Project import generated by Copybara.
GitOrigin-RevId: 1ace83fdce0cc370ff21e82c0d7a43a53a4594b1
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..9a74be1
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,3 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(LOCAL_PATH)/src/Android.mk
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..b1e3f5a
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,504 @@
+ GNU LESSER GENERAL PUBLIC LICENSE
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+
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..22df356
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,69 @@
+* update to libtool 1.3.3
+
+0.1.3 -> 0.2.0
+
+* added snd_pcm_loopback_block_mode to PCM loopback interface
+* fixups in header files (according to documentation)
+* version is now compatible with driver
+
+0.1.2 -> 0.1.3
+
+* added PCM loopback interface
+
+0.1.1 -> 0.1.2
+
+* bug fixes in open() functions
+
+0.1.0 -> 0.1.1
+
+* added more switch functions to control interface
+
+0.0.9 -> 0.1.0
+
+* renamed soundlib.h to asoundlib.h
+* renamed libraries from libsound to libasound
+* big API changes
+ - added switches interfaces
+* added RawMIDI API
+
+0.0.8 -> 0.0.9
+
+* Makefile and configure.in changes
+ - added check for alsa driver package
+ - added spec file for RPM
+
+0.0.7 -> 0.0.8
+
+* added LGPL notice to all source and header files
+
+0.0.6 -> 0.0.7
+
+* added snd_cards_name function
+
+0.0.5 -> 0.0.6
+
+* fixed SND_PCM_OPEN constants
+
+0.0.4 -> 0.0.5
+
+* added snd_cards_mask function
+* added info functions for pcm playback/record in control interface
+* fixed Makefile bugs for shared library (added -fPIC)
+
+0.0.3 -> 0.0.4
+
+* changed COPYING policy from GPL to LGPL
+* fixed bug in snd_mixer_channel_read & write
+* added mixer exact support
+* added pcm time mode support
+* 'make install' is now possible
+
+0.0.2 -> 0.0.3
+
+* corrected documentation
+
+0.0.1 -> 0.0.2
+
+* added file COPYING
+* added documentation in sgml + plan.txt
+* minor changes in API for MIXER & PCM
diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..47086e3
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,119 @@
+
+ ALSA library installation
+ =========================
+
+Installation from tarball
+-------------------------
+
+For installation you can use these commands:
+
+ ./configure
+ make install
+
+
+Compilation from HG sources
+---------------------------
+
+You need also GNU packages automake and libtool installed in your system
+to compile HG (Mercurial) sources of alsa-lib package.
+
+For compilation you can use these commands:
+
+ libtoolize --force --copy --automake
+ aclocal
+ autoheader
+ automake --foreign --copy --add-missing
+ autoconf
+ ./configure
+ make
+
+The included hgcompile script does this job for you.
+
+Note: Some automake packages have missing aclocal program. Use newer version
+ in the case.
+
+
+Compilation of static library
+-----------------------------
+
+If you would like to use the static ALSA library, you need to use these
+options for the configure script:
+
+ ./configure --enable-shared=no --enable-static=yes
+
+Unfortunately, due to bug in the libtool script, the shared and static
+library cannot be built together.
+
+
+Partial Builds
+--------------
+
+You can choose the core components to build via --enable-* or --disable-*
+configure option for reducing the size of libasound. The selectable
+components are: pcm, mixer, rawmidi, hwdep, seq and instr.
+For example, --disable-rawmidi will prevent to build the stuff related
+with raw MIDI. As default, all components are enabled.
+
+The PCM plugins to build can be selected via --with-pcm-plugins
+configure option. Multiple plugins can be passed by separation with
+comma. For example, to select _only_ rate and linear plugins (and
+disable other plugins), pass
+ --with-pcm-plugins=rate,linear
+Note that "hw" plugin is always enabled.
+Passing "all" will select all available plugins (which is the default
+behavior).
+
+When you select "plug" plugin, copy and linear plugins will be
+automatically selected, too. That is, the linear-format and
+access-type conversions are always available with plug layer.
+The other conversions of plug (channel shrink/expansion, rate,
+non-linear and float conversions) are enabled when the corresponding
+plugin is selected, too.
+
+
+Configuration for cross-compilation
+-----------------------------------
+
+When you would like to cross-compile ALSA library (e.g. compile on
+i686 host but for arm architecture) you will need to call ./configure
+script with additional parameters:
+
+CC=arm-linux-gcc ./configure --host=arm-linux
+
+You can omit setting 'CC' variable and cross-compiler will be guessed too.
+
+So simplest version would be:
+
+./configure --host=arm-linux
+
+For platform names in the form cpu-vendor-os (or aliases for this)
+you should look in 'config.guess' script. Target and all paths
+used here are only examples and should not be directly applicable to
+your system.
+
+Configuration for machines without FPU
+--------------------------------------
+
+If your machine does not have FP unit, you should use '--with-softfloat'
+option. This option disables usage of float numbers in PCM route plugin.
+ALSA could then leave much more CPU cycles for your applications, but you
+could still need some floating point emulator.
+
+Jack plugin
+-----------
+
+JACK plugin is moved to alsa-plugins package.
+
+Trouble Shooting
+----------------
+
+* Install path on Fedora Core 3
+
+ FC3 installs its system ALSA library to /lib instead of /usr/lib.
+ Specify --libdir=/lib to configure to overwrite it with the new library,
+ or run like
+
+ # ln -sf /usr/lib/libasound.so.2.0.0 /lib/libasound.so.2.0.0
+
+ to make symlink to the new path.
+ Note that /lib might be /lib64 on 64bit architecture.
diff --git a/MEMORY-LEAK b/MEMORY-LEAK
new file mode 100644
index 0000000..d9677d8
--- /dev/null
+++ b/MEMORY-LEAK
@@ -0,0 +1,13 @@
+
+
+ Memory leaks - really?
+ ----------------------
+
+Note that some developers are thinking that the ALSA library has some memory
+leaks. Sure, it can be truth, but before contacting us, please, be sure that
+these leaks are not forced.
+
+The biggest reported leak is that the global configuration is cached for
+next usage. If you do not want this feature, simply, call
+snd_config_update_free_global() after all snd_*_open*() calls. This function
+will free the cache.
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..52f7654
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,37 @@
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+
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+SUBDIRS += aserver
+endif
+if BUILD_MIXER
+if BUILD_ALISP
+SUBDIRS += alsalisp
+endif
+endif
+SUBDIRS += test utils
+EXTRA_DIST=ChangeLog INSTALL TODO NOTES configure gitcompile libtool \
+ depcomp version MEMORY-LEAK m4/attributes.m4
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+
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+ $(MAKE) -C doc doc
diff --git a/Makefile.in b/Makefile.in
new file mode 100644
index 0000000..799fb94
--- /dev/null
+++ b/Makefile.in
@@ -0,0 +1,797 @@
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diff --git a/NOTES b/NOTES
new file mode 100644
index 0000000..b318d1f
--- /dev/null
+++ b/NOTES
@@ -0,0 +1,56 @@
+Old versus new PCM API (values returned using indirect pointers)
+================================================================
+
+From the binary compatibility view, there is no change. For compilation,
+1.0 ALSA applications do not need any change. The older applications must
+use this include sequence:
+
+#define ALSA_PCM_OLD_HW_PARAMS_API
+#define ALSA_PCM_OLD_SW_PARAMS_API
+#include <alsa/asoundlib.h>
+
+If you use already the new API, you may remove old defines selecting
+this API, because they are no longer used:
+
+#define ALSA_PCM_NEW_HW_PARAMS_API
+#define ALSA_PCM_NEW_SW_PARAMS_API
+
+
+Verbose Error Messages
+======================
+
+Since version 1.0.8, assert() for some non-fatal errors are removed
+and error messages are no longer shown to stderr as default. Instead,
+the error messages appear only when the environment variable
+LIBASOUND_DEBUG is set (to a non-empty value).
+
+When LIBASOUND_DEBUG=1 is set, the errors in hw_params configuration
+will be dumped to stderr. Note that this will show even the non-fatal
+errors of plug layer (trial-and-error of parameters).
+
+This feature is disabled when --with-debug=no is passed to configure,
+i.e. no strict checking is done in alsa-lib.
+
+In addition, when --enable-debug-assert configure option is given and
+when LIBASOUND_DEBUG_ASSERT=1 is set, the default error message
+handler can call assert() to catch with a debugger. This feature was
+formerly activated via LIBASOUND_DEBUG=2.
+
+
+Blocking Open Mode
+==================
+
+The default behavior of blocking at snd_pcm_open is changed to
+non-blocking since version 1.0.11. That is, snd_pcm_open() returns
+-EAGAIN immediately when the device is in use and cannot be opened,
+while the function was blocked in the former version. This influences
+only on the opening behavior. The behavior of the further access,
+read/write, poll or commit, are not changed. They follow the extra
+flag argument of snd_pcm_open() as well as the former version.
+
+For taking back the compatible behavior of open blocking mode, set
+
+ defaults.pcm.nonblock 0
+
+in /etc/asound.conf or ~/.asoundrc file.
+
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..f4a99ff
--- /dev/null
+++ b/TODO
@@ -0,0 +1,4 @@
+H add serious PCM test application to test various period/buffer size
+ combinations to determine possible problems in the lowlevel drivers
+M think about xrun recovery helpers
+L move OSS emulation to user space? (pseudo device driver and daemon)
diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..35486a0
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,24 @@
+AC_DEFUN([SAVE_LIBRARY_VERSION], [
+AC_MSG_CHECKING(for library version)
+SND_LIB_VERSION=$VERSION
+echo $VERSION > $srcdir/version
+AC_DEFINE_UNQUOTED(VERSION, "$SND_LIB_VERSION", [sound library version string])
+AC_SUBST(SND_LIB_VERSION)
+SND_LIB_MAJOR=`echo $VERSION | cut -d . -f 1`
+AC_SUBST(SND_LIB_MAJOR)
+SND_LIB_MINOR=`echo $VERSION | cut -d . -f 2`
+AC_SUBST(SND_LIB_MINOR)
+SND_LIB_SUBMINOR=`echo $VERSION | cut -d . -f 3 | sed -e 's/^\([[^[:alpha:]]]*\)\(.*\)$/\1/g'`
+AC_SUBST(SND_LIB_SUBMINOR)
+SND_LIB_EXTRASTR=`echo $VERSION | cut -d . -f 3 | sed -e 's/^\([[^[:alpha:]]]*\)\([[[:alpha:]]]*\)\([[[:digit:]]]*\)\(.*\)$/\2/g'`
+SND_LIB_EXTRAVER=`echo $VERSION | cut -d . -f 3 | sed -e 's/^\([[^[:alpha:]]]*\)\([[[:alpha:]]]*\)\([[[:digit:]]]*\)\(.*\)$/\3/g'`
+case "$SND_LIB_EXTRASTR" in
+ pre) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 00000` ;;
+ alpha) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 10000` ;;
+ beta) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 20000` ;;
+ rc) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 100000` ;;
+ *) SND_LIB_EXTRAVER=1000000 ;;
+esac
+AC_MSG_RESULT(major $SND_LIB_MAJOR minor $SND_LIB_MINOR subminor $SND_LIB_SUBMINOR extrastr $SND_LIB_EXTRASTR extraver $SND_LIB_EXTRAVER)
+AC_SUBST(SND_LIB_EXTRAVER)
+])
diff --git a/aclocal.m4 b/aclocal.m4
new file mode 100644
index 0000000..47a787d
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,9667 @@
+# generated automatically by aclocal 1.12.2 -*- Autoconf -*-
+
+# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+m4_ifndef([AC_AUTOCONF_VERSION],
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+To do so, use the procedure documented by the package, typically 'autoreconf'.])])
+
+# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+# 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# Written by Gordon Matzigkeit, 1996
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+m4_define([_LT_COPYING], [dnl
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+# 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# Written by Gordon Matzigkeit, 1996
+#
+# This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING. If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
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+dnl Parse OPTIONS
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+
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+
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+
+
+# _LT_CC_BASENAME(CC)
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+# It is okay to use these file commands and assume they have been set
+# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'.
+m4_defun([_LT_FILEUTILS_DEFAULTS],
+[: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+])# _LT_FILEUTILS_DEFAULTS
+
+
+# _LT_SETUP
+# ---------
+m4_defun([_LT_SETUP],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
+
+_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl
+dnl
+_LT_DECL([], [host_alias], [0], [The host system])dnl
+_LT_DECL([], [host], [0])dnl
+_LT_DECL([], [host_os], [0])dnl
+dnl
+_LT_DECL([], [build_alias], [0], [The build system])dnl
+_LT_DECL([], [build], [0])dnl
+_LT_DECL([], [build_os], [0])dnl
+dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+dnl
+AC_REQUIRE([AC_PROG_LN_S])dnl
+test -z "$LN_S" && LN_S="ln -s"
+_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl
+dnl
+AC_REQUIRE([LT_CMD_MAX_LEN])dnl
+_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl
+_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl
+dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl
+m4_require([_LT_CMD_RELOAD])dnl
+m4_require([_LT_CHECK_MAGIC_METHOD])dnl
+m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl
+m4_require([_LT_CMD_OLD_ARCHIVE])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_WITH_SYSROOT])dnl
+
+_LT_CONFIG_LIBTOOL_INIT([
+# See if we are running on zsh, and set the options which allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+fi
+])
+if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+fi
+
+_LT_CHECK_OBJDIR
+
+m4_require([_LT_TAG_COMPILER])dnl
+
+case $host_os in
+aix3*)
+ # AIX sometimes has problems with the GCC collect2 program. For some
+ # reason, if we set the COLLECT_NAMES environment variable, the problems
+ # vanish in a puff of smoke.
+ if test "X${COLLECT_NAMES+set}" != Xset; then
+ COLLECT_NAMES=
+ export COLLECT_NAMES
+ fi
+ ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+_LT_CC_BASENAME([$compiler])
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+ if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+ _LT_PATH_MAGIC
+ fi
+ ;;
+esac
+
+# Use C for the default configuration in the libtool script
+LT_SUPPORTED_TAG([CC])
+_LT_LANG_C_CONFIG
+_LT_LANG_DEFAULT_CONFIG
+_LT_CONFIG_COMMANDS
+])# _LT_SETUP
+
+
+# _LT_PREPARE_SED_QUOTE_VARS
+# --------------------------
+# Define a few sed substitution that help us do robust quoting.
+m4_defun([_LT_PREPARE_SED_QUOTE_VARS],
+[# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\([["`$\\]]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\([["`\\]]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+])
+
+# _LT_PROG_LTMAIN
+# ---------------
+# Note that this code is called both from `configure', and `config.status'
+# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably,
+# `config.status' has no value for ac_aux_dir unless we are using Automake,
+# so we pass a copy along to make sure it has a sensible value anyway.
+m4_defun([_LT_PROG_LTMAIN],
+[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl
+_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir'])
+ltmain="$ac_aux_dir/ltmain.sh"
+])# _LT_PROG_LTMAIN
+
+
+
+# So that we can recreate a full libtool script including additional
+# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS
+# in macros and then make a single call at the end using the `libtool'
+# label.
+
+
+# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS])
+# ----------------------------------------
+# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL_INIT],
+[m4_ifval([$1],
+ [m4_append([_LT_OUTPUT_LIBTOOL_INIT],
+ [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_INIT])
+
+
+# _LT_CONFIG_LIBTOOL([COMMANDS])
+# ------------------------------
+# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later.
+m4_define([_LT_CONFIG_LIBTOOL],
+[m4_ifval([$1],
+ [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS],
+ [$1
+])])])
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS])
+
+
+# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS])
+# -----------------------------------------------------
+m4_defun([_LT_CONFIG_SAVE_COMMANDS],
+[_LT_CONFIG_LIBTOOL([$1])
+_LT_CONFIG_LIBTOOL_INIT([$2])
+])
+
+
+# _LT_FORMAT_COMMENT([COMMENT])
+# -----------------------------
+# Add leading comment marks to the start of each line, and a trailing
+# full-stop to the whole comment if one is not present already.
+m4_define([_LT_FORMAT_COMMENT],
+[m4_ifval([$1], [
+m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])],
+ [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.])
+)])
+
+
+
+
+
+# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?])
+# -------------------------------------------------------------------
+# CONFIGNAME is the name given to the value in the libtool script.
+# VARNAME is the (base) name used in the configure script.
+# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
+# VARNAME. Any other value will be used directly.
+m4_define([_LT_DECL],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
+ [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
+ [m4_ifval([$1], [$1], [$2])])
+ lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
+ m4_ifval([$4],
+ [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])])
+ lt_dict_add_subkey([lt_decl_dict], [$2],
+ [tagged?], [m4_ifval([$5], [yes], [no])])])
+])
+
+
+# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION])
+# --------------------------------------------------------
+m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])])
+
+
+# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_tag_varnames],
+[_lt_decl_filter([tagged?], [yes], $@)])
+
+
+# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..])
+# ---------------------------------------------------------
+m4_define([_lt_decl_filter],
+[m4_case([$#],
+ [0], [m4_fatal([$0: too few arguments: $#])],
+ [1], [m4_fatal([$0: too few arguments: $#: $1])],
+ [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)],
+ [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)],
+ [lt_dict_filter([lt_decl_dict], $@)])[]dnl
+])
+
+
+# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...])
+# --------------------------------------------------
+m4_define([lt_decl_quote_varnames],
+[_lt_decl_filter([value], [1], $@)])
+
+
+# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_dquote_varnames],
+[_lt_decl_filter([value], [2], $@)])
+
+
+# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
+# ---------------------------------------------------
+m4_define([lt_decl_varnames_tagged],
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+ m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+ m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
+
+
+# lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
+# ------------------------------------------------
+m4_define([lt_decl_all_varnames],
+[_$0(m4_quote(m4_default([$1], [[, ]])),
+ m4_if([$2], [],
+ m4_quote(lt_decl_varnames),
+ m4_quote(m4_shift($@))))[]dnl
+])
+m4_define([_lt_decl_all_varnames],
+[lt_join($@, lt_decl_varnames_tagged([$1],
+ lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl
+])
+
+
+# _LT_CONFIG_STATUS_DECLARE([VARNAME])
+# ------------------------------------
+# Quote a variable value, and forward it to `config.status' so that its
+# declaration there will have the same value as in `configure'. VARNAME
+# must have a single quote delimited value for this to work.
+m4_define([_LT_CONFIG_STATUS_DECLARE],
+[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
+
+
+# _LT_CONFIG_STATUS_DECLARATIONS
+# ------------------------------
+# We delimit libtool config variables with single quotes, so when
+# we write them to config.status, we have to be sure to quote all
+# embedded single quotes properly. In configure, this macro expands
+# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
+#
+# <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
+m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
+ [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAGS
+# ----------------
+# Output comment and list of tags supported by the script
+m4_defun([_LT_LIBTOOL_TAGS],
+[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
+available_tags="_LT_TAGS"dnl
+])
+
+
+# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
+# -----------------------------------
+# Extract the dictionary values for VARNAME (optionally with TAG) and
+# expand to a commented shell variable setting:
+#
+# # Some comment about what VAR is for.
+# visible_name=$lt_internal_name
+m4_define([_LT_LIBTOOL_DECLARE],
+[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
+ [description])))[]dnl
+m4_pushdef([_libtool_name],
+ m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
+m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
+ [0], [_libtool_name=[$]$1],
+ [1], [_libtool_name=$lt_[]$1],
+ [2], [_libtool_name=$lt_[]$1],
+ [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl
+m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl
+])
+
+
+# _LT_LIBTOOL_CONFIG_VARS
+# -----------------------
+# Produce commented declarations of non-tagged libtool config variables
+# suitable for insertion in the LIBTOOL CONFIG section of the `libtool'
+# script. Tagged libtool config variables (even for the LIBTOOL CONFIG
+# section) are produced by _LT_LIBTOOL_TAG_VARS.
+m4_defun([_LT_LIBTOOL_CONFIG_VARS],
+[m4_foreach([_lt_var],
+ m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)),
+ [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])])
+
+
+# _LT_LIBTOOL_TAG_VARS(TAG)
+# -------------------------
+m4_define([_LT_LIBTOOL_TAG_VARS],
+[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames),
+ [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])])
+
+
+# _LT_TAGVAR(VARNAME, [TAGNAME])
+# ------------------------------
+m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
+
+
+# _LT_CONFIG_COMMANDS
+# -------------------
+# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of
+# variables for single and double quote escaping we saved from calls
+# to _LT_DECL, we can put quote escaped variables declarations
+# into `config.status', and then the shell code to quote escape them in
+# for loops in `config.status'. Finally, any additional code accumulated
+# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
+m4_defun([_LT_CONFIG_COMMANDS],
+[AC_PROVIDE_IFELSE([LT_OUTPUT],
+ dnl If the libtool generation code has been placed in $CONFIG_LT,
+ dnl instead of duplicating it all over again into config.status,
+ dnl then we will have config.status run $CONFIG_LT later, so it
+ dnl needs to know what name is stored there:
+ [AC_CONFIG_COMMANDS([libtool],
+ [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
+ dnl If the libtool generation code is destined for config.status,
+ dnl expand the accumulated commands and init code now:
+ [AC_CONFIG_COMMANDS([libtool],
+ [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
+])#_LT_CONFIG_COMMANDS
+
+
+# Initialize.
+m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
+[
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+_LT_CONFIG_STATUS_DECLARATIONS
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+ eval 'cat <<_LTECHO_EOF
+\$[]1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_quote_varnames); do
+ case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+ *[[\\\\\\\`\\"\\\$]]*)
+ eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
+ ;;
+ *)
+ eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+ ;;
+ esac
+done
+
+# Double-quote double-evaled strings.
+for var in lt_decl_all_varnames([[ \
+]], lt_decl_dquote_varnames); do
+ case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+ *[[\\\\\\\`\\"\\\$]]*)
+ eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
+ ;;
+ *)
+ eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+ ;;
+ esac
+done
+
+_LT_OUTPUT_LIBTOOL_INIT
+])
+
+# _LT_GENERATED_FILE_INIT(FILE, [COMMENT])
+# ------------------------------------
+# Generate a child script FILE with all initialization necessary to
+# reuse the environment learned by the parent script, and make the
+# file executable. If COMMENT is supplied, it is inserted after the
+# `#!' sequence but before initialization text begins. After this
+# macro, additional text can be appended to FILE to form the body of
+# the child script. The macro ends with non-zero status if the
+# file could not be fully written (such as if the disk is full).
+m4_ifdef([AS_INIT_GENERATED],
+[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])],
+[m4_defun([_LT_GENERATED_FILE_INIT],
+[m4_require([AS_PREPARE])]dnl
+[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl
+[lt_write_fail=0
+cat >$1 <<_ASEOF || lt_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+$2
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$1 <<\_ASEOF || lt_write_fail=1
+AS_SHELL_SANITIZE
+_AS_PREPARE
+exec AS_MESSAGE_FD>&1
+_ASEOF
+test $lt_write_fail = 0 && chmod +x $1[]dnl
+m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT
+
+# LT_OUTPUT
+# ---------
+# This macro allows early generation of the libtool script (before
+# AC_OUTPUT is called), incase it is used in configure for compilation
+# tests.
+AC_DEFUN([LT_OUTPUT],
+[: ${CONFIG_LT=./config.lt}
+AC_MSG_NOTICE([creating $CONFIG_LT])
+_LT_GENERATED_FILE_INIT(["$CONFIG_LT"],
+[# Run this file to recreate a libtool stub with the current configuration.])
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+lt_cl_silent=false
+exec AS_MESSAGE_LOG_FD>>config.log
+{
+ echo
+ AS_BOX([Running $as_me.])
+} >&AS_MESSAGE_LOG_FD
+
+lt_cl_help="\
+\`$as_me' creates a local libtool stub from the current configuration,
+for use in further configure time tests before the real libtool is
+generated.
+
+Usage: $[0] [[OPTIONS]]
+
+ -h, --help print this help, then exit
+ -V, --version print version number, then exit
+ -q, --quiet do not print progress messages
+ -d, --debug don't remove temporary files
+
+Report bugs to <bug-libtool@gnu.org>."
+
+lt_cl_version="\
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+configured by $[0], generated by m4_PACKAGE_STRING.
+
+Copyright (C) 2011 Free Software Foundation, Inc.
+This config.lt script is free software; the Free Software Foundation
+gives unlimited permision to copy, distribute and modify it."
+
+while test $[#] != 0
+do
+ case $[1] in
+ --version | --v* | -V )
+ echo "$lt_cl_version"; exit 0 ;;
+ --help | --h* | -h )
+ echo "$lt_cl_help"; exit 0 ;;
+ --debug | --d* | -d )
+ debug=: ;;
+ --quiet | --q* | --silent | --s* | -q )
+ lt_cl_silent=: ;;
+
+ -*) AC_MSG_ERROR([unrecognized option: $[1]
+Try \`$[0] --help' for more information.]) ;;
+
+ *) AC_MSG_ERROR([unrecognized argument: $[1]
+Try \`$[0] --help' for more information.]) ;;
+ esac
+ shift
+done
+
+if $lt_cl_silent; then
+ exec AS_MESSAGE_FD>/dev/null
+fi
+_LTEOF
+
+cat >>"$CONFIG_LT" <<_LTEOF
+_LT_OUTPUT_LIBTOOL_COMMANDS_INIT
+_LTEOF
+
+cat >>"$CONFIG_LT" <<\_LTEOF
+AC_MSG_NOTICE([creating $ofile])
+_LT_OUTPUT_LIBTOOL_COMMANDS
+AS_EXIT(0)
+_LTEOF
+chmod +x "$CONFIG_LT"
+
+# configure is writing to config.log, but config.lt does its own redirection,
+# appending to config.log, which fails on DOS, as config.log is still kept
+# open by configure. Here we exec the FD to /dev/null, effectively closing
+# config.log, so it can be properly (re)opened and appended to by config.lt.
+lt_cl_success=:
+test "$silent" = yes &&
+ lt_config_lt_args="$lt_config_lt_args --quiet"
+exec AS_MESSAGE_LOG_FD>/dev/null
+$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false
+exec AS_MESSAGE_LOG_FD>>config.log
+$lt_cl_success || AS_EXIT(1)
+])# LT_OUTPUT
+
+
+# _LT_CONFIG(TAG)
+# ---------------
+# If TAG is the built-in tag, create an initial libtool script with a
+# default configuration from the untagged config vars. Otherwise add code
+# to config.status for appending the configuration named by TAG from the
+# matching tagged config vars.
+m4_defun([_LT_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_CONFIG_SAVE_COMMANDS([
+ m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl
+ m4_if(_LT_TAG, [C], [
+ # See if we are running on zsh, and set the options which allow our
+ # commands through without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+
+ cfgfile="${ofile}T"
+ trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+ $RM "$cfgfile"
+
+ cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+
+# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+_LT_COPYING
+_LT_LIBTOOL_TAGS
+
+# ### BEGIN LIBTOOL CONFIG
+_LT_LIBTOOL_CONFIG_VARS
+_LT_LIBTOOL_TAG_VARS
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+ case $host_os in
+ aix3*)
+ cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program. For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+ COLLECT_NAMES=
+ export COLLECT_NAMES
+fi
+_LT_EOF
+ ;;
+ esac
+
+ _LT_PROG_LTMAIN
+
+ # We use sed instead of cat because bash on DJGPP gets confused if
+ # if finds mixed CR/LF and LF-only lines. Since sed operates in
+ # text mode, it properly converts lines to CR/LF. This bash problem
+ # is reportedly fixed, but why not run on old versions too?
+ sed '$q' "$ltmain" >> "$cfgfile" \
+ || (rm -f "$cfgfile"; exit 1)
+
+ _LT_PROG_REPLACE_SHELLFNS
+
+ mv -f "$cfgfile" "$ofile" ||
+ (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+ chmod +x "$ofile"
+],
+[cat <<_LT_EOF >> "$ofile"
+
+dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
+dnl in a comment (ie after a #).
+# ### BEGIN LIBTOOL TAG CONFIG: $1
+_LT_LIBTOOL_TAG_VARS(_LT_TAG)
+# ### END LIBTOOL TAG CONFIG: $1
+_LT_EOF
+])dnl /m4_if
+],
+[m4_if([$1], [], [
+ PACKAGE='$PACKAGE'
+ VERSION='$VERSION'
+ TIMESTAMP='$TIMESTAMP'
+ RM='$RM'
+ ofile='$ofile'], [])
+])dnl /_LT_CONFIG_SAVE_COMMANDS
+])# _LT_CONFIG
+
+
+# LT_SUPPORTED_TAG(TAG)
+# ---------------------
+# Trace this macro to discover what tags are supported by the libtool
+# --tag option, using:
+# autoconf --trace 'LT_SUPPORTED_TAG:$1'
+AC_DEFUN([LT_SUPPORTED_TAG], [])
+
+
+# C support is built-in for now
+m4_define([_LT_LANG_C_enabled], [])
+m4_define([_LT_TAGS], [])
+
+
+# LT_LANG(LANG)
+# -------------
+# Enable libtool support for the given language if not already enabled.
+AC_DEFUN([LT_LANG],
+[AC_BEFORE([$0], [LT_OUTPUT])dnl
+m4_case([$1],
+ [C], [_LT_LANG(C)],
+ [C++], [_LT_LANG(CXX)],
+ [Go], [_LT_LANG(GO)],
+ [Java], [_LT_LANG(GCJ)],
+ [Fortran 77], [_LT_LANG(F77)],
+ [Fortran], [_LT_LANG(FC)],
+ [Windows Resource], [_LT_LANG(RC)],
+ [m4_ifdef([_LT_LANG_]$1[_CONFIG],
+ [_LT_LANG($1)],
+ [m4_fatal([$0: unsupported language: "$1"])])])dnl
+])# LT_LANG
+
+
+# _LT_LANG(LANGNAME)
+# ------------------
+m4_defun([_LT_LANG],
+[m4_ifdef([_LT_LANG_]$1[_enabled], [],
+ [LT_SUPPORTED_TAG([$1])dnl
+ m4_append([_LT_TAGS], [$1 ])dnl
+ m4_define([_LT_LANG_]$1[_enabled], [])dnl
+ _LT_LANG_$1_CONFIG($1)])dnl
+])# _LT_LANG
+
+
+m4_ifndef([AC_PROG_GO], [
+# NOTE: This macro has been submitted for inclusion into #
+# GNU Autoconf as AC_PROG_GO. When it is available in #
+# a released version of Autoconf we should remove this #
+# macro and use it instead. #
+m4_defun([AC_PROG_GO],
+[AC_LANG_PUSH(Go)dnl
+AC_ARG_VAR([GOC], [Go compiler command])dnl
+AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl
+_AC_ARG_VAR_LDFLAGS()dnl
+AC_CHECK_TOOL(GOC, gccgo)
+if test -z "$GOC"; then
+ if test -n "$ac_tool_prefix"; then
+ AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo])
+ fi
+fi
+if test -z "$GOC"; then
+ AC_CHECK_PROG(GOC, gccgo, gccgo, false)
+fi
+])#m4_defun
+])#m4_ifndef
+
+
+# _LT_LANG_DEFAULT_CONFIG
+# -----------------------
+m4_defun([_LT_LANG_DEFAULT_CONFIG],
+[AC_PROVIDE_IFELSE([AC_PROG_CXX],
+ [LT_LANG(CXX)],
+ [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_F77],
+ [LT_LANG(F77)],
+ [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])])
+
+AC_PROVIDE_IFELSE([AC_PROG_FC],
+ [LT_LANG(FC)],
+ [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])])
+
+dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal
+dnl pulling things in needlessly.
+AC_PROVIDE_IFELSE([AC_PROG_GCJ],
+ [LT_LANG(GCJ)],
+ [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
+ [LT_LANG(GCJ)],
+ [AC_PROVIDE_IFELSE([LT_PROG_GCJ],
+ [LT_LANG(GCJ)],
+ [m4_ifdef([AC_PROG_GCJ],
+ [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])])
+ m4_ifdef([A][M_PROG_GCJ],
+ [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])])
+ m4_ifdef([LT_PROG_GCJ],
+ [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])])
+
+AC_PROVIDE_IFELSE([AC_PROG_GO],
+ [LT_LANG(GO)],
+ [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])])
+
+AC_PROVIDE_IFELSE([LT_PROG_RC],
+ [LT_LANG(RC)],
+ [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])])
+])# _LT_LANG_DEFAULT_CONFIG
+
+# Obsolete macros:
+AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)])
+AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)])
+AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)])
+AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)])
+AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_CXX], [])
+dnl AC_DEFUN([AC_LIBTOOL_F77], [])
+dnl AC_DEFUN([AC_LIBTOOL_FC], [])
+dnl AC_DEFUN([AC_LIBTOOL_GCJ], [])
+dnl AC_DEFUN([AC_LIBTOOL_RC], [])
+
+
+# _LT_TAG_COMPILER
+# ----------------
+m4_defun([_LT_TAG_COMPILER],
+[AC_REQUIRE([AC_PROG_CC])dnl
+
+_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl
+_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl
+_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl
+_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+])# _LT_TAG_COMPILER
+
+
+# _LT_COMPILER_BOILERPLATE
+# ------------------------
+# Check for compiler boilerplate output or warnings with
+# the simple compiler test code.
+m4_defun([_LT_COMPILER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+])# _LT_COMPILER_BOILERPLATE
+
+
+# _LT_LINKER_BOILERPLATE
+# ----------------------
+# Check for linker boilerplate output or warnings with
+# the simple link test code.
+m4_defun([_LT_LINKER_BOILERPLATE],
+[m4_require([_LT_DECL_SED])dnl
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+])# _LT_LINKER_BOILERPLATE
+
+# _LT_REQUIRED_DARWIN_CHECKS
+# -------------------------
+m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
+ case $host_os in
+ rhapsody* | darwin*)
+ AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:])
+ AC_CHECK_TOOL([NMEDIT], [nmedit], [:])
+ AC_CHECK_TOOL([LIPO], [lipo], [:])
+ AC_CHECK_TOOL([OTOOL], [otool], [:])
+ AC_CHECK_TOOL([OTOOL64], [otool64], [:])
+ _LT_DECL([], [DSYMUTIL], [1],
+ [Tool to manipulate archived DWARF debug symbol files on Mac OS X])
+ _LT_DECL([], [NMEDIT], [1],
+ [Tool to change global to local symbols on Mac OS X])
+ _LT_DECL([], [LIPO], [1],
+ [Tool to manipulate fat objects and archives on Mac OS X])
+ _LT_DECL([], [OTOOL], [1],
+ [ldd/readelf like tool for Mach-O binaries on Mac OS X])
+ _LT_DECL([], [OTOOL64], [1],
+ [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4])
+
+ AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod],
+ [lt_cv_apple_cc_single_mod=no
+ if test -z "${LT_MULTI_MODULE}"; then
+ # By default we will add the -single_module flag. You can override
+ # by either setting the environment variable LT_MULTI_MODULE
+ # non-empty at configure time, or by adding -multi_module to the
+ # link flags.
+ rm -rf libconftest.dylib*
+ echo "int foo(void){return 1;}" > conftest.c
+ echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD
+ $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+ _lt_result=$?
+ # If there is a non-empty error log, and "single_module"
+ # appears in it, assume the flag caused a linker warning
+ if test -s conftest.err && $GREP single_module conftest.err; then
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ # Otherwise, if the output was created with a 0 exit code from
+ # the compiler, it worked.
+ elif test -f libconftest.dylib && test $_lt_result -eq 0; then
+ lt_cv_apple_cc_single_mod=yes
+ else
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ fi
+ rm -rf libconftest.dylib*
+ rm -f conftest.*
+ fi])
+
+ AC_CACHE_CHECK([for -exported_symbols_list linker flag],
+ [lt_cv_ld_exported_symbols_list],
+ [lt_cv_ld_exported_symbols_list=no
+ save_LDFLAGS=$LDFLAGS
+ echo "_main" > conftest.sym
+ LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+ [lt_cv_ld_exported_symbols_list=yes],
+ [lt_cv_ld_exported_symbols_list=no])
+ LDFLAGS="$save_LDFLAGS"
+ ])
+
+ AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load],
+ [lt_cv_ld_force_load=no
+ cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+ echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
+ $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
+ echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
+ $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
+ echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
+ $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
+ cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+ echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD
+ $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+ _lt_result=$?
+ if test -s conftest.err && $GREP force_load conftest.err; then
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
+ lt_cv_ld_force_load=yes
+ else
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ fi
+ rm -f conftest.err libconftest.a conftest conftest.c
+ rm -rf conftest.dSYM
+ ])
+ case $host_os in
+ rhapsody* | darwin1.[[012]])
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+ darwin1.*)
+ _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+ darwin*) # darwin 5.x on
+ # if running on 10.5 or later, the deployment target defaults
+ # to the OS version, if on x86, and 10.4, the deployment
+ # target defaults to 10.4. Don't you love it?
+ case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+ 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+ 10.[[012]]*)
+ _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+ 10.*)
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+ esac
+ ;;
+ esac
+ if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+ _lt_dar_single_mod='$single_module'
+ fi
+ if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+ _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+ else
+ _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ fi
+ if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then
+ _lt_dsymutil='~$DSYMUTIL $lib || :'
+ else
+ _lt_dsymutil=
+ fi
+ ;;
+ esac
+])
+
+
+# _LT_DARWIN_LINKER_FEATURES([TAG])
+# ---------------------------------
+# Checks for linker and compiler features on darwin
+m4_defun([_LT_DARWIN_LINKER_FEATURES],
+[
+ m4_require([_LT_REQUIRED_DARWIN_CHECKS])
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_automatic, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+ if test "$lt_cv_ld_force_load" = "yes"; then
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+ m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes],
+ [FC], [_LT_TAGVAR(compiler_needs_object, $1)=yes])
+ else
+ _LT_TAGVAR(whole_archive_flag_spec, $1)=''
+ fi
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
+ case $cc_basename in
+ ifort*) _lt_dar_can_shared=yes ;;
+ *) _lt_dar_can_shared=$GCC ;;
+ esac
+ if test "$_lt_dar_can_shared" = "yes"; then
+ output_verbose_link_cmd=func_echo_all
+ _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+ m4_if([$1], [CXX],
+[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then
+ _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
+ _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
+ fi
+],[])
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+])
+
+# _LT_SYS_MODULE_PATH_AIX([TAGNAME])
+# ----------------------------------
+# Links a minimal program and checks the executable
+# for the system default hardcoded library path. In most cases,
+# this is /usr/lib:/lib, but when the MPI compilers are used
+# the location of the communication and MPI libs are included too.
+# If we don't find anything, use the default library path according
+# to the aix ld manual.
+# Store the results from the different compilers for each TAGNAME.
+# Allow to override them for all tags through lt_cv_aix_libpath.
+m4_defun([_LT_SYS_MODULE_PATH_AIX],
+[m4_require([_LT_DECL_SED])dnl
+if test "${lt_cv_aix_libpath+set}" = set; then
+ aix_libpath=$lt_cv_aix_libpath
+else
+ AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM],[
+ lt_aix_libpath_sed='[
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\([^ ]*\) *$/\1/
+ p
+ }
+ }]'
+ _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+ # Check for a 64-bit object if we didn't find anything.
+ if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+ _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+ fi],[])
+ if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then
+ _LT_TAGVAR([lt_cv_aix_libpath_], [$1])="/usr/lib:/lib"
+ fi
+ ])
+ aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])
+fi
+])# _LT_SYS_MODULE_PATH_AIX
+
+
+# _LT_SHELL_INIT(ARG)
+# -------------------
+m4_define([_LT_SHELL_INIT],
+[m4_divert_text([M4SH-INIT], [$1
+])])# _LT_SHELL_INIT
+
+
+
+# _LT_PROG_ECHO_BACKSLASH
+# -----------------------
+# Find how we can fake an echo command that does not interpret backslash.
+# In particular, with Autoconf 2.60 or later we add some code to the start
+# of the generated configure script which will find a shell with a builtin
+# printf (which we can use as an echo command).
+m4_defun([_LT_PROG_ECHO_BACKSLASH],
+[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+AC_MSG_CHECKING([how to print strings])
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+ test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+ ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+ ECHO='printf %s\n'
+else
+ # Use this function as a fallback that always works.
+ func_fallback_echo ()
+ {
+ eval 'cat <<_LTECHO_EOF
+$[]1
+_LTECHO_EOF'
+ }
+ ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+ $ECHO "$*"
+}
+
+case "$ECHO" in
+ printf*) AC_MSG_RESULT([printf]) ;;
+ print*) AC_MSG_RESULT([print -r]) ;;
+ *) AC_MSG_RESULT([cat]) ;;
+esac
+
+m4_ifdef([_AS_DETECT_SUGGESTED],
+[_AS_DETECT_SUGGESTED([
+ test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || (
+ ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+ PATH=/empty FPATH=/empty; export PATH FPATH
+ test "X`printf %s $ECHO`" = "X$ECHO" \
+ || test "X`print -r -- $ECHO`" = "X$ECHO" )])])
+
+_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts])
+_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes])
+])# _LT_PROG_ECHO_BACKSLASH
+
+
+# _LT_WITH_SYSROOT
+# ----------------
+AC_DEFUN([_LT_WITH_SYSROOT],
+[AC_MSG_CHECKING([for sysroot])
+AC_ARG_WITH([sysroot],
+[ --with-sysroot[=DIR] Search for dependent libraries within DIR
+ (or the compiler's sysroot if not specified).],
+[], [with_sysroot=no])
+
+dnl lt_sysroot will always be passed unquoted. We quote it here
+dnl in case the user passed a directory name.
+lt_sysroot=
+case ${with_sysroot} in #(
+ yes)
+ if test "$GCC" = yes; then
+ lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+ fi
+ ;; #(
+ /*)
+ lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
+ ;; #(
+ no|'')
+ ;; #(
+ *)
+ AC_MSG_RESULT([${with_sysroot}])
+ AC_MSG_ERROR([The sysroot must be an absolute path.])
+ ;;
+esac
+
+ AC_MSG_RESULT([${lt_sysroot:-no}])
+_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl
+[dependent libraries, and in which our libraries should be installed.])])
+
+# _LT_ENABLE_LOCK
+# ---------------
+m4_defun([_LT_ENABLE_LOCK],
+[AC_ARG_ENABLE([libtool-lock],
+ [AS_HELP_STRING([--disable-libtool-lock],
+ [avoid locking (might break parallel builds)])])
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *ELF-32*)
+ HPUX_IA64_MODE="32"
+ ;;
+ *ELF-64*)
+ HPUX_IA64_MODE="64"
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+*-*-irix6*)
+ # Find out which ABI we are using.
+ echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -melf32bsmip"
+ ;;
+ *N32*)
+ LD="${LD-ld} -melf32bmipn32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -melf64bmip"
+ ;;
+ esac
+ else
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -32"
+ ;;
+ *N32*)
+ LD="${LD-ld} -n32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -64"
+ ;;
+ esac
+ fi
+ fi
+ rm -rf conftest*
+ ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ case `/usr/bin/file conftest.o` in
+ *32-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_i386_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_i386"
+ ;;
+ ppc64-*linux*|powerpc64-*linux*)
+ LD="${LD-ld} -m elf32ppclinux"
+ ;;
+ s390x-*linux*)
+ LD="${LD-ld} -m elf_s390"
+ ;;
+ sparc64-*linux*)
+ LD="${LD-ld} -m elf32_sparc"
+ ;;
+ esac
+ ;;
+ *64-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_x86_64_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_x86_64"
+ ;;
+ ppc*-*linux*|powerpc*-*linux*)
+ LD="${LD-ld} -m elf64ppc"
+ ;;
+ s390*-*linux*|s390*-*tpf*)
+ LD="${LD-ld} -m elf64_s390"
+ ;;
+ sparc*-*linux*)
+ LD="${LD-ld} -m elf64_sparc"
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+
+*-*-sco3.2v5*)
+ # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -belf"
+ AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
+ [AC_LANG_PUSH(C)
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
+ AC_LANG_POP])
+ if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+ # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+ CFLAGS="$SAVE_CFLAGS"
+ fi
+ ;;
+*-*solaris*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if AC_TRY_EVAL(ac_compile); then
+ case `/usr/bin/file conftest.o` in
+ *64-bit*)
+ case $lt_cv_prog_gnu_ld in
+ yes*)
+ case $host in
+ i?86-*-solaris*)
+ LD="${LD-ld} -m elf_x86_64"
+ ;;
+ sparc*-*-solaris*)
+ LD="${LD-ld} -m elf64_sparc"
+ ;;
+ esac
+ # GNU ld 2.21 introduced _sol2 emulations. Use them if available.
+ if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+ LD="${LD-ld}_sol2"
+ fi
+ ;;
+ *)
+ if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+ LD="${LD-ld} -64"
+ fi
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+esac
+
+need_locks="$enable_libtool_lock"
+])# _LT_ENABLE_LOCK
+
+
+# _LT_PROG_AR
+# -----------
+m4_defun([_LT_PROG_AR],
+[AC_CHECK_TOOLS(AR, [ar], false)
+: ${AR=ar}
+: ${AR_FLAGS=cru}
+_LT_DECL([], [AR], [1], [The archiver])
+_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive])
+
+AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file],
+ [lt_cv_ar_at_file=no
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
+ [echo conftest.$ac_objext > conftest.lst
+ lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD'
+ AC_TRY_EVAL([lt_ar_try])
+ if test "$ac_status" -eq 0; then
+ # Ensure the archiver fails upon bogus file names.
+ rm -f conftest.$ac_objext libconftest.a
+ AC_TRY_EVAL([lt_ar_try])
+ if test "$ac_status" -ne 0; then
+ lt_cv_ar_at_file=@
+ fi
+ fi
+ rm -f conftest.* libconftest.a
+ ])
+ ])
+
+if test "x$lt_cv_ar_at_file" = xno; then
+ archiver_list_spec=
+else
+ archiver_list_spec=$lt_cv_ar_at_file
+fi
+_LT_DECL([], [archiver_list_spec], [1],
+ [How to feed a file listing to the archiver])
+])# _LT_PROG_AR
+
+
+# _LT_CMD_OLD_ARCHIVE
+# -------------------
+m4_defun([_LT_CMD_OLD_ARCHIVE],
+[_LT_PROG_AR
+
+AC_CHECK_TOOL(STRIP, strip, :)
+test -z "$STRIP" && STRIP=:
+_LT_DECL([], [STRIP], [1], [A symbol stripping program])
+
+AC_CHECK_TOOL(RANLIB, ranlib, :)
+test -z "$RANLIB" && RANLIB=:
+_LT_DECL([], [RANLIB], [1],
+ [Commands used to install an old-style archive])
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+ case $host_os in
+ openbsd*)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+ ;;
+ *)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+ ;;
+ esac
+ old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+ darwin*)
+ lock_old_archive_extraction=yes ;;
+ *)
+ lock_old_archive_extraction=no ;;
+esac
+_LT_DECL([], [old_postinstall_cmds], [2])
+_LT_DECL([], [old_postuninstall_cmds], [2])
+_LT_TAGDECL([], [old_archive_cmds], [2],
+ [Commands used to build an old-style archive])
+_LT_DECL([], [lock_old_archive_extraction], [0],
+ [Whether to use a lock for old archive extraction])
+])# _LT_CMD_OLD_ARCHIVE
+
+
+# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------------------
+# Check whether the given compiler option works
+AC_DEFUN([_LT_COMPILER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+ [$2=no
+ m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="$3"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ $2=yes
+ fi
+ fi
+ $RM conftest*
+])
+
+if test x"[$]$2" = xyes; then
+ m4_if([$5], , :, [$5])
+else
+ m4_if([$6], , :, [$6])
+fi
+])# _LT_COMPILER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], [])
+
+
+# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
+# [ACTION-SUCCESS], [ACTION-FAILURE])
+# ----------------------------------------------------
+# Check whether the given linker option works
+AC_DEFUN([_LT_LINKER_OPTION],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_SED])dnl
+AC_CACHE_CHECK([$1], [$2],
+ [$2=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $3"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&AS_MESSAGE_LOG_FD
+ $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ $2=yes
+ fi
+ else
+ $2=yes
+ fi
+ fi
+ $RM -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+])
+
+if test x"[$]$2" = xyes; then
+ m4_if([$4], , :, [$4])
+else
+ m4_if([$5], , :, [$5])
+fi
+])# _LT_LINKER_OPTION
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], [])
+
+
+# LT_CMD_MAX_LEN
+#---------------
+AC_DEFUN([LT_CMD_MAX_LEN],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+# find the maximum length of command line arguments
+AC_MSG_CHECKING([the maximum length of command line arguments])
+AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
+ i=0
+ teststring="ABCD"
+
+ case $build_os in
+ msdosdjgpp*)
+ # On DJGPP, this test can blow up pretty badly due to problems in libc
+ # (any single argument exceeding 2000 bytes causes a buffer overrun
+ # during glob expansion). Even if it were fixed, the result of this
+ # check would be larger than it should be.
+ lt_cv_sys_max_cmd_len=12288; # 12K is about right
+ ;;
+
+ gnu*)
+ # Under GNU Hurd, this test is not required because there is
+ # no limit to the length of command line arguments.
+ # Libtool will interpret -1 as no limit whatsoever
+ lt_cv_sys_max_cmd_len=-1;
+ ;;
+
+ cygwin* | mingw* | cegcc*)
+ # On Win9x/ME, this test blows up -- it succeeds, but takes
+ # about 5 minutes as the teststring grows exponentially.
+ # Worse, since 9x/ME are not pre-emptively multitasking,
+ # you end up with a "frozen" computer, even though with patience
+ # the test eventually succeeds (with a max line length of 256k).
+ # Instead, let's just punt: use the minimum linelength reported by
+ # all of the supported platforms: 8192 (on NT/2K/XP).
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ mint*)
+ # On MiNT this can take a long time and run out of memory.
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ amigaos*)
+ # On AmigaOS with pdksh, this test takes hours, literally.
+ # So we just punt and use a minimum line length of 8192.
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+ # This has been around since 386BSD, at least. Likely further.
+ if test -x /sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+ elif test -x /usr/sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+ else
+ lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
+ fi
+ # And add a safety zone
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ ;;
+
+ interix*)
+ # We know the value 262144 and hardcode it with a safety zone (like BSD)
+ lt_cv_sys_max_cmd_len=196608
+ ;;
+
+ os2*)
+ # The test takes a long time on OS/2.
+ lt_cv_sys_max_cmd_len=8192
+ ;;
+
+ osf*)
+ # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+ # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+ # nice to cause kernel panics so lets avoid the loop below.
+ # First set a reasonable default.
+ lt_cv_sys_max_cmd_len=16384
+ #
+ if test -x /sbin/sysconfig; then
+ case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+ *1*) lt_cv_sys_max_cmd_len=-1 ;;
+ esac
+ fi
+ ;;
+ sco3.2v5*)
+ lt_cv_sys_max_cmd_len=102400
+ ;;
+ sysv5* | sco5v6* | sysv4.2uw2*)
+ kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+ if test -n "$kargmax"; then
+ lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'`
+ else
+ lt_cv_sys_max_cmd_len=32768
+ fi
+ ;;
+ *)
+ lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+ if test -n "$lt_cv_sys_max_cmd_len"; then
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ else
+ # Make teststring a little bigger before we do anything with it.
+ # a 1K string should be a reasonable start.
+ for i in 1 2 3 4 5 6 7 8 ; do
+ teststring=$teststring$teststring
+ done
+ SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+ # If test is not a shell built-in, we'll probably end up computing a
+ # maximum length that is only half of the actual maximum length, but
+ # we can't tell.
+ while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
+ = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+ test $i != 17 # 1/2 MB should be enough
+ do
+ i=`expr $i + 1`
+ teststring=$teststring$teststring
+ done
+ # Only check the string length outside the loop.
+ lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+ teststring=
+ # Add a significant safety factor because C++ compilers can tack on
+ # massive amounts of additional arguments before passing them to the
+ # linker. It appears as though 1/2 is a usable value.
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+ fi
+ ;;
+ esac
+])
+if test -n $lt_cv_sys_max_cmd_len ; then
+ AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
+else
+ AC_MSG_RESULT(none)
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+_LT_DECL([], [max_cmd_len], [0],
+ [What is the maximum length of a command?])
+])# LT_CMD_MAX_LEN
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], [])
+
+
+# _LT_HEADER_DLFCN
+# ----------------
+m4_defun([_LT_HEADER_DLFCN],
+[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl
+])# _LT_HEADER_DLFCN
+
+
+# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
+# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
+# ----------------------------------------------------------------
+m4_defun([_LT_TRY_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test "$cross_compiling" = yes; then :
+ [$4]
+else
+ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+ lt_status=$lt_dlunknown
+ cat > conftest.$ac_ext <<_LT_EOF
+[#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+# define LT_DLGLOBAL RTLD_GLOBAL
+#else
+# ifdef DL_GLOBAL
+# define LT_DLGLOBAL DL_GLOBAL
+# else
+# define LT_DLGLOBAL 0
+# endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+ find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+# ifdef RTLD_LAZY
+# define LT_DLLAZY_OR_NOW RTLD_LAZY
+# else
+# ifdef DL_LAZY
+# define LT_DLLAZY_OR_NOW DL_LAZY
+# else
+# ifdef RTLD_NOW
+# define LT_DLLAZY_OR_NOW RTLD_NOW
+# else
+# ifdef DL_NOW
+# define LT_DLLAZY_OR_NOW DL_NOW
+# else
+# define LT_DLLAZY_OR_NOW 0
+# endif
+# endif
+# endif
+# endif
+#endif
+
+/* When -fvisbility=hidden is used, assume the code has been annotated
+ correspondingly for the symbols needed. */
+#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+ void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+ int status = $lt_dlunknown;
+
+ if (self)
+ {
+ if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
+ else
+ {
+ if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+ else puts (dlerror ());
+ }
+ /* dlclose (self); */
+ }
+ else
+ puts (dlerror ());
+
+ return status;
+}]
+_LT_EOF
+ if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
+ (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null
+ lt_status=$?
+ case x$lt_status in
+ x$lt_dlno_uscore) $1 ;;
+ x$lt_dlneed_uscore) $2 ;;
+ x$lt_dlunknown|x*) $3 ;;
+ esac
+ else :
+ # compilation failed
+ $3
+ fi
+fi
+rm -fr conftest*
+])# _LT_TRY_DLOPEN_SELF
+
+
+# LT_SYS_DLOPEN_SELF
+# ------------------
+AC_DEFUN([LT_SYS_DLOPEN_SELF],
+[m4_require([_LT_HEADER_DLFCN])dnl
+if test "x$enable_dlopen" != xyes; then
+ enable_dlopen=unknown
+ enable_dlopen_self=unknown
+ enable_dlopen_self_static=unknown
+else
+ lt_cv_dlopen=no
+ lt_cv_dlopen_libs=
+
+ case $host_os in
+ beos*)
+ lt_cv_dlopen="load_add_on"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+ ;;
+
+ mingw* | pw32* | cegcc*)
+ lt_cv_dlopen="LoadLibrary"
+ lt_cv_dlopen_libs=
+ ;;
+
+ cygwin*)
+ lt_cv_dlopen="dlopen"
+ lt_cv_dlopen_libs=
+ ;;
+
+ darwin*)
+ # if libdl is installed we need to link against it
+ AC_CHECK_LIB([dl], [dlopen],
+ [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
+ lt_cv_dlopen="dyld"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+ ])
+ ;;
+
+ *)
+ AC_CHECK_FUNC([shl_load],
+ [lt_cv_dlopen="shl_load"],
+ [AC_CHECK_LIB([dld], [shl_load],
+ [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"],
+ [AC_CHECK_FUNC([dlopen],
+ [lt_cv_dlopen="dlopen"],
+ [AC_CHECK_LIB([dl], [dlopen],
+ [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
+ [AC_CHECK_LIB([svld], [dlopen],
+ [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
+ [AC_CHECK_LIB([dld], [dld_link],
+ [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"])
+ ])
+ ])
+ ])
+ ])
+ ])
+ ;;
+ esac
+
+ if test "x$lt_cv_dlopen" != xno; then
+ enable_dlopen=yes
+ else
+ enable_dlopen=no
+ fi
+
+ case $lt_cv_dlopen in
+ dlopen)
+ save_CPPFLAGS="$CPPFLAGS"
+ test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+ save_LDFLAGS="$LDFLAGS"
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+ save_LIBS="$LIBS"
+ LIBS="$lt_cv_dlopen_libs $LIBS"
+
+ AC_CACHE_CHECK([whether a program can dlopen itself],
+ lt_cv_dlopen_self, [dnl
+ _LT_TRY_DLOPEN_SELF(
+ lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
+ lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
+ ])
+
+ if test "x$lt_cv_dlopen_self" = xyes; then
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+ AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
+ lt_cv_dlopen_self_static, [dnl
+ _LT_TRY_DLOPEN_SELF(
+ lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
+ lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross)
+ ])
+ fi
+
+ CPPFLAGS="$save_CPPFLAGS"
+ LDFLAGS="$save_LDFLAGS"
+ LIBS="$save_LIBS"
+ ;;
+ esac
+
+ case $lt_cv_dlopen_self in
+ yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+ *) enable_dlopen_self=unknown ;;
+ esac
+
+ case $lt_cv_dlopen_self_static in
+ yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+ *) enable_dlopen_self_static=unknown ;;
+ esac
+fi
+_LT_DECL([dlopen_support], [enable_dlopen], [0],
+ [Whether dlopen is supported])
+_LT_DECL([dlopen_self], [enable_dlopen_self], [0],
+ [Whether dlopen of programs is supported])
+_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0],
+ [Whether dlopen of statically linked programs is supported])
+])# LT_SYS_DLOPEN_SELF
+
+# Old name:
+AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], [])
+
+
+# _LT_COMPILER_C_O([TAGNAME])
+# ---------------------------
+# Check to see if options -c and -o are simultaneously supported by compiler.
+# This macro does not hard code the compiler like AC_PROG_CC_C_O.
+m4_defun([_LT_COMPILER_C_O],
+[m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
+ [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
+ [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
+ $RM -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&AS_MESSAGE_LOG_FD
+ echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+ fi
+ fi
+ chmod u+w . 2>&AS_MESSAGE_LOG_FD
+ $RM conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+ $RM out/* && rmdir out
+ cd ..
+ $RM -r conftest
+ $RM conftest*
+])
+_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1],
+ [Does compiler simultaneously support -c and -o options?])
+])# _LT_COMPILER_C_O
+
+
+# _LT_COMPILER_FILE_LOCKS([TAGNAME])
+# ----------------------------------
+# Check to see if we can do hard links to lock some files if needed
+m4_defun([_LT_COMPILER_FILE_LOCKS],
+[m4_require([_LT_ENABLE_LOCK])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+_LT_COMPILER_C_O([$1])
+
+hard_links="nottested"
+if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
+ # do not overwrite the value of need_locks provided by the user
+ AC_MSG_CHECKING([if we can lock with hard links])
+ hard_links=yes
+ $RM conftest*
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ touch conftest.a
+ ln conftest.a conftest.b 2>&5 || hard_links=no
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ AC_MSG_RESULT([$hard_links])
+ if test "$hard_links" = no; then
+ AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
+ need_locks=warn
+ fi
+else
+ need_locks=no
+fi
+_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?])
+])# _LT_COMPILER_FILE_LOCKS
+
+
+# _LT_CHECK_OBJDIR
+# ----------------
+m4_defun([_LT_CHECK_OBJDIR],
+[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
+[rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+ lt_cv_objdir=.libs
+else
+ # MS-DOS does not allow filenames that begin with a dot.
+ lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null])
+objdir=$lt_cv_objdir
+_LT_DECL([], [objdir], [0],
+ [The name of the directory that contains temporary libtool files])dnl
+m4_pattern_allow([LT_OBJDIR])dnl
+AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/",
+ [Define to the sub-directory in which libtool stores uninstalled libraries.])
+])# _LT_CHECK_OBJDIR
+
+
+# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME])
+# --------------------------------------
+# Check hardcoding attributes.
+m4_defun([_LT_LINKER_HARDCODE_LIBPATH],
+[AC_MSG_CHECKING([how to hardcode library paths into programs])
+_LT_TAGVAR(hardcode_action, $1)=
+if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" ||
+ test -n "$_LT_TAGVAR(runpath_var, $1)" ||
+ test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
+
+ # We can hardcode non-existent directories.
+ if test "$_LT_TAGVAR(hardcode_direct, $1)" != no &&
+ # If the only mechanism to avoid hardcoding is shlibpath_var, we
+ # have to relink, otherwise we might link with an installed library
+ # when we should be linking with a yet-to-be-installed one
+ ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
+ test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then
+ # Linking always hardcodes the temporary library directory.
+ _LT_TAGVAR(hardcode_action, $1)=relink
+ else
+ # We can link without hardcoding, and we can hardcode nonexisting dirs.
+ _LT_TAGVAR(hardcode_action, $1)=immediate
+ fi
+else
+ # We cannot hardcode anything, or else we can only hardcode existing
+ # directories.
+ _LT_TAGVAR(hardcode_action, $1)=unsupported
+fi
+AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)])
+
+if test "$_LT_TAGVAR(hardcode_action, $1)" = relink ||
+ test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then
+ # Fast installation is not supported
+ enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+ test "$enable_shared" = no; then
+ # Fast installation is not necessary
+ enable_fast_install=needless
+fi
+_LT_TAGDECL([], [hardcode_action], [0],
+ [How to hardcode a shared library path into an executable])
+])# _LT_LINKER_HARDCODE_LIBPATH
+
+
+# _LT_CMD_STRIPLIB
+# ----------------
+m4_defun([_LT_CMD_STRIPLIB],
+[m4_require([_LT_DECL_EGREP])
+striplib=
+old_striplib=
+AC_MSG_CHECKING([whether stripping libraries is possible])
+if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+ test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+ test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+ AC_MSG_RESULT([yes])
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+ case $host_os in
+ darwin*)
+ if test -n "$STRIP" ; then
+ striplib="$STRIP -x"
+ old_striplib="$STRIP -S"
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ fi
+ ;;
+ *)
+ AC_MSG_RESULT([no])
+ ;;
+ esac
+fi
+_LT_DECL([], [old_striplib], [1], [Commands to strip libraries])
+_LT_DECL([], [striplib], [1])
+])# _LT_CMD_STRIPLIB
+
+
+# _LT_SYS_DYNAMIC_LINKER([TAG])
+# -----------------------------
+# PORTME Fill in your ld.so characteristics
+m4_defun([_LT_SYS_DYNAMIC_LINKER],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_OBJDUMP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CHECK_SHELL_FEATURES])dnl
+AC_MSG_CHECKING([dynamic linker characteristics])
+m4_if([$1],
+ [], [
+if test "$GCC" = yes; then
+ case $host_os in
+ darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+ *) lt_awk_arg="/^libraries:/" ;;
+ esac
+ case $host_os in
+ mingw* | cegcc*) lt_sed_strip_eq="s,=\([[A-Za-z]]:\),\1,g" ;;
+ *) lt_sed_strip_eq="s,=/,/,g" ;;
+ esac
+ lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+ case $lt_search_path_spec in
+ *\;*)
+ # if the path contains ";" then we assume it to be the separator
+ # otherwise default to the standard path separator (i.e. ":") - it is
+ # assumed that no part of a normal pathname contains ";" but that should
+ # okay in the real world where ";" in dirpaths is itself problematic.
+ lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+ ;;
+ *)
+ lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+ ;;
+ esac
+ # Ok, now we have the path, separated by spaces, we can step through it
+ # and add multilib dir if necessary.
+ lt_tmp_lt_search_path_spec=
+ lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+ for lt_sys_path in $lt_search_path_spec; do
+ if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+ else
+ test -d "$lt_sys_path" && \
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+ fi
+ done
+ lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+ lt_foo="";
+ lt_count=0;
+ for (lt_i = NF; lt_i > 0; lt_i--) {
+ if ($lt_i != "" && $lt_i != ".") {
+ if ($lt_i == "..") {
+ lt_count++;
+ } else {
+ if (lt_count == 0) {
+ lt_foo="/" $lt_i lt_foo;
+ } else {
+ lt_count--;
+ }
+ }
+ }
+ }
+ if (lt_foo != "") { lt_freq[[lt_foo]]++; }
+ if (lt_freq[[lt_foo]] == 1) { print lt_foo; }
+}'`
+ # AWK program above erroneously prepends '/' to C:/dos/paths
+ # for these hosts.
+ case $host_os in
+ mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+ $SED 's,/\([[A-Za-z]]:\),\1,g'` ;;
+ esac
+ sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+ sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi])
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+ shlibpath_var=LIBPATH
+
+ # AIX 3 has no versioning support, so we append a major version to the name.
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+
+aix[[4-9]]*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ hardcode_into_libs=yes
+ if test "$host_cpu" = ia64; then
+ # AIX 5 supports IA64
+ library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ else
+ # With GCC up to 2.95.x, collect2 would create an import file
+ # for dependence libraries. The import file would start with
+ # the line `#! .'. This would cause the generated library to
+ # depend on `.', always an invalid library. This was fixed in
+ # development snapshots of GCC prior to 3.0.
+ case $host_os in
+ aix4 | aix4.[[01]] | aix4.[[01]].*)
+ if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+ echo ' yes '
+ echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+ :
+ else
+ can_build_shared=no
+ fi
+ ;;
+ esac
+ # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+ # soname into executable. Probably we can add versioning support to
+ # collect2, so additional links can be useful in future.
+ if test "$aix_use_runtimelinking" = yes; then
+ # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+ # instead of lib<name>.a to let people know that these are not
+ # typical AIX shared libraries.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ else
+ # We preserve .a as extension for shared libraries through AIX4.2
+ # and later when we are not doing run time linking.
+ library_names_spec='${libname}${release}.a $libname.a'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ fi
+ shlibpath_var=LIBPATH
+ fi
+ ;;
+
+amigaos*)
+ case $host_cpu in
+ powerpc)
+ # Since July 2007 AmigaOS4 officially supports .so libraries.
+ # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ ;;
+ m68k)
+ library_names_spec='$libname.ixlibrary $libname.a'
+ # Create ${libname}_ixlibrary.a entries in /sys/libs.
+ finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+ ;;
+ esac
+ ;;
+
+beos*)
+ library_names_spec='${libname}${shared_ext}'
+ dynamic_linker="$host_os ld.so"
+ shlibpath_var=LIBRARY_PATH
+ ;;
+
+bsdi[[45]]*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+ sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+ # the default ld.so.conf also contains /usr/contrib/lib and
+ # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+ # libtool to hard-code these into programs
+ ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+ version_type=windows
+ shrext_cmds=".dll"
+ need_version=no
+ need_lib_prefix=no
+
+ case $GCC,$cc_basename in
+ yes,*)
+ # gcc
+ library_names_spec='$libname.dll.a'
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname~
+ chmod a+x \$dldir/$dlname~
+ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+ eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+ fi'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $RM \$dlpath'
+ shlibpath_overrides_runpath=yes
+
+ case $host_os in
+ cygwin*)
+ # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+ soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+m4_if([$1], [],[
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"])
+ ;;
+ mingw* | cegcc*)
+ # MinGW DLLs use traditional 'lib' prefix
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ pw32*)
+ # pw32 DLLs use 'pw' prefix rather than 'lib'
+ library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ esac
+ dynamic_linker='Win32 ld.exe'
+ ;;
+
+ *,cl*)
+ # Native MSVC
+ libname_spec='$name'
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
+ library_names_spec='${libname}.dll.lib'
+
+ case $build_os in
+ mingw*)
+ sys_lib_search_path_spec=
+ lt_save_ifs=$IFS
+ IFS=';'
+ for lt_path in $LIB
+ do
+ IFS=$lt_save_ifs
+ # Let DOS variable expansion print the short 8.3 style file name.
+ lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+ sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+ done
+ IFS=$lt_save_ifs
+ # Convert to MSYS style.
+ sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'`
+ ;;
+ cygwin*)
+ # Convert to unix form, then to dos form, then back to unix form
+ # but this time dos style (no spaces!) so that the unix form looks
+ # like /cygdrive/c/PROGRA~1:/cygdr...
+ sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+ sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+ sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ ;;
+ *)
+ sys_lib_search_path_spec="$LIB"
+ if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then
+ # It is most probably a Windows format PATH.
+ sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ # FIXME: find the short name or the path components, as spaces are
+ # common. (e.g. "Program Files" -> "PROGRA~1")
+ ;;
+ esac
+
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $RM \$dlpath'
+ shlibpath_overrides_runpath=yes
+ dynamic_linker='Win32 link.exe'
+ ;;
+
+ *)
+ # Assume MSVC wrapper
+ library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
+ dynamic_linker='Win32 ld.exe'
+ ;;
+ esac
+ # FIXME: first we should search . and the directory the executable is in
+ shlibpath_var=PATH
+ ;;
+
+darwin* | rhapsody*)
+ dynamic_linker="$host_os dyld"
+ version_type=darwin
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+ soname_spec='${libname}${release}${major}$shared_ext'
+ shlibpath_overrides_runpath=yes
+ shlibpath_var=DYLD_LIBRARY_PATH
+ shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+m4_if([$1], [],[
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"])
+ sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+ ;;
+
+dgux*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+freebsd* | dragonfly*)
+ # DragonFly does not have aout. When/if they implement a new
+ # versioning mechanism, adjust this.
+ if test -x /usr/bin/objformat; then
+ objformat=`/usr/bin/objformat`
+ else
+ case $host_os in
+ freebsd[[23]].*) objformat=aout ;;
+ *) objformat=elf ;;
+ esac
+ fi
+ version_type=freebsd-$objformat
+ case $version_type in
+ freebsd-elf*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ need_version=no
+ need_lib_prefix=no
+ ;;
+ freebsd-*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+ need_version=yes
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_os in
+ freebsd2.*)
+ shlibpath_overrides_runpath=yes
+ ;;
+ freebsd3.[[01]]* | freebsdelf3.[[01]]*)
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \
+ freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1)
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+ *) # from 4.6 on, and DragonFly
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ esac
+ ;;
+
+gnu*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+haiku*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ dynamic_linker="$host_os runtime_loader"
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+ hardcode_into_libs=yes
+ ;;
+
+hpux9* | hpux10* | hpux11*)
+ # Give a soname corresponding to the major version so that dld.sl refuses to
+ # link against other versions.
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ case $host_cpu in
+ ia64*)
+ shrext_cmds='.so'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.so"
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ if test "X$HPUX_IA64_MODE" = X32; then
+ sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+ else
+ sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+ fi
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ hppa*64*)
+ shrext_cmds='.sl'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ *)
+ shrext_cmds='.sl'
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=SHLIB_PATH
+ shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+ esac
+ # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+ postinstall_cmds='chmod 555 $lib'
+ # or fails outright, so override atomically:
+ install_override_mode=555
+ ;;
+
+interix[[3-9]]*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $host_os in
+ nonstopux*) version_type=nonstopux ;;
+ *)
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ version_type=linux # correct to gnu/linux during the next big refactor
+ else
+ version_type=irix
+ fi ;;
+ esac
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+ case $host_os in
+ irix5* | nonstopux*)
+ libsuff= shlibsuff=
+ ;;
+ *)
+ case $LD in # libtool.m4 will add one of these switches to LD
+ *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+ libsuff= shlibsuff= libmagic=32-bit;;
+ *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+ libsuff=32 shlibsuff=N32 libmagic=N32;;
+ *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+ libsuff=64 shlibsuff=64 libmagic=64-bit;;
+ *) libsuff= shlibsuff= libmagic=never-match;;
+ esac
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+ sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+ hardcode_into_libs=yes
+ ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+ dynamic_linker=no
+ ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+
+ # Some binutils ld are patched to set DT_RUNPATH
+ AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath],
+ [lt_cv_shlibpath_overrides_runpath=no
+ save_LDFLAGS=$LDFLAGS
+ save_libdir=$libdir
+ eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \
+ LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\""
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
+ [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null],
+ [lt_cv_shlibpath_overrides_runpath=yes])])
+ LDFLAGS=$save_LDFLAGS
+ libdir=$save_libdir
+ ])
+ shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+ # This implies no fast_install, which is unacceptable.
+ # Some rework will be needed to allow for fast_install
+ # before this can be enabled.
+ hardcode_into_libs=yes
+
+ # Add ABI-specific directories to the system library path.
+ sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
+
+ # Append ld.so.conf contents to the search path
+ if test -f /etc/ld.so.conf; then
+ lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+ sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+
+ fi
+
+ # We used to test for /lib/ld.so.1 and disable shared libraries on
+ # powerpc, because MkLinux only supported shared libraries with the
+ # GNU dynamic linker. Since this was broken with cross compilers,
+ # most powerpc-linux boxes support dynamic linking these days and
+ # people can always --disable-shared, the test was removed, and we
+ # assume the GNU/Linux dynamic linker is in use.
+ dynamic_linker='GNU/Linux ld.so'
+ ;;
+
+netbsd*)
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ dynamic_linker='NetBSD (a.out) ld.so'
+ else
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='NetBSD ld.elf_so'
+ fi
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+
+newsos6)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+*nto* | *qnx*)
+ version_type=qnx
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ dynamic_linker='ldqnx.so'
+ ;;
+
+openbsd*)
+ version_type=sunos
+ sys_lib_dlsearch_path_spec="/usr/lib"
+ need_lib_prefix=no
+ # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+ case $host_os in
+ openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+ *) need_version=no ;;
+ esac
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ case $host_os in
+ openbsd2.[[89]] | openbsd2.[[89]].*)
+ shlibpath_overrides_runpath=no
+ ;;
+ *)
+ shlibpath_overrides_runpath=yes
+ ;;
+ esac
+ else
+ shlibpath_overrides_runpath=yes
+ fi
+ ;;
+
+os2*)
+ libname_spec='$name'
+ shrext_cmds=".dll"
+ need_lib_prefix=no
+ library_names_spec='$libname${shared_ext} $libname.a'
+ dynamic_linker='OS/2 ld.exe'
+ shlibpath_var=LIBPATH
+ ;;
+
+osf3* | osf4* | osf5*)
+ version_type=osf
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+ sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+ ;;
+
+rdos*)
+ dynamic_linker=no
+ ;;
+
+solaris*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ # ldd complains unless libraries are executable
+ postinstall_cmds='chmod +x $lib'
+ ;;
+
+sunos4*)
+ version_type=sunos
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ if test "$with_gnu_ld" = yes; then
+ need_lib_prefix=no
+ fi
+ need_version=yes
+ ;;
+
+sysv4 | sysv4.3*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_vendor in
+ sni)
+ shlibpath_overrides_runpath=no
+ need_lib_prefix=no
+ runpath_var=LD_RUN_PATH
+ ;;
+ siemens)
+ need_lib_prefix=no
+ ;;
+ motorola)
+ need_lib_prefix=no
+ need_version=no
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+ ;;
+ esac
+ ;;
+
+sysv4*MP*)
+ if test -d /usr/nec ;then
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+ soname_spec='$libname${shared_ext}.$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ fi
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ version_type=freebsd-elf
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ if test "$with_gnu_ld" = yes; then
+ sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+ else
+ sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+ case $host_os in
+ sco3.2v5*)
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+ ;;
+ esac
+ fi
+ sys_lib_dlsearch_path_spec='/usr/lib'
+ ;;
+
+tpf*)
+ # TPF is a cross-target only. Preferred cross-host = GNU/Linux.
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+uts4*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+*)
+ dynamic_linker=no
+ ;;
+esac
+AC_MSG_RESULT([$dynamic_linker])
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+ variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+ sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+ sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+_LT_DECL([], [variables_saved_for_relink], [1],
+ [Variables whose values should be saved in libtool wrapper scripts and
+ restored at link time])
+_LT_DECL([], [need_lib_prefix], [0],
+ [Do we need the "lib" prefix for modules?])
+_LT_DECL([], [need_version], [0], [Do we need a version for libraries?])
+_LT_DECL([], [version_type], [0], [Library versioning type])
+_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable])
+_LT_DECL([], [shlibpath_var], [0],[Shared library path variable])
+_LT_DECL([], [shlibpath_overrides_runpath], [0],
+ [Is shlibpath searched before the hard-coded library search path?])
+_LT_DECL([], [libname_spec], [1], [Format of library name prefix])
+_LT_DECL([], [library_names_spec], [1],
+ [[List of archive names. First name is the real one, the rest are links.
+ The last name is the one that the linker finds with -lNAME]])
+_LT_DECL([], [soname_spec], [1],
+ [[The coded name of the library, if different from the real name]])
+_LT_DECL([], [install_override_mode], [1],
+ [Permission mode override for installation of shared libraries])
+_LT_DECL([], [postinstall_cmds], [2],
+ [Command to use after installation of a shared archive])
+_LT_DECL([], [postuninstall_cmds], [2],
+ [Command to use after uninstallation of a shared archive])
+_LT_DECL([], [finish_cmds], [2],
+ [Commands used to finish a libtool library installation in a directory])
+_LT_DECL([], [finish_eval], [1],
+ [[As "finish_cmds", except a single script fragment to be evaled but
+ not shown]])
+_LT_DECL([], [hardcode_into_libs], [0],
+ [Whether we should hardcode library paths into libraries])
+_LT_DECL([], [sys_lib_search_path_spec], [2],
+ [Compile-time system search path for libraries])
+_LT_DECL([], [sys_lib_dlsearch_path_spec], [2],
+ [Run-time system search path for libraries])
+])# _LT_SYS_DYNAMIC_LINKER
+
+
+# _LT_PATH_TOOL_PREFIX(TOOL)
+# --------------------------
+# find a file program which can recognize shared library
+AC_DEFUN([_LT_PATH_TOOL_PREFIX],
+[m4_require([_LT_DECL_EGREP])dnl
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
+[case $MAGIC_CMD in
+[[\\/*] | ?:[\\/]*])
+ lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+ ;;
+*)
+ lt_save_MAGIC_CMD="$MAGIC_CMD"
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+dnl $ac_dummy forces splitting on constant user-supplied paths.
+dnl POSIX.2 word splitting is done only on the output of word expansions,
+dnl not every word. This closes a longstanding sh security hole.
+ ac_dummy="m4_if([$2], , $PATH, [$2])"
+ for ac_dir in $ac_dummy; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/$1; then
+ lt_cv_path_MAGIC_CMD="$ac_dir/$1"
+ if test -n "$file_magic_test_file"; then
+ case $deplibs_check_method in
+ "file_magic "*)
+ file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+ MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+ if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ :
+ else
+ cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such. This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem. Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+ fi ;;
+ esac
+ fi
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+ MAGIC_CMD="$lt_save_MAGIC_CMD"
+ ;;
+esac])
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+ AC_MSG_RESULT($MAGIC_CMD)
+else
+ AC_MSG_RESULT(no)
+fi
+_LT_DECL([], [MAGIC_CMD], [0],
+ [Used to examine libraries when file_magic_cmd begins with "file"])dnl
+])# _LT_PATH_TOOL_PREFIX
+
+# Old name:
+AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], [])
+
+
+# _LT_PATH_MAGIC
+# --------------
+# find a file program which can recognize a shared library
+m4_defun([_LT_PATH_MAGIC],
+[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+ if test -n "$ac_tool_prefix"; then
+ _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
+ else
+ MAGIC_CMD=:
+ fi
+fi
+])# _LT_PATH_MAGIC
+
+
+# LT_PATH_LD
+# ----------
+# find the pathname to the GNU or non-GNU linker
+AC_DEFUN([LT_PATH_LD],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PROG_ECHO_BACKSLASH])dnl
+
+AC_ARG_WITH([gnu-ld],
+ [AS_HELP_STRING([--with-gnu-ld],
+ [assume the C compiler uses GNU ld @<:@default=no@:>@])],
+ [test "$withval" = no || with_gnu_ld=yes],
+ [with_gnu_ld=no])dnl
+
+ac_prog=ld
+if test "$GCC" = yes; then
+ # Check if gcc -print-prog-name=ld gives a path.
+ AC_MSG_CHECKING([for ld used by $CC])
+ case $host in
+ *-*-mingw*)
+ # gcc leaves a trailing carriage return which upsets mingw
+ ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+ *)
+ ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+ esac
+ case $ac_prog in
+ # Accept absolute paths.
+ [[\\/]]* | ?:[[\\/]]*)
+ re_direlt='/[[^/]][[^/]]*/\.\./'
+ # Canonicalize the pathname of ld
+ ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+ while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+ ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+ done
+ test -z "$LD" && LD="$ac_prog"
+ ;;
+ "")
+ # If it fails, then pretend we aren't using GCC.
+ ac_prog=ld
+ ;;
+ *)
+ # If it is relative, then search for the first ld in PATH.
+ with_gnu_ld=unknown
+ ;;
+ esac
+elif test "$with_gnu_ld" = yes; then
+ AC_MSG_CHECKING([for GNU ld])
+else
+ AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(lt_cv_path_LD,
+[if test -z "$LD"; then
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+ lt_cv_path_LD="$ac_dir/$ac_prog"
+ # Check to see if the program is GNU ld. I'd rather use --version,
+ # but apparently some variants of GNU ld only accept -v.
+ # Break only if it was the GNU/non-GNU ld that we prefer.
+ case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+ *GNU* | *'with BFD'*)
+ test "$with_gnu_ld" != no && break
+ ;;
+ *)
+ test "$with_gnu_ld" != yes && break
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+else
+ lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi])
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+ AC_MSG_RESULT($LD)
+else
+ AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+_LT_PATH_LD_GNU
+AC_SUBST([LD])
+
+_LT_TAGDECL([], [LD], [1], [The linker used to build libraries])
+])# LT_PATH_LD
+
+# Old names:
+AU_ALIAS([AM_PROG_LD], [LT_PATH_LD])
+AU_ALIAS([AC_PROG_LD], [LT_PATH_LD])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_LD], [])
+dnl AC_DEFUN([AC_PROG_LD], [])
+
+
+# _LT_PATH_LD_GNU
+#- --------------
+m4_defun([_LT_PATH_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+ lt_cv_prog_gnu_ld=yes
+ ;;
+*)
+ lt_cv_prog_gnu_ld=no
+ ;;
+esac])
+with_gnu_ld=$lt_cv_prog_gnu_ld
+])# _LT_PATH_LD_GNU
+
+
+# _LT_CMD_RELOAD
+# --------------
+# find reload flag for linker
+# -- PORTME Some linkers may need a different reload flag.
+m4_defun([_LT_CMD_RELOAD],
+[AC_CACHE_CHECK([for $LD option to reload object files],
+ lt_cv_ld_reload_flag,
+ [lt_cv_ld_reload_flag='-r'])
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+ cygwin* | mingw* | pw32* | cegcc*)
+ if test "$GCC" != yes; then
+ reload_cmds=false
+ fi
+ ;;
+ darwin*)
+ if test "$GCC" = yes; then
+ reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+ else
+ reload_cmds='$LD$reload_flag -o $output$reload_objs'
+ fi
+ ;;
+esac
+_LT_TAGDECL([], [reload_flag], [1], [How to create reloadable object files])dnl
+_LT_TAGDECL([], [reload_cmds], [2])dnl
+])# _LT_CMD_RELOAD
+
+
+# _LT_CHECK_MAGIC_METHOD
+# ----------------------
+# how to check for library dependencies
+# -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_MAGIC_METHOD],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+AC_CACHE_CHECK([how to recognize dependent libraries],
+lt_cv_deplibs_check_method,
+[lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[[4-9]]*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+beos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+bsdi[[45]]*)
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
+ lt_cv_file_magic_cmd='/usr/bin/file -L'
+ lt_cv_file_magic_test_file=/shlib/libc.so
+ ;;
+
+cygwin*)
+ # func_win32_libid is a shell function defined in ltmain.sh
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ ;;
+
+mingw* | pw32*)
+ # Base MSYS/MinGW do not provide the 'file' command needed by
+ # func_win32_libid shell function, so use a weaker test based on 'objdump',
+ # unless we find 'file', for example because we are cross-compiling.
+ # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin.
+ if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ else
+ # Keep this pattern in sync with the one in func_win32_libid.
+ lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+ lt_cv_file_magic_cmd='$OBJDUMP -f'
+ fi
+ ;;
+
+cegcc*)
+ # use the weaker test based on 'objdump'. See mingw*.
+ lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+ lt_cv_file_magic_cmd='$OBJDUMP -f'
+ ;;
+
+darwin* | rhapsody*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+freebsd* | dragonfly*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+ case $host_cpu in
+ i*86 )
+ # Not sure whether the presence of OpenBSD here was a mistake.
+ # Let's accept both of them until this is cleared up.
+ lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+ ;;
+ esac
+ else
+ lt_cv_deplibs_check_method=pass_all
+ fi
+ ;;
+
+gnu*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+haiku*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+hpux10.20* | hpux11*)
+ lt_cv_file_magic_cmd=/usr/bin/file
+ case $host_cpu in
+ ia64*)
+ lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
+ lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+ ;;
+ hppa*64*)
+ [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]']
+ lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+ ;;
+ *)
+ lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library'
+ lt_cv_file_magic_test_file=/usr/lib/libc.sl
+ ;;
+ esac
+ ;;
+
+interix[[3-9]]*)
+ # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$'
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $LD in
+ *-32|*"-32 ") libmagic=32-bit;;
+ *-n32|*"-n32 ") libmagic=N32;;
+ *-64|*"-64 ") libmagic=64-bit;;
+ *) libmagic=never-match;;
+ esac
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+netbsd*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$'
+ fi
+ ;;
+
+newos6*)
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=/usr/lib/libnls.so
+ ;;
+
+*nto* | *qnx*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+openbsd*)
+ if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
+ fi
+ ;;
+
+osf3* | osf4* | osf5*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+rdos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+solaris*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+sysv4 | sysv4.3*)
+ case $host_vendor in
+ motorola)
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+ ;;
+ ncr)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ sequent)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
+ ;;
+ sni)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
+ lt_cv_file_magic_test_file=/lib/libc.so
+ ;;
+ siemens)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ pc)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ esac
+ ;;
+
+tpf*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+esac
+])
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+ case $host_os in
+ mingw* | pw32*)
+ if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+ want_nocaseglob=yes
+ else
+ file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"`
+ fi
+ ;;
+ esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+_LT_DECL([], [deplibs_check_method], [1],
+ [Method to check whether dependent libraries are shared objects])
+_LT_DECL([], [file_magic_cmd], [1],
+ [Command to use when deplibs_check_method = "file_magic"])
+_LT_DECL([], [file_magic_glob], [1],
+ [How to find potential files when deplibs_check_method = "file_magic"])
+_LT_DECL([], [want_nocaseglob], [1],
+ [Find potential files using nocaseglob when deplibs_check_method = "file_magic"])
+])# _LT_CHECK_MAGIC_METHOD
+
+
+# LT_PATH_NM
+# ----------
+# find the pathname to a BSD- or MS-compatible name lister
+AC_DEFUN([LT_PATH_NM],
+[AC_REQUIRE([AC_PROG_CC])dnl
+AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM,
+[if test -n "$NM"; then
+ # Let the user override the test.
+ lt_cv_path_NM="$NM"
+else
+ lt_nm_to_check="${ac_tool_prefix}nm"
+ if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+ lt_nm_to_check="$lt_nm_to_check nm"
+ fi
+ for lt_tmp_nm in $lt_nm_to_check; do
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ tmp_nm="$ac_dir/$lt_tmp_nm"
+ if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+ # Check to see if the nm accepts a BSD-compat flag.
+ # Adding the `sed 1q' prevents false positives on HP-UX, which says:
+ # nm: unknown option "B" ignored
+ # Tru64's nm complains that /dev/null is an invalid object file
+ case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+ */dev/null* | *'Invalid file or object type'*)
+ lt_cv_path_NM="$tmp_nm -B"
+ break
+ ;;
+ *)
+ case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+ */dev/null*)
+ lt_cv_path_NM="$tmp_nm -p"
+ break
+ ;;
+ *)
+ lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+ continue # so that we can try to find one that supports BSD flags
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+ done
+ : ${lt_cv_path_NM=no}
+fi])
+if test "$lt_cv_path_NM" != "no"; then
+ NM="$lt_cv_path_NM"
+else
+ # Didn't find any BSD compatible name lister, look for dumpbin.
+ if test -n "$DUMPBIN"; then :
+ # Let the user override the test.
+ else
+ AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :)
+ case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in
+ *COFF*)
+ DUMPBIN="$DUMPBIN -symbols"
+ ;;
+ *)
+ DUMPBIN=:
+ ;;
+ esac
+ fi
+ AC_SUBST([DUMPBIN])
+ if test "$DUMPBIN" != ":"; then
+ NM="$DUMPBIN"
+ fi
+fi
+test -z "$NM" && NM=nm
+AC_SUBST([NM])
+_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl
+
+AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface],
+ [lt_cv_nm_interface="BSD nm"
+ echo "int some_variable = 0;" > conftest.$ac_ext
+ (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD)
+ (eval "$ac_compile" 2>conftest.err)
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD)
+ (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD)
+ cat conftest.out >&AS_MESSAGE_LOG_FD
+ if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+ lt_cv_nm_interface="MS dumpbin"
+ fi
+ rm -f conftest*])
+])# LT_PATH_NM
+
+# Old names:
+AU_ALIAS([AM_PROG_NM], [LT_PATH_NM])
+AU_ALIAS([AC_PROG_NM], [LT_PATH_NM])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_PROG_NM], [])
+dnl AC_DEFUN([AC_PROG_NM], [])
+
+# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+# --------------------------------
+# how to determine the name of the shared library
+# associated with a specific link library.
+# -- PORTME fill in with the dynamic library characteristics
+m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB],
+[m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
+m4_require([_LT_DECL_DLLTOOL])
+AC_CACHE_CHECK([how to associate runtime and link libraries],
+lt_cv_sharedlib_from_linklib_cmd,
+[lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+ # two different shell functions defined in ltmain.sh
+ # decide which to use based on capabilities of $DLLTOOL
+ case `$DLLTOOL --help 2>&1` in
+ *--identify-strict*)
+ lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+ ;;
+ *)
+ lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+ ;;
+ esac
+ ;;
+*)
+ # fallback: assume linklib IS sharedlib
+ lt_cv_sharedlib_from_linklib_cmd="$ECHO"
+ ;;
+esac
+])
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+_LT_DECL([], [sharedlib_from_linklib_cmd], [1],
+ [Command to associate shared and link libraries])
+])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB
+
+
+# _LT_PATH_MANIFEST_TOOL
+# ----------------------
+# locate the manifest tool
+m4_defun([_LT_PATH_MANIFEST_TOOL],
+[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :)
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool],
+ [lt_cv_path_mainfest_tool=no
+ echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD
+ $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+ lt_cv_path_mainfest_tool=yes
+ fi
+ rm -f conftest*])
+if test "x$lt_cv_path_mainfest_tool" != xyes; then
+ MANIFEST_TOOL=:
+fi
+_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl
+])# _LT_PATH_MANIFEST_TOOL
+
+
+# LT_LIB_M
+# --------
+# check for math library
+AC_DEFUN([LT_LIB_M],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case $host in
+*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*)
+ # These system don't have libm, or don't need it
+ ;;
+*-ncr-sysv4.3*)
+ AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
+ AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm")
+ ;;
+*)
+ AC_CHECK_LIB(m, cos, LIBM="-lm")
+ ;;
+esac
+AC_SUBST([LIBM])
+])# LT_LIB_M
+
+# Old name:
+AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_CHECK_LIBM], [])
+
+
+# _LT_COMPILER_NO_RTTI([TAGNAME])
+# -------------------------------
+m4_defun([_LT_COMPILER_NO_RTTI],
+[m4_require([_LT_TAG_COMPILER])dnl
+
+_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+
+if test "$GCC" = yes; then
+ case $cc_basename in
+ nvcc*)
+ _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;;
+ esac
+
+ _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
+ lt_cv_prog_compiler_rtti_exceptions,
+ [-fno-rtti -fno-exceptions], [],
+ [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
+fi
+_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1],
+ [Compiler flag to turn off builtin functions])
+])# _LT_COMPILER_NO_RTTI
+
+
+# _LT_CMD_GLOBAL_SYMBOLS
+# ----------------------
+m4_defun([_LT_CMD_GLOBAL_SYMBOLS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_PROG_AWK])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+AC_REQUIRE([LT_PATH_LD])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+AC_MSG_CHECKING([command to parse $NM output from $compiler object])
+AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
+[
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix. What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[[BCDEGRST]]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+ symcode='[[BCDT]]'
+ ;;
+cygwin* | mingw* | pw32* | cegcc*)
+ symcode='[[ABCDGISTW]]'
+ ;;
+hpux*)
+ if test "$host_cpu" = ia64; then
+ symcode='[[ABCDEGRST]]'
+ fi
+ ;;
+irix* | nonstopux*)
+ symcode='[[BCDEGRST]]'
+ ;;
+osf*)
+ symcode='[[BCDEGQRST]]'
+ ;;
+solaris*)
+ symcode='[[BDRT]]'
+ ;;
+sco3.2v5*)
+ symcode='[[DT]]'
+ ;;
+sysv4.2uw2*)
+ symcode='[[DT]]'
+ ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+ symcode='[[ABDT]]'
+ ;;
+sysv4)
+ symcode='[[DFNSTU]]'
+ ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+ symcode='[[ABCDGIRSTW]]' ;;
+esac
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'"
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+ opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+ ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+ # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+ symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+ # Write the raw and C identifiers.
+ if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+ # Fake it for dumpbin and say T for any non-static function
+ # and D for any global variable.
+ # Also find C++ and __fastcall symbols from MSVC++,
+ # which start with @ or ?.
+ lt_cv_sys_global_symbol_pipe="$AWK ['"\
+" {last_section=section; section=\$ 3};"\
+" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+" \$ 0!~/External *\|/{next};"\
+" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+" {if(hide[section]) next};"\
+" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
+" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
+" s[1]~/^[@?]/{print s[1], s[1]; next};"\
+" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
+" ' prfx=^$ac_symprfx]"
+ else
+ lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+ fi
+ lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
+
+ # Check to see that the pipe works correctly.
+ pipe_works=no
+
+ rm -f conftest*
+ cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+ if AC_TRY_EVAL(ac_compile); then
+ # Now try to grab the symbols.
+ nlist=conftest.nm
+ if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
+ # Try sorting and uniquifying the output.
+ if sort "$nlist" | uniq > "$nlist"T; then
+ mv -f "$nlist"T "$nlist"
+ else
+ rm -f "$nlist"T
+ fi
+
+ # Make sure that we snagged all the symbols we need.
+ if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+ if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+ cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+ relocations are performed -- see ld's documentation on pseudo-relocs. */
+# define LT@&t@_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data. */
+# define LT@&t@_DLSYM_CONST
+#else
+# define LT@&t@_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+ # Now generate the symbol file.
+ eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+ cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols. */
+LT@&t@_DLSYM_CONST struct {
+ const char *name;
+ void *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[[]] =
+{
+ { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+ $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+ cat <<\_LT_EOF >> conftest.$ac_ext
+ {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+ return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+ # Now try linking the two files.
+ mv conftest.$ac_objext conftstm.$ac_objext
+ lt_globsym_save_LIBS=$LIBS
+ lt_globsym_save_CFLAGS=$CFLAGS
+ LIBS="conftstm.$ac_objext"
+ CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
+ if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
+ pipe_works=yes
+ fi
+ LIBS=$lt_globsym_save_LIBS
+ CFLAGS=$lt_globsym_save_CFLAGS
+ else
+ echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
+ fi
+ else
+ echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
+ fi
+ else
+ echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
+ fi
+ else
+ echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
+ cat conftest.$ac_ext >&5
+ fi
+ rm -rf conftest* conftst*
+
+ # Do not use the global_symbol_pipe unless it works.
+ if test "$pipe_works" = yes; then
+ break
+ else
+ lt_cv_sys_global_symbol_pipe=
+ fi
+done
+])
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+ lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+ AC_MSG_RESULT(failed)
+else
+ AC_MSG_RESULT(ok)
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+ nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then
+ nm_file_list_spec='@'
+fi
+
+_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
+ [Take the output of nm and produce a listing of raw symbols and C names])
+_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
+ [Transform the output of nm in a proper C declaration])
+_LT_DECL([global_symbol_to_c_name_address],
+ [lt_cv_sys_global_symbol_to_c_name_address], [1],
+ [Transform the output of nm in a C name address pair])
+_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
+ [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
+ [Transform the output of nm in a C name address pair when lib prefix is needed])
+_LT_DECL([], [nm_file_list_spec], [1],
+ [Specify filename containing input files for $NM])
+]) # _LT_CMD_GLOBAL_SYMBOLS
+
+
+# _LT_COMPILER_PIC([TAGNAME])
+# ---------------------------
+m4_defun([_LT_COMPILER_PIC],
+[m4_require([_LT_TAG_COMPILER])dnl
+_LT_TAGVAR(lt_prog_compiler_wl, $1)=
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+_LT_TAGVAR(lt_prog_compiler_static, $1)=
+
+m4_if([$1], [CXX], [
+ # C++ specific cases for pic, static, wl, etc.
+ if test "$GXX" = yes; then
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ fi
+ ;;
+
+ amigaos*)
+ case $host_cpu in
+ powerpc)
+ # see comment about AmigaOS4 .so support
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ m68k)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+ ;;
+ esac
+ ;;
+
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+ mingw* | cygwin* | os2* | pw32* | cegcc*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ m4_if([$1], [GCJ], [],
+ [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+ ;;
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+ ;;
+ *djgpp*)
+ # DJGPP does not support shared libraries at all
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+ ;;
+ haiku*)
+ # PIC is the default for Haiku.
+ # The "-static" flag exists, but is broken.
+ _LT_TAGVAR(lt_prog_compiler_static, $1)=
+ ;;
+ interix[[3-9]]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+ fi
+ ;;
+ hpux*)
+ # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+ # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag
+ # sets the default TLS model and affects inlining.
+ case $host_cpu in
+ hppa*64*)
+ ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+ ;;
+ *qnx* | *nto*)
+ # QNX uses GNU C++, but need to define -shared option too, otherwise
+ # it will coredump.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+ ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+ else
+ case $host_os in
+ aix[[4-9]]*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ else
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+ chorus*)
+ case $cc_basename in
+ cxch68*)
+ # Green Hills C++ Compiler
+ # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
+ ;;
+ esac
+ ;;
+ mingw* | cygwin* | os2* | pw32* | cegcc*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ m4_if([$1], [GCJ], [],
+ [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+ ;;
+ dgux*)
+ case $cc_basename in
+ ec++*)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ ;;
+ ghcx*)
+ # Green Hills C++ Compiler
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ freebsd* | dragonfly*)
+ # FreeBSD uses GNU C++
+ ;;
+ hpux9* | hpux10* | hpux11*)
+ case $cc_basename in
+ CC*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+ if test "$host_cpu" != ia64; then
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+ fi
+ ;;
+ aCC*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+ ;;
+ esac
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ interix*)
+ # This is c89, which is MS Visual C++ (no shared libs)
+ # Anyone wants to do a port?
+ ;;
+ irix5* | irix6* | nonstopux*)
+ case $cc_basename in
+ CC*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ # CC pic flag -KPIC is the default.
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ case $cc_basename in
+ KCC*)
+ # KAI C++ Compiler
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ ecpc* )
+ # old Intel C++ for x86_64 which still supported -KPIC.
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+ ;;
+ icpc* )
+ # Intel C++, used to be incompatible with GCC.
+ # ICC 10 doesn't accept -KPIC any more.
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+ ;;
+ pgCC* | pgcpp*)
+ # Portland Group C++ compiler
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ cxx*)
+ # Compaq C++
+ # Make sure the PIC flag is empty. It appears that all Alpha
+ # Linux and Compaq Tru64 Unix objects are PIC.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+ xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*)
+ # IBM XL 8.0, 9.0 on PPC and BlueGene
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ lynxos*)
+ ;;
+ m88k*)
+ ;;
+ mvs*)
+ case $cc_basename in
+ cxx*)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ netbsd*)
+ ;;
+ *qnx* | *nto*)
+ # QNX uses GNU C++, but need to define -shared option too, otherwise
+ # it will coredump.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+ ;;
+ osf3* | osf4* | osf5*)
+ case $cc_basename in
+ KCC*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ ;;
+ cxx*)
+ # Digital/Compaq C++
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # Make sure the PIC flag is empty. It appears that all Alpha
+ # Linux and Compaq Tru64 Unix objects are PIC.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ psos*)
+ ;;
+ solaris*)
+ case $cc_basename in
+ CC* | sunCC*)
+ # Sun C++ 4.2, 5.x and Centerline C++
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+ ;;
+ gcx*)
+ # Green Hills C++ Compiler
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ sunos4*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.x
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ lcc*)
+ # Lucid
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ case $cc_basename in
+ CC*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ esac
+ ;;
+ tandem*)
+ case $cc_basename in
+ NCC*)
+ # NonStop-UX NCC 3.20
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ ;;
+ *)
+ ;;
+ esac
+ ;;
+ vxworks*)
+ ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ ;;
+ esac
+ fi
+],
+[
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ fi
+ ;;
+
+ amigaos*)
+ case $host_cpu in
+ powerpc)
+ # see comment about AmigaOS4 .so support
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ m68k)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
+ ;;
+ esac
+ ;;
+
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+
+ mingw* | cygwin* | pw32* | os2* | cegcc*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ m4_if([$1], [GCJ], [],
+ [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+ ;;
+
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
+ ;;
+
+ haiku*)
+ # PIC is the default for Haiku.
+ # The "-static" flag exists, but is broken.
+ _LT_TAGVAR(lt_prog_compiler_static, $1)=
+ ;;
+
+ hpux*)
+ # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+ # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag
+ # sets the default TLS model and affects inlining.
+ case $host_cpu in
+ hppa*64*)
+ # +Z the default
+ ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+ ;;
+
+ interix[[3-9]]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+
+ msdosdjgpp*)
+ # Just because we use GCC doesn't mean we suddenly get shared libraries
+ # on systems that don't support them.
+ _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ enable_shared=no
+ ;;
+
+ *nto* | *qnx*)
+ # QNX uses GNU C++, but need to define -shared option too, otherwise
+ # it will coredump.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
+ fi
+ ;;
+
+ *)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ ;;
+ esac
+
+ case $cc_basename in
+ nvcc*) # Cuda Compiler Driver 2.2
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker '
+ if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)"
+ fi
+ ;;
+ esac
+ else
+ # PORTME Check for flag to pass linker flags through the system compiler.
+ case $host_os in
+ aix*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ else
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+
+ mingw* | cygwin* | pw32* | os2* | cegcc*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ m4_if([$1], [GCJ], [],
+ [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'])
+ ;;
+
+ hpux9* | hpux10* | hpux11*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
+ ;;
+ esac
+ # Is there a better lt_prog_compiler_static that works with the bundled CC?
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # PIC (with -KPIC) is the default.
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ case $cc_basename in
+ # old Intel for x86_64 which still supported -KPIC.
+ ecc*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+ ;;
+ # icc used to be incompatible with GCC.
+ # ICC 10 doesn't accept -KPIC any more.
+ icc* | ifort*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+ ;;
+ # Lahey Fortran 8.1.
+ lf95*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
+ ;;
+ nagfor*)
+ # NAG Fortran compiler
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+ # Portland Group compilers (*not* the Pentium gcc compiler,
+ # which looks to be a dead project)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ ccc*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # All Alpha code is PIC.
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+ xl* | bgxl* | bgf* | mpixl*)
+ # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*)
+ # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)=''
+ ;;
+ *Sun\ F* | *Sun*Fortran*)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+ ;;
+ *Sun\ C*)
+ # Sun C 5.9
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ ;;
+ *Intel*\ [[CF]]*Compiler*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+ ;;
+ *Portland\ Group*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+
+ newsos6)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ *nto* | *qnx*)
+ # QNX uses GNU C++, but need to define -shared option too, otherwise
+ # it will coredump.
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared'
+ ;;
+
+ osf3* | osf4* | osf5*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ # All OSF/1 code is PIC.
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+
+ rdos*)
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
+ ;;
+
+ solaris*)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ case $cc_basename in
+ f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';;
+ esac
+ ;;
+
+ sunos4*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ sysv4 | sysv4.2uw2* | sysv4.3*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec ;then
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ fi
+ ;;
+
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ unicos*)
+ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+ _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ ;;
+
+ uts4*)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
+ _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
+ ;;
+
+ *)
+ _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
+ ;;
+ esac
+ fi
+])
+case $host_os in
+ # For platforms which do not support PIC, -DPIC is meaningless:
+ *djgpp*)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)=
+ ;;
+ *)
+ _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])"
+ ;;
+esac
+
+AC_CACHE_CHECK([for $compiler option to produce PIC],
+ [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)],
+ [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)])
+_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then
+ _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works],
+ [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)],
+ [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [],
+ [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in
+ "" | " "*) ;;
+ *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;;
+ esac],
+ [_LT_TAGVAR(lt_prog_compiler_pic, $1)=
+ _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
+fi
+_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1],
+ [Additional compiler flags for building library objects])
+
+_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1],
+ [How to pass a linker flag through the compiler])
+#
+# Check to make sure the static flag actually works.
+#
+wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\"
+_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works],
+ _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1),
+ $lt_tmp_static_flag,
+ [],
+ [_LT_TAGVAR(lt_prog_compiler_static, $1)=])
+_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1],
+ [Compiler flag to prevent dynamic linking])
+])# _LT_COMPILER_PIC
+
+
+# _LT_LINKER_SHLIBS([TAGNAME])
+# ----------------------------
+# See if the linker supports building shared libraries.
+m4_defun([_LT_LINKER_SHLIBS],
+[AC_REQUIRE([LT_PATH_LD])dnl
+AC_REQUIRE([LT_PATH_NM])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_DECL_SED])dnl
+m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl
+m4_require([_LT_TAG_COMPILER])dnl
+AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+m4_if([$1], [CXX], [
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+ case $host_os in
+ aix[[4-9]]*)
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ # Also, AIX nm treats weak defined symbols like other global defined
+ # symbols, whereas GNU nm marks them as "W".
+ if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+ else
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+ fi
+ ;;
+ pw32*)
+ _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
+ ;;
+ cygwin* | mingw* | cegcc*)
+ case $cc_basename in
+ cl*)
+ _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+ ;;
+ *)
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+ _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+ ;;
+ esac
+ ;;
+ *)
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ ;;
+ esac
+], [
+ runpath_var=
+ _LT_TAGVAR(allow_undefined_flag, $1)=
+ _LT_TAGVAR(always_export_symbols, $1)=no
+ _LT_TAGVAR(archive_cmds, $1)=
+ _LT_TAGVAR(archive_expsym_cmds, $1)=
+ _LT_TAGVAR(compiler_needs_object, $1)=no
+ _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ _LT_TAGVAR(hardcode_automatic, $1)=no
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=
+ _LT_TAGVAR(hardcode_minus_L, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+ _LT_TAGVAR(inherit_rpath, $1)=no
+ _LT_TAGVAR(link_all_deplibs, $1)=unknown
+ _LT_TAGVAR(module_cmds, $1)=
+ _LT_TAGVAR(module_expsym_cmds, $1)=
+ _LT_TAGVAR(old_archive_from_new_cmds, $1)=
+ _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)=
+ _LT_TAGVAR(thread_safe_flag_spec, $1)=
+ _LT_TAGVAR(whole_archive_flag_spec, $1)=
+ # include_expsyms should be a list of space-separated symbols to be *always*
+ # included in the symbol list
+ _LT_TAGVAR(include_expsyms, $1)=
+ # exclude_expsyms can be an extended regexp of symbols to exclude
+ # it will be wrapped by ` (' and `)$', so one must not match beginning or
+ # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+ # as well as any symbol that contains `d'.
+ _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*']
+ # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+ # platforms (ab)use it in PIC code, but their linkers get confused if
+ # the symbol is explicitly referenced. Since portable code cannot
+ # rely on this symbol name, it's probably fine to never include it in
+ # preloaded symbol tables.
+ # Exclude shared library initialization/finalization symbols.
+dnl Note also adjust exclude_expsyms for C++ above.
+ extract_expsyms_cmds=
+
+ case $host_os in
+ cygwin* | mingw* | pw32* | cegcc*)
+ # FIXME: the MSVC++ port hasn't been tested in a loooong time
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ if test "$GCC" != yes; then
+ with_gnu_ld=no
+ fi
+ ;;
+ interix*)
+ # we just hope/assume this is gcc and not c89 (= MSVC++)
+ with_gnu_ld=yes
+ ;;
+ openbsd*)
+ with_gnu_ld=no
+ ;;
+ esac
+
+ _LT_TAGVAR(ld_shlibs, $1)=yes
+
+ # On some targets, GNU ld is compatible enough with the native linker
+ # that we're better off using the native interface for both.
+ lt_use_gnu_ld_interface=no
+ if test "$with_gnu_ld" = yes; then
+ case $host_os in
+ aix*)
+ # The AIX port of GNU ld has always aspired to compatibility
+ # with the native linker. However, as the warning in the GNU ld
+ # block says, versions before 2.19.5* couldn't really create working
+ # shared libraries, regardless of the interface used.
+ case `$LD -v 2>&1` in
+ *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+ *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;;
+ *\ \(GNU\ Binutils\)\ [[3-9]]*) ;;
+ *)
+ lt_use_gnu_ld_interface=yes
+ ;;
+ esac
+ ;;
+ *)
+ lt_use_gnu_ld_interface=yes
+ ;;
+ esac
+ fi
+
+ if test "$lt_use_gnu_ld_interface" = yes; then
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ wlarc='${wl}'
+
+ # Set some defaults for GNU ld with shared library support. These
+ # are reset later if shared libraries are not supported. Putting them
+ # here allows them to be overridden if necessary.
+ runpath_var=LD_RUN_PATH
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+ _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ _LT_TAGVAR(whole_archive_flag_spec, $1)=
+ fi
+ supports_anon_versioning=no
+ case `$LD -v 2>&1` in
+ *GNU\ gold*) supports_anon_versioning=yes ;;
+ *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11
+ *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+ *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+ *\ 2.11.*) ;; # other 2.11 versions
+ *) supports_anon_versioning=yes ;;
+ esac
+
+ # See if GNU ld supports shared libraries.
+ case $host_os in
+ aix[[3-9]]*)
+ # On AIX/PPC, the GNU linker is very broken
+ if test "$host_cpu" != ia64; then
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support. If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+ fi
+ ;;
+
+ amigaos*)
+ case $host_cpu in
+ powerpc)
+ # see comment about AmigaOS4 .so support
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)=''
+ ;;
+ m68k)
+ _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ ;;
+ esac
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ cygwin* | mingw* | pw32* | cegcc*)
+ # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+ # as there is no search path for DLLs.
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols'
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_TAGVAR(always_export_symbols, $1)=no
+ _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
+ _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname']
+
+ if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ haiku*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+
+ interix[[3-9]]*)
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+
+ gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+ tmp_diet=no
+ if test "$host_os" = linux-dietlibc; then
+ case $cc_basename in
+ diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn)
+ esac
+ fi
+ if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+ && test "$tmp_diet" = no
+ then
+ tmp_addflag=' $pic_flag'
+ tmp_sharedflag='-shared'
+ case $cc_basename,$host_cpu in
+ pgcc*) # Portland Group C compiler
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag'
+ ;;
+ pgf77* | pgf90* | pgf95* | pgfortran*)
+ # Portland Group f77 and f90 compilers
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag -Mnomain' ;;
+ ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
+ tmp_addflag=' -i_dynamic' ;;
+ efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
+ tmp_addflag=' -i_dynamic -nofor_main' ;;
+ ifc* | ifort*) # Intel Fortran compiler
+ tmp_addflag=' -nofor_main' ;;
+ lf95*) # Lahey Fortran 8.1
+ _LT_TAGVAR(whole_archive_flag_spec, $1)=
+ tmp_sharedflag='--shared' ;;
+ xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+ tmp_sharedflag='-qmkshrobj'
+ tmp_addflag= ;;
+ nvcc*) # Cuda Compiler Driver 2.2
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ _LT_TAGVAR(compiler_needs_object, $1)=yes
+ ;;
+ esac
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*) # Sun C 5.9
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ _LT_TAGVAR(compiler_needs_object, $1)=yes
+ tmp_sharedflag='-G' ;;
+ *Sun\ F*) # Sun Fortran 8.3
+ tmp_sharedflag='-G' ;;
+ esac
+ _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+ if test "x$supports_anon_versioning" = xyes; then
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ echo "local: *; };" >> $output_objdir/$libname.ver~
+ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+ fi
+
+ case $cc_basename in
+ xlf* | bgf* | bgxlf* | mpixlf*)
+ # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+ if test "x$supports_anon_versioning" = xyes; then
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ echo "local: *; };" >> $output_objdir/$libname.ver~
+ $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+ fi
+ ;;
+ esac
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ netbsd*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+ wlarc=
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ fi
+ ;;
+
+ solaris*)
+ if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+ case `$LD -v 2>&1` in
+ *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*)
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ ;;
+ *)
+ # For security reasons, it is highly recommended that you always
+ # use absolute paths for naming shared libraries, and exclude the
+ # DT_RUNPATH tag from executables and libraries. But doing so
+ # requires that you compile everything twice, which is a pain.
+ if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+
+ sunos4*)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ wlarc=
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ *)
+ if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+
+ if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then
+ runpath_var=
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)=
+ _LT_TAGVAR(whole_archive_flag_spec, $1)=
+ fi
+ else
+ # PORTME fill in a description of your system's linker (not GNU ld)
+ case $host_os in
+ aix3*)
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_TAGVAR(always_export_symbols, $1)=yes
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+ # Note: this linker hardcodes the directories in LIBPATH if there
+ # are no directories specified by -L.
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+ # Neither direct hardcoding nor static linking is supported with a
+ # broken collect2.
+ _LT_TAGVAR(hardcode_direct, $1)=unsupported
+ fi
+ ;;
+
+ aix[[4-9]]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ # Also, AIX nm treats weak defined symbols like other global
+ # defined symbols, whereas GNU nm marks them as "W".
+ if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+ else
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+ fi
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+ for ld_flag in $LDFLAGS; do
+ if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+ aix_use_runtimelinking=yes
+ break
+ fi
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ _LT_TAGVAR(archive_cmds, $1)=''
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
+
+ if test "$GCC" = yes; then
+ case $host_os in aix4.[[012]]|aix4.[[012]].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" &&
+ strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ _LT_TAGVAR(hardcode_direct, $1)=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall'
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ _LT_TAGVAR(always_export_symbols, $1)=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ _LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+ # Determine the default libpath from the value encoded in an
+ # empty executable.
+ _LT_SYS_MODULE_PATH_AIX([$1])
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+ _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+ _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an
+ # empty executable.
+ _LT_SYS_MODULE_PATH_AIX([$1])
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+ _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+ if test "$with_gnu_ld" = yes; then
+ # We only use this code for GNU lds that support --whole-archive.
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+ else
+ # Exported symbols can be pulled into shared objects from archives
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+ fi
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ amigaos*)
+ case $host_cpu in
+ powerpc)
+ # see comment about AmigaOS4 .so support
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)=''
+ ;;
+ m68k)
+ _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ ;;
+ esac
+ ;;
+
+ bsdi[[45]]*)
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
+ ;;
+
+ cygwin* | mingw* | pw32* | cegcc*)
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ # hardcode_libdir_flag_spec is actually meaningless, as there is
+ # no search path for DLLs.
+ case $cc_basename in
+ cl*)
+ # Native MSVC
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_TAGVAR(always_export_symbols, $1)=yes
+ _LT_TAGVAR(file_list_spec, $1)='@'
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames='
+ _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp;
+ else
+ sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp;
+ fi~
+ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+ linknames='
+ # The linker will not automatically build a static lib if we build a DLL.
+ # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+ _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+ _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+ _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols'
+ # Don't use ranlib
+ _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+ _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+ lt_tool_outputfile="@TOOL_OUTPUT@"~
+ case $lt_outputfile in
+ *.exe|*.EXE) ;;
+ *)
+ lt_outputfile="$lt_outputfile.exe"
+ lt_tool_outputfile="$lt_tool_outputfile.exe"
+ ;;
+ esac~
+ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then
+ $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+ $RM "$lt_outputfile.manifest";
+ fi'
+ ;;
+ *)
+ # Assume MSVC wrapper
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+ # The linker will automatically build a .lib file if we build a DLL.
+ _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+ # FIXME: Should let the user specify the lib program.
+ _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs'
+ _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+ ;;
+ esac
+ ;;
+
+ darwin* | rhapsody*)
+ _LT_DARWIN_LINKER_FEATURES($1)
+ ;;
+
+ dgux*)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+ # support. Future versions do this automatically, but an explicit c++rt0.o
+ # does not break anything, and helps significantly (at the cost of a little
+ # extra space).
+ freebsd2.2*)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+ freebsd2.*)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+ freebsd* | dragonfly*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ hpux9*)
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ fi
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ ;;
+
+ hpux10*)
+ if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ if test "$with_gnu_ld" = no; then
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ fi
+ ;;
+
+ hpux11*)
+ if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+ case $host_cpu in
+ hppa*64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ else
+ case $host_cpu in
+ hppa*64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ m4_if($1, [], [
+ # Older versions of the 11.00 compiler do not understand -b yet
+ # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+ _LT_LINKER_OPTION([if $CC understands -b],
+ _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b],
+ [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'],
+ [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])],
+ [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'])
+ ;;
+ esac
+ fi
+ if test "$with_gnu_ld" = no; then
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ case $host_cpu in
+ hppa*64*|ia64*)
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+ *)
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ ;;
+ esac
+ fi
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ # Try to use the -exported_symbol ld option, if it does not
+ # work, assume that -exports_file does not work either and
+ # implicitly export all symbols.
+ # This should be the same for all languages, so no per-tag cache variable.
+ AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol],
+ [lt_cv_irix_exported_symbol],
+ [save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+ AC_LINK_IFELSE(
+ [AC_LANG_SOURCE(
+ [AC_LANG_CASE([C], [[int foo (void) { return 0; }]],
+ [C++], [[int foo (void) { return 0; }]],
+ [Fortran 77], [[
+ subroutine foo
+ end]],
+ [Fortran], [[
+ subroutine foo
+ end]])])],
+ [lt_cv_irix_exported_symbol=yes],
+ [lt_cv_irix_exported_symbol=no])
+ LDFLAGS="$save_LDFLAGS"])
+ if test "$lt_cv_irix_exported_symbol" = yes; then
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+ fi
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+ fi
+ _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_TAGVAR(inherit_rpath, $1)=yes
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+
+ netbsd*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
+ fi
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ newsos6)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ *nto* | *qnx*)
+ ;;
+
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+ if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ else
+ case $host_os in
+ openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ ;;
+ *)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ ;;
+ esac
+ fi
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ os2*)
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+ _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+ ;;
+
+ osf3*)
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ fi
+ _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ ;;
+
+ osf4* | osf5*) # as osf3* with the addition of -msym flag
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ else
+ _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+ # Both c and cxx compiler support -rpath directly
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+ fi
+ _LT_TAGVAR(archive_cmds_need_lc, $1)='no'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ ;;
+
+ solaris*)
+ _LT_TAGVAR(no_undefined_flag, $1)=' -z defs'
+ if test "$GCC" = yes; then
+ wlarc='${wl}'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+ else
+ case `$CC -V 2>&1` in
+ *"Compilers 5.0"*)
+ wlarc=''
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+ ;;
+ *)
+ wlarc='${wl}'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+ ;;
+ esac
+ fi
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ case $host_os in
+ solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'. GCC discards it without `$wl',
+ # but is careful enough not to reorder.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ else
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+ fi
+ ;;
+ esac
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+
+ sunos4*)
+ if test "x$host_vendor" = xsequent; then
+ # Use $CC to link under sequent, because it throws in some extra .o
+ # files that make .init and .fini sections work.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ sysv4)
+ case $host_vendor in
+ sni)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true???
+ ;;
+ siemens)
+ ## LD is ld it makes a PLAMLIB
+ ## CC just makes a GrossModule.
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs'
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ ;;
+ motorola)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
+ ;;
+ esac
+ runpath_var='LD_RUN_PATH'
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ sysv4.3*)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ runpath_var=LD_RUN_PATH
+ hardcode_runpath_var=yes
+ _LT_TAGVAR(ld_shlibs, $1)=yes
+ fi
+ ;;
+
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+ _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ uts4*)
+ _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+
+ *)
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+
+ if test x$host_vendor = xsni; then
+ case $host in
+ sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym'
+ ;;
+ esac
+ fi
+ fi
+])
+AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld
+
+_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl
+_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl
+_LT_DECL([], [extract_expsyms_cmds], [2],
+ [The commands to extract the exported symbol list from a shared archive])
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in
+x|xyes)
+ # Assume -lc should be added
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+
+ if test "$enable_shared" = yes && test "$GCC" = yes; then
+ case $_LT_TAGVAR(archive_cmds, $1) in
+ *'~'*)
+ # FIXME: we may have to deal with multi-command sequences.
+ ;;
+ '$CC '*)
+ # Test whether the compiler implicitly links with -lc since on some
+ # systems, -lgcc has to come before -lc. If gcc already passes -lc
+ # to ld, don't add -lc before -lgcc.
+ AC_CACHE_CHECK([whether -lc should be explicitly linked in],
+ [lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1),
+ [$RM conftest*
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
+ soname=conftest
+ lib=conftest
+ libobjs=conftest.$ac_objext
+ deplibs=
+ wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1)
+ pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1)
+ compiler_flags=-v
+ linker_flags=-v
+ verstring=
+ output_objdir=.
+ libname=conftest
+ lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1)
+ _LT_TAGVAR(allow_undefined_flag, $1)=
+ if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1)
+ then
+ lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ else
+ lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+ fi
+ _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
+ else
+ cat conftest.err 1>&5
+ fi
+ $RM conftest*
+ ])
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0],
+ [Whether or not to add -lc for building shared libraries])
+_LT_TAGDECL([allow_libtool_libs_with_static_runtimes],
+ [enable_shared_with_static_runtimes], [0],
+ [Whether or not to disallow shared libs when runtime libs are static])
+_LT_TAGDECL([], [export_dynamic_flag_spec], [1],
+ [Compiler flag to allow reflexive dlopens])
+_LT_TAGDECL([], [whole_archive_flag_spec], [1],
+ [Compiler flag to generate shared objects directly from archives])
+_LT_TAGDECL([], [compiler_needs_object], [1],
+ [Whether the compiler copes with passing no objects directly])
+_LT_TAGDECL([], [old_archive_from_new_cmds], [2],
+ [Create an old-style archive from a shared archive])
+_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2],
+ [Create a temporary old-style archive to link instead of a shared archive])
+_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive])
+_LT_TAGDECL([], [archive_expsym_cmds], [2])
+_LT_TAGDECL([], [module_cmds], [2],
+ [Commands used to build a loadable module if different from building
+ a shared archive.])
+_LT_TAGDECL([], [module_expsym_cmds], [2])
+_LT_TAGDECL([], [with_gnu_ld], [1],
+ [Whether we are building with GNU ld or not])
+_LT_TAGDECL([], [allow_undefined_flag], [1],
+ [Flag that allows shared libraries with undefined symbols to be built])
+_LT_TAGDECL([], [no_undefined_flag], [1],
+ [Flag that enforces no undefined symbols])
+_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1],
+ [Flag to hardcode $libdir into a binary during linking.
+ This must work even if $libdir does not exist])
+_LT_TAGDECL([], [hardcode_libdir_separator], [1],
+ [Whether we need a single "-rpath" flag with a separated argument])
+_LT_TAGDECL([], [hardcode_direct], [0],
+ [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+ DIR into the resulting binary])
+_LT_TAGDECL([], [hardcode_direct_absolute], [0],
+ [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+ DIR into the resulting binary and the resulting library dependency is
+ "absolute", i.e impossible to change by setting ${shlibpath_var} if the
+ library is relocated])
+_LT_TAGDECL([], [hardcode_minus_L], [0],
+ [Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+ into the resulting binary])
+_LT_TAGDECL([], [hardcode_shlibpath_var], [0],
+ [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+ into the resulting binary])
+_LT_TAGDECL([], [hardcode_automatic], [0],
+ [Set to "yes" if building a shared library automatically hardcodes DIR
+ into the library and all subsequent libraries and executables linked
+ against it])
+_LT_TAGDECL([], [inherit_rpath], [0],
+ [Set to yes if linker adds runtime paths of dependent libraries
+ to runtime path list])
+_LT_TAGDECL([], [link_all_deplibs], [0],
+ [Whether libtool must link a program against all its dependency libraries])
+_LT_TAGDECL([], [always_export_symbols], [0],
+ [Set to "yes" if exported symbols are required])
+_LT_TAGDECL([], [export_symbols_cmds], [2],
+ [The commands to list exported symbols])
+_LT_TAGDECL([], [exclude_expsyms], [1],
+ [Symbols that should not be listed in the preloaded symbols])
+_LT_TAGDECL([], [include_expsyms], [1],
+ [Symbols that must always be exported])
+_LT_TAGDECL([], [prelink_cmds], [2],
+ [Commands necessary for linking programs (against libraries) with templates])
+_LT_TAGDECL([], [postlink_cmds], [2],
+ [Commands necessary for finishing linking programs])
+_LT_TAGDECL([], [file_list_spec], [1],
+ [Specify filename containing input files])
+dnl FIXME: Not yet implemented
+dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1],
+dnl [Compiler flag to generate thread safe objects])
+])# _LT_LINKER_SHLIBS
+
+
+# _LT_LANG_C_CONFIG([TAG])
+# ------------------------
+# Ensure that the configuration variables for a C compiler are suitably
+# defined. These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_C_CONFIG],
+[m4_require([_LT_DECL_EGREP])dnl
+lt_save_CC="$CC"
+AC_LANG_PUSH(C)
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+_LT_TAG_COMPILER
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+if test -n "$compiler"; then
+ _LT_COMPILER_NO_RTTI($1)
+ _LT_COMPILER_PIC($1)
+ _LT_COMPILER_C_O($1)
+ _LT_COMPILER_FILE_LOCKS($1)
+ _LT_LINKER_SHLIBS($1)
+ _LT_SYS_DYNAMIC_LINKER($1)
+ _LT_LINKER_HARDCODE_LIBPATH($1)
+ LT_SYS_DLOPEN_SELF
+ _LT_CMD_STRIPLIB
+
+ # Report which library types will actually be built
+ AC_MSG_CHECKING([if libtool supports shared libraries])
+ AC_MSG_RESULT([$can_build_shared])
+
+ AC_MSG_CHECKING([whether to build shared libraries])
+ test "$can_build_shared" = "no" && enable_shared=no
+
+ # On AIX, shared libraries and static libraries use the same namespace, and
+ # are all built from PIC.
+ case $host_os in
+ aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+
+ aix[[4-9]]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+ esac
+ AC_MSG_RESULT([$enable_shared])
+
+ AC_MSG_CHECKING([whether to build static libraries])
+ # Make sure either enable_shared or enable_static is yes.
+ test "$enable_shared" = yes || enable_static=yes
+ AC_MSG_RESULT([$enable_static])
+
+ _LT_CONFIG($1)
+fi
+AC_LANG_POP
+CC="$lt_save_CC"
+])# _LT_LANG_C_CONFIG
+
+
+# _LT_LANG_CXX_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a C++ compiler are suitably
+# defined. These variables are subsequently used by _LT_CONFIG to write
+# the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_CXX_CONFIG],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_EGREP])dnl
+m4_require([_LT_PATH_MANIFEST_TOOL])dnl
+if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
+ ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
+ (test "X$CXX" != "Xg++"))) ; then
+ AC_PROG_CXXCPP
+else
+ _lt_caught_CXX_error=yes
+fi
+
+AC_LANG_PUSH(C++)
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(compiler_needs_object, $1)=no
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for C++ test sources.
+ac_ext=cpp
+
+# Object file extension for compiled C++ test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the CXX compiler isn't working. Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_caught_CXX_error" != yes; then
+ # Code to be used in simple compile tests
+ lt_simple_compile_test_code="int some_variable = 0;"
+
+ # Code to be used in simple link tests
+ lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }'
+
+ # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+ _LT_TAG_COMPILER
+
+ # save warnings/boilerplate of simple test code
+ _LT_COMPILER_BOILERPLATE
+ _LT_LINKER_BOILERPLATE
+
+ # Allow CC to be a program name with arguments.
+ lt_save_CC=$CC
+ lt_save_CFLAGS=$CFLAGS
+ lt_save_LD=$LD
+ lt_save_GCC=$GCC
+ GCC=$GXX
+ lt_save_with_gnu_ld=$with_gnu_ld
+ lt_save_path_LD=$lt_cv_path_LD
+ if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then
+ lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx
+ else
+ $as_unset lt_cv_prog_gnu_ld
+ fi
+ if test -n "${lt_cv_path_LDCXX+set}"; then
+ lt_cv_path_LD=$lt_cv_path_LDCXX
+ else
+ $as_unset lt_cv_path_LD
+ fi
+ test -z "${LDCXX+set}" || LD=$LDCXX
+ CC=${CXX-"c++"}
+ CFLAGS=$CXXFLAGS
+ compiler=$CC
+ _LT_TAGVAR(compiler, $1)=$CC
+ _LT_CC_BASENAME([$compiler])
+
+ if test -n "$compiler"; then
+ # We don't want -fno-exception when compiling C++ code, so set the
+ # no_builtin_flag separately
+ if test "$GXX" = yes; then
+ _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
+ else
+ _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
+ fi
+
+ if test "$GXX" = yes; then
+ # Set up default GNU C++ configuration
+
+ LT_PATH_LD
+
+ # Check if GNU C++ uses GNU ld as the underlying linker, since the
+ # archiving commands below assume that GNU ld is being used.
+ if test "$with_gnu_ld" = yes; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
+ # investigate it a little bit more. (MM)
+ wlarc='${wl}'
+
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if eval "`$CC -print-prog-name=ld` --help 2>&1" |
+ $GREP 'no-whole-archive' > /dev/null; then
+ _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ _LT_TAGVAR(whole_archive_flag_spec, $1)=
+ fi
+ else
+ with_gnu_ld=no
+ wlarc=
+
+ # A generic and very simple default shared library creation
+ # command for GNU C++ for the case where it uses the native
+ # linker, instead of GNU ld. If possible, this setting should
+ # overridden to take advantage of the native linker features on
+ # the platform it is being used on.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+ fi
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+ else
+ GXX=no
+ with_gnu_ld=no
+ wlarc=
+ fi
+
+ # PORTME: fill in a description of your system's C++ link characteristics
+ AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
+ _LT_TAGVAR(ld_shlibs, $1)=yes
+ case $host_os in
+ aix3*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ aix[[4-9]]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
+ for ld_flag in $LDFLAGS; do
+ case $ld_flag in
+ *-brtl*)
+ aix_use_runtimelinking=yes
+ break
+ ;;
+ esac
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ _LT_TAGVAR(archive_cmds, $1)=''
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_TAGVAR(file_list_spec, $1)='${wl}-f,'
+
+ if test "$GXX" = yes; then
+ case $host_os in aix4.[[012]]|aix4.[[012]].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" &&
+ strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ _LT_TAGVAR(hardcode_direct, $1)=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=
+ fi
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall'
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to
+ # export.
+ _LT_TAGVAR(always_export_symbols, $1)=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ _LT_TAGVAR(allow_undefined_flag, $1)='-berok'
+ # Determine the default libpath from the value encoded in an empty
+ # executable.
+ _LT_SYS_MODULE_PATH_AIX([$1])
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
+ _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
+ _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an
+ # empty executable.
+ _LT_SYS_MODULE_PATH_AIX([$1])
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
+ _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
+ if test "$with_gnu_ld" = yes; then
+ # We only use this code for GNU lds that support --whole-archive.
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+ else
+ # Exported symbols can be pulled into shared objects from archives
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience'
+ fi
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=yes
+ # This is similar to how AIX traditionally builds its shared
+ # libraries.
+ _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ chorus*)
+ case $cc_basename in
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+
+ cygwin* | mingw* | pw32* | cegcc*)
+ case $GXX,$cc_basename in
+ ,cl* | no,cl*)
+ # Native MSVC
+ # hardcode_libdir_flag_spec is actually meaningless, as there is
+ # no search path for DLLs.
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_TAGVAR(always_export_symbols, $1)=yes
+ _LT_TAGVAR(file_list_spec, $1)='@'
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames='
+ _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ $SED -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp;
+ else
+ $SED -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp;
+ fi~
+ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+ linknames='
+ # The linker will not automatically build a static lib if we build a DLL.
+ # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true'
+ _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+ # Don't use ranlib
+ _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib'
+ _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~
+ lt_tool_outputfile="@TOOL_OUTPUT@"~
+ case $lt_outputfile in
+ *.exe|*.EXE) ;;
+ *)
+ lt_outputfile="$lt_outputfile.exe"
+ lt_tool_outputfile="$lt_tool_outputfile.exe"
+ ;;
+ esac~
+ func_to_tool_file "$lt_outputfile"~
+ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then
+ $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+ $RM "$lt_outputfile.manifest";
+ fi'
+ ;;
+ *)
+ # g++
+ # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
+ # as there is no search path for DLLs.
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols'
+ _LT_TAGVAR(allow_undefined_flag, $1)=unsupported
+ _LT_TAGVAR(always_export_symbols, $1)=no
+ _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes
+
+ if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+ darwin* | rhapsody*)
+ _LT_DARWIN_LINKER_FEATURES($1)
+ ;;
+
+ dgux*)
+ case $cc_basename in
+ ec++*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ ghcx*)
+ # Green Hills C++ Compiler
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+
+ freebsd2.*)
+ # C++ shared libraries reported to be fairly broken before
+ # switch to ELF
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ freebsd-elf*)
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ ;;
+
+ freebsd* | dragonfly*)
+ # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
+ # conventions
+ _LT_TAGVAR(ld_shlibs, $1)=yes
+ ;;
+
+ gnu*)
+ ;;
+
+ haiku*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+
+ hpux9*)
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+ # but as the default
+ # location of the library.
+
+ case $cc_basename in
+ CC*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ aCC*)
+ _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+
+ hpux10*|hpux11*)
+ if test $with_gnu_ld = no; then
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ case $host_cpu in
+ hppa*64*|ia64*)
+ ;;
+ *)
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ ;;
+ esac
+ fi
+ case $host_cpu in
+ hppa*64*|ia64*)
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ ;;
+ *)
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+ _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
+ # but as the default
+ # location of the library.
+ ;;
+ esac
+
+ case $cc_basename in
+ CC*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ aCC*)
+ case $host_cpu in
+ hppa*64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ ia64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ *)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ esac
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ if test $with_gnu_ld = no; then
+ case $host_cpu in
+ hppa*64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ ia64*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ *)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ ;;
+ esac
+ fi
+ else
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+
+ interix[[3-9]]*)
+ _LT_TAGVAR(hardcode_direct, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+ irix5* | irix6*)
+ case $cc_basename in
+ CC*)
+ # SGI C++
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+
+ # Archives containing C++ object files must be created using
+ # "CC -ar", where "CC" is the IRIX C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
+ ;;
+ *)
+ if test "$GXX" = yes; then
+ if test "$with_gnu_ld" = no; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` -o $lib'
+ fi
+ fi
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ ;;
+ esac
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+ _LT_TAGVAR(inherit_rpath, $1)=yes
+ ;;
+
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+
+ # Archives containing C++ object files must be created using
+ # "CC -Bstatic", where "CC" is the KAI C++ compiler.
+ _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
+ ;;
+ icpc* | ecpc* )
+ # Intel C++
+ with_gnu_ld=yes
+ # version 8.0 and above of icpc choke on multiply defined symbols
+ # if we add $predep_objects and $postdep_objects, however 7.1 and
+ # earlier do not add the objects themselves.
+ case `$CC -V 2>&1` in
+ *"Version 7."*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ ;;
+ *) # Version 8.0 or newer
+ tmp_idyn=
+ case $host_cpu in
+ ia64*) tmp_idyn=' -i_dynamic';;
+ esac
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ ;;
+ esac
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+ ;;
+ pgCC* | pgcpp*)
+ # Portland Group C++ compiler
+ case `$CC -V` in
+ *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*)
+ _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~
+ rm -rf $tpldir~
+ $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~
+ compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"'
+ _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~
+ rm -rf $tpldir~
+ $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~
+ $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~
+ $RANLIB $oldlib'
+ _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~
+ rm -rf $tpldir~
+ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~
+ rm -rf $tpldir~
+ $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~
+ $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+ ;;
+ *) # Version 6 and above use weak symbols
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib'
+ ;;
+ esac
+
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ ;;
+ cxx*)
+ # Compaq C++
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
+
+ runpath_var=LD_RUN_PATH
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed'
+ ;;
+ xl* | mpixl* | bgxl*)
+ # IBM XL 8.0 on PPC, with GNU ld
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ if test "x$supports_anon_versioning" = xyes; then
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ echo "local: *; };" >> $output_objdir/$libname.ver~
+ $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+ fi
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+ _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ _LT_TAGVAR(compiler_needs_object, $1)=yes
+
+ # Not sure whether something based on
+ # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1
+ # would be better.
+ output_verbose_link_cmd='func_echo_all'
+
+ # Archives containing C++ object files must be created using
+ # "CC -xar", where "CC" is the Sun C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+
+ lynxos*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ m88k*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ mvs*)
+ case $cc_basename in
+ cxx*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+
+ netbsd*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'
+ wlarc=
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ fi
+ # Workaround some broken pre-1.5 toolchains
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"'
+ ;;
+
+ *nto* | *qnx*)
+ _LT_TAGVAR(ld_shlibs, $1)=yes
+ ;;
+
+ openbsd2*)
+ # C++ shared libraries are fairly broken
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ _LT_TAGVAR(hardcode_direct, $1)=yes
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_TAGVAR(hardcode_direct_absolute, $1)=yes
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib'
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
+ _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ fi
+ output_verbose_link_cmd=func_echo_all
+ else
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+
+ osf3* | osf4* | osf5*)
+ case $cc_basename in
+ KCC*)
+ # Kuck and Associates, Inc. (KAI) C++ Compiler
+
+ # KCC will only create a shared library if the output file
+ # ends with ".so" (or ".sl" for HP-UX), so rename the library
+ # to its proper name (with version) after linking.
+ _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
+
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Archives containing C++ object files must be created using
+ # the KAI C++ compiler.
+ case $host in
+ osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;;
+ *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;;
+ esac
+ ;;
+ RCC*)
+ # Rational C++ 2.4.1
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ cxx*)
+ case $host in
+ osf3*)
+ _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ ;;
+ *)
+ _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~
+ echo "-hidden">> $lib.exp~
+ $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~
+ $RM $lib.exp'
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
+ ;;
+ esac
+
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ #
+ # There doesn't appear to be a way to prevent this compiler from
+ # explicitly linking system object files so we need to strip them
+ # from the output so that they don't get included in the library
+ # dependencies.
+ output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+ ;;
+ *)
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
+ case $host in
+ osf3*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ ;;
+ *)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ ;;
+ esac
+
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=:
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+
+ else
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ fi
+ ;;
+ esac
+ ;;
+
+ psos*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ sunos4*)
+ case $cc_basename in
+ CC*)
+ # Sun C++ 4.x
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ lcc*)
+ # Lucid
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+
+ solaris*)
+ case $cc_basename in
+ CC* | sunCC*)
+ # Sun C++ 4.2, 5.x and Centerline C++
+ _LT_TAGVAR(archive_cmds_need_lc,$1)=yes
+ _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs'
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ case $host_os in
+ solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract'
+ ;;
+ esac
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+
+ output_verbose_link_cmd='func_echo_all'
+
+ # Archives containing C++ object files must be created using
+ # "CC -xar", where "CC" is the Sun C++ compiler. This is
+ # necessary to make sure instantiated templates are included
+ # in the archive.
+ _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
+ ;;
+ gcx*)
+ # Green Hills C++ Compiler
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+
+ # The C++ compiler must be used to create the archive.
+ _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
+ ;;
+ *)
+ # GNU C++ compiler with Solaris linker
+ if test "$GXX" = yes && test "$with_gnu_ld" = no; then
+ _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
+ if $CC --version | $GREP -v '^2\.7' > /dev/null; then
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $CC -shared $pic_flag -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+ else
+ # g++ 2.7 appears to require `-G' NOT `-shared' on this
+ # platform.
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp'
+
+ # Commands to make compiler produce verbose output that lists
+ # what "hidden" libraries, object files and flags are used when
+ # linking a shared library.
+ output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+ fi
+
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
+ case $host_os in
+ solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
+ *)
+ _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ ;;
+ esac
+ fi
+ ;;
+ esac
+ ;;
+
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*)
+ _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ runpath_var='LD_RUN_PATH'
+
+ case $cc_basename in
+ CC*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text'
+ _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs'
+ _LT_TAGVAR(archive_cmds_need_lc, $1)=no
+ _LT_TAGVAR(hardcode_shlibpath_var, $1)=no
+ _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir'
+ _LT_TAGVAR(hardcode_libdir_separator, $1)=':'
+ _LT_TAGVAR(link_all_deplibs, $1)=yes
+ _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ case $cc_basename in
+ CC*)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~
+ '"$_LT_TAGVAR(old_archive_cmds, $1)"
+ _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~
+ '"$_LT_TAGVAR(reload_cmds, $1)"
+ ;;
+ *)
+ _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ ;;
+
+ tandem*)
+ case $cc_basename in
+ NCC*)
+ # NonStop-UX NCC 3.20
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+ ;;
+
+ vxworks*)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+
+ *)
+ # FIXME: insert proper C++ library support
+ _LT_TAGVAR(ld_shlibs, $1)=no
+ ;;
+ esac
+
+ AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)])
+ test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
+
+ _LT_TAGVAR(GCC, $1)="$GXX"
+ _LT_TAGVAR(LD, $1)="$LD"
+
+ ## CAVEAT EMPTOR:
+ ## There is no encapsulation within the following macros, do not change
+ ## the running order or otherwise move them around unless you know exactly
+ ## what you are doing...
+ _LT_SYS_HIDDEN_LIBDEPS($1)
+ _LT_COMPILER_PIC($1)
+ _LT_COMPILER_C_O($1)
+ _LT_COMPILER_FILE_LOCKS($1)
+ _LT_LINKER_SHLIBS($1)
+ _LT_SYS_DYNAMIC_LINKER($1)
+ _LT_LINKER_HARDCODE_LIBPATH($1)
+
+ _LT_CONFIG($1)
+ fi # test -n "$compiler"
+
+ CC=$lt_save_CC
+ CFLAGS=$lt_save_CFLAGS
+ LDCXX=$LD
+ LD=$lt_save_LD
+ GCC=$lt_save_GCC
+ with_gnu_ld=$lt_save_with_gnu_ld
+ lt_cv_path_LDCXX=$lt_cv_path_LD
+ lt_cv_path_LD=$lt_save_path_LD
+ lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
+ lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld
+fi # test "$_lt_caught_CXX_error" != yes
+
+AC_LANG_POP
+])# _LT_LANG_CXX_CONFIG
+
+
+# _LT_FUNC_STRIPNAME_CNF
+# ----------------------
+# func_stripname_cnf prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+#
+# This function is identical to the (non-XSI) version of func_stripname,
+# except this one can be used by m4 code that may be executed by configure,
+# rather than the libtool script.
+m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl
+AC_REQUIRE([_LT_DECL_SED])
+AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])
+func_stripname_cnf ()
+{
+ case ${2} in
+ .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;;
+ *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;;
+ esac
+} # func_stripname_cnf
+])# _LT_FUNC_STRIPNAME_CNF
+
+# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
+# ---------------------------------
+# Figure out "hidden" library dependencies from verbose
+# compiler output when linking a shared library.
+# Parse the compiler output and extract the necessary
+# objects, libraries and library flags.
+m4_defun([_LT_SYS_HIDDEN_LIBDEPS],
+[m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl
+# Dependencies to place before and after the object being linked:
+_LT_TAGVAR(predep_objects, $1)=
+_LT_TAGVAR(postdep_objects, $1)=
+_LT_TAGVAR(predeps, $1)=
+_LT_TAGVAR(postdeps, $1)=
+_LT_TAGVAR(compiler_lib_search_path, $1)=
+
+dnl we can't use the lt_simple_compile_test_code here,
+dnl because it contains code intended for an executable,
+dnl not a library. It's possible we should let each
+dnl tag define a new lt_????_link_test_code variable,
+dnl but it's only used here...
+m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF
+int a;
+void foo (void) { a = 0; }
+_LT_EOF
+], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF
+class Foo
+{
+public:
+ Foo (void) { a = 0; }
+private:
+ int a;
+};
+_LT_EOF
+], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF
+ subroutine foo
+ implicit none
+ integer*4 a
+ a=0
+ return
+ end
+_LT_EOF
+], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF
+ subroutine foo
+ implicit none
+ integer a
+ a=0
+ return
+ end
+_LT_EOF
+], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF
+public class foo {
+ private int a;
+ public void bar (void) {
+ a = 0;
+ }
+};
+_LT_EOF
+], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF
+package foo
+func foo() {
+}
+_LT_EOF
+])
+
+_lt_libdeps_save_CFLAGS=$CFLAGS
+case "$CC $CFLAGS " in #(
+*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;;
+*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;;
+*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;;
+esac
+
+dnl Parse the compiler output and extract the necessary
+dnl objects, libraries and library flags.
+if AC_TRY_EVAL(ac_compile); then
+ # Parse the compiler output and extract the necessary
+ # objects, libraries and library flags.
+
+ # Sentinel used to keep track of whether or not we are before
+ # the conftest object file.
+ pre_test_object_deps_done=no
+
+ for p in `eval "$output_verbose_link_cmd"`; do
+ case ${prev}${p} in
+
+ -L* | -R* | -l*)
+ # Some compilers place space between "-{L,R}" and the path.
+ # Remove the space.
+ if test $p = "-L" ||
+ test $p = "-R"; then
+ prev=$p
+ continue
+ fi
+
+ # Expand the sysroot to ease extracting the directories later.
+ if test -z "$prev"; then
+ case $p in
+ -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;;
+ -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;;
+ -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;;
+ esac
+ fi
+ case $p in
+ =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;;
+ esac
+ if test "$pre_test_object_deps_done" = no; then
+ case ${prev} in
+ -L | -R)
+ # Internal compiler library paths should come after those
+ # provided the user. The postdeps already come after the
+ # user supplied libs so there is no need to process them.
+ if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then
+ _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
+ else
+ _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
+ fi
+ ;;
+ # The "-l" case would never come before the object being
+ # linked, so don't bother handling this case.
+ esac
+ else
+ if test -z "$_LT_TAGVAR(postdeps, $1)"; then
+ _LT_TAGVAR(postdeps, $1)="${prev}${p}"
+ else
+ _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}"
+ fi
+ fi
+ prev=
+ ;;
+
+ *.lto.$objext) ;; # Ignore GCC LTO objects
+ *.$objext)
+ # This assumes that the test object file only shows up
+ # once in the compiler output.
+ if test "$p" = "conftest.$objext"; then
+ pre_test_object_deps_done=yes
+ continue
+ fi
+
+ if test "$pre_test_object_deps_done" = no; then
+ if test -z "$_LT_TAGVAR(predep_objects, $1)"; then
+ _LT_TAGVAR(predep_objects, $1)="$p"
+ else
+ _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p"
+ fi
+ else
+ if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then
+ _LT_TAGVAR(postdep_objects, $1)="$p"
+ else
+ _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p"
+ fi
+ fi
+ ;;
+
+ *) ;; # Ignore the rest.
+
+ esac
+ done
+
+ # Clean up.
+ rm -f a.out a.exe
+else
+ echo "libtool.m4: error: problem compiling $1 test program"
+fi
+
+$RM -f confest.$objext
+CFLAGS=$_lt_libdeps_save_CFLAGS
+
+# PORTME: override above test on systems where it is broken
+m4_if([$1], [CXX],
+[case $host_os in
+interix[[3-9]]*)
+ # Interix 3.5 installs completely hosed .la files for C++, so rather than
+ # hack all around it, let's just trust "g++" to DTRT.
+ _LT_TAGVAR(predep_objects,$1)=
+ _LT_TAGVAR(postdep_objects,$1)=
+ _LT_TAGVAR(postdeps,$1)=
+ ;;
+
+linux*)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*)
+ # Sun C++ 5.9
+
+ # The more standards-conforming stlport4 library is
+ # incompatible with the Cstd library. Avoid specifying
+ # it if it's in CXXFLAGS. Ignore libCrun as
+ # -library=stlport4 depends on it.
+ case " $CXX $CXXFLAGS " in
+ *" -library=stlport4 "*)
+ solaris_use_stlport4=yes
+ ;;
+ esac
+
+ if test "$solaris_use_stlport4" != yes; then
+ _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+ fi
+ ;;
+ esac
+ ;;
+
+solaris*)
+ case $cc_basename in
+ CC* | sunCC*)
+ # The more standards-conforming stlport4 library is
+ # incompatible with the Cstd library. Avoid specifying
+ # it if it's in CXXFLAGS. Ignore libCrun as
+ # -library=stlport4 depends on it.
+ case " $CXX $CXXFLAGS " in
+ *" -library=stlport4 "*)
+ solaris_use_stlport4=yes
+ ;;
+ esac
+
+ # Adding this requires a known-good setup of shared libraries for
+ # Sun compiler versions before 5.6, else PIC objects from an old
+ # archive will be linked into the output, leading to subtle bugs.
+ if test "$solaris_use_stlport4" != yes; then
+ _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun'
+ fi
+ ;;
+ esac
+ ;;
+esac
+])
+
+case " $_LT_TAGVAR(postdeps, $1) " in
+*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;;
+esac
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=
+if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then
+ _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'`
+fi
+_LT_TAGDECL([], [compiler_lib_search_dirs], [1],
+ [The directories searched by this compiler when creating a shared library])
+_LT_TAGDECL([], [predep_objects], [1],
+ [Dependencies to place before and after the objects being linked to
+ create a shared library])
+_LT_TAGDECL([], [postdep_objects], [1])
+_LT_TAGDECL([], [predeps], [1])
+_LT_TAGDECL([], [postdeps], [1])
+_LT_TAGDECL([], [compiler_lib_search_path], [1],
+ [The library search path used internally by the compiler when linking
+ a shared library])
+])# _LT_SYS_HIDDEN_LIBDEPS
+
+
+# _LT_LANG_F77_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for a Fortran 77 compiler are
+# suitably defined. These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_F77_CONFIG],
+[AC_LANG_PUSH(Fortran 77)
+if test -z "$F77" || test "X$F77" = "Xno"; then
+ _lt_disable_F77=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for f77 test sources.
+ac_ext=f
+
+# Object file extension for compiled f77 test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the F77 compiler isn't working. Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_F77" != yes; then
+ # Code to be used in simple compile tests
+ lt_simple_compile_test_code="\
+ subroutine t
+ return
+ end
+"
+
+ # Code to be used in simple link tests
+ lt_simple_link_test_code="\
+ program t
+ end
+"
+
+ # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+ _LT_TAG_COMPILER
+
+ # save warnings/boilerplate of simple test code
+ _LT_COMPILER_BOILERPLATE
+ _LT_LINKER_BOILERPLATE
+
+ # Allow CC to be a program name with arguments.
+ lt_save_CC="$CC"
+ lt_save_GCC=$GCC
+ lt_save_CFLAGS=$CFLAGS
+ CC=${F77-"f77"}
+ CFLAGS=$FFLAGS
+ compiler=$CC
+ _LT_TAGVAR(compiler, $1)=$CC
+ _LT_CC_BASENAME([$compiler])
+ GCC=$G77
+ if test -n "$compiler"; then
+ AC_MSG_CHECKING([if libtool supports shared libraries])
+ AC_MSG_RESULT([$can_build_shared])
+
+ AC_MSG_CHECKING([whether to build shared libraries])
+ test "$can_build_shared" = "no" && enable_shared=no
+
+ # On AIX, shared libraries and static libraries use the same namespace, and
+ # are all built from PIC.
+ case $host_os in
+ aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+ aix[[4-9]]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+ esac
+ AC_MSG_RESULT([$enable_shared])
+
+ AC_MSG_CHECKING([whether to build static libraries])
+ # Make sure either enable_shared or enable_static is yes.
+ test "$enable_shared" = yes || enable_static=yes
+ AC_MSG_RESULT([$enable_static])
+
+ _LT_TAGVAR(GCC, $1)="$G77"
+ _LT_TAGVAR(LD, $1)="$LD"
+
+ ## CAVEAT EMPTOR:
+ ## There is no encapsulation within the following macros, do not change
+ ## the running order or otherwise move them around unless you know exactly
+ ## what you are doing...
+ _LT_COMPILER_PIC($1)
+ _LT_COMPILER_C_O($1)
+ _LT_COMPILER_FILE_LOCKS($1)
+ _LT_LINKER_SHLIBS($1)
+ _LT_SYS_DYNAMIC_LINKER($1)
+ _LT_LINKER_HARDCODE_LIBPATH($1)
+
+ _LT_CONFIG($1)
+ fi # test -n "$compiler"
+
+ GCC=$lt_save_GCC
+ CC="$lt_save_CC"
+ CFLAGS="$lt_save_CFLAGS"
+fi # test "$_lt_disable_F77" != yes
+
+AC_LANG_POP
+])# _LT_LANG_F77_CONFIG
+
+
+# _LT_LANG_FC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for a Fortran compiler are
+# suitably defined. These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_FC_CONFIG],
+[AC_LANG_PUSH(Fortran)
+
+if test -z "$FC" || test "X$FC" = "Xno"; then
+ _lt_disable_FC=yes
+fi
+
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+_LT_TAGVAR(allow_undefined_flag, $1)=
+_LT_TAGVAR(always_export_symbols, $1)=no
+_LT_TAGVAR(archive_expsym_cmds, $1)=
+_LT_TAGVAR(export_dynamic_flag_spec, $1)=
+_LT_TAGVAR(hardcode_direct, $1)=no
+_LT_TAGVAR(hardcode_direct_absolute, $1)=no
+_LT_TAGVAR(hardcode_libdir_flag_spec, $1)=
+_LT_TAGVAR(hardcode_libdir_separator, $1)=
+_LT_TAGVAR(hardcode_minus_L, $1)=no
+_LT_TAGVAR(hardcode_automatic, $1)=no
+_LT_TAGVAR(inherit_rpath, $1)=no
+_LT_TAGVAR(module_cmds, $1)=
+_LT_TAGVAR(module_expsym_cmds, $1)=
+_LT_TAGVAR(link_all_deplibs, $1)=unknown
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+_LT_TAGVAR(no_undefined_flag, $1)=
+_LT_TAGVAR(whole_archive_flag_spec, $1)=
+_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no
+
+# Source file extension for fc test sources.
+ac_ext=${ac_fc_srcext-f}
+
+# Object file extension for compiled fc test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# No sense in running all these tests if we already determined that
+# the FC compiler isn't working. Some variables (like enable_shared)
+# are currently assumed to apply to all compilers on this platform,
+# and will be corrupted by setting them based on a non-working compiler.
+if test "$_lt_disable_FC" != yes; then
+ # Code to be used in simple compile tests
+ lt_simple_compile_test_code="\
+ subroutine t
+ return
+ end
+"
+
+ # Code to be used in simple link tests
+ lt_simple_link_test_code="\
+ program t
+ end
+"
+
+ # ltmain only uses $CC for tagged configurations so make sure $CC is set.
+ _LT_TAG_COMPILER
+
+ # save warnings/boilerplate of simple test code
+ _LT_COMPILER_BOILERPLATE
+ _LT_LINKER_BOILERPLATE
+
+ # Allow CC to be a program name with arguments.
+ lt_save_CC="$CC"
+ lt_save_GCC=$GCC
+ lt_save_CFLAGS=$CFLAGS
+ CC=${FC-"f95"}
+ CFLAGS=$FCFLAGS
+ compiler=$CC
+ GCC=$ac_cv_fc_compiler_gnu
+
+ _LT_TAGVAR(compiler, $1)=$CC
+ _LT_CC_BASENAME([$compiler])
+
+ if test -n "$compiler"; then
+ AC_MSG_CHECKING([if libtool supports shared libraries])
+ AC_MSG_RESULT([$can_build_shared])
+
+ AC_MSG_CHECKING([whether to build shared libraries])
+ test "$can_build_shared" = "no" && enable_shared=no
+
+ # On AIX, shared libraries and static libraries use the same namespace, and
+ # are all built from PIC.
+ case $host_os in
+ aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+ aix[[4-9]]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+ esac
+ AC_MSG_RESULT([$enable_shared])
+
+ AC_MSG_CHECKING([whether to build static libraries])
+ # Make sure either enable_shared or enable_static is yes.
+ test "$enable_shared" = yes || enable_static=yes
+ AC_MSG_RESULT([$enable_static])
+
+ _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu"
+ _LT_TAGVAR(LD, $1)="$LD"
+
+ ## CAVEAT EMPTOR:
+ ## There is no encapsulation within the following macros, do not change
+ ## the running order or otherwise move them around unless you know exactly
+ ## what you are doing...
+ _LT_SYS_HIDDEN_LIBDEPS($1)
+ _LT_COMPILER_PIC($1)
+ _LT_COMPILER_C_O($1)
+ _LT_COMPILER_FILE_LOCKS($1)
+ _LT_LINKER_SHLIBS($1)
+ _LT_SYS_DYNAMIC_LINKER($1)
+ _LT_LINKER_HARDCODE_LIBPATH($1)
+
+ _LT_CONFIG($1)
+ fi # test -n "$compiler"
+
+ GCC=$lt_save_GCC
+ CC=$lt_save_CC
+ CFLAGS=$lt_save_CFLAGS
+fi # test "$_lt_disable_FC" != yes
+
+AC_LANG_POP
+])# _LT_LANG_FC_CONFIG
+
+
+# _LT_LANG_GCJ_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Java Compiler compiler
+# are suitably defined. These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_GCJ_CONFIG],
+[AC_REQUIRE([LT_PROG_GCJ])dnl
+AC_LANG_SAVE
+
+# Source file extension for Java test sources.
+ac_ext=java
+
+# Object file extension for compiled Java test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="class foo {}"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GCJ-"gcj"}
+CFLAGS=$GCJFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)="$LD"
+_LT_CC_BASENAME([$compiler])
+
+# GCJ did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+if test -n "$compiler"; then
+ _LT_COMPILER_NO_RTTI($1)
+ _LT_COMPILER_PIC($1)
+ _LT_COMPILER_C_O($1)
+ _LT_COMPILER_FILE_LOCKS($1)
+ _LT_LINKER_SHLIBS($1)
+ _LT_LINKER_HARDCODE_LIBPATH($1)
+
+ _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GCJ_CONFIG
+
+
+# _LT_LANG_GO_CONFIG([TAG])
+# --------------------------
+# Ensure that the configuration variables for the GNU Go compiler
+# are suitably defined. These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_GO_CONFIG],
+[AC_REQUIRE([LT_PROG_GO])dnl
+AC_LANG_SAVE
+
+# Source file extension for Go test sources.
+ac_ext=go
+
+# Object file extension for compiled Go test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="package main; func main() { }"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='package main; func main() { }'
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC=$CC
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=yes
+CC=${GOC-"gccgo"}
+CFLAGS=$GOFLAGS
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_TAGVAR(LD, $1)="$LD"
+_LT_CC_BASENAME([$compiler])
+
+# Go did not exist at the time GCC didn't implicitly link libc in.
+_LT_TAGVAR(archive_cmds_need_lc, $1)=no
+
+_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
+_LT_TAGVAR(reload_flag, $1)=$reload_flag
+_LT_TAGVAR(reload_cmds, $1)=$reload_cmds
+
+if test -n "$compiler"; then
+ _LT_COMPILER_NO_RTTI($1)
+ _LT_COMPILER_PIC($1)
+ _LT_COMPILER_C_O($1)
+ _LT_COMPILER_FILE_LOCKS($1)
+ _LT_LINKER_SHLIBS($1)
+ _LT_LINKER_HARDCODE_LIBPATH($1)
+
+ _LT_CONFIG($1)
+fi
+
+AC_LANG_RESTORE
+
+GCC=$lt_save_GCC
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_GO_CONFIG
+
+
+# _LT_LANG_RC_CONFIG([TAG])
+# -------------------------
+# Ensure that the configuration variables for the Windows resource compiler
+# are suitably defined. These variables are subsequently used by _LT_CONFIG
+# to write the compiler configuration to `libtool'.
+m4_defun([_LT_LANG_RC_CONFIG],
+[AC_REQUIRE([LT_PROG_RC])dnl
+AC_LANG_SAVE
+
+# Source file extension for RC test sources.
+ac_ext=rc
+
+# Object file extension for compiled RC test sources.
+objext=o
+_LT_TAGVAR(objext, $1)=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
+
+# Code to be used in simple link tests
+lt_simple_link_test_code="$lt_simple_compile_test_code"
+
+# ltmain only uses $CC for tagged configurations so make sure $CC is set.
+_LT_TAG_COMPILER
+
+# save warnings/boilerplate of simple test code
+_LT_COMPILER_BOILERPLATE
+_LT_LINKER_BOILERPLATE
+
+# Allow CC to be a program name with arguments.
+lt_save_CC="$CC"
+lt_save_CFLAGS=$CFLAGS
+lt_save_GCC=$GCC
+GCC=
+CC=${RC-"windres"}
+CFLAGS=
+compiler=$CC
+_LT_TAGVAR(compiler, $1)=$CC
+_LT_CC_BASENAME([$compiler])
+_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
+
+if test -n "$compiler"; then
+ :
+ _LT_CONFIG($1)
+fi
+
+GCC=$lt_save_GCC
+AC_LANG_RESTORE
+CC=$lt_save_CC
+CFLAGS=$lt_save_CFLAGS
+])# _LT_LANG_RC_CONFIG
+
+
+# LT_PROG_GCJ
+# -----------
+AC_DEFUN([LT_PROG_GCJ],
+[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ],
+ [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ],
+ [AC_CHECK_TOOL(GCJ, gcj,)
+ test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
+ AC_SUBST(GCJFLAGS)])])[]dnl
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_GCJ], [])
+
+
+# LT_PROG_GO
+# ----------
+AC_DEFUN([LT_PROG_GO],
+[AC_CHECK_TOOL(GOC, gccgo,)
+])
+
+
+# LT_PROG_RC
+# ----------
+AC_DEFUN([LT_PROG_RC],
+[AC_CHECK_TOOL(RC, windres,)
+])
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_RC], [])
+
+
+# _LT_DECL_EGREP
+# --------------
+# If we don't have a new enough Autoconf to choose the best grep
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_EGREP],
+[AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_REQUIRE([AC_PROG_FGREP])dnl
+test -z "$GREP" && GREP=grep
+_LT_DECL([], [GREP], [1], [A grep program that handles long lines])
+_LT_DECL([], [EGREP], [1], [An ERE matcher])
+_LT_DECL([], [FGREP], [1], [A literal string matcher])
+dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too
+AC_SUBST([GREP])
+])
+
+
+# _LT_DECL_OBJDUMP
+# --------------
+# If we don't have a new enough Autoconf to choose the best objdump
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_OBJDUMP],
+[AC_CHECK_TOOL(OBJDUMP, objdump, false)
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper])
+AC_SUBST([OBJDUMP])
+])
+
+# _LT_DECL_DLLTOOL
+# ----------------
+# Ensure DLLTOOL variable is set.
+m4_defun([_LT_DECL_DLLTOOL],
+[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])
+AC_SUBST([DLLTOOL])
+])
+
+# _LT_DECL_SED
+# ------------
+# Check for a fully-functional sed program, that truncates
+# as few characters as possible. Prefer GNU sed if found.
+m4_defun([_LT_DECL_SED],
+[AC_PROG_SED
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+_LT_DECL([], [SED], [1], [A sed program that does not truncate output])
+_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"],
+ [Sed that helps us avoid accidentally triggering echo(1) options like -n])
+])# _LT_DECL_SED
+
+m4_ifndef([AC_PROG_SED], [
+# NOTE: This macro has been submitted for inclusion into #
+# GNU Autoconf as AC_PROG_SED. When it is available in #
+# a released version of Autoconf we should remove this #
+# macro and use it instead. #
+
+m4_defun([AC_PROG_SED],
+[AC_MSG_CHECKING([for a sed that does not truncate output])
+AC_CACHE_VAL(lt_cv_path_SED,
+[# Loop through the user's path and test for sed and gsed.
+# Then use that list of sed's as ones to test for truncation.
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for lt_ac_prog in sed gsed; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then
+ lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext"
+ fi
+ done
+ done
+done
+IFS=$as_save_IFS
+lt_ac_max=0
+lt_ac_count=0
+# Add /usr/xpg4/bin/sed as it is typically found on Solaris
+# along with /bin/sed that truncates output.
+for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do
+ test ! -f $lt_ac_sed && continue
+ cat /dev/null > conftest.in
+ lt_ac_count=0
+ echo $ECHO_N "0123456789$ECHO_C" >conftest.in
+ # Check for GNU sed and select it if it is found.
+ if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then
+ lt_cv_path_SED=$lt_ac_sed
+ break
+ fi
+ while true; do
+ cat conftest.in conftest.in >conftest.tmp
+ mv conftest.tmp conftest.in
+ cp conftest.in conftest.nl
+ echo >>conftest.nl
+ $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break
+ cmp -s conftest.out conftest.nl || break
+ # 10000 chars as input seems more than enough
+ test $lt_ac_count -gt 10 && break
+ lt_ac_count=`expr $lt_ac_count + 1`
+ if test $lt_ac_count -gt $lt_ac_max; then
+ lt_ac_max=$lt_ac_count
+ lt_cv_path_SED=$lt_ac_sed
+ fi
+ done
+done
+])
+SED=$lt_cv_path_SED
+AC_SUBST([SED])
+AC_MSG_RESULT([$SED])
+])#AC_PROG_SED
+])#m4_ifndef
+
+# Old name:
+AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED])
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([LT_AC_PROG_SED], [])
+
+
+# _LT_CHECK_SHELL_FEATURES
+# ------------------------
+# Find out whether the shell is Bourne or XSI compatible,
+# or has some other useful features.
+m4_defun([_LT_CHECK_SHELL_FEATURES],
+[AC_MSG_CHECKING([whether the shell understands some XSI constructs])
+# Try some XSI features
+xsi_shell=no
+( _lt_dummy="a/b/c"
+ test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \
+ = c,a/b,b/c, \
+ && eval 'test $(( 1 + 1 )) -eq 2 \
+ && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
+ && xsi_shell=yes
+AC_MSG_RESULT([$xsi_shell])
+_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell'])
+
+AC_MSG_CHECKING([whether the shell understands "+="])
+lt_shell_append=no
+( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \
+ >/dev/null 2>&1 \
+ && lt_shell_append=yes
+AC_MSG_RESULT([$lt_shell_append])
+_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append'])
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+ lt_unset=unset
+else
+ lt_unset=false
+fi
+_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+ # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+ lt_SP2NL='tr \040 \012'
+ lt_NL2SP='tr \015\012 \040\040'
+ ;;
+ *) # EBCDIC based system
+ lt_SP2NL='tr \100 \n'
+ lt_NL2SP='tr \r\n \100\100'
+ ;;
+esac
+_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl
+_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl
+])# _LT_CHECK_SHELL_FEATURES
+
+
+# _LT_PROG_FUNCTION_REPLACE (FUNCNAME, REPLACEMENT-BODY)
+# ------------------------------------------------------
+# In `$cfgfile', look for function FUNCNAME delimited by `^FUNCNAME ()$' and
+# '^} FUNCNAME ', and replace its body with REPLACEMENT-BODY.
+m4_defun([_LT_PROG_FUNCTION_REPLACE],
+[dnl {
+sed -e '/^$1 ()$/,/^} # $1 /c\
+$1 ()\
+{\
+m4_bpatsubsts([$2], [$], [\\], [^\([ ]\)], [\\\1])
+} # Extended-shell $1 implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+])
+
+
+# _LT_PROG_REPLACE_SHELLFNS
+# -------------------------
+# Replace existing portable implementations of several shell functions with
+# equivalent extended shell implementations where those features are available..
+m4_defun([_LT_PROG_REPLACE_SHELLFNS],
+[if test x"$xsi_shell" = xyes; then
+ _LT_PROG_FUNCTION_REPLACE([func_dirname], [dnl
+ case ${1} in
+ */*) func_dirname_result="${1%/*}${2}" ;;
+ * ) func_dirname_result="${3}" ;;
+ esac])
+
+ _LT_PROG_FUNCTION_REPLACE([func_basename], [dnl
+ func_basename_result="${1##*/}"])
+
+ _LT_PROG_FUNCTION_REPLACE([func_dirname_and_basename], [dnl
+ case ${1} in
+ */*) func_dirname_result="${1%/*}${2}" ;;
+ * ) func_dirname_result="${3}" ;;
+ esac
+ func_basename_result="${1##*/}"])
+
+ _LT_PROG_FUNCTION_REPLACE([func_stripname], [dnl
+ # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+ # positional parameters, so assign one to ordinary parameter first.
+ func_stripname_result=${3}
+ func_stripname_result=${func_stripname_result#"${1}"}
+ func_stripname_result=${func_stripname_result%"${2}"}])
+
+ _LT_PROG_FUNCTION_REPLACE([func_split_long_opt], [dnl
+ func_split_long_opt_name=${1%%=*}
+ func_split_long_opt_arg=${1#*=}])
+
+ _LT_PROG_FUNCTION_REPLACE([func_split_short_opt], [dnl
+ func_split_short_opt_arg=${1#??}
+ func_split_short_opt_name=${1%"$func_split_short_opt_arg"}])
+
+ _LT_PROG_FUNCTION_REPLACE([func_lo2o], [dnl
+ case ${1} in
+ *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
+ *) func_lo2o_result=${1} ;;
+ esac])
+
+ _LT_PROG_FUNCTION_REPLACE([func_xform], [ func_xform_result=${1%.*}.lo])
+
+ _LT_PROG_FUNCTION_REPLACE([func_arith], [ func_arith_result=$(( $[*] ))])
+
+ _LT_PROG_FUNCTION_REPLACE([func_len], [ func_len_result=${#1}])
+fi
+
+if test x"$lt_shell_append" = xyes; then
+ _LT_PROG_FUNCTION_REPLACE([func_append], [ eval "${1}+=\\${2}"])
+
+ _LT_PROG_FUNCTION_REPLACE([func_append_quoted], [dnl
+ func_quote_for_eval "${2}"
+dnl m4 expansion turns \\\\ into \\, and then the shell eval turns that into \
+ eval "${1}+=\\\\ \\$func_quote_for_eval_result"])
+
+ # Save a `func_append' function call where possible by direct use of '+='
+ sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+ test 0 -eq $? || _lt_function_replace_fail=:
+else
+ # Save a `func_append' function call even when '+=' is not available
+ sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+ test 0 -eq $? || _lt_function_replace_fail=:
+fi
+
+if test x"$_lt_function_replace_fail" = x":"; then
+ AC_MSG_WARN([Unable to substitute extended shell functions in $ofile])
+fi
+])
+
+# _LT_PATH_CONVERSION_FUNCTIONS
+# -----------------------------
+# Determine which file name conversion functions should be used by
+# func_to_host_file (and, implicitly, by func_to_host_path). These are needed
+# for certain cross-compile configurations and native mingw.
+m4_defun([_LT_PATH_CONVERSION_FUNCTIONS],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+AC_MSG_CHECKING([how to convert $build file names to $host format])
+AC_CACHE_VAL(lt_cv_to_host_file_cmd,
+[case $host in
+ *-*-mingw* )
+ case $build in
+ *-*-mingw* ) # actually msys
+ lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+ ;;
+ *-*-cygwin* )
+ lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+ ;;
+ * ) # otherwise, assume *nix
+ lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+ ;;
+ esac
+ ;;
+ *-*-cygwin* )
+ case $build in
+ *-*-mingw* ) # actually msys
+ lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+ ;;
+ *-*-cygwin* )
+ lt_cv_to_host_file_cmd=func_convert_file_noop
+ ;;
+ * ) # otherwise, assume *nix
+ lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+ ;;
+ esac
+ ;;
+ * ) # unhandled hosts (and "normal" native builds)
+ lt_cv_to_host_file_cmd=func_convert_file_noop
+ ;;
+esac
+])
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+AC_MSG_RESULT([$lt_cv_to_host_file_cmd])
+_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd],
+ [0], [convert $build file names to $host format])dnl
+
+AC_MSG_CHECKING([how to convert $build file names to toolchain format])
+AC_CACHE_VAL(lt_cv_to_tool_file_cmd,
+[#assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+ *-*-mingw* )
+ case $build in
+ *-*-mingw* ) # actually msys
+ lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+ ;;
+ esac
+ ;;
+esac
+])
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+AC_MSG_RESULT([$lt_cv_to_tool_file_cmd])
+_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd],
+ [0], [convert $build files to toolchain format])dnl
+])# _LT_PATH_CONVERSION_FUNCTIONS
+
+# Helper functions for option handling. -*- Autoconf -*-
+#
+# Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
+# Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 7 ltoptions.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
+
+
+# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
+# ------------------------------------------
+m4_define([_LT_MANGLE_OPTION],
+[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
+
+
+# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
+# ---------------------------------------
+# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
+# matching handler defined, dispatch to it. Other OPTION-NAMEs are
+# saved as a flag.
+m4_define([_LT_SET_OPTION],
+[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
+m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
+ _LT_MANGLE_DEFUN([$1], [$2]),
+ [m4_warning([Unknown $1 option `$2'])])[]dnl
+])
+
+
+# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
+# ------------------------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+m4_define([_LT_IF_OPTION],
+[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
+
+
+# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
+# -------------------------------------------------------
+# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
+# are set.
+m4_define([_LT_UNLESS_OPTIONS],
+[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+ [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
+ [m4_define([$0_found])])])[]dnl
+m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
+])[]dnl
+])
+
+
+# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
+# ----------------------------------------
+# OPTION-LIST is a space-separated list of Libtool options associated
+# with MACRO-NAME. If any OPTION has a matching handler declared with
+# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
+# the unknown option and exit.
+m4_defun([_LT_SET_OPTIONS],
+[# Set options
+m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+ [_LT_SET_OPTION([$1], _LT_Option)])
+
+m4_if([$1],[LT_INIT],[
+ dnl
+ dnl Simply set some default values (i.e off) if boolean options were not
+ dnl specified:
+ _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
+ ])
+ _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
+ ])
+ dnl
+ dnl If no reference was made to various pairs of opposing options, then
+ dnl we run the default mode handler for the pair. For example, if neither
+ dnl `shared' nor `disable-shared' was passed, we enable building of shared
+ dnl archives by default:
+ _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
+ _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
+ _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
+ _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
+ [_LT_ENABLE_FAST_INSTALL])
+ ])
+])# _LT_SET_OPTIONS
+
+
+
+# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
+# -----------------------------------------
+m4_define([_LT_MANGLE_DEFUN],
+[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
+
+
+# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
+# -----------------------------------------------
+m4_define([LT_OPTION_DEFINE],
+[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
+])# LT_OPTION_DEFINE
+
+
+# dlopen
+# ------
+LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
+])
+
+AU_DEFUN([AC_LIBTOOL_DLOPEN],
+[_LT_SET_OPTION([LT_INIT], [dlopen])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `dlopen' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
+
+
+# win32-dll
+# ---------
+# Declare package support for building win32 dll's.
+LT_OPTION_DEFINE([LT_INIT], [win32-dll],
+[enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
+ AC_CHECK_TOOL(AS, as, false)
+ AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+ AC_CHECK_TOOL(OBJDUMP, objdump, false)
+ ;;
+esac
+
+test -z "$AS" && AS=as
+_LT_DECL([], [AS], [1], [Assembler program])dnl
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
+])# win32-dll
+
+AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+_LT_SET_OPTION([LT_INIT], [win32-dll])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `win32-dll' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
+
+
+# _LT_ENABLE_SHARED([DEFAULT])
+# ----------------------------
+# implement the --enable-shared flag, and supports the `shared' and
+# `disable-shared' LT_INIT options.
+# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_SHARED],
+[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([shared],
+ [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+ [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
+ [p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_shared=yes ;;
+ no) enable_shared=no ;;
+ *)
+ enable_shared=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_shared=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac],
+ [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
+
+ _LT_DECL([build_libtool_libs], [enable_shared], [0],
+ [Whether or not to build shared libraries])
+])# _LT_ENABLE_SHARED
+
+LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
+])
+
+AC_DEFUN([AC_DISABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], [disable-shared])
+])
+
+AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
+AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_SHARED], [])
+dnl AC_DEFUN([AM_DISABLE_SHARED], [])
+
+
+
+# _LT_ENABLE_STATIC([DEFAULT])
+# ----------------------------
+# implement the --enable-static flag, and support the `static' and
+# `disable-static' LT_INIT options.
+# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_STATIC],
+[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([static],
+ [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+ [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
+ [p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_static=yes ;;
+ no) enable_static=no ;;
+ *)
+ enable_static=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_static=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac],
+ [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
+
+ _LT_DECL([build_old_libs], [enable_static], [0],
+ [Whether or not to build static libraries])
+])# _LT_ENABLE_STATIC
+
+LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
+])
+
+AC_DEFUN([AC_DISABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], [disable-static])
+])
+
+AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
+AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_STATIC], [])
+dnl AC_DEFUN([AM_DISABLE_STATIC], [])
+
+
+
+# _LT_ENABLE_FAST_INSTALL([DEFAULT])
+# ----------------------------------
+# implement the --enable-fast-install flag, and support the `fast-install'
+# and `disable-fast-install' LT_INIT options.
+# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_FAST_INSTALL],
+[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([fast-install],
+ [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+ [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+ [p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_fast_install=yes ;;
+ no) enable_fast_install=no ;;
+ *)
+ enable_fast_install=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_fast_install=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac],
+ [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
+
+_LT_DECL([fast_install], [enable_fast_install], [0],
+ [Whether or not to optimize for fast installation])dnl
+])# _LT_ENABLE_FAST_INSTALL
+
+LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
+
+# Old names:
+AU_DEFUN([AC_ENABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `fast-install' option into LT_INIT's first parameter.])
+])
+
+AU_DEFUN([AC_DISABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `disable-fast-install' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
+dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
+
+
+# _LT_WITH_PIC([MODE])
+# --------------------
+# implement the --with-pic flag, and support the `pic-only' and `no-pic'
+# LT_INIT options.
+# MODE is either `yes' or `no'. If omitted, it defaults to `both'.
+m4_define([_LT_WITH_PIC],
+[AC_ARG_WITH([pic],
+ [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
+ [try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+ [lt_p=${PACKAGE-default}
+ case $withval in
+ yes|no) pic_mode=$withval ;;
+ *)
+ pic_mode=default
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for lt_pkg in $withval; do
+ IFS="$lt_save_ifs"
+ if test "X$lt_pkg" = "X$lt_p"; then
+ pic_mode=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac],
+ [pic_mode=default])
+
+test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
+
+_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
+])# _LT_WITH_PIC
+
+LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
+
+# Old name:
+AU_DEFUN([AC_LIBTOOL_PICMODE],
+[_LT_SET_OPTION([LT_INIT], [pic-only])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `pic-only' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
+
+
+m4_define([_LTDL_MODE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
+ [m4_define([_LTDL_MODE], [nonrecursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [recursive],
+ [m4_define([_LTDL_MODE], [recursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [subproject],
+ [m4_define([_LTDL_MODE], [subproject])])
+
+m4_define([_LTDL_TYPE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [installable],
+ [m4_define([_LTDL_TYPE], [installable])])
+LT_OPTION_DEFINE([LTDL_INIT], [convenience],
+ [m4_define([_LTDL_TYPE], [convenience])])
+
+# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
+#
+# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 6 ltsugar.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
+
+
+# lt_join(SEP, ARG1, [ARG2...])
+# -----------------------------
+# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
+# associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
+m4_define([lt_join],
+[m4_if([$#], [1], [],
+ [$#], [2], [[$2]],
+ [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
+m4_define([_lt_join],
+[m4_if([$#$2], [2], [],
+ [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
+
+
+# lt_car(LIST)
+# lt_cdr(LIST)
+# ------------
+# Manipulate m4 lists.
+# These macros are necessary as long as will still need to support
+# Autoconf-2.59 which quotes differently.
+m4_define([lt_car], [[$1]])
+m4_define([lt_cdr],
+[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
+ [$#], 1, [],
+ [m4_dquote(m4_shift($@))])])
+m4_define([lt_unquote], $1)
+
+
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
+m4_define([lt_append],
+[m4_define([$1],
+ m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
+# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
+# ----------------------------------------------------------
+# Produce a SEP delimited list of all paired combinations of elements of
+# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
+# has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
+m4_define([lt_combine],
+[m4_if(m4_eval([$# > 3]), [1],
+ [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+ [m4_foreach([_Lt_suffix],
+ ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+ [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
+
+
+# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
+# -----------------------------------------------------------------------
+# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
+# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
+m4_define([lt_if_append_uniq],
+[m4_ifdef([$1],
+ [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+ [lt_append([$1], [$2], [$3])$4],
+ [$5])],
+ [lt_append([$1], [$2], [$3])$4])])
+
+
+# lt_dict_add(DICT, KEY, VALUE)
+# -----------------------------
+m4_define([lt_dict_add],
+[m4_define([$1($2)], [$3])])
+
+
+# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
+# --------------------------------------------
+m4_define([lt_dict_add_subkey],
+[m4_define([$1($2:$3)], [$4])])
+
+
+# lt_dict_fetch(DICT, KEY, [SUBKEY])
+# ----------------------------------
+m4_define([lt_dict_fetch],
+[m4_ifval([$3],
+ m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
+ m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
+
+
+# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
+# -----------------------------------------------------------------
+m4_define([lt_if_dict_fetch],
+[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
+ [$5],
+ [$6])])
+
+
+# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
+# --------------------------------------------------------------
+m4_define([lt_dict_filter],
+[m4_if([$5], [], [],
+ [lt_join(m4_quote(m4_default([$4], [[, ]])),
+ lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
+ [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
+])
+
+# ltversion.m4 -- version numbers -*- Autoconf -*-
+#
+# Copyright (C) 2004 Free Software Foundation, Inc.
+# Written by Scott James Remnant, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# @configure_input@
+
+# serial 3337 ltversion.m4
+# This file is part of GNU Libtool
+
+m4_define([LT_PACKAGE_VERSION], [2.4.2])
+m4_define([LT_PACKAGE_REVISION], [1.3337])
+
+AC_DEFUN([LTVERSION_VERSION],
+[macro_version='2.4.2'
+macro_revision='1.3337'
+_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
+_LT_DECL(, macro_revision, 0)
+])
+
+# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*-
+#
+# Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
+# Written by Scott James Remnant, 2004.
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 5 lt~obsolete.m4
+
+# These exist entirely to fool aclocal when bootstrapping libtool.
+#
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN)
+# which have later been changed to m4_define as they aren't part of the
+# exported API, or moved to Autoconf or Automake where they belong.
+#
+# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN
+# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
+# using a macro with the same name in our local m4/libtool.m4 it'll
+# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
+# and doesn't know about Autoconf macros at all.)
+#
+# So we provide this file, which has a silly filename so it's always
+# included after everything else. This provides aclocal with the
+# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
+# because those macros already exist, or will be overwritten later.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
+#
+# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
+# Yes, that means every name once taken will need to remain here until
+# we give up compatibility with versions before 1.7, at which point
+# we need to keep only those names which we still refer to.
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
+
+m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
+m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])])
+m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])])
+m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
+m4_ifndef([_LT_PROG_LTMAIN], [AC_DEFUN([_LT_PROG_LTMAIN])])
+m4_ifndef([_LT_AC_TAGVAR], [AC_DEFUN([_LT_AC_TAGVAR])])
+m4_ifndef([AC_LTDL_ENABLE_INSTALL], [AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
+m4_ifndef([AC_LTDL_PREOPEN], [AC_DEFUN([AC_LTDL_PREOPEN])])
+m4_ifndef([_LT_AC_SYS_COMPILER], [AC_DEFUN([_LT_AC_SYS_COMPILER])])
+m4_ifndef([_LT_AC_LOCK], [AC_DEFUN([_LT_AC_LOCK])])
+m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE], [AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
+m4_ifndef([_LT_AC_TRY_DLOPEN_SELF], [AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
+m4_ifndef([AC_LIBTOOL_PROG_CC_C_O], [AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
+m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
+m4_ifndef([AC_LIBTOOL_OBJDIR], [AC_DEFUN([AC_LIBTOOL_OBJDIR])])
+m4_ifndef([AC_LTDL_OBJDIR], [AC_DEFUN([AC_LTDL_OBJDIR])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
+m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP], [AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
+m4_ifndef([AC_PATH_MAGIC], [AC_DEFUN([AC_PATH_MAGIC])])
+m4_ifndef([AC_PROG_LD_GNU], [AC_DEFUN([AC_PROG_LD_GNU])])
+m4_ifndef([AC_PROG_LD_RELOAD_FLAG], [AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
+m4_ifndef([AC_DEPLIBS_CHECK_METHOD], [AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
+m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS], [AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
+m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP], [AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
+m4_ifndef([LT_AC_PROG_EGREP], [AC_DEFUN([LT_AC_PROG_EGREP])])
+m4_ifndef([LT_AC_PROG_SED], [AC_DEFUN([LT_AC_PROG_SED])])
+m4_ifndef([_LT_CC_BASENAME], [AC_DEFUN([_LT_CC_BASENAME])])
+m4_ifndef([_LT_COMPILER_BOILERPLATE], [AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
+m4_ifndef([_LT_LINKER_BOILERPLATE], [AC_DEFUN([_LT_LINKER_BOILERPLATE])])
+m4_ifndef([_AC_PROG_LIBTOOL], [AC_DEFUN([_AC_PROG_LIBTOOL])])
+m4_ifndef([AC_LIBTOOL_SETUP], [AC_DEFUN([AC_LIBTOOL_SETUP])])
+m4_ifndef([_LT_AC_CHECK_DLFCN], [AC_DEFUN([_LT_AC_CHECK_DLFCN])])
+m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER], [AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
+m4_ifndef([_LT_AC_TAGCONFIG], [AC_DEFUN([_LT_AC_TAGCONFIG])])
+m4_ifndef([AC_DISABLE_FAST_INSTALL], [AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
+m4_ifndef([_LT_AC_LANG_CXX], [AC_DEFUN([_LT_AC_LANG_CXX])])
+m4_ifndef([_LT_AC_LANG_F77], [AC_DEFUN([_LT_AC_LANG_F77])])
+m4_ifndef([_LT_AC_LANG_GCJ], [AC_DEFUN([_LT_AC_LANG_GCJ])])
+m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
+m4_ifndef([_LT_AC_LANG_C_CONFIG], [AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
+m4_ifndef([_LT_AC_LANG_CXX_CONFIG], [AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
+m4_ifndef([_LT_AC_LANG_F77_CONFIG], [AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
+m4_ifndef([_LT_AC_LANG_GCJ_CONFIG], [AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG], [AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
+m4_ifndef([_LT_AC_LANG_RC_CONFIG], [AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
+m4_ifndef([AC_LIBTOOL_CONFIG], [AC_DEFUN([AC_LIBTOOL_CONFIG])])
+m4_ifndef([_LT_AC_FILE_LTDLL_C], [AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
+m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS], [AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
+m4_ifndef([_LT_AC_PROG_CXXCPP], [AC_DEFUN([_LT_AC_PROG_CXXCPP])])
+m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS], [AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
+m4_ifndef([_LT_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_PROG_F77], [AC_DEFUN([_LT_PROG_F77])])
+m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])])
+m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])])
+
+# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 8
+
+# AM_AUTOMAKE_VERSION(VERSION)
+# ----------------------------
+# Automake X.Y traces this macro to ensure aclocal.m4 has been
+# generated from the m4 files accompanying Automake X.Y.
+# (This private macro should not be called outside this file.)
+AC_DEFUN([AM_AUTOMAKE_VERSION],
+[am__api_version='1.12'
+dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
+dnl require some minimum version. Point them to the right macro.
+m4_if([$1], [1.12.2], [],
+ [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
+])
+
+# _AM_AUTOCONF_VERSION(VERSION)
+# -----------------------------
+# aclocal traces this macro to find the Autoconf version.
+# This is a private macro too. Using m4_define simplifies
+# the logic in aclocal, which can simply ignore this definition.
+m4_define([_AM_AUTOCONF_VERSION], [])
+
+# AM_SET_CURRENT_AUTOMAKE_VERSION
+# -------------------------------
+# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
+# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
+AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
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diff --git a/alsalisp/Makefile.am b/alsalisp/Makefile.am
new file mode 100644
index 0000000..8e3e015
--- /dev/null
+++ b/alsalisp/Makefile.am
@@ -0,0 +1,8 @@
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diff --git a/alsalisp/Makefile.in b/alsalisp/Makefile.in
new file mode 100644
index 0000000..55e0211
--- /dev/null
+++ b/alsalisp/Makefile.in
@@ -0,0 +1,552 @@
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+ n|no|NO) false;; \
+ *) (install-info --version) >/dev/null 2>&1;; \
+ esac
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALSA_CONFIG_DIR = @ALSA_CONFIG_DIR@
+ALSA_DEPLIBS = @ALSA_DEPLIBS@
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+ALSA_PLUGIN_DIR = @ALSA_PLUGIN_DIR@
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+AR = @AR@
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+EXEEXT = @EXEEXT@
+FGREP = @FGREP@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBTOOL_VERSION_INFO = @LIBTOOL_VERSION_INFO@
+LIPO = @LIPO@
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+MAINT = @MAINT@
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+MANIFEST_TOOL = @MANIFEST_TOOL@
+MKDIR_P = @MKDIR_P@
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+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
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+PYTHON_INCLUDES = @PYTHON_INCLUDES@
+PYTHON_LIBS = @PYTHON_LIBS@
+RANLIB = @RANLIB@
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+SHELL = @SHELL@
+SND_LIB_EXTRAVER = @SND_LIB_EXTRAVER@
+SND_LIB_MAJOR = @SND_LIB_MAJOR@
+SND_LIB_MINOR = @SND_LIB_MINOR@
+SND_LIB_SUBMINOR = @SND_LIB_SUBMINOR@
+SND_LIB_VERSION = @SND_LIB_VERSION@
+STRIP = @STRIP@
+SYMBOL_PREFIX = @SYMBOL_PREFIX@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
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+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+alsalisp_SOURCES = alsalisp.c
+alsalisp_LDADD = ../src/libasound.la
+AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src/alisp
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign alsalisp/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign alsalisp/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstPROGRAMS:
+ @list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+ echo " rm -f" $$list; \
+ rm -f $$list || exit $$?; \
+ test -n "$(EXEEXT)" || exit 0; \
+ list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+ echo " rm -f" $$list; \
+ rm -f $$list
+alsalisp$(EXEEXT): $(alsalisp_OBJECTS) $(alsalisp_DEPENDENCIES) $(EXTRA_alsalisp_DEPENDENCIES)
+ @rm -f alsalisp$(EXEEXT)
+ $(AM_V_CCLD)$(LINK) $(alsalisp_OBJECTS) $(alsalisp_LDADD) $(LIBS)
+
+mostlyclean-compile:
+ -rm -f *.$(OBJEXT)
+
+distclean-compile:
+ -rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alsalisp.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(COMPILE) -c $<
+
+.c.obj:
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
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+
+install-html-am:
+
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+
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+
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+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool clean-noinstPROGRAMS cscopelist ctags distclean \
+ distclean-compile distclean-generic distclean-libtool \
+ distclean-tags distdir dvi dvi-am html html-am info info-am \
+ install install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-info install-info-am install-man \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ pdf pdf-am ps ps-am tags uninstall uninstall-am
+
+
+all: alsalisp
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/alsalisp/alsalisp.c b/alsalisp/alsalisp.c
new file mode 100644
index 0000000..2a2a77b
--- /dev/null
+++ b/alsalisp/alsalisp.c
@@ -0,0 +1,110 @@
+/*
+ * ALSA lisp implementation
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <err.h>
+
+#include "asoundlib.h"
+#include "alisp.h"
+
+static int verbose = 0;
+static int warning = 0;
+static int debug = 0;
+
+static void interpret_filename(const char *file)
+{
+ struct alisp_cfg cfg;
+ snd_input_t *in;
+ snd_output_t *out;
+ int err;
+
+ memset(&cfg, 0, sizeof(cfg));
+ if (file != NULL && strcmp(file, "-") != 0) {
+ if ((err = snd_input_stdio_open(&in, file, "r")) < 0) {
+ fprintf(stderr, "unable to open filename '%s' (%s)\n", file, snd_strerror(err));
+ return;
+ }
+ } else {
+ if ((err = snd_input_stdio_attach(&in, stdin, 0)) < 0) {
+ fprintf(stderr, "unable to attach stdin '%s' (%s)\n", file, snd_strerror(err));
+ return;
+ }
+ }
+ if (snd_output_stdio_attach(&out, stdout, 0) < 0) {
+ snd_input_close(in);
+ fprintf(stderr, "unable to attach stdout (%s)\n", strerror(errno));
+ return;
+ }
+ cfg.verbose = verbose;
+ cfg.warning = warning;
+ cfg.debug = debug;
+ cfg.in = in;
+ cfg.out = cfg.eout = cfg.vout = cfg.wout = cfg.dout = out;
+ err = alsa_lisp(&cfg, NULL);
+ if (err < 0)
+ fprintf(stderr, "alsa lisp returned error %i (%s)\n", err, strerror(err));
+ else if (verbose)
+ printf("file %s passed ok via alsa lisp interpreter\n", file);
+ snd_output_close(out);
+ snd_input_close(in);
+}
+
+static void usage(void)
+{
+ fprintf(stderr, "usage: alsalisp [-vdw] [file...]\n");
+ exit(1);
+}
+
+int main(int argc, char **argv)
+{
+ int c;
+
+ while ((c = getopt(argc, argv, "vdw")) != -1) {
+ switch (c) {
+ case 'v':
+ verbose = 1;
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ case 'w':
+ warning = 1;
+ break;
+ case '?':
+ default:
+ usage();
+ /* NOTREACHED */
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1)
+ interpret_filename(NULL);
+ else
+ while (*argv)
+ interpret_filename(*argv++);
+
+ return 0;
+}
diff --git a/aserver/COPYING b/aserver/COPYING
new file mode 100644
index 0000000..b07ad0d
--- /dev/null
+++ b/aserver/COPYING
@@ -0,0 +1,340 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+ To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+ For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have. You must make sure that they, too, receive or can get the
+source code. And you must show them these terms so they know their
+rights.
+
+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+ Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software. If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+ Finally, any free program is threatened constantly by software
+patents. We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary. To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+ The precise terms and conditions for copying, distribution and
+modification follow.
+
+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language. (Hereinafter, translation is included without limitation in
+the term "modification".) Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope. The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+ 1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+ 2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+ a) You must cause the modified files to carry prominent notices
+ stating that you changed the files and the date of any change.
+
+ b) You must cause any work that you distribute or publish, that in
+ whole or in part contains or is derived from the Program or any
+ part thereof, to be licensed as a whole at no charge to all third
+ parties under the terms of this License.
+
+ c) If the modified program normally reads commands interactively
+ when run, you must cause it, when started running for such
+ interactive use in the most ordinary way, to print or display an
+ announcement including an appropriate copyright notice and a
+ notice that there is no warranty (or else, saying that you provide
+ a warranty) and that users may redistribute the program under
+ these conditions, and telling the user how to view a copy of this
+ License. (Exception: if the Program itself is interactive but
+ does not normally print such an announcement, your work based on
+ the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole. If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works. But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+ 3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+ a) Accompany it with the complete corresponding machine-readable
+ source code, which must be distributed under the terms of Sections
+ 1 and 2 above on a medium customarily used for software interchange; or,
+
+ b) Accompany it with a written offer, valid for at least three
+ years, to give any third party, for a charge no more than your
+ cost of physically performing source distribution, a complete
+ machine-readable copy of the corresponding source code, to be
+ distributed under the terms of Sections 1 and 2 above on a medium
+ customarily used for software interchange; or,
+
+ c) Accompany it with the information you received as to the offer
+ to distribute corresponding source code. (This alternative is
+ allowed only for noncommercial distribution and only if you
+ received the program in object code or executable form with such
+ an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it. For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable. However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+ 4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License. Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+ 5. You are not required to accept this License, since you have not
+signed it. However, nothing else grants you permission to modify or
+distribute the Program or its derivative works. These actions are
+prohibited by law if you do not accept this License. Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+ 6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions. You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+ 7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all. For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices. Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+ 8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded. In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+ 9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation. If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+ 10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission. For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this. Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+ NO WARRANTY
+
+ 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+ 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+ Gnomovision version 69, Copyright (C) year name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
diff --git a/aserver/Makefile.am b/aserver/Makefile.am
new file mode 100644
index 0000000..fbdb94c
--- /dev/null
+++ b/aserver/Makefile.am
@@ -0,0 +1,12 @@
+bin_PROGRAMS = aserver
+aserver_SOURCES = aserver.c
+# aserver_LDADD = -lasound
+aserver_LDADD = ../src/libasound.la
+
+all: aserver
+
+AM_CPPFLAGS=-I$(top_srcdir)/include -I$(top_srcdir)/src/pcm
+
+../src/libasound.la:
+ $(MAKE) -C ../src libasound.la
+
diff --git a/aserver/Makefile.in b/aserver/Makefile.in
new file mode 100644
index 0000000..e2744e9
--- /dev/null
+++ b/aserver/Makefile.in
@@ -0,0 +1,597 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = aserver$(EXEEXT)
+subdir = aserver
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(top_srcdir)/depcomp COPYING
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
+PROGRAMS = $(bin_PROGRAMS)
+am_aserver_OBJECTS = aserver.$(OBJEXT)
+aserver_OBJECTS = $(am_aserver_OBJECTS)
+aserver_DEPENDENCIES = ../src/libasound.la
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo " GEN " $@;
+am__v_GEN_1 =
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 =
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+am__depfiles_maybe = depfiles
+am__mv = mv -f
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+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
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+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo " CC " $@;
+am__v_CC_1 =
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo " CCLD " $@;
+am__v_CCLD_1 =
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+DIST_SOURCES = $(aserver_SOURCES)
+am__can_run_installinfo = \
+ case $$AM_UPDATE_INFO_DIR in \
+ n|no|NO) false;; \
+ *) (install-info --version) >/dev/null 2>&1;; \
+ esac
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALSA_CONFIG_DIR = @ALSA_CONFIG_DIR@
+ALSA_DEPLIBS = @ALSA_DEPLIBS@
+ALSA_PKGCONF_DIR = @ALSA_PKGCONF_DIR@
+ALSA_PLUGIN_DIR = @ALSA_PLUGIN_DIR@
+AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
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+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
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+GREP = @GREP@
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+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
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+LIBTOOL = @LIBTOOL@
+LIBTOOL_VERSION_INFO = @LIBTOOL_VERSION_INFO@
+LIPO = @LIPO@
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+LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MKDIR_P = @MKDIR_P@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PYTHON_INCLUDES = @PYTHON_INCLUDES@
+PYTHON_LIBS = @PYTHON_LIBS@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SND_LIB_EXTRAVER = @SND_LIB_EXTRAVER@
+SND_LIB_MAJOR = @SND_LIB_MAJOR@
+SND_LIB_MINOR = @SND_LIB_MINOR@
+SND_LIB_SUBMINOR = @SND_LIB_SUBMINOR@
+SND_LIB_VERSION = @SND_LIB_VERSION@
+STRIP = @STRIP@
+SYMBOL_PREFIX = @SYMBOL_PREFIX@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
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+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
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+program_transform_name = @program_transform_name@
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+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
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+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+aserver_SOURCES = aserver.c
+# aserver_LDADD = -lasound
+aserver_LDADD = ../src/libasound.la
+AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/src/pcm
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign aserver/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign aserver/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
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+ *) \
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+ while read p p1; do if test -f $$p || test -f $$p1; \
+ then echo "$$p"; echo "$$p"; else :; fi; \
+ done | \
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+ $(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+ { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+ if ($$2 == $$4) files[d] = files[d] " " $$1; \
+ else { print "f", $$3 "/" $$4, $$1; } } \
+ END { for (d in files) print "f", d, files[d] }' | \
+ while read type dir files; do \
+ if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
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+ } \
+ ; done
+
+uninstall-binPROGRAMS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+ files=`for p in $$list; do echo "$$p"; done | \
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+ -e 's/$$/$(EXEEXT)/' `; \
+ test -n "$$list" || exit 0; \
+ echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+ cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
+clean-binPROGRAMS:
+ @list='$(bin_PROGRAMS)'; test -n "$$list" || exit 0; \
+ echo " rm -f" $$list; \
+ rm -f $$list || exit $$?; \
+ test -n "$(EXEEXT)" || exit 0; \
+ list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+ echo " rm -f" $$list; \
+ rm -f $$list
+aserver$(EXEEXT): $(aserver_OBJECTS) $(aserver_DEPENDENCIES) $(EXTRA_aserver_DEPENDENCIES)
+ @rm -f aserver$(EXEEXT)
+ $(AM_V_CCLD)$(LINK) $(aserver_OBJECTS) $(aserver_LDADD) $(LIBS)
+
+mostlyclean-compile:
+ -rm -f *.$(OBJEXT)
+
+distclean-compile:
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+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aserver.Po@am__quote@
+
+.c.o:
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+
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+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
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+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
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+ END { if (nonempty) { for (i in files) print i; }; }'`; \
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+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
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+ "$$@" $$unique; \
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+ fi; \
+ fi
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+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+ test -z "$(CTAGS_ARGS)$$unique" \
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+
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+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
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+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+ esac; \
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+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
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+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
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+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
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+ install; \
+ else \
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+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
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+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
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+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
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+ distclean-tags
+
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+ mostlyclean-libtool
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+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
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+
+
+all: aserver
+
+../src/libasound.la:
+ $(MAKE) -C ../src libasound.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/aserver/aserver.c b/aserver/aserver.c
new file mode 100644
index 0000000..1579da7
--- /dev/null
+++ b/aserver/aserver.c
@@ -0,0 +1,1084 @@
+/*
+ * ALSA server
+ * Copyright (c) by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <sys/shm.h>
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <sys/un.h>
+#include <sys/uio.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <getopt.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <limits.h>
+#include <signal.h>
+
+#include "aserver.h"
+
+char *command;
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
+#define ERROR(...) do {\
+ fprintf(stderr, "%s %s:%i:(%s) ", command, __FILE__, __LINE__, __FUNCTION__); \
+ fprintf(stderr, __VA_ARGS__); \
+ putc('\n', stderr); \
+} while (0)
+#else
+#define ERROR(args...) do {\
+ fprintf(stderr, "%s %s:%i:(%s) ", command, __FILE__, __LINE__, __FUNCTION__); \
+ fprintf(stderr, ##args); \
+ putc('\n', stderr); \
+} while (0)
+#endif
+
+#define SYSERROR(string) ERROR(string ": %s", strerror(errno))
+
+static int make_local_socket(const char *filename)
+{
+ size_t l = strlen(filename);
+ size_t size = offsetof(struct sockaddr_un, sun_path) + l;
+ struct sockaddr_un *addr = alloca(size);
+ int sock;
+
+ sock = socket(PF_LOCAL, SOCK_STREAM, 0);
+ if (sock < 0) {
+ int result = -errno;
+ SYSERROR("socket failed");
+ return result;
+ }
+
+ unlink(filename);
+
+ addr->sun_family = AF_LOCAL;
+ memcpy(addr->sun_path, filename, l);
+
+ if (bind(sock, (struct sockaddr *) addr, size) < 0) {
+ int result = -errno;
+ SYSERROR("bind failed");
+ return result;
+ }
+
+ return sock;
+}
+
+static int make_inet_socket(int port)
+{
+ struct sockaddr_in addr;
+ int sock;
+
+ sock = socket(PF_INET, SOCK_STREAM, 0);
+ if (sock < 0) {
+ int result = -errno;
+ SYSERROR("socket failed");
+ return result;
+ }
+
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(port);
+ addr.sin_addr.s_addr = INADDR_ANY;
+
+ if (bind(sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ int result = -errno;
+ SYSERROR("bind failed");
+ return result;
+ }
+
+ return sock;
+}
+
+struct pollfd *pollfds;
+unsigned int pollfds_count = 0;
+typedef struct waiter waiter_t;
+typedef int (*waiter_handler_t)(waiter_t *waiter, unsigned short events);
+struct waiter {
+ int fd;
+ void *private_data;
+ waiter_handler_t handler;
+};
+waiter_t *waiters;
+
+static void add_waiter(int fd, unsigned short events, waiter_handler_t handler,
+ void *data)
+{
+ waiter_t *w = &waiters[fd];
+ struct pollfd *pfd = &pollfds[pollfds_count];
+ assert(!w->handler);
+ pfd->fd = fd;
+ pfd->events = events;
+ pfd->revents = 0;
+ w->fd = fd;
+ w->private_data = data;
+ w->handler = handler;
+ pollfds_count++;
+}
+
+static void del_waiter(int fd)
+{
+ waiter_t *w = &waiters[fd];
+ unsigned int k;
+ assert(w->handler);
+ w->handler = 0;
+ for (k = 0; k < pollfds_count; ++k) {
+ if (pollfds[k].fd == fd)
+ break;
+ }
+ assert(k < pollfds_count);
+ pollfds_count--;
+ memmove(&pollfds[k], &pollfds[k + 1], pollfds_count - k);
+}
+
+typedef struct client client_t;
+
+typedef struct {
+ int (*open)(client_t *client, int *cookie);
+ int (*cmd)(client_t *client);
+ int (*close)(client_t *client);
+} transport_ops_t;
+
+struct client {
+ struct list_head list;
+ int poll_fd;
+ int ctrl_fd;
+ int local;
+ int transport_type;
+ int dev_type;
+ char name[256];
+ int stream;
+ int mode;
+ transport_ops_t *ops;
+ snd_async_handler_t *async_handler;
+ int async_sig;
+ pid_t async_pid;
+ union {
+ struct {
+ snd_pcm_t *handle;
+ int fd;
+ } pcm;
+ struct {
+ snd_ctl_t *handle;
+ int fd;
+ } ctl;
+#if 0
+ struct {
+ snd_rawmidi_t *handle;
+ } rawmidi;
+ struct {
+ snd_timer_open_t *handle;
+ } timer;
+ struct {
+ snd_hwdep_t *handle;
+ } hwdep;
+ struct {
+ snd_seq_t *handle;
+ } seq;
+#endif
+ } device;
+ int polling;
+ int open;
+ int cookie;
+ union {
+ struct {
+ int ctrl_id;
+ void *ctrl;
+ } shm;
+ } transport;
+};
+
+LIST_HEAD(clients);
+
+typedef struct {
+ struct list_head list;
+ int fd;
+ uint32_t cookie;
+} inet_pending_t;
+LIST_HEAD(inet_pendings);
+
+#if 0
+static int pcm_handler(waiter_t *waiter, unsigned short events)
+{
+ client_t *client = waiter->private_data;
+ char buf[1];
+ ssize_t n;
+ if (events & POLLIN) {
+ n = write(client->poll_fd, buf, 1);
+ if (n != 1) {
+ SYSERROR("write failed");
+ return -errno;
+ }
+ } else if (events & POLLOUT) {
+ n = read(client->poll_fd, buf, 1);
+ if (n != 1) {
+ SYSERROR("read failed");
+ return -errno;
+ }
+ }
+ del_waiter(waiter->fd);
+ client->polling = 0;
+ return 0;
+}
+#endif
+
+static void pcm_shm_hw_ptr_changed(snd_pcm_t *pcm, snd_pcm_t *src ATTRIBUTE_UNUSED)
+{
+ client_t *client = pcm->hw.private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = client->transport.shm.ctrl;
+ snd_pcm_t *loop;
+
+ ctrl->hw.changed = 1;
+ if (pcm->hw.fd >= 0) {
+ ctrl->hw.use_mmap = 1;
+ ctrl->hw.offset = pcm->hw.offset;
+ return;
+ }
+ ctrl->hw.use_mmap = 0;
+ ctrl->hw.ptr = pcm->hw.ptr ? *pcm->hw.ptr : 0;
+ for (loop = pcm->hw.master; loop; loop = loop->hw.master)
+ loop->hw.ptr = &ctrl->hw.ptr;
+ pcm->hw.ptr = &ctrl->hw.ptr;
+}
+
+static void pcm_shm_appl_ptr_changed(snd_pcm_t *pcm, snd_pcm_t *src ATTRIBUTE_UNUSED)
+{
+ client_t *client = pcm->appl.private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = client->transport.shm.ctrl;
+ snd_pcm_t *loop;
+
+ ctrl->appl.changed = 1;
+ if (pcm->appl.fd >= 0) {
+ ctrl->appl.use_mmap = 1;
+ ctrl->appl.offset = pcm->appl.offset;
+ return;
+ }
+ ctrl->appl.use_mmap = 0;
+ ctrl->appl.ptr = pcm->appl.ptr ? *pcm->appl.ptr : 0;
+ for (loop = pcm->appl.master; loop; loop = loop->appl.master)
+ loop->appl.ptr = &ctrl->appl.ptr;
+ pcm->appl.ptr = &ctrl->appl.ptr;
+}
+
+static int pcm_shm_open(client_t *client, int *cookie)
+{
+ int shmid;
+ snd_pcm_t *pcm;
+ int err;
+ int result;
+ err = snd_pcm_open(&pcm, client->name, client->stream, SND_PCM_NONBLOCK);
+ if (err < 0)
+ return err;
+ client->device.pcm.handle = pcm;
+ client->device.pcm.fd = _snd_pcm_poll_descriptor(pcm);
+ pcm->hw.private_data = client;
+ pcm->hw.changed = pcm_shm_hw_ptr_changed;
+ pcm->appl.private_data = client;
+ pcm->appl.changed = pcm_shm_appl_ptr_changed;
+
+ shmid = shmget(IPC_PRIVATE, PCM_SHM_SIZE, 0666);
+ if (shmid < 0) {
+ result = -errno;
+ SYSERROR("shmget failed");
+ goto _err;
+ }
+ client->transport.shm.ctrl_id = shmid;
+ client->transport.shm.ctrl = shmat(shmid, 0, 0);
+ if (client->transport.shm.ctrl == (void*) -1) {
+ result = -errno;
+ shmctl(shmid, IPC_RMID, 0);
+ SYSERROR("shmat failed");
+ goto _err;
+ }
+ *cookie = shmid;
+ return 0;
+
+ _err:
+ snd_pcm_close(pcm);
+ return result;
+
+}
+
+static int pcm_shm_close(client_t *client)
+{
+ int err;
+ snd_pcm_shm_ctrl_t *ctrl = client->transport.shm.ctrl;
+ if (client->polling) {
+ del_waiter(client->device.pcm.fd);
+ client->polling = 0;
+ }
+ err = snd_pcm_close(client->device.pcm.handle);
+ ctrl->result = err;
+ if (err < 0)
+ ERROR("snd_pcm_close");
+ if (client->transport.shm.ctrl) {
+ err = shmdt((void *)client->transport.shm.ctrl);
+ if (err < 0)
+ SYSERROR("shmdt failed");
+ err = shmctl(client->transport.shm.ctrl_id, IPC_RMID, 0);
+ if (err < 0)
+ SYSERROR("shmctl IPC_RMID failed");
+ client->transport.shm.ctrl = 0;
+ }
+ client->open = 0;
+ return 0;
+}
+
+static int shm_ack(client_t *client)
+{
+ struct pollfd pfd;
+ int err;
+ char buf[1];
+ pfd.fd = client->ctrl_fd;
+ pfd.events = POLLHUP;
+ if (poll(&pfd, 1, 0) == 1)
+ return -EBADFD;
+ err = write(client->ctrl_fd, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ return 0;
+}
+
+static int shm_ack_fd(client_t *client, int fd)
+{
+ struct pollfd pfd;
+ int err;
+ char buf[1];
+ pfd.fd = client->ctrl_fd;
+ pfd.events = POLLHUP;
+ if (poll(&pfd, 1, 0) == 1)
+ return -EBADFD;
+ err = snd_send_fd(client->ctrl_fd, buf, 1, fd);
+ if (err != 1)
+ return -EBADFD;
+ return 0;
+}
+
+static int shm_rbptr_fd(client_t *client, snd_pcm_rbptr_t *rbptr)
+{
+ if (rbptr->fd < 0)
+ return -EINVAL;
+ return shm_ack_fd(client, rbptr->fd);
+}
+
+static void async_handler(snd_async_handler_t *handler)
+{
+ client_t *client = snd_async_handler_get_callback_private(handler);
+ /* FIXME: use sigqueue */
+ kill(client->async_pid, client->async_sig);
+}
+
+static int pcm_shm_cmd(client_t *client)
+{
+ volatile snd_pcm_shm_ctrl_t *ctrl = client->transport.shm.ctrl;
+ char buf[1];
+ int err;
+ int cmd;
+ snd_pcm_t *pcm;
+ err = read(client->ctrl_fd, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ cmd = ctrl->cmd;
+ ctrl->cmd = 0;
+ pcm = client->device.pcm.handle;
+ switch (cmd) {
+ case SND_PCM_IOCTL_ASYNC:
+ ctrl->result = snd_pcm_async(pcm, ctrl->u.async.sig, ctrl->u.async.pid);
+ if (ctrl->result < 0)
+ break;
+ if (ctrl->u.async.sig >= 0) {
+ assert(client->async_sig < 0);
+ ctrl->result = snd_async_add_pcm_handler(&client->async_handler, pcm, async_handler, client);
+ if (ctrl->result < 0)
+ break;
+ } else {
+ assert(client->async_sig >= 0);
+ snd_async_del_handler(client->async_handler);
+ }
+ client->async_sig = ctrl->u.async.sig;
+ client->async_pid = ctrl->u.async.pid;
+ break;
+ case SNDRV_PCM_IOCTL_INFO:
+ ctrl->result = snd_pcm_info(pcm, (snd_pcm_info_t *) &ctrl->u.info);
+ break;
+ case SNDRV_PCM_IOCTL_HW_REFINE:
+ ctrl->result = snd_pcm_hw_refine(pcm, (snd_pcm_hw_params_t *) &ctrl->u.hw_refine);
+ break;
+ case SNDRV_PCM_IOCTL_HW_PARAMS:
+ ctrl->result = snd_pcm_hw_params(pcm, (snd_pcm_hw_params_t *) &ctrl->u.hw_params);
+ break;
+ case SNDRV_PCM_IOCTL_HW_FREE:
+ ctrl->result = snd_pcm_hw_free(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_SW_PARAMS:
+ ctrl->result = snd_pcm_sw_params(pcm, (snd_pcm_sw_params_t *) &ctrl->u.sw_params);
+ break;
+ case SNDRV_PCM_IOCTL_STATUS:
+ ctrl->result = snd_pcm_status(pcm, (snd_pcm_status_t *) &ctrl->u.status);
+ break;
+ case SND_PCM_IOCTL_STATE:
+ ctrl->result = snd_pcm_state(pcm);
+ break;
+ case SND_PCM_IOCTL_HWSYNC:
+ ctrl->result = snd_pcm_hwsync(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_DELAY:
+ ctrl->result = snd_pcm_delay(pcm, (snd_pcm_sframes_t *) &ctrl->u.delay.frames);
+ break;
+ case SND_PCM_IOCTL_AVAIL_UPDATE:
+ ctrl->result = snd_pcm_avail_update(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_PREPARE:
+ ctrl->result = snd_pcm_prepare(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_RESET:
+ ctrl->result = snd_pcm_reset(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_START:
+ ctrl->result = snd_pcm_start(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_DRAIN:
+ ctrl->result = snd_pcm_drain(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_DROP:
+ ctrl->result = snd_pcm_drop(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_PAUSE:
+ ctrl->result = snd_pcm_pause(pcm, ctrl->u.pause.enable);
+ break;
+ case SNDRV_PCM_IOCTL_CHANNEL_INFO:
+ ctrl->result = snd_pcm_channel_info(pcm, (snd_pcm_channel_info_t *) &ctrl->u.channel_info);
+ if (ctrl->result >= 0 &&
+ ctrl->u.channel_info.type == SND_PCM_AREA_MMAP)
+ return shm_ack_fd(client, ctrl->u.channel_info.u.mmap.fd);
+ break;
+ case SNDRV_PCM_IOCTL_REWIND:
+ ctrl->result = snd_pcm_rewind(pcm, ctrl->u.rewind.frames);
+ break;
+ case SND_PCM_IOCTL_FORWARD:
+ ctrl->result = snd_pcm_forward(pcm, ctrl->u.forward.frames);
+ break;
+ case SNDRV_PCM_IOCTL_LINK:
+ {
+ /* FIXME */
+ ctrl->result = -ENOSYS;
+ break;
+ }
+ case SNDRV_PCM_IOCTL_UNLINK:
+ ctrl->result = snd_pcm_unlink(pcm);
+ break;
+ case SNDRV_PCM_IOCTL_RESUME:
+ ctrl->result = snd_pcm_resume(pcm);
+ break;
+ case SND_PCM_IOCTL_MMAP:
+ {
+ ctrl->result = snd_pcm_mmap(pcm);
+ }
+ case SND_PCM_IOCTL_MUNMAP:
+ {
+ ctrl->result = snd_pcm_munmap(pcm);
+ break;
+ }
+ case SND_PCM_IOCTL_MMAP_COMMIT:
+ ctrl->result = snd_pcm_mmap_commit(pcm,
+ ctrl->u.mmap_commit.offset,
+ ctrl->u.mmap_commit.frames);
+ break;
+ case SND_PCM_IOCTL_POLL_DESCRIPTOR:
+ ctrl->result = 0;
+ return shm_ack_fd(client, _snd_pcm_poll_descriptor(pcm));
+ case SND_PCM_IOCTL_CLOSE:
+ client->ops->close(client);
+ break;
+ case SND_PCM_IOCTL_HW_PTR_FD:
+ return shm_rbptr_fd(client, &pcm->hw);
+ case SND_PCM_IOCTL_APPL_PTR_FD:
+ return shm_rbptr_fd(client, &pcm->appl);
+ default:
+ ERROR("Bogus cmd: %x", ctrl->cmd);
+ ctrl->result = -ENOSYS;
+ }
+ return shm_ack(client);
+}
+
+transport_ops_t pcm_shm_ops = {
+ .open = pcm_shm_open,
+ .cmd = pcm_shm_cmd,
+ .close = pcm_shm_close,
+};
+
+static int ctl_handler(waiter_t *waiter, unsigned short events)
+{
+ client_t *client = waiter->private_data;
+ char buf[1];
+ ssize_t n;
+ if (events & POLLIN) {
+ n = write(client->poll_fd, buf, 1);
+ if (n != 1) {
+ SYSERROR("write failed");
+ return -errno;
+ }
+ }
+ del_waiter(waiter->fd);
+ client->polling = 0;
+ return 0;
+}
+
+static int ctl_shm_open(client_t *client, int *cookie)
+{
+ int shmid;
+ snd_ctl_t *ctl;
+ int err;
+ int result;
+ err = snd_ctl_open(&ctl, client->name, SND_CTL_NONBLOCK);
+ if (err < 0)
+ return err;
+ client->device.ctl.handle = ctl;
+ client->device.ctl.fd = _snd_ctl_poll_descriptor(ctl);
+
+ shmid = shmget(IPC_PRIVATE, CTL_SHM_SIZE, 0666);
+ if (shmid < 0) {
+ result = -errno;
+ SYSERROR("shmget failed");
+ goto _err;
+ }
+ client->transport.shm.ctrl_id = shmid;
+ client->transport.shm.ctrl = shmat(shmid, 0, 0);
+ if (!client->transport.shm.ctrl) {
+ result = -errno;
+ shmctl(shmid, IPC_RMID, 0);
+ SYSERROR("shmat failed");
+ goto _err;
+ }
+ *cookie = shmid;
+ add_waiter(client->device.ctl.fd, POLLIN, ctl_handler, client);
+ client->polling = 1;
+ return 0;
+
+ _err:
+ snd_ctl_close(ctl);
+ return result;
+
+}
+
+static int ctl_shm_close(client_t *client)
+{
+ int err;
+ snd_ctl_shm_ctrl_t *ctrl = client->transport.shm.ctrl;
+ if (client->polling) {
+ del_waiter(client->device.ctl.fd);
+ client->polling = 0;
+ }
+ err = snd_ctl_close(client->device.ctl.handle);
+ ctrl->result = err;
+ if (err < 0)
+ ERROR("snd_ctl_close");
+ if (client->transport.shm.ctrl) {
+ err = shmdt((void *)client->transport.shm.ctrl);
+ if (err < 0)
+ SYSERROR("shmdt failed");
+ err = shmctl(client->transport.shm.ctrl_id, IPC_RMID, 0);
+ if (err < 0)
+ SYSERROR("shmctl failed");
+ client->transport.shm.ctrl = 0;
+ }
+ client->open = 0;
+ return 0;
+}
+
+static int ctl_shm_cmd(client_t *client)
+{
+ snd_ctl_shm_ctrl_t *ctrl = client->transport.shm.ctrl;
+ char buf[1];
+ int err;
+ int cmd;
+ snd_ctl_t *ctl;
+ err = read(client->ctrl_fd, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ cmd = ctrl->cmd;
+ ctrl->cmd = 0;
+ ctl = client->device.ctl.handle;
+ switch (cmd) {
+ case SND_CTL_IOCTL_ASYNC:
+ ctrl->result = snd_ctl_async(ctl, ctrl->u.async.sig, ctrl->u.async.pid);
+ if (ctrl->result < 0)
+ break;
+ if (ctrl->u.async.sig >= 0) {
+ assert(client->async_sig < 0);
+ ctrl->result = snd_async_add_ctl_handler(&client->async_handler, ctl, async_handler, client);
+ if (ctrl->result < 0)
+ break;
+ } else {
+ assert(client->async_sig >= 0);
+ snd_async_del_handler(client->async_handler);
+ }
+ client->async_sig = ctrl->u.async.sig;
+ client->async_pid = ctrl->u.async.pid;
+ break;
+ break;
+ case SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS:
+ ctrl->result = snd_ctl_subscribe_events(ctl, ctrl->u.subscribe_events);
+ break;
+ case SNDRV_CTL_IOCTL_CARD_INFO:
+ ctrl->result = snd_ctl_card_info(ctl, &ctrl->u.card_info);
+ break;
+ case SNDRV_CTL_IOCTL_ELEM_LIST:
+ {
+ size_t maxsize = CTL_SHM_DATA_MAXLEN;
+ if (ctrl->u.element_list.space * sizeof(*ctrl->u.element_list.pids) > maxsize) {
+ ctrl->result = -EFAULT;
+ break;
+ }
+ ctrl->u.element_list.pids = (snd_ctl_elem_id_t*) ctrl->data;
+ ctrl->result = snd_ctl_elem_list(ctl, &ctrl->u.element_list);
+ break;
+ }
+ case SNDRV_CTL_IOCTL_ELEM_INFO:
+ ctrl->result = snd_ctl_elem_info(ctl, &ctrl->u.element_info);
+ break;
+ case SNDRV_CTL_IOCTL_ELEM_READ:
+ ctrl->result = snd_ctl_elem_read(ctl, &ctrl->u.element_read);
+ break;
+ case SNDRV_CTL_IOCTL_ELEM_WRITE:
+ ctrl->result = snd_ctl_elem_write(ctl, &ctrl->u.element_write);
+ break;
+ case SNDRV_CTL_IOCTL_ELEM_LOCK:
+ ctrl->result = snd_ctl_elem_lock(ctl, &ctrl->u.element_lock);
+ break;
+ case SNDRV_CTL_IOCTL_ELEM_UNLOCK:
+ ctrl->result = snd_ctl_elem_unlock(ctl, &ctrl->u.element_unlock);
+ break;
+ case SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE:
+ ctrl->result = snd_ctl_hwdep_next_device(ctl, &ctrl->u.device);
+ break;
+ case SNDRV_CTL_IOCTL_HWDEP_INFO:
+ ctrl->result = snd_ctl_hwdep_info(ctl, &ctrl->u.hwdep_info);
+ break;
+ case SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE:
+ ctrl->result = snd_ctl_pcm_next_device(ctl, &ctrl->u.device);
+ break;
+ case SNDRV_CTL_IOCTL_PCM_INFO:
+ ctrl->result = snd_ctl_pcm_info(ctl, &ctrl->u.pcm_info);
+ break;
+ case SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE:
+ ctrl->result = snd_ctl_pcm_prefer_subdevice(ctl, ctrl->u.pcm_prefer_subdevice);
+ break;
+ case SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE:
+ ctrl->result = snd_ctl_rawmidi_next_device(ctl, &ctrl->u.device);
+ break;
+ case SNDRV_CTL_IOCTL_RAWMIDI_INFO:
+ ctrl->result = snd_ctl_rawmidi_info(ctl, &ctrl->u.rawmidi_info);
+ break;
+ case SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE:
+ ctrl->result = snd_ctl_rawmidi_prefer_subdevice(ctl, ctrl->u.rawmidi_prefer_subdevice);
+ break;
+ case SNDRV_CTL_IOCTL_POWER:
+ ctrl->result = snd_ctl_set_power_state(ctl, ctrl->u.power_state);
+ break;
+ case SNDRV_CTL_IOCTL_POWER_STATE:
+ ctrl->result = snd_ctl_get_power_state(ctl, &ctrl->u.power_state);
+ break;
+ case SND_CTL_IOCTL_READ:
+ ctrl->result = snd_ctl_read(ctl, &ctrl->u.read);
+ break;
+ case SND_CTL_IOCTL_CLOSE:
+ client->ops->close(client);
+ break;
+ case SND_CTL_IOCTL_POLL_DESCRIPTOR:
+ ctrl->result = 0;
+ return shm_ack_fd(client, _snd_ctl_poll_descriptor(ctl));
+ default:
+ ERROR("Bogus cmd: %x", ctrl->cmd);
+ ctrl->result = -ENOSYS;
+ }
+ return shm_ack(client);
+}
+
+transport_ops_t ctl_shm_ops = {
+ .open = ctl_shm_open,
+ .cmd = ctl_shm_cmd,
+ .close = ctl_shm_close,
+};
+
+static int snd_client_open(client_t *client)
+{
+ int err;
+ snd_client_open_request_t req;
+ snd_client_open_answer_t ans;
+ char *name;
+ memset(&ans, 0, sizeof(ans));
+ err = read(client->ctrl_fd, &req, sizeof(req));
+ if (err < 0) {
+ SYSERROR("read failed");
+ exit(1);
+ }
+ if (err != sizeof(req)) {
+ ans.result = -EINVAL;
+ goto _answer;
+ }
+ name = alloca(req.namelen);
+ err = read(client->ctrl_fd, name, req.namelen);
+ if (err < 0) {
+ SYSERROR("read failed");
+ exit(1);
+ }
+ if (err != req.namelen) {
+ ans.result = -EINVAL;
+ goto _answer;
+ }
+
+ switch (req.transport_type) {
+ case SND_TRANSPORT_TYPE_SHM:
+ if (!client->local) {
+ ans.result = -EINVAL;
+ goto _answer;
+ }
+ switch (req.dev_type) {
+ case SND_DEV_TYPE_PCM:
+ client->ops = &pcm_shm_ops;
+ break;
+ case SND_DEV_TYPE_CONTROL:
+ client->ops = &ctl_shm_ops;
+ break;
+ default:
+ ans.result = -EINVAL;
+ goto _answer;
+ }
+ break;
+ default:
+ ans.result = -EINVAL;
+ goto _answer;
+ }
+
+ name[req.namelen] = '\0';
+
+ client->transport_type = req.transport_type;
+ strcpy(client->name, name);
+ client->stream = req.stream;
+ client->mode = req.mode;
+
+ err = client->ops->open(client, &ans.cookie);
+ if (err < 0) {
+ ans.result = err;
+ } else {
+ client->open = 1;
+ ans.result = 0;
+ }
+
+ _answer:
+ err = write(client->ctrl_fd, &ans, sizeof(ans));
+ if (err != sizeof(ans)) {
+ SYSERROR("write failed");
+ exit(1);
+ }
+ return 0;
+}
+
+static int client_poll_handler(waiter_t *waiter, unsigned short events ATTRIBUTE_UNUSED)
+{
+ client_t *client = waiter->private_data;
+ if (client->open)
+ client->ops->close(client);
+ close(client->poll_fd);
+ close(client->ctrl_fd);
+ del_waiter(client->poll_fd);
+ del_waiter(client->ctrl_fd);
+ list_del(&client->list);
+ free(client);
+ return 0;
+}
+
+static int client_ctrl_handler(waiter_t *waiter, unsigned short events)
+{
+ client_t *client = waiter->private_data;
+ if (events & POLLHUP) {
+ if (client->open)
+ client->ops->close(client);
+ close(client->ctrl_fd);
+ del_waiter(client->ctrl_fd);
+ list_del(&client->list);
+ free(client);
+ return 0;
+ }
+ if (client->open)
+ return client->ops->cmd(client);
+ else
+ return snd_client_open(client);
+}
+
+static int inet_pending_handler(waiter_t *waiter, unsigned short events)
+{
+ inet_pending_t *pending = waiter->private_data;
+ inet_pending_t *pdata;
+ client_t *client;
+ uint32_t cookie;
+ struct list_head *item;
+ int remove = 0;
+ if (events & POLLHUP)
+ remove = 1;
+ else {
+ int err = read(waiter->fd, &cookie, sizeof(cookie));
+ if (err != sizeof(cookie))
+ remove = 1;
+ else {
+ err = write(waiter->fd, &cookie, sizeof(cookie));
+ if (err != sizeof(cookie))
+ remove = 1;
+ }
+ }
+ del_waiter(waiter->fd);
+ if (remove) {
+ close(waiter->fd);
+ list_del(&pending->list);
+ free(pending);
+ return 0;
+ }
+
+ list_for_each(item, &inet_pendings) {
+ pdata = list_entry(item, inet_pending_t, list);
+ if (pdata->cookie == cookie)
+ goto found;
+ }
+ pending->cookie = cookie;
+ return 0;
+
+ found:
+ client = calloc(1, sizeof(*client));
+ client->local = 0;
+ client->poll_fd = pdata->fd;
+ client->ctrl_fd = waiter->fd;
+ add_waiter(client->ctrl_fd, POLLIN | POLLHUP, client_ctrl_handler, client);
+ add_waiter(client->poll_fd, POLLHUP, client_poll_handler, client);
+ client->open = 0;
+ list_add_tail(&client->list, &clients);
+ list_del(&pending->list);
+ list_del(&pdata->list);
+ free(pending);
+ free(pdata);
+ return 0;
+}
+
+static int local_handler(waiter_t *waiter, unsigned short events ATTRIBUTE_UNUSED)
+{
+ int sock;
+ sock = accept(waiter->fd, 0, 0);
+ if (sock < 0) {
+ int result = -errno;
+ SYSERROR("accept failed");
+ return result;
+ } else {
+ client_t *client = calloc(1, sizeof(*client));
+ client->ctrl_fd = sock;
+ client->local = 1;
+ client->open = 0;
+ add_waiter(sock, POLLIN | POLLHUP, client_ctrl_handler, client);
+ list_add_tail(&client->list, &clients);
+ }
+ return 0;
+}
+
+static int inet_handler(waiter_t *waiter, unsigned short events ATTRIBUTE_UNUSED)
+{
+ int sock;
+ sock = accept(waiter->fd, 0, 0);
+ if (sock < 0) {
+ int result = -errno;
+ SYSERROR("accept failed");
+ return result;
+ } else {
+ inet_pending_t *pending = calloc(1, sizeof(*pending));
+ pending->fd = sock;
+ pending->cookie = 0;
+ add_waiter(sock, POLLIN, inet_pending_handler, pending);
+ list_add_tail(&pending->list, &inet_pendings);
+ }
+ return 0;
+}
+
+static int server(const char *sockname, int port)
+{
+ int err;
+ unsigned int k;
+ long open_max;
+ int result;
+
+ if (!sockname && port < 0)
+ return -EINVAL;
+ open_max = sysconf(_SC_OPEN_MAX);
+ if (open_max < 0) {
+ result = -errno;
+ SYSERROR("sysconf failed");
+ return result;
+ }
+ pollfds = calloc((size_t) open_max, sizeof(*pollfds));
+ waiters = calloc((size_t) open_max, sizeof(*waiters));
+
+ if (sockname) {
+ int sock = make_local_socket(sockname);
+ if (sock < 0)
+ return sock;
+ if (fcntl(sock, F_SETFL, O_NONBLOCK) < 0) {
+ result = -errno;
+ SYSERROR("fcntl O_NONBLOCK failed");
+ goto _end;
+ }
+ if (listen(sock, 4) < 0) {
+ result = -errno;
+ SYSERROR("listen failed");
+ goto _end;
+ }
+ add_waiter(sock, POLLIN, local_handler, NULL);
+ }
+ if (port >= 0) {
+ int sock = make_inet_socket(port);
+ if (sock < 0)
+ return sock;
+ if (fcntl(sock, F_SETFL, O_NONBLOCK) < 0) {
+ result = -errno;
+ SYSERROR("fcntl failed");
+ goto _end;
+ }
+ if (listen(sock, 4) < 0) {
+ result = -errno;
+ SYSERROR("listen failed");
+ goto _end;
+ }
+ add_waiter(sock, POLLIN, inet_handler, NULL);
+ }
+
+ while (1) {
+ struct pollfd pfds[open_max];
+ size_t pfds_count;
+ do {
+ err = poll(pollfds, pollfds_count, -1);
+ } while (err == 0);
+ if (err < 0) {
+ SYSERROR("poll failed");
+ continue;
+ }
+
+ pfds_count = pollfds_count;
+ memcpy(pfds, pollfds, sizeof(*pfds) * pfds_count);
+ for (k = 0; k < pfds_count; k++) {
+ struct pollfd *pfd = &pfds[k];
+ if (pfd->revents) {
+ waiter_t *w = &waiters[pfd->fd];
+ if (!w->handler)
+ continue;
+ err = w->handler(w, pfd->revents);
+ if (err < 0)
+ ERROR("waiter handler failed");
+ }
+ }
+ }
+ _end:
+ free(pollfds);
+ free(waiters);
+ return result;
+}
+
+
+static void usage(void)
+{
+ fprintf(stderr,
+ "Usage: %s [OPTIONS] server\n"
+ "--help help\n",
+ command);
+}
+
+int main(int argc, char **argv)
+{
+ static const struct option long_options[] = {
+ {"help", 0, 0, 'h'},
+ { 0 , 0 , 0, 0 }
+ };
+ int c;
+ snd_config_t *conf;
+ snd_config_iterator_t i, next;
+ const char *sockname = NULL;
+ long port = -1;
+ int err;
+ char *srvname;
+
+ command = argv[0];
+ while ((c = getopt_long(argc, argv, "h", long_options, 0)) != -1) {
+ switch (c) {
+ case 'h':
+ usage();
+ return 0;
+ default:
+ fprintf(stderr, "Try `%s --help' for more information\n", command);
+ return 1;
+ }
+ }
+ if (argc - optind != 1) {
+ ERROR("you need to specify server name");
+ return 1;
+ }
+ err = snd_config_update();
+ if (err < 0) {
+ ERROR("cannot read configuration file");
+ return 1;
+ }
+ srvname = argv[optind];
+ err = snd_config_search_definition(snd_config, "server", srvname, &conf);
+ if (err < 0) {
+ ERROR("Missing definition for server %s", srvname);
+ return 1;
+ }
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for server %s definition", srvname);
+ return -EINVAL;
+ }
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "host") == 0)
+ continue;
+ if (strcmp(id, "socket") == 0) {
+ err = snd_config_get_string(n, &sockname);
+ if (err < 0) {
+ ERROR("Invalid type for %s", id);
+ return 1;
+ }
+ continue;
+ }
+ if (strcmp(id, "port") == 0) {
+ err = snd_config_get_integer(n, &port);
+ if (err < 0) {
+ ERROR("Invalid type for %s", id);
+ return 1;
+ }
+ continue;
+ }
+ ERROR("Unknown field %s", id);
+ return 1;
+ }
+ if (!sockname && port < 0) {
+ ERROR("either socket or port need to be defined");
+ return 1;
+ }
+ server(sockname, port);
+ return 0;
+}
diff --git a/config.guess b/config.guess
new file mode 100755
index 0000000..c0adba9
--- /dev/null
+++ b/config.guess
@@ -0,0 +1,1530 @@
+#! /bin/sh
+# Attempt to guess a canonical system name.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+# 2011, 2012 Free Software Foundation, Inc.
+
+timestamp='2012-06-10'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Originally written by Per Bothner. Please send patches (context
+# diff format) to <config-patches@gnu.org> and include a ChangeLog
+# entry.
+#
+# This script attempts to guess a canonical system name similar to
+# config.sub. If it succeeds, it prints the system name on stdout, and
+# exits with 0. Otherwise, it exits with 1.
+#
+# You can get the latest version of this script from:
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Operation modes:
+ -h, --help print this help, then exit
+ -t, --time-stamp print date of last modification, then exit
+ -v, --version print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+ case $1 in
+ --time-stamp | --time* | -t )
+ echo "$timestamp" ; exit ;;
+ --version | -v )
+ echo "$version" ; exit ;;
+ --help | --h* | -h )
+ echo "$usage"; exit ;;
+ -- ) # Stop option processing
+ shift; break ;;
+ - ) # Use stdin as input.
+ break ;;
+ -* )
+ echo "$me: invalid option $1$help" >&2
+ exit 1 ;;
+ * )
+ break ;;
+ esac
+done
+
+if test $# != 0; then
+ echo "$me: too many arguments$help" >&2
+ exit 1
+fi
+
+trap 'exit 1' 1 2 15
+
+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
+# compiler to aid in system detection is discouraged as it requires
+# temporary files to be created and, as you can see below, it is a
+# headache to deal with in a portable fashion.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# Portable tmp directory creation inspired by the Autoconf team.
+
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,) echo "int x;" > $dummy.c ;
+ for c in cc gcc c89 c99 ; do
+ if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+ CC_FOR_BUILD="$c"; break ;
+ fi ;
+ done ;
+ if test x"$CC_FOR_BUILD" = x ; then
+ CC_FOR_BUILD=no_compiler_found ;
+ fi
+ ;;
+ ,,*) CC_FOR_BUILD=$CC ;;
+ ,*,*) CC_FOR_BUILD=$HOST_CC ;;
+esac ; set_cc_for_build= ;'
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi@noc.rutgers.edu 1994-08-24)
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+ PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+# Note: order is significant - the case branches are not exclusive.
+
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+ *:NetBSD:*:*)
+ # NetBSD (nbsd) targets should (where applicable) match one or
+ # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
+ # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently
+ # switched to ELF, *-*-netbsd* would select the old
+ # object file format. This provides both forward
+ # compatibility and a consistent mechanism for selecting the
+ # object file format.
+ #
+ # Note: NetBSD doesn't particularly care about the vendor
+ # portion of the name. We always set it to "unknown".
+ sysctl="sysctl -n hw.machine_arch"
+ UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
+ /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+ case "${UNAME_MACHINE_ARCH}" in
+ armeb) machine=armeb-unknown ;;
+ arm*) machine=arm-unknown ;;
+ sh3el) machine=shl-unknown ;;
+ sh3eb) machine=sh-unknown ;;
+ sh5el) machine=sh5le-unknown ;;
+ *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+ esac
+ # The Operating System including object format, if it has switched
+ # to ELF recently, or will in the future.
+ case "${UNAME_MACHINE_ARCH}" in
+ arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+ eval $set_cc_for_build
+ if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+ | grep -q __ELF__
+ then
+ # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+ # Return netbsd for either. FIX?
+ os=netbsd
+ else
+ os=netbsdelf
+ fi
+ ;;
+ *)
+ os=netbsd
+ ;;
+ esac
+ # The OS release
+ # Debian GNU/NetBSD machines have a different userland, and
+ # thus, need a distinct triplet. However, they do not need
+ # kernel version information, so it can be replaced with a
+ # suitable tag, in the style of linux-gnu.
+ case "${UNAME_VERSION}" in
+ Debian*)
+ release='-gnu'
+ ;;
+ *)
+ release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+ ;;
+ esac
+ # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+ # contains redundant information, the shorter form:
+ # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+ echo "${machine}-${os}${release}"
+ exit ;;
+ *:OpenBSD:*:*)
+ UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+ echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+ exit ;;
+ *:ekkoBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+ exit ;;
+ *:SolidBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
+ exit ;;
+ macppc:MirBSD:*:*)
+ echo powerpc-unknown-mirbsd${UNAME_RELEASE}
+ exit ;;
+ *:MirBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+ exit ;;
+ alpha:OSF1:*:*)
+ case $UNAME_RELEASE in
+ *4.0)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+ ;;
+ *5.*)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+ ;;
+ esac
+ # According to Compaq, /usr/sbin/psrinfo has been available on
+ # OSF/1 and Tru64 systems produced since 1995. I hope that
+ # covers most systems running today. This code pipes the CPU
+ # types through head -n 1, so we only detect the type of CPU 0.
+ ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+ case "$ALPHA_CPU_TYPE" in
+ "EV4 (21064)")
+ UNAME_MACHINE="alpha" ;;
+ "EV4.5 (21064)")
+ UNAME_MACHINE="alpha" ;;
+ "LCA4 (21066/21068)")
+ UNAME_MACHINE="alpha" ;;
+ "EV5 (21164)")
+ UNAME_MACHINE="alphaev5" ;;
+ "EV5.6 (21164A)")
+ UNAME_MACHINE="alphaev56" ;;
+ "EV5.6 (21164PC)")
+ UNAME_MACHINE="alphapca56" ;;
+ "EV5.7 (21164PC)")
+ UNAME_MACHINE="alphapca57" ;;
+ "EV6 (21264)")
+ UNAME_MACHINE="alphaev6" ;;
+ "EV6.7 (21264A)")
+ UNAME_MACHINE="alphaev67" ;;
+ "EV6.8CB (21264C)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.8AL (21264B)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.8CX (21264D)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.9A (21264/EV69A)")
+ UNAME_MACHINE="alphaev69" ;;
+ "EV7 (21364)")
+ UNAME_MACHINE="alphaev7" ;;
+ "EV7.9 (21364A)")
+ UNAME_MACHINE="alphaev79" ;;
+ esac
+ # A Pn.n version is a patched version.
+ # A Vn.n version is a released version.
+ # A Tn.n version is a released field test version.
+ # A Xn.n version is an unreleased experimental baselevel.
+ # 1.2 uses "1.2" for uname -r.
+ echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+ # Reset EXIT trap before exiting to avoid spurious non-zero exit code.
+ exitcode=$?
+ trap '' 0
+ exit $exitcode ;;
+ Alpha\ *:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # Should we change UNAME_MACHINE based on the output of uname instead
+ # of the specific Alpha model?
+ echo alpha-pc-interix
+ exit ;;
+ 21064:Windows_NT:50:3)
+ echo alpha-dec-winnt3.5
+ exit ;;
+ Amiga*:UNIX_System_V:4.0:*)
+ echo m68k-unknown-sysv4
+ exit ;;
+ *:[Aa]miga[Oo][Ss]:*:*)
+ echo ${UNAME_MACHINE}-unknown-amigaos
+ exit ;;
+ *:[Mm]orph[Oo][Ss]:*:*)
+ echo ${UNAME_MACHINE}-unknown-morphos
+ exit ;;
+ *:OS/390:*:*)
+ echo i370-ibm-openedition
+ exit ;;
+ *:z/VM:*:*)
+ echo s390-ibm-zvmoe
+ exit ;;
+ *:OS400:*:*)
+ echo powerpc-ibm-os400
+ exit ;;
+ arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+ echo arm-acorn-riscix${UNAME_RELEASE}
+ exit ;;
+ arm:riscos:*:*|arm:RISCOS:*:*)
+ echo arm-unknown-riscos
+ exit ;;
+ SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+ echo hppa1.1-hitachi-hiuxmpp
+ exit ;;
+ Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+ # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+ if test "`(/bin/universe) 2>/dev/null`" = att ; then
+ echo pyramid-pyramid-sysv3
+ else
+ echo pyramid-pyramid-bsd
+ fi
+ exit ;;
+ NILE*:*:*:dcosx)
+ echo pyramid-pyramid-svr4
+ exit ;;
+ DRS?6000:unix:4.0:6*)
+ echo sparc-icl-nx6
+ exit ;;
+ DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*)
+ case `/usr/bin/uname -p` in
+ sparc) echo sparc-icl-nx7; exit ;;
+ esac ;;
+ s390x:SunOS:*:*)
+ echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4H:SunOS:5.*:*)
+ echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+ echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
+ echo i386-pc-auroraux${UNAME_RELEASE}
+ exit ;;
+ i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
+ eval $set_cc_for_build
+ SUN_ARCH="i386"
+ # If there is a compiler, see if it is configured for 64-bit objects.
+ # Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
+ # This test works for both compilers.
+ if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+ if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
+ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+ grep IS_64BIT_ARCH >/dev/null
+ then
+ SUN_ARCH="x86_64"
+ fi
+ fi
+ echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:6*:*)
+ # According to config.sub, this is the proper way to canonicalize
+ # SunOS6. Hard to guess exactly what SunOS6 will be like, but
+ # it's likely to be more like Solaris than SunOS4.
+ echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ sun4*:SunOS:*:*)
+ case "`/usr/bin/arch -k`" in
+ Series*|S4*)
+ UNAME_RELEASE=`uname -v`
+ ;;
+ esac
+ # Japanese Language versions have a version number like `4.1.3-JL'.
+ echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+ exit ;;
+ sun3*:SunOS:*:*)
+ echo m68k-sun-sunos${UNAME_RELEASE}
+ exit ;;
+ sun*:*:4.2BSD:*)
+ UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+ test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+ case "`/bin/arch`" in
+ sun3)
+ echo m68k-sun-sunos${UNAME_RELEASE}
+ ;;
+ sun4)
+ echo sparc-sun-sunos${UNAME_RELEASE}
+ ;;
+ esac
+ exit ;;
+ aushp:SunOS:*:*)
+ echo sparc-auspex-sunos${UNAME_RELEASE}
+ exit ;;
+ # The situation for MiNT is a little confusing. The machine name
+ # can be virtually everything (everything which is not
+ # "atarist" or "atariste" at least should have a processor
+ # > m68000). The system name ranges from "MiNT" over "FreeMiNT"
+ # to the lowercase version "mint" (or "freemint"). Finally
+ # the system name "TOS" denotes a system which is actually not
+ # MiNT. But MiNT is downward compatible to TOS, so this should
+ # be no problem.
+ atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit ;;
+ milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+ echo m68k-milan-mint${UNAME_RELEASE}
+ exit ;;
+ hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+ echo m68k-hades-mint${UNAME_RELEASE}
+ exit ;;
+ *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+ echo m68k-unknown-mint${UNAME_RELEASE}
+ exit ;;
+ m68k:machten:*:*)
+ echo m68k-apple-machten${UNAME_RELEASE}
+ exit ;;
+ powerpc:machten:*:*)
+ echo powerpc-apple-machten${UNAME_RELEASE}
+ exit ;;
+ RISC*:Mach:*:*)
+ echo mips-dec-mach_bsd4.3
+ exit ;;
+ RISC*:ULTRIX:*:*)
+ echo mips-dec-ultrix${UNAME_RELEASE}
+ exit ;;
+ VAX*:ULTRIX*:*:*)
+ echo vax-dec-ultrix${UNAME_RELEASE}
+ exit ;;
+ 2020:CLIX:*:* | 2430:CLIX:*:*)
+ echo clipper-intergraph-clix${UNAME_RELEASE}
+ exit ;;
+ mips:*:*:UMIPS | mips:*:*:RISCos)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+#ifdef __cplusplus
+#include <stdio.h> /* for printf() prototype */
+ int main (int argc, char *argv[]) {
+#else
+ int main (argc, argv) int argc; char *argv[]; {
+#endif
+ #if defined (host_mips) && defined (MIPSEB)
+ #if defined (SYSTYPE_SYSV)
+ printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+ #endif
+ #if defined (SYSTYPE_SVR4)
+ printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+ #endif
+ #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+ printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+ #endif
+ #endif
+ exit (-1);
+ }
+EOF
+ $CC_FOR_BUILD -o $dummy $dummy.c &&
+ dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+ SYSTEM_NAME=`$dummy $dummyarg` &&
+ { echo "$SYSTEM_NAME"; exit; }
+ echo mips-mips-riscos${UNAME_RELEASE}
+ exit ;;
+ Motorola:PowerMAX_OS:*:*)
+ echo powerpc-motorola-powermax
+ exit ;;
+ Motorola:*:4.3:PL8-*)
+ echo powerpc-harris-powermax
+ exit ;;
+ Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+ echo powerpc-harris-powermax
+ exit ;;
+ Night_Hawk:Power_UNIX:*:*)
+ echo powerpc-harris-powerunix
+ exit ;;
+ m88k:CX/UX:7*:*)
+ echo m88k-harris-cxux7
+ exit ;;
+ m88k:*:4*:R4*)
+ echo m88k-motorola-sysv4
+ exit ;;
+ m88k:*:3*:R3*)
+ echo m88k-motorola-sysv3
+ exit ;;
+ AViiON:dgux:*:*)
+ # DG/UX returns AViiON for all architectures
+ UNAME_PROCESSOR=`/usr/bin/uname -p`
+ if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+ then
+ if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+ [ ${TARGET_BINARY_INTERFACE}x = x ]
+ then
+ echo m88k-dg-dgux${UNAME_RELEASE}
+ else
+ echo m88k-dg-dguxbcs${UNAME_RELEASE}
+ fi
+ else
+ echo i586-dg-dgux${UNAME_RELEASE}
+ fi
+ exit ;;
+ M88*:DolphinOS:*:*) # DolphinOS (SVR3)
+ echo m88k-dolphin-sysv3
+ exit ;;
+ M88*:*:R3*:*)
+ # Delta 88k system running SVR3
+ echo m88k-motorola-sysv3
+ exit ;;
+ XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+ echo m88k-tektronix-sysv3
+ exit ;;
+ Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+ echo m68k-tektronix-bsd
+ exit ;;
+ *:IRIX*:*:*)
+ echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+ exit ;;
+ ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+ echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id
+ exit ;; # Note that: echo "'`uname -s`'" gives 'AIX '
+ i*86:AIX:*:*)
+ echo i386-ibm-aix
+ exit ;;
+ ia64:AIX:*:*)
+ if [ -x /usr/bin/oslevel ] ; then
+ IBM_REV=`/usr/bin/oslevel`
+ else
+ IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+ fi
+ echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+ exit ;;
+ *:AIX:2:3)
+ if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <sys/systemcfg.h>
+
+ main()
+ {
+ if (!__power_pc())
+ exit(1);
+ puts("powerpc-ibm-aix3.2.5");
+ exit(0);
+ }
+EOF
+ if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+ then
+ echo "$SYSTEM_NAME"
+ else
+ echo rs6000-ibm-aix3.2.5
+ fi
+ elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+ echo rs6000-ibm-aix3.2.4
+ else
+ echo rs6000-ibm-aix3.2
+ fi
+ exit ;;
+ *:AIX:*:[4567])
+ IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+ if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+ IBM_ARCH=rs6000
+ else
+ IBM_ARCH=powerpc
+ fi
+ if [ -x /usr/bin/oslevel ] ; then
+ IBM_REV=`/usr/bin/oslevel`
+ else
+ IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+ fi
+ echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+ exit ;;
+ *:AIX:*:*)
+ echo rs6000-ibm-aix
+ exit ;;
+ ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+ echo romp-ibm-bsd4.4
+ exit ;;
+ ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and
+ echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to
+ exit ;; # report: romp-ibm BSD 4.3
+ *:BOSX:*:*)
+ echo rs6000-bull-bosx
+ exit ;;
+ DPX/2?00:B.O.S.:*:*)
+ echo m68k-bull-sysv3
+ exit ;;
+ 9000/[34]??:4.3bsd:1.*:*)
+ echo m68k-hp-bsd
+ exit ;;
+ hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+ echo m68k-hp-bsd4.4
+ exit ;;
+ 9000/[34678]??:HP-UX:*:*)
+ HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+ case "${UNAME_MACHINE}" in
+ 9000/31? ) HP_ARCH=m68000 ;;
+ 9000/[34]?? ) HP_ARCH=m68k ;;
+ 9000/[678][0-9][0-9])
+ if [ -x /usr/bin/getconf ]; then
+ sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+ sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+ case "${sc_cpu_version}" in
+ 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
+ 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+ 532) # CPU_PA_RISC2_0
+ case "${sc_kernel_bits}" in
+ 32) HP_ARCH="hppa2.0n" ;;
+ 64) HP_ARCH="hppa2.0w" ;;
+ '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20
+ esac ;;
+ esac
+ fi
+ if [ "${HP_ARCH}" = "" ]; then
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+
+ #define _HPUX_SOURCE
+ #include <stdlib.h>
+ #include <unistd.h>
+
+ int main ()
+ {
+ #if defined(_SC_KERNEL_BITS)
+ long bits = sysconf(_SC_KERNEL_BITS);
+ #endif
+ long cpu = sysconf (_SC_CPU_VERSION);
+
+ switch (cpu)
+ {
+ case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+ case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+ case CPU_PA_RISC2_0:
+ #if defined(_SC_KERNEL_BITS)
+ switch (bits)
+ {
+ case 64: puts ("hppa2.0w"); break;
+ case 32: puts ("hppa2.0n"); break;
+ default: puts ("hppa2.0"); break;
+ } break;
+ #else /* !defined(_SC_KERNEL_BITS) */
+ puts ("hppa2.0"); break;
+ #endif
+ default: puts ("hppa1.0"); break;
+ }
+ exit (0);
+ }
+EOF
+ (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+ test -z "$HP_ARCH" && HP_ARCH=hppa
+ fi ;;
+ esac
+ if [ ${HP_ARCH} = "hppa2.0w" ]
+ then
+ eval $set_cc_for_build
+
+ # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
+ # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler
+ # generating 64-bit code. GNU and HP use different nomenclature:
+ #
+ # $ CC_FOR_BUILD=cc ./config.guess
+ # => hppa2.0w-hp-hpux11.23
+ # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
+ # => hppa64-hp-hpux11.23
+
+ if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+ grep -q __LP64__
+ then
+ HP_ARCH="hppa2.0w"
+ else
+ HP_ARCH="hppa64"
+ fi
+ fi
+ echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+ exit ;;
+ ia64:HP-UX:*:*)
+ HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+ echo ia64-hp-hpux${HPUX_REV}
+ exit ;;
+ 3050*:HI-UX:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <unistd.h>
+ int
+ main ()
+ {
+ long cpu = sysconf (_SC_CPU_VERSION);
+ /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+ true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct
+ results, however. */
+ if (CPU_IS_PA_RISC (cpu))
+ {
+ switch (cpu)
+ {
+ case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+ case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+ case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+ default: puts ("hppa-hitachi-hiuxwe2"); break;
+ }
+ }
+ else if (CPU_IS_HP_MC68K (cpu))
+ puts ("m68k-hitachi-hiuxwe2");
+ else puts ("unknown-hitachi-hiuxwe2");
+ exit (0);
+ }
+EOF
+ $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+ { echo "$SYSTEM_NAME"; exit; }
+ echo unknown-hitachi-hiuxwe2
+ exit ;;
+ 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+ echo hppa1.1-hp-bsd
+ exit ;;
+ 9000/8??:4.3bsd:*:*)
+ echo hppa1.0-hp-bsd
+ exit ;;
+ *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+ echo hppa1.0-hp-mpeix
+ exit ;;
+ hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+ echo hppa1.1-hp-osf
+ exit ;;
+ hp8??:OSF1:*:*)
+ echo hppa1.0-hp-osf
+ exit ;;
+ i*86:OSF1:*:*)
+ if [ -x /usr/sbin/sysversion ] ; then
+ echo ${UNAME_MACHINE}-unknown-osf1mk
+ else
+ echo ${UNAME_MACHINE}-unknown-osf1
+ fi
+ exit ;;
+ parisc*:Lites*:*:*)
+ echo hppa1.1-hp-lites
+ exit ;;
+ C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+ echo c1-convex-bsd
+ exit ;;
+ C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+ if getsysinfo -f scalar_acc
+ then echo c32-convex-bsd
+ else echo c2-convex-bsd
+ fi
+ exit ;;
+ C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+ echo c34-convex-bsd
+ exit ;;
+ C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+ echo c38-convex-bsd
+ exit ;;
+ C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+ echo c4-convex-bsd
+ exit ;;
+ CRAY*Y-MP:*:*:*)
+ echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*[A-Z]90:*:*:*)
+ echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+ -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*TS:*:*:*)
+ echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*T3E:*:*:*)
+ echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ CRAY*SV1:*:*:*)
+ echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ *:UNICOS/mp:*:*)
+ echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit ;;
+ F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+ FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+ FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+ echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+ exit ;;
+ 5000:UNIX_System_V:4.*:*)
+ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+ FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+ echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+ exit ;;
+ i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+ echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+ exit ;;
+ sparc*:BSD/OS:*:*)
+ echo sparc-unknown-bsdi${UNAME_RELEASE}
+ exit ;;
+ *:BSD/OS:*:*)
+ echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+ exit ;;
+ *:FreeBSD:*:*)
+ UNAME_PROCESSOR=`/usr/bin/uname -p`
+ case ${UNAME_PROCESSOR} in
+ amd64)
+ echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+ *)
+ echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+ esac
+ exit ;;
+ i*:CYGWIN*:*)
+ echo ${UNAME_MACHINE}-pc-cygwin
+ exit ;;
+ *:MINGW*:*)
+ echo ${UNAME_MACHINE}-pc-mingw32
+ exit ;;
+ i*:MSYS*:*)
+ echo ${UNAME_MACHINE}-pc-msys
+ exit ;;
+ i*:windows32*:*)
+ # uname -m includes "-pc" on this system.
+ echo ${UNAME_MACHINE}-mingw32
+ exit ;;
+ i*:PW*:*)
+ echo ${UNAME_MACHINE}-pc-pw32
+ exit ;;
+ *:Interix*:*)
+ case ${UNAME_MACHINE} in
+ x86)
+ echo i586-pc-interix${UNAME_RELEASE}
+ exit ;;
+ authenticamd | genuineintel | EM64T)
+ echo x86_64-unknown-interix${UNAME_RELEASE}
+ exit ;;
+ IA64)
+ echo ia64-unknown-interix${UNAME_RELEASE}
+ exit ;;
+ esac ;;
+ [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+ echo i${UNAME_MACHINE}-pc-mks
+ exit ;;
+ 8664:Windows_NT:*)
+ echo x86_64-pc-mks
+ exit ;;
+ i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+ # UNAME_MACHINE based on the output of uname instead of i386?
+ echo i586-pc-interix
+ exit ;;
+ i*:UWIN*:*)
+ echo ${UNAME_MACHINE}-pc-uwin
+ exit ;;
+ amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
+ echo x86_64-unknown-cygwin
+ exit ;;
+ p*:CYGWIN*:*)
+ echo powerpcle-unknown-cygwin
+ exit ;;
+ prep*:SunOS:5.*:*)
+ echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit ;;
+ *:GNU:*:*)
+ # the GNU system
+ echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+ exit ;;
+ *:GNU/*:*:*)
+ # other systems with GNU libc and userland
+ echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
+ exit ;;
+ i*86:Minix:*:*)
+ echo ${UNAME_MACHINE}-pc-minix
+ exit ;;
+ aarch64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ aarch64_be:Linux:*:*)
+ UNAME_MACHINE=aarch64_be
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ alpha:Linux:*:*)
+ case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+ EV5) UNAME_MACHINE=alphaev5 ;;
+ EV56) UNAME_MACHINE=alphaev56 ;;
+ PCA56) UNAME_MACHINE=alphapca56 ;;
+ PCA57) UNAME_MACHINE=alphapca56 ;;
+ EV6) UNAME_MACHINE=alphaev6 ;;
+ EV67) UNAME_MACHINE=alphaev67 ;;
+ EV68*) UNAME_MACHINE=alphaev68 ;;
+ esac
+ objdump --private-headers /bin/sh | grep -q ld.so.1
+ if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+ echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
+ exit ;;
+ arm*:Linux:*:*)
+ eval $set_cc_for_build
+ if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
+ | grep -q __ARM_EABI__
+ then
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ else
+ if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
+ | grep -q __ARM_PCS_VFP
+ then
+ echo ${UNAME_MACHINE}-unknown-linux-gnueabi
+ else
+ echo ${UNAME_MACHINE}-unknown-linux-gnueabihf
+ fi
+ fi
+ exit ;;
+ avr32*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ cris:Linux:*:*)
+ echo ${UNAME_MACHINE}-axis-linux-gnu
+ exit ;;
+ crisv32:Linux:*:*)
+ echo ${UNAME_MACHINE}-axis-linux-gnu
+ exit ;;
+ frv:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ hexagon:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ i*86:Linux:*:*)
+ LIBC=gnu
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #ifdef __dietlibc__
+ LIBC=dietlibc
+ #endif
+EOF
+ eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'`
+ echo "${UNAME_MACHINE}-pc-linux-${LIBC}"
+ exit ;;
+ ia64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ m32r*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ m68*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ mips:Linux:*:* | mips64:Linux:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #undef CPU
+ #undef ${UNAME_MACHINE}
+ #undef ${UNAME_MACHINE}el
+ #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+ CPU=${UNAME_MACHINE}el
+ #else
+ #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+ CPU=${UNAME_MACHINE}
+ #else
+ CPU=
+ #endif
+ #endif
+EOF
+ eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
+ test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
+ ;;
+ or32:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ padre:Linux:*:*)
+ echo sparc-unknown-linux-gnu
+ exit ;;
+ parisc64:Linux:*:* | hppa64:Linux:*:*)
+ echo hppa64-unknown-linux-gnu
+ exit ;;
+ parisc:Linux:*:* | hppa:Linux:*:*)
+ # Look for CPU level
+ case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+ PA7*) echo hppa1.1-unknown-linux-gnu ;;
+ PA8*) echo hppa2.0-unknown-linux-gnu ;;
+ *) echo hppa-unknown-linux-gnu ;;
+ esac
+ exit ;;
+ ppc64:Linux:*:*)
+ echo powerpc64-unknown-linux-gnu
+ exit ;;
+ ppc:Linux:*:*)
+ echo powerpc-unknown-linux-gnu
+ exit ;;
+ s390:Linux:*:* | s390x:Linux:*:*)
+ echo ${UNAME_MACHINE}-ibm-linux
+ exit ;;
+ sh64*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ sh*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ sparc:Linux:*:* | sparc64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ tile*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ vax:Linux:*:*)
+ echo ${UNAME_MACHINE}-dec-linux-gnu
+ exit ;;
+ x86_64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ xtensa*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit ;;
+ i*86:DYNIX/ptx:4*:*)
+ # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+ # earlier versions are messed up and put the nodename in both
+ # sysname and nodename.
+ echo i386-sequent-sysv4
+ exit ;;
+ i*86:UNIX_SV:4.2MP:2.*)
+ # Unixware is an offshoot of SVR4, but it has its own version
+ # number series starting with 2...
+ # I am not positive that other SVR4 systems won't match this,
+ # I just have to hope. -- rms.
+ # Use sysv4.2uw... so that sysv4* matches it.
+ echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+ exit ;;
+ i*86:OS/2:*:*)
+ # If we were able to find `uname', then EMX Unix compatibility
+ # is probably installed.
+ echo ${UNAME_MACHINE}-pc-os2-emx
+ exit ;;
+ i*86:XTS-300:*:STOP)
+ echo ${UNAME_MACHINE}-unknown-stop
+ exit ;;
+ i*86:atheos:*:*)
+ echo ${UNAME_MACHINE}-unknown-atheos
+ exit ;;
+ i*86:syllable:*:*)
+ echo ${UNAME_MACHINE}-pc-syllable
+ exit ;;
+ i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
+ echo i386-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ i*86:*DOS:*:*)
+ echo ${UNAME_MACHINE}-pc-msdosdjgpp
+ exit ;;
+ i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+ UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
+ if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+ echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
+ else
+ echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
+ fi
+ exit ;;
+ i*86:*:5:[678]*)
+ # UnixWare 7.x, OpenUNIX and OpenServer 6.
+ case `/bin/uname -X | grep "^Machine"` in
+ *486*) UNAME_MACHINE=i486 ;;
+ *Pentium) UNAME_MACHINE=i586 ;;
+ *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+ esac
+ echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+ exit ;;
+ i*86:*:3.2:*)
+ if test -f /usr/options/cb.name; then
+ UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+ echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
+ elif /bin/uname -X 2>/dev/null >/dev/null ; then
+ UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+ (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+ (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+ && UNAME_MACHINE=i586
+ (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+ && UNAME_MACHINE=i686
+ (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+ && UNAME_MACHINE=i686
+ echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
+ else
+ echo ${UNAME_MACHINE}-pc-sysv32
+ fi
+ exit ;;
+ pc:*:*:*)
+ # Left here for compatibility:
+ # uname -m prints for DJGPP always 'pc', but it prints nothing about
+ # the processor, so we play safe by assuming i586.
+ # Note: whatever this is, it MUST be the same as what config.sub
+ # prints for the "djgpp" host, or else GDB configury will decide that
+ # this is a cross-build.
+ echo i586-pc-msdosdjgpp
+ exit ;;
+ Intel:Mach:3*:*)
+ echo i386-pc-mach3
+ exit ;;
+ paragon:*:*:*)
+ echo i860-intel-osf1
+ exit ;;
+ i860:*:4.*:*) # i860-SVR4
+ if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+ echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
+ else # Add other i860-SVR4 vendors below as they are discovered.
+ echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4
+ fi
+ exit ;;
+ mini*:CTIX:SYS*5:*)
+ # "miniframe"
+ echo m68010-convergent-sysv
+ exit ;;
+ mc68k:UNIX:SYSTEM5:3.51m)
+ echo m68k-convergent-sysv
+ exit ;;
+ M680?0:D-NIX:5.3:*)
+ echo m68k-diab-dnix
+ exit ;;
+ M68*:*:R3V[5678]*:*)
+ test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;;
+ 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+ OS_REL=''
+ test -r /etc/.relid \
+ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+ && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+ /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+ 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+ && { echo i486-ncr-sysv4; exit; } ;;
+ NCR*:*:4.2:* | MPRAS*:*:4.2:*)
+ OS_REL='.3'
+ test -r /etc/.relid \
+ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+ && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+ /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+ && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
+ /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
+ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+ m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+ echo m68k-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ mc68030:UNIX_System_V:4.*:*)
+ echo m68k-atari-sysv4
+ exit ;;
+ TSUNAMI:LynxOS:2.*:*)
+ echo sparc-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ rs6000:LynxOS:2.*:*)
+ echo rs6000-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
+ echo powerpc-unknown-lynxos${UNAME_RELEASE}
+ exit ;;
+ SM[BE]S:UNIX_SV:*:*)
+ echo mips-dde-sysv${UNAME_RELEASE}
+ exit ;;
+ RM*:ReliantUNIX-*:*:*)
+ echo mips-sni-sysv4
+ exit ;;
+ RM*:SINIX-*:*:*)
+ echo mips-sni-sysv4
+ exit ;;
+ *:SINIX-*:*:*)
+ if uname -p 2>/dev/null >/dev/null ; then
+ UNAME_MACHINE=`(uname -p) 2>/dev/null`
+ echo ${UNAME_MACHINE}-sni-sysv4
+ else
+ echo ns32k-sni-sysv
+ fi
+ exit ;;
+ PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+ # says <Richard.M.Bartel@ccMail.Census.GOV>
+ echo i586-unisys-sysv4
+ exit ;;
+ *:UNIX_System_V:4*:FTX*)
+ # From Gerald Hewes <hewes@openmarket.com>.
+ # How about differentiating between stratus architectures? -djm
+ echo hppa1.1-stratus-sysv4
+ exit ;;
+ *:*:*:FTX*)
+ # From seanf@swdc.stratus.com.
+ echo i860-stratus-sysv4
+ exit ;;
+ i*86:VOS:*:*)
+ # From Paul.Green@stratus.com.
+ echo ${UNAME_MACHINE}-stratus-vos
+ exit ;;
+ *:VOS:*:*)
+ # From Paul.Green@stratus.com.
+ echo hppa1.1-stratus-vos
+ exit ;;
+ mc68*:A/UX:*:*)
+ echo m68k-apple-aux${UNAME_RELEASE}
+ exit ;;
+ news*:NEWS-OS:6*:*)
+ echo mips-sony-newsos6
+ exit ;;
+ R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+ if [ -d /usr/nec ]; then
+ echo mips-nec-sysv${UNAME_RELEASE}
+ else
+ echo mips-unknown-sysv${UNAME_RELEASE}
+ fi
+ exit ;;
+ BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only.
+ echo powerpc-be-beos
+ exit ;;
+ BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only.
+ echo powerpc-apple-beos
+ exit ;;
+ BePC:BeOS:*:*) # BeOS running on Intel PC compatible.
+ echo i586-pc-beos
+ exit ;;
+ BePC:Haiku:*:*) # Haiku running on Intel PC compatible.
+ echo i586-pc-haiku
+ exit ;;
+ SX-4:SUPER-UX:*:*)
+ echo sx4-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-5:SUPER-UX:*:*)
+ echo sx5-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-6:SUPER-UX:*:*)
+ echo sx6-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-7:SUPER-UX:*:*)
+ echo sx7-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-8:SUPER-UX:*:*)
+ echo sx8-nec-superux${UNAME_RELEASE}
+ exit ;;
+ SX-8R:SUPER-UX:*:*)
+ echo sx8r-nec-superux${UNAME_RELEASE}
+ exit ;;
+ Power*:Rhapsody:*:*)
+ echo powerpc-apple-rhapsody${UNAME_RELEASE}
+ exit ;;
+ *:Rhapsody:*:*)
+ echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+ exit ;;
+ *:Darwin:*:*)
+ UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+ case $UNAME_PROCESSOR in
+ i386)
+ eval $set_cc_for_build
+ if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+ if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
+ (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+ grep IS_64BIT_ARCH >/dev/null
+ then
+ UNAME_PROCESSOR="x86_64"
+ fi
+ fi ;;
+ unknown) UNAME_PROCESSOR=powerpc ;;
+ esac
+ echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+ exit ;;
+ *:procnto*:*:* | *:QNX:[0123456789]*:*)
+ UNAME_PROCESSOR=`uname -p`
+ if test "$UNAME_PROCESSOR" = "x86"; then
+ UNAME_PROCESSOR=i386
+ UNAME_MACHINE=pc
+ fi
+ echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+ exit ;;
+ *:QNX:*:4*)
+ echo i386-pc-qnx
+ exit ;;
+ NEO-?:NONSTOP_KERNEL:*:*)
+ echo neo-tandem-nsk${UNAME_RELEASE}
+ exit ;;
+ NSE-*:NONSTOP_KERNEL:*:*)
+ echo nse-tandem-nsk${UNAME_RELEASE}
+ exit ;;
+ NSR-?:NONSTOP_KERNEL:*:*)
+ echo nsr-tandem-nsk${UNAME_RELEASE}
+ exit ;;
+ *:NonStop-UX:*:*)
+ echo mips-compaq-nonstopux
+ exit ;;
+ BS2000:POSIX*:*:*)
+ echo bs2000-siemens-sysv
+ exit ;;
+ DS/*:UNIX_System_V:*:*)
+ echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+ exit ;;
+ *:Plan9:*:*)
+ # "uname -m" is not consistent, so use $cputype instead. 386
+ # is converted to i386 for consistency with other x86
+ # operating systems.
+ if test "$cputype" = "386"; then
+ UNAME_MACHINE=i386
+ else
+ UNAME_MACHINE="$cputype"
+ fi
+ echo ${UNAME_MACHINE}-unknown-plan9
+ exit ;;
+ *:TOPS-10:*:*)
+ echo pdp10-unknown-tops10
+ exit ;;
+ *:TENEX:*:*)
+ echo pdp10-unknown-tenex
+ exit ;;
+ KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+ echo pdp10-dec-tops20
+ exit ;;
+ XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+ echo pdp10-xkl-tops20
+ exit ;;
+ *:TOPS-20:*:*)
+ echo pdp10-unknown-tops20
+ exit ;;
+ *:ITS:*:*)
+ echo pdp10-unknown-its
+ exit ;;
+ SEI:*:*:SEIUX)
+ echo mips-sei-seiux${UNAME_RELEASE}
+ exit ;;
+ *:DragonFly:*:*)
+ echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+ exit ;;
+ *:*VMS:*:*)
+ UNAME_MACHINE=`(uname -p) 2>/dev/null`
+ case "${UNAME_MACHINE}" in
+ A*) echo alpha-dec-vms ; exit ;;
+ I*) echo ia64-dec-vms ; exit ;;
+ V*) echo vax-dec-vms ; exit ;;
+ esac ;;
+ *:XENIX:*:SysV)
+ echo i386-pc-xenix
+ exit ;;
+ i*86:skyos:*:*)
+ echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
+ exit ;;
+ i*86:rdos:*:*)
+ echo ${UNAME_MACHINE}-pc-rdos
+ exit ;;
+ i*86:AROS:*:*)
+ echo ${UNAME_MACHINE}-pc-aros
+ exit ;;
+ x86_64:VMkernel:*:*)
+ echo ${UNAME_MACHINE}-unknown-esx
+ exit ;;
+esac
+
+#echo '(No uname command or uname output not recognized.)' 1>&2
+#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
+
+eval $set_cc_for_build
+cat >$dummy.c <<EOF
+#ifdef _SEQUENT_
+# include <sys/types.h>
+# include <sys/utsname.h>
+#endif
+main ()
+{
+#if defined (sony)
+#if defined (MIPSEB)
+ /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed,
+ I don't know.... */
+ printf ("mips-sony-bsd\n"); exit (0);
+#else
+#include <sys/param.h>
+ printf ("m68k-sony-newsos%s\n",
+#ifdef NEWSOS4
+ "4"
+#else
+ ""
+#endif
+ ); exit (0);
+#endif
+#endif
+
+#if defined (__arm) && defined (__acorn) && defined (__unix)
+ printf ("arm-acorn-riscix\n"); exit (0);
+#endif
+
+#if defined (hp300) && !defined (hpux)
+ printf ("m68k-hp-bsd\n"); exit (0);
+#endif
+
+#if defined (NeXT)
+#if !defined (__ARCHITECTURE__)
+#define __ARCHITECTURE__ "m68k"
+#endif
+ int version;
+ version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
+ if (version < 4)
+ printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
+ else
+ printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
+ exit (0);
+#endif
+
+#if defined (MULTIMAX) || defined (n16)
+#if defined (UMAXV)
+ printf ("ns32k-encore-sysv\n"); exit (0);
+#else
+#if defined (CMU)
+ printf ("ns32k-encore-mach\n"); exit (0);
+#else
+ printf ("ns32k-encore-bsd\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (__386BSD__)
+ printf ("i386-pc-bsd\n"); exit (0);
+#endif
+
+#if defined (sequent)
+#if defined (i386)
+ printf ("i386-sequent-dynix\n"); exit (0);
+#endif
+#if defined (ns32000)
+ printf ("ns32k-sequent-dynix\n"); exit (0);
+#endif
+#endif
+
+#if defined (_SEQUENT_)
+ struct utsname un;
+
+ uname(&un);
+
+ if (strncmp(un.version, "V2", 2) == 0) {
+ printf ("i386-sequent-ptx2\n"); exit (0);
+ }
+ if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
+ printf ("i386-sequent-ptx1\n"); exit (0);
+ }
+ printf ("i386-sequent-ptx\n"); exit (0);
+
+#endif
+
+#if defined (vax)
+# if !defined (ultrix)
+# include <sys/param.h>
+# if defined (BSD)
+# if BSD == 43
+ printf ("vax-dec-bsd4.3\n"); exit (0);
+# else
+# if BSD == 199006
+ printf ("vax-dec-bsd4.3reno\n"); exit (0);
+# else
+ printf ("vax-dec-bsd\n"); exit (0);
+# endif
+# endif
+# else
+ printf ("vax-dec-bsd\n"); exit (0);
+# endif
+# else
+ printf ("vax-dec-ultrix\n"); exit (0);
+# endif
+#endif
+
+#if defined (alliant) && defined (i860)
+ printf ("i860-alliant-bsd\n"); exit (0);
+#endif
+
+ exit (1);
+}
+EOF
+
+$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` &&
+ { echo "$SYSTEM_NAME"; exit; }
+
+# Apollos put the system type in the environment.
+
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; }
+
+# Convex versions that predate uname can use getsysinfo(1)
+
+if [ -x /usr/convex/getsysinfo ]
+then
+ case `getsysinfo -f cpu_type` in
+ c1*)
+ echo c1-convex-bsd
+ exit ;;
+ c2*)
+ if getsysinfo -f scalar_acc
+ then echo c32-convex-bsd
+ else echo c2-convex-bsd
+ fi
+ exit ;;
+ c34*)
+ echo c34-convex-bsd
+ exit ;;
+ c38*)
+ echo c38-convex-bsd
+ exit ;;
+ c4*)
+ echo c4-convex-bsd
+ exit ;;
+ esac
+fi
+
+cat >&2 <<EOF
+$0: unable to guess system type
+
+This script, last modified $timestamp, has failed to recognize
+the operating system you are using. It is advised that you
+download the most up to date version of the config scripts from
+
+ http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+and
+ http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches@gnu.org> in order to provide the needed
+information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo = `(hostinfo) 2>/dev/null`
+/bin/universe = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
+EOF
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/config.sub b/config.sub
new file mode 100755
index 0000000..6205f84
--- /dev/null
+++ b/config.sub
@@ -0,0 +1,1782 @@
+#! /bin/sh
+# Configuration validation subroutine script.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+# 2011, 2012 Free Software Foundation, Inc.
+
+timestamp='2012-04-18'
+
+# This file is (in principle) common to ALL GNU software.
+# The presence of a machine in this file suggests that SOME GNU software
+# can handle that machine. It does not imply ALL GNU software can.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+
+# Please send patches to <config-patches@gnu.org>. Submit a context
+# diff and a properly formatted GNU ChangeLog entry.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# You can get the latest version of this script from:
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support. The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS
+ $0 [OPTION] ALIAS
+
+Canonicalize a configuration name.
+
+Operation modes:
+ -h, --help print this help, then exit
+ -t, --time-stamp print date of last modification, then exit
+ -v, --version print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+ case $1 in
+ --time-stamp | --time* | -t )
+ echo "$timestamp" ; exit ;;
+ --version | -v )
+ echo "$version" ; exit ;;
+ --help | --h* | -h )
+ echo "$usage"; exit ;;
+ -- ) # Stop option processing
+ shift; break ;;
+ - ) # Use stdin as input.
+ break ;;
+ -* )
+ echo "$me: invalid option $1$help"
+ exit 1 ;;
+
+ *local*)
+ # First pass through any local machine types.
+ echo $1
+ exit ;;
+
+ * )
+ break ;;
+ esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+ exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+ exit 1;;
+esac
+
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+ nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+ linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+ knetbsd*-gnu* | netbsd*-gnu* | \
+ kopensolaris*-gnu* | \
+ storm-chaos* | os2-emx* | rtmk-nova*)
+ os=-$maybe_os
+ basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+ ;;
+ android-linux)
+ os=-linux-android
+ basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
+ ;;
+ *)
+ basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+ if [ $basic_machine != $1 ]
+ then os=`echo $1 | sed 's/.*-/-/'`
+ else os=; fi
+ ;;
+esac
+
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work. We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+ -sun*os*)
+ # Prevent following clause from handling this invalid input.
+ ;;
+ -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+ -apple | -axis | -knuth | -cray | -microblaze)
+ os=
+ basic_machine=$1
+ ;;
+ -bluegene*)
+ os=-cnk
+ ;;
+ -sim | -cisco | -oki | -wec | -winbond)
+ os=
+ basic_machine=$1
+ ;;
+ -scout)
+ ;;
+ -wrs)
+ os=-vxworks
+ basic_machine=$1
+ ;;
+ -chorusos*)
+ os=-chorusos
+ basic_machine=$1
+ ;;
+ -chorusrdb)
+ os=-chorusrdb
+ basic_machine=$1
+ ;;
+ -hiux*)
+ os=-hiuxwe2
+ ;;
+ -sco6)
+ os=-sco5v6
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco5)
+ os=-sco3.2v5
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco4)
+ os=-sco3.2v4
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco3.2.[4-9]*)
+ os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco3.2v[4-9]*)
+ # Don't forget version if it is 3.2v4 or newer.
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco5v6*)
+ # Don't forget version if it is 3.2v4 or newer.
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco*)
+ os=-sco3.2v2
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -udk*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -isc)
+ os=-isc2.2
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -clix*)
+ basic_machine=clipper-intergraph
+ ;;
+ -isc*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -lynx*178)
+ os=-lynxos178
+ ;;
+ -lynx*5)
+ os=-lynxos5
+ ;;
+ -lynx*)
+ os=-lynxos
+ ;;
+ -ptx*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+ ;;
+ -windowsnt*)
+ os=`echo $os | sed -e 's/windowsnt/winnt/'`
+ ;;
+ -psos*)
+ os=-psos
+ ;;
+ -mint | -mint[0-9]*)
+ basic_machine=m68k-atari
+ os=-mint
+ ;;
+esac
+
+# Decode aliases for certain CPU-COMPANY combinations.
+case $basic_machine in
+ # Recognize the basic CPU types without company name.
+ # Some are omitted here because they have special meanings below.
+ 1750a | 580 \
+ | a29k \
+ | aarch64 | aarch64_be \
+ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+ | am33_2.0 \
+ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+ | be32 | be64 \
+ | bfin \
+ | c4x | clipper \
+ | d10v | d30v | dlx | dsp16xx \
+ | epiphany \
+ | fido | fr30 | frv \
+ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+ | hexagon \
+ | i370 | i860 | i960 | ia64 \
+ | ip2k | iq2000 \
+ | le32 | le64 \
+ | lm32 \
+ | m32c | m32r | m32rle | m68000 | m68k | m88k \
+ | maxq | mb | microblaze | mcore | mep | metag \
+ | mips | mipsbe | mipseb | mipsel | mipsle \
+ | mips16 \
+ | mips64 | mips64el \
+ | mips64octeon | mips64octeonel \
+ | mips64orion | mips64orionel \
+ | mips64r5900 | mips64r5900el \
+ | mips64vr | mips64vrel \
+ | mips64vr4100 | mips64vr4100el \
+ | mips64vr4300 | mips64vr4300el \
+ | mips64vr5000 | mips64vr5000el \
+ | mips64vr5900 | mips64vr5900el \
+ | mipsisa32 | mipsisa32el \
+ | mipsisa32r2 | mipsisa32r2el \
+ | mipsisa64 | mipsisa64el \
+ | mipsisa64r2 | mipsisa64r2el \
+ | mipsisa64sb1 | mipsisa64sb1el \
+ | mipsisa64sr71k | mipsisa64sr71kel \
+ | mipstx39 | mipstx39el \
+ | mn10200 | mn10300 \
+ | moxie \
+ | mt \
+ | msp430 \
+ | nds32 | nds32le | nds32be \
+ | nios | nios2 \
+ | ns16k | ns32k \
+ | open8 \
+ | or32 \
+ | pdp10 | pdp11 | pj | pjl \
+ | powerpc | powerpc64 | powerpc64le | powerpcle \
+ | pyramid \
+ | rl78 | rx \
+ | score \
+ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+ | sh64 | sh64le \
+ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+ | spu \
+ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
+ | ubicom32 \
+ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
+ | we32k \
+ | x86 | xc16x | xstormy16 | xtensa \
+ | z8k | z80)
+ basic_machine=$basic_machine-unknown
+ ;;
+ c54x)
+ basic_machine=tic54x-unknown
+ ;;
+ c55x)
+ basic_machine=tic55x-unknown
+ ;;
+ c6x)
+ basic_machine=tic6x-unknown
+ ;;
+ m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | picochip)
+ basic_machine=$basic_machine-unknown
+ os=-none
+ ;;
+ m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+ ;;
+ ms1)
+ basic_machine=mt-unknown
+ ;;
+
+ strongarm | thumb | xscale)
+ basic_machine=arm-unknown
+ ;;
+ xgate)
+ basic_machine=$basic_machine-unknown
+ os=-none
+ ;;
+ xscaleeb)
+ basic_machine=armeb-unknown
+ ;;
+
+ xscaleel)
+ basic_machine=armel-unknown
+ ;;
+
+ # We use `pc' rather than `unknown'
+ # because (1) that's what they normally are, and
+ # (2) the word "unknown" tends to confuse beginning users.
+ i*86 | x86_64)
+ basic_machine=$basic_machine-pc
+ ;;
+ # Object if more than one company name word.
+ *-*-*)
+ echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+ exit 1
+ ;;
+ # Recognize the basic CPU types with company name.
+ 580-* \
+ | a29k-* \
+ | aarch64-* | aarch64_be-* \
+ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \
+ | avr-* | avr32-* \
+ | be32-* | be64-* \
+ | bfin-* | bs2000-* \
+ | c[123]* | c30-* | [cjt]90-* | c4x-* \
+ | clipper-* | craynv-* | cydra-* \
+ | d10v-* | d30v-* | dlx-* \
+ | elxsi-* \
+ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
+ | h8300-* | h8500-* \
+ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+ | hexagon-* \
+ | i*86-* | i860-* | i960-* | ia64-* \
+ | ip2k-* | iq2000-* \
+ | le32-* | le64-* \
+ | lm32-* \
+ | m32c-* | m32r-* | m32rle-* \
+ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
+ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+ | mips16-* \
+ | mips64-* | mips64el-* \
+ | mips64octeon-* | mips64octeonel-* \
+ | mips64orion-* | mips64orionel-* \
+ | mips64r5900-* | mips64r5900el-* \
+ | mips64vr-* | mips64vrel-* \
+ | mips64vr4100-* | mips64vr4100el-* \
+ | mips64vr4300-* | mips64vr4300el-* \
+ | mips64vr5000-* | mips64vr5000el-* \
+ | mips64vr5900-* | mips64vr5900el-* \
+ | mipsisa32-* | mipsisa32el-* \
+ | mipsisa32r2-* | mipsisa32r2el-* \
+ | mipsisa64-* | mipsisa64el-* \
+ | mipsisa64r2-* | mipsisa64r2el-* \
+ | mipsisa64sb1-* | mipsisa64sb1el-* \
+ | mipsisa64sr71k-* | mipsisa64sr71kel-* \
+ | mipstx39-* | mipstx39el-* \
+ | mmix-* \
+ | mt-* \
+ | msp430-* \
+ | nds32-* | nds32le-* | nds32be-* \
+ | nios-* | nios2-* \
+ | none-* | np1-* | ns16k-* | ns32k-* \
+ | open8-* \
+ | orion-* \
+ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+ | pyramid-* \
+ | rl78-* | romp-* | rs6000-* | rx-* \
+ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
+ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+ | sparclite-* \
+ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
+ | tahoe-* \
+ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+ | tile*-* \
+ | tron-* \
+ | ubicom32-* \
+ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
+ | vax-* \
+ | we32k-* \
+ | x86-* | x86_64-* | xc16x-* | xps100-* \
+ | xstormy16-* | xtensa*-* \
+ | ymp-* \
+ | z8k-* | z80-*)
+ ;;
+ # Recognize the basic CPU types without company name, with glob match.
+ xtensa*)
+ basic_machine=$basic_machine-unknown
+ ;;
+ # Recognize the various machine names and aliases which stand
+ # for a CPU type and a company and sometimes even an OS.
+ 386bsd)
+ basic_machine=i386-unknown
+ os=-bsd
+ ;;
+ 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+ basic_machine=m68000-att
+ ;;
+ 3b*)
+ basic_machine=we32k-att
+ ;;
+ a29khif)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ abacus)
+ basic_machine=abacus-unknown
+ ;;
+ adobe68k)
+ basic_machine=m68010-adobe
+ os=-scout
+ ;;
+ alliant | fx80)
+ basic_machine=fx80-alliant
+ ;;
+ altos | altos3068)
+ basic_machine=m68k-altos
+ ;;
+ am29k)
+ basic_machine=a29k-none
+ os=-bsd
+ ;;
+ amd64)
+ basic_machine=x86_64-pc
+ ;;
+ amd64-*)
+ basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ amdahl)
+ basic_machine=580-amdahl
+ os=-sysv
+ ;;
+ amiga | amiga-*)
+ basic_machine=m68k-unknown
+ ;;
+ amigaos | amigados)
+ basic_machine=m68k-unknown
+ os=-amigaos
+ ;;
+ amigaunix | amix)
+ basic_machine=m68k-unknown
+ os=-sysv4
+ ;;
+ apollo68)
+ basic_machine=m68k-apollo
+ os=-sysv
+ ;;
+ apollo68bsd)
+ basic_machine=m68k-apollo
+ os=-bsd
+ ;;
+ aros)
+ basic_machine=i386-pc
+ os=-aros
+ ;;
+ aux)
+ basic_machine=m68k-apple
+ os=-aux
+ ;;
+ balance)
+ basic_machine=ns32k-sequent
+ os=-dynix
+ ;;
+ blackfin)
+ basic_machine=bfin-unknown
+ os=-linux
+ ;;
+ blackfin-*)
+ basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+ os=-linux
+ ;;
+ bluegene*)
+ basic_machine=powerpc-ibm
+ os=-cnk
+ ;;
+ c54x-*)
+ basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ c55x-*)
+ basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ c6x-*)
+ basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ c90)
+ basic_machine=c90-cray
+ os=-unicos
+ ;;
+ cegcc)
+ basic_machine=arm-unknown
+ os=-cegcc
+ ;;
+ convex-c1)
+ basic_machine=c1-convex
+ os=-bsd
+ ;;
+ convex-c2)
+ basic_machine=c2-convex
+ os=-bsd
+ ;;
+ convex-c32)
+ basic_machine=c32-convex
+ os=-bsd
+ ;;
+ convex-c34)
+ basic_machine=c34-convex
+ os=-bsd
+ ;;
+ convex-c38)
+ basic_machine=c38-convex
+ os=-bsd
+ ;;
+ cray | j90)
+ basic_machine=j90-cray
+ os=-unicos
+ ;;
+ craynv)
+ basic_machine=craynv-cray
+ os=-unicosmp
+ ;;
+ cr16 | cr16-*)
+ basic_machine=cr16-unknown
+ os=-elf
+ ;;
+ crds | unos)
+ basic_machine=m68k-crds
+ ;;
+ crisv32 | crisv32-* | etraxfs*)
+ basic_machine=crisv32-axis
+ ;;
+ cris | cris-* | etrax*)
+ basic_machine=cris-axis
+ ;;
+ crx)
+ basic_machine=crx-unknown
+ os=-elf
+ ;;
+ da30 | da30-*)
+ basic_machine=m68k-da30
+ ;;
+ decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+ basic_machine=mips-dec
+ ;;
+ decsystem10* | dec10*)
+ basic_machine=pdp10-dec
+ os=-tops10
+ ;;
+ decsystem20* | dec20*)
+ basic_machine=pdp10-dec
+ os=-tops20
+ ;;
+ delta | 3300 | motorola-3300 | motorola-delta \
+ | 3300-motorola | delta-motorola)
+ basic_machine=m68k-motorola
+ ;;
+ delta88)
+ basic_machine=m88k-motorola
+ os=-sysv3
+ ;;
+ dicos)
+ basic_machine=i686-pc
+ os=-dicos
+ ;;
+ djgpp)
+ basic_machine=i586-pc
+ os=-msdosdjgpp
+ ;;
+ dpx20 | dpx20-*)
+ basic_machine=rs6000-bull
+ os=-bosx
+ ;;
+ dpx2* | dpx2*-bull)
+ basic_machine=m68k-bull
+ os=-sysv3
+ ;;
+ ebmon29k)
+ basic_machine=a29k-amd
+ os=-ebmon
+ ;;
+ elxsi)
+ basic_machine=elxsi-elxsi
+ os=-bsd
+ ;;
+ encore | umax | mmax)
+ basic_machine=ns32k-encore
+ ;;
+ es1800 | OSE68k | ose68k | ose | OSE)
+ basic_machine=m68k-ericsson
+ os=-ose
+ ;;
+ fx2800)
+ basic_machine=i860-alliant
+ ;;
+ genix)
+ basic_machine=ns32k-ns
+ ;;
+ gmicro)
+ basic_machine=tron-gmicro
+ os=-sysv
+ ;;
+ go32)
+ basic_machine=i386-pc
+ os=-go32
+ ;;
+ h3050r* | hiux*)
+ basic_machine=hppa1.1-hitachi
+ os=-hiuxwe2
+ ;;
+ h8300hms)
+ basic_machine=h8300-hitachi
+ os=-hms
+ ;;
+ h8300xray)
+ basic_machine=h8300-hitachi
+ os=-xray
+ ;;
+ h8500hms)
+ basic_machine=h8500-hitachi
+ os=-hms
+ ;;
+ harris)
+ basic_machine=m88k-harris
+ os=-sysv3
+ ;;
+ hp300-*)
+ basic_machine=m68k-hp
+ ;;
+ hp300bsd)
+ basic_machine=m68k-hp
+ os=-bsd
+ ;;
+ hp300hpux)
+ basic_machine=m68k-hp
+ os=-hpux
+ ;;
+ hp3k9[0-9][0-9] | hp9[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hp9k2[0-9][0-9] | hp9k31[0-9])
+ basic_machine=m68000-hp
+ ;;
+ hp9k3[2-9][0-9])
+ basic_machine=m68k-hp
+ ;;
+ hp9k6[0-9][0-9] | hp6[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hp9k7[0-79][0-9] | hp7[0-79][0-9])
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k78[0-9] | hp78[0-9])
+ # FIXME: really hppa2.0-hp
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+ # FIXME: really hppa2.0-hp
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[0-9][13679] | hp8[0-9][13679])
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[0-9][0-9] | hp8[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hppa-next)
+ os=-nextstep3
+ ;;
+ hppaosf)
+ basic_machine=hppa1.1-hp
+ os=-osf
+ ;;
+ hppro)
+ basic_machine=hppa1.1-hp
+ os=-proelf
+ ;;
+ i370-ibm* | ibm*)
+ basic_machine=i370-ibm
+ ;;
+ i*86v32)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv32
+ ;;
+ i*86v4*)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv4
+ ;;
+ i*86v)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv
+ ;;
+ i*86sol2)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-solaris2
+ ;;
+ i386mach)
+ basic_machine=i386-mach
+ os=-mach
+ ;;
+ i386-vsta | vsta)
+ basic_machine=i386-unknown
+ os=-vsta
+ ;;
+ iris | iris4d)
+ basic_machine=mips-sgi
+ case $os in
+ -irix*)
+ ;;
+ *)
+ os=-irix4
+ ;;
+ esac
+ ;;
+ isi68 | isi)
+ basic_machine=m68k-isi
+ os=-sysv
+ ;;
+ m68knommu)
+ basic_machine=m68k-unknown
+ os=-linux
+ ;;
+ m68knommu-*)
+ basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+ os=-linux
+ ;;
+ m88k-omron*)
+ basic_machine=m88k-omron
+ ;;
+ magnum | m3230)
+ basic_machine=mips-mips
+ os=-sysv
+ ;;
+ merlin)
+ basic_machine=ns32k-utek
+ os=-sysv
+ ;;
+ microblaze)
+ basic_machine=microblaze-xilinx
+ ;;
+ mingw32)
+ basic_machine=i386-pc
+ os=-mingw32
+ ;;
+ mingw32ce)
+ basic_machine=arm-unknown
+ os=-mingw32ce
+ ;;
+ miniframe)
+ basic_machine=m68000-convergent
+ ;;
+ *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+ basic_machine=m68k-atari
+ os=-mint
+ ;;
+ mips3*-*)
+ basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+ ;;
+ mips3*)
+ basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+ ;;
+ monitor)
+ basic_machine=m68k-rom68k
+ os=-coff
+ ;;
+ morphos)
+ basic_machine=powerpc-unknown
+ os=-morphos
+ ;;
+ msdos)
+ basic_machine=i386-pc
+ os=-msdos
+ ;;
+ ms1-*)
+ basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+ ;;
+ msys)
+ basic_machine=i386-pc
+ os=-msys
+ ;;
+ mvs)
+ basic_machine=i370-ibm
+ os=-mvs
+ ;;
+ nacl)
+ basic_machine=le32-unknown
+ os=-nacl
+ ;;
+ ncr3000)
+ basic_machine=i486-ncr
+ os=-sysv4
+ ;;
+ netbsd386)
+ basic_machine=i386-unknown
+ os=-netbsd
+ ;;
+ netwinder)
+ basic_machine=armv4l-rebel
+ os=-linux
+ ;;
+ news | news700 | news800 | news900)
+ basic_machine=m68k-sony
+ os=-newsos
+ ;;
+ news1000)
+ basic_machine=m68030-sony
+ os=-newsos
+ ;;
+ news-3600 | risc-news)
+ basic_machine=mips-sony
+ os=-newsos
+ ;;
+ necv70)
+ basic_machine=v70-nec
+ os=-sysv
+ ;;
+ next | m*-next )
+ basic_machine=m68k-next
+ case $os in
+ -nextstep* )
+ ;;
+ -ns2*)
+ os=-nextstep2
+ ;;
+ *)
+ os=-nextstep3
+ ;;
+ esac
+ ;;
+ nh3000)
+ basic_machine=m68k-harris
+ os=-cxux
+ ;;
+ nh[45]000)
+ basic_machine=m88k-harris
+ os=-cxux
+ ;;
+ nindy960)
+ basic_machine=i960-intel
+ os=-nindy
+ ;;
+ mon960)
+ basic_machine=i960-intel
+ os=-mon960
+ ;;
+ nonstopux)
+ basic_machine=mips-compaq
+ os=-nonstopux
+ ;;
+ np1)
+ basic_machine=np1-gould
+ ;;
+ neo-tandem)
+ basic_machine=neo-tandem
+ ;;
+ nse-tandem)
+ basic_machine=nse-tandem
+ ;;
+ nsr-tandem)
+ basic_machine=nsr-tandem
+ ;;
+ op50n-* | op60c-*)
+ basic_machine=hppa1.1-oki
+ os=-proelf
+ ;;
+ openrisc | openrisc-*)
+ basic_machine=or32-unknown
+ ;;
+ os400)
+ basic_machine=powerpc-ibm
+ os=-os400
+ ;;
+ OSE68000 | ose68000)
+ basic_machine=m68000-ericsson
+ os=-ose
+ ;;
+ os68k)
+ basic_machine=m68k-none
+ os=-os68k
+ ;;
+ pa-hitachi)
+ basic_machine=hppa1.1-hitachi
+ os=-hiuxwe2
+ ;;
+ paragon)
+ basic_machine=i860-intel
+ os=-osf
+ ;;
+ parisc)
+ basic_machine=hppa-unknown
+ os=-linux
+ ;;
+ parisc-*)
+ basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+ os=-linux
+ ;;
+ pbd)
+ basic_machine=sparc-tti
+ ;;
+ pbb)
+ basic_machine=m68k-tti
+ ;;
+ pc532 | pc532-*)
+ basic_machine=ns32k-pc532
+ ;;
+ pc98)
+ basic_machine=i386-pc
+ ;;
+ pc98-*)
+ basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentium | p5 | k5 | k6 | nexgen | viac3)
+ basic_machine=i586-pc
+ ;;
+ pentiumpro | p6 | 6x86 | athlon | athlon_*)
+ basic_machine=i686-pc
+ ;;
+ pentiumii | pentium2 | pentiumiii | pentium3)
+ basic_machine=i686-pc
+ ;;
+ pentium4)
+ basic_machine=i786-pc
+ ;;
+ pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+ basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentiumpro-* | p6-* | 6x86-* | athlon-*)
+ basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+ basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentium4-*)
+ basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pn)
+ basic_machine=pn-gould
+ ;;
+ power) basic_machine=power-ibm
+ ;;
+ ppc | ppcbe) basic_machine=powerpc-unknown
+ ;;
+ ppc-* | ppcbe-*)
+ basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppcle | powerpclittle | ppc-le | powerpc-little)
+ basic_machine=powerpcle-unknown
+ ;;
+ ppcle-* | powerpclittle-*)
+ basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppc64) basic_machine=powerpc64-unknown
+ ;;
+ ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+ basic_machine=powerpc64le-unknown
+ ;;
+ ppc64le-* | powerpc64little-*)
+ basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ps2)
+ basic_machine=i386-ibm
+ ;;
+ pw32)
+ basic_machine=i586-unknown
+ os=-pw32
+ ;;
+ rdos)
+ basic_machine=i386-pc
+ os=-rdos
+ ;;
+ rom68k)
+ basic_machine=m68k-rom68k
+ os=-coff
+ ;;
+ rm[46]00)
+ basic_machine=mips-siemens
+ ;;
+ rtpc | rtpc-*)
+ basic_machine=romp-ibm
+ ;;
+ s390 | s390-*)
+ basic_machine=s390-ibm
+ ;;
+ s390x | s390x-*)
+ basic_machine=s390x-ibm
+ ;;
+ sa29200)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ sb1)
+ basic_machine=mipsisa64sb1-unknown
+ ;;
+ sb1el)
+ basic_machine=mipsisa64sb1el-unknown
+ ;;
+ sde)
+ basic_machine=mipsisa32-sde
+ os=-elf
+ ;;
+ sei)
+ basic_machine=mips-sei
+ os=-seiux
+ ;;
+ sequent)
+ basic_machine=i386-sequent
+ ;;
+ sh)
+ basic_machine=sh-hitachi
+ os=-hms
+ ;;
+ sh5el)
+ basic_machine=sh5le-unknown
+ ;;
+ sh64)
+ basic_machine=sh64-unknown
+ ;;
+ sparclite-wrs | simso-wrs)
+ basic_machine=sparclite-wrs
+ os=-vxworks
+ ;;
+ sps7)
+ basic_machine=m68k-bull
+ os=-sysv2
+ ;;
+ spur)
+ basic_machine=spur-unknown
+ ;;
+ st2000)
+ basic_machine=m68k-tandem
+ ;;
+ stratus)
+ basic_machine=i860-stratus
+ os=-sysv4
+ ;;
+ strongarm-* | thumb-*)
+ basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ sun2)
+ basic_machine=m68000-sun
+ ;;
+ sun2os3)
+ basic_machine=m68000-sun
+ os=-sunos3
+ ;;
+ sun2os4)
+ basic_machine=m68000-sun
+ os=-sunos4
+ ;;
+ sun3os3)
+ basic_machine=m68k-sun
+ os=-sunos3
+ ;;
+ sun3os4)
+ basic_machine=m68k-sun
+ os=-sunos4
+ ;;
+ sun4os3)
+ basic_machine=sparc-sun
+ os=-sunos3
+ ;;
+ sun4os4)
+ basic_machine=sparc-sun
+ os=-sunos4
+ ;;
+ sun4sol2)
+ basic_machine=sparc-sun
+ os=-solaris2
+ ;;
+ sun3 | sun3-*)
+ basic_machine=m68k-sun
+ ;;
+ sun4)
+ basic_machine=sparc-sun
+ ;;
+ sun386 | sun386i | roadrunner)
+ basic_machine=i386-sun
+ ;;
+ sv1)
+ basic_machine=sv1-cray
+ os=-unicos
+ ;;
+ symmetry)
+ basic_machine=i386-sequent
+ os=-dynix
+ ;;
+ t3e)
+ basic_machine=alphaev5-cray
+ os=-unicos
+ ;;
+ t90)
+ basic_machine=t90-cray
+ os=-unicos
+ ;;
+ tile*)
+ basic_machine=$basic_machine-unknown
+ os=-linux-gnu
+ ;;
+ tx39)
+ basic_machine=mipstx39-unknown
+ ;;
+ tx39el)
+ basic_machine=mipstx39el-unknown
+ ;;
+ toad1)
+ basic_machine=pdp10-xkl
+ os=-tops20
+ ;;
+ tower | tower-32)
+ basic_machine=m68k-ncr
+ ;;
+ tpf)
+ basic_machine=s390x-ibm
+ os=-tpf
+ ;;
+ udi29k)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ ultra3)
+ basic_machine=a29k-nyu
+ os=-sym1
+ ;;
+ v810 | necv810)
+ basic_machine=v810-nec
+ os=-none
+ ;;
+ vaxv)
+ basic_machine=vax-dec
+ os=-sysv
+ ;;
+ vms)
+ basic_machine=vax-dec
+ os=-vms
+ ;;
+ vpp*|vx|vx-*)
+ basic_machine=f301-fujitsu
+ ;;
+ vxworks960)
+ basic_machine=i960-wrs
+ os=-vxworks
+ ;;
+ vxworks68)
+ basic_machine=m68k-wrs
+ os=-vxworks
+ ;;
+ vxworks29k)
+ basic_machine=a29k-wrs
+ os=-vxworks
+ ;;
+ w65*)
+ basic_machine=w65-wdc
+ os=-none
+ ;;
+ w89k-*)
+ basic_machine=hppa1.1-winbond
+ os=-proelf
+ ;;
+ xbox)
+ basic_machine=i686-pc
+ os=-mingw32
+ ;;
+ xps | xps100)
+ basic_machine=xps100-honeywell
+ ;;
+ xscale-* | xscalee[bl]-*)
+ basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
+ ;;
+ ymp)
+ basic_machine=ymp-cray
+ os=-unicos
+ ;;
+ z8k-*-coff)
+ basic_machine=z8k-unknown
+ os=-sim
+ ;;
+ z80-*-coff)
+ basic_machine=z80-unknown
+ os=-sim
+ ;;
+ none)
+ basic_machine=none-none
+ os=-none
+ ;;
+
+# Here we handle the default manufacturer of certain CPU types. It is in
+# some cases the only manufacturer, in others, it is the most popular.
+ w89k)
+ basic_machine=hppa1.1-winbond
+ ;;
+ op50n)
+ basic_machine=hppa1.1-oki
+ ;;
+ op60c)
+ basic_machine=hppa1.1-oki
+ ;;
+ romp)
+ basic_machine=romp-ibm
+ ;;
+ mmix)
+ basic_machine=mmix-knuth
+ ;;
+ rs6000)
+ basic_machine=rs6000-ibm
+ ;;
+ vax)
+ basic_machine=vax-dec
+ ;;
+ pdp10)
+ # there are many clones, so DEC is not a safe bet
+ basic_machine=pdp10-unknown
+ ;;
+ pdp11)
+ basic_machine=pdp11-dec
+ ;;
+ we32k)
+ basic_machine=we32k-att
+ ;;
+ sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
+ basic_machine=sh-unknown
+ ;;
+ sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
+ basic_machine=sparc-sun
+ ;;
+ cydra)
+ basic_machine=cydra-cydrome
+ ;;
+ orion)
+ basic_machine=orion-highlevel
+ ;;
+ orion105)
+ basic_machine=clipper-highlevel
+ ;;
+ mac | mpw | mac-mpw)
+ basic_machine=m68k-apple
+ ;;
+ pmac | pmac-mpw)
+ basic_machine=powerpc-apple
+ ;;
+ *-unknown)
+ # Make sure to match an already-canonicalized machine name.
+ ;;
+ *)
+ echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+ exit 1
+ ;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $basic_machine in
+ *-digital*)
+ basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+ ;;
+ *-commodore*)
+ basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+ ;;
+ *)
+ ;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if [ x"$os" != x"" ]
+then
+case $os in
+ # First match some system type aliases
+ # that might get confused with valid system types.
+ # -solaris* is a basic system type, with this one exception.
+ -auroraux)
+ os=-auroraux
+ ;;
+ -solaris1 | -solaris1.*)
+ os=`echo $os | sed -e 's|solaris1|sunos4|'`
+ ;;
+ -solaris)
+ os=-solaris2
+ ;;
+ -svr4*)
+ os=-sysv4
+ ;;
+ -unixware*)
+ os=-sysv4.2uw
+ ;;
+ -gnu/linux*)
+ os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+ ;;
+ # First accept the basic system types.
+ # The portable systems comes first.
+ # Each alternative MUST END IN A *, to match a version number.
+ # -sysv* is not here because it comes later, after sysvr4.
+ -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+ | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
+ | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+ | -sym* | -kopensolaris* \
+ | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+ | -aos* | -aros* \
+ | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+ | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+ | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+ | -openbsd* | -solidbsd* \
+ | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+ | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+ | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+ | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+ | -chorusos* | -chorusrdb* | -cegcc* \
+ | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+ | -mingw32* | -linux-gnu* | -linux-android* \
+ | -linux-newlib* | -linux-uclibc* \
+ | -uxpv* | -beos* | -mpeix* | -udk* \
+ | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+ | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+ | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+ | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+ | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+ | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+ | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
+ # Remember, each alternative MUST END IN *, to match a version number.
+ ;;
+ -qnx*)
+ case $basic_machine in
+ x86-* | i*86-*)
+ ;;
+ *)
+ os=-nto$os
+ ;;
+ esac
+ ;;
+ -nto-qnx*)
+ ;;
+ -nto*)
+ os=`echo $os | sed -e 's|nto|nto-qnx|'`
+ ;;
+ -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+ | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
+ | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+ ;;
+ -mac*)
+ os=`echo $os | sed -e 's|mac|macos|'`
+ ;;
+ -linux-dietlibc)
+ os=-linux-dietlibc
+ ;;
+ -linux*)
+ os=`echo $os | sed -e 's|linux|linux-gnu|'`
+ ;;
+ -sunos5*)
+ os=`echo $os | sed -e 's|sunos5|solaris2|'`
+ ;;
+ -sunos6*)
+ os=`echo $os | sed -e 's|sunos6|solaris3|'`
+ ;;
+ -opened*)
+ os=-openedition
+ ;;
+ -os400*)
+ os=-os400
+ ;;
+ -wince*)
+ os=-wince
+ ;;
+ -osfrose*)
+ os=-osfrose
+ ;;
+ -osf*)
+ os=-osf
+ ;;
+ -utek*)
+ os=-bsd
+ ;;
+ -dynix*)
+ os=-bsd
+ ;;
+ -acis*)
+ os=-aos
+ ;;
+ -atheos*)
+ os=-atheos
+ ;;
+ -syllable*)
+ os=-syllable
+ ;;
+ -386bsd)
+ os=-bsd
+ ;;
+ -ctix* | -uts*)
+ os=-sysv
+ ;;
+ -nova*)
+ os=-rtmk-nova
+ ;;
+ -ns2 )
+ os=-nextstep2
+ ;;
+ -nsk*)
+ os=-nsk
+ ;;
+ # Preserve the version number of sinix5.
+ -sinix5.*)
+ os=`echo $os | sed -e 's|sinix|sysv|'`
+ ;;
+ -sinix*)
+ os=-sysv4
+ ;;
+ -tpf*)
+ os=-tpf
+ ;;
+ -triton*)
+ os=-sysv3
+ ;;
+ -oss*)
+ os=-sysv3
+ ;;
+ -svr4)
+ os=-sysv4
+ ;;
+ -svr3)
+ os=-sysv3
+ ;;
+ -sysvr4)
+ os=-sysv4
+ ;;
+ # This must come after -sysvr4.
+ -sysv*)
+ ;;
+ -ose*)
+ os=-ose
+ ;;
+ -es1800*)
+ os=-ose
+ ;;
+ -xenix)
+ os=-xenix
+ ;;
+ -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+ os=-mint
+ ;;
+ -aros*)
+ os=-aros
+ ;;
+ -kaos*)
+ os=-kaos
+ ;;
+ -zvmoe)
+ os=-zvmoe
+ ;;
+ -dicos*)
+ os=-dicos
+ ;;
+ -nacl*)
+ ;;
+ -none)
+ ;;
+ *)
+ # Get rid of the `-' at the beginning of $os.
+ os=`echo $os | sed 's/[^-]*-//'`
+ echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
+ exit 1
+ ;;
+esac
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system. Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+case $basic_machine in
+ score-*)
+ os=-elf
+ ;;
+ spu-*)
+ os=-elf
+ ;;
+ *-acorn)
+ os=-riscix1.2
+ ;;
+ arm*-rebel)
+ os=-linux
+ ;;
+ arm*-semi)
+ os=-aout
+ ;;
+ c4x-* | tic4x-*)
+ os=-coff
+ ;;
+ hexagon-*)
+ os=-elf
+ ;;
+ tic54x-*)
+ os=-coff
+ ;;
+ tic55x-*)
+ os=-coff
+ ;;
+ tic6x-*)
+ os=-coff
+ ;;
+ # This must come before the *-dec entry.
+ pdp10-*)
+ os=-tops20
+ ;;
+ pdp11-*)
+ os=-none
+ ;;
+ *-dec | vax-*)
+ os=-ultrix4.2
+ ;;
+ m68*-apollo)
+ os=-domain
+ ;;
+ i386-sun)
+ os=-sunos4.0.2
+ ;;
+ m68000-sun)
+ os=-sunos3
+ ;;
+ m68*-cisco)
+ os=-aout
+ ;;
+ mep-*)
+ os=-elf
+ ;;
+ mips*-cisco)
+ os=-elf
+ ;;
+ mips*-*)
+ os=-elf
+ ;;
+ or32-*)
+ os=-coff
+ ;;
+ *-tti) # must be before sparc entry or we get the wrong os.
+ os=-sysv3
+ ;;
+ sparc-* | *-sun)
+ os=-sunos4.1.1
+ ;;
+ *-be)
+ os=-beos
+ ;;
+ *-haiku)
+ os=-haiku
+ ;;
+ *-ibm)
+ os=-aix
+ ;;
+ *-knuth)
+ os=-mmixware
+ ;;
+ *-wec)
+ os=-proelf
+ ;;
+ *-winbond)
+ os=-proelf
+ ;;
+ *-oki)
+ os=-proelf
+ ;;
+ *-hp)
+ os=-hpux
+ ;;
+ *-hitachi)
+ os=-hiux
+ ;;
+ i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+ os=-sysv
+ ;;
+ *-cbm)
+ os=-amigaos
+ ;;
+ *-dg)
+ os=-dgux
+ ;;
+ *-dolphin)
+ os=-sysv3
+ ;;
+ m68k-ccur)
+ os=-rtu
+ ;;
+ m88k-omron*)
+ os=-luna
+ ;;
+ *-next )
+ os=-nextstep
+ ;;
+ *-sequent)
+ os=-ptx
+ ;;
+ *-crds)
+ os=-unos
+ ;;
+ *-ns)
+ os=-genix
+ ;;
+ i370-*)
+ os=-mvs
+ ;;
+ *-next)
+ os=-nextstep3
+ ;;
+ *-gould)
+ os=-sysv
+ ;;
+ *-highlevel)
+ os=-bsd
+ ;;
+ *-encore)
+ os=-bsd
+ ;;
+ *-sgi)
+ os=-irix
+ ;;
+ *-siemens)
+ os=-sysv4
+ ;;
+ *-masscomp)
+ os=-rtu
+ ;;
+ f30[01]-fujitsu | f700-fujitsu)
+ os=-uxpv
+ ;;
+ *-rom68k)
+ os=-coff
+ ;;
+ *-*bug)
+ os=-coff
+ ;;
+ *-apple)
+ os=-macos
+ ;;
+ *-atari*)
+ os=-mint
+ ;;
+ *)
+ os=-none
+ ;;
+esac
+fi
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer. We pick the logical manufacturer.
+vendor=unknown
+case $basic_machine in
+ *-unknown)
+ case $os in
+ -riscix*)
+ vendor=acorn
+ ;;
+ -sunos*)
+ vendor=sun
+ ;;
+ -cnk*|-aix*)
+ vendor=ibm
+ ;;
+ -beos*)
+ vendor=be
+ ;;
+ -hpux*)
+ vendor=hp
+ ;;
+ -mpeix*)
+ vendor=hp
+ ;;
+ -hiux*)
+ vendor=hitachi
+ ;;
+ -unos*)
+ vendor=crds
+ ;;
+ -dgux*)
+ vendor=dg
+ ;;
+ -luna*)
+ vendor=omron
+ ;;
+ -genix*)
+ vendor=ns
+ ;;
+ -mvs* | -opened*)
+ vendor=ibm
+ ;;
+ -os400*)
+ vendor=ibm
+ ;;
+ -ptx*)
+ vendor=sequent
+ ;;
+ -tpf*)
+ vendor=ibm
+ ;;
+ -vxsim* | -vxworks* | -windiss*)
+ vendor=wrs
+ ;;
+ -aux*)
+ vendor=apple
+ ;;
+ -hms*)
+ vendor=hitachi
+ ;;
+ -mpw* | -macos*)
+ vendor=apple
+ ;;
+ -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+ vendor=atari
+ ;;
+ -vos*)
+ vendor=stratus
+ ;;
+ esac
+ basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
+ ;;
+esac
+
+echo $basic_machine$os
+exit
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/configure b/configure
new file mode 100755
index 0000000..1693c5a
--- /dev/null
+++ b/configure
@@ -0,0 +1,15838 @@
+#! /bin/sh
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.69 for alsa-lib 1.0.29.
+#
+#
+# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+#
+#
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+ emulate sh
+ NULLCMD=:
+ # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in #(
+ *posix*) :
+ set -o posix ;; #(
+ *) :
+ ;;
+esac
+fi
+
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+ && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+ as_echo='print -r --'
+ as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+ as_echo='printf %s\n'
+ as_echo_n='printf %s'
+else
+ if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+ as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+ as_echo_n='/usr/ucb/echo -n'
+ else
+ as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+ as_echo_n_body='eval
+ arg=$1;
+ case $arg in #(
+ *"$as_nl"*)
+ expr "X$arg" : "X\\(.*\\)$as_nl";
+ arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+ esac;
+ expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+ '
+ export as_echo_n_body
+ as_echo_n='sh -c $as_echo_n_body as_echo'
+ fi
+ export as_echo_body
+ as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ PATH_SEPARATOR=:
+ (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+ (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+ PATH_SEPARATOR=';'
+ }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order. Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" "" $as_nl"
+
+# Find who we are. Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+ *[\\/]* ) as_myself=$0 ;;
+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+ as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+ $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+ exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there. '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+ && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+# Use a proper internal environment variable to ensure we don't fall
+ # into an infinite loop, continuously re-executing ourselves.
+ if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
+ _as_can_reexec=no; export _as_can_reexec;
+ # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+ *v*x* | *x*v* ) as_opts=-vx ;;
+ *v* ) as_opts=-v ;;
+ *x* ) as_opts=-x ;;
+ * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+as_fn_exit 255
+ fi
+ # We don't want this to propagate to other subprocesses.
+ { _as_can_reexec=; unset _as_can_reexec;}
+if test "x$CONFIG_SHELL" = x; then
+ as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+ emulate sh
+ NULLCMD=:
+ # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '\${1+\"\$@\"}'='\"\$@\"'
+ setopt NO_GLOB_SUBST
+else
+ case \`(set -o) 2>/dev/null\` in #(
+ *posix*) :
+ set -o posix ;; #(
+ *) :
+ ;;
+esac
+fi
+"
+ as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+ exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1
+test -x / || exit 1"
+ as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+ as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+ eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+ test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+
+ test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || (
+ ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+ ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
+ PATH=/empty FPATH=/empty; export PATH FPATH
+ test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\
+ || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+ if (eval "$as_required") 2>/dev/null; then :
+ as_have_required=yes
+else
+ as_have_required=no
+fi
+ if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+
+else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ as_found=:
+ case $as_dir in #(
+ /*)
+ for as_base in sh bash ksh sh5; do
+ # Try only shells that exist, to save several forks.
+ as_shell=$as_dir/$as_base
+ if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+ { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+ CONFIG_SHELL=$as_shell as_have_required=yes
+ if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+ break 2
+fi
+fi
+ done;;
+ esac
+ as_found=false
+done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+ { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+ CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
+IFS=$as_save_IFS
+
+
+ if test "x$CONFIG_SHELL" != x; then :
+ export CONFIG_SHELL
+ # We cannot yet assume a decent shell, so we have to provide a
+# neutralization value for shells without unset; and this also
+# works around shells that cannot unset nonexistent variables.
+# Preserve -v and -x to the replacement shell.
+BASH_ENV=/dev/null
+ENV=/dev/null
+(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+case $- in # ((((
+ *v*x* | *x*v* ) as_opts=-vx ;;
+ *v* ) as_opts=-v ;;
+ *x* ) as_opts=-x ;;
+ * ) as_opts= ;;
+esac
+exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+# Admittedly, this is quite paranoid, since all the known shells bail
+# out after a failed `exec'.
+$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
+exit 255
+fi
+
+ if test x$as_have_required = xno; then :
+ $as_echo "$0: This script requires a shell more modern than all"
+ $as_echo "$0: the shells that I found on your system."
+ if test x${ZSH_VERSION+set} = xset ; then
+ $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+ $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+ else
+ $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+ fi
+ exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+ { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+ return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+ set +e
+ as_fn_set_status $1
+ exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+ case $as_dir in #(
+ -*) as_dir=./$as_dir;;
+ esac
+ test -d "$as_dir" || eval $as_mkdir_p || {
+ as_dirs=
+ while :; do
+ case $as_dir in #(
+ *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+ *) as_qdir=$as_dir;;
+ esac
+ as_dirs="'$as_qdir' $as_dirs"
+ as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ test -d "$as_dir" && break
+ done
+ test -z "$as_dirs" || eval "mkdir $as_dirs"
+ } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+ test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+ eval 'as_fn_append ()
+ {
+ eval $1+=\$2
+ }'
+else
+ as_fn_append ()
+ {
+ eval $1=\$$1\$2
+ }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+ eval 'as_fn_arith ()
+ {
+ as_val=$(( $* ))
+ }'
+else
+ as_fn_arith ()
+ {
+ as_val=`expr "$@" || test $? -eq 1`
+ }
+fi # as_fn_arith
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+ as_status=$1; test $as_status -eq 0 && as_status=1
+ if test "$4"; then
+ as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+ fi
+ $as_echo "$as_me: error: $2" >&2
+ as_fn_exit $as_status
+} # as_fn_error
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+ test "X`expr 00001 : '.*\(...\)'`" = X001; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+ as_basename=basename
+else
+ as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+ as_dirname=dirname
+else
+ as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+ sed '/^.*\/\([^/][^/]*\)\/*$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+
+ as_lineno_1=$LINENO as_lineno_1a=$LINENO
+ as_lineno_2=$LINENO as_lineno_2a=$LINENO
+ eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+ test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+ # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
+ sed -n '
+ p
+ /[$]LINENO/=
+ ' <$as_myself |
+ sed '
+ s/[$]LINENO.*/&-/
+ t lineno
+ b
+ :lineno
+ N
+ :loop
+ s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+ t loop
+ s/-\n.*//
+ ' >$as_me.lineno &&
+ chmod +x "$as_me.lineno" ||
+ { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+ # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
+ # already done that, so ensure we don't try to do so again and fall
+ # in an infinite loop. This has already happened in practice.
+ _as_can_reexec=no; export _as_can_reexec
+ # Don't try to exec as it changes $[0], causing all sort of problems
+ # (the dirname of $[0] is not the place where we might find the
+ # original and so on. Autoconf is especially sensitive to this).
+ . "./$as_me.lineno"
+ # Exit status is that of the last command.
+ exit
+}
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+ case `echo 'xy\c'` in
+ *c*) ECHO_T=' ';; # ECHO_T is single tab character.
+ xy) ECHO_C='\c';;
+ *) echo `echo ksh88 bug on AIX 6.1` > /dev/null
+ ECHO_T=' ';;
+ esac;;
+*)
+ ECHO_N='-n';;
+esac
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+ rm -f conf$$.dir/conf$$.file
+else
+ rm -f conf$$.dir
+ mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+ if ln -s conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s='ln -s'
+ # ... but there are two gotchas:
+ # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+ # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+ # In both cases, we have to default to `cp -pR'.
+ ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+ as_ln_s='cp -pR'
+ elif ln conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s=ln
+ else
+ as_ln_s='cp -pR'
+ fi
+else
+ as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+if mkdir -p . 2>/dev/null; then
+ as_mkdir_p='mkdir -p "$as_dir"'
+else
+ test -d ./-p && rmdir ./-p
+ as_mkdir_p=false
+fi
+
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
+
+# Name of the host.
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_clean_files=
+ac_config_libobj_dir=.
+LIBOBJS=
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+
+# Identity of this package.
+PACKAGE_NAME='alsa-lib'
+PACKAGE_TARNAME='alsa-lib'
+PACKAGE_VERSION='1.0.29'
+PACKAGE_STRING='alsa-lib 1.0.29'
+PACKAGE_BUGREPORT=''
+PACKAGE_URL=''
+
+ac_unique_file="src/control/control.c"
+ac_default_prefix=/usr
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_subst_vars='am__EXEEXT_FALSE
+am__EXEEXT_TRUE
+LTLIBOBJS
+LIBOBJS
+BUILD_CTL_PLUGIN_EXT_FALSE
+BUILD_CTL_PLUGIN_EXT_TRUE
+BUILD_CTL_PLUGIN_SHM_FALSE
+BUILD_CTL_PLUGIN_SHM_TRUE
+BUILD_CTL_PLUGIN_FALSE
+BUILD_CTL_PLUGIN_TRUE
+BUILD_PCM_PLUGIN_MMAP_EMUL_FALSE
+BUILD_PCM_PLUGIN_MMAP_EMUL_TRUE
+BUILD_PCM_PLUGIN_IOPLUG_FALSE
+BUILD_PCM_PLUGIN_IOPLUG_TRUE
+BUILD_PCM_PLUGIN_EXTPLUG_FALSE
+BUILD_PCM_PLUGIN_EXTPLUG_TRUE
+BUILD_PCM_PLUGIN_SOFTVOL_FALSE
+BUILD_PCM_PLUGIN_SOFTVOL_TRUE
+BUILD_PCM_PLUGIN_IEC958_FALSE
+BUILD_PCM_PLUGIN_IEC958_TRUE
+BUILD_PCM_PLUGIN_ASYM_FALSE
+BUILD_PCM_PLUGIN_ASYM_TRUE
+BUILD_PCM_PLUGIN_DSNOOP_FALSE
+BUILD_PCM_PLUGIN_DSNOOP_TRUE
+BUILD_PCM_PLUGIN_DSHARE_FALSE
+BUILD_PCM_PLUGIN_DSHARE_TRUE
+BUILD_PCM_PLUGIN_DMIX_FALSE
+BUILD_PCM_PLUGIN_DMIX_TRUE
+BUILD_PCM_PLUGIN_LADSPA_FALSE
+BUILD_PCM_PLUGIN_LADSPA_TRUE
+BUILD_PCM_PLUGIN_LFLOAT_FALSE
+BUILD_PCM_PLUGIN_LFLOAT_TRUE
+BUILD_PCM_PLUGIN_HOOKS_FALSE
+BUILD_PCM_PLUGIN_HOOKS_TRUE
+BUILD_PCM_PLUGIN_METER_FALSE
+BUILD_PCM_PLUGIN_METER_TRUE
+BUILD_PCM_PLUGIN_SHARE_FALSE
+BUILD_PCM_PLUGIN_SHARE_TRUE
+BUILD_PCM_PLUGIN_EMPTY_FALSE
+BUILD_PCM_PLUGIN_EMPTY_TRUE
+BUILD_PCM_PLUGIN_NULL_FALSE
+BUILD_PCM_PLUGIN_NULL_TRUE
+BUILD_PCM_PLUGIN_FILE_FALSE
+BUILD_PCM_PLUGIN_FILE_TRUE
+BUILD_PCM_PLUGIN_SHM_FALSE
+BUILD_PCM_PLUGIN_SHM_TRUE
+BUILD_PCM_PLUGIN_MULTI_FALSE
+BUILD_PCM_PLUGIN_MULTI_TRUE
+BUILD_PCM_PLUGIN_PLUG_FALSE
+BUILD_PCM_PLUGIN_PLUG_TRUE
+BUILD_PCM_PLUGIN_RATE_FALSE
+BUILD_PCM_PLUGIN_RATE_TRUE
+BUILD_PCM_PLUGIN_ADPCM_FALSE
+BUILD_PCM_PLUGIN_ADPCM_TRUE
+BUILD_PCM_PLUGIN_ALAW_FALSE
+BUILD_PCM_PLUGIN_ALAW_TRUE
+BUILD_PCM_PLUGIN_MULAW_FALSE
+BUILD_PCM_PLUGIN_MULAW_TRUE
+BUILD_PCM_PLUGIN_ROUTE_FALSE
+BUILD_PCM_PLUGIN_ROUTE_TRUE
+BUILD_PCM_PLUGIN_LINEAR_FALSE
+BUILD_PCM_PLUGIN_LINEAR_TRUE
+BUILD_PCM_PLUGIN_COPY_FALSE
+BUILD_PCM_PLUGIN_COPY_TRUE
+BUILD_PCM_PLUGIN_FALSE
+BUILD_PCM_PLUGIN_TRUE
+BUILD_PYTHON_FALSE
+BUILD_PYTHON_TRUE
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+ pwd)`
+# When building in place, set srcdir=.
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+# Double slashes in file names in object file debugging info
+# mess up M-x gdb in Emacs.
+case $srcdir in
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+for ac_var in $ac_precious_vars; do
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+done
+
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+#
+if test "$ac_init_help" = "long"; then
+ # Omit some internal or obsolete options to make the list less imposing.
+ # This message is too long to be a string in the A/UX 3.1 sh.
+ cat <<_ACEOF
+\`configure' configures alsa-lib 1.0.29 to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE. See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+ -h, --help display this help and exit
+ --help=short display options specific to this package
+ --help=recursive display the short help of all the included packages
+ -V, --version display version information and exit
+ -q, --quiet, --silent do not print \`checking ...' messages
+ --cache-file=FILE cache test results in FILE [disabled]
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+ -n, --no-create do not create output files
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+Installation directories:
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+ [$ac_default_prefix]
+ --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
+ [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+ --bindir=DIR user executables [EPREFIX/bin]
+ --sbindir=DIR system admin executables [EPREFIX/sbin]
+ --libexecdir=DIR program executables [EPREFIX/libexec]
+ --sysconfdir=DIR read-only single-machine data [PREFIX/etc]
+ --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
+ --localstatedir=DIR modifiable single-machine data [PREFIX/var]
+ --libdir=DIR object code libraries [EPREFIX/lib]
+ --includedir=DIR C header files [PREFIX/include]
+ --oldincludedir=DIR C header files for non-gcc [/usr/include]
+ --datarootdir=DIR read-only arch.-independent data root [PREFIX/share]
+ --datadir=DIR read-only architecture-independent data [DATAROOTDIR]
+ --infodir=DIR info documentation [DATAROOTDIR/info]
+ --localedir=DIR locale-dependent data [DATAROOTDIR/locale]
+ --mandir=DIR man documentation [DATAROOTDIR/man]
+ --docdir=DIR documentation root [DATAROOTDIR/doc/alsa-lib]
+ --htmldir=DIR html documentation [DOCDIR]
+ --dvidir=DIR dvi documentation [DOCDIR]
+ --pdfdir=DIR pdf documentation [DOCDIR]
+ --psdir=DIR ps documentation [DOCDIR]
+_ACEOF
+
+ cat <<\_ACEOF
+
+Program names:
+ --program-prefix=PREFIX prepend PREFIX to installed program names
+ --program-suffix=SUFFIX append SUFFIX to installed program names
+ --program-transform-name=PROGRAM run sed PROGRAM on installed program names
+
+System types:
+ --build=BUILD configure for building on BUILD [guessed]
+ --host=HOST cross-compile to build programs to run on HOST [BUILD]
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+ case $ac_init_help in
+ short | recursive ) echo "Configuration of alsa-lib 1.0.29:";;
+ esac
+ cat <<\_ACEOF
+
+Optional Features:
+ --disable-option-checking ignore unrecognized --enable/--with options
+ --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
+ --enable-FEATURE[=ARG] include FEATURE [ARG=yes]
+ --disable-maintainer-mode
+ disable make rules and dependencies not useful (and
+ sometimes confusing) to the casual installer
+ --enable-silent-rules less verbose build output (undo: "make V=1")
+ --disable-silent-rules verbose build output (undo: "make V=0")
+ --enable-dependency-tracking
+ do not reject slow dependency extractors
+ --disable-dependency-tracking
+ speeds up one-time build
+ --enable-static[=PKGS] build static libraries [default=no]
+ --enable-shared[=PKGS] build shared libraries [default=yes]
+ --enable-fast-install[=PKGS]
+ optimize for fast installation [default=yes]
+ --disable-libtool-lock avoid locking (might break parallel builds)
+ --enable-symbolic-functions
+ use -Bsymbolic-functions option if available
+ (optmization for size and speed)
+ --enable-debug enable assert call at the default error message
+ handler
+ --enable-resmgr support resmgr (optional)
+ --disable-aload disable reading /dev/aload*
+ --disable-mixer disable the mixer component
+ --disable-pcm disable the PCM component
+ --disable-rawmidi disable the raw MIDI component
+ --disable-hwdep disable the hwdep component
+ --disable-seq disable the sequencer component
+ --disable-ucm disable the use-case-manager component
+ --disable-alisp disable the alisp component
+ --disable-old-symbols disable old obsoleted symbols
+ --disable-python disable the python components
+
+Optional Packages:
+ --with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
+ --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
+ --with-pic[=PKGS] try to use only PIC/non-PIC objects [default=use
+ both]
+ --with-gnu-ld assume the C compiler uses GNU ld [default=no]
+ --with-sysroot=DIR Search for dependent libraries within DIR
+ (or the compiler's sysroot if not specified).
+ --with-configdir=dir path where ALSA config files are stored
+ --with-plugindir=dir path where ALSA plugin files are stored
+ --with-pkgconfdir=dir path where pkgconfig files are stored
+ --with-versioned shared library will be compiled with versioned
+ symbols (default = yes)
+ --with-debug library will be compiled with asserts (default =
+ yes)
+ --with-tmpdir=directory directory to put tmp socket files (/tmp)
+ --with-softfloat do you have floating point unit on this machine?
+ (optional)
+ --with-libdl Use libdl for plugins (default = yes)
+ --with-pthread Use pthread (default = yes)
+ --with-librt Use librt for monotonic clock (default = yes)
+ --with-alsa-devdir=dir directory with ALSA device files (default /dev/snd)
+ --with-aload-devdir=dir directory with aload* device files (default /dev)
+ --with-pythonlibs=ldflags
+ specify python libraries (-lpthread -lm -ldl
+ -lpython2.4)
+ --with-pythonincludes=Cflags
+ specify python C header files
+ (-I/usr/include/python)
+ --with-pcm-plugins=<list>
+ build PCM plugins (default = all)
+ --with-ctl-plugins=<list>
+ build control plugins (default = all)
+ --with-max-cards Specify the max number of cards (default = 32)
+
+Some influential environment variables:
+ CC C compiler command
+ CFLAGS C compiler flags
+ LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
+ nonstandard directory <lib dir>
+ LIBS libraries to pass to the linker, e.g. -l<library>
+ CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
+ you have headers in a nonstandard directory <include dir>
+ CPP C preprocessor
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+Report bugs to the package provider.
+_ACEOF
+ac_status=$?
+fi
+
+if test "$ac_init_help" = "recursive"; then
+ # If there are subdirs, report their specific --help.
+ for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+ test -d "$ac_dir" ||
+ { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } ||
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+ ac_builddir=.
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+case "$ac_dir" in
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+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+ cd "$ac_dir" || { ac_status=$?; continue; }
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+if $ac_init_version; then
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+alsa-lib configure 1.0.29
+generated by GNU Autoconf 2.69
+
+Copyright (C) 2012 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+ exit
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+# ac_fn_c_try_compile LINENO
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+/* end confdefs.h. */
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+# ac_fn_c_try_run LINENO
+# ----------------------
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+$as_echo_n "checking for $2... " >&6; }
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+/* end confdefs.h. */
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+/* System header to define __stub macros and hopefully few prototypes,
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+#ifdef __STDC__
+# include <limits.h>
+#else
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+#undef $2
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+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
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+extern "C"
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+char $2 ();
+/* The GNU C library defines this for functions which it implements
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+choke me
+#endif
+
+int
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+{
+return $2 ();
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+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
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+ eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ if eval \${$3+:} false; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+ $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+ # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_header_compiler=yes
+else
+ ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+ ac_header_preproc=yes
+else
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+ yes:no: )
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+ ;;
+ no:yes:* )
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2: check for missing prerequisite headers?" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+ ;;
+esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_mongrel
+cat >config.log <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by alsa-lib $as_me 1.0.29, which was
+generated by GNU Autoconf 2.69. Invocation command line was
+
+ $ $0 $@
+
+_ACEOF
+exec 5>>config.log
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown`
+
+/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown`
+/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown`
+/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown`
+/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown`
+/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ $as_echo "PATH: $as_dir"
+ done
+IFS=$as_save_IFS
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+ for ac_arg
+ do
+ case $ac_arg in
+ -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil)
+ continue ;;
+ *\'*)
+ ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ case $ac_pass in
+ 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
+ 2)
+ as_fn_append ac_configure_args1 " '$ac_arg'"
+ if test $ac_must_keep_next = true; then
+ ac_must_keep_next=false # Got value, back to normal.
+ else
+ case $ac_arg in
+ *=* | --config-cache | -C | -disable-* | --disable-* \
+ | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+ | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+ | -with-* | --with-* | -without-* | --without-* | --x)
+ case "$ac_configure_args0 " in
+ "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+ esac
+ ;;
+ -* ) ac_must_keep_next=true ;;
+ esac
+ fi
+ as_fn_append ac_configure_args " '$ac_arg'"
+ ;;
+ esac
+ done
+done
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log. We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Use '\'' to represent an apostrophe within the trap.
+# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
+trap 'exit_status=$?
+ # Save into config.log some information that might help in debugging.
+ {
+ echo
+
+ $as_echo "## ---------------- ##
+## Cache variables. ##
+## ---------------- ##"
+ echo
+ # The following way of writing the cache mishandles newlines in values,
+(
+ for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+ eval ac_val=\$$ac_var
+ case $ac_val in #(
+ *${as_nl}*)
+ case $ac_var in #(
+ *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+ esac
+ case $ac_var in #(
+ _ | IFS | as_nl) ;; #(
+ BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+ *) { eval $ac_var=; unset $ac_var;} ;;
+ esac ;;
+ esac
+ done
+ (set) 2>&1 |
+ case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+ *${as_nl}ac_space=\ *)
+ sed -n \
+ "s/'\''/'\''\\\\'\'''\''/g;
+ s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+ ;; #(
+ *)
+ sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+ ;;
+ esac |
+ sort
+)
+ echo
+
+ $as_echo "## ----------------- ##
+## Output variables. ##
+## ----------------- ##"
+ echo
+ for ac_var in $ac_subst_vars
+ do
+ eval ac_val=\$$ac_var
+ case $ac_val in
+ *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+ esac
+ $as_echo "$ac_var='\''$ac_val'\''"
+ done | sort
+ echo
+
+ if test -n "$ac_subst_files"; then
+ $as_echo "## ------------------- ##
+## File substitutions. ##
+## ------------------- ##"
+ echo
+ for ac_var in $ac_subst_files
+ do
+ eval ac_val=\$$ac_var
+ case $ac_val in
+ *\'\''*) ac_val=`$as_echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+ esac
+ $as_echo "$ac_var='\''$ac_val'\''"
+ done | sort
+ echo
+ fi
+
+ if test -s confdefs.h; then
+ $as_echo "## ----------- ##
+## confdefs.h. ##
+## ----------- ##"
+ echo
+ cat confdefs.h
+ echo
+ fi
+ test "$ac_signal" != 0 &&
+ $as_echo "$as_me: caught signal $ac_signal"
+ $as_echo "$as_me: exit $exit_status"
+ } >&5
+ rm -f core *.core core.conftest.* &&
+ rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
+ exit $exit_status
+' 0
+for ac_signal in 1 2 13 15; do
+ trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -f -r conftest* confdefs.h
+
+$as_echo "/* confdefs.h */" > confdefs.h
+
+# Predefined preprocessor variables.
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer an explicitly selected file to automatically selected ones.
+ac_site_file1=NONE
+ac_site_file2=NONE
+if test -n "$CONFIG_SITE"; then
+ # We do not want a PATH search for config.site.
+ case $CONFIG_SITE in #((
+ -*) ac_site_file1=./$CONFIG_SITE;;
+ */*) ac_site_file1=$CONFIG_SITE;;
+ *) ac_site_file1=./$CONFIG_SITE;;
+ esac
+elif test "x$prefix" != xNONE; then
+ ac_site_file1=$prefix/share/config.site
+ ac_site_file2=$prefix/etc/config.site
+else
+ ac_site_file1=$ac_default_prefix/share/config.site
+ ac_site_file2=$ac_default_prefix/etc/config.site
+fi
+for ac_site_file in "$ac_site_file1" "$ac_site_file2"
+do
+ test "x$ac_site_file" = xNONE && continue
+ if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+$as_echo "$as_me: loading site script $ac_site_file" >&6;}
+ sed 's/^/| /' "$ac_site_file" >&5
+ . "$ac_site_file" \
+ || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
+ fi
+done
+
+if test -r "$cache_file"; then
+ # Some versions of bash will fail to source /dev/null (special files
+ # actually), so we avoid doing that. DJGPP emulates it as a regular file.
+ if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+$as_echo "$as_me: loading cache $cache_file" >&6;}
+ case $cache_file in
+ [\\/]* | ?:[\\/]* ) . "$cache_file";;
+ *) . "./$cache_file";;
+ esac
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+$as_echo "$as_me: creating cache $cache_file" >&6;}
+ >$cache_file
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in $ac_precious_vars; do
+ eval ac_old_set=\$ac_cv_env_${ac_var}_set
+ eval ac_new_set=\$ac_env_${ac_var}_set
+ eval ac_old_val=\$ac_cv_env_${ac_var}_value
+ eval ac_new_val=\$ac_env_${ac_var}_value
+ case $ac_old_set,$ac_new_set in
+ set,)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+ ac_cache_corrupted=: ;;
+ ,set)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+$as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+ ac_cache_corrupted=: ;;
+ ,);;
+ *)
+ if test "x$ac_old_val" != "x$ac_new_val"; then
+ # differences in whitespace do not lead to failure.
+ ac_old_val_w=`echo x $ac_old_val`
+ ac_new_val_w=`echo x $ac_new_val`
+ if test "$ac_old_val_w" != "$ac_new_val_w"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+$as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+ ac_cache_corrupted=:
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+$as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+ eval $ac_var=\$ac_old_val
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5
+$as_echo "$as_me: former value: \`$ac_old_val'" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5
+$as_echo "$as_me: current value: \`$ac_new_val'" >&2;}
+ fi;;
+ esac
+ # Pass precious variables to config.status.
+ if test "$ac_new_set" = set; then
+ case $ac_new_val in
+ *\'*) ac_arg=$ac_var=`$as_echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+ *) ac_arg=$ac_var=$ac_new_val ;;
+ esac
+ case " $ac_configure_args " in
+ *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy.
+ *) as_fn_append ac_configure_args " '$ac_arg'" ;;
+ esac
+ fi
+done
+if $ac_cache_corrupted; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+ as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
+fi
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
+
+
+ac_aux_dir=
+for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
+ if test -f "$ac_dir/install-sh"; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/install-sh -c"
+ break
+ elif test -f "$ac_dir/install.sh"; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/install.sh -c"
+ break
+ elif test -f "$ac_dir/shtool"; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/shtool install -c"
+ break
+ fi
+done
+if test -z "$ac_aux_dir"; then
+ as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
+fi
+
+# These three variables are undocumented and unsupported,
+# and are intended to be withdrawn in a future Autoconf release.
+# They can cause serious problems if a builder's source tree is in a directory
+# whose full name contains unusual characters.
+ac_config_guess="$SHELL $ac_aux_dir/config.guess" # Please don't use this var.
+ac_config_sub="$SHELL $ac_aux_dir/config.sub" # Please don't use this var.
+ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var.
+
+
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+ as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if ${ac_cv_build+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+ ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+ as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+ as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if ${ac_cv_host+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test "x$host_alias" = x; then
+ ac_cv_host=$ac_cv_build
+else
+ ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+ as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+am__api_version='1.12'
+
+# Find a good install program. We prefer a C program (faster),
+# so one script is as good as another. But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if ${ac_cv_path_install+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+ ./ | .// | /[cC]/* | \
+ /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+ ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
+ /usr/ucb/* ) ;;
+ *)
+ # OSF1 and SCO ODT 3.0 have their own names for install.
+ # Don't use installbsd from OSF since it installs stuff as root
+ # by default.
+ for ac_prog in ginstall scoinst install; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+ if test $ac_prog = install &&
+ grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # AIX install. It has an incompatible calling convention.
+ :
+ elif test $ac_prog = install &&
+ grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # program-specific install script used by HP pwplus--don't use.
+ :
+ else
+ rm -rf conftest.one conftest.two conftest.dir
+ echo one > conftest.one
+ echo two > conftest.two
+ mkdir conftest.dir
+ if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+ test -s conftest.one && test -s conftest.two &&
+ test -s conftest.dir/conftest.one &&
+ test -s conftest.dir/conftest.two
+ then
+ ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+ break 3
+ fi
+ fi
+ fi
+ done
+ done
+ ;;
+esac
+
+ done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+ if test "${ac_cv_path_install+set}" = set; then
+ INSTALL=$ac_cv_path_install
+ else
+ # As a last resort, use the slow shell script. Don't cache a
+ # value for INSTALL within a source directory, because that will
+ # break other packages using the cache if that directory is
+ # removed, or if the value is a relative name.
+ INSTALL=$ac_install_sh
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
+$as_echo_n "checking whether build environment is sane... " >&6; }
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name. Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+ *[\\\"\#\$\&\'\`$am_lf]*)
+ as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;;
+esac
+case $srcdir in
+ *[\\\"\#\$\&\'\`$am_lf\ \ ]*)
+ as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;;
+esac
+
+# Do 'set' in a subshell so we don't clobber the current shell's
+# arguments. Must try -L first in case configure is actually a
+# symlink; some systems play weird games with the mod time of symlinks
+# (eg FreeBSD returns the mod time of the symlink's containing
+# directory).
+if (
+ am_has_slept=no
+ for am_try in 1 2; do
+ echo "timestamp, slept: $am_has_slept" > conftest.file
+ set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
+ if test "$*" = "X"; then
+ # -L didn't work.
+ set X `ls -t "$srcdir/configure" conftest.file`
+ fi
+ if test "$*" != "X $srcdir/configure conftest.file" \
+ && test "$*" != "X conftest.file $srcdir/configure"; then
+
+ # If neither matched, then we have a broken ls. This can happen
+ # if, for instance, CONFIG_SHELL is bash and it inherits a
+ # broken ls alias from the environment. This has actually
+ # happened. Such a system could not be considered "sane".
+ as_fn_error $? "ls -t appears to fail. Make sure there is not a broken
+ alias in your environment" "$LINENO" 5
+ fi
+ if test "$2" = conftest.file || test $am_try -eq 2; then
+ break
+ fi
+ # Just in case.
+ sleep 1
+ am_has_slept=yes
+ done
+ test "$2" = conftest.file
+ )
+then
+ # Ok.
+ :
+else
+ as_fn_error $? "newly created file is older than distributed files!
+Check your system clock" "$LINENO" 5
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+# If we didn't sleep, we still need to ensure time stamps of config.status and
+# generated files are strictly newer.
+am_sleep_pid=
+if grep 'slept: no' conftest.file >/dev/null 2>&1; then
+ ( sleep 1 ) &
+ am_sleep_pid=$!
+fi
+
+rm -f conftest.file
+
+test "$program_prefix" != NONE &&
+ program_transform_name="s&^&$program_prefix&;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+ program_transform_name="s&\$&$program_suffix&;$program_transform_name"
+# Double any \ or $.
+# By default was `s,x,x', remove it if useless.
+ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
+program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
+
+# expand $ac_aux_dir to an absolute path
+am_aux_dir=`cd $ac_aux_dir && pwd`
+
+if test x"${MISSING+set}" != xset; then
+ case $am_aux_dir in
+ *\ * | *\ *)
+ MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+ *)
+ MISSING="\${SHELL} $am_aux_dir/missing" ;;
+ esac
+fi
+# Use eval to expand $SHELL
+if eval "$MISSING --run true"; then
+ am_missing_run="$MISSING --run "
+else
+ am_missing_run=
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
+$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
+fi
+
+if test x"${install_sh}" != xset; then
+ case $am_aux_dir in
+ *\ * | *\ *)
+ install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+ *)
+ install_sh="\${SHELL} $am_aux_dir/install-sh"
+ esac
+fi
+
+# Installed binaries are usually stripped using 'strip' when the user
+# run "make install-strip". However 'strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the 'STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_STRIP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$STRIP"; then
+ ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+ ac_ct_STRIP=$STRIP
+ # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_STRIP"; then
+ ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_STRIP="strip"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_STRIP" = x; then
+ STRIP=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ STRIP=$ac_ct_STRIP
+ fi
+else
+ STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
+$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
+if test -z "$MKDIR_P"; then
+ if ${ac_cv_path_mkdir+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in mkdir gmkdir; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext" || continue
+ case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
+ 'mkdir (GNU coreutils) '* | \
+ 'mkdir (coreutils) '* | \
+ 'mkdir (fileutils) '4.1*)
+ ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
+ break 3;;
+ esac
+ done
+ done
+ done
+IFS=$as_save_IFS
+
+fi
+
+ test -d ./--version && rmdir ./--version
+ if test "${ac_cv_path_mkdir+set}" = set; then
+ MKDIR_P="$ac_cv_path_mkdir -p"
+ else
+ # As a last resort, use the slow shell script. Don't cache a
+ # value for MKDIR_P within a source directory, because that will
+ # break other packages using the cache if that directory is
+ # removed, or if the value is a relative name.
+ MKDIR_P="$ac_install_sh -d"
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
+$as_echo "$MKDIR_P" >&6; }
+
+for ac_prog in gawk mawk nawk awk
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AWK+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$AWK"; then
+ ac_cv_prog_AWK="$AWK" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_AWK="$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$AWK" && break
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5
+$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; }
+set x ${MAKE-make}
+ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
+if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.make <<\_ACEOF
+SHELL = /bin/sh
+all:
+ @echo '@@@%%%=$(MAKE)=@@@%%%'
+_ACEOF
+# GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+case `${MAKE-make} -f conftest.make 2>/dev/null` in
+ *@@@%%%=?*=@@@%%%*)
+ eval ac_cv_prog_make_${ac_make}_set=yes;;
+ *)
+ eval ac_cv_prog_make_${ac_make}_set=no;;
+esac
+rm -f conftest.make
+fi
+if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ SET_MAKE=
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+rm -rf .tst 2>/dev/null
+mkdir .tst 2>/dev/null
+if test -d .tst; then
+ am__leading_dot=.
+else
+ am__leading_dot=_
+fi
+rmdir .tst 2>/dev/null
+
+if test "`cd $srcdir && pwd`" != "`pwd`"; then
+ # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
+ # is not polluted with repeated "-I."
+ am__isrc=' -I$(srcdir)'
+ # test to see if srcdir already configured
+ if test -f $srcdir/config.status; then
+ as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5
+ fi
+fi
+
+# test whether we have cygpath
+if test -z "$CYGPATH_W"; then
+ if (cygpath --version) >/dev/null 2>/dev/null; then
+ CYGPATH_W='cygpath -w'
+ else
+ CYGPATH_W=echo
+ fi
+fi
+
+
+# Define the identity of the package.
+ PACKAGE='alsa-lib'
+ VERSION='1.0.29'
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE "$PACKAGE"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define VERSION "$VERSION"
+_ACEOF
+
+# Some tools Automake needs.
+
+ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"}
+
+
+AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}
+
+
+AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"}
+
+
+AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
+
+
+MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
+
+# For better backward compatibility. To be removed once Automake 1.9.x
+# dies out for good. For more background, see:
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+mkdir_p='$(MKDIR_P)'
+
+# We need awk for the "check" target. The system "awk" is bad on
+# some platforms.
+# Always define AMTAR for backward compatibility. Yes, it's still used
+# in the wild :-( We should find a proper way to deprecate it ...
+AMTAR='$${TAR-tar}'
+
+am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
+
+
+
+
+
+eval LIBTOOL_VERSION_INFO="2:0:0"
+ if test -n "${ACLOCAL}"; then
+ INSTALL_M4_TRUE=
+ INSTALL_M4_FALSE='#'
+else
+ INSTALL_M4_TRUE='#'
+ INSTALL_M4_FALSE=
+fi
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
+$as_echo_n "checking whether to enable maintainer-specific portions of Makefiles... " >&6; }
+ # Check whether --enable-maintainer-mode was given.
+if test "${enable_maintainer_mode+set}" = set; then :
+ enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
+else
+ USE_MAINTAINER_MODE=yes
+fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
+$as_echo "$USE_MAINTAINER_MODE" >&6; }
+ if test $USE_MAINTAINER_MODE = yes; then
+ MAINTAINER_MODE_TRUE=
+ MAINTAINER_MODE_FALSE='#'
+else
+ MAINTAINER_MODE_TRUE='#'
+ MAINTAINER_MODE_FALSE=
+fi
+
+ MAINT=$MAINTAINER_MODE_TRUE
+
+
+
+# Test for new silent rules and enable only if they are available
+# Check whether --enable-silent-rules was given.
+if test "${enable_silent_rules+set}" = set; then :
+ enableval=$enable_silent_rules;
+fi
+
+case $enable_silent_rules in # (((
+ yes) AM_DEFAULT_VERBOSITY=0;;
+ no) AM_DEFAULT_VERBOSITY=1;;
+ *) AM_DEFAULT_VERBOSITY=0;;
+esac
+am_make=${MAKE-make}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5
+$as_echo_n "checking whether $am_make supports nested variables... " >&6; }
+if ${am_cv_make_support_nested_variables+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if $as_echo 'TRUE=$(BAR$(V))
+BAR0=false
+BAR1=true
+V=1
+am__doit:
+ @$(TRUE)
+.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then
+ am_cv_make_support_nested_variables=yes
+else
+ am_cv_make_support_nested_variables=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
+$as_echo "$am_cv_make_support_nested_variables" >&6; }
+if test $am_cv_make_support_nested_variables = yes; then
+ AM_V='$(V)'
+ AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
+else
+ AM_V=$AM_DEFAULT_VERBOSITY
+ AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
+fi
+AM_BACKSLASH='\'
+
+
+
+
+
+if test "x$host" != "x$build" -a -z "`echo $CC | grep -e '-gcc'`";
+then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cross-compiler" >&5
+$as_echo_n "checking for cross-compiler... " >&6; }
+
+ which ${program_prefix}gcc >/dev/null 2>&1 && CC=${program_prefix}gcc
+ which ${host_cpu}-${host_os}-gcc >/dev/null 2>&1 \
+ && CC=${host_cpu}-${host_os}-gcc
+ which ${host_cpu}-${host_vendor}-${host_os}-gcc >/dev/null 2>&1 \
+ && CC=${host_cpu}-${host_vendor}-${host_os}-gcc
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+fi
+
+CFLAGS="$CFLAGS -D_GNU_SOURCE"
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_CC="${ac_tool_prefix}gcc"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+ ac_ct_CC=$CC
+ # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_CC"; then
+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_CC="gcc"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_CC" = x; then
+ CC=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ CC=$ac_ct_CC
+ fi
+else
+ CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_CC="${ac_tool_prefix}cc"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ fi
+fi
+if test -z "$CC"; then
+ # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+ ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+ ac_prog_rejected=yes
+ continue
+ fi
+ ac_cv_prog_CC="cc"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+if test $ac_prog_rejected = yes; then
+ # We found a bogon in the path, so make sure we never use it.
+ set dummy $ac_cv_prog_CC
+ shift
+ if test $# != 0; then
+ # We chose a different compiler from the bogus one.
+ # However, it has the same basename, so the bogon will be chosen
+ # first if we set CC to just the basename; use the full file name.
+ shift
+ ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+ fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$CC"; then
+ if test -n "$ac_tool_prefix"; then
+ for ac_prog in cl.exe
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_CC+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+$as_echo "$CC" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$CC" && break
+ done
+fi
+if test -z "$CC"; then
+ ac_ct_CC=$CC
+ for ac_prog in cl.exe
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_CC"; then
+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_CC="$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+$as_echo "$ac_ct_CC" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$ac_ct_CC" && break
+done
+
+ if test "x$ac_ct_CC" = x; then
+ CC=""
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ CC=$ac_ct_CC
+ fi
+fi
+
+fi
+
+
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
+
+# Provide some information about the compiler.
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+set X $ac_compile
+ac_compiler=$2
+for ac_option in --version -v -V -qversion; do
+ { { ac_try="$ac_compiler $ac_option >&5"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_compiler $ac_option >&5") 2>conftest.err
+ ac_status=$?
+ if test -s conftest.err; then
+ sed '10a\
+... rest of stderr output deleted ...
+ 10q' conftest.err >conftest.er1
+ cat conftest.er1 >&5
+ fi
+ rm -f conftest.er1 conftest.err
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }
+done
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
+ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+
+# The possible output files:
+ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
+
+ac_rmfiles=
+for ac_file in $ac_files
+do
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+ * ) ac_rmfiles="$ac_rmfiles $ac_file";;
+ esac
+done
+rm -f $ac_rmfiles
+
+if { { ac_try="$ac_link_default"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_link_default") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then :
+ # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+# in a Makefile. We should not override ac_cv_exeext if it was cached,
+# so that the user can short-circuit this test for compilers unknown to
+# Autoconf.
+for ac_file in $ac_files ''
+do
+ test -f "$ac_file" || continue
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj )
+ ;;
+ [ab].out )
+ # We found the default executable, but exeext='' is most
+ # certainly right.
+ break;;
+ *.* )
+ if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+ then :; else
+ ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+ fi
+ # We set ac_cv_exeext here because the later test for it is not
+ # safe: cross compilers may not add the suffix if given an `-o'
+ # argument, so we may need to know it at that point already.
+ # Even if this section looks crufty: it has the advantage of
+ # actually working.
+ break;;
+ * )
+ break;;
+ esac
+done
+test "$ac_cv_exeext" = no && ac_cv_exeext=
+
+else
+ ac_file=''
+fi
+if test -z "$ac_file"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+ac_exeext=$ac_cv_exeext
+
+rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+$as_echo_n "checking for suffix of executables... " >&6; }
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then :
+ # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+ test -f "$ac_file" || continue
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;;
+ *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+ break;;
+ * ) break;;
+ esac
+done
+else
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest conftest$ac_cv_exeext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+$as_echo "$ac_cv_exeext" >&6; }
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdio.h>
+int
+main ()
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+ ;
+ return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run. If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+ { { ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_link") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }
+ if { ac_try='./conftest$ac_cv_exeext'
+ { { case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_try") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }; then
+ cross_compiling=no
+ else
+ if test "$cross_compiling" = maybe; then
+ cross_compiling=yes
+ else
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+ fi
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+$as_echo_n "checking for suffix of object files... " >&6; }
+if ${ac_cv_objext+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { { ac_try="$ac_compile"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_compile") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then :
+ for ac_file in conftest.o conftest.obj conftest.*; do
+ test -f "$ac_file" || continue;
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;;
+ *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+ break;;
+ esac
+done
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+$as_echo "$ac_cv_objext" >&6; }
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
+$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
+if ${ac_cv_c_compiler_gnu+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+#ifndef __GNUC__
+ choke me
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_compiler_gnu=yes
+else
+ ac_compiler_gnu=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+$as_echo "$ac_cv_c_compiler_gnu" >&6; }
+if test $ac_compiler_gnu = yes; then
+ GCC=yes
+else
+ GCC=
+fi
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+$as_echo_n "checking whether $CC accepts -g... " >&6; }
+if ${ac_cv_prog_cc_g+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_save_c_werror_flag=$ac_c_werror_flag
+ ac_c_werror_flag=yes
+ ac_cv_prog_cc_g=no
+ CFLAGS="-g"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_prog_cc_g=yes
+else
+ CFLAGS=""
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+ ac_c_werror_flag=$ac_save_c_werror_flag
+ CFLAGS="-g"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_prog_cc_g=yes
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag=$ac_save_c_werror_flag
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+$as_echo "$ac_cv_prog_cc_g" >&6; }
+if test "$ac_test_CFLAGS" = set; then
+ CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+ if test "$GCC" = yes; then
+ CFLAGS="-g -O2"
+ else
+ CFLAGS="-g"
+ fi
+else
+ if test "$GCC" = yes; then
+ CFLAGS="-O2"
+ else
+ CFLAGS=
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
+$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
+if ${ac_cv_prog_cc_c89+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_cv_prog_cc_c89=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdarg.h>
+#include <stdio.h>
+struct stat;
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+ char **p;
+ int i;
+{
+ return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+ char *s;
+ va_list v;
+ va_start (v,p);
+ s = g (p, va_arg (v,int));
+ va_end (v);
+ return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has
+ function prototypes and stuff, but not '\xHH' hex character constants.
+ These don't provoke an error unfortunately, instead are silently treated
+ as 'x'. The following induces an error, until -std is added to get
+ proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an
+ array size at least. It's necessary to write '\x00'==0 to get something
+ that's true only with -std. */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
+ inside strings and character constants. */
+#define FOO(x) 'x'
+int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
+ ;
+ return 0;
+}
+_ACEOF
+for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+ -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+ CC="$ac_save_CC $ac_arg"
+ if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_prog_cc_c89=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext
+ test "x$ac_cv_prog_cc_c89" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c89" in
+ x)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+ xno)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+ *)
+ CC="$CC $ac_cv_prog_cc_c89"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
+
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+ @echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from 'make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+ am__include=include
+ am__quote=
+ _am_result=GNU
+ ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+ echo '.include "confinc"' > confmf
+ case `$am_make -s -f confmf 2> /dev/null` in #(
+ *the\ am__doit\ target*)
+ am__include=.include
+ am__quote="\""
+ _am_result=BSD
+ ;;
+ esac
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then :
+ enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+ am_depcomp="$ac_aux_dir/depcomp"
+ AMDEPBACKSLASH='\'
+ am__nodep='_no'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+ AMDEP_TRUE=
+ AMDEP_FALSE='#'
+else
+ AMDEP_TRUE='#'
+ AMDEP_FALSE=
+fi
+
+
+
+depcc="$CC" am_compiler_list=
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+$as_echo_n "checking dependency style of $depcc... " >&6; }
+if ${am_cv_CC_dependencies_compiler_type+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+ # We make a subdir and do the tests there. Otherwise we can end up
+ # making bogus files that we don't know about and never remove. For
+ # instance it was reported that on HP-UX the gcc test will end up
+ # making a dummy file named 'D' -- because '-MD' means "put the output
+ # in D".
+ rm -rf conftest.dir
+ mkdir conftest.dir
+ # Copy depcomp to subdir because otherwise we won't find it if we're
+ # using a relative directory.
+ cp "$am_depcomp" conftest.dir
+ cd conftest.dir
+ # We will build objects and dependencies in a subdirectory because
+ # it helps to detect inapplicable dependency modes. For instance
+ # both Tru64's cc and ICC support -MD to output dependencies as a
+ # side effect of compilation, but ICC will put the dependencies in
+ # the current directory while Tru64 will put them in the object
+ # directory.
+ mkdir sub
+
+ am_cv_CC_dependencies_compiler_type=none
+ if test "$am_compiler_list" = ""; then
+ am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+ fi
+ am__universal=false
+ case " $depcc " in #(
+ *\ -arch\ *\ -arch\ *) am__universal=true ;;
+ esac
+
+ for depmode in $am_compiler_list; do
+ # Setup a source with many dependencies, because some compilers
+ # like to wrap large dependency lists on column 80 (with \), and
+ # we should not choose a depcomp mode which is confused by this.
+ #
+ # We need to recreate these files for each test, as the compiler may
+ # overwrite some of them when testing with obscure command lines.
+ # This happens at least with the AIX C compiler.
+ : > sub/conftest.c
+ for i in 1 2 3 4 5 6; do
+ echo '#include "conftst'$i'.h"' >> sub/conftest.c
+ # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+ # Solaris 10 /bin/sh.
+ echo '/* dummy */' > sub/conftst$i.h
+ done
+ echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+ # We check with '-c' and '-o' for the sake of the "dashmstdout"
+ # mode. It turns out that the SunPro C++ compiler does not properly
+ # handle '-M -o', and we need to detect this. Also, some Intel
+ # versions had trouble with output in subdirs.
+ am__obj=sub/conftest.${OBJEXT-o}
+ am__minus_obj="-o $am__obj"
+ case $depmode in
+ gcc)
+ # This depmode causes a compiler race in universal mode.
+ test "$am__universal" = false || continue
+ ;;
+ nosideeffect)
+ # After this tag, mechanisms are not by side-effect, so they'll
+ # only be used when explicitly requested.
+ if test "x$enable_dependency_tracking" = xyes; then
+ continue
+ else
+ break
+ fi
+ ;;
+ msvc7 | msvc7msys | msvisualcpp | msvcmsys)
+ # This compiler won't grok '-c -o', but also, the minuso test has
+ # not run yet. These depmodes are late enough in the game, and
+ # so weak that their functioning should not be impacted.
+ am__obj=conftest.${OBJEXT-o}
+ am__minus_obj=
+ ;;
+ none) break ;;
+ esac
+ if depmode=$depmode \
+ source=sub/conftest.c object=$am__obj \
+ depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
+ $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
+ >/dev/null 2>conftest.err &&
+ grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
+ grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
+ grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
+ ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
+ # icc doesn't choke on unknown options, it will just issue warnings
+ # or remarks (even with -Werror). So we grep stderr for any message
+ # that says an option was ignored or not supported.
+ # When given -MP, icc 7.0 and 7.1 complain thusly:
+ # icc: Command line warning: ignoring option '-M'; no argument required
+ # The diagnosis changed in icc 8.0:
+ # icc: Command line remark: option '-MP' not supported
+ if (grep 'ignoring option' conftest.err ||
+ grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
+ am_cv_CC_dependencies_compiler_type=$depmode
+ break
+ fi
+ fi
+ done
+
+ cd ..
+ rm -rf conftest.dir
+else
+ am_cv_CC_dependencies_compiler_type=none
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
+$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
+CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
+
+ if
+ test "x$enable_dependency_tracking" != xno \
+ && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
+ am__fastdepCC_TRUE=
+ am__fastdepCC_FALSE='#'
+else
+ am__fastdepCC_TRUE='#'
+ am__fastdepCC_FALSE=
+fi
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+$as_echo_n "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+ CPP=
+fi
+if test -z "$CPP"; then
+ if ${ac_cv_prog_CPP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ # Double quotes because CPP needs to be expanded
+ for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+ do
+ ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+ # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+ # Broken: success on invalid input.
+continue
+else
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+ break
+fi
+
+ done
+ ac_cv_prog_CPP=$CPP
+
+fi
+ CPP=$ac_cv_prog_CPP
+else
+ ac_cv_prog_CPP=$CPP
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+$as_echo "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+ # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether nonexistent headers
+ # can be detected and how.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+ # Broken: success on invalid input.
+continue
+else
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
+else
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
+$as_echo_n "checking whether ln -s works... " >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
+$as_echo "no, using $LN_S" >&6; }
+fi
+
+# Check whether --enable-static was given.
+if test "${enable_static+set}" = set; then :
+ enableval=$enable_static; p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_static=yes ;;
+ no) enable_static=no ;;
+ *)
+ enable_static=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_static=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac
+else
+ enable_static=no
+fi
+
+
+
+
+
+
+
+
+
+enable_dlopen=yes
+
+
+
+case `pwd` in
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
+esac
+
+
+
+macro_version='2.4.2'
+macro_revision='1.3337'
+
+
+
+
+
+
+
+
+
+
+
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+# Backslashify metacharacters that are still active within
+# double-quoted strings.
+sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution to delay expansion of an escaped shell variable in a
+# double_quote_subst'ed string.
+delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
+
+# Sed substitution to delay expansion of an escaped single quote.
+delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g'
+
+# Sed substitution to avoid accidental globbing in evaled expressions
+no_glob_subst='s/\*/\\\*/g'
+
+ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO
+ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5
+$as_echo_n "checking how to print strings... " >&6; }
+# Test print first, because it will be a builtin if present.
+if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \
+ test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then
+ ECHO='print -r --'
+elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then
+ ECHO='printf %s\n'
+else
+ # Use this function as a fallback that always works.
+ func_fallback_echo ()
+ {
+ eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+ }
+ ECHO='func_fallback_echo'
+fi
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+ $ECHO ""
+}
+
+case "$ECHO" in
+ printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5
+$as_echo "printf" >&6; } ;;
+ print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5
+$as_echo "print -r" >&6; } ;;
+ *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5
+$as_echo "cat" >&6; } ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
+$as_echo_n "checking for a sed that does not truncate output... " >&6; }
+if ${ac_cv_path_SED+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+ for ac_i in 1 2 3 4 5 6 7; do
+ ac_script="$ac_script$as_nl$ac_script"
+ done
+ echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+ { ac_script=; unset ac_script;}
+ if test -z "$SED"; then
+ ac_path_SED_found=false
+ # Loop through the user's path and test for each of PROGNAME-LIST
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in sed gsed; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
+ as_fn_executable_p "$ac_path_SED" || continue
+# Check for GNU ac_path_SED and select it if it is found.
+ # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+ ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+ ac_count=0
+ $as_echo_n 0123456789 >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ $as_echo '' >> "conftest.nl"
+ "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ as_fn_arith $ac_count + 1 && ac_count=$as_val
+ if test $ac_count -gt ${ac_path_SED_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_SED="$ac_path_SED"
+ ac_path_SED_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+ $ac_path_SED_found && break 3
+ done
+ done
+ done
+IFS=$as_save_IFS
+ if test -z "$ac_cv_path_SED"; then
+ as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
+ fi
+else
+ ac_cv_path_SED=$SED
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
+$as_echo "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+ rm -f conftest.sed
+
+test -z "$SED" && SED=sed
+Xsed="$SED -e 1s/^X//"
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if ${ac_cv_path_GREP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -z "$GREP"; then
+ ac_path_GREP_found=false
+ # Loop through the user's path and test for each of PROGNAME-LIST
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in grep ggrep; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+ as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+ # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+ ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+ ac_count=0
+ $as_echo_n 0123456789 >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ $as_echo 'GREP' >> "conftest.nl"
+ "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ as_fn_arith $ac_count + 1 && ac_count=$as_val
+ if test $ac_count -gt ${ac_path_GREP_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_GREP="$ac_path_GREP"
+ ac_path_GREP_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+ $ac_path_GREP_found && break 3
+ done
+ done
+ done
+IFS=$as_save_IFS
+ if test -z "$ac_cv_path_GREP"; then
+ as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+ fi
+else
+ ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if ${ac_cv_path_EGREP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+ then ac_cv_path_EGREP="$GREP -E"
+ else
+ if test -z "$EGREP"; then
+ ac_path_EGREP_found=false
+ # Loop through the user's path and test for each of PROGNAME-LIST
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in egrep; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+ as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+ # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+ ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+ ac_count=0
+ $as_echo_n 0123456789 >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ $as_echo 'EGREP' >> "conftest.nl"
+ "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ as_fn_arith $ac_count + 1 && ac_count=$as_val
+ if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_EGREP="$ac_path_EGREP"
+ ac_path_EGREP_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+ $ac_path_EGREP_found && break 3
+ done
+ done
+ done
+IFS=$as_save_IFS
+ if test -z "$ac_cv_path_EGREP"; then
+ as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+ fi
+else
+ ac_cv_path_EGREP=$EGREP
+fi
+
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
+$as_echo_n "checking for fgrep... " >&6; }
+if ${ac_cv_path_FGREP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+ then ac_cv_path_FGREP="$GREP -F"
+ else
+ if test -z "$FGREP"; then
+ ac_path_FGREP_found=false
+ # Loop through the user's path and test for each of PROGNAME-LIST
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in fgrep; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
+ as_fn_executable_p "$ac_path_FGREP" || continue
+# Check for GNU ac_path_FGREP and select it if it is found.
+ # Check for GNU $ac_path_FGREP
+case `"$ac_path_FGREP" --version 2>&1` in
+*GNU*)
+ ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
+*)
+ ac_count=0
+ $as_echo_n 0123456789 >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ $as_echo 'FGREP' >> "conftest.nl"
+ "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ as_fn_arith $ac_count + 1 && ac_count=$as_val
+ if test $ac_count -gt ${ac_path_FGREP_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_FGREP="$ac_path_FGREP"
+ ac_path_FGREP_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+ $ac_path_FGREP_found && break 3
+ done
+ done
+ done
+IFS=$as_save_IFS
+ if test -z "$ac_cv_path_FGREP"; then
+ as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+ fi
+else
+ ac_cv_path_FGREP=$FGREP
+fi
+
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
+$as_echo "$ac_cv_path_FGREP" >&6; }
+ FGREP="$ac_cv_path_FGREP"
+
+
+test -z "$GREP" && GREP=grep
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-gnu-ld was given.
+if test "${with_gnu_ld+set}" = set; then :
+ withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
+else
+ with_gnu_ld=no
+fi
+
+ac_prog=ld
+if test "$GCC" = yes; then
+ # Check if gcc -print-prog-name=ld gives a path.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
+$as_echo_n "checking for ld used by $CC... " >&6; }
+ case $host in
+ *-*-mingw*)
+ # gcc leaves a trailing carriage return which upsets mingw
+ ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+ *)
+ ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+ esac
+ case $ac_prog in
+ # Accept absolute paths.
+ [\\/]* | ?:[\\/]*)
+ re_direlt='/[^/][^/]*/\.\./'
+ # Canonicalize the pathname of ld
+ ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'`
+ while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do
+ ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"`
+ done
+ test -z "$LD" && LD="$ac_prog"
+ ;;
+ "")
+ # If it fails, then pretend we aren't using GCC.
+ ac_prog=ld
+ ;;
+ *)
+ # If it is relative, then search for the first ld in PATH.
+ with_gnu_ld=unknown
+ ;;
+ esac
+elif test "$with_gnu_ld" = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
+$as_echo_n "checking for GNU ld... " >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
+$as_echo_n "checking for non-GNU ld... " >&6; }
+fi
+if ${lt_cv_path_LD+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -z "$LD"; then
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+ lt_cv_path_LD="$ac_dir/$ac_prog"
+ # Check to see if the program is GNU ld. I'd rather use --version,
+ # but apparently some variants of GNU ld only accept -v.
+ # Break only if it was the GNU/non-GNU ld that we prefer.
+ case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
+ *GNU* | *'with BFD'*)
+ test "$with_gnu_ld" != no && break
+ ;;
+ *)
+ test "$with_gnu_ld" != yes && break
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+else
+ lt_cv_path_LD="$LD" # Let the user override the test with a path.
+fi
+fi
+
+LD="$lt_cv_path_LD"
+if test -n "$LD"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
+$as_echo "$LD" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
+$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
+if ${lt_cv_prog_gnu_ld+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ # I'd rather use --version here, but apparently some GNU lds only accept -v.
+case `$LD -v 2>&1 </dev/null` in
+*GNU* | *'with BFD'*)
+ lt_cv_prog_gnu_ld=yes
+ ;;
+*)
+ lt_cv_prog_gnu_ld=no
+ ;;
+esac
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
+$as_echo "$lt_cv_prog_gnu_ld" >&6; }
+with_gnu_ld=$lt_cv_prog_gnu_ld
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
+$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
+if ${lt_cv_path_NM+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$NM"; then
+ # Let the user override the test.
+ lt_cv_path_NM="$NM"
+else
+ lt_nm_to_check="${ac_tool_prefix}nm"
+ if test -n "$ac_tool_prefix" && test "$build" = "$host"; then
+ lt_nm_to_check="$lt_nm_to_check nm"
+ fi
+ for lt_tmp_nm in $lt_nm_to_check; do
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ tmp_nm="$ac_dir/$lt_tmp_nm"
+ if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
+ # Check to see if the nm accepts a BSD-compat flag.
+ # Adding the `sed 1q' prevents false positives on HP-UX, which says:
+ # nm: unknown option "B" ignored
+ # Tru64's nm complains that /dev/null is an invalid object file
+ case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
+ */dev/null* | *'Invalid file or object type'*)
+ lt_cv_path_NM="$tmp_nm -B"
+ break
+ ;;
+ *)
+ case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in
+ */dev/null*)
+ lt_cv_path_NM="$tmp_nm -p"
+ break
+ ;;
+ *)
+ lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
+ continue # so that we can try to find one that supports BSD flags
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ done
+ IFS="$lt_save_ifs"
+ done
+ : ${lt_cv_path_NM=no}
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
+$as_echo "$lt_cv_path_NM" >&6; }
+if test "$lt_cv_path_NM" != "no"; then
+ NM="$lt_cv_path_NM"
+else
+ # Didn't find any BSD compatible name lister, look for dumpbin.
+ if test -n "$DUMPBIN"; then :
+ # Let the user override the test.
+ else
+ if test -n "$ac_tool_prefix"; then
+ for ac_prog in dumpbin "link -dump"
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_DUMPBIN+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$DUMPBIN"; then
+ ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+DUMPBIN=$ac_cv_prog_DUMPBIN
+if test -n "$DUMPBIN"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
+$as_echo "$DUMPBIN" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$DUMPBIN" && break
+ done
+fi
+if test -z "$DUMPBIN"; then
+ ac_ct_DUMPBIN=$DUMPBIN
+ for ac_prog in dumpbin "link -dump"
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_DUMPBIN"; then
+ ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
+if test -n "$ac_ct_DUMPBIN"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
+$as_echo "$ac_ct_DUMPBIN" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$ac_ct_DUMPBIN" && break
+done
+
+ if test "x$ac_ct_DUMPBIN" = x; then
+ DUMPBIN=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ DUMPBIN=$ac_ct_DUMPBIN
+ fi
+fi
+
+ case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in
+ *COFF*)
+ DUMPBIN="$DUMPBIN -symbols"
+ ;;
+ *)
+ DUMPBIN=:
+ ;;
+ esac
+ fi
+
+ if test "$DUMPBIN" != ":"; then
+ NM="$DUMPBIN"
+ fi
+fi
+test -z "$NM" && NM=nm
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
+$as_echo_n "checking the name lister ($NM) interface... " >&6; }
+if ${lt_cv_nm_interface+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_nm_interface="BSD nm"
+ echo "int some_variable = 0;" > conftest.$ac_ext
+ (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
+ (eval "$ac_compile" 2>conftest.err)
+ cat conftest.err >&5
+ (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+ (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
+ cat conftest.err >&5
+ (eval echo "\"\$as_me:$LINENO: output\"" >&5)
+ cat conftest.out >&5
+ if $GREP 'External.*some_variable' conftest.out > /dev/null; then
+ lt_cv_nm_interface="MS dumpbin"
+ fi
+ rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
+$as_echo "$lt_cv_nm_interface" >&6; }
+
+# find the maximum length of command line arguments
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
+$as_echo_n "checking the maximum length of command line arguments... " >&6; }
+if ${lt_cv_sys_max_cmd_len+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ i=0
+ teststring="ABCD"
+
+ case $build_os in
+ msdosdjgpp*)
+ # On DJGPP, this test can blow up pretty badly due to problems in libc
+ # (any single argument exceeding 2000 bytes causes a buffer overrun
+ # during glob expansion). Even if it were fixed, the result of this
+ # check would be larger than it should be.
+ lt_cv_sys_max_cmd_len=12288; # 12K is about right
+ ;;
+
+ gnu*)
+ # Under GNU Hurd, this test is not required because there is
+ # no limit to the length of command line arguments.
+ # Libtool will interpret -1 as no limit whatsoever
+ lt_cv_sys_max_cmd_len=-1;
+ ;;
+
+ cygwin* | mingw* | cegcc*)
+ # On Win9x/ME, this test blows up -- it succeeds, but takes
+ # about 5 minutes as the teststring grows exponentially.
+ # Worse, since 9x/ME are not pre-emptively multitasking,
+ # you end up with a "frozen" computer, even though with patience
+ # the test eventually succeeds (with a max line length of 256k).
+ # Instead, let's just punt: use the minimum linelength reported by
+ # all of the supported platforms: 8192 (on NT/2K/XP).
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ mint*)
+ # On MiNT this can take a long time and run out of memory.
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ amigaos*)
+ # On AmigaOS with pdksh, this test takes hours, literally.
+ # So we just punt and use a minimum line length of 8192.
+ lt_cv_sys_max_cmd_len=8192;
+ ;;
+
+ netbsd* | freebsd* | openbsd* | darwin* | dragonfly*)
+ # This has been around since 386BSD, at least. Likely further.
+ if test -x /sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
+ elif test -x /usr/sbin/sysctl; then
+ lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
+ else
+ lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs
+ fi
+ # And add a safety zone
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ ;;
+
+ interix*)
+ # We know the value 262144 and hardcode it with a safety zone (like BSD)
+ lt_cv_sys_max_cmd_len=196608
+ ;;
+
+ os2*)
+ # The test takes a long time on OS/2.
+ lt_cv_sys_max_cmd_len=8192
+ ;;
+
+ osf*)
+ # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure
+ # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not
+ # nice to cause kernel panics so lets avoid the loop below.
+ # First set a reasonable default.
+ lt_cv_sys_max_cmd_len=16384
+ #
+ if test -x /sbin/sysconfig; then
+ case `/sbin/sysconfig -q proc exec_disable_arg_limit` in
+ *1*) lt_cv_sys_max_cmd_len=-1 ;;
+ esac
+ fi
+ ;;
+ sco3.2v5*)
+ lt_cv_sys_max_cmd_len=102400
+ ;;
+ sysv5* | sco5v6* | sysv4.2uw2*)
+ kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null`
+ if test -n "$kargmax"; then
+ lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'`
+ else
+ lt_cv_sys_max_cmd_len=32768
+ fi
+ ;;
+ *)
+ lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null`
+ if test -n "$lt_cv_sys_max_cmd_len"; then
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3`
+ else
+ # Make teststring a little bigger before we do anything with it.
+ # a 1K string should be a reasonable start.
+ for i in 1 2 3 4 5 6 7 8 ; do
+ teststring=$teststring$teststring
+ done
+ SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
+ # If test is not a shell built-in, we'll probably end up computing a
+ # maximum length that is only half of the actual maximum length, but
+ # we can't tell.
+ while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \
+ = "X$teststring$teststring"; } >/dev/null 2>&1 &&
+ test $i != 17 # 1/2 MB should be enough
+ do
+ i=`expr $i + 1`
+ teststring=$teststring$teststring
+ done
+ # Only check the string length outside the loop.
+ lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1`
+ teststring=
+ # Add a significant safety factor because C++ compilers can tack on
+ # massive amounts of additional arguments before passing them to the
+ # linker. It appears as though 1/2 is a usable value.
+ lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
+ fi
+ ;;
+ esac
+
+fi
+
+if test -n $lt_cv_sys_max_cmd_len ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
+$as_echo "$lt_cv_sys_max_cmd_len" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
+$as_echo "none" >&6; }
+fi
+max_cmd_len=$lt_cv_sys_max_cmd_len
+
+
+
+
+
+
+: ${CP="cp -f"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5
+$as_echo_n "checking whether the shell understands some XSI constructs... " >&6; }
+# Try some XSI features
+xsi_shell=no
+( _lt_dummy="a/b/c"
+ test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \
+ = c,a/b,b/c, \
+ && eval 'test $(( 1 + 1 )) -eq 2 \
+ && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
+ && xsi_shell=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5
+$as_echo "$xsi_shell" >&6; }
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5
+$as_echo_n "checking whether the shell understands \"+=\"... " >&6; }
+lt_shell_append=no
+( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \
+ >/dev/null 2>&1 \
+ && lt_shell_append=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5
+$as_echo "$lt_shell_append" >&6; }
+
+
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+ lt_unset=unset
+else
+ lt_unset=false
+fi
+
+
+
+
+
+# test EBCDIC or ASCII
+case `echo X|tr X '\101'` in
+ A) # ASCII based system
+ # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr
+ lt_SP2NL='tr \040 \012'
+ lt_NL2SP='tr \015\012 \040\040'
+ ;;
+ *) # EBCDIC based system
+ lt_SP2NL='tr \100 \n'
+ lt_NL2SP='tr \r\n \100\100'
+ ;;
+esac
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5
+$as_echo_n "checking how to convert $build file names to $host format... " >&6; }
+if ${lt_cv_to_host_file_cmd+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $host in
+ *-*-mingw* )
+ case $build in
+ *-*-mingw* ) # actually msys
+ lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32
+ ;;
+ *-*-cygwin* )
+ lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32
+ ;;
+ * ) # otherwise, assume *nix
+ lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32
+ ;;
+ esac
+ ;;
+ *-*-cygwin* )
+ case $build in
+ *-*-mingw* ) # actually msys
+ lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin
+ ;;
+ *-*-cygwin* )
+ lt_cv_to_host_file_cmd=func_convert_file_noop
+ ;;
+ * ) # otherwise, assume *nix
+ lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin
+ ;;
+ esac
+ ;;
+ * ) # unhandled hosts (and "normal" native builds)
+ lt_cv_to_host_file_cmd=func_convert_file_noop
+ ;;
+esac
+
+fi
+
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5
+$as_echo "$lt_cv_to_host_file_cmd" >&6; }
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5
+$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; }
+if ${lt_cv_to_tool_file_cmd+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ #assume ordinary cross tools, or native build.
+lt_cv_to_tool_file_cmd=func_convert_file_noop
+case $host in
+ *-*-mingw* )
+ case $build in
+ *-*-mingw* ) # actually msys
+ lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32
+ ;;
+ esac
+ ;;
+esac
+
+fi
+
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5
+$as_echo "$lt_cv_to_tool_file_cmd" >&6; }
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
+$as_echo_n "checking for $LD option to reload object files... " >&6; }
+if ${lt_cv_ld_reload_flag+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_ld_reload_flag='-r'
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
+$as_echo "$lt_cv_ld_reload_flag" >&6; }
+reload_flag=$lt_cv_ld_reload_flag
+case $reload_flag in
+"" | " "*) ;;
+*) reload_flag=" $reload_flag" ;;
+esac
+reload_cmds='$LD$reload_flag -o $output$reload_objs'
+case $host_os in
+ cygwin* | mingw* | pw32* | cegcc*)
+ if test "$GCC" != yes; then
+ reload_cmds=false
+ fi
+ ;;
+ darwin*)
+ if test "$GCC" = yes; then
+ reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs'
+ else
+ reload_cmds='$LD$reload_flag -o $output$reload_objs'
+ fi
+ ;;
+esac
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
+set dummy ${ac_tool_prefix}objdump; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_OBJDUMP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$OBJDUMP"; then
+ ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+OBJDUMP=$ac_cv_prog_OBJDUMP
+if test -n "$OBJDUMP"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
+$as_echo "$OBJDUMP" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OBJDUMP"; then
+ ac_ct_OBJDUMP=$OBJDUMP
+ # Extract the first word of "objdump", so it can be a program name with args.
+set dummy objdump; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_OBJDUMP"; then
+ ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_OBJDUMP="objdump"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
+if test -n "$ac_ct_OBJDUMP"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
+$as_echo "$ac_ct_OBJDUMP" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_OBJDUMP" = x; then
+ OBJDUMP="false"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ OBJDUMP=$ac_ct_OBJDUMP
+ fi
+else
+ OBJDUMP="$ac_cv_prog_OBJDUMP"
+fi
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
+$as_echo_n "checking how to recognize dependent libraries... " >&6; }
+if ${lt_cv_deplibs_check_method+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_file_magic_cmd='$MAGIC_CMD'
+lt_cv_file_magic_test_file=
+lt_cv_deplibs_check_method='unknown'
+# Need to set the preceding variable on all platforms that support
+# interlibrary dependencies.
+# 'none' -- dependencies not supported.
+# `unknown' -- same as none, but documents that we really don't know.
+# 'pass_all' -- all dependencies passed with no checks.
+# 'test_compile' -- check by making test program.
+# 'file_magic [[regex]]' -- check by looking for files in library path
+# which responds to the $file_magic_cmd with a given extended regex.
+# If you have `file' or equivalent on your system and you're not sure
+# whether `pass_all' will *always* work, you probably want this one.
+
+case $host_os in
+aix[4-9]*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+beos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+bsdi[45]*)
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
+ lt_cv_file_magic_cmd='/usr/bin/file -L'
+ lt_cv_file_magic_test_file=/shlib/libc.so
+ ;;
+
+cygwin*)
+ # func_win32_libid is a shell function defined in ltmain.sh
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ ;;
+
+mingw* | pw32*)
+ # Base MSYS/MinGW do not provide the 'file' command needed by
+ # func_win32_libid shell function, so use a weaker test based on 'objdump',
+ # unless we find 'file', for example because we are cross-compiling.
+ # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin.
+ if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then
+ lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL'
+ lt_cv_file_magic_cmd='func_win32_libid'
+ else
+ # Keep this pattern in sync with the one in func_win32_libid.
+ lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)'
+ lt_cv_file_magic_cmd='$OBJDUMP -f'
+ fi
+ ;;
+
+cegcc*)
+ # use the weaker test based on 'objdump'. See mingw*.
+ lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+ lt_cv_file_magic_cmd='$OBJDUMP -f'
+ ;;
+
+darwin* | rhapsody*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+freebsd* | dragonfly*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+ case $host_cpu in
+ i*86 )
+ # Not sure whether the presence of OpenBSD here was a mistake.
+ # Let's accept both of them until this is cleared up.
+ lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
+ ;;
+ esac
+ else
+ lt_cv_deplibs_check_method=pass_all
+ fi
+ ;;
+
+gnu*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+haiku*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+hpux10.20* | hpux11*)
+ lt_cv_file_magic_cmd=/usr/bin/file
+ case $host_cpu in
+ ia64*)
+ lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'
+ lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
+ ;;
+ hppa*64*)
+ lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'
+ lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl
+ ;;
+ *)
+ lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library'
+ lt_cv_file_magic_test_file=/usr/lib/libc.sl
+ ;;
+ esac
+ ;;
+
+interix[3-9]*)
+ # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$'
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $LD in
+ *-32|*"-32 ") libmagic=32-bit;;
+ *-n32|*"-n32 ") libmagic=N32;;
+ *-64|*"-64 ") libmagic=64-bit;;
+ *) libmagic=never-match;;
+ esac
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+netbsd*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$'
+ fi
+ ;;
+
+newos6*)
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'
+ lt_cv_file_magic_cmd=/usr/bin/file
+ lt_cv_file_magic_test_file=/usr/lib/libnls.so
+ ;;
+
+*nto* | *qnx*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+openbsd*)
+ if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$'
+ else
+ lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+ fi
+ ;;
+
+osf3* | osf4* | osf5*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+rdos*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+solaris*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+
+sysv4 | sysv4.3*)
+ case $host_vendor in
+ motorola)
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
+ lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
+ ;;
+ ncr)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ sequent)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
+ ;;
+ sni)
+ lt_cv_file_magic_cmd='/bin/file'
+ lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib"
+ lt_cv_file_magic_test_file=/lib/libc.so
+ ;;
+ siemens)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ pc)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+ esac
+ ;;
+
+tpf*)
+ lt_cv_deplibs_check_method=pass_all
+ ;;
+esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
+$as_echo "$lt_cv_deplibs_check_method" >&6; }
+
+file_magic_glob=
+want_nocaseglob=no
+if test "$build" = "$host"; then
+ case $host_os in
+ mingw* | pw32*)
+ if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then
+ want_nocaseglob=yes
+ else
+ file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"`
+ fi
+ ;;
+ esac
+fi
+
+file_magic_cmd=$lt_cv_file_magic_cmd
+deplibs_check_method=$lt_cv_deplibs_check_method
+test -z "$deplibs_check_method" && deplibs_check_method=unknown
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dlltool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_DLLTOOL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$DLLTOOL"; then
+ ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+DLLTOOL=$ac_cv_prog_DLLTOOL
+if test -n "$DLLTOOL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5
+$as_echo "$DLLTOOL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DLLTOOL"; then
+ ac_ct_DLLTOOL=$DLLTOOL
+ # Extract the first word of "dlltool", so it can be a program name with args.
+set dummy dlltool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_DLLTOOL"; then
+ ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_DLLTOOL="dlltool"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
+if test -n "$ac_ct_DLLTOOL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5
+$as_echo "$ac_ct_DLLTOOL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_DLLTOOL" = x; then
+ DLLTOOL="false"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ DLLTOOL=$ac_ct_DLLTOOL
+ fi
+else
+ DLLTOOL="$ac_cv_prog_DLLTOOL"
+fi
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5
+$as_echo_n "checking how to associate runtime and link libraries... " >&6; }
+if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_sharedlib_from_linklib_cmd='unknown'
+
+case $host_os in
+cygwin* | mingw* | pw32* | cegcc*)
+ # two different shell functions defined in ltmain.sh
+ # decide which to use based on capabilities of $DLLTOOL
+ case `$DLLTOOL --help 2>&1` in
+ *--identify-strict*)
+ lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib
+ ;;
+ *)
+ lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback
+ ;;
+ esac
+ ;;
+*)
+ # fallback: assume linklib IS sharedlib
+ lt_cv_sharedlib_from_linklib_cmd="$ECHO"
+ ;;
+esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
+$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
+sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd
+test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO
+
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+ for ac_prog in ar
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$AR"; then
+ ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_AR="$ac_tool_prefix$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+AR=$ac_cv_prog_AR
+if test -n "$AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
+$as_echo "$AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$AR" && break
+ done
+fi
+if test -z "$AR"; then
+ ac_ct_AR=$AR
+ for ac_prog in ar
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_AR"; then
+ ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_AR="$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_AR=$ac_cv_prog_ac_ct_AR
+if test -n "$ac_ct_AR"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
+$as_echo "$ac_ct_AR" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$ac_ct_AR" && break
+done
+
+ if test "x$ac_ct_AR" = x; then
+ AR="false"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ AR=$ac_ct_AR
+ fi
+fi
+
+: ${AR=ar}
+: ${AR_FLAGS=cru}
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5
+$as_echo_n "checking for archiver @FILE support... " >&6; }
+if ${lt_cv_ar_at_file+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_ar_at_file=no
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ echo conftest.$ac_objext > conftest.lst
+ lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
+ (eval $lt_ar_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }
+ if test "$ac_status" -eq 0; then
+ # Ensure the archiver fails upon bogus file names.
+ rm -f conftest.$ac_objext libconftest.a
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5
+ (eval $lt_ar_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }
+ if test "$ac_status" -ne 0; then
+ lt_cv_ar_at_file=@
+ fi
+ fi
+ rm -f conftest.* libconftest.a
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
+$as_echo "$lt_cv_ar_at_file" >&6; }
+
+if test "x$lt_cv_ar_at_file" = xno; then
+ archiver_list_spec=
+else
+ archiver_list_spec=$lt_cv_ar_at_file
+fi
+
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_STRIP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$STRIP"; then
+ ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+ ac_ct_STRIP=$STRIP
+ # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_STRIP"; then
+ ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_STRIP="strip"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_STRIP" = x; then
+ STRIP=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ STRIP=$ac_ct_STRIP
+ fi
+else
+ STRIP="$ac_cv_prog_STRIP"
+fi
+
+test -z "$STRIP" && STRIP=:
+
+
+
+
+
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_RANLIB+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$RANLIB"; then
+ ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
+$as_echo "$RANLIB" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+ ac_ct_RANLIB=$RANLIB
+ # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_RANLIB"; then
+ ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_RANLIB="ranlib"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
+$as_echo "$ac_ct_RANLIB" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_RANLIB" = x; then
+ RANLIB=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ RANLIB=$ac_ct_RANLIB
+ fi
+else
+ RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+test -z "$RANLIB" && RANLIB=:
+
+
+
+
+
+
+# Determine commands to create old-style static archives.
+old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs'
+old_postinstall_cmds='chmod 644 $oldlib'
+old_postuninstall_cmds=
+
+if test -n "$RANLIB"; then
+ case $host_os in
+ openbsd*)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib"
+ ;;
+ *)
+ old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib"
+ ;;
+ esac
+ old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib"
+fi
+
+case $host_os in
+ darwin*)
+ lock_old_archive_extraction=yes ;;
+ *)
+ lock_old_archive_extraction=no ;;
+esac
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+
+# Check for command to grab the raw symbol name followed by C symbol from nm.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5
+$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
+if ${lt_cv_sys_global_symbol_pipe+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+# These are sane defaults that work on at least a few old systems.
+# [They come from Ultrix. What could be older than Ultrix?!! ;)]
+
+# Character class describing NM global symbol codes.
+symcode='[BCDEGRST]'
+
+# Regexp to match symbols that can be accessed directly from C.
+sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
+
+# Define system-specific variables.
+case $host_os in
+aix*)
+ symcode='[BCDT]'
+ ;;
+cygwin* | mingw* | pw32* | cegcc*)
+ symcode='[ABCDGISTW]'
+ ;;
+hpux*)
+ if test "$host_cpu" = ia64; then
+ symcode='[ABCDEGRST]'
+ fi
+ ;;
+irix* | nonstopux*)
+ symcode='[BCDEGRST]'
+ ;;
+osf*)
+ symcode='[BCDEGQRST]'
+ ;;
+solaris*)
+ symcode='[BDRT]'
+ ;;
+sco3.2v5*)
+ symcode='[DT]'
+ ;;
+sysv4.2uw2*)
+ symcode='[DT]'
+ ;;
+sysv5* | sco5v6* | unixware* | OpenUNIX*)
+ symcode='[ABDT]'
+ ;;
+sysv4)
+ symcode='[DFNSTU]'
+ ;;
+esac
+
+# If we're using GNU nm, then use its standard symbol codes.
+case `$NM -V 2>&1` in
+*GNU* | *'with BFD'*)
+ symcode='[ABCDGIRSTW]' ;;
+esac
+
+# Transform an extracted symbol line into a proper C declaration.
+# Some systems (esp. on ia64) link data and code symbols differently,
+# so use this general approach.
+lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
+
+# Transform an extracted symbol line into symbol name and symbol address
+lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'"
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'"
+
+# Handle CRLF in mingw tool chain
+opt_cr=
+case $build_os in
+mingw*)
+ opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp
+ ;;
+esac
+
+# Try without a prefix underscore, then with it.
+for ac_symprfx in "" "_"; do
+
+ # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol.
+ symxfrm="\\1 $ac_symprfx\\2 \\2"
+
+ # Write the raw and C identifiers.
+ if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+ # Fake it for dumpbin and say T for any non-static function
+ # and D for any global variable.
+ # Also find C++ and __fastcall symbols from MSVC++,
+ # which start with @ or ?.
+ lt_cv_sys_global_symbol_pipe="$AWK '"\
+" {last_section=section; section=\$ 3};"\
+" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\
+" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\
+" \$ 0!~/External *\|/{next};"\
+" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\
+" {if(hide[section]) next};"\
+" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\
+" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\
+" s[1]~/^[@?]/{print s[1], s[1]; next};"\
+" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\
+" ' prfx=^$ac_symprfx"
+ else
+ lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'"
+ fi
+ lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'"
+
+ # Check to see that the pipe works correctly.
+ pipe_works=no
+
+ rm -f conftest*
+ cat > conftest.$ac_ext <<_LT_EOF
+#ifdef __cplusplus
+extern "C" {
+#endif
+char nm_test_var;
+void nm_test_func(void);
+void nm_test_func(void){}
+#ifdef __cplusplus
+}
+#endif
+int main(){nm_test_var='a';nm_test_func();return(0);}
+_LT_EOF
+
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ # Now try to grab the symbols.
+ nlist=conftest.nm
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5
+ (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } && test -s "$nlist"; then
+ # Try sorting and uniquifying the output.
+ if sort "$nlist" | uniq > "$nlist"T; then
+ mv -f "$nlist"T "$nlist"
+ else
+ rm -f "$nlist"T
+ fi
+
+ # Make sure that we snagged all the symbols we need.
+ if $GREP ' nm_test_var$' "$nlist" >/dev/null; then
+ if $GREP ' nm_test_func$' "$nlist" >/dev/null; then
+ cat <<_LT_EOF > conftest.$ac_ext
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+ relocations are performed -- see ld's documentation on pseudo-relocs. */
+# define LT_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data. */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+_LT_EOF
+ # Now generate the symbol file.
+ eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext'
+
+ cat <<_LT_EOF >> conftest.$ac_ext
+
+/* The mapping between symbol names and symbols. */
+LT_DLSYM_CONST struct {
+ const char *name;
+ void *address;
+}
+lt__PROGRAM__LTX_preloaded_symbols[] =
+{
+ { "@PROGRAM@", (void *) 0 },
+_LT_EOF
+ $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext
+ cat <<\_LT_EOF >> conftest.$ac_ext
+ {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+ return lt__PROGRAM__LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+_LT_EOF
+ # Now try linking the two files.
+ mv conftest.$ac_objext conftstm.$ac_objext
+ lt_globsym_save_LIBS=$LIBS
+ lt_globsym_save_CFLAGS=$CFLAGS
+ LIBS="conftstm.$ac_objext"
+ CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } && test -s conftest${ac_exeext}; then
+ pipe_works=yes
+ fi
+ LIBS=$lt_globsym_save_LIBS
+ CFLAGS=$lt_globsym_save_CFLAGS
+ else
+ echo "cannot find nm_test_func in $nlist" >&5
+ fi
+ else
+ echo "cannot find nm_test_var in $nlist" >&5
+ fi
+ else
+ echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5
+ fi
+ else
+ echo "$progname: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ fi
+ rm -rf conftest* conftst*
+
+ # Do not use the global_symbol_pipe unless it works.
+ if test "$pipe_works" = yes; then
+ break
+ else
+ lt_cv_sys_global_symbol_pipe=
+ fi
+done
+
+fi
+
+if test -z "$lt_cv_sys_global_symbol_pipe"; then
+ lt_cv_sys_global_symbol_to_cdecl=
+fi
+if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5
+$as_echo "failed" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
+$as_echo "ok" >&6; }
+fi
+
+# Response file support.
+if test "$lt_cv_nm_interface" = "MS dumpbin"; then
+ nm_file_list_spec='@'
+elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then
+ nm_file_list_spec='@'
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5
+$as_echo_n "checking for sysroot... " >&6; }
+
+# Check whether --with-sysroot was given.
+if test "${with_sysroot+set}" = set; then :
+ withval=$with_sysroot;
+else
+ with_sysroot=no
+fi
+
+
+lt_sysroot=
+case ${with_sysroot} in #(
+ yes)
+ if test "$GCC" = yes; then
+ lt_sysroot=`$CC --print-sysroot 2>/dev/null`
+ fi
+ ;; #(
+ /*)
+ lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"`
+ ;; #(
+ no|'')
+ ;; #(
+ *)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5
+$as_echo "${with_sysroot}" >&6; }
+ as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5
+ ;;
+esac
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5
+$as_echo "${lt_sysroot:-no}" >&6; }
+
+
+
+
+
+# Check whether --enable-libtool-lock was given.
+if test "${enable_libtool_lock+set}" = set; then :
+ enableval=$enable_libtool_lock;
+fi
+
+test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
+
+# Some flags need to be propagated to the compiler or linker for good
+# libtool support.
+case $host in
+ia64-*-hpux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *ELF-32*)
+ HPUX_IA64_MODE="32"
+ ;;
+ *ELF-64*)
+ HPUX_IA64_MODE="64"
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+*-*-irix6*)
+ # Find out which ABI we are using.
+ echo '#line '$LINENO' "configure"' > conftest.$ac_ext
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -melf32bsmip"
+ ;;
+ *N32*)
+ LD="${LD-ld} -melf32bmipn32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -melf64bmip"
+ ;;
+ esac
+ else
+ case `/usr/bin/file conftest.$ac_objext` in
+ *32-bit*)
+ LD="${LD-ld} -32"
+ ;;
+ *N32*)
+ LD="${LD-ld} -n32"
+ ;;
+ *64-bit*)
+ LD="${LD-ld} -64"
+ ;;
+ esac
+ fi
+ fi
+ rm -rf conftest*
+ ;;
+
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ case `/usr/bin/file conftest.o` in
+ *32-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_i386_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_i386"
+ ;;
+ ppc64-*linux*|powerpc64-*linux*)
+ LD="${LD-ld} -m elf32ppclinux"
+ ;;
+ s390x-*linux*)
+ LD="${LD-ld} -m elf_s390"
+ ;;
+ sparc64-*linux*)
+ LD="${LD-ld} -m elf32_sparc"
+ ;;
+ esac
+ ;;
+ *64-bit*)
+ case $host in
+ x86_64-*kfreebsd*-gnu)
+ LD="${LD-ld} -m elf_x86_64_fbsd"
+ ;;
+ x86_64-*linux*)
+ LD="${LD-ld} -m elf_x86_64"
+ ;;
+ ppc*-*linux*|powerpc*-*linux*)
+ LD="${LD-ld} -m elf64ppc"
+ ;;
+ s390*-*linux*|s390*-*tpf*)
+ LD="${LD-ld} -m elf64_s390"
+ ;;
+ sparc*-*linux*)
+ LD="${LD-ld} -m elf64_sparc"
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+
+*-*-sco3.2v5*)
+ # On SCO OpenServer 5, we need -belf to get full-featured binaries.
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -belf"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
+$as_echo_n "checking whether the C compiler needs -belf... " >&6; }
+if ${lt_cv_cc_needs_belf+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ lt_cv_cc_needs_belf=yes
+else
+ lt_cv_cc_needs_belf=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
+$as_echo "$lt_cv_cc_needs_belf" >&6; }
+ if test x"$lt_cv_cc_needs_belf" != x"yes"; then
+ # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
+ CFLAGS="$SAVE_CFLAGS"
+ fi
+ ;;
+*-*solaris*)
+ # Find out which ABI we are using.
+ echo 'int i;' > conftest.$ac_ext
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ case `/usr/bin/file conftest.o` in
+ *64-bit*)
+ case $lt_cv_prog_gnu_ld in
+ yes*)
+ case $host in
+ i?86-*-solaris*)
+ LD="${LD-ld} -m elf_x86_64"
+ ;;
+ sparc*-*-solaris*)
+ LD="${LD-ld} -m elf64_sparc"
+ ;;
+ esac
+ # GNU ld 2.21 introduced _sol2 emulations. Use them if available.
+ if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then
+ LD="${LD-ld}_sol2"
+ fi
+ ;;
+ *)
+ if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then
+ LD="${LD-ld} -64"
+ fi
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ rm -rf conftest*
+ ;;
+esac
+
+need_locks="$enable_libtool_lock"
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args.
+set dummy ${ac_tool_prefix}mt; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_MANIFEST_TOOL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$MANIFEST_TOOL"; then
+ ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
+if test -n "$MANIFEST_TOOL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5
+$as_echo "$MANIFEST_TOOL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_MANIFEST_TOOL"; then
+ ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL
+ # Extract the first word of "mt", so it can be a program name with args.
+set dummy mt; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_MANIFEST_TOOL"; then
+ ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_MANIFEST_TOOL="mt"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
+if test -n "$ac_ct_MANIFEST_TOOL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5
+$as_echo "$ac_ct_MANIFEST_TOOL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_MANIFEST_TOOL" = x; then
+ MANIFEST_TOOL=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL
+ fi
+else
+ MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL"
+fi
+
+test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5
+$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
+if ${lt_cv_path_mainfest_tool+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_path_mainfest_tool=no
+ echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5
+ $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
+ cat conftest.err >&5
+ if $GREP 'Manifest Tool' conftest.out > /dev/null; then
+ lt_cv_path_mainfest_tool=yes
+ fi
+ rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
+$as_echo "$lt_cv_path_mainfest_tool" >&6; }
+if test "x$lt_cv_path_mainfest_tool" != xyes; then
+ MANIFEST_TOOL=:
+fi
+
+
+
+
+
+
+ case $host_os in
+ rhapsody* | darwin*)
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
+set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_DSYMUTIL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$DSYMUTIL"; then
+ ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+DSYMUTIL=$ac_cv_prog_DSYMUTIL
+if test -n "$DSYMUTIL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
+$as_echo "$DSYMUTIL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_DSYMUTIL"; then
+ ac_ct_DSYMUTIL=$DSYMUTIL
+ # Extract the first word of "dsymutil", so it can be a program name with args.
+set dummy dsymutil; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_DSYMUTIL"; then
+ ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
+if test -n "$ac_ct_DSYMUTIL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
+$as_echo "$ac_ct_DSYMUTIL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_DSYMUTIL" = x; then
+ DSYMUTIL=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ DSYMUTIL=$ac_ct_DSYMUTIL
+ fi
+else
+ DSYMUTIL="$ac_cv_prog_DSYMUTIL"
+fi
+
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
+set dummy ${ac_tool_prefix}nmedit; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_NMEDIT+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$NMEDIT"; then
+ ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+NMEDIT=$ac_cv_prog_NMEDIT
+if test -n "$NMEDIT"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
+$as_echo "$NMEDIT" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_NMEDIT"; then
+ ac_ct_NMEDIT=$NMEDIT
+ # Extract the first word of "nmedit", so it can be a program name with args.
+set dummy nmedit; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_NMEDIT"; then
+ ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_NMEDIT="nmedit"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
+if test -n "$ac_ct_NMEDIT"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
+$as_echo "$ac_ct_NMEDIT" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_NMEDIT" = x; then
+ NMEDIT=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ NMEDIT=$ac_ct_NMEDIT
+ fi
+else
+ NMEDIT="$ac_cv_prog_NMEDIT"
+fi
+
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args.
+set dummy ${ac_tool_prefix}lipo; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_LIPO+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$LIPO"; then
+ ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+LIPO=$ac_cv_prog_LIPO
+if test -n "$LIPO"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
+$as_echo "$LIPO" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_LIPO"; then
+ ac_ct_LIPO=$LIPO
+ # Extract the first word of "lipo", so it can be a program name with args.
+set dummy lipo; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_LIPO+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_LIPO"; then
+ ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_LIPO="lipo"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
+if test -n "$ac_ct_LIPO"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
+$as_echo "$ac_ct_LIPO" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_LIPO" = x; then
+ LIPO=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ LIPO=$ac_ct_LIPO
+ fi
+else
+ LIPO="$ac_cv_prog_LIPO"
+fi
+
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_OTOOL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$OTOOL"; then
+ ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL=$ac_cv_prog_OTOOL
+if test -n "$OTOOL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
+$as_echo "$OTOOL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL"; then
+ ac_ct_OTOOL=$OTOOL
+ # Extract the first word of "otool", so it can be a program name with args.
+set dummy otool; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_OTOOL+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_OTOOL"; then
+ ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_OTOOL="otool"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
+if test -n "$ac_ct_OTOOL"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
+$as_echo "$ac_ct_OTOOL" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_OTOOL" = x; then
+ OTOOL=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ OTOOL=$ac_ct_OTOOL
+ fi
+else
+ OTOOL="$ac_cv_prog_OTOOL"
+fi
+
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args.
+set dummy ${ac_tool_prefix}otool64; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_OTOOL64+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$OTOOL64"; then
+ ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+OTOOL64=$ac_cv_prog_OTOOL64
+if test -n "$OTOOL64"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
+$as_echo "$OTOOL64" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_OTOOL64"; then
+ ac_ct_OTOOL64=$OTOOL64
+ # Extract the first word of "otool64", so it can be a program name with args.
+set dummy otool64; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_OTOOL64"; then
+ ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_OTOOL64="otool64"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
+if test -n "$ac_ct_OTOOL64"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
+$as_echo "$ac_ct_OTOOL64" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_OTOOL64" = x; then
+ OTOOL64=":"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ OTOOL64=$ac_ct_OTOOL64
+ fi
+else
+ OTOOL64="$ac_cv_prog_OTOOL64"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5
+$as_echo_n "checking for -single_module linker flag... " >&6; }
+if ${lt_cv_apple_cc_single_mod+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_apple_cc_single_mod=no
+ if test -z "${LT_MULTI_MODULE}"; then
+ # By default we will add the -single_module flag. You can override
+ # by either setting the environment variable LT_MULTI_MODULE
+ # non-empty at configure time, or by adding -multi_module to the
+ # link flags.
+ rm -rf libconftest.dylib*
+ echo "int foo(void){return 1;}" > conftest.c
+ echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+-dynamiclib -Wl,-single_module conftest.c" >&5
+ $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \
+ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err
+ _lt_result=$?
+ # If there is a non-empty error log, and "single_module"
+ # appears in it, assume the flag caused a linker warning
+ if test -s conftest.err && $GREP single_module conftest.err; then
+ cat conftest.err >&5
+ # Otherwise, if the output was created with a 0 exit code from
+ # the compiler, it worked.
+ elif test -f libconftest.dylib && test $_lt_result -eq 0; then
+ lt_cv_apple_cc_single_mod=yes
+ else
+ cat conftest.err >&5
+ fi
+ rm -rf libconftest.dylib*
+ rm -f conftest.*
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
+$as_echo "$lt_cv_apple_cc_single_mod" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
+$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
+if ${lt_cv_ld_exported_symbols_list+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_ld_exported_symbols_list=no
+ save_LDFLAGS=$LDFLAGS
+ echo "_main" > conftest.sym
+ LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ lt_cv_ld_exported_symbols_list=yes
+else
+ lt_cv_ld_exported_symbols_list=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
+$as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5
+$as_echo_n "checking for -force_load linker flag... " >&6; }
+if ${lt_cv_ld_force_load+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_ld_force_load=no
+ cat > conftest.c << _LT_EOF
+int forced_loaded() { return 2;}
+_LT_EOF
+ echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5
+ $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5
+ echo "$AR cru libconftest.a conftest.o" >&5
+ $AR cru libconftest.a conftest.o 2>&5
+ echo "$RANLIB libconftest.a" >&5
+ $RANLIB libconftest.a 2>&5
+ cat > conftest.c << _LT_EOF
+int main() { return 0;}
+_LT_EOF
+ echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5
+ $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err
+ _lt_result=$?
+ if test -s conftest.err && $GREP force_load conftest.err; then
+ cat conftest.err >&5
+ elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then
+ lt_cv_ld_force_load=yes
+ else
+ cat conftest.err >&5
+ fi
+ rm -f conftest.err libconftest.a conftest conftest.c
+ rm -rf conftest.dSYM
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
+$as_echo "$lt_cv_ld_force_load" >&6; }
+ case $host_os in
+ rhapsody* | darwin1.[012])
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+ darwin1.*)
+ _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+ darwin*) # darwin 5.x on
+ # if running on 10.5 or later, the deployment target defaults
+ # to the OS version, if on x86, and 10.4, the deployment
+ # target defaults to 10.4. Don't you love it?
+ case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+ 10.0,*86*-darwin8*|10.0,*-darwin[91]*)
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+ 10.[012]*)
+ _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+ 10.*)
+ _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+ esac
+ ;;
+ esac
+ if test "$lt_cv_apple_cc_single_mod" = "yes"; then
+ _lt_dar_single_mod='$single_module'
+ fi
+ if test "$lt_cv_ld_exported_symbols_list" = "yes"; then
+ _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym'
+ else
+ _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}'
+ fi
+ if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then
+ _lt_dsymutil='~$DSYMUTIL $lib || :'
+ else
+ _lt_dsymutil=
+ fi
+ ;;
+ esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_header_stdc=yes
+else
+ ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+ # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "free" >/dev/null 2>&1; then :
+
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+ if test "$cross_compiling" = yes; then :
+ :
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+ (('a' <= (c) && (c) <= 'i') \
+ || ('j' <= (c) && (c) <= 'r') \
+ || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ if (XOR (islower (i), ISLOWER (i))
+ || toupper (i) != TOUPPER (i))
+ return 2;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+ ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+ inttypes.h stdint.h unistd.h
+do :
+ as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in dlfcn.h
+do :
+ ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
+"
+if test "x$ac_cv_header_dlfcn_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_DLFCN_H 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+# Set options
+
+
+
+
+ enable_win32_dll=no
+
+
+ # Check whether --enable-shared was given.
+if test "${enable_shared+set}" = set; then :
+ enableval=$enable_shared; p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_shared=yes ;;
+ no) enable_shared=no ;;
+ *)
+ enable_shared=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_shared=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac
+else
+ enable_shared=yes
+fi
+
+
+
+
+
+
+
+
+
+
+
+# Check whether --with-pic was given.
+if test "${with_pic+set}" = set; then :
+ withval=$with_pic; lt_p=${PACKAGE-default}
+ case $withval in
+ yes|no) pic_mode=$withval ;;
+ *)
+ pic_mode=default
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for lt_pkg in $withval; do
+ IFS="$lt_save_ifs"
+ if test "X$lt_pkg" = "X$lt_p"; then
+ pic_mode=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac
+else
+ pic_mode=default
+fi
+
+
+test -z "$pic_mode" && pic_mode=default
+
+
+
+
+
+
+
+ # Check whether --enable-fast-install was given.
+if test "${enable_fast_install+set}" = set; then :
+ enableval=$enable_fast_install; p=${PACKAGE-default}
+ case $enableval in
+ yes) enable_fast_install=yes ;;
+ no) enable_fast_install=no ;;
+ *)
+ enable_fast_install=no
+ # Look at the argument we got. We use all the common list separators.
+ lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+ for pkg in $enableval; do
+ IFS="$lt_save_ifs"
+ if test "X$pkg" = "X$p"; then
+ enable_fast_install=yes
+ fi
+ done
+ IFS="$lt_save_ifs"
+ ;;
+ esac
+else
+ enable_fast_install=yes
+fi
+
+
+
+
+
+
+
+
+
+
+
+# This can be used to rebuild libtool when needed
+LIBTOOL_DEPS="$ltmain"
+
+# Always use our own libtool.
+LIBTOOL='$(SHELL) $(top_builddir)/libtool'
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+test -z "$LN_S" && LN_S="ln -s"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
+$as_echo_n "checking for objdir... " >&6; }
+if ${lt_cv_objdir+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ rm -f .libs 2>/dev/null
+mkdir .libs 2>/dev/null
+if test -d .libs; then
+ lt_cv_objdir=.libs
+else
+ # MS-DOS does not allow filenames that begin with a dot.
+ lt_cv_objdir=_libs
+fi
+rmdir .libs 2>/dev/null
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
+$as_echo "$lt_cv_objdir" >&6; }
+objdir=$lt_cv_objdir
+
+
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define LT_OBJDIR "$lt_cv_objdir/"
+_ACEOF
+
+
+
+
+case $host_os in
+aix3*)
+ # AIX sometimes has problems with the GCC collect2 program. For some
+ # reason, if we set the COLLECT_NAMES environment variable, the problems
+ # vanish in a puff of smoke.
+ if test "X${COLLECT_NAMES+set}" != Xset; then
+ COLLECT_NAMES=
+ export COLLECT_NAMES
+ fi
+ ;;
+esac
+
+# Global variables:
+ofile=libtool
+can_build_shared=yes
+
+# All known linkers require a `.a' archive for static linking (except MSVC,
+# which needs '.lib').
+libext=a
+
+with_gnu_ld="$lt_cv_prog_gnu_ld"
+
+old_CC="$CC"
+old_CFLAGS="$CFLAGS"
+
+# Set sane defaults for various variables
+test -z "$CC" && CC=cc
+test -z "$LTCC" && LTCC=$CC
+test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
+test -z "$LD" && LD=ld
+test -z "$ac_objext" && ac_objext=o
+
+for cc_temp in $compiler""; do
+ case $cc_temp in
+ compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+ distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+ \-*) ;;
+ *) break;;
+ esac
+done
+cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+
+
+# Only perform the check for file, if the check method requires it
+test -z "$MAGIC_CMD" && MAGIC_CMD=file
+case $deplibs_check_method in
+file_magic*)
+ if test "$file_magic_cmd" = '$MAGIC_CMD'; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5
+$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; }
+if ${lt_cv_path_MAGIC_CMD+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $MAGIC_CMD in
+[\\/*] | ?:[\\/]*)
+ lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+ ;;
+*)
+ lt_save_MAGIC_CMD="$MAGIC_CMD"
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+ for ac_dir in $ac_dummy; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/${ac_tool_prefix}file; then
+ lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file"
+ if test -n "$file_magic_test_file"; then
+ case $deplibs_check_method in
+ "file_magic "*)
+ file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+ MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+ if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ :
+ else
+ cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such. This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem. Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+ fi ;;
+ esac
+ fi
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+ MAGIC_CMD="$lt_save_MAGIC_CMD"
+ ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+$as_echo "$MAGIC_CMD" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
+
+
+if test -z "$lt_cv_path_MAGIC_CMD"; then
+ if test -n "$ac_tool_prefix"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5
+$as_echo_n "checking for file... " >&6; }
+if ${lt_cv_path_MAGIC_CMD+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ case $MAGIC_CMD in
+[\\/*] | ?:[\\/]*)
+ lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
+ ;;
+*)
+ lt_save_MAGIC_CMD="$MAGIC_CMD"
+ lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
+ ac_dummy="/usr/bin$PATH_SEPARATOR$PATH"
+ for ac_dir in $ac_dummy; do
+ IFS="$lt_save_ifs"
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/file; then
+ lt_cv_path_MAGIC_CMD="$ac_dir/file"
+ if test -n "$file_magic_test_file"; then
+ case $deplibs_check_method in
+ "file_magic "*)
+ file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"`
+ MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+ if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ :
+ else
+ cat <<_LT_EOF 1>&2
+
+*** Warning: the command libtool uses to detect shared libraries,
+*** $file_magic_cmd, produces output that libtool cannot recognize.
+*** The result is that libtool may fail to recognize shared libraries
+*** as such. This will affect the creation of libtool libraries that
+*** depend on shared libraries, but programs linked with such libtool
+*** libraries will work regardless of this problem. Nevertheless, you
+*** may want to report the problem to your system manager and/or to
+*** bug-libtool@gnu.org
+
+_LT_EOF
+ fi ;;
+ esac
+ fi
+ break
+ fi
+ done
+ IFS="$lt_save_ifs"
+ MAGIC_CMD="$lt_save_MAGIC_CMD"
+ ;;
+esac
+fi
+
+MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
+if test -n "$MAGIC_CMD"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
+$as_echo "$MAGIC_CMD" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ else
+ MAGIC_CMD=:
+ fi
+fi
+
+ fi
+ ;;
+esac
+
+# Use C for the default configuration in the libtool script
+
+lt_save_CC="$CC"
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+# Source file extension for C test sources.
+ac_ext=c
+
+# Object file extension for compiled C test sources.
+objext=o
+objext=$objext
+
+# Code to be used in simple compile tests
+lt_simple_compile_test_code="int some_variable = 0;"
+
+# Code to be used in simple link tests
+lt_simple_link_test_code='int main(){return(0);}'
+
+
+
+
+
+
+
+# If no C compiler was specified, use CC.
+LTCC=${LTCC-"$CC"}
+
+# If no C compiler flags were specified, use CFLAGS.
+LTCFLAGS=${LTCFLAGS-"$CFLAGS"}
+
+# Allow CC to be a program name with arguments.
+compiler=$CC
+
+# Save the default compiler, since it gets overwritten when the other
+# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP.
+compiler_DEFAULT=$CC
+
+# save warnings/boilerplate of simple test code
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_compile_test_code" >conftest.$ac_ext
+eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_compiler_boilerplate=`cat conftest.err`
+$RM conftest*
+
+ac_outfile=conftest.$ac_objext
+echo "$lt_simple_link_test_code" >conftest.$ac_ext
+eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err
+_lt_linker_boilerplate=`cat conftest.err`
+$RM -r conftest*
+
+
+if test -n "$compiler"; then
+
+lt_prog_compiler_no_builtin_flag=
+
+if test "$GCC" = yes; then
+ case $cc_basename in
+ nvcc*)
+ lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;;
+ *)
+ lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;;
+ esac
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
+$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
+if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_prog_compiler_rtti_exceptions=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="-fno-rtti -fno-exceptions"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_rtti_exceptions=yes
+ fi
+ fi
+ $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
+$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
+
+if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then
+ lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions"
+else
+ :
+fi
+
+fi
+
+
+
+
+
+
+ lt_prog_compiler_wl=
+lt_prog_compiler_pic=
+lt_prog_compiler_static=
+
+
+ if test "$GCC" = yes; then
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_static='-static'
+
+ case $host_os in
+ aix*)
+ # All AIX code is PIC.
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static='-Bstatic'
+ fi
+ ;;
+
+ amigaos*)
+ case $host_cpu in
+ powerpc)
+ # see comment about AmigaOS4 .so support
+ lt_prog_compiler_pic='-fPIC'
+ ;;
+ m68k)
+ # FIXME: we need at least 68020 code to build shared libraries, but
+ # adding the `-m68020' flag to GCC prevents building anything better,
+ # like `-m68040'.
+ lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
+ ;;
+ esac
+ ;;
+
+ beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
+ # PIC is the default for these OSes.
+ ;;
+
+ mingw* | cygwin* | pw32* | os2* | cegcc*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ # Although the cygwin gcc ignores -fPIC, still need this for old-style
+ # (--disable-auto-import) libraries
+ lt_prog_compiler_pic='-DDLL_EXPORT'
+ ;;
+
+ darwin* | rhapsody*)
+ # PIC is the default on this platform
+ # Common symbols not allowed in MH_DYLIB files
+ lt_prog_compiler_pic='-fno-common'
+ ;;
+
+ haiku*)
+ # PIC is the default for Haiku.
+ # The "-static" flag exists, but is broken.
+ lt_prog_compiler_static=
+ ;;
+
+ hpux*)
+ # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+ # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag
+ # sets the default TLS model and affects inlining.
+ case $host_cpu in
+ hppa*64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic='-fPIC'
+ ;;
+ esac
+ ;;
+
+ interix[3-9]*)
+ # Interix 3.x gcc -fpic/-fPIC options generate broken code.
+ # Instead, we relocate shared libraries at runtime.
+ ;;
+
+ msdosdjgpp*)
+ # Just because we use GCC doesn't mean we suddenly get shared libraries
+ # on systems that don't support them.
+ lt_prog_compiler_can_build_shared=no
+ enable_shared=no
+ ;;
+
+ *nto* | *qnx*)
+ # QNX uses GNU C++, but need to define -shared option too, otherwise
+ # it will coredump.
+ lt_prog_compiler_pic='-fPIC -shared'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ lt_prog_compiler_pic=-Kconform_pic
+ fi
+ ;;
+
+ *)
+ lt_prog_compiler_pic='-fPIC'
+ ;;
+ esac
+
+ case $cc_basename in
+ nvcc*) # Cuda Compiler Driver 2.2
+ lt_prog_compiler_wl='-Xlinker '
+ if test -n "$lt_prog_compiler_pic"; then
+ lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic"
+ fi
+ ;;
+ esac
+ else
+ # PORTME Check for flag to pass linker flags through the system compiler.
+ case $host_os in
+ aix*)
+ lt_prog_compiler_wl='-Wl,'
+ if test "$host_cpu" = ia64; then
+ # AIX 5 now supports IA64 processor
+ lt_prog_compiler_static='-Bstatic'
+ else
+ lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp'
+ fi
+ ;;
+
+ mingw* | cygwin* | pw32* | os2* | cegcc*)
+ # This hack is so that the source file can tell whether it is being
+ # built for inclusion in a dll (and should export symbols for example).
+ lt_prog_compiler_pic='-DDLL_EXPORT'
+ ;;
+
+ hpux9* | hpux10* | hpux11*)
+ lt_prog_compiler_wl='-Wl,'
+ # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
+ # not for PA HP-UX.
+ case $host_cpu in
+ hppa*64*|ia64*)
+ # +Z the default
+ ;;
+ *)
+ lt_prog_compiler_pic='+Z'
+ ;;
+ esac
+ # Is there a better lt_prog_compiler_static that works with the bundled CC?
+ lt_prog_compiler_static='${wl}-a ${wl}archive'
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ lt_prog_compiler_wl='-Wl,'
+ # PIC (with -KPIC) is the default.
+ lt_prog_compiler_static='-non_shared'
+ ;;
+
+ linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ case $cc_basename in
+ # old Intel for x86_64 which still supported -KPIC.
+ ecc*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-static'
+ ;;
+ # icc used to be incompatible with GCC.
+ # ICC 10 doesn't accept -KPIC any more.
+ icc* | ifort*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-fPIC'
+ lt_prog_compiler_static='-static'
+ ;;
+ # Lahey Fortran 8.1.
+ lf95*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='--shared'
+ lt_prog_compiler_static='--static'
+ ;;
+ nagfor*)
+ # NAG Fortran compiler
+ lt_prog_compiler_wl='-Wl,-Wl,,'
+ lt_prog_compiler_pic='-PIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+ pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
+ # Portland Group compilers (*not* the Pentium gcc compiler,
+ # which looks to be a dead project)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-fpic'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+ ccc*)
+ lt_prog_compiler_wl='-Wl,'
+ # All Alpha code is PIC.
+ lt_prog_compiler_static='-non_shared'
+ ;;
+ xl* | bgxl* | bgf* | mpixl*)
+ # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-qpic'
+ lt_prog_compiler_static='-qstaticlink'
+ ;;
+ *)
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*)
+ # Sun Fortran 8.3 passes all unrecognized flags to the linker
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ lt_prog_compiler_wl=''
+ ;;
+ *Sun\ F* | *Sun*Fortran*)
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ lt_prog_compiler_wl='-Qoption ld '
+ ;;
+ *Sun\ C*)
+ # Sun C 5.9
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ lt_prog_compiler_wl='-Wl,'
+ ;;
+ *Intel*\ [CF]*Compiler*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-fPIC'
+ lt_prog_compiler_static='-static'
+ ;;
+ *Portland\ Group*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-fpic'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+
+ newsos6)
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ *nto* | *qnx*)
+ # QNX uses GNU C++, but need to define -shared option too, otherwise
+ # it will coredump.
+ lt_prog_compiler_pic='-fPIC -shared'
+ ;;
+
+ osf3* | osf4* | osf5*)
+ lt_prog_compiler_wl='-Wl,'
+ # All OSF/1 code is PIC.
+ lt_prog_compiler_static='-non_shared'
+ ;;
+
+ rdos*)
+ lt_prog_compiler_static='-non_shared'
+ ;;
+
+ solaris*)
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ case $cc_basename in
+ f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
+ lt_prog_compiler_wl='-Qoption ld ';;
+ *)
+ lt_prog_compiler_wl='-Wl,';;
+ esac
+ ;;
+
+ sunos4*)
+ lt_prog_compiler_wl='-Qoption ld '
+ lt_prog_compiler_pic='-PIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ sysv4 | sysv4.2uw2* | sysv4.3*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec ;then
+ lt_prog_compiler_pic='-Kconform_pic'
+ lt_prog_compiler_static='-Bstatic'
+ fi
+ ;;
+
+ sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_pic='-KPIC'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ unicos*)
+ lt_prog_compiler_wl='-Wl,'
+ lt_prog_compiler_can_build_shared=no
+ ;;
+
+ uts4*)
+ lt_prog_compiler_pic='-pic'
+ lt_prog_compiler_static='-Bstatic'
+ ;;
+
+ *)
+ lt_prog_compiler_can_build_shared=no
+ ;;
+ esac
+ fi
+
+case $host_os in
+ # For platforms which do not support PIC, -DPIC is meaningless:
+ *djgpp*)
+ lt_prog_compiler_pic=
+ ;;
+ *)
+ lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
+ ;;
+esac
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
+$as_echo_n "checking for $compiler option to produce PIC... " >&6; }
+if ${lt_cv_prog_compiler_pic+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_prog_compiler_pic=$lt_prog_compiler_pic
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
+$as_echo "$lt_cv_prog_compiler_pic" >&6; }
+lt_prog_compiler_pic=$lt_cv_prog_compiler_pic
+
+#
+# Check to make sure the PIC flag actually works.
+#
+if test -n "$lt_prog_compiler_pic"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
+$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
+if ${lt_cv_prog_compiler_pic_works+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_prog_compiler_pic_works=no
+ ac_outfile=conftest.$ac_objext
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+ lt_compiler_flag="$lt_prog_compiler_pic -DPIC"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ # The option is referenced via a variable to avoid confusing sed.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>conftest.err)
+ ac_status=$?
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s "$ac_outfile"; then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings other than the usual output.
+ $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_pic_works=yes
+ fi
+ fi
+ $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
+$as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_pic_works" = xyes; then
+ case $lt_prog_compiler_pic in
+ "" | " "*) ;;
+ *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;;
+ esac
+else
+ lt_prog_compiler_pic=
+ lt_prog_compiler_can_build_shared=no
+fi
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+#
+# Check to make sure the static flag actually works.
+#
+wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
+if ${lt_cv_prog_compiler_static_works+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_prog_compiler_static_works=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&5
+ $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_static_works=yes
+ fi
+ else
+ lt_cv_prog_compiler_static_works=yes
+ fi
+ fi
+ $RM -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
+$as_echo "$lt_cv_prog_compiler_static_works" >&6; }
+
+if test x"$lt_cv_prog_compiler_static_works" = xyes; then
+ :
+else
+ lt_prog_compiler_static=
+fi
+
+
+
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if ${lt_cv_prog_compiler_c_o+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_prog_compiler_c_o=no
+ $RM -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_c_o=yes
+ fi
+ fi
+ chmod u+w . 2>&5
+ $RM conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+ $RM out/* && rmdir out
+ cd ..
+ $RM -r conftest
+ $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
+$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
+if ${lt_cv_prog_compiler_c_o+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_prog_compiler_c_o=no
+ $RM -r conftest 2>/dev/null
+ mkdir conftest
+ cd conftest
+ mkdir out
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ lt_compiler_flag="-o out/conftest2.$ac_objext"
+ # Insert the option either (1) after the last *FLAGS variable, or
+ # (2) before a word containing "conftest.", or (3) at the end.
+ # Note that $ac_compile itself does not contain backslashes and begins
+ # with a dollar sign (not a hyphen), so the echo should work correctly.
+ lt_compile=`echo "$ac_compile" | $SED \
+ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
+ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
+ -e 's:$: $lt_compiler_flag:'`
+ (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5)
+ (eval "$lt_compile" 2>out/conftest.err)
+ ac_status=$?
+ cat out/conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ if (exit $ac_status) && test -s out/conftest2.$ac_objext
+ then
+ # The compiler can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp
+ $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
+ if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler_c_o=yes
+ fi
+ fi
+ chmod u+w . 2>&5
+ $RM conftest*
+ # SGI C++ compiler will create directory out/ii_files/ for
+ # template instantiation
+ test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files
+ $RM out/* && rmdir out
+ cd ..
+ $RM -r conftest
+ $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
+$as_echo "$lt_cv_prog_compiler_c_o" >&6; }
+
+
+
+
+hard_links="nottested"
+if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then
+ # do not overwrite the value of need_locks provided by the user
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
+$as_echo_n "checking if we can lock with hard links... " >&6; }
+ hard_links=yes
+ $RM conftest*
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ touch conftest.a
+ ln conftest.a conftest.b 2>&5 || hard_links=no
+ ln conftest.a conftest.b 2>/dev/null && hard_links=no
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
+$as_echo "$hard_links" >&6; }
+ if test "$hard_links" = no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
+ need_locks=warn
+ fi
+else
+ need_locks=no
+fi
+
+
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
+
+ runpath_var=
+ allow_undefined_flag=
+ always_export_symbols=no
+ archive_cmds=
+ archive_expsym_cmds=
+ compiler_needs_object=no
+ enable_shared_with_static_runtimes=no
+ export_dynamic_flag_spec=
+ export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
+ hardcode_automatic=no
+ hardcode_direct=no
+ hardcode_direct_absolute=no
+ hardcode_libdir_flag_spec=
+ hardcode_libdir_separator=
+ hardcode_minus_L=no
+ hardcode_shlibpath_var=unsupported
+ inherit_rpath=no
+ link_all_deplibs=unknown
+ module_cmds=
+ module_expsym_cmds=
+ old_archive_from_new_cmds=
+ old_archive_from_expsyms_cmds=
+ thread_safe_flag_spec=
+ whole_archive_flag_spec=
+ # include_expsyms should be a list of space-separated symbols to be *always*
+ # included in the symbol list
+ include_expsyms=
+ # exclude_expsyms can be an extended regexp of symbols to exclude
+ # it will be wrapped by ` (' and `)$', so one must not match beginning or
+ # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
+ # as well as any symbol that contains `d'.
+ exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
+ # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
+ # platforms (ab)use it in PIC code, but their linkers get confused if
+ # the symbol is explicitly referenced. Since portable code cannot
+ # rely on this symbol name, it's probably fine to never include it in
+ # preloaded symbol tables.
+ # Exclude shared library initialization/finalization symbols.
+ extract_expsyms_cmds=
+
+ case $host_os in
+ cygwin* | mingw* | pw32* | cegcc*)
+ # FIXME: the MSVC++ port hasn't been tested in a loooong time
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ if test "$GCC" != yes; then
+ with_gnu_ld=no
+ fi
+ ;;
+ interix*)
+ # we just hope/assume this is gcc and not c89 (= MSVC++)
+ with_gnu_ld=yes
+ ;;
+ openbsd*)
+ with_gnu_ld=no
+ ;;
+ esac
+
+ ld_shlibs=yes
+
+ # On some targets, GNU ld is compatible enough with the native linker
+ # that we're better off using the native interface for both.
+ lt_use_gnu_ld_interface=no
+ if test "$with_gnu_ld" = yes; then
+ case $host_os in
+ aix*)
+ # The AIX port of GNU ld has always aspired to compatibility
+ # with the native linker. However, as the warning in the GNU ld
+ # block says, versions before 2.19.5* couldn't really create working
+ # shared libraries, regardless of the interface used.
+ case `$LD -v 2>&1` in
+ *\ \(GNU\ Binutils\)\ 2.19.5*) ;;
+ *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;;
+ *\ \(GNU\ Binutils\)\ [3-9]*) ;;
+ *)
+ lt_use_gnu_ld_interface=yes
+ ;;
+ esac
+ ;;
+ *)
+ lt_use_gnu_ld_interface=yes
+ ;;
+ esac
+ fi
+
+ if test "$lt_use_gnu_ld_interface" = yes; then
+ # If archive_cmds runs LD, not CC, wlarc should be empty
+ wlarc='${wl}'
+
+ # Set some defaults for GNU ld with shared library support. These
+ # are reset later if shared libraries are not supported. Putting them
+ # here allows them to be overridden if necessary.
+ runpath_var=LD_RUN_PATH
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ export_dynamic_flag_spec='${wl}--export-dynamic'
+ # ancient GNU ld didn't support --whole-archive et. al.
+ if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then
+ whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
+ else
+ whole_archive_flag_spec=
+ fi
+ supports_anon_versioning=no
+ case `$LD -v 2>&1` in
+ *GNU\ gold*) supports_anon_versioning=yes ;;
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11
+ *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ...
+ *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ...
+ *\ 2.11.*) ;; # other 2.11 versions
+ *) supports_anon_versioning=yes ;;
+ esac
+
+ # See if GNU ld supports shared libraries.
+ case $host_os in
+ aix[3-9]*)
+ # On AIX/PPC, the GNU linker is very broken
+ if test "$host_cpu" != ia64; then
+ ld_shlibs=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: the GNU linker, at least up to release 2.19, is reported
+*** to be unable to reliably create shared libraries on AIX.
+*** Therefore, libtool is disabling shared libraries support. If you
+*** really care for shared libraries, you may want to install binutils
+*** 2.20 or above, or modify your PATH so that a non-GNU linker is found.
+*** You will then need to restart the configuration process.
+
+_LT_EOF
+ fi
+ ;;
+
+ amigaos*)
+ case $host_cpu in
+ powerpc)
+ # see comment about AmigaOS4 .so support
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds=''
+ ;;
+ m68k)
+ archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_minus_L=yes
+ ;;
+ esac
+ ;;
+
+ beos*)
+ if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ allow_undefined_flag=unsupported
+ # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
+ # support --undefined. This deserves some investigation. FIXME
+ archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ cygwin* | mingw* | pw32* | cegcc*)
+ # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless,
+ # as there is no search path for DLLs.
+ hardcode_libdir_flag_spec='-L$libdir'
+ export_dynamic_flag_spec='${wl}--export-all-symbols'
+ allow_undefined_flag=unsupported
+ always_export_symbols=no
+ enable_shared_with_static_runtimes=yes
+ export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols'
+ exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'
+
+ if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ # If the export-symbols file already is a .def file (1st line
+ # is EXPORTS), use it as is; otherwise, prepend...
+ archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ cp $export_symbols $output_objdir/$soname.def;
+ else
+ echo EXPORTS > $output_objdir/$soname.def;
+ cat $export_symbols >> $output_objdir/$soname.def;
+ fi~
+ $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ haiku*)
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ link_all_deplibs=yes
+ ;;
+
+ interix[3-9]*)
+ hardcode_direct=no
+ hardcode_shlibpath_var=no
+ hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec='${wl}-E'
+ # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc.
+ # Instead, shared libraries are loaded at an image base (0x10000000 by
+ # default) and relocated if they conflict, which is a slow very memory
+ # consuming and fragmenting process. To avoid this, we pick a random,
+ # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link
+ # time. Moving up from 0x10000000 also allows more sbrk(2) space.
+ archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
+ ;;
+
+ gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+ tmp_diet=no
+ if test "$host_os" = linux-dietlibc; then
+ case $cc_basename in
+ diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn)
+ esac
+ fi
+ if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \
+ && test "$tmp_diet" = no
+ then
+ tmp_addflag=' $pic_flag'
+ tmp_sharedflag='-shared'
+ case $cc_basename,$host_cpu in
+ pgcc*) # Portland Group C compiler
+ whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag'
+ ;;
+ pgf77* | pgf90* | pgf95* | pgfortran*)
+ # Portland Group f77 and f90 compilers
+ whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ tmp_addflag=' $pic_flag -Mnomain' ;;
+ ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64
+ tmp_addflag=' -i_dynamic' ;;
+ efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64
+ tmp_addflag=' -i_dynamic -nofor_main' ;;
+ ifc* | ifort*) # Intel Fortran compiler
+ tmp_addflag=' -nofor_main' ;;
+ lf95*) # Lahey Fortran 8.1
+ whole_archive_flag_spec=
+ tmp_sharedflag='--shared' ;;
+ xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below)
+ tmp_sharedflag='-qmkshrobj'
+ tmp_addflag= ;;
+ nvcc*) # Cuda Compiler Driver 2.2
+ whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ compiler_needs_object=yes
+ ;;
+ esac
+ case `$CC -V 2>&1 | sed 5q` in
+ *Sun\ C*) # Sun C 5.9
+ whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive'
+ compiler_needs_object=yes
+ tmp_sharedflag='-G' ;;
+ *Sun\ F*) # Sun Fortran 8.3
+ tmp_sharedflag='-G' ;;
+ esac
+ archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+
+ if test "x$supports_anon_versioning" = xyes; then
+ archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ echo "local: *; };" >> $output_objdir/$libname.ver~
+ $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
+ fi
+
+ case $cc_basename in
+ xlf* | bgf* | bgxlf* | mpixlf*)
+ # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
+ whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib'
+ if test "x$supports_anon_versioning" = xyes; then
+ archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
+ cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
+ echo "local: *; };" >> $output_objdir/$libname.ver~
+ $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib'
+ fi
+ ;;
+ esac
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ netbsd*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+ wlarc=
+ else
+ archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ fi
+ ;;
+
+ solaris*)
+ if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then
+ ld_shlibs=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: The releases 2.8.* of the GNU linker cannot reliably
+*** create shared libraries on Solaris systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.9.1 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*)
+ case `$LD -v 2>&1` in
+ *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*)
+ ld_shlibs=no
+ cat <<_LT_EOF 1>&2
+
+*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not
+*** reliably create shared libraries on SCO systems. Therefore, libtool
+*** is disabling shared libraries support. We urge you to upgrade GNU
+*** binutils to release 2.16.91.0.3 or newer. Another option is to modify
+*** your PATH or compiler configuration so that the native linker is
+*** used, and then restart.
+
+_LT_EOF
+ ;;
+ *)
+ # For security reasons, it is highly recommended that you always
+ # use absolute paths for naming shared libraries, and exclude the
+ # DT_RUNPATH tag from executables and libraries. But doing so
+ # requires that you compile everything twice, which is a pain.
+ if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+ esac
+ ;;
+
+ sunos4*)
+ archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ wlarc=
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ *)
+ if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then
+ archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
+ else
+ ld_shlibs=no
+ fi
+ ;;
+ esac
+
+ if test "$ld_shlibs" = no; then
+ runpath_var=
+ hardcode_libdir_flag_spec=
+ export_dynamic_flag_spec=
+ whole_archive_flag_spec=
+ fi
+ else
+ # PORTME fill in a description of your system's linker (not GNU ld)
+ case $host_os in
+ aix3*)
+ allow_undefined_flag=unsupported
+ always_export_symbols=yes
+ archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
+ # Note: this linker hardcodes the directories in LIBPATH if there
+ # are no directories specified by -L.
+ hardcode_minus_L=yes
+ if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then
+ # Neither direct hardcoding nor static linking is supported with a
+ # broken collect2.
+ hardcode_direct=unsupported
+ fi
+ ;;
+
+ aix[4-9]*)
+ if test "$host_cpu" = ia64; then
+ # On IA64, the linker does run time linking by default, so we don't
+ # have to do anything special.
+ aix_use_runtimelinking=no
+ exp_sym_flag='-Bexport'
+ no_entry_flag=""
+ else
+ # If we're using GNU nm, then we don't want the "-C" option.
+ # -C means demangle to AIX nm, but means don't demangle with GNU nm
+ # Also, AIX nm treats weak defined symbols like other global
+ # defined symbols, whereas GNU nm marks them as "W".
+ if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
+ export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+ else
+ export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+ fi
+ aix_use_runtimelinking=no
+
+ # Test if we are trying to use run time linking or normal
+ # AIX style linking. If -brtl is somewhere in LDFLAGS, we
+ # need to do runtime linking.
+ case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
+ for ld_flag in $LDFLAGS; do
+ if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
+ aix_use_runtimelinking=yes
+ break
+ fi
+ done
+ ;;
+ esac
+
+ exp_sym_flag='-bexport'
+ no_entry_flag='-bnoentry'
+ fi
+
+ # When large executables or shared objects are built, AIX ld can
+ # have problems creating the table of contents. If linking a library
+ # or program results in "error TOC overflow" add -mminimal-toc to
+ # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not
+ # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
+
+ archive_cmds=''
+ hardcode_direct=yes
+ hardcode_direct_absolute=yes
+ hardcode_libdir_separator=':'
+ link_all_deplibs=yes
+ file_list_spec='${wl}-f,'
+
+ if test "$GCC" = yes; then
+ case $host_os in aix4.[012]|aix4.[012].*)
+ # We only want to do this on AIX 4.2 and lower, the check
+ # below for broken collect2 doesn't work under 4.3+
+ collect2name=`${CC} -print-prog-name=collect2`
+ if test -f "$collect2name" &&
+ strings "$collect2name" | $GREP resolve_lib_name >/dev/null
+ then
+ # We have reworked collect2
+ :
+ else
+ # We have old collect2
+ hardcode_direct=unsupported
+ # It fails to find uninstalled libraries when the uninstalled
+ # path is not listed in the libpath. Setting hardcode_minus_L
+ # to unsupported forces relinking
+ hardcode_minus_L=yes
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_libdir_separator=
+ fi
+ ;;
+ esac
+ shared_flag='-shared'
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag="$shared_flag "'${wl}-G'
+ fi
+ else
+ # not using gcc
+ if test "$host_cpu" = ia64; then
+ # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
+ # chokes on -Wl,-G. The following line is correct:
+ shared_flag='-G'
+ else
+ if test "$aix_use_runtimelinking" = yes; then
+ shared_flag='${wl}-G'
+ else
+ shared_flag='${wl}-bM:SRE'
+ fi
+ fi
+ fi
+
+ export_dynamic_flag_spec='${wl}-bexpall'
+ # It seems that -bexpall does not export symbols beginning with
+ # underscore (_), so it is better to generate a list of symbols to export.
+ always_export_symbols=yes
+ if test "$aix_use_runtimelinking" = yes; then
+ # Warning - without using the other runtime loading flags (-brtl),
+ # -berok will link without error, but may produce a broken library.
+ allow_undefined_flag='-berok'
+ # Determine the default libpath from the value encoded in an
+ # empty executable.
+ if test "${lt_cv_aix_libpath+set}" = set; then
+ aix_libpath=$lt_cv_aix_libpath
+else
+ if ${lt_cv_aix_libpath_+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+ lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\([^ ]*\) *$/\1/
+ p
+ }
+ }'
+ lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+ # Check for a 64-bit object if we didn't find anything.
+ if test -z "$lt_cv_aix_libpath_"; then
+ lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+ fi
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test -z "$lt_cv_aix_libpath_"; then
+ lt_cv_aix_libpath_="/usr/lib:/lib"
+ fi
+
+fi
+
+ aix_libpath=$lt_cv_aix_libpath_
+fi
+
+ hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+ archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
+ else
+ if test "$host_cpu" = ia64; then
+ hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
+ allow_undefined_flag="-z nodefs"
+ archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols"
+ else
+ # Determine the default libpath from the value encoded in an
+ # empty executable.
+ if test "${lt_cv_aix_libpath+set}" = set; then
+ aix_libpath=$lt_cv_aix_libpath
+else
+ if ${lt_cv_aix_libpath_+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+ lt_aix_libpath_sed='
+ /Import File Strings/,/^$/ {
+ /^0/ {
+ s/^0 *\([^ ]*\) *$/\1/
+ p
+ }
+ }'
+ lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+ # Check for a 64-bit object if we didn't find anything.
+ if test -z "$lt_cv_aix_libpath_"; then
+ lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
+ fi
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test -z "$lt_cv_aix_libpath_"; then
+ lt_cv_aix_libpath_="/usr/lib:/lib"
+ fi
+
+fi
+
+ aix_libpath=$lt_cv_aix_libpath_
+fi
+
+ hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
+ # Warning - without using the other run time loading flags,
+ # -berok will link without error, but may produce a broken library.
+ no_undefined_flag=' ${wl}-bernotok'
+ allow_undefined_flag=' ${wl}-berok'
+ if test "$with_gnu_ld" = yes; then
+ # We only use this code for GNU lds that support --whole-archive.
+ whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
+ else
+ # Exported symbols can be pulled into shared objects from archives
+ whole_archive_flag_spec='$convenience'
+ fi
+ archive_cmds_need_lc=yes
+ # This is similar to how AIX traditionally builds its shared libraries.
+ archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+ fi
+ fi
+ ;;
+
+ amigaos*)
+ case $host_cpu in
+ powerpc)
+ # see comment about AmigaOS4 .so support
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
+ archive_expsym_cmds=''
+ ;;
+ m68k)
+ archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_minus_L=yes
+ ;;
+ esac
+ ;;
+
+ bsdi[45]*)
+ export_dynamic_flag_spec=-rdynamic
+ ;;
+
+ cygwin* | mingw* | pw32* | cegcc*)
+ # When not using gcc, we currently assume that we are using
+ # Microsoft Visual C++.
+ # hardcode_libdir_flag_spec is actually meaningless, as there is
+ # no search path for DLLs.
+ case $cc_basename in
+ cl*)
+ # Native MSVC
+ hardcode_libdir_flag_spec=' '
+ allow_undefined_flag=unsupported
+ always_export_symbols=yes
+ file_list_spec='@'
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames='
+ archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
+ sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp;
+ else
+ sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp;
+ fi~
+ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~
+ linknames='
+ # The linker will not automatically build a static lib if we build a DLL.
+ # _LT_TAGVAR(old_archive_from_new_cmds, )='true'
+ enable_shared_with_static_runtimes=yes
+ exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*'
+ export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols'
+ # Don't use ranlib
+ old_postinstall_cmds='chmod 644 $oldlib'
+ postlink_cmds='lt_outputfile="@OUTPUT@"~
+ lt_tool_outputfile="@TOOL_OUTPUT@"~
+ case $lt_outputfile in
+ *.exe|*.EXE) ;;
+ *)
+ lt_outputfile="$lt_outputfile.exe"
+ lt_tool_outputfile="$lt_tool_outputfile.exe"
+ ;;
+ esac~
+ if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then
+ $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1;
+ $RM "$lt_outputfile.manifest";
+ fi'
+ ;;
+ *)
+ # Assume MSVC wrapper
+ hardcode_libdir_flag_spec=' '
+ allow_undefined_flag=unsupported
+ # Tell ltmain to make .lib files, not .a files.
+ libext=lib
+ # Tell ltmain to make .dll files, not .so files.
+ shrext_cmds=".dll"
+ # FIXME: Setting linknames here is a bad hack.
+ archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames='
+ # The linker will automatically build a .lib file if we build a DLL.
+ old_archive_from_new_cmds='true'
+ # FIXME: Should let the user specify the lib program.
+ old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs'
+ enable_shared_with_static_runtimes=yes
+ ;;
+ esac
+ ;;
+
+ darwin* | rhapsody*)
+
+
+ archive_cmds_need_lc=no
+ hardcode_direct=no
+ hardcode_automatic=yes
+ hardcode_shlibpath_var=unsupported
+ if test "$lt_cv_ld_force_load" = "yes"; then
+ whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`'
+
+ else
+ whole_archive_flag_spec=''
+ fi
+ link_all_deplibs=yes
+ allow_undefined_flag="$_lt_dar_allow_undefined"
+ case $cc_basename in
+ ifort*) _lt_dar_can_shared=yes ;;
+ *) _lt_dar_can_shared=$GCC ;;
+ esac
+ if test "$_lt_dar_can_shared" = "yes"; then
+ output_verbose_link_cmd=func_echo_all
+ archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
+ archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
+
+ else
+ ld_shlibs=no
+ fi
+
+ ;;
+
+ dgux*)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_shlibpath_var=no
+ ;;
+
+ # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
+ # support. Future versions do this automatically, but an explicit c++rt0.o
+ # does not break anything, and helps significantly (at the cost of a little
+ # extra space).
+ freebsd2.2*)
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ # Unfortunately, older versions of FreeBSD 2 do not have this feature.
+ freebsd2.*)
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=yes
+ hardcode_minus_L=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
+ freebsd* | dragonfly*)
+ archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ hpux9*)
+ if test "$GCC" = yes; then
+ archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ else
+ archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
+ fi
+ hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator=:
+ hardcode_direct=yes
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L=yes
+ export_dynamic_flag_spec='${wl}-E'
+ ;;
+
+ hpux10*)
+ if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+ archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator=:
+ hardcode_direct=yes
+ hardcode_direct_absolute=yes
+ export_dynamic_flag_spec='${wl}-E'
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L=yes
+ fi
+ ;;
+
+ hpux11*)
+ if test "$GCC" = yes && test "$with_gnu_ld" = no; then
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+ archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ esac
+ else
+ case $host_cpu in
+ hppa*64*)
+ archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ ia64*)
+ archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+ ;;
+ *)
+
+ # Older versions of the 11.00 compiler do not understand -b yet
+ # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5
+$as_echo_n "checking if $CC understands -b... " >&6; }
+if ${lt_cv_prog_compiler__b+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_prog_compiler__b=no
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -b"
+ echo "$lt_simple_link_test_code" > conftest.$ac_ext
+ if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
+ # The linker can only warn and ignore the option if not recognized
+ # So say no if there are warnings
+ if test -s conftest.err; then
+ # Append any errors to the config.log.
+ cat conftest.err 1>&5
+ $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp
+ $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
+ if diff conftest.exp conftest.er2 >/dev/null; then
+ lt_cv_prog_compiler__b=yes
+ fi
+ else
+ lt_cv_prog_compiler__b=yes
+ fi
+ fi
+ $RM -r conftest*
+ LDFLAGS="$save_LDFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
+$as_echo "$lt_cv_prog_compiler__b" >&6; }
+
+if test x"$lt_cv_prog_compiler__b" = xyes; then
+ archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
+else
+ archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
+fi
+
+ ;;
+ esac
+ fi
+ if test "$with_gnu_ld" = no; then
+ hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
+ hardcode_libdir_separator=:
+
+ case $host_cpu in
+ hppa*64*|ia64*)
+ hardcode_direct=no
+ hardcode_shlibpath_var=no
+ ;;
+ *)
+ hardcode_direct=yes
+ hardcode_direct_absolute=yes
+ export_dynamic_flag_spec='${wl}-E'
+
+ # hardcode_minus_L: Not really in the search PATH,
+ # but as the default location of the library.
+ hardcode_minus_L=yes
+ ;;
+ esac
+ fi
+ ;;
+
+ irix5* | irix6* | nonstopux*)
+ if test "$GCC" = yes; then
+ archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ # Try to use the -exported_symbol ld option, if it does not
+ # work, assume that -exports_file does not work either and
+ # implicitly export all symbols.
+ # This should be the same for all languages, so no per-tag cache variable.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5
+$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; }
+if ${lt_cv_irix_exported_symbol+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int foo (void) { return 0; }
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ lt_cv_irix_exported_symbol=yes
+else
+ lt_cv_irix_exported_symbol=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LDFLAGS="$save_LDFLAGS"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
+$as_echo "$lt_cv_irix_exported_symbol" >&6; }
+ if test "$lt_cv_irix_exported_symbol" = yes; then
+ archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
+ fi
+ else
+ archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib'
+ fi
+ archive_cmds_need_lc='no'
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator=:
+ inherit_rpath=yes
+ link_all_deplibs=yes
+ ;;
+
+ netbsd*)
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out
+ else
+ archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF
+ fi
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ newsos6)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=yes
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator=:
+ hardcode_shlibpath_var=no
+ ;;
+
+ *nto* | *qnx*)
+ ;;
+
+ openbsd*)
+ if test -f /usr/libexec/ld.so; then
+ hardcode_direct=yes
+ hardcode_shlibpath_var=no
+ hardcode_direct_absolute=yes
+ if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols'
+ hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+ export_dynamic_flag_spec='${wl}-E'
+ else
+ case $host_os in
+ openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
+ archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec='-R$libdir'
+ ;;
+ *)
+ archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+ hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
+ ;;
+ esac
+ fi
+ else
+ ld_shlibs=no
+ fi
+ ;;
+
+ os2*)
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_minus_L=yes
+ allow_undefined_flag=unsupported
+ archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
+ old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+ ;;
+
+ osf3*)
+ if test "$GCC" = yes; then
+ allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ else
+ allow_undefined_flag=' -expect_unresolved \*'
+ archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ fi
+ archive_cmds_need_lc='no'
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ hardcode_libdir_separator=:
+ ;;
+
+ osf4* | osf5*) # as osf3* with the addition of -msym flag
+ if test "$GCC" = yes; then
+ allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
+ archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
+ hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
+ else
+ allow_undefined_flag=' -expect_unresolved \*'
+ archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib'
+ archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~
+ $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp'
+
+ # Both c and cxx compiler support -rpath directly
+ hardcode_libdir_flag_spec='-rpath $libdir'
+ fi
+ archive_cmds_need_lc='no'
+ hardcode_libdir_separator=:
+ ;;
+
+ solaris*)
+ no_undefined_flag=' -z defs'
+ if test "$GCC" = yes; then
+ wlarc='${wl}'
+ archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+ else
+ case `$CC -V 2>&1` in
+ *"Compilers 5.0"*)
+ wlarc=''
+ archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp'
+ ;;
+ *)
+ wlarc='${wl}'
+ archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~
+ $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp'
+ ;;
+ esac
+ fi
+ hardcode_libdir_flag_spec='-R$libdir'
+ hardcode_shlibpath_var=no
+ case $host_os in
+ solaris2.[0-5] | solaris2.[0-5].*) ;;
+ *)
+ # The compiler driver will combine and reorder linker options,
+ # but understands `-z linker_flag'. GCC discards it without `$wl',
+ # but is careful enough not to reorder.
+ # Supported since Solaris 2.6 (maybe 2.5.1?)
+ if test "$GCC" = yes; then
+ whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
+ else
+ whole_archive_flag_spec='-z allextract$convenience -z defaultextract'
+ fi
+ ;;
+ esac
+ link_all_deplibs=yes
+ ;;
+
+ sunos4*)
+ if test "x$host_vendor" = xsequent; then
+ # Use $CC to link under sequent, because it throws in some extra .o
+ # files that make .init and .fini sections work.
+ archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
+ fi
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_direct=yes
+ hardcode_minus_L=yes
+ hardcode_shlibpath_var=no
+ ;;
+
+ sysv4)
+ case $host_vendor in
+ sni)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=yes # is this really true???
+ ;;
+ siemens)
+ ## LD is ld it makes a PLAMLIB
+ ## CC just makes a GrossModule.
+ archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
+ reload_cmds='$CC -r -o $output$reload_objs'
+ hardcode_direct=no
+ ;;
+ motorola)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_direct=no #Motorola manual says yes, but my tests say they lie
+ ;;
+ esac
+ runpath_var='LD_RUN_PATH'
+ hardcode_shlibpath_var=no
+ ;;
+
+ sysv4.3*)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var=no
+ export_dynamic_flag_spec='-Bexport'
+ ;;
+
+ sysv4*MP*)
+ if test -d /usr/nec; then
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_shlibpath_var=no
+ runpath_var=LD_RUN_PATH
+ hardcode_runpath_var=yes
+ ld_shlibs=yes
+ fi
+ ;;
+
+ sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*)
+ no_undefined_flag='${wl}-z,text'
+ archive_cmds_need_lc=no
+ hardcode_shlibpath_var=no
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ sysv5* | sco3.2v5* | sco5v6*)
+ # Note: We can NOT use -z defs as we might desire, because we do not
+ # link with -lc, and that would cause any symbols used from libc to
+ # always be unresolved, which means just about no library would
+ # ever link correctly. If we're not using GNU ld we use -z text
+ # though, which does catch some bad symbols but isn't as heavy-handed
+ # as -z defs.
+ no_undefined_flag='${wl}-z,text'
+ allow_undefined_flag='${wl}-z,nodefs'
+ archive_cmds_need_lc=no
+ hardcode_shlibpath_var=no
+ hardcode_libdir_flag_spec='${wl}-R,$libdir'
+ hardcode_libdir_separator=':'
+ link_all_deplibs=yes
+ export_dynamic_flag_spec='${wl}-Bexport'
+ runpath_var='LD_RUN_PATH'
+
+ if test "$GCC" = yes; then
+ archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ else
+ archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags'
+ fi
+ ;;
+
+ uts4*)
+ archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
+ hardcode_libdir_flag_spec='-L$libdir'
+ hardcode_shlibpath_var=no
+ ;;
+
+ *)
+ ld_shlibs=no
+ ;;
+ esac
+
+ if test x$host_vendor = xsni; then
+ case $host in
+ sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
+ export_dynamic_flag_spec='${wl}-Blargedynsym'
+ ;;
+ esac
+ fi
+ fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
+$as_echo "$ld_shlibs" >&6; }
+test "$ld_shlibs" = no && can_build_shared=no
+
+with_gnu_ld=$with_gnu_ld
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#
+# Do we need to explicitly link libc?
+#
+case "x$archive_cmds_need_lc" in
+x|xyes)
+ # Assume -lc should be added
+ archive_cmds_need_lc=yes
+
+ if test "$enable_shared" = yes && test "$GCC" = yes; then
+ case $archive_cmds in
+ *'~'*)
+ # FIXME: we may have to deal with multi-command sequences.
+ ;;
+ '$CC '*)
+ # Test whether the compiler implicitly links with -lc since on some
+ # systems, -lgcc has to come before -lc. If gcc already passes -lc
+ # to ld, don't add -lc before -lgcc.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
+$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
+if ${lt_cv_archive_cmds_need_lc+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ $RM conftest*
+ echo "$lt_simple_compile_test_code" > conftest.$ac_ext
+
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } 2>conftest.err; then
+ soname=conftest
+ lib=conftest
+ libobjs=conftest.$ac_objext
+ deplibs=
+ wl=$lt_prog_compiler_wl
+ pic_flag=$lt_prog_compiler_pic
+ compiler_flags=-v
+ linker_flags=-v
+ verstring=
+ output_objdir=.
+ libname=conftest
+ lt_save_allow_undefined_flag=$allow_undefined_flag
+ allow_undefined_flag=
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
+ (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }
+ then
+ lt_cv_archive_cmds_need_lc=no
+ else
+ lt_cv_archive_cmds_need_lc=yes
+ fi
+ allow_undefined_flag=$lt_save_allow_undefined_flag
+ else
+ cat conftest.err 1>&5
+ fi
+ $RM conftest*
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
+$as_echo "$lt_cv_archive_cmds_need_lc" >&6; }
+ archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+
+
+
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+
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
+$as_echo_n "checking dynamic linker characteristics... " >&6; }
+
+if test "$GCC" = yes; then
+ case $host_os in
+ darwin*) lt_awk_arg="/^libraries:/,/LR/" ;;
+ *) lt_awk_arg="/^libraries:/" ;;
+ esac
+ case $host_os in
+ mingw* | cegcc*) lt_sed_strip_eq="s,=\([A-Za-z]:\),\1,g" ;;
+ *) lt_sed_strip_eq="s,=/,/,g" ;;
+ esac
+ lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq`
+ case $lt_search_path_spec in
+ *\;*)
+ # if the path contains ";" then we assume it to be the separator
+ # otherwise default to the standard path separator (i.e. ":") - it is
+ # assumed that no part of a normal pathname contains ";" but that should
+ # okay in the real world where ";" in dirpaths is itself problematic.
+ lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'`
+ ;;
+ *)
+ lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"`
+ ;;
+ esac
+ # Ok, now we have the path, separated by spaces, we can step through it
+ # and add multilib dir if necessary.
+ lt_tmp_lt_search_path_spec=
+ lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null`
+ for lt_sys_path in $lt_search_path_spec; do
+ if test -d "$lt_sys_path/$lt_multi_os_dir"; then
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir"
+ else
+ test -d "$lt_sys_path" && \
+ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path"
+ fi
+ done
+ lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk '
+BEGIN {RS=" "; FS="/|\n";} {
+ lt_foo="";
+ lt_count=0;
+ for (lt_i = NF; lt_i > 0; lt_i--) {
+ if ($lt_i != "" && $lt_i != ".") {
+ if ($lt_i == "..") {
+ lt_count++;
+ } else {
+ if (lt_count == 0) {
+ lt_foo="/" $lt_i lt_foo;
+ } else {
+ lt_count--;
+ }
+ }
+ }
+ }
+ if (lt_foo != "") { lt_freq[lt_foo]++; }
+ if (lt_freq[lt_foo] == 1) { print lt_foo; }
+}'`
+ # AWK program above erroneously prepends '/' to C:/dos/paths
+ # for these hosts.
+ case $host_os in
+ mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\
+ $SED 's,/\([A-Za-z]:\),\1,g'` ;;
+ esac
+ sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
+else
+ sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+fi
+library_names_spec=
+libname_spec='lib$name'
+soname_spec=
+shrext_cmds=".so"
+postinstall_cmds=
+postuninstall_cmds=
+finish_cmds=
+finish_eval=
+shlibpath_var=
+shlibpath_overrides_runpath=unknown
+version_type=none
+dynamic_linker="$host_os ld.so"
+sys_lib_dlsearch_path_spec="/lib /usr/lib"
+need_lib_prefix=unknown
+hardcode_into_libs=no
+
+# when you set need_version to no, make sure it does not cause -set_version
+# flags to be left without arguments
+need_version=unknown
+
+case $host_os in
+aix3*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
+ shlibpath_var=LIBPATH
+
+ # AIX 3 has no versioning support, so we append a major version to the name.
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+
+aix[4-9]*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ hardcode_into_libs=yes
+ if test "$host_cpu" = ia64; then
+ # AIX 5 supports IA64
+ library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ else
+ # With GCC up to 2.95.x, collect2 would create an import file
+ # for dependence libraries. The import file would start with
+ # the line `#! .'. This would cause the generated library to
+ # depend on `.', always an invalid library. This was fixed in
+ # development snapshots of GCC prior to 3.0.
+ case $host_os in
+ aix4 | aix4.[01] | aix4.[01].*)
+ if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
+ echo ' yes '
+ echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then
+ :
+ else
+ can_build_shared=no
+ fi
+ ;;
+ esac
+ # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
+ # soname into executable. Probably we can add versioning support to
+ # collect2, so additional links can be useful in future.
+ if test "$aix_use_runtimelinking" = yes; then
+ # If using run time linking (on AIX 4.2 or later) use lib<name>.so
+ # instead of lib<name>.a to let people know that these are not
+ # typical AIX shared libraries.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ else
+ # We preserve .a as extension for shared libraries through AIX4.2
+ # and later when we are not doing run time linking.
+ library_names_spec='${libname}${release}.a $libname.a'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ fi
+ shlibpath_var=LIBPATH
+ fi
+ ;;
+
+amigaos*)
+ case $host_cpu in
+ powerpc)
+ # Since July 2007 AmigaOS4 officially supports .so libraries.
+ # When compiling the executable, add -use-dynld -Lsobjs: to the compileline.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ ;;
+ m68k)
+ library_names_spec='$libname.ixlibrary $libname.a'
+ # Create ${libname}_ixlibrary.a entries in /sys/libs.
+ finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
+ ;;
+ esac
+ ;;
+
+beos*)
+ library_names_spec='${libname}${shared_ext}'
+ dynamic_linker="$host_os ld.so"
+ shlibpath_var=LIBRARY_PATH
+ ;;
+
+bsdi[45]*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
+ sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
+ # the default ld.so.conf also contains /usr/contrib/lib and
+ # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
+ # libtool to hard-code these into programs
+ ;;
+
+cygwin* | mingw* | pw32* | cegcc*)
+ version_type=windows
+ shrext_cmds=".dll"
+ need_version=no
+ need_lib_prefix=no
+
+ case $GCC,$cc_basename in
+ yes,*)
+ # gcc
+ library_names_spec='$libname.dll.a'
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname~
+ chmod a+x \$dldir/$dlname~
+ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+ eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+ fi'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $RM \$dlpath'
+ shlibpath_overrides_runpath=yes
+
+ case $host_os in
+ cygwin*)
+ # Cygwin DLLs use 'cyg' prefix rather than 'lib'
+ soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"
+ ;;
+ mingw* | cegcc*)
+ # MinGW DLLs use traditional 'lib' prefix
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ pw32*)
+ # pw32 DLLs use 'pw' prefix rather than 'lib'
+ library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ ;;
+ esac
+ dynamic_linker='Win32 ld.exe'
+ ;;
+
+ *,cl*)
+ # Native MSVC
+ libname_spec='$name'
+ soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
+ library_names_spec='${libname}.dll.lib'
+
+ case $build_os in
+ mingw*)
+ sys_lib_search_path_spec=
+ lt_save_ifs=$IFS
+ IFS=';'
+ for lt_path in $LIB
+ do
+ IFS=$lt_save_ifs
+ # Let DOS variable expansion print the short 8.3 style file name.
+ lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"`
+ sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path"
+ done
+ IFS=$lt_save_ifs
+ # Convert to MSYS style.
+ sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'`
+ ;;
+ cygwin*)
+ # Convert to unix form, then to dos form, then back to unix form
+ # but this time dos style (no spaces!) so that the unix form looks
+ # like /cygdrive/c/PROGRA~1:/cygdr...
+ sys_lib_search_path_spec=`cygpath --path --unix "$LIB"`
+ sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null`
+ sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ ;;
+ *)
+ sys_lib_search_path_spec="$LIB"
+ if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then
+ # It is most probably a Windows format PATH.
+ sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
+ else
+ sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"`
+ fi
+ # FIXME: find the short name or the path components, as spaces are
+ # common. (e.g. "Program Files" -> "PROGRA~1")
+ ;;
+ esac
+
+ # DLL is installed to $(libdir)/../bin by postinstall_cmds
+ postinstall_cmds='base_file=`basename \${file}`~
+ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~
+ dldir=$destdir/`dirname \$dlpath`~
+ test -d \$dldir || mkdir -p \$dldir~
+ $install_prog $dir/$dlname \$dldir/$dlname'
+ postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
+ dlpath=$dir/\$dldll~
+ $RM \$dlpath'
+ shlibpath_overrides_runpath=yes
+ dynamic_linker='Win32 link.exe'
+ ;;
+
+ *)
+ # Assume MSVC wrapper
+ library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib'
+ dynamic_linker='Win32 ld.exe'
+ ;;
+ esac
+ # FIXME: first we should search . and the directory the executable is in
+ shlibpath_var=PATH
+ ;;
+
+darwin* | rhapsody*)
+ dynamic_linker="$host_os dyld"
+ version_type=darwin
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext'
+ soname_spec='${libname}${release}${major}$shared_ext'
+ shlibpath_overrides_runpath=yes
+ shlibpath_var=DYLD_LIBRARY_PATH
+ shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`'
+
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"
+ sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
+ ;;
+
+dgux*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+freebsd* | dragonfly*)
+ # DragonFly does not have aout. When/if they implement a new
+ # versioning mechanism, adjust this.
+ if test -x /usr/bin/objformat; then
+ objformat=`/usr/bin/objformat`
+ else
+ case $host_os in
+ freebsd[23].*) objformat=aout ;;
+ *) objformat=elf ;;
+ esac
+ fi
+ version_type=freebsd-$objformat
+ case $version_type in
+ freebsd-elf*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ need_version=no
+ need_lib_prefix=no
+ ;;
+ freebsd-*)
+ library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
+ need_version=yes
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_os in
+ freebsd2.*)
+ shlibpath_overrides_runpath=yes
+ ;;
+ freebsd3.[01]* | freebsdelf3.[01]*)
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ freebsd3.[2-9]* | freebsdelf3.[2-9]* | \
+ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1)
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+ *) # from 4.6 on, and DragonFly
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+ esac
+ ;;
+
+gnu*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+haiku*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ dynamic_linker="$host_os runtime_loader"
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib'
+ hardcode_into_libs=yes
+ ;;
+
+hpux9* | hpux10* | hpux11*)
+ # Give a soname corresponding to the major version so that dld.sl refuses to
+ # link against other versions.
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ case $host_cpu in
+ ia64*)
+ shrext_cmds='.so'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.so"
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ if test "X$HPUX_IA64_MODE" = X32; then
+ sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+ else
+ sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+ fi
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ hppa*64*)
+ shrext_cmds='.sl'
+ hardcode_into_libs=yes
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
+ shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
+ sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+ ;;
+ *)
+ shrext_cmds='.sl'
+ dynamic_linker="$host_os dld.sl"
+ shlibpath_var=SHLIB_PATH
+ shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ ;;
+ esac
+ # HP-UX runs *really* slowly unless shared libraries are mode 555, ...
+ postinstall_cmds='chmod 555 $lib'
+ # or fails outright, so override atomically:
+ install_override_mode=555
+ ;;
+
+interix[3-9]*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+irix5* | irix6* | nonstopux*)
+ case $host_os in
+ nonstopux*) version_type=nonstopux ;;
+ *)
+ if test "$lt_cv_prog_gnu_ld" = yes; then
+ version_type=linux # correct to gnu/linux during the next big refactor
+ else
+ version_type=irix
+ fi ;;
+ esac
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
+ case $host_os in
+ irix5* | nonstopux*)
+ libsuff= shlibsuff=
+ ;;
+ *)
+ case $LD in # libtool.m4 will add one of these switches to LD
+ *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
+ libsuff= shlibsuff= libmagic=32-bit;;
+ *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
+ libsuff=32 shlibsuff=N32 libmagic=N32;;
+ *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
+ libsuff=64 shlibsuff=64 libmagic=64-bit;;
+ *) libsuff= shlibsuff= libmagic=never-match;;
+ esac
+ ;;
+ esac
+ shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
+ sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
+ hardcode_into_libs=yes
+ ;;
+
+# No shared lib support for Linux oldld, aout, or coff.
+linux*oldld* | linux*aout* | linux*coff*)
+ dynamic_linker=no
+ ;;
+
+# This must be glibc/ELF.
+linux* | k*bsd*-gnu | kopensolaris*-gnu)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+
+ # Some binutils ld are patched to set DT_RUNPATH
+ if ${lt_cv_shlibpath_overrides_runpath+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ lt_cv_shlibpath_overrides_runpath=no
+ save_LDFLAGS=$LDFLAGS
+ save_libdir=$libdir
+ eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
+ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then :
+ lt_cv_shlibpath_overrides_runpath=yes
+fi
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LDFLAGS=$save_LDFLAGS
+ libdir=$save_libdir
+
+fi
+
+ shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
+
+ # This implies no fast_install, which is unacceptable.
+ # Some rework will be needed to allow for fast_install
+ # before this can be enabled.
+ hardcode_into_libs=yes
+
+ # Add ABI-specific directories to the system library path.
+ sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
+
+ # Append ld.so.conf contents to the search path
+ if test -f /etc/ld.so.conf; then
+ lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+ sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+
+ fi
+
+ # We used to test for /lib/ld.so.1 and disable shared libraries on
+ # powerpc, because MkLinux only supported shared libraries with the
+ # GNU dynamic linker. Since this was broken with cross compilers,
+ # most powerpc-linux boxes support dynamic linking these days and
+ # people can always --disable-shared, the test was removed, and we
+ # assume the GNU/Linux dynamic linker is in use.
+ dynamic_linker='GNU/Linux ld.so'
+ ;;
+
+netbsd*)
+ version_type=sunos
+ need_lib_prefix=no
+ need_version=no
+ if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ dynamic_linker='NetBSD (a.out) ld.so'
+ else
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ dynamic_linker='NetBSD ld.elf_so'
+ fi
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ ;;
+
+newsos6)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ ;;
+
+*nto* | *qnx*)
+ version_type=qnx
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ dynamic_linker='ldqnx.so'
+ ;;
+
+openbsd*)
+ version_type=sunos
+ sys_lib_dlsearch_path_spec="/usr/lib"
+ need_lib_prefix=no
+ # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs.
+ case $host_os in
+ openbsd3.3 | openbsd3.3.*) need_version=yes ;;
+ *) need_version=no ;;
+ esac
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
+ case $host_os in
+ openbsd2.[89] | openbsd2.[89].*)
+ shlibpath_overrides_runpath=no
+ ;;
+ *)
+ shlibpath_overrides_runpath=yes
+ ;;
+ esac
+ else
+ shlibpath_overrides_runpath=yes
+ fi
+ ;;
+
+os2*)
+ libname_spec='$name'
+ shrext_cmds=".dll"
+ need_lib_prefix=no
+ library_names_spec='$libname${shared_ext} $libname.a'
+ dynamic_linker='OS/2 ld.exe'
+ shlibpath_var=LIBPATH
+ ;;
+
+osf3* | osf4* | osf5*)
+ version_type=osf
+ need_lib_prefix=no
+ need_version=no
+ soname_spec='${libname}${release}${shared_ext}$major'
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
+ sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
+ ;;
+
+rdos*)
+ dynamic_linker=no
+ ;;
+
+solaris*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ # ldd complains unless libraries are executable
+ postinstall_cmds='chmod +x $lib'
+ ;;
+
+sunos4*)
+ version_type=sunos
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
+ finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ if test "$with_gnu_ld" = yes; then
+ need_lib_prefix=no
+ fi
+ need_version=yes
+ ;;
+
+sysv4 | sysv4.3*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ case $host_vendor in
+ sni)
+ shlibpath_overrides_runpath=no
+ need_lib_prefix=no
+ runpath_var=LD_RUN_PATH
+ ;;
+ siemens)
+ need_lib_prefix=no
+ ;;
+ motorola)
+ need_lib_prefix=no
+ need_version=no
+ shlibpath_overrides_runpath=no
+ sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
+ ;;
+ esac
+ ;;
+
+sysv4*MP*)
+ if test -d /usr/nec ;then
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
+ soname_spec='$libname${shared_ext}.$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ fi
+ ;;
+
+sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
+ version_type=freebsd-elf
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=yes
+ hardcode_into_libs=yes
+ if test "$with_gnu_ld" = yes; then
+ sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib'
+ else
+ sys_lib_search_path_spec='/usr/ccs/lib /usr/lib'
+ case $host_os in
+ sco3.2v5*)
+ sys_lib_search_path_spec="$sys_lib_search_path_spec /lib"
+ ;;
+ esac
+ fi
+ sys_lib_dlsearch_path_spec='/usr/lib'
+ ;;
+
+tpf*)
+ # TPF is a cross-target only. Preferred cross-host = GNU/Linux.
+ version_type=linux # correct to gnu/linux during the next big refactor
+ need_lib_prefix=no
+ need_version=no
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ shlibpath_var=LD_LIBRARY_PATH
+ shlibpath_overrides_runpath=no
+ hardcode_into_libs=yes
+ ;;
+
+uts4*)
+ version_type=linux # correct to gnu/linux during the next big refactor
+ library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+ soname_spec='${libname}${release}${shared_ext}$major'
+ shlibpath_var=LD_LIBRARY_PATH
+ ;;
+
+*)
+ dynamic_linker=no
+ ;;
+esac
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
+$as_echo "$dynamic_linker" >&6; }
+test "$dynamic_linker" = no && can_build_shared=no
+
+variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
+if test "$GCC" = yes; then
+ variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+fi
+
+if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
+ sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
+fi
+if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then
+ sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec"
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
+$as_echo_n "checking how to hardcode library paths into programs... " >&6; }
+hardcode_action=
+if test -n "$hardcode_libdir_flag_spec" ||
+ test -n "$runpath_var" ||
+ test "X$hardcode_automatic" = "Xyes" ; then
+
+ # We can hardcode non-existent directories.
+ if test "$hardcode_direct" != no &&
+ # If the only mechanism to avoid hardcoding is shlibpath_var, we
+ # have to relink, otherwise we might link with an installed library
+ # when we should be linking with a yet-to-be-installed one
+ ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no &&
+ test "$hardcode_minus_L" != no; then
+ # Linking always hardcodes the temporary library directory.
+ hardcode_action=relink
+ else
+ # We can link without hardcoding, and we can hardcode nonexisting dirs.
+ hardcode_action=immediate
+ fi
+else
+ # We cannot hardcode anything, or else we can only hardcode existing
+ # directories.
+ hardcode_action=unsupported
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
+$as_echo "$hardcode_action" >&6; }
+
+if test "$hardcode_action" = relink ||
+ test "$inherit_rpath" = yes; then
+ # Fast installation is not supported
+ enable_fast_install=no
+elif test "$shlibpath_overrides_runpath" = yes ||
+ test "$enable_shared" = no; then
+ # Fast installation is not necessary
+ enable_fast_install=needless
+fi
+
+
+
+
+
+
+ if test "x$enable_dlopen" != xyes; then
+ enable_dlopen=unknown
+ enable_dlopen_self=unknown
+ enable_dlopen_self_static=unknown
+else
+ lt_cv_dlopen=no
+ lt_cv_dlopen_libs=
+
+ case $host_os in
+ beos*)
+ lt_cv_dlopen="load_add_on"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+ ;;
+
+ mingw* | pw32* | cegcc*)
+ lt_cv_dlopen="LoadLibrary"
+ lt_cv_dlopen_libs=
+ ;;
+
+ cygwin*)
+ lt_cv_dlopen="dlopen"
+ lt_cv_dlopen_libs=
+ ;;
+
+ darwin*)
+ # if libdl is installed we need to link against it
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if ${ac_cv_lib_dl_dlopen+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dl_dlopen=yes
+else
+ ac_cv_lib_dl_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+ lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+
+ lt_cv_dlopen="dyld"
+ lt_cv_dlopen_libs=
+ lt_cv_dlopen_self=yes
+
+fi
+
+ ;;
+
+ *)
+ ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
+if test "x$ac_cv_func_shl_load" = xyes; then :
+ lt_cv_dlopen="shl_load"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
+$as_echo_n "checking for shl_load in -ldld... " >&6; }
+if ${ac_cv_lib_dld_shl_load+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char shl_load ();
+int
+main ()
+{
+return shl_load ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dld_shl_load=yes
+else
+ ac_cv_lib_dld_shl_load=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
+$as_echo "$ac_cv_lib_dld_shl_load" >&6; }
+if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
+ lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
+else
+ ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
+if test "x$ac_cv_func_dlopen" = xyes; then :
+ lt_cv_dlopen="dlopen"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+$as_echo_n "checking for dlopen in -ldl... " >&6; }
+if ${ac_cv_lib_dl_dlopen+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dl_dlopen=yes
+else
+ ac_cv_lib_dl_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+ lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
+$as_echo_n "checking for dlopen in -lsvld... " >&6; }
+if ${ac_cv_lib_svld_dlopen+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsvld $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
+int
+main ()
+{
+return dlopen ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_svld_dlopen=yes
+else
+ ac_cv_lib_svld_dlopen=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
+$as_echo "$ac_cv_lib_svld_dlopen" >&6; }
+if test "x$ac_cv_lib_svld_dlopen" = xyes; then :
+ lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
+$as_echo_n "checking for dld_link in -ldld... " >&6; }
+if ${ac_cv_lib_dld_dld_link+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dld_link ();
+int
+main ()
+{
+return dld_link ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dld_dld_link=yes
+else
+ ac_cv_lib_dld_dld_link=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
+$as_echo "$ac_cv_lib_dld_dld_link" >&6; }
+if test "x$ac_cv_lib_dld_dld_link" = xyes; then :
+ lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+
+fi
+
+ ;;
+ esac
+
+ if test "x$lt_cv_dlopen" != xno; then
+ enable_dlopen=yes
+ else
+ enable_dlopen=no
+ fi
+
+ case $lt_cv_dlopen in
+ dlopen)
+ save_CPPFLAGS="$CPPFLAGS"
+ test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
+
+ save_LDFLAGS="$LDFLAGS"
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
+
+ save_LIBS="$LIBS"
+ LIBS="$lt_cv_dlopen_libs $LIBS"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
+$as_echo_n "checking whether a program can dlopen itself... " >&6; }
+if ${lt_cv_dlopen_self+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test "$cross_compiling" = yes; then :
+ lt_cv_dlopen_self=cross
+else
+ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+ lt_status=$lt_dlunknown
+ cat > conftest.$ac_ext <<_LT_EOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+# define LT_DLGLOBAL RTLD_GLOBAL
+#else
+# ifdef DL_GLOBAL
+# define LT_DLGLOBAL DL_GLOBAL
+# else
+# define LT_DLGLOBAL 0
+# endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+ find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+# ifdef RTLD_LAZY
+# define LT_DLLAZY_OR_NOW RTLD_LAZY
+# else
+# ifdef DL_LAZY
+# define LT_DLLAZY_OR_NOW DL_LAZY
+# else
+# ifdef RTLD_NOW
+# define LT_DLLAZY_OR_NOW RTLD_NOW
+# else
+# ifdef DL_NOW
+# define LT_DLLAZY_OR_NOW DL_NOW
+# else
+# define LT_DLLAZY_OR_NOW 0
+# endif
+# endif
+# endif
+# endif
+#endif
+
+/* When -fvisbility=hidden is used, assume the code has been annotated
+ correspondingly for the symbols needed. */
+#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+ void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+ int status = $lt_dlunknown;
+
+ if (self)
+ {
+ if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
+ else
+ {
+ if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+ else puts (dlerror ());
+ }
+ /* dlclose (self); */
+ }
+ else
+ puts (dlerror ());
+
+ return status;
+}
+_LT_EOF
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
+ (./conftest; exit; ) >&5 2>/dev/null
+ lt_status=$?
+ case x$lt_status in
+ x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;;
+ x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;;
+ x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;;
+ esac
+ else :
+ # compilation failed
+ lt_cv_dlopen_self=no
+ fi
+fi
+rm -fr conftest*
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
+$as_echo "$lt_cv_dlopen_self" >&6; }
+
+ if test "x$lt_cv_dlopen_self" = xyes; then
+ wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
+$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
+if ${lt_cv_dlopen_self_static+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test "$cross_compiling" = yes; then :
+ lt_cv_dlopen_self_static=cross
+else
+ lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+ lt_status=$lt_dlunknown
+ cat > conftest.$ac_ext <<_LT_EOF
+#line $LINENO "configure"
+#include "confdefs.h"
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <stdio.h>
+
+#ifdef RTLD_GLOBAL
+# define LT_DLGLOBAL RTLD_GLOBAL
+#else
+# ifdef DL_GLOBAL
+# define LT_DLGLOBAL DL_GLOBAL
+# else
+# define LT_DLGLOBAL 0
+# endif
+#endif
+
+/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
+ find out it does not work in some platform. */
+#ifndef LT_DLLAZY_OR_NOW
+# ifdef RTLD_LAZY
+# define LT_DLLAZY_OR_NOW RTLD_LAZY
+# else
+# ifdef DL_LAZY
+# define LT_DLLAZY_OR_NOW DL_LAZY
+# else
+# ifdef RTLD_NOW
+# define LT_DLLAZY_OR_NOW RTLD_NOW
+# else
+# ifdef DL_NOW
+# define LT_DLLAZY_OR_NOW DL_NOW
+# else
+# define LT_DLLAZY_OR_NOW 0
+# endif
+# endif
+# endif
+# endif
+#endif
+
+/* When -fvisbility=hidden is used, assume the code has been annotated
+ correspondingly for the symbols needed. */
+#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
+int fnord () __attribute__((visibility("default")));
+#endif
+
+int fnord () { return 42; }
+int main ()
+{
+ void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
+ int status = $lt_dlunknown;
+
+ if (self)
+ {
+ if (dlsym (self,"fnord")) status = $lt_dlno_uscore;
+ else
+ {
+ if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
+ else puts (dlerror ());
+ }
+ /* dlclose (self); */
+ }
+ else
+ puts (dlerror ());
+
+ return status;
+}
+_LT_EOF
+ if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
+ (./conftest; exit; ) >&5 2>/dev/null
+ lt_status=$?
+ case x$lt_status in
+ x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;;
+ x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;;
+ x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;;
+ esac
+ else :
+ # compilation failed
+ lt_cv_dlopen_self_static=no
+ fi
+fi
+rm -fr conftest*
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
+$as_echo "$lt_cv_dlopen_self_static" >&6; }
+ fi
+
+ CPPFLAGS="$save_CPPFLAGS"
+ LDFLAGS="$save_LDFLAGS"
+ LIBS="$save_LIBS"
+ ;;
+ esac
+
+ case $lt_cv_dlopen_self in
+ yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
+ *) enable_dlopen_self=unknown ;;
+ esac
+
+ case $lt_cv_dlopen_self_static in
+ yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
+ *) enable_dlopen_self_static=unknown ;;
+ esac
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+striplib=
+old_striplib=
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5
+$as_echo_n "checking whether stripping libraries is possible... " >&6; }
+if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
+ test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
+ test -z "$striplib" && striplib="$STRIP --strip-unneeded"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+# FIXME - insert some real tests, host_os isn't really good enough
+ case $host_os in
+ darwin*)
+ if test -n "$STRIP" ; then
+ striplib="$STRIP -x"
+ old_striplib="$STRIP -S"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ fi
+ ;;
+ *)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ ;;
+ esac
+fi
+
+
+
+
+
+
+
+
+
+
+
+
+ # Report which library types will actually be built
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
+$as_echo_n "checking if libtool supports shared libraries... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
+$as_echo "$can_build_shared" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
+$as_echo_n "checking whether to build shared libraries... " >&6; }
+ test "$can_build_shared" = "no" && enable_shared=no
+
+ # On AIX, shared libraries and static libraries use the same namespace, and
+ # are all built from PIC.
+ case $host_os in
+ aix3*)
+ test "$enable_shared" = yes && enable_static=no
+ if test -n "$RANLIB"; then
+ archive_cmds="$archive_cmds~\$RANLIB \$lib"
+ postinstall_cmds='$RANLIB $lib'
+ fi
+ ;;
+
+ aix[4-9]*)
+ if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
+ test "$enable_shared" = yes && enable_static=no
+ fi
+ ;;
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
+$as_echo "$enable_shared" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
+$as_echo_n "checking whether to build static libraries... " >&6; }
+ # Make sure either enable_shared or enable_static is yes.
+ test "$enable_shared" = yes || enable_static=yes
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
+$as_echo "$enable_static" >&6; }
+
+
+
+
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+CC="$lt_save_CC"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ ac_config_commands="$ac_config_commands libtool"
+
+
+
+
+# Only expand once:
+
+
+
+CC_NOUNDEFINED
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_header_stdc=yes
+else
+ ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+ # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "memchr" >/dev/null 2>&1; then :
+
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "free" >/dev/null 2>&1; then :
+
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+ if test "$cross_compiling" = yes; then :
+ :
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+ (('a' <= (c) && (c) <= 'i') \
+ || ('j' <= (c) && (c) <= 'r') \
+ || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ if (XOR (islower (i), ISLOWER (i))
+ || toupper (i) != TOUPPER (i))
+ return 2;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+else
+ ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
+$as_echo "$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
+
+fi
+
+ac_config_headers="$ac_config_headers include/config.h"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
+$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
+if ${ac_cv_c_const+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+#ifndef __cplusplus
+ /* Ultrix mips cc rejects this sort of thing. */
+ typedef int charset[2];
+ const charset cs = { 0, 0 };
+ /* SunOS 4.1.1 cc rejects this. */
+ char const *const *pcpcc;
+ char **ppc;
+ /* NEC SVR4.0.2 mips cc rejects this. */
+ struct point {int x, y;};
+ static struct point const zero = {0,0};
+ /* AIX XL C 1.02.0.0 rejects this.
+ It does not let you subtract one const X* pointer from another in
+ an arm of an if-expression whose if-part is not a constant
+ expression */
+ const char *g = "string";
+ pcpcc = &g + (g ? g-g : 0);
+ /* HPUX 7.0 cc rejects these. */
+ ++pcpcc;
+ ppc = (char**) pcpcc;
+ pcpcc = (char const *const *) ppc;
+ { /* SCO 3.2v4 cc rejects this sort of thing. */
+ char tx;
+ char *t = &tx;
+ char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+ *t++ = 0;
+ if (s) return 0;
+ }
+ { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
+ int x[] = {25, 17};
+ const int *foo = &x[0];
+ ++foo;
+ }
+ { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+ typedef const int *iptr;
+ iptr p = 0;
+ ++p;
+ }
+ { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying
+ "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+ struct s { int j; const int *ap[3]; } bx;
+ struct s *b = &bx; b->j = 5;
+ }
+ { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+ const int foo = 10;
+ if (!foo) return 0;
+ }
+ return !cs[0] && !zero.x;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_c_const=yes
+else
+ ac_cv_c_const=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
+$as_echo "$ac_cv_c_const" >&6; }
+if test $ac_cv_c_const = no; then
+
+$as_echo "#define const /**/" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
+$as_echo_n "checking for inline... " >&6; }
+if ${ac_cv_c_inline+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_cv_c_inline=no
+for ac_kw in inline __inline__ __inline; do
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#ifndef __cplusplus
+typedef int foo_t;
+static $ac_kw foo_t static_foo () {return 0; }
+$ac_kw foo_t foo () {return 0; }
+#endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_c_inline=$ac_kw
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ test "$ac_cv_c_inline" != no && break
+done
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
+$as_echo "$ac_cv_c_inline" >&6; }
+
+case $ac_cv_c_inline in
+ inline | yes) ;;
+ *)
+ case $ac_cv_c_inline in
+ no) ac_val=;;
+ *) ac_val=$ac_cv_c_inline;;
+ esac
+ cat >>confdefs.h <<_ACEOF
+#ifndef __cplusplus
+#define inline $ac_val
+#endif
+_ACEOF
+ ;;
+esac
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5
+$as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
+if ${ac_cv_header_time+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
+
+int
+main ()
+{
+if ((struct tm *) 0)
+return 0;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_header_time=yes
+else
+ ac_cv_header_time=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time" >&5
+$as_echo "$ac_cv_header_time" >&6; }
+if test $ac_cv_header_time = yes; then
+
+$as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h
+
+fi
+
+
+if test $ac_cv_c_compiler_gnu = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
+$as_echo_n "checking whether $CC needs -traditional... " >&6; }
+if ${ac_cv_prog_gcc_traditional+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_pattern="Autoconf.*'x'"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sgtty.h>
+Autoconf TIOCGETP
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "$ac_pattern" >/dev/null 2>&1; then :
+ ac_cv_prog_gcc_traditional=yes
+else
+ ac_cv_prog_gcc_traditional=no
+fi
+rm -f conftest*
+
+
+ if test $ac_cv_prog_gcc_traditional = no; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <termio.h>
+Autoconf TCGETA
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "$ac_pattern" >/dev/null 2>&1; then :
+ ac_cv_prog_gcc_traditional=yes
+fi
+rm -f conftest*
+
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5
+$as_echo "$ac_cv_prog_gcc_traditional" >&6; }
+ if test $ac_cv_prog_gcc_traditional = yes; then
+ CC="$CC -traditional"
+ fi
+fi
+
+for ac_func in uselocale
+do :
+ ac_fn_c_check_func "$LINENO" "uselocale" "ac_cv_func_uselocale"
+if test "x$ac_cv_func_uselocale" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_USELOCALE 1
+_ACEOF
+
+fi
+done
+
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library version" >&5
+$as_echo_n "checking for library version... " >&6; }
+SND_LIB_VERSION=$VERSION
+echo $VERSION > $srcdir/version
+
+cat >>confdefs.h <<_ACEOF
+#define VERSION "$SND_LIB_VERSION"
+_ACEOF
+
+
+SND_LIB_MAJOR=`echo $VERSION | cut -d . -f 1`
+
+SND_LIB_MINOR=`echo $VERSION | cut -d . -f 2`
+
+SND_LIB_SUBMINOR=`echo $VERSION | cut -d . -f 3 | sed -e 's/^\([^[:alpha:]]*\)\(.*\)$/\1/g'`
+
+SND_LIB_EXTRASTR=`echo $VERSION | cut -d . -f 3 | sed -e 's/^\([^[:alpha:]]*\)\([[:alpha:]]*\)\([[:digit:]]*\)\(.*\)$/\2/g'`
+SND_LIB_EXTRAVER=`echo $VERSION | cut -d . -f 3 | sed -e 's/^\([^[:alpha:]]*\)\([[:alpha:]]*\)\([[:digit:]]*\)\(.*\)$/\3/g'`
+case "$SND_LIB_EXTRASTR" in
+ pre) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 00000` ;;
+ alpha) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 10000` ;;
+ beta) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 20000` ;;
+ rc) SND_LIB_EXTRAVER=`expr $SND_LIB_EXTRAVER + 100000` ;;
+ *) SND_LIB_EXTRAVER=1000000 ;;
+esac
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: major $SND_LIB_MAJOR minor $SND_LIB_MINOR subminor $SND_LIB_SUBMINOR extrastr $SND_LIB_EXTRASTR extraver $SND_LIB_EXTRAVER" >&5
+$as_echo "major $SND_LIB_MAJOR minor $SND_LIB_MINOR subminor $SND_LIB_SUBMINOR extrastr $SND_LIB_EXTRASTR extraver $SND_LIB_EXTRAVER" >&6; }
+
+
+
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+
+if test "$enable_static" = "$enable_shared" -a "$enable_static" = "yes"; then
+cat <<EOF
+ Please, do not try to compile static and shared libraries together.
+ See INSTALL file for more details (do not use --enable-shared=yes with
+ --enable-static=yes).
+EOF
+ exit 1
+fi
+
+
+# Check whether --with-configdir was given.
+if test "${with_configdir+set}" = set; then :
+ withval=$with_configdir; confdir="$withval"
+else
+ confdir=""
+fi
+
+if test -z "$confdir"; then
+ eval dir="$datadir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$prefix/share"
+ esac
+ confdir="$dir/alsa"
+fi
+ALSA_CONFIG_DIR="$confdir"
+
+cat >>confdefs.h <<_ACEOF
+#define ALSA_CONFIG_DIR "$confdir"
+_ACEOF
+
+
+
+test "x$exec_prefix" = xNONE && exec_prefix=$prefix
+
+
+# Check whether --with-plugindir was given.
+if test "${with_plugindir+set}" = set; then :
+ withval=$with_plugindir; plugindir="$withval"
+else
+ plugindir=""
+fi
+
+if test -z "$plugindir"; then
+ eval dir="$libdir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$dir"
+ esac
+ plugindir="$dir/$PACKAGE"
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define ALSA_PLUGIN_DIR "$plugindir"
+_ACEOF
+
+ALSA_PLUGIN_DIR="$plugindir"
+
+
+
+# Check whether --with-pkgconfdir was given.
+if test "${with_pkgconfdir+set}" = set; then :
+ withval=$with_pkgconfdir; pkgconfdir="$withval"
+else
+ pkgconfdir=""
+fi
+
+if test -z "$pkgconfdir"; then
+ eval dir="$libdir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$dir"
+ esac
+ pkgconfdir="$dir/pkgconfig"
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define ALSA_PKGCONF_DIR "$pkgconfdir"
+_ACEOF
+
+ALSA_PKGCONF_DIR="$pkgconfdir"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for versioned symbols" >&5
+$as_echo_n "checking for versioned symbols... " >&6; }
+
+# Check whether --with-versioned was given.
+if test "${with_versioned+set}" = set; then :
+ withval=$with_versioned; versioned="$withval"
+else
+ versioned="yes"
+fi
+
+if test "$versioned" = "yes"; then
+ # it seems that GNU ld versions since 2.10 are not broken
+ xres=`grep '^VERSION=' ${srcdir}/ltmain.sh | cut -d = -f 2 | cut -d \" -f 2`
+ major=`echo $xres | cut -d . -f 1`
+ minor=`echo $xres | cut -d . -f 2`
+ pass=0
+ if test $major -eq 1 && test $minor -gt 3; then
+ pass=1
+ else
+ if test $major -gt 1; then
+ pass=1
+ fi
+ fi
+ if test $pass -eq 1; then
+
+$as_echo "#define VERSIONED_SYMBOLS /**/" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: broken libtool - use libtool v1.4+; no versions" >&5
+$as_echo "broken libtool - use libtool v1.4+; no versions" >&6; }
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+ if test x$versioned = xyes; then
+ VERSIONED_SYMBOLS_TRUE=
+ VERSIONED_SYMBOLS_FALSE='#'
+else
+ VERSIONED_SYMBOLS_TRUE='#'
+ VERSIONED_SYMBOLS_FALSE=
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for symbolic-functions" >&5
+$as_echo_n "checking for symbolic-functions... " >&6; }
+# Check whether --enable-symbolic-functions was given.
+if test "${enable_symbolic_functions+set}" = set; then :
+ enableval=$enable_symbolic_functions; symfuncs="$enableval"
+else
+ symfuncs="no"
+fi
+
+if test "$symfuncs" = "yes"; then
+ if ld --help | grep -q -- '-Bsymbolic-functions'; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: not supported by ld" >&5
+$as_echo "not supported by ld" >&6; }
+ symfuncs="no"
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+ if test x"$symfuncs" = xyes; then
+ SYMBOLIC_FUNCTIONS_TRUE=
+ SYMBOLIC_FUNCTIONS_FALSE='#'
+else
+ SYMBOLIC_FUNCTIONS_TRUE='#'
+ SYMBOLIC_FUNCTIONS_FALSE=
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for custom symbol prefixes" >&5
+$as_echo_n "checking for custom symbol prefixes... " >&6; }
+SYMBOL_PREFIX=` \
+ echo "PREFIX=__USER_LABEL_PREFIX__" \
+ | ${CPP-${CC-gcc} -E} - 2>&1 \
+ | ${EGREP-grep} "^PREFIX=" \
+ | ${SED-sed} "s:^PREFIX=::"`
+
+cat >>confdefs.h <<_ACEOF
+#define __SYMBOL_PREFIX "$SYMBOL_PREFIX"
+_ACEOF
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $SYMBOL_PREFIX" >&5
+$as_echo "$SYMBOL_PREFIX" >&6; }
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for debug" >&5
+$as_echo_n "checking for debug... " >&6; }
+
+# Check whether --with-debug was given.
+if test "${with_debug+set}" = set; then :
+ withval=$with_debug; debug="$withval"
+else
+ debug="yes"
+fi
+
+if test "$debug" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+
+$as_echo "#define NDEBUG /**/" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+if test "$debug" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for debug assert" >&5
+$as_echo_n "checking for debug assert... " >&6; }
+ # Check whether --enable-debug-assert was given.
+if test "${enable_debug_assert+set}" = set; then :
+ enableval=$enable_debug_assert; debug_assert="$enableval"
+else
+ debug_assert="no"
+fi
+
+ if test "$debug_assert" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+$as_echo "#define ALSA_DEBUG_ASSERT /**/" >>confdefs.h
+
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ fi
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for tmpdir" >&5
+$as_echo_n "checking for tmpdir... " >&6; }
+
+# Check whether --with-tmpdir was given.
+if test "${with_tmpdir+set}" = set; then :
+ withval=$with_tmpdir; tmpdir="$withval"
+else
+ tmpdir="/tmp"
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tmpdir" >&5
+$as_echo "$tmpdir" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define TMPDIR "$tmpdir"
+_ACEOF
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for softfloat" >&5
+$as_echo_n "checking for softfloat... " >&6; }
+
+# Check whether --with-softfloat was given.
+if test "${with_softfloat+set}" = set; then :
+ withval=$with_softfloat; case "$withval" in
+ y|yes) softfloat=yes ;;
+ *) softfloat=no ;;
+ esac
+fi
+
+if test "$softfloat" = "yes" ; then
+
+$as_echo "#define HAVE_SOFT_FLOAT \"1\"" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ALSA_DEPLIBS=""
+if test "$softfloat" != "yes"; then
+ ALSA_DEPLIBS="-lm"
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libdl" >&5
+$as_echo_n "checking for libdl... " >&6; }
+
+# Check whether --with-libdl was given.
+if test "${with_libdl+set}" = set; then :
+ withval=$with_libdl; have_libdl="$withval"
+else
+ have_libdl="yes"
+fi
+
+HAVE_LIBDL=
+if test "$have_libdl" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlsym in -ldl" >&5
+$as_echo_n "checking for dlsym in -ldl... " >&6; }
+if ${ac_cv_lib_dl_dlsym+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldl $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlsym ();
+int
+main ()
+{
+return dlsym ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dl_dlsym=yes
+else
+ ac_cv_lib_dl_dlsym=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlsym" >&5
+$as_echo "$ac_cv_lib_dl_dlsym" >&6; }
+if test "x$ac_cv_lib_dl_dlsym" = xyes; then :
+ HAVE_LIBDL="yes"
+fi
+
+ if test "$HAVE_LIBDL" = "yes" ; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -ldl"
+
+$as_echo "#define HAVE_LIBDL 1" >>confdefs.h
+
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+ if test "$HAVE_LIBDL" = "yes"; then
+ BUILD_MODULES_TRUE=
+ BUILD_MODULES_FALSE='#'
+else
+ BUILD_MODULES_TRUE='#'
+ BUILD_MODULES_FALSE=
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread" >&5
+$as_echo_n "checking for pthread... " >&6; }
+
+# Check whether --with-pthread was given.
+if test "${with_pthread+set}" = set; then :
+ withval=$with_pthread; have_pthread="$withval"
+else
+ have_pthread="yes"
+fi
+
+if test "$have_pthread" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join in -lpthread" >&5
+$as_echo_n "checking for pthread_join in -lpthread... " >&6; }
+if ${ac_cv_lib_pthread_pthread_join+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthread $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char pthread_join ();
+int
+main ()
+{
+return pthread_join ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_pthread_pthread_join=yes
+else
+ ac_cv_lib_pthread_pthread_join=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_join" >&5
+$as_echo "$ac_cv_lib_pthread_pthread_join" >&6; }
+if test "x$ac_cv_lib_pthread_pthread_join" = xyes; then :
+ HAVE_LIBPTHREAD="yes"
+fi
+
+ if test "$HAVE_LIBPTHREAD" = "yes"; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -lpthread"
+
+$as_echo "#define HAVE_LIBPTHREAD 1" >>confdefs.h
+
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread" >&5
+$as_echo_n "checking for __thread... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) || (__GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ < 2))
+#error gcc has this bug: http://gcc.gnu.org/ml/gcc-bugs/2006-09/msg02275.html
+#endif
+int
+main ()
+{
+static __thread int p = 0
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+$as_echo "#define HAVE___THREAD 1" >>confdefs.h
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for librt" >&5
+$as_echo_n "checking for librt... " >&6; }
+
+# Check whether --with-librt was given.
+if test "${with_librt+set}" = set; then :
+ withval=$with_librt; have_librt="$withval"
+else
+ have_librt="yes"
+fi
+
+if test "$have_librt" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for clock_gettime in -lrt" >&5
+$as_echo_n "checking for clock_gettime in -lrt... " >&6; }
+if ${ac_cv_lib_rt_clock_gettime+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lrt $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char clock_gettime ();
+int
+main ()
+{
+return clock_gettime ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_rt_clock_gettime=yes
+else
+ ac_cv_lib_rt_clock_gettime=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_clock_gettime" >&5
+$as_echo "$ac_cv_lib_rt_clock_gettime" >&6; }
+if test "x$ac_cv_lib_rt_clock_gettime" = xyes; then :
+ HAVE_LIBRT="yes"
+fi
+
+ if test "$HAVE_LIBRT" = "yes" ; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -lrt"
+
+$as_echo "#define HAVE_LIBRT 1" >>confdefs.h
+
+
+$as_echo "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
+
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
+for ac_header in wordexp.h endian.h sys/endian.h
+do :
+ as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for resmgr support" >&5
+$as_echo_n "checking for resmgr support... " >&6; }
+# Check whether --enable-resmgr was given.
+if test "${enable_resmgr+set}" = set; then :
+ enableval=$enable_resmgr; resmgr="$enableval"
+else
+ resmgr="no"
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $resmgr" >&5
+$as_echo "$resmgr" >&6; }
+if test "$resmgr" = "yes"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rsm_open_device in -lresmgr" >&5
+$as_echo_n "checking for rsm_open_device in -lresmgr... " >&6; }
+if ${ac_cv_lib_resmgr_rsm_open_device+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lresmgr $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char rsm_open_device ();
+int
+main ()
+{
+return rsm_open_device ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_resmgr_rsm_open_device=yes
+else
+ ac_cv_lib_resmgr_rsm_open_device=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resmgr_rsm_open_device" >&5
+$as_echo "$ac_cv_lib_resmgr_rsm_open_device" >&6; }
+if test "x$ac_cv_lib_resmgr_rsm_open_device" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBRESMGR 1
+_ACEOF
+
+ LIBS="-lresmgr $LIBS"
+
+else
+ as_fn_error $? "Cannot find libresmgr" "$LINENO" 5
+fi
+
+
+$as_echo "#define SUPPORT_RESMGR \"1\"" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for aload* support" >&5
+$as_echo_n "checking for aload* support... " >&6; }
+# Check whether --enable-aload was given.
+if test "${enable_aload+set}" = set; then :
+ enableval=$enable_aload; aload="$enableval"
+else
+ aload="yes"
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $aload" >&5
+$as_echo "$aload" >&6; }
+if test "$aload" = "yes"; then
+
+$as_echo "#define SUPPORT_ALOAD \"1\"" >>confdefs.h
+
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ALSA device file directory" >&5
+$as_echo_n "checking for ALSA device file directory... " >&6; }
+
+# Check whether --with-alsa-devdir was given.
+if test "${with_alsa_devdir+set}" = set; then :
+ withval=$with_alsa_devdir; alsa_dev_dir="$withval"
+else
+ alsa_dev_dir="/dev/snd"
+fi
+
+if echo "$alsa_dev_dir" | grep -v '/$' > /dev/null; then
+ alsa_dev_dir="$alsa_dev_dir/"
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define ALSA_DEVICE_DIRECTORY "$alsa_dev_dir"
+_ACEOF
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $alsa_dev_dir" >&5
+$as_echo "$alsa_dev_dir" >&6; }
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for aload* device file directory" >&5
+$as_echo_n "checking for aload* device file directory... " >&6; }
+
+# Check whether --with-aload-devdir was given.
+if test "${with_aload_devdir+set}" = set; then :
+ withval=$with_aload_devdir; aload_dev_dir="$withval"
+else
+ aload_dev_dir="/dev"
+fi
+
+if echo "$aload_dev_dir" | grep -v '/$' > /dev/null; then
+ aload_dev_dir="$aload_dev_dir/"
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define ALOAD_DEVICE_DIRECTORY "$aload_dev_dir"
+_ACEOF
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $aload_dev_dir" >&5
+$as_echo "$aload_dev_dir" >&6; }
+
+# Check whether --enable-mixer was given.
+if test "${enable_mixer+set}" = set; then :
+ enableval=$enable_mixer; build_mixer="$enableval"
+else
+ build_mixer="yes"
+fi
+
+# Check whether --enable-pcm was given.
+if test "${enable_pcm+set}" = set; then :
+ enableval=$enable_pcm; build_pcm="$enableval"
+else
+ build_pcm="yes"
+fi
+
+# Check whether --enable-rawmidi was given.
+if test "${enable_rawmidi+set}" = set; then :
+ enableval=$enable_rawmidi; build_rawmidi="$enableval"
+else
+ build_rawmidi="yes"
+fi
+
+# Check whether --enable-hwdep was given.
+if test "${enable_hwdep+set}" = set; then :
+ enableval=$enable_hwdep; build_hwdep="$enableval"
+else
+ build_hwdep="yes"
+fi
+
+# Check whether --enable-seq was given.
+if test "${enable_seq+set}" = set; then :
+ enableval=$enable_seq; build_seq="$enableval"
+else
+ build_seq="yes"
+fi
+
+# Check whether --enable-ucm was given.
+if test "${enable_ucm+set}" = set; then :
+ enableval=$enable_ucm; build_ucm="$enableval"
+else
+ build_ucm="yes"
+fi
+
+# Check whether --enable-alisp was given.
+if test "${enable_alisp+set}" = set; then :
+ enableval=$enable_alisp; build_alisp="$enableval"
+else
+ build_alisp="yes"
+fi
+
+test "$softfloat" = "yes" && build_alisp="no"
+# Check whether --enable-old-symbols was given.
+if test "${enable_old_symbols+set}" = set; then :
+ enableval=$enable_old_symbols; keep_old_symbols="$enableval"
+else
+ keep_old_symbols="yes"
+fi
+
+ if test x$keep_old_symbols = xyes; then
+ KEEP_OLD_SYMBOLS_TRUE=
+ KEEP_OLD_SYMBOLS_FALSE='#'
+else
+ KEEP_OLD_SYMBOLS_TRUE='#'
+ KEEP_OLD_SYMBOLS_FALSE=
+fi
+
+
+# Check whether --enable-python was given.
+if test "${enable_python+set}" = set; then :
+ enableval=$enable_python; build_python="$enableval"
+else
+ build_python="yes"
+fi
+
+PYTHON_LIBS=""
+PYTHON_INCLUDES=""
+if test "$build_python" = "yes"; then
+
+# Check whether --with-pythonlibs was given.
+if test "${with_pythonlibs+set}" = set; then :
+ withval=$with_pythonlibs; pythonlibs="$withval"
+else
+ pythonlibs=`python-config --libs`
+fi
+
+
+# Check whether --with-pythonincludes was given.
+if test "${with_pythonincludes+set}" = set; then :
+ withval=$with_pythonincludes; pythonincludes="$withval"
+else
+ pythonincludes=`python-config --includes`
+fi
+
+ if test -z "$pythonlibs"; then
+ echo "Unable to determine python libraries! Probably python-config is not"
+ echo "available on this system. Please, use --with-pythonlibs and"
+ echo "--with-pythonincludes options. Python components are disabled in this build."
+ build_python="no"
+ else
+ PYTHON_LIBS="$pythonlibs"
+ PYTHON_INCLUDES="$pythonincludes"
+ fi
+fi
+
+
+
+ if test x$build_mixer = xyes; then
+ BUILD_MIXER_TRUE=
+ BUILD_MIXER_FALSE='#'
+else
+ BUILD_MIXER_TRUE='#'
+ BUILD_MIXER_FALSE=
+fi
+
+ if test x$build_pcm = xyes; then
+ BUILD_PCM_TRUE=
+ BUILD_PCM_FALSE='#'
+else
+ BUILD_PCM_TRUE='#'
+ BUILD_PCM_FALSE=
+fi
+
+ if test x$build_rawmidi = xyes; then
+ BUILD_RAWMIDI_TRUE=
+ BUILD_RAWMIDI_FALSE='#'
+else
+ BUILD_RAWMIDI_TRUE='#'
+ BUILD_RAWMIDI_FALSE=
+fi
+
+ if test x$build_hwdep = xyes; then
+ BUILD_HWDEP_TRUE=
+ BUILD_HWDEP_FALSE='#'
+else
+ BUILD_HWDEP_TRUE='#'
+ BUILD_HWDEP_FALSE=
+fi
+
+ if test x$build_seq = xyes; then
+ BUILD_SEQ_TRUE=
+ BUILD_SEQ_FALSE='#'
+else
+ BUILD_SEQ_TRUE='#'
+ BUILD_SEQ_FALSE=
+fi
+
+ if test x$build_ucm = xyes; then
+ BUILD_UCM_TRUE=
+ BUILD_UCM_FALSE='#'
+else
+ BUILD_UCM_TRUE='#'
+ BUILD_UCM_FALSE=
+fi
+
+ if test x$build_alisp = xyes; then
+ BUILD_ALISP_TRUE=
+ BUILD_ALISP_FALSE='#'
+else
+ BUILD_ALISP_TRUE='#'
+ BUILD_ALISP_FALSE=
+fi
+
+ if test x$build_python = xyes; then
+ BUILD_PYTHON_TRUE=
+ BUILD_PYTHON_FALSE='#'
+else
+ BUILD_PYTHON_TRUE='#'
+ BUILD_PYTHON_FALSE=
+fi
+
+
+if test "$build_mixer" = "yes"; then
+
+$as_echo "#define BUILD_MIXER \"1\"" >>confdefs.h
+
+fi
+if test "$build_pcm" = "yes"; then
+
+$as_echo "#define BUILD_PCM \"1\"" >>confdefs.h
+
+fi
+if test "$build_rawmidi" = "yes"; then
+
+$as_echo "#define BUILD_RAWMIDI \"1\"" >>confdefs.h
+
+fi
+if test "$build_hwdep" = "yes"; then
+
+$as_echo "#define BUILD_HWDEP \"1\"" >>confdefs.h
+
+fi
+if test "$build_seq" = "yes"; then
+
+$as_echo "#define BUILD_SEQ \"1\"" >>confdefs.h
+
+fi
+if test "$build_ucm" = "yes"; then
+
+$as_echo "#define BUILD_UCM \"1\"" >>confdefs.h
+
+fi
+
+
+if test "$build_pcm" = "yes"; then
+
+# Check whether --with-pcm-plugins was given.
+if test "${with_pcm_plugins+set}" = set; then :
+ withval=$with_pcm_plugins; pcm_plugins="$withval"
+else
+ pcm_plugins="all"
+fi
+
+else
+pcm_plugins=""
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether GCC supports builtin atomic intrinsics" >&5
+$as_echo_n "checking whether GCC supports builtin atomic intrinsics... " >&6; }
+if test -z "$gcc_have_atomics"; then
+ gcc_have_atomics=no
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+int i;
+ __atomic_load_n(&i, __ATOMIC_SEQ_CST);
+ __atomic_add_fetch(&i, 0, __ATOMIC_SEQ_CST);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gcc_have_atomics=yes
+else
+ gcc_have_atomics=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_have_atomics" >&5
+$as_echo "$gcc_have_atomics" >&6; }
+
+PCM_PLUGIN_LIST="copy linear route mulaw alaw adpcm rate plug multi shm file null empty share meter hooks lfloat ladspa dmix dshare dsnoop asym iec958 softvol extplug ioplug mmap_emul"
+
+build_pcm_plugin="no"
+for t in $PCM_PLUGIN_LIST; do
+ eval build_pcm_$t="no"
+done
+
+pcm_plugins=`echo $pcm_plugins | sed 's/,/ /g'`
+for p in $pcm_plugins; do
+ for t in $PCM_PLUGIN_LIST; do
+ if test "$p" = "$t" -o "$p" = "all"; then
+ eval build_pcm_$t="yes"
+ build_pcm_plugin="yes"
+ fi
+ done
+done
+
+if test "$build_pcm_plug" = "yes"; then
+ build_pcm_linear="yes"
+ build_pcm_copy="yes"
+fi
+
+if test "$build_pcm_ioplug" = "yes"; then
+ build_pcm_extplug="yes"
+fi
+
+if test "$HAVE_LIBDL" != "yes"; then
+ build_pcm_meter="no"
+ build_pcm_ladspa="no"
+ build_pcm_pcm_ioplug="no"
+ build_pcm_pcm_extplug="no"
+fi
+
+if test "$HAVE_LIBPTHREAD" != "yes"; then
+ build_pcm_share="no"
+fi
+
+if test "$softfloat" = "yes"; then
+ build_pcm_lfloat="no"
+ build_pcm_ladspa="no"
+fi
+
+if test "$gcc_have_atomics" != "yes"; then
+ build_pcm_meter="no"
+fi
+
+ if test x$build_pcm_plugin = xyes; then
+ BUILD_PCM_PLUGIN_TRUE=
+ BUILD_PCM_PLUGIN_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_TRUE='#'
+ BUILD_PCM_PLUGIN_FALSE=
+fi
+
+ if test x$build_pcm_copy = xyes; then
+ BUILD_PCM_PLUGIN_COPY_TRUE=
+ BUILD_PCM_PLUGIN_COPY_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_COPY_TRUE='#'
+ BUILD_PCM_PLUGIN_COPY_FALSE=
+fi
+
+ if test x$build_pcm_linear = xyes; then
+ BUILD_PCM_PLUGIN_LINEAR_TRUE=
+ BUILD_PCM_PLUGIN_LINEAR_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_LINEAR_TRUE='#'
+ BUILD_PCM_PLUGIN_LINEAR_FALSE=
+fi
+
+ if test x$build_pcm_route = xyes; then
+ BUILD_PCM_PLUGIN_ROUTE_TRUE=
+ BUILD_PCM_PLUGIN_ROUTE_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_ROUTE_TRUE='#'
+ BUILD_PCM_PLUGIN_ROUTE_FALSE=
+fi
+
+ if test x$build_pcm_mulaw = xyes; then
+ BUILD_PCM_PLUGIN_MULAW_TRUE=
+ BUILD_PCM_PLUGIN_MULAW_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_MULAW_TRUE='#'
+ BUILD_PCM_PLUGIN_MULAW_FALSE=
+fi
+
+ if test x$build_pcm_alaw = xyes; then
+ BUILD_PCM_PLUGIN_ALAW_TRUE=
+ BUILD_PCM_PLUGIN_ALAW_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_ALAW_TRUE='#'
+ BUILD_PCM_PLUGIN_ALAW_FALSE=
+fi
+
+ if test x$build_pcm_adpcm = xyes; then
+ BUILD_PCM_PLUGIN_ADPCM_TRUE=
+ BUILD_PCM_PLUGIN_ADPCM_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_ADPCM_TRUE='#'
+ BUILD_PCM_PLUGIN_ADPCM_FALSE=
+fi
+
+ if test x$build_pcm_rate = xyes; then
+ BUILD_PCM_PLUGIN_RATE_TRUE=
+ BUILD_PCM_PLUGIN_RATE_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_RATE_TRUE='#'
+ BUILD_PCM_PLUGIN_RATE_FALSE=
+fi
+
+ if test x$build_pcm_plug = xyes; then
+ BUILD_PCM_PLUGIN_PLUG_TRUE=
+ BUILD_PCM_PLUGIN_PLUG_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_PLUG_TRUE='#'
+ BUILD_PCM_PLUGIN_PLUG_FALSE=
+fi
+
+ if test x$build_pcm_multi = xyes; then
+ BUILD_PCM_PLUGIN_MULTI_TRUE=
+ BUILD_PCM_PLUGIN_MULTI_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_MULTI_TRUE='#'
+ BUILD_PCM_PLUGIN_MULTI_FALSE=
+fi
+
+ if test x$build_pcm_shm = xyes; then
+ BUILD_PCM_PLUGIN_SHM_TRUE=
+ BUILD_PCM_PLUGIN_SHM_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_SHM_TRUE='#'
+ BUILD_PCM_PLUGIN_SHM_FALSE=
+fi
+
+ if test x$build_pcm_file = xyes; then
+ BUILD_PCM_PLUGIN_FILE_TRUE=
+ BUILD_PCM_PLUGIN_FILE_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_FILE_TRUE='#'
+ BUILD_PCM_PLUGIN_FILE_FALSE=
+fi
+
+ if test x$build_pcm_null = xyes; then
+ BUILD_PCM_PLUGIN_NULL_TRUE=
+ BUILD_PCM_PLUGIN_NULL_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_NULL_TRUE='#'
+ BUILD_PCM_PLUGIN_NULL_FALSE=
+fi
+
+ if test x$build_pcm_empty = xyes; then
+ BUILD_PCM_PLUGIN_EMPTY_TRUE=
+ BUILD_PCM_PLUGIN_EMPTY_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_EMPTY_TRUE='#'
+ BUILD_PCM_PLUGIN_EMPTY_FALSE=
+fi
+
+ if test x$build_pcm_share = xyes; then
+ BUILD_PCM_PLUGIN_SHARE_TRUE=
+ BUILD_PCM_PLUGIN_SHARE_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_SHARE_TRUE='#'
+ BUILD_PCM_PLUGIN_SHARE_FALSE=
+fi
+
+ if test x$build_pcm_meter = xyes; then
+ BUILD_PCM_PLUGIN_METER_TRUE=
+ BUILD_PCM_PLUGIN_METER_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_METER_TRUE='#'
+ BUILD_PCM_PLUGIN_METER_FALSE=
+fi
+
+ if test x$build_pcm_hooks = xyes; then
+ BUILD_PCM_PLUGIN_HOOKS_TRUE=
+ BUILD_PCM_PLUGIN_HOOKS_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_HOOKS_TRUE='#'
+ BUILD_PCM_PLUGIN_HOOKS_FALSE=
+fi
+
+ if test x$build_pcm_lfloat = xyes; then
+ BUILD_PCM_PLUGIN_LFLOAT_TRUE=
+ BUILD_PCM_PLUGIN_LFLOAT_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_LFLOAT_TRUE='#'
+ BUILD_PCM_PLUGIN_LFLOAT_FALSE=
+fi
+
+ if test x$build_pcm_ladspa = xyes; then
+ BUILD_PCM_PLUGIN_LADSPA_TRUE=
+ BUILD_PCM_PLUGIN_LADSPA_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_LADSPA_TRUE='#'
+ BUILD_PCM_PLUGIN_LADSPA_FALSE=
+fi
+
+ if test x$build_pcm_dmix = xyes; then
+ BUILD_PCM_PLUGIN_DMIX_TRUE=
+ BUILD_PCM_PLUGIN_DMIX_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_DMIX_TRUE='#'
+ BUILD_PCM_PLUGIN_DMIX_FALSE=
+fi
+
+ if test x$build_pcm_dshare = xyes; then
+ BUILD_PCM_PLUGIN_DSHARE_TRUE=
+ BUILD_PCM_PLUGIN_DSHARE_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_DSHARE_TRUE='#'
+ BUILD_PCM_PLUGIN_DSHARE_FALSE=
+fi
+
+ if test x$build_pcm_dsnoop = xyes; then
+ BUILD_PCM_PLUGIN_DSNOOP_TRUE=
+ BUILD_PCM_PLUGIN_DSNOOP_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_DSNOOP_TRUE='#'
+ BUILD_PCM_PLUGIN_DSNOOP_FALSE=
+fi
+
+ if test x$build_pcm_asym = xyes; then
+ BUILD_PCM_PLUGIN_ASYM_TRUE=
+ BUILD_PCM_PLUGIN_ASYM_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_ASYM_TRUE='#'
+ BUILD_PCM_PLUGIN_ASYM_FALSE=
+fi
+
+ if test x$build_pcm_iec958 = xyes; then
+ BUILD_PCM_PLUGIN_IEC958_TRUE=
+ BUILD_PCM_PLUGIN_IEC958_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_IEC958_TRUE='#'
+ BUILD_PCM_PLUGIN_IEC958_FALSE=
+fi
+
+ if test x$build_pcm_softvol = xyes; then
+ BUILD_PCM_PLUGIN_SOFTVOL_TRUE=
+ BUILD_PCM_PLUGIN_SOFTVOL_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_SOFTVOL_TRUE='#'
+ BUILD_PCM_PLUGIN_SOFTVOL_FALSE=
+fi
+
+ if test x$build_pcm_extplug = xyes; then
+ BUILD_PCM_PLUGIN_EXTPLUG_TRUE=
+ BUILD_PCM_PLUGIN_EXTPLUG_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_EXTPLUG_TRUE='#'
+ BUILD_PCM_PLUGIN_EXTPLUG_FALSE=
+fi
+
+ if test x$build_pcm_ioplug = xyes; then
+ BUILD_PCM_PLUGIN_IOPLUG_TRUE=
+ BUILD_PCM_PLUGIN_IOPLUG_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_IOPLUG_TRUE='#'
+ BUILD_PCM_PLUGIN_IOPLUG_FALSE=
+fi
+
+ if test x$build_pcm_mmap_emul = xyes; then
+ BUILD_PCM_PLUGIN_MMAP_EMUL_TRUE=
+ BUILD_PCM_PLUGIN_MMAP_EMUL_FALSE='#'
+else
+ BUILD_PCM_PLUGIN_MMAP_EMUL_TRUE='#'
+ BUILD_PCM_PLUGIN_MMAP_EMUL_FALSE=
+fi
+
+
+if test "$build_pcm_rate" = "yes"; then
+
+$as_echo "#define BUILD_PCM_PLUGIN_RATE \"1\"" >>confdefs.h
+
+fi
+if test "$build_pcm_route" = "yes"; then
+
+$as_echo "#define BUILD_PCM_PLUGIN_ROUTE \"1\"" >>confdefs.h
+
+fi
+if test "$build_pcm_lfloat" = "yes"; then
+
+$as_echo "#define BUILD_PCM_PLUGIN_LFLOAT \"1\"" >>confdefs.h
+
+fi
+if test "$build_pcm_adpcm" = "yes"; then
+
+$as_echo "#define BUILD_PCM_PLUGIN_ADPCM \"1\"" >>confdefs.h
+
+fi
+if test "$build_pcm_mulaw" = "yes"; then
+
+$as_echo "#define BUILD_PCM_PLUGIN_MULAW \"1\"" >>confdefs.h
+
+fi
+if test "$build_pcm_alaw" = "yes"; then
+
+$as_echo "#define BUILD_PCM_PLUGIN_ALAW \"1\"" >>confdefs.h
+
+fi
+if test "$build_pcm_mmap_emul" = "yes"; then
+
+$as_echo "#define BUILD_PCM_PLUGIN_MMAP_EMUL \"1\"" >>confdefs.h
+
+fi
+
+
+rm -f "$srcdir"/src/pcm/pcm_symbols_list.c
+touch "$srcdir"/src/pcm/pcm_symbols_list.c
+for t in $PCM_PLUGIN_LIST; do
+ if eval test \$build_pcm_$t = yes; then
+ echo \&_snd_module_pcm_$t, >> "$srcdir"/src/pcm/pcm_symbols_list.c
+ fi
+done
+
+
+
+# Check whether --with-ctl-plugins was given.
+if test "${with_ctl_plugins+set}" = set; then :
+ withval=$with_ctl_plugins; ctl_plugins="$withval"
+else
+ ctl_plugins="all"
+fi
+
+
+CTL_PLUGIN_LIST="shm ext"
+
+build_ctl_plugin="no"
+for t in $CTL_PLUGIN_LIST; do
+ eval build_ctl_$t="no"
+done
+
+ctl_plugins=`echo $ctl_plugins | sed 's/,/ /g'`
+for p in $ctl_plugins; do
+ for t in $CTL_PLUGIN_LIST; do
+ if test "$p" = "$t" -o "$p" = "all"; then
+ eval build_ctl_$t="yes"
+ build_ctl_plugin="yes"
+ fi
+ done
+done
+
+ if test x$build_ctl_plugin = xyes; then
+ BUILD_CTL_PLUGIN_TRUE=
+ BUILD_CTL_PLUGIN_FALSE='#'
+else
+ BUILD_CTL_PLUGIN_TRUE='#'
+ BUILD_CTL_PLUGIN_FALSE=
+fi
+
+ if test x$build_ctl_shm = xyes; then
+ BUILD_CTL_PLUGIN_SHM_TRUE=
+ BUILD_CTL_PLUGIN_SHM_FALSE='#'
+else
+ BUILD_CTL_PLUGIN_SHM_TRUE='#'
+ BUILD_CTL_PLUGIN_SHM_FALSE=
+fi
+
+ if test x$build_ctl_ext = xyes; then
+ BUILD_CTL_PLUGIN_EXT_TRUE=
+ BUILD_CTL_PLUGIN_EXT_FALSE='#'
+else
+ BUILD_CTL_PLUGIN_EXT_TRUE='#'
+ BUILD_CTL_PLUGIN_EXT_FALSE=
+fi
+
+
+rm -f "$srcdir"/src/control/ctl_symbols_list.c
+touch "$srcdir"/src/control/ctl_symbols_list.c
+for t in $CTL_PLUGIN_LIST; do
+ if eval test \$build_ctl_$t = yes; then
+ echo \&_snd_module_control_$t, >> "$srcdir"/src/control/ctl_symbols_list.c
+ fi
+done
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for max number of cards" >&5
+$as_echo_n "checking for max number of cards... " >&6; }
+
+# Check whether --with-max-cards was given.
+if test "${with_max_cards+set}" = set; then :
+ withval=$with_max_cards; max_cards="$withval"
+else
+ max_cards="32"
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $max_cards" >&5
+$as_echo "$max_cards" >&6; }
+
+if test "$max_cards" -lt 1; then
+ as_fn_error $? "Invalid max cards $max_cards" "$LINENO" 5
+elif test "$max_cards" -gt 256; then
+ as_fn_error $? "Invalid max cards $max_cards" "$LINENO" 5
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define SND_MAX_CARDS $max_cards
+_ACEOF
+
+
+if test ! -L "$srcdir"/include/alsa ; then
+ echo "Making a symlink include/alsa"
+ rm -f "$srcdir"/include/alsa
+ ln -sf . "$srcdir"/include/alsa
+fi
+
+ac_config_files="$ac_config_files Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg include/Makefile include/sound/Makefile src/Versions src/Makefile src/control/Makefile src/mixer/Makefile src/pcm/Makefile src/pcm/scopes/Makefile src/rawmidi/Makefile src/timer/Makefile src/hwdep/Makefile src/seq/Makefile src/ucm/Makefile src/alisp/Makefile src/conf/Makefile src/conf/alsa.conf.d/Makefile src/conf/cards/Makefile src/conf/pcm/Makefile src/conf/ucm/Makefile src/conf/ucm/DAISY-I2S/Makefile src/conf/ucm/PandaBoard/Makefile src/conf/ucm/PandaBoardES/Makefile src/conf/ucm/SDP4430/Makefile src/conf/ucm/tegraalc5632/Makefile src/conf/ucm/PAZ00/Makefile src/conf/ucm/GoogleNyan/Makefile modules/Makefile modules/mixer/Makefile modules/mixer/simple/Makefile alsalisp/Makefile aserver/Makefile test/Makefile test/lsb/Makefile utils/Makefile utils/alsa-lib.spec utils/alsa.pc"
+
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems. If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(
+ for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
+ eval ac_val=\$$ac_var
+ case $ac_val in #(
+ *${as_nl}*)
+ case $ac_var in #(
+ *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+ esac
+ case $ac_var in #(
+ _ | IFS | as_nl) ;; #(
+ BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
+ *) { eval $ac_var=; unset $ac_var;} ;;
+ esac ;;
+ esac
+ done
+
+ (set) 2>&1 |
+ case $as_nl`(ac_space=' '; set) 2>&1` in #(
+ *${as_nl}ac_space=\ *)
+ # `set' does not quote correctly, so add quotes: double-quote
+ # substitution turns \\\\ into \\, and sed turns \\ into \.
+ sed -n \
+ "s/'/'\\\\''/g;
+ s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+ ;; #(
+ *)
+ # `set' quotes correctly as required by POSIX, so do not add quotes.
+ sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
+ ;;
+ esac |
+ sort
+) |
+ sed '
+ /^ac_cv_env_/b end
+ t clear
+ :clear
+ s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+ t end
+ s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+ :end' >>confcache
+if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
+ if test -w "$cache_file"; then
+ if test "x$cache_file" != "x/dev/null"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+$as_echo "$as_me: updating cache $cache_file" >&6;}
+ if test ! -f "$cache_file" || test -h "$cache_file"; then
+ cat confcache >"$cache_file"
+ else
+ case $cache_file in #(
+ */* | ?:*)
+ mv -f confcache "$cache_file"$$ &&
+ mv -f "$cache_file"$$ "$cache_file" ;; #(
+ *)
+ mv -f confcache "$cache_file" ;;
+ esac
+ fi
+ fi
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
+ fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+U=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+ # 1. Remove the extension, and $U if already installed.
+ ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
+ ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
+ # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR
+ # will be set to the directory where LIBOBJS objects are built.
+ as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+ as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
+$as_echo_n "checking that generated files are newer than configure... " >&6; }
+ if test -n "$am_sleep_pid"; then
+ # Hide warnings about reused PIDs.
+ wait $am_sleep_pid 2>/dev/null
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5
+$as_echo "done" >&6; }
+ if test -n "$EXEEXT"; then
+ am__EXEEXT_TRUE=
+ am__EXEEXT_FALSE='#'
+else
+ am__EXEEXT_TRUE='#'
+ am__EXEEXT_FALSE=
+fi
+
+if test -z "${INSTALL_M4_TRUE}" && test -z "${INSTALL_M4_FALSE}"; then
+ as_fn_error $? "conditional \"INSTALL_M4\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
+ as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
+ as_fn_error $? "conditional \"AMDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
+ as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${VERSIONED_SYMBOLS_TRUE}" && test -z "${VERSIONED_SYMBOLS_FALSE}"; then
+ as_fn_error $? "conditional \"VERSIONED_SYMBOLS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${SYMBOLIC_FUNCTIONS_TRUE}" && test -z "${SYMBOLIC_FUNCTIONS_FALSE}"; then
+ as_fn_error $? "conditional \"SYMBOLIC_FUNCTIONS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_MODULES_TRUE}" && test -z "${BUILD_MODULES_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_MODULES\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${KEEP_OLD_SYMBOLS_TRUE}" && test -z "${KEEP_OLD_SYMBOLS_FALSE}"; then
+ as_fn_error $? "conditional \"KEEP_OLD_SYMBOLS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_MIXER_TRUE}" && test -z "${BUILD_MIXER_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_MIXER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_TRUE}" && test -z "${BUILD_PCM_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_RAWMIDI_TRUE}" && test -z "${BUILD_RAWMIDI_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_RAWMIDI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_HWDEP_TRUE}" && test -z "${BUILD_HWDEP_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_HWDEP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_SEQ_TRUE}" && test -z "${BUILD_SEQ_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_SEQ\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_UCM_TRUE}" && test -z "${BUILD_UCM_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_UCM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_ALISP_TRUE}" && test -z "${BUILD_ALISP_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_ALISP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PYTHON_TRUE}" && test -z "${BUILD_PYTHON_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PYTHON\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_TRUE}" && test -z "${BUILD_PCM_PLUGIN_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_COPY_TRUE}" && test -z "${BUILD_PCM_PLUGIN_COPY_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_COPY\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_LINEAR_TRUE}" && test -z "${BUILD_PCM_PLUGIN_LINEAR_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_LINEAR\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_ROUTE_TRUE}" && test -z "${BUILD_PCM_PLUGIN_ROUTE_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_ROUTE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_MULAW_TRUE}" && test -z "${BUILD_PCM_PLUGIN_MULAW_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_MULAW\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_ALAW_TRUE}" && test -z "${BUILD_PCM_PLUGIN_ALAW_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_ALAW\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_ADPCM_TRUE}" && test -z "${BUILD_PCM_PLUGIN_ADPCM_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_ADPCM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_RATE_TRUE}" && test -z "${BUILD_PCM_PLUGIN_RATE_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_RATE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_PLUG_TRUE}" && test -z "${BUILD_PCM_PLUGIN_PLUG_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_PLUG\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_MULTI_TRUE}" && test -z "${BUILD_PCM_PLUGIN_MULTI_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_MULTI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_SHM_TRUE}" && test -z "${BUILD_PCM_PLUGIN_SHM_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_SHM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_FILE_TRUE}" && test -z "${BUILD_PCM_PLUGIN_FILE_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_FILE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_NULL_TRUE}" && test -z "${BUILD_PCM_PLUGIN_NULL_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_NULL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_EMPTY_TRUE}" && test -z "${BUILD_PCM_PLUGIN_EMPTY_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_EMPTY\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_SHARE_TRUE}" && test -z "${BUILD_PCM_PLUGIN_SHARE_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_SHARE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_METER_TRUE}" && test -z "${BUILD_PCM_PLUGIN_METER_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_METER\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_HOOKS_TRUE}" && test -z "${BUILD_PCM_PLUGIN_HOOKS_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_HOOKS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_LFLOAT_TRUE}" && test -z "${BUILD_PCM_PLUGIN_LFLOAT_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_LFLOAT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_LADSPA_TRUE}" && test -z "${BUILD_PCM_PLUGIN_LADSPA_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_LADSPA\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_DMIX_TRUE}" && test -z "${BUILD_PCM_PLUGIN_DMIX_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_DMIX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_DSHARE_TRUE}" && test -z "${BUILD_PCM_PLUGIN_DSHARE_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_DSHARE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_DSNOOP_TRUE}" && test -z "${BUILD_PCM_PLUGIN_DSNOOP_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_DSNOOP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_ASYM_TRUE}" && test -z "${BUILD_PCM_PLUGIN_ASYM_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_ASYM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_IEC958_TRUE}" && test -z "${BUILD_PCM_PLUGIN_IEC958_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_IEC958\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_SOFTVOL_TRUE}" && test -z "${BUILD_PCM_PLUGIN_SOFTVOL_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_SOFTVOL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_EXTPLUG_TRUE}" && test -z "${BUILD_PCM_PLUGIN_EXTPLUG_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_EXTPLUG\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_IOPLUG_TRUE}" && test -z "${BUILD_PCM_PLUGIN_IOPLUG_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_IOPLUG\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_PCM_PLUGIN_MMAP_EMUL_TRUE}" && test -z "${BUILD_PCM_PLUGIN_MMAP_EMUL_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_PCM_PLUGIN_MMAP_EMUL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_CTL_PLUGIN_TRUE}" && test -z "${BUILD_CTL_PLUGIN_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_CTL_PLUGIN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_CTL_PLUGIN_SHM_TRUE}" && test -z "${BUILD_CTL_PLUGIN_SHM_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_CTL_PLUGIN_SHM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${BUILD_CTL_PLUGIN_EXT_TRUE}" && test -z "${BUILD_CTL_PLUGIN_EXT_FALSE}"; then
+ as_fn_error $? "conditional \"BUILD_CTL_PLUGIN_EXT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+
+: "${CONFIG_STATUS=./config.status}"
+ac_write_fail=0
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
+
+# Be more Bourne compatible
+DUALCASE=1; export DUALCASE # for MKS sh
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
+ emulate sh
+ NULLCMD=:
+ # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in #(
+ *posix*) :
+ set -o posix ;; #(
+ *) :
+ ;;
+esac
+fi
+
+
+as_nl='
+'
+export as_nl
+# Printing a long string crashes Solaris 7 /usr/bin/printf.
+as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
+as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+ && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+ as_echo='print -r --'
+ as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+ as_echo='printf %s\n'
+ as_echo_n='printf %s'
+else
+ if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
+ as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
+ as_echo_n='/usr/ucb/echo -n'
+ else
+ as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
+ as_echo_n_body='eval
+ arg=$1;
+ case $arg in #(
+ *"$as_nl"*)
+ expr "X$arg" : "X\\(.*\\)$as_nl";
+ arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
+ esac;
+ expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
+ '
+ export as_echo_n_body
+ as_echo_n='sh -c $as_echo_n_body as_echo'
+ fi
+ export as_echo_body
+ as_echo='sh -c $as_echo_body as_echo'
+fi
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ PATH_SEPARATOR=:
+ (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
+ (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
+ PATH_SEPARATOR=';'
+ }
+fi
+
+
+# IFS
+# We need space, tab and new line, in precisely that order. Quoting is
+# there to prevent editors from complaining about space-tab.
+# (If _AS_PATH_WALK were called with IFS unset, it would disable word
+# splitting by setting IFS to empty value.)
+IFS=" "" $as_nl"
+
+# Find who we are. Look in the path if we contain no directory separator.
+as_myself=
+case $0 in #((
+ *[\\/]* ) as_myself=$0 ;;
+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+ done
+IFS=$as_save_IFS
+
+ ;;
+esac
+# We did not find ourselves, most probably we were run as `sh COMMAND'
+# in which case we are not to be found in the path.
+if test "x$as_myself" = x; then
+ as_myself=$0
+fi
+if test ! -f "$as_myself"; then
+ $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+ exit 1
+fi
+
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there. '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+ && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
+done
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+LC_ALL=C
+export LC_ALL
+LANGUAGE=C
+export LANGUAGE
+
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+ as_status=$1; test $as_status -eq 0 && as_status=1
+ if test "$4"; then
+ as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+ fi
+ $as_echo "$as_me: error: $2" >&2
+ as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+ return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+ set +e
+ as_fn_set_status $1
+ exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+ { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+ eval 'as_fn_append ()
+ {
+ eval $1+=\$2
+ }'
+else
+ as_fn_append ()
+ {
+ eval $1=\$$1\$2
+ }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+ eval 'as_fn_arith ()
+ {
+ as_val=$(( $* ))
+ }'
+else
+ as_fn_arith ()
+ {
+ as_val=`expr "$@" || test $? -eq 1`
+ }
+fi # as_fn_arith
+
+
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+ test "X`expr 00001 : '.*\(...\)'`" = X001; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+ as_basename=basename
+else
+ as_basename=false
+fi
+
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+ as_dirname=dirname
+else
+ as_dirname=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+ sed '/^.*\/\([^/][^/]*\)\/*$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\/\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+ case `echo 'xy\c'` in
+ *c*) ECHO_T=' ';; # ECHO_T is single tab character.
+ xy) ECHO_C='\c';;
+ *) echo `echo ksh88 bug on AIX 6.1` > /dev/null
+ ECHO_T=' ';;
+ esac;;
+*)
+ ECHO_N='-n';;
+esac
+
+rm -f conf$$ conf$$.exe conf$$.file
+if test -d conf$$.dir; then
+ rm -f conf$$.dir/conf$$.file
+else
+ rm -f conf$$.dir
+ mkdir conf$$.dir 2>/dev/null
+fi
+if (echo >conf$$.file) 2>/dev/null; then
+ if ln -s conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s='ln -s'
+ # ... but there are two gotchas:
+ # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+ # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+ # In both cases, we have to default to `cp -pR'.
+ ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+ as_ln_s='cp -pR'
+ elif ln conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s=ln
+ else
+ as_ln_s='cp -pR'
+ fi
+else
+ as_ln_s='cp -pR'
+fi
+rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+rmdir conf$$.dir 2>/dev/null
+
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+ case $as_dir in #(
+ -*) as_dir=./$as_dir;;
+ esac
+ test -d "$as_dir" || eval $as_mkdir_p || {
+ as_dirs=
+ while :; do
+ case $as_dir in #(
+ *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+ *) as_qdir=$as_dir;;
+ esac
+ as_dirs="'$as_qdir' $as_dirs"
+ as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ test -d "$as_dir" && break
+ done
+ test -z "$as_dirs" || eval "mkdir $as_dirs"
+ } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+if mkdir -p . 2>/dev/null; then
+ as_mkdir_p='mkdir -p "$as_dir"'
+else
+ test -d ./-p && rmdir ./-p
+ as_mkdir_p=false
+fi
+
+
+# as_fn_executable_p FILE
+# -----------------------
+# Test if FILE is an executable regular file.
+as_fn_executable_p ()
+{
+ test -f "$1" && test -x "$1"
+} # as_fn_executable_p
+as_test_x='test -x'
+as_executable_p=as_fn_executable_p
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling.
+ac_log="
+This file was extended by alsa-lib $as_me 1.0.29, which was
+generated by GNU Autoconf 2.69. Invocation command line was
+
+ CONFIG_FILES = $CONFIG_FILES
+ CONFIG_HEADERS = $CONFIG_HEADERS
+ CONFIG_LINKS = $CONFIG_LINKS
+ CONFIG_COMMANDS = $CONFIG_COMMANDS
+ $ $0 $@
+
+on `(hostname || uname -n) 2>/dev/null | sed 1q`
+"
+
+_ACEOF
+
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
+
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
+
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+# Files that config.status was made for.
+config_files="$ac_config_files"
+config_headers="$ac_config_headers"
+config_commands="$ac_config_commands"
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ac_cs_usage="\
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration. Unless the files
+and actions are specified as TAGs, all are instantiated by default.
+
+Usage: $0 [OPTION]... [TAG]...
+
+ -h, --help print this help, then exit
+ -V, --version print version number and configuration settings, then exit
+ --config print configuration, then exit
+ -q, --quiet, --silent
+ do not print progress messages
+ -d, --debug don't remove temporary files
+ --recheck update $as_me by reconfiguring in the same conditions
+ --file=FILE[:TEMPLATE]
+ instantiate the configuration file FILE
+ --header=FILE[:TEMPLATE]
+ instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Configuration commands:
+$config_commands
+
+Report bugs to the package provider."
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+ac_cs_version="\\
+alsa-lib config.status 1.0.29
+configured by $0, generated by GNU Autoconf 2.69,
+ with options \\"\$ac_cs_config\\"
+
+Copyright (C) 2012 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+
+ac_pwd='$ac_pwd'
+srcdir='$srcdir'
+INSTALL='$INSTALL'
+MKDIR_P='$MKDIR_P'
+AWK='$AWK'
+test -n "\$AWK" || AWK=awk
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# The default lists apply if the user does not specify any file.
+ac_need_defaults=:
+while test $# != 0
+do
+ case $1 in
+ --*=?*)
+ ac_option=`expr "X$1" : 'X\([^=]*\)='`
+ ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
+ ac_shift=:
+ ;;
+ --*=)
+ ac_option=`expr "X$1" : 'X\([^=]*\)='`
+ ac_optarg=
+ ac_shift=:
+ ;;
+ *)
+ ac_option=$1
+ ac_optarg=$2
+ ac_shift=shift
+ ;;
+ esac
+
+ case $ac_option in
+ # Handling of the options.
+ -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+ ac_cs_recheck=: ;;
+ --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
+ $as_echo "$ac_cs_version"; exit ;;
+ --config | --confi | --conf | --con | --co | --c )
+ $as_echo "$ac_cs_config"; exit ;;
+ --debug | --debu | --deb | --de | --d | -d )
+ debug=: ;;
+ --file | --fil | --fi | --f )
+ $ac_shift
+ case $ac_optarg in
+ *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ '') as_fn_error $? "missing file argument" ;;
+ esac
+ as_fn_append CONFIG_FILES " '$ac_optarg'"
+ ac_need_defaults=false;;
+ --header | --heade | --head | --hea )
+ $ac_shift
+ case $ac_optarg in
+ *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ as_fn_append CONFIG_HEADERS " '$ac_optarg'"
+ ac_need_defaults=false;;
+ --he | --h)
+ # Conflict between --help and --header
+ as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
+ --help | --hel | -h )
+ $as_echo "$ac_cs_usage"; exit ;;
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil | --si | --s)
+ ac_cs_silent=: ;;
+
+ # This is an error.
+ -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
+
+ *) as_fn_append ac_config_targets " $1"
+ ac_need_defaults=false ;;
+
+ esac
+ shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+ exec 6>/dev/null
+ ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+if \$ac_cs_recheck; then
+ set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+ shift
+ \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+ CONFIG_SHELL='$SHELL'
+ export CONFIG_SHELL
+ exec "\$@"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+exec 5>>config.log
+{
+ echo
+ sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+ $as_echo "$ac_log"
+} >&5
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+#
+# INIT-COMMANDS
+#
+AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+sed_quote_subst='$sed_quote_subst'
+double_quote_subst='$double_quote_subst'
+delay_variable_subst='$delay_variable_subst'
+enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`'
+macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`'
+macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`'
+enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`'
+pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`'
+enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`'
+SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`'
+ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`'
+PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`'
+host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`'
+host='`$ECHO "$host" | $SED "$delay_single_quote_subst"`'
+host_os='`$ECHO "$host_os" | $SED "$delay_single_quote_subst"`'
+build_alias='`$ECHO "$build_alias" | $SED "$delay_single_quote_subst"`'
+build='`$ECHO "$build" | $SED "$delay_single_quote_subst"`'
+build_os='`$ECHO "$build_os" | $SED "$delay_single_quote_subst"`'
+SED='`$ECHO "$SED" | $SED "$delay_single_quote_subst"`'
+Xsed='`$ECHO "$Xsed" | $SED "$delay_single_quote_subst"`'
+GREP='`$ECHO "$GREP" | $SED "$delay_single_quote_subst"`'
+EGREP='`$ECHO "$EGREP" | $SED "$delay_single_quote_subst"`'
+FGREP='`$ECHO "$FGREP" | $SED "$delay_single_quote_subst"`'
+LD='`$ECHO "$LD" | $SED "$delay_single_quote_subst"`'
+NM='`$ECHO "$NM" | $SED "$delay_single_quote_subst"`'
+LN_S='`$ECHO "$LN_S" | $SED "$delay_single_quote_subst"`'
+max_cmd_len='`$ECHO "$max_cmd_len" | $SED "$delay_single_quote_subst"`'
+ac_objext='`$ECHO "$ac_objext" | $SED "$delay_single_quote_subst"`'
+exeext='`$ECHO "$exeext" | $SED "$delay_single_quote_subst"`'
+lt_unset='`$ECHO "$lt_unset" | $SED "$delay_single_quote_subst"`'
+lt_SP2NL='`$ECHO "$lt_SP2NL" | $SED "$delay_single_quote_subst"`'
+lt_NL2SP='`$ECHO "$lt_NL2SP" | $SED "$delay_single_quote_subst"`'
+lt_cv_to_host_file_cmd='`$ECHO "$lt_cv_to_host_file_cmd" | $SED "$delay_single_quote_subst"`'
+lt_cv_to_tool_file_cmd='`$ECHO "$lt_cv_to_tool_file_cmd" | $SED "$delay_single_quote_subst"`'
+reload_flag='`$ECHO "$reload_flag" | $SED "$delay_single_quote_subst"`'
+reload_cmds='`$ECHO "$reload_cmds" | $SED "$delay_single_quote_subst"`'
+OBJDUMP='`$ECHO "$OBJDUMP" | $SED "$delay_single_quote_subst"`'
+deplibs_check_method='`$ECHO "$deplibs_check_method" | $SED "$delay_single_quote_subst"`'
+file_magic_cmd='`$ECHO "$file_magic_cmd" | $SED "$delay_single_quote_subst"`'
+file_magic_glob='`$ECHO "$file_magic_glob" | $SED "$delay_single_quote_subst"`'
+want_nocaseglob='`$ECHO "$want_nocaseglob" | $SED "$delay_single_quote_subst"`'
+DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`'
+sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`'
+AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`'
+AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`'
+archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`'
+STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`'
+RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`'
+old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`'
+old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`'
+old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`'
+lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`'
+CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`'
+CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`'
+compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`'
+GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`'
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`'
+nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`'
+lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`'
+objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`'
+MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`'
+lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`'
+lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`'
+need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`'
+MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`'
+DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`'
+NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`'
+LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`'
+OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`'
+OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`'
+libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`'
+shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`'
+extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`'
+archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`'
+enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`'
+export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`'
+whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`'
+compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`'
+old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`'
+old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`'
+archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`'
+archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`'
+module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`'
+module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`'
+with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`'
+allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`'
+no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`'
+hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`'
+hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`'
+hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`'
+hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`'
+hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`'
+hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`'
+inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`'
+link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`'
+always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`'
+export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`'
+exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`'
+include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`'
+prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`'
+postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`'
+file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`'
+variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`'
+need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`'
+need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`'
+version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`'
+runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`'
+shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`'
+shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`'
+libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`'
+library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`'
+soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`'
+install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`'
+postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`'
+postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`'
+finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`'
+finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`'
+hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`'
+sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`'
+sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`'
+hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`'
+enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`'
+enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`'
+enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`'
+old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`'
+striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`'
+
+LTCC='$LTCC'
+LTCFLAGS='$LTCFLAGS'
+compiler='$compiler_DEFAULT'
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+ eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+
+# Quote evaled strings.
+for var in SHELL \
+ECHO \
+PATH_SEPARATOR \
+SED \
+GREP \
+EGREP \
+FGREP \
+LD \
+NM \
+LN_S \
+lt_SP2NL \
+lt_NL2SP \
+reload_flag \
+OBJDUMP \
+deplibs_check_method \
+file_magic_cmd \
+file_magic_glob \
+want_nocaseglob \
+DLLTOOL \
+sharedlib_from_linklib_cmd \
+AR \
+AR_FLAGS \
+archiver_list_spec \
+STRIP \
+RANLIB \
+CC \
+CFLAGS \
+compiler \
+lt_cv_sys_global_symbol_pipe \
+lt_cv_sys_global_symbol_to_cdecl \
+lt_cv_sys_global_symbol_to_c_name_address \
+lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
+nm_file_list_spec \
+lt_prog_compiler_no_builtin_flag \
+lt_prog_compiler_pic \
+lt_prog_compiler_wl \
+lt_prog_compiler_static \
+lt_cv_prog_compiler_c_o \
+need_locks \
+MANIFEST_TOOL \
+DSYMUTIL \
+NMEDIT \
+LIPO \
+OTOOL \
+OTOOL64 \
+shrext_cmds \
+export_dynamic_flag_spec \
+whole_archive_flag_spec \
+compiler_needs_object \
+with_gnu_ld \
+allow_undefined_flag \
+no_undefined_flag \
+hardcode_libdir_flag_spec \
+hardcode_libdir_separator \
+exclude_expsyms \
+include_expsyms \
+file_list_spec \
+variables_saved_for_relink \
+libname_spec \
+library_names_spec \
+soname_spec \
+install_override_mode \
+finish_eval \
+old_striplib \
+striplib; do
+ case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+ *[\\\\\\\`\\"\\\$]*)
+ eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\""
+ ;;
+ *)
+ eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+ ;;
+ esac
+done
+
+# Double-quote double-evaled strings.
+for var in reload_cmds \
+old_postinstall_cmds \
+old_postuninstall_cmds \
+old_archive_cmds \
+extract_expsyms_cmds \
+old_archive_from_new_cmds \
+old_archive_from_expsyms_cmds \
+archive_cmds \
+archive_expsym_cmds \
+module_cmds \
+module_expsym_cmds \
+export_symbols_cmds \
+prelink_cmds \
+postlink_cmds \
+postinstall_cmds \
+postuninstall_cmds \
+finish_cmds \
+sys_lib_search_path_spec \
+sys_lib_dlsearch_path_spec; do
+ case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
+ *[\\\\\\\`\\"\\\$]*)
+ eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\""
+ ;;
+ *)
+ eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
+ ;;
+ esac
+done
+
+ac_aux_dir='$ac_aux_dir'
+xsi_shell='$xsi_shell'
+lt_shell_append='$lt_shell_append'
+
+# See if we are running on zsh, and set the options which allow our
+# commands through without removal of \ escapes INIT.
+if test -n "\${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+fi
+
+
+ PACKAGE='$PACKAGE'
+ VERSION='$VERSION'
+ TIMESTAMP='$TIMESTAMP'
+ RM='$RM'
+ ofile='$ofile'
+
+
+
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+
+# Handling of arguments.
+for ac_config_target in $ac_config_targets
+do
+ case $ac_config_target in
+ "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
+ "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
+ "include/config.h") CONFIG_HEADERS="$CONFIG_HEADERS include/config.h" ;;
+ "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+ "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+ "doc/pictures/Makefile") CONFIG_FILES="$CONFIG_FILES doc/pictures/Makefile" ;;
+ "doc/doxygen.cfg") CONFIG_FILES="$CONFIG_FILES doc/doxygen.cfg" ;;
+ "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
+ "include/sound/Makefile") CONFIG_FILES="$CONFIG_FILES include/sound/Makefile" ;;
+ "src/Versions") CONFIG_FILES="$CONFIG_FILES src/Versions" ;;
+ "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
+ "src/control/Makefile") CONFIG_FILES="$CONFIG_FILES src/control/Makefile" ;;
+ "src/mixer/Makefile") CONFIG_FILES="$CONFIG_FILES src/mixer/Makefile" ;;
+ "src/pcm/Makefile") CONFIG_FILES="$CONFIG_FILES src/pcm/Makefile" ;;
+ "src/pcm/scopes/Makefile") CONFIG_FILES="$CONFIG_FILES src/pcm/scopes/Makefile" ;;
+ "src/rawmidi/Makefile") CONFIG_FILES="$CONFIG_FILES src/rawmidi/Makefile" ;;
+ "src/timer/Makefile") CONFIG_FILES="$CONFIG_FILES src/timer/Makefile" ;;
+ "src/hwdep/Makefile") CONFIG_FILES="$CONFIG_FILES src/hwdep/Makefile" ;;
+ "src/seq/Makefile") CONFIG_FILES="$CONFIG_FILES src/seq/Makefile" ;;
+ "src/ucm/Makefile") CONFIG_FILES="$CONFIG_FILES src/ucm/Makefile" ;;
+ "src/alisp/Makefile") CONFIG_FILES="$CONFIG_FILES src/alisp/Makefile" ;;
+ "src/conf/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/Makefile" ;;
+ "src/conf/alsa.conf.d/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/alsa.conf.d/Makefile" ;;
+ "src/conf/cards/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/cards/Makefile" ;;
+ "src/conf/pcm/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/pcm/Makefile" ;;
+ "src/conf/ucm/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/Makefile" ;;
+ "src/conf/ucm/DAISY-I2S/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/DAISY-I2S/Makefile" ;;
+ "src/conf/ucm/PandaBoard/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/PandaBoard/Makefile" ;;
+ "src/conf/ucm/PandaBoardES/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/PandaBoardES/Makefile" ;;
+ "src/conf/ucm/SDP4430/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/SDP4430/Makefile" ;;
+ "src/conf/ucm/tegraalc5632/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/tegraalc5632/Makefile" ;;
+ "src/conf/ucm/PAZ00/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/PAZ00/Makefile" ;;
+ "src/conf/ucm/GoogleNyan/Makefile") CONFIG_FILES="$CONFIG_FILES src/conf/ucm/GoogleNyan/Makefile" ;;
+ "modules/Makefile") CONFIG_FILES="$CONFIG_FILES modules/Makefile" ;;
+ "modules/mixer/Makefile") CONFIG_FILES="$CONFIG_FILES modules/mixer/Makefile" ;;
+ "modules/mixer/simple/Makefile") CONFIG_FILES="$CONFIG_FILES modules/mixer/simple/Makefile" ;;
+ "alsalisp/Makefile") CONFIG_FILES="$CONFIG_FILES alsalisp/Makefile" ;;
+ "aserver/Makefile") CONFIG_FILES="$CONFIG_FILES aserver/Makefile" ;;
+ "test/Makefile") CONFIG_FILES="$CONFIG_FILES test/Makefile" ;;
+ "test/lsb/Makefile") CONFIG_FILES="$CONFIG_FILES test/lsb/Makefile" ;;
+ "utils/Makefile") CONFIG_FILES="$CONFIG_FILES utils/Makefile" ;;
+ "utils/alsa-lib.spec") CONFIG_FILES="$CONFIG_FILES utils/alsa-lib.spec" ;;
+ "utils/alsa.pc") CONFIG_FILES="$CONFIG_FILES utils/alsa.pc" ;;
+
+ *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+ esac
+done
+
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used. Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+ test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+ test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+ test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
+fi
+
+# Have a temporary directory for convenience. Make it in the build tree
+# simply because there is no reason against having it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Hook for its removal unless debugging.
+# Note that there is a small window in which the directory will not be cleaned:
+# after its creation but before its name has been assigned to `$tmp'.
+$debug ||
+{
+ tmp= ac_tmp=
+ trap 'exit_status=$?
+ : "${ac_tmp:=$tmp}"
+ { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+' 0
+ trap 'as_fn_exit 1' 1 2 13 15
+}
+# Create a (secure) tmp directory for tmp files.
+
+{
+ tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
+ test -d "$tmp"
+} ||
+{
+ tmp=./conf$$-$RANDOM
+ (umask 077 && mkdir "$tmp")
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
+
+# Set up the scripts for CONFIG_FILES section.
+# No need to generate them if there are no CONFIG_FILES.
+# This happens for instance with `./config.status config.h'.
+if test -n "$CONFIG_FILES"; then
+
+
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+ eval ac_cr=\$\'\\r\'
+fi
+ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
+if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
+ ac_cs_awk_cr='\\r'
+else
+ ac_cs_awk_cr=$ac_cr
+fi
+
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+_ACEOF
+
+
+{
+ echo "cat >conf$$subs.awk <<_ACEOF" &&
+ echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
+ echo "_ACEOF"
+} >conf$$subs.sh ||
+ as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
+ac_delim='%!_!# '
+for ac_last_try in false false false false false :; do
+ . ./conf$$subs.sh ||
+ as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+
+ ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+ if test $ac_delim_n = $ac_delim_num; then
+ break
+ elif $ac_last_try; then
+ as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ else
+ ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+ fi
+done
+rm -f conf$$subs.sh
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
+_ACEOF
+sed -n '
+h
+s/^/S["/; s/!.*/"]=/
+p
+g
+s/^[^!]*!//
+:repl
+t repl
+s/'"$ac_delim"'$//
+t delim
+:nl
+h
+s/\(.\{148\}\)..*/\1/
+t more1
+s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
+p
+n
+b repl
+:more1
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t nl
+:delim
+h
+s/\(.\{148\}\)..*/\1/
+t more2
+s/["\\]/\\&/g; s/^/"/; s/$/"/
+p
+b
+:more2
+s/["\\]/\\&/g; s/^/"/; s/$/"\\/
+p
+g
+s/.\{148\}//
+t delim
+' <conf$$subs.awk | sed '
+/^[^""]/{
+ N
+ s/\n//
+}
+' >>$CONFIG_STATUS || ac_write_fail=1
+rm -f conf$$subs.awk
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+_ACAWK
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
+ for (key in S) S_is_set[key] = 1
+ FS = ""
+
+}
+{
+ line = $ 0
+ nfields = split(line, field, "@")
+ substed = 0
+ len = length(field[1])
+ for (i = 2; i < nfields; i++) {
+ key = field[i]
+ keylen = length(key)
+ if (S_is_set[key]) {
+ value = S[key]
+ line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+ len += length(value) + length(field[++i])
+ substed = 1
+ } else
+ len += 1 + keylen
+ }
+
+ print line
+}
+
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
+ sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
+else
+ cat
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+ || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
+_ACEOF
+
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+ ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{
+h
+s///
+s/^/:/
+s/[ ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
+s/:*$//
+x
+s/\(=[ ]*\).*/\1/
+G
+s/\n//
+s/^[^=]*=[ ]*$//
+}'
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+fi # test -n "$CONFIG_FILES"
+
+# Set up the scripts for CONFIG_HEADERS section.
+# No need to generate them if there are no CONFIG_HEADERS.
+# This happens for instance with `./config.status Makefile'.
+if test -n "$CONFIG_HEADERS"; then
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
+BEGIN {
+_ACEOF
+
+# Transform confdefs.h into an awk script `defines.awk', embedded as
+# here-document in config.status, that substitutes the proper values into
+# config.h.in to produce config.h.
+
+# Create a delimiter string that does not exist in confdefs.h, to ease
+# handling of long lines.
+ac_delim='%!_!# '
+for ac_last_try in false false :; do
+ ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+ if test -z "$ac_tt"; then
+ break
+ elif $ac_last_try; then
+ as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
+ else
+ ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
+ fi
+done
+
+# For the awk script, D is an array of macro values keyed by name,
+# likewise P contains macro parameters if any. Preserve backslash
+# newline sequences.
+
+ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
+sed -n '
+s/.\{148\}/&'"$ac_delim"'/g
+t rset
+:rset
+s/^[ ]*#[ ]*define[ ][ ]*/ /
+t def
+d
+:def
+s/\\$//
+t bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3"/p
+s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p
+d
+:bsnl
+s/["\\]/\\&/g
+s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\
+D["\1"]=" \3\\\\\\n"\\/p
+t cont
+s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
+t cont
+d
+:cont
+n
+s/.\{148\}/&'"$ac_delim"'/g
+t clear
+:clear
+s/\\$//
+t bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/"/p
+d
+:bsnlc
+s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
+b cont
+' <confdefs.h | sed '
+s/'"$ac_delim"'/"\\\
+"/g' >>$CONFIG_STATUS || ac_write_fail=1
+
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ for (key in D) D_is_set[key] = 1
+ FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
+ line = \$ 0
+ split(line, arg, " ")
+ if (arg[1] == "#") {
+ defundef = arg[2]
+ mac1 = arg[3]
+ } else {
+ defundef = substr(arg[1], 2)
+ mac1 = arg[2]
+ }
+ split(mac1, mac2, "(") #)
+ macro = mac2[1]
+ prefix = substr(line, 1, index(line, defundef) - 1)
+ if (D_is_set[macro]) {
+ # Preserve the white space surrounding the "#".
+ print prefix "define", macro P[macro] D[macro]
+ next
+ } else {
+ # Replace #undef with comments. This is necessary, for example,
+ # in the case of _POSIX_SOURCE, which is predefined and required
+ # on some systems where configure will not decide to define it.
+ if (defundef == "undef") {
+ print "/*", prefix defundef, macro, "*/"
+ next
+ }
+ }
+}
+{ print }
+_ACAWK
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+ as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
+fi # test -n "$CONFIG_HEADERS"
+
+
+eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS"
+shift
+for ac_tag
+do
+ case $ac_tag in
+ :[FHLC]) ac_mode=$ac_tag; continue;;
+ esac
+ case $ac_mode$ac_tag in
+ :[FHL]*:*);;
+ :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+ :[FH]-) ac_tag=-:-;;
+ :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
+ esac
+ ac_save_IFS=$IFS
+ IFS=:
+ set x $ac_tag
+ IFS=$ac_save_IFS
+ shift
+ ac_file=$1
+ shift
+
+ case $ac_mode in
+ :L) ac_source=$1;;
+ :[FH])
+ ac_file_inputs=
+ for ac_f
+ do
+ case $ac_f in
+ -) ac_f="$ac_tmp/stdin";;
+ *) # Look for the file first in the build tree, then in the source tree
+ # (if the path is not absolute). The absolute path cannot be DOS-style,
+ # because $ac_f cannot contain `:'.
+ test -f "$ac_f" ||
+ case $ac_f in
+ [\\/$]*) false;;
+ *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
+ esac ||
+ as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+ esac
+ case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+ as_fn_append ac_file_inputs " '$ac_f'"
+ done
+
+ # Let's still pretend it is `configure' which instantiates (i.e., don't
+ # use $as_me), people would be surprised to read:
+ # /* config.h. Generated by config.status. */
+ configure_input='Generated from '`
+ $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+ `' by configure.'
+ if test x"$ac_file" != x-; then
+ configure_input="$ac_file. $configure_input"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+$as_echo "$as_me: creating $ac_file" >&6;}
+ fi
+ # Neutralize special characters interpreted by sed in replacement strings.
+ case $configure_input in #(
+ *\&* | *\|* | *\\* )
+ ac_sed_conf_input=`$as_echo "$configure_input" |
+ sed 's/[\\\\&|]/\\\\&/g'`;; #(
+ *) ac_sed_conf_input=$configure_input;;
+ esac
+
+ case $ac_tag in
+ *:-:* | *:-) cat >"$ac_tmp/stdin" \
+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+ esac
+ ;;
+ esac
+
+ ac_dir=`$as_dirname -- "$ac_file" ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$ac_file" : 'X\(//\)[^/]' \| \
+ X"$ac_file" : 'X\(//\)$' \| \
+ X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$ac_file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ as_dir="$ac_dir"; as_fn_mkdir_p
+ ac_builddir=.
+
+case "$ac_dir" in
+.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
+*)
+ ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
+ # A ".." for each directory in $ac_dir_suffix.
+ ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+ case $ac_top_builddir_sub in
+ "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
+ *) ac_top_build_prefix=$ac_top_builddir_sub/ ;;
+ esac ;;
+esac
+ac_abs_top_builddir=$ac_pwd
+ac_abs_builddir=$ac_pwd$ac_dir_suffix
+# for backward compatibility:
+ac_top_builddir=$ac_top_build_prefix
+
+case $srcdir in
+ .) # We are building in place.
+ ac_srcdir=.
+ ac_top_srcdir=$ac_top_builddir_sub
+ ac_abs_top_srcdir=$ac_pwd ;;
+ [\\/]* | ?:[\\/]* ) # Absolute name.
+ ac_srcdir=$srcdir$ac_dir_suffix;
+ ac_top_srcdir=$srcdir
+ ac_abs_top_srcdir=$srcdir ;;
+ *) # Relative name.
+ ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
+ ac_top_srcdir=$ac_top_build_prefix$srcdir
+ ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
+esac
+ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
+
+
+ case $ac_mode in
+ :F)
+ #
+ # CONFIG_FILE
+ #
+
+ case $INSTALL in
+ [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+ *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
+ esac
+ ac_MKDIR_P=$MKDIR_P
+ case $MKDIR_P in
+ [\\/$]* | ?:[\\/]* ) ;;
+ */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
+ esac
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# If the template does not know about datarootdir, expand it.
+# FIXME: This hack should be removed a few years after 2.60.
+ac_datarootdir_hack=; ac_datarootdir_seen=
+ac_sed_dataroot='
+/datarootdir/ {
+ p
+ q
+}
+/@datadir@/p
+/@docdir@/p
+/@infodir@/p
+/@localedir@/p
+/@mandir@/p'
+case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
+*datarootdir*) ac_datarootdir_seen=yes;;
+*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ ac_datarootdir_hack='
+ s&@datadir@&$datadir&g
+ s&@docdir@&$docdir&g
+ s&@infodir@&$infodir&g
+ s&@localedir@&$localedir&g
+ s&@mandir@&$mandir&g
+ s&\\\${datarootdir}&$datarootdir&g' ;;
+esac
+_ACEOF
+
+# Neutralize VPATH when `$srcdir' = `.'.
+# Shell code in configure.ac might set extrasub.
+# FIXME: do we really want to maintain this feature?
+cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_sed_extra="$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s|@configure_input@|$ac_sed_conf_input|;t t
+s&@top_builddir@&$ac_top_builddir_sub&;t t
+s&@top_build_prefix@&$ac_top_build_prefix&;t t
+s&@srcdir@&$ac_srcdir&;t t
+s&@abs_srcdir@&$ac_abs_srcdir&;t t
+s&@top_srcdir@&$ac_top_srcdir&;t t
+s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
+s&@builddir@&$ac_builddir&;t t
+s&@abs_builddir@&$ac_abs_builddir&;t t
+s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
+s&@INSTALL@&$ac_INSTALL&;t t
+s&@MKDIR_P@&$ac_MKDIR_P&;t t
+$ac_datarootdir_hack
+"
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+ >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+
+test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
+ { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+ { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \
+ "$ac_tmp/out"`; test -z "$ac_out"; } &&
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined. Please make sure it is defined" >&5
+$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined. Please make sure it is defined" >&2;}
+
+ rm -f "$ac_tmp/stdin"
+ case $ac_file in
+ -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+ *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+ esac \
+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+ ;;
+ :H)
+ #
+ # CONFIG_HEADER
+ #
+ if test x"$ac_file" != x-; then
+ {
+ $as_echo "/* $configure_input */" \
+ && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+ } >"$ac_tmp/config.h" \
+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+ if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+$as_echo "$as_me: $ac_file is unchanged" >&6;}
+ else
+ rm -f "$ac_file"
+ mv "$ac_tmp/config.h" "$ac_file" \
+ || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+ fi
+ else
+ $as_echo "/* $configure_input */" \
+ && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+ || as_fn_error $? "could not create -" "$LINENO" 5
+ fi
+# Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
+_am_stamp_count=1
+for _am_header in $config_headers :; do
+ case $_am_header in
+ $_am_arg | $_am_arg:* )
+ break ;;
+ * )
+ _am_stamp_count=`expr $_am_stamp_count + 1` ;;
+ esac
+done
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$_am_arg" : 'X\(//\)[^/]' \| \
+ X"$_am_arg" : 'X\(//\)$' \| \
+ X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`/stamp-h$_am_stamp_count
+ ;;
+
+ :C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
+$as_echo "$as_me: executing $ac_file commands" >&6;}
+ ;;
+ esac
+
+
+ case $ac_file$ac_mode in
+ "depfiles":C) test x"$AMDEP_TRUE" != x"" || {
+ # Autoconf 2.62 quotes --file arguments for eval, but not when files
+ # are listed without --file. Let's play safe and only enable the eval
+ # if we detect the quoting.
+ case $CONFIG_FILES in
+ *\'*) eval set x "$CONFIG_FILES" ;;
+ *) set x $CONFIG_FILES ;;
+ esac
+ shift
+ for mf
+ do
+ # Strip MF so we end up with the name of the file.
+ mf=`echo "$mf" | sed -e 's/:.*$//'`
+ # Check whether this is an Automake generated Makefile or not.
+ # We used to match only the files named 'Makefile.in', but
+ # some people rename them; so instead we look at the file content.
+ # Grep'ing the first line is not enough: some people post-process
+ # each Makefile.in and add a new line on top of each file to say so.
+ # Grep'ing the whole file is not good either: AIX grep has a line
+ # limit of 2048, but all sed's we know have understand at least 4000.
+ if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+ dirpart=`$as_dirname -- "$mf" ||
+$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$mf" : 'X\(//\)[^/]' \| \
+ X"$mf" : 'X\(//\)$' \| \
+ X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$mf" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ else
+ continue
+ fi
+ # Extract the definition of DEPDIR, am__include, and am__quote
+ # from the Makefile without running 'make'.
+ DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+ test -z "$DEPDIR" && continue
+ am__include=`sed -n 's/^am__include = //p' < "$mf"`
+ test -z "am__include" && continue
+ am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
+ # Find all dependency output files, they are included files with
+ # $(DEPDIR) in their names. We invoke sed twice because it is the
+ # simplest approach to changing $(DEPDIR) to its actual value in the
+ # expansion.
+ for file in `sed -n "
+ s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
+ sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
+ # Make sure the directory exists.
+ test -f "$dirpart/$file" && continue
+ fdir=`$as_dirname -- "$file" ||
+$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$file" : 'X\(//\)[^/]' \| \
+ X"$file" : 'X\(//\)$' \| \
+ X"$file" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'`
+ as_dir=$dirpart/$fdir; as_fn_mkdir_p
+ # echo "creating $dirpart/$file"
+ echo '# dummy' > "$dirpart/$file"
+ done
+ done
+}
+ ;;
+ "libtool":C)
+
+ # See if we are running on zsh, and set the options which allow our
+ # commands through without removal of \ escapes.
+ if test -n "${ZSH_VERSION+set}" ; then
+ setopt NO_GLOB_SUBST
+ fi
+
+ cfgfile="${ofile}T"
+ trap "$RM \"$cfgfile\"; exit 1" 1 2 15
+ $RM "$cfgfile"
+
+ cat <<_LT_EOF >> "$cfgfile"
+#! $SHELL
+
+# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
+# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION
+# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+# 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# Written by Gordon Matzigkeit, 1996
+#
+# This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING. If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+# The names of the tagged configurations supported by this script.
+available_tags=""
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Whether or not to build static libraries.
+build_old_libs=$enable_static
+
+# Which release of libtool.m4 was used?
+macro_version=$macro_version
+macro_revision=$macro_revision
+
+# Whether or not to build shared libraries.
+build_libtool_libs=$enable_shared
+
+# What type of objects to build.
+pic_mode=$pic_mode
+
+# Whether or not to optimize for fast installation.
+fast_install=$enable_fast_install
+
+# Shell to use when invoking shell scripts.
+SHELL=$lt_SHELL
+
+# An echo program that protects backslashes.
+ECHO=$lt_ECHO
+
+# The PATH separator for the build system.
+PATH_SEPARATOR=$lt_PATH_SEPARATOR
+
+# The host system.
+host_alias=$host_alias
+host=$host
+host_os=$host_os
+
+# The build system.
+build_alias=$build_alias
+build=$build
+build_os=$build_os
+
+# A sed program that does not truncate output.
+SED=$lt_SED
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="\$SED -e 1s/^X//"
+
+# A grep program that handles long lines.
+GREP=$lt_GREP
+
+# An ERE matcher.
+EGREP=$lt_EGREP
+
+# A literal string matcher.
+FGREP=$lt_FGREP
+
+# A BSD- or MS-compatible name lister.
+NM=$lt_NM
+
+# Whether we need soft or hard links.
+LN_S=$lt_LN_S
+
+# What is the maximum length of a command?
+max_cmd_len=$max_cmd_len
+
+# Object file suffix (normally "o").
+objext=$ac_objext
+
+# Executable file suffix (normally "").
+exeext=$exeext
+
+# whether the shell understands "unset".
+lt_unset=$lt_unset
+
+# turn spaces into newlines.
+SP2NL=$lt_lt_SP2NL
+
+# turn newlines into spaces.
+NL2SP=$lt_lt_NL2SP
+
+# convert \$build file names to \$host format.
+to_host_file_cmd=$lt_cv_to_host_file_cmd
+
+# convert \$build files to toolchain format.
+to_tool_file_cmd=$lt_cv_to_tool_file_cmd
+
+# An object symbol dumper.
+OBJDUMP=$lt_OBJDUMP
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method=$lt_deplibs_check_method
+
+# Command to use when deplibs_check_method = "file_magic".
+file_magic_cmd=$lt_file_magic_cmd
+
+# How to find potential files when deplibs_check_method = "file_magic".
+file_magic_glob=$lt_file_magic_glob
+
+# Find potential files using nocaseglob when deplibs_check_method = "file_magic".
+want_nocaseglob=$lt_want_nocaseglob
+
+# DLL creation program.
+DLLTOOL=$lt_DLLTOOL
+
+# Command to associate shared and link libraries.
+sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd
+
+# The archiver.
+AR=$lt_AR
+
+# Flags to create an archive.
+AR_FLAGS=$lt_AR_FLAGS
+
+# How to feed a file listing to the archiver.
+archiver_list_spec=$lt_archiver_list_spec
+
+# A symbol stripping program.
+STRIP=$lt_STRIP
+
+# Commands used to install an old-style archive.
+RANLIB=$lt_RANLIB
+old_postinstall_cmds=$lt_old_postinstall_cmds
+old_postuninstall_cmds=$lt_old_postuninstall_cmds
+
+# Whether to use a lock for old archive extraction.
+lock_old_archive_extraction=$lock_old_archive_extraction
+
+# A C compiler.
+LTCC=$lt_CC
+
+# LTCC compiler flags.
+LTCFLAGS=$lt_CFLAGS
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
+
+# Transform the output of nm in a proper C declaration.
+global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
+
+# Transform the output of nm in a C name address pair.
+global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
+
+# Transform the output of nm in a C name address pair when lib prefix is needed.
+global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix
+
+# Specify filename containing input files for \$NM.
+nm_file_list_spec=$lt_nm_file_list_spec
+
+# The root where to search for dependent libraries,and in which our libraries should be installed.
+lt_sysroot=$lt_sysroot
+
+# The name of the directory that contains temporary libtool files.
+objdir=$objdir
+
+# Used to examine libraries when file_magic_cmd begins with "file".
+MAGIC_CMD=$MAGIC_CMD
+
+# Must we lock files when doing compilation?
+need_locks=$lt_need_locks
+
+# Manifest tool.
+MANIFEST_TOOL=$lt_MANIFEST_TOOL
+
+# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
+DSYMUTIL=$lt_DSYMUTIL
+
+# Tool to change global to local symbols on Mac OS X.
+NMEDIT=$lt_NMEDIT
+
+# Tool to manipulate fat objects and archives on Mac OS X.
+LIPO=$lt_LIPO
+
+# ldd/readelf like tool for Mach-O binaries on Mac OS X.
+OTOOL=$lt_OTOOL
+
+# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
+OTOOL64=$lt_OTOOL64
+
+# Old archive suffix (normally "a").
+libext=$libext
+
+# Shared library suffix (normally ".so").
+shrext_cmds=$lt_shrext_cmds
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=$lt_extract_expsyms_cmds
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at link time.
+variables_saved_for_relink=$lt_variables_saved_for_relink
+
+# Do we need the "lib" prefix for modules?
+need_lib_prefix=$need_lib_prefix
+
+# Do we need a version for libraries?
+need_version=$need_version
+
+# Library versioning type.
+version_type=$version_type
+
+# Shared library runtime path variable.
+runpath_var=$runpath_var
+
+# Shared library path variable.
+shlibpath_var=$shlibpath_var
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=$shlibpath_overrides_runpath
+
+# Format of library name prefix.
+libname_spec=$lt_libname_spec
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME
+library_names_spec=$lt_library_names_spec
+
+# The coded name of the library, if different from the real name.
+soname_spec=$lt_soname_spec
+
+# Permission mode override for installation of shared libraries.
+install_override_mode=$lt_install_override_mode
+
+# Command to use after installation of a shared archive.
+postinstall_cmds=$lt_postinstall_cmds
+
+# Command to use after uninstallation of a shared archive.
+postuninstall_cmds=$lt_postuninstall_cmds
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds=$lt_finish_cmds
+
+# As "finish_cmds", except a single script fragment to be evaled but
+# not shown.
+finish_eval=$lt_finish_eval
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=$hardcode_into_libs
+
+# Compile-time system search path for libraries.
+sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
+
+# Run-time system search path for libraries.
+sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+
+# Whether dlopen is supported.
+dlopen_support=$enable_dlopen
+
+# Whether dlopen of programs is supported.
+dlopen_self=$enable_dlopen_self
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=$enable_dlopen_self_static
+
+# Commands to strip libraries.
+old_striplib=$lt_old_striplib
+striplib=$lt_striplib
+
+
+# The linker used to build libraries.
+LD=$lt_LD
+
+# How to create reloadable object files.
+reload_flag=$lt_reload_flag
+reload_cmds=$lt_reload_cmds
+
+# Commands used to build an old-style archive.
+old_archive_cmds=$lt_old_archive_cmds
+
+# A language specific compiler.
+CC=$lt_compiler
+
+# Is the compiler the GNU compiler?
+with_gcc=$GCC
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag
+
+# Additional compiler flags for building library objects.
+pic_flag=$lt_lt_prog_compiler_pic
+
+# How to pass a linker flag through the compiler.
+wl=$lt_lt_prog_compiler_wl
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=$lt_lt_prog_compiler_static
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o=$lt_lt_cv_prog_compiler_c_o
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=$archive_cmds_need_lc
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec=$lt_whole_archive_flag_spec
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object=$lt_compiler_needs_object
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
+
+# Commands used to build a shared archive.
+archive_cmds=$lt_archive_cmds
+archive_expsym_cmds=$lt_archive_expsym_cmds
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=$lt_module_cmds
+module_expsym_cmds=$lt_module_expsym_cmds
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld=$lt_with_gnu_ld
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=$lt_allow_undefined_flag
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=$lt_no_undefined_flag
+
+# Flag to hardcode \$libdir into a binary during linking.
+# This must work even if \$libdir does not exist
+hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=$lt_hardcode_libdir_separator
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=$hardcode_direct
+
+# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting \${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=$hardcode_direct_absolute
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=$hardcode_minus_L
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=$hardcode_shlibpath_var
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=$hardcode_automatic
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=$inherit_rpath
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=$link_all_deplibs
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=$always_export_symbols
+
+# The commands to list exported symbols.
+export_symbols_cmds=$lt_export_symbols_cmds
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms=$lt_exclude_expsyms
+
+# Symbols that must always be exported.
+include_expsyms=$lt_include_expsyms
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=$lt_prelink_cmds
+
+# Commands necessary for finishing linking programs.
+postlink_cmds=$lt_postlink_cmds
+
+# Specify filename containing input files.
+file_list_spec=$lt_file_list_spec
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=$hardcode_action
+
+# ### END LIBTOOL CONFIG
+
+_LT_EOF
+
+ case $host_os in
+ aix3*)
+ cat <<\_LT_EOF >> "$cfgfile"
+# AIX sometimes has problems with the GCC collect2 program. For some
+# reason, if we set the COLLECT_NAMES environment variable, the problems
+# vanish in a puff of smoke.
+if test "X${COLLECT_NAMES+set}" != Xset; then
+ COLLECT_NAMES=
+ export COLLECT_NAMES
+fi
+_LT_EOF
+ ;;
+ esac
+
+
+ltmain="$ac_aux_dir/ltmain.sh"
+
+
+ # We use sed instead of cat because bash on DJGPP gets confused if
+ # if finds mixed CR/LF and LF-only lines. Since sed operates in
+ # text mode, it properly converts lines to CR/LF. This bash problem
+ # is reportedly fixed, but why not run on old versions too?
+ sed '$q' "$ltmain" >> "$cfgfile" \
+ || (rm -f "$cfgfile"; exit 1)
+
+ if test x"$xsi_shell" = xyes; then
+ sed -e '/^func_dirname ()$/,/^} # func_dirname /c\
+func_dirname ()\
+{\
+\ case ${1} in\
+\ */*) func_dirname_result="${1%/*}${2}" ;;\
+\ * ) func_dirname_result="${3}" ;;\
+\ esac\
+} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_basename ()$/,/^} # func_basename /c\
+func_basename ()\
+{\
+\ func_basename_result="${1##*/}"\
+} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\
+func_dirname_and_basename ()\
+{\
+\ case ${1} in\
+\ */*) func_dirname_result="${1%/*}${2}" ;;\
+\ * ) func_dirname_result="${3}" ;;\
+\ esac\
+\ func_basename_result="${1##*/}"\
+} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_stripname ()$/,/^} # func_stripname /c\
+func_stripname ()\
+{\
+\ # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\
+\ # positional parameters, so assign one to ordinary parameter first.\
+\ func_stripname_result=${3}\
+\ func_stripname_result=${func_stripname_result#"${1}"}\
+\ func_stripname_result=${func_stripname_result%"${2}"}\
+} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\
+func_split_long_opt ()\
+{\
+\ func_split_long_opt_name=${1%%=*}\
+\ func_split_long_opt_arg=${1#*=}\
+} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\
+func_split_short_opt ()\
+{\
+\ func_split_short_opt_arg=${1#??}\
+\ func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\
+} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\
+func_lo2o ()\
+{\
+\ case ${1} in\
+\ *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\
+\ *) func_lo2o_result=${1} ;;\
+\ esac\
+} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_xform ()$/,/^} # func_xform /c\
+func_xform ()\
+{\
+ func_xform_result=${1%.*}.lo\
+} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_arith ()$/,/^} # func_arith /c\
+func_arith ()\
+{\
+ func_arith_result=$(( $* ))\
+} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_len ()$/,/^} # func_len /c\
+func_len ()\
+{\
+ func_len_result=${#1}\
+} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+fi
+
+if test x"$lt_shell_append" = xyes; then
+ sed -e '/^func_append ()$/,/^} # func_append /c\
+func_append ()\
+{\
+ eval "${1}+=\\${2}"\
+} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\
+func_append_quoted ()\
+{\
+\ func_quote_for_eval "${2}"\
+\ eval "${1}+=\\\\ \\$func_quote_for_eval_result"\
+} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+test 0 -eq $? || _lt_function_replace_fail=:
+
+
+ # Save a `func_append' function call where possible by direct use of '+='
+ sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+ test 0 -eq $? || _lt_function_replace_fail=:
+else
+ # Save a `func_append' function call even when '+=' is not available
+ sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \
+ && mv -f "$cfgfile.tmp" "$cfgfile" \
+ || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp")
+ test 0 -eq $? || _lt_function_replace_fail=:
+fi
+
+if test x"$_lt_function_replace_fail" = x":"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5
+$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;}
+fi
+
+
+ mv -f "$cfgfile" "$ofile" ||
+ (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
+ chmod +x "$ofile"
+
+ ;;
+
+ esac
+done # for ac_tag
+
+
+as_fn_exit 0
+_ACEOF
+ac_clean_files=$ac_clean_files_save
+
+test $ac_write_fail = 0 ||
+ as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded. So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status. When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+ ac_cs_success=:
+ ac_config_status_args=
+ test "$silent" = yes &&
+ ac_config_status_args="$ac_config_status_args --quiet"
+ exec 5>/dev/null
+ $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+ exec 5>>config.log
+ # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+ # would make configure fail if this is the last instruction.
+ $ac_cs_success || as_fn_exit 1
+fi
+if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+fi
+
+
+echo "Creating asoundlib.h..."
+cp "$srcdir"/include/asoundlib-head.h include/asoundlib.h
+test "$ac_cv_header_endian_h" = "yes" && echo "#include <endian.h>" >> include/asoundlib.h
+if test "$ac_cv_header_sys_endian_h" = "yes"; then
+cat >> include/asoundlib.h <<EOF
+#include <sys/endian.h>
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER BYTE_ORDER
+#endif
+#ifndef __LITTLE_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#endif
+#ifndef __BIG_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#endif
+EOF
+fi
+cat >> include/asoundlib.h <<EOF
+
+#ifndef __GNUC__
+#define __inline__ inline
+#endif
+
+#include <alsa/asoundef.h>
+#include <alsa/version.h>
+#include <alsa/global.h>
+#include <alsa/input.h>
+#include <alsa/output.h>
+#include <alsa/error.h>
+#include <alsa/conf.h>
+EOF
+test "$build_pcm" = "yes" && echo "#include <alsa/pcm.h>" >> include/asoundlib.h
+test "$build_rawmidi" = "yes" && echo "#include <alsa/rawmidi.h>" >> include/asoundlib.h
+test "$build_pcm" = "yes" && echo "#include <alsa/timer.h>" >> include/asoundlib.h
+test "$build_hwdep" = "yes" && echo "#include <alsa/hwdep.h>" >> include/asoundlib.h
+echo "#include <alsa/control.h>" >> include/asoundlib.h
+test "$build_mixer" = "yes" && echo "#include <alsa/mixer.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq_event.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seqmid.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq_midi_event.h>" >> include/asoundlib.h
+cat "$srcdir"/include/asoundlib-tail.h >> include/asoundlib.h
+
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..f0995e3
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,706 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_PREREQ(2.59)
+AC_INIT(alsa-lib, 1.0.29)
+
+AC_CONFIG_SRCDIR([src/control/control.c])
+AC_CONFIG_MACRO_DIR([m4])
+
+dnl *************************************************
+dnl current:revision:age
+dnl change (without API) = c:r+1:a
+dnl change API = c+1:0:a
+dnl add API = c+1:0:a+1
+dnl remove API = c+1:0:0
+dnl *************************************************
+AC_CANONICAL_HOST
+AM_INIT_AUTOMAKE
+eval LIBTOOL_VERSION_INFO="2:0:0"
+dnl *************************************************
+AM_CONDITIONAL([INSTALL_M4], [test -n "${ACLOCAL}"])
+
+AM_MAINTAINER_MODE([enable])
+
+# Test for new silent rules and enable only if they are available
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+AC_PREFIX_DEFAULT(/usr)
+
+dnl Checks for programs.
+
+dnl try to gues cross-compiler if not set
+if test "x$host" != "x$build" -a -z "`echo $CC | grep -e '-gcc'`";
+then
+ AC_MSG_CHECKING(for cross-compiler)
+
+ which ${program_prefix}gcc >/dev/null 2>&1 && CC=${program_prefix}gcc
+ which ${host_cpu}-${host_os}-gcc >/dev/null 2>&1 \
+ && CC=${host_cpu}-${host_os}-gcc
+ which ${host_cpu}-${host_vendor}-${host_os}-gcc >/dev/null 2>&1 \
+ && CC=${host_cpu}-${host_vendor}-${host_os}-gcc
+
+ AC_MSG_RESULT($CC)
+fi
+
+CFLAGS="$CFLAGS -D_GNU_SOURCE"
+
+
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_DISABLE_STATIC
+AC_LIBTOOL_DLOPEN
+AM_PROG_LIBTOOL
+
+CC_NOUNDEFINED
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_CONFIG_HEADERS(include/config.h)
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_HEADER_TIME
+
+dnl Checks for library functions.
+AC_PROG_GCC_TRADITIONAL
+AC_CHECK_FUNCS([uselocale])
+
+SAVE_LIBRARY_VERSION
+AC_SUBST(LIBTOOL_VERSION_INFO)
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+
+dnl Do not build static and shared libraries together
+if test "$enable_static" = "$enable_shared" -a "$enable_static" = "yes"; then
+cat <<EOF
+ Please, do not try to compile static and shared libraries together.
+ See INSTALL file for more details (do not use --enable-shared=yes with
+ --enable-static=yes).
+EOF
+ exit 1
+fi
+
+dnl ALSA configuration directory
+AC_ARG_WITH(configdir,
+ AS_HELP_STRING([--with-configdir=dir],
+ [path where ALSA config files are stored]),
+ confdir="$withval", confdir="")
+if test -z "$confdir"; then
+ eval dir="$datadir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$prefix/share"
+ esac
+ confdir="$dir/alsa"
+fi
+ALSA_CONFIG_DIR="$confdir"
+AC_DEFINE_UNQUOTED(ALSA_CONFIG_DIR, "$confdir", [directory containing ALSA configuration database])
+AC_SUBST(ALSA_CONFIG_DIR)
+
+dnl ALSA plugin directory
+test "x$exec_prefix" = xNONE && exec_prefix=$prefix
+
+AC_ARG_WITH(plugindir,
+ AS_HELP_STRING([--with-plugindir=dir],
+ [path where ALSA plugin files are stored]),
+ plugindir="$withval", plugindir="")
+if test -z "$plugindir"; then
+ eval dir="$libdir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$dir"
+ esac
+ plugindir="$dir/$PACKAGE"
+fi
+AC_DEFINE_UNQUOTED(ALSA_PLUGIN_DIR, "$plugindir", [directory containing ALSA add-on modules])
+ALSA_PLUGIN_DIR="$plugindir"
+AC_SUBST(ALSA_PLUGIN_DIR)
+
+AC_ARG_WITH(pkgconfdir,
+ AS_HELP_STRING([--with-pkgconfdir=dir],
+ [path where pkgconfig files are stored]),
+ pkgconfdir="$withval", pkgconfdir="")
+if test -z "$pkgconfdir"; then
+ eval dir="$libdir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$dir"
+ esac
+ pkgconfdir="$dir/pkgconfig"
+fi
+AC_DEFINE_UNQUOTED(ALSA_PKGCONF_DIR, "$pkgconfdir", [directory containing pkgconfig files])
+ALSA_PKGCONF_DIR="$pkgconfdir"
+AC_SUBST(ALSA_PKGCONF_DIR)
+
+dnl Check for versioned symbols
+AC_MSG_CHECKING(for versioned symbols)
+AC_ARG_WITH(versioned,
+ AS_HELP_STRING([--with-versioned],
+ [shared library will be compiled with versioned symbols (default = yes)]),
+ versioned="$withval", versioned="yes")
+if test "$versioned" = "yes"; then
+ # it seems that GNU ld versions since 2.10 are not broken
+ xres=`grep '^VERSION=' ${srcdir}/ltmain.sh | cut -d = -f 2 | cut -d \" -f 2`
+ major=`echo $xres | cut -d . -f 1`
+ minor=`echo $xres | cut -d . -f 2`
+ pass=0
+ if test $major -eq 1 && test $minor -gt 3; then
+ pass=1
+ else
+ if test $major -gt 1; then
+ pass=1
+ fi
+ fi
+ if test $pass -eq 1; then
+ AC_DEFINE(VERSIONED_SYMBOLS,,[compiled with versioned symbols])
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(broken libtool - use libtool v1.4+; no versions)
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL([VERSIONED_SYMBOLS], [test x$versioned = xyes])
+
+dnl Check for symbolic-functions
+AC_MSG_CHECKING(for symbolic-functions)
+AC_ARG_ENABLE(symbolic-functions,
+ AS_HELP_STRING([--enable-symbolic-functions],
+ [use -Bsymbolic-functions option if available (optmization for size and speed)]),
+ symfuncs="$enableval", symfuncs="no")
+if test "$symfuncs" = "yes"; then
+ if ld --help | grep -q -- '-Bsymbolic-functions'; then
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(not supported by ld)
+ symfuncs="no"
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL([SYMBOLIC_FUNCTIONS], [test x"$symfuncs" = xyes])
+
+dnl See if toolchain has a custom prefix for symbols ...
+AC_MSG_CHECKING(for custom symbol prefixes)
+SYMBOL_PREFIX=` \
+ echo "PREFIX=__USER_LABEL_PREFIX__" \
+ | ${CPP-${CC-gcc} -E} - 2>&1 \
+ | ${EGREP-grep} "^PREFIX=" \
+ | ${SED-sed} "s:^PREFIX=::"`
+AC_DEFINE_UNQUOTED([__SYMBOL_PREFIX], "$SYMBOL_PREFIX", [Toolchain Symbol Prefix])
+AC_SUBST(SYMBOL_PREFIX)
+AC_MSG_RESULT($SYMBOL_PREFIX)
+
+dnl Check for debug...
+AC_MSG_CHECKING(for debug)
+AC_ARG_WITH(debug,
+ AS_HELP_STRING([--with-debug],
+ [library will be compiled with asserts (default = yes)]),
+ debug="$withval", debug="yes")
+if test "$debug" = "yes"; then
+ AC_MSG_RESULT(yes)
+else
+ AC_DEFINE(NDEBUG,,[No assert debug])
+ AC_MSG_RESULT(no)
+fi
+
+if test "$debug" = "yes"; then
+ AC_MSG_CHECKING(for debug assert)
+ AC_ARG_ENABLE(debug-assert,
+ AS_HELP_STRING([--enable-debug],
+ [enable assert call at the default error message handler]),
+ debug_assert="$enableval", debug_assert="no")
+ if test "$debug_assert" = "yes"; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(ALSA_DEBUG_ASSERT,,[Enable assert at error message handler])
+ else
+ AC_MSG_RESULT(no)
+ fi
+fi
+
+dnl Temporary directory
+AC_MSG_CHECKING(for tmpdir)
+AC_ARG_WITH(tmpdir,
+ AS_HELP_STRING([--with-tmpdir=directory],
+ [directory to put tmp socket files (/tmp)]),
+ tmpdir="$withval", tmpdir="/tmp")
+AC_MSG_RESULT($tmpdir)
+AC_DEFINE_UNQUOTED(TMPDIR, "$tmpdir", [directory to put tmp socket files])
+
+dnl Check for softfloat...
+AC_MSG_CHECKING(for softfloat)
+AC_ARG_WITH(softfloat,
+ AS_HELP_STRING([--with-softfloat],
+ [do you have floating point unit on this machine? (optional)]),
+ [case "$withval" in
+ y|yes) softfloat=yes ;;
+ *) softfloat=no ;;
+ esac],)
+if test "$softfloat" = "yes" ; then
+ AC_DEFINE(HAVE_SOFT_FLOAT, "1", [Avoid calculation in float])
+ AC_MSG_RESULT(yes)
+else
+ AC_MSG_RESULT(no)
+fi
+
+ALSA_DEPLIBS=""
+if test "$softfloat" != "yes"; then
+ ALSA_DEPLIBS="-lm"
+fi
+
+dnl Check for libdl
+AC_MSG_CHECKING(for libdl)
+AC_ARG_WITH(libdl,
+ AS_HELP_STRING([--with-libdl], [Use libdl for plugins (default = yes)]),
+ [ have_libdl="$withval" ], [ have_libdl="yes" ])
+HAVE_LIBDL=
+if test "$have_libdl" = "yes"; then
+ AC_CHECK_LIB([dl], [dlsym], [HAVE_LIBDL="yes"])
+ if test "$HAVE_LIBDL" = "yes" ; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -ldl"
+ AC_DEFINE([HAVE_LIBDL], 1, [Have libdl])
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL([BUILD_MODULES], [test "$HAVE_LIBDL" = "yes"])
+
+dnl Check for pthread
+AC_MSG_CHECKING(for pthread)
+AC_ARG_WITH(pthread,
+ AS_HELP_STRING([--with-pthread], [Use pthread (default = yes)]),
+ [ have_pthread="$withval" ], [ have_pthread="yes" ])
+if test "$have_pthread" = "yes"; then
+ AC_CHECK_LIB([pthread], [pthread_join], [HAVE_LIBPTHREAD="yes"])
+ if test "$HAVE_LIBPTHREAD" = "yes"; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -lpthread"
+ AC_DEFINE([HAVE_LIBPTHREAD], 1, [Have libpthread])
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+dnl Check for __thread
+AC_MSG_CHECKING([for __thread])
+AC_LINK_IFELSE([AC_LANG_PROGRAM([#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) || (__GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ < 2))
+#error gcc has this bug: http://gcc.gnu.org/ml/gcc-bugs/2006-09/msg02275.html
+#endif], [static __thread int p = 0])],
+[AC_DEFINE(HAVE___THREAD, 1,
+Define to 1 if compiler supports __thread)
+AC_MSG_RESULT([yes])],
+[AC_MSG_RESULT([no])])
+
+dnl Check for librt
+AC_MSG_CHECKING(for librt)
+AC_ARG_WITH(librt,
+ AS_HELP_STRING([--with-librt], [Use librt for monotonic clock (default = yes)]),
+ [ have_librt="$withval" ], [ have_librt="yes" ])
+if test "$have_librt" = "yes"; then
+ AC_CHECK_LIB([rt], [clock_gettime], [HAVE_LIBRT="yes"])
+ if test "$HAVE_LIBRT" = "yes" ; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -lrt"
+ AC_DEFINE([HAVE_LIBRT], 1, [Have librt])
+ AC_DEFINE([HAVE_CLOCK_GETTIME], 1, [Have clock gettime])
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+AC_SUBST(ALSA_DEPLIBS)
+
+dnl Check for headers
+AC_CHECK_HEADERS([wordexp.h endian.h sys/endian.h])
+
+dnl Check for resmgr support...
+AC_MSG_CHECKING(for resmgr support)
+AC_ARG_ENABLE(resmgr,
+ AS_HELP_STRING([--enable-resmgr], [support resmgr (optional)]),
+ resmgr="$enableval", resmgr="no")
+AC_MSG_RESULT($resmgr)
+if test "$resmgr" = "yes"; then
+ AC_CHECK_LIB(resmgr, rsm_open_device,,
+ AC_ERROR([Cannot find libresmgr]))
+ AC_DEFINE(SUPPORT_RESMGR, "1", [Support resmgr with alsa-lib])
+fi
+
+dnl Check for aload* support...
+AC_MSG_CHECKING(for aload* support)
+AC_ARG_ENABLE(aload,
+ AS_HELP_STRING([--disable-aload], [disable reading /dev/aload*]),
+ aload="$enableval", aload="yes")
+AC_MSG_RESULT($aload)
+if test "$aload" = "yes"; then
+ AC_DEFINE(SUPPORT_ALOAD, "1", [Support /dev/aload* access for auto-loading])
+fi
+
+dnl Check for non-standard /dev directory
+AC_MSG_CHECKING([for ALSA device file directory])
+AC_ARG_WITH(alsa-devdir,
+ AS_HELP_STRING([--with-alsa-devdir=dir],
+ [directory with ALSA device files (default /dev/snd)]),
+ [alsa_dev_dir="$withval"],
+ [alsa_dev_dir="/dev/snd"])
+dnl make sure it has a trailing slash
+if echo "$alsa_dev_dir" | grep -v '/$' > /dev/null; then
+ alsa_dev_dir="$alsa_dev_dir/"
+fi
+AC_DEFINE_UNQUOTED(ALSA_DEVICE_DIRECTORY, "$alsa_dev_dir", [Directory with ALSA device files])
+AC_MSG_RESULT([$alsa_dev_dir])
+
+AC_MSG_CHECKING([for aload* device file directory])
+AC_ARG_WITH(aload-devdir,
+ AS_HELP_STRING([--with-aload-devdir=dir],
+ [directory with aload* device files (default /dev)]),
+ [aload_dev_dir="$withval"],
+ [aload_dev_dir="/dev"])
+if echo "$aload_dev_dir" | grep -v '/$' > /dev/null; then
+ aload_dev_dir="$aload_dev_dir/"
+fi
+AC_DEFINE_UNQUOTED(ALOAD_DEVICE_DIRECTORY, "$aload_dev_dir", [Directory with aload* device files])
+AC_MSG_RESULT([$aload_dev_dir])
+
+dnl Build conditions
+AC_ARG_ENABLE(mixer,
+ AS_HELP_STRING([--disable-mixer], [disable the mixer component]),
+ [build_mixer="$enableval"], [build_mixer="yes"])
+AC_ARG_ENABLE(pcm,
+ AS_HELP_STRING([--disable-pcm], [disable the PCM component]),
+ [build_pcm="$enableval"], [build_pcm="yes"])
+AC_ARG_ENABLE(rawmidi,
+ AS_HELP_STRING([--disable-rawmidi], [disable the raw MIDI component]),
+ [build_rawmidi="$enableval"], [build_rawmidi="yes"])
+AC_ARG_ENABLE(hwdep,
+ AS_HELP_STRING([--disable-hwdep], [disable the hwdep component]),
+ [build_hwdep="$enableval"], [build_hwdep="yes"])
+AC_ARG_ENABLE(seq,
+ AS_HELP_STRING([--disable-seq], [disable the sequencer component]),
+ [build_seq="$enableval"], [build_seq="yes"])
+AC_ARG_ENABLE(ucm,
+ AS_HELP_STRING([--disable-ucm], [disable the use-case-manager component]),
+ [build_ucm="$enableval"], [build_ucm="yes"])
+AC_ARG_ENABLE(alisp,
+ AS_HELP_STRING([--disable-alisp], [disable the alisp component]),
+ [build_alisp="$enableval"], [build_alisp="yes"])
+test "$softfloat" = "yes" && build_alisp="no"
+AC_ARG_ENABLE(old-symbols,
+ AS_HELP_STRING([--disable-old-symbols], [disable old obsoleted symbols]),
+ [keep_old_symbols="$enableval"], [keep_old_symbols="yes"])
+AM_CONDITIONAL([KEEP_OLD_SYMBOLS], [test x$keep_old_symbols = xyes])
+
+AC_ARG_ENABLE(python,
+ AS_HELP_STRING([--disable-python], [disable the python components]),
+ [build_python="$enableval"], [build_python="yes"])
+PYTHON_LIBS=""
+PYTHON_INCLUDES=""
+if test "$build_python" = "yes"; then
+ AC_ARG_WITH(pythonlibs,
+ AS_HELP_STRING([--with-pythonlibs=ldflags],
+ [specify python libraries (-lpthread -lm -ldl -lpython2.4)]),
+ pythonlibs="$withval", pythonlibs=`python-config --libs`)
+ AC_ARG_WITH(pythonincludes,
+ AS_HELP_STRING([--with-pythonincludes=Cflags],
+ [specify python C header files (-I/usr/include/python)]),
+ pythonincludes="$withval", pythonincludes=`python-config --includes`)
+ if test -z "$pythonlibs"; then
+ echo "Unable to determine python libraries! Probably python-config is not"
+ echo "available on this system. Please, use --with-pythonlibs and"
+ echo "--with-pythonincludes options. Python components are disabled in this build."
+ build_python="no"
+ else
+ PYTHON_LIBS="$pythonlibs"
+ PYTHON_INCLUDES="$pythonincludes"
+ fi
+fi
+AC_SUBST(PYTHON_LIBS)
+AC_SUBST(PYTHON_INCLUDES)
+
+AM_CONDITIONAL([BUILD_MIXER], [test x$build_mixer = xyes])
+AM_CONDITIONAL([BUILD_PCM], [test x$build_pcm = xyes])
+AM_CONDITIONAL([BUILD_RAWMIDI], [test x$build_rawmidi = xyes])
+AM_CONDITIONAL([BUILD_HWDEP], [test x$build_hwdep = xyes])
+AM_CONDITIONAL([BUILD_SEQ], [test x$build_seq = xyes])
+AM_CONDITIONAL([BUILD_UCM], [test x$build_ucm = xyes])
+AM_CONDITIONAL([BUILD_ALISP], [test x$build_alisp = xyes])
+AM_CONDITIONAL([BUILD_PYTHON], [test x$build_python = xyes])
+
+if test "$build_mixer" = "yes"; then
+ AC_DEFINE([BUILD_MIXER], "1", [Build mixer component])
+fi
+if test "$build_pcm" = "yes"; then
+ AC_DEFINE([BUILD_PCM], "1", [Build PCM component])
+fi
+if test "$build_rawmidi" = "yes"; then
+ AC_DEFINE([BUILD_RAWMIDI], "1", [Build raw MIDI component])
+fi
+if test "$build_hwdep" = "yes"; then
+ AC_DEFINE([BUILD_HWDEP], "1", [Build hwdep component])
+fi
+if test "$build_seq" = "yes"; then
+ AC_DEFINE([BUILD_SEQ], "1", [Build sequencer component])
+fi
+if test "$build_ucm" = "yes"; then
+ AC_DEFINE([BUILD_UCM], "1", [Build UCM component])
+fi
+
+dnl PCM Plugins
+
+if test "$build_pcm" = "yes"; then
+AC_ARG_WITH(pcm-plugins,
+ AS_HELP_STRING([--with-pcm-plugins=<list>],
+ [build PCM plugins (default = all)]),
+ [pcm_plugins="$withval"], [pcm_plugins="all"])
+else
+pcm_plugins=""
+fi
+
+dnl check atomics for pcm_meter
+
+AC_MSG_CHECKING([whether GCC supports builtin atomic intrinsics])
+if test -z "$gcc_have_atomics"; then
+ gcc_have_atomics=no
+ AC_TRY_LINK([],
+ [int i;
+ __atomic_load_n(&i, __ATOMIC_SEQ_CST);
+ __atomic_add_fetch(&i, 0, __ATOMIC_SEQ_CST);
+ ],
+ [gcc_have_atomics=yes],
+ [gcc_have_atomics=no])
+fi
+AC_MSG_RESULT($gcc_have_atomics)
+
+PCM_PLUGIN_LIST="copy linear route mulaw alaw adpcm rate plug multi shm file null empty share meter hooks lfloat ladspa dmix dshare dsnoop asym iec958 softvol extplug ioplug mmap_emul"
+
+build_pcm_plugin="no"
+for t in $PCM_PLUGIN_LIST; do
+ eval build_pcm_$t="no"
+done
+
+pcm_plugins=`echo $pcm_plugins | sed 's/,/ /g'`
+for p in $pcm_plugins; do
+ for t in $PCM_PLUGIN_LIST; do
+ if test "$p" = "$t" -o "$p" = "all"; then
+ eval build_pcm_$t="yes"
+ build_pcm_plugin="yes"
+ fi
+ done
+done
+
+dnl special dependencies
+if test "$build_pcm_plug" = "yes"; then
+ build_pcm_linear="yes"
+ build_pcm_copy="yes"
+fi
+
+if test "$build_pcm_ioplug" = "yes"; then
+ build_pcm_extplug="yes"
+fi
+
+if test "$HAVE_LIBDL" != "yes"; then
+ build_pcm_meter="no"
+ build_pcm_ladspa="no"
+ build_pcm_pcm_ioplug="no"
+ build_pcm_pcm_extplug="no"
+fi
+
+if test "$HAVE_LIBPTHREAD" != "yes"; then
+ build_pcm_share="no"
+fi
+
+if test "$softfloat" = "yes"; then
+ build_pcm_lfloat="no"
+ build_pcm_ladspa="no"
+fi
+
+if test "$gcc_have_atomics" != "yes"; then
+ build_pcm_meter="no"
+fi
+
+AM_CONDITIONAL([BUILD_PCM_PLUGIN], [test x$build_pcm_plugin = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_COPY], [test x$build_pcm_copy = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_LINEAR], [test x$build_pcm_linear = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ROUTE], [test x$build_pcm_route = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_MULAW], [test x$build_pcm_mulaw = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ALAW], [test x$build_pcm_alaw = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ADPCM], [test x$build_pcm_adpcm = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_RATE], [test x$build_pcm_rate = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_PLUG], [test x$build_pcm_plug = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_MULTI], [test x$build_pcm_multi = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_SHM], [test x$build_pcm_shm = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_FILE], [test x$build_pcm_file = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_NULL], [test x$build_pcm_null = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_EMPTY], [test x$build_pcm_empty = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_SHARE], [test x$build_pcm_share = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_METER], [test x$build_pcm_meter = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_HOOKS], [test x$build_pcm_hooks = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_LFLOAT], [test x$build_pcm_lfloat = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_LADSPA], [test x$build_pcm_ladspa = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_DMIX], [test x$build_pcm_dmix = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_DSHARE], [test x$build_pcm_dshare = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_DSNOOP], [test x$build_pcm_dsnoop = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ASYM], [test x$build_pcm_asym = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_IEC958], [test x$build_pcm_iec958 = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_SOFTVOL], [test x$build_pcm_softvol = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_EXTPLUG], [test x$build_pcm_extplug = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_IOPLUG], [test x$build_pcm_ioplug = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_MMAP_EMUL], [test x$build_pcm_mmap_emul = xyes])
+
+dnl Defines for plug plugin
+if test "$build_pcm_rate" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_RATE], "1", [Build PCM rate plugin])
+fi
+if test "$build_pcm_route" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_ROUTE], "1", [Build PCM route plugin])
+fi
+if test "$build_pcm_lfloat" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_LFLOAT], "1", [Build PCM lfloat plugin])
+fi
+if test "$build_pcm_adpcm" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_ADPCM], "1", [Build PCM adpcm plugin])
+fi
+if test "$build_pcm_mulaw" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_MULAW], "1", [Build PCM mulaw plugin])
+fi
+if test "$build_pcm_alaw" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_ALAW], "1", [Build PCM alaw plugin])
+fi
+if test "$build_pcm_mmap_emul" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_MMAP_EMUL], "1", [Build PCM mmap-emul plugin])
+fi
+
+
+dnl Create PCM plugin symbol list for static library
+rm -f "$srcdir"/src/pcm/pcm_symbols_list.c
+touch "$srcdir"/src/pcm/pcm_symbols_list.c
+for t in $PCM_PLUGIN_LIST; do
+ if eval test \$build_pcm_$t = yes; then
+ echo \&_snd_module_pcm_$t, >> "$srcdir"/src/pcm/pcm_symbols_list.c
+ fi
+done
+
+dnl Control Plugins
+
+AC_ARG_WITH(ctl-plugins,
+ AS_HELP_STRING([--with-ctl-plugins=<list>],
+ [build control plugins (default = all)]),
+ [ctl_plugins="$withval"], [ctl_plugins="all"])
+
+CTL_PLUGIN_LIST="shm ext"
+
+build_ctl_plugin="no"
+for t in $CTL_PLUGIN_LIST; do
+ eval build_ctl_$t="no"
+done
+
+ctl_plugins=`echo $ctl_plugins | sed 's/,/ /g'`
+for p in $ctl_plugins; do
+ for t in $CTL_PLUGIN_LIST; do
+ if test "$p" = "$t" -o "$p" = "all"; then
+ eval build_ctl_$t="yes"
+ build_ctl_plugin="yes"
+ fi
+ done
+done
+
+AM_CONDITIONAL([BUILD_CTL_PLUGIN], [test x$build_ctl_plugin = xyes])
+AM_CONDITIONAL([BUILD_CTL_PLUGIN_SHM], [test x$build_ctl_shm = xyes])
+AM_CONDITIONAL([BUILD_CTL_PLUGIN_EXT], [test x$build_ctl_ext = xyes])
+
+dnl Create ctl plugin symbol list for static library
+rm -f "$srcdir"/src/control/ctl_symbols_list.c
+touch "$srcdir"/src/control/ctl_symbols_list.c
+for t in $CTL_PLUGIN_LIST; do
+ if eval test \$build_ctl_$t = yes; then
+ echo \&_snd_module_control_$t, >> "$srcdir"/src/control/ctl_symbols_list.c
+ fi
+done
+
+dnl Max number of cards
+AC_MSG_CHECKING(for max number of cards)
+AC_ARG_WITH(max-cards,
+ AS_HELP_STRING([--with-max-cards], [Specify the max number of cards (default = 32)]),
+ [ max_cards="$withval" ], [ max_cards="32" ])
+AC_MSG_RESULT([$max_cards])
+
+if test "$max_cards" -lt 1; then
+ AC_ERROR([Invalid max cards $max_cards])
+elif test "$max_cards" -gt 256; then
+ AC_ERROR([Invalid max cards $max_cards])
+fi
+AC_DEFINE_UNQUOTED(SND_MAX_CARDS, $max_cards, [Max number of cards])
+
+dnl Make a symlink for inclusion of alsa/xxx.h
+if test ! -L "$srcdir"/include/alsa ; then
+ echo "Making a symlink include/alsa"
+ rm -f "$srcdir"/include/alsa
+ ln -sf . "$srcdir"/include/alsa
+fi
+
+AC_OUTPUT(Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg \
+ include/Makefile include/sound/Makefile src/Versions src/Makefile \
+ src/control/Makefile src/mixer/Makefile \
+ src/pcm/Makefile src/pcm/scopes/Makefile \
+ src/rawmidi/Makefile src/timer/Makefile \
+ src/hwdep/Makefile src/seq/Makefile src/ucm/Makefile \
+ src/alisp/Makefile \
+ src/conf/Makefile src/conf/alsa.conf.d/Makefile \
+ src/conf/cards/Makefile \
+ src/conf/pcm/Makefile \
+ src/conf/ucm/Makefile \
+ src/conf/ucm/DAISY-I2S/Makefile \
+ src/conf/ucm/PandaBoard/Makefile \
+ src/conf/ucm/PandaBoardES/Makefile \
+ src/conf/ucm/SDP4430/Makefile \
+ src/conf/ucm/tegraalc5632/Makefile \
+ src/conf/ucm/PAZ00/Makefile \
+ src/conf/ucm/GoogleNyan/Makefile \
+ modules/Makefile modules/mixer/Makefile modules/mixer/simple/Makefile \
+ alsalisp/Makefile aserver/Makefile \
+ test/Makefile test/lsb/Makefile \
+ utils/Makefile utils/alsa-lib.spec utils/alsa.pc)
+
+dnl Create asoundlib.h dynamically according to configure options
+echo "Creating asoundlib.h..."
+cp "$srcdir"/include/asoundlib-head.h include/asoundlib.h
+test "$ac_cv_header_endian_h" = "yes" && echo "#include <endian.h>" >> include/asoundlib.h
+if test "$ac_cv_header_sys_endian_h" = "yes"; then
+cat >> include/asoundlib.h <<EOF
+#include <sys/endian.h>
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER BYTE_ORDER
+#endif
+#ifndef __LITTLE_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#endif
+#ifndef __BIG_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#endif
+EOF
+fi
+cat >> include/asoundlib.h <<EOF
+
+#ifndef __GNUC__
+#define __inline__ inline
+#endif
+
+#include <alsa/asoundef.h>
+#include <alsa/version.h>
+#include <alsa/global.h>
+#include <alsa/input.h>
+#include <alsa/output.h>
+#include <alsa/error.h>
+#include <alsa/conf.h>
+EOF
+test "$build_pcm" = "yes" && echo "#include <alsa/pcm.h>" >> include/asoundlib.h
+test "$build_rawmidi" = "yes" && echo "#include <alsa/rawmidi.h>" >> include/asoundlib.h
+test "$build_pcm" = "yes" && echo "#include <alsa/timer.h>" >> include/asoundlib.h
+test "$build_hwdep" = "yes" && echo "#include <alsa/hwdep.h>" >> include/asoundlib.h
+echo "#include <alsa/control.h>" >> include/asoundlib.h
+test "$build_mixer" = "yes" && echo "#include <alsa/mixer.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq_event.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seqmid.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq_midi_event.h>" >> include/asoundlib.h
+cat "$srcdir"/include/asoundlib-tail.h >> include/asoundlib.h
+
diff --git a/configure.in b/configure.in
new file mode 100644
index 0000000..00fff2b
--- /dev/null
+++ b/configure.in
@@ -0,0 +1,691 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_PREREQ(2.59)
+AC_INIT(src/control/control.c)
+
+AC_CONFIG_MACRO_DIR([m4])
+
+dnl *************************************************
+dnl current:revision:age
+dnl change (without API) = c:r+1:a
+dnl change API = c+1:0:a
+dnl add API = c+1:0:a+1
+dnl remove API = c+1:0:0
+dnl *************************************************
+AC_CANONICAL_HOST
+AM_INIT_AUTOMAKE(alsa-lib, 1.0.27.2)
+eval LIBTOOL_VERSION_INFO="2:0:0"
+dnl *************************************************
+AM_CONDITIONAL([INSTALL_M4], [test -n "${ACLOCAL}"])
+
+AM_MAINTAINER_MODE([enable])
+
+# Test for new silent rules and enable only if they are available
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+AC_PREFIX_DEFAULT(/usr)
+
+dnl Checks for programs.
+
+dnl try to gues cross-compiler if not set
+if test "x$host" != "x$build" -a -z "`echo $CC | grep -e '-gcc'`";
+then
+ AC_MSG_CHECKING(for cross-compiler)
+
+ which ${program_prefix}gcc >/dev/null 2>&1 && CC=${program_prefix}gcc
+ which ${host_cpu}-${host_os}-gcc >/dev/null 2>&1 \
+ && CC=${host_cpu}-${host_os}-gcc
+ which ${host_cpu}-${host_vendor}-${host_os}-gcc >/dev/null 2>&1 \
+ && CC=${host_cpu}-${host_vendor}-${host_os}-gcc
+
+ AC_MSG_RESULT($CC)
+fi
+
+CFLAGS="$CFLAGS -D_GNU_SOURCE"
+
+
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_DISABLE_STATIC
+AC_LIBTOOL_DLOPEN
+AM_PROG_LIBTOOL
+
+CC_NOUNDEFINED
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_CONFIG_HEADERS(include/config.h)
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_HEADER_TIME
+
+dnl Checks for library functions.
+AC_PROG_GCC_TRADITIONAL
+AC_CHECK_FUNC([hsearch_r], [HAVE_HSEARCH_R=yes])
+AM_CONDITIONAL([ALSA_HSEARCH_R], [test "x$HAVE_HSEARCH_R" != xyes])
+AC_CHECK_FUNCS([uselocale])
+
+SAVE_LIBRARY_VERSION
+AC_SUBST(LIBTOOL_VERSION_INFO)
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+
+dnl Do not build static and shared libraries together
+if test "$enable_static" = "$enable_shared" -a "$enable_static" = "yes"; then
+cat <<EOF
+ Please, do not try to compile static and shared libraries together.
+ See INSTALL file for more details (do not use --enable-shared=yes with
+ --enable-static=yes).
+EOF
+ exit 1
+fi
+
+dnl ALSA configuration directory
+AC_ARG_WITH(configdir,
+ AS_HELP_STRING([--with-configdir=dir],
+ [path where ALSA config files are stored]),
+ confdir="$withval", confdir="")
+if test -z "$confdir"; then
+ eval dir="$datadir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$prefix/share"
+ esac
+ confdir="$dir/alsa"
+fi
+ALSA_CONFIG_DIR="$confdir"
+AC_DEFINE_UNQUOTED(ALSA_CONFIG_DIR, "$confdir", [directory containing ALSA configuration database])
+AC_SUBST(ALSA_CONFIG_DIR)
+
+dnl ALSA plugin directory
+test "x$exec_prefix" = xNONE && exec_prefix=$prefix
+
+AC_ARG_WITH(plugindir,
+ AS_HELP_STRING([--with-plugindir=dir],
+ [path where ALSA plugin files are stored]),
+ plugindir="$withval", plugindir="")
+if test -z "$plugindir"; then
+ eval dir="$libdir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$dir"
+ esac
+ plugindir="$dir/$PACKAGE"
+fi
+AC_DEFINE_UNQUOTED(ALSA_PLUGIN_DIR, "$plugindir", [directory containing ALSA add-on modules])
+ALSA_PLUGIN_DIR="$plugindir"
+AC_SUBST(ALSA_PLUGIN_DIR)
+
+AC_ARG_WITH(pkgconfdir,
+ AS_HELP_STRING([--with-pkgconfdir=dir],
+ [path where pkgconfig files are stored]),
+ pkgconfdir="$withval", pkgconfdir="")
+if test -z "$pkgconfdir"; then
+ eval dir="$libdir"
+ case "$dir" in
+ /*) ;;
+ *) dir="$dir"
+ esac
+ pkgconfdir="$dir/pkgconfig"
+fi
+AC_DEFINE_UNQUOTED(ALSA_PKGCONF_DIR, "$pkgconfdir", [directory containing pkgconfig files])
+ALSA_PKGCONF_DIR="$pkgconfdir"
+AC_SUBST(ALSA_PKGCONF_DIR)
+
+dnl Check for versioned symbols
+AC_MSG_CHECKING(for versioned symbols)
+AC_ARG_WITH(versioned,
+ AS_HELP_STRING([--with-versioned],
+ [shared library will be compiled with versioned symbols (default = yes)]),
+ versioned="$withval", versioned="yes")
+if test "$versioned" = "yes"; then
+ # it seems that GNU ld versions since 2.10 are not broken
+ xres=`grep '^VERSION=' ${srcdir}/ltmain.sh | cut -d = -f 2 | cut -d \" -f 2`
+ major=`echo $xres | cut -d . -f 1`
+ minor=`echo $xres | cut -d . -f 2`
+ pass=0
+ if test $major -eq 1 && test $minor -gt 3; then
+ pass=1
+ else
+ if test $major -gt 1; then
+ pass=1
+ fi
+ fi
+ if test $pass -eq 1; then
+ AC_DEFINE(VERSIONED_SYMBOLS,,[compiled with versioned symbols])
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(broken libtool - use libtool v1.4+; no versions)
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL([VERSIONED_SYMBOLS], [test x$versioned = xyes])
+
+dnl Check for symbolic-functions
+AC_MSG_CHECKING(for symbolic-functions)
+AC_ARG_ENABLE(symbolic-functions,
+ AS_HELP_STRING([--enable-symbolic-functions],
+ [use -Bsymbolic-functions option if available (optmization for size and speed)]),
+ symfuncs="$enableval", symfuncs="no")
+if test "$symfuncs" = "yes"; then
+ if ld --help | grep -q -- '-Bsymbolic-functions'; then
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(not supported by ld)
+ symfuncs="no"
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL([SYMBOLIC_FUNCTIONS], [test x"$symfuncs" = xyes])
+
+dnl See if toolchain has a custom prefix for symbols ...
+AC_MSG_CHECKING(for custom symbol prefixes)
+SYMBOL_PREFIX=` \
+ echo "PREFIX=__USER_LABEL_PREFIX__" \
+ | ${CPP-${CC-gcc} -E} - 2>&1 \
+ | ${EGREP-grep} "^PREFIX=" \
+ | ${SED-sed} "s:^PREFIX=::"`
+AC_DEFINE_UNQUOTED([__SYMBOL_PREFIX], "$SYMBOL_PREFIX", [Toolchain Symbol Prefix])
+AC_SUBST(SYMBOL_PREFIX)
+AC_MSG_RESULT($SYMBOL_PREFIX)
+
+dnl Check for debug...
+AC_MSG_CHECKING(for debug)
+AC_ARG_WITH(debug,
+ AS_HELP_STRING([--with-debug],
+ [library will be compiled with asserts (default = yes)]),
+ debug="$withval", debug="yes")
+if test "$debug" = "yes"; then
+ AC_MSG_RESULT(yes)
+else
+ AC_DEFINE(NDEBUG,,[No assert debug])
+ AC_MSG_RESULT(no)
+fi
+
+if test "$debug" = "yes"; then
+ AC_MSG_CHECKING(for debug assert)
+ AC_ARG_ENABLE(debug-assert,
+ AS_HELP_STRING([--enable-debug],
+ [enable assert call at the default error message handler]),
+ debug_assert="$enableval", debug_assert="no")
+ if test "$debug_assert" = "yes"; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(ALSA_DEBUG_ASSERT,,[Enable assert at error message handler])
+ else
+ AC_MSG_RESULT(no)
+ fi
+fi
+
+dnl Temporary directory
+AC_MSG_CHECKING(for tmpdir)
+AC_ARG_WITH(tmpdir,
+ AS_HELP_STRING([--with-tmpdir=directory],
+ [directory to put tmp socket files (/tmp)]),
+ tmpdir="$withval", tmpdir="/tmp")
+AC_MSG_RESULT($tmpdir)
+AC_DEFINE_UNQUOTED(TMPDIR, "$tmpdir", [directory to put tmp socket files])
+
+dnl Check for softfloat...
+AC_MSG_CHECKING(for softfloat)
+AC_ARG_WITH(softfloat,
+ AS_HELP_STRING([--with-softfloat],
+ [do you have floating point unit on this machine? (optional)]),
+ [case "$withval" in
+ y|yes) softfloat=yes ;;
+ *) softfloat=no ;;
+ esac],)
+if test "$softfloat" = "yes" ; then
+ AC_DEFINE(HAVE_SOFT_FLOAT, "1", [Avoid calculation in float])
+ AC_MSG_RESULT(yes)
+else
+ AC_MSG_RESULT(no)
+fi
+
+ALSA_DEPLIBS=""
+if test "$softfloat" != "yes"; then
+ ALSA_DEPLIBS="-lm"
+fi
+
+dnl Check for libdl
+AC_MSG_CHECKING(for libdl)
+AC_ARG_WITH(libdl,
+ AS_HELP_STRING([--with-libdl], [Use libdl for plugins (default = yes)]),
+ [ have_libdl="$withval" ], [ have_libdl="yes" ])
+HAVE_LIBDL=
+if test "$have_libdl" = "yes"; then
+ AC_CHECK_LIB([dl], [dlsym], [HAVE_LIBDL="yes"])
+ if test "$HAVE_LIBDL" = "yes" ; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -ldl"
+ AC_DEFINE([HAVE_LIBDL], 1, [Have libdl])
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL([BUILD_MODULES], [test "$HAVE_LIBDL" = "yes"])
+
+dnl Check for pthread
+AC_MSG_CHECKING(for pthread)
+AC_ARG_WITH(pthread,
+ AS_HELP_STRING([--with-pthread], [Use pthread (default = yes)]),
+ [ have_pthread="$withval" ], [ have_pthread="yes" ])
+if test "$have_pthread" = "yes"; then
+ AC_CHECK_LIB([pthread], [pthread_join], [HAVE_LIBPTHREAD="yes"])
+ if test "$HAVE_LIBPTHREAD" = "yes"; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -lpthread"
+ AC_DEFINE([HAVE_LIBPTHREAD], 1, [Have libpthread])
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+dnl Check for __thread
+AC_MSG_CHECKING([for __thread])
+AC_LINK_IFELSE([AC_LANG_PROGRAM([#if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) || (__GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ < 2))
+#error gcc has this bug: http://gcc.gnu.org/ml/gcc-bugs/2006-09/msg02275.html
+#endif], [static __thread int p = 0])],
+[AC_DEFINE(HAVE___THREAD, 1,
+Define to 1 if compiler supports __thread)
+AC_MSG_RESULT([yes])],
+[AC_MSG_RESULT([no])])
+
+dnl Check for librt
+AC_MSG_CHECKING(for librt)
+AC_ARG_WITH(librt,
+ AS_HELP_STRING([--with-librt], [Use librt for monotonic clock (default = yes)]),
+ [ have_librt="$withval" ], [ have_librt="yes" ])
+if test "$have_librt" = "yes"; then
+ AC_CHECK_LIB([rt], [clock_gettime], [HAVE_LIBRT="yes"])
+ if test "$HAVE_LIBRT" = "yes" ; then
+ ALSA_DEPLIBS="$ALSA_DEPLIBS -lrt"
+ AC_DEFINE([HAVE_LIBRT], 1, [Have librt])
+ AC_DEFINE([HAVE_CLOCK_GETTIME], 1, [Have clock gettime])
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+AC_SUBST(ALSA_DEPLIBS)
+
+dnl Check for architecture
+AC_MSG_CHECKING(for architecture)
+case "$host" in
+i?86*)
+ AC_MSG_RESULT(x86)
+ ;;
+x86_64*)
+ AC_MSG_RESULT(x86)
+ ;;
+alpha*)
+ AC_MSG_RESULT(alpha)
+ ;;
+powerpc*|ppc*)
+ AC_MSG_RESULT(ppc)
+ CPPFLAGS="$CPPFLAGS -D__ppc__"
+ ;;
+ia64*)
+ AC_MSG_RESULT(ia64)
+ CPPFLAGS="$CPPFLAGS -D__ia64__"
+ ;;
+mips*)
+ AC_MSG_RESULT(mips)
+ CPPFLAGS="$CPPFLAGS -D__mips__"
+ ;;
+arm*)
+ AC_MSG_RESULT(arm)
+ CPPFLAGS="$CPPFLAGS -D__arm__"
+ ;;
+*)
+ AC_MSG_RESULT($host_cpu)
+ echo "No atomic operations supported.."
+ ;;
+esac
+
+dnl Check for wordexp.h
+AC_CHECK_HEADERS([wordexp.h])
+
+dnl Check for resmgr support...
+AC_MSG_CHECKING(for resmgr support)
+AC_ARG_ENABLE(resmgr,
+ AS_HELP_STRING([--enable-resmgr], [support resmgr (optional)]),
+ resmgr="$enableval", resmgr="no")
+AC_MSG_RESULT($resmgr)
+if test "$resmgr" = "yes"; then
+ AC_CHECK_LIB(resmgr, rsm_open_device,,
+ AC_ERROR([Cannot find libresmgr]))
+ AC_DEFINE(SUPPORT_RESMGR, "1", [Support resmgr with alsa-lib])
+fi
+
+dnl Check for aload* support...
+AC_MSG_CHECKING(for aload* support)
+AC_ARG_ENABLE(aload,
+ AS_HELP_STRING([--disable-aload], [disable reading /dev/aload*]),
+ aload="$enableval", aload="yes")
+AC_MSG_RESULT($aload)
+if test "$aload" = "yes"; then
+ AC_DEFINE(SUPPORT_ALOAD, "1", [Support /dev/aload* access for auto-loading])
+fi
+
+dnl Check for non-standard /dev directory
+AC_MSG_CHECKING([for ALSA device file directory])
+AC_ARG_WITH(alsa-devdir,
+ AS_HELP_STRING([--with-alsa-devdir=dir],
+ [directory with ALSA device files (default /dev/snd)]),
+ [alsa_dev_dir="$withval"],
+ [alsa_dev_dir="/dev/snd"])
+dnl make sure it has a trailing slash
+if echo "$alsa_dev_dir" | grep -v '/$' > /dev/null; then
+ alsa_dev_dir="$alsa_dev_dir/"
+fi
+AC_DEFINE_UNQUOTED(ALSA_DEVICE_DIRECTORY, "$alsa_dev_dir", [Directory with ALSA device files])
+AC_MSG_RESULT([$alsa_dev_dir])
+
+AC_MSG_CHECKING([for aload* device file directory])
+AC_ARG_WITH(aload-devdir,
+ AS_HELP_STRING([--with-aload-devdir=dir],
+ [directory with aload* device files (default /dev)]),
+ [aload_dev_dir="$withval"],
+ [aload_dev_dir="/dev"])
+if echo "$aload_dev_dir" | grep -v '/$' > /dev/null; then
+ aload_dev_dir="$aload_dev_dir/"
+fi
+AC_DEFINE_UNQUOTED(ALOAD_DEVICE_DIRECTORY, "$aload_dev_dir", [Directory with aload* device files])
+AC_MSG_RESULT([$aload_dev_dir])
+
+dnl Build conditions
+AC_ARG_ENABLE(mixer,
+ AS_HELP_STRING([--disable-mixer], [disable the mixer component]),
+ [build_mixer="$enableval"], [build_mixer="yes"])
+AC_ARG_ENABLE(pcm,
+ AS_HELP_STRING([--disable-pcm], [disable the PCM component]),
+ [build_pcm="$enableval"], [build_pcm="yes"])
+AC_ARG_ENABLE(rawmidi,
+ AS_HELP_STRING([--disable-rawmidi], [disable the raw MIDI component]),
+ [build_rawmidi="$enableval"], [build_rawmidi="yes"])
+AC_ARG_ENABLE(hwdep,
+ AS_HELP_STRING([--disable-hwdep], [disable the hwdep component]),
+ [build_hwdep="$enableval"], [build_hwdep="yes"])
+AC_ARG_ENABLE(seq,
+ AS_HELP_STRING([--disable-seq], [disable the sequencer component]),
+ [build_seq="$enableval"], [build_seq="yes"])
+AC_ARG_ENABLE(ucm,
+ AS_HELP_STRING([--disable-ucm], [disable the use-case-manager component]),
+ [build_ucm="$enableval"], [build_ucm="yes"])
+AC_ARG_ENABLE(alisp,
+ AS_HELP_STRING([--disable-alisp], [disable the alisp component]),
+ [build_alisp="$enableval"], [build_alisp="yes"])
+test "$softfloat" = "yes" && build_alisp="no"
+AC_ARG_ENABLE(old-symbols,
+ AS_HELP_STRING([--disable-old-symbols], [disable old obsoleted symbols]),
+ [keep_old_symbols="$enableval"], [keep_old_symbols="yes"])
+AM_CONDITIONAL([KEEP_OLD_SYMBOLS], [test x$keep_old_symbols = xyes])
+
+AC_ARG_ENABLE(python,
+ AS_HELP_STRING([--disable-python], [disable the python components]),
+ [build_python="$enableval"], [build_python="yes"])
+PYTHON_LIBS=""
+PYTHON_INCLUDES=""
+if test "$build_python" = "yes"; then
+ AC_ARG_WITH(pythonlibs,
+ AS_HELP_STRING([--with-pythonlibs=ldflags],
+ [specify python libraries (-lpthread -lm -ldl -lpython2.4)]),
+ pythonlibs="$withval", pythonlibs=`python-config --libs`)
+ AC_ARG_WITH(pythonincludes,
+ AS_HELP_STRING([--with-pythonincludes=Cflags],
+ [specify python C header files (-I/usr/include/python)]),
+ pythonincludes="$withval", pythonincludes=`python-config --includes`)
+ if test -z "$pythonlibs"; then
+ echo "Unable to determine python libraries! Probably python-config is not"
+ echo "available on this system. Please, use --with-pythonlibs and"
+ echo "--with-pythonincludes options. Python components are disabled in this build."
+ build_python="no"
+ else
+ PYTHON_LIBS="$pythonlibs"
+ PYTHON_INCLUDES="$pythonincludes"
+ fi
+fi
+AC_SUBST(PYTHON_LIBS)
+AC_SUBST(PYTHON_INCLUDES)
+
+AM_CONDITIONAL([BUILD_MIXER], [test x$build_mixer = xyes])
+AM_CONDITIONAL([BUILD_PCM], [test x$build_pcm = xyes])
+AM_CONDITIONAL([BUILD_RAWMIDI], [test x$build_rawmidi = xyes])
+AM_CONDITIONAL([BUILD_HWDEP], [test x$build_hwdep = xyes])
+AM_CONDITIONAL([BUILD_SEQ], [test x$build_seq = xyes])
+AM_CONDITIONAL([BUILD_UCM], [test x$build_ucm = xyes])
+AM_CONDITIONAL([BUILD_ALISP], [test x$build_alisp = xyes])
+AM_CONDITIONAL([BUILD_PYTHON], [test x$build_python = xyes])
+
+if test "$build_mixer" = "yes"; then
+ AC_DEFINE([BUILD_MIXER], "1", [Build mixer component])
+fi
+if test "$build_pcm" = "yes"; then
+ AC_DEFINE([BUILD_PCM], "1", [Build PCM component])
+fi
+if test "$build_rawmidi" = "yes"; then
+ AC_DEFINE([BUILD_RAWMIDI], "1", [Build raw MIDI component])
+fi
+if test "$build_hwdep" = "yes"; then
+ AC_DEFINE([BUILD_HWDEP], "1", [Build hwdep component])
+fi
+if test "$build_seq" = "yes"; then
+ AC_DEFINE([BUILD_SEQ], "1", [Build sequencer component])
+fi
+if test "$build_ucm" = "yes"; then
+ AC_DEFINE([BUILD_UCM], "1", [Build UCM component])
+fi
+
+dnl PCM Plugins
+
+if test "$build_pcm" = "yes"; then
+AC_ARG_WITH(pcm-plugins,
+ AS_HELP_STRING([--with-pcm-plugins=<list>],
+ [build PCM plugins (default = all)]),
+ [pcm_plugins="$withval"], [pcm_plugins="all"])
+else
+pcm_plugins=""
+fi
+
+PCM_PLUGIN_LIST="copy linear route mulaw alaw adpcm rate plug multi shm file null empty share meter hooks lfloat ladspa dmix dshare dsnoop asym iec958 softvol extplug ioplug mmap_emul"
+
+build_pcm_plugin="no"
+for t in $PCM_PLUGIN_LIST; do
+ eval build_pcm_$t="no"
+done
+
+pcm_plugins=`echo $pcm_plugins | sed 's/,/ /g'`
+for p in $pcm_plugins; do
+ for t in $PCM_PLUGIN_LIST; do
+ if test "$p" = "$t" -o "$p" = "all"; then
+ eval build_pcm_$t="yes"
+ build_pcm_plugin="yes"
+ fi
+ done
+done
+
+dnl special dependencies
+if test "$build_pcm_plug" = "yes"; then
+ build_pcm_linear="yes"
+ build_pcm_copy="yes"
+fi
+
+if test "$build_pcm_ioplug" = "yes"; then
+ build_pcm_extplug="yes"
+fi
+
+if test "$HAVE_LIBDL" != "yes"; then
+ build_pcm_meter="no"
+ build_pcm_ladspa="no"
+ build_pcm_pcm_ioplug="no"
+ build_pcm_pcm_extplug="no"
+fi
+
+if test "$HAVE_LIBPTHREAD" != "yes"; then
+ build_pcm_share="no"
+fi
+
+if test "$softfloat" = "yes"; then
+ build_pcm_lfloat="no"
+ build_pcm_ladspa="no"
+fi
+
+AM_CONDITIONAL([BUILD_PCM_PLUGIN], [test x$build_pcm_plugin = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_COPY], [test x$build_pcm_copy = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_LINEAR], [test x$build_pcm_linear = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ROUTE], [test x$build_pcm_route = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_MULAW], [test x$build_pcm_mulaw = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ALAW], [test x$build_pcm_alaw = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ADPCM], [test x$build_pcm_adpcm = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_RATE], [test x$build_pcm_rate = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_PLUG], [test x$build_pcm_plug = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_MULTI], [test x$build_pcm_multi = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_SHM], [test x$build_pcm_shm = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_FILE], [test x$build_pcm_file = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_NULL], [test x$build_pcm_null = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_EMPTY], [test x$build_pcm_empty = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_SHARE], [test x$build_pcm_share = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_METER], [test x$build_pcm_meter = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_HOOKS], [test x$build_pcm_hooks = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_LFLOAT], [test x$build_pcm_lfloat = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_LADSPA], [test x$build_pcm_ladspa = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_DMIX], [test x$build_pcm_dmix = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_DSHARE], [test x$build_pcm_dshare = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_DSNOOP], [test x$build_pcm_dsnoop = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_ASYM], [test x$build_pcm_asym = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_IEC958], [test x$build_pcm_iec958 = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_SOFTVOL], [test x$build_pcm_softvol = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_EXTPLUG], [test x$build_pcm_extplug = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_IOPLUG], [test x$build_pcm_ioplug = xyes])
+AM_CONDITIONAL([BUILD_PCM_PLUGIN_MMAP_EMUL], [test x$build_pcm_mmap_emul = xyes])
+
+dnl Defines for plug plugin
+if test "$build_pcm_rate" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_RATE], "1", [Build PCM rate plugin])
+fi
+if test "$build_pcm_route" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_ROUTE], "1", [Build PCM route plugin])
+fi
+if test "$build_pcm_lfloat" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_LFLOAT], "1", [Build PCM lfloat plugin])
+fi
+if test "$build_pcm_adpcm" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_ADPCM], "1", [Build PCM adpcm plugin])
+fi
+if test "$build_pcm_mulaw" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_MULAW], "1", [Build PCM mulaw plugin])
+fi
+if test "$build_pcm_alaw" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_ALAW], "1", [Build PCM alaw plugin])
+fi
+if test "$build_pcm_mmap_emul" = "yes"; then
+ AC_DEFINE([BUILD_PCM_PLUGIN_MMAP_EMUL], "1", [Build PCM mmap-emul plugin])
+fi
+
+
+dnl Create PCM plugin symbol list for static library
+rm -f "$srcdir"/src/pcm/pcm_symbols_list.c
+touch "$srcdir"/src/pcm/pcm_symbols_list.c
+for t in $PCM_PLUGIN_LIST; do
+ if eval test \$build_pcm_$t = yes; then
+ echo \&_snd_module_pcm_$t, >> "$srcdir"/src/pcm/pcm_symbols_list.c
+ fi
+done
+
+dnl Control Plugins
+
+AC_ARG_WITH(ctl-plugins,
+ AS_HELP_STRING([--with-ctl-plugins=<list>],
+ [build control plugins (default = all)]),
+ [ctl_plugins="$withval"], [ctl_plugins="all"])
+
+CTL_PLUGIN_LIST="shm ext"
+
+build_ctl_plugin="no"
+for t in $CTL_PLUGIN_LIST; do
+ eval build_ctl_$t="no"
+done
+
+ctl_plugins=`echo $ctl_plugins | sed 's/,/ /g'`
+for p in $ctl_plugins; do
+ for t in $CTL_PLUGIN_LIST; do
+ if test "$p" = "$t" -o "$p" = "all"; then
+ eval build_ctl_$t="yes"
+ build_ctl_plugin="yes"
+ fi
+ done
+done
+
+AM_CONDITIONAL([BUILD_CTL_PLUGIN], [test x$build_ctl_plugin = xyes])
+AM_CONDITIONAL([BUILD_CTL_PLUGIN_SHM], [test x$build_ctl_shm = xyes])
+AM_CONDITIONAL([BUILD_CTL_PLUGIN_EXT], [test x$build_ctl_ext = xyes])
+
+dnl Create ctl plugin symbol list for static library
+rm -f "$srcdir"/src/control/ctl_symbols_list.c
+touch "$srcdir"/src/control/ctl_symbols_list.c
+for t in $CTL_PLUGIN_LIST; do
+ if eval test \$build_ctl_$t = yes; then
+ echo \&_snd_module_control_$t, >> "$srcdir"/src/control/ctl_symbols_list.c
+ fi
+done
+
+dnl Max number of cards
+AC_MSG_CHECKING(for max number of cards)
+AC_ARG_WITH(max-cards,
+ AS_HELP_STRING([--with-max-cards], [Specify the max number of cards (default = 32)]),
+ [ max_cards="$withval" ], [ max_cards="32" ])
+AC_MSG_RESULT([$max_cards])
+
+if test "$max_cards" -lt 1; then
+ AC_ERROR([Invalid max cards $max_cards])
+elif test "$max_cards" -gt 256; then
+ AC_ERROR([Invalid max cards $max_cards])
+fi
+AC_DEFINE_UNQUOTED(SND_MAX_CARDS, $max_cards, [Max number of cards])
+
+dnl Make a symlink for inclusion of alsa/xxx.h
+if test ! -L "$srcdir"/include/alsa ; then
+ echo "Making a symlink include/alsa"
+ rm -f "$srcdir"/include/alsa
+ ln -sf . "$srcdir"/include/alsa
+fi
+
+AC_OUTPUT(Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg \
+ include/Makefile include/sound/Makefile src/Versions src/Makefile \
+ src/control/Makefile src/mixer/Makefile \
+ src/pcm/Makefile src/pcm/scopes/Makefile \
+ src/rawmidi/Makefile src/timer/Makefile \
+ src/hwdep/Makefile src/seq/Makefile src/ucm/Makefile \
+ src/compat/Makefile src/alisp/Makefile \
+ src/conf/Makefile src/conf/alsa.conf.d/Makefile \
+ src/conf/cards/Makefile \
+ src/conf/pcm/Makefile \
+ src/conf/ucm/Makefile \
+ src/conf/ucm/DAISY-I2S/Makefile \
+ src/conf/ucm/PandaBoard/Makefile \
+ src/conf/ucm/PandaBoardES/Makefile \
+ src/conf/ucm/SDP4430/Makefile \
+ src/conf/ucm/tegraalc5632/Makefile \
+ modules/Makefile modules/mixer/Makefile modules/mixer/simple/Makefile \
+ alsalisp/Makefile aserver/Makefile \
+ test/Makefile test/lsb/Makefile \
+ utils/Makefile utils/alsa-lib.spec utils/alsa.pc)
+
+dnl Create asoundlib.h dynamically according to configure options
+echo "Creating asoundlib.h..."
+cp "$srcdir"/include/asoundlib-head.h include/asoundlib.h
+test "$build_pcm" = "yes" && echo "#include <alsa/pcm.h>" >> include/asoundlib.h
+test "$build_rawmidi" = "yes" && echo "#include <alsa/rawmidi.h>" >> include/asoundlib.h
+test "$build_pcm" = "yes" && echo "#include <alsa/timer.h>" >> include/asoundlib.h
+test "$build_hwdep" = "yes" && echo "#include <alsa/hwdep.h>" >> include/asoundlib.h
+echo "#include <alsa/control.h>" >> include/asoundlib.h
+test "$build_mixer" = "yes" && echo "#include <alsa/mixer.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq_event.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seqmid.h>" >> include/asoundlib.h
+test "$build_seq" = "yes" && echo "#include <alsa/seq_midi_event.h>" >> include/asoundlib.h
+cat "$srcdir"/include/asoundlib-tail.h >> include/asoundlib.h
+
diff --git a/depcomp b/depcomp
new file mode 100755
index 0000000..debb6ff
--- /dev/null
+++ b/depcomp
@@ -0,0 +1,707 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2012-03-27.16; # UTC
+
+# Copyright (C) 1999-2012 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+ '')
+ echo "$0: No command. Try '$0 --help' for more information." 1>&2
+ exit 1;
+ ;;
+ -h | --h*)
+ cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+ depmode Dependency tracking mode.
+ source Source file read by 'PROGRAMS ARGS'.
+ object Object file output by 'PROGRAMS ARGS'.
+ DEPDIR directory where to store dependencies.
+ depfile Dependency file to output.
+ tmpdepfile Temporary file to use when outputting dependencies.
+ libtool Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+ exit $?
+ ;;
+ -v | --v*)
+ echo "depcomp $scriptversion"
+ exit $?
+ ;;
+esac
+
+# A tabulation character.
+tab=' '
+# A newline character.
+nl='
+'
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+ echo "depcomp: Variables source, object and depmode must be set" 1>&2
+ exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+ sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Some modes work just like other modes, but use different flags. We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write. Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+ # HP compiler uses -M and no extra arg.
+ gccflag=-M
+ depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+ # This is just like dashmstdout with a different argument.
+ dashmflag=-xM
+ depmode=dashmstdout
+fi
+
+cygpath_u="cygpath -u -f -"
+if test "$depmode" = msvcmsys; then
+ # This is just like msvisualcpp but w/o cygpath translation.
+ # Just convert the backslash-escaped backslashes to single forward
+ # slashes to satisfy depend.m4
+ cygpath_u='sed s,\\\\,/,g'
+ depmode=msvisualcpp
+fi
+
+if test "$depmode" = msvc7msys; then
+ # This is just like msvc7 but w/o cygpath translation.
+ # Just convert the backslash-escaped backslashes to single forward
+ # slashes to satisfy depend.m4
+ cygpath_u='sed s,\\\\,/,g'
+ depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+ # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
+ gccflag=-qmakedep=gcc,-MF
+ depmode=gcc
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want. Yay! Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff. Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am. Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+ for arg
+ do
+ case $arg in
+ -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+ *) set fnord "$@" "$arg" ;;
+ esac
+ shift # fnord
+ shift # $arg
+ done
+ "$@"
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ mv "$tmpdepfile" "$depfile"
+ ;;
+
+gcc)
+## There are various ways to get dependency output from gcc. Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+## up in a subdir. Having to rename by hand is ugly.
+## (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+## -MM, not -M (despite what the docs say).
+## - Using -M directly means running the compiler twice (even worse
+## than renaming).
+ if test -z "$gccflag"; then
+ gccflag=-MD,
+ fi
+ "$@" -Wp,"$gccflag$tmpdepfile"
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ rm -f "$depfile"
+ echo "$object : \\" > "$depfile"
+ alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+## The second -e expression handles DOS-style file names with drive letters.
+ sed -e 's/^[^:]*: / /' \
+ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the "deleted header file" problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header). We avoid this by adding
+## dummy dependencies for each header file. Too bad gcc doesn't do
+## this for us directly.
+ tr ' ' "$nl" < "$tmpdepfile" |
+## Some versions of gcc put a space before the ':'. On the theory
+## that the space means something, we add a space to the output as
+## well. hp depmode also adds that space, but also prefixes the VPATH
+## to the object. Take care to not repeat it in the output.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly. Breaking it into two sed invocations is a workaround.
+ sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+ | sed -e 's/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+hp)
+ # This case exists only to let depend.m4 do its work. It works by
+ # looking at the text of this script. This case will never be run,
+ # since it is checked for above.
+ exit 1
+ ;;
+
+sgi)
+ if test "$libtool" = yes; then
+ "$@" "-Wp,-MDupdate,$tmpdepfile"
+ else
+ "$@" -MDupdate "$tmpdepfile"
+ fi
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ rm -f "$depfile"
+
+ if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
+ echo "$object : \\" > "$depfile"
+
+ # Clip off the initial element (the dependent). Don't try to be
+ # clever and replace this with sed code, as IRIX sed won't handle
+ # lines with more than a fixed number of characters (4096 in
+ # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
+ # the IRIX cc adds comments like '#:fec' to the end of the
+ # dependency line.
+ tr ' ' "$nl" < "$tmpdepfile" \
+ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
+ tr "$nl" ' ' >> "$depfile"
+ echo >> "$depfile"
+
+ # The second pass generates a dummy entry for each header file.
+ tr ' ' "$nl" < "$tmpdepfile" \
+ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+ >> "$depfile"
+ else
+ # The sourcefile does not contain any dependencies, so just
+ # store a dummy comment line, to avoid errors with the Makefile
+ # "include basename.Plo" scheme.
+ echo "#dummy" > "$depfile"
+ fi
+ rm -f "$tmpdepfile"
+ ;;
+
+xlc)
+ # This case exists only to let depend.m4 do its work. It works by
+ # looking at the text of this script. This case will never be run,
+ # since it is checked for above.
+ exit 1
+ ;;
+
+aix)
+ # The C for AIX Compiler uses -M and outputs the dependencies
+ # in a .u file. In older versions, this file always lives in the
+ # current directory. Also, the AIX compiler puts '$object:' at the
+ # start of each line; $object doesn't have directory information.
+ # Version 6 uses the directory in both cases.
+ dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+ test "x$dir" = "x$object" && dir=
+ base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+ if test "$libtool" = yes; then
+ tmpdepfile1=$dir$base.u
+ tmpdepfile2=$base.u
+ tmpdepfile3=$dir.libs/$base.u
+ "$@" -Wc,-M
+ else
+ tmpdepfile1=$dir$base.u
+ tmpdepfile2=$dir$base.u
+ tmpdepfile3=$dir$base.u
+ "$@" -M
+ fi
+ stat=$?
+
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+ exit $stat
+ fi
+
+ for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+ do
+ test -f "$tmpdepfile" && break
+ done
+ if test -f "$tmpdepfile"; then
+ # Each line is of the form 'foo.o: dependent.h'.
+ # Do two passes, one to just change these to
+ # '$object: dependent.h' and one to simply 'dependent.h:'.
+ sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+ sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+ else
+ # The sourcefile does not contain any dependencies, so just
+ # store a dummy comment line, to avoid errors with the Makefile
+ # "include basename.Plo" scheme.
+ echo "#dummy" > "$depfile"
+ fi
+ rm -f "$tmpdepfile"
+ ;;
+
+icc)
+ # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
+ # However on
+ # $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+ # ICC 7.0 will fill foo.d with something like
+ # foo.o: sub/foo.c
+ # foo.o: sub/foo.h
+ # which is wrong. We want
+ # sub/foo.o: sub/foo.c
+ # sub/foo.o: sub/foo.h
+ # sub/foo.c:
+ # sub/foo.h:
+ # ICC 7.1 will output
+ # foo.o: sub/foo.c sub/foo.h
+ # and will wrap long lines using '\':
+ # foo.o: sub/foo.c ... \
+ # sub/foo.h ... \
+ # ...
+ # tcc 0.9.26 (FIXME still under development at the moment of writing)
+ # will emit a similar output, but also prepend the continuation lines
+ # with horizontal tabulation characters.
+ "$@" -MD -MF "$tmpdepfile"
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile"
+ exit $stat
+ fi
+ rm -f "$depfile"
+ # Each line is of the form 'foo.o: dependent.h',
+ # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.
+ # Do two passes, one to just change these to
+ # '$object: dependent.h' and one to simply 'dependent.h:'.
+ sed -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \
+ < "$tmpdepfile" > "$depfile"
+ sed '
+ s/[ '"$tab"'][ '"$tab"']*/ /g
+ s/^ *//
+ s/ *\\*$//
+ s/^[^:]*: *//
+ /^$/d
+ /:$/d
+ s/$/ :/
+ ' < "$tmpdepfile" >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+hp2)
+ # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+ # compilers, which have integrated preprocessors. The correct option
+ # to use with these is +Maked; it writes dependencies to a file named
+ # 'foo.d', which lands next to the object file, wherever that
+ # happens to be.
+ # Much of this is similar to the tru64 case; see comments there.
+ dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+ test "x$dir" = "x$object" && dir=
+ base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
+ if test "$libtool" = yes; then
+ tmpdepfile1=$dir$base.d
+ tmpdepfile2=$dir.libs/$base.d
+ "$@" -Wc,+Maked
+ else
+ tmpdepfile1=$dir$base.d
+ tmpdepfile2=$dir$base.d
+ "$@" +Maked
+ fi
+ stat=$?
+ if test $stat -eq 0; then :
+ else
+ rm -f "$tmpdepfile1" "$tmpdepfile2"
+ exit $stat
+ fi
+
+ for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+ do
+ test -f "$tmpdepfile" && break
+ done
+ if test -f "$tmpdepfile"; then
+ sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
+ # Add 'dependent.h:' lines.
+ sed -ne '2,${
+ s/^ *//
+ s/ \\*$//
+ s/$/:/
+ p
+ }' "$tmpdepfile" >> "$depfile"
+ else
+ echo "#dummy" > "$depfile"
+ fi
+ rm -f "$tmpdepfile" "$tmpdepfile2"
+ ;;
+
+tru64)
+ # The Tru64 compiler uses -MD to generate dependencies as a side
+ # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+ # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+ # dependencies in 'foo.d' instead, so we check for that too.
+ # Subdirectories are respected.
+ dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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+
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+ # generates 2 separate objects for the 2 libraries. These two
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+ # in $dir$base.o.d. We have to check for both files, because
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+ # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+ # automatically cleaned when .libs/ is deleted, while ignoring
+ # the former would cause a distcleancheck panic.
+ tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
+ tmpdepfile2=$dir$base.o.d # libtool 1.5
+ tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
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+ "$@" -Wc,-MD
+ else
+ tmpdepfile1=$dir$base.o.d
+ tmpdepfile2=$dir$base.d
+ tmpdepfile3=$dir$base.d
+ tmpdepfile4=$dir$base.d
+ "$@" -MD
+ fi
+
+ stat=$?
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+ rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+ exit $stat
+ fi
+
+ for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+ do
+ test -f "$tmpdepfile" && break
+ done
+ if test -f "$tmpdepfile"; then
+ sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+ sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+ else
+ echo "#dummy" > "$depfile"
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+ fi
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+ stat=$?
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+ # since it is checked for above.
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+
+ # Remove the call to Libtool.
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+ # Require at least two characters before searching for ':'
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+ sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
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+## Some versions of the HPUX 10.20 sed can't process this invocation
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+ sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+dashXmstdout)
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+ ;;
+
+makedepend)
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+ # Remove any Libtool call
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+ eat=yes ;;
+ -*|$object)
+ ;;
+ *)
+ set fnord "$@" "$arg"; shift ;;
+ esac
+ done
+ obj_suffix=`echo "$object" | sed 's/^.*\././'`
+ touch "$tmpdepfile"
+ ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+ rm -f "$depfile"
+ # makedepend may prepend the VPATH from the source file name to the object.
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+ sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
+ sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
+## Some versions of the HPUX 10.20 sed can't process this invocation
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+ rm -f "$tmpdepfile" "$tmpdepfile".bak
+ ;;
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+ esac
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+ "$@" -E |
+ sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
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+ rm -f "$depfile"
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+ cat < "$tmpdepfile" >> "$depfile"
+ sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+msvisualcpp)
+ # Important note: in order to support this mode, a compiler *must*
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+ "$@" || exit $?
+
+ # Remove the call to Libtool.
+ if test "$libtool" = yes; then
+ while test "X$1" != 'X--mode=compile'; do
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+ *)
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+ shift
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+ "$@" -E 2>/dev/null |
+ sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+ rm -f "$depfile"
+ echo "$object : \\" > "$depfile"
+ sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
+ echo "$tab" >> "$depfile"
+ sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+ rm -f "$tmpdepfile"
+ ;;
+
+msvcmsys)
+ # This case exists only to let depend.m4 do its work. It works by
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+ ;;
+
+none)
+ exec "$@"
+ ;;
+
+*)
+ echo "Unknown depmode $depmode" 1>&2
+ exit 1
+ ;;
+esac
+
+exit 0
+
+# Local Variables:
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+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
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diff --git a/doc/Makefile.am b/doc/Makefile.am
new file mode 100644
index 0000000..e087f42
--- /dev/null
+++ b/doc/Makefile.am
@@ -0,0 +1,22 @@
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+
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+
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+
+doc-pack: doc
+ -chmod a+r $(top_srcdir)/doc/doxygen/html/*
+ -chmod a-w $(top_srcdir)/doc/doxygen/html/*
+ if ! test -z "$(AMTAR)"; then \
+ $(AMTAR) --create --directory=$(top_srcdir)/doc/doxygen/html --verbose --file=- . | bzip2 -c -9 > $(top_srcdir)/../alsa-lib-doc.tar.bz2 ; \
+ else \
+ $(TAR) --create --directory=$(top_srcdir)/doc/doxygen/html --verbose --file=- . | bzip2 -c -9 > $(top_srcdir)/../alsa-lib-doc.tar.bz2 ; \
+ fi
+ rm -rf $(top_srcdir)/doc/doxygen/html/*
+
+doc-clean:
+ rm -rf $(top_srcdir)/doc/doxygen/html/*
diff --git a/doc/Makefile.in b/doc/Makefile.in
new file mode 100644
index 0000000..5b9b738
--- /dev/null
+++ b/doc/Makefile.in
@@ -0,0 +1,617 @@
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+ -rm -rf .libs _libs
+
+# This directory's subdirectories are mostly independent; you can cd
+# into them and run 'make' without going through this Makefile.
+# To change the values of 'make' variables: instead of editing Makefiles,
+# (1) if the variable is set in 'config.status', edit 'config.status'
+# (which will cause the Makefiles to be regenerated when you run 'make');
+# (2) otherwise, pass the desired values on the 'make' command line.
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+ for f in x $$MAKEFLAGS; do \
+ case $$f in \
+ *=* | --[!k]*);; \
+ *k*) failcom='fail=yes';; \
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+ case "$@" in \
+ distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
+ *) list='$(SUBDIRS)' ;; \
+ esac; \
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+ echo "Making $$target in $$subdir"; \
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+
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+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+
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+ set x; \
+ here=`pwd`; \
+ if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
+ include_option=--etags-include; \
+ empty_fix=.; \
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+ include_option=--include; \
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+ fi; \
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+ if test "$$subdir" = .; then :; else \
+ test ! -f $$subdir/TAGS || \
+ set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
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+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
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+ fi
+ctags: CTAGS
+CTAGS: ctags-recursive $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: cscopelist-recursive $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+ @list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+ if test "$$subdir" = .; then :; else \
+ $(am__make_dryrun) \
+ || test -d "$(distdir)/$$subdir" \
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+ dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
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+ $(am__relativize); \
+ new_top_distdir=$$reldir; \
+ echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+ echo " am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
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+ $(MAKE) $(AM_MAKEFLAGS) \
+ top_distdir="$$new_top_distdir" \
+ distdir="$$new_distdir" \
+ am__remove_distdir=: \
+ am__skip_length_check=: \
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+ distdir) \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-recursive
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+installdirs: installdirs-recursive
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+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
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+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
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+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
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+dvi-am:
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+ cscopelist-recursive ctags-recursive install-am install-strip \
+ tags-recursive
+
+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+ all all-am check check-am clean clean-generic clean-libtool \
+ cscopelist cscopelist-recursive ctags ctags-recursive \
+ distclean distclean-generic distclean-libtool distclean-tags \
+ distdir dvi dvi-am html html-am info info-am install \
+ install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-info install-info-am install-man \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ installdirs-am maintainer-clean maintainer-clean-generic \
+ mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
+ ps ps-am tags tags-recursive uninstall uninstall-am
+
+
+doc:
+ test -e doxygen.cfg || sed s:[@]top_srcdir[@]:..:g doxygen.cfg.in > doxygen.cfg
+ doxygen doxygen.cfg
+
+doc-pack: doc
+ -chmod a+r $(top_srcdir)/doc/doxygen/html/*
+ -chmod a-w $(top_srcdir)/doc/doxygen/html/*
+ if ! test -z "$(AMTAR)"; then \
+ $(AMTAR) --create --directory=$(top_srcdir)/doc/doxygen/html --verbose --file=- . | bzip2 -c -9 > $(top_srcdir)/../alsa-lib-doc.tar.bz2 ; \
+ else \
+ $(TAR) --create --directory=$(top_srcdir)/doc/doxygen/html --verbose --file=- . | bzip2 -c -9 > $(top_srcdir)/../alsa-lib-doc.tar.bz2 ; \
+ fi
+ rm -rf $(top_srcdir)/doc/doxygen/html/*
+
+doc-clean:
+ rm -rf $(top_srcdir)/doc/doxygen/html/*
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/doc/README.1st b/doc/README.1st
new file mode 100644
index 0000000..f96b21c
--- /dev/null
+++ b/doc/README.1st
@@ -0,0 +1,2 @@
+The doxygen documentation is created with command 'make doc' in toplevel
+directory.
diff --git a/doc/asoundrc.txt b/doc/asoundrc.txt
new file mode 100644
index 0000000..f79d528
--- /dev/null
+++ b/doc/asoundrc.txt
@@ -0,0 +1,480 @@
+# Configuration file syntax
+
+# Include a new configuration file
+<filename>
+
+# Simple assign
+name [=] value [,|;]
+
+# Compound assign (first style)
+name [=] {
+ name1 [=] value [,|;]
+ ...
+}
+
+# Compound assign (second style)
+name.name1 [=] value [,|;]
+
+# Array assign (first style)
+name [
+ value0 [,|;]
+ value1 [,|;]
+ ...
+]
+
+# Array assign (second style)
+name.0 [=] value0 [,|;]
+name.1 [=] value1 [,|;]
+
+# ******************************************************************************
+
+# Server definition
+server.NAME {
+ host STR # host where the server is located (if map to local address
+ # server is local, and then it may be started automatically)
+ [socket STR] # PF_LOCAL socket name to listen/connect
+ [port INT] # PF_INET port number to listen/connect
+}
+
+# PCM type definition
+pcm_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [open STR] # Open function (default _snd_pcm_NAME_open)
+ [redirect { # Redirect this PCM to an another
+ [filename STR] # Configuration file specification
+ name STR # PCM name specification
+ }]
+}
+
+# PCM scope type definition
+pcm_scope_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [open STR] # Open function (default _snd_pcm_scope_NAME_open)
+}
+
+# PCM scope definition
+pcm_scope.NAME {
+ type STR # Scope type
+ ...
+}
+
+# Slave PCM definition
+pcm_slave.NAME {
+ pcm STR # PCM name
+ # or
+ pcm { } # PCM definition
+ format STR # Format
+ channels INT # Channels
+ rate INT # Rate
+ period_time INT # Period time
+ buffer_time INT # Buffer time
+ etc.
+}
+
+# Hook arguments definition
+hook_args.NAME {
+ ... # Arbitrary arguments
+}
+
+# PCM hook type
+pcm_hook_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [install STR] # Install function (default _snd_pcm_hook_NAME_install)
+}
+
+# PCM hook definition
+pcm_hook.NAME {
+ type STR # PCM Hook type (see pcm_hook_type)
+ [args STR] # Arguments for install function (see hook_args)
+ # or
+ [args { }] # Arguments for install function
+}
+
+# PCM definition
+pcm.NAME {
+ type STR # Type
+ [comment ANY] # Saved comments
+
+
+# PCM types:
+ type hw # Kernel PCM
+ card INT/STR # Card name or number
+ [device] INT # Device number (default 0)
+ [subdevice] INT # Subdevice number, -1 first available (default -1)
+ mmap_emulation BOOL # enable mmap emulation for ro/wo devices
+
+
+ type hooks # PCM with hooks
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ hooks {
+ ID STR # Hook name (see pcm_hook)
+ # or
+ ID { } # Hook definition (see pcm_hook)
+ }
+
+ type plug # Format adjusted PCM
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ [format STR] # Slave format (default nearest) or "unchanged"
+ [channels INT] # Slave channels (default nearest) or "unchanged"
+ [rate INT] # Slave rate (default nearest) or "unchanged"
+ }
+ route_policy STR # route policy for automatic ttable generation
+ # STR can be 'default', 'average', 'copy', 'duplicate'
+ # average: result is average of input channels
+ # copy: only first channels are copied to destination
+ # duplicate: duplicate first set of channels
+ # default: copy policy, except for mono capture - sum
+ ttable { # Transfer table (bidimensional compound of
+ # cchannels * schannels numbers)
+ CCHANNEL {
+ SCHANNEL REAL # route value (0.0 ... 1.0)
+ }
+ }
+
+
+ type copy # Copy conversion PCM
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+
+
+ type linear # Linear format conversion PCM
+ type adpcm # IMA-ADPCM format conversion PCM
+ type alaw # A-Law format conversion PCM
+ type mulaw # Mu-Law format conversion PCM
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ format STR # Slave format
+ }
+
+
+ type rate # Rate conversion PCM
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ [format STR] # Slave format (default client format)
+ rate INT # Slave rate
+ }
+
+
+ type route # Attenuated static route PCM
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ [format STR] # Slave format (default client format)
+ [channels INT] # Slave channels (default client channels)
+ }
+ ttable { # Transfer table (bidimensional compound of
+ # cchannels * schannels numbers)
+ CCHANNEL {
+ SCHANNEL REAL # route value (0.0 ... 1.0)
+ }
+ }
+
+
+ type multi # Linked PCMs (exclusive access to selected channels)
+ slaves { # Slaves definitions
+ ID STR # Slave name for slave N (see pcm_slave)
+ # or
+ ID { # Slave definition for slave N
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ channels INT # Slave channels
+ }
+ }
+ bindings { # Bindings table
+ N { # Binding for client channel N
+ slave STR # Slave key
+ channel INT # Slave channel
+ }
+ }
+ [master INT] # Define the master slave
+
+
+ type file # File plugin
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ file STR # File name
+ # or
+ file INT # File descriptor
+ [format STR] # File format (NYI)
+ [perm INT] # File permission (default 0600)
+
+ type meter # Meter PCM
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition or name
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ [frequency INT] # Updates per second
+ scopes { # Scopes
+ ID STR # Scope name (see pcm_scope)
+ # or
+ ID { } # Scope definition (see pcm_scope)
+ }
+
+
+ type droute # Attenuated dynamic route PCM (NYI)
+ slave STR # Slave name (see pcm_slave)
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ [format STR] # Slave format (default client format)
+ [channels INT] # Slave channels (default client channels)
+ }
+ ctl STR # Ctl name
+ bindings { # Bindings table
+ ID { # Binding entry
+ cchannels { # Client channels
+ C INT # Client channel
+ }
+ schannel { # Slave channels
+ S INT # Slave channel
+ }
+ control STR # Control name of C * S (or C values: only if C == S)
+ }
+ }
+
+
+ type null # Null endpoint plugin
+ [time INT] # Time related or not (NYI)
+
+
+ type shm # Shared memory client PCM
+ server STR # Server name
+ pcm STR # PCM name on server
+
+
+ type share # Share PCM
+ slave STR # Slave name (see pcm_slave)
+ bindings { # Bindings table
+ N INT # Slave channel for client channel N
+ }
+
+
+ type mix # Mix PCM
+ slave STR # Slave name (see pcm_slave)
+ bindings { # Bindings table
+ N INT # Slave channel for client channel N
+ }
+
+
+ type ladspa # LADSPA plugin PCM
+ slave STR # Slave name (see pcm_slave)
+ path STR # Path or paths (delimited with ':')
+ plugins | playback_plugins | capture_plugins {
+ N { # Configuration for LADSPA plugin N
+ id # # LADSPA plugin ID (for example 1043)
+ label STR # LADSPA plugin label (for example 'delay_5s')
+ filename STR # Full filename of .so library with LADPA plugin code
+ policy STR # Policy can be 'none' or 'duplicate'
+ input | output {
+ bindings {
+ C INT or STR # C - channel, INT - audio port index, STR - audio port name
+ }
+ controls {
+ I INT or REAL # I - control port index, INT or REAL - control value
+ }
+ }
+ }
+ }
+
+ type dmix # Direct mixing plugin
+ slave STR # Slave name (see pcm_slave)
+ ipc_key INT # Unique ipc key
+ ipc_perm INT # ipc permissions (default 0600)
+ ipc_gid INT # ipc gid (default -1 = disable)
+ ipc_key_add_uid BOOL # Add current uid to ipc_key
+ bindings { # Bindings table
+ N INT # Slave channel for client channel N
+ }
+
+ type dsnoop # Direct snoop (split one capture stream to more)
+ slave STR # Slave name (see pcm_slave)
+ ipc_key INT # Unique ipc key
+ ipc_perm INT # ipc permissions (default 0600)
+ ipc_gid INT # ipc gid (default -1 = disable)
+ ipc_key_add_uid BOOL # Add current uid to ipc_key
+ bindings { # Bindings table
+ N INT # Slave channel for client channel N
+ }
+
+ type dshare # Share channels from one stream
+ slave STR # Slave name (see pcm_slave)
+ ipc_key INT # Unique ipc key
+ ipc_perm INT # ipc permissions (default 0600)
+ ipc_gid INT # ipc gid (default -1 = disable)
+ ipc_key_add_uid BOOL # Add current uid to ipc_key
+ bindings { # Bindings table
+ N INT # Slave channel for client channel N
+ }
+}
+
+# CTL type definition
+ctl_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [open STR] # Open function (default _snd_ctl_NAME_open)
+}
+
+# CTL definition
+ctl.NAME {
+ type STR # Type
+ [comment ANY] # Saved comments
+
+# CTL types
+ type hw
+ card STR/INT # Card name or number
+
+
+ type shm # Shared memory client CTL
+ server STR # Server name
+ ctl STR # CTL name on server
+
+
+}
+
+
+# RAWMIDI type definition
+rawmidi_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [open STR] # Open function (default _snd_rawmidi_NAME_open)
+}
+
+# RAWMIDI definition
+rawmidi.NAME {
+ type STR # Type
+ [comment ANY] # Saved comments
+
+# RAWMIDI types:
+ type hw # Kernel RAWMIDI
+ card INT/STR # Card name or number
+ [device] INT # Device number (default 0)
+ [subdevice] INT # Subdevice number, -1 first available (default -1)
+
+
+}
+
+# SEQ type definition
+seq_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [open STR] # Open function (default _snd_seq_NAME_open)
+}
+
+# SEQ definition
+seq.NAME {
+ type STR # Type
+ [comment ANY] # Saved comments
+
+# SEQ types:
+ type hw # Kernel SEQ
+
+
+}
+
+# Aliases
+DEF.NAME1 NAME2 # DEF.NAME1 is an alias for DEF.NAME2
+
+Some examples:
+
+pcm.trident {
+ type hw
+ card 0
+ device 0
+}
+
+pcm.ice1712 {
+ type hw
+ card 1
+ device 0
+}
+
+pcm.ice1712_spdif {
+ type plug
+ ttable.0.8 1
+ ttable.1.9 1
+ slave.pcm ice1712
+}
+
+pcm_slave.rs {
+ pcm trident
+ rate 44100
+}
+
+pcm.r {
+ type rate
+ slave rs
+}
+
+pcm.m {
+ type meter
+ slave.pcm plug:trident
+ frequency 50
+ scopes [
+ {
+ type level
+ }
+ ]
+}
+
+pcm_scope_type.level {
+ lib /home/abramo/scopes/scope-level.so
+}
+
+# an example command is 'aplay -D plug:ladspa <filename>'
+# otherwise, the ladspa plugin expects FLOAT type which
+# is very rare
+pcm.ladspa {
+ type ladspa
+ slave.pcm "plughw:0,0";
+ path "/home/perex/src/ladspa_sdk/plugins";
+ plugins [
+ {
+ label delay_5s
+ input {
+ controls [ 0.8 0.2 ]
+ }
+ }
+ ]
+}
+
+# an example command for dmix plugin to force 44100Hz mixing rate:
+# aplay -D"plug:'dmix:RATE=44100'" <filename>
+# an example command for dmix plugin to force 44100Hz and hw:1,0 output device
+# aplay -Dplug:\'dmix:SLAVE=\"hw:1,0\",RATE=44100\' <filename>
+# an example command for dmix plugin to force 32-bit signed little endian format
+# aplay -D"plug:'dmix:FORMAT=S32_LE'" <filename>
diff --git a/doc/doxygen.cfg b/doc/doxygen.cfg
new file mode 100644
index 0000000..aefa94a
--- /dev/null
+++ b/doc/doxygen.cfg
@@ -0,0 +1,123 @@
+PROJECT_NAME = "ALSA project - the C library reference"
+OUTPUT_DIRECTORY = doxygen
+GENERATE_LATEX = NO
+GENERATE_MAN = NO
+GENERATE_RTF = NO
+
+CASE_SENSE_NAMES = NO
+INPUT = ../doc/index.doxygen \
+ ../include/asoundlib.h \
+ ../include/version.h \
+ ../include/global.h \
+ ../include/asoundef.h \
+ ../include/input.h \
+ ../include/output.h \
+ ../include/error.h \
+ ../include/conf.h \
+ ../include/control.h \
+ ../include/pcm.h \
+ ../include/rawmidi.h \
+ ../include/timer.h \
+ ../include/hwdep.h \
+ ../include/seq.h \
+ ../include/seq_event.h \
+ ../include/seqmid.h \
+ ../include/seq_midi_event.h \
+ ../include/pcm_external.h \
+ ../include/pcm_extplug.h \
+ ../include/pcm_ioplug.h \
+ ../include/control_external.h \
+ ../include/mixer.h \
+ ../include/use-case.h \
+ ../src/error.c \
+ ../src/dlmisc.c \
+ ../src/async.c \
+ ../src/input.c \
+ ../src/output.c \
+ ../src/conf.c \
+ ../src/confmisc.c \
+ ../src/names.c \
+ ../src/shmarea.c \
+ ../src/userfile.c \
+ ../src/control \
+ ../src/mixer \
+ ../src/pcm/pcm.c \
+ ../src/pcm/pcm_mmap.c \
+ ../src/pcm/pcm_plugin.c \
+ ../src/pcm/pcm_hw.c \
+ ../src/pcm/pcm_mmap_emul.c \
+ ../src/pcm/pcm_shm.c \
+ ../src/pcm/pcm_null.c \
+ ../src/pcm/pcm_copy.c \
+ ../src/pcm/pcm_linear.c \
+ ../src/pcm/pcm_lfloat.c \
+ ../src/pcm/pcm_mulaw.c \
+ ../src/pcm/pcm_alaw.c \
+ ../src/pcm/pcm_adpcm.c \
+ ../src/pcm/pcm_route.c \
+ ../src/pcm/pcm_rate.c \
+ ../src/pcm/pcm_plug.c \
+ ../src/pcm/pcm_file.c \
+ ../src/pcm/pcm_multi.c \
+ ../src/pcm/pcm_share.c \
+ ../src/pcm/pcm_hooks.c \
+ ../src/pcm/pcm_dmix.c \
+ ../src/pcm/pcm_dshare.c \
+ ../src/pcm/pcm_dsnoop.c \
+ ../src/pcm/pcm_meter.c \
+ ../src/pcm/pcm_ladspa.c \
+ ../src/pcm/pcm_asym.c \
+ ../src/pcm/pcm_iec958.c \
+ ../src/pcm/pcm_softvol.c \
+ ../src/pcm/pcm_extplug.c \
+ ../src/pcm/pcm_ioplug.c \
+ ../src/pcm/pcm_empty.c \
+ ../src/pcm/pcm_misc.c \
+ ../src/pcm/pcm_simple.c \
+ ../src/rawmidi \
+ ../src/timer \
+ ../src/hwdep \
+ ../src/seq \
+ ../src/ucm
+EXCLUDE = ../src/control/control_local.h \
+ ../src/pcm/atomic.h \
+ ../src/pcm/interval.h \
+ ../src/pcm/interval_inline.h \
+ ../src/pcm/mask.h \
+ ../src/pcm/mask_inline.h \
+ ../src/pcm/pcm_local.h \
+ ../src/pcm/pcm_meter.h \
+ ../src/pcm/pcm_plugin.h \
+ ../src/pcm/plugin_ops.h \
+ ../src/pcm/ladspa.h \
+ ../src/hwdep/hwdep_local.h \
+ ../src/mixer/mixer_local.h \
+ ../src/rawmidi/rawmidi_local.h \
+ ../src/seq/seq_local.h \
+ ../src/seq/ucm_local.h
+RECURSIVE = YES
+FILE_PATTERNS = *.c *.h
+EXAMPLE_PATH = ../test
+IMAGE_PATH = pictures
+QUIET = YES
+
+EXTRACT_ALL = NO
+EXTRACT_STATIC = NO
+SHOW_INCLUDE_FILES = NO
+JAVADOC_AUTOBRIEF = NO
+INHERIT_DOCS = YES
+ENABLED_SECTIONS = ""
+MACRO_EXPANSION = YES
+EXPAND_ONLY_PREDEF = YES
+PREDEFINED = DOXYGEN PIC "DOC_HIDDEN" \
+ "ATTRIBUTE_UNUSED=" \
+ ALSA_PCM_NEW_HW_PARAMS_API \
+ _POSIX_C_SOURCE \
+ "use_default_symbol_version(x,y,z)=" \
+ "link_warning(x,y)="
+
+OPTIMIZE_OUTPUT_FOR_C = YES # doxygen 1.2.6 option
+TYPEDEF_HIDES_STRUCT = YES # needed in doxygen >= 1.5.4
+
+#INPUT_FILTER = inputfilter
+#FILTER_SOURCE_FILES = YES
diff --git a/doc/doxygen.cfg.in b/doc/doxygen.cfg.in
new file mode 100644
index 0000000..f4499d6
--- /dev/null
+++ b/doc/doxygen.cfg.in
@@ -0,0 +1,123 @@
+PROJECT_NAME = "ALSA project - the C library reference"
+OUTPUT_DIRECTORY = doxygen
+GENERATE_LATEX = NO
+GENERATE_MAN = NO
+GENERATE_RTF = NO
+
+CASE_SENSE_NAMES = NO
+INPUT = @top_srcdir@/doc/index.doxygen \
+ @top_srcdir@/include/asoundlib.h \
+ @top_srcdir@/include/version.h \
+ @top_srcdir@/include/global.h \
+ @top_srcdir@/include/asoundef.h \
+ @top_srcdir@/include/input.h \
+ @top_srcdir@/include/output.h \
+ @top_srcdir@/include/error.h \
+ @top_srcdir@/include/conf.h \
+ @top_srcdir@/include/control.h \
+ @top_srcdir@/include/pcm.h \
+ @top_srcdir@/include/rawmidi.h \
+ @top_srcdir@/include/timer.h \
+ @top_srcdir@/include/hwdep.h \
+ @top_srcdir@/include/seq.h \
+ @top_srcdir@/include/seq_event.h \
+ @top_srcdir@/include/seqmid.h \
+ @top_srcdir@/include/seq_midi_event.h \
+ @top_srcdir@/include/pcm_external.h \
+ @top_srcdir@/include/pcm_extplug.h \
+ @top_srcdir@/include/pcm_ioplug.h \
+ @top_srcdir@/include/control_external.h \
+ @top_srcdir@/include/mixer.h \
+ @top_srcdir@/include/use-case.h \
+ @top_srcdir@/src/error.c \
+ @top_srcdir@/src/dlmisc.c \
+ @top_srcdir@/src/async.c \
+ @top_srcdir@/src/input.c \
+ @top_srcdir@/src/output.c \
+ @top_srcdir@/src/conf.c \
+ @top_srcdir@/src/confmisc.c \
+ @top_srcdir@/src/names.c \
+ @top_srcdir@/src/shmarea.c \
+ @top_srcdir@/src/userfile.c \
+ @top_srcdir@/src/control \
+ @top_srcdir@/src/mixer \
+ @top_srcdir@/src/pcm/pcm.c \
+ @top_srcdir@/src/pcm/pcm_mmap.c \
+ @top_srcdir@/src/pcm/pcm_plugin.c \
+ @top_srcdir@/src/pcm/pcm_hw.c \
+ @top_srcdir@/src/pcm/pcm_mmap_emul.c \
+ @top_srcdir@/src/pcm/pcm_shm.c \
+ @top_srcdir@/src/pcm/pcm_null.c \
+ @top_srcdir@/src/pcm/pcm_copy.c \
+ @top_srcdir@/src/pcm/pcm_linear.c \
+ @top_srcdir@/src/pcm/pcm_lfloat.c \
+ @top_srcdir@/src/pcm/pcm_mulaw.c \
+ @top_srcdir@/src/pcm/pcm_alaw.c \
+ @top_srcdir@/src/pcm/pcm_adpcm.c \
+ @top_srcdir@/src/pcm/pcm_route.c \
+ @top_srcdir@/src/pcm/pcm_rate.c \
+ @top_srcdir@/src/pcm/pcm_plug.c \
+ @top_srcdir@/src/pcm/pcm_file.c \
+ @top_srcdir@/src/pcm/pcm_multi.c \
+ @top_srcdir@/src/pcm/pcm_share.c \
+ @top_srcdir@/src/pcm/pcm_hooks.c \
+ @top_srcdir@/src/pcm/pcm_dmix.c \
+ @top_srcdir@/src/pcm/pcm_dshare.c \
+ @top_srcdir@/src/pcm/pcm_dsnoop.c \
+ @top_srcdir@/src/pcm/pcm_meter.c \
+ @top_srcdir@/src/pcm/pcm_ladspa.c \
+ @top_srcdir@/src/pcm/pcm_asym.c \
+ @top_srcdir@/src/pcm/pcm_iec958.c \
+ @top_srcdir@/src/pcm/pcm_softvol.c \
+ @top_srcdir@/src/pcm/pcm_extplug.c \
+ @top_srcdir@/src/pcm/pcm_ioplug.c \
+ @top_srcdir@/src/pcm/pcm_empty.c \
+ @top_srcdir@/src/pcm/pcm_misc.c \
+ @top_srcdir@/src/pcm/pcm_simple.c \
+ @top_srcdir@/src/rawmidi \
+ @top_srcdir@/src/timer \
+ @top_srcdir@/src/hwdep \
+ @top_srcdir@/src/seq \
+ @top_srcdir@/src/ucm
+EXCLUDE = @top_srcdir@/src/control/control_local.h \
+ @top_srcdir@/src/pcm/atomic.h \
+ @top_srcdir@/src/pcm/interval.h \
+ @top_srcdir@/src/pcm/interval_inline.h \
+ @top_srcdir@/src/pcm/mask.h \
+ @top_srcdir@/src/pcm/mask_inline.h \
+ @top_srcdir@/src/pcm/pcm_local.h \
+ @top_srcdir@/src/pcm/pcm_meter.h \
+ @top_srcdir@/src/pcm/pcm_plugin.h \
+ @top_srcdir@/src/pcm/plugin_ops.h \
+ @top_srcdir@/src/pcm/ladspa.h \
+ @top_srcdir@/src/hwdep/hwdep_local.h \
+ @top_srcdir@/src/mixer/mixer_local.h \
+ @top_srcdir@/src/rawmidi/rawmidi_local.h \
+ @top_srcdir@/src/seq/seq_local.h \
+ @top_srcdir@/src/seq/ucm_local.h
+RECURSIVE = YES
+FILE_PATTERNS = *.c *.h
+EXAMPLE_PATH = @top_srcdir@/test
+IMAGE_PATH = pictures
+QUIET = YES
+
+EXTRACT_ALL = NO
+EXTRACT_STATIC = NO
+SHOW_INCLUDE_FILES = NO
+JAVADOC_AUTOBRIEF = NO
+INHERIT_DOCS = YES
+ENABLED_SECTIONS = ""
+MACRO_EXPANSION = YES
+EXPAND_ONLY_PREDEF = YES
+PREDEFINED = DOXYGEN PIC "DOC_HIDDEN" \
+ "ATTRIBUTE_UNUSED=" \
+ ALSA_PCM_NEW_HW_PARAMS_API \
+ _POSIX_C_SOURCE \
+ "use_default_symbol_version(x,y,z)=" \
+ "link_warning(x,y)="
+
+OPTIMIZE_OUTPUT_FOR_C = YES # doxygen 1.2.6 option
+TYPEDEF_HIDES_STRUCT = YES # needed in doxygen >= 1.5.4
+
+#INPUT_FILTER = inputfilter
+#FILTER_SOURCE_FILES = YES
diff --git a/doc/index.doxygen b/doc/index.doxygen
new file mode 100644
index 0000000..45aa68a
--- /dev/null
+++ b/doc/index.doxygen
@@ -0,0 +1,54 @@
+/*! \mainpage Index Preamble and License
+
+\author Jaroslav Kysela <perex@perex.cz>
+\author Abramo Bagnara <abramo@alsa-project.org>
+\author Takashi Iwai <tiwai@suse.de>
+\author Frank van de Pol <fvdpol@coil.demon.nl>
+
+<H2>Preface</H2>
+<P>The Advanced Linux Sound Architecture (\e ALSA) comes with a kernel
+API and a library API. This document describes the library API and how
+it interfaces with the kernel API.</P>
+
+<H2>Documentation License</H2>
+
+<P>This documentation is free; you can redistribute it without
+any restrictions. Modifications or derived work must retain
+the copyright and list all authors.</P>
+
+<P>This documentation is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</P>
+
+<H2>API usage</H2>
+<P>Application programmers should use the library API rather than the
+kernel API. The library offers 100% of the functionality of the kernel API,
+but adds major improvements in usability, making the application code simpler
+and better looking. In addition, future fixes or compatibility code
+may be placed in the library code instead of the kernel driver.</P>
+
+<H2>API links</H2>
+
+<UL>
+ <LI>Page \ref control explains the primitive controls API.
+ <LI>Page \ref hcontrol explains the high-level primitive controls API.
+ <LI>Page \ref mixer explains the mixer controls API.
+ <LI>Page \ref pcm explains the design of the PCM (digital audio) API.
+ <LI>Page \ref pcm_plugins explains the design of PCM (digital audio) plugins.
+ <LI>Page \ref pcm_external_plugins explains the external PCM plugin SDK.
+ <LI>Page \ref ctl_external_plugins explains the external control plugin SDK.
+ <LI>Page \ref rawmidi explains the design of the RawMidi API.
+ <LI>Page \ref timer explains the design of the Timer API.
+ <LI>Page \ref seq explains the design of the Sequencer API.
+</UL>
+
+<H2>Configuration</H2>
+
+<UL>
+ <LI>Page \ref conf explains the syntax of library configuration files.
+ <LI>Page \ref confarg explains the run-time argument syntax.
+ <LI>Page \ref conffunc explains run-time function definitions and their usage.
+ <LI>Page \ref confhooks explains run-time hook definitions and their usage.
+</UL>
+
+*/
diff --git a/doc/pictures/Makefile.am b/doc/pictures/Makefile.am
new file mode 100644
index 0000000..17b6e12
--- /dev/null
+++ b/doc/pictures/Makefile.am
@@ -0,0 +1 @@
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new file mode 100644
index 0000000..eb72218
--- /dev/null
+++ b/doc/pictures/Makefile.in
@@ -0,0 +1,406 @@
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+
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+
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+
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+all: all-am
+
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diff --git a/doc/pictures/wave1.gif b/doc/pictures/wave1.gif
new file mode 100644
index 0000000..e465df8
--- /dev/null
+++ b/doc/pictures/wave1.gif
Binary files differ
diff --git a/doc/pictures/wave2.gif b/doc/pictures/wave2.gif
new file mode 100644
index 0000000..ee91bf2
--- /dev/null
+++ b/doc/pictures/wave2.gif
Binary files differ
diff --git a/gitcompile b/gitcompile
new file mode 100755
index 0000000..0b60aed
--- /dev/null
+++ b/gitcompile
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -e
+
+bit32=
+if [ $# -ne 0 -a "$1" == "32" ]; then
+ bit32=yes
+ echo "Forced 32-bit library build..."
+fi
+if [ $# -ne 0 -a -z "$bit32" ]; then
+ args="$@"
+elif [ -r /etc/asound/library_args ]; then
+ args="`cat /etc/asound/library_args`"
+ if [ -z "$bit32" ]; then
+ test -r /etc/asound/library64_args && \
+ args="`cat /etc/asound/library64_args`"
+ fi
+else
+ prefix="/usr"
+ libdir="/usr/lib"
+ libdir2="/usr/lib"
+ if [ -z "$bit32" ]; then
+ test -d /usr/lib64 && libdir="/usr/lib64"
+ test -f /lib64/libasound.so.2 && libdir="/lib64"
+ test -d /usr/lib64 && libdir2="/usr/lib64"
+ else
+ test -f /lib/libasound.so.2 && libdir="/lib"
+ fi
+ args="--disable-aload --prefix=$prefix --libdir=$libdir"
+ args="$args --with-plugindir=$libdir2/alsa-lib"
+ args="$args --with-pkgconfdir=$libdir2/pkgconfig"
+fi
+
+touch ltconfig
+libtoolize --force --copy --automake
+aclocal $ACLOCAL_FLAGS
+autoheader
+automake --foreign --copy --add-missing
+touch depcomp # seems to be missing for old automake
+autoconf
+export CFLAGS='-O2 -Wall -W -pipe -g'
+echo "CFLAGS=$CFLAGS"
+echo "./configure $args"
+./configure $args || exit 1
+unset CFLAGS
+if [ -z "$GITCOMPILE_NO_MAKE" ]; then
+ make
+fi
diff --git a/include/Makefile.am b/include/Makefile.am
new file mode 100644
index 0000000..4baa03a
--- /dev/null
+++ b/include/Makefile.am
@@ -0,0 +1,94 @@
+SUBDIRS = sound
+
+sysincludedir = ${includedir}/sys
+alsaincludedir = ${includedir}/alsa
+
+alsainclude_HEADERS = asoundlib.h asoundef.h \
+ version.h global.h input.h output.h error.h \
+ conf.h control.h iatomic.h
+
+if BUILD_CTL_PLUGIN_EXT
+alsainclude_HEADERS += control_external.h
+endif
+
+if BUILD_PCM
+alsainclude_HEADERS += pcm.h pcm_old.h timer.h
+if BUILD_PCM_PLUGIN
+alsainclude_HEADERS += pcm_plugin.h
+endif
+if BUILD_PCM_PLUGIN_RATE
+alsainclude_HEADERS += pcm_rate.h
+endif
+if BUILD_PCM_PLUGIN_EXTPLUG
+alsainclude_HEADERS += pcm_external.h pcm_extplug.h
+endif
+if BUILD_PCM_PLUGIN_IOPLUG
+if !BUILD_PCM_PLUGIN_EXTPLUG
+alsainclude_HEADERS += pcm_external.h
+endif
+alsainclude_HEADERS += pcm_ioplug.h
+endif
+endif
+
+if BUILD_RAWMIDI
+alsainclude_HEADERS += rawmidi.h
+endif
+
+if BUILD_HWDEP
+alsainclude_HEADERS += hwdep.h
+endif
+
+if BUILD_MIXER
+alsainclude_HEADERS += mixer.h mixer_abst.h
+endif
+
+if BUILD_SEQ
+alsainclude_HEADERS += seq_event.h seq.h seqmid.h seq_midi_event.h
+endif
+
+if BUILD_UCM
+alsainclude_HEADERS += use-case.h
+endif
+
+if BUILD_ALISP
+alsainclude_HEADERS += alisp.h
+endif
+
+noinst_HEADERS = alsa sys.h search.h list.h aserver.h local.h alsa-symbols.h \
+ asoundlib-head.h asoundlib-tail.h
+
+DISTCLEANFILES = stamp-vh version.h alsa asoundlib.h
+
+alsa:
+ ln -s $(top_srcdir)/include alsa
+
+version.h: stamp-vh alsa
+ @:
+
+stamp-vh: $(top_builddir)/configure.ac
+ @echo "/*" > ver.tmp
+ @echo " * version.h" >> ver.tmp
+ @echo " */" >> ver.tmp
+ @echo "" >> ver.tmp
+ @echo "#define SND_LIB_MAJOR $(SND_LIB_MAJOR) /**< major number of library version */" >> ver.tmp
+ @echo "#define SND_LIB_MINOR $(SND_LIB_MINOR) /**< minor number of library version */" >> ver.tmp
+ @echo "#define SND_LIB_SUBMINOR $(SND_LIB_SUBMINOR) /**< subminor number of library version */" >> ver.tmp
+ @echo "#define SND_LIB_EXTRAVER $(SND_LIB_EXTRAVER) /**< extra version number, used mainly for betas */" >> ver.tmp
+ @echo "/** library version */" >> ver.tmp
+ @echo "#define SND_LIB_VERSION ((SND_LIB_MAJOR<<16)|\\" >> ver.tmp
+ @echo " (SND_LIB_MINOR<<8)|\\" >> ver.tmp
+ @echo " SND_LIB_SUBMINOR)" >> ver.tmp
+ @echo "/** library version (string) */" >> ver.tmp
+ @echo "#define SND_LIB_VERSION_STR \"$(SND_LIB_VERSION)\"" >> ver.tmp
+ @echo >> ver.tmp
+ @cmp -s version.h ver.tmp \
+ || (echo "Updating version.h"; \
+ cp ver.tmp version.h; \
+ echo timestamp > stamp-vh)
+ -@rm -f ver.tmp
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
+
+install-data-hook:
+ test -d $(DESTDIR)$(sysincludedir) || mkdir -p $(DESTDIR)$(sysincludedir)
+ $(INSTALL_DATA) $(srcdir)/sys.h $(DESTDIR)$(sysincludedir)/asoundlib.h
diff --git a/include/Makefile.in b/include/Makefile.in
new file mode 100644
index 0000000..08ecd0c
--- /dev/null
+++ b/include/Makefile.in
@@ -0,0 +1,736 @@
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+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+
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+ pcm_rate.h pcm_external.h pcm_extplug.h pcm_ioplug.h rawmidi.h \
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+ @echo " */" >> ver.tmp
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+ @echo "#define SND_LIB_MAJOR $(SND_LIB_MAJOR) /**< major number of library version */" >> ver.tmp
+ @echo "#define SND_LIB_MINOR $(SND_LIB_MINOR) /**< minor number of library version */" >> ver.tmp
+ @echo "#define SND_LIB_SUBMINOR $(SND_LIB_SUBMINOR) /**< subminor number of library version */" >> ver.tmp
+ @echo "#define SND_LIB_EXTRAVER $(SND_LIB_EXTRAVER) /**< extra version number, used mainly for betas */" >> ver.tmp
+ @echo "/** library version */" >> ver.tmp
+ @echo "#define SND_LIB_VERSION ((SND_LIB_MAJOR<<16)|\\" >> ver.tmp
+ @echo " (SND_LIB_MINOR<<8)|\\" >> ver.tmp
+ @echo " SND_LIB_SUBMINOR)" >> ver.tmp
+ @echo "/** library version (string) */" >> ver.tmp
+ @echo "#define SND_LIB_VERSION_STR \"$(SND_LIB_VERSION)\"" >> ver.tmp
+ @echo >> ver.tmp
+ @cmp -s version.h ver.tmp \
+ || (echo "Updating version.h"; \
+ cp ver.tmp version.h; \
+ echo timestamp > stamp-vh)
+ -@rm -f ver.tmp
+
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+ $(INSTALL_DATA) $(srcdir)/sys.h $(DESTDIR)$(sysincludedir)/asoundlib.h
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/include/alisp.h b/include/alisp.h
new file mode 100644
index 0000000..407ed64
--- /dev/null
+++ b/include/alisp.h
@@ -0,0 +1,55 @@
+/*
+ * ALSA lisp implementation
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+struct alisp_cfg {
+ int verbose: 1,
+ warning: 1,
+ debug: 1;
+ snd_input_t *in; /* program code */
+ snd_output_t *out; /* program output */
+ snd_output_t *eout; /* error output */
+ snd_output_t *vout; /* verbose output */
+ snd_output_t *wout; /* warning output */
+ snd_output_t *dout; /* debug output */
+};
+
+struct alisp_instance;
+struct alisp_object;
+struct alisp_seq_iterator;
+
+struct alisp_cfg *alsa_lisp_default_cfg(snd_input_t *input);
+void alsa_lisp_default_cfg_free(struct alisp_cfg *cfg);
+int alsa_lisp(struct alisp_cfg *cfg, struct alisp_instance **instance);
+void alsa_lisp_free(struct alisp_instance *instance);
+int alsa_lisp_function(struct alisp_instance *instance, struct alisp_seq_iterator **result,
+ const char *id, const char *args, ...)
+#ifndef DOC_HIDDEN
+ __attribute__ ((format (printf, 4, 5)))
+#endif
+ ;
+void alsa_lisp_result_free(struct alisp_instance *instance,
+ struct alisp_seq_iterator *result);
+int alsa_lisp_seq_first(struct alisp_instance *instance, const char *id,
+ struct alisp_seq_iterator **seq);
+int alsa_lisp_seq_next(struct alisp_seq_iterator **seq);
+int alsa_lisp_seq_count(struct alisp_seq_iterator *seq);
+int alsa_lisp_seq_integer(struct alisp_seq_iterator *seq, long *val);
+int alsa_lisp_seq_pointer(struct alisp_seq_iterator *seq, const char *ptr_id, void **ptr);
diff --git a/include/alsa b/include/alsa
new file mode 120000
index 0000000..945c9b4
--- /dev/null
+++ b/include/alsa
@@ -0,0 +1 @@
+.
\ No newline at end of file
diff --git a/include/alsa-symbols.h b/include/alsa-symbols.h
new file mode 100644
index 0000000..51cb982
--- /dev/null
+++ b/include/alsa-symbols.h
@@ -0,0 +1,72 @@
+/*
+ * ALSA lib - dynamic symbol versions
+ * Copyright (c) 2002 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_SYMBOLS_H
+#define __ALSA_SYMBOLS_H
+
+#if defined(PIC) && defined(VERSIONED_SYMBOLS) /* might be also configurable */
+#define USE_VERSIONED_SYMBOLS
+#endif
+
+#define INTERNAL_CONCAT2_2(Pre, Post) Pre##Post
+#define INTERNAL(Name) INTERNAL_CONCAT2_2(__, Name)
+
+#ifdef __powerpc64__
+# define symbol_version(real, name, version) \
+ __asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@" #version); \
+ __asm__ (".symver ." ASM_NAME(#real) ",." ASM_NAME(#name) "@" #version)
+# define default_symbol_version(real, name, version) \
+ __asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@@" #version); \
+ __asm__ (".symver ." ASM_NAME(#real) ",." ASM_NAME(#name) "@@" #version)
+#else
+# define symbol_version(real, name, version) \
+ __asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@" #version)
+# define default_symbol_version(real, name, version) \
+ __asm__ (".symver " ASM_NAME(#real) "," ASM_NAME(#name) "@@" #version)
+#endif
+
+#ifdef USE_VERSIONED_SYMBOLS
+#define use_symbol_version(real, name, version) \
+ symbol_version(real, name, version)
+#define use_default_symbol_version(real, name, version) \
+ default_symbol_version(real, name, version)
+#else
+#define use_symbol_version(real, name, version) /* nothing */
+#ifdef __powerpc64__
+#define use_default_symbol_version(real, name, version) \
+ __asm__ (".weak " ASM_NAME(#name)); \
+ __asm__ (".weak ." ASM_NAME(#name)); \
+ __asm__ (".set " ASM_NAME(#name) "," ASM_NAME(#real)); \
+ __asm__ (".set ." ASM_NAME(#name) ",." ASM_NAME(#real))
+#else
+#if defined(__alpha__) || defined(__mips__)
+#define use_default_symbol_version(real, name, version) \
+ __asm__ (".weak " ASM_NAME(#name)); \
+ __asm__ (ASM_NAME(#name) " = " ASM_NAME(#real))
+#else
+#define use_default_symbol_version(real, name, version) \
+ __asm__ (".weak " ASM_NAME(#name)); \
+ __asm__ (".set " ASM_NAME(#name) "," ASM_NAME(#real))
+#endif
+#endif
+#endif
+
+#endif /* __ALSA_SYMBOLS_H */
diff --git a/include/aserver.h b/include/aserver.h
new file mode 100644
index 0000000..5da2e54
--- /dev/null
+++ b/include/aserver.h
@@ -0,0 +1,159 @@
+/*
+ * ALSA client/server header file
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <netdb.h>
+#include "../src/pcm/pcm_local.h"
+#include "../src/control/control_local.h"
+
+int snd_receive_fd(int sock, void *data, size_t len, int *fd);
+
+typedef enum _snd_dev_type {
+ SND_DEV_TYPE_PCM,
+ SND_DEV_TYPE_CONTROL,
+ SND_DEV_TYPE_RAWMIDI,
+ SND_DEV_TYPE_TIMER,
+ SND_DEV_TYPE_HWDEP,
+ SND_DEV_TYPE_SEQ,
+} snd_dev_type_t;
+
+typedef enum _snd_transport_type {
+ SND_TRANSPORT_TYPE_SHM,
+ SND_TRANSPORT_TYPE_TCP,
+} snd_transport_type_t;
+
+#define SND_PCM_IOCTL_HWSYNC _IO ('A', 0x22)
+#define SND_PCM_IOCTL_STATE _IO ('A', 0xf1)
+#define SND_PCM_IOCTL_MMAP _IO ('A', 0xf2)
+#define SND_PCM_IOCTL_MUNMAP _IO ('A', 0xf3)
+#define SND_PCM_IOCTL_MMAP_COMMIT _IO ('A', 0xf4)
+#define SND_PCM_IOCTL_AVAIL_UPDATE _IO ('A', 0xf5)
+#define SND_PCM_IOCTL_ASYNC _IO ('A', 0xf6)
+#define SND_PCM_IOCTL_CLOSE _IO ('A', 0xf7)
+#define SND_PCM_IOCTL_POLL_DESCRIPTOR _IO ('A', 0xf8)
+#define SND_PCM_IOCTL_HW_PTR_FD _IO ('A', 0xf9)
+#define SND_PCM_IOCTL_APPL_PTR_FD _IO ('A', 0xfa)
+#define SND_PCM_IOCTL_FORWARD _IO ('A', 0xfb)
+
+typedef struct {
+ snd_pcm_uframes_t ptr;
+ int use_mmap;
+ off_t offset; /* for mmap */
+ int changed;
+} snd_pcm_shm_rbptr_t;
+
+typedef struct {
+ long result;
+ int cmd;
+ snd_pcm_shm_rbptr_t hw;
+ snd_pcm_shm_rbptr_t appl;
+ union {
+ struct {
+ int sig;
+ pid_t pid;
+ } async;
+ snd_pcm_info_t info;
+ snd_pcm_hw_params_t hw_refine;
+ snd_pcm_hw_params_t hw_params;
+ snd_pcm_sw_params_t sw_params;
+ snd_pcm_status_t status;
+ struct {
+ snd_pcm_uframes_t frames;
+ } avail;
+ struct {
+ snd_pcm_sframes_t frames;
+ } delay;
+ struct {
+ int enable;
+ } pause;
+ snd_pcm_channel_info_t channel_info;
+ struct {
+ snd_pcm_uframes_t frames;
+ } rewind;
+ struct {
+ snd_pcm_uframes_t frames;
+ } forward;
+ struct {
+ int fd;
+ } link;
+ struct {
+ snd_pcm_uframes_t offset;
+ snd_pcm_uframes_t frames;
+ } mmap_commit;
+ struct {
+ char use_mmap;
+ int shmid;
+ off_t offset;
+ } rbptr;
+ } u;
+ char data[0];
+} snd_pcm_shm_ctrl_t;
+
+#define PCM_SHM_SIZE sizeof(snd_pcm_shm_ctrl_t)
+
+#define SND_CTL_IOCTL_READ _IOR('U', 0xf1, snd_ctl_event_t)
+#define SND_CTL_IOCTL_CLOSE _IO ('U', 0xf2)
+#define SND_CTL_IOCTL_POLL_DESCRIPTOR _IO ('U', 0xf3)
+#define SND_CTL_IOCTL_ASYNC _IO ('U', 0xf4)
+
+typedef struct {
+ int result;
+ int cmd;
+ union {
+ struct {
+ int sig;
+ pid_t pid;
+ } async;
+ int device;
+ int subscribe_events;
+ snd_ctl_card_info_t card_info;
+ snd_ctl_elem_list_t element_list;
+ snd_ctl_elem_info_t element_info;
+ snd_ctl_elem_value_t element_read;
+ snd_ctl_elem_value_t element_write;
+ snd_ctl_elem_id_t element_lock;
+ snd_ctl_elem_id_t element_unlock;
+ snd_hwdep_info_t hwdep_info;
+ snd_pcm_info_t pcm_info;
+ int pcm_prefer_subdevice;
+ snd_rawmidi_info_t rawmidi_info;
+ int rawmidi_prefer_subdevice;
+ unsigned int power_state;
+ snd_ctl_event_t read;
+ } u;
+ char data[0];
+} snd_ctl_shm_ctrl_t;
+
+#define CTL_SHM_SIZE 65536
+#define CTL_SHM_DATA_MAXLEN (CTL_SHM_SIZE - offsetof(snd_ctl_shm_ctrl_t, data))
+
+typedef struct {
+ unsigned char dev_type;
+ unsigned char transport_type;
+ unsigned char stream;
+ unsigned char mode;
+ unsigned char namelen;
+ char name[0];
+} snd_client_open_request_t;
+
+typedef struct {
+ long result;
+ int cookie;
+} snd_client_open_answer_t;
+
diff --git a/include/asoundef.h b/include/asoundef.h
new file mode 100644
index 0000000..c6c4eec
--- /dev/null
+++ b/include/asoundef.h
@@ -0,0 +1,310 @@
+/**
+ * \file include/asoundef.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Definitions of constants for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_ASOUNDEF_H
+#define __ALSA_ASOUNDEF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Digital_Audio_Interface Constants for Digital Audio Interfaces
+ * AES/IEC958 channel status bits.
+ * \{
+ */
+
+#define IEC958_AES0_PROFESSIONAL (1<<0) /**< 0 = consumer, 1 = professional */
+#define IEC958_AES0_NONAUDIO (1<<1) /**< 0 = audio, 1 = non-audio */
+#define IEC958_AES0_PRO_EMPHASIS (7<<2) /**< mask - emphasis */
+#define IEC958_AES0_PRO_EMPHASIS_NOTID (0<<2) /**< emphasis not indicated */
+#define IEC958_AES0_PRO_EMPHASIS_NONE (1<<2) /**< no emphasis */
+#define IEC958_AES0_PRO_EMPHASIS_5015 (3<<2) /**< 50/15us emphasis */
+#define IEC958_AES0_PRO_EMPHASIS_CCITT (7<<2) /**< CCITT J.17 emphasis */
+#define IEC958_AES0_PRO_FREQ_UNLOCKED (1<<5) /**< source sample frequency: 0 = locked, 1 = unlocked */
+#define IEC958_AES0_PRO_FS (3<<6) /**< mask - sample frequency */
+#define IEC958_AES0_PRO_FS_NOTID (0<<6) /**< fs not indicated */
+#define IEC958_AES0_PRO_FS_44100 (1<<6) /**< 44.1kHz */
+#define IEC958_AES0_PRO_FS_48000 (2<<6) /**< 48kHz */
+#define IEC958_AES0_PRO_FS_32000 (3<<6) /**< 32kHz */
+#define IEC958_AES0_CON_NOT_COPYRIGHT (1<<2) /**< 0 = copyright, 1 = not copyright */
+#define IEC958_AES0_CON_EMPHASIS (7<<3) /**< mask - emphasis */
+#define IEC958_AES0_CON_EMPHASIS_NONE (0<<3) /**< no emphasis */
+#define IEC958_AES0_CON_EMPHASIS_5015 (1<<3) /**< 50/15us emphasis */
+#define IEC958_AES0_CON_MODE (3<<6) /**< mask - mode */
+#define IEC958_AES1_PRO_MODE (15<<0) /**< mask - channel mode */
+#define IEC958_AES1_PRO_MODE_NOTID (0<<0) /**< mode not indicated */
+#define IEC958_AES1_PRO_MODE_STEREOPHONIC (2<<0) /**< stereophonic - ch A is left */
+#define IEC958_AES1_PRO_MODE_SINGLE (4<<0) /**< single channel */
+#define IEC958_AES1_PRO_MODE_TWO (8<<0) /**< two channels */
+#define IEC958_AES1_PRO_MODE_PRIMARY (12<<0) /**< primary/secondary */
+#define IEC958_AES1_PRO_MODE_BYTE3 (15<<0) /**< vector to byte 3 */
+#define IEC958_AES1_PRO_USERBITS (15<<4) /**< mask - user bits */
+#define IEC958_AES1_PRO_USERBITS_NOTID (0<<4) /**< user bits not indicated */
+#define IEC958_AES1_PRO_USERBITS_192 (8<<4) /**< 192-bit structure */
+#define IEC958_AES1_PRO_USERBITS_UDEF (12<<4) /**< user defined application */
+#define IEC958_AES1_CON_CATEGORY 0x7f /**< consumer category */
+#define IEC958_AES1_CON_GENERAL 0x00 /**< general category */
+#define IEC958_AES1_CON_LASEROPT_MASK 0x07 /**< Laser-optical mask */
+#define IEC958_AES1_CON_LASEROPT_ID 0x01 /**< Laser-optical ID */
+#define IEC958_AES1_CON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x00) /**< IEC958 CD compatible device */
+#define IEC958_AES1_CON_NON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x08) /**< non-IEC958 CD compatible device */
+#define IEC958_AES1_CON_MINI_DISC (IEC958_AES1_CON_LASEROPT_ID|0x48) /**< Mini-Disc device */
+#define IEC958_AES1_CON_DVD (IEC958_AES1_CON_LASEROPT_ID|0x18) /**< DVD device */
+#define IEC958_AES1_CON_LASTEROPT_OTHER (IEC958_AES1_CON_LASEROPT_ID|0x78) /**< Other laser-optical product */
+#define IEC958_AES1_CON_DIGDIGCONV_MASK 0x07 /**< digital<->digital converter mask */
+#define IEC958_AES1_CON_DIGDIGCONV_ID 0x02 /**< digital<->digital converter id */
+#define IEC958_AES1_CON_PCM_CODER (IEC958_AES1_CON_DIGDIGCONV_ID|0x00) /**< PCM coder */
+#define IEC958_AES1_CON_MIXER (IEC958_AES1_CON_DIGDIGCONV_ID|0x10) /**< Digital signal mixer */
+#define IEC958_AES1_CON_RATE_CONVERTER (IEC958_AES1_CON_DIGDIGCONV_ID|0x18) /**< Rate converter */
+#define IEC958_AES1_CON_SAMPLER (IEC958_AES1_CON_DIGDIGCONV_ID|0x20) /**< PCM sampler */
+#define IEC958_AES1_CON_DSP (IEC958_AES1_CON_DIGDIGCONV_ID|0x28) /**< Digital sound processor */
+#define IEC958_AES1_CON_DIGDIGCONV_OTHER (IEC958_AES1_CON_DIGDIGCONV_ID|0x78) /**< Other digital<->digital product */
+#define IEC958_AES1_CON_MAGNETIC_MASK 0x07 /**< Magnetic device mask */
+#define IEC958_AES1_CON_MAGNETIC_ID 0x03 /**< Magnetic device ID */
+#define IEC958_AES1_CON_DAT (IEC958_AES1_CON_MAGNETIC_ID|0x00) /**< Digital Audio Tape */
+#define IEC958_AES1_CON_VCR (IEC958_AES1_CON_MAGNETIC_ID|0x08) /**< Video recorder */
+#define IEC958_AES1_CON_DCC (IEC958_AES1_CON_MAGNETIC_ID|0x40) /**< Digital compact cassette */
+#define IEC958_AES1_CON_MAGNETIC_DISC (IEC958_AES1_CON_MAGNETIC_ID|0x18) /**< Magnetic disc digital audio device */
+#define IEC958_AES1_CON_MAGNETIC_OTHER (IEC958_AES1_CON_MAGNETIC_ID|0x78) /**< Other magnetic device */
+#define IEC958_AES1_CON_BROADCAST1_MASK 0x07 /**< Broadcast mask */
+#define IEC958_AES1_CON_BROADCAST1_ID 0x04 /**< Broadcast ID */
+#define IEC958_AES1_CON_DAB_JAPAN (IEC958_AES1_CON_BROADCAST1_ID|0x00) /**< Digital audio broadcast (Japan) */
+#define IEC958_AES1_CON_DAB_EUROPE (IEC958_AES1_CON_BROADCAST1_ID|0x08) /**< Digital audio broadcast (Europe) */
+#define IEC958_AES1_CON_DAB_USA (IEC958_AES1_CON_BROADCAST1_ID|0x60) /**< Digital audio broadcast (USA) */
+#define IEC958_AES1_CON_SOFTWARE (IEC958_AES1_CON_BROADCAST1_ID|0x40) /**< Electronic software delivery */
+#define IEC958_AES1_CON_IEC62105 (IEC958_AES1_CON_BROADCAST1_ID|0x20) /**< Used by another standard (IEC 62105) */
+#define IEC958_AES1_CON_BROADCAST1_OTHER (IEC958_AES1_CON_BROADCAST1_ID|0x78) /**< Other broadcast product */
+#define IEC958_AES1_CON_BROADCAST2_MASK 0x0f /**< Broadcast alternative mask */
+#define IEC958_AES1_CON_BROADCAST2_ID 0x0e /**< Broadcast alternative ID */
+#define IEC958_AES1_CON_MUSICAL_MASK 0x07 /**< Musical device mask */
+#define IEC958_AES1_CON_MUSICAL_ID 0x05 /**< Musical device ID */
+#define IEC958_AES1_CON_SYNTHESIZER (IEC958_AES1_CON_MUSICAL_ID|0x00) /**< Synthesizer */
+#define IEC958_AES1_CON_MICROPHONE (IEC958_AES1_CON_MUSICAL_ID|0x08) /**< Microphone */
+#define IEC958_AES1_CON_MUSICAL_OTHER (IEC958_AES1_CON_MUSICAL_ID|0x78) /**< Other musical device */
+#define IEC958_AES1_CON_ADC_MASK 0x1f /**< ADC Mask */
+#define IEC958_AES1_CON_ADC_ID 0x06 /**< ADC ID */
+#define IEC958_AES1_CON_ADC (IEC958_AES1_CON_ADC_ID|0x00) /**< ADC without copyright information */
+#define IEC958_AES1_CON_ADC_OTHER (IEC958_AES1_CON_ADC_ID|0x60) /**< Other ADC product (with no copyright information) */
+#define IEC958_AES1_CON_ADC_COPYRIGHT_MASK 0x1f /**< ADC Copyright mask */
+#define IEC958_AES1_CON_ADC_COPYRIGHT_ID 0x16 /**< ADC Copyright ID */
+#define IEC958_AES1_CON_ADC_COPYRIGHT (IEC958_AES1_CON_ADC_COPYRIGHT_ID|0x00) /**< ADC with copyright information */
+#define IEC958_AES1_CON_ADC_COPYRIGHT_OTHER (IEC958_AES1_CON_ADC_COPYRIGHT_ID|0x60) /**< Other ADC with copyright information product */
+#define IEC958_AES1_CON_SOLIDMEM_MASK 0x0f /**< Solid memory based products mask */
+#define IEC958_AES1_CON_SOLIDMEM_ID 0x08 /**< Solid memory based products ID */
+#define IEC958_AES1_CON_SOLIDMEM_DIGITAL_RECORDER_PLAYER (IEC958_AES1_CON_SOLIDMEM_ID|0x00) /**< Digital audio recorder and player using solid state memory */
+#define IEC958_AES1_CON_SOLIDMEM_OTHER (IEC958_AES1_CON_SOLIDMEM_ID|0x70) /**< Other solid state memory based product */
+#define IEC958_AES1_CON_EXPERIMENTAL 0x40 /**< experimental category */
+#define IEC958_AES1_CON_ORIGINAL (1<<7) /**< this bits depends on the category code */
+#define IEC958_AES2_PRO_SBITS (7<<0) /**< mask - sample bits */
+#define IEC958_AES2_PRO_SBITS_20 (2<<0) /**< 20-bit - coordination */
+#define IEC958_AES2_PRO_SBITS_24 (4<<0) /**< 24-bit - main audio */
+#define IEC958_AES2_PRO_SBITS_UDEF (6<<0) /**< user defined application */
+#define IEC958_AES2_PRO_WORDLEN (7<<3) /**< mask - source word length */
+#define IEC958_AES2_PRO_WORDLEN_NOTID (0<<3) /**< source word length not indicated */
+#define IEC958_AES2_PRO_WORDLEN_22_18 (2<<3) /**< 22-bit or 18-bit */
+#define IEC958_AES2_PRO_WORDLEN_23_19 (4<<3) /**< 23-bit or 19-bit */
+#define IEC958_AES2_PRO_WORDLEN_24_20 (5<<3) /**< 24-bit or 20-bit */
+#define IEC958_AES2_PRO_WORDLEN_20_16 (6<<3) /**< 20-bit or 16-bit */
+#define IEC958_AES2_CON_SOURCE (15<<0) /**< mask - source number */
+#define IEC958_AES2_CON_SOURCE_UNSPEC (0<<0) /**< source number unspecified */
+#define IEC958_AES2_CON_CHANNEL (15<<4) /**< mask - channel number */
+#define IEC958_AES2_CON_CHANNEL_UNSPEC (0<<4) /**< channel number unspecified */
+#define IEC958_AES3_CON_FS (15<<0) /**< mask - sample frequency */
+#define IEC958_AES3_CON_FS_44100 (0<<0) /**< 44.1kHz */
+#define IEC958_AES3_CON_FS_NOTID (1<<0) /**< sample frequency non indicated */
+#define IEC958_AES3_CON_FS_48000 (2<<0) /**< 48kHz */
+#define IEC958_AES3_CON_FS_32000 (3<<0) /**< 32kHz */
+#define IEC958_AES3_CON_FS_22050 (4<<0) /**< 22.05kHz */
+#define IEC958_AES3_CON_FS_24000 (6<<0) /**< 24kHz */
+#define IEC958_AES3_CON_FS_88200 (8<<0) /**< 88.2kHz */
+#define IEC958_AES3_CON_FS_768000 (9<<0) /**< 768kHz */
+#define IEC958_AES3_CON_FS_96000 (10<<0) /**< 96kHz */
+#define IEC958_AES3_CON_FS_176400 (12<<0) /**< 176.4kHz */
+#define IEC958_AES3_CON_FS_192000 (14<<0) /**< 192kHz */
+#define IEC958_AES3_CON_CLOCK (3<<4) /**< mask - clock accuracy */
+#define IEC958_AES3_CON_CLOCK_1000PPM (0<<4) /**< 1000 ppm */
+#define IEC958_AES3_CON_CLOCK_50PPM (1<<4) /**< 50 ppm */
+#define IEC958_AES3_CON_CLOCK_VARIABLE (2<<4) /**< variable pitch */
+#define IEC958_AES4_CON_MAX_WORDLEN_24 (1<<0) /**< 0 = 20-bit, 1 = 24-bit */
+#define IEC958_AES4_CON_WORDLEN (7<<1) /**< mask - sample word length */
+#define IEC958_AES4_CON_WORDLEN_NOTID (0<<1) /**< not indicated */
+#define IEC958_AES4_CON_WORDLEN_20_16 (1<<1) /**< 20-bit or 16-bit */
+#define IEC958_AES4_CON_WORDLEN_22_18 (2<<1) /**< 22-bit or 18-bit */
+#define IEC958_AES4_CON_WORDLEN_23_19 (4<<1) /**< 23-bit or 19-bit */
+#define IEC958_AES4_CON_WORDLEN_24_20 (5<<1) /**< 24-bit or 20-bit */
+#define IEC958_AES4_CON_WORDLEN_21_17 (6<<1) /**< 21-bit or 17-bit */
+#define IEC958_AES4_CON_ORIGFS (15<<4) /**< mask - original sample frequency */
+#define IEC958_AES4_CON_ORIGFS_NOTID (0<<4) /**< original sample frequency not indicated */
+#define IEC958_AES4_CON_ORIGFS_192000 (1<<4) /**< 192kHz */
+#define IEC958_AES4_CON_ORIGFS_12000 (2<<4) /**< 12kHz */
+#define IEC958_AES4_CON_ORIGFS_176400 (3<<4) /**< 176.4kHz */
+#define IEC958_AES4_CON_ORIGFS_96000 (5<<4) /**< 96kHz */
+#define IEC958_AES4_CON_ORIGFS_8000 (6<<4) /**< 8kHz */
+#define IEC958_AES4_CON_ORIGFS_88200 (7<<4) /**< 88.2kHz */
+#define IEC958_AES4_CON_ORIGFS_16000 (8<<4) /**< 16kHz */
+#define IEC958_AES4_CON_ORIGFS_24000 (9<<4) /**< 24kHz */
+#define IEC958_AES4_CON_ORIGFS_11025 (10<<4) /**< 11.025kHz */
+#define IEC958_AES4_CON_ORIGFS_22050 (11<<4) /**< 22.05kHz */
+#define IEC958_AES4_CON_ORIGFS_32000 (12<<4) /**< 32kHz */
+#define IEC958_AES4_CON_ORIGFS_48000 (13<<4) /**< 48kHz */
+#define IEC958_AES4_CON_ORIGFS_44100 (15<<4) /**< 44.1kHz */
+#define IEC958_AES5_CON_CGMSA (3<<0) /**< mask - CGMS-A */
+#define IEC958_AES5_CON_CGMSA_COPYFREELY (0<<0) /**< copying is permitted without restriction */
+#define IEC958_AES5_CON_CGMSA_COPYONCE (1<<0) /**< one generation of copies may be made */
+#define IEC958_AES5_CON_CGMSA_COPYNOMORE (2<<0) /**< condition not be used */
+#define IEC958_AES5_CON_CGMSA_COPYNEVER (3<<0) /**< no copying is permitted */
+
+/** \} */
+
+/**
+ * \defgroup MIDI_Interface Constants for MIDI v1.0
+ * Constants for MIDI v1.0.
+ * \{
+ */
+
+#define MIDI_CHANNELS 16 /**< Number of channels per port/cable. */
+#define MIDI_GM_DRUM_CHANNEL (10-1) /**< Channel number for GM drums. */
+
+/**
+ * \defgroup MIDI_Commands MIDI Commands
+ * MIDI command codes.
+ * \{
+ */
+
+#define MIDI_CMD_NOTE_OFF 0x80 /**< note off */
+#define MIDI_CMD_NOTE_ON 0x90 /**< note on */
+#define MIDI_CMD_NOTE_PRESSURE 0xa0 /**< key pressure */
+#define MIDI_CMD_CONTROL 0xb0 /**< control change */
+#define MIDI_CMD_PGM_CHANGE 0xc0 /**< program change */
+#define MIDI_CMD_CHANNEL_PRESSURE 0xd0 /**< channel pressure */
+#define MIDI_CMD_BENDER 0xe0 /**< pitch bender */
+
+#define MIDI_CMD_COMMON_SYSEX 0xf0 /**< sysex (system exclusive) begin */
+#define MIDI_CMD_COMMON_MTC_QUARTER 0xf1 /**< MTC quarter frame */
+#define MIDI_CMD_COMMON_SONG_POS 0xf2 /**< song position */
+#define MIDI_CMD_COMMON_SONG_SELECT 0xf3 /**< song select */
+#define MIDI_CMD_COMMON_TUNE_REQUEST 0xf6 /**< tune request */
+#define MIDI_CMD_COMMON_SYSEX_END 0xf7 /**< end of sysex */
+#define MIDI_CMD_COMMON_CLOCK 0xf8 /**< clock */
+#define MIDI_CMD_COMMON_START 0xfa /**< start */
+#define MIDI_CMD_COMMON_CONTINUE 0xfb /**< continue */
+#define MIDI_CMD_COMMON_STOP 0xfc /**< stop */
+#define MIDI_CMD_COMMON_SENSING 0xfe /**< active sensing */
+#define MIDI_CMD_COMMON_RESET 0xff /**< reset */
+
+/** \} */
+
+/**
+ * \defgroup MIDI_Controllers MIDI Controllers
+ * MIDI controller numbers.
+ * \{
+ */
+
+#define MIDI_CTL_MSB_BANK 0x00 /**< Bank selection */
+#define MIDI_CTL_MSB_MODWHEEL 0x01 /**< Modulation */
+#define MIDI_CTL_MSB_BREATH 0x02 /**< Breath */
+#define MIDI_CTL_MSB_FOOT 0x04 /**< Foot */
+#define MIDI_CTL_MSB_PORTAMENTO_TIME 0x05 /**< Portamento time */
+#define MIDI_CTL_MSB_DATA_ENTRY 0x06 /**< Data entry */
+#define MIDI_CTL_MSB_MAIN_VOLUME 0x07 /**< Main volume */
+#define MIDI_CTL_MSB_BALANCE 0x08 /**< Balance */
+#define MIDI_CTL_MSB_PAN 0x0a /**< Panpot */
+#define MIDI_CTL_MSB_EXPRESSION 0x0b /**< Expression */
+#define MIDI_CTL_MSB_EFFECT1 0x0c /**< Effect1 */
+#define MIDI_CTL_MSB_EFFECT2 0x0d /**< Effect2 */
+#define MIDI_CTL_MSB_GENERAL_PURPOSE1 0x10 /**< General purpose 1 */
+#define MIDI_CTL_MSB_GENERAL_PURPOSE2 0x11 /**< General purpose 2 */
+#define MIDI_CTL_MSB_GENERAL_PURPOSE3 0x12 /**< General purpose 3 */
+#define MIDI_CTL_MSB_GENERAL_PURPOSE4 0x13 /**< General purpose 4 */
+#define MIDI_CTL_LSB_BANK 0x20 /**< Bank selection */
+#define MIDI_CTL_LSB_MODWHEEL 0x21 /**< Modulation */
+#define MIDI_CTL_LSB_BREATH 0x22 /**< Breath */
+#define MIDI_CTL_LSB_FOOT 0x24 /**< Foot */
+#define MIDI_CTL_LSB_PORTAMENTO_TIME 0x25 /**< Portamento time */
+#define MIDI_CTL_LSB_DATA_ENTRY 0x26 /**< Data entry */
+#define MIDI_CTL_LSB_MAIN_VOLUME 0x27 /**< Main volume */
+#define MIDI_CTL_LSB_BALANCE 0x28 /**< Balance */
+#define MIDI_CTL_LSB_PAN 0x2a /**< Panpot */
+#define MIDI_CTL_LSB_EXPRESSION 0x2b /**< Expression */
+#define MIDI_CTL_LSB_EFFECT1 0x2c /**< Effect1 */
+#define MIDI_CTL_LSB_EFFECT2 0x2d /**< Effect2 */
+#define MIDI_CTL_LSB_GENERAL_PURPOSE1 0x30 /**< General purpose 1 */
+#define MIDI_CTL_LSB_GENERAL_PURPOSE2 0x31 /**< General purpose 2 */
+#define MIDI_CTL_LSB_GENERAL_PURPOSE3 0x32 /**< General purpose 3 */
+#define MIDI_CTL_LSB_GENERAL_PURPOSE4 0x33 /**< General purpose 4 */
+#define MIDI_CTL_SUSTAIN 0x40 /**< Sustain pedal */
+#define MIDI_CTL_PORTAMENTO 0x41 /**< Portamento */
+#define MIDI_CTL_SOSTENUTO 0x42 /**< Sostenuto */
+#define MIDI_CTL_SUSTENUTO 0x42 /**< Sostenuto (a typo in the older version) */
+#define MIDI_CTL_SOFT_PEDAL 0x43 /**< Soft pedal */
+#define MIDI_CTL_LEGATO_FOOTSWITCH 0x44 /**< Legato foot switch */
+#define MIDI_CTL_HOLD2 0x45 /**< Hold2 */
+#define MIDI_CTL_SC1_SOUND_VARIATION 0x46 /**< SC1 Sound Variation */
+#define MIDI_CTL_SC2_TIMBRE 0x47 /**< SC2 Timbre */
+#define MIDI_CTL_SC3_RELEASE_TIME 0x48 /**< SC3 Release Time */
+#define MIDI_CTL_SC4_ATTACK_TIME 0x49 /**< SC4 Attack Time */
+#define MIDI_CTL_SC5_BRIGHTNESS 0x4a /**< SC5 Brightness */
+#define MIDI_CTL_SC6 0x4b /**< SC6 */
+#define MIDI_CTL_SC7 0x4c /**< SC7 */
+#define MIDI_CTL_SC8 0x4d /**< SC8 */
+#define MIDI_CTL_SC9 0x4e /**< SC9 */
+#define MIDI_CTL_SC10 0x4f /**< SC10 */
+#define MIDI_CTL_GENERAL_PURPOSE5 0x50 /**< General purpose 5 */
+#define MIDI_CTL_GENERAL_PURPOSE6 0x51 /**< General purpose 6 */
+#define MIDI_CTL_GENERAL_PURPOSE7 0x52 /**< General purpose 7 */
+#define MIDI_CTL_GENERAL_PURPOSE8 0x53 /**< General purpose 8 */
+#define MIDI_CTL_PORTAMENTO_CONTROL 0x54 /**< Portamento control */
+#define MIDI_CTL_E1_REVERB_DEPTH 0x5b /**< E1 Reverb Depth */
+#define MIDI_CTL_E2_TREMOLO_DEPTH 0x5c /**< E2 Tremolo Depth */
+#define MIDI_CTL_E3_CHORUS_DEPTH 0x5d /**< E3 Chorus Depth */
+#define MIDI_CTL_E4_DETUNE_DEPTH 0x5e /**< E4 Detune Depth */
+#define MIDI_CTL_E5_PHASER_DEPTH 0x5f /**< E5 Phaser Depth */
+#define MIDI_CTL_DATA_INCREMENT 0x60 /**< Data Increment */
+#define MIDI_CTL_DATA_DECREMENT 0x61 /**< Data Decrement */
+#define MIDI_CTL_NONREG_PARM_NUM_LSB 0x62 /**< Non-registered parameter number */
+#define MIDI_CTL_NONREG_PARM_NUM_MSB 0x63 /**< Non-registered parameter number */
+#define MIDI_CTL_REGIST_PARM_NUM_LSB 0x64 /**< Registered parameter number */
+#define MIDI_CTL_REGIST_PARM_NUM_MSB 0x65 /**< Registered parameter number */
+#define MIDI_CTL_ALL_SOUNDS_OFF 0x78 /**< All sounds off */
+#define MIDI_CTL_RESET_CONTROLLERS 0x79 /**< Reset Controllers */
+#define MIDI_CTL_LOCAL_CONTROL_SWITCH 0x7a /**< Local control switch */
+#define MIDI_CTL_ALL_NOTES_OFF 0x7b /**< All notes off */
+#define MIDI_CTL_OMNI_OFF 0x7c /**< Omni off */
+#define MIDI_CTL_OMNI_ON 0x7d /**< Omni on */
+#define MIDI_CTL_MONO1 0x7e /**< Mono1 */
+#define MIDI_CTL_MONO2 0x7f /**< Mono2 */
+
+/** \} */
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_ASOUNDEF_H */
diff --git a/include/asoundlib-head.h b/include/asoundlib-head.h
new file mode 100644
index 0000000..1ec611e
--- /dev/null
+++ b/include/asoundlib-head.h
@@ -0,0 +1,40 @@
+/**
+ * \file include/asoundlib.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASOUNDLIB_H
+#define __ASOUNDLIB_H
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <sys/poll.h>
+#include <errno.h>
+#include <stdarg.h>
diff --git a/include/asoundlib-tail.h b/include/asoundlib-tail.h
new file mode 100644
index 0000000..e20f5ad
--- /dev/null
+++ b/include/asoundlib-tail.h
@@ -0,0 +1,2 @@
+
+#endif /* __ASOUNDLIB_H */
diff --git a/include/asoundlib.h b/include/asoundlib.h
new file mode 100644
index 0000000..3c2766e
--- /dev/null
+++ b/include/asoundlib.h
@@ -0,0 +1,65 @@
+/**
+ * \file include/asoundlib.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASOUNDLIB_H
+#define __ASOUNDLIB_H
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <sys/poll.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <endian.h>
+
+#ifndef __GNUC__
+#define __inline__ inline
+#endif
+
+#include <alsa/asoundef.h>
+#include <alsa/version.h>
+#include <alsa/global.h>
+#include <alsa/input.h>
+#include <alsa/output.h>
+#include <alsa/error.h>
+#include <alsa/conf.h>
+#include <alsa/pcm.h>
+#include <alsa/rawmidi.h>
+#include <alsa/timer.h>
+#include <alsa/hwdep.h>
+#include <alsa/control.h>
+#include <alsa/mixer.h>
+#include <alsa/seq_event.h>
+#include <alsa/seq.h>
+#include <alsa/seqmid.h>
+#include <alsa/seq_midi_event.h>
+
+#endif /* __ASOUNDLIB_H */
diff --git a/include/conf.h b/include/conf.h
new file mode 100644
index 0000000..ff270f6
--- /dev/null
+++ b/include/conf.h
@@ -0,0 +1,207 @@
+/**
+ * \file include/conf.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_CONF_H
+#define __ALSA_CONF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Config Configuration Interface
+ * The configuration functions and types allow you to read, enumerate,
+ * modify and write the contents of ALSA configuration files.
+ * \{
+ */
+
+/** \brief \c dlsym version for the config evaluate callback. */
+#define SND_CONFIG_DLSYM_VERSION_EVALUATE _dlsym_config_evaluate_001
+/** \brief \c dlsym version for the config hook callback. */
+#define SND_CONFIG_DLSYM_VERSION_HOOK _dlsym_config_hook_001
+
+/** \brief Configuration node type. */
+typedef enum _snd_config_type {
+ /** Integer number. */
+ SND_CONFIG_TYPE_INTEGER,
+ /** 64-bit integer number. */
+ SND_CONFIG_TYPE_INTEGER64,
+ /** Real number. */
+ SND_CONFIG_TYPE_REAL,
+ /** Character string. */
+ SND_CONFIG_TYPE_STRING,
+ /** Pointer (runtime only, cannot be saved). */
+ SND_CONFIG_TYPE_POINTER,
+ /** Compound node. */
+ SND_CONFIG_TYPE_COMPOUND = 1024
+} snd_config_type_t;
+
+/**
+ * \brief Internal structure for a configuration node object.
+ *
+ * The ALSA library uses a pointer to this structure as a handle to a
+ * configuration node. Applications don't access its contents directly.
+ */
+typedef struct _snd_config snd_config_t;
+/**
+ * \brief Type for a configuration compound iterator.
+ *
+ * The ALSA library uses this pointer type as a handle to a configuration
+ * compound iterator. Applications don't directly access the contents of
+ * the structure pointed to by this type.
+ */
+typedef struct _snd_config_iterator *snd_config_iterator_t;
+/**
+ * \brief Internal structure for a configuration private update object.
+ *
+ * The ALSA library uses this structure to save private update information.
+ */
+typedef struct _snd_config_update snd_config_update_t;
+
+extern snd_config_t *snd_config;
+
+int snd_config_top(snd_config_t **config);
+
+int snd_config_load(snd_config_t *config, snd_input_t *in);
+int snd_config_load_override(snd_config_t *config, snd_input_t *in);
+int snd_config_save(snd_config_t *config, snd_output_t *out);
+int snd_config_update(void);
+int snd_config_update_r(snd_config_t **top, snd_config_update_t **update, const char *path);
+int snd_config_update_free(snd_config_update_t *update);
+int snd_config_update_free_global(void);
+
+int snd_config_search(snd_config_t *config, const char *key,
+ snd_config_t **result);
+int snd_config_searchv(snd_config_t *config,
+ snd_config_t **result, ...);
+int snd_config_search_definition(snd_config_t *config,
+ const char *base, const char *key,
+ snd_config_t **result);
+
+int snd_config_expand(snd_config_t *config, snd_config_t *root,
+ const char *args, snd_config_t *private_data,
+ snd_config_t **result);
+int snd_config_evaluate(snd_config_t *config, snd_config_t *root,
+ snd_config_t *private_data, snd_config_t **result);
+
+int snd_config_add(snd_config_t *config, snd_config_t *leaf);
+int snd_config_delete(snd_config_t *config);
+int snd_config_delete_compound_members(const snd_config_t *config);
+int snd_config_copy(snd_config_t **dst, snd_config_t *src);
+
+int snd_config_make(snd_config_t **config, const char *key,
+ snd_config_type_t type);
+int snd_config_make_integer(snd_config_t **config, const char *key);
+int snd_config_make_integer64(snd_config_t **config, const char *key);
+int snd_config_make_real(snd_config_t **config, const char *key);
+int snd_config_make_string(snd_config_t **config, const char *key);
+int snd_config_make_pointer(snd_config_t **config, const char *key);
+int snd_config_make_compound(snd_config_t **config, const char *key, int join);
+
+int snd_config_imake_integer(snd_config_t **config, const char *key, const long value);
+int snd_config_imake_integer64(snd_config_t **config, const char *key, const long long value);
+int snd_config_imake_real(snd_config_t **config, const char *key, const double value);
+int snd_config_imake_string(snd_config_t **config, const char *key, const char *ascii);
+int snd_config_imake_pointer(snd_config_t **config, const char *key, const void *ptr);
+
+snd_config_type_t snd_config_get_type(const snd_config_t *config);
+
+int snd_config_set_id(snd_config_t *config, const char *id);
+int snd_config_set_integer(snd_config_t *config, long value);
+int snd_config_set_integer64(snd_config_t *config, long long value);
+int snd_config_set_real(snd_config_t *config, double value);
+int snd_config_set_string(snd_config_t *config, const char *value);
+int snd_config_set_ascii(snd_config_t *config, const char *ascii);
+int snd_config_set_pointer(snd_config_t *config, const void *ptr);
+int snd_config_get_id(const snd_config_t *config, const char **value);
+int snd_config_get_integer(const snd_config_t *config, long *value);
+int snd_config_get_integer64(const snd_config_t *config, long long *value);
+int snd_config_get_real(const snd_config_t *config, double *value);
+int snd_config_get_ireal(const snd_config_t *config, double *value);
+int snd_config_get_string(const snd_config_t *config, const char **value);
+int snd_config_get_ascii(const snd_config_t *config, char **value);
+int snd_config_get_pointer(const snd_config_t *config, const void **value);
+int snd_config_test_id(const snd_config_t *config, const char *id);
+
+snd_config_iterator_t snd_config_iterator_first(const snd_config_t *node);
+snd_config_iterator_t snd_config_iterator_next(const snd_config_iterator_t iterator);
+snd_config_iterator_t snd_config_iterator_end(const snd_config_t *node);
+snd_config_t *snd_config_iterator_entry(const snd_config_iterator_t iterator);
+
+/**
+ * \brief Helper macro to iterate over the children of a compound node.
+ * \param[in,out] pos Iterator variable for the current node.
+ * \param[in,out] next Temporary iterator variable for the next node.
+ * \param[in] node Handle to the compound configuration node to iterate over.
+ *
+ * Use this macro like a \c for statement, e.g.:
+ * \code
+ * snd_config_iterator_t pos, next;
+ * snd_config_for_each(pos, next, node) {
+ * snd_config_t *entry = snd_config_iterator_entry(pos);
+ * ...
+ * }
+ * \endcode
+ *
+ * This macro allows deleting or removing the current node.
+ */
+#define snd_config_for_each(pos, next, node) \
+ for (pos = snd_config_iterator_first(node), next = snd_config_iterator_next(pos); pos != snd_config_iterator_end(node); pos = next, next = snd_config_iterator_next(pos))
+
+/* Misc functions */
+
+int snd_config_get_bool_ascii(const char *ascii);
+int snd_config_get_bool(const snd_config_t *conf);
+int snd_config_get_ctl_iface_ascii(const char *ascii);
+int snd_config_get_ctl_iface(const snd_config_t *conf);
+
+/* Names functions */
+
+/**
+ * Device-name list element
+ */
+typedef struct snd_devname snd_devname_t;
+
+/**
+ * Device-name list element (definition)
+ */
+struct snd_devname {
+ char *name; /**< Device name string */
+ char *comment; /**< Comments */
+ snd_devname_t *next; /**< Next pointer */
+};
+
+int snd_names_list(const char *iface, snd_devname_t **list);
+void snd_names_list_free(snd_devname_t *list);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_CONF_H */
diff --git a/include/config.h b/include/config.h
new file mode 100644
index 0000000..ff3ff7d
--- /dev/null
+++ b/include/config.h
@@ -0,0 +1,186 @@
+/* include/config.h. Generated from config.h.in by configure. */
+/* include/config.h.in. Generated from configure.ac by autoheader. */
+
+/* Directory with aload* device files */
+#define ALOAD_DEVICE_DIRECTORY "/dev/"
+
+/* directory containing ALSA configuration database */
+#define ALSA_CONFIG_DIR "/usr/share/alsa"
+
+/* Enable assert at error message handler */
+/* #undef ALSA_DEBUG_ASSERT */
+
+/* Directory with ALSA device files */
+#define ALSA_DEVICE_DIRECTORY "/dev/snd/"
+
+/* directory containing pkgconfig files */
+#define ALSA_PKGCONF_DIR "/usr/lib/pkgconfig"
+
+/* directory containing ALSA add-on modules */
+#define ALSA_PLUGIN_DIR "/usr/lib/alsa-lib"
+
+/* Build hwdep component */
+#define BUILD_HWDEP "1"
+
+/* Build mixer component */
+#define BUILD_MIXER "1"
+
+/* Build PCM component */
+#define BUILD_PCM "1"
+
+/* Build PCM adpcm plugin */
+#define BUILD_PCM_PLUGIN_ADPCM "1"
+
+/* Build PCM alaw plugin */
+#define BUILD_PCM_PLUGIN_ALAW "1"
+
+/* Build PCM lfloat plugin */
+#define BUILD_PCM_PLUGIN_LFLOAT "1"
+
+/* Build PCM mmap-emul plugin */
+#define BUILD_PCM_PLUGIN_MMAP_EMUL "1"
+
+/* Build PCM mulaw plugin */
+#define BUILD_PCM_PLUGIN_MULAW "1"
+
+/* Build PCM rate plugin */
+#define BUILD_PCM_PLUGIN_RATE "1"
+
+/* Build PCM route plugin */
+#define BUILD_PCM_PLUGIN_ROUTE "1"
+
+/* Build raw MIDI component */
+#define BUILD_RAWMIDI "1"
+
+/* Build sequencer component */
+#define BUILD_SEQ "1"
+
+/* Build UCM component */
+#define BUILD_UCM "1"
+
+/* Have clock gettime */
+#define HAVE_CLOCK_GETTIME 1
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the <endian.h> header file. */
+#define HAVE_ENDIAN_H 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Have libdl */
+#define HAVE_LIBDL 1
+
+/* Have libpthread */
+#define HAVE_LIBPTHREAD 1
+
+/* Define to 1 if you have the `resmgr' library (-lresmgr). */
+/* #undef HAVE_LIBRESMGR */
+
+/* Have librt */
+#define HAVE_LIBRT 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Avoid calculation in float */
+/* #undef HAVE_SOFT_FLOAT */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/endian.h> header file. */
+/* #undef HAVE_SYS_ENDIAN_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `uselocale' function. */
+#define HAVE_USELOCALE 1
+
+/* Define to 1 if you have the <wordexp.h> header file. */
+#define HAVE_WORDEXP_H 1
+
+/* Define to 1 if compiler supports __thread */
+#define HAVE___THREAD 1
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+ */
+#define LT_OBJDIR ".libs/"
+
+/* No assert debug */
+/* #undef NDEBUG */
+
+/* Name of package */
+#define PACKAGE "alsa-lib"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "alsa-lib"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "alsa-lib 1.0.29"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "alsa-lib"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "1.0.29"
+
+/* Max number of cards */
+#define SND_MAX_CARDS 32
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Support /dev/aload* access for auto-loading */
+#define SUPPORT_ALOAD "1"
+
+/* Support resmgr with alsa-lib */
+/* #undef SUPPORT_RESMGR */
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* directory to put tmp socket files */
+#define TMPDIR "/tmp"
+
+/* sound library version string */
+#define VERSION "1.0.29"
+
+/* compiled with versioned symbols */
+#define VERSIONED_SYMBOLS /**/
+
+/* Toolchain Symbol Prefix */
+#define __SYMBOL_PREFIX ""
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+ calls it, or to nothing if 'inline' is not supported under any name. */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
diff --git a/include/config.h.in b/include/config.h.in
new file mode 100644
index 0000000..629616a
--- /dev/null
+++ b/include/config.h.in
@@ -0,0 +1,185 @@
+/* include/config.h.in. Generated from configure.ac by autoheader. */
+
+/* Directory with aload* device files */
+#undef ALOAD_DEVICE_DIRECTORY
+
+/* directory containing ALSA configuration database */
+#undef ALSA_CONFIG_DIR
+
+/* Enable assert at error message handler */
+#undef ALSA_DEBUG_ASSERT
+
+/* Directory with ALSA device files */
+#undef ALSA_DEVICE_DIRECTORY
+
+/* directory containing pkgconfig files */
+#undef ALSA_PKGCONF_DIR
+
+/* directory containing ALSA add-on modules */
+#undef ALSA_PLUGIN_DIR
+
+/* Build hwdep component */
+#undef BUILD_HWDEP
+
+/* Build mixer component */
+#undef BUILD_MIXER
+
+/* Build PCM component */
+#undef BUILD_PCM
+
+/* Build PCM adpcm plugin */
+#undef BUILD_PCM_PLUGIN_ADPCM
+
+/* Build PCM alaw plugin */
+#undef BUILD_PCM_PLUGIN_ALAW
+
+/* Build PCM lfloat plugin */
+#undef BUILD_PCM_PLUGIN_LFLOAT
+
+/* Build PCM mmap-emul plugin */
+#undef BUILD_PCM_PLUGIN_MMAP_EMUL
+
+/* Build PCM mulaw plugin */
+#undef BUILD_PCM_PLUGIN_MULAW
+
+/* Build PCM rate plugin */
+#undef BUILD_PCM_PLUGIN_RATE
+
+/* Build PCM route plugin */
+#undef BUILD_PCM_PLUGIN_ROUTE
+
+/* Build raw MIDI component */
+#undef BUILD_RAWMIDI
+
+/* Build sequencer component */
+#undef BUILD_SEQ
+
+/* Build UCM component */
+#undef BUILD_UCM
+
+/* Have clock gettime */
+#undef HAVE_CLOCK_GETTIME
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <endian.h> header file. */
+#undef HAVE_ENDIAN_H
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Have libdl */
+#undef HAVE_LIBDL
+
+/* Have libpthread */
+#undef HAVE_LIBPTHREAD
+
+/* Define to 1 if you have the `resmgr' library (-lresmgr). */
+#undef HAVE_LIBRESMGR
+
+/* Have librt */
+#undef HAVE_LIBRT
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Avoid calculation in float */
+#undef HAVE_SOFT_FLOAT
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/endian.h> header file. */
+#undef HAVE_SYS_ENDIAN_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `uselocale' function. */
+#undef HAVE_USELOCALE
+
+/* Define to 1 if you have the <wordexp.h> header file. */
+#undef HAVE_WORDEXP_H
+
+/* Define to 1 if compiler supports __thread */
+#undef HAVE___THREAD
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+ */
+#undef LT_OBJDIR
+
+/* No assert debug */
+#undef NDEBUG
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Max number of cards */
+#undef SND_MAX_CARDS
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Support /dev/aload* access for auto-loading */
+#undef SUPPORT_ALOAD
+
+/* Support resmgr with alsa-lib */
+#undef SUPPORT_RESMGR
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#undef TIME_WITH_SYS_TIME
+
+/* directory to put tmp socket files */
+#undef TMPDIR
+
+/* sound library version string */
+#undef VERSION
+
+/* compiled with versioned symbols */
+#undef VERSIONED_SYMBOLS
+
+/* Toolchain Symbol Prefix */
+#undef __SYMBOL_PREFIX
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+ calls it, or to nothing if 'inline' is not supported under any name. */
+#ifndef __cplusplus
+#undef inline
+#endif
diff --git a/include/control.h b/include/control.h
new file mode 100644
index 0000000..5fdf379
--- /dev/null
+++ b/include/control.h
@@ -0,0 +1,599 @@
+/**
+ * \file include/control.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_CONTROL_H
+#define __ALSA_CONTROL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Control Control Interface
+ * The control interface.
+ * See \ref control page for more details.
+ * \{
+ */
+
+/** dlsym version for interface entry callback */
+#define SND_CONTROL_DLSYM_VERSION _dlsym_control_001
+
+/** IEC958 structure */
+typedef struct snd_aes_iec958 {
+ unsigned char status[24]; /**< AES/IEC958 channel status bits */
+ unsigned char subcode[147]; /**< AES/IEC958 subcode bits */
+ unsigned char pad; /**< nothing */
+ unsigned char dig_subframe[4]; /**< AES/IEC958 subframe bits */
+} snd_aes_iec958_t;
+
+/** CTL card info container */
+typedef struct _snd_ctl_card_info snd_ctl_card_info_t;
+
+/** CTL element identifier container */
+typedef struct _snd_ctl_elem_id snd_ctl_elem_id_t;
+
+/** CTL element identifier list container */
+typedef struct _snd_ctl_elem_list snd_ctl_elem_list_t;
+
+/** CTL element info container */
+typedef struct _snd_ctl_elem_info snd_ctl_elem_info_t;
+
+/** CTL element value container */
+typedef struct _snd_ctl_elem_value snd_ctl_elem_value_t;
+
+/** CTL event container */
+typedef struct _snd_ctl_event snd_ctl_event_t;
+
+/** CTL element type */
+typedef enum _snd_ctl_elem_type {
+ /** Invalid type */
+ SND_CTL_ELEM_TYPE_NONE = 0,
+ /** Boolean contents */
+ SND_CTL_ELEM_TYPE_BOOLEAN,
+ /** Integer contents */
+ SND_CTL_ELEM_TYPE_INTEGER,
+ /** Enumerated contents */
+ SND_CTL_ELEM_TYPE_ENUMERATED,
+ /** Bytes contents */
+ SND_CTL_ELEM_TYPE_BYTES,
+ /** IEC958 (S/PDIF) setting content */
+ SND_CTL_ELEM_TYPE_IEC958,
+ /** 64-bit integer contents */
+ SND_CTL_ELEM_TYPE_INTEGER64,
+ SND_CTL_ELEM_TYPE_LAST = SND_CTL_ELEM_TYPE_INTEGER64
+} snd_ctl_elem_type_t;
+
+/** CTL related interface */
+typedef enum _snd_ctl_elem_iface {
+ /** Card level */
+ SND_CTL_ELEM_IFACE_CARD = 0,
+ /** Hardware dependent device */
+ SND_CTL_ELEM_IFACE_HWDEP,
+ /** Mixer */
+ SND_CTL_ELEM_IFACE_MIXER,
+ /** PCM */
+ SND_CTL_ELEM_IFACE_PCM,
+ /** RawMidi */
+ SND_CTL_ELEM_IFACE_RAWMIDI,
+ /** Timer */
+ SND_CTL_ELEM_IFACE_TIMER,
+ /** Sequencer */
+ SND_CTL_ELEM_IFACE_SEQUENCER,
+ SND_CTL_ELEM_IFACE_LAST = SND_CTL_ELEM_IFACE_SEQUENCER
+} snd_ctl_elem_iface_t;
+
+/** Event class */
+typedef enum _snd_ctl_event_type {
+ /** Elements related event */
+ SND_CTL_EVENT_ELEM = 0,
+ SND_CTL_EVENT_LAST = SND_CTL_EVENT_ELEM
+}snd_ctl_event_type_t;
+
+/** Element has been removed (Warning: test this first and if set don't
+ * test the other masks) \hideinitializer */
+#define SND_CTL_EVENT_MASK_REMOVE (~0U)
+/** Element value has been changed \hideinitializer */
+#define SND_CTL_EVENT_MASK_VALUE (1<<0)
+/** Element info has been changed \hideinitializer */
+#define SND_CTL_EVENT_MASK_INFO (1<<1)
+/** Element has been added \hideinitializer */
+#define SND_CTL_EVENT_MASK_ADD (1<<2)
+/** Element's TLV value has been changed \hideinitializer */
+#define SND_CTL_EVENT_MASK_TLV (1<<3)
+
+/** CTL name helper */
+#define SND_CTL_NAME_NONE ""
+/** CTL name helper */
+#define SND_CTL_NAME_PLAYBACK "Playback "
+/** CTL name helper */
+#define SND_CTL_NAME_CAPTURE "Capture "
+
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_NONE ""
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_SWITCH "Switch"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_VOLUME "Volume"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_DEFAULT "Default"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_MASK "Mask"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_CON_MASK "Con Mask"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
+/** CTL name helper */
+#define SND_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
+/** Element name for IEC958 (S/PDIF) */
+#define SND_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SND_CTL_NAME_##direction SND_CTL_NAME_IEC958_##what
+
+/** Mask for the major Power State identifier */
+#define SND_CTL_POWER_MASK 0xff00
+/** ACPI/PCI Power State D0 */
+#define SND_CTL_POWER_D0 0x0000
+/** ACPI/PCI Power State D1 */
+#define SND_CTL_POWER_D1 0x0100
+/** ACPI/PCI Power State D2 */
+#define SND_CTL_POWER_D2 0x0200
+/** ACPI/PCI Power State D3 */
+#define SND_CTL_POWER_D3 0x0300
+/** ACPI/PCI Power State D3hot */
+#define SND_CTL_POWER_D3hot (SND_CTL_POWER_D3|0x0000)
+/** ACPI/PCI Power State D3cold */
+#define SND_CTL_POWER_D3cold (SND_CTL_POWER_D3|0x0001)
+
+/** TLV type - Container */
+#define SND_CTL_TLVT_CONTAINER 0x0000
+/** TLV type - basic dB scale */
+#define SND_CTL_TLVT_DB_SCALE 0x0001
+/** TLV type - linear volume */
+#define SND_CTL_TLVT_DB_LINEAR 0x0002
+/** TLV type - dB range container */
+#define SND_CTL_TLVT_DB_RANGE 0x0003
+/** TLV type - dB scale specified by min/max values */
+#define SND_CTL_TLVT_DB_MINMAX 0x0004
+/** TLV type - dB scale specified by min/max values (with mute) */
+#define SND_CTL_TLVT_DB_MINMAX_MUTE 0x0005
+
+/** Mute state */
+#define SND_CTL_TLV_DB_GAIN_MUTE -9999999
+
+/** TLV type - fixed channel map positions */
+#define SND_CTL_TLVT_CHMAP_FIXED 0x00101
+/** TLV type - freely swappable channel map positions */
+#define SND_CTL_TLVT_CHMAP_VAR 0x00102
+/** TLV type - pair-wise swappable channel map positions */
+#define SND_CTL_TLVT_CHMAP_PAIRED 0x00103
+
+/** CTL type */
+typedef enum _snd_ctl_type {
+ /** Kernel level CTL */
+ SND_CTL_TYPE_HW,
+ /** Shared memory client CTL */
+ SND_CTL_TYPE_SHM,
+ /** INET client CTL (not yet implemented) */
+ SND_CTL_TYPE_INET,
+ /** External control plugin */
+ SND_CTL_TYPE_EXT
+} snd_ctl_type_t;
+
+/** Non blocking mode (flag for open mode) \hideinitializer */
+#define SND_CTL_NONBLOCK 0x0001
+
+/** Async notification (flag for open mode) \hideinitializer */
+#define SND_CTL_ASYNC 0x0002
+
+/** Read only (flag for open mode) \hideinitializer */
+#define SND_CTL_READONLY 0x0004
+
+/** CTL handle */
+typedef struct _snd_ctl snd_ctl_t;
+
+/** Don't destroy the ctl handle when close */
+#define SND_SCTL_NOFREE 0x0001
+
+/** SCTL type */
+typedef struct _snd_sctl snd_sctl_t;
+
+int snd_card_load(int card);
+int snd_card_next(int *card);
+int snd_card_get_index(const char *name);
+int snd_card_get_name(int card, char **name);
+int snd_card_get_longname(int card, char **name);
+
+int snd_device_name_hint(int card, const char *iface, void ***hints);
+int snd_device_name_free_hint(void **hints);
+char *snd_device_name_get_hint(const void *hint, const char *id);
+
+int snd_ctl_open(snd_ctl_t **ctl, const char *name, int mode);
+int snd_ctl_open_lconf(snd_ctl_t **ctl, const char *name, int mode, snd_config_t *lconf);
+int snd_ctl_open_fallback(snd_ctl_t **ctl, snd_config_t *root, const char *name, const char *orig_name, int mode);
+int snd_ctl_close(snd_ctl_t *ctl);
+int snd_ctl_nonblock(snd_ctl_t *ctl, int nonblock);
+static __inline__ int snd_ctl_abort(snd_ctl_t *ctl) { return snd_ctl_nonblock(ctl, 2); }
+int snd_async_add_ctl_handler(snd_async_handler_t **handler, snd_ctl_t *ctl,
+ snd_async_callback_t callback, void *private_data);
+snd_ctl_t *snd_async_handler_get_ctl(snd_async_handler_t *handler);
+int snd_ctl_poll_descriptors_count(snd_ctl_t *ctl);
+int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int space);
+int snd_ctl_poll_descriptors_revents(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_ctl_subscribe_events(snd_ctl_t *ctl, int subscribe);
+int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info);
+int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t *list);
+int snd_ctl_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info);
+int snd_ctl_elem_read(snd_ctl_t *ctl, snd_ctl_elem_value_t *value);
+int snd_ctl_elem_write(snd_ctl_t *ctl, snd_ctl_elem_value_t *value);
+int snd_ctl_elem_lock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
+int snd_ctl_elem_unlock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
+int snd_ctl_elem_tlv_read(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ unsigned int *tlv, unsigned int tlv_size);
+int snd_ctl_elem_tlv_write(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ const unsigned int *tlv);
+int snd_ctl_elem_tlv_command(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ const unsigned int *tlv);
+#ifdef __ALSA_HWDEP_H
+int snd_ctl_hwdep_next_device(snd_ctl_t *ctl, int * device);
+int snd_ctl_hwdep_info(snd_ctl_t *ctl, snd_hwdep_info_t * info);
+#endif
+#ifdef __ALSA_PCM_H
+int snd_ctl_pcm_next_device(snd_ctl_t *ctl, int *device);
+int snd_ctl_pcm_info(snd_ctl_t *ctl, snd_pcm_info_t * info);
+int snd_ctl_pcm_prefer_subdevice(snd_ctl_t *ctl, int subdev);
+#endif
+#ifdef __ALSA_RAWMIDI_H
+int snd_ctl_rawmidi_next_device(snd_ctl_t *ctl, int * device);
+int snd_ctl_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info);
+int snd_ctl_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev);
+#endif
+int snd_ctl_set_power_state(snd_ctl_t *ctl, unsigned int state);
+int snd_ctl_get_power_state(snd_ctl_t *ctl, unsigned int *state);
+
+int snd_ctl_read(snd_ctl_t *ctl, snd_ctl_event_t *event);
+int snd_ctl_wait(snd_ctl_t *ctl, int timeout);
+const char *snd_ctl_name(snd_ctl_t *ctl);
+snd_ctl_type_t snd_ctl_type(snd_ctl_t *ctl);
+
+const char *snd_ctl_elem_type_name(snd_ctl_elem_type_t type);
+const char *snd_ctl_elem_iface_name(snd_ctl_elem_iface_t iface);
+const char *snd_ctl_event_type_name(snd_ctl_event_type_t type);
+
+unsigned int snd_ctl_event_elem_get_mask(const snd_ctl_event_t *obj);
+unsigned int snd_ctl_event_elem_get_numid(const snd_ctl_event_t *obj);
+void snd_ctl_event_elem_get_id(const snd_ctl_event_t *obj, snd_ctl_elem_id_t *ptr);
+snd_ctl_elem_iface_t snd_ctl_event_elem_get_interface(const snd_ctl_event_t *obj);
+unsigned int snd_ctl_event_elem_get_device(const snd_ctl_event_t *obj);
+unsigned int snd_ctl_event_elem_get_subdevice(const snd_ctl_event_t *obj);
+const char *snd_ctl_event_elem_get_name(const snd_ctl_event_t *obj);
+unsigned int snd_ctl_event_elem_get_index(const snd_ctl_event_t *obj);
+
+int snd_ctl_elem_list_alloc_space(snd_ctl_elem_list_t *obj, unsigned int entries);
+void snd_ctl_elem_list_free_space(snd_ctl_elem_list_t *obj);
+
+char *snd_ctl_ascii_elem_id_get(snd_ctl_elem_id_t *id);
+int snd_ctl_ascii_elem_id_parse(snd_ctl_elem_id_t *dst, const char *str);
+int snd_ctl_ascii_value_parse(snd_ctl_t *handle,
+ snd_ctl_elem_value_t *dst,
+ snd_ctl_elem_info_t *info,
+ const char *value);
+
+size_t snd_ctl_elem_id_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_ctl_elem_id_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_ctl_elem_id_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_id)
+int snd_ctl_elem_id_malloc(snd_ctl_elem_id_t **ptr);
+void snd_ctl_elem_id_free(snd_ctl_elem_id_t *obj);
+void snd_ctl_elem_id_clear(snd_ctl_elem_id_t *obj);
+void snd_ctl_elem_id_copy(snd_ctl_elem_id_t *dst, const snd_ctl_elem_id_t *src);
+unsigned int snd_ctl_elem_id_get_numid(const snd_ctl_elem_id_t *obj);
+snd_ctl_elem_iface_t snd_ctl_elem_id_get_interface(const snd_ctl_elem_id_t *obj);
+unsigned int snd_ctl_elem_id_get_device(const snd_ctl_elem_id_t *obj);
+unsigned int snd_ctl_elem_id_get_subdevice(const snd_ctl_elem_id_t *obj);
+const char *snd_ctl_elem_id_get_name(const snd_ctl_elem_id_t *obj);
+unsigned int snd_ctl_elem_id_get_index(const snd_ctl_elem_id_t *obj);
+void snd_ctl_elem_id_set_numid(snd_ctl_elem_id_t *obj, unsigned int val);
+void snd_ctl_elem_id_set_interface(snd_ctl_elem_id_t *obj, snd_ctl_elem_iface_t val);
+void snd_ctl_elem_id_set_device(snd_ctl_elem_id_t *obj, unsigned int val);
+void snd_ctl_elem_id_set_subdevice(snd_ctl_elem_id_t *obj, unsigned int val);
+void snd_ctl_elem_id_set_name(snd_ctl_elem_id_t *obj, const char *val);
+void snd_ctl_elem_id_set_index(snd_ctl_elem_id_t *obj, unsigned int val);
+
+size_t snd_ctl_card_info_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_ctl_card_info_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_ctl_card_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_card_info)
+int snd_ctl_card_info_malloc(snd_ctl_card_info_t **ptr);
+void snd_ctl_card_info_free(snd_ctl_card_info_t *obj);
+void snd_ctl_card_info_clear(snd_ctl_card_info_t *obj);
+void snd_ctl_card_info_copy(snd_ctl_card_info_t *dst, const snd_ctl_card_info_t *src);
+int snd_ctl_card_info_get_card(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_id(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_driver(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_name(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_longname(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_mixername(const snd_ctl_card_info_t *obj);
+const char *snd_ctl_card_info_get_components(const snd_ctl_card_info_t *obj);
+
+size_t snd_ctl_event_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_ctl_event_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_ctl_event_alloca(ptr) __snd_alloca(ptr, snd_ctl_event)
+int snd_ctl_event_malloc(snd_ctl_event_t **ptr);
+void snd_ctl_event_free(snd_ctl_event_t *obj);
+void snd_ctl_event_clear(snd_ctl_event_t *obj);
+void snd_ctl_event_copy(snd_ctl_event_t *dst, const snd_ctl_event_t *src);
+snd_ctl_event_type_t snd_ctl_event_get_type(const snd_ctl_event_t *obj);
+
+size_t snd_ctl_elem_list_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_ctl_elem_list_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_ctl_elem_list_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_list)
+int snd_ctl_elem_list_malloc(snd_ctl_elem_list_t **ptr);
+void snd_ctl_elem_list_free(snd_ctl_elem_list_t *obj);
+void snd_ctl_elem_list_clear(snd_ctl_elem_list_t *obj);
+void snd_ctl_elem_list_copy(snd_ctl_elem_list_t *dst, const snd_ctl_elem_list_t *src);
+void snd_ctl_elem_list_set_offset(snd_ctl_elem_list_t *obj, unsigned int val);
+unsigned int snd_ctl_elem_list_get_used(const snd_ctl_elem_list_t *obj);
+unsigned int snd_ctl_elem_list_get_count(const snd_ctl_elem_list_t *obj);
+void snd_ctl_elem_list_get_id(const snd_ctl_elem_list_t *obj, unsigned int idx, snd_ctl_elem_id_t *ptr);
+unsigned int snd_ctl_elem_list_get_numid(const snd_ctl_elem_list_t *obj, unsigned int idx);
+snd_ctl_elem_iface_t snd_ctl_elem_list_get_interface(const snd_ctl_elem_list_t *obj, unsigned int idx);
+unsigned int snd_ctl_elem_list_get_device(const snd_ctl_elem_list_t *obj, unsigned int idx);
+unsigned int snd_ctl_elem_list_get_subdevice(const snd_ctl_elem_list_t *obj, unsigned int idx);
+const char *snd_ctl_elem_list_get_name(const snd_ctl_elem_list_t *obj, unsigned int idx);
+unsigned int snd_ctl_elem_list_get_index(const snd_ctl_elem_list_t *obj, unsigned int idx);
+
+size_t snd_ctl_elem_info_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_ctl_elem_info_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_ctl_elem_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_info)
+int snd_ctl_elem_info_malloc(snd_ctl_elem_info_t **ptr);
+void snd_ctl_elem_info_free(snd_ctl_elem_info_t *obj);
+void snd_ctl_elem_info_clear(snd_ctl_elem_info_t *obj);
+void snd_ctl_elem_info_copy(snd_ctl_elem_info_t *dst, const snd_ctl_elem_info_t *src);
+snd_ctl_elem_type_t snd_ctl_elem_info_get_type(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_readable(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_writable(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_volatile(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_inactive(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_locked(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_tlv_readable(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_tlv_writable(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_tlv_commandable(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_owner(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_is_user(const snd_ctl_elem_info_t *obj);
+pid_t snd_ctl_elem_info_get_owner(const snd_ctl_elem_info_t *obj);
+unsigned int snd_ctl_elem_info_get_count(const snd_ctl_elem_info_t *obj);
+long snd_ctl_elem_info_get_min(const snd_ctl_elem_info_t *obj);
+long snd_ctl_elem_info_get_max(const snd_ctl_elem_info_t *obj);
+long snd_ctl_elem_info_get_step(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_min64(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_max64(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_step64(const snd_ctl_elem_info_t *obj);
+unsigned int snd_ctl_elem_info_get_items(const snd_ctl_elem_info_t *obj);
+void snd_ctl_elem_info_set_item(snd_ctl_elem_info_t *obj, unsigned int val);
+const char *snd_ctl_elem_info_get_item_name(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_get_dimensions(const snd_ctl_elem_info_t *obj);
+int snd_ctl_elem_info_get_dimension(const snd_ctl_elem_info_t *obj, unsigned int idx);
+void snd_ctl_elem_info_get_id(const snd_ctl_elem_info_t *obj, snd_ctl_elem_id_t *ptr);
+unsigned int snd_ctl_elem_info_get_numid(const snd_ctl_elem_info_t *obj);
+snd_ctl_elem_iface_t snd_ctl_elem_info_get_interface(const snd_ctl_elem_info_t *obj);
+unsigned int snd_ctl_elem_info_get_device(const snd_ctl_elem_info_t *obj);
+unsigned int snd_ctl_elem_info_get_subdevice(const snd_ctl_elem_info_t *obj);
+const char *snd_ctl_elem_info_get_name(const snd_ctl_elem_info_t *obj);
+unsigned int snd_ctl_elem_info_get_index(const snd_ctl_elem_info_t *obj);
+void snd_ctl_elem_info_set_id(snd_ctl_elem_info_t *obj, const snd_ctl_elem_id_t *ptr);
+void snd_ctl_elem_info_set_numid(snd_ctl_elem_info_t *obj, unsigned int val);
+void snd_ctl_elem_info_set_interface(snd_ctl_elem_info_t *obj, snd_ctl_elem_iface_t val);
+void snd_ctl_elem_info_set_device(snd_ctl_elem_info_t *obj, unsigned int val);
+void snd_ctl_elem_info_set_subdevice(snd_ctl_elem_info_t *obj, unsigned int val);
+void snd_ctl_elem_info_set_name(snd_ctl_elem_info_t *obj, const char *val);
+void snd_ctl_elem_info_set_index(snd_ctl_elem_info_t *obj, unsigned int val);
+
+int snd_ctl_elem_add_integer(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long imin, long imax, long istep);
+int snd_ctl_elem_add_integer64(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, long long imin, long long imax, long long istep);
+int snd_ctl_elem_add_boolean(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count);
+int snd_ctl_elem_add_enumerated(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id, unsigned int count, unsigned int items, const char *const names[]);
+int snd_ctl_elem_add_iec958(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id);
+int snd_ctl_elem_remove(snd_ctl_t *ctl, snd_ctl_elem_id_t *id);
+
+size_t snd_ctl_elem_value_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_ctl_elem_value_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_ctl_elem_value_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_value)
+int snd_ctl_elem_value_malloc(snd_ctl_elem_value_t **ptr);
+void snd_ctl_elem_value_free(snd_ctl_elem_value_t *obj);
+void snd_ctl_elem_value_clear(snd_ctl_elem_value_t *obj);
+void snd_ctl_elem_value_copy(snd_ctl_elem_value_t *dst, const snd_ctl_elem_value_t *src);
+int snd_ctl_elem_value_compare(snd_ctl_elem_value_t *left, const snd_ctl_elem_value_t *right);
+void snd_ctl_elem_value_get_id(const snd_ctl_elem_value_t *obj, snd_ctl_elem_id_t *ptr);
+unsigned int snd_ctl_elem_value_get_numid(const snd_ctl_elem_value_t *obj);
+snd_ctl_elem_iface_t snd_ctl_elem_value_get_interface(const snd_ctl_elem_value_t *obj);
+unsigned int snd_ctl_elem_value_get_device(const snd_ctl_elem_value_t *obj);
+unsigned int snd_ctl_elem_value_get_subdevice(const snd_ctl_elem_value_t *obj);
+const char *snd_ctl_elem_value_get_name(const snd_ctl_elem_value_t *obj);
+unsigned int snd_ctl_elem_value_get_index(const snd_ctl_elem_value_t *obj);
+void snd_ctl_elem_value_set_id(snd_ctl_elem_value_t *obj, const snd_ctl_elem_id_t *ptr);
+void snd_ctl_elem_value_set_numid(snd_ctl_elem_value_t *obj, unsigned int val);
+void snd_ctl_elem_value_set_interface(snd_ctl_elem_value_t *obj, snd_ctl_elem_iface_t val);
+void snd_ctl_elem_value_set_device(snd_ctl_elem_value_t *obj, unsigned int val);
+void snd_ctl_elem_value_set_subdevice(snd_ctl_elem_value_t *obj, unsigned int val);
+void snd_ctl_elem_value_set_name(snd_ctl_elem_value_t *obj, const char *val);
+void snd_ctl_elem_value_set_index(snd_ctl_elem_value_t *obj, unsigned int val);
+int snd_ctl_elem_value_get_boolean(const snd_ctl_elem_value_t *obj, unsigned int idx);
+long snd_ctl_elem_value_get_integer(const snd_ctl_elem_value_t *obj, unsigned int idx);
+long long snd_ctl_elem_value_get_integer64(const snd_ctl_elem_value_t *obj, unsigned int idx);
+unsigned int snd_ctl_elem_value_get_enumerated(const snd_ctl_elem_value_t *obj, unsigned int idx);
+unsigned char snd_ctl_elem_value_get_byte(const snd_ctl_elem_value_t *obj, unsigned int idx);
+void snd_ctl_elem_value_set_boolean(snd_ctl_elem_value_t *obj, unsigned int idx, long val);
+void snd_ctl_elem_value_set_integer(snd_ctl_elem_value_t *obj, unsigned int idx, long val);
+void snd_ctl_elem_value_set_integer64(snd_ctl_elem_value_t *obj, unsigned int idx, long long val);
+void snd_ctl_elem_value_set_enumerated(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned int val);
+void snd_ctl_elem_value_set_byte(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned char val);
+void snd_ctl_elem_set_bytes(snd_ctl_elem_value_t *obj, void *data, size_t size);
+const void * snd_ctl_elem_value_get_bytes(const snd_ctl_elem_value_t *obj);
+void snd_ctl_elem_value_get_iec958(const snd_ctl_elem_value_t *obj, snd_aes_iec958_t *ptr);
+void snd_ctl_elem_value_set_iec958(snd_ctl_elem_value_t *obj, const snd_aes_iec958_t *ptr);
+
+int snd_tlv_parse_dB_info(unsigned int *tlv, unsigned int tlv_size,
+ unsigned int **db_tlvp);
+int snd_tlv_get_dB_range(unsigned int *tlv, long rangemin, long rangemax,
+ long *min, long *max);
+int snd_tlv_convert_to_dB(unsigned int *tlv, long rangemin, long rangemax,
+ long volume, long *db_gain);
+int snd_tlv_convert_from_dB(unsigned int *tlv, long rangemin, long rangemax,
+ long db_gain, long *value, int xdir);
+int snd_ctl_get_dB_range(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long *min, long *max);
+int snd_ctl_convert_to_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long volume, long *db_gain);
+int snd_ctl_convert_from_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long db_gain, long *value, int xdir);
+
+/**
+ * \defgroup HControl High level Control Interface
+ * \ingroup Control
+ * The high level control interface.
+ * See \ref hcontrol page for more details.
+ * \{
+ */
+
+/** HCTL element handle */
+typedef struct _snd_hctl_elem snd_hctl_elem_t;
+
+/** HCTL handle */
+typedef struct _snd_hctl snd_hctl_t;
+
+/**
+ * \brief Compare function for sorting HCTL elements
+ * \param e1 First element
+ * \param e2 Second element
+ * \return -1 if e1 < e2, 0 if e1 == e2, 1 if e1 > e2
+ */
+typedef int (*snd_hctl_compare_t)(const snd_hctl_elem_t *e1,
+ const snd_hctl_elem_t *e2);
+int snd_hctl_compare_fast(const snd_hctl_elem_t *c1,
+ const snd_hctl_elem_t *c2);
+/**
+ * \brief HCTL callback function
+ * \param hctl HCTL handle
+ * \param mask event mask
+ * \param elem related HCTL element (if any)
+ * \return 0 on success otherwise a negative error code
+ */
+typedef int (*snd_hctl_callback_t)(snd_hctl_t *hctl,
+ unsigned int mask,
+ snd_hctl_elem_t *elem);
+/**
+ * \brief HCTL element callback function
+ * \param elem HCTL element
+ * \param mask event mask
+ * \return 0 on success otherwise a negative error code
+ */
+typedef int (*snd_hctl_elem_callback_t)(snd_hctl_elem_t *elem,
+ unsigned int mask);
+
+int snd_hctl_open(snd_hctl_t **hctl, const char *name, int mode);
+int snd_hctl_open_ctl(snd_hctl_t **hctlp, snd_ctl_t *ctl);
+int snd_hctl_close(snd_hctl_t *hctl);
+int snd_hctl_nonblock(snd_hctl_t *hctl, int nonblock);
+static __inline__ int snd_hctl_abort(snd_hctl_t *hctl) { return snd_hctl_nonblock(hctl, 2); }
+int snd_hctl_poll_descriptors_count(snd_hctl_t *hctl);
+int snd_hctl_poll_descriptors(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int space);
+int snd_hctl_poll_descriptors_revents(snd_hctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+unsigned int snd_hctl_get_count(snd_hctl_t *hctl);
+int snd_hctl_set_compare(snd_hctl_t *hctl, snd_hctl_compare_t hsort);
+snd_hctl_elem_t *snd_hctl_first_elem(snd_hctl_t *hctl);
+snd_hctl_elem_t *snd_hctl_last_elem(snd_hctl_t *hctl);
+snd_hctl_elem_t *snd_hctl_find_elem(snd_hctl_t *hctl, const snd_ctl_elem_id_t *id);
+void snd_hctl_set_callback(snd_hctl_t *hctl, snd_hctl_callback_t callback);
+void snd_hctl_set_callback_private(snd_hctl_t *hctl, void *data);
+void *snd_hctl_get_callback_private(snd_hctl_t *hctl);
+int snd_hctl_load(snd_hctl_t *hctl);
+int snd_hctl_free(snd_hctl_t *hctl);
+int snd_hctl_handle_events(snd_hctl_t *hctl);
+const char *snd_hctl_name(snd_hctl_t *hctl);
+int snd_hctl_wait(snd_hctl_t *hctl, int timeout);
+snd_ctl_t *snd_hctl_ctl(snd_hctl_t *hctl);
+
+snd_hctl_elem_t *snd_hctl_elem_next(snd_hctl_elem_t *elem);
+snd_hctl_elem_t *snd_hctl_elem_prev(snd_hctl_elem_t *elem);
+int snd_hctl_elem_info(snd_hctl_elem_t *elem, snd_ctl_elem_info_t * info);
+int snd_hctl_elem_read(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value);
+int snd_hctl_elem_write(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value);
+int snd_hctl_elem_tlv_read(snd_hctl_elem_t *elem, unsigned int *tlv, unsigned int tlv_size);
+int snd_hctl_elem_tlv_write(snd_hctl_elem_t *elem, const unsigned int *tlv);
+int snd_hctl_elem_tlv_command(snd_hctl_elem_t *elem, const unsigned int *tlv);
+
+snd_hctl_t *snd_hctl_elem_get_hctl(snd_hctl_elem_t *elem);
+
+void snd_hctl_elem_get_id(const snd_hctl_elem_t *obj, snd_ctl_elem_id_t *ptr);
+unsigned int snd_hctl_elem_get_numid(const snd_hctl_elem_t *obj);
+snd_ctl_elem_iface_t snd_hctl_elem_get_interface(const snd_hctl_elem_t *obj);
+unsigned int snd_hctl_elem_get_device(const snd_hctl_elem_t *obj);
+unsigned int snd_hctl_elem_get_subdevice(const snd_hctl_elem_t *obj);
+const char *snd_hctl_elem_get_name(const snd_hctl_elem_t *obj);
+unsigned int snd_hctl_elem_get_index(const snd_hctl_elem_t *obj);
+void snd_hctl_elem_set_callback(snd_hctl_elem_t *obj, snd_hctl_elem_callback_t val);
+void * snd_hctl_elem_get_callback_private(const snd_hctl_elem_t *obj);
+void snd_hctl_elem_set_callback_private(snd_hctl_elem_t *obj, void * val);
+
+/** \} */
+
+/** \} */
+
+/**
+ * \defgroup SControl Setup Control Interface
+ * \ingroup Control
+ * The setup control interface - set or modify control elements from a configuration file.
+ * \{
+ */
+
+int snd_sctl_build(snd_sctl_t **ctl, snd_ctl_t *handle, snd_config_t *config,
+ snd_config_t *private_data, int mode);
+int snd_sctl_free(snd_sctl_t *handle);
+int snd_sctl_install(snd_sctl_t *handle);
+int snd_sctl_remove(snd_sctl_t *handle);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_CONTROL_H */
diff --git a/include/control_external.h b/include/control_external.h
new file mode 100644
index 0000000..12958e7
--- /dev/null
+++ b/include/control_external.h
@@ -0,0 +1,286 @@
+/**
+ * \file include/control_external.h
+ * \brief External control plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2005
+ *
+ * External control plugin SDK.
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef __ALSA_CONTROL_EXTERNAL_H
+#define __ALSA_CONTROL_EXTERNAL_H
+
+#include "control.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup CtlPlugin_SDK External Control Plugin SDK
+ * \{
+ */
+
+/**
+ * Define the object entry for external control plugins
+ */
+#define SND_CTL_PLUGIN_ENTRY(name) _snd_ctl_##name##_open
+
+/**
+ * Define the symbols of the given control plugin with versions
+ */
+#define SND_CTL_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_CTL_PLUGIN_ENTRY(name), SND_CONTROL_DLSYM_VERSION);
+
+/**
+ * Define the control plugin
+ */
+#define SND_CTL_PLUGIN_DEFINE_FUNC(plugin) \
+int SND_CTL_PLUGIN_ENTRY(plugin) (snd_ctl_t **handlep, const char *name,\
+ snd_config_t *root, snd_config_t *conf, int mode)
+
+/** External control plugin handle */
+typedef struct snd_ctl_ext snd_ctl_ext_t;
+/** Callback table of control ext */
+typedef struct snd_ctl_ext_callback snd_ctl_ext_callback_t;
+/** Key to access a control pointer */
+typedef unsigned long snd_ctl_ext_key_t;
+#ifdef DOC_HIDDEN
+/* redefine typedef's for stupid doxygen */
+typedef snd_ctl_ext snd_ctl_ext_t;
+typedef snd_ctl_ext_callback snd_ctl_ext_callback_t;
+#endif
+/** Callback to handle TLV commands. */
+typedef int (snd_ctl_ext_tlv_rw_t)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int op_flag, unsigned int numid,
+ unsigned int *tlv, unsigned int tlv_size);
+
+/*
+ * Protocol version
+ */
+#define SND_CTL_EXT_VERSION_MAJOR 1 /**< Protocol major version */
+#define SND_CTL_EXT_VERSION_MINOR 0 /**< Protocol minor version */
+#define SND_CTL_EXT_VERSION_TINY 1 /**< Protocol tiny version */
+/**
+ * external plugin protocol version
+ */
+#define SND_CTL_EXT_VERSION ((SND_CTL_EXT_VERSION_MAJOR<<16) |\
+ (SND_CTL_EXT_VERSION_MINOR<<8) |\
+ (SND_CTL_EXT_VERSION_TINY))
+
+/** Handle of control ext */
+struct snd_ctl_ext {
+ /**
+ * protocol version; #SND_CTL_EXT_VERSION must be filled here
+ * before calling #snd_ctl_ext_create()
+ */
+ unsigned int version;
+ /**
+ * Index of this card; must be filled before calling #snd_ctl_ext_create()
+ */
+ int card_idx;
+ /**
+ * ID string of this card; must be filled before calling #snd_ctl_ext_create()
+ */
+ char id[16];
+ /**
+ * Driver name of this card; must be filled before calling #snd_ctl_ext_create()
+ */
+ char driver[16];
+ /**
+ * short name of this card; must be filled before calling #snd_ctl_ext_create()
+ */
+ char name[32];
+ /**
+ * Long name of this card; must be filled before calling #snd_ctl_ext_create()
+ */
+ char longname[80];
+ /**
+ * Mixer name of this card; must be filled before calling #snd_ctl_ext_create()
+ */
+ char mixername[80];
+ /**
+ * poll descriptor
+ */
+ int poll_fd;
+
+ /**
+ * callbacks of this plugin; must be filled before calling #snd_pcm_ioplug_create()
+ */
+ const snd_ctl_ext_callback_t *callback;
+ /**
+ * private data, which can be used freely in the driver callbacks
+ */
+ void *private_data;
+ /**
+ * control handle filled by #snd_ctl_ext_create()
+ */
+ snd_ctl_t *handle;
+
+ int nonblock; /**< non-block mode; read-only */
+ int subscribed; /**< events subscribed; read-only */
+
+ /**
+ * optional TLV data for the control (since protocol 1.0.1)
+ */
+ union {
+ snd_ctl_ext_tlv_rw_t *c;
+ const unsigned int *p;
+ } tlv;
+};
+
+/** Callback table of ext. */
+struct snd_ctl_ext_callback {
+ /**
+ * close the control handle; optional
+ */
+ void (*close)(snd_ctl_ext_t *ext);
+ /**
+ * return the total number of elements; required
+ */
+ int (*elem_count)(snd_ctl_ext_t *ext);
+ /**
+ * return the element id of the given offset (array index); required
+ */
+ int (*elem_list)(snd_ctl_ext_t *ext, unsigned int offset, snd_ctl_elem_id_t *id);
+ /**
+ * convert the element id to a search key; required
+ */
+ snd_ctl_ext_key_t (*find_elem)(snd_ctl_ext_t *ext, const snd_ctl_elem_id_t *id);
+ /**
+ * the destructor of the key; optional
+ */
+ void (*free_key)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key);
+ /**
+ * get the attribute of the element; required
+ */
+ int (*get_attribute)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
+ int *type, unsigned int *acc, unsigned int *count);
+ /**
+ * get the element information of integer type
+ */
+ int (*get_integer_info)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
+ long *imin, long *imax, long *istep);
+ /**
+ * get the element information of integer64 type
+ */
+ int (*get_integer64_info)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key,
+ int64_t *imin, int64_t *imax, int64_t *istep);
+ /**
+ * get the element information of enumerated type
+ */
+ int (*get_enumerated_info)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int *items);
+ /**
+ * get the name of the enumerated item
+ */
+ int (*get_enumerated_name)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int item,
+ char *name, size_t name_max_len);
+ /**
+ * read the current values of integer type
+ */
+ int (*read_integer)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, long *value);
+ /**
+ * read the current values of integer64 type
+ */
+ int (*read_integer64)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int64_t *value);
+ /**
+ * read the current values of enumerated type
+ */
+ int (*read_enumerated)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int *items);
+ /**
+ * read the current values of bytes type
+ */
+ int (*read_bytes)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned char *data,
+ size_t max_bytes);
+ /**
+ * read the current values of iec958 type
+ */
+ int (*read_iec958)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, snd_aes_iec958_t *iec958);
+ /**
+ * update the current values of integer type with the given values
+ */
+ int (*write_integer)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, long *value);
+ /**
+ * update the current values of integer64 type with the given values
+ */
+ int (*write_integer64)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int64_t *value);
+ /**
+ * update the current values of enumerated type with the given values
+ */
+ int (*write_enumerated)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int *items);
+ /**
+ * update the current values of bytes type with the given values
+ */
+ int (*write_bytes)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned char *data,
+ size_t max_bytes);
+ /**
+ * update the current values of iec958 type with the given values
+ */
+ int (*write_iec958)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, snd_aes_iec958_t *iec958);
+ /**
+ * subscribe/unsubscribe the event notification; optional
+ */
+ void (*subscribe_events)(snd_ctl_ext_t *ext, int subscribe);
+ /**
+ * read a pending notification event; optional
+ */
+ int (*read_event)(snd_ctl_ext_t *ext, snd_ctl_elem_id_t *id, unsigned int *event_mask);
+ /**
+ * return the number of poll descriptors; optional
+ */
+ int (*poll_descriptors_count)(snd_ctl_ext_t *ext);
+ /**
+ * fill the poll descriptors; optional
+ */
+ int (*poll_descriptors)(snd_ctl_ext_t *ext, struct pollfd *pfds, unsigned int space);
+ /**
+ * mangle the revents of poll descriptors
+ */
+ int (*poll_revents)(snd_ctl_ext_t *ext, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+};
+
+/**
+ * The access type bits stored in get_attribute callback
+ */
+typedef enum snd_ctl_ext_access {
+ SND_CTL_EXT_ACCESS_READ = (1<<0),
+ SND_CTL_EXT_ACCESS_WRITE = (1<<1),
+ SND_CTL_EXT_ACCESS_READWRITE = (3<<0),
+ SND_CTL_EXT_ACCESS_VOLATILE = (1<<2),
+ SND_CTL_EXT_ACCESS_TLV_READ = (1<<4),
+ SND_CTL_EXT_ACCESS_TLV_WRITE = (1<<5),
+ SND_CTL_EXT_ACCESS_TLV_READWRITE = (3<<4),
+ SND_CTL_EXT_ACCESS_TLV_COMMAND = (1<<6),
+ SND_CTL_EXT_ACCESS_INACTIVE = (1<<8),
+ SND_CTL_EXT_ACCESS_TLV_CALLBACK = (1<<28),
+} snd_ctl_ext_access_t;
+
+/**
+ * find_elem callback returns this if no matching control element is found
+ */
+#define SND_CTL_EXT_KEY_NOT_FOUND (snd_ctl_ext_key_t)(-1)
+
+int snd_ctl_ext_create(snd_ctl_ext_t *ext, const char *name, int mode);
+int snd_ctl_ext_delete(snd_ctl_ext_t *ext);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_CONTROL_EXTERNAL_H */
diff --git a/include/error.h b/include/error.h
new file mode 100644
index 0000000..38ee070
--- /dev/null
+++ b/include/error.h
@@ -0,0 +1,85 @@
+/**
+ * \file include/error.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_ERROR_H
+#define __ALSA_ERROR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Error Error handling
+ * Error handling macros and functions.
+ * \{
+ */
+
+#define SND_ERROR_BEGIN 500000 /**< Lower boundary of sound error codes. */
+#define SND_ERROR_INCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0) /**< Kernel/library protocols are not compatible. */
+#define SND_ERROR_ALISP_NIL (SND_ERROR_BEGIN+1) /**< Lisp encountered an error during acall. */
+
+const char *snd_strerror(int errnum);
+
+/**
+ * \brief Error handler callback.
+ * \param file Source file name.
+ * \param line Line number.
+ * \param function Function name.
+ * \param err Value of \c errno, or 0 if not relevant.
+ * \param fmt \c printf(3) format.
+ * \param ... \c printf(3) arguments.
+ *
+ * A function of this type is called by the ALSA library when an error occurs.
+ * This function usually shows the message on the screen, and/or logs it.
+ */
+typedef void (*snd_lib_error_handler_t)(const char *file, int line, const char *function, int err, const char *fmt, ...) /* __attribute__ ((format (printf, 5, 6))) */;
+extern snd_lib_error_handler_t snd_lib_error;
+extern int snd_lib_error_set_handler(snd_lib_error_handler_t handler);
+
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 95)
+#define SNDERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, __VA_ARGS__) /**< Shows a sound error message. */
+#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__) /**< Shows a system error message (related to \c errno). */
+#else
+#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args) /**< Shows a sound error message. */
+#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args) /**< Shows a system error message (related to \c errno). */
+#endif
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+/** Local error handler function type */
+typedef void (*snd_local_error_handler_t)(const char *file, int line,
+ const char *func, int err,
+ const char *fmt, va_list arg);
+
+snd_local_error_handler_t snd_lib_error_set_local(snd_local_error_handler_t func);
+
+#endif /* __ALSA_ERROR_H */
+
diff --git a/include/global.h b/include/global.h
new file mode 100644
index 0000000..16a26dc
--- /dev/null
+++ b/include/global.h
@@ -0,0 +1,161 @@
+/**
+ * \file include/global.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_GLOBAL_H_
+#define __ALSA_GLOBAL_H_
+
+/* for timeval and timespec */
+#include <time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Global Global defines and functions
+ * Global defines and functions.
+ * \par
+ * The ALSA library implementation uses these macros and functions.
+ * Most applications probably do not need them.
+ * \{
+ */
+
+const char *snd_asoundlib_version(void);
+
+#ifndef ATTRIBUTE_UNUSED
+/** do not print warning (gcc) when function parameter is not used */
+#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+#endif
+
+#ifdef PIC /* dynamic build */
+
+/** \hideinitializer \brief Helper macro for #SND_DLSYM_BUILD_VERSION. */
+#define __SND_DLSYM_VERSION(name, version) _ ## name ## version
+/**
+ * \hideinitializer
+ * \brief Appends the build version to the name of a versioned dynamic symbol.
+ */
+#define SND_DLSYM_BUILD_VERSION(name, version) char __SND_DLSYM_VERSION(name, version);
+
+#else /* static build */
+
+struct snd_dlsym_link {
+ struct snd_dlsym_link *next;
+ const char *dlsym_name;
+ const void *dlsym_ptr;
+};
+
+extern struct snd_dlsym_link *snd_dlsym_start;
+
+/** \hideinitializer \brief Helper macro for #SND_DLSYM_BUILD_VERSION. */
+#define __SND_DLSYM_VERSION(prefix, name, version) _ ## prefix ## name ## version
+/**
+ * \hideinitializer
+ * \brief Appends the build version to the name of a versioned dynamic symbol.
+ */
+#define SND_DLSYM_BUILD_VERSION(name, version) \
+ static struct snd_dlsym_link __SND_DLSYM_VERSION(snd_dlsym_, name, version); \
+ void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) __attribute__ ((constructor)); \
+ void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) { \
+ __SND_DLSYM_VERSION(snd_dlsym_, name, version).next = snd_dlsym_start; \
+ __SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_name = # name; \
+ __SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_ptr = (void *)&name; \
+ snd_dlsym_start = &__SND_DLSYM_VERSION(snd_dlsym_, name, version); \
+ }
+
+#endif
+
+#ifndef __STRING
+/** \brief Return 'x' argument as string */
+#define __STRING(x) #x
+#endif
+
+/** \brief Returns the version of a dynamic symbol as a string. */
+#define SND_DLSYM_VERSION(version) __STRING(version)
+
+void *snd_dlopen(const char *file, int mode);
+void *snd_dlsym(void *handle, const char *name, const char *version);
+int snd_dlclose(void *handle);
+
+
+/** \brief alloca helper macro. */
+#define __snd_alloca(ptr,type) do { *ptr = (type##_t *) alloca(type##_sizeof()); memset(*ptr, 0, type##_sizeof()); } while (0)
+
+/**
+ * \brief Internal structure for an async notification client handler.
+ *
+ * The ALSA library uses a pointer to this structure as a handle to an async
+ * notification object. Applications don't access its contents directly.
+ */
+typedef struct _snd_async_handler snd_async_handler_t;
+
+/**
+ * \brief Async notification callback.
+ *
+ * See the #snd_async_add_handler function for details.
+ */
+typedef void (*snd_async_callback_t)(snd_async_handler_t *handler);
+
+int snd_async_add_handler(snd_async_handler_t **handler, int fd,
+ snd_async_callback_t callback, void *private_data);
+int snd_async_del_handler(snd_async_handler_t *handler);
+int snd_async_handler_get_fd(snd_async_handler_t *handler);
+int snd_async_handler_get_signo(snd_async_handler_t *handler);
+void *snd_async_handler_get_callback_private(snd_async_handler_t *handler);
+
+struct snd_shm_area *snd_shm_area_create(int shmid, void *ptr);
+struct snd_shm_area *snd_shm_area_share(struct snd_shm_area *area);
+int snd_shm_area_destroy(struct snd_shm_area *area);
+
+int snd_user_file(const char *file, char **result);
+
+#ifdef __GLIBC__
+#if !defined(_POSIX_C_SOURCE) && !defined(_POSIX_SOURCE)
+struct timeval {
+ time_t tv_sec; /* seconds */
+ long tv_usec; /* microseconds */
+};
+
+struct timespec {
+ time_t tv_sec; /* seconds */
+ long tv_nsec; /* nanoseconds */
+};
+#endif
+#endif
+
+/** Timestamp */
+typedef struct timeval snd_timestamp_t;
+/** Hi-res timestamp */
+typedef struct timespec snd_htimestamp_t;
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_GLOBAL_H */
diff --git a/include/hwdep.h b/include/hwdep.h
new file mode 100644
index 0000000..3d3c31b
--- /dev/null
+++ b/include/hwdep.h
@@ -0,0 +1,167 @@
+/**
+ * \file include/hwdep.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_HWDEP_H
+#define __ALSA_HWDEP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup HwDep Hardware Dependant Interface
+ * The Hardware Dependant Interface.
+ * \{
+ */
+
+/** dlsym version for interface entry callback */
+#define SND_HWDEP_DLSYM_VERSION _dlsym_hwdep_001
+
+/** HwDep information container */
+typedef struct _snd_hwdep_info snd_hwdep_info_t;
+
+/** HwDep DSP status container */
+typedef struct _snd_hwdep_dsp_status snd_hwdep_dsp_status_t;
+
+/** HwDep DSP image container */
+typedef struct _snd_hwdep_dsp_image snd_hwdep_dsp_image_t;
+
+/** HwDep interface */
+typedef enum _snd_hwdep_iface {
+ SND_HWDEP_IFACE_OPL2 = 0, /**< OPL2 raw driver */
+ SND_HWDEP_IFACE_OPL3, /**< OPL3 raw driver */
+ SND_HWDEP_IFACE_OPL4, /**< OPL4 raw driver */
+ SND_HWDEP_IFACE_SB16CSP, /**< SB16CSP driver */
+ SND_HWDEP_IFACE_EMU10K1, /**< EMU10K1 driver */
+ SND_HWDEP_IFACE_YSS225, /**< YSS225 driver */
+ SND_HWDEP_IFACE_ICS2115, /**< ICS2115 driver */
+ SND_HWDEP_IFACE_SSCAPE, /**< Ensoniq SoundScape ISA card (MC68EC000) */
+ SND_HWDEP_IFACE_VX, /**< Digigram VX cards */
+ SND_HWDEP_IFACE_MIXART, /**< Digigram miXart cards */
+ SND_HWDEP_IFACE_USX2Y, /**< Tascam US122, US224 & US428 usb */
+ SND_HWDEP_IFACE_EMUX_WAVETABLE, /**< EmuX wavetable */
+ SND_HWDEP_IFACE_BLUETOOTH, /**< Bluetooth audio */
+ SND_HWDEP_IFACE_USX2Y_PCM, /**< Tascam US122, US224 & US428 raw USB PCM */
+ SND_HWDEP_IFACE_PCXHR, /**< Digigram PCXHR */
+ SND_HWDEP_IFACE_SB_RC, /**< SB Extigy/Audigy2NX remote control */
+ SND_HWDEP_IFACE_HDA, /**< HD-audio */
+ SND_HWDEP_IFACE_USB_STREAM, /**< direct access to usb stream */
+ SND_HWDEP_IFACE_FW_DICE, /**< TC DICE FireWire device */
+ SND_HWDEP_IFACE_FW_FIREWORKS, /**< Echo Audio Fireworks based device */
+ SND_HWDEP_IFACE_FW_BEBOB, /**< BridgeCo BeBoB based device */
+ SND_HWDEP_IFACE_FW_OXFW, /**< Oxford OXFW970/971 based device */
+
+ SND_HWDEP_IFACE_LAST = SND_HWDEP_IFACE_FW_OXFW /**< last known hwdep interface */
+} snd_hwdep_iface_t;
+
+/** open for reading */
+#define SND_HWDEP_OPEN_READ (O_RDONLY)
+/** open for writing */
+#define SND_HWDEP_OPEN_WRITE (O_WRONLY)
+/** open for reading and writing */
+#define SND_HWDEP_OPEN_DUPLEX (O_RDWR)
+/** open mode flag: open in nonblock mode */
+#define SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK)
+
+/** HwDep handle type */
+typedef enum _snd_hwdep_type {
+ /** Kernel level HwDep */
+ SND_HWDEP_TYPE_HW,
+ /** Shared memory client HwDep (not yet implemented) */
+ SND_HWDEP_TYPE_SHM,
+ /** INET client HwDep (not yet implemented) */
+ SND_HWDEP_TYPE_INET
+} snd_hwdep_type_t;
+
+/** HwDep handle */
+typedef struct _snd_hwdep snd_hwdep_t;
+
+int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode);
+int snd_hwdep_close(snd_hwdep_t *hwdep);
+int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
+int snd_hwdep_poll_descriptors_count(snd_hwdep_t *hwdep);
+int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock);
+int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
+int snd_hwdep_dsp_status(snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *status);
+int snd_hwdep_dsp_load(snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block);
+int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg);
+ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
+ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
+
+size_t snd_hwdep_info_sizeof(void);
+/** allocate #snd_hwdep_info_t container on stack */
+#define snd_hwdep_info_alloca(ptr) __snd_alloca(ptr, snd_hwdep_info)
+int snd_hwdep_info_malloc(snd_hwdep_info_t **ptr);
+void snd_hwdep_info_free(snd_hwdep_info_t *obj);
+void snd_hwdep_info_copy(snd_hwdep_info_t *dst, const snd_hwdep_info_t *src);
+
+unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *obj);
+int snd_hwdep_info_get_card(const snd_hwdep_info_t *obj);
+const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj);
+const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj);
+snd_hwdep_iface_t snd_hwdep_info_get_iface(const snd_hwdep_info_t *obj);
+void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val);
+
+size_t snd_hwdep_dsp_status_sizeof(void);
+/** allocate #snd_hwdep_dsp_status_t container on stack */
+#define snd_hwdep_dsp_status_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_status)
+int snd_hwdep_dsp_status_malloc(snd_hwdep_dsp_status_t **ptr);
+void snd_hwdep_dsp_status_free(snd_hwdep_dsp_status_t *obj);
+void snd_hwdep_dsp_status_copy(snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src);
+
+unsigned int snd_hwdep_dsp_status_get_version(const snd_hwdep_dsp_status_t *obj);
+const char *snd_hwdep_dsp_status_get_id(const snd_hwdep_dsp_status_t *obj);
+unsigned int snd_hwdep_dsp_status_get_num_dsps(const snd_hwdep_dsp_status_t *obj);
+unsigned int snd_hwdep_dsp_status_get_dsp_loaded(const snd_hwdep_dsp_status_t *obj);
+unsigned int snd_hwdep_dsp_status_get_chip_ready(const snd_hwdep_dsp_status_t *obj);
+
+size_t snd_hwdep_dsp_image_sizeof(void);
+/** allocate #snd_hwdep_dsp_image_t container on stack */
+#define snd_hwdep_dsp_image_alloca(ptr) __snd_alloca(ptr, snd_hwdep_dsp_image)
+int snd_hwdep_dsp_image_malloc(snd_hwdep_dsp_image_t **ptr);
+void snd_hwdep_dsp_image_free(snd_hwdep_dsp_image_t *obj);
+void snd_hwdep_dsp_image_copy(snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src);
+
+unsigned int snd_hwdep_dsp_image_get_index(const snd_hwdep_dsp_image_t *obj);
+const char *snd_hwdep_dsp_image_get_name(const snd_hwdep_dsp_image_t *obj);
+const void *snd_hwdep_dsp_image_get_image(const snd_hwdep_dsp_image_t *obj);
+size_t snd_hwdep_dsp_image_get_length(const snd_hwdep_dsp_image_t *obj);
+
+void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int _index);
+void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name);
+void snd_hwdep_dsp_image_set_image(snd_hwdep_dsp_image_t *obj, void *buffer);
+void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_HWDEP_H */
+
diff --git a/include/iatomic.h b/include/iatomic.h
new file mode 100644
index 0000000..acdd3e2
--- /dev/null
+++ b/include/iatomic.h
@@ -0,0 +1,170 @@
+#ifndef __ALSA_IATOMIC_H
+#define __ALSA_IATOMIC_H
+
+#ifdef __i386__
+#define mb() __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory")
+#define rmb() mb()
+#define wmb() __asm__ __volatile__ ("": : :"memory")
+#define IATOMIC_DEFINED 1
+#endif
+
+#ifdef __x86_64__
+#define mb() asm volatile("mfence":::"memory")
+#define rmb() asm volatile("lfence":::"memory")
+#define wmb() asm volatile("sfence":::"memory")
+#define IATOMIC_DEFINED 1
+#endif
+
+#ifdef __ia64__
+/*
+ * Macros to force memory ordering. In these descriptions, "previous"
+ * and "subsequent" refer to program order; "visible" means that all
+ * architecturally visible effects of a memory access have occurred
+ * (at a minimum, this means the memory has been read or written).
+ *
+ * wmb(): Guarantees that all preceding stores to memory-
+ * like regions are visible before any subsequent
+ * stores and that all following stores will be
+ * visible only after all previous stores.
+ * rmb(): Like wmb(), but for reads.
+ * mb(): wmb()/rmb() combo, i.e., all previous memory
+ * accesses are visible before all subsequent
+ * accesses and vice versa. This is also known as
+ * a "fence."
+ *
+ * Note: "mb()" and its variants cannot be used as a fence to order
+ * accesses to memory mapped I/O registers. For that, mf.a needs to
+ * be used. However, we don't want to always use mf.a because (a)
+ * it's (presumably) much slower than mf and (b) mf.a is supported for
+ * sequential memory pages only.
+ */
+#define mb() __asm__ __volatile__ ("mf" ::: "memory")
+#define rmb() mb()
+#define wmb() mb()
+
+#define IATOMIC_DEFINED 1
+
+#endif /* __ia64__ */
+
+#ifdef __alpha__
+
+#define mb() \
+__asm__ __volatile__("mb": : :"memory")
+
+#define rmb() \
+__asm__ __volatile__("mb": : :"memory")
+
+#define wmb() \
+__asm__ __volatile__("wmb": : :"memory")
+
+#define IATOMIC_DEFINED 1
+
+#endif /* __alpha__ */
+
+#ifdef __powerpc__
+
+/*
+ * Memory barrier.
+ * The sync instruction guarantees that all memory accesses initiated
+ * by this processor have been performed (with respect to all other
+ * mechanisms that access memory). The eieio instruction is a barrier
+ * providing an ordering (separately) for (a) cacheable stores and (b)
+ * loads and stores to non-cacheable memory (e.g. I/O devices).
+ *
+ * mb() prevents loads and stores being reordered across this point.
+ * rmb() prevents loads being reordered across this point.
+ * wmb() prevents stores being reordered across this point.
+ *
+ * We can use the eieio instruction for wmb, but since it doesn't
+ * give any ordering guarantees about loads, we have to use the
+ * stronger but slower sync instruction for mb and rmb.
+ */
+#define mb() __asm__ __volatile__ ("sync" : : : "memory")
+#define rmb() __asm__ __volatile__ ("sync" : : : "memory")
+#define wmb() __asm__ __volatile__ ("eieio" : : : "memory")
+
+#define IATOMIC_DEFINED 1
+
+#endif /* __powerpc__ */
+
+#ifndef IATOMIC_DEFINED
+
+/* Generic __sync_synchronize is available from gcc 4.1 */
+
+#define mb() __sync_synchronize()
+#define rmb() mb()
+#define wmb() mb()
+
+#define IATOMIC_DEFINED 1
+
+#endif /* IATOMIC_DEFINED */
+
+/*
+ * Atomic read/write
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ */
+
+/* Max number of times we must spin on a spin-lock calling sched_yield().
+ After MAX_SPIN_COUNT iterations, we put the calling thread to sleep. */
+
+#ifndef MAX_SPIN_COUNT
+#define MAX_SPIN_COUNT 50
+#endif
+
+/* Duration of sleep (in nanoseconds) when we can't acquire a spin-lock
+ after MAX_SPIN_COUNT iterations of sched_yield().
+ This MUST BE > 2ms.
+ (Otherwise the kernel does busy-waiting for real-time threads,
+ giving other threads no chance to run.) */
+
+#ifndef SPIN_SLEEP_DURATION
+#define SPIN_SLEEP_DURATION 2000001
+#endif
+
+typedef struct {
+ unsigned int begin, end;
+} snd_atomic_write_t;
+
+typedef struct {
+ volatile const snd_atomic_write_t *write;
+ unsigned int end;
+} snd_atomic_read_t;
+
+void snd_atomic_read_wait(snd_atomic_read_t *t);
+
+static __inline__ void snd_atomic_write_init(snd_atomic_write_t *w)
+{
+ w->begin = 0;
+ w->end = 0;
+}
+
+static __inline__ void snd_atomic_write_begin(snd_atomic_write_t *w)
+{
+ w->begin++;
+ wmb();
+}
+
+static __inline__ void snd_atomic_write_end(snd_atomic_write_t *w)
+{
+ wmb();
+ w->end++;
+}
+
+static __inline__ void snd_atomic_read_init(snd_atomic_read_t *r, snd_atomic_write_t *w)
+{
+ r->write = w;
+}
+
+static __inline__ void snd_atomic_read_begin(snd_atomic_read_t *r)
+{
+ r->end = r->write->end;
+ rmb();
+}
+
+static __inline__ int snd_atomic_read_ok(snd_atomic_read_t *r)
+{
+ rmb();
+ return r->end == r->write->begin;
+}
+
+#endif /* __ALSA_IATOMIC_H */
diff --git a/include/input.h b/include/input.h
new file mode 100644
index 0000000..fc5d0e6
--- /dev/null
+++ b/include/input.h
@@ -0,0 +1,83 @@
+/**
+ * \file include/input.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_INPUT_H
+#define __ALSA_INPUT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Input Input Interface
+ *
+ * The input functions present an interface similar to the stdio functions
+ * on top of different underlying input sources.
+ *
+ * The #snd_config_load function uses such an input handle to be able to
+ * load configurations not only from standard files but also from other
+ * sources, e.g. from memory buffers.
+ *
+ * \{
+ */
+
+/**
+ * \brief Internal structure for an input object.
+ *
+ * The ALSA library uses a pointer to this structure as a handle to an
+ * input object. Applications don't access its contents directly.
+ */
+typedef struct _snd_input snd_input_t;
+
+/** Input type. */
+typedef enum _snd_input_type {
+ /** Input from a stdio stream. */
+ SND_INPUT_STDIO,
+ /** Input from a memory buffer. */
+ SND_INPUT_BUFFER
+} snd_input_type_t;
+
+int snd_input_stdio_open(snd_input_t **inputp, const char *file, const char *mode);
+int snd_input_stdio_attach(snd_input_t **inputp, FILE *fp, int _close);
+int snd_input_buffer_open(snd_input_t **inputp, const char *buffer, ssize_t size);
+int snd_input_close(snd_input_t *input);
+int snd_input_scanf(snd_input_t *input, const char *format, ...)
+#ifndef DOC_HIDDEN
+ __attribute__ ((format (scanf, 2, 3)))
+#endif
+ ;
+char *snd_input_gets(snd_input_t *input, char *str, size_t size);
+int snd_input_getc(snd_input_t *input);
+int snd_input_ungetc(snd_input_t *input, int c);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_INPUT_H */
diff --git a/include/list.h b/include/list.h
new file mode 100644
index 0000000..4d9895f
--- /dev/null
+++ b/include/list.h
@@ -0,0 +1,174 @@
+#ifndef _LIST_H
+#define _LIST_H
+
+/*
+ * This code was taken from the Linux 2.4.0 kernel. [jaroslav]
+ */
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+#ifndef LIST_HEAD_IS_DEFINED
+struct list_head {
+ struct list_head *next, *prev;
+};
+#endif
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+ struct list_head name = LIST_HEAD_INIT(name)
+
+#define INIT_LIST_HEAD(ptr) do { \
+ (ptr)->next = (ptr); (ptr)->prev = (ptr); \
+} while (0)
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static __inline__ void __list_add(struct list_head * _new,
+ struct list_head * prev,
+ struct list_head * next)
+{
+ next->prev = _new;
+ _new->next = next;
+ _new->prev = prev;
+ prev->next = _new;
+}
+
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static __inline__ void list_add(struct list_head *_new, struct list_head *head)
+{
+ __list_add(_new, head, head->next);
+}
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static __inline__ void list_add_tail(struct list_head *_new, struct list_head *head)
+{
+ __list_add(_new, head->prev, head);
+}
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static __inline__ void __list_del(struct list_head * prev,
+ struct list_head * next)
+{
+ next->prev = prev;
+ prev->next = next;
+}
+
+/**
+ * list_del - deletes entry from list.
+ * @entry: the element to delete from the list.
+ * Note: list_empty on entry does not return true after this, the entry is in an undefined state.
+ */
+static __inline__ void list_del(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+}
+
+/**
+ * list_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.n
+ */
+static __inline__ void list_del_init(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+ INIT_LIST_HEAD(entry);
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static __inline__ int list_empty(struct list_head *head)
+{
+ return head->next == head;
+}
+
+/**
+ * list_splice - join two lists
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static __inline__ void list_splice(struct list_head *list, struct list_head *head)
+{
+ struct list_head *first = list->next;
+
+ if (first != list) {
+ struct list_head *last = list->prev;
+ struct list_head *at = head->next;
+
+ first->prev = head;
+ head->next = first;
+
+ last->next = at;
+ at->prev = last;
+ }
+}
+
+/**
+ * list_for_each - iterate over a list
+ * @pos: the &struct list_head to use as a loop counter.
+ * @head: the head for your list.
+ */
+#define list_for_each(pos, head) \
+ for (pos = (head)->next ; pos != (head); pos = pos->next)
+
+/**
+ * list_for_each_safe - iterate over a list safely (actual pointer can be invalidated)
+ * @pos: the &struct list_head to use as a loop counter.
+ * @next: the &struct list_head to use to save next.
+ * @head: the head for your list.
+ */
+#define list_for_each_safe(pos, npos, head) \
+ for (pos = (head)->next, npos = pos->next ; pos != (head); pos = npos, npos = pos->next)
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+ ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @offset: offset of entry inside a struct
+ */
+#define list_entry_offset(ptr, type, offset) \
+ ((type *)((char *)(ptr)-(offset)))
+
+#endif /* _LIST_H */
diff --git a/include/local.h b/include/local.h
new file mode 100644
index 0000000..2fe9a27
--- /dev/null
+++ b/include/local.h
@@ -0,0 +1,351 @@
+/*
+ * ALSA lib - local header file
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __LOCAL_H
+#define __LOCAL_H
+
+#include "config.h"
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <assert.h>
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#elif defined(HAVE_SYS_ENDIAN_H)
+#include <sys/endian.h>
+#ifndef __BYTE_ORDER
+#define __BYTE_ORDER BYTE_ORDER
+#endif
+#ifndef __LITTLE_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#endif
+#ifndef __BIG_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#endif
+#else
+#error Header defining endianness not defined
+#endif
+#include <stdarg.h>
+#include <sys/poll.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#ifdef SUPPORT_RESMGR
+#include <resmgr.h>
+#endif
+#ifdef HAVE_LIBDL
+#include <dlfcn.h>
+#else
+#define RTLD_NOW 0
+#endif
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define SND_LITTLE_ENDIAN
+#define SNDRV_LITTLE_ENDIAN
+#elif __BYTE_ORDER == __BIG_ENDIAN
+#define SND_BIG_ENDIAN
+#define SNDRV_BIG_ENDIAN
+#else
+#error "Unsupported endian..."
+#endif
+
+#define _snd_config_iterator list_head
+#define _snd_interval snd_interval
+#define _snd_pcm_info snd_pcm_info
+#define _snd_pcm_hw_params snd_pcm_hw_params
+#define _snd_pcm_sw_params snd_pcm_sw_params
+#define _snd_pcm_status snd_pcm_status
+
+#define _snd_ctl_card_info snd_ctl_card_info
+#define _snd_ctl_elem_id snd_ctl_elem_id
+#define _snd_ctl_elem_list snd_ctl_elem_list
+#define _snd_ctl_elem_info snd_ctl_elem_info
+#define _snd_ctl_elem_value snd_ctl_elem_value
+#define _snd_ctl_event snd_ctl_event
+
+#define _snd_rawmidi_info snd_rawmidi_info
+#define _snd_rawmidi_params snd_rawmidi_params
+#define _snd_rawmidi_status snd_rawmidi_status
+
+#define _snd_hwdep_info snd_hwdep_info
+#define _snd_hwdep_dsp_status snd_hwdep_dsp_status
+#define _snd_hwdep_dsp_image snd_hwdep_dsp_image
+
+#define _snd_seq_queue_tempo snd_seq_queue_tempo
+#define _snd_seq_client_info snd_seq_client_info
+#define _snd_seq_port_info snd_seq_port_info
+#define _snd_seq_system_info snd_seq_system_info
+#define _snd_seq_queue_info snd_seq_queue_info
+#define _snd_seq_queue_status snd_seq_queue_status
+#define _snd_seq_queue_timer snd_seq_queue_timer
+#define _snd_seq_port_subscribe snd_seq_port_subscribe
+#define _snd_seq_query_subscribe snd_seq_query_subs
+#define _snd_seq_client_pool snd_seq_client_pool
+#define _snd_seq_remove_events snd_seq_remove_events
+
+#define _snd_timer_id snd_timer_id
+#define _snd_timer_ginfo snd_timer_ginfo
+#define _snd_timer_gparams snd_timer_gparams
+#define _snd_timer_gstatus snd_timer_gstatus
+#define _snd_timer_select snd_timer_select
+#define _snd_timer_info snd_timer_info
+#define _snd_timer_params snd_timer_params
+#define _snd_timer_status snd_timer_status
+
+#define ALSA_LIBRARY_BUILD
+
+/* rename some types for avoiding conflicts with alsalib's definitions */
+#define snd_aes_iec958 sndrv_aes_iec958
+#define snd_pcm_uframes_t sndrv_pcm_uframes_t
+#define snd_pcm_sframes_t sndrv_pcm_sframes_t
+#define snd_pcm_access_t sndrv_pcm_access_t
+#define snd_pcm_format_t sndrv_pcm_format_t
+#define snd_pcm_subformat_t sndrv_pcm_subformat_t
+#define snd_pcm_state_t sndrv_pcm_state_t
+#define snd_interval sndrv_interval
+#define snd_mask sndrv_mask
+#define snd_ctl_elem_type_t sndrv_ctl_elem_type_t
+#define snd_ctl_elem_iface_t sndrv_ctl_elem_iface_t
+#define snd_ctl_tlv sndrv_ctl_tlv
+
+/* kill and replace kernel-specific types */
+#ifndef __user
+#define __user
+#endif
+#ifndef __force
+#define __force
+#endif
+
+#include <sound/asound.h>
+
+/* take back superfluous renames; some can be kept as is */
+#undef snd_aes_iec958
+#undef snd_pcm_uframes_t
+#undef snd_pcm_sframes_t
+#undef snd_pcm_access_t
+#undef snd_pcm_format_t
+#undef snd_pcm_subformat_t
+#undef snd_pcm_state_t
+#undef snd_ctl_elem_type_t
+#undef snd_ctl_elem_iface_t
+
+#include <sound/asoundef.h>
+#include "alsa-symbols.h"
+#include "version.h"
+#include "global.h"
+#include "input.h"
+#include "output.h"
+#include "error.h"
+#include "conf.h"
+#include "pcm.h"
+#include "pcm_plugin.h"
+#include "rawmidi.h"
+#include "timer.h"
+#include "hwdep.h"
+#include "control.h"
+#include "mixer.h"
+#include "seq_event.h"
+#include "seq.h"
+
+/* rename some types for avoiding conflicts with alsalib's definitions */
+#define snd_seq_addr sndrv_seq_addr
+#define snd_seq_tick_time_t sndrv_seq_tick_time_t
+#define snd_seq_real_time sndrv_seq_real_time
+#define snd_seq_timestamp sndrv_seq_timestamp
+#define snd_seq_event_type_t sndrv_seq_event_type_t
+#define snd_seq_event sndrv_seq_event
+#define snd_seq_connect sndrv_seq_connect
+#define snd_seq_ev_note sndrv_seq_ev_note
+#define snd_seq_ev_ctrl sndrv_seq_ev_ctrl
+#define snd_seq_ev_raw8 sndrv_seq_ev_raw8
+#define snd_seq_ev_raw32 sndrv_seq_ev_raw32
+#define snd_seq_ev_ext sndrv_seq_ev_ext
+#define snd_seq_result sndrv_seq_result
+#define snd_seq_queue_skew sndrv_seq_queue_skew
+#define snd_seq_ev_queue_control sndrv_seq_ev_queue_control
+#define snd_seq_client_t sndrv_seq_client_t
+#define snd_seq_client_type_t sndrv_seq_client_type_t
+
+#include <sound/asequencer.h>
+
+/* take back some renames */
+#undef snd_seq_client_t
+#undef snd_seq_client_type_t
+
+#include "seqmid.h"
+#include "seq_midi_event.h"
+#include "list.h"
+
+struct _snd_async_handler {
+ enum {
+ SND_ASYNC_HANDLER_GENERIC,
+ SND_ASYNC_HANDLER_CTL,
+ SND_ASYNC_HANDLER_PCM,
+ SND_ASYNC_HANDLER_TIMER,
+ } type;
+ int fd;
+ union {
+ snd_ctl_t *ctl;
+ snd_pcm_t *pcm;
+ snd_timer_t *timer;
+ } u;
+ snd_async_callback_t callback;
+ void *private_data;
+ struct list_head glist;
+ struct list_head hlist;
+};
+
+typedef enum _snd_set_mode {
+ SND_CHANGE,
+ SND_TRY,
+ SND_TEST,
+} snd_set_mode_t;
+
+size_t page_align(size_t size);
+size_t page_size(void);
+size_t page_ptr(size_t object_offset, size_t object_size, size_t *offset, size_t *mmap_offset);
+
+int safe_strtol(const char *str, long *val);
+
+int snd_send_fd(int sock, void *data, size_t len, int fd);
+int snd_receive_fd(int sock, void *data, size_t len, int *fd);
+
+/*
+ * error messages
+ */
+#ifndef NDEBUG
+#define CHECK_SANITY(x) x
+extern snd_lib_error_handler_t snd_err_msg;
+#define SNDMSG(args...) snd_err_msg(__FILE__, __LINE__, __FUNCTION__, 0, ##args)
+#define SYSMSG(args...) snd_err_msg(__FILE__, __LINE__, __FUNCTION__, errno, ##args)
+#else
+#define CHECK_SANITY(x) 0 /* not evaluated */
+#define SNDMSG(args...) /* nop */
+#define SYSMSG(args...) /* nop */
+#endif
+
+/*
+ */
+#define HAVE_GNU_LD
+#define HAVE_ELF
+#define HAVE_ASM_PREVIOUS_DIRECTIVE
+
+/* Stolen from libc-symbols.h in GNU glibc */
+
+/* When a reference to SYMBOL is encountered, the linker will emit a
+ warning message MSG. */
+
+#define ASM_NAME(name) __SYMBOL_PREFIX name
+
+#ifdef HAVE_GNU_LD
+# ifdef HAVE_ELF
+
+/* We want the .gnu.warning.SYMBOL section to be unallocated. */
+# ifdef HAVE_ASM_PREVIOUS_DIRECTIVE
+# define __make_section_unallocated(section_string) \
+ asm (".section " section_string "\n\t.previous");
+# elif defined HAVE_ASM_POPSECTION_DIRECTIVE
+# define __make_section_unallocated(section_string) \
+ asm (".pushsection " section_string "\n\t.popsection");
+# else
+# define __make_section_unallocated(section_string)
+# endif
+
+/* Tacking on "\n\t#" to the section name makes gcc put it's bogus
+ section attributes on what looks like a comment to the assembler. */
+# ifdef HAVE_SECTION_QUOTES
+# define link_warning(symbol, msg) \
+ __make_section_unallocated (".gnu.warning." ASM_NAME(#symbol)) \
+ static const char __evoke_link_warning_##symbol[] \
+ __attribute__ ((section (".gnu.warning." ASM_NAME(#symbol) "\"\n\t#\""))) = msg;
+# else
+# define link_warning(symbol, msg) \
+ __make_section_unallocated (".gnu.warning." ASM_NAME(#symbol)) \
+ static const char __evoke_link_warning_##symbol[] \
+ __attribute__ ((section (".gnu.warning." ASM_NAME(#symbol) "\n\t#"))) = msg;
+# endif
+# else
+# define link_warning(symbol, msg) \
+ asm (".stabs \"" msg "\",30,0,0,0\n\t" \
+ ".stabs \"" ASM_NAME(#symbol) "\",1,0,0,0\n");
+# endif
+#else
+/* We will never be heard; they will all die horribly. */
+# define link_warning(symbol, msg)
+#endif
+
+static inline int snd_open_device(const char *filename, int fmode)
+{
+ int fd;
+
+#ifdef O_CLOEXEC
+ fmode |= O_CLOEXEC;
+#endif
+ fd = open(filename, fmode);
+
+/* open with resmgr */
+#ifdef SUPPORT_RESMGR
+ if (fd < 0) {
+ if (errno == EAGAIN || errno == EBUSY)
+ return fd;
+ if (! access(filename, F_OK))
+ fd = rsm_open_device(filename, fmode);
+ }
+#endif
+ if (fd >= 0)
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+ return fd;
+}
+
+/* make local functions really local */
+#define snd_dlobj_cache_get \
+ snd1_dlobj_cache_get
+#define snd_dlobj_cache_put \
+ snd1_dlobj_cache_put
+#define snd_dlobj_cache_cleanup \
+ snd1_dlobj_cache_cleanup
+#define snd_config_set_hop \
+ snd1_config_set_hop
+#define snd_config_check_hop \
+ snd1_config_check_hop
+#define snd_config_search_alias_hooks \
+ snd1_config_search_alias_hooks
+
+/* dlobj cache */
+void *snd_dlobj_cache_get(const char *lib, const char *name, const char *version, int verbose);
+int snd_dlobj_cache_put(void *open_func);
+void snd_dlobj_cache_cleanup(void);
+
+/* for recursive checks */
+void snd_config_set_hop(snd_config_t *conf, int hop);
+int snd_config_check_hop(snd_config_t *conf);
+#define SND_CONF_MAX_HOPS 64
+
+int snd_config_search_alias_hooks(snd_config_t *config,
+ const char *base, const char *key,
+ snd_config_t **result);
+
+#endif
diff --git a/include/mixer.h b/include/mixer.h
new file mode 100644
index 0000000..066d978
--- /dev/null
+++ b/include/mixer.h
@@ -0,0 +1,317 @@
+/**
+ * \file include/mixer.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_MIXER_H
+#define __ALSA_MIXER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Mixer Mixer Interface
+ * The mixer interface.
+ * \{
+ */
+
+/** Mixer handle */
+typedef struct _snd_mixer snd_mixer_t;
+/** Mixer elements class handle */
+typedef struct _snd_mixer_class snd_mixer_class_t;
+/** Mixer element handle */
+typedef struct _snd_mixer_elem snd_mixer_elem_t;
+
+/**
+ * \brief Mixer callback function
+ * \param mixer Mixer handle
+ * \param mask event mask
+ * \param elem related mixer element (if any)
+ * \return 0 on success otherwise a negative error code
+ */
+typedef int (*snd_mixer_callback_t)(snd_mixer_t *ctl,
+ unsigned int mask,
+ snd_mixer_elem_t *elem);
+
+/**
+ * \brief Mixer element callback function
+ * \param elem Mixer element
+ * \param mask event mask
+ * \return 0 on success otherwise a negative error code
+ */
+typedef int (*snd_mixer_elem_callback_t)(snd_mixer_elem_t *elem,
+ unsigned int mask);
+
+/**
+ * \brief Compare function for sorting mixer elements
+ * \param e1 First element
+ * \param e2 Second element
+ * \return -1 if e1 < e2, 0 if e1 == e2, 1 if e1 > e2
+ */
+typedef int (*snd_mixer_compare_t)(const snd_mixer_elem_t *e1,
+ const snd_mixer_elem_t *e2);
+
+/**
+ * \brief Event callback for the mixer class
+ * \param class_ Mixer class
+ * \param mask Event mask (SND_CTL_EVENT_*)
+ * \param helem HCTL element which invoked the event
+ * \param melem Mixer element associated to HCTL element
+ * \return zero if success, otherwise a negative error value
+ */
+typedef int (*snd_mixer_event_t)(snd_mixer_class_t *class_, unsigned int mask,
+ snd_hctl_elem_t *helem, snd_mixer_elem_t *melem);
+
+
+/** Mixer element type */
+typedef enum _snd_mixer_elem_type {
+ /* Simple mixer elements */
+ SND_MIXER_ELEM_SIMPLE,
+ SND_MIXER_ELEM_LAST = SND_MIXER_ELEM_SIMPLE
+} snd_mixer_elem_type_t;
+
+int snd_mixer_open(snd_mixer_t **mixer, int mode);
+int snd_mixer_close(snd_mixer_t *mixer);
+snd_mixer_elem_t *snd_mixer_first_elem(snd_mixer_t *mixer);
+snd_mixer_elem_t *snd_mixer_last_elem(snd_mixer_t *mixer);
+int snd_mixer_handle_events(snd_mixer_t *mixer);
+int snd_mixer_attach(snd_mixer_t *mixer, const char *name);
+int snd_mixer_attach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl);
+int snd_mixer_detach(snd_mixer_t *mixer, const char *name);
+int snd_mixer_detach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl);
+int snd_mixer_get_hctl(snd_mixer_t *mixer, const char *name, snd_hctl_t **hctl);
+int snd_mixer_poll_descriptors_count(snd_mixer_t *mixer);
+int snd_mixer_poll_descriptors(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int space);
+int snd_mixer_poll_descriptors_revents(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_mixer_load(snd_mixer_t *mixer);
+void snd_mixer_free(snd_mixer_t *mixer);
+int snd_mixer_wait(snd_mixer_t *mixer, int timeout);
+int snd_mixer_set_compare(snd_mixer_t *mixer, snd_mixer_compare_t msort);
+void snd_mixer_set_callback(snd_mixer_t *obj, snd_mixer_callback_t val);
+void * snd_mixer_get_callback_private(const snd_mixer_t *obj);
+void snd_mixer_set_callback_private(snd_mixer_t *obj, void * val);
+unsigned int snd_mixer_get_count(const snd_mixer_t *obj);
+int snd_mixer_class_unregister(snd_mixer_class_t *clss);
+
+snd_mixer_elem_t *snd_mixer_elem_next(snd_mixer_elem_t *elem);
+snd_mixer_elem_t *snd_mixer_elem_prev(snd_mixer_elem_t *elem);
+void snd_mixer_elem_set_callback(snd_mixer_elem_t *obj, snd_mixer_elem_callback_t val);
+void * snd_mixer_elem_get_callback_private(const snd_mixer_elem_t *obj);
+void snd_mixer_elem_set_callback_private(snd_mixer_elem_t *obj, void * val);
+snd_mixer_elem_type_t snd_mixer_elem_get_type(const snd_mixer_elem_t *obj);
+
+int snd_mixer_class_register(snd_mixer_class_t *class_, snd_mixer_t *mixer);
+int snd_mixer_elem_new(snd_mixer_elem_t **elem,
+ snd_mixer_elem_type_t type,
+ int compare_weight,
+ void *private_data,
+ void (*private_free)(snd_mixer_elem_t *elem));
+int snd_mixer_elem_add(snd_mixer_elem_t *elem, snd_mixer_class_t *class_);
+int snd_mixer_elem_remove(snd_mixer_elem_t *elem);
+void snd_mixer_elem_free(snd_mixer_elem_t *elem);
+int snd_mixer_elem_info(snd_mixer_elem_t *elem);
+int snd_mixer_elem_value(snd_mixer_elem_t *elem);
+int snd_mixer_elem_attach(snd_mixer_elem_t *melem, snd_hctl_elem_t *helem);
+int snd_mixer_elem_detach(snd_mixer_elem_t *melem, snd_hctl_elem_t *helem);
+int snd_mixer_elem_empty(snd_mixer_elem_t *melem);
+void *snd_mixer_elem_get_private(const snd_mixer_elem_t *melem);
+
+size_t snd_mixer_class_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_mixer_class_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_mixer_class_alloca(ptr) __snd_alloca(ptr, snd_mixer_class)
+int snd_mixer_class_malloc(snd_mixer_class_t **ptr);
+void snd_mixer_class_free(snd_mixer_class_t *obj);
+void snd_mixer_class_copy(snd_mixer_class_t *dst, const snd_mixer_class_t *src);
+snd_mixer_t *snd_mixer_class_get_mixer(const snd_mixer_class_t *class_);
+snd_mixer_event_t snd_mixer_class_get_event(const snd_mixer_class_t *class_);
+void *snd_mixer_class_get_private(const snd_mixer_class_t *class_);
+snd_mixer_compare_t snd_mixer_class_get_compare(const snd_mixer_class_t *class_);
+int snd_mixer_class_set_event(snd_mixer_class_t *class_, snd_mixer_event_t event);
+int snd_mixer_class_set_private(snd_mixer_class_t *class_, void *private_data);
+int snd_mixer_class_set_private_free(snd_mixer_class_t *class_, void (*private_free)(snd_mixer_class_t *));
+int snd_mixer_class_set_compare(snd_mixer_class_t *class_, snd_mixer_compare_t compare);
+
+/**
+ * \defgroup SimpleMixer Simple Mixer Interface
+ * \ingroup Mixer
+ * The simple mixer interface.
+ * \{
+ */
+
+/* Simple mixer elements API */
+
+/** Mixer simple element channel identifier */
+typedef enum _snd_mixer_selem_channel_id {
+ /** Unknown */
+ SND_MIXER_SCHN_UNKNOWN = -1,
+ /** Front left */
+ SND_MIXER_SCHN_FRONT_LEFT = 0,
+ /** Front right */
+ SND_MIXER_SCHN_FRONT_RIGHT,
+ /** Rear left */
+ SND_MIXER_SCHN_REAR_LEFT,
+ /** Rear right */
+ SND_MIXER_SCHN_REAR_RIGHT,
+ /** Front center */
+ SND_MIXER_SCHN_FRONT_CENTER,
+ /** Woofer */
+ SND_MIXER_SCHN_WOOFER,
+ /** Side Left */
+ SND_MIXER_SCHN_SIDE_LEFT,
+ /** Side Right */
+ SND_MIXER_SCHN_SIDE_RIGHT,
+ /** Rear Center */
+ SND_MIXER_SCHN_REAR_CENTER,
+ SND_MIXER_SCHN_LAST = 31,
+ /** Mono (Front left alias) */
+ SND_MIXER_SCHN_MONO = SND_MIXER_SCHN_FRONT_LEFT
+} snd_mixer_selem_channel_id_t;
+
+/** Mixer simple element - register options - abstraction level */
+enum snd_mixer_selem_regopt_abstract {
+ /** no abstraction - try use all universal controls from driver */
+ SND_MIXER_SABSTRACT_NONE = 0,
+ /** basic abstraction - Master,PCM,CD,Aux,Record-Gain etc. */
+ SND_MIXER_SABSTRACT_BASIC,
+};
+
+/** Mixer simple element - register options */
+struct snd_mixer_selem_regopt {
+ /** structure version */
+ int ver;
+ /** v1: abstract layer selection */
+ enum snd_mixer_selem_regopt_abstract abstract;
+ /** v1: device name (must be NULL when playback_pcm or capture_pcm != NULL) */
+ const char *device;
+ /** v1: playback PCM connected to mixer device (NULL == none) */
+ snd_pcm_t *playback_pcm;
+ /** v1: capture PCM connected to mixer device (NULL == none) */
+ snd_pcm_t *capture_pcm;
+};
+
+/** Mixer simple element identifier */
+typedef struct _snd_mixer_selem_id snd_mixer_selem_id_t;
+
+const char *snd_mixer_selem_channel_name(snd_mixer_selem_channel_id_t channel);
+
+int snd_mixer_selem_register(snd_mixer_t *mixer,
+ struct snd_mixer_selem_regopt *options,
+ snd_mixer_class_t **classp);
+void snd_mixer_selem_get_id(snd_mixer_elem_t *element,
+ snd_mixer_selem_id_t *id);
+const char *snd_mixer_selem_get_name(snd_mixer_elem_t *elem);
+unsigned int snd_mixer_selem_get_index(snd_mixer_elem_t *elem);
+snd_mixer_elem_t *snd_mixer_find_selem(snd_mixer_t *mixer,
+ const snd_mixer_selem_id_t *id);
+
+int snd_mixer_selem_is_active(snd_mixer_elem_t *elem);
+int snd_mixer_selem_is_playback_mono(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_playback_channel(snd_mixer_elem_t *obj, snd_mixer_selem_channel_id_t channel);
+int snd_mixer_selem_is_capture_mono(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_capture_channel(snd_mixer_elem_t *obj, snd_mixer_selem_channel_id_t channel);
+int snd_mixer_selem_get_capture_group(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_common_volume(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_playback_volume(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_playback_volume_joined(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_capture_volume(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_capture_volume_joined(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_common_switch(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_playback_switch(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_playback_switch_joined(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_capture_switch(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_capture_switch_joined(snd_mixer_elem_t *elem);
+int snd_mixer_selem_has_capture_switch_exclusive(snd_mixer_elem_t *elem);
+
+int snd_mixer_selem_ask_playback_vol_dB(snd_mixer_elem_t *elem, long value, long *dBvalue);
+int snd_mixer_selem_ask_capture_vol_dB(snd_mixer_elem_t *elem, long value, long *dBvalue);
+int snd_mixer_selem_ask_playback_dB_vol(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value);
+int snd_mixer_selem_ask_capture_dB_vol(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value);
+int snd_mixer_selem_get_playback_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value);
+int snd_mixer_selem_get_capture_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value);
+int snd_mixer_selem_get_playback_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value);
+int snd_mixer_selem_get_capture_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value);
+int snd_mixer_selem_get_playback_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value);
+int snd_mixer_selem_get_capture_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value);
+int snd_mixer_selem_set_playback_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value);
+int snd_mixer_selem_set_capture_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value);
+int snd_mixer_selem_set_playback_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir);
+int snd_mixer_selem_set_capture_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir);
+int snd_mixer_selem_set_playback_volume_all(snd_mixer_elem_t *elem, long value);
+int snd_mixer_selem_set_capture_volume_all(snd_mixer_elem_t *elem, long value);
+int snd_mixer_selem_set_playback_dB_all(snd_mixer_elem_t *elem, long value, int dir);
+int snd_mixer_selem_set_capture_dB_all(snd_mixer_elem_t *elem, long value, int dir);
+int snd_mixer_selem_set_playback_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value);
+int snd_mixer_selem_set_capture_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value);
+int snd_mixer_selem_set_playback_switch_all(snd_mixer_elem_t *elem, int value);
+int snd_mixer_selem_set_capture_switch_all(snd_mixer_elem_t *elem, int value);
+int snd_mixer_selem_get_playback_volume_range(snd_mixer_elem_t *elem,
+ long *min, long *max);
+int snd_mixer_selem_get_playback_dB_range(snd_mixer_elem_t *elem,
+ long *min, long *max);
+int snd_mixer_selem_set_playback_volume_range(snd_mixer_elem_t *elem,
+ long min, long max);
+int snd_mixer_selem_get_capture_volume_range(snd_mixer_elem_t *elem,
+ long *min, long *max);
+int snd_mixer_selem_get_capture_dB_range(snd_mixer_elem_t *elem,
+ long *min, long *max);
+int snd_mixer_selem_set_capture_volume_range(snd_mixer_elem_t *elem,
+ long min, long max);
+
+int snd_mixer_selem_is_enumerated(snd_mixer_elem_t *elem);
+int snd_mixer_selem_is_enum_playback(snd_mixer_elem_t *elem);
+int snd_mixer_selem_is_enum_capture(snd_mixer_elem_t *elem);
+int snd_mixer_selem_get_enum_items(snd_mixer_elem_t *elem);
+int snd_mixer_selem_get_enum_item_name(snd_mixer_elem_t *elem, unsigned int idx, size_t maxlen, char *str);
+int snd_mixer_selem_get_enum_item(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int *idxp);
+int snd_mixer_selem_set_enum_item(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int idx);
+
+size_t snd_mixer_selem_id_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_mixer_selem_id_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_mixer_selem_id_alloca(ptr) __snd_alloca(ptr, snd_mixer_selem_id)
+int snd_mixer_selem_id_malloc(snd_mixer_selem_id_t **ptr);
+void snd_mixer_selem_id_free(snd_mixer_selem_id_t *obj);
+void snd_mixer_selem_id_copy(snd_mixer_selem_id_t *dst, const snd_mixer_selem_id_t *src);
+const char *snd_mixer_selem_id_get_name(const snd_mixer_selem_id_t *obj);
+unsigned int snd_mixer_selem_id_get_index(const snd_mixer_selem_id_t *obj);
+void snd_mixer_selem_id_set_name(snd_mixer_selem_id_t *obj, const char *val);
+void snd_mixer_selem_id_set_index(snd_mixer_selem_id_t *obj, unsigned int val);
+
+/** \} */
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_MIXER_H */
+
diff --git a/include/mixer_abst.h b/include/mixer_abst.h
new file mode 100644
index 0000000..7844b19
--- /dev/null
+++ b/include/mixer_abst.h
@@ -0,0 +1,112 @@
+/**
+ * \file include/mixer_abst.h
+ * \brief Mixer abstract implementation interface library for the ALSA library
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2005
+ *
+ * Mixer abstact implementation interface library for the ALSA library
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_MIXER_ABST_H
+#define __ALSA_MIXER_ABST_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Mixer_Abstract Mixer Abstact Module Interface
+ * The mixer abstact module interface.
+ * \{
+ */
+
+#define SM_PLAY 0
+#define SM_CAPT 1
+
+#define SM_CAP_GVOLUME (1<<1)
+#define SM_CAP_GSWITCH (1<<2)
+#define SM_CAP_PVOLUME (1<<3)
+#define SM_CAP_PVOLUME_JOIN (1<<4)
+#define SM_CAP_PSWITCH (1<<5)
+#define SM_CAP_PSWITCH_JOIN (1<<6)
+#define SM_CAP_CVOLUME (1<<7)
+#define SM_CAP_CVOLUME_JOIN (1<<8)
+#define SM_CAP_CSWITCH (1<<9)
+#define SM_CAP_CSWITCH_JOIN (1<<10)
+#define SM_CAP_CSWITCH_EXCL (1<<11)
+#define SM_CAP_PENUM (1<<12)
+#define SM_CAP_CENUM (1<<13)
+/* SM_CAP_* 24-31 => private for module use */
+
+#define SM_OPS_IS_ACTIVE 0
+#define SM_OPS_IS_MONO 1
+#define SM_OPS_IS_CHANNEL 2
+#define SM_OPS_IS_ENUMERATED 3
+#define SM_OPS_IS_ENUMCNT 4
+
+#define sm_selem(x) ((sm_selem_t *)((x)->private_data))
+#define sm_selem_ops(x) ((sm_selem_t *)((x)->private_data))->ops
+
+typedef struct _sm_selem {
+ snd_mixer_selem_id_t *id;
+ struct sm_elem_ops *ops;
+ unsigned int caps;
+ unsigned int capture_group;
+} sm_selem_t;
+
+typedef struct _sm_class_basic {
+ char *device;
+ snd_ctl_t *ctl;
+ snd_hctl_t *hctl;
+ snd_ctl_card_info_t *info;
+} sm_class_basic_t;
+
+struct sm_elem_ops {
+ int (*is)(snd_mixer_elem_t *elem, int dir, int cmd, int val);
+ int (*get_range)(snd_mixer_elem_t *elem, int dir, long *min, long *max);
+ int (*set_range)(snd_mixer_elem_t *elem, int dir, long min, long max);
+ int (*get_dB_range)(snd_mixer_elem_t *elem, int dir, long *min, long *max);
+ int (*ask_vol_dB)(snd_mixer_elem_t *elem, int dir, long value, long *dbValue);
+ int (*ask_dB_vol)(snd_mixer_elem_t *elem, int dir, long dbValue, long *value, int xdir);
+ int (*get_volume)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long *value);
+ int (*get_dB)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long *value);
+ int (*set_volume)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long value);
+ int (*set_dB)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long value, int xdir);
+ int (*get_switch)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, int *value);
+ int (*set_switch)(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, int value);
+ int (*enum_item_name)(snd_mixer_elem_t *elem, unsigned int item, size_t maxlen, char *buf);
+ int (*get_enum_item)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int *itemp);
+ int (*set_enum_item)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, unsigned int item);
+};
+
+int snd_mixer_selem_compare(const snd_mixer_elem_t *c1, const snd_mixer_elem_t *c2);
+
+int snd_mixer_sbasic_info(const snd_mixer_class_t *class, sm_class_basic_t *info);
+void *snd_mixer_sbasic_get_private(const snd_mixer_class_t *class);
+void snd_mixer_sbasic_set_private(const snd_mixer_class_t *class, void *private_data);
+void snd_mixer_sbasic_set_private_free(const snd_mixer_class_t *class, void (*private_free)(snd_mixer_class_t *class));
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_MIXER_ABST_H */
+
diff --git a/include/output.h b/include/output.h
new file mode 100644
index 0000000..5279aa2
--- /dev/null
+++ b/include/output.h
@@ -0,0 +1,86 @@
+/**
+ * \file include/output.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_OUTPUT_H
+#define __ALSA_OUTPUT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Output Output Interface
+ *
+ * The output functions present an interface similar to the stdio functions
+ * on top of different underlying output destinations.
+ *
+ * Many PCM debugging functions (\c snd_pcm_xxx_dump_xxx) use such an output
+ * handle to be able to write not only to the screen but also to other
+ * destinations, e.g. to files or to memory buffers.
+ *
+ * \{
+ */
+
+/**
+ * \brief Internal structure for an output object.
+ *
+ * The ALSA library uses a pointer to this structure as a handle to an
+ * output object. Applications don't access its contents directly.
+ */
+typedef struct _snd_output snd_output_t;
+
+/** Output type. */
+typedef enum _snd_output_type {
+ /** Output to a stdio stream. */
+ SND_OUTPUT_STDIO,
+ /** Output to a memory buffer. */
+ SND_OUTPUT_BUFFER
+} snd_output_type_t;
+
+int snd_output_stdio_open(snd_output_t **outputp, const char *file, const char *mode);
+int snd_output_stdio_attach(snd_output_t **outputp, FILE *fp, int _close);
+int snd_output_buffer_open(snd_output_t **outputp);
+size_t snd_output_buffer_string(snd_output_t *output, char **buf);
+int snd_output_close(snd_output_t *output);
+int snd_output_printf(snd_output_t *output, const char *format, ...)
+#ifndef DOC_HIDDEN
+ __attribute__ ((format (printf, 2, 3)))
+#endif
+ ;
+int snd_output_vprintf(snd_output_t *output, const char *format, va_list args);
+int snd_output_puts(snd_output_t *output, const char *str);
+int snd_output_putc(snd_output_t *output, int c);
+int snd_output_flush(snd_output_t *output);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_OUTPUT_H */
+
diff --git a/include/pcm.h b/include/pcm.h
new file mode 100644
index 0000000..0655e7f
--- /dev/null
+++ b/include/pcm.h
@@ -0,0 +1,1282 @@
+/**
+ * \file include/pcm.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver.
+ * See the \ref pcm page for more details.
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_PCM_H
+#define __ALSA_PCM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup PCM PCM Interface
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** dlsym version for interface entry callback */
+#define SND_PCM_DLSYM_VERSION _dlsym_pcm_001
+
+/** PCM generic info container */
+typedef struct _snd_pcm_info snd_pcm_info_t;
+
+/** PCM hardware configuration space container
+ *
+ * snd_pcm_hw_params_t is an opaque structure which contains a set of possible
+ * PCM hardware configurations. For example, a given instance might include a
+ * range of buffer sizes, a range of period sizes, and a set of several sample
+ * formats. Some subset of all possible combinations these sets may be valid,
+ * but not necessarily any combination will be valid.
+ *
+ * When a parameter is set or restricted using a snd_pcm_hw_params_set*
+ * function, all of the other ranges will be updated to exclude as many
+ * impossible configurations as possible. Attempting to set a parameter
+ * outside of its acceptable range will result in the function failing
+ * and an error code being returned.
+ */
+typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t;
+
+/** PCM software configuration container */
+typedef struct _snd_pcm_sw_params snd_pcm_sw_params_t;
+/** PCM status container */
+ typedef struct _snd_pcm_status snd_pcm_status_t;
+/** PCM access types mask */
+typedef struct _snd_pcm_access_mask snd_pcm_access_mask_t;
+/** PCM formats mask */
+typedef struct _snd_pcm_format_mask snd_pcm_format_mask_t;
+/** PCM subformats mask */
+typedef struct _snd_pcm_subformat_mask snd_pcm_subformat_mask_t;
+
+/** PCM class */
+typedef enum _snd_pcm_class {
+ /** standard device */
+
+ SND_PCM_CLASS_GENERIC = 0,
+ /** multichannel device */
+ SND_PCM_CLASS_MULTI,
+ /** software modem device */
+ SND_PCM_CLASS_MODEM,
+ /** digitizer device */
+ SND_PCM_CLASS_DIGITIZER,
+ SND_PCM_CLASS_LAST = SND_PCM_CLASS_DIGITIZER
+} snd_pcm_class_t;
+
+/** PCM subclass */
+typedef enum _snd_pcm_subclass {
+ /** subdevices are mixed together */
+ SND_PCM_SUBCLASS_GENERIC_MIX = 0,
+ /** multichannel subdevices are mixed together */
+ SND_PCM_SUBCLASS_MULTI_MIX,
+ SND_PCM_SUBCLASS_LAST = SND_PCM_SUBCLASS_MULTI_MIX
+} snd_pcm_subclass_t;
+
+/** PCM stream (direction) */
+typedef enum _snd_pcm_stream {
+ /** Playback stream */
+ SND_PCM_STREAM_PLAYBACK = 0,
+ /** Capture stream */
+ SND_PCM_STREAM_CAPTURE,
+ SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE
+} snd_pcm_stream_t;
+
+/** PCM access type */
+typedef enum _snd_pcm_access {
+ /** mmap access with simple interleaved channels */
+ SND_PCM_ACCESS_MMAP_INTERLEAVED = 0,
+ /** mmap access with simple non interleaved channels */
+ SND_PCM_ACCESS_MMAP_NONINTERLEAVED,
+ /** mmap access with complex placement */
+ SND_PCM_ACCESS_MMAP_COMPLEX,
+ /** snd_pcm_readi/snd_pcm_writei access */
+ SND_PCM_ACCESS_RW_INTERLEAVED,
+ /** snd_pcm_readn/snd_pcm_writen access */
+ SND_PCM_ACCESS_RW_NONINTERLEAVED,
+ SND_PCM_ACCESS_LAST = SND_PCM_ACCESS_RW_NONINTERLEAVED
+} snd_pcm_access_t;
+
+/** PCM sample format */
+typedef enum _snd_pcm_format {
+ /** Unknown */
+ SND_PCM_FORMAT_UNKNOWN = -1,
+ /** Signed 8 bit */
+ SND_PCM_FORMAT_S8 = 0,
+ /** Unsigned 8 bit */
+ SND_PCM_FORMAT_U8,
+ /** Signed 16 bit Little Endian */
+ SND_PCM_FORMAT_S16_LE,
+ /** Signed 16 bit Big Endian */
+ SND_PCM_FORMAT_S16_BE,
+ /** Unsigned 16 bit Little Endian */
+ SND_PCM_FORMAT_U16_LE,
+ /** Unsigned 16 bit Big Endian */
+ SND_PCM_FORMAT_U16_BE,
+ /** Signed 24 bit Little Endian using low three bytes in 32-bit word */
+ SND_PCM_FORMAT_S24_LE,
+ /** Signed 24 bit Big Endian using low three bytes in 32-bit word */
+ SND_PCM_FORMAT_S24_BE,
+ /** Unsigned 24 bit Little Endian using low three bytes in 32-bit word */
+ SND_PCM_FORMAT_U24_LE,
+ /** Unsigned 24 bit Big Endian using low three bytes in 32-bit word */
+ SND_PCM_FORMAT_U24_BE,
+ /** Signed 32 bit Little Endian */
+ SND_PCM_FORMAT_S32_LE,
+ /** Signed 32 bit Big Endian */
+ SND_PCM_FORMAT_S32_BE,
+ /** Unsigned 32 bit Little Endian */
+ SND_PCM_FORMAT_U32_LE,
+ /** Unsigned 32 bit Big Endian */
+ SND_PCM_FORMAT_U32_BE,
+ /** Float 32 bit Little Endian, Range -1.0 to 1.0 */
+ SND_PCM_FORMAT_FLOAT_LE,
+ /** Float 32 bit Big Endian, Range -1.0 to 1.0 */
+ SND_PCM_FORMAT_FLOAT_BE,
+ /** Float 64 bit Little Endian, Range -1.0 to 1.0 */
+ SND_PCM_FORMAT_FLOAT64_LE,
+ /** Float 64 bit Big Endian, Range -1.0 to 1.0 */
+ SND_PCM_FORMAT_FLOAT64_BE,
+ /** IEC-958 Little Endian */
+ SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
+ /** IEC-958 Big Endian */
+ SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
+ /** Mu-Law */
+ SND_PCM_FORMAT_MU_LAW,
+ /** A-Law */
+ SND_PCM_FORMAT_A_LAW,
+ /** Ima-ADPCM */
+ SND_PCM_FORMAT_IMA_ADPCM,
+ /** MPEG */
+ SND_PCM_FORMAT_MPEG,
+ /** GSM */
+ SND_PCM_FORMAT_GSM,
+ /** Special */
+ SND_PCM_FORMAT_SPECIAL = 31,
+ /** Signed 24bit Little Endian in 3bytes format */
+ SND_PCM_FORMAT_S24_3LE = 32,
+ /** Signed 24bit Big Endian in 3bytes format */
+ SND_PCM_FORMAT_S24_3BE,
+ /** Unsigned 24bit Little Endian in 3bytes format */
+ SND_PCM_FORMAT_U24_3LE,
+ /** Unsigned 24bit Big Endian in 3bytes format */
+ SND_PCM_FORMAT_U24_3BE,
+ /** Signed 20bit Little Endian in 3bytes format */
+ SND_PCM_FORMAT_S20_3LE,
+ /** Signed 20bit Big Endian in 3bytes format */
+ SND_PCM_FORMAT_S20_3BE,
+ /** Unsigned 20bit Little Endian in 3bytes format */
+ SND_PCM_FORMAT_U20_3LE,
+ /** Unsigned 20bit Big Endian in 3bytes format */
+ SND_PCM_FORMAT_U20_3BE,
+ /** Signed 18bit Little Endian in 3bytes format */
+ SND_PCM_FORMAT_S18_3LE,
+ /** Signed 18bit Big Endian in 3bytes format */
+ SND_PCM_FORMAT_S18_3BE,
+ /** Unsigned 18bit Little Endian in 3bytes format */
+ SND_PCM_FORMAT_U18_3LE,
+ /** Unsigned 18bit Big Endian in 3bytes format */
+ SND_PCM_FORMAT_U18_3BE,
+ /* G.723 (ADPCM) 24 kbit/s, 8 samples in 3 bytes */
+ SND_PCM_FORMAT_G723_24,
+ /* G.723 (ADPCM) 24 kbit/s, 1 sample in 1 byte */
+ SND_PCM_FORMAT_G723_24_1B,
+ /* G.723 (ADPCM) 40 kbit/s, 8 samples in 3 bytes */
+ SND_PCM_FORMAT_G723_40,
+ /* G.723 (ADPCM) 40 kbit/s, 1 sample in 1 byte */
+ SND_PCM_FORMAT_G723_40_1B,
+ /* Direct Stream Digital (DSD) in 1-byte samples (x8) */
+ SND_PCM_FORMAT_DSD_U8,
+ /* Direct Stream Digital (DSD) in 2-byte samples (x16) */
+ SND_PCM_FORMAT_DSD_U16_LE,
+ /* Direct Stream Digital (DSD) in 4-byte samples (x32) */
+ SND_PCM_FORMAT_DSD_U32_LE,
+ /* Direct Stream Digital (DSD) in 2-byte samples (x16) */
+ SND_PCM_FORMAT_DSD_U16_BE,
+ /* Direct Stream Digital (DSD) in 4-byte samples (x32) */
+ SND_PCM_FORMAT_DSD_U32_BE,
+ SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_DSD_U32_BE,
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ /** Signed 16 bit CPU endian */
+ SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_LE,
+ /** Unsigned 16 bit CPU endian */
+ SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_LE,
+ /** Signed 24 bit CPU endian */
+ SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_LE,
+ /** Unsigned 24 bit CPU endian */
+ SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_LE,
+ /** Signed 32 bit CPU endian */
+ SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_LE,
+ /** Unsigned 32 bit CPU endian */
+ SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_LE,
+ /** Float 32 bit CPU endian */
+ SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE,
+ /** Float 64 bit CPU endian */
+ SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_LE,
+ /** IEC-958 CPU Endian */
+ SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_LE
+#elif __BYTE_ORDER == __BIG_ENDIAN
+ /** Signed 16 bit CPU endian */
+ SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_BE,
+ /** Unsigned 16 bit CPU endian */
+ SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_BE,
+ /** Signed 24 bit CPU endian */
+ SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_BE,
+ /** Unsigned 24 bit CPU endian */
+ SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_BE,
+ /** Signed 32 bit CPU endian */
+ SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_BE,
+ /** Unsigned 32 bit CPU endian */
+ SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_BE,
+ /** Float 32 bit CPU endian */
+ SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_BE,
+ /** Float 64 bit CPU endian */
+ SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_BE,
+ /** IEC-958 CPU Endian */
+ SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_BE
+#else
+#error "Unknown endian"
+#endif
+} snd_pcm_format_t;
+
+/** PCM sample subformat */
+typedef enum _snd_pcm_subformat {
+ /** Standard */
+ SND_PCM_SUBFORMAT_STD = 0,
+ SND_PCM_SUBFORMAT_LAST = SND_PCM_SUBFORMAT_STD
+} snd_pcm_subformat_t;
+
+/** PCM state */
+typedef enum _snd_pcm_state {
+ /** Open */
+ SND_PCM_STATE_OPEN = 0,
+ /** Setup installed */
+ SND_PCM_STATE_SETUP,
+ /** Ready to start */
+ SND_PCM_STATE_PREPARED,
+ /** Running */
+ SND_PCM_STATE_RUNNING,
+ /** Stopped: underrun (playback) or overrun (capture) detected */
+ SND_PCM_STATE_XRUN,
+ /** Draining: running (playback) or stopped (capture) */
+ SND_PCM_STATE_DRAINING,
+ /** Paused */
+ SND_PCM_STATE_PAUSED,
+ /** Hardware is suspended */
+ SND_PCM_STATE_SUSPENDED,
+ /** Hardware is disconnected */
+ SND_PCM_STATE_DISCONNECTED,
+ SND_PCM_STATE_LAST = SND_PCM_STATE_DISCONNECTED
+} snd_pcm_state_t;
+
+/** PCM start mode */
+typedef enum _snd_pcm_start {
+ /** Automatic start on data read/write */
+ SND_PCM_START_DATA = 0,
+ /** Explicit start */
+ SND_PCM_START_EXPLICIT,
+ SND_PCM_START_LAST = SND_PCM_START_EXPLICIT
+} snd_pcm_start_t;
+
+/** PCM xrun mode */
+typedef enum _snd_pcm_xrun {
+ /** Xrun detection disabled */
+ SND_PCM_XRUN_NONE = 0,
+ /** Stop on xrun detection */
+ SND_PCM_XRUN_STOP,
+ SND_PCM_XRUN_LAST = SND_PCM_XRUN_STOP
+} snd_pcm_xrun_t;
+
+/** PCM timestamp mode */
+typedef enum _snd_pcm_tstamp {
+ /** No timestamp */
+ SND_PCM_TSTAMP_NONE = 0,
+ /** Update timestamp at every hardware position update */
+ SND_PCM_TSTAMP_ENABLE,
+ /** Equivalent with #SND_PCM_TSTAMP_ENABLE,
+ * just for compatibility with older versions
+ */
+ SND_PCM_TSTAMP_MMAP = SND_PCM_TSTAMP_ENABLE,
+ SND_PCM_TSTAMP_LAST = SND_PCM_TSTAMP_ENABLE
+} snd_pcm_tstamp_t;
+
+typedef enum _snd_pcm_tstamp_type {
+ SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /** gettimeofday equivalent */
+ SND_PCM_TSTAMP_TYPE_MONOTONIC, /** posix_clock_monotonic equivalent */
+ SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /** monotonic_raw (no NTP) */
+ SND_PCM_TSTAMP_TYPE_LAST = SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
+} snd_pcm_tstamp_type_t;
+
+/** Unsigned frames quantity */
+typedef unsigned long snd_pcm_uframes_t;
+/** Signed frames quantity */
+typedef long snd_pcm_sframes_t;
+
+/** Non blocking mode (flag for open mode) \hideinitializer */
+#define SND_PCM_NONBLOCK 0x00000001
+/** Async notification (flag for open mode) \hideinitializer */
+#define SND_PCM_ASYNC 0x00000002
+/** In an abort state (internal, not allowed for open) */
+#define SND_PCM_ABORT 0x00008000
+/** Disable automatic (but not forced!) rate resamplinig */
+#define SND_PCM_NO_AUTO_RESAMPLE 0x00010000
+/** Disable automatic (but not forced!) channel conversion */
+#define SND_PCM_NO_AUTO_CHANNELS 0x00020000
+/** Disable automatic (but not forced!) format conversion */
+#define SND_PCM_NO_AUTO_FORMAT 0x00040000
+/** Disable soft volume control */
+#define SND_PCM_NO_SOFTVOL 0x00080000
+
+/** PCM handle */
+typedef struct _snd_pcm snd_pcm_t;
+
+/** PCM type */
+enum _snd_pcm_type {
+ /** Kernel level PCM */
+ SND_PCM_TYPE_HW = 0,
+ /** Hooked PCM */
+ SND_PCM_TYPE_HOOKS,
+ /** One or more linked PCM with exclusive access to selected
+ channels */
+ SND_PCM_TYPE_MULTI,
+ /** File writing plugin */
+ SND_PCM_TYPE_FILE,
+ /** Null endpoint PCM */
+ SND_PCM_TYPE_NULL,
+ /** Shared memory client PCM */
+ SND_PCM_TYPE_SHM,
+ /** INET client PCM (not yet implemented) */
+ SND_PCM_TYPE_INET,
+ /** Copying plugin */
+ SND_PCM_TYPE_COPY,
+ /** Linear format conversion PCM */
+ SND_PCM_TYPE_LINEAR,
+ /** A-Law format conversion PCM */
+ SND_PCM_TYPE_ALAW,
+ /** Mu-Law format conversion PCM */
+ SND_PCM_TYPE_MULAW,
+ /** IMA-ADPCM format conversion PCM */
+ SND_PCM_TYPE_ADPCM,
+ /** Rate conversion PCM */
+ SND_PCM_TYPE_RATE,
+ /** Attenuated static route PCM */
+ SND_PCM_TYPE_ROUTE,
+ /** Format adjusted PCM */
+ SND_PCM_TYPE_PLUG,
+ /** Sharing PCM */
+ SND_PCM_TYPE_SHARE,
+ /** Meter plugin */
+ SND_PCM_TYPE_METER,
+ /** Mixing PCM */
+ SND_PCM_TYPE_MIX,
+ /** Attenuated dynamic route PCM (not yet implemented) */
+ SND_PCM_TYPE_DROUTE,
+ /** Loopback server plugin (not yet implemented) */
+ SND_PCM_TYPE_LBSERVER,
+ /** Linear Integer <-> Linear Float format conversion PCM */
+ SND_PCM_TYPE_LINEAR_FLOAT,
+ /** LADSPA integration plugin */
+ SND_PCM_TYPE_LADSPA,
+ /** Direct Mixing plugin */
+ SND_PCM_TYPE_DMIX,
+ /** Jack Audio Connection Kit plugin */
+ SND_PCM_TYPE_JACK,
+ /** Direct Snooping plugin */
+ SND_PCM_TYPE_DSNOOP,
+ /** Direct Sharing plugin */
+ SND_PCM_TYPE_DSHARE,
+ /** IEC958 subframe plugin */
+ SND_PCM_TYPE_IEC958,
+ /** Soft volume plugin */
+ SND_PCM_TYPE_SOFTVOL,
+ /** External I/O plugin */
+ SND_PCM_TYPE_IOPLUG,
+ /** External filter plugin */
+ SND_PCM_TYPE_EXTPLUG,
+ /** Mmap-emulation plugin */
+ SND_PCM_TYPE_MMAP_EMUL,
+ SND_PCM_TYPE_LAST = SND_PCM_TYPE_MMAP_EMUL
+};
+
+/** PCM type */
+typedef enum _snd_pcm_type snd_pcm_type_t;
+
+/** PCM area specification */
+typedef struct _snd_pcm_channel_area {
+ /** base address of channel samples */
+ void *addr;
+ /** offset to first sample in bits */
+ unsigned int first;
+ /** samples distance in bits */
+ unsigned int step;
+} snd_pcm_channel_area_t;
+
+/** PCM synchronization ID */
+typedef union _snd_pcm_sync_id {
+ /** 8-bit ID */
+ unsigned char id[16];
+ /** 16-bit ID */
+ unsigned short id16[8];
+ /** 32-bit ID */
+ unsigned int id32[4];
+} snd_pcm_sync_id_t;
+
+/** #SND_PCM_TYPE_METER scope handle */
+typedef struct _snd_pcm_scope snd_pcm_scope_t;
+
+int snd_pcm_open(snd_pcm_t **pcm, const char *name,
+ snd_pcm_stream_t stream, int mode);
+int snd_pcm_open_lconf(snd_pcm_t **pcm, const char *name,
+ snd_pcm_stream_t stream, int mode,
+ snd_config_t *lconf);
+int snd_pcm_open_fallback(snd_pcm_t **pcm, snd_config_t *root,
+ const char *name, const char *orig_name,
+ snd_pcm_stream_t stream, int mode);
+
+int snd_pcm_close(snd_pcm_t *pcm);
+const char *snd_pcm_name(snd_pcm_t *pcm);
+snd_pcm_type_t snd_pcm_type(snd_pcm_t *pcm);
+snd_pcm_stream_t snd_pcm_stream(snd_pcm_t *pcm);
+int snd_pcm_poll_descriptors_count(snd_pcm_t *pcm);
+int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
+int snd_pcm_poll_descriptors_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock);
+static __inline__ int snd_pcm_abort(snd_pcm_t *pcm) { return snd_pcm_nonblock(pcm, 2); }
+int snd_async_add_pcm_handler(snd_async_handler_t **handler, snd_pcm_t *pcm,
+ snd_async_callback_t callback, void *private_data);
+snd_pcm_t *snd_async_handler_get_pcm(snd_async_handler_t *handler);
+int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info);
+int snd_pcm_hw_params_current(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_free(snd_pcm_t *pcm);
+int snd_pcm_sw_params_current(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
+int snd_pcm_prepare(snd_pcm_t *pcm);
+int snd_pcm_reset(snd_pcm_t *pcm);
+int snd_pcm_status(snd_pcm_t *pcm, snd_pcm_status_t *status);
+int snd_pcm_start(snd_pcm_t *pcm);
+int snd_pcm_drop(snd_pcm_t *pcm);
+int snd_pcm_drain(snd_pcm_t *pcm);
+int snd_pcm_pause(snd_pcm_t *pcm, int enable);
+snd_pcm_state_t snd_pcm_state(snd_pcm_t *pcm);
+int snd_pcm_hwsync(snd_pcm_t *pcm);
+int snd_pcm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
+int snd_pcm_resume(snd_pcm_t *pcm);
+int snd_pcm_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail, snd_htimestamp_t *tstamp);
+snd_pcm_sframes_t snd_pcm_avail(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm);
+int snd_pcm_avail_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *availp, snd_pcm_sframes_t *delayp);
+snd_pcm_sframes_t snd_pcm_rewindable(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_forwardable(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+int snd_pcm_wait(snd_pcm_t *pcm, int timeout);
+
+int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
+int snd_pcm_unlink(snd_pcm_t *pcm);
+
+/** channel mapping API version number */
+#define SND_CHMAP_API_VERSION ((1 << 16) | (0 << 8) | 1)
+
+/** channel map list type */
+enum snd_pcm_chmap_type {
+ SND_CHMAP_TYPE_NONE = 0,/** unspecified channel position */
+ SND_CHMAP_TYPE_FIXED, /** fixed channel position */
+ SND_CHMAP_TYPE_VAR, /** freely swappable channel position */
+ SND_CHMAP_TYPE_PAIRED, /** pair-wise swappable channel position */
+ SND_CHMAP_TYPE_LAST = SND_CHMAP_TYPE_PAIRED, /** last entry */
+};
+
+/** channel positions */
+enum snd_pcm_chmap_position {
+ SND_CHMAP_UNKNOWN = 0, /**< unspecified */
+ SND_CHMAP_NA, /**< N/A, silent */
+ SND_CHMAP_MONO, /**< mono stream */
+ SND_CHMAP_FL, /**< front left */
+ SND_CHMAP_FR, /**< front right */
+ SND_CHMAP_RL, /**< rear left */
+ SND_CHMAP_RR, /**< rear right */
+ SND_CHMAP_FC, /**< front center */
+ SND_CHMAP_LFE, /**< LFE */
+ SND_CHMAP_SL, /**< side left */
+ SND_CHMAP_SR, /**< side right */
+ SND_CHMAP_RC, /**< rear center */
+ SND_CHMAP_FLC, /**< front left center */
+ SND_CHMAP_FRC, /**< front right center */
+ SND_CHMAP_RLC, /**< rear left center */
+ SND_CHMAP_RRC, /**< rear right center */
+ SND_CHMAP_FLW, /**< front left wide */
+ SND_CHMAP_FRW, /**< front right wide */
+ SND_CHMAP_FLH, /**< front left high */
+ SND_CHMAP_FCH, /**< front center high */
+ SND_CHMAP_FRH, /**< front right high */
+ SND_CHMAP_TC, /**< top center */
+ SND_CHMAP_TFL, /**< top front left */
+ SND_CHMAP_TFR, /**< top front right */
+ SND_CHMAP_TFC, /**< top front center */
+ SND_CHMAP_TRL, /**< top rear left */
+ SND_CHMAP_TRR, /**< top rear right */
+ SND_CHMAP_TRC, /**< top rear center */
+ SND_CHMAP_TFLC, /**< top front left center */
+ SND_CHMAP_TFRC, /**< top front right center */
+ SND_CHMAP_TSL, /**< top side left */
+ SND_CHMAP_TSR, /**< top side right */
+ SND_CHMAP_LLFE, /**< left LFE */
+ SND_CHMAP_RLFE, /**< right LFE */
+ SND_CHMAP_BC, /**< bottom center */
+ SND_CHMAP_BLC, /**< bottom left center */
+ SND_CHMAP_BRC, /**< bottom right center */
+ SND_CHMAP_LAST = SND_CHMAP_BRC,
+};
+
+/** bitmask for channel position */
+#define SND_CHMAP_POSITION_MASK 0xffff
+
+/** bit flag indicating the channel is phase inverted */
+#define SND_CHMAP_PHASE_INVERSE (0x01 << 16)
+/** bit flag indicating the non-standard channel value */
+#define SND_CHMAP_DRIVER_SPEC (0x02 << 16)
+
+/** the channel map header */
+typedef struct snd_pcm_chmap {
+ unsigned int channels; /**< number of channels */
+ unsigned int pos[0]; /**< channel position array */
+} snd_pcm_chmap_t;
+
+/** the header of array items returned from snd_pcm_query_chmaps() */
+typedef struct snd_pcm_chmap_query {
+ enum snd_pcm_chmap_type type; /**< channel map type */
+ snd_pcm_chmap_t map; /**< available channel map */
+} snd_pcm_chmap_query_t;
+
+
+snd_pcm_chmap_query_t **snd_pcm_query_chmaps(snd_pcm_t *pcm);
+snd_pcm_chmap_query_t **snd_pcm_query_chmaps_from_hw(int card, int dev,
+ int subdev,
+ snd_pcm_stream_t stream);
+void snd_pcm_free_chmaps(snd_pcm_chmap_query_t **maps);
+snd_pcm_chmap_t *snd_pcm_get_chmap(snd_pcm_t *pcm);
+int snd_pcm_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
+
+const char *snd_pcm_chmap_type_name(enum snd_pcm_chmap_type val);
+const char *snd_pcm_chmap_name(enum snd_pcm_chmap_position val);
+const char *snd_pcm_chmap_long_name(enum snd_pcm_chmap_position val);
+int snd_pcm_chmap_print(const snd_pcm_chmap_t *map, size_t maxlen, char *buf);
+unsigned int snd_pcm_chmap_from_string(const char *str);
+snd_pcm_chmap_t *snd_pcm_chmap_parse_string(const char *str);
+
+//int snd_pcm_mixer_element(snd_pcm_t *pcm, snd_mixer_t *mixer, snd_mixer_elem_t **elem);
+
+/*
+ * application helpers - these functions are implemented on top
+ * of the basic API
+ */
+
+int snd_pcm_recover(snd_pcm_t *pcm, int err, int silent);
+int snd_pcm_set_params(snd_pcm_t *pcm,
+ snd_pcm_format_t format,
+ snd_pcm_access_t access,
+ unsigned int channels,
+ unsigned int rate,
+ int soft_resample,
+ unsigned int latency);
+int snd_pcm_get_params(snd_pcm_t *pcm,
+ snd_pcm_uframes_t *buffer_size,
+ snd_pcm_uframes_t *period_size);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Info Stream Information
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_info_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_info_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_info_alloca(ptr) __snd_alloca(ptr, snd_pcm_info)
+int snd_pcm_info_malloc(snd_pcm_info_t **ptr);
+void snd_pcm_info_free(snd_pcm_info_t *obj);
+void snd_pcm_info_copy(snd_pcm_info_t *dst, const snd_pcm_info_t *src);
+unsigned int snd_pcm_info_get_device(const snd_pcm_info_t *obj);
+unsigned int snd_pcm_info_get_subdevice(const snd_pcm_info_t *obj);
+snd_pcm_stream_t snd_pcm_info_get_stream(const snd_pcm_info_t *obj);
+int snd_pcm_info_get_card(const snd_pcm_info_t *obj);
+const char *snd_pcm_info_get_id(const snd_pcm_info_t *obj);
+const char *snd_pcm_info_get_name(const snd_pcm_info_t *obj);
+const char *snd_pcm_info_get_subdevice_name(const snd_pcm_info_t *obj);
+snd_pcm_class_t snd_pcm_info_get_class(const snd_pcm_info_t *obj);
+snd_pcm_subclass_t snd_pcm_info_get_subclass(const snd_pcm_info_t *obj);
+unsigned int snd_pcm_info_get_subdevices_count(const snd_pcm_info_t *obj);
+unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj);
+snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj);
+void snd_pcm_info_set_device(snd_pcm_info_t *obj, unsigned int val);
+void snd_pcm_info_set_subdevice(snd_pcm_info_t *obj, unsigned int val);
+void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_HW_Params Hardware Parameters
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int snd_pcm_hw_params_can_mmap_sample_resolution(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_double(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_batch(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_block_transfer(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_monotonic(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_overrange(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_pause(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_resume(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_half_duplex(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_joint_duplex(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_sync_start(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_disable_period_wakeup(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_supports_audio_wallclock_ts(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params,
+ unsigned int *rate_num,
+ unsigned int *rate_den);
+int snd_pcm_hw_params_get_sbits(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_get_fifo_size(const snd_pcm_hw_params_t *params);
+
+#if 0
+typedef struct _snd_pcm_hw_strategy snd_pcm_hw_strategy_t;
+
+/* choices need to be sorted on ascending badness */
+typedef struct _snd_pcm_hw_strategy_simple_choices_list {
+ unsigned int value;
+ unsigned int badness;
+} snd_pcm_hw_strategy_simple_choices_list_t;
+
+int snd_pcm_hw_params_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_strategy_t *strategy,
+ unsigned int badness_min,
+ unsigned int badness_max);
+
+void snd_pcm_hw_strategy_free(snd_pcm_hw_strategy_t *strategy);
+int snd_pcm_hw_strategy_simple(snd_pcm_hw_strategy_t **strategyp,
+ unsigned int badness_min,
+ unsigned int badness_max);
+int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *fail,
+ snd_pcm_hw_params_t *success,
+ unsigned int depth,
+ snd_output_t *out);
+
+#endif
+
+size_t snd_pcm_hw_params_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_hw_params_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_hw_params_alloca(ptr) __snd_alloca(ptr, snd_pcm_hw_params)
+int snd_pcm_hw_params_malloc(snd_pcm_hw_params_t **ptr);
+void snd_pcm_hw_params_free(snd_pcm_hw_params_t *obj);
+void snd_pcm_hw_params_copy(snd_pcm_hw_params_t *dst, const snd_pcm_hw_params_t *src);
+
+#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_HW_PARAMS_API)
+
+int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
+int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
+int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
+int snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
+int snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
+int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+int snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+
+int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params, snd_pcm_format_t *val);
+int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+int snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
+int snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
+int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+
+int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
+int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
+int snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+
+int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max);
+int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+
+int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_get_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_get_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_get_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+
+int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+int snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir);
+int snd_pcm_hw_params_set_period_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+int snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max);
+int snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+
+#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_HW_PARAMS_API */
+
+int snd_pcm_hw_params_get_min_align(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_SW_Params Software Parameters
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_sw_params_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_sw_params_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_sw_params_alloca(ptr) __snd_alloca(ptr, snd_pcm_sw_params)
+int snd_pcm_sw_params_malloc(snd_pcm_sw_params_t **ptr);
+void snd_pcm_sw_params_free(snd_pcm_sw_params_t *obj);
+void snd_pcm_sw_params_copy(snd_pcm_sw_params_t *dst, const snd_pcm_sw_params_t *src);
+int snd_pcm_sw_params_get_boundary(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+
+#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_SW_PARAMS_API)
+
+int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val);
+int snd_pcm_sw_params_get_tstamp_mode(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val);
+int snd_pcm_sw_params_set_tstamp_type(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t val);
+int snd_pcm_sw_params_get_tstamp_type(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t *val);
+int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_avail_min(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_period_event(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, int val);
+int snd_pcm_sw_params_get_period_event(const snd_pcm_sw_params_t *params, int *val);
+int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_start_threshold(const snd_pcm_sw_params_t *paramsm, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_stop_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_silence_size(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+
+#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_SW_PARAMS_API */
+
+/** \} */
+
+/* include old API */
+#ifndef ALSA_LIBRARY_BUILD
+#if defined(ALSA_PCM_OLD_HW_PARAMS_API) || defined(ALSA_PCM_OLD_SW_PARAMS_API)
+#include "pcm_old.h"
+#endif
+#endif
+
+/**
+ * \defgroup PCM_Access Access Mask Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_access_mask_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an empty #snd_pcm_access_mask_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_access_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_access_mask)
+int snd_pcm_access_mask_malloc(snd_pcm_access_mask_t **ptr);
+void snd_pcm_access_mask_free(snd_pcm_access_mask_t *obj);
+void snd_pcm_access_mask_copy(snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src);
+void snd_pcm_access_mask_none(snd_pcm_access_mask_t *mask);
+void snd_pcm_access_mask_any(snd_pcm_access_mask_t *mask);
+int snd_pcm_access_mask_test(const snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
+int snd_pcm_access_mask_empty(const snd_pcm_access_mask_t *mask);
+void snd_pcm_access_mask_set(snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
+void snd_pcm_access_mask_reset(snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Format Format Mask Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_format_mask_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an empty #snd_pcm_format_mask_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_format_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_format_mask)
+int snd_pcm_format_mask_malloc(snd_pcm_format_mask_t **ptr);
+void snd_pcm_format_mask_free(snd_pcm_format_mask_t *obj);
+void snd_pcm_format_mask_copy(snd_pcm_format_mask_t *dst, const snd_pcm_format_mask_t *src);
+void snd_pcm_format_mask_none(snd_pcm_format_mask_t *mask);
+void snd_pcm_format_mask_any(snd_pcm_format_mask_t *mask);
+int snd_pcm_format_mask_test(const snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
+int snd_pcm_format_mask_empty(const snd_pcm_format_mask_t *mask);
+void snd_pcm_format_mask_set(snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
+void snd_pcm_format_mask_reset(snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_SubFormat Subformat Mask Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_subformat_mask_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an empty #snd_pcm_subformat_mask_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_subformat_mask_alloca(ptr) __snd_alloca(ptr, snd_pcm_subformat_mask)
+int snd_pcm_subformat_mask_malloc(snd_pcm_subformat_mask_t **ptr);
+void snd_pcm_subformat_mask_free(snd_pcm_subformat_mask_t *obj);
+void snd_pcm_subformat_mask_copy(snd_pcm_subformat_mask_t *dst, const snd_pcm_subformat_mask_t *src);
+void snd_pcm_subformat_mask_none(snd_pcm_subformat_mask_t *mask);
+void snd_pcm_subformat_mask_any(snd_pcm_subformat_mask_t *mask);
+int snd_pcm_subformat_mask_test(const snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
+int snd_pcm_subformat_mask_empty(const snd_pcm_subformat_mask_t *mask);
+void snd_pcm_subformat_mask_set(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
+void snd_pcm_subformat_mask_reset(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Status Status Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_status_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_status_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_status_alloca(ptr) __snd_alloca(ptr, snd_pcm_status)
+int snd_pcm_status_malloc(snd_pcm_status_t **ptr);
+void snd_pcm_status_free(snd_pcm_status_t *obj);
+void snd_pcm_status_copy(snd_pcm_status_t *dst, const snd_pcm_status_t *src);
+snd_pcm_state_t snd_pcm_status_get_state(const snd_pcm_status_t *obj);
+void snd_pcm_status_get_trigger_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr);
+void snd_pcm_status_get_trigger_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
+void snd_pcm_status_get_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr);
+void snd_pcm_status_get_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
+void snd_pcm_status_get_audio_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
+snd_pcm_sframes_t snd_pcm_status_get_delay(const snd_pcm_status_t *obj);
+snd_pcm_uframes_t snd_pcm_status_get_avail(const snd_pcm_status_t *obj);
+snd_pcm_uframes_t snd_pcm_status_get_avail_max(const snd_pcm_status_t *obj);
+snd_pcm_uframes_t snd_pcm_status_get_overrange(const snd_pcm_status_t *obj);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Description Description Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+const char *snd_pcm_type_name(snd_pcm_type_t type);
+const char *snd_pcm_stream_name(const snd_pcm_stream_t stream);
+const char *snd_pcm_access_name(const snd_pcm_access_t _access);
+const char *snd_pcm_format_name(const snd_pcm_format_t format);
+const char *snd_pcm_format_description(const snd_pcm_format_t format);
+const char *snd_pcm_subformat_name(const snd_pcm_subformat_t subformat);
+const char *snd_pcm_subformat_description(const snd_pcm_subformat_t subformat);
+snd_pcm_format_t snd_pcm_format_value(const char* name);
+const char *snd_pcm_tstamp_mode_name(const snd_pcm_tstamp_t mode);
+const char *snd_pcm_state_name(const snd_pcm_state_t state);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Dump Debug Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_dump(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_dump_hw_setup(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_dump_sw_setup(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_dump_setup(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_hw_params_dump(snd_pcm_hw_params_t *params, snd_output_t *out);
+int snd_pcm_sw_params_dump(snd_pcm_sw_params_t *params, snd_output_t *out);
+int snd_pcm_status_dump(snd_pcm_status_t *status, snd_output_t *out);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Direct Direct Access (MMAP) Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_mmap_begin(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t **areas,
+ snd_pcm_uframes_t *offset,
+ snd_pcm_uframes_t *frames);
+snd_pcm_sframes_t snd_pcm_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_mmap_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Helpers Helper Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_format_signed(snd_pcm_format_t format);
+int snd_pcm_format_unsigned(snd_pcm_format_t format);
+int snd_pcm_format_linear(snd_pcm_format_t format);
+int snd_pcm_format_float(snd_pcm_format_t format);
+int snd_pcm_format_little_endian(snd_pcm_format_t format);
+int snd_pcm_format_big_endian(snd_pcm_format_t format);
+int snd_pcm_format_cpu_endian(snd_pcm_format_t format);
+int snd_pcm_format_width(snd_pcm_format_t format); /* in bits */
+int snd_pcm_format_physical_width(snd_pcm_format_t format); /* in bits */
+snd_pcm_format_t snd_pcm_build_linear_format(int width, int pwidth, int unsignd, int big_endian);
+ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples);
+u_int8_t snd_pcm_format_silence(snd_pcm_format_t format);
+u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format);
+u_int32_t snd_pcm_format_silence_32(snd_pcm_format_t format);
+u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format);
+int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int samples);
+
+snd_pcm_sframes_t snd_pcm_bytes_to_frames(snd_pcm_t *pcm, ssize_t bytes);
+ssize_t snd_pcm_frames_to_bytes(snd_pcm_t *pcm, snd_pcm_sframes_t frames);
+long snd_pcm_bytes_to_samples(snd_pcm_t *pcm, ssize_t bytes);
+ssize_t snd_pcm_samples_to_bytes(snd_pcm_t *pcm, long samples);
+
+int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset,
+ unsigned int samples, snd_pcm_format_t format);
+int snd_pcm_areas_silence(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset,
+ unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format);
+int snd_pcm_area_copy(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_channel, snd_pcm_uframes_t src_offset,
+ unsigned int samples, snd_pcm_format_t format);
+int snd_pcm_areas_copy(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_channels, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Hook Hook Extension
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** type of pcm hook */
+typedef enum _snd_pcm_hook_type {
+ SND_PCM_HOOK_TYPE_HW_PARAMS = 0,
+ SND_PCM_HOOK_TYPE_HW_FREE,
+ SND_PCM_HOOK_TYPE_CLOSE,
+ SND_PCM_HOOK_TYPE_LAST = SND_PCM_HOOK_TYPE_CLOSE
+} snd_pcm_hook_type_t;
+
+/** PCM hook container */
+typedef struct _snd_pcm_hook snd_pcm_hook_t;
+/** PCM hook callback function */
+typedef int (*snd_pcm_hook_func_t)(snd_pcm_hook_t *hook);
+snd_pcm_t *snd_pcm_hook_get_pcm(snd_pcm_hook_t *hook);
+void *snd_pcm_hook_get_private(snd_pcm_hook_t *hook);
+void snd_pcm_hook_set_private(snd_pcm_hook_t *hook, void *private_data);
+int snd_pcm_hook_add(snd_pcm_hook_t **hookp, snd_pcm_t *pcm,
+ snd_pcm_hook_type_t type,
+ snd_pcm_hook_func_t func, void *private_data);
+int snd_pcm_hook_remove(snd_pcm_hook_t *hook);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Scope Scope Plugin Extension
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** #SND_PCM_TYPE_METER scope functions */
+typedef struct _snd_pcm_scope_ops {
+ /** \brief Enable and prepare it using current params
+ * \param scope scope handle
+ */
+ int (*enable)(snd_pcm_scope_t *scope);
+ /** \brief Disable
+ * \param scope scope handle
+ */
+ void (*disable)(snd_pcm_scope_t *scope);
+ /** \brief PCM has been started
+ * \param scope scope handle
+ */
+ void (*start)(snd_pcm_scope_t *scope);
+ /** \brief PCM has been stopped
+ * \param scope scope handle
+ */
+ void (*stop)(snd_pcm_scope_t *scope);
+ /** \brief New frames are present
+ * \param scope scope handle
+ */
+ void (*update)(snd_pcm_scope_t *scope);
+ /** \brief Reset status
+ * \param scope scope handle
+ */
+ void (*reset)(snd_pcm_scope_t *scope);
+ /** \brief PCM is closing
+ * \param scope scope handle
+ */
+ void (*close)(snd_pcm_scope_t *scope);
+} snd_pcm_scope_ops_t;
+
+snd_pcm_uframes_t snd_pcm_meter_get_bufsize(snd_pcm_t *pcm);
+unsigned int snd_pcm_meter_get_channels(snd_pcm_t *pcm);
+unsigned int snd_pcm_meter_get_rate(snd_pcm_t *pcm);
+snd_pcm_uframes_t snd_pcm_meter_get_now(snd_pcm_t *pcm);
+snd_pcm_uframes_t snd_pcm_meter_get_boundary(snd_pcm_t *pcm);
+int snd_pcm_meter_add_scope(snd_pcm_t *pcm, snd_pcm_scope_t *scope);
+snd_pcm_scope_t *snd_pcm_meter_search_scope(snd_pcm_t *pcm, const char *name);
+int snd_pcm_scope_malloc(snd_pcm_scope_t **ptr);
+void snd_pcm_scope_set_ops(snd_pcm_scope_t *scope,
+ const snd_pcm_scope_ops_t *val);
+void snd_pcm_scope_set_name(snd_pcm_scope_t *scope, const char *val);
+const char *snd_pcm_scope_get_name(snd_pcm_scope_t *scope);
+void *snd_pcm_scope_get_callback_private(snd_pcm_scope_t *scope);
+void snd_pcm_scope_set_callback_private(snd_pcm_scope_t *scope, void *val);
+int snd_pcm_scope_s16_open(snd_pcm_t *pcm, const char *name,
+ snd_pcm_scope_t **scopep);
+int16_t *snd_pcm_scope_s16_get_channel_buffer(snd_pcm_scope_t *scope,
+ unsigned int channel);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Simple Simple setup functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** Simple PCM latency type */
+typedef enum _snd_spcm_latency {
+ /** standard latency - for standard playback or capture
+ (estimated latency in one direction 350ms) */
+ SND_SPCM_LATENCY_STANDARD = 0,
+ /** medium latency - software phones etc.
+ (estimated latency in one direction maximally 25ms */
+ SND_SPCM_LATENCY_MEDIUM,
+ /** realtime latency - realtime applications (effect processors etc.)
+ (estimated latency in one direction 5ms and better) */
+ SND_SPCM_LATENCY_REALTIME
+} snd_spcm_latency_t;
+
+/** Simple PCM xrun type */
+typedef enum _snd_spcm_xrun_type {
+ /** driver / library will ignore all xruns, the stream runs forever */
+ SND_SPCM_XRUN_IGNORE = 0,
+ /** driver / library stops the stream when an xrun occurs */
+ SND_SPCM_XRUN_STOP
+} snd_spcm_xrun_type_t;
+
+/** Simple PCM duplex type */
+typedef enum _snd_spcm_duplex_type {
+ /** liberal duplex - the buffer and period sizes might not match */
+ SND_SPCM_DUPLEX_LIBERAL = 0,
+ /** pedantic duplex - the buffer and period sizes MUST match */
+ SND_SPCM_DUPLEX_PEDANTIC
+} snd_spcm_duplex_type_t;
+
+int snd_spcm_init(snd_pcm_t *pcm,
+ unsigned int rate,
+ unsigned int channels,
+ snd_pcm_format_t format,
+ snd_pcm_subformat_t subformat,
+ snd_spcm_latency_t latency,
+ snd_pcm_access_t _access,
+ snd_spcm_xrun_type_t xrun_type);
+
+int snd_spcm_init_duplex(snd_pcm_t *playback_pcm,
+ snd_pcm_t *capture_pcm,
+ unsigned int rate,
+ unsigned int channels,
+ snd_pcm_format_t format,
+ snd_pcm_subformat_t subformat,
+ snd_spcm_latency_t latency,
+ snd_pcm_access_t _access,
+ snd_spcm_xrun_type_t xrun_type,
+ snd_spcm_duplex_type_t duplex_type);
+
+int snd_spcm_init_get_params(snd_pcm_t *pcm,
+ unsigned int *rate,
+ snd_pcm_uframes_t *buffer_size,
+ snd_pcm_uframes_t *period_size);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Deprecated Deprecated Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/* Deprecated functions, for compatibility */
+const char *snd_pcm_start_mode_name(snd_pcm_start_t mode) __attribute__((deprecated));
+const char *snd_pcm_xrun_mode_name(snd_pcm_xrun_t mode) __attribute__((deprecated));
+int snd_pcm_sw_params_set_start_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_start_t val) __attribute__((deprecated));
+snd_pcm_start_t snd_pcm_sw_params_get_start_mode(const snd_pcm_sw_params_t *params) __attribute__((deprecated));
+int snd_pcm_sw_params_set_xrun_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val) __attribute__((deprecated));
+snd_pcm_xrun_t snd_pcm_sw_params_get_xrun_mode(const snd_pcm_sw_params_t *params) __attribute__((deprecated));
+#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_SW_PARAMS_API)
+int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) __attribute__((deprecated));
+int snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) __attribute__((deprecated));
+int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val) __attribute__((deprecated));
+int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params, unsigned int *val) __attribute__((deprecated));
+#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_SW_PARAMS_API */
+#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_HW_PARAMS_API)
+int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) __attribute__((deprecated));
+int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) __attribute__((deprecated));
+int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+int snd_pcm_hw_params_set_tick_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir) __attribute__((deprecated));
+int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated));
+#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_HW_PARAMS_API */
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_PCM_H */
diff --git a/include/pcm_external.h b/include/pcm_external.h
new file mode 100644
index 0000000..5750418
--- /dev/null
+++ b/include/pcm_external.h
@@ -0,0 +1,70 @@
+/**
+ * \file include/pcm_external.h
+ * \brief External PCM plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2005
+ *
+ * Extern PCM plugin SDK.
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef __ALSA_PCM_EXTERNAL_H
+#define __ALSA_PCM_EXTERNAL_H
+
+#include "pcm.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Plugin_SDK External PCM plugin SDK
+ * \{
+ */
+
+/**
+ * Define the object entry for external PCM plugins
+ */
+#define SND_PCM_PLUGIN_ENTRY(name) _snd_pcm_##name##_open
+
+/**
+ * Define the symbols of the given plugin with versions
+ */
+#define SND_PCM_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_PCM_PLUGIN_ENTRY(name), SND_PCM_DLSYM_VERSION);
+
+/**
+ * Define the plugin
+ */
+#define SND_PCM_PLUGIN_DEFINE_FUNC(plugin) \
+int SND_PCM_PLUGIN_ENTRY(plugin) (snd_pcm_t **pcmp, const char *name,\
+ snd_config_t *root, snd_config_t *conf, \
+ snd_pcm_stream_t stream, int mode)
+
+#include "pcm_ioplug.h"
+#include "pcm_extplug.h"
+
+int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp,
+ int *cchannelsp, int *hwctlp);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_PCM_EXTERNAL_H */
diff --git a/include/pcm_extplug.h b/include/pcm_extplug.h
new file mode 100644
index 0000000..e3b71bc
--- /dev/null
+++ b/include/pcm_extplug.h
@@ -0,0 +1,206 @@
+/**
+ * \file include/pcm_extplug.h
+ * \brief External Filter-Plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2005
+ *
+ * External Filter-Plugin SDK
+ */
+
+/*
+ * ALSA external PCM plugin SDK (draft version)
+ *
+ * Copyright (c) 2005 Takashi Iwai <tiwai@suse.de>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_PCM_EXTPLUG_H
+#define __ALSA_PCM_EXTPLUG_H
+
+/**
+ * \defgroup PCM_ExtPlug External Filter plugin SDK
+ * \ingroup Plugin_SDK
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** hw constraints for extplug */
+enum {
+ SND_PCM_EXTPLUG_HW_FORMAT, /**< format */
+ SND_PCM_EXTPLUG_HW_CHANNELS, /**< channels */
+ SND_PCM_EXTPLUG_HW_PARAMS /**< max number of hw constraints */
+};
+
+/** Handle of external filter plugin */
+typedef struct snd_pcm_extplug snd_pcm_extplug_t;
+/** Callback table of extplug */
+typedef struct snd_pcm_extplug_callback snd_pcm_extplug_callback_t;
+#ifdef DOC_HIDDEN
+/* redefine typedefs for stupid doxygen */
+typedef snd_pcm_extplug snd_pcm_extplug_t;
+typedef snd_pcm_extplug_callback snd_pcm_extplug_callback_t;
+#endif
+
+/*
+ * Protocol version
+ */
+#define SND_PCM_EXTPLUG_VERSION_MAJOR 1 /**< Protocol major version */
+#define SND_PCM_EXTPLUG_VERSION_MINOR 0 /**< Protocol minor version */
+#define SND_PCM_EXTPLUG_VERSION_TINY 2 /**< Protocol tiny version */
+/**
+ * Filter-plugin protocol version
+ */
+#define SND_PCM_EXTPLUG_VERSION ((SND_PCM_EXTPLUG_VERSION_MAJOR<<16) |\
+ (SND_PCM_EXTPLUG_VERSION_MINOR<<8) |\
+ (SND_PCM_EXTPLUG_VERSION_TINY))
+
+/** Handle of extplug */
+struct snd_pcm_extplug {
+ /**
+ * protocol version; #SND_PCM_EXTPLUG_VERSION must be filled here
+ * before calling #snd_pcm_extplug_create()
+ */
+ unsigned int version;
+ /**
+ * name of this plugin; must be filled before calling #snd_pcm_extplug_create()
+ */
+ const char *name;
+ /**
+ * callbacks of this plugin; must be filled before calling #snd_pcm_extplug_create()
+ */
+ const snd_pcm_extplug_callback_t *callback;
+ /**
+ * private data, which can be used freely in the driver callbacks
+ */
+ void *private_data;
+ /**
+ * PCM handle filled by #snd_pcm_extplug_create()
+ */
+ snd_pcm_t *pcm;
+ /**
+ * stream direction; read-only status
+ */
+ snd_pcm_stream_t stream;
+ /**
+ * format hw parameter; filled after hw_params is caled
+ */
+ snd_pcm_format_t format;
+ /**
+ * subformat hw parameter; filled after hw_params is caled
+ */
+ snd_pcm_subformat_t subformat;
+ /**
+ * channels hw parameter; filled after hw_params is caled
+ */
+ unsigned int channels;
+ /**
+ * rate hw parameter; filled after hw_params is caled
+ */
+ unsigned int rate;
+ /**
+ * slave_format hw parameter; filled after hw_params is caled
+ */
+ snd_pcm_format_t slave_format;
+ /**
+ * slave_subformat hw parameter; filled after hw_params is caled
+ */
+ snd_pcm_subformat_t slave_subformat;
+ /**
+ * slave_channels hw parameter; filled after hw_params is caled
+ */
+ unsigned int slave_channels;
+};
+
+/** Callback table of extplug */
+struct snd_pcm_extplug_callback {
+ /**
+ * transfer between source and destination; this is a required callback
+ */
+ snd_pcm_sframes_t (*transfer)(snd_pcm_extplug_t *ext,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ snd_pcm_uframes_t size);
+ /**
+ * close the PCM; optional
+ */
+ int (*close)(snd_pcm_extplug_t *ext);
+ /**
+ * hw_params; optional
+ */
+ int (*hw_params)(snd_pcm_extplug_t *ext, snd_pcm_hw_params_t *params);
+ /**
+ * hw_free; optional
+ */
+ int (*hw_free)(snd_pcm_extplug_t *ext);
+ /**
+ * dump; optional
+ */
+ void (*dump)(snd_pcm_extplug_t *ext, snd_output_t *out);
+ /**
+ * init; optional initialization called at prepare or reset
+ */
+ int (*init)(snd_pcm_extplug_t *ext);
+ /**
+ * query the channel maps; optional; since v1.0.2
+ */
+ snd_pcm_chmap_query_t **(*query_chmaps)(snd_pcm_extplug_t *ext);
+ /**
+ * get the channel map; optional; since v1.0.2
+ */
+ snd_pcm_chmap_t *(*get_chmap)(snd_pcm_extplug_t *ext);
+ /**
+ * set the channel map; optional; since v1.0.2
+ */
+ int (*set_chmap)(snd_pcm_extplug_t *ext, const snd_pcm_chmap_t *map);
+};
+
+
+int snd_pcm_extplug_create(snd_pcm_extplug_t *ext, const char *name,
+ snd_config_t *root, snd_config_t *slave_conf,
+ snd_pcm_stream_t stream, int mode);
+int snd_pcm_extplug_delete(snd_pcm_extplug_t *ext);
+
+/* clear hw_parameter setting */
+void snd_pcm_extplug_params_reset(snd_pcm_extplug_t *ext);
+
+/* hw_parameter setting */
+int snd_pcm_extplug_set_param_list(snd_pcm_extplug_t *extplug, int type, unsigned int num_list, const unsigned int *list);
+int snd_pcm_extplug_set_param_minmax(snd_pcm_extplug_t *extplug, int type, unsigned int min, unsigned int max);
+int snd_pcm_extplug_set_slave_param_list(snd_pcm_extplug_t *extplug, int type, unsigned int num_list, const unsigned int *list);
+int snd_pcm_extplug_set_slave_param_minmax(snd_pcm_extplug_t *extplug, int type, unsigned int min, unsigned int max);
+
+/**
+ * set the parameter constraint with a single value
+ */
+static __inline__ int snd_pcm_extplug_set_param(snd_pcm_extplug_t *extplug, int type, unsigned int val)
+{
+ return snd_pcm_extplug_set_param_list(extplug, type, 1, &val);
+}
+
+/**
+ * set the parameter constraint for slave PCM with a single value
+ */
+static __inline__ int snd_pcm_extplug_set_slave_param(snd_pcm_extplug_t *extplug, int type, unsigned int val)
+{
+ return snd_pcm_extplug_set_slave_param_list(extplug, type, 1, &val);
+}
+
+/** \} */
+
+#endif /* __ALSA_PCM_EXTPLUG_H */
diff --git a/include/pcm_ioplug.h b/include/pcm_ioplug.h
new file mode 100644
index 0000000..e529e6a
--- /dev/null
+++ b/include/pcm_ioplug.h
@@ -0,0 +1,234 @@
+/**
+ * \file include/pcm_ioplug.h
+ * \brief External I/O-Plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2005
+ *
+ * External I/O-Plugin SDK
+ */
+
+/*
+ * ALSA external PCM plugin SDK
+ *
+ * Copyright (c) 2005 Takashi Iwai <tiwai@suse.de>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_PCM_IOPLUG_H
+#define __ALSA_PCM_IOPLUG_H
+
+/**
+ * \defgroup PCM_IOPlug External I/O plugin SDK
+ * \ingroup Plugin_SDK
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** hw constraints for ioplug */
+enum {
+ SND_PCM_IOPLUG_HW_ACCESS = 0, /**< access type */
+ SND_PCM_IOPLUG_HW_FORMAT, /**< format */
+ SND_PCM_IOPLUG_HW_CHANNELS, /**< channels */
+ SND_PCM_IOPLUG_HW_RATE, /**< rate */
+ SND_PCM_IOPLUG_HW_PERIOD_BYTES, /**< period bytes */
+ SND_PCM_IOPLUG_HW_BUFFER_BYTES, /**< buffer bytes */
+ SND_PCM_IOPLUG_HW_PERIODS, /**< number of periods */
+ SND_PCM_IOPLUG_HW_PARAMS /**< max number of hw constraints */
+};
+
+/** I/O plugin handle */
+typedef struct snd_pcm_ioplug snd_pcm_ioplug_t;
+/** Callback table of ioplug */
+typedef struct snd_pcm_ioplug_callback snd_pcm_ioplug_callback_t;
+#ifdef DOC_HIDDEN
+/* redefine typedefs for stupid doxygen */
+typedef snd_pcm_ioplug snd_pcm_ioplug_t;
+typedef snd_pcm_ioplug_callback snd_pcm_ioplug_callback_t;
+#endif
+
+/*
+ * bit flags for additional conditions
+ */
+#define SND_PCM_IOPLUG_FLAG_LISTED (1<<0) /**< list up this PCM */
+#define SND_PCM_IOPLUG_FLAG_MONOTONIC (1<<1) /**< monotonic timestamps */
+
+/*
+ * Protocol version
+ */
+#define SND_PCM_IOPLUG_VERSION_MAJOR 1 /**< Protocol major version */
+#define SND_PCM_IOPLUG_VERSION_MINOR 0 /**< Protocol minor version */
+#define SND_PCM_IOPLUG_VERSION_TINY 2 /**< Protocol tiny version */
+/**
+ * IO-plugin protocol version
+ */
+#define SND_PCM_IOPLUG_VERSION ((SND_PCM_IOPLUG_VERSION_MAJOR<<16) |\
+ (SND_PCM_IOPLUG_VERSION_MINOR<<8) |\
+ (SND_PCM_IOPLUG_VERSION_TINY))
+
+/** Handle of ioplug */
+struct snd_pcm_ioplug {
+ /**
+ * protocol version; #SND_PCM_IOPLUG_VERSION must be filled here
+ * before calling #snd_pcm_ioplug_create()
+ */
+ unsigned int version;
+ /**
+ * name of this plugin; must be filled before calling #snd_pcm_ioplug_create()
+ */
+ const char *name;
+ unsigned int flags; /**< SND_PCM_IOPLUG_FLAG_XXX */
+ int poll_fd; /**< poll file descriptor */
+ unsigned int poll_events; /**< poll events */
+ unsigned int mmap_rw; /**< pseudo mmap mode */
+ /**
+ * callbacks of this plugin; must be filled before calling #snd_pcm_ioplug_create()
+ */
+ const snd_pcm_ioplug_callback_t *callback;
+ /**
+ * private data, which can be used freely in the driver callbacks
+ */
+ void *private_data;
+ /**
+ * PCM handle filled by #snd_pcm_extplug_create()
+ */
+ snd_pcm_t *pcm;
+
+ snd_pcm_stream_t stream; /**< stream direcion; read-only */
+ snd_pcm_state_t state; /**< current PCM state; read-only */
+ volatile snd_pcm_uframes_t appl_ptr; /**< application pointer; read-only */
+ volatile snd_pcm_uframes_t hw_ptr; /**< hw pointer; read-only */
+ int nonblock; /**< non-block mode; read-only */
+
+ snd_pcm_access_t access; /**< access type; filled after hw_params is called */
+ snd_pcm_format_t format; /**< PCM format; filled after hw_params is called */
+ unsigned int channels; /**< number of channels; filled after hw_params is called */
+ unsigned int rate; /**< rate; filled after hw_params is called */
+ snd_pcm_uframes_t period_size; /**< period size; filled after hw_params is called */
+ snd_pcm_uframes_t buffer_size; /**< buffer size; filled after hw_params is called */
+};
+
+/** Callback table of ioplug */
+struct snd_pcm_ioplug_callback {
+ /**
+ * start the PCM; required
+ */
+ int (*start)(snd_pcm_ioplug_t *io);
+ /**
+ * stop the PCM; required
+ */
+ int (*stop)(snd_pcm_ioplug_t *io);
+ /**
+ * get the current DMA position; required
+ */
+ snd_pcm_sframes_t (*pointer)(snd_pcm_ioplug_t *io);
+ /**
+ * transfer the data; optional
+ */
+ snd_pcm_sframes_t (*transfer)(snd_pcm_ioplug_t *io,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size);
+ /**
+ * close the PCM; optional
+ */
+ int (*close)(snd_pcm_ioplug_t *io);
+ /**
+ * hw_params; optional
+ */
+ int (*hw_params)(snd_pcm_ioplug_t *io, snd_pcm_hw_params_t *params);
+ /**
+ * hw_free; optional
+ */
+ int (*hw_free)(snd_pcm_ioplug_t *io);
+ /**
+ * sw_params; optional
+ */
+ int (*sw_params)(snd_pcm_ioplug_t *io, snd_pcm_sw_params_t *params);
+ /**
+ * prepare; optional
+ */
+ int (*prepare)(snd_pcm_ioplug_t *io);
+ /**
+ * drain; optional
+ */
+ int (*drain)(snd_pcm_ioplug_t *io);
+ /**
+ * toggle pause; optional
+ */
+ int (*pause)(snd_pcm_ioplug_t *io, int enable);
+ /**
+ * resume; optional
+ */
+ int (*resume)(snd_pcm_ioplug_t *io);
+ /**
+ * poll descriptors count; optional
+ */
+ int (*poll_descriptors_count)(snd_pcm_ioplug_t *io);
+ /**
+ * poll descriptors; optional
+ */
+ int (*poll_descriptors)(snd_pcm_ioplug_t *io, struct pollfd *pfd, unsigned int space);
+ /**
+ * mangle poll events; optional
+ */
+ int (*poll_revents)(snd_pcm_ioplug_t *io, struct pollfd *pfd, unsigned int nfds, unsigned short *revents);
+ /**
+ * dump; optional
+ */
+ void (*dump)(snd_pcm_ioplug_t *io, snd_output_t *out);
+ /**
+ * get the delay for the running PCM; optional; since v1.0.1
+ */
+ int (*delay)(snd_pcm_ioplug_t *io, snd_pcm_sframes_t *delayp);
+ /**
+ * query the channel maps; optional; since v1.0.2
+ */
+ snd_pcm_chmap_query_t **(*query_chmaps)(snd_pcm_ioplug_t *io);
+ /**
+ * get the channel map; optional; since v1.0.2
+ */
+ snd_pcm_chmap_t *(*get_chmap)(snd_pcm_ioplug_t *io);
+ /**
+ * set the channel map; optional; since v1.0.2
+ */
+ int (*set_chmap)(snd_pcm_ioplug_t *io, const snd_pcm_chmap_t *map);
+};
+
+
+int snd_pcm_ioplug_create(snd_pcm_ioplug_t *io, const char *name,
+ snd_pcm_stream_t stream, int mode);
+int snd_pcm_ioplug_delete(snd_pcm_ioplug_t *io);
+
+/* update poll_fd and mmap_rw */
+int snd_pcm_ioplug_reinit_status(snd_pcm_ioplug_t *ioplug);
+
+/* get a mmap area (for mmap_rw only) */
+const snd_pcm_channel_area_t *snd_pcm_ioplug_mmap_areas(snd_pcm_ioplug_t *ioplug);
+
+/* clear hw_parameter setting */
+void snd_pcm_ioplug_params_reset(snd_pcm_ioplug_t *io);
+
+/* hw_parameter setting */
+int snd_pcm_ioplug_set_param_minmax(snd_pcm_ioplug_t *io, int type, unsigned int min, unsigned int max);
+int snd_pcm_ioplug_set_param_list(snd_pcm_ioplug_t *io, int type, unsigned int num_list, const unsigned int *list);
+
+/* change PCM status */
+int snd_pcm_ioplug_set_state(snd_pcm_ioplug_t *ioplug, snd_pcm_state_t state);
+
+/** \} */
+
+#endif /* __ALSA_PCM_IOPLUG_H */
diff --git a/include/pcm_old.h b/include/pcm_old.h
new file mode 100644
index 0000000..f0de4c3
--- /dev/null
+++ b/include/pcm_old.h
@@ -0,0 +1,230 @@
+/*
+ * Old ALSA 0.9.x API
+ */
+
+#ifdef ALSA_PCM_OLD_HW_PARAMS_API
+
+asm(".symver snd_pcm_hw_params_get_access,snd_pcm_hw_params_get_access@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_access_first,snd_pcm_hw_params_set_access_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_access_last,snd_pcm_hw_params_set_access_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t val);
+int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t val);
+snd_pcm_access_t snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+snd_pcm_access_t snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+void snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+
+asm(".symver snd_pcm_hw_params_get_format,snd_pcm_hw_params_get_format@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_format_first,snd_pcm_hw_params_set_format_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_format_last,snd_pcm_hw_params_set_format_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+snd_pcm_format_t snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+snd_pcm_format_t snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+
+asm(".symver snd_pcm_hw_params_get_subformat,snd_pcm_hw_params_get_subformat@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_subformat_first,snd_pcm_hw_params_set_subformat_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_subformat_last,snd_pcm_hw_params_set_subformat_last@ALSA_0.9");
+
+int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t val);
+int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t val);
+snd_pcm_subformat_t snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+snd_pcm_subformat_t snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+
+asm(".symver snd_pcm_hw_params_get_channels,snd_pcm_hw_params_get_channels@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_channels_min,snd_pcm_hw_params_get_channels_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_channels_max,snd_pcm_hw_params_get_channels_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_channels_near,snd_pcm_hw_params_set_channels_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_channels_first,snd_pcm_hw_params_set_channels_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_channels_last,snd_pcm_hw_params_set_channels_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params);
+unsigned int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params);
+unsigned int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max);
+unsigned int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+unsigned int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+unsigned int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+asm(".symver snd_pcm_hw_params_get_rate,snd_pcm_hw_params_get_rate@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_rate_min,snd_pcm_hw_params_get_rate_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_rate_max,snd_pcm_hw_params_get_rate_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_rate_near,snd_pcm_hw_params_set_rate_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_rate_first,snd_pcm_hw_params_set_rate_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_rate_last,snd_pcm_hw_params_set_rate_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+unsigned int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir);
+unsigned int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_set_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_get_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+
+asm(".symver snd_pcm_hw_params_get_period_time,snd_pcm_hw_params_get_period_time@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_period_time_min,snd_pcm_hw_params_get_period_time_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_period_time_max,snd_pcm_hw_params_get_period_time_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_period_time_near,snd_pcm_hw_params_set_period_time_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_period_time_first,snd_pcm_hw_params_set_period_time_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_period_time_last,snd_pcm_hw_params_set_period_time_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+unsigned int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir);
+unsigned int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+
+asm(".symver snd_pcm_hw_params_get_period_size,snd_pcm_hw_params_get_period_size@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_period_size_min,snd_pcm_hw_params_get_period_size_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_period_size_max,snd_pcm_hw_params_get_period_size_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_period_size_near,snd_pcm_hw_params_set_period_size_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_period_size_first,snd_pcm_hw_params_set_period_size_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_period_size_last,snd_pcm_hw_params_set_period_size_last@ALSA_0.9");
+
+snd_pcm_sframes_t snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, int *dir);
+snd_pcm_uframes_t snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, int *dir);
+snd_pcm_uframes_t snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir);
+snd_pcm_uframes_t snd_pcm_hw_params_set_period_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int *dir);
+snd_pcm_uframes_t snd_pcm_hw_params_set_period_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+snd_pcm_uframes_t snd_pcm_hw_params_set_period_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+asm(".symver snd_pcm_hw_params_get_periods,snd_pcm_hw_params_get_periods@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_periods_min,snd_pcm_hw_params_get_periods_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_periods_max,snd_pcm_hw_params_get_periods_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_periods_near,snd_pcm_hw_params_set_periods_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_periods_first,snd_pcm_hw_params_set_periods_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_periods_last,snd_pcm_hw_params_set_periods_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+unsigned int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir);
+unsigned int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+asm(".symver snd_pcm_hw_params_get_buffer_time,snd_pcm_hw_params_get_buffer_time@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_buffer_time_min,snd_pcm_hw_params_get_buffer_time_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_buffer_time_max,snd_pcm_hw_params_get_buffer_time_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_buffer_time_near,snd_pcm_hw_params_set_buffer_time_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_buffer_time_first,snd_pcm_hw_params_set_buffer_time_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_buffer_time_last,snd_pcm_hw_params_set_buffer_time_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+unsigned int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir);
+unsigned int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+
+asm(".symver snd_pcm_hw_params_get_buffer_size,snd_pcm_hw_params_get_buffer_size@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_buffer_size_min,snd_pcm_hw_params_get_buffer_size_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_buffer_size_max,snd_pcm_hw_params_get_buffer_size_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_buffer_size_near,snd_pcm_hw_params_set_buffer_size_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_buffer_size_first,snd_pcm_hw_params_set_buffer_size_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_buffer_size_last,snd_pcm_hw_params_set_buffer_size_last@ALSA_0.9");
+
+snd_pcm_sframes_t snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params);
+snd_pcm_uframes_t snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params);
+snd_pcm_uframes_t snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max);
+snd_pcm_uframes_t snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+snd_pcm_uframes_t snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+snd_pcm_uframes_t snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+asm(".symver snd_pcm_hw_params_get_tick_time,snd_pcm_hw_params_get_tick_time@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_tick_time_min,snd_pcm_hw_params_get_tick_time_min@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_get_tick_time_max,snd_pcm_hw_params_get_tick_time_max@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_tick_time_near,snd_pcm_hw_params_set_tick_time_near@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_tick_time_first,snd_pcm_hw_params_set_tick_time_first@ALSA_0.9");
+asm(".symver snd_pcm_hw_params_set_tick_time_last,snd_pcm_hw_params_set_tick_time_last@ALSA_0.9");
+
+int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, int *dir);
+int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_tick_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+unsigned int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int *dir);
+unsigned int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+unsigned int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir);
+
+#endif /* ALSA_PCM_OLD_HW_PARAMS_API */
+
+
+#ifdef ALSA_PCM_OLD_SW_PARAMS_API
+
+asm(".symver snd_pcm_sw_params_get_tstamp_mode,snd_pcm_sw_params_get_tstamp_mode@ALSA_0.9");
+asm(".symver snd_pcm_sw_params_get_sleep_min,snd_pcm_sw_params_get_sleep_min@ALSA_0.9");
+asm(".symver snd_pcm_sw_params_get_avail_min,snd_pcm_sw_params_get_avail_min@ALSA_0.9");
+asm(".symver snd_pcm_sw_params_get_xfer_align,snd_pcm_sw_params_get_xfer_align@ALSA_0.9");
+asm(".symver snd_pcm_sw_params_get_start_threshold,snd_pcm_sw_params_get_start_threshold@ALSA_0.9");
+asm(".symver snd_pcm_sw_params_get_stop_threshold,snd_pcm_sw_params_set_stop_threshold@ALSA_0.9");
+asm(".symver snd_pcm_sw_params_get_silence_threshold,snd_pcm_sw_params_get_silence_threshold@ALSA_0.9");
+asm(".symver snd_pcm_sw_params_get_silence_size,snd_pcm_sw_params_get_silence_size@ALSA_0.9");
+
+int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val);
+snd_pcm_tstamp_t snd_pcm_sw_params_get_tstamp_mode(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val);
+unsigned int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+snd_pcm_uframes_t snd_pcm_sw_params_get_avail_min(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+snd_pcm_uframes_t snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+snd_pcm_uframes_t snd_pcm_sw_params_get_start_threshold(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+snd_pcm_uframes_t snd_pcm_sw_params_get_stop_threshold(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+snd_pcm_uframes_t snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+snd_pcm_uframes_t snd_pcm_sw_params_get_silence_size(const snd_pcm_sw_params_t *params);
+
+#endif /* ALSA_PCM_OLD_SW_PARAMS_API */
diff --git a/include/pcm_plugin.h b/include/pcm_plugin.h
new file mode 100644
index 0000000..eea1d82
--- /dev/null
+++ b/include/pcm_plugin.h
@@ -0,0 +1,202 @@
+/**
+ * \file include/pcm_plugin.h
+ * \brief Common PCM plugin code
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ *
+ * Application interface library for the ALSA driver.
+ * See the \ref pcm_plugins page for more details.
+ *
+ * \warning Using of contents of this header file might be dangerous
+ * in the sense of compatibility reasons. The contents might be
+ * freely changed in future.
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_PCM_PLUGIN_H
+
+/**
+ * \defgroup PCM_Plugins PCM Plugins
+ * \ingroup PCM
+ * See the \ref pcm_plugins page for more details.
+ * \{
+ */
+
+#define SND_PCM_PLUGIN_RATE_MIN 4000 /**< minimal rate for the rate plugin */
+#define SND_PCM_PLUGIN_RATE_MAX 192000 /**< maximal rate for the rate plugin */
+
+/* ROUTE_FLOAT should be set to 0 for machines without FP unit - like iPAQ */
+#ifdef HAVE_SOFT_FLOAT
+#define SND_PCM_PLUGIN_ROUTE_FLOAT 0 /**< use integers for route plugin */
+#else
+#define SND_PCM_PLUGIN_ROUTE_FLOAT 1 /**< use floats for route plugin */
+#endif
+
+#define SND_PCM_PLUGIN_ROUTE_RESOLUTION 16 /**< integer resolution for route plugin */
+
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+/** route ttable entry type */
+typedef float snd_pcm_route_ttable_entry_t;
+#define SND_PCM_PLUGIN_ROUTE_HALF 0.5 /**< half value */
+#define SND_PCM_PLUGIN_ROUTE_FULL 1.0 /**< full value */
+#else
+/** route ttable entry type */
+typedef int snd_pcm_route_ttable_entry_t;
+#define SND_PCM_PLUGIN_ROUTE_HALF (SND_PCM_PLUGIN_ROUTE_RESOLUTION / 2) /**< half value */
+#define SND_PCM_PLUGIN_ROUTE_FULL SND_PCM_PLUGIN_ROUTE_RESOLUTION /**< full value */
+#endif
+
+/*
+ * Hardware plugin
+ */
+int snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
+ int card, int device, int subdevice,
+ snd_pcm_stream_t stream, int mode,
+ int mmap_emulation, int sync_ptr_ioctl);
+int _snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Copy plugin
+ */
+int snd_pcm_copy_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_t *slave, int close_slave);
+int _snd_pcm_copy_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Linear conversion plugin
+ */
+int snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, snd_pcm_t *slave,
+ int close_slave);
+int _snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Linear<->Float conversion plugin
+ */
+int snd_pcm_lfloat_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, snd_pcm_t *slave,
+ int close_slave);
+int _snd_pcm_lfloat_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Linear<->mu-Law conversion plugin
+ */
+int snd_pcm_mulaw_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, snd_pcm_t *slave,
+ int close_slave);
+int _snd_pcm_mulaw_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Linear<->a-Law conversion plugin
+ */
+int snd_pcm_alaw_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, snd_pcm_t *slave,
+ int close_slave);
+int _snd_pcm_alaw_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Linear<->Ima-ADPCM conversion plugin
+ */
+int snd_pcm_adpcm_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, snd_pcm_t *slave,
+ int close_slave);
+int _snd_pcm_adpcm_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Route plugin for linear formats
+ */
+int snd_pcm_route_load_ttable(snd_config_t *tt, snd_pcm_route_ttable_entry_t *ttable,
+ unsigned int tt_csize, unsigned int tt_ssize,
+ unsigned int *tt_cused, unsigned int *tt_sused,
+ int schannels);
+int snd_pcm_route_determine_ttable(snd_config_t *tt,
+ unsigned int *tt_csize,
+ unsigned int *tt_ssize);
+int snd_pcm_route_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, int schannels,
+ snd_pcm_route_ttable_entry_t *ttable,
+ unsigned int tt_ssize,
+ unsigned int tt_cused, unsigned int tt_sused,
+ snd_pcm_t *slave, int close_slave);
+int _snd_pcm_route_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Rate plugin for linear formats
+ */
+int snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, unsigned int srate,
+ const snd_config_t *converter,
+ snd_pcm_t *slave, int close_slave);
+int _snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Hooks plugin
+ */
+int snd_pcm_hooks_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_t *slave, int close_slave);
+int _snd_pcm_hooks_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * LADSPA plugin
+ */
+int snd_pcm_ladspa_open(snd_pcm_t **pcmp, const char *name,
+ const char *ladspa_path,
+ unsigned int channels,
+ snd_config_t *ladspa_pplugins,
+ snd_config_t *ladspa_cplugins,
+ snd_pcm_t *slave, int close_slave);
+int _snd_pcm_ladspa_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+/*
+ * Jack plugin
+ */
+int snd_pcm_jack_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *playback_conf,
+ snd_config_t *capture_conf,
+ snd_pcm_stream_t stream, int mode);
+int _snd_pcm_jack_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode);
+
+
+/** \} */
+
+#endif /* __ALSA_PCM_PLUGIN_H */
diff --git a/include/pcm_rate.h b/include/pcm_rate.h
new file mode 100644
index 0000000..4d70df2
--- /dev/null
+++ b/include/pcm_rate.h
@@ -0,0 +1,153 @@
+/**
+ * \file include/pcm_rate.h
+ * \brief External Rate-Converter-Plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2006
+ *
+ * External Rate-Converter-Plugin SDK
+ */
+
+/*
+ * ALSA external PCM rate-converter plugin SDK (draft version)
+ *
+ * Copyright (c) 2006 Takashi Iwai <tiwai@suse.de>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_PCM_RATE_H
+#define __ALSA_PCM_RATE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Protocol version
+ */
+#define SND_PCM_RATE_PLUGIN_VERSION 0x010002
+
+/** hw_params information for a single side */
+typedef struct snd_pcm_rate_side_info {
+ snd_pcm_format_t format;
+ unsigned int rate;
+ snd_pcm_uframes_t buffer_size;
+ snd_pcm_uframes_t period_size;
+} snd_pcm_rate_side_info_t;
+
+/** hw_params information */
+typedef struct snd_pcm_rate_info {
+ struct snd_pcm_rate_side_info in;
+ struct snd_pcm_rate_side_info out;
+ unsigned int channels;
+} snd_pcm_rate_info_t;
+
+/** Callback table of rate-converter */
+typedef struct snd_pcm_rate_ops {
+ /**
+ * close the converter; optional
+ */
+ void (*close)(void *obj);
+ /**
+ * initialize the converter, called at hw_params
+ */
+ int (*init)(void *obj, snd_pcm_rate_info_t *info);
+ /**
+ * free the converter; optional
+ */
+ void (*free)(void *obj);
+ /**
+ * reset the converter, called at prepare; optional
+ */
+ void (*reset)(void *obj);
+ /**
+ * adjust the pitch, called at sw_params; optional
+ */
+ int (*adjust_pitch)(void *obj, snd_pcm_rate_info_t *info);
+ /**
+ * convert the data
+ */
+ void (*convert)(void *obj,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames);
+ /**
+ * convert an s16 interleaved-data array; exclusive with convert
+ */
+ void (*convert_s16)(void *obj, int16_t *dst, unsigned int dst_frames,
+ const int16_t *src, unsigned int src_frames);
+ /**
+ * compute the frame size for input
+ */
+ snd_pcm_uframes_t (*input_frames)(void *obj, snd_pcm_uframes_t frames);
+ /**
+ * compute the frame size for output
+ */
+ snd_pcm_uframes_t (*output_frames)(void *obj, snd_pcm_uframes_t frames);
+ /**
+ * the protocol version the plugin supports;
+ * new field since version 0x010002
+ */
+ unsigned int version;
+ /**
+ * return the supported min / max sample rates;
+ * new ops since version 0x010002
+ */
+ int (*get_supported_rates)(void *obj, unsigned int *rate_min,
+ unsigned int *rate_max);
+ /**
+ * show some status messages for verbose mode;
+ * new ops since version 0x010002
+ */
+ void (*dump)(void *obj, snd_output_t *out);
+} snd_pcm_rate_ops_t;
+
+/** open function type */
+typedef int (*snd_pcm_rate_open_func_t)(unsigned int version, void **objp,
+ snd_pcm_rate_ops_t *opsp);
+
+/**
+ * Define the object entry for external PCM rate-converter plugins
+ */
+#define SND_PCM_RATE_PLUGIN_ENTRY(name) _snd_pcm_rate_##name##_open
+
+
+#ifndef DOC_HIDDEN
+/* old rate_ops for protocol version 0x010001 */
+typedef struct snd_pcm_rate_old_ops {
+ void (*close)(void *obj);
+ int (*init)(void *obj, snd_pcm_rate_info_t *info);
+ void (*free)(void *obj);
+ void (*reset)(void *obj);
+ int (*adjust_pitch)(void *obj, snd_pcm_rate_info_t *info);
+ void (*convert)(void *obj,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames);
+ void (*convert_s16)(void *obj, int16_t *dst, unsigned int dst_frames,
+ const int16_t *src, unsigned int src_frames);
+ snd_pcm_uframes_t (*input_frames)(void *obj, snd_pcm_uframes_t frames);
+ snd_pcm_uframes_t (*output_frames)(void *obj, snd_pcm_uframes_t frames);
+} snd_pcm_rate_old_ops_t;
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_PCM_RATE_H */
diff --git a/include/rawmidi.h b/include/rawmidi.h
new file mode 100644
index 0000000..1d8fd56
--- /dev/null
+++ b/include/rawmidi.h
@@ -0,0 +1,159 @@
+/**
+ * \file include/rawmidi.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_RAWMIDI_H
+#define __ALSA_RAWMIDI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup RawMidi RawMidi Interface
+ * The RawMidi Interface. See \ref rawmidi page for more details.
+ * \{
+ */
+
+/** dlsym version for interface entry callback */
+#define SND_RAWMIDI_DLSYM_VERSION _dlsym_rawmidi_001
+
+/** RawMidi information container */
+typedef struct _snd_rawmidi_info snd_rawmidi_info_t;
+/** RawMidi settings container */
+typedef struct _snd_rawmidi_params snd_rawmidi_params_t;
+/** RawMidi status container */
+typedef struct _snd_rawmidi_status snd_rawmidi_status_t;
+
+/** RawMidi stream (direction) */
+typedef enum _snd_rawmidi_stream {
+ /** Output stream */
+ SND_RAWMIDI_STREAM_OUTPUT = 0,
+ /** Input stream */
+ SND_RAWMIDI_STREAM_INPUT,
+ SND_RAWMIDI_STREAM_LAST = SND_RAWMIDI_STREAM_INPUT
+} snd_rawmidi_stream_t;
+
+/** Append (flag to open mode) \hideinitializer */
+#define SND_RAWMIDI_APPEND 0x0001
+/** Non blocking mode (flag to open mode) \hideinitializer */
+#define SND_RAWMIDI_NONBLOCK 0x0002
+/** Write sync mode (Flag to open mode) \hideinitializer */
+#define SND_RAWMIDI_SYNC 0x0004
+
+/** RawMidi handle */
+typedef struct _snd_rawmidi snd_rawmidi_t;
+
+/** RawMidi type */
+typedef enum _snd_rawmidi_type {
+ /** Kernel level RawMidi */
+ SND_RAWMIDI_TYPE_HW,
+ /** Shared memory client RawMidi (not yet implemented) */
+ SND_RAWMIDI_TYPE_SHM,
+ /** INET client RawMidi (not yet implemented) */
+ SND_RAWMIDI_TYPE_INET,
+ /** Virtual (sequencer) RawMidi */
+ SND_RAWMIDI_TYPE_VIRTUAL
+} snd_rawmidi_type_t;
+
+int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi,
+ const char *name, int mode);
+int snd_rawmidi_open_lconf(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi,
+ const char *name, int mode, snd_config_t *lconf);
+int snd_rawmidi_close(snd_rawmidi_t *rmidi);
+int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rmidi);
+int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space);
+int snd_rawmidi_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revent);
+int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock);
+size_t snd_rawmidi_info_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_rawmidi_info_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_rawmidi_info_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_info)
+int snd_rawmidi_info_malloc(snd_rawmidi_info_t **ptr);
+void snd_rawmidi_info_free(snd_rawmidi_info_t *obj);
+void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src);
+unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *obj);
+unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *obj);
+snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *obj);
+int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *obj);
+unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *obj);
+const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *obj);
+const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *obj);
+const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *obj);
+unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *obj);
+unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *obj);
+void snd_rawmidi_info_set_device(snd_rawmidi_info_t *obj, unsigned int val);
+void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *obj, unsigned int val);
+void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *obj, snd_rawmidi_stream_t val);
+int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info);
+size_t snd_rawmidi_params_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_rawmidi_params_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_rawmidi_params_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_params)
+int snd_rawmidi_params_malloc(snd_rawmidi_params_t **ptr);
+void snd_rawmidi_params_free(snd_rawmidi_params_t *obj);
+void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src);
+int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val);
+size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params);
+int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, size_t val);
+size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params);
+int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params, int val);
+int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params);
+int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params);
+int snd_rawmidi_params_current(snd_rawmidi_t *rmidi, snd_rawmidi_params_t *params);
+size_t snd_rawmidi_status_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_rawmidi_status_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_rawmidi_status_alloca(ptr) __snd_alloca(ptr, snd_rawmidi_status)
+int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr);
+void snd_rawmidi_status_free(snd_rawmidi_status_t *obj);
+void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src);
+void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *obj, snd_htimestamp_t *ptr);
+size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *obj);
+size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *obj);
+int snd_rawmidi_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status);
+int snd_rawmidi_drain(snd_rawmidi_t *rmidi);
+int snd_rawmidi_drop(snd_rawmidi_t *rmidi);
+ssize_t snd_rawmidi_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size);
+ssize_t snd_rawmidi_read(snd_rawmidi_t *rmidi, void *buffer, size_t size);
+const char *snd_rawmidi_name(snd_rawmidi_t *rmidi);
+snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rmidi);
+snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RAWMIDI_H */
+
diff --git a/include/search.h b/include/search.h
new file mode 100644
index 0000000..91e6210
--- /dev/null
+++ b/include/search.h
@@ -0,0 +1,177 @@
+/* Declarations for System V style searching functions.
+ Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SEARCH_H
+#define _SEARCH_H 1
+
+#include <features.h>
+
+#define __need_size_t
+#include <stddef.h>
+
+__BEGIN_DECLS
+
+#if defined __USE_SVID || defined __USE_XOPEN_EXTENDED
+/* Prototype structure for a linked-list data structure.
+ This is the type used by the `insque' and `remque' functions. */
+
+# ifdef __USE_GNU
+struct qelem
+ {
+ struct qelem *q_forw;
+ struct qelem *q_back;
+ char q_data[1];
+ };
+# endif
+
+
+/* Insert ELEM into a doubly-linked list, after PREV. */
+extern void insque __P ((void *__elem, void *__prev));
+
+/* Unlink ELEM from the doubly-linked list that it is in. */
+extern void remque __P ((void *__elem));
+#endif
+
+
+/* For use with hsearch(3). */
+#ifndef __COMPAR_FN_T
+# define __COMPAR_FN_T
+typedef int (*__compar_fn_t) __PMT ((__const __ptr_t, __const __ptr_t));
+
+# ifdef __USE_GNU
+typedef __compar_fn_t comparison_fn_t;
+# endif
+#endif
+
+/* Action which shall be performed in the call the hsearch. */
+typedef enum
+ {
+ FIND,
+ ENTER
+ }
+ACTION;
+
+typedef struct entry
+ {
+ char *key;
+ void *data;
+ }
+ENTRY;
+
+/* Opaque type for internal use. */
+struct _ENTRY;
+
+/* Family of hash table handling functions. The functions also
+ have reentrant counterparts ending with _r. The non-reentrant
+ functions all work on a single internal hashing table. */
+
+/* Search for entry matching ITEM.key in internal hash table. If
+ ACTION is `FIND' return found entry or signal error by returning
+ NULL. If ACTION is `ENTER' replace existing data (if any) with
+ ITEM.data. */
+extern ENTRY *hsearch __P ((ENTRY __item, ACTION __action));
+
+/* Create a new hashing table which will at most contain NEL elements. */
+extern int hcreate __P ((size_t __nel));
+
+/* Destroy current internal hashing table. */
+extern void hdestroy __P ((void));
+
+#ifdef __USE_GNU
+/* Data type for reentrant functions. */
+struct hsearch_data
+ {
+ struct _ENTRY *table;
+ unsigned int size;
+ unsigned int filled;
+ };
+
+/* Reentrant versions which can handle multiple hashing tables at the
+ same time. */
+extern int hsearch_r __P ((ENTRY __item, ACTION __action, ENTRY **__retval,
+ struct hsearch_data *__htab));
+extern int hcreate_r __P ((size_t __nel, struct hsearch_data *__htab));
+extern void hdestroy_r __P ((struct hsearch_data *__htab));
+#endif
+
+
+/* The tsearch routines are very interesting. They make many
+ assumptions about the compiler. It assumes that the first field
+ in node must be the "key" field, which points to the datum.
+ Everything depends on that. */
+/* For tsearch */
+typedef enum
+{
+ preorder,
+ postorder,
+ endorder,
+ leaf
+}
+VISIT;
+
+/* Search for an entry matching the given KEY in the tree pointed to
+ by *ROOTP and insert a new element if not found. */
+extern void *tsearch __PMT ((__const void *__key, void **__rootp,
+ __compar_fn_t __compar));
+
+/* Search for an entry matching the given KEY in the tree pointed to
+ by *ROOTP. If no matching entry is available return NULL. */
+extern void *tfind __PMT ((__const void *__key, void *__const *__rootp,
+ __compar_fn_t __compar));
+
+/* Remove the element matching KEY from the tree pointed to by *ROOTP. */
+extern void *tdelete __PMT ((__const void *__key, void **__rootp,
+ __compar_fn_t __compar));
+
+#ifndef __ACTION_FN_T
+# define __ACTION_FN_T
+typedef void (*__action_fn_t) __PMT ((__const void *__nodep,
+ VISIT __value,
+ int __level));
+#endif
+
+/* Walk through the whole tree and call the ACTION callback for every node
+ or leaf. */
+extern void twalk __PMT ((__const void *__root, __action_fn_t __action));
+
+#ifdef __USE_GNU
+/* Callback type for function to free a tree node. If the keys are atomic
+ data this function should do nothing. */
+typedef void (*__free_fn_t) __PMT ((void *__nodep));
+
+/* Destroy the whole tree, call FREEFCT for each node or leaf. */
+extern void tdestroy __PMT ((void *__root, __free_fn_t __freefct));
+#endif
+
+
+/* Perform linear search for KEY by comparing by COMPAR in an array
+ [BASE,BASE+NMEMB*SIZE). */
+extern void *lfind __PMT ((__const void *__key, __const void *__base,
+ size_t *__nmemb, size_t __size,
+ __compar_fn_t __compar));
+
+/* Perform linear search for KEY by comparing by COMPAR function in
+ array [BASE,BASE+NMEMB*SIZE) and insert entry if not found. */
+extern void *lsearch __PMT ((__const void *__key, void *__base,
+ size_t *__nmemb, size_t __size,
+ __compar_fn_t __compar));
+
+__END_DECLS
+
+#endif /* search.h */
diff --git a/include/seq.h b/include/seq.h
new file mode 100644
index 0000000..9576822
--- /dev/null
+++ b/include/seq.h
@@ -0,0 +1,737 @@
+/**
+ * \file include/seq.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ */
+/*
+ * Application interface library for the ALSA driver
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_SEQ_H
+#define __ALSA_SEQ_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Sequencer MIDI Sequencer
+ * MIDI Sequencer Interface.
+ * See \ref seq page for more details.
+ * \{
+ */
+
+/** dlsym version for interface entry callback */
+#define SND_SEQ_DLSYM_VERSION _dlsym_seq_001
+
+/** Sequencer handle */
+typedef struct _snd_seq snd_seq_t;
+
+/**
+ * sequencer opening stream types
+ */
+#define SND_SEQ_OPEN_OUTPUT 1 /**< open for output (write) */
+#define SND_SEQ_OPEN_INPUT 2 /**< open for input (read) */
+#define SND_SEQ_OPEN_DUPLEX (SND_SEQ_OPEN_OUTPUT|SND_SEQ_OPEN_INPUT) /**< open for both input and output (read/write) */
+
+/**
+ * sequencer opening mode
+ */
+#define SND_SEQ_NONBLOCK 0x0001 /**< non-blocking mode (flag to open mode) */
+
+/** sequencer handle type */
+typedef enum _snd_seq_type {
+ SND_SEQ_TYPE_HW, /**< hardware */
+ SND_SEQ_TYPE_SHM, /**< shared memory (NYI) */
+ SND_SEQ_TYPE_INET /**< network (NYI) */
+} snd_seq_type_t;
+
+/** special client (port) ids */
+#define SND_SEQ_ADDRESS_UNKNOWN 253 /**< unknown source */
+#define SND_SEQ_ADDRESS_SUBSCRIBERS 254 /**< send event to all subscribed ports */
+#define SND_SEQ_ADDRESS_BROADCAST 255 /**< send event to all queues/clients/ports/channels */
+
+/** known client numbers */
+#define SND_SEQ_CLIENT_SYSTEM 0 /**< system client */
+
+/*
+ */
+int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode);
+int snd_seq_open_lconf(snd_seq_t **handle, const char *name, int streams, int mode, snd_config_t *lconf);
+const char *snd_seq_name(snd_seq_t *seq);
+snd_seq_type_t snd_seq_type(snd_seq_t *seq);
+int snd_seq_close(snd_seq_t *handle);
+int snd_seq_poll_descriptors_count(snd_seq_t *handle, short events);
+int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space, short events);
+int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_seq_nonblock(snd_seq_t *handle, int nonblock);
+int snd_seq_client_id(snd_seq_t *handle);
+
+size_t snd_seq_get_output_buffer_size(snd_seq_t *handle);
+size_t snd_seq_get_input_buffer_size(snd_seq_t *handle);
+int snd_seq_set_output_buffer_size(snd_seq_t *handle, size_t size);
+int snd_seq_set_input_buffer_size(snd_seq_t *handle, size_t size);
+
+/** system information container */
+typedef struct _snd_seq_system_info snd_seq_system_info_t;
+
+size_t snd_seq_system_info_sizeof(void);
+/** allocate a #snd_seq_system_info_t container on stack */
+#define snd_seq_system_info_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_system_info)
+int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr);
+void snd_seq_system_info_free(snd_seq_system_info_t *ptr);
+void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src);
+
+int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info);
+int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info);
+int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info);
+int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info);
+int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info);
+int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info);
+
+int snd_seq_system_info(snd_seq_t *handle, snd_seq_system_info_t *info);
+
+/** \} */
+
+
+/**
+ * \defgroup SeqClient Sequencer Client Interface
+ * Sequencer Client Interface
+ * \ingroup Sequencer
+ * \{
+ */
+
+/** client information container */
+typedef struct _snd_seq_client_info snd_seq_client_info_t;
+
+/** client types */
+typedef enum snd_seq_client_type {
+ SND_SEQ_USER_CLIENT = 1, /**< user client */
+ SND_SEQ_KERNEL_CLIENT = 2 /**< kernel client */
+} snd_seq_client_type_t;
+
+size_t snd_seq_client_info_sizeof(void);
+/** allocate a #snd_seq_client_info_t container on stack */
+#define snd_seq_client_info_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_client_info)
+int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr);
+void snd_seq_client_info_free(snd_seq_client_info_t *ptr);
+void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src);
+
+int snd_seq_client_info_get_client(const snd_seq_client_info_t *info);
+snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info);
+const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info);
+int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info);
+int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info);
+const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info);
+int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info);
+int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info);
+
+void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client);
+void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name);
+void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val);
+void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val);
+void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter);
+
+void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info);
+void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type);
+void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type);
+int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type);
+
+int snd_seq_get_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
+int snd_seq_get_any_client_info(snd_seq_t *handle, int client, snd_seq_client_info_t *info);
+int snd_seq_set_client_info(snd_seq_t *handle, snd_seq_client_info_t *info);
+int snd_seq_query_next_client(snd_seq_t *handle, snd_seq_client_info_t *info);
+
+/*
+ */
+
+/** client pool information container */
+typedef struct _snd_seq_client_pool snd_seq_client_pool_t;
+
+size_t snd_seq_client_pool_sizeof(void);
+/** allocate a #snd_seq_client_pool_t container on stack */
+#define snd_seq_client_pool_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_client_pool)
+int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr);
+void snd_seq_client_pool_free(snd_seq_client_pool_t *ptr);
+void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src);
+
+int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info);
+size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info);
+size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info);
+size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info);
+size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info);
+size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info);
+void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size);
+void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size);
+void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size);
+
+int snd_seq_get_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);
+int snd_seq_set_client_pool(snd_seq_t *handle, snd_seq_client_pool_t *info);
+
+
+/** \} */
+
+
+/**
+ * \defgroup SeqPort Sequencer Port Interface
+ * Sequencer Port Interface
+ * \ingroup Sequencer
+ * \{
+ */
+
+/** port information container */
+typedef struct _snd_seq_port_info snd_seq_port_info_t;
+
+/** known port numbers */
+#define SND_SEQ_PORT_SYSTEM_TIMER 0 /**< system timer port */
+#define SND_SEQ_PORT_SYSTEM_ANNOUNCE 1 /**< system announce port */
+
+/** port capabilities (32 bits) */
+#define SND_SEQ_PORT_CAP_READ (1<<0) /**< readable from this port */
+#define SND_SEQ_PORT_CAP_WRITE (1<<1) /**< writable to this port */
+
+#define SND_SEQ_PORT_CAP_SYNC_READ (1<<2) /**< allow read subscriptions */
+#define SND_SEQ_PORT_CAP_SYNC_WRITE (1<<3) /**< allow write subscriptions */
+
+#define SND_SEQ_PORT_CAP_DUPLEX (1<<4) /**< allow read/write duplex */
+
+#define SND_SEQ_PORT_CAP_SUBS_READ (1<<5) /**< allow read subscription */
+#define SND_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /**< allow write subscription */
+#define SND_SEQ_PORT_CAP_NO_EXPORT (1<<7) /**< routing not allowed */
+
+/* port type */
+/** Messages sent from/to this port have device-specific semantics. */
+#define SND_SEQ_PORT_TYPE_SPECIFIC (1<<0)
+/** This port understands MIDI messages. */
+#define SND_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1)
+/** This port is compatible with the General MIDI specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_GM (1<<2)
+/** This port is compatible with the Roland GS standard. */
+#define SND_SEQ_PORT_TYPE_MIDI_GS (1<<3)
+/** This port is compatible with the Yamaha XG specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_XG (1<<4)
+/** This port is compatible with the Roland MT-32. */
+#define SND_SEQ_PORT_TYPE_MIDI_MT32 (1<<5)
+/** This port is compatible with the General MIDI 2 specification. */
+#define SND_SEQ_PORT_TYPE_MIDI_GM2 (1<<6)
+/** This port understands SND_SEQ_EVENT_SAMPLE_xxx messages
+ (these are not MIDI messages). */
+#define SND_SEQ_PORT_TYPE_SYNTH (1<<10)
+/** Instruments can be downloaded to this port
+ (with SND_SEQ_EVENT_INSTR_xxx messages sent directly). */
+#define SND_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)
+/** Instruments can be downloaded to this port
+ (with SND_SEQ_EVENT_INSTR_xxx messages sent directly or through a queue). */
+#define SND_SEQ_PORT_TYPE_SAMPLE (1<<12)
+/** This port is implemented in hardware. */
+#define SND_SEQ_PORT_TYPE_HARDWARE (1<<16)
+/** This port is implemented in software. */
+#define SND_SEQ_PORT_TYPE_SOFTWARE (1<<17)
+/** Messages sent to this port will generate sounds. */
+#define SND_SEQ_PORT_TYPE_SYNTHESIZER (1<<18)
+/** This port may connect to other devices
+ (whose characteristics are not known). */
+#define SND_SEQ_PORT_TYPE_PORT (1<<19)
+/** This port belongs to an application, such as a sequencer or editor. */
+#define SND_SEQ_PORT_TYPE_APPLICATION (1<<20)
+
+
+size_t snd_seq_port_info_sizeof(void);
+/** allocate a #snd_seq_port_info_t container on stack */
+#define snd_seq_port_info_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_port_info)
+int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr);
+void snd_seq_port_info_free(snd_seq_port_info_t *ptr);
+void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src);
+
+int snd_seq_port_info_get_client(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_port(const snd_seq_port_info_t *info);
+const snd_seq_addr_t *snd_seq_port_info_get_addr(const snd_seq_port_info_t *info);
+const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info);
+unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info);
+unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info);
+int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info);
+
+void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client);
+void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port);
+void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr);
+void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name);
+void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability);
+void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type);
+void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels);
+void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices);
+void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices);
+void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val);
+void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable);
+void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int realtime);
+void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue);
+
+int snd_seq_create_port(snd_seq_t *handle, snd_seq_port_info_t *info);
+int snd_seq_delete_port(snd_seq_t *handle, int port);
+int snd_seq_get_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
+int snd_seq_get_any_port_info(snd_seq_t *handle, int client, int port, snd_seq_port_info_t *info);
+int snd_seq_set_port_info(snd_seq_t *handle, int port, snd_seq_port_info_t *info);
+int snd_seq_query_next_port(snd_seq_t *handle, snd_seq_port_info_t *info);
+
+/** \} */
+
+
+/**
+ * \defgroup SeqSubscribe Sequencer Port Subscription
+ * Sequencer Port Subscription
+ * \ingroup Sequencer
+ * \{
+ */
+
+/** port subscription container */
+typedef struct _snd_seq_port_subscribe snd_seq_port_subscribe_t;
+
+size_t snd_seq_port_subscribe_sizeof(void);
+/** allocate a #snd_seq_port_subscribe_t container on stack */
+#define snd_seq_port_subscribe_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_port_subscribe)
+int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr);
+void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *ptr);
+void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src);
+
+const snd_seq_addr_t *snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info);
+const snd_seq_addr_t *snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info);
+int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info);
+int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info);
+int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info);
+int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info);
+
+void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
+void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr);
+void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q);
+void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val);
+void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val);
+void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val);
+
+int snd_seq_get_port_subscription(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
+int snd_seq_subscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
+int snd_seq_unsubscribe_port(snd_seq_t *handle, snd_seq_port_subscribe_t *sub);
+
+/*
+ */
+
+/** subscription query container */
+typedef struct _snd_seq_query_subscribe snd_seq_query_subscribe_t;
+
+/** type of query subscription */
+typedef enum {
+ SND_SEQ_QUERY_SUBS_READ, /**< query read subscriptions */
+ SND_SEQ_QUERY_SUBS_WRITE /**< query write subscriptions */
+} snd_seq_query_subs_type_t;
+
+size_t snd_seq_query_subscribe_sizeof(void);
+/** allocate a #snd_seq_query_subscribe_t container on stack */
+#define snd_seq_query_subscribe_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_query_subscribe)
+int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr);
+void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *ptr);
+void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src);
+
+int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info);
+int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info);
+const snd_seq_addr_t *snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info);
+snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info);
+int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info);
+int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info);
+const snd_seq_addr_t *snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info);
+int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info);
+int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info);
+int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info);
+int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info);
+
+void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client);
+void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port);
+void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr);
+void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type);
+void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int _index);
+
+int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs);
+
+/** \} */
+
+
+/**
+ * \defgroup SeqQueue Sequencer Queue Interface
+ * Sequencer Queue Interface
+ * \ingroup Sequencer
+ * \{
+ */
+
+/** queue information container */
+typedef struct _snd_seq_queue_info snd_seq_queue_info_t;
+/** queue status container */
+typedef struct _snd_seq_queue_status snd_seq_queue_status_t;
+/** queue tempo container */
+typedef struct _snd_seq_queue_tempo snd_seq_queue_tempo_t;
+/** queue timer information container */
+typedef struct _snd_seq_queue_timer snd_seq_queue_timer_t;
+
+/** special queue ids */
+#define SND_SEQ_QUEUE_DIRECT 253 /**< direct dispatch */
+
+size_t snd_seq_queue_info_sizeof(void);
+/** allocate a #snd_seq_queue_info_t container on stack */
+#define snd_seq_queue_info_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_queue_info)
+int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr);
+void snd_seq_queue_info_free(snd_seq_queue_info_t *ptr);
+void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src);
+
+int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info);
+const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info);
+int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info);
+int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info);
+unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info);
+
+void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name);
+void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner);
+void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked);
+void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags);
+
+int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info);
+int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name);
+int snd_seq_alloc_queue(snd_seq_t *handle);
+int snd_seq_free_queue(snd_seq_t *handle, int q);
+int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
+int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info);
+int snd_seq_query_named_queue(snd_seq_t *seq, const char *name);
+
+int snd_seq_get_queue_usage(snd_seq_t *handle, int q);
+int snd_seq_set_queue_usage(snd_seq_t *handle, int q, int used);
+
+/*
+ */
+size_t snd_seq_queue_status_sizeof(void);
+/** allocate a #snd_seq_queue_status_t container on stack */
+#define snd_seq_queue_status_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_queue_status)
+int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr);
+void snd_seq_queue_status_free(snd_seq_queue_status_t *ptr);
+void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src);
+
+int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info);
+int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info);
+snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info);
+const snd_seq_real_time_t *snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info);
+unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info);
+
+int snd_seq_get_queue_status(snd_seq_t *handle, int q, snd_seq_queue_status_t *status);
+
+/*
+ */
+size_t snd_seq_queue_tempo_sizeof(void);
+/** allocate a #snd_seq_queue_tempo_t container on stack */
+#define snd_seq_queue_tempo_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_queue_tempo)
+int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr);
+void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *ptr);
+void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src);
+
+int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info);
+unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info);
+int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info);
+unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info);
+unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info);
+void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo);
+void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq);
+void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew);
+void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base);
+
+int snd_seq_get_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
+int snd_seq_set_queue_tempo(snd_seq_t *handle, int q, snd_seq_queue_tempo_t *tempo);
+
+/*
+ */
+
+/** sequencer timer sources */
+typedef enum {
+ SND_SEQ_TIMER_ALSA = 0, /* ALSA timer */
+ SND_SEQ_TIMER_MIDI_CLOCK = 1, /* Midi Clock (CLOCK event) */
+ SND_SEQ_TIMER_MIDI_TICK = 2 /* Midi Timer Tick (TICK event */
+} snd_seq_queue_timer_type_t;
+
+size_t snd_seq_queue_timer_sizeof(void);
+/** allocate a #snd_seq_queue_timer_t container on stack */
+#define snd_seq_queue_timer_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_queue_timer)
+int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr);
+void snd_seq_queue_timer_free(snd_seq_queue_timer_t *ptr);
+void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src);
+
+int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info);
+snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info);
+const snd_timer_id_t *snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info);
+unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info);
+
+void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type);
+void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id);
+void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution);
+
+int snd_seq_get_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
+int snd_seq_set_queue_timer(snd_seq_t *handle, int q, snd_seq_queue_timer_t *timer);
+
+/** \} */
+
+/**
+ * \defgroup SeqEvent Sequencer Event API
+ * Sequencer Event API
+ * \ingroup Sequencer
+ * \{
+ */
+
+int snd_seq_free_event(snd_seq_event_t *ev);
+ssize_t snd_seq_event_length(snd_seq_event_t *ev);
+int snd_seq_event_output(snd_seq_t *handle, snd_seq_event_t *ev);
+int snd_seq_event_output_buffer(snd_seq_t *handle, snd_seq_event_t *ev);
+int snd_seq_event_output_direct(snd_seq_t *handle, snd_seq_event_t *ev);
+int snd_seq_event_input(snd_seq_t *handle, snd_seq_event_t **ev);
+int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer);
+int snd_seq_drain_output(snd_seq_t *handle);
+int snd_seq_event_output_pending(snd_seq_t *seq);
+int snd_seq_extract_output(snd_seq_t *handle, snd_seq_event_t **ev);
+int snd_seq_drop_output(snd_seq_t *handle);
+int snd_seq_drop_output_buffer(snd_seq_t *handle);
+int snd_seq_drop_input(snd_seq_t *handle);
+int snd_seq_drop_input_buffer(snd_seq_t *handle);
+
+/** event removal conditionals */
+typedef struct _snd_seq_remove_events snd_seq_remove_events_t;
+
+/** Remove conditional flags */
+#define SND_SEQ_REMOVE_INPUT (1<<0) /**< Flush input queues */
+#define SND_SEQ_REMOVE_OUTPUT (1<<1) /**< Flush output queues */
+#define SND_SEQ_REMOVE_DEST (1<<2) /**< Restrict by destination q:client:port */
+#define SND_SEQ_REMOVE_DEST_CHANNEL (1<<3) /**< Restrict by channel */
+#define SND_SEQ_REMOVE_TIME_BEFORE (1<<4) /**< Restrict to before time */
+#define SND_SEQ_REMOVE_TIME_AFTER (1<<5) /**< Restrict to time or after */
+#define SND_SEQ_REMOVE_TIME_TICK (1<<6) /**< Time is in ticks */
+#define SND_SEQ_REMOVE_EVENT_TYPE (1<<7) /**< Restrict to event type */
+#define SND_SEQ_REMOVE_IGNORE_OFF (1<<8) /**< Do not flush off events */
+#define SND_SEQ_REMOVE_TAG_MATCH (1<<9) /**< Restrict to events with given tag */
+
+size_t snd_seq_remove_events_sizeof(void);
+/** allocate a #snd_seq_remove_events_t container on stack */
+#define snd_seq_remove_events_alloca(ptr) \
+ __snd_alloca(ptr, snd_seq_remove_events)
+int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr);
+void snd_seq_remove_events_free(snd_seq_remove_events_t *ptr);
+void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src);
+
+unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info);
+int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info);
+const snd_seq_timestamp_t *snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info);
+const snd_seq_addr_t *snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info);
+int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info);
+int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info);
+int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info);
+
+void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags);
+void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue);
+void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time);
+void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr);
+void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel);
+void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type);
+void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag);
+
+int snd_seq_remove_events(snd_seq_t *handle, snd_seq_remove_events_t *info);
+
+/** \} */
+
+/**
+ * \defgroup SeqMisc Sequencer Miscellaneous
+ * Sequencer Miscellaneous
+ * \ingroup Sequencer
+ * \{
+ */
+
+void snd_seq_set_bit(int nr, void *array);
+void snd_seq_unset_bit(int nr, void *array);
+int snd_seq_change_bit(int nr, void *array);
+int snd_seq_get_bit(int nr, void *array);
+
+/** \} */
+
+
+/**
+ * \defgroup SeqEvType Sequencer Event Type Checks
+ * Sequencer Event Type Checks
+ * \ingroup Sequencer
+ * \{
+ */
+
+/* event type macros */
+enum {
+ SND_SEQ_EVFLG_RESULT,
+ SND_SEQ_EVFLG_NOTE,
+ SND_SEQ_EVFLG_CONTROL,
+ SND_SEQ_EVFLG_QUEUE,
+ SND_SEQ_EVFLG_SYSTEM,
+ SND_SEQ_EVFLG_MESSAGE,
+ SND_SEQ_EVFLG_CONNECTION,
+ SND_SEQ_EVFLG_SAMPLE,
+ SND_SEQ_EVFLG_USERS,
+ SND_SEQ_EVFLG_INSTR,
+ SND_SEQ_EVFLG_QUOTE,
+ SND_SEQ_EVFLG_NONE,
+ SND_SEQ_EVFLG_RAW,
+ SND_SEQ_EVFLG_FIXED,
+ SND_SEQ_EVFLG_VARIABLE,
+ SND_SEQ_EVFLG_VARUSR
+};
+
+enum {
+ SND_SEQ_EVFLG_NOTE_ONEARG,
+ SND_SEQ_EVFLG_NOTE_TWOARG
+};
+
+enum {
+ SND_SEQ_EVFLG_QUEUE_NOARG,
+ SND_SEQ_EVFLG_QUEUE_TICK,
+ SND_SEQ_EVFLG_QUEUE_TIME,
+ SND_SEQ_EVFLG_QUEUE_VALUE
+};
+
+/**
+ * Exported event type table
+ *
+ * This table is referred by snd_seq_ev_is_xxx.
+ */
+extern const unsigned int snd_seq_event_types[];
+
+#define _SND_SEQ_TYPE(x) (1<<(x)) /**< master type - 24bit */
+#define _SND_SEQ_TYPE_OPT(x) ((x)<<24) /**< optional type - 8bit */
+
+/** check the event type */
+#define snd_seq_type_check(ev,x) (snd_seq_event_types[(ev)->type] & _SND_SEQ_TYPE(x))
+
+/** event type check: result events */
+#define snd_seq_ev_is_result_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_RESULT)
+/** event type check: note events */
+#define snd_seq_ev_is_note_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_NOTE)
+/** event type check: control events */
+#define snd_seq_ev_is_control_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_CONTROL)
+/** event type check: channel specific events */
+#define snd_seq_ev_is_channel_type(ev) \
+ (snd_seq_event_types[(ev)->type] & (_SND_SEQ_TYPE(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_CONTROL)))
+
+/** event type check: queue control events */
+#define snd_seq_ev_is_queue_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_QUEUE)
+/** event type check: system status messages */
+#define snd_seq_ev_is_message_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_MESSAGE)
+/** event type check: system status messages */
+#define snd_seq_ev_is_subscribe_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_CONNECTION)
+/** event type check: sample messages */
+#define snd_seq_ev_is_sample_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_SAMPLE)
+/** event type check: user-defined messages */
+#define snd_seq_ev_is_user_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_USERS)
+/** event type check: instrument layer events */
+#define snd_seq_ev_is_instr_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_INSTR)
+/** event type check: fixed length events */
+#define snd_seq_ev_is_fixed_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_FIXED)
+/** event type check: variable length events */
+#define snd_seq_ev_is_variable_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_VARIABLE)
+/** event type check: user pointer events */
+#define snd_seq_ev_is_varusr_type(ev) \
+ snd_seq_type_check(ev, SND_SEQ_EVFLG_VARUSR)
+/** event type check: reserved for kernel */
+#define snd_seq_ev_is_reserved(ev) \
+ (! snd_seq_event_types[(ev)->type])
+
+/**
+ * macros to check event flags
+ */
+/** prior events */
+#define snd_seq_ev_is_prior(ev) \
+ (((ev)->flags & SND_SEQ_PRIORITY_MASK) == SND_SEQ_PRIORITY_HIGH)
+
+/** get the data length type */
+#define snd_seq_ev_length_type(ev) \
+ ((ev)->flags & SND_SEQ_EVENT_LENGTH_MASK)
+/** fixed length events */
+#define snd_seq_ev_is_fixed(ev) \
+ (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_FIXED)
+/** variable length events */
+#define snd_seq_ev_is_variable(ev) \
+ (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARIABLE)
+/** variable length on user-space */
+#define snd_seq_ev_is_varusr(ev) \
+ (snd_seq_ev_length_type(ev) == SND_SEQ_EVENT_LENGTH_VARUSR)
+
+/** time-stamp type */
+#define snd_seq_ev_timestamp_type(ev) \
+ ((ev)->flags & SND_SEQ_TIME_STAMP_MASK)
+/** event is in tick time */
+#define snd_seq_ev_is_tick(ev) \
+ (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_TICK)
+/** event is in real-time */
+#define snd_seq_ev_is_real(ev) \
+ (snd_seq_ev_timestamp_type(ev) == SND_SEQ_TIME_STAMP_REAL)
+
+/** time-mode type */
+#define snd_seq_ev_timemode_type(ev) \
+ ((ev)->flags & SND_SEQ_TIME_MODE_MASK)
+/** scheduled in absolute time */
+#define snd_seq_ev_is_abstime(ev) \
+ (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_ABS)
+/** scheduled in relative time */
+#define snd_seq_ev_is_reltime(ev) \
+ (snd_seq_ev_timemode_type(ev) == SND_SEQ_TIME_MODE_REL)
+
+/** direct dispatched events */
+#define snd_seq_ev_is_direct(ev) \
+ ((ev)->queue == SND_SEQ_QUEUE_DIRECT)
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_SEQ_H */
+
diff --git a/include/seq_event.h b/include/seq_event.h
new file mode 100644
index 0000000..6bd0de3
--- /dev/null
+++ b/include/seq_event.h
@@ -0,0 +1,325 @@
+/**
+ * \file include/seq_event.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_SEQ_EVENT_H
+#define __ALSA_SEQ_EVENT_H
+
+/**
+ * \defgroup SeqEvents Sequencer Event Definitions
+ * Sequencer Event Definitions
+ * \ingroup Sequencer
+ * \{
+ */
+
+/**
+ * Sequencer event data type
+ */
+typedef unsigned char snd_seq_event_type_t;
+
+/** Sequencer event type */
+enum snd_seq_event_type {
+ /** system status; event data type = #snd_seq_result_t */
+ SND_SEQ_EVENT_SYSTEM = 0,
+ /** returned result status; event data type = #snd_seq_result_t */
+ SND_SEQ_EVENT_RESULT,
+
+ /** note on and off with duration; event data type = #snd_seq_ev_note_t */
+ SND_SEQ_EVENT_NOTE = 5,
+ /** note on; event data type = #snd_seq_ev_note_t */
+ SND_SEQ_EVENT_NOTEON,
+ /** note off; event data type = #snd_seq_ev_note_t */
+ SND_SEQ_EVENT_NOTEOFF,
+ /** key pressure change (aftertouch); event data type = #snd_seq_ev_note_t */
+ SND_SEQ_EVENT_KEYPRESS,
+
+ /** controller; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_CONTROLLER = 10,
+ /** program change; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_PGMCHANGE,
+ /** channel pressure; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_CHANPRESS,
+ /** pitchwheel; event data type = #snd_seq_ev_ctrl_t; data is from -8192 to 8191) */
+ SND_SEQ_EVENT_PITCHBEND,
+ /** 14 bit controller value; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_CONTROL14,
+ /** 14 bit NRPN; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_NONREGPARAM,
+ /** 14 bit RPN; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_REGPARAM,
+
+ /** SPP with LSB and MSB values; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_SONGPOS = 20,
+ /** Song Select with song ID number; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_SONGSEL,
+ /** midi time code quarter frame; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_QFRAME,
+ /** SMF Time Signature event; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_TIMESIGN,
+ /** SMF Key Signature event; event data type = #snd_seq_ev_ctrl_t */
+ SND_SEQ_EVENT_KEYSIGN,
+
+ /** MIDI Real Time Start message; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_START = 30,
+ /** MIDI Real Time Continue message; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_CONTINUE,
+ /** MIDI Real Time Stop message; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_STOP,
+ /** Set tick queue position; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_SETPOS_TICK,
+ /** Set real-time queue position; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_SETPOS_TIME,
+ /** (SMF) Tempo event; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_TEMPO,
+ /** MIDI Real Time Clock message; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_CLOCK,
+ /** MIDI Real Time Tick message; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_TICK,
+ /** Queue timer skew; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_QUEUE_SKEW,
+ /** Sync position changed; event data type = #snd_seq_ev_queue_control_t */
+ SND_SEQ_EVENT_SYNC_POS,
+
+ /** Tune request; event data type = none */
+ SND_SEQ_EVENT_TUNE_REQUEST = 40,
+ /** Reset to power-on state; event data type = none */
+ SND_SEQ_EVENT_RESET,
+ /** Active sensing event; event data type = none */
+ SND_SEQ_EVENT_SENSING,
+
+ /** Echo-back event; event data type = any type */
+ SND_SEQ_EVENT_ECHO = 50,
+ /** OSS emulation raw event; event data type = any type */
+ SND_SEQ_EVENT_OSS,
+
+ /** New client has connected; event data type = #snd_seq_addr_t */
+ SND_SEQ_EVENT_CLIENT_START = 60,
+ /** Client has left the system; event data type = #snd_seq_addr_t */
+ SND_SEQ_EVENT_CLIENT_EXIT,
+ /** Client status/info has changed; event data type = #snd_seq_addr_t */
+ SND_SEQ_EVENT_CLIENT_CHANGE,
+ /** New port was created; event data type = #snd_seq_addr_t */
+ SND_SEQ_EVENT_PORT_START,
+ /** Port was deleted from system; event data type = #snd_seq_addr_t */
+ SND_SEQ_EVENT_PORT_EXIT,
+ /** Port status/info has changed; event data type = #snd_seq_addr_t */
+ SND_SEQ_EVENT_PORT_CHANGE,
+
+ /** Ports connected; event data type = #snd_seq_connect_t */
+ SND_SEQ_EVENT_PORT_SUBSCRIBED,
+ /** Ports disconnected; event data type = #snd_seq_connect_t */
+ SND_SEQ_EVENT_PORT_UNSUBSCRIBED,
+
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR0 = 90,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR1,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR2,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR3,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR4,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR5,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR6,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR7,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR8,
+ /** user-defined event; event data type = any (fixed size) */
+ SND_SEQ_EVENT_USR9,
+
+ /** system exclusive data (variable length); event data type = #snd_seq_ev_ext_t */
+ SND_SEQ_EVENT_SYSEX = 130,
+ /** error event; event data type = #snd_seq_ev_ext_t */
+ SND_SEQ_EVENT_BOUNCE,
+ /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
+ SND_SEQ_EVENT_USR_VAR0 = 135,
+ /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
+ SND_SEQ_EVENT_USR_VAR1,
+ /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
+ SND_SEQ_EVENT_USR_VAR2,
+ /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
+ SND_SEQ_EVENT_USR_VAR3,
+ /** reserved for user apps; event data type = #snd_seq_ev_ext_t */
+ SND_SEQ_EVENT_USR_VAR4,
+
+ /** NOP; ignored in any case */
+ SND_SEQ_EVENT_NONE = 255
+};
+
+
+/** Sequencer event address */
+typedef struct snd_seq_addr {
+ unsigned char client; /**< Client id */
+ unsigned char port; /**< Port id */
+} snd_seq_addr_t;
+
+/** Connection (subscription) between ports */
+typedef struct snd_seq_connect {
+ snd_seq_addr_t sender; /**< sender address */
+ snd_seq_addr_t dest; /**< destination address */
+} snd_seq_connect_t;
+
+
+/** Real-time data record */
+typedef struct snd_seq_real_time {
+ unsigned int tv_sec; /**< seconds */
+ unsigned int tv_nsec; /**< nanoseconds */
+} snd_seq_real_time_t;
+
+/** (MIDI) Tick-time data record */
+typedef unsigned int snd_seq_tick_time_t;
+
+/** unioned time stamp */
+typedef union snd_seq_timestamp {
+ snd_seq_tick_time_t tick; /**< tick-time */
+ struct snd_seq_real_time time; /**< real-time */
+} snd_seq_timestamp_t;
+
+
+/**
+ * Event mode flags
+ *
+ * NOTE: only 8 bits available!
+ */
+#define SND_SEQ_TIME_STAMP_TICK (0<<0) /**< timestamp in clock ticks */
+#define SND_SEQ_TIME_STAMP_REAL (1<<0) /**< timestamp in real time */
+#define SND_SEQ_TIME_STAMP_MASK (1<<0) /**< mask for timestamp bits */
+
+#define SND_SEQ_TIME_MODE_ABS (0<<1) /**< absolute timestamp */
+#define SND_SEQ_TIME_MODE_REL (1<<1) /**< relative to current time */
+#define SND_SEQ_TIME_MODE_MASK (1<<1) /**< mask for time mode bits */
+
+#define SND_SEQ_EVENT_LENGTH_FIXED (0<<2) /**< fixed event size */
+#define SND_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /**< variable event size */
+#define SND_SEQ_EVENT_LENGTH_VARUSR (2<<2) /**< variable event size - user memory space */
+#define SND_SEQ_EVENT_LENGTH_MASK (3<<2) /**< mask for event length bits */
+
+#define SND_SEQ_PRIORITY_NORMAL (0<<4) /**< normal priority */
+#define SND_SEQ_PRIORITY_HIGH (1<<4) /**< event should be processed before others */
+#define SND_SEQ_PRIORITY_MASK (1<<4) /**< mask for priority bits */
+
+
+/** Note event */
+typedef struct snd_seq_ev_note {
+ unsigned char channel; /**< channel number */
+ unsigned char note; /**< note */
+ unsigned char velocity; /**< velocity */
+ unsigned char off_velocity; /**< note-off velocity; only for #SND_SEQ_EVENT_NOTE */
+ unsigned int duration; /**< duration until note-off; only for #SND_SEQ_EVENT_NOTE */
+} snd_seq_ev_note_t;
+
+/** Controller event */
+typedef struct snd_seq_ev_ctrl {
+ unsigned char channel; /**< channel number */
+ unsigned char unused[3]; /**< reserved */
+ unsigned int param; /**< control parameter */
+ signed int value; /**< control value */
+} snd_seq_ev_ctrl_t;
+
+/** generic set of bytes (12x8 bit) */
+typedef struct snd_seq_ev_raw8 {
+ unsigned char d[12]; /**< 8 bit value */
+} snd_seq_ev_raw8_t;
+
+/** generic set of integers (3x32 bit) */
+typedef struct snd_seq_ev_raw32 {
+ unsigned int d[3]; /**< 32 bit value */
+} snd_seq_ev_raw32_t;
+
+/** external stored data */
+struct snd_seq_ev_ext {
+ unsigned int len; /**< length of data */
+ void *ptr; /**< pointer to data (note: can be 64-bit) */
+} __attribute__((packed));
+/** external stored data */
+typedef struct snd_seq_ev_ext snd_seq_ev_ext_t;
+#ifdef DOC_HIDDEN
+/* redefine typedef for stupid doxygen */
+typedef snd_seq_ev_ext snd_seq_ev_ext_t;
+#endif
+
+/** Result events */
+typedef struct snd_seq_result {
+ int event; /**< processed event type */
+ int result; /**< status */
+} snd_seq_result_t;
+
+/** Queue skew values */
+typedef struct snd_seq_queue_skew {
+ unsigned int value; /**< skew value */
+ unsigned int base; /**< skew base */
+} snd_seq_queue_skew_t;
+
+/** queue timer control */
+typedef struct snd_seq_ev_queue_control {
+ unsigned char queue; /**< affected queue */
+ unsigned char unused[3]; /**< reserved */
+ union {
+ signed int value; /**< affected value (e.g. tempo) */
+ snd_seq_timestamp_t time; /**< time */
+ unsigned int position; /**< sync position */
+ snd_seq_queue_skew_t skew; /**< queue skew */
+ unsigned int d32[2]; /**< any data */
+ unsigned char d8[8]; /**< any data */
+ } param; /**< data value union */
+} snd_seq_ev_queue_control_t;
+
+
+/** Sequencer event */
+typedef struct snd_seq_event {
+ snd_seq_event_type_t type; /**< event type */
+ unsigned char flags; /**< event flags */
+ unsigned char tag; /**< tag */
+
+ unsigned char queue; /**< schedule queue */
+ snd_seq_timestamp_t time; /**< schedule time */
+
+ snd_seq_addr_t source; /**< source address */
+ snd_seq_addr_t dest; /**< destination address */
+
+ union {
+ snd_seq_ev_note_t note; /**< note information */
+ snd_seq_ev_ctrl_t control; /**< MIDI control information */
+ snd_seq_ev_raw8_t raw8; /**< raw8 data */
+ snd_seq_ev_raw32_t raw32; /**< raw32 data */
+ snd_seq_ev_ext_t ext; /**< external data */
+ snd_seq_ev_queue_control_t queue; /**< queue control */
+ snd_seq_timestamp_t time; /**< timestamp */
+ snd_seq_addr_t addr; /**< address */
+ snd_seq_connect_t connect; /**< connect information */
+ snd_seq_result_t result; /**< operation result code */
+ } data; /**< event data... */
+} snd_seq_event_t;
+
+
+/** \} */
+
+#endif /* __ALSA_SEQ_EVENT_H */
+
diff --git a/include/seq_midi_event.h b/include/seq_midi_event.h
new file mode 100644
index 0000000..9b8ee59
--- /dev/null
+++ b/include/seq_midi_event.h
@@ -0,0 +1,65 @@
+/**
+ * \file include/seq_midi_event.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_SEQ_MIDI_EVENT_H
+#define __ALSA_SEQ_MIDI_EVENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup MIDI_Event Sequencer event <-> MIDI byte stream coder
+ * \ingroup Sequencer
+ * Sequencer event <-> MIDI byte stream coder
+ * \{
+ */
+
+/** container for sequencer midi event parsers */
+typedef struct snd_midi_event snd_midi_event_t;
+
+int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev);
+int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize);
+void snd_midi_event_free(snd_midi_event_t *dev);
+void snd_midi_event_init(snd_midi_event_t *dev);
+void snd_midi_event_reset_encode(snd_midi_event_t *dev);
+void snd_midi_event_reset_decode(snd_midi_event_t *dev);
+void snd_midi_event_no_status(snd_midi_event_t *dev, int on);
+/* encode from byte stream - return number of written bytes if success */
+long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev);
+int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev);
+/* decode from event to bytes - return number of written bytes if success */
+long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_SEQ_MIDI_EVENT_H */
+
diff --git a/include/seqmid.h b/include/seqmid.h
new file mode 100644
index 0000000..68069b2
--- /dev/null
+++ b/include/seqmid.h
@@ -0,0 +1,490 @@
+/**
+ * \file include/seqmid.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_SEQMID_H
+#define __ALSA_SEQMID_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup SeqMiddle Sequencer Middle Level Interface
+ * Sequencer Middle Level Interface
+ * \ingroup Sequencer
+ * \{
+ */
+
+/**
+ * \brief initialize event record
+ * \param ev event record pointer
+ *
+ * This macro clears the given event record pointer to the default status.
+ */
+#define snd_seq_ev_clear(ev) \
+ memset(ev, 0, sizeof(snd_seq_event_t))
+
+/**
+ * \brief set the tag for given event
+ * \param ev event record
+ * \param t event tag
+ *
+ * This macro sets the tag to the given event record.
+ */
+#define snd_seq_ev_set_tag(ev,t) \
+ ((ev)->tag = (t))
+
+/**
+ * \brief set the explicit destination
+ * \param ev event record
+ * \param c destination client id
+ * \param p destination port id
+ *
+ * This macro sets the client and port id numbers to the given event record.
+ *
+ * \sa snd_seq_ev_set_subs()
+ */
+#define snd_seq_ev_set_dest(ev,c,p) \
+ ((ev)->dest.client = (c), (ev)->dest.port = (p))
+
+/**
+ * \brief set broadcasting to subscribers
+ * \param ev event record
+ *
+ * This macro sets the destination as the subscribers.
+ *
+ * \sa snd_seq_ev_set_dest()
+ */
+#define snd_seq_ev_set_subs(ev) \
+ ((ev)->dest.client = SND_SEQ_ADDRESS_SUBSCRIBERS,\
+ (ev)->dest.port = SND_SEQ_ADDRESS_UNKNOWN)
+
+/**
+ * \brief set broadcasting to all clients/ports
+ * \param ev event record
+ *
+ * This macro sets the destination as the broadcasting.
+ *
+ * \sa snd_seq_ev_set_dest()
+ */
+#define snd_seq_ev_set_broadcast(ev) \
+ ((ev)->dest.client = SND_SEQ_ADDRESS_BROADCAST,\
+ (ev)->dest.port = SND_SEQ_ADDRESS_BROADCAST)
+
+/**
+ * \brief set the source port
+ * \param ev event record
+ * \param p source port id
+ *
+ * This macro sets the source port id number.
+ */
+#define snd_seq_ev_set_source(ev,p) \
+ ((ev)->source.port = (p))
+
+/**
+ * \brief set direct passing mode (without queued)
+ * \param ev event instance
+ *
+ * This macro sets the event to the direct passing mode
+ * to be delivered immediately without queueing.
+ *
+ * \sa snd_seq_ev_schedule_tick(), snd_seq_ev_schedule_real()
+ */
+#define snd_seq_ev_set_direct(ev) \
+ ((ev)->queue = SND_SEQ_QUEUE_DIRECT)
+
+/**
+ * \brief set tick-scheduling mode on queue
+ * \param ev event instance
+ * \param q queue id to schedule
+ * \param relative relative time-stamp if non-zero
+ * \param ttick tick time-stamp to be delivered
+ *
+ * This macro sets the scheduling of the event in the
+ * MIDI tick mode.
+ *
+ * \sa snd_seq_ev_schedule_real(), snd_seq_ev_set_direct()
+ */
+#define snd_seq_ev_schedule_tick(ev, q, relative, ttick) \
+ ((ev)->flags &= ~(SND_SEQ_TIME_STAMP_MASK | SND_SEQ_TIME_MODE_MASK),\
+ (ev)->flags |= SND_SEQ_TIME_STAMP_TICK,\
+ (ev)->flags |= (relative) ? SND_SEQ_TIME_MODE_REL : SND_SEQ_TIME_MODE_ABS,\
+ (ev)->time.tick = (ttick),\
+ (ev)->queue = (q))
+
+/**
+ * \brief set real-time-scheduling mode on queue
+ * \param ev event instance
+ * \param q queue id to schedule
+ * \param relative relative time-stamp if non-zero
+ * \param rtime time-stamp to be delivered
+ *
+ * This macro sets the scheduling of the event in the
+ * realtime mode.
+ *
+ * \sa snd_seq_ev_schedule_tick(), snd_seq_ev_set_direct()
+ */
+#define snd_seq_ev_schedule_real(ev, q, relative, rtime) \
+ ((ev)->flags &= ~(SND_SEQ_TIME_STAMP_MASK | SND_SEQ_TIME_MODE_MASK),\
+ (ev)->flags |= SND_SEQ_TIME_STAMP_REAL,\
+ (ev)->flags |= (relative) ? SND_SEQ_TIME_MODE_REL : SND_SEQ_TIME_MODE_ABS,\
+ (ev)->time.time = *(rtime),\
+ (ev)->queue = (q))
+
+/**
+ * \brief set event priority
+ * \param ev event instance
+ * \param high_prior 1 for high priority mode
+ */
+#define snd_seq_ev_set_priority(ev, high_prior) \
+ ((ev)->flags &= ~SND_SEQ_PRIORITY_MASK,\
+ (ev)->flags |= (high_prior) ? SND_SEQ_PRIORITY_HIGH : SND_SEQ_PRIORITY_NORMAL)
+
+/**
+ * \brief set fixed data
+ * \param ev event instance
+ *
+ * Sets the event length mode as fixed size.
+ *
+ * \sa snd_seq_ev_set_variable(), snd_seq_ev_set_varusr()
+ */
+#define snd_seq_ev_set_fixed(ev) \
+ ((ev)->flags &= ~SND_SEQ_EVENT_LENGTH_MASK,\
+ (ev)->flags |= SND_SEQ_EVENT_LENGTH_FIXED)
+
+/**
+ * \brief set variable data
+ * \param ev event instance
+ * \param datalen length of the external data
+ * \param dataptr pointer of the external data
+ *
+ * Sets the event length mode as variable length and stores the data.
+ *
+ * \sa snd_seq_ev_set_fixed(), snd_seq_ev_set_varusr()
+ */
+#define snd_seq_ev_set_variable(ev, datalen, dataptr) \
+ ((ev)->flags &= ~SND_SEQ_EVENT_LENGTH_MASK,\
+ (ev)->flags |= SND_SEQ_EVENT_LENGTH_VARIABLE,\
+ (ev)->data.ext.len = (datalen),\
+ (ev)->data.ext.ptr = (dataptr))
+
+/**
+ * \brief set varusr data
+ * \param ev event instance
+ * \param datalen length of the external data
+ * \param dataptr pointer of the external data
+ *
+ * Sets the event length mode as variable user-space data and stores the data.
+ *
+ * \sa snd_seq_ev_set_fixed(), snd_seq_ev_set_variable()
+ */
+#define snd_seq_ev_set_varusr(ev, datalen, dataptr) \
+ ((ev)->flags &= ~SND_SEQ_EVENT_LENGTH_MASK,\
+ (ev)->flags |= SND_SEQ_EVENT_LENGTH_VARUSR,\
+ (ev)->data.ext.len = (datalen),\
+ (ev)->data.ext.ptr = (dataptr))
+
+/**
+ * \brief set queue controls
+ * \param ev event record
+ * \param typ event type
+ * \param q queue id
+ * \param val control value
+ */
+#define snd_seq_ev_set_queue_control(ev, typ, q, val) \
+ ((ev)->type = (typ),\
+ snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\
+ (ev)->data.queue.queue = (q),\
+ (ev)->data.queue.param.value = (val))
+
+/**
+ * \brief set the start queue event
+ * \param ev event record
+ * \param q queue id to start
+ *
+ * \sa snd_seq_ev_set_queue_stop(), snd_seq_ev_set_queue_continue()
+ */
+#define snd_seq_ev_set_queue_start(ev, q) \
+ snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_START, q, 0)
+
+/**
+ * \brief set the stop queue event
+ * \param ev event record
+ * \param q queue id to stop
+ *
+ * \sa snd_seq_ev_set_queue_start(), snd_seq_ev_set_queue_continue()
+ */
+#define snd_seq_ev_set_queue_stop(ev, q) \
+ snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_STOP, q, 0)
+
+/**
+ * \brief set the stop queue event
+ * \param ev event record
+ * \param q queue id to continue
+ *
+ * \sa snd_seq_ev_set_queue_start(), snd_seq_ev_set_queue_stop()
+ */
+#define snd_seq_ev_set_queue_continue(ev, q) \
+ snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_CONTINUE, q, 0)
+
+/**
+ * \brief set the stop queue event
+ * \param ev event record
+ * \param q queue id to change tempo
+ * \param val the new tempo value
+ */
+#define snd_seq_ev_set_queue_tempo(ev, q, val) \
+ snd_seq_ev_set_queue_control(ev, SND_SEQ_EVENT_TEMPO, q, val)
+
+/**
+ * \brief set the real-time position of a queue
+ * \param ev event record
+ * \param q queue id to change tempo
+ * \param rtime the new real-time pointer
+ */
+#define snd_seq_ev_set_queue_pos_real(ev, q, rtime) \
+ ((ev)->type = SND_SEQ_EVENT_SETPOS_TIME,\
+ snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\
+ (ev)->data.queue.queue = (q),\
+ (ev)->data.queue.param.time.time = *(rtime))
+
+/**
+ * \brief set the tick-time position of a queue
+ * \param ev event record
+ * \param q queue id to change tempo
+ * \param ttime the new tick-time
+ */
+#define snd_seq_ev_set_queue_pos_tick(ev, q, ttime) \
+ ((ev)->type = SND_SEQ_EVENT_SETPOS_TICK,\
+ snd_seq_ev_set_dest(ev, SND_SEQ_CLIENT_SYSTEM, SND_SEQ_PORT_SYSTEM_TIMER),\
+ (ev)->data.queue.queue = (q),\
+ (ev)->data.queue.param.time.tick = (ttime))
+
+/* set and send a queue control event */
+int snd_seq_control_queue(snd_seq_t *seq, int q, int type, int value, snd_seq_event_t *ev);
+
+/**
+ * \brief start the specified queue
+ * \param seq sequencer handle
+ * \param q queue id to start
+ * \param ev optional event record (see #snd_seq_control_queue)
+ */
+#define snd_seq_start_queue(seq, q, ev) \
+ snd_seq_control_queue(seq, q, SND_SEQ_EVENT_START, 0, ev)
+
+/**
+ * \brief stop the specified queue
+ * \param seq sequencer handle
+ * \param q queue id to stop
+ * \param ev optional event record (see #snd_seq_control_queue)
+ */
+#define snd_seq_stop_queue(seq, q, ev) \
+ snd_seq_control_queue(seq, q, SND_SEQ_EVENT_STOP, 0, ev)
+
+/**
+ * \brief continue the specified queue
+ * \param seq sequencer handle
+ * \param q queue id to continue
+ * \param ev optional event record (see #snd_seq_control_queue)
+ */
+#define snd_seq_continue_queue(seq, q, ev) \
+ snd_seq_control_queue(seq, q, SND_SEQ_EVENT_CONTINUE, 0, ev)
+
+/**
+ * \brief change the tempo of the specified queue
+ * \param seq sequencer handle
+ * \param q queue id
+ * \param tempo the new tempo value
+ * \param ev optional event record (see #snd_seq_control_queue)
+ */
+#define snd_seq_change_queue_tempo(seq, q, tempo, ev) \
+ snd_seq_control_queue(seq, q, SND_SEQ_EVENT_TEMPO, tempo, ev)
+
+/* create a port - simple version - return the port number */
+int snd_seq_create_simple_port(snd_seq_t *seq, const char *name,
+ unsigned int caps, unsigned int type);
+/* delete the port */
+int snd_seq_delete_simple_port(snd_seq_t *seq, int port);
+
+/* simple subscription between this port and another port
+ (w/o exclusive & time conversion)
+ */
+int snd_seq_connect_from(snd_seq_t *seq, int my_port, int src_client, int src_port);
+int snd_seq_connect_to(snd_seq_t *seq, int my_port, int dest_client, int dest_port);
+int snd_seq_disconnect_from(snd_seq_t *seq, int my_port, int src_client, int src_port);
+int snd_seq_disconnect_to(snd_seq_t *seq, int my_port, int dest_client, int dest_port);
+
+/*
+ * set client information
+ */
+int snd_seq_set_client_name(snd_seq_t *seq, const char *name);
+int snd_seq_set_client_event_filter(snd_seq_t *seq, int event_type);
+int snd_seq_set_client_pool_output(snd_seq_t *seq, size_t size);
+int snd_seq_set_client_pool_output_room(snd_seq_t *seq, size_t size);
+int snd_seq_set_client_pool_input(snd_seq_t *seq, size_t size);
+/* sync output queue */
+int snd_seq_sync_output_queue(snd_seq_t *seq);
+
+/*
+ * parse the given string and get the sequencer address
+ */
+int snd_seq_parse_address(snd_seq_t *seq, snd_seq_addr_t *addr, const char *str);
+
+/*
+ * reset client input/output pool
+ */
+int snd_seq_reset_pool_output(snd_seq_t *seq);
+int snd_seq_reset_pool_input(snd_seq_t *seq);
+
+/**
+ * \brief set note event
+ * \param ev event record
+ * \param ch channel number
+ * \param key note key
+ * \param vel velocity
+ * \param dur duration (in tick or msec)
+ */
+#define snd_seq_ev_set_note(ev, ch, key, vel, dur) \
+ ((ev)->type = SND_SEQ_EVENT_NOTE,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.note.channel = (ch),\
+ (ev)->data.note.note = (key),\
+ (ev)->data.note.velocity = (vel),\
+ (ev)->data.note.duration = (dur))
+
+/**
+ * \brief set note-on event
+ * \param ev event record
+ * \param ch channel number
+ * \param key note key
+ * \param vel velocity
+ */
+#define snd_seq_ev_set_noteon(ev, ch, key, vel) \
+ ((ev)->type = SND_SEQ_EVENT_NOTEON,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.note.channel = (ch),\
+ (ev)->data.note.note = (key),\
+ (ev)->data.note.velocity = (vel))
+
+/**
+ * \brief set note-off event
+ * \param ev event record
+ * \param ch channel number
+ * \param key note key
+ * \param vel velocity
+ */
+#define snd_seq_ev_set_noteoff(ev, ch, key, vel) \
+ ((ev)->type = SND_SEQ_EVENT_NOTEOFF,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.note.channel = (ch),\
+ (ev)->data.note.note = (key),\
+ (ev)->data.note.velocity = (vel))
+
+/**
+ * \brief set key-pressure event
+ * \param ev event record
+ * \param ch channel number
+ * \param key note key
+ * \param vel velocity
+ */
+#define snd_seq_ev_set_keypress(ev,ch,key,vel) \
+ ((ev)->type = SND_SEQ_EVENT_KEYPRESS,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.note.channel = (ch),\
+ (ev)->data.note.note = (key),\
+ (ev)->data.note.velocity = (vel))
+
+/**
+ * \brief set MIDI controller event
+ * \param ev event record
+ * \param ch channel number
+ * \param cc controller number
+ * \param val control value
+ */
+#define snd_seq_ev_set_controller(ev,ch,cc,val) \
+ ((ev)->type = SND_SEQ_EVENT_CONTROLLER,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.control.channel = (ch),\
+ (ev)->data.control.param = (cc),\
+ (ev)->data.control.value = (val))
+
+/**
+ * \brief set program change event
+ * \param ev event record
+ * \param ch channel number
+ * \param val program number
+ */
+#define snd_seq_ev_set_pgmchange(ev,ch,val) \
+ ((ev)->type = SND_SEQ_EVENT_PGMCHANGE,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.control.channel = (ch),\
+ (ev)->data.control.value = (val))
+
+/**
+ * \brief set pitch-bend event
+ * \param ev event record
+ * \param ch channel number
+ * \param val pitch bend; zero centered from -8192 to 8191
+ */
+#define snd_seq_ev_set_pitchbend(ev,ch,val) \
+ ((ev)->type = SND_SEQ_EVENT_PITCHBEND,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.control.channel = (ch),\
+ (ev)->data.control.value = (val))
+
+/**
+ * \brief set channel pressure event
+ * \param ev event record
+ * \param ch channel number
+ * \param val channel pressure value
+ */
+#define snd_seq_ev_set_chanpress(ev,ch,val) \
+ ((ev)->type = SND_SEQ_EVENT_CHANPRESS,\
+ snd_seq_ev_set_fixed(ev),\
+ (ev)->data.control.channel = (ch),\
+ (ev)->data.control.value = (val))
+
+/**
+ * \brief set sysex event
+ * \param ev event record
+ * \param datalen length of sysex data
+ * \param dataptr sysex data pointer
+ *
+ * the sysex data must contain the start byte 0xf0 and the end byte 0xf7.
+ */
+#define snd_seq_ev_set_sysex(ev,datalen,dataptr) \
+ ((ev)->type = SND_SEQ_EVENT_SYSEX,\
+ snd_seq_ev_set_variable(ev, datalen, dataptr))
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_SEQMID_H */
+
diff --git a/include/sound/Makefile.am b/include/sound/Makefile.am
new file mode 100644
index 0000000..31aa2db
--- /dev/null
+++ b/include/sound/Makefile.am
@@ -0,0 +1,6 @@
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+
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new file mode 100644
index 0000000..60d5117
--- /dev/null
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+alsasoundinclude_HEADERS = asound_fm.h hdsp.h hdspm.h sb16_csp.h \
+ sscape_ioctl.h emu10k1.h type_compat.h
+
+noinst_HEADERS = asound.h asoundef.h asequencer.h
+all: all-am
+
+.SUFFIXES:
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+ && { if test -f $@; then exit 0; else break; fi; }; \
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+ $(AUTOMAKE) --foreign include/sound/Makefile
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+ @$(NORMAL_INSTALL)
+ @list='$(alsasoundinclude_HEADERS)'; test -n "$(alsasoundincludedir)" || list=; \
+ if test -n "$$list"; then \
+ echo " $(MKDIR_P) '$(DESTDIR)$(alsasoundincludedir)'"; \
+ $(MKDIR_P) "$(DESTDIR)$(alsasoundincludedir)" || exit 1; \
+ fi; \
+ for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
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+ done | $(am__base_list) | \
+ while read files; do \
+ echo " $(INSTALL_HEADER) $$files '$(DESTDIR)$(alsasoundincludedir)'"; \
+ $(INSTALL_HEADER) $$files "$(DESTDIR)$(alsasoundincludedir)" || exit $$?; \
+ done
+
+uninstall-alsasoundincludeHEADERS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(alsasoundinclude_HEADERS)'; test -n "$(alsasoundincludedir)" || list=; \
+ files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+ dir='$(DESTDIR)$(alsasoundincludedir)'; $(am__uninstall_files_from_dir)
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+ctags: CTAGS
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+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+GTAGS:
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+ && gtags -i $(GTAGS_ARGS) "$$here"
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+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
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+ test -f "$(distdir)/$$file" \
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+ done
+check-am: all-am
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+ for dir in "$(DESTDIR)$(alsasoundincludedir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
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+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
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+dvi: dvi-am
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+ html-am info info-am install install-alsasoundincludeHEADERS \
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+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/include/sound/asequencer.h b/include/sound/asequencer.h
new file mode 100644
index 0000000..09c8a00
--- /dev/null
+++ b/include/sound/asequencer.h
@@ -0,0 +1,614 @@
+/*
+ * Main header file for the ALSA sequencer
+ * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
+ * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef _UAPI__SOUND_ASEQUENCER_H
+#define _UAPI__SOUND_ASEQUENCER_H
+
+
+/** version of the sequencer */
+#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1)
+
+/**
+ * definition of sequencer event types
+ */
+
+/** system messages
+ * event data type = #snd_seq_result
+ */
+#define SNDRV_SEQ_EVENT_SYSTEM 0
+#define SNDRV_SEQ_EVENT_RESULT 1
+
+/** note messages (channel specific)
+ * event data type = #snd_seq_ev_note
+ */
+#define SNDRV_SEQ_EVENT_NOTE 5
+#define SNDRV_SEQ_EVENT_NOTEON 6
+#define SNDRV_SEQ_EVENT_NOTEOFF 7
+#define SNDRV_SEQ_EVENT_KEYPRESS 8
+
+/** control messages (channel specific)
+ * event data type = #snd_seq_ev_ctrl
+ */
+#define SNDRV_SEQ_EVENT_CONTROLLER 10
+#define SNDRV_SEQ_EVENT_PGMCHANGE 11
+#define SNDRV_SEQ_EVENT_CHANPRESS 12
+#define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */
+#define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */
+#define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */
+#define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */
+
+/** synchronisation messages
+ * event data type = #snd_seq_ev_ctrl
+ */
+#define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */
+#define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */
+#define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */
+#define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */
+#define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */
+
+/** timer messages
+ * event data type = snd_seq_ev_queue_control
+ */
+#define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */
+#define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */
+#define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */
+#define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */
+#define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */
+#define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */
+#define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */
+#define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */
+#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */
+
+/** others
+ * event data type = none
+ */
+#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */
+#define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */
+#define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */
+
+/** echo back, kernel private messages
+ * event data type = any type
+ */
+#define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */
+#define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */
+
+/** system status messages (broadcast for subscribers)
+ * event data type = snd_seq_addr
+ */
+#define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */
+#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */
+#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */
+#define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */
+#define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */
+#define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */
+
+/** port connection changes
+ * event data type = snd_seq_connect
+ */
+#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */
+#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */
+
+/* 70-89: synthesizer events - obsoleted */
+
+/** user-defined events with fixed length
+ * event data type = any
+ */
+#define SNDRV_SEQ_EVENT_USR0 90
+#define SNDRV_SEQ_EVENT_USR1 91
+#define SNDRV_SEQ_EVENT_USR2 92
+#define SNDRV_SEQ_EVENT_USR3 93
+#define SNDRV_SEQ_EVENT_USR4 94
+#define SNDRV_SEQ_EVENT_USR5 95
+#define SNDRV_SEQ_EVENT_USR6 96
+#define SNDRV_SEQ_EVENT_USR7 97
+#define SNDRV_SEQ_EVENT_USR8 98
+#define SNDRV_SEQ_EVENT_USR9 99
+
+/* 100-118: instrument layer - obsoleted */
+/* 119-129: reserved */
+
+/* 130-139: variable length events
+ * event data type = snd_seq_ev_ext
+ * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
+ */
+#define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */
+#define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */
+/* 132-134: reserved */
+#define SNDRV_SEQ_EVENT_USR_VAR0 135
+#define SNDRV_SEQ_EVENT_USR_VAR1 136
+#define SNDRV_SEQ_EVENT_USR_VAR2 137
+#define SNDRV_SEQ_EVENT_USR_VAR3 138
+#define SNDRV_SEQ_EVENT_USR_VAR4 139
+
+/* 150-151: kernel events with quote - DO NOT use in user clients */
+#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150
+#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */
+
+/* 152-191: reserved */
+
+/* 192-254: hardware specific events */
+
+/* 255: special event */
+#define SNDRV_SEQ_EVENT_NONE 255
+
+
+typedef unsigned char snd_seq_event_type_t;
+
+/** event address */
+struct snd_seq_addr {
+ unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */
+ unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */
+};
+
+/** port connection */
+struct snd_seq_connect {
+ struct snd_seq_addr sender;
+ struct snd_seq_addr dest;
+};
+
+
+#define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */
+#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */
+#define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */
+#define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */
+
+ /* event mode flag - NOTE: only 8 bits available! */
+#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */
+#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */
+#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)
+
+#define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */
+#define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */
+#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)
+
+#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */
+#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */
+#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */
+#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)
+
+#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */
+#define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */
+#define SNDRV_SEQ_PRIORITY_MASK (1<<4)
+
+
+ /* note event */
+struct snd_seq_ev_note {
+ unsigned char channel;
+ unsigned char note;
+ unsigned char velocity;
+ unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */
+ unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */
+};
+
+ /* controller event */
+struct snd_seq_ev_ctrl {
+ unsigned char channel;
+ unsigned char unused1, unused2, unused3; /* pad */
+ unsigned int param;
+ signed int value;
+};
+
+ /* generic set of bytes (12x8 bit) */
+struct snd_seq_ev_raw8 {
+ unsigned char d[12]; /* 8 bit value */
+};
+
+ /* generic set of integers (3x32 bit) */
+struct snd_seq_ev_raw32 {
+ unsigned int d[3]; /* 32 bit value */
+};
+
+ /* external stored data */
+struct snd_seq_ev_ext {
+ unsigned int len; /* length of data */
+ void *ptr; /* pointer to data (note: maybe 64-bit) */
+} __attribute__((packed));
+
+struct snd_seq_result {
+ int event; /* processed event type */
+ int result;
+};
+
+
+struct snd_seq_real_time {
+ unsigned int tv_sec; /* seconds */
+ unsigned int tv_nsec; /* nanoseconds */
+};
+
+typedef unsigned int snd_seq_tick_time_t; /* midi ticks */
+
+union snd_seq_timestamp {
+ snd_seq_tick_time_t tick;
+ struct snd_seq_real_time time;
+};
+
+struct snd_seq_queue_skew {
+ unsigned int value;
+ unsigned int base;
+};
+
+ /* queue timer control */
+struct snd_seq_ev_queue_control {
+ unsigned char queue; /* affected queue */
+ unsigned char pad[3]; /* reserved */
+ union {
+ signed int value; /* affected value (e.g. tempo) */
+ union snd_seq_timestamp time; /* time */
+ unsigned int position; /* sync position */
+ struct snd_seq_queue_skew skew;
+ unsigned int d32[2];
+ unsigned char d8[8];
+ } param;
+};
+
+ /* quoted event - inside the kernel only */
+struct snd_seq_ev_quote {
+ struct snd_seq_addr origin; /* original sender */
+ unsigned short value; /* optional data */
+ struct snd_seq_event *event; /* quoted event */
+} __attribute__((packed));
+
+
+ /* sequencer event */
+struct snd_seq_event {
+ snd_seq_event_type_t type; /* event type */
+ unsigned char flags; /* event flags */
+ char tag;
+
+ unsigned char queue; /* schedule queue */
+ union snd_seq_timestamp time; /* schedule time */
+
+
+ struct snd_seq_addr source; /* source address */
+ struct snd_seq_addr dest; /* destination address */
+
+ union { /* event data... */
+ struct snd_seq_ev_note note;
+ struct snd_seq_ev_ctrl control;
+ struct snd_seq_ev_raw8 raw8;
+ struct snd_seq_ev_raw32 raw32;
+ struct snd_seq_ev_ext ext;
+ struct snd_seq_ev_queue_control queue;
+ union snd_seq_timestamp time;
+ struct snd_seq_addr addr;
+ struct snd_seq_connect connect;
+ struct snd_seq_result result;
+ struct snd_seq_ev_quote quote;
+ } data;
+};
+
+
+/*
+ * bounce event - stored as variable size data
+ */
+struct snd_seq_event_bounce {
+ int err;
+ struct snd_seq_event event;
+ /* external data follows here. */
+};
+
+
+ /* system information */
+struct snd_seq_system_info {
+ int queues; /* maximum queues count */
+ int clients; /* maximum clients count */
+ int ports; /* maximum ports per client */
+ int channels; /* maximum channels per port */
+ int cur_clients; /* current clients */
+ int cur_queues; /* current queues */
+ char reserved[24];
+};
+
+
+ /* system running information */
+struct snd_seq_running_info {
+ unsigned char client; /* client id */
+ unsigned char big_endian; /* 1 = big-endian */
+ unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */
+ unsigned char pad; /* reserved */
+ unsigned char reserved[12];
+};
+
+
+ /* known client numbers */
+#define SNDRV_SEQ_CLIENT_SYSTEM 0
+ /* internal client numbers */
+#define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */
+#define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */
+
+
+ /* client types */
+typedef int __bitwise snd_seq_client_type_t;
+#define NO_CLIENT ((__force snd_seq_client_type_t) 0)
+#define USER_CLIENT ((__force snd_seq_client_type_t) 1)
+#define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)
+
+ /* event filter flags */
+#define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */
+#define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */
+#define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */
+#define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */
+
+struct snd_seq_client_info {
+ int client; /* client number to inquire */
+ snd_seq_client_type_t type; /* client type */
+ char name[64]; /* client name */
+ unsigned int filter; /* filter flags */
+ unsigned char multicast_filter[8]; /* multicast filter bitmap */
+ unsigned char event_filter[32]; /* event filter bitmap */
+ int num_ports; /* RO: number of ports */
+ int event_lost; /* number of lost events */
+ char reserved[64]; /* for future use */
+};
+
+
+/* client pool size */
+struct snd_seq_client_pool {
+ int client; /* client number to inquire */
+ int output_pool; /* outgoing (write) pool size */
+ int input_pool; /* incoming (read) pool size */
+ int output_room; /* minimum free pool size for select/blocking mode */
+ int output_free; /* unused size */
+ int input_free; /* unused size */
+ char reserved[64];
+};
+
+
+/* Remove events by specified criteria */
+
+#define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */
+#define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */
+#define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */
+#define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */
+#define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */
+#define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */
+#define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */
+#define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */
+#define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */
+#define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */
+
+struct snd_seq_remove_events {
+ unsigned int remove_mode; /* Flags that determine what gets removed */
+
+ union snd_seq_timestamp time;
+
+ unsigned char queue; /* Queue for REMOVE_DEST */
+ struct snd_seq_addr dest; /* Address for REMOVE_DEST */
+ unsigned char channel; /* Channel for REMOVE_DEST */
+
+ int type; /* For REMOVE_EVENT_TYPE */
+ char tag; /* Tag for REMOVE_TAG */
+
+ int reserved[10]; /* To allow for future binary compatibility */
+
+};
+
+
+ /* known port numbers */
+#define SNDRV_SEQ_PORT_SYSTEM_TIMER 0
+#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1
+
+ /* port capabilities (32 bits) */
+#define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */
+#define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */
+
+#define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)
+#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)
+
+#define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)
+
+#define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */
+#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */
+#define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */
+
+ /* port type */
+#define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */
+#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
+#define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */
+#define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */
+#define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */
+#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */
+#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */
+
+/* other standards...*/
+#define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
+#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */
+#define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */
+/*...*/
+#define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */
+#define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */
+#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
+#define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */
+#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
+
+/* misc. conditioning flags */
+#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)
+#define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)
+#define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)
+
+struct snd_seq_port_info {
+ struct snd_seq_addr addr; /* client/port numbers */
+ char name[64]; /* port name */
+
+ unsigned int capability; /* port capability bits */
+ unsigned int type; /* port type bits */
+ int midi_channels; /* channels per MIDI port */
+ int midi_voices; /* voices per MIDI port */
+ int synth_voices; /* voices per SYNTH port */
+
+ int read_use; /* R/O: subscribers for output (from this port) */
+ int write_use; /* R/O: subscribers for input (to this port) */
+
+ void *kernel; /* reserved for kernel use (must be NULL) */
+ unsigned int flags; /* misc. conditioning */
+ unsigned char time_queue; /* queue # for timestamping */
+ char reserved[59]; /* for future use */
+};
+
+
+/* queue flags */
+#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */
+
+/* queue information */
+struct snd_seq_queue_info {
+ int queue; /* queue id */
+
+ /*
+ * security settings, only owner of this queue can start/stop timer
+ * etc. if the queue is locked for other clients
+ */
+ int owner; /* client id for owner of the queue */
+ unsigned locked:1; /* timing queue locked for other queues */
+ char name[64]; /* name of this queue */
+ unsigned int flags; /* flags */
+ char reserved[60]; /* for future use */
+
+};
+
+/* queue info/status */
+struct snd_seq_queue_status {
+ int queue; /* queue id */
+ int events; /* read-only - queue size */
+ snd_seq_tick_time_t tick; /* current tick */
+ struct snd_seq_real_time time; /* current time */
+ int running; /* running state of queue */
+ int flags; /* various flags */
+ char reserved[64]; /* for the future */
+};
+
+
+/* queue tempo */
+struct snd_seq_queue_tempo {
+ int queue; /* sequencer queue */
+ unsigned int tempo; /* current tempo, us/tick */
+ int ppq; /* time resolution, ticks/quarter */
+ unsigned int skew_value; /* queue skew */
+ unsigned int skew_base; /* queue skew base */
+ char reserved[24]; /* for the future */
+};
+
+
+/* sequencer timer sources */
+#define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */
+#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */
+#define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */
+
+/* queue timer info */
+struct snd_seq_queue_timer {
+ int queue; /* sequencer queue */
+ int type; /* source timer type */
+ union {
+ struct {
+ struct snd_timer_id id; /* ALSA's timer ID */
+ unsigned int resolution; /* resolution in Hz */
+ } alsa;
+ } u;
+ char reserved[64]; /* for the future use */
+};
+
+
+struct snd_seq_queue_client {
+ int queue; /* sequencer queue */
+ int client; /* sequencer client */
+ int used; /* queue is used with this client
+ (must be set for accepting events) */
+ /* per client watermarks */
+ char reserved[64]; /* for future use */
+};
+
+
+#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */
+#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)
+#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)
+
+struct snd_seq_port_subscribe {
+ struct snd_seq_addr sender; /* sender address */
+ struct snd_seq_addr dest; /* destination address */
+ unsigned int voices; /* number of voices to be allocated (0 = don't care) */
+ unsigned int flags; /* modes */
+ unsigned char queue; /* input time-stamp queue (optional) */
+ unsigned char pad[3]; /* reserved */
+ char reserved[64];
+};
+
+/* type of query subscription */
+#define SNDRV_SEQ_QUERY_SUBS_READ 0
+#define SNDRV_SEQ_QUERY_SUBS_WRITE 1
+
+struct snd_seq_query_subs {
+ struct snd_seq_addr root; /* client/port id to be searched */
+ int type; /* READ or WRITE */
+ int index; /* 0..N-1 */
+ int num_subs; /* R/O: number of subscriptions on this port */
+ struct snd_seq_addr addr; /* R/O: result */
+ unsigned char queue; /* R/O: result */
+ unsigned int flags; /* R/O: result */
+ char reserved[64]; /* for future use */
+};
+
+
+/*
+ * IOCTL commands
+ */
+
+#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)
+#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)
+#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)
+#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)
+
+#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
+#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
+
+#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)
+#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)
+#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)
+#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)
+
+#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)
+#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
+
+#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)
+#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)
+#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)
+#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)
+#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
+#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
+#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
+#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
+#define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner)
+#define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner)
+#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
+#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
+/* XXX
+#define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct snd_seq_queue_sync)
+#define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct snd_seq_queue_sync)
+*/
+#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)
+#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)
+#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
+#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
+#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)
+#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)
+#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)
+#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)
+#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
+
+#endif /* _UAPI__SOUND_ASEQUENCER_H */
diff --git a/include/sound/asound.h b/include/sound/asound.h
new file mode 100644
index 0000000..1f23cd6
--- /dev/null
+++ b/include/sound/asound.h
@@ -0,0 +1,985 @@
+/*
+ * Advanced Linux Sound Architecture - ALSA - Driver
+ * Copyright (c) 1994-2003 by Jaroslav Kysela <perex@perex.cz>,
+ * Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _UAPI__SOUND_ASOUND_H
+#define _UAPI__SOUND_ASOUND_H
+
+#include <linux/types.h>
+
+
+/*
+ * protocol version
+ */
+
+#define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor))
+#define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff)
+#define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff)
+#define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff)
+#define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \
+ (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \
+ (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \
+ SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion)))
+
+/****************************************************************************
+ * *
+ * Digital audio interface *
+ * *
+ ****************************************************************************/
+
+struct snd_aes_iec958 {
+ unsigned char status[24]; /* AES/IEC958 channel status bits */
+ unsigned char subcode[147]; /* AES/IEC958 subcode bits */
+ unsigned char pad; /* nothing */
+ unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */
+};
+
+/****************************************************************************
+ * *
+ * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort *
+ * *
+ ****************************************************************************/
+
+struct snd_cea_861_aud_if {
+ unsigned char db1_ct_cc; /* coding type and channel count */
+ unsigned char db2_sf_ss; /* sample frequency and size */
+ unsigned char db3; /* not used, all zeros */
+ unsigned char db4_ca; /* channel allocation code */
+ unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */
+};
+
+/****************************************************************************
+ * *
+ * Section for driver hardware dependent interface - /dev/snd/hw? *
+ * *
+ ****************************************************************************/
+
+#define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1)
+
+enum {
+ SNDRV_HWDEP_IFACE_OPL2 = 0,
+ SNDRV_HWDEP_IFACE_OPL3,
+ SNDRV_HWDEP_IFACE_OPL4,
+ SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */
+ SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */
+ SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */
+ SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */
+ SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */
+ SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */
+ SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */
+ SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */
+ SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */
+ SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */
+ SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */
+ SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */
+ SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */
+ SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
+ SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
+ SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
+ SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */
+ SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */
+ SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */
+
+ /* Don't forget to change the following: */
+ SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_OXFW
+};
+
+struct snd_hwdep_info {
+ unsigned int device; /* WR: device number */
+ int card; /* R: card number */
+ unsigned char id[64]; /* ID (user selectable) */
+ unsigned char name[80]; /* hwdep name */
+ int iface; /* hwdep interface */
+ unsigned char reserved[64]; /* reserved for future */
+};
+
+/* generic DSP loader */
+struct snd_hwdep_dsp_status {
+ unsigned int version; /* R: driver-specific version */
+ unsigned char id[32]; /* R: driver-specific ID string */
+ unsigned int num_dsps; /* R: number of DSP images to transfer */
+ unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */
+ unsigned int chip_ready; /* R: 1 = initialization finished */
+ unsigned char reserved[16]; /* reserved for future use */
+};
+
+struct snd_hwdep_dsp_image {
+ unsigned int index; /* W: DSP index */
+ unsigned char name[64]; /* W: ID (e.g. file name) */
+ unsigned char __user *image; /* W: binary image */
+ size_t length; /* W: size of image in bytes */
+ unsigned long driver_data; /* W: driver-specific data */
+};
+
+#define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int)
+#define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info)
+#define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status)
+#define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image)
+
+/*****************************************************************************
+ * *
+ * Digital Audio (PCM) interface - /dev/snd/pcm?? *
+ * *
+ *****************************************************************************/
+
+#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 12)
+
+typedef unsigned long snd_pcm_uframes_t;
+typedef signed long snd_pcm_sframes_t;
+
+enum {
+ SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */
+ SNDRV_PCM_CLASS_MULTI, /* multichannel device */
+ SNDRV_PCM_CLASS_MODEM, /* software modem class */
+ SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */
+ /* Don't forget to change the following: */
+ SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER,
+};
+
+enum {
+ SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */
+ SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */
+ /* Don't forget to change the following: */
+ SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX,
+};
+
+enum {
+ SNDRV_PCM_STREAM_PLAYBACK = 0,
+ SNDRV_PCM_STREAM_CAPTURE,
+ SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE,
+};
+
+typedef int __bitwise snd_pcm_access_t;
+#define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */
+#define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */
+#define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */
+#define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */
+#define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */
+#define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
+
+typedef int __bitwise snd_pcm_format_t;
+#define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0)
+#define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1)
+#define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
+#define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
+#define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
+#define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
+#define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */
+#define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */
+#define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */
+#define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */
+#define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
+#define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
+#define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
+#define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
+#define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */
+#define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20)
+#define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21)
+#define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22)
+#define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23)
+#define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24)
+#define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31)
+#define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */
+#define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */
+#define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */
+#define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */
+#define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */
+#define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */
+#define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */
+#define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
+#define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
+#define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
+#define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */
+#define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */
+#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
+
+#ifdef SNDRV_LITTLE_ENDIAN
+#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE
+#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE
+#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE
+#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE
+#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE
+#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE
+#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE
+#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE
+#endif
+#ifdef SNDRV_BIG_ENDIAN
+#define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE
+#define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE
+#define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE
+#define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE
+#define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE
+#define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE
+#define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE
+#define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE
+#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE
+#endif
+
+typedef int __bitwise snd_pcm_subformat_t;
+#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
+#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
+
+#define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */
+#define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */
+#define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */
+#define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */
+#define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */
+#define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */
+#define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */
+#define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */
+#define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */
+#define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */
+#define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */
+#define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */
+#define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */
+#define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */
+#define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */
+#define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* has audio wall clock for audio/system time sync */
+#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */
+
+typedef int __bitwise snd_pcm_state_t;
+#define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */
+#define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */
+#define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */
+#define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */
+#define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
+#define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */
+#define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */
+#define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */
+#define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
+#define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
+
+enum {
+ SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
+ SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
+ SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
+};
+
+union snd_pcm_sync_id {
+ unsigned char id[16];
+ unsigned short id16[8];
+ unsigned int id32[4];
+};
+
+struct snd_pcm_info {
+ unsigned int device; /* RO/WR (control): device number */
+ unsigned int subdevice; /* RO/WR (control): subdevice number */
+ int stream; /* RO/WR (control): stream direction */
+ int card; /* R: card number */
+ unsigned char id[64]; /* ID (user selectable) */
+ unsigned char name[80]; /* name of this device */
+ unsigned char subname[32]; /* subdevice name */
+ int dev_class; /* SNDRV_PCM_CLASS_* */
+ int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
+ unsigned int subdevices_count;
+ unsigned int subdevices_avail;
+ union snd_pcm_sync_id sync; /* hardware synchronization ID */
+ unsigned char reserved[64]; /* reserved for future... */
+};
+
+typedef int snd_pcm_hw_param_t;
+#define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */
+#define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */
+#define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */
+#define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
+#define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
+
+#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */
+#define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */
+#define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */
+#define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */
+#define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between
+ * interrupts in us
+ */
+#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between
+ * interrupts
+ */
+#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between
+ * interrupts
+ */
+#define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per
+ * buffer
+ */
+#define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer
+ * in us
+ */
+#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */
+#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */
+#define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */
+#define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
+#define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
+
+#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */
+#define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */
+#define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */
+
+struct snd_interval {
+ unsigned int min, max;
+ unsigned int openmin:1,
+ openmax:1,
+ integer:1,
+ empty:1;
+};
+
+#define SNDRV_MASK_MAX 256
+
+struct snd_mask {
+ __u32 bits[(SNDRV_MASK_MAX+31)/32];
+};
+
+struct snd_pcm_hw_params {
+ unsigned int flags;
+ struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
+ SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
+ struct snd_mask mres[5]; /* reserved masks */
+ struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
+ SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
+ struct snd_interval ires[9]; /* reserved intervals */
+ unsigned int rmask; /* W: requested masks */
+ unsigned int cmask; /* R: changed masks */
+ unsigned int info; /* R: Info flags for returned setup */
+ unsigned int msbits; /* R: used most significant bits */
+ unsigned int rate_num; /* R: rate numerator */
+ unsigned int rate_den; /* R: rate denominator */
+ snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
+ unsigned char reserved[64]; /* reserved for future */
+};
+
+enum {
+ SNDRV_PCM_TSTAMP_NONE = 0,
+ SNDRV_PCM_TSTAMP_ENABLE,
+ SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
+};
+
+struct snd_pcm_sw_params {
+ int tstamp_mode; /* timestamp mode */
+ unsigned int period_step;
+ unsigned int sleep_min; /* min ticks to sleep */
+ snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
+ snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */
+ snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
+ snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */
+ snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */
+ snd_pcm_uframes_t silence_size; /* silence block size */
+ snd_pcm_uframes_t boundary; /* pointers wrap point */
+ unsigned int proto; /* protocol version */
+ unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */
+ unsigned char reserved[56]; /* reserved for future */
+};
+
+struct snd_pcm_channel_info {
+ unsigned int channel;
+ __kernel_off_t offset; /* mmap offset */
+ unsigned int first; /* offset to first sample in bits */
+ unsigned int step; /* samples distance in bits */
+};
+
+struct snd_pcm_status {
+ snd_pcm_state_t state; /* stream state */
+ struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
+ struct timespec tstamp; /* reference timestamp */
+ snd_pcm_uframes_t appl_ptr; /* appl ptr */
+ snd_pcm_uframes_t hw_ptr; /* hw ptr */
+ snd_pcm_sframes_t delay; /* current delay in frames */
+ snd_pcm_uframes_t avail; /* number of frames available */
+ snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */
+ snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
+ snd_pcm_state_t suspended_state; /* suspended stream state */
+ __u32 reserved_alignment; /* must be filled with zero */
+ struct timespec audio_tstamp; /* from sample counter or wall clock */
+ unsigned char reserved[56-sizeof(struct timespec)]; /* must be filled with zero */
+};
+
+struct snd_pcm_mmap_status {
+ snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
+ int pad1; /* Needed for 64 bit alignment */
+ snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
+ struct timespec tstamp; /* Timestamp */
+ snd_pcm_state_t suspended_state; /* RO: suspended stream state */
+ struct timespec audio_tstamp; /* from sample counter or wall clock */
+};
+
+struct snd_pcm_mmap_control {
+ snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
+ snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
+};
+
+#define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
+#define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
+#define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
+
+struct snd_pcm_sync_ptr {
+ unsigned int flags;
+ union {
+ struct snd_pcm_mmap_status status;
+ unsigned char reserved[64];
+ } s;
+ union {
+ struct snd_pcm_mmap_control control;
+ unsigned char reserved[64];
+ } c;
+};
+
+struct snd_xferi {
+ snd_pcm_sframes_t result;
+ void __user *buf;
+ snd_pcm_uframes_t frames;
+};
+
+struct snd_xfern {
+ snd_pcm_sframes_t result;
+ void __user * __user *bufs;
+ snd_pcm_uframes_t frames;
+};
+
+enum {
+ SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */
+ SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */
+ SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */
+ SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
+};
+
+/* channel positions */
+enum {
+ SNDRV_CHMAP_UNKNOWN = 0,
+ SNDRV_CHMAP_NA, /* N/A, silent */
+ SNDRV_CHMAP_MONO, /* mono stream */
+ /* this follows the alsa-lib mixer channel value + 3 */
+ SNDRV_CHMAP_FL, /* front left */
+ SNDRV_CHMAP_FR, /* front right */
+ SNDRV_CHMAP_RL, /* rear left */
+ SNDRV_CHMAP_RR, /* rear right */
+ SNDRV_CHMAP_FC, /* front center */
+ SNDRV_CHMAP_LFE, /* LFE */
+ SNDRV_CHMAP_SL, /* side left */
+ SNDRV_CHMAP_SR, /* side right */
+ SNDRV_CHMAP_RC, /* rear center */
+ /* new definitions */
+ SNDRV_CHMAP_FLC, /* front left center */
+ SNDRV_CHMAP_FRC, /* front right center */
+ SNDRV_CHMAP_RLC, /* rear left center */
+ SNDRV_CHMAP_RRC, /* rear right center */
+ SNDRV_CHMAP_FLW, /* front left wide */
+ SNDRV_CHMAP_FRW, /* front right wide */
+ SNDRV_CHMAP_FLH, /* front left high */
+ SNDRV_CHMAP_FCH, /* front center high */
+ SNDRV_CHMAP_FRH, /* front right high */
+ SNDRV_CHMAP_TC, /* top center */
+ SNDRV_CHMAP_TFL, /* top front left */
+ SNDRV_CHMAP_TFR, /* top front right */
+ SNDRV_CHMAP_TFC, /* top front center */
+ SNDRV_CHMAP_TRL, /* top rear left */
+ SNDRV_CHMAP_TRR, /* top rear right */
+ SNDRV_CHMAP_TRC, /* top rear center */
+ /* new definitions for UAC2 */
+ SNDRV_CHMAP_TFLC, /* top front left center */
+ SNDRV_CHMAP_TFRC, /* top front right center */
+ SNDRV_CHMAP_TSL, /* top side left */
+ SNDRV_CHMAP_TSR, /* top side right */
+ SNDRV_CHMAP_LLFE, /* left LFE */
+ SNDRV_CHMAP_RLFE, /* right LFE */
+ SNDRV_CHMAP_BC, /* bottom center */
+ SNDRV_CHMAP_BLC, /* bottom left center */
+ SNDRV_CHMAP_BRC, /* bottom right center */
+ SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
+};
+
+#define SNDRV_CHMAP_POSITION_MASK 0xffff
+#define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
+#define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
+
+#define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
+#define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
+#define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
+#define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
+#define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
+#define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
+#define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
+#define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
+#define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
+#define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
+#define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
+#define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
+#define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
+#define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
+#define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
+#define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
+#define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
+#define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
+#define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
+#define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
+#define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
+#define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
+#define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
+#define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
+#define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
+#define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
+#define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
+#define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
+#define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
+
+/*****************************************************************************
+ * *
+ * MIDI v1.0 interface *
+ * *
+ *****************************************************************************/
+
+/*
+ * Raw MIDI section - /dev/snd/midi??
+ */
+
+#define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0)
+
+enum {
+ SNDRV_RAWMIDI_STREAM_OUTPUT = 0,
+ SNDRV_RAWMIDI_STREAM_INPUT,
+ SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT,
+};
+
+#define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001
+#define SNDRV_RAWMIDI_INFO_INPUT 0x00000002
+#define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004
+
+struct snd_rawmidi_info {
+ unsigned int device; /* RO/WR (control): device number */
+ unsigned int subdevice; /* RO/WR (control): subdevice number */
+ int stream; /* WR: stream */
+ int card; /* R: card number */
+ unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */
+ unsigned char id[64]; /* ID (user selectable) */
+ unsigned char name[80]; /* name of device */
+ unsigned char subname[32]; /* name of active or selected subdevice */
+ unsigned int subdevices_count;
+ unsigned int subdevices_avail;
+ unsigned char reserved[64]; /* reserved for future use */
+};
+
+struct snd_rawmidi_params {
+ int stream;
+ size_t buffer_size; /* queue size in bytes */
+ size_t avail_min; /* minimum avail bytes for wakeup */
+ unsigned int no_active_sensing: 1; /* do not send active sensing byte in close() */
+ unsigned char reserved[16]; /* reserved for future use */
+};
+
+struct snd_rawmidi_status {
+ int stream;
+ struct timespec tstamp; /* Timestamp */
+ size_t avail; /* available bytes */
+ size_t xruns; /* count of overruns since last status (in bytes) */
+ unsigned char reserved[16]; /* reserved for future use */
+};
+
+#define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int)
+#define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info)
+#define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params)
+#define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status)
+#define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int)
+#define SNDRV_RAWMIDI_IOCTL_DRAIN _IOW('W', 0x31, int)
+
+/*
+ * Timer section - /dev/snd/timer
+ */
+
+#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6)
+
+enum {
+ SNDRV_TIMER_CLASS_NONE = -1,
+ SNDRV_TIMER_CLASS_SLAVE = 0,
+ SNDRV_TIMER_CLASS_GLOBAL,
+ SNDRV_TIMER_CLASS_CARD,
+ SNDRV_TIMER_CLASS_PCM,
+ SNDRV_TIMER_CLASS_LAST = SNDRV_TIMER_CLASS_PCM,
+};
+
+/* slave timer classes */
+enum {
+ SNDRV_TIMER_SCLASS_NONE = 0,
+ SNDRV_TIMER_SCLASS_APPLICATION,
+ SNDRV_TIMER_SCLASS_SEQUENCER, /* alias */
+ SNDRV_TIMER_SCLASS_OSS_SEQUENCER, /* alias */
+ SNDRV_TIMER_SCLASS_LAST = SNDRV_TIMER_SCLASS_OSS_SEQUENCER,
+};
+
+/* global timers (device member) */
+#define SNDRV_TIMER_GLOBAL_SYSTEM 0
+#define SNDRV_TIMER_GLOBAL_RTC 1
+#define SNDRV_TIMER_GLOBAL_HPET 2
+#define SNDRV_TIMER_GLOBAL_HRTIMER 3
+
+/* info flags */
+#define SNDRV_TIMER_FLG_SLAVE (1<<0) /* cannot be controlled */
+
+struct snd_timer_id {
+ int dev_class;
+ int dev_sclass;
+ int card;
+ int device;
+ int subdevice;
+};
+
+struct snd_timer_ginfo {
+ struct snd_timer_id tid; /* requested timer ID */
+ unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
+ int card; /* card number */
+ unsigned char id[64]; /* timer identification */
+ unsigned char name[80]; /* timer name */
+ unsigned long reserved0; /* reserved for future use */
+ unsigned long resolution; /* average period resolution in ns */
+ unsigned long resolution_min; /* minimal period resolution in ns */
+ unsigned long resolution_max; /* maximal period resolution in ns */
+ unsigned int clients; /* active timer clients */
+ unsigned char reserved[32];
+};
+
+struct snd_timer_gparams {
+ struct snd_timer_id tid; /* requested timer ID */
+ unsigned long period_num; /* requested precise period duration (in seconds) - numerator */
+ unsigned long period_den; /* requested precise period duration (in seconds) - denominator */
+ unsigned char reserved[32];
+};
+
+struct snd_timer_gstatus {
+ struct snd_timer_id tid; /* requested timer ID */
+ unsigned long resolution; /* current period resolution in ns */
+ unsigned long resolution_num; /* precise current period resolution (in seconds) - numerator */
+ unsigned long resolution_den; /* precise current period resolution (in seconds) - denominator */
+ unsigned char reserved[32];
+};
+
+struct snd_timer_select {
+ struct snd_timer_id id; /* bind to timer ID */
+ unsigned char reserved[32]; /* reserved */
+};
+
+struct snd_timer_info {
+ unsigned int flags; /* timer flags - SNDRV_TIMER_FLG_* */
+ int card; /* card number */
+ unsigned char id[64]; /* timer identificator */
+ unsigned char name[80]; /* timer name */
+ unsigned long reserved0; /* reserved for future use */
+ unsigned long resolution; /* average period resolution in ns */
+ unsigned char reserved[64]; /* reserved */
+};
+
+#define SNDRV_TIMER_PSFLG_AUTO (1<<0) /* auto start, otherwise one-shot */
+#define SNDRV_TIMER_PSFLG_EXCLUSIVE (1<<1) /* exclusive use, precise start/stop/pause/continue */
+#define SNDRV_TIMER_PSFLG_EARLY_EVENT (1<<2) /* write early event to the poll queue */
+
+struct snd_timer_params {
+ unsigned int flags; /* flags - SNDRV_MIXER_PSFLG_* */
+ unsigned int ticks; /* requested resolution in ticks */
+ unsigned int queue_size; /* total size of queue (32-1024) */
+ unsigned int reserved0; /* reserved, was: failure locations */
+ unsigned int filter; /* event filter (bitmask of SNDRV_TIMER_EVENT_*) */
+ unsigned char reserved[60]; /* reserved */
+};
+
+struct snd_timer_status {
+ struct timespec tstamp; /* Timestamp - last update */
+ unsigned int resolution; /* current period resolution in ns */
+ unsigned int lost; /* counter of master tick lost */
+ unsigned int overrun; /* count of read queue overruns */
+ unsigned int queue; /* used queue size */
+ unsigned char reserved[64]; /* reserved */
+};
+
+#define SNDRV_TIMER_IOCTL_PVERSION _IOR('T', 0x00, int)
+#define SNDRV_TIMER_IOCTL_NEXT_DEVICE _IOWR('T', 0x01, struct snd_timer_id)
+#define SNDRV_TIMER_IOCTL_TREAD _IOW('T', 0x02, int)
+#define SNDRV_TIMER_IOCTL_GINFO _IOWR('T', 0x03, struct snd_timer_ginfo)
+#define SNDRV_TIMER_IOCTL_GPARAMS _IOW('T', 0x04, struct snd_timer_gparams)
+#define SNDRV_TIMER_IOCTL_GSTATUS _IOWR('T', 0x05, struct snd_timer_gstatus)
+#define SNDRV_TIMER_IOCTL_SELECT _IOW('T', 0x10, struct snd_timer_select)
+#define SNDRV_TIMER_IOCTL_INFO _IOR('T', 0x11, struct snd_timer_info)
+#define SNDRV_TIMER_IOCTL_PARAMS _IOW('T', 0x12, struct snd_timer_params)
+#define SNDRV_TIMER_IOCTL_STATUS _IOR('T', 0x14, struct snd_timer_status)
+/* The following four ioctls are changed since 1.0.9 due to confliction */
+#define SNDRV_TIMER_IOCTL_START _IO('T', 0xa0)
+#define SNDRV_TIMER_IOCTL_STOP _IO('T', 0xa1)
+#define SNDRV_TIMER_IOCTL_CONTINUE _IO('T', 0xa2)
+#define SNDRV_TIMER_IOCTL_PAUSE _IO('T', 0xa3)
+
+struct snd_timer_read {
+ unsigned int resolution;
+ unsigned int ticks;
+};
+
+enum {
+ SNDRV_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
+ SNDRV_TIMER_EVENT_TICK, /* val = ticks */
+ SNDRV_TIMER_EVENT_START, /* val = resolution in ns */
+ SNDRV_TIMER_EVENT_STOP, /* val = 0 */
+ SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
+ SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */
+ SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */
+ SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */
+ SNDRV_TIMER_EVENT_RESUME, /* val = resolution in ns */
+ /* master timer events for slave timer instances */
+ SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10,
+ SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10,
+ SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10,
+ SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10,
+ SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10,
+ SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10,
+};
+
+struct snd_timer_tread {
+ int event;
+ struct timespec tstamp;
+ unsigned int val;
+};
+
+/****************************************************************************
+ * *
+ * Section for driver control interface - /dev/snd/control? *
+ * *
+ ****************************************************************************/
+
+#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
+
+struct snd_ctl_card_info {
+ int card; /* card number */
+ int pad; /* reserved for future (was type) */
+ unsigned char id[16]; /* ID of card (user selectable) */
+ unsigned char driver[16]; /* Driver name */
+ unsigned char name[32]; /* Short name of soundcard */
+ unsigned char longname[80]; /* name + info text about soundcard */
+ unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */
+ unsigned char mixername[80]; /* visual mixer identification */
+ unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */
+};
+
+typedef int __bitwise snd_ctl_elem_type_t;
+#define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */
+#define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */
+#define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */
+#define SNDRV_CTL_ELEM_TYPE_ENUMERATED ((__force snd_ctl_elem_type_t) 3) /* enumerated type */
+#define SNDRV_CTL_ELEM_TYPE_BYTES ((__force snd_ctl_elem_type_t) 4) /* byte array */
+#define SNDRV_CTL_ELEM_TYPE_IEC958 ((__force snd_ctl_elem_type_t) 5) /* IEC958 (S/PDIF) setup */
+#define SNDRV_CTL_ELEM_TYPE_INTEGER64 ((__force snd_ctl_elem_type_t) 6) /* 64-bit integer type */
+#define SNDRV_CTL_ELEM_TYPE_LAST SNDRV_CTL_ELEM_TYPE_INTEGER64
+
+typedef int __bitwise snd_ctl_elem_iface_t;
+#define SNDRV_CTL_ELEM_IFACE_CARD ((__force snd_ctl_elem_iface_t) 0) /* global control */
+#define SNDRV_CTL_ELEM_IFACE_HWDEP ((__force snd_ctl_elem_iface_t) 1) /* hardware dependent device */
+#define SNDRV_CTL_ELEM_IFACE_MIXER ((__force snd_ctl_elem_iface_t) 2) /* virtual mixer device */
+#define SNDRV_CTL_ELEM_IFACE_PCM ((__force snd_ctl_elem_iface_t) 3) /* PCM device */
+#define SNDRV_CTL_ELEM_IFACE_RAWMIDI ((__force snd_ctl_elem_iface_t) 4) /* RawMidi device */
+#define SNDRV_CTL_ELEM_IFACE_TIMER ((__force snd_ctl_elem_iface_t) 5) /* timer device */
+#define SNDRV_CTL_ELEM_IFACE_SEQUENCER ((__force snd_ctl_elem_iface_t) 6) /* sequencer client */
+#define SNDRV_CTL_ELEM_IFACE_LAST SNDRV_CTL_ELEM_IFACE_SEQUENCER
+
+#define SNDRV_CTL_ELEM_ACCESS_READ (1<<0)
+#define SNDRV_CTL_ELEM_ACCESS_WRITE (1<<1)
+#define SNDRV_CTL_ELEM_ACCESS_READWRITE (SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE)
+#define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */
+#define SNDRV_CTL_ELEM_ACCESS_TIMESTAMP (1<<3) /* when was control changed */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_READ (1<<4) /* TLV read is possible */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_WRITE (1<<5) /* TLV write is possible */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE (SNDRV_CTL_ELEM_ACCESS_TLV_READ|SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
+#define SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND (1<<6) /* TLV command is possible */
+#define SNDRV_CTL_ELEM_ACCESS_INACTIVE (1<<8) /* control does actually nothing, but may be updated */
+#define SNDRV_CTL_ELEM_ACCESS_LOCK (1<<9) /* write lock */
+#define SNDRV_CTL_ELEM_ACCESS_OWNER (1<<10) /* write lock owner */
+#define SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK (1<<28) /* kernel use a TLV callback */
+#define SNDRV_CTL_ELEM_ACCESS_USER (1<<29) /* user space element */
+/* bits 30 and 31 are obsoleted (for indirect access) */
+
+/* for further details see the ACPI and PCI power management specification */
+#define SNDRV_CTL_POWER_D0 0x0000 /* full On */
+#define SNDRV_CTL_POWER_D1 0x0100 /* partial On */
+#define SNDRV_CTL_POWER_D2 0x0200 /* partial On */
+#define SNDRV_CTL_POWER_D3 0x0300 /* Off */
+#define SNDRV_CTL_POWER_D3hot (SNDRV_CTL_POWER_D3|0x0000) /* Off, with power */
+#define SNDRV_CTL_POWER_D3cold (SNDRV_CTL_POWER_D3|0x0001) /* Off, without power */
+
+#define SNDRV_CTL_ELEM_ID_NAME_MAXLEN 44
+
+struct snd_ctl_elem_id {
+ unsigned int numid; /* numeric identifier, zero = invalid */
+ snd_ctl_elem_iface_t iface; /* interface identifier */
+ unsigned int device; /* device/client number */
+ unsigned int subdevice; /* subdevice (substream) number */
+ unsigned char name[44]; /* ASCII name of item */
+ unsigned int index; /* index of item */
+};
+
+struct snd_ctl_elem_list {
+ unsigned int offset; /* W: first element ID to get */
+ unsigned int space; /* W: count of element IDs to get */
+ unsigned int used; /* R: count of element IDs set */
+ unsigned int count; /* R: count of all elements */
+ struct snd_ctl_elem_id __user *pids; /* R: IDs */
+ unsigned char reserved[50];
+};
+
+struct snd_ctl_elem_info {
+ struct snd_ctl_elem_id id; /* W: element ID */
+ snd_ctl_elem_type_t type; /* R: value type - SNDRV_CTL_ELEM_TYPE_* */
+ unsigned int access; /* R: value access (bitmask) - SNDRV_CTL_ELEM_ACCESS_* */
+ unsigned int count; /* count of values */
+ __kernel_pid_t owner; /* owner's PID of this control */
+ union {
+ struct {
+ long min; /* R: minimum value */
+ long max; /* R: maximum value */
+ long step; /* R: step (0 variable) */
+ } integer;
+ struct {
+ long long min; /* R: minimum value */
+ long long max; /* R: maximum value */
+ long long step; /* R: step (0 variable) */
+ } integer64;
+ struct {
+ unsigned int items; /* R: number of items */
+ unsigned int item; /* W: item number */
+ char name[64]; /* R: value name */
+ __u64 names_ptr; /* W: names list (ELEM_ADD only) */
+ unsigned int names_length;
+ } enumerated;
+ unsigned char reserved[128];
+ } value;
+ union {
+ unsigned short d[4]; /* dimensions */
+ unsigned short *d_ptr; /* indirect - obsoleted */
+ } dimen;
+ unsigned char reserved[64-4*sizeof(unsigned short)];
+};
+
+struct snd_ctl_elem_value {
+ struct snd_ctl_elem_id id; /* W: element ID */
+ unsigned int indirect: 1; /* W: indirect access - obsoleted */
+ union {
+ union {
+ long value[128];
+ long *value_ptr; /* obsoleted */
+ } integer;
+ union {
+ long long value[64];
+ long long *value_ptr; /* obsoleted */
+ } integer64;
+ union {
+ unsigned int item[128];
+ unsigned int *item_ptr; /* obsoleted */
+ } enumerated;
+ union {
+ unsigned char data[512];
+ unsigned char *data_ptr; /* obsoleted */
+ } bytes;
+ struct snd_aes_iec958 iec958;
+ } value; /* RO */
+ struct timespec tstamp;
+ unsigned char reserved[128-sizeof(struct timespec)];
+};
+
+struct snd_ctl_tlv {
+ unsigned int numid; /* control element numeric identification */
+ unsigned int length; /* in bytes aligned to 4 */
+ unsigned int tlv[0]; /* first TLV */
+};
+
+#define SNDRV_CTL_IOCTL_PVERSION _IOR('U', 0x00, int)
+#define SNDRV_CTL_IOCTL_CARD_INFO _IOR('U', 0x01, struct snd_ctl_card_info)
+#define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)
+#define SNDRV_CTL_IOCTL_ELEM_INFO _IOWR('U', 0x11, struct snd_ctl_elem_info)
+#define SNDRV_CTL_IOCTL_ELEM_READ _IOWR('U', 0x12, struct snd_ctl_elem_value)
+#define SNDRV_CTL_IOCTL_ELEM_WRITE _IOWR('U', 0x13, struct snd_ctl_elem_value)
+#define SNDRV_CTL_IOCTL_ELEM_LOCK _IOW('U', 0x14, struct snd_ctl_elem_id)
+#define SNDRV_CTL_IOCTL_ELEM_UNLOCK _IOW('U', 0x15, struct snd_ctl_elem_id)
+#define SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS _IOWR('U', 0x16, int)
+#define SNDRV_CTL_IOCTL_ELEM_ADD _IOWR('U', 0x17, struct snd_ctl_elem_info)
+#define SNDRV_CTL_IOCTL_ELEM_REPLACE _IOWR('U', 0x18, struct snd_ctl_elem_info)
+#define SNDRV_CTL_IOCTL_ELEM_REMOVE _IOWR('U', 0x19, struct snd_ctl_elem_id)
+#define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)
+#define SNDRV_CTL_IOCTL_TLV_WRITE _IOWR('U', 0x1b, struct snd_ctl_tlv)
+#define SNDRV_CTL_IOCTL_TLV_COMMAND _IOWR('U', 0x1c, struct snd_ctl_tlv)
+#define SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE _IOWR('U', 0x20, int)
+#define SNDRV_CTL_IOCTL_HWDEP_INFO _IOR('U', 0x21, struct snd_hwdep_info)
+#define SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE _IOR('U', 0x30, int)
+#define SNDRV_CTL_IOCTL_PCM_INFO _IOWR('U', 0x31, struct snd_pcm_info)
+#define SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE _IOW('U', 0x32, int)
+#define SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE _IOWR('U', 0x40, int)
+#define SNDRV_CTL_IOCTL_RAWMIDI_INFO _IOWR('U', 0x41, struct snd_rawmidi_info)
+#define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
+#define SNDRV_CTL_IOCTL_POWER _IOWR('U', 0xd0, int)
+#define SNDRV_CTL_IOCTL_POWER_STATE _IOR('U', 0xd1, int)
+
+/*
+ * Read interface.
+ */
+
+enum sndrv_ctl_event_type {
+ SNDRV_CTL_EVENT_ELEM = 0,
+ SNDRV_CTL_EVENT_LAST = SNDRV_CTL_EVENT_ELEM,
+};
+
+#define SNDRV_CTL_EVENT_MASK_VALUE (1<<0) /* element value was changed */
+#define SNDRV_CTL_EVENT_MASK_INFO (1<<1) /* element info was changed */
+#define SNDRV_CTL_EVENT_MASK_ADD (1<<2) /* element was added */
+#define SNDRV_CTL_EVENT_MASK_TLV (1<<3) /* element TLV tree was changed */
+#define SNDRV_CTL_EVENT_MASK_REMOVE (~0U) /* element was removed */
+
+struct snd_ctl_event {
+ int type; /* event type - SNDRV_CTL_EVENT_* */
+ union {
+ struct {
+ unsigned int mask;
+ struct snd_ctl_elem_id id;
+ } elem;
+ unsigned char data8[60];
+ } data;
+};
+
+/*
+ * Control names
+ */
+
+#define SNDRV_CTL_NAME_NONE ""
+#define SNDRV_CTL_NAME_PLAYBACK "Playback "
+#define SNDRV_CTL_NAME_CAPTURE "Capture "
+
+#define SNDRV_CTL_NAME_IEC958_NONE ""
+#define SNDRV_CTL_NAME_IEC958_SWITCH "Switch"
+#define SNDRV_CTL_NAME_IEC958_VOLUME "Volume"
+#define SNDRV_CTL_NAME_IEC958_DEFAULT "Default"
+#define SNDRV_CTL_NAME_IEC958_MASK "Mask"
+#define SNDRV_CTL_NAME_IEC958_CON_MASK "Con Mask"
+#define SNDRV_CTL_NAME_IEC958_PRO_MASK "Pro Mask"
+#define SNDRV_CTL_NAME_IEC958_PCM_STREAM "PCM Stream"
+#define SNDRV_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SNDRV_CTL_NAME_##direction SNDRV_CTL_NAME_IEC958_##what
+
+#endif /* _UAPI__SOUND_ASOUND_H */
diff --git a/include/sound/asound_fm.h b/include/sound/asound_fm.h
new file mode 100644
index 0000000..c2a4b96
--- /dev/null
+++ b/include/sound/asound_fm.h
@@ -0,0 +1,134 @@
+#ifndef __SOUND_ASOUND_FM_H
+#define __SOUND_ASOUND_FM_H
+
+/*
+ * Advanced Linux Sound Architecture - ALSA
+ *
+ * Interface file between ALSA driver & user space
+ * Copyright (c) 1994-98 by Jaroslav Kysela <perex@perex.cz>,
+ * 4Front Technologies
+ *
+ * Direct FM control
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#define SNDRV_DM_FM_MODE_OPL2 0x00
+#define SNDRV_DM_FM_MODE_OPL3 0x01
+
+struct snd_dm_fm_info {
+ unsigned char fm_mode; /* OPL mode, see SNDRV_DM_FM_MODE_XXX */
+ unsigned char rhythm; /* percussion mode flag */
+};
+
+/*
+ * Data structure composing an FM "note" or sound event.
+ */
+
+struct snd_dm_fm_voice {
+ unsigned char op; /* operator cell (0 or 1) */
+ unsigned char voice; /* FM voice (0 to 17) */
+
+ unsigned char am; /* amplitude modulation */
+ unsigned char vibrato; /* vibrato effect */
+ unsigned char do_sustain; /* sustain phase */
+ unsigned char kbd_scale; /* keyboard scaling */
+ unsigned char harmonic; /* 4 bits: harmonic and multiplier */
+ unsigned char scale_level; /* 2 bits: decrease output freq rises */
+ unsigned char volume; /* 6 bits: volume */
+
+ unsigned char attack; /* 4 bits: attack rate */
+ unsigned char decay; /* 4 bits: decay rate */
+ unsigned char sustain; /* 4 bits: sustain level */
+ unsigned char release; /* 4 bits: release rate */
+
+ unsigned char feedback; /* 3 bits: feedback for op0 */
+ unsigned char connection; /* 0 for serial, 1 for parallel */
+ unsigned char left; /* stereo left */
+ unsigned char right; /* stereo right */
+ unsigned char waveform; /* 3 bits: waveform shape */
+};
+
+/*
+ * This describes an FM note by its voice, octave, frequency number (10bit)
+ * and key on/off.
+ */
+
+struct snd_dm_fm_note {
+ unsigned char voice; /* 0-17 voice channel */
+ unsigned char octave; /* 3 bits: what octave to play */
+ unsigned int fnum; /* 10 bits: frequency number */
+ unsigned char key_on; /* set for active, clear for silent */
+};
+
+/*
+ * FM parameters that apply globally to all voices, and thus are not "notes"
+ */
+
+struct snd_dm_fm_params {
+ unsigned char am_depth; /* amplitude modulation depth (1=hi) */
+ unsigned char vib_depth; /* vibrato depth (1=hi) */
+ unsigned char kbd_split; /* keyboard split */
+ unsigned char rhythm; /* percussion mode select */
+
+ /* This block is the percussion instrument data */
+ unsigned char bass;
+ unsigned char snare;
+ unsigned char tomtom;
+ unsigned char cymbal;
+ unsigned char hihat;
+};
+
+/*
+ * FM mode ioctl settings
+ */
+
+#define SNDRV_DM_FM_IOCTL_INFO _IOR('H', 0x20, struct snd_dm_fm_info)
+#define SNDRV_DM_FM_IOCTL_RESET _IO ('H', 0x21)
+#define SNDRV_DM_FM_IOCTL_PLAY_NOTE _IOW('H', 0x22, struct snd_dm_fm_note)
+#define SNDRV_DM_FM_IOCTL_SET_VOICE _IOW('H', 0x23, struct snd_dm_fm_voice)
+#define SNDRV_DM_FM_IOCTL_SET_PARAMS _IOW('H', 0x24, struct snd_dm_fm_params)
+#define SNDRV_DM_FM_IOCTL_SET_MODE _IOW('H', 0x25, int)
+/* for OPL3 only */
+#define SNDRV_DM_FM_IOCTL_SET_CONNECTION _IOW('H', 0x26, int)
+/* SBI patch management */
+#define SNDRV_DM_FM_IOCTL_CLEAR_PATCHES _IO ('H', 0x40)
+
+#define SNDRV_DM_FM_OSS_IOCTL_RESET 0x20
+#define SNDRV_DM_FM_OSS_IOCTL_PLAY_NOTE 0x21
+#define SNDRV_DM_FM_OSS_IOCTL_SET_VOICE 0x22
+#define SNDRV_DM_FM_OSS_IOCTL_SET_PARAMS 0x23
+#define SNDRV_DM_FM_OSS_IOCTL_SET_MODE 0x24
+#define SNDRV_DM_FM_OSS_IOCTL_SET_OPL 0x25
+
+/*
+ * Patch Record - fixed size for write
+ */
+
+#define FM_KEY_SBI "SBI\032"
+#define FM_KEY_2OP "2OP\032"
+#define FM_KEY_4OP "4OP\032"
+
+struct sbi_patch {
+ unsigned char prog;
+ unsigned char bank;
+ char key[4];
+ char name[25];
+ char extension[7];
+ unsigned char data[32];
+};
+
+#endif /* __SOUND_ASOUND_FM_H */
diff --git a/include/sound/asoundef.h b/include/sound/asoundef.h
new file mode 100644
index 0000000..f962c5a
--- /dev/null
+++ b/include/sound/asoundef.h
@@ -0,0 +1,227 @@
+#ifndef __SOUND_ASOUNDEF_H
+#define __SOUND_ASOUNDEF_H
+
+/*
+ * Advanced Linux Sound Architecture - ALSA - Driver
+ * Copyright (c) 1994-2000 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/****************************************************************************
+ * *
+ * Digital audio interface *
+ * *
+ ****************************************************************************/
+
+/* AES/IEC958 channel status bits */
+#define IEC958_AES0_PROFESSIONAL (1<<0) /* 0 = consumer, 1 = professional */
+#define IEC958_AES0_NONAUDIO (1<<1) /* 0 = audio, 1 = non-audio */
+#define IEC958_AES0_PRO_EMPHASIS (7<<2) /* mask - emphasis */
+#define IEC958_AES0_PRO_EMPHASIS_NOTID (0<<2) /* emphasis not indicated */
+#define IEC958_AES0_PRO_EMPHASIS_NONE (1<<2) /* none emphasis */
+#define IEC958_AES0_PRO_EMPHASIS_5015 (3<<2) /* 50/15us emphasis */
+#define IEC958_AES0_PRO_EMPHASIS_CCITT (7<<2) /* CCITT J.17 emphasis */
+#define IEC958_AES0_PRO_FREQ_UNLOCKED (1<<5) /* source sample frequency: 0 = locked, 1 = unlocked */
+#define IEC958_AES0_PRO_FS (3<<6) /* mask - sample frequency */
+#define IEC958_AES0_PRO_FS_NOTID (0<<6) /* fs not indicated */
+#define IEC958_AES0_PRO_FS_44100 (1<<6) /* 44.1kHz */
+#define IEC958_AES0_PRO_FS_48000 (2<<6) /* 48kHz */
+#define IEC958_AES0_PRO_FS_32000 (3<<6) /* 32kHz */
+#define IEC958_AES0_CON_NOT_COPYRIGHT (1<<2) /* 0 = copyright, 1 = not copyright */
+#define IEC958_AES0_CON_EMPHASIS (7<<3) /* mask - emphasis */
+#define IEC958_AES0_CON_EMPHASIS_NONE (0<<3) /* none emphasis */
+#define IEC958_AES0_CON_EMPHASIS_5015 (1<<3) /* 50/15us emphasis */
+#define IEC958_AES0_CON_MODE (3<<6) /* mask - mode */
+#define IEC958_AES1_PRO_MODE (15<<0) /* mask - channel mode */
+#define IEC958_AES1_PRO_MODE_NOTID (0<<0) /* not indicated */
+#define IEC958_AES1_PRO_MODE_STEREOPHONIC (2<<0) /* stereophonic - ch A is left */
+#define IEC958_AES1_PRO_MODE_SINGLE (4<<0) /* single channel */
+#define IEC958_AES1_PRO_MODE_TWO (8<<0) /* two channels */
+#define IEC958_AES1_PRO_MODE_PRIMARY (12<<0) /* primary/secondary */
+#define IEC958_AES1_PRO_MODE_BYTE3 (15<<0) /* vector to byte 3 */
+#define IEC958_AES1_PRO_USERBITS (15<<4) /* mask - user bits */
+#define IEC958_AES1_PRO_USERBITS_NOTID (0<<4) /* not indicated */
+#define IEC958_AES1_PRO_USERBITS_192 (8<<4) /* 192-bit structure */
+#define IEC958_AES1_PRO_USERBITS_UDEF (12<<4) /* user defined application */
+#define IEC958_AES1_CON_CATEGORY 0x7f
+#define IEC958_AES1_CON_GENERAL 0x00
+#define IEC958_AES1_CON_EXPERIMENTAL 0x40
+#define IEC958_AES1_CON_SOLIDMEM_MASK 0x0f
+#define IEC958_AES1_CON_SOLIDMEM_ID 0x08
+#define IEC958_AES1_CON_BROADCAST1_MASK 0x07
+#define IEC958_AES1_CON_BROADCAST1_ID 0x04
+#define IEC958_AES1_CON_DIGDIGCONV_MASK 0x07
+#define IEC958_AES1_CON_DIGDIGCONV_ID 0x02
+#define IEC958_AES1_CON_ADC_COPYRIGHT_MASK 0x1f
+#define IEC958_AES1_CON_ADC_COPYRIGHT_ID 0x06
+#define IEC958_AES1_CON_ADC_MASK 0x1f
+#define IEC958_AES1_CON_ADC_ID 0x16
+#define IEC958_AES1_CON_BROADCAST2_MASK 0x0f
+#define IEC958_AES1_CON_BROADCAST2_ID 0x0e
+#define IEC958_AES1_CON_LASEROPT_MASK 0x07
+#define IEC958_AES1_CON_LASEROPT_ID 0x01
+#define IEC958_AES1_CON_MUSICAL_MASK 0x07
+#define IEC958_AES1_CON_MUSICAL_ID 0x05
+#define IEC958_AES1_CON_MAGNETIC_MASK 0x07
+#define IEC958_AES1_CON_MAGNETIC_ID 0x03
+#define IEC958_AES1_CON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x00)
+#define IEC958_AES1_CON_NON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x08)
+#define IEC958_AES1_CON_PCM_CODER (IEC958_AES1_CON_DIGDIGCONV_ID|0x00)
+#define IEC958_AES1_CON_SAMPLER (IEC958_AES1_CON_DIGDIGCONV_ID|0x20)
+#define IEC958_AES1_CON_MIXER (IEC958_AES1_CON_DIGDIGCONV_ID|0x10)
+#define IEC958_AES1_CON_RATE_CONVERTER (IEC958_AES1_CON_DIGDIGCONV_ID|0x18)
+#define IEC958_AES1_CON_SYNTHESIZER (IEC958_AES1_CON_MUSICAL_ID|0x00)
+#define IEC958_AES1_CON_MICROPHONE (IEC958_AES1_CON_MUSICAL_ID|0x08)
+#define IEC958_AES1_CON_DAT (IEC958_AES1_CON_MAGNETIC_ID|0x00)
+#define IEC958_AES1_CON_VCR (IEC958_AES1_CON_MAGNETIC_ID|0x08)
+#define IEC958_AES1_CON_ORIGINAL (1<<7) /* this bits depends on the category code */
+#define IEC958_AES2_PRO_SBITS (7<<0) /* mask - sample bits */
+#define IEC958_AES2_PRO_SBITS_20 (2<<0) /* 20-bit - coordination */
+#define IEC958_AES2_PRO_SBITS_24 (4<<0) /* 24-bit - main audio */
+#define IEC958_AES2_PRO_SBITS_UDEF (6<<0) /* user defined application */
+#define IEC958_AES2_PRO_WORDLEN (7<<3) /* mask - source word length */
+#define IEC958_AES2_PRO_WORDLEN_NOTID (0<<3) /* not indicated */
+#define IEC958_AES2_PRO_WORDLEN_22_18 (2<<3) /* 22-bit or 18-bit */
+#define IEC958_AES2_PRO_WORDLEN_23_19 (4<<3) /* 23-bit or 19-bit */
+#define IEC958_AES2_PRO_WORDLEN_24_20 (5<<3) /* 24-bit or 20-bit */
+#define IEC958_AES2_PRO_WORDLEN_20_16 (6<<3) /* 20-bit or 16-bit */
+#define IEC958_AES2_CON_SOURCE (15<<0) /* mask - source number */
+#define IEC958_AES2_CON_SOURCE_UNSPEC (0<<0) /* unspecified */
+#define IEC958_AES2_CON_CHANNEL (15<<4) /* mask - channel number */
+#define IEC958_AES2_CON_CHANNEL_UNSPEC (0<<4) /* unspecified */
+#define IEC958_AES3_CON_FS (15<<0) /* mask - sample frequency */
+#define IEC958_AES3_CON_FS_44100 (0<<0) /* 44.1kHz */
+#define IEC958_AES3_CON_FS_48000 (2<<0) /* 48kHz */
+#define IEC958_AES3_CON_FS_32000 (3<<0) /* 32kHz */
+#define IEC958_AES3_CON_CLOCK (3<<4) /* mask - clock accuracy */
+#define IEC958_AES3_CON_CLOCK_1000PPM (0<<4) /* 1000 ppm */
+#define IEC958_AES3_CON_CLOCK_50PPM (1<<4) /* 50 ppm */
+#define IEC958_AES3_CON_CLOCK_VARIABLE (2<<4) /* variable pitch */
+
+/*****************************************************************************
+ * *
+ * MIDI v1.0 interface *
+ * *
+ *****************************************************************************/
+
+#define MIDI_CHANNELS 16
+#define MIDI_GM_DRUM_CHANNEL (10-1)
+
+/*
+ * MIDI commands
+ */
+
+#define MIDI_CMD_NOTE_OFF 0x80
+#define MIDI_CMD_NOTE_ON 0x90
+#define MIDI_CMD_NOTE_PRESSURE 0xa0
+#define MIDI_CMD_CONTROL 0xb0
+#define MIDI_CMD_PGM_CHANGE 0xc0
+#define MIDI_CMD_CHANNEL_PRESSURE 0xd0
+#define MIDI_CMD_BENDER 0xe0
+
+#define MIDI_CMD_COMMON_SYSEX 0xf0
+#define MIDI_CMD_COMMON_MTC_QUARTER 0xf1
+#define MIDI_CMD_COMMON_SONG_POS 0xf2
+#define MIDI_CMD_COMMON_SONG_SELECT 0xf3
+#define MIDI_CMD_COMMON_TUNE_REQUEST 0xf6
+#define MIDI_CMD_COMMON_SYSEX_END 0xf7
+#define MIDI_CMD_COMMON_CLOCK 0xf8
+#define MIDI_CMD_COMMON_START 0xfa
+#define MIDI_CMD_COMMON_CONTINUE 0xfb
+#define MIDI_CMD_COMMON_STOP 0xfc
+#define MIDI_CMD_COMMON_SENSING 0xfe
+#define MIDI_CMD_COMMON_RESET 0xff
+
+/*
+ * MIDI controllers
+ */
+
+#define MIDI_CTL_MSB_BANK 0x00
+#define MIDI_CTL_MSB_MODWHEEL 0x01
+#define MIDI_CTL_MSB_BREATH 0x02
+#define MIDI_CTL_MSB_FOOT 0x04
+#define MIDI_CTL_MSB_PORTAMENTO_TIME 0x05
+#define MIDI_CTL_MSB_DATA_ENTRY 0x06
+#define MIDI_CTL_MSB_MAIN_VOLUME 0x07
+#define MIDI_CTL_MSB_BALANCE 0x08
+#define MIDI_CTL_MSB_PAN 0x0a
+#define MIDI_CTL_MSB_EXPRESSION 0x0b
+#define MIDI_CTL_MSB_EFFECT1 0x0c
+#define MIDI_CTL_MSB_EFFECT2 0x0d
+#define MIDI_CTL_MSB_GENERAL_PURPOSE1 0x10
+#define MIDI_CTL_MSB_GENERAL_PURPOSE2 0x11
+#define MIDI_CTL_MSB_GENERAL_PURPOSE3 0x12
+#define MIDI_CTL_MSB_GENERAL_PURPOSE4 0x13
+#define MIDI_CTL_LSB_BANK 0x20
+#define MIDI_CTL_LSB_MODWHEEL 0x21
+#define MIDI_CTL_LSB_BREATH 0x22
+#define MIDI_CTL_LSB_FOOT 0x24
+#define MIDI_CTL_LSB_PORTAMENTO_TIME 0x25
+#define MIDI_CTL_LSB_DATA_ENTRY 0x26
+#define MIDI_CTL_LSB_MAIN_VOLUME 0x27
+#define MIDI_CTL_LSB_BALANCE 0x28
+#define MIDI_CTL_LSB_PAN 0x2a
+#define MIDI_CTL_LSB_EXPRESSION 0x2b
+#define MIDI_CTL_LSB_EFFECT1 0x2c
+#define MIDI_CTL_LSB_EFFECT2 0x2d
+#define MIDI_CTL_LSB_GENERAL_PURPOSE1 0x30
+#define MIDI_CTL_LSB_GENERAL_PURPOSE2 0x31
+#define MIDI_CTL_LSB_GENERAL_PURPOSE3 0x32
+#define MIDI_CTL_LSB_GENERAL_PURPOSE4 0x33
+#define MIDI_CTL_SUSTAIN 0x40
+#define MIDI_CTL_PORTAMENTO 0x41
+#define MIDI_CTL_SUSTENUTO 0x42
+#define MIDI_CTL_SOFT_PEDAL 0x43
+#define MIDI_CTL_LEGATO_FOOTSWITCH 0x44
+#define MIDI_CTL_HOLD2 0x45
+#define MIDI_CTL_SC1_SOUND_VARIATION 0x46
+#define MIDI_CTL_SC2_TIMBRE 0x47
+#define MIDI_CTL_SC3_RELEASE_TIME 0x48
+#define MIDI_CTL_SC4_ATTACK_TIME 0x49
+#define MIDI_CTL_SC5_BRIGHTNESS 0x4a
+#define MIDI_CTL_SC6 0x4b
+#define MIDI_CTL_SC7 0x4c
+#define MIDI_CTL_SC8 0x4d
+#define MIDI_CTL_SC9 0x4e
+#define MIDI_CTL_SC10 0x4f
+#define MIDI_CTL_GENERAL_PURPOSE5 0x50
+#define MIDI_CTL_GENERAL_PURPOSE6 0x51
+#define MIDI_CTL_GENERAL_PURPOSE7 0x52
+#define MIDI_CTL_GENERAL_PURPOSE8 0x53
+#define MIDI_CTL_PORTAMENTO_CONTROL 0x54
+#define MIDI_CTL_E1_REVERB_DEPTH 0x5b
+#define MIDI_CTL_E2_TREMOLO_DEPTH 0x5c
+#define MIDI_CTL_E3_CHORUS_DEPTH 0x5d
+#define MIDI_CTL_E4_DETUNE_DEPTH 0x5e
+#define MIDI_CTL_E5_PHASER_DEPTH 0x5f
+#define MIDI_CTL_DATA_INCREMENT 0x60
+#define MIDI_CTL_DATA_DECREMENT 0x61
+#define MIDI_CTL_NONREG_PARM_NUM_LSB 0x62
+#define MIDI_CTL_NONREG_PARM_NUM_MSB 0x63
+#define MIDI_CTL_REGIST_PARM_NUM_LSB 0x64
+#define MIDI_CTL_REGIST_PARM_NUM_MSB 0x65
+#define MIDI_CTL_ALL_SOUNDS_OFF 0x78
+#define MIDI_CTL_RESET_CONTROLLERS 0x79
+#define MIDI_CTL_LOCAL_CONTROL_SWITCH 0x7a
+#define MIDI_CTL_ALL_NOTES_OFF 0x7b
+#define MIDI_CTL_OMNI_OFF 0x7c
+#define MIDI_CTL_OMNI_ON 0x7d
+#define MIDI_CTL_MONO1 0x7e
+#define MIDI_CTL_MONO2 0x7f
+
+#endif /* __SOUND_ASOUNDEF_H */
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
new file mode 100644
index 0000000..94018b7
--- /dev/null
+++ b/include/sound/emu10k1.h
@@ -0,0 +1,349 @@
+#ifndef __SOUND_EMU10K1_H
+#define __SOUND_EMU10K1_H
+
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
+ * Creative Labs, Inc.
+ * Definitions for EMU10K1 (SB Live!) chips
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdint.h>
+
+/*
+ * ---- FX8010 ----
+ */
+
+#define EMU10K1_CARD_CREATIVE 0x00000000
+#define EMU10K1_CARD_EMUAPS 0x00000001
+
+#define EMU10K1_FX8010_PCM_COUNT 8
+
+/* instruction set */
+#define iMAC0 0x00 /* R = A + (X * Y >> 31) ; saturation */
+#define iMAC1 0x01 /* R = A + (-X * Y >> 31) ; saturation */
+#define iMAC2 0x02 /* R = A + (X * Y >> 31) ; wraparound */
+#define iMAC3 0x03 /* R = A + (-X * Y >> 31) ; wraparound */
+#define iMACINT0 0x04 /* R = A + X * Y ; saturation */
+#define iMACINT1 0x05 /* R = A + X * Y ; wraparound (31-bit) */
+#define iACC3 0x06 /* R = A + X + Y ; saturation */
+#define iMACMV 0x07 /* R = A, acc += X * Y >> 31 */
+#define iANDXOR 0x08 /* R = (A & X) ^ Y */
+#define iTSTNEG 0x09 /* R = (A >= Y) ? X : ~X */
+#define iLIMITGE 0x0a /* R = (A >= Y) ? X : Y */
+#define iLIMITLT 0x0b /* R = (A < Y) ? X : Y */
+#define iLOG 0x0c /* R = linear_data, A (log_data), X (max_exp), Y (format_word) */
+#define iEXP 0x0d /* R = log_data, A (linear_data), X (max_exp), Y (format_word) */
+#define iINTERP 0x0e /* R = A + (X * (Y - A) >> 31) ; saturation */
+#define iSKIP 0x0f /* R = A (cc_reg), X (count), Y (cc_test) */
+
+/* GPRs */
+#define FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x0f */
+#define EXTIN(x) (0x10 + (x)) /* x = 0x00 - 0x0f */
+#define EXTOUT(x) (0x20 + (x)) /* x = 0x00 - 0x0f */
+#define C_00000000 0x40
+#define C_00000001 0x41
+#define C_00000002 0x42
+#define C_00000003 0x43
+#define C_00000004 0x44
+#define C_00000008 0x45
+#define C_00000010 0x46
+#define C_00000020 0x47
+#define C_00000100 0x48
+#define C_00010000 0x49
+#define C_00080000 0x4a
+#define C_10000000 0x4b
+#define C_20000000 0x4c
+#define C_40000000 0x4d
+#define C_80000000 0x4e
+#define C_7fffffff 0x4f
+#define C_ffffffff 0x50
+#define C_fffffffe 0x51
+#define C_c0000000 0x52
+#define C_4f1bbcdc 0x53
+#define C_5a7ef9db 0x54
+#define C_00100000 0x55 /* ?? */
+#define GPR_ACCU 0x56 /* ACCUM, accumulator */
+#define GPR_COND 0x57 /* CCR, condition register */
+#define GPR_NOISE0 0x58 /* noise source */
+#define GPR_NOISE1 0x59 /* noise source */
+#define GPR_IRQ 0x5a /* IRQ register */
+#define GPR_DBAC 0x5b /* TRAM Delay Base Address Counter */
+#define GPR(x) (FXGPREGBASE + (x)) /* free GPRs: x = 0x00 - 0xff */
+#define ITRAM_DATA(x) (TANKMEMDATAREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
+#define ETRAM_DATA(x) (TANKMEMDATAREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
+#define ITRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x00 + (x)) /* x = 0x00 - 0x7f */
+#define ETRAM_ADDR(x) (TANKMEMADDRREGBASE + 0x80 + (x)) /* x = 0x00 - 0x1f */
+
+#define A_FXBUS(x) (0x00 + (x)) /* x = 0x00 - 0x3f? */
+#define A_EXTIN(x) (0x40 + (x)) /* x = 0x00 - 0x1f? */
+#define A_EXTOUT(x) (0x60 + (x)) /* x = 0x00 - 0x1f? */
+#define A_GPR(x) (A_FXGPREGBASE + (x))
+
+/* cc_reg constants */
+#define CC_REG_NORMALIZED C_00000001
+#define CC_REG_BORROW C_00000002
+#define CC_REG_MINUS C_00000004
+#define CC_REG_ZERO C_00000008
+#define CC_REG_SATURATE C_00000010
+#define CC_REG_NONZERO C_00000100
+
+/* FX buses */
+#define FXBUS_PCM_LEFT 0x00
+#define FXBUS_PCM_RIGHT 0x01
+#define FXBUS_PCM_LEFT_REAR 0x02
+#define FXBUS_PCM_RIGHT_REAR 0x03
+#define FXBUS_MIDI_LEFT 0x04
+#define FXBUS_MIDI_RIGHT 0x05
+#define FXBUS_PCM_CENTER 0x06
+#define FXBUS_PCM_LFE 0x07
+#define FXBUS_PCM_LEFT_FRONT 0x08
+#define FXBUS_PCM_RIGHT_FRONT 0x09
+#define FXBUS_MIDI_REVERB 0x0c
+#define FXBUS_MIDI_CHORUS 0x0d
+#define FXBUS_PCM_LEFT_SIDE 0x0e
+#define FXBUS_PCM_RIGHT_SIDE 0x0f
+#define FXBUS_PT_LEFT 0x14
+#define FXBUS_PT_RIGHT 0x15
+
+/* Inputs */
+#define EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */
+#define EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */
+#define EXTIN_SPDIF_CD_L 0x02 /* internal S/PDIF CD - onboard - left */
+#define EXTIN_SPDIF_CD_R 0x03 /* internal S/PDIF CD - onboard - right */
+#define EXTIN_ZOOM_L 0x04 /* Zoom Video I2S - left */
+#define EXTIN_ZOOM_R 0x05 /* Zoom Video I2S - right */
+#define EXTIN_TOSLINK_L 0x06 /* LiveDrive - TOSLink Optical - left */
+#define EXTIN_TOSLINK_R 0x07 /* LiveDrive - TOSLink Optical - right */
+#define EXTIN_LINE1_L 0x08 /* LiveDrive - Line/Mic 1 - left */
+#define EXTIN_LINE1_R 0x09 /* LiveDrive - Line/Mic 1 - right */
+#define EXTIN_COAX_SPDIF_L 0x0a /* LiveDrive - Coaxial S/PDIF - left */
+#define EXTIN_COAX_SPDIF_R 0x0b /* LiveDrive - Coaxial S/PDIF - right */
+#define EXTIN_LINE2_L 0x0c /* LiveDrive - Line/Mic 2 - left */
+#define EXTIN_LINE2_R 0x0d /* LiveDrive - Line/Mic 2 - right */
+
+/* Outputs */
+#define EXTOUT_AC97_L 0x00 /* AC'97 playback channel - left */
+#define EXTOUT_AC97_R 0x01 /* AC'97 playback channel - right */
+#define EXTOUT_TOSLINK_L 0x02 /* LiveDrive - TOSLink Optical - left */
+#define EXTOUT_TOSLINK_R 0x03 /* LiveDrive - TOSLink Optical - right */
+#define EXTOUT_AC97_CENTER 0x04 /* SB Live 5.1 - center */
+#define EXTOUT_AC97_LFE 0x05 /* SB Live 5.1 - LFE */
+#define EXTOUT_HEADPHONE_L 0x06 /* LiveDrive - Headphone - left */
+#define EXTOUT_HEADPHONE_R 0x07 /* LiveDrive - Headphone - right */
+#define EXTOUT_REAR_L 0x08 /* Rear channel - left */
+#define EXTOUT_REAR_R 0x09 /* Rear channel - right */
+#define EXTOUT_ADC_CAP_L 0x0a /* ADC Capture buffer - left */
+#define EXTOUT_ADC_CAP_R 0x0b /* ADC Capture buffer - right */
+#define EXTOUT_MIC_CAP 0x0c /* MIC Capture buffer */
+#define EXTOUT_AC97_REAR_L 0x0d /* SB Live 5.1 (c) 2003 - Rear Left */
+#define EXTOUT_AC97_REAR_R 0x0e /* SB Live 5.1 (c) 2003 - Rear Right */
+#define EXTOUT_ACENTER 0x11 /* Analog Center */
+#define EXTOUT_ALFE 0x12 /* Analog LFE */
+
+/* Audigy Inputs */
+#define A_EXTIN_AC97_L 0x00 /* AC'97 capture channel - left */
+#define A_EXTIN_AC97_R 0x01 /* AC'97 capture channel - right */
+#define A_EXTIN_SPDIF_CD_L 0x02 /* digital CD left */
+#define A_EXTIN_SPDIF_CD_R 0x03 /* digital CD left */
+#define A_EXTIN_OPT_SPDIF_L 0x04 /* audigy drive Optical SPDIF - left */
+#define A_EXTIN_OPT_SPDIF_R 0x05 /* right */
+#define A_EXTIN_LINE2_L 0x08 /* audigy drive line2/mic2 - left */
+#define A_EXTIN_LINE2_R 0x09 /* right */
+#define A_EXTIN_ADC_L 0x0a /* Philips ADC - left */
+#define A_EXTIN_ADC_R 0x0b /* right */
+#define A_EXTIN_AUX2_L 0x0c /* audigy drive aux2 - left */
+#define A_EXTIN_AUX2_R 0x0d /* - right */
+
+/* Audigiy Outputs */
+#define A_EXTOUT_FRONT_L 0x00 /* digital front left */
+#define A_EXTOUT_FRONT_R 0x01 /* right */
+#define A_EXTOUT_CENTER 0x02 /* digital front center */
+#define A_EXTOUT_LFE 0x03 /* digital front lfe */
+#define A_EXTOUT_HEADPHONE_L 0x04 /* headphone audigy drive left */
+#define A_EXTOUT_HEADPHONE_R 0x05 /* right */
+#define A_EXTOUT_REAR_L 0x06 /* digital rear left */
+#define A_EXTOUT_REAR_R 0x07 /* right */
+#define A_EXTOUT_AFRONT_L 0x08 /* analog front left */
+#define A_EXTOUT_AFRONT_R 0x09 /* right */
+#define A_EXTOUT_ACENTER 0x0a /* analog center */
+#define A_EXTOUT_ALFE 0x0b /* analog LFE */
+#define A_EXTOUT_ASIDE_L 0x0c /* analog side left - Audigy 2 ZS */
+#define A_EXTOUT_ASIDE_R 0x0d /* right - Audigy 2 ZS */
+#define A_EXTOUT_AREAR_L 0x0e /* analog rear left */
+#define A_EXTOUT_AREAR_R 0x0f /* right */
+#define A_EXTOUT_AC97_L 0x10 /* AC97 left (front) */
+#define A_EXTOUT_AC97_R 0x11 /* right */
+#define A_EXTOUT_ADC_CAP_L 0x16 /* ADC capture buffer left */
+#define A_EXTOUT_ADC_CAP_R 0x17 /* right */
+#define A_EXTOUT_MIC_CAP 0x18 /* Mic capture buffer */
+
+/* Audigy constants */
+#define A_C_00000000 0xc0
+#define A_C_00000001 0xc1
+#define A_C_00000002 0xc2
+#define A_C_00000003 0xc3
+#define A_C_00000004 0xc4
+#define A_C_00000008 0xc5
+#define A_C_00000010 0xc6
+#define A_C_00000020 0xc7
+#define A_C_00000100 0xc8
+#define A_C_00010000 0xc9
+#define A_C_00000800 0xca
+#define A_C_10000000 0xcb
+#define A_C_20000000 0xcc
+#define A_C_40000000 0xcd
+#define A_C_80000000 0xce
+#define A_C_7fffffff 0xcf
+#define A_C_ffffffff 0xd0
+#define A_C_fffffffe 0xd1
+#define A_C_c0000000 0xd2
+#define A_C_4f1bbcdc 0xd3
+#define A_C_5a7ef9db 0xd4
+#define A_C_00100000 0xd5
+#define A_GPR_ACCU 0xd6 /* ACCUM, accumulator */
+#define A_GPR_COND 0xd7 /* CCR, condition register */
+#define A_GPR_NOISE0 0xd8 /* noise source */
+#define A_GPR_NOISE1 0xd9 /* noise source */
+#define A_GPR_IRQ 0xda /* IRQ register */
+#define A_GPR_DBAC 0xdb /* TRAM Delay Base Address Counter - internal */
+#define A_GPR_DBACE 0xde /* TRAM Delay Base Address Counter - external */
+
+/* definitions for debug register */
+#define EMU10K1_DBG_ZC 0x80000000 /* zero tram counter */
+#define EMU10K1_DBG_SATURATION_OCCURED 0x02000000 /* saturation control */
+#define EMU10K1_DBG_SATURATION_ADDR 0x01ff0000 /* saturation address */
+#define EMU10K1_DBG_SINGLE_STEP 0x00008000 /* single step mode */
+#define EMU10K1_DBG_STEP 0x00004000 /* start single step */
+#define EMU10K1_DBG_CONDITION_CODE 0x00003e00 /* condition code */
+#define EMU10K1_DBG_SINGLE_STEP_ADDR 0x000001ff /* single step address */
+
+/* tank memory address line */
+#ifndef __KERNEL__
+#define TANKMEMADDRREG_ADDR_MASK 0x000fffff /* 20 bit tank address field */
+#define TANKMEMADDRREG_CLEAR 0x00800000 /* Clear tank memory */
+#define TANKMEMADDRREG_ALIGN 0x00400000 /* Align read or write relative to tank access */
+#define TANKMEMADDRREG_WRITE 0x00200000 /* Write to tank memory */
+#define TANKMEMADDRREG_READ 0x00100000 /* Read from tank memory */
+#endif
+
+typedef struct {
+ unsigned int internal_tram_size; /* in samples */
+ unsigned int external_tram_size; /* in samples */
+ char fxbus_names[16][32]; /* names of FXBUSes */
+ char extin_names[16][32]; /* names of external inputs */
+ char extout_names[32][32]; /* names of external outputs */
+ unsigned int gpr_controls; /* count of GPR controls */
+} emu10k1_fx8010_info_t;
+
+#define EMU10K1_GPR_TRANSLATION_NONE 0
+#define EMU10K1_GPR_TRANSLATION_TABLE100 1
+#define EMU10K1_GPR_TRANSLATION_BASS 2
+#define EMU10K1_GPR_TRANSLATION_TREBLE 3
+#define EMU10K1_GPR_TRANSLATION_ONOFF 4
+
+enum emu10k1_ctl_elem_iface {
+ EMU10K1_CTL_ELEM_IFACE_MIXER = 2, /* virtual mixer device */
+ EMU10K1_CTL_ELEM_IFACE_PCM = 3, /* PCM device */
+};
+
+typedef struct {
+ unsigned int pad; /* don't use */
+ int iface; /* interface identifier */
+ unsigned int device; /* device/client number */
+ unsigned int subdevice; /* subdevice (substream) number */
+ unsigned char name[44]; /* ASCII name of item */
+ unsigned int index; /* index of item */
+} emu10k1_ctl_elem_id_t;
+
+typedef struct {
+ emu10k1_ctl_elem_id_t id; /* full control ID definition */
+ unsigned int vcount; /* visible count */
+ unsigned int count; /* count of GPR (1..16) */
+ unsigned short gpr[32]; /* GPR number(s) */
+ unsigned int value[32]; /* initial values */
+ unsigned int min; /* minimum range */
+ unsigned int max; /* maximum range */
+ unsigned int translation; /* translation type (EMU10K1_GPR_TRANSLATION*) */
+ unsigned int *tlv;
+} emu10k1_fx8010_control_gpr_t;
+
+typedef struct {
+ char name[128];
+
+ unsigned long gpr_valid[0x200/(sizeof(unsigned long)*8)]; /* bitmask of valid initializers */
+ uint32_t *gpr_map; /* initializers */
+
+ unsigned int gpr_add_control_count; /* count of GPR controls to add/replace */
+ emu10k1_fx8010_control_gpr_t *gpr_add_controls; /* GPR controls to add/replace */
+
+ unsigned int gpr_del_control_count; /* count of GPR controls to remove */
+ emu10k1_ctl_elem_id_t *gpr_del_controls; /* IDs of GPR controls to remove */
+
+ unsigned int gpr_list_control_count; /* count of GPR controls to list */
+ unsigned int gpr_list_control_total; /* total count of GPR controls */
+ emu10k1_fx8010_control_gpr_t *gpr_list_controls; /* listed GPR controls */
+
+ unsigned long tram_valid[0x100/(sizeof(unsigned long)*8)]; /* bitmask of valid initializers */
+ uint32_t *tram_data_map; /* data initializers */
+ uint32_t *tram_addr_map; /* map initializers */
+
+ unsigned long code_valid[1024/(sizeof(unsigned long)*8)]; /* bitmask of valid instructions */
+ uint32_t *code; /* one instruction - 64 bits */
+} emu10k1_fx8010_code_t;
+
+typedef struct {
+ unsigned int address; /* 31.bit == 1 -> external TRAM */
+ unsigned int size; /* size in samples (4 bytes) */
+ unsigned int *samples; /* pointer to samples (20-bit) */
+ /* NULL->clear memory */
+} emu10k1_fx8010_tram_t;
+
+typedef struct {
+ unsigned int substream; /* substream number */
+ unsigned int res1; /* reserved */
+ unsigned int channels; /* 16-bit channels count, zero = remove this substream */
+ unsigned int tram_start; /* ring buffer position in TRAM (in samples) */
+ unsigned int buffer_size; /* count of buffered samples */
+ unsigned short gpr_size; /* GPR containing size of ringbuffer in samples (host) */
+ unsigned short gpr_ptr; /* GPR containing current pointer in the ring buffer (host = reset, FX8010) */
+ unsigned short gpr_count; /* GPR containing count of samples between two interrupts (host) */
+ unsigned short gpr_tmpcount; /* GPR containing current count of samples to interrupt (host = set, FX8010) */
+ unsigned short gpr_trigger; /* GPR containing trigger (activate) information (host) */
+ unsigned short gpr_running; /* GPR containing info if PCM is running (FX8010) */
+ unsigned char pad; /* reserved */
+ unsigned char etram[32]; /* external TRAM address & data (one per channel) */
+ unsigned int res2; /* reserved */
+} emu10k1_fx8010_pcm_t;
+
+#define SNDRV_EMU10K1_IOCTL_INFO _IOR ('H', 0x10, emu10k1_fx8010_info_t)
+#define SNDRV_EMU10K1_IOCTL_CODE_POKE _IOW ('H', 0x11, emu10k1_fx8010_code_t)
+#define SNDRV_EMU10K1_IOCTL_CODE_PEEK _IOWR('H', 0x12, emu10k1_fx8010_code_t)
+#define SNDRV_EMU10K1_IOCTL_TRAM_SETUP _IOW ('H', 0x20, int)
+#define SNDRV_EMU10K1_IOCTL_TRAM_POKE _IOW ('H', 0x21, emu10k1_fx8010_tram_t)
+#define SNDRV_EMU10K1_IOCTL_TRAM_PEEK _IOWR('H', 0x22, emu10k1_fx8010_tram_t)
+#define SNDRV_EMU10K1_IOCTL_PCM_POKE _IOW ('H', 0x30, emu10k1_fx8010_pcm_t)
+#define SNDRV_EMU10K1_IOCTL_PCM_PEEK _IOWR('H', 0x31, emu10k1_fx8010_pcm_t)
+#define SNDRV_EMU10K1_IOCTL_PVERSION _IOR ('H', 0x40, int)
+#define SNDRV_EMU10K1_IOCTL_STOP _IO ('H', 0x80)
+#define SNDRV_EMU10K1_IOCTL_CONTINUE _IO ('H', 0x81)
+#define SNDRV_EMU10K1_IOCTL_ZERO_TRAM_COUNTER _IO ('H', 0x82)
+#define SNDRV_EMU10K1_IOCTL_SINGLE_STEP _IOW ('H', 0x83, int)
+#define SNDRV_EMU10K1_IOCTL_DBG_READ _IOR ('H', 0x84, int)
+
+#endif /* __SOUND_EMU10K1_H */
diff --git a/include/sound/hdsp.h b/include/sound/hdsp.h
new file mode 100644
index 0000000..5adaf7b
--- /dev/null
+++ b/include/sound/hdsp.h
@@ -0,0 +1,113 @@
+#ifndef __SOUND_HDSP_H
+#define __SOUND_HDSP_H
+
+/*
+ * Copyright (C) 2003 Thomas Charbonnel (thomas@undata.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdint.h>
+
+#define HDSP_MATRIX_MIXER_SIZE 2048
+
+typedef enum {
+ Digiface,
+ Multiface,
+ H9652,
+ H9632,
+ RPM,
+ Undefined,
+} HDSP_IO_Type;
+
+typedef struct _snd_hdsp_peak_rms hdsp_peak_rms_t;
+
+struct _snd_hdsp_peak_rms {
+ uint32_t input_peaks[26];
+ uint32_t playback_peaks[26];
+ uint32_t output_peaks[28];
+ uint64_t input_rms[26];
+ uint64_t playback_rms[26];
+ /* These are only used for H96xx cards */
+ uint64_t output_rms[26];
+};
+
+#define SNDRV_HDSP_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, hdsp_peak_rms_t)
+
+typedef struct _snd_hdsp_config_info hdsp_config_info_t;
+
+struct _snd_hdsp_config_info {
+ unsigned char pref_sync_ref;
+ unsigned char wordclock_sync_check;
+ unsigned char spdif_sync_check;
+ unsigned char adatsync_sync_check;
+ unsigned char adat_sync_check[3];
+ unsigned char spdif_in;
+ unsigned char spdif_out;
+ unsigned char spdif_professional;
+ unsigned char spdif_emphasis;
+ unsigned char spdif_nonaudio;
+ unsigned int spdif_sample_rate;
+ unsigned int system_sample_rate;
+ unsigned int autosync_sample_rate;
+ unsigned char system_clock_mode;
+ unsigned char clock_source;
+ unsigned char autosync_ref;
+ unsigned char line_out;
+ unsigned char passthru;
+ unsigned char da_gain;
+ unsigned char ad_gain;
+ unsigned char phone_gain;
+ unsigned char xlr_breakout_cable;
+ unsigned char analog_extension_board;
+};
+
+#define SNDRV_HDSP_IOCTL_GET_CONFIG_INFO _IOR('H', 0x41, hdsp_config_info_t)
+
+typedef struct _snd_hdsp_firmware hdsp_firmware_t;
+
+struct _snd_hdsp_firmware {
+ void *firmware_data; /* 24413 x 4 bytes */
+};
+
+#define SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE _IOW('H', 0x42, hdsp_firmware_t)
+
+typedef struct _snd_hdsp_version hdsp_version_t;
+
+struct _snd_hdsp_version {
+ HDSP_IO_Type io_type;
+ unsigned short firmware_rev;
+};
+
+#define SNDRV_HDSP_IOCTL_GET_VERSION _IOR('H', 0x43, hdsp_version_t)
+
+typedef struct _snd_hdsp_mixer hdsp_mixer_t;
+
+struct _snd_hdsp_mixer {
+ unsigned short matrix[HDSP_MATRIX_MIXER_SIZE];
+};
+
+#define SNDRV_HDSP_IOCTL_GET_MIXER _IOR('H', 0x44, hdsp_mixer_t)
+
+typedef struct _snd_hdsp_9632_aeb hdsp_9632_aeb_t;
+
+struct _snd_hdsp_9632_aeb {
+ int aebi;
+ int aebo;
+};
+
+#define SNDRV_HDSP_IOCTL_GET_9632_AEB _IOR('H', 0x45, hdsp_9632_aeb_t)
+
+#endif /* __SOUND_HDSP_H */
diff --git a/include/sound/hdspm.h b/include/sound/hdspm.h
new file mode 100644
index 0000000..fe9c5f6
--- /dev/null
+++ b/include/sound/hdspm.h
@@ -0,0 +1,229 @@
+#ifndef __SOUND_HDSPM_H
+#define __SOUND_HDSPM_H
+/*
+ * Copyright (C) 2003 Winfried Ritsch (IEM)
+ * based on hdsp.h from Thomas Charbonnel (thomas@undata.org)
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Maximum channels is 64 even on 56Mode you have 64playbacks to matrix */
+#define HDSPM_MAX_CHANNELS 64
+
+enum hdspm_io_type {
+ MADI,
+ MADIface,
+ AIO,
+ AES32,
+ RayDAT
+};
+
+enum hdspm_speed {
+ ss,
+ ds,
+ qs
+};
+
+/* -------------------- IOCTL Peak/RMS Meters -------------------- */
+
+struct hdspm_peak_rms {
+ uint32_t input_peaks[64];
+ uint32_t playback_peaks[64];
+ uint32_t output_peaks[64];
+
+ uint64_t input_rms[64];
+ uint64_t playback_rms[64];
+ uint64_t output_rms[64];
+
+ uint8_t speed; /* enum {ss, ds, qs} */
+ int status2;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_PEAK_RMS \
+ _IOR('H', 0x42, struct hdspm_peak_rms)
+
+/* ------------ CONFIG block IOCTL ---------------------- */
+
+struct hdspm_config {
+ unsigned char pref_sync_ref;
+ unsigned char wordclock_sync_check;
+ unsigned char madi_sync_check;
+ unsigned int system_sample_rate;
+ unsigned int autosync_sample_rate;
+ unsigned char system_clock_mode;
+ unsigned char clock_source;
+ unsigned char autosync_ref;
+ unsigned char line_out;
+ unsigned int passthru;
+ unsigned int analog_out;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_CONFIG \
+ _IOR('H', 0x41, struct hdspm_config)
+
+/**
+ * If there's a TCO (TimeCode Option) board installed,
+ * there are further options and status data available.
+ * The hdspm_ltc structure contains the current SMPTE
+ * timecode and some status information and can be
+ * obtained via SNDRV_HDSPM_IOCTL_GET_LTC or in the
+ * hdspm_status struct.
+ **/
+
+enum hdspm_ltc_format {
+ format_invalid,
+ fps_24,
+ fps_25,
+ fps_2997,
+ fps_30
+};
+
+enum hdspm_ltc_frame {
+ frame_invalid,
+ drop_frame,
+ full_frame
+};
+
+enum hdspm_ltc_input_format {
+ ntsc,
+ pal,
+ no_video
+};
+
+struct hdspm_ltc {
+ unsigned int ltc;
+
+ enum hdspm_ltc_format format;
+ enum hdspm_ltc_frame frame;
+ enum hdspm_ltc_input_format input_format;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_LTC _IOR('H', 0x46, struct hdspm_ltc)
+
+/**
+ * The status data reflects the device's current state
+ * as determined by the card's configuration and
+ * connection status.
+ **/
+
+enum hdspm_sync {
+ hdspm_sync_no_lock = 0,
+ hdspm_sync_lock = 1,
+ hdspm_sync_sync = 2
+};
+
+enum hdspm_madi_input {
+ hdspm_input_optical = 0,
+ hdspm_input_coax = 1
+};
+
+enum hdspm_madi_channel_format {
+ hdspm_format_ch_64 = 0,
+ hdspm_format_ch_56 = 1
+};
+
+enum hdspm_madi_frame_format {
+ hdspm_frame_48 = 0,
+ hdspm_frame_96 = 1
+};
+
+enum hdspm_syncsource {
+ syncsource_wc = 0,
+ syncsource_madi = 1,
+ syncsource_tco = 2,
+ syncsource_sync = 3,
+ syncsource_none = 4
+};
+
+struct hdspm_status {
+ uint8_t card_type; /* enum hdspm_io_type */
+ enum hdspm_syncsource autosync_source;
+
+ uint64_t card_clock;
+ uint32_t master_period;
+
+ union {
+ struct {
+ uint8_t sync_wc; /* enum hdspm_sync */
+ uint8_t sync_madi; /* enum hdspm_sync */
+ uint8_t sync_tco; /* enum hdspm_sync */
+ uint8_t sync_in; /* enum hdspm_sync */
+ uint8_t madi_input; /* enum hdspm_madi_input */
+ uint8_t channel_format; /* enum hdspm_madi_channel_format */
+ uint8_t frame_format; /* enum hdspm_madi_frame_format */
+ } madi;
+ } card_specific;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_STATUS \
+ _IOR('H', 0x47, struct hdspm_status)
+
+/**
+ * Get information about the card and its add-ons.
+ **/
+
+#define HDSPM_ADDON_TCO 1
+
+struct hdspm_version {
+ uint8_t card_type; /* enum hdspm_io_type */
+ char cardname[20];
+ unsigned int serial;
+ unsigned short firmware_rev;
+ int addons;
+};
+
+#define SNDRV_HDSPM_IOCTL_GET_VERSION _IOR('H', 0x48, struct hdspm_version)
+
+/* ------------- get Matrix Mixer IOCTL --------------- */
+
+/* MADI mixer: 64inputs+64playback in 64outputs = 8192 => *4Byte =
+ * 32768 Bytes
+ */
+
+/* organisation is 64 channelfader in a continous memory block */
+/* equivalent to hardware definition, maybe for future feature of mmap of
+ * them
+ */
+/* each of 64 outputs has 64 infader and 64 outfader:
+ Ins to Outs mixer[out].in[in], Outstreams to Outs mixer[out].pb[pb] */
+
+#define HDSPM_MIXER_CHANNELS HDSPM_MAX_CHANNELS
+
+struct hdspm_channelfader {
+ unsigned int in[HDSPM_MIXER_CHANNELS];
+ unsigned int pb[HDSPM_MIXER_CHANNELS];
+};
+
+struct hdspm_mixer {
+ struct hdspm_channelfader ch[HDSPM_MIXER_CHANNELS];
+};
+
+struct hdspm_mixer_ioctl {
+ struct hdspm_mixer *mixer;
+};
+
+/* use indirect access due to the limit of ioctl bit size */
+#define SNDRV_HDSPM_IOCTL_GET_MIXER _IOR('H', 0x44, struct hdspm_mixer_ioctl)
+
+/* typedefs for compatibility to user-space */
+typedef struct hdspm_peak_rms hdspm_peak_rms_t;
+typedef struct hdspm_config_info hdspm_config_info_t;
+typedef struct hdspm_version hdspm_version_t;
+typedef struct hdspm_channelfader snd_hdspm_channelfader_t;
+typedef struct hdspm_mixer hdspm_mixer_t;
+
+
+#endif
diff --git a/include/sound/sb16_csp.h b/include/sound/sb16_csp.h
new file mode 100644
index 0000000..78817b4
--- /dev/null
+++ b/include/sound/sb16_csp.h
@@ -0,0 +1,115 @@
+#ifndef __SOUND_SB16_CSP_H
+#define __SOUND_SB16_CSP_H
+
+/*
+ * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
+ * Takashi Iwai <tiwai@suse.de>
+ *
+ * SB16ASP/AWE32 CSP control
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* CSP modes */
+#define SNDRV_SB_CSP_MODE_NONE 0x00
+#define SNDRV_SB_CSP_MODE_DSP_READ 0x01 /* Record from DSP */
+#define SNDRV_SB_CSP_MODE_DSP_WRITE 0x02 /* Play to DSP */
+#define SNDRV_SB_CSP_MODE_QSOUND 0x04 /* QSound */
+
+/* CSP load flags */
+#define SNDRV_SB_CSP_LOAD_FROMUSER 0x01
+#define SNDRV_SB_CSP_LOAD_INITBLOCK 0x02
+
+/* CSP sample width */
+#define SNDRV_SB_CSP_SAMPLE_8BIT 0x01
+#define SNDRV_SB_CSP_SAMPLE_16BIT 0x02
+
+/* CSP channels */
+#define SNDRV_SB_CSP_MONO 0x01
+#define SNDRV_SB_CSP_STEREO 0x02
+
+/* CSP rates */
+#define SNDRV_SB_CSP_RATE_8000 0x01
+#define SNDRV_SB_CSP_RATE_11025 0x02
+#define SNDRV_SB_CSP_RATE_22050 0x04
+#define SNDRV_SB_CSP_RATE_44100 0x08
+#define SNDRV_SB_CSP_RATE_ALL 0x0f
+
+/* CSP running state */
+#define SNDRV_SB_CSP_ST_IDLE 0x00
+#define SNDRV_SB_CSP_ST_LOADED 0x01
+#define SNDRV_SB_CSP_ST_RUNNING 0x02
+#define SNDRV_SB_CSP_ST_PAUSED 0x04
+#define SNDRV_SB_CSP_ST_AUTO 0x08
+#define SNDRV_SB_CSP_ST_QSOUND 0x10
+
+/* maximum QSound value (180 degrees right) */
+#define SNDRV_SB_CSP_QSOUND_MAX_RIGHT 0x20
+
+/* maximum microcode RIFF file size */
+#define SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE 0x3000
+
+/* microcode header */
+typedef struct snd_sb_csp_mc_header {
+ char codec_name[16]; /* id name of codec */
+ unsigned short func_req; /* requested function */
+} snd_sb_csp_mc_header_t;
+
+/* microcode to be loaded */
+typedef struct snd_sb_csp_microcode {
+ snd_sb_csp_mc_header_t info;
+ unsigned char data[SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE];
+} snd_sb_csp_microcode_t;
+
+/* start CSP with sample_width in mono/stereo */
+typedef struct snd_sb_csp_start {
+ int sample_width; /* sample width, look above */
+ int channels; /* channels, look above */
+} snd_sb_csp_start_t;
+
+/* CSP information */
+typedef struct snd_sb_csp_info {
+ char codec_name[16]; /* id name of codec */
+ unsigned short func_nr; /* function number */
+ unsigned int acc_format; /* accepted PCM formats */
+ unsigned short acc_channels; /* accepted channels */
+ unsigned short acc_width; /* accepted sample width */
+ unsigned short acc_rates; /* accepted sample rates */
+ unsigned short csp_mode; /* CSP mode, see above */
+ unsigned short run_channels; /* current channels */
+ unsigned short run_width; /* current sample width */
+ unsigned short version; /* version id: 0x10 - 0x1f */
+ unsigned short state; /* state bits */
+} snd_sb_csp_info_t;
+
+/* HWDEP controls */
+/* get CSP information */
+#define SNDRV_SB_CSP_IOCTL_INFO _IOR('H', 0x10, snd_sb_csp_info_t)
+/* load microcode to CSP */
+#define SNDRV_SB_CSP_IOCTL_LOAD_CODE _IOW('H', 0x11, snd_sb_csp_microcode_t)
+/* unload microcode from CSP */
+#define SNDRV_SB_CSP_IOCTL_UNLOAD_CODE _IO('H', 0x12)
+/* start CSP */
+#define SNDRV_SB_CSP_IOCTL_START _IOW('H', 0x13, snd_sb_csp_start_t)
+/* stop CSP */
+#define SNDRV_SB_CSP_IOCTL_STOP _IO('H', 0x14)
+/* pause CSP and DMA transfer */
+#define SNDRV_SB_CSP_IOCTL_PAUSE _IO('H', 0x15)
+/* restart CSP and DMA transfer */
+#define SNDRV_SB_CSP_IOCTL_RESTART _IO('H', 0x16)
+
+
+#endif /* __SOUND_SB16_CSP */
diff --git a/include/sound/sscape_ioctl.h b/include/sound/sscape_ioctl.h
new file mode 100644
index 0000000..c6653eb
--- /dev/null
+++ b/include/sound/sscape_ioctl.h
@@ -0,0 +1,21 @@
+#ifndef SSCAPE_IOCTL_H
+#define SSCAPE_IOCTL_H
+
+
+struct sscape_bootblock
+{
+ unsigned char code[256];
+ unsigned version;
+};
+
+#define SSCAPE_MICROCODE_SIZE 65536
+
+struct sscape_microcode
+{
+ unsigned char *code;
+};
+
+#define SND_SSCAPE_LOAD_BOOTB _IOWR('P', 100, struct sscape_bootblock)
+#define SND_SSCAPE_LOAD_MCODE _IOW ('P', 101, struct sscape_microcode)
+
+#endif
diff --git a/include/sound/type_compat.h b/include/sound/type_compat.h
new file mode 100644
index 0000000..eec86e4
--- /dev/null
+++ b/include/sound/type_compat.h
@@ -0,0 +1,40 @@
+#ifndef __TYPE_COMPAT_H
+#define __TYPE_COMPAT_H
+
+#ifndef DOC_HIDDEN
+#include <stdint.h>
+typedef uint8_t __u8;
+typedef uint16_t __u16;
+typedef uint32_t __u32;
+typedef int8_t __s8;
+typedef int16_t __s16;
+typedef int32_t __s32;
+
+#include <endian.h>
+#include <byteswap.h>
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define __cpu_to_le32(x) (x)
+#define __cpu_to_be32(x) bswap_32(x)
+#define __cpu_to_le16(x) (x)
+#define __cpu_to_be16(x) bswap_16(x)
+#else
+#define __cpu_to_le32(x) bswap_32(x)
+#define __cpu_to_be32(x) (x)
+#define __cpu_to_le16(x) bswap_16(x)
+#define __cpu_to_be16(x) (x)
+#endif
+
+#define __le32_to_cpu __cpu_to_le32
+#define __be32_to_cpu __cpu_to_be32
+#define __le16_to_cpu __cpu_to_le16
+#define __be16_to_cpu __cpu_to_be16
+
+#define __le64 __u64
+#define __le32 __u32
+#define __le16 __u16
+#define __be64 __u64
+#define __be32 __u32
+#define __be16 __u16
+#endif /* DOC_HIDDEN */
+
+#endif /* __TYPE_COMPAT_H */
diff --git a/include/sys.h b/include/sys.h
new file mode 100644
index 0000000..47f587c
--- /dev/null
+++ b/include/sys.h
@@ -0,0 +1,2 @@
+#warning This header is deprecated, use <alsa/asoundlib.h> instead.
+#include <alsa/asoundlib.h>
diff --git a/include/timer.h b/include/timer.h
new file mode 100644
index 0000000..2803f53
--- /dev/null
+++ b/include/timer.h
@@ -0,0 +1,259 @@
+/**
+ * \file include/timer.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver
+ */
+/*
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_TIMER_H
+#define __ALSA_TIMER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Timer Timer Interface
+ * Timer Interface. See \ref timer page for more details.
+ * \{
+ */
+
+/** dlsym version for interface entry callback */
+#define SND_TIMER_DLSYM_VERSION _dlsym_timer_001
+/** dlsym version for interface entry callback */
+#define SND_TIMER_QUERY_DLSYM_VERSION _dlsym_timer_query_001
+
+/** timer identification structure */
+typedef struct _snd_timer_id snd_timer_id_t;
+/** timer global info structure */
+typedef struct _snd_timer_ginfo snd_timer_ginfo_t;
+/** timer global params structure */
+typedef struct _snd_timer_gparams snd_timer_gparams_t;
+/** timer global status structure */
+typedef struct _snd_timer_gstatus snd_timer_gstatus_t;
+/** timer info structure */
+typedef struct _snd_timer_info snd_timer_info_t;
+/** timer params structure */
+typedef struct _snd_timer_params snd_timer_params_t;
+/** timer status structure */
+typedef struct _snd_timer_status snd_timer_status_t;
+/** timer master class */
+typedef enum _snd_timer_class {
+ SND_TIMER_CLASS_NONE = -1, /**< invalid */
+ SND_TIMER_CLASS_SLAVE = 0, /**< slave timer */
+ SND_TIMER_CLASS_GLOBAL, /**< global timer */
+ SND_TIMER_CLASS_CARD, /**< card timer */
+ SND_TIMER_CLASS_PCM, /**< PCM timer */
+ SND_TIMER_CLASS_LAST = SND_TIMER_CLASS_PCM /**< last timer */
+} snd_timer_class_t;
+
+/** timer slave class */
+typedef enum _snd_timer_slave_class {
+ SND_TIMER_SCLASS_NONE = 0, /**< none */
+ SND_TIMER_SCLASS_APPLICATION, /**< for internal use */
+ SND_TIMER_SCLASS_SEQUENCER, /**< sequencer timer */
+ SND_TIMER_SCLASS_OSS_SEQUENCER, /**< OSS sequencer timer */
+ SND_TIMER_SCLASS_LAST = SND_TIMER_SCLASS_OSS_SEQUENCER /**< last slave timer */
+} snd_timer_slave_class_t;
+
+/** timer read event identification */
+typedef enum _snd_timer_event {
+ SND_TIMER_EVENT_RESOLUTION = 0, /* val = resolution in ns */
+ SND_TIMER_EVENT_TICK, /* val = ticks */
+ SND_TIMER_EVENT_START, /* val = resolution in ns */
+ SND_TIMER_EVENT_STOP, /* val = 0 */
+ SND_TIMER_EVENT_CONTINUE, /* val = resolution in ns */
+ SND_TIMER_EVENT_PAUSE, /* val = 0 */
+ SND_TIMER_EVENT_EARLY, /* val = 0 */
+ SND_TIMER_EVENT_SUSPEND, /* val = 0 */
+ SND_TIMER_EVENT_RESUME, /* val = resolution in ns */
+ /* master timer events for slave timer instances */
+ SND_TIMER_EVENT_MSTART = SND_TIMER_EVENT_START + 10,
+ SND_TIMER_EVENT_MSTOP = SND_TIMER_EVENT_STOP + 10,
+ SND_TIMER_EVENT_MCONTINUE = SND_TIMER_EVENT_CONTINUE + 10,
+ SND_TIMER_EVENT_MPAUSE = SND_TIMER_EVENT_PAUSE + 10,
+ SND_TIMER_EVENT_MSUSPEND = SND_TIMER_EVENT_SUSPEND + 10,
+ SND_TIMER_EVENT_MRESUME = SND_TIMER_EVENT_RESUME + 10
+} snd_timer_event_t;
+
+/** timer read structure */
+typedef struct _snd_timer_read {
+ unsigned int resolution; /**< tick resolution in nanoseconds */
+ unsigned int ticks; /**< count of happened ticks */
+} snd_timer_read_t;
+
+/** timer tstamp + event read structure */
+typedef struct _snd_timer_tread {
+ snd_timer_event_t event; /**< Timer event */
+ snd_htimestamp_t tstamp; /**< Time stamp of each event */
+ unsigned int val; /**< Event value */
+} snd_timer_tread_t;
+
+/** global timer - system */
+#define SND_TIMER_GLOBAL_SYSTEM 0
+/** global timer - RTC */
+#define SND_TIMER_GLOBAL_RTC 1
+/** global timer - HPET */
+#define SND_TIMER_GLOBAL_HPET 2
+/** global timer - HRTIMER */
+#define SND_TIMER_GLOBAL_HRTIMER 3
+
+/** timer open mode flag - non-blocking behaviour */
+#define SND_TIMER_OPEN_NONBLOCK (1<<0)
+/** use timestamps and event notification - enhanced read */
+#define SND_TIMER_OPEN_TREAD (1<<1)
+
+/** timer handle type */
+typedef enum _snd_timer_type {
+ /** Kernel level HwDep */
+ SND_TIMER_TYPE_HW = 0,
+ /** Shared memory client timer (not yet implemented) */
+ SND_TIMER_TYPE_SHM,
+ /** INET client timer (not yet implemented) */
+ SND_TIMER_TYPE_INET
+} snd_timer_type_t;
+
+/** timer query handle */
+typedef struct _snd_timer_query snd_timer_query_t;
+/** timer handle */
+typedef struct _snd_timer snd_timer_t;
+
+
+int snd_timer_query_open(snd_timer_query_t **handle, const char *name, int mode);
+int snd_timer_query_open_lconf(snd_timer_query_t **handle, const char *name, int mode, snd_config_t *lconf);
+int snd_timer_query_close(snd_timer_query_t *handle);
+int snd_timer_query_next_device(snd_timer_query_t *handle, snd_timer_id_t *tid);
+int snd_timer_query_info(snd_timer_query_t *handle, snd_timer_ginfo_t *info);
+int snd_timer_query_params(snd_timer_query_t *handle, snd_timer_gparams_t *params);
+int snd_timer_query_status(snd_timer_query_t *handle, snd_timer_gstatus_t *status);
+
+int snd_timer_open(snd_timer_t **handle, const char *name, int mode);
+int snd_timer_open_lconf(snd_timer_t **handle, const char *name, int mode, snd_config_t *lconf);
+int snd_timer_close(snd_timer_t *handle);
+int snd_async_add_timer_handler(snd_async_handler_t **handler, snd_timer_t *timer,
+ snd_async_callback_t callback, void *private_data);
+snd_timer_t *snd_async_handler_get_timer(snd_async_handler_t *handler);
+int snd_timer_poll_descriptors_count(snd_timer_t *handle);
+int snd_timer_poll_descriptors(snd_timer_t *handle, struct pollfd *pfds, unsigned int space);
+int snd_timer_poll_descriptors_revents(snd_timer_t *timer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_timer_info(snd_timer_t *handle, snd_timer_info_t *timer);
+int snd_timer_params(snd_timer_t *handle, snd_timer_params_t *params);
+int snd_timer_status(snd_timer_t *handle, snd_timer_status_t *status);
+int snd_timer_start(snd_timer_t *handle);
+int snd_timer_stop(snd_timer_t *handle);
+int snd_timer_continue(snd_timer_t *handle);
+ssize_t snd_timer_read(snd_timer_t *handle, void *buffer, size_t size);
+
+size_t snd_timer_id_sizeof(void);
+/** allocate #snd_timer_id_t container on stack */
+#define snd_timer_id_alloca(ptr) __snd_alloca(ptr, snd_timer_id)
+int snd_timer_id_malloc(snd_timer_id_t **ptr);
+void snd_timer_id_free(snd_timer_id_t *obj);
+void snd_timer_id_copy(snd_timer_id_t *dst, const snd_timer_id_t *src);
+
+void snd_timer_id_set_class(snd_timer_id_t *id, int dev_class);
+int snd_timer_id_get_class(snd_timer_id_t *id);
+void snd_timer_id_set_sclass(snd_timer_id_t *id, int dev_sclass);
+int snd_timer_id_get_sclass(snd_timer_id_t *id);
+void snd_timer_id_set_card(snd_timer_id_t *id, int card);
+int snd_timer_id_get_card(snd_timer_id_t *id);
+void snd_timer_id_set_device(snd_timer_id_t *id, int device);
+int snd_timer_id_get_device(snd_timer_id_t *id);
+void snd_timer_id_set_subdevice(snd_timer_id_t *id, int subdevice);
+int snd_timer_id_get_subdevice(snd_timer_id_t *id);
+
+size_t snd_timer_ginfo_sizeof(void);
+/** allocate #snd_timer_ginfo_t container on stack */
+#define snd_timer_ginfo_alloca(ptr) __snd_alloca(ptr, snd_timer_ginfo)
+int snd_timer_ginfo_malloc(snd_timer_ginfo_t **ptr);
+void snd_timer_ginfo_free(snd_timer_ginfo_t *obj);
+void snd_timer_ginfo_copy(snd_timer_ginfo_t *dst, const snd_timer_ginfo_t *src);
+
+int snd_timer_ginfo_set_tid(snd_timer_ginfo_t *obj, snd_timer_id_t *tid);
+snd_timer_id_t *snd_timer_ginfo_get_tid(snd_timer_ginfo_t *obj);
+unsigned int snd_timer_ginfo_get_flags(snd_timer_ginfo_t *obj);
+int snd_timer_ginfo_get_card(snd_timer_ginfo_t *obj);
+char *snd_timer_ginfo_get_id(snd_timer_ginfo_t *obj);
+char *snd_timer_ginfo_get_name(snd_timer_ginfo_t *obj);
+unsigned long snd_timer_ginfo_get_resolution(snd_timer_ginfo_t *obj);
+unsigned long snd_timer_ginfo_get_resolution_min(snd_timer_ginfo_t *obj);
+unsigned long snd_timer_ginfo_get_resolution_max(snd_timer_ginfo_t *obj);
+unsigned int snd_timer_ginfo_get_clients(snd_timer_ginfo_t *obj);
+
+size_t snd_timer_info_sizeof(void);
+/** allocate #snd_timer_info_t container on stack */
+#define snd_timer_info_alloca(ptr) __snd_alloca(ptr, snd_timer_info)
+int snd_timer_info_malloc(snd_timer_info_t **ptr);
+void snd_timer_info_free(snd_timer_info_t *obj);
+void snd_timer_info_copy(snd_timer_info_t *dst, const snd_timer_info_t *src);
+
+int snd_timer_info_is_slave(snd_timer_info_t * info);
+int snd_timer_info_get_card(snd_timer_info_t * info);
+const char *snd_timer_info_get_id(snd_timer_info_t * info);
+const char *snd_timer_info_get_name(snd_timer_info_t * info);
+long snd_timer_info_get_resolution(snd_timer_info_t * info);
+
+size_t snd_timer_params_sizeof(void);
+/** allocate #snd_timer_params_t container on stack */
+#define snd_timer_params_alloca(ptr) __snd_alloca(ptr, snd_timer_params)
+int snd_timer_params_malloc(snd_timer_params_t **ptr);
+void snd_timer_params_free(snd_timer_params_t *obj);
+void snd_timer_params_copy(snd_timer_params_t *dst, const snd_timer_params_t *src);
+
+int snd_timer_params_set_auto_start(snd_timer_params_t * params, int auto_start);
+int snd_timer_params_get_auto_start(snd_timer_params_t * params);
+int snd_timer_params_set_exclusive(snd_timer_params_t * params, int exclusive);
+int snd_timer_params_get_exclusive(snd_timer_params_t * params);
+int snd_timer_params_set_early_event(snd_timer_params_t * params, int early_event);
+int snd_timer_params_get_early_event(snd_timer_params_t * params);
+void snd_timer_params_set_ticks(snd_timer_params_t * params, long ticks);
+long snd_timer_params_get_ticks(snd_timer_params_t * params);
+void snd_timer_params_set_queue_size(snd_timer_params_t * params, long queue_size);
+long snd_timer_params_get_queue_size(snd_timer_params_t * params);
+void snd_timer_params_set_filter(snd_timer_params_t * params, unsigned int filter);
+unsigned int snd_timer_params_get_filter(snd_timer_params_t * params);
+
+size_t snd_timer_status_sizeof(void);
+/** allocate #snd_timer_status_t container on stack */
+#define snd_timer_status_alloca(ptr) __snd_alloca(ptr, snd_timer_status)
+int snd_timer_status_malloc(snd_timer_status_t **ptr);
+void snd_timer_status_free(snd_timer_status_t *obj);
+void snd_timer_status_copy(snd_timer_status_t *dst, const snd_timer_status_t *src);
+
+snd_htimestamp_t snd_timer_status_get_timestamp(snd_timer_status_t * status);
+long snd_timer_status_get_resolution(snd_timer_status_t * status);
+long snd_timer_status_get_lost(snd_timer_status_t * status);
+long snd_timer_status_get_overrun(snd_timer_status_t * status);
+long snd_timer_status_get_queue(snd_timer_status_t * status);
+
+/* deprecated functions, for compatibility */
+long snd_timer_info_get_ticks(snd_timer_info_t * info);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /** __ALSA_TIMER_H */
+
diff --git a/include/use-case.h b/include/use-case.h
new file mode 100644
index 0000000..697377a
--- /dev/null
+++ b/include/use-case.h
@@ -0,0 +1,397 @@
+/**
+ * \file include/use-case.h
+ * \brief use case interface for the ALSA driver
+ * \author Liam Girdwood <lrg@slimlogic.co.uk>
+ * \author Stefan Schmidt <stefan@slimlogic.co.uk>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Justin Xu <justinx@slimlogic.co.uk>
+ * \date 2008-2010
+ */
+/*
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Copyright (C) 2008-2010 SlimLogic Ltd
+ * Copyright (C) 2010 Wolfson Microelectronics PLC
+ * Copyright (C) 2010 Texas Instruments Inc.
+ *
+ * Support for the verb/device/modifier core logic and API,
+ * command line tool and file parser was kindly sponsored by
+ * Texas Instruments Inc.
+ * Support for multiple active modifiers and devices,
+ * transition sequences, multiple client access and user defined use
+ * cases was kindly sponsored by Wolfson Microelectronics PLC.
+ */
+
+#ifndef __ALSA_USE_CASE_H
+#define __ALSA_USE_CASE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \defgroup Use Case Interface
+ * The ALSA Use Case manager interface.
+ * See \ref Usecase page for more details.
+ * \{
+ */
+
+/*! \page Usecase ALSA Use Case Interface
+ *
+ * ALSA Use Case Interface
+ *
+ * The use case manager works by configuring the sound card ALSA kcontrols to
+ * change the hardware digital and analog audio routing to match the requested
+ * device use case. The use case manager kcontrol configurations are stored in
+ * easy to modify text files.
+ *
+ * An audio use case can be defined by a verb and device parameter. The verb
+ * describes the use case action i.e. a phone call, listening to music, recording
+ * a conversation etc. The device describes the physical audio capture and playback
+ * hardware i.e. headphones, phone handset, bluetooth headset, etc.
+ *
+ * It's intended clients will mostly only need to set the use case verb and
+ * device for each system use case change (as the verb and device parameters
+ * cover most audio use cases).
+ *
+ * However there are times when a use case has to be modified at runtime. e.g.
+ *
+ * o Incoming phone call when the device is playing music
+ * o Recording sections of a phone call
+ * o Playing tones during a call.
+ *
+ * In order to allow asynchronous runtime use case adaptations, we have a third
+ * optional modifier parameter that can be used to further configure
+ * the use case during live audio runtime.
+ *
+ * This interface allows clients to :-
+ *
+ * o Query the supported use case verbs, devices and modifiers for the machine.
+ * o Set and Get use case verbs, devices and modifiers for the machine.
+ * o Get the ALSA PCM playback and capture device PCMs for use case verb,
+ * use case device and modifier.
+ * o Get the TQ parameter for each use case verb, use case device and
+ * modifier.
+ * o Get the ALSA master playback and capture volume/switch kcontrols
+ * for each use case.
+ */
+
+
+/*
+ * Use Case Verb.
+ *
+ * The use case verb is the main device audio action. e.g. the "HiFi" use
+ * case verb will configure the audio hardware for HiFi Music playback
+ * and capture.
+ */
+#define SND_USE_CASE_VERB_INACTIVE "Inactive" /**< Inactive Verb */
+#define SND_USE_CASE_VERB_HIFI "HiFi" /**< HiFi Verb */
+#define SND_USE_CASE_VERB_HIFI_LOW_POWER "HiFi Low Power" /**< HiFi Low Power Verb */
+#define SND_USE_CASE_VERB_VOICE "Voice" /**< Voice Verb */
+#define SND_USE_CASE_VERB_VOICE_LOW_POWER "Voice Low Power" /**< Voice Low Power Verb */
+#define SND_USE_CASE_VERB_VOICECALL "Voice Call" /**< Voice Call Verb */
+#define SND_USE_CASE_VERB_IP_VOICECALL "Voice Call IP" /**< Voice Call IP Verb */
+#define SND_USE_CASE_VERB_ANALOG_RADIO "FM Analog Radio" /**< FM Analog Radio Verb */
+#define SND_USE_CASE_VERB_DIGITAL_RADIO "FM Digital Radio" /**< FM Digital Radio Verb */
+/* add new verbs to end of list */
+
+
+/*
+ * Use Case Device.
+ *
+ * Physical system devices the render and capture audio. Devices can be OR'ed
+ * together to support audio on simultaneous devices.
+ */
+#define SND_USE_CASE_DEV_NONE "None" /**< None Device */
+#define SND_USE_CASE_DEV_SPEAKER "Speaker" /**< Speaker Device */
+#define SND_USE_CASE_DEV_LINE "Line" /**< Line Device */
+#define SND_USE_CASE_DEV_HEADPHONES "Headphones" /**< Headphones Device */
+#define SND_USE_CASE_DEV_HEADSET "Headset" /**< Headset Device */
+#define SND_USE_CASE_DEV_HANDSET "Handset" /**< Handset Device */
+#define SND_USE_CASE_DEV_BLUETOOTH "Bluetooth" /**< Bluetooth Device */
+#define SND_USE_CASE_DEV_EARPIECE "Earpiece" /**< Earpiece Device */
+#define SND_USE_CASE_DEV_SPDIF "SPDIF" /**< SPDIF Device */
+#define SND_USE_CASE_DEV_HDMI "HDMI" /**< HDMI Device */
+/* add new devices to end of list */
+
+
+/*
+ * Use Case Modifiers.
+ *
+ * The use case modifier allows runtime configuration changes to deal with
+ * asynchronous events.
+ *
+ * e.g. to record a voice call :-
+ * 1. Set verb to SND_USE_CASE_VERB_VOICECALL (for voice call)
+ * 2. Set modifier SND_USE_CASE_MOD_CAPTURE_VOICE when capture required.
+ * 3. Call snd_use_case_get("CapturePCM") to get ALSA source PCM name
+ * with captured voice pcm data.
+ *
+ * e.g. to play a ring tone when listenin to MP3 Music :-
+ * 1. Set verb to SND_USE_CASE_VERB_HIFI (for MP3 playback)
+ * 2. Set modifier to SND_USE_CASE_MOD_PLAY_TONE when incoming call happens.
+ * 3. Call snd_use_case_get("PlaybackPCM") to get ALSA PCM sink name for
+ * ringtone pcm data.
+ */
+#define SND_USE_CASE_MOD_CAPTURE_VOICE "Capture Voice" /**< Capture Voice Modifier */
+#define SND_USE_CASE_MOD_CAPTURE_MUSIC "Capture Music" /**< Capture Music Modifier */
+#define SND_USE_CASE_MOD_PLAY_MUSIC "Play Music" /**< Play Music Modifier */
+#define SND_USE_CASE_MOD_PLAY_VOICE "Play Voice" /**< Play Voice Modifier */
+#define SND_USE_CASE_MOD_PLAY_TONE "Play Tone" /**< Play Tone Modifier */
+#define SND_USE_CASE_MOD_ECHO_REF "Echo Reference" /**< Echo Reference Modifier */
+/* add new modifiers to end of list */
+
+
+/**
+ * TQ - Tone Quality
+ *
+ * The interface allows clients to determine the audio TQ required for each
+ * use case verb and modifier. It's intended as an optional hint to the
+ * audio driver in order to lower power consumption.
+ *
+ */
+#define SND_USE_CASE_TQ_MUSIC "Music" /**< Music Tone Quality */
+#define SND_USE_CASE_TQ_VOICE "Voice" /**< Voice Tone Quality */
+#define SND_USE_CASE_TQ_TONES "Tones" /**< Tones Tone Quality */
+
+/** use case container */
+typedef struct snd_use_case_mgr snd_use_case_mgr_t;
+
+/**
+ * \brief Create an identifier
+ * \param fmt Format (sprintf like)
+ * \param ... Optional arguments for sprintf like format
+ * \return Allocated string identifier or NULL on error
+ */
+char *snd_use_case_identifier(const char *fmt, ...);
+
+/**
+ * \brief Free a string list
+ * \param list The string list to free
+ * \param items Count of strings
+ * \return Zero if success, otherwise a negative error code
+ */
+int snd_use_case_free_list(const char *list[], int items);
+
+/**
+ * \brief Obtain a list of entries
+ * \param uc_mgr Use case manager (may be NULL - card list)
+ * \param identifier (may be NULL - card list)
+ * \param list Returned allocated list
+ * \return Number of list entries if success, otherwise a negative error code
+ *
+ * Defined identifiers:
+ * NULL - get card list
+ * (in pair cardname+comment)
+ * _verbs - get verb list
+ * (in pair verb+comment)
+ * _devices[/{verb}] - get list of supported devices
+ * (in pair device+comment)
+ * _modifiers[/{verb}]- get list of supported modifiers
+ * (in pair modifier+comment)
+ * TQ[/{verb}] - get list of TQ identifiers
+ * _enadevs - get list of enabled devices
+ * _enamods - get list of enabled modifiers
+ *
+ * _supporteddevs/{modifier}|{device}[/{verb}] - list of supported devices
+ * _conflictingdevs/{modifier}|{device}[/{verb}] - list of conflicting devices
+ * Note that at most one of the supported/conflicting devs lists has
+ * any entries, and when neither is present, all devices are supported.
+ *
+ */
+int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ const char **list[]);
+
+
+/**
+ * \brief Get current - string
+ * \param uc_mgr Use case manager
+ * \param identifier
+ * \param value Value pointer
+ * \return Zero if success, otherwise a negative error code
+ *
+ * Note: The returned string is dynamically allocated, use free() to
+ * deallocate this string. (Yes, the value parameter shouldn't be marked as
+ * "const", but it's too late to fix it, sorry about that.)
+ *
+ * Known identifiers:
+ * NULL - return current card
+ * _verb - return current verb
+ *
+ * [=]{NAME}[/[{modifier}|{/device}][/{verb}]]
+ * - value identifier {NAME}
+ * - Search starts at given modifier or device if any,
+ * else at a verb
+ * - Search starts at given verb if any,
+ * else current verb
+ * - Searches modifier/device, then verb, then defaults
+ * - Specify a leading "=" to search only the exact
+ * device/modifier/verb specified, and not search
+ * through each object in turn.
+ * - Examples:
+ * "PlaybackPCM/Play Music"
+ * "CapturePCM/SPDIF"
+ * From ValueDefaults only:
+ * "=Variable"
+ * From current active verb:
+ * "=Variable//"
+ * From verb "Verb":
+ * "=Variable//Verb"
+ * From "Modifier" in current active verb:
+ * "=Variable/Modifier/"
+ * From "Modifier" in "Verb":
+ * "=Variable/Modifier/Verb"
+ *
+ * Recommended names for values:
+ * TQ - Tone Quality
+ * PlaybackPCM - full PCM playback device name
+ * PlaybackPCMIsDummy - Valid values: "yes" and "no". If set to "yes", the
+ * PCM named by the PlaybackPCM value is a dummy device,
+ * meaning that opening it enables an audio path in the
+ * hardware, but writing to the PCM device has no
+ * effect.
+ * CapturePCM - full PCM capture device name
+ * CapturePCMIsDummy - Valid values: "yes" and "no". If set to "yes", the
+ * PCM named by the CapturePCM value is a dummy device,
+ * meaning that opening it enables an audio path in the
+ * hardware, but reading from the PCM device has no
+ * effect.
+ * PlaybackRate - playback device sample rate
+ * PlaybackChannels - playback device channel count
+ * PlaybackCTL - playback control device name
+ * PlaybackVolume - playback control volume ID string
+ * PlaybackSwitch - playback control switch ID string
+ * CaptureRate - capture device sample rate
+ * CaptureChannels - capture device channel count
+ * CaptureCTL - capture control device name
+ * CaptureVolume - capture control volume ID string
+ * CaptureSwitch - capture control switch ID string
+ * PlaybackMixer - name of playback mixer
+ * PlaybackMixerID - mixer playback ID
+ * CaptureMixer - name of capture mixer
+ * CaptureMixerID - mixer capture ID
+ */
+int snd_use_case_get(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ const char **value);
+
+/**
+ * \brief Get current - integer
+ * \param uc_mgr Use case manager
+ * \param identifier
+ * \param value result
+ * \return Zero if success, otherwise a negative error code
+ *
+ * Known identifiers:
+ * _devstatus/{device} - return status for given device
+ * _modstatus/{modifier} - return status for given modifier
+ */
+int snd_use_case_geti(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ long *value);
+
+/**
+ * \brief Set new
+ * \param uc_mgr Use case manager
+ * \param identifier
+ * \param value Value
+ * \return Zero if success, otherwise a negative error code
+ *
+ * Known identifiers:
+ * _verb - set current verb = value
+ * _enadev - enable given device = value
+ * _disdev - disable given device = value
+ * _swdev/{old_device} - new_device = value
+ * - disable old_device and then enable new_device
+ * - if old_device is not enabled just return
+ * - check transmit sequence firstly
+ * _enamod - enable given modifier = value
+ * _dismod - disable given modifier = value
+ * _swmod/{old_modifier} - new_modifier = value
+ * - disable old_modifier and then enable new_modifier
+ * - if old_modifier is not enabled just return
+ * - check transmit sequence firstly
+ */
+int snd_use_case_set(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ const char *value);
+
+/**
+ * \brief Open and initialise use case core for sound card
+ * \param uc_mgr Returned use case manager pointer
+ * \param card_name Sound card name.
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_use_case_mgr_open(snd_use_case_mgr_t **uc_mgr, const char *card_name);
+
+
+/**
+ * \brief Reload and re-parse use case configuration files for sound card.
+ * \param uc_mgr Use case manager
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_use_case_mgr_reload(snd_use_case_mgr_t *uc_mgr);
+
+/**
+ * \brief Close use case manager
+ * \param uc_mgr Use case manager
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_use_case_mgr_close(snd_use_case_mgr_t *uc_mgr);
+
+/**
+ * \brief Reset use case manager verb, device, modifier to deafult settings.
+ * \param uc_mgr Use case manager
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_use_case_mgr_reset(snd_use_case_mgr_t *uc_mgr);
+
+/*
+ * helper functions
+ */
+
+/**
+ * \brief Obtain a list of cards
+ * \param list Returned allocated list
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static __inline__ int snd_use_case_card_list(const char **list[])
+{
+ return snd_use_case_get_list(NULL, NULL, list);
+}
+
+/**
+ * \brief Obtain a list of verbs
+ * \param uc_mgr Use case manager
+ * \param list Returned list of verbs
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static __inline__ int snd_use_case_verb_list(snd_use_case_mgr_t *uc_mgr,
+ const char **list[])
+{
+ return snd_use_case_get_list(uc_mgr, "_verbs", list);
+}
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_USE_CASE_H */
diff --git a/include/version.h b/include/version.h
new file mode 100644
index 0000000..22c57da
--- /dev/null
+++ b/include/version.h
@@ -0,0 +1,15 @@
+/*
+ * version.h
+ */
+
+#define SND_LIB_MAJOR 1 /**< major number of library version */
+#define SND_LIB_MINOR 0 /**< minor number of library version */
+#define SND_LIB_SUBMINOR 29 /**< subminor number of library version */
+#define SND_LIB_EXTRAVER 1000000 /**< extra version number, used mainly for betas */
+/** library version */
+#define SND_LIB_VERSION ((SND_LIB_MAJOR<<16)|\
+ (SND_LIB_MINOR<<8)|\
+ SND_LIB_SUBMINOR)
+/** library version (string) */
+#define SND_LIB_VERSION_STR "1.0.29"
+
diff --git a/install-sh b/install-sh
new file mode 100755
index 0000000..377bb86
--- /dev/null
+++ b/install-sh
@@ -0,0 +1,527 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2011-11-20.07; # UTC
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# 'make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+nl='
+'
+IFS=" "" $nl"
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit=${DOITPROG-}
+if test -z "$doit"; then
+ doit_exec=exec
+else
+ doit_exec=$doit
+fi
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_glob='?'
+initialize_posix_glob='
+ test "$posix_glob" != "?" || {
+ if (set -f) 2>/dev/null; then
+ posix_glob=
+ else
+ posix_glob=:
+ fi
+ }
+'
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+no_target_directory=
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+ or: $0 [OPTION]... SRCFILES... DIRECTORY
+ or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+ or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+ --help display this help and exit.
+ --version display version info and exit.
+
+ -c (ignored)
+ -C install only if different (preserve the last data modification time)
+ -d create directories instead of installing files.
+ -g GROUP $chgrpprog installed files to GROUP.
+ -m MODE $chmodprog installed files to MODE.
+ -o USER $chownprog installed files to USER.
+ -s $stripprog installed files.
+ -t DIRECTORY install into DIRECTORY.
+ -T report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+ CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+ RMPROG STRIPPROG
+"
+
+while test $# -ne 0; do
+ case $1 in
+ -c) ;;
+
+ -C) copy_on_change=true;;
+
+ -d) dir_arg=true;;
+
+ -g) chgrpcmd="$chgrpprog $2"
+ shift;;
+
+ --help) echo "$usage"; exit $?;;
+
+ -m) mode=$2
+ case $mode in
+ *' '* | *' '* | *'
+'* | *'*'* | *'?'* | *'['*)
+ echo "$0: invalid mode: $mode" >&2
+ exit 1;;
+ esac
+ shift;;
+
+ -o) chowncmd="$chownprog $2"
+ shift;;
+
+ -s) stripcmd=$stripprog;;
+
+ -t) dst_arg=$2
+ # Protect names problematic for 'test' and other utilities.
+ case $dst_arg in
+ -* | [=\(\)!]) dst_arg=./$dst_arg;;
+ esac
+ shift;;
+
+ -T) no_target_directory=true;;
+
+ --version) echo "$0 $scriptversion"; exit $?;;
+
+ --) shift
+ break;;
+
+ -*) echo "$0: invalid option: $1" >&2
+ exit 1;;
+
+ *) break;;
+ esac
+ shift
+done
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+ # When -d is used, all remaining arguments are directories to create.
+ # When -t is used, the destination is already specified.
+ # Otherwise, the last argument is the destination. Remove it from $@.
+ for arg
+ do
+ if test -n "$dst_arg"; then
+ # $@ is not empty: it contains at least $arg.
+ set fnord "$@" "$dst_arg"
+ shift # fnord
+ fi
+ shift # arg
+ dst_arg=$arg
+ # Protect names problematic for 'test' and other utilities.
+ case $dst_arg in
+ -* | [=\(\)!]) dst_arg=./$dst_arg;;
+ esac
+ done
+fi
+
+if test $# -eq 0; then
+ if test -z "$dir_arg"; then
+ echo "$0: no input file specified." >&2
+ exit 1
+ fi
+ # It's OK to call 'install-sh -d' without argument.
+ # This can happen when creating conditional directories.
+ exit 0
+fi
+
+if test -z "$dir_arg"; then
+ do_exit='(exit $ret); exit $ret'
+ trap "ret=129; $do_exit" 1
+ trap "ret=130; $do_exit" 2
+ trap "ret=141; $do_exit" 13
+ trap "ret=143; $do_exit" 15
+
+ # Set umask so as not to create temps with too-generous modes.
+ # However, 'strip' requires both read and write access to temps.
+ case $mode in
+ # Optimize common cases.
+ *644) cp_umask=133;;
+ *755) cp_umask=22;;
+
+ *[0-7])
+ if test -z "$stripcmd"; then
+ u_plus_rw=
+ else
+ u_plus_rw='% 200'
+ fi
+ cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+ *)
+ if test -z "$stripcmd"; then
+ u_plus_rw=
+ else
+ u_plus_rw=,u+rw
+ fi
+ cp_umask=$mode$u_plus_rw;;
+ esac
+fi
+
+for src
+do
+ # Protect names problematic for 'test' and other utilities.
+ case $src in
+ -* | [=\(\)!]) src=./$src;;
+ esac
+
+ if test -n "$dir_arg"; then
+ dst=$src
+ dstdir=$dst
+ test -d "$dstdir"
+ dstdir_status=$?
+ else
+
+ # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+ # might cause directories to be created, which would be especially bad
+ # if $src (and thus $dsttmp) contains '*'.
+ if test ! -f "$src" && test ! -d "$src"; then
+ echo "$0: $src does not exist." >&2
+ exit 1
+ fi
+
+ if test -z "$dst_arg"; then
+ echo "$0: no destination specified." >&2
+ exit 1
+ fi
+ dst=$dst_arg
+
+ # If destination is a directory, append the input filename; won't work
+ # if double slashes aren't ignored.
+ if test -d "$dst"; then
+ if test -n "$no_target_directory"; then
+ echo "$0: $dst_arg: Is a directory" >&2
+ exit 1
+ fi
+ dstdir=$dst
+ dst=$dstdir/`basename "$src"`
+ dstdir_status=0
+ else
+ # Prefer dirname, but fall back on a substitute if dirname fails.
+ dstdir=`
+ (dirname "$dst") 2>/dev/null ||
+ expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$dst" : 'X\(//\)[^/]' \| \
+ X"$dst" : 'X\(//\)$' \| \
+ X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
+ echo X"$dst" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)[^/].*/{
+ s//\1/
+ q
+ }
+ /^X\(\/\/\)$/{
+ s//\1/
+ q
+ }
+ /^X\(\/\).*/{
+ s//\1/
+ q
+ }
+ s/.*/./; q'
+ `
+
+ test -d "$dstdir"
+ dstdir_status=$?
+ fi
+ fi
+
+ obsolete_mkdir_used=false
+
+ if test $dstdir_status != 0; then
+ case $posix_mkdir in
+ '')
+ # Create intermediate dirs using mode 755 as modified by the umask.
+ # This is like FreeBSD 'install' as of 1997-10-28.
+ umask=`umask`
+ case $stripcmd.$umask in
+ # Optimize common cases.
+ *[2367][2367]) mkdir_umask=$umask;;
+ .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+
+ *[0-7])
+ mkdir_umask=`expr $umask + 22 \
+ - $umask % 100 % 40 + $umask % 20 \
+ - $umask % 10 % 4 + $umask % 2
+ `;;
+ *) mkdir_umask=$umask,go-w;;
+ esac
+
+ # With -d, create the new directory with the user-specified mode.
+ # Otherwise, rely on $mkdir_umask.
+ if test -n "$dir_arg"; then
+ mkdir_mode=-m$mode
+ else
+ mkdir_mode=
+ fi
+
+ posix_mkdir=false
+ case $umask in
+ *[123567][0-7][0-7])
+ # POSIX mkdir -p sets u+wx bits regardless of umask, which
+ # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+ ;;
+ *)
+ tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+ trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+ if (umask $mkdir_umask &&
+ exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+ then
+ if test -z "$dir_arg" || {
+ # Check for POSIX incompatibilities with -m.
+ # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+ # other-writable bit of parent directory when it shouldn't.
+ # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+ ls_ld_tmpdir=`ls -ld "$tmpdir"`
+ case $ls_ld_tmpdir in
+ d????-?r-*) different_mode=700;;
+ d????-?--*) different_mode=755;;
+ *) false;;
+ esac &&
+ $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+ ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+ test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+ }
+ }
+ then posix_mkdir=:
+ fi
+ rmdir "$tmpdir/d" "$tmpdir"
+ else
+ # Remove any dirs left behind by ancient mkdir implementations.
+ rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+ fi
+ trap '' 0;;
+ esac;;
+ esac
+
+ if
+ $posix_mkdir && (
+ umask $mkdir_umask &&
+ $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+ )
+ then :
+ else
+
+ # The umask is ridiculous, or mkdir does not conform to POSIX,
+ # or it failed possibly due to a race condition. Create the
+ # directory the slow way, step by step, checking for races as we go.
+
+ case $dstdir in
+ /*) prefix='/';;
+ [-=\(\)!]*) prefix='./';;
+ *) prefix='';;
+ esac
+
+ eval "$initialize_posix_glob"
+
+ oIFS=$IFS
+ IFS=/
+ $posix_glob set -f
+ set fnord $dstdir
+ shift
+ $posix_glob set +f
+ IFS=$oIFS
+
+ prefixes=
+
+ for d
+ do
+ test X"$d" = X && continue
+
+ prefix=$prefix$d
+ if test -d "$prefix"; then
+ prefixes=
+ else
+ if $posix_mkdir; then
+ (umask=$mkdir_umask &&
+ $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+ # Don't fail if two instances are running concurrently.
+ test -d "$prefix" || exit 1
+ else
+ case $prefix in
+ *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+ *) qprefix=$prefix;;
+ esac
+ prefixes="$prefixes '$qprefix'"
+ fi
+ fi
+ prefix=$prefix/
+ done
+
+ if test -n "$prefixes"; then
+ # Don't fail if two instances are running concurrently.
+ (umask $mkdir_umask &&
+ eval "\$doit_exec \$mkdirprog $prefixes") ||
+ test -d "$dstdir" || exit 1
+ obsolete_mkdir_used=true
+ fi
+ fi
+ fi
+
+ if test -n "$dir_arg"; then
+ { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+ { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+ { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+ else
+
+ # Make a couple of temp file names in the proper directory.
+ dsttmp=$dstdir/_inst.$$_
+ rmtmp=$dstdir/_rm.$$_
+
+ # Trap to clean up those temp files at exit.
+ trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+ # Copy the file name to the temp name.
+ (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+
+ # and set any options; do chmod last to preserve setuid bits.
+ #
+ # If any of these fail, we abort the whole thing. If we want to
+ # ignore errors from any of these, just make sure not to ignore
+ # errors from the above "$doit $cpprog $src $dsttmp" command.
+ #
+ { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+ { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+ { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+ { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+ # If -C, don't bother to copy if it wouldn't change the file.
+ if $copy_on_change &&
+ old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
+ new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
+
+ eval "$initialize_posix_glob" &&
+ $posix_glob set -f &&
+ set X $old && old=:$2:$4:$5:$6 &&
+ set X $new && new=:$2:$4:$5:$6 &&
+ $posix_glob set +f &&
+
+ test "$old" = "$new" &&
+ $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+ then
+ rm -f "$dsttmp"
+ else
+ # Rename the file to the real destination.
+ $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+ # The rename failed, perhaps because mv can't rename something else
+ # to itself, or perhaps because mv is so ancient that it does not
+ # support -f.
+ {
+ # Now remove or move aside any old file at destination location.
+ # We try this two ways since rm can't unlink itself on some
+ # systems and the destination file might be busy for other
+ # reasons. In this case, the final cleanup might fail but the new
+ # file should still install successfully.
+ {
+ test ! -f "$dst" ||
+ $doit $rmcmd -f "$dst" 2>/dev/null ||
+ { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+ { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+ } ||
+ { echo "$0: cannot unlink or rename $dst" >&2
+ (exit 1); exit 1
+ }
+ } &&
+
+ # Now rename the file to the real destination.
+ $doit $mvcmd "$dsttmp" "$dst"
+ }
+ fi || exit 1
+
+ trap '' 0
+ fi
+done
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/libtool b/libtool
new file mode 100755
index 0000000..5929050
--- /dev/null
+++ b/libtool
@@ -0,0 +1,10077 @@
+#! /bin/sh
+
+# libtool - Provide generalized library-building support services.
+# Generated automatically by config.status (alsa-lib) 1.0.29
+# Libtool was configured on host alsa.alsa-project.org:
+# NOTE: Changes made to this file will be lost: look at ltmain.sh.
+#
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
+# 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# Written by Gordon Matzigkeit, 1996
+#
+# This file is part of GNU Libtool.
+#
+# GNU Libtool is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING. If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
+# obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+
+# The names of the tagged configurations supported by this script.
+available_tags=""
+
+# ### BEGIN LIBTOOL CONFIG
+
+# Whether or not to build static libraries.
+build_old_libs=no
+
+# Which release of libtool.m4 was used?
+macro_version=2.4.2
+macro_revision=1.3337
+
+# Whether or not to build shared libraries.
+build_libtool_libs=yes
+
+# What type of objects to build.
+pic_mode=default
+
+# Whether or not to optimize for fast installation.
+fast_install=yes
+
+# Shell to use when invoking shell scripts.
+SHELL="/bin/sh"
+
+# An echo program that protects backslashes.
+ECHO="printf %s\\n"
+
+# The PATH separator for the build system.
+PATH_SEPARATOR=":"
+
+# The host system.
+host_alias=
+host=x86_64-unknown-linux-gnu
+host_os=linux-gnu
+
+# The build system.
+build_alias=
+build=x86_64-unknown-linux-gnu
+build_os=linux-gnu
+
+# A sed program that does not truncate output.
+SED="/usr/bin/sed"
+
+# Sed that helps us avoid accidentally triggering echo(1) options like -n.
+Xsed="$SED -e 1s/^X//"
+
+# A grep program that handles long lines.
+GREP="/usr/bin/grep"
+
+# An ERE matcher.
+EGREP="/usr/bin/grep -E"
+
+# A literal string matcher.
+FGREP="/usr/bin/grep -F"
+
+# A BSD- or MS-compatible name lister.
+NM="/usr/bin/nm -B"
+
+# Whether we need soft or hard links.
+LN_S="ln -s"
+
+# What is the maximum length of a command?
+max_cmd_len=1572864
+
+# Object file suffix (normally "o").
+objext=o
+
+# Executable file suffix (normally "").
+exeext=
+
+# whether the shell understands "unset".
+lt_unset=unset
+
+# turn spaces into newlines.
+SP2NL="tr \\040 \\012"
+
+# turn newlines into spaces.
+NL2SP="tr \\015\\012 \\040\\040"
+
+# convert $build file names to $host format.
+to_host_file_cmd=func_convert_file_noop
+
+# convert $build files to toolchain format.
+to_tool_file_cmd=func_convert_file_noop
+
+# An object symbol dumper.
+OBJDUMP="objdump"
+
+# Method to check whether dependent libraries are shared objects.
+deplibs_check_method="pass_all"
+
+# Command to use when deplibs_check_method = "file_magic".
+file_magic_cmd="\$MAGIC_CMD"
+
+# How to find potential files when deplibs_check_method = "file_magic".
+file_magic_glob=""
+
+# Find potential files using nocaseglob when deplibs_check_method = "file_magic".
+want_nocaseglob="no"
+
+# DLL creation program.
+DLLTOOL="false"
+
+# Command to associate shared and link libraries.
+sharedlib_from_linklib_cmd="printf %s\\n"
+
+# The archiver.
+AR="ar"
+
+# Flags to create an archive.
+AR_FLAGS="cru"
+
+# How to feed a file listing to the archiver.
+archiver_list_spec="@"
+
+# A symbol stripping program.
+STRIP="strip"
+
+# Commands used to install an old-style archive.
+RANLIB="ranlib"
+old_postinstall_cmds="chmod 644 \$oldlib~\$RANLIB \$tool_oldlib"
+old_postuninstall_cmds=""
+
+# Whether to use a lock for old archive extraction.
+lock_old_archive_extraction=no
+
+# A C compiler.
+LTCC="gcc"
+
+# LTCC compiler flags.
+LTCFLAGS="-O2 -fomit-frame-pointer -Wall -pipe -D_GNU_SOURCE"
+
+# Take the output of nm and produce a listing of raw symbols and C names.
+global_symbol_pipe="sed -n -e 's/^.*[ ]\\([ABCDGIRSTW][ABCDGIRSTW]*\\)[ ][ ]*\\([_A-Za-z][_A-Za-z0-9]*\\)\$/\\1 \\2 \\2/p' | sed '/ __gnu_lto/d'"
+
+# Transform the output of nm in a proper C declaration.
+global_symbol_to_cdecl="sed -n -e 's/^T .* \\(.*\\)\$/extern int \\1();/p' -e 's/^[ABCDGIRSTW]* .* \\(.*\\)\$/extern char \\1;/p'"
+
+# Transform the output of nm in a C name address pair.
+global_symbol_to_c_name_address="sed -n -e 's/^: \\([^ ]*\\)[ ]*\$/ {\\\"\\1\\\", (void *) 0},/p' -e 's/^[ABCDGIRSTW]* \\([^ ]*\\) \\([^ ]*\\)\$/ {\"\\2\", (void *) \\&\\2},/p'"
+
+# Transform the output of nm in a C name address pair when lib prefix is needed.
+global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \\([^ ]*\\)[ ]*\$/ {\\\"\\1\\\", (void *) 0},/p' -e 's/^[ABCDGIRSTW]* \\([^ ]*\\) \\(lib[^ ]*\\)\$/ {\"\\2\", (void *) \\&\\2},/p' -e 's/^[ABCDGIRSTW]* \\([^ ]*\\) \\([^ ]*\\)\$/ {\"lib\\2\", (void *) \\&\\2},/p'"
+
+# Specify filename containing input files for $NM.
+nm_file_list_spec="@"
+
+# The root where to search for dependent libraries,and in which our libraries should be installed.
+lt_sysroot=
+
+# The name of the directory that contains temporary libtool files.
+objdir=.libs
+
+# Used to examine libraries when file_magic_cmd begins with "file".
+MAGIC_CMD=file
+
+# Must we lock files when doing compilation?
+need_locks="no"
+
+# Manifest tool.
+MANIFEST_TOOL=":"
+
+# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
+DSYMUTIL=""
+
+# Tool to change global to local symbols on Mac OS X.
+NMEDIT=""
+
+# Tool to manipulate fat objects and archives on Mac OS X.
+LIPO=""
+
+# ldd/readelf like tool for Mach-O binaries on Mac OS X.
+OTOOL=""
+
+# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
+OTOOL64=""
+
+# Old archive suffix (normally "a").
+libext=a
+
+# Shared library suffix (normally ".so").
+shrext_cmds=".so"
+
+# The commands to extract the exported symbol list from a shared archive.
+extract_expsyms_cmds=""
+
+# Variables whose values should be saved in libtool wrapper scripts and
+# restored at link time.
+variables_saved_for_relink="PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
+
+# Do we need the "lib" prefix for modules?
+need_lib_prefix=no
+
+# Do we need a version for libraries?
+need_version=no
+
+# Library versioning type.
+version_type=linux
+
+# Shared library runtime path variable.
+runpath_var=LD_RUN_PATH
+
+# Shared library path variable.
+shlibpath_var=LD_LIBRARY_PATH
+
+# Is shlibpath searched before the hard-coded library search path?
+shlibpath_overrides_runpath=no
+
+# Format of library name prefix.
+libname_spec="lib\$name"
+
+# List of archive names. First name is the real one, the rest are links.
+# The last name is the one that the linker finds with -lNAME
+library_names_spec="\${libname}\${release}\${shared_ext}\$versuffix \${libname}\${release}\${shared_ext}\$major \$libname\${shared_ext}"
+
+# The coded name of the library, if different from the real name.
+soname_spec="\${libname}\${release}\${shared_ext}\$major"
+
+# Permission mode override for installation of shared libraries.
+install_override_mode=""
+
+# Command to use after installation of a shared archive.
+postinstall_cmds=""
+
+# Command to use after uninstallation of a shared archive.
+postuninstall_cmds=""
+
+# Commands used to finish a libtool library installation in a directory.
+finish_cmds="PATH=\\\"\\\$PATH:/sbin\\\" ldconfig -n \$libdir"
+
+# As "finish_cmds", except a single script fragment to be evaled but
+# not shown.
+finish_eval=""
+
+# Whether we should hardcode library paths into libraries.
+hardcode_into_libs=yes
+
+# Compile-time system search path for libraries.
+sys_lib_search_path_spec="/usr/lib/gcc/x86_64-redhat-linux/4.7.2 /usr/lib64 /lib64 "
+
+# Run-time system search path for libraries.
+sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib /usr/lib64/mysql /usr/lib64/qt-3.3/lib "
+
+# Whether dlopen is supported.
+dlopen_support=yes
+
+# Whether dlopen of programs is supported.
+dlopen_self=yes
+
+# Whether dlopen of statically linked programs is supported.
+dlopen_self_static=yes
+
+# Commands to strip libraries.
+old_striplib="strip --strip-debug"
+striplib="strip --strip-unneeded"
+
+
+# The linker used to build libraries.
+LD="/usr/bin/ld -m elf_x86_64"
+
+# How to create reloadable object files.
+reload_flag=" -r"
+reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs"
+
+# Commands used to build an old-style archive.
+old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB \$tool_oldlib"
+
+# A language specific compiler.
+CC="gcc"
+
+# Is the compiler the GNU compiler?
+with_gcc=yes
+
+# Compiler flag to turn off builtin functions.
+no_builtin_flag=" -fno-builtin"
+
+# Additional compiler flags for building library objects.
+pic_flag=" -fPIC -DPIC"
+
+# How to pass a linker flag through the compiler.
+wl="-Wl,"
+
+# Compiler flag to prevent dynamic linking.
+link_static_flag=""
+
+# Does compiler simultaneously support -c and -o options?
+compiler_c_o="yes"
+
+# Whether or not to add -lc for building shared libraries.
+build_libtool_need_lc=no
+
+# Whether or not to disallow shared libs when runtime libs are static.
+allow_libtool_libs_with_static_runtimes=no
+
+# Compiler flag to allow reflexive dlopens.
+export_dynamic_flag_spec="\${wl}--export-dynamic"
+
+# Compiler flag to generate shared objects directly from archives.
+whole_archive_flag_spec="\${wl}--whole-archive\$convenience \${wl}--no-whole-archive"
+
+# Whether the compiler copes with passing no objects directly.
+compiler_needs_object="no"
+
+# Create an old-style archive from a shared archive.
+old_archive_from_new_cmds=""
+
+# Create a temporary old-style archive to link instead of a shared archive.
+old_archive_from_expsyms_cmds=""
+
+# Commands used to build a shared archive.
+archive_cmds="\$CC -shared \$pic_flag \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname -o \$lib"
+archive_expsym_cmds="echo \\\"{ global:\\\" > \$output_objdir/\$libname.ver~
+ cat \$export_symbols | sed -e \\\"s/\\\\(.*\\\\)/\\\\1;/\\\" >> \$output_objdir/\$libname.ver~
+ echo \\\"local: *; };\\\" >> \$output_objdir/\$libname.ver~
+ \$CC -shared \$pic_flag \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname \${wl}-version-script \${wl}\$output_objdir/\$libname.ver -o \$lib"
+
+# Commands used to build a loadable module if different from building
+# a shared archive.
+module_cmds=""
+module_expsym_cmds=""
+
+# Whether we are building with GNU ld or not.
+with_gnu_ld="yes"
+
+# Flag that allows shared libraries with undefined symbols to be built.
+allow_undefined_flag=""
+
+# Flag that enforces no undefined symbols.
+no_undefined_flag=""
+
+# Flag to hardcode $libdir into a binary during linking.
+# This must work even if $libdir does not exist
+hardcode_libdir_flag_spec="\${wl}-rpath \${wl}\$libdir"
+
+# Whether we need a single "-rpath" flag with a separated argument.
+hardcode_libdir_separator=""
+
+# Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+# DIR into the resulting binary.
+hardcode_direct=no
+
+# Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
+# DIR into the resulting binary and the resulting library dependency is
+# "absolute",i.e impossible to change by setting ${shlibpath_var} if the
+# library is relocated.
+hardcode_direct_absolute=no
+
+# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
+# into the resulting binary.
+hardcode_minus_L=no
+
+# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
+# into the resulting binary.
+hardcode_shlibpath_var=unsupported
+
+# Set to "yes" if building a shared library automatically hardcodes DIR
+# into the library and all subsequent libraries and executables linked
+# against it.
+hardcode_automatic=no
+
+# Set to yes if linker adds runtime paths of dependent libraries
+# to runtime path list.
+inherit_rpath=no
+
+# Whether libtool must link a program against all its dependency libraries.
+link_all_deplibs=unknown
+
+# Set to "yes" if exported symbols are required.
+always_export_symbols=no
+
+# The commands to list exported symbols.
+export_symbols_cmds="\$NM \$libobjs \$convenience | \$global_symbol_pipe | \$SED 's/.* //' | sort | uniq > \$export_symbols"
+
+# Symbols that should not be listed in the preloaded symbols.
+exclude_expsyms="_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*"
+
+# Symbols that must always be exported.
+include_expsyms=""
+
+# Commands necessary for linking programs (against libraries) with templates.
+prelink_cmds=""
+
+# Commands necessary for finishing linking programs.
+postlink_cmds=""
+
+# Specify filename containing input files.
+file_list_spec=""
+
+# How to hardcode a shared library path into an executable.
+hardcode_action=immediate
+
+# ### END LIBTOOL CONFIG
+
+
+# libtool (GNU libtool) 2.4.2
+# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
+# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions. There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING. If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html,
+# or obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Usage: $progname [OPTION]... [MODE-ARG]...
+#
+# Provide generalized library-building support services.
+#
+# --config show all configuration variables
+# --debug enable verbose shell tracing
+# -n, --dry-run display commands without modifying any files
+# --features display basic configuration information and exit
+# --mode=MODE use operation mode MODE
+# --preserve-dup-deps don't remove duplicate dependency libraries
+# --quiet, --silent don't print informational messages
+# --no-quiet, --no-silent
+# print informational messages (default)
+# --no-warn don't display warning messages
+# --tag=TAG use configuration variables from tag TAG
+# -v, --verbose print more informational messages than default
+# --no-verbose don't print the extra informational messages
+# --version print version information
+# -h, --help, --help-all print short, long, or detailed help message
+#
+# MODE must be one of the following:
+#
+# clean remove files from the build directory
+# compile compile a source file into a libtool object
+# execute automatically set library path, then run a program
+# finish complete the installation of libtool libraries
+# install install libraries or executables
+# link create a library or an executable
+# uninstall remove libraries from an installed directory
+#
+# MODE-ARGS vary depending on the MODE. When passed as first option,
+# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that.
+# Try `$progname --help --mode=MODE' for a more detailed description of MODE.
+#
+# When reporting a bug, please describe a test case to reproduce it and
+# include the following information:
+#
+# host-triplet: $host
+# shell: $SHELL
+# compiler: $LTCC
+# compiler flags: $LTCFLAGS
+# linker: $LD (gnu? $with_gnu_ld)
+# $progname: (GNU libtool) 2.4.2
+# automake: $automake_version
+# autoconf: $autoconf_version
+#
+# Report bugs to <bug-libtool@gnu.org>.
+# GNU libtool home page: <http://www.gnu.org/software/libtool/>.
+# General help using GNU software: <http://www.gnu.org/gethelp/>.
+
+PROGRAM=libtool
+PACKAGE=libtool
+VERSION=2.4.2
+TIMESTAMP=""
+package_revision=1.3337
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+ eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+}
+
+# NLS nuisances: We save the old values to restore during execute mode.
+lt_user_locale=
+lt_safe_locale=
+for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+ eval "if test \"\${$lt_var+set}\" = set; then
+ save_$lt_var=\$$lt_var
+ $lt_var=C
+ export $lt_var
+ lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\"
+ lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\"
+ fi"
+done
+LC_ALL=C
+LANGUAGE=C
+export LANGUAGE LC_ALL
+
+$lt_unset CDPATH
+
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath="$0"
+
+
+
+: ${CP="cp -f"}
+test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
+: ${MAKE="make"}
+: ${MKDIR="mkdir"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
+: ${Xsed="$SED -e 1s/^X//"}
+
+# Global variables:
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing.
+EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake.
+
+exit_status=$EXIT_SUCCESS
+
+# Make sure IFS has a sensible default
+lt_nl='
+'
+IFS=" $lt_nl"
+
+dirname="s,/[^/]*$,,"
+basename="s,^.*/,,"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE. If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+ case ${1} in
+ */*) func_dirname_result="${1%/*}${2}" ;;
+ * ) func_dirname_result="${3}" ;;
+ esac
+} # Extended-shell func_dirname implementation
+
+
+# func_basename file
+func_basename ()
+{
+ func_basename_result="${1##*/}"
+} # Extended-shell func_basename implementation
+
+
+# func_dirname_and_basename file append nondir_replacement
+# perform func_basename and func_dirname in a single function
+# call:
+# dirname: Compute the dirname of FILE. If nonempty,
+# add APPEND to the result, otherwise set result
+# to NONDIR_REPLACEMENT.
+# value returned in "$func_dirname_result"
+# basename: Compute filename of FILE.
+# value retuned in "$func_basename_result"
+# Implementation must be kept synchronized with func_dirname
+# and func_basename. For efficiency, we do not delegate to
+# those functions but instead duplicate the functionality here.
+func_dirname_and_basename ()
+{
+ case ${1} in
+ */*) func_dirname_result="${1%/*}${2}" ;;
+ * ) func_dirname_result="${3}" ;;
+ esac
+ func_basename_result="${1##*/}"
+} # Extended-shell func_dirname_and_basename implementation
+
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+# func_strip_suffix prefix name
+func_stripname ()
+{
+ # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are
+ # positional parameters, so assign one to ordinary parameter first.
+ func_stripname_result=${3}
+ func_stripname_result=${func_stripname_result#"${1}"}
+ func_stripname_result=${func_stripname_result%"${2}"}
+} # Extended-shell func_stripname implementation
+
+
+# These SED scripts presuppose an absolute path with a trailing slash.
+pathcar='s,^/\([^/]*\).*$,\1,'
+pathcdr='s,^/[^/]*,,'
+removedotparts=':dotsl
+ s@/\./@/@g
+ t dotsl
+ s,/\.$,/,'
+collapseslashes='s@/\{1,\}@/@g'
+finalslash='s,/*$,/,'
+
+# func_normal_abspath PATH
+# Remove doubled-up and trailing slashes, "." path components,
+# and cancel out any ".." path components in PATH after making
+# it an absolute path.
+# value returned in "$func_normal_abspath_result"
+func_normal_abspath ()
+{
+ # Start from root dir and reassemble the path.
+ func_normal_abspath_result=
+ func_normal_abspath_tpath=$1
+ func_normal_abspath_altnamespace=
+ case $func_normal_abspath_tpath in
+ "")
+ # Empty path, that just means $cwd.
+ func_stripname '' '/' "`pwd`"
+ func_normal_abspath_result=$func_stripname_result
+ return
+ ;;
+ # The next three entries are used to spot a run of precisely
+ # two leading slashes without using negated character classes;
+ # we take advantage of case's first-match behaviour.
+ ///*)
+ # Unusual form of absolute path, do nothing.
+ ;;
+ //*)
+ # Not necessarily an ordinary path; POSIX reserves leading '//'
+ # and for example Cygwin uses it to access remote file shares
+ # over CIFS/SMB, so we conserve a leading double slash if found.
+ func_normal_abspath_altnamespace=/
+ ;;
+ /*)
+ # Absolute path, do nothing.
+ ;;
+ *)
+ # Relative path, prepend $cwd.
+ func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
+ ;;
+ esac
+ # Cancel out all the simple stuff to save iterations. We also want
+ # the path to end with a slash for ease of parsing, so make sure
+ # there is one (and only one) here.
+ func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+ -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"`
+ while :; do
+ # Processed it all yet?
+ if test "$func_normal_abspath_tpath" = / ; then
+ # If we ascended to the root using ".." the result may be empty now.
+ if test -z "$func_normal_abspath_result" ; then
+ func_normal_abspath_result=/
+ fi
+ break
+ fi
+ func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
+ -e "$pathcar"`
+ func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+ -e "$pathcdr"`
+ # Figure out what to do with it
+ case $func_normal_abspath_tcomponent in
+ "")
+ # Trailing empty path component, ignore it.
+ ;;
+ ..)
+ # Parent dir; strip last assembled component from result.
+ func_dirname "$func_normal_abspath_result"
+ func_normal_abspath_result=$func_dirname_result
+ ;;
+ *)
+ # Actual path component, append it.
+ func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent
+ ;;
+ esac
+ done
+ # Restore leading double-slash if one was found on entry.
+ func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
+}
+
+# func_relative_path SRCDIR DSTDIR
+# generates a relative path from SRCDIR to DSTDIR, with a trailing
+# slash if non-empty, suitable for immediately appending a filename
+# without needing to append a separator.
+# value returned in "$func_relative_path_result"
+func_relative_path ()
+{
+ func_relative_path_result=
+ func_normal_abspath "$1"
+ func_relative_path_tlibdir=$func_normal_abspath_result
+ func_normal_abspath "$2"
+ func_relative_path_tbindir=$func_normal_abspath_result
+
+ # Ascend the tree starting from libdir
+ while :; do
+ # check if we have found a prefix of bindir
+ case $func_relative_path_tbindir in
+ $func_relative_path_tlibdir)
+ # found an exact match
+ func_relative_path_tcancelled=
+ break
+ ;;
+ $func_relative_path_tlibdir*)
+ # found a matching prefix
+ func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
+ func_relative_path_tcancelled=$func_stripname_result
+ if test -z "$func_relative_path_result"; then
+ func_relative_path_result=.
+ fi
+ break
+ ;;
+ *)
+ func_dirname $func_relative_path_tlibdir
+ func_relative_path_tlibdir=${func_dirname_result}
+ if test "x$func_relative_path_tlibdir" = x ; then
+ # Have to descend all the way to the root!
+ func_relative_path_result=../$func_relative_path_result
+ func_relative_path_tcancelled=$func_relative_path_tbindir
+ break
+ fi
+ func_relative_path_result=../$func_relative_path_result
+ ;;
+ esac
+ done
+
+ # Now calculate path; take care to avoid doubling-up slashes.
+ func_stripname '' '/' "$func_relative_path_result"
+ func_relative_path_result=$func_stripname_result
+ func_stripname '/' '/' "$func_relative_path_tcancelled"
+ if test "x$func_stripname_result" != x ; then
+ func_relative_path_result=${func_relative_path_result}/${func_stripname_result}
+ fi
+
+ # Normalisation. If bindir is libdir, return empty string,
+ # else relative path ending with a slash; either way, target
+ # file name can be directly appended.
+ if test ! -z "$func_relative_path_result"; then
+ func_stripname './' '' "$func_relative_path_result/"
+ func_relative_path_result=$func_stripname_result
+ fi
+}
+
+# The name of this program:
+func_dirname_and_basename "$progpath"
+progname=$func_basename_result
+
+# Make sure we have an absolute path for reexecution:
+case $progpath in
+ [\\/]*|[A-Za-z]:\\*) ;;
+ *[\\/]*)
+ progdir=$func_dirname_result
+ progdir=`cd "$progdir" && pwd`
+ progpath="$progdir/$progname"
+ ;;
+ *)
+ save_IFS="$IFS"
+ IFS=${PATH_SEPARATOR-:}
+ for progdir in $PATH; do
+ IFS="$save_IFS"
+ test -x "$progdir/$progname" && break
+ done
+ IFS="$save_IFS"
+ test -n "$progdir" || progdir=`pwd`
+ progpath="$progdir/$progname"
+ ;;
+esac
+
+# Sed substitution that helps us do robust quoting. It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed="${SED}"' -e 1s/^X//'
+sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution that turns a string into a regex matching for the
+# string literally.
+sed_make_literal_regex='s,[].[^$\\*\/],\\&,g'
+
+# Sed substitution that converts a w32 file name or path
+# which contains forward slashes, into one that contains
+# (escaped) backslashes. A very naive implementation.
+lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+
+# Re-`\' parameter expansions in output of double_quote_subst that were
+# `\'-ed in input to the same. If an odd number of `\' preceded a '$'
+# in input to double_quote_subst, that '$' was protected from expansion.
+# Since each input `\' is now two `\'s, look for any number of runs of
+# four `\'s followed by two `\'s and then a '$'. `\' that '$'.
+bs='\\'
+bs2='\\\\'
+bs4='\\\\\\\\'
+dollar='\$'
+sed_double_backslash="\
+ s/$bs4/&\\
+/g
+ s/^$bs2$dollar/$bs&/
+ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g
+ s/\n//g"
+
+# Standard options:
+opt_dry_run=false
+opt_help=false
+opt_quiet=false
+opt_verbose=false
+opt_warning=:
+
+# func_echo arg...
+# Echo program name prefixed message, along with the current mode
+# name if it has been set yet.
+func_echo ()
+{
+ $ECHO "$progname: ${opt_mode+$opt_mode: }$*"
+}
+
+# func_verbose arg...
+# Echo program name prefixed message in verbose mode only.
+func_verbose ()
+{
+ $opt_verbose && func_echo ${1+"$@"}
+
+ # A bug in bash halts the script if the last line of a function
+ # fails when set -e is in force, so we need another command to
+ # work around that:
+ :
+}
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+ $ECHO "$*"
+}
+
+# func_error arg...
+# Echo program name prefixed message to standard error.
+func_error ()
+{
+ $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2
+}
+
+# func_warning arg...
+# Echo program name prefixed warning message to standard error.
+func_warning ()
+{
+ $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2
+
+ # bash bug again:
+ :
+}
+
+# func_fatal_error arg...
+# Echo program name prefixed message to standard error, and exit.
+func_fatal_error ()
+{
+ func_error ${1+"$@"}
+ exit $EXIT_FAILURE
+}
+
+# func_fatal_help arg...
+# Echo program name prefixed message to standard error, followed by
+# a help hint, and exit.
+func_fatal_help ()
+{
+ func_error ${1+"$@"}
+ func_fatal_error "$help"
+}
+help="Try \`$progname --help' for more information." ## default
+
+
+# func_grep expression filename
+# Check whether EXPRESSION matches any line of FILENAME, without output.
+func_grep ()
+{
+ $GREP "$1" "$2" >/dev/null 2>&1
+}
+
+
+# func_mkdir_p directory-path
+# Make sure the entire path to DIRECTORY-PATH is available.
+func_mkdir_p ()
+{
+ my_directory_path="$1"
+ my_dir_list=
+
+ if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then
+
+ # Protect directory names starting with `-'
+ case $my_directory_path in
+ -*) my_directory_path="./$my_directory_path" ;;
+ esac
+
+ # While some portion of DIR does not yet exist...
+ while test ! -d "$my_directory_path"; do
+ # ...make a list in topmost first order. Use a colon delimited
+ # list incase some portion of path contains whitespace.
+ my_dir_list="$my_directory_path:$my_dir_list"
+
+ # If the last portion added has no slash in it, the list is done
+ case $my_directory_path in */*) ;; *) break ;; esac
+
+ # ...otherwise throw away the child directory and loop
+ my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"`
+ done
+ my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'`
+
+ save_mkdir_p_IFS="$IFS"; IFS=':'
+ for my_dir in $my_dir_list; do
+ IFS="$save_mkdir_p_IFS"
+ # mkdir can fail with a `File exist' error if two processes
+ # try to create one of the directories concurrently. Don't
+ # stop in that case!
+ $MKDIR "$my_dir" 2>/dev/null || :
+ done
+ IFS="$save_mkdir_p_IFS"
+
+ # Bail out if we (or some other process) failed to create a directory.
+ test -d "$my_directory_path" || \
+ func_fatal_error "Failed to create \`$1'"
+ fi
+}
+
+
+# func_mktempdir [string]
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible. If
+# given, STRING is the basename for that directory.
+func_mktempdir ()
+{
+ my_template="${TMPDIR-/tmp}/${1-$progname}"
+
+ if test "$opt_dry_run" = ":"; then
+ # Return a directory name, but don't create it in dry-run mode
+ my_tmpdir="${my_template}-$$"
+ else
+
+ # If mktemp works, use that first and foremost
+ my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
+
+ if test ! -d "$my_tmpdir"; then
+ # Failing that, at least try and use $RANDOM to avoid a race
+ my_tmpdir="${my_template}-${RANDOM-0}$$"
+
+ save_mktempdir_umask=`umask`
+ umask 0077
+ $MKDIR "$my_tmpdir"
+ umask $save_mktempdir_umask
+ fi
+
+ # If we're not in dry-run mode, bomb out on failure
+ test -d "$my_tmpdir" || \
+ func_fatal_error "cannot create temporary directory \`$my_tmpdir'"
+ fi
+
+ $ECHO "$my_tmpdir"
+}
+
+
+# func_quote_for_eval arg
+# Aesthetically quote ARG to be evaled later.
+# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT
+# is double-quoted, suitable for a subsequent eval, whereas
+# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters
+# which are still active within double quotes backslashified.
+func_quote_for_eval ()
+{
+ case $1 in
+ *[\\\`\"\$]*)
+ func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;;
+ *)
+ func_quote_for_eval_unquoted_result="$1" ;;
+ esac
+
+ case $func_quote_for_eval_unquoted_result in
+ # Double-quote args containing shell metacharacters to delay
+ # word splitting, command substitution and and variable
+ # expansion for a subsequent eval.
+ # Many Bourne shells cannot handle close brackets correctly
+ # in scan sets, so we specify it separately.
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\""
+ ;;
+ *)
+ func_quote_for_eval_result="$func_quote_for_eval_unquoted_result"
+ esac
+}
+
+
+# func_quote_for_expand arg
+# Aesthetically quote ARG to be evaled later; same as above,
+# but do not quote variable references.
+func_quote_for_expand ()
+{
+ case $1 in
+ *[\\\`\"]*)
+ my_arg=`$ECHO "$1" | $SED \
+ -e "$double_quote_subst" -e "$sed_double_backslash"` ;;
+ *)
+ my_arg="$1" ;;
+ esac
+
+ case $my_arg in
+ # Double-quote args containing shell metacharacters to delay
+ # word splitting and command substitution for a subsequent eval.
+ # Many Bourne shells cannot handle close brackets correctly
+ # in scan sets, so we specify it separately.
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ my_arg="\"$my_arg\""
+ ;;
+ esac
+
+ func_quote_for_expand_result="$my_arg"
+}
+
+
+# func_show_eval cmd [fail_exp]
+# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is
+# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.
+func_show_eval ()
+{
+ my_cmd="$1"
+ my_fail_exp="${2-:}"
+
+ ${opt_silent-false} || {
+ func_quote_for_expand "$my_cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+
+ if ${opt_dry_run-false}; then :; else
+ eval "$my_cmd"
+ my_status=$?
+ if test "$my_status" -eq 0; then :; else
+ eval "(exit $my_status); $my_fail_exp"
+ fi
+ fi
+}
+
+
+# func_show_eval_locale cmd [fail_exp]
+# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is
+# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it. Use the saved locale for evaluation.
+func_show_eval_locale ()
+{
+ my_cmd="$1"
+ my_fail_exp="${2-:}"
+
+ ${opt_silent-false} || {
+ func_quote_for_expand "$my_cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+
+ if ${opt_dry_run-false}; then :; else
+ eval "$lt_user_locale
+ $my_cmd"
+ my_status=$?
+ eval "$lt_safe_locale"
+ if test "$my_status" -eq 0; then :; else
+ eval "(exit $my_status); $my_fail_exp"
+ fi
+ fi
+}
+
+# func_tr_sh
+# Turn $1 into a string suitable for a shell variable name.
+# Result is stored in $func_tr_sh_result. All characters
+# not in the set a-zA-Z0-9_ are replaced with '_'. Further,
+# if $1 begins with a digit, a '_' is prepended as well.
+func_tr_sh ()
+{
+ case $1 in
+ [0-9]* | *[!a-zA-Z0-9_]*)
+ func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'`
+ ;;
+ * )
+ func_tr_sh_result=$1
+ ;;
+ esac
+}
+
+
+# func_version
+# Echo version message to standard output and exit.
+func_version ()
+{
+ $opt_debug
+
+ $SED -n '/(C)/!b go
+ :more
+ /\./!{
+ N
+ s/\n# / /
+ b more
+ }
+ :go
+ /^# '$PROGRAM' (GNU /,/# warranty; / {
+ s/^# //
+ s/^# *$//
+ s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/
+ p
+ }' < "$progpath"
+ exit $?
+}
+
+# func_usage
+# Echo short help message to standard output and exit.
+func_usage ()
+{
+ $opt_debug
+
+ $SED -n '/^# Usage:/,/^# *.*--help/ {
+ s/^# //
+ s/^# *$//
+ s/\$progname/'$progname'/
+ p
+ }' < "$progpath"
+ echo
+ $ECHO "run \`$progname --help | more' for full usage"
+ exit $?
+}
+
+# func_help [NOEXIT]
+# Echo long help message to standard output and exit,
+# unless 'noexit' is passed as argument.
+func_help ()
+{
+ $opt_debug
+
+ $SED -n '/^# Usage:/,/# Report bugs to/ {
+ :print
+ s/^# //
+ s/^# *$//
+ s*\$progname*'$progname'*
+ s*\$host*'"$host"'*
+ s*\$SHELL*'"$SHELL"'*
+ s*\$LTCC*'"$LTCC"'*
+ s*\$LTCFLAGS*'"$LTCFLAGS"'*
+ s*\$LD*'"$LD"'*
+ s/\$with_gnu_ld/'"$with_gnu_ld"'/
+ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/
+ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/
+ p
+ d
+ }
+ /^# .* home page:/b print
+ /^# General help using/b print
+ ' < "$progpath"
+ ret=$?
+ if test -z "$1"; then
+ exit $ret
+ fi
+}
+
+# func_missing_arg argname
+# Echo program name prefixed message to standard error and set global
+# exit_cmd.
+func_missing_arg ()
+{
+ $opt_debug
+
+ func_error "missing argument for $1."
+ exit_cmd=exit
+}
+
+
+# func_split_short_opt shortopt
+# Set func_split_short_opt_name and func_split_short_opt_arg shell
+# variables after splitting SHORTOPT after the 2nd character.
+func_split_short_opt ()
+{
+ func_split_short_opt_arg=${1#??}
+ func_split_short_opt_name=${1%"$func_split_short_opt_arg"}
+} # Extended-shell func_split_short_opt implementation
+
+
+# func_split_long_opt longopt
+# Set func_split_long_opt_name and func_split_long_opt_arg shell
+# variables after splitting LONGOPT at the `=' sign.
+func_split_long_opt ()
+{
+ func_split_long_opt_name=${1%%=*}
+ func_split_long_opt_arg=${1#*=}
+} # Extended-shell func_split_long_opt implementation
+
+exit_cmd=:
+
+
+
+
+
+magic="%%%MAGIC variable%%%"
+magic_exe="%%%MAGIC EXE variable%%%"
+
+# Global variables.
+nonopt=
+preserve_args=
+lo2o="s/\\.lo\$/.${objext}/"
+o2lo="s/\\.${objext}\$/.lo/"
+extracted_archives=
+extracted_serial=0
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end. This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+ eval "${1}+=\${2}"
+} # Extended-shell func_append implementation
+
+# func_append_quoted var value
+# Quote VALUE and append to the end of shell variable VAR, separated
+# by a space.
+func_append_quoted ()
+{
+ func_quote_for_eval "${2}"
+ eval "${1}+=\\ \$func_quote_for_eval_result"
+} # Extended-shell func_append_quoted implementation
+
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+ func_arith_result=$(( $* ))
+} # Extended-shell func_arith implementation
+
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+ func_len_result=${#1}
+} # Extended-shell func_len implementation
+
+
+# func_lo2o object
+func_lo2o ()
+{
+ case ${1} in
+ *.lo) func_lo2o_result=${1%.lo}.${objext} ;;
+ *) func_lo2o_result=${1} ;;
+ esac
+} # Extended-shell func_lo2o implementation
+
+
+# func_xform libobj-or-source
+func_xform ()
+{
+ func_xform_result=${1%.*}.lo
+} # Extended-shell func_xform implementation
+
+
+# func_fatal_configuration arg...
+# Echo program name prefixed message to standard error, followed by
+# a configuration failure hint, and exit.
+func_fatal_configuration ()
+{
+ func_error ${1+"$@"}
+ func_error "See the $PACKAGE documentation for more information."
+ func_fatal_error "Fatal configuration error."
+}
+
+
+# func_config
+# Display the configuration for all the tags in this script.
+func_config ()
+{
+ re_begincf='^# ### BEGIN LIBTOOL'
+ re_endcf='^# ### END LIBTOOL'
+
+ # Default configuration.
+ $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
+
+ # Now print the configurations for the tags.
+ for tagname in $taglist; do
+ $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
+ done
+
+ exit $?
+}
+
+# func_features
+# Display the features supported by this script.
+func_features ()
+{
+ echo "host: $host"
+ if test "$build_libtool_libs" = yes; then
+ echo "enable shared libraries"
+ else
+ echo "disable shared libraries"
+ fi
+ if test "$build_old_libs" = yes; then
+ echo "enable static libraries"
+ else
+ echo "disable static libraries"
+ fi
+
+ exit $?
+}
+
+# func_enable_tag tagname
+# Verify that TAGNAME is valid, and either flag an error and exit, or
+# enable the TAGNAME tag. We also add TAGNAME to the global $taglist
+# variable here.
+func_enable_tag ()
+{
+ # Global variable:
+ tagname="$1"
+
+ re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
+ re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
+ sed_extractcf="/$re_begincf/,/$re_endcf/p"
+
+ # Validate tagname.
+ case $tagname in
+ *[!-_A-Za-z0-9,/]*)
+ func_fatal_error "invalid tag name: $tagname"
+ ;;
+ esac
+
+ # Don't test for the "default" C tag, as we know it's
+ # there but not specially marked.
+ case $tagname in
+ CC) ;;
+ *)
+ if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
+ taglist="$taglist $tagname"
+
+ # Evaluate the configuration. Be careful to quote the path
+ # and the sed script, to avoid splitting on whitespace, but
+ # also don't use non-portable quotes within backquotes within
+ # quotes we have to do it in 2 steps:
+ extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
+ eval "$extractedcf"
+ else
+ func_error "ignoring unknown tag $tagname"
+ fi
+ ;;
+ esac
+}
+
+# func_check_version_match
+# Ensure that we are using m4 macros, and libtool script from the same
+# release of libtool.
+func_check_version_match ()
+{
+ if test "$package_revision" != "$macro_revision"; then
+ if test "$VERSION" != "$macro_version"; then
+ if test -z "$macro_version"; then
+ cat >&2 <<_LT_EOF
+$progname: Version mismatch error. This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from an older release.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+ else
+ cat >&2 <<_LT_EOF
+$progname: Version mismatch error. This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+ fi
+ else
+ cat >&2 <<_LT_EOF
+$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision,
+$progname: but the definition of this LT_INIT comes from revision $macro_revision.
+$progname: You should recreate aclocal.m4 with macros from revision $package_revision
+$progname: of $PACKAGE $VERSION and run autoconf again.
+_LT_EOF
+ fi
+
+ exit $EXIT_MISMATCH
+ fi
+}
+
+
+# Shorthand for --mode=foo, only valid as the first argument
+case $1 in
+clean|clea|cle|cl)
+ shift; set dummy --mode clean ${1+"$@"}; shift
+ ;;
+compile|compil|compi|comp|com|co|c)
+ shift; set dummy --mode compile ${1+"$@"}; shift
+ ;;
+execute|execut|execu|exec|exe|ex|e)
+ shift; set dummy --mode execute ${1+"$@"}; shift
+ ;;
+finish|finis|fini|fin|fi|f)
+ shift; set dummy --mode finish ${1+"$@"}; shift
+ ;;
+install|instal|insta|inst|ins|in|i)
+ shift; set dummy --mode install ${1+"$@"}; shift
+ ;;
+link|lin|li|l)
+ shift; set dummy --mode link ${1+"$@"}; shift
+ ;;
+uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
+ shift; set dummy --mode uninstall ${1+"$@"}; shift
+ ;;
+esac
+
+
+
+# Option defaults:
+opt_debug=:
+opt_dry_run=false
+opt_config=false
+opt_preserve_dup_deps=false
+opt_features=false
+opt_finish=false
+opt_help=false
+opt_help_all=false
+opt_silent=:
+opt_warning=:
+opt_verbose=:
+opt_silent=false
+opt_verbose=false
+
+
+# Parse options once, thoroughly. This comes as soon as possible in the
+# script to make things like `--version' happen as quickly as we can.
+{
+ # this just eases exit handling
+ while test $# -gt 0; do
+ opt="$1"
+ shift
+ case $opt in
+ --debug|-x) opt_debug='set -x'
+ func_echo "enabling shell trace mode"
+ $opt_debug
+ ;;
+ --dry-run|--dryrun|-n)
+ opt_dry_run=:
+ ;;
+ --config)
+ opt_config=:
+func_config
+ ;;
+ --dlopen|-dlopen)
+ optarg="$1"
+ opt_dlopen="${opt_dlopen+$opt_dlopen
+}$optarg"
+ shift
+ ;;
+ --preserve-dup-deps)
+ opt_preserve_dup_deps=:
+ ;;
+ --features)
+ opt_features=:
+func_features
+ ;;
+ --finish)
+ opt_finish=:
+set dummy --mode finish ${1+"$@"}; shift
+ ;;
+ --help)
+ opt_help=:
+ ;;
+ --help-all)
+ opt_help_all=:
+opt_help=': help-all'
+ ;;
+ --mode)
+ test $# = 0 && func_missing_arg $opt && break
+ optarg="$1"
+ opt_mode="$optarg"
+case $optarg in
+ # Valid mode arguments:
+ clean|compile|execute|finish|install|link|relink|uninstall) ;;
+
+ # Catch anything else as an error
+ *) func_error "invalid argument for $opt"
+ exit_cmd=exit
+ break
+ ;;
+esac
+ shift
+ ;;
+ --no-silent|--no-quiet)
+ opt_silent=false
+preserve_args+=" $opt"
+ ;;
+ --no-warning|--no-warn)
+ opt_warning=false
+preserve_args+=" $opt"
+ ;;
+ --no-verbose)
+ opt_verbose=false
+preserve_args+=" $opt"
+ ;;
+ --silent|--quiet)
+ opt_silent=:
+preserve_args+=" $opt"
+ opt_verbose=false
+ ;;
+ --verbose|-v)
+ opt_verbose=:
+preserve_args+=" $opt"
+opt_silent=false
+ ;;
+ --tag)
+ test $# = 0 && func_missing_arg $opt && break
+ optarg="$1"
+ opt_tag="$optarg"
+preserve_args+=" $opt $optarg"
+func_enable_tag "$optarg"
+ shift
+ ;;
+
+ -\?|-h) func_usage ;;
+ --help) func_help ;;
+ --version) func_version ;;
+
+ # Separate optargs to long options:
+ --*=*)
+ func_split_long_opt "$opt"
+ set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"}
+ shift
+ ;;
+
+ # Separate non-argument short options:
+ -\?*|-h*|-n*|-v*)
+ func_split_short_opt "$opt"
+ set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"}
+ shift
+ ;;
+
+ --) break ;;
+ -*) func_fatal_help "unrecognized option \`$opt'" ;;
+ *) set dummy "$opt" ${1+"$@"}; shift; break ;;
+ esac
+ done
+
+ # Validate options:
+
+ # save first non-option argument
+ if test "$#" -gt 0; then
+ nonopt="$opt"
+ shift
+ fi
+
+ # preserve --debug
+ test "$opt_debug" = : || preserve_args+=" --debug"
+
+ case $host in
+ *cygwin* | *mingw* | *pw32* | *cegcc*)
+ # don't eliminate duplications in $postdeps and $predeps
+ opt_duplicate_compiler_generated_deps=:
+ ;;
+ *)
+ opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps
+ ;;
+ esac
+
+ $opt_help || {
+ # Sanity checks first:
+ func_check_version_match
+
+ if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
+ func_fatal_configuration "not configured to build any kind of library"
+ fi
+
+ # Darwin sucks
+ eval std_shrext=\"$shrext_cmds\"
+
+ # Only execute mode is allowed to have -dlopen flags.
+ if test -n "$opt_dlopen" && test "$opt_mode" != execute; then
+ func_error "unrecognized option \`-dlopen'"
+ $ECHO "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Change the help message to a mode-specific one.
+ generic_help="$help"
+ help="Try \`$progname --help --mode=$opt_mode' for more information."
+ }
+
+
+ # Bail if the options were screwed
+ $exit_cmd $EXIT_FAILURE
+}
+
+
+
+
+## ----------- ##
+## Main. ##
+## ----------- ##
+
+# func_lalib_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_lalib_p ()
+{
+ test -f "$1" &&
+ $SED -e 4q "$1" 2>/dev/null \
+ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+}
+
+# func_lalib_unsafe_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function implements the same check as func_lalib_p without
+# resorting to external programs. To this end, it redirects stdin and
+# closes it afterwards, without saving the original file descriptor.
+# As a safety measure, use it only where a negative result would be
+# fatal anyway. Works if `file' does not exist.
+func_lalib_unsafe_p ()
+{
+ lalib_p=no
+ if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then
+ for lalib_p_l in 1 2 3 4
+ do
+ read lalib_p_line
+ case "$lalib_p_line" in
+ \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
+ esac
+ done
+ exec 0<&5 5<&-
+ fi
+ test "$lalib_p" = yes
+}
+
+# func_ltwrapper_script_p file
+# True iff FILE is a libtool wrapper script
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_script_p ()
+{
+ func_lalib_p "$1"
+}
+
+# func_ltwrapper_executable_p file
+# True iff FILE is a libtool wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_executable_p ()
+{
+ func_ltwrapper_exec_suffix=
+ case $1 in
+ *.exe) ;;
+ *) func_ltwrapper_exec_suffix=.exe ;;
+ esac
+ $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
+}
+
+# func_ltwrapper_scriptname file
+# Assumes file is an ltwrapper_executable
+# uses $file to determine the appropriate filename for a
+# temporary ltwrapper_script.
+func_ltwrapper_scriptname ()
+{
+ func_dirname_and_basename "$1" "" "."
+ func_stripname '' '.exe' "$func_basename_result"
+ func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper"
+}
+
+# func_ltwrapper_p file
+# True iff FILE is a libtool wrapper script or wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_p ()
+{
+ func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
+}
+
+
+# func_execute_cmds commands fail_cmd
+# Execute tilde-delimited COMMANDS.
+# If FAIL_CMD is given, eval that upon failure.
+# FAIL_CMD may read-access the current command in variable CMD!
+func_execute_cmds ()
+{
+ $opt_debug
+ save_ifs=$IFS; IFS='~'
+ for cmd in $1; do
+ IFS=$save_ifs
+ eval cmd=\"$cmd\"
+ func_show_eval "$cmd" "${2-:}"
+ done
+ IFS=$save_ifs
+}
+
+
+# func_source file
+# Source FILE, adding directory component if necessary.
+# Note that it is not necessary on cygwin/mingw to append a dot to
+# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
+# behavior happens only for exec(3), not for open(2)! Also, sourcing
+# `FILE.' does not work on cygwin managed mounts.
+func_source ()
+{
+ $opt_debug
+ case $1 in
+ */* | *\\*) . "$1" ;;
+ *) . "./$1" ;;
+ esac
+}
+
+
+# func_resolve_sysroot PATH
+# Replace a leading = in PATH with a sysroot. Store the result into
+# func_resolve_sysroot_result
+func_resolve_sysroot ()
+{
+ func_resolve_sysroot_result=$1
+ case $func_resolve_sysroot_result in
+ =*)
+ func_stripname '=' '' "$func_resolve_sysroot_result"
+ func_resolve_sysroot_result=$lt_sysroot$func_stripname_result
+ ;;
+ esac
+}
+
+# func_replace_sysroot PATH
+# If PATH begins with the sysroot, replace it with = and
+# store the result into func_replace_sysroot_result.
+func_replace_sysroot ()
+{
+ case "$lt_sysroot:$1" in
+ ?*:"$lt_sysroot"*)
+ func_stripname "$lt_sysroot" '' "$1"
+ func_replace_sysroot_result="=$func_stripname_result"
+ ;;
+ *)
+ # Including no sysroot.
+ func_replace_sysroot_result=$1
+ ;;
+ esac
+}
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+ $opt_debug
+ if test -n "$available_tags" && test -z "$tagname"; then
+ CC_quoted=
+ for arg in $CC; do
+ func_append_quoted CC_quoted "$arg"
+ done
+ CC_expanded=`func_echo_all $CC`
+ CC_quoted_expanded=`func_echo_all $CC_quoted`
+ case $@ in
+ # Blanks in the command may have been stripped by the calling shell,
+ # but not from the CC environment variable when configure was run.
+ " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;;
+ # Blanks at the start of $base_compile will cause this to fail
+ # if we don't check for them as well.
+ *)
+ for z in $available_tags; do
+ if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+ # Evaluate the configuration.
+ eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+ CC_quoted=
+ for arg in $CC; do
+ # Double-quote args containing other shell metacharacters.
+ func_append_quoted CC_quoted "$arg"
+ done
+ CC_expanded=`func_echo_all $CC`
+ CC_quoted_expanded=`func_echo_all $CC_quoted`
+ case "$@ " in
+ " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*)
+ # The compiler in the base compile command matches
+ # the one in the tagged configuration.
+ # Assume this is the tagged configuration we want.
+ tagname=$z
+ break
+ ;;
+ esac
+ fi
+ done
+ # If $tagname still isn't set, then no tagged configuration
+ # was found and let the user know that the "--tag" command
+ # line option must be used.
+ if test -z "$tagname"; then
+ func_echo "unable to infer tagged configuration"
+ func_fatal_error "specify a tag with \`--tag'"
+# else
+# func_verbose "using $tagname tagged configuration"
+ fi
+ ;;
+ esac
+ fi
+}
+
+
+
+# func_write_libtool_object output_name pic_name nonpic_name
+# Create a libtool object file (analogous to a ".la" file),
+# but don't create it if we're doing a dry run.
+func_write_libtool_object ()
+{
+ write_libobj=${1}
+ if test "$build_libtool_libs" = yes; then
+ write_lobj=\'${2}\'
+ else
+ write_lobj=none
+ fi
+
+ if test "$build_old_libs" = yes; then
+ write_oldobj=\'${3}\'
+ else
+ write_oldobj=none
+ fi
+
+ $opt_dry_run || {
+ cat >${write_libobj}T <<EOF
+# $write_libobj - a libtool object file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object=$write_lobj
+
+# Name of the non-PIC object
+non_pic_object=$write_oldobj
+
+EOF
+ $MV "${write_libobj}T" "${write_libobj}"
+ }
+}
+
+
+##################################################
+# FILE NAME AND PATH CONVERSION HELPER FUNCTIONS #
+##################################################
+
+# func_convert_core_file_wine_to_w32 ARG
+# Helper function used by file name conversion functions when $build is *nix,
+# and $host is mingw, cygwin, or some other w32 environment. Relies on a
+# correctly configured wine environment available, with the winepath program
+# in $build's $PATH.
+#
+# ARG is the $build file name to be converted to w32 format.
+# Result is available in $func_convert_core_file_wine_to_w32_result, and will
+# be empty on error (or when ARG is empty)
+func_convert_core_file_wine_to_w32 ()
+{
+ $opt_debug
+ func_convert_core_file_wine_to_w32_result="$1"
+ if test -n "$1"; then
+ # Unfortunately, winepath does not exit with a non-zero error code, so we
+ # are forced to check the contents of stdout. On the other hand, if the
+ # command is not found, the shell will set an exit code of 127 and print
+ # *an error message* to stdout. So we must check for both error code of
+ # zero AND non-empty stdout, which explains the odd construction:
+ func_convert_core_file_wine_to_w32_tmp=`winepath -w "$1" 2>/dev/null`
+ if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then
+ func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" |
+ $SED -e "$lt_sed_naive_backslashify"`
+ else
+ func_convert_core_file_wine_to_w32_result=
+ fi
+ fi
+}
+# end: func_convert_core_file_wine_to_w32
+
+
+# func_convert_core_path_wine_to_w32 ARG
+# Helper function used by path conversion functions when $build is *nix, and
+# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly
+# configured wine environment available, with the winepath program in $build's
+# $PATH. Assumes ARG has no leading or trailing path separator characters.
+#
+# ARG is path to be converted from $build format to win32.
+# Result is available in $func_convert_core_path_wine_to_w32_result.
+# Unconvertible file (directory) names in ARG are skipped; if no directory names
+# are convertible, then the result may be empty.
+func_convert_core_path_wine_to_w32 ()
+{
+ $opt_debug
+ # unfortunately, winepath doesn't convert paths, only file names
+ func_convert_core_path_wine_to_w32_result=""
+ if test -n "$1"; then
+ oldIFS=$IFS
+ IFS=:
+ for func_convert_core_path_wine_to_w32_f in $1; do
+ IFS=$oldIFS
+ func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f"
+ if test -n "$func_convert_core_file_wine_to_w32_result" ; then
+ if test -z "$func_convert_core_path_wine_to_w32_result"; then
+ func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result"
+ else
+ func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result"
+ fi
+ fi
+ done
+ IFS=$oldIFS
+ fi
+}
+# end: func_convert_core_path_wine_to_w32
+
+
+# func_cygpath ARGS...
+# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when
+# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2)
+# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or
+# (2), returns the Cygwin file name or path in func_cygpath_result (input
+# file name or path is assumed to be in w32 format, as previously converted
+# from $build's *nix or MSYS format). In case (3), returns the w32 file name
+# or path in func_cygpath_result (input file name or path is assumed to be in
+# Cygwin format). Returns an empty string on error.
+#
+# ARGS are passed to cygpath, with the last one being the file name or path to
+# be converted.
+#
+# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH
+# environment variable; do not put it in $PATH.
+func_cygpath ()
+{
+ $opt_debug
+ if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then
+ func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null`
+ if test "$?" -ne 0; then
+ # on failure, ensure result is empty
+ func_cygpath_result=
+ fi
+ else
+ func_cygpath_result=
+ func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'"
+ fi
+}
+#end: func_cygpath
+
+
+# func_convert_core_msys_to_w32 ARG
+# Convert file name or path ARG from MSYS format to w32 format. Return
+# result in func_convert_core_msys_to_w32_result.
+func_convert_core_msys_to_w32 ()
+{
+ $opt_debug
+ # awkward: cmd appends spaces to result
+ func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
+ $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"`
+}
+#end: func_convert_core_msys_to_w32
+
+
+# func_convert_file_check ARG1 ARG2
+# Verify that ARG1 (a file name in $build format) was converted to $host
+# format in ARG2. Otherwise, emit an error message, but continue (resetting
+# func_to_host_file_result to ARG1).
+func_convert_file_check ()
+{
+ $opt_debug
+ if test -z "$2" && test -n "$1" ; then
+ func_error "Could not determine host file name corresponding to"
+ func_error " \`$1'"
+ func_error "Continuing, but uninstalled executables may not work."
+ # Fallback:
+ func_to_host_file_result="$1"
+ fi
+}
+# end func_convert_file_check
+
+
+# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH
+# Verify that FROM_PATH (a path in $build format) was converted to $host
+# format in TO_PATH. Otherwise, emit an error message, but continue, resetting
+# func_to_host_file_result to a simplistic fallback value (see below).
+func_convert_path_check ()
+{
+ $opt_debug
+ if test -z "$4" && test -n "$3"; then
+ func_error "Could not determine the host path corresponding to"
+ func_error " \`$3'"
+ func_error "Continuing, but uninstalled executables may not work."
+ # Fallback. This is a deliberately simplistic "conversion" and
+ # should not be "improved". See libtool.info.
+ if test "x$1" != "x$2"; then
+ lt_replace_pathsep_chars="s|$1|$2|g"
+ func_to_host_path_result=`echo "$3" |
+ $SED -e "$lt_replace_pathsep_chars"`
+ else
+ func_to_host_path_result="$3"
+ fi
+ fi
+}
+# end func_convert_path_check
+
+
+# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG
+# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT
+# and appending REPL if ORIG matches BACKPAT.
+func_convert_path_front_back_pathsep ()
+{
+ $opt_debug
+ case $4 in
+ $1 ) func_to_host_path_result="$3$func_to_host_path_result"
+ ;;
+ esac
+ case $4 in
+ $2 ) func_to_host_path_result+="$3"
+ ;;
+ esac
+}
+# end func_convert_path_front_back_pathsep
+
+
+##################################################
+# $build to $host FILE NAME CONVERSION FUNCTIONS #
+##################################################
+# invoked via `$to_host_file_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# Result will be available in $func_to_host_file_result.
+
+
+# func_to_host_file ARG
+# Converts the file name ARG from $build format to $host format. Return result
+# in func_to_host_file_result.
+func_to_host_file ()
+{
+ $opt_debug
+ $to_host_file_cmd "$1"
+}
+# end func_to_host_file
+
+
+# func_to_tool_file ARG LAZY
+# converts the file name ARG from $build format to toolchain format. Return
+# result in func_to_tool_file_result. If the conversion in use is listed
+# in (the comma separated) LAZY, no conversion takes place.
+func_to_tool_file ()
+{
+ $opt_debug
+ case ,$2, in
+ *,"$to_tool_file_cmd",*)
+ func_to_tool_file_result=$1
+ ;;
+ *)
+ $to_tool_file_cmd "$1"
+ func_to_tool_file_result=$func_to_host_file_result
+ ;;
+ esac
+}
+# end func_to_tool_file
+
+
+# func_convert_file_noop ARG
+# Copy ARG to func_to_host_file_result.
+func_convert_file_noop ()
+{
+ func_to_host_file_result="$1"
+}
+# end func_convert_file_noop
+
+
+# func_convert_file_msys_to_w32 ARG
+# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper. Returns result in
+# func_to_host_file_result.
+func_convert_file_msys_to_w32 ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ func_convert_core_msys_to_w32 "$1"
+ func_to_host_file_result="$func_convert_core_msys_to_w32_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_w32
+
+
+# func_convert_file_cygwin_to_w32 ARG
+# Convert file name ARG from Cygwin to w32 format. Returns result in
+# func_to_host_file_result.
+func_convert_file_cygwin_to_w32 ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ # because $build is cygwin, we call "the" cygpath in $PATH; no need to use
+ # LT_CYGPATH in this case.
+ func_to_host_file_result=`cygpath -m "$1"`
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_cygwin_to_w32
+
+
+# func_convert_file_nix_to_w32 ARG
+# Convert file name ARG from *nix to w32 format. Requires a wine environment
+# and a working winepath. Returns result in func_to_host_file_result.
+func_convert_file_nix_to_w32 ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ func_convert_core_file_wine_to_w32 "$1"
+ func_to_host_file_result="$func_convert_core_file_wine_to_w32_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_w32
+
+
+# func_convert_file_msys_to_cygwin ARG
+# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_file_msys_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ func_convert_core_msys_to_w32 "$1"
+ func_cygpath -u "$func_convert_core_msys_to_w32_result"
+ func_to_host_file_result="$func_cygpath_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_cygwin
+
+
+# func_convert_file_nix_to_cygwin ARG
+# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed
+# in a wine environment, working winepath, and LT_CYGPATH set. Returns result
+# in func_to_host_file_result.
+func_convert_file_nix_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ # convert from *nix to w32, then use cygpath to convert from w32 to cygwin.
+ func_convert_core_file_wine_to_w32 "$1"
+ func_cygpath -u "$func_convert_core_file_wine_to_w32_result"
+ func_to_host_file_result="$func_cygpath_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_cygwin
+
+
+#############################################
+# $build to $host PATH CONVERSION FUNCTIONS #
+#############################################
+# invoked via `$to_host_path_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# The result will be available in $func_to_host_path_result.
+#
+# Path separators are also converted from $build format to $host format. If
+# ARG begins or ends with a path separator character, it is preserved (but
+# converted to $host format) on output.
+#
+# All path conversion functions are named using the following convention:
+# file name conversion function : func_convert_file_X_to_Y ()
+# path conversion function : func_convert_path_X_to_Y ()
+# where, for any given $build/$host combination the 'X_to_Y' value is the
+# same. If conversion functions are added for new $build/$host combinations,
+# the two new functions must follow this pattern, or func_init_to_host_path_cmd
+# will break.
+
+
+# func_init_to_host_path_cmd
+# Ensures that function "pointer" variable $to_host_path_cmd is set to the
+# appropriate value, based on the value of $to_host_file_cmd.
+to_host_path_cmd=
+func_init_to_host_path_cmd ()
+{
+ $opt_debug
+ if test -z "$to_host_path_cmd"; then
+ func_stripname 'func_convert_file_' '' "$to_host_file_cmd"
+ to_host_path_cmd="func_convert_path_${func_stripname_result}"
+ fi
+}
+
+
+# func_to_host_path ARG
+# Converts the path ARG from $build format to $host format. Return result
+# in func_to_host_path_result.
+func_to_host_path ()
+{
+ $opt_debug
+ func_init_to_host_path_cmd
+ $to_host_path_cmd "$1"
+}
+# end func_to_host_path
+
+
+# func_convert_path_noop ARG
+# Copy ARG to func_to_host_path_result.
+func_convert_path_noop ()
+{
+ func_to_host_path_result="$1"
+}
+# end func_convert_path_noop
+
+
+# func_convert_path_msys_to_w32 ARG
+# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper. Returns result in
+# func_to_host_path_result.
+func_convert_path_msys_to_w32 ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # Remove leading and trailing path separator characters from ARG. MSYS
+ # behavior is inconsistent here; cygpath turns them into '.;' and ';.';
+ # and winepath ignores them completely.
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+ func_to_host_path_result="$func_convert_core_msys_to_w32_result"
+ func_convert_path_check : ";" \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+ fi
+}
+# end func_convert_path_msys_to_w32
+
+
+# func_convert_path_cygwin_to_w32 ARG
+# Convert path ARG from Cygwin to w32 format. Returns result in
+# func_to_host_file_result.
+func_convert_path_cygwin_to_w32 ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # See func_convert_path_msys_to_w32:
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"`
+ func_convert_path_check : ";" \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+ fi
+}
+# end func_convert_path_cygwin_to_w32
+
+
+# func_convert_path_nix_to_w32 ARG
+# Convert path ARG from *nix to w32 format. Requires a wine environment and
+# a working winepath. Returns result in func_to_host_file_result.
+func_convert_path_nix_to_w32 ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # See func_convert_path_msys_to_w32:
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+ func_to_host_path_result="$func_convert_core_path_wine_to_w32_result"
+ func_convert_path_check : ";" \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+ fi
+}
+# end func_convert_path_nix_to_w32
+
+
+# func_convert_path_msys_to_cygwin ARG
+# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_path_msys_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # See func_convert_path_msys_to_w32:
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+ func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
+ func_to_host_path_result="$func_cygpath_result"
+ func_convert_path_check : : \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+ fi
+}
+# end func_convert_path_msys_to_cygwin
+
+
+# func_convert_path_nix_to_cygwin ARG
+# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a
+# a wine environment, working winepath, and LT_CYGPATH set. Returns result in
+# func_to_host_file_result.
+func_convert_path_nix_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # Remove leading and trailing path separator characters from
+ # ARG. msys behavior is inconsistent here, cygpath turns them
+ # into '.;' and ';.', and winepath ignores them completely.
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+ func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result"
+ func_to_host_path_result="$func_cygpath_result"
+ func_convert_path_check : : \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+ fi
+}
+# end func_convert_path_nix_to_cygwin
+
+
+# func_mode_compile arg...
+func_mode_compile ()
+{
+ $opt_debug
+ # Get the compilation command and the source file.
+ base_compile=
+ srcfile="$nonopt" # always keep a non-empty value in "srcfile"
+ suppress_opt=yes
+ suppress_output=
+ arg_mode=normal
+ libobj=
+ later=
+ pie_flag=
+
+ for arg
+ do
+ case $arg_mode in
+ arg )
+ # do not "continue". Instead, add this to base_compile
+ lastarg="$arg"
+ arg_mode=normal
+ ;;
+
+ target )
+ libobj="$arg"
+ arg_mode=normal
+ continue
+ ;;
+
+ normal )
+ # Accept any command-line options.
+ case $arg in
+ -o)
+ test -n "$libobj" && \
+ func_fatal_error "you cannot specify \`-o' more than once"
+ arg_mode=target
+ continue
+ ;;
+
+ -pie | -fpie | -fPIE)
+ pie_flag+=" $arg"
+ continue
+ ;;
+
+ -shared | -static | -prefer-pic | -prefer-non-pic)
+ later+=" $arg"
+ continue
+ ;;
+
+ -no-suppress)
+ suppress_opt=no
+ continue
+ ;;
+
+ -Xcompiler)
+ arg_mode=arg # the next one goes into the "base_compile" arg list
+ continue # The current "srcfile" will either be retained or
+ ;; # replaced later. I would guess that would be a bug.
+
+ -Wc,*)
+ func_stripname '-Wc,' '' "$arg"
+ args=$func_stripname_result
+ lastarg=
+ save_ifs="$IFS"; IFS=','
+ for arg in $args; do
+ IFS="$save_ifs"
+ func_append_quoted lastarg "$arg"
+ done
+ IFS="$save_ifs"
+ func_stripname ' ' '' "$lastarg"
+ lastarg=$func_stripname_result
+
+ # Add the arguments to base_compile.
+ base_compile+=" $lastarg"
+ continue
+ ;;
+
+ *)
+ # Accept the current argument as the source file.
+ # The previous "srcfile" becomes the current argument.
+ #
+ lastarg="$srcfile"
+ srcfile="$arg"
+ ;;
+ esac # case $arg
+ ;;
+ esac # case $arg_mode
+
+ # Aesthetically quote the previous argument.
+ func_append_quoted base_compile "$lastarg"
+ done # for arg
+
+ case $arg_mode in
+ arg)
+ func_fatal_error "you must specify an argument for -Xcompile"
+ ;;
+ target)
+ func_fatal_error "you must specify a target with \`-o'"
+ ;;
+ *)
+ # Get the name of the library object.
+ test -z "$libobj" && {
+ func_basename "$srcfile"
+ libobj="$func_basename_result"
+ }
+ ;;
+ esac
+
+ # Recognize several different file suffixes.
+ # If the user specifies -o file.o, it is replaced with file.lo
+ case $libobj in
+ *.[cCFSifmso] | \
+ *.ada | *.adb | *.ads | *.asm | \
+ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
+ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
+ func_xform "$libobj"
+ libobj=$func_xform_result
+ ;;
+ esac
+
+ case $libobj in
+ *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
+ *)
+ func_fatal_error "cannot determine name of library object from \`$libobj'"
+ ;;
+ esac
+
+ func_infer_tag $base_compile
+
+ for arg in $later; do
+ case $arg in
+ -shared)
+ test "$build_libtool_libs" != yes && \
+ func_fatal_configuration "can not build a shared library"
+ build_old_libs=no
+ continue
+ ;;
+
+ -static)
+ build_libtool_libs=no
+ build_old_libs=yes
+ continue
+ ;;
+
+ -prefer-pic)
+ pic_mode=yes
+ continue
+ ;;
+
+ -prefer-non-pic)
+ pic_mode=no
+ continue
+ ;;
+ esac
+ done
+
+ func_quote_for_eval "$libobj"
+ test "X$libobj" != "X$func_quote_for_eval_result" \
+ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \
+ && func_warning "libobj name \`$libobj' may not contain shell special characters."
+ func_dirname_and_basename "$obj" "/" ""
+ objname="$func_basename_result"
+ xdir="$func_dirname_result"
+ lobj=${xdir}$objdir/$objname
+
+ test -z "$base_compile" && \
+ func_fatal_help "you must specify a compilation command"
+
+ # Delete any leftover library objects.
+ if test "$build_old_libs" = yes; then
+ removelist="$obj $lobj $libobj ${libobj}T"
+ else
+ removelist="$lobj $libobj ${libobj}T"
+ fi
+
+ # On Cygwin there's no "real" PIC flag so we must build both object types
+ case $host_os in
+ cygwin* | mingw* | pw32* | os2* | cegcc*)
+ pic_mode=default
+ ;;
+ esac
+ if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+ # non-PIC code in shared libraries is not supported
+ pic_mode=default
+ fi
+
+ # Calculate the filename of the output object if compiler does
+ # not support -o with -c
+ if test "$compiler_c_o" = no; then
+ output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext}
+ lockfile="$output_obj.lock"
+ else
+ output_obj=
+ need_locks=no
+ lockfile=
+ fi
+
+ # Lock this critical section if it is needed
+ # We use this script file to make the link, it avoids creating a new file
+ if test "$need_locks" = yes; then
+ until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+ func_echo "Waiting for $lockfile to be removed"
+ sleep 2
+ done
+ elif test "$need_locks" = warn; then
+ if test -f "$lockfile"; then
+ $ECHO "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $opt_dry_run || $RM $removelist
+ exit $EXIT_FAILURE
+ fi
+ removelist+=" $output_obj"
+ $ECHO "$srcfile" > "$lockfile"
+ fi
+
+ $opt_dry_run || $RM $removelist
+ removelist+=" $lockfile"
+ trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
+
+ func_to_tool_file "$srcfile" func_convert_file_msys_to_w32
+ srcfile=$func_to_tool_file_result
+ func_quote_for_eval "$srcfile"
+ qsrcfile=$func_quote_for_eval_result
+
+ # Only build a PIC object if we are building libtool libraries.
+ if test "$build_libtool_libs" = yes; then
+ # Without this assignment, base_compile gets emptied.
+ fbsd_hideous_sh_bug=$base_compile
+
+ if test "$pic_mode" != no; then
+ command="$base_compile $qsrcfile $pic_flag"
+ else
+ # Don't build PIC code
+ command="$base_compile $qsrcfile"
+ fi
+
+ func_mkdir_p "$xdir$objdir"
+
+ if test -z "$output_obj"; then
+ # Place PIC objects in $objdir
+ command+=" -o $lobj"
+ fi
+
+ func_show_eval_locale "$command" \
+ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
+
+ if test "$need_locks" = warn &&
+ test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+ $ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $opt_dry_run || $RM $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ # Just move the object if needed, then go on to compile the next one
+ if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+ func_show_eval '$MV "$output_obj" "$lobj"' \
+ 'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+ fi
+
+ # Allow error messages only from the first compilation.
+ if test "$suppress_opt" = yes; then
+ suppress_output=' >/dev/null 2>&1'
+ fi
+ fi
+
+ # Only build a position-dependent object if we build old libraries.
+ if test "$build_old_libs" = yes; then
+ if test "$pic_mode" != yes; then
+ # Don't build PIC code
+ command="$base_compile $qsrcfile$pie_flag"
+ else
+ command="$base_compile $qsrcfile $pic_flag"
+ fi
+ if test "$compiler_c_o" = yes; then
+ command+=" -o $obj"
+ fi
+
+ # Suppress compiler output if we already did a PIC compilation.
+ command+="$suppress_output"
+ func_show_eval_locale "$command" \
+ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
+
+ if test "$need_locks" = warn &&
+ test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+ $ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $opt_dry_run || $RM $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ # Just move the object if needed
+ if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+ func_show_eval '$MV "$output_obj" "$obj"' \
+ 'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+ fi
+ fi
+
+ $opt_dry_run || {
+ func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
+
+ # Unlock the critical section if it was locked
+ if test "$need_locks" != no; then
+ removelist=$lockfile
+ $RM "$lockfile"
+ fi
+ }
+
+ exit $EXIT_SUCCESS
+}
+
+$opt_help || {
+ test "$opt_mode" = compile && func_mode_compile ${1+"$@"}
+}
+
+func_mode_help ()
+{
+ # We need to display help for each of the modes.
+ case $opt_mode in
+ "")
+ # Generic help is extracted from the usage comments
+ # at the start of this file.
+ func_help
+ ;;
+
+ clean)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+ ;;
+
+ compile)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+ -o OUTPUT-FILE set the output file name to OUTPUT-FILE
+ -no-suppress do not suppress compiler output for multiple passes
+ -prefer-pic try to build PIC objects only
+ -prefer-non-pic try to build non-PIC objects only
+ -shared do not build a \`.o' file suitable for static linking
+ -static only build a \`.o' file suitable for static linking
+ -Wc,FLAG pass FLAG directly to the compiler
+
+COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix \`.c' with the
+library object suffix, \`.lo'."
+ ;;
+
+ execute)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+ -dlopen FILE add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to \`-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+ ;;
+
+ finish)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges. Use
+the \`--dry-run' option if you just want to see what would be executed."
+ ;;
+
+ install)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command. The first component should be
+either the \`install' or \`cp' program.
+
+The following components of INSTALL-COMMAND are treated specially:
+
+ -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+ ;;
+
+ link)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+ -all-static do not do any dynamic linking at all
+ -avoid-version do not add a version suffix if possible
+ -bindir BINDIR specify path to binaries directory (for systems where
+ libraries must be found in the PATH setting at runtime)
+ -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime
+ -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols
+ -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+ -export-symbols SYMFILE
+ try to export only the symbols listed in SYMFILE
+ -export-symbols-regex REGEX
+ try to export only the symbols matching REGEX
+ -LLIBDIR search LIBDIR for required installed libraries
+ -lNAME OUTPUT-FILE requires the installed library libNAME
+ -module build a library that can dlopened
+ -no-fast-install disable the fast-install mode
+ -no-install link a not-installable executable
+ -no-undefined declare that a library does not refer to external symbols
+ -o OUTPUT-FILE create OUTPUT-FILE from the specified objects
+ -objectlist FILE Use a list of object files found in FILE to specify objects
+ -precious-files-regex REGEX
+ don't remove output files matching REGEX
+ -release RELEASE specify package release information
+ -rpath LIBDIR the created library will eventually be installed in LIBDIR
+ -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries
+ -shared only do dynamic linking of libtool libraries
+ -shrext SUFFIX override the standard shared library file extension
+ -static do not do any dynamic linking of uninstalled libtool libraries
+ -static-libtool-libs
+ do not do any dynamic linking of libtool libraries
+ -version-info CURRENT[:REVISION[:AGE]]
+ specify library version info [each variable defaults to 0]
+ -weak LIBNAME declare that the target provides the LIBNAME interface
+ -Wc,FLAG
+ -Xcompiler FLAG pass linker-specific FLAG directly to the compiler
+ -Wl,FLAG
+ -Xlinker FLAG pass linker-specific FLAG directly to the linker
+ -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC)
+
+All other options (arguments beginning with \`-') are ignored.
+
+Every other argument is treated as a filename. Files ending in \`.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
+only library objects (\`.lo' files) may be specified, and \`-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
+using \`ar' and \`ranlib', or on Windows using \`lib'.
+
+If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+is created, otherwise an executable program is created."
+ ;;
+
+ uninstall)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+ ;;
+
+ *)
+ func_fatal_help "invalid operation mode \`$opt_mode'"
+ ;;
+ esac
+
+ echo
+ $ECHO "Try \`$progname --help' for more information about other modes."
+}
+
+# Now that we've collected a possible --mode arg, show help if necessary
+if $opt_help; then
+ if test "$opt_help" = :; then
+ func_mode_help
+ else
+ {
+ func_help noexit
+ for opt_mode in compile link execute install finish uninstall clean; do
+ func_mode_help
+ done
+ } | sed -n '1p; 2,$s/^Usage:/ or: /p'
+ {
+ func_help noexit
+ for opt_mode in compile link execute install finish uninstall clean; do
+ echo
+ func_mode_help
+ done
+ } |
+ sed '1d
+ /^When reporting/,/^Report/{
+ H
+ d
+ }
+ $x
+ /information about other modes/d
+ /more detailed .*MODE/d
+ s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/'
+ fi
+ exit $?
+fi
+
+
+# func_mode_execute arg...
+func_mode_execute ()
+{
+ $opt_debug
+ # The first argument is the command name.
+ cmd="$nonopt"
+ test -z "$cmd" && \
+ func_fatal_help "you must specify a COMMAND"
+
+ # Handle -dlopen flags immediately.
+ for file in $opt_dlopen; do
+ test -f "$file" \
+ || func_fatal_help "\`$file' is not a file"
+
+ dir=
+ case $file in
+ *.la)
+ func_resolve_sysroot "$file"
+ file=$func_resolve_sysroot_result
+
+ # Check to see that this really is a libtool archive.
+ func_lalib_unsafe_p "$file" \
+ || func_fatal_help "\`$lib' is not a valid libtool archive"
+
+ # Read the libtool library.
+ dlname=
+ library_names=
+ func_source "$file"
+
+ # Skip this library if it cannot be dlopened.
+ if test -z "$dlname"; then
+ # Warn if it was a shared library.
+ test -n "$library_names" && \
+ func_warning "\`$file' was not linked with \`-export-dynamic'"
+ continue
+ fi
+
+ func_dirname "$file" "" "."
+ dir="$func_dirname_result"
+
+ if test -f "$dir/$objdir/$dlname"; then
+ dir+="/$objdir"
+ else
+ if test ! -f "$dir/$dlname"; then
+ func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'"
+ fi
+ fi
+ ;;
+
+ *.lo)
+ # Just add the directory containing the .lo file.
+ func_dirname "$file" "" "."
+ dir="$func_dirname_result"
+ ;;
+
+ *)
+ func_warning "\`-dlopen' is ignored for non-libtool libraries and objects"
+ continue
+ ;;
+ esac
+
+ # Get the absolute pathname.
+ absdir=`cd "$dir" && pwd`
+ test -n "$absdir" && dir="$absdir"
+
+ # Now add the directory to shlibpath_var.
+ if eval "test -z \"\$$shlibpath_var\""; then
+ eval "$shlibpath_var=\"\$dir\""
+ else
+ eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+ fi
+ done
+
+ # This variable tells wrapper scripts just to set shlibpath_var
+ # rather than running their programs.
+ libtool_execute_magic="$magic"
+
+ # Check if any of the arguments is a wrapper script.
+ args=
+ for file
+ do
+ case $file in
+ -* | *.la | *.lo ) ;;
+ *)
+ # Do a test to see if this is really a libtool program.
+ if func_ltwrapper_script_p "$file"; then
+ func_source "$file"
+ # Transform arg to wrapped name.
+ file="$progdir/$program"
+ elif func_ltwrapper_executable_p "$file"; then
+ func_ltwrapper_scriptname "$file"
+ func_source "$func_ltwrapper_scriptname_result"
+ # Transform arg to wrapped name.
+ file="$progdir/$program"
+ fi
+ ;;
+ esac
+ # Quote arguments (to preserve shell metacharacters).
+ func_append_quoted args "$file"
+ done
+
+ if test "X$opt_dry_run" = Xfalse; then
+ if test -n "$shlibpath_var"; then
+ # Export the shlibpath_var.
+ eval "export $shlibpath_var"
+ fi
+
+ # Restore saved environment variables
+ for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+ do
+ eval "if test \"\${save_$lt_var+set}\" = set; then
+ $lt_var=\$save_$lt_var; export $lt_var
+ else
+ $lt_unset $lt_var
+ fi"
+ done
+
+ # Now prepare to actually exec the command.
+ exec_cmd="\$cmd$args"
+ else
+ # Display what would be done.
+ if test -n "$shlibpath_var"; then
+ eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
+ echo "export $shlibpath_var"
+ fi
+ $ECHO "$cmd$args"
+ exit $EXIT_SUCCESS
+ fi
+}
+
+test "$opt_mode" = execute && func_mode_execute ${1+"$@"}
+
+
+# func_mode_finish arg...
+func_mode_finish ()
+{
+ $opt_debug
+ libs=
+ libdirs=
+ admincmds=
+
+ for opt in "$nonopt" ${1+"$@"}
+ do
+ if test -d "$opt"; then
+ libdirs+=" $opt"
+
+ elif test -f "$opt"; then
+ if func_lalib_unsafe_p "$opt"; then
+ libs+=" $opt"
+ else
+ func_warning "\`$opt' is not a valid libtool archive"
+ fi
+
+ else
+ func_fatal_error "invalid argument \`$opt'"
+ fi
+ done
+
+ if test -n "$libs"; then
+ if test -n "$lt_sysroot"; then
+ sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"`
+ sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;"
+ else
+ sysroot_cmd=
+ fi
+
+ # Remove sysroot references
+ if $opt_dry_run; then
+ for lib in $libs; do
+ echo "removing references to $lt_sysroot and \`=' prefixes from $lib"
+ done
+ else
+ tmpdir=`func_mktempdir`
+ for lib in $libs; do
+ sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \
+ > $tmpdir/tmp-la
+ mv -f $tmpdir/tmp-la $lib
+ done
+ ${RM}r "$tmpdir"
+ fi
+ fi
+
+ if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+ for libdir in $libdirs; do
+ if test -n "$finish_cmds"; then
+ # Do each command in the finish commands.
+ func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
+'"$cmd"'"'
+ fi
+ if test -n "$finish_eval"; then
+ # Do the single finish_eval.
+ eval cmds=\"$finish_eval\"
+ $opt_dry_run || eval "$cmds" || admincmds+="
+ $cmds"
+ fi
+ done
+ fi
+
+ # Exit here if they wanted silent mode.
+ $opt_silent && exit $EXIT_SUCCESS
+
+ if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+ echo "----------------------------------------------------------------------"
+ echo "Libraries have been installed in:"
+ for libdir in $libdirs; do
+ $ECHO " $libdir"
+ done
+ echo
+ echo "If you ever happen to want to link against installed libraries"
+ echo "in a given directory, LIBDIR, you must either use libtool, and"
+ echo "specify the full pathname of the library, or use the \`-LLIBDIR'"
+ echo "flag during linking and do at least one of the following:"
+ if test -n "$shlibpath_var"; then
+ echo " - add LIBDIR to the \`$shlibpath_var' environment variable"
+ echo " during execution"
+ fi
+ if test -n "$runpath_var"; then
+ echo " - add LIBDIR to the \`$runpath_var' environment variable"
+ echo " during linking"
+ fi
+ if test -n "$hardcode_libdir_flag_spec"; then
+ libdir=LIBDIR
+ eval flag=\"$hardcode_libdir_flag_spec\"
+
+ $ECHO " - use the \`$flag' linker flag"
+ fi
+ if test -n "$admincmds"; then
+ $ECHO " - have your system administrator run these commands:$admincmds"
+ fi
+ if test -f /etc/ld.so.conf; then
+ echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+ fi
+ echo
+
+ echo "See any operating system documentation about shared libraries for"
+ case $host in
+ solaris2.[6789]|solaris2.1[0-9])
+ echo "more information, such as the ld(1), crle(1) and ld.so(8) manual"
+ echo "pages."
+ ;;
+ *)
+ echo "more information, such as the ld(1) and ld.so(8) manual pages."
+ ;;
+ esac
+ echo "----------------------------------------------------------------------"
+ fi
+ exit $EXIT_SUCCESS
+}
+
+test "$opt_mode" = finish && func_mode_finish ${1+"$@"}
+
+
+# func_mode_install arg...
+func_mode_install ()
+{
+ $opt_debug
+ # There may be an optional sh(1) argument at the beginning of
+ # install_prog (especially on Windows NT).
+ if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+ # Allow the use of GNU shtool's install command.
+ case $nonopt in *shtool*) :;; *) false;; esac; then
+ # Aesthetically quote it.
+ func_quote_for_eval "$nonopt"
+ install_prog="$func_quote_for_eval_result "
+ arg=$1
+ shift
+ else
+ install_prog=
+ arg=$nonopt
+ fi
+
+ # The real first argument should be the name of the installation program.
+ # Aesthetically quote it.
+ func_quote_for_eval "$arg"
+ install_prog+="$func_quote_for_eval_result"
+ install_shared_prog=$install_prog
+ case " $install_prog " in
+ *[\\\ /]cp\ *) install_cp=: ;;
+ *) install_cp=false ;;
+ esac
+
+ # We need to accept at least all the BSD install flags.
+ dest=
+ files=
+ opts=
+ prev=
+ install_type=
+ isdir=no
+ stripme=
+ no_mode=:
+ for arg
+ do
+ arg2=
+ if test -n "$dest"; then
+ files+=" $dest"
+ dest=$arg
+ continue
+ fi
+
+ case $arg in
+ -d) isdir=yes ;;
+ -f)
+ if $install_cp; then :; else
+ prev=$arg
+ fi
+ ;;
+ -g | -m | -o)
+ prev=$arg
+ ;;
+ -s)
+ stripme=" -s"
+ continue
+ ;;
+ -*)
+ ;;
+ *)
+ # If the previous option needed an argument, then skip it.
+ if test -n "$prev"; then
+ if test "x$prev" = x-m && test -n "$install_override_mode"; then
+ arg2=$install_override_mode
+ no_mode=false
+ fi
+ prev=
+ else
+ dest=$arg
+ continue
+ fi
+ ;;
+ esac
+
+ # Aesthetically quote the argument.
+ func_quote_for_eval "$arg"
+ install_prog+=" $func_quote_for_eval_result"
+ if test -n "$arg2"; then
+ func_quote_for_eval "$arg2"
+ fi
+ install_shared_prog+=" $func_quote_for_eval_result"
+ done
+
+ test -z "$install_prog" && \
+ func_fatal_help "you must specify an install program"
+
+ test -n "$prev" && \
+ func_fatal_help "the \`$prev' option requires an argument"
+
+ if test -n "$install_override_mode" && $no_mode; then
+ if $install_cp; then :; else
+ func_quote_for_eval "$install_override_mode"
+ install_shared_prog+=" -m $func_quote_for_eval_result"
+ fi
+ fi
+
+ if test -z "$files"; then
+ if test -z "$dest"; then
+ func_fatal_help "no file or destination specified"
+ else
+ func_fatal_help "you must specify a destination"
+ fi
+ fi
+
+ # Strip any trailing slash from the destination.
+ func_stripname '' '/' "$dest"
+ dest=$func_stripname_result
+
+ # Check to see that the destination is a directory.
+ test -d "$dest" && isdir=yes
+ if test "$isdir" = yes; then
+ destdir="$dest"
+ destname=
+ else
+ func_dirname_and_basename "$dest" "" "."
+ destdir="$func_dirname_result"
+ destname="$func_basename_result"
+
+ # Not a directory, so check to see that there is only one file specified.
+ set dummy $files; shift
+ test "$#" -gt 1 && \
+ func_fatal_help "\`$dest' is not a directory"
+ fi
+ case $destdir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ for file in $files; do
+ case $file in
+ *.lo) ;;
+ *)
+ func_fatal_help "\`$destdir' must be an absolute directory name"
+ ;;
+ esac
+ done
+ ;;
+ esac
+
+ # This variable tells wrapper scripts just to set variables rather
+ # than running their programs.
+ libtool_install_magic="$magic"
+
+ staticlibs=
+ future_libdirs=
+ current_libdirs=
+ for file in $files; do
+
+ # Do each installation.
+ case $file in
+ *.$libext)
+ # Do the static libraries later.
+ staticlibs+=" $file"
+ ;;
+
+ *.la)
+ func_resolve_sysroot "$file"
+ file=$func_resolve_sysroot_result
+
+ # Check to see that this really is a libtool archive.
+ func_lalib_unsafe_p "$file" \
+ || func_fatal_help "\`$file' is not a valid libtool archive"
+
+ library_names=
+ old_library=
+ relink_command=
+ func_source "$file"
+
+ # Add the libdir to current_libdirs if it is the destination.
+ if test "X$destdir" = "X$libdir"; then
+ case "$current_libdirs " in
+ *" $libdir "*) ;;
+ *) current_libdirs+=" $libdir" ;;
+ esac
+ else
+ # Note the libdir as a future libdir.
+ case "$future_libdirs " in
+ *" $libdir "*) ;;
+ *) future_libdirs+=" $libdir" ;;
+ esac
+ fi
+
+ func_dirname "$file" "/" ""
+ dir="$func_dirname_result"
+ dir+="$objdir"
+
+ if test -n "$relink_command"; then
+ # Determine the prefix the user has applied to our future dir.
+ inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"`
+
+ # Don't allow the user to place us outside of our expected
+ # location b/c this prevents finding dependent libraries that
+ # are installed to the same prefix.
+ # At present, this check doesn't affect windows .dll's that
+ # are installed into $libdir/../bin (currently, that works fine)
+ # but it's something to keep an eye on.
+ test "$inst_prefix_dir" = "$destdir" && \
+ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir"
+
+ if test -n "$inst_prefix_dir"; then
+ # Stick the inst_prefix_dir data into the link command.
+ relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
+ else
+ relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"`
+ fi
+
+ func_warning "relinking \`$file'"
+ func_show_eval "$relink_command" \
+ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"'
+ fi
+
+ # See the names of the shared library.
+ set dummy $library_names; shift
+ if test -n "$1"; then
+ realname="$1"
+ shift
+
+ srcname="$realname"
+ test -n "$relink_command" && srcname="$realname"T
+
+ # Install the shared library and build the symlinks.
+ func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \
+ 'exit $?'
+ tstripme="$stripme"
+ case $host_os in
+ cygwin* | mingw* | pw32* | cegcc*)
+ case $realname in
+ *.dll.a)
+ tstripme=""
+ ;;
+ esac
+ ;;
+ esac
+ if test -n "$tstripme" && test -n "$striplib"; then
+ func_show_eval "$striplib $destdir/$realname" 'exit $?'
+ fi
+
+ if test "$#" -gt 0; then
+ # Delete the old symlinks, and create new ones.
+ # Try `ln -sf' first, because the `ln' binary might depend on
+ # the symlink we replace! Solaris /bin/ln does not understand -f,
+ # so we also need to try rm && ln -s.
+ for linkname
+ do
+ test "$linkname" != "$realname" \
+ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
+ done
+ fi
+
+ # Do each command in the postinstall commands.
+ lib="$destdir/$realname"
+ func_execute_cmds "$postinstall_cmds" 'exit $?'
+ fi
+
+ # Install the pseudo-library for information purposes.
+ func_basename "$file"
+ name="$func_basename_result"
+ instname="$dir/$name"i
+ func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
+
+ # Maybe install the static library, too.
+ test -n "$old_library" && staticlibs+=" $dir/$old_library"
+ ;;
+
+ *.lo)
+ # Install (i.e. copy) a libtool object.
+
+ # Figure out destination file name, if it wasn't already specified.
+ if test -n "$destname"; then
+ destfile="$destdir/$destname"
+ else
+ func_basename "$file"
+ destfile="$func_basename_result"
+ destfile="$destdir/$destfile"
+ fi
+
+ # Deduce the name of the destination old-style object file.
+ case $destfile in
+ *.lo)
+ func_lo2o "$destfile"
+ staticdest=$func_lo2o_result
+ ;;
+ *.$objext)
+ staticdest="$destfile"
+ destfile=
+ ;;
+ *)
+ func_fatal_help "cannot copy a libtool object to \`$destfile'"
+ ;;
+ esac
+
+ # Install the libtool object if requested.
+ test -n "$destfile" && \
+ func_show_eval "$install_prog $file $destfile" 'exit $?'
+
+ # Install the old object if enabled.
+ if test "$build_old_libs" = yes; then
+ # Deduce the name of the old-style object file.
+ func_lo2o "$file"
+ staticobj=$func_lo2o_result
+ func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
+ fi
+ exit $EXIT_SUCCESS
+ ;;
+
+ *)
+ # Figure out destination file name, if it wasn't already specified.
+ if test -n "$destname"; then
+ destfile="$destdir/$destname"
+ else
+ func_basename "$file"
+ destfile="$func_basename_result"
+ destfile="$destdir/$destfile"
+ fi
+
+ # If the file is missing, and there is a .exe on the end, strip it
+ # because it is most likely a libtool script we actually want to
+ # install
+ stripped_ext=""
+ case $file in
+ *.exe)
+ if test ! -f "$file"; then
+ func_stripname '' '.exe' "$file"
+ file=$func_stripname_result
+ stripped_ext=".exe"
+ fi
+ ;;
+ esac
+
+ # Do a test to see if this is really a libtool program.
+ case $host in
+ *cygwin* | *mingw*)
+ if func_ltwrapper_executable_p "$file"; then
+ func_ltwrapper_scriptname "$file"
+ wrapper=$func_ltwrapper_scriptname_result
+ else
+ func_stripname '' '.exe' "$file"
+ wrapper=$func_stripname_result
+ fi
+ ;;
+ *)
+ wrapper=$file
+ ;;
+ esac
+ if func_ltwrapper_script_p "$wrapper"; then
+ notinst_deplibs=
+ relink_command=
+
+ func_source "$wrapper"
+
+ # Check the variables that should have been set.
+ test -z "$generated_by_libtool_version" && \
+ func_fatal_error "invalid libtool wrapper script \`$wrapper'"
+
+ finalize=yes
+ for lib in $notinst_deplibs; do
+ # Check to see that each library is installed.
+ libdir=
+ if test -f "$lib"; then
+ func_source "$lib"
+ fi
+ libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test
+ if test -n "$libdir" && test ! -f "$libfile"; then
+ func_warning "\`$lib' has not been installed in \`$libdir'"
+ finalize=no
+ fi
+ done
+
+ relink_command=
+ func_source "$wrapper"
+
+ outputname=
+ if test "$fast_install" = no && test -n "$relink_command"; then
+ $opt_dry_run || {
+ if test "$finalize" = yes; then
+ tmpdir=`func_mktempdir`
+ func_basename "$file$stripped_ext"
+ file="$func_basename_result"
+ outputname="$tmpdir/$file"
+ # Replace the output file specification.
+ relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
+
+ $opt_silent || {
+ func_quote_for_expand "$relink_command"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+ if eval "$relink_command"; then :
+ else
+ func_error "error: relink \`$file' with the above command before installing it"
+ $opt_dry_run || ${RM}r "$tmpdir"
+ continue
+ fi
+ file="$outputname"
+ else
+ func_warning "cannot relink \`$file'"
+ fi
+ }
+ else
+ # Install the binary that we compiled earlier.
+ file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"`
+ fi
+ fi
+
+ # remove .exe since cygwin /usr/bin/install will append another
+ # one anyway
+ case $install_prog,$host in
+ */usr/bin/install*,*cygwin*)
+ case $file:$destfile in
+ *.exe:*.exe)
+ # this is ok
+ ;;
+ *.exe:*)
+ destfile=$destfile.exe
+ ;;
+ *:*.exe)
+ func_stripname '' '.exe' "$destfile"
+ destfile=$func_stripname_result
+ ;;
+ esac
+ ;;
+ esac
+ func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
+ $opt_dry_run || if test -n "$outputname"; then
+ ${RM}r "$tmpdir"
+ fi
+ ;;
+ esac
+ done
+
+ for file in $staticlibs; do
+ func_basename "$file"
+ name="$func_basename_result"
+
+ # Set up the ranlib parameters.
+ oldlib="$destdir/$name"
+ func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+ tool_oldlib=$func_to_tool_file_result
+
+ func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
+
+ if test -n "$stripme" && test -n "$old_striplib"; then
+ func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
+ fi
+
+ # Do each command in the postinstall commands.
+ func_execute_cmds "$old_postinstall_cmds" 'exit $?'
+ done
+
+ test -n "$future_libdirs" && \
+ func_warning "remember to run \`$progname --finish$future_libdirs'"
+
+ if test -n "$current_libdirs"; then
+ # Maybe just do a dry run.
+ $opt_dry_run && current_libdirs=" -n$current_libdirs"
+ exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+ else
+ exit $EXIT_SUCCESS
+ fi
+}
+
+test "$opt_mode" = install && func_mode_install ${1+"$@"}
+
+
+# func_generate_dlsyms outputname originator pic_p
+# Extract symbols from dlprefiles and create ${outputname}S.o with
+# a dlpreopen symbol table.
+func_generate_dlsyms ()
+{
+ $opt_debug
+ my_outputname="$1"
+ my_originator="$2"
+ my_pic_p="${3-no}"
+ my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
+ my_dlsyms=
+
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ if test -n "$NM" && test -n "$global_symbol_pipe"; then
+ my_dlsyms="${my_outputname}S.c"
+ else
+ func_error "not configured to extract global symbols from dlpreopened files"
+ fi
+ fi
+
+ if test -n "$my_dlsyms"; then
+ case $my_dlsyms in
+ "") ;;
+ *.c)
+ # Discover the nlist of each of the dlfiles.
+ nlist="$output_objdir/${my_outputname}.nm"
+
+ func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
+
+ # Parse the name list into a source file.
+ func_verbose "creating $output_objdir/$my_dlsyms"
+
+ $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
+/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
+/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
+#pragma GCC diagnostic ignored \"-Wstrict-prototypes\"
+#endif
+
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+ relocations are performed -- see ld's documentation on pseudo-relocs. */
+# define LT_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data. */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+/* External symbol declarations for the compiler. */\
+"
+
+ if test "$dlself" = yes; then
+ func_verbose "generating symbol list for \`$output'"
+
+ $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
+
+ # Add our own program objects to the symbol list.
+ progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ for progfile in $progfiles; do
+ func_to_tool_file "$progfile" func_convert_file_msys_to_w32
+ func_verbose "extracting global C symbols from \`$func_to_tool_file_result'"
+ $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'"
+ done
+
+ if test -n "$exclude_expsyms"; then
+ $opt_dry_run || {
+ eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+ eval '$MV "$nlist"T "$nlist"'
+ }
+ fi
+
+ if test -n "$export_symbols_regex"; then
+ $opt_dry_run || {
+ eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+ eval '$MV "$nlist"T "$nlist"'
+ }
+ fi
+
+ # Prepare the list of exported symbols
+ if test -z "$export_symbols"; then
+ export_symbols="$output_objdir/$outputname.exp"
+ $opt_dry_run || {
+ $RM $export_symbols
+ eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+ eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+ ;;
+ esac
+ }
+ else
+ $opt_dry_run || {
+ eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+ eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+ eval '$MV "$nlist"T "$nlist"'
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+ eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+ ;;
+ esac
+ }
+ fi
+ fi
+
+ for dlprefile in $dlprefiles; do
+ func_verbose "extracting global C symbols from \`$dlprefile'"
+ func_basename "$dlprefile"
+ name="$func_basename_result"
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ # if an import library, we need to obtain dlname
+ if func_win32_import_lib_p "$dlprefile"; then
+ func_tr_sh "$dlprefile"
+ eval "curr_lafile=\$libfile_$func_tr_sh_result"
+ dlprefile_dlbasename=""
+ if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then
+ # Use subshell, to avoid clobbering current variable values
+ dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"`
+ if test -n "$dlprefile_dlname" ; then
+ func_basename "$dlprefile_dlname"
+ dlprefile_dlbasename="$func_basename_result"
+ else
+ # no lafile. user explicitly requested -dlpreopen <import library>.
+ $sharedlib_from_linklib_cmd "$dlprefile"
+ dlprefile_dlbasename=$sharedlib_from_linklib_result
+ fi
+ fi
+ $opt_dry_run || {
+ if test -n "$dlprefile_dlbasename" ; then
+ eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"'
+ else
+ func_warning "Could not compute DLL name from $name"
+ eval '$ECHO ": $name " >> "$nlist"'
+ fi
+ func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+ eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe |
+ $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'"
+ }
+ else # not an import lib
+ $opt_dry_run || {
+ eval '$ECHO ": $name " >> "$nlist"'
+ func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+ eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+ }
+ fi
+ ;;
+ *)
+ $opt_dry_run || {
+ eval '$ECHO ": $name " >> "$nlist"'
+ func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+ eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+ }
+ ;;
+ esac
+ done
+
+ $opt_dry_run || {
+ # Make sure we have at least an empty file.
+ test -f "$nlist" || : > "$nlist"
+
+ if test -n "$exclude_expsyms"; then
+ $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+ $MV "$nlist"T "$nlist"
+ fi
+
+ # Try sorting and uniquifying the output.
+ if $GREP -v "^: " < "$nlist" |
+ if sort -k 3 </dev/null >/dev/null 2>&1; then
+ sort -k 3
+ else
+ sort +2
+ fi |
+ uniq > "$nlist"S; then
+ :
+ else
+ $GREP -v "^: " < "$nlist" > "$nlist"S
+ fi
+
+ if test -f "$nlist"S; then
+ eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
+ else
+ echo '/* NONE */' >> "$output_objdir/$my_dlsyms"
+ fi
+
+ echo >> "$output_objdir/$my_dlsyms" "\
+
+/* The mapping between symbol names and symbols. */
+typedef struct {
+ const char *name;
+ void *address;
+} lt_dlsymlist;
+extern LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[];
+LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[] =
+{\
+ { \"$my_originator\", (void *) 0 },"
+
+ case $need_lib_prefix in
+ no)
+ eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
+ ;;
+ *)
+ eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
+ ;;
+ esac
+ echo >> "$output_objdir/$my_dlsyms" "\
+ {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+ return lt_${my_prefix}_LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+ } # !$opt_dry_run
+
+ pic_flag_for_symtable=
+ case "$compile_command " in
+ *" -static "*) ;;
+ *)
+ case $host in
+ # compiling the symbol table file with pic_flag works around
+ # a FreeBSD bug that causes programs to crash when -lm is
+ # linked before any other PIC object. But we must not use
+ # pic_flag when linking with -static. The problem exists in
+ # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+ *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+ pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
+ *-*-hpux*)
+ pic_flag_for_symtable=" $pic_flag" ;;
+ *)
+ if test "X$my_pic_p" != Xno; then
+ pic_flag_for_symtable=" $pic_flag"
+ fi
+ ;;
+ esac
+ ;;
+ esac
+ symtab_cflags=
+ for arg in $LTCFLAGS; do
+ case $arg in
+ -pie | -fpie | -fPIE) ;;
+ *) symtab_cflags+=" $arg" ;;
+ esac
+ done
+
+ # Now compile the dynamic symbol file.
+ func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
+
+ # Clean up the generated files.
+ func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'
+
+ # Transform the symbol file into the correct name.
+ symfileobj="$output_objdir/${my_outputname}S.$objext"
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ if test -f "$output_objdir/$my_outputname.def"; then
+ compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+ else
+ compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ fi
+ ;;
+ *)
+ compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ ;;
+ esac
+ ;;
+ *)
+ func_fatal_error "unknown suffix for \`$my_dlsyms'"
+ ;;
+ esac
+ else
+ # We keep going just in case the user didn't refer to
+ # lt_preloaded_symbols. The linker will fail if global_symbol_pipe
+ # really was required.
+
+ # Nullify the symbol file.
+ compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"`
+ fi
+}
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+# Despite the name, also deal with 64 bit binaries.
+func_win32_libid ()
+{
+ $opt_debug
+ win32_libid_type="unknown"
+ win32_fileres=`file -L $1 2>/dev/null`
+ case $win32_fileres in
+ *ar\ archive\ import\ library*) # definitely import
+ win32_libid_type="x86 archive import"
+ ;;
+ *ar\ archive*) # could be an import, or static
+ # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD.
+ if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
+ $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then
+ func_to_tool_file "$1" func_convert_file_msys_to_w32
+ win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
+ $SED -n -e '
+ 1,100{
+ / I /{
+ s,.*,import,
+ p
+ q
+ }
+ }'`
+ case $win32_nmres in
+ import*) win32_libid_type="x86 archive import";;
+ *) win32_libid_type="x86 archive static";;
+ esac
+ fi
+ ;;
+ *DLL*)
+ win32_libid_type="x86 DLL"
+ ;;
+ *executable*) # but shell scripts are "executable" too...
+ case $win32_fileres in
+ *MS\ Windows\ PE\ Intel*)
+ win32_libid_type="x86 DLL"
+ ;;
+ esac
+ ;;
+ esac
+ $ECHO "$win32_libid_type"
+}
+
+# func_cygming_dll_for_implib ARG
+#
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+# Invoked by eval'ing the libtool variable
+# $sharedlib_from_linklib_cmd
+# Result is available in the variable
+# $sharedlib_from_linklib_result
+func_cygming_dll_for_implib ()
+{
+ $opt_debug
+ sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"`
+}
+
+# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs
+#
+# The is the core of a fallback implementation of a
+# platform-specific function to extract the name of the
+# DLL associated with the specified import library LIBNAME.
+#
+# SECTION_NAME is either .idata$6 or .idata$7, depending
+# on the platform and compiler that created the implib.
+#
+# Echos the name of the DLL associated with the
+# specified import library.
+func_cygming_dll_for_implib_fallback_core ()
+{
+ $opt_debug
+ match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"`
+ $OBJDUMP -s --section "$1" "$2" 2>/dev/null |
+ $SED '/^Contents of section '"$match_literal"':/{
+ # Place marker at beginning of archive member dllname section
+ s/.*/====MARK====/
+ p
+ d
+ }
+ # These lines can sometimes be longer than 43 characters, but
+ # are always uninteresting
+ /:[ ]*file format pe[i]\{,1\}-/d
+ /^In archive [^:]*:/d
+ # Ensure marker is printed
+ /^====MARK====/p
+ # Remove all lines with less than 43 characters
+ /^.\{43\}/!d
+ # From remaining lines, remove first 43 characters
+ s/^.\{43\}//' |
+ $SED -n '
+ # Join marker and all lines until next marker into a single line
+ /^====MARK====/ b para
+ H
+ $ b para
+ b
+ :para
+ x
+ s/\n//g
+ # Remove the marker
+ s/^====MARK====//
+ # Remove trailing dots and whitespace
+ s/[\. \t]*$//
+ # Print
+ /./p' |
+ # we now have a list, one entry per line, of the stringified
+ # contents of the appropriate section of all members of the
+ # archive which possess that section. Heuristic: eliminate
+ # all those which have a first or second character that is
+ # a '.' (that is, objdump's representation of an unprintable
+ # character.) This should work for all archives with less than
+ # 0x302f exports -- but will fail for DLLs whose name actually
+ # begins with a literal '.' or a single character followed by
+ # a '.'.
+ #
+ # Of those that remain, print the first one.
+ $SED -e '/^\./d;/^.\./d;q'
+}
+
+# func_cygming_gnu_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is a GNU/binutils-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_gnu_implib_p ()
+{
+ $opt_debug
+ func_to_tool_file "$1" func_convert_file_msys_to_w32
+ func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'`
+ test -n "$func_cygming_gnu_implib_tmp"
+}
+
+# func_cygming_ms_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is an MS-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_ms_implib_p ()
+{
+ $opt_debug
+ func_to_tool_file "$1" func_convert_file_msys_to_w32
+ func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
+ test -n "$func_cygming_ms_implib_tmp"
+}
+
+# func_cygming_dll_for_implib_fallback ARG
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+#
+# This fallback implementation is for use when $DLLTOOL
+# does not support the --identify-strict option.
+# Invoked by eval'ing the libtool variable
+# $sharedlib_from_linklib_cmd
+# Result is available in the variable
+# $sharedlib_from_linklib_result
+func_cygming_dll_for_implib_fallback ()
+{
+ $opt_debug
+ if func_cygming_gnu_implib_p "$1" ; then
+ # binutils import library
+ sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"`
+ elif func_cygming_ms_implib_p "$1" ; then
+ # ms-generated import library
+ sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"`
+ else
+ # unknown
+ sharedlib_from_linklib_result=""
+ fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+ $opt_debug
+ f_ex_an_ar_dir="$1"; shift
+ f_ex_an_ar_oldlib="$1"
+ if test "$lock_old_archive_extraction" = yes; then
+ lockfile=$f_ex_an_ar_oldlib.lock
+ until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+ func_echo "Waiting for $lockfile to be removed"
+ sleep 2
+ done
+ fi
+ func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \
+ 'stat=$?; rm -f "$lockfile"; exit $stat'
+ if test "$lock_old_archive_extraction" = yes; then
+ $opt_dry_run || rm -f "$lockfile"
+ fi
+ if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
+ fi
+}
+
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+ $opt_debug
+ my_gentop="$1"; shift
+ my_oldlibs=${1+"$@"}
+ my_oldobjs=""
+ my_xlib=""
+ my_xabs=""
+ my_xdir=""
+
+ for my_xlib in $my_oldlibs; do
+ # Extract the objects.
+ case $my_xlib in
+ [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+ *) my_xabs=`pwd`"/$my_xlib" ;;
+ esac
+ func_basename "$my_xlib"
+ my_xlib="$func_basename_result"
+ my_xlib_u=$my_xlib
+ while :; do
+ case " $extracted_archives " in
+ *" $my_xlib_u "*)
+ func_arith $extracted_serial + 1
+ extracted_serial=$func_arith_result
+ my_xlib_u=lt$extracted_serial-$my_xlib ;;
+ *) break ;;
+ esac
+ done
+ extracted_archives="$extracted_archives $my_xlib_u"
+ my_xdir="$my_gentop/$my_xlib_u"
+
+ func_mkdir_p "$my_xdir"
+
+ case $host in
+ *-darwin*)
+ func_verbose "Extracting $my_xabs"
+ # Do not bother doing anything if just a dry run
+ $opt_dry_run || {
+ darwin_orig_dir=`pwd`
+ cd $my_xdir || exit $?
+ darwin_archive=$my_xabs
+ darwin_curdir=`pwd`
+ darwin_base_archive=`basename "$darwin_archive"`
+ darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
+ if test -n "$darwin_arches"; then
+ darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
+ darwin_arch=
+ func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
+ for darwin_arch in $darwin_arches ; do
+ func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+ cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+ cd "$darwin_curdir"
+ $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+ done # $darwin_arches
+ ## Okay now we've a bunch of thin objects, gotta fatten them up :)
+ darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u`
+ darwin_file=
+ darwin_files=
+ for darwin_file in $darwin_filelist; do
+ darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP`
+ $LIPO -create -output "$darwin_file" $darwin_files
+ done # $darwin_filelist
+ $RM -rf unfat-$$
+ cd "$darwin_orig_dir"
+ else
+ cd $darwin_orig_dir
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ fi # $darwin_arches
+ } # !$opt_dry_run
+ ;;
+ *)
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ ;;
+ esac
+ my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP`
+ done
+
+ func_extract_archives_result="$my_oldobjs"
+}
+
+
+# func_emit_wrapper [arg=no]
+#
+# Emit a libtool wrapper script on stdout.
+# Don't directly open a file because we may want to
+# incorporate the script contents within a cygwin/mingw
+# wrapper executable. Must ONLY be called from within
+# func_mode_link because it depends on a number of variables
+# set therein.
+#
+# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
+# variable will take. If 'yes', then the emitted script
+# will assume that the directory in which it is stored is
+# the $objdir directory. This is a cygwin/mingw-specific
+# behavior.
+func_emit_wrapper ()
+{
+ func_emit_wrapper_arg1=${1-no}
+
+ $ECHO "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting. It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '\${1+\"\$@\"}'='\"\$@\"'
+ setopt NO_GLOB_SUBST
+else
+ case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+ # install mode needs the following variables:
+ generated_by_libtool_version='$macro_version'
+ notinst_deplibs='$notinst_deplibs'
+else
+ # When we are sourced in execute mode, \$file and \$ECHO are already set.
+ if test \"\$libtool_execute_magic\" != \"$magic\"; then
+ file=\"\$0\""
+
+ qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"`
+ $ECHO "\
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+ eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+ ECHO=\"$qECHO\"
+ fi
+
+# Very basic option parsing. These options are (a) specific to
+# the libtool wrapper, (b) are identical between the wrapper
+# /script/ and the wrapper /executable/ which is used only on
+# windows platforms, and (c) all begin with the string "--lt-"
+# (application programs are unlikely to have options which match
+# this pattern).
+#
+# There are only two supported options: --lt-debug and
+# --lt-dump-script. There is, deliberately, no --lt-help.
+#
+# The first argument to this parsing function should be the
+# script's $0 value, followed by "$@".
+lt_option_debug=
+func_parse_lt_options ()
+{
+ lt_script_arg0=\$0
+ shift
+ for lt_opt
+ do
+ case \"\$lt_opt\" in
+ --lt-debug) lt_option_debug=1 ;;
+ --lt-dump-script)
+ lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\`
+ test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=.
+ lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\`
+ cat \"\$lt_dump_D/\$lt_dump_F\"
+ exit 0
+ ;;
+ --lt-*)
+ \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2
+ exit 1
+ ;;
+ esac
+ done
+
+ # Print the debug banner immediately:
+ if test -n \"\$lt_option_debug\"; then
+ echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2
+ fi
+}
+
+# Used when --lt-debug. Prints its arguments to stdout
+# (redirection is the responsibility of the caller)
+func_lt_dump_args ()
+{
+ lt_dump_args_N=1;
+ for lt_arg
+ do
+ \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\"
+ lt_dump_args_N=\`expr \$lt_dump_args_N + 1\`
+ done
+}
+
+# Core function for launching the target application
+func_exec_program_core ()
+{
+"
+ case $host in
+ # Backslashes separate directories on plain windows
+ *-*-mingw | *-*-os2* | *-cegcc*)
+ $ECHO "\
+ if test -n \"\$lt_option_debug\"; then
+ \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2
+ func_lt_dump_args \${1+\"\$@\"} 1>&2
+ fi
+ exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+ ;;
+
+ *)
+ $ECHO "\
+ if test -n \"\$lt_option_debug\"; then
+ \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2
+ func_lt_dump_args \${1+\"\$@\"} 1>&2
+ fi
+ exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+ ;;
+ esac
+ $ECHO "\
+ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
+ exit 1
+}
+
+# A function to encapsulate launching the target application
+# Strips options in the --lt-* namespace from \$@ and
+# launches target application with the remaining arguments.
+func_exec_program ()
+{
+ case \" \$* \" in
+ *\\ --lt-*)
+ for lt_wr_arg
+ do
+ case \$lt_wr_arg in
+ --lt-*) ;;
+ *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+ esac
+ shift
+ done ;;
+ esac
+ func_exec_program_core \${1+\"\$@\"}
+}
+
+ # Parse options
+ func_parse_lt_options \"\$0\" \${1+\"\$@\"}
+
+ # Find the directory that this script lives in.
+ thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\`
+ test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+ # Follow symbolic links until we get to the real thisdir.
+ file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\`
+ while test -n \"\$file\"; do
+ destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\`
+
+ # If there was a directory component, then change thisdir.
+ if test \"x\$destdir\" != \"x\$file\"; then
+ case \"\$destdir\" in
+ [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+ *) thisdir=\"\$thisdir/\$destdir\" ;;
+ esac
+ fi
+
+ file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\`
+ file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\`
+ done
+
+ # Usually 'no', except on cygwin/mingw when embedded into
+ # the cwrapper.
+ WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
+ if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
+ # special case for '.'
+ if test \"\$thisdir\" = \".\"; then
+ thisdir=\`pwd\`
+ fi
+ # remove .libs from thisdir
+ case \"\$thisdir\" in
+ *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;;
+ $objdir ) thisdir=. ;;
+ esac
+ fi
+
+ # Try to get the absolute directory name.
+ absdir=\`cd \"\$thisdir\" && pwd\`
+ test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+ if test "$fast_install" = yes; then
+ $ECHO "\
+ program=lt-'$outputname'$exeext
+ progdir=\"\$thisdir/$objdir\"
+
+ if test ! -f \"\$progdir/\$program\" ||
+ { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+ test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+ file=\"\$\$-\$program\"
+
+ if test ! -d \"\$progdir\"; then
+ $MKDIR \"\$progdir\"
+ else
+ $RM \"\$progdir/\$file\"
+ fi"
+
+ $ECHO "\
+
+ # relink executable if necessary
+ if test -n \"\$relink_command\"; then
+ if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+ else
+ $ECHO \"\$relink_command_output\" >&2
+ $RM \"\$progdir/\$file\"
+ exit 1
+ fi
+ fi
+
+ $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+ { $RM \"\$progdir/\$program\";
+ $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+ $RM \"\$progdir/\$file\"
+ fi"
+ else
+ $ECHO "\
+ program='$outputname'
+ progdir=\"\$thisdir/$objdir\"
+"
+ fi
+
+ $ECHO "\
+
+ if test -f \"\$progdir/\$program\"; then"
+
+ # fixup the dll searchpath if we need to.
+ #
+ # Fix the DLL searchpath if we need to. Do this before prepending
+ # to shlibpath, because on Windows, both are PATH and uninstalled
+ # libraries must come first.
+ if test -n "$dllsearchpath"; then
+ $ECHO "\
+ # Add the dll search path components to the executable PATH
+ PATH=$dllsearchpath:\$PATH
+"
+ fi
+
+ # Export our shlibpath_var if we have one.
+ if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+ $ECHO "\
+ # Add our own library path to $shlibpath_var
+ $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+ # Some systems cannot cope with colon-terminated $shlibpath_var
+ # The second colon is a workaround for a bug in BeOS R4 sed
+ $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\`
+
+ export $shlibpath_var
+"
+ fi
+
+ $ECHO "\
+ if test \"\$libtool_execute_magic\" != \"$magic\"; then
+ # Run the actual program with our arguments.
+ func_exec_program \${1+\"\$@\"}
+ fi
+ else
+ # The program doesn't exist.
+ \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+ \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
+ \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
+ exit 1
+ fi
+fi\
+"
+}
+
+
+# func_emit_cwrapperexe_src
+# emit the source code for a wrapper executable on stdout
+# Must ONLY be called from within func_mode_link because
+# it depends on a number of variable set therein.
+func_emit_cwrapperexe_src ()
+{
+ cat <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+ Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+
+ The $output program cannot be directly executed until all the libtool
+ libraries that it depends on are installed.
+
+ This wrapper executable should never be moved out of the build directory.
+ If it is, it will not operate correctly.
+*/
+EOF
+ cat <<"EOF"
+#ifdef _MSC_VER
+# define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+# include <direct.h>
+# include <process.h>
+# include <io.h>
+#else
+# include <unistd.h>
+# include <stdint.h>
+# ifdef __CYGWIN__
+# include <io.h>
+# endif
+#endif
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+/* declarations of non-ANSI functions */
+#if defined(__MINGW32__)
+# ifdef __STRICT_ANSI__
+int _putenv (const char *);
+# endif
+#elif defined(__CYGWIN__)
+# ifdef __STRICT_ANSI__
+char *realpath (const char *, char *);
+int putenv (char *);
+int setenv (const char *, const char *, int);
+# endif
+/* #elif defined (other platforms) ... */
+#endif
+
+/* portability defines, excluding path handling macros */
+#if defined(_MSC_VER)
+# define setmode _setmode
+# define stat _stat
+# define chmod _chmod
+# define getcwd _getcwd
+# define putenv _putenv
+# define S_IXUSR _S_IEXEC
+# ifndef _INTPTR_T_DEFINED
+# define _INTPTR_T_DEFINED
+# define intptr_t int
+# endif
+#elif defined(__MINGW32__)
+# define setmode _setmode
+# define stat _stat
+# define chmod _chmod
+# define getcwd _getcwd
+# define putenv _putenv
+#elif defined(__CYGWIN__)
+# define HAVE_SETENV
+# define FOPEN_WB "wb"
+/* #elif defined (other platforms) ... */
+#endif
+
+#if defined(PATH_MAX)
+# define LT_PATHMAX PATH_MAX
+#elif defined(MAXPATHLEN)
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef S_IXOTH
+# define S_IXOTH 0
+#endif
+#ifndef S_IXGRP
+# define S_IXGRP 0
+#endif
+
+/* path handling portability macros */
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
+ defined (__OS2__)
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# define FOPEN_WB "wb"
+# ifndef DIR_SEPARATOR_2
+# define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+# define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#ifndef FOPEN_WB
+# define FOPEN_WB "w"
+#endif
+#ifndef _O_BINARY
+# define _O_BINARY 0
+#endif
+
+#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+ if (stale) { free ((void *) stale); stale = 0; } \
+} while (0)
+
+#if defined(LT_DEBUGWRAPPER)
+static int lt_debug = 1;
+#else
+static int lt_debug = 0;
+#endif
+
+const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */
+
+void *xmalloc (size_t num);
+char *xstrdup (const char *string);
+const char *base_name (const char *name);
+char *find_executable (const char *wrapper);
+char *chase_symlinks (const char *pathspec);
+int make_executable (const char *path);
+int check_executable (const char *path);
+char *strendzap (char *str, const char *pat);
+void lt_debugprintf (const char *file, int line, const char *fmt, ...);
+void lt_fatal (const char *file, int line, const char *message, ...);
+static const char *nonnull (const char *s);
+static const char *nonempty (const char *s);
+void lt_setenv (const char *name, const char *value);
+char *lt_extend_str (const char *orig_value, const char *add, int to_end);
+void lt_update_exe_path (const char *name, const char *value);
+void lt_update_lib_path (const char *name, const char *value);
+char **prepare_spawn (char **argv);
+void lt_dump_script (FILE *f);
+EOF
+
+ cat <<EOF
+volatile const char * MAGIC_EXE = "$magic_exe";
+const char * LIB_PATH_VARNAME = "$shlibpath_var";
+EOF
+
+ if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+ func_to_host_path "$temp_rpath"
+ cat <<EOF
+const char * LIB_PATH_VALUE = "$func_to_host_path_result";
+EOF
+ else
+ cat <<"EOF"
+const char * LIB_PATH_VALUE = "";
+EOF
+ fi
+
+ if test -n "$dllsearchpath"; then
+ func_to_host_path "$dllsearchpath:"
+ cat <<EOF
+const char * EXE_PATH_VARNAME = "PATH";
+const char * EXE_PATH_VALUE = "$func_to_host_path_result";
+EOF
+ else
+ cat <<"EOF"
+const char * EXE_PATH_VARNAME = "";
+const char * EXE_PATH_VALUE = "";
+EOF
+ fi
+
+ if test "$fast_install" = yes; then
+ cat <<EOF
+const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
+EOF
+ else
+ cat <<EOF
+const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */
+EOF
+ fi
+
+
+ cat <<"EOF"
+
+#define LTWRAPPER_OPTION_PREFIX "--lt-"
+
+static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX;
+static const char *dumpscript_opt = LTWRAPPER_OPTION_PREFIX "dump-script";
+static const char *debug_opt = LTWRAPPER_OPTION_PREFIX "debug";
+
+int
+main (int argc, char *argv[])
+{
+ char **newargz;
+ int newargc;
+ char *tmp_pathspec;
+ char *actual_cwrapper_path;
+ char *actual_cwrapper_name;
+ char *target_name;
+ char *lt_argv_zero;
+ intptr_t rval = 127;
+
+ int i;
+
+ program_name = (char *) xstrdup (base_name (argv[0]));
+ newargz = XMALLOC (char *, argc + 1);
+
+ /* very simple arg parsing; don't want to rely on getopt
+ * also, copy all non cwrapper options to newargz, except
+ * argz[0], which is handled differently
+ */
+ newargc=0;
+ for (i = 1; i < argc; i++)
+ {
+ if (strcmp (argv[i], dumpscript_opt) == 0)
+ {
+EOF
+ case "$host" in
+ *mingw* | *cygwin* )
+ # make stdout use "unix" line endings
+ echo " setmode(1,_O_BINARY);"
+ ;;
+ esac
+
+ cat <<"EOF"
+ lt_dump_script (stdout);
+ return 0;
+ }
+ if (strcmp (argv[i], debug_opt) == 0)
+ {
+ lt_debug = 1;
+ continue;
+ }
+ if (strcmp (argv[i], ltwrapper_option_prefix) == 0)
+ {
+ /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX
+ namespace, but it is not one of the ones we know about and
+ have already dealt with, above (inluding dump-script), then
+ report an error. Otherwise, targets might begin to believe
+ they are allowed to use options in the LTWRAPPER_OPTION_PREFIX
+ namespace. The first time any user complains about this, we'll
+ need to make LTWRAPPER_OPTION_PREFIX a configure-time option
+ or a configure.ac-settable value.
+ */
+ lt_fatal (__FILE__, __LINE__,
+ "unrecognized %s option: '%s'",
+ ltwrapper_option_prefix, argv[i]);
+ }
+ /* otherwise ... */
+ newargz[++newargc] = xstrdup (argv[i]);
+ }
+ newargz[++newargc] = NULL;
+
+EOF
+ cat <<EOF
+ /* The GNU banner must be the first non-error debug message */
+ lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\n");
+EOF
+ cat <<"EOF"
+ lt_debugprintf (__FILE__, __LINE__, "(main) argv[0]: %s\n", argv[0]);
+ lt_debugprintf (__FILE__, __LINE__, "(main) program_name: %s\n", program_name);
+
+ tmp_pathspec = find_executable (argv[0]);
+ if (tmp_pathspec == NULL)
+ lt_fatal (__FILE__, __LINE__, "couldn't find %s", argv[0]);
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) found exe (before symlink chase) at: %s\n",
+ tmp_pathspec);
+
+ actual_cwrapper_path = chase_symlinks (tmp_pathspec);
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) found exe (after symlink chase) at: %s\n",
+ actual_cwrapper_path);
+ XFREE (tmp_pathspec);
+
+ actual_cwrapper_name = xstrdup (base_name (actual_cwrapper_path));
+ strendzap (actual_cwrapper_path, actual_cwrapper_name);
+
+ /* wrapper name transforms */
+ strendzap (actual_cwrapper_name, ".exe");
+ tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1);
+ XFREE (actual_cwrapper_name);
+ actual_cwrapper_name = tmp_pathspec;
+ tmp_pathspec = 0;
+
+ /* target_name transforms -- use actual target program name; might have lt- prefix */
+ target_name = xstrdup (base_name (TARGET_PROGRAM_NAME));
+ strendzap (target_name, ".exe");
+ tmp_pathspec = lt_extend_str (target_name, ".exe", 1);
+ XFREE (target_name);
+ target_name = tmp_pathspec;
+ tmp_pathspec = 0;
+
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) libtool target name: %s\n",
+ target_name);
+EOF
+
+ cat <<EOF
+ newargz[0] =
+ XMALLOC (char, (strlen (actual_cwrapper_path) +
+ strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1));
+ strcpy (newargz[0], actual_cwrapper_path);
+ strcat (newargz[0], "$objdir");
+ strcat (newargz[0], "/");
+EOF
+
+ cat <<"EOF"
+ /* stop here, and copy so we don't have to do this twice */
+ tmp_pathspec = xstrdup (newargz[0]);
+
+ /* do NOT want the lt- prefix here, so use actual_cwrapper_name */
+ strcat (newargz[0], actual_cwrapper_name);
+
+ /* DO want the lt- prefix here if it exists, so use target_name */
+ lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1);
+ XFREE (tmp_pathspec);
+ tmp_pathspec = NULL;
+EOF
+
+ case $host_os in
+ mingw*)
+ cat <<"EOF"
+ {
+ char* p;
+ while ((p = strchr (newargz[0], '\\')) != NULL)
+ {
+ *p = '/';
+ }
+ while ((p = strchr (lt_argv_zero, '\\')) != NULL)
+ {
+ *p = '/';
+ }
+ }
+EOF
+ ;;
+ esac
+
+ cat <<"EOF"
+ XFREE (target_name);
+ XFREE (actual_cwrapper_path);
+ XFREE (actual_cwrapper_name);
+
+ lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */
+ lt_setenv ("DUALCASE", "1"); /* for MSK sh */
+ /* Update the DLL searchpath. EXE_PATH_VALUE ($dllsearchpath) must
+ be prepended before (that is, appear after) LIB_PATH_VALUE ($temp_rpath)
+ because on Windows, both *_VARNAMEs are PATH but uninstalled
+ libraries must come first. */
+ lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE);
+ lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE);
+
+ lt_debugprintf (__FILE__, __LINE__, "(main) lt_argv_zero: %s\n",
+ nonnull (lt_argv_zero));
+ for (i = 0; i < newargc; i++)
+ {
+ lt_debugprintf (__FILE__, __LINE__, "(main) newargz[%d]: %s\n",
+ i, nonnull (newargz[i]));
+ }
+
+EOF
+
+ case $host_os in
+ mingw*)
+ cat <<"EOF"
+ /* execv doesn't actually work on mingw as expected on unix */
+ newargz = prepare_spawn (newargz);
+ rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
+ if (rval == -1)
+ {
+ /* failed to start process */
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) failed to launch target \"%s\": %s\n",
+ lt_argv_zero, nonnull (strerror (errno)));
+ return 127;
+ }
+ return rval;
+EOF
+ ;;
+ *)
+ cat <<"EOF"
+ execv (lt_argv_zero, newargz);
+ return rval; /* =127, but avoids unused variable warning */
+EOF
+ ;;
+ esac
+
+ cat <<"EOF"
+}
+
+void *
+xmalloc (size_t num)
+{
+ void *p = (void *) malloc (num);
+ if (!p)
+ lt_fatal (__FILE__, __LINE__, "memory exhausted");
+
+ return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+ return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
+ string) : NULL;
+}
+
+const char *
+base_name (const char *name)
+{
+ const char *base;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ /* Skip over the disk name in MSDOS pathnames. */
+ if (isalpha ((unsigned char) name[0]) && name[1] == ':')
+ name += 2;
+#endif
+
+ for (base = name; *name; name++)
+ if (IS_DIR_SEPARATOR (*name))
+ base = name + 1;
+ return base;
+}
+
+int
+check_executable (const char *path)
+{
+ struct stat st;
+
+ lt_debugprintf (__FILE__, __LINE__, "(check_executable): %s\n",
+ nonempty (path));
+ if ((!path) || (!*path))
+ return 0;
+
+ if ((stat (path, &st) >= 0)
+ && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
+ return 1;
+ else
+ return 0;
+}
+
+int
+make_executable (const char *path)
+{
+ int rval = 0;
+ struct stat st;
+
+ lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n",
+ nonempty (path));
+ if ((!path) || (!*path))
+ return 0;
+
+ if (stat (path, &st) >= 0)
+ {
+ rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
+ }
+ return rval;
+}
+
+/* Searches for the full path of the wrapper. Returns
+ newly allocated full path name if found, NULL otherwise
+ Does not chase symlinks, even on platforms that support them.
+*/
+char *
+find_executable (const char *wrapper)
+{
+ int has_slash = 0;
+ const char *p;
+ const char *p_next;
+ /* static buffer for getcwd */
+ char tmp[LT_PATHMAX + 1];
+ int tmp_len;
+ char *concat_name;
+
+ lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n",
+ nonempty (wrapper));
+
+ if ((wrapper == NULL) || (*wrapper == '\0'))
+ return NULL;
+
+ /* Absolute path? */
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
+ {
+ concat_name = xstrdup (wrapper);
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ }
+ else
+ {
+#endif
+ if (IS_DIR_SEPARATOR (wrapper[0]))
+ {
+ concat_name = xstrdup (wrapper);
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ }
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ }
+#endif
+
+ for (p = wrapper; *p; p++)
+ if (*p == '/')
+ {
+ has_slash = 1;
+ break;
+ }
+ if (!has_slash)
+ {
+ /* no slashes; search PATH */
+ const char *path = getenv ("PATH");
+ if (path != NULL)
+ {
+ for (p = path; *p; p = p_next)
+ {
+ const char *q;
+ size_t p_len;
+ for (q = p; *q; q++)
+ if (IS_PATH_SEPARATOR (*q))
+ break;
+ p_len = q - p;
+ p_next = (*q == '\0' ? q : q + 1);
+ if (p_len == 0)
+ {
+ /* empty path: current directory */
+ if (getcwd (tmp, LT_PATHMAX) == NULL)
+ lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+ nonnull (strerror (errno)));
+ tmp_len = strlen (tmp);
+ concat_name =
+ XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+ memcpy (concat_name, tmp, tmp_len);
+ concat_name[tmp_len] = '/';
+ strcpy (concat_name + tmp_len + 1, wrapper);
+ }
+ else
+ {
+ concat_name =
+ XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
+ memcpy (concat_name, p, p_len);
+ concat_name[p_len] = '/';
+ strcpy (concat_name + p_len + 1, wrapper);
+ }
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ }
+ }
+ /* not found in PATH; assume curdir */
+ }
+ /* Relative path | not found in path: prepend cwd */
+ if (getcwd (tmp, LT_PATHMAX) == NULL)
+ lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+ nonnull (strerror (errno)));
+ tmp_len = strlen (tmp);
+ concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+ memcpy (concat_name, tmp, tmp_len);
+ concat_name[tmp_len] = '/';
+ strcpy (concat_name + tmp_len + 1, wrapper);
+
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ return NULL;
+}
+
+char *
+chase_symlinks (const char *pathspec)
+{
+#ifndef S_ISLNK
+ return xstrdup (pathspec);
+#else
+ char buf[LT_PATHMAX];
+ struct stat s;
+ char *tmp_pathspec = xstrdup (pathspec);
+ char *p;
+ int has_symlinks = 0;
+ while (strlen (tmp_pathspec) && !has_symlinks)
+ {
+ lt_debugprintf (__FILE__, __LINE__,
+ "checking path component for symlinks: %s\n",
+ tmp_pathspec);
+ if (lstat (tmp_pathspec, &s) == 0)
+ {
+ if (S_ISLNK (s.st_mode) != 0)
+ {
+ has_symlinks = 1;
+ break;
+ }
+
+ /* search backwards for last DIR_SEPARATOR */
+ p = tmp_pathspec + strlen (tmp_pathspec) - 1;
+ while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+ p--;
+ if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+ {
+ /* no more DIR_SEPARATORS left */
+ break;
+ }
+ *p = '\0';
+ }
+ else
+ {
+ lt_fatal (__FILE__, __LINE__,
+ "error accessing file \"%s\": %s",
+ tmp_pathspec, nonnull (strerror (errno)));
+ }
+ }
+ XFREE (tmp_pathspec);
+
+ if (!has_symlinks)
+ {
+ return xstrdup (pathspec);
+ }
+
+ tmp_pathspec = realpath (pathspec, buf);
+ if (tmp_pathspec == 0)
+ {
+ lt_fatal (__FILE__, __LINE__,
+ "could not follow symlinks for %s", pathspec);
+ }
+ return xstrdup (tmp_pathspec);
+#endif
+}
+
+char *
+strendzap (char *str, const char *pat)
+{
+ size_t len, patlen;
+
+ assert (str != NULL);
+ assert (pat != NULL);
+
+ len = strlen (str);
+ patlen = strlen (pat);
+
+ if (patlen <= len)
+ {
+ str += len - patlen;
+ if (strcmp (str, pat) == 0)
+ *str = '\0';
+ }
+ return str;
+}
+
+void
+lt_debugprintf (const char *file, int line, const char *fmt, ...)
+{
+ va_list args;
+ if (lt_debug)
+ {
+ (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line);
+ va_start (args, fmt);
+ (void) vfprintf (stderr, fmt, args);
+ va_end (args);
+ }
+}
+
+static void
+lt_error_core (int exit_status, const char *file,
+ int line, const char *mode,
+ const char *message, va_list ap)
+{
+ fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode);
+ vfprintf (stderr, message, ap);
+ fprintf (stderr, ".\n");
+
+ if (exit_status >= 0)
+ exit (exit_status);
+}
+
+void
+lt_fatal (const char *file, int line, const char *message, ...)
+{
+ va_list ap;
+ va_start (ap, message);
+ lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap);
+ va_end (ap);
+}
+
+static const char *
+nonnull (const char *s)
+{
+ return s ? s : "(null)";
+}
+
+static const char *
+nonempty (const char *s)
+{
+ return (s && !*s) ? "(empty)" : nonnull (s);
+}
+
+void
+lt_setenv (const char *name, const char *value)
+{
+ lt_debugprintf (__FILE__, __LINE__,
+ "(lt_setenv) setting '%s' to '%s'\n",
+ nonnull (name), nonnull (value));
+ {
+#ifdef HAVE_SETENV
+ /* always make a copy, for consistency with !HAVE_SETENV */
+ char *str = xstrdup (value);
+ setenv (name, str, 1);
+#else
+ int len = strlen (name) + 1 + strlen (value) + 1;
+ char *str = XMALLOC (char, len);
+ sprintf (str, "%s=%s", name, value);
+ if (putenv (str) != EXIT_SUCCESS)
+ {
+ XFREE (str);
+ }
+#endif
+ }
+}
+
+char *
+lt_extend_str (const char *orig_value, const char *add, int to_end)
+{
+ char *new_value;
+ if (orig_value && *orig_value)
+ {
+ int orig_value_len = strlen (orig_value);
+ int add_len = strlen (add);
+ new_value = XMALLOC (char, add_len + orig_value_len + 1);
+ if (to_end)
+ {
+ strcpy (new_value, orig_value);
+ strcpy (new_value + orig_value_len, add);
+ }
+ else
+ {
+ strcpy (new_value, add);
+ strcpy (new_value + add_len, orig_value);
+ }
+ }
+ else
+ {
+ new_value = xstrdup (add);
+ }
+ return new_value;
+}
+
+void
+lt_update_exe_path (const char *name, const char *value)
+{
+ lt_debugprintf (__FILE__, __LINE__,
+ "(lt_update_exe_path) modifying '%s' by prepending '%s'\n",
+ nonnull (name), nonnull (value));
+
+ if (name && *name && value && *value)
+ {
+ char *new_value = lt_extend_str (getenv (name), value, 0);
+ /* some systems can't cope with a ':'-terminated path #' */
+ int len = strlen (new_value);
+ while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
+ {
+ new_value[len-1] = '\0';
+ }
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ }
+}
+
+void
+lt_update_lib_path (const char *name, const char *value)
+{
+ lt_debugprintf (__FILE__, __LINE__,
+ "(lt_update_lib_path) modifying '%s' by prepending '%s'\n",
+ nonnull (name), nonnull (value));
+
+ if (name && *name && value && *value)
+ {
+ char *new_value = lt_extend_str (getenv (name), value, 0);
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ }
+}
+
+EOF
+ case $host_os in
+ mingw*)
+ cat <<"EOF"
+
+/* Prepares an argument vector before calling spawn().
+ Note that spawn() does not by itself call the command interpreter
+ (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") :
+ ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ GetVersionEx(&v);
+ v.dwPlatformId == VER_PLATFORM_WIN32_NT;
+ }) ? "cmd.exe" : "command.com").
+ Instead it simply concatenates the arguments, separated by ' ', and calls
+ CreateProcess(). We must quote the arguments since Win32 CreateProcess()
+ interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a
+ special way:
+ - Space and tab are interpreted as delimiters. They are not treated as
+ delimiters if they are surrounded by double quotes: "...".
+ - Unescaped double quotes are removed from the input. Their only effect is
+ that within double quotes, space and tab are treated like normal
+ characters.
+ - Backslashes not followed by double quotes are not special.
+ - But 2*n+1 backslashes followed by a double quote become
+ n backslashes followed by a double quote (n >= 0):
+ \" -> "
+ \\\" -> \"
+ \\\\\" -> \\"
+ */
+#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+char **
+prepare_spawn (char **argv)
+{
+ size_t argc;
+ char **new_argv;
+ size_t i;
+
+ /* Count number of arguments. */
+ for (argc = 0; argv[argc] != NULL; argc++)
+ ;
+
+ /* Allocate new argument vector. */
+ new_argv = XMALLOC (char *, argc + 1);
+
+ /* Put quoted arguments into the new argument vector. */
+ for (i = 0; i < argc; i++)
+ {
+ const char *string = argv[i];
+
+ if (string[0] == '\0')
+ new_argv[i] = xstrdup ("\"\"");
+ else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL)
+ {
+ int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL);
+ size_t length;
+ unsigned int backslashes;
+ const char *s;
+ char *quoted_string;
+ char *p;
+
+ length = 0;
+ backslashes = 0;
+ if (quote_around)
+ length++;
+ for (s = string; *s != '\0'; s++)
+ {
+ char c = *s;
+ if (c == '"')
+ length += backslashes + 1;
+ length++;
+ if (c == '\\')
+ backslashes++;
+ else
+ backslashes = 0;
+ }
+ if (quote_around)
+ length += backslashes + 1;
+
+ quoted_string = XMALLOC (char, length + 1);
+
+ p = quoted_string;
+ backslashes = 0;
+ if (quote_around)
+ *p++ = '"';
+ for (s = string; *s != '\0'; s++)
+ {
+ char c = *s;
+ if (c == '"')
+ {
+ unsigned int j;
+ for (j = backslashes + 1; j > 0; j--)
+ *p++ = '\\';
+ }
+ *p++ = c;
+ if (c == '\\')
+ backslashes++;
+ else
+ backslashes = 0;
+ }
+ if (quote_around)
+ {
+ unsigned int j;
+ for (j = backslashes; j > 0; j--)
+ *p++ = '\\';
+ *p++ = '"';
+ }
+ *p = '\0';
+
+ new_argv[i] = quoted_string;
+ }
+ else
+ new_argv[i] = (char *) string;
+ }
+ new_argv[argc] = NULL;
+
+ return new_argv;
+}
+EOF
+ ;;
+ esac
+
+ cat <<"EOF"
+void lt_dump_script (FILE* f)
+{
+EOF
+ func_emit_wrapper yes |
+ $SED -n -e '
+s/^\(.\{79\}\)\(..*\)/\1\
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/ fputs ("\1", f);/p
+g
+D'
+ cat <<"EOF"
+}
+EOF
+}
+# end: func_emit_cwrapperexe_src
+
+# func_win32_import_lib_p ARG
+# True if ARG is an import lib, as indicated by $file_magic_cmd
+func_win32_import_lib_p ()
+{
+ $opt_debug
+ case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in
+ *import*) : ;;
+ *) false ;;
+ esac
+}
+
+# func_mode_link arg...
+func_mode_link ()
+{
+ $opt_debug
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+ # It is impossible to link a dll without this setting, and
+ # we shouldn't force the makefile maintainer to figure out
+ # which system we are compiling for in order to pass an extra
+ # flag for every libtool invocation.
+ # allow_undefined=no
+
+ # FIXME: Unfortunately, there are problems with the above when trying
+ # to make a dll which has undefined symbols, in which case not
+ # even a static library is built. For now, we need to specify
+ # -no-undefined on the libtool link line when we can be certain
+ # that all symbols are satisfied, otherwise we get a static library.
+ allow_undefined=yes
+ ;;
+ *)
+ allow_undefined=yes
+ ;;
+ esac
+ libtool_args=$nonopt
+ base_compile="$nonopt $@"
+ compile_command=$nonopt
+ finalize_command=$nonopt
+
+ compile_rpath=
+ finalize_rpath=
+ compile_shlibpath=
+ finalize_shlibpath=
+ convenience=
+ old_convenience=
+ deplibs=
+ old_deplibs=
+ compiler_flags=
+ linker_flags=
+ dllsearchpath=
+ lib_search_path=`pwd`
+ inst_prefix_dir=
+ new_inherited_linker_flags=
+
+ avoid_version=no
+ bindir=
+ dlfiles=
+ dlprefiles=
+ dlself=no
+ export_dynamic=no
+ export_symbols=
+ export_symbols_regex=
+ generated=
+ libobjs=
+ ltlibs=
+ module=no
+ no_install=no
+ objs=
+ non_pic_objects=
+ precious_files_regex=
+ prefer_static_libs=no
+ preload=no
+ prev=
+ prevarg=
+ release=
+ rpath=
+ xrpath=
+ perm_rpath=
+ temp_rpath=
+ thread_safe=no
+ vinfo=
+ vinfo_number=no
+ weak_libs=
+ single_module="${wl}-single_module"
+ func_infer_tag $base_compile
+
+ # We need to know -static, to get the right output filenames.
+ for arg
+ do
+ case $arg in
+ -shared)
+ test "$build_libtool_libs" != yes && \
+ func_fatal_configuration "can not build a shared library"
+ build_old_libs=no
+ break
+ ;;
+ -all-static | -static | -static-libtool-libs)
+ case $arg in
+ -all-static)
+ if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+ func_warning "complete static linking is impossible in this configuration"
+ fi
+ if test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=yes
+ ;;
+ -static)
+ if test -z "$pic_flag" && test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=built
+ ;;
+ -static-libtool-libs)
+ if test -z "$pic_flag" && test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=yes
+ ;;
+ esac
+ build_libtool_libs=no
+ build_old_libs=yes
+ break
+ ;;
+ esac
+ done
+
+ # See if our shared archives depend on static archives.
+ test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+ # Go through the arguments, transforming them on the way.
+ while test "$#" -gt 0; do
+ arg="$1"
+ shift
+ func_quote_for_eval "$arg"
+ qarg=$func_quote_for_eval_unquoted_result
+ libtool_args+=" $func_quote_for_eval_result"
+
+ # If the previous option needs an argument, assign it.
+ if test -n "$prev"; then
+ case $prev in
+ output)
+ compile_command+=" @OUTPUT@"
+ finalize_command+=" @OUTPUT@"
+ ;;
+ esac
+
+ case $prev in
+ bindir)
+ bindir="$arg"
+ prev=
+ continue
+ ;;
+ dlfiles|dlprefiles)
+ if test "$preload" = no; then
+ # Add the symbol object into the linking commands.
+ compile_command+=" @SYMFILE@"
+ finalize_command+=" @SYMFILE@"
+ preload=yes
+ fi
+ case $arg in
+ *.la | *.lo) ;; # We handle these cases below.
+ force)
+ if test "$dlself" = no; then
+ dlself=needless
+ export_dynamic=yes
+ fi
+ prev=
+ continue
+ ;;
+ self)
+ if test "$prev" = dlprefiles; then
+ dlself=yes
+ elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+ dlself=yes
+ else
+ dlself=needless
+ export_dynamic=yes
+ fi
+ prev=
+ continue
+ ;;
+ *)
+ if test "$prev" = dlfiles; then
+ dlfiles+=" $arg"
+ else
+ dlprefiles+=" $arg"
+ fi
+ prev=
+ continue
+ ;;
+ esac
+ ;;
+ expsyms)
+ export_symbols="$arg"
+ test -f "$arg" \
+ || func_fatal_error "symbol file \`$arg' does not exist"
+ prev=
+ continue
+ ;;
+ expsyms_regex)
+ export_symbols_regex="$arg"
+ prev=
+ continue
+ ;;
+ framework)
+ case $host in
+ *-*-darwin*)
+ case "$deplibs " in
+ *" $qarg.ltframework "*) ;;
+ *) deplibs+=" $qarg.ltframework" # this is fixed later
+ ;;
+ esac
+ ;;
+ esac
+ prev=
+ continue
+ ;;
+ inst_prefix)
+ inst_prefix_dir="$arg"
+ prev=
+ continue
+ ;;
+ objectlist)
+ if test -f "$arg"; then
+ save_arg=$arg
+ moreargs=
+ for fil in `cat "$save_arg"`
+ do
+# moreargs+=" $fil"
+ arg=$fil
+ # A libtool-controlled object.
+
+ # Check to see that this really is a libtool object.
+ if func_lalib_unsafe_p "$arg"; then
+ pic_object=
+ non_pic_object=
+
+ # Read the .lo file
+ func_source "$arg"
+
+ if test -z "$pic_object" ||
+ test -z "$non_pic_object" ||
+ test "$pic_object" = none &&
+ test "$non_pic_object" = none; then
+ func_fatal_error "cannot find name of object for \`$arg'"
+ fi
+
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ if test "$pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ pic_object="$xdir$pic_object"
+
+ if test "$prev" = dlfiles; then
+ if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+ dlfiles+=" $pic_object"
+ prev=
+ continue
+ else
+ # If libtool objects are unsupported, then we need to preload.
+ prev=dlprefiles
+ fi
+ fi
+
+ # CHECK ME: I think I busted this. -Ossama
+ if test "$prev" = dlprefiles; then
+ # Preload the old-style object.
+ dlprefiles+=" $pic_object"
+ prev=
+ fi
+
+ # A PIC object.
+ libobjs+=" $pic_object"
+ arg="$pic_object"
+ fi
+
+ # Non-PIC object.
+ if test "$non_pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ non_pic_object="$xdir$non_pic_object"
+
+ # A standard non-PIC object
+ non_pic_objects+=" $non_pic_object"
+ if test -z "$pic_object" || test "$pic_object" = none ; then
+ arg="$non_pic_object"
+ fi
+ else
+ # If the PIC object exists, use it instead.
+ # $xdir was prepended to $pic_object above.
+ non_pic_object="$pic_object"
+ non_pic_objects+=" $non_pic_object"
+ fi
+ else
+ # Only an error if not doing a dry-run.
+ if $opt_dry_run; then
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ func_lo2o "$arg"
+ pic_object=$xdir$objdir/$func_lo2o_result
+ non_pic_object=$xdir$func_lo2o_result
+ libobjs+=" $pic_object"
+ non_pic_objects+=" $non_pic_object"
+ else
+ func_fatal_error "\`$arg' is not a valid libtool object"
+ fi
+ fi
+ done
+ else
+ func_fatal_error "link input file \`$arg' does not exist"
+ fi
+ arg=$save_arg
+ prev=
+ continue
+ ;;
+ precious_regex)
+ precious_files_regex="$arg"
+ prev=
+ continue
+ ;;
+ release)
+ release="-$arg"
+ prev=
+ continue
+ ;;
+ rpath | xrpath)
+ # We need an absolute path.
+ case $arg in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ func_fatal_error "only absolute run-paths are allowed"
+ ;;
+ esac
+ if test "$prev" = rpath; then
+ case "$rpath " in
+ *" $arg "*) ;;
+ *) rpath+=" $arg" ;;
+ esac
+ else
+ case "$xrpath " in
+ *" $arg "*) ;;
+ *) xrpath+=" $arg" ;;
+ esac
+ fi
+ prev=
+ continue
+ ;;
+ shrext)
+ shrext_cmds="$arg"
+ prev=
+ continue
+ ;;
+ weak)
+ weak_libs+=" $arg"
+ prev=
+ continue
+ ;;
+ xcclinker)
+ linker_flags+=" $qarg"
+ compiler_flags+=" $qarg"
+ prev=
+ compile_command+=" $qarg"
+ finalize_command+=" $qarg"
+ continue
+ ;;
+ xcompiler)
+ compiler_flags+=" $qarg"
+ prev=
+ compile_command+=" $qarg"
+ finalize_command+=" $qarg"
+ continue
+ ;;
+ xlinker)
+ linker_flags+=" $qarg"
+ compiler_flags+=" $wl$qarg"
+ prev=
+ compile_command+=" $wl$qarg"
+ finalize_command+=" $wl$qarg"
+ continue
+ ;;
+ *)
+ eval "$prev=\"\$arg\""
+ prev=
+ continue
+ ;;
+ esac
+ fi # test -n "$prev"
+
+ prevarg="$arg"
+
+ case $arg in
+ -all-static)
+ if test -n "$link_static_flag"; then
+ # See comment for -static flag below, for more details.
+ compile_command+=" $link_static_flag"
+ finalize_command+=" $link_static_flag"
+ fi
+ continue
+ ;;
+
+ -allow-undefined)
+ # FIXME: remove this flag sometime in the future.
+ func_fatal_error "\`-allow-undefined' must not be used because it is the default"
+ ;;
+
+ -avoid-version)
+ avoid_version=yes
+ continue
+ ;;
+
+ -bindir)
+ prev=bindir
+ continue
+ ;;
+
+ -dlopen)
+ prev=dlfiles
+ continue
+ ;;
+
+ -dlpreopen)
+ prev=dlprefiles
+ continue
+ ;;
+
+ -export-dynamic)
+ export_dynamic=yes
+ continue
+ ;;
+
+ -export-symbols | -export-symbols-regex)
+ if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+ func_fatal_error "more than one -exported-symbols argument is not allowed"
+ fi
+ if test "X$arg" = "X-export-symbols"; then
+ prev=expsyms
+ else
+ prev=expsyms_regex
+ fi
+ continue
+ ;;
+
+ -framework)
+ prev=framework
+ continue
+ ;;
+
+ -inst-prefix-dir)
+ prev=inst_prefix
+ continue
+ ;;
+
+ # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+ # so, if we see these flags be careful not to treat them like -L
+ -L[A-Z][A-Z]*:*)
+ case $with_gcc/$host in
+ no/*-*-irix* | /*-*-irix*)
+ compile_command+=" $arg"
+ finalize_command+=" $arg"
+ ;;
+ esac
+ continue
+ ;;
+
+ -L*)
+ func_stripname "-L" '' "$arg"
+ if test -z "$func_stripname_result"; then
+ if test "$#" -gt 0; then
+ func_fatal_error "require no space between \`-L' and \`$1'"
+ else
+ func_fatal_error "need path for \`-L' option"
+ fi
+ fi
+ func_resolve_sysroot "$func_stripname_result"
+ dir=$func_resolve_sysroot_result
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ absdir=`cd "$dir" && pwd`
+ test -z "$absdir" && \
+ func_fatal_error "cannot determine absolute directory name of \`$dir'"
+ dir="$absdir"
+ ;;
+ esac
+ case "$deplibs " in
+ *" -L$dir "* | *" $arg "*)
+ # Will only happen for absolute or sysroot arguments
+ ;;
+ *)
+ # Preserve sysroot, but never include relative directories
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]* | =*) deplibs+=" $arg" ;;
+ *) deplibs+=" -L$dir" ;;
+ esac
+ lib_search_path+=" $dir"
+ ;;
+ esac
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+ testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'`
+ case :$dllsearchpath: in
+ *":$dir:"*) ;;
+ ::) dllsearchpath=$dir;;
+ *) dllsearchpath+=":$dir";;
+ esac
+ case :$dllsearchpath: in
+ *":$testbindir:"*) ;;
+ ::) dllsearchpath=$testbindir;;
+ *) dllsearchpath+=":$testbindir";;
+ esac
+ ;;
+ esac
+ continue
+ ;;
+
+ -l*)
+ if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*)
+ # These systems don't actually have a C or math library (as such)
+ continue
+ ;;
+ *-*-os2*)
+ # These systems don't actually have a C library (as such)
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc due to us having libc/libc_r.
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # Rhapsody C and math libraries are in the System framework
+ deplibs+=" System.ltframework"
+ continue
+ ;;
+ *-*-sco3.2v5* | *-*-sco5v6*)
+ # Causes problems with __ctype
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+ # Compiler inserts libc in the correct place for threads to work
+ test "X$arg" = "X-lc" && continue
+ ;;
+ esac
+ elif test "X$arg" = "X-lc_r"; then
+ case $host in
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc_r directly, use -pthread flag.
+ continue
+ ;;
+ esac
+ fi
+ deplibs+=" $arg"
+ continue
+ ;;
+
+ -module)
+ module=yes
+ continue
+ ;;
+
+ # Tru64 UNIX uses -model [arg] to determine the layout of C++
+ # classes, name mangling, and exception handling.
+ # Darwin uses the -arch flag to determine output architecture.
+ -model|-arch|-isysroot|--sysroot)
+ compiler_flags+=" $arg"
+ compile_command+=" $arg"
+ finalize_command+=" $arg"
+ prev=xcompiler
+ continue
+ ;;
+
+ -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+ compiler_flags+=" $arg"
+ compile_command+=" $arg"
+ finalize_command+=" $arg"
+ case "$new_inherited_linker_flags " in
+ *" $arg "*) ;;
+ * ) new_inherited_linker_flags+=" $arg" ;;
+ esac
+ continue
+ ;;
+
+ -multi_module)
+ single_module="${wl}-multi_module"
+ continue
+ ;;
+
+ -no-fast-install)
+ fast_install=no
+ continue
+ ;;
+
+ -no-install)
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*)
+ # The PATH hackery in wrapper scripts is required on Windows
+ # and Darwin in order for the loader to find any dlls it needs.
+ func_warning "\`-no-install' is ignored for $host"
+ func_warning "assuming \`-no-fast-install' instead"
+ fast_install=no
+ ;;
+ *) no_install=yes ;;
+ esac
+ continue
+ ;;
+
+ -no-undefined)
+ allow_undefined=no
+ continue
+ ;;
+
+ -objectlist)
+ prev=objectlist
+ continue
+ ;;
+
+ -o) prev=output ;;
+
+ -precious-files-regex)
+ prev=precious_regex
+ continue
+ ;;
+
+ -release)
+ prev=release
+ continue
+ ;;
+
+ -rpath)
+ prev=rpath
+ continue
+ ;;
+
+ -R)
+ prev=xrpath
+ continue
+ ;;
+
+ -R*)
+ func_stripname '-R' '' "$arg"
+ dir=$func_stripname_result
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ =*)
+ func_stripname '=' '' "$dir"
+ dir=$lt_sysroot$func_stripname_result
+ ;;
+ *)
+ func_fatal_error "only absolute run-paths are allowed"
+ ;;
+ esac
+ case "$xrpath " in
+ *" $dir "*) ;;
+ *) xrpath+=" $dir" ;;
+ esac
+ continue
+ ;;
+
+ -shared)
+ # The effects of -shared are defined in a previous loop.
+ continue
+ ;;
+
+ -shrext)
+ prev=shrext
+ continue
+ ;;
+
+ -static | -static-libtool-libs)
+ # The effects of -static are defined in a previous loop.
+ # We used to do the same as -all-static on platforms that
+ # didn't have a PIC flag, but the assumption that the effects
+ # would be equivalent was wrong. It would break on at least
+ # Digital Unix and AIX.
+ continue
+ ;;
+
+ -thread-safe)
+ thread_safe=yes
+ continue
+ ;;
+
+ -version-info)
+ prev=vinfo
+ continue
+ ;;
+
+ -version-number)
+ prev=vinfo
+ vinfo_number=yes
+ continue
+ ;;
+
+ -weak)
+ prev=weak
+ continue
+ ;;
+
+ -Wc,*)
+ func_stripname '-Wc,' '' "$arg"
+ args=$func_stripname_result
+ arg=
+ save_ifs="$IFS"; IFS=','
+ for flag in $args; do
+ IFS="$save_ifs"
+ func_quote_for_eval "$flag"
+ arg+=" $func_quote_for_eval_result"
+ compiler_flags+=" $func_quote_for_eval_result"
+ done
+ IFS="$save_ifs"
+ func_stripname ' ' '' "$arg"
+ arg=$func_stripname_result
+ ;;
+
+ -Wl,*)
+ func_stripname '-Wl,' '' "$arg"
+ args=$func_stripname_result
+ arg=
+ save_ifs="$IFS"; IFS=','
+ for flag in $args; do
+ IFS="$save_ifs"
+ func_quote_for_eval "$flag"
+ arg+=" $wl$func_quote_for_eval_result"
+ compiler_flags+=" $wl$func_quote_for_eval_result"
+ linker_flags+=" $func_quote_for_eval_result"
+ done
+ IFS="$save_ifs"
+ func_stripname ' ' '' "$arg"
+ arg=$func_stripname_result
+ ;;
+
+ -Xcompiler)
+ prev=xcompiler
+ continue
+ ;;
+
+ -Xlinker)
+ prev=xlinker
+ continue
+ ;;
+
+ -XCClinker)
+ prev=xcclinker
+ continue
+ ;;
+
+ # -msg_* for osf cc
+ -msg_*)
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ ;;
+
+ # Flags to be passed through unchanged, with rationale:
+ # -64, -mips[0-9] enable 64-bit mode for the SGI compiler
+ # -r[0-9][0-9]* specify processor for the SGI compiler
+ # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler
+ # +DA*, +DD* enable 64-bit mode for the HP compiler
+ # -q* compiler args for the IBM compiler
+ # -m*, -t[45]*, -txscale* architecture-specific flags for GCC
+ # -F/path path to uninstalled frameworks, gcc on darwin
+ # -p, -pg, --coverage, -fprofile-* profiling flags for GCC
+ # @file GCC response files
+ # -tp=* Portland pgcc target processor selection
+ # --sysroot=* for sysroot support
+ # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+ -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
+ -O*|-flto*|-fwhopr*|-fuse-linker-plugin)
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ compile_command+=" $arg"
+ finalize_command+=" $arg"
+ compiler_flags+=" $arg"
+ continue
+ ;;
+
+ # Some other compiler flag.
+ -* | +*)
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ ;;
+
+ *.$objext)
+ # A standard object.
+ objs+=" $arg"
+ ;;
+
+ *.lo)
+ # A libtool-controlled object.
+
+ # Check to see that this really is a libtool object.
+ if func_lalib_unsafe_p "$arg"; then
+ pic_object=
+ non_pic_object=
+
+ # Read the .lo file
+ func_source "$arg"
+
+ if test -z "$pic_object" ||
+ test -z "$non_pic_object" ||
+ test "$pic_object" = none &&
+ test "$non_pic_object" = none; then
+ func_fatal_error "cannot find name of object for \`$arg'"
+ fi
+
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ if test "$pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ pic_object="$xdir$pic_object"
+
+ if test "$prev" = dlfiles; then
+ if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+ dlfiles+=" $pic_object"
+ prev=
+ continue
+ else
+ # If libtool objects are unsupported, then we need to preload.
+ prev=dlprefiles
+ fi
+ fi
+
+ # CHECK ME: I think I busted this. -Ossama
+ if test "$prev" = dlprefiles; then
+ # Preload the old-style object.
+ dlprefiles+=" $pic_object"
+ prev=
+ fi
+
+ # A PIC object.
+ libobjs+=" $pic_object"
+ arg="$pic_object"
+ fi
+
+ # Non-PIC object.
+ if test "$non_pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ non_pic_object="$xdir$non_pic_object"
+
+ # A standard non-PIC object
+ non_pic_objects+=" $non_pic_object"
+ if test -z "$pic_object" || test "$pic_object" = none ; then
+ arg="$non_pic_object"
+ fi
+ else
+ # If the PIC object exists, use it instead.
+ # $xdir was prepended to $pic_object above.
+ non_pic_object="$pic_object"
+ non_pic_objects+=" $non_pic_object"
+ fi
+ else
+ # Only an error if not doing a dry-run.
+ if $opt_dry_run; then
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ func_lo2o "$arg"
+ pic_object=$xdir$objdir/$func_lo2o_result
+ non_pic_object=$xdir$func_lo2o_result
+ libobjs+=" $pic_object"
+ non_pic_objects+=" $non_pic_object"
+ else
+ func_fatal_error "\`$arg' is not a valid libtool object"
+ fi
+ fi
+ ;;
+
+ *.$libext)
+ # An archive.
+ deplibs+=" $arg"
+ old_deplibs+=" $arg"
+ continue
+ ;;
+
+ *.la)
+ # A libtool-controlled library.
+
+ func_resolve_sysroot "$arg"
+ if test "$prev" = dlfiles; then
+ # This library was specified with -dlopen.
+ dlfiles+=" $func_resolve_sysroot_result"
+ prev=
+ elif test "$prev" = dlprefiles; then
+ # The library was specified with -dlpreopen.
+ dlprefiles+=" $func_resolve_sysroot_result"
+ prev=
+ else
+ deplibs+=" $func_resolve_sysroot_result"
+ fi
+ continue
+ ;;
+
+ # Some other compiler argument.
+ *)
+ # Unknown arguments in both finalize_command and compile_command need
+ # to be aesthetically quoted because they are evaled later.
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ ;;
+ esac # arg
+
+ # Now actually substitute the argument into the commands.
+ if test -n "$arg"; then
+ compile_command+=" $arg"
+ finalize_command+=" $arg"
+ fi
+ done # argument parsing loop
+
+ test -n "$prev" && \
+ func_fatal_help "the \`$prevarg' option requires an argument"
+
+ if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+ eval arg=\"$export_dynamic_flag_spec\"
+ compile_command+=" $arg"
+ finalize_command+=" $arg"
+ fi
+
+ oldlibs=
+ # calculate the name of the file, without its directory
+ func_basename "$output"
+ outputname="$func_basename_result"
+ libobjs_save="$libobjs"
+
+ if test -n "$shlibpath_var"; then
+ # get the directories listed in $shlibpath_var
+ eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\`
+ else
+ shlib_search_path=
+ fi
+ eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+ eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+ func_dirname "$output" "/" ""
+ output_objdir="$func_dirname_result$objdir"
+ func_to_tool_file "$output_objdir/"
+ tool_output_objdir=$func_to_tool_file_result
+ # Create the object directory.
+ func_mkdir_p "$output_objdir"
+
+ # Determine the type of output
+ case $output in
+ "")
+ func_fatal_help "you must specify an output file"
+ ;;
+ *.$libext) linkmode=oldlib ;;
+ *.lo | *.$objext) linkmode=obj ;;
+ *.la) linkmode=lib ;;
+ *) linkmode=prog ;; # Anything else should be a program.
+ esac
+
+ specialdeplibs=
+
+ libs=
+ # Find all interdependent deplibs by searching for libraries
+ # that are linked more than once (e.g. -la -lb -la)
+ for deplib in $deplibs; do
+ if $opt_preserve_dup_deps ; then
+ case "$libs " in
+ *" $deplib "*) specialdeplibs+=" $deplib" ;;
+ esac
+ fi
+ libs+=" $deplib"
+ done
+
+ if test "$linkmode" = lib; then
+ libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+ # Compute libraries that are listed more than once in $predeps
+ # $postdeps and mark them as special (i.e., whose duplicates are
+ # not to be eliminated).
+ pre_post_deps=
+ if $opt_duplicate_compiler_generated_deps; then
+ for pre_post_dep in $predeps $postdeps; do
+ case "$pre_post_deps " in
+ *" $pre_post_dep "*) specialdeplibs+=" $pre_post_deps" ;;
+ esac
+ pre_post_deps+=" $pre_post_dep"
+ done
+ fi
+ pre_post_deps=
+ fi
+
+ deplibs=
+ newdependency_libs=
+ newlib_search_path=
+ need_relink=no # whether we're linking any uninstalled libtool libraries
+ notinst_deplibs= # not-installed libtool libraries
+ notinst_path= # paths that contain not-installed libtool libraries
+
+ case $linkmode in
+ lib)
+ passes="conv dlpreopen link"
+ for file in $dlfiles $dlprefiles; do
+ case $file in
+ *.la) ;;
+ *)
+ func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file"
+ ;;
+ esac
+ done
+ ;;
+ prog)
+ compile_deplibs=
+ finalize_deplibs=
+ alldeplibs=no
+ newdlfiles=
+ newdlprefiles=
+ passes="conv scan dlopen dlpreopen link"
+ ;;
+ *) passes="conv"
+ ;;
+ esac
+
+ for pass in $passes; do
+ # The preopen pass in lib mode reverses $deplibs; put it back here
+ # so that -L comes before libs that need it for instance...
+ if test "$linkmode,$pass" = "lib,link"; then
+ ## FIXME: Find the place where the list is rebuilt in the wrong
+ ## order, and fix it there properly
+ tmp_deplibs=
+ for deplib in $deplibs; do
+ tmp_deplibs="$deplib $tmp_deplibs"
+ done
+ deplibs="$tmp_deplibs"
+ fi
+
+ if test "$linkmode,$pass" = "lib,link" ||
+ test "$linkmode,$pass" = "prog,scan"; then
+ libs="$deplibs"
+ deplibs=
+ fi
+ if test "$linkmode" = prog; then
+ case $pass in
+ dlopen) libs="$dlfiles" ;;
+ dlpreopen) libs="$dlprefiles" ;;
+ link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
+ esac
+ fi
+ if test "$linkmode,$pass" = "lib,dlpreopen"; then
+ # Collect and forward deplibs of preopened libtool libs
+ for lib in $dlprefiles; do
+ # Ignore non-libtool-libs
+ dependency_libs=
+ func_resolve_sysroot "$lib"
+ case $lib in
+ *.la) func_source "$func_resolve_sysroot_result" ;;
+ esac
+
+ # Collect preopened libtool deplibs, except any this library
+ # has declared as weak libs
+ for deplib in $dependency_libs; do
+ func_basename "$deplib"
+ deplib_base=$func_basename_result
+ case " $weak_libs " in
+ *" $deplib_base "*) ;;
+ *) deplibs+=" $deplib" ;;
+ esac
+ done
+ done
+ libs="$dlprefiles"
+ fi
+ if test "$pass" = dlopen; then
+ # Collect dlpreopened libraries
+ save_deplibs="$deplibs"
+ deplibs=
+ fi
+
+ for deplib in $libs; do
+ lib=
+ found=no
+ case $deplib in
+ -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ compiler_flags+=" $deplib"
+ if test "$linkmode" = lib ; then
+ case "$new_inherited_linker_flags " in
+ *" $deplib "*) ;;
+ * ) new_inherited_linker_flags+=" $deplib" ;;
+ esac
+ fi
+ fi
+ continue
+ ;;
+ -l*)
+ if test "$linkmode" != lib && test "$linkmode" != prog; then
+ func_warning "\`-l' is ignored for archives/objects"
+ continue
+ fi
+ func_stripname '-l' '' "$deplib"
+ name=$func_stripname_result
+ if test "$linkmode" = lib; then
+ searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+ else
+ searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+ fi
+ for searchdir in $searchdirs; do
+ for search_ext in .la $std_shrext .so .a; do
+ # Search the libtool library
+ lib="$searchdir/lib${name}${search_ext}"
+ if test -f "$lib"; then
+ if test "$search_ext" = ".la"; then
+ found=yes
+ else
+ found=no
+ fi
+ break 2
+ fi
+ done
+ done
+ if test "$found" != yes; then
+ # deplib doesn't seem to be a libtool library
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+ fi
+ continue
+ else # deplib is a libtool library
+ # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+ # We need to do some special things here, and not later.
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $deplib "*)
+ if func_lalib_p "$lib"; then
+ library_names=
+ old_library=
+ func_source "$lib"
+ for l in $old_library $library_names; do
+ ll="$l"
+ done
+ if test "X$ll" = "X$old_library" ; then # only static version available
+ found=no
+ func_dirname "$lib" "" "."
+ ladir="$func_dirname_result"
+ lib=$ladir/$old_library
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+ fi
+ continue
+ fi
+ fi
+ ;;
+ *) ;;
+ esac
+ fi
+ fi
+ ;; # -l
+ *.ltframework)
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ if test "$linkmode" = lib ; then
+ case "$new_inherited_linker_flags " in
+ *" $deplib "*) ;;
+ * ) new_inherited_linker_flags+=" $deplib" ;;
+ esac
+ fi
+ fi
+ continue
+ ;;
+ -L*)
+ case $linkmode in
+ lib)
+ deplibs="$deplib $deplibs"
+ test "$pass" = conv && continue
+ newdependency_libs="$deplib $newdependency_libs"
+ func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ newlib_search_path+=" $func_resolve_sysroot_result"
+ ;;
+ prog)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ continue
+ fi
+ if test "$pass" = scan; then
+ deplibs="$deplib $deplibs"
+ else
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ fi
+ func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ newlib_search_path+=" $func_resolve_sysroot_result"
+ ;;
+ *)
+ func_warning "\`-L' is ignored for archives/objects"
+ ;;
+ esac # linkmode
+ continue
+ ;; # -L
+ -R*)
+ if test "$pass" = link; then
+ func_stripname '-R' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ dir=$func_resolve_sysroot_result
+ # Make sure the xrpath contains only unique directories.
+ case "$xrpath " in
+ *" $dir "*) ;;
+ *) xrpath+=" $dir" ;;
+ esac
+ fi
+ deplibs="$deplib $deplibs"
+ continue
+ ;;
+ *.la)
+ func_resolve_sysroot "$deplib"
+ lib=$func_resolve_sysroot_result
+ ;;
+ *.$libext)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ continue
+ fi
+ case $linkmode in
+ lib)
+ # Linking convenience modules into shared libraries is allowed,
+ # but linking other static libraries is non-portable.
+ case " $dlpreconveniencelibs " in
+ *" $deplib "*) ;;
+ *)
+ valid_a_lib=no
+ case $deplibs_check_method in
+ match_pattern*)
+ set dummy $deplibs_check_method; shift
+ match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+ if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \
+ | $EGREP "$match_pattern_regex" > /dev/null; then
+ valid_a_lib=yes
+ fi
+ ;;
+ pass_all)
+ valid_a_lib=yes
+ ;;
+ esac
+ if test "$valid_a_lib" != yes; then
+ echo
+ $ECHO "*** Warning: Trying to link with static lib archive $deplib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because the file extensions .$libext of this argument makes me believe"
+ echo "*** that it is just a static archive that I should not use here."
+ else
+ echo
+ $ECHO "*** Warning: Linking the shared library $output against the"
+ $ECHO "*** static library $deplib is not portable!"
+ deplibs="$deplib $deplibs"
+ fi
+ ;;
+ esac
+ continue
+ ;;
+ prog)
+ if test "$pass" != link; then
+ deplibs="$deplib $deplibs"
+ else
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ fi
+ continue
+ ;;
+ esac # linkmode
+ ;; # *.$libext
+ *.lo | *.$objext)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ elif test "$linkmode" = prog; then
+ if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+ # If there is no dlopen support or we're linking statically,
+ # we need to preload.
+ newdlprefiles+=" $deplib"
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ newdlfiles+=" $deplib"
+ fi
+ fi
+ continue
+ ;;
+ %DEPLIBS%)
+ alldeplibs=yes
+ continue
+ ;;
+ esac # case $deplib
+
+ if test "$found" = yes || test -f "$lib"; then :
+ else
+ func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'"
+ fi
+
+ # Check to see that this really is a libtool archive.
+ func_lalib_unsafe_p "$lib" \
+ || func_fatal_error "\`$lib' is not a valid libtool archive"
+
+ func_dirname "$lib" "" "."
+ ladir="$func_dirname_result"
+
+ dlname=
+ dlopen=
+ dlpreopen=
+ libdir=
+ library_names=
+ old_library=
+ inherited_linker_flags=
+ # If the library was installed with an old release of libtool,
+ # it will not redefine variables installed, or shouldnotlink
+ installed=yes
+ shouldnotlink=no
+ avoidtemprpath=
+
+
+ # Read the .la file
+ func_source "$lib"
+
+ # Convert "-framework foo" to "foo.ltframework"
+ if test -n "$inherited_linker_flags"; then
+ tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'`
+ for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
+ case " $new_inherited_linker_flags " in
+ *" $tmp_inherited_linker_flag "*) ;;
+ *) new_inherited_linker_flags+=" $tmp_inherited_linker_flag";;
+ esac
+ done
+ fi
+ dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ if test "$linkmode,$pass" = "lib,link" ||
+ test "$linkmode,$pass" = "prog,scan" ||
+ { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+ test -n "$dlopen" && dlfiles+=" $dlopen"
+ test -n "$dlpreopen" && dlprefiles+=" $dlpreopen"
+ fi
+
+ if test "$pass" = conv; then
+ # Only check for convenience libraries
+ deplibs="$lib $deplibs"
+ if test -z "$libdir"; then
+ if test -z "$old_library"; then
+ func_fatal_error "cannot find name of link library for \`$lib'"
+ fi
+ # It is a libtool convenience library, so add in its objects.
+ convenience+=" $ladir/$objdir/$old_library"
+ old_convenience+=" $ladir/$objdir/$old_library"
+ elif test "$linkmode" != prog && test "$linkmode" != lib; then
+ func_fatal_error "\`$lib' is not a convenience library"
+ fi
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ deplibs="$deplib $deplibs"
+ if $opt_preserve_dup_deps ; then
+ case "$tmp_libs " in
+ *" $deplib "*) specialdeplibs+=" $deplib" ;;
+ esac
+ fi
+ tmp_libs+=" $deplib"
+ done
+ continue
+ fi # $pass = conv
+
+
+ # Get the name of the library we link against.
+ linklib=
+ if test -n "$old_library" &&
+ { test "$prefer_static_libs" = yes ||
+ test "$prefer_static_libs,$installed" = "built,no"; }; then
+ linklib=$old_library
+ else
+ for l in $old_library $library_names; do
+ linklib="$l"
+ done
+ fi
+ if test -z "$linklib"; then
+ func_fatal_error "cannot find name of link library for \`$lib'"
+ fi
+
+ # This library was specified with -dlopen.
+ if test "$pass" = dlopen; then
+ if test -z "$libdir"; then
+ func_fatal_error "cannot -dlopen a convenience library: \`$lib'"
+ fi
+ if test -z "$dlname" ||
+ test "$dlopen_support" != yes ||
+ test "$build_libtool_libs" = no; then
+ # If there is no dlname, no dlopen support or we're linking
+ # statically, we need to preload. We also need to preload any
+ # dependent libraries so libltdl's deplib preloader doesn't
+ # bomb out in the load deplibs phase.
+ dlprefiles+=" $lib $dependency_libs"
+ else
+ newdlfiles+=" $lib"
+ fi
+ continue
+ fi # $pass = dlopen
+
+ # We need an absolute path.
+ case $ladir in
+ [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+ *)
+ abs_ladir=`cd "$ladir" && pwd`
+ if test -z "$abs_ladir"; then
+ func_warning "cannot determine absolute directory name of \`$ladir'"
+ func_warning "passing it literally to the linker, although it might fail"
+ abs_ladir="$ladir"
+ fi
+ ;;
+ esac
+ func_basename "$lib"
+ laname="$func_basename_result"
+
+ # Find the relevant object directory and library name.
+ if test "X$installed" = Xyes; then
+ if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+ func_warning "library \`$lib' was moved."
+ dir="$ladir"
+ absdir="$abs_ladir"
+ libdir="$abs_ladir"
+ else
+ dir="$lt_sysroot$libdir"
+ absdir="$lt_sysroot$libdir"
+ fi
+ test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+ else
+ if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+ dir="$ladir"
+ absdir="$abs_ladir"
+ # Remove this search path later
+ notinst_path+=" $abs_ladir"
+ else
+ dir="$ladir/$objdir"
+ absdir="$abs_ladir/$objdir"
+ # Remove this search path later
+ notinst_path+=" $abs_ladir"
+ fi
+ fi # $installed = yes
+ func_stripname 'lib' '.la' "$laname"
+ name=$func_stripname_result
+
+ # This library was specified with -dlpreopen.
+ if test "$pass" = dlpreopen; then
+ if test -z "$libdir" && test "$linkmode" = prog; then
+ func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'"
+ fi
+ case "$host" in
+ # special handling for platforms with PE-DLLs.
+ *cygwin* | *mingw* | *cegcc* )
+ # Linker will automatically link against shared library if both
+ # static and shared are present. Therefore, ensure we extract
+ # symbols from the import library if a shared library is present
+ # (otherwise, the dlopen module name will be incorrect). We do
+ # this by putting the import library name into $newdlprefiles.
+ # We recover the dlopen module name by 'saving' the la file
+ # name in a special purpose variable, and (later) extracting the
+ # dlname from the la file.
+ if test -n "$dlname"; then
+ func_tr_sh "$dir/$linklib"
+ eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname"
+ newdlprefiles+=" $dir/$linklib"
+ else
+ newdlprefiles+=" $dir/$old_library"
+ # Keep a list of preopened convenience libraries to check
+ # that they are being used correctly in the link pass.
+ test -z "$libdir" && \
+ dlpreconveniencelibs+=" $dir/$old_library"
+ fi
+ ;;
+ * )
+ # Prefer using a static library (so that no silly _DYNAMIC symbols
+ # are required to link).
+ if test -n "$old_library"; then
+ newdlprefiles+=" $dir/$old_library"
+ # Keep a list of preopened convenience libraries to check
+ # that they are being used correctly in the link pass.
+ test -z "$libdir" && \
+ dlpreconveniencelibs+=" $dir/$old_library"
+ # Otherwise, use the dlname, so that lt_dlopen finds it.
+ elif test -n "$dlname"; then
+ newdlprefiles+=" $dir/$dlname"
+ else
+ newdlprefiles+=" $dir/$linklib"
+ fi
+ ;;
+ esac
+ fi # $pass = dlpreopen
+
+ if test -z "$libdir"; then
+ # Link the convenience library
+ if test "$linkmode" = lib; then
+ deplibs="$dir/$old_library $deplibs"
+ elif test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$dir/$old_library $compile_deplibs"
+ finalize_deplibs="$dir/$old_library $finalize_deplibs"
+ else
+ deplibs="$lib $deplibs" # used for prog,scan pass
+ fi
+ continue
+ fi
+
+
+ if test "$linkmode" = prog && test "$pass" != link; then
+ newlib_search_path+=" $ladir"
+ deplibs="$lib $deplibs"
+
+ linkalldeplibs=no
+ if test "$link_all_deplibs" != no || test -z "$library_names" ||
+ test "$build_libtool_libs" = no; then
+ linkalldeplibs=yes
+ fi
+
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ case $deplib in
+ -L*) func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ newlib_search_path+=" $func_resolve_sysroot_result"
+ ;;
+ esac
+ # Need to link against all dependency_libs?
+ if test "$linkalldeplibs" = yes; then
+ deplibs="$deplib $deplibs"
+ else
+ # Need to hardcode shared library paths
+ # or/and link against static libraries
+ newdependency_libs="$deplib $newdependency_libs"
+ fi
+ if $opt_preserve_dup_deps ; then
+ case "$tmp_libs " in
+ *" $deplib "*) specialdeplibs+=" $deplib" ;;
+ esac
+ fi
+ tmp_libs+=" $deplib"
+ done # for deplib
+ continue
+ fi # $linkmode = prog...
+
+ if test "$linkmode,$pass" = "prog,link"; then
+ if test -n "$library_names" &&
+ { { test "$prefer_static_libs" = no ||
+ test "$prefer_static_libs,$installed" = "built,yes"; } ||
+ test -z "$old_library"; }; then
+ # We need to hardcode the library path
+ if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+ # Make sure the rpath contains only unique directories.
+ case "$temp_rpath:" in
+ *"$absdir:"*) ;;
+ *) temp_rpath+="$absdir:" ;;
+ esac
+ fi
+
+ # Hardcode the library path.
+ # Skip directories that are in the system default run-time
+ # search path.
+ case " $sys_lib_dlsearch_path " in
+ *" $absdir "*) ;;
+ *)
+ case "$compile_rpath " in
+ *" $absdir "*) ;;
+ *) compile_rpath+=" $absdir" ;;
+ esac
+ ;;
+ esac
+ case " $sys_lib_dlsearch_path " in
+ *" $libdir "*) ;;
+ *)
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath+=" $libdir" ;;
+ esac
+ ;;
+ esac
+ fi # $linkmode,$pass = prog,link...
+
+ if test "$alldeplibs" = yes &&
+ { test "$deplibs_check_method" = pass_all ||
+ { test "$build_libtool_libs" = yes &&
+ test -n "$library_names"; }; }; then
+ # We only need to search for static libraries
+ continue
+ fi
+ fi
+
+ link_static=no # Whether the deplib will be linked statically
+ use_static_libs=$prefer_static_libs
+ if test "$use_static_libs" = built && test "$installed" = yes; then
+ use_static_libs=no
+ fi
+ if test -n "$library_names" &&
+ { test "$use_static_libs" = no || test -z "$old_library"; }; then
+ case $host in
+ *cygwin* | *mingw* | *cegcc*)
+ # No point in relinking DLLs because paths are not encoded
+ notinst_deplibs+=" $lib"
+ need_relink=no
+ ;;
+ *)
+ if test "$installed" = no; then
+ notinst_deplibs+=" $lib"
+ need_relink=yes
+ fi
+ ;;
+ esac
+ # This is a shared library
+
+ # Warn about portability, can't link against -module's on some
+ # systems (darwin). Don't bleat about dlopened modules though!
+ dlopenmodule=""
+ for dlpremoduletest in $dlprefiles; do
+ if test "X$dlpremoduletest" = "X$lib"; then
+ dlopenmodule="$dlpremoduletest"
+ break
+ fi
+ done
+ if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then
+ echo
+ if test "$linkmode" = prog; then
+ $ECHO "*** Warning: Linking the executable $output against the loadable module"
+ else
+ $ECHO "*** Warning: Linking the shared library $output against the loadable module"
+ fi
+ $ECHO "*** $linklib is not portable!"
+ fi
+ if test "$linkmode" = lib &&
+ test "$hardcode_into_libs" = yes; then
+ # Hardcode the library path.
+ # Skip directories that are in the system default run-time
+ # search path.
+ case " $sys_lib_dlsearch_path " in
+ *" $absdir "*) ;;
+ *)
+ case "$compile_rpath " in
+ *" $absdir "*) ;;
+ *) compile_rpath+=" $absdir" ;;
+ esac
+ ;;
+ esac
+ case " $sys_lib_dlsearch_path " in
+ *" $libdir "*) ;;
+ *)
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath+=" $libdir" ;;
+ esac
+ ;;
+ esac
+ fi
+
+ if test -n "$old_archive_from_expsyms_cmds"; then
+ # figure out the soname
+ set dummy $library_names
+ shift
+ realname="$1"
+ shift
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ # use dlname if we got it. it's perfectly good, no?
+ if test -n "$dlname"; then
+ soname="$dlname"
+ elif test -n "$soname_spec"; then
+ # bleh windows
+ case $host in
+ *cygwin* | mingw* | *cegcc*)
+ func_arith $current - $age
+ major=$func_arith_result
+ versuffix="-$major"
+ ;;
+ esac
+ eval soname=\"$soname_spec\"
+ else
+ soname="$realname"
+ fi
+
+ # Make a new name for the extract_expsyms_cmds to use
+ soroot="$soname"
+ func_basename "$soroot"
+ soname="$func_basename_result"
+ func_stripname 'lib' '.dll' "$soname"
+ newlib=libimp-$func_stripname_result.a
+
+ # If the library has no export list, then create one now
+ if test -f "$output_objdir/$soname-def"; then :
+ else
+ func_verbose "extracting exported symbol list from \`$soname'"
+ func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
+ fi
+
+ # Create $newlib
+ if test -f "$output_objdir/$newlib"; then :; else
+ func_verbose "generating import library for \`$soname'"
+ func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
+ fi
+ # make sure the library variables are pointing to the new library
+ dir=$output_objdir
+ linklib=$newlib
+ fi # test -n "$old_archive_from_expsyms_cmds"
+
+ if test "$linkmode" = prog || test "$opt_mode" != relink; then
+ add_shlibpath=
+ add_dir=
+ add=
+ lib_linked=yes
+ case $hardcode_action in
+ immediate | unsupported)
+ if test "$hardcode_direct" = no; then
+ add="$dir/$linklib"
+ case $host in
+ *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
+ *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+ *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+ *-*-unixware7*) add_dir="-L$dir" ;;
+ *-*-darwin* )
+ # if the lib is a (non-dlopened) module then we can not
+ # link against it, someone is ignoring the earlier warnings
+ if /usr/bin/file -L $add 2> /dev/null |
+ $GREP ": [^:]* bundle" >/dev/null ; then
+ if test "X$dlopenmodule" != "X$lib"; then
+ $ECHO "*** Warning: lib $linklib is a module, not a shared library"
+ if test -z "$old_library" ; then
+ echo
+ echo "*** And there doesn't seem to be a static archive available"
+ echo "*** The link will probably fail, sorry"
+ else
+ add="$dir/$old_library"
+ fi
+ elif test -n "$old_library"; then
+ add="$dir/$old_library"
+ fi
+ fi
+ esac
+ elif test "$hardcode_minus_L" = no; then
+ case $host in
+ *-*-sunos*) add_shlibpath="$dir" ;;
+ esac
+ add_dir="-L$dir"
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = no; then
+ add_shlibpath="$dir"
+ add="-l$name"
+ else
+ lib_linked=no
+ fi
+ ;;
+ relink)
+ if test "$hardcode_direct" = yes &&
+ test "$hardcode_direct_absolute" = no; then
+ add="$dir/$linklib"
+ elif test "$hardcode_minus_L" = yes; then
+ add_dir="-L$absdir"
+ # Try looking first in the location we're being installed to.
+ if test -n "$inst_prefix_dir"; then
+ case $libdir in
+ [\\/]*)
+ add_dir+=" -L$inst_prefix_dir$libdir"
+ ;;
+ esac
+ fi
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = yes; then
+ add_shlibpath="$dir"
+ add="-l$name"
+ else
+ lib_linked=no
+ fi
+ ;;
+ *) lib_linked=no ;;
+ esac
+
+ if test "$lib_linked" != yes; then
+ func_fatal_configuration "unsupported hardcode properties"
+ fi
+
+ if test -n "$add_shlibpath"; then
+ case :$compile_shlibpath: in
+ *":$add_shlibpath:"*) ;;
+ *) compile_shlibpath+="$add_shlibpath:" ;;
+ esac
+ fi
+ if test "$linkmode" = prog; then
+ test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+ test -n "$add" && compile_deplibs="$add $compile_deplibs"
+ else
+ test -n "$add_dir" && deplibs="$add_dir $deplibs"
+ test -n "$add" && deplibs="$add $deplibs"
+ if test "$hardcode_direct" != yes &&
+ test "$hardcode_minus_L" != yes &&
+ test "$hardcode_shlibpath_var" = yes; then
+ case :$finalize_shlibpath: in
+ *":$libdir:"*) ;;
+ *) finalize_shlibpath+="$libdir:" ;;
+ esac
+ fi
+ fi
+ fi
+
+ if test "$linkmode" = prog || test "$opt_mode" = relink; then
+ add_shlibpath=
+ add_dir=
+ add=
+ # Finalize command for both is simple: just hardcode it.
+ if test "$hardcode_direct" = yes &&
+ test "$hardcode_direct_absolute" = no; then
+ add="$libdir/$linklib"
+ elif test "$hardcode_minus_L" = yes; then
+ add_dir="-L$libdir"
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = yes; then
+ case :$finalize_shlibpath: in
+ *":$libdir:"*) ;;
+ *) finalize_shlibpath+="$libdir:" ;;
+ esac
+ add="-l$name"
+ elif test "$hardcode_automatic" = yes; then
+ if test -n "$inst_prefix_dir" &&
+ test -f "$inst_prefix_dir$libdir/$linklib" ; then
+ add="$inst_prefix_dir$libdir/$linklib"
+ else
+ add="$libdir/$linklib"
+ fi
+ else
+ # We cannot seem to hardcode it, guess we'll fake it.
+ add_dir="-L$libdir"
+ # Try looking first in the location we're being installed to.
+ if test -n "$inst_prefix_dir"; then
+ case $libdir in
+ [\\/]*)
+ add_dir+=" -L$inst_prefix_dir$libdir"
+ ;;
+ esac
+ fi
+ add="-l$name"
+ fi
+
+ if test "$linkmode" = prog; then
+ test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+ test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+ else
+ test -n "$add_dir" && deplibs="$add_dir $deplibs"
+ test -n "$add" && deplibs="$add $deplibs"
+ fi
+ fi
+ elif test "$linkmode" = prog; then
+ # Here we assume that one of hardcode_direct or hardcode_minus_L
+ # is not unsupported. This is valid on all known static and
+ # shared platforms.
+ if test "$hardcode_direct" != unsupported; then
+ test -n "$old_library" && linklib="$old_library"
+ compile_deplibs="$dir/$linklib $compile_deplibs"
+ finalize_deplibs="$dir/$linklib $finalize_deplibs"
+ else
+ compile_deplibs="-l$name -L$dir $compile_deplibs"
+ finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+ fi
+ elif test "$build_libtool_libs" = yes; then
+ # Not a shared library
+ if test "$deplibs_check_method" != pass_all; then
+ # We're trying link a shared library against a static one
+ # but the system doesn't support it.
+
+ # Just print a warning and add the library to dependency_libs so
+ # that the program can be linked against the static library.
+ echo
+ $ECHO "*** Warning: This system can not link to static lib archive $lib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have."
+ if test "$module" = yes; then
+ echo "*** But as you try to build a module library, libtool will still create "
+ echo "*** a static module, that should work as long as the dlopening application"
+ echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
+ if test -z "$global_symbol_pipe"; then
+ echo
+ echo "*** However, this would only work if libtool was able to extract symbol"
+ echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+ echo "*** not find such a program. So, this module is probably useless."
+ echo "*** \`nm' from GNU binutils and a full rebuild may help."
+ fi
+ if test "$build_old_libs" = no; then
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ fi
+ else
+ deplibs="$dir/$old_library $deplibs"
+ link_static=yes
+ fi
+ fi # link shared/static library?
+
+ if test "$linkmode" = lib; then
+ if test -n "$dependency_libs" &&
+ { test "$hardcode_into_libs" != yes ||
+ test "$build_old_libs" = yes ||
+ test "$link_static" = yes; }; then
+ # Extract -R from dependency_libs
+ temp_deplibs=
+ for libdir in $dependency_libs; do
+ case $libdir in
+ -R*) func_stripname '-R' '' "$libdir"
+ temp_xrpath=$func_stripname_result
+ case " $xrpath " in
+ *" $temp_xrpath "*) ;;
+ *) xrpath+=" $temp_xrpath";;
+ esac;;
+ *) temp_deplibs+=" $libdir";;
+ esac
+ done
+ dependency_libs="$temp_deplibs"
+ fi
+
+ newlib_search_path+=" $absdir"
+ # Link against this library
+ test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+ # ... and its dependency_libs
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ newdependency_libs="$deplib $newdependency_libs"
+ case $deplib in
+ -L*) func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result";;
+ *) func_resolve_sysroot "$deplib" ;;
+ esac
+ if $opt_preserve_dup_deps ; then
+ case "$tmp_libs " in
+ *" $func_resolve_sysroot_result "*)
+ specialdeplibs+=" $func_resolve_sysroot_result" ;;
+ esac
+ fi
+ tmp_libs+=" $func_resolve_sysroot_result"
+ done
+
+ if test "$link_all_deplibs" != no; then
+ # Add the search paths of all dependency libraries
+ for deplib in $dependency_libs; do
+ path=
+ case $deplib in
+ -L*) path="$deplib" ;;
+ *.la)
+ func_resolve_sysroot "$deplib"
+ deplib=$func_resolve_sysroot_result
+ func_dirname "$deplib" "" "."
+ dir=$func_dirname_result
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+ *)
+ absdir=`cd "$dir" && pwd`
+ if test -z "$absdir"; then
+ func_warning "cannot determine absolute directory name of \`$dir'"
+ absdir="$dir"
+ fi
+ ;;
+ esac
+ if $GREP "^installed=no" $deplib > /dev/null; then
+ case $host in
+ *-*-darwin*)
+ depdepl=
+ eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+ if test -n "$deplibrary_names" ; then
+ for tmp in $deplibrary_names ; do
+ depdepl=$tmp
+ done
+ if test -f "$absdir/$objdir/$depdepl" ; then
+ depdepl="$absdir/$objdir/$depdepl"
+ darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+ if test -z "$darwin_install_name"; then
+ darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+ fi
+ compiler_flags+=" ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}"
+ linker_flags+=" -dylib_file ${darwin_install_name}:${depdepl}"
+ path=
+ fi
+ fi
+ ;;
+ *)
+ path="-L$absdir/$objdir"
+ ;;
+ esac
+ else
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+ test -z "$libdir" && \
+ func_fatal_error "\`$deplib' is not a valid libtool archive"
+ test "$absdir" != "$libdir" && \
+ func_warning "\`$deplib' seems to be moved"
+
+ path="-L$absdir"
+ fi
+ ;;
+ esac
+ case " $deplibs " in
+ *" $path "*) ;;
+ *) deplibs="$path $deplibs" ;;
+ esac
+ done
+ fi # link_all_deplibs != no
+ fi # linkmode = lib
+ done # for deplib in $libs
+ if test "$pass" = link; then
+ if test "$linkmode" = "prog"; then
+ compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
+ finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
+ else
+ compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ fi
+ fi
+ dependency_libs="$newdependency_libs"
+ if test "$pass" = dlpreopen; then
+ # Link the dlpreopened libraries before other libraries
+ for deplib in $save_deplibs; do
+ deplibs="$deplib $deplibs"
+ done
+ fi
+ if test "$pass" != dlopen; then
+ if test "$pass" != conv; then
+ # Make sure lib_search_path contains only unique directories.
+ lib_search_path=
+ for dir in $newlib_search_path; do
+ case "$lib_search_path " in
+ *" $dir "*) ;;
+ *) lib_search_path+=" $dir" ;;
+ esac
+ done
+ newlib_search_path=
+ fi
+
+ if test "$linkmode,$pass" != "prog,link"; then
+ vars="deplibs"
+ else
+ vars="compile_deplibs finalize_deplibs"
+ fi
+ for var in $vars dependency_libs; do
+ # Add libraries to $var in reverse order
+ eval tmp_libs=\"\$$var\"
+ new_libs=
+ for deplib in $tmp_libs; do
+ # FIXME: Pedantically, this is the right thing to do, so
+ # that some nasty dependency loop isn't accidentally
+ # broken:
+ #new_libs="$deplib $new_libs"
+ # Pragmatically, this seems to cause very few problems in
+ # practice:
+ case $deplib in
+ -L*) new_libs="$deplib $new_libs" ;;
+ -R*) ;;
+ *)
+ # And here is the reason: when a library appears more
+ # than once as an explicit dependence of a library, or
+ # is implicitly linked in more than once by the
+ # compiler, it is considered special, and multiple
+ # occurrences thereof are not removed. Compare this
+ # with having the same library being listed as a
+ # dependency of multiple other libraries: in this case,
+ # we know (pedantically, we assume) the library does not
+ # need to be listed more than once, so we keep only the
+ # last copy. This is not always right, but it is rare
+ # enough that we require users that really mean to play
+ # such unportable linking tricks to link the library
+ # using -Wl,-lname, so that libtool does not consider it
+ # for duplicate removal.
+ case " $specialdeplibs " in
+ *" $deplib "*) new_libs="$deplib $new_libs" ;;
+ *)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) new_libs="$deplib $new_libs" ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ done
+ tmp_libs=
+ for deplib in $new_libs; do
+ case $deplib in
+ -L*)
+ case " $tmp_libs " in
+ *" $deplib "*) ;;
+ *) tmp_libs+=" $deplib" ;;
+ esac
+ ;;
+ *) tmp_libs+=" $deplib" ;;
+ esac
+ done
+ eval $var=\"$tmp_libs\"
+ done # for var
+ fi
+ # Last step: remove runtime libs from dependency_libs
+ # (they stay in deplibs)
+ tmp_libs=
+ for i in $dependency_libs ; do
+ case " $predeps $postdeps $compiler_lib_search_path " in
+ *" $i "*)
+ i=""
+ ;;
+ esac
+ if test -n "$i" ; then
+ tmp_libs+=" $i"
+ fi
+ done
+ dependency_libs=$tmp_libs
+ done # for pass
+ if test "$linkmode" = prog; then
+ dlfiles="$newdlfiles"
+ fi
+ if test "$linkmode" = prog || test "$linkmode" = lib; then
+ dlprefiles="$newdlprefiles"
+ fi
+
+ case $linkmode in
+ oldlib)
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ func_warning "\`-dlopen' is ignored for archives"
+ fi
+
+ case " $deplibs" in
+ *\ -l* | *\ -L*)
+ func_warning "\`-l' and \`-L' are ignored for archives" ;;
+ esac
+
+ test -n "$rpath" && \
+ func_warning "\`-rpath' is ignored for archives"
+
+ test -n "$xrpath" && \
+ func_warning "\`-R' is ignored for archives"
+
+ test -n "$vinfo" && \
+ func_warning "\`-version-info/-version-number' is ignored for archives"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for archives"
+
+ test -n "$export_symbols$export_symbols_regex" && \
+ func_warning "\`-export-symbols' is ignored for archives"
+
+ # Now set the variables for building old libraries.
+ build_libtool_libs=no
+ oldlibs="$output"
+ objs+="$old_deplibs"
+ ;;
+
+ lib)
+ # Make sure we only generate libraries of the form `libNAME.la'.
+ case $outputname in
+ lib*)
+ func_stripname 'lib' '.la' "$outputname"
+ name=$func_stripname_result
+ eval shared_ext=\"$shrext_cmds\"
+ eval libname=\"$libname_spec\"
+ ;;
+ *)
+ test "$module" = no && \
+ func_fatal_help "libtool library \`$output' must begin with \`lib'"
+
+ if test "$need_lib_prefix" != no; then
+ # Add the "lib" prefix for modules if required
+ func_stripname '' '.la' "$outputname"
+ name=$func_stripname_result
+ eval shared_ext=\"$shrext_cmds\"
+ eval libname=\"$libname_spec\"
+ else
+ func_stripname '' '.la' "$outputname"
+ libname=$func_stripname_result
+ fi
+ ;;
+ esac
+
+ if test -n "$objs"; then
+ if test "$deplibs_check_method" != pass_all; then
+ func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs"
+ else
+ echo
+ $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
+ $ECHO "*** objects $objs is not portable!"
+ libobjs+=" $objs"
+ fi
+ fi
+
+ test "$dlself" != no && \
+ func_warning "\`-dlopen self' is ignored for libtool libraries"
+
+ set dummy $rpath
+ shift
+ test "$#" -gt 1 && \
+ func_warning "ignoring multiple \`-rpath's for a libtool library"
+
+ install_libdir="$1"
+
+ oldlibs=
+ if test -z "$rpath"; then
+ if test "$build_libtool_libs" = yes; then
+ # Building a libtool convenience library.
+ # Some compilers have problems with a `.al' extension so
+ # convenience libraries should have the same extension an
+ # archive normally would.
+ oldlibs="$output_objdir/$libname.$libext $oldlibs"
+ build_libtool_libs=convenience
+ build_old_libs=yes
+ fi
+
+ test -n "$vinfo" && \
+ func_warning "\`-version-info/-version-number' is ignored for convenience libraries"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for convenience libraries"
+ else
+
+ # Parse the version information argument.
+ save_ifs="$IFS"; IFS=':'
+ set dummy $vinfo 0 0 0
+ shift
+ IFS="$save_ifs"
+
+ test -n "$7" && \
+ func_fatal_help "too many parameters to \`-version-info'"
+
+ # convert absolute version numbers to libtool ages
+ # this retains compatibility with .la files and attempts
+ # to make the code below a bit more comprehensible
+
+ case $vinfo_number in
+ yes)
+ number_major="$1"
+ number_minor="$2"
+ number_revision="$3"
+ #
+ # There are really only two kinds -- those that
+ # use the current revision as the major version
+ # and those that subtract age and use age as
+ # a minor version. But, then there is irix
+ # which has an extra 1 added just for fun
+ #
+ case $version_type in
+ # correct linux to gnu/linux during the next big refactor
+ darwin|linux|osf|windows|none)
+ func_arith $number_major + $number_minor
+ current=$func_arith_result
+ age="$number_minor"
+ revision="$number_revision"
+ ;;
+ freebsd-aout|freebsd-elf|qnx|sunos)
+ current="$number_major"
+ revision="$number_minor"
+ age="0"
+ ;;
+ irix|nonstopux)
+ func_arith $number_major + $number_minor
+ current=$func_arith_result
+ age="$number_minor"
+ revision="$number_minor"
+ lt_irix_increment=no
+ ;;
+ esac
+ ;;
+ no)
+ current="$1"
+ revision="$2"
+ age="$3"
+ ;;
+ esac
+
+ # Check that each of the things are valid numbers.
+ case $current in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ func_error "CURRENT \`$current' must be a nonnegative integer"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ ;;
+ esac
+
+ case $revision in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ func_error "REVISION \`$revision' must be a nonnegative integer"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ ;;
+ esac
+
+ case $age in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ func_error "AGE \`$age' must be a nonnegative integer"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ ;;
+ esac
+
+ if test "$age" -gt "$current"; then
+ func_error "AGE \`$age' is greater than the current interface number \`$current'"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ fi
+
+ # Calculate the version variables.
+ major=
+ versuffix=
+ verstring=
+ case $version_type in
+ none) ;;
+
+ darwin)
+ # Like Linux, but with the current version available in
+ # verstring for coding it into the library header
+ func_arith $current - $age
+ major=.$func_arith_result
+ versuffix="$major.$age.$revision"
+ # Darwin ld doesn't like 0 for these options...
+ func_arith $current + 1
+ minor_current=$func_arith_result
+ xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+ verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+ ;;
+
+ freebsd-aout)
+ major=".$current"
+ versuffix=".$current.$revision";
+ ;;
+
+ freebsd-elf)
+ major=".$current"
+ versuffix=".$current"
+ ;;
+
+ irix | nonstopux)
+ if test "X$lt_irix_increment" = "Xno"; then
+ func_arith $current - $age
+ else
+ func_arith $current - $age + 1
+ fi
+ major=$func_arith_result
+
+ case $version_type in
+ nonstopux) verstring_prefix=nonstopux ;;
+ *) verstring_prefix=sgi ;;
+ esac
+ verstring="$verstring_prefix$major.$revision"
+
+ # Add in all the interfaces that we are compatible with.
+ loop=$revision
+ while test "$loop" -ne 0; do
+ func_arith $revision - $loop
+ iface=$func_arith_result
+ func_arith $loop - 1
+ loop=$func_arith_result
+ verstring="$verstring_prefix$major.$iface:$verstring"
+ done
+
+ # Before this point, $major must not contain `.'.
+ major=.$major
+ versuffix="$major.$revision"
+ ;;
+
+ linux) # correct to gnu/linux during the next big refactor
+ func_arith $current - $age
+ major=.$func_arith_result
+ versuffix="$major.$age.$revision"
+ ;;
+
+ osf)
+ func_arith $current - $age
+ major=.$func_arith_result
+ versuffix=".$current.$age.$revision"
+ verstring="$current.$age.$revision"
+
+ # Add in all the interfaces that we are compatible with.
+ loop=$age
+ while test "$loop" -ne 0; do
+ func_arith $current - $loop
+ iface=$func_arith_result
+ func_arith $loop - 1
+ loop=$func_arith_result
+ verstring="$verstring:${iface}.0"
+ done
+
+ # Make executables depend on our current version.
+ verstring+=":${current}.0"
+ ;;
+
+ qnx)
+ major=".$current"
+ versuffix=".$current"
+ ;;
+
+ sunos)
+ major=".$current"
+ versuffix=".$current.$revision"
+ ;;
+
+ windows)
+ # Use '-' rather than '.', since we only want one
+ # extension on DOS 8.3 filesystems.
+ func_arith $current - $age
+ major=$func_arith_result
+ versuffix="-$major"
+ ;;
+
+ *)
+ func_fatal_configuration "unknown library version type \`$version_type'"
+ ;;
+ esac
+
+ # Clear the version info if we defaulted, and they specified a release.
+ if test -z "$vinfo" && test -n "$release"; then
+ major=
+ case $version_type in
+ darwin)
+ # we can't check for "0.0" in archive_cmds due to quoting
+ # problems, so we reset it completely
+ verstring=
+ ;;
+ *)
+ verstring="0.0"
+ ;;
+ esac
+ if test "$need_version" = no; then
+ versuffix=
+ else
+ versuffix=".0.0"
+ fi
+ fi
+
+ # Remove version info from name if versioning should be avoided
+ if test "$avoid_version" = yes && test "$need_version" = no; then
+ major=
+ versuffix=
+ verstring=""
+ fi
+
+ # Check to see if the archive will have undefined symbols.
+ if test "$allow_undefined" = yes; then
+ if test "$allow_undefined_flag" = unsupported; then
+ func_warning "undefined symbols not allowed in $host shared libraries"
+ build_libtool_libs=no
+ build_old_libs=yes
+ fi
+ else
+ # Don't allow undefined symbols.
+ allow_undefined_flag="$no_undefined_flag"
+ fi
+
+ fi
+
+ func_generate_dlsyms "$libname" "$libname" "yes"
+ libobjs+=" $symfileobj"
+ test "X$libobjs" = "X " && libobjs=
+
+ if test "$opt_mode" != relink; then
+ # Remove our outputs, but don't remove object files since they
+ # may have been created when compiling PIC objects.
+ removelist=
+ tempremovelist=`$ECHO "$output_objdir/*"`
+ for p in $tempremovelist; do
+ case $p in
+ *.$objext | *.gcno)
+ ;;
+ $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
+ if test "X$precious_files_regex" != "X"; then
+ if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+ then
+ continue
+ fi
+ fi
+ removelist+=" $p"
+ ;;
+ *) ;;
+ esac
+ done
+ test -n "$removelist" && \
+ func_show_eval "${RM}r \$removelist"
+ fi
+
+ # Now set the variables for building old libraries.
+ if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+ oldlibs+=" $output_objdir/$libname.$libext"
+
+ # Transform .lo files to .o files.
+ oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP`
+ fi
+
+ # Eliminate all temporary directories.
+ #for path in $notinst_path; do
+ # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"`
+ # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"`
+ # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"`
+ #done
+
+ if test -n "$xrpath"; then
+ # If the user specified any rpath flags, then add them.
+ temp_xrpath=
+ for libdir in $xrpath; do
+ func_replace_sysroot "$libdir"
+ temp_xrpath+=" -R$func_replace_sysroot_result"
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath+=" $libdir" ;;
+ esac
+ done
+ if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+ dependency_libs="$temp_xrpath $dependency_libs"
+ fi
+ fi
+
+ # Make sure dlfiles contains only unique files that won't be dlpreopened
+ old_dlfiles="$dlfiles"
+ dlfiles=
+ for lib in $old_dlfiles; do
+ case " $dlprefiles $dlfiles " in
+ *" $lib "*) ;;
+ *) dlfiles+=" $lib" ;;
+ esac
+ done
+
+ # Make sure dlprefiles contains only unique files
+ old_dlprefiles="$dlprefiles"
+ dlprefiles=
+ for lib in $old_dlprefiles; do
+ case "$dlprefiles " in
+ *" $lib "*) ;;
+ *) dlprefiles+=" $lib" ;;
+ esac
+ done
+
+ if test "$build_libtool_libs" = yes; then
+ if test -n "$rpath"; then
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*)
+ # these systems don't actually have a c library (as such)!
+ ;;
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # Rhapsody C library is in the System framework
+ deplibs+=" System.ltframework"
+ ;;
+ *-*-netbsd*)
+ # Don't link with libc until the a.out ld.so is fixed.
+ ;;
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc due to us having libc/libc_r.
+ ;;
+ *-*-sco3.2v5* | *-*-sco5v6*)
+ # Causes problems with __ctype
+ ;;
+ *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+ # Compiler inserts libc in the correct place for threads to work
+ ;;
+ *)
+ # Add libc to deplibs on all other systems if necessary.
+ if test "$build_libtool_need_lc" = "yes"; then
+ deplibs+=" -lc"
+ fi
+ ;;
+ esac
+ fi
+
+ # Transform deplibs into only deplibs that can be linked in shared.
+ name_save=$name
+ libname_save=$libname
+ release_save=$release
+ versuffix_save=$versuffix
+ major_save=$major
+ # I'm not sure if I'm treating the release correctly. I think
+ # release should show up in the -l (ie -lgmp5) so we don't want to
+ # add it in twice. Is that correct?
+ release=""
+ versuffix=""
+ major=""
+ newdeplibs=
+ droppeddeps=no
+ case $deplibs_check_method in
+ pass_all)
+ # Don't check for shared/static. Everything works.
+ # This might be a little naive. We might want to check
+ # whether the library exists or not. But this is on
+ # osf3 & osf4 and I'm not really sure... Just
+ # implementing what was already the behavior.
+ newdeplibs=$deplibs
+ ;;
+ test_compile)
+ # This code stresses the "libraries are programs" paradigm to its
+ # limits. Maybe even breaks it. We compile a program, linking it
+ # against the deplibs as a proxy for the library. Then we can check
+ # whether they linked in statically or dynamically with ldd.
+ $opt_dry_run || $RM conftest.c
+ cat > conftest.c <<EOF
+ int main() { return 0; }
+EOF
+ $opt_dry_run || $RM conftest
+ if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+ ldd_output=`ldd conftest`
+ for i in $deplibs; do
+ case $i in
+ -l*)
+ func_stripname -l '' "$i"
+ name=$func_stripname_result
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $i "*)
+ newdeplibs+=" $i"
+ i=""
+ ;;
+ esac
+ fi
+ if test -n "$i" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+ set dummy $deplib_matches; shift
+ deplib_match=$1
+ if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+ newdeplibs+=" $i"
+ else
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which I believe you do not have"
+ echo "*** because a test_compile did reveal that the linker did not use it for"
+ echo "*** its dynamic dependency list that programs get resolved with at runtime."
+ fi
+ fi
+ ;;
+ *)
+ newdeplibs+=" $i"
+ ;;
+ esac
+ done
+ else
+ # Error occurred in the first compile. Let's try to salvage
+ # the situation: Compile a separate program for each library.
+ for i in $deplibs; do
+ case $i in
+ -l*)
+ func_stripname -l '' "$i"
+ name=$func_stripname_result
+ $opt_dry_run || $RM conftest
+ if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+ ldd_output=`ldd conftest`
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $i "*)
+ newdeplibs+=" $i"
+ i=""
+ ;;
+ esac
+ fi
+ if test -n "$i" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+ set dummy $deplib_matches; shift
+ deplib_match=$1
+ if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+ newdeplibs+=" $i"
+ else
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because a test_compile did reveal that the linker did not use this one"
+ echo "*** as a dynamic dependency that programs can get resolved with at runtime."
+ fi
+ fi
+ else
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning! Library $i is needed by this library but I was not able to"
+ echo "*** make it link in! You will probably need to install it or some"
+ echo "*** library that it depends on before this library will be fully"
+ echo "*** functional. Installing it before continuing would be even better."
+ fi
+ ;;
+ *)
+ newdeplibs+=" $i"
+ ;;
+ esac
+ done
+ fi
+ ;;
+ file_magic*)
+ set dummy $deplibs_check_method; shift
+ file_magic_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+ for a_deplib in $deplibs; do
+ case $a_deplib in
+ -l*)
+ func_stripname -l '' "$a_deplib"
+ name=$func_stripname_result
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $a_deplib "*)
+ newdeplibs+=" $a_deplib"
+ a_deplib=""
+ ;;
+ esac
+ fi
+ if test -n "$a_deplib" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ if test -n "$file_magic_glob"; then
+ libnameglob=`func_echo_all "$libname" | $SED -e $file_magic_glob`
+ else
+ libnameglob=$libname
+ fi
+ test "$want_nocaseglob" = yes && nocaseglob=`shopt -p nocaseglob`
+ for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+ if test "$want_nocaseglob" = yes; then
+ shopt -s nocaseglob
+ potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+ $nocaseglob
+ else
+ potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+ fi
+ for potent_lib in $potential_libs; do
+ # Follow soft links.
+ if ls -lLd "$potent_lib" 2>/dev/null |
+ $GREP " -> " >/dev/null; then
+ continue
+ fi
+ # The statement above tries to avoid entering an
+ # endless loop below, in case of cyclic links.
+ # We might still enter an endless loop, since a link
+ # loop can be closed while we follow links,
+ # but so what?
+ potlib="$potent_lib"
+ while test -h "$potlib" 2>/dev/null; do
+ potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+ case $potliblink in
+ [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
+ *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";;
+ esac
+ done
+ if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
+ $SED -e 10q |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ newdeplibs+=" $a_deplib"
+ a_deplib=""
+ break 2
+ fi
+ done
+ done
+ fi
+ if test -n "$a_deplib" ; then
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because I did check the linker path looking for a file starting"
+ if test -z "$potlib" ; then
+ $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
+ else
+ $ECHO "*** with $libname and none of the candidates passed a file format test"
+ $ECHO "*** using a file magic. Last file checked: $potlib"
+ fi
+ fi
+ ;;
+ *)
+ # Add a -L argument.
+ newdeplibs+=" $a_deplib"
+ ;;
+ esac
+ done # Gone through all deplibs.
+ ;;
+ match_pattern*)
+ set dummy $deplibs_check_method; shift
+ match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+ for a_deplib in $deplibs; do
+ case $a_deplib in
+ -l*)
+ func_stripname -l '' "$a_deplib"
+ name=$func_stripname_result
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $a_deplib "*)
+ newdeplibs+=" $a_deplib"
+ a_deplib=""
+ ;;
+ esac
+ fi
+ if test -n "$a_deplib" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+ potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+ for potent_lib in $potential_libs; do
+ potlib="$potent_lib" # see symlink-check above in file_magic test
+ if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \
+ $EGREP "$match_pattern_regex" > /dev/null; then
+ newdeplibs+=" $a_deplib"
+ a_deplib=""
+ break 2
+ fi
+ done
+ done
+ fi
+ if test -n "$a_deplib" ; then
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because I did check the linker path looking for a file starting"
+ if test -z "$potlib" ; then
+ $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
+ else
+ $ECHO "*** with $libname and none of the candidates passed a file format test"
+ $ECHO "*** using a regex pattern. Last file checked: $potlib"
+ fi
+ fi
+ ;;
+ *)
+ # Add a -L argument.
+ newdeplibs+=" $a_deplib"
+ ;;
+ esac
+ done # Gone through all deplibs.
+ ;;
+ none | unknown | *)
+ newdeplibs=""
+ tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'`
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ for i in $predeps $postdeps ; do
+ # can't use Xsed below, because $i might contain '/'
+ tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"`
+ done
+ fi
+ case $tmp_deplibs in
+ *[!\ \ ]*)
+ echo
+ if test "X$deplibs_check_method" = "Xnone"; then
+ echo "*** Warning: inter-library dependencies are not supported in this platform."
+ else
+ echo "*** Warning: inter-library dependencies are not known to be supported."
+ fi
+ echo "*** All declared inter-library dependencies are being dropped."
+ droppeddeps=yes
+ ;;
+ esac
+ ;;
+ esac
+ versuffix=$versuffix_save
+ major=$major_save
+ release=$release_save
+ libname=$libname_save
+ name=$name_save
+
+ case $host in
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # On Rhapsody replace the C library with the System framework
+ newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'`
+ ;;
+ esac
+
+ if test "$droppeddeps" = yes; then
+ if test "$module" = yes; then
+ echo
+ echo "*** Warning: libtool could not satisfy all declared inter-library"
+ $ECHO "*** dependencies of module $libname. Therefore, libtool will create"
+ echo "*** a static module, that should work as long as the dlopening"
+ echo "*** application is linked with the -dlopen flag."
+ if test -z "$global_symbol_pipe"; then
+ echo
+ echo "*** However, this would only work if libtool was able to extract symbol"
+ echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+ echo "*** not find such a program. So, this module is probably useless."
+ echo "*** \`nm' from GNU binutils and a full rebuild may help."
+ fi
+ if test "$build_old_libs" = no; then
+ oldlibs="$output_objdir/$libname.$libext"
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ else
+ echo "*** The inter-library dependencies that have been dropped here will be"
+ echo "*** automatically added whenever a program is linked with this library"
+ echo "*** or is declared to -dlopen it."
+
+ if test "$allow_undefined" = no; then
+ echo
+ echo "*** Since this library must not contain undefined symbols,"
+ echo "*** because either the platform does not support them or"
+ echo "*** it was explicitly requested with -no-undefined,"
+ echo "*** libtool will only create a static version of it."
+ if test "$build_old_libs" = no; then
+ oldlibs="$output_objdir/$libname.$libext"
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ fi
+ fi
+ fi
+ # Done checking deplibs!
+ deplibs=$newdeplibs
+ fi
+ # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+ case $host in
+ *-*-darwin*)
+ newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ ;;
+ esac
+
+ # move library search paths that coincide with paths to not yet
+ # installed libraries to the beginning of the library search list
+ new_libs=
+ for path in $notinst_path; do
+ case " $new_libs " in
+ *" -L$path/$objdir "*) ;;
+ *)
+ case " $deplibs " in
+ *" -L$path/$objdir "*)
+ new_libs+=" -L$path/$objdir" ;;
+ esac
+ ;;
+ esac
+ done
+ for deplib in $deplibs; do
+ case $deplib in
+ -L*)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) new_libs+=" $deplib" ;;
+ esac
+ ;;
+ *) new_libs+=" $deplib" ;;
+ esac
+ done
+ deplibs="$new_libs"
+
+ # All the library-specific variables (install_libdir is set above).
+ library_names=
+ old_library=
+ dlname=
+
+ # Test again, we may have decided not to build it any more
+ if test "$build_libtool_libs" = yes; then
+ # Remove ${wl} instances when linking with ld.
+ # FIXME: should test the right _cmds variable.
+ case $archive_cmds in
+ *\$LD\ *) wl= ;;
+ esac
+ if test "$hardcode_into_libs" = yes; then
+ # Hardcode the library paths
+ hardcode_libdirs=
+ dep_rpath=
+ rpath="$finalize_rpath"
+ test "$opt_mode" != relink && rpath="$compile_rpath$rpath"
+ for libdir in $rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ func_replace_sysroot "$libdir"
+ libdir=$func_replace_sysroot_result
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ hardcode_libdirs+="$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ dep_rpath+=" $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$perm_rpath " in
+ *" $libdir "*) ;;
+ *) perm_rpath+=" $libdir" ;;
+ esac
+ fi
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
+ fi
+ if test -n "$runpath_var" && test -n "$perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $perm_rpath; do
+ rpath+="$dir:"
+ done
+ eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+ fi
+ test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+ fi
+
+ shlibpath="$finalize_shlibpath"
+ test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+ if test -n "$shlibpath"; then
+ eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+ fi
+
+ # Get the real and link names of the library.
+ eval shared_ext=\"$shrext_cmds\"
+ eval library_names=\"$library_names_spec\"
+ set dummy $library_names
+ shift
+ realname="$1"
+ shift
+
+ if test -n "$soname_spec"; then
+ eval soname=\"$soname_spec\"
+ else
+ soname="$realname"
+ fi
+ if test -z "$dlname"; then
+ dlname=$soname
+ fi
+
+ lib="$output_objdir/$realname"
+ linknames=
+ for link
+ do
+ linknames+=" $link"
+ done
+
+ # Use standard objects if they are pic
+ test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ test "X$libobjs" = "X " && libobjs=
+
+ delfiles=
+ if test -n "$export_symbols" && test -n "$include_expsyms"; then
+ $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
+ export_symbols="$output_objdir/$libname.uexp"
+ delfiles+=" $export_symbols"
+ fi
+
+ orig_export_symbols=
+ case $host_os in
+ cygwin* | mingw* | cegcc*)
+ if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
+ # exporting using user supplied symfile
+ if test "x`$SED 1q $export_symbols`" != xEXPORTS; then
+ # and it's NOT already a .def file. Must figure out
+ # which of the given symbols are data symbols and tag
+ # them as such. So, trigger use of export_symbols_cmds.
+ # export_symbols gets reassigned inside the "prepare
+ # the list of exported symbols" if statement, so the
+ # include_expsyms logic still works.
+ orig_export_symbols="$export_symbols"
+ export_symbols=
+ always_export_symbols=yes
+ fi
+ fi
+ ;;
+ esac
+
+ # Prepare the list of exported symbols
+ if test -z "$export_symbols"; then
+ if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
+ func_verbose "generating symbol list for \`$libname.la'"
+ export_symbols="$output_objdir/$libname.exp"
+ $opt_dry_run || $RM $export_symbols
+ cmds=$export_symbols_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd1 in $cmds; do
+ IFS="$save_ifs"
+ # Take the normal branch if the nm_file_list_spec branch
+ # doesn't work or if tool conversion is not needed.
+ case $nm_file_list_spec~$to_tool_file_cmd in
+ *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*)
+ try_normal_branch=yes
+ eval cmd=\"$cmd1\"
+ func_len " $cmd"
+ len=$func_len_result
+ ;;
+ *)
+ try_normal_branch=no
+ ;;
+ esac
+ if test "$try_normal_branch" = yes \
+ && { test "$len" -lt "$max_cmd_len" \
+ || test "$max_cmd_len" -le -1; }
+ then
+ func_show_eval "$cmd" 'exit $?'
+ skipped_export=false
+ elif test -n "$nm_file_list_spec"; then
+ func_basename "$output"
+ output_la=$func_basename_result
+ save_libobjs=$libobjs
+ save_output=$output
+ output=${output_objdir}/${output_la}.nm
+ func_to_tool_file "$output"
+ libobjs=$nm_file_list_spec$func_to_tool_file_result
+ delfiles+=" $output"
+ func_verbose "creating $NM input file list: $output"
+ for obj in $save_libobjs; do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result"
+ done > "$output"
+ eval cmd=\"$cmd1\"
+ func_show_eval "$cmd" 'exit $?'
+ output=$save_output
+ libobjs=$save_libobjs
+ skipped_export=false
+ else
+ # The command line is too long to execute in one step.
+ func_verbose "using reloadable object file for export list..."
+ skipped_export=:
+ # Break out early, otherwise skipped_export may be
+ # set to false by a later but shorter cmd.
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then
+ func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+ func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+ fi
+ fi
+ fi
+
+ if test -n "$export_symbols" && test -n "$include_expsyms"; then
+ tmp_export_symbols="$export_symbols"
+ test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+ $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+ fi
+
+ if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then
+ # The given exports_symbols file has to be filtered, so filter it.
+ func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+ # FIXME: $output_objdir/$libname.filter potentially contains lots of
+ # 's' commands which not all seds can handle. GNU sed should be fine
+ # though. Also, the filter scales superlinearly with the number of
+ # global variables. join(1) would be nice here, but unfortunately
+ # isn't a blessed tool.
+ $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+ delfiles+=" $export_symbols $output_objdir/$libname.filter"
+ export_symbols=$output_objdir/$libname.def
+ $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+ fi
+
+ tmp_deplibs=
+ for test_deplib in $deplibs; do
+ case " $convenience " in
+ *" $test_deplib "*) ;;
+ *)
+ tmp_deplibs+=" $test_deplib"
+ ;;
+ esac
+ done
+ deplibs="$tmp_deplibs"
+
+ if test -n "$convenience"; then
+ if test -n "$whole_archive_flag_spec" &&
+ test "$compiler_needs_object" = yes &&
+ test -z "$libobjs"; then
+ # extract the archives, so we have objects to list.
+ # TODO: could optimize this to just extract one archive.
+ whole_archive_flag_spec=
+ fi
+ if test -n "$whole_archive_flag_spec"; then
+ save_libobjs=$libobjs
+ eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+ test "X$libobjs" = "X " && libobjs=
+ else
+ gentop="$output_objdir/${outputname}x"
+ generated+=" $gentop"
+
+ func_extract_archives $gentop $convenience
+ libobjs+=" $func_extract_archives_result"
+ test "X$libobjs" = "X " && libobjs=
+ fi
+ fi
+
+ if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+ eval flag=\"$thread_safe_flag_spec\"
+ linker_flags+=" $flag"
+ fi
+
+ # Make a backup of the uninstalled library when relinking
+ if test "$opt_mode" = relink; then
+ $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
+ fi
+
+ # Do each of the archive commands.
+ if test "$module" = yes && test -n "$module_cmds" ; then
+ if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+ eval test_cmds=\"$module_expsym_cmds\"
+ cmds=$module_expsym_cmds
+ else
+ eval test_cmds=\"$module_cmds\"
+ cmds=$module_cmds
+ fi
+ else
+ if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+ eval test_cmds=\"$archive_expsym_cmds\"
+ cmds=$archive_expsym_cmds
+ else
+ eval test_cmds=\"$archive_cmds\"
+ cmds=$archive_cmds
+ fi
+ fi
+
+ if test "X$skipped_export" != "X:" &&
+ func_len " $test_cmds" &&
+ len=$func_len_result &&
+ test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+ :
+ else
+ # The command line is too long to link in one step, link piecewise
+ # or, if using GNU ld and skipped_export is not :, use a linker
+ # script.
+
+ # Save the value of $output and $libobjs because we want to
+ # use them later. If we have whole_archive_flag_spec, we
+ # want to use save_libobjs as it was before
+ # whole_archive_flag_spec was expanded, because we can't
+ # assume the linker understands whole_archive_flag_spec.
+ # This may have to be revisited, in case too many
+ # convenience libraries get linked in and end up exceeding
+ # the spec.
+ if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+ save_libobjs=$libobjs
+ fi
+ save_output=$output
+ func_basename "$output"
+ output_la=$func_basename_result
+
+ # Clear the reloadable object creation command queue and
+ # initialize k to one.
+ test_cmds=
+ concat_cmds=
+ objlist=
+ last_robj=
+ k=1
+
+ if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then
+ output=${output_objdir}/${output_la}.lnkscript
+ func_verbose "creating GNU ld script: $output"
+ echo 'INPUT (' > $output
+ for obj in $save_libobjs
+ do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result" >> $output
+ done
+ echo ')' >> $output
+ delfiles+=" $output"
+ func_to_tool_file "$output"
+ output=$func_to_tool_file_result
+ elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then
+ output=${output_objdir}/${output_la}.lnk
+ func_verbose "creating linker input file list: $output"
+ : > $output
+ set x $save_libobjs
+ shift
+ firstobj=
+ if test "$compiler_needs_object" = yes; then
+ firstobj="$1 "
+ shift
+ fi
+ for obj
+ do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result" >> $output
+ done
+ delfiles+=" $output"
+ func_to_tool_file "$output"
+ output=$firstobj\"$file_list_spec$func_to_tool_file_result\"
+ else
+ if test -n "$save_libobjs"; then
+ func_verbose "creating reloadable object files..."
+ output=$output_objdir/$output_la-${k}.$objext
+ eval test_cmds=\"$reload_cmds\"
+ func_len " $test_cmds"
+ len0=$func_len_result
+ len=$len0
+
+ # Loop over the list of objects to be linked.
+ for obj in $save_libobjs
+ do
+ func_len " $obj"
+ func_arith $len + $func_len_result
+ len=$func_arith_result
+ if test "X$objlist" = X ||
+ test "$len" -lt "$max_cmd_len"; then
+ objlist+=" $obj"
+ else
+ # The command $test_cmds is almost too long, add a
+ # command to the queue.
+ if test "$k" -eq 1 ; then
+ # The first file doesn't have a previous command to add.
+ reload_objs=$objlist
+ eval concat_cmds=\"$reload_cmds\"
+ else
+ # All subsequent reloadable object files will link in
+ # the last one created.
+ reload_objs="$objlist $last_robj"
+ eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\"
+ fi
+ last_robj=$output_objdir/$output_la-${k}.$objext
+ func_arith $k + 1
+ k=$func_arith_result
+ output=$output_objdir/$output_la-${k}.$objext
+ objlist=" $obj"
+ func_len " $last_robj"
+ func_arith $len0 + $func_len_result
+ len=$func_arith_result
+ fi
+ done
+ # Handle the remaining objects by creating one last
+ # reloadable object file. All subsequent reloadable object
+ # files will link in the last one created.
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ reload_objs="$objlist $last_robj"
+ eval concat_cmds=\"\${concat_cmds}$reload_cmds\"
+ if test -n "$last_robj"; then
+ eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\"
+ fi
+ delfiles+=" $output"
+
+ else
+ output=
+ fi
+
+ if ${skipped_export-false}; then
+ func_verbose "generating symbol list for \`$libname.la'"
+ export_symbols="$output_objdir/$libname.exp"
+ $opt_dry_run || $RM $export_symbols
+ libobjs=$output
+ # Append the command to create the export file.
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
+ if test -n "$last_robj"; then
+ eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
+ fi
+ fi
+
+ test -n "$save_libobjs" &&
+ func_verbose "creating a temporary reloadable object file: $output"
+
+ # Loop through the commands generated above and execute them.
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $concat_cmds; do
+ IFS="$save_ifs"
+ $opt_silent || {
+ func_quote_for_expand "$cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+ $opt_dry_run || eval "$cmd" || {
+ lt_exit=$?
+
+ # Restore the uninstalled library and exit
+ if test "$opt_mode" = relink; then
+ ( cd "$output_objdir" && \
+ $RM "${realname}T" && \
+ $MV "${realname}U" "$realname" )
+ fi
+
+ exit $lt_exit
+ }
+ done
+ IFS="$save_ifs"
+
+ if test -n "$export_symbols_regex" && ${skipped_export-false}; then
+ func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+ func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+ fi
+ fi
+
+ if ${skipped_export-false}; then
+ if test -n "$export_symbols" && test -n "$include_expsyms"; then
+ tmp_export_symbols="$export_symbols"
+ test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+ $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+ fi
+
+ if test -n "$orig_export_symbols"; then
+ # The given exports_symbols file has to be filtered, so filter it.
+ func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+ # FIXME: $output_objdir/$libname.filter potentially contains lots of
+ # 's' commands which not all seds can handle. GNU sed should be fine
+ # though. Also, the filter scales superlinearly with the number of
+ # global variables. join(1) would be nice here, but unfortunately
+ # isn't a blessed tool.
+ $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+ delfiles+=" $export_symbols $output_objdir/$libname.filter"
+ export_symbols=$output_objdir/$libname.def
+ $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+ fi
+ fi
+
+ libobjs=$output
+ # Restore the value of output.
+ output=$save_output
+
+ if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+ eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+ test "X$libobjs" = "X " && libobjs=
+ fi
+ # Expand the library linking commands again to reset the
+ # value of $libobjs for piecewise linking.
+
+ # Do each of the archive commands.
+ if test "$module" = yes && test -n "$module_cmds" ; then
+ if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+ cmds=$module_expsym_cmds
+ else
+ cmds=$module_cmds
+ fi
+ else
+ if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+ cmds=$archive_expsym_cmds
+ else
+ cmds=$archive_cmds
+ fi
+ fi
+ fi
+
+ if test -n "$delfiles"; then
+ # Append the command to remove temporary files to $cmds.
+ eval cmds=\"\$cmds~\$RM $delfiles\"
+ fi
+
+ # Add any objects from preloaded convenience libraries
+ if test -n "$dlprefiles"; then
+ gentop="$output_objdir/${outputname}x"
+ generated+=" $gentop"
+
+ func_extract_archives $gentop $dlprefiles
+ libobjs+=" $func_extract_archives_result"
+ test "X$libobjs" = "X " && libobjs=
+ fi
+
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $opt_silent || {
+ func_quote_for_expand "$cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+ $opt_dry_run || eval "$cmd" || {
+ lt_exit=$?
+
+ # Restore the uninstalled library and exit
+ if test "$opt_mode" = relink; then
+ ( cd "$output_objdir" && \
+ $RM "${realname}T" && \
+ $MV "${realname}U" "$realname" )
+ fi
+
+ exit $lt_exit
+ }
+ done
+ IFS="$save_ifs"
+
+ # Restore the uninstalled library and exit
+ if test "$opt_mode" = relink; then
+ $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
+
+ if test -n "$convenience"; then
+ if test -z "$whole_archive_flag_spec"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ # Create links to the real library.
+ for linkname in $linknames; do
+ if test "$realname" != "$linkname"; then
+ func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
+ fi
+ done
+
+ # If -module or -export-dynamic was specified, set the dlname.
+ if test "$module" = yes || test "$export_dynamic" = yes; then
+ # On all known operating systems, these are identical.
+ dlname="$soname"
+ fi
+ fi
+ ;;
+
+ obj)
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ func_warning "\`-dlopen' is ignored for objects"
+ fi
+
+ case " $deplibs" in
+ *\ -l* | *\ -L*)
+ func_warning "\`-l' and \`-L' are ignored for objects" ;;
+ esac
+
+ test -n "$rpath" && \
+ func_warning "\`-rpath' is ignored for objects"
+
+ test -n "$xrpath" && \
+ func_warning "\`-R' is ignored for objects"
+
+ test -n "$vinfo" && \
+ func_warning "\`-version-info' is ignored for objects"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for objects"
+
+ case $output in
+ *.lo)
+ test -n "$objs$old_deplibs" && \
+ func_fatal_error "cannot build library object \`$output' from non-libtool objects"
+
+ libobj=$output
+ func_lo2o "$libobj"
+ obj=$func_lo2o_result
+ ;;
+ *)
+ libobj=
+ obj="$output"
+ ;;
+ esac
+
+ # Delete the old objects.
+ $opt_dry_run || $RM $obj $libobj
+
+ # Objects from convenience libraries. This assumes
+ # single-version convenience libraries. Whenever we create
+ # different ones for PIC/non-PIC, this we'll have to duplicate
+ # the extraction.
+ reload_conv_objs=
+ gentop=
+ # reload_cmds runs $LD directly, so let us get rid of
+ # -Wl from whole_archive_flag_spec and hope we can get by with
+ # turning comma into space..
+ wl=
+
+ if test -n "$convenience"; then
+ if test -n "$whole_archive_flag_spec"; then
+ eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+ reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
+ else
+ gentop="$output_objdir/${obj}x"
+ generated+=" $gentop"
+
+ func_extract_archives $gentop $convenience
+ reload_conv_objs="$reload_objs $func_extract_archives_result"
+ fi
+ fi
+
+ # If we're not building shared, we need to use non_pic_objs
+ test "$build_libtool_libs" != yes && libobjs="$non_pic_objects"
+
+ # Create the old-style object.
+ reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+
+ output="$obj"
+ func_execute_cmds "$reload_cmds" 'exit $?'
+
+ # Exit if we aren't doing a library object file.
+ if test -z "$libobj"; then
+ if test -n "$gentop"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ if test "$build_libtool_libs" != yes; then
+ if test -n "$gentop"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+
+ # Create an invalid libtool object if no PIC, so that we don't
+ # accidentally link it into a program.
+ # $show "echo timestamp > $libobj"
+ # $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
+ exit $EXIT_SUCCESS
+ fi
+
+ if test -n "$pic_flag" || test "$pic_mode" != default; then
+ # Only do commands if we really have different PIC objects.
+ reload_objs="$libobjs $reload_conv_objs"
+ output="$libobj"
+ func_execute_cmds "$reload_cmds" 'exit $?'
+ fi
+
+ if test -n "$gentop"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+
+ exit $EXIT_SUCCESS
+ ;;
+
+ prog)
+ case $host in
+ *cygwin*) func_stripname '' '.exe' "$output"
+ output=$func_stripname_result.exe;;
+ esac
+ test -n "$vinfo" && \
+ func_warning "\`-version-info' is ignored for programs"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for programs"
+
+ test "$preload" = yes \
+ && test "$dlopen_support" = unknown \
+ && test "$dlopen_self" = unknown \
+ && test "$dlopen_self_static" = unknown && \
+ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support."
+
+ case $host in
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # On Rhapsody replace the C library is the System framework
+ compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'`
+ finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'`
+ ;;
+ esac
+
+ case $host in
+ *-*-darwin*)
+ # Don't allow lazy linking, it breaks C++ global constructors
+ # But is supposedly fixed on 10.4 or later (yay!).
+ if test "$tagname" = CXX ; then
+ case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
+ 10.[0123])
+ compile_command+=" ${wl}-bind_at_load"
+ finalize_command+=" ${wl}-bind_at_load"
+ ;;
+ esac
+ fi
+ # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+ compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ ;;
+ esac
+
+
+ # move library search paths that coincide with paths to not yet
+ # installed libraries to the beginning of the library search list
+ new_libs=
+ for path in $notinst_path; do
+ case " $new_libs " in
+ *" -L$path/$objdir "*) ;;
+ *)
+ case " $compile_deplibs " in
+ *" -L$path/$objdir "*)
+ new_libs+=" -L$path/$objdir" ;;
+ esac
+ ;;
+ esac
+ done
+ for deplib in $compile_deplibs; do
+ case $deplib in
+ -L*)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) new_libs+=" $deplib" ;;
+ esac
+ ;;
+ *) new_libs+=" $deplib" ;;
+ esac
+ done
+ compile_deplibs="$new_libs"
+
+
+ compile_command+=" $compile_deplibs"
+ finalize_command+=" $finalize_deplibs"
+
+ if test -n "$rpath$xrpath"; then
+ # If the user specified any rpath flags, then add them.
+ for libdir in $rpath $xrpath; do
+ # This is the magic to use -rpath.
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_rpath+=" $libdir" ;;
+ esac
+ done
+ fi
+
+ # Now hardcode the library paths
+ rpath=
+ hardcode_libdirs=
+ for libdir in $compile_rpath $finalize_rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ hardcode_libdirs+="$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ rpath+=" $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$perm_rpath " in
+ *" $libdir "*) ;;
+ *) perm_rpath+=" $libdir" ;;
+ esac
+ fi
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+ testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'`
+ case :$dllsearchpath: in
+ *":$libdir:"*) ;;
+ ::) dllsearchpath=$libdir;;
+ *) dllsearchpath+=":$libdir";;
+ esac
+ case :$dllsearchpath: in
+ *":$testbindir:"*) ;;
+ ::) dllsearchpath=$testbindir;;
+ *) dllsearchpath+=":$testbindir";;
+ esac
+ ;;
+ esac
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval rpath=\" $hardcode_libdir_flag_spec\"
+ fi
+ compile_rpath="$rpath"
+
+ rpath=
+ hardcode_libdirs=
+ for libdir in $finalize_rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ hardcode_libdirs+="$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ rpath+=" $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$finalize_perm_rpath " in
+ *" $libdir "*) ;;
+ *) finalize_perm_rpath+=" $libdir" ;;
+ esac
+ fi
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval rpath=\" $hardcode_libdir_flag_spec\"
+ fi
+ finalize_rpath="$rpath"
+
+ if test -n "$libobjs" && test "$build_old_libs" = yes; then
+ # Transform all the library objects into standard objects.
+ compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ fi
+
+ func_generate_dlsyms "$outputname" "@PROGRAM@" "no"
+
+ # template prelinking step
+ if test -n "$prelink_cmds"; then
+ func_execute_cmds "$prelink_cmds" 'exit $?'
+ fi
+
+ wrappers_required=yes
+ case $host in
+ *cegcc* | *mingw32ce*)
+ # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway.
+ wrappers_required=no
+ ;;
+ *cygwin* | *mingw* )
+ if test "$build_libtool_libs" != yes; then
+ wrappers_required=no
+ fi
+ ;;
+ *)
+ if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
+ wrappers_required=no
+ fi
+ ;;
+ esac
+ if test "$wrappers_required" = no; then
+ # Replace the output file specification.
+ compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+ link_command="$compile_command$compile_rpath"
+
+ # We have no uninstalled library dependencies, so finalize right now.
+ exit_status=0
+ func_show_eval "$link_command" 'exit_status=$?'
+
+ if test -n "$postlink_cmds"; then
+ func_to_tool_file "$output"
+ postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+ func_execute_cmds "$postlink_cmds" 'exit $?'
+ fi
+
+ # Delete the generated files.
+ if test -f "$output_objdir/${outputname}S.${objext}"; then
+ func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"'
+ fi
+
+ exit $exit_status
+ fi
+
+ if test -n "$compile_shlibpath$finalize_shlibpath"; then
+ compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+ fi
+ if test -n "$finalize_shlibpath"; then
+ finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+ fi
+
+ compile_var=
+ finalize_var=
+ if test -n "$runpath_var"; then
+ if test -n "$perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $perm_rpath; do
+ rpath+="$dir:"
+ done
+ compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+ fi
+ if test -n "$finalize_perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $finalize_perm_rpath; do
+ rpath+="$dir:"
+ done
+ finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+ fi
+ fi
+
+ if test "$no_install" = yes; then
+ # We don't need to create a wrapper script.
+ link_command="$compile_var$compile_command$compile_rpath"
+ # Replace the output file specification.
+ link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+ # Delete the old output file.
+ $opt_dry_run || $RM $output
+ # Link the executable and exit
+ func_show_eval "$link_command" 'exit $?'
+
+ if test -n "$postlink_cmds"; then
+ func_to_tool_file "$output"
+ postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+ func_execute_cmds "$postlink_cmds" 'exit $?'
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ if test "$hardcode_action" = relink; then
+ # Fast installation is not supported
+ link_command="$compile_var$compile_command$compile_rpath"
+ relink_command="$finalize_var$finalize_command$finalize_rpath"
+
+ func_warning "this platform does not like uninstalled shared libraries"
+ func_warning "\`$output' will be relinked during installation"
+ else
+ if test "$fast_install" != no; then
+ link_command="$finalize_var$compile_command$finalize_rpath"
+ if test "$fast_install" = yes; then
+ relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
+ else
+ # fast_install is set to needless
+ relink_command=
+ fi
+ else
+ link_command="$compile_var$compile_command$compile_rpath"
+ relink_command="$finalize_var$finalize_command$finalize_rpath"
+ fi
+ fi
+
+ # Replace the output file specification.
+ link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+ # Delete the old output files.
+ $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+ func_show_eval "$link_command" 'exit $?'
+
+ if test -n "$postlink_cmds"; then
+ func_to_tool_file "$output_objdir/$outputname"
+ postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+ func_execute_cmds "$postlink_cmds" 'exit $?'
+ fi
+
+ # Now create the wrapper script.
+ func_verbose "creating $output"
+
+ # Quote the relink command for shipping.
+ if test -n "$relink_command"; then
+ # Preserve any variables that may affect compiler behavior
+ for var in $variables_saved_for_relink; do
+ if eval test -z \"\${$var+set}\"; then
+ relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+ elif eval var_value=\$$var; test -z "$var_value"; then
+ relink_command="$var=; export $var; $relink_command"
+ else
+ func_quote_for_eval "$var_value"
+ relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+ fi
+ done
+ relink_command="(cd `pwd`; $relink_command)"
+ relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+ fi
+
+ # Only actually do things if not in dry run mode.
+ $opt_dry_run || {
+ # win32 will think the script is a binary if it has
+ # a .exe suffix, so we strip it off here.
+ case $output in
+ *.exe) func_stripname '' '.exe' "$output"
+ output=$func_stripname_result ;;
+ esac
+ # test for cygwin because mv fails w/o .exe extensions
+ case $host in
+ *cygwin*)
+ exeext=.exe
+ func_stripname '' '.exe' "$outputname"
+ outputname=$func_stripname_result ;;
+ *) exeext= ;;
+ esac
+ case $host in
+ *cygwin* | *mingw* )
+ func_dirname_and_basename "$output" "" "."
+ output_name=$func_basename_result
+ output_path=$func_dirname_result
+ cwrappersource="$output_path/$objdir/lt-$output_name.c"
+ cwrapper="$output_path/$output_name.exe"
+ $RM $cwrappersource $cwrapper
+ trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+ func_emit_cwrapperexe_src > $cwrappersource
+
+ # The wrapper executable is built using the $host compiler,
+ # because it contains $host paths and files. If cross-
+ # compiling, it, like the target executable, must be
+ # executed on the $host or under an emulation environment.
+ $opt_dry_run || {
+ $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
+ $STRIP $cwrapper
+ }
+
+ # Now, create the wrapper script for func_source use:
+ func_ltwrapper_scriptname $cwrapper
+ $RM $func_ltwrapper_scriptname_result
+ trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
+ $opt_dry_run || {
+ # note: this script will not be executed, so do not chmod.
+ if test "x$build" = "x$host" ; then
+ $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
+ else
+ func_emit_wrapper no > $func_ltwrapper_scriptname_result
+ fi
+ }
+ ;;
+ * )
+ $RM $output
+ trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
+
+ func_emit_wrapper no > $output
+ chmod +x $output
+ ;;
+ esac
+ }
+ exit $EXIT_SUCCESS
+ ;;
+ esac
+
+ # See if we need to build an old-fashioned archive.
+ for oldlib in $oldlibs; do
+
+ if test "$build_libtool_libs" = convenience; then
+ oldobjs="$libobjs_save $symfileobj"
+ addlibs="$convenience"
+ build_libtool_libs=no
+ else
+ if test "$build_libtool_libs" = module; then
+ oldobjs="$libobjs_save"
+ build_libtool_libs=no
+ else
+ oldobjs="$old_deplibs $non_pic_objects"
+ if test "$preload" = yes && test -f "$symfileobj"; then
+ oldobjs+=" $symfileobj"
+ fi
+ fi
+ addlibs="$old_convenience"
+ fi
+
+ if test -n "$addlibs"; then
+ gentop="$output_objdir/${outputname}x"
+ generated+=" $gentop"
+
+ func_extract_archives $gentop $addlibs
+ oldobjs+=" $func_extract_archives_result"
+ fi
+
+ # Do each command in the archive commands.
+ if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+ cmds=$old_archive_from_new_cmds
+ else
+
+ # Add any objects from preloaded convenience libraries
+ if test -n "$dlprefiles"; then
+ gentop="$output_objdir/${outputname}x"
+ generated+=" $gentop"
+
+ func_extract_archives $gentop $dlprefiles
+ oldobjs+=" $func_extract_archives_result"
+ fi
+
+ # POSIX demands no paths to be encoded in archives. We have
+ # to avoid creating archives with duplicate basenames if we
+ # might have to extract them afterwards, e.g., when creating a
+ # static archive out of a convenience library, or when linking
+ # the entirety of a libtool archive into another (currently
+ # not supported by libtool).
+ if (for obj in $oldobjs
+ do
+ func_basename "$obj"
+ $ECHO "$func_basename_result"
+ done | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ echo "copying selected object files to avoid basename conflicts..."
+ gentop="$output_objdir/${outputname}x"
+ generated+=" $gentop"
+ func_mkdir_p "$gentop"
+ save_oldobjs=$oldobjs
+ oldobjs=
+ counter=1
+ for obj in $save_oldobjs
+ do
+ func_basename "$obj"
+ objbase="$func_basename_result"
+ case " $oldobjs " in
+ " ") oldobjs=$obj ;;
+ *[\ /]"$objbase "*)
+ while :; do
+ # Make sure we don't pick an alternate name that also
+ # overlaps.
+ newobj=lt$counter-$objbase
+ func_arith $counter + 1
+ counter=$func_arith_result
+ case " $oldobjs " in
+ *[\ /]"$newobj "*) ;;
+ *) if test ! -f "$gentop/$newobj"; then break; fi ;;
+ esac
+ done
+ func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+ oldobjs+=" $gentop/$newobj"
+ ;;
+ *) oldobjs+=" $obj" ;;
+ esac
+ done
+ fi
+ func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+ tool_oldlib=$func_to_tool_file_result
+ eval cmds=\"$old_archive_cmds\"
+
+ func_len " $cmds"
+ len=$func_len_result
+ if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+ cmds=$old_archive_cmds
+ elif test -n "$archiver_list_spec"; then
+ func_verbose "using command file archive linking..."
+ for obj in $oldobjs
+ do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result"
+ done > $output_objdir/$libname.libcmd
+ func_to_tool_file "$output_objdir/$libname.libcmd"
+ oldobjs=" $archiver_list_spec$func_to_tool_file_result"
+ cmds=$old_archive_cmds
+ else
+ # the command line is too long to link in one step, link in parts
+ func_verbose "using piecewise archive linking..."
+ save_RANLIB=$RANLIB
+ RANLIB=:
+ objlist=
+ concat_cmds=
+ save_oldobjs=$oldobjs
+ oldobjs=
+ # Is there a better way of finding the last object in the list?
+ for obj in $save_oldobjs
+ do
+ last_oldobj=$obj
+ done
+ eval test_cmds=\"$old_archive_cmds\"
+ func_len " $test_cmds"
+ len0=$func_len_result
+ len=$len0
+ for obj in $save_oldobjs
+ do
+ func_len " $obj"
+ func_arith $len + $func_len_result
+ len=$func_arith_result
+ objlist+=" $obj"
+ if test "$len" -lt "$max_cmd_len"; then
+ :
+ else
+ # the above command should be used before it gets too long
+ oldobjs=$objlist
+ if test "$obj" = "$last_oldobj" ; then
+ RANLIB=$save_RANLIB
+ fi
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+ objlist=
+ len=$len0
+ fi
+ done
+ RANLIB=$save_RANLIB
+ oldobjs=$objlist
+ if test "X$oldobjs" = "X" ; then
+ eval cmds=\"\$concat_cmds\"
+ else
+ eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+ fi
+ fi
+ fi
+ func_execute_cmds "$cmds" 'exit $?'
+ done
+
+ test -n "$generated" && \
+ func_show_eval "${RM}r$generated"
+
+ # Now create the libtool archive.
+ case $output in
+ *.la)
+ old_library=
+ test "$build_old_libs" = yes && old_library="$libname.$libext"
+ func_verbose "creating $output"
+
+ # Preserve any variables that may affect compiler behavior
+ for var in $variables_saved_for_relink; do
+ if eval test -z \"\${$var+set}\"; then
+ relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+ elif eval var_value=\$$var; test -z "$var_value"; then
+ relink_command="$var=; export $var; $relink_command"
+ else
+ func_quote_for_eval "$var_value"
+ relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+ fi
+ done
+ # Quote the link command for shipping.
+ relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+ relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+ if test "$hardcode_automatic" = yes ; then
+ relink_command=
+ fi
+
+ # Only create the output if not a dry run.
+ $opt_dry_run || {
+ for installed in no yes; do
+ if test "$installed" = yes; then
+ if test -z "$install_libdir"; then
+ break
+ fi
+ output="$output_objdir/$outputname"i
+ # Replace all uninstalled libtool libraries with the installed ones
+ newdependency_libs=
+ for deplib in $dependency_libs; do
+ case $deplib in
+ *.la)
+ func_basename "$deplib"
+ name="$func_basename_result"
+ func_resolve_sysroot "$deplib"
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
+ test -z "$libdir" && \
+ func_fatal_error "\`$deplib' is not a valid libtool archive"
+ newdependency_libs+=" ${lt_sysroot:+=}$libdir/$name"
+ ;;
+ -L*)
+ func_stripname -L '' "$deplib"
+ func_replace_sysroot "$func_stripname_result"
+ newdependency_libs+=" -L$func_replace_sysroot_result"
+ ;;
+ -R*)
+ func_stripname -R '' "$deplib"
+ func_replace_sysroot "$func_stripname_result"
+ newdependency_libs+=" -R$func_replace_sysroot_result"
+ ;;
+ *) newdependency_libs+=" $deplib" ;;
+ esac
+ done
+ dependency_libs="$newdependency_libs"
+ newdlfiles=
+
+ for lib in $dlfiles; do
+ case $lib in
+ *.la)
+ func_basename "$lib"
+ name="$func_basename_result"
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+ test -z "$libdir" && \
+ func_fatal_error "\`$lib' is not a valid libtool archive"
+ newdlfiles+=" ${lt_sysroot:+=}$libdir/$name"
+ ;;
+ *) newdlfiles+=" $lib" ;;
+ esac
+ done
+ dlfiles="$newdlfiles"
+ newdlprefiles=
+ for lib in $dlprefiles; do
+ case $lib in
+ *.la)
+ # Only pass preopened files to the pseudo-archive (for
+ # eventual linking with the app. that links it) if we
+ # didn't already link the preopened objects directly into
+ # the library:
+ func_basename "$lib"
+ name="$func_basename_result"
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+ test -z "$libdir" && \
+ func_fatal_error "\`$lib' is not a valid libtool archive"
+ newdlprefiles+=" ${lt_sysroot:+=}$libdir/$name"
+ ;;
+ esac
+ done
+ dlprefiles="$newdlprefiles"
+ else
+ newdlfiles=
+ for lib in $dlfiles; do
+ case $lib in
+ [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+ *) abs=`pwd`"/$lib" ;;
+ esac
+ newdlfiles+=" $abs"
+ done
+ dlfiles="$newdlfiles"
+ newdlprefiles=
+ for lib in $dlprefiles; do
+ case $lib in
+ [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+ *) abs=`pwd`"/$lib" ;;
+ esac
+ newdlprefiles+=" $abs"
+ done
+ dlprefiles="$newdlprefiles"
+ fi
+ $RM $output
+ # place dlname in correct position for cygwin
+ # In fact, it would be nice if we could use this code for all target
+ # systems that can't hard-code library paths into their executables
+ # and that have no shared library path variable independent of PATH,
+ # but it turns out we can't easily determine that from inspecting
+ # libtool variables, so we have to hard-code the OSs to which it
+ # applies here; at the moment, that means platforms that use the PE
+ # object format with DLL files. See the long comment at the top of
+ # tests/bindir.at for full details.
+ tdlname=$dlname
+ case $host,$output,$installed,$module,$dlname in
+ *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll)
+ # If a -bindir argument was supplied, place the dll there.
+ if test "x$bindir" != x ;
+ then
+ func_relative_path "$install_libdir" "$bindir"
+ tdlname=$func_relative_path_result$dlname
+ else
+ # Otherwise fall back on heuristic.
+ tdlname=../bin/$dlname
+ fi
+ ;;
+ esac
+ $ECHO > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags='$new_inherited_linker_flags'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Names of additional weak libraries provided by this library
+weak_library_names='$weak_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+ if test "$installed" = no && test "$need_relink" = yes; then
+ $ECHO >> $output "\
+relink_command=\"$relink_command\""
+ fi
+ done
+ }
+
+ # Do a symbolic link so that the libtool archive can be found in
+ # LD_LIBRARY_PATH before the program is installed.
+ func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?'
+ ;;
+ esac
+ exit $EXIT_SUCCESS
+}
+
+{ test "$opt_mode" = link || test "$opt_mode" = relink; } &&
+ func_mode_link ${1+"$@"}
+
+
+# func_mode_uninstall arg...
+func_mode_uninstall ()
+{
+ $opt_debug
+ RM="$nonopt"
+ files=
+ rmforce=
+ exit_status=0
+
+ # This variable tells wrapper scripts just to set variables rather
+ # than running their programs.
+ libtool_install_magic="$magic"
+
+ for arg
+ do
+ case $arg in
+ -f) RM+=" $arg"; rmforce=yes ;;
+ -*) RM+=" $arg" ;;
+ *) files+=" $arg" ;;
+ esac
+ done
+
+ test -z "$RM" && \
+ func_fatal_help "you must specify an RM program"
+
+ rmdirs=
+
+ for file in $files; do
+ func_dirname "$file" "" "."
+ dir="$func_dirname_result"
+ if test "X$dir" = X.; then
+ odir="$objdir"
+ else
+ odir="$dir/$objdir"
+ fi
+ func_basename "$file"
+ name="$func_basename_result"
+ test "$opt_mode" = uninstall && odir="$dir"
+
+ # Remember odir for removal later, being careful to avoid duplicates
+ if test "$opt_mode" = clean; then
+ case " $rmdirs " in
+ *" $odir "*) ;;
+ *) rmdirs+=" $odir" ;;
+ esac
+ fi
+
+ # Don't error if the file doesn't exist and rm -f was used.
+ if { test -L "$file"; } >/dev/null 2>&1 ||
+ { test -h "$file"; } >/dev/null 2>&1 ||
+ test -f "$file"; then
+ :
+ elif test -d "$file"; then
+ exit_status=1
+ continue
+ elif test "$rmforce" = yes; then
+ continue
+ fi
+
+ rmfiles="$file"
+
+ case $name in
+ *.la)
+ # Possibly a libtool archive, so verify it.
+ if func_lalib_p "$file"; then
+ func_source $dir/$name
+
+ # Delete the libtool libraries and symlinks.
+ for n in $library_names; do
+ rmfiles+=" $odir/$n"
+ done
+ test -n "$old_library" && rmfiles+=" $odir/$old_library"
+
+ case "$opt_mode" in
+ clean)
+ case " $library_names " in
+ *" $dlname "*) ;;
+ *) test -n "$dlname" && rmfiles+=" $odir/$dlname" ;;
+ esac
+ test -n "$libdir" && rmfiles+=" $odir/$name $odir/${name}i"
+ ;;
+ uninstall)
+ if test -n "$library_names"; then
+ # Do each command in the postuninstall commands.
+ func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+ fi
+
+ if test -n "$old_library"; then
+ # Do each command in the old_postuninstall commands.
+ func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+ fi
+ # FIXME: should reinstall the best remaining shared library.
+ ;;
+ esac
+ fi
+ ;;
+
+ *.lo)
+ # Possibly a libtool object, so verify it.
+ if func_lalib_p "$file"; then
+
+ # Read the .lo file
+ func_source $dir/$name
+
+ # Add PIC object to the list of files to remove.
+ if test -n "$pic_object" &&
+ test "$pic_object" != none; then
+ rmfiles+=" $dir/$pic_object"
+ fi
+
+ # Add non-PIC object to the list of files to remove.
+ if test -n "$non_pic_object" &&
+ test "$non_pic_object" != none; then
+ rmfiles+=" $dir/$non_pic_object"
+ fi
+ fi
+ ;;
+
+ *)
+ if test "$opt_mode" = clean ; then
+ noexename=$name
+ case $file in
+ *.exe)
+ func_stripname '' '.exe' "$file"
+ file=$func_stripname_result
+ func_stripname '' '.exe' "$name"
+ noexename=$func_stripname_result
+ # $file with .exe has already been added to rmfiles,
+ # add $file without .exe
+ rmfiles+=" $file"
+ ;;
+ esac
+ # Do a test to see if this is a libtool program.
+ if func_ltwrapper_p "$file"; then
+ if func_ltwrapper_executable_p "$file"; then
+ func_ltwrapper_scriptname "$file"
+ relink_command=
+ func_source $func_ltwrapper_scriptname_result
+ rmfiles+=" $func_ltwrapper_scriptname_result"
+ else
+ relink_command=
+ func_source $dir/$noexename
+ fi
+
+ # note $name still contains .exe if it was in $file originally
+ # as does the version of $file that was added into $rmfiles
+ rmfiles+=" $odir/$name $odir/${name}S.${objext}"
+ if test "$fast_install" = yes && test -n "$relink_command"; then
+ rmfiles+=" $odir/lt-$name"
+ fi
+ if test "X$noexename" != "X$name" ; then
+ rmfiles+=" $odir/lt-${noexename}.c"
+ fi
+ fi
+ fi
+ ;;
+ esac
+ func_show_eval "$RM $rmfiles" 'exit_status=1'
+ done
+
+ # Try to remove the ${objdir}s in the directories where we deleted files
+ for dir in $rmdirs; do
+ if test -d "$dir"; then
+ func_show_eval "rmdir $dir >/dev/null 2>&1"
+ fi
+ done
+
+ exit $exit_status
+}
+
+{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } &&
+ func_mode_uninstall ${1+"$@"}
+
+test -z "$opt_mode" && {
+ help="$generic_help"
+ func_fatal_help "you must specify a MODE"
+}
+
+test -z "$exec_cmd" && \
+ func_fatal_help "invalid operation mode \`$opt_mode'"
+
+if test -n "$exec_cmd"; then
+ eval exec "$exec_cmd"
+ exit $EXIT_FAILURE
+fi
+
+exit $exit_status
+
+
+# The TAGs below are defined such that we never get into a situation
+# in which we disable both kinds of libraries. Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them. This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration. But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+build_libtool_libs=no
+build_old_libs=yes
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
+# vi:sw=2
+
diff --git a/ltconfig b/ltconfig
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/ltconfig
diff --git a/ltmain.sh b/ltmain.sh
new file mode 100644
index 0000000..63ae69d
--- /dev/null
+++ b/ltmain.sh
@@ -0,0 +1,9655 @@
+
+# libtool (GNU libtool) 2.4.2
+# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
+# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions. There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# As a special exception to the GNU General Public License,
+# if you distribute this file as part of a program or library that
+# is built using GNU Libtool, you may include this file under the
+# same distribution terms that you use for the rest of that program.
+#
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Libtool; see the file COPYING. If not, a copy
+# can be downloaded from http://www.gnu.org/licenses/gpl.html,
+# or obtained by writing to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Usage: $progname [OPTION]... [MODE-ARG]...
+#
+# Provide generalized library-building support services.
+#
+# --config show all configuration variables
+# --debug enable verbose shell tracing
+# -n, --dry-run display commands without modifying any files
+# --features display basic configuration information and exit
+# --mode=MODE use operation mode MODE
+# --preserve-dup-deps don't remove duplicate dependency libraries
+# --quiet, --silent don't print informational messages
+# --no-quiet, --no-silent
+# print informational messages (default)
+# --no-warn don't display warning messages
+# --tag=TAG use configuration variables from tag TAG
+# -v, --verbose print more informational messages than default
+# --no-verbose don't print the extra informational messages
+# --version print version information
+# -h, --help, --help-all print short, long, or detailed help message
+#
+# MODE must be one of the following:
+#
+# clean remove files from the build directory
+# compile compile a source file into a libtool object
+# execute automatically set library path, then run a program
+# finish complete the installation of libtool libraries
+# install install libraries or executables
+# link create a library or an executable
+# uninstall remove libraries from an installed directory
+#
+# MODE-ARGS vary depending on the MODE. When passed as first option,
+# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that.
+# Try `$progname --help --mode=MODE' for a more detailed description of MODE.
+#
+# When reporting a bug, please describe a test case to reproduce it and
+# include the following information:
+#
+# host-triplet: $host
+# shell: $SHELL
+# compiler: $LTCC
+# compiler flags: $LTCFLAGS
+# linker: $LD (gnu? $with_gnu_ld)
+# $progname: (GNU libtool) 2.4.2
+# automake: $automake_version
+# autoconf: $autoconf_version
+#
+# Report bugs to <bug-libtool@gnu.org>.
+# GNU libtool home page: <http://www.gnu.org/software/libtool/>.
+# General help using GNU software: <http://www.gnu.org/gethelp/>.
+
+PROGRAM=libtool
+PACKAGE=libtool
+VERSION=2.4.2
+TIMESTAMP=""
+package_revision=1.3337
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+ setopt NO_GLOB_SUBST
+else
+ case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+ eval 'cat <<_LTECHO_EOF
+$1
+_LTECHO_EOF'
+}
+
+# NLS nuisances: We save the old values to restore during execute mode.
+lt_user_locale=
+lt_safe_locale=
+for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+do
+ eval "if test \"\${$lt_var+set}\" = set; then
+ save_$lt_var=\$$lt_var
+ $lt_var=C
+ export $lt_var
+ lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\"
+ lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\"
+ fi"
+done
+LC_ALL=C
+LANGUAGE=C
+export LANGUAGE LC_ALL
+
+$lt_unset CDPATH
+
+
+# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
+# is ksh but when the shell is invoked as "sh" and the current value of
+# the _XPG environment variable is not equal to 1 (one), the special
+# positional parameter $0, within a function call, is the name of the
+# function.
+progpath="$0"
+
+
+
+: ${CP="cp -f"}
+test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'}
+: ${MAKE="make"}
+: ${MKDIR="mkdir"}
+: ${MV="mv -f"}
+: ${RM="rm -f"}
+: ${SHELL="${CONFIG_SHELL-/bin/sh}"}
+: ${Xsed="$SED -e 1s/^X//"}
+
+# Global variables:
+EXIT_SUCCESS=0
+EXIT_FAILURE=1
+EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing.
+EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake.
+
+exit_status=$EXIT_SUCCESS
+
+# Make sure IFS has a sensible default
+lt_nl='
+'
+IFS=" $lt_nl"
+
+dirname="s,/[^/]*$,,"
+basename="s,^.*/,,"
+
+# func_dirname file append nondir_replacement
+# Compute the dirname of FILE. If nonempty, add APPEND to the result,
+# otherwise set result to NONDIR_REPLACEMENT.
+func_dirname ()
+{
+ func_dirname_result=`$ECHO "${1}" | $SED "$dirname"`
+ if test "X$func_dirname_result" = "X${1}"; then
+ func_dirname_result="${3}"
+ else
+ func_dirname_result="$func_dirname_result${2}"
+ fi
+} # func_dirname may be replaced by extended shell implementation
+
+
+# func_basename file
+func_basename ()
+{
+ func_basename_result=`$ECHO "${1}" | $SED "$basename"`
+} # func_basename may be replaced by extended shell implementation
+
+
+# func_dirname_and_basename file append nondir_replacement
+# perform func_basename and func_dirname in a single function
+# call:
+# dirname: Compute the dirname of FILE. If nonempty,
+# add APPEND to the result, otherwise set result
+# to NONDIR_REPLACEMENT.
+# value returned in "$func_dirname_result"
+# basename: Compute filename of FILE.
+# value retuned in "$func_basename_result"
+# Implementation must be kept synchronized with func_dirname
+# and func_basename. For efficiency, we do not delegate to
+# those functions but instead duplicate the functionality here.
+func_dirname_and_basename ()
+{
+ # Extract subdirectory from the argument.
+ func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"`
+ if test "X$func_dirname_result" = "X${1}"; then
+ func_dirname_result="${3}"
+ else
+ func_dirname_result="$func_dirname_result${2}"
+ fi
+ func_basename_result=`$ECHO "${1}" | $SED -e "$basename"`
+} # func_dirname_and_basename may be replaced by extended shell implementation
+
+
+# func_stripname prefix suffix name
+# strip PREFIX and SUFFIX off of NAME.
+# PREFIX and SUFFIX must not contain globbing or regex special
+# characters, hashes, percent signs, but SUFFIX may contain a leading
+# dot (in which case that matches only a dot).
+# func_strip_suffix prefix name
+func_stripname ()
+{
+ case ${2} in
+ .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;;
+ *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;;
+ esac
+} # func_stripname may be replaced by extended shell implementation
+
+
+# These SED scripts presuppose an absolute path with a trailing slash.
+pathcar='s,^/\([^/]*\).*$,\1,'
+pathcdr='s,^/[^/]*,,'
+removedotparts=':dotsl
+ s@/\./@/@g
+ t dotsl
+ s,/\.$,/,'
+collapseslashes='s@/\{1,\}@/@g'
+finalslash='s,/*$,/,'
+
+# func_normal_abspath PATH
+# Remove doubled-up and trailing slashes, "." path components,
+# and cancel out any ".." path components in PATH after making
+# it an absolute path.
+# value returned in "$func_normal_abspath_result"
+func_normal_abspath ()
+{
+ # Start from root dir and reassemble the path.
+ func_normal_abspath_result=
+ func_normal_abspath_tpath=$1
+ func_normal_abspath_altnamespace=
+ case $func_normal_abspath_tpath in
+ "")
+ # Empty path, that just means $cwd.
+ func_stripname '' '/' "`pwd`"
+ func_normal_abspath_result=$func_stripname_result
+ return
+ ;;
+ # The next three entries are used to spot a run of precisely
+ # two leading slashes without using negated character classes;
+ # we take advantage of case's first-match behaviour.
+ ///*)
+ # Unusual form of absolute path, do nothing.
+ ;;
+ //*)
+ # Not necessarily an ordinary path; POSIX reserves leading '//'
+ # and for example Cygwin uses it to access remote file shares
+ # over CIFS/SMB, so we conserve a leading double slash if found.
+ func_normal_abspath_altnamespace=/
+ ;;
+ /*)
+ # Absolute path, do nothing.
+ ;;
+ *)
+ # Relative path, prepend $cwd.
+ func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
+ ;;
+ esac
+ # Cancel out all the simple stuff to save iterations. We also want
+ # the path to end with a slash for ease of parsing, so make sure
+ # there is one (and only one) here.
+ func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+ -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"`
+ while :; do
+ # Processed it all yet?
+ if test "$func_normal_abspath_tpath" = / ; then
+ # If we ascended to the root using ".." the result may be empty now.
+ if test -z "$func_normal_abspath_result" ; then
+ func_normal_abspath_result=/
+ fi
+ break
+ fi
+ func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \
+ -e "$pathcar"`
+ func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
+ -e "$pathcdr"`
+ # Figure out what to do with it
+ case $func_normal_abspath_tcomponent in
+ "")
+ # Trailing empty path component, ignore it.
+ ;;
+ ..)
+ # Parent dir; strip last assembled component from result.
+ func_dirname "$func_normal_abspath_result"
+ func_normal_abspath_result=$func_dirname_result
+ ;;
+ *)
+ # Actual path component, append it.
+ func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent
+ ;;
+ esac
+ done
+ # Restore leading double-slash if one was found on entry.
+ func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result
+}
+
+# func_relative_path SRCDIR DSTDIR
+# generates a relative path from SRCDIR to DSTDIR, with a trailing
+# slash if non-empty, suitable for immediately appending a filename
+# without needing to append a separator.
+# value returned in "$func_relative_path_result"
+func_relative_path ()
+{
+ func_relative_path_result=
+ func_normal_abspath "$1"
+ func_relative_path_tlibdir=$func_normal_abspath_result
+ func_normal_abspath "$2"
+ func_relative_path_tbindir=$func_normal_abspath_result
+
+ # Ascend the tree starting from libdir
+ while :; do
+ # check if we have found a prefix of bindir
+ case $func_relative_path_tbindir in
+ $func_relative_path_tlibdir)
+ # found an exact match
+ func_relative_path_tcancelled=
+ break
+ ;;
+ $func_relative_path_tlibdir*)
+ # found a matching prefix
+ func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir"
+ func_relative_path_tcancelled=$func_stripname_result
+ if test -z "$func_relative_path_result"; then
+ func_relative_path_result=.
+ fi
+ break
+ ;;
+ *)
+ func_dirname $func_relative_path_tlibdir
+ func_relative_path_tlibdir=${func_dirname_result}
+ if test "x$func_relative_path_tlibdir" = x ; then
+ # Have to descend all the way to the root!
+ func_relative_path_result=../$func_relative_path_result
+ func_relative_path_tcancelled=$func_relative_path_tbindir
+ break
+ fi
+ func_relative_path_result=../$func_relative_path_result
+ ;;
+ esac
+ done
+
+ # Now calculate path; take care to avoid doubling-up slashes.
+ func_stripname '' '/' "$func_relative_path_result"
+ func_relative_path_result=$func_stripname_result
+ func_stripname '/' '/' "$func_relative_path_tcancelled"
+ if test "x$func_stripname_result" != x ; then
+ func_relative_path_result=${func_relative_path_result}/${func_stripname_result}
+ fi
+
+ # Normalisation. If bindir is libdir, return empty string,
+ # else relative path ending with a slash; either way, target
+ # file name can be directly appended.
+ if test ! -z "$func_relative_path_result"; then
+ func_stripname './' '' "$func_relative_path_result/"
+ func_relative_path_result=$func_stripname_result
+ fi
+}
+
+# The name of this program:
+func_dirname_and_basename "$progpath"
+progname=$func_basename_result
+
+# Make sure we have an absolute path for reexecution:
+case $progpath in
+ [\\/]*|[A-Za-z]:\\*) ;;
+ *[\\/]*)
+ progdir=$func_dirname_result
+ progdir=`cd "$progdir" && pwd`
+ progpath="$progdir/$progname"
+ ;;
+ *)
+ save_IFS="$IFS"
+ IFS=${PATH_SEPARATOR-:}
+ for progdir in $PATH; do
+ IFS="$save_IFS"
+ test -x "$progdir/$progname" && break
+ done
+ IFS="$save_IFS"
+ test -n "$progdir" || progdir=`pwd`
+ progpath="$progdir/$progname"
+ ;;
+esac
+
+# Sed substitution that helps us do robust quoting. It backslashifies
+# metacharacters that are still active within double-quoted strings.
+Xsed="${SED}"' -e 1s/^X//'
+sed_quote_subst='s/\([`"$\\]\)/\\\1/g'
+
+# Same as above, but do not quote variable references.
+double_quote_subst='s/\(["`\\]\)/\\\1/g'
+
+# Sed substitution that turns a string into a regex matching for the
+# string literally.
+sed_make_literal_regex='s,[].[^$\\*\/],\\&,g'
+
+# Sed substitution that converts a w32 file name or path
+# which contains forward slashes, into one that contains
+# (escaped) backslashes. A very naive implementation.
+lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g'
+
+# Re-`\' parameter expansions in output of double_quote_subst that were
+# `\'-ed in input to the same. If an odd number of `\' preceded a '$'
+# in input to double_quote_subst, that '$' was protected from expansion.
+# Since each input `\' is now two `\'s, look for any number of runs of
+# four `\'s followed by two `\'s and then a '$'. `\' that '$'.
+bs='\\'
+bs2='\\\\'
+bs4='\\\\\\\\'
+dollar='\$'
+sed_double_backslash="\
+ s/$bs4/&\\
+/g
+ s/^$bs2$dollar/$bs&/
+ s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g
+ s/\n//g"
+
+# Standard options:
+opt_dry_run=false
+opt_help=false
+opt_quiet=false
+opt_verbose=false
+opt_warning=:
+
+# func_echo arg...
+# Echo program name prefixed message, along with the current mode
+# name if it has been set yet.
+func_echo ()
+{
+ $ECHO "$progname: ${opt_mode+$opt_mode: }$*"
+}
+
+# func_verbose arg...
+# Echo program name prefixed message in verbose mode only.
+func_verbose ()
+{
+ $opt_verbose && func_echo ${1+"$@"}
+
+ # A bug in bash halts the script if the last line of a function
+ # fails when set -e is in force, so we need another command to
+ # work around that:
+ :
+}
+
+# func_echo_all arg...
+# Invoke $ECHO with all args, space-separated.
+func_echo_all ()
+{
+ $ECHO "$*"
+}
+
+# func_error arg...
+# Echo program name prefixed message to standard error.
+func_error ()
+{
+ $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2
+}
+
+# func_warning arg...
+# Echo program name prefixed warning message to standard error.
+func_warning ()
+{
+ $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2
+
+ # bash bug again:
+ :
+}
+
+# func_fatal_error arg...
+# Echo program name prefixed message to standard error, and exit.
+func_fatal_error ()
+{
+ func_error ${1+"$@"}
+ exit $EXIT_FAILURE
+}
+
+# func_fatal_help arg...
+# Echo program name prefixed message to standard error, followed by
+# a help hint, and exit.
+func_fatal_help ()
+{
+ func_error ${1+"$@"}
+ func_fatal_error "$help"
+}
+help="Try \`$progname --help' for more information." ## default
+
+
+# func_grep expression filename
+# Check whether EXPRESSION matches any line of FILENAME, without output.
+func_grep ()
+{
+ $GREP "$1" "$2" >/dev/null 2>&1
+}
+
+
+# func_mkdir_p directory-path
+# Make sure the entire path to DIRECTORY-PATH is available.
+func_mkdir_p ()
+{
+ my_directory_path="$1"
+ my_dir_list=
+
+ if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then
+
+ # Protect directory names starting with `-'
+ case $my_directory_path in
+ -*) my_directory_path="./$my_directory_path" ;;
+ esac
+
+ # While some portion of DIR does not yet exist...
+ while test ! -d "$my_directory_path"; do
+ # ...make a list in topmost first order. Use a colon delimited
+ # list incase some portion of path contains whitespace.
+ my_dir_list="$my_directory_path:$my_dir_list"
+
+ # If the last portion added has no slash in it, the list is done
+ case $my_directory_path in */*) ;; *) break ;; esac
+
+ # ...otherwise throw away the child directory and loop
+ my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"`
+ done
+ my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'`
+
+ save_mkdir_p_IFS="$IFS"; IFS=':'
+ for my_dir in $my_dir_list; do
+ IFS="$save_mkdir_p_IFS"
+ # mkdir can fail with a `File exist' error if two processes
+ # try to create one of the directories concurrently. Don't
+ # stop in that case!
+ $MKDIR "$my_dir" 2>/dev/null || :
+ done
+ IFS="$save_mkdir_p_IFS"
+
+ # Bail out if we (or some other process) failed to create a directory.
+ test -d "$my_directory_path" || \
+ func_fatal_error "Failed to create \`$1'"
+ fi
+}
+
+
+# func_mktempdir [string]
+# Make a temporary directory that won't clash with other running
+# libtool processes, and avoids race conditions if possible. If
+# given, STRING is the basename for that directory.
+func_mktempdir ()
+{
+ my_template="${TMPDIR-/tmp}/${1-$progname}"
+
+ if test "$opt_dry_run" = ":"; then
+ # Return a directory name, but don't create it in dry-run mode
+ my_tmpdir="${my_template}-$$"
+ else
+
+ # If mktemp works, use that first and foremost
+ my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`
+
+ if test ! -d "$my_tmpdir"; then
+ # Failing that, at least try and use $RANDOM to avoid a race
+ my_tmpdir="${my_template}-${RANDOM-0}$$"
+
+ save_mktempdir_umask=`umask`
+ umask 0077
+ $MKDIR "$my_tmpdir"
+ umask $save_mktempdir_umask
+ fi
+
+ # If we're not in dry-run mode, bomb out on failure
+ test -d "$my_tmpdir" || \
+ func_fatal_error "cannot create temporary directory \`$my_tmpdir'"
+ fi
+
+ $ECHO "$my_tmpdir"
+}
+
+
+# func_quote_for_eval arg
+# Aesthetically quote ARG to be evaled later.
+# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT
+# is double-quoted, suitable for a subsequent eval, whereas
+# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters
+# which are still active within double quotes backslashified.
+func_quote_for_eval ()
+{
+ case $1 in
+ *[\\\`\"\$]*)
+ func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;;
+ *)
+ func_quote_for_eval_unquoted_result="$1" ;;
+ esac
+
+ case $func_quote_for_eval_unquoted_result in
+ # Double-quote args containing shell metacharacters to delay
+ # word splitting, command substitution and and variable
+ # expansion for a subsequent eval.
+ # Many Bourne shells cannot handle close brackets correctly
+ # in scan sets, so we specify it separately.
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\""
+ ;;
+ *)
+ func_quote_for_eval_result="$func_quote_for_eval_unquoted_result"
+ esac
+}
+
+
+# func_quote_for_expand arg
+# Aesthetically quote ARG to be evaled later; same as above,
+# but do not quote variable references.
+func_quote_for_expand ()
+{
+ case $1 in
+ *[\\\`\"]*)
+ my_arg=`$ECHO "$1" | $SED \
+ -e "$double_quote_subst" -e "$sed_double_backslash"` ;;
+ *)
+ my_arg="$1" ;;
+ esac
+
+ case $my_arg in
+ # Double-quote args containing shell metacharacters to delay
+ # word splitting and command substitution for a subsequent eval.
+ # Many Bourne shells cannot handle close brackets correctly
+ # in scan sets, so we specify it separately.
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ my_arg="\"$my_arg\""
+ ;;
+ esac
+
+ func_quote_for_expand_result="$my_arg"
+}
+
+
+# func_show_eval cmd [fail_exp]
+# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is
+# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it.
+func_show_eval ()
+{
+ my_cmd="$1"
+ my_fail_exp="${2-:}"
+
+ ${opt_silent-false} || {
+ func_quote_for_expand "$my_cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+
+ if ${opt_dry_run-false}; then :; else
+ eval "$my_cmd"
+ my_status=$?
+ if test "$my_status" -eq 0; then :; else
+ eval "(exit $my_status); $my_fail_exp"
+ fi
+ fi
+}
+
+
+# func_show_eval_locale cmd [fail_exp]
+# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is
+# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
+# is given, then evaluate it. Use the saved locale for evaluation.
+func_show_eval_locale ()
+{
+ my_cmd="$1"
+ my_fail_exp="${2-:}"
+
+ ${opt_silent-false} || {
+ func_quote_for_expand "$my_cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+
+ if ${opt_dry_run-false}; then :; else
+ eval "$lt_user_locale
+ $my_cmd"
+ my_status=$?
+ eval "$lt_safe_locale"
+ if test "$my_status" -eq 0; then :; else
+ eval "(exit $my_status); $my_fail_exp"
+ fi
+ fi
+}
+
+# func_tr_sh
+# Turn $1 into a string suitable for a shell variable name.
+# Result is stored in $func_tr_sh_result. All characters
+# not in the set a-zA-Z0-9_ are replaced with '_'. Further,
+# if $1 begins with a digit, a '_' is prepended as well.
+func_tr_sh ()
+{
+ case $1 in
+ [0-9]* | *[!a-zA-Z0-9_]*)
+ func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'`
+ ;;
+ * )
+ func_tr_sh_result=$1
+ ;;
+ esac
+}
+
+
+# func_version
+# Echo version message to standard output and exit.
+func_version ()
+{
+ $opt_debug
+
+ $SED -n '/(C)/!b go
+ :more
+ /\./!{
+ N
+ s/\n# / /
+ b more
+ }
+ :go
+ /^# '$PROGRAM' (GNU /,/# warranty; / {
+ s/^# //
+ s/^# *$//
+ s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/
+ p
+ }' < "$progpath"
+ exit $?
+}
+
+# func_usage
+# Echo short help message to standard output and exit.
+func_usage ()
+{
+ $opt_debug
+
+ $SED -n '/^# Usage:/,/^# *.*--help/ {
+ s/^# //
+ s/^# *$//
+ s/\$progname/'$progname'/
+ p
+ }' < "$progpath"
+ echo
+ $ECHO "run \`$progname --help | more' for full usage"
+ exit $?
+}
+
+# func_help [NOEXIT]
+# Echo long help message to standard output and exit,
+# unless 'noexit' is passed as argument.
+func_help ()
+{
+ $opt_debug
+
+ $SED -n '/^# Usage:/,/# Report bugs to/ {
+ :print
+ s/^# //
+ s/^# *$//
+ s*\$progname*'$progname'*
+ s*\$host*'"$host"'*
+ s*\$SHELL*'"$SHELL"'*
+ s*\$LTCC*'"$LTCC"'*
+ s*\$LTCFLAGS*'"$LTCFLAGS"'*
+ s*\$LD*'"$LD"'*
+ s/\$with_gnu_ld/'"$with_gnu_ld"'/
+ s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/
+ s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/
+ p
+ d
+ }
+ /^# .* home page:/b print
+ /^# General help using/b print
+ ' < "$progpath"
+ ret=$?
+ if test -z "$1"; then
+ exit $ret
+ fi
+}
+
+# func_missing_arg argname
+# Echo program name prefixed message to standard error and set global
+# exit_cmd.
+func_missing_arg ()
+{
+ $opt_debug
+
+ func_error "missing argument for $1."
+ exit_cmd=exit
+}
+
+
+# func_split_short_opt shortopt
+# Set func_split_short_opt_name and func_split_short_opt_arg shell
+# variables after splitting SHORTOPT after the 2nd character.
+func_split_short_opt ()
+{
+ my_sed_short_opt='1s/^\(..\).*$/\1/;q'
+ my_sed_short_rest='1s/^..\(.*\)$/\1/;q'
+
+ func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"`
+ func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"`
+} # func_split_short_opt may be replaced by extended shell implementation
+
+
+# func_split_long_opt longopt
+# Set func_split_long_opt_name and func_split_long_opt_arg shell
+# variables after splitting LONGOPT at the `=' sign.
+func_split_long_opt ()
+{
+ my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q'
+ my_sed_long_arg='1s/^--[^=]*=//'
+
+ func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"`
+ func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"`
+} # func_split_long_opt may be replaced by extended shell implementation
+
+exit_cmd=:
+
+
+
+
+
+magic="%%%MAGIC variable%%%"
+magic_exe="%%%MAGIC EXE variable%%%"
+
+# Global variables.
+nonopt=
+preserve_args=
+lo2o="s/\\.lo\$/.${objext}/"
+o2lo="s/\\.${objext}\$/.lo/"
+extracted_archives=
+extracted_serial=0
+
+# If this variable is set in any of the actions, the command in it
+# will be execed at the end. This prevents here-documents from being
+# left over by shells.
+exec_cmd=
+
+# func_append var value
+# Append VALUE to the end of shell variable VAR.
+func_append ()
+{
+ eval "${1}=\$${1}\${2}"
+} # func_append may be replaced by extended shell implementation
+
+# func_append_quoted var value
+# Quote VALUE and append to the end of shell variable VAR, separated
+# by a space.
+func_append_quoted ()
+{
+ func_quote_for_eval "${2}"
+ eval "${1}=\$${1}\\ \$func_quote_for_eval_result"
+} # func_append_quoted may be replaced by extended shell implementation
+
+
+# func_arith arithmetic-term...
+func_arith ()
+{
+ func_arith_result=`expr "${@}"`
+} # func_arith may be replaced by extended shell implementation
+
+
+# func_len string
+# STRING may not start with a hyphen.
+func_len ()
+{
+ func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len`
+} # func_len may be replaced by extended shell implementation
+
+
+# func_lo2o object
+func_lo2o ()
+{
+ func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"`
+} # func_lo2o may be replaced by extended shell implementation
+
+
+# func_xform libobj-or-source
+func_xform ()
+{
+ func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'`
+} # func_xform may be replaced by extended shell implementation
+
+
+# func_fatal_configuration arg...
+# Echo program name prefixed message to standard error, followed by
+# a configuration failure hint, and exit.
+func_fatal_configuration ()
+{
+ func_error ${1+"$@"}
+ func_error "See the $PACKAGE documentation for more information."
+ func_fatal_error "Fatal configuration error."
+}
+
+
+# func_config
+# Display the configuration for all the tags in this script.
+func_config ()
+{
+ re_begincf='^# ### BEGIN LIBTOOL'
+ re_endcf='^# ### END LIBTOOL'
+
+ # Default configuration.
+ $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath"
+
+ # Now print the configurations for the tags.
+ for tagname in $taglist; do
+ $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath"
+ done
+
+ exit $?
+}
+
+# func_features
+# Display the features supported by this script.
+func_features ()
+{
+ echo "host: $host"
+ if test "$build_libtool_libs" = yes; then
+ echo "enable shared libraries"
+ else
+ echo "disable shared libraries"
+ fi
+ if test "$build_old_libs" = yes; then
+ echo "enable static libraries"
+ else
+ echo "disable static libraries"
+ fi
+
+ exit $?
+}
+
+# func_enable_tag tagname
+# Verify that TAGNAME is valid, and either flag an error and exit, or
+# enable the TAGNAME tag. We also add TAGNAME to the global $taglist
+# variable here.
+func_enable_tag ()
+{
+ # Global variable:
+ tagname="$1"
+
+ re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$"
+ re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$"
+ sed_extractcf="/$re_begincf/,/$re_endcf/p"
+
+ # Validate tagname.
+ case $tagname in
+ *[!-_A-Za-z0-9,/]*)
+ func_fatal_error "invalid tag name: $tagname"
+ ;;
+ esac
+
+ # Don't test for the "default" C tag, as we know it's
+ # there but not specially marked.
+ case $tagname in
+ CC) ;;
+ *)
+ if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then
+ taglist="$taglist $tagname"
+
+ # Evaluate the configuration. Be careful to quote the path
+ # and the sed script, to avoid splitting on whitespace, but
+ # also don't use non-portable quotes within backquotes within
+ # quotes we have to do it in 2 steps:
+ extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"`
+ eval "$extractedcf"
+ else
+ func_error "ignoring unknown tag $tagname"
+ fi
+ ;;
+ esac
+}
+
+# func_check_version_match
+# Ensure that we are using m4 macros, and libtool script from the same
+# release of libtool.
+func_check_version_match ()
+{
+ if test "$package_revision" != "$macro_revision"; then
+ if test "$VERSION" != "$macro_version"; then
+ if test -z "$macro_version"; then
+ cat >&2 <<_LT_EOF
+$progname: Version mismatch error. This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from an older release.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+ else
+ cat >&2 <<_LT_EOF
+$progname: Version mismatch error. This is $PACKAGE $VERSION, but the
+$progname: definition of this LT_INIT comes from $PACKAGE $macro_version.
+$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION
+$progname: and run autoconf again.
+_LT_EOF
+ fi
+ else
+ cat >&2 <<_LT_EOF
+$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision,
+$progname: but the definition of this LT_INIT comes from revision $macro_revision.
+$progname: You should recreate aclocal.m4 with macros from revision $package_revision
+$progname: of $PACKAGE $VERSION and run autoconf again.
+_LT_EOF
+ fi
+
+ exit $EXIT_MISMATCH
+ fi
+}
+
+
+# Shorthand for --mode=foo, only valid as the first argument
+case $1 in
+clean|clea|cle|cl)
+ shift; set dummy --mode clean ${1+"$@"}; shift
+ ;;
+compile|compil|compi|comp|com|co|c)
+ shift; set dummy --mode compile ${1+"$@"}; shift
+ ;;
+execute|execut|execu|exec|exe|ex|e)
+ shift; set dummy --mode execute ${1+"$@"}; shift
+ ;;
+finish|finis|fini|fin|fi|f)
+ shift; set dummy --mode finish ${1+"$@"}; shift
+ ;;
+install|instal|insta|inst|ins|in|i)
+ shift; set dummy --mode install ${1+"$@"}; shift
+ ;;
+link|lin|li|l)
+ shift; set dummy --mode link ${1+"$@"}; shift
+ ;;
+uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
+ shift; set dummy --mode uninstall ${1+"$@"}; shift
+ ;;
+esac
+
+
+
+# Option defaults:
+opt_debug=:
+opt_dry_run=false
+opt_config=false
+opt_preserve_dup_deps=false
+opt_features=false
+opt_finish=false
+opt_help=false
+opt_help_all=false
+opt_silent=:
+opt_warning=:
+opt_verbose=:
+opt_silent=false
+opt_verbose=false
+
+
+# Parse options once, thoroughly. This comes as soon as possible in the
+# script to make things like `--version' happen as quickly as we can.
+{
+ # this just eases exit handling
+ while test $# -gt 0; do
+ opt="$1"
+ shift
+ case $opt in
+ --debug|-x) opt_debug='set -x'
+ func_echo "enabling shell trace mode"
+ $opt_debug
+ ;;
+ --dry-run|--dryrun|-n)
+ opt_dry_run=:
+ ;;
+ --config)
+ opt_config=:
+func_config
+ ;;
+ --dlopen|-dlopen)
+ optarg="$1"
+ opt_dlopen="${opt_dlopen+$opt_dlopen
+}$optarg"
+ shift
+ ;;
+ --preserve-dup-deps)
+ opt_preserve_dup_deps=:
+ ;;
+ --features)
+ opt_features=:
+func_features
+ ;;
+ --finish)
+ opt_finish=:
+set dummy --mode finish ${1+"$@"}; shift
+ ;;
+ --help)
+ opt_help=:
+ ;;
+ --help-all)
+ opt_help_all=:
+opt_help=': help-all'
+ ;;
+ --mode)
+ test $# = 0 && func_missing_arg $opt && break
+ optarg="$1"
+ opt_mode="$optarg"
+case $optarg in
+ # Valid mode arguments:
+ clean|compile|execute|finish|install|link|relink|uninstall) ;;
+
+ # Catch anything else as an error
+ *) func_error "invalid argument for $opt"
+ exit_cmd=exit
+ break
+ ;;
+esac
+ shift
+ ;;
+ --no-silent|--no-quiet)
+ opt_silent=false
+func_append preserve_args " $opt"
+ ;;
+ --no-warning|--no-warn)
+ opt_warning=false
+func_append preserve_args " $opt"
+ ;;
+ --no-verbose)
+ opt_verbose=false
+func_append preserve_args " $opt"
+ ;;
+ --silent|--quiet)
+ opt_silent=:
+func_append preserve_args " $opt"
+ opt_verbose=false
+ ;;
+ --verbose|-v)
+ opt_verbose=:
+func_append preserve_args " $opt"
+opt_silent=false
+ ;;
+ --tag)
+ test $# = 0 && func_missing_arg $opt && break
+ optarg="$1"
+ opt_tag="$optarg"
+func_append preserve_args " $opt $optarg"
+func_enable_tag "$optarg"
+ shift
+ ;;
+
+ -\?|-h) func_usage ;;
+ --help) func_help ;;
+ --version) func_version ;;
+
+ # Separate optargs to long options:
+ --*=*)
+ func_split_long_opt "$opt"
+ set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"}
+ shift
+ ;;
+
+ # Separate non-argument short options:
+ -\?*|-h*|-n*|-v*)
+ func_split_short_opt "$opt"
+ set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"}
+ shift
+ ;;
+
+ --) break ;;
+ -*) func_fatal_help "unrecognized option \`$opt'" ;;
+ *) set dummy "$opt" ${1+"$@"}; shift; break ;;
+ esac
+ done
+
+ # Validate options:
+
+ # save first non-option argument
+ if test "$#" -gt 0; then
+ nonopt="$opt"
+ shift
+ fi
+
+ # preserve --debug
+ test "$opt_debug" = : || func_append preserve_args " --debug"
+
+ case $host in
+ *cygwin* | *mingw* | *pw32* | *cegcc*)
+ # don't eliminate duplications in $postdeps and $predeps
+ opt_duplicate_compiler_generated_deps=:
+ ;;
+ *)
+ opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps
+ ;;
+ esac
+
+ $opt_help || {
+ # Sanity checks first:
+ func_check_version_match
+
+ if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then
+ func_fatal_configuration "not configured to build any kind of library"
+ fi
+
+ # Darwin sucks
+ eval std_shrext=\"$shrext_cmds\"
+
+ # Only execute mode is allowed to have -dlopen flags.
+ if test -n "$opt_dlopen" && test "$opt_mode" != execute; then
+ func_error "unrecognized option \`-dlopen'"
+ $ECHO "$help" 1>&2
+ exit $EXIT_FAILURE
+ fi
+
+ # Change the help message to a mode-specific one.
+ generic_help="$help"
+ help="Try \`$progname --help --mode=$opt_mode' for more information."
+ }
+
+
+ # Bail if the options were screwed
+ $exit_cmd $EXIT_FAILURE
+}
+
+
+
+
+## ----------- ##
+## Main. ##
+## ----------- ##
+
+# func_lalib_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_lalib_p ()
+{
+ test -f "$1" &&
+ $SED -e 4q "$1" 2>/dev/null \
+ | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1
+}
+
+# func_lalib_unsafe_p file
+# True iff FILE is a libtool `.la' library or `.lo' object file.
+# This function implements the same check as func_lalib_p without
+# resorting to external programs. To this end, it redirects stdin and
+# closes it afterwards, without saving the original file descriptor.
+# As a safety measure, use it only where a negative result would be
+# fatal anyway. Works if `file' does not exist.
+func_lalib_unsafe_p ()
+{
+ lalib_p=no
+ if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then
+ for lalib_p_l in 1 2 3 4
+ do
+ read lalib_p_line
+ case "$lalib_p_line" in
+ \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;;
+ esac
+ done
+ exec 0<&5 5<&-
+ fi
+ test "$lalib_p" = yes
+}
+
+# func_ltwrapper_script_p file
+# True iff FILE is a libtool wrapper script
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_script_p ()
+{
+ func_lalib_p "$1"
+}
+
+# func_ltwrapper_executable_p file
+# True iff FILE is a libtool wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_executable_p ()
+{
+ func_ltwrapper_exec_suffix=
+ case $1 in
+ *.exe) ;;
+ *) func_ltwrapper_exec_suffix=.exe ;;
+ esac
+ $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1
+}
+
+# func_ltwrapper_scriptname file
+# Assumes file is an ltwrapper_executable
+# uses $file to determine the appropriate filename for a
+# temporary ltwrapper_script.
+func_ltwrapper_scriptname ()
+{
+ func_dirname_and_basename "$1" "" "."
+ func_stripname '' '.exe' "$func_basename_result"
+ func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper"
+}
+
+# func_ltwrapper_p file
+# True iff FILE is a libtool wrapper script or wrapper executable
+# This function is only a basic sanity check; it will hardly flush out
+# determined imposters.
+func_ltwrapper_p ()
+{
+ func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1"
+}
+
+
+# func_execute_cmds commands fail_cmd
+# Execute tilde-delimited COMMANDS.
+# If FAIL_CMD is given, eval that upon failure.
+# FAIL_CMD may read-access the current command in variable CMD!
+func_execute_cmds ()
+{
+ $opt_debug
+ save_ifs=$IFS; IFS='~'
+ for cmd in $1; do
+ IFS=$save_ifs
+ eval cmd=\"$cmd\"
+ func_show_eval "$cmd" "${2-:}"
+ done
+ IFS=$save_ifs
+}
+
+
+# func_source file
+# Source FILE, adding directory component if necessary.
+# Note that it is not necessary on cygwin/mingw to append a dot to
+# FILE even if both FILE and FILE.exe exist: automatic-append-.exe
+# behavior happens only for exec(3), not for open(2)! Also, sourcing
+# `FILE.' does not work on cygwin managed mounts.
+func_source ()
+{
+ $opt_debug
+ case $1 in
+ */* | *\\*) . "$1" ;;
+ *) . "./$1" ;;
+ esac
+}
+
+
+# func_resolve_sysroot PATH
+# Replace a leading = in PATH with a sysroot. Store the result into
+# func_resolve_sysroot_result
+func_resolve_sysroot ()
+{
+ func_resolve_sysroot_result=$1
+ case $func_resolve_sysroot_result in
+ =*)
+ func_stripname '=' '' "$func_resolve_sysroot_result"
+ func_resolve_sysroot_result=$lt_sysroot$func_stripname_result
+ ;;
+ esac
+}
+
+# func_replace_sysroot PATH
+# If PATH begins with the sysroot, replace it with = and
+# store the result into func_replace_sysroot_result.
+func_replace_sysroot ()
+{
+ case "$lt_sysroot:$1" in
+ ?*:"$lt_sysroot"*)
+ func_stripname "$lt_sysroot" '' "$1"
+ func_replace_sysroot_result="=$func_stripname_result"
+ ;;
+ *)
+ # Including no sysroot.
+ func_replace_sysroot_result=$1
+ ;;
+ esac
+}
+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+ $opt_debug
+ if test -n "$available_tags" && test -z "$tagname"; then
+ CC_quoted=
+ for arg in $CC; do
+ func_append_quoted CC_quoted "$arg"
+ done
+ CC_expanded=`func_echo_all $CC`
+ CC_quoted_expanded=`func_echo_all $CC_quoted`
+ case $@ in
+ # Blanks in the command may have been stripped by the calling shell,
+ # but not from the CC environment variable when configure was run.
+ " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;;
+ # Blanks at the start of $base_compile will cause this to fail
+ # if we don't check for them as well.
+ *)
+ for z in $available_tags; do
+ if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+ # Evaluate the configuration.
+ eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+ CC_quoted=
+ for arg in $CC; do
+ # Double-quote args containing other shell metacharacters.
+ func_append_quoted CC_quoted "$arg"
+ done
+ CC_expanded=`func_echo_all $CC`
+ CC_quoted_expanded=`func_echo_all $CC_quoted`
+ case "$@ " in
+ " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
+ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*)
+ # The compiler in the base compile command matches
+ # the one in the tagged configuration.
+ # Assume this is the tagged configuration we want.
+ tagname=$z
+ break
+ ;;
+ esac
+ fi
+ done
+ # If $tagname still isn't set, then no tagged configuration
+ # was found and let the user know that the "--tag" command
+ # line option must be used.
+ if test -z "$tagname"; then
+ func_echo "unable to infer tagged configuration"
+ func_fatal_error "specify a tag with \`--tag'"
+# else
+# func_verbose "using $tagname tagged configuration"
+ fi
+ ;;
+ esac
+ fi
+}
+
+
+
+# func_write_libtool_object output_name pic_name nonpic_name
+# Create a libtool object file (analogous to a ".la" file),
+# but don't create it if we're doing a dry run.
+func_write_libtool_object ()
+{
+ write_libobj=${1}
+ if test "$build_libtool_libs" = yes; then
+ write_lobj=\'${2}\'
+ else
+ write_lobj=none
+ fi
+
+ if test "$build_old_libs" = yes; then
+ write_oldobj=\'${3}\'
+ else
+ write_oldobj=none
+ fi
+
+ $opt_dry_run || {
+ cat >${write_libobj}T <<EOF
+# $write_libobj - a libtool object file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# Name of the PIC object.
+pic_object=$write_lobj
+
+# Name of the non-PIC object
+non_pic_object=$write_oldobj
+
+EOF
+ $MV "${write_libobj}T" "${write_libobj}"
+ }
+}
+
+
+##################################################
+# FILE NAME AND PATH CONVERSION HELPER FUNCTIONS #
+##################################################
+
+# func_convert_core_file_wine_to_w32 ARG
+# Helper function used by file name conversion functions when $build is *nix,
+# and $host is mingw, cygwin, or some other w32 environment. Relies on a
+# correctly configured wine environment available, with the winepath program
+# in $build's $PATH.
+#
+# ARG is the $build file name to be converted to w32 format.
+# Result is available in $func_convert_core_file_wine_to_w32_result, and will
+# be empty on error (or when ARG is empty)
+func_convert_core_file_wine_to_w32 ()
+{
+ $opt_debug
+ func_convert_core_file_wine_to_w32_result="$1"
+ if test -n "$1"; then
+ # Unfortunately, winepath does not exit with a non-zero error code, so we
+ # are forced to check the contents of stdout. On the other hand, if the
+ # command is not found, the shell will set an exit code of 127 and print
+ # *an error message* to stdout. So we must check for both error code of
+ # zero AND non-empty stdout, which explains the odd construction:
+ func_convert_core_file_wine_to_w32_tmp=`winepath -w "$1" 2>/dev/null`
+ if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then
+ func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" |
+ $SED -e "$lt_sed_naive_backslashify"`
+ else
+ func_convert_core_file_wine_to_w32_result=
+ fi
+ fi
+}
+# end: func_convert_core_file_wine_to_w32
+
+
+# func_convert_core_path_wine_to_w32 ARG
+# Helper function used by path conversion functions when $build is *nix, and
+# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly
+# configured wine environment available, with the winepath program in $build's
+# $PATH. Assumes ARG has no leading or trailing path separator characters.
+#
+# ARG is path to be converted from $build format to win32.
+# Result is available in $func_convert_core_path_wine_to_w32_result.
+# Unconvertible file (directory) names in ARG are skipped; if no directory names
+# are convertible, then the result may be empty.
+func_convert_core_path_wine_to_w32 ()
+{
+ $opt_debug
+ # unfortunately, winepath doesn't convert paths, only file names
+ func_convert_core_path_wine_to_w32_result=""
+ if test -n "$1"; then
+ oldIFS=$IFS
+ IFS=:
+ for func_convert_core_path_wine_to_w32_f in $1; do
+ IFS=$oldIFS
+ func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f"
+ if test -n "$func_convert_core_file_wine_to_w32_result" ; then
+ if test -z "$func_convert_core_path_wine_to_w32_result"; then
+ func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result"
+ else
+ func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result"
+ fi
+ fi
+ done
+ IFS=$oldIFS
+ fi
+}
+# end: func_convert_core_path_wine_to_w32
+
+
+# func_cygpath ARGS...
+# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when
+# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2)
+# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or
+# (2), returns the Cygwin file name or path in func_cygpath_result (input
+# file name or path is assumed to be in w32 format, as previously converted
+# from $build's *nix or MSYS format). In case (3), returns the w32 file name
+# or path in func_cygpath_result (input file name or path is assumed to be in
+# Cygwin format). Returns an empty string on error.
+#
+# ARGS are passed to cygpath, with the last one being the file name or path to
+# be converted.
+#
+# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH
+# environment variable; do not put it in $PATH.
+func_cygpath ()
+{
+ $opt_debug
+ if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then
+ func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null`
+ if test "$?" -ne 0; then
+ # on failure, ensure result is empty
+ func_cygpath_result=
+ fi
+ else
+ func_cygpath_result=
+ func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'"
+ fi
+}
+#end: func_cygpath
+
+
+# func_convert_core_msys_to_w32 ARG
+# Convert file name or path ARG from MSYS format to w32 format. Return
+# result in func_convert_core_msys_to_w32_result.
+func_convert_core_msys_to_w32 ()
+{
+ $opt_debug
+ # awkward: cmd appends spaces to result
+ func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null |
+ $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"`
+}
+#end: func_convert_core_msys_to_w32
+
+
+# func_convert_file_check ARG1 ARG2
+# Verify that ARG1 (a file name in $build format) was converted to $host
+# format in ARG2. Otherwise, emit an error message, but continue (resetting
+# func_to_host_file_result to ARG1).
+func_convert_file_check ()
+{
+ $opt_debug
+ if test -z "$2" && test -n "$1" ; then
+ func_error "Could not determine host file name corresponding to"
+ func_error " \`$1'"
+ func_error "Continuing, but uninstalled executables may not work."
+ # Fallback:
+ func_to_host_file_result="$1"
+ fi
+}
+# end func_convert_file_check
+
+
+# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH
+# Verify that FROM_PATH (a path in $build format) was converted to $host
+# format in TO_PATH. Otherwise, emit an error message, but continue, resetting
+# func_to_host_file_result to a simplistic fallback value (see below).
+func_convert_path_check ()
+{
+ $opt_debug
+ if test -z "$4" && test -n "$3"; then
+ func_error "Could not determine the host path corresponding to"
+ func_error " \`$3'"
+ func_error "Continuing, but uninstalled executables may not work."
+ # Fallback. This is a deliberately simplistic "conversion" and
+ # should not be "improved". See libtool.info.
+ if test "x$1" != "x$2"; then
+ lt_replace_pathsep_chars="s|$1|$2|g"
+ func_to_host_path_result=`echo "$3" |
+ $SED -e "$lt_replace_pathsep_chars"`
+ else
+ func_to_host_path_result="$3"
+ fi
+ fi
+}
+# end func_convert_path_check
+
+
+# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG
+# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT
+# and appending REPL if ORIG matches BACKPAT.
+func_convert_path_front_back_pathsep ()
+{
+ $opt_debug
+ case $4 in
+ $1 ) func_to_host_path_result="$3$func_to_host_path_result"
+ ;;
+ esac
+ case $4 in
+ $2 ) func_append func_to_host_path_result "$3"
+ ;;
+ esac
+}
+# end func_convert_path_front_back_pathsep
+
+
+##################################################
+# $build to $host FILE NAME CONVERSION FUNCTIONS #
+##################################################
+# invoked via `$to_host_file_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# Result will be available in $func_to_host_file_result.
+
+
+# func_to_host_file ARG
+# Converts the file name ARG from $build format to $host format. Return result
+# in func_to_host_file_result.
+func_to_host_file ()
+{
+ $opt_debug
+ $to_host_file_cmd "$1"
+}
+# end func_to_host_file
+
+
+# func_to_tool_file ARG LAZY
+# converts the file name ARG from $build format to toolchain format. Return
+# result in func_to_tool_file_result. If the conversion in use is listed
+# in (the comma separated) LAZY, no conversion takes place.
+func_to_tool_file ()
+{
+ $opt_debug
+ case ,$2, in
+ *,"$to_tool_file_cmd",*)
+ func_to_tool_file_result=$1
+ ;;
+ *)
+ $to_tool_file_cmd "$1"
+ func_to_tool_file_result=$func_to_host_file_result
+ ;;
+ esac
+}
+# end func_to_tool_file
+
+
+# func_convert_file_noop ARG
+# Copy ARG to func_to_host_file_result.
+func_convert_file_noop ()
+{
+ func_to_host_file_result="$1"
+}
+# end func_convert_file_noop
+
+
+# func_convert_file_msys_to_w32 ARG
+# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper. Returns result in
+# func_to_host_file_result.
+func_convert_file_msys_to_w32 ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ func_convert_core_msys_to_w32 "$1"
+ func_to_host_file_result="$func_convert_core_msys_to_w32_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_w32
+
+
+# func_convert_file_cygwin_to_w32 ARG
+# Convert file name ARG from Cygwin to w32 format. Returns result in
+# func_to_host_file_result.
+func_convert_file_cygwin_to_w32 ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ # because $build is cygwin, we call "the" cygpath in $PATH; no need to use
+ # LT_CYGPATH in this case.
+ func_to_host_file_result=`cygpath -m "$1"`
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_cygwin_to_w32
+
+
+# func_convert_file_nix_to_w32 ARG
+# Convert file name ARG from *nix to w32 format. Requires a wine environment
+# and a working winepath. Returns result in func_to_host_file_result.
+func_convert_file_nix_to_w32 ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ func_convert_core_file_wine_to_w32 "$1"
+ func_to_host_file_result="$func_convert_core_file_wine_to_w32_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_w32
+
+
+# func_convert_file_msys_to_cygwin ARG
+# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_file_msys_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ func_convert_core_msys_to_w32 "$1"
+ func_cygpath -u "$func_convert_core_msys_to_w32_result"
+ func_to_host_file_result="$func_cygpath_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_msys_to_cygwin
+
+
+# func_convert_file_nix_to_cygwin ARG
+# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed
+# in a wine environment, working winepath, and LT_CYGPATH set. Returns result
+# in func_to_host_file_result.
+func_convert_file_nix_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_file_result="$1"
+ if test -n "$1"; then
+ # convert from *nix to w32, then use cygpath to convert from w32 to cygwin.
+ func_convert_core_file_wine_to_w32 "$1"
+ func_cygpath -u "$func_convert_core_file_wine_to_w32_result"
+ func_to_host_file_result="$func_cygpath_result"
+ fi
+ func_convert_file_check "$1" "$func_to_host_file_result"
+}
+# end func_convert_file_nix_to_cygwin
+
+
+#############################################
+# $build to $host PATH CONVERSION FUNCTIONS #
+#############################################
+# invoked via `$to_host_path_cmd ARG'
+#
+# In each case, ARG is the path to be converted from $build to $host format.
+# The result will be available in $func_to_host_path_result.
+#
+# Path separators are also converted from $build format to $host format. If
+# ARG begins or ends with a path separator character, it is preserved (but
+# converted to $host format) on output.
+#
+# All path conversion functions are named using the following convention:
+# file name conversion function : func_convert_file_X_to_Y ()
+# path conversion function : func_convert_path_X_to_Y ()
+# where, for any given $build/$host combination the 'X_to_Y' value is the
+# same. If conversion functions are added for new $build/$host combinations,
+# the two new functions must follow this pattern, or func_init_to_host_path_cmd
+# will break.
+
+
+# func_init_to_host_path_cmd
+# Ensures that function "pointer" variable $to_host_path_cmd is set to the
+# appropriate value, based on the value of $to_host_file_cmd.
+to_host_path_cmd=
+func_init_to_host_path_cmd ()
+{
+ $opt_debug
+ if test -z "$to_host_path_cmd"; then
+ func_stripname 'func_convert_file_' '' "$to_host_file_cmd"
+ to_host_path_cmd="func_convert_path_${func_stripname_result}"
+ fi
+}
+
+
+# func_to_host_path ARG
+# Converts the path ARG from $build format to $host format. Return result
+# in func_to_host_path_result.
+func_to_host_path ()
+{
+ $opt_debug
+ func_init_to_host_path_cmd
+ $to_host_path_cmd "$1"
+}
+# end func_to_host_path
+
+
+# func_convert_path_noop ARG
+# Copy ARG to func_to_host_path_result.
+func_convert_path_noop ()
+{
+ func_to_host_path_result="$1"
+}
+# end func_convert_path_noop
+
+
+# func_convert_path_msys_to_w32 ARG
+# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic
+# conversion to w32 is not available inside the cwrapper. Returns result in
+# func_to_host_path_result.
+func_convert_path_msys_to_w32 ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # Remove leading and trailing path separator characters from ARG. MSYS
+ # behavior is inconsistent here; cygpath turns them into '.;' and ';.';
+ # and winepath ignores them completely.
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+ func_to_host_path_result="$func_convert_core_msys_to_w32_result"
+ func_convert_path_check : ";" \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+ fi
+}
+# end func_convert_path_msys_to_w32
+
+
+# func_convert_path_cygwin_to_w32 ARG
+# Convert path ARG from Cygwin to w32 format. Returns result in
+# func_to_host_file_result.
+func_convert_path_cygwin_to_w32 ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # See func_convert_path_msys_to_w32:
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"`
+ func_convert_path_check : ";" \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+ fi
+}
+# end func_convert_path_cygwin_to_w32
+
+
+# func_convert_path_nix_to_w32 ARG
+# Convert path ARG from *nix to w32 format. Requires a wine environment and
+# a working winepath. Returns result in func_to_host_file_result.
+func_convert_path_nix_to_w32 ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # See func_convert_path_msys_to_w32:
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+ func_to_host_path_result="$func_convert_core_path_wine_to_w32_result"
+ func_convert_path_check : ";" \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" ";" "$1"
+ fi
+}
+# end func_convert_path_nix_to_w32
+
+
+# func_convert_path_msys_to_cygwin ARG
+# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set.
+# Returns result in func_to_host_file_result.
+func_convert_path_msys_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # See func_convert_path_msys_to_w32:
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_msys_to_w32 "$func_to_host_path_tmp1"
+ func_cygpath -u -p "$func_convert_core_msys_to_w32_result"
+ func_to_host_path_result="$func_cygpath_result"
+ func_convert_path_check : : \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+ fi
+}
+# end func_convert_path_msys_to_cygwin
+
+
+# func_convert_path_nix_to_cygwin ARG
+# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a
+# a wine environment, working winepath, and LT_CYGPATH set. Returns result in
+# func_to_host_file_result.
+func_convert_path_nix_to_cygwin ()
+{
+ $opt_debug
+ func_to_host_path_result="$1"
+ if test -n "$1"; then
+ # Remove leading and trailing path separator characters from
+ # ARG. msys behavior is inconsistent here, cygpath turns them
+ # into '.;' and ';.', and winepath ignores them completely.
+ func_stripname : : "$1"
+ func_to_host_path_tmp1=$func_stripname_result
+ func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1"
+ func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result"
+ func_to_host_path_result="$func_cygpath_result"
+ func_convert_path_check : : \
+ "$func_to_host_path_tmp1" "$func_to_host_path_result"
+ func_convert_path_front_back_pathsep ":*" "*:" : "$1"
+ fi
+}
+# end func_convert_path_nix_to_cygwin
+
+
+# func_mode_compile arg...
+func_mode_compile ()
+{
+ $opt_debug
+ # Get the compilation command and the source file.
+ base_compile=
+ srcfile="$nonopt" # always keep a non-empty value in "srcfile"
+ suppress_opt=yes
+ suppress_output=
+ arg_mode=normal
+ libobj=
+ later=
+ pie_flag=
+
+ for arg
+ do
+ case $arg_mode in
+ arg )
+ # do not "continue". Instead, add this to base_compile
+ lastarg="$arg"
+ arg_mode=normal
+ ;;
+
+ target )
+ libobj="$arg"
+ arg_mode=normal
+ continue
+ ;;
+
+ normal )
+ # Accept any command-line options.
+ case $arg in
+ -o)
+ test -n "$libobj" && \
+ func_fatal_error "you cannot specify \`-o' more than once"
+ arg_mode=target
+ continue
+ ;;
+
+ -pie | -fpie | -fPIE)
+ func_append pie_flag " $arg"
+ continue
+ ;;
+
+ -shared | -static | -prefer-pic | -prefer-non-pic)
+ func_append later " $arg"
+ continue
+ ;;
+
+ -no-suppress)
+ suppress_opt=no
+ continue
+ ;;
+
+ -Xcompiler)
+ arg_mode=arg # the next one goes into the "base_compile" arg list
+ continue # The current "srcfile" will either be retained or
+ ;; # replaced later. I would guess that would be a bug.
+
+ -Wc,*)
+ func_stripname '-Wc,' '' "$arg"
+ args=$func_stripname_result
+ lastarg=
+ save_ifs="$IFS"; IFS=','
+ for arg in $args; do
+ IFS="$save_ifs"
+ func_append_quoted lastarg "$arg"
+ done
+ IFS="$save_ifs"
+ func_stripname ' ' '' "$lastarg"
+ lastarg=$func_stripname_result
+
+ # Add the arguments to base_compile.
+ func_append base_compile " $lastarg"
+ continue
+ ;;
+
+ *)
+ # Accept the current argument as the source file.
+ # The previous "srcfile" becomes the current argument.
+ #
+ lastarg="$srcfile"
+ srcfile="$arg"
+ ;;
+ esac # case $arg
+ ;;
+ esac # case $arg_mode
+
+ # Aesthetically quote the previous argument.
+ func_append_quoted base_compile "$lastarg"
+ done # for arg
+
+ case $arg_mode in
+ arg)
+ func_fatal_error "you must specify an argument for -Xcompile"
+ ;;
+ target)
+ func_fatal_error "you must specify a target with \`-o'"
+ ;;
+ *)
+ # Get the name of the library object.
+ test -z "$libobj" && {
+ func_basename "$srcfile"
+ libobj="$func_basename_result"
+ }
+ ;;
+ esac
+
+ # Recognize several different file suffixes.
+ # If the user specifies -o file.o, it is replaced with file.lo
+ case $libobj in
+ *.[cCFSifmso] | \
+ *.ada | *.adb | *.ads | *.asm | \
+ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \
+ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup)
+ func_xform "$libobj"
+ libobj=$func_xform_result
+ ;;
+ esac
+
+ case $libobj in
+ *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;;
+ *)
+ func_fatal_error "cannot determine name of library object from \`$libobj'"
+ ;;
+ esac
+
+ func_infer_tag $base_compile
+
+ for arg in $later; do
+ case $arg in
+ -shared)
+ test "$build_libtool_libs" != yes && \
+ func_fatal_configuration "can not build a shared library"
+ build_old_libs=no
+ continue
+ ;;
+
+ -static)
+ build_libtool_libs=no
+ build_old_libs=yes
+ continue
+ ;;
+
+ -prefer-pic)
+ pic_mode=yes
+ continue
+ ;;
+
+ -prefer-non-pic)
+ pic_mode=no
+ continue
+ ;;
+ esac
+ done
+
+ func_quote_for_eval "$libobj"
+ test "X$libobj" != "X$func_quote_for_eval_result" \
+ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \
+ && func_warning "libobj name \`$libobj' may not contain shell special characters."
+ func_dirname_and_basename "$obj" "/" ""
+ objname="$func_basename_result"
+ xdir="$func_dirname_result"
+ lobj=${xdir}$objdir/$objname
+
+ test -z "$base_compile" && \
+ func_fatal_help "you must specify a compilation command"
+
+ # Delete any leftover library objects.
+ if test "$build_old_libs" = yes; then
+ removelist="$obj $lobj $libobj ${libobj}T"
+ else
+ removelist="$lobj $libobj ${libobj}T"
+ fi
+
+ # On Cygwin there's no "real" PIC flag so we must build both object types
+ case $host_os in
+ cygwin* | mingw* | pw32* | os2* | cegcc*)
+ pic_mode=default
+ ;;
+ esac
+ if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
+ # non-PIC code in shared libraries is not supported
+ pic_mode=default
+ fi
+
+ # Calculate the filename of the output object if compiler does
+ # not support -o with -c
+ if test "$compiler_c_o" = no; then
+ output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext}
+ lockfile="$output_obj.lock"
+ else
+ output_obj=
+ need_locks=no
+ lockfile=
+ fi
+
+ # Lock this critical section if it is needed
+ # We use this script file to make the link, it avoids creating a new file
+ if test "$need_locks" = yes; then
+ until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+ func_echo "Waiting for $lockfile to be removed"
+ sleep 2
+ done
+ elif test "$need_locks" = warn; then
+ if test -f "$lockfile"; then
+ $ECHO "\
+*** ERROR, $lockfile exists and contains:
+`cat $lockfile 2>/dev/null`
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $opt_dry_run || $RM $removelist
+ exit $EXIT_FAILURE
+ fi
+ func_append removelist " $output_obj"
+ $ECHO "$srcfile" > "$lockfile"
+ fi
+
+ $opt_dry_run || $RM $removelist
+ func_append removelist " $lockfile"
+ trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15
+
+ func_to_tool_file "$srcfile" func_convert_file_msys_to_w32
+ srcfile=$func_to_tool_file_result
+ func_quote_for_eval "$srcfile"
+ qsrcfile=$func_quote_for_eval_result
+
+ # Only build a PIC object if we are building libtool libraries.
+ if test "$build_libtool_libs" = yes; then
+ # Without this assignment, base_compile gets emptied.
+ fbsd_hideous_sh_bug=$base_compile
+
+ if test "$pic_mode" != no; then
+ command="$base_compile $qsrcfile $pic_flag"
+ else
+ # Don't build PIC code
+ command="$base_compile $qsrcfile"
+ fi
+
+ func_mkdir_p "$xdir$objdir"
+
+ if test -z "$output_obj"; then
+ # Place PIC objects in $objdir
+ func_append command " -o $lobj"
+ fi
+
+ func_show_eval_locale "$command" \
+ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE'
+
+ if test "$need_locks" = warn &&
+ test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+ $ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $opt_dry_run || $RM $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ # Just move the object if needed, then go on to compile the next one
+ if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
+ func_show_eval '$MV "$output_obj" "$lobj"' \
+ 'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+ fi
+
+ # Allow error messages only from the first compilation.
+ if test "$suppress_opt" = yes; then
+ suppress_output=' >/dev/null 2>&1'
+ fi
+ fi
+
+ # Only build a position-dependent object if we build old libraries.
+ if test "$build_old_libs" = yes; then
+ if test "$pic_mode" != yes; then
+ # Don't build PIC code
+ command="$base_compile $qsrcfile$pie_flag"
+ else
+ command="$base_compile $qsrcfile $pic_flag"
+ fi
+ if test "$compiler_c_o" = yes; then
+ func_append command " -o $obj"
+ fi
+
+ # Suppress compiler output if we already did a PIC compilation.
+ func_append command "$suppress_output"
+ func_show_eval_locale "$command" \
+ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE'
+
+ if test "$need_locks" = warn &&
+ test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
+ $ECHO "\
+*** ERROR, $lockfile contains:
+`cat $lockfile 2>/dev/null`
+
+but it should contain:
+$srcfile
+
+This indicates that another process is trying to use the same
+temporary object file, and libtool could not work around it because
+your compiler does not support \`-c' and \`-o' together. If you
+repeat this compilation, it may succeed, by chance, but you had better
+avoid parallel builds (make -j) in this platform, or get a better
+compiler."
+
+ $opt_dry_run || $RM $removelist
+ exit $EXIT_FAILURE
+ fi
+
+ # Just move the object if needed
+ if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
+ func_show_eval '$MV "$output_obj" "$obj"' \
+ 'error=$?; $opt_dry_run || $RM $removelist; exit $error'
+ fi
+ fi
+
+ $opt_dry_run || {
+ func_write_libtool_object "$libobj" "$objdir/$objname" "$objname"
+
+ # Unlock the critical section if it was locked
+ if test "$need_locks" != no; then
+ removelist=$lockfile
+ $RM "$lockfile"
+ fi
+ }
+
+ exit $EXIT_SUCCESS
+}
+
+$opt_help || {
+ test "$opt_mode" = compile && func_mode_compile ${1+"$@"}
+}
+
+func_mode_help ()
+{
+ # We need to display help for each of the modes.
+ case $opt_mode in
+ "")
+ # Generic help is extracted from the usage comments
+ # at the start of this file.
+ func_help
+ ;;
+
+ clean)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE...
+
+Remove files from the build directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, object or program, all the files associated
+with it are deleted. Otherwise, only FILE itself is deleted using RM."
+ ;;
+
+ compile)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE
+
+Compile a source file into a libtool library object.
+
+This mode accepts the following additional options:
+
+ -o OUTPUT-FILE set the output file name to OUTPUT-FILE
+ -no-suppress do not suppress compiler output for multiple passes
+ -prefer-pic try to build PIC objects only
+ -prefer-non-pic try to build non-PIC objects only
+ -shared do not build a \`.o' file suitable for static linking
+ -static only build a \`.o' file suitable for static linking
+ -Wc,FLAG pass FLAG directly to the compiler
+
+COMPILE-COMMAND is a command to be used in creating a \`standard' object file
+from the given SOURCEFILE.
+
+The output file name is determined by removing the directory component from
+SOURCEFILE, then substituting the C source code suffix \`.c' with the
+library object suffix, \`.lo'."
+ ;;
+
+ execute)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]...
+
+Automatically set library path, then run a program.
+
+This mode accepts the following additional options:
+
+ -dlopen FILE add the directory containing FILE to the library path
+
+This mode sets the library path environment variable according to \`-dlopen'
+flags.
+
+If any of the ARGS are libtool executable wrappers, then they are translated
+into their corresponding uninstalled binary, and any of their required library
+directories are added to the library path.
+
+Then, COMMAND is executed, with ARGS as arguments."
+ ;;
+
+ finish)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=finish [LIBDIR]...
+
+Complete the installation of libtool libraries.
+
+Each LIBDIR is a directory that contains libtool libraries.
+
+The commands that this mode executes may require superuser privileges. Use
+the \`--dry-run' option if you just want to see what would be executed."
+ ;;
+
+ install)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND...
+
+Install executables or libraries.
+
+INSTALL-COMMAND is the installation command. The first component should be
+either the \`install' or \`cp' program.
+
+The following components of INSTALL-COMMAND are treated specially:
+
+ -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation
+
+The rest of the components are interpreted as arguments to that command (only
+BSD-compatible install options are recognized)."
+ ;;
+
+ link)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=link LINK-COMMAND...
+
+Link object files or libraries together to form another library, or to
+create an executable program.
+
+LINK-COMMAND is a command using the C compiler that you would use to create
+a program from several object files.
+
+The following components of LINK-COMMAND are treated specially:
+
+ -all-static do not do any dynamic linking at all
+ -avoid-version do not add a version suffix if possible
+ -bindir BINDIR specify path to binaries directory (for systems where
+ libraries must be found in the PATH setting at runtime)
+ -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime
+ -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols
+ -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3)
+ -export-symbols SYMFILE
+ try to export only the symbols listed in SYMFILE
+ -export-symbols-regex REGEX
+ try to export only the symbols matching REGEX
+ -LLIBDIR search LIBDIR for required installed libraries
+ -lNAME OUTPUT-FILE requires the installed library libNAME
+ -module build a library that can dlopened
+ -no-fast-install disable the fast-install mode
+ -no-install link a not-installable executable
+ -no-undefined declare that a library does not refer to external symbols
+ -o OUTPUT-FILE create OUTPUT-FILE from the specified objects
+ -objectlist FILE Use a list of object files found in FILE to specify objects
+ -precious-files-regex REGEX
+ don't remove output files matching REGEX
+ -release RELEASE specify package release information
+ -rpath LIBDIR the created library will eventually be installed in LIBDIR
+ -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries
+ -shared only do dynamic linking of libtool libraries
+ -shrext SUFFIX override the standard shared library file extension
+ -static do not do any dynamic linking of uninstalled libtool libraries
+ -static-libtool-libs
+ do not do any dynamic linking of libtool libraries
+ -version-info CURRENT[:REVISION[:AGE]]
+ specify library version info [each variable defaults to 0]
+ -weak LIBNAME declare that the target provides the LIBNAME interface
+ -Wc,FLAG
+ -Xcompiler FLAG pass linker-specific FLAG directly to the compiler
+ -Wl,FLAG
+ -Xlinker FLAG pass linker-specific FLAG directly to the linker
+ -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC)
+
+All other options (arguments beginning with \`-') are ignored.
+
+Every other argument is treated as a filename. Files ending in \`.la' are
+treated as uninstalled libtool libraries, other files are standard or library
+object files.
+
+If the OUTPUT-FILE ends in \`.la', then a libtool library is created,
+only library objects (\`.lo' files) may be specified, and \`-rpath' is
+required, except when creating a convenience library.
+
+If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created
+using \`ar' and \`ranlib', or on Windows using \`lib'.
+
+If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file
+is created, otherwise an executable program is created."
+ ;;
+
+ uninstall)
+ $ECHO \
+"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE...
+
+Remove libraries from an installation directory.
+
+RM is the name of the program to use to delete files associated with each FILE
+(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed
+to RM.
+
+If FILE is a libtool library, all the files associated with it are deleted.
+Otherwise, only FILE itself is deleted using RM."
+ ;;
+
+ *)
+ func_fatal_help "invalid operation mode \`$opt_mode'"
+ ;;
+ esac
+
+ echo
+ $ECHO "Try \`$progname --help' for more information about other modes."
+}
+
+# Now that we've collected a possible --mode arg, show help if necessary
+if $opt_help; then
+ if test "$opt_help" = :; then
+ func_mode_help
+ else
+ {
+ func_help noexit
+ for opt_mode in compile link execute install finish uninstall clean; do
+ func_mode_help
+ done
+ } | sed -n '1p; 2,$s/^Usage:/ or: /p'
+ {
+ func_help noexit
+ for opt_mode in compile link execute install finish uninstall clean; do
+ echo
+ func_mode_help
+ done
+ } |
+ sed '1d
+ /^When reporting/,/^Report/{
+ H
+ d
+ }
+ $x
+ /information about other modes/d
+ /more detailed .*MODE/d
+ s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/'
+ fi
+ exit $?
+fi
+
+
+# func_mode_execute arg...
+func_mode_execute ()
+{
+ $opt_debug
+ # The first argument is the command name.
+ cmd="$nonopt"
+ test -z "$cmd" && \
+ func_fatal_help "you must specify a COMMAND"
+
+ # Handle -dlopen flags immediately.
+ for file in $opt_dlopen; do
+ test -f "$file" \
+ || func_fatal_help "\`$file' is not a file"
+
+ dir=
+ case $file in
+ *.la)
+ func_resolve_sysroot "$file"
+ file=$func_resolve_sysroot_result
+
+ # Check to see that this really is a libtool archive.
+ func_lalib_unsafe_p "$file" \
+ || func_fatal_help "\`$lib' is not a valid libtool archive"
+
+ # Read the libtool library.
+ dlname=
+ library_names=
+ func_source "$file"
+
+ # Skip this library if it cannot be dlopened.
+ if test -z "$dlname"; then
+ # Warn if it was a shared library.
+ test -n "$library_names" && \
+ func_warning "\`$file' was not linked with \`-export-dynamic'"
+ continue
+ fi
+
+ func_dirname "$file" "" "."
+ dir="$func_dirname_result"
+
+ if test -f "$dir/$objdir/$dlname"; then
+ func_append dir "/$objdir"
+ else
+ if test ! -f "$dir/$dlname"; then
+ func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'"
+ fi
+ fi
+ ;;
+
+ *.lo)
+ # Just add the directory containing the .lo file.
+ func_dirname "$file" "" "."
+ dir="$func_dirname_result"
+ ;;
+
+ *)
+ func_warning "\`-dlopen' is ignored for non-libtool libraries and objects"
+ continue
+ ;;
+ esac
+
+ # Get the absolute pathname.
+ absdir=`cd "$dir" && pwd`
+ test -n "$absdir" && dir="$absdir"
+
+ # Now add the directory to shlibpath_var.
+ if eval "test -z \"\$$shlibpath_var\""; then
+ eval "$shlibpath_var=\"\$dir\""
+ else
+ eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\""
+ fi
+ done
+
+ # This variable tells wrapper scripts just to set shlibpath_var
+ # rather than running their programs.
+ libtool_execute_magic="$magic"
+
+ # Check if any of the arguments is a wrapper script.
+ args=
+ for file
+ do
+ case $file in
+ -* | *.la | *.lo ) ;;
+ *)
+ # Do a test to see if this is really a libtool program.
+ if func_ltwrapper_script_p "$file"; then
+ func_source "$file"
+ # Transform arg to wrapped name.
+ file="$progdir/$program"
+ elif func_ltwrapper_executable_p "$file"; then
+ func_ltwrapper_scriptname "$file"
+ func_source "$func_ltwrapper_scriptname_result"
+ # Transform arg to wrapped name.
+ file="$progdir/$program"
+ fi
+ ;;
+ esac
+ # Quote arguments (to preserve shell metacharacters).
+ func_append_quoted args "$file"
+ done
+
+ if test "X$opt_dry_run" = Xfalse; then
+ if test -n "$shlibpath_var"; then
+ # Export the shlibpath_var.
+ eval "export $shlibpath_var"
+ fi
+
+ # Restore saved environment variables
+ for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES
+ do
+ eval "if test \"\${save_$lt_var+set}\" = set; then
+ $lt_var=\$save_$lt_var; export $lt_var
+ else
+ $lt_unset $lt_var
+ fi"
+ done
+
+ # Now prepare to actually exec the command.
+ exec_cmd="\$cmd$args"
+ else
+ # Display what would be done.
+ if test -n "$shlibpath_var"; then
+ eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\""
+ echo "export $shlibpath_var"
+ fi
+ $ECHO "$cmd$args"
+ exit $EXIT_SUCCESS
+ fi
+}
+
+test "$opt_mode" = execute && func_mode_execute ${1+"$@"}
+
+
+# func_mode_finish arg...
+func_mode_finish ()
+{
+ $opt_debug
+ libs=
+ libdirs=
+ admincmds=
+
+ for opt in "$nonopt" ${1+"$@"}
+ do
+ if test -d "$opt"; then
+ func_append libdirs " $opt"
+
+ elif test -f "$opt"; then
+ if func_lalib_unsafe_p "$opt"; then
+ func_append libs " $opt"
+ else
+ func_warning "\`$opt' is not a valid libtool archive"
+ fi
+
+ else
+ func_fatal_error "invalid argument \`$opt'"
+ fi
+ done
+
+ if test -n "$libs"; then
+ if test -n "$lt_sysroot"; then
+ sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"`
+ sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;"
+ else
+ sysroot_cmd=
+ fi
+
+ # Remove sysroot references
+ if $opt_dry_run; then
+ for lib in $libs; do
+ echo "removing references to $lt_sysroot and \`=' prefixes from $lib"
+ done
+ else
+ tmpdir=`func_mktempdir`
+ for lib in $libs; do
+ sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \
+ > $tmpdir/tmp-la
+ mv -f $tmpdir/tmp-la $lib
+ done
+ ${RM}r "$tmpdir"
+ fi
+ fi
+
+ if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+ for libdir in $libdirs; do
+ if test -n "$finish_cmds"; then
+ # Do each command in the finish commands.
+ func_execute_cmds "$finish_cmds" 'admincmds="$admincmds
+'"$cmd"'"'
+ fi
+ if test -n "$finish_eval"; then
+ # Do the single finish_eval.
+ eval cmds=\"$finish_eval\"
+ $opt_dry_run || eval "$cmds" || func_append admincmds "
+ $cmds"
+ fi
+ done
+ fi
+
+ # Exit here if they wanted silent mode.
+ $opt_silent && exit $EXIT_SUCCESS
+
+ if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then
+ echo "----------------------------------------------------------------------"
+ echo "Libraries have been installed in:"
+ for libdir in $libdirs; do
+ $ECHO " $libdir"
+ done
+ echo
+ echo "If you ever happen to want to link against installed libraries"
+ echo "in a given directory, LIBDIR, you must either use libtool, and"
+ echo "specify the full pathname of the library, or use the \`-LLIBDIR'"
+ echo "flag during linking and do at least one of the following:"
+ if test -n "$shlibpath_var"; then
+ echo " - add LIBDIR to the \`$shlibpath_var' environment variable"
+ echo " during execution"
+ fi
+ if test -n "$runpath_var"; then
+ echo " - add LIBDIR to the \`$runpath_var' environment variable"
+ echo " during linking"
+ fi
+ if test -n "$hardcode_libdir_flag_spec"; then
+ libdir=LIBDIR
+ eval flag=\"$hardcode_libdir_flag_spec\"
+
+ $ECHO " - use the \`$flag' linker flag"
+ fi
+ if test -n "$admincmds"; then
+ $ECHO " - have your system administrator run these commands:$admincmds"
+ fi
+ if test -f /etc/ld.so.conf; then
+ echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'"
+ fi
+ echo
+
+ echo "See any operating system documentation about shared libraries for"
+ case $host in
+ solaris2.[6789]|solaris2.1[0-9])
+ echo "more information, such as the ld(1), crle(1) and ld.so(8) manual"
+ echo "pages."
+ ;;
+ *)
+ echo "more information, such as the ld(1) and ld.so(8) manual pages."
+ ;;
+ esac
+ echo "----------------------------------------------------------------------"
+ fi
+ exit $EXIT_SUCCESS
+}
+
+test "$opt_mode" = finish && func_mode_finish ${1+"$@"}
+
+
+# func_mode_install arg...
+func_mode_install ()
+{
+ $opt_debug
+ # There may be an optional sh(1) argument at the beginning of
+ # install_prog (especially on Windows NT).
+ if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh ||
+ # Allow the use of GNU shtool's install command.
+ case $nonopt in *shtool*) :;; *) false;; esac; then
+ # Aesthetically quote it.
+ func_quote_for_eval "$nonopt"
+ install_prog="$func_quote_for_eval_result "
+ arg=$1
+ shift
+ else
+ install_prog=
+ arg=$nonopt
+ fi
+
+ # The real first argument should be the name of the installation program.
+ # Aesthetically quote it.
+ func_quote_for_eval "$arg"
+ func_append install_prog "$func_quote_for_eval_result"
+ install_shared_prog=$install_prog
+ case " $install_prog " in
+ *[\\\ /]cp\ *) install_cp=: ;;
+ *) install_cp=false ;;
+ esac
+
+ # We need to accept at least all the BSD install flags.
+ dest=
+ files=
+ opts=
+ prev=
+ install_type=
+ isdir=no
+ stripme=
+ no_mode=:
+ for arg
+ do
+ arg2=
+ if test -n "$dest"; then
+ func_append files " $dest"
+ dest=$arg
+ continue
+ fi
+
+ case $arg in
+ -d) isdir=yes ;;
+ -f)
+ if $install_cp; then :; else
+ prev=$arg
+ fi
+ ;;
+ -g | -m | -o)
+ prev=$arg
+ ;;
+ -s)
+ stripme=" -s"
+ continue
+ ;;
+ -*)
+ ;;
+ *)
+ # If the previous option needed an argument, then skip it.
+ if test -n "$prev"; then
+ if test "x$prev" = x-m && test -n "$install_override_mode"; then
+ arg2=$install_override_mode
+ no_mode=false
+ fi
+ prev=
+ else
+ dest=$arg
+ continue
+ fi
+ ;;
+ esac
+
+ # Aesthetically quote the argument.
+ func_quote_for_eval "$arg"
+ func_append install_prog " $func_quote_for_eval_result"
+ if test -n "$arg2"; then
+ func_quote_for_eval "$arg2"
+ fi
+ func_append install_shared_prog " $func_quote_for_eval_result"
+ done
+
+ test -z "$install_prog" && \
+ func_fatal_help "you must specify an install program"
+
+ test -n "$prev" && \
+ func_fatal_help "the \`$prev' option requires an argument"
+
+ if test -n "$install_override_mode" && $no_mode; then
+ if $install_cp; then :; else
+ func_quote_for_eval "$install_override_mode"
+ func_append install_shared_prog " -m $func_quote_for_eval_result"
+ fi
+ fi
+
+ if test -z "$files"; then
+ if test -z "$dest"; then
+ func_fatal_help "no file or destination specified"
+ else
+ func_fatal_help "you must specify a destination"
+ fi
+ fi
+
+ # Strip any trailing slash from the destination.
+ func_stripname '' '/' "$dest"
+ dest=$func_stripname_result
+
+ # Check to see that the destination is a directory.
+ test -d "$dest" && isdir=yes
+ if test "$isdir" = yes; then
+ destdir="$dest"
+ destname=
+ else
+ func_dirname_and_basename "$dest" "" "."
+ destdir="$func_dirname_result"
+ destname="$func_basename_result"
+
+ # Not a directory, so check to see that there is only one file specified.
+ set dummy $files; shift
+ test "$#" -gt 1 && \
+ func_fatal_help "\`$dest' is not a directory"
+ fi
+ case $destdir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ for file in $files; do
+ case $file in
+ *.lo) ;;
+ *)
+ func_fatal_help "\`$destdir' must be an absolute directory name"
+ ;;
+ esac
+ done
+ ;;
+ esac
+
+ # This variable tells wrapper scripts just to set variables rather
+ # than running their programs.
+ libtool_install_magic="$magic"
+
+ staticlibs=
+ future_libdirs=
+ current_libdirs=
+ for file in $files; do
+
+ # Do each installation.
+ case $file in
+ *.$libext)
+ # Do the static libraries later.
+ func_append staticlibs " $file"
+ ;;
+
+ *.la)
+ func_resolve_sysroot "$file"
+ file=$func_resolve_sysroot_result
+
+ # Check to see that this really is a libtool archive.
+ func_lalib_unsafe_p "$file" \
+ || func_fatal_help "\`$file' is not a valid libtool archive"
+
+ library_names=
+ old_library=
+ relink_command=
+ func_source "$file"
+
+ # Add the libdir to current_libdirs if it is the destination.
+ if test "X$destdir" = "X$libdir"; then
+ case "$current_libdirs " in
+ *" $libdir "*) ;;
+ *) func_append current_libdirs " $libdir" ;;
+ esac
+ else
+ # Note the libdir as a future libdir.
+ case "$future_libdirs " in
+ *" $libdir "*) ;;
+ *) func_append future_libdirs " $libdir" ;;
+ esac
+ fi
+
+ func_dirname "$file" "/" ""
+ dir="$func_dirname_result"
+ func_append dir "$objdir"
+
+ if test -n "$relink_command"; then
+ # Determine the prefix the user has applied to our future dir.
+ inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"`
+
+ # Don't allow the user to place us outside of our expected
+ # location b/c this prevents finding dependent libraries that
+ # are installed to the same prefix.
+ # At present, this check doesn't affect windows .dll's that
+ # are installed into $libdir/../bin (currently, that works fine)
+ # but it's something to keep an eye on.
+ test "$inst_prefix_dir" = "$destdir" && \
+ func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir"
+
+ if test -n "$inst_prefix_dir"; then
+ # Stick the inst_prefix_dir data into the link command.
+ relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"`
+ else
+ relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"`
+ fi
+
+ func_warning "relinking \`$file'"
+ func_show_eval "$relink_command" \
+ 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"'
+ fi
+
+ # See the names of the shared library.
+ set dummy $library_names; shift
+ if test -n "$1"; then
+ realname="$1"
+ shift
+
+ srcname="$realname"
+ test -n "$relink_command" && srcname="$realname"T
+
+ # Install the shared library and build the symlinks.
+ func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \
+ 'exit $?'
+ tstripme="$stripme"
+ case $host_os in
+ cygwin* | mingw* | pw32* | cegcc*)
+ case $realname in
+ *.dll.a)
+ tstripme=""
+ ;;
+ esac
+ ;;
+ esac
+ if test -n "$tstripme" && test -n "$striplib"; then
+ func_show_eval "$striplib $destdir/$realname" 'exit $?'
+ fi
+
+ if test "$#" -gt 0; then
+ # Delete the old symlinks, and create new ones.
+ # Try `ln -sf' first, because the `ln' binary might depend on
+ # the symlink we replace! Solaris /bin/ln does not understand -f,
+ # so we also need to try rm && ln -s.
+ for linkname
+ do
+ test "$linkname" != "$realname" \
+ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })"
+ done
+ fi
+
+ # Do each command in the postinstall commands.
+ lib="$destdir/$realname"
+ func_execute_cmds "$postinstall_cmds" 'exit $?'
+ fi
+
+ # Install the pseudo-library for information purposes.
+ func_basename "$file"
+ name="$func_basename_result"
+ instname="$dir/$name"i
+ func_show_eval "$install_prog $instname $destdir/$name" 'exit $?'
+
+ # Maybe install the static library, too.
+ test -n "$old_library" && func_append staticlibs " $dir/$old_library"
+ ;;
+
+ *.lo)
+ # Install (i.e. copy) a libtool object.
+
+ # Figure out destination file name, if it wasn't already specified.
+ if test -n "$destname"; then
+ destfile="$destdir/$destname"
+ else
+ func_basename "$file"
+ destfile="$func_basename_result"
+ destfile="$destdir/$destfile"
+ fi
+
+ # Deduce the name of the destination old-style object file.
+ case $destfile in
+ *.lo)
+ func_lo2o "$destfile"
+ staticdest=$func_lo2o_result
+ ;;
+ *.$objext)
+ staticdest="$destfile"
+ destfile=
+ ;;
+ *)
+ func_fatal_help "cannot copy a libtool object to \`$destfile'"
+ ;;
+ esac
+
+ # Install the libtool object if requested.
+ test -n "$destfile" && \
+ func_show_eval "$install_prog $file $destfile" 'exit $?'
+
+ # Install the old object if enabled.
+ if test "$build_old_libs" = yes; then
+ # Deduce the name of the old-style object file.
+ func_lo2o "$file"
+ staticobj=$func_lo2o_result
+ func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?'
+ fi
+ exit $EXIT_SUCCESS
+ ;;
+
+ *)
+ # Figure out destination file name, if it wasn't already specified.
+ if test -n "$destname"; then
+ destfile="$destdir/$destname"
+ else
+ func_basename "$file"
+ destfile="$func_basename_result"
+ destfile="$destdir/$destfile"
+ fi
+
+ # If the file is missing, and there is a .exe on the end, strip it
+ # because it is most likely a libtool script we actually want to
+ # install
+ stripped_ext=""
+ case $file in
+ *.exe)
+ if test ! -f "$file"; then
+ func_stripname '' '.exe' "$file"
+ file=$func_stripname_result
+ stripped_ext=".exe"
+ fi
+ ;;
+ esac
+
+ # Do a test to see if this is really a libtool program.
+ case $host in
+ *cygwin* | *mingw*)
+ if func_ltwrapper_executable_p "$file"; then
+ func_ltwrapper_scriptname "$file"
+ wrapper=$func_ltwrapper_scriptname_result
+ else
+ func_stripname '' '.exe' "$file"
+ wrapper=$func_stripname_result
+ fi
+ ;;
+ *)
+ wrapper=$file
+ ;;
+ esac
+ if func_ltwrapper_script_p "$wrapper"; then
+ notinst_deplibs=
+ relink_command=
+
+ func_source "$wrapper"
+
+ # Check the variables that should have been set.
+ test -z "$generated_by_libtool_version" && \
+ func_fatal_error "invalid libtool wrapper script \`$wrapper'"
+
+ finalize=yes
+ for lib in $notinst_deplibs; do
+ # Check to see that each library is installed.
+ libdir=
+ if test -f "$lib"; then
+ func_source "$lib"
+ fi
+ libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test
+ if test -n "$libdir" && test ! -f "$libfile"; then
+ func_warning "\`$lib' has not been installed in \`$libdir'"
+ finalize=no
+ fi
+ done
+
+ relink_command=
+ func_source "$wrapper"
+
+ outputname=
+ if test "$fast_install" = no && test -n "$relink_command"; then
+ $opt_dry_run || {
+ if test "$finalize" = yes; then
+ tmpdir=`func_mktempdir`
+ func_basename "$file$stripped_ext"
+ file="$func_basename_result"
+ outputname="$tmpdir/$file"
+ # Replace the output file specification.
+ relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
+
+ $opt_silent || {
+ func_quote_for_expand "$relink_command"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+ if eval "$relink_command"; then :
+ else
+ func_error "error: relink \`$file' with the above command before installing it"
+ $opt_dry_run || ${RM}r "$tmpdir"
+ continue
+ fi
+ file="$outputname"
+ else
+ func_warning "cannot relink \`$file'"
+ fi
+ }
+ else
+ # Install the binary that we compiled earlier.
+ file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"`
+ fi
+ fi
+
+ # remove .exe since cygwin /usr/bin/install will append another
+ # one anyway
+ case $install_prog,$host in
+ */usr/bin/install*,*cygwin*)
+ case $file:$destfile in
+ *.exe:*.exe)
+ # this is ok
+ ;;
+ *.exe:*)
+ destfile=$destfile.exe
+ ;;
+ *:*.exe)
+ func_stripname '' '.exe' "$destfile"
+ destfile=$func_stripname_result
+ ;;
+ esac
+ ;;
+ esac
+ func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?'
+ $opt_dry_run || if test -n "$outputname"; then
+ ${RM}r "$tmpdir"
+ fi
+ ;;
+ esac
+ done
+
+ for file in $staticlibs; do
+ func_basename "$file"
+ name="$func_basename_result"
+
+ # Set up the ranlib parameters.
+ oldlib="$destdir/$name"
+ func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+ tool_oldlib=$func_to_tool_file_result
+
+ func_show_eval "$install_prog \$file \$oldlib" 'exit $?'
+
+ if test -n "$stripme" && test -n "$old_striplib"; then
+ func_show_eval "$old_striplib $tool_oldlib" 'exit $?'
+ fi
+
+ # Do each command in the postinstall commands.
+ func_execute_cmds "$old_postinstall_cmds" 'exit $?'
+ done
+
+ test -n "$future_libdirs" && \
+ func_warning "remember to run \`$progname --finish$future_libdirs'"
+
+ if test -n "$current_libdirs"; then
+ # Maybe just do a dry run.
+ $opt_dry_run && current_libdirs=" -n$current_libdirs"
+ exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs'
+ else
+ exit $EXIT_SUCCESS
+ fi
+}
+
+test "$opt_mode" = install && func_mode_install ${1+"$@"}
+
+
+# func_generate_dlsyms outputname originator pic_p
+# Extract symbols from dlprefiles and create ${outputname}S.o with
+# a dlpreopen symbol table.
+func_generate_dlsyms ()
+{
+ $opt_debug
+ my_outputname="$1"
+ my_originator="$2"
+ my_pic_p="${3-no}"
+ my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'`
+ my_dlsyms=
+
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ if test -n "$NM" && test -n "$global_symbol_pipe"; then
+ my_dlsyms="${my_outputname}S.c"
+ else
+ func_error "not configured to extract global symbols from dlpreopened files"
+ fi
+ fi
+
+ if test -n "$my_dlsyms"; then
+ case $my_dlsyms in
+ "") ;;
+ *.c)
+ # Discover the nlist of each of the dlfiles.
+ nlist="$output_objdir/${my_outputname}.nm"
+
+ func_show_eval "$RM $nlist ${nlist}S ${nlist}T"
+
+ # Parse the name list into a source file.
+ func_verbose "creating $output_objdir/$my_dlsyms"
+
+ $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\
+/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */
+/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif
+
+#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4))
+#pragma GCC diagnostic ignored \"-Wstrict-prototypes\"
+#endif
+
+/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
+/* DATA imports from DLLs on WIN32 con't be const, because runtime
+ relocations are performed -- see ld's documentation on pseudo-relocs. */
+# define LT_DLSYM_CONST
+#elif defined(__osf__)
+/* This system does not cope well with relocations in const data. */
+# define LT_DLSYM_CONST
+#else
+# define LT_DLSYM_CONST const
+#endif
+
+/* External symbol declarations for the compiler. */\
+"
+
+ if test "$dlself" = yes; then
+ func_verbose "generating symbol list for \`$output'"
+
+ $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist"
+
+ # Add our own program objects to the symbol list.
+ progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ for progfile in $progfiles; do
+ func_to_tool_file "$progfile" func_convert_file_msys_to_w32
+ func_verbose "extracting global C symbols from \`$func_to_tool_file_result'"
+ $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'"
+ done
+
+ if test -n "$exclude_expsyms"; then
+ $opt_dry_run || {
+ eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T'
+ eval '$MV "$nlist"T "$nlist"'
+ }
+ fi
+
+ if test -n "$export_symbols_regex"; then
+ $opt_dry_run || {
+ eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T'
+ eval '$MV "$nlist"T "$nlist"'
+ }
+ fi
+
+ # Prepare the list of exported symbols
+ if test -z "$export_symbols"; then
+ export_symbols="$output_objdir/$outputname.exp"
+ $opt_dry_run || {
+ $RM $export_symbols
+ eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+ eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"'
+ ;;
+ esac
+ }
+ else
+ $opt_dry_run || {
+ eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
+ eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
+ eval '$MV "$nlist"T "$nlist"'
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ eval "echo EXPORTS "'> "$output_objdir/$outputname.def"'
+ eval 'cat "$nlist" >> "$output_objdir/$outputname.def"'
+ ;;
+ esac
+ }
+ fi
+ fi
+
+ for dlprefile in $dlprefiles; do
+ func_verbose "extracting global C symbols from \`$dlprefile'"
+ func_basename "$dlprefile"
+ name="$func_basename_result"
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ # if an import library, we need to obtain dlname
+ if func_win32_import_lib_p "$dlprefile"; then
+ func_tr_sh "$dlprefile"
+ eval "curr_lafile=\$libfile_$func_tr_sh_result"
+ dlprefile_dlbasename=""
+ if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then
+ # Use subshell, to avoid clobbering current variable values
+ dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"`
+ if test -n "$dlprefile_dlname" ; then
+ func_basename "$dlprefile_dlname"
+ dlprefile_dlbasename="$func_basename_result"
+ else
+ # no lafile. user explicitly requested -dlpreopen <import library>.
+ $sharedlib_from_linklib_cmd "$dlprefile"
+ dlprefile_dlbasename=$sharedlib_from_linklib_result
+ fi
+ fi
+ $opt_dry_run || {
+ if test -n "$dlprefile_dlbasename" ; then
+ eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"'
+ else
+ func_warning "Could not compute DLL name from $name"
+ eval '$ECHO ": $name " >> "$nlist"'
+ fi
+ func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+ eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe |
+ $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'"
+ }
+ else # not an import lib
+ $opt_dry_run || {
+ eval '$ECHO ": $name " >> "$nlist"'
+ func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+ eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+ }
+ fi
+ ;;
+ *)
+ $opt_dry_run || {
+ eval '$ECHO ": $name " >> "$nlist"'
+ func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32
+ eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'"
+ }
+ ;;
+ esac
+ done
+
+ $opt_dry_run || {
+ # Make sure we have at least an empty file.
+ test -f "$nlist" || : > "$nlist"
+
+ if test -n "$exclude_expsyms"; then
+ $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T
+ $MV "$nlist"T "$nlist"
+ fi
+
+ # Try sorting and uniquifying the output.
+ if $GREP -v "^: " < "$nlist" |
+ if sort -k 3 </dev/null >/dev/null 2>&1; then
+ sort -k 3
+ else
+ sort +2
+ fi |
+ uniq > "$nlist"S; then
+ :
+ else
+ $GREP -v "^: " < "$nlist" > "$nlist"S
+ fi
+
+ if test -f "$nlist"S; then
+ eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"'
+ else
+ echo '/* NONE */' >> "$output_objdir/$my_dlsyms"
+ fi
+
+ echo >> "$output_objdir/$my_dlsyms" "\
+
+/* The mapping between symbol names and symbols. */
+typedef struct {
+ const char *name;
+ void *address;
+} lt_dlsymlist;
+extern LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[];
+LT_DLSYM_CONST lt_dlsymlist
+lt_${my_prefix}_LTX_preloaded_symbols[] =
+{\
+ { \"$my_originator\", (void *) 0 },"
+
+ case $need_lib_prefix in
+ no)
+ eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"
+ ;;
+ *)
+ eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms"
+ ;;
+ esac
+ echo >> "$output_objdir/$my_dlsyms" "\
+ {0, (void *) 0}
+};
+
+/* This works around a problem in FreeBSD linker */
+#ifdef FREEBSD_WORKAROUND
+static const void *lt_preloaded_setup() {
+ return lt_${my_prefix}_LTX_preloaded_symbols;
+}
+#endif
+
+#ifdef __cplusplus
+}
+#endif\
+"
+ } # !$opt_dry_run
+
+ pic_flag_for_symtable=
+ case "$compile_command " in
+ *" -static "*) ;;
+ *)
+ case $host in
+ # compiling the symbol table file with pic_flag works around
+ # a FreeBSD bug that causes programs to crash when -lm is
+ # linked before any other PIC object. But we must not use
+ # pic_flag when linking with -static. The problem exists in
+ # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
+ *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
+ pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
+ *-*-hpux*)
+ pic_flag_for_symtable=" $pic_flag" ;;
+ *)
+ if test "X$my_pic_p" != Xno; then
+ pic_flag_for_symtable=" $pic_flag"
+ fi
+ ;;
+ esac
+ ;;
+ esac
+ symtab_cflags=
+ for arg in $LTCFLAGS; do
+ case $arg in
+ -pie | -fpie | -fPIE) ;;
+ *) func_append symtab_cflags " $arg" ;;
+ esac
+ done
+
+ # Now compile the dynamic symbol file.
+ func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'
+
+ # Clean up the generated files.
+ func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'
+
+ # Transform the symbol file into the correct name.
+ symfileobj="$output_objdir/${my_outputname}S.$objext"
+ case $host in
+ *cygwin* | *mingw* | *cegcc* )
+ if test -f "$output_objdir/$my_outputname.def"; then
+ compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
+ else
+ compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ fi
+ ;;
+ *)
+ compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"`
+ ;;
+ esac
+ ;;
+ *)
+ func_fatal_error "unknown suffix for \`$my_dlsyms'"
+ ;;
+ esac
+ else
+ # We keep going just in case the user didn't refer to
+ # lt_preloaded_symbols. The linker will fail if global_symbol_pipe
+ # really was required.
+
+ # Nullify the symbol file.
+ compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"`
+ finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"`
+ fi
+}
+
+# func_win32_libid arg
+# return the library type of file 'arg'
+#
+# Need a lot of goo to handle *both* DLLs and import libs
+# Has to be a shell function in order to 'eat' the argument
+# that is supplied when $file_magic_command is called.
+# Despite the name, also deal with 64 bit binaries.
+func_win32_libid ()
+{
+ $opt_debug
+ win32_libid_type="unknown"
+ win32_fileres=`file -L $1 2>/dev/null`
+ case $win32_fileres in
+ *ar\ archive\ import\ library*) # definitely import
+ win32_libid_type="x86 archive import"
+ ;;
+ *ar\ archive*) # could be an import, or static
+ # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD.
+ if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null |
+ $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then
+ func_to_tool_file "$1" func_convert_file_msys_to_w32
+ win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" |
+ $SED -n -e '
+ 1,100{
+ / I /{
+ s,.*,import,
+ p
+ q
+ }
+ }'`
+ case $win32_nmres in
+ import*) win32_libid_type="x86 archive import";;
+ *) win32_libid_type="x86 archive static";;
+ esac
+ fi
+ ;;
+ *DLL*)
+ win32_libid_type="x86 DLL"
+ ;;
+ *executable*) # but shell scripts are "executable" too...
+ case $win32_fileres in
+ *MS\ Windows\ PE\ Intel*)
+ win32_libid_type="x86 DLL"
+ ;;
+ esac
+ ;;
+ esac
+ $ECHO "$win32_libid_type"
+}
+
+# func_cygming_dll_for_implib ARG
+#
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+# Invoked by eval'ing the libtool variable
+# $sharedlib_from_linklib_cmd
+# Result is available in the variable
+# $sharedlib_from_linklib_result
+func_cygming_dll_for_implib ()
+{
+ $opt_debug
+ sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"`
+}
+
+# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs
+#
+# The is the core of a fallback implementation of a
+# platform-specific function to extract the name of the
+# DLL associated with the specified import library LIBNAME.
+#
+# SECTION_NAME is either .idata$6 or .idata$7, depending
+# on the platform and compiler that created the implib.
+#
+# Echos the name of the DLL associated with the
+# specified import library.
+func_cygming_dll_for_implib_fallback_core ()
+{
+ $opt_debug
+ match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"`
+ $OBJDUMP -s --section "$1" "$2" 2>/dev/null |
+ $SED '/^Contents of section '"$match_literal"':/{
+ # Place marker at beginning of archive member dllname section
+ s/.*/====MARK====/
+ p
+ d
+ }
+ # These lines can sometimes be longer than 43 characters, but
+ # are always uninteresting
+ /:[ ]*file format pe[i]\{,1\}-/d
+ /^In archive [^:]*:/d
+ # Ensure marker is printed
+ /^====MARK====/p
+ # Remove all lines with less than 43 characters
+ /^.\{43\}/!d
+ # From remaining lines, remove first 43 characters
+ s/^.\{43\}//' |
+ $SED -n '
+ # Join marker and all lines until next marker into a single line
+ /^====MARK====/ b para
+ H
+ $ b para
+ b
+ :para
+ x
+ s/\n//g
+ # Remove the marker
+ s/^====MARK====//
+ # Remove trailing dots and whitespace
+ s/[\. \t]*$//
+ # Print
+ /./p' |
+ # we now have a list, one entry per line, of the stringified
+ # contents of the appropriate section of all members of the
+ # archive which possess that section. Heuristic: eliminate
+ # all those which have a first or second character that is
+ # a '.' (that is, objdump's representation of an unprintable
+ # character.) This should work for all archives with less than
+ # 0x302f exports -- but will fail for DLLs whose name actually
+ # begins with a literal '.' or a single character followed by
+ # a '.'.
+ #
+ # Of those that remain, print the first one.
+ $SED -e '/^\./d;/^.\./d;q'
+}
+
+# func_cygming_gnu_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is a GNU/binutils-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_gnu_implib_p ()
+{
+ $opt_debug
+ func_to_tool_file "$1" func_convert_file_msys_to_w32
+ func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'`
+ test -n "$func_cygming_gnu_implib_tmp"
+}
+
+# func_cygming_ms_implib_p ARG
+# This predicate returns with zero status (TRUE) if
+# ARG is an MS-style import library. Returns
+# with nonzero status (FALSE) otherwise.
+func_cygming_ms_implib_p ()
+{
+ $opt_debug
+ func_to_tool_file "$1" func_convert_file_msys_to_w32
+ func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'`
+ test -n "$func_cygming_ms_implib_tmp"
+}
+
+# func_cygming_dll_for_implib_fallback ARG
+# Platform-specific function to extract the
+# name of the DLL associated with the specified
+# import library ARG.
+#
+# This fallback implementation is for use when $DLLTOOL
+# does not support the --identify-strict option.
+# Invoked by eval'ing the libtool variable
+# $sharedlib_from_linklib_cmd
+# Result is available in the variable
+# $sharedlib_from_linklib_result
+func_cygming_dll_for_implib_fallback ()
+{
+ $opt_debug
+ if func_cygming_gnu_implib_p "$1" ; then
+ # binutils import library
+ sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"`
+ elif func_cygming_ms_implib_p "$1" ; then
+ # ms-generated import library
+ sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"`
+ else
+ # unknown
+ sharedlib_from_linklib_result=""
+ fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+ $opt_debug
+ f_ex_an_ar_dir="$1"; shift
+ f_ex_an_ar_oldlib="$1"
+ if test "$lock_old_archive_extraction" = yes; then
+ lockfile=$f_ex_an_ar_oldlib.lock
+ until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
+ func_echo "Waiting for $lockfile to be removed"
+ sleep 2
+ done
+ fi
+ func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \
+ 'stat=$?; rm -f "$lockfile"; exit $stat'
+ if test "$lock_old_archive_extraction" = yes; then
+ $opt_dry_run || rm -f "$lockfile"
+ fi
+ if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
+ fi
+}
+
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+ $opt_debug
+ my_gentop="$1"; shift
+ my_oldlibs=${1+"$@"}
+ my_oldobjs=""
+ my_xlib=""
+ my_xabs=""
+ my_xdir=""
+
+ for my_xlib in $my_oldlibs; do
+ # Extract the objects.
+ case $my_xlib in
+ [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+ *) my_xabs=`pwd`"/$my_xlib" ;;
+ esac
+ func_basename "$my_xlib"
+ my_xlib="$func_basename_result"
+ my_xlib_u=$my_xlib
+ while :; do
+ case " $extracted_archives " in
+ *" $my_xlib_u "*)
+ func_arith $extracted_serial + 1
+ extracted_serial=$func_arith_result
+ my_xlib_u=lt$extracted_serial-$my_xlib ;;
+ *) break ;;
+ esac
+ done
+ extracted_archives="$extracted_archives $my_xlib_u"
+ my_xdir="$my_gentop/$my_xlib_u"
+
+ func_mkdir_p "$my_xdir"
+
+ case $host in
+ *-darwin*)
+ func_verbose "Extracting $my_xabs"
+ # Do not bother doing anything if just a dry run
+ $opt_dry_run || {
+ darwin_orig_dir=`pwd`
+ cd $my_xdir || exit $?
+ darwin_archive=$my_xabs
+ darwin_curdir=`pwd`
+ darwin_base_archive=`basename "$darwin_archive"`
+ darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
+ if test -n "$darwin_arches"; then
+ darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
+ darwin_arch=
+ func_verbose "$darwin_base_archive has multiple architectures $darwin_arches"
+ for darwin_arch in $darwin_arches ; do
+ func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+ cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+ cd "$darwin_curdir"
+ $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+ done # $darwin_arches
+ ## Okay now we've a bunch of thin objects, gotta fatten them up :)
+ darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u`
+ darwin_file=
+ darwin_files=
+ for darwin_file in $darwin_filelist; do
+ darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP`
+ $LIPO -create -output "$darwin_file" $darwin_files
+ done # $darwin_filelist
+ $RM -rf unfat-$$
+ cd "$darwin_orig_dir"
+ else
+ cd $darwin_orig_dir
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ fi # $darwin_arches
+ } # !$opt_dry_run
+ ;;
+ *)
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ ;;
+ esac
+ my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP`
+ done
+
+ func_extract_archives_result="$my_oldobjs"
+}
+
+
+# func_emit_wrapper [arg=no]
+#
+# Emit a libtool wrapper script on stdout.
+# Don't directly open a file because we may want to
+# incorporate the script contents within a cygwin/mingw
+# wrapper executable. Must ONLY be called from within
+# func_mode_link because it depends on a number of variables
+# set therein.
+#
+# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR
+# variable will take. If 'yes', then the emitted script
+# will assume that the directory in which it is stored is
+# the $objdir directory. This is a cygwin/mingw-specific
+# behavior.
+func_emit_wrapper ()
+{
+ func_emit_wrapper_arg1=${1-no}
+
+ $ECHO "\
+#! $SHELL
+
+# $output - temporary wrapper script for $objdir/$outputname
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# The $output program cannot be directly executed until all the libtool
+# libraries that it depends on are installed.
+#
+# This wrapper script should never be moved out of the build directory.
+# If it is, it will not operate correctly.
+
+# Sed substitution that helps us do robust quoting. It backslashifies
+# metacharacters that are still active within double-quoted strings.
+sed_quote_subst='$sed_quote_subst'
+
+# Be Bourne compatible
+if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '\${1+\"\$@\"}'='\"\$@\"'
+ setopt NO_GLOB_SUBST
+else
+ case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac
+fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# The HP-UX ksh and POSIX shell print the target directory to stdout
+# if CDPATH is set.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+relink_command=\"$relink_command\"
+
+# This environment variable determines our operation mode.
+if test \"\$libtool_install_magic\" = \"$magic\"; then
+ # install mode needs the following variables:
+ generated_by_libtool_version='$macro_version'
+ notinst_deplibs='$notinst_deplibs'
+else
+ # When we are sourced in execute mode, \$file and \$ECHO are already set.
+ if test \"\$libtool_execute_magic\" != \"$magic\"; then
+ file=\"\$0\""
+
+ qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"`
+ $ECHO "\
+
+# A function that is used when there is no print builtin or printf.
+func_fallback_echo ()
+{
+ eval 'cat <<_LTECHO_EOF
+\$1
+_LTECHO_EOF'
+}
+ ECHO=\"$qECHO\"
+ fi
+
+# Very basic option parsing. These options are (a) specific to
+# the libtool wrapper, (b) are identical between the wrapper
+# /script/ and the wrapper /executable/ which is used only on
+# windows platforms, and (c) all begin with the string "--lt-"
+# (application programs are unlikely to have options which match
+# this pattern).
+#
+# There are only two supported options: --lt-debug and
+# --lt-dump-script. There is, deliberately, no --lt-help.
+#
+# The first argument to this parsing function should be the
+# script's $0 value, followed by "$@".
+lt_option_debug=
+func_parse_lt_options ()
+{
+ lt_script_arg0=\$0
+ shift
+ for lt_opt
+ do
+ case \"\$lt_opt\" in
+ --lt-debug) lt_option_debug=1 ;;
+ --lt-dump-script)
+ lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\`
+ test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=.
+ lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\`
+ cat \"\$lt_dump_D/\$lt_dump_F\"
+ exit 0
+ ;;
+ --lt-*)
+ \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2
+ exit 1
+ ;;
+ esac
+ done
+
+ # Print the debug banner immediately:
+ if test -n \"\$lt_option_debug\"; then
+ echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2
+ fi
+}
+
+# Used when --lt-debug. Prints its arguments to stdout
+# (redirection is the responsibility of the caller)
+func_lt_dump_args ()
+{
+ lt_dump_args_N=1;
+ for lt_arg
+ do
+ \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\"
+ lt_dump_args_N=\`expr \$lt_dump_args_N + 1\`
+ done
+}
+
+# Core function for launching the target application
+func_exec_program_core ()
+{
+"
+ case $host in
+ # Backslashes separate directories on plain windows
+ *-*-mingw | *-*-os2* | *-cegcc*)
+ $ECHO "\
+ if test -n \"\$lt_option_debug\"; then
+ \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2
+ func_lt_dump_args \${1+\"\$@\"} 1>&2
+ fi
+ exec \"\$progdir\\\\\$program\" \${1+\"\$@\"}
+"
+ ;;
+
+ *)
+ $ECHO "\
+ if test -n \"\$lt_option_debug\"; then
+ \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2
+ func_lt_dump_args \${1+\"\$@\"} 1>&2
+ fi
+ exec \"\$progdir/\$program\" \${1+\"\$@\"}
+"
+ ;;
+ esac
+ $ECHO "\
+ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2
+ exit 1
+}
+
+# A function to encapsulate launching the target application
+# Strips options in the --lt-* namespace from \$@ and
+# launches target application with the remaining arguments.
+func_exec_program ()
+{
+ case \" \$* \" in
+ *\\ --lt-*)
+ for lt_wr_arg
+ do
+ case \$lt_wr_arg in
+ --lt-*) ;;
+ *) set x \"\$@\" \"\$lt_wr_arg\"; shift;;
+ esac
+ shift
+ done ;;
+ esac
+ func_exec_program_core \${1+\"\$@\"}
+}
+
+ # Parse options
+ func_parse_lt_options \"\$0\" \${1+\"\$@\"}
+
+ # Find the directory that this script lives in.
+ thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\`
+ test \"x\$thisdir\" = \"x\$file\" && thisdir=.
+
+ # Follow symbolic links until we get to the real thisdir.
+ file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\`
+ while test -n \"\$file\"; do
+ destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\`
+
+ # If there was a directory component, then change thisdir.
+ if test \"x\$destdir\" != \"x\$file\"; then
+ case \"\$destdir\" in
+ [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;;
+ *) thisdir=\"\$thisdir/\$destdir\" ;;
+ esac
+ fi
+
+ file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\`
+ file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\`
+ done
+
+ # Usually 'no', except on cygwin/mingw when embedded into
+ # the cwrapper.
+ WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1
+ if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then
+ # special case for '.'
+ if test \"\$thisdir\" = \".\"; then
+ thisdir=\`pwd\`
+ fi
+ # remove .libs from thisdir
+ case \"\$thisdir\" in
+ *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;;
+ $objdir ) thisdir=. ;;
+ esac
+ fi
+
+ # Try to get the absolute directory name.
+ absdir=\`cd \"\$thisdir\" && pwd\`
+ test -n \"\$absdir\" && thisdir=\"\$absdir\"
+"
+
+ if test "$fast_install" = yes; then
+ $ECHO "\
+ program=lt-'$outputname'$exeext
+ progdir=\"\$thisdir/$objdir\"
+
+ if test ! -f \"\$progdir/\$program\" ||
+ { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\
+ test \"X\$file\" != \"X\$progdir/\$program\"; }; then
+
+ file=\"\$\$-\$program\"
+
+ if test ! -d \"\$progdir\"; then
+ $MKDIR \"\$progdir\"
+ else
+ $RM \"\$progdir/\$file\"
+ fi"
+
+ $ECHO "\
+
+ # relink executable if necessary
+ if test -n \"\$relink_command\"; then
+ if relink_command_output=\`eval \$relink_command 2>&1\`; then :
+ else
+ $ECHO \"\$relink_command_output\" >&2
+ $RM \"\$progdir/\$file\"
+ exit 1
+ fi
+ fi
+
+ $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null ||
+ { $RM \"\$progdir/\$program\";
+ $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; }
+ $RM \"\$progdir/\$file\"
+ fi"
+ else
+ $ECHO "\
+ program='$outputname'
+ progdir=\"\$thisdir/$objdir\"
+"
+ fi
+
+ $ECHO "\
+
+ if test -f \"\$progdir/\$program\"; then"
+
+ # fixup the dll searchpath if we need to.
+ #
+ # Fix the DLL searchpath if we need to. Do this before prepending
+ # to shlibpath, because on Windows, both are PATH and uninstalled
+ # libraries must come first.
+ if test -n "$dllsearchpath"; then
+ $ECHO "\
+ # Add the dll search path components to the executable PATH
+ PATH=$dllsearchpath:\$PATH
+"
+ fi
+
+ # Export our shlibpath_var if we have one.
+ if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+ $ECHO "\
+ # Add our own library path to $shlibpath_var
+ $shlibpath_var=\"$temp_rpath\$$shlibpath_var\"
+
+ # Some systems cannot cope with colon-terminated $shlibpath_var
+ # The second colon is a workaround for a bug in BeOS R4 sed
+ $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\`
+
+ export $shlibpath_var
+"
+ fi
+
+ $ECHO "\
+ if test \"\$libtool_execute_magic\" != \"$magic\"; then
+ # Run the actual program with our arguments.
+ func_exec_program \${1+\"\$@\"}
+ fi
+ else
+ # The program doesn't exist.
+ \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2
+ \$ECHO \"This script is just a wrapper for \$program.\" 1>&2
+ \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2
+ exit 1
+ fi
+fi\
+"
+}
+
+
+# func_emit_cwrapperexe_src
+# emit the source code for a wrapper executable on stdout
+# Must ONLY be called from within func_mode_link because
+# it depends on a number of variable set therein.
+func_emit_cwrapperexe_src ()
+{
+ cat <<EOF
+
+/* $cwrappersource - temporary wrapper executable for $objdir/$outputname
+ Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+
+ The $output program cannot be directly executed until all the libtool
+ libraries that it depends on are installed.
+
+ This wrapper executable should never be moved out of the build directory.
+ If it is, it will not operate correctly.
+*/
+EOF
+ cat <<"EOF"
+#ifdef _MSC_VER
+# define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+# include <direct.h>
+# include <process.h>
+# include <io.h>
+#else
+# include <unistd.h>
+# include <stdint.h>
+# ifdef __CYGWIN__
+# include <io.h>
+# endif
+#endif
+#include <malloc.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+/* declarations of non-ANSI functions */
+#if defined(__MINGW32__)
+# ifdef __STRICT_ANSI__
+int _putenv (const char *);
+# endif
+#elif defined(__CYGWIN__)
+# ifdef __STRICT_ANSI__
+char *realpath (const char *, char *);
+int putenv (char *);
+int setenv (const char *, const char *, int);
+# endif
+/* #elif defined (other platforms) ... */
+#endif
+
+/* portability defines, excluding path handling macros */
+#if defined(_MSC_VER)
+# define setmode _setmode
+# define stat _stat
+# define chmod _chmod
+# define getcwd _getcwd
+# define putenv _putenv
+# define S_IXUSR _S_IEXEC
+# ifndef _INTPTR_T_DEFINED
+# define _INTPTR_T_DEFINED
+# define intptr_t int
+# endif
+#elif defined(__MINGW32__)
+# define setmode _setmode
+# define stat _stat
+# define chmod _chmod
+# define getcwd _getcwd
+# define putenv _putenv
+#elif defined(__CYGWIN__)
+# define HAVE_SETENV
+# define FOPEN_WB "wb"
+/* #elif defined (other platforms) ... */
+#endif
+
+#if defined(PATH_MAX)
+# define LT_PATHMAX PATH_MAX
+#elif defined(MAXPATHLEN)
+# define LT_PATHMAX MAXPATHLEN
+#else
+# define LT_PATHMAX 1024
+#endif
+
+#ifndef S_IXOTH
+# define S_IXOTH 0
+#endif
+#ifndef S_IXGRP
+# define S_IXGRP 0
+#endif
+
+/* path handling portability macros */
+#ifndef DIR_SEPARATOR
+# define DIR_SEPARATOR '/'
+# define PATH_SEPARATOR ':'
+#endif
+
+#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \
+ defined (__OS2__)
+# define HAVE_DOS_BASED_FILE_SYSTEM
+# define FOPEN_WB "wb"
+# ifndef DIR_SEPARATOR_2
+# define DIR_SEPARATOR_2 '\\'
+# endif
+# ifndef PATH_SEPARATOR_2
+# define PATH_SEPARATOR_2 ';'
+# endif
+#endif
+
+#ifndef DIR_SEPARATOR_2
+# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
+#else /* DIR_SEPARATOR_2 */
+# define IS_DIR_SEPARATOR(ch) \
+ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
+#endif /* DIR_SEPARATOR_2 */
+
+#ifndef PATH_SEPARATOR_2
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR)
+#else /* PATH_SEPARATOR_2 */
+# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2)
+#endif /* PATH_SEPARATOR_2 */
+
+#ifndef FOPEN_WB
+# define FOPEN_WB "w"
+#endif
+#ifndef _O_BINARY
+# define _O_BINARY 0
+#endif
+
+#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type)))
+#define XFREE(stale) do { \
+ if (stale) { free ((void *) stale); stale = 0; } \
+} while (0)
+
+#if defined(LT_DEBUGWRAPPER)
+static int lt_debug = 1;
+#else
+static int lt_debug = 0;
+#endif
+
+const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */
+
+void *xmalloc (size_t num);
+char *xstrdup (const char *string);
+const char *base_name (const char *name);
+char *find_executable (const char *wrapper);
+char *chase_symlinks (const char *pathspec);
+int make_executable (const char *path);
+int check_executable (const char *path);
+char *strendzap (char *str, const char *pat);
+void lt_debugprintf (const char *file, int line, const char *fmt, ...);
+void lt_fatal (const char *file, int line, const char *message, ...);
+static const char *nonnull (const char *s);
+static const char *nonempty (const char *s);
+void lt_setenv (const char *name, const char *value);
+char *lt_extend_str (const char *orig_value, const char *add, int to_end);
+void lt_update_exe_path (const char *name, const char *value);
+void lt_update_lib_path (const char *name, const char *value);
+char **prepare_spawn (char **argv);
+void lt_dump_script (FILE *f);
+EOF
+
+ cat <<EOF
+volatile const char * MAGIC_EXE = "$magic_exe";
+const char * LIB_PATH_VARNAME = "$shlibpath_var";
+EOF
+
+ if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then
+ func_to_host_path "$temp_rpath"
+ cat <<EOF
+const char * LIB_PATH_VALUE = "$func_to_host_path_result";
+EOF
+ else
+ cat <<"EOF"
+const char * LIB_PATH_VALUE = "";
+EOF
+ fi
+
+ if test -n "$dllsearchpath"; then
+ func_to_host_path "$dllsearchpath:"
+ cat <<EOF
+const char * EXE_PATH_VARNAME = "PATH";
+const char * EXE_PATH_VALUE = "$func_to_host_path_result";
+EOF
+ else
+ cat <<"EOF"
+const char * EXE_PATH_VARNAME = "";
+const char * EXE_PATH_VALUE = "";
+EOF
+ fi
+
+ if test "$fast_install" = yes; then
+ cat <<EOF
+const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */
+EOF
+ else
+ cat <<EOF
+const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */
+EOF
+ fi
+
+
+ cat <<"EOF"
+
+#define LTWRAPPER_OPTION_PREFIX "--lt-"
+
+static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX;
+static const char *dumpscript_opt = LTWRAPPER_OPTION_PREFIX "dump-script";
+static const char *debug_opt = LTWRAPPER_OPTION_PREFIX "debug";
+
+int
+main (int argc, char *argv[])
+{
+ char **newargz;
+ int newargc;
+ char *tmp_pathspec;
+ char *actual_cwrapper_path;
+ char *actual_cwrapper_name;
+ char *target_name;
+ char *lt_argv_zero;
+ intptr_t rval = 127;
+
+ int i;
+
+ program_name = (char *) xstrdup (base_name (argv[0]));
+ newargz = XMALLOC (char *, argc + 1);
+
+ /* very simple arg parsing; don't want to rely on getopt
+ * also, copy all non cwrapper options to newargz, except
+ * argz[0], which is handled differently
+ */
+ newargc=0;
+ for (i = 1; i < argc; i++)
+ {
+ if (strcmp (argv[i], dumpscript_opt) == 0)
+ {
+EOF
+ case "$host" in
+ *mingw* | *cygwin* )
+ # make stdout use "unix" line endings
+ echo " setmode(1,_O_BINARY);"
+ ;;
+ esac
+
+ cat <<"EOF"
+ lt_dump_script (stdout);
+ return 0;
+ }
+ if (strcmp (argv[i], debug_opt) == 0)
+ {
+ lt_debug = 1;
+ continue;
+ }
+ if (strcmp (argv[i], ltwrapper_option_prefix) == 0)
+ {
+ /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX
+ namespace, but it is not one of the ones we know about and
+ have already dealt with, above (inluding dump-script), then
+ report an error. Otherwise, targets might begin to believe
+ they are allowed to use options in the LTWRAPPER_OPTION_PREFIX
+ namespace. The first time any user complains about this, we'll
+ need to make LTWRAPPER_OPTION_PREFIX a configure-time option
+ or a configure.ac-settable value.
+ */
+ lt_fatal (__FILE__, __LINE__,
+ "unrecognized %s option: '%s'",
+ ltwrapper_option_prefix, argv[i]);
+ }
+ /* otherwise ... */
+ newargz[++newargc] = xstrdup (argv[i]);
+ }
+ newargz[++newargc] = NULL;
+
+EOF
+ cat <<EOF
+ /* The GNU banner must be the first non-error debug message */
+ lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\n");
+EOF
+ cat <<"EOF"
+ lt_debugprintf (__FILE__, __LINE__, "(main) argv[0]: %s\n", argv[0]);
+ lt_debugprintf (__FILE__, __LINE__, "(main) program_name: %s\n", program_name);
+
+ tmp_pathspec = find_executable (argv[0]);
+ if (tmp_pathspec == NULL)
+ lt_fatal (__FILE__, __LINE__, "couldn't find %s", argv[0]);
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) found exe (before symlink chase) at: %s\n",
+ tmp_pathspec);
+
+ actual_cwrapper_path = chase_symlinks (tmp_pathspec);
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) found exe (after symlink chase) at: %s\n",
+ actual_cwrapper_path);
+ XFREE (tmp_pathspec);
+
+ actual_cwrapper_name = xstrdup (base_name (actual_cwrapper_path));
+ strendzap (actual_cwrapper_path, actual_cwrapper_name);
+
+ /* wrapper name transforms */
+ strendzap (actual_cwrapper_name, ".exe");
+ tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1);
+ XFREE (actual_cwrapper_name);
+ actual_cwrapper_name = tmp_pathspec;
+ tmp_pathspec = 0;
+
+ /* target_name transforms -- use actual target program name; might have lt- prefix */
+ target_name = xstrdup (base_name (TARGET_PROGRAM_NAME));
+ strendzap (target_name, ".exe");
+ tmp_pathspec = lt_extend_str (target_name, ".exe", 1);
+ XFREE (target_name);
+ target_name = tmp_pathspec;
+ tmp_pathspec = 0;
+
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) libtool target name: %s\n",
+ target_name);
+EOF
+
+ cat <<EOF
+ newargz[0] =
+ XMALLOC (char, (strlen (actual_cwrapper_path) +
+ strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1));
+ strcpy (newargz[0], actual_cwrapper_path);
+ strcat (newargz[0], "$objdir");
+ strcat (newargz[0], "/");
+EOF
+
+ cat <<"EOF"
+ /* stop here, and copy so we don't have to do this twice */
+ tmp_pathspec = xstrdup (newargz[0]);
+
+ /* do NOT want the lt- prefix here, so use actual_cwrapper_name */
+ strcat (newargz[0], actual_cwrapper_name);
+
+ /* DO want the lt- prefix here if it exists, so use target_name */
+ lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1);
+ XFREE (tmp_pathspec);
+ tmp_pathspec = NULL;
+EOF
+
+ case $host_os in
+ mingw*)
+ cat <<"EOF"
+ {
+ char* p;
+ while ((p = strchr (newargz[0], '\\')) != NULL)
+ {
+ *p = '/';
+ }
+ while ((p = strchr (lt_argv_zero, '\\')) != NULL)
+ {
+ *p = '/';
+ }
+ }
+EOF
+ ;;
+ esac
+
+ cat <<"EOF"
+ XFREE (target_name);
+ XFREE (actual_cwrapper_path);
+ XFREE (actual_cwrapper_name);
+
+ lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */
+ lt_setenv ("DUALCASE", "1"); /* for MSK sh */
+ /* Update the DLL searchpath. EXE_PATH_VALUE ($dllsearchpath) must
+ be prepended before (that is, appear after) LIB_PATH_VALUE ($temp_rpath)
+ because on Windows, both *_VARNAMEs are PATH but uninstalled
+ libraries must come first. */
+ lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE);
+ lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE);
+
+ lt_debugprintf (__FILE__, __LINE__, "(main) lt_argv_zero: %s\n",
+ nonnull (lt_argv_zero));
+ for (i = 0; i < newargc; i++)
+ {
+ lt_debugprintf (__FILE__, __LINE__, "(main) newargz[%d]: %s\n",
+ i, nonnull (newargz[i]));
+ }
+
+EOF
+
+ case $host_os in
+ mingw*)
+ cat <<"EOF"
+ /* execv doesn't actually work on mingw as expected on unix */
+ newargz = prepare_spawn (newargz);
+ rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz);
+ if (rval == -1)
+ {
+ /* failed to start process */
+ lt_debugprintf (__FILE__, __LINE__,
+ "(main) failed to launch target \"%s\": %s\n",
+ lt_argv_zero, nonnull (strerror (errno)));
+ return 127;
+ }
+ return rval;
+EOF
+ ;;
+ *)
+ cat <<"EOF"
+ execv (lt_argv_zero, newargz);
+ return rval; /* =127, but avoids unused variable warning */
+EOF
+ ;;
+ esac
+
+ cat <<"EOF"
+}
+
+void *
+xmalloc (size_t num)
+{
+ void *p = (void *) malloc (num);
+ if (!p)
+ lt_fatal (__FILE__, __LINE__, "memory exhausted");
+
+ return p;
+}
+
+char *
+xstrdup (const char *string)
+{
+ return string ? strcpy ((char *) xmalloc (strlen (string) + 1),
+ string) : NULL;
+}
+
+const char *
+base_name (const char *name)
+{
+ const char *base;
+
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ /* Skip over the disk name in MSDOS pathnames. */
+ if (isalpha ((unsigned char) name[0]) && name[1] == ':')
+ name += 2;
+#endif
+
+ for (base = name; *name; name++)
+ if (IS_DIR_SEPARATOR (*name))
+ base = name + 1;
+ return base;
+}
+
+int
+check_executable (const char *path)
+{
+ struct stat st;
+
+ lt_debugprintf (__FILE__, __LINE__, "(check_executable): %s\n",
+ nonempty (path));
+ if ((!path) || (!*path))
+ return 0;
+
+ if ((stat (path, &st) >= 0)
+ && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
+ return 1;
+ else
+ return 0;
+}
+
+int
+make_executable (const char *path)
+{
+ int rval = 0;
+ struct stat st;
+
+ lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n",
+ nonempty (path));
+ if ((!path) || (!*path))
+ return 0;
+
+ if (stat (path, &st) >= 0)
+ {
+ rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR);
+ }
+ return rval;
+}
+
+/* Searches for the full path of the wrapper. Returns
+ newly allocated full path name if found, NULL otherwise
+ Does not chase symlinks, even on platforms that support them.
+*/
+char *
+find_executable (const char *wrapper)
+{
+ int has_slash = 0;
+ const char *p;
+ const char *p_next;
+ /* static buffer for getcwd */
+ char tmp[LT_PATHMAX + 1];
+ int tmp_len;
+ char *concat_name;
+
+ lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n",
+ nonempty (wrapper));
+
+ if ((wrapper == NULL) || (*wrapper == '\0'))
+ return NULL;
+
+ /* Absolute path? */
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':')
+ {
+ concat_name = xstrdup (wrapper);
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ }
+ else
+ {
+#endif
+ if (IS_DIR_SEPARATOR (wrapper[0]))
+ {
+ concat_name = xstrdup (wrapper);
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ }
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ }
+#endif
+
+ for (p = wrapper; *p; p++)
+ if (*p == '/')
+ {
+ has_slash = 1;
+ break;
+ }
+ if (!has_slash)
+ {
+ /* no slashes; search PATH */
+ const char *path = getenv ("PATH");
+ if (path != NULL)
+ {
+ for (p = path; *p; p = p_next)
+ {
+ const char *q;
+ size_t p_len;
+ for (q = p; *q; q++)
+ if (IS_PATH_SEPARATOR (*q))
+ break;
+ p_len = q - p;
+ p_next = (*q == '\0' ? q : q + 1);
+ if (p_len == 0)
+ {
+ /* empty path: current directory */
+ if (getcwd (tmp, LT_PATHMAX) == NULL)
+ lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+ nonnull (strerror (errno)));
+ tmp_len = strlen (tmp);
+ concat_name =
+ XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+ memcpy (concat_name, tmp, tmp_len);
+ concat_name[tmp_len] = '/';
+ strcpy (concat_name + tmp_len + 1, wrapper);
+ }
+ else
+ {
+ concat_name =
+ XMALLOC (char, p_len + 1 + strlen (wrapper) + 1);
+ memcpy (concat_name, p, p_len);
+ concat_name[p_len] = '/';
+ strcpy (concat_name + p_len + 1, wrapper);
+ }
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ }
+ }
+ /* not found in PATH; assume curdir */
+ }
+ /* Relative path | not found in path: prepend cwd */
+ if (getcwd (tmp, LT_PATHMAX) == NULL)
+ lt_fatal (__FILE__, __LINE__, "getcwd failed: %s",
+ nonnull (strerror (errno)));
+ tmp_len = strlen (tmp);
+ concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1);
+ memcpy (concat_name, tmp, tmp_len);
+ concat_name[tmp_len] = '/';
+ strcpy (concat_name + tmp_len + 1, wrapper);
+
+ if (check_executable (concat_name))
+ return concat_name;
+ XFREE (concat_name);
+ return NULL;
+}
+
+char *
+chase_symlinks (const char *pathspec)
+{
+#ifndef S_ISLNK
+ return xstrdup (pathspec);
+#else
+ char buf[LT_PATHMAX];
+ struct stat s;
+ char *tmp_pathspec = xstrdup (pathspec);
+ char *p;
+ int has_symlinks = 0;
+ while (strlen (tmp_pathspec) && !has_symlinks)
+ {
+ lt_debugprintf (__FILE__, __LINE__,
+ "checking path component for symlinks: %s\n",
+ tmp_pathspec);
+ if (lstat (tmp_pathspec, &s) == 0)
+ {
+ if (S_ISLNK (s.st_mode) != 0)
+ {
+ has_symlinks = 1;
+ break;
+ }
+
+ /* search backwards for last DIR_SEPARATOR */
+ p = tmp_pathspec + strlen (tmp_pathspec) - 1;
+ while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+ p--;
+ if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p)))
+ {
+ /* no more DIR_SEPARATORS left */
+ break;
+ }
+ *p = '\0';
+ }
+ else
+ {
+ lt_fatal (__FILE__, __LINE__,
+ "error accessing file \"%s\": %s",
+ tmp_pathspec, nonnull (strerror (errno)));
+ }
+ }
+ XFREE (tmp_pathspec);
+
+ if (!has_symlinks)
+ {
+ return xstrdup (pathspec);
+ }
+
+ tmp_pathspec = realpath (pathspec, buf);
+ if (tmp_pathspec == 0)
+ {
+ lt_fatal (__FILE__, __LINE__,
+ "could not follow symlinks for %s", pathspec);
+ }
+ return xstrdup (tmp_pathspec);
+#endif
+}
+
+char *
+strendzap (char *str, const char *pat)
+{
+ size_t len, patlen;
+
+ assert (str != NULL);
+ assert (pat != NULL);
+
+ len = strlen (str);
+ patlen = strlen (pat);
+
+ if (patlen <= len)
+ {
+ str += len - patlen;
+ if (strcmp (str, pat) == 0)
+ *str = '\0';
+ }
+ return str;
+}
+
+void
+lt_debugprintf (const char *file, int line, const char *fmt, ...)
+{
+ va_list args;
+ if (lt_debug)
+ {
+ (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line);
+ va_start (args, fmt);
+ (void) vfprintf (stderr, fmt, args);
+ va_end (args);
+ }
+}
+
+static void
+lt_error_core (int exit_status, const char *file,
+ int line, const char *mode,
+ const char *message, va_list ap)
+{
+ fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode);
+ vfprintf (stderr, message, ap);
+ fprintf (stderr, ".\n");
+
+ if (exit_status >= 0)
+ exit (exit_status);
+}
+
+void
+lt_fatal (const char *file, int line, const char *message, ...)
+{
+ va_list ap;
+ va_start (ap, message);
+ lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap);
+ va_end (ap);
+}
+
+static const char *
+nonnull (const char *s)
+{
+ return s ? s : "(null)";
+}
+
+static const char *
+nonempty (const char *s)
+{
+ return (s && !*s) ? "(empty)" : nonnull (s);
+}
+
+void
+lt_setenv (const char *name, const char *value)
+{
+ lt_debugprintf (__FILE__, __LINE__,
+ "(lt_setenv) setting '%s' to '%s'\n",
+ nonnull (name), nonnull (value));
+ {
+#ifdef HAVE_SETENV
+ /* always make a copy, for consistency with !HAVE_SETENV */
+ char *str = xstrdup (value);
+ setenv (name, str, 1);
+#else
+ int len = strlen (name) + 1 + strlen (value) + 1;
+ char *str = XMALLOC (char, len);
+ sprintf (str, "%s=%s", name, value);
+ if (putenv (str) != EXIT_SUCCESS)
+ {
+ XFREE (str);
+ }
+#endif
+ }
+}
+
+char *
+lt_extend_str (const char *orig_value, const char *add, int to_end)
+{
+ char *new_value;
+ if (orig_value && *orig_value)
+ {
+ int orig_value_len = strlen (orig_value);
+ int add_len = strlen (add);
+ new_value = XMALLOC (char, add_len + orig_value_len + 1);
+ if (to_end)
+ {
+ strcpy (new_value, orig_value);
+ strcpy (new_value + orig_value_len, add);
+ }
+ else
+ {
+ strcpy (new_value, add);
+ strcpy (new_value + add_len, orig_value);
+ }
+ }
+ else
+ {
+ new_value = xstrdup (add);
+ }
+ return new_value;
+}
+
+void
+lt_update_exe_path (const char *name, const char *value)
+{
+ lt_debugprintf (__FILE__, __LINE__,
+ "(lt_update_exe_path) modifying '%s' by prepending '%s'\n",
+ nonnull (name), nonnull (value));
+
+ if (name && *name && value && *value)
+ {
+ char *new_value = lt_extend_str (getenv (name), value, 0);
+ /* some systems can't cope with a ':'-terminated path #' */
+ int len = strlen (new_value);
+ while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1]))
+ {
+ new_value[len-1] = '\0';
+ }
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ }
+}
+
+void
+lt_update_lib_path (const char *name, const char *value)
+{
+ lt_debugprintf (__FILE__, __LINE__,
+ "(lt_update_lib_path) modifying '%s' by prepending '%s'\n",
+ nonnull (name), nonnull (value));
+
+ if (name && *name && value && *value)
+ {
+ char *new_value = lt_extend_str (getenv (name), value, 0);
+ lt_setenv (name, new_value);
+ XFREE (new_value);
+ }
+}
+
+EOF
+ case $host_os in
+ mingw*)
+ cat <<"EOF"
+
+/* Prepares an argument vector before calling spawn().
+ Note that spawn() does not by itself call the command interpreter
+ (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") :
+ ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ GetVersionEx(&v);
+ v.dwPlatformId == VER_PLATFORM_WIN32_NT;
+ }) ? "cmd.exe" : "command.com").
+ Instead it simply concatenates the arguments, separated by ' ', and calls
+ CreateProcess(). We must quote the arguments since Win32 CreateProcess()
+ interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a
+ special way:
+ - Space and tab are interpreted as delimiters. They are not treated as
+ delimiters if they are surrounded by double quotes: "...".
+ - Unescaped double quotes are removed from the input. Their only effect is
+ that within double quotes, space and tab are treated like normal
+ characters.
+ - Backslashes not followed by double quotes are not special.
+ - But 2*n+1 backslashes followed by a double quote become
+ n backslashes followed by a double quote (n >= 0):
+ \" -> "
+ \\\" -> \"
+ \\\\\" -> \\"
+ */
+#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037"
+char **
+prepare_spawn (char **argv)
+{
+ size_t argc;
+ char **new_argv;
+ size_t i;
+
+ /* Count number of arguments. */
+ for (argc = 0; argv[argc] != NULL; argc++)
+ ;
+
+ /* Allocate new argument vector. */
+ new_argv = XMALLOC (char *, argc + 1);
+
+ /* Put quoted arguments into the new argument vector. */
+ for (i = 0; i < argc; i++)
+ {
+ const char *string = argv[i];
+
+ if (string[0] == '\0')
+ new_argv[i] = xstrdup ("\"\"");
+ else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL)
+ {
+ int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL);
+ size_t length;
+ unsigned int backslashes;
+ const char *s;
+ char *quoted_string;
+ char *p;
+
+ length = 0;
+ backslashes = 0;
+ if (quote_around)
+ length++;
+ for (s = string; *s != '\0'; s++)
+ {
+ char c = *s;
+ if (c == '"')
+ length += backslashes + 1;
+ length++;
+ if (c == '\\')
+ backslashes++;
+ else
+ backslashes = 0;
+ }
+ if (quote_around)
+ length += backslashes + 1;
+
+ quoted_string = XMALLOC (char, length + 1);
+
+ p = quoted_string;
+ backslashes = 0;
+ if (quote_around)
+ *p++ = '"';
+ for (s = string; *s != '\0'; s++)
+ {
+ char c = *s;
+ if (c == '"')
+ {
+ unsigned int j;
+ for (j = backslashes + 1; j > 0; j--)
+ *p++ = '\\';
+ }
+ *p++ = c;
+ if (c == '\\')
+ backslashes++;
+ else
+ backslashes = 0;
+ }
+ if (quote_around)
+ {
+ unsigned int j;
+ for (j = backslashes; j > 0; j--)
+ *p++ = '\\';
+ *p++ = '"';
+ }
+ *p = '\0';
+
+ new_argv[i] = quoted_string;
+ }
+ else
+ new_argv[i] = (char *) string;
+ }
+ new_argv[argc] = NULL;
+
+ return new_argv;
+}
+EOF
+ ;;
+ esac
+
+ cat <<"EOF"
+void lt_dump_script (FILE* f)
+{
+EOF
+ func_emit_wrapper yes |
+ $SED -n -e '
+s/^\(.\{79\}\)\(..*\)/\1\
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/ fputs ("\1", f);/p
+g
+D'
+ cat <<"EOF"
+}
+EOF
+}
+# end: func_emit_cwrapperexe_src
+
+# func_win32_import_lib_p ARG
+# True if ARG is an import lib, as indicated by $file_magic_cmd
+func_win32_import_lib_p ()
+{
+ $opt_debug
+ case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in
+ *import*) : ;;
+ *) false ;;
+ esac
+}
+
+# func_mode_link arg...
+func_mode_link ()
+{
+ $opt_debug
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+ # It is impossible to link a dll without this setting, and
+ # we shouldn't force the makefile maintainer to figure out
+ # which system we are compiling for in order to pass an extra
+ # flag for every libtool invocation.
+ # allow_undefined=no
+
+ # FIXME: Unfortunately, there are problems with the above when trying
+ # to make a dll which has undefined symbols, in which case not
+ # even a static library is built. For now, we need to specify
+ # -no-undefined on the libtool link line when we can be certain
+ # that all symbols are satisfied, otherwise we get a static library.
+ allow_undefined=yes
+ ;;
+ *)
+ allow_undefined=yes
+ ;;
+ esac
+ libtool_args=$nonopt
+ base_compile="$nonopt $@"
+ compile_command=$nonopt
+ finalize_command=$nonopt
+
+ compile_rpath=
+ finalize_rpath=
+ compile_shlibpath=
+ finalize_shlibpath=
+ convenience=
+ old_convenience=
+ deplibs=
+ old_deplibs=
+ compiler_flags=
+ linker_flags=
+ dllsearchpath=
+ lib_search_path=`pwd`
+ inst_prefix_dir=
+ new_inherited_linker_flags=
+
+ avoid_version=no
+ bindir=
+ dlfiles=
+ dlprefiles=
+ dlself=no
+ export_dynamic=no
+ export_symbols=
+ export_symbols_regex=
+ generated=
+ libobjs=
+ ltlibs=
+ module=no
+ no_install=no
+ objs=
+ non_pic_objects=
+ precious_files_regex=
+ prefer_static_libs=no
+ preload=no
+ prev=
+ prevarg=
+ release=
+ rpath=
+ xrpath=
+ perm_rpath=
+ temp_rpath=
+ thread_safe=no
+ vinfo=
+ vinfo_number=no
+ weak_libs=
+ single_module="${wl}-single_module"
+ func_infer_tag $base_compile
+
+ # We need to know -static, to get the right output filenames.
+ for arg
+ do
+ case $arg in
+ -shared)
+ test "$build_libtool_libs" != yes && \
+ func_fatal_configuration "can not build a shared library"
+ build_old_libs=no
+ break
+ ;;
+ -all-static | -static | -static-libtool-libs)
+ case $arg in
+ -all-static)
+ if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
+ func_warning "complete static linking is impossible in this configuration"
+ fi
+ if test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=yes
+ ;;
+ -static)
+ if test -z "$pic_flag" && test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=built
+ ;;
+ -static-libtool-libs)
+ if test -z "$pic_flag" && test -n "$link_static_flag"; then
+ dlopen_self=$dlopen_self_static
+ fi
+ prefer_static_libs=yes
+ ;;
+ esac
+ build_libtool_libs=no
+ build_old_libs=yes
+ break
+ ;;
+ esac
+ done
+
+ # See if our shared archives depend on static archives.
+ test -n "$old_archive_from_new_cmds" && build_old_libs=yes
+
+ # Go through the arguments, transforming them on the way.
+ while test "$#" -gt 0; do
+ arg="$1"
+ shift
+ func_quote_for_eval "$arg"
+ qarg=$func_quote_for_eval_unquoted_result
+ func_append libtool_args " $func_quote_for_eval_result"
+
+ # If the previous option needs an argument, assign it.
+ if test -n "$prev"; then
+ case $prev in
+ output)
+ func_append compile_command " @OUTPUT@"
+ func_append finalize_command " @OUTPUT@"
+ ;;
+ esac
+
+ case $prev in
+ bindir)
+ bindir="$arg"
+ prev=
+ continue
+ ;;
+ dlfiles|dlprefiles)
+ if test "$preload" = no; then
+ # Add the symbol object into the linking commands.
+ func_append compile_command " @SYMFILE@"
+ func_append finalize_command " @SYMFILE@"
+ preload=yes
+ fi
+ case $arg in
+ *.la | *.lo) ;; # We handle these cases below.
+ force)
+ if test "$dlself" = no; then
+ dlself=needless
+ export_dynamic=yes
+ fi
+ prev=
+ continue
+ ;;
+ self)
+ if test "$prev" = dlprefiles; then
+ dlself=yes
+ elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
+ dlself=yes
+ else
+ dlself=needless
+ export_dynamic=yes
+ fi
+ prev=
+ continue
+ ;;
+ *)
+ if test "$prev" = dlfiles; then
+ func_append dlfiles " $arg"
+ else
+ func_append dlprefiles " $arg"
+ fi
+ prev=
+ continue
+ ;;
+ esac
+ ;;
+ expsyms)
+ export_symbols="$arg"
+ test -f "$arg" \
+ || func_fatal_error "symbol file \`$arg' does not exist"
+ prev=
+ continue
+ ;;
+ expsyms_regex)
+ export_symbols_regex="$arg"
+ prev=
+ continue
+ ;;
+ framework)
+ case $host in
+ *-*-darwin*)
+ case "$deplibs " in
+ *" $qarg.ltframework "*) ;;
+ *) func_append deplibs " $qarg.ltframework" # this is fixed later
+ ;;
+ esac
+ ;;
+ esac
+ prev=
+ continue
+ ;;
+ inst_prefix)
+ inst_prefix_dir="$arg"
+ prev=
+ continue
+ ;;
+ objectlist)
+ if test -f "$arg"; then
+ save_arg=$arg
+ moreargs=
+ for fil in `cat "$save_arg"`
+ do
+# func_append moreargs " $fil"
+ arg=$fil
+ # A libtool-controlled object.
+
+ # Check to see that this really is a libtool object.
+ if func_lalib_unsafe_p "$arg"; then
+ pic_object=
+ non_pic_object=
+
+ # Read the .lo file
+ func_source "$arg"
+
+ if test -z "$pic_object" ||
+ test -z "$non_pic_object" ||
+ test "$pic_object" = none &&
+ test "$non_pic_object" = none; then
+ func_fatal_error "cannot find name of object for \`$arg'"
+ fi
+
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ if test "$pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ pic_object="$xdir$pic_object"
+
+ if test "$prev" = dlfiles; then
+ if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+ func_append dlfiles " $pic_object"
+ prev=
+ continue
+ else
+ # If libtool objects are unsupported, then we need to preload.
+ prev=dlprefiles
+ fi
+ fi
+
+ # CHECK ME: I think I busted this. -Ossama
+ if test "$prev" = dlprefiles; then
+ # Preload the old-style object.
+ func_append dlprefiles " $pic_object"
+ prev=
+ fi
+
+ # A PIC object.
+ func_append libobjs " $pic_object"
+ arg="$pic_object"
+ fi
+
+ # Non-PIC object.
+ if test "$non_pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ non_pic_object="$xdir$non_pic_object"
+
+ # A standard non-PIC object
+ func_append non_pic_objects " $non_pic_object"
+ if test -z "$pic_object" || test "$pic_object" = none ; then
+ arg="$non_pic_object"
+ fi
+ else
+ # If the PIC object exists, use it instead.
+ # $xdir was prepended to $pic_object above.
+ non_pic_object="$pic_object"
+ func_append non_pic_objects " $non_pic_object"
+ fi
+ else
+ # Only an error if not doing a dry-run.
+ if $opt_dry_run; then
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ func_lo2o "$arg"
+ pic_object=$xdir$objdir/$func_lo2o_result
+ non_pic_object=$xdir$func_lo2o_result
+ func_append libobjs " $pic_object"
+ func_append non_pic_objects " $non_pic_object"
+ else
+ func_fatal_error "\`$arg' is not a valid libtool object"
+ fi
+ fi
+ done
+ else
+ func_fatal_error "link input file \`$arg' does not exist"
+ fi
+ arg=$save_arg
+ prev=
+ continue
+ ;;
+ precious_regex)
+ precious_files_regex="$arg"
+ prev=
+ continue
+ ;;
+ release)
+ release="-$arg"
+ prev=
+ continue
+ ;;
+ rpath | xrpath)
+ # We need an absolute path.
+ case $arg in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ func_fatal_error "only absolute run-paths are allowed"
+ ;;
+ esac
+ if test "$prev" = rpath; then
+ case "$rpath " in
+ *" $arg "*) ;;
+ *) func_append rpath " $arg" ;;
+ esac
+ else
+ case "$xrpath " in
+ *" $arg "*) ;;
+ *) func_append xrpath " $arg" ;;
+ esac
+ fi
+ prev=
+ continue
+ ;;
+ shrext)
+ shrext_cmds="$arg"
+ prev=
+ continue
+ ;;
+ weak)
+ func_append weak_libs " $arg"
+ prev=
+ continue
+ ;;
+ xcclinker)
+ func_append linker_flags " $qarg"
+ func_append compiler_flags " $qarg"
+ prev=
+ func_append compile_command " $qarg"
+ func_append finalize_command " $qarg"
+ continue
+ ;;
+ xcompiler)
+ func_append compiler_flags " $qarg"
+ prev=
+ func_append compile_command " $qarg"
+ func_append finalize_command " $qarg"
+ continue
+ ;;
+ xlinker)
+ func_append linker_flags " $qarg"
+ func_append compiler_flags " $wl$qarg"
+ prev=
+ func_append compile_command " $wl$qarg"
+ func_append finalize_command " $wl$qarg"
+ continue
+ ;;
+ *)
+ eval "$prev=\"\$arg\""
+ prev=
+ continue
+ ;;
+ esac
+ fi # test -n "$prev"
+
+ prevarg="$arg"
+
+ case $arg in
+ -all-static)
+ if test -n "$link_static_flag"; then
+ # See comment for -static flag below, for more details.
+ func_append compile_command " $link_static_flag"
+ func_append finalize_command " $link_static_flag"
+ fi
+ continue
+ ;;
+
+ -allow-undefined)
+ # FIXME: remove this flag sometime in the future.
+ func_fatal_error "\`-allow-undefined' must not be used because it is the default"
+ ;;
+
+ -avoid-version)
+ avoid_version=yes
+ continue
+ ;;
+
+ -bindir)
+ prev=bindir
+ continue
+ ;;
+
+ -dlopen)
+ prev=dlfiles
+ continue
+ ;;
+
+ -dlpreopen)
+ prev=dlprefiles
+ continue
+ ;;
+
+ -export-dynamic)
+ export_dynamic=yes
+ continue
+ ;;
+
+ -export-symbols | -export-symbols-regex)
+ if test -n "$export_symbols" || test -n "$export_symbols_regex"; then
+ func_fatal_error "more than one -exported-symbols argument is not allowed"
+ fi
+ if test "X$arg" = "X-export-symbols"; then
+ prev=expsyms
+ else
+ prev=expsyms_regex
+ fi
+ continue
+ ;;
+
+ -framework)
+ prev=framework
+ continue
+ ;;
+
+ -inst-prefix-dir)
+ prev=inst_prefix
+ continue
+ ;;
+
+ # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
+ # so, if we see these flags be careful not to treat them like -L
+ -L[A-Z][A-Z]*:*)
+ case $with_gcc/$host in
+ no/*-*-irix* | /*-*-irix*)
+ func_append compile_command " $arg"
+ func_append finalize_command " $arg"
+ ;;
+ esac
+ continue
+ ;;
+
+ -L*)
+ func_stripname "-L" '' "$arg"
+ if test -z "$func_stripname_result"; then
+ if test "$#" -gt 0; then
+ func_fatal_error "require no space between \`-L' and \`$1'"
+ else
+ func_fatal_error "need path for \`-L' option"
+ fi
+ fi
+ func_resolve_sysroot "$func_stripname_result"
+ dir=$func_resolve_sysroot_result
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ *)
+ absdir=`cd "$dir" && pwd`
+ test -z "$absdir" && \
+ func_fatal_error "cannot determine absolute directory name of \`$dir'"
+ dir="$absdir"
+ ;;
+ esac
+ case "$deplibs " in
+ *" -L$dir "* | *" $arg "*)
+ # Will only happen for absolute or sysroot arguments
+ ;;
+ *)
+ # Preserve sysroot, but never include relative directories
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;;
+ *) func_append deplibs " -L$dir" ;;
+ esac
+ func_append lib_search_path " $dir"
+ ;;
+ esac
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+ testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'`
+ case :$dllsearchpath: in
+ *":$dir:"*) ;;
+ ::) dllsearchpath=$dir;;
+ *) func_append dllsearchpath ":$dir";;
+ esac
+ case :$dllsearchpath: in
+ *":$testbindir:"*) ;;
+ ::) dllsearchpath=$testbindir;;
+ *) func_append dllsearchpath ":$testbindir";;
+ esac
+ ;;
+ esac
+ continue
+ ;;
+
+ -l*)
+ if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*)
+ # These systems don't actually have a C or math library (as such)
+ continue
+ ;;
+ *-*-os2*)
+ # These systems don't actually have a C library (as such)
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc due to us having libc/libc_r.
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # Rhapsody C and math libraries are in the System framework
+ func_append deplibs " System.ltframework"
+ continue
+ ;;
+ *-*-sco3.2v5* | *-*-sco5v6*)
+ # Causes problems with __ctype
+ test "X$arg" = "X-lc" && continue
+ ;;
+ *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+ # Compiler inserts libc in the correct place for threads to work
+ test "X$arg" = "X-lc" && continue
+ ;;
+ esac
+ elif test "X$arg" = "X-lc_r"; then
+ case $host in
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc_r directly, use -pthread flag.
+ continue
+ ;;
+ esac
+ fi
+ func_append deplibs " $arg"
+ continue
+ ;;
+
+ -module)
+ module=yes
+ continue
+ ;;
+
+ # Tru64 UNIX uses -model [arg] to determine the layout of C++
+ # classes, name mangling, and exception handling.
+ # Darwin uses the -arch flag to determine output architecture.
+ -model|-arch|-isysroot|--sysroot)
+ func_append compiler_flags " $arg"
+ func_append compile_command " $arg"
+ func_append finalize_command " $arg"
+ prev=xcompiler
+ continue
+ ;;
+
+ -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+ func_append compiler_flags " $arg"
+ func_append compile_command " $arg"
+ func_append finalize_command " $arg"
+ case "$new_inherited_linker_flags " in
+ *" $arg "*) ;;
+ * ) func_append new_inherited_linker_flags " $arg" ;;
+ esac
+ continue
+ ;;
+
+ -multi_module)
+ single_module="${wl}-multi_module"
+ continue
+ ;;
+
+ -no-fast-install)
+ fast_install=no
+ continue
+ ;;
+
+ -no-install)
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*)
+ # The PATH hackery in wrapper scripts is required on Windows
+ # and Darwin in order for the loader to find any dlls it needs.
+ func_warning "\`-no-install' is ignored for $host"
+ func_warning "assuming \`-no-fast-install' instead"
+ fast_install=no
+ ;;
+ *) no_install=yes ;;
+ esac
+ continue
+ ;;
+
+ -no-undefined)
+ allow_undefined=no
+ continue
+ ;;
+
+ -objectlist)
+ prev=objectlist
+ continue
+ ;;
+
+ -o) prev=output ;;
+
+ -precious-files-regex)
+ prev=precious_regex
+ continue
+ ;;
+
+ -release)
+ prev=release
+ continue
+ ;;
+
+ -rpath)
+ prev=rpath
+ continue
+ ;;
+
+ -R)
+ prev=xrpath
+ continue
+ ;;
+
+ -R*)
+ func_stripname '-R' '' "$arg"
+ dir=$func_stripname_result
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) ;;
+ =*)
+ func_stripname '=' '' "$dir"
+ dir=$lt_sysroot$func_stripname_result
+ ;;
+ *)
+ func_fatal_error "only absolute run-paths are allowed"
+ ;;
+ esac
+ case "$xrpath " in
+ *" $dir "*) ;;
+ *) func_append xrpath " $dir" ;;
+ esac
+ continue
+ ;;
+
+ -shared)
+ # The effects of -shared are defined in a previous loop.
+ continue
+ ;;
+
+ -shrext)
+ prev=shrext
+ continue
+ ;;
+
+ -static | -static-libtool-libs)
+ # The effects of -static are defined in a previous loop.
+ # We used to do the same as -all-static on platforms that
+ # didn't have a PIC flag, but the assumption that the effects
+ # would be equivalent was wrong. It would break on at least
+ # Digital Unix and AIX.
+ continue
+ ;;
+
+ -thread-safe)
+ thread_safe=yes
+ continue
+ ;;
+
+ -version-info)
+ prev=vinfo
+ continue
+ ;;
+
+ -version-number)
+ prev=vinfo
+ vinfo_number=yes
+ continue
+ ;;
+
+ -weak)
+ prev=weak
+ continue
+ ;;
+
+ -Wc,*)
+ func_stripname '-Wc,' '' "$arg"
+ args=$func_stripname_result
+ arg=
+ save_ifs="$IFS"; IFS=','
+ for flag in $args; do
+ IFS="$save_ifs"
+ func_quote_for_eval "$flag"
+ func_append arg " $func_quote_for_eval_result"
+ func_append compiler_flags " $func_quote_for_eval_result"
+ done
+ IFS="$save_ifs"
+ func_stripname ' ' '' "$arg"
+ arg=$func_stripname_result
+ ;;
+
+ -Wl,*)
+ func_stripname '-Wl,' '' "$arg"
+ args=$func_stripname_result
+ arg=
+ save_ifs="$IFS"; IFS=','
+ for flag in $args; do
+ IFS="$save_ifs"
+ func_quote_for_eval "$flag"
+ func_append arg " $wl$func_quote_for_eval_result"
+ func_append compiler_flags " $wl$func_quote_for_eval_result"
+ func_append linker_flags " $func_quote_for_eval_result"
+ done
+ IFS="$save_ifs"
+ func_stripname ' ' '' "$arg"
+ arg=$func_stripname_result
+ ;;
+
+ -Xcompiler)
+ prev=xcompiler
+ continue
+ ;;
+
+ -Xlinker)
+ prev=xlinker
+ continue
+ ;;
+
+ -XCClinker)
+ prev=xcclinker
+ continue
+ ;;
+
+ # -msg_* for osf cc
+ -msg_*)
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ ;;
+
+ # Flags to be passed through unchanged, with rationale:
+ # -64, -mips[0-9] enable 64-bit mode for the SGI compiler
+ # -r[0-9][0-9]* specify processor for the SGI compiler
+ # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler
+ # +DA*, +DD* enable 64-bit mode for the HP compiler
+ # -q* compiler args for the IBM compiler
+ # -m*, -t[45]*, -txscale* architecture-specific flags for GCC
+ # -F/path path to uninstalled frameworks, gcc on darwin
+ # -p, -pg, --coverage, -fprofile-* profiling flags for GCC
+ # @file GCC response files
+ # -tp=* Portland pgcc target processor selection
+ # --sysroot=* for sysroot support
+ # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+ -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
+ -O*|-flto*|-fwhopr*|-fuse-linker-plugin)
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ func_append compile_command " $arg"
+ func_append finalize_command " $arg"
+ func_append compiler_flags " $arg"
+ continue
+ ;;
+
+ # Some other compiler flag.
+ -* | +*)
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ ;;
+
+ *.$objext)
+ # A standard object.
+ func_append objs " $arg"
+ ;;
+
+ *.lo)
+ # A libtool-controlled object.
+
+ # Check to see that this really is a libtool object.
+ if func_lalib_unsafe_p "$arg"; then
+ pic_object=
+ non_pic_object=
+
+ # Read the .lo file
+ func_source "$arg"
+
+ if test -z "$pic_object" ||
+ test -z "$non_pic_object" ||
+ test "$pic_object" = none &&
+ test "$non_pic_object" = none; then
+ func_fatal_error "cannot find name of object for \`$arg'"
+ fi
+
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ if test "$pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ pic_object="$xdir$pic_object"
+
+ if test "$prev" = dlfiles; then
+ if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
+ func_append dlfiles " $pic_object"
+ prev=
+ continue
+ else
+ # If libtool objects are unsupported, then we need to preload.
+ prev=dlprefiles
+ fi
+ fi
+
+ # CHECK ME: I think I busted this. -Ossama
+ if test "$prev" = dlprefiles; then
+ # Preload the old-style object.
+ func_append dlprefiles " $pic_object"
+ prev=
+ fi
+
+ # A PIC object.
+ func_append libobjs " $pic_object"
+ arg="$pic_object"
+ fi
+
+ # Non-PIC object.
+ if test "$non_pic_object" != none; then
+ # Prepend the subdirectory the object is found in.
+ non_pic_object="$xdir$non_pic_object"
+
+ # A standard non-PIC object
+ func_append non_pic_objects " $non_pic_object"
+ if test -z "$pic_object" || test "$pic_object" = none ; then
+ arg="$non_pic_object"
+ fi
+ else
+ # If the PIC object exists, use it instead.
+ # $xdir was prepended to $pic_object above.
+ non_pic_object="$pic_object"
+ func_append non_pic_objects " $non_pic_object"
+ fi
+ else
+ # Only an error if not doing a dry-run.
+ if $opt_dry_run; then
+ # Extract subdirectory from the argument.
+ func_dirname "$arg" "/" ""
+ xdir="$func_dirname_result"
+
+ func_lo2o "$arg"
+ pic_object=$xdir$objdir/$func_lo2o_result
+ non_pic_object=$xdir$func_lo2o_result
+ func_append libobjs " $pic_object"
+ func_append non_pic_objects " $non_pic_object"
+ else
+ func_fatal_error "\`$arg' is not a valid libtool object"
+ fi
+ fi
+ ;;
+
+ *.$libext)
+ # An archive.
+ func_append deplibs " $arg"
+ func_append old_deplibs " $arg"
+ continue
+ ;;
+
+ *.la)
+ # A libtool-controlled library.
+
+ func_resolve_sysroot "$arg"
+ if test "$prev" = dlfiles; then
+ # This library was specified with -dlopen.
+ func_append dlfiles " $func_resolve_sysroot_result"
+ prev=
+ elif test "$prev" = dlprefiles; then
+ # The library was specified with -dlpreopen.
+ func_append dlprefiles " $func_resolve_sysroot_result"
+ prev=
+ else
+ func_append deplibs " $func_resolve_sysroot_result"
+ fi
+ continue
+ ;;
+
+ # Some other compiler argument.
+ *)
+ # Unknown arguments in both finalize_command and compile_command need
+ # to be aesthetically quoted because they are evaled later.
+ func_quote_for_eval "$arg"
+ arg="$func_quote_for_eval_result"
+ ;;
+ esac # arg
+
+ # Now actually substitute the argument into the commands.
+ if test -n "$arg"; then
+ func_append compile_command " $arg"
+ func_append finalize_command " $arg"
+ fi
+ done # argument parsing loop
+
+ test -n "$prev" && \
+ func_fatal_help "the \`$prevarg' option requires an argument"
+
+ if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then
+ eval arg=\"$export_dynamic_flag_spec\"
+ func_append compile_command " $arg"
+ func_append finalize_command " $arg"
+ fi
+
+ oldlibs=
+ # calculate the name of the file, without its directory
+ func_basename "$output"
+ outputname="$func_basename_result"
+ libobjs_save="$libobjs"
+
+ if test -n "$shlibpath_var"; then
+ # get the directories listed in $shlibpath_var
+ eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\`
+ else
+ shlib_search_path=
+ fi
+ eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
+ eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"
+
+ func_dirname "$output" "/" ""
+ output_objdir="$func_dirname_result$objdir"
+ func_to_tool_file "$output_objdir/"
+ tool_output_objdir=$func_to_tool_file_result
+ # Create the object directory.
+ func_mkdir_p "$output_objdir"
+
+ # Determine the type of output
+ case $output in
+ "")
+ func_fatal_help "you must specify an output file"
+ ;;
+ *.$libext) linkmode=oldlib ;;
+ *.lo | *.$objext) linkmode=obj ;;
+ *.la) linkmode=lib ;;
+ *) linkmode=prog ;; # Anything else should be a program.
+ esac
+
+ specialdeplibs=
+
+ libs=
+ # Find all interdependent deplibs by searching for libraries
+ # that are linked more than once (e.g. -la -lb -la)
+ for deplib in $deplibs; do
+ if $opt_preserve_dup_deps ; then
+ case "$libs " in
+ *" $deplib "*) func_append specialdeplibs " $deplib" ;;
+ esac
+ fi
+ func_append libs " $deplib"
+ done
+
+ if test "$linkmode" = lib; then
+ libs="$predeps $libs $compiler_lib_search_path $postdeps"
+
+ # Compute libraries that are listed more than once in $predeps
+ # $postdeps and mark them as special (i.e., whose duplicates are
+ # not to be eliminated).
+ pre_post_deps=
+ if $opt_duplicate_compiler_generated_deps; then
+ for pre_post_dep in $predeps $postdeps; do
+ case "$pre_post_deps " in
+ *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;;
+ esac
+ func_append pre_post_deps " $pre_post_dep"
+ done
+ fi
+ pre_post_deps=
+ fi
+
+ deplibs=
+ newdependency_libs=
+ newlib_search_path=
+ need_relink=no # whether we're linking any uninstalled libtool libraries
+ notinst_deplibs= # not-installed libtool libraries
+ notinst_path= # paths that contain not-installed libtool libraries
+
+ case $linkmode in
+ lib)
+ passes="conv dlpreopen link"
+ for file in $dlfiles $dlprefiles; do
+ case $file in
+ *.la) ;;
+ *)
+ func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file"
+ ;;
+ esac
+ done
+ ;;
+ prog)
+ compile_deplibs=
+ finalize_deplibs=
+ alldeplibs=no
+ newdlfiles=
+ newdlprefiles=
+ passes="conv scan dlopen dlpreopen link"
+ ;;
+ *) passes="conv"
+ ;;
+ esac
+
+ for pass in $passes; do
+ # The preopen pass in lib mode reverses $deplibs; put it back here
+ # so that -L comes before libs that need it for instance...
+ if test "$linkmode,$pass" = "lib,link"; then
+ ## FIXME: Find the place where the list is rebuilt in the wrong
+ ## order, and fix it there properly
+ tmp_deplibs=
+ for deplib in $deplibs; do
+ tmp_deplibs="$deplib $tmp_deplibs"
+ done
+ deplibs="$tmp_deplibs"
+ fi
+
+ if test "$linkmode,$pass" = "lib,link" ||
+ test "$linkmode,$pass" = "prog,scan"; then
+ libs="$deplibs"
+ deplibs=
+ fi
+ if test "$linkmode" = prog; then
+ case $pass in
+ dlopen) libs="$dlfiles" ;;
+ dlpreopen) libs="$dlprefiles" ;;
+ link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
+ esac
+ fi
+ if test "$linkmode,$pass" = "lib,dlpreopen"; then
+ # Collect and forward deplibs of preopened libtool libs
+ for lib in $dlprefiles; do
+ # Ignore non-libtool-libs
+ dependency_libs=
+ func_resolve_sysroot "$lib"
+ case $lib in
+ *.la) func_source "$func_resolve_sysroot_result" ;;
+ esac
+
+ # Collect preopened libtool deplibs, except any this library
+ # has declared as weak libs
+ for deplib in $dependency_libs; do
+ func_basename "$deplib"
+ deplib_base=$func_basename_result
+ case " $weak_libs " in
+ *" $deplib_base "*) ;;
+ *) func_append deplibs " $deplib" ;;
+ esac
+ done
+ done
+ libs="$dlprefiles"
+ fi
+ if test "$pass" = dlopen; then
+ # Collect dlpreopened libraries
+ save_deplibs="$deplibs"
+ deplibs=
+ fi
+
+ for deplib in $libs; do
+ lib=
+ found=no
+ case $deplib in
+ -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \
+ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*)
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ func_append compiler_flags " $deplib"
+ if test "$linkmode" = lib ; then
+ case "$new_inherited_linker_flags " in
+ *" $deplib "*) ;;
+ * ) func_append new_inherited_linker_flags " $deplib" ;;
+ esac
+ fi
+ fi
+ continue
+ ;;
+ -l*)
+ if test "$linkmode" != lib && test "$linkmode" != prog; then
+ func_warning "\`-l' is ignored for archives/objects"
+ continue
+ fi
+ func_stripname '-l' '' "$deplib"
+ name=$func_stripname_result
+ if test "$linkmode" = lib; then
+ searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path"
+ else
+ searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path"
+ fi
+ for searchdir in $searchdirs; do
+ for search_ext in .la $std_shrext .so .a; do
+ # Search the libtool library
+ lib="$searchdir/lib${name}${search_ext}"
+ if test -f "$lib"; then
+ if test "$search_ext" = ".la"; then
+ found=yes
+ else
+ found=no
+ fi
+ break 2
+ fi
+ done
+ done
+ if test "$found" != yes; then
+ # deplib doesn't seem to be a libtool library
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+ fi
+ continue
+ else # deplib is a libtool library
+ # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
+ # We need to do some special things here, and not later.
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $deplib "*)
+ if func_lalib_p "$lib"; then
+ library_names=
+ old_library=
+ func_source "$lib"
+ for l in $old_library $library_names; do
+ ll="$l"
+ done
+ if test "X$ll" = "X$old_library" ; then # only static version available
+ found=no
+ func_dirname "$lib" "" "."
+ ladir="$func_dirname_result"
+ lib=$ladir/$old_library
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
+ fi
+ continue
+ fi
+ fi
+ ;;
+ *) ;;
+ esac
+ fi
+ fi
+ ;; # -l
+ *.ltframework)
+ if test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ deplibs="$deplib $deplibs"
+ if test "$linkmode" = lib ; then
+ case "$new_inherited_linker_flags " in
+ *" $deplib "*) ;;
+ * ) func_append new_inherited_linker_flags " $deplib" ;;
+ esac
+ fi
+ fi
+ continue
+ ;;
+ -L*)
+ case $linkmode in
+ lib)
+ deplibs="$deplib $deplibs"
+ test "$pass" = conv && continue
+ newdependency_libs="$deplib $newdependency_libs"
+ func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ func_append newlib_search_path " $func_resolve_sysroot_result"
+ ;;
+ prog)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ continue
+ fi
+ if test "$pass" = scan; then
+ deplibs="$deplib $deplibs"
+ else
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ fi
+ func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ func_append newlib_search_path " $func_resolve_sysroot_result"
+ ;;
+ *)
+ func_warning "\`-L' is ignored for archives/objects"
+ ;;
+ esac # linkmode
+ continue
+ ;; # -L
+ -R*)
+ if test "$pass" = link; then
+ func_stripname '-R' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ dir=$func_resolve_sysroot_result
+ # Make sure the xrpath contains only unique directories.
+ case "$xrpath " in
+ *" $dir "*) ;;
+ *) func_append xrpath " $dir" ;;
+ esac
+ fi
+ deplibs="$deplib $deplibs"
+ continue
+ ;;
+ *.la)
+ func_resolve_sysroot "$deplib"
+ lib=$func_resolve_sysroot_result
+ ;;
+ *.$libext)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ continue
+ fi
+ case $linkmode in
+ lib)
+ # Linking convenience modules into shared libraries is allowed,
+ # but linking other static libraries is non-portable.
+ case " $dlpreconveniencelibs " in
+ *" $deplib "*) ;;
+ *)
+ valid_a_lib=no
+ case $deplibs_check_method in
+ match_pattern*)
+ set dummy $deplibs_check_method; shift
+ match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+ if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \
+ | $EGREP "$match_pattern_regex" > /dev/null; then
+ valid_a_lib=yes
+ fi
+ ;;
+ pass_all)
+ valid_a_lib=yes
+ ;;
+ esac
+ if test "$valid_a_lib" != yes; then
+ echo
+ $ECHO "*** Warning: Trying to link with static lib archive $deplib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because the file extensions .$libext of this argument makes me believe"
+ echo "*** that it is just a static archive that I should not use here."
+ else
+ echo
+ $ECHO "*** Warning: Linking the shared library $output against the"
+ $ECHO "*** static library $deplib is not portable!"
+ deplibs="$deplib $deplibs"
+ fi
+ ;;
+ esac
+ continue
+ ;;
+ prog)
+ if test "$pass" != link; then
+ deplibs="$deplib $deplibs"
+ else
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ fi
+ continue
+ ;;
+ esac # linkmode
+ ;; # *.$libext
+ *.lo | *.$objext)
+ if test "$pass" = conv; then
+ deplibs="$deplib $deplibs"
+ elif test "$linkmode" = prog; then
+ if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
+ # If there is no dlopen support or we're linking statically,
+ # we need to preload.
+ func_append newdlprefiles " $deplib"
+ compile_deplibs="$deplib $compile_deplibs"
+ finalize_deplibs="$deplib $finalize_deplibs"
+ else
+ func_append newdlfiles " $deplib"
+ fi
+ fi
+ continue
+ ;;
+ %DEPLIBS%)
+ alldeplibs=yes
+ continue
+ ;;
+ esac # case $deplib
+
+ if test "$found" = yes || test -f "$lib"; then :
+ else
+ func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'"
+ fi
+
+ # Check to see that this really is a libtool archive.
+ func_lalib_unsafe_p "$lib" \
+ || func_fatal_error "\`$lib' is not a valid libtool archive"
+
+ func_dirname "$lib" "" "."
+ ladir="$func_dirname_result"
+
+ dlname=
+ dlopen=
+ dlpreopen=
+ libdir=
+ library_names=
+ old_library=
+ inherited_linker_flags=
+ # If the library was installed with an old release of libtool,
+ # it will not redefine variables installed, or shouldnotlink
+ installed=yes
+ shouldnotlink=no
+ avoidtemprpath=
+
+
+ # Read the .la file
+ func_source "$lib"
+
+ # Convert "-framework foo" to "foo.ltframework"
+ if test -n "$inherited_linker_flags"; then
+ tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'`
+ for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do
+ case " $new_inherited_linker_flags " in
+ *" $tmp_inherited_linker_flag "*) ;;
+ *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";;
+ esac
+ done
+ fi
+ dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ if test "$linkmode,$pass" = "lib,link" ||
+ test "$linkmode,$pass" = "prog,scan" ||
+ { test "$linkmode" != prog && test "$linkmode" != lib; }; then
+ test -n "$dlopen" && func_append dlfiles " $dlopen"
+ test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen"
+ fi
+
+ if test "$pass" = conv; then
+ # Only check for convenience libraries
+ deplibs="$lib $deplibs"
+ if test -z "$libdir"; then
+ if test -z "$old_library"; then
+ func_fatal_error "cannot find name of link library for \`$lib'"
+ fi
+ # It is a libtool convenience library, so add in its objects.
+ func_append convenience " $ladir/$objdir/$old_library"
+ func_append old_convenience " $ladir/$objdir/$old_library"
+ elif test "$linkmode" != prog && test "$linkmode" != lib; then
+ func_fatal_error "\`$lib' is not a convenience library"
+ fi
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ deplibs="$deplib $deplibs"
+ if $opt_preserve_dup_deps ; then
+ case "$tmp_libs " in
+ *" $deplib "*) func_append specialdeplibs " $deplib" ;;
+ esac
+ fi
+ func_append tmp_libs " $deplib"
+ done
+ continue
+ fi # $pass = conv
+
+
+ # Get the name of the library we link against.
+ linklib=
+ if test -n "$old_library" &&
+ { test "$prefer_static_libs" = yes ||
+ test "$prefer_static_libs,$installed" = "built,no"; }; then
+ linklib=$old_library
+ else
+ for l in $old_library $library_names; do
+ linklib="$l"
+ done
+ fi
+ if test -z "$linklib"; then
+ func_fatal_error "cannot find name of link library for \`$lib'"
+ fi
+
+ # This library was specified with -dlopen.
+ if test "$pass" = dlopen; then
+ if test -z "$libdir"; then
+ func_fatal_error "cannot -dlopen a convenience library: \`$lib'"
+ fi
+ if test -z "$dlname" ||
+ test "$dlopen_support" != yes ||
+ test "$build_libtool_libs" = no; then
+ # If there is no dlname, no dlopen support or we're linking
+ # statically, we need to preload. We also need to preload any
+ # dependent libraries so libltdl's deplib preloader doesn't
+ # bomb out in the load deplibs phase.
+ func_append dlprefiles " $lib $dependency_libs"
+ else
+ func_append newdlfiles " $lib"
+ fi
+ continue
+ fi # $pass = dlopen
+
+ # We need an absolute path.
+ case $ladir in
+ [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
+ *)
+ abs_ladir=`cd "$ladir" && pwd`
+ if test -z "$abs_ladir"; then
+ func_warning "cannot determine absolute directory name of \`$ladir'"
+ func_warning "passing it literally to the linker, although it might fail"
+ abs_ladir="$ladir"
+ fi
+ ;;
+ esac
+ func_basename "$lib"
+ laname="$func_basename_result"
+
+ # Find the relevant object directory and library name.
+ if test "X$installed" = Xyes; then
+ if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+ func_warning "library \`$lib' was moved."
+ dir="$ladir"
+ absdir="$abs_ladir"
+ libdir="$abs_ladir"
+ else
+ dir="$lt_sysroot$libdir"
+ absdir="$lt_sysroot$libdir"
+ fi
+ test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
+ else
+ if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
+ dir="$ladir"
+ absdir="$abs_ladir"
+ # Remove this search path later
+ func_append notinst_path " $abs_ladir"
+ else
+ dir="$ladir/$objdir"
+ absdir="$abs_ladir/$objdir"
+ # Remove this search path later
+ func_append notinst_path " $abs_ladir"
+ fi
+ fi # $installed = yes
+ func_stripname 'lib' '.la' "$laname"
+ name=$func_stripname_result
+
+ # This library was specified with -dlpreopen.
+ if test "$pass" = dlpreopen; then
+ if test -z "$libdir" && test "$linkmode" = prog; then
+ func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'"
+ fi
+ case "$host" in
+ # special handling for platforms with PE-DLLs.
+ *cygwin* | *mingw* | *cegcc* )
+ # Linker will automatically link against shared library if both
+ # static and shared are present. Therefore, ensure we extract
+ # symbols from the import library if a shared library is present
+ # (otherwise, the dlopen module name will be incorrect). We do
+ # this by putting the import library name into $newdlprefiles.
+ # We recover the dlopen module name by 'saving' the la file
+ # name in a special purpose variable, and (later) extracting the
+ # dlname from the la file.
+ if test -n "$dlname"; then
+ func_tr_sh "$dir/$linklib"
+ eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname"
+ func_append newdlprefiles " $dir/$linklib"
+ else
+ func_append newdlprefiles " $dir/$old_library"
+ # Keep a list of preopened convenience libraries to check
+ # that they are being used correctly in the link pass.
+ test -z "$libdir" && \
+ func_append dlpreconveniencelibs " $dir/$old_library"
+ fi
+ ;;
+ * )
+ # Prefer using a static library (so that no silly _DYNAMIC symbols
+ # are required to link).
+ if test -n "$old_library"; then
+ func_append newdlprefiles " $dir/$old_library"
+ # Keep a list of preopened convenience libraries to check
+ # that they are being used correctly in the link pass.
+ test -z "$libdir" && \
+ func_append dlpreconveniencelibs " $dir/$old_library"
+ # Otherwise, use the dlname, so that lt_dlopen finds it.
+ elif test -n "$dlname"; then
+ func_append newdlprefiles " $dir/$dlname"
+ else
+ func_append newdlprefiles " $dir/$linklib"
+ fi
+ ;;
+ esac
+ fi # $pass = dlpreopen
+
+ if test -z "$libdir"; then
+ # Link the convenience library
+ if test "$linkmode" = lib; then
+ deplibs="$dir/$old_library $deplibs"
+ elif test "$linkmode,$pass" = "prog,link"; then
+ compile_deplibs="$dir/$old_library $compile_deplibs"
+ finalize_deplibs="$dir/$old_library $finalize_deplibs"
+ else
+ deplibs="$lib $deplibs" # used for prog,scan pass
+ fi
+ continue
+ fi
+
+
+ if test "$linkmode" = prog && test "$pass" != link; then
+ func_append newlib_search_path " $ladir"
+ deplibs="$lib $deplibs"
+
+ linkalldeplibs=no
+ if test "$link_all_deplibs" != no || test -z "$library_names" ||
+ test "$build_libtool_libs" = no; then
+ linkalldeplibs=yes
+ fi
+
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ case $deplib in
+ -L*) func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result"
+ func_append newlib_search_path " $func_resolve_sysroot_result"
+ ;;
+ esac
+ # Need to link against all dependency_libs?
+ if test "$linkalldeplibs" = yes; then
+ deplibs="$deplib $deplibs"
+ else
+ # Need to hardcode shared library paths
+ # or/and link against static libraries
+ newdependency_libs="$deplib $newdependency_libs"
+ fi
+ if $opt_preserve_dup_deps ; then
+ case "$tmp_libs " in
+ *" $deplib "*) func_append specialdeplibs " $deplib" ;;
+ esac
+ fi
+ func_append tmp_libs " $deplib"
+ done # for deplib
+ continue
+ fi # $linkmode = prog...
+
+ if test "$linkmode,$pass" = "prog,link"; then
+ if test -n "$library_names" &&
+ { { test "$prefer_static_libs" = no ||
+ test "$prefer_static_libs,$installed" = "built,yes"; } ||
+ test -z "$old_library"; }; then
+ # We need to hardcode the library path
+ if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then
+ # Make sure the rpath contains only unique directories.
+ case "$temp_rpath:" in
+ *"$absdir:"*) ;;
+ *) func_append temp_rpath "$absdir:" ;;
+ esac
+ fi
+
+ # Hardcode the library path.
+ # Skip directories that are in the system default run-time
+ # search path.
+ case " $sys_lib_dlsearch_path " in
+ *" $absdir "*) ;;
+ *)
+ case "$compile_rpath " in
+ *" $absdir "*) ;;
+ *) func_append compile_rpath " $absdir" ;;
+ esac
+ ;;
+ esac
+ case " $sys_lib_dlsearch_path " in
+ *" $libdir "*) ;;
+ *)
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) func_append finalize_rpath " $libdir" ;;
+ esac
+ ;;
+ esac
+ fi # $linkmode,$pass = prog,link...
+
+ if test "$alldeplibs" = yes &&
+ { test "$deplibs_check_method" = pass_all ||
+ { test "$build_libtool_libs" = yes &&
+ test -n "$library_names"; }; }; then
+ # We only need to search for static libraries
+ continue
+ fi
+ fi
+
+ link_static=no # Whether the deplib will be linked statically
+ use_static_libs=$prefer_static_libs
+ if test "$use_static_libs" = built && test "$installed" = yes; then
+ use_static_libs=no
+ fi
+ if test -n "$library_names" &&
+ { test "$use_static_libs" = no || test -z "$old_library"; }; then
+ case $host in
+ *cygwin* | *mingw* | *cegcc*)
+ # No point in relinking DLLs because paths are not encoded
+ func_append notinst_deplibs " $lib"
+ need_relink=no
+ ;;
+ *)
+ if test "$installed" = no; then
+ func_append notinst_deplibs " $lib"
+ need_relink=yes
+ fi
+ ;;
+ esac
+ # This is a shared library
+
+ # Warn about portability, can't link against -module's on some
+ # systems (darwin). Don't bleat about dlopened modules though!
+ dlopenmodule=""
+ for dlpremoduletest in $dlprefiles; do
+ if test "X$dlpremoduletest" = "X$lib"; then
+ dlopenmodule="$dlpremoduletest"
+ break
+ fi
+ done
+ if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then
+ echo
+ if test "$linkmode" = prog; then
+ $ECHO "*** Warning: Linking the executable $output against the loadable module"
+ else
+ $ECHO "*** Warning: Linking the shared library $output against the loadable module"
+ fi
+ $ECHO "*** $linklib is not portable!"
+ fi
+ if test "$linkmode" = lib &&
+ test "$hardcode_into_libs" = yes; then
+ # Hardcode the library path.
+ # Skip directories that are in the system default run-time
+ # search path.
+ case " $sys_lib_dlsearch_path " in
+ *" $absdir "*) ;;
+ *)
+ case "$compile_rpath " in
+ *" $absdir "*) ;;
+ *) func_append compile_rpath " $absdir" ;;
+ esac
+ ;;
+ esac
+ case " $sys_lib_dlsearch_path " in
+ *" $libdir "*) ;;
+ *)
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) func_append finalize_rpath " $libdir" ;;
+ esac
+ ;;
+ esac
+ fi
+
+ if test -n "$old_archive_from_expsyms_cmds"; then
+ # figure out the soname
+ set dummy $library_names
+ shift
+ realname="$1"
+ shift
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ # use dlname if we got it. it's perfectly good, no?
+ if test -n "$dlname"; then
+ soname="$dlname"
+ elif test -n "$soname_spec"; then
+ # bleh windows
+ case $host in
+ *cygwin* | mingw* | *cegcc*)
+ func_arith $current - $age
+ major=$func_arith_result
+ versuffix="-$major"
+ ;;
+ esac
+ eval soname=\"$soname_spec\"
+ else
+ soname="$realname"
+ fi
+
+ # Make a new name for the extract_expsyms_cmds to use
+ soroot="$soname"
+ func_basename "$soroot"
+ soname="$func_basename_result"
+ func_stripname 'lib' '.dll' "$soname"
+ newlib=libimp-$func_stripname_result.a
+
+ # If the library has no export list, then create one now
+ if test -f "$output_objdir/$soname-def"; then :
+ else
+ func_verbose "extracting exported symbol list from \`$soname'"
+ func_execute_cmds "$extract_expsyms_cmds" 'exit $?'
+ fi
+
+ # Create $newlib
+ if test -f "$output_objdir/$newlib"; then :; else
+ func_verbose "generating import library for \`$soname'"
+ func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?'
+ fi
+ # make sure the library variables are pointing to the new library
+ dir=$output_objdir
+ linklib=$newlib
+ fi # test -n "$old_archive_from_expsyms_cmds"
+
+ if test "$linkmode" = prog || test "$opt_mode" != relink; then
+ add_shlibpath=
+ add_dir=
+ add=
+ lib_linked=yes
+ case $hardcode_action in
+ immediate | unsupported)
+ if test "$hardcode_direct" = no; then
+ add="$dir/$linklib"
+ case $host in
+ *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;;
+ *-*-sysv4*uw2*) add_dir="-L$dir" ;;
+ *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \
+ *-*-unixware7*) add_dir="-L$dir" ;;
+ *-*-darwin* )
+ # if the lib is a (non-dlopened) module then we can not
+ # link against it, someone is ignoring the earlier warnings
+ if /usr/bin/file -L $add 2> /dev/null |
+ $GREP ": [^:]* bundle" >/dev/null ; then
+ if test "X$dlopenmodule" != "X$lib"; then
+ $ECHO "*** Warning: lib $linklib is a module, not a shared library"
+ if test -z "$old_library" ; then
+ echo
+ echo "*** And there doesn't seem to be a static archive available"
+ echo "*** The link will probably fail, sorry"
+ else
+ add="$dir/$old_library"
+ fi
+ elif test -n "$old_library"; then
+ add="$dir/$old_library"
+ fi
+ fi
+ esac
+ elif test "$hardcode_minus_L" = no; then
+ case $host in
+ *-*-sunos*) add_shlibpath="$dir" ;;
+ esac
+ add_dir="-L$dir"
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = no; then
+ add_shlibpath="$dir"
+ add="-l$name"
+ else
+ lib_linked=no
+ fi
+ ;;
+ relink)
+ if test "$hardcode_direct" = yes &&
+ test "$hardcode_direct_absolute" = no; then
+ add="$dir/$linklib"
+ elif test "$hardcode_minus_L" = yes; then
+ add_dir="-L$absdir"
+ # Try looking first in the location we're being installed to.
+ if test -n "$inst_prefix_dir"; then
+ case $libdir in
+ [\\/]*)
+ func_append add_dir " -L$inst_prefix_dir$libdir"
+ ;;
+ esac
+ fi
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = yes; then
+ add_shlibpath="$dir"
+ add="-l$name"
+ else
+ lib_linked=no
+ fi
+ ;;
+ *) lib_linked=no ;;
+ esac
+
+ if test "$lib_linked" != yes; then
+ func_fatal_configuration "unsupported hardcode properties"
+ fi
+
+ if test -n "$add_shlibpath"; then
+ case :$compile_shlibpath: in
+ *":$add_shlibpath:"*) ;;
+ *) func_append compile_shlibpath "$add_shlibpath:" ;;
+ esac
+ fi
+ if test "$linkmode" = prog; then
+ test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs"
+ test -n "$add" && compile_deplibs="$add $compile_deplibs"
+ else
+ test -n "$add_dir" && deplibs="$add_dir $deplibs"
+ test -n "$add" && deplibs="$add $deplibs"
+ if test "$hardcode_direct" != yes &&
+ test "$hardcode_minus_L" != yes &&
+ test "$hardcode_shlibpath_var" = yes; then
+ case :$finalize_shlibpath: in
+ *":$libdir:"*) ;;
+ *) func_append finalize_shlibpath "$libdir:" ;;
+ esac
+ fi
+ fi
+ fi
+
+ if test "$linkmode" = prog || test "$opt_mode" = relink; then
+ add_shlibpath=
+ add_dir=
+ add=
+ # Finalize command for both is simple: just hardcode it.
+ if test "$hardcode_direct" = yes &&
+ test "$hardcode_direct_absolute" = no; then
+ add="$libdir/$linklib"
+ elif test "$hardcode_minus_L" = yes; then
+ add_dir="-L$libdir"
+ add="-l$name"
+ elif test "$hardcode_shlibpath_var" = yes; then
+ case :$finalize_shlibpath: in
+ *":$libdir:"*) ;;
+ *) func_append finalize_shlibpath "$libdir:" ;;
+ esac
+ add="-l$name"
+ elif test "$hardcode_automatic" = yes; then
+ if test -n "$inst_prefix_dir" &&
+ test -f "$inst_prefix_dir$libdir/$linklib" ; then
+ add="$inst_prefix_dir$libdir/$linklib"
+ else
+ add="$libdir/$linklib"
+ fi
+ else
+ # We cannot seem to hardcode it, guess we'll fake it.
+ add_dir="-L$libdir"
+ # Try looking first in the location we're being installed to.
+ if test -n "$inst_prefix_dir"; then
+ case $libdir in
+ [\\/]*)
+ func_append add_dir " -L$inst_prefix_dir$libdir"
+ ;;
+ esac
+ fi
+ add="-l$name"
+ fi
+
+ if test "$linkmode" = prog; then
+ test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs"
+ test -n "$add" && finalize_deplibs="$add $finalize_deplibs"
+ else
+ test -n "$add_dir" && deplibs="$add_dir $deplibs"
+ test -n "$add" && deplibs="$add $deplibs"
+ fi
+ fi
+ elif test "$linkmode" = prog; then
+ # Here we assume that one of hardcode_direct or hardcode_minus_L
+ # is not unsupported. This is valid on all known static and
+ # shared platforms.
+ if test "$hardcode_direct" != unsupported; then
+ test -n "$old_library" && linklib="$old_library"
+ compile_deplibs="$dir/$linklib $compile_deplibs"
+ finalize_deplibs="$dir/$linklib $finalize_deplibs"
+ else
+ compile_deplibs="-l$name -L$dir $compile_deplibs"
+ finalize_deplibs="-l$name -L$dir $finalize_deplibs"
+ fi
+ elif test "$build_libtool_libs" = yes; then
+ # Not a shared library
+ if test "$deplibs_check_method" != pass_all; then
+ # We're trying link a shared library against a static one
+ # but the system doesn't support it.
+
+ # Just print a warning and add the library to dependency_libs so
+ # that the program can be linked against the static library.
+ echo
+ $ECHO "*** Warning: This system can not link to static lib archive $lib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have."
+ if test "$module" = yes; then
+ echo "*** But as you try to build a module library, libtool will still create "
+ echo "*** a static module, that should work as long as the dlopening application"
+ echo "*** is linked with the -dlopen flag to resolve symbols at runtime."
+ if test -z "$global_symbol_pipe"; then
+ echo
+ echo "*** However, this would only work if libtool was able to extract symbol"
+ echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+ echo "*** not find such a program. So, this module is probably useless."
+ echo "*** \`nm' from GNU binutils and a full rebuild may help."
+ fi
+ if test "$build_old_libs" = no; then
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ fi
+ else
+ deplibs="$dir/$old_library $deplibs"
+ link_static=yes
+ fi
+ fi # link shared/static library?
+
+ if test "$linkmode" = lib; then
+ if test -n "$dependency_libs" &&
+ { test "$hardcode_into_libs" != yes ||
+ test "$build_old_libs" = yes ||
+ test "$link_static" = yes; }; then
+ # Extract -R from dependency_libs
+ temp_deplibs=
+ for libdir in $dependency_libs; do
+ case $libdir in
+ -R*) func_stripname '-R' '' "$libdir"
+ temp_xrpath=$func_stripname_result
+ case " $xrpath " in
+ *" $temp_xrpath "*) ;;
+ *) func_append xrpath " $temp_xrpath";;
+ esac;;
+ *) func_append temp_deplibs " $libdir";;
+ esac
+ done
+ dependency_libs="$temp_deplibs"
+ fi
+
+ func_append newlib_search_path " $absdir"
+ # Link against this library
+ test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs"
+ # ... and its dependency_libs
+ tmp_libs=
+ for deplib in $dependency_libs; do
+ newdependency_libs="$deplib $newdependency_libs"
+ case $deplib in
+ -L*) func_stripname '-L' '' "$deplib"
+ func_resolve_sysroot "$func_stripname_result";;
+ *) func_resolve_sysroot "$deplib" ;;
+ esac
+ if $opt_preserve_dup_deps ; then
+ case "$tmp_libs " in
+ *" $func_resolve_sysroot_result "*)
+ func_append specialdeplibs " $func_resolve_sysroot_result" ;;
+ esac
+ fi
+ func_append tmp_libs " $func_resolve_sysroot_result"
+ done
+
+ if test "$link_all_deplibs" != no; then
+ # Add the search paths of all dependency libraries
+ for deplib in $dependency_libs; do
+ path=
+ case $deplib in
+ -L*) path="$deplib" ;;
+ *.la)
+ func_resolve_sysroot "$deplib"
+ deplib=$func_resolve_sysroot_result
+ func_dirname "$deplib" "" "."
+ dir=$func_dirname_result
+ # We need an absolute path.
+ case $dir in
+ [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;;
+ *)
+ absdir=`cd "$dir" && pwd`
+ if test -z "$absdir"; then
+ func_warning "cannot determine absolute directory name of \`$dir'"
+ absdir="$dir"
+ fi
+ ;;
+ esac
+ if $GREP "^installed=no" $deplib > /dev/null; then
+ case $host in
+ *-*-darwin*)
+ depdepl=
+ eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib`
+ if test -n "$deplibrary_names" ; then
+ for tmp in $deplibrary_names ; do
+ depdepl=$tmp
+ done
+ if test -f "$absdir/$objdir/$depdepl" ; then
+ depdepl="$absdir/$objdir/$depdepl"
+ darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+ if test -z "$darwin_install_name"; then
+ darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'`
+ fi
+ func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}"
+ func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}"
+ path=
+ fi
+ fi
+ ;;
+ *)
+ path="-L$absdir/$objdir"
+ ;;
+ esac
+ else
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib`
+ test -z "$libdir" && \
+ func_fatal_error "\`$deplib' is not a valid libtool archive"
+ test "$absdir" != "$libdir" && \
+ func_warning "\`$deplib' seems to be moved"
+
+ path="-L$absdir"
+ fi
+ ;;
+ esac
+ case " $deplibs " in
+ *" $path "*) ;;
+ *) deplibs="$path $deplibs" ;;
+ esac
+ done
+ fi # link_all_deplibs != no
+ fi # linkmode = lib
+ done # for deplib in $libs
+ if test "$pass" = link; then
+ if test "$linkmode" = "prog"; then
+ compile_deplibs="$new_inherited_linker_flags $compile_deplibs"
+ finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs"
+ else
+ compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ fi
+ fi
+ dependency_libs="$newdependency_libs"
+ if test "$pass" = dlpreopen; then
+ # Link the dlpreopened libraries before other libraries
+ for deplib in $save_deplibs; do
+ deplibs="$deplib $deplibs"
+ done
+ fi
+ if test "$pass" != dlopen; then
+ if test "$pass" != conv; then
+ # Make sure lib_search_path contains only unique directories.
+ lib_search_path=
+ for dir in $newlib_search_path; do
+ case "$lib_search_path " in
+ *" $dir "*) ;;
+ *) func_append lib_search_path " $dir" ;;
+ esac
+ done
+ newlib_search_path=
+ fi
+
+ if test "$linkmode,$pass" != "prog,link"; then
+ vars="deplibs"
+ else
+ vars="compile_deplibs finalize_deplibs"
+ fi
+ for var in $vars dependency_libs; do
+ # Add libraries to $var in reverse order
+ eval tmp_libs=\"\$$var\"
+ new_libs=
+ for deplib in $tmp_libs; do
+ # FIXME: Pedantically, this is the right thing to do, so
+ # that some nasty dependency loop isn't accidentally
+ # broken:
+ #new_libs="$deplib $new_libs"
+ # Pragmatically, this seems to cause very few problems in
+ # practice:
+ case $deplib in
+ -L*) new_libs="$deplib $new_libs" ;;
+ -R*) ;;
+ *)
+ # And here is the reason: when a library appears more
+ # than once as an explicit dependence of a library, or
+ # is implicitly linked in more than once by the
+ # compiler, it is considered special, and multiple
+ # occurrences thereof are not removed. Compare this
+ # with having the same library being listed as a
+ # dependency of multiple other libraries: in this case,
+ # we know (pedantically, we assume) the library does not
+ # need to be listed more than once, so we keep only the
+ # last copy. This is not always right, but it is rare
+ # enough that we require users that really mean to play
+ # such unportable linking tricks to link the library
+ # using -Wl,-lname, so that libtool does not consider it
+ # for duplicate removal.
+ case " $specialdeplibs " in
+ *" $deplib "*) new_libs="$deplib $new_libs" ;;
+ *)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) new_libs="$deplib $new_libs" ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ done
+ tmp_libs=
+ for deplib in $new_libs; do
+ case $deplib in
+ -L*)
+ case " $tmp_libs " in
+ *" $deplib "*) ;;
+ *) func_append tmp_libs " $deplib" ;;
+ esac
+ ;;
+ *) func_append tmp_libs " $deplib" ;;
+ esac
+ done
+ eval $var=\"$tmp_libs\"
+ done # for var
+ fi
+ # Last step: remove runtime libs from dependency_libs
+ # (they stay in deplibs)
+ tmp_libs=
+ for i in $dependency_libs ; do
+ case " $predeps $postdeps $compiler_lib_search_path " in
+ *" $i "*)
+ i=""
+ ;;
+ esac
+ if test -n "$i" ; then
+ func_append tmp_libs " $i"
+ fi
+ done
+ dependency_libs=$tmp_libs
+ done # for pass
+ if test "$linkmode" = prog; then
+ dlfiles="$newdlfiles"
+ fi
+ if test "$linkmode" = prog || test "$linkmode" = lib; then
+ dlprefiles="$newdlprefiles"
+ fi
+
+ case $linkmode in
+ oldlib)
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ func_warning "\`-dlopen' is ignored for archives"
+ fi
+
+ case " $deplibs" in
+ *\ -l* | *\ -L*)
+ func_warning "\`-l' and \`-L' are ignored for archives" ;;
+ esac
+
+ test -n "$rpath" && \
+ func_warning "\`-rpath' is ignored for archives"
+
+ test -n "$xrpath" && \
+ func_warning "\`-R' is ignored for archives"
+
+ test -n "$vinfo" && \
+ func_warning "\`-version-info/-version-number' is ignored for archives"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for archives"
+
+ test -n "$export_symbols$export_symbols_regex" && \
+ func_warning "\`-export-symbols' is ignored for archives"
+
+ # Now set the variables for building old libraries.
+ build_libtool_libs=no
+ oldlibs="$output"
+ func_append objs "$old_deplibs"
+ ;;
+
+ lib)
+ # Make sure we only generate libraries of the form `libNAME.la'.
+ case $outputname in
+ lib*)
+ func_stripname 'lib' '.la' "$outputname"
+ name=$func_stripname_result
+ eval shared_ext=\"$shrext_cmds\"
+ eval libname=\"$libname_spec\"
+ ;;
+ *)
+ test "$module" = no && \
+ func_fatal_help "libtool library \`$output' must begin with \`lib'"
+
+ if test "$need_lib_prefix" != no; then
+ # Add the "lib" prefix for modules if required
+ func_stripname '' '.la' "$outputname"
+ name=$func_stripname_result
+ eval shared_ext=\"$shrext_cmds\"
+ eval libname=\"$libname_spec\"
+ else
+ func_stripname '' '.la' "$outputname"
+ libname=$func_stripname_result
+ fi
+ ;;
+ esac
+
+ if test -n "$objs"; then
+ if test "$deplibs_check_method" != pass_all; then
+ func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs"
+ else
+ echo
+ $ECHO "*** Warning: Linking the shared library $output against the non-libtool"
+ $ECHO "*** objects $objs is not portable!"
+ func_append libobjs " $objs"
+ fi
+ fi
+
+ test "$dlself" != no && \
+ func_warning "\`-dlopen self' is ignored for libtool libraries"
+
+ set dummy $rpath
+ shift
+ test "$#" -gt 1 && \
+ func_warning "ignoring multiple \`-rpath's for a libtool library"
+
+ install_libdir="$1"
+
+ oldlibs=
+ if test -z "$rpath"; then
+ if test "$build_libtool_libs" = yes; then
+ # Building a libtool convenience library.
+ # Some compilers have problems with a `.al' extension so
+ # convenience libraries should have the same extension an
+ # archive normally would.
+ oldlibs="$output_objdir/$libname.$libext $oldlibs"
+ build_libtool_libs=convenience
+ build_old_libs=yes
+ fi
+
+ test -n "$vinfo" && \
+ func_warning "\`-version-info/-version-number' is ignored for convenience libraries"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for convenience libraries"
+ else
+
+ # Parse the version information argument.
+ save_ifs="$IFS"; IFS=':'
+ set dummy $vinfo 0 0 0
+ shift
+ IFS="$save_ifs"
+
+ test -n "$7" && \
+ func_fatal_help "too many parameters to \`-version-info'"
+
+ # convert absolute version numbers to libtool ages
+ # this retains compatibility with .la files and attempts
+ # to make the code below a bit more comprehensible
+
+ case $vinfo_number in
+ yes)
+ number_major="$1"
+ number_minor="$2"
+ number_revision="$3"
+ #
+ # There are really only two kinds -- those that
+ # use the current revision as the major version
+ # and those that subtract age and use age as
+ # a minor version. But, then there is irix
+ # which has an extra 1 added just for fun
+ #
+ case $version_type in
+ # correct linux to gnu/linux during the next big refactor
+ darwin|linux|osf|windows|none)
+ func_arith $number_major + $number_minor
+ current=$func_arith_result
+ age="$number_minor"
+ revision="$number_revision"
+ ;;
+ freebsd-aout|freebsd-elf|qnx|sunos)
+ current="$number_major"
+ revision="$number_minor"
+ age="0"
+ ;;
+ irix|nonstopux)
+ func_arith $number_major + $number_minor
+ current=$func_arith_result
+ age="$number_minor"
+ revision="$number_minor"
+ lt_irix_increment=no
+ ;;
+ esac
+ ;;
+ no)
+ current="$1"
+ revision="$2"
+ age="$3"
+ ;;
+ esac
+
+ # Check that each of the things are valid numbers.
+ case $current in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ func_error "CURRENT \`$current' must be a nonnegative integer"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ ;;
+ esac
+
+ case $revision in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ func_error "REVISION \`$revision' must be a nonnegative integer"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ ;;
+ esac
+
+ case $age in
+ 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;;
+ *)
+ func_error "AGE \`$age' must be a nonnegative integer"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ ;;
+ esac
+
+ if test "$age" -gt "$current"; then
+ func_error "AGE \`$age' is greater than the current interface number \`$current'"
+ func_fatal_error "\`$vinfo' is not valid version information"
+ fi
+
+ # Calculate the version variables.
+ major=
+ versuffix=
+ verstring=
+ case $version_type in
+ none) ;;
+
+ darwin)
+ # Like Linux, but with the current version available in
+ # verstring for coding it into the library header
+ func_arith $current - $age
+ major=.$func_arith_result
+ versuffix="$major.$age.$revision"
+ # Darwin ld doesn't like 0 for these options...
+ func_arith $current + 1
+ minor_current=$func_arith_result
+ xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision"
+ verstring="-compatibility_version $minor_current -current_version $minor_current.$revision"
+ ;;
+
+ freebsd-aout)
+ major=".$current"
+ versuffix=".$current.$revision";
+ ;;
+
+ freebsd-elf)
+ major=".$current"
+ versuffix=".$current"
+ ;;
+
+ irix | nonstopux)
+ if test "X$lt_irix_increment" = "Xno"; then
+ func_arith $current - $age
+ else
+ func_arith $current - $age + 1
+ fi
+ major=$func_arith_result
+
+ case $version_type in
+ nonstopux) verstring_prefix=nonstopux ;;
+ *) verstring_prefix=sgi ;;
+ esac
+ verstring="$verstring_prefix$major.$revision"
+
+ # Add in all the interfaces that we are compatible with.
+ loop=$revision
+ while test "$loop" -ne 0; do
+ func_arith $revision - $loop
+ iface=$func_arith_result
+ func_arith $loop - 1
+ loop=$func_arith_result
+ verstring="$verstring_prefix$major.$iface:$verstring"
+ done
+
+ # Before this point, $major must not contain `.'.
+ major=.$major
+ versuffix="$major.$revision"
+ ;;
+
+ linux) # correct to gnu/linux during the next big refactor
+ func_arith $current - $age
+ major=.$func_arith_result
+ versuffix="$major.$age.$revision"
+ ;;
+
+ osf)
+ func_arith $current - $age
+ major=.$func_arith_result
+ versuffix=".$current.$age.$revision"
+ verstring="$current.$age.$revision"
+
+ # Add in all the interfaces that we are compatible with.
+ loop=$age
+ while test "$loop" -ne 0; do
+ func_arith $current - $loop
+ iface=$func_arith_result
+ func_arith $loop - 1
+ loop=$func_arith_result
+ verstring="$verstring:${iface}.0"
+ done
+
+ # Make executables depend on our current version.
+ func_append verstring ":${current}.0"
+ ;;
+
+ qnx)
+ major=".$current"
+ versuffix=".$current"
+ ;;
+
+ sunos)
+ major=".$current"
+ versuffix=".$current.$revision"
+ ;;
+
+ windows)
+ # Use '-' rather than '.', since we only want one
+ # extension on DOS 8.3 filesystems.
+ func_arith $current - $age
+ major=$func_arith_result
+ versuffix="-$major"
+ ;;
+
+ *)
+ func_fatal_configuration "unknown library version type \`$version_type'"
+ ;;
+ esac
+
+ # Clear the version info if we defaulted, and they specified a release.
+ if test -z "$vinfo" && test -n "$release"; then
+ major=
+ case $version_type in
+ darwin)
+ # we can't check for "0.0" in archive_cmds due to quoting
+ # problems, so we reset it completely
+ verstring=
+ ;;
+ *)
+ verstring="0.0"
+ ;;
+ esac
+ if test "$need_version" = no; then
+ versuffix=
+ else
+ versuffix=".0.0"
+ fi
+ fi
+
+ # Remove version info from name if versioning should be avoided
+ if test "$avoid_version" = yes && test "$need_version" = no; then
+ major=
+ versuffix=
+ verstring=""
+ fi
+
+ # Check to see if the archive will have undefined symbols.
+ if test "$allow_undefined" = yes; then
+ if test "$allow_undefined_flag" = unsupported; then
+ func_warning "undefined symbols not allowed in $host shared libraries"
+ build_libtool_libs=no
+ build_old_libs=yes
+ fi
+ else
+ # Don't allow undefined symbols.
+ allow_undefined_flag="$no_undefined_flag"
+ fi
+
+ fi
+
+ func_generate_dlsyms "$libname" "$libname" "yes"
+ func_append libobjs " $symfileobj"
+ test "X$libobjs" = "X " && libobjs=
+
+ if test "$opt_mode" != relink; then
+ # Remove our outputs, but don't remove object files since they
+ # may have been created when compiling PIC objects.
+ removelist=
+ tempremovelist=`$ECHO "$output_objdir/*"`
+ for p in $tempremovelist; do
+ case $p in
+ *.$objext | *.gcno)
+ ;;
+ $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*)
+ if test "X$precious_files_regex" != "X"; then
+ if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1
+ then
+ continue
+ fi
+ fi
+ func_append removelist " $p"
+ ;;
+ *) ;;
+ esac
+ done
+ test -n "$removelist" && \
+ func_show_eval "${RM}r \$removelist"
+ fi
+
+ # Now set the variables for building old libraries.
+ if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then
+ func_append oldlibs " $output_objdir/$libname.$libext"
+
+ # Transform .lo files to .o files.
+ oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP`
+ fi
+
+ # Eliminate all temporary directories.
+ #for path in $notinst_path; do
+ # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"`
+ # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"`
+ # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"`
+ #done
+
+ if test -n "$xrpath"; then
+ # If the user specified any rpath flags, then add them.
+ temp_xrpath=
+ for libdir in $xrpath; do
+ func_replace_sysroot "$libdir"
+ func_append temp_xrpath " -R$func_replace_sysroot_result"
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) func_append finalize_rpath " $libdir" ;;
+ esac
+ done
+ if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then
+ dependency_libs="$temp_xrpath $dependency_libs"
+ fi
+ fi
+
+ # Make sure dlfiles contains only unique files that won't be dlpreopened
+ old_dlfiles="$dlfiles"
+ dlfiles=
+ for lib in $old_dlfiles; do
+ case " $dlprefiles $dlfiles " in
+ *" $lib "*) ;;
+ *) func_append dlfiles " $lib" ;;
+ esac
+ done
+
+ # Make sure dlprefiles contains only unique files
+ old_dlprefiles="$dlprefiles"
+ dlprefiles=
+ for lib in $old_dlprefiles; do
+ case "$dlprefiles " in
+ *" $lib "*) ;;
+ *) func_append dlprefiles " $lib" ;;
+ esac
+ done
+
+ if test "$build_libtool_libs" = yes; then
+ if test -n "$rpath"; then
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*)
+ # these systems don't actually have a c library (as such)!
+ ;;
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # Rhapsody C library is in the System framework
+ func_append deplibs " System.ltframework"
+ ;;
+ *-*-netbsd*)
+ # Don't link with libc until the a.out ld.so is fixed.
+ ;;
+ *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*)
+ # Do not include libc due to us having libc/libc_r.
+ ;;
+ *-*-sco3.2v5* | *-*-sco5v6*)
+ # Causes problems with __ctype
+ ;;
+ *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*)
+ # Compiler inserts libc in the correct place for threads to work
+ ;;
+ *)
+ # Add libc to deplibs on all other systems if necessary.
+ if test "$build_libtool_need_lc" = "yes"; then
+ func_append deplibs " -lc"
+ fi
+ ;;
+ esac
+ fi
+
+ # Transform deplibs into only deplibs that can be linked in shared.
+ name_save=$name
+ libname_save=$libname
+ release_save=$release
+ versuffix_save=$versuffix
+ major_save=$major
+ # I'm not sure if I'm treating the release correctly. I think
+ # release should show up in the -l (ie -lgmp5) so we don't want to
+ # add it in twice. Is that correct?
+ release=""
+ versuffix=""
+ major=""
+ newdeplibs=
+ droppeddeps=no
+ case $deplibs_check_method in
+ pass_all)
+ # Don't check for shared/static. Everything works.
+ # This might be a little naive. We might want to check
+ # whether the library exists or not. But this is on
+ # osf3 & osf4 and I'm not really sure... Just
+ # implementing what was already the behavior.
+ newdeplibs=$deplibs
+ ;;
+ test_compile)
+ # This code stresses the "libraries are programs" paradigm to its
+ # limits. Maybe even breaks it. We compile a program, linking it
+ # against the deplibs as a proxy for the library. Then we can check
+ # whether they linked in statically or dynamically with ldd.
+ $opt_dry_run || $RM conftest.c
+ cat > conftest.c <<EOF
+ int main() { return 0; }
+EOF
+ $opt_dry_run || $RM conftest
+ if $LTCC $LTCFLAGS -o conftest conftest.c $deplibs; then
+ ldd_output=`ldd conftest`
+ for i in $deplibs; do
+ case $i in
+ -l*)
+ func_stripname -l '' "$i"
+ name=$func_stripname_result
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $i "*)
+ func_append newdeplibs " $i"
+ i=""
+ ;;
+ esac
+ fi
+ if test -n "$i" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+ set dummy $deplib_matches; shift
+ deplib_match=$1
+ if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+ func_append newdeplibs " $i"
+ else
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which I believe you do not have"
+ echo "*** because a test_compile did reveal that the linker did not use it for"
+ echo "*** its dynamic dependency list that programs get resolved with at runtime."
+ fi
+ fi
+ ;;
+ *)
+ func_append newdeplibs " $i"
+ ;;
+ esac
+ done
+ else
+ # Error occurred in the first compile. Let's try to salvage
+ # the situation: Compile a separate program for each library.
+ for i in $deplibs; do
+ case $i in
+ -l*)
+ func_stripname -l '' "$i"
+ name=$func_stripname_result
+ $opt_dry_run || $RM conftest
+ if $LTCC $LTCFLAGS -o conftest conftest.c $i; then
+ ldd_output=`ldd conftest`
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $i "*)
+ func_append newdeplibs " $i"
+ i=""
+ ;;
+ esac
+ fi
+ if test -n "$i" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ deplib_matches=`eval "\\$ECHO \"$library_names_spec\""`
+ set dummy $deplib_matches; shift
+ deplib_match=$1
+ if test `expr "$ldd_output" : ".*$deplib_match"` -ne 0 ; then
+ func_append newdeplibs " $i"
+ else
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: dynamic linker does not accept needed library $i."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because a test_compile did reveal that the linker did not use this one"
+ echo "*** as a dynamic dependency that programs can get resolved with at runtime."
+ fi
+ fi
+ else
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning! Library $i is needed by this library but I was not able to"
+ echo "*** make it link in! You will probably need to install it or some"
+ echo "*** library that it depends on before this library will be fully"
+ echo "*** functional. Installing it before continuing would be even better."
+ fi
+ ;;
+ *)
+ func_append newdeplibs " $i"
+ ;;
+ esac
+ done
+ fi
+ ;;
+ file_magic*)
+ set dummy $deplibs_check_method; shift
+ file_magic_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+ for a_deplib in $deplibs; do
+ case $a_deplib in
+ -l*)
+ func_stripname -l '' "$a_deplib"
+ name=$func_stripname_result
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $a_deplib "*)
+ func_append newdeplibs " $a_deplib"
+ a_deplib=""
+ ;;
+ esac
+ fi
+ if test -n "$a_deplib" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ if test -n "$file_magic_glob"; then
+ libnameglob=`func_echo_all "$libname" | $SED -e $file_magic_glob`
+ else
+ libnameglob=$libname
+ fi
+ test "$want_nocaseglob" = yes && nocaseglob=`shopt -p nocaseglob`
+ for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+ if test "$want_nocaseglob" = yes; then
+ shopt -s nocaseglob
+ potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+ $nocaseglob
+ else
+ potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null`
+ fi
+ for potent_lib in $potential_libs; do
+ # Follow soft links.
+ if ls -lLd "$potent_lib" 2>/dev/null |
+ $GREP " -> " >/dev/null; then
+ continue
+ fi
+ # The statement above tries to avoid entering an
+ # endless loop below, in case of cyclic links.
+ # We might still enter an endless loop, since a link
+ # loop can be closed while we follow links,
+ # but so what?
+ potlib="$potent_lib"
+ while test -h "$potlib" 2>/dev/null; do
+ potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'`
+ case $potliblink in
+ [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";;
+ *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";;
+ esac
+ done
+ if eval $file_magic_cmd \"\$potlib\" 2>/dev/null |
+ $SED -e 10q |
+ $EGREP "$file_magic_regex" > /dev/null; then
+ func_append newdeplibs " $a_deplib"
+ a_deplib=""
+ break 2
+ fi
+ done
+ done
+ fi
+ if test -n "$a_deplib" ; then
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because I did check the linker path looking for a file starting"
+ if test -z "$potlib" ; then
+ $ECHO "*** with $libname but no candidates were found. (...for file magic test)"
+ else
+ $ECHO "*** with $libname and none of the candidates passed a file format test"
+ $ECHO "*** using a file magic. Last file checked: $potlib"
+ fi
+ fi
+ ;;
+ *)
+ # Add a -L argument.
+ func_append newdeplibs " $a_deplib"
+ ;;
+ esac
+ done # Gone through all deplibs.
+ ;;
+ match_pattern*)
+ set dummy $deplibs_check_method; shift
+ match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"`
+ for a_deplib in $deplibs; do
+ case $a_deplib in
+ -l*)
+ func_stripname -l '' "$a_deplib"
+ name=$func_stripname_result
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ case " $predeps $postdeps " in
+ *" $a_deplib "*)
+ func_append newdeplibs " $a_deplib"
+ a_deplib=""
+ ;;
+ esac
+ fi
+ if test -n "$a_deplib" ; then
+ libname=`eval "\\$ECHO \"$libname_spec\""`
+ for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do
+ potential_libs=`ls $i/$libname[.-]* 2>/dev/null`
+ for potent_lib in $potential_libs; do
+ potlib="$potent_lib" # see symlink-check above in file_magic test
+ if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \
+ $EGREP "$match_pattern_regex" > /dev/null; then
+ func_append newdeplibs " $a_deplib"
+ a_deplib=""
+ break 2
+ fi
+ done
+ done
+ fi
+ if test -n "$a_deplib" ; then
+ droppeddeps=yes
+ echo
+ $ECHO "*** Warning: linker path does not have real file for library $a_deplib."
+ echo "*** I have the capability to make that library automatically link in when"
+ echo "*** you link to this library. But I can only do this if you have a"
+ echo "*** shared version of the library, which you do not appear to have"
+ echo "*** because I did check the linker path looking for a file starting"
+ if test -z "$potlib" ; then
+ $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)"
+ else
+ $ECHO "*** with $libname and none of the candidates passed a file format test"
+ $ECHO "*** using a regex pattern. Last file checked: $potlib"
+ fi
+ fi
+ ;;
+ *)
+ # Add a -L argument.
+ func_append newdeplibs " $a_deplib"
+ ;;
+ esac
+ done # Gone through all deplibs.
+ ;;
+ none | unknown | *)
+ newdeplibs=""
+ tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'`
+ if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
+ for i in $predeps $postdeps ; do
+ # can't use Xsed below, because $i might contain '/'
+ tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"`
+ done
+ fi
+ case $tmp_deplibs in
+ *[!\ \ ]*)
+ echo
+ if test "X$deplibs_check_method" = "Xnone"; then
+ echo "*** Warning: inter-library dependencies are not supported in this platform."
+ else
+ echo "*** Warning: inter-library dependencies are not known to be supported."
+ fi
+ echo "*** All declared inter-library dependencies are being dropped."
+ droppeddeps=yes
+ ;;
+ esac
+ ;;
+ esac
+ versuffix=$versuffix_save
+ major=$major_save
+ release=$release_save
+ libname=$libname_save
+ name=$name_save
+
+ case $host in
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # On Rhapsody replace the C library with the System framework
+ newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'`
+ ;;
+ esac
+
+ if test "$droppeddeps" = yes; then
+ if test "$module" = yes; then
+ echo
+ echo "*** Warning: libtool could not satisfy all declared inter-library"
+ $ECHO "*** dependencies of module $libname. Therefore, libtool will create"
+ echo "*** a static module, that should work as long as the dlopening"
+ echo "*** application is linked with the -dlopen flag."
+ if test -z "$global_symbol_pipe"; then
+ echo
+ echo "*** However, this would only work if libtool was able to extract symbol"
+ echo "*** lists from a program, using \`nm' or equivalent, but libtool could"
+ echo "*** not find such a program. So, this module is probably useless."
+ echo "*** \`nm' from GNU binutils and a full rebuild may help."
+ fi
+ if test "$build_old_libs" = no; then
+ oldlibs="$output_objdir/$libname.$libext"
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ else
+ echo "*** The inter-library dependencies that have been dropped here will be"
+ echo "*** automatically added whenever a program is linked with this library"
+ echo "*** or is declared to -dlopen it."
+
+ if test "$allow_undefined" = no; then
+ echo
+ echo "*** Since this library must not contain undefined symbols,"
+ echo "*** because either the platform does not support them or"
+ echo "*** it was explicitly requested with -no-undefined,"
+ echo "*** libtool will only create a static version of it."
+ if test "$build_old_libs" = no; then
+ oldlibs="$output_objdir/$libname.$libext"
+ build_libtool_libs=module
+ build_old_libs=yes
+ else
+ build_libtool_libs=no
+ fi
+ fi
+ fi
+ fi
+ # Done checking deplibs!
+ deplibs=$newdeplibs
+ fi
+ # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+ case $host in
+ *-*-darwin*)
+ newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ ;;
+ esac
+
+ # move library search paths that coincide with paths to not yet
+ # installed libraries to the beginning of the library search list
+ new_libs=
+ for path in $notinst_path; do
+ case " $new_libs " in
+ *" -L$path/$objdir "*) ;;
+ *)
+ case " $deplibs " in
+ *" -L$path/$objdir "*)
+ func_append new_libs " -L$path/$objdir" ;;
+ esac
+ ;;
+ esac
+ done
+ for deplib in $deplibs; do
+ case $deplib in
+ -L*)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) func_append new_libs " $deplib" ;;
+ esac
+ ;;
+ *) func_append new_libs " $deplib" ;;
+ esac
+ done
+ deplibs="$new_libs"
+
+ # All the library-specific variables (install_libdir is set above).
+ library_names=
+ old_library=
+ dlname=
+
+ # Test again, we may have decided not to build it any more
+ if test "$build_libtool_libs" = yes; then
+ # Remove ${wl} instances when linking with ld.
+ # FIXME: should test the right _cmds variable.
+ case $archive_cmds in
+ *\$LD\ *) wl= ;;
+ esac
+ if test "$hardcode_into_libs" = yes; then
+ # Hardcode the library paths
+ hardcode_libdirs=
+ dep_rpath=
+ rpath="$finalize_rpath"
+ test "$opt_mode" != relink && rpath="$compile_rpath$rpath"
+ for libdir in $rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ func_replace_sysroot "$libdir"
+ libdir=$func_replace_sysroot_result
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ func_append dep_rpath " $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$perm_rpath " in
+ *" $libdir "*) ;;
+ *) func_append perm_rpath " $libdir" ;;
+ esac
+ fi
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval "dep_rpath=\"$hardcode_libdir_flag_spec\""
+ fi
+ if test -n "$runpath_var" && test -n "$perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $perm_rpath; do
+ func_append rpath "$dir:"
+ done
+ eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var"
+ fi
+ test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs"
+ fi
+
+ shlibpath="$finalize_shlibpath"
+ test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath"
+ if test -n "$shlibpath"; then
+ eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var"
+ fi
+
+ # Get the real and link names of the library.
+ eval shared_ext=\"$shrext_cmds\"
+ eval library_names=\"$library_names_spec\"
+ set dummy $library_names
+ shift
+ realname="$1"
+ shift
+
+ if test -n "$soname_spec"; then
+ eval soname=\"$soname_spec\"
+ else
+ soname="$realname"
+ fi
+ if test -z "$dlname"; then
+ dlname=$soname
+ fi
+
+ lib="$output_objdir/$realname"
+ linknames=
+ for link
+ do
+ func_append linknames " $link"
+ done
+
+ # Use standard objects if they are pic
+ test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ test "X$libobjs" = "X " && libobjs=
+
+ delfiles=
+ if test -n "$export_symbols" && test -n "$include_expsyms"; then
+ $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp"
+ export_symbols="$output_objdir/$libname.uexp"
+ func_append delfiles " $export_symbols"
+ fi
+
+ orig_export_symbols=
+ case $host_os in
+ cygwin* | mingw* | cegcc*)
+ if test -n "$export_symbols" && test -z "$export_symbols_regex"; then
+ # exporting using user supplied symfile
+ if test "x`$SED 1q $export_symbols`" != xEXPORTS; then
+ # and it's NOT already a .def file. Must figure out
+ # which of the given symbols are data symbols and tag
+ # them as such. So, trigger use of export_symbols_cmds.
+ # export_symbols gets reassigned inside the "prepare
+ # the list of exported symbols" if statement, so the
+ # include_expsyms logic still works.
+ orig_export_symbols="$export_symbols"
+ export_symbols=
+ always_export_symbols=yes
+ fi
+ fi
+ ;;
+ esac
+
+ # Prepare the list of exported symbols
+ if test -z "$export_symbols"; then
+ if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then
+ func_verbose "generating symbol list for \`$libname.la'"
+ export_symbols="$output_objdir/$libname.exp"
+ $opt_dry_run || $RM $export_symbols
+ cmds=$export_symbols_cmds
+ save_ifs="$IFS"; IFS='~'
+ for cmd1 in $cmds; do
+ IFS="$save_ifs"
+ # Take the normal branch if the nm_file_list_spec branch
+ # doesn't work or if tool conversion is not needed.
+ case $nm_file_list_spec~$to_tool_file_cmd in
+ *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*)
+ try_normal_branch=yes
+ eval cmd=\"$cmd1\"
+ func_len " $cmd"
+ len=$func_len_result
+ ;;
+ *)
+ try_normal_branch=no
+ ;;
+ esac
+ if test "$try_normal_branch" = yes \
+ && { test "$len" -lt "$max_cmd_len" \
+ || test "$max_cmd_len" -le -1; }
+ then
+ func_show_eval "$cmd" 'exit $?'
+ skipped_export=false
+ elif test -n "$nm_file_list_spec"; then
+ func_basename "$output"
+ output_la=$func_basename_result
+ save_libobjs=$libobjs
+ save_output=$output
+ output=${output_objdir}/${output_la}.nm
+ func_to_tool_file "$output"
+ libobjs=$nm_file_list_spec$func_to_tool_file_result
+ func_append delfiles " $output"
+ func_verbose "creating $NM input file list: $output"
+ for obj in $save_libobjs; do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result"
+ done > "$output"
+ eval cmd=\"$cmd1\"
+ func_show_eval "$cmd" 'exit $?'
+ output=$save_output
+ libobjs=$save_libobjs
+ skipped_export=false
+ else
+ # The command line is too long to execute in one step.
+ func_verbose "using reloadable object file for export list..."
+ skipped_export=:
+ # Break out early, otherwise skipped_export may be
+ # set to false by a later but shorter cmd.
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then
+ func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+ func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+ fi
+ fi
+ fi
+
+ if test -n "$export_symbols" && test -n "$include_expsyms"; then
+ tmp_export_symbols="$export_symbols"
+ test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+ $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+ fi
+
+ if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then
+ # The given exports_symbols file has to be filtered, so filter it.
+ func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+ # FIXME: $output_objdir/$libname.filter potentially contains lots of
+ # 's' commands which not all seds can handle. GNU sed should be fine
+ # though. Also, the filter scales superlinearly with the number of
+ # global variables. join(1) would be nice here, but unfortunately
+ # isn't a blessed tool.
+ $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+ func_append delfiles " $export_symbols $output_objdir/$libname.filter"
+ export_symbols=$output_objdir/$libname.def
+ $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+ fi
+
+ tmp_deplibs=
+ for test_deplib in $deplibs; do
+ case " $convenience " in
+ *" $test_deplib "*) ;;
+ *)
+ func_append tmp_deplibs " $test_deplib"
+ ;;
+ esac
+ done
+ deplibs="$tmp_deplibs"
+
+ if test -n "$convenience"; then
+ if test -n "$whole_archive_flag_spec" &&
+ test "$compiler_needs_object" = yes &&
+ test -z "$libobjs"; then
+ # extract the archives, so we have objects to list.
+ # TODO: could optimize this to just extract one archive.
+ whole_archive_flag_spec=
+ fi
+ if test -n "$whole_archive_flag_spec"; then
+ save_libobjs=$libobjs
+ eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+ test "X$libobjs" = "X " && libobjs=
+ else
+ gentop="$output_objdir/${outputname}x"
+ func_append generated " $gentop"
+
+ func_extract_archives $gentop $convenience
+ func_append libobjs " $func_extract_archives_result"
+ test "X$libobjs" = "X " && libobjs=
+ fi
+ fi
+
+ if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then
+ eval flag=\"$thread_safe_flag_spec\"
+ func_append linker_flags " $flag"
+ fi
+
+ # Make a backup of the uninstalled library when relinking
+ if test "$opt_mode" = relink; then
+ $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $?
+ fi
+
+ # Do each of the archive commands.
+ if test "$module" = yes && test -n "$module_cmds" ; then
+ if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+ eval test_cmds=\"$module_expsym_cmds\"
+ cmds=$module_expsym_cmds
+ else
+ eval test_cmds=\"$module_cmds\"
+ cmds=$module_cmds
+ fi
+ else
+ if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+ eval test_cmds=\"$archive_expsym_cmds\"
+ cmds=$archive_expsym_cmds
+ else
+ eval test_cmds=\"$archive_cmds\"
+ cmds=$archive_cmds
+ fi
+ fi
+
+ if test "X$skipped_export" != "X:" &&
+ func_len " $test_cmds" &&
+ len=$func_len_result &&
+ test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+ :
+ else
+ # The command line is too long to link in one step, link piecewise
+ # or, if using GNU ld and skipped_export is not :, use a linker
+ # script.
+
+ # Save the value of $output and $libobjs because we want to
+ # use them later. If we have whole_archive_flag_spec, we
+ # want to use save_libobjs as it was before
+ # whole_archive_flag_spec was expanded, because we can't
+ # assume the linker understands whole_archive_flag_spec.
+ # This may have to be revisited, in case too many
+ # convenience libraries get linked in and end up exceeding
+ # the spec.
+ if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
+ save_libobjs=$libobjs
+ fi
+ save_output=$output
+ func_basename "$output"
+ output_la=$func_basename_result
+
+ # Clear the reloadable object creation command queue and
+ # initialize k to one.
+ test_cmds=
+ concat_cmds=
+ objlist=
+ last_robj=
+ k=1
+
+ if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then
+ output=${output_objdir}/${output_la}.lnkscript
+ func_verbose "creating GNU ld script: $output"
+ echo 'INPUT (' > $output
+ for obj in $save_libobjs
+ do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result" >> $output
+ done
+ echo ')' >> $output
+ func_append delfiles " $output"
+ func_to_tool_file "$output"
+ output=$func_to_tool_file_result
+ elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then
+ output=${output_objdir}/${output_la}.lnk
+ func_verbose "creating linker input file list: $output"
+ : > $output
+ set x $save_libobjs
+ shift
+ firstobj=
+ if test "$compiler_needs_object" = yes; then
+ firstobj="$1 "
+ shift
+ fi
+ for obj
+ do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result" >> $output
+ done
+ func_append delfiles " $output"
+ func_to_tool_file "$output"
+ output=$firstobj\"$file_list_spec$func_to_tool_file_result\"
+ else
+ if test -n "$save_libobjs"; then
+ func_verbose "creating reloadable object files..."
+ output=$output_objdir/$output_la-${k}.$objext
+ eval test_cmds=\"$reload_cmds\"
+ func_len " $test_cmds"
+ len0=$func_len_result
+ len=$len0
+
+ # Loop over the list of objects to be linked.
+ for obj in $save_libobjs
+ do
+ func_len " $obj"
+ func_arith $len + $func_len_result
+ len=$func_arith_result
+ if test "X$objlist" = X ||
+ test "$len" -lt "$max_cmd_len"; then
+ func_append objlist " $obj"
+ else
+ # The command $test_cmds is almost too long, add a
+ # command to the queue.
+ if test "$k" -eq 1 ; then
+ # The first file doesn't have a previous command to add.
+ reload_objs=$objlist
+ eval concat_cmds=\"$reload_cmds\"
+ else
+ # All subsequent reloadable object files will link in
+ # the last one created.
+ reload_objs="$objlist $last_robj"
+ eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\"
+ fi
+ last_robj=$output_objdir/$output_la-${k}.$objext
+ func_arith $k + 1
+ k=$func_arith_result
+ output=$output_objdir/$output_la-${k}.$objext
+ objlist=" $obj"
+ func_len " $last_robj"
+ func_arith $len0 + $func_len_result
+ len=$func_arith_result
+ fi
+ done
+ # Handle the remaining objects by creating one last
+ # reloadable object file. All subsequent reloadable object
+ # files will link in the last one created.
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ reload_objs="$objlist $last_robj"
+ eval concat_cmds=\"\${concat_cmds}$reload_cmds\"
+ if test -n "$last_robj"; then
+ eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\"
+ fi
+ func_append delfiles " $output"
+
+ else
+ output=
+ fi
+
+ if ${skipped_export-false}; then
+ func_verbose "generating symbol list for \`$libname.la'"
+ export_symbols="$output_objdir/$libname.exp"
+ $opt_dry_run || $RM $export_symbols
+ libobjs=$output
+ # Append the command to create the export file.
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\"
+ if test -n "$last_robj"; then
+ eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\"
+ fi
+ fi
+
+ test -n "$save_libobjs" &&
+ func_verbose "creating a temporary reloadable object file: $output"
+
+ # Loop through the commands generated above and execute them.
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $concat_cmds; do
+ IFS="$save_ifs"
+ $opt_silent || {
+ func_quote_for_expand "$cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+ $opt_dry_run || eval "$cmd" || {
+ lt_exit=$?
+
+ # Restore the uninstalled library and exit
+ if test "$opt_mode" = relink; then
+ ( cd "$output_objdir" && \
+ $RM "${realname}T" && \
+ $MV "${realname}U" "$realname" )
+ fi
+
+ exit $lt_exit
+ }
+ done
+ IFS="$save_ifs"
+
+ if test -n "$export_symbols_regex" && ${skipped_export-false}; then
+ func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"'
+ func_show_eval '$MV "${export_symbols}T" "$export_symbols"'
+ fi
+ fi
+
+ if ${skipped_export-false}; then
+ if test -n "$export_symbols" && test -n "$include_expsyms"; then
+ tmp_export_symbols="$export_symbols"
+ test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols"
+ $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"'
+ fi
+
+ if test -n "$orig_export_symbols"; then
+ # The given exports_symbols file has to be filtered, so filter it.
+ func_verbose "filter symbol list for \`$libname.la' to tag DATA exports"
+ # FIXME: $output_objdir/$libname.filter potentially contains lots of
+ # 's' commands which not all seds can handle. GNU sed should be fine
+ # though. Also, the filter scales superlinearly with the number of
+ # global variables. join(1) would be nice here, but unfortunately
+ # isn't a blessed tool.
+ $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter
+ func_append delfiles " $export_symbols $output_objdir/$libname.filter"
+ export_symbols=$output_objdir/$libname.def
+ $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols
+ fi
+ fi
+
+ libobjs=$output
+ # Restore the value of output.
+ output=$save_output
+
+ if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then
+ eval libobjs=\"\$libobjs $whole_archive_flag_spec\"
+ test "X$libobjs" = "X " && libobjs=
+ fi
+ # Expand the library linking commands again to reset the
+ # value of $libobjs for piecewise linking.
+
+ # Do each of the archive commands.
+ if test "$module" = yes && test -n "$module_cmds" ; then
+ if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then
+ cmds=$module_expsym_cmds
+ else
+ cmds=$module_cmds
+ fi
+ else
+ if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then
+ cmds=$archive_expsym_cmds
+ else
+ cmds=$archive_cmds
+ fi
+ fi
+ fi
+
+ if test -n "$delfiles"; then
+ # Append the command to remove temporary files to $cmds.
+ eval cmds=\"\$cmds~\$RM $delfiles\"
+ fi
+
+ # Add any objects from preloaded convenience libraries
+ if test -n "$dlprefiles"; then
+ gentop="$output_objdir/${outputname}x"
+ func_append generated " $gentop"
+
+ func_extract_archives $gentop $dlprefiles
+ func_append libobjs " $func_extract_archives_result"
+ test "X$libobjs" = "X " && libobjs=
+ fi
+
+ save_ifs="$IFS"; IFS='~'
+ for cmd in $cmds; do
+ IFS="$save_ifs"
+ eval cmd=\"$cmd\"
+ $opt_silent || {
+ func_quote_for_expand "$cmd"
+ eval "func_echo $func_quote_for_expand_result"
+ }
+ $opt_dry_run || eval "$cmd" || {
+ lt_exit=$?
+
+ # Restore the uninstalled library and exit
+ if test "$opt_mode" = relink; then
+ ( cd "$output_objdir" && \
+ $RM "${realname}T" && \
+ $MV "${realname}U" "$realname" )
+ fi
+
+ exit $lt_exit
+ }
+ done
+ IFS="$save_ifs"
+
+ # Restore the uninstalled library and exit
+ if test "$opt_mode" = relink; then
+ $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $?
+
+ if test -n "$convenience"; then
+ if test -z "$whole_archive_flag_spec"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ # Create links to the real library.
+ for linkname in $linknames; do
+ if test "$realname" != "$linkname"; then
+ func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?'
+ fi
+ done
+
+ # If -module or -export-dynamic was specified, set the dlname.
+ if test "$module" = yes || test "$export_dynamic" = yes; then
+ # On all known operating systems, these are identical.
+ dlname="$soname"
+ fi
+ fi
+ ;;
+
+ obj)
+ if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then
+ func_warning "\`-dlopen' is ignored for objects"
+ fi
+
+ case " $deplibs" in
+ *\ -l* | *\ -L*)
+ func_warning "\`-l' and \`-L' are ignored for objects" ;;
+ esac
+
+ test -n "$rpath" && \
+ func_warning "\`-rpath' is ignored for objects"
+
+ test -n "$xrpath" && \
+ func_warning "\`-R' is ignored for objects"
+
+ test -n "$vinfo" && \
+ func_warning "\`-version-info' is ignored for objects"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for objects"
+
+ case $output in
+ *.lo)
+ test -n "$objs$old_deplibs" && \
+ func_fatal_error "cannot build library object \`$output' from non-libtool objects"
+
+ libobj=$output
+ func_lo2o "$libobj"
+ obj=$func_lo2o_result
+ ;;
+ *)
+ libobj=
+ obj="$output"
+ ;;
+ esac
+
+ # Delete the old objects.
+ $opt_dry_run || $RM $obj $libobj
+
+ # Objects from convenience libraries. This assumes
+ # single-version convenience libraries. Whenever we create
+ # different ones for PIC/non-PIC, this we'll have to duplicate
+ # the extraction.
+ reload_conv_objs=
+ gentop=
+ # reload_cmds runs $LD directly, so let us get rid of
+ # -Wl from whole_archive_flag_spec and hope we can get by with
+ # turning comma into space..
+ wl=
+
+ if test -n "$convenience"; then
+ if test -n "$whole_archive_flag_spec"; then
+ eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\"
+ reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'`
+ else
+ gentop="$output_objdir/${obj}x"
+ func_append generated " $gentop"
+
+ func_extract_archives $gentop $convenience
+ reload_conv_objs="$reload_objs $func_extract_archives_result"
+ fi
+ fi
+
+ # If we're not building shared, we need to use non_pic_objs
+ test "$build_libtool_libs" != yes && libobjs="$non_pic_objects"
+
+ # Create the old-style object.
+ reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test
+
+ output="$obj"
+ func_execute_cmds "$reload_cmds" 'exit $?'
+
+ # Exit if we aren't doing a library object file.
+ if test -z "$libobj"; then
+ if test -n "$gentop"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ if test "$build_libtool_libs" != yes; then
+ if test -n "$gentop"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+
+ # Create an invalid libtool object if no PIC, so that we don't
+ # accidentally link it into a program.
+ # $show "echo timestamp > $libobj"
+ # $opt_dry_run || eval "echo timestamp > $libobj" || exit $?
+ exit $EXIT_SUCCESS
+ fi
+
+ if test -n "$pic_flag" || test "$pic_mode" != default; then
+ # Only do commands if we really have different PIC objects.
+ reload_objs="$libobjs $reload_conv_objs"
+ output="$libobj"
+ func_execute_cmds "$reload_cmds" 'exit $?'
+ fi
+
+ if test -n "$gentop"; then
+ func_show_eval '${RM}r "$gentop"'
+ fi
+
+ exit $EXIT_SUCCESS
+ ;;
+
+ prog)
+ case $host in
+ *cygwin*) func_stripname '' '.exe' "$output"
+ output=$func_stripname_result.exe;;
+ esac
+ test -n "$vinfo" && \
+ func_warning "\`-version-info' is ignored for programs"
+
+ test -n "$release" && \
+ func_warning "\`-release' is ignored for programs"
+
+ test "$preload" = yes \
+ && test "$dlopen_support" = unknown \
+ && test "$dlopen_self" = unknown \
+ && test "$dlopen_self_static" = unknown && \
+ func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support."
+
+ case $host in
+ *-*-rhapsody* | *-*-darwin1.[012])
+ # On Rhapsody replace the C library is the System framework
+ compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'`
+ finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'`
+ ;;
+ esac
+
+ case $host in
+ *-*-darwin*)
+ # Don't allow lazy linking, it breaks C++ global constructors
+ # But is supposedly fixed on 10.4 or later (yay!).
+ if test "$tagname" = CXX ; then
+ case ${MACOSX_DEPLOYMENT_TARGET-10.0} in
+ 10.[0123])
+ func_append compile_command " ${wl}-bind_at_load"
+ func_append finalize_command " ${wl}-bind_at_load"
+ ;;
+ esac
+ fi
+ # Time to change all our "foo.ltframework" stuff back to "-framework foo"
+ compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'`
+ ;;
+ esac
+
+
+ # move library search paths that coincide with paths to not yet
+ # installed libraries to the beginning of the library search list
+ new_libs=
+ for path in $notinst_path; do
+ case " $new_libs " in
+ *" -L$path/$objdir "*) ;;
+ *)
+ case " $compile_deplibs " in
+ *" -L$path/$objdir "*)
+ func_append new_libs " -L$path/$objdir" ;;
+ esac
+ ;;
+ esac
+ done
+ for deplib in $compile_deplibs; do
+ case $deplib in
+ -L*)
+ case " $new_libs " in
+ *" $deplib "*) ;;
+ *) func_append new_libs " $deplib" ;;
+ esac
+ ;;
+ *) func_append new_libs " $deplib" ;;
+ esac
+ done
+ compile_deplibs="$new_libs"
+
+
+ func_append compile_command " $compile_deplibs"
+ func_append finalize_command " $finalize_deplibs"
+
+ if test -n "$rpath$xrpath"; then
+ # If the user specified any rpath flags, then add them.
+ for libdir in $rpath $xrpath; do
+ # This is the magic to use -rpath.
+ case "$finalize_rpath " in
+ *" $libdir "*) ;;
+ *) func_append finalize_rpath " $libdir" ;;
+ esac
+ done
+ fi
+
+ # Now hardcode the library paths
+ rpath=
+ hardcode_libdirs=
+ for libdir in $compile_rpath $finalize_rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ func_append rpath " $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$perm_rpath " in
+ *" $libdir "*) ;;
+ *) func_append perm_rpath " $libdir" ;;
+ esac
+ fi
+ case $host in
+ *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*)
+ testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'`
+ case :$dllsearchpath: in
+ *":$libdir:"*) ;;
+ ::) dllsearchpath=$libdir;;
+ *) func_append dllsearchpath ":$libdir";;
+ esac
+ case :$dllsearchpath: in
+ *":$testbindir:"*) ;;
+ ::) dllsearchpath=$testbindir;;
+ *) func_append dllsearchpath ":$testbindir";;
+ esac
+ ;;
+ esac
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval rpath=\" $hardcode_libdir_flag_spec\"
+ fi
+ compile_rpath="$rpath"
+
+ rpath=
+ hardcode_libdirs=
+ for libdir in $finalize_rpath; do
+ if test -n "$hardcode_libdir_flag_spec"; then
+ if test -n "$hardcode_libdir_separator"; then
+ if test -z "$hardcode_libdirs"; then
+ hardcode_libdirs="$libdir"
+ else
+ # Just accumulate the unique libdirs.
+ case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in
+ *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*)
+ ;;
+ *)
+ func_append hardcode_libdirs "$hardcode_libdir_separator$libdir"
+ ;;
+ esac
+ fi
+ else
+ eval flag=\"$hardcode_libdir_flag_spec\"
+ func_append rpath " $flag"
+ fi
+ elif test -n "$runpath_var"; then
+ case "$finalize_perm_rpath " in
+ *" $libdir "*) ;;
+ *) func_append finalize_perm_rpath " $libdir" ;;
+ esac
+ fi
+ done
+ # Substitute the hardcoded libdirs into the rpath.
+ if test -n "$hardcode_libdir_separator" &&
+ test -n "$hardcode_libdirs"; then
+ libdir="$hardcode_libdirs"
+ eval rpath=\" $hardcode_libdir_flag_spec\"
+ fi
+ finalize_rpath="$rpath"
+
+ if test -n "$libobjs" && test "$build_old_libs" = yes; then
+ # Transform all the library objects into standard objects.
+ compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP`
+ fi
+
+ func_generate_dlsyms "$outputname" "@PROGRAM@" "no"
+
+ # template prelinking step
+ if test -n "$prelink_cmds"; then
+ func_execute_cmds "$prelink_cmds" 'exit $?'
+ fi
+
+ wrappers_required=yes
+ case $host in
+ *cegcc* | *mingw32ce*)
+ # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway.
+ wrappers_required=no
+ ;;
+ *cygwin* | *mingw* )
+ if test "$build_libtool_libs" != yes; then
+ wrappers_required=no
+ fi
+ ;;
+ *)
+ if test "$need_relink" = no || test "$build_libtool_libs" != yes; then
+ wrappers_required=no
+ fi
+ ;;
+ esac
+ if test "$wrappers_required" = no; then
+ # Replace the output file specification.
+ compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+ link_command="$compile_command$compile_rpath"
+
+ # We have no uninstalled library dependencies, so finalize right now.
+ exit_status=0
+ func_show_eval "$link_command" 'exit_status=$?'
+
+ if test -n "$postlink_cmds"; then
+ func_to_tool_file "$output"
+ postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+ func_execute_cmds "$postlink_cmds" 'exit $?'
+ fi
+
+ # Delete the generated files.
+ if test -f "$output_objdir/${outputname}S.${objext}"; then
+ func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"'
+ fi
+
+ exit $exit_status
+ fi
+
+ if test -n "$compile_shlibpath$finalize_shlibpath"; then
+ compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command"
+ fi
+ if test -n "$finalize_shlibpath"; then
+ finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command"
+ fi
+
+ compile_var=
+ finalize_var=
+ if test -n "$runpath_var"; then
+ if test -n "$perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $perm_rpath; do
+ func_append rpath "$dir:"
+ done
+ compile_var="$runpath_var=\"$rpath\$$runpath_var\" "
+ fi
+ if test -n "$finalize_perm_rpath"; then
+ # We should set the runpath_var.
+ rpath=
+ for dir in $finalize_perm_rpath; do
+ func_append rpath "$dir:"
+ done
+ finalize_var="$runpath_var=\"$rpath\$$runpath_var\" "
+ fi
+ fi
+
+ if test "$no_install" = yes; then
+ # We don't need to create a wrapper script.
+ link_command="$compile_var$compile_command$compile_rpath"
+ # Replace the output file specification.
+ link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'`
+ # Delete the old output file.
+ $opt_dry_run || $RM $output
+ # Link the executable and exit
+ func_show_eval "$link_command" 'exit $?'
+
+ if test -n "$postlink_cmds"; then
+ func_to_tool_file "$output"
+ postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+ func_execute_cmds "$postlink_cmds" 'exit $?'
+ fi
+
+ exit $EXIT_SUCCESS
+ fi
+
+ if test "$hardcode_action" = relink; then
+ # Fast installation is not supported
+ link_command="$compile_var$compile_command$compile_rpath"
+ relink_command="$finalize_var$finalize_command$finalize_rpath"
+
+ func_warning "this platform does not like uninstalled shared libraries"
+ func_warning "\`$output' will be relinked during installation"
+ else
+ if test "$fast_install" != no; then
+ link_command="$finalize_var$compile_command$finalize_rpath"
+ if test "$fast_install" = yes; then
+ relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'`
+ else
+ # fast_install is set to needless
+ relink_command=
+ fi
+ else
+ link_command="$compile_var$compile_command$compile_rpath"
+ relink_command="$finalize_var$finalize_command$finalize_rpath"
+ fi
+ fi
+
+ # Replace the output file specification.
+ link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'`
+
+ # Delete the old output files.
+ $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname
+
+ func_show_eval "$link_command" 'exit $?'
+
+ if test -n "$postlink_cmds"; then
+ func_to_tool_file "$output_objdir/$outputname"
+ postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'`
+ func_execute_cmds "$postlink_cmds" 'exit $?'
+ fi
+
+ # Now create the wrapper script.
+ func_verbose "creating $output"
+
+ # Quote the relink command for shipping.
+ if test -n "$relink_command"; then
+ # Preserve any variables that may affect compiler behavior
+ for var in $variables_saved_for_relink; do
+ if eval test -z \"\${$var+set}\"; then
+ relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+ elif eval var_value=\$$var; test -z "$var_value"; then
+ relink_command="$var=; export $var; $relink_command"
+ else
+ func_quote_for_eval "$var_value"
+ relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+ fi
+ done
+ relink_command="(cd `pwd`; $relink_command)"
+ relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+ fi
+
+ # Only actually do things if not in dry run mode.
+ $opt_dry_run || {
+ # win32 will think the script is a binary if it has
+ # a .exe suffix, so we strip it off here.
+ case $output in
+ *.exe) func_stripname '' '.exe' "$output"
+ output=$func_stripname_result ;;
+ esac
+ # test for cygwin because mv fails w/o .exe extensions
+ case $host in
+ *cygwin*)
+ exeext=.exe
+ func_stripname '' '.exe' "$outputname"
+ outputname=$func_stripname_result ;;
+ *) exeext= ;;
+ esac
+ case $host in
+ *cygwin* | *mingw* )
+ func_dirname_and_basename "$output" "" "."
+ output_name=$func_basename_result
+ output_path=$func_dirname_result
+ cwrappersource="$output_path/$objdir/lt-$output_name.c"
+ cwrapper="$output_path/$output_name.exe"
+ $RM $cwrappersource $cwrapper
+ trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15
+
+ func_emit_cwrapperexe_src > $cwrappersource
+
+ # The wrapper executable is built using the $host compiler,
+ # because it contains $host paths and files. If cross-
+ # compiling, it, like the target executable, must be
+ # executed on the $host or under an emulation environment.
+ $opt_dry_run || {
+ $LTCC $LTCFLAGS -o $cwrapper $cwrappersource
+ $STRIP $cwrapper
+ }
+
+ # Now, create the wrapper script for func_source use:
+ func_ltwrapper_scriptname $cwrapper
+ $RM $func_ltwrapper_scriptname_result
+ trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15
+ $opt_dry_run || {
+ # note: this script will not be executed, so do not chmod.
+ if test "x$build" = "x$host" ; then
+ $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result
+ else
+ func_emit_wrapper no > $func_ltwrapper_scriptname_result
+ fi
+ }
+ ;;
+ * )
+ $RM $output
+ trap "$RM $output; exit $EXIT_FAILURE" 1 2 15
+
+ func_emit_wrapper no > $output
+ chmod +x $output
+ ;;
+ esac
+ }
+ exit $EXIT_SUCCESS
+ ;;
+ esac
+
+ # See if we need to build an old-fashioned archive.
+ for oldlib in $oldlibs; do
+
+ if test "$build_libtool_libs" = convenience; then
+ oldobjs="$libobjs_save $symfileobj"
+ addlibs="$convenience"
+ build_libtool_libs=no
+ else
+ if test "$build_libtool_libs" = module; then
+ oldobjs="$libobjs_save"
+ build_libtool_libs=no
+ else
+ oldobjs="$old_deplibs $non_pic_objects"
+ if test "$preload" = yes && test -f "$symfileobj"; then
+ func_append oldobjs " $symfileobj"
+ fi
+ fi
+ addlibs="$old_convenience"
+ fi
+
+ if test -n "$addlibs"; then
+ gentop="$output_objdir/${outputname}x"
+ func_append generated " $gentop"
+
+ func_extract_archives $gentop $addlibs
+ func_append oldobjs " $func_extract_archives_result"
+ fi
+
+ # Do each command in the archive commands.
+ if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then
+ cmds=$old_archive_from_new_cmds
+ else
+
+ # Add any objects from preloaded convenience libraries
+ if test -n "$dlprefiles"; then
+ gentop="$output_objdir/${outputname}x"
+ func_append generated " $gentop"
+
+ func_extract_archives $gentop $dlprefiles
+ func_append oldobjs " $func_extract_archives_result"
+ fi
+
+ # POSIX demands no paths to be encoded in archives. We have
+ # to avoid creating archives with duplicate basenames if we
+ # might have to extract them afterwards, e.g., when creating a
+ # static archive out of a convenience library, or when linking
+ # the entirety of a libtool archive into another (currently
+ # not supported by libtool).
+ if (for obj in $oldobjs
+ do
+ func_basename "$obj"
+ $ECHO "$func_basename_result"
+ done | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ echo "copying selected object files to avoid basename conflicts..."
+ gentop="$output_objdir/${outputname}x"
+ func_append generated " $gentop"
+ func_mkdir_p "$gentop"
+ save_oldobjs=$oldobjs
+ oldobjs=
+ counter=1
+ for obj in $save_oldobjs
+ do
+ func_basename "$obj"
+ objbase="$func_basename_result"
+ case " $oldobjs " in
+ " ") oldobjs=$obj ;;
+ *[\ /]"$objbase "*)
+ while :; do
+ # Make sure we don't pick an alternate name that also
+ # overlaps.
+ newobj=lt$counter-$objbase
+ func_arith $counter + 1
+ counter=$func_arith_result
+ case " $oldobjs " in
+ *[\ /]"$newobj "*) ;;
+ *) if test ! -f "$gentop/$newobj"; then break; fi ;;
+ esac
+ done
+ func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+ func_append oldobjs " $gentop/$newobj"
+ ;;
+ *) func_append oldobjs " $obj" ;;
+ esac
+ done
+ fi
+ func_to_tool_file "$oldlib" func_convert_file_msys_to_w32
+ tool_oldlib=$func_to_tool_file_result
+ eval cmds=\"$old_archive_cmds\"
+
+ func_len " $cmds"
+ len=$func_len_result
+ if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
+ cmds=$old_archive_cmds
+ elif test -n "$archiver_list_spec"; then
+ func_verbose "using command file archive linking..."
+ for obj in $oldobjs
+ do
+ func_to_tool_file "$obj"
+ $ECHO "$func_to_tool_file_result"
+ done > $output_objdir/$libname.libcmd
+ func_to_tool_file "$output_objdir/$libname.libcmd"
+ oldobjs=" $archiver_list_spec$func_to_tool_file_result"
+ cmds=$old_archive_cmds
+ else
+ # the command line is too long to link in one step, link in parts
+ func_verbose "using piecewise archive linking..."
+ save_RANLIB=$RANLIB
+ RANLIB=:
+ objlist=
+ concat_cmds=
+ save_oldobjs=$oldobjs
+ oldobjs=
+ # Is there a better way of finding the last object in the list?
+ for obj in $save_oldobjs
+ do
+ last_oldobj=$obj
+ done
+ eval test_cmds=\"$old_archive_cmds\"
+ func_len " $test_cmds"
+ len0=$func_len_result
+ len=$len0
+ for obj in $save_oldobjs
+ do
+ func_len " $obj"
+ func_arith $len + $func_len_result
+ len=$func_arith_result
+ func_append objlist " $obj"
+ if test "$len" -lt "$max_cmd_len"; then
+ :
+ else
+ # the above command should be used before it gets too long
+ oldobjs=$objlist
+ if test "$obj" = "$last_oldobj" ; then
+ RANLIB=$save_RANLIB
+ fi
+ test -z "$concat_cmds" || concat_cmds=$concat_cmds~
+ eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\"
+ objlist=
+ len=$len0
+ fi
+ done
+ RANLIB=$save_RANLIB
+ oldobjs=$objlist
+ if test "X$oldobjs" = "X" ; then
+ eval cmds=\"\$concat_cmds\"
+ else
+ eval cmds=\"\$concat_cmds~\$old_archive_cmds\"
+ fi
+ fi
+ fi
+ func_execute_cmds "$cmds" 'exit $?'
+ done
+
+ test -n "$generated" && \
+ func_show_eval "${RM}r$generated"
+
+ # Now create the libtool archive.
+ case $output in
+ *.la)
+ old_library=
+ test "$build_old_libs" = yes && old_library="$libname.$libext"
+ func_verbose "creating $output"
+
+ # Preserve any variables that may affect compiler behavior
+ for var in $variables_saved_for_relink; do
+ if eval test -z \"\${$var+set}\"; then
+ relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command"
+ elif eval var_value=\$$var; test -z "$var_value"; then
+ relink_command="$var=; export $var; $relink_command"
+ else
+ func_quote_for_eval "$var_value"
+ relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command"
+ fi
+ done
+ # Quote the link command for shipping.
+ relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)"
+ relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"`
+ if test "$hardcode_automatic" = yes ; then
+ relink_command=
+ fi
+
+ # Only create the output if not a dry run.
+ $opt_dry_run || {
+ for installed in no yes; do
+ if test "$installed" = yes; then
+ if test -z "$install_libdir"; then
+ break
+ fi
+ output="$output_objdir/$outputname"i
+ # Replace all uninstalled libtool libraries with the installed ones
+ newdependency_libs=
+ for deplib in $dependency_libs; do
+ case $deplib in
+ *.la)
+ func_basename "$deplib"
+ name="$func_basename_result"
+ func_resolve_sysroot "$deplib"
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result`
+ test -z "$libdir" && \
+ func_fatal_error "\`$deplib' is not a valid libtool archive"
+ func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name"
+ ;;
+ -L*)
+ func_stripname -L '' "$deplib"
+ func_replace_sysroot "$func_stripname_result"
+ func_append newdependency_libs " -L$func_replace_sysroot_result"
+ ;;
+ -R*)
+ func_stripname -R '' "$deplib"
+ func_replace_sysroot "$func_stripname_result"
+ func_append newdependency_libs " -R$func_replace_sysroot_result"
+ ;;
+ *) func_append newdependency_libs " $deplib" ;;
+ esac
+ done
+ dependency_libs="$newdependency_libs"
+ newdlfiles=
+
+ for lib in $dlfiles; do
+ case $lib in
+ *.la)
+ func_basename "$lib"
+ name="$func_basename_result"
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+ test -z "$libdir" && \
+ func_fatal_error "\`$lib' is not a valid libtool archive"
+ func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name"
+ ;;
+ *) func_append newdlfiles " $lib" ;;
+ esac
+ done
+ dlfiles="$newdlfiles"
+ newdlprefiles=
+ for lib in $dlprefiles; do
+ case $lib in
+ *.la)
+ # Only pass preopened files to the pseudo-archive (for
+ # eventual linking with the app. that links it) if we
+ # didn't already link the preopened objects directly into
+ # the library:
+ func_basename "$lib"
+ name="$func_basename_result"
+ eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib`
+ test -z "$libdir" && \
+ func_fatal_error "\`$lib' is not a valid libtool archive"
+ func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name"
+ ;;
+ esac
+ done
+ dlprefiles="$newdlprefiles"
+ else
+ newdlfiles=
+ for lib in $dlfiles; do
+ case $lib in
+ [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+ *) abs=`pwd`"/$lib" ;;
+ esac
+ func_append newdlfiles " $abs"
+ done
+ dlfiles="$newdlfiles"
+ newdlprefiles=
+ for lib in $dlprefiles; do
+ case $lib in
+ [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;;
+ *) abs=`pwd`"/$lib" ;;
+ esac
+ func_append newdlprefiles " $abs"
+ done
+ dlprefiles="$newdlprefiles"
+ fi
+ $RM $output
+ # place dlname in correct position for cygwin
+ # In fact, it would be nice if we could use this code for all target
+ # systems that can't hard-code library paths into their executables
+ # and that have no shared library path variable independent of PATH,
+ # but it turns out we can't easily determine that from inspecting
+ # libtool variables, so we have to hard-code the OSs to which it
+ # applies here; at the moment, that means platforms that use the PE
+ # object format with DLL files. See the long comment at the top of
+ # tests/bindir.at for full details.
+ tdlname=$dlname
+ case $host,$output,$installed,$module,$dlname in
+ *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll)
+ # If a -bindir argument was supplied, place the dll there.
+ if test "x$bindir" != x ;
+ then
+ func_relative_path "$install_libdir" "$bindir"
+ tdlname=$func_relative_path_result$dlname
+ else
+ # Otherwise fall back on heuristic.
+ tdlname=../bin/$dlname
+ fi
+ ;;
+ esac
+ $ECHO > $output "\
+# $outputname - a libtool library file
+# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='$tdlname'
+
+# Names of this library.
+library_names='$library_names'
+
+# The name of the static archive.
+old_library='$old_library'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags='$new_inherited_linker_flags'
+
+# Libraries that this one depends upon.
+dependency_libs='$dependency_libs'
+
+# Names of additional weak libraries provided by this library
+weak_library_names='$weak_libs'
+
+# Version information for $libname.
+current=$current
+age=$age
+revision=$revision
+
+# Is this an already installed library?
+installed=$installed
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=$module
+
+# Files to dlopen/dlpreopen
+dlopen='$dlfiles'
+dlpreopen='$dlprefiles'
+
+# Directory that this library needs to be installed in:
+libdir='$install_libdir'"
+ if test "$installed" = no && test "$need_relink" = yes; then
+ $ECHO >> $output "\
+relink_command=\"$relink_command\""
+ fi
+ done
+ }
+
+ # Do a symbolic link so that the libtool archive can be found in
+ # LD_LIBRARY_PATH before the program is installed.
+ func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?'
+ ;;
+ esac
+ exit $EXIT_SUCCESS
+}
+
+{ test "$opt_mode" = link || test "$opt_mode" = relink; } &&
+ func_mode_link ${1+"$@"}
+
+
+# func_mode_uninstall arg...
+func_mode_uninstall ()
+{
+ $opt_debug
+ RM="$nonopt"
+ files=
+ rmforce=
+ exit_status=0
+
+ # This variable tells wrapper scripts just to set variables rather
+ # than running their programs.
+ libtool_install_magic="$magic"
+
+ for arg
+ do
+ case $arg in
+ -f) func_append RM " $arg"; rmforce=yes ;;
+ -*) func_append RM " $arg" ;;
+ *) func_append files " $arg" ;;
+ esac
+ done
+
+ test -z "$RM" && \
+ func_fatal_help "you must specify an RM program"
+
+ rmdirs=
+
+ for file in $files; do
+ func_dirname "$file" "" "."
+ dir="$func_dirname_result"
+ if test "X$dir" = X.; then
+ odir="$objdir"
+ else
+ odir="$dir/$objdir"
+ fi
+ func_basename "$file"
+ name="$func_basename_result"
+ test "$opt_mode" = uninstall && odir="$dir"
+
+ # Remember odir for removal later, being careful to avoid duplicates
+ if test "$opt_mode" = clean; then
+ case " $rmdirs " in
+ *" $odir "*) ;;
+ *) func_append rmdirs " $odir" ;;
+ esac
+ fi
+
+ # Don't error if the file doesn't exist and rm -f was used.
+ if { test -L "$file"; } >/dev/null 2>&1 ||
+ { test -h "$file"; } >/dev/null 2>&1 ||
+ test -f "$file"; then
+ :
+ elif test -d "$file"; then
+ exit_status=1
+ continue
+ elif test "$rmforce" = yes; then
+ continue
+ fi
+
+ rmfiles="$file"
+
+ case $name in
+ *.la)
+ # Possibly a libtool archive, so verify it.
+ if func_lalib_p "$file"; then
+ func_source $dir/$name
+
+ # Delete the libtool libraries and symlinks.
+ for n in $library_names; do
+ func_append rmfiles " $odir/$n"
+ done
+ test -n "$old_library" && func_append rmfiles " $odir/$old_library"
+
+ case "$opt_mode" in
+ clean)
+ case " $library_names " in
+ *" $dlname "*) ;;
+ *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;;
+ esac
+ test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i"
+ ;;
+ uninstall)
+ if test -n "$library_names"; then
+ # Do each command in the postuninstall commands.
+ func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+ fi
+
+ if test -n "$old_library"; then
+ # Do each command in the old_postuninstall commands.
+ func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1'
+ fi
+ # FIXME: should reinstall the best remaining shared library.
+ ;;
+ esac
+ fi
+ ;;
+
+ *.lo)
+ # Possibly a libtool object, so verify it.
+ if func_lalib_p "$file"; then
+
+ # Read the .lo file
+ func_source $dir/$name
+
+ # Add PIC object to the list of files to remove.
+ if test -n "$pic_object" &&
+ test "$pic_object" != none; then
+ func_append rmfiles " $dir/$pic_object"
+ fi
+
+ # Add non-PIC object to the list of files to remove.
+ if test -n "$non_pic_object" &&
+ test "$non_pic_object" != none; then
+ func_append rmfiles " $dir/$non_pic_object"
+ fi
+ fi
+ ;;
+
+ *)
+ if test "$opt_mode" = clean ; then
+ noexename=$name
+ case $file in
+ *.exe)
+ func_stripname '' '.exe' "$file"
+ file=$func_stripname_result
+ func_stripname '' '.exe' "$name"
+ noexename=$func_stripname_result
+ # $file with .exe has already been added to rmfiles,
+ # add $file without .exe
+ func_append rmfiles " $file"
+ ;;
+ esac
+ # Do a test to see if this is a libtool program.
+ if func_ltwrapper_p "$file"; then
+ if func_ltwrapper_executable_p "$file"; then
+ func_ltwrapper_scriptname "$file"
+ relink_command=
+ func_source $func_ltwrapper_scriptname_result
+ func_append rmfiles " $func_ltwrapper_scriptname_result"
+ else
+ relink_command=
+ func_source $dir/$noexename
+ fi
+
+ # note $name still contains .exe if it was in $file originally
+ # as does the version of $file that was added into $rmfiles
+ func_append rmfiles " $odir/$name $odir/${name}S.${objext}"
+ if test "$fast_install" = yes && test -n "$relink_command"; then
+ func_append rmfiles " $odir/lt-$name"
+ fi
+ if test "X$noexename" != "X$name" ; then
+ func_append rmfiles " $odir/lt-${noexename}.c"
+ fi
+ fi
+ fi
+ ;;
+ esac
+ func_show_eval "$RM $rmfiles" 'exit_status=1'
+ done
+
+ # Try to remove the ${objdir}s in the directories where we deleted files
+ for dir in $rmdirs; do
+ if test -d "$dir"; then
+ func_show_eval "rmdir $dir >/dev/null 2>&1"
+ fi
+ done
+
+ exit $exit_status
+}
+
+{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } &&
+ func_mode_uninstall ${1+"$@"}
+
+test -z "$opt_mode" && {
+ help="$generic_help"
+ func_fatal_help "you must specify a MODE"
+}
+
+test -z "$exec_cmd" && \
+ func_fatal_help "invalid operation mode \`$opt_mode'"
+
+if test -n "$exec_cmd"; then
+ eval exec "$exec_cmd"
+ exit $EXIT_FAILURE
+fi
+
+exit $exit_status
+
+
+# The TAGs below are defined such that we never get into a situation
+# in which we disable both kinds of libraries. Given conflicting
+# choices, we go for a static library, that is the most portable,
+# since we can't tell whether shared libraries were disabled because
+# the user asked for that or because the platform doesn't support
+# them. This is particularly important on AIX, because we don't
+# support having both static and shared libraries enabled at the same
+# time on that platform, so we default to a shared-only configuration.
+# If a disable-shared tag is given, we'll fallback to a static-only
+# configuration. But we'll never go from static-only to shared-only.
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-shared
+build_libtool_libs=no
+build_old_libs=yes
+# ### END LIBTOOL TAG CONFIG: disable-shared
+
+# ### BEGIN LIBTOOL TAG CONFIG: disable-static
+build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
+# ### END LIBTOOL TAG CONFIG: disable-static
+
+# Local Variables:
+# mode:shell-script
+# sh-indentation:2
+# End:
+# vi:sw=2
+
diff --git a/m4/attributes.m4 b/m4/attributes.m4
new file mode 100644
index 0000000..e86456a
--- /dev/null
+++ b/m4/attributes.m4
@@ -0,0 +1,311 @@
+dnl Macros to check the presence of generic (non-typed) symbols.
+dnl Copyright (c) 2006-2007 Diego Pettenò <flameeyes@gmail.com>
+dnl Copyright (c) 2006-2007 xine project
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2, or (at your option)
+dnl any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software
+dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+dnl 02110-1301, USA.
+dnl
+dnl As a special exception, the copyright owners of the
+dnl macro gives unlimited permission to copy, distribute and modify the
+dnl configure scripts that are the output of Autoconf when processing the
+dnl Macro. You need not follow the terms of the GNU General Public
+dnl License when using or distributing such scripts, even though portions
+dnl of the text of the Macro appear in them. The GNU General Public
+dnl License (GPL) does govern all other use of the material that
+dnl constitutes the Autoconf Macro.
+dnl
+dnl This special exception to the GPL applies to versions of the
+dnl Autoconf Macro released by this project. When you make and
+dnl distribute a modified version of the Autoconf Macro, you may extend
+dnl this special exception to the GPL to apply to your modified version as
+dnl well.
+
+dnl Check if the flag is supported by compiler
+dnl CC_CHECK_CFLAGS_SILENT([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+
+AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
+ AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
+ [ac_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $1"
+ AC_COMPILE_IFELSE([int a;],
+ [eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
+ [eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
+ CFLAGS="$ac_save_CFLAGS"
+ ])
+
+ AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
+ [$2], [$3])
+])
+
+dnl Check if the flag is supported by compiler (cacheable)
+dnl CC_CHECK_CFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+
+AC_DEFUN([CC_CHECK_CFLAGS], [
+ AC_CACHE_CHECK([if $CC supports $1 flag],
+ AS_TR_SH([cc_cv_cflags_$1]),
+ CC_CHECK_CFLAGS_SILENT([$1]) dnl Don't execute actions here!
+ )
+
+ AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
+ [$2], [$3])
+])
+
+dnl CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found])
+dnl Check for CFLAG and appends them to CFLAGS if supported
+AC_DEFUN([CC_CHECK_CFLAG_APPEND], [
+ AC_CACHE_CHECK([if $CC supports $1 flag],
+ AS_TR_SH([cc_cv_cflags_$1]),
+ CC_CHECK_CFLAGS_SILENT([$1]) dnl Don't execute actions here!
+ )
+
+ AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
+ [CFLAGS="$CFLAGS $1"; $2], [$3])
+])
+
+dnl CC_CHECK_CFLAGS_APPEND([FLAG1 FLAG2], [action-if-found], [action-if-not])
+AC_DEFUN([CC_CHECK_CFLAGS_APPEND], [
+ for flag in $1; do
+ CC_CHECK_CFLAG_APPEND($flag, [$2], [$3])
+ done
+])
+
+dnl Check if the flag is supported by linker (cacheable)
+dnl CC_CHECK_LDFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND])
+
+AC_DEFUN([CC_CHECK_LDFLAGS], [
+ AC_CACHE_CHECK([if $CC supports $1 flag],
+ AS_TR_SH([cc_cv_ldflags_$1]),
+ [ac_save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $1"
+ AC_LINK_IFELSE([int main() { return 1; }],
+ [eval "AS_TR_SH([cc_cv_ldflags_$1])='yes'"],
+ [eval "AS_TR_SH([cc_cv_ldflags_$1])="])
+ LDFLAGS="$ac_save_LDFLAGS"
+ ])
+
+ AS_IF([eval test x$]AS_TR_SH([cc_cv_ldflags_$1])[ = xyes],
+ [$2], [$3])
+])
+
+dnl define the LDFLAGS_NOUNDEFINED variable with the correct value for
+dnl the current linker to avoid undefined references in a shared object.
+AC_DEFUN([CC_NOUNDEFINED], [
+ dnl We check $host for which systems to enable this for.
+ AC_REQUIRE([AC_CANONICAL_HOST])
+
+ case $host in
+ dnl FreeBSD (et al.) does not complete linking for shared objects when pthreads
+ dnl are requested, as different implementations are present; to avoid problems
+ dnl use -Wl,-z,defs only for those platform not behaving this way.
+ *-freebsd*) ;;
+ *)
+ dnl First of all check for the --no-undefined variant of GNU ld. This allows
+ dnl for a much more readable commandline, so that people can understand what
+ dnl it does without going to look for what the heck -z defs does.
+ for possible_flags in "-Wl,--no-undefined" "-Wl,-z,defs"; do
+ CC_CHECK_LDFLAGS([$possible_flags], [LDFLAGS_NOUNDEFINED="$possible_flags"])
+ break
+ done
+ ;;
+ esac
+
+ AC_SUBST([LDFLAGS_NOUNDEFINED])
+])
+
+dnl Check for a -Werror flag or equivalent. -Werror is the GCC
+dnl and ICC flag that tells the compiler to treat all the warnings
+dnl as fatal. We usually need this option to make sure that some
+dnl constructs (like attributes) are not simply ignored.
+dnl
+dnl Other compilers don't support -Werror per se, but they support
+dnl an equivalent flag:
+dnl - Sun Studio compiler supports -errwarn=%all
+AC_DEFUN([CC_CHECK_WERROR], [
+ AC_CACHE_CHECK(
+ [for $CC way to treat warnings as errors],
+ [cc_cv_werror],
+ [CC_CHECK_CFLAGS_SILENT([-Werror], [cc_cv_werror=-Werror],
+ [CC_CHECK_CFLAGS_SILENT([-errwarn=%all], [cc_cv_werror=-errwarn=%all])])
+ ])
+])
+
+AC_DEFUN([CC_CHECK_ATTRIBUTE], [
+ AC_REQUIRE([CC_CHECK_WERROR])
+ AC_CACHE_CHECK([if $CC supports __attribute__(( ifelse([$2], , [$1], [$2]) ))],
+ AS_TR_SH([cc_cv_attribute_$1]),
+ [ac_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $cc_cv_werror"
+ AC_COMPILE_IFELSE([$3],
+ [eval "AS_TR_SH([cc_cv_attribute_$1])='yes'"],
+ [eval "AS_TR_SH([cc_cv_attribute_$1])='no'"])
+ CFLAGS="$ac_save_CFLAGS"
+ ])
+
+ AS_IF([eval test x$]AS_TR_SH([cc_cv_attribute_$1])[ = xyes],
+ [AC_DEFINE(
+ AS_TR_CPP([SUPPORT_ATTRIBUTE_$1]), 1,
+ [Define this if the compiler supports __attribute__(( ifelse([$2], , [$1], [$2]) ))]
+ )
+ $4],
+ [$5])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_CONSTRUCTOR], [
+ CC_CHECK_ATTRIBUTE(
+ [constructor],,
+ [void __attribute__((constructor)) ctor() { int a; }],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_FORMAT], [
+ CC_CHECK_ATTRIBUTE(
+ [format], [format(printf, n, n)],
+ [void __attribute__((format(printf, 1, 2))) printflike(const char *fmt, ...) { fmt = (void *)0; }],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_FORMAT_ARG], [
+ CC_CHECK_ATTRIBUTE(
+ [format_arg], [format_arg(printf)],
+ [char *__attribute__((format_arg(1))) gettextlike(const char *fmt) { fmt = (void *)0; }],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_VISIBILITY], [
+ CC_CHECK_ATTRIBUTE(
+ [visibility_$1], [visibility("$1")],
+ [void __attribute__((visibility("$1"))) $1_function() { }],
+ [$2], [$3])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_NONNULL], [
+ CC_CHECK_ATTRIBUTE(
+ [nonnull], [nonnull()],
+ [void __attribute__((nonnull())) some_function(void *foo, void *bar) { foo = (void*)0; bar = (void*)0; }],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_UNUSED], [
+ CC_CHECK_ATTRIBUTE(
+ [unused], ,
+ [void some_function(void *foo, __attribute__((unused)) void *bar);],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_SENTINEL], [
+ CC_CHECK_ATTRIBUTE(
+ [sentinel], ,
+ [void some_function(void *foo, ...) __attribute__((sentinel));],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_DEPRECATED], [
+ CC_CHECK_ATTRIBUTE(
+ [deprecated], ,
+ [void some_function(void *foo, ...) __attribute__((deprecated));],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_ALIAS], [
+ CC_CHECK_ATTRIBUTE(
+ [alias], [weak, alias],
+ [void other_function(void *foo) { }
+ void some_function(void *foo) __attribute__((weak, alias("other_function")));],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_MALLOC], [
+ CC_CHECK_ATTRIBUTE(
+ [malloc], ,
+ [void * __attribute__((malloc)) my_alloc(int n);],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_PACKED], [
+ CC_CHECK_ATTRIBUTE(
+ [packed], ,
+ [struct astructure { char a; int b; long c; void *d; } __attribute__((packed));],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_CONST], [
+ CC_CHECK_ATTRIBUTE(
+ [const], ,
+ [int __attribute__((const)) twopow(int n) { return 1 << n; } ],
+ [$1], [$2])
+])
+
+AC_DEFUN([CC_FLAG_VISIBILITY], [
+ AC_REQUIRE([CC_CHECK_WERROR])
+ AC_CACHE_CHECK([if $CC supports -fvisibility=hidden],
+ [cc_cv_flag_visibility],
+ [cc_flag_visibility_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $cc_cv_werror"
+ CC_CHECK_CFLAGS_SILENT([-fvisibility=hidden],
+ cc_cv_flag_visibility='yes',
+ cc_cv_flag_visibility='no')
+ CFLAGS="$cc_flag_visibility_save_CFLAGS"])
+
+ AS_IF([test "x$cc_cv_flag_visibility" = "xyes"],
+ [AC_DEFINE([SUPPORT_FLAG_VISIBILITY], 1,
+ [Define this if the compiler supports the -fvisibility flag])
+ $1],
+ [$2])
+])
+
+AC_DEFUN([CC_FUNC_EXPECT], [
+ AC_REQUIRE([CC_CHECK_WERROR])
+ AC_CACHE_CHECK([if compiler has __builtin_expect function],
+ [cc_cv_func_expect],
+ [ac_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $cc_cv_werror"
+ AC_COMPILE_IFELSE(
+ [int some_function() {
+ int a = 3;
+ return (int)__builtin_expect(a, 3);
+ }],
+ [cc_cv_func_expect=yes],
+ [cc_cv_func_expect=no])
+ CFLAGS="$ac_save_CFLAGS"
+ ])
+
+ AS_IF([test "x$cc_cv_func_expect" = "xyes"],
+ [AC_DEFINE([SUPPORT__BUILTIN_EXPECT], 1,
+ [Define this if the compiler supports __builtin_expect() function])
+ $1],
+ [$2])
+])
+
+AC_DEFUN([CC_ATTRIBUTE_ALIGNED], [
+ AC_REQUIRE([CC_CHECK_WERROR])
+ AC_CACHE_CHECK([highest __attribute__ ((aligned ())) supported],
+ [cc_cv_attribute_aligned],
+ [ac_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $cc_cv_werror"
+ for cc_attribute_align_try in 64 32 16 8 4 2; do
+ AC_COMPILE_IFELSE([
+ int main() {
+ static char c __attribute__ ((aligned($cc_attribute_align_try))) = 0;
+ return c;
+ }], [cc_cv_attribute_aligned=$cc_attribute_align_try; break])
+ done
+ CFLAGS="$ac_save_CFLAGS"
+ ])
+
+ if test "x$cc_cv_attribute_aligned" != "x"; then
+ AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX], [$cc_cv_attribute_aligned],
+ [Define the highest alignment supported])
+ fi
+])
diff --git a/missing b/missing
new file mode 100755
index 0000000..9a55648
--- /dev/null
+++ b/missing
@@ -0,0 +1,330 @@
+#! /bin/sh
+# Common stub for a few missing GNU programs while installing.
+
+scriptversion=2012-01-06.18; # UTC
+
+# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+ echo 1>&2 "Try '$0 --help' for more information"
+ exit 1
+fi
+
+run=:
+sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
+sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
+
+# In the cases where this matters, 'missing' is being run in the
+# srcdir already.
+if test -f configure.ac; then
+ configure_ac=configure.ac
+else
+ configure_ac=configure.in
+fi
+
+msg="missing on your system"
+
+case $1 in
+--run)
+ # Try to run requested program, and just exit if it succeeds.
+ run=
+ shift
+ "$@" && exit 0
+ # Exit code 63 means version mismatch. This often happens
+ # when the user try to use an ancient version of a tool on
+ # a file that requires a minimum version. In this case we
+ # we should proceed has if the program had been absent, or
+ # if --run hadn't been passed.
+ if test $? = 63; then
+ run=:
+ msg="probably too old"
+ fi
+ ;;
+
+ -h|--h|--he|--hel|--help)
+ echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Handle 'PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
+error status if there is no known handling for PROGRAM.
+
+Options:
+ -h, --help display this help and exit
+ -v, --version output version information and exit
+ --run try to run the given command, and emulate it if it fails
+
+Supported PROGRAM values:
+ aclocal touch file 'aclocal.m4'
+ autoconf touch file 'configure'
+ autoheader touch file 'config.h.in'
+ autom4te touch the output file, or create a stub one
+ automake touch all 'Makefile.in' files
+ bison create 'y.tab.[ch]', if possible, from existing .[ch]
+ flex create 'lex.yy.c', if possible, from existing .c
+ help2man touch the output file
+ lex create 'lex.yy.c', if possible, from existing .c
+ makeinfo touch the output file
+ yacc create 'y.tab.[ch]', if possible, from existing .[ch]
+
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
+
+Send bug reports to <bug-automake@gnu.org>."
+ exit $?
+ ;;
+
+ -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+ echo "missing $scriptversion (GNU Automake)"
+ exit $?
+ ;;
+
+ -*)
+ echo 1>&2 "$0: Unknown '$1' option"
+ echo 1>&2 "Try '$0 --help' for more information"
+ exit 1
+ ;;
+
+esac
+
+# normalize program name to check for.
+program=`echo "$1" | sed '
+ s/^gnu-//; t
+ s/^gnu//; t
+ s/^g//; t'`
+
+# Now exit if we have it, but it failed. Also exit now if we
+# don't have it and --version was passed (most likely to detect
+# the program). This is about non-GNU programs, so use $1 not
+# $program.
+case $1 in
+ lex*|yacc*)
+ # Not GNU programs, they don't have --version.
+ ;;
+
+ *)
+ if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
+ # We have it, but it failed.
+ exit 1
+ elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
+ # Could not run --version or --help. This is probably someone
+ # running '$TOOL --version' or '$TOOL --help' to check whether
+ # $TOOL exists and not knowing $TOOL uses missing.
+ exit 1
+ fi
+ ;;
+esac
+
+# If it does not exist, or fails to run (possibly an outdated version),
+# try to emulate it.
+case $program in
+ aclocal*)
+ echo 1>&2 "\
+WARNING: '$1' is $msg. You should only need it if
+ you modified 'acinclude.m4' or '${configure_ac}'. You might want
+ to install the Automake and Perl packages. Grab them from
+ any GNU archive site."
+ touch aclocal.m4
+ ;;
+
+ autoconf*)
+ echo 1>&2 "\
+WARNING: '$1' is $msg. You should only need it if
+ you modified '${configure_ac}'. You might want to install the
+ Autoconf and GNU m4 packages. Grab them from any GNU
+ archive site."
+ touch configure
+ ;;
+
+ autoheader*)
+ echo 1>&2 "\
+WARNING: '$1' is $msg. You should only need it if
+ you modified 'acconfig.h' or '${configure_ac}'. You might want
+ to install the Autoconf and GNU m4 packages. Grab them
+ from any GNU archive site."
+ files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
+ test -z "$files" && files="config.h"
+ touch_files=
+ for f in $files; do
+ case $f in
+ *:*) touch_files="$touch_files "`echo "$f" |
+ sed -e 's/^[^:]*://' -e 's/:.*//'`;;
+ *) touch_files="$touch_files $f.in";;
+ esac
+ done
+ touch $touch_files
+ ;;
+
+ automake*)
+ echo 1>&2 "\
+WARNING: '$1' is $msg. You should only need it if
+ you modified 'Makefile.am', 'acinclude.m4' or '${configure_ac}'.
+ You might want to install the Automake and Perl packages.
+ Grab them from any GNU archive site."
+ find . -type f -name Makefile.am -print |
+ sed 's/\.am$/.in/' |
+ while read f; do touch "$f"; done
+ ;;
+
+ autom4te*)
+ echo 1>&2 "\
+WARNING: '$1' is needed, but is $msg.
+ You might have modified some files without having the
+ proper tools for further handling them.
+ You can get '$1' as part of Autoconf from any GNU
+ archive site."
+
+ file=`echo "$*" | sed -n "$sed_output"`
+ test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+ if test -f "$file"; then
+ touch $file
+ else
+ test -z "$file" || exec >$file
+ echo "#! /bin/sh"
+ echo "# Created by GNU Automake missing as a replacement of"
+ echo "# $ $@"
+ echo "exit 0"
+ chmod +x $file
+ exit 1
+ fi
+ ;;
+
+ bison*|yacc*)
+ echo 1>&2 "\
+WARNING: '$1' $msg. You should only need it if
+ you modified a '.y' file. You may need the Bison package
+ in order for those modifications to take effect. You can get
+ Bison from any GNU archive site."
+ rm -f y.tab.c y.tab.h
+ if test $# -ne 1; then
+ eval LASTARG=\${$#}
+ case $LASTARG in
+ *.y)
+ SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
+ if test -f "$SRCFILE"; then
+ cp "$SRCFILE" y.tab.c
+ fi
+ SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
+ if test -f "$SRCFILE"; then
+ cp "$SRCFILE" y.tab.h
+ fi
+ ;;
+ esac
+ fi
+ if test ! -f y.tab.h; then
+ echo >y.tab.h
+ fi
+ if test ! -f y.tab.c; then
+ echo 'main() { return 0; }' >y.tab.c
+ fi
+ ;;
+
+ lex*|flex*)
+ echo 1>&2 "\
+WARNING: '$1' is $msg. You should only need it if
+ you modified a '.l' file. You may need the Flex package
+ in order for those modifications to take effect. You can get
+ Flex from any GNU archive site."
+ rm -f lex.yy.c
+ if test $# -ne 1; then
+ eval LASTARG=\${$#}
+ case $LASTARG in
+ *.l)
+ SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
+ if test -f "$SRCFILE"; then
+ cp "$SRCFILE" lex.yy.c
+ fi
+ ;;
+ esac
+ fi
+ if test ! -f lex.yy.c; then
+ echo 'main() { return 0; }' >lex.yy.c
+ fi
+ ;;
+
+ help2man*)
+ echo 1>&2 "\
+WARNING: '$1' is $msg. You should only need it if
+ you modified a dependency of a manual page. You may need the
+ Help2man package in order for those modifications to take
+ effect. You can get Help2man from any GNU archive site."
+
+ file=`echo "$*" | sed -n "$sed_output"`
+ test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+ if test -f "$file"; then
+ touch $file
+ else
+ test -z "$file" || exec >$file
+ echo ".ab help2man is required to generate this page"
+ exit $?
+ fi
+ ;;
+
+ makeinfo*)
+ echo 1>&2 "\
+WARNING: '$1' is $msg. You should only need it if
+ you modified a '.texi' or '.texinfo' file, or any other file
+ indirectly affecting the aspect of the manual. The spurious
+ call might also be the consequence of using a buggy 'make' (AIX,
+ DU, IRIX). You might want to install the Texinfo package or
+ the GNU make package. Grab either from any GNU archive site."
+ # The file to touch is that specified with -o ...
+ file=`echo "$*" | sed -n "$sed_output"`
+ test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
+ if test -z "$file"; then
+ # ... or it is the one specified with @setfilename ...
+ infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
+ file=`sed -n '
+ /^@setfilename/{
+ s/.* \([^ ]*\) *$/\1/
+ p
+ q
+ }' $infile`
+ # ... or it is derived from the source name (dir/f.texi becomes f.info)
+ test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
+ fi
+ # If the file does not exist, the user really needs makeinfo;
+ # let's fail without touching anything.
+ test -f $file || exit 1
+ touch $file
+ ;;
+
+ *)
+ echo 1>&2 "\
+WARNING: '$1' is needed, and is $msg.
+ You might have modified some files without having the
+ proper tools for further handling them. Check the 'README' file,
+ it often tells you about the needed prerequisites for installing
+ this package. You may also peek at any GNU archive site, in case
+ some other package would contain this missing '$1' program."
+ exit 1
+ ;;
+esac
+
+exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/modules/Makefile.am b/modules/Makefile.am
new file mode 100644
index 0000000..bf9543e
--- /dev/null
+++ b/modules/Makefile.am
@@ -0,0 +1,3 @@
+if BUILD_MIXER
+SUBDIRS=mixer
+endif
diff --git a/modules/Makefile.in b/modules/Makefile.in
new file mode 100644
index 0000000..52c94d9
--- /dev/null
+++ b/modules/Makefile.in
@@ -0,0 +1,595 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = modules
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+mkinstalldirs = $(install_sh) -d
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+CONFIG_CLEAN_FILES =
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+am__v_GEN_0 = @echo " GEN " $@;
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+AM_V_at = $(am__v_at_@AM_V@)
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+AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
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+
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+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign modules/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign modules/Makefile
+.PRECIOUS: Makefile
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diff --git a/modules/mixer/simple/Makefile.in b/modules/mixer/simple/Makefile.in
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index 0000000..34e95aa
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool clean-pkglibLTLIBRARIES cscopelist ctags \
+ distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-pkglibLTLIBRARIES install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ pdf pdf-am ps ps-am tags uninstall uninstall-am \
+ uninstall-pkglibLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/modules/mixer/simple/ac97.c b/modules/mixer/simple/ac97.c
new file mode 100644
index 0000000..ddb6143
--- /dev/null
+++ b/modules/mixer/simple/ac97.c
@@ -0,0 +1,89 @@
+/*
+ * Mixer Interface - AC97 simple abstact module
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <math.h>
+#include "asoundlib.h"
+#include "mixer_abst.h"
+#include "sbase.h"
+
+static struct sm_elem_ops simple_ac97_ops;
+
+struct melem_sids sids[] = {
+ {
+ .sid = SID_MASTER,
+ .sname = "Master",
+ .sindex = 0,
+ .weight = 1,
+ .chanmap = { 3, 0 },
+ .sops = &simple_ac97_ops,
+ }
+};
+
+#define SELECTORS (sizeof(selectors)/sizeof(selectors[0]))
+
+struct helem_selector selectors[] = {
+ {
+ .iface = SND_CTL_ELEM_IFACE_MIXER,
+ .name = "Master Playback Volume",
+ .index = 0,
+ .sid = SID_MASTER,
+ .purpose = PURPOSE_VOLUME,
+ .caps = SM_CAP_PVOLUME,
+ },
+ {
+ .iface = SND_CTL_ELEM_IFACE_MIXER,
+ .name = "Master Playback Switch",
+ .index = 0,
+ .sid = SID_MASTER,
+ .purpose = PURPOSE_SWITCH,
+ .caps = SM_CAP_PSWITCH,
+ }
+};
+
+int alsa_mixer_simple_event(snd_mixer_class_t *class, unsigned int mask,
+ snd_hctl_elem_t *helem, snd_mixer_elem_t *melem)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ return priv->ops.event(class, mask, helem, melem);
+}
+
+int alsa_mixer_simple_init(snd_mixer_class_t *class)
+{
+ struct bclass_base_ops *ops;
+ int err;
+
+ err = mixer_simple_basic_dlopen(class, &ops);
+ if (err < 0)
+ return 0;
+ err = ops->selreg(class, selectors, SELECTORS);
+ if (err < 0)
+ return err;
+ err = ops->sidreg(class, sids, SELECTORS);
+ if (err < 0)
+ return err;
+ return 0;
+}
diff --git a/modules/mixer/simple/hda.c b/modules/mixer/simple/hda.c
new file mode 100644
index 0000000..13c931a
--- /dev/null
+++ b/modules/mixer/simple/hda.c
@@ -0,0 +1,90 @@
+/*
+ * Mixer Interface - HDA simple abstact module
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <math.h>
+#include "asoundlib.h"
+#include "mixer_abst.h"
+#include "sbase.h"
+
+static struct sm_elem_ops simple_hda_ops;
+
+struct melem_sids sids[] = {
+ {
+ .sid = SID_FRONT,
+ .sname = "Front",
+ .sindex = 0,
+ .weight = 1,
+ .chanmap = { 3, 0 },
+ .sops = &simple_hda_ops,
+ }
+};
+
+#define SELECTORS (sizeof(selectors)/sizeof(selectors[0]))
+
+struct helem_selector selectors[] = {
+ {
+ .iface = SND_CTL_ELEM_IFACE_MIXER,
+ .name = "Front Playback Volume",
+ .index = 0,
+ .sid = SID_FRONT,
+ .purpose = PURPOSE_VOLUME,
+ .caps = SM_CAP_PVOLUME,
+ },
+ {
+ .iface = SND_CTL_ELEM_IFACE_MIXER,
+ .name = "Front Playback Switch",
+ .index = 0,
+ .sid = SID_FRONT,
+ .purpose = PURPOSE_SWITCH,
+ .caps = SM_CAP_PSWITCH,
+ }
+};
+
+int alsa_mixer_simple_event(snd_mixer_class_t *class, unsigned int mask,
+ snd_hctl_elem_t *helem, snd_mixer_elem_t *melem)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ return priv->ops.event(class, mask, helem, melem);
+}
+
+int alsa_mixer_simple_init(snd_mixer_class_t *class)
+{
+ struct bclass_base_ops *ops;
+ int err;
+
+ err = mixer_simple_basic_dlopen(class, &ops);
+ if (err < 0)
+ return 0;
+ err = ops->selreg(class, selectors, SELECTORS);
+ if (err < 0)
+ return err;
+ err = ops->sidreg(class, sids, SELECTORS);
+ if (err < 0)
+ return err;
+ return 0;
+}
diff --git a/modules/mixer/simple/python.c b/modules/mixer/simple/python.c
new file mode 100644
index 0000000..c822c52
--- /dev/null
+++ b/modules/mixer/simple/python.c
@@ -0,0 +1,1046 @@
+/*
+ * Mixer Interface - python binding simple abstact module
+ * Copyright (c) 2007 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "Python.h"
+#include <stddef.h>
+#include "config.h"
+#include "asoundlib.h"
+#include "mixer_abst.h"
+
+struct python_priv {
+ int py_initialized;
+ PyObject *py_event_func;
+ PyObject *py_mdict;
+ PyObject *py_mixer;
+};
+
+#define SCRIPT ALSA_PLUGIN_DIR "/smixer/python/main.py"
+
+struct pymelem {
+ PyObject_HEAD
+ sm_selem_t selem;
+ PyObject *py_mixer;
+ snd_mixer_elem_t *melem;
+};
+
+struct pymixer {
+ PyObject_HEAD
+ snd_mixer_class_t *class;
+ snd_mixer_t *mixer;
+ PyObject *mdict;
+ int hctl_count;
+ void **hctl;
+ int helem_count;
+ void **helem;
+ int melem_count;
+ void **melem;
+};
+
+static PyInterpreterState *main_interpreter;
+
+static void *get_C_ptr(PyObject *obj, const char *attr)
+{
+ PyObject *o;
+
+ o = PyObject_GetAttr(obj, PyString_InternFromString(attr));
+ if (!o) {
+ PyErr_Format(PyExc_TypeError, "missing '%s' attribute", attr);
+ return NULL;
+ }
+ if (!PyInt_Check(o)) {
+ PyErr_Format(PyExc_TypeError, "'%s' attribute is not integer", attr);
+ return NULL;
+ }
+ return (void *)PyInt_AsLong(o);
+}
+
+static struct pymelem *melem_to_pymelem(snd_mixer_elem_t *elem)
+{
+ return (struct pymelem *)((char *)snd_mixer_elem_get_private(elem) - offsetof(struct pymelem, selem));
+}
+
+static int pcall(struct pymelem *pymelem, const char *attr, PyObject *args, PyObject **_res)
+{
+ PyObject *obj = (PyObject *)pymelem, *res;
+ int xres = 0;
+
+ if (_res)
+ *_res = NULL;
+ obj = PyObject_GetAttr(obj, PyString_InternFromString(attr));
+ if (!obj) {
+ PyErr_Format(PyExc_TypeError, "missing '%s' attribute", attr);
+ PyErr_Print();
+ PyErr_Clear();
+ Py_DECREF(args);
+ return -EIO;
+ }
+ res = PyObject_CallObject(obj, args);
+ Py_XDECREF(args);
+ if (res == NULL) {
+ PyErr_Print();
+ PyErr_Clear();
+ return -EIO;
+ }
+ if (_res && PyTuple_Check(res)) {
+ *_res = res;
+ res = PyTuple_GetItem(res, 0);
+ }
+ if (PyInt_Check(res)) {
+ xres = PyInt_AsLong(res);
+ } else if (res == Py_None) {
+ xres = 0;
+ } else if (PyBool_Check(res)) {
+ xres = res == Py_True;
+ } else {
+ PyErr_Format(PyExc_TypeError, "wrong result from '%s'!", attr);
+ PyErr_Print();
+ PyErr_Clear();
+ Py_DECREF(res);
+ if (_res)
+ *_res = NULL;
+ return -EIO;
+ }
+ if (_res && *_res)
+ return xres;
+ Py_DECREF(res);
+ return xres;
+}
+
+static int is_ops(snd_mixer_elem_t *elem, int dir, int cmd, int val)
+{
+ PyObject *obj1;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+ char *s, fcn[32] = "opsIs";
+ int res, xdir = 1, xval = 0;
+
+ switch (cmd) {
+ case SM_OPS_IS_ACTIVE: s = "Active"; xdir = 0; break;
+ case SM_OPS_IS_MONO: s = "Mono"; break;
+ case SM_OPS_IS_CHANNEL: s = "Channel"; xval = 1; break;
+ case SM_OPS_IS_ENUMERATED: s = "Enumerated"; xdir = val == 1; break;
+ case SM_OPS_IS_ENUMCNT: s = "EnumCnt"; break;
+ default:
+ return 1;
+ }
+ strcat(fcn, s);
+
+ obj1 = PyTuple_New(xdir + xval);
+ if (xdir) {
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ if (xval)
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(val));
+ }
+ res = pcall(pymelem, fcn, obj1, NULL);
+ return res < 0 ? 0 : res;
+}
+
+static int get_x_range_ops(snd_mixer_elem_t *elem, int dir,
+ long *min, long *max, const char *attr)
+{
+ PyObject *obj1, *res;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+ int err;
+
+ obj1 = PyTuple_New(1);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ err = pcall(pymelem, attr, obj1, &res);
+ if (err >= 0) {
+ err = !PyInt_Check(PyTuple_GetItem(res, 1)) || !PyInt_Check(PyTuple_GetItem(res, 2));
+ if (err) {
+ err = !PyLong_Check(PyTuple_GetItem(res, 1)) || !PyLong_Check(PyTuple_GetItem(res, 2));
+ if (err) {
+ PyErr_Format(PyExc_TypeError, "wrong result (invalid tuple)");
+ PyErr_Print();
+ PyErr_Clear();
+ err = -EIO;
+ } else {
+ *min = PyLong_AsLong(PyTuple_GetItem(res, 1));
+ *max = PyLong_AsLong(PyTuple_GetItem(res, 2));
+ }
+ } else {
+ *min = PyInt_AsLong(PyTuple_GetItem(res, 1));
+ *max = PyInt_AsLong(PyTuple_GetItem(res, 2));
+ }
+ }
+ Py_XDECREF(res);
+ return err;
+}
+
+static int get_range_ops(snd_mixer_elem_t *elem, int dir,
+ long *min, long *max)
+{
+ return get_x_range_ops(elem, dir, min, max, "opsGetRange");
+}
+
+static int set_range_ops(snd_mixer_elem_t *elem, int dir,
+ long min, long max)
+{
+ PyObject *obj1;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+
+ obj1 = PyTuple_New(3);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(min));
+ PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong(max));
+ return pcall(pymelem, "opsGetRange", obj1, NULL);
+}
+
+static int get_x_ops(snd_mixer_elem_t *elem, int dir,
+ long channel, long *value,
+ const char *attr)
+{
+ PyObject *obj1, *res;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+ int err;
+
+ obj1 = PyTuple_New(2);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(channel));
+ err = pcall(pymelem, attr, obj1, &res);
+ if (err >= 0) {
+ err = !PyInt_Check(PyTuple_GetItem(res, 1));
+ if (err) {
+ err = !PyLong_Check(PyTuple_GetItem(res, 1));
+ if (err) {
+ PyErr_Format(PyExc_TypeError, "wrong result (invalid tuple)");
+ PyErr_Print();
+ PyErr_Clear();
+ err = -EIO;
+ } else {
+ *value = PyLong_AsLong(PyTuple_GetItem(res, 1));
+ }
+ } else {
+ *value = PyInt_AsLong(PyTuple_GetItem(res, 1));
+ }
+ }
+ Py_XDECREF(res);
+ return err;
+}
+
+static int get_volume_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, long *value)
+{
+ return get_x_ops(elem, dir, channel, value, "opsGetVolume");
+}
+
+static int get_switch_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, int *value)
+{
+ long value1;
+ int res;
+ res = get_x_ops(elem, dir, channel, &value1, "opsGetSwitch");
+ *value = value1;
+ return res;
+}
+
+static int ask_vol_dB_ops(snd_mixer_elem_t *elem,
+ int dir,
+ long value,
+ long *dbValue)
+{
+ return get_x_ops(elem, dir, value, dbValue, "opsGetVolDB");
+}
+
+static int ask_dB_vol_ops(snd_mixer_elem_t *elem,
+ int dir,
+ long value,
+ long *dbValue,
+ int xdir)
+{
+ PyObject *obj1, *res;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+ int err;
+
+ obj1 = PyTuple_New(3);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(value));
+ PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong(xdir));
+ err = pcall(pymelem, "opsGetDBVol", obj1, &res);
+ if (err >= 0) {
+ err = !PyInt_Check(PyTuple_GetItem(res, 1));
+ if (err) {
+ err = !PyLong_Check(PyTuple_GetItem(res, 1));
+ if (err) {
+ PyErr_Format(PyExc_TypeError, "wrong result (invalid tuple)");
+ PyErr_Print();
+ PyErr_Clear();
+ err = -EIO;
+ } else {
+ *dbValue = PyLong_AsLong(PyTuple_GetItem(res, 1));
+ }
+ } else {
+ *dbValue = PyInt_AsLong(PyTuple_GetItem(res, 1));
+ }
+ }
+ Py_XDECREF(res);
+ return err;
+}
+
+static int get_dB_ops(snd_mixer_elem_t *elem,
+ int dir,
+ snd_mixer_selem_channel_id_t channel,
+ long *value)
+{
+ return get_x_ops(elem, dir, channel, value, "opsGetDB");
+}
+
+static int get_dB_range_ops(snd_mixer_elem_t *elem, int dir,
+ long *min, long *max)
+{
+ return get_x_range_ops(elem, dir, min, max, "opsGetDBRange");
+}
+
+static int set_volume_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, long value)
+{
+ PyObject *obj1;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+
+ obj1 = PyTuple_New(3);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(channel));
+ PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong(value));
+ return pcall(pymelem, "opsSetVolume", obj1, NULL);
+}
+
+static int set_switch_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, int value)
+{
+ PyObject *obj1;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+
+ obj1 = PyTuple_New(3);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(channel));
+ PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong(value));
+ return pcall(pymelem, "opsSetSwitch", obj1, NULL);
+}
+
+static int set_dB_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel,
+ long db_gain, int xdir)
+{
+ PyObject *obj1;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+
+ obj1 = PyTuple_New(4);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(dir));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(channel));
+ PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong(db_gain));
+ PyTuple_SET_ITEM(obj1, 3, PyInt_FromLong(xdir));
+ return pcall(pymelem, "opsSetDB", obj1, NULL);
+}
+
+static int enum_item_name_ops(snd_mixer_elem_t *elem,
+ unsigned int item,
+ size_t maxlen, char *buf)
+{
+ PyObject *obj1, *res;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+ int err;
+ unsigned int len;
+ char *s;
+
+ obj1 = PyTuple_New(1);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(item));
+ err = pcall(pymelem, "opsGetEnumItemName", obj1, &res);
+ if (err >= 0) {
+ err = !PyString_Check(PyTuple_GetItem(res, 1));
+ if (err) {
+ PyErr_Format(PyExc_TypeError, "wrong result (invalid tuple)");
+ PyErr_Print();
+ PyErr_Clear();
+ err = -EIO;
+ } else {
+ s = PyString_AsString(PyTuple_GetItem(res, 1));
+ len = strlen(s);
+ if (maxlen - 1 > len)
+ len = maxlen - 1;
+ memcpy(buf, s, len);
+ buf[len] = '\0';
+ }
+ }
+ Py_XDECREF(res);
+ return err;
+}
+
+static int get_enum_item_ops(snd_mixer_elem_t *elem,
+ snd_mixer_selem_channel_id_t channel,
+ unsigned int *itemp)
+{
+ PyObject *obj1, *res;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+ int err;
+
+ obj1 = PyTuple_New(1);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(channel));
+ err = pcall(pymelem, "opsGetEnumItem", obj1, &res);
+ if (err >= 0) {
+ err = !PyInt_Check(PyTuple_GetItem(res, 1));
+ if (err) {
+ PyErr_Format(PyExc_TypeError, "wrong result (invalid tuple)");
+ PyErr_Print();
+ PyErr_Clear();
+ err = -EIO;
+ } else {
+ *itemp = PyInt_AsLong(PyTuple_GetItem(res, 1));
+ }
+ }
+ Py_XDECREF(res);
+ return err;
+}
+
+static int set_enum_item_ops(snd_mixer_elem_t *elem,
+ snd_mixer_selem_channel_id_t channel,
+ unsigned int item)
+{
+ PyObject *obj1;
+ struct pymelem *pymelem = melem_to_pymelem(elem);
+
+ obj1 = PyTuple_New(2);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong(channel));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong(item));
+ return pcall(pymelem, "opsSetEnumItem", obj1, NULL);
+}
+
+static struct sm_elem_ops simple_python_ops = {
+ .is = is_ops,
+ .get_range = get_range_ops,
+ .get_dB_range = get_dB_range_ops,
+ .set_range = set_range_ops,
+ .ask_vol_dB = ask_vol_dB_ops,
+ .ask_dB_vol = ask_dB_vol_ops,
+ .get_volume = get_volume_ops,
+ .get_dB = get_dB_ops,
+ .set_volume = set_volume_ops,
+ .set_dB = set_dB_ops,
+ .get_switch = get_switch_ops,
+ .set_switch = set_switch_ops,
+ .enum_item_name = enum_item_name_ops,
+ .get_enum_item = get_enum_item_ops,
+ .set_enum_item = set_enum_item_ops
+};
+
+static void selem_free(snd_mixer_elem_t *elem)
+{
+ sm_selem_t *simple = snd_mixer_elem_get_private(elem);
+
+ if (simple->id) {
+ snd_mixer_selem_id_free(simple->id);
+ simple->id = NULL;
+ }
+}
+
+static PyObject *
+pymelem_cap(struct pymelem *pymelem ATTRIBUTE_UNUSED, void *priv)
+{
+ return PyInt_FromLong((long)priv);
+}
+
+static PyObject *
+pymelem_get_caps(struct pymelem *pymelem, void *priv ATTRIBUTE_UNUSED)
+{
+ return PyInt_FromLong(pymelem->selem.caps);
+}
+
+static PyObject *
+pymelem_get_name(struct pymelem *pymelem, void *priv ATTRIBUTE_UNUSED)
+{
+ return PyString_FromString(snd_mixer_selem_id_get_name(pymelem->selem.id));
+}
+
+static PyObject *
+pymelem_get_index(struct pymelem *pymelem, void *priv ATTRIBUTE_UNUSED)
+{
+ return PyInt_FromLong(snd_mixer_selem_id_get_index(pymelem->selem.id));
+}
+
+static int
+pymelem_set_caps(struct pymelem *pymelem, PyObject *val, void *priv ATTRIBUTE_UNUSED)
+{
+ if (!PyInt_Check(val)) {
+ PyErr_SetString(PyExc_TypeError, "The last attribute value must be an integer");
+ return -1;
+ }
+ pymelem->selem.caps = PyInt_AsLong(val);
+ return 0;
+}
+
+static PyObject *
+pymelem_ignore(struct pymelem *pymelem ATTRIBUTE_UNUSED, PyObject *args ATTRIBUTE_UNUSED)
+{
+ Py_RETURN_NONE;
+}
+
+static PyObject *
+pymelem_ignore1(struct pymelem *pymelem ATTRIBUTE_UNUSED, PyObject *args ATTRIBUTE_UNUSED)
+{
+ Py_RETURN_TRUE;
+}
+
+static PyObject *
+pymelem_error(struct pymelem *pymelem ATTRIBUTE_UNUSED, PyObject *args ATTRIBUTE_UNUSED)
+{
+ return PyInt_FromLong(-EIO);
+}
+
+static PyObject *
+pymelem_attach(struct pymelem *pymelem, PyObject *args)
+{
+ PyObject *obj;
+ snd_hctl_elem_t *helem;
+ int err;
+
+ if (!PyArg_ParseTuple(args, "O", &obj))
+ return NULL;
+ helem = (snd_hctl_elem_t *)get_C_ptr(obj, "get_C_helem");
+ if (helem == NULL)
+ return NULL;
+ err = snd_mixer_elem_attach(pymelem->melem, helem);
+ if (err < 0) {
+ PyErr_Format(PyExc_RuntimeError, "Cannot attach hcontrol element to mixer element: %s", snd_strerror(err));
+ return NULL;
+ }
+ Py_RETURN_NONE;
+}
+
+static PyObject *
+pymelem_detach(struct pymelem *pymelem, PyObject *args)
+{
+ PyObject *obj;
+ snd_hctl_elem_t *helem;
+ int err;
+
+ if (!PyArg_ParseTuple(args, "O", &obj))
+ return NULL;
+ helem = (snd_hctl_elem_t *)get_C_ptr(obj, "get_C_helem");
+ if (helem == NULL)
+ return NULL;
+ err = snd_mixer_elem_detach(pymelem->melem, helem);
+ if (err < 0) {
+ PyErr_Format(PyExc_RuntimeError, "Cannot detach hcontrol element to mixer element: %s", snd_strerror(err));
+ return NULL;
+ }
+ Py_RETURN_NONE;
+}
+
+static PyObject *
+pymelem_event_info(struct pymelem *pymelem, PyObject *args)
+{
+ if (!PyArg_ParseTuple(args, ""))
+ return NULL;
+ return PyInt_FromLong(snd_mixer_elem_info(pymelem->melem));
+}
+
+static PyObject *
+pymelem_event_value(struct pymelem *pymelem, PyObject *args)
+{
+ if (!PyArg_ParseTuple(args, ""))
+ return NULL;
+ return PyInt_FromLong(snd_mixer_elem_value(pymelem->melem));
+}
+
+static int
+pymelem_init(struct pymelem *pymelem, PyObject *args, PyObject *kwds ATTRIBUTE_UNUSED)
+{
+ char *name;
+ long index, weight;
+ snd_mixer_selem_id_t *id;
+ int err;
+
+ if (!PyArg_ParseTuple(args, "Osii", &pymelem->py_mixer, &name, &index, &weight))
+ return -1;
+ memset(&pymelem->selem, 0, sizeof(pymelem->selem));
+ if (snd_mixer_selem_id_malloc(&id))
+ return -1;
+ snd_mixer_selem_id_set_name(id, name);
+ snd_mixer_selem_id_set_index(id, index);
+ pymelem->selem.id = id;
+ pymelem->selem.ops = &simple_python_ops;
+ err = snd_mixer_elem_new(&pymelem->melem, SND_MIXER_ELEM_SIMPLE,
+ weight, &pymelem->selem, selem_free);
+ if (err < 0) {
+ snd_mixer_selem_id_free(id);
+ return -1;
+ }
+ return 0;
+}
+
+static void
+pymelem_dealloc(struct pymelem *self)
+{
+ selem_free(self->melem);
+ self->ob_type->tp_free(self);
+}
+
+static PyGetSetDef pymelem_getseters[] = {
+ {"CAP_GVOLUME", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_GVOLUME},
+ {"CAP_GSWITCH", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_GSWITCH},
+ {"CAP_PVOLUME", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_PVOLUME},
+ {"CAP_PVOLUME_JOIN", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_PVOLUME_JOIN},
+ {"CAP_PSWITCH", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_PSWITCH},
+ {"CAP_PSWITCH_JOIN", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_PSWITCH_JOIN},
+ {"CAP_CVOLUME", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_CVOLUME},
+ {"CAP_CVOLUME_JOIN", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_CVOLUME_JOIN},
+ {"CAP_CSWITCH", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_CSWITCH},
+ {"CAP_CSWITCH_JOIN", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_CSWITCH_JOIN},
+ {"CAP_CSWITCH_EXCL", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_CSWITCH_EXCL},
+ {"CAP_PENUM", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_PENUM},
+ {"CAP_CENUM", (getter)pymelem_cap, NULL, NULL, (void *)SM_CAP_CENUM},
+
+ {"caps", (getter)pymelem_get_caps, (setter)pymelem_set_caps, NULL, NULL},
+
+ {"name", (getter)pymelem_get_name, NULL, NULL, NULL},
+ {"index", (getter)pymelem_get_index, NULL, NULL, NULL},
+
+ {NULL,NULL,NULL,NULL,NULL}
+};
+
+static PyMethodDef pymelem_methods[] = {
+ {"attach", (PyCFunction)pymelem_attach, METH_VARARGS, NULL},
+ {"detach", (PyCFunction)pymelem_detach, METH_VARARGS, NULL},
+
+ /* "default" functions - no functionality */
+ {"opsIsActive", (PyCFunction)pymelem_ignore1, METH_VARARGS, NULL},
+ {"opsIsMono", (PyCFunction)pymelem_ignore, METH_VARARGS, NULL},
+ {"opsIsChannel", (PyCFunction)pymelem_ignore, METH_VARARGS, NULL},
+ {"opsIsEnumerated", (PyCFunction)pymelem_ignore, METH_VARARGS, NULL},
+ {"opsIsEnumCnt", (PyCFunction)pymelem_ignore, METH_VARARGS, NULL},
+
+ {"opsGetDB", (PyCFunction)pymelem_error, METH_VARARGS, NULL},
+
+ {"eventInfo", (PyCFunction)pymelem_event_info, METH_VARARGS, NULL},
+ {"eventValue", (PyCFunction)pymelem_event_value, METH_VARARGS, NULL},
+
+ {NULL,NULL,0,NULL}
+};
+
+static PyTypeObject pymelem_type = {
+ PyObject_HEAD_INIT(0)
+ tp_name: "smixer_python.InternalMElement",
+ tp_basicsize: sizeof(struct pymelem),
+ tp_dealloc: (destructor)pymelem_dealloc,
+ tp_flags: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+ tp_doc: NULL /* mixerinit__doc__ */,
+ tp_getset: pymelem_getseters,
+ tp_init: (initproc)pymelem_init,
+ tp_alloc: PyType_GenericAlloc,
+ tp_new: PyType_GenericNew,
+ tp_free: PyObject_Del,
+ tp_methods: pymelem_methods,
+};
+
+static PyObject *
+pymixer_attach_hctl(struct pymixer *pymixer, PyObject *args)
+{
+ PyObject *obj;
+ snd_hctl_t *hctl;
+ void **hctls;
+ int err;
+
+ if (!PyArg_ParseTuple(args, "O", &obj))
+ return NULL;
+ hctl = (snd_hctl_t *)get_C_ptr(obj, "get_C_hctl");
+ if (hctl == NULL)
+ return NULL;
+ err = snd_mixer_attach_hctl(pymixer->mixer, hctl);
+ if (err < 0) {
+ PyErr_Format(PyExc_RuntimeError, "Cannot attach hctl: %s", snd_strerror(err));
+ return NULL;
+ }
+ hctls = realloc(pymixer->hctl, sizeof(void *) * (pymixer->hctl_count+1) * 2);
+ if (hctls == NULL) {
+ PyErr_SetString(PyExc_RuntimeError, "No enough memory");
+ return NULL;
+ }
+ pymixer->hctl = hctls;
+ pymixer->hctl[pymixer->hctl_count*2] = (void *)hctl;
+ pymixer->hctl[pymixer->hctl_count*2+1] = (void *)obj;
+ pymixer->hctl_count++;
+ Py_INCREF(obj);
+ Py_RETURN_NONE;
+}
+
+static PyObject *
+pymixer_register(struct pymixer *pymixer, PyObject *args)
+{
+ int err;
+
+ if (!PyArg_ParseTuple(args, ""))
+ return NULL;
+ err = snd_mixer_class_register(pymixer->class, pymixer->mixer);
+ if (err < 0) {
+ PyErr_Format(PyExc_RuntimeError, "Cannot register mixer: %s", snd_strerror(err));
+ return NULL;
+ }
+ Py_RETURN_NONE;
+}
+
+static PyObject *
+pymixer_melement_new(struct pymixer *pymixer, PyObject *args)
+{
+ PyObject *obj, *obj1, *obj2;
+ char *class, *name;
+ long index, weight;
+
+ if (!PyArg_ParseTuple(args, "ssii", &class, &name, &index, &weight))
+ return NULL;
+ obj = PyDict_GetItemString(pymixer->mdict, class);
+ if (obj) {
+ obj1 = PyTuple_New(4);
+ if (PyTuple_SET_ITEM(obj1, 0, (PyObject *)pymixer))
+ Py_INCREF((PyObject *)pymixer);
+ PyTuple_SET_ITEM(obj1, 1, PyString_FromString(name));
+ PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong(index));
+ PyTuple_SET_ITEM(obj1, 3, PyInt_FromLong(weight));
+ obj2 = PyObject_CallObject(obj, obj1);
+ Py_XDECREF(obj1);
+ if (obj2) {
+ struct pymelem *pymelem = (struct pymelem *)obj2;
+ void **melems = realloc(pymixer->melem, sizeof(void *) * (pymixer->melem_count + 1) * 2);
+ if (melems == NULL) {
+ Py_DECREF(obj2);
+ return NULL;
+ }
+ melems[pymixer->melem_count*2] = pymelem->melem;
+ melems[pymixer->melem_count*2+1] = obj2;
+ Py_INCREF(obj2);
+ pymixer->melem = melems;
+ pymixer->melem_count++;
+ }
+ } else {
+ PyErr_Format(PyExc_RuntimeError, "Cannot find class '%s'", class);
+ return NULL;
+ }
+ return obj2;
+}
+
+static PyObject *
+pymixer_melement_add(struct pymixer *pymixer, PyObject *args)
+{
+ PyObject *obj;
+ struct pymelem *pymelem;
+ int err;
+
+ if (!PyArg_ParseTuple(args, "O", &obj))
+ return NULL;
+ pymelem = (struct pymelem *)obj;
+ err = snd_mixer_elem_add(pymelem->melem, pymixer->class);
+ if (err < 0) {
+ PyErr_Format(PyExc_RuntimeError, "Cannot add mixer element: %s", snd_strerror(err));
+ return NULL;
+ }
+ Py_RETURN_NONE;
+}
+
+static int
+pymixer_init(struct pymixer *pymixer, PyObject *args, PyObject *kwds ATTRIBUTE_UNUSED)
+{
+ long class, mixer;
+
+ if (!PyArg_ParseTuple(args, "iiO", &class, &mixer, &pymixer->mdict))
+ return -1;
+ pymixer->class = (snd_mixer_class_t *)class;
+ pymixer->mixer = (snd_mixer_t *)mixer;
+ pymixer->hctl_count = 0;
+ pymixer->hctl = NULL;
+ pymixer->helem_count = 0;
+ pymixer->helem = NULL;
+ pymixer->melem_count = 0;
+ pymixer->melem = NULL;
+ return 0;
+}
+
+static void
+pymixer_free(struct pymixer *self)
+{
+ int idx;
+
+ for (idx = 0; idx < self->hctl_count; idx++) {
+ snd_mixer_detach_hctl(self->mixer, self->hctl[idx*2]);
+ Py_DECREF((PyObject *)self->hctl[idx*2+1]);
+ }
+ if (self->hctl)
+ free(self->hctl);
+ self->hctl_count = 0;
+ self->hctl = NULL;
+ for (idx = 0; idx < self->helem_count; idx++)
+ Py_DECREF((PyObject *)self->helem[idx*2+1]);
+ if (self->helem)
+ free(self->helem);
+ self->helem_count = 0;
+ self->helem = NULL;
+ for (idx = 0; idx < self->melem_count; idx++)
+ Py_DECREF((PyObject *)self->melem[idx*2+1]);
+ if (self->melem)
+ free(self->melem);
+ self->melem_count = 0;
+ self->melem = NULL;
+}
+
+static void
+pymixer_dealloc(struct pymixer *self)
+{
+ pymixer_free(self);
+ self->ob_type->tp_free(self);
+}
+
+static PyGetSetDef pymixer_getseters[] = {
+ {NULL,NULL,NULL,NULL,NULL}
+};
+
+static PyMethodDef pymixer_methods[] = {
+ {"attachHCtl", (PyCFunction)pymixer_attach_hctl, METH_VARARGS, NULL},
+ {"register", (PyCFunction)pymixer_register, METH_VARARGS, NULL},
+ {"newMElement", (PyCFunction)pymixer_melement_new, METH_VARARGS, NULL},
+ {"addMElement", (PyCFunction)pymixer_melement_add, METH_VARARGS, NULL},
+ {NULL,NULL,0,NULL}
+};
+
+static PyTypeObject pymixer_type = {
+ PyObject_HEAD_INIT(0)
+ tp_name: "smixer_python.InternalMixer",
+ tp_basicsize: sizeof(struct pymixer),
+ tp_dealloc: (destructor)pymixer_dealloc,
+ tp_flags: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+ tp_doc: NULL /* mixerinit__doc__ */,
+ tp_getset: pymixer_getseters,
+ tp_init: (initproc)pymixer_init,
+ tp_alloc: PyType_GenericAlloc,
+ tp_new: PyType_GenericNew,
+ tp_free: PyObject_Del,
+ tp_methods: pymixer_methods,
+};
+
+static PyMethodDef python_methods[] = {
+ {NULL, NULL, 0, NULL}
+};
+
+static PyObject *new_helem(struct python_priv *priv, snd_hctl_elem_t *helem)
+{
+ PyObject *obj, *py_hctl = NULL, *obj1, *obj2;
+ snd_hctl_t *hctl = snd_hctl_elem_get_hctl(helem);
+ struct pymixer *pymixer = (struct pymixer *)priv->py_mixer;
+ int idx;
+
+ for (idx = 0; idx < pymixer->hctl_count; idx++) {
+ if (pymixer->hctl[idx] == hctl) {
+ py_hctl = pymixer->hctl[idx*2+1];
+ break;
+ }
+ }
+ if (py_hctl == NULL)
+ return NULL;
+ obj = PyDict_GetItemString(priv->py_mdict, "HElement");
+ if (obj) {
+ obj1 = PyTuple_New(3);
+ if (PyTuple_SET_ITEM(obj1, 0, py_hctl))
+ Py_INCREF(py_hctl);
+ PyTuple_SET_ITEM(obj1, 1, PyFloat_FromDouble(1));
+ PyTuple_SET_ITEM(obj1, 2, PyInt_FromLong((long)helem));
+ obj2 = PyObject_CallObject(obj, obj1);
+ if (obj2 == NULL) {
+ PyErr_Print();
+ PyErr_Clear();
+ }
+ Py_XDECREF(obj1);
+ } else {
+ SNDERR("Unable to create InternalMixer object");
+ return NULL;
+ }
+ if (obj2) {
+ struct pymixer *pymixer = (struct pymixer *)priv->py_mixer;
+ void **helems = realloc(pymixer->helem, sizeof(void *) * (pymixer->helem_count + 1) * 2);
+ if (helems == NULL) {
+ Py_DECREF(obj2);
+ return NULL;
+ }
+ helems[pymixer->helem_count*2] = helem;
+ helems[pymixer->helem_count*2+1] = obj2;
+ Py_INCREF(obj2);
+ pymixer->helem = helems;
+ pymixer->helem_count++;
+ }
+ return obj2;
+}
+
+static PyObject *find_helem(struct python_priv *priv, snd_hctl_elem_t *helem)
+{
+ struct pymixer *pymixer = (struct pymixer *)priv->py_mixer;
+ int idx;
+
+ for (idx = 0; idx < pymixer->helem_count; idx++) {
+ if (pymixer->helem[idx*2] == helem)
+ return (PyObject *)pymixer->helem[idx*2+1];
+ }
+ return NULL;
+}
+
+static PyObject *find_melem(struct python_priv *priv, snd_mixer_elem_t *melem)
+{
+ struct pymixer *pymixer = (struct pymixer *)priv->py_mixer;
+ int idx;
+
+ for (idx = 0; idx < pymixer->melem_count; idx++) {
+ if (pymixer->melem[idx*2] == melem)
+ return (PyObject *)pymixer->melem[idx*2+1];
+ }
+ return NULL;
+}
+
+int alsa_mixer_simple_event(snd_mixer_class_t *class, unsigned int mask,
+ snd_hctl_elem_t *helem, snd_mixer_elem_t *melem)
+{
+ struct python_priv *priv = snd_mixer_sbasic_get_private(class);
+ PyThreadState *tstate, *origstate;
+ PyObject *t, *o, *r;
+ int res = -ENOMEM;
+
+ tstate = PyThreadState_New(main_interpreter);
+ origstate = PyThreadState_Swap(tstate);
+
+ t = PyTuple_New(3);
+ if (t) {
+ PyTuple_SET_ITEM(t, 0, (PyObject *)PyInt_FromLong(mask));
+ o = find_helem(priv, helem);
+ if (mask & SND_CTL_EVENT_MASK_ADD) {
+ if (o == NULL)
+ o = new_helem(priv, helem);
+ }
+ if (o == NULL)
+ return 0;
+ if (PyTuple_SET_ITEM(t, 1, o))
+ Py_INCREF(o);
+ o = melem ? find_melem(priv, melem) : Py_None;
+ if (PyTuple_SET_ITEM(t, 2, o))
+ Py_INCREF(o);
+ r = PyObject_CallObject(priv->py_event_func, t);
+ Py_DECREF(t);
+ if (r) {
+ if (PyInt_Check(r)) {
+ res = PyInt_AsLong(r);
+ } else if (r == Py_None) {
+ res = 0;
+ }
+ Py_DECREF(r);
+ } else {
+ PyErr_Print();
+ PyErr_Clear();
+ res = -EIO;
+ }
+ }
+
+ return res;
+}
+
+static void alsa_mixer_simple_free(snd_mixer_class_t *class)
+{
+ struct python_priv *priv = snd_mixer_sbasic_get_private(class);
+
+ if (priv->py_mixer) {
+ pymixer_free((struct pymixer *)priv->py_mixer);
+ Py_DECREF(priv->py_mixer);
+ }
+ if (priv->py_initialized) {
+ Py_XDECREF(priv->py_event_func);
+ Py_Finalize();
+ }
+ free(priv);
+}
+
+int alsa_mixer_simple_finit(snd_mixer_class_t *class,
+ snd_mixer_t *mixer,
+ const char *device)
+{
+ struct python_priv *priv;
+ FILE *fp;
+ const char *file;
+ PyObject *obj, *obj1, *obj2, *py_mod, *mdict;
+
+ priv = calloc(1, sizeof(*priv));
+ if (priv == NULL)
+ return -ENOMEM;
+
+ snd_mixer_sbasic_set_private(class, priv);
+ snd_mixer_sbasic_set_private_free(class, alsa_mixer_simple_free);
+
+ file = getenv("ALSA_MIXER_SIMPLE_MPYTHON");
+ if (file == NULL)
+ file = SCRIPT;
+
+ fp = fopen(file, "r");
+ if (fp == NULL) {
+ SNDERR("Unable to find python module '%s'", file);
+ return -ENODEV;
+ }
+
+ Py_Initialize();
+ if (PyType_Ready(&pymelem_type) < 0)
+ return -EIO;
+ if (PyType_Ready(&pymixer_type) < 0)
+ return -EIO;
+ Py_InitModule("smixer_python", python_methods);
+ priv->py_initialized = 1;
+ main_interpreter = PyThreadState_Get()->interp;
+ obj = PyImport_GetModuleDict();
+ py_mod = PyDict_GetItemString(obj, "__main__");
+ if (py_mod) {
+ mdict = priv->py_mdict = PyModule_GetDict(py_mod);
+ obj = PyString_FromString(file);
+ if (obj)
+ PyDict_SetItemString(mdict, "__file__", obj);
+ Py_XDECREF(obj);
+ obj = PyString_FromString(device);
+ if (obj)
+ PyDict_SetItemString(mdict, "device", obj);
+ Py_XDECREF(obj);
+ Py_INCREF(&pymixer_type);
+ PyModule_AddObject(py_mod, "InternalMElement", (PyObject *)&pymelem_type);
+ PyModule_AddObject(py_mod, "InternalMixer", (PyObject *)&pymixer_type);
+ obj = PyDict_GetItemString(mdict, "InternalMixer");
+ if (obj) {
+ obj1 = PyTuple_New(3);
+ PyTuple_SET_ITEM(obj1, 0, PyInt_FromLong((long)class));
+ PyTuple_SET_ITEM(obj1, 1, PyInt_FromLong((long)mixer));
+ if (PyTuple_SET_ITEM(obj1, 2, mdict))
+ Py_INCREF(mdict);
+ obj2 = PyObject_CallObject(obj, obj1);
+ Py_XDECREF(obj1);
+ PyDict_SetItemString(mdict, "mixer", obj2);
+ priv->py_mixer = obj2;
+ } else {
+ SNDERR("Unable to create InternalMixer object");
+ return -EIO;
+ }
+
+
+ obj = PyRun_FileEx(fp, file, Py_file_input, mdict, mdict, 1);
+ if (obj == NULL)
+ PyErr_Print();
+ Py_XDECREF(obj);
+ priv->py_event_func = PyDict_GetItemString(mdict, "event");
+ if (priv->py_event_func == NULL) {
+ SNDERR("Unable to find python function 'event'");
+ return -EIO;
+ }
+ }
+ return 0;
+}
diff --git a/modules/mixer/simple/sbase.c b/modules/mixer/simple/sbase.c
new file mode 100644
index 0000000..bb2f59d
--- /dev/null
+++ b/modules/mixer/simple/sbase.c
@@ -0,0 +1,588 @@
+/*
+ * Mixer Interface - simple abstact module - base library
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <math.h>
+#include "asoundlib.h"
+#include "mixer_abst.h"
+#include "sbase.h"
+
+/*
+ * Prototypes
+ */
+
+static int selem_read(snd_mixer_elem_t *elem);
+
+/*
+ * Helpers
+ */
+
+static unsigned int chanmap_to_channels(unsigned int chanmap)
+{
+ unsigned int i, res;
+
+ for (i = 0, res = 0; i < MAX_CHANNEL; i++)
+ if (chanmap & (1 << i))
+ res++;
+ return res;
+}
+
+#if 0
+static long to_user(struct selem_base *s, int dir, struct helem_base *c, long value)
+{
+ int64_t n;
+ if (c->max == c->min)
+ return s->dir[dir].min;
+ n = (int64_t) (value - c->min) * (s->dir[dir].max - s->dir[dir].min);
+ return s->dir[dir].min + (n + (c->max - c->min) / 2) / (c->max - c->min);
+}
+
+static long from_user(struct selem_base *s, int dir, struct helem_base *c, long value)
+{
+ int64_t n;
+ if (s->dir[dir].max == s->dir[dir].min)
+ return c->min;
+ n = (int64_t) (value - s->dir[dir].min) * (c->max - c->min);
+ return c->min + (n + (s->dir[dir].max - s->dir[dir].min) / 2) / (s->dir[dir].max - s->dir[dir].min);
+}
+#endif
+
+static void update_ranges(struct selem_base *s)
+{
+ static unsigned int mask[2] = { SM_CAP_PVOLUME, SM_CAP_CVOLUME };
+ static unsigned int gmask[2] = { SM_CAP_GVOLUME, SM_CAP_GVOLUME };
+ unsigned int dir, ok_flag;
+ struct list_head *pos;
+ struct helem_base *helem;
+
+ for (dir = 0; dir < 2; dir++) {
+ s->dir[dir].min = 0;
+ s->dir[dir].max = 0;
+ ok_flag = 0;
+ list_for_each(pos, &s->helems) {
+ helem = list_entry(pos, struct helem_base, list);
+ printf("min = %li, max = %li\n", helem->min, helem->max);
+ if (helem->caps & mask[dir]) {
+ s->dir[dir].min = helem->min;
+ s->dir[dir].max = helem->max;
+ ok_flag = 1;
+ break;
+ }
+ }
+ if (ok_flag)
+ continue;
+ list_for_each(pos, &s->helems) {
+ helem = list_entry(pos, struct helem_base, list);
+ if (helem->caps & gmask[dir]) {
+ s->dir[dir].min = helem->min;
+ s->dir[dir].max = helem->max;
+ break;
+ }
+ }
+ }
+}
+
+/*
+ * Simple Mixer Operations
+ */
+
+static int is_ops(snd_mixer_elem_t *elem, int dir, int cmd, int val)
+{
+ struct selem_base *s = snd_mixer_elem_get_private(elem);
+
+ switch (cmd) {
+
+ case SM_OPS_IS_ACTIVE: {
+ struct list_head *pos;
+ struct helem_base *helem;
+ list_for_each(pos, &s->helems) {
+ helem = list_entry(pos, struct helem_base, list);
+ if (helem->inactive)
+ return 0;
+ }
+ return 1;
+ }
+
+ case SM_OPS_IS_MONO:
+ return chanmap_to_channels(s->dir[dir].chanmap) == 1;
+
+ case SM_OPS_IS_CHANNEL:
+ if (val > MAX_CHANNEL)
+ return 0;
+ return !!((1 << val) & s->dir[dir].chanmap);
+
+ case SM_OPS_IS_ENUMERATED: {
+ struct helem_base *helem;
+ helem = list_entry(s->helems.next, struct helem_base, list);
+ return !!(helem->purpose == PURPOSE_ENUMLIST);
+ }
+
+ case SM_OPS_IS_ENUMCNT: {
+ struct helem_base *helem;
+ helem = list_entry(s->helems.next, struct helem_base, list);
+ return helem->max;
+ }
+
+ }
+
+ return 1;
+}
+
+static int get_range_ops(snd_mixer_elem_t *elem, int dir,
+ long *min, long *max)
+{
+ struct selem_base *s = snd_mixer_elem_get_private(elem);
+
+ *min = s->dir[dir].min;
+ *max = s->dir[dir].max;
+
+ return 0;
+}
+
+static int get_dB_range_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ int dir ATTRIBUTE_UNUSED,
+ long *min ATTRIBUTE_UNUSED,
+ long *max ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int set_range_ops(snd_mixer_elem_t *elem, int dir,
+ long min, long max)
+{
+ struct selem_base *s = snd_mixer_elem_get_private(elem);
+ int err;
+
+ s->dir[dir].forced_range = 1;
+ s->dir[dir].min = min;
+ s->dir[dir].max = max;
+
+ if ((err = selem_read(elem)) < 0)
+ return err;
+ return 0;
+}
+
+static int get_volume_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, long *value)
+{
+ struct selem_base *s = snd_mixer_elem_get_private(elem);
+
+ *value = s->dir[dir].vol[channel];
+ return 0;
+}
+
+static int get_dB_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ int dir ATTRIBUTE_UNUSED,
+ snd_mixer_selem_channel_id_t channel ATTRIBUTE_UNUSED,
+ long *value ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int get_switch_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ int dir ATTRIBUTE_UNUSED,
+ snd_mixer_selem_channel_id_t channel ATTRIBUTE_UNUSED,
+ int *value)
+{
+ /* struct selem_base *s = snd_mixer_elem_get_private(elem); */
+ *value = 0;
+ return 0;
+}
+
+static int set_volume_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ int dir ATTRIBUTE_UNUSED,
+ snd_mixer_selem_channel_id_t channel ATTRIBUTE_UNUSED,
+ long value ATTRIBUTE_UNUSED)
+{
+ /* struct selem_base *s = snd_mixer_elem_get_private(elem); */
+ return 0;
+}
+
+static int set_dB_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ int dir ATTRIBUTE_UNUSED,
+ snd_mixer_selem_channel_id_t channel ATTRIBUTE_UNUSED,
+ long value ATTRIBUTE_UNUSED,
+ int xdir ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int set_switch_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ int dir ATTRIBUTE_UNUSED,
+ snd_mixer_selem_channel_id_t channel ATTRIBUTE_UNUSED,
+ int value ATTRIBUTE_UNUSED)
+{
+ /* struct selem_base *s = snd_mixer_elem_get_private(elem); */
+ /* int changed; */
+ return 0;
+}
+
+static int enum_item_name_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ unsigned int item ATTRIBUTE_UNUSED,
+ size_t maxlen ATTRIBUTE_UNUSED,
+ char *buf ATTRIBUTE_UNUSED)
+{
+ /* struct selem_base *s = snd_mixer_elem_get_private(elem);*/
+ return 0;
+}
+
+static int get_enum_item_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ snd_mixer_selem_channel_id_t channel ATTRIBUTE_UNUSED,
+ unsigned int *itemp ATTRIBUTE_UNUSED)
+{
+ /* struct selem_base *s = snd_mixer_elem_get_private(elem); */
+ return 0;
+}
+
+static int set_enum_item_ops(snd_mixer_elem_t *elem ATTRIBUTE_UNUSED,
+ snd_mixer_selem_channel_id_t channel ATTRIBUTE_UNUSED,
+ unsigned int item ATTRIBUTE_UNUSED)
+{
+ /* struct selem_base *s = snd_mixer_elem_get_private(elem); */
+ return 0;
+}
+
+static struct sm_elem_ops simple_ac97_ops = {
+ .is = is_ops,
+ .get_range = get_range_ops,
+ .get_dB_range = get_dB_range_ops,
+ .set_range = set_range_ops,
+ .get_volume = get_volume_ops,
+ .get_dB = get_dB_ops,
+ .set_volume = set_volume_ops,
+ .set_dB = set_dB_ops,
+ .get_switch = get_switch_ops,
+ .set_switch = set_switch_ops,
+ .enum_item_name = enum_item_name_ops,
+ .get_enum_item = get_enum_item_ops,
+ .set_enum_item = set_enum_item_ops
+};
+
+/*
+ * event handling
+ */
+
+static int selem_read(snd_mixer_elem_t *elem)
+{
+ printf("elem read: %p\n", elem);
+ return 0;
+}
+
+static int simple_event_remove(snd_hctl_elem_t *helem,
+ snd_mixer_elem_t *melem ATTRIBUTE_UNUSED)
+{
+ printf("event remove: %p\n", helem);
+ return 0;
+}
+
+static void selem_free(snd_mixer_elem_t *elem)
+{
+ struct selem_base *simple = snd_mixer_elem_get_private(elem);
+ struct helem_base *hsimple;
+ struct list_head *pos, *npos;
+
+ if (simple->selem.id)
+ snd_mixer_selem_id_free(simple->selem.id);
+ list_for_each_safe(pos, npos, &simple->helems) {
+ hsimple = list_entry(pos, struct helem_base, list);
+ free(hsimple);
+ }
+ free(simple);
+}
+
+static int simple_event_add1(snd_mixer_class_t *class,
+ snd_hctl_elem_t *helem,
+ struct helem_selector *sel)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ snd_mixer_elem_t *melem;
+ snd_mixer_selem_id_t *id;
+ snd_ctl_elem_info_t *info;
+ struct selem_base *simple;
+ struct helem_base *hsimple;
+ snd_ctl_elem_type_t ctype;
+ unsigned long values;
+ long min, max;
+ int err, new = 0;
+ struct list_head *pos;
+ struct bclass_sid *bsid;
+ struct melem_sids *sid;
+ unsigned int ui;
+
+ list_for_each(pos, &priv->sids) {
+ bsid = list_entry(pos, struct bclass_sid, list);
+ for (ui = 0; ui < bsid->count; ui++) {
+ if (bsid->sids[ui].sid == sel->sid) {
+ sid = &bsid->sids[ui];
+ goto __sid_ok;
+ }
+ }
+ }
+ return 0;
+
+ __sid_ok:
+ snd_ctl_elem_info_alloca(&info);
+ err = snd_hctl_elem_info(helem, info);
+ if (err < 0)
+ return err;
+ ctype = snd_ctl_elem_info_get_type(info);
+ values = snd_ctl_elem_info_get_count(info);
+ switch (ctype) {
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ min = 0;
+ max = snd_ctl_elem_info_get_items(info);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ min = snd_ctl_elem_info_get_min(info);
+ max = snd_ctl_elem_info_get_max(info);
+ break;
+ default:
+ min = max = 0;
+ break;
+ }
+
+ printf("event add: %p, %p (%s)\n", helem, sel, snd_hctl_elem_get_name(helem));
+ if (snd_mixer_selem_id_malloc(&id))
+ return -ENOMEM;
+ hsimple = calloc(1, sizeof(*hsimple));
+ if (hsimple == NULL) {
+ snd_mixer_selem_id_free(id);
+ return -ENOMEM;
+ }
+ switch (sel->purpose) {
+ case PURPOSE_SWITCH:
+ if (ctype != SND_CTL_ELEM_TYPE_BOOLEAN) {
+ __invalid_type:
+ snd_mixer_selem_id_free(id);
+ free(hsimple);
+ return -EINVAL;
+ }
+ break;
+ case PURPOSE_VOLUME:
+ if (ctype != SND_CTL_ELEM_TYPE_INTEGER)
+ goto __invalid_type;
+ break;
+ }
+ hsimple->purpose = sel->purpose;
+ hsimple->caps = sel->caps;
+ hsimple->min = min;
+ hsimple->max = max;
+ snd_mixer_selem_id_set_name(id, sid->sname);
+ snd_mixer_selem_id_set_index(id, sid->sindex);
+ melem = snd_mixer_find_selem(snd_mixer_class_get_mixer(class), id);
+ if (!melem) {
+ simple = calloc(1, sizeof(*simple));
+ if (!simple) {
+ snd_mixer_selem_id_free(id);
+ free(hsimple);
+ return -ENOMEM;
+ }
+ simple->selem.id = id;
+ simple->selem.ops = &simple_ac97_ops;
+ INIT_LIST_HEAD(&simple->helems);
+ simple->sid = sel->sid;
+ err = snd_mixer_elem_new(&melem, SND_MIXER_ELEM_SIMPLE,
+ sid->weight,
+ simple, selem_free);
+ if (err < 0) {
+ snd_mixer_selem_id_free(id);
+ free(hsimple);
+ free(simple);
+ return err;
+ }
+ new = 1;
+ } else {
+ simple = snd_mixer_elem_get_private(melem);
+ snd_mixer_selem_id_free(id);
+ }
+ list_add_tail(&hsimple->list, &simple->helems);
+ hsimple->inactive = snd_ctl_elem_info_is_inactive(info);
+ err = snd_mixer_elem_attach(melem, helem);
+ if (err < 0)
+ goto __error;
+ simple->dir[0].chanmap |= sid->chanmap[0];
+ simple->dir[1].chanmap |= sid->chanmap[1];
+ simple->selem.caps |= hsimple->caps;
+ update_ranges(simple);
+#if 0
+ err = simple_update(melem);
+ if (err < 0) {
+ if (new)
+ goto __error;
+ return err;
+ }
+#endif
+ if (new)
+ err = snd_mixer_elem_add(melem, class);
+ else
+ err = snd_mixer_elem_info(melem);
+ if (err < 0)
+ return err;
+ err = selem_read(melem);
+ if (err < 0)
+ return err;
+ if (err)
+ err = snd_mixer_elem_value(melem);
+ return err;
+ __error:
+ if (new)
+ snd_mixer_elem_free(melem);
+ return -EINVAL;
+}
+
+static int simple_event_add(snd_mixer_class_t *class, snd_hctl_elem_t *helem)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ struct bclass_selector *sel;
+ struct helem_selector *hsel;
+ struct list_head *pos;
+ snd_ctl_elem_iface_t iface = snd_hctl_elem_get_interface(helem);
+ const char *name = snd_hctl_elem_get_name(helem);
+ unsigned int index = snd_hctl_elem_get_index(helem);
+ unsigned int ui;
+ int err;
+
+ list_for_each(pos, &priv->selectors) {
+ sel = list_entry(pos, struct bclass_selector, list);
+ for (ui = 0; ui < sel->count; ui++) {
+ hsel = &sel->selectors[ui];
+ if (hsel->iface == iface && !strcmp(hsel->name, name) && hsel->index == index) {
+ err = simple_event_add1(class, helem, hsel);
+ if (err < 0)
+ return err; /* early exit? */
+ }
+ }
+ }
+ return 0;
+}
+
+int alsa_mixer_sbasic_event(snd_mixer_class_t *class, unsigned int mask,
+ snd_hctl_elem_t *helem, snd_mixer_elem_t *melem)
+{
+ int err;
+ if (mask == SND_CTL_EVENT_MASK_REMOVE)
+ return simple_event_remove(helem, melem);
+ if (mask & SND_CTL_EVENT_MASK_ADD) {
+ err = simple_event_add(class, helem);
+ if (err < 0)
+ return err;
+ }
+ if (mask & SND_CTL_EVENT_MASK_INFO) {
+ err = simple_event_remove(helem, melem);
+ if (err < 0)
+ return err;
+ err = simple_event_add(class, helem);
+ if (err < 0)
+ return err;
+ return 0;
+ }
+ if (mask & SND_CTL_EVENT_MASK_VALUE) {
+ err = selem_read(melem);
+ if (err < 0)
+ return err;
+ if (err) {
+ err = snd_mixer_elem_value(melem);
+ if (err < 0)
+ return err;
+ }
+ }
+ return 0;
+}
+
+static void sbasic_cpriv_free(snd_mixer_class_t *class)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ struct bclass_selector *sel;
+ struct bclass_sid *sid;
+ struct list_head *pos, *pos1;
+
+ list_for_each_safe(pos, pos1, &priv->selectors) {
+ sel = list_entry(pos, struct bclass_selector, list);
+ free(sel);
+ }
+ list_for_each_safe(pos, pos1, &priv->sids) {
+ sid = list_entry(pos, struct bclass_sid, list);
+ free(sid);
+ }
+ free(priv);
+}
+
+void alsa_mixer_sbasic_initpriv(snd_mixer_class_t *class,
+ struct bclass_private *priv)
+{
+ INIT_LIST_HEAD(&priv->selectors);
+ INIT_LIST_HEAD(&priv->sids);
+ snd_mixer_sbasic_set_private(class, priv);
+ snd_mixer_sbasic_set_private_free(class, sbasic_cpriv_free);
+}
+
+int alsa_mixer_sbasic_selreg(snd_mixer_class_t *class,
+ struct helem_selector *selectors,
+ unsigned int count)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ struct bclass_selector *sel = calloc(1, sizeof(*sel));
+
+ if (sel == NULL)
+ return -ENOMEM;
+ if (priv == NULL) {
+ priv = calloc(1, sizeof(*priv));
+ if (priv == NULL) {
+ free(sel);
+ return -ENOMEM;
+ }
+ }
+ sel->selectors = selectors;
+ sel->count = count;
+ list_add_tail(&sel->list, &priv->selectors);
+ return 0;
+}
+
+int alsa_mixer_sbasic_sidreg(snd_mixer_class_t *class,
+ struct melem_sids *sids,
+ unsigned int count)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ struct bclass_sid *sid = calloc(1, sizeof(*sid));
+
+ if (sid == NULL)
+ return -ENOMEM;
+ if (priv == NULL) {
+ priv = calloc(1, sizeof(*priv));
+ if (priv == NULL) {
+ free(sid);
+ return -ENOMEM;
+ }
+ INIT_LIST_HEAD(&priv->selectors);
+ INIT_LIST_HEAD(&priv->sids);
+ snd_mixer_sbasic_set_private(class, priv);
+ snd_mixer_sbasic_set_private_free(class, sbasic_cpriv_free);
+ }
+ sid->sids = sids;
+ sid->count = count;
+ list_add(&sid->list, &priv->sids);
+ return 0;
+}
diff --git a/modules/mixer/simple/sbase.h b/modules/mixer/simple/sbase.h
new file mode 100644
index 0000000..ee5fe03
--- /dev/null
+++ b/modules/mixer/simple/sbase.h
@@ -0,0 +1,111 @@
+/*
+ * Mixer Interface - simple abstact module - base library
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __SMIXER_BASE_H
+
+#include "list.h"
+
+#define MAX_CHANNEL 6
+
+#define SID_MASTER 0
+#define SID_HEADPHONE 1
+#define SID_FRONT 2
+#define SID_PCM 3
+#define SID_CD 4
+
+struct melem_sids {
+ unsigned short sid;
+ const char *sname;
+ unsigned short sindex;
+ unsigned short weight;
+ unsigned int chanmap[2];
+ struct sm_elem_ops *sops;
+};
+
+#define PURPOSE_VOLUME 0
+#define PURPOSE_SWITCH 1
+#define PURPOSE_ENUMLIST 2
+
+struct helem_selector {
+ snd_ctl_elem_iface_t iface;
+ const char *name;
+ unsigned short index;
+ unsigned short sid;
+ unsigned short purpose;
+ unsigned short caps;
+};
+
+struct helem_base {
+ struct list_head list;
+ snd_hctl_elem_t *helem;
+ unsigned short purpose;
+ unsigned int caps;
+ unsigned int inactive: 1;
+ long min, max;
+ unsigned int count;
+};
+
+struct selem_base {
+ sm_selem_t selem;
+ struct list_head helems;
+ unsigned short sid;
+ struct {
+ unsigned int chanmap;
+ unsigned int forced_range: 1;
+ long min, max;
+ long vol[MAX_CHANNEL];
+ } dir[2];
+};
+
+struct bclass_selector {
+ struct list_head list;
+ struct helem_selector *selectors;
+ unsigned int count;
+};
+
+struct bclass_sid {
+ struct list_head list;
+ struct melem_sids *sids;
+ unsigned int count;
+};
+
+typedef struct bclass_base_ops {
+ int (*event)(snd_mixer_class_t *class, unsigned int mask,
+ snd_hctl_elem_t *helem, snd_mixer_elem_t *melem);
+ int (*selreg)(snd_mixer_class_t *class,
+ struct helem_selector *selectors,
+ unsigned int count);
+ int (*sidreg)(snd_mixer_class_t *class,
+ struct melem_sids *sids,
+ unsigned int count);
+} bclass_base_ops_t;
+
+struct bclass_private {
+ struct list_head selectors;
+ struct list_head sids;
+ void *dl_sbase;
+ bclass_base_ops_t ops;
+};
+
+int mixer_simple_basic_dlopen(snd_mixer_class_t *class,
+ bclass_base_ops_t **ops);
+
+#endif /* __SMIXER_BASE_H */
diff --git a/modules/mixer/simple/sbasedl.c b/modules/mixer/simple/sbasedl.c
new file mode 100644
index 0000000..494802f
--- /dev/null
+++ b/modules/mixer/simple/sbasedl.c
@@ -0,0 +1,106 @@
+/*
+ * Mixer Interface - simple abstact module - base library (dlopen function)
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <math.h>
+#include <dlfcn.h>
+#include "config.h"
+#include "asoundlib.h"
+#include "mixer_abst.h"
+#include "sbase.h"
+
+#define SO_PATH ALSA_PLUGIN_DIR "/smixer"
+
+int mixer_simple_basic_dlopen(snd_mixer_class_t *class,
+ bclass_base_ops_t **ops)
+{
+ struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
+ const char *lib = "smixer-sbase.so";
+ void (*initpriv)(snd_mixer_class_t *class, struct bclass_private *priv);
+ char *xlib, *path;
+ void *h;
+ int initflag = 0;
+
+ if (priv == NULL) {
+ priv = calloc(1, sizeof(*priv));
+ if (priv == NULL)
+ return -ENOMEM;
+ initflag = 1;
+ }
+ path = getenv("ALSA_MIXER_SIMPLE_MODULES");
+ if (!path)
+ path = SO_PATH;
+ xlib = malloc(strlen(lib) + strlen(path) + 1 + 1);
+ if (xlib == NULL) {
+ if (initflag)
+ free(priv);
+ return -ENOMEM;
+ }
+ strcpy(xlib, path);
+ strcat(xlib, "/");
+ strcat(xlib, lib);
+ h = snd_dlopen(xlib, RTLD_NOW);
+ if (h == NULL) {
+ SNDERR("Unable to open library '%s'", xlib);
+ goto __error;
+ }
+ initpriv = dlsym(h, "alsa_mixer_sbasic_initpriv");
+ if (initpriv == NULL) {
+ SNDERR("Symbol 'alsa_mixer_sbasic_initpriv' was not found in '%s'", xlib);
+ goto __error;
+ }
+ priv->ops.event = dlsym(h, "alsa_mixer_sbasic_event");
+ if (priv->ops.event == NULL) {
+ SNDERR("Symbol 'alsa_mixer_sbasic_event' was not found in '%s'", xlib);
+ goto __error;
+ }
+ priv->ops.selreg = dlsym(h, "alsa_mixer_sbasic_selreg");
+ if (priv->ops.selreg == NULL) {
+ SNDERR("Symbol 'alsa_mixer_sbasic_selreg' was not found in '%s'", xlib);
+ goto __error;
+ }
+ priv->ops.sidreg = dlsym(h, "alsa_mixer_sbasic_sidreg");
+ if (priv->ops.sidreg == NULL) {
+ SNDERR("Symbol 'alsa_mixer_sbasic_sidreg' was not found in '%s'", xlib);
+ goto __error;
+ }
+ free(xlib);
+ if (initflag)
+ initpriv(class, priv);
+ priv->dl_sbase = h;
+ if (ops)
+ *ops = &priv->ops;
+ return 1;
+
+ __error:
+ if (initflag)
+ free(priv);
+ if (h)
+ snd_dlclose(h);
+ free(xlib);
+ return -ENXIO;
+}
diff --git a/src/Android.mk b/src/Android.mk
new file mode 100644
index 0000000..b201cb2
--- /dev/null
+++ b/src/Android.mk
@@ -0,0 +1,101 @@
+LOCAL_PATH := $(call my-dir)
+
+ALSA_PATH := $(LOCAL_PATH)
+
+ALSA_STATIC_LIBS := \
+ control \
+ hwdep \
+ mixer \
+ pcm \
+ rawmidi \
+ seq \
+ timer
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ async.c \
+ confmisc.c \
+ conf.c \
+ dlmisc.c \
+ error.c \
+ input.c \
+ names.c \
+ output.c \
+ shmarea.c \
+ socket.c \
+ ucm/main.c \
+ ucm/parser.c \
+ ucm/utils.c \
+ userfile.c
+ALSA_LIB_CFLAGS := -DHAVE_CONFIG_H -D_GNU_SOURCE -DPIC
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../include
+LOCAL_LDFLAGS := -Wl,--version-script=$(LOCAL_PATH)/Versions
+LOCAL_MODULE := libasound
+LOCAL_MODULE_TAGS := optional
+LOCAL_WHOLE_STATIC_LIBRARIES := $(addprefix lib, $(ALSA_STATIC_LIBS))
+ALSA_INSTALL_HEADERS := \
+ asoundef.h \
+ asoundlib.h \
+ conf.h \
+ control_external.h \
+ control.h \
+ error.h \
+ global.h \
+ hwdep.h \
+ iatomic.h \
+ input.h \
+ mixer_abst.h \
+ mixer.h \
+ output.h \
+ pcm_external.h \
+ pcm_extplug.h \
+ pcm.h \
+ pcm_ioplug.h \
+ pcm_old.h \
+ pcm_plugin.h \
+ pcm_rate.h \
+ rawmidi.h \
+ seq_event.h \
+ seq.h \
+ seqmid.h \
+ seq_midi_event.h \
+ sound/asound_fm.h \
+ sound/emu10k1.h \
+ sound/hdsp.h \
+ sound/hdspm.h \
+ sound/sb16_csp.h \
+ sound/sscape_ioctl.h \
+ sound/type_compat.h \
+ timer.h \
+ use-case.h \
+ version.h
+LOCAL_TOOLCHAIN_PREBUILTS := $(join \
+ $(addprefix $(LOCAL_PATH)/../include/,$(ALSA_INSTALL_HEADERS)),\
+ $(addprefix :usr/include/alsa/,$(ALSA_INSTALL_HEADERS))\
+ )
+include $(BUILD_SHARED_LIBRARY)
+
+# sub makefiles for static modules
+sub_makefiles := $(addprefix $(LOCAL_PATH)/,$(addsuffix /Android.mk, \
+ $(ALSA_STATIC_LIBS) \
+))
+
+include $(sub_makefiles)
+
+include $(CLEAR_VARS)
+SOURCE_ALSA_CONF_PATH := $(ALSA_PATH)/conf
+LOCAL_MODULE :=alsa-conf
+LOCAL_MODULE_TAGS := optional
+LOCAL_REQUIRED_MODULES := acp
+TARGET_ALSA_CONF_PATH := $(TARGET_OUT)/usr/share/alsa
+include $(BUILD_PHONY_PACKAGE)
+
+.PHONY: copy_alsa_conf
+copy_alsa_conf:
+ mkdir -p $(TARGET_ALSA_CONF_PATH)
+ rsync -a $(SOURCE_ALSA_CONF_PATH)/alsa.conf $(TARGET_ALSA_CONF_PATH)
+ rsync -a $(SOURCE_ALSA_CONF_PATH)/cards $(TARGET_ALSA_CONF_PATH)
+ rsync -a $(SOURCE_ALSA_CONF_PATH)/pcm $(TARGET_ALSA_CONF_PATH)
+
+$(LOCAL_BUILT_MODULE): copy_alsa_conf
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..fa255ff
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,90 @@
+EXTRA_DIST=Versions
+COMPATNUM=@LIBTOOL_VERSION_INFO@
+
+if VERSIONED_SYMBOLS
+VSYMS = -Wl,--version-script=Versions
+else
+VSYMS =
+endif
+
+if SYMBOLIC_FUNCTIONS
+SYMFUNCS = -Wl,-Bsymbolic-functions
+else
+SYMFUNCS =
+endif
+
+lib_LTLIBRARIES = libasound.la
+libasound_la_SOURCES = conf.c confmisc.c input.c output.c async.c error.c dlmisc.c socket.c shmarea.c userfile.c names.c
+
+SUBDIRS=control
+libasound_la_LIBADD = control/libcontrol.la
+if BUILD_MIXER
+SUBDIRS += mixer
+libasound_la_LIBADD += mixer/libmixer.la
+endif
+if BUILD_PCM
+SUBDIRS += pcm timer
+libasound_la_LIBADD += pcm/libpcm.la timer/libtimer.la
+endif
+if BUILD_RAWMIDI
+SUBDIRS += rawmidi
+libasound_la_LIBADD += rawmidi/librawmidi.la
+endif
+if BUILD_HWDEP
+SUBDIRS += hwdep
+libasound_la_LIBADD += hwdep/libhwdep.la
+endif
+if BUILD_SEQ
+SUBDIRS += seq
+libasound_la_LIBADD += seq/libseq.la
+endif
+if BUILD_UCM
+SUBDIRS += ucm
+libasound_la_LIBADD += ucm/libucm.la
+endif
+if BUILD_ALISP
+SUBDIRS += alisp
+libasound_la_LIBADD += alisp/libalisp.la
+endif
+SUBDIRS += conf
+libasound_la_LIBADD += @ALSA_DEPLIBS@
+
+libasound_la_LDFLAGS = -version-info $(COMPATNUM) $(VSYMS) $(SYMFUNCS) $(LDFLAGS_NOUNDEFINED)
+
+control/libcontrol.la:
+ $(MAKE) -C control libcontrol.la
+
+mixer/libmixer.la:
+ $(MAKE) -C mixer libmixer.la
+
+ordinary_mixer/libordinarymixer.la:
+ $(MAKE) -C ordinary_mixer libordinarymixer.la
+
+pcm/libpcm.la:
+ $(MAKE) -C pcm libpcm.la
+
+ordinary_pcm/libordinarypcm.la:
+ $(MAKE) -C ordinary_pcm libordinarypcm.la
+
+rawmidi/librawmidi.la:
+ $(MAKE) -C rawmidi librawmidi.la
+
+timer/libtimer.la:
+ $(MAKE) -C timer libtimer.la
+
+hwdep/libhwdep.la:
+ $(MAKE) -C hwdep libhwdep.la
+
+seq/libseq.la:
+ $(MAKE) -C seq libseq.la
+
+ucm/libucm.la:
+ $(MAKE) -C ucm libucm.la
+
+instr/libinstr.la:
+ $(MAKE) -C instr libinstr.la
+
+alisp/libalisp.la:
+ $(MAKE) -C alisp libalisp.la
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/Makefile.in b/src/Makefile.in
new file mode 100644
index 0000000..b0900c8
--- /dev/null
+++ b/src/Makefile.in
@@ -0,0 +1,818 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@BUILD_MIXER_TRUE@am__append_1 = mixer
+@BUILD_MIXER_TRUE@am__append_2 = mixer/libmixer.la
+@BUILD_PCM_TRUE@am__append_3 = pcm timer
+@BUILD_PCM_TRUE@am__append_4 = pcm/libpcm.la timer/libtimer.la
+@BUILD_RAWMIDI_TRUE@am__append_5 = rawmidi
+@BUILD_RAWMIDI_TRUE@am__append_6 = rawmidi/librawmidi.la
+@BUILD_HWDEP_TRUE@am__append_7 = hwdep
+@BUILD_HWDEP_TRUE@am__append_8 = hwdep/libhwdep.la
+@BUILD_SEQ_TRUE@am__append_9 = seq
+@BUILD_SEQ_TRUE@am__append_10 = seq/libseq.la
+@BUILD_UCM_TRUE@am__append_11 = ucm
+@BUILD_UCM_TRUE@am__append_12 = ucm/libucm.la
+@BUILD_ALISP_TRUE@am__append_13 = alisp
+@BUILD_ALISP_TRUE@am__append_14 = alisp/libalisp.la
+subdir = src
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
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+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES = Versions
+CONFIG_CLEAN_VPATH_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
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+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
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+am__nobase_strip = \
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+am__nobase_list = $(am__nobase_strip_setup); \
+ for p in $$list; do echo "$$p $$p"; done | \
+ sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+ $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+ if (++n[$$2] == $(am__install_max)) \
+ { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
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+am__base_list = \
+ sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
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+am__uninstall_files_from_dir = { \
+ test -z "$$files" \
+ || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
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+ $(am__cd) "$$dir" && rm -f $$files; }; \
+ }
+am__installdirs = "$(DESTDIR)$(libdir)"
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+ $(am__append_4) $(am__append_6) $(am__append_8) \
+ $(am__append_10) $(am__append_12) $(am__append_14)
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+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
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+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
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+am__v_GEN_0 = @echo " GEN " $@;
+am__v_GEN_1 =
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+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
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+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo " CC " $@;
+am__v_CC_1 =
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo " CCLD " $@;
+am__v_CCLD_1 =
+SOURCES = $(libasound_la_SOURCES)
+DIST_SOURCES = $(libasound_la_SOURCES)
+RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
+ html-recursive info-recursive install-data-recursive \
+ install-dvi-recursive install-exec-recursive \
+ install-html-recursive install-info-recursive \
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+ ps-recursive uninstall-recursive
+am__can_run_installinfo = \
+ case $$AM_UPDATE_INFO_DIR in \
+ n|no|NO) false;; \
+ *) (install-info --version) >/dev/null 2>&1;; \
+ esac
+RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \
+ distclean-recursive maintainer-clean-recursive
+AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
+ $(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \
+ distdir
+ETAGS = etags
+CTAGS = ctags
+DIST_SUBDIRS = control mixer pcm timer rawmidi hwdep seq ucm alisp \
+ conf
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+am__relativize = \
+ dir0=`pwd`; \
+ sed_first='s,^\([^/]*\)/.*$$,\1,'; \
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+ sed_butlast='s,/*[^/]*$$,,'; \
+ while test -n "$$dir1"; do \
+ first=`echo "$$dir1" | sed -e "$$sed_first"`; \
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+ }
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+ done
+
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+ sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
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+ rm -f $${locs}; \
+ }
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+ $(AM_V_CCLD)$(libasound_la_LINK) -rpath $(libdir) $(libasound_la_OBJECTS) $(libasound_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
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+
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+# This directory's subdirectories are mostly independent; you can cd
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+
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+
+ordinary_mixer/libordinarymixer.la:
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+
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+
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+
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+
+hwdep/libhwdep.la:
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+
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diff --git a/src/NOTICE b/src/NOTICE
new file mode 120000
index 0000000..012065c
--- /dev/null
+++ b/src/NOTICE
@@ -0,0 +1 @@
+../COPYING
\ No newline at end of file
diff --git a/src/Versions b/src/Versions
new file mode 100644
index 0000000..013e283
--- /dev/null
+++ b/src/Versions
@@ -0,0 +1,131 @@
+ALSA_0.9 {
+ global:
+ snd_*;
+
+ _snd_*_open;
+ _snd_*_dlsym_*;
+ _snd_*_poll_descriptor;
+ _snd_pcm_hook_*;
+
+ __snd_pcm_hw_params_*;
+ __snd_pcm_sw_params_*;
+ __snd_*_dlsym_*;
+
+ local:
+ *;
+};
+
+ALSA_0.9.0rc4 {
+ global:
+
+ snd_pcm_hw_params_get_access;
+ snd_pcm_hw_params_set_access_first;
+ snd_pcm_hw_params_set_access_last;
+
+ snd_pcm_hw_params_get_format;
+ snd_pcm_hw_params_set_format_first;
+ snd_pcm_hw_params_set_format_last;
+
+ snd_pcm_hw_params_get_subformat;
+ snd_pcm_hw_params_set_subformat_first;
+ snd_pcm_hw_params_set_subformat_last;
+
+ snd_pcm_hw_params_get_channels;
+ snd_pcm_hw_params_get_channels_min;
+ snd_pcm_hw_params_get_channels_max;
+ snd_pcm_hw_params_set_channels_near;
+ snd_pcm_hw_params_set_channels_first;
+ snd_pcm_hw_params_set_channels_last;
+
+ snd_pcm_hw_params_get_rate;
+ snd_pcm_hw_params_get_rate_min;
+ snd_pcm_hw_params_get_rate_max;
+ snd_pcm_hw_params_set_rate_near;
+ snd_pcm_hw_params_set_rate_first;
+ snd_pcm_hw_params_set_rate_last;
+
+ snd_pcm_hw_params_get_period_time;
+ snd_pcm_hw_params_get_period_time_min;
+ snd_pcm_hw_params_get_period_time_max;
+ snd_pcm_hw_params_set_period_time_near;
+ snd_pcm_hw_params_set_period_time_first;
+ snd_pcm_hw_params_set_period_time_last;
+
+ snd_pcm_hw_params_get_period_size;
+ snd_pcm_hw_params_get_period_size_min;
+ snd_pcm_hw_params_get_period_size_max;
+ snd_pcm_hw_params_set_period_size_near;
+ snd_pcm_hw_params_set_period_size_first;
+ snd_pcm_hw_params_set_period_size_last;
+
+ snd_pcm_hw_params_get_periods;
+ snd_pcm_hw_params_get_periods_min;
+ snd_pcm_hw_params_get_periods_max;
+ snd_pcm_hw_params_set_periods_near;
+ snd_pcm_hw_params_set_periods_first;
+ snd_pcm_hw_params_set_periods_last;
+
+ snd_pcm_hw_params_get_buffer_time;
+ snd_pcm_hw_params_get_buffer_time_min;
+ snd_pcm_hw_params_get_buffer_time_max;
+ snd_pcm_hw_params_set_buffer_time_near;
+ snd_pcm_hw_params_set_buffer_time_first;
+ snd_pcm_hw_params_set_buffer_time_last;
+
+ snd_pcm_hw_params_get_buffer_size;
+ snd_pcm_hw_params_get_buffer_size_min;
+ snd_pcm_hw_params_get_buffer_size_max;
+ snd_pcm_hw_params_set_buffer_size_near;
+ snd_pcm_hw_params_set_buffer_size_first;
+ snd_pcm_hw_params_set_buffer_size_last;
+
+ snd_pcm_hw_params_get_tick_time;
+ snd_pcm_hw_params_get_tick_time_min;
+ snd_pcm_hw_params_get_tick_time_max;
+ snd_pcm_hw_params_set_tick_time_near;
+ snd_pcm_hw_params_set_tick_time_first;
+ snd_pcm_hw_params_set_tick_time_last;
+
+} ALSA_0.9;
+
+ALSA_0.9.0rc8 {
+ global:
+
+ snd_pcm_forward;
+ snd_pcm_status_get_trigger_htstamp;
+ snd_pcm_status_get_htstamp;
+
+} ALSA_0.9.0rc4;
+
+ALSA_0.9.0 {
+ global:
+
+ snd_pcm_type_name;
+ snd_timer_query_info;
+ snd_timer_query_params;
+ snd_timer_query_status;
+ snd_timer_params_set_exclusive;
+ snd_timer_params_get_exclusive;
+ snd_timer_params_set_filter;
+ snd_timer_params_get_filter;
+} ALSA_0.9.0rc8;
+
+ALSA_0.9.3 {
+ global:
+
+ snd_ctl_elem_info_get_dimensions;
+ snd_ctl_elem_info_get_dimension;
+} ALSA_0.9.0;
+
+ALSA_0.9.5 {
+ global:
+
+ alsa_lisp;
+} ALSA_0.9.3;
+
+ALSA_0.9.7 {
+ global:
+
+ alsa_lisp_*;
+} ALSA_0.9.5;
+
diff --git a/src/Versions.in b/src/Versions.in
new file mode 100644
index 0000000..8d2dd11
--- /dev/null
+++ b/src/Versions.in
@@ -0,0 +1,131 @@
+ALSA_0.9 {
+ global:
+ @SYMBOL_PREFIX@snd_*;
+
+ @SYMBOL_PREFIX@_snd_*_open;
+ @SYMBOL_PREFIX@_snd_*_dlsym_*;
+ @SYMBOL_PREFIX@_snd_*_poll_descriptor;
+ @SYMBOL_PREFIX@_snd_pcm_hook_*;
+
+ @SYMBOL_PREFIX@__snd_pcm_hw_params_*;
+ @SYMBOL_PREFIX@__snd_pcm_sw_params_*;
+ @SYMBOL_PREFIX@__snd_*_dlsym_*;
+
+ local:
+ *;
+};
+
+ALSA_0.9.0rc4 {
+ global:
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_access;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_access_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_access_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_format;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_format_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_format_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_subformat;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_subformat_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_subformat_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_channels;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_channels_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_channels_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_channels_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_channels_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_channels_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_rate;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_rate_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_rate_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_rate_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_rate_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_rate_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_period_time;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_period_time_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_period_time_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_period_time_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_period_time_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_period_time_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_period_size;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_period_size_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_period_size_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_period_size_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_period_size_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_period_size_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_periods;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_periods_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_periods_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_periods_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_periods_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_periods_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_buffer_time;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_buffer_time_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_buffer_time_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_buffer_time_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_buffer_time_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_buffer_time_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_buffer_size;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_buffer_size_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_buffer_size_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_buffer_size_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_buffer_size_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_buffer_size_last;
+
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_tick_time;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_tick_time_min;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_get_tick_time_max;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_tick_time_near;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_tick_time_first;
+ @SYMBOL_PREFIX@snd_pcm_hw_params_set_tick_time_last;
+
+} ALSA_0.9;
+
+ALSA_0.9.0rc8 {
+ global:
+
+ @SYMBOL_PREFIX@snd_pcm_forward;
+ @SYMBOL_PREFIX@snd_pcm_status_get_trigger_htstamp;
+ @SYMBOL_PREFIX@snd_pcm_status_get_htstamp;
+
+} ALSA_0.9.0rc4;
+
+ALSA_0.9.0 {
+ global:
+
+ @SYMBOL_PREFIX@snd_pcm_type_name;
+ @SYMBOL_PREFIX@snd_timer_query_info;
+ @SYMBOL_PREFIX@snd_timer_query_params;
+ @SYMBOL_PREFIX@snd_timer_query_status;
+ @SYMBOL_PREFIX@snd_timer_params_set_exclusive;
+ @SYMBOL_PREFIX@snd_timer_params_get_exclusive;
+ @SYMBOL_PREFIX@snd_timer_params_set_filter;
+ @SYMBOL_PREFIX@snd_timer_params_get_filter;
+} ALSA_0.9.0rc8;
+
+ALSA_0.9.3 {
+ global:
+
+ @SYMBOL_PREFIX@snd_ctl_elem_info_get_dimensions;
+ @SYMBOL_PREFIX@snd_ctl_elem_info_get_dimension;
+} ALSA_0.9.0;
+
+ALSA_0.9.5 {
+ global:
+
+ @SYMBOL_PREFIX@alsa_lisp;
+} ALSA_0.9.3;
+
+ALSA_0.9.7 {
+ global:
+
+ @SYMBOL_PREFIX@alsa_lisp_*;
+} ALSA_0.9.5;
+
diff --git a/src/alisp/Makefile.am b/src/alisp/Makefile.am
new file mode 100644
index 0000000..1234e11
--- /dev/null
+++ b/src/alisp/Makefile.am
@@ -0,0 +1,11 @@
+EXTRA_LTLIBRARIES = libalisp.la
+
+EXTRA_DIST = alisp_snd.c
+
+libalisp_la_SOURCES = alisp.c
+
+noinst_HEADERS = alisp_local.h
+
+all: libalisp.la
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/alisp/Makefile.in b/src/alisp/Makefile.in
new file mode 100644
index 0000000..f707c52
--- /dev/null
+++ b/src/alisp/Makefile.in
@@ -0,0 +1,542 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
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+NORMAL_INSTALL = :
+PRE_INSTALL = :
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+PRE_UNINSTALL = :
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+
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(HEADERS)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
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+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
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+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
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+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool cscopelist ctags distclean distclean-compile \
+ distclean-generic distclean-libtool distclean-tags distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
+ install-exec install-exec-am install-html install-html-am \
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+ install-pdf-am install-ps install-ps-am install-strip \
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+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am
+
+
+all: libalisp.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/alisp/alisp.c b/src/alisp/alisp.c
new file mode 100644
index 0000000..3c61bb1
--- /dev/null
+++ b/src/alisp/alisp.c
@@ -0,0 +1,3494 @@
+/*
+ * ALSA lisp implementation
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * Based on work of Sandro Sigala (slisp-1.2)
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <assert.h>
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+#include <err.h>
+
+#define alisp_seq_iterator alisp_object
+
+#include "local.h"
+#include "alisp.h"
+#include "alisp_local.h"
+
+struct alisp_object alsa_lisp_nil;
+struct alisp_object alsa_lisp_t;
+
+/* parser prototypes */
+static struct alisp_object * parse_object(struct alisp_instance *instance, int havetoken);
+static void princ_cons(snd_output_t *out, struct alisp_object * p);
+static void princ_object(snd_output_t *out, struct alisp_object * p);
+static struct alisp_object * eval(struct alisp_instance *instance, struct alisp_object * p);
+
+/* functions */
+static struct alisp_object *F_eval(struct alisp_instance *instance, struct alisp_object *);
+static struct alisp_object *F_progn(struct alisp_instance *instance, struct alisp_object *);
+static struct alisp_object *F_funcall(struct alisp_instance *instance, struct alisp_object *);
+
+/* others */
+static int alisp_include_file(struct alisp_instance *instance, const char *filename);
+
+/*
+ * object handling
+ */
+
+static int get_string_hash(const char *s)
+{
+ int val = 0;
+ if (s == NULL)
+ return val;
+ while (*s)
+ val += *s++;
+ return val & ALISP_OBJ_PAIR_HASH_MASK;
+}
+
+static void nomem(void)
+{
+ SNDERR("alisp: no enough memory");
+}
+
+static void lisp_verbose(struct alisp_instance *instance, const char *fmt, ...)
+{
+ va_list ap;
+
+ if (!instance->verbose)
+ return;
+ va_start(ap, fmt);
+ snd_output_printf(instance->vout, "alisp: ");
+ snd_output_vprintf(instance->vout, fmt, ap);
+ snd_output_putc(instance->vout, '\n');
+ va_end(ap);
+}
+
+static void lisp_error(struct alisp_instance *instance, const char *fmt, ...)
+{
+ va_list ap;
+
+ if (!instance->warning)
+ return;
+ va_start(ap, fmt);
+ snd_output_printf(instance->eout, "alisp error: ");
+ snd_output_vprintf(instance->eout, fmt, ap);
+ snd_output_putc(instance->eout, '\n');
+ va_end(ap);
+}
+
+static void lisp_warn(struct alisp_instance *instance, const char *fmt, ...)
+{
+ va_list ap;
+
+ if (!instance->warning)
+ return;
+ va_start(ap, fmt);
+ snd_output_printf(instance->wout, "alisp warning: ");
+ snd_output_vprintf(instance->wout, fmt, ap);
+ snd_output_putc(instance->wout, '\n');
+ va_end(ap);
+}
+
+static void lisp_debug(struct alisp_instance *instance, const char *fmt, ...)
+{
+ va_list ap;
+
+ if (!instance->debug)
+ return;
+ va_start(ap, fmt);
+ snd_output_printf(instance->dout, "alisp debug: ");
+ snd_output_vprintf(instance->dout, fmt, ap);
+ snd_output_putc(instance->dout, '\n');
+ va_end(ap);
+}
+
+static struct alisp_object * new_object(struct alisp_instance *instance, int type)
+{
+ struct alisp_object * p;
+
+ if (list_empty(&instance->free_objs_list)) {
+ p = (struct alisp_object *)malloc(sizeof(struct alisp_object));
+ if (p == NULL) {
+ nomem();
+ return NULL;
+ }
+ lisp_debug(instance, "allocating cons %p", p);
+ } else {
+ p = (struct alisp_object *)instance->free_objs_list.next;
+ list_del(&p->list);
+ instance->free_objs--;
+ lisp_debug(instance, "recycling cons %p", p);
+ }
+
+ instance->used_objs++;
+
+ alisp_set_type(p, type);
+ alisp_set_refs(p, 1);
+ if (type == ALISP_OBJ_CONS) {
+ p->value.c.car = &alsa_lisp_nil;
+ p->value.c.cdr = &alsa_lisp_nil;
+ list_add(&p->list, &instance->used_objs_list[0][ALISP_OBJ_CONS]);
+ }
+
+ if (instance->used_objs + instance->free_objs > instance->max_objs)
+ instance->max_objs = instance->used_objs + instance->free_objs;
+
+ return p;
+}
+
+static void free_object(struct alisp_object * p)
+{
+ switch (alisp_get_type(p)) {
+ case ALISP_OBJ_STRING:
+ case ALISP_OBJ_IDENTIFIER:
+ free(p->value.s);
+ alisp_set_type(p, ALISP_OBJ_INTEGER);
+ break;
+ default:
+ break;
+ }
+}
+
+static void delete_object(struct alisp_instance *instance, struct alisp_object * p)
+{
+ if (p == NULL || p == &alsa_lisp_nil || p == &alsa_lisp_t)
+ return;
+ if (alisp_compare_type(p, ALISP_OBJ_NIL) ||
+ alisp_compare_type(p, ALISP_OBJ_T))
+ return;
+ assert(alisp_get_refs(p) > 0);
+ lisp_debug(instance, "delete cons %p (type = %i, refs = %i) (s = '%s')", p, alisp_get_type(p), alisp_get_refs(p),
+ alisp_compare_type(p, ALISP_OBJ_STRING) ||
+ alisp_compare_type(p, ALISP_OBJ_IDENTIFIER) ? p->value.s : "???");
+ if (alisp_dec_refs(p))
+ return;
+ list_del(&p->list);
+ instance->used_objs--;
+ free_object(p);
+ if (instance->free_objs >= ALISP_FREE_OBJ_POOL) {
+ lisp_debug(instance, "freed cons %p", p);
+ free(p);
+ return;
+ }
+ lisp_debug(instance, "moved cons %p to free list", p);
+ list_add(&p->list, &instance->free_objs_list);
+ instance->free_objs++;
+}
+
+static void delete_tree(struct alisp_instance *instance, struct alisp_object * p)
+{
+ if (p == NULL)
+ return;
+ if (alisp_compare_type(p, ALISP_OBJ_CONS)) {
+ delete_tree(instance, p->value.c.car);
+ delete_tree(instance, p->value.c.cdr);
+ }
+ delete_object(instance, p);
+}
+
+static struct alisp_object * incref_object(struct alisp_instance *instance ATTRIBUTE_UNUSED, struct alisp_object * p)
+{
+ if (p == NULL || p == &alsa_lisp_nil || p == &alsa_lisp_t)
+ return p;
+ if (alisp_get_refs(p) == ALISP_MAX_REFS) {
+ assert(0);
+ fprintf(stderr, "OOPS: alsa lisp: incref fatal error\n");
+ exit(EXIT_FAILURE);
+ }
+ alisp_inc_refs(p);
+ return p;
+}
+
+static struct alisp_object * incref_tree(struct alisp_instance *instance, struct alisp_object * p)
+{
+ if (p == NULL)
+ return NULL;
+ if (alisp_compare_type(p, ALISP_OBJ_CONS)) {
+ incref_tree(instance, p->value.c.car);
+ incref_tree(instance, p->value.c.cdr);
+ }
+ return incref_object(instance, p);
+}
+
+/* Function not used yet. Leave it commented out until we actually use it to
+ * avoid compiler complaints */
+#if 0
+static struct alisp_object * incref_tree_explicit(struct alisp_instance *instance, struct alisp_object * p, struct alisp_object * e)
+{
+ if (p == NULL)
+ return NULL;
+ if (alisp_compare_type(p, ALISP_OBJ_CONS)) {
+ if (e == p) {
+ incref_tree(instance, p->value.c.car);
+ incref_tree(instance, p->value.c.cdr);
+ } else {
+ incref_tree_explicit(instance, p->value.c.car, e);
+ incref_tree_explicit(instance, p->value.c.cdr, e);
+ }
+ }
+ if (e == p)
+ return incref_object(instance, p);
+ return p;
+}
+#endif
+
+static void free_objects(struct alisp_instance *instance)
+{
+ struct list_head *pos, *pos1;
+ struct alisp_object * p;
+ struct alisp_object_pair * pair;
+ int i, j;
+
+ for (i = 0; i < ALISP_OBJ_PAIR_HASH_SIZE; i++) {
+ list_for_each_safe(pos, pos1, &instance->setobjs_list[i]) {
+ pair = list_entry(pos, struct alisp_object_pair, list);
+ lisp_debug(instance, "freeing pair: '%s' -> %p", pair->name, pair->value);
+ delete_tree(instance, pair->value);
+ free((void *)pair->name);
+ free(pair);
+ }
+ }
+ for (i = 0; i < ALISP_OBJ_PAIR_HASH_SIZE; i++)
+ for (j = 0; j <= ALISP_OBJ_LAST_SEARCH; j++) {
+ list_for_each_safe(pos, pos1, &instance->used_objs_list[i][j]) {
+ p = list_entry(pos, struct alisp_object, list);
+ lisp_warn(instance, "object %p is still referenced %i times!", p, alisp_get_refs(p));
+#if 0
+ snd_output_printf(instance->wout, ">>>> ");
+ princ_object(instance->wout, p);
+ snd_output_printf(instance->wout, " <<<<\n");
+#endif
+ if (alisp_get_refs(p) > 0)
+ alisp_set_refs(p, 1);
+ delete_object(instance, p);
+ }
+ }
+ list_for_each_safe(pos, pos1, &instance->free_objs_list) {
+ p = list_entry(pos, struct alisp_object, list);
+ list_del(&p->list);
+ free(p);
+ lisp_debug(instance, "freed (all) cons %p", p);
+ }
+}
+
+static struct alisp_object * search_object_identifier(struct alisp_instance *instance, const char *s)
+{
+ struct list_head * pos;
+ struct alisp_object * p;
+
+ list_for_each(pos, &instance->used_objs_list[get_string_hash(s)][ALISP_OBJ_IDENTIFIER]) {
+ p = list_entry(pos, struct alisp_object, list);
+ if (alisp_get_refs(p) > ALISP_MAX_REFS_LIMIT)
+ continue;
+ if (!strcmp(p->value.s, s))
+ return incref_object(instance, p);
+ }
+
+ return NULL;
+}
+
+static struct alisp_object * search_object_string(struct alisp_instance *instance, const char *s)
+{
+ struct list_head * pos;
+ struct alisp_object * p;
+
+ list_for_each(pos, &instance->used_objs_list[get_string_hash(s)][ALISP_OBJ_STRING]) {
+ p = list_entry(pos, struct alisp_object, list);
+ if (!strcmp(p->value.s, s)) {
+ if (alisp_get_refs(p) > ALISP_MAX_REFS_LIMIT)
+ continue;
+ return incref_object(instance, p);
+ }
+ }
+
+ return NULL;
+}
+
+static struct alisp_object * search_object_integer(struct alisp_instance *instance, long in)
+{
+ struct list_head * pos;
+ struct alisp_object * p;
+
+ list_for_each(pos, &instance->used_objs_list[in & ALISP_OBJ_PAIR_HASH_MASK][ALISP_OBJ_INTEGER]) {
+ p = list_entry(pos, struct alisp_object, list);
+ if (p->value.i == in) {
+ if (alisp_get_refs(p) > ALISP_MAX_REFS_LIMIT)
+ continue;
+ return incref_object(instance, p);
+ }
+ }
+
+ return NULL;
+}
+
+static struct alisp_object * search_object_float(struct alisp_instance *instance, double in)
+{
+ struct list_head * pos;
+ struct alisp_object * p;
+
+ list_for_each(pos, &instance->used_objs_list[(long)in & ALISP_OBJ_PAIR_HASH_MASK][ALISP_OBJ_FLOAT]) {
+ p = list_entry(pos, struct alisp_object, list);
+ if (p->value.i == in) {
+ if (alisp_get_refs(p) > ALISP_MAX_REFS_LIMIT)
+ continue;
+ return incref_object(instance, p);
+ }
+ }
+
+ return NULL;
+}
+
+static struct alisp_object * search_object_pointer(struct alisp_instance *instance, const void *ptr)
+{
+ struct list_head * pos;
+ struct alisp_object * p;
+
+ list_for_each(pos, &instance->used_objs_list[(long)ptr & ALISP_OBJ_PAIR_HASH_MASK][ALISP_OBJ_POINTER]) {
+ p = list_entry(pos, struct alisp_object, list);
+ if (p->value.ptr == ptr) {
+ if (alisp_get_refs(p) > ALISP_MAX_REFS_LIMIT)
+ continue;
+ return incref_object(instance, p);
+ }
+ }
+
+ return NULL;
+}
+
+static struct alisp_object * new_integer(struct alisp_instance *instance, long value)
+{
+ struct alisp_object * obj;
+
+ obj = search_object_integer(instance, value);
+ if (obj != NULL)
+ return obj;
+ obj = new_object(instance, ALISP_OBJ_INTEGER);
+ if (obj) {
+ list_add(&obj->list, &instance->used_objs_list[value & ALISP_OBJ_PAIR_HASH_MASK][ALISP_OBJ_INTEGER]);
+ obj->value.i = value;
+ }
+ return obj;
+}
+
+static struct alisp_object * new_float(struct alisp_instance *instance, double value)
+{
+ struct alisp_object * obj;
+
+ obj = search_object_float(instance, value);
+ if (obj != NULL)
+ return obj;
+ obj = new_object(instance, ALISP_OBJ_FLOAT);
+ if (obj) {
+ list_add(&obj->list, &instance->used_objs_list[(long)value & ALISP_OBJ_PAIR_HASH_MASK][ALISP_OBJ_FLOAT]);
+ obj->value.f = value;
+ }
+ return obj;
+}
+
+static struct alisp_object * new_string(struct alisp_instance *instance, const char *str)
+{
+ struct alisp_object * obj;
+
+ obj = search_object_string(instance, str);
+ if (obj != NULL)
+ return obj;
+ obj = new_object(instance, ALISP_OBJ_STRING);
+ if (obj)
+ list_add(&obj->list, &instance->used_objs_list[get_string_hash(str)][ALISP_OBJ_STRING]);
+ if (obj && (obj->value.s = strdup(str)) == NULL) {
+ delete_object(instance, obj);
+ nomem();
+ return NULL;
+ }
+ return obj;
+}
+
+static struct alisp_object * new_identifier(struct alisp_instance *instance, const char *id)
+{
+ struct alisp_object * obj;
+
+ obj = search_object_identifier(instance, id);
+ if (obj != NULL)
+ return obj;
+ obj = new_object(instance, ALISP_OBJ_IDENTIFIER);
+ if (obj)
+ list_add(&obj->list, &instance->used_objs_list[get_string_hash(id)][ALISP_OBJ_IDENTIFIER]);
+ if (obj && (obj->value.s = strdup(id)) == NULL) {
+ delete_object(instance, obj);
+ nomem();
+ return NULL;
+ }
+ return obj;
+}
+
+static struct alisp_object * new_pointer(struct alisp_instance *instance, const void *ptr)
+{
+ struct alisp_object * obj;
+
+ obj = search_object_pointer(instance, ptr);
+ if (obj != NULL)
+ return obj;
+ obj = new_object(instance, ALISP_OBJ_POINTER);
+ if (obj) {
+ list_add(&obj->list, &instance->used_objs_list[(long)ptr & ALISP_OBJ_PAIR_HASH_MASK][ALISP_OBJ_POINTER]);
+ obj->value.ptr = ptr;
+ }
+ return obj;
+}
+
+static struct alisp_object * new_cons_pointer(struct alisp_instance * instance, const char *ptr_id, void *ptr)
+{
+ struct alisp_object * lexpr;
+
+ if (ptr == NULL)
+ return &alsa_lisp_nil;
+ lexpr = new_object(instance, ALISP_OBJ_CONS);
+ if (lexpr == NULL)
+ return NULL;
+ lexpr->value.c.car = new_string(instance, ptr_id);
+ if (lexpr->value.c.car == NULL)
+ goto __end;
+ lexpr->value.c.cdr = new_pointer(instance, ptr);
+ if (lexpr->value.c.cdr == NULL) {
+ delete_object(instance, lexpr->value.c.car);
+ __end:
+ delete_object(instance, lexpr);
+ return NULL;
+ }
+ return lexpr;
+}
+
+void alsa_lisp_init_objects(void) __attribute__ ((constructor));
+
+void alsa_lisp_init_objects(void)
+{
+ memset(&alsa_lisp_nil, 0, sizeof(alsa_lisp_nil));
+ alisp_set_type(&alsa_lisp_nil, ALISP_OBJ_NIL);
+ INIT_LIST_HEAD(&alsa_lisp_nil.list);
+ memset(&alsa_lisp_t, 0, sizeof(alsa_lisp_t));
+ alisp_set_type(&alsa_lisp_t, ALISP_OBJ_T);
+ INIT_LIST_HEAD(&alsa_lisp_t.list);
+}
+
+/*
+ * lexer
+ */
+
+static int xgetc(struct alisp_instance *instance)
+{
+ instance->charno++;
+ if (instance->lex_bufp > instance->lex_buf)
+ return *--(instance->lex_bufp);
+ return snd_input_getc(instance->in);
+}
+
+static inline void xungetc(struct alisp_instance *instance, int c)
+{
+ *(instance->lex_bufp)++ = c;
+ instance->charno--;
+}
+
+static int init_lex(struct alisp_instance *instance)
+{
+ instance->charno = instance->lineno = 1;
+ instance->token_buffer_max = 10;
+ if ((instance->token_buffer = (char *)malloc(instance->token_buffer_max)) == NULL) {
+ nomem();
+ return -ENOMEM;
+ }
+ instance->lex_bufp = instance->lex_buf;
+ return 0;
+}
+
+static void done_lex(struct alisp_instance *instance)
+{
+ free(instance->token_buffer);
+}
+
+static char * extend_buf(struct alisp_instance *instance, char *p)
+{
+ int off = p - instance->token_buffer;
+
+ instance->token_buffer_max += 10;
+ instance->token_buffer = (char *)realloc(instance->token_buffer, instance->token_buffer_max);
+ if (instance->token_buffer == NULL) {
+ nomem();
+ return NULL;
+ }
+
+ return instance->token_buffer + off;
+}
+
+static int gettoken(struct alisp_instance *instance)
+{
+ char *p;
+ int c;
+
+ for (;;) {
+ c = xgetc(instance);
+ switch (c) {
+ case '\n':
+ ++instance->lineno;
+ break;
+
+ case ' ': case '\f': case '\t': case '\v': case '\r':
+ break;
+
+ case ';':
+ /* Comment: ";".*"\n" */
+ while ((c = xgetc(instance)) != '\n' && c != EOF)
+ ;
+ if (c != EOF)
+ ++instance->lineno;
+ break;
+
+ case '?':
+ /* Character: "?". */
+ c = xgetc(instance);
+ sprintf(instance->token_buffer, "%d", c);
+ return instance->thistoken = ALISP_INTEGER;
+
+ case '-':
+ /* Minus sign: "-". */
+ c = xgetc(instance);
+ if (!isdigit(c)) {
+ xungetc(instance, c);
+ c = '-';
+ goto got_id;
+ }
+ xungetc(instance, c);
+ c = '-';
+ /* FALLTRHU */
+
+ case '0':
+ case '1': case '2': case '3':
+ case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ /* Integer: [0-9]+ */
+ p = instance->token_buffer;
+ instance->thistoken = ALISP_INTEGER;
+ do {
+ __ok:
+ if (p - instance->token_buffer >= instance->token_buffer_max - 1) {
+ p = extend_buf(instance, p);
+ if (p == NULL)
+ return instance->thistoken = EOF;
+ }
+ *p++ = c;
+ c = xgetc(instance);
+ if (c == '.' && instance->thistoken == ALISP_INTEGER) {
+ c = xgetc(instance);
+ xungetc(instance, c);
+ if (isdigit(c)) {
+ instance->thistoken = ALISP_FLOAT;
+ c = '.';
+ goto __ok;
+ } else {
+ c = '.';
+ }
+ } else if (c == 'e' && instance->thistoken == ALISP_FLOAT) {
+ c = xgetc(instance);
+ if (isdigit(c)) {
+ instance->thistoken = ALISP_FLOATE;
+ goto __ok;
+ }
+ }
+ } while (isdigit(c));
+ xungetc(instance, c);
+ *p = '\0';
+ return instance->thistoken;
+
+ got_id:
+ case '!': case '_': case '+': case '*': case '/': case '%':
+ case '<': case '>': case '=': case '&':
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
+ case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
+ case 'm': case 'n': case 'o': case 'p': case 'q': case 'r':
+ case 's': case 't': case 'u': case 'v': case 'w': case 'x':
+ case 'y': case 'z':
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
+ case 'G': case 'H': case 'I': case 'J': case 'K': case 'L':
+ case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R':
+ case 'S': case 'T': case 'U': case 'V': case 'W': case 'X':
+ case 'Y': case 'Z':
+ /* Identifier: [!-/+*%<>=&a-zA-Z_][-/+*%<>=&a-zA-Z_0-9]* */
+ p = instance->token_buffer;
+ do {
+ if (p - instance->token_buffer >= instance->token_buffer_max - 1) {
+ p = extend_buf(instance, p);
+ if (p == NULL)
+ return instance->thistoken = EOF;
+ }
+ *p++ = c;
+ c = xgetc(instance);
+ } while (isalnum(c) || strchr("!_-+*/%<>=&", c) != NULL);
+ xungetc(instance, c);
+ *p = '\0';
+ return instance->thistoken = ALISP_IDENTIFIER;
+
+ case '"':
+ /* String: "\""([^"]|"\\".)*"\"" */
+ p = instance->token_buffer;
+ while ((c = xgetc(instance)) != '"' && c != EOF) {
+ if (p - instance->token_buffer >= instance->token_buffer_max - 1) {
+ p = extend_buf(instance, p);
+ if (p == NULL)
+ return instance->thistoken = EOF;
+ }
+ if (c == '\\') {
+ c = xgetc(instance);
+ switch (c) {
+ case '\n': ++instance->lineno; break;
+ case 'a': *p++ = '\a'; break;
+ case 'b': *p++ = '\b'; break;
+ case 'f': *p++ = '\f'; break;
+ case 'n': *p++ = '\n'; break;
+ case 'r': *p++ = '\r'; break;
+ case 't': *p++ = '\t'; break;
+ case 'v': *p++ = '\v'; break;
+ default: *p++ = c;
+ }
+ } else {
+ if (c == '\n')
+ ++instance->lineno;
+ *p++ = c;
+ }
+ }
+ *p = '\0';
+ return instance->thistoken = ALISP_STRING;
+
+ default:
+ return instance->thistoken = c;
+ }
+ }
+}
+
+/*
+ * parser
+ */
+
+static struct alisp_object * parse_form(struct alisp_instance *instance)
+{
+ int thistoken;
+ struct alisp_object * p, * first = NULL, * prev = NULL;
+
+ while ((thistoken = gettoken(instance)) != ')' && thistoken != EOF) {
+ /*
+ * Parse a dotted pair notation.
+ */
+ if (thistoken == '.') {
+ gettoken(instance);
+ if (prev == NULL) {
+ lisp_error(instance, "unexpected '.'");
+ __err:
+ delete_tree(instance, first);
+ return NULL;
+ }
+ prev->value.c.cdr = parse_object(instance, 1);
+ if (prev->value.c.cdr == NULL)
+ goto __err;
+ if ((thistoken = gettoken(instance)) != ')') {
+ lisp_error(instance, "expected ')'");
+ goto __err;
+ }
+ break;
+ }
+
+ p = new_object(instance, ALISP_OBJ_CONS);
+ if (p == NULL)
+ goto __err;
+
+ if (first == NULL)
+ first = p;
+ if (prev != NULL)
+ prev->value.c.cdr = p;
+
+ p->value.c.car = parse_object(instance, 1);
+ if (p->value.c.car == NULL)
+ goto __err;
+
+ prev = p;
+ }
+
+ if (first == NULL)
+ return &alsa_lisp_nil;
+ else
+ return first;
+}
+
+static struct alisp_object * quote_object(struct alisp_instance *instance, struct alisp_object * obj)
+{
+ struct alisp_object * p;
+
+ if (obj == NULL)
+ goto __end1;
+
+ p = new_object(instance, ALISP_OBJ_CONS);
+ if (p == NULL)
+ goto __end1;
+
+ p->value.c.car = new_identifier(instance, "quote");
+ if (p->value.c.car == NULL)
+ goto __end;
+ p->value.c.cdr = new_object(instance, ALISP_OBJ_CONS);
+ if (p->value.c.cdr == NULL) {
+ delete_object(instance, p->value.c.car);
+ __end:
+ delete_object(instance, p);
+ __end1:
+ delete_tree(instance, obj);
+ return NULL;
+ }
+
+ p->value.c.cdr->value.c.car = obj;
+ return p;
+}
+
+static inline struct alisp_object * parse_quote(struct alisp_instance *instance)
+{
+ return quote_object(instance, parse_object(instance, 0));
+}
+
+static struct alisp_object * parse_object(struct alisp_instance *instance, int havetoken)
+{
+ int thistoken;
+ struct alisp_object * p = NULL;
+
+ if (!havetoken)
+ thistoken = gettoken(instance);
+ else
+ thistoken = instance->thistoken;
+
+ switch (thistoken) {
+ case EOF:
+ break;
+ case '(':
+ p = parse_form(instance);
+ break;
+ case '\'':
+ p = parse_quote(instance);
+ break;
+ case ALISP_IDENTIFIER:
+ if (!strcmp(instance->token_buffer, "t"))
+ p = &alsa_lisp_t;
+ else if (!strcmp(instance->token_buffer, "nil"))
+ p = &alsa_lisp_nil;
+ else {
+ p = new_identifier(instance, instance->token_buffer);
+ }
+ break;
+ case ALISP_INTEGER: {
+ p = new_integer(instance, atol(instance->token_buffer));
+ break;
+ }
+ case ALISP_FLOAT:
+ case ALISP_FLOATE: {
+ p = new_float(instance, atof(instance->token_buffer));
+ break;
+ }
+ case ALISP_STRING:
+ p = new_string(instance, instance->token_buffer);
+ break;
+ default:
+ lisp_warn(instance, "%d:%d: unexpected character `%c'", instance->lineno, instance->charno, thistoken);
+ break;
+ }
+
+ return p;
+}
+
+/*
+ * object manipulation
+ */
+
+static struct alisp_object_pair * set_object_direct(struct alisp_instance *instance, struct alisp_object * name, struct alisp_object * value)
+{
+ struct alisp_object_pair *p;
+ const char *id;
+
+ id = name->value.s;
+ p = (struct alisp_object_pair *)malloc(sizeof(struct alisp_object_pair));
+ if (p == NULL) {
+ nomem();
+ return NULL;
+ }
+ p->name = strdup(id);
+ if (p->name == NULL) {
+ delete_tree(instance, value);
+ free(p);
+ return NULL;
+ }
+ list_add(&p->list, &instance->setobjs_list[get_string_hash(id)]);
+ p->value = value;
+ return p;
+}
+
+static int check_set_object(struct alisp_instance * instance, struct alisp_object * name)
+{
+ if (name == &alsa_lisp_nil) {
+ lisp_warn(instance, "setting the value of a nil object");
+ return 0;
+ }
+ if (name == &alsa_lisp_t) {
+ lisp_warn(instance, "setting the value of a t object");
+ return 0;
+ }
+ if (!alisp_compare_type(name, ALISP_OBJ_IDENTIFIER) &&
+ !alisp_compare_type(name, ALISP_OBJ_STRING)) {
+ lisp_warn(instance, "setting the value of an object with non-indentifier");
+ return 0;
+ }
+ return 1;
+}
+
+static struct alisp_object_pair * set_object(struct alisp_instance *instance, struct alisp_object * name, struct alisp_object * value)
+{
+ struct list_head *pos;
+ struct alisp_object_pair *p;
+ const char *id;
+
+ if (name == NULL || value == NULL)
+ return NULL;
+
+ id = name->value.s;
+
+ list_for_each(pos, &instance->setobjs_list[get_string_hash(id)]) {
+ p = list_entry(pos, struct alisp_object_pair, list);
+ if (!strcmp(p->name, id)) {
+ delete_tree(instance, p->value);
+ p->value = value;
+ return p;
+ }
+ }
+
+ p = (struct alisp_object_pair *)malloc(sizeof(struct alisp_object_pair));
+ if (p == NULL) {
+ nomem();
+ return NULL;
+ }
+ p->name = strdup(id);
+ if (p->name == NULL) {
+ delete_tree(instance, value);
+ free(p);
+ return NULL;
+ }
+ list_add(&p->list, &instance->setobjs_list[get_string_hash(id)]);
+ p->value = value;
+ return p;
+}
+
+static struct alisp_object * unset_object(struct alisp_instance *instance, struct alisp_object * name)
+{
+ struct list_head *pos;
+ struct alisp_object *res;
+ struct alisp_object_pair *p;
+ const char *id;
+
+ if (!alisp_compare_type(name, ALISP_OBJ_IDENTIFIER) &&
+ !alisp_compare_type(name, ALISP_OBJ_STRING)) {
+ lisp_warn(instance, "unset object with a non-indentifier");
+ return &alsa_lisp_nil;
+ }
+ id = name->value.s;
+
+ list_for_each(pos, &instance->setobjs_list[get_string_hash(id)]) {
+ p = list_entry(pos, struct alisp_object_pair, list);
+ if (!strcmp(p->name, id)) {
+ list_del(&p->list);
+ res = p->value;
+ free((void *)p->name);
+ free(p);
+ return res;
+ }
+ }
+
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * get_object1(struct alisp_instance *instance, const char *id)
+{
+ struct alisp_object_pair *p;
+ struct list_head *pos;
+
+ list_for_each(pos, &instance->setobjs_list[get_string_hash(id)]) {
+ p = list_entry(pos, struct alisp_object_pair, list);
+ if (!strcmp(p->name, id))
+ return p->value;
+ }
+
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * get_object(struct alisp_instance *instance, struct alisp_object * name)
+{
+ if (!alisp_compare_type(name, ALISP_OBJ_IDENTIFIER) &&
+ !alisp_compare_type(name, ALISP_OBJ_STRING)) {
+ delete_tree(instance, name);
+ return &alsa_lisp_nil;
+ }
+ return get_object1(instance, name->value.s);
+}
+
+static struct alisp_object * replace_object(struct alisp_instance *instance, struct alisp_object * name, struct alisp_object * onew)
+{
+ struct alisp_object_pair *p;
+ struct alisp_object *r;
+ struct list_head *pos;
+ const char *id;
+
+ if (!alisp_compare_type(name, ALISP_OBJ_IDENTIFIER) &&
+ !alisp_compare_type(name, ALISP_OBJ_STRING)) {
+ delete_tree(instance, name);
+ return &alsa_lisp_nil;
+ }
+ id = name->value.s;
+ list_for_each(pos, &instance->setobjs_list[get_string_hash(id)]) {
+ p = list_entry(pos, struct alisp_object_pair, list);
+ if (!strcmp(p->name, id)) {
+ r = p->value;
+ p->value = onew;
+ return r;
+ }
+ }
+
+ return NULL;
+}
+
+static void dump_objects(struct alisp_instance *instance, const char *fname)
+{
+ struct alisp_object_pair *p;
+ snd_output_t *out;
+ struct list_head *pos;
+ int i, err;
+
+ if (!strcmp(fname, "-"))
+ err = snd_output_stdio_attach(&out, stdout, 0);
+ else
+ err = snd_output_stdio_open(&out, fname, "w+");
+ if (err < 0) {
+ SNDERR("alisp: cannot open file '%s' for writing (%s)", fname, snd_strerror(errno));
+ return;
+ }
+
+ for (i = 0; i < ALISP_OBJ_PAIR_HASH_SIZE; i++) {
+ list_for_each(pos, &instance->setobjs_list[i]) {
+ p = list_entry(pos, struct alisp_object_pair, list);
+ if (alisp_compare_type(p->value, ALISP_OBJ_CONS) &&
+ alisp_compare_type(p->value->value.c.car, ALISP_OBJ_IDENTIFIER) &&
+ !strcmp(p->value->value.c.car->value.s, "lambda")) {
+ snd_output_printf(out, "(defun %s ", p->name);
+ princ_cons(out, p->value->value.c.cdr);
+ snd_output_printf(out, ")\n");
+ continue;
+ }
+ snd_output_printf(out, "(setq %s '", p->name);
+ princ_object(out, p->value);
+ snd_output_printf(out, ")\n");
+ }
+ }
+ snd_output_close(out);
+}
+
+static const char *obj_type_str(struct alisp_object * p)
+{
+ switch (alisp_get_type(p)) {
+ case ALISP_OBJ_NIL: return "nil";
+ case ALISP_OBJ_T: return "t";
+ case ALISP_OBJ_INTEGER: return "integer";
+ case ALISP_OBJ_FLOAT: return "float";
+ case ALISP_OBJ_IDENTIFIER: return "identifier";
+ case ALISP_OBJ_STRING: return "string";
+ case ALISP_OBJ_POINTER: return "pointer";
+ case ALISP_OBJ_CONS: return "cons";
+ default: assert(0);
+ }
+}
+
+static void print_obj_lists(struct alisp_instance *instance, snd_output_t *out)
+{
+ struct list_head *pos;
+ struct alisp_object * p;
+ int i, j;
+
+ snd_output_printf(out, "** used objects\n");
+ for (i = 0; i < ALISP_OBJ_PAIR_HASH_SIZE; i++)
+ for (j = 0; j <= ALISP_OBJ_LAST_SEARCH; j++)
+ list_for_each(pos, &instance->used_objs_list[i][j]) {
+ p = list_entry(pos, struct alisp_object, list);
+ snd_output_printf(out, "** %p (%s) (", p, obj_type_str(p));
+ if (!alisp_compare_type(p, ALISP_OBJ_CONS))
+ princ_object(out, p);
+ else
+ snd_output_printf(out, "cons");
+ snd_output_printf(out, ") refs=%i\n", alisp_get_refs(p));
+ }
+ snd_output_printf(out, "** free objects\n");
+ list_for_each(pos, &instance->free_objs_list) {
+ p = list_entry(pos, struct alisp_object, list);
+ snd_output_printf(out, "** %p\n", p);
+ }
+}
+
+static void dump_obj_lists(struct alisp_instance *instance, const char *fname)
+{
+ snd_output_t *out;
+ int err;
+
+ if (!strcmp(fname, "-"))
+ err = snd_output_stdio_attach(&out, stdout, 0);
+ else
+ err = snd_output_stdio_open(&out, fname, "w+");
+ if (err < 0) {
+ SNDERR("alisp: cannot open file '%s' for writing (%s)", fname, snd_strerror(errno));
+ return;
+ }
+
+ print_obj_lists(instance, out);
+
+ snd_output_close(out);
+}
+
+/*
+ * functions
+ */
+
+static int count_list(struct alisp_object * p)
+{
+ int i = 0;
+
+ while (p != &alsa_lisp_nil && alisp_compare_type(p, ALISP_OBJ_CONS)) {
+ p = p->value.c.cdr;
+ ++i;
+ }
+
+ return i;
+}
+
+static inline struct alisp_object * car(struct alisp_object * p)
+{
+ if (alisp_compare_type(p, ALISP_OBJ_CONS))
+ return p->value.c.car;
+
+ return &alsa_lisp_nil;
+}
+
+static inline struct alisp_object * cdr(struct alisp_object * p)
+{
+ if (alisp_compare_type(p, ALISP_OBJ_CONS))
+ return p->value.c.cdr;
+
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (car expr)
+ */
+static struct alisp_object * F_car(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object *p1 = car(args), *p2;
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ p1 = eval(instance, p1);
+ delete_tree(instance, cdr(p1));
+ p2 = car(p1);
+ delete_object(instance, p1);
+ return p2;
+}
+
+/*
+ * Syntax: (cdr expr)
+ */
+static struct alisp_object * F_cdr(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object *p1 = car(args), *p2;
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ p1 = eval(instance, p1);
+ delete_tree(instance, car(p1));
+ p2 = cdr(p1);
+ delete_object(instance, p1);
+ return p2;
+}
+
+/*
+ * Syntax: (+ expr...)
+ */
+static struct alisp_object * F_add(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1, * n;
+ long v = 0;
+ double f = 0;
+ int type = ALISP_OBJ_INTEGER;
+
+ p1 = eval(instance, car(p));
+ for (;;) {
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER)) {
+ if (type == ALISP_OBJ_FLOAT)
+ f += p1->value.i;
+ else
+ v += p1->value.i;
+ } else if (alisp_compare_type(p1, ALISP_OBJ_FLOAT)) {
+ f += p1->value.f + v;
+ v = 0;
+ type = ALISP_OBJ_FLOAT;
+ } else {
+ lisp_warn(instance, "sum with a non integer or float operand");
+ }
+ delete_tree(instance, p1);
+ p = cdr(n = p);
+ delete_object(instance, n);
+ if (p == &alsa_lisp_nil)
+ break;
+ p1 = eval(instance, car(p));
+ }
+ if (type == ALISP_OBJ_INTEGER) {
+ return new_integer(instance, v);
+ } else {
+ return new_float(instance, f);
+ }
+}
+
+/*
+ * Syntax: (concat expr...)
+ */
+static struct alisp_object * F_concat(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1, * n;
+ char *str = NULL, *str1;
+
+ p1 = eval(instance, car(p));
+ for (;;) {
+ if (alisp_compare_type(p1, ALISP_OBJ_STRING)) {
+ str1 = realloc(str, (str ? strlen(str) : 0) + strlen(p1->value.s) + 1);
+ if (str1 == NULL) {
+ nomem();
+ free(str);
+ return NULL;
+ }
+ if (str == NULL)
+ strcpy(str1, p1->value.s);
+ else
+ strcat(str1, p1->value.s);
+ str = str1;
+ } else {
+ lisp_warn(instance, "concat with a non string or identifier operand");
+ }
+ delete_tree(instance, p1);
+ p = cdr(n = p);
+ delete_object(instance, n);
+ if (p == &alsa_lisp_nil)
+ break;
+ p1 = eval(instance, car(p));
+ }
+ if (str) {
+ p = new_string(instance, str);
+ free(str);
+ } else {
+ p = &alsa_lisp_nil;
+ }
+ return p;
+}
+
+/*
+ * Syntax: (- expr...)
+ */
+static struct alisp_object * F_sub(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1, * n;
+ long v = 0;
+ double f = 0;
+ int type = ALISP_OBJ_INTEGER;
+
+ do {
+ p1 = eval(instance, car(p));
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER)) {
+ if (p == args && cdr(p) != &alsa_lisp_nil) {
+ v = p1->value.i;
+ } else {
+ if (type == ALISP_OBJ_FLOAT)
+ f -= p1->value.i;
+ else
+ v -= p1->value.i;
+ }
+ } else if (alisp_compare_type(p1, ALISP_OBJ_FLOAT)) {
+ if (type == ALISP_OBJ_INTEGER) {
+ f = v;
+ type = ALISP_OBJ_FLOAT;
+ }
+ if (p == args && cdr(p) != &alsa_lisp_nil)
+ f = p1->value.f;
+ else {
+ f -= p1->value.f;
+ }
+ } else
+ lisp_warn(instance, "difference with a non integer or float operand");
+ delete_tree(instance, p1);
+ n = cdr(p);
+ delete_object(instance, p);
+ p = n;
+ } while (p != &alsa_lisp_nil);
+
+ if (type == ALISP_OBJ_INTEGER) {
+ return new_integer(instance, v);
+ } else {
+ return new_float(instance, f);
+ }
+}
+
+/*
+ * Syntax: (* expr...)
+ */
+static struct alisp_object * F_mul(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1, * n;
+ long v = 1;
+ double f = 1;
+ int type = ALISP_OBJ_INTEGER;
+
+ do {
+ p1 = eval(instance, car(p));
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER)) {
+ if (type == ALISP_OBJ_FLOAT)
+ f *= p1->value.i;
+ else
+ v *= p1->value.i;
+ } else if (alisp_compare_type(p1, ALISP_OBJ_FLOAT)) {
+ f *= p1->value.f * v; v = 1;
+ type = ALISP_OBJ_FLOAT;
+ } else {
+ lisp_warn(instance, "product with a non integer or float operand");
+ }
+ delete_tree(instance, p1);
+ n = cdr(p);
+ delete_object(instance, p);
+ p = n;
+ } while (p != &alsa_lisp_nil);
+
+ if (type == ALISP_OBJ_INTEGER) {
+ return new_integer(instance, v);
+ } else {
+ return new_float(instance, f);
+ }
+}
+
+/*
+ * Syntax: (/ expr...)
+ */
+static struct alisp_object * F_div(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1, * n;
+ long v = 0;
+ double f = 0;
+ int type = ALISP_OBJ_INTEGER;
+
+ do {
+ p1 = eval(instance, car(p));
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER)) {
+ if (p == args && cdr(p) != &alsa_lisp_nil) {
+ v = p1->value.i;
+ } else {
+ if (p1->value.i == 0) {
+ lisp_warn(instance, "division by zero");
+ v = 0;
+ f = 0;
+ break;
+ } else {
+ if (type == ALISP_OBJ_FLOAT)
+ f /= p1->value.i;
+ else
+ v /= p1->value.i;
+ }
+ }
+ } else if (alisp_compare_type(p1, ALISP_OBJ_FLOAT)) {
+ if (type == ALISP_OBJ_INTEGER) {
+ f = v;
+ type = ALISP_OBJ_FLOAT;
+ }
+ if (p == args && cdr(p) != &alsa_lisp_nil) {
+ f = p1->value.f;
+ } else {
+ if (p1->value.f == 0) {
+ lisp_warn(instance, "division by zero");
+ f = 0;
+ break;
+ } else {
+ f /= p1->value.i;
+ }
+ }
+ } else
+ lisp_warn(instance, "quotient with a non integer or float operand");
+ delete_tree(instance, p1);
+ n = cdr(p);
+ delete_object(instance, p);
+ p = n;
+ } while (p != &alsa_lisp_nil);
+
+ if (type == ALISP_OBJ_INTEGER) {
+ return new_integer(instance, v);
+ } else {
+ return new_float(instance, f);
+ }
+}
+
+/*
+ * Syntax: (% expr1 expr2)
+ */
+static struct alisp_object * F_mod(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * p3;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER) &&
+ alisp_compare_type(p2, ALISP_OBJ_INTEGER)) {
+ if (p2->value.i == 0) {
+ lisp_warn(instance, "module by zero");
+ p3 = new_integer(instance, 0);
+ } else {
+ p3 = new_integer(instance, p1->value.i % p2->value.i);
+ }
+ } else if ((alisp_compare_type(p1, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p1, ALISP_OBJ_FLOAT)) &&
+ (alisp_compare_type(p2, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p2, ALISP_OBJ_FLOAT))) {
+ double f1, f2;
+ f1 = alisp_compare_type(p1, ALISP_OBJ_INTEGER) ? p1->value.i : p1->value.f;
+ f2 = alisp_compare_type(p2, ALISP_OBJ_INTEGER) ? p2->value.i : p2->value.f;
+ f1 = fmod(f1, f2);
+ if (f1 == EDOM) {
+ lisp_warn(instance, "module by zero");
+ p3 = new_float(instance, 0);
+ } else {
+ p3 = new_float(instance, f1);
+ }
+ } else {
+ lisp_warn(instance, "module with a non integer or float operand");
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return p3;
+}
+
+/*
+ * Syntax: (< expr1 expr2)
+ */
+static struct alisp_object * F_lt(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER) &&
+ alisp_compare_type(p2, ALISP_OBJ_INTEGER)) {
+ if (p1->value.i < p2->value.i) {
+ __true:
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_t;
+ }
+ } else if ((alisp_compare_type(p1, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p1, ALISP_OBJ_FLOAT)) &&
+ (alisp_compare_type(p2, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p2, ALISP_OBJ_FLOAT))) {
+ double f1, f2;
+ f1 = alisp_compare_type(p1, ALISP_OBJ_INTEGER) ? p1->value.i : p1->value.f;
+ f2 = alisp_compare_type(p2, ALISP_OBJ_INTEGER) ? p2->value.i : p2->value.f;
+ if (f1 < f2)
+ goto __true;
+ } else {
+ lisp_warn(instance, "comparison with a non integer or float operand");
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (> expr1 expr2)
+ */
+static struct alisp_object * F_gt(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER) &&
+ alisp_compare_type(p2, ALISP_OBJ_INTEGER)) {
+ if (p1->value.i > p2->value.i) {
+ __true:
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_t;
+ }
+ } else if ((alisp_compare_type(p1, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p1, ALISP_OBJ_FLOAT)) &&
+ (alisp_compare_type(p2, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p2, ALISP_OBJ_FLOAT))) {
+ double f1, f2;
+ f1 = alisp_compare_type(p1, ALISP_OBJ_INTEGER) ? p1->value.i : p1->value.f;
+ f2 = alisp_compare_type(p2, ALISP_OBJ_INTEGER) ? p2->value.i : p2->value.f;
+ if (f1 > f2)
+ goto __true;
+ } else {
+ lisp_warn(instance, "comparison with a non integer or float operand");
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (<= expr1 expr2)
+ */
+static struct alisp_object * F_le(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER) &&
+ alisp_compare_type(p2, ALISP_OBJ_INTEGER)) {
+ if (p1->value.i <= p2->value.i) {
+ __true:
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_t;
+ }
+ } else if ((alisp_compare_type(p1, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p1, ALISP_OBJ_FLOAT)) &&
+ (alisp_compare_type(p2, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p2, ALISP_OBJ_FLOAT))) {
+ double f1, f2;
+ f1 = alisp_compare_type(p1, ALISP_OBJ_INTEGER) ? p1->value.i : p1->value.f;
+ f2 = alisp_compare_type(p2, ALISP_OBJ_INTEGER) ? p2->value.i : p2->value.f;
+ if (f1 <= f2)
+ goto __true;
+ } else {
+ lisp_warn(instance, "comparison with a non integer or float operand");
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (>= expr1 expr2)
+ */
+static struct alisp_object * F_ge(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER) &&
+ alisp_compare_type(p2, ALISP_OBJ_INTEGER)) {
+ if (p1->value.i >= p2->value.i) {
+ __true:
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_t;
+ }
+ } else if ((alisp_compare_type(p1, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p1, ALISP_OBJ_FLOAT)) &&
+ (alisp_compare_type(p2, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p2, ALISP_OBJ_FLOAT))) {
+ double f1, f2;
+ f1 = alisp_compare_type(p1, ALISP_OBJ_INTEGER) ? p1->value.i : p1->value.f;
+ f2 = alisp_compare_type(p2, ALISP_OBJ_INTEGER) ? p2->value.i : p2->value.f;
+ if (f1 >= f2)
+ goto __true;
+ } else {
+ lisp_warn(instance, "comparison with a non integer or float operand");
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (= expr1 expr2)
+ */
+static struct alisp_object * F_numeq(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (alisp_compare_type(p1, ALISP_OBJ_INTEGER) &&
+ alisp_compare_type(p2, ALISP_OBJ_INTEGER)) {
+ if (p1->value.i == p2->value.i) {
+ __true:
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_t;
+ }
+ } else if ((alisp_compare_type(p1, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p1, ALISP_OBJ_FLOAT)) &&
+ (alisp_compare_type(p2, ALISP_OBJ_INTEGER) ||
+ alisp_compare_type(p2, ALISP_OBJ_FLOAT))) {
+ double f1, f2;
+ f1 = alisp_compare_type(p1, ALISP_OBJ_INTEGER) ? p1->value.i : p1->value.f;
+ f2 = alisp_compare_type(p2, ALISP_OBJ_INTEGER) ? p2->value.i : p2->value.f;
+ if (f1 == f2)
+ goto __true;
+ } else {
+ lisp_warn(instance, "comparison with a non integer or float operand");
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (!= expr1 expr2)
+ */
+static struct alisp_object * F_numneq(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p;
+
+ p = F_numeq(instance, args);
+ if (p == &alsa_lisp_nil)
+ return &alsa_lisp_t;
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (exfun name)
+ * Test, if a function exists
+ */
+static struct alisp_object * F_exfun(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ p2 = get_object(instance, p1);
+ if (p2 == &alsa_lisp_nil) {
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+ }
+ p2 = car(p2);
+ if (alisp_compare_type(p2, ALISP_OBJ_IDENTIFIER) &&
+ !strcmp(p2->value.s, "lambda")) {
+ delete_tree(instance, p1);
+ return &alsa_lisp_t;
+ }
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+}
+
+static void princ_string(snd_output_t *out, char *s)
+{
+ char *p;
+
+ snd_output_putc(out, '"');
+ for (p = s; *p != '\0'; ++p)
+ switch (*p) {
+ case '\a': snd_output_putc(out, '\\'); snd_output_putc(out, 'a'); break;
+ case '\b': snd_output_putc(out, '\\'); snd_output_putc(out, 'b'); break;
+ case '\f': snd_output_putc(out, '\\'); snd_output_putc(out, 'f'); break;
+ case '\n': snd_output_putc(out, '\\'); snd_output_putc(out, 'n'); break;
+ case '\r': snd_output_putc(out, '\\'); snd_output_putc(out, 'r'); break;
+ case '\t': snd_output_putc(out, '\\'); snd_output_putc(out, 't'); break;
+ case '\v': snd_output_putc(out, '\\'); snd_output_putc(out, 'v'); break;
+ case '"': snd_output_putc(out, '\\'); snd_output_putc(out, '"'); break;
+ default: snd_output_putc(out, *p);
+ }
+ snd_output_putc(out, '"');
+}
+
+static void princ_cons(snd_output_t *out, struct alisp_object * p)
+{
+ do {
+ princ_object(out, p->value.c.car);
+ p = p->value.c.cdr;
+ if (p != &alsa_lisp_nil) {
+ snd_output_putc(out, ' ');
+ if (!alisp_compare_type(p, ALISP_OBJ_CONS)) {
+ snd_output_printf(out, ". ");
+ princ_object(out, p);
+ }
+ }
+ } while (p != &alsa_lisp_nil && alisp_compare_type(p, ALISP_OBJ_CONS));
+}
+
+static void princ_object(snd_output_t *out, struct alisp_object * p)
+{
+ switch (alisp_get_type(p)) {
+ case ALISP_OBJ_NIL:
+ snd_output_printf(out, "nil");
+ break;
+ case ALISP_OBJ_T:
+ snd_output_putc(out, 't');
+ break;
+ case ALISP_OBJ_IDENTIFIER:
+ snd_output_printf(out, "%s", p->value.s);
+ break;
+ case ALISP_OBJ_STRING:
+ princ_string(out, p->value.s);
+ break;
+ case ALISP_OBJ_INTEGER:
+ snd_output_printf(out, "%ld", p->value.i);
+ break;
+ case ALISP_OBJ_FLOAT:
+ snd_output_printf(out, "%f", p->value.f);
+ break;
+ case ALISP_OBJ_POINTER:
+ snd_output_printf(out, "<%p>", p->value.ptr);
+ break;
+ case ALISP_OBJ_CONS:
+ snd_output_putc(out, '(');
+ princ_cons(out, p);
+ snd_output_putc(out, ')');
+ }
+}
+
+/*
+ * Syntax: (princ expr...)
+ */
+static struct alisp_object * F_princ(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1 = NULL, * n;
+
+ do {
+ if (p1)
+ delete_tree(instance, p1);
+ p1 = eval(instance, car(p));
+ if (alisp_compare_type(p1, ALISP_OBJ_STRING))
+ snd_output_printf(instance->out, "%s", p1->value.s);
+ else
+ princ_object(instance->out, p1);
+ n = cdr(p);
+ delete_object(instance, p);
+ p = n;
+ } while (p != &alsa_lisp_nil);
+
+ return p1;
+}
+
+/*
+ * Syntax: (atom expr)
+ */
+static struct alisp_object * F_atom(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p;
+
+ p = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (p == NULL)
+ return NULL;
+
+ switch (alisp_get_type(p)) {
+ case ALISP_OBJ_T:
+ case ALISP_OBJ_NIL:
+ case ALISP_OBJ_INTEGER:
+ case ALISP_OBJ_FLOAT:
+ case ALISP_OBJ_STRING:
+ case ALISP_OBJ_IDENTIFIER:
+ case ALISP_OBJ_POINTER:
+ delete_tree(instance, p);
+ return &alsa_lisp_t;
+ default:
+ break;
+ }
+
+ delete_tree(instance, p);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (cons expr1 expr2)
+ */
+static struct alisp_object * F_cons(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p;
+
+ p = new_object(instance, ALISP_OBJ_CONS);
+ if (p) {
+ p->value.c.car = eval(instance, car(args));
+ p->value.c.cdr = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+ } else {
+ delete_tree(instance, args);
+ }
+
+ return p;
+}
+
+/*
+ * Syntax: (list expr1...)
+ */
+static struct alisp_object * F_list(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * first = NULL, * prev = NULL, * p1;
+
+ if (p == &alsa_lisp_nil)
+ return &alsa_lisp_nil;
+
+ do {
+ p1 = new_object(instance, ALISP_OBJ_CONS);
+ if (p1 == NULL) {
+ delete_tree(instance, p);
+ delete_tree(instance, first);
+ return NULL;
+ }
+ p1->value.c.car = eval(instance, car(p));
+ if (p1->value.c.car == NULL) {
+ delete_tree(instance, first);
+ delete_tree(instance, cdr(p));
+ delete_object(instance, p);
+ return NULL;
+ }
+ if (first == NULL)
+ first = p1;
+ if (prev != NULL)
+ prev->value.c.cdr = p1;
+ prev = p1;
+ p = cdr(p1 = p);
+ delete_object(instance, p1);
+ } while (p != &alsa_lisp_nil);
+
+ return first;
+}
+
+static inline int eq(struct alisp_object * p1, struct alisp_object * p2)
+{
+ return p1 == p2;
+}
+
+static int equal(struct alisp_object * p1, struct alisp_object * p2)
+{
+ int type1, type2;
+
+ if (eq(p1, p2))
+ return 1;
+
+ type1 = alisp_get_type(p1);
+ type2 = alisp_get_type(p2);
+
+ if (type1 == ALISP_OBJ_CONS || type2 == ALISP_OBJ_CONS)
+ return 0;
+
+ if (type1 == type2) {
+ switch (type1) {
+ case ALISP_OBJ_STRING:
+ return !strcmp(p1->value.s, p2->value.s);
+ case ALISP_OBJ_INTEGER:
+ return p1->value.i == p2->value.i;
+ case ALISP_OBJ_FLOAT:
+ return p1->value.i == p2->value.i;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Syntax: (eq expr1 expr2)
+ */
+static struct alisp_object * F_eq(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (eq(p1, p2)) {
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_t;
+ }
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (equal expr1 expr2)
+ */
+static struct alisp_object * F_equal(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (equal(p1, p2)) {
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_t;
+ }
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (quote expr)
+ */
+static struct alisp_object * F_quote(struct alisp_instance *instance ATTRIBUTE_UNUSED, struct alisp_object * args)
+{
+ struct alisp_object *p = car(args);
+
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ return p;
+}
+
+/*
+ * Syntax: (and expr...)
+ */
+static struct alisp_object * F_and(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1 = NULL, * n;
+
+ do {
+ if (p1)
+ delete_tree(instance, p1);
+ p1 = eval(instance, car(p));
+ if (p1 == &alsa_lisp_nil) {
+ delete_tree(instance, p1);
+ delete_tree(instance, cdr(p));
+ delete_object(instance, p);
+ return &alsa_lisp_nil;
+ }
+ p = cdr(n = p);
+ delete_object(instance, n);
+ } while (p != &alsa_lisp_nil);
+
+ return p1;
+}
+
+/*
+ * Syntax: (or expr...)
+ */
+static struct alisp_object * F_or(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1 = NULL, * n;
+
+ do {
+ if (p1)
+ delete_tree(instance, p1);
+ p1 = eval(instance, car(p));
+ if (p1 != &alsa_lisp_nil) {
+ delete_tree(instance, cdr(p));
+ delete_object(instance, p);
+ return p1;
+ }
+ p = cdr(n = p);
+ delete_object(instance, n);
+ } while (p != &alsa_lisp_nil);
+
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (not expr)
+ * Syntax: (null expr)
+ */
+static struct alisp_object * F_not(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = eval(instance, car(args));
+
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (p != &alsa_lisp_nil) {
+ delete_tree(instance, p);
+ return &alsa_lisp_nil;
+ }
+
+ delete_tree(instance, p);
+ return &alsa_lisp_t;
+}
+
+/*
+ * Syntax: (cond (expr1 [expr2])...)
+ */
+static struct alisp_object * F_cond(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1, * p2, * p3;
+
+ do {
+ p1 = car(p);
+ if ((p2 = eval(instance, car(p1))) != &alsa_lisp_nil) {
+ p3 = cdr(p1);
+ delete_object(instance, p1);
+ delete_tree(instance, cdr(p));
+ delete_object(instance, p);
+ if (p3 != &alsa_lisp_nil) {
+ delete_tree(instance, p2);
+ return F_progn(instance, p3);
+ } else {
+ delete_tree(instance, p3);
+ return p2;
+ }
+ } else {
+ delete_tree(instance, p2);
+ delete_tree(instance, cdr(p1));
+ delete_object(instance, p1);
+ }
+ p = cdr(p2 = p);
+ delete_object(instance, p2);
+ } while (p != &alsa_lisp_nil);
+
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (if expr then-expr else-expr...)
+ */
+static struct alisp_object * F_if(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * p3;
+
+ p1 = car(args);
+ p2 = car(cdr(args));
+ p3 = cdr(cdr(args));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ p1 = eval(instance, p1);
+ if (p1 != &alsa_lisp_nil) {
+ delete_tree(instance, p1);
+ delete_tree(instance, p3);
+ return eval(instance, p2);
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return F_progn(instance, p3);
+}
+
+/*
+ * Syntax: (when expr then-expr...)
+ */
+static struct alisp_object * F_when(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = car(args);
+ p2 = cdr(args);
+ delete_object(instance, args);
+ if ((p1 = eval(instance, p1)) != &alsa_lisp_nil) {
+ delete_tree(instance, p1);
+ return F_progn(instance, p2);
+ } else {
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ }
+
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (unless expr else-expr...)
+ */
+static struct alisp_object * F_unless(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2;
+
+ p1 = car(args);
+ p2 = cdr(args);
+ delete_object(instance, args);
+ if ((p1 = eval(instance, p1)) == &alsa_lisp_nil) {
+ return F_progn(instance, p2);
+ } else {
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ }
+
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (while expr exprs...)
+ */
+static struct alisp_object * F_while(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * p3;
+
+ p1 = car(args);
+ p2 = cdr(args);
+
+ delete_object(instance, args);
+ while (1) {
+ incref_tree(instance, p1);
+ if ((p3 = eval(instance, p1)) == &alsa_lisp_nil)
+ break;
+ delete_tree(instance, p3);
+ incref_tree(instance, p2);
+ delete_tree(instance, F_progn(instance, p2));
+ }
+
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (progn expr...)
+ */
+static struct alisp_object * F_progn(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1 = NULL, * n;
+
+ do {
+ if (p1)
+ delete_tree(instance, p1);
+ p1 = eval(instance, car(p));
+ n = cdr(p);
+ delete_object(instance, p);
+ p = n;
+ } while (p != &alsa_lisp_nil);
+
+ return p1;
+}
+
+/*
+ * Syntax: (prog1 expr...)
+ */
+static struct alisp_object * F_prog1(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * first = NULL, * p1;
+
+ do {
+ p1 = eval(instance, car(p));
+ if (first == NULL)
+ first = p1;
+ else
+ delete_tree(instance, p1);
+ p1 = cdr(p);
+ delete_object(instance, p);
+ p = p1;
+ } while (p != &alsa_lisp_nil);
+
+ if (first == NULL)
+ first = &alsa_lisp_nil;
+
+ return first;
+}
+
+/*
+ * Syntax: (prog2 expr...)
+ */
+static struct alisp_object * F_prog2(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * second = NULL, * p1;
+ int i = 0;
+
+ do {
+ ++i;
+ p1 = eval(instance, car(p));
+ if (i == 2)
+ second = p1;
+ else
+ delete_tree(instance, p1);
+ p1 = cdr(p);
+ delete_object(instance, p);
+ p = p1;
+ } while (p != &alsa_lisp_nil);
+
+ if (second == NULL)
+ second = &alsa_lisp_nil;
+
+ return second;
+}
+
+/*
+ * Syntax: (set name value)
+ */
+static struct alisp_object * F_set(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1 = eval(instance, car(args)),
+ * p2 = eval(instance, car(cdr(args)));
+
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+ if (!check_set_object(instance, p1)) {
+ delete_tree(instance, p2);
+ p2 = &alsa_lisp_nil;
+ } else {
+ if (set_object(instance, p1, p2) == NULL) {
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return NULL;
+ }
+ }
+ delete_tree(instance, p1);
+ return incref_tree(instance, p2);
+}
+
+/*
+ * Syntax: (unset name)
+ */
+static struct alisp_object * F_unset(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1 = eval(instance, car(args));
+
+ delete_tree(instance, unset_object(instance, p1));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ return p1;
+}
+
+/*
+ * Syntax: (setq name value...)
+ * Syntax: (setf name value...)
+ * `name' is not evalled
+ */
+static struct alisp_object * F_setq(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1, * p2 = NULL, *n;
+
+ do {
+ p1 = car(p);
+ p2 = eval(instance, car(cdr(p)));
+ n = cdr(cdr(p));
+ delete_object(instance, cdr(p));
+ delete_object(instance, p);
+ if (!check_set_object(instance, p1)) {
+ delete_tree(instance, p2);
+ p2 = &alsa_lisp_nil;
+ } else {
+ if (set_object(instance, p1, p2) == NULL) {
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return NULL;
+ }
+ }
+ delete_tree(instance, p1);
+ p = n;
+ } while (p != &alsa_lisp_nil);
+
+ return incref_tree(instance, p2);
+}
+
+/*
+ * Syntax: (unsetq name...)
+ * Syntax: (unsetf name...)
+ * `name' is not evalled
+ */
+static struct alisp_object * F_unsetq(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1 = NULL, * n;
+
+ do {
+ if (p1)
+ delete_tree(instance, p1);
+ p1 = unset_object(instance, car(p));
+ delete_tree(instance, car(p));
+ p = cdr(n = p);
+ delete_object(instance, n);
+ } while (p != &alsa_lisp_nil);
+
+ return p1;
+}
+
+/*
+ * Syntax: (defun name arglist expr...)
+ * `name' is not evalled
+ * `arglist' is not evalled
+ */
+static struct alisp_object * F_defun(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1 = car(args),
+ * p2 = car(cdr(args)),
+ * p3 = cdr(cdr(args));
+ struct alisp_object * lexpr;
+
+ lexpr = new_object(instance, ALISP_OBJ_CONS);
+ if (lexpr) {
+ lexpr->value.c.car = new_identifier(instance, "lambda");
+ if (lexpr->value.c.car == NULL) {
+ delete_object(instance, lexpr);
+ delete_tree(instance, args);
+ return NULL;
+ }
+ if ((lexpr->value.c.cdr = new_object(instance, ALISP_OBJ_CONS)) == NULL) {
+ delete_object(instance, lexpr->value.c.car);
+ delete_object(instance, lexpr);
+ delete_tree(instance, args);
+ return NULL;
+ }
+ lexpr->value.c.cdr->value.c.car = p2;
+ lexpr->value.c.cdr->value.c.cdr = p3;
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+ if (set_object(instance, p1, lexpr) == NULL) {
+ delete_tree(instance, p1);
+ delete_tree(instance, lexpr);
+ return NULL;
+ }
+ delete_tree(instance, p1);
+ } else {
+ delete_tree(instance, args);
+ }
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * eval_func(struct alisp_instance *instance, struct alisp_object * p, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * p3, * p4;
+ struct alisp_object ** eval_objs, ** save_objs;
+ int i;
+
+ p1 = car(p);
+ if (alisp_compare_type(p1, ALISP_OBJ_IDENTIFIER) &&
+ !strcmp(p1->value.s, "lambda")) {
+ p2 = car(cdr(p));
+ p3 = args;
+
+ if ((i = count_list(p2)) != count_list(p3)) {
+ lisp_warn(instance, "wrong number of parameters");
+ goto _delete;
+ }
+
+ eval_objs = malloc(2 * i * sizeof(struct alisp_object *));
+ if (eval_objs == NULL) {
+ nomem();
+ goto _delete;
+ }
+ save_objs = eval_objs + i;
+
+ /*
+ * Save the new variable values.
+ */
+ i = 0;
+ while (p3 != &alsa_lisp_nil) {
+ eval_objs[i++] = eval(instance, car(p3));
+ p3 = cdr(p4 = p3);
+ delete_object(instance, p4);
+ }
+
+ /*
+ * Save the old variable values and set the new ones.
+ */
+ i = 0;
+ while (p2 != &alsa_lisp_nil) {
+ p3 = car(p2);
+ save_objs[i] = replace_object(instance, p3, eval_objs[i]);
+ if (save_objs[i] == NULL &&
+ set_object_direct(instance, p3, eval_objs[i]) == NULL) {
+ p4 = NULL;
+ goto _end;
+ }
+ p2 = cdr(p2);
+ ++i;
+ }
+
+ p4 = F_progn(instance, cdr(incref_tree(instance, p3 = cdr(p))));
+
+ /*
+ * Restore the old variable values.
+ */
+ p2 = car(p3);
+ delete_object(instance, p3);
+ i = 0;
+ while (p2 != &alsa_lisp_nil) {
+ p3 = car(p2);
+ if (save_objs[i] == NULL) {
+ p3 = unset_object(instance, p3);
+ } else {
+ p3 = replace_object(instance, p3, save_objs[i]);
+ }
+ i++;
+ delete_tree(instance, p3);
+ delete_tree(instance, car(p2));
+ p2 = cdr(p3 = p2);
+ delete_object(instance, p3);
+ }
+
+ _end:
+ free(eval_objs);
+
+ return p4;
+ } else {
+ _delete:
+ delete_tree(instance, args);
+ }
+ return &alsa_lisp_nil;
+}
+
+struct alisp_object * F_gc(struct alisp_instance *instance ATTRIBUTE_UNUSED, struct alisp_object * args ATTRIBUTE_UNUSED)
+{
+ /* improved: no more traditional gc */
+ return &alsa_lisp_t;
+}
+
+/*
+ * Syntax: (path what)
+ * what is string ('data')
+ */
+struct alisp_object * F_path(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (!alisp_compare_type(p1, ALISP_OBJ_STRING)) {
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+ }
+ if (!strcmp(p1->value.s, "data")) {
+ delete_tree(instance, p1);
+ return new_string(instance, ALSA_CONFIG_DIR);
+ }
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (include filename...)
+ */
+struct alisp_object * F_include(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1;
+ int res = -ENOENT;
+
+ do {
+ p1 = eval(instance, car(p));
+ if (alisp_compare_type(p1, ALISP_OBJ_STRING))
+ res = alisp_include_file(instance, p1->value.s);
+ delete_tree(instance, p1);
+ p = cdr(p1 = p);
+ delete_object(instance, p1);
+ } while (p != &alsa_lisp_nil);
+
+ return new_integer(instance, res);
+}
+
+/*
+ * Syntax: (string-to-integer value)
+ * 'value' can be integer or float type
+ */
+struct alisp_object * F_string_to_integer(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = eval(instance, car(args)), * p1;
+
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (alisp_compare_type(p, ALISP_OBJ_INTEGER))
+ return p;
+ if (alisp_compare_type(p, ALISP_OBJ_FLOAT)) {
+ p1 = new_integer(instance, floor(p->value.f));
+ } else {
+ lisp_warn(instance, "expected an integer or float for integer conversion");
+ p1 = &alsa_lisp_nil;
+ }
+ delete_tree(instance, p);
+ return p1;
+}
+
+/*
+ * Syntax: (string-to-float value)
+ * 'value' can be integer or float type
+ */
+struct alisp_object * F_string_to_float(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = eval(instance, car(args)), * p1;
+
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (alisp_compare_type(p, ALISP_OBJ_FLOAT))
+ return p;
+ if (alisp_compare_type(p, ALISP_OBJ_INTEGER)) {
+ p1 = new_float(instance, p->value.i);
+ } else {
+ lisp_warn(instance, "expected an integer or float for integer conversion");
+ p1 = &alsa_lisp_nil;
+ }
+ delete_tree(instance, p);
+ return p1;
+}
+
+static int append_to_string(char **s, int *len, char *from, int size)
+{
+ if (*len == 0) {
+ *s = malloc(*len = size + 1);
+ if (*s == NULL) {
+ nomem();
+ return -ENOMEM;
+ }
+ memcpy(*s, from, size);
+ } else {
+ *len += size;
+ *s = realloc(*s, *len);
+ if (*s == NULL) {
+ nomem();
+ return -ENOMEM;
+ }
+ memcpy(*s + strlen(*s), from, size);
+ }
+ (*s)[*len - 1] = '\0';
+ return 0;
+}
+
+static int format_parse_char(struct alisp_instance *instance, char **s, int *len, struct alisp_object *p)
+{
+ char b;
+
+ if (!alisp_compare_type(p, ALISP_OBJ_INTEGER)) {
+ lisp_warn(instance, "format: expected integer\n");
+ return 0;
+ }
+ b = p->value.i;
+ return append_to_string(s, len, &b, 1);
+}
+
+static int format_parse_integer(struct alisp_instance *instance, char **s, int *len, struct alisp_object *p)
+{
+ int res;
+ char *s1;
+
+ if (!alisp_compare_type(p, ALISP_OBJ_INTEGER) &&
+ !alisp_compare_type(p, ALISP_OBJ_FLOAT)) {
+ lisp_warn(instance, "format: expected integer or float\n");
+ return 0;
+ }
+ s1 = malloc(64);
+ if (s1 == NULL) {
+ nomem();
+ return -ENOMEM;
+ }
+ sprintf(s1, "%li", alisp_compare_type(p, ALISP_OBJ_FLOAT) ? (long)floor(p->value.f) : p->value.i);
+ res = append_to_string(s, len, s1, strlen(s1));
+ free(s1);
+ return res;
+}
+
+static int format_parse_float(struct alisp_instance *instance, char **s, int *len, struct alisp_object *p)
+{
+ int res;
+ char *s1;
+
+ if (!alisp_compare_type(p, ALISP_OBJ_INTEGER) &&
+ !alisp_compare_type(p, ALISP_OBJ_FLOAT)) {
+ lisp_warn(instance, "format: expected integer or float\n");
+ return 0;
+ }
+ s1 = malloc(64);
+ if (s1 == NULL) {
+ nomem();
+ return -ENOMEM;
+ }
+ sprintf(s1, "%f", alisp_compare_type(p, ALISP_OBJ_FLOAT) ? p->value.f : (double)p->value.i);
+ res = append_to_string(s, len, s1, strlen(s1));
+ free(s1);
+ return res;
+}
+
+static int format_parse_string(struct alisp_instance *instance, char **s, int *len, struct alisp_object *p)
+{
+ if (!alisp_compare_type(p, ALISP_OBJ_STRING)) {
+ lisp_warn(instance, "format: expected string\n");
+ return 0;
+ }
+ return append_to_string(s, len, p->value.s, strlen(p->value.s));
+}
+
+/*
+ * Syntax: (format format value...)
+ * 'format' is C-like format string
+ */
+struct alisp_object * F_format(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = eval(instance, car(args)), * p1 = cdr(args), * n;
+ char *s, *s1, *s2;
+ int len;
+
+ delete_object(instance, args);
+ if (!alisp_compare_type(p, ALISP_OBJ_STRING)) {
+ delete_tree(instance, p1);
+ delete_tree(instance, p);
+ lisp_warn(instance, "format: expected an format string");
+ return &alsa_lisp_nil;
+ }
+ s = p->value.s;
+ s1 = NULL;
+ len = 0;
+ n = eval(instance, car(p1));
+ do {
+ while (1) {
+ s2 = s;
+ while (*s2 && *s2 != '%')
+ s2++;
+ if (s2 != s) {
+ if (append_to_string(&s1, &len, s, s2 - s) < 0) {
+ __error:
+ delete_tree(instance, n);
+ delete_tree(instance, cdr(p1));
+ delete_object(instance, p1);
+ delete_tree(instance, p);
+ return NULL;
+ }
+ }
+ if (*s2 == '%')
+ s2++;
+ switch (*s2) {
+ case '%':
+ if (append_to_string(&s1, &len, s2, 1) < 0)
+ goto __error;
+ s = s2 + 1;
+ break;
+ case 'c':
+ if (format_parse_char(instance, &s1, &len, n) < 0)
+ goto __error;
+ s = s2 + 1;
+ goto __next;
+ case 'd':
+ case 'i':
+ if (format_parse_integer(instance, &s1, &len, n) < 0)
+ goto __error;
+ s = s2 + 1;
+ goto __next;
+ case 'f':
+ if (format_parse_float(instance, &s1, &len, n) < 0)
+ goto __error;
+ s = s2 + 1;
+ goto __next;
+ case 's':
+ if (format_parse_string(instance, &s1, &len, n) < 0)
+ goto __error;
+ s = s2 + 1;
+ goto __next;
+ case '\0':
+ goto __end;
+ default:
+ lisp_warn(instance, "unknown format char '%c'", *s2);
+ s = s2 + 1;
+ goto __next;
+ }
+ }
+ __next:
+ delete_tree(instance, n);
+ p1 = cdr(n = p1);
+ delete_object(instance, n);
+ n = eval(instance, car(p1));
+ } while (*s);
+ __end:
+ delete_tree(instance, n);
+ delete_tree(instance, cdr(p1));
+ delete_object(instance, p1);
+ delete_tree(instance, p);
+ if (len > 0) {
+ p1 = new_string(instance, s1);
+ free(s1);
+ } else {
+ p1 = &alsa_lisp_nil;
+ }
+ return p1;
+}
+
+/*
+ * Syntax: (compare-strings str1 start1 end1 str2 start2 end2 /opt-case-insensitive)
+ * 'str1' is first compared string
+ * 'start1' is first char (0..)
+ * 'end1' is last char (0..)
+ * 'str2' is second compared string
+ * 'start2' is first char (0..)
+ * 'end2' is last char (0..)
+ * /opt-case-insensitive true - case insensitive match
+ */
+struct alisp_object * F_compare_strings(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1 = args, * n, * p[7];
+ char *s1, *s2;
+ int start1, end1, start2, end2;
+
+ for (start1 = 0; start1 < 7; start1++) {
+ p[start1] = eval(instance, car(p1));
+ p1 = cdr(n = p1);
+ delete_object(instance, n);
+ }
+ delete_tree(instance, p1);
+ if (alisp_compare_type(p[0], ALISP_OBJ_STRING)) {
+ lisp_warn(instance, "compare-strings: first argument must be string\n");
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ if (alisp_compare_type(p[1], ALISP_OBJ_INTEGER)) {
+ lisp_warn(instance, "compare-strings: second argument must be integer\n");
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ if (alisp_compare_type(p[2], ALISP_OBJ_INTEGER)) {
+ lisp_warn(instance, "compare-strings: third argument must be integer\n");
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ if (alisp_compare_type(p[3], ALISP_OBJ_STRING)) {
+ lisp_warn(instance, "compare-strings: fifth argument must be string\n");
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ if (!alisp_compare_type(p[4], ALISP_OBJ_NIL) &&
+ !alisp_compare_type(p[4], ALISP_OBJ_INTEGER)) {
+ lisp_warn(instance, "compare-strings: fourth argument must be integer\n");
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ if (!alisp_compare_type(p[5], ALISP_OBJ_NIL) &&
+ !alisp_compare_type(p[5], ALISP_OBJ_INTEGER)) {
+ lisp_warn(instance, "compare-strings: sixth argument must be integer\n");
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ s1 = p[0]->value.s;
+ start1 = p[1]->value.i;
+ end1 = p[2]->value.i;
+ s2 = p[3]->value.s;
+ start2 = alisp_compare_type(p[4], ALISP_OBJ_NIL) ? 0 : p[4]->value.i;
+ end2 = alisp_compare_type(p[5], ALISP_OBJ_NIL) ? start2 + (end1 - start1) : p[5]->value.i;
+ if (start1 < 0 || start2 < 0 || end1 < 0 || end2 < 0 ||
+ start1 >= (int)strlen(s1) || start2 >= (int)strlen(s2) ||
+ (end1 - start1) != (end2 - start2)) {
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ if (p[6] != &alsa_lisp_nil) {
+ while (start1 < end1) {
+ if (s1[start1] == '\0' ||
+ s2[start2] == '\0' ||
+ tolower(s1[start1]) != tolower(s2[start2])) {
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ start1++;
+ start2++;
+ }
+ } else {
+ while (start1 < end1) {
+ if (s1[start1] == '\0' ||
+ s2[start2] == '\0' ||
+ s1[start1] != s2[start2]) {
+ p1 = &alsa_lisp_nil;
+ goto __err;
+ }
+ start1++;
+ start2++;
+ }
+ }
+ p1 = &alsa_lisp_t;
+
+ __err:
+ for (start1 = 0; start1 < 7; start1++)
+ delete_tree(instance, p[start1]);
+ return p1;
+}
+
+/*
+ * Syntax: (assoc key alist)
+ */
+struct alisp_object * F_assoc(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * n;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ do {
+ if (eq(p1, car(car(p2)))) {
+ n = car(p2);
+ delete_tree(instance, p1);
+ delete_tree(instance, cdr(p2));
+ delete_object(instance, p2);
+ return n;
+ }
+ delete_tree(instance, car(p2));
+ p2 = cdr(n = p2);
+ delete_object(instance, n);
+ } while (p2 != &alsa_lisp_nil);
+
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (rassoc value alist)
+ */
+struct alisp_object * F_rassoc(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, *p2, * n;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ do {
+ if (eq(p1, cdr(car(p2)))) {
+ n = car(p2);
+ delete_tree(instance, p1);
+ delete_tree(instance, cdr(p2));
+ delete_object(instance, p2);
+ return n;
+ }
+ delete_tree(instance, car(p2));
+ p2 = cdr(n = p2);
+ delete_object(instance, n);
+ } while (p2 != &alsa_lisp_nil);
+
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (assq key alist)
+ */
+struct alisp_object * F_assq(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * n;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ do {
+ if (equal(p1, car(car(p2)))) {
+ n = car(p2);
+ delete_tree(instance, p1);
+ delete_tree(instance, cdr(p2));
+ delete_object(instance, p2);
+ return n;
+ }
+ delete_tree(instance, car(p2));
+ p2 = cdr(n = p2);
+ delete_object(instance, n);
+ } while (p2 != &alsa_lisp_nil);
+
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (nth index alist)
+ */
+struct alisp_object * F_nth(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * n;
+ long idx;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ if (!alisp_compare_type(p1, ALISP_OBJ_INTEGER)) {
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+ }
+ if (!alisp_compare_type(p2, ALISP_OBJ_CONS)) {
+ delete_object(instance, p1);
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+ }
+ idx = p1->value.i;
+ delete_object(instance, p1);
+ while (idx-- > 0) {
+ delete_tree(instance, car(p2));
+ p2 = cdr(n = p2);
+ delete_object(instance, n);
+ }
+ n = car(p2);
+ delete_tree(instance, cdr(p2));
+ delete_object(instance, p2);
+ return n;
+}
+
+/*
+ * Syntax: (rassq value alist)
+ */
+struct alisp_object * F_rassq(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, * p2, * n;
+
+ p1 = eval(instance, car(args));
+ p2 = eval(instance, car(cdr(args)));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+
+ do {
+ if (equal(p1, cdr(car(p2)))) {
+ n = car(p2);
+ delete_tree(instance, p1);
+ delete_tree(instance, cdr(p2));
+ delete_object(instance, p2);
+ return n;
+ }
+ delete_tree(instance, car(p2));
+ p2 = cdr(n = p2);
+ delete_object(instance, n);
+ } while (p2 != &alsa_lisp_nil);
+
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * F_dump_memory(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = car(args);
+
+ if (p != &alsa_lisp_nil && cdr(args) == &alsa_lisp_nil &&
+ alisp_compare_type(p, ALISP_OBJ_STRING)) {
+ if (strlen(p->value.s) > 0) {
+ dump_objects(instance, p->value.s);
+ delete_tree(instance, args);
+ return &alsa_lisp_t;
+ } else
+ lisp_warn(instance, "expected filename");
+ } else
+ lisp_warn(instance, "wrong number of parameters (expected string)");
+
+ delete_tree(instance, args);
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * F_stat_memory(struct alisp_instance *instance, struct alisp_object * args)
+{
+ snd_output_printf(instance->out, "*** Memory stats\n");
+ snd_output_printf(instance->out, " used_objs = %li, free_objs = %li, max_objs = %li, obj_size = %i (total bytes = %li, max bytes = %li)\n",
+ instance->used_objs,
+ instance->free_objs,
+ instance->max_objs,
+ (int)sizeof(struct alisp_object),
+ (long)((instance->used_objs + instance->free_objs) * sizeof(struct alisp_object)),
+ (long)(instance->max_objs * sizeof(struct alisp_object)));
+ delete_tree(instance, args);
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * F_check_memory(struct alisp_instance *instance, struct alisp_object * args)
+{
+ delete_tree(instance, args);
+ if (instance->used_objs > 0) {
+ fprintf(stderr, "!!!alsa lisp - check memory failed!!!\n");
+ F_stat_memory(instance, &alsa_lisp_nil);
+ exit(EXIT_FAILURE);
+ }
+ return &alsa_lisp_t;
+}
+
+static struct alisp_object * F_dump_objects(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = car(args);
+
+ if (p != &alsa_lisp_nil && cdr(args) == &alsa_lisp_nil &&
+ alisp_compare_type(p, ALISP_OBJ_STRING)) {
+ if (strlen(p->value.s) > 0) {
+ dump_obj_lists(instance, p->value.s);
+ delete_tree(instance, args);
+ return &alsa_lisp_t;
+ } else
+ lisp_warn(instance, "expected filename");
+ } else
+ lisp_warn(instance, "wrong number of parameters (expected string)");
+
+ delete_tree(instance, args);
+ return &alsa_lisp_nil;
+}
+
+struct intrinsic {
+ const char *name;
+ struct alisp_object * (*func)(struct alisp_instance *instance, struct alisp_object * args);
+};
+
+static const struct intrinsic intrinsics[] = {
+ { "!=", F_numneq },
+ { "%", F_mod },
+ { "&check-memory", F_check_memory },
+ { "&dump-memory", F_dump_memory },
+ { "&dump-objects", F_dump_objects },
+ { "&stat-memory", F_stat_memory },
+ { "*", F_mul },
+ { "+", F_add },
+ { "-", F_sub },
+ { "/", F_div },
+ { "<", F_lt },
+ { "<=", F_le },
+ { "=", F_numeq },
+ { ">", F_gt },
+ { ">=", F_ge },
+ { "and", F_and },
+ { "assoc", F_assoc },
+ { "assq", F_assq },
+ { "atom", F_atom },
+ { "car", F_car },
+ { "cdr", F_cdr },
+ { "compare-strings", F_compare_strings },
+ { "concat", F_concat },
+ { "cond", F_cond },
+ { "cons", F_cons },
+ { "defun", F_defun },
+ { "eq", F_eq },
+ { "equal", F_equal },
+ { "eval", F_eval },
+ { "exfun", F_exfun },
+ { "format", F_format },
+ { "funcall", F_funcall },
+ { "garbage-collect", F_gc },
+ { "gc", F_gc },
+ { "if", F_if },
+ { "include", F_include },
+ { "list", F_list },
+ { "not", F_not },
+ { "nth", F_nth },
+ { "null", F_not },
+ { "or", F_or },
+ { "path", F_path },
+ { "princ", F_princ },
+ { "prog1", F_prog1 },
+ { "prog2", F_prog2 },
+ { "progn", F_progn },
+ { "quote", F_quote },
+ { "rassoc", F_rassoc },
+ { "rassq", F_rassq },
+ { "set", F_set },
+ { "setf", F_setq },
+ { "setq", F_setq },
+ { "string-equal", F_equal },
+ { "string-to-float", F_string_to_float },
+ { "string-to-integer", F_string_to_integer },
+ { "string-to-number", F_string_to_float },
+ { "string=", F_equal },
+ { "unless", F_unless },
+ { "unset", F_unset },
+ { "unsetf", F_unsetq },
+ { "unsetq", F_unsetq },
+ { "when", F_when },
+ { "while", F_while },
+};
+
+#include "alisp_snd.c"
+
+static int compar(const void *p1, const void *p2)
+{
+ return strcmp(((struct intrinsic *)p1)->name,
+ ((struct intrinsic *)p2)->name);
+}
+
+static inline struct alisp_object * eval_cons1(struct alisp_instance *instance, struct alisp_object * p1, struct alisp_object * p2)
+{
+ struct alisp_object * p3;
+ struct intrinsic key, *item;
+
+ key.name = p1->value.s;
+
+ if ((item = bsearch(&key, intrinsics,
+ sizeof intrinsics / sizeof intrinsics[0],
+ sizeof intrinsics[0], compar)) != NULL) {
+ delete_object(instance, p1);
+ return item->func(instance, p2);
+ }
+
+ if ((item = bsearch(&key, snd_intrinsics,
+ sizeof snd_intrinsics / sizeof snd_intrinsics[0],
+ sizeof snd_intrinsics[0], compar)) != NULL) {
+ delete_object(instance, p1);
+ return item->func(instance, p2);
+ }
+
+ if ((p3 = get_object(instance, p1)) != &alsa_lisp_nil) {
+ delete_object(instance, p1);
+ return eval_func(instance, p3, p2);
+ } else {
+ lisp_warn(instance, "function `%s' is undefined", p1->value.s);
+ delete_object(instance, p1);
+ delete_tree(instance, p2);
+ }
+
+ return &alsa_lisp_nil;
+}
+
+/*
+ * Syntax: (funcall function args...)
+ */
+static struct alisp_object * F_funcall(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = eval(instance, car(args)), * p1;
+
+ if (!alisp_compare_type(p, ALISP_OBJ_IDENTIFIER) &&
+ !alisp_compare_type(p, ALISP_OBJ_STRING)) {
+ lisp_warn(instance, "expected an function name");
+ delete_tree(instance, p);
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ return &alsa_lisp_nil;
+ }
+ p1 = cdr(args);
+ delete_object(instance, args);
+ return eval_cons1(instance, p, p1);
+}
+
+static inline struct alisp_object * eval_cons(struct alisp_instance *instance, struct alisp_object * p)
+{
+ struct alisp_object * p1 = car(p), * p2;
+
+ if (p1 != &alsa_lisp_nil && alisp_compare_type(p1, ALISP_OBJ_IDENTIFIER)) {
+ if (!strcmp(p1->value.s, "lambda"))
+ return p;
+
+ p2 = cdr(p);
+ delete_object(instance, p);
+ return eval_cons1(instance, p1, p2);
+ } else {
+ delete_tree(instance, p);
+ }
+
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * eval(struct alisp_instance *instance, struct alisp_object * p)
+{
+ switch (alisp_get_type(p)) {
+ case ALISP_OBJ_IDENTIFIER: {
+ struct alisp_object *r = incref_tree(instance, get_object(instance, p));
+ delete_object(instance, p);
+ return r;
+ }
+ case ALISP_OBJ_INTEGER:
+ case ALISP_OBJ_FLOAT:
+ case ALISP_OBJ_STRING:
+ case ALISP_OBJ_POINTER:
+ return p;
+ case ALISP_OBJ_CONS:
+ return eval_cons(instance, p);
+ default:
+ break;
+ }
+
+ return p;
+}
+
+static struct alisp_object * F_eval(struct alisp_instance *instance, struct alisp_object * args)
+{
+ return eval(instance, eval(instance, car(args)));
+}
+
+/*
+ * main routine
+ */
+
+static int alisp_include_file(struct alisp_instance *instance, const char *filename)
+{
+ snd_input_t *old_in;
+ struct alisp_object *p, *p1;
+ char *name;
+ int retval = 0, err;
+
+ err = snd_user_file(filename, &name);
+ if (err < 0)
+ return err;
+ old_in = instance->in;
+ err = snd_input_stdio_open(&instance->in, name, "r");
+ if (err < 0) {
+ retval = err;
+ goto _err;
+ }
+ if (instance->verbose)
+ lisp_verbose(instance, "** include filename '%s'", name);
+
+ for (;;) {
+ if ((p = parse_object(instance, 0)) == NULL)
+ break;
+ if (instance->verbose) {
+ lisp_verbose(instance, "** code");
+ princ_object(instance->vout, p);
+ snd_output_putc(instance->vout, '\n');
+ }
+ p1 = eval(instance, p);
+ if (p1 == NULL) {
+ retval = -ENOMEM;
+ break;
+ }
+ if (instance->verbose) {
+ lisp_verbose(instance, "** result");
+ princ_object(instance->vout, p1);
+ snd_output_putc(instance->vout, '\n');
+ }
+ delete_tree(instance, p1);
+ if (instance->debug) {
+ lisp_debug(instance, "** objects after operation");
+ print_obj_lists(instance, instance->dout);
+ }
+ }
+
+ snd_input_close(instance->in);
+ _err:
+ free(name);
+ instance->in = old_in;
+ return retval;
+}
+
+int alsa_lisp(struct alisp_cfg *cfg, struct alisp_instance **_instance)
+{
+ struct alisp_instance *instance;
+ struct alisp_object *p, *p1;
+ int i, j, retval = 0;
+
+ instance = (struct alisp_instance *)calloc(1, sizeof(struct alisp_instance));
+ if (instance == NULL) {
+ nomem();
+ return -ENOMEM;
+ }
+ instance->verbose = cfg->verbose && cfg->vout;
+ instance->warning = cfg->warning && cfg->wout;
+ instance->debug = cfg->debug && cfg->dout;
+ instance->in = cfg->in;
+ instance->out = cfg->out;
+ instance->vout = cfg->vout;
+ instance->eout = cfg->eout;
+ instance->wout = cfg->wout;
+ instance->dout = cfg->dout;
+ INIT_LIST_HEAD(&instance->free_objs_list);
+ for (i = 0; i < ALISP_OBJ_PAIR_HASH_SIZE; i++) {
+ for (j = 0; j <= ALISP_OBJ_LAST_SEARCH; j++)
+ INIT_LIST_HEAD(&instance->used_objs_list[i][j]);
+ INIT_LIST_HEAD(&instance->setobjs_list[i]);
+ }
+
+ init_lex(instance);
+
+ for (;;) {
+ if ((p = parse_object(instance, 0)) == NULL)
+ break;
+ if (instance->verbose) {
+ lisp_verbose(instance, "** code");
+ princ_object(instance->vout, p);
+ snd_output_putc(instance->vout, '\n');
+ }
+ p1 = eval(instance, p);
+ if (p1 == NULL) {
+ retval = -ENOMEM;
+ break;
+ }
+ if (instance->verbose) {
+ lisp_verbose(instance, "** result");
+ princ_object(instance->vout, p1);
+ snd_output_putc(instance->vout, '\n');
+ }
+ delete_tree(instance, p1);
+ if (instance->debug) {
+ lisp_debug(instance, "** objects after operation");
+ print_obj_lists(instance, instance->dout);
+ }
+ }
+
+ if (_instance)
+ *_instance = instance;
+ else
+ alsa_lisp_free(instance);
+
+ return retval;
+}
+
+void alsa_lisp_free(struct alisp_instance *instance)
+{
+ if (instance == NULL)
+ return;
+ done_lex(instance);
+ free_objects(instance);
+ free(instance);
+}
+
+struct alisp_cfg *alsa_lisp_default_cfg(snd_input_t *input)
+{
+ snd_output_t *output, *eoutput;
+ struct alisp_cfg *cfg;
+ int err;
+
+ err = snd_output_stdio_attach(&output, stdout, 0);
+ if (err < 0)
+ return NULL;
+ err = snd_output_stdio_attach(&eoutput, stderr, 0);
+ if (err < 0) {
+ snd_output_close(output);
+ return NULL;
+ }
+ cfg = calloc(1, sizeof(struct alisp_cfg));
+ if (cfg == NULL) {
+ snd_output_close(eoutput);
+ snd_output_close(output);
+ return NULL;
+ }
+ cfg->out = output;
+ cfg->wout = eoutput;
+ cfg->eout = eoutput;
+ cfg->dout = eoutput;
+ cfg->in = input;
+ return cfg;
+}
+
+void alsa_lisp_default_cfg_free(struct alisp_cfg *cfg)
+{
+ snd_input_close(cfg->in);
+ snd_output_close(cfg->out);
+ snd_output_close(cfg->dout);
+ free(cfg);
+}
+
+int alsa_lisp_function(struct alisp_instance *instance, struct alisp_seq_iterator **result,
+ const char *id, const char *args, ...)
+{
+ int err = 0;
+ struct alisp_object *aargs = NULL, *obj, *res;
+
+ if (args && *args != 'n') {
+ va_list ap;
+ struct alisp_object *p;
+ p = NULL;
+ va_start(ap, args);
+ while (*args) {
+ if (*args++ != '%') {
+ err = -EINVAL;
+ break;
+ }
+ if (*args == '\0') {
+ err = -EINVAL;
+ break;
+ }
+ obj = NULL;
+ err = 0;
+ switch (*args++) {
+ case 's':
+ obj = new_string(instance, va_arg(ap, char *));
+ break;
+ case 'i':
+ obj = new_integer(instance, va_arg(ap, int));
+ break;
+ case 'l':
+ obj = new_integer(instance, va_arg(ap, long));
+ break;
+ case 'f':
+ case 'd':
+ obj = new_integer(instance, va_arg(ap, double));
+ break;
+ case 'p': {
+ char _ptrid[24];
+ char *ptrid = _ptrid;
+ while (*args && *args != '%')
+ *ptrid++ = *args++;
+ *ptrid = 0;
+ if (ptrid == _ptrid) {
+ err = -EINVAL;
+ break;
+ }
+ obj = new_cons_pointer(instance, _ptrid, va_arg(ap, void *));
+ obj = quote_object(instance, obj);
+ break;
+ }
+ default:
+ err = -EINVAL;
+ break;
+ }
+ if (err < 0)
+ goto __args_end;
+ if (obj == NULL) {
+ err = -ENOMEM;
+ goto __args_end;
+ }
+ if (p == NULL) {
+ p = aargs = new_object(instance, ALISP_OBJ_CONS);
+ } else {
+ p->value.c.cdr = new_object(instance, ALISP_OBJ_CONS);
+ p = p->value.c.cdr;
+ }
+ if (p == NULL) {
+ err = -ENOMEM;
+ goto __args_end;
+ }
+ p->value.c.car = obj;
+ }
+ __args_end:
+ va_end(ap);
+ if (err < 0)
+ return err;
+#if 0
+ snd_output_printf(instance->wout, ">>>");
+ princ_object(instance->wout, aargs);
+ snd_output_printf(instance->wout, "<<<\n");
+#endif
+ }
+
+ err = -ENOENT;
+ if (aargs == NULL)
+ aargs = &alsa_lisp_nil;
+ if ((obj = get_object1(instance, id)) != &alsa_lisp_nil) {
+ res = eval_func(instance, obj, aargs);
+ err = 0;
+ } else {
+ struct intrinsic key, *item;
+ key.name = id;
+ if ((item = bsearch(&key, intrinsics,
+ sizeof intrinsics / sizeof intrinsics[0],
+ sizeof intrinsics[0], compar)) != NULL) {
+ res = item->func(instance, aargs);
+ err = 0;
+ } else if ((item = bsearch(&key, snd_intrinsics,
+ sizeof snd_intrinsics / sizeof snd_intrinsics[0],
+ sizeof snd_intrinsics[0], compar)) != NULL) {
+ res = item->func(instance, aargs);
+ err = 0;
+ } else {
+ res = &alsa_lisp_nil;
+ }
+ }
+ if (res == NULL)
+ err = -ENOMEM;
+ if (err == 0 && result) {
+ *result = res;
+ } else {
+ delete_tree(instance, res);
+ }
+
+ return 0;
+}
+
+void alsa_lisp_result_free(struct alisp_instance *instance,
+ struct alisp_seq_iterator *result)
+{
+ delete_tree(instance, result);
+}
+
+int alsa_lisp_seq_first(struct alisp_instance *instance, const char *id,
+ struct alisp_seq_iterator **seq)
+{
+ struct alisp_object * p1;
+
+ p1 = get_object1(instance, id);
+ if (p1 == NULL)
+ return -ENOMEM;
+ *seq = p1;
+ return 0;
+}
+
+int alsa_lisp_seq_next(struct alisp_seq_iterator **seq)
+{
+ struct alisp_object * p1 = *seq;
+
+ p1 = cdr(p1);
+ if (p1 == &alsa_lisp_nil)
+ return -ENOENT;
+ *seq = p1;
+ return 0;
+}
+
+int alsa_lisp_seq_count(struct alisp_seq_iterator *seq)
+{
+ int count = 0;
+
+ while (seq != &alsa_lisp_nil) {
+ count++;
+ seq = cdr(seq);
+ }
+ return count;
+}
+
+int alsa_lisp_seq_integer(struct alisp_seq_iterator *seq, long *val)
+{
+ if (alisp_compare_type(seq, ALISP_OBJ_CONS))
+ seq = seq->value.c.cdr;
+ if (alisp_compare_type(seq, ALISP_OBJ_INTEGER))
+ *val = seq->value.i;
+ else
+ return -EINVAL;
+ return 0;
+}
+
+int alsa_lisp_seq_pointer(struct alisp_seq_iterator *seq, const char *ptr_id, void **ptr)
+{
+ struct alisp_object * p2;
+
+ if (alisp_compare_type(seq, ALISP_OBJ_CONS) &&
+ alisp_compare_type(seq->value.c.car, ALISP_OBJ_CONS))
+ seq = seq->value.c.car;
+ if (alisp_compare_type(seq, ALISP_OBJ_CONS)) {
+ p2 = seq->value.c.car;
+ if (!alisp_compare_type(p2, ALISP_OBJ_STRING))
+ return -EINVAL;
+ if (strcmp(p2->value.s, ptr_id))
+ return -EINVAL;
+ p2 = seq->value.c.cdr;
+ if (!alisp_compare_type(p2, ALISP_OBJ_POINTER))
+ return -EINVAL;
+ *ptr = (void *)seq->value.ptr;
+ } else
+ return -EINVAL;
+ return 0;
+}
diff --git a/src/alisp/alisp_local.h b/src/alisp/alisp_local.h
new file mode 100644
index 0000000..4558ebb
--- /dev/null
+++ b/src/alisp/alisp_local.h
@@ -0,0 +1,151 @@
+/*
+ * ALSA lisp implementation
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * Based on work of Sandro Sigala (slisp-1.2)
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "list.h"
+
+enum alisp_tokens {
+ ALISP_IDENTIFIER,
+ ALISP_INTEGER,
+ ALISP_FLOAT,
+ ALISP_FLOATE,
+ ALISP_STRING
+};
+
+enum alisp_objects {
+ ALISP_OBJ_INTEGER,
+ ALISP_OBJ_FLOAT,
+ ALISP_OBJ_IDENTIFIER,
+ ALISP_OBJ_STRING,
+ ALISP_OBJ_POINTER,
+ ALISP_OBJ_CONS,
+ ALISP_OBJ_LAST_SEARCH = ALISP_OBJ_CONS,
+ ALISP_OBJ_NIL,
+ ALISP_OBJ_T,
+};
+
+struct alisp_object;
+
+#define ALISP_TYPE_MASK 0xf0000000
+#define ALISP_TYPE_SHIFT 28
+#define ALISP_REFS_MASK 0x0fffffff
+#define ALISP_REFS_SHIFT 0
+#define ALISP_MAX_REFS (ALISP_REFS_MASK>>ALISP_REFS_SHIFT)
+#define ALISP_MAX_REFS_LIMIT ((ALISP_MAX_REFS + 1) / 2)
+
+struct alisp_object {
+ struct list_head list;
+ unsigned int type_refs; /* type and count of references */
+ union {
+ char *s;
+ long i;
+ double f;
+ const void *ptr;
+ struct {
+ struct alisp_object *car;
+ struct alisp_object *cdr;
+ } c;
+ } value;
+};
+
+static inline enum alisp_objects alisp_get_type(struct alisp_object *p)
+{
+ return (p->type_refs >> ALISP_TYPE_SHIFT);
+}
+
+static inline void alisp_set_type(struct alisp_object *p, enum alisp_objects type)
+{
+ p->type_refs &= ~ALISP_TYPE_MASK;
+ p->type_refs |= (unsigned int)type << ALISP_TYPE_SHIFT;
+}
+
+static inline int alisp_compare_type(struct alisp_object *p, enum alisp_objects type)
+{
+ return ((unsigned int)type << ALISP_TYPE_SHIFT) ==
+ (p->type_refs & ALISP_TYPE_MASK);
+}
+
+static inline void alisp_set_refs(struct alisp_object *p, unsigned int refs)
+{
+ p->type_refs &= ~ALISP_REFS_MASK;
+ p->type_refs |= refs & ALISP_REFS_MASK;
+}
+
+static inline unsigned int alisp_get_refs(struct alisp_object *p)
+{
+ return p->type_refs & ALISP_REFS_MASK;
+}
+
+static inline unsigned int alisp_inc_refs(struct alisp_object *p)
+{
+ unsigned r = alisp_get_refs(p) + 1;
+ alisp_set_refs(p, r);
+ return r;
+}
+
+static inline unsigned int alisp_dec_refs(struct alisp_object *p)
+{
+ unsigned r = alisp_get_refs(p) - 1;
+ alisp_set_refs(p, r);
+ return r;
+}
+
+struct alisp_object_pair {
+ struct list_head list;
+ const char *name;
+ struct alisp_object *value;
+};
+
+#define ALISP_LEX_BUF_MAX 16
+#define ALISP_OBJ_PAIR_HASH_SHIFT 4
+#define ALISP_OBJ_PAIR_HASH_SIZE (1<<ALISP_OBJ_PAIR_HASH_SHIFT)
+#define ALISP_OBJ_PAIR_HASH_MASK (ALISP_OBJ_PAIR_HASH_SIZE-1)
+#define ALISP_FREE_OBJ_POOL 512 /* free objects above this pool */
+
+struct alisp_instance {
+ int verbose: 1,
+ warning: 1,
+ debug: 1;
+ /* i/o */
+ snd_input_t *in;
+ snd_output_t *out;
+ snd_output_t *eout; /* error output */
+ snd_output_t *vout; /* verbose output */
+ snd_output_t *wout; /* warning output */
+ snd_output_t *dout; /* debug output */
+ /* lexer */
+ int charno;
+ int lineno;
+ int lex_buf[ALISP_LEX_BUF_MAX];
+ int *lex_bufp;
+ char *token_buffer;
+ int token_buffer_max;
+ int thistoken;
+ /* object allocator / storage */
+ long free_objs;
+ long used_objs;
+ long max_objs;
+ struct list_head free_objs_list;
+ struct list_head used_objs_list[ALISP_OBJ_PAIR_HASH_SIZE][ALISP_OBJ_LAST_SEARCH + 1];
+ /* set object */
+ struct list_head setobjs_list[ALISP_OBJ_PAIR_HASH_SIZE];
+};
diff --git a/src/alisp/alisp_snd.c b/src/alisp/alisp_snd.c
new file mode 100644
index 0000000..0a1a3b4
--- /dev/null
+++ b/src/alisp/alisp_snd.c
@@ -0,0 +1,943 @@
+/*
+ * ALSA lisp implementation - sound related commands
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+struct acall_table {
+ const char *name;
+ struct alisp_object * (*func) (struct alisp_instance *instance, struct acall_table * item, struct alisp_object * args);
+ void * xfunc;
+ const char *prefix;
+};
+
+/*
+ * helper functions
+ */
+
+static inline int get_integer(struct alisp_object * obj)
+{
+ if (alisp_compare_type(obj, ALISP_OBJ_INTEGER))
+ return obj->value.i;
+ return 0;
+}
+
+static inline const void *get_pointer(struct alisp_object * obj)
+{
+ if (alisp_compare_type(obj, ALISP_OBJ_POINTER))
+ return obj->value.ptr;
+ return NULL;
+}
+
+static const char *get_string(struct alisp_object * obj, const char * deflt)
+{
+ if (obj == &alsa_lisp_t)
+ return "true";
+ if (alisp_compare_type(obj, ALISP_OBJ_STRING) ||
+ alisp_compare_type(obj, ALISP_OBJ_IDENTIFIER))
+ return obj->value.s;
+ return deflt;
+}
+
+struct flags {
+ const char *key;
+ unsigned int mask;
+};
+
+static unsigned int get_flags(struct alisp_instance * instance,
+ struct alisp_object * obj,
+ const struct flags * flags,
+ unsigned int deflt)
+{
+ const char *key;
+ int invert;
+ unsigned int result;
+ const struct flags *ptr;
+ struct alisp_object *n;
+
+ if (obj == &alsa_lisp_nil)
+ return deflt;
+ result = deflt;
+ do {
+ key = get_string(obj, NULL);
+ if (key) {
+ invert = key[0] == '!';
+ key += invert;
+ ptr = flags;
+ while (ptr->key) {
+ if (!strcmp(ptr->key, key)) {
+ if (invert)
+ result &= ~ptr->mask;
+ else
+ result |= ptr->mask;
+ break;
+ }
+ ptr++;
+ }
+ }
+ delete_tree(instance, car(obj));
+ obj = cdr(n = obj);
+ delete_object(instance, n);
+ } while (obj != &alsa_lisp_nil);
+ return result;
+}
+
+static const void *get_ptr(struct alisp_instance * instance,
+ struct alisp_object * obj,
+ const char *_ptr_id)
+{
+ const char *ptr_id;
+ const void *ptr;
+
+ ptr_id = get_string(car(obj), NULL);
+ if (ptr_id == NULL) {
+ delete_tree(instance, obj);
+ return NULL;
+ }
+ if (strcmp(ptr_id, _ptr_id)) {
+ delete_tree(instance, obj);
+ return NULL;
+ }
+ ptr = get_pointer(cdr(obj));
+ delete_tree(instance, obj);
+ return ptr;
+}
+
+static struct alisp_object * new_lexpr(struct alisp_instance * instance, int err)
+{
+ struct alisp_object * lexpr;
+
+ lexpr = new_object(instance, ALISP_OBJ_CONS);
+ if (lexpr == NULL)
+ return NULL;
+ lexpr->value.c.car = new_integer(instance, err);
+ if (lexpr->value.c.car == NULL) {
+ delete_object(instance, lexpr);
+ return NULL;
+ }
+ lexpr->value.c.cdr = new_object(instance, ALISP_OBJ_CONS);
+ if (lexpr->value.c.cdr == NULL) {
+ delete_object(instance, lexpr->value.c.car);
+ delete_object(instance, lexpr);
+ return NULL;
+ }
+ return lexpr;
+}
+
+static struct alisp_object * add_cons(struct alisp_instance * instance,
+ struct alisp_object *lexpr,
+ int cdr, const char *id,
+ struct alisp_object *obj)
+{
+ struct alisp_object * p1, * p2;
+
+ if (lexpr == NULL || obj == NULL) {
+ delete_tree(instance, obj);
+ return NULL;
+ }
+ if (cdr) {
+ p1 = lexpr->value.c.cdr = new_object(instance, ALISP_OBJ_CONS);
+ } else {
+ p1 = lexpr->value.c.car = new_object(instance, ALISP_OBJ_CONS);
+ }
+ lexpr = p1;
+ if (p1 == NULL) {
+ delete_tree(instance, obj);
+ return NULL;
+ }
+ p1->value.c.car = new_object(instance, ALISP_OBJ_CONS);
+ if ((p2 = p1->value.c.car) == NULL)
+ goto __err;
+ p2->value.c.car = new_string(instance, id);
+ if (p2->value.c.car == NULL) {
+ __err:
+ if (cdr)
+ lexpr->value.c.cdr = NULL;
+ else
+ lexpr->value.c.car = NULL;
+ delete_tree(instance, p1);
+ delete_tree(instance, obj);
+ return NULL;
+ }
+ p2->value.c.cdr = obj;
+ return lexpr;
+}
+
+static struct alisp_object * add_cons2(struct alisp_instance * instance,
+ struct alisp_object *lexpr,
+ int cdr, struct alisp_object *obj)
+{
+ struct alisp_object * p1;
+
+ if (lexpr == NULL || obj == NULL) {
+ delete_tree(instance, obj);
+ return NULL;
+ }
+ if (cdr) {
+ p1 = lexpr->value.c.cdr = new_object(instance, ALISP_OBJ_CONS);
+ } else {
+ p1 = lexpr->value.c.car = new_object(instance, ALISP_OBJ_CONS);
+ }
+ lexpr = p1;
+ if (p1 == NULL) {
+ delete_tree(instance, obj);
+ return NULL;
+ }
+ p1->value.c.car = obj;
+ return lexpr;
+}
+
+static struct alisp_object * new_result1(struct alisp_instance * instance,
+ int err, const char *ptr_id, void *ptr)
+{
+ struct alisp_object * lexpr, * p1;
+
+ if (err < 0)
+ ptr = NULL;
+ lexpr = new_object(instance, ALISP_OBJ_CONS);
+ if (lexpr == NULL)
+ return NULL;
+ lexpr->value.c.car = new_integer(instance, err);
+ if (lexpr->value.c.car == NULL) {
+ delete_object(instance, lexpr);
+ return NULL;
+ }
+ p1 = add_cons(instance, lexpr, 1, ptr_id, new_pointer(instance, ptr));
+ if (p1 == NULL) {
+ delete_object(instance, lexpr);
+ return NULL;
+ }
+ return lexpr;
+}
+
+static struct alisp_object * new_result2(struct alisp_instance * instance,
+ int err, int val)
+{
+ struct alisp_object * lexpr, * p1;
+
+ if (err < 0)
+ val = 0;
+ lexpr = new_lexpr(instance, err);
+ if (lexpr == NULL)
+ return NULL;
+ p1 = lexpr->value.c.cdr;
+ p1->value.c.car = new_integer(instance, val);
+ if (p1->value.c.car == NULL) {
+ delete_object(instance, lexpr);
+ return NULL;
+ }
+ return lexpr;
+}
+
+static struct alisp_object * new_result3(struct alisp_instance * instance,
+ int err, const char *str)
+{
+ struct alisp_object * lexpr, * p1;
+
+ if (err < 0)
+ str = "";
+ lexpr = new_lexpr(instance, err);
+ if (lexpr == NULL)
+ return NULL;
+ p1 = lexpr->value.c.cdr;
+ p1->value.c.car = new_string(instance, str);
+ if (p1->value.c.car == NULL) {
+ delete_object(instance, lexpr);
+ return NULL;
+ }
+ return lexpr;
+}
+
+/*
+ * macros
+ */
+
+/*
+ * HCTL functions
+ */
+
+typedef int (*snd_int_pp_strp_int_t)(void **rctl, const char *name, int mode);
+typedef int (*snd_int_pp_p_t)(void **rctl, void *handle);
+typedef int (*snd_int_p_t)(void *rctl);
+typedef char * (*snd_str_p_t)(void *rctl);
+typedef int (*snd_int_intp_t)(int *val);
+typedef int (*snd_int_str_t)(const char *str);
+typedef int (*snd_int_int_strp_t)(int val, char **str);
+typedef void *(*snd_p_p_t)(void *handle);
+
+static struct alisp_object * FA_int_pp_strp_int(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ const char *name;
+ int err, mode;
+ void *handle;
+ struct alisp_object *p1, *p2;
+ static const struct flags flags[] = {
+ { "nonblock", SND_CTL_NONBLOCK },
+ { "async", SND_CTL_ASYNC },
+ { "readonly", SND_CTL_READONLY },
+ { NULL, 0 }
+ };
+
+ name = get_string(p1 = eval(instance, car(args)), NULL);
+ if (name == NULL)
+ return &alsa_lisp_nil;
+ mode = get_flags(instance, p2 = eval(instance, car(cdr(args))), flags, 0);
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+ delete_tree(instance, p2);
+ err = ((snd_int_pp_strp_int_t)item->xfunc)(&handle, name, mode);
+ delete_tree(instance, p1);
+ return new_result1(instance, err, item->prefix, handle);
+}
+
+static struct alisp_object * FA_int_pp_p(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ int err;
+ void *handle;
+ const char *prefix1;
+ struct alisp_object *p1;
+
+ if (item->xfunc == &snd_hctl_open_ctl)
+ prefix1 = "ctl";
+ else {
+ delete_tree(instance, args);
+ return &alsa_lisp_nil;
+ }
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (void *)get_ptr(instance, p1, prefix1);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ err = ((snd_int_pp_p_t)item->xfunc)(&handle, handle);
+ return new_result1(instance, err, item->prefix, handle);
+}
+
+static struct alisp_object * FA_p_p(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ void *handle;
+ const char *prefix1;
+ struct alisp_object * p1;
+
+ if (item->xfunc == &snd_hctl_first_elem ||
+ item->xfunc == &snd_hctl_last_elem ||
+ item->xfunc == &snd_hctl_elem_next ||
+ item->xfunc == &snd_hctl_elem_prev)
+ prefix1 = "hctl_elem";
+ else if (item->xfunc == &snd_hctl_ctl)
+ prefix1 = "ctl";
+ else {
+ delete_tree(instance, args);
+ return &alsa_lisp_nil;
+ }
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (void *)get_ptr(instance, p1, item->prefix);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ handle = ((snd_p_p_t)item->xfunc)(handle);
+ return new_cons_pointer(instance, prefix1, handle);
+}
+
+static struct alisp_object * FA_int_p(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ void *handle;
+ struct alisp_object * p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (void *)get_ptr(instance, p1, item->prefix);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ return new_integer(instance, ((snd_int_p_t)item->xfunc)(handle));
+}
+
+static struct alisp_object * FA_str_p(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ void *handle;
+ struct alisp_object * p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (void *)get_ptr(instance, p1, item->prefix);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ return new_string(instance, ((snd_str_p_t)item->xfunc)(handle));
+}
+
+static struct alisp_object * FA_int_intp(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ int val, err;
+ struct alisp_object * p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (!alisp_compare_type(p1, ALISP_OBJ_INTEGER)) {
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+ }
+ val = p1->value.i;
+ delete_tree(instance, p1);
+ err = ((snd_int_intp_t)item->xfunc)(&val);
+ return new_result2(instance, err, val);
+}
+
+static struct alisp_object * FA_int_str(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ int err;
+ struct alisp_object * p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (!alisp_compare_type(p1, ALISP_OBJ_STRING) &&
+ !alisp_compare_type(p1, ALISP_OBJ_IDENTIFIER)) {
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+ }
+ err = ((snd_int_str_t)item->xfunc)(p1->value.s);
+ delete_tree(instance, p1);
+ return new_integer(instance, err);
+}
+
+static struct alisp_object * FA_int_int_strp(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ int err;
+ char *str;
+ long val;
+ struct alisp_object * p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ if (!alisp_compare_type(p1, ALISP_OBJ_INTEGER)) {
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+ }
+ val = p1->value.i;
+ delete_tree(instance, p1);
+ err = ((snd_int_int_strp_t)item->xfunc)(val, &str);
+ return new_result3(instance, err, str);
+}
+
+static struct alisp_object * FA_card_info(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ snd_ctl_t *handle;
+ struct alisp_object * lexpr, * p1;
+ snd_ctl_card_info_t * info;
+ int err;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (snd_ctl_t *)get_ptr(instance, p1, item->prefix);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ snd_ctl_card_info_alloca(&info);
+ err = snd_ctl_card_info(handle, info);
+ lexpr = new_lexpr(instance, err);
+ if (err < 0)
+ return lexpr;
+ p1 = add_cons(instance, lexpr->value.c.cdr, 0, "id", new_string(instance, snd_ctl_card_info_get_id(info)));
+ p1 = add_cons(instance, p1, 1, "driver", new_string(instance, snd_ctl_card_info_get_driver(info)));
+ p1 = add_cons(instance, p1, 1, "name", new_string(instance, snd_ctl_card_info_get_name(info)));
+ p1 = add_cons(instance, p1, 1, "longname", new_string(instance, snd_ctl_card_info_get_longname(info)));
+ p1 = add_cons(instance, p1, 1, "mixername", new_string(instance, snd_ctl_card_info_get_mixername(info)));
+ p1 = add_cons(instance, p1, 1, "components", new_string(instance, snd_ctl_card_info_get_components(info)));
+ if (p1 == NULL) {
+ delete_tree(instance, lexpr);
+ return NULL;
+ }
+ return lexpr;
+}
+
+static struct alisp_object * create_ctl_elem_id(struct alisp_instance * instance, snd_ctl_elem_id_t * id, struct alisp_object * cons)
+{
+ cons = add_cons(instance, cons, 0, "numid", new_integer(instance, snd_ctl_elem_id_get_numid(id)));
+ cons = add_cons(instance, cons, 1, "iface", new_string(instance, snd_ctl_elem_iface_name(snd_ctl_elem_id_get_interface(id))));
+ cons = add_cons(instance, cons, 1, "dev", new_integer(instance, snd_ctl_elem_id_get_device(id)));
+ cons = add_cons(instance, cons, 1, "subdev", new_integer(instance, snd_ctl_elem_id_get_subdevice(id)));
+ cons = add_cons(instance, cons, 1, "name", new_string(instance, snd_ctl_elem_id_get_name(id)));
+ cons = add_cons(instance, cons, 1, "index", new_integer(instance, snd_ctl_elem_id_get_index(id)));
+ return cons;
+}
+
+static int parse_ctl_elem_id(struct alisp_instance * instance,
+ struct alisp_object * cons,
+ snd_ctl_elem_id_t * id)
+{
+ struct alisp_object *p1;
+ const char *xid;
+
+ if (cons == NULL)
+ return -ENOMEM;
+ snd_ctl_elem_id_clear(id);
+ id->numid = 0;
+ do {
+ p1 = car(cons);
+ if (alisp_compare_type(p1, ALISP_OBJ_CONS)) {
+ xid = get_string(p1->value.c.car, NULL);
+ if (xid == NULL) {
+ /* noop */
+ } else if (!strcmp(xid, "numid")) {
+ snd_ctl_elem_id_set_numid(id, get_integer(p1->value.c.cdr));
+ } else if (!strcmp(xid, "iface")) {
+ snd_ctl_elem_id_set_interface(id, snd_config_get_ctl_iface_ascii(get_string(p1->value.c.cdr, "0")));
+ } else if (!strcmp(xid, "dev")) {
+ snd_ctl_elem_id_set_device(id, get_integer(p1->value.c.cdr));
+ } else if (!strcmp(xid, "subdev")) {
+ snd_ctl_elem_id_set_subdevice(id, get_integer(p1->value.c.cdr));
+ } else if (!strcmp(xid, "name")) {
+ snd_ctl_elem_id_set_name(id, get_string(p1->value.c.cdr, "?"));
+ } else if (!strcmp(xid, "index")) {
+ snd_ctl_elem_id_set_index(id, get_integer(p1->value.c.cdr));
+ }
+ }
+ delete_tree(instance, p1);
+ cons = cdr(p1 = cons);
+ delete_object(instance, p1);
+ } while (cons != &alsa_lisp_nil);
+ return 0;
+}
+
+static struct alisp_object * FA_hctl_find_elem(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ snd_hctl_t *handle;
+ snd_ctl_elem_id_t *id;
+ struct alisp_object *p1;
+
+ handle = (snd_hctl_t *)get_ptr(instance, car(args), item->prefix);
+ if (handle == NULL) {
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ return &alsa_lisp_nil;
+ }
+ snd_ctl_elem_id_alloca(&id);
+ p1 = car(cdr(args));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+ if (parse_ctl_elem_id(instance, eval(instance, p1), id) < 0)
+ return &alsa_lisp_nil;
+ return new_cons_pointer(instance, "hctl_elem", snd_hctl_find_elem(handle, id));
+}
+
+static struct alisp_object * FA_hctl_elem_info(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ snd_hctl_elem_t *handle;
+ struct alisp_object * lexpr, * p1, * p2;
+ snd_ctl_elem_info_t *info;
+ snd_ctl_elem_id_t *id;
+ snd_ctl_elem_type_t type;
+ int err;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (snd_hctl_elem_t *)get_ptr(instance, p1, item->prefix);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ snd_ctl_elem_info_alloca(&info);
+ snd_ctl_elem_id_alloca(&id);
+ err = snd_hctl_elem_info(handle, info);
+ lexpr = new_lexpr(instance, err);
+ if (err < 0)
+ return lexpr;
+ type = snd_ctl_elem_info_get_type(info);
+ p1 = add_cons(instance, lexpr->value.c.cdr, 0, "id", p2 = new_object(instance, ALISP_OBJ_CONS));
+ snd_ctl_elem_info_get_id(info, id);
+ if (create_ctl_elem_id(instance, id, p2) == NULL) {
+ delete_tree(instance, lexpr);
+ return NULL;
+ }
+ p1 = add_cons(instance, p1, 1, "type", new_string(instance, snd_ctl_elem_type_name(type)));
+ p1 = add_cons(instance, p1, 1, "readable", new_integer(instance, snd_ctl_elem_info_is_readable(info)));
+ p1 = add_cons(instance, p1, 1, "writable", new_integer(instance, snd_ctl_elem_info_is_writable(info)));
+ p1 = add_cons(instance, p1, 1, "volatile", new_integer(instance, snd_ctl_elem_info_is_volatile(info)));
+ p1 = add_cons(instance, p1, 1, "inactive", new_integer(instance, snd_ctl_elem_info_is_inactive(info)));
+ p1 = add_cons(instance, p1, 1, "locked", new_integer(instance, snd_ctl_elem_info_is_locked(info)));
+ p1 = add_cons(instance, p1, 1, "isowner", new_integer(instance, snd_ctl_elem_info_is_owner(info)));
+ p1 = add_cons(instance, p1, 1, "owner", new_integer(instance, snd_ctl_elem_info_get_owner(info)));
+ p1 = add_cons(instance, p1, 1, "count", new_integer(instance, snd_ctl_elem_info_get_count(info)));
+ err = snd_ctl_elem_info_get_dimensions(info);
+ if (err > 0) {
+ int idx;
+ p1 = add_cons(instance, p1, 1, "dimensions", p2 = new_object(instance, ALISP_OBJ_CONS));
+ for (idx = 0; idx < err; idx++)
+ p2 = add_cons2(instance, p2, idx > 0, new_integer(instance, snd_ctl_elem_info_get_dimension(info, idx)));
+ }
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_ENUMERATED: {
+ unsigned int items, item;
+ items = snd_ctl_elem_info_get_items(info);
+ p1 = add_cons(instance, p1, 1, "items", p2 = new_object(instance, ALISP_OBJ_CONS));
+ for (item = 0; item < items; item++) {
+ snd_ctl_elem_info_set_item(info, item);
+ err = snd_hctl_elem_info(handle, info);
+ if (err < 0) {
+ p2 = add_cons2(instance, p2, item, &alsa_lisp_nil);
+ } else {
+ p2 = add_cons2(instance, p2, item, new_string(instance, snd_ctl_elem_info_get_item_name(info)));
+ }
+ }
+ break;
+ }
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ p1 = add_cons(instance, p1, 1, "min", new_integer(instance, snd_ctl_elem_info_get_min(info)));
+ p1 = add_cons(instance, p1, 1, "max", new_integer(instance, snd_ctl_elem_info_get_max(info)));
+ p1 = add_cons(instance, p1, 1, "step", new_integer(instance, snd_ctl_elem_info_get_step(info)));
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ p1 = add_cons(instance, p1, 1, "min64", new_float(instance, snd_ctl_elem_info_get_min64(info)));
+ p1 = add_cons(instance, p1, 1, "max64", new_float(instance, snd_ctl_elem_info_get_max64(info)));
+ p1 = add_cons(instance, p1, 1, "step64", new_float(instance, snd_ctl_elem_info_get_step64(info)));
+ break;
+ default:
+ break;
+ }
+ if (p1 == NULL) {
+ delete_tree(instance, lexpr);
+ return NULL;
+ }
+ return lexpr;
+}
+
+static struct alisp_object * FA_hctl_elem_read(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ snd_hctl_elem_t *handle;
+ struct alisp_object * lexpr, * p1 = NULL, * obj;
+ snd_ctl_elem_info_t *info;
+ snd_ctl_elem_value_t *value;
+ snd_ctl_elem_type_t type;
+ unsigned int idx, count;
+ int err;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (snd_hctl_elem_t *)get_ptr(instance, p1, item->prefix);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ snd_ctl_elem_info_alloca(&info);
+ snd_ctl_elem_value_alloca(&value);
+ err = snd_hctl_elem_info(handle, info);
+ if (err >= 0)
+ err = snd_hctl_elem_read(handle, value);
+ lexpr = new_lexpr(instance, err);
+ if (err < 0)
+ return lexpr;
+ type = snd_ctl_elem_info_get_type(info);
+ count = snd_ctl_elem_info_get_count(info);
+ if (type == SND_CTL_ELEM_TYPE_IEC958) {
+ count = sizeof(snd_aes_iec958_t);
+ type = SND_CTL_ELEM_TYPE_BYTES;
+ }
+ for (idx = 0; idx < count; idx++) {
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ obj = new_integer(instance, snd_ctl_elem_value_get_boolean(value, idx));
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ obj = new_integer(instance, snd_ctl_elem_value_get_integer(value, idx));
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ obj = new_integer(instance, snd_ctl_elem_value_get_integer64(value, idx));
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ obj = new_integer(instance, snd_ctl_elem_value_get_enumerated(value, idx));
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ obj = new_integer(instance, snd_ctl_elem_value_get_byte(value, idx));
+ break;
+ default:
+ obj = NULL;
+ break;
+ }
+ if (idx == 0) {
+ p1 = add_cons2(instance, lexpr->value.c.cdr, 0, obj);
+ } else {
+ p1 = add_cons2(instance, p1, 1, obj);
+ }
+ }
+ if (p1 == NULL) {
+ delete_tree(instance, lexpr);
+ return &alsa_lisp_nil;
+ }
+ return lexpr;
+}
+
+static struct alisp_object * FA_hctl_elem_write(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ snd_hctl_elem_t *handle;
+ struct alisp_object * p1 = NULL, * obj;
+ snd_ctl_elem_info_t *info;
+ snd_ctl_elem_value_t *value;
+ snd_ctl_elem_type_t type;
+ unsigned int idx, count;
+ int err;
+
+ p1 = car(cdr(args));
+ obj = eval(instance, car(args));
+ delete_tree(instance, cdr(cdr(args)));
+ delete_object(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (snd_hctl_elem_t *)get_ptr(instance, obj, item->prefix);
+ if (handle == NULL) {
+ delete_tree(instance, p1);
+ return &alsa_lisp_nil;
+ }
+ snd_ctl_elem_info_alloca(&info);
+ snd_ctl_elem_value_alloca(&value);
+ err = snd_hctl_elem_info(handle, info);
+ if (err < 0) {
+ delete_tree(instance, p1);
+ return new_integer(instance, err);
+ }
+ type = snd_ctl_elem_info_get_type(info);
+ count = snd_ctl_elem_info_get_count(info);
+ if (type == SND_CTL_ELEM_TYPE_IEC958) {
+ count = sizeof(snd_aes_iec958_t);
+ type = SND_CTL_ELEM_TYPE_BYTES;
+ }
+ idx = -1;
+ do {
+ if (++idx >= count) {
+ delete_tree(instance, p1);
+ break;
+ }
+ obj = car(p1);
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ snd_ctl_elem_value_set_boolean(value, idx, get_integer(obj));
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ snd_ctl_elem_value_set_integer(value, idx, get_integer(obj));
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ snd_ctl_elem_value_set_integer64(value, idx, get_integer(obj));
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ snd_ctl_elem_value_set_enumerated(value, idx, get_integer(obj));
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ snd_ctl_elem_value_set_byte(value, idx, get_integer(obj));
+ break;
+ default:
+ break;
+ }
+ delete_tree(instance, obj);
+ p1 = cdr(obj = p1);
+ delete_object(instance, obj);
+ } while (p1 != &alsa_lisp_nil);
+ err = snd_hctl_elem_write(handle, value);
+ return new_integer(instance, err);
+}
+
+static struct alisp_object * FA_pcm_info(struct alisp_instance * instance, struct acall_table * item, struct alisp_object * args)
+{
+ snd_pcm_t *handle;
+ struct alisp_object * lexpr, * p1;
+ snd_pcm_info_t *info;
+ int err;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ handle = (snd_pcm_t *)get_ptr(instance, p1, item->prefix);
+ if (handle == NULL)
+ return &alsa_lisp_nil;
+ snd_pcm_info_alloca(&info);
+ err = snd_pcm_info(handle, info);
+ lexpr = new_lexpr(instance, err);
+ if (err < 0)
+ return lexpr;
+ p1 = add_cons(instance, lexpr->value.c.cdr, 0, "card", new_integer(instance, snd_pcm_info_get_card(info)));
+ p1 = add_cons(instance, p1, 1, "device", new_integer(instance, snd_pcm_info_get_device(info)));
+ p1 = add_cons(instance, p1, 1, "subdevice", new_integer(instance, snd_pcm_info_get_subdevice(info)));
+ p1 = add_cons(instance, p1, 1, "id", new_string(instance, snd_pcm_info_get_id(info)));
+ p1 = add_cons(instance, p1, 1, "name", new_string(instance, snd_pcm_info_get_name(info)));
+ p1 = add_cons(instance, p1, 1, "subdevice_name", new_string(instance, snd_pcm_info_get_subdevice_name(info)));
+ p1 = add_cons(instance, p1, 1, "class", new_integer(instance, snd_pcm_info_get_class(info)));
+ p1 = add_cons(instance, p1, 1, "subclass", new_integer(instance, snd_pcm_info_get_subclass(info)));
+ p1 = add_cons(instance, p1, 1, "subdevices_count", new_integer(instance, snd_pcm_info_get_subdevices_count(info)));
+ p1 = add_cons(instance, p1, 1, "subdevices_avail", new_integer(instance, snd_pcm_info_get_subdevices_avail(info)));
+ //p1 = add_cons(instance, p1, 1, "sync", new_string(instance, snd_pcm_info_get_sync(info)));
+ return lexpr;
+}
+
+/*
+ * main code
+ */
+
+static const struct acall_table acall_table[] = {
+ { "card_get_index", &FA_int_str, (void *)snd_card_get_index, NULL },
+ { "card_get_longname", &FA_int_int_strp, (void *)snd_card_get_longname, NULL },
+ { "card_get_name", &FA_int_int_strp, (void *)snd_card_get_name, NULL },
+ { "card_next", &FA_int_intp, (void *)&snd_card_next, NULL },
+ { "ctl_card_info", &FA_card_info, NULL, "ctl" },
+ { "ctl_close", &FA_int_p, (void *)&snd_ctl_close, "ctl" },
+ { "ctl_open", &FA_int_pp_strp_int, (void *)&snd_ctl_open, "ctl" },
+ { "hctl_close", &FA_int_p, (void *)&snd_hctl_close, "hctl" },
+ { "hctl_ctl", &FA_p_p, (void *)&snd_hctl_ctl, "hctl" },
+ { "hctl_elem_info", &FA_hctl_elem_info, (void *)&snd_hctl_elem_info, "hctl_elem" },
+ { "hctl_elem_next", &FA_p_p, (void *)&snd_hctl_elem_next, "hctl_elem" },
+ { "hctl_elem_prev", &FA_p_p, (void *)&snd_hctl_elem_prev, "hctl_elem" },
+ { "hctl_elem_read", &FA_hctl_elem_read, (void *)&snd_hctl_elem_read, "hctl_elem" },
+ { "hctl_elem_write", &FA_hctl_elem_write, (void *)&snd_hctl_elem_write, "hctl_elem" },
+ { "hctl_find_elem", &FA_hctl_find_elem, (void *)&snd_hctl_find_elem, "hctl" },
+ { "hctl_first_elem", &FA_p_p, (void *)&snd_hctl_first_elem, "hctl" },
+ { "hctl_free", &FA_int_p, (void *)&snd_hctl_free, "hctl" },
+ { "hctl_last_elem", &FA_p_p, (void *)&snd_hctl_last_elem, "hctl" },
+ { "hctl_load", &FA_int_p, (void *)&snd_hctl_load, "hctl" },
+ { "hctl_open", &FA_int_pp_strp_int, (void *)&snd_hctl_open, "hctl" },
+ { "hctl_open_ctl", &FA_int_pp_p, (void *)&snd_hctl_open_ctl, "hctl" },
+ { "pcm_info", &FA_pcm_info, NULL, "pcm" },
+ { "pcm_name", &FA_str_p, (void *)&snd_pcm_name, "pcm" },
+};
+
+static int acall_compar(const void *p1, const void *p2)
+{
+ return strcmp(((struct acall_table *)p1)->name,
+ ((struct acall_table *)p2)->name);
+}
+
+static struct alisp_object * F_acall(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p1, *p2;
+ struct acall_table key, *item;
+
+ p1 = eval(instance, car(args));
+ p2 = cdr(args);
+ delete_object(instance, args);
+ if (!alisp_compare_type(p1, ALISP_OBJ_IDENTIFIER) &&
+ !alisp_compare_type(p1, ALISP_OBJ_STRING)) {
+ delete_tree(instance, p2);
+ return &alsa_lisp_nil;
+ }
+ key.name = p1->value.s;
+ if ((item = bsearch(&key, acall_table,
+ sizeof acall_table / sizeof acall_table[0],
+ sizeof acall_table[0], acall_compar)) != NULL) {
+ delete_tree(instance, p1);
+ return item->func(instance, item, p2);
+ }
+ delete_tree(instance, p1);
+ delete_tree(instance, p2);
+ lisp_warn(instance, "acall function %s' is undefined", p1->value.s);
+ return &alsa_lisp_nil;
+}
+
+static struct alisp_object * F_ahandle(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object *p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ args = car(cdr(p1));
+ delete_tree(instance, cdr(cdr(p1)));
+ delete_object(instance, cdr(p1));
+ delete_tree(instance, car(p1));
+ delete_object(instance, p1);
+ return args;
+}
+
+static struct alisp_object * F_aerror(struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object *p1;
+
+ p1 = eval(instance, car(args));
+ delete_tree(instance, cdr(args));
+ delete_object(instance, args);
+ args = car(p1);
+ if (args == &alsa_lisp_nil) {
+ delete_tree(instance, p1);
+ return new_integer(instance, SND_ERROR_ALISP_NIL);
+ } else {
+ delete_tree(instance, cdr(p1));
+ delete_object(instance, p1);
+ }
+ return args;
+}
+
+static int common_error(snd_output_t **rout, struct alisp_instance *instance, struct alisp_object * args)
+{
+ struct alisp_object * p = args, * p1;
+ snd_output_t *out;
+ int err;
+
+ err = snd_output_buffer_open(&out);
+ if (err < 0) {
+ delete_tree(instance, args);
+ return err;
+ }
+
+ do {
+ p1 = eval(instance, car(p));
+ if (alisp_compare_type(p1, ALISP_OBJ_STRING))
+ snd_output_printf(out, "%s", p1->value.s);
+ else
+ princ_object(out, p1);
+ delete_tree(instance, p1);
+ p = cdr(p1 = p);
+ delete_object(instance, p1);
+ } while (p != &alsa_lisp_nil);
+
+ *rout = out;
+ return 0;
+}
+
+static struct alisp_object * F_snderr(struct alisp_instance *instance, struct alisp_object * args)
+{
+ snd_output_t *out;
+ char *str;
+
+ if (common_error(&out, instance, args) < 0)
+ return &alsa_lisp_nil;
+ snd_output_buffer_string(out, &str);
+ SNDERR(str);
+ snd_output_close(out);
+ return &alsa_lisp_t;
+}
+
+static struct alisp_object * F_syserr(struct alisp_instance *instance, struct alisp_object * args)
+{
+ snd_output_t *out;
+ char *str;
+
+ if (common_error(&out, instance, args) < 0)
+ return &alsa_lisp_nil;
+ snd_output_buffer_string(out, &str);
+ SYSERR(str);
+ snd_output_close(out);
+ return &alsa_lisp_t;
+}
+
+static const struct intrinsic snd_intrinsics[] = {
+ { "Acall", F_acall },
+ { "Aerror", F_aerror },
+ { "Ahandle", F_ahandle },
+ { "Aresult", F_ahandle },
+ { "Asnderr", F_snderr },
+ { "Asyserr", F_syserr }
+};
diff --git a/src/async.c b/src/async.c
new file mode 100644
index 0000000..98aec78
--- /dev/null
+++ b/src/async.c
@@ -0,0 +1,206 @@
+/**
+ * \file async.c
+ * \brief Async notification helpers
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2001
+ */
+/*
+ * Async notification helpers
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm/pcm_local.h"
+#include "control/control_local.h"
+#include <signal.h>
+
+#ifdef SND_ASYNC_RT_SIGNAL
+/** async signal number */
+static int snd_async_signo;
+
+void snd_async_init(void) __attribute__ ((constructor));
+
+void snd_async_init(void)
+{
+ snd_async_signo = __libc_allocate_rtsig(0);
+ if (snd_async_signo < 0) {
+ SNDERR("Unable to find a RT signal to use for snd_async");
+ exit(1);
+ }
+}
+#else
+/** async signal number */
+static const int snd_async_signo = SIGIO;
+#endif
+
+static LIST_HEAD(snd_async_handlers);
+
+static void snd_async_handler(int signo ATTRIBUTE_UNUSED, siginfo_t *siginfo, void *context ATTRIBUTE_UNUSED)
+{
+ int fd;
+ struct list_head *i;
+ //assert(siginfo->si_code == SI_SIGIO);
+ fd = siginfo->si_fd;
+ list_for_each(i, &snd_async_handlers) {
+ snd_async_handler_t *h = list_entry(i, snd_async_handler_t, glist);
+ if (h->fd == fd && h->callback)
+ h->callback(h);
+ }
+}
+
+/**
+ * \brief Registers an async handler.
+ * \param handler The function puts the pointer to the new async handler
+ * object at the address specified by \p handler.
+ * \param fd The file descriptor to be associated with the callback.
+ * \param callback The async callback function.
+ * \param private_data Private data for the async callback function.
+ * \result Zero if successful, otherwise a negative error code.
+ *
+ * This function associates the callback function with the given file,
+ * and saves this association in a \c snd_async_handler_t object.
+ *
+ * Whenever the \c SIGIO signal is raised for the file \p fd, the callback
+ * function will be called with its parameter pointing to the async handler
+ * object returned by this function.
+ *
+ * The ALSA \c sigaction handler for the \c SIGIO signal automatically
+ * multiplexes the notifications to the registered async callbacks.
+ * However, the application is responsible for instructing the device driver
+ * to generate the \c SIGIO signal.
+ *
+ * The \c SIGIO signal may have been replaced with another signal,
+ * see #snd_async_handler_get_signo.
+ *
+ * When the async handler isn't needed anymore, you must delete it with
+ * #snd_async_del_handler.
+ *
+ * \see snd_async_add_pcm_handler, snd_async_add_ctl_handler
+ */
+int snd_async_add_handler(snd_async_handler_t **handler, int fd,
+ snd_async_callback_t callback, void *private_data)
+{
+ snd_async_handler_t *h;
+ int was_empty;
+ assert(handler);
+ h = malloc(sizeof(*h));
+ if (!h)
+ return -ENOMEM;
+ h->fd = fd;
+ h->callback = callback;
+ h->private_data = private_data;
+ was_empty = list_empty(&snd_async_handlers);
+ list_add_tail(&h->glist, &snd_async_handlers);
+ INIT_LIST_HEAD(&h->hlist);
+ *handler = h;
+ if (was_empty) {
+ int err;
+ struct sigaction act;
+ memset(&act, 0, sizeof(act));
+ act.sa_flags = SA_RESTART | SA_SIGINFO;
+ act.sa_sigaction = snd_async_handler;
+ sigemptyset(&act.sa_mask);
+ err = sigaction(snd_async_signo, &act, NULL);
+ if (err < 0) {
+ SYSERR("sigaction");
+ return -errno;
+ }
+ }
+ return 0;
+}
+
+/**
+ * \brief Deletes an async handler.
+ * \param handler Handle of the async handler to delete.
+ * \result Zero if successful, otherwise a negative error code.
+ */
+int snd_async_del_handler(snd_async_handler_t *handler)
+{
+ int err = 0;
+ assert(handler);
+ list_del(&handler->glist);
+ if (list_empty(&snd_async_handlers)) {
+ struct sigaction act;
+ memset(&act, 0, sizeof(act));
+ act.sa_flags = 0;
+ act.sa_handler = SIG_DFL;
+ err = sigaction(snd_async_signo, &act, NULL);
+ if (err < 0) {
+ SYSERR("sigaction");
+ return -errno;
+ }
+ }
+ if (handler->type == SND_ASYNC_HANDLER_GENERIC)
+ goto _end;
+ if (!list_empty(&handler->hlist))
+ list_del(&handler->hlist);
+ if (!list_empty(&handler->hlist))
+ goto _end;
+ switch (handler->type) {
+#ifdef BUILD_PCM
+ case SND_ASYNC_HANDLER_PCM:
+ err = snd_pcm_async(handler->u.pcm, -1, 1);
+ break;
+#endif
+ case SND_ASYNC_HANDLER_CTL:
+ err = snd_ctl_async(handler->u.ctl, -1, 1);
+ break;
+ default:
+ assert(0);
+ }
+ _end:
+ free(handler);
+ return err;
+}
+
+/**
+ * \brief Returns the signal number assigned to an async handler.
+ * \param handler Handle to an async handler.
+ * \result The signal number if successful, otherwise a negative error code.
+ *
+ * The signal number for async handlers usually is \c SIGIO,
+ * but wizards can redefine it to a realtime signal
+ * when compiling the ALSA library.
+ */
+int snd_async_handler_get_signo(snd_async_handler_t *handler)
+{
+ assert(handler);
+ return snd_async_signo;
+}
+
+/**
+ * \brief Returns the file descriptor assigned to an async handler.
+ * \param handler Handle to an async handler.
+ * \result The file descriptor if successful, otherwise a negative error code.
+ */
+int snd_async_handler_get_fd(snd_async_handler_t *handler)
+{
+ assert(handler);
+ return handler->fd;
+}
+
+/**
+ * \brief Returns the private data assigned to an async handler.
+ * \param handler Handle to an async handler.
+ * \result The \c private_data value registered with the async handler.
+ */
+void *snd_async_handler_get_callback_private(snd_async_handler_t *handler)
+{
+ assert(handler);
+ return handler->private_data;
+}
+
diff --git a/src/compat/Makefile.am b/src/compat/Makefile.am
new file mode 100644
index 0000000..01f54fc
--- /dev/null
+++ b/src/compat/Makefile.am
@@ -0,0 +1,8 @@
+noinst_LTLIBRARIES = libcompat.la
+EXTRA_libcompat_la_SOURCES = hsearch_r.c
+
+if ALSA_HSEARCH_R
+libcompat_la_SOURCES = empty.c hsearch_r.c
+else
+libcompat_la_SOURCES = empty.c
+endif
diff --git a/src/compat/Makefile.in b/src/compat/Makefile.in
new file mode 100644
index 0000000..80a8834
--- /dev/null
+++ b/src/compat/Makefile.in
@@ -0,0 +1,556 @@
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+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+
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+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool clean-noinstLTLIBRARIES cscopelist ctags \
+ distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-ps install-ps-am install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/compat/empty.c b/src/compat/empty.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/compat/empty.c
diff --git a/src/compat/hsearch_r.c b/src/compat/hsearch_r.c
new file mode 100644
index 0000000..96ceac1
--- /dev/null
+++ b/src/compat/hsearch_r.c
@@ -0,0 +1,236 @@
+/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1993.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <malloc.h>
+#include <string.h>
+
+#define __USE_GNU
+#ifndef __set_errno
+#define __set_errno(e) errno = (e)
+#endif
+#include <search.h>
+
+/* [Aho,Sethi,Ullman] Compilers: Principles, Techniques and Tools, 1986
+ [Knuth] The Art of Computer Programming, part 3 (6.4) */
+
+
+/* The reentrant version has no static variables to maintain the state.
+ Instead the interface of all functions is extended to take an argument
+ which describes the current status. */
+typedef struct _ENTRY
+{
+ unsigned int used;
+ ENTRY entry;
+}
+_ENTRY;
+
+
+/* For the used double hash method the table size has to be a prime. To
+ correct the user given table size we need a prime test. This trivial
+ algorithm is adequate because
+ a) the code is (most probably) called a few times per program run and
+ b) the number is small because the table must fit in the core */
+static int
+isprime (unsigned int number)
+{
+ /* no even number will be passed */
+ unsigned int div = 3;
+
+ while (div * div < number && number % div != 0)
+ div += 2;
+
+ return number % div != 0;
+}
+
+
+/* Before using the hash table we must allocate memory for it.
+ Test for an existing table are done. We allocate one element
+ more as the found prime number says. This is done for more effective
+ indexing as explained in the comment for the hsearch function.
+ The contents of the table is zeroed, especially the field used
+ becomes zero. */
+int
+hcreate_r (nel, htab)
+ size_t nel;
+ struct hsearch_data *htab;
+{
+ /* Test for correct arguments. */
+ if (htab == NULL)
+ {
+ __set_errno (EINVAL);
+ return 0;
+ }
+
+ /* There is still another table active. Return with error. */
+ if (htab->table != NULL)
+ return 0;
+
+ /* Change nel to the first prime number not smaller as nel. */
+ nel |= 1; /* make odd */
+ while (!isprime (nel))
+ nel += 2;
+
+ htab->size = nel;
+ htab->filled = 0;
+
+ /* allocate memory and zero out */
+ htab->table = (_ENTRY *) calloc (htab->size + 1, sizeof (_ENTRY));
+ if (htab->table == NULL)
+ return 0;
+
+ /* everything went alright */
+ return 1;
+}
+
+
+/* After using the hash table it has to be destroyed. The used memory can
+ be freed and the local static variable can be marked as not used. */
+void
+hdestroy_r (htab)
+ struct hsearch_data *htab;
+{
+ /* Test for correct arguments. */
+ if (htab == NULL)
+ {
+ __set_errno (EINVAL);
+ return;
+ }
+
+ if (htab->table != NULL)
+ /* free used memory */
+ free (htab->table);
+
+ /* the sign for an existing table is an value != NULL in htable */
+ htab->table = NULL;
+}
+
+
+/* This is the search function. It uses double hashing with open addressing.
+ The argument item.key has to be a pointer to an zero terminated, most
+ probably strings of chars. The function for generating a number of the
+ strings is simple but fast. It can be replaced by a more complex function
+ like ajw (see [Aho,Sethi,Ullman]) if the needs are shown.
+
+ We use an trick to speed up the lookup. The table is created by hcreate
+ with one more element available. This enables us to use the index zero
+ special. This index will never be used because we store the first hash
+ index in the field used where zero means not used. Every other value
+ means used. The used field can be used as a first fast comparison for
+ equality of the stored and the parameter value. This helps to prevent
+ unnecessary expensive calls of strcmp. */
+int
+hsearch_r (item, action, retval, htab)
+ ENTRY item;
+ ACTION action;
+ ENTRY **retval;
+ struct hsearch_data *htab;
+{
+ unsigned int hval;
+ unsigned int count;
+ unsigned int len = strlen (item.key);
+ unsigned int idx;
+
+ /* Compute an value for the given string. Perhaps use a better method. */
+ hval = len;
+ count = len;
+ while (count-- > 0)
+ {
+ hval <<= 4;
+ hval += item.key[count];
+ }
+
+ /* First hash function: simply take the modulo but prevent zero. */
+ hval %= htab->size;
+ if (hval == 0)
+ ++hval;
+
+ /* The first index tried. */
+ idx = hval;
+
+ if (htab->table[idx].used)
+ {
+ /* Further action might be required according to the action value. */
+ unsigned hval2;
+
+ if (htab->table[idx].used == hval
+ && strcmp (item.key, htab->table[idx].entry.key) == 0)
+ {
+ if (action == ENTER)
+ htab->table[idx].entry.data = item.data;
+
+ *retval = &htab->table[idx].entry;
+ return 1;
+ }
+
+ /* Second hash function, as suggested in [Knuth] */
+ hval2 = 1 + hval % (htab->size - 2);
+
+ do
+ {
+ /* Because SIZE is prime this guarantees to step through all
+ available indexes. */
+ if (idx <= hval2)
+ idx = htab->size + idx - hval2;
+ else
+ idx -= hval2;
+
+ /* If we visited all entries leave the loop unsuccessfully. */
+ if (idx == hval)
+ break;
+
+ /* If entry is found use it. */
+ if (htab->table[idx].used == hval
+ && strcmp (item.key, htab->table[idx].entry.key) == 0)
+ {
+ if (action == ENTER)
+ htab->table[idx].entry.data = item.data;
+
+ *retval = &htab->table[idx].entry;
+ return 1;
+ }
+ }
+ while (htab->table[idx].used);
+ }
+
+ /* An empty bucket has been found. */
+ if (action == ENTER)
+ {
+ /* If table is full and another entry should be entered return
+ with error. */
+ if (action == ENTER && htab->filled == htab->size)
+ {
+ __set_errno (ENOMEM);
+ *retval = NULL;
+ return 0;
+ }
+
+ htab->table[idx].used = hval;
+ htab->table[idx].entry = item;
+
+ ++htab->filled;
+
+ *retval = &htab->table[idx].entry;
+ return 1;
+ }
+
+ __set_errno (ESRCH);
+ *retval = NULL;
+ return 0;
+}
diff --git a/src/conf.c b/src/conf.c
new file mode 100644
index 0000000..bb256e7
--- /dev/null
+++ b/src/conf.c
@@ -0,0 +1,4846 @@
+/**
+ * \file conf.c
+ * \ingroup Configuration
+ * \brief Configuration helper functions
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ *
+ * Tree based, full nesting configuration functions.
+ *
+ * See the \ref conf page for more details.
+ */
+/*
+ * Configuration helper functions
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>,
+ * Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page conf Configuration files
+
+<P>Configuration files use a simple format allowing modern
+data description like nesting and array assignments.</P>
+
+\section conf_whitespace Whitespace
+
+Whitespace is the collective name given to spaces (blanks), horizontal and
+vertical tabs, newline characters, and comments. Whitespace can
+indicate where configuration tokens start and end, but beyond this function,
+any surplus whitespace is discarded. For example, the two sequences
+
+\code
+ a 1 b 2
+\endcode
+
+and
+
+\code
+ a 1
+ b 2
+\endcode
+
+are lexically equivalent and parse identically to give the four tokens:
+
+\code
+a
+1
+b
+2
+\endcode
+
+The ASCII characters representing whitespace can occur within literal
+strings, in which case they are protected from the normal parsing process
+(they remain as part of the string). For example:
+
+\code
+ name "John Smith"
+\endcode
+
+parses to two tokens, including the single literal-string token "John
+Smith".
+
+\section conf_linesplicing Line continuation with \
+
+A special case occurs if a newline character in a string is preceded
+by a backslash (\). The backslash and the new line are both discarded,
+allowing two physical lines of text to be treated as one unit.
+
+\code
+"John \
+Smith"
+\endcode
+
+is parsed as "John Smith".
+
+\section conf_comments Comments
+
+A single-line comment begins with the character #. The comment can start
+at any position, and extends to the end of the line.
+
+\code
+ a 1 # this is a comment
+\endcode
+
+\section conf_include Including configuration files
+
+To include another configuration file, write the file name in angle brackets.
+The prefix \c confdir: will reference the global configuration directory.
+
+\code
+</etc/alsa1.conf>
+<confdir:pcm/surround.conf>
+\endcode
+
+\section conf_punctuators Punctuators
+
+The configuration punctuators (also known as separators) are:
+
+\code
+ {} [] , ; = . ' " new-line form-feed carriage-return whitespace
+\endcode
+
+\subsection conf_braces Braces
+
+Opening and closing braces { } indicate the start and end of a compound
+statement:
+
+\code
+a {
+ b 1
+}
+\endcode
+
+\subsection conf_brackets Brackets
+
+Opening and closing brackets indicate a single array definition. The
+identifiers are automatically generated starting with zero.
+
+\code
+a [
+ "first"
+ "second"
+]
+\endcode
+
+The above code is equal to
+
+\code
+a.0 "first"
+a.1 "second"
+\endcode
+
+\subsection conf_comma_semicolon Comma and semicolon
+
+The comma (,) or semicolon (;) can separate value assignments. It is not
+strictly required to use these separators because whitespace suffices to
+separate tokens.
+
+\code
+a 1;
+b 1,
+\endcode
+
+\subsection conf_equal Equal sign
+
+The equal sign (=) can separate variable declarations from
+initialization lists:
+
+\code
+a=1
+b=2
+\endcode
+
+Using equal signs is not required because whitespace suffices to separate
+tokens.
+
+\section conf_assigns Assignments
+
+The configuration file defines id (key) and value pairs. The id (key) can be
+composed from ASCII digits, characters from a to z and A to Z, and the
+underscore (_). The value can be either a string, an integer, a real number,
+or a compound statement.
+
+\subsection conf_single Single assignments
+
+\code
+a 1 # is equal to
+a=1 # is equal to
+a=1; # is equal to
+a 1,
+\endcode
+
+\subsection conf_compound Compound assignments (definitions using braces)
+
+\code
+a {
+ b = 1
+}
+a={
+ b 1,
+}
+\endcode
+
+\section conf_compound1 Compound assignments (one key definitions)
+
+\code
+a.b 1
+a.b=1
+\endcode
+
+\subsection conf_array Array assignments (definitions using brackets)
+
+\code
+a [
+ "first"
+ "second"
+]
+\endcode
+
+\subsection conf_array1 Array assignments (one key definitions)
+
+\code
+a.0 "first"
+a.1 "second"
+\endcode
+
+\section conf_mode Operation modes for parsing nodes
+
+By default, the node operation mode is 'merge+create', i.e., if
+a configuration node is not present a new one is created, otherwise
+the latest assignment is merged (if possible - type checking). The
+'merge+create' operation mode is specified with the prefix character plus (+).
+
+The operation mode 'merge' merges the node with the old one (which must
+exist). Type checking is done, so strings cannot be assigned to integers
+and so on. This mode is specified with the prefix character minus (-).
+
+The operation mode 'do not override' ignores a new configuration node
+if a configuration node with the same name exists. This mode is specified with
+the prefix character question mark (?).
+
+The operation mode 'override' always overrides the old configuration node
+with new contents. This mode is specified with the prefix character
+exclamation mark (!).
+
+\code
+defaults.pcm.!device 1
+\endcode
+
+\section conf_syntax_summary Syntax summary
+
+\code
+# Configuration file syntax
+
+# Include a new configuration file
+<filename>
+
+# Simple assignment
+name [=] value [,|;]
+
+# Compound assignment (first style)
+name [=] {
+ name1 [=] value [,|;]
+ ...
+}
+
+# Compound assignment (second style)
+name.name1 [=] value [,|;]
+
+# Array assignment (first style)
+name [
+ value0 [,|;]
+ value1 [,|;]
+ ...
+]
+
+# Array assignment (second style)
+name.0 [=] value0 [,|;]
+name.1 [=] value1 [,|;]
+\endcode
+
+\section conf_syntax_ref References
+
+\ref confarg
+\ref conffunc
+\ref confhooks
+
+*/
+
+/*! \page confarg Runtime arguments in configuration files
+
+<P>The ALSA library can accept runtime arguments for some configuration
+blocks. This extension is built on top of the basic configuration file
+syntax.<P>
+
+\section confarg_define Defining arguments
+
+Arguments are defined using the id (key) \c \@args and array values containing
+the string names of the arguments:
+
+\code
+@args [ CARD ] # or
+@args.0 CARD
+\endcode
+
+\section confarg_type Defining argument types and default values
+
+An argument's type is specified with the id (key) \c \@args and the argument
+name. The type and the default value are specified in the compound block:
+
+\code
+@args.CARD {
+ type string
+ default "abcd"
+}
+\endcode
+
+\section confarg_refer Referring to arguments
+
+Arguments are referred to with a dollar-sign ($) and the name of the argument:
+
+\code
+ card $CARD
+\endcode
+
+\section confarg_usage Usage
+
+To use a block with arguments, write the argument values after the key,
+separated with a colon (:). For example, all these names for PCM interfaces
+give the same result:
+
+\code
+hw:0,1
+hw:CARD=0,DEV=1
+hw:{CARD 0 DEV 1}
+plug:"hw:0,1"
+plug:{SLAVE="hw:{CARD 0 DEV 1}"}
+\endcode
+
+As you see, arguments can be specified in their proper order or by name.
+Note that arguments enclosed in braces are parsed in the same way as in
+configuration files, but using the override method by default.
+
+\section confarg_example Example
+
+\code
+pcm.demo {
+ @args [ CARD DEVICE ]
+ @args.CARD {
+ type string
+ default "supersonic"
+ }
+ @args.DEVICE {
+ type integer
+ default 0
+ }
+ type hw
+ card $CARD
+ device $DEVICE
+}
+\endcode
+
+*/
+
+/*! \page conffunc Runtime functions in configuration files
+
+<P>The ALSA library can modify the configuration at runtime.
+Several built-in functions are available.</P>
+
+<P>A function is defined with the id \c \@func and the function name. All other
+values in the current compound are used as configuration for the function.
+If the compound func.\<function_name\> is defined in the root node, then the
+library and function from this compound configuration are used, otherwise
+'snd_func_' is prefixed to the string and code from the ALSA library is used.
+The definition of a function looks like:</P>
+
+\code
+func.remove_first_char {
+ lib "/usr/lib/libasoundextend.so"
+ func "extend_remove_first_char"
+}
+\endcode
+
+*/
+
+/*! \page confhooks Hooks in configuration files
+
+<P>The hook extension in the ALSA library allows expansion of configuration
+nodes at run-time. The existence of a hook is determined by the
+presence of a \@hooks compound node.</P>
+
+<P>This example defines a hook which loads two configuration files at the
+beginning:</P>
+
+\code
+@hooks [
+ {
+ func load
+ files [
+ "/etc/asound.conf"
+ "~/.asoundrc"
+ ]
+ errors false
+ }
+]
+\endcode
+
+\section confhooks_ref Function reference
+
+<UL>
+ <LI>The function load - \c snd_config_hook_load() - loads and parses the
+ given configuration files.
+ <LI>The function load_for_all_cards - \c snd_config_hook_load_for_all_cards() -
+ loads and parses the given configuration files for each installed sound
+ card. The driver name (the type of the sound card) is passed in the
+ private configuration node.
+</UL>
+
+*/
+
+
+#include <stdarg.h>
+#include <limits.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <locale.h>
+#include "local.h"
+#ifdef HAVE_LIBPTHREAD
+#include <pthread.h>
+#endif
+
+#ifndef DOC_HIDDEN
+
+#ifdef HAVE_LIBPTHREAD
+static pthread_mutex_t snd_config_update_mutex;
+static pthread_once_t snd_config_update_mutex_once = PTHREAD_ONCE_INIT;
+#endif
+
+struct _snd_config {
+ char *id;
+ snd_config_type_t type;
+ union {
+ long integer;
+ long long integer64;
+ char *string;
+ double real;
+ const void *ptr;
+ struct {
+ struct list_head fields;
+ int join;
+ } compound;
+ } u;
+ struct list_head list;
+ snd_config_t *parent;
+ int hop;
+};
+
+struct filedesc {
+ char *name;
+ snd_input_t *in;
+ unsigned int line, column;
+ struct filedesc *next;
+};
+
+#define LOCAL_ERROR (-0x68000000)
+
+#define LOCAL_UNTERMINATED_STRING (LOCAL_ERROR - 0)
+#define LOCAL_UNTERMINATED_QUOTE (LOCAL_ERROR - 1)
+#define LOCAL_UNEXPECTED_CHAR (LOCAL_ERROR - 2)
+#define LOCAL_UNEXPECTED_EOF (LOCAL_ERROR - 3)
+
+typedef struct {
+ struct filedesc *current;
+ int unget;
+ int ch;
+} input_t;
+
+#ifdef HAVE_LIBPTHREAD
+
+static void snd_config_init_mutex(void)
+{
+ pthread_mutexattr_t attr;
+
+ pthread_mutexattr_init(&attr);
+ pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+ pthread_mutex_init(&snd_config_update_mutex, &attr);
+ pthread_mutexattr_destroy(&attr);
+}
+
+static inline void snd_config_lock(void)
+{
+ pthread_once(&snd_config_update_mutex_once, snd_config_init_mutex);
+ pthread_mutex_lock(&snd_config_update_mutex);
+}
+
+static inline void snd_config_unlock(void)
+{
+ pthread_mutex_unlock(&snd_config_update_mutex);
+}
+
+#else
+
+static inline void snd_config_lock(void) { }
+static inline void snd_config_unlock(void) { }
+
+#endif
+
+static int safe_strtoll(const char *str, long long *val)
+{
+ long long v;
+ int endidx;
+ if (!*str)
+ return -EINVAL;
+ errno = 0;
+ if (sscanf(str, "%lli%n", &v, &endidx) < 1)
+ return -EINVAL;
+ if (str[endidx])
+ return -EINVAL;
+ *val = v;
+ return 0;
+}
+
+int safe_strtol(const char *str, long *val)
+{
+ char *end;
+ long v;
+ if (!*str)
+ return -EINVAL;
+ errno = 0;
+ v = strtol(str, &end, 0);
+ if (errno)
+ return -errno;
+ if (*end)
+ return -EINVAL;
+ *val = v;
+ return 0;
+}
+
+static int safe_strtod(const char *str, double *val)
+{
+ char *end;
+ double v;
+#ifdef HAVE_USELOCALE
+ locale_t saved_locale, c_locale;
+#else
+ char *saved_locale;
+ char locstr[64]; /* enough? */
+#endif
+ int err;
+
+ if (!*str)
+ return -EINVAL;
+#ifdef HAVE_USELOCALE
+ c_locale = newlocale(LC_NUMERIC_MASK, "C", 0);
+ saved_locale = uselocale(c_locale);
+#else
+ saved_locale = setlocale(LC_NUMERIC, NULL);
+ if (saved_locale) {
+ snprintf(locstr, sizeof(locstr), "%s", saved_locale);
+ setlocale(LC_NUMERIC, "C");
+ }
+#endif
+ errno = 0;
+ v = strtod(str, &end);
+ err = -errno;
+#ifdef HAVE_USELOCALE
+ if (c_locale != (locale_t)0) {
+ uselocale(saved_locale);
+ freelocale(c_locale);
+ }
+#else
+ if (saved_locale)
+ setlocale(LC_NUMERIC, locstr);
+#endif
+ if (err)
+ return err;
+ if (*end)
+ return -EINVAL;
+ *val = v;
+ return 0;
+}
+
+static int get_char(input_t *input)
+{
+ int c;
+ struct filedesc *fd;
+ if (input->unget) {
+ input->unget = 0;
+ return input->ch;
+ }
+ again:
+ fd = input->current;
+ c = snd_input_getc(fd->in);
+ switch (c) {
+ case '\n':
+ fd->column = 0;
+ fd->line++;
+ break;
+ case '\t':
+ fd->column += 8 - fd->column % 8;
+ break;
+ case EOF:
+ if (fd->next) {
+ snd_input_close(fd->in);
+ free(fd->name);
+ input->current = fd->next;
+ free(fd);
+ goto again;
+ }
+ return LOCAL_UNEXPECTED_EOF;
+ default:
+ fd->column++;
+ break;
+ }
+ return (unsigned char)c;
+}
+
+static void unget_char(int c, input_t *input)
+{
+ assert(!input->unget);
+ input->ch = c;
+ input->unget = 1;
+}
+
+static int get_delimstring(char **string, int delim, input_t *input);
+
+static int get_char_skip_comments(input_t *input)
+{
+ int c;
+ while (1) {
+ c = get_char(input);
+ if (c == '<') {
+ char *str;
+ snd_input_t *in;
+ struct filedesc *fd;
+ int err = get_delimstring(&str, '>', input);
+ if (err < 0)
+ return err;
+ if (!strncmp(str, "confdir:", 8)) {
+ char *tmp = malloc(strlen(ALSA_CONFIG_DIR) + 1 + strlen(str + 8) + 1);
+ if (tmp == NULL) {
+ free(str);
+ return -ENOMEM;
+ }
+ sprintf(tmp, ALSA_CONFIG_DIR "/%s", str + 8);
+ free(str);
+ str = tmp;
+ }
+ err = snd_input_stdio_open(&in, str, "r");
+ if (err < 0) {
+ SNDERR("Cannot access file %s", str);
+ free(str);
+ return err;
+ }
+ fd = malloc(sizeof(*fd));
+ if (!fd) {
+ free(str);
+ return -ENOMEM;
+ }
+ fd->name = str;
+ fd->in = in;
+ fd->next = input->current;
+ fd->line = 1;
+ fd->column = 0;
+ input->current = fd;
+ continue;
+ }
+ if (c != '#')
+ break;
+ while (1) {
+ c = get_char(input);
+ if (c < 0)
+ return c;
+ if (c == '\n')
+ break;
+ }
+ }
+
+ return c;
+}
+
+
+static int get_nonwhite(input_t *input)
+{
+ int c;
+ while (1) {
+ c = get_char_skip_comments(input);
+ switch (c) {
+ case ' ':
+ case '\f':
+ case '\t':
+ case '\n':
+ case '\r':
+ break;
+ default:
+ return c;
+ }
+ }
+}
+
+static int get_quotedchar(input_t *input)
+{
+ int c;
+ c = get_char(input);
+ switch (c) {
+ case 'n':
+ return '\n';
+ case 't':
+ return '\t';
+ case 'v':
+ return '\v';
+ case 'b':
+ return '\b';
+ case 'r':
+ return '\r';
+ case 'f':
+ return '\f';
+ case '0' ... '7':
+ {
+ int num = c - '0';
+ int i = 1;
+ do {
+ c = get_char(input);
+ if (c < '0' || c > '7') {
+ unget_char(c, input);
+ break;
+ }
+ num = num * 8 + c - '0';
+ i++;
+ } while (i < 3);
+ return num;
+ }
+ default:
+ return c;
+ }
+}
+
+#define LOCAL_STR_BUFSIZE 64
+struct local_string {
+ char *buf;
+ size_t alloc;
+ size_t idx;
+ char tmpbuf[LOCAL_STR_BUFSIZE];
+};
+
+static void init_local_string(struct local_string *s)
+{
+ memset(s, 0, sizeof(*s));
+ s->buf = s->tmpbuf;
+ s->alloc = LOCAL_STR_BUFSIZE;
+}
+
+static void free_local_string(struct local_string *s)
+{
+ if (s->buf != s->tmpbuf)
+ free(s->buf);
+}
+
+static int add_char_local_string(struct local_string *s, int c)
+{
+ if (s->idx >= s->alloc) {
+ size_t nalloc = s->alloc * 2;
+ if (s->buf == s->tmpbuf) {
+ s->buf = malloc(nalloc);
+ if (s->buf == NULL)
+ return -ENOMEM;
+ memcpy(s->buf, s->tmpbuf, s->alloc);
+ } else {
+ char *ptr = realloc(s->buf, nalloc);
+ if (ptr == NULL)
+ return -ENOMEM;
+ s->buf = ptr;
+ }
+ s->alloc = nalloc;
+ }
+ s->buf[s->idx++] = c;
+ return 0;
+}
+
+static char *copy_local_string(struct local_string *s)
+{
+ char *dst = malloc(s->idx + 1);
+ if (dst) {
+ memcpy(dst, s->buf, s->idx);
+ dst[s->idx] = '\0';
+ }
+ return dst;
+}
+
+static int get_freestring(char **string, int id, input_t *input)
+{
+ struct local_string str;
+ int c;
+
+ init_local_string(&str);
+ while (1) {
+ c = get_char(input);
+ if (c < 0) {
+ if (c == LOCAL_UNEXPECTED_EOF) {
+ *string = copy_local_string(&str);
+ if (! *string)
+ c = -ENOMEM;
+ else
+ c = 0;
+ }
+ break;
+ }
+ switch (c) {
+ case '.':
+ if (!id)
+ break;
+ case ' ':
+ case '\f':
+ case '\t':
+ case '\n':
+ case '\r':
+ case '=':
+ case ',':
+ case ';':
+ case '{':
+ case '}':
+ case '[':
+ case ']':
+ case '\'':
+ case '"':
+ case '\\':
+ case '#':
+ *string = copy_local_string(&str);
+ if (! *string)
+ c = -ENOMEM;
+ else {
+ unget_char(c, input);
+ c = 0;
+ }
+ goto _out;
+ default:
+ break;
+ }
+ if (add_char_local_string(&str, c) < 0) {
+ c = -ENOMEM;
+ break;
+ }
+ }
+ _out:
+ free_local_string(&str);
+ return c;
+}
+
+static int get_delimstring(char **string, int delim, input_t *input)
+{
+ struct local_string str;
+ int c;
+
+ init_local_string(&str);
+ while (1) {
+ c = get_char(input);
+ if (c < 0)
+ break;
+ if (c == '\\') {
+ c = get_quotedchar(input);
+ if (c < 0)
+ break;
+ if (c == '\n')
+ continue;
+ } else if (c == delim) {
+ *string = copy_local_string(&str);
+ if (! *string)
+ c = -ENOMEM;
+ else
+ c = 0;
+ break;
+ }
+ if (add_char_local_string(&str, c) < 0) {
+ c = -ENOMEM;
+ break;
+ }
+ }
+ free_local_string(&str);
+ return c;
+}
+
+/* Return 0 for free string, 1 for delimited string */
+static int get_string(char **string, int id, input_t *input)
+{
+ int c = get_nonwhite(input), err;
+ if (c < 0)
+ return c;
+ switch (c) {
+ case '=':
+ case ',':
+ case ';':
+ case '.':
+ case '{':
+ case '}':
+ case '[':
+ case ']':
+ case '\\':
+ return LOCAL_UNEXPECTED_CHAR;
+ case '\'':
+ case '"':
+ err = get_delimstring(string, c, input);
+ if (err < 0)
+ return err;
+ return 1;
+ default:
+ unget_char(c, input);
+ err = get_freestring(string, id, input);
+ if (err < 0)
+ return err;
+ return 0;
+ }
+}
+
+static int _snd_config_make(snd_config_t **config, char **id, snd_config_type_t type)
+{
+ snd_config_t *n;
+ assert(config);
+ n = calloc(1, sizeof(*n));
+ if (n == NULL) {
+ if (*id) {
+ free(*id);
+ *id = NULL;
+ }
+ return -ENOMEM;
+ }
+ if (id) {
+ n->id = *id;
+ *id = NULL;
+ }
+ n->type = type;
+ if (type == SND_CONFIG_TYPE_COMPOUND)
+ INIT_LIST_HEAD(&n->u.compound.fields);
+ *config = n;
+ return 0;
+}
+
+
+static int _snd_config_make_add(snd_config_t **config, char **id,
+ snd_config_type_t type, snd_config_t *parent)
+{
+ snd_config_t *n;
+ int err;
+ assert(parent->type == SND_CONFIG_TYPE_COMPOUND);
+ err = _snd_config_make(&n, id, type);
+ if (err < 0)
+ return err;
+ n->parent = parent;
+ list_add_tail(&n->list, &parent->u.compound.fields);
+ *config = n;
+ return 0;
+}
+
+static int _snd_config_search(snd_config_t *config,
+ const char *id, int len, snd_config_t **result)
+{
+ snd_config_iterator_t i, next;
+ snd_config_for_each(i, next, config) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (len < 0) {
+ if (strcmp(n->id, id) != 0)
+ continue;
+ } else if (strlen(n->id) != (size_t) len ||
+ memcmp(n->id, id, (size_t) len) != 0)
+ continue;
+ if (result)
+ *result = n;
+ return 0;
+ }
+ return -ENOENT;
+}
+
+static int parse_value(snd_config_t **_n, snd_config_t *parent, input_t *input, char **id, int skip)
+{
+ snd_config_t *n = *_n;
+ char *s;
+ int err;
+
+ err = get_string(&s, 0, input);
+ if (err < 0)
+ return err;
+ if (skip) {
+ free(s);
+ return 0;
+ }
+ if (err == 0 && ((s[0] >= '0' && s[0] <= '9') || s[0] == '-')) {
+ long long i;
+ errno = 0;
+ err = safe_strtoll(s, &i);
+ if (err < 0) {
+ double r;
+ err = safe_strtod(s, &r);
+ if (err >= 0) {
+ free(s);
+ if (n) {
+ if (n->type != SND_CONFIG_TYPE_REAL) {
+ SNDERR("%s is not a real", *id);
+ return -EINVAL;
+ }
+ } else {
+ err = _snd_config_make_add(&n, id, SND_CONFIG_TYPE_REAL, parent);
+ if (err < 0)
+ return err;
+ }
+ n->u.real = r;
+ *_n = n;
+ return 0;
+ }
+ } else {
+ free(s);
+ if (n) {
+ if (n->type != SND_CONFIG_TYPE_INTEGER && n->type != SND_CONFIG_TYPE_INTEGER64) {
+ SNDERR("%s is not an integer", *id);
+ return -EINVAL;
+ }
+ } else {
+ if (i <= INT_MAX)
+ err = _snd_config_make_add(&n, id, SND_CONFIG_TYPE_INTEGER, parent);
+ else
+ err = _snd_config_make_add(&n, id, SND_CONFIG_TYPE_INTEGER64, parent);
+ if (err < 0)
+ return err;
+ }
+ if (n->type == SND_CONFIG_TYPE_INTEGER)
+ n->u.integer = (long) i;
+ else
+ n->u.integer64 = i;
+ *_n = n;
+ return 0;
+ }
+ }
+ if (n) {
+ if (n->type != SND_CONFIG_TYPE_STRING) {
+ SNDERR("%s is not a string", *id);
+ free(s);
+ return -EINVAL;
+ }
+ } else {
+ err = _snd_config_make_add(&n, id, SND_CONFIG_TYPE_STRING, parent);
+ if (err < 0)
+ return err;
+ }
+ free(n->u.string);
+ n->u.string = s;
+ *_n = n;
+ return 0;
+}
+
+static int parse_defs(snd_config_t *parent, input_t *input, int skip, int override);
+static int parse_array_defs(snd_config_t *farther, input_t *input, int skip, int override);
+
+static int parse_array_def(snd_config_t *parent, input_t *input, int idx, int skip, int override)
+{
+ char *id = NULL;
+ int c;
+ int err;
+ snd_config_t *n = NULL;
+
+ if (!skip) {
+ char static_id[12];
+ snprintf(static_id, sizeof(static_id), "%i", idx);
+ id = strdup(static_id);
+ if (id == NULL)
+ return -ENOMEM;
+ }
+ c = get_nonwhite(input);
+ if (c < 0) {
+ err = c;
+ goto __end;
+ }
+ switch (c) {
+ case '{':
+ case '[':
+ {
+ char endchr;
+ if (!skip) {
+ if (n) {
+ if (n->type != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("%s is not a compound", id);
+ err = -EINVAL;
+ goto __end;
+ }
+ } else {
+ err = _snd_config_make_add(&n, &id, SND_CONFIG_TYPE_COMPOUND, parent);
+ if (err < 0)
+ goto __end;
+ }
+ }
+ if (c == '{') {
+ err = parse_defs(n, input, skip, override);
+ endchr = '}';
+ } else {
+ err = parse_array_defs(n, input, skip, override);
+ endchr = ']';
+ }
+ c = get_nonwhite(input);
+ if (c < 0) {
+ err = c;
+ goto __end;
+ }
+ if (c != endchr) {
+ if (n)
+ snd_config_delete(n);
+ err = LOCAL_UNEXPECTED_CHAR;
+ goto __end;
+ }
+ break;
+ }
+ default:
+ unget_char(c, input);
+ err = parse_value(&n, parent, input, &id, skip);
+ if (err < 0)
+ goto __end;
+ break;
+ }
+ err = 0;
+ __end:
+ free(id);
+ return err;
+}
+
+static int parse_array_defs(snd_config_t *parent, input_t *input, int skip, int override)
+{
+ int idx = 0;
+ while (1) {
+ int c = get_nonwhite(input), err;
+ if (c < 0)
+ return c;
+ unget_char(c, input);
+ if (c == ']')
+ return 0;
+ err = parse_array_def(parent, input, idx++, skip, override);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int parse_def(snd_config_t *parent, input_t *input, int skip, int override)
+{
+ char *id = NULL;
+ int c;
+ int err;
+ snd_config_t *n;
+ enum {MERGE_CREATE, MERGE, OVERRIDE, DONT_OVERRIDE} mode;
+ while (1) {
+ c = get_nonwhite(input);
+ if (c < 0)
+ return c;
+ switch (c) {
+ case '+':
+ mode = MERGE_CREATE;
+ break;
+ case '-':
+ mode = MERGE;
+ break;
+ case '?':
+ mode = DONT_OVERRIDE;
+ break;
+ case '!':
+ mode = OVERRIDE;
+ break;
+ default:
+ mode = !override ? MERGE_CREATE : OVERRIDE;
+ unget_char(c, input);
+ }
+ err = get_string(&id, 1, input);
+ if (err < 0)
+ return err;
+ c = get_nonwhite(input);
+ if (c != '.')
+ break;
+ if (skip) {
+ free(id);
+ continue;
+ }
+ if (_snd_config_search(parent, id, -1, &n) == 0) {
+ if (mode == DONT_OVERRIDE) {
+ skip = 1;
+ free(id);
+ continue;
+ }
+ if (mode != OVERRIDE) {
+ if (n->type != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("%s is not a compound", id);
+ return -EINVAL;
+ }
+ n->u.compound.join = 1;
+ parent = n;
+ free(id);
+ continue;
+ }
+ snd_config_delete(n);
+ }
+ if (mode == MERGE) {
+ SNDERR("%s does not exists", id);
+ err = -ENOENT;
+ goto __end;
+ }
+ err = _snd_config_make_add(&n, &id, SND_CONFIG_TYPE_COMPOUND, parent);
+ if (err < 0)
+ goto __end;
+ n->u.compound.join = 1;
+ parent = n;
+ }
+ if (c == '=') {
+ c = get_nonwhite(input);
+ if (c < 0)
+ return c;
+ }
+ if (!skip) {
+ if (_snd_config_search(parent, id, -1, &n) == 0) {
+ if (mode == DONT_OVERRIDE) {
+ skip = 1;
+ n = NULL;
+ } else if (mode == OVERRIDE) {
+ snd_config_delete(n);
+ n = NULL;
+ }
+ } else {
+ n = NULL;
+ if (mode == MERGE) {
+ SNDERR("%s does not exists", id);
+ err = -ENOENT;
+ goto __end;
+ }
+ }
+ }
+ switch (c) {
+ case '{':
+ case '[':
+ {
+ char endchr;
+ if (!skip) {
+ if (n) {
+ if (n->type != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("%s is not a compound", id);
+ err = -EINVAL;
+ goto __end;
+ }
+ } else {
+ err = _snd_config_make_add(&n, &id, SND_CONFIG_TYPE_COMPOUND, parent);
+ if (err < 0)
+ goto __end;
+ }
+ }
+ if (c == '{') {
+ err = parse_defs(n, input, skip, override);
+ endchr = '}';
+ } else {
+ err = parse_array_defs(n, input, skip, override);
+ endchr = ']';
+ }
+ c = get_nonwhite(input);
+ if (c != endchr) {
+ if (n)
+ snd_config_delete(n);
+ err = LOCAL_UNEXPECTED_CHAR;
+ goto __end;
+ }
+ break;
+ }
+ default:
+ unget_char(c, input);
+ err = parse_value(&n, parent, input, &id, skip);
+ if (err < 0)
+ goto __end;
+ break;
+ }
+ c = get_nonwhite(input);
+ switch (c) {
+ case ';':
+ case ',':
+ break;
+ default:
+ unget_char(c, input);
+ }
+ __end:
+ free(id);
+ return err;
+}
+
+static int parse_defs(snd_config_t *parent, input_t *input, int skip, int override)
+{
+ int c, err;
+ while (1) {
+ c = get_nonwhite(input);
+ if (c < 0)
+ return c == LOCAL_UNEXPECTED_EOF ? 0 : c;
+ unget_char(c, input);
+ if (c == '}')
+ return 0;
+ err = parse_def(parent, input, skip, override);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static void string_print(char *str, int id, snd_output_t *out)
+{
+ unsigned char *p = (unsigned char *)str;
+ if (!p || !*p) {
+ snd_output_puts(out, "''");
+ return;
+ }
+ if (!id) {
+ switch (*p) {
+ case '0' ... '9':
+ case '-':
+ goto quoted;
+ }
+ }
+ loop:
+ switch (*p) {
+ case 0:
+ goto nonquoted;
+ case 1 ... 31:
+ case 127 ... 255:
+ case ' ':
+ case '=':
+ case ';':
+ case ',':
+ case '.':
+ case '{':
+ case '}':
+ case '\'':
+ case '"':
+ goto quoted;
+ default:
+ p++;
+ goto loop;
+ }
+ nonquoted:
+ snd_output_puts(out, str);
+ return;
+ quoted:
+ snd_output_putc(out, '\'');
+ p = (unsigned char *)str;
+ while (*p) {
+ int c;
+ c = *p;
+ switch (c) {
+ case '\n':
+ snd_output_putc(out, '\\');
+ snd_output_putc(out, 'n');
+ break;
+ case '\t':
+ snd_output_putc(out, '\\');
+ snd_output_putc(out, 't');
+ break;
+ case '\v':
+ snd_output_putc(out, '\\');
+ snd_output_putc(out, 'v');
+ break;
+ case '\b':
+ snd_output_putc(out, '\\');
+ snd_output_putc(out, 'b');
+ break;
+ case '\r':
+ snd_output_putc(out, '\\');
+ snd_output_putc(out, 'r');
+ break;
+ case '\f':
+ snd_output_putc(out, '\\');
+ snd_output_putc(out, 'f');
+ break;
+ case '\'':
+ snd_output_putc(out, '\\');
+ snd_output_putc(out, c);
+ break;
+ case 32 ... '\'' - 1:
+ case '\'' + 1 ... 126:
+ snd_output_putc(out, c);
+ break;
+ default:
+ snd_output_printf(out, "\\%04o", c);
+ break;
+ }
+ p++;
+ }
+ snd_output_putc(out, '\'');
+}
+
+static int _snd_config_save_children(snd_config_t *config, snd_output_t *out,
+ unsigned int level, unsigned int joins);
+
+static int _snd_config_save_node_value(snd_config_t *n, snd_output_t *out,
+ unsigned int level)
+{
+ int err;
+ unsigned int k;
+ switch (n->type) {
+ case SND_CONFIG_TYPE_INTEGER:
+ snd_output_printf(out, "%ld", n->u.integer);
+ break;
+ case SND_CONFIG_TYPE_INTEGER64:
+ snd_output_printf(out, "%lld", n->u.integer64);
+ break;
+ case SND_CONFIG_TYPE_REAL:
+ snd_output_printf(out, "%-16g", n->u.real);
+ break;
+ case SND_CONFIG_TYPE_STRING:
+ string_print(n->u.string, 0, out);
+ break;
+ case SND_CONFIG_TYPE_POINTER:
+ SNDERR("cannot save runtime pointer type");
+ return -EINVAL;
+ case SND_CONFIG_TYPE_COMPOUND:
+ snd_output_putc(out, '{');
+ snd_output_putc(out, '\n');
+ err = _snd_config_save_children(n, out, level + 1, 0);
+ if (err < 0)
+ return err;
+ for (k = 0; k < level; ++k) {
+ snd_output_putc(out, '\t');
+ }
+ snd_output_putc(out, '}');
+ break;
+ }
+ return 0;
+}
+
+static void id_print(snd_config_t *n, snd_output_t *out, unsigned int joins)
+{
+ if (joins > 0) {
+ assert(n->parent);
+ id_print(n->parent, out, joins - 1);
+ snd_output_putc(out, '.');
+ }
+ string_print(n->id, 1, out);
+}
+
+static int _snd_config_save_children(snd_config_t *config, snd_output_t *out,
+ unsigned int level, unsigned int joins)
+{
+ unsigned int k;
+ int err;
+ snd_config_iterator_t i, next;
+ assert(config && out);
+ snd_config_for_each(i, next, config) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (n->type == SND_CONFIG_TYPE_COMPOUND &&
+ n->u.compound.join) {
+ err = _snd_config_save_children(n, out, level, joins + 1);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ for (k = 0; k < level; ++k) {
+ snd_output_putc(out, '\t');
+ }
+ id_print(n, out, joins);
+#if 0
+ snd_output_putc(out, ' ');
+ snd_output_putc(out, '=');
+#endif
+ snd_output_putc(out, ' ');
+ err = _snd_config_save_node_value(n, out, level);
+ if (err < 0)
+ return err;
+#if 0
+ snd_output_putc(out, ';');
+#endif
+ snd_output_putc(out, '\n');
+ }
+ return 0;
+}
+#endif
+
+
+/**
+ * \brief Substitutes one configuration node to another.
+ * \param dst Handle to the destination node.
+ * \param src Handle to the source node. Must not be the same as \a dst.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * If both nodes are compounds, the source compound node members are
+ * appended to the destination compound node.
+ *
+ * If the destination node is a compound and the source node is
+ * an ordinary type, the compound members are deleted (including
+ * their contents).
+ *
+ * Otherwise, the source node's value replaces the destination node's
+ * value.
+ *
+ * In any case, a successful call to this function frees the source
+ * node.
+ */
+int snd_config_substitute(snd_config_t *dst, snd_config_t *src)
+{
+ assert(dst && src);
+ if (dst->type == SND_CONFIG_TYPE_COMPOUND &&
+ src->type == SND_CONFIG_TYPE_COMPOUND) { /* append */
+ snd_config_iterator_t i, next;
+ snd_config_for_each(i, next, src) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ n->parent = dst;
+ }
+ src->u.compound.fields.next->prev = &dst->u.compound.fields;
+ src->u.compound.fields.prev->next = &dst->u.compound.fields;
+ } else if (dst->type == SND_CONFIG_TYPE_COMPOUND) {
+ int err;
+ err = snd_config_delete_compound_members(dst);
+ if (err < 0)
+ return err;
+ }
+ free(dst->id);
+ dst->id = src->id;
+ dst->type = src->type;
+ dst->u = src->u;
+ free(src);
+ return 0;
+}
+
+/**
+ * \brief Converts an ASCII string to a configuration node type.
+ * \param[in] ascii A string containing a configuration node type.
+ * \param[out] type The node type corresponding to \a ascii.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function recognizes at least the following node types:
+ * <dl>
+ * <dt>integer<dt>#SND_CONFIG_TYPE_INTEGER
+ * <dt>integer64<dt>#SND_CONFIG_TYPE_INTEGER64
+ * <dt>real<dt>#SND_CONFIG_TYPE_REAL
+ * <dt>string<dt>#SND_CONFIG_TYPE_STRING
+ * <dt>compound<dt>#SND_CONFIG_TYPE_COMPOUND
+ * </dl>
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>Unknown note type in \a type.
+ * </dl>
+ */
+int snd_config_get_type_ascii(const char *ascii, snd_config_type_t *type)
+{
+ assert(ascii && type);
+ if (!strcmp(ascii, "integer")) {
+ *type = SND_CONFIG_TYPE_INTEGER;
+ return 0;
+ }
+ if (!strcmp(ascii, "integer64")) {
+ *type = SND_CONFIG_TYPE_INTEGER64;
+ return 0;
+ }
+ if (!strcmp(ascii, "real")) {
+ *type = SND_CONFIG_TYPE_REAL;
+ return 0;
+ }
+ if (!strcmp(ascii, "string")) {
+ *type = SND_CONFIG_TYPE_STRING;
+ return 0;
+ }
+ if (!strcmp(ascii, "compound")) {
+ *type = SND_CONFIG_TYPE_COMPOUND;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief Returns the type of a configuration node.
+ * \param config Handle to the configuration node.
+ * \return The node's type.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+snd_config_type_t snd_config_get_type(const snd_config_t *config)
+{
+ return config->type;
+}
+
+/**
+ * \brief Returns the id of a configuration node.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] id The function puts the pointer to the id string at the
+ * address specified by \a id.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * The returned string is owned by the configuration node; the application
+ * must not modify or delete it, and the string becomes invalid when the
+ * node's id changes or when the node is freed.
+ *
+ * If the node does not have an id, \a *id is set to \c NULL.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_get_id(const snd_config_t *config, const char **id)
+{
+ assert(config && id);
+ *id = config->id;
+ return 0;
+}
+
+/**
+ * \brief Sets the id of a configuration node.
+ * \param config Handle to the configuration node.
+ * \param id The new node id, must not be \c NULL.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function stores a copy of \a id in the node.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EEXIST<dd>One of \a config's siblings already has the id \a id.
+ * <dt>-EINVAL<dd>The id of a node with a parent cannot be set to \c NULL.
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ */
+int snd_config_set_id(snd_config_t *config, const char *id)
+{
+ snd_config_iterator_t i, next;
+ char *new_id;
+ assert(config);
+ if (id) {
+ if (config->parent) {
+ snd_config_for_each(i, next, config->parent) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (n != config && strcmp(id, n->id) == 0)
+ return -EEXIST;
+ }
+ }
+ new_id = strdup(id);
+ if (!new_id)
+ return -ENOMEM;
+ } else {
+ if (config->parent)
+ return -EINVAL;
+ new_id = NULL;
+ }
+ free(config->id);
+ config->id = new_id;
+ return 0;
+}
+
+/**
+ * \brief Creates a top level configuration node.
+ * \param[out] config Handle to the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * The returned node is an empty compound node without a parent and
+ * without an id.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_top(snd_config_t **config)
+{
+ assert(config);
+ return _snd_config_make(config, 0, SND_CONFIG_TYPE_COMPOUND);
+}
+
+static int snd_config_load1(snd_config_t *config, snd_input_t *in, int override)
+{
+ int err;
+ input_t input;
+ struct filedesc *fd, *fd_next;
+ assert(config && in);
+ fd = malloc(sizeof(*fd));
+ if (!fd)
+ return -ENOMEM;
+ fd->name = NULL;
+ fd->in = in;
+ fd->line = 1;
+ fd->column = 0;
+ fd->next = NULL;
+ input.current = fd;
+ input.unget = 0;
+ err = parse_defs(config, &input, 0, override);
+ fd = input.current;
+ if (err < 0) {
+ const char *str;
+ switch (err) {
+ case LOCAL_UNTERMINATED_STRING:
+ str = "Unterminated string";
+ err = -EINVAL;
+ break;
+ case LOCAL_UNTERMINATED_QUOTE:
+ str = "Unterminated quote";
+ err = -EINVAL;
+ break;
+ case LOCAL_UNEXPECTED_CHAR:
+ str = "Unexpected char";
+ err = -EINVAL;
+ break;
+ case LOCAL_UNEXPECTED_EOF:
+ str = "Unexpected end of file";
+ err = -EINVAL;
+ break;
+ default:
+ str = strerror(-err);
+ break;
+ }
+ SNDERR("%s:%d:%d:%s", fd->name ? fd->name : "_toplevel_", fd->line, fd->column, str);
+ goto _end;
+ }
+ if (get_char(&input) != LOCAL_UNEXPECTED_EOF) {
+ SNDERR("%s:%d:%d:Unexpected }", fd->name ? fd->name : "", fd->line, fd->column);
+ err = -EINVAL;
+ goto _end;
+ }
+ _end:
+ while (fd->next) {
+ fd_next = fd->next;
+ snd_input_close(fd->in);
+ free(fd->name);
+ free(fd);
+ fd = fd_next;
+ }
+ free(fd);
+ return err;
+}
+
+/**
+ * \brief Loads a configuration tree.
+ * \param config Handle to a top level configuration node.
+ * \param in Input handle to read the configuration from.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * The definitions loaded from the input are added to \a config, which
+ * must be a compound node.
+ *
+ * \par Errors:
+ * Any errors encountered when parsing the input or returned by hooks or
+ * functions.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_load(snd_config_t *config, snd_input_t *in)
+{
+ return snd_config_load1(config, in, 0);
+}
+
+/**
+ * \brief Loads a configuration tree and overrides existing configuration nodes.
+ * \param config Handle to a top level configuration node.
+ * \param in Input handle to read the configuration from.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function loads definitions from \a in into \a config like
+ * #snd_config_load, but the default mode for input nodes is 'override'
+ * (!) instead of 'merge+create' (+).
+ */
+int snd_config_load_override(snd_config_t *config, snd_input_t *in)
+{
+ return snd_config_load1(config, in, 1);
+}
+
+/**
+ * \brief Adds a child to a compound configuration node.
+ * \param parent Handle to a compound configuration node.
+ * \param child Handle to the configuration node to be added.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function makes the node \a child a child of the node \a parent.
+ *
+ * The parent node then owns the child node, i.e., the child node gets
+ * deleted together with its parent.
+ *
+ * \a child must have an id.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a child does not have an id.
+ * <dt>-EINVAL<dd>\a child already has a parent.
+ * <dt>-EEXIST<dd>\a parent already contains a child node with the same
+ * id as \a child.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_add(snd_config_t *parent, snd_config_t *child)
+{
+ snd_config_iterator_t i, next;
+ assert(parent && child);
+ if (!child->id || child->parent)
+ return -EINVAL;
+ snd_config_for_each(i, next, parent) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (strcmp(child->id, n->id) == 0)
+ return -EEXIST;
+ }
+ child->parent = parent;
+ list_add_tail(&child->list, &parent->u.compound.fields);
+ return 0;
+}
+
+/**
+ * \brief Removes a configuration node from its tree.
+ * \param config Handle to the configuration node to be removed.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function makes \a config a top-level node, i.e., if \a config
+ * has a parent, then \a config is removed from the list of the parent's
+ * children.
+ *
+ * This functions does \e not free the removed node.
+ *
+ * \sa snd_config_delete
+ */
+int snd_config_remove(snd_config_t *config)
+{
+ assert(config);
+ if (config->parent)
+ list_del(&config->list);
+ config->parent = NULL;
+ return 0;
+}
+
+/**
+ * \brief Frees a configuration node.
+ * \param config Handle to the configuration node to be deleted.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function frees a configuration node and all its resources.
+ *
+ * If the node is a child node, it is removed from the tree before being
+ * deleted.
+ *
+ * If the node is a compound node, its descendants (the whole subtree)
+ * are deleted recursively.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ *
+ * \sa snd_config_remove
+ */
+int snd_config_delete(snd_config_t *config)
+{
+ assert(config);
+ switch (config->type) {
+ case SND_CONFIG_TYPE_COMPOUND:
+ {
+ int err;
+ struct list_head *i;
+ i = config->u.compound.fields.next;
+ while (i != &config->u.compound.fields) {
+ struct list_head *nexti = i->next;
+ snd_config_t *child = snd_config_iterator_entry(i);
+ err = snd_config_delete(child);
+ if (err < 0)
+ return err;
+ i = nexti;
+ }
+ break;
+ }
+ case SND_CONFIG_TYPE_STRING:
+ free(config->u.string);
+ break;
+ default:
+ break;
+ }
+ if (config->parent)
+ list_del(&config->list);
+ free(config->id);
+ free(config);
+ return 0;
+}
+
+/**
+ * \brief Deletes the children of a node.
+ * \param config Handle to the compound configuration node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function removes and frees all children of a configuration node.
+ *
+ * Any compound nodes among the children of \a config are deleted
+ * recursively.
+ *
+ * After a successful call to this function, \a config is an empty
+ * compound node.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a compound node.
+ * </dl>
+ */
+int snd_config_delete_compound_members(const snd_config_t *config)
+{
+ int err;
+ struct list_head *i;
+
+ assert(config);
+ if (config->type != SND_CONFIG_TYPE_COMPOUND)
+ return -EINVAL;
+ i = config->u.compound.fields.next;
+ while (i != &config->u.compound.fields) {
+ struct list_head *nexti = i->next;
+ snd_config_t *child = snd_config_iterator_entry(i);
+ err = snd_config_delete(child);
+ if (err < 0)
+ return err;
+ i = nexti;
+ }
+ return 0;
+}
+
+/**
+ * \brief Creates a configuration node.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \param[in] type The type of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions creates a new node of the specified type.
+ * The new node has id \a id, which may be \c NULL.
+ *
+ * The value of the new node is zero (for numbers), or \c NULL (for
+ * strings and pointers), or empty (for compound nodes).
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ */
+int snd_config_make(snd_config_t **config, const char *id,
+ snd_config_type_t type)
+{
+ char *id1;
+ assert(config);
+ if (id) {
+ id1 = strdup(id);
+ if (!id1)
+ return -ENOMEM;
+ } else
+ id1 = NULL;
+ return _snd_config_make(config, &id1, type);
+}
+
+/**
+ * \brief Creates an integer configuration node.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_INTEGER and
+ * with value \c 0.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ *
+ * \sa snd_config_imake_integer
+ */
+int snd_config_make_integer(snd_config_t **config, const char *id)
+{
+ return snd_config_make(config, id, SND_CONFIG_TYPE_INTEGER);
+}
+
+/**
+ * \brief Creates a 64-bit-integer configuration node.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_INTEGER64
+ * and with value \c 0.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ *
+ * \sa snd_config_imake_integer64
+ */
+int snd_config_make_integer64(snd_config_t **config, const char *id)
+{
+ return snd_config_make(config, id, SND_CONFIG_TYPE_INTEGER64);
+}
+
+/**
+ * \brief Creates a real number configuration node.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_REAL and
+ * with value \c 0.0.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \sa snd_config_imake_real
+ */
+int snd_config_make_real(snd_config_t **config, const char *id)
+{
+ return snd_config_make(config, id, SND_CONFIG_TYPE_REAL);
+}
+
+/**
+ * \brief Creates a string configuration node.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_STRING and
+ * with value \c NULL.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ *
+ * \sa snd_config_imake_string
+ */
+int snd_config_make_string(snd_config_t **config, const char *id)
+{
+ return snd_config_make(config, id, SND_CONFIG_TYPE_STRING);
+}
+
+/**
+ * \brief Creates a pointer configuration node.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_POINTER and
+ * with value \c NULL.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \sa snd_config_imake_pointer
+ */
+int snd_config_make_pointer(snd_config_t **config, const char *id)
+{
+ return snd_config_make(config, id, SND_CONFIG_TYPE_POINTER);
+}
+
+/**
+ * \brief Creates an empty compound configuration node.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \param[in] join Join flag.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new empty node of type
+ * #SND_CONFIG_TYPE_COMPOUND.
+ *
+ * \a join determines how the compound node's id is printed when the
+ * configuration is saved to a text file. For example, if the join flag
+ * of compound node \c a is zero, the output will look as follows:
+ * \code
+ * a {
+ * b "hello"
+ * c 42
+ * }
+ * \endcode
+ * If, however, the join flag of \c a is nonzero, its id will be joined
+ * with its children's ids, like this:
+ * \code
+ * a.b "hello"
+ * a.c 42
+ * \endcode
+ * An \e empty compound node with its join flag set would result in no
+ * output, i.e., after saving and reloading the configuration file, that
+ * compound node would be lost.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_make_compound(snd_config_t **config, const char *id,
+ int join)
+{
+ int err;
+ err = snd_config_make(config, id, SND_CONFIG_TYPE_COMPOUND);
+ if (err < 0)
+ return err;
+ (*config)->u.compound.join = join;
+ return 0;
+}
+
+/**
+ * \brief Creates an integer configuration node with the given initial value.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \param[in] value The initial value of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_INTEGER and
+ * with value \a value.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_imake_integer(snd_config_t **config, const char *id, const long value)
+{
+ int err;
+
+ err = snd_config_make(config, id, SND_CONFIG_TYPE_INTEGER);
+ if (err < 0)
+ return err;
+ (*config)->u.integer = value;
+ return 0;
+}
+
+/**
+ * \brief Creates a 64-bit-integer configuration node with the given initial value.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \param[in] value The initial value of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_INTEGER64
+ * and with value \a value.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_imake_integer64(snd_config_t **config, const char *id, const long long value)
+{
+ int err;
+
+ err = snd_config_make(config, id, SND_CONFIG_TYPE_INTEGER64);
+ if (err < 0)
+ return err;
+ (*config)->u.integer64 = value;
+ return 0;
+}
+
+/**
+ * \brief Creates a real number configuration node with the given initial value.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \param[in] value The initial value of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_REAL and
+ * with value \a value.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ */
+int snd_config_imake_real(snd_config_t **config, const char *id, const double value)
+{
+ int err;
+
+ err = snd_config_make(config, id, SND_CONFIG_TYPE_REAL);
+ if (err < 0)
+ return err;
+ (*config)->u.real = value;
+ return 0;
+}
+
+/**
+ * \brief Creates a string configuration node with the given initial value.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \param[in] value The initial value of the new node. May be \c NULL.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_STRING and
+ * with a copy of the string \c value.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_imake_string(snd_config_t **config, const char *id, const char *value)
+{
+ int err;
+ snd_config_t *tmp;
+
+ err = snd_config_make(&tmp, id, SND_CONFIG_TYPE_STRING);
+ if (err < 0)
+ return err;
+ if (value) {
+ tmp->u.string = strdup(value);
+ if (!tmp->u.string) {
+ snd_config_delete(tmp);
+ return -ENOMEM;
+ }
+ } else {
+ tmp->u.string = NULL;
+ }
+ *config = tmp;
+ return 0;
+}
+
+/**
+ * \brief Creates a pointer configuration node with the given initial value.
+ * \param[out] config The function puts the handle to the new node at
+ * the address specified by \a config.
+ * \param[in] id The id of the new node.
+ * \param[in] value The initial value of the new node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function creates a new node of type #SND_CONFIG_TYPE_POINTER and
+ * with value \c value.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ */
+int snd_config_imake_pointer(snd_config_t **config, const char *id, const void *value)
+{
+ int err;
+
+ err = snd_config_make(config, id, SND_CONFIG_TYPE_POINTER);
+ if (err < 0)
+ return err;
+ (*config)->u.ptr = value;
+ return 0;
+}
+
+/**
+ * \brief Changes the value of an integer configuration node.
+ * \param config Handle to the configuration node.
+ * \param value The new value for the node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not an integer node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_set_integer(snd_config_t *config, long value)
+{
+ assert(config);
+ if (config->type != SND_CONFIG_TYPE_INTEGER)
+ return -EINVAL;
+ config->u.integer = value;
+ return 0;
+}
+
+/**
+ * \brief Changes the value of a 64-bit-integer configuration node.
+ * \param config Handle to the configuration node.
+ * \param value The new value for the node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a 64-bit-integer node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_set_integer64(snd_config_t *config, long long value)
+{
+ assert(config);
+ if (config->type != SND_CONFIG_TYPE_INTEGER64)
+ return -EINVAL;
+ config->u.integer64 = value;
+ return 0;
+}
+
+/**
+ * \brief Changes the value of a real-number configuration node.
+ * \param config Handle to the configuration node.
+ * \param value The new value for the node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a real-number node.
+ * </dl>
+ */
+int snd_config_set_real(snd_config_t *config, double value)
+{
+ assert(config);
+ if (config->type != SND_CONFIG_TYPE_REAL)
+ return -EINVAL;
+ config->u.real = value;
+ return 0;
+}
+
+/**
+ * \brief Changes the value of a string configuration node.
+ * \param config Handle to the configuration node.
+ * \param value The new value for the node. May be \c NULL.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function deletes the old string in the node and stores a copy of
+ * \a value string in the node.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a string node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_set_string(snd_config_t *config, const char *value)
+{
+ char *new_string;
+ assert(config);
+ if (config->type != SND_CONFIG_TYPE_STRING)
+ return -EINVAL;
+ if (value) {
+ new_string = strdup(value);
+ if (!new_string)
+ return -ENOMEM;
+ } else {
+ new_string = NULL;
+ }
+ free(config->u.string);
+ config->u.string = new_string;
+ return 0;
+}
+
+/**
+ * \brief Changes the value of a pointer configuration node.
+ * \param config Handle to the configuration node.
+ * \param value The new value for the node. May be \c NULL.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function does not free the old pointer in the node.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a pointer node.
+ * </dl>
+ */
+int snd_config_set_pointer(snd_config_t *config, const void *value)
+{
+ assert(config);
+ if (config->type != SND_CONFIG_TYPE_POINTER)
+ return -EINVAL;
+ config->u.ptr = value;
+ return 0;
+}
+
+/**
+ * \brief Changes the value of a configuration node.
+ * \param config Handle to the configuration node.
+ * \param ascii The new value for the node, as an ASCII string.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function changes the node's value to a new value that is parsed
+ * from the string \a ascii. \a ascii must not be \c NULL, not even for
+ * a string node.
+ *
+ * The node's type does not change, i.e., the string must contain a
+ * valid value with the same type as the node's type. For a string
+ * node, the node's new value is a copy of \a ascii.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a number or string node.
+ * <dt>-EINVAL<dd>The value in \a ascii cannot be parsed.
+ * <dt>-ERANGE<dd>The value in \a ascii is too big for the node's type.
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_set_ascii(snd_config_t *config, const char *ascii)
+{
+ assert(config && ascii);
+ switch (config->type) {
+ case SND_CONFIG_TYPE_INTEGER:
+ {
+ long i;
+ int err = safe_strtol(ascii, &i);
+ if (err < 0)
+ return err;
+ config->u.integer = i;
+ }
+ break;
+ case SND_CONFIG_TYPE_INTEGER64:
+ {
+ long long i;
+ int err = safe_strtoll(ascii, &i);
+ if (err < 0)
+ return err;
+ config->u.integer64 = i;
+ }
+ break;
+ case SND_CONFIG_TYPE_REAL:
+ {
+ double d;
+ int err = safe_strtod(ascii, &d);
+ if (err < 0)
+ return err;
+ config->u.real = d;
+ break;
+ }
+ case SND_CONFIG_TYPE_STRING:
+ {
+ char *ptr = strdup(ascii);
+ if (ptr == NULL)
+ return -ENOMEM;
+ free(config->u.string);
+ config->u.string = ptr;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/**
+ * \brief Returns the value of an integer configuration node.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] ptr The node's value.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not an integer node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_get_integer(const snd_config_t *config, long *ptr)
+{
+ assert(config && ptr);
+ if (config->type != SND_CONFIG_TYPE_INTEGER)
+ return -EINVAL;
+ *ptr = config->u.integer;
+ return 0;
+}
+
+/**
+ * \brief Returns the value of a 64-bit-integer configuration node.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] ptr The node's value.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a 64-bit-integer node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_get_integer64(const snd_config_t *config, long long *ptr)
+{
+ assert(config && ptr);
+ if (config->type != SND_CONFIG_TYPE_INTEGER64)
+ return -EINVAL;
+ *ptr = config->u.integer64;
+ return 0;
+}
+
+/**
+ * \brief Returns the value of a real-number configuration node.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] ptr The node's value.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a real-number node.
+ * </dl>
+ */
+int snd_config_get_real(const snd_config_t *config, double *ptr)
+{
+ assert(config && ptr);
+ if (config->type != SND_CONFIG_TYPE_REAL)
+ return -EINVAL;
+ *ptr = config->u.real;
+ return 0;
+}
+
+/**
+ * \brief Returns the value of a real or integer configuration node.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] ptr The node's value.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * If the node's type is integer or integer64, the value is converted
+ * to the \c double type on the fly.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a number node.
+ * </dl>
+ */
+int snd_config_get_ireal(const snd_config_t *config, double *ptr)
+{
+ assert(config && ptr);
+ if (config->type == SND_CONFIG_TYPE_REAL)
+ *ptr = config->u.real;
+ else if (config->type == SND_CONFIG_TYPE_INTEGER)
+ *ptr = config->u.integer;
+ else if (config->type == SND_CONFIG_TYPE_INTEGER64)
+ *ptr = config->u.integer64;
+ else
+ return -EINVAL;
+ return 0;
+}
+
+/**
+ * \brief Returns the value of a string configuration node.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] ptr The function puts the node's value at the address
+ * specified by \a ptr.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * The returned string is owned by the configuration node; the
+ * application must not modify or delete it, and the string becomes
+ * invalid when the node's value changes or when the node is freed.
+ *
+ * The string may be \c NULL.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a string node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_get_string(const snd_config_t *config, const char **ptr)
+{
+ assert(config && ptr);
+ if (config->type != SND_CONFIG_TYPE_STRING)
+ return -EINVAL;
+ *ptr = config->u.string;
+ return 0;
+}
+
+/**
+ * \brief Returns the value of a pointer configuration node.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] ptr The function puts the node's value at the address
+ * specified by \a ptr.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a string node.
+ * </dl>
+ */
+int snd_config_get_pointer(const snd_config_t *config, const void **ptr)
+{
+ assert(config && ptr);
+ if (config->type != SND_CONFIG_TYPE_POINTER)
+ return -EINVAL;
+ *ptr = config->u.ptr;
+ return 0;
+}
+
+/**
+ * \brief Returns the value of a configuration node as a string.
+ * \param[in] config Handle to the configuration node.
+ * \param[out] ascii The function puts the pointer to the returned
+ * string at the address specified by \a ascii.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function dynamically allocates the returned string. The
+ * application is responsible for deleting it with \c free() when it is
+ * no longer used.
+ *
+ * For a string node with \c NULL value, the returned string is \c NULL.
+ *
+ * Supported node types are #SND_CONFIG_TYPE_INTEGER,
+ * #SND_CONFIG_TYPE_INTEGER64, #SND_CONFIG_TYPE_REAL, and
+ * #SND_CONFIG_TYPE_STRING.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a config is not a (64-bit) integer or real number or
+ * string node.
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_get_ascii(const snd_config_t *config, char **ascii)
+{
+ assert(config && ascii);
+ switch (config->type) {
+ case SND_CONFIG_TYPE_INTEGER:
+ {
+ char res[12];
+ int err;
+ err = snprintf(res, sizeof(res), "%li", config->u.integer);
+ if (err < 0 || err == sizeof(res)) {
+ assert(0);
+ return -ENOMEM;
+ }
+ *ascii = strdup(res);
+ }
+ break;
+ case SND_CONFIG_TYPE_INTEGER64:
+ {
+ char res[32];
+ int err;
+ err = snprintf(res, sizeof(res), "%lli", config->u.integer64);
+ if (err < 0 || err == sizeof(res)) {
+ assert(0);
+ return -ENOMEM;
+ }
+ *ascii = strdup(res);
+ }
+ break;
+ case SND_CONFIG_TYPE_REAL:
+ {
+ char res[32];
+ int err;
+ err = snprintf(res, sizeof(res), "%-16g", config->u.real);
+ if (err < 0 || err == sizeof(res)) {
+ assert(0);
+ return -ENOMEM;
+ }
+ if (res[0]) { /* trim the string */
+ char *ptr;
+ ptr = res + strlen(res) - 1;
+ while (ptr != res && *ptr == ' ')
+ ptr--;
+ if (*ptr != ' ')
+ ptr++;
+ *ptr = '\0';
+ }
+ *ascii = strdup(res);
+ }
+ break;
+ case SND_CONFIG_TYPE_STRING:
+ if (config->u.string)
+ *ascii = strdup(config->u.string);
+ else {
+ *ascii = NULL;
+ return 0;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (*ascii == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief Compares the id of a configuration node to a given string.
+ * \param config Handle to the configuration node.
+ * \param id ASCII id.
+ * \return The same value as the result of the \c strcmp function, i.e.,
+ * less than zero if \a config's id is lexicographically less
+ * than \a id, zero if \a config's id is equal to id, greater
+ * than zero otherwise.
+ */
+int snd_config_test_id(const snd_config_t *config, const char *id)
+{
+ assert(config && id);
+ if (config->id)
+ return strcmp(config->id, id);
+ else
+ return -1;
+}
+
+/**
+ * \brief Dumps the contents of a configuration node or tree.
+ * \param config Handle to the (root) configuration node.
+ * \param out Output handle.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function writes a textual representation of \a config's value to
+ * the output \a out.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>A node in the tree has a type that cannot be printed,
+ * i.e., #SND_CONFIG_TYPE_POINTER.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_save(snd_config_t *config, snd_output_t *out)
+{
+ assert(config && out);
+ if (config->type == SND_CONFIG_TYPE_COMPOUND)
+ return _snd_config_save_children(config, out, 0, 0);
+ else
+ return _snd_config_save_node_value(config, out, 0);
+}
+
+/*
+ * *** search macros ***
+ */
+
+#ifndef DOC_HIDDEN
+
+#define SND_CONFIG_SEARCH(config, key, result, extra_code) \
+{ \
+ snd_config_t *n; \
+ int err; \
+ const char *p; \
+ assert(config && key); \
+ while (1) { \
+ if (config->type != SND_CONFIG_TYPE_COMPOUND) \
+ return -ENOENT; \
+ { extra_code ; } \
+ p = strchr(key, '.'); \
+ if (p) { \
+ err = _snd_config_search(config, key, p - key, &n); \
+ if (err < 0) \
+ return err; \
+ config = n; \
+ key = p + 1; \
+ } else \
+ return _snd_config_search(config, key, -1, result); \
+ } \
+}
+
+#define SND_CONFIG_SEARCHA(root, config, key, result, fcn, extra_code) \
+{ \
+ snd_config_t *n; \
+ int err; \
+ const char *p; \
+ assert(config && key); \
+ while (1) { \
+ if (config->type != SND_CONFIG_TYPE_COMPOUND) { \
+ if (snd_config_get_string(config, &p) < 0) \
+ return -ENOENT; \
+ err = fcn(root, root, p, &config); \
+ if (err < 0) \
+ return err; \
+ } \
+ { extra_code ; } \
+ p = strchr(key, '.'); \
+ if (p) { \
+ err = _snd_config_search(config, key, p - key, &n); \
+ if (err < 0) \
+ return err; \
+ config = n; \
+ key = p + 1; \
+ } else \
+ return _snd_config_search(config, key, -1, result); \
+ } \
+}
+
+#define SND_CONFIG_SEARCHV(config, result, fcn) \
+{ \
+ snd_config_t *n; \
+ va_list arg; \
+ assert(config); \
+ va_start(arg, result); \
+ while (1) { \
+ const char *k = va_arg(arg, const char *); \
+ int err; \
+ if (!k) \
+ break; \
+ err = fcn(config, k, &n); \
+ if (err < 0) \
+ return err; \
+ config = n; \
+ } \
+ va_end(arg); \
+ if (result) \
+ *result = n; \
+ return 0; \
+}
+
+#define SND_CONFIG_SEARCHVA(root, config, result, fcn) \
+{ \
+ snd_config_t *n; \
+ va_list arg; \
+ assert(config); \
+ va_start(arg, result); \
+ while (1) { \
+ const char *k = va_arg(arg, const char *); \
+ int err; \
+ if (!k) \
+ break; \
+ err = fcn(root, config, k, &n); \
+ if (err < 0) \
+ return err; \
+ config = n; \
+ } \
+ va_end(arg); \
+ if (result) \
+ *result = n; \
+ return 0; \
+}
+
+#define SND_CONFIG_SEARCH_ALIAS(config, base, key, result, fcn1, fcn2) \
+{ \
+ snd_config_t *res = NULL; \
+ char *old_key; \
+ int err, first = 1, maxloop = 1000; \
+ assert(config && key); \
+ while (1) { \
+ old_key = strdup(key); \
+ if (old_key == NULL) { \
+ err = -ENOMEM; \
+ res = NULL; \
+ break; \
+ } \
+ err = first && base ? -EIO : fcn1(config, config, key, &res); \
+ if (err < 0) { \
+ if (!base) \
+ break; \
+ err = fcn2(config, config, &res, base, key, NULL); \
+ if (err < 0) \
+ break; \
+ } \
+ if (snd_config_get_string(res, &key) < 0) \
+ break; \
+ assert(key); \
+ if (!first && (strcmp(key, old_key) == 0 || maxloop <= 0)) { \
+ if (maxloop == 0) \
+ SNDERR("maximum loop count reached (circular configuration?)"); \
+ else \
+ SNDERR("key %s refers to itself", key); \
+ err = -EINVAL; \
+ res = NULL; \
+ break; \
+ } \
+ free(old_key); \
+ first = 0; \
+ maxloop--; \
+ } \
+ free(old_key); \
+ if (!res) \
+ return err; \
+ if (result) \
+ *result = res; \
+ return 0; \
+}
+
+#endif /* DOC_HIDDEN */
+
+/**
+ * \brief Searches for a node in a configuration tree.
+ * \param[in] config Handle to the root of the configuration (sub)tree to search.
+ * \param[in] key Search key: one or more node ids, separated with dots.
+ * \param[out] result When \a result != \c NULL, the function puts the
+ * handle to the node found at the address specified
+ * by \a result.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function searches for a child node of \a config that is
+ * identified by \a key, which contains either the id of a direct child
+ * node of \a config, or a series of ids, separated with dots, where
+ * each id specifies a node that is contained in the previous compound
+ * node.
+ *
+ * In the following example, the comment after each node shows the
+ * search key to find that node, assuming that \a config is a handle to
+ * the compound node with id \c config:
+ * \code
+ * config {
+ * a 42 # "a"
+ * b { # "b"
+ * c "cee" # "b.c"
+ * d { # "b.d"
+ * e 2.71828 # "b.d.e"
+ * }
+ * }
+ * }
+ * \endcode
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_search(snd_config_t *config, const char *key, snd_config_t **result)
+{
+ SND_CONFIG_SEARCH(config, key, result, );
+}
+
+/**
+ * \brief Searches for a node in a configuration tree, expanding aliases.
+ * \param[in] root Handle to the root configuration node containing
+ * alias definitions.
+ * \param[in] config Handle to the root of the configuration (sub)tree to search.
+ * \param[in] key Search key: one or more node keys, separated with dots.
+ * \param[out] result When \a result != \c NULL, the function puts the
+ * handle to the node found at the address specified
+ * by \a result.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions searches for a child node of \a config like
+ * #snd_config_search. However, any compound node can also be
+ * identified by an alias, which is a string node whose value is taken
+ * as the id of a compound node below \a root.
+ *
+ * \a root must be a compound node.
+ * \a root and \a config may be the same node.
+ *
+ * For example, with the following configuration, the call
+ * \code
+ * snd_config_searcha(root, config, "a.b.c.d", &result);
+ * \endcode
+ * would return the node with id \c d:
+ * \code
+ * config {
+ * a {
+ * b bb
+ * }
+ * }
+ * root {
+ * bb {
+ * c cc
+ * }
+ * cc ccc
+ * ccc {
+ * d {
+ * x "icks"
+ * }
+ * }
+ * }
+ * \endcode
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key or an alias id does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound or string node.
+ * </dl>
+ */
+int snd_config_searcha(snd_config_t *root, snd_config_t *config, const char *key, snd_config_t **result)
+{
+ SND_CONFIG_SEARCHA(root, config, key, result, snd_config_searcha, );
+}
+
+/**
+ * \brief Searches for a node in a configuration tree.
+ * \param[in] config Handle to the root of the configuration (sub)tree to search.
+ * \param[out] result When \a result != \c NULL, the function puts the
+ * handle to the node found at the address specified
+ * by \a result.
+ * \param[in] ... One or more concatenated dot-separated search keys,
+ * terminated with \c NULL.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions searches for a child node of \a config like
+ * #snd_config_search, but the search key is the concatenation of all
+ * passed search key strings. For example, the call
+ * \code
+ * snd_config_searchv(cfg, &res, "a", "b.c", "d.e", NULL);
+ * \endcode
+ * is equivalent to the call
+ * \code
+ * snd_config_search(cfg, "a.b.c.d.e", &res);
+ * \endcode
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in a search key does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound node.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_searchv(snd_config_t *config, snd_config_t **result, ...)
+{
+ SND_CONFIG_SEARCHV(config, result, snd_config_search);
+}
+
+/**
+ * \brief Searches for a node in a configuration tree, expanding aliases.
+ * \param[in] root Handle to the root configuration node containing
+ * alias definitions.
+ * \param[in] config Handle to the root of the configuration (sub)tree to search.
+ * \param[out] result When \a result != \c NULL, the function puts the
+ * handle to the node found at the address specified
+ * by \a result.
+ * \param[in] ... One or more concatenated dot separated search keys,
+ * terminated with \c NULL.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function searches for a child node of \a config, allowing
+ * aliases, like #snd_config_searcha, but the search key is the
+ * concatenation of all passed seach key strings, like with
+ * #snd_config_searchv.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in a search key does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound or string node.
+ * </dl>
+ */
+int snd_config_searchva(snd_config_t *root, snd_config_t *config, snd_config_t **result, ...)
+{
+ SND_CONFIG_SEARCHVA(root, config, result, snd_config_searcha);
+}
+
+/**
+ * \brief Searches for a node in a configuration tree, expanding aliases.
+ * \param[in] config Handle to the root of the configuration (sub)tree to search.
+ * \param[in] base Search key base, or \c NULL.
+ * \param[in] key Search key suffix.
+ * \param[out] result When \a result != \c NULL, the function puts the
+ * handle to the node found at the address specified
+ * by \a result.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions searches for a child node of \a config, allowing
+ * aliases, like #snd_config_searcha. However, alias definitions are
+ * searched below \a config (there is no separate \a root parameter),
+ * and \a base specifies a seach key that identifies a compound node
+ * that is used to search for an alias definitions that is not found
+ * directly below \a config and that does not contain a period. In
+ * other words, when \c "id" is not found in \a config, this function
+ * also tries \c "base.id".
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key or an alias id does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound or string node.
+ * </dl>
+ */
+int snd_config_search_alias(snd_config_t *config,
+ const char *base, const char *key,
+ snd_config_t **result)
+{
+ SND_CONFIG_SEARCH_ALIAS(config, base, key, result,
+ snd_config_searcha, snd_config_searchva);
+}
+
+static int snd_config_hooks(snd_config_t *config, snd_config_t *private_data);
+
+/**
+ * \brief Searches for a node in a configuration tree and expands hooks.
+ * \param[in,out] config Handle to the root of the configuration
+ * (sub)tree to search.
+ * \param[in] key Search key: one or more node keys, separated with dots.
+ * \param[out] result The function puts the handle to the node found at
+ * the address specified by \a result.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions searches for a child node of \a config like
+ * #snd_config_search, but any compound nodes to be searched that
+ * contain hooks are modified by the respective hook functions.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound node.
+ * </dl>
+ * Additionally, any errors encountered when parsing the hook
+ * definitions or returned by the hook functions.
+ */
+int snd_config_search_hooks(snd_config_t *config, const char *key, snd_config_t **result)
+{
+ SND_CONFIG_SEARCH(config, key, result, \
+ err = snd_config_hooks(config, NULL); \
+ if (err < 0) \
+ return err; \
+ );
+}
+
+/**
+ * \brief Searches for a node in a configuration tree, expanding aliases and hooks.
+ * \param[in] root Handle to the root configuration node containing
+ * alias definitions.
+ * \param[in,out] config Handle to the root of the configuration
+ * (sub)tree to search.
+ * \param[in] key Search key: one or more node keys, separated with dots.
+ * \param[out] result The function puts the handle to the node found at
+ * the address specified by \a result.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function searches for a child node of \a config, allowing
+ * aliases, like #snd_config_searcha, and expanding hooks, like
+ * #snd_config_search_hooks.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key or an alias id does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound node.
+ * </dl>
+ * Additionally, any errors encountered when parsing the hook
+ * definitions or returned by the hook functions.
+ */
+int snd_config_searcha_hooks(snd_config_t *root, snd_config_t *config, const char *key, snd_config_t **result)
+{
+ SND_CONFIG_SEARCHA(root, config, key, result,
+ snd_config_searcha_hooks,
+ err = snd_config_hooks(config, NULL); \
+ if (err < 0) \
+ return err; \
+ );
+}
+
+/**
+ * \brief Searches for a node in a configuration tree, expanding aliases and hooks.
+ * \param[in] root Handle to the root configuration node containing
+ * alias definitions.
+ * \param[in,out] config Handle to the root of the configuration
+ * (sub)tree to search.
+ * \param[out] result The function puts the handle to the node found at
+ * the address specified by \a result.
+ * \param[in] ... One or more concatenated dot separated search keys,
+ * terminated with \c NULL.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function searches for a child node of \a config, allowing
+ * aliases and expanding hooks like #snd_config_searcha_hooks, but the
+ * search key is the concatenation of all passed seach key strings, like
+ * with #snd_config_searchv.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key or an alias id does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound node.
+ * </dl>
+ * Additionally, any errors encountered when parsing the hook
+ * definitions or returned by the hook functions.
+ */
+int snd_config_searchva_hooks(snd_config_t *root, snd_config_t *config,
+ snd_config_t **result, ...)
+{
+ SND_CONFIG_SEARCHVA(root, config, result, snd_config_searcha_hooks);
+}
+
+/**
+ * \brief Searches for a node in a configuration tree, using an alias and expanding hooks.
+ * \param[in] config Handle to the root of the configuration (sub)tree
+ * to search.
+ * \param[in] base Search key base, or \c NULL.
+ * \param[in] key Search key suffix.
+ * \param[out] result The function puts the handle to the node found at
+ * the address specified by \a result.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions searches for a child node of \a config, allowing
+ * aliases, like #snd_config_search_alias, and expanding hooks, like
+ * #snd_config_search_hooks.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key or an alias id does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound node.
+ * </dl>
+ * Additionally, any errors encountered when parsing the hook
+ * definitions or returned by the hook functions.
+ */
+int snd_config_search_alias_hooks(snd_config_t *config,
+ const char *base, const char *key,
+ snd_config_t **result)
+{
+ SND_CONFIG_SEARCH_ALIAS(config, base, key, result,
+ snd_config_searcha_hooks,
+ snd_config_searchva_hooks);
+}
+
+/** The name of the environment variable containing the files list for #snd_config_update. */
+#define ALSA_CONFIG_PATH_VAR "ALSA_CONFIG_PATH"
+
+/** The name of the default files used by #snd_config_update. */
+#define ALSA_CONFIG_PATH_DEFAULT ALSA_CONFIG_DIR "/alsa.conf"
+
+/**
+ * \ingroup Config
+ * \brief Configuration top-level node (the global configuration).
+ *
+ * This variable contains a handle to the top-level configuration node,
+ * as loaded from global configuration file.
+ *
+ * This variable is initialized or updated by #snd_config_update.
+ * Functions like #snd_pcm_open (that use a device name from the global
+ * configuration) automatically call #snd_config_update. Before the
+ * first call to #snd_config_update, this variable is \c NULL.
+ *
+ * The global configuration files are specified in the environment
+ * variable \c ALSA_CONFIG_PATH. If this is not set, the default value
+ * is "/usr/share/alsa/alsa.conf".
+ *
+ * \warning Whenever the configuration tree is updated, all string
+ * pointers and configuration node handles previously obtained from this
+ * variable may become invalid.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+snd_config_t *snd_config = NULL;
+
+#ifndef DOC_HIDDEN
+struct finfo {
+ char *name;
+ dev_t dev;
+ ino_t ino;
+ time_t mtime;
+};
+
+struct _snd_config_update {
+ unsigned int count;
+ struct finfo *finfo;
+};
+#endif /* DOC_HIDDEN */
+
+static snd_config_update_t *snd_config_global_update = NULL;
+
+static int snd_config_hooks_call(snd_config_t *root, snd_config_t *config, snd_config_t *private_data)
+{
+ void *h = NULL;
+ snd_config_t *c, *func_conf = NULL;
+ char *buf = NULL;
+ const char *lib = NULL, *func_name = NULL;
+ const char *str;
+ int (*func)(snd_config_t *root, snd_config_t *config, snd_config_t **dst, snd_config_t *private_data) = NULL;
+ int err;
+
+ err = snd_config_search(config, "func", &c);
+ if (err < 0) {
+ SNDERR("Field func is missing");
+ return err;
+ }
+ err = snd_config_get_string(c, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for field func");
+ return err;
+ }
+ assert(str);
+ err = snd_config_search_definition(root, "hook_func", str, &func_conf);
+ if (err >= 0) {
+ snd_config_iterator_t i, next;
+ if (snd_config_get_type(func_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for func %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, func_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id = n->id;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "func") == 0) {
+ err = snd_config_get_string(n, &func_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ }
+ }
+ if (!func_name) {
+ int len = 16 + strlen(str) + 1;
+ buf = malloc(len);
+ if (! buf) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ snprintf(buf, len, "snd_config_hook_%s", str);
+ buf[len-1] = '\0';
+ func_name = buf;
+ }
+ h = snd_dlopen(lib, RTLD_NOW);
+ func = h ? snd_dlsym(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_HOOK)) : NULL;
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ } else if (!func) {
+ SNDERR("symbol %s is not defined inside %s", func_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (func_conf)
+ snd_config_delete(func_conf);
+ if (err >= 0) {
+ snd_config_t *nroot;
+ err = func(root, config, &nroot, private_data);
+ if (err < 0)
+ SNDERR("function %s returned error: %s", func_name, snd_strerror(err));
+ snd_dlclose(h);
+ if (err >= 0 && nroot)
+ err = snd_config_substitute(root, nroot);
+ }
+ free(buf);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_config_hooks(snd_config_t *config, snd_config_t *private_data)
+{
+ snd_config_t *n;
+ snd_config_iterator_t i, next;
+ int err, hit, idx = 0;
+
+ if ((err = snd_config_search(config, "@hooks", &n)) < 0)
+ return 0;
+ snd_config_lock();
+ snd_config_remove(n);
+ do {
+ hit = 0;
+ snd_config_for_each(i, next, n) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id = n->id;
+ long i;
+ err = safe_strtol(id, &i);
+ if (err < 0) {
+ SNDERR("id of field %s is not and integer", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ if (i == idx) {
+ err = snd_config_hooks_call(config, n, private_data);
+ if (err < 0)
+ goto _err;
+ idx++;
+ hit = 1;
+ }
+ }
+ } while (hit);
+ err = 0;
+ _err:
+ snd_config_delete(n);
+ snd_config_unlock();
+ return err;
+}
+
+static int config_filename_filter(const struct dirent *dirent)
+{
+ size_t flen;
+
+ if (dirent == NULL)
+ return 0;
+ if (dirent->d_type == DT_DIR)
+ return 0;
+
+ flen = strlen(dirent->d_name);
+ if (flen <= 5)
+ return 0;
+
+ if (strncmp(&dirent->d_name[flen-5], ".conf", 5) == 0)
+ return 1;
+
+ return 0;
+}
+
+static int config_file_open(snd_config_t *root, const char *filename)
+{
+ snd_input_t *in;
+ int err;
+
+ err = snd_input_stdio_open(&in, filename, "r");
+ if (err >= 0) {
+ err = snd_config_load(root, in);
+ snd_input_close(in);
+ if (err < 0)
+ SNDERR("%s may be old or corrupted: consider to remove or fix it", filename);
+ } else
+ SNDERR("cannot access file %s", filename);
+
+ return err;
+}
+
+/**
+ * \brief Loads and parses the given configurations files.
+ * \param[in] root Handle to the root configuration node.
+ * \param[in] config Handle to the configuration node for this hook.
+ * \param[out] dst The function puts the handle to the configuration
+ * node loaded from the file(s) at the address specified
+ * by \a dst.
+ * \param[in] private_data Handle to the private data configuration node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * See \ref confhooks for an example.
+ */
+int snd_config_hook_load(snd_config_t *root, snd_config_t *config, snd_config_t **dst, snd_config_t *private_data)
+{
+ snd_config_t *n;
+ snd_config_iterator_t i, next;
+ struct finfo *fi = NULL;
+ int err, idx = 0, fi_count = 0, errors = 1, hit;
+
+ assert(root && dst);
+ if ((err = snd_config_search(config, "errors", &n)) >= 0) {
+ char *tmp;
+ err = snd_config_get_ascii(n, &tmp);
+ if (err < 0)
+ return err;
+ errors = snd_config_get_bool_ascii(tmp);
+ free(tmp);
+ if (errors < 0) {
+ SNDERR("Invalid bool value in field errors");
+ return errors;
+ }
+ }
+ if ((err = snd_config_search(config, "files", &n)) < 0) {
+ SNDERR("Unable to find field files in the pre-load section");
+ return -EINVAL;
+ }
+ if ((err = snd_config_expand(n, root, NULL, private_data, &n)) < 0) {
+ SNDERR("Unable to expand filenames in the pre-load section");
+ return err;
+ }
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for field filenames");
+ goto _err;
+ }
+ snd_config_for_each(i, next, n) {
+ snd_config_t *c = snd_config_iterator_entry(i);
+ const char *str;
+ if ((err = snd_config_get_string(c, &str)) < 0) {
+ SNDERR("Field %s is not a string", c->id);
+ goto _err;
+ }
+ fi_count++;
+ }
+ fi = calloc(fi_count, sizeof(*fi));
+ if (fi == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ do {
+ hit = 0;
+ snd_config_for_each(i, next, n) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id = n->id;
+ long i;
+ err = safe_strtol(id, &i);
+ if (err < 0) {
+ SNDERR("id of field %s is not and integer", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ if (i == idx) {
+ char *name;
+ if ((err = snd_config_get_ascii(n, &name)) < 0)
+ goto _err;
+ if ((err = snd_user_file(name, &fi[idx].name)) < 0)
+ fi[idx].name = name;
+ else
+ free(name);
+ idx++;
+ hit = 1;
+ }
+ }
+ } while (hit);
+ for (idx = 0; idx < fi_count; idx++) {
+ struct stat st;
+ if (!errors && access(fi[idx].name, R_OK) < 0)
+ continue;
+ if (stat(fi[idx].name, &st) < 0) {
+ SNDERR("cannot stat file/directory %s", fi[idx].name);
+ continue;
+ }
+ if (S_ISDIR(st.st_mode)) {
+ struct dirent **namelist;
+ int n;
+
+#ifndef DOC_HIDDEN
+#ifdef _GNU_SOURCE
+#define SORTFUNC versionsort
+#else
+#define SORTFUNC alphasort
+#endif
+#endif
+ n = scandir(fi[idx].name, &namelist, config_filename_filter, SORTFUNC);
+ if (n > 0) {
+ int j;
+ err = 0;
+ for (j = 0; j < n; ++j) {
+ if (err >= 0) {
+ int sl = strlen(fi[idx].name) + strlen(namelist[j]->d_name) + 2;
+ char *filename = malloc(sl);
+ snprintf(filename, sl, "%s/%s", fi[idx].name, namelist[j]->d_name);
+ filename[sl-1] = '\0';
+
+ err = config_file_open(root, filename);
+ free(filename);
+ }
+ free(namelist[j]);
+ }
+ free(namelist);
+ if (err < 0)
+ goto _err;
+ }
+ } else if ((err = config_file_open(root, fi[idx].name)) < 0)
+ goto _err;
+ }
+ *dst = NULL;
+ err = 0;
+ _err:
+ if (fi)
+ for (idx = 0; idx < fi_count; idx++)
+ free(fi[idx].name);
+ free(fi);
+ snd_config_delete(n);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_config_hook_load, SND_CONFIG_DLSYM_VERSION_HOOK);
+#endif
+
+#ifndef DOC_HIDDEN
+int snd_determine_driver(int card, char **driver);
+#endif
+
+/**
+ * \brief Loads and parses the given configurations files for each
+ * installed sound card.
+ * \param[in] root Handle to the root configuration node.
+ * \param[in] config Handle to the configuration node for this hook.
+ * \param[out] dst The function puts the handle to the configuration
+ * node loaded from the file(s) at the address specified
+ * by \a dst.
+ * \param[in] private_data Handle to the private data configuration node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This function works like #snd_config_hook_load, but the files are
+ * loaded once for each sound card. The driver name is available with
+ * the \c private_string function to customize the file name.
+ */
+int snd_config_hook_load_for_all_cards(snd_config_t *root, snd_config_t *config, snd_config_t **dst, snd_config_t *private_data ATTRIBUTE_UNUSED)
+{
+ int card = -1, err;
+
+ do {
+ err = snd_card_next(&card);
+ if (err < 0)
+ return err;
+ if (card >= 0) {
+ snd_config_t *n, *private_data = NULL;
+ const char *driver;
+ char *fdriver = NULL;
+ err = snd_determine_driver(card, &fdriver);
+ if (err < 0)
+ return err;
+ if (snd_config_search(root, fdriver, &n) >= 0) {
+ if (snd_config_get_string(n, &driver) < 0)
+ goto __err;
+ assert(driver);
+ while (1) {
+ char *s = strchr(driver, '.');
+ if (s == NULL)
+ break;
+ driver = s + 1;
+ }
+ if (snd_config_search(root, driver, &n) >= 0)
+ goto __err;
+ } else {
+ driver = fdriver;
+ }
+ err = snd_config_imake_string(&private_data, "string", driver);
+ if (err < 0)
+ goto __err;
+ err = snd_config_hook_load(root, config, &n, private_data);
+ __err:
+ if (private_data)
+ snd_config_delete(private_data);
+ free(fdriver);
+ if (err < 0)
+ return err;
+ }
+ } while (card >= 0);
+ *dst = NULL;
+ return 0;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_config_hook_load_for_all_cards, SND_CONFIG_DLSYM_VERSION_HOOK);
+#endif
+
+/**
+ * \brief Updates a configuration tree by rereading the configuration files (if needed).
+ * \param[in,out] _top Address of the handle to the top-level node.
+ * \param[in,out] _update Address of a pointer to private update information.
+ * \param[in] cfgs A list of configuration file names, delimited with ':'.
+ * If \p cfgs is \c NULL, the default global
+ * configuration file is used.
+ * \return 0 if \a _top was up to date, 1 if the configuration files
+ * have been reread, otherwise a negative error code.
+ *
+ * The variables pointed to by \a _top and \a _update can be initialized
+ * to \c NULL before the first call to this function. The private
+ * update information holds information about all used configuration
+ * files that allows this function to detects changes to them; this data
+ * can be freed with #snd_config_update_free.
+ *
+ * The global configuration files are specified in the environment variable
+ * \c ALSA_CONFIG_PATH.
+ *
+ * \warning If the configuration tree is reread, all string pointers and
+ * configuration node handles previously obtained from this tree become
+ * invalid.
+ *
+ * \par Errors:
+ * Any errors encountered when parsing the input or returned by hooks or
+ * functions.
+ */
+int snd_config_update_r(snd_config_t **_top, snd_config_update_t **_update, const char *cfgs)
+{
+ int err;
+ const char *configs, *c;
+ unsigned int k;
+ size_t l;
+ snd_config_update_t *local;
+ snd_config_update_t *update;
+ snd_config_t *top;
+
+ assert(_top && _update);
+ top = *_top;
+ update = *_update;
+ configs = cfgs;
+ if (!configs) {
+ configs = getenv(ALSA_CONFIG_PATH_VAR);
+ if (!configs || !*configs)
+ configs = ALSA_CONFIG_PATH_DEFAULT;
+ }
+ for (k = 0, c = configs; (l = strcspn(c, ": ")) > 0; ) {
+ c += l;
+ k++;
+ if (!*c)
+ break;
+ c++;
+ }
+ if (k == 0) {
+ local = NULL;
+ goto _reread;
+ }
+ local = (snd_config_update_t *)calloc(1, sizeof(snd_config_update_t));
+ if (!local)
+ return -ENOMEM;
+ local->count = k;
+ local->finfo = calloc(local->count, sizeof(struct finfo));
+ if (!local->finfo) {
+ free(local);
+ return -ENOMEM;
+ }
+ for (k = 0, c = configs; (l = strcspn(c, ": ")) > 0; ) {
+ char name[l + 1];
+ memcpy(name, c, l);
+ name[l] = 0;
+ err = snd_user_file(name, &local->finfo[k].name);
+ if (err < 0)
+ goto _end;
+ c += l;
+ k++;
+ if (!*c)
+ break;
+ c++;
+ }
+ for (k = 0; k < local->count; ++k) {
+ struct stat st;
+ struct finfo *lf = &local->finfo[k];
+ if (stat(lf->name, &st) >= 0) {
+ lf->dev = st.st_dev;
+ lf->ino = st.st_ino;
+ lf->mtime = st.st_mtime;
+ } else {
+ SNDERR("Cannot access file %s", lf->name);
+ free(lf->name);
+ memmove(&local->finfo[k], &local->finfo[k+1], sizeof(struct finfo) * (local->count - k - 1));
+ k--;
+ local->count--;
+ }
+ }
+ if (!update)
+ goto _reread;
+ if (local->count != update->count)
+ goto _reread;
+ for (k = 0; k < local->count; ++k) {
+ struct finfo *lf = &local->finfo[k];
+ struct finfo *uf = &update->finfo[k];
+ if (strcmp(lf->name, uf->name) != 0 ||
+ lf->dev != uf->dev ||
+ lf->ino != uf->ino ||
+ lf->mtime != uf->mtime)
+ goto _reread;
+ }
+ err = 0;
+
+ _end:
+ if (err < 0) {
+ if (top) {
+ snd_config_delete(top);
+ *_top = NULL;
+ }
+ if (update) {
+ snd_config_update_free(update);
+ *_update = NULL;
+ }
+ }
+ if (local)
+ snd_config_update_free(local);
+ return err;
+
+ _reread:
+ *_top = NULL;
+ *_update = NULL;
+ if (update) {
+ snd_config_update_free(update);
+ update = NULL;
+ }
+ if (top) {
+ snd_config_delete(top);
+ top = NULL;
+ }
+ err = snd_config_top(&top);
+ if (err < 0)
+ goto _end;
+ if (!local)
+ goto _skip;
+ for (k = 0; k < local->count; ++k) {
+ snd_input_t *in;
+ err = snd_input_stdio_open(&in, local->finfo[k].name, "r");
+ if (err >= 0) {
+ err = snd_config_load(top, in);
+ snd_input_close(in);
+ if (err < 0) {
+ SNDERR("%s may be old or corrupted: consider to remove or fix it", local->finfo[k].name);
+ goto _end;
+ }
+ } else {
+ SNDERR("cannot access file %s", local->finfo[k].name);
+ }
+ }
+ _skip:
+ err = snd_config_hooks(top, NULL);
+ if (err < 0) {
+ SNDERR("hooks failed, removing configuration");
+ goto _end;
+ }
+ *_top = top;
+ *_update = local;
+ return 1;
+}
+
+/**
+ * \brief Updates #snd_config by rereading the global configuration files (if needed).
+ * \return 0 if #snd_config was up to date, 1 if #snd_config was
+ * updated, otherwise a negative error code.
+ *
+ * \warning Whenever #snd_config is updated, all string pointers and
+ * configuration node handles previously obtained from it may become
+ * invalid.
+ *
+ * \par Errors:
+ * Any errors encountered when parsing the input or returned by hooks or
+ * functions.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_update(void)
+{
+ int err;
+
+ snd_config_lock();
+ err = snd_config_update_r(&snd_config, &snd_config_global_update, NULL);
+ snd_config_unlock();
+ return err;
+}
+
+/**
+ * \brief Frees a private update structure.
+ * \param[in] update The private update structure to free.
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_config_update_free(snd_config_update_t *update)
+{
+ unsigned int k;
+
+ assert(update);
+ for (k = 0; k < update->count; k++)
+ free(update->finfo[k].name);
+ free(update->finfo);
+ free(update);
+ return 0;
+}
+
+/**
+ * \brief Frees the global configuration tree in #snd_config.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions releases all resources of the global configuration
+ * tree, and sets #snd_config to \c NULL.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_update_free_global(void)
+{
+ snd_config_lock();
+ if (snd_config)
+ snd_config_delete(snd_config);
+ snd_config = NULL;
+ if (snd_config_global_update)
+ snd_config_update_free(snd_config_global_update);
+ snd_config_global_update = NULL;
+ snd_config_unlock();
+ /* FIXME: better to place this in another place... */
+ snd_dlobj_cache_cleanup();
+
+ return 0;
+}
+
+/**
+ * \brief Returns an iterator pointing to a node's first child.
+ * \param[in] config Handle to a configuration node.
+ * \return An iterator pointing to \a config's first child.
+ *
+ * \a config must be a compound node.
+ *
+ * The returned iterator is valid if it is not equal to the return value
+ * of #snd_config_iterator_end on \a config.
+ *
+ * Use #snd_config_iterator_entry to get the handle of the node pointed
+ * to.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+snd_config_iterator_t snd_config_iterator_first(const snd_config_t *config)
+{
+ assert(config->type == SND_CONFIG_TYPE_COMPOUND);
+ return config->u.compound.fields.next;
+}
+
+/**
+ * \brief Returns an iterator pointing to the next sibling.
+ * \param[in] iterator An iterator pointing to a child configuration node.
+ * \return An iterator pointing to the next sibling of \a iterator.
+ *
+ * The returned iterator is valid if it is not equal to the return value
+ * of #snd_config_iterator_end on the node's parent.
+ *
+ * Use #snd_config_iterator_entry to get the handle of the node pointed
+ * to.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+snd_config_iterator_t snd_config_iterator_next(const snd_config_iterator_t iterator)
+{
+ return iterator->next;
+}
+
+/**
+ * \brief Returns an iterator that ends a node's children list.
+ * \param[in] config Handle to a configuration node.
+ * \return An iterator that indicates the end of \a config's children list.
+ *
+ * \a config must be a compound node.
+ *
+ * The return value can be understood as pointing past the last child of
+ * \a config.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+snd_config_iterator_t snd_config_iterator_end(const snd_config_t *config)
+{
+ assert(config->type == SND_CONFIG_TYPE_COMPOUND);
+ return (const snd_config_iterator_t)&config->u.compound.fields;
+}
+
+/**
+ * \brief Returns the configuration node handle pointed to by an iterator.
+ * \param[in] iterator A configuration node iterator.
+ * \return The configuration node handle pointed to by \a iterator.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+snd_config_t *snd_config_iterator_entry(const snd_config_iterator_t iterator)
+{
+ return list_entry(iterator, snd_config_t, list);
+}
+
+#ifndef DOC_HIDDEN
+typedef enum _snd_config_walk_pass {
+ SND_CONFIG_WALK_PASS_PRE,
+ SND_CONFIG_WALK_PASS_POST,
+ SND_CONFIG_WALK_PASS_LEAF,
+} snd_config_walk_pass_t;
+#endif
+
+/* Return 1 if node needs to be attached to parent */
+/* Return 2 if compound is replaced with standard node */
+#ifndef DOC_HIDDEN
+typedef int (*snd_config_walk_callback_t)(snd_config_t *src,
+ snd_config_t *root,
+ snd_config_t **dst,
+ snd_config_walk_pass_t pass,
+ snd_config_t *private_data);
+#endif
+
+static int snd_config_walk(snd_config_t *src,
+ snd_config_t *root,
+ snd_config_t **dst,
+ snd_config_walk_callback_t callback,
+ snd_config_t *private_data)
+{
+ int err;
+ snd_config_iterator_t i, next;
+
+ switch (snd_config_get_type(src)) {
+ case SND_CONFIG_TYPE_COMPOUND:
+ err = callback(src, root, dst, SND_CONFIG_WALK_PASS_PRE, private_data);
+ if (err <= 0)
+ return err;
+ snd_config_for_each(i, next, src) {
+ snd_config_t *s = snd_config_iterator_entry(i);
+ snd_config_t *d = NULL;
+
+ err = snd_config_walk(s, root, (dst && *dst) ? &d : NULL,
+ callback, private_data);
+ if (err < 0)
+ goto _error;
+ if (err && d) {
+ err = snd_config_add(*dst, d);
+ if (err < 0)
+ goto _error;
+ }
+ }
+ err = callback(src, root, dst, SND_CONFIG_WALK_PASS_POST, private_data);
+ if (err <= 0) {
+ _error:
+ if (dst && *dst)
+ snd_config_delete(*dst);
+ }
+ break;
+ default:
+ err = callback(src, root, dst, SND_CONFIG_WALK_PASS_LEAF, private_data);
+ break;
+ }
+ return err;
+}
+
+static int _snd_config_copy(snd_config_t *src,
+ snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t **dst,
+ snd_config_walk_pass_t pass,
+ snd_config_t *private_data ATTRIBUTE_UNUSED)
+{
+ int err;
+ const char *id = src->id;
+ snd_config_type_t type = snd_config_get_type(src);
+ switch (pass) {
+ case SND_CONFIG_WALK_PASS_PRE:
+ err = snd_config_make_compound(dst, id, src->u.compound.join);
+ if (err < 0)
+ return err;
+ break;
+ case SND_CONFIG_WALK_PASS_LEAF:
+ err = snd_config_make(dst, id, type);
+ if (err < 0)
+ return err;
+ switch (type) {
+ case SND_CONFIG_TYPE_INTEGER:
+ {
+ long v;
+ err = snd_config_get_integer(src, &v);
+ assert(err >= 0);
+ snd_config_set_integer(*dst, v);
+ break;
+ }
+ case SND_CONFIG_TYPE_INTEGER64:
+ {
+ long long v;
+ err = snd_config_get_integer64(src, &v);
+ assert(err >= 0);
+ snd_config_set_integer64(*dst, v);
+ break;
+ }
+ case SND_CONFIG_TYPE_REAL:
+ {
+ double v;
+ err = snd_config_get_real(src, &v);
+ assert(err >= 0);
+ snd_config_set_real(*dst, v);
+ break;
+ }
+ case SND_CONFIG_TYPE_STRING:
+ {
+ const char *s;
+ err = snd_config_get_string(src, &s);
+ assert(err >= 0);
+ err = snd_config_set_string(*dst, s);
+ if (err < 0)
+ return err;
+ break;
+ }
+ default:
+ assert(0);
+ }
+ break;
+ default:
+ break;
+ }
+ return 1;
+}
+
+/**
+ * \brief Creates a copy of a configuration node.
+ * \param[out] dst The function puts the handle to the new configuration
+ * node at the address specified by \a dst.
+ * \param[in] src Handle to the source configuration node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * This function creates a deep copy, i.e., if \a src is a compound
+ * node, all children are copied recursively.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ * </dl>
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_config_copy(snd_config_t **dst,
+ snd_config_t *src)
+{
+ return snd_config_walk(src, NULL, dst, _snd_config_copy, NULL);
+}
+
+static int _snd_config_expand(snd_config_t *src,
+ snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t **dst,
+ snd_config_walk_pass_t pass,
+ snd_config_t *private_data)
+{
+ int err;
+ const char *id = src->id;
+ snd_config_type_t type = snd_config_get_type(src);
+ switch (pass) {
+ case SND_CONFIG_WALK_PASS_PRE:
+ {
+ if (id && strcmp(id, "@args") == 0)
+ return 0;
+ err = snd_config_make_compound(dst, id, src->u.compound.join);
+ if (err < 0)
+ return err;
+ break;
+ }
+ case SND_CONFIG_WALK_PASS_LEAF:
+ switch (type) {
+ case SND_CONFIG_TYPE_INTEGER:
+ {
+ long v;
+ err = snd_config_get_integer(src, &v);
+ assert(err >= 0);
+ err = snd_config_imake_integer(dst, id, v);
+ if (err < 0)
+ return err;
+ break;
+ }
+ case SND_CONFIG_TYPE_INTEGER64:
+ {
+ long long v;
+ err = snd_config_get_integer64(src, &v);
+ assert(err >= 0);
+ err = snd_config_imake_integer64(dst, id, v);
+ if (err < 0)
+ return err;
+ break;
+ }
+ case SND_CONFIG_TYPE_REAL:
+ {
+ double v;
+ err = snd_config_get_real(src, &v);
+ assert(err >= 0);
+ err = snd_config_imake_real(dst, id, v);
+ if (err < 0)
+ return err;
+ break;
+ }
+ case SND_CONFIG_TYPE_STRING:
+ {
+ const char *s;
+ snd_config_t *val;
+ snd_config_t *vars = private_data;
+ snd_config_get_string(src, &s);
+ if (s && *s == '$') {
+ s++;
+ if (snd_config_search(vars, s, &val) < 0)
+ return 0;
+ err = snd_config_copy(dst, val);
+ if (err < 0)
+ return err;
+ err = snd_config_set_id(*dst, id);
+ if (err < 0) {
+ snd_config_delete(*dst);
+ return err;
+ }
+ } else {
+ err = snd_config_imake_string(dst, id, s);
+ if (err < 0)
+ return err;
+ }
+ break;
+ }
+ default:
+ assert(0);
+ }
+ break;
+ default:
+ break;
+ }
+ return 1;
+}
+
+static int _snd_config_evaluate(snd_config_t *src,
+ snd_config_t *root,
+ snd_config_t **dst ATTRIBUTE_UNUSED,
+ snd_config_walk_pass_t pass,
+ snd_config_t *private_data)
+{
+ int err;
+ if (pass == SND_CONFIG_WALK_PASS_PRE) {
+ char *buf = NULL;
+ const char *lib = NULL, *func_name = NULL;
+ const char *str;
+ int (*func)(snd_config_t **dst, snd_config_t *root,
+ snd_config_t *src, snd_config_t *private_data) = NULL;
+ void *h = NULL;
+ snd_config_t *c, *func_conf = NULL;
+ err = snd_config_search(src, "@func", &c);
+ if (err < 0)
+ return 1;
+ err = snd_config_get_string(c, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for @func");
+ return err;
+ }
+ assert(str);
+ err = snd_config_search_definition(root, "func", str, &func_conf);
+ if (err >= 0) {
+ snd_config_iterator_t i, next;
+ if (snd_config_get_type(func_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for func %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, func_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id = n->id;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "func") == 0) {
+ err = snd_config_get_string(n, &func_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ }
+ }
+ if (!func_name) {
+ int len = 9 + strlen(str) + 1;
+ buf = malloc(len);
+ if (! buf) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ snprintf(buf, len, "snd_func_%s", str);
+ buf[len-1] = '\0';
+ func_name = buf;
+ }
+ h = snd_dlopen(lib, RTLD_NOW);
+ if (h)
+ func = snd_dlsym(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_EVALUATE));
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ goto _errbuf;
+ } else if (!func) {
+ SNDERR("symbol %s is not defined inside %s", func_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ goto _errbuf;
+ }
+ _err:
+ if (func_conf)
+ snd_config_delete(func_conf);
+ if (err >= 0) {
+ snd_config_t *eval;
+ err = func(&eval, root, src, private_data);
+ if (err < 0)
+ SNDERR("function %s returned error: %s", func_name, snd_strerror(err));
+ snd_dlclose(h);
+ if (err >= 0 && eval) {
+ /* substitute merges compound members */
+ /* we don't want merging at all */
+ err = snd_config_delete_compound_members(src);
+ if (err >= 0)
+ err = snd_config_substitute(src, eval);
+ }
+ }
+ _errbuf:
+ free(buf);
+ if (err < 0)
+ return err;
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * \brief Evaluates a configuration node at runtime.
+ * \param[in,out] config Handle to the source configuration node.
+ * \param[in] root Handle to the root of the source configuration.
+ * \param[in] private_data Handle to the private data node for runtime evaluation.
+ * \param result Must be \c NULL.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * This function evaluates any functions (\c \@func) in \a config and
+ * replaces those nodes with the respective function results.
+ */
+int snd_config_evaluate(snd_config_t *config, snd_config_t *root,
+ snd_config_t *private_data, snd_config_t **result)
+{
+ /* FIXME: Only in place evaluation is currently implemented */
+ assert(result == NULL);
+ return snd_config_walk(config, root, result, _snd_config_evaluate, private_data);
+}
+
+static int load_defaults(snd_config_t *subs, snd_config_t *defs)
+{
+ snd_config_iterator_t d, dnext;
+ snd_config_for_each(d, dnext, defs) {
+ snd_config_t *def = snd_config_iterator_entry(d);
+ snd_config_iterator_t f, fnext;
+ if (snd_config_get_type(def) != SND_CONFIG_TYPE_COMPOUND)
+ continue;
+ snd_config_for_each(f, fnext, def) {
+ snd_config_t *fld = snd_config_iterator_entry(f);
+ const char *id = fld->id;
+ if (strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "default") == 0) {
+ snd_config_t *deflt;
+ int err;
+ err = snd_config_copy(&deflt, fld);
+ if (err < 0)
+ return err;
+ err = snd_config_set_id(deflt, def->id);
+ if (err < 0) {
+ snd_config_delete(deflt);
+ return err;
+ }
+ err = snd_config_add(subs, deflt);
+ if (err < 0) {
+ snd_config_delete(deflt);
+ return err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+
+static void skip_blank(const char **ptr)
+{
+ while (1) {
+ switch (**ptr) {
+ case ' ':
+ case '\f':
+ case '\t':
+ case '\n':
+ case '\r':
+ break;
+ default:
+ return;
+ }
+ (*ptr)++;
+ }
+}
+
+static int parse_char(const char **ptr)
+{
+ int c;
+ assert(**ptr == '\\');
+ (*ptr)++;
+ c = **ptr;
+ switch (c) {
+ case 'n':
+ c = '\n';
+ break;
+ case 't':
+ c = '\t';
+ break;
+ case 'v':
+ c = '\v';
+ break;
+ case 'b':
+ c = '\b';
+ break;
+ case 'r':
+ c = '\r';
+ break;
+ case 'f':
+ c = '\f';
+ break;
+ case '0' ... '7':
+ {
+ int num = c - '0';
+ int i = 1;
+ (*ptr)++;
+ do {
+ c = **ptr;
+ if (c < '0' || c > '7')
+ break;
+ num = num * 8 + c - '0';
+ i++;
+ (*ptr)++;
+ } while (i < 3);
+ return num;
+ }
+ default:
+ break;
+ }
+ (*ptr)++;
+ return c;
+}
+
+static int parse_id(const char **ptr)
+{
+ if (!**ptr)
+ return -EINVAL;
+ while (1) {
+ switch (**ptr) {
+ case '\f':
+ case '\t':
+ case '\n':
+ case '\r':
+ case ',':
+ case '=':
+ case '\0':
+ return 0;
+ default:
+ break;
+ }
+ (*ptr)++;
+ }
+}
+
+static int parse_string(const char **ptr, char **val)
+{
+ const size_t bufsize = 256;
+ char _buf[bufsize];
+ char *buf = _buf;
+ size_t alloc = bufsize;
+ char delim = **ptr;
+ size_t idx = 0;
+ (*ptr)++;
+ while (1) {
+ int c = **ptr;
+ switch (c) {
+ case '\0':
+ SNDERR("Unterminated string");
+ return -EINVAL;
+ case '\\':
+ c = parse_char(ptr);
+ if (c < 0)
+ return c;
+ break;
+ default:
+ (*ptr)++;
+ if (c == delim) {
+ *val = malloc(idx + 1);
+ if (!*val)
+ return -ENOMEM;
+ memcpy(*val, buf, idx);
+ (*val)[idx] = 0;
+ if (alloc > bufsize)
+ free(buf);
+ return 0;
+ }
+ }
+ if (idx >= alloc) {
+ size_t old_alloc = alloc;
+ alloc *= 2;
+ if (old_alloc == bufsize) {
+ buf = malloc(alloc);
+ memcpy(buf, _buf, old_alloc);
+ } else {
+ buf = realloc(buf, alloc);
+ }
+ if (!buf)
+ return -ENOMEM;
+ }
+ buf[idx++] = c;
+ }
+}
+
+
+/* Parse var=val or val */
+static int parse_arg(const char **ptr, unsigned int *varlen, char **val)
+{
+ const char *str;
+ int err, vallen;
+ skip_blank(ptr);
+ str = *ptr;
+ if (*str == '"' || *str == '\'') {
+ err = parse_string(ptr, val);
+ if (err < 0)
+ return err;
+ *varlen = 0;
+ return 0;
+ }
+ err = parse_id(ptr);
+ if (err < 0)
+ return err;
+ vallen = *ptr - str;
+ skip_blank(ptr);
+ if (**ptr != '=') {
+ *varlen = 0;
+ goto _value;
+ }
+ *varlen = vallen;
+ (*ptr)++;
+ skip_blank(ptr);
+ str = *ptr;
+ if (*str == '"' || *str == '\'') {
+ err = parse_string(ptr, val);
+ if (err < 0)
+ return err;
+ return 0;
+ }
+ err = parse_id(ptr);
+ if (err < 0)
+ return err;
+ vallen = *ptr - str;
+ _value:
+ *val = malloc(vallen + 1);
+ if (!*val)
+ return -ENOMEM;
+ memcpy(*val, str, vallen);
+ (*val)[vallen] = 0;
+ return 0;
+}
+
+
+/* val1, val2, ...
+ * var1=val1,var2=val2,...
+ * { conf syntax }
+ */
+static int parse_args(snd_config_t *subs, const char *str, snd_config_t *defs)
+{
+ int err;
+ int arg = 0;
+ if (str == NULL)
+ return 0;
+ skip_blank(&str);
+ if (!*str)
+ return 0;
+ if (*str == '{') {
+ int len = strlen(str);
+ snd_input_t *input;
+ snd_config_iterator_t i, next;
+ while (1) {
+ switch (str[--len]) {
+ case ' ':
+ case '\f':
+ case '\t':
+ case '\n':
+ case '\r':
+ continue;
+ default:
+ break;
+ }
+ break;
+ }
+ if (str[len] != '}')
+ return -EINVAL;
+ err = snd_input_buffer_open(&input, str + 1, len - 1);
+ if (err < 0)
+ return err;
+ err = snd_config_load_override(subs, input);
+ snd_input_close(input);
+ if (err < 0)
+ return err;
+ snd_config_for_each(i, next, subs) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ snd_config_t *d;
+ const char *id = n->id;
+ err = snd_config_search(defs, id, &d);
+ if (err < 0) {
+ SNDERR("Unknown parameter %s", id);
+ return err;
+ }
+ }
+ return 0;
+ }
+
+ while (1) {
+ char buf[256];
+ const char *var = buf;
+ unsigned int varlen;
+ snd_config_t *def, *sub, *typ;
+ const char *new = str;
+ const char *tmp;
+ char *val = NULL;
+ err = parse_arg(&new, &varlen, &val);
+ if (err < 0)
+ goto _err;
+ if (varlen > 0) {
+ assert(varlen < sizeof(buf));
+ memcpy(buf, str, varlen);
+ buf[varlen] = 0;
+ } else {
+ sprintf(buf, "%d", arg);
+ }
+ err = snd_config_search_alias(defs, NULL, var, &def);
+ if (err < 0) {
+ SNDERR("Unknown parameter %s", var);
+ goto _err;
+ }
+ if (snd_config_get_type(def) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Parameter %s definition is not correct", var);
+ err = -EINVAL;
+ goto _err;
+ }
+ var = def->id;
+ err = snd_config_search(subs, var, &sub);
+ if (err >= 0)
+ snd_config_delete(sub);
+ err = snd_config_search(def, "type", &typ);
+ if (err < 0) {
+ _invalid_type:
+ SNDERR("Parameter %s definition is missing a valid type info", var);
+ goto _err;
+ }
+ err = snd_config_get_string(typ, &tmp);
+ if (err < 0 || !tmp)
+ goto _invalid_type;
+ if (strcmp(tmp, "integer") == 0) {
+ long v;
+ err = snd_config_make(&sub, var, SND_CONFIG_TYPE_INTEGER);
+ if (err < 0)
+ goto _err;
+ err = safe_strtol(val, &v);
+ if (err < 0) {
+ SNDERR("Parameter %s must be an integer", var);
+ goto _err;
+ }
+ err = snd_config_set_integer(sub, v);
+ if (err < 0)
+ goto _err;
+ } else if (strcmp(tmp, "integer64") == 0) {
+ long long v;
+ err = snd_config_make(&sub, var, SND_CONFIG_TYPE_INTEGER64);
+ if (err < 0)
+ goto _err;
+ err = safe_strtoll(val, &v);
+ if (err < 0) {
+ SNDERR("Parameter %s must be an integer", var);
+ goto _err;
+ }
+ err = snd_config_set_integer64(sub, v);
+ if (err < 0)
+ goto _err;
+ } else if (strcmp(tmp, "real") == 0) {
+ double v;
+ err = snd_config_make(&sub, var, SND_CONFIG_TYPE_REAL);
+ if (err < 0)
+ goto _err;
+ err = safe_strtod(val, &v);
+ if (err < 0) {
+ SNDERR("Parameter %s must be a real", var);
+ goto _err;
+ }
+ err = snd_config_set_real(sub, v);
+ if (err < 0)
+ goto _err;
+ } else if (strcmp(tmp, "string") == 0) {
+ err = snd_config_make(&sub, var, SND_CONFIG_TYPE_STRING);
+ if (err < 0)
+ goto _err;
+ err = snd_config_set_string(sub, val);
+ if (err < 0)
+ goto _err;
+ } else {
+ err = -EINVAL;
+ goto _invalid_type;
+ }
+ err = snd_config_set_id(sub, var);
+ if (err < 0)
+ goto _err;
+ err = snd_config_add(subs, sub);
+ if (err < 0) {
+ _err:
+ free(val);
+ return err;
+ }
+ free(val);
+ if (!*new)
+ break;
+ if (*new != ',')
+ return -EINVAL;
+ str = new + 1;
+ arg++;
+ }
+ return 0;
+}
+
+/**
+ * \brief Expands a configuration node, applying arguments and functions.
+ * \param[in] config Handle to the configuration node.
+ * \param[in] root Handle to the root configuration node.
+ * \param[in] args Arguments string, can be \c NULL.
+ * \param[in] private_data Handle to the private data node for functions.
+ * \param[out] result The function puts the handle to the result
+ * configuration node at the address specified by
+ * \a result.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * If \a config has arguments (defined by a child with id \c \@args),
+ * this function replaces any string node beginning with $ with the
+ * respective argument value, or the default argument value, or nothing.
+ * Furthermore, any functions are evaluated (see #snd_config_evaluate).
+ * The resulting copy of \a config is returned in \a result.
+ */
+int snd_config_expand(snd_config_t *config, snd_config_t *root, const char *args,
+ snd_config_t *private_data, snd_config_t **result)
+{
+ int err;
+ snd_config_t *defs, *subs = NULL, *res;
+ err = snd_config_search(config, "@args", &defs);
+ if (err < 0) {
+ if (args != NULL) {
+ SNDERR("Unknown parameters %s", args);
+ return -EINVAL;
+ }
+ err = snd_config_copy(&res, config);
+ if (err < 0)
+ return err;
+ } else {
+ err = snd_config_top(&subs);
+ if (err < 0)
+ return err;
+ err = load_defaults(subs, defs);
+ if (err < 0) {
+ SNDERR("Load defaults error: %s", snd_strerror(err));
+ goto _end;
+ }
+ err = parse_args(subs, args, defs);
+ if (err < 0) {
+ SNDERR("Parse arguments error: %s", snd_strerror(err));
+ goto _end;
+ }
+ err = snd_config_evaluate(subs, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("Args evaluate error: %s", snd_strerror(err));
+ goto _end;
+ }
+ err = snd_config_walk(config, root, &res, _snd_config_expand, subs);
+ if (err < 0) {
+ SNDERR("Expand error (walk): %s", snd_strerror(err));
+ goto _end;
+ }
+ }
+ err = snd_config_evaluate(res, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("Evaluate error: %s", snd_strerror(err));
+ snd_config_delete(res);
+ goto _end;
+ }
+ *result = res;
+ err = 1;
+ _end:
+ if (subs)
+ snd_config_delete(subs);
+ return err;
+}
+
+/**
+ * \brief Searches for a definition in a configuration tree, using
+ * aliases and expanding hooks and arguments.
+ * \param[in] config Handle to the configuration (sub)tree to search.
+ * \param[in] base Implicit key base, or \c NULL for none.
+ * \param[in] name Key suffix, optionally with arguments.
+ * \param[out] result The function puts the handle to the expanded found
+ * node at the address specified by \a result.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * This functions searches for a child node of \a config, allowing
+ * aliases and expanding hooks, like #snd_config_search_alias_hooks.
+ *
+ * If \a name contains a colon (:), the rest of the string after the
+ * colon contains arguments that are expanded as with
+ * #snd_config_expand.
+ *
+ * In any case, \a result is a new node that must be freed by the
+ * caller.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOENT<dd>An id in \a key or an alias id does not exist.
+ * <dt>-ENOENT<dd>\a config or one of its child nodes to be searched is
+ * not a compound node.
+ * </dl>
+ * Additionally, any errors encountered when parsing the hook
+ * definitions or arguments, or returned by (hook) functions.
+ */
+int snd_config_search_definition(snd_config_t *config,
+ const char *base, const char *name,
+ snd_config_t **result)
+{
+ snd_config_t *conf;
+ char *key;
+ const char *args = strchr(name, ':');
+ int err;
+ if (args) {
+ args++;
+ key = alloca(args - name);
+ memcpy(key, name, args - name - 1);
+ key[args - name - 1] = '\0';
+ } else {
+ key = (char *) name;
+ }
+ /*
+ * if key contains dot (.), the implicit base is ignored
+ * and the key starts from root given by the 'config' parameter
+ */
+ snd_config_lock();
+ err = snd_config_search_alias_hooks(config, strchr(key, '.') ? NULL : base, key, &conf);
+ if (err < 0) {
+ snd_config_unlock();
+ return err;
+ }
+ err = snd_config_expand(conf, config, args, NULL, result);
+ snd_config_unlock();
+ return err;
+}
+
+#ifndef DOC_HIDDEN
+void snd_config_set_hop(snd_config_t *conf, int hop)
+{
+ conf->hop = hop;
+}
+
+int snd_config_check_hop(snd_config_t *conf)
+{
+ if (conf) {
+ if (conf->hop >= SND_CONF_MAX_HOPS) {
+ SYSERR("Too many definition levels (looped?)\n");
+ return -EINVAL;
+ }
+ return conf->hop;
+ }
+ return 0;
+}
+#endif
+
+#if 0
+/* Not strictly needed, but useful to check for memory leaks */
+void _snd_config_end(void) __attribute__ ((destructor));
+
+static void _snd_config_end(void)
+{
+ int k;
+ if (snd_config)
+ snd_config_delete(snd_config);
+ snd_config = 0;
+ for (k = 0; k < files_info_count; ++k)
+ free(files_info[k].name);
+ free(files_info);
+ files_info = NULL;
+ files_info_count = 0;
+}
+#endif
diff --git a/src/conf/Makefile.am b/src/conf/Makefile.am
new file mode 100644
index 0000000..948d5a1
--- /dev/null
+++ b/src/conf/Makefile.am
@@ -0,0 +1,15 @@
+SUBDIRS=cards pcm alsa.conf.d ucm
+
+cfg_files = alsa.conf
+if BUILD_ALISP
+cfg_files += sndo-mixer.alisp
+endif
+if BUILD_MODULES
+cfg_files += smixer.conf
+endif
+
+EXTRA_DIST = $(cfg_files)
+
+alsaconfigdir = @ALSA_CONFIG_DIR@
+alsadir = $(alsaconfigdir)
+alsa_DATA = $(cfg_files)
diff --git a/src/conf/Makefile.in b/src/conf/Makefile.in
new file mode 100644
index 0000000..c0caae2
--- /dev/null
+++ b/src/conf/Makefile.in
@@ -0,0 +1,657 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
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+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
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+@BUILD_MODULES_TRUE@am__append_2 = smixer.conf
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+am__nobase_list = $(am__nobase_strip_setup); \
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+ sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
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+am__uninstall_files_from_dir = { \
+ test -z "$$files" \
+ || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
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+am__installdirs = "$(DESTDIR)$(alsadir)"
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+ first2=`echo "$$dir2" | sed -e "$$sed_first"`; \
+ if test "$$first2" = "$$first"; then \
+ dir2=`echo "$$dir2" | sed -e "$$sed_rest"`; \
+ else \
+ dir2="../$$dir2"; \
+ fi; \
+ dir0="$$dir0"/"$$first"; \
+ fi; \
+ fi; \
+ dir1=`echo "$$dir1" | sed -e "$$sed_rest"`; \
+ done; \
+ reldir="$$dir2"
+ACLOCAL = @ACLOCAL@
+ALSA_CONFIG_DIR = @ALSA_CONFIG_DIR@
+ALSA_DEPLIBS = @ALSA_DEPLIBS@
+ALSA_PKGCONF_DIR = @ALSA_PKGCONF_DIR@
+ALSA_PLUGIN_DIR = @ALSA_PLUGIN_DIR@
+AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
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+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+FGREP = @FGREP@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBTOOL_VERSION_INFO = @LIBTOOL_VERSION_INFO@
+LIPO = @LIPO@
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+SND_LIB_MAJOR = @SND_LIB_MAJOR@
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+SND_LIB_SUBMINOR = @SND_LIB_SUBMINOR@
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+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
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+SUBDIRS = cards pcm alsa.conf.d ucm
+cfg_files = alsa.conf $(am__append_1) $(am__append_2)
+EXTRA_DIST = $(cfg_files)
+alsaconfigdir = @ALSA_CONFIG_DIR@
+alsadir = $(alsaconfigdir)
+alsa_DATA = $(cfg_files)
+all: all-recursive
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/conf/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/conf/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+install-alsaDATA: $(alsa_DATA)
+ @$(NORMAL_INSTALL)
+ @list='$(alsa_DATA)'; test -n "$(alsadir)" || list=; \
+ if test -n "$$list"; then \
+ echo " $(MKDIR_P) '$(DESTDIR)$(alsadir)'"; \
+ $(MKDIR_P) "$(DESTDIR)$(alsadir)" || exit 1; \
+ fi; \
+ for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ echo "$$d$$p"; \
+ done | $(am__base_list) | \
+ while read files; do \
+ echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(alsadir)'"; \
+ $(INSTALL_DATA) $$files "$(DESTDIR)$(alsadir)" || exit $$?; \
+ done
+
+uninstall-alsaDATA:
+ @$(NORMAL_UNINSTALL)
+ @list='$(alsa_DATA)'; test -n "$(alsadir)" || list=; \
+ files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+ dir='$(DESTDIR)$(alsadir)'; $(am__uninstall_files_from_dir)
+
+# This directory's subdirectories are mostly independent; you can cd
+# into them and run 'make' without going through this Makefile.
+# To change the values of 'make' variables: instead of editing Makefiles,
+# (1) if the variable is set in 'config.status', edit 'config.status'
+# (which will cause the Makefiles to be regenerated when you run 'make');
+# (2) otherwise, pass the desired values on the 'make' command line.
+$(RECURSIVE_TARGETS) $(RECURSIVE_CLEAN_TARGETS):
+ @fail= failcom='exit 1'; \
+ for f in x $$MAKEFLAGS; do \
+ case $$f in \
+ *=* | --[!k]*);; \
+ *k*) failcom='fail=yes';; \
+ esac; \
+ done; \
+ dot_seen=no; \
+ target=`echo $@ | sed s/-recursive//`; \
+ case "$@" in \
+ distclean-* | maintainer-clean-*) list='$(DIST_SUBDIRS)' ;; \
+ *) list='$(SUBDIRS)' ;; \
+ esac; \
+ for subdir in $$list; do \
+ echo "Making $$target in $$subdir"; \
+ if test "$$subdir" = "."; then \
+ dot_seen=yes; \
+ local_target="$$target-am"; \
+ else \
+ local_target="$$target"; \
+ fi; \
+ ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) $$local_target) \
+ || eval $$failcom; \
+ done; \
+ if test "$$dot_seen" = "no"; then \
+ $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
+ fi; test -z "$$fail"
+tags-recursive:
+ list='$(SUBDIRS)'; for subdir in $$list; do \
+ test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) tags); \
+ done
+ctags-recursive:
+ list='$(SUBDIRS)'; for subdir in $$list; do \
+ test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) ctags); \
+ done
+cscopelist-recursive:
+ list='$(SUBDIRS)'; for subdir in $$list; do \
+ test "$$subdir" = . || ($(am__cd) $$subdir && $(MAKE) $(AM_MAKEFLAGS) cscopelist); \
+ done
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: tags-recursive $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
+ include_option=--etags-include; \
+ empty_fix=.; \
+ else \
+ include_option=--include; \
+ empty_fix=; \
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+ list='$(SUBDIRS)'; for subdir in $$list; do \
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+ set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
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+ done; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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+ fi
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+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+
+GTAGS:
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+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: cscopelist-recursive $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
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+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+ @list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+ if test "$$subdir" = .; then :; else \
+ $(am__make_dryrun) \
+ || test -d "$(distdir)/$$subdir" \
+ || $(MKDIR_P) "$(distdir)/$$subdir" \
+ || exit 1; \
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+ $(am__relativize); \
+ new_distdir=$$reldir; \
+ dir1=$$subdir; dir2="$(top_distdir)"; \
+ $(am__relativize); \
+ new_top_distdir=$$reldir; \
+ echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+ echo " am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
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+ top_distdir="$$new_top_distdir" \
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+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-recursive
+all-am: Makefile $(DATA)
+installdirs: installdirs-recursive
+installdirs-am:
+ for dir in "$(DESTDIR)$(alsadir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
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+install-data: install-data-recursive
+uninstall: uninstall-recursive
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+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
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+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am: install-alsaDATA
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am: uninstall-alsaDATA
+
+.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) \
+ cscopelist-recursive ctags-recursive install-am install-strip \
+ tags-recursive
+
+.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
+ all all-am check check-am clean clean-generic clean-libtool \
+ cscopelist cscopelist-recursive ctags ctags-recursive \
+ distclean distclean-generic distclean-libtool distclean-tags \
+ distdir dvi dvi-am html html-am info info-am install \
+ install-alsaDATA install-am install-data install-data-am \
+ install-dvi install-dvi-am install-exec install-exec-am \
+ install-html install-html-am install-info install-info-am \
+ install-man install-pdf install-pdf-am install-ps \
+ install-ps-am install-strip installcheck installcheck-am \
+ installdirs installdirs-am maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-generic \
+ mostlyclean-libtool pdf pdf-am ps ps-am tags tags-recursive \
+ uninstall uninstall-alsaDATA uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/conf/alsa.conf b/src/conf/alsa.conf
new file mode 100644
index 0000000..5c928e8
--- /dev/null
+++ b/src/conf/alsa.conf
@@ -0,0 +1,621 @@
+#
+# ALSA library configuration file
+#
+
+# pre-load the configuration files
+
+@hooks [
+ {
+ func load
+ files [
+ {
+ @func concat
+ strings [
+ { @func datadir }
+ "/alsa.conf.d/"
+ ]
+ }
+ "/etc/asound.conf"
+ "~/.asoundrc"
+ ]
+ errors false
+ }
+]
+
+# load card-specific configuration files (on request)
+
+cards.@hooks [
+ {
+ func load
+ files [
+ {
+ @func concat
+ strings [
+ { @func datadir }
+ "/cards/aliases.conf"
+ ]
+ }
+ ]
+ }
+ {
+ func load_for_all_cards
+ files [
+ {
+ @func concat
+ strings [
+ { @func datadir }
+ "/cards/"
+ { @func private_string }
+ ".conf"
+ ]
+ }
+ ]
+ errors false
+ }
+]
+
+#
+# defaults
+#
+
+# show all name hints also for definitions without hint {} section
+defaults.namehint.showall off
+# show just basic name hints
+defaults.namehint.basic on
+# show extended name hints
+defaults.namehint.extended off
+#
+defaults.ctl.card 0
+defaults.pcm.card 0
+defaults.pcm.device 0
+defaults.pcm.subdevice -1
+defaults.pcm.nonblock 1
+defaults.pcm.compat 0
+defaults.pcm.minperiodtime 5000 # in us
+defaults.pcm.ipc_key 5678293
+defaults.pcm.ipc_gid audio
+defaults.pcm.ipc_perm 0660
+defaults.pcm.dmix.max_periods 0
+defaults.pcm.dmix.rate 48000
+defaults.pcm.dmix.format "unchanged"
+defaults.pcm.dmix.card defaults.pcm.card
+defaults.pcm.dmix.device defaults.pcm.device
+defaults.pcm.dsnoop.card defaults.pcm.card
+defaults.pcm.dsnoop.device defaults.pcm.device
+defaults.pcm.front.card defaults.pcm.card
+defaults.pcm.front.device defaults.pcm.device
+defaults.pcm.rear.card defaults.pcm.card
+defaults.pcm.rear.device defaults.pcm.device
+defaults.pcm.center_lfe.card defaults.pcm.card
+defaults.pcm.center_lfe.device defaults.pcm.device
+defaults.pcm.side.card defaults.pcm.card
+defaults.pcm.side.device defaults.pcm.device
+defaults.pcm.surround21.card defaults.pcm.card
+defaults.pcm.surround21.device defaults.pcm.device
+defaults.pcm.surround40.card defaults.pcm.card
+defaults.pcm.surround40.device defaults.pcm.device
+defaults.pcm.surround41.card defaults.pcm.card
+defaults.pcm.surround41.device defaults.pcm.device
+defaults.pcm.surround50.card defaults.pcm.card
+defaults.pcm.surround50.device defaults.pcm.device
+defaults.pcm.surround51.card defaults.pcm.card
+defaults.pcm.surround51.device defaults.pcm.device
+defaults.pcm.surround71.card defaults.pcm.card
+defaults.pcm.surround71.device defaults.pcm.device
+defaults.pcm.iec958.card defaults.pcm.card
+defaults.pcm.iec958.device defaults.pcm.device
+defaults.pcm.modem.card defaults.pcm.card
+defaults.pcm.modem.device defaults.pcm.device
+# truncate files via file or tee PCM
+defaults.pcm.file_format "raw"
+defaults.pcm.file_truncate true
+defaults.rawmidi.card 0
+defaults.rawmidi.device 0
+defaults.rawmidi.subdevice -1
+defaults.hwdep.card 0
+defaults.hwdep.device 0
+defaults.timer.class 2
+defaults.timer.sclass 0
+defaults.timer.card 0
+defaults.timer.device 0
+defaults.timer.subdevice 0
+
+#
+# PCM interface
+#
+
+# redirect to load-on-demand extended pcm definitions
+pcm.cards cards.pcm
+
+pcm.default cards.pcm.default
+pcm.sysdefault cards.pcm.default
+pcm.front cards.pcm.front
+pcm.rear cards.pcm.rear
+pcm.center_lfe cards.pcm.center_lfe
+pcm.side cards.pcm.side
+pcm.surround21 cards.pcm.surround21
+pcm.surround40 cards.pcm.surround40
+pcm.surround41 cards.pcm.surround41
+pcm.surround50 cards.pcm.surround50
+pcm.surround51 cards.pcm.surround51
+pcm.surround71 cards.pcm.surround71
+pcm.iec958 cards.pcm.iec958
+pcm.spdif iec958
+pcm.hdmi cards.pcm.hdmi
+pcm.dmix cards.pcm.dmix
+pcm.dsnoop cards.pcm.dsnoop
+pcm.modem cards.pcm.modem
+pcm.phoneline cards.pcm.phoneline
+
+pcm.hw {
+ @args [ CARD DEV SUBDEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_PCM_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.device
+ }
+ }
+ }
+ @args.SUBDEV {
+ type integer
+ default {
+ @func refer
+ name defaults.pcm.subdevice
+ }
+ }
+ type hw
+ card $CARD
+ device $DEV
+ subdevice $SUBDEV
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.extended
+ }
+ description "Direct hardware device without any conversions"
+ }
+}
+
+pcm.plughw {
+ @args [ CARD DEV SUBDEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_PCM_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.device
+ }
+ }
+ }
+ @args.SUBDEV {
+ type integer
+ default {
+ @func refer
+ name defaults.pcm.subdevice
+ }
+ }
+ type plug
+ slave.pcm {
+ type hw
+ card $CARD
+ device $DEV
+ subdevice $SUBDEV
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.extended
+ }
+ description "Hardware device with all software conversions"
+ }
+}
+
+pcm.plug {
+ @args [ SLAVE ]
+ @args.SLAVE {
+ type string
+ }
+ type plug
+ slave.pcm $SLAVE
+}
+
+pcm.shm {
+ @args [ SOCKET PCM ]
+ @args.SOCKET {
+ type string
+ }
+ @args.PCM {
+ type string
+ }
+ type shm
+ server $SOCKET
+ pcm $PCM
+}
+
+pcm.tee {
+ @args [ SLAVE FILE FORMAT ]
+ @args.SLAVE {
+ type string
+ }
+ @args.FILE {
+ type string
+ }
+ @args.FORMAT {
+ type string
+ default {
+ @func refer
+ name defaults.pcm.file_format
+ }
+ }
+ type file
+ slave.pcm $SLAVE
+ file $FILE
+ format $FORMAT
+ truncate {
+ @func refer
+ name defaults.pcm.file_truncate
+ }
+}
+
+pcm.file {
+ @args [ FILE FORMAT ]
+ @args.FILE {
+ type string
+ }
+ @args.FORMAT {
+ type string
+ default {
+ @func refer
+ name defaults.pcm.file_format
+ }
+ }
+ type file
+ slave.pcm null
+ file $FILE
+ format $FORMAT
+ truncate {
+ @func refer
+ name defaults.pcm.file_truncate
+ }
+}
+
+pcm.null {
+ type null
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "Discard all samples (playback) or generate zero samples (capture)"
+ }
+}
+
+#
+# Control interface
+#
+
+ctl.sysdefault {
+ type hw
+ card {
+ @func getenv
+ vars [
+ ALSA_CTL_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.ctl.card
+ }
+ }
+}
+ctl.default ctl.sysdefault
+
+ctl.hw {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_CTL_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.ctl.card
+ }
+ }
+ }
+ type hw
+ card $CARD
+}
+
+ctl.shm {
+ @args [ SOCKET CTL ]
+ @args.SOCKET {
+ type string
+ }
+ @args.CTL {
+ type string
+ }
+ type shm
+ server $SOCKET
+ ctl $CTL
+}
+
+#
+# RawMidi interface
+#
+
+rawmidi.default {
+ type hw
+ card {
+ @func getenv
+ vars [
+ ALSA_RAWMIDI_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.rawmidi.card
+ }
+ }
+ device {
+ @func igetenv
+ vars [
+ ALSA_RAWMIDI_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.rawmidi.device
+ }
+ }
+}
+
+rawmidi.hw {
+ @args [ CARD DEV SUBDEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_RAWMIDI_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.rawmidi.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_RAWMIDI_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.rawmidi.device
+ }
+ }
+ }
+ @args.SUBDEV {
+ type integer
+ default -1
+ }
+ type hw
+ card $CARD
+ device $DEV
+ subdevice $SUBDEV
+ hint {
+ description "Direct rawmidi driver device"
+ device $DEV
+ }
+}
+
+rawmidi.virtual {
+ @args [ MERGE ]
+ @args.MERGE {
+ type string
+ default 1
+ }
+ type virtual
+ merge $MERGE
+}
+
+#
+# Sequencer interface
+#
+
+seq.default {
+ type hw
+}
+
+seq.hw {
+ type hw
+}
+
+#
+# HwDep interface
+#
+
+hwdep.default {
+ type hw
+ card {
+ @func getenv
+ vars [
+ ALSA_HWDEP_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.hwdep.card
+ }
+ }
+ device {
+ @func igetenv
+ vars [
+ ALSA_HWDEP_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.hwdep.device
+ }
+ }
+}
+
+hwdep.hw {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_HWDEP_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.hwdep.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_HWDEP_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.hwdep.device
+ }
+ }
+ }
+ type hw
+ card $CARD
+ device $DEV
+}
+
+#
+# Timer interface
+#
+
+timer_query.default {
+ type hw
+}
+
+timer_query.hw {
+ type hw
+}
+
+timer.default {
+ type hw
+ class {
+ @func refer
+ name defaults.timer.class
+ }
+ sclass {
+ @func refer
+ name defaults.timer.sclass
+ }
+ card {
+ @func refer
+ name defaults.timer.card
+ }
+ device {
+ @func refer
+ name defaults.timer.device
+ }
+ subdevice {
+ @func refer
+ name defaults.timer.subdevice
+ }
+ hint.description "Default direct hardware timer device"
+}
+
+timer.hw {
+ @args [ CLASS SCLASS CARD DEV SUBDEV ]
+ @args.CLASS {
+ type integer
+ default {
+ @func refer
+ name defaults.timer.class
+ }
+ }
+ @args.SCLASS {
+ type integer
+ default {
+ @func refer
+ name defaults.timer.sclass
+ }
+ }
+ @args.CARD {
+ type string
+ default {
+ @func refer
+ name defaults.timer.card
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func refer
+ name defaults.timer.device
+ }
+ }
+ @args.SUBDEV {
+ type integer
+ default {
+ @func refer
+ name defaults.timer.subdevice
+ }
+ }
+ type hw
+ class $CLASS
+ sclass $SCLASS
+ card $CARD
+ device $DEV
+ subdevice $SUBDEV
+}
diff --git a/src/conf/alsa.conf.d/Makefile.am b/src/conf/alsa.conf.d/Makefile.am
new file mode 100644
index 0000000..c91661e
--- /dev/null
+++ b/src/conf/alsa.conf.d/Makefile.am
@@ -0,0 +1,8 @@
+alsaconfigdir = @ALSA_CONFIG_DIR@
+alsadir = $(alsaconfigdir)/alsa.conf.d
+cfg_files = README
+
+alsa_DATA = $(cfg_files)
+
+EXTRA_DIST = \
+ $(cfg_files)
diff --git a/src/conf/alsa.conf.d/Makefile.in b/src/conf/alsa.conf.d/Makefile.in
new file mode 100644
index 0000000..eb3cafb
--- /dev/null
+++ b/src/conf/alsa.conf.d/Makefile.in
@@ -0,0 +1,467 @@
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+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+
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+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(DATA)
+installdirs:
+ for dir in "$(DESTDIR)$(alsadir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-alsaDATA
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-alsaDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+ distclean distclean-generic distclean-libtool distdir dvi \
+ dvi-am html html-am info info-am install install-alsaDATA \
+ install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-info install-info-am install-man \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ uninstall uninstall-alsaDATA uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/conf/alsa.conf.d/README b/src/conf/alsa.conf.d/README
new file mode 100644
index 0000000..9997884
--- /dev/null
+++ b/src/conf/alsa.conf.d/README
@@ -0,0 +1,2 @@
+You can place files named *.conf in this folder and they will be processed
+when initialising alsa-lib.
diff --git a/src/conf/cards/AACI.conf b/src/conf/cards/AACI.conf
new file mode 100644
index 0000000..748586a
--- /dev/null
+++ b/src/conf/cards/AACI.conf
@@ -0,0 +1,47 @@
+#
+# ALSA library configuration for ARM AACI Primecell PL-041
+#
+
+<confdir:pcm/front.conf>
+
+AACI.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/surround40.conf>
+
+AACI.pcm.surround40.0 "cards.AACI.pcm.front.0"
+
+<confdir:pcm/surround51.conf>
+
+AACI.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.AACI.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 6
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 0 channel 3 }
+ { slave 0 channel 4 }
+ { slave 0 channel 2 }
+ { slave 0 channel 5 }
+ ]
+}
diff --git a/src/conf/cards/ATIIXP-MODEM.conf b/src/conf/cards/ATIIXP-MODEM.conf
new file mode 100644
index 0000000..6e52af0
--- /dev/null
+++ b/src/conf/cards/ATIIXP-MODEM.conf
@@ -0,0 +1,22 @@
+#
+# Configuration for the ATI IXP 150/200/250 modem controllers
+#
+
+<confdir:pcm/modem.conf>
+
+ATIIXP-MODEM.pcm.modem.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.channels 2
+ slave.format S16_LE
+ ttable.0.1 1
+ ttable.1.0 0
+ hint.show off
+}
diff --git a/src/conf/cards/ATIIXP-SPDMA.conf b/src/conf/cards/ATIIXP-SPDMA.conf
new file mode 100644
index 0000000..42540d6
--- /dev/null
+++ b/src/conf/cards/ATIIXP-SPDMA.conf
@@ -0,0 +1,166 @@
+#
+# Configuration for the ATI IXP 150/200/250 chips
+#
+
+<confdir:pcm/front.conf>
+
+ATIIXP-SPDMA.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+ATIIXP.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+ATIIXP-SPDMA.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+ATIIXP-SPDMA.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+ATIIXP-SPDMA.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type iec958
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ format IEC958_SUBFRAME_LE
+ }
+ status [ $AES0 $AES1 $AES2 $AES3 ]
+}
diff --git a/src/conf/cards/ATIIXP.conf b/src/conf/cards/ATIIXP.conf
new file mode 100644
index 0000000..c4d33ef
--- /dev/null
+++ b/src/conf/cards/ATIIXP.conf
@@ -0,0 +1,185 @@
+#
+# Configuration for the ATI IXP 150/200/250 chips
+#
+
+<confdir:pcm/front.conf>
+
+ATIIXP.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+ATIIXP.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+ATIIXP.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+ATIIXP.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+ATIIXP.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 3
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/AU8810.conf b/src/conf/cards/AU8810.conf
new file mode 100644
index 0000000..24d46c3
--- /dev/null
+++ b/src/conf/cards/AU8810.conf
@@ -0,0 +1,38 @@
+#
+# Configuration for the AU8810 chip
+#
+
+<confdir:pcm/front.conf>
+
+AU8810.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/iec958.conf>
+
+AU8810.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hw
+ card $CARD
+ device 1
+}
diff --git a/src/conf/cards/AU8820.conf b/src/conf/cards/AU8820.conf
new file mode 100644
index 0000000..0789025
--- /dev/null
+++ b/src/conf/cards/AU8820.conf
@@ -0,0 +1,14 @@
+#
+# Configuration for the AU8820 chip
+#
+
+<confdir:pcm/front.conf>
+
+AU8820.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
diff --git a/src/conf/cards/AU8830.conf b/src/conf/cards/AU8830.conf
new file mode 100644
index 0000000..39e66d5
--- /dev/null
+++ b/src/conf/cards/AU8830.conf
@@ -0,0 +1,42 @@
+#
+# Configuration for the AU8830 chip
+#
+
+<confdir:pcm/front.conf>
+
+AU8830.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/surround40.conf>
+
+AU8830.pcm.surround40.0 "cards.AU8830.pcm.front.0"
+
+<confdir:pcm/iec958.conf>
+
+AU8830.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hw
+ card $CARD
+ device 1
+}
diff --git a/src/conf/cards/Audigy.conf b/src/conf/cards/Audigy.conf
new file mode 100644
index 0000000..1c92496
--- /dev/null
+++ b/src/conf/cards/Audigy.conf
@@ -0,0 +1,322 @@
+#
+# Configuration for the Audigy chip
+#
+
+<confdir:pcm/front.conf>
+
+Audigy.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FL,FR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 ]
+ }
+
+ ]
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+Audigy.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "RL,RR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 0 0 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 0 0 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 ]
+ }
+ ]
+ }
+}
+
+<confdir:pcm/center_lfe.conf>
+
+Audigy.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FC,LFE" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 ]
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround40.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+
+Audigy.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround51.conf>
+
+Audigy.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+Audigy.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Optical Raw Playback Switch"
+ lock true
+ preserve true
+ value [ 1 1 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 ]
+ }
+ {
+ name "Audigy Analog/Digital Output Jack"
+ lock true
+ preserve true
+ value 1
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/Audigy2.conf b/src/conf/cards/Audigy2.conf
new file mode 100644
index 0000000..cbec783
--- /dev/null
+++ b/src/conf/cards/Audigy2.conf
@@ -0,0 +1,430 @@
+#
+# Configuration for the Audigy2 chip
+#
+
+<confdir:pcm/front.conf>
+
+Audigy2.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FL,FR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 8 9 0 0 0 0 0 0 ]
+ }
+
+ ]
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+Audigy2.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "RL,RR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 0 0 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 0 0 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 ]
+ }
+ ]
+ }
+}
+
+<confdir:pcm/center_lfe.conf>
+
+Audigy2.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FC,LFE" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 6 7 0 0 0 0 0 0 ]
+ }
+ ]
+ }
+}
+
+<confdir:pcm/side.conf>
+
+Audigy2.pcm.side.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "SL,SR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 14 15 0 0 0 0 0 0 14 15 0 0 0 0 0 0 14 15 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 14 15 0 0 0 0 0 0 14 15 0 0 0 0 0 0 14 15 0 0 0 0 0 0 ]
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround40.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+
+Audigy2.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround51.conf>
+
+Audigy2.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround71.conf>
+
+Audigy2.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Audigy2.pcm.side.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ { slave 3 channel 0 }
+ { slave 3 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+Audigy2.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Optical Raw Playback Switch"
+ lock true
+ preserve true
+ value [ 1 1 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 255 255 0 0 0 0 0 0 255 0 0 0 0 0 0 0 0 255 0 0 0 0 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ lock true
+ optional true
+ value [ 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 20 21 0 0 0 0 0 0 ]
+ }
+ {
+ name "Audigy Analog/Digital Output Jack"
+ lock true
+ preserve true
+ value 1
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/Aureon51.conf b/src/conf/cards/Aureon51.conf
new file mode 100644
index 0000000..07be4a7
--- /dev/null
+++ b/src/conf/cards/Aureon51.conf
@@ -0,0 +1,180 @@
+#
+# Configuration for the Aureon51 (Envy24HT) chip
+#
+
+# default with dmix & dsnoop
+Aureon51.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+}
+
+<confdir:pcm/front.conf>
+
+Aureon51.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/rear.conf>
+
+Aureon51.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+ subdevice 1
+}
+
+<confdir:pcm/center_lfe.conf>
+
+Aureon51.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+}
+
+<confdir:pcm/side.conf>
+
+Aureon51.pcm.side.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+ subdevice 2
+}
+
+<confdir:pcm/surround40.conf>
+
+Aureon51.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ channels 4
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+Aureon51.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ channels 6
+}
+
+<confdir:pcm/iec958.conf>
+
+Aureon51.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type linear
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface MIXER
+ name "IEC958 Output Switch"
+ lock true
+ preserve true
+ value true
+ }
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ device 1
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+ }
+ slave.format S32_LE
+ }
+ capture.pcm {
+ type linear
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface MIXER
+ name "IEC958 Capture Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+ }
+ slave.format S32_LE
+ }
+}
diff --git a/src/conf/cards/Aureon71.conf b/src/conf/cards/Aureon71.conf
new file mode 100644
index 0000000..a43ce2c
--- /dev/null
+++ b/src/conf/cards/Aureon71.conf
@@ -0,0 +1,191 @@
+#
+# Configuration for the Aureon71 (Envy24HT) chip
+#
+
+# default with dmix & dsnoop
+Aureon71.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+}
+
+<confdir:pcm/front.conf>
+
+Aureon71.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/rear.conf>
+
+Aureon71.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+}
+
+<confdir:pcm/center_lfe.conf>
+
+Aureon71.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+ subdevice 1
+}
+
+<confdir:pcm/side.conf>
+
+Aureon71.pcm.side.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+ subdevice 2
+}
+
+<confdir:pcm/surround40.conf>
+
+Aureon71.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ channels 4
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+Aureon71.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ channels 6
+}
+
+<confdir:pcm/surround71.conf>
+
+Aureon71.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/iec958.conf>
+
+Aureon71.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type linear
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface MIXER
+ name "IEC958 Output Switch"
+ lock true
+ preserve true
+ value true
+ }
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ device 1
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+ }
+ slave.format S32_LE
+ }
+ capture.pcm {
+ type linear
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface MIXER
+ name "IEC958 Capture Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+ }
+ slave.format S32_LE
+ }
+}
diff --git a/src/conf/cards/CA0106.conf b/src/conf/cards/CA0106.conf
new file mode 100644
index 0000000..2f0eaf0
--- /dev/null
+++ b/src/conf/cards/CA0106.conf
@@ -0,0 +1,281 @@
+#
+# Configuration for the CA0106 chip
+#
+
+# default with dmix & dsnoop
+CA0106.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/front.conf>
+
+CA0106.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/rear.conf>
+
+CA0106.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+}
+
+<confdir:pcm/center_lfe.conf>
+
+CA0106.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+}
+
+<confdir:pcm/side.conf>
+
+CA0106.pcm.side.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 3
+}
+
+<confdir:pcm/surround40.conf>
+
+CA0106.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+<confdir:pcm/surround71.conf>
+
+CA0106.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+CA0106.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CA0106.pcm.side.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ { slave 3 channel 0 }
+ { slave 3 channel 1 }
+ ]
+}
+
+
+
+
+<confdir:pcm/iec958.conf>
+
+CA0106.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Front Playback Volume"
+ index 0
+ lock true
+ preserve true
+ value [ 207 207 ] # Puts 0x30303030 in the Volume register. 0xff - 0x30 = 0xcf = 207
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value 1
+ }
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ index 1
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ index 1
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/CMI8338-SWIEC.conf b/src/conf/cards/CMI8338-SWIEC.conf
new file mode 100644
index 0000000..af3a579
--- /dev/null
+++ b/src/conf/cards/CMI8338-SWIEC.conf
@@ -0,0 +1,129 @@
+#
+# Configuration for the CMI8338/8738 chip (w/o multi-channel support)
+# using software IEC958 subframe conversion
+#
+
+<confdir:pcm/front.conf>
+
+CMI8338-SWIEC.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+CMI8338-SWIEC.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+# 2nd DAC
+# FIXME: we need a volume attenuator for rear channel.
+CMI8338-SWIEC.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+}
+
+<confdir:pcm/surround40.conf>
+
+# for the old CM8738 with 2nd DAC for rear
+CMI8338-SWIEC.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ master 1
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CMI8338-SWIEC.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CMI8338-SWIEC.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+CMI8338-SWIEC.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type iec958
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ status [ $AES0 $AES1 $AES2 $AES3 ]
+ preamble.z 3
+ preamble.y 5
+ preamble.x 9
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+}
diff --git a/src/conf/cards/CMI8338.conf b/src/conf/cards/CMI8338.conf
new file mode 100644
index 0000000..144fc9b
--- /dev/null
+++ b/src/conf/cards/CMI8338.conf
@@ -0,0 +1,143 @@
+#
+# Configuration for the CMI8338/8738 chip (w/o multi-channel support)
+#
+
+<confdir:pcm/front.conf>
+
+CMI8338.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+CMI8338.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+# 2nd DAC
+# FIXME: we need a volume attenuator for rear channel.
+CMI8338.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+}
+
+<confdir:pcm/surround40.conf>
+
+# for the old CM8738 with 2nd DAC for rear
+CMI8338.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ master 1
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CMI8338.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CMI8338.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+CMI8338.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ device 2
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Loop"
+ lock true
+ preserve true
+ value off
+ }
+ ]
+ }
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+}
diff --git a/src/conf/cards/CMI8738-MC6.conf b/src/conf/cards/CMI8738-MC6.conf
new file mode 100644
index 0000000..edc67d4
--- /dev/null
+++ b/src/conf/cards/CMI8738-MC6.conf
@@ -0,0 +1,162 @@
+#
+# Configuration for the CMI8738 chip with 4/6 multi-channel support
+#
+
+<confdir:pcm/front.conf>
+
+CMI8738-MC6.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+CMI8738-MC6.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+# 2nd DAC
+# FIXME: we need a volume attenuator for rear channel.
+CMI8738-MC6.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+}
+
+<confdir:pcm/surround40.conf>
+
+CMI8738-MC6.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Four Channel Mode"
+ lock true
+ preserve true
+ value false
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+CMI8738-MC6.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Four Channel Mode"
+ lock true
+ preserve true
+ value false
+ }
+ ]
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+CMI8738-MC6.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ device 2
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Loop"
+ lock true
+ preserve true
+ value off
+ }
+ ]
+ }
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+}
diff --git a/src/conf/cards/CMI8738-MC8.conf b/src/conf/cards/CMI8738-MC8.conf
new file mode 100644
index 0000000..ddff753
--- /dev/null
+++ b/src/conf/cards/CMI8738-MC8.conf
@@ -0,0 +1,231 @@
+#
+# Configuration for the CMI8768 chip with 8 multi-channel support
+#
+
+<confdir:pcm/front.conf>
+
+CMI8738-MC8.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol & dsnoop
+CMI8738-MC8.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+# 2nd DAC
+CMI8738-MC8.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+CMI8738-MC8.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Four Channel Mode"
+ lock true
+ preserve true
+ value false
+ }
+ ]
+ }
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+CMI8738-MC8.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Four Channel Mode"
+ lock true
+ preserve true
+ value false
+ }
+ ]
+ }
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/surround71.conf>
+
+CMI8738-MC8.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 8
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Four Channel Mode"
+ lock true
+ preserve true
+ value false
+ }
+ ]
+ }
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+CMI8738-MC8.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ device 2
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Loop"
+ lock true
+ preserve true
+ value off
+ }
+ ]
+ }
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+}
diff --git a/src/conf/cards/CMI8788.conf b/src/conf/cards/CMI8788.conf
new file mode 100644
index 0000000..edcb0c9
--- /dev/null
+++ b/src/conf/cards/CMI8788.conf
@@ -0,0 +1,126 @@
+#
+# Configuration for the CMI8788 chip
+#
+
+<confdir:pcm/front.conf>
+
+CMI8788.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix & dsnoop
+CMI8788.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+CMI8788.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ channels 4
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+CMI8788.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ channels 6
+}
+
+<confdir:pcm/surround71.conf>
+
+CMI8788.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ channels 8
+}
+
+<confdir:pcm/iec958.conf>
+
+CMI8788.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ device 1
+ name "IEC958 Playback PCM Stream"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+}
+
+# vim: ft=alsaconf
diff --git a/src/conf/cards/CS46xx.conf b/src/conf/cards/CS46xx.conf
new file mode 100644
index 0000000..b71c30a
--- /dev/null
+++ b/src/conf/cards/CS46xx.conf
@@ -0,0 +1,219 @@
+#
+# Configuration for the CS46xx chip
+#
+
+<confdir:pcm/front.conf>
+
+CS46xx.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with plughw
+# CS46xx supports multi-playback
+CS46xx.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "hw:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "hw:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+CS46xx.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Duplicate Front"
+ lock true
+ preserve true
+ value 0
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/center_lfe.conf>
+
+CS46xx.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 3
+}
+
+<confdir:pcm/surround40.conf>
+
+CS46xx.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CS46xx.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CS46xx.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+CS46xx.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CS46xx.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CS46xx.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.CS46xx.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+CS46xx.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Output Switch"
+ lock true
+ preserve true
+ value 1
+ }
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ device 2
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/EMU10K1.conf b/src/conf/cards/EMU10K1.conf
new file mode 100644
index 0000000..ef193fe
--- /dev/null
+++ b/src/conf/cards/EMU10K1.conf
@@ -0,0 +1,329 @@
+#
+# Configuration for the EMU10K1 chip
+#
+
+<confdir:pcm/front.conf>
+
+EMU10K1.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FL,FR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 255 255 0 0 255 0 0 0 0 255 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 255 255 0 0 255 0 0 0 0 255 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 8 9 0 0 8 9 0 0 8 9 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 8 9 0 0 8 9 0 0 8 9 0 0 ]
+ }
+ ]
+ }
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+EMU10K1.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "RL,RR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 0 0 255 255 0 0 255 0 0 0 0 255 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 0 0 255 255 0 0 255 0 0 0 0 255 ]
+ }
+ ]
+ }
+ }
+}
+
+<confdir:pcm/center_lfe.conf>
+
+EMU10K1.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FC,LFE" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Headphone Center Playback Switch"
+ index 1
+ preserve true
+ # lock true
+ optional true
+ value true
+ }
+ {
+ name "Headphone LFE Playback Switch"
+ index 1
+ preserve true
+ # lock true
+ optional true
+ value true
+ }
+# if you have a creative's digital receiver, you can get surround/center/lfe
+# output through the digital jack. so, the following is commented out.
+# pay attention in case of analog output from the shared center/digital
+# jack!
+# {
+# name "SB Live Analog/Digital Output Jack"
+# preserve true
+# lock true
+# value 0
+# }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 255 255 0 0 255 0 0 0 0 255 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 255 255 0 0 255 0 0 0 0 255 0 0 ]
+ }
+ {
+ interface PCM
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 6 7 0 0 6 7 0 0 6 7 0 0 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "EMU10K1 PCM Send Routing"
+ index { @func private_pcm_subdevice }
+ # lock true
+ optional true
+ value [ 6 7 0 0 6 7 0 0 6 7 0 0 ]
+ }
+ ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+EMU10K1.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+EMU10K1.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+EMU10K1.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ device 2
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Optical Raw Playback Switch"
+ lock true
+ preserve true
+ value [ 1 1 ]
+ }
+ {
+ name "SB Live Analog/Digital Output Jack"
+ lock true
+ preserve true
+ value 1
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/EMU10K1X.conf b/src/conf/cards/EMU10K1X.conf
new file mode 100644
index 0000000..f742863
--- /dev/null
+++ b/src/conf/cards/EMU10K1X.conf
@@ -0,0 +1,202 @@
+#
+# Configuration for the EMU10K1X chip
+#
+
+# default with dmix & dsnoop
+EMU10K1X.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/front.conf>
+
+EMU10K1X.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/rear.conf>
+
+EMU10K1X.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+}
+
+<confdir:pcm/center_lfe.conf>
+
+EMU10K1X.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+}
+
+<confdir:pcm/surround40.conf>
+
+EMU10K1X.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1X.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1X.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+EMU10K1X.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1X.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1X.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.EMU10K1X.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+EMU10K1X.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Analog/Digital Output Jack"
+ lock true
+ preserve true
+ value 0
+ }
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ index 0
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ index 0
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/ENS1370.conf b/src/conf/cards/ENS1370.conf
new file mode 100644
index 0000000..32e4782
--- /dev/null
+++ b/src/conf/cards/ENS1370.conf
@@ -0,0 +1,107 @@
+#
+# Configuration for the ENS1370 chip
+#
+
+<confdir:pcm/front.conf>
+
+ENS1370.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+}
+
+# default with dmix/dsnoop
+ENS1370.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+ENS1370.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface CARD
+ name "PCM 0 Output also on Line-In Jack"
+ preserve true
+ lock true
+ value true
+ }
+ {
+ name "PCM Switch"
+ preserve true
+ lock true
+ value [ false false ]
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+ENS1370.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ master 1
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.ENS1370.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.ENS1370.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
diff --git a/src/conf/cards/ENS1371.conf b/src/conf/cards/ENS1371.conf
new file mode 100644
index 0000000..a6df425
--- /dev/null
+++ b/src/conf/cards/ENS1371.conf
@@ -0,0 +1,134 @@
+#
+# Configuration for the ENS1370 chip
+#
+
+<confdir:pcm/front.conf>
+
+ENS1371.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+ENS1371.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/rear.conf>
+
+ENS1371.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface MIXER
+ name "AC97 2ch->4ch Copy Switch"
+ lock true
+ preserve true
+ value 0
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+ENS1371.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [ "cards.ENS1371.pcm.front.0:CARD=" $CARD ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [ "cards.ENS1371.pcm.rear.0:CARD=" $CARD ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+ENS1371.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/ES1968.conf b/src/conf/cards/ES1968.conf
new file mode 100644
index 0000000..a6ee119
--- /dev/null
+++ b/src/conf/cards/ES1968.conf
@@ -0,0 +1,12 @@
+# configuration for ESS Maestro2
+
+<confdir:pcm/front.conf>
+
+ES1968.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
diff --git a/src/conf/cards/Echo_Echo3G.conf b/src/conf/cards/Echo_Echo3G.conf
new file mode 100644
index 0000000..766f13f
--- /dev/null
+++ b/src/conf/cards/Echo_Echo3G.conf
@@ -0,0 +1,318 @@
+#
+# Configuration for the Echo3G driver
+#
+
+<confdir:pcm/front.conf>
+Echo_Echo3G.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 0
+ subdevice 0
+}
+
+<confdir:pcm/rear.conf>
+Echo_Echo3G.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 0
+ subdevice 4
+}
+
+<confdir:pcm/center_lfe.conf>
+Echo_Echo3G.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 0
+ subdevice 2
+}
+
+<confdir:pcm/side.conf>
+Echo_Echo3G.pcm.side.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 0
+ subdevice 6
+}
+
+<confdir:pcm/surround40.conf>
+Echo_Echo3G.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround41.conf>
+Echo_Echo3G.pcm.surround41.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ ]
+}
+
+<confdir:pcm/surround50.conf>
+Echo_Echo3G.pcm.surround50.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround51.conf>
+Echo_Echo3G.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround71.conf>
+Echo_Echo3G.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.center_lfe.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.Echo_Echo3G.pcm.side.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ { slave 3 channel 0 }
+ { slave 3 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+Echo_Echo3G.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/FM801.conf b/src/conf/cards/FM801.conf
new file mode 100644
index 0000000..0ddf799
--- /dev/null
+++ b/src/conf/cards/FM801.conf
@@ -0,0 +1,88 @@
+#
+# Configuration for the FM801 chip
+#
+
+<confdir:pcm/front.conf>
+
+FM801.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+FM801.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+FM801.pcm.surround40.0 "cards.FM801.pcm.front.0"
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+FM801.pcm.surround51.0 "cards.FM801.pcm.front.0"
+
+<confdir:pcm/iec958.conf>
+
+FM801.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ # {
+ # name "IEC958 Playback Default"
+ # value [ $AES0 $AES1 $AES2 $AES3 ]
+ # }
+ {
+ name "IEC958 Raw Data Playback Switch"
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/FWSpeakers.conf b/src/conf/cards/FWSpeakers.conf
new file mode 100644
index 0000000..cd6fa60
--- /dev/null
+++ b/src/conf/cards/FWSpeakers.conf
@@ -0,0 +1,26 @@
+#
+# Configuration for the LaCie Firewire speakers
+#
+
+FWSpeakers.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ",FORMAT=S32" ]
+ }
+}
+
+<confdir:pcm/front.conf>
+
+FWSpeakers.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
diff --git a/src/conf/cards/FireWave.conf b/src/conf/cards/FireWave.conf
new file mode 100644
index 0000000..fcfc83c
--- /dev/null
+++ b/src/conf/cards/FireWave.conf
@@ -0,0 +1,51 @@
+#
+# Configuration for the Griffin FireWave Surround
+#
+
+FireWave.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ",FORMAT=S32" ]
+ }
+}
+
+<confdir:pcm/front.conf>
+
+FireWave.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+FireWave.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable [
+ [ 1 0 0 0 0 0 ]
+ [ 0 1 0 0 0 0 ]
+ [ 0 0 0 0 1 0 ]
+ [ 0 0 0 0 0 1 ]
+ [ 0 0 1 0 0 0 ]
+ [ 0 0 0 1 0 0 ]
+ ]
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+}
diff --git a/src/conf/cards/GUS.conf b/src/conf/cards/GUS.conf
new file mode 100644
index 0000000..d744c54
--- /dev/null
+++ b/src/conf/cards/GUS.conf
@@ -0,0 +1,19 @@
+#
+# Configuration for the GUS soundcards
+#
+
+<confdir:pcm/front.conf>
+
+GUS.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+}
diff --git a/src/conf/cards/HDA-Intel.conf b/src/conf/cards/HDA-Intel.conf
new file mode 100644
index 0000000..fa9f694
--- /dev/null
+++ b/src/conf/cards/HDA-Intel.conf
@@ -0,0 +1,412 @@
+#
+# Configuration for the Intel HD audio (ICH6/ICH7)
+#
+
+<confdir:pcm/front.conf>
+
+HDA-Intel.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ subdevice 0
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ }
+}
+
+# default with dmix+softvol & dsnoop
+HDA-Intel.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ control {
+ name "Digital Capture Volume"
+ card $CARD
+ }
+ min_dB -30.0
+ max_dB 30.0
+ resolution 121
+ }
+ # to avoid possible phase inversions with digital mics
+ route_policy copy
+ }
+ hint.device 0
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround40.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+<confdir:pcm/surround71.conf>
+
+HDA-Intel.pcm.surround40.0 cards.HDA-Intel.pcm.front.0
+HDA-Intel.pcm.surround51.0 cards.HDA-Intel.pcm.front.0
+HDA-Intel.pcm.surround71.0 cards.HDA-Intel.pcm.front.0
+
+<confdir:pcm/iec958.conf>
+
+HDA-Intel.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback Default"
+ index 16
+ optional true
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ index 16
+ optional true
+ value true
+ # if this element is present, skip the rest
+ skip_rest true
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ value true
+ }
+ ]
+ }
+ }
+ capture.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Capture Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+ }
+ hint.device 1
+}
+
+<confdir:pcm/hdmi.conf>
+
+HDA-Intel.pcm.hdmi.common {
+ @args [ CARD DEVICE CTLINDEX AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.DEVICE {
+ type integer
+ }
+ @args.CTLINDEX {
+ type integer
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device $DEVICE
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback Default"
+ index $CTLINDEX
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ index $CTLINDEX
+ value true
+ }
+ ]
+ }
+ hint.device $DEVICE
+}
+
+HDA-Intel.pcm.hdmi.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=3,"
+ "CTLINDEX=0,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+HDA-Intel.pcm.hdmi.1 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=7,"
+ "CTLINDEX=1,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+HDA-Intel.pcm.hdmi.2 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=8,"
+ "CTLINDEX=2,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+HDA-Intel.pcm.hdmi.3 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=9,"
+ "CTLINDEX=3,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+HDA-Intel.pcm.hdmi.4 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=10,"
+ "CTLINDEX=4,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+HDA-Intel.pcm.hdmi.5 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=11,"
+ "CTLINDEX=5,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+HDA-Intel.pcm.hdmi.6 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=12,"
+ "CTLINDEX=6,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+HDA-Intel.pcm.hdmi.7 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.HDA-Intel.pcm.hdmi.common:"
+ "CARD=" $CARD ","
+ "DEVICE=13,"
+ "CTLINDEX=7,"
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+}
+
+<confdir:pcm/modem.conf>
+
+HDA-Intel.pcm.modem.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 6
+ hint.show off
+}
diff --git a/src/conf/cards/ICE1712.conf b/src/conf/cards/ICE1712.conf
new file mode 100644
index 0000000..db62684
--- /dev/null
+++ b/src/conf/cards/ICE1712.conf
@@ -0,0 +1,180 @@
+#
+# Configuration for the ICE1712 (Envy24) chip
+#
+
+# default with dmix & dsnoop
+ICE1712.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+}
+
+<confdir:pcm/front.conf>
+
+ICE1712.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.channels 10
+ }
+ capture.pcm {
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.channels 12
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+ICE1712.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.2 1
+ ttable.3.3 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.channels 10
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+<confdir:pcm/surround71.conf>
+
+ICE1712.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.2 1
+ ttable.3.3 1
+ ttable.4.4 1
+ ttable.5.5 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.channels 10
+}
+
+ICE1712.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.2 1
+ ttable.3.3 1
+ ttable.4.4 1
+ ttable.5.5 1
+ ttable.6.6 1
+ ttable.7.7 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.channels 10
+}
+
+<confdir:pcm/iec958.conf>
+
+ICE1712.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type route
+ ttable.0.8 1
+ ttable.1.9 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.format S32_LE
+ slave.channels 10
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+ }
+ capture.pcm {
+ type route
+ ttable.0.8 1
+ ttable.1.9 1
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ slave.format S32_LE
+ slave.channels 12
+ }
+}
diff --git a/src/conf/cards/ICE1724.conf b/src/conf/cards/ICE1724.conf
new file mode 100644
index 0000000..61cac01
--- /dev/null
+++ b/src/conf/cards/ICE1724.conf
@@ -0,0 +1,225 @@
+#
+# Configuration for the ICE1724 (Envy24HT) chip
+#
+
+# default with dmix & dsnoop
+ICE1724.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ",FORMAT=S32_LE" ]
+ }
+ }
+}
+
+<confdir:pcm/front.conf>
+
+ICE1724.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/rear.conf>
+
+ICE1724.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+ subdevice 1
+}
+
+<confdir:pcm/center_lfe.conf>
+
+ICE1724.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+}
+
+<confdir:pcm/side.conf>
+
+ICE1724.pcm.side.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+ subdevice 2
+}
+
+<confdir:pcm/surround40.conf>
+
+ICE1724.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ slave {
+ channels 6
+ pcm {
+ type hw
+ card $CARD
+ }
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+ICE1724.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ slave {
+ channels 6
+ pcm {
+ type hw
+ card $CARD
+ }
+ }
+}
+
+<confdir:pcm/surround71.conf>
+
+ICE1724.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ ttable.6.6 1
+ ttable.7.7 1
+ slave {
+ channels 8
+ pcm {
+ type hw
+ card $CARD
+ }
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+ICE1724.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type linear
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface MIXER
+ name "IEC958 Output Switch"
+ lock true
+ preserve true
+ value true
+ }
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ device 1
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+ }
+ slave.format S32_LE
+ }
+ capture.pcm {
+ type linear
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface MIXER
+ name "IEC958 Capture Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+ }
+ slave.format S32_LE
+ }
+}
diff --git a/src/conf/cards/ICH-MODEM.conf b/src/conf/cards/ICH-MODEM.conf
new file mode 100644
index 0000000..b96b5aa
--- /dev/null
+++ b/src/conf/cards/ICH-MODEM.conf
@@ -0,0 +1,15 @@
+#
+# Configuration for the Intel/AMD modem controllers
+#
+
+<confdir:pcm/modem.conf>
+
+ICH-MODEM.pcm.modem.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ hint.show off
+}
diff --git a/src/conf/cards/ICH.conf b/src/conf/cards/ICH.conf
new file mode 100644
index 0000000..6fc9a5a
--- /dev/null
+++ b/src/conf/cards/ICH.conf
@@ -0,0 +1,223 @@
+#
+# Configuration for the Intel ICH/ICH2/ICH3 chips
+#
+
+<confdir:pcm/front.conf>
+
+ICH.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol & dsnoop
+ICH.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+ICH.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+ICH.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ slave.channels 6
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+ICH.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 0
+ optional true
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/ICH4.conf b/src/conf/cards/ICH4.conf
new file mode 100644
index 0000000..64ec883
--- /dev/null
+++ b/src/conf/cards/ICH4.conf
@@ -0,0 +1,214 @@
+#
+# Configuration for the Intel ICH4/ICH5/ICH6 chips
+#
+
+<confdir:pcm/front.conf>
+
+ICH4.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol & dsnoop
+ICH4.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+ICH4.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+ICH4.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+ICH4.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 3
+ optional true
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/Loopback.conf b/src/conf/cards/Loopback.conf
new file mode 100644
index 0000000..1ae6d45
--- /dev/null
+++ b/src/conf/cards/Loopback.conf
@@ -0,0 +1,75 @@
+#
+# Configuration for the virtual loopback driver (snd-aloop)
+#
+
+<confdir:pcm/front.conf>
+
+Loopback.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol & dsnoop
+Loopback.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ control {
+ name "Digital Capture Volume"
+ card $CARD
+ }
+ min_dB -30.0
+ max_dB 30.0
+ resolution 121
+ }
+ # to avoid possible phase inversions with digital mics
+ route_policy copy
+ }
+ hint.device 0
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround40.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+<confdir:pcm/surround71.conf>
+
+Loopback.pcm.surround40.0 cards.Loopback.pcm.front.0
+Loopback.pcm.surround51.0 cards.Loopback.pcm.front.0
+Loopback.pcm.surround71.0 cards.Loopback.pcm.front.0
diff --git a/src/conf/cards/Maestro3.conf b/src/conf/cards/Maestro3.conf
new file mode 100644
index 0000000..9432322
--- /dev/null
+++ b/src/conf/cards/Maestro3.conf
@@ -0,0 +1,38 @@
+# configuration for ESS Maestro3
+
+<confdir:pcm/front.conf>
+
+Maestro3.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+Maestro3.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ # we need to specify device and subdevice numbers
+ # for a device with multiple substreams
+ @func concat
+ strings [ "dmix:" $CARD ",0,0" ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
diff --git a/src/conf/cards/Makefile.am b/src/conf/cards/Makefile.am
new file mode 100644
index 0000000..008d399
--- /dev/null
+++ b/src/conf/cards/Makefile.am
@@ -0,0 +1,78 @@
+alsaconfigdir = @ALSA_CONFIG_DIR@
+alsadir = $(alsaconfigdir)/cards
+cfg_files = aliases.conf \
+ AACI.conf \
+ ATIIXP.conf \
+ ATIIXP-SPDMA.conf \
+ ATIIXP-MODEM.conf \
+ AU8810.conf \
+ AU8820.conf \
+ AU8830.conf \
+ Audigy.conf \
+ Audigy2.conf \
+ Aureon51.conf \
+ Aureon71.conf \
+ CA0106.conf \
+ CMI8338.conf \
+ CMI8338-SWIEC.conf \
+ CMI8738-MC6.conf \
+ CMI8738-MC8.conf \
+ CMI8788.conf \
+ CS46xx.conf \
+ Echo_Echo3G.conf \
+ EMU10K1.conf \
+ EMU10K1X.conf \
+ ENS1370.conf \
+ ENS1371.conf \
+ ES1968.conf \
+ FM801.conf \
+ FWSpeakers.conf \
+ FireWave.conf \
+ GUS.conf \
+ HDA-Intel.conf \
+ ICE1712.conf \
+ ICE1724.conf \
+ ICH.conf \
+ ICH4.conf \
+ ICH-MODEM.conf \
+ Loopback.conf \
+ Maestro3.conf \
+ NFORCE.conf \
+ PC-Speaker.conf \
+ PMac.conf \
+ PMacToonie.conf \
+ PS3.conf \
+ RME9636.conf \
+ RME9652.conf \
+ SI7018.conf \
+ SB-XFi.conf \
+ TRID4DWAVENX.conf \
+ USB-Audio.conf \
+ YMF744.conf \
+ VIA686A.conf \
+ VIA8233.conf \
+ VIA8233A.conf \
+ VIA8237.conf \
+ VX222.conf \
+ VXPocket.conf \
+ VXPocket440.conf
+
+if BUILD_ALISP
+cfg_files += aliases.alisp
+endif
+
+alsa_DATA = $(cfg_files)
+
+if BUILD_ALISP
+SI7018dir = $(alsaconfigdir)/cards/SI7018
+SI7018_files = \
+ SI7018/sndoc-mixer.alisp \
+ SI7018/sndop-mixer.alisp
+SI7018_DATA = $(SI7018_files)
+else
+SI7018_files=
+endif
+
+EXTRA_DIST = \
+ $(cfg_files) \
+ $(SI7018_files)
diff --git a/src/conf/cards/Makefile.in b/src/conf/cards/Makefile.in
new file mode 100644
index 0000000..8587ab2
--- /dev/null
+++ b/src/conf/cards/Makefile.in
@@ -0,0 +1,511 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
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+PACKAGE_NAME = @PACKAGE_NAME@
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+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PYTHON_INCLUDES = @PYTHON_INCLUDES@
+PYTHON_LIBS = @PYTHON_LIBS@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SND_LIB_EXTRAVER = @SND_LIB_EXTRAVER@
+SND_LIB_MAJOR = @SND_LIB_MAJOR@
+SND_LIB_MINOR = @SND_LIB_MINOR@
+SND_LIB_SUBMINOR = @SND_LIB_SUBMINOR@
+SND_LIB_VERSION = @SND_LIB_VERSION@
+STRIP = @STRIP@
+SYMBOL_PREFIX = @SYMBOL_PREFIX@
+VERSION = @VERSION@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
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+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
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+build_alias = @build_alias@
+build_cpu = @build_cpu@
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+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
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+infodir = @infodir@
+install_sh = @install_sh@
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+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+alsaconfigdir = @ALSA_CONFIG_DIR@
+alsadir = $(alsaconfigdir)/cards
+cfg_files = aliases.conf AACI.conf ATIIXP.conf ATIIXP-SPDMA.conf \
+ ATIIXP-MODEM.conf AU8810.conf AU8820.conf AU8830.conf \
+ Audigy.conf Audigy2.conf Aureon51.conf Aureon71.conf \
+ CA0106.conf CMI8338.conf CMI8338-SWIEC.conf CMI8738-MC6.conf \
+ CMI8738-MC8.conf CMI8788.conf CS46xx.conf Echo_Echo3G.conf \
+ EMU10K1.conf EMU10K1X.conf ENS1370.conf ENS1371.conf \
+ ES1968.conf FM801.conf FWSpeakers.conf FireWave.conf GUS.conf \
+ HDA-Intel.conf ICE1712.conf ICE1724.conf ICH.conf ICH4.conf \
+ ICH-MODEM.conf Loopback.conf Maestro3.conf NFORCE.conf \
+ PC-Speaker.conf PMac.conf PMacToonie.conf PS3.conf \
+ RME9636.conf RME9652.conf SI7018.conf SB-XFi.conf \
+ TRID4DWAVENX.conf USB-Audio.conf YMF744.conf VIA686A.conf \
+ VIA8233.conf VIA8233A.conf VIA8237.conf VX222.conf \
+ VXPocket.conf VXPocket440.conf $(am__append_1)
+alsa_DATA = $(cfg_files)
+@BUILD_ALISP_TRUE@SI7018dir = $(alsaconfigdir)/cards/SI7018
+@BUILD_ALISP_FALSE@SI7018_files =
+@BUILD_ALISP_TRUE@SI7018_files = \
+@BUILD_ALISP_TRUE@ SI7018/sndoc-mixer.alisp \
+@BUILD_ALISP_TRUE@ SI7018/sndop-mixer.alisp
+
+@BUILD_ALISP_TRUE@SI7018_DATA = $(SI7018_files)
+EXTRA_DIST = \
+ $(cfg_files) \
+ $(SI7018_files)
+
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/conf/cards/Makefile'; \
+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/conf/cards/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
+ echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+ cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+ esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+install-SI7018DATA: $(SI7018_DATA)
+ @$(NORMAL_INSTALL)
+ @list='$(SI7018_DATA)'; test -n "$(SI7018dir)" || list=; \
+ if test -n "$$list"; then \
+ echo " $(MKDIR_P) '$(DESTDIR)$(SI7018dir)'"; \
+ $(MKDIR_P) "$(DESTDIR)$(SI7018dir)" || exit 1; \
+ fi; \
+ for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ echo "$$d$$p"; \
+ done | $(am__base_list) | \
+ while read files; do \
+ echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(SI7018dir)'"; \
+ $(INSTALL_DATA) $$files "$(DESTDIR)$(SI7018dir)" || exit $$?; \
+ done
+
+uninstall-SI7018DATA:
+ @$(NORMAL_UNINSTALL)
+ @list='$(SI7018_DATA)'; test -n "$(SI7018dir)" || list=; \
+ files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+ dir='$(DESTDIR)$(SI7018dir)'; $(am__uninstall_files_from_dir)
+install-alsaDATA: $(alsa_DATA)
+ @$(NORMAL_INSTALL)
+ @list='$(alsa_DATA)'; test -n "$(alsadir)" || list=; \
+ if test -n "$$list"; then \
+ echo " $(MKDIR_P) '$(DESTDIR)$(alsadir)'"; \
+ $(MKDIR_P) "$(DESTDIR)$(alsadir)" || exit 1; \
+ fi; \
+ for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ echo "$$d$$p"; \
+ done | $(am__base_list) | \
+ while read files; do \
+ echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(alsadir)'"; \
+ $(INSTALL_DATA) $$files "$(DESTDIR)$(alsadir)" || exit $$?; \
+ done
+
+uninstall-alsaDATA:
+ @$(NORMAL_UNINSTALL)
+ @list='$(alsa_DATA)'; test -n "$(alsadir)" || list=; \
+ files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+ dir='$(DESTDIR)$(alsadir)'; $(am__uninstall_files_from_dir)
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+cscope cscopelist:
+
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(DATA)
+installdirs:
+ for dir in "$(DESTDIR)$(SI7018dir)" "$(DESTDIR)$(alsadir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-SI7018DATA install-alsaDATA
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-SI7018DATA uninstall-alsaDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+ distclean distclean-generic distclean-libtool distdir dvi \
+ dvi-am html html-am info info-am install install-SI7018DATA \
+ install-alsaDATA install-am install-data install-data-am \
+ install-dvi install-dvi-am install-exec install-exec-am \
+ install-html install-html-am install-info install-info-am \
+ install-man install-pdf install-pdf-am install-ps \
+ install-ps-am install-strip installcheck installcheck-am \
+ installdirs maintainer-clean maintainer-clean-generic \
+ mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
+ ps ps-am uninstall uninstall-SI7018DATA uninstall-alsaDATA \
+ uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/conf/cards/NFORCE.conf b/src/conf/cards/NFORCE.conf
new file mode 100644
index 0000000..64d1547
--- /dev/null
+++ b/src/conf/cards/NFORCE.conf
@@ -0,0 +1,296 @@
+#
+# Configuration for the nVIDIA nForce/2/3
+#
+
+<confdir:pcm/front.conf>
+
+NFORCE.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol & dsnoop
+NFORCE.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+NFORCE.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+NFORCE.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ slave.channels 6
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/surround71.conf>
+
+NFORCE.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ ttable.6.6 1
+ ttable.7.7 1
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "8ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ slave.channels 8
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+NFORCE.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 0
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/PC-Speaker.conf b/src/conf/cards/PC-Speaker.conf
new file mode 100644
index 0000000..c82654d
--- /dev/null
+++ b/src/conf/cards/PC-Speaker.conf
@@ -0,0 +1,52 @@
+#
+# Configuration for PC-Speaker driver
+#
+
+<confdir:pcm/front.conf>
+
+PC-Speaker.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "Master Playback Volume"
+ card $CARD
+ }
+ min_dB -10.0
+ max_dB 20.0
+}
+
+# default with dmix & null
+PC-Speaker.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ control {
+ name "Master Playback Volume"
+ card $CARD
+ }
+ min_dB -10.0
+ max_dB 20.0
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ }
+ capture.pcm {
+ type null
+ }
+}
+
diff --git a/src/conf/cards/PMac.conf b/src/conf/cards/PMac.conf
new file mode 100644
index 0000000..d1fdb17
--- /dev/null
+++ b/src/conf/cards/PMac.conf
@@ -0,0 +1,37 @@
+#
+# Configuration for PMac
+#
+
+<confdir:pcm/front.conf>
+
+PMac.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+PMac.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:CARD=" $CARD ",FORMAT=S16_BE" ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:CARD=" $CARD ",FORMAT=S16_BE" ]
+ }
+ }
+}
diff --git a/src/conf/cards/PMacToonie.conf b/src/conf/cards/PMacToonie.conf
new file mode 100644
index 0000000..1e0eb59
--- /dev/null
+++ b/src/conf/cards/PMacToonie.conf
@@ -0,0 +1,51 @@
+#
+# Configuration for PMac Toonie
+#
+
+<confdir:pcm/front.conf>
+
+PMacToonie.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol & dsnoop
+PMacToonie.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:CARD=" $CARD ",FORMAT=S16_BE" ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:CARD=" $CARD ",FORMAT=S16_BE" ]
+ }
+ }
+}
diff --git a/src/conf/cards/PS3.conf b/src/conf/cards/PS3.conf
new file mode 100644
index 0000000..b642f0d
--- /dev/null
+++ b/src/conf/cards/PS3.conf
@@ -0,0 +1,85 @@
+#
+# Configuration for PS3
+#
+
+<confdir:pcm/front.conf>
+
+PS3.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol
+PS3.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ #strings [ "dmix:CARD=" $CARD ]
+ strings [ "dmix:CARD=" $CARD ",FORMAT=S16" ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+PS3.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/RME9636.conf b/src/conf/cards/RME9636.conf
new file mode 100644
index 0000000..e8dc5fa
--- /dev/null
+++ b/src/conf/cards/RME9636.conf
@@ -0,0 +1,61 @@
+#
+# Configuration for the RME9636
+#
+
+<confdir:pcm/front.conf>
+
+RME9636.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# FIXME: This configuration is not valid for double-speed rates.
+
+<confdir:pcm/iec958.conf>
+
+RME9636.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type route
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ }
+ channels 18
+ }
+ ttable.0.16 1
+ ttable.1.17 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ lock true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/RME9652.conf b/src/conf/cards/RME9652.conf
new file mode 100644
index 0000000..1147d81
--- /dev/null
+++ b/src/conf/cards/RME9652.conf
@@ -0,0 +1,61 @@
+#
+# Configuration for the RME9652
+#
+
+<confdir:pcm/front.conf>
+
+RME9652.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# FIXME: This configuration is not valid for double-speed rates.
+
+<confdir:pcm/iec958.conf>
+
+RME9652.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type route
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ }
+ channels 26
+ }
+ ttable.0.24 1
+ ttable.1.25 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ lock true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/SB-XFi.conf b/src/conf/cards/SB-XFi.conf
new file mode 100644
index 0000000..eb2218b
--- /dev/null
+++ b/src/conf/cards/SB-XFi.conf
@@ -0,0 +1,109 @@
+#
+# Configuration for the SB X-Fi driver
+#
+
+<confdir:pcm/front.conf>
+
+SB-XFi.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 0
+}
+
+<confdir:pcm/rear.conf>
+
+SB-XFi.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+ hint.device 1
+}
+
+<confdir:pcm/center_lfe.conf>
+
+SB-XFi.pcm.center_lfe.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+ hint.device 2
+}
+
+<confdir:pcm/side.conf>
+
+SB-XFi.pcm.side.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 3
+ hint.device 3
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround40.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+<confdir:pcm/surround71.conf>
+
+SB-XFi.pcm.surround40.0 cards.SB-XFi.pcm.front.0
+SB-XFi.pcm.surround51.0 cards.SB-XFi.pcm.front.0
+SB-XFi.pcm.surround71.0 cards.SB-XFi.pcm.front.0
+
+<confdir:pcm/iec958.conf>
+
+SB-XFi.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type asym
+ playback.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ device 4
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+ }
+ hint.device 4
+}
diff --git a/src/conf/cards/SI7018.conf b/src/conf/cards/SI7018.conf
new file mode 100644
index 0000000..02b8fc8
--- /dev/null
+++ b/src/conf/cards/SI7018.conf
@@ -0,0 +1,169 @@
+#
+# Configuration for the SI7018 chip
+#
+# This configuration does not reflect hardware.
+#
+
+<confdir:pcm/front.conf>
+
+SI7018.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FL,FR" ]
+}
+
+<confdir:pcm/rear.conf>
+
+SI7018.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "RL,RR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "PCM Playback Volume"
+ preserve true
+ lock true
+ value [ 24 24 ]
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+SI7018.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.SI7018.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.SI7018.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+SI7018.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.SI7018.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.SI7018.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.SI7018.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ { slave 2 channel 0 }
+ { slave 2 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+SI7018.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ device 1
+ lock true
+ preserve true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/SI7018/sndoc-mixer.alisp b/src/conf/cards/SI7018/sndoc-mixer.alisp
new file mode 100644
index 0000000..ade1ea3
--- /dev/null
+++ b/src/conf/cards/SI7018/sndoc-mixer.alisp
@@ -0,0 +1,11 @@
+;
+; SiS SI7018 mixer abstract layer
+;
+; Copyright (c) 2003 Jaroslav Kysela <perex@perex.cz>
+; License: GPL v2 (http://www.gnu.org/licenses/gpl.html)
+;
+
+(defun sndoc_mixer_open (hctl pcm)
+ (princ "sndoc_mixer_open: hctl=" hctl " pcm=" pcm "\n")
+ 0
+)
diff --git a/src/conf/cards/SI7018/sndop-mixer.alisp b/src/conf/cards/SI7018/sndop-mixer.alisp
new file mode 100644
index 0000000..285e289
--- /dev/null
+++ b/src/conf/cards/SI7018/sndop-mixer.alisp
@@ -0,0 +1,11 @@
+;
+; SiS SI7018 mixer abstract layer
+;
+; Copyright (c) 2003 Jaroslav Kysela <perex@perex.cz>
+; License: GPL v2 (http://www.gnu.org/licenses/gpl.html)
+;
+
+(defun sndop_mixer_open (hctl pcm)
+ (princ "sndop_mixer_open: hctl=" hctl " pcm=" pcm "\n")
+ 0
+)
diff --git a/src/conf/cards/TRID4DWAVENX.conf b/src/conf/cards/TRID4DWAVENX.conf
new file mode 100644
index 0000000..717b140
--- /dev/null
+++ b/src/conf/cards/TRID4DWAVENX.conf
@@ -0,0 +1,131 @@
+#
+# Configuration for the Trident 4D-Wave NX chip
+#
+
+<confdir:pcm/front.conf>
+
+TRID4DWAVENX.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "FL,FR" ]
+}
+
+<confdir:pcm/rear.conf>
+
+TRID4DWAVENX.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ chmap [ "UNKNOWN" "RL,RR" ]
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Rear Path"
+ lock true
+ preserve true
+ value true
+ }
+ {
+ name "PCM Front Playback Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ preserve true
+ value 0
+ }
+ {
+ name "PCM Reverb Playback Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ preserve true
+ value 127
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+TRID4DWAVENX.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.TRID4DWAVENX.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.TRID4DWAVENX.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+TRID4DWAVENX.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 2
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ device 2
+ lock true
+ preserve true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/USB-Audio.conf b/src/conf/cards/USB-Audio.conf
new file mode 100644
index 0000000..4cbf85e
--- /dev/null
+++ b/src/conf/cards/USB-Audio.conf
@@ -0,0 +1,472 @@
+#
+# USB-Audio.conf - configuration for USB Audio devices
+#
+#
+# DO NO EDIT; this is an internal ALSA file.
+# If you want to add your own definitions, put them into /etc/asound.conf or
+# ~/.asoundrc, with "cards." before the "USB-Audio", e.g.:
+#
+# cards.USB-Audio.pcm.use_dmix."NoiseBlaster 3000" no
+#
+# If your device requires such a definition to work correctly, please report it
+# to <alsa-devel@alsa-project.org>.
+
+
+# If a device has sample formats not supported by dmix, dmix can be disabled
+# here.
+USB-Audio.pcm.use_dmix {
+ "AudioPhile" no # uses big-endian 24-bit samples
+ "Audiophile USB (tm)" no
+}
+
+# If a device does not have a four-channel mode for the front/rear outputs,
+# other modes can be selected here.
+# six_channels - for devices that route the last two of the four channels
+# to the center/LFE outputs
+# two_stereo_devices - for devices that have two stereo audio interfaces
+USB-Audio.pcm.surround40_type {
+ "AudioPhile" two_stereo_devices
+ "Audiophile USB (tm)" two_stereo_devices
+ "OmniStudio" two_stereo_devices
+ "Quattro" two_stereo_devices
+ "SB Audigy 2 NX" six_channels
+ "USB AudioSport Quattro (tm)" two_stereo_devices
+}
+
+# If a device does not use the first PCM device for digital data, the device
+# number for the iec958 device can be changed here.
+USB-Audio.pcm.iec958_device {
+ # "NoiseBlaster 3000" 42
+
+ # The below don't have digital in/out, so prevent them from being opened.
+ "Andrea PureAudio USB-SA Headset" 999
+ "Blue Snowball" 999
+ "HP Digital Stereo Headset" 999
+ "GN 9330" 999
+ "Logitech Speaker Lapdesk N700" 999
+ "Logitech G35 Headset" 999
+ "Logitech USB Headset" 999
+ "Logitech USB Headset H540" 999
+ "Logitech Wireless Headset" 999
+ "Plantronics GameCom 780" 999
+ "Plantronics USB Headset" 999
+ "Plantronics Wireless Audio" 999
+ "SB WoW Headset" 999
+ "Scarlett 2i2 USB" 999
+ "Scarlett 2i4 USB" 999
+ "Sennheiser USB headset" 999
+ "SWTOR Gaming Headset by Razer" 999
+ "USB Device 0x46d:0x992" 999
+}
+
+# Second iec958 device number, if any.
+USB-Audio.pcm.iec958_2_device {
+ "PHIREE U2" 1 # 0 = PCM S/PDIF, 1 = non-PCM S/PDIF
+}
+
+
+# If a device requires non-standard definitions for front, surround40,
+# surround51, surround71 or iec958, they can be defined here.
+
+# M-Audio AudioPhile USB:
+# device 0: analog output, digital input
+# device 1: digital output, analog input
+USB-Audio."AudioPhile".pcm.default "cards.USB-Audio.Audiophile USB (tm).pcm.default"
+USB-Audio."Audiophile USB (tm)".pcm.default {
+ @args [ CARD ]
+ @args.CARD { type string }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:DEVICE=1,CARD=" $CARD ]
+ }
+ }
+}
+USB-Audio."AudioPhile".pcm.iec958 "cards.USB-Audio.Audiophile USB (tm).pcm.iec958"
+USB-Audio."Audiophile USB (tm)".pcm.iec958 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ type asym
+ playback.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ capture.pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+}
+
+# For this card we can (and must to get IEC61937) set AES bits
+USB-Audio."MicroII".pcm.iec958 "cards.USB-Audio.Audio Advantage MicroII.pcm.iec958"
+USB-Audio."Audio Advantage MicroII".pcm.iec958 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value 1
+ }
+ ]
+ }
+}
+
+################################################################################
+
+<confdir:pcm/front.conf>
+
+USB-Audio.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD { type string }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio."
+ { @func card_name card $CARD }
+ ".pcm.front:CARD=" $CARD
+ ]
+ }
+ default {
+ # We could use softvol, but the driver might have guessed a
+ # wrong name for the real volume control.
+ type hw
+ card $CARD
+ device 0
+ }
+}
+
+USB-Audio.pcm.default {
+ @args [ CARD ]
+ @args.CARD { type string }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio.pcm.default_playback_dmix_"
+ {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio.pcm.use_dmix."
+ { @func card_name card $CARD }
+ ]
+ }
+ default yes
+ }
+ ":CARD=" $CARD
+ ]
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+USB-Audio.pcm.default_playback_dmix_yes {
+ @args [ CARD ]
+ @args.CARD { type string }
+ @func concat
+ strings [ "dmix:" $CARD ]
+}
+
+USB-Audio.pcm.default_playback_dmix_no {
+ @args [ CARD ]
+ @args.CARD { type string }
+ type hw
+ card $CARD
+ device 0
+}
+
+<confdir:pcm/surround40.conf>
+
+USB-Audio.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD { type string }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio."
+ { @func card_name card $CARD }
+ ".pcm.surround40:CARD=" $CARD
+ ]
+ }
+ default {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio.pcm.surround40_"
+ {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio.pcm.surround40_type."
+ { @func card_name card $CARD }
+ ]
+ }
+ default default
+ }
+ ":CARD=" $CARD
+ ]
+ }
+ }
+}
+
+USB-Audio.pcm.surround40_default {
+ @args [ CARD ]
+ @args.CARD { type string }
+ type hw
+ card $CARD
+ device 0
+}
+
+USB-Audio.pcm.surround40_six_channels {
+ @args [ CARD ]
+ @args.CARD { type string }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+ channels 6
+ }
+}
+
+USB-Audio.pcm.surround40_two_stereo_devices {
+ @args [ CARD ]
+ @args.CARD { type string }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.2 1
+ ttable.3.3 1
+ slave.pcm {
+ type multi
+ slaves {
+ a {
+ pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+ channels 2
+ }
+ b {
+ pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ channels 2
+ }
+ }
+ bindings [
+ { slave a channel 0 }
+ { slave a channel 1 }
+ { slave b channel 0 }
+ { slave b channel 1 }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+USB-Audio.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD { type string }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio."
+ { @func card_name card $CARD }
+ ".pcm.surround51:CARD=" $CARD
+ ]
+ }
+ default {
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+ channels 6
+ }
+ }
+}
+
+<confdir:pcm/surround71.conf>
+
+USB-Audio.pcm.surround71.0 {
+ @args [ CARD ]
+ @args.CARD { type string }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio."
+ { @func card_name card $CARD }
+ ".pcm.surround71:CARD=" $CARD
+ ]
+ }
+ default {
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ ttable.6.6 1
+ ttable.7.7 1
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ device 0
+ }
+ channels 8
+ }
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+USB-Audio.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio."
+ { @func card_name card $CARD }
+ ".pcm.iec958:CARD=" $CARD
+ ",AES0=" $AES0 ",AES1=" $AES1 ",AES2=" $AES2 ",AES3=" $AES3
+ ]
+ }
+ default {
+ # FIXME: we cannot set the AES parameters
+ type hw
+ card $CARD
+ device {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio.pcm.iec958_device."
+ { @func card_name card $CARD }
+ ]
+ }
+ default 0
+ }
+ }
+}
+
+USB-Audio.pcm.iec958.1 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD { type string }
+ @args.AES0 { type integer }
+ @args.AES1 { type integer }
+ @args.AES2 { type integer }
+ @args.AES3 { type integer }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio."
+ { @func card_name card $CARD }
+ ".pcm.iec958_2:CARD=" $CARD
+ ",AES0=" $AES0 ",AES1=" $AES1 ",AES2=" $AES2 ",AES3=" $AES3
+ ]
+ }
+ default {
+ # FIXME: we cannot set the AES parameters
+ type hw
+ card $CARD
+ device {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards.USB-Audio.pcm.iec958_2_device."
+ { @func card_name card $CARD }
+ ]
+ }
+ default 999
+ }
+ }
+}
+
+# vim: ft=alsaconf
diff --git a/src/conf/cards/VIA686A.conf b/src/conf/cards/VIA686A.conf
new file mode 100644
index 0000000..e4a06f2
--- /dev/null
+++ b/src/conf/cards/VIA686A.conf
@@ -0,0 +1,89 @@
+#
+# Configuration for the VIA686A chip
+#
+# SPDIF support is not complete - it might not work, especially with AC3
+# passthru mode...
+#
+
+<confdir:pcm/front.conf>
+
+VIA686A.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+VIA686A.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+VIA686A.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 0
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/VIA8233.conf b/src/conf/cards/VIA8233.conf
new file mode 100644
index 0000000..9ad321f
--- /dev/null
+++ b/src/conf/cards/VIA8233.conf
@@ -0,0 +1,201 @@
+#
+# Configuration for the VIA8233/VIA8233C/VIA8235 chip with 4/6 multi-channel support
+#
+
+<confdir:pcm/front.conf>
+
+VIA8233.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with softvol/dsnoop
+# VIA8233 supports multi-playback
+VIA8233.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+VIA8233.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+VIA8233.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+VIA8233.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ subdevice 3
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 3
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ {
+ name "IEC958 Output Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/VIA8233A.conf b/src/conf/cards/VIA8233A.conf
new file mode 100644
index 0000000..679fccf
--- /dev/null
+++ b/src/conf/cards/VIA8233A.conf
@@ -0,0 +1,205 @@
+#
+# Configuration for the VIA8233A chip with 4/6 multi-channel support
+#
+
+<confdir:pcm/front.conf>
+
+VIA8233A.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with dmix/dsnoop
+VIA8233A.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+VIA8233A.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Swap Surround Slot"
+ lock true
+ preserve true
+ value false
+ optional true
+ }
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+VIA8233A.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Swap Surround Slot"
+ lock true
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ # for old drivers
+ {
+ name "Line-In As Surround"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Mic As Center/LFE"
+ preserve true
+ value true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/iec958.conf>
+
+VIA8233A.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 3
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ {
+ name "IEC958 Output Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/VIA8237.conf b/src/conf/cards/VIA8237.conf
new file mode 100644
index 0000000..29d8e00
--- /dev/null
+++ b/src/conf/cards/VIA8237.conf
@@ -0,0 +1,191 @@
+#
+# Configuration for the VIA8237 chip with 4/6 multi-channel support
+#
+
+<confdir:pcm/front.conf>
+
+VIA8237.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+# default with softvol/dsnoop
+# VIA8237 supports multi-playback
+VIA8237.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type asym
+ playback.pcm {
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+ }
+ capture.pcm {
+ type plug
+ slave.pcm {
+ @func concat
+ strings [ "dsnoop:" $CARD ]
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+
+VIA8237.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 4
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "4ch"
+ lock true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+}
+
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+VIA8237.pcm.surround51.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type route
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.4 1
+ ttable.3.5 1
+ ttable.4.2 1
+ ttable.5.3 1
+ slave.pcm {
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ channels 6
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Channel Mode"
+ preserve true
+ value "6ch"
+ lock true
+ optional true
+ }
+ {
+ name "Surround Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ {
+ name "Center/LFE Down Mix"
+ preserve true
+ value off
+ lock true
+ optional true
+ }
+ ]
+ }
+ }
+ slave.channels 6
+}
+
+<confdir:pcm/iec958.conf>
+
+VIA8237.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ subdevice 3
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback AC97-SPSA"
+ lock true
+ preserve true
+ value 3
+ }
+ {
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value true
+ }
+ {
+ name "IEC958 Output Switch"
+ lock true
+ preserve true
+ value true
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/VX222.conf b/src/conf/cards/VX222.conf
new file mode 100644
index 0000000..3385f25
--- /dev/null
+++ b/src/conf/cards/VX222.conf
@@ -0,0 +1,61 @@
+#
+# Configuration for Digigram VX222
+#
+
+<confdir:pcm/front.conf>
+
+VX222.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/iec958.conf>
+
+VX222.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/VXPocket.conf b/src/conf/cards/VXPocket.conf
new file mode 100644
index 0000000..fe44ff5
--- /dev/null
+++ b/src/conf/cards/VXPocket.conf
@@ -0,0 +1,61 @@
+#
+# Configuration for Digigram VXpocket
+#
+
+<confdir:pcm/front.conf>
+
+VXPocket.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/iec958.conf>
+
+VXPocket.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/VXPocket440.conf b/src/conf/cards/VXPocket440.conf
new file mode 100644
index 0000000..197c2d6
--- /dev/null
+++ b/src/conf/cards/VXPocket440.conf
@@ -0,0 +1,110 @@
+#
+# Configuration for Digigram VXpocket440
+#
+
+<confdir:pcm/front.conf>
+
+VXPocket440.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/rear.conf>
+
+VXPocket440.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 1
+}
+
+<confdir:pcm/surround40.conf>
+
+VXPocket440.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ master 1
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.VXPocket440.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.VXPocket440.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+VXPocket440.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ {
+ # for compatibility with older drivers
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ optional true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/YMF744.conf b/src/conf/cards/YMF744.conf
new file mode 100644
index 0000000..84dbcbe
--- /dev/null
+++ b/src/conf/cards/YMF744.conf
@@ -0,0 +1,108 @@
+#
+# Configuration for the YMF744 chip
+#
+
+<confdir:pcm/front.conf>
+
+YMF744.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+}
+
+<confdir:pcm/rear.conf>
+
+YMF744.pcm.rear.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type hw
+ card $CARD
+ device 2
+}
+
+<confdir:pcm/surround40.conf>
+
+YMF744.pcm.surround40.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type multi
+ slaves [
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.YMF744.pcm.front.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ {
+ pcm {
+ @func concat
+ strings [
+ "cards.YMF744.pcm.rear.0:CARD=" $CARD
+ ]
+ }
+ channels 2
+ }
+ ]
+ bindings [
+ { slave 0 channel 0 }
+ { slave 0 channel 1 }
+ { slave 1 channel 0 }
+ { slave 1 channel 1 }
+ ]
+}
+
+<confdir:pcm/iec958.conf>
+
+YMF744.pcm.iec958.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ device 1
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "IEC958 Playback Switch"
+ lock true
+ preserve true
+ value 1
+ }
+ {
+ interface PCM
+ name "IEC958 Playback PCM Stream"
+ device 1
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/aliases.alisp b/src/conf/cards/aliases.alisp
new file mode 100644
index 0000000..1661caa
--- /dev/null
+++ b/src/conf/cards/aliases.alisp
@@ -0,0 +1,29 @@
+(setq snd_card_aliases_array
+ (
+ ("YMF724" . "YMF744")
+ ("YMF724F" . "YMF744")
+ ("YMF740" . "YMF744")
+ ("YMF740C" . "YMF744")
+ ("YMF754" . "YMF744")
+ ("CMIPCI" . "CMI8338")
+ ("CMI8738" . "CMI8338")
+ ("CMI8738-MC4" . "CMI8738-MC6")
+ ("E-mu APS" . "EMU10K1")
+ ("GUS Max" . "GUS")
+ ("GUS ACE" . "GUS")
+ ("GUS Extreme" . "GUS")
+ ("AMD InterWave" . "GUS")
+ ("Dynasonic 3-D" . "GUS")
+ ("InterWave STB" . "GUS")
+ )
+)
+
+(defun snd_card_alias (cardname)
+ (setq r (assq cardname snd_card_aliases_array))
+ (setq r (if (null r) cardname r))
+ (unsetq r)
+)
+
+(defun snd_card_alias_unset ()
+ (unsetq snd_card_aliases_array snd_card_alias)
+)
diff --git a/src/conf/cards/aliases.conf b/src/conf/cards/aliases.conf
new file mode 100644
index 0000000..4a92fb2
--- /dev/null
+++ b/src/conf/cards/aliases.conf
@@ -0,0 +1,61 @@
+#
+# Define aliases for various drivers
+#
+
+YMF724 cards.YMF744
+YMF724F cards.YMF744
+YMF740 cards.YMF744
+YMF740C cards.YMF744
+YMF754 cards.YMF744
+CMIPCI cards.CMI8338
+CMI8738 cards.CMI8338
+CMI8738-SWIEC cards.CMI8338-SWIEC
+CMI8738-MC4 cards.CMI8738-MC6
+'E-mu APS' cards.EMU10K1
+'GUS MAX' cards.GUS
+'GUS ACE' cards.GUS
+'GUS Extreme' cards.GUS
+'AMD InterWave' cards.GUS
+'Dynasonic 3-D' cards.GUS
+'InterWave STB' cards.GUS
+au8810 cards.AU8810
+au8820 cards.AU8820
+au8830 cards.AU8830
+Prodigy71 cards.Aureon71
+Prodigy71LT cards.Aureon71
+Prodigy71HIFI cards.Aureon71
+Aureon71Univ cards.Aureon71
+VIA82XX-MODEM cards.ICH-MODEM
+'MPU-401 UART' cards.MPU-401
+'VX222/Old' cards.VX222
+'VX222/v2' cards.VX222
+'VX222/Mic' cards.VX222
+'CMI8330/C3D' cards.CMI8330
+'SB AWE' cards.SBAWE
+'SB Pro' cards.SBPro
+'PMac Burgundy' cards.PMac
+'PMac DACA' cards.PMac
+'PMac Tumbler' cards.PMac
+'PMac Snapper' cards.PMac
+'PMac Screamer' cards.PMac
+'PMac AWACS' cards.PMac
+'PMac Toonie' cards.PMacToonie
+AppleOnbdAudio cards.PMacToonie
+'USB US-X2Y' cards.US-X2Y
+'Serial MIDI' cards.SerialMIDI
+'Prodif Plus' cards.ProdifPlus
+ESM1 cards.ES1968
+ES1978 cards.ES1968
+Allegro cards.Maestro3
+Canyon3D-2 cards.Maestro3
+Azalia cards.HDA-Intel
+aaci-pl041 cards.AACI
+AV66 cards.CMI8788
+AV100 cards.CMI8788
+AV200 cards.CMI8788
+CMI8786 cards.CMI8788
+CMI8787 cards.CMI8788
+
+<confdir:pcm/default.conf>
+<confdir:pcm/dmix.conf>
+<confdir:pcm/dsnoop.conf>
diff --git a/src/conf/pcm/Makefile.am b/src/conf/pcm/Makefile.am
new file mode 100644
index 0000000..c548660
--- /dev/null
+++ b/src/conf/pcm/Makefile.am
@@ -0,0 +1,12 @@
+cfg_files = default.conf front.conf rear.conf center_lfe.conf side.conf\
+ surround21.conf surround40.conf surround41.conf \
+ surround50.conf surround51.conf \
+ surround71.conf iec958.conf hdmi.conf modem.conf \
+ dmix.conf dsnoop.conf \
+ dpl.conf
+
+EXTRA_DIST = $(cfg_files)
+
+alsaconfigdir = @ALSA_CONFIG_DIR@
+alsadir = $(alsaconfigdir)/pcm
+alsa_DATA = $(cfg_files)
diff --git a/src/conf/pcm/Makefile.in b/src/conf/pcm/Makefile.in
new file mode 100644
index 0000000..c212728
--- /dev/null
+++ b/src/conf/pcm/Makefile.in
@@ -0,0 +1,471 @@
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+
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+
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+# with or without modifications, as long as this notice is preserved.
+
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+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+
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+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-alsaDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+ distclean distclean-generic distclean-libtool distdir dvi \
+ dvi-am html html-am info info-am install install-alsaDATA \
+ install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-info install-info-am install-man \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ uninstall uninstall-alsaDATA uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/conf/pcm/center_lfe.conf b/src/conf/pcm/center_lfe.conf
new file mode 100644
index 0000000..4ef6f49
--- /dev/null
+++ b/src/conf/pcm/center_lfe.conf
@@ -0,0 +1,58 @@
+#
+# Hardware output from center & lfe speakers
+#
+
+pcm.!center_lfe {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_CENTER_LFE_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.center_lfe.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_CENTER_LFE_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.center_lfe.device
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.center_lfe." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "Center and Subwoofer speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/default.conf b/src/conf/pcm/default.conf
new file mode 100644
index 0000000..864a903
--- /dev/null
+++ b/src/conf/pcm/default.conf
@@ -0,0 +1,57 @@
+#
+# Default output
+#
+
+pcm.!default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.card
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ # use card-specific definition if exists
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.default:CARD=" $CARD
+ ]
+ }
+ default {
+ # use plughw as default
+ type plug
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hint.device 0
+ }
+ }
+ hint {
+ description "Default Audio Device"
+ device_output {
+ @func refer
+ name defaults.pcm.dmix.device
+ }
+ device_input {
+ @func refer
+ name defaults.pcm.dsnoop.device
+ }
+ }
+}
diff --git a/src/conf/pcm/dmix.conf b/src/conf/pcm/dmix.conf
new file mode 100644
index 0000000..e62cb29
--- /dev/null
+++ b/src/conf/pcm/dmix.conf
@@ -0,0 +1,115 @@
+#
+# dmix output
+#
+
+pcm.!dmix {
+ @args [ CARD DEV SUBDEV FORMAT RATE ]
+ @args.CARD {
+ type string
+ default {
+ @func refer
+ name defaults.pcm.dmix.card
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func refer
+ name defaults.pcm.dmix.device
+ }
+ }
+ @args.SUBDEV {
+ type integer
+ default 0
+ }
+ @args.FORMAT {
+ type string
+ default {
+ @func refer
+ name defaults.pcm.dmix.format
+ }
+ }
+ @args.RATE {
+ type integer
+ default {
+ @func refer
+ name defaults.pcm.dmix.rate
+ }
+ }
+ type dmix
+ ipc_key {
+ @func refer
+ name defaults.pcm.ipc_key
+ }
+ ipc_gid {
+ @func refer
+ name defaults.pcm.ipc_gid
+ }
+ ipc_perm {
+ @func refer
+ name defaults.pcm.ipc_perm
+ }
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ device $DEV
+ subdevice $SUBDEV
+ }
+ format $FORMAT
+ rate $RATE
+ period_size {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "defaults.dmix."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".period_size"
+ ]
+ }
+ default 1024
+ }
+ period_time {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "defaults.dmix."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".period_time"
+ ]
+ }
+ default -1
+ }
+ periods {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "defaults.dmix."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".periods"
+ ]
+ }
+ default 16
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.extended
+ }
+ description "Direct sample mixing device"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/dpl.conf b/src/conf/pcm/dpl.conf
new file mode 100644
index 0000000..1009bb3
--- /dev/null
+++ b/src/conf/pcm/dpl.conf
@@ -0,0 +1,43 @@
+pcm.!dpl {
+ @args [ SLAVE ]
+ @args.SLAVE {
+ type string
+ }
+ type route
+ slave.pcm $SLAVE
+ slave.channels 2
+ # input: FL/FR/SL/SR/C/LFE
+ # S=SL+SR, LFE not used
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.0 0.707
+ ttable.2.1 -0.707
+ ttable.3.0 0.707
+ ttable.3.1 -0.707
+ ttable.4.0 0.707
+ ttable.4.1 0.707
+ ttable.5.0 0
+ ttable.5.1 0
+}
+
+pcm.!dpl2 {
+ @args [SLAVE]
+ @args.SLAVE {
+ type string
+ }
+ type route
+ slave.pcm $SLAVE
+ slave.channels 2
+ # input: FL/FR/SL/SR/C/LFE
+ # LFE not used
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.0 0.866
+ ttable.2.1 -0.5
+ ttable.3.0 0.5
+ ttable.3.1 -0.866
+ ttable.4.0 0.707
+ ttable.4.1 0.707
+ ttable.5.0 0
+ ttable.5.1 0
+}
diff --git a/src/conf/pcm/dsnoop.conf b/src/conf/pcm/dsnoop.conf
new file mode 100644
index 0000000..49cfca9
--- /dev/null
+++ b/src/conf/pcm/dsnoop.conf
@@ -0,0 +1,115 @@
+#
+# dsnoop
+#
+
+pcm.!dsnoop {
+ @args [ CARD DEV SUBDEV FORMAT RATE ]
+ @args.CARD {
+ type string
+ default {
+ @func refer
+ name defaults.pcm.dsnoop.card
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func refer
+ name defaults.pcm.dsnoop.device
+ }
+ }
+ @args.SUBDEV {
+ type integer
+ default 0
+ }
+ @args.FORMAT {
+ type string
+ default {
+ @func refer
+ name defaults.pcm.dmix.format
+ }
+ }
+ @args.RATE {
+ type integer
+ default {
+ @func refer
+ name defaults.pcm.dmix.rate
+ }
+ }
+ type dsnoop
+ ipc_key {
+ @func refer
+ name defaults.pcm.ipc_key
+ }
+ ipc_gid {
+ @func refer
+ name defaults.pcm.ipc_gid
+ }
+ ipc_perm {
+ @func refer
+ name defaults.pcm.ipc_perm
+ }
+ slave {
+ pcm {
+ type hw
+ card $CARD
+ device $DEV
+ subdevice $SUBDEV
+ }
+ format $FORMAT
+ rate $RATE
+ period_size {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.dsnoop.period_size"
+ ]
+ }
+ default 1024
+ }
+ period_time {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.dsnoop.period_time"
+ ]
+ }
+ default -1
+ }
+ periods {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.dsnoop.periods"
+ ]
+ }
+ default 16
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.extended
+ }
+ description "Direct sample snooping device"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/front.conf b/src/conf/pcm/front.conf
new file mode 100644
index 0000000..7aff0cb
--- /dev/null
+++ b/src/conf/pcm/front.conf
@@ -0,0 +1,58 @@
+#
+# Hardware output from front speakers
+#
+
+pcm.!front {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_FRONT_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.front.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_FRONT_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.front.device
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.front." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "Front speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/hdmi.conf b/src/conf/pcm/hdmi.conf
new file mode 100644
index 0000000..aad7065
--- /dev/null
+++ b/src/conf/pcm/hdmi.conf
@@ -0,0 +1,83 @@
+#
+# Hardware output from HDMI
+#
+
+pcm.!hdmi {
+ @args [ CARD DEV AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_IEC958_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.iec958.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_IEC958_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.iec958.device
+ }
+ }
+ }
+ @args.AES0 {
+ type integer
+ # consumer, not-copyright, emphasis-none, mode=0
+ default 0x04
+ }
+ @args.AES1 {
+ type integer
+ # original, PCM coder
+ default 0x82
+ }
+ @args.AES2 {
+ type integer
+ # source and channel
+ default 0x00
+ }
+ @args.AES3 {
+ type integer
+ # fs=48000Hz, clock accuracy=1000ppm
+ default 0x02
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.hdmi." $DEV ":"
+ "CARD=" $CARD ","
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "HDMI Audio Output"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/iec958.conf b/src/conf/pcm/iec958.conf
new file mode 100644
index 0000000..ac139b5
--- /dev/null
+++ b/src/conf/pcm/iec958.conf
@@ -0,0 +1,83 @@
+#
+# Hardware output from iec958
+#
+
+pcm.!iec958 {
+ @args [ CARD DEV AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_IEC958_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.iec958.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_IEC958_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.iec958.device
+ }
+ }
+ }
+ @args.AES0 {
+ type integer
+ # consumer, not-copyright, emphasis-none, mode=0
+ default 0x04
+ }
+ @args.AES1 {
+ type integer
+ # original, PCM coder
+ default 0x82
+ }
+ @args.AES2 {
+ type integer
+ # source and channel
+ default 0x00
+ }
+ @args.AES3 {
+ type integer
+ # fs=48000Hz, clock accuracy=1000ppm
+ default 0x02
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.iec958." $DEV ":"
+ "CARD=" $CARD ","
+ "AES0=" $AES0 ","
+ "AES1=" $AES1 ","
+ "AES2=" $AES2 ","
+ "AES3=" $AES3
+ ]
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "IEC958 (S/PDIF) Digital Audio Output"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/modem.conf b/src/conf/pcm/modem.conf
new file mode 100644
index 0000000..0af0e72
--- /dev/null
+++ b/src/conf/pcm/modem.conf
@@ -0,0 +1,106 @@
+#
+# "raw" modem - phoneline
+#
+
+pcm.!phoneline {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_MODEM_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.modem.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_MODEM_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.modem.device
+ }
+ }
+ }
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.modem." $DEV ":CARD=" $CARD
+ ]
+ }
+ hint.show off
+}
+
+#
+# "autohooked" modem
+#
+
+pcm.!modem {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_MODEM_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.modem.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_MODEM_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.modem.device
+ }
+ }
+ }
+ type hooks
+ slave {
+ pcm {
+ @func concat
+ strings [
+ "cards.pcm.phoneline:CARD=" $CARD ",DEV=" $DEV
+ ]
+ }
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Off-hook Switch"
+ preserve true
+ value "on"
+ lock false
+ optional true
+ }
+ ]
+ }
+ hint.show off
+}
diff --git a/src/conf/pcm/rear.conf b/src/conf/pcm/rear.conf
new file mode 100644
index 0000000..85c70aa
--- /dev/null
+++ b/src/conf/pcm/rear.conf
@@ -0,0 +1,58 @@
+#
+# Hardware output from rear speakers
+#
+
+pcm.!rear {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_REAR_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.rear.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_REAR_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.rear.device
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.rear." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "Rear speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/side.conf b/src/conf/pcm/side.conf
new file mode 100644
index 0000000..4a81af0
--- /dev/null
+++ b/src/conf/pcm/side.conf
@@ -0,0 +1,58 @@
+#
+# Hardware output from side speakers
+#
+
+pcm.!side {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_SIDE_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.side.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_SIDE_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.side.device
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.side." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "Side speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/surround21.conf b/src/conf/pcm/surround21.conf
new file mode 100644
index 0000000..7f4676b
--- /dev/null
+++ b/src/conf/pcm/surround21.conf
@@ -0,0 +1,61 @@
+#
+# Hardware output from 2.1 speakers.
+# Samples must be positioned:
+# chn0 - front left
+# chn1 - front right
+# chn2 - LFE
+#
+
+pcm.!surround21 {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_SURROUND21_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround21.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_SURROUND21_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround21.device
+ }
+ }
+ }
+ type route
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.surround51." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ ttable.0.FL 1
+ ttable.1.FR 1
+ ttable.2.LFE 1
+ hint {
+ description "2.1 Surround output to Front and Subwoofer speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/surround40.conf b/src/conf/pcm/surround40.conf
new file mode 100644
index 0000000..361ccaa
--- /dev/null
+++ b/src/conf/pcm/surround40.conf
@@ -0,0 +1,59 @@
+#
+# Hardware output from 4.0 speakers.
+# Samples must be positioned:
+# chn0 - front left
+# chn1 - front right
+# chn2 - rear left
+# chn3 - rear right
+#
+
+pcm.!surround40 {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_SURROUND40_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround40.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_SURROUND40_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround40.device
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.surround40." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ hint {
+ description "4.0 Surround output to Front and Rear speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/surround41.conf b/src/conf/pcm/surround41.conf
new file mode 100644
index 0000000..10e486e
--- /dev/null
+++ b/src/conf/pcm/surround41.conf
@@ -0,0 +1,66 @@
+#
+# Hardware output from 4.1 speakers.
+# Samples must be positioned:
+# chn0 - front left
+# chn1 - front right
+# chn2 - rear left
+# chn3 - rear right
+# chn4 - LFE
+#
+
+pcm.!surround41 {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_SURROUND41_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround41.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_SURROUND41_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround41.device
+ }
+ }
+ }
+ type route
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.surround51." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ slave.channels 6
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.2 1
+ ttable.3.3 1
+ ttable.4.5 1
+ hint {
+ description "4.1 Surround output to Front, Rear and Subwoofer speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/surround50.conf b/src/conf/pcm/surround50.conf
new file mode 100644
index 0000000..7b7b17e
--- /dev/null
+++ b/src/conf/pcm/surround50.conf
@@ -0,0 +1,66 @@
+#
+# Hardware output from 5.0 speakers.
+# Samples must be positioned:
+# chn0 - front left
+# chn1 - front right
+# chn2 - rear left
+# chn3 - rear right
+# chn4 - center
+#
+
+pcm.!surround50 {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_SURROUND50_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround50.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_SURROUND50_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround50.device
+ }
+ }
+ }
+ type route
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.surround51." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ slave.channels 6
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.2 1
+ ttable.3.3 1
+ ttable.4.4 1
+ hint {
+ description "5.0 Surround output to Front, Center and Rear speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/surround51.conf b/src/conf/pcm/surround51.conf
new file mode 100644
index 0000000..3a7543f
--- /dev/null
+++ b/src/conf/pcm/surround51.conf
@@ -0,0 +1,61 @@
+#
+# Hardware output from 5.1 speakers
+# Samples must be positioned:
+# chn0 - front left
+# chn1 - front right
+# chn2 - rear left
+# chn3 - rear right
+# chn4 - center
+# chn5 - lfe
+#
+
+pcm.!surround51 {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_SURROUND51_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround51.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_SURROUND51_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround51.device
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.surround51." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ hint {
+ description "5.1 Surround output to Front, Center, Rear and Subwoofer speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/pcm/surround71.conf b/src/conf/pcm/surround71.conf
new file mode 100644
index 0000000..076a97d
--- /dev/null
+++ b/src/conf/pcm/surround71.conf
@@ -0,0 +1,63 @@
+#
+# Hardware output from 7.1 speakers
+# Samples must be positioned:
+# chn0 - front left
+# chn1 - front right
+# chn2 - rear left
+# chn3 - rear right
+# chn4 - center
+# chn5 - lfe
+# chn6 - side left
+# chn7 - side right
+#
+
+pcm.!surround71 {
+ @args [ CARD DEV ]
+ @args.CARD {
+ type string
+ default {
+ @func getenv
+ vars [
+ ALSA_SURROUND71_CARD
+ ALSA_PCM_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround71.card
+ }
+ }
+ }
+ @args.DEV {
+ type integer
+ default {
+ @func igetenv
+ vars [
+ ALSA_SURROUND71_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.pcm.surround71.device
+ }
+ }
+ }
+ type empty
+ slave.pcm {
+ @func refer
+ name {
+ @func concat
+ strings [
+ "cards."
+ {
+ @func card_driver
+ card $CARD
+ }
+ ".pcm.surround71." $DEV ":CARD=" $CARD
+ ]
+ }
+ }
+ hint {
+ description "7.1 Surround output to Front, Center, Side, Rear and Woofer speakers"
+ device $DEV
+ }
+}
diff --git a/src/conf/smixer.conf b/src/conf/smixer.conf
new file mode 100644
index 0000000..f215661
--- /dev/null
+++ b/src/conf/smixer.conf
@@ -0,0 +1,13 @@
+_full smixer-python.so
+usb {
+ searchl "USB"
+ lib smixer-usb.so
+}
+ac97 {
+ searchl "AC97a:"
+ lib smixer-ac97.so
+}
+hda {
+ searchl "HDA:"
+ lib smixer-hda.so
+}
diff --git a/src/conf/sndo-mixer.alisp b/src/conf/sndo-mixer.alisp
new file mode 100644
index 0000000..c8b03f0
--- /dev/null
+++ b/src/conf/sndo-mixer.alisp
@@ -0,0 +1,115 @@
+;
+; Toplevel configuration for the ALSA Ordinary Mixer Interface
+;
+; Copyright (c) 2003 Jaroslav Kysela <perex@perex.cz>
+; License: GPL v2 (http://www.gnu.org/licenses/gpl.html)
+;
+
+(defun sndo_include (hctl stream)
+ (setq info (Acall "ctl_card_info" (Acall "hctl_ctl" hctl)))
+ (if (= (Aerror info) 0)
+ (progn
+ (setq info (Aresult info))
+ (setq driver (cdr (assq "driver" (unsetq info))))
+ (setq file (concat (path "data") "/alsa/cards/" (snd_card_alias driver) "/sndo" stream "-mixer.alisp"))
+ (setq r (include file))
+ (when (= r -2) (Asyserr "unable to find file " file))
+ )
+ (setq r (Aerror info))
+ )
+ (unsetq info driver file r)
+)
+
+(defun sndo_mixer_open_fcn (hctl stream pcm)
+ (setq fcn (concat "sndo" stream "_mixer_open"))
+ (setq r (if (exfun fcn) (funcall fcn hctl pcm) 0))
+ (when (= r 0)
+ (setq hctls (if hctls (cons hctls (cons hctl)) hctl))
+ )
+ (unsetq fcn r)
+)
+
+(defun sndo_mixer_open_hctl (name stream pcm)
+ (setq hctl (Acall "hctl_open" name nil))
+ (setq r (Aerror hctl))
+ (when (= r 0)
+ (setq hctl (Aresult hctl))
+ (setq r (sndo_include hctl stream))
+ (if (= r 0)
+ (setq r (sndo_mixer_open_fcn hctl stream pcm))
+ (Acall "hctl_close" hctl)
+ )
+ )
+ (unsetq hctl r)
+)
+
+(defun sndo_mixer_open_virtual (name stream pcm)
+ (setq file (concat (path "data") "/alsa/virtual/" name "/sndo" stream "-mixer.alisp"))
+ (setq r (include file))
+ (when (= r -2) (Asyserr "unable to find file " file))
+ (when (= r 0) (setq r (sndo_mixer_open_fcn nil stream pcm)))
+ (unsetq file r)
+)
+
+(defun sndo_mixer_open1 (name stream)
+ (if (compare-strings name 0 2 "hw:" 0 2)
+ (sndo_mixer_open_hctl name stream nil)
+ (sndo_mixer_open_virtual name stream nil)
+ )
+)
+
+(defun sndo_mixer_open (pname cname)
+ (setq r (sndo_mixer_open1 pname "p"))
+ (when (= r 0) (setq r (sndo_mixer_open1 cname "c")))
+ (when (!= r 0) (sndo_mixer_close))
+ (unsetq sndo_mixer_open
+ sndo_mixer_open_pcm sndo_mixer_open_pcm1
+ sndo_mixer_open_virtual sndo_mixer_open_fcn
+ sndo_include r)
+)
+
+(defun sndo_mixer_open_pcm1 (pcm stream)
+ (setq info (Acall "pcm_info" pcm))
+ (setq r (Aerror info))
+ (when (= r 0)
+ (setq info (Aresult info))
+ (setq card (cdr (assq "card" info)))
+ (setq r
+ (if (< card 0)
+ (sndo_mixer_open_virtual (Acall "pcm_name" pcm) stream pcm)
+ (sndo_mixer_open_hctl (format "hw:%i" card) stream pcm)
+ )
+ )
+ )
+ (unsetq info card r)
+)
+
+(defun sndo_mixer_open_pcm (ppcm cpcm)
+ (setq r (sndo_mixer_open_pcm1 ppcm "p"))
+ (when (= r 0) (setq r (sndo_mixer_open_pcm1 cpcm "c")))
+ (when (!= r 0) (sndo_mixer_close))
+ (unsetq sndo_mixer_open
+ sndo_mixer_open_pcm sndo_mixer_open_pcm1
+ sndo_mixer_open_virtual sndo_mixer_open_fcn
+ sndo_include r)
+)
+
+(defun sndo_mixer_close1 (hctl stream)
+ (when hctl
+ (progn
+ (setq fcn (concat "sndo" stream "_mixer_close"))
+ (when (exfun fcn) (funcall fcn hctl))
+ (unsetq fcn)
+ (Acall "hctl_close" hctl)
+ )
+ )
+)
+
+(defun sndo_mixer_close nil
+ (sndo_mixer_close1 (nth 1 hctls) "c")
+ (sndo_mixer_close1 (nth 0 hctls) "p")
+ (snd_card_alias_unset)
+ (unsetq hctls)
+)
+
+(include (concat (path "data") "/alsa/cards/aliases.alisp"))
diff --git a/src/conf/ucm/DAISY-I2S/DAISY-I2S.conf b/src/conf/ucm/DAISY-I2S/DAISY-I2S.conf
new file mode 100644
index 0000000..0f4b5fc
--- /dev/null
+++ b/src/conf/ucm/DAISY-I2S/DAISY-I2S.conf
@@ -0,0 +1,6 @@
+Comment "Daisy internal card"
+
+SectionUseCase."HiFi" {
+ File "HiFi.conf"
+ Comment "Default"
+}
diff --git a/src/conf/ucm/DAISY-I2S/HiFi.conf b/src/conf/ucm/DAISY-I2S/HiFi.conf
new file mode 100644
index 0000000..d8c06ad
--- /dev/null
+++ b/src/conf/ucm/DAISY-I2S/HiFi.conf
@@ -0,0 +1,62 @@
+SectionVerb {
+ EnableSequence [
+ cdev "hw:DAISYI2S"
+ cset "name='Left Speaker Mixer Left DAC1 Switch' on"
+ cset "name='Right Speaker Mixer Right DAC1 Switch' on"
+ cset "name='Left Headphone Mixer Left DAC1 Switch' on"
+ cset "name='Right Headphone Mixer Right DAC1 Switch' on"
+ cset "name='DMIC1 Left Capture Switch' on"
+ cset "name='DMIC1 Right Capture Switch' on"
+ cset "name='MIC2 External Mic Switch' on"
+ cset "name='Left ADC Mixer MIC2 Switch' on"
+ cset "name='Right ADC Mixer MIC2 Switch' on"
+ cset "name='EQ1 Mode' Default"
+ cset "name='DAI1 Filter Mode' Music"
+ ]
+ DisableSequence [
+ ]
+}
+
+SectionDevice."Headphone".0 {
+ Value {
+ JackName "DAISY-I2S Headphone Jack"
+ }
+
+ EnableSequence [
+ cdev "hw:DAISYI2S"
+ cset "name='EQ1 Switch' off"
+ cset "name='Left Headphone Mixer Left DAC1 Switch' on"
+ cset "name='Right Headphone Mixer Right DAC1 Switch' on"
+ ]
+ DisableSequence [
+ cdev "hw:DAISYI2S"
+ cset "name='EQ1 Mode' Default"
+ cset "name='EQ1 Switch' on"
+ cset "name='Left Speaker Mixer Left DAC1 Switch' on"
+ cset "name='Right Speaker Mixer Right DAC1 Switch' on"
+ ]
+}
+
+SectionDevice."Mic".0 {
+ Value {
+ JackName "DAISY-I2S Mic Jack"
+ }
+
+ EnableSequence [
+ cdev "hw:DAISYI2S"
+
+ cset "name='DMIC1 Left Capture Switch' off"
+ cset "name='DMIC1 Right Capture Switch' off"
+ cset "name='Left ADC Mixer MIC2 Switch' on"
+ cset "name='Right ADC Mixer MIC2 Switch' on"
+ ]
+
+ DisableSequence [
+ cdev "hw:DAISYI2S"
+
+ cset "name='Left ADC Mixer MIC2 Switch' off"
+ cset "name='Right ADC Mixer MIC2 Switch' off"
+ cset "name='DMIC1 Left Capture Switch' on"
+ cset "name='DMIC1 Right Capture Switch' on"
+ ]
+}
diff --git a/src/conf/ucm/DAISY-I2S/Makefile.am b/src/conf/ucm/DAISY-I2S/Makefile.am
new file mode 100644
index 0000000..1a0160a
--- /dev/null
+++ b/src/conf/ucm/DAISY-I2S/Makefile.am
@@ -0,0 +1,4 @@
+alsaconfigdir = @ALSA_CONFIG_DIR@
+ucmdir = $(alsaconfigdir)/ucm/DAISY-I2S
+ucm_DATA = DAISY-I2S.conf HiFi.conf
+EXTRA_DIST = $(ucm_DATA)
diff --git a/src/conf/ucm/DAISY-I2S/Makefile.in b/src/conf/ucm/DAISY-I2S/Makefile.in
new file mode 100644
index 0000000..4d9bfed
--- /dev/null
+++ b/src/conf/ucm/DAISY-I2S/Makefile.in
@@ -0,0 +1,464 @@
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+
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diff --git a/src/conf/ucm/GoogleNyan/GoogleNyan.conf b/src/conf/ucm/GoogleNyan/GoogleNyan.conf
new file mode 100644
index 0000000..efe6ad8
--- /dev/null
+++ b/src/conf/ucm/GoogleNyan/GoogleNyan.conf
@@ -0,0 +1,5 @@
+Comment "Nyan internal card"
+SectionUseCase."HiFi" {
+ File "HiFi.conf"
+ Comment "Default"
+}
diff --git a/src/conf/ucm/GoogleNyan/HiFi.conf b/src/conf/ucm/GoogleNyan/HiFi.conf
new file mode 100644
index 0000000..b28fe91
--- /dev/null
+++ b/src/conf/ucm/GoogleNyan/HiFi.conf
@@ -0,0 +1,77 @@
+SectionVerb {
+ EnableSequence [
+ cdev "hw:GoogleNyan"
+ cset "name='Left Speaker Mixer Left DAC Switch' on"
+ cset "name='Right Speaker Mixer Right DAC Switch' on"
+ cset "name='Headphone Left Switch' on"
+ cset "name='Headphone Right Switch' on"
+ cset "name='Digital EQ 3 Band Switch' off"
+ cset "name='Digital EQ 5 Band Switch' off"
+ cset "name='Digital EQ 7 Band Switch' off"
+ cset "name='Biquad Switch' off"
+ cset "name='Filter Mode' Music"
+ cset "name='ADC Oversampling Rate' 0"
+ cset "name='DMIC Mux' DMIC"
+ cset "name='MIC2 Mux' IN34"
+ cset "name='Right ADC Mixer MIC2 Switch' on"
+ cset "name='Left ADC Mixer MIC2 Switch' on"
+ cset "name='MIC2 Volume' 10"
+ cset "name='MIC2 Boost Volume' 0"
+ cset "name='Mic Jack Switch' off"
+ cset "name='Int Mic Switch' on"
+ cset "name='ADCR Boost Volume' 4"
+ cset "name='ADCL Boost Volume' 4"
+ cset "name='ADCR Volume' 11"
+ cset "name='ADCL Volume' 11"
+ cset "name='Left Speaker Mixer Left DAC Switch' on"
+ cset "name='Right Speaker Mixer Right DAC Switch' on"
+ cset "name='Speaker Left Mixer Volume' 2"
+ cset "name='Speaker Right Mixer Volume' 2"
+ cset "name='Record Path DC Blocking' on"
+ cset "name='Playback Path DC Blocking' on"
+ cset "name='Headphone Left Switch' on"
+ cset "name='Headphone Right Switch' on"
+ cset "name='Headphones Switch' off"
+ cset "name='Speaker Left Switch' on"
+ cset "name='Speaker Right Switch' on"
+ cset "name='Speakers Switch' on"
+ ]
+ DisableSequence [
+ ]
+}
+
+SectionDevice."Headphone".0 {
+ Value {
+ OutputDspName ""
+ }
+ EnableSequence [
+ cdev "hw:GoogleNyan"
+ cset "name='Speakers Switch' off"
+ cset "name='Headphones Switch' on"
+ ]
+ DisableSequence [
+ cdev "hw:GoogleNyan"
+ cset "name='Headphones Switch' off"
+ cset "name='Speakers Switch' on"
+ ]
+}
+
+SectionDevice."Mic".0 {
+ Value {
+ CaptureControl "MIC2"
+ }
+ EnableSequence [
+ cdev "hw:GoogleNyan"
+ cset "name='Int Mic Switch' off"
+ cset "name='DMIC Mux' ADC"
+ cset "name='Mic Jack Switch' on"
+ cset "name='Record Path DC Blocking' on"
+ ]
+ DisableSequence [
+ cdev "hw:GoogleNyan"
+ cset "name='Mic Jack Switch' off"
+ cset "name='DMIC Mux' DMIC"
+ cset "name='Int Mic Switch' on"
+ cset "name='Record Path DC Blocking' off"
+ ]
+}
diff --git a/src/conf/ucm/GoogleNyan/Makefile.am b/src/conf/ucm/GoogleNyan/Makefile.am
new file mode 100644
index 0000000..47c7fc9
--- /dev/null
+++ b/src/conf/ucm/GoogleNyan/Makefile.am
@@ -0,0 +1,4 @@
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+ucm_DATA = GoogleNyan.conf HiFi.conf
+EXTRA_DIST = $(ucm_DATA)
diff --git a/src/conf/ucm/GoogleNyan/Makefile.in b/src/conf/ucm/GoogleNyan/Makefile.in
new file mode 100644
index 0000000..c8d4465
--- /dev/null
+++ b/src/conf/ucm/GoogleNyan/Makefile.in
@@ -0,0 +1,464 @@
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diff --git a/src/conf/ucm/PAZ00/HiFi.conf b/src/conf/ucm/PAZ00/HiFi.conf
new file mode 100644
index 0000000..275516d
--- /dev/null
+++ b/src/conf/ucm/PAZ00/HiFi.conf
@@ -0,0 +1,45 @@
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PAZ00"
+
+ cset "name='Speaker Playback Switch' on"
+ cset "name='Int Spk Switch' on"
+ cset "name='Speaker Mix DAC2SPK Playback Switch' on"
+ ]
+ DisableSequence [
+ cset "name='Speaker Playback Switch' off"
+ cset "name='Int Spk Switch' off"
+ cset "name='Speaker Mix DAC2SPK Playback Switch' off"
+ ]
+}
+
+SectionDevice."Headset".0 {
+ Comment "3.5mm Headset"
+
+ Value {
+ JackName "Paz00 Headset Jack"
+ }
+
+ EnableSequence [
+ cdev "hw:PAZ00"
+
+ # Internal speaker
+ cset "name='Int Spk Switch' off"
+
+ # Headphones
+ cset "name='Headphone Playback Switch' on"
+ cset "name='HPL Mix DACL2HP Playback Switch' on"
+ cset "name='HPR Mix DACR2HP Playback Switch' on"
+ ]
+ DisableSequence [
+ cdev "hw:PAZ00"
+
+ # Headphones
+ cset "name='Headphone Playback Switch' off"
+ cset "name='HPL Mix DACL2HP Playback Switch' off"
+ cset "name='HPR Mix DACR2HP Playback Switch' off"
+
+ # Internal speaker
+ cset "name='Int Spk Switch' on"
+ ]
+}
diff --git a/src/conf/ucm/PAZ00/Makefile.am b/src/conf/ucm/PAZ00/Makefile.am
new file mode 100644
index 0000000..1bf98a6
--- /dev/null
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diff --git a/src/conf/ucm/PAZ00/Makefile.in b/src/conf/ucm/PAZ00/Makefile.in
new file mode 100644
index 0000000..36e0e41
--- /dev/null
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diff --git a/src/conf/ucm/PAZ00/PAZ00.conf b/src/conf/ucm/PAZ00/PAZ00.conf
new file mode 100644
index 0000000..8b9d904
--- /dev/null
+++ b/src/conf/ucm/PAZ00/PAZ00.conf
@@ -0,0 +1,39 @@
+Comment "PAZ00 alc5632"
+
+ValueDefaults {
+ PlaybackCTL "hw:0"
+ CaptureCTL "hw:0"
+}
+
+SectionDefaults [
+ cdev "hw:PAZ00"
+
+ cset "name='Master Playback Switch' on"
+ cset "name='Master Playback Volume' 44,44"
+ cset "name='Headphone Playback Volume' 21,21"
+ cset "name='Speaker Playback Volume' 21,21"
+ cset "name='SpeakerOut Mux' 2"
+ cset "name='SpeakerOut N Mux' LN/-R"
+ cset "name='AB-D Amp Mux' 0"
+ cset "name='Left Headphone Mux' 1"
+ cset "name='Right Headphone Mux' 1"
+ cset "name='DMIC Boost Capture Volume' 4"
+ cset "name='Rec Capture Volume' 24"
+
+ # Fix external mic record volumes
+ cset "name='Mic 1 Boost Volume' 0"
+ cset "name='Mic 2 Boost Volume' 0"
+ cset "name='Mic1 Playback Volume' 0"
+ cset "name='Mic2 Playback Volume' 0"
+ cset "name='Rec Capture Volume' 0"
+]
+
+SectionUseCase."HiFi" {
+ File "HiFi.conf"
+ Comment "Music playback"
+}
+
+SectionUseCase."Record" {
+ File "Record.conf"
+ Comment "Playback and capture"
+}
diff --git a/src/conf/ucm/PAZ00/Record.conf b/src/conf/ucm/PAZ00/Record.conf
new file mode 100644
index 0000000..568e2fb
--- /dev/null
+++ b/src/conf/ucm/PAZ00/Record.conf
@@ -0,0 +1,65 @@
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PAZ00"
+
+ cset "name='Speaker Playback Switch' on"
+ cset "name='Int Spk Switch' on"
+ cset "name='Speaker Mix DAC2SPK Playback Switch' on"
+
+ cset "name='DMICL Mix DMICL2ADC Capture Switch' on"
+ cset "name='DMIC En Capture Switch' on"
+ cset "name='DMIC PreFilter Capture Switch' on"
+ ]
+ DisableSequence [
+ cset "name='Speaker Playback Switch' off"
+ cset "name='Int Spk Switch' off"
+ cset "name='Speaker Mix DAC2SPK Playback Switch' off"
+
+ cset "name='DMICL Mix DMICL2ADC Capture Switch' off"
+ cset "name='DMIC En Capture Switch' off"
+ cset "name='DMIC PreFilter Capture Switch' off"
+ ]
+}
+
+SectionDevice."Headset".0 {
+ Comment "3.5mm Headset"
+
+ Value {
+ JackName "Paz00 Headset Jack"
+ }
+
+ EnableSequence [
+ cdev "hw:PAZ00"
+
+ # Internal speaker
+ cset "name='Int Spk Switch' off"
+
+ # Internal mic
+ cset "name='DMIC En Capture Switch' off"
+
+ # Headphones
+ cset "name='Headphone Playback Switch' on"
+ cset "name='HPL Mix DACL2HP Playback Switch' on"
+ cset "name='HPR Mix DACR2HP Playback Switch' on"
+
+ # External min
+ cset "name='Left Capture Mix MIC12REC_L Capture Switch' on"
+ ]
+ DisableSequence [
+ cdev "hw:PAZ00"
+
+ # Headphones
+ cset "name='Headphone Playback Switch' off"
+ cset "name='HPL Mix DACL2HP Playback Switch' off"
+ cset "name='HPR Mix DACR2HP Playback Switch' off"
+
+ # External mic
+ cset "name='Left Capture Mix MIC12REC_L Capture Switch' on"
+
+ # Internal speaker
+ cset "name='Int Spk Switch' on"
+
+ # Internal mic
+ cset "name='DMIC En Capture Switch' on"
+ ]
+}
diff --git a/src/conf/ucm/PandaBoard/FMAnalog b/src/conf/ucm/PandaBoard/FMAnalog
new file mode 100644
index 0000000..f1b4477
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/FMAnalog
@@ -0,0 +1,46 @@
+# Use case Configurationfor TI PandaBoard HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='MUX_UL00' 9"
+ cset "name='MUX_UL01' 10"
+ cset "name='Capture Volume' 4"
+ ]
+
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='MUX_UL00' 0"
+ cset "name='MUX_UL01' 0"
+ cset "name='Capture Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ CapturePCM "hw:0,0"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoard 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Analog Left Capture Route' 2"
+ cset "name='Analog Right Capture Route' 2"
+ cset "name='Capture Preamplifier Volume' 2"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ ]
+}
+
diff --git a/src/conf/ucm/PandaBoard/Makefile.am b/src/conf/ucm/PandaBoard/Makefile.am
new file mode 100644
index 0000000..1693d07
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/Makefile.am
@@ -0,0 +1,4 @@
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+ucmdir = $(alsaconfigdir)/ucm/PandaBoard
+ucm_DATA = FMAnalog hifi hifiLP PandaBoard.conf record voice voiceCall
+EXTRA_DIST = $(ucm_DATA)
diff --git a/src/conf/ucm/PandaBoard/Makefile.in b/src/conf/ucm/PandaBoard/Makefile.in
new file mode 100644
index 0000000..33fc907
--- /dev/null
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@@ -0,0 +1,464 @@
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diff --git a/src/conf/ucm/PandaBoard/PandaBoard.conf b/src/conf/ucm/PandaBoard/PandaBoard.conf
new file mode 100644
index 0000000..85b90b4
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/PandaBoard.conf
@@ -0,0 +1,45 @@
+# UCM configuration for PandaBoard
+SectionUseCase."Record" {
+ File "record"
+ Comment "Record."
+}
+
+SectionUseCase."HiFi" {
+ File "hifi"
+ Comment "Play HiFi quality Music."
+}
+
+SectionUseCase."HiFi_Low_Power" {
+ File "hifiLP"
+ Comment "Play HiFi quality Music in Low Power Mode."
+}
+
+SectionUseCase."Voice" {
+ File "voice"
+ Comment "Playback Voice quality."
+}
+
+SectionUseCase."Voice_Low_Power" {
+ File "voice"
+ Comment "Playback Voice quality in Low Power Mode."
+}
+
+SectionUseCase."Voice_Call" {
+ File "voiceCall"
+ Comment "Capture and Playback in Voice quality."
+}
+
+SectionUseCase."Voice_Call_IP" {
+ File "voiceCall"
+ Comment "Capture and Playback in Voice quality."
+}
+
+SectionUseCase."FM_Analog_Radio" {
+ File "FMAnalog"
+ Comment "Capture FM Analog Radio."
+}
+
+SectionDefaults [
+ cdev "hw:PandaBoard"
+ exec "echo Im setting defaults"
+]
diff --git a/src/conf/ucm/PandaBoard/hifi b/src/conf/ucm/PandaBoard/hifi
new file mode 100644
index 0000000..db405a4
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/hifi
@@ -0,0 +1,83 @@
+# Use case Configuration for TI PandaBoard HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='DL1 Mixer Multimedia' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Media Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='DL1 Mixer Multimedia' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Media Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+# Value {
+# TQ "Music"
+# PlaybackPCM "hw:0,0"
+# PlaybackVolume "name='DL1 Media Playback Volume' 90,90"
+# PlaybackSwitch "name='DL1 PDM Switch' 1"
+# }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoard 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
+
+#SectionModifier."RecordMedia".0 {
+# SupportedDevice [
+# "Headset"
+# ]
+ # EnableSequence [
+ # ....
+ # ]
+ #
+ # DisableSequence [
+ # ...
+ # ]
+ #
+ # TransitionSequence."ToModifierName" [
+ # ...
+ # ]
+ #
+ # # Optional TQ and ALSA PCMs
+ # Value {
+ # TQ Voice
+ # CapturePCM "hw:1"
+ # PlaybackVolume "name='Master Playback Volume',index=2"
+ # PlaybackSwitch "name='Master Playback Switch',index=2"
+ # }
+#
+#}
+
diff --git a/src/conf/ucm/PandaBoard/hifiLP b/src/conf/ucm/PandaBoard/hifiLP
new file mode 100644
index 0000000..7bbbd5d
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/hifiLP
@@ -0,0 +1,46 @@
+# Use case Configuration for TI PandaBoard HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='DL1 Mixer Multimedia' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Media Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='DL1 Mixer Multimedia' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Media Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ PlaybackPCM "hw:0,6"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoard 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/PandaBoard/record b/src/conf/ucm/PandaBoard/record
new file mode 100644
index 0000000..0eaf117
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/record
@@ -0,0 +1,47 @@
+# Use case Configuration for TI PandaBoard HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ # No more AMIC PDM Switch in current kernels
+ #cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='MUX_UL00' 9"
+ cset "name='MUX_UL01' 10"
+ cset "name='Capture Volume' 4"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ # No more AMIC PDM Switch in current kernels
+ #cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='MUX_UL00' 0"
+ cset "name='MUX_UL01' 0"
+ cset "name='Capture Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ CapturePCM "hw:0,0"
+ }
+
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoard 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Analog Left Capture Route' 0"
+ cset "name='Analog Right Capture Route' 0"
+ cset "name='Capture Preamplifier Volume' 2"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/PandaBoard/voice b/src/conf/ucm/PandaBoard/voice
new file mode 100644
index 0000000..4861071
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/voice
@@ -0,0 +1,46 @@
+# Use case Configuration for TI PandaBoard HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='DL1 Mixer Voice' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Voice Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='DL1 Mixer Voice' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Voice"
+ PlaybackPCM "hw:0,2"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoard 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/PandaBoard/voiceCall b/src/conf/ucm/PandaBoard/voiceCall
new file mode 100644
index 0000000..d3c9501
--- /dev/null
+++ b/src/conf/ucm/PandaBoard/voiceCall
@@ -0,0 +1,67 @@
+# Use case Configuration for TI PandaBoard HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='Sidetone Mixer Capture' 1"
+ cset "name='MUX_VX0' 9"
+ cset "name='MUX_VX1' 10"
+ cset "name='DL1 Mixer Voice' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Voice Playback Volume' 90,90"
+ cset "name='Capture Volume' 4"
+ cset "name='Capture Mixer Voice Capture' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='Sidetone Mixer Capture' 0"
+ cset "name='MUX_VX0' 0"
+ cset "name='MUX_VX1' 0"
+ cset "name='DL1 Mixer Voice' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='Capture Volume' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Voice"
+ CapturePCM "hw:0,2"
+ PlaybackPCM "hw:0,2"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoard 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Analog Left Capture Route' 0"
+ cset "name='Analog Right Capture Route' 0"
+ cset "name='Capture Preamplifier Volume' 2"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoard"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
+
diff --git a/src/conf/ucm/PandaBoardES/FMAnalog b/src/conf/ucm/PandaBoardES/FMAnalog
new file mode 100644
index 0000000..6885cc8
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/FMAnalog
@@ -0,0 +1,46 @@
+# Use case Configurationfor TI PandaBoardES HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='MUX_UL00' 9"
+ cset "name='MUX_UL01' 10"
+ cset "name='Capture Volume' 4"
+ ]
+
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='MUX_UL00' 0"
+ cset "name='MUX_UL01' 0"
+ cset "name='Capture Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ CapturePCM "hw:0,0"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoardES 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Analog Left Capture Route' 2"
+ cset "name='Analog Right Capture Route' 2"
+ cset "name='Capture Preamplifier Volume' 2"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ ]
+}
+
diff --git a/src/conf/ucm/PandaBoardES/Makefile.am b/src/conf/ucm/PandaBoardES/Makefile.am
new file mode 100644
index 0000000..6413fc7
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/Makefile.am
@@ -0,0 +1,4 @@
+alsaconfigdir = @ALSA_CONFIG_DIR@
+ucmdir = $(alsaconfigdir)/ucm/PandaBoardES
+ucm_DATA = FMAnalog hifi hifiLP PandaBoardES.conf record voice voiceCall
+EXTRA_DIST = $(ucm_DATA)
diff --git a/src/conf/ucm/PandaBoardES/Makefile.in b/src/conf/ucm/PandaBoardES/Makefile.in
new file mode 100644
index 0000000..d357c0a
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/Makefile.in
@@ -0,0 +1,464 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
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diff --git a/src/conf/ucm/PandaBoardES/PandaBoardES.conf b/src/conf/ucm/PandaBoardES/PandaBoardES.conf
new file mode 100644
index 0000000..4fe6d0b
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/PandaBoardES.conf
@@ -0,0 +1,45 @@
+# UCM configuration for PandaBoardES
+SectionUseCase."Record" {
+ File "record"
+ Comment "Record."
+}
+
+SectionUseCase."HiFi" {
+ File "hifi"
+ Comment "Play HiFi quality Music."
+}
+
+SectionUseCase."HiFi_Low_Power" {
+ File "hifiLP"
+ Comment "Play HiFi quality Music in Low Power Mode."
+}
+
+SectionUseCase."Voice" {
+ File "voice"
+ Comment "Playback Voice quality."
+}
+
+SectionUseCase."Voice_Low_Power" {
+ File "voice"
+ Comment "Playback Voice quality in Low Power Mode."
+}
+
+SectionUseCase."Voice_Call" {
+ File "voiceCall"
+ Comment "Capture and Playback in Voice quality."
+}
+
+SectionUseCase."Voice_Call_IP" {
+ File "voiceCall"
+ Comment "Capture and Playback in Voice quality."
+}
+
+SectionUseCase."FM_Analog_Radio" {
+ File "FMAnalog"
+ Comment "Capture FM Analog Radio."
+}
+
+SectionDefaults [
+ cdev "hw:PandaBoardES"
+ exec "echo Im setting PandaBoardES defaults"
+]
diff --git a/src/conf/ucm/PandaBoardES/hifi b/src/conf/ucm/PandaBoardES/hifi
new file mode 100644
index 0000000..be00e60
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/hifi
@@ -0,0 +1,83 @@
+# Use case Configuration for TI PandaBoardES HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='DL1 Mixer Multimedia' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Media Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='DL1 Mixer Multimedia' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Media Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+# Value {
+# TQ "Music"
+# PlaybackPCM "hw:0,0"
+# PlaybackVolume "name='DL1 Media Playback Volume' 90,90"
+# PlaybackSwitch "name='DL1 PDM Switch' 1"
+# }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoardES 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
+
+#SectionModifier."RecordMedia".0 {
+# SupportedDevice [
+# "Headset"
+# ]
+ # EnableSequence [
+ # ....
+ # ]
+ #
+ # DisableSequence [
+ # ...
+ # ]
+ #
+ # TransitionSequence."ToModifierName" [
+ # ...
+ # ]
+ #
+ # # Optional TQ and ALSA PCMs
+ # Value {
+ # TQ Voice
+ # CapturePCM "hw:1"
+ # PlaybackVolume "name='Master Playback Volume',index=2"
+ # PlaybackSwitch "name='Master Playback Switch',index=2"
+ # }
+#
+#}
+
diff --git a/src/conf/ucm/PandaBoardES/hifiLP b/src/conf/ucm/PandaBoardES/hifiLP
new file mode 100644
index 0000000..c817a58
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/hifiLP
@@ -0,0 +1,46 @@
+# Use case Configuration for TI PandaBoardES HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='DL1 Mixer Multimedia' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Media Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='DL1 Mixer Multimedia' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Media Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ PlaybackPCM "hw:0,6"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoardES 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/PandaBoardES/record b/src/conf/ucm/PandaBoardES/record
new file mode 100644
index 0000000..4f272a9
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/record
@@ -0,0 +1,47 @@
+# Use case Configuration for TI PandaBoardES HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ # No more AMIC PDM Switch in current kernels
+ #cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='MUX_UL00' 9"
+ cset "name='MUX_UL01' 10"
+ cset "name='Capture Volume' 4"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ # No more AMIC PDM Switch in current kernels
+ #cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='MUX_UL00' 0"
+ cset "name='MUX_UL01' 0"
+ cset "name='Capture Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ CapturePCM "hw:0,0"
+ }
+
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoardES 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Analog Left Capture Route' 0"
+ cset "name='Analog Right Capture Route' 0"
+ cset "name='Capture Preamplifier Volume' 2"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/PandaBoardES/voice b/src/conf/ucm/PandaBoardES/voice
new file mode 100644
index 0000000..e2b3f79
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/voice
@@ -0,0 +1,46 @@
+# Use case Configuration for TI PandaBoardES HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='DL1 Mixer Voice' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Voice Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='DL1 Mixer Voice' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Voice"
+ PlaybackPCM "hw:0,2"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoardES 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/PandaBoardES/voiceCall b/src/conf/ucm/PandaBoardES/voiceCall
new file mode 100644
index 0000000..57b1c80
--- /dev/null
+++ b/src/conf/ucm/PandaBoardES/voiceCall
@@ -0,0 +1,67 @@
+# Use case Configuration for TI PandaBoardES HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='Sidetone Mixer Capture' 1"
+ cset "name='MUX_VX0' 9"
+ cset "name='MUX_VX1' 10"
+ cset "name='DL1 Mixer Voice' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Voice Playback Volume' 90,90"
+ cset "name='Capture Volume' 4"
+ cset "name='Capture Mixer Voice Capture' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='Sidetone Mixer Capture' 0"
+ cset "name='MUX_VX0' 0"
+ cset "name='MUX_VX1' 0"
+ cset "name='DL1 Mixer Voice' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='Capture Volume' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Voice"
+ CapturePCM "hw:0,2"
+ PlaybackPCM "hw:0,2"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "PandaBoardES 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Analog Left Capture Route' 0"
+ cset "name='Analog Right Capture Route' 0"
+ cset "name='Capture Preamplifier Volume' 2"
+ cset "name='Headset Left Playback' 1"
+ cset "name='Headset Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:PandaBoardES"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ cset "name='Headset Right Playback' 0"
+ cset "name='Headset Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
+
diff --git a/src/conf/ucm/SDP4430/FMAnalog b/src/conf/ucm/SDP4430/FMAnalog
new file mode 100644
index 0000000..876527a
--- /dev/null
+++ b/src/conf/ucm/SDP4430/FMAnalog
@@ -0,0 +1,46 @@
+# Use case Configurationfor TI SDP4430 HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='MUX_UL00' 9"
+ cset "name='MUX_UL01' 10"
+ cset "name='Capture Volume' 4"
+ ]
+
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='MUX_UL00' 0"
+ cset "name='MUX_UL01' 0"
+ cset "name='Capture Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ CapturePCM "hw:0,0"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "SDP4430 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='Analog Left Capture Route' 2"
+ cset "name='Analog Right Capture Route' 2"
+ cset "name='Capture Preamplifier Volume' 2"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ ]
+}
+
diff --git a/src/conf/ucm/SDP4430/Makefile.am b/src/conf/ucm/SDP4430/Makefile.am
new file mode 100644
index 0000000..ca8340d
--- /dev/null
+++ b/src/conf/ucm/SDP4430/Makefile.am
@@ -0,0 +1,4 @@
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+ucmdir = $(alsaconfigdir)/ucm/SDP4430
+ucm_DATA = FMAnalog hifi hifiLP record SDP4430.conf voice voiceCall
+EXTRA_DIST = $(ucm_DATA)
diff --git a/src/conf/ucm/SDP4430/Makefile.in b/src/conf/ucm/SDP4430/Makefile.in
new file mode 100644
index 0000000..1a81a07
--- /dev/null
+++ b/src/conf/ucm/SDP4430/Makefile.in
@@ -0,0 +1,464 @@
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+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-ucmDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+ distclean distclean-generic distclean-libtool distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
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+ install-pdf-am install-ps install-ps-am install-strip \
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+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ uninstall uninstall-am uninstall-ucmDATA
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/conf/ucm/SDP4430/SDP4430.conf b/src/conf/ucm/SDP4430/SDP4430.conf
new file mode 100644
index 0000000..2fa2ab8
--- /dev/null
+++ b/src/conf/ucm/SDP4430/SDP4430.conf
@@ -0,0 +1,45 @@
+# UCM configuration for SDP4430
+SectionUseCase."Record" {
+ File "record"
+ Comment "Record."
+}
+
+SectionUseCase."HiFi" {
+ File "hifi"
+ Comment "Play HiFi quality Music."
+}
+
+SectionUseCase."HiFi_Low_Power" {
+ File "hifiLP"
+ Comment "Play HiFi quality Music in Low Power Mode."
+}
+
+SectionUseCase."Voice" {
+ File "voice"
+ Comment "Playback Voice quality."
+}
+
+SectionUseCase."Voice_Low_Power" {
+ File "voice"
+ Comment "Playback Voice quality in Low Power Mode."
+}
+
+SectionUseCase."Voice_Call" {
+ File "voiceCall"
+ Comment "Capture and Playback in Voice quality."
+}
+
+SectionUseCase."Voice_Call_IP" {
+ File "voiceCall"
+ Comment "Capture and Playback in Voice quality."
+}
+
+SectionUseCase."FM_Analog_Radio" {
+ File "FMAnalog"
+ Comment "Capture FM Analog Radio."
+}
+
+SectionDefaults [
+ cdev "hw:SDP4430"
+ exec "echo Im setting defaults"
+]
diff --git a/src/conf/ucm/SDP4430/hifi b/src/conf/ucm/SDP4430/hifi
new file mode 100644
index 0000000..a3293c5
--- /dev/null
+++ b/src/conf/ucm/SDP4430/hifi
@@ -0,0 +1,83 @@
+# Use case Configuration for TI SDP4430 HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='DL1 Mixer Multimedia' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Media Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+
+ cset "name='HS Left Playback' 1"
+ cset "name='HS Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='DL1 Mixer Multimedia' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Media Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+
+ cset "name='HS Right Playback' 0"
+ cset "name='HS Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+# Value {
+# TQ "Music"
+# PlaybackPCM "hw:0,0"
+# PlaybackVolume "name='DL1 Media Playback Volume' 90,90"
+# PlaybackSwitch "name='DL1 PDM Switch' 1"
+# }
+}
+
+SectionDevice."Headset".0 {
+ Comment "SDP4430 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='HS Left Playback' 1"
+ cset "name='HS Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='HS Right Playback' 0"
+ cset "name='HS Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
+
+#SectionModifier."RecordMedia".0 {
+# SupportedDevice [
+# "Headset"
+# ]
+ # EnableSequence [
+ # ....
+ # ]
+ #
+ # DisableSequence [
+ # ...
+ # ]
+ #
+ # TransitionSequence."ToModifierName" [
+ # ...
+ # ]
+ #
+ # # Optional TQ and ALSA PCMs
+ # Value {
+ # TQ Voice
+ # CapturePCM "hw:1"
+ # PlaybackVolume "name='Master Playback Volume',index=2"
+ # PlaybackSwitch "name='Master Playback Switch',index=2"
+ # }
+#
+#}
+
diff --git a/src/conf/ucm/SDP4430/hifiLP b/src/conf/ucm/SDP4430/hifiLP
new file mode 100644
index 0000000..ccf3d87
--- /dev/null
+++ b/src/conf/ucm/SDP4430/hifiLP
@@ -0,0 +1,46 @@
+# Use case Configuration for TI SDP4430 HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='DL1 Mixer Multimedia' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Media Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='DL1 Mixer Multimedia' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Media Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ PlaybackPCM "hw:0,6"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "SDP4430 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='HS Left Playback' 1"
+ cset "name='HS Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='HS Right Playback' 0"
+ cset "name='HS Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/SDP4430/record b/src/conf/ucm/SDP4430/record
new file mode 100644
index 0000000..d680f25
--- /dev/null
+++ b/src/conf/ucm/SDP4430/record
@@ -0,0 +1,45 @@
+# Use case Configuration for TI SDP4430 HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='MUX_UL00' 9"
+ cset "name='MUX_UL01' 10"
+ cset "name='Capture Volume' 4"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='MUX_UL00' 0"
+ cset "name='MUX_UL01' 0"
+ cset "name='Capture Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Music"
+ CapturePCM "hw:0,0"
+ }
+
+}
+
+SectionDevice."Headset".0 {
+ Comment "SDP4430 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='Analog Left Capture Route' 0"
+ cset "name='Analog Right Capture Route' 0"
+ cset "name='Capture Preamplifier Volume' 2"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/SDP4430/voice b/src/conf/ucm/SDP4430/voice
new file mode 100644
index 0000000..8bea89c
--- /dev/null
+++ b/src/conf/ucm/SDP4430/voice
@@ -0,0 +1,46 @@
+# Use case Configuration for TI SDP4430 HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='DL1 Mixer Voice' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Voice Playback Volume' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='DL1 Mixer Voice' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Voice"
+ PlaybackPCM "hw:0,2"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "SDP4430 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='HS Left Playback' 1"
+ cset "name='HS Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='HS Right Playback' 0"
+ cset "name='HS Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
diff --git a/src/conf/ucm/SDP4430/voiceCall b/src/conf/ucm/SDP4430/voiceCall
new file mode 100644
index 0000000..4c06106
--- /dev/null
+++ b/src/conf/ucm/SDP4430/voiceCall
@@ -0,0 +1,67 @@
+# Use case Configuration for TI SDP4430 HiFi Music
+# By Liam Girdwood <lrg@slimlogic.co.uk>
+
+SectionVerb {
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='AMIC_UL PDM Switch' 1"
+ cset "name='Sidetone Mixer Capture' 1"
+ cset "name='MUX_VX0' 9"
+ cset "name='MUX_VX1' 10"
+ cset "name='DL1 Mixer Voice' 1"
+ cset "name='Sidetone Mixer Playback' 1"
+ cset "name='DL1 PDM Switch' 1"
+ cset "name='DL1 Voice Playback Volume' 90,90"
+ cset "name='Capture Volume' 4"
+ cset "name='Capture Mixer Voice Capture' 90,90"
+ cset "name='SDT DL Volume' 120"
+ ]
+
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='AMIC_UL PDM Switch' 0"
+ cset "name='Sidetone Mixer Capture' 0"
+ cset "name='MUX_VX0' 0"
+ cset "name='MUX_VX1' 0"
+ cset "name='DL1 Mixer Voice' 0"
+ cset "name='Sidetone Mixer Playback' 0"
+ cset "name='DL1 PDM Switch' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='Capture Volume' 0"
+ cset "name='DL1 Voice Playback Volume' 0,0"
+ cset "name='SDT DL Volume' 0"
+ ]
+
+ # Optional TQ and ALSA PCMs
+ Value {
+ TQ "Voice"
+ CapturePCM "hw:0,2"
+ PlaybackPCM "hw:0,2"
+ }
+}
+
+SectionDevice."Headset".0 {
+ Comment "SDP4430 3.5mm Headset"
+
+ EnableSequence [
+ cdev "hw:SDP4430"
+ cset "name='Analog Left Capture Route' 0"
+ cset "name='Analog Right Capture Route' 0"
+ cset "name='Capture Preamplifier Volume' 2"
+ cset "name='HS Left Playback' 1"
+ cset "name='HS Right Playback' 1"
+ cset "name='Headset Playback Volume' 13"
+ ]
+
+ DisableSequence [
+ cdev "hw:SDP4430"
+ cset "name='Analog Left Capture Route' 3"
+ cset "name='Analog Right Capture Route' 3"
+ cset "name='Capture Preamplifier Volume' 0"
+ cset "name='HS Right Playback' 0"
+ cset "name='HS Left Playback' 0"
+ cset "name='Headset Playback Volume' 0"
+ ]
+}
+
diff --git a/src/conf/ucm/tegraalc5632/Makefile.am b/src/conf/ucm/tegraalc5632/Makefile.am
new file mode 100644
index 0000000..c0f451e
--- /dev/null
+++ b/src/conf/ucm/tegraalc5632/Makefile.am
@@ -0,0 +1,4 @@
+alsaconfigdir = @ALSA_CONFIG_DIR@
+ucmdir = $(alsaconfigdir)/ucm/tegraalc5632
+ucm_DATA = tegraalc5632.conf
+EXTRA_DIST = $(ucm_DATA)
diff --git a/src/conf/ucm/tegraalc5632/Makefile.in b/src/conf/ucm/tegraalc5632/Makefile.in
new file mode 100644
index 0000000..7334d1d
--- /dev/null
+++ b/src/conf/ucm/tegraalc5632/Makefile.in
@@ -0,0 +1,464 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
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+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/conf/ucm/tegraalc5632/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
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+
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+ -rm -rf .libs _libs
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+ @$(NORMAL_INSTALL)
+ @list='$(ucm_DATA)'; test -n "$(ucmdir)" || list=; \
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+
+uninstall-ucmDATA:
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+tags: TAGS
+TAGS:
+
+ctags: CTAGS
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+
+cscope cscopelist:
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+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ fi
+mostlyclean-generic:
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+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
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+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/conf/ucm/tegraalc5632/tegraalc5632.conf b/src/conf/ucm/tegraalc5632/tegraalc5632.conf
new file mode 100644
index 0000000..958fade
--- /dev/null
+++ b/src/conf/ucm/tegraalc5632/tegraalc5632.conf
@@ -0,0 +1,30 @@
+# UCM configuration for tegra-alc5632
+
+ValueDefaults {
+ PlaybackCTL "hw:0"
+ CaptureCTL "hw:0"
+}
+
+SectionDefaults [
+ exec "echo Im setting defaults for tegra-alc5632"
+ cdev "hw:tegraalc5632"
+ cset "name='Master Playback Switch' on"
+ cset "name='Master Playback Volume' 44,44"
+ cset "name='Headphone Playback Switch' on"
+ cset "name='Headphone Playback Volume' 21,21"
+ cset "name='Speaker Playback Switch' on"
+ cset "name='Speaker Playback Volume' 21,21"
+ cset "name='Speaker Mix DAC2SPK Playback Switch' on"
+ cset "name='SpeakerOut Mux' 2"
+ cset "name='SpeakerOut N Mux' LN/-R"
+ cset "name='AB-D Amp Mux' 0"
+ cset "name='HPL Mix DACL2HP Playback Switch' on"
+ cset "name='HPR Mix DACR2HP Playback Switch' on"
+ cset "name='Int Spk Switch' on"
+ cset "name='Left Headphone Mux' 1"
+ cset "name='Right Headphone Mux' 1"
+ cset "name='DMIC En Capture Switch' on"
+ cset "name='DMIC PreFilter Capture Switch' on"
+ cset "name='DMIC Boost Capture Volume' 4"
+ cset "name='Rec Capture Volume' 24"
+]
diff --git a/src/confmisc.c b/src/confmisc.c
new file mode 100644
index 0000000..af686be
--- /dev/null
+++ b/src/confmisc.c
@@ -0,0 +1,1304 @@
+/**
+ * \file confmisc.c
+ * \ingroup Configuration
+ * \brief Configuration helper functions
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ *
+ * Configuration helper functions.
+ *
+ * See the \ref conffunc page for more details.
+ */
+/*
+ * Miscellaneous configuration helper functions
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>,
+ * Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page conffunc
+
+\section conffunc_ref Function reference
+
+<UL>
+ <LI>The getenv function - snd_func_getenv() - obtains
+ an environment value. The result is a string.
+ <LI>The igetenv function - snd_func_igetenv() - obtains
+ an environment value. The result is an integer.
+ <LI>The concat function - snd_func_concat() - merges all specified
+ strings. The result is a string.
+ <LI>The iadd function - snd_func_iadd() - sum all specified integers.
+ The result is an integer.
+ <LI>The imul function - snd_func_imul() - multiply all specified integers.
+ The result is an integer.
+ <LI>The datadir function - snd_func_datadir() - returns the
+ ALSA data directory. The result is a string.
+ <LI>The refer function - snd_func_refer() - copies the referred
+ configuration. The result has the same type as the referred node.
+ <LI>The card_inum function - snd_func_card_inum() - returns
+ a card number (integers).
+ <LI>The card_driver function - snd_func_card_driver() - returns
+ a driver identification. The result is a string.
+ <LI>The card_id function - snd_func_card_id() - returns
+ a card identification. The result is a string.
+ <LI>The card_name function - snd_func_card_name() - returns
+ a card's name. The result is a string.
+ <LI>The pcm_id function - snd_func_pcm_id() - returns
+ a pcm identification. The result is a string.
+ <LI>The private_string function - snd_func_private_string() - returns the
+ string from the private_data node.
+ <LI>The private_card_driver function - snd_func_private_card_driver() -
+ returns the driver identification from the private_data node.
+ The result is a string.
+ <LI>The private_pcm_subdevice function - snd_func_private_pcm_subdevice() -
+ returns the PCM subdevice number from the private_data node.
+ The result is a string.
+</UL>
+
+*/
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "local.h"
+
+/**
+ * \brief Gets the boolean value from the given ASCII string.
+ * \param ascii The string to be parsed.
+ * \return 0 or 1 if successful, otherwise a negative error code.
+ */
+int snd_config_get_bool_ascii(const char *ascii)
+{
+ unsigned int k;
+ static const struct {
+ const char str[8];
+ int val;
+ } b[] = {
+ { "0", 0 },
+ { "1", 1 },
+ { "false", 0 },
+ { "true", 1 },
+ { "no", 0 },
+ { "yes", 1 },
+ { "off", 0 },
+ { "on", 1 },
+ };
+ for (k = 0; k < sizeof(b) / sizeof(*b); k++) {
+ if (strcasecmp(b[k].str, ascii) == 0)
+ return b[k].val;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief Gets the boolean value from a configuration node.
+ * \param conf Handle to the configuration node to be parsed.
+ * \return 0 or 1 if successful, otherwise a negative error code.
+ */
+int snd_config_get_bool(const snd_config_t *conf)
+{
+ long v;
+ const char *str, *id;
+ int err;
+
+ err = snd_config_get_id(conf, &id);
+ if (err < 0)
+ return err;
+ err = snd_config_get_integer(conf, &v);
+ if (err >= 0) {
+ if (v < 0 || v > 1) {
+ _invalid_value:
+ SNDERR("Invalid value for %s", id);
+ return -EINVAL;
+ }
+ return v;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ err = snd_config_get_bool_ascii(str);
+ if (err < 0)
+ goto _invalid_value;
+ return err;
+}
+
+/**
+ * \brief Gets the control interface index from the given ASCII string.
+ * \param ascii The string to be parsed.
+ * \return The control interface index if successful, otherwise a negative error code.
+ */
+int snd_config_get_ctl_iface_ascii(const char *ascii)
+{
+ long v;
+ snd_ctl_elem_iface_t idx;
+ if (isdigit(ascii[0])) {
+ if (safe_strtol(ascii, &v) >= 0) {
+ if (v < 0 || v > SND_CTL_ELEM_IFACE_LAST)
+ return -EINVAL;
+ return v;
+ }
+ }
+ for (idx = 0; idx <= SND_CTL_ELEM_IFACE_LAST; idx++) {
+ if (strcasecmp(snd_ctl_elem_iface_name(idx), ascii) == 0)
+ return idx;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief Gets the control interface index from a configuration node.
+ * \param conf Handle to the configuration node to be parsed.
+ * \return The control interface index if successful, otherwise a negative error code.
+ */
+int snd_config_get_ctl_iface(const snd_config_t *conf)
+{
+ long v;
+ const char *str, *id;
+ int err;
+
+ err = snd_config_get_id(conf, &id);
+ if (err < 0)
+ return err;
+ err = snd_config_get_integer(conf, &v);
+ if (err >= 0) {
+ if (v < 0 || v > SND_CTL_ELEM_IFACE_LAST) {
+ _invalid_value:
+ SNDERR("Invalid value for %s", id);
+ return -EINVAL;
+ }
+ return v;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ err = snd_config_get_ctl_iface_ascii(str);
+ if (err < 0)
+ goto _invalid_value;
+ return err;
+}
+
+/*
+ * Helper functions for the configuration file
+ */
+
+/**
+ * \brief Returns an environment value.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with definitions for \c vars and
+ * \c default.
+ * \param private_data Handle to the \c private_data node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func getenv
+ vars [ MY_CARD CARD C ]
+ default 0
+ }
+\endcode
+ */
+int snd_func_getenv(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ snd_config_t *n, *d;
+ snd_config_iterator_t i, next;
+ const char *res, *id;
+ char *def = NULL;
+ int idx = 0, err, hit;
+
+ err = snd_config_search(src, "vars", &n);
+ if (err < 0) {
+ SNDERR("field vars not found");
+ goto __error;
+ }
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating vars");
+ goto __error;
+ }
+ err = snd_config_search(src, "default", &d);
+ if (err < 0) {
+ SNDERR("field default not found");
+ goto __error;
+ }
+ err = snd_config_evaluate(d, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating default");
+ goto __error;
+ }
+ err = snd_config_get_ascii(d, &def);
+ if (err < 0) {
+ SNDERR("error getting field default");
+ goto __error;
+ }
+ do {
+ hit = 0;
+ snd_config_for_each(i, next, n) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *ptr;
+ long i;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_STRING) {
+ SNDERR("field %s is not a string", id);
+ err = -EINVAL;
+ goto __error;
+ }
+ err = safe_strtol(id, &i);
+ if (err < 0) {
+ SNDERR("id of field %s is not an integer", id);
+ err = -EINVAL;
+ goto __error;
+ }
+ if (i == idx) {
+ idx++;
+ err = snd_config_get_string(n, &ptr);
+ if (err < 0) {
+ SNDERR("invalid string for id %s", id);
+ err = -EINVAL;
+ goto __error;
+ }
+ res = getenv(ptr);
+ if (res != NULL && *res != '\0')
+ goto __ok;
+ hit = 1;
+ }
+ }
+ } while (hit);
+ res = def;
+ __ok:
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_string(dst, id, res);
+ __error:
+ free(def);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_getenv, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Returns an integer environment value.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type integer) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with definitions for \c vars and
+ * \c default.
+ * \param private_data Handle to the \c private_data node.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func igetenv
+ vars [ MY_DEVICE DEVICE D ]
+ default 0
+ }
+\endcode
+ */
+int snd_func_igetenv(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ snd_config_t *d;
+ const char *str, *id;
+ int err;
+ long v;
+
+ err = snd_func_getenv(&d, root, src, private_data);
+ if (err < 0)
+ return err;
+ err = snd_config_get_string(d, &str);
+ if (err < 0) {
+ snd_config_delete(d);
+ return err;
+ }
+ err = safe_strtol(str, &v);
+ if (err < 0) {
+ snd_config_delete(d);
+ return err;
+ }
+ snd_config_delete(d);
+ err = snd_config_get_id(src, &id);
+ if (err < 0)
+ return err;
+ err = snd_config_imake_integer(dst, id, v);
+ if (err < 0)
+ return err;
+ return 0;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_igetenv, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Merges the given strings.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with a definition for \c strings.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example (result is "a1b2c3"):
+\code
+ {
+ @func concat
+ strings [ "a1" "b2" "c3" ]
+ }
+\endcode
+ */
+int snd_func_concat(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ snd_config_t *n;
+ snd_config_iterator_t i, next;
+ const char *id;
+ char *res = NULL, *tmp;
+ int idx = 0, len = 0, len1, err, hit;
+
+ err = snd_config_search(src, "strings", &n);
+ if (err < 0) {
+ SNDERR("field strings not found");
+ goto __error;
+ }
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating strings");
+ goto __error;
+ }
+ do {
+ hit = 0;
+ snd_config_for_each(i, next, n) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ char *ptr;
+ const char *id;
+ long i;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &i);
+ if (err < 0) {
+ SNDERR("id of field %s is not an integer", id);
+ err = -EINVAL;
+ goto __error;
+ }
+ if (i == idx) {
+ idx++;
+ err = snd_config_get_ascii(n, &ptr);
+ if (err < 0) {
+ SNDERR("invalid ascii string for id %s", id);
+ err = -EINVAL;
+ goto __error;
+ }
+ len1 = strlen(ptr);
+ tmp = realloc(res, len + len1 + 1);
+ if (tmp == NULL) {
+ free(ptr);
+ free(res);
+ err = -ENOMEM;
+ goto __error;
+ }
+ memcpy(tmp + len, ptr, len1);
+ free(ptr);
+ len += len1;
+ tmp[len] = '\0';
+ res = tmp;
+ hit = 1;
+ }
+ }
+ } while (hit);
+ if (res == NULL) {
+ SNDERR("empty string is not accepted");
+ err = -EINVAL;
+ goto __error;
+ }
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_string(dst, id, res);
+ free(res);
+ __error:
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_concat, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+
+static int snd_func_iops(snd_config_t **dst,
+ snd_config_t *root,
+ snd_config_t *src,
+ snd_config_t *private_data,
+ int op)
+{
+ snd_config_t *n;
+ snd_config_iterator_t i, next;
+ const char *id;
+ char *res = NULL;
+ long result = 0, val;
+ int idx = 0, err, hit;
+
+ err = snd_config_search(src, "integers", &n);
+ if (err < 0) {
+ SNDERR("field integers not found");
+ goto __error;
+ }
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating integers");
+ goto __error;
+ }
+ do {
+ hit = 0;
+ snd_config_for_each(i, next, n) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ long i;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &i);
+ if (err < 0) {
+ SNDERR("id of field %s is not an integer", id);
+ err = -EINVAL;
+ goto __error;
+ }
+ if (i == idx) {
+ idx++;
+ err = snd_config_get_integer(n, &val);
+ if (err < 0) {
+ SNDERR("invalid integer for id %s", id);
+ err = -EINVAL;
+ goto __error;
+ }
+ switch (op) {
+ case 0: result += val; break;
+ case 1: result *= val; break;
+ }
+ hit = 1;
+ }
+ }
+ } while (hit);
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_integer(dst, id, result);
+ free(res);
+ __error:
+ return err;
+}
+
+
+/**
+ * \brief Sum the given integers.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type integer) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with a definition for \c integers.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example (result is 10):
+\code
+ {
+ @func iadd
+ integers [ 2 3 5 ]
+ }
+\endcode
+ */
+int snd_func_iadd(snd_config_t **dst, snd_config_t *root,
+ snd_config_t *src, snd_config_t *private_data)
+{
+ return snd_func_iops(dst, root, src, private_data, 0);
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_iadd, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Multiply the given integers.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type integer) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with a definition for \c integers.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example (result is 12):
+\code
+ {
+ @func imul
+ integers [ 2 3 2 ]
+ }
+\endcode
+ */
+int snd_func_imul(snd_config_t **dst, snd_config_t *root,
+ snd_config_t *src, snd_config_t *private_data)
+{
+ return snd_func_iops(dst, root, src, private_data, 1);
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_imul, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Returns the ALSA data directory.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node.
+ * \param private_data Handle to the \c private_data node. Not used.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example (result is "/usr/share/alsa" using the default paths):
+\code
+ {
+ @func datadir
+ }
+\endcode
+ */
+int snd_func_datadir(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *src, snd_config_t *private_data ATTRIBUTE_UNUSED)
+{
+ int err;
+ const char *id;
+
+ err = snd_config_get_id(src, &id);
+ if (err < 0)
+ return err;
+ return snd_config_imake_string(dst, id, ALSA_CONFIG_DIR);
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_datadir, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+static int open_ctl(long card, snd_ctl_t **ctl)
+{
+ char name[16];
+ snprintf(name, sizeof(name), "hw:%li", card);
+ name[sizeof(name)-1] = '\0';
+ return snd_ctl_open(ctl, name, 0);
+}
+
+#if 0
+static int string_from_integer(char **dst, long v)
+{
+ char str[32];
+ char *res;
+ sprintf(str, "%li", v);
+ res = strdup(str);
+ if (res == NULL)
+ return -ENOMEM;
+ *dst = res;
+ return 0;
+}
+#endif
+
+/**
+ * \brief Returns the string from \c private_data.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node.
+ * \param private_data Handle to the \c private_data node (type string,
+ * id "string").
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func private_string
+ }
+\endcode
+ */
+int snd_func_private_string(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *src, snd_config_t *private_data)
+{
+ int err;
+ const char *str, *id;
+
+ if (private_data == NULL)
+ return snd_config_copy(dst, src);
+ err = snd_config_test_id(private_data, "string");
+ if (err) {
+ SNDERR("field string not found");
+ return -EINVAL;
+ }
+ err = snd_config_get_string(private_data, &str);
+ if (err < 0) {
+ SNDERR("field string is not a string");
+ return err;
+ }
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_string(dst, id, str);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_private_string, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+#ifndef DOC_HIDDEN
+int snd_determine_driver(int card, char **driver)
+{
+ snd_ctl_t *ctl = NULL;
+ snd_ctl_card_info_t *info;
+ char *res = NULL;
+ int err;
+
+ assert(card >= 0 && card <= SND_MAX_CARDS);
+ err = open_ctl(card, &ctl);
+ if (err < 0) {
+ SNDERR("could not open control for card %i", card);
+ goto __error;
+ }
+ snd_ctl_card_info_alloca(&info);
+ err = snd_ctl_card_info(ctl, info);
+ if (err < 0) {
+ SNDERR("snd_ctl_card_info error: %s", snd_strerror(err));
+ goto __error;
+ }
+ res = strdup(snd_ctl_card_info_get_driver(info));
+ if (res == NULL)
+ err = -ENOMEM;
+ else {
+ *driver = res;
+ err = 0;
+ }
+ __error:
+ if (ctl)
+ snd_ctl_close(ctl);
+ return err;
+}
+#endif
+
+/**
+ * \brief Returns the driver identification from \c private_data.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node.
+ * \param private_data Handle to the \c private_data node (type integer,
+ * id "card").
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func private_card_driver
+ }
+\endcode
+ */
+int snd_func_private_card_driver(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ char *driver;
+ const char *id;
+ int err;
+ long card;
+
+ err = snd_config_test_id(private_data, "card");
+ if (err) {
+ SNDERR("field card not found");
+ return -EINVAL;
+ }
+ err = snd_config_get_integer(private_data, &card);
+ if (err < 0) {
+ SNDERR("field card is not an integer");
+ return err;
+ }
+ if ((err = snd_determine_driver(card, &driver)) < 0)
+ return err;
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_string(dst, id, driver);
+ free(driver);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_private_card_driver, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+static int parse_card(snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ snd_config_t *n;
+ char *str;
+ int card, err;
+
+ err = snd_config_search(src, "card", &n);
+ if (err < 0) {
+ SNDERR("field card not found");
+ return err;
+ }
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating card");
+ return err;
+ }
+ err = snd_config_get_ascii(n, &str);
+ if (err < 0) {
+ SNDERR("field card is not an integer or a string");
+ return err;
+ }
+ card = snd_card_get_index(str);
+ if (card < 0)
+ SNDERR("cannot find card '%s'", str);
+ free(str);
+ return card;
+}
+
+/**
+ * \brief Returns the card number as integer.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with a \c card definition.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func card_inum
+ card '0'
+ }
+\endcode
+ */
+int snd_func_card_inum(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ const char *id;
+ int card, err;
+
+ card = parse_card(root, src, private_data);
+ if (card < 0)
+ return card;
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_integer(dst, id, card);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_card_inum, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Returns the driver identification for a card.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with a \c card definition.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func card_driver
+ card 0
+ }
+\endcode
+ */
+int snd_func_card_driver(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ snd_config_t *val;
+ int card, err;
+
+ card = parse_card(root, src, private_data);
+ if (card < 0)
+ return card;
+ err = snd_config_imake_integer(&val, "card", card);
+ if (err < 0)
+ return err;
+ err = snd_func_private_card_driver(dst, root, src, val);
+ snd_config_delete(val);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_card_driver, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Returns the identification of a card.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with a \c card definition.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func card_id
+ card 0
+ }
+\endcode
+ */
+int snd_func_card_id(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ snd_ctl_t *ctl = NULL;
+ snd_ctl_card_info_t *info;
+ const char *id;
+ int card, err;
+
+ card = parse_card(root, src, private_data);
+ if (card < 0)
+ return card;
+ err = open_ctl(card, &ctl);
+ if (err < 0) {
+ SNDERR("could not open control for card %i", card);
+ goto __error;
+ }
+ snd_ctl_card_info_alloca(&info);
+ err = snd_ctl_card_info(ctl, info);
+ if (err < 0) {
+ SNDERR("snd_ctl_card_info error: %s", snd_strerror(err));
+ goto __error;
+ }
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_string(dst, id,
+ snd_ctl_card_info_get_id(info));
+ __error:
+ if (ctl)
+ snd_ctl_close(ctl);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_card_id, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Returns the name of a card.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with a \c card definition.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func card_name
+ card 0
+ }
+\endcode
+ */
+int snd_func_card_name(snd_config_t **dst, snd_config_t *root,
+ snd_config_t *src, snd_config_t *private_data)
+{
+ snd_ctl_t *ctl = NULL;
+ snd_ctl_card_info_t *info;
+ const char *id;
+ int card, err;
+
+ card = parse_card(root, src, private_data);
+ if (card < 0)
+ return card;
+ err = open_ctl(card, &ctl);
+ if (err < 0) {
+ SNDERR("could not open control for card %i", card);
+ goto __error;
+ }
+ snd_ctl_card_info_alloca(&info);
+ err = snd_ctl_card_info(ctl, info);
+ if (err < 0) {
+ SNDERR("snd_ctl_card_info error: %s", snd_strerror(err));
+ goto __error;
+ }
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_string(dst, id,
+ snd_ctl_card_info_get_name(info));
+ __error:
+ if (ctl)
+ snd_ctl_close(ctl);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_card_name, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+#ifdef BUILD_PCM
+
+/**
+ * \brief Returns the pcm identification of a device.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with definitions for \c card,
+ * \c device and (optionally) \c subdevice.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func pcm_id
+ card 0
+ device 0
+ subdevice 0 # optional
+ }
+\endcode
+ */
+int snd_func_pcm_id(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
+{
+ snd_config_t *n;
+ snd_ctl_t *ctl = NULL;
+ snd_pcm_info_t *info;
+ const char *id;
+ long card, device, subdevice = 0;
+ int err;
+
+ card = parse_card(root, src, private_data);
+ if (card < 0)
+ return card;
+ err = snd_config_search(src, "device", &n);
+ if (err < 0) {
+ SNDERR("field device not found");
+ goto __error;
+ }
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating device");
+ goto __error;
+ }
+ err = snd_config_get_integer(n, &device);
+ if (err < 0) {
+ SNDERR("field device is not an integer");
+ goto __error;
+ }
+ if (snd_config_search(src, "subdevice", &n) >= 0) {
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating subdevice");
+ goto __error;
+ }
+ err = snd_config_get_integer(n, &subdevice);
+ if (err < 0) {
+ SNDERR("field subdevice is not an integer");
+ goto __error;
+ }
+ }
+ err = open_ctl(card, &ctl);
+ if (err < 0) {
+ SNDERR("could not open control for card %li", card);
+ goto __error;
+ }
+ snd_pcm_info_alloca(&info);
+ snd_pcm_info_set_device(info, device);
+ snd_pcm_info_set_subdevice(info, subdevice);
+ err = snd_ctl_pcm_info(ctl, info);
+ if (err < 0) {
+ SNDERR("snd_ctl_pcm_info error: %s", snd_strerror(err));
+ goto __error;
+ }
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_string(dst, id, snd_pcm_info_get_id(info));
+ __error:
+ if (ctl)
+ snd_ctl_close(ctl);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_pcm_id, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Returns the pcm card and device arguments (in form CARD=N,DEV=M)
+ * for pcm specified by class and index.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type string) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with definitions for \c class
+ * and \c index.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func pcm_args_by_class
+ class 0
+ index 0
+ }
+\endcode
+ */
+int snd_func_pcm_args_by_class(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
+{
+ snd_config_t *n;
+ snd_ctl_t *ctl = NULL;
+ snd_pcm_info_t *info;
+ const char *id;
+ int card = -1, dev;
+ long class, index;
+ int idx = 0;
+ int err;
+
+ err = snd_config_search(src, "class", &n);
+ if (err < 0) {
+ SNDERR("field class not found");
+ goto __out;
+ }
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating class");
+ goto __out;
+ }
+ err = snd_config_get_integer(n, &class);
+ if (err < 0) {
+ SNDERR("field class is not an integer");
+ goto __out;
+ }
+ err = snd_config_search(src, "index", &n);
+ if (err < 0) {
+ SNDERR("field index not found");
+ goto __out;
+ }
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating index");
+ goto __out;
+ }
+ err = snd_config_get_integer(n, &index);
+ if (err < 0) {
+ SNDERR("field index is not an integer");
+ goto __out;
+ }
+
+ snd_pcm_info_alloca(&info);
+ while(1) {
+ err = snd_card_next(&card);
+ if (err < 0) {
+ SNDERR("could not get next card");
+ goto __out;
+ }
+ if (card < 0)
+ break;
+ err = open_ctl(card, &ctl);
+ if (err < 0) {
+ SNDERR("could not open control for card %i", card);
+ goto __out;
+ }
+ dev = -1;
+ memset(info, 0, snd_pcm_info_sizeof());
+ while(1) {
+ err = snd_ctl_pcm_next_device(ctl, &dev);
+ if (err < 0) {
+ SNDERR("could not get next pcm for card %i", card);
+ goto __out;
+ }
+ if (dev < 0)
+ break;
+ snd_pcm_info_set_device(info, dev);
+ err = snd_ctl_pcm_info(ctl, info);
+ if (err < 0)
+ continue;
+ if (snd_pcm_info_get_class(info) == (snd_pcm_class_t)class &&
+ index == idx++)
+ goto __out;
+ }
+ snd_ctl_close(ctl);
+ ctl = NULL;
+ }
+ err = -ENODEV;
+
+ __out:
+ if (ctl)
+ snd_ctl_close(ctl);
+ if (err < 0)
+ return err;
+ if((err = snd_config_get_id(src, &id)) >= 0) {
+ char name[32];
+ snprintf(name, sizeof(name), "CARD=%i,DEV=%i", card, dev);
+ err = snd_config_imake_string(dst, id, name);
+ }
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_pcm_args_by_class, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+/**
+ * \brief Returns the PCM subdevice from \c private_data.
+ * \param dst The function puts the handle to the result configuration node
+ * (with type integer) at the address specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node.
+ * \param private_data Handle to the \c private_data node (type pointer,
+ * id "pcm_handle").
+ * \return A non-negative value if successful, otherwise a negative error code.
+ *
+ * Example:
+\code
+ {
+ @func private_pcm_subdevice
+ }
+\endcode
+ */
+int snd_func_private_pcm_subdevice(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *src, snd_config_t *private_data)
+{
+ snd_pcm_info_t *info;
+ const char *id;
+ const void *data;
+ snd_pcm_t *pcm;
+ int err;
+
+ if (private_data == NULL)
+ return snd_config_copy(dst, src);
+ err = snd_config_test_id(private_data, "pcm_handle");
+ if (err) {
+ SNDERR("field pcm_handle not found");
+ return -EINVAL;
+ }
+ err = snd_config_get_pointer(private_data, &data);
+ pcm = (snd_pcm_t *)data;
+ if (err < 0) {
+ SNDERR("field pcm_handle is not a pointer");
+ return err;
+ }
+ snd_pcm_info_alloca(&info);
+ err = snd_pcm_info(pcm, info);
+ if (err < 0) {
+ SNDERR("snd_ctl_pcm_info error: %s", snd_strerror(err));
+ return err;
+ }
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_imake_integer(dst, id, snd_pcm_info_get_subdevice(info));
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_private_pcm_subdevice, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
+
+#endif /* BUILD_PCM */
+
+/**
+ * \brief Copies the specified configuration node.
+ * \param dst The function puts the handle to the result configuration node
+ * (with the same type as the specified node) at the address
+ * specified by \p dst.
+ * \param root Handle to the root source node.
+ * \param src Handle to the source node, with definitions for \c name and
+ * (optionally) \c file.
+ * \param private_data Handle to the \c private_data node.
+ * \return A non-negative value if successful, otherwise a negative error code.
+ * \note The root source node can be modified!
+ *
+ * Example:
+\code
+ {
+ @func refer
+ file "/etc/myconf.conf" # optional
+ name "id1.id2.id3"
+ }
+\endcode
+ */
+int snd_func_refer(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
+ snd_config_t *private_data)
+{
+ snd_config_t *n;
+ const char *file = NULL, *name = NULL;
+ int err;
+
+ err = snd_config_search(src, "file", &n);
+ if (err >= 0) {
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating file");
+ goto _end;
+ }
+ err = snd_config_get_string(n, &file);
+ if (err < 0) {
+ SNDERR("file is not a string");
+ goto _end;
+ }
+ }
+ err = snd_config_search(src, "name", &n);
+ if (err >= 0) {
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0) {
+ SNDERR("error evaluating name");
+ goto _end;
+ }
+ err = snd_config_get_string(n, &name);
+ if (err < 0) {
+ SNDERR("name is not a string");
+ goto _end;
+ }
+ }
+ if (!name) {
+ err = -EINVAL;
+ SNDERR("name is not specified");
+ goto _end;
+ }
+ if (file) {
+ snd_input_t *input;
+ err = snd_input_stdio_open(&input, file, "r");
+ if (err < 0) {
+ SNDERR("Unable to open file %s: %s", file, snd_strerror(err));
+ goto _end;
+ }
+ err = snd_config_load(root, input);
+ snd_input_close(input);
+ if (err < 0)
+ goto _end;
+ }
+ err = snd_config_search_definition(root, NULL, name, dst);
+ if (err >= 0) {
+ const char *id;
+ err = snd_config_get_id(src, &id);
+ if (err >= 0)
+ err = snd_config_set_id(*dst, id);
+ } else {
+ err = snd_config_search(src, "default", &n);
+ if (err < 0)
+ SNDERR("Unable to find definition '%s'", name);
+ else {
+ const char *id;
+ err = snd_config_evaluate(n, root, private_data, NULL);
+ if (err < 0)
+ return err;
+ if ((err = snd_config_copy(dst, n)) >= 0) {
+ if ((err = snd_config_get_id(src, &id)) < 0 ||
+ (err = snd_config_set_id(*dst, id)) < 0)
+ snd_config_delete(*dst);
+ }
+ }
+ }
+ _end:
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(snd_func_refer, SND_CONFIG_DLSYM_VERSION_EVALUATE);
+#endif
diff --git a/src/control/Android.mk b/src/control/Android.mk
new file mode 100644
index 0000000..0f62b2c
--- /dev/null
+++ b/src/control/Android.mk
@@ -0,0 +1,19 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ cards.c \
+ control.c \
+ control_ext.c \
+ control_hw.c \
+ control_shm.c \
+ control_symbols.c \
+ ctlparse.c \
+ hcontrol.c \
+ namehint.c \
+ setup.c \
+ tlv.c
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../include
+LOCAL_MODULE := libcontrol
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/control/Makefile.am b/src/control/Makefile.am
new file mode 100644
index 0000000..3d476a2
--- /dev/null
+++ b/src/control/Makefile.am
@@ -0,0 +1,18 @@
+EXTRA_LTLIBRARIES = libcontrol.la
+
+libcontrol_la_SOURCES = cards.c tlv.c namehint.c hcontrol.c \
+ control.c control_hw.c setup.c ctlparse.c \
+ control_symbols.c
+if BUILD_CTL_PLUGIN_SHM
+libcontrol_la_SOURCES += control_shm.c
+endif
+if BUILD_CTL_PLUGIN_EXT
+libcontrol_la_SOURCES += control_ext.c
+endif
+
+noinst_HEADERS = control_local.h
+
+all: libcontrol.la
+
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/control/Makefile.in b/src/control/Makefile.in
new file mode 100644
index 0000000..53fd2b4
--- /dev/null
+++ b/src/control/Makefile.in
@@ -0,0 +1,562 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@BUILD_CTL_PLUGIN_SHM_TRUE@am__append_1 = control_shm.c
+@BUILD_CTL_PLUGIN_EXT_TRUE@am__append_2 = control_ext.c
+subdir = src/control
+DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
+ $(srcdir)/Makefile.in $(top_srcdir)/depcomp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+libcontrol_la_LIBADD =
+am__libcontrol_la_SOURCES_DIST = cards.c tlv.c namehint.c hcontrol.c \
+ control.c control_hw.c setup.c ctlparse.c control_symbols.c \
+ control_shm.c control_ext.c
+@BUILD_CTL_PLUGIN_SHM_TRUE@am__objects_1 = control_shm.lo
+@BUILD_CTL_PLUGIN_EXT_TRUE@am__objects_2 = control_ext.lo
+am_libcontrol_la_OBJECTS = cards.lo tlv.lo namehint.lo hcontrol.lo \
+ control.lo control_hw.lo setup.lo ctlparse.lo \
+ control_symbols.lo $(am__objects_1) $(am__objects_2)
+libcontrol_la_OBJECTS = $(am_libcontrol_la_OBJECTS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
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+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo " GEN " $@;
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+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
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+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo " CC " $@;
+am__v_CC_1 =
+CCLD = $(CC)
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+am__v_CCLD_0 = @echo " CCLD " $@;
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+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+EXTRA_LTLIBRARIES = libcontrol.la
+libcontrol_la_SOURCES = cards.c tlv.c namehint.c hcontrol.c control.c \
+ control_hw.c setup.c ctlparse.c control_symbols.c \
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+noinst_HEADERS = control_local.h
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+
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+.SUFFIXES: .c .lo .o .obj
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+ $(am__cd) $(top_srcdir) && \
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+
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+ -rm -rf .libs _libs
+
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+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
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+ set x; \
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+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+ END { if (nonempty) { for (i in files) print i; }; }'`; \
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+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(HEADERS)
+installdirs:
+install: install-am
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+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
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+ mostlyclean-libtool
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+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool cscopelist ctags distclean distclean-compile \
+ distclean-generic distclean-libtool distclean-tags distdir dvi \
+ dvi-am html html-am info info-am install install-am \
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+ install-exec install-exec-am install-html install-html-am \
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+ install-pdf-am install-ps install-ps-am install-strip \
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+
+
+all: libcontrol.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/control/cards.c b/src/control/cards.c
new file mode 100644
index 0000000..5d7376c
--- /dev/null
+++ b/src/control/cards.c
@@ -0,0 +1,222 @@
+/**
+ * \file control/cards.c
+ * \brief Basic Soundcard Operations
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 1998-2001
+ */
+/*
+ * Soundcard Operations - main file
+ * Copyright (c) 1998 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "control_local.h"
+
+#ifndef DOC_HIDDEN
+#define SND_FILE_CONTROL ALSA_DEVICE_DIRECTORY "controlC%i"
+#define SND_FILE_LOAD ALOAD_DEVICE_DIRECTORY "aloadC%i"
+#endif
+
+static int snd_card_load2(const char *control)
+{
+ int open_dev;
+ snd_ctl_card_info_t info;
+
+ open_dev = snd_open_device(control, O_RDONLY);
+ if (open_dev >= 0) {
+ if (ioctl(open_dev, SNDRV_CTL_IOCTL_CARD_INFO, &info) < 0) {
+ int err = -errno;
+ close(open_dev);
+ return err;
+ }
+ close(open_dev);
+ return info.card;
+ } else {
+ return -errno;
+ }
+}
+
+static int snd_card_load1(int card)
+{
+ int res;
+ char control[sizeof(SND_FILE_CONTROL) + 10];
+
+ sprintf(control, SND_FILE_CONTROL, card);
+ res = snd_card_load2(control);
+#ifdef SUPPORT_ALOAD
+ if (res < 0) {
+ char aload[sizeof(SND_FILE_LOAD) + 10];
+ sprintf(aload, SND_FILE_LOAD, card);
+ res = snd_card_load2(aload);
+ }
+#endif
+ return res;
+}
+
+/**
+ * \brief Try to load the driver for a card.
+ * \param card Card number.
+ * \return 1 if driver is present, zero if driver is not present
+ */
+int snd_card_load(int card)
+{
+ return !!(snd_card_load1(card) >= 0);
+}
+
+/**
+ * \brief Try to determine the next card.
+ * \param rcard pointer to card number
+ * \result zero if success, otherwise a negative error code
+ *
+ * Tries to determine the next card from given card number.
+ * If card number is -1, then the first available card is
+ * returned. If the result card number is -1, no more cards
+ * are available.
+ */
+int snd_card_next(int *rcard)
+{
+ int card;
+
+ if (rcard == NULL)
+ return -EINVAL;
+ card = *rcard;
+ card = card < 0 ? 0 : card + 1;
+ for (; card < SND_MAX_CARDS; card++) {
+ if (snd_card_load(card)) {
+ *rcard = card;
+ return 0;
+ }
+ }
+ *rcard = -1;
+ return 0;
+}
+
+/**
+ * \brief Convert card string to an integer value.
+ * \param string String containing card identifier
+ * \return zero if success, otherwise a negative error code
+ *
+ * The accepted format is an integer value in ASCII representation
+ * or the card identifier (the id parameter for sound-card drivers).
+ * The control device name like /dev/snd/controlC0 is accepted, too.
+ */
+int snd_card_get_index(const char *string)
+{
+ int card, err;
+ snd_ctl_t *handle;
+ snd_ctl_card_info_t info;
+
+ if (!string || *string == '\0')
+ return -EINVAL;
+ if ((isdigit(*string) && *(string + 1) == 0) ||
+ (isdigit(*string) && isdigit(*(string + 1)) && *(string + 2) == 0)) {
+ if (sscanf(string, "%i", &card) != 1)
+ return -EINVAL;
+ if (card < 0 || card >= SND_MAX_CARDS)
+ return -EINVAL;
+ err = snd_card_load1(card);
+ if (err >= 0)
+ return card;
+ return err;
+ }
+ if (string[0] == '/') /* device name */
+ return snd_card_load2(string);
+ for (card = 0; card < SND_MAX_CARDS; card++) {
+#ifdef SUPPORT_ALOAD
+ if (! snd_card_load(card))
+ continue;
+#endif
+ if (snd_ctl_hw_open(&handle, NULL, card, 0) < 0)
+ continue;
+ if (snd_ctl_card_info(handle, &info) < 0) {
+ snd_ctl_close(handle);
+ continue;
+ }
+ snd_ctl_close(handle);
+ if (!strcmp((const char *)info.id, string))
+ return card;
+ }
+ return -ENODEV;
+}
+
+/**
+ * \brief Obtain the card name.
+ * \param card Card number
+ * \param name Result - card name corresponding to card number
+ * \result zero if success, otherwise a negative error code
+ *
+ * The value returned in name is allocated with strdup and should be
+ * freed when no longer used.
+ */
+int snd_card_get_name(int card, char **name)
+{
+ snd_ctl_t *handle;
+ snd_ctl_card_info_t info;
+ int err;
+
+ if (name == NULL)
+ return -EINVAL;
+ if ((err = snd_ctl_hw_open(&handle, NULL, card, 0)) < 0)
+ return err;
+ if ((err = snd_ctl_card_info(handle, &info)) < 0) {
+ snd_ctl_close(handle);
+ return err;
+ }
+ snd_ctl_close(handle);
+ *name = strdup((const char *)info.name);
+ if (*name == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief Obtain the card long name.
+ * \param card Card number
+ * \param name Result - card long name corresponding to card number
+ * \result zero if success, otherwise a negative error code
+ *
+ * The value returned in name is allocated with strdup and should be
+ * freed when no longer used.
+ */
+int snd_card_get_longname(int card, char **name)
+{
+ snd_ctl_t *handle;
+ snd_ctl_card_info_t info;
+ int err;
+
+ if (name == NULL)
+ return -EINVAL;
+ if ((err = snd_ctl_hw_open(&handle, NULL, card, 0)) < 0)
+ return err;
+ if ((err = snd_ctl_card_info(handle, &info)) < 0) {
+ snd_ctl_close(handle);
+ return err;
+ }
+ snd_ctl_close(handle);
+ *name = strdup((const char *)info.longname);
+ if (*name == NULL)
+ return -ENOMEM;
+ return 0;
+}
diff --git a/src/control/control.c b/src/control/control.c
new file mode 100644
index 0000000..4a28cf6
--- /dev/null
+++ b/src/control/control.c
@@ -0,0 +1,2664 @@
+/**
+ * \file control/control.c
+ * \brief CTL interface - primitive controls
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000
+ *
+ * CTL interface is designed to access primitive controls.
+ * See \ref control page for more details.
+ */
+/*
+ * Control Interface - main file
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page control Control interface
+
+<P>Control interface is designed to access primitive controls. There is
+also interface notifying about control and structure changes.
+
+\section control_general_overview General overview
+
+The primitive controls can be integer, boolean, enumerators, bytes
+and IEC958 structure.
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/poll.h>
+#include "control_local.h"
+
+/**
+ * \brief get identifier of CTL handle
+ * \param ctl CTL handle
+ * \return ascii identifier of CTL handle
+ *
+ * Returns the ASCII identifier of given CTL handle. It's the same
+ * identifier specified in snd_ctl_open().
+ */
+const char *snd_ctl_name(snd_ctl_t *ctl)
+{
+ assert(ctl);
+ return ctl->name;
+}
+
+/**
+ * \brief get type of CTL handle
+ * \param ctl CTL handle
+ * \return type of CTL handle
+ *
+ * Returns the type #snd_ctl_type_t of given CTL handle.
+ */
+snd_ctl_type_t snd_ctl_type(snd_ctl_t *ctl)
+{
+ assert(ctl);
+ return ctl->type;
+}
+
+/**
+ * \brief close CTL handle
+ * \param ctl CTL handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the specified CTL handle and frees all associated
+ * resources.
+ */
+int snd_ctl_close(snd_ctl_t *ctl)
+{
+ int err;
+ while (!list_empty(&ctl->async_handlers)) {
+ snd_async_handler_t *h = list_entry(&ctl->async_handlers.next, snd_async_handler_t, hlist);
+ snd_async_del_handler(h);
+ }
+ err = ctl->ops->close(ctl);
+ free(ctl->name);
+ snd_dlobj_cache_put(ctl->open_func);
+ free(ctl);
+ return err;
+}
+
+/**
+ * \brief set nonblock mode
+ * \param ctl CTL handle
+ * \param nonblock 0 = block, 1 = nonblock mode, 2 = abort
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_nonblock(snd_ctl_t *ctl, int nonblock)
+{
+ int err;
+ assert(ctl);
+ err = ctl->ops->nonblock(ctl, nonblock);
+ if (err < 0)
+ return err;
+ ctl->nonblock = nonblock;
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+int snd_ctl_new(snd_ctl_t **ctlp, snd_ctl_type_t type, const char *name)
+{
+ snd_ctl_t *ctl;
+ ctl = calloc(1, sizeof(*ctl));
+ if (!ctl)
+ return -ENOMEM;
+ ctl->type = type;
+ if (name)
+ ctl->name = strdup(name);
+ INIT_LIST_HEAD(&ctl->async_handlers);
+ *ctlp = ctl;
+ return 0;
+}
+
+
+/**
+ * \brief set async mode
+ * \param ctl CTL handle
+ * \param sig Signal to raise: < 0 disable, 0 default (SIGIO)
+ * \param pid Process ID to signal: 0 current
+ * \return 0 on success otherwise a negative error code
+ *
+ * A signal is raised when a change happens.
+ */
+int snd_ctl_async(snd_ctl_t *ctl, int sig, pid_t pid)
+{
+ assert(ctl);
+ if (sig == 0)
+ sig = SIGIO;
+ if (pid == 0)
+ pid = getpid();
+ return ctl->ops->async(ctl, sig, pid);
+}
+#endif
+
+/**
+ * \brief get count of poll descriptors for CTL handle
+ * \param ctl CTL handle
+ * \return count of poll descriptors
+ */
+int snd_ctl_poll_descriptors_count(snd_ctl_t *ctl)
+{
+ assert(ctl);
+ if (ctl->ops->poll_descriptors_count)
+ return ctl->ops->poll_descriptors_count(ctl);
+ if (ctl->poll_fd < 0)
+ return 0;
+ return 1;
+}
+
+/**
+ * \brief get poll descriptors
+ * \param ctl CTL handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \return count of filled descriptors
+ */
+int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int space)
+{
+ assert(ctl && pfds);
+ if (ctl->ops->poll_descriptors)
+ return ctl->ops->poll_descriptors(ctl, pfds, space);
+ if (ctl->poll_fd < 0)
+ return 0;
+ if (space > 0) {
+ pfds->fd = ctl->poll_fd;
+ pfds->events = POLLIN|POLLERR|POLLNVAL;
+ return 1;
+ }
+ return 0;
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param ctl CTL handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents returned events
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_ctl_poll_descriptors_revents(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ assert(ctl && pfds && revents);
+ if (ctl->ops->poll_revents)
+ return ctl->ops->poll_revents(ctl, pfds, nfds, revents);
+ if (nfds == 1) {
+ *revents = pfds->revents;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief Ask to be informed about events (poll, #snd_async_add_ctl_handler, #snd_ctl_read)
+ * \param ctl CTL handle
+ * \param subscribe 0 = unsubscribe, 1 = subscribe, -1 = check subscribe or not
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_subscribe_events(snd_ctl_t *ctl, int subscribe)
+{
+ assert(ctl);
+ return ctl->ops->subscribe_events(ctl, subscribe);
+}
+
+
+/**
+ * \brief Get card related information
+ * \param ctl CTL handle
+ * \param info Card info pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info)
+{
+ assert(ctl && info);
+ return ctl->ops->card_info(ctl, info);
+}
+
+/**
+ * \brief Get a list of element identifiers
+ * \param ctl CTL handle
+ * \param list CTL element identifiers list pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t *list)
+{
+ assert(ctl && list);
+ assert(list->space == 0 || list->pids);
+ return ctl->ops->element_list(ctl, list);
+}
+
+/**
+ * \brief Get CTL element information
+ * \param ctl CTL handle
+ * \param info CTL element id/information pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info)
+{
+ assert(ctl && info && (info->id.name[0] || info->id.numid));
+ return ctl->ops->element_info(ctl, info);
+}
+
+/**
+ * \brief Create and add an user INTEGER CTL element
+ * \param ctl CTL handle
+ * \param id CTL element id to add
+ * \param count number of elements
+ * \param min minimum value
+ * \param max maximum value
+ * \param step value step
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_add_integer(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ unsigned int count, long min, long max, long step)
+{
+ snd_ctl_elem_info_t *info;
+ snd_ctl_elem_value_t *val;
+ unsigned int i;
+ int err;
+
+ assert(ctl && id && id->name[0]);
+ snd_ctl_elem_info_alloca(&info);
+ info->id = *id;
+ info->type = SND_CTL_ELEM_TYPE_INTEGER;
+ info->access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE;
+ info->count = count;
+ info->value.integer.min = min;
+ info->value.integer.max = max;
+ info->value.integer.step = step;
+ err = ctl->ops->element_add(ctl, info);
+ if (err < 0)
+ return err;
+ snd_ctl_elem_value_alloca(&val);
+ val->id = *id;
+ for (i = 0; i < count; i++)
+ val->value.integer.value[i] = min;
+ err = ctl->ops->element_write(ctl, val);
+ return err;
+}
+
+/**
+ * \brief Create and add an user INTEGER64 CTL element
+ * \param ctl CTL handle
+ * \param id CTL element id to add
+ * \param count number of elements
+ * \param min minimum value
+ * \param max maximum value
+ * \param step value step
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_add_integer64(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ unsigned int count, long long min, long long max,
+ long long step)
+{
+ snd_ctl_elem_info_t *info;
+ snd_ctl_elem_value_t *val;
+ unsigned int i;
+ int err;
+
+ assert(ctl && id && id->name[0]);
+ snd_ctl_elem_info_alloca(&info);
+ info->id = *id;
+ info->type = SND_CTL_ELEM_TYPE_INTEGER64;
+ info->count = count;
+ info->value.integer64.min = min;
+ info->value.integer64.max = max;
+ info->value.integer64.step = step;
+ err = ctl->ops->element_add(ctl, info);
+ if (err < 0)
+ return err;
+ snd_ctl_elem_value_alloca(&val);
+ val->id = *id;
+ for (i = 0; i < count; i++)
+ val->value.integer64.value[i] = min;
+ err = ctl->ops->element_write(ctl, val);
+ return err;
+}
+
+/**
+ * \brief Create and add an user BOOLEAN CTL element
+ * \param ctl CTL handle
+ * \param id CTL element id to add
+ * \param count number of elements
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_add_boolean(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ unsigned int count)
+{
+ snd_ctl_elem_info_t *info;
+
+ assert(ctl && id && id->name[0]);
+ snd_ctl_elem_info_alloca(&info);
+ info->id = *id;
+ info->type = SND_CTL_ELEM_TYPE_BOOLEAN;
+ info->count = count;
+ info->value.integer.min = 0;
+ info->value.integer.max = 1;
+ return ctl->ops->element_add(ctl, info);
+}
+
+/**
+ * \brief Create and add a user-defined control element of type enumerated.
+ * \param[in] ctl Control device handle.
+ * \param[in] id ID of the new control element.
+ * \param[in] count Number of element values.
+ * \param[in] items Range of possible values (0 ... \a items - 1).
+ * \param[in] names An array containing \a items strings.
+ * \return Zero on success, otherwise a negative error code.
+ *
+ * This function creates a user element, i.e., a control element that is not
+ * controlled by the control device's driver but that is just stored together
+ * with the other elements of \a ctl.
+ *
+ * The fields of \a id, except numid, must be set to unique values that
+ * identify the new element.
+ *
+ * The new element is locked; its value is initialized as zero.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EBUSY<dd>A control element with ID \a id already exists.
+ * <dt>-EINVAL<dd>\a count is not at least one or greater than 128, or \a items
+ * is not at least one, or a string in \a names is empty or longer than 63
+ * bytes, or the strings in \a names require more than 64 KB storage.
+ * <dt>-ENOMEM<dd>Out of memory, or there are too many user control elements.
+ * <dt>-ENXIO<dd>This driver does not support (enumerated) user controls.
+ * <dt>-ENODEV<dd>Device unplugged.
+ * </dl>
+ *
+ * \par Compatibility:
+ * snd_ctl_elem_add_enumerated() was introduced in ALSA 1.0.25.
+ */
+int snd_ctl_elem_add_enumerated(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ unsigned int count, unsigned int items,
+ const char *const names[])
+{
+ snd_ctl_elem_info_t *info;
+ unsigned int i, bytes;
+ char *buf, *p;
+ int err;
+
+ assert(ctl && id && id->name[0] && names);
+
+ snd_ctl_elem_info_alloca(&info);
+ info->id = *id;
+ info->type = SND_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = count;
+ info->value.enumerated.items = items;
+
+ bytes = 0;
+ for (i = 0; i < items; ++i)
+ bytes += strlen(names[i]) + 1;
+ buf = malloc(bytes);
+ if (!buf)
+ return -ENOMEM;
+ info->value.enumerated.names_ptr = (uintptr_t)buf;
+ info->value.enumerated.names_length = bytes;
+ p = buf;
+ for (i = 0; i < items; ++i) {
+ strcpy(p, names[i]);
+ p += strlen(names[i]) + 1;
+ }
+
+ err = ctl->ops->element_add(ctl, info);
+
+ free(buf);
+
+ return err;
+}
+
+/**
+ * \brief Create and add an user IEC958 CTL element
+ * \param ctl CTL handle
+ * \param id CTL element info to add
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_add_iec958(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id)
+{
+ snd_ctl_elem_info_t *info;
+
+ assert(ctl && id && id->name[0]);
+ snd_ctl_elem_info_alloca(&info);
+ info->id = *id;
+ info->type = SND_CTL_ELEM_TYPE_IEC958;
+ info->count = 1;
+ return ctl->ops->element_add(ctl, info);
+}
+
+/**
+ * \brief Remove an user CTL element
+ * \param ctl CTL handle
+ * \param id CTL element identification
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_remove(snd_ctl_t *ctl, snd_ctl_elem_id_t *id)
+{
+ assert(ctl && id && (id->name[0] || id->numid));
+ return ctl->ops->element_remove(ctl, id);
+}
+
+/**
+ * \brief Get CTL element value
+ * \param ctl CTL handle
+ * \param control CTL element id/value pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_read(snd_ctl_t *ctl, snd_ctl_elem_value_t *control)
+{
+ assert(ctl && control && (control->id.name[0] || control->id.numid));
+ return ctl->ops->element_read(ctl, control);
+}
+
+/**
+ * \brief Set CTL element value
+ * \param ctl CTL handle
+ * \param control CTL element id/value pointer
+ * \retval 0 on success
+ * \retval >0 on success when value was changed
+ * \retval <0 a negative error code
+ */
+int snd_ctl_elem_write(snd_ctl_t *ctl, snd_ctl_elem_value_t *control)
+{
+ assert(ctl && control && (control->id.name[0] || control->id.numid));
+ return ctl->ops->element_write(ctl, control);
+}
+
+static int snd_ctl_tlv_do(snd_ctl_t *ctl, int op_flag,
+ const snd_ctl_elem_id_t *id,
+ unsigned int *tlv, unsigned int tlv_size)
+{
+ snd_ctl_elem_info_t *info = NULL;
+ int err;
+
+ if (id->numid == 0) {
+ info = calloc(1, sizeof(*info));
+ if (info == NULL)
+ return -ENOMEM;
+ info->id = *id;
+ id = &info->id;
+ err = snd_ctl_elem_info(ctl, info);
+ if (err < 0)
+ goto __err;
+ if (id->numid == 0) {
+ err = -ENOENT;
+ goto __err;
+ }
+ }
+ err = ctl->ops->element_tlv(ctl, op_flag, id->numid, tlv, tlv_size);
+ __err:
+ if (info)
+ free(info);
+ return err;
+}
+
+
+
+/**
+ * \brief Get CTL element TLV value
+ * \param ctl CTL handle
+ * \param id CTL element id pointer
+ * \param tlv TLV array pointer to store
+ * \param tlv_size TLV array size in bytes
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_tlv_read(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ unsigned int *tlv, unsigned int tlv_size)
+{
+ int err;
+ assert(ctl && id && (id->name[0] || id->numid) && tlv);
+ if (tlv_size < 2 * sizeof(int))
+ return -EINVAL;
+ /* 1.0.12 driver doesn't return the error even if the user TLV
+ * is empty. So, initialize TLV here with an invalid type
+ * and compare the returned value after ioctl for checking
+ * the validity of TLV.
+ */
+ tlv[0] = -1;
+ tlv[1] = 0;
+ err = snd_ctl_tlv_do(ctl, 0, id, tlv, tlv_size);
+ if (err >= 0 && tlv[0] == (unsigned int)-1)
+ err = -ENXIO;
+ return err;
+}
+
+/**
+ * \brief Set CTL element TLV value
+ * \param ctl CTL handle
+ * \param id CTL element id pointer
+ * \param tlv TLV array pointer to store
+ * \retval 0 on success
+ * \retval >0 on success when value was changed
+ * \retval <0 a negative error code
+ */
+int snd_ctl_elem_tlv_write(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ const unsigned int *tlv)
+{
+ assert(ctl && id && (id->name[0] || id->numid) && tlv);
+ return snd_ctl_tlv_do(ctl, 1, id, (unsigned int *)tlv, tlv[1] + 2 * sizeof(unsigned int));
+}
+
+/**
+ * \brief Process CTL element TLV command
+ * \param ctl CTL handle
+ * \param id CTL element id pointer
+ * \param tlv TLV array pointer to process
+ * \retval 0 on success
+ * \retval >0 on success when value was changed
+ * \retval <0 a negative error code
+ */
+int snd_ctl_elem_tlv_command(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ const unsigned int *tlv)
+{
+ assert(ctl && id && (id->name[0] || id->numid) && tlv);
+ return snd_ctl_tlv_do(ctl, -1, id, (unsigned int *)tlv, tlv[1] + 2 * sizeof(unsigned int));
+}
+
+/**
+ * \brief Lock CTL element
+ * \param ctl CTL handle
+ * \param id CTL element id pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_lock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id)
+{
+ assert(ctl && id);
+ return ctl->ops->element_lock(ctl, id);
+}
+
+/**
+ * \brief Unlock CTL element
+ * \param ctl CTL handle
+ * \param id CTL element id pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_unlock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id)
+{
+ assert(ctl && id);
+ return ctl->ops->element_unlock(ctl, id);
+}
+
+/**
+ * \brief Get next hardware dependent device number
+ * \param ctl CTL handle
+ * \param device current device on entry and next device on return
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_hwdep_next_device(snd_ctl_t *ctl, int *device)
+{
+ assert(ctl && device);
+ return ctl->ops->hwdep_next_device(ctl, device);
+}
+
+/**
+ * \brief Get info about a hardware dependent device
+ * \param ctl CTL handle
+ * \param info Hardware dependent device id/info pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_hwdep_info(snd_ctl_t *ctl, snd_hwdep_info_t * info)
+{
+ assert(ctl && info);
+ return ctl->ops->hwdep_info(ctl, info);
+}
+
+/**
+ * \brief Get next PCM device number
+ * \param ctl CTL handle
+ * \param device current device on entry and next device on return
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_pcm_next_device(snd_ctl_t *ctl, int * device)
+{
+ assert(ctl && device);
+ return ctl->ops->pcm_next_device(ctl, device);
+}
+
+/**
+ * \brief Get info about a PCM device
+ * \param ctl CTL handle
+ * \param info PCM device id/info pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_pcm_info(snd_ctl_t *ctl, snd_pcm_info_t * info)
+{
+ assert(ctl && info);
+ return ctl->ops->pcm_info(ctl, info);
+}
+
+/**
+ * \brief Set preferred PCM subdevice number of successive PCM open
+ * \param ctl CTL handle
+ * \param subdev Preferred PCM subdevice number
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_pcm_prefer_subdevice(snd_ctl_t *ctl, int subdev)
+{
+ assert(ctl);
+ return ctl->ops->pcm_prefer_subdevice(ctl, subdev);
+}
+
+/**
+ * \brief Get next RawMidi device number
+ * \param ctl CTL handle
+ * \param device current device on entry and next device on return
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_rawmidi_next_device(snd_ctl_t *ctl, int * device)
+{
+ assert(ctl && device);
+ return ctl->ops->rawmidi_next_device(ctl, device);
+}
+
+/**
+ * \brief Get info about a RawMidi device
+ * \param ctl CTL handle
+ * \param info RawMidi device id/info pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info)
+{
+ assert(ctl && info);
+ return ctl->ops->rawmidi_info(ctl, info);
+}
+
+/**
+ * \brief Set preferred RawMidi subdevice number of successive RawMidi open
+ * \param ctl CTL handle
+ * \param subdev Preferred RawMidi subdevice number
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev)
+{
+ assert(ctl);
+ return ctl->ops->rawmidi_prefer_subdevice(ctl, subdev);
+}
+
+/**
+ * \brief Set Power State to given SND_CTL_POWER_* value and do the power management
+ * \param ctl CTL handle
+ * \param state Desired Power State
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_set_power_state(snd_ctl_t *ctl, unsigned int state)
+{
+ assert(ctl);
+ if (ctl->ops->set_power_state)
+ return ctl->ops->set_power_state(ctl, state);
+ return -ENXIO;
+}
+
+/**
+ * \brief Get actual Power State
+ * \param ctl CTL handle
+ * \param state Destination value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_get_power_state(snd_ctl_t *ctl, unsigned int *state)
+{
+ assert(ctl);
+ if (ctl->ops->get_power_state)
+ return ctl->ops->get_power_state(ctl, state);
+ return -ENXIO;
+}
+
+/**
+ * \brief Read an event
+ * \param ctl CTL handle
+ * \param event Event pointer
+ * \return number of events read otherwise a negative error code on failure
+ */
+int snd_ctl_read(snd_ctl_t *ctl, snd_ctl_event_t *event)
+{
+ assert(ctl && event);
+ return (ctl->ops->read)(ctl, event);
+}
+
+/**
+ * \brief Wait for a CTL to become ready (i.e. at least one event pending)
+ * \param ctl CTL handle
+ * \param timeout maximum time in milliseconds to wait
+ * \return 0 otherwise a negative error code on failure
+ */
+int snd_ctl_wait(snd_ctl_t *ctl, int timeout)
+{
+ struct pollfd *pfd;
+ unsigned short revents;
+ int npfds, err, err_poll;
+
+ npfds = snd_ctl_poll_descriptors_count(ctl);
+ if (npfds <= 0 || npfds >= 16) {
+ SNDERR("Invalid poll_fds %d\n", npfds);
+ return -EIO;
+ }
+ pfd = alloca(sizeof(*pfd) * npfds);
+ err = snd_ctl_poll_descriptors(ctl, pfd, npfds);
+ if (err < 0)
+ return err;
+ if (err != npfds) {
+ SNDMSG("invalid poll descriptors %d\n", err);
+ return -EIO;
+ }
+ for (;;) {
+ err_poll = poll(pfd, npfds, timeout);
+ if (err_poll < 0)
+ return -errno;
+ if (! err_poll)
+ return 0;
+ err = snd_ctl_poll_descriptors_revents(ctl, pfd, npfds, &revents);
+ if (err < 0)
+ return err;
+ if (revents & (POLLERR | POLLNVAL))
+ return -EIO;
+ if (revents & (POLLIN | POLLOUT))
+ return 1;
+ }
+}
+
+/**
+ * \brief Add an async handler for a CTL
+ * \param handler Returned handler handle
+ * \param ctl CTL handle
+ * \param callback Callback function
+ * \param private_data Callback private data
+ * \return 0 otherwise a negative error code on failure
+ */
+int snd_async_add_ctl_handler(snd_async_handler_t **handler, snd_ctl_t *ctl,
+ snd_async_callback_t callback, void *private_data)
+{
+ int err;
+ int was_empty;
+ snd_async_handler_t *h;
+ err = snd_async_add_handler(&h, _snd_ctl_async_descriptor(ctl),
+ callback, private_data);
+ if (err < 0)
+ return err;
+ h->type = SND_ASYNC_HANDLER_CTL;
+ h->u.ctl = ctl;
+ was_empty = list_empty(&ctl->async_handlers);
+ list_add_tail(&h->hlist, &ctl->async_handlers);
+ if (was_empty) {
+ err = snd_ctl_async(ctl, snd_async_handler_get_signo(h), getpid());
+ if (err < 0) {
+ snd_async_del_handler(h);
+ return err;
+ }
+ }
+ *handler = h;
+ return 0;
+}
+
+/**
+ * \brief Return CTL handle related to an async handler
+ * \param handler Async handler handle
+ * \return CTL handle
+ */
+snd_ctl_t *snd_async_handler_get_ctl(snd_async_handler_t *handler)
+{
+ assert(handler->type == SND_ASYNC_HANDLER_CTL);
+ return handler->u.ctl;
+}
+
+static const char *const build_in_ctls[] = {
+ "hw", "shm", NULL
+};
+
+static int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
+ snd_config_t *ctl_root, snd_config_t *ctl_conf, int mode)
+{
+ const char *str;
+ char *buf = NULL, *buf1 = NULL;
+ int err;
+ snd_config_t *conf, *type_conf = NULL;
+ snd_config_iterator_t i, next;
+ const char *lib = NULL, *open_name = NULL;
+ const char *id;
+ int (*open_func)(snd_ctl_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
+#ifndef PIC
+ extern void *snd_control_open_symbols(void);
+#endif
+ if (snd_config_get_type(ctl_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ if (name)
+ SNDERR("Invalid type for CTL %s definition", name);
+ else
+ SNDERR("Invalid type for CTL definition");
+ return -EINVAL;
+ }
+ err = snd_config_search(ctl_conf, "type", &conf);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ return err;
+ }
+ err = snd_config_get_id(conf, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(ctl_root, "ctl_type", str, &type_conf);
+ if (err >= 0) {
+ if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for CTL type %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ buf = malloc(strlen(str) + 32);
+ if (buf == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ open_name = buf;
+ sprintf(buf, "_snd_ctl_%s_open", str);
+ }
+ if (!lib) {
+ const char *const *build_in = build_in_ctls;
+ while (*build_in) {
+ if (!strcmp(*build_in, str))
+ break;
+ build_in++;
+ }
+ if (*build_in == NULL) {
+ buf1 = malloc(strlen(str) + sizeof(ALSA_PLUGIN_DIR) + 32);
+ if (buf1 == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ lib = buf1;
+ sprintf(buf1, "%s/libasound_module_ctl_%s.so", ALSA_PLUGIN_DIR, str);
+ }
+ }
+#ifndef PIC
+ snd_control_open_symbols();
+#endif
+ open_func = snd_dlobj_cache_get(lib, open_name,
+ SND_DLSYM_VERSION(SND_CONTROL_DLSYM_VERSION), 1);
+ if (open_func) {
+ err = open_func(ctlp, name, ctl_root, ctl_conf, mode);
+ if (err >= 0) {
+ (*ctlp)->open_func = open_func;
+ err = 0;
+ } else {
+ snd_dlobj_cache_put(open_func);
+ }
+ } else {
+ err = -ENXIO;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ free(buf);
+ free(buf1);
+ return err;
+}
+
+static int snd_ctl_open_noupdate(snd_ctl_t **ctlp, snd_config_t *root, const char *name, int mode)
+{
+ int err;
+ snd_config_t *ctl_conf;
+ err = snd_config_search_definition(root, "ctl", name, &ctl_conf);
+ if (err < 0) {
+ SNDERR("Invalid CTL %s", name);
+ return err;
+ }
+ err = snd_ctl_open_conf(ctlp, name, root, ctl_conf, mode);
+ snd_config_delete(ctl_conf);
+ return err;
+}
+
+/**
+ * \brief Opens a CTL
+ * \param ctlp Returned CTL handle
+ * \param name ASCII identifier of the CTL handle
+ * \param mode Open mode (see #SND_CTL_NONBLOCK, #SND_CTL_ASYNC)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_open(snd_ctl_t **ctlp, const char *name, int mode)
+{
+ int err;
+ assert(ctlp && name);
+ err = snd_config_update();
+ if (err < 0)
+ return err;
+ return snd_ctl_open_noupdate(ctlp, snd_config, name, mode);
+}
+
+/**
+ * \brief Opens a CTL using local configuration
+ * \param ctlp Returned CTL handle
+ * \param name ASCII identifier of the CTL handle
+ * \param mode Open mode (see #SND_CTL_NONBLOCK, #SND_CTL_ASYNC)
+ * \param lconf Local configuration
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_open_lconf(snd_ctl_t **ctlp, const char *name,
+ int mode, snd_config_t *lconf)
+{
+ assert(ctlp && name && lconf);
+ return snd_ctl_open_noupdate(ctlp, lconf, name, mode);
+}
+
+/**
+ * \brief Opens a fallback CTL
+ * \param ctlp Returned CTL handle
+ * \param root Configuration root
+ * \param name ASCII identifier of the CTL handle used as fallback
+ * \param orig_name The original ASCII name
+ * \param mode Open mode (see #SND_CTL_NONBLOCK, #SND_CTL_ASYNC)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_open_fallback(snd_ctl_t **ctlp, snd_config_t *root,
+ const char *name, const char *orig_name, int mode)
+{
+ int err;
+ assert(ctlp && name && root);
+ err = snd_ctl_open_noupdate(ctlp, root, name, mode);
+ if (err >= 0) {
+ free((*ctlp)->name);
+ (*ctlp)->name = orig_name ? strdup(orig_name) : NULL;
+ }
+ return err;
+}
+
+#ifndef DOC_HIDDEN
+#define TYPE(v) [SND_CTL_ELEM_TYPE_##v] = #v
+#define IFACE(v) [SND_CTL_ELEM_IFACE_##v] = #v
+#define IFACE1(v, n) [SND_CTL_ELEM_IFACE_##v] = #n
+#define EVENT(v) [SND_CTL_EVENT_##v] = #v
+
+static const char *const snd_ctl_elem_type_names[] = {
+ TYPE(NONE),
+ TYPE(BOOLEAN),
+ TYPE(INTEGER),
+ TYPE(ENUMERATED),
+ TYPE(BYTES),
+ TYPE(IEC958),
+ TYPE(INTEGER64),
+};
+
+static const char *const snd_ctl_elem_iface_names[] = {
+ IFACE(CARD),
+ IFACE(HWDEP),
+ IFACE(MIXER),
+ IFACE(PCM),
+ IFACE(RAWMIDI),
+ IFACE(TIMER),
+ IFACE(SEQUENCER),
+};
+
+static const char *const snd_ctl_event_type_names[] = {
+ EVENT(ELEM),
+};
+#endif
+
+/**
+ * \brief get name of a CTL element type
+ * \param type CTL element type
+ * \return ascii name of CTL element type
+ */
+const char *snd_ctl_elem_type_name(snd_ctl_elem_type_t type)
+{
+ assert(type <= SND_CTL_ELEM_TYPE_LAST);
+ return snd_ctl_elem_type_names[type];
+}
+
+/**
+ * \brief get name of a CTL element related interface
+ * \param iface CTL element related interface
+ * \return ascii name of CTL element related interface
+ */
+const char *snd_ctl_elem_iface_name(snd_ctl_elem_iface_t iface)
+{
+ assert(iface <= SND_CTL_ELEM_IFACE_LAST);
+ return snd_ctl_elem_iface_names[iface];
+}
+
+/**
+ * \brief get name of a CTL event type
+ * \param type CTL event type
+ * \return ascii name of CTL event type
+ */
+const char *snd_ctl_event_type_name(snd_ctl_event_type_t type)
+{
+ assert(type <= SND_CTL_EVENT_LAST);
+ return snd_ctl_event_type_names[type];
+}
+
+/**
+ * \brief allocate space for CTL element identifiers list
+ * \param obj CTL element identifiers list
+ * \param entries Entries to allocate
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_ctl_elem_list_alloc_space(snd_ctl_elem_list_t *obj, unsigned int entries)
+{
+ free(obj->pids);
+ obj->pids = calloc(entries, sizeof(*obj->pids));
+ if (!obj->pids) {
+ obj->space = 0;
+ return -ENOMEM;
+ }
+ obj->space = entries;
+ return 0;
+}
+
+/**
+ * \brief free previously allocated space for CTL element identifiers list
+ * \param obj CTL element identifiers list
+ */
+void snd_ctl_elem_list_free_space(snd_ctl_elem_list_t *obj)
+{
+ free(obj->pids);
+ obj->pids = NULL;
+ obj->space = 0;
+}
+
+/**
+ * \brief Get event mask for an element related event
+ * \param obj CTL event
+ * \return event mask for element related event
+ */
+unsigned int snd_ctl_event_elem_get_mask(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ return obj->data.elem.mask;
+}
+
+/**
+ * \brief Get CTL element identifier for an element related event
+ * \param obj CTL event
+ * \param ptr Pointer to returned CTL element identifier
+ */
+void snd_ctl_event_elem_get_id(const snd_ctl_event_t *obj, snd_ctl_elem_id_t *ptr)
+{
+ assert(obj && ptr);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ *ptr = obj->data.elem.id;
+}
+
+/**
+ * \brief Get element numeric identifier for an element related event
+ * \param obj CTL event
+ * \return element numeric identifier
+ */
+unsigned int snd_ctl_event_elem_get_numid(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ return obj->data.elem.id.numid;
+}
+
+/**
+ * \brief Get interface part of CTL element identifier for an element related event
+ * \param obj CTL event
+ * \return interface part of element identifier
+ */
+snd_ctl_elem_iface_t snd_ctl_event_elem_get_interface(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ return obj->data.elem.id.iface;
+}
+
+/**
+ * \brief Get device part of CTL element identifier for an element related event
+ * \param obj CTL event
+ * \return device part of element identifier
+ */
+unsigned int snd_ctl_event_elem_get_device(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ return obj->data.elem.id.device;
+}
+
+/**
+ * \brief Get subdevice part of CTL element identifier for an element related event
+ * \param obj CTL event
+ * \return subdevice part of element identifier
+ */
+unsigned int snd_ctl_event_elem_get_subdevice(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ return obj->data.elem.id.subdevice;
+}
+
+/**
+ * \brief Get name part of CTL element identifier for an element related event
+ * \param obj CTL event
+ * \return name part of element identifier
+ */
+const char *snd_ctl_event_elem_get_name(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ return (const char *)obj->data.elem.id.name;
+}
+
+/**
+ * \brief Get index part of CTL element identifier for an element related event
+ * \param obj CTL event
+ * \return index part of element identifier
+ */
+unsigned int snd_ctl_event_elem_get_index(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_EVENT_ELEM);
+ return obj->data.elem.id.index;
+}
+
+#ifndef DOC_HIDDEN
+int _snd_ctl_poll_descriptor(snd_ctl_t *ctl)
+{
+ assert(ctl);
+ return ctl->poll_fd;
+}
+#endif
+
+/**
+ * \brief get size of #snd_ctl_elem_id_t
+ * \return size in bytes
+ */
+size_t snd_ctl_elem_id_sizeof()
+{
+ return sizeof(snd_ctl_elem_id_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_ctl_elem_id_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_ctl_elem_id_malloc(snd_ctl_elem_id_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_ctl_elem_id_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_ctl_elem_id_t
+ * \param obj pointer to object to free
+ */
+void snd_ctl_elem_id_free(snd_ctl_elem_id_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief clear given #snd_ctl_elem_id_t object
+ * \param obj pointer to object to clear
+ */
+void snd_ctl_elem_id_clear(snd_ctl_elem_id_t *obj)
+{
+ memset(obj, 0, sizeof(snd_ctl_elem_id_t));
+}
+
+/**
+ * \brief copy one #snd_ctl_elem_id_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_ctl_elem_id_copy(snd_ctl_elem_id_t *dst, const snd_ctl_elem_id_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get numeric identifier from a CTL element identifier
+ * \param obj CTL element identifier
+ * \return CTL element numeric identifier
+ */
+unsigned int snd_ctl_elem_id_get_numid(const snd_ctl_elem_id_t *obj)
+{
+ assert(obj);
+ return obj->numid;
+}
+
+/**
+ * \brief Get interface part of a CTL element identifier
+ * \param obj CTL element identifier
+ * \return CTL element related interface
+ */
+snd_ctl_elem_iface_t snd_ctl_elem_id_get_interface(const snd_ctl_elem_id_t *obj)
+{
+ assert(obj);
+ return obj->iface;
+}
+
+/**
+ * \brief Get device part of a CTL element identifier
+ * \param obj CTL element identifier
+ * \return CTL element related device
+ */
+unsigned int snd_ctl_elem_id_get_device(const snd_ctl_elem_id_t *obj)
+{
+ assert(obj);
+ return obj->device;
+}
+
+/**
+ * \brief Get subdevice part of a CTL element identifier
+ * \param obj CTL element identifier
+ * \return CTL element related subdevice
+ */
+unsigned int snd_ctl_elem_id_get_subdevice(const snd_ctl_elem_id_t *obj)
+{
+ assert(obj);
+ return obj->subdevice;
+}
+
+/**
+ * \brief Get name part of a CTL element identifier
+ * \param obj CTL element identifier
+ * \return CTL element name
+ */
+const char *snd_ctl_elem_id_get_name(const snd_ctl_elem_id_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->name;
+}
+
+/**
+ * \brief Get index part of a CTL element identifier
+ * \param obj CTL element identifier
+ * \return CTL element index
+ */
+unsigned int snd_ctl_elem_id_get_index(const snd_ctl_elem_id_t *obj)
+{
+ assert(obj);
+ return obj->index;
+}
+
+/**
+ * \brief Set numeric identifier for a CTL element identifier
+ * \param obj CTL element identifier
+ * \param val CTL element numeric identifier
+ */
+void snd_ctl_elem_id_set_numid(snd_ctl_elem_id_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->numid = val;
+}
+
+/**
+ * \brief Set interface part for a CTL element identifier
+ * \param obj CTL element identifier
+ * \param val CTL element related interface
+ */
+void snd_ctl_elem_id_set_interface(snd_ctl_elem_id_t *obj, snd_ctl_elem_iface_t val)
+{
+ assert(obj);
+ obj->iface = val;
+}
+
+/**
+ * \brief Set device part for a CTL element identifier
+ * \param obj CTL element identifier
+ * \param val CTL element related device
+ */
+void snd_ctl_elem_id_set_device(snd_ctl_elem_id_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->device = val;
+}
+
+/**
+ * \brief Set subdevice part for a CTL element identifier
+ * \param obj CTL element identifier
+ * \param val CTL element related subdevice
+ */
+void snd_ctl_elem_id_set_subdevice(snd_ctl_elem_id_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->subdevice = val;
+}
+
+/**
+ * \brief Set name part for a CTL element identifier
+ * \param obj CTL element identifier
+ * \param val CTL element name
+ */
+void snd_ctl_elem_id_set_name(snd_ctl_elem_id_t *obj, const char *val)
+{
+ assert(obj);
+ strncpy((char *)obj->name, val, sizeof(obj->name));
+}
+
+/**
+ * \brief Set index part for a CTL element identifier
+ * \param obj CTL element identifier
+ * \param val CTL element index
+ */
+void snd_ctl_elem_id_set_index(snd_ctl_elem_id_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->index = val;
+}
+
+/**
+ * \brief get size of #snd_ctl_card_info_t
+ * \return size in bytes
+ */
+size_t snd_ctl_card_info_sizeof()
+{
+ return sizeof(snd_ctl_card_info_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_ctl_card_info_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_ctl_card_info_malloc(snd_ctl_card_info_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_ctl_card_info_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_ctl_card_info_t
+ * \param obj pointer to object to free
+ */
+void snd_ctl_card_info_free(snd_ctl_card_info_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief clear given #snd_ctl_card_info_t object
+ * \param obj pointer to object to clear
+ */
+void snd_ctl_card_info_clear(snd_ctl_card_info_t *obj)
+{
+ memset(obj, 0, sizeof(snd_ctl_card_info_t));
+}
+
+/**
+ * \brief copy one #snd_ctl_card_info_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_ctl_card_info_copy(snd_ctl_card_info_t *dst, const snd_ctl_card_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get card number from a CTL card info
+ * \param obj CTL card info
+ * \return card number
+ */
+int snd_ctl_card_info_get_card(const snd_ctl_card_info_t *obj)
+{
+ assert(obj);
+ return obj->card;
+}
+
+/**
+ * \brief Get card identifier from a CTL card info
+ * \param obj CTL card info
+ * \return card identifier
+ */
+const char *snd_ctl_card_info_get_id(const snd_ctl_card_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->id;
+}
+
+/**
+ * \brief Get card driver name from a CTL card info
+ * \param obj CTL card info
+ * \return card driver name
+ */
+const char *snd_ctl_card_info_get_driver(const snd_ctl_card_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->driver;
+}
+
+/**
+ * \brief Get card name from a CTL card info
+ * \param obj CTL card info
+ * \return card name
+ */
+const char *snd_ctl_card_info_get_name(const snd_ctl_card_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->name;
+}
+
+/**
+ * \brief Get card long name from a CTL card info
+ * \param obj CTL card info
+ * \return card long name
+ */
+const char *snd_ctl_card_info_get_longname(const snd_ctl_card_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->longname;
+}
+
+/**
+ * \brief Get card mixer name from a CTL card info
+ * \param obj CTL card info
+ * \return card mixer name
+ */
+const char *snd_ctl_card_info_get_mixername(const snd_ctl_card_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->mixername;
+}
+
+/**
+ * \brief Get card component list from a CTL card info
+ * \param obj CTL card info
+ * \return card mixer identifier
+ */
+const char *snd_ctl_card_info_get_components(const snd_ctl_card_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->components;
+}
+
+/**
+ * \brief get size of #snd_ctl_event_t
+ * \return size in bytes
+ */
+size_t snd_ctl_event_sizeof()
+{
+ return sizeof(snd_ctl_event_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_ctl_event_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_ctl_event_malloc(snd_ctl_event_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_ctl_event_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_ctl_event_t
+ * \param obj pointer to object to free
+ */
+void snd_ctl_event_free(snd_ctl_event_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief clear given #snd_ctl_event_t object
+ * \param obj pointer to object to clear
+ */
+void snd_ctl_event_clear(snd_ctl_event_t *obj)
+{
+ memset(obj, 0, sizeof(snd_ctl_event_t));
+}
+
+/**
+ * \brief copy one #snd_ctl_event_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_ctl_event_copy(snd_ctl_event_t *dst, const snd_ctl_event_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get type of a CTL event
+ * \param obj CTL event
+ * \return CTL event type
+ */
+snd_ctl_event_type_t snd_ctl_event_get_type(const snd_ctl_event_t *obj)
+{
+ assert(obj);
+ return obj->type;
+}
+
+/**
+ * \brief get size of #snd_ctl_elem_list_t
+ * \return size in bytes
+ */
+size_t snd_ctl_elem_list_sizeof()
+{
+ return sizeof(snd_ctl_elem_list_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_ctl_elem_list_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_ctl_elem_list_malloc(snd_ctl_elem_list_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_ctl_elem_list_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_ctl_elem_list_t
+ * \param obj pointer to object to free
+ */
+void snd_ctl_elem_list_free(snd_ctl_elem_list_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief clear given #snd_ctl_elem_list_t object
+ * \param obj pointer to object to clear
+ */
+void snd_ctl_elem_list_clear(snd_ctl_elem_list_t *obj)
+{
+ memset(obj, 0, sizeof(snd_ctl_elem_list_t));
+}
+
+/**
+ * \brief copy one #snd_ctl_elem_list_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_ctl_elem_list_copy(snd_ctl_elem_list_t *dst, const snd_ctl_elem_list_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Set index of first wanted CTL element identifier in a CTL element identifiers list
+ * \param obj CTL element identifiers list
+ * \param val index of CTL element to put at position 0 of list
+ */
+void snd_ctl_elem_list_set_offset(snd_ctl_elem_list_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->offset = val;
+}
+
+/**
+ * \brief Get number of used entries in CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \return number of used entries
+ */
+unsigned int snd_ctl_elem_list_get_used(const snd_ctl_elem_list_t *obj)
+{
+ assert(obj);
+ return obj->used;
+}
+
+/**
+ * \brief Get total count of elements present in CTL device (information present in every filled CTL element identifiers list)
+ * \param obj CTL element identifier list
+ * \return total number of elements
+ */
+unsigned int snd_ctl_elem_list_get_count(const snd_ctl_elem_list_t *obj)
+{
+ assert(obj);
+ return obj->count;
+}
+
+/**
+ * \brief Get CTL element identifier for an entry of a CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \param idx Index of entry
+ * \param ptr Pointer to returned CTL element identifier
+ */
+void snd_ctl_elem_list_get_id(const snd_ctl_elem_list_t *obj, unsigned int idx, snd_ctl_elem_id_t *ptr)
+{
+ assert(obj && ptr);
+ assert(idx < obj->used);
+ *ptr = obj->pids[idx];
+}
+
+/**
+ * \brief Get CTL element numeric identifier for an entry of a CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \param idx Index of entry
+ * \return CTL element numeric identifier
+ */
+unsigned int snd_ctl_elem_list_get_numid(const snd_ctl_elem_list_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < obj->used);
+ return obj->pids[idx].numid;
+}
+
+/**
+ * \brief Get interface part of CTL element identifier for an entry of a CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \param idx Index of entry
+ * \return CTL element related interface
+ */
+snd_ctl_elem_iface_t snd_ctl_elem_list_get_interface(const snd_ctl_elem_list_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < obj->used);
+ return obj->pids[idx].iface;
+}
+
+/**
+ * \brief Get device part of CTL element identifier for an entry of a CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \param idx Index of entry
+ * \return CTL element related device
+ */
+unsigned int snd_ctl_elem_list_get_device(const snd_ctl_elem_list_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < obj->used);
+ return obj->pids[idx].device;
+}
+
+/**
+ * \brief Get subdevice part of CTL element identifier for an entry of a CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \param idx Index of entry
+ * \return CTL element related subdevice
+ */
+unsigned int snd_ctl_elem_list_get_subdevice(const snd_ctl_elem_list_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < obj->used);
+ return obj->pids[idx].subdevice;
+}
+
+/**
+ * \brief Get name part of CTL element identifier for an entry of a CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \param idx Index of entry
+ * \return CTL element name
+ */
+const char *snd_ctl_elem_list_get_name(const snd_ctl_elem_list_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < obj->used);
+ return (const char *)obj->pids[idx].name;
+}
+
+/**
+ * \brief Get index part of CTL element identifier for an entry of a CTL element identifiers list
+ * \param obj CTL element identifier list
+ * \param idx Index of entry
+ * \return CTL element index
+ */
+unsigned int snd_ctl_elem_list_get_index(const snd_ctl_elem_list_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < obj->used);
+ return obj->pids[idx].index;
+}
+
+/**
+ * \brief get size of #snd_ctl_elem_info_t
+ * \return size in bytes
+ */
+size_t snd_ctl_elem_info_sizeof()
+{
+ return sizeof(snd_ctl_elem_info_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_ctl_elem_info_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_ctl_elem_info_malloc(snd_ctl_elem_info_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_ctl_elem_info_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_ctl_elem_info_t
+ * \param obj pointer to object to free
+ */
+void snd_ctl_elem_info_free(snd_ctl_elem_info_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief clear given #snd_ctl_elem_info_t object
+ * \param obj pointer to object to clear
+ */
+void snd_ctl_elem_info_clear(snd_ctl_elem_info_t *obj)
+{
+ memset(obj, 0, sizeof(snd_ctl_elem_info_t));
+}
+
+/**
+ * \brief copy one #snd_ctl_elem_info_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_ctl_elem_info_copy(snd_ctl_elem_info_t *dst, const snd_ctl_elem_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get type from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return CTL element content type
+ */
+snd_ctl_elem_type_t snd_ctl_elem_info_get_type(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->type;
+}
+
+/**
+ * \brief Get info about readability from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return 0 if element is not readable, 1 if element is readable
+ */
+int snd_ctl_elem_info_is_readable(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_READ);
+}
+
+/**
+ * \brief Get info about writability from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return 0 if element is not writable, 1 if element is not writable
+ */
+int snd_ctl_elem_info_is_writable(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_WRITE);
+}
+
+/**
+ * \brief Get info about notification feasibility from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return 0 if all element value changes are notified to subscribed applications, 1 otherwise
+ */
+int snd_ctl_elem_info_is_volatile(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE);
+}
+
+/**
+ * \brief Get info about status from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return 0 if element value is not active, 1 if is active
+ */
+int snd_ctl_elem_info_is_inactive(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_INACTIVE);
+}
+
+/**
+ * \brief Get info whether an element is locked
+ * \param obj CTL element id/info
+ * \return 0 if element value is currently changeable, 1 if it's locked by another application
+ */
+int snd_ctl_elem_info_is_locked(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_LOCK);
+}
+
+/**
+ * \brief Get info if I own an element
+ * \param obj CTL element id/info
+ * \return 0 if element value is currently changeable, 1 if it's locked by another application
+ */
+int snd_ctl_elem_info_is_owner(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_OWNER);
+}
+
+/**
+ * \brief Get info if it's a user element
+ * \param obj CTL element id/info
+ * \return 0 if element value is a system element, 1 if it's a user-created element
+ */
+int snd_ctl_elem_info_is_user(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_USER);
+}
+
+/**
+ * \brief Get info about TLV readability from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return 0 if element's TLV is not readable, 1 if element's TLV is readable
+ */
+int snd_ctl_elem_info_is_tlv_readable(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ);
+}
+
+/**
+ * \brief Get info about TLV writeability from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return 0 if element's TLV is not writable, 1 if element's TLV is writable
+ */
+int snd_ctl_elem_info_is_tlv_writable(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE);
+}
+
+/**
+ * \brief Get info about TLV command possibility from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return 0 if element's TLV command is not possible, 1 if element's TLV command is supported
+ */
+int snd_ctl_elem_info_is_tlv_commandable(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return !!(obj->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND);
+}
+
+/**
+ * \brief (DEPRECATED) Get info about values passing policy from a CTL element value
+ * \param obj CTL element id/info
+ * \return 0 if element value need to be passed by contents, 1 if need to be passed with a pointer
+ */
+int snd_ctl_elem_info_is_indirect(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return 0;
+}
+link_warning(snd_ctl_elem_info_is_indirect, "Warning: snd_ctl_elem_info_is_indirect is deprecated, do not use it");
+
+/**
+ * \brief Get owner of a locked element
+ * \param obj CTL element id/info
+ * \return value entries count
+ */
+pid_t snd_ctl_elem_info_get_owner(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->owner;
+}
+
+/**
+ * \brief Get number of value entries from a CTL element id/info
+ * \param obj CTL element id/info
+ * \return value entries count
+ */
+unsigned int snd_ctl_elem_info_get_count(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->count;
+}
+
+/**
+ * \brief Get minimum value from a #SND_CTL_ELEM_TYPE_INTEGER CTL element id/info
+ * \param obj CTL element id/info
+ * \return Minimum value
+ */
+long snd_ctl_elem_info_get_min(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER);
+ return obj->value.integer.min;
+}
+
+/**
+ * \brief Get maximum value from a #SND_CTL_ELEM_TYPE_INTEGER CTL element id/info
+ * \param obj CTL element id/info
+ * \return Maximum value
+ */
+long snd_ctl_elem_info_get_max(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER);
+ return obj->value.integer.max;
+}
+
+/**
+ * \brief Get value step from a #SND_CTL_ELEM_TYPE_INTEGER CTL element id/info
+ * \param obj CTL element id/info
+ * \return Step
+ */
+long snd_ctl_elem_info_get_step(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER);
+ return obj->value.integer.step;
+}
+
+/**
+ * \brief Get minimum value from a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/info
+ * \param obj CTL element id/info
+ * \return Minimum value
+ */
+long long snd_ctl_elem_info_get_min64(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER64);
+ return obj->value.integer64.min;
+}
+
+/**
+ * \brief Get maximum value from a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/info
+ * \param obj CTL element id/info
+ * \return Maximum value
+ */
+long long snd_ctl_elem_info_get_max64(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER64);
+ return obj->value.integer64.max;
+}
+
+/**
+ * \brief Get value step from a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/info
+ * \param obj CTL element id/info
+ * \return Step
+ */
+long long snd_ctl_elem_info_get_step64(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER64);
+ return obj->value.integer64.step;
+}
+
+/**
+ * \brief Get number of items available from a #SND_CTL_ELEM_TYPE_ENUMERATED CTL element id/info
+ * \param obj CTL element id/info
+ * \return items count
+ */
+unsigned int snd_ctl_elem_info_get_items(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_ENUMERATED);
+ return obj->value.enumerated.items;
+}
+
+/**
+ * \brief Select item in a #SND_CTL_ELEM_TYPE_ENUMERATED CTL element id/info
+ * \param obj CTL element id/info
+ * \param val item number
+ */
+void snd_ctl_elem_info_set_item(snd_ctl_elem_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->value.enumerated.item = val;
+}
+
+/**
+ * \brief Get name for selected item in a #SND_CTL_ELEM_TYPE_ENUMERATED CTL element id/info
+ * \param obj CTL element id/info
+ * \return name of chosen item
+ */
+const char *snd_ctl_elem_info_get_item_name(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ assert(obj->type == SND_CTL_ELEM_TYPE_ENUMERATED);
+ return obj->value.enumerated.name;
+}
+
+/**
+ * \brief Get count of dimensions for given element
+ * \param obj CTL element id/info
+ * \return zero value if no dimensions are defined, otherwise positive value with count of dimensions
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_ctl_elem_info_get_dimensions)(const snd_ctl_elem_info_t *obj)
+#else
+int snd_ctl_elem_info_get_dimensions(const snd_ctl_elem_info_t *obj)
+#endif
+{
+ int i;
+
+ assert(obj);
+ for (i = 3; i >= 0; i--)
+ if (obj->dimen.d[i])
+ break;
+ return i + 1;
+}
+use_default_symbol_version(__snd_ctl_elem_info_get_dimensions, snd_ctl_elem_info_get_dimensions, ALSA_0.9.3);
+
+/**
+ * \brief Get specified of dimension width for given element
+ * \param obj CTL element id/info
+ * \param idx The dimension index
+ * \return zero value if no dimension width is defined, otherwise positive value with with of specified dimension
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_ctl_elem_info_get_dimension)(const snd_ctl_elem_info_t *obj, unsigned int idx)
+#else
+int snd_ctl_elem_info_get_dimension(const snd_ctl_elem_info_t *obj, unsigned int idx)
+#endif
+{
+ assert(obj);
+ if (idx >= 3)
+ return 0;
+ return obj->dimen.d[idx];
+}
+use_default_symbol_version(__snd_ctl_elem_info_get_dimension, snd_ctl_elem_info_get_dimension, ALSA_0.9.3);
+
+/**
+ * \brief Get CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param ptr Pointer to returned CTL element identifier
+ */
+void snd_ctl_elem_info_get_id(const snd_ctl_elem_info_t *obj, snd_ctl_elem_id_t *ptr)
+{
+ assert(obj && ptr);
+ *ptr = obj->id;
+}
+
+/**
+ * \brief Get element numeric identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \return element numeric identifier
+ */
+unsigned int snd_ctl_elem_info_get_numid(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->id.numid;
+}
+
+/**
+ * \brief Get interface part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \return interface part of element identifier
+ */
+snd_ctl_elem_iface_t snd_ctl_elem_info_get_interface(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->id.iface;
+}
+
+/**
+ * \brief Get device part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \return device part of element identifier
+ */
+unsigned int snd_ctl_elem_info_get_device(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->id.device;
+}
+
+/**
+ * \brief Get subdevice part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \return subdevice part of element identifier
+ */
+unsigned int snd_ctl_elem_info_get_subdevice(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->id.subdevice;
+}
+
+/**
+ * \brief Get name part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \return name part of element identifier
+ */
+const char *snd_ctl_elem_info_get_name(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->id.name;
+}
+
+/**
+ * \brief Get index part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \return index part of element identifier
+ */
+unsigned int snd_ctl_elem_info_get_index(const snd_ctl_elem_info_t *obj)
+{
+ assert(obj);
+ return obj->id.index;
+}
+
+/**
+ * \brief Set CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param ptr CTL element identifier
+ */
+void snd_ctl_elem_info_set_id(snd_ctl_elem_info_t *obj, const snd_ctl_elem_id_t *ptr)
+{
+ assert(obj && ptr);
+ obj->id = *ptr;
+}
+
+/**
+ * \brief Set element numeric identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param val element numeric identifier
+ */
+void snd_ctl_elem_info_set_numid(snd_ctl_elem_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.numid = val;
+}
+
+/**
+ * \brief Set interface part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param val interface part of element identifier
+ */
+void snd_ctl_elem_info_set_interface(snd_ctl_elem_info_t *obj, snd_ctl_elem_iface_t val)
+{
+ assert(obj);
+ obj->id.iface = val;
+}
+
+/**
+ * \brief Set device part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param val device part of element identifier
+ */
+void snd_ctl_elem_info_set_device(snd_ctl_elem_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.device = val;
+}
+
+/**
+ * \brief Set subdevice part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param val subdevice part of element identifier
+ */
+void snd_ctl_elem_info_set_subdevice(snd_ctl_elem_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.subdevice = val;
+}
+
+/**
+ * \brief Set name part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param val name part of element identifier
+ */
+void snd_ctl_elem_info_set_name(snd_ctl_elem_info_t *obj, const char *val)
+{
+ assert(obj);
+ strncpy((char *)obj->id.name, val, sizeof(obj->id.name));
+}
+
+/**
+ * \brief Set index part of CTL element identifier of a CTL element id/info
+ * \param obj CTL element id/info
+ * \param val index part of element identifier
+ */
+void snd_ctl_elem_info_set_index(snd_ctl_elem_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.index = val;
+}
+
+/**
+ * \brief get size of #snd_ctl_elem_value_t
+ * \return size in bytes
+ */
+size_t snd_ctl_elem_value_sizeof()
+{
+ return sizeof(snd_ctl_elem_value_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_ctl_elem_value_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_ctl_elem_value_malloc(snd_ctl_elem_value_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_ctl_elem_value_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_ctl_elem_value_t
+ * \param obj pointer to object to free
+ */
+void snd_ctl_elem_value_free(snd_ctl_elem_value_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief clear given #snd_ctl_elem_value_t object
+ * \param obj pointer to object to clear
+ */
+void snd_ctl_elem_value_clear(snd_ctl_elem_value_t *obj)
+{
+ memset(obj, 0, sizeof(snd_ctl_elem_value_t));
+}
+
+/**
+ * \brief copy one #snd_ctl_elem_value_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_ctl_elem_value_copy(snd_ctl_elem_value_t *dst, const snd_ctl_elem_value_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief compare one #snd_ctl_elem_value_t to another
+ * \param left pointer to first value
+ * \param right pointer to second value
+ * \return 0 on match, less than or greater than otherwise, see memcmp
+ */
+int snd_ctl_elem_value_compare(snd_ctl_elem_value_t *left, const snd_ctl_elem_value_t *right)
+{
+ assert(left && right);
+ return memcmp(left, right, sizeof(*left));
+}
+
+/**
+ * \brief Get CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param ptr Pointer to returned CTL element identifier
+ */
+void snd_ctl_elem_value_get_id(const snd_ctl_elem_value_t *obj, snd_ctl_elem_id_t *ptr)
+{
+ assert(obj && ptr);
+ *ptr = obj->id;
+}
+
+/**
+ * \brief Get element numeric identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return element numeric identifier
+ */
+unsigned int snd_ctl_elem_value_get_numid(const snd_ctl_elem_value_t *obj)
+{
+ assert(obj);
+ return obj->id.numid;
+}
+
+/**
+ * \brief Get interface part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return interface part of element identifier
+ */
+snd_ctl_elem_iface_t snd_ctl_elem_value_get_interface(const snd_ctl_elem_value_t *obj)
+{
+ assert(obj);
+ return obj->id.iface;
+}
+
+/**
+ * \brief Get device part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return device part of element identifier
+ */
+unsigned int snd_ctl_elem_value_get_device(const snd_ctl_elem_value_t *obj)
+{
+ assert(obj);
+ return obj->id.device;
+}
+
+/**
+ * \brief Get subdevice part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return subdevice part of element identifier
+ */
+unsigned int snd_ctl_elem_value_get_subdevice(const snd_ctl_elem_value_t *obj)
+{
+ assert(obj);
+ return obj->id.subdevice;
+}
+
+/**
+ * \brief Get name part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return name part of element identifier
+ */
+const char *snd_ctl_elem_value_get_name(const snd_ctl_elem_value_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->id.name;
+}
+
+/**
+ * \brief Get index part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return index part of element identifier
+ */
+unsigned int snd_ctl_elem_value_get_index(const snd_ctl_elem_value_t *obj)
+{
+ assert(obj);
+ return obj->id.index;
+}
+
+/**
+ * \brief Set CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param ptr CTL element identifier
+ */
+void snd_ctl_elem_value_set_id(snd_ctl_elem_value_t *obj, const snd_ctl_elem_id_t *ptr)
+{
+ assert(obj && ptr);
+ obj->id = *ptr;
+}
+
+/**
+ * \brief Set element numeric identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param val element numeric identifier
+ */
+void snd_ctl_elem_value_set_numid(snd_ctl_elem_value_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.numid = val;
+}
+
+/**
+ * \brief Set interface part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param val interface part of element identifier
+ */
+void snd_ctl_elem_value_set_interface(snd_ctl_elem_value_t *obj, snd_ctl_elem_iface_t val)
+{
+ assert(obj);
+ obj->id.iface = val;
+}
+
+/**
+ * \brief Set device part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param val device part of element identifier
+ */
+void snd_ctl_elem_value_set_device(snd_ctl_elem_value_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.device = val;
+}
+
+/**
+ * \brief Set subdevice part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param val subdevice part of element identifier
+ */
+void snd_ctl_elem_value_set_subdevice(snd_ctl_elem_value_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.subdevice = val;
+}
+
+/**
+ * \brief Set name part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param val name part of element identifier
+ */
+void snd_ctl_elem_value_set_name(snd_ctl_elem_value_t *obj, const char *val)
+{
+ assert(obj);
+ strncpy((char *)obj->id.name, val, sizeof(obj->id.name));
+}
+
+/**
+ * \brief Set index part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param val index part of element identifier
+ */
+void snd_ctl_elem_value_set_index(snd_ctl_elem_value_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->id.index = val;
+}
+
+/**
+ * \brief Get value for an entry of a #SND_CTL_ELEM_TYPE_BOOLEAN CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \return value for the entry
+ */
+int snd_ctl_elem_value_get_boolean(const snd_ctl_elem_value_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < sizeof(obj->value.integer.value) / sizeof(obj->value.integer.value[0]));
+ return obj->value.integer.value[idx];
+}
+
+/**
+ * \brief Get value for an entry of a #SND_CTL_ELEM_TYPE_INTEGER CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \return value for the entry
+ */
+long snd_ctl_elem_value_get_integer(const snd_ctl_elem_value_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < sizeof(obj->value.integer.value) / sizeof(obj->value.integer.value[0]));
+ return obj->value.integer.value[idx];
+}
+
+/**
+ * \brief Get value for an entry of a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \return value for the entry
+ */
+long long snd_ctl_elem_value_get_integer64(const snd_ctl_elem_value_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < sizeof(obj->value.integer64.value) / sizeof(obj->value.integer64.value[0]));
+ return obj->value.integer64.value[idx];
+}
+
+/**
+ * \brief Get value for an entry of a #SND_CTL_ELEM_TYPE_ENUMERATED CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \return value for the entry
+ */
+unsigned int snd_ctl_elem_value_get_enumerated(const snd_ctl_elem_value_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < sizeof(obj->value.enumerated.item) / sizeof(obj->value.enumerated.item[0]));
+ return obj->value.enumerated.item[idx];
+}
+
+/**
+ * \brief Get value for an entry of a #SND_CTL_ELEM_TYPE_BYTES CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \return value for the entry
+ */
+unsigned char snd_ctl_elem_value_get_byte(const snd_ctl_elem_value_t *obj, unsigned int idx)
+{
+ assert(obj);
+ assert(idx < sizeof(obj->value.bytes.data));
+ return obj->value.bytes.data[idx];
+}
+
+/**
+ * \brief Set value for an entry of a #SND_CTL_ELEM_TYPE_BOOLEAN CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \param val value for the entry
+ */
+void snd_ctl_elem_value_set_boolean(snd_ctl_elem_value_t *obj, unsigned int idx, long val)
+{
+ assert(obj);
+ obj->value.integer.value[idx] = val;
+}
+
+/**
+ * \brief Set value for an entry of a #SND_CTL_ELEM_TYPE_INTEGER CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \param val value for the entry
+ */
+void snd_ctl_elem_value_set_integer(snd_ctl_elem_value_t *obj, unsigned int idx, long val)
+{
+ assert(obj);
+ obj->value.integer.value[idx] = val;
+}
+
+/**
+ * \brief Set value for an entry of a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \param val value for the entry
+ */
+void snd_ctl_elem_value_set_integer64(snd_ctl_elem_value_t *obj, unsigned int idx, long long val)
+{
+ assert(obj);
+ obj->value.integer64.value[idx] = val;
+}
+
+/**
+ * \brief Set value for an entry of a #SND_CTL_ELEM_TYPE_ENUMERATED CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \param val value for the entry
+ */
+void snd_ctl_elem_value_set_enumerated(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned int val)
+{
+ assert(obj);
+ obj->value.enumerated.item[idx] = val;
+}
+
+/**
+ * \brief Set value for an entry of a #SND_CTL_ELEM_TYPE_BYTES CTL element id/value
+ * \param obj CTL element id/value
+ * \param idx Entry index
+ * \param val value for the entry
+ */
+void snd_ctl_elem_value_set_byte(snd_ctl_elem_value_t *obj, unsigned int idx, unsigned char val)
+{
+ assert(obj);
+ obj->value.bytes.data[idx] = val;
+}
+
+/**
+ * \brief Set CTL element #SND_CTL_ELEM_TYPE_BYTES value
+ * \param obj CTL handle
+ * \param data Bytes value
+ * \param size Size in bytes
+ */
+void snd_ctl_elem_set_bytes(snd_ctl_elem_value_t *obj, void *data, size_t size)
+{
+ assert(obj);
+ if (size >= sizeof(obj->value.bytes.data)) {
+ assert(0);
+ return;
+ }
+ memcpy(obj->value.bytes.data, data, size);
+}
+
+/**
+ * \brief Get value for a #SND_CTL_ELEM_TYPE_BYTES CTL element id/value
+ * \param obj CTL element id/value
+ * \return Pointer to CTL element value
+ */
+const void * snd_ctl_elem_value_get_bytes(const snd_ctl_elem_value_t *obj)
+{
+ assert(obj);
+ return obj->value.bytes.data;
+}
+
+/**
+ * \brief Get value for a #SND_CTL_ELEM_TYPE_IEC958 CTL element id/value
+ * \param obj CTL element id/value
+ * \param ptr Pointer to returned CTL element value
+ */
+void snd_ctl_elem_value_get_iec958(const snd_ctl_elem_value_t *obj, snd_aes_iec958_t *ptr)
+{
+ assert(obj && ptr);
+ memcpy(ptr, &obj->value.iec958, sizeof(*ptr));
+}
+
+/**
+ * \brief Set value for a #SND_CTL_ELEM_TYPE_IEC958 CTL element id/value
+ * \param obj CTL element id/value
+ * \param ptr Pointer to CTL element value
+ */
+void snd_ctl_elem_value_set_iec958(snd_ctl_elem_value_t *obj, const snd_aes_iec958_t *ptr)
+{
+ assert(obj && ptr);
+ memcpy(&obj->value.iec958, ptr, sizeof(obj->value.iec958));
+}
+
diff --git a/src/control/control_ext.c b/src/control/control_ext.c
new file mode 100644
index 0000000..56552fa
--- /dev/null
+++ b/src/control/control_ext.c
@@ -0,0 +1,738 @@
+/**
+ * \file control/control_ext.c
+ * \ingroup CtlPlugin_SDK
+ * \brief External Control Plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2005
+ */
+/*
+ * Control Interface - External Control Plugin SDK
+ *
+ * Copyright (c) 2005 Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include "control_local.h"
+#include "control_external.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_control_ext = "";
+#endif
+
+static int snd_ctl_ext_close(snd_ctl_t *handle)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ if (ext->callback->close)
+ ext->callback->close(ext);
+ return 0;
+}
+
+static int snd_ctl_ext_nonblock(snd_ctl_t *handle, int nonblock)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ ext->nonblock = nonblock;
+ return 0;
+}
+
+static int snd_ctl_ext_async(snd_ctl_t *ctl ATTRIBUTE_UNUSED,
+ int sig ATTRIBUTE_UNUSED,
+ pid_t pid ATTRIBUTE_UNUSED)
+{
+ return -ENOSYS;
+}
+
+static int snd_ctl_ext_subscribe_events(snd_ctl_t *handle, int subscribe)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ if (subscribe < 0)
+ return ext->subscribed;
+ ext->subscribed = !!subscribe;
+ if (ext->callback->subscribe_events)
+ ext->callback->subscribe_events(ext, subscribe);
+ return 0;
+}
+
+static int snd_ctl_ext_card_info(snd_ctl_t *handle, snd_ctl_card_info_t *info)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ memset(info, 0, sizeof(*info));
+ info->card = ext->card_idx;
+ memcpy(info->id, ext->id, sizeof(info->id));
+ memcpy(info->driver, ext->driver, sizeof(info->driver));
+ memcpy(info->name, ext->name, sizeof(info->name));
+ memcpy(info->longname, ext->longname, sizeof(info->longname));
+ memcpy(info->mixername, ext->mixername, sizeof(info->mixername));
+ return 0;
+}
+
+static int snd_ctl_ext_elem_list(snd_ctl_t *handle, snd_ctl_elem_list_t *list)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+ int ret;
+ unsigned int i, offset;
+ snd_ctl_elem_id_t *ids;
+
+ list->count = ext->callback->elem_count(ext);
+ list->used = 0;
+ ids = list->pids;
+ offset = list->offset;
+ for (i = 0; i < list->space; i++) {
+ if (offset >= list->count)
+ break;
+ snd_ctl_elem_id_clear(ids);
+ ret = ext->callback->elem_list(ext, offset, ids);
+ if (ret < 0)
+ return ret;
+ ids->numid = offset + 1; /* fake number */
+ list->used++;
+ offset++;
+ ids++;
+ }
+ return 0;
+}
+
+static snd_ctl_ext_key_t get_elem(snd_ctl_ext_t *ext, snd_ctl_elem_id_t *id)
+{
+ int numid = id->numid;
+ if (numid > 0) {
+ ext->callback->elem_list(ext, numid - 1, id);
+ id->numid = numid;
+ } else
+ id->numid = 0;
+ return ext->callback->find_elem(ext, id);
+}
+
+static int snd_ctl_ext_elem_info(snd_ctl_t *handle, snd_ctl_elem_info_t *info)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+ snd_ctl_ext_key_t key;
+ int type, ret;
+
+ key = get_elem(ext, &info->id);
+ if (key == SND_CTL_EXT_KEY_NOT_FOUND)
+ return -ENOENT;
+ ret = ext->callback->get_attribute(ext, key, &type, &info->access, &info->count);
+ if (ret < 0)
+ goto err;
+ info->type = type;
+ ret = -EINVAL;
+ switch (info->type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ info->value.integer.min = 0;
+ info->value.integer.max = 1;
+ ret = 0;
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ if (! ext->callback->get_integer_info)
+ goto err;
+ ret = ext->callback->get_integer_info(ext, key, &info->value.integer.min,
+ &info->value.integer.max,
+ &info->value.integer.step);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ if (! ext->callback->get_integer64_info)
+ goto err;
+ {
+ int64_t xmin, xmax, xstep;
+ ret = ext->callback->get_integer64_info(ext, key,
+ &xmin,
+ &xmax,
+ &xstep);
+ info->value.integer64.min = xmin;
+ info->value.integer64.max = xmax;
+ info->value.integer64.step = xstep;
+ }
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ if (! ext->callback->get_enumerated_info)
+ goto err;
+ ret = ext->callback->get_enumerated_info(ext, key, &info->value.enumerated.items);
+ ext->callback->get_enumerated_name(ext, key, info->value.enumerated.item,
+ info->value.enumerated.name,
+ sizeof(info->value.enumerated.name));
+ break;
+ default:
+ ret = 0;
+ break;
+ }
+
+ err:
+ if (ext->callback->free_key)
+ ext->callback->free_key(ext, key);
+
+ return ret;
+}
+
+static int snd_ctl_ext_elem_add(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_ctl_elem_info_t *info ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_elem_replace(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_ctl_elem_info_t *info ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_elem_remove(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_ctl_elem_id_t *id ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_elem_read(snd_ctl_t *handle, snd_ctl_elem_value_t *control)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+ snd_ctl_ext_key_t key;
+ int type, ret;
+ unsigned int access, count;
+
+ key = get_elem(ext, &control->id);
+ if (key == SND_CTL_EXT_KEY_NOT_FOUND)
+ return -ENOENT;
+ ret = ext->callback->get_attribute(ext, key, &type, &access, &count);
+ if (ret < 0)
+ goto err;
+ ret = -EINVAL;
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ if (! ext->callback->read_integer)
+ goto err;
+ ret = ext->callback->read_integer(ext, key, control->value.integer.value);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ if (! ext->callback->read_integer64)
+ goto err;
+ ret = ext->callback->read_integer64(ext, key,
+ (int64_t*)control->value.integer64.value);
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ if (! ext->callback->read_enumerated)
+ goto err;
+ ret = ext->callback->read_enumerated(ext, key, control->value.enumerated.item);
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ if (! ext->callback->read_bytes)
+ goto err;
+ ret = ext->callback->read_bytes(ext, key, control->value.bytes.data,
+ sizeof(control->value.bytes.data));
+ break;
+ case SND_CTL_ELEM_TYPE_IEC958:
+ if (! ext->callback->read_iec958)
+ goto err;
+ ret = ext->callback->read_iec958(ext, key, (snd_aes_iec958_t *)&control->value.iec958);
+ break;
+ default:
+ break;
+ }
+
+ err:
+ if (ext->callback->free_key)
+ ext->callback->free_key(ext, key);
+
+ return ret;
+}
+
+static int snd_ctl_ext_elem_write(snd_ctl_t *handle, snd_ctl_elem_value_t *control)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+ snd_ctl_ext_key_t key;
+ int type, ret;
+ unsigned int access, count;
+
+ key = get_elem(ext, &control->id);
+ if (key == SND_CTL_EXT_KEY_NOT_FOUND)
+ return -ENOENT;
+ ret = ext->callback->get_attribute(ext, key, &type, &access, &count);
+ if (ret < 0)
+ goto err;
+ ret = -EINVAL;
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ if (! ext->callback->write_integer)
+ goto err;
+ ret = ext->callback->write_integer(ext, key, control->value.integer.value);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ if (! ext->callback->write_integer64)
+ goto err;
+ ret = ext->callback->write_integer64(ext, key, (int64_t *)control->value.integer64.value);
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ if (! ext->callback->write_enumerated)
+ goto err;
+ ret = ext->callback->write_enumerated(ext, key, control->value.enumerated.item);
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ if (! ext->callback->write_bytes)
+ goto err;
+ ret = ext->callback->write_bytes(ext, key, control->value.bytes.data,
+ sizeof(control->value.bytes.data));
+ break;
+ case SND_CTL_ELEM_TYPE_IEC958:
+ if (! ext->callback->write_iec958)
+ goto err;
+ ret = ext->callback->write_iec958(ext, key, (snd_aes_iec958_t *)&control->value.iec958);
+ break;
+ default:
+ break;
+ }
+
+ err:
+ if (ext->callback->free_key)
+ ext->callback->free_key(ext, key);
+
+ return ret;
+}
+
+static int snd_ctl_ext_elem_lock(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_ctl_elem_id_t *id ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_elem_unlock(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_ctl_elem_id_t *id ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_elem_tlv(snd_ctl_t *handle, int op_flag,
+ unsigned int numid,
+ unsigned int *tlv, unsigned int tlv_size)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+ snd_ctl_ext_key_t key;
+ int type, ret;
+ unsigned int access, count, len;
+ snd_ctl_elem_id_t id;
+
+ /* we don't support TLV on protocol ver 1.0.0 or earlier */
+ if (ext->version <= SNDRV_PROTOCOL_VERSION(1, 0, 0))
+ return -ENXIO;
+
+ snd_ctl_elem_id_clear(&id);
+ if (numid > 0) {
+ ext->callback->elem_list(ext, numid - 1, &id);
+ id.numid = numid;
+ } else
+ id.numid = 0;
+ key = ext->callback->find_elem(ext, &id);
+
+ if (key == SND_CTL_EXT_KEY_NOT_FOUND)
+ return -ENOENT;
+ ret = ext->callback->get_attribute(ext, key, &type, &access, &count);
+ if (ret < 0)
+ return ret;
+
+ if ((op_flag == 0 && (access & SND_CTL_EXT_ACCESS_TLV_READ) == 0) ||
+ (op_flag > 0 && (access & SND_CTL_EXT_ACCESS_TLV_WRITE) == 0) ||
+ (op_flag < 0 && (access & SND_CTL_EXT_ACCESS_TLV_COMMAND) == 0))
+ return -ENXIO;
+ if (access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
+ return ext->tlv.c(ext, key, op_flag, numid, tlv, tlv_size);
+ } else {
+ if (op_flag)
+ return -ENXIO;
+ len = ext->tlv.p[1] + 2 * sizeof(unsigned int);
+ if (tlv_size < len)
+ return -ENOMEM;
+ memcpy(tlv, ext->tlv.p, len);
+ return 0;
+ }
+}
+
+static int snd_ctl_ext_next_device(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ int *device ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_prefer_subdevice(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ int subdev ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_hwdep_info(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_hwdep_info_t *info ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_pcm_info(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_pcm_info_t *info ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_rawmidi_info(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ snd_rawmidi_info_t *info ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_ctl_ext_set_power_state(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ unsigned int state ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_ctl_ext_get_power_state(snd_ctl_t *handle ATTRIBUTE_UNUSED,
+ unsigned int *state ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_ctl_ext_read(snd_ctl_t *handle, snd_ctl_event_t *event)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ memset(event, 0, sizeof(*event));
+ return ext->callback->read_event(ext, &event->data.elem.id, &event->data.elem.mask);
+}
+
+static int snd_ctl_ext_poll_descriptors_count(snd_ctl_t *handle)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ if (ext->callback->poll_descriptors_count)
+ return ext->callback->poll_descriptors_count(ext);
+ if (ext->poll_fd >= 0)
+ return 1;
+ return 0;
+}
+
+static int snd_ctl_ext_poll_descriptors(snd_ctl_t *handle, struct pollfd *pfds, unsigned int space)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ if (ext->callback->poll_descriptors)
+ return ext->callback->poll_descriptors(ext, pfds, space);
+ if (ext->poll_fd < 0)
+ return 0;
+ if (space > 0) {
+ pfds->fd = ext->poll_fd;
+ pfds->events = POLLIN|POLLERR|POLLNVAL;
+ return 1;
+ }
+ return 0;
+}
+
+static int snd_ctl_ext_poll_revents(snd_ctl_t *handle, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ snd_ctl_ext_t *ext = handle->private_data;
+
+ if (ext->callback->poll_revents)
+ return ext->callback->poll_revents(ext, pfds, nfds, revents);
+ if (nfds == 1) {
+ *revents = pfds->revents;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static const snd_ctl_ops_t snd_ctl_ext_ops = {
+ .close = snd_ctl_ext_close,
+ .nonblock = snd_ctl_ext_nonblock,
+ .async = snd_ctl_ext_async,
+ .subscribe_events = snd_ctl_ext_subscribe_events,
+ .card_info = snd_ctl_ext_card_info,
+ .element_list = snd_ctl_ext_elem_list,
+ .element_info = snd_ctl_ext_elem_info,
+ .element_add = snd_ctl_ext_elem_add,
+ .element_replace = snd_ctl_ext_elem_replace,
+ .element_remove = snd_ctl_ext_elem_remove,
+ .element_read = snd_ctl_ext_elem_read,
+ .element_write = snd_ctl_ext_elem_write,
+ .element_lock = snd_ctl_ext_elem_lock,
+ .element_unlock = snd_ctl_ext_elem_unlock,
+ .element_tlv = snd_ctl_ext_elem_tlv,
+ .hwdep_next_device = snd_ctl_ext_next_device,
+ .hwdep_info = snd_ctl_ext_hwdep_info,
+ .pcm_next_device = snd_ctl_ext_next_device,
+ .pcm_info = snd_ctl_ext_pcm_info,
+ .pcm_prefer_subdevice = snd_ctl_ext_prefer_subdevice,
+ .rawmidi_next_device = snd_ctl_rawmidi_next_device,
+ .rawmidi_info = snd_ctl_ext_rawmidi_info,
+ .rawmidi_prefer_subdevice = snd_ctl_ext_prefer_subdevice,
+ .set_power_state = snd_ctl_ext_set_power_state,
+ .get_power_state = snd_ctl_ext_get_power_state,
+ .read = snd_ctl_ext_read,
+ .poll_descriptors_count = snd_ctl_ext_poll_descriptors_count,
+ .poll_descriptors = snd_ctl_ext_poll_descriptors,
+ .poll_revents = snd_ctl_ext_poll_revents,
+};
+
+/*
+ * Exported functions
+ */
+
+/*! \page ctl_external_plugins External Control Plugin SDK
+
+\section ctl_externals External Control Plugins
+
+The external plugins are implemented in a shared object file located
+at /usr/lib/alsa-lib (the exact location depends on the build option
+and asoundrc configuration). It has to be the file like
+libasound_module_ctl_MYPLUGIN.so, where MYPLUGIN corresponds to your
+own plugin name.
+
+The entry point of the plugin is defined via
+#SND_CTL_PLUGIN_DEFINE_FUNC() macro. This macro defines the function
+with a proper name to be referred from alsa-lib. The function takes
+the following 5 arguments:
+\code
+int (snd_ctl_t **phandle, const char *name, snd_config_t *root,
+ snd_config_t *conf, int mode)
+\endcode
+The first argument, phandle, is the pointer to store the resultant control
+handle. The arguments name, root and mode are the parameters
+to be passed to the plugin constructor. The conf is the configuration
+tree for the plugin. The arguments above are defined in the macro
+itself, so don't use variables with the same names to shadow
+parameters.
+
+After parsing the configuration parameters in the given conf tree,
+usually you will call the external plugin API function
+#snd_ctl_ext_create().
+The control handle must be filled *phandle in return.
+Then this function must return either a value 0 when succeeded, or a
+negative value as the error code.
+
+Finally, add #SND_CTL_PLUGIN_SYMBOL() with the name of your
+plugin as the argument at the end. This defines the proper versioned
+symbol as the reference.
+
+The typical code would look like below:
+\code
+struct myctl_info {
+ snd_ctl_ext_t ext;
+ int my_own_data;
+ ...
+};
+
+SND_CTL_PLUGIN_DEFINE_FUNC(myctl)
+{
+ snd_config_iterator_t i, next;
+ struct myctl_info *myctl;
+ int err;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0 || strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "my_own_parameter") == 0) {
+ ....
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+
+ myctl = calloc(1, sizeof(*myctl));
+ if (myctl == NULL)
+ return -ENOMEM;
+
+ myctl->ext.version = SND_CTL_EXT_VERSION;
+ myctl->ext.card_idx = 0;
+ strcpy(myctl->ext.id, "Myctl");
+ strcpy(myctl->ext.name, "My Control");
+ strcpy(myctl->ext.longname, "My External Control for Foobar");
+ strcpy(myctl->ext.mixername, "My Control");
+ myctl->ext.callback = &my_own_callback;
+ myctl->ext.private_data = myctl;
+ ....
+
+ err = snd_pcm_extplug_create(&myctl->ext, name, mode);
+ if (err < 0) {
+ myctl_free(myctl);
+ return err;
+ }
+
+ *phandle = myctl->ext.handle;
+ return 0;
+}
+
+SND_CTL_PLUGIN_SYMBOL(myctl);
+\endcode
+
+Read the codes in alsa-plugins package for the real examples.
+
+
+\section ctl_ext_impl Implementation of External Control Plugins
+
+The following fields have to be filled in external control record before calling
+#snd_ctl_ext_create() : version, card_idx, id, name, longname, mixername, poll_fd and callback.
+Otherfields are optional and should be initialized with zero.
+
+The constant #SND_CTL_EXT_VERSION must be passed to the version
+field for the version check in alsa-lib. The card_idx field specifies the card
+index of this control. [FIXME: solve confliction of card index in alsa-lib?]
+
+The id, name, longname and mixername fields are the strings shown in the card_info
+inqurirys. They are the char arrays, so you have to <i>copy</i> strings to these
+fields.
+
+The callback field contains the table of callback functions for this plugin (defined as
+#snd_ctl_ext_callback_t).
+The poll_fd can be used to specify the poll file descriptor for this control.
+Set -1 if not available. Alternatively, you can define poll_descriptors_count and
+poll_descriptors callbacks in the callback table for handling the poll descriptor(s)
+dynamically after the creation of plugin instance.
+
+The driver can set an arbitrary value (pointer) to private_data
+field to refer its own data in the callbacks.
+
+The rest fields are filled by #snd_ctl_ext_create(). The handle field
+is the resultant PCM handle. The others are the current status of the
+PCM.
+
+\section ctl_ext_impl Callback Functions of External Control Plugins
+
+The callback functions in #snd_ctl_ext_callback_t define the real
+behavior of the driver. There are many callbacks but many of them are optional.
+
+The close callback is called when the PCM is closed. If the plugin
+allocates private resources, this is the place to release them
+again. This callback is optional.
+
+The elem_count and elem_list callbacks are mandatory. The elem_count returns the
+total number of control elements. The elem_list returns the control element ID
+of the corresponding element offset (the offset is from 0 to elem_count - 1).
+The id field is initialized to all zero in prior to elem_list callback. The callback
+has to fill the necessary field (typically iface, name and index) in return via the
+standard control API functions like #snd_ctl_elem_id_set_interface,
+#snd_ctl_elem_id_set_name and #snd_ctl_elem_id_set_index, etc. The callbacks should
+return 0 if successful, or a negative error code.
+
+The find_elem callback is used to convert the given control element ID to the
+certain key value for the faster access to get, read and write callbacks.
+The key type is alias of unsigned long, so you can assign some static number
+(e.g. index of the array) to this value of the corresponding element, or
+assign the pointer (cast to #snd_ctl_ext_key_t). When no key is defined or found,
+return #SND_CTL_EXT_KEY_NOT_FOUND. This callback is (very likely) required
+if you use get, read and write callbacks as follows.
+If you need to create a record dynamically (e.g. via malloc) at each find_elem call,
+the allocated record can be released with the optional free_key callback.
+
+The get_attribute is a mandatory callback, which returns the attribute of the
+control element given via a key value (converted with find_elem callback).
+It must fill the control element type (#snd_ctl_elem_type_t), the access type
+(#snd_ctl_ext_access_t), and the count (element array size). The callback returns
+0 if successful, or a negative error code, as usual.
+
+The get_integer_info, get_integetr64_info and get_enumerated_info callbacks are called
+to return the information of the given control element for each element type.
+For integer and integer64 types, the callbacks need to fill the minimal (imin),
+maximal (imax) and the step (istep) values of the control. For the enumerated type,
+the number of enum items must be filled. Additionally, the enum control has to define
+get_enumerated_name callback to store the name of the enumerated item of the given control
+element. All functions return 0 if successful, or a negative error code.
+
+For reading the current values of a control element, read_integer, read_integer64,
+read_enumerated, read_bytes and read_iec958 callbacks are called depending on the
+element type. These callbacks have to fill the current values of the element in return.
+Note that a control element can be an array. If it contains more than one values
+(i.e. the count value in get_attribute callback is more than 1), <i>all</i> values
+must be filled on the given value pointer as an array. Also, note that the boolean type
+is handled as integer here (although boolean type doesn't need to define the corresponding
+info callback since it's obvious). These callbacks return 0 if successful, or
+a negative error code.
+
+For writing the current values, write_integer, write_integer64, write_bytes, and
+write_iec958 callbacks are called as well as for read. The callbacks should check the
+current values and compare with the given values. If they are identical, the callbacks
+should do nothing and return 0. If they differ, update the current values and return 1,
+instead. For any errors, return a negative error code.
+
+The subscribe_events callback is called when the application subscribes or cancels
+the event notifications (e.g. through mixer API). The current value of event
+subscription is kept in the subscribed field.
+The read_event callback is called for reading a pending notification event.
+The callback needs to fill the event_mask value, a bit-field defined as SND_CTL_EVENT_MASK_XXX.
+If no event is pending, return -EAGAIN. These two callbacks are optional.
+
+The poll_descriptors_count and poll_descriptors callbacks are used to return
+the poll descriptor(s) via callbacks. As already mentioned, if the callback cannot
+set the static poll_fd, you can define these callbacks to return dynamically.
+Also, when multiple poll descriptors are required, use these callbacks.
+The poll_revents callback is used for handle poll revents.
+
+*/
+
+/**
+ * \brief Create an external control plugin instance
+ * \param ext the plugin handle
+ * \param name name of control
+ * \param mode control open mode
+ * \return 0 if successful, or a negative error code
+ *
+ * Creates the external control instance.
+ *
+ */
+int snd_ctl_ext_create(snd_ctl_ext_t *ext, const char *name, int mode)
+{
+ snd_ctl_t *ctl;
+ int err;
+
+ if (ext->version < SNDRV_PROTOCOL_VERSION(1, 0, 0) ||
+ ext->version > SND_CTL_EXT_VERSION) {
+ SNDERR("ctl_ext: Plugin version mismatch\n");
+ return -ENXIO;
+ }
+
+ err = snd_ctl_new(&ctl, SND_CTL_TYPE_EXT, name);
+ if (err < 0)
+ return err;
+
+ ext->handle = ctl;
+
+ ctl->ops = &snd_ctl_ext_ops;
+ ctl->private_data = ext;
+ ctl->poll_fd = ext->poll_fd;
+ if (mode & SND_CTL_NONBLOCK)
+ ext->nonblock = 1;
+
+ return 0;
+}
+
+/**
+ * \brief Delete the external control plugin
+ * \param ext the plugin handle
+ * \return 0 if successful, or a negative error code
+ */
+int snd_ctl_ext_delete(snd_ctl_ext_t *ext)
+{
+ return snd_ctl_close(ext->handle);
+}
diff --git a/src/control/control_hw.c b/src/control/control_hw.c
new file mode 100644
index 0000000..dfc9dcd
--- /dev/null
+++ b/src/control/control_hw.c
@@ -0,0 +1,471 @@
+/*
+ * Control Interface - Hardware
+ * Copyright (c) 1998,1999,2000 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "control_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_control_hw = "";
+#endif
+
+#ifndef F_SETSIG
+#define F_SETSIG 10
+#endif
+
+#ifndef DOC_HIDDEN
+#define SNDRV_FILE_CONTROL ALSA_DEVICE_DIRECTORY "controlC%i"
+#define SNDRV_CTL_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 4)
+
+typedef struct {
+ int card;
+ int fd;
+ unsigned int protocol;
+} snd_ctl_hw_t;
+#endif /* DOC_HIDDEN */
+
+static int snd_ctl_hw_close(snd_ctl_t *handle)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ int res;
+ res = close(hw->fd) < 0 ? -errno : 0;
+ free(hw);
+ return res;
+}
+
+static int snd_ctl_hw_nonblock(snd_ctl_t *handle, int nonblock)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ long flags;
+ int fd = hw->fd;
+ if ((flags = fcntl(fd, F_GETFL)) < 0) {
+ SYSERR("F_GETFL failed");
+ return -errno;
+ }
+ if (nonblock)
+ flags |= O_NONBLOCK;
+ else
+ flags &= ~O_NONBLOCK;
+ if (fcntl(fd, F_SETFL, flags) < 0) {
+ SYSERR("F_SETFL for O_NONBLOCK failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_ctl_hw_async(snd_ctl_t *ctl, int sig, pid_t pid)
+{
+ long flags;
+ snd_ctl_hw_t *hw = ctl->private_data;
+ int fd = hw->fd;
+
+ if ((flags = fcntl(fd, F_GETFL)) < 0) {
+ SYSERR("F_GETFL failed");
+ return -errno;
+ }
+ if (sig >= 0)
+ flags |= O_ASYNC;
+ else
+ flags &= ~O_ASYNC;
+ if (fcntl(fd, F_SETFL, flags) < 0) {
+ SYSERR("F_SETFL for O_ASYNC failed");
+ return -errno;
+ }
+ if (sig < 0)
+ return 0;
+ if (fcntl(fd, F_SETSIG, (long)sig) < 0) {
+ SYSERR("F_SETSIG failed");
+ return -errno;
+ }
+ if (fcntl(fd, F_SETOWN, (long)pid) < 0) {
+ SYSERR("F_SETOWN failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_ctl_hw_subscribe_events(snd_ctl_t *handle, int subscribe)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS, &subscribe) < 0) {
+ SYSERR("SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_ctl_hw_card_info(snd_ctl_t *handle, snd_ctl_card_info_t *info)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_CARD_INFO, info) < 0) {
+ SYSERR("SNDRV_CTL_IOCTL_CARD_INFO failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_ctl_hw_elem_list(snd_ctl_t *handle, snd_ctl_elem_list_t *list)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_LIST, list) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_info(snd_ctl_t *handle, snd_ctl_elem_info_t *info)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_INFO, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_add(snd_ctl_t *handle, snd_ctl_elem_info_t *info)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+
+ if (info->type == SNDRV_CTL_ELEM_TYPE_ENUMERATED &&
+ hw->protocol < SNDRV_PROTOCOL_VERSION(2, 0, 7))
+ return -ENXIO;
+
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_ADD, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_replace(snd_ctl_t *handle, snd_ctl_elem_info_t *info)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+
+ if (info->type == SNDRV_CTL_ELEM_TYPE_ENUMERATED &&
+ hw->protocol < SNDRV_PROTOCOL_VERSION(2, 0, 7))
+ return -ENXIO;
+
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_REPLACE, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_remove(snd_ctl_t *handle, snd_ctl_elem_id_t *id)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_REMOVE, id) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_read(snd_ctl_t *handle, snd_ctl_elem_value_t *control)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_READ, control) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_write(snd_ctl_t *handle, snd_ctl_elem_value_t *control)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_WRITE, control) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_lock(snd_ctl_t *handle, snd_ctl_elem_id_t *id)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_LOCK, id) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_unlock(snd_ctl_t *handle, snd_ctl_elem_id_t *id)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_ELEM_UNLOCK, id) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_elem_tlv(snd_ctl_t *handle, int op_flag,
+ unsigned int numid,
+ unsigned int *tlv, unsigned int tlv_size)
+{
+ int inum;
+ snd_ctl_hw_t *hw = handle->private_data;
+ struct snd_ctl_tlv *xtlv;
+
+ /* we don't support TLV on protocol ver 2.0.3 or earlier */
+ if (hw->protocol < SNDRV_PROTOCOL_VERSION(2, 0, 4))
+ return -ENXIO;
+
+ switch (op_flag) {
+ case -1: inum = SNDRV_CTL_IOCTL_TLV_COMMAND; break;
+ case 0: inum = SNDRV_CTL_IOCTL_TLV_READ; break;
+ case 1: inum = SNDRV_CTL_IOCTL_TLV_WRITE; break;
+ default: return -EINVAL;
+ }
+ xtlv = malloc(sizeof(struct snd_ctl_tlv) + tlv_size);
+ if (xtlv == NULL)
+ return -ENOMEM;
+ xtlv->numid = numid;
+ xtlv->length = tlv_size;
+ memcpy(xtlv->tlv, tlv, tlv_size);
+ if (ioctl(hw->fd, inum, xtlv) < 0) {
+ free(xtlv);
+ return -errno;
+ }
+ if (op_flag == 0) {
+ if (xtlv->tlv[1] + 2 * sizeof(unsigned int) > tlv_size) {
+ free(xtlv);
+ return -EFAULT;
+ }
+ memcpy(tlv, xtlv->tlv, xtlv->tlv[1] + 2 * sizeof(unsigned int));
+ }
+ free(xtlv);
+ return 0;
+}
+
+static int snd_ctl_hw_hwdep_next_device(snd_ctl_t *handle, int * device)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE, device) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_hwdep_info(snd_ctl_t *handle, snd_hwdep_info_t * info)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_HWDEP_INFO, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_pcm_next_device(snd_ctl_t *handle, int * device)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE, device) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_pcm_info(snd_ctl_t *handle, snd_pcm_info_t * info)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_PCM_INFO, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_pcm_prefer_subdevice(snd_ctl_t *handle, int subdev)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE, &subdev) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_rawmidi_next_device(snd_ctl_t *handle, int * device)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE, device) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_rawmidi_info(snd_ctl_t *handle, snd_rawmidi_info_t * info)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_RAWMIDI_INFO, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_rawmidi_prefer_subdevice(snd_ctl_t *handle, int subdev)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE, &subdev) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_set_power_state(snd_ctl_t *handle, unsigned int state)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_POWER, &state) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_get_power_state(snd_ctl_t *handle, unsigned int *state)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ if (ioctl(hw->fd, SNDRV_CTL_IOCTL_POWER_STATE, state) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_ctl_hw_read(snd_ctl_t *handle, snd_ctl_event_t *event)
+{
+ snd_ctl_hw_t *hw = handle->private_data;
+ ssize_t res = read(hw->fd, event, sizeof(*event));
+ if (res <= 0)
+ return -errno;
+ if (CHECK_SANITY(res != sizeof(*event))) {
+ SNDMSG("snd_ctl_hw_read: read size error (req:%d, got:%d)\n",
+ sizeof(*event), res);
+ return -EINVAL;
+ }
+ return 1;
+}
+
+static const snd_ctl_ops_t snd_ctl_hw_ops = {
+ .close = snd_ctl_hw_close,
+ .nonblock = snd_ctl_hw_nonblock,
+ .async = snd_ctl_hw_async,
+ .subscribe_events = snd_ctl_hw_subscribe_events,
+ .card_info = snd_ctl_hw_card_info,
+ .element_list = snd_ctl_hw_elem_list,
+ .element_info = snd_ctl_hw_elem_info,
+ .element_add = snd_ctl_hw_elem_add,
+ .element_replace = snd_ctl_hw_elem_replace,
+ .element_remove = snd_ctl_hw_elem_remove,
+ .element_read = snd_ctl_hw_elem_read,
+ .element_write = snd_ctl_hw_elem_write,
+ .element_lock = snd_ctl_hw_elem_lock,
+ .element_unlock = snd_ctl_hw_elem_unlock,
+ .element_tlv = snd_ctl_hw_elem_tlv,
+ .hwdep_next_device = snd_ctl_hw_hwdep_next_device,
+ .hwdep_info = snd_ctl_hw_hwdep_info,
+ .pcm_next_device = snd_ctl_hw_pcm_next_device,
+ .pcm_info = snd_ctl_hw_pcm_info,
+ .pcm_prefer_subdevice = snd_ctl_hw_pcm_prefer_subdevice,
+ .rawmidi_next_device = snd_ctl_hw_rawmidi_next_device,
+ .rawmidi_info = snd_ctl_hw_rawmidi_info,
+ .rawmidi_prefer_subdevice = snd_ctl_hw_rawmidi_prefer_subdevice,
+ .set_power_state = snd_ctl_hw_set_power_state,
+ .get_power_state = snd_ctl_hw_get_power_state,
+ .read = snd_ctl_hw_read,
+};
+
+int snd_ctl_hw_open(snd_ctl_t **handle, const char *name, int card, int mode)
+{
+ int fd, ver;
+ char filename[sizeof(SNDRV_FILE_CONTROL) + 10];
+ int fmode;
+ snd_ctl_t *ctl;
+ snd_ctl_hw_t *hw;
+ int err;
+
+ *handle = NULL;
+
+ if (CHECK_SANITY(card < 0 || card >= SND_MAX_CARDS)) {
+ SNDMSG("Invalid card index %d", card);
+ return -EINVAL;
+ }
+ sprintf(filename, SNDRV_FILE_CONTROL, card);
+ if (mode & SND_CTL_READONLY)
+ fmode = O_RDONLY;
+ else
+ fmode = O_RDWR;
+ if (mode & SND_CTL_NONBLOCK)
+ fmode |= O_NONBLOCK;
+ if (mode & SND_CTL_ASYNC)
+ fmode |= O_ASYNC;
+ fd = snd_open_device(filename, fmode);
+ if (fd < 0) {
+ snd_card_load(card);
+ fd = snd_open_device(filename, fmode);
+ if (fd < 0)
+ return -errno;
+ }
+ if (ioctl(fd, SNDRV_CTL_IOCTL_PVERSION, &ver) < 0) {
+ err = -errno;
+ close(fd);
+ return err;
+ }
+ if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_CTL_VERSION_MAX)) {
+ close(fd);
+ return -SND_ERROR_INCOMPATIBLE_VERSION;
+ }
+ hw = calloc(1, sizeof(snd_ctl_hw_t));
+ if (hw == NULL) {
+ close(fd);
+ return -ENOMEM;
+ }
+ hw->card = card;
+ hw->fd = fd;
+ hw->protocol = ver;
+
+ err = snd_ctl_new(&ctl, SND_CTL_TYPE_HW, name);
+ if (err < 0) {
+ close(fd);
+ free(hw);
+ return err;
+ }
+ ctl->ops = &snd_ctl_hw_ops;
+ ctl->private_data = hw;
+ ctl->poll_fd = fd;
+ *handle = ctl;
+ return 0;
+}
+
+int _snd_ctl_hw_open(snd_ctl_t **handlep, char *name, snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf, int mode)
+{
+ snd_config_iterator_t i, next;
+ long card = -1;
+ const char *str;
+ int err;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "card") == 0) {
+ err = snd_config_get_integer(n, &card);
+ if (err < 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0)
+ return -EINVAL;
+ card = snd_card_get_index(str);
+ if (card < 0)
+ return card;
+ }
+ continue;
+ }
+ return -EINVAL;
+ }
+ if (card < 0)
+ return -EINVAL;
+ return snd_ctl_hw_open(handlep, name, card, mode);
+}
+SND_DLSYM_BUILD_VERSION(_snd_ctl_hw_open, SND_CONTROL_DLSYM_VERSION);
diff --git a/src/control/control_local.h b/src/control/control_local.h
new file mode 100644
index 0000000..9594ae5
--- /dev/null
+++ b/src/control/control_local.h
@@ -0,0 +1,102 @@
+/*
+ * Control Interface - local header file
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "local.h"
+
+typedef struct _snd_ctl_ops {
+ int (*close)(snd_ctl_t *handle);
+ int (*nonblock)(snd_ctl_t *handle, int nonblock);
+ int (*async)(snd_ctl_t *handle, int sig, pid_t pid);
+ int (*subscribe_events)(snd_ctl_t *handle, int subscribe);
+ int (*card_info)(snd_ctl_t *handle, snd_ctl_card_info_t *info);
+ int (*element_list)(snd_ctl_t *handle, snd_ctl_elem_list_t *list);
+ int (*element_info)(snd_ctl_t *handle, snd_ctl_elem_info_t *info);
+ int (*element_add)(snd_ctl_t *handle, snd_ctl_elem_info_t *info);
+ int (*element_replace)(snd_ctl_t *handle, snd_ctl_elem_info_t *info);
+ int (*element_remove)(snd_ctl_t *handle, snd_ctl_elem_id_t *id);
+ int (*element_read)(snd_ctl_t *handle, snd_ctl_elem_value_t *control);
+ int (*element_write)(snd_ctl_t *handle, snd_ctl_elem_value_t *control);
+ int (*element_lock)(snd_ctl_t *handle, snd_ctl_elem_id_t *lock);
+ int (*element_unlock)(snd_ctl_t *handle, snd_ctl_elem_id_t *unlock);
+ int (*element_tlv)(snd_ctl_t *handle, int op_flag, unsigned int numid,
+ unsigned int *tlv, unsigned int tlv_size);
+ int (*hwdep_next_device)(snd_ctl_t *handle, int *device);
+ int (*hwdep_info)(snd_ctl_t *handle, snd_hwdep_info_t * info);
+ int (*pcm_next_device)(snd_ctl_t *handle, int *device);
+ int (*pcm_info)(snd_ctl_t *handle, snd_pcm_info_t * info);
+ int (*pcm_prefer_subdevice)(snd_ctl_t *handle, int subdev);
+ int (*rawmidi_next_device)(snd_ctl_t *handle, int *device);
+ int (*rawmidi_info)(snd_ctl_t *handle, snd_rawmidi_info_t * info);
+ int (*rawmidi_prefer_subdevice)(snd_ctl_t *handle, int subdev);
+ int (*set_power_state)(snd_ctl_t *handle, unsigned int state);
+ int (*get_power_state)(snd_ctl_t *handle, unsigned int *state);
+ int (*read)(snd_ctl_t *handle, snd_ctl_event_t *event);
+ int (*poll_descriptors_count)(snd_ctl_t *handle);
+ int (*poll_descriptors)(snd_ctl_t *handle, struct pollfd *pfds, unsigned int space);
+ int (*poll_revents)(snd_ctl_t *handle, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+} snd_ctl_ops_t;
+
+
+struct _snd_ctl {
+ void *open_func;
+ char *name;
+ snd_ctl_type_t type;
+ const snd_ctl_ops_t *ops;
+ void *private_data;
+ int nonblock;
+ int poll_fd;
+ struct list_head async_handlers;
+};
+
+struct _snd_hctl_elem {
+ snd_ctl_elem_id_t id; /* must be always on top */
+ struct list_head list; /* links for list of all helems */
+ int compare_weight; /* compare weight (reversed) */
+ /* event callback */
+ snd_hctl_elem_callback_t callback;
+ void *callback_private;
+ /* links */
+ snd_hctl_t *hctl; /* associated handle */
+};
+
+struct _snd_hctl {
+ snd_ctl_t *ctl;
+ struct list_head elems; /* list of all controls */
+ unsigned int alloc;
+ unsigned int count;
+ snd_hctl_elem_t **pelems;
+ snd_hctl_compare_t compare;
+ snd_hctl_callback_t callback;
+ void *callback_private;
+};
+
+
+/* make local functions really local */
+#define snd_ctl_new snd1_ctl_new
+
+int snd_ctl_new(snd_ctl_t **ctlp, snd_ctl_type_t type, const char *name);
+int _snd_ctl_poll_descriptor(snd_ctl_t *ctl);
+#define _snd_ctl_async_descriptor _snd_ctl_poll_descriptor
+int snd_ctl_hw_open(snd_ctl_t **handle, const char *name, int card, int mode);
+int snd_ctl_shm_open(snd_ctl_t **handlep, const char *name, const char *sockname, const char *sname, int mode);
+int snd_ctl_async(snd_ctl_t *ctl, int sig, pid_t pid);
+
+#define CTLINABORT(x) ((x)->nonblock == 2)
diff --git a/src/control/control_shm.c b/src/control/control_shm.c
new file mode 100644
index 0000000..40bc705
--- /dev/null
+++ b/src/control/control_shm.c
@@ -0,0 +1,634 @@
+/*
+ * Control - SHM Client
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/shm.h>
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <sys/un.h>
+#include <sys/uio.h>
+#include <sys/mman.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include "aserver.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_control_shm = "";
+#endif
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ int socket;
+ volatile snd_ctl_shm_ctrl_t *ctrl;
+} snd_ctl_shm_t;
+#endif
+
+static int snd_ctl_shm_action(snd_ctl_t *ctl)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ int err;
+ char buf[1];
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ err = write(shm->socket, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ err = read(shm->socket, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ if (ctrl->cmd) {
+ SNDERR("Server has not done the cmd");
+ return -EBADFD;
+ }
+ return ctrl->result;
+}
+
+static int snd_ctl_shm_action_fd(snd_ctl_t *ctl, int *fd)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ int err;
+ char buf[1];
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ err = write(shm->socket, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ err = snd_receive_fd(shm->socket, buf, 1, fd);
+ if (err != 1)
+ return -EBADFD;
+ if (ctrl->cmd) {
+ SNDERR("Server has not done the cmd");
+ return -EBADFD;
+ }
+ return ctrl->result;
+}
+
+static int snd_ctl_shm_close(snd_ctl_t *ctl)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int result;
+ ctrl->cmd = SND_CTL_IOCTL_CLOSE;
+ result = snd_ctl_shm_action(ctl);
+ shmdt((void *)ctrl);
+ close(shm->socket);
+ free(shm);
+ return result;
+}
+
+static int snd_ctl_shm_nonblock(snd_ctl_t *handle ATTRIBUTE_UNUSED, int nonblock ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_ctl_shm_async(snd_ctl_t *ctl, int sig, pid_t pid)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SND_CTL_IOCTL_ASYNC;
+ ctrl->u.async.sig = sig;
+ if (pid == 0)
+ pid = getpid();
+ ctrl->u.async.pid = pid;
+ return snd_ctl_shm_action(ctl);
+}
+
+static int snd_ctl_shm_poll_descriptor(snd_ctl_t *ctl)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int fd, err;
+ ctrl->cmd = SND_CTL_IOCTL_POLL_DESCRIPTOR;
+ err = snd_ctl_shm_action_fd(ctl, &fd);
+ if (err < 0)
+ return err;
+ return fd;
+}
+
+static int snd_ctl_shm_subscribe_events(snd_ctl_t *ctl, int subscribe)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS;
+ ctrl->u.subscribe_events = subscribe;
+ return snd_ctl_shm_action(ctl);
+}
+
+static int snd_ctl_shm_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+// ctrl->u.card_info = *info;
+ ctrl->cmd = SNDRV_CTL_IOCTL_CARD_INFO;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *info = ctrl->u.card_info;
+ return err;
+}
+
+static int snd_ctl_shm_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t *list)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ size_t maxsize = CTL_SHM_DATA_MAXLEN;
+ size_t bytes = list->space * sizeof(*list->pids);
+ int err;
+ snd_ctl_elem_id_t *pids = list->pids;
+ if (bytes > maxsize)
+ return -EINVAL;
+ ctrl->u.element_list = *list;
+ ctrl->cmd = SNDRV_CTL_IOCTL_ELEM_LIST;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *list = ctrl->u.element_list;
+ list->pids = pids;
+ bytes = list->used * sizeof(*list->pids);
+ memcpy(pids, (void *)ctrl->data, bytes);
+ return err;
+}
+
+static int snd_ctl_shm_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.element_info = *info;
+ ctrl->cmd = SNDRV_CTL_IOCTL_ELEM_INFO;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *info = ctrl->u.element_info;
+ return err;
+}
+
+static int snd_ctl_shm_elem_read(snd_ctl_t *ctl, snd_ctl_elem_value_t *control)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.element_read = *control;
+ ctrl->cmd = SNDRV_CTL_IOCTL_ELEM_READ;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *control = ctrl->u.element_read;
+ return err;
+}
+
+static int snd_ctl_shm_elem_write(snd_ctl_t *ctl, snd_ctl_elem_value_t *control)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.element_write = *control;
+ ctrl->cmd = SNDRV_CTL_IOCTL_ELEM_WRITE;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *control = ctrl->u.element_write;
+ return err;
+}
+
+static int snd_ctl_shm_elem_lock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.element_lock = *id;
+ ctrl->cmd = SNDRV_CTL_IOCTL_ELEM_LOCK;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *id = ctrl->u.element_lock;
+ return err;
+}
+
+static int snd_ctl_shm_elem_unlock(snd_ctl_t *ctl, snd_ctl_elem_id_t *id)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.element_unlock = *id;
+ ctrl->cmd = SNDRV_CTL_IOCTL_ELEM_UNLOCK;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *id = ctrl->u.element_unlock;
+ return err;
+}
+
+static int snd_ctl_shm_hwdep_next_device(snd_ctl_t *ctl, int * device)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.device = *device;
+ ctrl->cmd = SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *device = ctrl->u.device;
+ return err;
+}
+
+static int snd_ctl_shm_hwdep_info(snd_ctl_t *ctl, snd_hwdep_info_t * info)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.hwdep_info = *info;
+ ctrl->cmd = SNDRV_CTL_IOCTL_HWDEP_INFO;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *info = ctrl->u.hwdep_info;
+ return err;
+}
+
+static int snd_ctl_shm_pcm_next_device(snd_ctl_t *ctl, int * device)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.device = *device;
+ ctrl->cmd = SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *device = ctrl->u.device;
+ return err;
+}
+
+static int snd_ctl_shm_pcm_info(snd_ctl_t *ctl, snd_pcm_info_t * info)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.pcm_info = *info;
+ ctrl->cmd = SNDRV_CTL_IOCTL_PCM_INFO;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *info = ctrl->u.pcm_info;
+ return err;
+}
+
+static int snd_ctl_shm_pcm_prefer_subdevice(snd_ctl_t *ctl, int subdev)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.pcm_prefer_subdevice = subdev;
+ ctrl->cmd = SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ return err;
+}
+
+static int snd_ctl_shm_rawmidi_next_device(snd_ctl_t *ctl, int * device)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.device = *device;
+ ctrl->cmd = SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *device = ctrl->u.device;
+ return err;
+}
+
+static int snd_ctl_shm_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.rawmidi_info = *info;
+ ctrl->cmd = SNDRV_CTL_IOCTL_RAWMIDI_INFO;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *info = ctrl->u.rawmidi_info;
+ return err;
+}
+
+static int snd_ctl_shm_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.rawmidi_prefer_subdevice = subdev;
+ ctrl->cmd = SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ return err;
+}
+
+static int snd_ctl_shm_set_power_state(snd_ctl_t *ctl, unsigned int state)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.power_state = state;
+ ctrl->cmd = SNDRV_CTL_IOCTL_POWER;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ return err;
+}
+
+static int snd_ctl_shm_get_power_state(snd_ctl_t *ctl, unsigned int *state)
+{
+ snd_ctl_shm_t *shm = ctl->private_data;
+ volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->cmd = SNDRV_CTL_IOCTL_POWER_STATE;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *state = ctrl->u.power_state;
+ return err;
+}
+
+static int snd_ctl_shm_read(snd_ctl_t *ctl, snd_ctl_event_t *event)
+{
+ snd_ctl_shm_t *shm;
+ volatile snd_ctl_shm_ctrl_t *ctrl;
+ int err;
+ err = snd_ctl_wait(ctl, -1);
+ if (err < 0)
+ return 0;
+ shm = ctl->private_data;
+ ctrl = shm->ctrl;
+ ctrl->u.read = *event;
+ ctrl->cmd = SND_CTL_IOCTL_READ;
+ err = snd_ctl_shm_action(ctl);
+ if (err < 0)
+ return err;
+ *event = ctrl->u.read;
+ return err;
+}
+
+static const snd_ctl_ops_t snd_ctl_shm_ops = {
+ .close = snd_ctl_shm_close,
+ .nonblock = snd_ctl_shm_nonblock,
+ .async = snd_ctl_shm_async,
+ .subscribe_events = snd_ctl_shm_subscribe_events,
+ .card_info = snd_ctl_shm_card_info,
+ .element_list = snd_ctl_shm_elem_list,
+ .element_info = snd_ctl_shm_elem_info,
+ .element_read = snd_ctl_shm_elem_read,
+ .element_write = snd_ctl_shm_elem_write,
+ .element_lock = snd_ctl_shm_elem_lock,
+ .element_unlock = snd_ctl_shm_elem_unlock,
+ .hwdep_next_device = snd_ctl_shm_hwdep_next_device,
+ .hwdep_info = snd_ctl_shm_hwdep_info,
+ .pcm_next_device = snd_ctl_shm_pcm_next_device,
+ .pcm_info = snd_ctl_shm_pcm_info,
+ .pcm_prefer_subdevice = snd_ctl_shm_pcm_prefer_subdevice,
+ .rawmidi_next_device = snd_ctl_shm_rawmidi_next_device,
+ .rawmidi_info = snd_ctl_shm_rawmidi_info,
+ .rawmidi_prefer_subdevice = snd_ctl_shm_rawmidi_prefer_subdevice,
+ .set_power_state = snd_ctl_shm_set_power_state,
+ .get_power_state = snd_ctl_shm_get_power_state,
+ .read = snd_ctl_shm_read,
+};
+
+static int make_local_socket(const char *filename)
+{
+ size_t l = strlen(filename);
+ size_t size = offsetof(struct sockaddr_un, sun_path) + l;
+ struct sockaddr_un *addr = alloca(size);
+ int sock;
+
+ sock = socket(PF_LOCAL, SOCK_STREAM, 0);
+ if (sock < 0)
+ return -errno;
+
+ addr->sun_family = AF_LOCAL;
+ memcpy(addr->sun_path, filename, l);
+
+ if (connect(sock, (struct sockaddr *) addr, size) < 0)
+ return -errno;
+ return sock;
+}
+
+int snd_ctl_shm_open(snd_ctl_t **handlep, const char *name, const char *sockname, const char *sname, int mode)
+{
+ snd_ctl_t *ctl;
+ snd_ctl_shm_t *shm = NULL;
+ snd_client_open_request_t *req;
+ snd_client_open_answer_t ans;
+ size_t snamelen, reqlen;
+ int err;
+ int result;
+ int sock = -1;
+ snd_ctl_shm_ctrl_t *ctrl = NULL;
+ snamelen = strlen(sname);
+ if (snamelen > 255)
+ return -EINVAL;
+
+ result = make_local_socket(sockname);
+ if (result < 0) {
+ SNDERR("server for socket %s is not running", sockname);
+ goto _err;
+ }
+ sock = result;
+
+ reqlen = sizeof(*req) + snamelen;
+ req = alloca(reqlen);
+ memcpy(req->name, sname, snamelen);
+ req->dev_type = SND_DEV_TYPE_CONTROL;
+ req->transport_type = SND_TRANSPORT_TYPE_SHM;
+ req->stream = 0;
+ req->mode = mode;
+ req->namelen = snamelen;
+ err = write(sock, req, reqlen);
+ if (err < 0) {
+ SNDERR("write error");
+ result = -errno;
+ goto _err;
+ }
+ if ((size_t) err != reqlen) {
+ SNDERR("write size error");
+ result = -EINVAL;
+ goto _err;
+ }
+ err = read(sock, &ans, sizeof(ans));
+ if (err < 0) {
+ SNDERR("read error");
+ result = -errno;
+ goto _err;
+ }
+ if (err != sizeof(ans)) {
+ SNDERR("read size error");
+ result = -EINVAL;
+ goto _err;
+ }
+ result = ans.result;
+ if (result < 0)
+ goto _err;
+
+ ctrl = shmat(ans.cookie, 0, 0);
+ if (!ctrl) {
+ result = -errno;
+ goto _err;
+ }
+
+ shm = calloc(1, sizeof(snd_ctl_shm_t));
+ if (!shm) {
+ result = -ENOMEM;
+ goto _err;
+ }
+
+ shm->socket = sock;
+ shm->ctrl = ctrl;
+
+ err = snd_ctl_new(&ctl, SND_CTL_TYPE_SHM, name);
+ if (err < 0) {
+ result = err;
+ goto _err;
+ }
+ ctl->ops = &snd_ctl_shm_ops;
+ ctl->private_data = shm;
+ err = snd_ctl_shm_poll_descriptor(ctl);
+ if (err < 0) {
+ snd_ctl_close(ctl);
+ return err;
+ }
+ ctl->poll_fd = err;
+ *handlep = ctl;
+ return 0;
+
+ _err:
+ close(sock);
+ if (ctrl)
+ shmdt(ctrl);
+ free(shm);
+ return result;
+}
+
+int _snd_ctl_shm_open(snd_ctl_t **handlep, char *name, snd_config_t *root, snd_config_t *conf, int mode)
+{
+ snd_config_iterator_t i, next;
+ const char *server = NULL;
+ const char *ctl_name = NULL;
+ snd_config_t *sconfig;
+ const char *sockname = NULL;
+ long port = -1;
+ int err;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "server") == 0) {
+ err = snd_config_get_string(n, &server);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "ctl") == 0) {
+ err = snd_config_get_string(n, &ctl_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!ctl_name) {
+ SNDERR("ctl is not defined");
+ return -EINVAL;
+ }
+ if (!server) {
+ SNDERR("server is not defined");
+ return -EINVAL;
+ }
+ err = snd_config_search_definition(root, "server", server, &sconfig);
+ if (err < 0) {
+ SNDERR("Unknown server %s", server);
+ return -EINVAL;
+ }
+ if (snd_config_get_type(sconfig) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for server %s definition", server);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, sconfig) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "host") == 0)
+ continue;
+ if (strcmp(id, "socket") == 0) {
+ err = snd_config_get_string(n, &sockname);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "port") == 0) {
+ err = snd_config_get_integer(n, &port);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+
+ if (!sockname) {
+ SNDERR("socket is not defined");
+ goto _err;
+ }
+ err = snd_ctl_shm_open(handlep, name, sockname, ctl_name, mode);
+ _err:
+ snd_config_delete(sconfig);
+ return err;
+}
+SND_DLSYM_BUILD_VERSION(_snd_ctl_shm_open, SND_CONTROL_DLSYM_VERSION);
diff --git a/src/control/control_symbols.c b/src/control/control_symbols.c
new file mode 100644
index 0000000..0cccade
--- /dev/null
+++ b/src/control/control_symbols.c
@@ -0,0 +1,37 @@
+/*
+ * Control Symbols
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef PIC
+
+extern const char *_snd_module_control_hw;
+extern const char *_snd_module_control_shm;
+extern const char *_snd_module_control_ext;
+
+static const char **snd_control_open_objects[] = {
+ &_snd_module_control_hw,
+#include "ctl_symbols_list.c"
+};
+
+void *snd_control_open_symbols(void)
+{
+ return snd_control_open_objects;
+}
+
+#endif /* !PIC */
diff --git a/src/control/ctl_symbols_list.c b/src/control/ctl_symbols_list.c
new file mode 100644
index 0000000..6731168
--- /dev/null
+++ b/src/control/ctl_symbols_list.c
@@ -0,0 +1,2 @@
+&_snd_module_control_shm,
+&_snd_module_control_ext,
diff --git a/src/control/ctlparse.c b/src/control/ctlparse.c
new file mode 100644
index 0000000..8d6c385
--- /dev/null
+++ b/src/control/ctlparse.c
@@ -0,0 +1,384 @@
+/**
+ * \file control/control.c
+ * \brief CTL interface - parse ASCII identifiers and values
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2010
+ */
+/*
+ * Control Interface - ASCII parser
+ * Copyright (c) 2010 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+#include "control_local.h"
+
+/* Function to convert from percentage to volume. val = percentage */
+
+#ifdef HAVE_SOFT_FLOAT
+static inline long int convert_prange1(long val, long min, long max)
+{
+ long temp = val * (max - min);
+ return temp / 100 + min + ((temp % 100) == 0 ? 0 : 1);
+}
+#else
+
+#define convert_prange1(val, min, max) \
+ ceil((val) * ((max) - (min)) * 0.01 + (min))
+#endif
+
+#define check_range(val, min, max) \
+ ((val < min) ? (min) : ((val > max) ? (max) : (val)))
+
+static long get_integer(const char **ptr, long min, long max)
+{
+ long val = min;
+ char *p = (char *)*ptr, *s;
+
+ if (*p == ':')
+ p++;
+ if (*p == '\0' || (!isdigit(*p) && *p != '-'))
+ goto out;
+
+ s = p;
+ val = strtol(s, &p, 0);
+ if (*p == '.') {
+ p++;
+ strtol(p, &p, 10);
+ }
+ if (*p == '%') {
+ val = (long)convert_prange1(strtod(s, NULL), min, max);
+ p++;
+ }
+ val = check_range(val, min, max);
+ if (*p == ',')
+ p++;
+ out:
+ *ptr = p;
+ return val;
+}
+
+static long long get_integer64(const char **ptr, long long min, long long max)
+{
+ long long val = min;
+ char *p = (char *)*ptr, *s;
+
+ if (*p == ':')
+ p++;
+ if (*p == '\0' || (!isdigit(*p) && *p != '-'))
+ goto out;
+
+ s = p;
+ val = strtol(s, &p, 0);
+ if (*p == '.') {
+ p++;
+ strtol(p, &p, 10);
+ }
+ if (*p == '%') {
+ val = (long long)convert_prange1(strtod(s, NULL), min, max);
+ p++;
+ }
+ val = check_range(val, min, max);
+ if (*p == ',')
+ p++;
+ out:
+ *ptr = p;
+ return val;
+}
+
+/**
+ * \brief return ASCII CTL element identifier name
+ * \param id CTL identifier
+ * \return ascii identifier of CTL element
+ *
+ * The string is allocated using strdup().
+ */
+char *snd_ctl_ascii_elem_id_get(snd_ctl_elem_id_t *id)
+{
+ unsigned int index, device, subdevice;
+ char buf[256], buf1[32];
+
+ snprintf(buf, sizeof(buf), "numid=%u,iface=%s,name='%s'",
+ snd_ctl_elem_id_get_numid(id),
+ snd_ctl_elem_iface_name(
+ snd_ctl_elem_id_get_interface(id)),
+ snd_ctl_elem_id_get_name(id));
+ buf[sizeof(buf)-1] = '\0';
+ index = snd_ctl_elem_id_get_index(id);
+ device = snd_ctl_elem_id_get_device(id);
+ subdevice = snd_ctl_elem_id_get_subdevice(id);
+ if (index) {
+ snprintf(buf1, sizeof(buf1), ",index=%i", index);
+ if (strlen(buf) + strlen(buf1) < sizeof(buf))
+ strcat(buf, buf1);
+ }
+ if (device) {
+ snprintf(buf1, sizeof(buf1), ",device=%i", device);
+ if (strlen(buf) + strlen(buf1) < sizeof(buf))
+ strcat(buf, buf1);
+ }
+ if (subdevice) {
+ snprintf(buf1, sizeof(buf1), ",subdevice=%i", subdevice);
+ if (strlen(buf) + strlen(buf1) < sizeof(buf))
+ strcat(buf, buf1);
+ }
+ return strdup(buf);
+}
+
+#ifndef DOC_HIDDEN
+/* used by UCM parser, too */
+int __snd_ctl_ascii_elem_id_parse(snd_ctl_elem_id_t *dst, const char *str,
+ const char **ret_ptr)
+{
+ int c, size, numid;
+ int err = -EINVAL;
+ char *ptr;
+
+ while (isspace(*str))
+ str++;
+ if (!(*str))
+ goto out;
+ snd_ctl_elem_id_set_interface(dst, SND_CTL_ELEM_IFACE_MIXER); /* default */
+ while (*str) {
+ if (!strncasecmp(str, "numid=", 6)) {
+ str += 6;
+ numid = atoi(str);
+ if (numid <= 0) {
+ fprintf(stderr, "amixer: Invalid numid %d\n", numid);
+ goto out;
+ }
+ snd_ctl_elem_id_set_numid(dst, atoi(str));
+ while (isdigit(*str))
+ str++;
+ } else if (!strncasecmp(str, "iface=", 6)) {
+ str += 6;
+ if (!strncasecmp(str, "card", 4)) {
+ snd_ctl_elem_id_set_interface(dst, SND_CTL_ELEM_IFACE_CARD);
+ str += 4;
+ } else if (!strncasecmp(str, "mixer", 5)) {
+ snd_ctl_elem_id_set_interface(dst, SND_CTL_ELEM_IFACE_MIXER);
+ str += 5;
+ } else if (!strncasecmp(str, "pcm", 3)) {
+ snd_ctl_elem_id_set_interface(dst, SND_CTL_ELEM_IFACE_PCM);
+ str += 3;
+ } else if (!strncasecmp(str, "rawmidi", 7)) {
+ snd_ctl_elem_id_set_interface(dst, SND_CTL_ELEM_IFACE_RAWMIDI);
+ str += 7;
+ } else if (!strncasecmp(str, "timer", 5)) {
+ snd_ctl_elem_id_set_interface(dst, SND_CTL_ELEM_IFACE_TIMER);
+ str += 5;
+ } else if (!strncasecmp(str, "sequencer", 9)) {
+ snd_ctl_elem_id_set_interface(dst, SND_CTL_ELEM_IFACE_SEQUENCER);
+ str += 9;
+ } else {
+ goto out;
+ }
+ } else if (!strncasecmp(str, "name=", 5)) {
+ char buf[64];
+ str += 5;
+ ptr = buf;
+ size = 0;
+ if (*str == '\'' || *str == '\"') {
+ c = *str++;
+ while (*str && *str != c) {
+ if (size < (int)sizeof(buf)) {
+ *ptr++ = *str;
+ size++;
+ }
+ str++;
+ }
+ if (*str == c)
+ str++;
+ } else {
+ while (*str && *str != ',') {
+ if (size < (int)sizeof(buf)) {
+ *ptr++ = *str;
+ size++;
+ }
+ str++;
+ }
+ }
+ *ptr = '\0';
+ snd_ctl_elem_id_set_name(dst, buf);
+ } else if (!strncasecmp(str, "index=", 6)) {
+ str += 6;
+ snd_ctl_elem_id_set_index(dst, atoi(str));
+ while (isdigit(*str))
+ str++;
+ } else if (!strncasecmp(str, "device=", 7)) {
+ str += 7;
+ snd_ctl_elem_id_set_device(dst, atoi(str));
+ while (isdigit(*str))
+ str++;
+ } else if (!strncasecmp(str, "subdevice=", 10)) {
+ str += 10;
+ snd_ctl_elem_id_set_subdevice(dst, atoi(str));
+ while (isdigit(*str))
+ str++;
+ }
+ if (*str == ',') {
+ str++;
+ } else {
+ /* when ret_ptr is given, allow to terminate gracefully
+ * at the next space letter
+ */
+ if (ret_ptr && isspace(*str))
+ break;
+ if (*str)
+ goto out;
+ }
+ }
+ err = 0;
+
+ out:
+ if (ret_ptr)
+ *ret_ptr = str;
+ return err;
+}
+#endif
+
+/**
+ * \brief parse ASCII string as CTL element identifier
+ * \param dst destination CTL identifier
+ * \param str source ASCII string
+ * \return zero on success, otherwise a negative error code
+ */
+int snd_ctl_ascii_elem_id_parse(snd_ctl_elem_id_t *dst, const char *str)
+{
+ return __snd_ctl_ascii_elem_id_parse(dst, str, NULL);
+}
+
+static int get_ctl_enum_item_index(snd_ctl_t *handle,
+ snd_ctl_elem_info_t *info,
+ const char **ptrp)
+{
+ char *ptr = (char *)*ptrp;
+ int items, i, len;
+ const char *name;
+
+ items = snd_ctl_elem_info_get_items(info);
+ if (items <= 0)
+ return -1;
+
+ for (i = 0; i < items; i++) {
+ snd_ctl_elem_info_set_item(info, i);
+ if (snd_ctl_elem_info(handle, info) < 0)
+ return -1;
+ name = snd_ctl_elem_info_get_item_name(info);
+ len = strlen(name);
+ if (! strncmp(name, ptr, len)) {
+ if (! ptr[len] || ptr[len] == ',' || ptr[len] == '\n') {
+ ptr += len;
+ *ptrp = ptr;
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
+/**
+ * \brief parse ASCII string as CTL element value
+ * \param handle CTL handle
+ * \param dst destination CTL element value
+ * \param info CTL element info structure
+ * \param value source ASCII string
+ * \return zero on success, otherwise a negative error code
+ *
+ * Note: For toggle command, the dst must contain previous (current)
+ * state (do the #snd_ctl_elem_read call to obtain it).
+ */
+int snd_ctl_ascii_value_parse(snd_ctl_t *handle,
+ snd_ctl_elem_value_t *dst,
+ snd_ctl_elem_info_t *info,
+ const char *value)
+{
+ const char *ptr = value;
+ snd_ctl_elem_id_t *myid;
+ snd_ctl_elem_type_t type;
+ unsigned int idx, count;
+ long tmp;
+ long long tmp64;
+
+ snd_ctl_elem_id_alloca(&myid);
+ snd_ctl_elem_info_get_id(info, myid);
+ type = snd_ctl_elem_info_get_type(info);
+ count = snd_ctl_elem_info_get_count(info);
+ snd_ctl_elem_value_set_id(dst, myid);
+
+ for (idx = 0; idx < count && idx < 128 && ptr && *ptr; idx++) {
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ tmp = 0;
+ if (!strncasecmp(ptr, "on", 2) ||
+ !strncasecmp(ptr, "up", 2)) {
+ tmp = 1;
+ ptr += 2;
+ } else if (!strncasecmp(ptr, "yes", 3)) {
+ tmp = 1;
+ ptr += 3;
+ } else if (!strncasecmp(ptr, "toggle", 6)) {
+ tmp = snd_ctl_elem_value_get_boolean(dst, idx);
+ tmp = tmp > 0 ? 0 : 1;
+ ptr += 6;
+ } else if (isdigit(*ptr)) {
+ tmp = atoi(ptr) > 0 ? 1 : 0;
+ while (isdigit(*ptr))
+ ptr++;
+ } else {
+ while (*ptr && *ptr != ',')
+ ptr++;
+ }
+ snd_ctl_elem_value_set_boolean(dst, idx, tmp);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ tmp = get_integer(&ptr,
+ snd_ctl_elem_info_get_min(info),
+ snd_ctl_elem_info_get_max(info));
+ snd_ctl_elem_value_set_integer(dst, idx, tmp);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ tmp64 = get_integer64(&ptr,
+ snd_ctl_elem_info_get_min64(info),
+ snd_ctl_elem_info_get_max64(info));
+ snd_ctl_elem_value_set_integer64(dst, idx, tmp64);
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ tmp = get_ctl_enum_item_index(handle, info, &ptr);
+ if (tmp < 0)
+ tmp = get_integer(&ptr, 0,
+ snd_ctl_elem_info_get_items(info) - 1);
+ snd_ctl_elem_value_set_enumerated(dst, idx, tmp);
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ tmp = get_integer(&ptr, 0, 255);
+ snd_ctl_elem_value_set_byte(dst, idx, tmp);
+ break;
+ default:
+ break;
+ }
+ if (!strchr(value, ','))
+ ptr = value;
+ else if (*ptr == ',')
+ ptr++;
+ }
+ return 0;
+}
diff --git a/src/control/hcontrol.c b/src/control/hcontrol.c
new file mode 100644
index 0000000..7645c57
--- /dev/null
+++ b/src/control/hcontrol.c
@@ -0,0 +1,1014 @@
+/**
+ * \file control/hcontrol.c
+ * \brief HCTL Interface - High Level CTL
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000
+ *
+ * HCTL interface is designed to access preloaded and sorted primitive controls.
+ * Callbacks may be used for event handling.
+ * See \ref hcontrol page for more details.
+ */
+/*
+ * Control Interface - high level API
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page hcontrol High level control interface
+
+<P> High level control interface is designed to access preloaded and sorted primitive controls.
+
+\section hcontrol_general_overview General overview
+
+<P> High level control interface caches the accesses to primitive controls
+to reduce overhead accessing the real controls in kernel drivers.
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "control_local.h"
+#ifdef HAVE_LIBPTHREAD
+#include <pthread.h>
+#endif
+
+#ifndef DOC_HIDDEN
+#define NOT_FOUND 1000000000
+#endif
+
+static int snd_hctl_compare_default(const snd_hctl_elem_t *c1,
+ const snd_hctl_elem_t *c2);
+
+/**
+ * \brief Opens an HCTL
+ * \param hctlp Returned HCTL handle
+ * \param name ASCII identifier of the underlying CTL handle
+ * \param mode Open mode (see #SND_CTL_NONBLOCK, #SND_CTL_ASYNC)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hctl_open(snd_hctl_t **hctlp, const char *name, int mode)
+{
+ snd_ctl_t *ctl;
+ int err;
+
+ if ((err = snd_ctl_open(&ctl, name, mode)) < 0)
+ return err;
+ err = snd_hctl_open_ctl(hctlp, ctl);
+ if (err < 0)
+ snd_ctl_close(ctl);
+ return err;
+}
+
+/**
+ * \brief Opens an HCTL
+ * \param hctlp Returned HCTL handle
+ * \param ctl underlying CTL handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hctl_open_ctl(snd_hctl_t **hctlp, snd_ctl_t *ctl)
+{
+ snd_hctl_t *hctl;
+
+ assert(hctlp);
+ *hctlp = NULL;
+ if ((hctl = (snd_hctl_t *)calloc(1, sizeof(snd_hctl_t))) == NULL)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&hctl->elems);
+ hctl->ctl = ctl;
+ *hctlp = hctl;
+ return 0;
+}
+
+/**
+ * \brief close HCTL handle
+ * \param hctl HCTL handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the specified HCTL handle and frees all associated
+ * resources.
+ */
+int snd_hctl_close(snd_hctl_t *hctl)
+{
+ int err;
+
+ assert(hctl);
+ err = snd_ctl_close(hctl->ctl);
+ snd_hctl_free(hctl);
+ free(hctl);
+ return err;
+}
+
+/**
+ * \brief get identifier of HCTL handle
+ * \param hctl HCTL handle
+ * \return ascii identifier of HCTL handle
+ *
+ * Returns the ASCII identifier of given HCTL handle. It's the same
+ * identifier specified in snd_hctl_open().
+ */
+const char *snd_hctl_name(snd_hctl_t *hctl)
+{
+ assert(hctl);
+ return snd_ctl_name(hctl->ctl);
+}
+
+/**
+ * \brief set nonblock mode
+ * \param hctl HCTL handle
+ * \param nonblock 0 = block, 1 = nonblock mode
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hctl_nonblock(snd_hctl_t *hctl, int nonblock)
+{
+ assert(hctl);
+ return snd_ctl_nonblock(hctl->ctl, nonblock);
+}
+
+/**
+ * \brief set async mode
+ * \param hctl HCTL handle
+ * \param sig Signal to raise: < 0 disable, 0 default (SIGIO)
+ * \param pid Process ID to signal: 0 current
+ * \return 0 on success otherwise a negative error code
+ *
+ * A signal is raised when a change happens.
+ */
+int snd_hctl_async(snd_hctl_t *hctl, int sig, pid_t pid)
+{
+ assert(hctl);
+ return snd_ctl_async(hctl->ctl, sig, pid);
+}
+
+/**
+ * \brief get count of poll descriptors for HCTL handle
+ * \param hctl HCTL handle
+ * \return count of poll descriptors
+ */
+int snd_hctl_poll_descriptors_count(snd_hctl_t *hctl)
+{
+ assert(hctl);
+ return snd_ctl_poll_descriptors_count(hctl->ctl);
+}
+
+/**
+ * \brief get poll descriptors
+ * \param hctl HCTL handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \return count of filled descriptors
+ */
+int snd_hctl_poll_descriptors(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int space)
+{
+ assert(hctl);
+ return snd_ctl_poll_descriptors(hctl->ctl, pfds, space);
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param hctl HCTL handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents returned events
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_hctl_poll_descriptors_revents(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ assert(hctl);
+ return snd_ctl_poll_descriptors_revents(hctl->ctl, pfds, nfds, revents);
+}
+
+static int snd_hctl_throw_event(snd_hctl_t *hctl, unsigned int mask,
+ snd_hctl_elem_t *elem)
+{
+ if (hctl->callback)
+ return hctl->callback(hctl, mask, elem);
+ return 0;
+}
+
+static int snd_hctl_elem_throw_event(snd_hctl_elem_t *elem,
+ unsigned int mask)
+{
+ if (elem->callback)
+ return elem->callback(elem, mask);
+ return 0;
+}
+
+static int snd_hctl_compare_mixer_priority_lookup(const char **name, const char * const *names, int coef)
+{
+ int res;
+
+ for (res = 0; *names; names++, res += coef) {
+ if (!strncmp(*name, *names, strlen(*names))) {
+ *name += strlen(*names);
+ if (**name == ' ')
+ (*name)++;
+ return res+1;
+ }
+ }
+ return NOT_FOUND;
+}
+
+static int get_compare_weight(const snd_ctl_elem_id_t *id)
+{
+ static const char *const names[] = {
+ "Master",
+ "Hardware Master",
+ "Headphone",
+ "Tone Control",
+ "3D Control",
+ "PCM",
+ "Front",
+ "Surround",
+ "Center",
+ "LFE",
+ "Synth",
+ "FM",
+ "Wave",
+ "Music",
+ "DSP",
+ "Line",
+ "CD",
+ "Mic",
+ "Phone",
+ "Video",
+ "Zoom Video",
+ "PC Speaker",
+ "Aux",
+ "Mono",
+ "ADC",
+ "Capture Source",
+ "Capture",
+ "Playback",
+ "Loopback",
+ "Analog Loopback",
+ "Digital Loopback",
+ "I2S",
+ "IEC958",
+ NULL
+ };
+ static const char *const names1[] = {
+ "Switch",
+ "Volume",
+ "Playback",
+ "Capture",
+ "Bypass",
+ "Mono",
+ "Front",
+ "Rear",
+ "Pan",
+ "Output",
+ "-",
+ NULL
+ };
+ static const char *const names2[] = {
+ "Switch",
+ "Volume",
+ "Bypass",
+ "Depth",
+ "Wide",
+ "Space",
+ "Level",
+ "Center",
+ NULL
+ };
+ const char *name = (char *)id->name, *name1;
+ int res, res1;
+
+ if ((res = snd_hctl_compare_mixer_priority_lookup((const char **)&name, names, 1000000)) == NOT_FOUND)
+ return NOT_FOUND;
+ if (*name == '\0')
+ return res;
+ for (name1 = name; *name1 != '\0'; name1++);
+ for (name1--; name1 != name && *name1 != ' '; name1--);
+ while (name1 != name && *name1 == ' ')
+ name1--;
+ if (name1 != name) {
+ for (; name1 != name && *name1 != ' '; name1--);
+ name = name1;
+ if ((res1 = snd_hctl_compare_mixer_priority_lookup((const char **)&name, names1, 1000)) == NOT_FOUND)
+ return res;
+ res += res1;
+ } else {
+ name = name1;
+ }
+ if ((res1 = snd_hctl_compare_mixer_priority_lookup((const char **)&name, names2, 1)) == NOT_FOUND)
+ return res;
+ return res + res1;
+}
+
+static int _snd_hctl_find_elem(snd_hctl_t *hctl, const snd_ctl_elem_id_t *id, int *dir)
+{
+ unsigned int l, u;
+ snd_hctl_elem_t el;
+ int c = 0;
+ int idx = -1;
+ assert(hctl && id);
+ assert(hctl->compare);
+ el.id = *id;
+ el.compare_weight = get_compare_weight(id);
+ l = 0;
+ u = hctl->count;
+ while (l < u) {
+ idx = (l + u) / 2;
+ c = hctl->compare(&el, hctl->pelems[idx]);
+ if (c < 0)
+ u = idx;
+ else if (c > 0)
+ l = idx + 1;
+ else
+ break;
+ }
+ *dir = c;
+ return idx;
+}
+
+static int snd_hctl_elem_add(snd_hctl_t *hctl, snd_hctl_elem_t *elem)
+{
+ int dir;
+ int idx;
+ elem->compare_weight = get_compare_weight(&elem->id);
+ if (hctl->count == hctl->alloc) {
+ snd_hctl_elem_t **h;
+ hctl->alloc += 32;
+ h = realloc(hctl->pelems, sizeof(*h) * hctl->alloc);
+ if (!h) {
+ hctl->alloc -= 32;
+ return -ENOMEM;
+ }
+ hctl->pelems = h;
+ }
+ if (hctl->count == 0) {
+ list_add_tail(&elem->list, &hctl->elems);
+ hctl->pelems[0] = elem;
+ } else {
+ idx = _snd_hctl_find_elem(hctl, &elem->id, &dir);
+ assert(dir != 0);
+ if (dir > 0) {
+ list_add(&elem->list, &hctl->pelems[idx]->list);
+ idx++;
+ } else {
+ list_add_tail(&elem->list, &hctl->pelems[idx]->list);
+ }
+ memmove(hctl->pelems + idx + 1,
+ hctl->pelems + idx,
+ (hctl->count - idx) * sizeof(snd_hctl_elem_t *));
+ hctl->pelems[idx] = elem;
+ }
+ hctl->count++;
+ return snd_hctl_throw_event(hctl, SNDRV_CTL_EVENT_MASK_ADD, elem);
+}
+
+static void snd_hctl_elem_remove(snd_hctl_t *hctl, unsigned int idx)
+{
+ snd_hctl_elem_t *elem = hctl->pelems[idx];
+ unsigned int m;
+ snd_hctl_elem_throw_event(elem, SNDRV_CTL_EVENT_MASK_REMOVE);
+ list_del(&elem->list);
+ free(elem);
+ hctl->count--;
+ m = hctl->count - idx;
+ if (m > 0)
+ memmove(hctl->pelems + idx,
+ hctl->pelems + idx + 1,
+ m * sizeof(snd_hctl_elem_t *));
+}
+
+/**
+ * \brief free HCTL loaded elements
+ * \param hctl HCTL handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hctl_free(snd_hctl_t *hctl)
+{
+ while (hctl->count > 0)
+ snd_hctl_elem_remove(hctl, hctl->count - 1);
+ free(hctl->pelems);
+ hctl->pelems = 0;
+ hctl->alloc = 0;
+ INIT_LIST_HEAD(&hctl->elems);
+ return 0;
+}
+
+static snd_hctl_t *compare_hctl;
+static int hctl_compare(const void *a, const void *b) {
+ return compare_hctl->compare(*(const snd_hctl_elem_t * const *) a,
+ *(const snd_hctl_elem_t * const *) b);
+}
+
+static void snd_hctl_sort(snd_hctl_t *hctl)
+{
+ unsigned int k;
+#ifdef HAVE_LIBPTHREAD
+ static pthread_mutex_t sync_lock = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
+ assert(hctl);
+ assert(hctl->compare);
+ INIT_LIST_HEAD(&hctl->elems);
+
+#ifdef HAVE_LIBPTHREAD
+ pthread_mutex_lock(&sync_lock);
+#endif
+ compare_hctl = hctl;
+ qsort(hctl->pelems, hctl->count, sizeof(*hctl->pelems), hctl_compare);
+#ifdef HAVE_LIBPTHREAD
+ pthread_mutex_unlock(&sync_lock);
+#endif
+ for (k = 0; k < hctl->count; k++)
+ list_add_tail(&hctl->pelems[k]->list, &hctl->elems);
+}
+
+/**
+ * \brief Change HCTL compare function and reorder elements
+ * \param hctl HCTL handle
+ * \param compare Element compare function
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hctl_set_compare(snd_hctl_t *hctl, snd_hctl_compare_t compare)
+{
+ assert(hctl);
+ hctl->compare = compare == NULL ? snd_hctl_compare_default : compare;
+ snd_hctl_sort(hctl);
+ return 0;
+}
+
+/**
+ * \brief A "don't care" fast compare functions that may be used with #snd_hctl_set_compare
+ * \param c1 First HCTL element
+ * \param c2 Second HCTL element
+ * \return -1 if c1 < c2, 0 if c1 == c2, 1 if c1 > c2
+ */
+int snd_hctl_compare_fast(const snd_hctl_elem_t *c1,
+ const snd_hctl_elem_t *c2)
+{
+ return c1->id.numid - c2->id.numid;
+}
+
+static int snd_hctl_compare_default(const snd_hctl_elem_t *c1,
+ const snd_hctl_elem_t *c2)
+{
+ int res, d;
+
+ d = c1->id.iface - c2->id.iface;
+ if (d != 0)
+ return d;
+ if (c1->id.iface == SNDRV_CTL_ELEM_IFACE_MIXER) {
+ d = c1->compare_weight - c2->compare_weight;
+ if (d != 0)
+ return d;
+ }
+ d = c1->id.device - c2->id.device;
+ if (d != 0)
+ return d;
+ d = c1->id.subdevice - c2->id.subdevice;
+ if (d != 0)
+ return d;
+ res = strcmp((const char *)c1->id.name, (const char *)c2->id.name);
+ if (res != 0)
+ return res;
+ return c1->id.index - c2->id.index;
+}
+
+/**
+ * \brief get first element for an HCTL
+ * \param hctl HCTL handle
+ * \return pointer to first element
+ */
+snd_hctl_elem_t *snd_hctl_first_elem(snd_hctl_t *hctl)
+{
+ assert(hctl);
+ if (list_empty(&hctl->elems))
+ return NULL;
+ return list_entry(hctl->elems.next, snd_hctl_elem_t, list);
+}
+
+/**
+ * \brief get last element for an HCTL
+ * \param hctl HCTL handle
+ * \return pointer to last element
+ */
+snd_hctl_elem_t *snd_hctl_last_elem(snd_hctl_t *hctl)
+{
+ assert(hctl);
+ if (list_empty(&hctl->elems))
+ return NULL;
+ return list_entry(hctl->elems.prev, snd_hctl_elem_t, list);
+}
+
+/**
+ * \brief get next HCTL element
+ * \param elem HCTL element
+ * \return pointer to next element
+ */
+snd_hctl_elem_t *snd_hctl_elem_next(snd_hctl_elem_t *elem)
+{
+ assert(elem);
+ if (elem->list.next == &elem->hctl->elems)
+ return NULL;
+ return list_entry(elem->list.next, snd_hctl_elem_t, list);
+}
+
+/**
+ * \brief get previous HCTL element
+ * \param elem HCTL element
+ * \return pointer to previous element
+ */
+snd_hctl_elem_t *snd_hctl_elem_prev(snd_hctl_elem_t *elem)
+{
+ assert(elem);
+ if (elem->list.prev == &elem->hctl->elems)
+ return NULL;
+ return list_entry(elem->list.prev, snd_hctl_elem_t, list);
+}
+
+/**
+ * \brief Search an HCTL element
+ * \param hctl HCTL handle
+ * \param id Element identifier
+ * \return pointer to found HCTL element or NULL if it does not exists
+ */
+snd_hctl_elem_t *snd_hctl_find_elem(snd_hctl_t *hctl, const snd_ctl_elem_id_t *id)
+{
+ int dir;
+ int res = _snd_hctl_find_elem(hctl, id, &dir);
+ if (res < 0 || dir != 0)
+ return NULL;
+ return hctl->pelems[res];
+}
+
+/**
+ * \brief Load an HCTL with all elements and sort them
+ * \param hctl HCTL handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hctl_load(snd_hctl_t *hctl)
+{
+ snd_ctl_elem_list_t list;
+ int err = 0;
+ unsigned int idx;
+
+ assert(hctl);
+ assert(hctl->ctl);
+ assert(hctl->count == 0);
+ assert(list_empty(&hctl->elems));
+ memset(&list, 0, sizeof(list));
+ if ((err = snd_ctl_elem_list(hctl->ctl, &list)) < 0)
+ goto _end;
+ while (list.count != list.used) {
+ err = snd_ctl_elem_list_alloc_space(&list, list.count);
+ if (err < 0)
+ goto _end;
+ if ((err = snd_ctl_elem_list(hctl->ctl, &list)) < 0)
+ goto _end;
+ }
+ if (hctl->alloc < list.count) {
+ hctl->alloc = list.count;
+ free(hctl->pelems);
+ hctl->pelems = malloc(hctl->alloc * sizeof(*hctl->pelems));
+ if (!hctl->pelems) {
+ err = -ENOMEM;
+ goto _end;
+ }
+ }
+ for (idx = 0; idx < list.count; idx++) {
+ snd_hctl_elem_t *elem;
+ elem = calloc(1, sizeof(snd_hctl_elem_t));
+ if (elem == NULL) {
+ snd_hctl_free(hctl);
+ err = -ENOMEM;
+ goto _end;
+ }
+ elem->id = list.pids[idx];
+ elem->hctl = hctl;
+ elem->compare_weight = get_compare_weight(&elem->id);
+ hctl->pelems[idx] = elem;
+ list_add_tail(&elem->list, &hctl->elems);
+ hctl->count++;
+ }
+ if (!hctl->compare)
+ hctl->compare = snd_hctl_compare_default;
+ snd_hctl_sort(hctl);
+ for (idx = 0; idx < hctl->count; idx++) {
+ int res = snd_hctl_throw_event(hctl, SNDRV_CTL_EVENT_MASK_ADD,
+ hctl->pelems[idx]);
+ if (res < 0)
+ return res;
+ }
+ err = snd_ctl_subscribe_events(hctl->ctl, 1);
+ _end:
+ free(list.pids);
+ return err;
+}
+
+/**
+ * \brief Set callback function for an HCTL
+ * \param hctl HCTL handle
+ * \param callback callback function
+ */
+void snd_hctl_set_callback(snd_hctl_t *hctl, snd_hctl_callback_t callback)
+{
+ assert(hctl);
+ hctl->callback = callback;
+}
+
+/**
+ * \brief Set callback private value for an HCTL
+ * \param hctl HCTL handle
+ * \param callback_private callback private value
+ */
+void snd_hctl_set_callback_private(snd_hctl_t *hctl, void *callback_private)
+{
+ assert(hctl);
+ hctl->callback_private = callback_private;
+}
+
+/**
+ * \brief Get callback private value for an HCTL
+ * \param hctl HCTL handle
+ * \return callback private value
+ */
+void *snd_hctl_get_callback_private(snd_hctl_t *hctl)
+{
+ assert(hctl);
+ return hctl->callback_private;
+}
+
+/**
+ * \brief Get number of loaded elements for an HCTL
+ * \param hctl HCTL handle
+ * \return elements count
+ */
+unsigned int snd_hctl_get_count(snd_hctl_t *hctl)
+{
+ return hctl->count;
+}
+
+/**
+ * \brief Wait for a HCTL to become ready (i.e. at least one event pending)
+ * \param hctl HCTL handle
+ * \param timeout maximum time in milliseconds to wait
+ * \return a positive value on success otherwise a negative error code
+ * \retval 0 timeout occurred
+ * \retval 1 an event is pending
+ */
+int snd_hctl_wait(snd_hctl_t *hctl, int timeout)
+{
+ struct pollfd *pfd;
+ unsigned short *revents;
+ int i, npfds, pollio, err, err_poll;
+
+ npfds = snd_hctl_poll_descriptors_count(hctl);
+ if (npfds <= 0 || npfds >= 16) {
+ SNDERR("Invalid poll_fds %d\n", npfds);
+ return -EIO;
+ }
+ pfd = alloca(sizeof(*pfd) * npfds);
+ revents = alloca(sizeof(*revents) * npfds);
+ err = snd_hctl_poll_descriptors(hctl, pfd, npfds);
+ if (err < 0)
+ return err;
+ if (err != npfds) {
+ SNDMSG("invalid poll descriptors %d\n", err);
+ return -EIO;
+ }
+ do {
+ pollio = 0;
+ err_poll = poll(pfd, npfds, timeout);
+ if (err_poll < 0) {
+ if (errno == EINTR && !CTLINABORT(hctl->ctl))
+ continue;
+ return -errno;
+ }
+ if (! err_poll)
+ break;
+ err = snd_hctl_poll_descriptors_revents(hctl, pfd, npfds, revents);
+ if (err < 0)
+ return err;
+ for (i = 0; i < npfds; i++) {
+ if (revents[i] & (POLLERR | POLLNVAL))
+ return -EIO;
+ if ((revents[i] & (POLLIN | POLLOUT)) == 0)
+ continue;
+ pollio++;
+ }
+ } while (! pollio);
+ return err_poll > 0 ? 1 : 0;
+}
+
+/**
+ * \brief Get a ctl handle associated to the given hctl handle
+ * \param hctl HCTL handle
+ * \return a ctl handle otherwise NULL
+ */
+snd_ctl_t *snd_hctl_ctl(snd_hctl_t *hctl)
+{
+ return hctl->ctl;
+}
+
+static int snd_hctl_handle_event(snd_hctl_t *hctl, snd_ctl_event_t *event)
+{
+ snd_hctl_elem_t *elem;
+ int res;
+
+ assert(hctl);
+ assert(hctl->ctl);
+ switch (event->type) {
+ case SND_CTL_EVENT_ELEM:
+ break;
+ default:
+ return 0;
+ }
+ if (event->data.elem.mask == SNDRV_CTL_EVENT_MASK_REMOVE) {
+ int dir;
+ res = _snd_hctl_find_elem(hctl, &event->data.elem.id, &dir);
+ assert(res >= 0 && dir == 0);
+ if (res < 0 || dir != 0)
+ return -ENOENT;
+ snd_hctl_elem_remove(hctl, (unsigned int) res);
+ return 0;
+ }
+ if (event->data.elem.mask & SNDRV_CTL_EVENT_MASK_ADD) {
+ elem = calloc(1, sizeof(snd_hctl_elem_t));
+ if (elem == NULL)
+ return -ENOMEM;
+ elem->id = event->data.elem.id;
+ elem->hctl = hctl;
+ res = snd_hctl_elem_add(hctl, elem);
+ if (res < 0)
+ return res;
+ }
+ if (event->data.elem.mask & (SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO)) {
+ elem = snd_hctl_find_elem(hctl, &event->data.elem.id);
+ if (!elem)
+ return -ENOENT;
+ res = snd_hctl_elem_throw_event(elem, event->data.elem.mask &
+ (SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO));
+ if (res < 0)
+ return res;
+ }
+ return 0;
+}
+
+/**
+ * \brief Handle pending HCTL events invoking callbacks
+ * \param hctl HCTL handle
+ * \return 0 otherwise a negative error code on failure
+ */
+int snd_hctl_handle_events(snd_hctl_t *hctl)
+{
+ snd_ctl_event_t event;
+ int res;
+ unsigned int count = 0;
+
+ assert(hctl);
+ assert(hctl->ctl);
+ while ((res = snd_ctl_read(hctl->ctl, &event)) != 0 &&
+ res != -EAGAIN) {
+ if (res < 0)
+ return res;
+ res = snd_hctl_handle_event(hctl, &event);
+ if (res < 0)
+ return res;
+ count++;
+ }
+ return count;
+}
+
+/**
+ * \brief Get information for an HCTL element
+ * \param elem HCTL element
+ * \param info HCTL element information
+ * \return 0 otherwise a negative error code on failure
+ */
+int snd_hctl_elem_info(snd_hctl_elem_t *elem, snd_ctl_elem_info_t *info)
+{
+ assert(elem);
+ assert(elem->hctl);
+ assert(info);
+ info->id = elem->id;
+ return snd_ctl_elem_info(elem->hctl->ctl, info);
+}
+
+/**
+ * \brief Get value for an HCTL element
+ * \param elem HCTL element
+ * \param value HCTL element value
+ * \return 0 otherwise a negative error code on failure
+ */
+int snd_hctl_elem_read(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value)
+{
+ assert(elem);
+ assert(elem->hctl);
+ assert(value);
+ value->id = elem->id;
+ return snd_ctl_elem_read(elem->hctl->ctl, value);
+}
+
+/**
+ * \brief Set value for an HCTL element
+ * \param elem HCTL element
+ * \param value HCTL element value
+ * \retval 0 on success
+ * \retval >1 on success when value was changed
+ * \retval <0 a negative error code on failure
+ */
+int snd_hctl_elem_write(snd_hctl_elem_t *elem, snd_ctl_elem_value_t * value)
+{
+ assert(elem);
+ assert(elem->hctl);
+ assert(value);
+ value->id = elem->id;
+ return snd_ctl_elem_write(elem->hctl->ctl, value);
+}
+
+/**
+ * \brief Get TLV value for an HCTL element
+ * \param elem HCTL element
+ * \param tlv TLV array for value
+ * \param tlv_size size of TLV array in bytes
+ * \return 0 otherwise a negative error code on failure
+ */
+int snd_hctl_elem_tlv_read(snd_hctl_elem_t *elem, unsigned int *tlv, unsigned int tlv_size)
+{
+ assert(elem);
+ assert(tlv);
+ assert(tlv_size >= 12);
+ return snd_ctl_elem_tlv_read(elem->hctl->ctl, &elem->id, tlv, tlv_size);
+}
+
+/**
+ * \brief Set TLV value for an HCTL element
+ * \param elem HCTL element
+ * \param tlv TLV array for value
+ * \retval 0 on success
+ * \retval >1 on success when value was changed
+ * \retval <0 a negative error code on failure
+ */
+int snd_hctl_elem_tlv_write(snd_hctl_elem_t *elem, const unsigned int *tlv)
+{
+ assert(elem);
+ assert(tlv);
+ assert(tlv[1] >= 4);
+ return snd_ctl_elem_tlv_write(elem->hctl->ctl, &elem->id, tlv);
+}
+
+/**
+ * \brief Set TLV value for an HCTL element
+ * \param elem HCTL element
+ * \param tlv TLV array for value
+ * \retval 0 on success
+ * \retval >1 on success when value was changed
+ * \retval <0 a negative error code on failure
+ */
+int snd_hctl_elem_tlv_command(snd_hctl_elem_t *elem, const unsigned int *tlv)
+{
+ assert(elem);
+ assert(tlv);
+ assert(tlv[1] >= 4);
+ return snd_ctl_elem_tlv_command(elem->hctl->ctl, &elem->id, tlv);
+}
+
+/**
+ * \brief Get HCTL handle for an HCTL element
+ * \param elem HCTL element
+ * \return HCTL handle
+ */
+snd_hctl_t *snd_hctl_elem_get_hctl(snd_hctl_elem_t *elem)
+{
+ assert(elem);
+ return elem->hctl;
+}
+
+/**
+ * \brief Get CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \param ptr Pointer to returned CTL element identifier
+ */
+void snd_hctl_elem_get_id(const snd_hctl_elem_t *obj, snd_ctl_elem_id_t *ptr)
+{
+ assert(obj && ptr);
+ *ptr = obj->id;
+}
+
+/**
+ * \brief Get element numeric identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return element numeric identifier
+ */
+unsigned int snd_hctl_elem_get_numid(const snd_hctl_elem_t *obj)
+{
+ assert(obj);
+ return obj->id.numid;
+}
+
+/**
+ * \brief Get interface part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return interface part of element identifier
+ */
+snd_ctl_elem_iface_t snd_hctl_elem_get_interface(const snd_hctl_elem_t *obj)
+{
+ assert(obj);
+ return obj->id.iface;
+}
+
+/**
+ * \brief Get device part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return device part of element identifier
+ */
+unsigned int snd_hctl_elem_get_device(const snd_hctl_elem_t *obj)
+{
+ assert(obj);
+ return obj->id.device;
+}
+
+/**
+ * \brief Get subdevice part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return subdevice part of element identifier
+ */
+unsigned int snd_hctl_elem_get_subdevice(const snd_hctl_elem_t *obj)
+{
+ assert(obj);
+ return obj->id.subdevice;
+}
+
+/**
+ * \brief Get name part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return name part of element identifier
+ */
+const char *snd_hctl_elem_get_name(const snd_hctl_elem_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->id.name;
+}
+
+/**
+ * \brief Get index part of CTL element identifier of a CTL element id/value
+ * \param obj CTL element id/value
+ * \return index part of element identifier
+ */
+unsigned int snd_hctl_elem_get_index(const snd_hctl_elem_t *obj)
+{
+ assert(obj);
+ return obj->id.index;
+}
+
+/**
+ * \brief Set callback function for an HCTL element
+ * \param obj HCTL element
+ * \param val callback function
+ */
+void snd_hctl_elem_set_callback(snd_hctl_elem_t *obj, snd_hctl_elem_callback_t val)
+{
+ assert(obj);
+ obj->callback = val;
+}
+
+/**
+ * \brief Set callback private value for an HCTL element
+ * \param obj HCTL element
+ * \param val callback private value
+ */
+void snd_hctl_elem_set_callback_private(snd_hctl_elem_t *obj, void * val)
+{
+ assert(obj);
+ obj->callback_private = val;
+}
+
+/**
+ * \brief Get callback private value for an HCTL element
+ * \param obj HCTL element
+ * \return callback private value
+ */
+void * snd_hctl_elem_get_callback_private(const snd_hctl_elem_t *obj)
+{
+ assert(obj);
+ return obj->callback_private;
+}
+
diff --git a/src/control/namehint.c b/src/control/namehint.c
new file mode 100644
index 0000000..28975a4
--- /dev/null
+++ b/src/control/namehint.c
@@ -0,0 +1,704 @@
+/**
+ * \file control/namehint.c
+ * \brief Give device name hints
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2006
+ */
+/*
+ * Give device name hints - main file
+ * Copyright (c) 2006 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+struct hint_list {
+ char **list;
+ unsigned int count;
+ unsigned int allocated;
+ const char *siface;
+ snd_ctl_elem_iface_t iface;
+ snd_ctl_t *ctl;
+ snd_ctl_card_info_t *info;
+ int card;
+ int device;
+ long device_input;
+ long device_output;
+ int stream;
+ int show_all;
+ char *cardname;
+};
+#endif
+
+static int hint_list_add(struct hint_list *list,
+ const char *name,
+ const char *description)
+{
+ char *x;
+
+ if (list->count == list->allocated) {
+ char **n = realloc(list->list, (list->allocated + 10) * sizeof(char *));
+ if (n == NULL)
+ return -ENOMEM;
+ list->allocated += 10;
+ list->list = n;
+ }
+ if (name == NULL) {
+ x = NULL;
+ } else {
+ x = malloc(4 + strlen(name) + (description != NULL ? (4 + strlen(description) + 1) : 0) + 1);
+ if (x == NULL)
+ return -ENOMEM;
+ memcpy(x, "NAME", 4);
+ strcpy(x + 4, name);
+ if (description != NULL) {
+ strcat(x, "|DESC");
+ strcat(x, description);
+ }
+ }
+ list->list[list->count++] = x;
+ return 0;
+}
+
+static void zero_handler(const char *file ATTRIBUTE_UNUSED,
+ int line ATTRIBUTE_UNUSED,
+ const char *function ATTRIBUTE_UNUSED,
+ int err ATTRIBUTE_UNUSED,
+ const char *fmt ATTRIBUTE_UNUSED,
+ va_list arg ATTRIBUTE_UNUSED)
+{
+}
+
+static int get_dev_name1(struct hint_list *list, char **res, int device,
+ int stream)
+{
+ *res = NULL;
+ if (device < 0)
+ return 0;
+ switch (list->iface) {
+#ifdef BUILD_HWDEP
+ case SND_CTL_ELEM_IFACE_HWDEP:
+ {
+ snd_hwdep_info_t *info;
+ snd_hwdep_info_alloca(&info);
+ snd_hwdep_info_set_device(info, device);
+ if (snd_ctl_hwdep_info(list->ctl, info) < 0)
+ return 0;
+ *res = strdup(snd_hwdep_info_get_name(info));
+ return 0;
+ }
+#endif
+#ifdef BUILD_PCM
+ case SND_CTL_ELEM_IFACE_PCM:
+ {
+ snd_pcm_info_t *info;
+ snd_pcm_info_alloca(&info);
+ snd_pcm_info_set_device(info, device);
+ snd_pcm_info_set_stream(info, stream ? SND_PCM_STREAM_CAPTURE : SND_PCM_STREAM_PLAYBACK);
+ if (snd_ctl_pcm_info(list->ctl, info) < 0)
+ return 0;
+ switch (snd_pcm_info_get_class(info)) {
+ case SND_PCM_CLASS_MODEM:
+ case SND_PCM_CLASS_DIGITIZER:
+ return -ENODEV;
+ default:
+ break;
+ }
+ *res = strdup(snd_pcm_info_get_name(info));
+ return 0;
+ }
+#endif
+#ifdef BUILD_RAWMIDI
+ case SND_CTL_ELEM_IFACE_RAWMIDI:
+ {
+ snd_rawmidi_info_t *info;
+ snd_rawmidi_info_alloca(&info);
+ snd_rawmidi_info_set_device(info, device);
+ snd_rawmidi_info_set_stream(info, stream ? SND_RAWMIDI_STREAM_INPUT : SND_RAWMIDI_STREAM_OUTPUT);
+ if (snd_ctl_rawmidi_info(list->ctl, info) < 0)
+ return 0;
+ *res = strdup(snd_rawmidi_info_get_name(info));
+ return 0;
+ }
+#endif
+ default:
+ return 0;
+ }
+}
+
+static char *get_dev_name(struct hint_list *list)
+{
+ char *str1, *str2, *res;
+ int device;
+
+ device = list->device_input >= 0 ? list->device_input : list->device;
+ if (get_dev_name1(list, &str1, device, 1) < 0)
+ return NULL;
+ device = list->device_output >= 0 ? list->device_output : list->device;
+ if (get_dev_name1(list, &str2, device, 0) < 0) {
+ if (str1)
+ free(str1);
+ return NULL;
+ }
+ if (str1 != NULL || str2 != NULL) {
+ if (str1 != NULL && str2 != NULL) {
+ if (strcmp(str1, str2) == 0) {
+ res = malloc(strlen(list->cardname) + strlen(str2) + 3);
+ if (res != NULL) {
+ strcpy(res, list->cardname);
+ strcat(res, ", ");
+ strcat(res, str2);
+ }
+ } else {
+ res = malloc(strlen(list->cardname) + strlen(str2) + strlen(str1) + 6);
+ if (res != NULL) {
+ strcpy(res, list->cardname);
+ strcat(res, ", ");
+ strcat(res, str2);
+ strcat(res, " / ");
+ strcat(res, str1);
+ }
+ }
+ free(str2);
+ free(str1);
+ return res;
+ } else {
+ if (str1 != NULL) {
+ str2 = "Input";
+ } else {
+ str1 = str2;
+ str2 = "Output";
+ }
+ res = malloc(strlen(list->cardname) + strlen(str1) + 19);
+ if (res == NULL) {
+ free(str1);
+ return NULL;
+ }
+ strcpy(res, list->cardname);
+ strcat(res, ", ");
+ strcat(res, str1);
+ strcat(res, "|IOID");
+ strcat(res, str2);
+ free(str1);
+ return res;
+ }
+ }
+ /* if the specified device doesn't exist, skip this entry */
+ if (list->device >= 0 || list->device_input >= 0 || list->device_output >= 0)
+ return NULL;
+ return strdup(list->cardname);
+}
+
+#ifndef DOC_HIDDEN
+#define BUF_SIZE 128
+#endif
+
+static int try_config(snd_config_t *config,
+ struct hint_list *list,
+ const char *base,
+ const char *name)
+{
+ snd_local_error_handler_t eh;
+ snd_config_t *res = NULL, *cfg, *cfg1, *n;
+ snd_config_iterator_t i, next;
+ char *buf, *buf1 = NULL, *buf2;
+ const char *str;
+ int err = 0, level;
+ long dev = list->device;
+ int cleanup_res = 0;
+
+ list->device_input = -1;
+ list->device_output = -1;
+ buf = malloc(BUF_SIZE);
+ if (buf == NULL)
+ return -ENOMEM;
+ sprintf(buf, "%s.%s", base, name);
+ /* look for redirection */
+ if (snd_config_search(config, buf, &cfg) >= 0 &&
+ snd_config_get_string(cfg, &str) >= 0 &&
+ ((strncmp(base, str, strlen(base)) == 0 &&
+ str[strlen(base)] == '.') || strchr(str, '.') == NULL))
+ goto __skip_add;
+ if (list->card >= 0 && list->device >= 0)
+ sprintf(buf, "%s:CARD=%s,DEV=%i", name, snd_ctl_card_info_get_id(list->info), list->device);
+ else if (list->card >= 0)
+ sprintf(buf, "%s:CARD=%s", name, snd_ctl_card_info_get_id(list->info));
+ else
+ strcpy(buf, name);
+ eh = snd_lib_error_set_local(&zero_handler);
+ err = snd_config_search_definition(config, base, buf, &res);
+ snd_lib_error_set_local(eh);
+ if (err < 0)
+ goto __skip_add;
+ cleanup_res = 1;
+ err = -EINVAL;
+ if (snd_config_get_type(res) != SND_CONFIG_TYPE_COMPOUND)
+ goto __cleanup;
+ if (snd_config_search(res, "type", NULL) < 0)
+ goto __cleanup;
+
+#if 0 /* for debug purposes */
+ {
+ snd_output_t *out;
+ fprintf(stderr, "********* PCM '%s':\n", buf);
+ snd_output_stdio_attach(&out, stderr, 0);
+ snd_config_save(res, out);
+ snd_output_close(out);
+ fprintf(stderr, "\n");
+ }
+#endif
+
+ cfg1 = res;
+ level = 0;
+ __hint:
+ level++;
+ if (snd_config_search(cfg1, "type", &cfg) >= 0 &&
+ snd_config_get_string(cfg, &str) >= 0 &&
+ strcmp(str, "hw") == 0) {
+ dev = 0;
+ list->device_input = -1;
+ list->device_output = -1;
+ if (snd_config_search(cfg1, "device", &cfg) >= 0) {
+ if (snd_config_get_integer(cfg, &dev) < 0) {
+ SNDERR("(%s) device must be an integer", buf);
+ err = -EINVAL;
+ goto __cleanup;
+ }
+ }
+ }
+
+ if (snd_config_search(cfg1, "hint", &cfg) >= 0) {
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("hint (%s) must be a compound", buf);
+ err = -EINVAL;
+ goto __cleanup;
+ }
+ if (level == 1 &&
+ snd_config_search(cfg, "show", &n) >= 0 &&
+ snd_config_get_bool(n) <= 0)
+ goto __skip_add;
+ if (buf1 == NULL &&
+ snd_config_search(cfg, "description", &n) >= 0 &&
+ snd_config_get_string(n, &str) >= 0) {
+ buf1 = strdup(str);
+ if (buf1 == NULL) {
+ err = -ENOMEM;
+ goto __cleanup;
+ }
+ }
+ if (snd_config_search(cfg, "device", &n) >= 0) {
+ if (snd_config_get_integer(n, &dev) < 0) {
+ SNDERR("(%s) device must be an integer", buf);
+ err = -EINVAL;
+ goto __cleanup;
+ }
+ list->device_input = dev;
+ list->device_output = dev;
+ }
+ if (snd_config_search(cfg, "device_input", &n) >= 0) {
+ if (snd_config_get_integer(n, &list->device_input) < 0) {
+ SNDERR("(%s) device_input must be an integer", buf);
+ err = -EINVAL;
+ goto __cleanup;
+ }
+ list->device_output = -1;
+ }
+ if (snd_config_search(cfg, "device_output", &n) >= 0) {
+ if (snd_config_get_integer(n, &list->device_output) < 0) {
+ SNDERR("(%s) device_output must be an integer", buf);
+ err = -EINVAL;
+ goto __cleanup;
+ }
+ }
+ } else if (level == 1 && !list->show_all)
+ goto __skip_add;
+ if (snd_config_search(cfg1, "slave", &cfg) >= 0 &&
+ snd_config_search(cfg, base, &cfg1) >= 0)
+ goto __hint;
+ snd_config_delete(res);
+ res = NULL;
+ cleanup_res = 0;
+ if (strchr(buf, ':') != NULL)
+ goto __ok;
+ /* find, if all parameters have a default, */
+ /* otherwise filter this definition */
+ eh = snd_lib_error_set_local(&zero_handler);
+ err = snd_config_search_alias_hooks(config, base, buf, &res);
+ snd_lib_error_set_local(eh);
+ if (err < 0)
+ goto __cleanup;
+ if (snd_config_search(res, "@args", &cfg) >= 0) {
+ snd_config_for_each(i, next, cfg) {
+ if (snd_config_search(snd_config_iterator_entry(i),
+ "default", NULL) < 0) {
+ err = -EINVAL;
+ goto __cleanup;
+ }
+ }
+ }
+ __ok:
+ err = 0;
+ __cleanup:
+ if (err >= 0) {
+ list->device = dev;
+ str = list->card >= 0 ? get_dev_name(list) : NULL;
+ if (str != NULL) {
+ level = (buf1 == NULL ? 0 : strlen(buf1)) + 1 + strlen(str);
+ buf2 = realloc((char *)str, level + 1);
+ if (buf2 != NULL) {
+ if (buf1 != NULL) {
+ str = strchr(buf2, '|');
+ if (str != NULL)
+ memmove(buf2 + (level - strlen(str)), str, strlen(str));
+ else
+ str = buf2 + strlen(buf2);
+ *(char *)str++ = '\n';
+ memcpy((char *)str, buf1, strlen(buf1));
+ buf2[level] = '\0';
+ free(buf1);
+ }
+ buf1 = buf2;
+ } else {
+ free((char *)str);
+ }
+ } else if (list->device >= 0)
+ goto __skip_add;
+ err = hint_list_add(list, buf, buf1);
+ }
+ __skip_add:
+ if (res && cleanup_res)
+ snd_config_delete(res);
+ if (buf1)
+ free(buf1);
+ free(buf);
+ return err;
+}
+
+#ifndef DOC_HIDDEN
+#define IFACE(v, fcn) [SND_CTL_ELEM_IFACE_##v] = (next_devices_t)fcn
+
+typedef int (*next_devices_t)(snd_ctl_t *, int *);
+
+static const next_devices_t next_devices[] = {
+ IFACE(CARD, NULL),
+ IFACE(HWDEP, snd_ctl_hwdep_next_device),
+ IFACE(MIXER, NULL),
+ IFACE(PCM, snd_ctl_pcm_next_device),
+ IFACE(RAWMIDI, snd_ctl_rawmidi_next_device),
+ IFACE(TIMER, NULL),
+ IFACE(SEQUENCER, NULL)
+};
+#endif
+
+static int add_card(snd_config_t *config, snd_config_t *rw_config, struct hint_list *list, int card)
+{
+ int err, ok;
+ snd_config_t *conf, *n;
+ snd_config_iterator_t i, next;
+ const char *str;
+ char ctl_name[16];
+ snd_ctl_card_info_t *info;
+ int device, max_device = 0;
+
+ snd_ctl_card_info_alloca(&info);
+ list->info = info;
+ err = snd_config_search(config, list->siface, &conf);
+ if (err < 0)
+ return err;
+ sprintf(ctl_name, "hw:%i", card);
+ err = snd_ctl_open(&list->ctl, ctl_name, 0);
+ if (err < 0)
+ return err;
+ err = snd_ctl_card_info(list->ctl, info);
+ if (err < 0)
+ goto __error;
+ snd_config_for_each(i, next, conf) {
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &str) < 0)
+ continue;
+
+ if (next_devices[list->iface] != NULL) {
+ list->card = card;
+ device = max_device = -1;
+ err = next_devices[list->iface](list->ctl, &device);
+ if (device < 0)
+ err = -EINVAL;
+ else
+ max_device = device;
+ while (err >= 0 && device >= 0) {
+ err = next_devices[list->iface](list->ctl, &device);
+ if (err >= 0 && device > max_device)
+ max_device = device;
+ }
+ ok = 0;
+ for (device = 0; err >= 0 && device <= max_device; device++) {
+ list->device = device;
+ err = try_config(rw_config, list, list->siface, str);
+ if (err < 0)
+ break;
+ ok++;
+ }
+ if (ok)
+ continue;
+ } else {
+ err = -EINVAL;
+ }
+ if (err == -EXDEV)
+ continue;
+ if (err < 0) {
+ list->card = card;
+ list->device = -1;
+ err = try_config(rw_config, list, list->siface, str);
+ }
+ if (err == -ENOMEM)
+ goto __error;
+ }
+ err = 0;
+ __error:
+ snd_ctl_close(list->ctl);
+ return err;
+}
+
+static int get_card_name(struct hint_list *list, int card)
+{
+ char scard[16], *s;
+ int err;
+
+ free(list->cardname);
+ list->cardname = NULL;
+ err = snd_card_get_name(card, &list->cardname);
+ if (err <= 0)
+ return 0;
+ sprintf(scard, " #%i", card);
+ s = realloc(list->cardname, strlen(list->cardname) + strlen(scard) + 1);
+ if (s == NULL)
+ return -ENOMEM;
+ list->cardname = s;
+ return 0;
+}
+
+static int add_software_devices(snd_config_t *config, snd_config_t *rw_config,
+ struct hint_list *list)
+{
+ int err;
+ snd_config_t *conf, *n;
+ snd_config_iterator_t i, next;
+ const char *str;
+
+ err = snd_config_search(config, list->siface, &conf);
+ if (err < 0)
+ return err;
+ snd_config_for_each(i, next, conf) {
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &str) < 0)
+ continue;
+ list->card = -1;
+ list->device = -1;
+ err = try_config(rw_config, list, list->siface, str);
+ if (err == -ENOMEM)
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+/**
+ * \brief Get a set of device name hints
+ * \param card Card number or -1 (means all cards)
+ * \param iface Interface identification (like "pcm", "rawmidi", "timer", "seq")
+ * \param hints Result - array of device name hints
+ * \result zero if success, otherwise a negative error code
+ *
+ * hints will receive a NULL-terminated array of device name hints,
+ * which can be passed to #snd_device_name_get_hint to extract usable
+ * values. When no longer needed, hints should be passed to
+ * #snd_device_name_free_hint to release resources.
+ *
+ * User-defined hints are gathered from namehint.IFACE tree like:
+ *
+ * <code>
+ * namehint.pcm {<br>
+ * myfile "file:FILE=/tmp/soundwave.raw|Save sound output to /tmp/soundwave.raw"<br>
+ * myplug "plug:front:Do all conversions for front speakers"<br>
+ * }
+ * </code>
+ *
+ * Note: The device description is separated with '|' char.
+ *
+ * Special variables: defaults.namehint.showall specifies if all device
+ * definitions are accepted (boolean type).
+ */
+int snd_device_name_hint(int card, const char *iface, void ***hints)
+{
+ struct hint_list list;
+ char ehints[24];
+ const char *str;
+ snd_config_t *conf, *local_config = NULL, *local_config_rw = NULL;
+ snd_config_update_t *local_config_update = NULL;
+ snd_config_iterator_t i, next;
+ int err;
+
+ if (hints == NULL)
+ return -EINVAL;
+ err = snd_config_update_r(&local_config, &local_config_update, NULL);
+ if (err < 0)
+ return err;
+ err = snd_config_copy(&local_config_rw, local_config);
+ list.list = NULL;
+ list.count = list.allocated = 0;
+ list.siface = iface;
+ if (strcmp(iface, "card") == 0)
+ list.iface = SND_CTL_ELEM_IFACE_CARD;
+ else if (strcmp(iface, "pcm") == 0)
+ list.iface = SND_CTL_ELEM_IFACE_PCM;
+ else if (strcmp(iface, "rawmidi") == 0)
+ list.iface = SND_CTL_ELEM_IFACE_RAWMIDI;
+ else if (strcmp(iface, "timer") == 0)
+ list.iface = SND_CTL_ELEM_IFACE_TIMER;
+ else if (strcmp(iface, "seq") == 0)
+ list.iface = SND_CTL_ELEM_IFACE_SEQUENCER;
+ else if (strcmp(iface, "hwdep") == 0)
+ list.iface = SND_CTL_ELEM_IFACE_HWDEP;
+ else if (strcmp(iface, "ctl") == 0)
+ list.iface = SND_CTL_ELEM_IFACE_MIXER;
+ else {
+ err = -EINVAL;
+ goto __error;
+ }
+
+ list.show_all = 0;
+ list.cardname = NULL;
+ if (snd_config_search(local_config, "defaults.namehint.showall", &conf) >= 0)
+ list.show_all = snd_config_get_bool(conf) > 0;
+ if (card >= 0) {
+ err = get_card_name(&list, card);
+ if (err >= 0)
+ err = add_card(local_config, local_config_rw, &list, card);
+ } else {
+ add_software_devices(local_config, local_config_rw, &list);
+ err = snd_card_next(&card);
+ if (err < 0)
+ goto __error;
+ while (card >= 0) {
+ err = get_card_name(&list, card);
+ if (err < 0)
+ goto __error;
+ err = add_card(local_config, local_config_rw, &list, card);
+ if (err < 0)
+ goto __error;
+ err = snd_card_next(&card);
+ if (err < 0)
+ goto __error;
+ }
+ }
+ sprintf(ehints, "namehint.%s", list.siface);
+ err = snd_config_search(local_config, ehints, &conf);
+ if (err >= 0) {
+ snd_config_for_each(i, next, conf) {
+ if (snd_config_get_string(snd_config_iterator_entry(i),
+ &str) < 0)
+ continue;
+ err = hint_list_add(&list, str, NULL);
+ if (err < 0)
+ goto __error;
+ }
+ }
+ err = 0;
+ __error:
+ if (err < 0) {
+ snd_device_name_free_hint((void **)list.list);
+ if (list.cardname)
+ free(list.cardname);
+ } else {
+ err = hint_list_add(&list, NULL, NULL);
+ if (err < 0)
+ goto __error;
+ *hints = (void **)list.list;
+ if (list.cardname)
+ free(list.cardname);
+ }
+ if (local_config_rw)
+ snd_config_delete(local_config_rw);
+ if (local_config)
+ snd_config_delete(local_config);
+ if (local_config_update)
+ snd_config_update_free(local_config_update);
+ return err;
+}
+
+/**
+ * \brief Free a list of device name hints.
+ * \param hints List to free
+ * \result zero if success, otherwise a negative error code
+ */
+int snd_device_name_free_hint(void **hints)
+{
+ char **h;
+
+ if (hints == NULL)
+ return 0;
+ h = (char **)hints;
+ while (*h) {
+ free(*h);
+ h++;
+ }
+ free(hints);
+ return 0;
+}
+
+/**
+ * \brief Extract a value from a hint
+ * \param hint A pointer to hint
+ * \param id Hint value to extract ("NAME", "DESC", or "IOID", see below)
+ * \result an allocated ASCII string if success, otherwise NULL
+ *
+ * List of valid IDs:
+ * NAME - name of device
+ * DESC - description of device
+ * IOID - input / output identification ("Input" or "Output"), NULL means both
+ *
+ * The return value should be freed when no longer needed.
+ */
+char *snd_device_name_get_hint(const void *hint, const char *id)
+{
+ const char *hint1 = (const char *)hint, *delim;
+ char *res;
+ unsigned size;
+
+ if (strlen(id) != 4)
+ return NULL;
+ while (*hint1 != '\0') {
+ delim = strchr(hint1, '|');
+ if (memcmp(id, hint1, 4) != 0) {
+ if (delim == NULL)
+ return NULL;
+ hint1 = delim + 1;
+ continue;
+ }
+ if (delim == NULL)
+ return strdup(hint1 + 4);
+ size = delim - hint1 - 4;
+ res = malloc(size + 1);
+ if (res != NULL) {
+ memcpy(res, hint1 + 4, size);
+ res[size] = '\0';
+ }
+ return res;
+ }
+ return NULL;
+}
diff --git a/src/control/setup.c b/src/control/setup.c
new file mode 100644
index 0000000..f23bf2c
--- /dev/null
+++ b/src/control/setup.c
@@ -0,0 +1,649 @@
+/**
+ * \file control/setup.c
+ * \brief Routines to setup control primitives from configuration
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2001
+ *
+ * Routines to setup control primitives from configuration
+ */
+/*
+ * Control Interface - routines for setup from configuration
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ * Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ unsigned int lock: 1;
+ unsigned int preserve: 1;
+ snd_ctl_elem_id_t *id;
+ snd_ctl_elem_info_t *info;
+ snd_ctl_elem_value_t *val;
+ snd_ctl_elem_value_t *mask;
+ snd_ctl_elem_value_t *old;
+ struct list_head list;
+} snd_sctl_elem_t;
+
+struct _snd_sctl {
+ int mode;
+ snd_ctl_t *ctl;
+ struct list_head elems;
+};
+#endif /* DOC_HIDDEN */
+
+static int free_elems(snd_sctl_t *h)
+{
+ int err = 0;
+ while (!list_empty(&h->elems)) {
+ snd_sctl_elem_t *elem = list_entry(h->elems.next, snd_sctl_elem_t, list);
+ snd_ctl_elem_id_free(elem->id);
+ snd_ctl_elem_info_free(elem->info);
+ snd_ctl_elem_value_free(elem->val);
+ snd_ctl_elem_value_free(elem->mask);
+ snd_ctl_elem_value_free(elem->old);
+ list_del(&elem->list);
+ free(elem);
+ }
+ if ((h->mode & SND_SCTL_NOFREE) == 0)
+ err = snd_ctl_close(h->ctl);
+ free(h);
+ return err;
+}
+
+/**
+ * \brief Install given values to control elements
+ * \param h Setup control handle
+ * \result zero if success, otherwise a negative error code
+ */
+int snd_sctl_install(snd_sctl_t *h)
+{
+ struct list_head *pos;
+ int err;
+ unsigned int k;
+ assert(h);
+ list_for_each(pos, &h->elems) {
+ snd_sctl_elem_t *elem = list_entry(pos, snd_sctl_elem_t, list);
+ unsigned int count;
+ snd_ctl_elem_type_t type;
+ if (elem->lock) {
+ err = snd_ctl_elem_lock(h->ctl, elem->id);
+ if (err < 0) {
+ SNDERR("Cannot lock ctl elem");
+ return err;
+ }
+ }
+ err = snd_ctl_elem_read(h->ctl, elem->old);
+ if (err < 0) {
+ SNDERR("Cannot read ctl elem");
+ return err;
+ }
+ count = snd_ctl_elem_info_get_count(elem->info);
+ type = snd_ctl_elem_info_get_type(elem->info);
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ for (k = 0; k < count; ++k) {
+ int old, val, mask;
+ old = snd_ctl_elem_value_get_boolean(elem->old, k);
+ mask = snd_ctl_elem_value_get_boolean(elem->mask, k);
+ old &= ~mask;
+ if (old) {
+ val = snd_ctl_elem_value_get_boolean(elem->val, k);
+ val |= old;
+ snd_ctl_elem_value_set_boolean(elem->val, k, val);
+ }
+ }
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ for (k = 0; k < count; ++k) {
+ long old, val, mask;
+ old = snd_ctl_elem_value_get_integer(elem->old, k);
+ mask = snd_ctl_elem_value_get_integer(elem->mask, k);
+ old &= ~mask;
+ if (old) {
+ val = snd_ctl_elem_value_get_integer(elem->val, k);
+ val |= old;
+ snd_ctl_elem_value_set_integer(elem->val, k, val);
+ }
+ }
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ for (k = 0; k < count; ++k) {
+ unsigned int old, val, mask;
+ old = snd_ctl_elem_value_get_enumerated(elem->old, k);
+ mask = snd_ctl_elem_value_get_enumerated(elem->mask, k);
+ old &= ~mask;
+ if (old) {
+ val = snd_ctl_elem_value_get_enumerated(elem->val, k);
+ val |= old;
+ snd_ctl_elem_value_set_enumerated(elem->val, k, val);
+ }
+ }
+ break;
+ case SND_CTL_ELEM_TYPE_IEC958:
+ count = sizeof(snd_aes_iec958_t);
+ /* Fall through */
+ case SND_CTL_ELEM_TYPE_BYTES:
+ for (k = 0; k < count; ++k) {
+ unsigned char old, val, mask;
+ old = snd_ctl_elem_value_get_byte(elem->old, k);
+ mask = snd_ctl_elem_value_get_byte(elem->mask, k);
+ old &= ~mask;
+ if (old) {
+ val = snd_ctl_elem_value_get_byte(elem->val, k);
+ val |= old;
+ snd_ctl_elem_value_set_byte(elem->val, k, val);
+ }
+ }
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ err = snd_ctl_elem_write(h->ctl, elem->val);
+ if (err < 0) {
+ SNDERR("Cannot write ctl elem");
+ return err;
+ }
+ }
+ return 0;
+}
+
+/**
+ * \brief Remove (restore) previous values from control elements
+ * \param h Setup control handle
+ * \result zero if success, otherwise a negative error code
+ */
+int snd_sctl_remove(snd_sctl_t *h)
+{
+ struct list_head *pos;
+ int err;
+ assert(h);
+ list_for_each(pos, &h->elems) {
+ snd_sctl_elem_t *elem = list_entry(pos, snd_sctl_elem_t, list);
+ if (elem->lock) {
+ err = snd_ctl_elem_unlock(h->ctl, elem->id);
+ if (err < 0) {
+ SNDERR("Cannot unlock ctl elem");
+ return err;
+ }
+ }
+ /* Only restore the old value if it differs from the requested
+ * value, because if it has changed restoring the old value
+ * overrides the change. Take for example, a voice modem with
+ * a .conf that sets preserve off-hook. Start playback (on-hook
+ * to off-hook), start record (off-hook to off-hook), stop
+ * playback (off-hook to restore on-hook), stop record (on-hook
+ * to restore off-hook), Clearly you don't want to leave the
+ * modem "on the phone" now that there isn't any playback or
+ * recording active.
+ */
+ if (elem->preserve && snd_ctl_elem_value_compare(elem->val, elem->old)) {
+ err = snd_ctl_elem_write(h->ctl, elem->old);
+ if (err < 0) {
+ SNDERR("Cannot restore ctl elem");
+ return err;
+ }
+ }
+ }
+ return 0;
+}
+
+static int snd_config_get_ctl_elem_enumerated(snd_config_t *n, snd_ctl_t *ctl,
+ snd_ctl_elem_info_t *info)
+{
+ const char *str;
+ long val;
+ unsigned int idx, items;
+ switch (snd_config_get_type(n)) {
+ case SND_CONFIG_TYPE_INTEGER:
+ snd_config_get_integer(n, &val);
+ return val;
+ case SND_CONFIG_TYPE_STRING:
+ snd_config_get_string(n, &str);
+ break;
+ default:
+ return -1;
+ }
+ items = snd_ctl_elem_info_get_items(info);
+ for (idx = 0; idx < items; idx++) {
+ int err;
+ snd_ctl_elem_info_set_item(info, idx);
+ err = snd_ctl_elem_info(ctl, info);
+ if (err < 0) {
+ SNDERR("Cannot obtain info for CTL elem");
+ return err;
+ }
+ if (strcmp(str, snd_ctl_elem_info_get_item_name(info)) == 0)
+ return idx;
+ }
+ return -1;
+}
+
+static int snd_config_get_ctl_elem_value(snd_config_t *conf,
+ snd_ctl_t *ctl,
+ snd_ctl_elem_value_t *val,
+ snd_ctl_elem_value_t *mask,
+ snd_ctl_elem_info_t *info)
+{
+ int err;
+ snd_config_iterator_t i, next;
+ snd_ctl_elem_id_t *id;
+ snd_ctl_elem_type_t type;
+ unsigned int count;
+ long v;
+ long idx;
+ snd_ctl_elem_id_alloca(&id);
+ snd_ctl_elem_value_get_id(val, id);
+ count = snd_ctl_elem_info_get_count(info);
+ type = snd_ctl_elem_info_get_type(info);
+ if (count == 1) {
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ v = snd_config_get_bool(conf);
+ if (v >= 0) {
+ snd_ctl_elem_value_set_boolean(val, 0, v);
+ if (mask)
+ snd_ctl_elem_value_set_boolean(mask, 0, 1);
+ return 0;
+ }
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ err = snd_config_get_integer(conf, &v);
+ if (err == 0) {
+ snd_ctl_elem_value_set_integer(val, 0, v);
+ if (mask)
+ snd_ctl_elem_value_set_integer(mask, 0, ~0L);
+ return 0;
+ }
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ v = snd_config_get_ctl_elem_enumerated(conf, ctl, info);
+ if (v >= 0) {
+ snd_ctl_elem_value_set_enumerated(val, 0, v);
+ if (mask)
+ snd_ctl_elem_value_set_enumerated(mask, 0, ~0);
+ return 0;
+ }
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ case SND_CTL_ELEM_TYPE_IEC958:
+ break;
+ default:
+ SNDERR("Unknown control type: %d", type);
+ return -EINVAL;
+ }
+ }
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_IEC958:
+ count = sizeof(snd_aes_iec958_t);
+ /* Fall through */
+ case SND_CTL_ELEM_TYPE_BYTES:
+ {
+ const char *buf;
+ err = snd_config_get_string(conf, &buf);
+ if (err >= 0) {
+ int c1 = 0;
+ unsigned int len = strlen(buf);
+ unsigned int idx = 0;
+ if (len % 2 != 0 || len > count * 2) {
+ _bad_content:
+ SNDERR("bad value content\n");
+ return -EINVAL;
+ }
+ while (*buf) {
+ int c = *buf++;
+ if (c >= '0' && c <= '9')
+ c -= '0';
+ else if (c >= 'a' && c <= 'f')
+ c = c - 'a' + 10;
+ else if (c >= 'A' && c <= 'F')
+ c = c - 'A' + 10;
+ else {
+ goto _bad_content;
+ }
+ if (idx % 2 == 1) {
+ snd_ctl_elem_value_set_byte(val, idx / 2, c1 << 4 | c);
+ if (mask)
+ snd_ctl_elem_value_set_byte(mask, idx / 2, 0xff);
+ } else
+ c1 = c;
+ idx++;
+ }
+ return 0;
+ }
+ }
+ default:
+ break;
+ }
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("bad value type");
+ return -EINVAL;
+ }
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &idx);
+ if (err < 0 || idx < 0 || (unsigned int) idx >= count) {
+ SNDERR("bad value index");
+ return -EINVAL;
+ }
+ switch (type) {
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ v = snd_config_get_bool(n);
+ if (v < 0)
+ goto _bad_content;
+ snd_ctl_elem_value_set_boolean(val, idx, v);
+ if (mask)
+ snd_ctl_elem_value_set_boolean(mask, idx, 1);
+ break;
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ err = snd_config_get_integer(n, &v);
+ if (err < 0)
+ goto _bad_content;
+ snd_ctl_elem_value_set_integer(val, idx, v);
+ if (mask)
+ snd_ctl_elem_value_set_integer(mask, idx, ~0L);
+ break;
+ case SND_CTL_ELEM_TYPE_ENUMERATED:
+ v = snd_config_get_ctl_elem_enumerated(n, ctl, info);
+ if (v < 0)
+ goto _bad_content;
+ snd_ctl_elem_value_set_enumerated(val, idx, v);
+ if (mask)
+ snd_ctl_elem_value_set_enumerated(mask, idx, ~0);
+ break;
+ case SND_CTL_ELEM_TYPE_BYTES:
+ case SND_CTL_ELEM_TYPE_IEC958:
+ err = snd_config_get_integer(n, &v);
+ if (err < 0 || v < 0 || v > 255)
+ goto _bad_content;
+ snd_ctl_elem_value_set_byte(val, idx, v);
+ if (mask)
+ snd_ctl_elem_value_set_byte(mask, idx, 0xff);
+ break;
+ default:
+ break;
+ }
+ }
+ return 0;
+}
+
+static int add_elem(snd_sctl_t *h, snd_config_t *_conf, snd_config_t *private_data, int *quit)
+{
+ snd_config_t *conf;
+ snd_config_iterator_t i, next;
+ int iface = SND_CTL_ELEM_IFACE_MIXER;
+ const char *name = NULL;
+ long index = 0;
+ long device = -1;
+ long subdevice = -1;
+ int lock = 0;
+ int preserve = 0;
+ int optional = 0;
+ int skip_rest = 0;
+ snd_config_t *value = NULL, *mask = NULL;
+ snd_sctl_elem_t *elem = NULL;
+ int err;
+ err = snd_config_expand(_conf, _conf, NULL, private_data, &conf);
+ if (err < 0)
+ return err;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "iface") == 0 || strcmp(id, "interface") == 0) {
+ const char *ptr;
+ if ((err = snd_config_get_string(n, &ptr)) < 0) {
+ SNDERR("field %s is not a string", id);
+ goto _err;
+ }
+ if ((err = snd_config_get_ctl_iface_ascii(ptr)) < 0) {
+ SNDERR("Invalid value for '%s'", id);
+ goto _err;
+ }
+ iface = err;
+ continue;
+ }
+ if (strcmp(id, "name") == 0) {
+ if ((err = snd_config_get_string(n, &name)) < 0) {
+ SNDERR("field %s is not a string", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "index") == 0) {
+ if ((err = snd_config_get_integer(n, &index)) < 0) {
+ SNDERR("field %s is not an integer", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "device") == 0) {
+ if ((err = snd_config_get_integer(n, &device)) < 0) {
+ SNDERR("field %s is not an integer", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "subdevice") == 0) {
+ if ((err = snd_config_get_integer(n, &subdevice)) < 0) {
+ SNDERR("field %s is not an integer", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "lock") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ goto _err;
+ lock = err;
+ continue;
+ }
+ if (strcmp(id, "preserve") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ goto _err;
+ preserve = err;
+ continue;
+ }
+ if (strcmp(id, "value") == 0) {
+ value = n;
+ continue;
+ }
+ if (strcmp(id, "mask") == 0) {
+ mask = n;
+ continue;
+ }
+ if (strcmp(id, "optional") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ goto _err;
+ optional = err;
+ continue;
+ }
+ if (strcmp(id, "skip_rest") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ goto _err;
+ skip_rest = err;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (name == NULL) {
+ SNDERR("Missing control name");
+ err = -EINVAL;
+ goto _err;
+ }
+ if (value == NULL) {
+ SNDERR("Missing control value");
+ err = -EINVAL;
+ goto _err;
+ }
+ if (device < 0)
+ device = 0;
+ if (subdevice < 0)
+ subdevice = 0;
+ elem = calloc(1, sizeof(*elem));
+ if (!elem)
+ return -ENOMEM;
+ err = snd_ctl_elem_id_malloc(&elem->id);
+ if (err < 0)
+ goto _err;
+ err = snd_ctl_elem_info_malloc(&elem->info);
+ if (err < 0)
+ goto _err;
+ err = snd_ctl_elem_value_malloc(&elem->val);
+ if (err < 0)
+ goto _err;
+ err = snd_ctl_elem_value_malloc(&elem->mask);
+ if (err < 0)
+ goto _err;
+ err = snd_ctl_elem_value_malloc(&elem->old);
+ if (err < 0)
+ goto _err;
+ elem->lock = lock;
+ elem->preserve = preserve;
+ snd_ctl_elem_id_set_interface(elem->id, iface);
+ snd_ctl_elem_id_set_name(elem->id, name);
+ snd_ctl_elem_id_set_index(elem->id, index);
+ snd_ctl_elem_id_set_device(elem->id, device);
+ snd_ctl_elem_id_set_subdevice(elem->id, subdevice);
+ snd_ctl_elem_info_set_id(elem->info, elem->id);
+ err = snd_ctl_elem_info(h->ctl, elem->info);
+ if (err < 0) {
+ if (! optional)
+ SNDERR("Cannot obtain info for CTL elem (%s,'%s',%li,%li,%li): %s", snd_ctl_elem_iface_name(iface), name, index, device, subdevice, snd_strerror(err));
+ goto _err;
+ } else {
+ if (skip_rest)
+ *quit = 1;
+ }
+ snd_ctl_elem_value_set_id(elem->val, elem->id);
+ snd_ctl_elem_value_set_id(elem->old, elem->id);
+ if (mask) {
+ err = snd_config_get_ctl_elem_value(value, h->ctl, elem->val, NULL, elem->info);
+ if (err < 0)
+ goto _err;
+ err = snd_config_get_ctl_elem_value(mask, h->ctl, elem->mask, NULL, elem->info);
+ if (err < 0)
+ goto _err;
+ } else {
+ err = snd_config_get_ctl_elem_value(value, h->ctl, elem->val, elem->mask, elem->info);
+ if (err < 0)
+ goto _err;
+ }
+
+ err = snd_config_get_ctl_elem_value(value, h->ctl, elem->val, elem->mask, elem->info);
+ if (err < 0)
+ goto _err;
+ list_add_tail(&elem->list, &h->elems);
+
+ _err:
+ if (err < 0 && elem) {
+ if (elem->id)
+ snd_ctl_elem_id_free(elem->id);
+ if (elem->info)
+ snd_ctl_elem_info_free(elem->info);
+ if (elem->val)
+ snd_ctl_elem_value_free(elem->val);
+ if (elem->mask)
+ snd_ctl_elem_value_free(elem->mask);
+ if (elem->old)
+ snd_ctl_elem_value_free(elem->old);
+ free(elem);
+ if (err != -ENOMEM && optional)
+ err = 0; /* ignore the error */
+ }
+ if (conf)
+ snd_config_delete(conf);
+ return err;
+}
+
+/**
+ * \brief Build setup control handle
+ * \param sctl Result - setup control handle
+ * \param handle Master control handle
+ * \param conf Setup configuration
+ * \param private_data Private data for runtime evaluation
+ * \param mode Build mode - SND_SCTL_xxxx
+ * \result zero if success, otherwise a negative error code
+ */
+int snd_sctl_build(snd_sctl_t **sctl, snd_ctl_t *handle, snd_config_t *conf, snd_config_t *private_data, int mode)
+{
+ snd_sctl_t *h;
+ snd_config_iterator_t i, next;
+ int err, quit = 0;
+
+ assert(sctl);
+ assert(handle);
+ assert(conf);
+ *sctl = NULL;
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND)
+ return -EINVAL;
+ h = calloc(1, sizeof(*h));
+ if (!h) {
+ if (mode & SND_SCTL_NOFREE)
+ return -ENOMEM;
+ snd_ctl_close(handle);
+ return -ENOMEM;
+ }
+ h->mode = mode;
+ h->ctl = handle;
+ INIT_LIST_HEAD(&h->elems);
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ err = add_elem(h, n, private_data, &quit);
+ if (err < 0) {
+ free_elems(h);
+ return err;
+ }
+ if (quit)
+ break;
+ }
+ *sctl = h;
+ return 0;
+}
+
+/**
+ * \brief Free setup control handle
+ * \param sctl Setup control handle
+ * \result zero if success, otherwise a negative error code
+ */
+int snd_sctl_free(snd_sctl_t *sctl)
+{
+ assert(sctl);
+ return free_elems(sctl);
+}
diff --git a/src/control/tlv.c b/src/control/tlv.c
new file mode 100644
index 0000000..b08d887
--- /dev/null
+++ b/src/control/tlv.c
@@ -0,0 +1,498 @@
+/**
+ * \file control/tlv.c
+ * \brief dB conversion functions from control TLV information
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2007
+ */
+/*
+ * Control Interface - dB conversion functions from control TLV information
+ *
+ * Copyright (c) 2007 Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#ifndef HAVE_SOFT_FLOAT
+#include <math.h>
+#endif
+#include "control_local.h"
+
+#ifndef DOC_HIDDEN
+/* convert to index of integer array */
+#define int_index(size) (((size) + sizeof(int) - 1) / sizeof(int))
+/* max size of a TLV entry for dB information (including compound one) */
+#define MAX_TLV_RANGE_SIZE 256
+#endif
+
+/**
+ * \brief Parse TLV stream and retrieve dB information
+ * \param tlv the TLV source
+ * \param tlv_size the byte size of TLV source
+ * \param db_tlvp the pointer stored the dB TLV information
+ * \return the byte size of dB TLV information if found in the given
+ * TLV source, or a negative error code.
+ *
+ * This function parses the given TLV source and stores the TLV start
+ * point if the TLV information regarding dB conversion is found.
+ * The stored TLV pointer can be passed to the convesion functions
+ * #snd_tlv_convert_to_dB(), #snd_tlv_convert_from_dB() and
+ * #snd_tlv_get_dB_range().
+ */
+int snd_tlv_parse_dB_info(unsigned int *tlv,
+ unsigned int tlv_size,
+ unsigned int **db_tlvp)
+{
+ unsigned int type;
+ unsigned int size;
+ int err;
+
+ *db_tlvp = NULL;
+ type = tlv[0];
+ size = tlv[1];
+ tlv_size -= 2 * sizeof(int);
+ if (size > tlv_size) {
+ SNDERR("TLV size error");
+ return -EINVAL;
+ }
+ switch (type) {
+ case SND_CTL_TLVT_CONTAINER:
+ size = int_index(size) * sizeof(int);
+ tlv += 2;
+ while (size > 0) {
+ unsigned int len;
+ err = snd_tlv_parse_dB_info(tlv, size, db_tlvp);
+ if (err < 0)
+ return err; /* error */
+ if (err > 0)
+ return err; /* found */
+ len = int_index(tlv[1]) + 2;
+ size -= len * sizeof(int);
+ tlv += len;
+ }
+ break;
+ case SND_CTL_TLVT_DB_SCALE:
+ case SND_CTL_TLVT_DB_MINMAX:
+ case SND_CTL_TLVT_DB_MINMAX_MUTE:
+#ifndef HAVE_SOFT_FLOAT
+ case SND_CTL_TLVT_DB_LINEAR:
+#endif
+ case SND_CTL_TLVT_DB_RANGE: {
+ unsigned int minsize;
+ if (type == SND_CTL_TLVT_DB_RANGE)
+ minsize = 4 * sizeof(int);
+ else
+ minsize = 2 * sizeof(int);
+ if (size < minsize) {
+ SNDERR("Invalid dB_scale TLV size");
+ return -EINVAL;
+ }
+ if (size > MAX_TLV_RANGE_SIZE) {
+ SNDERR("Too big dB_scale TLV size: %d", size);
+ return -EINVAL;
+ }
+ *db_tlvp = tlv;
+ return size + sizeof(int) * 2;
+ }
+ default:
+ break;
+ }
+ return -EINVAL; /* not found */
+}
+
+/**
+ * \brief Get the dB min/max values
+ * \param tlv the TLV source returned by #snd_tlv_parse_dB_info()
+ * \param rangemin the minimum value of the raw volume
+ * \param rangemax the maximum value of the raw volume
+ * \param min the pointer to store the minimum dB value (in 0.01dB unit)
+ * \param max the pointer to store the maximum dB value (in 0.01dB unit)
+ * \return 0 if successful, or a negative error code
+ */
+int snd_tlv_get_dB_range(unsigned int *tlv, long rangemin, long rangemax,
+ long *min, long *max)
+{
+ int err;
+
+ switch (tlv[0]) {
+ case SND_CTL_TLVT_DB_RANGE: {
+ unsigned int pos, len;
+ len = int_index(tlv[1]);
+ if (len > MAX_TLV_RANGE_SIZE)
+ return -EINVAL;
+ pos = 2;
+ while (pos + 4 <= len) {
+ long rmin, rmax;
+ long submin, submax;
+ submin = (int)tlv[pos];
+ submax = (int)tlv[pos + 1];
+ if (rangemax < submax)
+ submax = rangemax;
+ err = snd_tlv_get_dB_range(tlv + pos + 2,
+ submin, submax,
+ &rmin, &rmax);
+ if (err < 0)
+ return err;
+ if (pos > 2) {
+ if (rmin < *min)
+ *min = rmin;
+ if (rmax > *max)
+ *max = rmax;
+ } else {
+ *min = rmin;
+ *max = rmax;
+ }
+ if (rangemax == submax)
+ return 0;
+ pos += int_index(tlv[pos + 3]) + 4;
+ }
+ return 0;
+ }
+ case SND_CTL_TLVT_DB_SCALE: {
+ int step;
+ if (tlv[3] & 0x10000)
+ *min = SND_CTL_TLV_DB_GAIN_MUTE;
+ else
+ *min = (int)tlv[2];
+ step = (tlv[3] & 0xffff);
+ *max = (int)tlv[2] + step * (rangemax - rangemin);
+ return 0;
+ }
+ case SND_CTL_TLVT_DB_MINMAX:
+ case SND_CTL_TLVT_DB_LINEAR:
+ *min = (int)tlv[2];
+ *max = (int)tlv[3];
+ return 0;
+ case SND_CTL_TLVT_DB_MINMAX_MUTE:
+ *min = SND_CTL_TLV_DB_GAIN_MUTE;
+ *max = (int)tlv[3];
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief Convert the given raw volume value to a dB gain
+ * \param tlv the TLV source returned by #snd_tlv_parse_dB_info()
+ * \param rangemin the minimum value of the raw volume
+ * \param rangemax the maximum value of the raw volume
+ * \param volume the raw volume value to convert
+ * \param db_gain the dB gain (in 0.01dB unit)
+ * \return 0 if successful, or a negative error code
+ */
+int snd_tlv_convert_to_dB(unsigned int *tlv, long rangemin, long rangemax,
+ long volume, long *db_gain)
+{
+ switch (tlv[0]) {
+ case SND_CTL_TLVT_DB_RANGE: {
+ unsigned int pos, len;
+ len = int_index(tlv[1]);
+ if (len > MAX_TLV_RANGE_SIZE)
+ return -EINVAL;
+ pos = 2;
+ while (pos + 4 <= len) {
+ rangemin = (int)tlv[pos];
+ rangemax = (int)tlv[pos + 1];
+ if (volume >= rangemin && volume <= rangemax)
+ return snd_tlv_convert_to_dB(tlv + pos + 2,
+ rangemin, rangemax,
+ volume, db_gain);
+ pos += int_index(tlv[pos + 3]) + 4;
+ }
+ return -EINVAL;
+ }
+ case SND_CTL_TLVT_DB_SCALE: {
+ int min, step, mute;
+ min = tlv[2];
+ step = (tlv[3] & 0xffff);
+ mute = (tlv[3] >> 16) & 1;
+ if (mute && volume <= rangemin)
+ *db_gain = SND_CTL_TLV_DB_GAIN_MUTE;
+ else
+ *db_gain = (volume - rangemin) * step + min;
+ return 0;
+ }
+ case SND_CTL_TLVT_DB_MINMAX:
+ case SND_CTL_TLVT_DB_MINMAX_MUTE: {
+ int mindb, maxdb;
+ mindb = tlv[2];
+ maxdb = tlv[3];
+ if (volume <= rangemin || rangemax <= rangemin) {
+ if (tlv[0] == SND_CTL_TLVT_DB_MINMAX_MUTE)
+ *db_gain = SND_CTL_TLV_DB_GAIN_MUTE;
+ else
+ *db_gain = mindb;
+ } else if (volume >= rangemax)
+ *db_gain = maxdb;
+ else
+ *db_gain = (maxdb - mindb) * (volume - rangemin) /
+ (rangemax - rangemin) + mindb;
+ return 0;
+ }
+#ifndef HAVE_SOFT_FLOAT
+ case SND_CTL_TLVT_DB_LINEAR: {
+ int mindb = tlv[2];
+ int maxdb = tlv[3];
+ if (volume <= rangemin || rangemax <= rangemin)
+ *db_gain = mindb;
+ else if (volume >= rangemax)
+ *db_gain = maxdb;
+ else {
+ double val = (double)(volume - rangemin) /
+ (double)(rangemax - rangemin);
+ if (mindb <= SND_CTL_TLV_DB_GAIN_MUTE)
+ *db_gain = (long)(100.0 * 20.0 * log10(val)) +
+ maxdb;
+ else {
+ /* FIXME: precalculate and cache these values */
+ double lmin = pow(10.0, mindb/2000.0);
+ double lmax = pow(10.0, maxdb/2000.0);
+ val = (lmax - lmin) * val + lmin;
+ *db_gain = (long)(100.0 * 20.0 * log10(val));
+ }
+ }
+ return 0;
+ }
+#endif
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief Convert from dB gain to the corresponding raw value
+ * \param tlv the TLV source returned by #snd_tlv_parse_dB_info()
+ * \param rangemin the minimum value of the raw volume
+ * \param rangemax the maximum value of the raw volume
+ * \param db_gain the dB gain to convert (in 0.01dB unit)
+ * \param value the pointer to store the converted raw volume value
+ * \param xdir the direction for round-up. The value is round up
+ * when this is positive.
+ * \return 0 if successful, or a negative error code
+ */
+int snd_tlv_convert_from_dB(unsigned int *tlv, long rangemin, long rangemax,
+ long db_gain, long *value, int xdir)
+{
+ switch (tlv[0]) {
+ case SND_CTL_TLVT_DB_RANGE: {
+ long dbmin, dbmax, prev_submax;
+ unsigned int pos, len;
+ len = int_index(tlv[1]);
+ if (len < 6 || len > MAX_TLV_RANGE_SIZE)
+ return -EINVAL;
+ pos = 2;
+ prev_submax = 0;
+ while (pos + 4 <= len) {
+ long submin, submax;
+ submin = (int)tlv[pos];
+ submax = (int)tlv[pos + 1];
+ if (rangemax < submax)
+ submax = rangemax;
+ if (!snd_tlv_get_dB_range(tlv + pos + 2,
+ submin, submax,
+ &dbmin, &dbmax) &&
+ db_gain >= dbmin && db_gain <= dbmax)
+ return snd_tlv_convert_from_dB(tlv + pos + 2,
+ submin, submax,
+ db_gain, value, xdir);
+ else if (db_gain < dbmin) {
+ *value = xdir > 0 || pos == 2 ? submin : prev_submax;
+ return 0;
+ }
+ prev_submax = submax;
+ if (rangemax == submax)
+ break;
+ pos += int_index(tlv[pos + 3]) + 4;
+ }
+ *value = prev_submax;
+ return 0;
+ }
+ case SND_CTL_TLVT_DB_SCALE: {
+ int min, step, max;
+ min = tlv[2];
+ step = (tlv[3] & 0xffff);
+ max = min + (int)(step * (rangemax - rangemin));
+ if (db_gain <= min)
+ if (db_gain > SND_CTL_TLV_DB_GAIN_MUTE && xdir > 0 &&
+ (tlv[3] & 0x10000))
+ *value = rangemin + 1;
+ else
+ *value = rangemin;
+ else if (db_gain >= max)
+ *value = rangemax;
+ else {
+ long v = (db_gain - min) * (rangemax - rangemin);
+ if (xdir > 0)
+ v += (max - min) - 1;
+ v = v / (max - min) + rangemin;
+ *value = v;
+ }
+ return 0;
+ }
+ case SND_CTL_TLVT_DB_MINMAX:
+ case SND_CTL_TLVT_DB_MINMAX_MUTE: {
+ int min, max;
+ min = tlv[2];
+ max = tlv[3];
+ if (db_gain <= min)
+ if (db_gain > SND_CTL_TLV_DB_GAIN_MUTE && xdir > 0 &&
+ tlv[0] == SND_CTL_TLVT_DB_MINMAX_MUTE)
+ *value = rangemin + 1;
+ else
+ *value = rangemin;
+ else if (db_gain >= max)
+ *value = rangemax;
+ else {
+ long v = (db_gain - min) * (rangemax - rangemin);
+ if (xdir > 0)
+ v += (max - min) - 1;
+ v = v / (max - min) + rangemin;
+ *value = v;
+ }
+ return 0;
+ }
+#ifndef HAVE_SOFT_FLOAT
+ case SND_CTL_TLVT_DB_LINEAR: {
+ int min, max;
+ min = tlv[2];
+ max = tlv[3];
+ if (db_gain <= min)
+ *value = rangemin;
+ else if (db_gain >= max)
+ *value = rangemax;
+ else {
+ /* FIXME: precalculate and cache vmin and vmax */
+ double vmin, vmax, v;
+ vmin = (min <= SND_CTL_TLV_DB_GAIN_MUTE) ? 0.0 :
+ pow(10.0, (double)min / 2000.0);
+ vmax = !max ? 1.0 : pow(10.0, (double)max / 2000.0);
+ v = pow(10.0, (double)db_gain / 2000.0);
+ v = (v - vmin) * (rangemax - rangemin) / (vmax - vmin);
+ if (xdir > 0)
+ v = ceil(v);
+ *value = (long)v + rangemin;
+ }
+ return 0;
+ }
+#endif
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+#ifndef DOC_HIDDEN
+#define TEMP_TLV_SIZE 4096
+struct tlv_info {
+ long minval, maxval;
+ unsigned int *tlv;
+ unsigned int buf[TEMP_TLV_SIZE];
+};
+#endif
+
+static int get_tlv_info(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ struct tlv_info *rec)
+{
+ snd_ctl_elem_info_t *info;
+ int err;
+
+ snd_ctl_elem_info_alloca(&info);
+ snd_ctl_elem_info_set_id(info, id);
+ err = snd_ctl_elem_info(ctl, info);
+ if (err < 0)
+ return err;
+ if (!snd_ctl_elem_info_is_tlv_readable(info))
+ return -EINVAL;
+ if (snd_ctl_elem_info_get_type(info) != SND_CTL_ELEM_TYPE_INTEGER)
+ return -EINVAL;
+ rec->minval = snd_ctl_elem_info_get_min(info);
+ rec->maxval = snd_ctl_elem_info_get_max(info);
+ err = snd_ctl_elem_tlv_read(ctl, id, rec->buf, sizeof(rec->buf));
+ if (err < 0)
+ return err;
+ err = snd_tlv_parse_dB_info(rec->buf, sizeof(rec->buf), &rec->tlv);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+/**
+ * \brief Get the dB min/max values on the given control element
+ * \param ctl the control handler
+ * \param id the element id
+ * \param min the pointer to store the minimum dB value (in 0.01dB unit)
+ * \param max the pointer to store the maximum dB value (in 0.01dB unit)
+ * \return 0 if successful, or a negative error code
+ */
+int snd_ctl_get_dB_range(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long *min, long *max)
+{
+ struct tlv_info info;
+ int err;
+
+ err = get_tlv_info(ctl, id, &info);
+ if (err < 0)
+ return err;
+ return snd_tlv_get_dB_range(info.tlv, info.minval, info.maxval,
+ min, max);
+}
+
+/**
+ * \brief Convert the volume value to dB on the given control element
+ * \param ctl the control handler
+ * \param id the element id
+ * \param volume the raw volume value to convert
+ * \param db_gain the dB gain (in 0.01dB unit)
+ * \return 0 if successful, or a negative error code
+ */
+int snd_ctl_convert_to_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long volume, long *db_gain)
+{
+ struct tlv_info info;
+ int err;
+
+ err = get_tlv_info(ctl, id, &info);
+ if (err < 0)
+ return err;
+ return snd_tlv_convert_to_dB(info.tlv, info.minval, info.maxval,
+ volume, db_gain);
+}
+
+/**
+ * \brief Convert from dB gain to the raw volume value on the given control element
+ * \param ctl the control handler
+ * \param id the element id
+ * \param db_gain the dB gain to convert (in 0.01dB unit)
+ * \param value the pointer to store the converted raw volume value
+ * \param xdir the direction for round-up. The value is round up
+ * when this is positive.
+ * \return 0 if successful, or a negative error code
+ */
+int snd_ctl_convert_from_dB(snd_ctl_t *ctl, const snd_ctl_elem_id_t *id,
+ long db_gain, long *value, int xdir)
+{
+ struct tlv_info info;
+ int err;
+
+ err = get_tlv_info(ctl, id, &info);
+ if (err < 0)
+ return err;
+ return snd_tlv_convert_from_dB(info.tlv, info.minval, info.maxval,
+ db_gain, value, xdir);
+}
diff --git a/src/dlmisc.c b/src/dlmisc.c
new file mode 100644
index 0000000..b36c48f
--- /dev/null
+++ b/src/dlmisc.c
@@ -0,0 +1,331 @@
+/**
+ * \file dlmisc.c
+ * \brief dynamic loader helpers
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2001
+ *
+ * Dynamic loader helpers
+ */
+/*
+ * Dynamic loader helpers
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "list.h"
+#include "local.h"
+#ifdef HAVE_LIBPTHREAD
+#include <pthread.h>
+#endif
+
+#ifndef DOC_HIDDEN
+#ifndef PIC
+struct snd_dlsym_link *snd_dlsym_start = NULL;
+#endif
+#endif
+
+/**
+ * \brief Opens a dynamic library - ALSA wrapper for \c dlopen.
+ * \param name name of the library, similar to \c dlopen.
+ * \param mode mode flags, similar to \c dlopen.
+ * \return Library handle if successful, otherwise \c NULL.
+ *
+ * This function can emulate dynamic linking for the static build of
+ * the alsa-lib library. In that case, \p name is set to \c NULL.
+ */
+void *snd_dlopen(const char *name, int mode)
+{
+#ifndef PIC
+ if (name == NULL)
+ return &snd_dlsym_start;
+#else
+#ifdef HAVE_LIBDL
+ if (name == NULL) {
+ static const char * self = NULL;
+ if (self == NULL) {
+ Dl_info dlinfo;
+ if (dladdr(snd_dlopen, &dlinfo) > 0)
+ self = dlinfo.dli_fname;
+ }
+ name = self;
+ }
+#endif
+#endif
+#ifdef HAVE_LIBDL
+ /*
+ * Handle the plugin dir not being on the default dlopen search
+ * path, without resorting to polluting the entire system namespace
+ * via ld.so.conf.
+ */
+ void *handle = NULL;
+ char *filename;
+
+ if (name && name[0] != '/') {
+ filename = malloc(sizeof(ALSA_PLUGIN_DIR) + 1 + strlen(name) + 1);
+ strcpy(filename, ALSA_PLUGIN_DIR);
+ strcat(filename, "/");
+ strcat(filename, name);
+ handle = dlopen(filename, mode);
+ free(filename);
+ }
+ if (!handle)
+ handle = dlopen(name, mode);
+ return handle;
+#else
+ return NULL;
+#endif
+}
+
+/**
+ * \brief Closes a dynamic library - ALSA wrapper for \c dlclose.
+ * \param handle Library handle, similar to \c dlclose.
+ * \return Zero if successful, otherwise an error code.
+ *
+ * This function can emulate dynamic linking for the static build of
+ * the alsa-lib library.
+ */
+int snd_dlclose(void *handle)
+{
+#ifndef PIC
+ if (handle == &snd_dlsym_start)
+ return 0;
+#endif
+#ifdef HAVE_LIBDL
+ return dlclose(handle);
+#else
+ return 0;
+#endif
+}
+
+/**
+ * \brief Verifies a dynamically loaded symbol.
+ * \param handle Library handle, similar to \c dlsym.
+ * \param name Symbol name.
+ * \param version Version of the symbol.
+ * \return Zero is successful, otherwise a negative error code.
+ *
+ * This function checks that the symbol with the version appended to its name
+ * does exist in the library.
+ */
+static int snd_dlsym_verify(void *handle, const char *name, const char *version)
+{
+#ifdef HAVE_LIBDL
+ int res;
+ char *vname;
+
+ if (handle == NULL)
+ return -EINVAL;
+ vname = alloca(1 + strlen(name) + strlen(version) + 1);
+ if (vname == NULL)
+ return -ENOMEM;
+ vname[0] = '_';
+ strcpy(vname + 1, name);
+ strcat(vname, version);
+ res = dlsym(handle, vname) == NULL ? -ENOENT : 0;
+ // printf("dlsym verify: %i, vname = '%s'\n", res, vname);
+ if (res < 0)
+ SNDERR("unable to verify version for symbol %s", name);
+ return res;
+#else
+ return 0;
+#endif
+}
+
+/**
+ * \brief Resolves a symbol from a dynamic library - ALSA wrapper for \c dlsym.
+ * \param handle Library handle, similar to \c dlsym.
+ * \param name Symbol name.
+ * \param version Version of the symbol.
+ *
+ * This function can emulate dynamic linking for the static build of
+ * the alsa-lib library.
+ *
+ * This special version of the \c dlsym function checks also the version
+ * of the symbol. A versioned symbol should be defined using the
+ * #SND_DLSYM_BUILD_VERSION macro.
+ */
+void *snd_dlsym(void *handle, const char *name, const char *version)
+{
+ int err;
+
+#ifndef PIC
+ if (handle == &snd_dlsym_start) {
+ /* it's the funny part: */
+ /* we are looking for a symbol in a static library */
+ struct snd_dlsym_link *link = snd_dlsym_start;
+ while (link) {
+ if (!strcmp(name, link->dlsym_name))
+ return (void *)link->dlsym_ptr;
+ link = link->next;
+ }
+ return NULL;
+ }
+#endif
+#ifdef HAVE_LIBDL
+#ifdef VERSIONED_SYMBOLS
+ if (version) {
+ err = snd_dlsym_verify(handle, name, version);
+ if (err < 0)
+ return NULL;
+ }
+#endif
+ return dlsym(handle, name);
+#else
+ return NULL;
+#endif
+}
+
+/*
+ * dlobj cache
+ */
+
+#ifndef DOC_HIDDEN
+struct dlobj_cache {
+ const char *lib;
+ const char *name;
+ void *dlobj;
+ void *func;
+ unsigned int refcnt;
+ struct list_head list;
+};
+
+#ifdef HAVE_LIBPTHREAD
+static pthread_mutex_t snd_dlobj_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static inline void snd_dlobj_lock(void)
+{
+ pthread_mutex_lock(&snd_dlobj_mutex);
+}
+
+static inline void snd_dlobj_unlock(void)
+{
+ pthread_mutex_unlock(&snd_dlobj_mutex);
+}
+#else
+static inline void snd_dlobj_lock(void) {}
+static inline void snd_dlobj_unlock(void) {}
+#endif
+
+static LIST_HEAD(pcm_dlobj_list);
+
+void *snd_dlobj_cache_get(const char *lib, const char *name,
+ const char *version, int verbose)
+{
+ struct list_head *p;
+ struct dlobj_cache *c;
+ void *func, *dlobj;
+
+ snd_dlobj_lock();
+ list_for_each(p, &pcm_dlobj_list) {
+ c = list_entry(p, struct dlobj_cache, list);
+ if (c->lib && lib && strcmp(c->lib, lib) != 0)
+ continue;
+ if (!c->lib && lib)
+ continue;
+ if (!lib && c->lib)
+ continue;
+ if (strcmp(c->name, name) == 0) {
+ c->refcnt++;
+ func = c->func;
+ snd_dlobj_unlock();
+ return func;
+ }
+ }
+
+ dlobj = snd_dlopen(lib, RTLD_NOW);
+ if (dlobj == NULL) {
+ if (verbose)
+ SNDERR("Cannot open shared library %s",
+ lib ? lib : "[builtin]");
+ snd_dlobj_unlock();
+ return NULL;
+ }
+
+ func = snd_dlsym(dlobj, name, version);
+ if (func == NULL) {
+ if (verbose)
+ SNDERR("symbol %s is not defined inside %s",
+ name, lib ? lib : "[builtin]");
+ goto __err;
+ }
+ c = malloc(sizeof(*c));
+ if (! c)
+ goto __err;
+ c->refcnt = 1;
+ c->lib = lib ? strdup(lib) : NULL;
+ c->name = strdup(name);
+ if ((lib && ! c->lib) || ! c->name) {
+ free((void *)c->name);
+ free((void *)c->lib);
+ free(c);
+ __err:
+ snd_dlclose(dlobj);
+ snd_dlobj_unlock();
+ return NULL;
+ }
+ c->dlobj = dlobj;
+ c->func = func;
+ list_add_tail(&c->list, &pcm_dlobj_list);
+ snd_dlobj_unlock();
+ return func;
+}
+
+int snd_dlobj_cache_put(void *func)
+{
+ struct list_head *p;
+ struct dlobj_cache *c;
+ unsigned int refcnt;
+
+ if (!func)
+ return -ENOENT;
+
+ snd_dlobj_lock();
+ list_for_each(p, &pcm_dlobj_list) {
+ c = list_entry(p, struct dlobj_cache, list);
+ if (c->func == func) {
+ refcnt = c->refcnt;
+ if (c->refcnt > 0)
+ c->refcnt--;
+ snd_dlobj_unlock();
+ return refcnt == 1 ? 0 : -EINVAL;
+ }
+ }
+ snd_dlobj_unlock();
+ return -ENOENT;
+}
+
+void snd_dlobj_cache_cleanup(void)
+{
+ struct list_head *p, *npos;
+ struct dlobj_cache *c;
+
+ snd_dlobj_lock();
+ list_for_each_safe(p, npos, &pcm_dlobj_list) {
+ c = list_entry(p, struct dlobj_cache, list);
+ if (c->refcnt)
+ continue;
+ list_del(p);
+ snd_dlclose(c->dlobj);
+ free((void *)c->name); /* shut up gcc warning */
+ free((void *)c->lib); /* shut up gcc warning */
+ free(c);
+ }
+
+ snd_dlobj_unlock();
+}
+#endif
diff --git a/src/error.c b/src/error.c
new file mode 100644
index 0000000..4566783
--- /dev/null
+++ b/src/error.c
@@ -0,0 +1,179 @@
+/**
+ * \file error.c
+ * \brief Error code handling routines
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 1998-2001
+ *
+ * Error code handling routines.
+ */
+/*
+ * Copyright (c) 1998 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * snd_strerror routine needs to be recoded for the locale support
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include "local.h"
+
+/**
+ * Array of error codes in US ASCII.
+ */
+static const char *snd_error_codes[] =
+{
+ "Sound protocol is not compatible"
+};
+
+/**
+ * \brief Returns the message for an error code.
+ * \param errnum The error code number, which must be a system error code
+ * or an ALSA error code.
+ * \return The ASCII description of the given numeric error code.
+ */
+const char *snd_strerror(int errnum)
+{
+ if (errnum < 0)
+ errnum = -errnum;
+ if (errnum < SND_ERROR_BEGIN)
+ return (const char *) strerror(errnum);
+ errnum -= SND_ERROR_BEGIN;
+ if ((unsigned int) errnum >= sizeof(snd_error_codes) / sizeof(const char *))
+ return "Unknown error";
+ return snd_error_codes[errnum];
+}
+
+#ifndef DOC_HIDDEN
+#ifdef HAVE___THREAD
+#define TLS_PFX __thread
+#else
+#define TLS_PFX /* NOP */
+#endif
+#endif
+
+static TLS_PFX snd_local_error_handler_t local_error = NULL;
+
+/**
+ * \brief Install local error handler
+ * \param func The local error handler function
+ * \retval Previous local error handler function
+ */
+snd_local_error_handler_t snd_lib_error_set_local(snd_local_error_handler_t func)
+{
+ snd_local_error_handler_t old = local_error;
+ local_error = func;
+ return old;
+}
+
+/**
+ * \brief The default error handler function.
+ * \param file The filename where the error was hit.
+ * \param line The line number.
+ * \param function The function name.
+ * \param err The error code.
+ * \param fmt The message (including the format characters).
+ * \param ... Optional arguments.
+ *
+ * If a local error function has been installed for the current thread by
+ * \ref snd_lib_error_set_local, it is called. Otherwise, prints the error
+ * message including location to \c stderr.
+ */
+static void snd_lib_error_default(const char *file, int line, const char *function, int err, const char *fmt, ...)
+{
+ va_list arg;
+ va_start(arg, fmt);
+ if (local_error) {
+ local_error(file, line, function, err, fmt, arg);
+ va_end(arg);
+ return;
+ }
+ fprintf(stderr, "ALSA lib %s:%i:(%s) ", file, line, function);
+ vfprintf(stderr, fmt, arg);
+ if (err)
+ fprintf(stderr, ": %s", snd_strerror(err));
+ putc('\n', stderr);
+ va_end(arg);
+}
+
+/**
+ * \ingroup Error
+ * Pointer to the error handler function.
+ * For internal use only.
+ */
+snd_lib_error_handler_t snd_lib_error = snd_lib_error_default;
+
+/**
+ * \brief Sets the error handler.
+ * \param handler The pointer to the new error handler function.
+ *
+ * This function sets a new error handler, or (if \c handler is \c NULL)
+ * the default one which prints the error messages to \c stderr.
+ */
+int snd_lib_error_set_handler(snd_lib_error_handler_t handler)
+{
+ snd_lib_error = handler == NULL ? snd_lib_error_default : handler;
+#ifndef NDEBUG
+ if (snd_lib_error != snd_lib_error_default)
+ snd_err_msg = snd_lib_error;
+#endif
+ return 0;
+}
+
+/**
+ * \brief Returns the ALSA sound library version in ASCII format
+ * \return The ASCII description of the used ALSA sound library.
+ */
+const char *snd_asoundlib_version(void)
+{
+ return SND_LIB_VERSION_STR;
+}
+
+#ifndef NDEBUG
+/*
+ * internal error handling
+ */
+static void snd_err_msg_default(const char *file, int line, const char *function, int err, const char *fmt, ...)
+{
+ va_list arg;
+ const char *verbose;
+
+ verbose = getenv("LIBASOUND_DEBUG");
+ if (! verbose || ! *verbose)
+ return;
+ va_start(arg, fmt);
+ fprintf(stderr, "ALSA lib %s:%i:(%s) ", file, line, function);
+ vfprintf(stderr, fmt, arg);
+ if (err)
+ fprintf(stderr, ": %s", snd_strerror(err));
+ putc('\n', stderr);
+ va_end(arg);
+#ifdef ALSA_DEBUG_ASSERT
+ verbose = getenv("LIBASOUND_DEBUG_ASSERT");
+ if (verbose && *verbose)
+ assert(0);
+#endif
+}
+
+/**
+ * The ALSA error message handler
+ */
+snd_lib_error_handler_t snd_err_msg = snd_err_msg_default;
+
+#endif
diff --git a/src/hwdep/Android.mk b/src/hwdep/Android.mk
new file mode 100644
index 0000000..6638353
--- /dev/null
+++ b/src/hwdep/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ hwdep.c \
+ hwdep_hw.c \
+ hwdep_symbols.c
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../include
+LOCAL_MODULE := libhwdep
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/hwdep/Makefile.am b/src/hwdep/Makefile.am
new file mode 100644
index 0000000..b543e58
--- /dev/null
+++ b/src/hwdep/Makefile.am
@@ -0,0 +1,8 @@
+EXTRA_LTLIBRARIES=libhwdep.la
+
+libhwdep_la_SOURCES = hwdep.c hwdep_hw.c hwdep_symbols.c
+noinst_HEADERS = hwdep_local.h
+all: libhwdep.la
+
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/hwdep/Makefile.in b/src/hwdep/Makefile.in
new file mode 100644
index 0000000..43ddf8a
--- /dev/null
+++ b/src/hwdep/Makefile.in
@@ -0,0 +1,542 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = src/hwdep
+DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
+ $(srcdir)/Makefile.in $(top_srcdir)/depcomp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
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+CONFIG_CLEAN_FILES =
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+noinst_HEADERS = hwdep_local.h
+AM_CPPFLAGS = -I$(top_srcdir)/include
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+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
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+ done; \
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+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/hwdep/Makefile
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+ -rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hwdep.Plo@am__quote@
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+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(COMPILE) -c `$(CYGPATH_W) '$<'`
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+.c.lo:
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
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+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
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+
+clean-libtool:
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+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
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+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
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+
+GTAGS:
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+ fi
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+all: libhwdep.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/hwdep/hwdep.c b/src/hwdep/hwdep.c
new file mode 100644
index 0000000..5dc791c
--- /dev/null
+++ b/src/hwdep/hwdep.c
@@ -0,0 +1,761 @@
+/**
+ * \file hwdep/hwdep.c
+ * \brief HwDep Interface (hardware dependent)
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ *
+ * HwDep (hardware dependent) Interface is designed for individual hardware
+ * access. This interface does not cover any API specification.
+ */
+/*
+ * Hardware dependent Interface - main file
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "hwdep_local.h"
+
+static int snd_hwdep_open_conf(snd_hwdep_t **hwdep,
+ const char *name, snd_config_t *hwdep_root,
+ snd_config_t *hwdep_conf, int mode)
+{
+ const char *str;
+ char buf[256];
+ int err;
+ snd_config_t *conf, *type_conf = NULL;
+ snd_config_iterator_t i, next;
+ const char *id;
+ const char *lib = NULL, *open_name = NULL;
+ int (*open_func)(snd_hwdep_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
+#ifndef PIC
+ extern void *snd_hwdep_open_symbols(void);
+#endif
+ void *h = NULL;
+ if (snd_config_get_type(hwdep_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ if (name)
+ SNDERR("Invalid type for HWDEP %s definition", name);
+ else
+ SNDERR("Invalid type for HWDEP definition");
+ return -EINVAL;
+ }
+ err = snd_config_search(hwdep_conf, "type", &conf);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ return err;
+ }
+ err = snd_config_get_id(conf, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(hwdep_root, "hwdep_type", str, &type_conf);
+ if (err >= 0) {
+ if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for HWDEP type %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ open_name = buf;
+ snprintf(buf, sizeof(buf), "_snd_hwdep_%s_open", str);
+ }
+#ifndef PIC
+ snd_hwdep_open_symbols();
+#endif
+ h = snd_dlopen(lib, RTLD_NOW);
+ if (h)
+ open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_HWDEP_DLSYM_VERSION));
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ } else if (!open_func) {
+ SNDERR("symbol %s is not defined inside %s", open_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ if (err >= 0) {
+ err = open_func(hwdep, name, hwdep_root, hwdep_conf, mode);
+ if (err >= 0) {
+ (*hwdep)->dl_handle = h;
+ } else {
+ snd_dlclose(h);
+ }
+ }
+ return err;
+}
+
+static int snd_hwdep_open_noupdate(snd_hwdep_t **hwdep, snd_config_t *root, const char *name, int mode)
+{
+ int err;
+ snd_config_t *hwdep_conf;
+ err = snd_config_search_definition(root, "hwdep", name, &hwdep_conf);
+ if (err < 0) {
+ SNDERR("Unknown HwDep %s", name);
+ return err;
+ }
+ err = snd_hwdep_open_conf(hwdep, name, root, hwdep_conf, mode);
+ snd_config_delete(hwdep_conf);
+ return err;
+}
+
+/**
+ * \brief Opens a new connection to the HwDep interface.
+ * \param hwdep Returned handle (NULL if not wanted)
+ * \param name ASCII identifier of the HwDep handle
+ * \param mode Open mode
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the HwDep interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode)
+{
+ int err;
+ assert(hwdep && name);
+ err = snd_config_update();
+ if (err < 0)
+ return err;
+ return snd_hwdep_open_noupdate(hwdep, snd_config, name, mode);
+}
+
+/**
+ * \brief Opens a new connection to the HwDep interface using local configuration
+ * \param hwdep Returned handle (NULL if not wanted)
+ * \param name ASCII identifier of the HwDep handle
+ * \param mode Open mode
+ * \param lconf The local configuration tree
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the HwDep interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_hwdep_open_lconf(snd_hwdep_t **hwdep, const char *name,
+ int mode, snd_config_t *lconf)
+{
+ assert(hwdep && name && lconf);
+ return snd_hwdep_open_noupdate(hwdep, lconf, name, mode);
+}
+
+/**
+ * \brief close HwDep handle
+ * \param hwdep HwDep handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the specified HwDep handle and frees all associated
+ * resources.
+ */
+int snd_hwdep_close(snd_hwdep_t *hwdep)
+{
+ int err;
+ assert(hwdep);
+ err = hwdep->ops->close(hwdep);
+ if (hwdep->dl_handle)
+ snd_dlclose(hwdep->dl_handle);
+ free(hwdep->name);
+ free(hwdep);
+ return err;
+}
+
+/**
+ * \brief get identifier of HwDep handle
+ * \param hwdep a Hwdep handle
+ * \return ascii identifier of HwDep handle
+ *
+ * Returns the ASCII identifier of given HwDep handle. It's the same
+ * identifier specified in snd_hwdep_open().
+ */
+const char *snd_hwdep_name(snd_hwdep_t *hwdep)
+{
+ assert(hwdep);
+ return hwdep->name;
+}
+
+/**
+ * \brief get type of HwDep handle
+ * \param hwdep a HwDep handle
+ * \return type of HwDep handle
+ *
+ * Returns the type #snd_hwdep_type_t of given HwDep handle.
+ */
+snd_hwdep_type_t snd_hwdep_type(snd_hwdep_t *hwdep)
+{
+ assert(hwdep);
+ return hwdep->type;
+}
+
+/**
+ * \brief get count of poll descriptors for HwDep handle
+ * \param hwdep HwDep handle
+ * \return count of poll descriptors
+ */
+int snd_hwdep_poll_descriptors_count(snd_hwdep_t *hwdep)
+{
+ assert(hwdep);
+ return 1;
+}
+
+/**
+ * \brief get poll descriptors
+ * \param hwdep HwDep handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \return count of filled descriptors
+ */
+int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space)
+{
+ assert(hwdep);
+ if (space >= 1) {
+ pfds->fd = hwdep->poll_fd;
+ switch (hwdep->mode & O_ACCMODE) {
+ case O_WRONLY:
+ pfds->events = POLLOUT|POLLERR|POLLNVAL;
+ break;
+ case O_RDONLY:
+ pfds->events = POLLIN|POLLERR|POLLNVAL;
+ break;
+ case O_RDWR:
+ pfds->events = POLLOUT|POLLIN|POLLERR|POLLNVAL;
+ break;
+ default:
+ return -EIO;
+ }
+ return 1;
+ }
+ return 0;
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param hwdep HwDep handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents returned events
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_hwdep_poll_descriptors_revents(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ assert(hwdep && pfds && revents);
+ if (nfds == 1) {
+ *revents = pfds->revents;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief set nonblock mode
+ * \param hwdep HwDep handle
+ * \param nonblock 0 = block, 1 = nonblock mode
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock)
+{
+ int err;
+ assert(hwdep);
+ if ((err = hwdep->ops->nonblock(hwdep, nonblock)) < 0)
+ return err;
+ if (nonblock)
+ hwdep->mode |= SND_HWDEP_OPEN_NONBLOCK;
+ else
+ hwdep->mode &= ~SND_HWDEP_OPEN_NONBLOCK;
+ return 0;
+}
+
+/**
+ * \brief get size of the snd_hwdep_info_t structure in bytes
+ * \return size of the snd_hwdep_info_t structure in bytes
+ */
+size_t snd_hwdep_info_sizeof()
+{
+ return sizeof(snd_hwdep_info_t);
+}
+
+/**
+ * \brief allocate a new snd_hwdep_info_t structure
+ * \param info returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_hwdep_info_t structure using the standard
+ * malloc C library function.
+ */
+int snd_hwdep_info_malloc(snd_hwdep_info_t **info)
+{
+ assert(info);
+ *info = calloc(1, sizeof(snd_hwdep_info_t));
+ if (!*info)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_hwdep_info_t structure
+ * \param info pointer to the snd_hwdep_info_t structure to free
+ *
+ * Frees the given snd_hwdep_info_t structure using the standard
+ * free C library function.
+ */
+void snd_hwdep_info_free(snd_hwdep_info_t *info)
+{
+ assert(info);
+ free(info);
+}
+
+/**
+ * \brief copy one snd_hwdep_info_t structure to another
+ * \param dst destination snd_hwdep_info_t structure
+ * \param src source snd_hwdep_info_t structure
+ */
+void snd_hwdep_info_copy(snd_hwdep_info_t *dst, const snd_hwdep_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief get hwdep card number
+ * \param obj pointer to a snd_hwdep_info_t structure
+ * \return hwdep card number
+ */
+int snd_hwdep_info_get_card(const snd_hwdep_info_t *obj)
+{
+ assert(obj);
+ return obj->card;
+}
+
+/**
+ * \brief get hwdep device number
+ * \param info pointer to a snd_hwdep_info_t structure
+ * \return hwdep device number
+ */
+unsigned int snd_hwdep_info_get_device(const snd_hwdep_info_t *info)
+{
+ assert(info);
+ return info->device;
+}
+
+/**
+ * \brief get hwdep driver identifier
+ * \param obj pointer to a snd_hwdep_info_t structure
+ * \return hwdep driver identifier
+ */
+const char *snd_hwdep_info_get_id(const snd_hwdep_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->id;
+}
+
+/**
+ * \brief get hwdep driver name
+ * \param obj pointer to a snd_hwdep_info_t structure
+ * \return hwdep driver name
+ */
+const char *snd_hwdep_info_get_name(const snd_hwdep_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->name;
+}
+
+/**
+ * \brief get hwdep protocol interface
+ * \param obj pointer to a snd_hwdep_info_t structure
+ * \return hwdep protocol interface
+ */
+snd_hwdep_iface_t snd_hwdep_info_get_iface(const snd_hwdep_info_t *obj)
+{
+ assert(obj);
+ return obj->iface;
+}
+
+/**
+ * \brief set hwdep device number
+ * \param obj pointer to a snd_hwdep_info_t structure
+ * \param val hwdep device
+ */
+void snd_hwdep_info_set_device(snd_hwdep_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->device = val;
+}
+
+/**
+ * \brief get information about HwDep handle
+ * \param hwdep HwDep handle
+ * \param info pointer to a snd_hwdep_info_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info)
+{
+ assert(hwdep);
+ assert(info);
+ return hwdep->ops->info(hwdep, info);
+}
+
+/**
+ * \brief do hardware dependent ioctl
+ * \param hwdep HwDep handle
+ * \param request ioctl command
+ * \param arg ioctl argument
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg)
+{
+ assert(hwdep);
+ return hwdep->ops->ioctl(hwdep, request, arg);
+}
+
+/**
+ * \brief write bytes using HwDep handle
+ * \param hwdep HwDep handle
+ * \param buffer buffer containing bytes to write
+ * \param size output buffer size in bytes
+ */
+ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size)
+{
+ assert(hwdep);
+ assert(((hwdep->mode & O_ACCMODE) == O_WRONLY) || ((hwdep->mode & O_ACCMODE) == O_RDWR));
+ assert(buffer || size == 0);
+ return hwdep->ops->write(hwdep, buffer, size);
+}
+
+/**
+ * \brief read bytes using HwDep handle
+ * \param hwdep HwDep handle
+ * \param buffer buffer to store the input bytes
+ * \param size input buffer size in bytes
+ */
+ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size)
+{
+ assert(hwdep);
+ assert(((hwdep->mode & O_ACCMODE) == O_RDONLY) || ((hwdep->mode & O_ACCMODE) == O_RDWR));
+ assert(buffer || size == 0);
+ return (hwdep->ops->read)(hwdep, buffer, size);
+}
+
+/**
+ * \brief get the DSP status information
+ * \param hwdep HwDep handle
+ * \param info pointer to a snd_hwdep_dsp_status_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hwdep_dsp_status(snd_hwdep_t *hwdep, snd_hwdep_dsp_status_t *info)
+{
+ assert(hwdep);
+ assert(info);
+ return hwdep->ops->ioctl(hwdep, SNDRV_HWDEP_IOCTL_DSP_STATUS, (void*)info);
+}
+
+/**
+ * \brief load the DSP block
+ * \param hwdep HwDep handle
+ * \param block pointer to a snd_hwdep_dsp_image_t structure to transfer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_hwdep_dsp_load(snd_hwdep_t *hwdep, snd_hwdep_dsp_image_t *block)
+{
+ assert(hwdep);
+ assert(block);
+ return hwdep->ops->ioctl(hwdep, SNDRV_HWDEP_IOCTL_DSP_LOAD, (void*)block);
+}
+
+/**
+ * \brief get size of the snd_hwdep_dsp_status_t structure in bytes
+ * \return size of the snd_hwdep_dsp_status_t structure in bytes
+ */
+size_t snd_hwdep_dsp_status_sizeof()
+{
+ return sizeof(snd_hwdep_dsp_status_t);
+}
+
+/**
+ * \brief allocate a new snd_hwdep_dsp_status_t structure
+ * \param info returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_hwdep_dsp_status_t structure using the standard
+ * malloc C library function.
+ */
+int snd_hwdep_dsp_status_malloc(snd_hwdep_dsp_status_t **info)
+{
+ assert(info);
+ *info = calloc(1, sizeof(snd_hwdep_dsp_status_t));
+ if (!*info)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_hwdep_dsp_status_t structure
+ * \param info pointer to the snd_hwdep_dsp_status_t structure to free
+ *
+ * Frees the given snd_hwdep_dsp_status_t structure using the standard
+ * free C library function.
+ */
+void snd_hwdep_dsp_status_free(snd_hwdep_dsp_status_t *info)
+{
+ assert(info);
+ free(info);
+}
+
+/**
+ * \brief copy one snd_hwdep_dsp_status_t structure to another
+ * \param dst destination snd_hwdep_dsp_status_t structure
+ * \param src source snd_hwdep_dsp_status_t structure
+ */
+void snd_hwdep_dsp_status_copy(snd_hwdep_dsp_status_t *dst, const snd_hwdep_dsp_status_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief get the driver version of dsp loader
+ * \param obj pointer to a snd_hwdep_dsp_status_t structure
+ * \return the driver version
+ */
+unsigned int snd_hwdep_dsp_status_get_version(const snd_hwdep_dsp_status_t *obj)
+{
+ assert(obj);
+ return obj->version;
+}
+
+/**
+ * \brief get the driver id of dsp loader
+ * \param obj pointer to a snd_hwdep_dsp_status_t structure
+ * \return the driver id string
+ */
+const char *snd_hwdep_dsp_status_get_id(const snd_hwdep_dsp_status_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->id;
+}
+
+/**
+ * \brief get number of dsp blocks
+ * \param obj pointer to a snd_hwdep_dsp_status_t structure
+ * \return number of dsp blocks
+ */
+unsigned int snd_hwdep_dsp_status_get_num_dsps(const snd_hwdep_dsp_status_t *obj)
+{
+ assert(obj);
+ return obj->num_dsps;
+}
+
+/**
+ * \brief get the bit flags of the loaded dsp blocks
+ * \param info pointer to a snd_hwdep_dsp_status_t structure
+ * \return the big flags of the loaded dsp blocks
+ */
+unsigned int snd_hwdep_dsp_status_get_dsp_loaded(const snd_hwdep_dsp_status_t *info)
+{
+ assert(info);
+ return info->dsp_loaded;
+}
+
+/**
+ * \brief get the chip status of dsp loader
+ * \param obj pointer to a snd_hwdep_dsp_status_t structure
+ * \return non-zero if all DSP blocks are loaded and the chip is ready
+ */
+unsigned int snd_hwdep_dsp_status_get_chip_ready(const snd_hwdep_dsp_status_t *obj)
+{
+ assert(obj);
+ return obj->chip_ready;
+}
+
+/**
+ * \brief get size of the snd_hwdep_dsp_image_t structure in bytes
+ * \return size of the snd_hwdep_dsp_image_t structure in bytes
+ */
+size_t snd_hwdep_dsp_image_sizeof()
+{
+ return sizeof(snd_hwdep_dsp_image_t);
+}
+
+/**
+ * \brief allocate a new snd_hwdep_dsp_image_t structure
+ * \param info returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_hwdep_dsp_image_t structure using the standard
+ * malloc C library function.
+ */
+int snd_hwdep_dsp_image_malloc(snd_hwdep_dsp_image_t **info)
+{
+ assert(info);
+ *info = calloc(1, sizeof(snd_hwdep_dsp_image_t));
+ if (!*info)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_hwdep_dsp_image_t structure
+ * \param info pointer to the snd_hwdep_dsp_image_t structure to free
+ *
+ * Frees the given snd_hwdep_dsp_image_t structure using the standard
+ * free C library function.
+ */
+void snd_hwdep_dsp_image_free(snd_hwdep_dsp_image_t *info)
+{
+ assert(info);
+ free(info);
+}
+
+/**
+ * \brief copy one snd_hwdep_dsp_image_t structure to another
+ * \param dst destination snd_hwdep_dsp_image_t structure
+ * \param src source snd_hwdep_dsp_image_t structure
+ */
+void snd_hwdep_dsp_image_copy(snd_hwdep_dsp_image_t *dst, const snd_hwdep_dsp_image_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief get the DSP block index
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \return the index of the DSP block
+ */
+unsigned int snd_hwdep_dsp_image_get_index(const snd_hwdep_dsp_image_t *obj)
+{
+ assert(obj);
+ return obj->index;
+}
+
+/**
+ * \brief get the name of the DSP block
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \return the name string of the DSP block
+ */
+const char *snd_hwdep_dsp_image_get_name(const snd_hwdep_dsp_image_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->name;
+}
+
+/**
+ * \brief get the length of the DSP block
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \return the length of the DSP block in bytes
+ */
+size_t snd_hwdep_dsp_image_get_length(const snd_hwdep_dsp_image_t *obj)
+{
+ assert(obj);
+ return obj->length;
+}
+
+/**
+ * \brief get the image pointer of the DSP block
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \return the image pointer of the DSP block
+ */
+const void *snd_hwdep_dsp_image_get_image(const snd_hwdep_dsp_image_t *obj)
+{
+ assert(obj);
+ return obj->image;
+}
+
+/**
+ * \brief set the DSP block index
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \param index the index value to set
+ */
+void snd_hwdep_dsp_image_set_index(snd_hwdep_dsp_image_t *obj, unsigned int index)
+{
+ assert(obj);
+ obj->index = index;
+}
+
+/**
+ * \brief set the name of the DSP block
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \param name the name string
+ */
+void snd_hwdep_dsp_image_set_name(snd_hwdep_dsp_image_t *obj, const char *name)
+{
+ assert(obj && name);
+ strncpy((char *)obj->name, name, sizeof(obj->name));
+ obj->name[sizeof(obj->name)-1] = 0;
+}
+
+/**
+ * \brief set the DSP block length
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \param length the length of the DSP block
+ */
+void snd_hwdep_dsp_image_set_length(snd_hwdep_dsp_image_t *obj, size_t length)
+{
+ assert(obj);
+ obj->length = length;
+}
+
+/**
+ * \brief set the DSP block image pointer
+ * \param obj pointer to a snd_hwdep_dsp_image_t structure
+ * \param image the DSP image pointer
+ */
+void snd_hwdep_dsp_image_set_image(snd_hwdep_dsp_image_t *obj, void *image)
+{
+ assert(obj);
+ obj->image = image;
+}
+
diff --git a/src/hwdep/hwdep_hw.c b/src/hwdep/hwdep_hw.c
new file mode 100644
index 0000000..4314e32
--- /dev/null
+++ b/src/hwdep/hwdep_hw.c
@@ -0,0 +1,190 @@
+/*
+ * Hardware dependent Interface - main file for hardware access
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "hwdep_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_hwdep_hw = "";
+#endif
+
+#define SNDRV_FILE_HWDEP ALSA_DEVICE_DIRECTORY "hwC%iD%i"
+#define SNDRV_HWDEP_VERSION_MAX SNDRV_PROTOCOL_VERSION(1, 0, 1)
+
+static int snd_hwdep_hw_close(snd_hwdep_t *hwdep)
+{
+ int res;
+ assert(hwdep);
+ res = close(hwdep->poll_fd) < 0 ? -errno : 0;
+ return res;
+}
+
+static int snd_hwdep_hw_nonblock(snd_hwdep_t *hwdep, int nonblock)
+{
+ long flags;
+ assert(hwdep);
+ if ((flags = fcntl(hwdep->poll_fd, F_GETFL)) < 0)
+ return -errno;
+ if (nonblock)
+ flags |= O_NONBLOCK;
+ else
+ flags &= ~O_NONBLOCK;
+ if (fcntl(hwdep->poll_fd, F_SETFL, flags) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_hwdep_hw_info(snd_hwdep_t *hwdep, snd_hwdep_info_t *info)
+{
+ assert(hwdep && info);
+ if (ioctl(hwdep->poll_fd, SNDRV_HWDEP_IOCTL_INFO, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_hwdep_hw_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg)
+{
+ assert(hwdep);
+ if (ioctl(hwdep->poll_fd, request, arg) < 0)
+ return -errno;
+ return 0;
+}
+
+static ssize_t snd_hwdep_hw_write(snd_hwdep_t *hwdep, const void *buffer, size_t size)
+{
+ ssize_t result;
+ assert(hwdep && (buffer || size == 0));
+ result = write(hwdep->poll_fd, buffer, size);
+ if (result < 0)
+ return -errno;
+ return result;
+}
+
+static ssize_t snd_hwdep_hw_read(snd_hwdep_t *hwdep, void *buffer, size_t size)
+{
+ ssize_t result;
+ assert(hwdep && (buffer || size == 0));
+ result = read(hwdep->poll_fd, buffer, size);
+ if (result < 0)
+ return -errno;
+ return result;
+}
+
+static const snd_hwdep_ops_t snd_hwdep_hw_ops = {
+ .close = snd_hwdep_hw_close,
+ .nonblock = snd_hwdep_hw_nonblock,
+ .info = snd_hwdep_hw_info,
+ .ioctl = snd_hwdep_hw_ioctl,
+ .write = snd_hwdep_hw_write,
+ .read = snd_hwdep_hw_read,
+};
+
+int snd_hwdep_hw_open(snd_hwdep_t **handle, const char *name, int card, int device, int mode)
+{
+ int fd, ver, ret;
+ char filename[sizeof(SNDRV_FILE_HWDEP) + 20];
+ snd_hwdep_t *hwdep;
+ assert(handle);
+
+ *handle = NULL;
+
+ if (card < 0 || card >= SND_MAX_CARDS)
+ return -EINVAL;
+ sprintf(filename, SNDRV_FILE_HWDEP, card, device);
+ fd = snd_open_device(filename, mode);
+ if (fd < 0) {
+ snd_card_load(card);
+ fd = snd_open_device(filename, mode);
+ if (fd < 0)
+ return -errno;
+ }
+ if (ioctl(fd, SNDRV_HWDEP_IOCTL_PVERSION, &ver) < 0) {
+ ret = -errno;
+ close(fd);
+ return ret;
+ }
+ if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_HWDEP_VERSION_MAX)) {
+ close(fd);
+ return -SND_ERROR_INCOMPATIBLE_VERSION;
+ }
+ hwdep = (snd_hwdep_t *) calloc(1, sizeof(snd_hwdep_t));
+ if (hwdep == NULL) {
+ close(fd);
+ return -ENOMEM;
+ }
+ hwdep->name = strdup(name);
+ hwdep->poll_fd = fd;
+ hwdep->mode = mode;
+ hwdep->type = SND_HWDEP_TYPE_HW;
+ hwdep->ops = &snd_hwdep_hw_ops;
+ *handle = hwdep;
+ return 0;
+}
+
+int _snd_hwdep_hw_open(snd_hwdep_t **hwdep, char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *conf, int mode)
+{
+ snd_config_iterator_t i, next;
+ long card = -1, device = 0;
+ const char *str;
+ int err;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "card") == 0) {
+ err = snd_config_get_integer(n, &card);
+ if (err < 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0)
+ return -EINVAL;
+ card = snd_card_get_index(str);
+ if (card < 0)
+ return card;
+ }
+ continue;
+ }
+ if (strcmp(id, "device") == 0) {
+ err = snd_config_get_integer(n, &device);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ SNDERR("Unexpected field %s", id);
+ return -EINVAL;
+ }
+ if (card < 0)
+ return -EINVAL;
+ return snd_hwdep_hw_open(hwdep, name, card, device, mode);
+}
+SND_DLSYM_BUILD_VERSION(_snd_hwdep_hw_open, SND_HWDEP_DLSYM_VERSION);
diff --git a/src/hwdep/hwdep_local.h b/src/hwdep/hwdep_local.h
new file mode 100644
index 0000000..47467f9
--- /dev/null
+++ b/src/hwdep/hwdep_local.h
@@ -0,0 +1,46 @@
+/*
+ * HwDep interface - local header file
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "local.h"
+
+typedef struct {
+ int (*close)(snd_hwdep_t *hwdep);
+ int (*nonblock)(snd_hwdep_t *hwdep, int nonblock);
+ int (*info)(snd_hwdep_t *hwdep, snd_hwdep_info_t *info);
+ int (*ioctl)(snd_hwdep_t *hwdep, unsigned int request, void * arg);
+ ssize_t (*write)(snd_hwdep_t *hwdep, const void *buffer, size_t size);
+ ssize_t (*read)(snd_hwdep_t *hwdep, void *buffer, size_t size);
+} snd_hwdep_ops_t;
+
+struct _snd_hwdep {
+ void *dl_handle;
+ char *name;
+ snd_hwdep_type_t type;
+ int mode;
+ int poll_fd;
+ const snd_hwdep_ops_t *ops;
+ void *private_data;
+};
+
+int snd_hwdep_hw_open(snd_hwdep_t **handle, const char *name, int card, int device, int mode);
diff --git a/src/hwdep/hwdep_symbols.c b/src/hwdep/hwdep_symbols.c
new file mode 100644
index 0000000..aaa5667
--- /dev/null
+++ b/src/hwdep/hwdep_symbols.c
@@ -0,0 +1,34 @@
+/*
+ * HwDep Symbols
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef PIC
+
+extern const char *_snd_module_hwdep_hw;
+
+static const char **snd_hwdep_open_objects[] = {
+ &_snd_module_hwdep_hw
+};
+
+void *snd_hwdep_open_symbols(void)
+{
+ return snd_hwdep_open_objects;
+}
+
+#endif
diff --git a/src/input.c b/src/input.c
new file mode 100644
index 0000000..7cfbe56
--- /dev/null
+++ b/src/input.c
@@ -0,0 +1,337 @@
+/**
+ * \file input.c
+ * \brief Generic stdio-like input interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000
+ *
+ * Generic stdio-like input interface
+ */
+/*
+ * Input object
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+
+typedef struct _snd_input_ops {
+ int (*close)(snd_input_t *input);
+ int (*scan)(snd_input_t *input, const char *format, va_list args);
+ char *(*(gets))(snd_input_t *input, char *str, size_t size);
+ int (*getch)(snd_input_t *input);
+ int (*ungetch)(snd_input_t *input, int c);
+} snd_input_ops_t;
+
+struct _snd_input {
+ snd_input_type_t type;
+ const snd_input_ops_t *ops;
+ void *private_data;
+};
+#endif
+
+/**
+ * \brief Closes an input handle.
+ * \param input The input handle to be closed.
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_input_close(snd_input_t *input)
+{
+ int err = input->ops->close(input);
+ free(input);
+ return err;
+}
+
+/**
+ * \brief Reads formatted input (like \c fscanf(3)) from an input handle.
+ * \param input The input handle.
+ * \param format Format string in \c fscanf format.
+ * \param ... Other \c fscanf arguments.
+ * \return The number of input items assigned, or \c EOF.
+ *
+ * \bug Reading from a memory buffer doesn't work.
+ */
+int snd_input_scanf(snd_input_t *input, const char *format, ...)
+{
+ int result;
+ va_list args;
+ va_start(args, format);
+ result = input->ops->scan(input, format, args);
+ va_end(args);
+ return result;
+}
+
+/**
+ * \brief Reads a line from an input handle (like \c fgets(3)).
+ * \param input The input handle.
+ * \param str Address of the destination buffer.
+ * \param size The size of the destination buffer.
+ * \return Pointer to the buffer if successful, otherwise \c NULL.
+ *
+ * Like \c fgets, the returned string is zero-terminated, and contains
+ * the new-line character \c '\\n' if the line fits into the buffer.
+ */
+char *snd_input_gets(snd_input_t *input, char *str, size_t size)
+{
+ return (input->ops->gets)(input, str, size);
+}
+
+/**
+ * \brief Reads a character from an input handle (like \c fgetc(3)).
+ * \param input The input handle.
+ * \return The character read, or \c EOF on end of file or error.
+ */
+int snd_input_getc(snd_input_t *input)
+{
+ return input->ops->getch(input);
+}
+
+/**
+ * \brief Puts the last character read back to an input handle (like \c ungetc(3)).
+ * \param input The input handle.
+ * \param c The character to push back.
+ * \return The character pushed back, or \c EOF on error.
+ */
+int snd_input_ungetc(snd_input_t *input, int c)
+{
+ return input->ops->ungetch(input, c);
+}
+
+#ifndef DOC_HIDDEN
+typedef struct _snd_input_stdio {
+ int close;
+ FILE *fp;
+} snd_input_stdio_t;
+
+static int snd_input_stdio_close(snd_input_t *input ATTRIBUTE_UNUSED)
+{
+ snd_input_stdio_t *stdio = input->private_data;
+ if (stdio->close)
+ fclose(stdio->fp);
+ free(stdio);
+ return 0;
+}
+
+static int snd_input_stdio_scan(snd_input_t *input, const char *format, va_list args)
+{
+ snd_input_stdio_t *stdio = input->private_data;
+ extern int vfscanf(FILE *, const char *, va_list);
+ return vfscanf(stdio->fp, format, args);
+}
+
+static char *snd_input_stdio_gets(snd_input_t *input, char *str, size_t size)
+{
+ snd_input_stdio_t *stdio = input->private_data;
+ return fgets(str, (int) size, stdio->fp);
+}
+
+static int snd_input_stdio_getc(snd_input_t *input)
+{
+ snd_input_stdio_t *stdio = input->private_data;
+ return getc(stdio->fp);
+}
+
+static int snd_input_stdio_ungetc(snd_input_t *input, int c)
+{
+ snd_input_stdio_t *stdio = input->private_data;
+ return ungetc(c, stdio->fp);
+}
+
+static const snd_input_ops_t snd_input_stdio_ops = {
+ .close = snd_input_stdio_close,
+ .scan = snd_input_stdio_scan,
+ .gets = snd_input_stdio_gets,
+ .getch = snd_input_stdio_getc,
+ .ungetch = snd_input_stdio_ungetc,
+};
+#endif
+
+/**
+ * \brief Creates a new input object using an existing stdio \c FILE pointer.
+ * \param inputp The function puts the pointer to the new input object
+ * at the address specified by \p inputp.
+ * \param fp The \c FILE pointer to read from.
+ * Reading begins at the current file position.
+ * \param _close Close flag. Set this to 1 if #snd_input_close should close
+ * \p fp by calling \c fclose.
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_input_stdio_attach(snd_input_t **inputp, FILE *fp, int _close)
+{
+ snd_input_t *input;
+ snd_input_stdio_t *stdio;
+ assert(inputp && fp);
+ stdio = calloc(1, sizeof(*stdio));
+ if (!stdio)
+ return -ENOMEM;
+ input = calloc(1, sizeof(*input));
+ if (!input) {
+ free(stdio);
+ return -ENOMEM;
+ }
+ stdio->fp = fp;
+ stdio->close = _close;
+ input->type = SND_INPUT_STDIO;
+ input->ops = &snd_input_stdio_ops;
+ input->private_data = stdio;
+ *inputp = input;
+ return 0;
+}
+
+/**
+ * \brief Creates a new input object reading from a file.
+ * \param inputp The functions puts the pointer to the new input object
+ * at the address specified by \p inputp.
+ * \param file The name of the file to read from.
+ * \param mode The open mode, like \c fopen(3).
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_input_stdio_open(snd_input_t **inputp, const char *file, const char *mode)
+{
+ int err;
+ FILE *fp = fopen(file, mode);
+ if (!fp) {
+ //SYSERR("fopen");
+ return -errno;
+ }
+ err = snd_input_stdio_attach(inputp, fp, 1);
+ if (err < 0)
+ fclose(fp);
+ return err;
+}
+
+#ifndef DOC_HIDDEN
+
+typedef struct _snd_input_buffer {
+ unsigned char *buf;
+ unsigned char *ptr;
+ size_t size;
+} snd_input_buffer_t;
+
+static int snd_input_buffer_close(snd_input_t *input)
+{
+ snd_input_buffer_t *buffer = input->private_data;
+ free(buffer->buf);
+ free(buffer);
+ return 0;
+}
+
+static int snd_input_buffer_scan(snd_input_t *input, const char *format, va_list args)
+{
+ snd_input_buffer_t *buffer = input->private_data;
+ extern int vsscanf(const char *, const char *, va_list);
+ /* FIXME: how can I obtain consumed chars count? */
+ assert(0);
+ return vsscanf((char *)buffer->ptr, format, args);
+}
+
+static char *snd_input_buffer_gets(snd_input_t *input, char *str, size_t size)
+{
+ snd_input_buffer_t *buffer = input->private_data;
+ size_t bsize = buffer->size;
+ while (--size > 0 && bsize > 0) {
+ unsigned char c = *buffer->ptr++;
+ bsize--;
+ *str++ = c;
+ if (c == '\n')
+ break;
+ }
+ if (bsize == buffer->size)
+ return NULL;
+ buffer->size = bsize;
+ *str = '\0';
+ return str;
+}
+
+static int snd_input_buffer_getc(snd_input_t *input)
+{
+ snd_input_buffer_t *buffer = input->private_data;
+ if (buffer->size == 0)
+ return EOF;
+ buffer->size--;
+ return *buffer->ptr++;
+}
+
+static int snd_input_buffer_ungetc(snd_input_t *input, int c)
+{
+ snd_input_buffer_t *buffer = input->private_data;
+ if (buffer->ptr == buffer->buf)
+ return EOF;
+ buffer->ptr--;
+ assert(*buffer->ptr == (unsigned char) c);
+ buffer->size++;
+ return c;
+}
+
+static const snd_input_ops_t snd_input_buffer_ops = {
+ .close = snd_input_buffer_close,
+ .scan = snd_input_buffer_scan,
+ .gets = snd_input_buffer_gets,
+ .getch = snd_input_buffer_getc,
+ .ungetch = snd_input_buffer_ungetc,
+};
+#endif
+
+/**
+ * \brief Creates a new input object from a memory buffer.
+ * \param inputp The function puts the pointer to the new input object
+ * at the address specified by \p inputp.
+ * \param buf Address of the input buffer.
+ * \param size Size of the input buffer.
+ * \return Zero if successful, otherwise a negative error code.
+ *
+ * This functions creates a copy of the input buffer, so the application is
+ * not required to preserve the buffer after this function has been called.
+ */
+int snd_input_buffer_open(snd_input_t **inputp, const char *buf, ssize_t size)
+{
+ snd_input_t *input;
+ snd_input_buffer_t *buffer;
+ assert(inputp);
+ buffer = calloc(1, sizeof(*buffer));
+ if (!buffer)
+ return -ENOMEM;
+ input = calloc(1, sizeof(*input));
+ if (!input) {
+ free(buffer);
+ return -ENOMEM;
+ }
+ if (size < 0)
+ size = strlen(buf);
+ buffer->buf = malloc((size_t)size + 1);
+ if (!buffer->buf) {
+ free(input);
+ free(buffer);
+ return -ENOMEM;
+ }
+ memcpy(buffer->buf, buf, (size_t) size);
+ buffer->buf[size] = 0;
+ buffer->ptr = buffer->buf;
+ buffer->size = size;
+ input->type = SND_INPUT_BUFFER;
+ input->ops = &snd_input_buffer_ops;
+ input->private_data = buffer;
+ *inputp = input;
+ return 0;
+}
+
diff --git a/src/mixer/Android.mk b/src/mixer/Android.mk
new file mode 100644
index 0000000..46e5365
--- /dev/null
+++ b/src/mixer/Android.mk
@@ -0,0 +1,13 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ bag.c \
+ mixer.c \
+ simple_abst.c \
+ simple.c \
+ simple_none.c
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../include
+LOCAL_MODULE := libmixer
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/mixer/Makefile.am b/src/mixer/Makefile.am
new file mode 100644
index 0000000..6eeff8a
--- /dev/null
+++ b/src/mixer/Makefile.am
@@ -0,0 +1,14 @@
+EXTRA_LTLIBRARIES=libmixer.la
+
+libmixer_la_SOURCES = bag.c mixer.c simple.c simple_none.c
+
+if BUILD_MODULES
+libmixer_la_SOURCES += simple_abst.c
+endif
+
+noinst_HEADERS = mixer_local.h mixer_simple.h
+
+all: libmixer.la
+
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/mixer/Makefile.in b/src/mixer/Makefile.in
new file mode 100644
index 0000000..d7a6905
--- /dev/null
+++ b/src/mixer/Makefile.in
@@ -0,0 +1,551 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
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+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ set x; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
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+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
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+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
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+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
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+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
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+install: install-am
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+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
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+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
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+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool cscopelist ctags distclean distclean-compile \
+ distclean-generic distclean-libtool distclean-tags distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
+ install-exec install-exec-am install-html install-html-am \
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+ install-pdf-am install-ps install-ps-am install-strip \
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+ tags uninstall uninstall-am
+
+
+all: libmixer.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/mixer/bag.c b/src/mixer/bag.c
new file mode 100644
index 0000000..d88a900
--- /dev/null
+++ b/src/mixer/bag.c
@@ -0,0 +1,73 @@
+/*
+ * Bag of pointers
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "mixer_local.h"
+
+int bag_new(bag_t **bag)
+{
+ bag_t *b = malloc(sizeof(*b));
+ if (!b)
+ return -ENOMEM;
+ INIT_LIST_HEAD(b);
+ *bag = b;
+ return 0;
+}
+
+void bag_free(bag_t *bag)
+{
+ assert(list_empty(bag));
+ free(bag);
+}
+
+int bag_empty(bag_t *bag)
+{
+ return list_empty(bag);
+}
+
+int bag_add(bag_t *bag, void *ptr)
+{
+ bag1_t *b = malloc(sizeof(*b));
+ if (!b)
+ return -ENOMEM;
+ b->ptr = ptr;
+ list_add_tail(&b->list, bag);
+ return 0;
+}
+
+int bag_del(bag_t *bag, void *ptr)
+{
+ struct list_head *pos;
+ list_for_each(pos, bag) {
+ bag1_t *b = list_entry(pos, bag1_t, list);
+ if (b->ptr == ptr) {
+ list_del(&b->list);
+ free(b);
+ return 0;
+ }
+ }
+ return -ENOENT;
+}
+
+void bag_del_all(bag_t *bag)
+{
+ while (!list_empty(bag))
+ list_del(bag->next);
+}
diff --git a/src/mixer/mixer.c b/src/mixer/mixer.c
new file mode 100644
index 0000000..3a79c8e
--- /dev/null
+++ b/src/mixer/mixer.c
@@ -0,0 +1,1085 @@
+/**
+ * \file mixer/mixer.c
+ * \brief Mixer Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2001
+ *
+ * Mixer interface is designed to access mixer elements.
+ * Callbacks may be used for event handling.
+ */
+/*
+ * Mixer Interface - main file
+ * Copyright (c) 1998/1999/2000 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page mixer Mixer interface
+
+<P>Mixer interface is designed to access the abstracted mixer controls.
+This is an abstraction layer over the hcontrol layer.
+
+\section mixer_general_overview General overview
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "mixer_local.h"
+
+#ifndef DOC_HIDDEN
+typedef struct _snd_mixer_slave {
+ snd_hctl_t *hctl;
+ struct list_head list;
+} snd_mixer_slave_t;
+
+#endif
+
+static int snd_mixer_compare_default(const snd_mixer_elem_t *c1,
+ const snd_mixer_elem_t *c2);
+
+
+/**
+ * \brief Opens an empty mixer
+ * \param mixerp Returned mixer handle
+ * \param mode Open mode
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_open(snd_mixer_t **mixerp, int mode ATTRIBUTE_UNUSED)
+{
+ snd_mixer_t *mixer;
+ assert(mixerp);
+ mixer = calloc(1, sizeof(*mixer));
+ if (mixer == NULL)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&mixer->slaves);
+ INIT_LIST_HEAD(&mixer->classes);
+ INIT_LIST_HEAD(&mixer->elems);
+ mixer->compare = snd_mixer_compare_default;
+ *mixerp = mixer;
+ return 0;
+}
+
+/**
+ * \brief Attach an HCTL element to a mixer element
+ * \param melem Mixer element
+ * \param helem HCTL element
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_attach(snd_mixer_elem_t *melem,
+ snd_hctl_elem_t *helem)
+{
+ bag_t *bag = snd_hctl_elem_get_callback_private(helem);
+ int err;
+ err = bag_add(bag, melem);
+ if (err < 0)
+ return err;
+ return bag_add(&melem->helems, helem);
+}
+
+/**
+ * \brief Detach an HCTL element from a mixer element
+ * \param melem Mixer element
+ * \param helem HCTL element
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_detach(snd_mixer_elem_t *melem,
+ snd_hctl_elem_t *helem)
+{
+ bag_t *bag = snd_hctl_elem_get_callback_private(helem);
+ int err;
+ err = bag_del(bag, melem);
+ assert(err >= 0);
+ err = bag_del(&melem->helems, helem);
+ assert(err >= 0);
+ return 0;
+}
+
+/**
+ * \brief Return true if a mixer element does not contain any HCTL elements
+ * \param melem Mixer element
+ * \return 0 if not empty, 1 if empty
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_empty(snd_mixer_elem_t *melem)
+{
+ return bag_empty(&melem->helems);
+}
+
+static int hctl_elem_event_handler(snd_hctl_elem_t *helem,
+ unsigned int mask)
+{
+ bag_t *bag = snd_hctl_elem_get_callback_private(helem);
+ if (mask == SND_CTL_EVENT_MASK_REMOVE) {
+ int res = 0;
+ int err;
+ bag_iterator_t i, n;
+ bag_for_each_safe(i, n, bag) {
+ snd_mixer_elem_t *melem = bag_iterator_entry(i);
+ snd_mixer_class_t *class = melem->class;
+ err = class->event(class, mask, helem, melem);
+ if (err < 0)
+ res = err;
+ }
+ assert(bag_empty(bag));
+ bag_free(bag);
+ return res;
+ }
+ if (mask & (SND_CTL_EVENT_MASK_VALUE | SND_CTL_EVENT_MASK_INFO)) {
+ int err = 0;
+ bag_iterator_t i, n;
+ bag_for_each_safe(i, n, bag) {
+ snd_mixer_elem_t *melem = bag_iterator_entry(i);
+ snd_mixer_class_t *class = melem->class;
+ err = class->event(class, mask, helem, melem);
+ if (err < 0)
+ return err;
+ }
+ }
+ return 0;
+}
+
+static int hctl_event_handler(snd_hctl_t *hctl, unsigned int mask,
+ snd_hctl_elem_t *elem)
+{
+ snd_mixer_t *mixer = snd_hctl_get_callback_private(hctl);
+ int res = 0;
+ if (mask & SND_CTL_EVENT_MASK_ADD) {
+ struct list_head *pos;
+ bag_t *bag;
+ int err = bag_new(&bag);
+ if (err < 0)
+ return err;
+ snd_hctl_elem_set_callback(elem, hctl_elem_event_handler);
+ snd_hctl_elem_set_callback_private(elem, bag);
+ list_for_each(pos, &mixer->classes) {
+ snd_mixer_class_t *c;
+ c = list_entry(pos, snd_mixer_class_t, list);
+ err = c->event(c, mask, elem, NULL);
+ if (err < 0)
+ res = err;
+ }
+ }
+ return res;
+}
+
+
+/**
+ * \brief Attach an HCTL specified with the CTL device name to an opened mixer
+ * \param mixer Mixer handle
+ * \param name HCTL name (see #snd_hctl_open)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_attach(snd_mixer_t *mixer, const char *name)
+{
+ snd_hctl_t *hctl;
+ int err;
+
+ err = snd_hctl_open(&hctl, name, 0);
+ if (err < 0)
+ return err;
+ err = snd_mixer_attach_hctl(mixer, hctl);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+/**
+ * \brief Attach an HCTL to an opened mixer
+ * \param mixer Mixer handle
+ * \param hctl the HCTL to be attached
+ * \return 0 on success otherwise a negative error code
+ *
+ * Upon error, this function closes the given hctl handle automatically.
+ */
+int snd_mixer_attach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl)
+{
+ snd_mixer_slave_t *slave;
+ int err;
+
+ assert(hctl);
+ slave = calloc(1, sizeof(*slave));
+ if (slave == NULL) {
+ snd_hctl_close(hctl);
+ return -ENOMEM;
+ }
+ err = snd_hctl_nonblock(hctl, 1);
+ if (err < 0) {
+ snd_hctl_close(hctl);
+ free(slave);
+ return err;
+ }
+ snd_hctl_set_callback(hctl, hctl_event_handler);
+ snd_hctl_set_callback_private(hctl, mixer);
+ slave->hctl = hctl;
+ list_add_tail(&slave->list, &mixer->slaves);
+ return 0;
+}
+
+/**
+ * \brief Detach a previously attached HCTL to an opened mixer freeing all related resources
+ * \param mixer Mixer handle
+ * \param name HCTL previously attached
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_detach(snd_mixer_t *mixer, const char *name)
+{
+ struct list_head *pos;
+ list_for_each(pos, &mixer->slaves) {
+ snd_mixer_slave_t *s;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ if (strcmp(name, snd_hctl_name(s->hctl)) == 0) {
+ snd_hctl_close(s->hctl);
+ list_del(pos);
+ free(s);
+ return 0;
+ }
+ }
+ return -ENOENT;
+}
+
+/**
+ * \brief Detach a previously attached HCTL to an opened mixer freeing all related resources
+ * \param mixer Mixer handle
+ * \param hctl HCTL previously attached
+ * \return 0 on success otherwise a negative error code
+ *
+ * Note: The hctl handle is not closed!
+ */
+int snd_mixer_detach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl)
+{
+ struct list_head *pos;
+ list_for_each(pos, &mixer->slaves) {
+ snd_mixer_slave_t *s;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ if (hctl == s->hctl) {
+ list_del(pos);
+ free(s);
+ return 0;
+ }
+ }
+ return -ENOENT;
+}
+
+/**
+ * \brief Obtain a HCTL pointer associated to given name
+ * \param mixer Mixer handle
+ * \param name HCTL previously attached
+ * \param hctl HCTL pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_get_hctl(snd_mixer_t *mixer, const char *name, snd_hctl_t **hctl)
+{
+ struct list_head *pos;
+ list_for_each(pos, &mixer->slaves) {
+ snd_mixer_slave_t *s;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ if (strcmp(name, snd_hctl_name(s->hctl)) == 0) {
+ *hctl = s->hctl;
+ return 0;
+ }
+ }
+ return -ENOENT;
+}
+
+static int snd_mixer_throw_event(snd_mixer_t *mixer, unsigned int mask,
+ snd_mixer_elem_t *elem)
+{
+ mixer->events++;
+ if (mixer->callback)
+ return mixer->callback(mixer, mask, elem);
+ return 0;
+}
+
+static int snd_mixer_elem_throw_event(snd_mixer_elem_t *elem, unsigned int mask)
+{
+ elem->class->mixer->events++;
+ if (elem->callback)
+ return elem->callback(elem, mask);
+ return 0;
+}
+
+static int _snd_mixer_find_elem(snd_mixer_t *mixer, snd_mixer_elem_t *elem, int *dir)
+{
+ unsigned int l, u;
+ int c = 0;
+ int idx = -1;
+ assert(mixer && elem);
+ assert(mixer->compare);
+ l = 0;
+ u = mixer->count;
+ while (l < u) {
+ idx = (l + u) / 2;
+ c = mixer->compare(elem, mixer->pelems[idx]);
+ if (c < 0)
+ u = idx;
+ else if (c > 0)
+ l = idx + 1;
+ else
+ break;
+ }
+ *dir = c;
+ return idx;
+}
+
+/**
+ * \brief Get private data associated to give mixer element
+ * \param elem Mixer element
+ * \return private data
+ *
+ * For use by mixer element class specific code.
+ */
+void *snd_mixer_elem_get_private(const snd_mixer_elem_t *elem)
+{
+ return elem->private_data;
+}
+
+/**
+ * \brief Allocate a new mixer element
+ * \param elem Returned mixer element
+ * \param type Mixer element type
+ * \param compare_weight Mixer element compare weight
+ * \param private_data Private data
+ * \param private_free Private data free callback
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_new(snd_mixer_elem_t **elem,
+ snd_mixer_elem_type_t type,
+ int compare_weight,
+ void *private_data,
+ void (*private_free)(snd_mixer_elem_t *elem))
+{
+ snd_mixer_elem_t *melem = calloc(1, sizeof(*melem));
+ if (melem == NULL)
+ return -ENOMEM;
+ melem->type = type;
+ melem->compare_weight = compare_weight;
+ melem->private_data = private_data;
+ melem->private_free = private_free;
+ INIT_LIST_HEAD(&melem->helems);
+ *elem = melem;
+ return 0;
+}
+
+/**
+ * \brief Add an element for a registered mixer element class
+ * \param elem Mixer element
+ * \param class Mixer element class
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_add(snd_mixer_elem_t *elem, snd_mixer_class_t *class)
+{
+ int dir, idx;
+ snd_mixer_t *mixer = class->mixer;
+ elem->class = class;
+
+ if (mixer->count == mixer->alloc) {
+ snd_mixer_elem_t **m;
+ mixer->alloc += 32;
+ m = realloc(mixer->pelems, sizeof(*m) * mixer->alloc);
+ if (!m) {
+ mixer->alloc -= 32;
+ return -ENOMEM;
+ }
+ mixer->pelems = m;
+ }
+ if (mixer->count == 0) {
+ list_add_tail(&elem->list, &mixer->elems);
+ mixer->pelems[0] = elem;
+ } else {
+ idx = _snd_mixer_find_elem(mixer, elem, &dir);
+ assert(dir != 0);
+ if (dir > 0) {
+ list_add(&elem->list, &mixer->pelems[idx]->list);
+ idx++;
+ } else {
+ list_add_tail(&elem->list, &mixer->pelems[idx]->list);
+ }
+ memmove(mixer->pelems + idx + 1,
+ mixer->pelems + idx,
+ (mixer->count - idx) * sizeof(snd_mixer_elem_t *));
+ mixer->pelems[idx] = elem;
+ }
+ mixer->count++;
+ return snd_mixer_throw_event(mixer, SND_CTL_EVENT_MASK_ADD, elem);
+}
+
+/**
+ * \brief Remove a mixer element
+ * \param elem Mixer element
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_remove(snd_mixer_elem_t *elem)
+{
+ snd_mixer_t *mixer = elem->class->mixer;
+ bag_iterator_t i, n;
+ int err, idx, dir;
+ unsigned int m;
+ assert(elem);
+ assert(mixer->count);
+ idx = _snd_mixer_find_elem(mixer, elem, &dir);
+ if (dir != 0)
+ return -EINVAL;
+ bag_for_each_safe(i, n, &elem->helems) {
+ snd_hctl_elem_t *helem = bag_iterator_entry(i);
+ snd_mixer_elem_detach(elem, helem);
+ }
+ err = snd_mixer_elem_throw_event(elem, SND_CTL_EVENT_MASK_REMOVE);
+ list_del(&elem->list);
+ snd_mixer_elem_free(elem);
+ mixer->count--;
+ m = mixer->count - idx;
+ if (m > 0)
+ memmove(mixer->pelems + idx,
+ mixer->pelems + idx + 1,
+ m * sizeof(snd_mixer_elem_t *));
+ return err;
+}
+
+/**
+ * \brief Free a mixer element
+ * \param elem Mixer element
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+void snd_mixer_elem_free(snd_mixer_elem_t *elem)
+{
+ if (elem->private_free)
+ elem->private_free(elem);
+ free(elem);
+}
+
+/**
+ * \brief Mixer element informations are changed
+ * \param elem Mixer element
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_info(snd_mixer_elem_t *elem)
+{
+ return snd_mixer_elem_throw_event(elem, SND_CTL_EVENT_MASK_INFO);
+}
+
+/**
+ * \brief Mixer element values is changed
+ * \param elem Mixer element
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_elem_value(snd_mixer_elem_t *elem)
+{
+ return snd_mixer_elem_throw_event(elem, SND_CTL_EVENT_MASK_VALUE);
+}
+
+/**
+ * \brief Register mixer element class
+ * \param class Mixer element class
+ * \param mixer Mixer handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * For use by mixer element class specific code.
+ */
+int snd_mixer_class_register(snd_mixer_class_t *class, snd_mixer_t *mixer)
+{
+ struct list_head *pos;
+ class->mixer = mixer;
+ list_add_tail(&class->list, &mixer->classes);
+ if (!class->event)
+ return 0;
+ list_for_each(pos, &mixer->slaves) {
+ int err;
+ snd_mixer_slave_t *slave;
+ snd_hctl_elem_t *elem;
+ slave = list_entry(pos, snd_mixer_slave_t, list);
+ elem = snd_hctl_first_elem(slave->hctl);
+ while (elem) {
+ err = class->event(class, SND_CTL_EVENT_MASK_ADD, elem, NULL);
+ if (err < 0)
+ return err;
+ elem = snd_hctl_elem_next(elem);
+ }
+ }
+ return 0;
+}
+
+/**
+ * \brief Unregister mixer element class and remove all its elements
+ * \param class Mixer element class
+ * \return 0 on success otherwise a negative error code
+ *
+ * Note that the class structure is also deallocated!
+ */
+int snd_mixer_class_unregister(snd_mixer_class_t *class)
+{
+ unsigned int k;
+ snd_mixer_elem_t *e;
+ snd_mixer_t *mixer = class->mixer;
+ for (k = mixer->count; k > 0; k--) {
+ e = mixer->pelems[k-1];
+ if (e->class == class)
+ snd_mixer_elem_remove(e);
+ }
+ if (class->private_free)
+ class->private_free(class);
+ list_del(&class->list);
+ free(class);
+ return 0;
+}
+
+/**
+ * \brief Load a mixer elements
+ * \param mixer Mixer handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_load(snd_mixer_t *mixer)
+{
+ struct list_head *pos;
+ list_for_each(pos, &mixer->slaves) {
+ int err;
+ snd_mixer_slave_t *s;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ err = snd_hctl_load(s->hctl);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/**
+ * \brief Unload all mixer elements and free all related resources
+ * \param mixer Mixer handle
+ */
+void snd_mixer_free(snd_mixer_t *mixer)
+{
+ struct list_head *pos;
+ list_for_each(pos, &mixer->slaves) {
+ snd_mixer_slave_t *s;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ snd_hctl_free(s->hctl);
+ }
+}
+
+/**
+ * \brief Close a mixer and free all related resources
+ * \param mixer Mixer handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_close(snd_mixer_t *mixer)
+{
+ int res = 0;
+ assert(mixer);
+ while (!list_empty(&mixer->classes)) {
+ snd_mixer_class_t *c;
+ c = list_entry(mixer->classes.next, snd_mixer_class_t, list);
+ snd_mixer_class_unregister(c);
+ }
+ assert(list_empty(&mixer->elems));
+ assert(mixer->count == 0);
+ free(mixer->pelems);
+ mixer->pelems = NULL;
+ while (!list_empty(&mixer->slaves)) {
+ int err;
+ snd_mixer_slave_t *s;
+ s = list_entry(mixer->slaves.next, snd_mixer_slave_t, list);
+ err = snd_hctl_close(s->hctl);
+ if (err < 0)
+ res = err;
+ list_del(&s->list);
+ free(s);
+ }
+ free(mixer);
+ return res;
+}
+
+static int snd_mixer_compare_default(const snd_mixer_elem_t *c1,
+ const snd_mixer_elem_t *c2)
+{
+ int d = c1->compare_weight - c2->compare_weight;
+ if (d)
+ return d;
+ assert(c1->class && c1->class->compare);
+ assert(c2->class && c2->class->compare);
+ assert(c1->class == c2->class);
+ return c1->class->compare(c1, c2);
+}
+
+static int mixer_compare(const void *a, const void *b)
+{
+ snd_mixer_t *mixer;
+
+ mixer = (*((const snd_mixer_elem_t * const *)a))->class->mixer;
+ return mixer->compare(*(const snd_mixer_elem_t * const *)a, *(const snd_mixer_elem_t * const *)b);
+}
+
+static int snd_mixer_sort(snd_mixer_t *mixer)
+{
+ unsigned int k;
+ assert(mixer);
+ assert(mixer->compare);
+ INIT_LIST_HEAD(&mixer->elems);
+ qsort(mixer->pelems, mixer->count, sizeof(snd_mixer_elem_t *), mixer_compare);
+ for (k = 0; k < mixer->count; k++)
+ list_add_tail(&mixer->pelems[k]->list, &mixer->elems);
+ return 0;
+}
+
+/**
+ * \brief Change mixer compare function and reorder elements
+ * \param mixer Mixer handle
+ * \param compare Element compare function
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_set_compare(snd_mixer_t *mixer, snd_mixer_compare_t compare)
+{
+ snd_mixer_compare_t compare_old;
+ int err;
+
+ assert(mixer);
+ compare_old = mixer->compare;
+ mixer->compare = compare == NULL ? snd_mixer_compare_default : compare;
+ if ((err = snd_mixer_sort(mixer)) < 0) {
+ mixer->compare = compare_old;
+ return err;
+ }
+ return 0;
+}
+
+/**
+ * \brief get count of poll descriptors for mixer handle
+ * \param mixer Mixer handle
+ * \return count of poll descriptors
+ */
+int snd_mixer_poll_descriptors_count(snd_mixer_t *mixer)
+{
+ struct list_head *pos;
+ unsigned int c = 0;
+ assert(mixer);
+ list_for_each(pos, &mixer->slaves) {
+ snd_mixer_slave_t *s;
+ int n;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ n = snd_hctl_poll_descriptors_count(s->hctl);
+ if (n < 0)
+ return n;
+ c += n;
+ }
+ return c;
+}
+
+/**
+ * \brief get poll descriptors
+ * \param mixer Mixer handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \return count of filled descriptors
+ */
+int snd_mixer_poll_descriptors(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int space)
+{
+ struct list_head *pos;
+ unsigned int count = 0;
+ assert(mixer);
+ list_for_each(pos, &mixer->slaves) {
+ snd_mixer_slave_t *s;
+ int n;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ n = snd_hctl_poll_descriptors(s->hctl, pfds, space);
+ if (n < 0)
+ return n;
+ if (space >= (unsigned int) n) {
+ count += n;
+ space -= n;
+ pfds += n;
+ } else
+ space = 0;
+ }
+ return count;
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param mixer Mixer handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents returned events
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_mixer_poll_descriptors_revents(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ unsigned int idx;
+ unsigned short res;
+ assert(mixer && pfds && revents);
+ if (nfds == 0)
+ return -EINVAL;
+ res = 0;
+ for (idx = 0; idx < nfds; idx++, pfds++)
+ res |= pfds->revents & (POLLIN|POLLERR|POLLNVAL);
+ *revents = res;
+ return 0;
+}
+
+/**
+ * \brief Wait for a mixer to become ready (i.e. at least one event pending)
+ * \param mixer Mixer handle
+ * \param timeout maximum time in milliseconds to wait
+ * \return 0 otherwise a negative error code on failure
+ */
+int snd_mixer_wait(snd_mixer_t *mixer, int timeout)
+{
+ struct pollfd spfds[16];
+ struct pollfd *pfds = spfds;
+ int err;
+ int count;
+ count = snd_mixer_poll_descriptors(mixer, pfds, sizeof(spfds) / sizeof(spfds[0]));
+ if (count < 0)
+ return count;
+ if ((unsigned int) count > sizeof(spfds) / sizeof(spfds[0])) {
+ pfds = malloc(count * sizeof(*pfds));
+ if (!pfds)
+ return -ENOMEM;
+ err = snd_mixer_poll_descriptors(mixer, pfds,
+ (unsigned int) count);
+ assert(err == count);
+ }
+ err = poll(pfds, (unsigned int) count, timeout);
+ if (err < 0)
+ return -errno;
+ return 0;
+}
+
+/**
+ * \brief get first element for a mixer
+ * \param mixer Mixer handle
+ * \return pointer to first element
+ */
+snd_mixer_elem_t *snd_mixer_first_elem(snd_mixer_t *mixer)
+{
+ assert(mixer);
+ if (list_empty(&mixer->elems))
+ return NULL;
+ return list_entry(mixer->elems.next, snd_mixer_elem_t, list);
+}
+
+/**
+ * \brief get last element for a mixer
+ * \param mixer Mixer handle
+ * \return pointer to last element
+ */
+snd_mixer_elem_t *snd_mixer_last_elem(snd_mixer_t *mixer)
+{
+ assert(mixer);
+ if (list_empty(&mixer->elems))
+ return NULL;
+ return list_entry(mixer->elems.prev, snd_mixer_elem_t, list);
+}
+
+/**
+ * \brief get next mixer element
+ * \param elem mixer element
+ * \return pointer to next element
+ */
+snd_mixer_elem_t *snd_mixer_elem_next(snd_mixer_elem_t *elem)
+{
+ assert(elem);
+ if (elem->list.next == &elem->class->mixer->elems)
+ return NULL;
+ return list_entry(elem->list.next, snd_mixer_elem_t, list);
+}
+
+/**
+ * \brief get previous mixer element
+ * \param elem mixer element
+ * \return pointer to previous element
+ */
+snd_mixer_elem_t *snd_mixer_elem_prev(snd_mixer_elem_t *elem)
+{
+ assert(elem);
+ if (elem->list.prev == &elem->class->mixer->elems)
+ return NULL;
+ return list_entry(elem->list.prev, snd_mixer_elem_t, list);
+}
+
+/**
+ * \brief Handle pending mixer events invoking callbacks
+ * \param mixer Mixer handle
+ * \return Number of events that occured on success, otherwise a negative error code on failure
+ */
+int snd_mixer_handle_events(snd_mixer_t *mixer)
+{
+ struct list_head *pos;
+ assert(mixer);
+ mixer->events = 0;
+ list_for_each(pos, &mixer->slaves) {
+ int err;
+ snd_mixer_slave_t *s;
+ s = list_entry(pos, snd_mixer_slave_t, list);
+ err = snd_hctl_handle_events(s->hctl);
+ if (err < 0)
+ return err;
+ }
+ return mixer->events;
+}
+
+/**
+ * \brief Set callback function for a mixer
+ * \param obj mixer handle
+ * \param val callback function
+ */
+void snd_mixer_set_callback(snd_mixer_t *obj, snd_mixer_callback_t val)
+{
+ assert(obj);
+ obj->callback = val;
+}
+
+/**
+ * \brief Set callback private value for a mixer
+ * \param mixer mixer handle
+ * \param val callback private value
+ */
+void snd_mixer_set_callback_private(snd_mixer_t *mixer, void * val)
+{
+ assert(mixer);
+ mixer->callback_private = val;
+}
+
+/**
+ * \brief Get callback private value for a mixer
+ * \param mixer mixer handle
+ * \return callback private value
+ */
+void * snd_mixer_get_callback_private(const snd_mixer_t *mixer)
+{
+ assert(mixer);
+ return mixer->callback_private;
+}
+
+/**
+ * \brief Get elements count for a mixer
+ * \param mixer mixer handle
+ * \return elements count
+ */
+unsigned int snd_mixer_get_count(const snd_mixer_t *mixer)
+{
+ assert(mixer);
+ return mixer->count;
+}
+
+/**
+ * \brief Set callback function for a mixer element
+ * \param mixer mixer element
+ * \param val callback function
+ */
+void snd_mixer_elem_set_callback(snd_mixer_elem_t *mixer, snd_mixer_elem_callback_t val)
+{
+ assert(mixer);
+ mixer->callback = val;
+}
+
+/**
+ * \brief Set callback private value for a mixer element
+ * \param mixer mixer element
+ * \param val callback private value
+ */
+void snd_mixer_elem_set_callback_private(snd_mixer_elem_t *mixer, void * val)
+{
+ assert(mixer);
+ mixer->callback_private = val;
+}
+
+/**
+ * \brief Get callback private value for a mixer element
+ * \param mixer mixer element
+ * \return callback private value
+ */
+void * snd_mixer_elem_get_callback_private(const snd_mixer_elem_t *mixer)
+{
+ assert(mixer);
+ return mixer->callback_private;
+}
+
+/**
+ * \brief Get type for a mixer element
+ * \param mixer mixer element
+ * \return mixer element type
+ */
+snd_mixer_elem_type_t snd_mixer_elem_get_type(const snd_mixer_elem_t *mixer)
+{
+ assert(mixer);
+ return mixer->type;
+}
+
+
+/**
+ * \brief get size of #snd_mixer_class_t
+ * \return size in bytes
+ */
+size_t snd_mixer_class_sizeof()
+{
+ return sizeof(snd_mixer_class_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_mixer_class_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_mixer_class_malloc(snd_mixer_class_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_mixer_class_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_mixer_class_t
+ * \param obj pointer to object to free
+ */
+void snd_mixer_class_free(snd_mixer_class_t *obj)
+{
+ if (obj->private_free)
+ obj->private_free(obj);
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_mixer_class_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_mixer_class_copy(snd_mixer_class_t *dst, const snd_mixer_class_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get a mixer associated to given mixer class
+ * \param obj Mixer simple class identifier
+ * \return mixer pointer
+ */
+snd_mixer_t *snd_mixer_class_get_mixer(const snd_mixer_class_t *obj)
+{
+ assert(obj);
+ return obj->mixer;
+}
+
+/**
+ * \brief Get mixer event callback associated to given mixer class
+ * \param obj Mixer simple class identifier
+ * \return event callback pointer
+ */
+snd_mixer_event_t snd_mixer_class_get_event(const snd_mixer_class_t *obj)
+{
+ assert(obj);
+ return obj->event;
+}
+
+/**
+ * \brief Get mixer private data associated to given mixer class
+ * \param obj Mixer simple class identifier
+ * \return event callback pointer
+ */
+void *snd_mixer_class_get_private(const snd_mixer_class_t *obj)
+{
+ assert(obj);
+ return obj->private_data;
+}
+
+
+/**
+ * \brief Get mixer compare callback associated to given mixer class
+ * \param obj Mixer simple class identifier
+ * \return event callback pointer
+ */
+snd_mixer_compare_t snd_mixer_class_get_compare(const snd_mixer_class_t *obj)
+{
+ assert(obj);
+ return obj->compare;
+}
+
+/**
+ * \brief Set mixer event callback to given mixer class
+ * \param obj Mixer simple class identifier
+ * \param event Event callback
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_mixer_class_set_event(snd_mixer_class_t *obj, snd_mixer_event_t event)
+{
+ assert(obj);
+ obj->event = event;
+ return 0;
+}
+
+/**
+ * \brief Set mixer private data to given mixer class
+ * \param obj Mixer simple class identifier
+ * \param private_data class private data
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_mixer_class_set_private(snd_mixer_class_t *obj, void *private_data)
+{
+ assert(obj);
+ obj->private_data = private_data;
+ return 0;
+}
+
+/**
+ * \brief Set mixer private data free callback to given mixer class
+ * \param obj Mixer simple class identifier
+ * \param private_free Mixer class private data free callback
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_mixer_class_set_private_free(snd_mixer_class_t *obj, void (*private_free)(snd_mixer_class_t *))
+{
+ assert(obj);
+ obj->private_free = private_free;
+ return 0;
+}
+
+/**
+ * \brief Set mixer compare callback to given mixer class
+ * \param obj Mixer simple class identifier
+ * \param compare the compare callback to be used
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_mixer_class_set_compare(snd_mixer_class_t *obj, snd_mixer_compare_t compare)
+{
+ assert(obj);
+ obj->compare = compare;
+ return 0;
+}
diff --git a/src/mixer/mixer_local.h b/src/mixer/mixer_local.h
new file mode 100644
index 0000000..27b4a3b
--- /dev/null
+++ b/src/mixer/mixer_local.h
@@ -0,0 +1,82 @@
+/*
+ * Mixer Interface - local header file
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "local.h"
+
+typedef struct _bag1 {
+ void *ptr;
+ struct list_head list;
+} bag1_t;
+
+typedef struct list_head bag_t;
+
+int bag_new(bag_t **bag);
+void bag_free(bag_t *bag);
+int bag_add(bag_t *bag, void *ptr);
+int bag_del(bag_t *bag, void *ptr);
+int bag_empty(bag_t *bag);
+void bag_del_all(bag_t *bag);
+
+typedef struct list_head *bag_iterator_t;
+
+#define bag_iterator_entry(i) (list_entry((i), bag1_t, list)->ptr)
+#define bag_for_each(pos, bag) list_for_each(pos, bag)
+#define bag_for_each_safe(pos, next, bag) list_for_each_safe(pos, next, bag)
+
+struct _snd_mixer_class {
+ struct list_head list;
+ snd_mixer_t *mixer;
+ snd_mixer_event_t event;
+ void *private_data;
+ void (*private_free)(snd_mixer_class_t *class);
+ snd_mixer_compare_t compare;
+};
+
+struct _snd_mixer_elem {
+ snd_mixer_elem_type_t type;
+ struct list_head list; /* links for list of all elems */
+ snd_mixer_class_t *class;
+ void *private_data;
+ void (*private_free)(snd_mixer_elem_t *elem);
+ snd_mixer_elem_callback_t callback;
+ void *callback_private;
+ bag_t helems;
+ int compare_weight; /* compare weight (reversed) */
+};
+
+struct _snd_mixer {
+ struct list_head slaves; /* list of all slaves */
+ struct list_head classes; /* list of all elem classes */
+ struct list_head elems; /* list of all elems */
+ snd_mixer_elem_t **pelems; /* array of all elems */
+ unsigned int count;
+ unsigned int alloc;
+ unsigned int events;
+ snd_mixer_callback_t callback;
+ void *callback_private;
+ snd_mixer_compare_t compare;
+};
+
+struct _snd_mixer_selem_id {
+ char name[60];
+ unsigned int index;
+};
diff --git a/src/mixer/mixer_simple.h b/src/mixer/mixer_simple.h
new file mode 100644
index 0000000..f6117da
--- /dev/null
+++ b/src/mixer/mixer_simple.h
@@ -0,0 +1,41 @@
+/*
+ * Mixer Simple Interface - local header file
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "mixer_abst.h"
+
+/* make local functions really local */
+#define snd_mixer_simple_none_register \
+ snd1_mixer_simple_none_register
+#define snd_mixer_simple_basic_register \
+ snd1_mixer_simple_basic_register
+
+int snd_mixer_simple_none_register(snd_mixer_t *mixer, struct snd_mixer_selem_regopt *options, snd_mixer_class_t **classp);
+
+#ifdef HAVE_LIBDL
+int snd_mixer_simple_basic_register(snd_mixer_t *mixer, struct snd_mixer_selem_regopt *options, snd_mixer_class_t **classp);
+#else
+static inline int snd_mixer_simple_basic_register(snd_mixer_t *mixer ATTRIBUTE_UNUSED,
+ struct snd_mixer_selem_regopt *options ATTRIBUTE_UNUSED,
+ snd_mixer_class_t **classp ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+#endif
diff --git a/src/mixer/simple.c b/src/mixer/simple.c
new file mode 100644
index 0000000..fd9ba93
--- /dev/null
+++ b/src/mixer/simple.c
@@ -0,0 +1,1054 @@
+/**
+ * \file mixer/simple.c
+ * \brief Mixer Simple Element Class Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2001-2004
+ *
+ * Mixer simple element class interface.
+ */
+/*
+ * Mixer Interface - simple controls
+ * Copyright (c) 2000,2004 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <math.h>
+#include "config.h"
+#include "mixer_local.h"
+#include "mixer_simple.h"
+
+/**
+ * \brief Register mixer simple element class
+ * \param mixer Mixer handle
+ * \param options Options container
+ * \param classp Pointer to returned mixer simple element class handle (or NULL)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_register(snd_mixer_t *mixer,
+ struct snd_mixer_selem_regopt *options,
+ snd_mixer_class_t **classp)
+{
+ if (options && options->ver == 1) {
+ if (options->device != NULL &&
+ (options->playback_pcm != NULL ||
+ options->capture_pcm != NULL))
+ return -EINVAL;
+ if (options->device == NULL &&
+ options->playback_pcm == NULL &&
+ options->capture_pcm == NULL)
+ return -EINVAL;
+ }
+ if (options == NULL ||
+ (options->ver == 1 && options->abstract == SND_MIXER_SABSTRACT_NONE)) {
+ int err = snd_mixer_simple_none_register(mixer, options, classp);
+ if (err < 0)
+ return err;
+ if (options != NULL) {
+ err = snd_mixer_attach(mixer, options->device);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+ } else if (options->ver == 1) {
+ if (options->abstract == SND_MIXER_SABSTRACT_BASIC)
+ return snd_mixer_simple_basic_register(mixer, options, classp);
+ }
+ return -ENXIO;
+}
+
+#ifndef DOC_HIDDEN
+
+#define CHECK_BASIC(xelem) \
+{ \
+ assert(xelem); \
+ assert((xelem)->type == SND_MIXER_ELEM_SIMPLE); \
+}
+
+#define CHECK_DIR(xelem, xwhat) \
+{ \
+ unsigned int xcaps = ((sm_selem_t *)(elem)->private_data)->caps; \
+ if (! (xcaps & (xwhat))) \
+ return -EINVAL; \
+}
+
+#define CHECK_DIR_CHN(xelem, xwhat, xjoin, xchannel) \
+{ \
+ unsigned int xcaps = ((sm_selem_t *)(elem)->private_data)->caps; \
+ if (! (xcaps & (xwhat))) \
+ return -EINVAL; \
+ if (xcaps & (xjoin)) \
+ xchannel = 0; \
+}
+
+#define CHECK_ENUM(xelem) \
+ if (!(((sm_selem_t *)(elem)->private_data)->caps & (SM_CAP_PENUM|SM_CAP_CENUM))) \
+ return -EINVAL;
+
+#define COND_CAPS(xelem, what) \
+ !!(((sm_selem_t *)(elem)->private_data)->caps & (what))
+
+#endif /* !DOC_HIDDEN */
+
+#ifndef DOC_HIDDEN
+int snd_mixer_selem_compare(const snd_mixer_elem_t *c1, const snd_mixer_elem_t *c2)
+{
+ sm_selem_t *s1 = c1->private_data;
+ sm_selem_t *s2 = c2->private_data;
+ int res = strcmp(s1->id->name, s2->id->name);
+ if (res)
+ return res;
+ return s1->id->index - s2->id->index;
+}
+#endif
+
+/**
+ * \brief Find a mixer simple element
+ * \param mixer Mixer handle
+ * \param id Mixer simple element identifier
+ * \return mixer simple element handle or NULL if not found
+ */
+snd_mixer_elem_t *snd_mixer_find_selem(snd_mixer_t *mixer,
+ const snd_mixer_selem_id_t *id)
+{
+ struct list_head *list;
+ snd_mixer_elem_t *e;
+ sm_selem_t *s;
+
+ list_for_each(list, &mixer->elems) {
+ e = list_entry(list, snd_mixer_elem_t, list);
+ if (e->type != SND_MIXER_ELEM_SIMPLE)
+ continue;
+ s = e->private_data;
+ if (!strcmp(s->id->name, id->name) && s->id->index == id->index)
+ return e;
+ }
+ return NULL;
+}
+
+/**
+ * \brief Get mixer simple element identifier
+ * \param elem Mixer simple element handle
+ * \param id returned mixer simple element identifier
+ */
+void snd_mixer_selem_get_id(snd_mixer_elem_t *elem,
+ snd_mixer_selem_id_t *id)
+{
+ sm_selem_t *s;
+ assert(id);
+ CHECK_BASIC(elem);
+ s = elem->private_data;
+ *id = *s->id;
+}
+
+/**
+ * \brief Get name part of mixer simple element identifier
+ * \param elem Mixer simple element handle
+ * \return name part of simple element identifier
+ */
+const char *snd_mixer_selem_get_name(snd_mixer_elem_t *elem)
+{
+ sm_selem_t *s;
+ CHECK_BASIC(elem);
+ s = elem->private_data;
+ return s->id->name;
+}
+
+/**
+ * \brief Get index part of mixer simple element identifier
+ * \param elem Mixer simple element handle
+ * \return index part of simple element identifier
+ */
+unsigned int snd_mixer_selem_get_index(snd_mixer_elem_t *elem)
+{
+ sm_selem_t *s;
+ CHECK_BASIC(elem);
+ s = elem->private_data;
+ return s->id->index;
+}
+
+/**
+ * \brief Return true if mixer simple element has only one volume control for both playback and capture
+ * \param elem Mixer simple element handle
+ * \return 0 separated control, 1 common control
+ */
+int snd_mixer_selem_has_common_volume(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_GVOLUME);
+}
+
+/**
+ * \brief Return true if mixer simple element has only one switch control for both playback and capture
+ * \param elem Mixer simple element handle
+ * \return 0 separated control, 1 common control
+ */
+int snd_mixer_selem_has_common_switch(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_GSWITCH);
+}
+
+/**
+ * \brief Return name of mixer simple element channel
+ * \param channel mixer simple element channel identifier
+ * \return channel name
+ */
+const char *snd_mixer_selem_channel_name(snd_mixer_selem_channel_id_t channel)
+{
+ static const char *const array[SND_MIXER_SCHN_LAST + 1] = {
+ [SND_MIXER_SCHN_FRONT_LEFT] = "Front Left",
+ [SND_MIXER_SCHN_FRONT_RIGHT] = "Front Right",
+ [SND_MIXER_SCHN_REAR_LEFT] = "Rear Left",
+ [SND_MIXER_SCHN_REAR_RIGHT] = "Rear Right",
+ [SND_MIXER_SCHN_FRONT_CENTER] = "Front Center",
+ [SND_MIXER_SCHN_WOOFER] = "Woofer",
+ [SND_MIXER_SCHN_SIDE_LEFT] = "Side Left",
+ [SND_MIXER_SCHN_SIDE_RIGHT] = "Side Right",
+ [SND_MIXER_SCHN_REAR_CENTER] = "Rear Center"
+ };
+ const char *p;
+ assert(channel <= SND_MIXER_SCHN_LAST);
+ p = array[channel];
+ if (!p)
+ return "?";
+ return p;
+}
+
+/**
+ * \brief Get info about the active state of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if not active, 1 if active
+ */
+int snd_mixer_selem_is_active(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return sm_selem_ops(elem)->is(elem, SM_PLAY, SM_OPS_IS_ACTIVE, 0);
+}
+
+/**
+ * \brief Get info about channels of playback stream of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if not mono, 1 if mono
+ */
+int snd_mixer_selem_is_playback_mono(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return sm_selem_ops(elem)->is(elem, SM_PLAY, SM_OPS_IS_MONO, 0);
+}
+
+/**
+ * \brief Get info about channels of playback stream of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel Mixer simple element channel identifier
+ * \return 0 if channel is not present, 1 if present
+ */
+int snd_mixer_selem_has_playback_channel(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel)
+{
+ CHECK_BASIC(elem);
+ return sm_selem_ops(elem)->is(elem, SM_PLAY, SM_OPS_IS_CHANNEL, (int)channel);
+}
+
+/**
+ * \brief Get range for playback volume of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param min Pointer to returned minimum
+ * \param max Pointer to returned maximum
+ */
+int snd_mixer_selem_get_playback_volume_range(snd_mixer_elem_t *elem,
+ long *min, long *max)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_PVOLUME);
+ return sm_selem_ops(elem)->get_range(elem, SM_PLAY, min, max);
+}
+
+/**
+ * \brief Get range in dB for playback volume of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param min Pointer to returned minimum (dB * 100)
+ * \param max Pointer to returned maximum (dB * 100)
+ */
+int snd_mixer_selem_get_playback_dB_range(snd_mixer_elem_t *elem,
+ long *min, long *max)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_PVOLUME);
+ return sm_selem_ops(elem)->get_dB_range(elem, SM_PLAY, min, max);
+}
+
+/**
+ * \brief Set range for playback volume of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param min minimum volume value
+ * \param max maximum volume value
+ */
+int snd_mixer_selem_set_playback_volume_range(snd_mixer_elem_t *elem,
+ long min, long max)
+{
+ CHECK_BASIC(elem);
+ assert(min < max);
+ CHECK_DIR(elem, SM_CAP_PVOLUME);
+ return sm_selem_ops(elem)->set_range(elem, SM_PLAY, min, max);
+}
+
+/**
+ * \brief Return info about playback volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if no control is present, 1 if it's present
+ */
+int snd_mixer_selem_has_playback_volume(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_PVOLUME);
+}
+
+/**
+ * \brief Return info about playback volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if control is separated per channel, 1 if control acts on all channels together
+ */
+int snd_mixer_selem_has_playback_volume_joined(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_PVOLUME_JOIN);
+}
+
+/**
+ * \brief Return info about playback switch control existence of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if no control is present, 1 if it's present
+ */
+int snd_mixer_selem_has_playback_switch(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_PSWITCH);
+}
+
+/**
+ * \brief Return info about playback switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if control is separated per channel, 1 if control acts on all channels together
+ */
+int snd_mixer_selem_has_playback_switch_joined(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_PSWITCH_JOIN);
+}
+
+/**
+ * \brief Return corresponding dB value to an integer playback volume for a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value value to be converted to dB range
+ * \param dBvalue pointer to returned dB value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_ask_playback_vol_dB(snd_mixer_elem_t *elem, long value, long *dBvalue)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_PVOLUME);
+ return sm_selem_ops(elem)->ask_vol_dB(elem, SM_PLAY, value, dBvalue);
+}
+
+/**
+ * \brief Return corresponding integer playback volume for given dB value for a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value value to be converted to dB range
+ * \param dir select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above)
+ * \param dBvalue pointer to returned dB value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_ask_playback_dB_vol(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_PVOLUME);
+ return sm_selem_ops(elem)->ask_dB_vol(elem, SM_PLAY, dBvalue, value, dir);
+}
+
+/**
+ * \brief Return value of playback volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value pointer to returned value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_get_playback_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_PVOLUME, SM_CAP_PVOLUME_JOIN, channel);
+ return sm_selem_ops(elem)->get_volume(elem, SM_PLAY, channel, value);
+}
+
+/**
+ * \brief Return value of playback volume in dB control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value pointer to returned value (dB * 100)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_get_playback_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)
+{
+ unsigned int caps;
+
+ CHECK_BASIC(elem);
+ caps = ((sm_selem_t *)elem->private_data)->caps;
+ if (!(caps & SM_CAP_PVOLUME))
+ return -EINVAL;
+ if (caps & SM_CAP_PVOLUME_JOIN)
+ channel = 0;
+ return sm_selem_ops(elem)->get_dB(elem, SM_PLAY, channel, value);
+}
+
+/**
+ * \brief Return value of playback switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value pointer to returned value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_get_playback_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_PSWITCH, SM_CAP_PSWITCH_JOIN, channel);
+ return sm_selem_ops(elem)->get_switch(elem, SM_PLAY, channel, value);
+}
+
+/**
+ * \brief Set value of playback volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_playback_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_PVOLUME, SM_CAP_PVOLUME_JOIN, channel);
+ return sm_selem_ops(elem)->set_volume(elem, SM_PLAY, channel, value);
+}
+
+/**
+ * \brief Set value in dB of playback volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value control value in dB * 100
+ * \param dir select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_playback_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_PVOLUME, SM_CAP_PVOLUME_JOIN, channel);
+ return sm_selem_ops(elem)->set_dB(elem, SM_PLAY, channel, value, dir);
+}
+
+/**
+ * \brief Set value of playback volume control for all channels of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_playback_volume_all(snd_mixer_elem_t *elem, long value)
+{
+ snd_mixer_selem_channel_id_t chn;
+ int err;
+
+ for (chn = 0; chn < 32; chn++) {
+ if (!snd_mixer_selem_has_playback_channel(elem, chn))
+ continue;
+ err = snd_mixer_selem_set_playback_volume(elem, chn, value);
+ if (err < 0)
+ return err;
+ if (chn == 0 && snd_mixer_selem_has_playback_volume_joined(elem))
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * \brief Set value in dB of playback volume control for all channels of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value control value in dB * 100
+ * \param dir select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_playback_dB_all(snd_mixer_elem_t *elem, long value, int dir)
+{
+ snd_mixer_selem_channel_id_t chn;
+ int err;
+
+ for (chn = 0; chn < 32; chn++) {
+ if (!snd_mixer_selem_has_playback_channel(elem, chn))
+ continue;
+ err = snd_mixer_selem_set_playback_dB(elem, chn, value, dir);
+ if (err < 0)
+ return err;
+ if (chn == 0 && snd_mixer_selem_has_playback_volume_joined(elem))
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * \brief Set value of playback switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_playback_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_PSWITCH, SM_CAP_PSWITCH_JOIN, channel);
+ return sm_selem_ops(elem)->set_switch(elem, SM_PLAY, channel, value);
+}
+
+/**
+ * \brief Set value of playback switch control for all channels of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_playback_switch_all(snd_mixer_elem_t *elem, int value)
+{
+ snd_mixer_selem_channel_id_t chn;
+ int err;
+
+ CHECK_BASIC(elem);
+ for (chn = 0; chn < 32; chn++) {
+ if (!snd_mixer_selem_has_playback_channel(elem, chn))
+ continue;
+ err = snd_mixer_selem_set_playback_switch(elem, chn, value);
+ if (err < 0)
+ return err;
+ if (chn == 0 && snd_mixer_selem_has_playback_switch_joined(elem))
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * \brief Get info about channels of capture stream of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if not mono, 1 if mono
+ */
+int snd_mixer_selem_is_capture_mono(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_CVOLUME|SM_CAP_CSWITCH);
+ return sm_selem_ops(elem)->is(elem, SM_CAPT, SM_OPS_IS_MONO, 0);
+}
+
+/**
+ * \brief Get info about channels of capture stream of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel Mixer simple element channel identifier
+ * \return 0 if channel is not present, 1 if present
+ */
+int snd_mixer_selem_has_capture_channel(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_CVOLUME|SM_CAP_CSWITCH);
+ return sm_selem_ops(elem)->is(elem, SM_CAPT, SM_OPS_IS_CHANNEL, channel);
+}
+
+/**
+ * \brief Get range for capture volume of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param min Pointer to returned minimum
+ * \param max Pointer to returned maximum
+ */
+int snd_mixer_selem_get_capture_volume_range(snd_mixer_elem_t *elem,
+ long *min, long *max)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_CVOLUME);
+ return sm_selem_ops(elem)->get_range(elem, SM_CAPT, min, max);
+}
+
+/**
+ * \brief Get range in dB for capture volume of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param min Pointer to returned minimum (dB * 100)
+ * \param max Pointer to returned maximum (dB * 100)
+ */
+int snd_mixer_selem_get_capture_dB_range(snd_mixer_elem_t *elem,
+ long *min, long *max)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_CVOLUME);
+ return sm_selem_ops(elem)->get_dB_range(elem, SM_CAPT, min, max);
+}
+
+/**
+ * \brief Set range for capture volume of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param min minimum volume value
+ * \param max maximum volume value
+ */
+int snd_mixer_selem_set_capture_volume_range(snd_mixer_elem_t *elem,
+ long min, long max)
+{
+ CHECK_BASIC(elem);
+ assert(min < max);
+ CHECK_DIR(elem, SM_CAP_CVOLUME);
+ return sm_selem_ops(elem)->set_range(elem, SM_CAPT, min, max);
+}
+
+/**
+ * \brief Return info about capture volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if no control is present, 1 if it's present
+ */
+int snd_mixer_selem_has_capture_volume(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_CVOLUME);
+}
+
+/**
+ * \brief Return info about capture volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if control is separated per channel, 1 if control acts on all channels together
+ */
+int snd_mixer_selem_has_capture_volume_joined(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_CVOLUME_JOIN);
+}
+
+/**
+ * \brief Return info about capture switch control existence of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if no control is present, 1 if it's present
+ */
+int snd_mixer_selem_has_capture_switch(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_CSWITCH);
+}
+
+/**
+ * \brief Return info about capture switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if control is separated per channel, 1 if control acts on all channels together
+ */
+int snd_mixer_selem_has_capture_switch_joined(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_CSWITCH_JOIN);
+}
+
+/**
+ * \brief Return info about capture switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return 0 if control is separated per element, 1 if control acts on other elements too (i.e. only one active at a time inside a group)
+ */
+int snd_mixer_selem_has_capture_switch_exclusive(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return COND_CAPS(elem, SM_CAP_CSWITCH_EXCL);
+}
+
+/**
+ * \brief Return info about capture switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \return group for switch exclusivity (see #snd_mixer_selem_has_capture_switch_exclusive)
+ */
+int snd_mixer_selem_get_capture_group(snd_mixer_elem_t *elem)
+{
+ sm_selem_t *s;
+ CHECK_BASIC(elem);
+ s = elem->private_data;
+ if (! (s->caps & SM_CAP_CSWITCH_EXCL))
+ return -EINVAL;
+ return s->capture_group;
+}
+
+/**
+ * \brief Return corresponding dB value to an integer capture volume for a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value value to be converted to dB range
+ * \param dBvalue pointer to returned dB value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_ask_capture_vol_dB(snd_mixer_elem_t *elem, long value, long *dBvalue)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_CVOLUME);
+ return sm_selem_ops(elem)->ask_vol_dB(elem, SM_CAPT, value, dBvalue);
+}
+
+/**
+ * \brief Return corresponding integer capture volume for given dB value for a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param dBvalue dB value to be converted to integer range
+ * \param value pointer to returned integer value
+ * \param dir select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_ask_capture_dB_vol(snd_mixer_elem_t *elem, long dBvalue, int dir, long *value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR(elem, SM_CAP_CVOLUME);
+ return sm_selem_ops(elem)->ask_dB_vol(elem, SM_CAPT, dBvalue, value, dir);
+}
+
+/**
+ * \brief Return value of capture volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value pointer to returned value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_get_capture_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_CVOLUME, SM_CAP_CVOLUME_JOIN, channel);
+ return sm_selem_ops(elem)->get_volume(elem, SM_CAPT, channel, value);
+}
+
+/**
+ * \brief Return value of capture volume in dB control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value pointer to returned value (dB * 100)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_get_capture_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_CVOLUME, SM_CAP_CVOLUME_JOIN, channel);
+ return sm_selem_ops(elem)->get_dB(elem, SM_CAPT, channel, value);
+}
+
+/**
+ * \brief Return value of capture switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value pointer to returned value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_get_capture_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int *value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_CSWITCH, SM_CAP_CSWITCH_JOIN, channel);
+ return sm_selem_ops(elem)->get_switch(elem, SM_CAPT, channel, value);
+}
+
+/**
+ * \brief Set value of capture volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_capture_volume(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_CVOLUME, SM_CAP_CVOLUME_JOIN, channel);
+ return sm_selem_ops(elem)->set_volume(elem, SM_CAPT, channel, value);
+}
+
+/**
+ * \brief Set value in dB of capture volume control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value control value in dB * 100
+ * \param dir select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_capture_dB(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long value, int dir)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_CVOLUME, SM_CAP_CVOLUME_JOIN, channel);
+ return sm_selem_ops(elem)->set_dB(elem, SM_CAPT, channel, value, dir);
+}
+
+/**
+ * \brief Set value of capture volume control for all channels of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_capture_volume_all(snd_mixer_elem_t *elem, long value)
+{
+ snd_mixer_selem_channel_id_t chn;
+ int err;
+
+ for (chn = 0; chn < 32; chn++) {
+ if (!snd_mixer_selem_has_capture_channel(elem, chn))
+ continue;
+ err = snd_mixer_selem_set_capture_volume(elem, chn, value);
+ if (err < 0)
+ return err;
+ if (chn == 0 && snd_mixer_selem_has_capture_volume_joined(elem))
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * \brief Set value in dB of capture volume control for all channels of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value control value in dB * 100
+ * \param dir select direction (-1 = accurate or first bellow, 0 = accurate, 1 = accurate or first above)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_capture_dB_all(snd_mixer_elem_t *elem, long value, int dir)
+{
+ snd_mixer_selem_channel_id_t chn;
+ int err;
+
+ for (chn = 0; chn < 32; chn++) {
+ if (!snd_mixer_selem_has_capture_channel(elem, chn))
+ continue;
+ err = snd_mixer_selem_set_capture_dB(elem, chn, value, dir);
+ if (err < 0)
+ return err;
+ if (chn == 0 && snd_mixer_selem_has_capture_volume_joined(elem))
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * \brief Set value of capture switch control of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_capture_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value)
+{
+ CHECK_BASIC(elem);
+ CHECK_DIR_CHN(elem, SM_CAP_CSWITCH, SM_CAP_CSWITCH_JOIN, channel);
+ return sm_selem_ops(elem)->set_switch(elem, SM_CAPT, channel, value);
+}
+
+/**
+ * \brief Set value of capture switch control for all channels of a mixer simple element
+ * \param elem Mixer simple element handle
+ * \param value control value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_selem_set_capture_switch_all(snd_mixer_elem_t *elem, int value)
+{
+ snd_mixer_selem_channel_id_t chn;
+ int err;
+
+ for (chn = 0; chn < 32; chn++) {
+ if (!snd_mixer_selem_has_capture_channel(elem, chn))
+ continue;
+ err = snd_mixer_selem_set_capture_switch(elem, chn, value);
+ if (err < 0)
+ return err;
+ if (chn == 0 && snd_mixer_selem_has_capture_switch_joined(elem))
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * \brief Return true if mixer simple element is an enumerated control
+ * \param elem Mixer simple element handle
+ * \return 0 normal volume/switch control, 1 enumerated control
+ */
+int snd_mixer_selem_is_enumerated(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return sm_selem_ops(elem)->is(elem, SM_PLAY, SM_OPS_IS_ENUMERATED, 0);
+}
+
+/**
+ * \brief Return true if mixer simple enumerated element belongs to the playback direction
+ * \param elem Mixer simple element handle
+ * \return 0 no playback direction, 1 playback direction
+ */
+int snd_mixer_selem_is_enum_playback(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return sm_selem_ops(elem)->is(elem, SM_PLAY, SM_OPS_IS_ENUMERATED, 1);
+}
+
+/**
+ * \brief Return true if mixer simple enumerated element belongs to the capture direction
+ * \param elem Mixer simple element handle
+ * \return 0 no capture direction, 1 capture direction
+ */
+int snd_mixer_selem_is_enum_capture(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ return sm_selem_ops(elem)->is(elem, SM_CAPT, SM_OPS_IS_ENUMERATED, 1);
+}
+
+/**
+ * \brief Return the number of enumerated items of the given mixer simple element
+ * \param elem Mixer simple element handle
+ * \return the number of enumerated items, otherwise a negative error code
+ */
+int snd_mixer_selem_get_enum_items(snd_mixer_elem_t *elem)
+{
+ CHECK_BASIC(elem);
+ CHECK_ENUM(elem);
+ return sm_selem_ops(elem)->is(elem, SM_PLAY, SM_OPS_IS_ENUMCNT, 0);
+}
+
+/**
+ * \brief get the enumerated item string for the given mixer simple element
+ * \param elem Mixer simple element handle
+ * \param item the index of the enumerated item to query
+ * \param maxlen the maximal length to be stored
+ * \param buf the buffer to store the name string
+ * \return 0 if successful, otherwise a negative error code
+ */
+int snd_mixer_selem_get_enum_item_name(snd_mixer_elem_t *elem,
+ unsigned int item,
+ size_t maxlen, char *buf)
+{
+ CHECK_BASIC(elem);
+ CHECK_ENUM(elem);
+ return sm_selem_ops(elem)->enum_item_name(elem, item, maxlen, buf);
+}
+
+/**
+ * \brief get the current selected enumerated item for the given mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param itemp the pointer to store the index of the enumerated item
+ * \return 0 if successful, otherwise a negative error code
+ */
+int snd_mixer_selem_get_enum_item(snd_mixer_elem_t *elem,
+ snd_mixer_selem_channel_id_t channel,
+ unsigned int *itemp)
+{
+ CHECK_BASIC(elem);
+ CHECK_ENUM(elem);
+ return sm_selem_ops(elem)->get_enum_item(elem, channel, itemp);
+}
+
+/**
+ * \brief set the current selected enumerated item for the given mixer simple element
+ * \param elem Mixer simple element handle
+ * \param channel mixer simple element channel identifier
+ * \param item the enumerated item index
+ * \return 0 if successful, otherwise a negative error code
+ */
+int snd_mixer_selem_set_enum_item(snd_mixer_elem_t *elem,
+ snd_mixer_selem_channel_id_t channel,
+ unsigned int item)
+{
+ CHECK_BASIC(elem);
+ CHECK_ENUM(elem);
+ return sm_selem_ops(elem)->set_enum_item(elem, channel, item);
+}
+
+/**
+ * \brief get size of #snd_mixer_selem_id_t
+ * \return size in bytes
+ */
+size_t snd_mixer_selem_id_sizeof()
+{
+ return sizeof(snd_mixer_selem_id_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_mixer_selem_id_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_mixer_selem_id_malloc(snd_mixer_selem_id_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_mixer_selem_id_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_mixer_selem_id_t
+ * \param obj pointer to object to free
+ */
+void snd_mixer_selem_id_free(snd_mixer_selem_id_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_mixer_selem_id_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_mixer_selem_id_copy(snd_mixer_selem_id_t *dst, const snd_mixer_selem_id_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get name part of a mixer simple element identifier
+ * \param obj Mixer simple element identifier
+ * \return name part
+ */
+const char *snd_mixer_selem_id_get_name(const snd_mixer_selem_id_t *obj)
+{
+ assert(obj);
+ return obj->name;
+}
+
+/**
+ * \brief Get index part of a mixer simple element identifier
+ * \param obj Mixer simple element identifier
+ * \return index part
+ */
+unsigned int snd_mixer_selem_id_get_index(const snd_mixer_selem_id_t *obj)
+{
+ assert(obj);
+ return obj->index;
+}
+
+/**
+ * \brief Set name part of a mixer simple element identifier
+ * \param obj Mixer simple element identifier
+ * \param val name part
+ */
+void snd_mixer_selem_id_set_name(snd_mixer_selem_id_t *obj, const char *val)
+{
+ assert(obj);
+ strncpy(obj->name, val, sizeof(obj->name));
+ obj->name[sizeof(obj->name)-1] = '\0';
+}
+
+/**
+ * \brief Set index part of a mixer simple element identifier
+ * \param obj Mixer simple element identifier
+ * \param val index part
+ */
+void snd_mixer_selem_id_set_index(snd_mixer_selem_id_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->index = val;
+}
diff --git a/src/mixer/simple_abst.c b/src/mixer/simple_abst.c
new file mode 100644
index 0000000..5297472
--- /dev/null
+++ b/src/mixer/simple_abst.c
@@ -0,0 +1,422 @@
+/**
+ * \file mixer/simple_abst.c
+ * \brief Mixer Simple Element Class Interface - Module Abstraction
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2005
+ *
+ * Mixer simple element class interface.
+ */
+/*
+ * Mixer Interface - simple controls - abstraction module
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <math.h>
+#include <dlfcn.h>
+#include "config.h"
+#include "asoundlib.h"
+#include "mixer_simple.h"
+
+#ifndef DOC_HIDDEN
+
+#define SO_PATH ALSA_PLUGIN_DIR "/smixer"
+
+typedef struct _class_priv {
+ char *device;
+ snd_ctl_t *ctl;
+ snd_hctl_t *hctl;
+ int attach_flag;
+ snd_ctl_card_info_t *info;
+ void *dlhandle;
+ void *private_data;
+ void (*private_free)(snd_mixer_class_t *class);
+} class_priv_t;
+
+typedef int (*snd_mixer_sbasic_init_t)(snd_mixer_class_t *class);
+typedef int (*snd_mixer_sfbasic_init_t)(snd_mixer_class_t *class,
+ snd_mixer_t *mixer,
+ const char *device);
+
+#endif /* !DOC_HIDDEN */
+
+static int try_open(snd_mixer_class_t *class, const char *lib)
+{
+ class_priv_t *priv = snd_mixer_class_get_private(class);
+ snd_mixer_event_t event_func;
+ snd_mixer_sbasic_init_t init_func = NULL;
+ char *xlib, *path;
+ void *h;
+ int err = 0;
+
+ if (!lib)
+ return -ENXIO;
+ path = getenv("ALSA_MIXER_SIMPLE_MODULES");
+ if (!path)
+ path = SO_PATH;
+ xlib = malloc(strlen(lib) + strlen(path) + 1 + 1);
+ if (xlib == NULL)
+ return -ENOMEM;
+ strcpy(xlib, path);
+ strcat(xlib, "/");
+ strcat(xlib, lib);
+ h = snd_dlopen(xlib, RTLD_NOW);
+ if (h == NULL) {
+ SNDERR("Unable to open library '%s'", xlib);
+ free(xlib);
+ return -ENXIO;
+ }
+ priv->dlhandle = h;
+ event_func = snd_dlsym(h, "alsa_mixer_simple_event", NULL);
+ if (event_func == NULL) {
+ SNDERR("Symbol 'alsa_mixer_simple_event' was not found in '%s'", xlib);
+ err = -ENXIO;
+ }
+ if (err == 0) {
+ init_func = snd_dlsym(h, "alsa_mixer_simple_init", NULL);
+ if (init_func == NULL) {
+ SNDERR("Symbol 'alsa_mixer_simple_init' was not found in '%s'", xlib);
+ err = -ENXIO;
+ }
+ }
+ free(xlib);
+ err = err == 0 ? init_func(class) : err;
+ if (err < 0)
+ return err;
+ snd_mixer_class_set_event(class, event_func);
+ return 1;
+}
+
+static int try_open_full(snd_mixer_class_t *class, snd_mixer_t *mixer,
+ const char *lib, const char *device)
+{
+ class_priv_t *priv = snd_mixer_class_get_private(class);
+ snd_mixer_event_t event_func;
+ snd_mixer_sfbasic_init_t init_func = NULL;
+ char *xlib, *path;
+ void *h;
+ int err = 0;
+
+ path = getenv("ALSA_MIXER_SIMPLE_MODULES");
+ if (!path)
+ path = SO_PATH;
+ xlib = malloc(strlen(lib) + strlen(path) + 1 + 1);
+ if (xlib == NULL)
+ return -ENOMEM;
+ strcpy(xlib, path);
+ strcat(xlib, "/");
+ strcat(xlib, lib);
+ /* note python modules requires RTLD_GLOBAL */
+ h = snd_dlopen(xlib, RTLD_NOW|RTLD_GLOBAL);
+ if (h == NULL) {
+ SNDERR("Unable to open library '%s'", xlib);
+ free(xlib);
+ return -ENXIO;
+ }
+ priv->dlhandle = h;
+ event_func = snd_dlsym(h, "alsa_mixer_simple_event", NULL);
+ if (event_func == NULL) {
+ SNDERR("Symbol 'alsa_mixer_simple_event' was not found in '%s'", xlib);
+ err = -ENXIO;
+ }
+ if (err == 0) {
+ init_func = snd_dlsym(h, "alsa_mixer_simple_finit", NULL);
+ if (init_func == NULL) {
+ SNDERR("Symbol 'alsa_mixer_simple_finit' was not found in '%s'", xlib);
+ err = -ENXIO;
+ }
+ }
+ free(xlib);
+ err = err == 0 ? init_func(class, mixer, device) : err;
+ if (err < 0)
+ return err;
+ snd_mixer_class_set_event(class, event_func);
+ return 1;
+}
+
+static int match(snd_mixer_class_t *class, const char *lib, const char *searchl)
+{
+ class_priv_t *priv = snd_mixer_class_get_private(class);
+ const char *components;
+
+ if (searchl == NULL)
+ return try_open(class, lib);
+ components = snd_ctl_card_info_get_components(priv->info);
+ while (*components != '\0') {
+ if (!strncmp(components, searchl, strlen(searchl)))
+ return try_open(class, lib);
+ while (*components != ' ' && *components != '\0')
+ components++;
+ while (*components == ' ' && *components != '\0')
+ components++;
+ }
+ return 0;
+}
+
+static int find_full(snd_mixer_class_t *class, snd_mixer_t *mixer,
+ snd_config_t *top, const char *device)
+{
+ snd_config_iterator_t i, next;
+ char *lib;
+ const char *id;
+ int err;
+
+ snd_config_for_each(i, next, top) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "_full"))
+ continue;
+ err = snd_config_get_string(n, (const char **)&lib);
+ if (err < 0)
+ return err;
+ err = try_open_full(class, mixer, lib, device);
+ if (err < 0)
+ return err;
+ return 0;
+ }
+ return -ENOENT;
+}
+
+static int find_module(snd_mixer_class_t *class, snd_config_t *top)
+{
+ snd_config_iterator_t i, next;
+ snd_config_iterator_t j, jnext;
+ char *lib, *searchl;
+ const char *id;
+ int err;
+
+ snd_config_for_each(i, next, top) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (*id == '_')
+ continue;
+ searchl = NULL;
+ lib = NULL;
+ snd_config_for_each(j, jnext, n) {
+ snd_config_t *m = snd_config_iterator_entry(j);
+ if (snd_config_get_id(m, &id) < 0)
+ continue;
+ if (!strcmp(id, "searchl")) {
+ err = snd_config_get_string(m, (const char **)&searchl);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (!strcmp(id, "lib")) {
+ err = snd_config_get_string(m, (const char **)&lib);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ }
+ err = match(class, lib, searchl);
+ if (err == 1)
+ return 0;
+ if (err < 0)
+ return err;
+ }
+ return -ENOENT;
+}
+
+static void private_free(snd_mixer_class_t *class)
+{
+ class_priv_t *priv = snd_mixer_class_get_private(class);
+
+ if (priv->private_free)
+ priv->private_free(class);
+ if (priv->dlhandle)
+ snd_dlclose(priv->dlhandle);
+ if (priv->info)
+ snd_ctl_card_info_free(priv->info);
+ if (priv->hctl) {
+ if (priv->attach_flag)
+ snd_mixer_detach_hctl(snd_mixer_class_get_mixer(class), priv->hctl);
+ snd_hctl_close(priv->hctl);
+ } else if (priv->ctl)
+ snd_ctl_close(priv->ctl);
+ free(priv->device);
+ free(priv);
+}
+
+/**
+ * \brief Register mixer simple element class - basic abstraction
+ * \param mixer Mixer handle
+ * \param options Options container
+ * \param classp Pointer to returned mixer simple element class handle (or NULL
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_simple_basic_register(snd_mixer_t *mixer,
+ struct snd_mixer_selem_regopt *options,
+ snd_mixer_class_t **classp)
+{
+ snd_mixer_class_t *class;
+ class_priv_t *priv = calloc(1, sizeof(*priv));
+ const char *file;
+ snd_input_t *input;
+ snd_config_t *top = NULL;
+ int err;
+
+ if (priv == NULL)
+ return -ENOMEM;
+ if (options->device == NULL) {
+ free(priv);
+ return -EINVAL;
+ }
+ if (snd_mixer_class_malloc(&class)) {
+ free(priv);
+ return -ENOMEM;
+ }
+ priv->device = strdup(options->device);
+ if (priv->device == NULL) {
+ free(priv);
+ snd_mixer_class_free(class);
+ return -ENOMEM;
+ }
+ snd_mixer_class_set_compare(class, snd_mixer_selem_compare);
+ snd_mixer_class_set_private(class, priv);
+ snd_mixer_class_set_private_free(class, private_free);
+ file = getenv("ALSA_MIXER_SIMPLE");
+ if (!file)
+ file = ALSA_CONFIG_DIR "/smixer.conf";
+ err = snd_config_top(&top);
+ if (err >= 0) {
+ err = snd_input_stdio_open(&input, file, "r");
+ if (err < 0) {
+ SNDERR("unable to open simple mixer configuration file '%s'", file);
+ goto __error;
+ }
+ err = snd_config_load(top, input);
+ snd_input_close(input);
+ if (err < 0) {
+ SNDERR("%s may be old or corrupted: consider to remove or fix it", file);
+ goto __error;
+ }
+ err = find_full(class, mixer, top, priv->device);
+ if (err >= 0)
+ goto __full;
+ }
+ if (err >= 0) {
+ err = snd_ctl_open(&priv->ctl, priv->device, 0);
+ if (err < 0) {
+ SNDERR("unable to open control device '%s': %s", priv->device, snd_strerror(err));
+ goto __error;
+ }
+ err = snd_hctl_open_ctl(&priv->hctl, priv->ctl);
+ if (err < 0)
+ goto __error;
+ err = snd_ctl_card_info_malloc(&priv->info);
+ if (err < 0)
+ goto __error;
+ err = snd_ctl_card_info(priv->ctl, priv->info);
+ if (err < 0)
+ goto __error;
+ }
+ if (err >= 0)
+ err = find_module(class, top);
+ if (err >= 0)
+ err = snd_mixer_attach_hctl(mixer, priv->hctl);
+ if (err >= 0) {
+ priv->attach_flag = 1;
+ err = snd_mixer_class_register(class, mixer);
+ }
+ __full:
+ if (err < 0) {
+ __error:
+ if (top)
+ snd_config_delete(top);
+ if (class)
+ snd_mixer_class_free(class);
+ return err;
+ }
+ if (top)
+ snd_config_delete(top);
+ if (classp)
+ *classp = class;
+ return 0;
+}
+
+/**
+ * \brief Basic Mixer Abstraction - Get information about device
+ * \param class Mixer class
+ * \param info Info structure
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_sbasic_info(const snd_mixer_class_t *class, sm_class_basic_t *info)
+{
+ class_priv_t *priv = snd_mixer_class_get_private(class);
+
+ if (class == NULL || info == NULL)
+ return -EINVAL;
+ info->device = priv->device;
+ info->ctl = priv->ctl;
+ info->hctl = priv->hctl;
+ info->info = priv->info;
+ return 0;
+}
+
+/**
+ * \brief Get private data for basic abstraction
+ * \param class Mixer class
+ * \return private data
+ */
+void *snd_mixer_sbasic_get_private(const snd_mixer_class_t *class)
+{
+ class_priv_t *priv = snd_mixer_class_get_private(class);
+
+ if (class == NULL)
+ return NULL;
+ return priv->private_data;
+}
+
+/**
+ * \brief Set private data for basic abstraction
+ * \param class Mixer class
+ * \param private_data Private data
+ */
+void snd_mixer_sbasic_set_private(const snd_mixer_class_t *class, void *private_data)
+{
+ class_priv_t *priv;
+
+ if (class == NULL)
+ return;
+ priv = snd_mixer_class_get_private(class);
+ priv->private_data = private_data;
+}
+
+/**
+ * \brief Set private data free callback for basic abstraction
+ * \param class Mixer class
+ * \param private_free free callback for private data
+ */
+void snd_mixer_sbasic_set_private_free(const snd_mixer_class_t *class, void (*private_free)(snd_mixer_class_t *class))
+{
+ class_priv_t *priv;
+
+ if (class == NULL)
+ return;
+ priv = snd_mixer_class_get_private(class);
+ priv->private_free = private_free;
+}
diff --git a/src/mixer/simple_none.c b/src/mixer/simple_none.c
new file mode 100644
index 0000000..4e55660
--- /dev/null
+++ b/src/mixer/simple_none.c
@@ -0,0 +1,1730 @@
+/**
+ * \file mixer/simple_none.c
+ * \brief Mixer Simple Element Class Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2001-2004
+ *
+ * Mixer simple element class interface.
+ */
+/*
+ * Mixer Interface - simple controls
+ * Copyright (c) 2000,2004 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <assert.h>
+#include <math.h>
+#include <limits.h>
+#include <alsa/asoundlib.h>
+#include "config.h"
+#include "mixer_simple.h"
+
+#ifndef DOC_HIDDEN
+
+#define MIXER_COMPARE_WEIGHT_SIMPLE_BASE 0
+#define MIXER_COMPARE_WEIGHT_NEXT_BASE 10000000
+#define MIXER_COMPARE_WEIGHT_NOT_FOUND 1000000000
+
+typedef enum _selem_ctl_type {
+ CTL_SINGLE,
+ CTL_GLOBAL_ENUM,
+ CTL_GLOBAL_SWITCH,
+ CTL_GLOBAL_VOLUME,
+ CTL_GLOBAL_ROUTE,
+ CTL_PLAYBACK_ENUM,
+ CTL_PLAYBACK_SWITCH,
+ CTL_PLAYBACK_VOLUME,
+ CTL_PLAYBACK_ROUTE,
+ CTL_CAPTURE_ENUM,
+ CTL_CAPTURE_SWITCH,
+ CTL_CAPTURE_VOLUME,
+ CTL_CAPTURE_ROUTE,
+ CTL_CAPTURE_SOURCE,
+ CTL_LAST = CTL_CAPTURE_SOURCE,
+} selem_ctl_type_t;
+
+typedef struct _selem_ctl {
+ snd_hctl_elem_t *elem;
+ snd_ctl_elem_type_t type;
+ unsigned int inactive: 1;
+ unsigned int values;
+ long min, max;
+} selem_ctl_t;
+
+typedef struct _selem_none {
+ sm_selem_t selem;
+ selem_ctl_t ctls[CTL_LAST + 1];
+ unsigned int capture_item;
+ struct selem_str {
+ unsigned int range: 1; /* Forced range */
+ unsigned int db_initialized: 1;
+ unsigned int db_init_error: 1;
+ long min, max;
+ unsigned int channels;
+ long vol[32];
+ unsigned int sw;
+ unsigned int *db_info;
+ } str[2];
+} selem_none_t;
+
+static const struct mixer_name_table {
+ const char *longname;
+ const char *shortname;
+} name_table[] = {
+ {"Tone Control - Switch", "Tone"},
+ {"Tone Control - Bass", "Bass"},
+ {"Tone Control - Treble", "Treble"},
+ {"Synth Tone Control - Switch", "Synth Tone"},
+ {"Synth Tone Control - Bass", "Synth Bass"},
+ {"Synth Tone Control - Treble", "Synth Treble"},
+ {0, 0},
+};
+
+#endif /* !DOC_HIDDEN */
+
+static const char *get_short_name(const char *lname)
+{
+ const struct mixer_name_table *p;
+ for (p = name_table; p->longname; p++) {
+ if (!strcmp(lname, p->longname))
+ return p->shortname;
+ }
+ return lname;
+}
+
+static int compare_mixer_priority_lookup(const char **name, const char * const *names, int coef)
+{
+ int res;
+
+ for (res = 0; *names; names++, res += coef) {
+ if (!strncmp(*name, *names, strlen(*names))) {
+ *name += strlen(*names);
+ if (**name == ' ')
+ (*name)++;
+ return res+1;
+ }
+ }
+ return MIXER_COMPARE_WEIGHT_NOT_FOUND;
+}
+
+static int get_compare_weight(const char *name, unsigned int idx)
+{
+ static const char *const names[] = {
+ "Master",
+ "Headphone",
+ "Speaker",
+ "Tone",
+ "Bass",
+ "Treble",
+ "3D Control",
+ "PCM",
+ "Front",
+ "Surround",
+ "Center",
+ "LFE",
+ "Side",
+ "Synth",
+ "FM",
+ "Wave",
+ "Music",
+ "DSP",
+ "Line",
+ "CD",
+ "Mic",
+ "Video",
+ "Zoom Video",
+ "Phone",
+ "I2S",
+ "IEC958",
+ "PC Speaker",
+ "Beep",
+ "Aux",
+ "Mono",
+ "Playback",
+ "Capture",
+ "Mix",
+ NULL
+ };
+ static const char *const names1[] = {
+ "-",
+ NULL,
+ };
+ static const char *const names2[] = {
+ "Mono",
+ "Digital",
+ "Switch",
+ "Depth",
+ "Wide",
+ "Space",
+ "Level",
+ "Center",
+ "Output",
+ "Boost",
+ "Tone",
+ "Bass",
+ "Treble",
+ NULL,
+ };
+ const char *name1;
+ int res, res1;
+
+ if ((res = compare_mixer_priority_lookup((const char **)&name, names, 1000)) == MIXER_COMPARE_WEIGHT_NOT_FOUND)
+ return MIXER_COMPARE_WEIGHT_NOT_FOUND;
+ if (*name == '\0')
+ goto __res;
+ for (name1 = name; *name1 != '\0'; name1++);
+ for (name1--; name1 != name && *name1 != ' '; name1--);
+ while (name1 != name && *name1 == ' ')
+ name1--;
+ if (name1 != name) {
+ for (; name1 != name && *name1 != ' '; name1--);
+ name = name1;
+ if ((res1 = compare_mixer_priority_lookup((const char **)&name, names1, 200)) == MIXER_COMPARE_WEIGHT_NOT_FOUND)
+ return res;
+ res += res1;
+ } else {
+ name = name1;
+ }
+ if ((res1 = compare_mixer_priority_lookup((const char **)&name, names2, 20)) == MIXER_COMPARE_WEIGHT_NOT_FOUND)
+ return res;
+ __res:
+ return MIXER_COMPARE_WEIGHT_SIMPLE_BASE + res + idx;
+}
+
+static long to_user(selem_none_t *s, int dir, selem_ctl_t *c, long value)
+{
+ int64_t n;
+ if (c->max == c->min)
+ return s->str[dir].min;
+ n = (int64_t) (value - c->min) * (s->str[dir].max - s->str[dir].min);
+ return s->str[dir].min + (n + (c->max - c->min) / 2) / (c->max - c->min);
+}
+
+static long from_user(selem_none_t *s, int dir, selem_ctl_t *c, long value)
+{
+ int64_t n;
+ if (s->str[dir].max == s->str[dir].min)
+ return c->min;
+ n = (int64_t) (value - s->str[dir].min) * (c->max - c->min);
+ return c->min + (n + (s->str[dir].max - s->str[dir].min) / 2) / (s->str[dir].max - s->str[dir].min);
+}
+
+static int elem_read_volume(selem_none_t *s, int dir, selem_ctl_type_t type)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ selem_ctl_t *c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < s->str[dir].channels; idx++) {
+ unsigned int idx1 = idx;
+ if (idx >= c->values)
+ idx1 = 0;
+ s->str[dir].vol[idx] = to_user(s, dir, c, snd_ctl_elem_value_get_integer(ctl, idx1));
+ }
+ return 0;
+}
+
+static int elem_read_switch(selem_none_t *s, int dir, selem_ctl_type_t type)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ selem_ctl_t *c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < s->str[dir].channels; idx++) {
+ unsigned int idx1 = idx;
+ if (idx >= c->values)
+ idx1 = 0;
+ if (!snd_ctl_elem_value_get_integer(ctl, idx1))
+ s->str[dir].sw &= ~(1 << idx);
+ }
+ return 0;
+}
+
+static int elem_read_route(selem_none_t *s, int dir, selem_ctl_type_t type)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ selem_ctl_t *c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < s->str[dir].channels; idx++) {
+ unsigned int idx1 = idx;
+ if (idx >= c->values)
+ idx1 = 0;
+ if (!snd_ctl_elem_value_get_integer(ctl, idx1 * c->values + idx1))
+ s->str[dir].sw &= ~(1 << idx);
+ }
+ return 0;
+}
+
+static int elem_read_enum(selem_none_t *s)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ int type;
+ selem_ctl_t *c;
+ type = CTL_GLOBAL_ENUM;
+ if ( (s->selem.caps & (SM_CAP_CENUM | SM_CAP_PENUM)) == (SM_CAP_CENUM | SM_CAP_PENUM) )
+ type = CTL_GLOBAL_ENUM;
+ else if (s->selem.caps & SM_CAP_PENUM)
+ type = CTL_PLAYBACK_ENUM;
+ else if (s->selem.caps & SM_CAP_CENUM)
+ type = CTL_CAPTURE_ENUM;
+ c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < s->str[0].channels; idx++) {
+ unsigned int idx1 = idx;
+ if (idx >= c->values)
+ idx1 = 0;
+ s->str[0].vol[idx] = snd_ctl_elem_value_get_enumerated(ctl, idx1);
+ }
+ return 0;
+}
+
+static int selem_read(snd_mixer_elem_t *elem)
+{
+ selem_none_t *s;
+ unsigned int idx;
+ int err = 0;
+ long pvol[32], cvol[32];
+ unsigned int psw, csw;
+
+ assert(snd_mixer_elem_get_type(elem) == SND_MIXER_ELEM_SIMPLE);
+ s = snd_mixer_elem_get_private(elem);
+
+ memcpy(pvol, s->str[SM_PLAY].vol, sizeof(pvol));
+ memset(&s->str[SM_PLAY].vol, 0, sizeof(s->str[SM_PLAY].vol));
+ psw = s->str[SM_PLAY].sw;
+ s->str[SM_PLAY].sw = ~0U;
+ memcpy(cvol, s->str[SM_CAPT].vol, sizeof(cvol));
+ memset(&s->str[SM_CAPT].vol, 0, sizeof(s->str[SM_CAPT].vol));
+ csw = s->str[SM_CAPT].sw;
+ s->str[SM_CAPT].sw = ~0U;
+
+ if (s->ctls[CTL_GLOBAL_ENUM].elem) {
+ err = elem_read_enum(s);
+ if (err < 0)
+ return err;
+ goto __skip_cswitch;
+ }
+
+ if (s->ctls[CTL_CAPTURE_ENUM].elem) {
+ err = elem_read_enum(s);
+ if (err < 0)
+ return err;
+ goto __skip_cswitch;
+ }
+
+ if (s->ctls[CTL_PLAYBACK_ENUM].elem) {
+ err = elem_read_enum(s);
+ if (err < 0)
+ return err;
+ goto __skip_cswitch;
+ }
+
+
+ if (s->ctls[CTL_PLAYBACK_VOLUME].elem)
+ err = elem_read_volume(s, SM_PLAY, CTL_PLAYBACK_VOLUME);
+ else if (s->ctls[CTL_GLOBAL_VOLUME].elem)
+ err = elem_read_volume(s, SM_PLAY, CTL_GLOBAL_VOLUME);
+ else if (s->ctls[CTL_SINGLE].elem &&
+ s->ctls[CTL_SINGLE].type == SND_CTL_ELEM_TYPE_INTEGER)
+ err = elem_read_volume(s, SM_PLAY, CTL_SINGLE);
+ if (err < 0)
+ return err;
+
+ if ((s->selem.caps & (SM_CAP_GSWITCH|SM_CAP_PSWITCH)) == 0) {
+ s->str[SM_PLAY].sw = 0;
+ goto __skip_pswitch;
+ }
+ if (s->ctls[CTL_PLAYBACK_SWITCH].elem) {
+ err = elem_read_switch(s, SM_PLAY, CTL_PLAYBACK_SWITCH);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_GLOBAL_SWITCH].elem) {
+ err = elem_read_switch(s, SM_PLAY, CTL_GLOBAL_SWITCH);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_SINGLE].elem &&
+ s->ctls[CTL_SINGLE].type == SND_CTL_ELEM_TYPE_BOOLEAN) {
+ err = elem_read_switch(s, SM_PLAY, CTL_SINGLE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_PLAYBACK_ROUTE].elem) {
+ err = elem_read_route(s, SM_PLAY, CTL_PLAYBACK_ROUTE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_GLOBAL_ROUTE].elem) {
+ err = elem_read_route(s, SM_PLAY, CTL_GLOBAL_ROUTE);
+ if (err < 0)
+ return err;
+ }
+ __skip_pswitch:
+
+ if (s->ctls[CTL_CAPTURE_VOLUME].elem)
+ err = elem_read_volume(s, SM_CAPT, CTL_CAPTURE_VOLUME);
+ else if (s->ctls[CTL_GLOBAL_VOLUME].elem)
+ err = elem_read_volume(s, SM_CAPT, CTL_GLOBAL_VOLUME);
+ else if (s->ctls[CTL_SINGLE].elem &&
+ s->ctls[CTL_SINGLE].type == SND_CTL_ELEM_TYPE_INTEGER)
+ err = elem_read_volume(s, SM_CAPT, CTL_SINGLE);
+ if (err < 0)
+ return err;
+
+ if ((s->selem.caps & (SM_CAP_GSWITCH|SM_CAP_CSWITCH)) == 0) {
+ s->str[SM_CAPT].sw = 0;
+ goto __skip_cswitch;
+ }
+ if (s->ctls[CTL_CAPTURE_SWITCH].elem) {
+ err = elem_read_switch(s, SM_CAPT, CTL_CAPTURE_SWITCH);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_GLOBAL_SWITCH].elem) {
+ err = elem_read_switch(s, SM_CAPT, CTL_GLOBAL_SWITCH);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_SINGLE].elem &&
+ s->ctls[CTL_SINGLE].type == SND_CTL_ELEM_TYPE_BOOLEAN) {
+ err = elem_read_switch(s, SM_CAPT, CTL_SINGLE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_CAPTURE_ROUTE].elem) {
+ err = elem_read_route(s, SM_CAPT, CTL_CAPTURE_ROUTE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_GLOBAL_ROUTE].elem) {
+ err = elem_read_route(s, SM_CAPT, CTL_GLOBAL_ROUTE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_CAPTURE_SOURCE].elem) {
+ snd_ctl_elem_value_t *ctl;
+ selem_ctl_t *c = &s->ctls[CTL_CAPTURE_SOURCE];
+ snd_ctl_elem_value_alloca(&ctl);
+ err = snd_hctl_elem_read(c->elem, ctl);
+ if (err < 0)
+ return err;
+ for (idx = 0; idx < s->str[SM_CAPT].channels; idx++) {
+ unsigned int idx1 = idx;
+ if (idx >= c->values)
+ idx1 = 0;
+ if (snd_ctl_elem_value_get_enumerated(ctl, idx1) != s->capture_item)
+ s->str[SM_CAPT].sw &= ~(1 << idx);
+ }
+ }
+ __skip_cswitch:
+
+ if (memcmp(pvol, s->str[SM_PLAY].vol, sizeof(pvol)) ||
+ psw != s->str[SM_PLAY].sw ||
+ memcmp(cvol, s->str[SM_CAPT].vol, sizeof(cvol)) ||
+ csw != s->str[SM_CAPT].sw)
+ return 1;
+ return 0;
+}
+
+static int elem_write_volume(selem_none_t *s, int dir, selem_ctl_type_t type)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ selem_ctl_t *c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < c->values; idx++)
+ snd_ctl_elem_value_set_integer(ctl, idx, from_user(s, dir, c, s->str[dir].vol[idx]));
+ if ((err = snd_hctl_elem_write(c->elem, ctl)) < 0)
+ return err;
+ return 0;
+}
+
+static int elem_write_switch(selem_none_t *s, int dir, selem_ctl_type_t type)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ selem_ctl_t *c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < c->values; idx++)
+ snd_ctl_elem_value_set_integer(ctl, idx, !!(s->str[dir].sw & (1 << idx)));
+ if ((err = snd_hctl_elem_write(c->elem, ctl)) < 0)
+ return err;
+ return 0;
+}
+
+static int elem_write_switch_constant(selem_none_t *s, selem_ctl_type_t type, int val)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ selem_ctl_t *c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < c->values; idx++)
+ snd_ctl_elem_value_set_integer(ctl, idx, !!val);
+ if ((err = snd_hctl_elem_write(c->elem, ctl)) < 0)
+ return err;
+ return 0;
+}
+
+static int elem_write_route(selem_none_t *s, int dir, selem_ctl_type_t type)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ selem_ctl_t *c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < c->values * c->values; idx++)
+ snd_ctl_elem_value_set_integer(ctl, idx, 0);
+ for (idx = 0; idx < c->values; idx++)
+ snd_ctl_elem_value_set_integer(ctl, idx * c->values + idx, !!(s->str[dir].sw & (1 << idx)));
+ if ((err = snd_hctl_elem_write(c->elem, ctl)) < 0)
+ return err;
+ return 0;
+}
+
+static int elem_write_enum(selem_none_t *s)
+{
+ snd_ctl_elem_value_t *ctl;
+ unsigned int idx;
+ int err;
+ int type;
+ selem_ctl_t *c;
+ type = CTL_GLOBAL_ENUM;
+ if ( (s->selem.caps & (SM_CAP_CENUM | SM_CAP_PENUM) ) == (SM_CAP_CENUM | SM_CAP_PENUM) )
+ type = CTL_GLOBAL_ENUM;
+ else if (s->selem.caps & SM_CAP_PENUM)
+ type = CTL_PLAYBACK_ENUM;
+ else if (s->selem.caps & SM_CAP_CENUM)
+ type = CTL_CAPTURE_ENUM;
+ c = &s->ctls[type];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < c->values; idx++)
+ snd_ctl_elem_value_set_enumerated(ctl, idx, (unsigned int)s->str[0].vol[idx]);
+ if ((err = snd_hctl_elem_write(c->elem, ctl)) < 0)
+ return err;
+ return 0;
+}
+
+static int selem_write_main(snd_mixer_elem_t *elem)
+{
+ selem_none_t *s;
+ unsigned int idx;
+ int err;
+
+ assert(snd_mixer_elem_get_type(elem) == SND_MIXER_ELEM_SIMPLE);
+ s = snd_mixer_elem_get_private(elem);
+
+ if (s->ctls[CTL_GLOBAL_ENUM].elem)
+ return elem_write_enum(s);
+
+ if (s->ctls[CTL_PLAYBACK_ENUM].elem)
+ return elem_write_enum(s);
+
+ if (s->ctls[CTL_CAPTURE_ENUM].elem)
+ return elem_write_enum(s);
+
+ if (s->ctls[CTL_SINGLE].elem) {
+ if (s->ctls[CTL_SINGLE].type == SND_CTL_ELEM_TYPE_INTEGER)
+ err = elem_write_volume(s, SM_PLAY, CTL_SINGLE);
+ else
+ err = elem_write_switch(s, SM_PLAY, CTL_SINGLE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_GLOBAL_VOLUME].elem) {
+ err = elem_write_volume(s, SM_PLAY, CTL_GLOBAL_VOLUME);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_GLOBAL_SWITCH].elem) {
+ if (s->ctls[CTL_PLAYBACK_SWITCH].elem && s->ctls[CTL_CAPTURE_SWITCH].elem)
+ err = elem_write_switch_constant(s, CTL_GLOBAL_SWITCH, 1);
+ else
+ err = elem_write_switch(s, SM_PLAY, CTL_GLOBAL_SWITCH);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_PLAYBACK_VOLUME].elem) {
+ err = elem_write_volume(s, SM_PLAY, CTL_PLAYBACK_VOLUME);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_PLAYBACK_SWITCH].elem) {
+ err = elem_write_switch(s, SM_PLAY, CTL_PLAYBACK_SWITCH);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_PLAYBACK_ROUTE].elem) {
+ err = elem_write_route(s, SM_PLAY, CTL_PLAYBACK_ROUTE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_CAPTURE_VOLUME].elem) {
+ err = elem_write_volume(s, SM_CAPT, CTL_CAPTURE_VOLUME);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_CAPTURE_SWITCH].elem) {
+ err = elem_write_switch(s, SM_CAPT, CTL_CAPTURE_SWITCH);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_CAPTURE_ROUTE].elem) {
+ err = elem_write_route(s, SM_CAPT, CTL_CAPTURE_ROUTE);
+ if (err < 0)
+ return err;
+ }
+ if (s->ctls[CTL_CAPTURE_SOURCE].elem) {
+ snd_ctl_elem_value_t *ctl;
+ selem_ctl_t *c = &s->ctls[CTL_CAPTURE_SOURCE];
+ snd_ctl_elem_value_alloca(&ctl);
+ if ((err = snd_hctl_elem_read(c->elem, ctl)) < 0)
+ return err;
+ for (idx = 0; idx < c->values; idx++) {
+ if (s->str[SM_CAPT].sw & (1 << idx))
+ snd_ctl_elem_value_set_enumerated(ctl, idx, s->capture_item);
+ }
+ if ((err = snd_hctl_elem_write(c->elem, ctl)) < 0)
+ return err;
+ /* update the element, don't remove */
+ err = selem_read(elem);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int selem_write(snd_mixer_elem_t *elem)
+{
+ int err;
+
+ err = selem_write_main(elem);
+ if (err < 0)
+ selem_read(elem);
+ return err;
+}
+
+static void selem_free(snd_mixer_elem_t *elem)
+{
+ selem_none_t *simple = snd_mixer_elem_get_private(elem);
+ assert(snd_mixer_elem_get_type(elem) == SND_MIXER_ELEM_SIMPLE);
+ if (simple->selem.id)
+ snd_mixer_selem_id_free(simple->selem.id);
+ /* free db range information */
+ free(simple->str[0].db_info);
+ free(simple->str[1].db_info);
+ free(simple);
+}
+
+static int simple_update(snd_mixer_elem_t *melem)
+{
+ selem_none_t *simple;
+ unsigned int caps, pchannels, cchannels;
+ long pmin, pmax, cmin, cmax;
+ selem_ctl_t *ctl;
+
+ caps = 0;
+ pchannels = 0;
+ pmin = LONG_MAX;
+ pmax = LONG_MIN;
+ cchannels = 0;
+ cmin = LONG_MAX;
+ cmax = LONG_MIN;
+ assert(snd_mixer_elem_get_type(melem) == SND_MIXER_ELEM_SIMPLE);
+ simple = snd_mixer_elem_get_private(melem);
+ ctl = &simple->ctls[CTL_SINGLE];
+ if (ctl->elem) {
+ pchannels = cchannels = ctl->values;
+ if (ctl->type == SND_CTL_ELEM_TYPE_INTEGER) {
+ caps |= SM_CAP_GVOLUME;
+ pmin = cmin = ctl->min;
+ pmax = cmax = ctl->max;
+ } else
+ caps |= SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_GLOBAL_SWITCH];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ if (cchannels < ctl->values)
+ cchannels = ctl->values;
+ caps |= SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_GLOBAL_ROUTE];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ if (cchannels < ctl->values)
+ cchannels = ctl->values;
+ caps |= SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_GLOBAL_VOLUME];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ if (pmin > ctl->min)
+ pmin = ctl->min;
+ if (pmax < ctl->max)
+ pmax = ctl->max;
+ if (cchannels < ctl->values)
+ cchannels = ctl->values;
+ if (cmin > ctl->min)
+ cmin = ctl->min;
+ if (cmax < ctl->max)
+ cmax = ctl->max;
+ caps |= SM_CAP_GVOLUME;
+ }
+ ctl = &simple->ctls[CTL_PLAYBACK_SWITCH];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ caps |= SM_CAP_PSWITCH;
+ caps &= ~SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_PLAYBACK_ROUTE];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ caps |= SM_CAP_PSWITCH;
+ caps &= ~SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_CAPTURE_SWITCH];
+ if (ctl->elem) {
+ if (cchannels < ctl->values)
+ cchannels = ctl->values;
+ caps |= SM_CAP_CSWITCH;
+ caps &= ~SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_CAPTURE_ROUTE];
+ if (ctl->elem) {
+ if (cchannels < ctl->values)
+ cchannels = ctl->values;
+ caps |= SM_CAP_CSWITCH;
+ caps &= ~SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_PLAYBACK_VOLUME];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ if (pmin > ctl->min)
+ pmin = ctl->min;
+ if (pmax < ctl->max)
+ pmax = ctl->max;
+ caps |= SM_CAP_PVOLUME;
+ caps &= ~SM_CAP_GVOLUME;
+ }
+ ctl = &simple->ctls[CTL_CAPTURE_VOLUME];
+ if (ctl->elem) {
+ if (cchannels < ctl->values)
+ cchannels = ctl->values;
+ if (cmin > ctl->min)
+ cmin = ctl->min;
+ if (cmax < ctl->max)
+ cmax = ctl->max;
+ caps |= SM_CAP_CVOLUME;
+ caps &= ~SM_CAP_GVOLUME;
+ }
+ ctl = &simple->ctls[CTL_CAPTURE_SOURCE];
+ if (ctl->elem) {
+ if (cchannels < ctl->values)
+ cchannels = ctl->values;
+ caps |= SM_CAP_CSWITCH | SM_CAP_CSWITCH_EXCL;
+ caps &= ~SM_CAP_GSWITCH;
+ }
+ ctl = &simple->ctls[CTL_GLOBAL_ENUM];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ caps |= SM_CAP_PENUM | SM_CAP_CENUM;
+ }
+ ctl = &simple->ctls[CTL_PLAYBACK_ENUM];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ caps |= SM_CAP_PENUM;
+ }
+ ctl = &simple->ctls[CTL_CAPTURE_ENUM];
+ if (ctl->elem) {
+ if (pchannels < ctl->values)
+ pchannels = ctl->values;
+ caps |= SM_CAP_CENUM;
+ }
+ if (pchannels > 32)
+ pchannels = 32;
+ if (cchannels > 32)
+ cchannels = 32;
+ if (caps & (SM_CAP_GSWITCH|SM_CAP_PSWITCH))
+ caps |= SM_CAP_PSWITCH_JOIN;
+ if (caps & (SM_CAP_GVOLUME|SM_CAP_PVOLUME))
+ caps |= SM_CAP_PVOLUME_JOIN;
+ if (caps & (SM_CAP_GSWITCH|SM_CAP_CSWITCH))
+ caps |= SM_CAP_CSWITCH_JOIN;
+ if (caps & (SM_CAP_GVOLUME|SM_CAP_CVOLUME))
+ caps |= SM_CAP_CVOLUME_JOIN;
+ if (pchannels > 1 || cchannels > 1) {
+ if (simple->ctls[CTL_SINGLE].elem &&
+ simple->ctls[CTL_SINGLE].values > 1) {
+ if (caps & SM_CAP_GSWITCH)
+ caps &= ~(SM_CAP_PSWITCH_JOIN|SM_CAP_CSWITCH_JOIN);
+ else
+ caps &= ~(SM_CAP_PVOLUME_JOIN|SM_CAP_CVOLUME_JOIN);
+ }
+ if (simple->ctls[CTL_GLOBAL_ROUTE].elem ||
+ (simple->ctls[CTL_GLOBAL_SWITCH].elem &&
+ simple->ctls[CTL_GLOBAL_SWITCH].values > 1)) {
+ caps &= ~(SM_CAP_PSWITCH_JOIN|SM_CAP_CSWITCH_JOIN);
+ }
+ if (simple->ctls[CTL_GLOBAL_VOLUME].elem &&
+ simple->ctls[CTL_GLOBAL_VOLUME].values > 1) {
+ caps &= ~(SM_CAP_PVOLUME_JOIN|SM_CAP_CVOLUME_JOIN);
+ }
+ }
+ if (pchannels > 1) {
+ if (simple->ctls[CTL_PLAYBACK_ROUTE].elem ||
+ (simple->ctls[CTL_PLAYBACK_SWITCH].elem &&
+ simple->ctls[CTL_PLAYBACK_SWITCH].values > 1)) {
+ caps &= ~SM_CAP_PSWITCH_JOIN;
+ }
+ if (simple->ctls[CTL_PLAYBACK_VOLUME].elem &&
+ simple->ctls[CTL_PLAYBACK_VOLUME].values > 1) {
+ caps &= ~SM_CAP_PVOLUME_JOIN;
+ }
+ }
+ if (cchannels > 1) {
+ if (simple->ctls[CTL_CAPTURE_ROUTE].elem ||
+ (simple->ctls[CTL_CAPTURE_SWITCH].elem &&
+ simple->ctls[CTL_CAPTURE_SWITCH].values > 1) ||
+ (simple->ctls[CTL_CAPTURE_SOURCE].elem &&
+ simple->ctls[CTL_CAPTURE_SOURCE].values > 1)) {
+ caps &= ~SM_CAP_CSWITCH_JOIN;
+ }
+ if (simple->ctls[CTL_CAPTURE_VOLUME].elem &&
+ simple->ctls[CTL_CAPTURE_VOLUME].values > 1) {
+ caps &= ~SM_CAP_CVOLUME_JOIN;
+ }
+ }
+
+ /* exceptions */
+ if ((caps & (SM_CAP_GSWITCH|SM_CAP_PSWITCH|SM_CAP_CSWITCH)) &&
+ (caps & (SM_CAP_GSWITCH|SM_CAP_PSWITCH|SM_CAP_CSWITCH)) == (caps & SM_CAP_GSWITCH)) {
+ caps &= ~(SM_CAP_GSWITCH|SM_CAP_CSWITCH_JOIN|SM_CAP_CSWITCH_EXCL);
+ caps |= SM_CAP_PSWITCH;
+ }
+
+ if ((caps & SM_CAP_GSWITCH) &&
+ (caps & (SM_CAP_PSWITCH|SM_CAP_CSWITCH)) == 0)
+ caps |= SM_CAP_PSWITCH|SM_CAP_CSWITCH;
+
+ if ((caps & SM_CAP_GVOLUME) &&
+ (caps & (SM_CAP_PVOLUME|SM_CAP_CVOLUME)) == 0)
+ caps |= SM_CAP_PVOLUME|SM_CAP_CVOLUME;
+
+ simple->selem.caps = caps;
+ simple->str[SM_PLAY].channels = pchannels;
+ if (!simple->str[SM_PLAY].range) {
+ simple->str[SM_PLAY].min = pmin != LONG_MAX ? pmin : 0;
+ simple->str[SM_PLAY].max = pmax != LONG_MIN ? pmax : 0;
+ }
+ simple->str[SM_CAPT].channels = cchannels;
+ if (!simple->str[SM_CAPT].range) {
+ simple->str[SM_CAPT].min = cmin != LONG_MAX ? cmin : 0;
+ simple->str[SM_CAPT].max = cmax != LONG_MIN ? cmax : 0;
+ }
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+static const struct suf {
+ const char *suffix;
+ selem_ctl_type_t type;
+} suffixes[] = {
+ {" Playback Enum", CTL_PLAYBACK_ENUM},
+ {" Playback Switch", CTL_PLAYBACK_SWITCH},
+ {" Playback Route", CTL_PLAYBACK_ROUTE},
+ {" Playback Volume", CTL_PLAYBACK_VOLUME},
+ {" Capture Enum", CTL_CAPTURE_ENUM},
+ {" Capture Switch", CTL_CAPTURE_SWITCH},
+ {" Capture Route", CTL_CAPTURE_ROUTE},
+ {" Capture Volume", CTL_CAPTURE_VOLUME},
+ {" Enum", CTL_GLOBAL_ENUM},
+ {" Switch", CTL_GLOBAL_SWITCH},
+ {" Route", CTL_GLOBAL_ROUTE},
+ {" Volume", CTL_GLOBAL_VOLUME},
+ {NULL, 0}
+};
+#endif
+
+/* Return base length or 0 on failure */
+static int base_len(const char *name, selem_ctl_type_t *type)
+{
+ const struct suf *p;
+ size_t nlen = strlen(name);
+ p = suffixes;
+ while (p->suffix) {
+ size_t slen = strlen(p->suffix);
+ size_t l;
+ if (nlen > slen) {
+ l = nlen - slen;
+ if (strncmp(name + l, p->suffix, slen) == 0 &&
+ (l < 1 || name[l-1] != '-')) { /* 3D Control - Switch */
+ *type = p->type;
+ return l;
+ }
+ }
+ p++;
+ }
+
+ /* Special case - handle "Input Source" as a capture route.
+ * Note that it's *NO* capture source. A capture source is split over
+ * sub-elements, and multiple capture-sources will result in an error.
+ * That's why some drivers use "Input Source" as a workaround.
+ * Hence, this is a workaround for a workaround to get the things
+ * straight back again. Sigh.
+ */
+ if (!strcmp(name, "Input Source")) {
+ *type = CTL_CAPTURE_ROUTE;
+ return strlen(name);
+ }
+ if (strstr(name, "3D Control")) {
+ if (strstr(name, "Depth")) {
+ *type = CTL_PLAYBACK_VOLUME;
+ return strlen(name);
+ }
+ }
+ return 0;
+}
+
+
+/*
+ * Simple Mixer Operations
+ */
+
+static int _snd_mixer_selem_set_volume(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, long value)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ if (s->selem.caps & SM_CAP_GVOLUME)
+ dir = SM_PLAY;
+ if ((unsigned int) channel >= s->str[dir].channels)
+ return 0;
+ if (value < s->str[dir].min || value > s->str[dir].max)
+ return 0;
+ if (s->selem.caps &
+ (dir == SM_PLAY ? SM_CAP_PVOLUME_JOIN : SM_CAP_CVOLUME_JOIN))
+ channel = 0;
+ if (value != s->str[dir].vol[channel]) {
+ s->str[dir].vol[channel] = value;
+ return 1;
+ }
+ return 0;
+}
+
+static int _snd_mixer_selem_set_switch(snd_mixer_elem_t *elem, int dir, snd_mixer_selem_channel_id_t channel, int value)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ if ((unsigned int) channel >= s->str[dir].channels)
+ return 0;
+ if (s->selem.caps &
+ (dir == SM_PLAY ? SM_CAP_PSWITCH_JOIN : SM_CAP_CSWITCH_JOIN))
+ channel = 0;
+ if (value) {
+ if (!(s->str[dir].sw & (1 << channel))) {
+ s->str[dir].sw |= 1 << channel;
+ return 1;
+ }
+ } else {
+ if (s->str[dir].sw & (1 << channel)) {
+ s->str[dir].sw &= ~(1 << channel);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int is_ops(snd_mixer_elem_t *elem, int dir, int cmd, int val)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+
+ switch (cmd) {
+
+ case SM_OPS_IS_ACTIVE: {
+ selem_ctl_type_t ctl;
+ for (ctl = CTL_SINGLE; ctl <= CTL_LAST; ctl++)
+ if (s->ctls[ctl].elem != NULL && s->ctls[ctl].inactive)
+ return 0;
+ return 1;
+ }
+
+ case SM_OPS_IS_MONO:
+ return s->str[dir].channels == 1;
+
+ case SM_OPS_IS_CHANNEL:
+ return (unsigned int) val < s->str[dir].channels;
+
+ case SM_OPS_IS_ENUMERATED:
+ if (val == 1) {
+ if (dir == SM_PLAY && (s->selem.caps & SM_CAP_PENUM) && !(s->selem.caps & SM_CAP_CENUM) )
+ return 1;
+ if (dir == SM_CAPT && (s->selem.caps & SM_CAP_CENUM) && !(s->selem.caps & SM_CAP_PENUM) )
+ return 1;
+ return 0;
+ }
+ if (s->selem.caps & (SM_CAP_CENUM | SM_CAP_PENUM) )
+ return 1;
+ return 0;
+
+ case SM_OPS_IS_ENUMCNT:
+ /* Both */
+ if ( (s->selem.caps & (SM_CAP_CENUM | SM_CAP_PENUM)) == (SM_CAP_CENUM | SM_CAP_PENUM) ) {
+ if (! s->ctls[CTL_GLOBAL_ENUM].elem)
+ return -EINVAL;
+ return s->ctls[CTL_GLOBAL_ENUM].max;
+ /* Only Playback */
+ } else if (s->selem.caps & SM_CAP_PENUM ) {
+ if (! s->ctls[CTL_PLAYBACK_ENUM].elem)
+ return -EINVAL;
+ return s->ctls[CTL_PLAYBACK_ENUM].max;
+ /* Only Capture */
+ } else if (s->selem.caps & SM_CAP_CENUM ) {
+ if (! s->ctls[CTL_CAPTURE_ENUM].elem)
+ return -EINVAL;
+ return s->ctls[CTL_CAPTURE_ENUM].max;
+ }
+
+ }
+
+ return 1;
+}
+
+static int get_range_ops(snd_mixer_elem_t *elem, int dir,
+ long *min, long *max)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ *min = s->str[dir].min;
+ *max = s->str[dir].max;
+ return 0;
+}
+
+static int set_range_ops(snd_mixer_elem_t *elem, int dir,
+ long min, long max)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ int err;
+
+ s->str[dir].range = 1;
+ s->str[dir].min = min;
+ s->str[dir].max = max;
+ if ((err = selem_read(elem)) < 0)
+ return err;
+ return 0;
+}
+
+static int get_volume_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, long *value)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ if (s->selem.caps & SM_CAP_GVOLUME)
+ dir = SM_PLAY;
+ if ((unsigned int) channel >= s->str[dir].channels)
+ return -EINVAL;
+ *value = s->str[dir].vol[channel];
+ return 0;
+}
+
+static int init_db_range(snd_hctl_elem_t *ctl, struct selem_str *rec);
+
+static int convert_to_dB(snd_hctl_elem_t *ctl, struct selem_str *rec,
+ long volume, long *db_gain)
+{
+ if (init_db_range(ctl, rec) < 0)
+ return -EINVAL;
+ return snd_tlv_convert_to_dB(rec->db_info, rec->min, rec->max,
+ volume, db_gain);
+}
+
+/* initialize dB range information, reading TLV via hcontrol
+ */
+static int init_db_range(snd_hctl_elem_t *ctl, struct selem_str *rec)
+{
+ snd_ctl_elem_info_t *info;
+ unsigned int *tlv = NULL;
+ const unsigned int tlv_size = 4096;
+ unsigned int *dbrec;
+ int db_size;
+
+ if (rec->db_init_error)
+ return -EINVAL;
+ if (rec->db_initialized)
+ return 0;
+
+ snd_ctl_elem_info_alloca(&info);
+ if (snd_hctl_elem_info(ctl, info) < 0)
+ goto error;
+ if (! snd_ctl_elem_info_is_tlv_readable(info))
+ goto error;
+ tlv = malloc(tlv_size);
+ if (! tlv)
+ return -ENOMEM;
+ if (snd_hctl_elem_tlv_read(ctl, tlv, tlv_size) < 0)
+ goto error;
+ db_size = snd_tlv_parse_dB_info(tlv, tlv_size, &dbrec);
+ if (db_size < 0)
+ goto error;
+ rec->db_info = malloc(db_size);
+ if (!rec->db_info)
+ goto error;
+ memcpy(rec->db_info, dbrec, db_size);
+ free(tlv);
+ rec->db_initialized = 1;
+ return 0;
+
+ error:
+ free(tlv);
+ rec->db_init_error = 1;
+ return -EINVAL;
+}
+
+/* get selem_ctl for TLV access */
+static selem_ctl_t *get_selem_ctl(selem_none_t *s, int dir)
+{
+ selem_ctl_t *c;
+ if (dir == SM_PLAY)
+ c = &s->ctls[CTL_PLAYBACK_VOLUME];
+ else if (dir == SM_CAPT)
+ c = &s->ctls[CTL_CAPTURE_VOLUME];
+ else
+ return NULL;
+ if (! c->elem) {
+ c = &s->ctls[CTL_GLOBAL_VOLUME];
+ if (! c->elem)
+ return NULL;
+ }
+ if (c->type != SND_CTL_ELEM_TYPE_INTEGER)
+ return NULL;
+ return c;
+}
+
+static int get_dB_range(snd_hctl_elem_t *ctl, struct selem_str *rec,
+ long *min, long *max)
+{
+ if (init_db_range(ctl, rec) < 0)
+ return -EINVAL;
+
+ return snd_tlv_get_dB_range(rec->db_info, rec->min, rec->max, min, max);
+}
+
+static int get_dB_range_ops(snd_mixer_elem_t *elem, int dir,
+ long *min, long *max)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ selem_ctl_t *c;
+
+ if (s->selem.caps & SM_CAP_GVOLUME)
+ dir = SM_PLAY;
+ c = get_selem_ctl(s, dir);
+ if (! c)
+ return -EINVAL;
+ return get_dB_range(c->elem, &s->str[dir], min, max);
+}
+
+static int convert_from_dB(snd_hctl_elem_t *ctl, struct selem_str *rec,
+ long db_gain, long *value, int xdir)
+{
+ if (init_db_range(ctl, rec) < 0)
+ return -EINVAL;
+
+ return snd_tlv_convert_from_dB(rec->db_info, rec->min, rec->max,
+ db_gain, value, xdir);
+}
+
+static int ask_vol_dB_ops(snd_mixer_elem_t *elem,
+ int dir,
+ long value,
+ long *dBvalue)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ selem_ctl_t *c;
+
+ c = get_selem_ctl(s, dir);
+ if (! c)
+ return -EINVAL;
+ int res = convert_to_dB(c->elem, &s->str[dir], value, dBvalue);
+ return res;
+}
+
+static int get_dB_ops(snd_mixer_elem_t *elem,
+ int dir,
+ snd_mixer_selem_channel_id_t channel,
+ long *value)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ selem_ctl_t *c;
+ int err;
+ long volume, db_gain;
+
+ if (s->selem.caps & SM_CAP_GVOLUME)
+ dir = SM_PLAY;
+ c = get_selem_ctl(s, dir);
+ if (! c)
+ return -EINVAL;
+ if ((err = get_volume_ops(elem, dir, channel, &volume)) < 0)
+ goto _err;
+ if ((err = convert_to_dB(c->elem, &s->str[dir], volume, &db_gain)) < 0)
+ goto _err;
+ err = 0;
+ *value = db_gain;
+ _err:
+ return err;
+}
+
+static int get_switch_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, int *value)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ if (s->selem.caps & SM_CAP_GSWITCH)
+ dir = SM_PLAY;
+ if ((unsigned int) channel >= s->str[dir].channels)
+ return -EINVAL;
+ *value = !!(s->str[dir].sw & (1 << channel));
+ return 0;
+}
+
+static int set_volume_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, long value)
+{
+ int changed;
+ changed = _snd_mixer_selem_set_volume(elem, dir, channel, value);
+ if (changed < 0)
+ return changed;
+ if (changed)
+ return selem_write(elem);
+ return 0;
+}
+
+static int ask_dB_vol_ops(snd_mixer_elem_t *elem, int dir,
+ long dbValue, long *value, int xdir)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ selem_ctl_t *c;
+
+ if (s->selem.caps & SM_CAP_GVOLUME)
+ dir = SM_PLAY;
+ c = get_selem_ctl(s, dir);
+ if (! c)
+ return -EINVAL;
+ return convert_from_dB(c->elem, &s->str[dir], dbValue, value, xdir);
+}
+
+static int set_dB_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel,
+ long db_gain, int xdir)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ selem_ctl_t *c;
+ long value;
+ int err;
+
+ if (s->selem.caps & SM_CAP_GVOLUME)
+ dir = SM_PLAY;
+ c = get_selem_ctl(s, dir);
+ if (! c)
+ return -EINVAL;
+ err = convert_from_dB(c->elem, &s->str[dir], db_gain, &value, xdir);
+ if (err < 0)
+ return err;
+ return set_volume_ops(elem, dir, channel, value);
+}
+
+static int set_switch_ops(snd_mixer_elem_t *elem, int dir,
+ snd_mixer_selem_channel_id_t channel, int value)
+{
+ int changed;
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ if (s->selem.caps & SM_CAP_GSWITCH)
+ dir = SM_PLAY;
+ if (dir == SM_PLAY) {
+ if (! (s->selem.caps & (SM_CAP_GSWITCH|SM_CAP_PSWITCH)))
+ return -EINVAL;
+ } else {
+ if (! (s->selem.caps & (SM_CAP_GSWITCH|SM_CAP_CSWITCH)))
+ return -EINVAL;
+ }
+ changed = _snd_mixer_selem_set_switch(elem, dir, channel, value);
+ if (changed < 0)
+ return changed;
+ if (changed)
+ return selem_write(elem);
+ return 0;
+}
+
+static int enum_item_name_ops(snd_mixer_elem_t *elem,
+ unsigned int item,
+ size_t maxlen, char *buf)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ snd_ctl_elem_info_t *info;
+ snd_hctl_elem_t *helem;
+ int type;
+
+ type = CTL_GLOBAL_ENUM;
+ helem = s->ctls[type].elem;
+ if (!helem) {
+ type = CTL_PLAYBACK_ENUM;
+ helem = s->ctls[type].elem;
+ }
+ if (!helem) {
+ type = CTL_CAPTURE_ENUM;
+ helem = s->ctls[type].elem;
+ }
+ assert(helem);
+ if (item >= (unsigned int)s->ctls[type].max)
+ return -EINVAL;
+ snd_ctl_elem_info_alloca(&info);
+ snd_hctl_elem_info(helem, info);
+ snd_ctl_elem_info_set_item(info, item);
+ snd_hctl_elem_info(helem, info);
+ strncpy(buf, snd_ctl_elem_info_get_item_name(info), maxlen);
+ return 0;
+}
+
+static int get_enum_item_ops(snd_mixer_elem_t *elem,
+ snd_mixer_selem_channel_id_t channel,
+ unsigned int *itemp)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ snd_ctl_elem_value_t *ctl;
+ snd_hctl_elem_t *helem;
+ int err;
+
+ if ((unsigned int) channel >= s->str[0].channels)
+ return -EINVAL;
+ helem = s->ctls[CTL_GLOBAL_ENUM].elem;
+ if (!helem) helem = s->ctls[CTL_PLAYBACK_ENUM].elem;
+ if (!helem) helem = s->ctls[CTL_CAPTURE_ENUM].elem;
+ assert(helem);
+ snd_ctl_elem_value_alloca(&ctl);
+ err = snd_hctl_elem_read(helem, ctl);
+ if (! err)
+ *itemp = snd_ctl_elem_value_get_enumerated(ctl, channel);
+ return err;
+}
+
+static int set_enum_item_ops(snd_mixer_elem_t *elem,
+ snd_mixer_selem_channel_id_t channel,
+ unsigned int item)
+{
+ selem_none_t *s = snd_mixer_elem_get_private(elem);
+ snd_ctl_elem_value_t *ctl;
+ snd_hctl_elem_t *helem;
+ int err;
+ int type;
+
+ if ((unsigned int) channel >= s->str[0].channels) {
+ return -EINVAL;
+ }
+ type = CTL_GLOBAL_ENUM;
+ helem = s->ctls[type].elem;
+ if (!helem) {
+ type = CTL_PLAYBACK_ENUM;
+ helem = s->ctls[type].elem;
+ }
+ if (!helem) {
+ type = CTL_CAPTURE_ENUM;
+ helem = s->ctls[type].elem;
+ }
+ assert(helem);
+ if (item >= (unsigned int)s->ctls[type].max) {
+ return -EINVAL;
+ }
+ snd_ctl_elem_value_alloca(&ctl);
+ err = snd_hctl_elem_read(helem, ctl);
+ if (err < 0) {
+ return err;
+ }
+ snd_ctl_elem_value_set_enumerated(ctl, channel, item);
+ return snd_hctl_elem_write(helem, ctl);
+}
+
+static struct sm_elem_ops simple_none_ops = {
+ .is = is_ops,
+ .get_range = get_range_ops,
+ .get_dB_range = get_dB_range_ops,
+ .set_range = set_range_ops,
+ .ask_vol_dB = ask_vol_dB_ops,
+ .ask_dB_vol = ask_dB_vol_ops,
+ .get_volume = get_volume_ops,
+ .get_dB = get_dB_ops,
+ .set_volume = set_volume_ops,
+ .set_dB = set_dB_ops,
+ .get_switch = get_switch_ops,
+ .set_switch = set_switch_ops,
+ .enum_item_name = enum_item_name_ops,
+ .get_enum_item = get_enum_item_ops,
+ .set_enum_item = set_enum_item_ops
+};
+
+static int simple_add1(snd_mixer_class_t *class, const char *name,
+ snd_hctl_elem_t *helem, selem_ctl_type_t type,
+ unsigned int value)
+{
+ snd_mixer_elem_t *melem;
+ snd_mixer_selem_id_t *id;
+ int new = 0;
+ int err;
+ snd_ctl_elem_info_t *info;
+ selem_none_t *simple;
+ const char *name1;
+ snd_ctl_elem_type_t ctype;
+ unsigned long values;
+
+ snd_ctl_elem_info_alloca(&info);
+ err = snd_hctl_elem_info(helem, info);
+ if (err < 0)
+ return err;
+ ctype = snd_ctl_elem_info_get_type(info);
+ values = snd_ctl_elem_info_get_count(info);
+ switch (type) {
+ case CTL_SINGLE:
+ if (ctype == SND_CTL_ELEM_TYPE_ENUMERATED)
+ type = CTL_GLOBAL_ENUM;
+ else if (ctype != SND_CTL_ELEM_TYPE_BOOLEAN &&
+ ctype != SND_CTL_ELEM_TYPE_INTEGER)
+ return 0;
+ break;
+ case CTL_GLOBAL_ROUTE:
+ case CTL_PLAYBACK_ROUTE:
+ case CTL_CAPTURE_ROUTE:
+ {
+ unsigned int n;
+ if (ctype == SND_CTL_ELEM_TYPE_ENUMERATED) {
+ if (type == CTL_PLAYBACK_ROUTE)
+ type = CTL_PLAYBACK_ENUM;
+ else if (type == CTL_CAPTURE_ROUTE)
+ type = CTL_CAPTURE_ENUM;
+ else
+ type = CTL_GLOBAL_ENUM;
+ break;
+ }
+ if (ctype != SND_CTL_ELEM_TYPE_BOOLEAN)
+ return 0;
+#ifdef HAVE_SOFT_FLOAT
+ /* up to 256 channels */
+ for (n = 1; n < 256; n++)
+ if (n * n == values)
+ break;
+#else
+ n = sqrt((double)values);
+#endif
+ if (n * n != values)
+ return 0;
+ values = n;
+ break;
+ }
+ case CTL_GLOBAL_SWITCH:
+ case CTL_PLAYBACK_SWITCH:
+ case CTL_CAPTURE_SWITCH:
+ if (ctype == SND_CTL_ELEM_TYPE_ENUMERATED) {
+ if (type == CTL_PLAYBACK_SWITCH)
+ type = CTL_PLAYBACK_ENUM;
+ else if (type == CTL_CAPTURE_SWITCH)
+ type = CTL_CAPTURE_ENUM;
+ else
+ type = CTL_GLOBAL_ENUM;
+ break;
+ }
+ if (ctype != SND_CTL_ELEM_TYPE_BOOLEAN)
+ return 0;
+ break;
+ case CTL_GLOBAL_VOLUME:
+ case CTL_PLAYBACK_VOLUME:
+ case CTL_CAPTURE_VOLUME:
+ if (ctype == SND_CTL_ELEM_TYPE_ENUMERATED) {
+ if (type == CTL_PLAYBACK_VOLUME)
+ type = CTL_PLAYBACK_ENUM;
+ else if (type == CTL_CAPTURE_VOLUME)
+ type = CTL_CAPTURE_ENUM;
+ else
+ type = CTL_GLOBAL_ENUM;
+ break;
+ }
+ if (ctype != SND_CTL_ELEM_TYPE_INTEGER)
+ return 0;
+ break;
+ case CTL_CAPTURE_SOURCE:
+ if (ctype != SND_CTL_ELEM_TYPE_ENUMERATED)
+ return 0;
+ break;
+ case CTL_GLOBAL_ENUM:
+ case CTL_PLAYBACK_ENUM:
+ case CTL_CAPTURE_ENUM:
+ if (ctype != SND_CTL_ELEM_TYPE_ENUMERATED)
+ return 0;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ name1 = get_short_name(name);
+ if (snd_mixer_selem_id_malloc(&id))
+ return -ENOMEM;
+ snd_mixer_selem_id_set_name(id, name1);
+ snd_mixer_selem_id_set_index(id, snd_hctl_elem_get_index(helem));
+ melem = snd_mixer_find_selem(snd_mixer_class_get_mixer(class), id);
+ if (!melem) {
+ simple = calloc(1, sizeof(*simple));
+ if (!simple) {
+ snd_mixer_selem_id_free(id);
+ return -ENOMEM;
+ }
+ simple->selem.id = id;
+ simple->selem.ops = &simple_none_ops;
+ err = snd_mixer_elem_new(&melem, SND_MIXER_ELEM_SIMPLE,
+ get_compare_weight(snd_mixer_selem_id_get_name(simple->selem.id), snd_mixer_selem_id_get_index(simple->selem.id)),
+ simple, selem_free);
+ if (err < 0) {
+ snd_mixer_selem_id_free(id);
+ free(simple);
+ return err;
+ }
+ new = 1;
+ } else {
+ simple = snd_mixer_elem_get_private(melem);
+ snd_mixer_selem_id_free(id);
+ }
+ if (simple->ctls[type].elem) {
+ SNDERR("helem (%s,'%s',%u,%u,%u) appears twice or more",
+ snd_ctl_elem_iface_name(snd_hctl_elem_get_interface(helem)),
+ snd_hctl_elem_get_name(helem),
+ snd_hctl_elem_get_index(helem),
+ snd_hctl_elem_get_device(helem),
+ snd_hctl_elem_get_subdevice(helem));
+ err = -EINVAL;
+ goto __error;
+ }
+ simple->ctls[type].elem = helem;
+ simple->ctls[type].type = snd_ctl_elem_info_get_type(info);
+ simple->ctls[type].inactive = snd_ctl_elem_info_is_inactive(info);
+ simple->ctls[type].values = values;
+ if ( (type == CTL_GLOBAL_ENUM) ||
+ (type == CTL_PLAYBACK_ENUM) ||
+ (type == CTL_CAPTURE_ENUM) ) {
+ simple->ctls[type].min = 0;
+ simple->ctls[type].max = snd_ctl_elem_info_get_items(info);
+ } else {
+ if (ctype == SND_CTL_ELEM_TYPE_INTEGER) {
+ simple->ctls[type].min = snd_ctl_elem_info_get_min(info);
+ simple->ctls[type].max = snd_ctl_elem_info_get_max(info);
+ }
+ }
+ switch (type) {
+ case CTL_CAPTURE_SOURCE:
+ simple->capture_item = value;
+ break;
+ default:
+ break;
+ }
+ err = snd_mixer_elem_attach(melem, helem);
+ if (err < 0)
+ goto __error;
+ err = simple_update(melem);
+ if (err < 0) {
+ if (new)
+ goto __error;
+ return err;
+ }
+ if (new)
+ err = snd_mixer_elem_add(melem, class);
+ else
+ err = snd_mixer_elem_info(melem);
+ if (err < 0)
+ return err;
+ err = selem_read(melem);
+ if (err < 0)
+ return err;
+ if (err)
+ err = snd_mixer_elem_value(melem);
+ return err;
+ __error:
+ if (new)
+ snd_mixer_elem_free(melem);
+ return -EINVAL;
+}
+
+static int simple_event_add(snd_mixer_class_t *class, snd_hctl_elem_t *helem)
+{
+ const char *name = snd_hctl_elem_get_name(helem);
+ size_t len;
+ selem_ctl_type_t type = CTL_SINGLE; /* to shut up warning */
+ if (snd_hctl_elem_get_interface(helem) != SND_CTL_ELEM_IFACE_MIXER)
+ return 0;
+ if (strcmp(name, "Capture Source") == 0) {
+ snd_ctl_elem_info_t *info;
+ unsigned int k, items;
+ int err;
+ snd_ctl_elem_info_alloca(&info);
+ err = snd_hctl_elem_info(helem, info);
+ assert(err >= 0);
+ if (snd_ctl_elem_info_get_type(info) != SND_CTL_ELEM_TYPE_ENUMERATED)
+ return 0;
+ items = snd_ctl_elem_info_get_items(info);
+ for (k = 0; k < items; ++k) {
+ const char *n;
+ snd_ctl_elem_info_set_item(info, k);
+ err = snd_hctl_elem_info(helem, info);
+ if (err < 0)
+ return err;
+ n = snd_ctl_elem_info_get_item_name(info);
+ err = simple_add1(class, n, helem, CTL_CAPTURE_SOURCE, k);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+ }
+ len = base_len(name, &type);
+ if (len == 0) {
+ return simple_add1(class, name, helem, CTL_SINGLE, 0);
+ } else {
+ char ename[128];
+ if (len >= sizeof(ename))
+ len = sizeof(ename) - 1;
+ memcpy(ename, name, len);
+ ename[len] = 0;
+ /* exception: Capture Volume and Capture Switch */
+ if (type == CTL_GLOBAL_VOLUME && !strcmp(ename, "Capture"))
+ type = CTL_CAPTURE_VOLUME;
+ else if (type == CTL_GLOBAL_SWITCH && !strcmp(ename, "Capture"))
+ type = CTL_CAPTURE_SWITCH;
+ return simple_add1(class, ename, helem, type, 0);
+ }
+}
+
+static int simple_event_remove(snd_hctl_elem_t *helem,
+ snd_mixer_elem_t *melem)
+{
+ selem_none_t *simple = snd_mixer_elem_get_private(melem);
+ int err;
+ int k;
+ for (k = 0; k <= CTL_LAST; k++) {
+ if (simple->ctls[k].elem == helem)
+ break;
+ }
+ assert(k <= CTL_LAST);
+ simple->ctls[k].elem = NULL;
+ err = snd_mixer_elem_detach(melem, helem);
+ if (err < 0)
+ return err;
+ if (snd_mixer_elem_empty(melem))
+ return snd_mixer_elem_remove(melem);
+ err = simple_update(melem);
+ return snd_mixer_elem_info(melem);
+}
+
+static int simple_event(snd_mixer_class_t *class, unsigned int mask,
+ snd_hctl_elem_t *helem, snd_mixer_elem_t *melem)
+{
+ int err;
+ if (mask == SND_CTL_EVENT_MASK_REMOVE)
+ return simple_event_remove(helem, melem);
+ if (mask & SND_CTL_EVENT_MASK_ADD) {
+ err = simple_event_add(class, helem);
+ if (err < 0)
+ return err;
+ }
+ if (mask & SND_CTL_EVENT_MASK_INFO) {
+ err = simple_event_remove(helem, melem);
+ if (err < 0)
+ return err;
+ err = simple_event_add(class, helem);
+ if (err < 0)
+ return err;
+ return 0;
+ }
+ if (mask & SND_CTL_EVENT_MASK_VALUE) {
+ err = selem_read(melem);
+ if (err < 0)
+ return err;
+ if (err) {
+ err = snd_mixer_elem_value(melem);
+ if (err < 0)
+ return err;
+ }
+ }
+ return 0;
+}
+
+/**
+ * \brief Register mixer simple element class - none abstraction
+ * \param mixer Mixer handle
+ * \param options Options container
+ * \param classp Pointer to returned mixer simple element class handle (or NULL)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_mixer_simple_none_register(snd_mixer_t *mixer,
+ struct snd_mixer_selem_regopt *options ATTRIBUTE_UNUSED,
+ snd_mixer_class_t **classp)
+{
+ snd_mixer_class_t *class;
+ int err;
+
+ if (snd_mixer_class_malloc(&class))
+ return -ENOMEM;
+ snd_mixer_class_set_event(class, simple_event);
+ snd_mixer_class_set_compare(class, snd_mixer_selem_compare);
+ err = snd_mixer_class_register(class, mixer);
+ if (err < 0) {
+ free(class);
+ return err;
+ }
+ if (classp)
+ *classp = class;
+ return 0;
+}
diff --git a/src/names.c b/src/names.c
new file mode 100644
index 0000000..000e574
--- /dev/null
+++ b/src/names.c
@@ -0,0 +1,56 @@
+/**
+ * \file names.c
+ * \ingroup Configuration
+ * \brief Configuration helper functions - device names
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2005
+ *
+ * Provide a list of device names for applications.
+ *
+ * See the \ref conf page for more details.
+ */
+/*
+ * Configuration helper functions - device names
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdarg.h>
+#include <limits.h>
+#include <sys/stat.h>
+#include "local.h"
+
+/**
+ * \brief This function is unimplemented.
+ * \deprecated Since 1.0.14
+ */
+int snd_names_list(const char *iface ATTRIBUTE_UNUSED,
+ snd_devname_t **list ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+link_warning(snd_names_list, "Warning: snd_names_list is deprecated, use snd_device_name_hint");
+
+/**
+ * \brief This function is unimplemented.
+ * \deprecated Since 1.0.14
+ */
+void snd_names_list_free(snd_devname_t *list ATTRIBUTE_UNUSED)
+{
+}
+link_warning(snd_names_list_free, "Warning: snd_names_list_free is deprecated, use snd_device_name_free_hint");
diff --git a/src/output.c b/src/output.c
new file mode 100644
index 0000000..adc461a
--- /dev/null
+++ b/src/output.c
@@ -0,0 +1,380 @@
+/**
+ * \file output.c
+ * \brief Generic stdio-like output interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000
+ *
+ * Generic stdio-like output interface
+ */
+/*
+ * Output object
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+typedef struct _snd_output_ops {
+ int (*close)(snd_output_t *output);
+ int (*print)(snd_output_t *output, const char *format, va_list args);
+ int (*puts)(snd_output_t *output, const char *str);
+ int (*putch)(snd_output_t *output, int c);
+ int (*flush)(snd_output_t *output);
+} snd_output_ops_t;
+
+struct _snd_output {
+ snd_output_type_t type;
+ const snd_output_ops_t *ops;
+ void *private_data;
+};
+#endif
+
+/**
+ * \brief Closes an output handle.
+ * \param output The output handle to be closed.
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_output_close(snd_output_t *output)
+{
+ int err = output->ops->close(output);
+ free(output);
+ return err;
+}
+
+/**
+ * \brief Writes formatted output (like \c fprintf(3)) to an output handle.
+ * \param output The output handle.
+ * \param format Format string in \c fprintf format.
+ * \param ... Other \c fprintf arguments.
+ * \return The number of characters written, or a negative error code.
+ */
+int snd_output_printf(snd_output_t *output, const char *format, ...)
+{
+ int result;
+ va_list args;
+ va_start(args, format);
+ result = output->ops->print(output, format, args);
+ va_end(args);
+ return result;
+}
+
+/**
+ * \brief Writes formatted output (like \c fprintf(3)) to an output handle.
+ * \param output The output handle.
+ * \param format Format string in \c fprintf format.
+ * \param args Other \c fprintf arguments.
+ * \return The number of characters written, or a negative error code.
+ */
+int snd_output_vprintf(snd_output_t *output, const char *format, va_list args)
+{
+ return output->ops->print(output, format, args);
+}
+
+/**
+ * \brief Writes a string to an output handle (like \c fputs(3)).
+ * \param output The output handle.
+ * \param str Pointer to the string.
+ * \return Zero if successful, otherwise a negative error code or \c EOF.
+ */
+int snd_output_puts(snd_output_t *output, const char *str)
+{
+ return output->ops->puts(output, str);
+}
+
+/**
+ * \brief Writes a character to an output handle (like \c putc(3)).
+ * \param output The output handle.
+ * \param c The character.
+ * \return Zero if successful, otherwise a negative error code or \c EOF.
+ */
+int snd_output_putc(snd_output_t *output, int c)
+{
+ return output->ops->putch(output, c);
+}
+
+/**
+ * \brief Flushes an output handle (like fflush(3)).
+ * \param output The output handle.
+ * \return Zero if successful, otherwise \c EOF.
+ *
+ * If the underlying destination is a stdio stream, this function calls
+ * \c fflush. If the underlying destination is a memory buffer, the write
+ * position is reset to the beginning of the buffer. \c =:-o
+ */
+int snd_output_flush(snd_output_t *output)
+{
+ return output->ops->flush(output);
+}
+
+#ifndef DOC_HIDDEN
+typedef struct _snd_output_stdio {
+ int close;
+ FILE *fp;
+} snd_output_stdio_t;
+
+static int snd_output_stdio_close(snd_output_t *output)
+{
+ snd_output_stdio_t *stdio = output->private_data;
+ if (stdio->close)
+ fclose(stdio->fp);
+ free(stdio);
+ return 0;
+}
+
+static int snd_output_stdio_print(snd_output_t *output, const char *format, va_list args)
+{
+ snd_output_stdio_t *stdio = output->private_data;
+ return vfprintf(stdio->fp, format, args);
+}
+
+static int snd_output_stdio_puts(snd_output_t *output, const char *str)
+{
+ snd_output_stdio_t *stdio = output->private_data;
+ return fputs(str, stdio->fp);
+}
+
+static int snd_output_stdio_putc(snd_output_t *output, int c)
+{
+ snd_output_stdio_t *stdio = output->private_data;
+ return putc(c, stdio->fp);
+}
+
+static int snd_output_stdio_flush(snd_output_t *output)
+{
+ snd_output_stdio_t *stdio = output->private_data;
+ return fflush(stdio->fp);
+}
+
+static const snd_output_ops_t snd_output_stdio_ops = {
+ .close = snd_output_stdio_close,
+ .print = snd_output_stdio_print,
+ .puts = snd_output_stdio_puts,
+ .putch = snd_output_stdio_putc,
+ .flush = snd_output_stdio_flush,
+};
+
+#endif
+
+/**
+ * \brief Creates a new output object using an existing stdio \c FILE pointer.
+ * \param outputp The function puts the pointer to the new output object
+ * at the address specified by \p outputp.
+ * \param fp The \c FILE pointer to write to. Characters are written
+ * to the file starting at the current file position.
+ * \param _close Close flag. Set this to 1 if #snd_output_close should close
+ * \p fp by calling \c fclose.
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_output_stdio_attach(snd_output_t **outputp, FILE *fp, int _close)
+{
+ snd_output_t *output;
+ snd_output_stdio_t *stdio;
+ assert(outputp && fp);
+ stdio = calloc(1, sizeof(*stdio));
+ if (!stdio)
+ return -ENOMEM;
+ output = calloc(1, sizeof(*output));
+ if (!output) {
+ free(stdio);
+ return -ENOMEM;
+ }
+ stdio->fp = fp;
+ stdio->close = _close;
+ output->type = SND_OUTPUT_STDIO;
+ output->ops = &snd_output_stdio_ops;
+ output->private_data = stdio;
+ *outputp = output;
+ return 0;
+}
+
+/**
+ * \brief Creates a new output object writing to a file.
+ * \param outputp The function puts the pointer to the new output object
+ * at the address specified by \p outputp.
+ * \param file The name of the file to open.
+ * \param mode The open mode, like \c fopen(3).
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_output_stdio_open(snd_output_t **outputp, const char *file, const char *mode)
+{
+ int err;
+ FILE *fp = fopen(file, mode);
+ if (!fp) {
+ //SYSERR("fopen");
+ return -errno;
+ }
+ err = snd_output_stdio_attach(outputp, fp, 1);
+ if (err < 0)
+ fclose(fp);
+ return err;
+}
+
+#ifndef DOC_HIDDEN
+
+typedef struct _snd_output_buffer {
+ unsigned char *buf;
+ size_t alloc;
+ size_t size;
+} snd_output_buffer_t;
+
+static int snd_output_buffer_close(snd_output_t *output)
+{
+ snd_output_buffer_t *buffer = output->private_data;
+ free(buffer->buf);
+ free(buffer);
+ return 0;
+}
+
+static int snd_output_buffer_need(snd_output_t *output, size_t size)
+{
+ snd_output_buffer_t *buffer = output->private_data;
+ size_t _free = buffer->alloc - buffer->size;
+ size_t alloc;
+ unsigned char *buf;
+
+ if (_free >= size)
+ return _free;
+ if (buffer->alloc == 0)
+ alloc = 256;
+ else
+ alloc = buffer->alloc;
+ while (alloc < buffer->size + size)
+ alloc *= 2;
+ buf = realloc(buffer->buf, alloc);
+ if (!buf)
+ return -ENOMEM;
+ buffer->buf = buf;
+ buffer->alloc = alloc;
+ return buffer->alloc - buffer->size;
+}
+
+static int snd_output_buffer_print(snd_output_t *output, const char *format, va_list args)
+{
+ snd_output_buffer_t *buffer = output->private_data;
+ size_t size = 256;
+ int result;
+ result = snd_output_buffer_need(output, size);
+ if (result < 0)
+ return result;
+ result = vsnprintf((char *)buffer->buf + buffer->size, size, format, args);
+ assert(result >= 0);
+ if ((size_t)result <= size) {
+ buffer->size += result;
+ return result;
+ }
+ size = result;
+ result = snd_output_buffer_need(output, size);
+ if (result < 0)
+ return result;
+ result = vsnprintf((char *)buffer->buf + buffer->size, result, format, args);
+ assert(result == (int)size);
+ buffer->size += result;
+ return result;
+}
+
+static int snd_output_buffer_puts(snd_output_t *output, const char *str)
+{
+ snd_output_buffer_t *buffer = output->private_data;
+ size_t size = strlen(str);
+ int err;
+ err = snd_output_buffer_need(output, size);
+ if (err < 0)
+ return err;
+ memcpy(buffer->buf + buffer->size, str, size);
+ buffer->size += size;
+ return size;
+}
+
+static int snd_output_buffer_putc(snd_output_t *output, int c)
+{
+ snd_output_buffer_t *buffer = output->private_data;
+ int err;
+ err = snd_output_buffer_need(output, 1);
+ if (err < 0)
+ return err;
+ buffer->buf[buffer->size++] = c;
+ return 0;
+}
+
+static int snd_output_buffer_flush(snd_output_t *output ATTRIBUTE_UNUSED)
+{
+ snd_output_buffer_t *buffer = output->private_data;
+ buffer->size = 0;
+ return 0;
+}
+
+static const snd_output_ops_t snd_output_buffer_ops = {
+ .close = snd_output_buffer_close,
+ .print = snd_output_buffer_print,
+ .puts = snd_output_buffer_puts,
+ .putch = snd_output_buffer_putc,
+ .flush = snd_output_buffer_flush,
+};
+#endif
+
+/**
+ * \brief Returns the address of the buffer of a #SND_OUTPUT_BUFFER output handle.
+ * \param output The output handle.
+ * \param buf The functions puts the current address of the buffer at the
+ * address specified by \p buf.
+ * \return The current size of valid data in the buffer.
+ *
+ * The address of the buffer may become invalid when output functions or
+ * #snd_output_close are called.
+ */
+size_t snd_output_buffer_string(snd_output_t *output, char **buf)
+{
+ snd_output_buffer_t *buffer = output->private_data;
+ *buf = (char *)buffer->buf;
+ return buffer->size;
+}
+
+/**
+ * \brief Creates a new output object with an auto-extending memory buffer.
+ * \param outputp The function puts the pointer to the new output object
+ * at the address specified by \p outputp.
+ * \return Zero if successful, otherwise a negative error code.
+ */
+int snd_output_buffer_open(snd_output_t **outputp)
+{
+ snd_output_t *output;
+ snd_output_buffer_t *buffer;
+ assert(outputp);
+ buffer = calloc(1, sizeof(*buffer));
+ if (!buffer)
+ return -ENOMEM;
+ output = calloc(1, sizeof(*output));
+ if (!output) {
+ free(buffer);
+ return -ENOMEM;
+ }
+ buffer->buf = NULL;
+ buffer->alloc = 0;
+ buffer->size = 0;
+ output->type = SND_OUTPUT_BUFFER;
+ output->ops = &snd_output_buffer_ops;
+ output->private_data = buffer;
+ *outputp = output;
+ return 0;
+}
+
diff --git a/src/pcm/Android.mk b/src/pcm/Android.mk
new file mode 100644
index 0000000..2ea148a
--- /dev/null
+++ b/src/pcm/Android.mk
@@ -0,0 +1,49 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ atomic.c \
+ interval.c \
+ mask.c \
+ pcm_adpcm.c \
+ pcm_alaw.c \
+ pcm_asym.c \
+ pcm.c \
+ pcm_copy.c \
+ pcm_direct.c \
+ pcm_dmix.c \
+ pcm_dshare.c \
+ pcm_dsnoop.c \
+ pcm_empty.c \
+ pcm_extplug.c \
+ pcm_file.c \
+ pcm_generic.c \
+ pcm_hooks.c \
+ pcm_hw.c \
+ pcm_iec958.c \
+ pcm_ioplug.c \
+ pcm_ladspa.c \
+ pcm_lfloat.c \
+ pcm_linear.c \
+ pcm_meter.c \
+ pcm_misc.c \
+ pcm_mmap.c \
+ pcm_mmap_emul.c \
+ pcm_mulaw.c \
+ pcm_multi.c \
+ pcm_null.c \
+ pcm_params.c \
+ pcm_plug.c \
+ pcm_plugin.c \
+ pcm_rate.c \
+ pcm_rate_linear.c \
+ pcm_route.c \
+ pcm_share.c \
+ pcm_shm.c \
+ pcm_simple.c \
+ pcm_softvol.c \
+ pcm_symbols.c
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../include
+LOCAL_MODULE := libpcm
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/pcm/Makefile.am b/src/pcm/Makefile.am
new file mode 100644
index 0000000..81598f6
--- /dev/null
+++ b/src/pcm/Makefile.am
@@ -0,0 +1,117 @@
+SUBDIRS =
+DIST_SUBDIRS = scopes
+
+EXTRA_LTLIBRARIES = libpcm.la
+
+libpcm_la_SOURCES = atomic.c mask.c interval.c \
+ pcm.c pcm_params.c pcm_simple.c \
+ pcm_hw.c pcm_misc.c pcm_mmap.c pcm_symbols.c
+
+if BUILD_PCM_PLUGIN
+libpcm_la_SOURCES += pcm_generic.c pcm_plugin.c
+endif
+if BUILD_PCM_PLUGIN_COPY
+libpcm_la_SOURCES += pcm_copy.c
+endif
+if BUILD_PCM_PLUGIN_LINEAR
+libpcm_la_SOURCES += pcm_linear.c
+endif
+if BUILD_PCM_PLUGIN_ROUTE
+libpcm_la_SOURCES += pcm_route.c
+endif
+if BUILD_PCM_PLUGIN_MULAW
+libpcm_la_SOURCES += pcm_mulaw.c
+endif
+if BUILD_PCM_PLUGIN_ALAW
+libpcm_la_SOURCES += pcm_alaw.c
+endif
+if BUILD_PCM_PLUGIN_ADPCM
+libpcm_la_SOURCES += pcm_adpcm.c
+endif
+if BUILD_PCM_PLUGIN_RATE
+libpcm_la_SOURCES += pcm_rate.c pcm_rate_linear.c
+endif
+if BUILD_PCM_PLUGIN_PLUG
+libpcm_la_SOURCES += pcm_plug.c
+endif
+if BUILD_PCM_PLUGIN_MULTI
+libpcm_la_SOURCES += pcm_multi.c
+endif
+if BUILD_PCM_PLUGIN_SHM
+libpcm_la_SOURCES += pcm_shm.c
+endif
+if BUILD_PCM_PLUGIN_FILE
+libpcm_la_SOURCES += pcm_file.c
+endif
+if BUILD_PCM_PLUGIN_NULL
+libpcm_la_SOURCES += pcm_null.c
+endif
+if BUILD_PCM_PLUGIN_EMPTY
+libpcm_la_SOURCES += pcm_empty.c
+endif
+if BUILD_PCM_PLUGIN_SHARE
+libpcm_la_SOURCES += pcm_share.c
+endif
+if BUILD_PCM_PLUGIN_METER
+libpcm_la_SOURCES += pcm_meter.c
+endif
+if BUILD_PCM_PLUGIN_HOOKS
+libpcm_la_SOURCES += pcm_hooks.c
+endif
+if BUILD_PCM_PLUGIN_LFLOAT
+libpcm_la_SOURCES += pcm_lfloat.c
+endif
+if BUILD_PCM_PLUGIN_LADSPA
+libpcm_la_SOURCES += pcm_ladspa.c
+endif
+if BUILD_PCM_PLUGIN_DMIX
+libpcm_la_SOURCES += pcm_dmix.c
+endif
+if BUILD_PCM_PLUGIN_DSHARE
+libpcm_la_SOURCES += pcm_dshare.c
+endif
+if BUILD_PCM_PLUGIN_DSNOOP
+libpcm_la_SOURCES += pcm_dsnoop.c
+endif
+if BUILD_PCM_PLUGIN_DMIX
+libpcm_la_SOURCES += pcm_direct.c
+else
+if BUILD_PCM_PLUGIN_DSHARE
+libpcm_la_SOURCES += pcm_direct.c
+else
+if BUILD_PCM_PLUGIN_DSNOOP
+libpcm_la_SOURCES += pcm_direct.c
+endif
+endif
+endif
+if BUILD_PCM_PLUGIN_ASYM
+libpcm_la_SOURCES += pcm_asym.c
+endif
+if BUILD_PCM_PLUGIN_IEC958
+libpcm_la_SOURCES += pcm_iec958.c
+endif
+if BUILD_PCM_PLUGIN_SOFTVOL
+libpcm_la_SOURCES += pcm_softvol.c
+endif
+if BUILD_PCM_PLUGIN_EXTPLUG
+libpcm_la_SOURCES += pcm_extplug.c
+endif
+if BUILD_PCM_PLUGIN_IOPLUG
+libpcm_la_SOURCES += pcm_ioplug.c
+endif
+if BUILD_PCM_PLUGIN_MMAP_EMUL
+libpcm_la_SOURCES += pcm_mmap_emul.c
+endif
+
+EXTRA_DIST = pcm_dmix_i386.c pcm_dmix_x86_64.c pcm_dmix_generic.c
+
+noinst_HEADERS = pcm_local.h pcm_plugin.h mask.h mask_inline.h \
+ interval.h interval_inline.h plugin_ops.h ladspa.h \
+ pcm_direct.h pcm_dmix_i386.h pcm_dmix_x86_64.h \
+ pcm_generic.h pcm_ext_parm.h
+
+alsadir = $(datadir)/alsa
+
+all: libpcm.la
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/pcm/Makefile.in b/src/pcm/Makefile.in
new file mode 100644
index 0000000..44ea9d8
--- /dev/null
+++ b/src/pcm/Makefile.in
@@ -0,0 +1,812 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@BUILD_PCM_PLUGIN_TRUE@am__append_1 = pcm_generic.c pcm_plugin.c
+@BUILD_PCM_PLUGIN_COPY_TRUE@am__append_2 = pcm_copy.c
+@BUILD_PCM_PLUGIN_LINEAR_TRUE@am__append_3 = pcm_linear.c
+@BUILD_PCM_PLUGIN_ROUTE_TRUE@am__append_4 = pcm_route.c
+@BUILD_PCM_PLUGIN_MULAW_TRUE@am__append_5 = pcm_mulaw.c
+@BUILD_PCM_PLUGIN_ALAW_TRUE@am__append_6 = pcm_alaw.c
+@BUILD_PCM_PLUGIN_ADPCM_TRUE@am__append_7 = pcm_adpcm.c
+@BUILD_PCM_PLUGIN_RATE_TRUE@am__append_8 = pcm_rate.c pcm_rate_linear.c
+@BUILD_PCM_PLUGIN_PLUG_TRUE@am__append_9 = pcm_plug.c
+@BUILD_PCM_PLUGIN_MULTI_TRUE@am__append_10 = pcm_multi.c
+@BUILD_PCM_PLUGIN_SHM_TRUE@am__append_11 = pcm_shm.c
+@BUILD_PCM_PLUGIN_FILE_TRUE@am__append_12 = pcm_file.c
+@BUILD_PCM_PLUGIN_NULL_TRUE@am__append_13 = pcm_null.c
+@BUILD_PCM_PLUGIN_EMPTY_TRUE@am__append_14 = pcm_empty.c
+@BUILD_PCM_PLUGIN_SHARE_TRUE@am__append_15 = pcm_share.c
+@BUILD_PCM_PLUGIN_METER_TRUE@am__append_16 = pcm_meter.c
+@BUILD_PCM_PLUGIN_HOOKS_TRUE@am__append_17 = pcm_hooks.c
+@BUILD_PCM_PLUGIN_LFLOAT_TRUE@am__append_18 = pcm_lfloat.c
+@BUILD_PCM_PLUGIN_LADSPA_TRUE@am__append_19 = pcm_ladspa.c
+@BUILD_PCM_PLUGIN_DMIX_TRUE@am__append_20 = pcm_dmix.c
+@BUILD_PCM_PLUGIN_DSHARE_TRUE@am__append_21 = pcm_dshare.c
+@BUILD_PCM_PLUGIN_DSNOOP_TRUE@am__append_22 = pcm_dsnoop.c
+@BUILD_PCM_PLUGIN_DMIX_TRUE@am__append_23 = pcm_direct.c
+@BUILD_PCM_PLUGIN_DMIX_FALSE@@BUILD_PCM_PLUGIN_DSHARE_TRUE@am__append_24 = pcm_direct.c
+@BUILD_PCM_PLUGIN_DMIX_FALSE@@BUILD_PCM_PLUGIN_DSHARE_FALSE@@BUILD_PCM_PLUGIN_DSNOOP_TRUE@am__append_25 = pcm_direct.c
+@BUILD_PCM_PLUGIN_ASYM_TRUE@am__append_26 = pcm_asym.c
+@BUILD_PCM_PLUGIN_IEC958_TRUE@am__append_27 = pcm_iec958.c
+@BUILD_PCM_PLUGIN_SOFTVOL_TRUE@am__append_28 = pcm_softvol.c
+@BUILD_PCM_PLUGIN_EXTPLUG_TRUE@am__append_29 = pcm_extplug.c
+@BUILD_PCM_PLUGIN_IOPLUG_TRUE@am__append_30 = pcm_ioplug.c
+@BUILD_PCM_PLUGIN_MMAP_EMUL_TRUE@am__append_31 = pcm_mmap_emul.c
+subdir = src/pcm
+DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
+ $(srcdir)/Makefile.in $(top_srcdir)/depcomp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
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+all: libpcm.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/pcm/atomic.c b/src/pcm/atomic.c
new file mode 100644
index 0000000..7565945
--- /dev/null
+++ b/src/pcm/atomic.c
@@ -0,0 +1,43 @@
+/*
+ * Atomic read/write
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdlib.h>
+#include <time.h>
+#include <sched.h>
+#include "iatomic.h"
+
+void snd_atomic_read_wait(snd_atomic_read_t *t)
+{
+ volatile const snd_atomic_write_t *w = t->write;
+ unsigned int loops = 0;
+ struct timespec ts;
+ while (w->begin != w->end) {
+ if (loops < MAX_SPIN_COUNT) {
+ sched_yield();
+ loops++;
+ continue;
+ }
+ loops = 0;
+ ts.tv_sec = 0;
+ ts.tv_nsec = SPIN_SLEEP_DURATION;
+ nanosleep(&ts, NULL);
+ }
+}
+
diff --git a/src/pcm/interval.c b/src/pcm/interval.c
new file mode 100644
index 0000000..6e39808
--- /dev/null
+++ b/src/pcm/interval.c
@@ -0,0 +1,441 @@
+/*
+ * Interval functions
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#define SND_INTERVAL_C
+#define SND_INTERVAL_INLINE
+
+#include <sys/types.h>
+#include <limits.h>
+#include "pcm_local.h"
+
+static inline void div64_32(u_int64_t *n, u_int32_t d, u_int32_t *rem)
+{
+ *rem = *n % d;
+ *n /= d;
+}
+
+static inline unsigned int div32(unsigned int a, unsigned int b,
+ unsigned int *r)
+{
+ if (b == 0) {
+ *r = 0;
+ return UINT_MAX;
+ }
+ *r = a % b;
+ return a / b;
+}
+
+static inline unsigned int div_down(unsigned int a, unsigned int b)
+{
+ if (b == 0)
+ return UINT_MAX;
+ return a / b;
+}
+
+static inline unsigned int div_up(unsigned int a, unsigned int b)
+{
+ unsigned int r;
+ unsigned int q;
+ if (b == 0)
+ return UINT_MAX;
+ q = div32(a, b, &r);
+ if (r)
+ ++q;
+ return q;
+}
+
+static inline unsigned int mul(unsigned int a, unsigned int b)
+{
+ if (a == 0)
+ return 0;
+ if (div_down(UINT_MAX, a) < b)
+ return UINT_MAX;
+ return a * b;
+}
+
+static inline unsigned int add(unsigned int a, unsigned int b)
+{
+ if (a >= UINT_MAX - b)
+ return UINT_MAX;
+ return a + b;
+}
+
+static inline unsigned int sub(unsigned int a, unsigned int b)
+{
+ if (a > b)
+ return a - b;
+ return 0;
+}
+
+static inline unsigned int muldiv32(unsigned int a, unsigned int b,
+ unsigned int c, unsigned int *r)
+{
+ u_int64_t n = (u_int64_t) a * b;
+ if (c == 0) {
+ assert(n > 0);
+ *r = 0;
+ return UINT_MAX;
+ }
+ div64_32(&n, c, r);
+ if (n >= UINT_MAX) {
+ *r = 0;
+ return UINT_MAX;
+ }
+ return n;
+}
+
+int snd_interval_refine_min(snd_interval_t *i, unsigned int min, int openmin)
+{
+ int changed = 0;
+ if (snd_interval_empty(i))
+ return -ENOENT;
+ if (i->min < min) {
+ i->min = min;
+ i->openmin = openmin;
+ changed = 1;
+ } else if (i->min == min && !i->openmin && openmin) {
+ i->openmin = 1;
+ changed = 1;
+ }
+ if (i->integer) {
+ if (i->openmin) {
+ i->min++;
+ i->openmin = 0;
+ }
+ }
+ if (snd_interval_checkempty(i)) {
+ snd_interval_none(i);
+ return -EINVAL;
+ }
+ return changed;
+}
+
+int snd_interval_refine_max(snd_interval_t *i, unsigned int max, int openmax)
+{
+ int changed = 0;
+ if (snd_interval_empty(i))
+ return -ENOENT;
+ if (i->max > max) {
+ i->max = max;
+ i->openmax = openmax;
+ changed = 1;
+ } else if (i->max == max && !i->openmax && openmax) {
+ i->openmax = 1;
+ changed = 1;
+ }
+ if (i->integer) {
+ if (i->openmax) {
+ i->max--;
+ i->openmax = 0;
+ }
+ }
+ if (snd_interval_checkempty(i)) {
+ snd_interval_none(i);
+ return -EINVAL;
+ }
+ return changed;
+}
+
+/* r <- v */
+int snd_interval_refine(snd_interval_t *i, const snd_interval_t *v)
+{
+ int changed = 0;
+ if (snd_interval_empty(i))
+ return -ENOENT;
+ if (i->min < v->min) {
+ i->min = v->min;
+ i->openmin = v->openmin;
+ changed = 1;
+ } else if (i->min == v->min && !i->openmin && v->openmin) {
+ i->openmin = 1;
+ changed = 1;
+ }
+ if (i->max > v->max) {
+ i->max = v->max;
+ i->openmax = v->openmax;
+ changed = 1;
+ } else if (i->max == v->max && !i->openmax && v->openmax) {
+ i->openmax = 1;
+ changed = 1;
+ }
+ if (!i->integer && v->integer) {
+ i->integer = 1;
+ changed = 1;
+ }
+ if (i->integer) {
+ if (i->openmin) {
+ i->min++;
+ i->openmin = 0;
+ }
+ if (i->openmax) {
+ i->max--;
+ i->openmax = 0;
+ }
+ } else if (!i->openmin && !i->openmax && i->min == i->max)
+ i->integer = 1;
+ if (snd_interval_checkempty(i)) {
+ snd_interval_none(i);
+ return -EINVAL;
+ }
+ return changed;
+}
+
+int snd_interval_refine_first(snd_interval_t *i)
+{
+ if (snd_interval_empty(i))
+ return -ENOENT;
+ if (snd_interval_single(i))
+ return 0;
+ i->max = i->min;
+ i->openmax = i->openmin;
+ if (i->openmax)
+ i->max++;
+ return 1;
+}
+
+int snd_interval_refine_last(snd_interval_t *i)
+{
+ if (snd_interval_empty(i))
+ return -ENOENT;
+ if (snd_interval_single(i))
+ return 0;
+ i->min = i->max;
+ i->openmin = i->openmax;
+ if (i->openmin)
+ i->min--;
+ return 1;
+}
+
+int snd_interval_refine_set(snd_interval_t *i, unsigned int val)
+{
+ snd_interval_t t;
+ t.empty = 0;
+ t.min = t.max = val;
+ t.openmin = t.openmax = 0;
+ t.integer = 1;
+ return snd_interval_refine(i, &t);
+}
+
+void snd_interval_add(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c)
+{
+ if (a->empty || b->empty) {
+ snd_interval_none(c);
+ return;
+ }
+ c->empty = 0;
+ c->min = add(a->min, b->min);
+ c->openmin = (a->openmin || b->openmin);
+ c->max = add(a->max, b->max);
+ c->openmax = (a->openmax || b->openmax);
+ c->integer = (a->integer && b->integer);
+}
+
+void snd_interval_sub(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c)
+{
+ if (a->empty || b->empty) {
+ snd_interval_none(c);
+ return;
+ }
+ c->empty = 0;
+ c->min = sub(a->min, b->max);
+ c->openmin = (a->openmin || b->openmax);
+ c->max = add(a->max, b->min);
+ c->openmax = (a->openmax || b->openmin);
+ c->integer = (a->integer && b->integer);
+}
+
+void snd_interval_mul(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c)
+{
+ if (a->empty || b->empty) {
+ snd_interval_none(c);
+ return;
+ }
+ c->empty = 0;
+ c->min = mul(a->min, b->min);
+ c->openmin = (a->openmin || b->openmin);
+ c->max = mul(a->max, b->max);
+ c->openmax = (a->openmax || b->openmax);
+ c->integer = (a->integer && b->integer);
+}
+
+void snd_interval_div(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c)
+{
+ unsigned int r;
+ if (a->empty || b->empty) {
+ snd_interval_none(c);
+ return;
+ }
+ c->empty = 0;
+ c->min = div32(a->min, b->max, &r);
+ c->openmin = (r || a->openmin || b->openmax);
+ if (b->min > 0) {
+ c->max = div32(a->max, b->min, &r);
+ if (r) {
+ c->max++;
+ c->openmax = 1;
+ } else
+ c->openmax = (a->openmax || b->openmin);
+ } else {
+ c->max = UINT_MAX;
+ c->openmax = 0;
+ }
+ c->integer = 0;
+}
+
+/* a * b / c */
+void snd_interval_muldiv(const snd_interval_t *a, const snd_interval_t *b,
+ const snd_interval_t *c, snd_interval_t *d)
+{
+ unsigned int r;
+ if (a->empty || b->empty || c->empty) {
+ snd_interval_none(d);
+ return;
+ }
+ d->empty = 0;
+ d->min = muldiv32(a->min, b->min, c->max, &r);
+ d->openmin = (r || a->openmin || b->openmin || c->openmax);
+ d->max = muldiv32(a->max, b->max, c->min, &r);
+ if (r) {
+ d->max++;
+ d->openmax = 1;
+ } else
+ d->openmax = (a->openmax || b->openmax || c->openmin);
+ d->integer = 0;
+}
+
+/* a * b / k */
+void snd_interval_muldivk(const snd_interval_t *a, const snd_interval_t *b,
+ unsigned int k, snd_interval_t *c)
+{
+ unsigned int r;
+ if (a->empty || b->empty) {
+ snd_interval_none(c);
+ return;
+ }
+ c->empty = 0;
+ c->min = muldiv32(a->min, b->min, k, &r);
+ c->openmin = (r || a->openmin || b->openmin);
+ c->max = muldiv32(a->max, b->max, k, &r);
+ if (r) {
+ c->max++;
+ c->openmax = 1;
+ } else
+ c->openmax = (a->openmax || b->openmax);
+ c->integer = 0;
+}
+
+/* a * k / b */
+void snd_interval_mulkdiv(const snd_interval_t *a, unsigned int k,
+ const snd_interval_t *b, snd_interval_t *c)
+{
+ unsigned int r;
+ if (a->empty || b->empty) {
+ snd_interval_none(c);
+ return;
+ }
+ c->empty = 0;
+ c->min = muldiv32(a->min, k, b->max, &r);
+ c->openmin = (r || a->openmin || b->openmax);
+ if (b->min > 0) {
+ c->max = muldiv32(a->max, k, b->min, &r);
+ if (r) {
+ c->max++;
+ c->openmax = 1;
+ } else
+ c->openmax = (a->openmax || b->openmin);
+ } else {
+ c->max = UINT_MAX;
+ c->openmax = 0;
+ }
+ c->integer = 0;
+}
+
+void snd_interval_print(const snd_interval_t *i, snd_output_t *out)
+{
+ if (snd_interval_empty(i))
+ snd_output_printf(out, "NONE");
+ else if (i->min == 0 && i->openmin == 0 &&
+ i->max == UINT_MAX && i->openmax == 0)
+ snd_output_printf(out, "ALL");
+ else if (snd_interval_single(i) && i->integer)
+ snd_output_printf(out, "%u", snd_interval_value(i));
+ else
+ snd_output_printf(out, "%c%u %u%c",
+ i->openmin ? '(' : '[',
+ i->min, i->max,
+ i->openmax ? ')' : ']');
+}
+
+#if 0
+static void boundary_abs(int a, int adir, int *b, int *bdir)
+{
+ if (a < 0 || (a == 0 && adir < 0)) {
+ *b = -a;
+ *bdir = -adir;
+ } else {
+ *b = a;
+ *bdir = adir;
+ }
+}
+#endif
+
+void boundary_sub(int a, int adir, int b, int bdir, int *c, int *cdir)
+{
+ adir = adir < 0 ? -1 : (adir > 0 ? 1 : 0);
+ bdir = bdir < 0 ? -1 : (bdir > 0 ? 1 : 0);
+ *c = a - b;
+ *cdir = adir - bdir;
+ if (*cdir == -2) {
+ assert(*c > INT_MIN);
+ (*c)--;
+ } else if (*cdir == 2) {
+ assert(*c < INT_MAX);
+ (*c)++;
+ }
+}
+
+int boundary_lt(unsigned int a, int adir, unsigned int b, int bdir)
+{
+ assert(a > 0 || adir >= 0);
+ assert(b > 0 || bdir >= 0);
+ if (adir < 0) {
+ a--;
+ adir = 1;
+ } else if (adir > 0)
+ adir = 1;
+ if (bdir < 0) {
+ b--;
+ bdir = 1;
+ } else if (bdir > 0)
+ bdir = 1;
+ return a < b || (a == b && adir < bdir);
+}
+
+/* Return 1 if min is nearer to best than max */
+int boundary_nearer(int min, int mindir, int best, int bestdir, int max, int maxdir)
+{
+ int dmin, dmindir;
+ int dmax, dmaxdir;
+ boundary_sub(best, bestdir, min, mindir, &dmin, &dmindir);
+ boundary_sub(max, maxdir, best, bestdir, &dmax, &dmaxdir);
+ return boundary_lt(dmin, dmindir, dmax, dmaxdir);
+}
+
diff --git a/src/pcm/interval.h b/src/pcm/interval.h
new file mode 100644
index 0000000..330b056
--- /dev/null
+++ b/src/pcm/interval.h
@@ -0,0 +1,80 @@
+/*
+ * Interval header
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+typedef struct _snd_interval snd_interval_t;
+
+#ifdef SND_INTERVAL_INLINE
+#include "interval_inline.h"
+#else
+void snd_interval_any(snd_interval_t *i);
+void snd_interval_none(snd_interval_t *i);
+int snd_interval_setinteger(snd_interval_t *i);
+int snd_interval_empty(const snd_interval_t *i);
+int snd_interval_single(const snd_interval_t *i);
+int snd_interval_value(const snd_interval_t *i);
+void snd_interval_set_value(snd_interval_t *i, unsigned int val);
+int snd_interval_min(const snd_interval_t *i);
+int snd_interval_max(const snd_interval_t *i);
+void snd_interval_set_minmax(snd_interval_t *i, unsigned int min, unsigned int max);
+int snd_interval_test(const snd_interval_t *i, unsigned int val);
+void snd_interval_copy(snd_interval_t *dst, const snd_interval_t *src);
+void snd_interval_floor(snd_interval_t *i);
+void snd_interval_unfloor(snd_interval_t *i);
+int snd_interval_always_eq(const snd_interval_t *i1, const snd_interval_t *i2);
+int snd_interval_never_eq(const snd_interval_t *i1, const snd_interval_t *i2);
+#endif
+
+/* make local functions really local */
+#define snd_interval_add snd1_interval_add
+#define snd_interval_sub snd1_interval_sub
+#define snd_interval_mul snd1_interval_mul
+#define snd_interval_div snd1_interval_div
+#define snd_interval_muldiv snd1_interval_muldiv
+#define snd_interval_muldivk snd1_interval_muldivk
+#define snd_interval_mulkdiv snd1_interval_mulkdiv
+#define snd_interval_print snd1_interval_print
+#define snd_interval_refine_min snd1_interval_refine_min
+#define snd_interval_refine_max snd1_interval_refine_max
+#define snd_interval_refine snd1_interval_refine
+#define snd_interval_refine_first snd1_interval_refine_first
+#define snd_interval_refine_last snd1_interval_refine_last
+#define snd_interval_refine_set snd1_interval_refine_set
+
+void snd_interval_add(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);
+void snd_interval_sub(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);
+void snd_interval_mul(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);
+void snd_interval_div(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c);
+void snd_interval_muldiv(const snd_interval_t *a, const snd_interval_t *b,
+ const snd_interval_t *c, snd_interval_t *d);
+void snd_interval_muldivk(const snd_interval_t *a, const snd_interval_t *b,
+ unsigned int k, snd_interval_t *c);
+void snd_interval_mulkdiv(const snd_interval_t *a, unsigned int k,
+ const snd_interval_t *b, snd_interval_t *c);
+void snd_interval_print(const snd_interval_t *i, snd_output_t *out);
+int snd_interval_refine_min(snd_interval_t *i, unsigned int min, int openmin);
+int snd_interval_refine_max(snd_interval_t *i, unsigned int max, int openmax);
+int snd_interval_refine(snd_interval_t *i, const snd_interval_t *v);
+int snd_interval_refine_first(snd_interval_t *i);
+int snd_interval_refine_last(snd_interval_t *i);
+int snd_interval_refine_set(snd_interval_t *i, unsigned int val);
+void boundary_sub(int a, int adir, int b, int bdir, int *c, int *cdir);
+int boundary_lt(unsigned int a, int adir, unsigned int b, int bdir);
+int boundary_nearer(int min, int mindir, int best, int bestdir, int max, int maxdir);
diff --git a/src/pcm/interval_inline.h b/src/pcm/interval_inline.h
new file mode 100644
index 0000000..bf6b784
--- /dev/null
+++ b/src/pcm/interval_inline.h
@@ -0,0 +1,157 @@
+/*
+ * Interval inlines
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#define INTERVAL_INLINE static inline
+
+INTERVAL_INLINE void snd_interval_any(snd_interval_t *i)
+{
+ i->min = 0;
+ i->openmin = 0;
+ i->max = UINT_MAX;
+ i->openmax = 0;
+ i->integer = 0;
+ i->empty = 0;
+}
+
+INTERVAL_INLINE void snd_interval_none(snd_interval_t *i)
+{
+ i->empty = 1;
+}
+
+INTERVAL_INLINE int snd_interval_checkempty(const snd_interval_t *i)
+{
+ return (i->min > i->max ||
+ (i->min == i->max && (i->openmin || i->openmax)));
+}
+
+INTERVAL_INLINE int snd_interval_empty(const snd_interval_t *i)
+{
+ return i->empty;
+}
+
+INTERVAL_INLINE int snd_interval_single(const snd_interval_t *i)
+{
+ assert(!snd_interval_empty(i));
+ return (i->min == i->max ||
+ (i->min + 1 == i->max && i->openmax));
+}
+
+INTERVAL_INLINE int snd_interval_value(const snd_interval_t *i)
+{
+ assert(snd_interval_single(i));
+ return i->min;
+}
+
+INTERVAL_INLINE void snd_interval_set_value(snd_interval_t *i, unsigned int val)
+{
+ i->openmax = i->openmin = 0;
+ i->min = i->max = val;
+ i->integer = 0;
+ i->empty = 0;
+}
+
+INTERVAL_INLINE int snd_interval_min(const snd_interval_t *i)
+{
+ assert(!snd_interval_empty(i));
+ return i->min;
+}
+
+INTERVAL_INLINE int snd_interval_max(const snd_interval_t *i)
+{
+ assert(!snd_interval_empty(i));
+ return i->max;
+}
+
+INTERVAL_INLINE void snd_interval_set_minmax(snd_interval_t *i, unsigned int min, unsigned int max)
+{
+ i->openmax = i->openmin = 0;
+ i->min = min;
+ i->max = max;
+ i->integer = 0;
+ i->empty = 0;
+}
+
+INTERVAL_INLINE int snd_interval_test(const snd_interval_t *i, unsigned int val)
+{
+ return !((i->min > val || (i->min == val && i->openmin) ||
+ i->max < val || (i->max == val && i->openmax)));
+}
+
+INTERVAL_INLINE void snd_interval_copy(snd_interval_t *d, const snd_interval_t *s)
+{
+ *d = *s;
+}
+
+INTERVAL_INLINE int snd_interval_setinteger(snd_interval_t *i)
+{
+ if (i->integer)
+ return 0;
+ if (i->openmin && i->openmax && i->min == i->max)
+ return -EINVAL;
+ i->integer = 1;
+ return 1;
+}
+
+INTERVAL_INLINE void snd_interval_floor(snd_interval_t *i)
+{
+ if (i->integer || snd_interval_empty(i))
+ return;
+ i->openmin = 0;
+ if (i->openmax) {
+ i->max--;
+ i->openmax = 0;
+ }
+ i->integer = 1;
+}
+
+INTERVAL_INLINE void snd_interval_unfloor(snd_interval_t *i)
+{
+ if (snd_interval_empty(i))
+ return;
+ if (i->max == UINT_MAX)
+ return;
+ if (i->openmax)
+ return;
+ i->max++;
+ i->openmax = 1;
+ i->integer = 0;
+}
+
+
+INTERVAL_INLINE int snd_interval_always_eq(const snd_interval_t *i1, const snd_interval_t *i2)
+{
+ return snd_interval_single(i1) && snd_interval_single(i2) &&
+ snd_interval_value(i1) == snd_interval_value(i2);
+}
+
+INTERVAL_INLINE int snd_interval_never_eq(const snd_interval_t *i1, const snd_interval_t *i2)
+{
+
+ return (i1->max < i2->min ||
+ (i1->max == i2->min &&
+ (i1->openmax || i1->openmin)) ||
+ i1->min > i2->max ||
+ (i1->min == i2->max &&
+ (i1->openmin || i2->openmax)));
+}
+
+
+
diff --git a/src/pcm/ladspa.h b/src/pcm/ladspa.h
new file mode 100644
index 0000000..5c30a8a
--- /dev/null
+++ b/src/pcm/ladspa.h
@@ -0,0 +1,603 @@
+/* ladspa.h
+
+ Linux Audio Developer's Simple Plugin API Version 1.1[LGPL].
+ Copyright (C) 2000-2002 Richard W.E. Furse, Paul Barton-Davis,
+ Stefan Westerfeld.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License
+ as published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA. */
+
+#ifndef LADSPA_INCLUDED
+#define LADSPA_INCLUDED
+
+#define LADSPA_VERSION "1.1"
+#define LADSPA_VERSION_MAJOR 1
+#define LADSPA_VERSION_MINOR 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*****************************************************************************/
+
+/* Overview:
+
+ There is a large number of synthesis packages in use or development
+ on the Linux platform at this time. This API (`The Linux Audio
+ Developer's Simple Plugin API') attempts to give programmers the
+ ability to write simple `plugin' audio processors in C/C++ and link
+ them dynamically (`plug') into a range of these packages (`hosts').
+ It should be possible for any host and any plugin to communicate
+ completely through this interface.
+
+ This API is deliberately short and simple. To achieve compatibility
+ with a range of promising Linux sound synthesis packages it
+ attempts to find the `greatest common divisor' in their logical
+ behaviour. Having said this, certain limiting decisions are
+ implicit, notably the use of a fixed type (LADSPA_Data) for all
+ data transfer and absence of a parameterised `initialisation'
+ phase. See below for the LADSPA_Data typedef.
+
+ Plugins are expected to distinguish between control and audio
+ data. Plugins have `ports' that are inputs or outputs for audio or
+ control data and each plugin is `run' for a `block' corresponding
+ to a short time interval measured in samples. Audio data is
+ communicated using arrays of LADSPA_Data, allowing a block of audio
+ to be processed by the plugin in a single pass. Control data is
+ communicated using single LADSPA_Data values. Control data has a
+ single value at the start of a call to the `run()' or `run_adding()'
+ function, and may be considered to remain this value for its
+ duration. The plugin may assume that all its input and output ports
+ have been connected to the relevant data location (see the
+ `connect_port()' function below) before it is asked to run.
+
+ Plugins will reside in shared object files suitable for dynamic
+ linking by dlopen() and family. The file will provide a number of
+ `plugin types' that can be used to instantiate actual plugins
+ (sometimes known as `plugin instances') that can be connected
+ together to perform tasks.
+
+ This API contains very limited error-handling. */
+
+/*****************************************************************************/
+
+/* Fundamental data type passed in and out of plugin. This data type
+ is used to communicate audio samples and control values. It is
+ assumed that the plugin will work sensibly given any numeric input
+ value although it may have a preferred range (see hints below).
+
+ For audio it is generally assumed that 1.0f is the `0dB' reference
+ amplitude and is a `normal' signal level. */
+
+typedef float LADSPA_Data;
+
+/*****************************************************************************/
+
+/* Special Plugin Properties:
+
+ Optional features of the plugin type are encapsulated in the
+ LADSPA_Properties type. This is assembled by ORing individual
+ properties together. */
+
+typedef int LADSPA_Properties;
+
+/* Property LADSPA_PROPERTY_REALTIME indicates that the plugin has a
+ real-time dependency (e.g. listens to a MIDI device) and so its
+ output must not be cached or subject to significant latency. */
+#define LADSPA_PROPERTY_REALTIME 0x1
+
+/* Property LADSPA_PROPERTY_INPLACE_BROKEN indicates that the plugin
+ may cease to work correctly if the host elects to use the same data
+ location for both input and output (see connect_port()). This
+ should be avoided as enabling this flag makes it impossible for
+ hosts to use the plugin to process audio `in-place.' */
+#define LADSPA_PROPERTY_INPLACE_BROKEN 0x2
+
+/* Property LADSPA_PROPERTY_HARD_RT_CAPABLE indicates that the plugin
+ is capable of running not only in a conventional host but also in a
+ `hard real-time' environment. To qualify for this the plugin must
+ satisfy all of the following:
+
+ (1) The plugin must not use malloc(), free() or other heap memory
+ management within its run() or run_adding() functions. All new
+ memory used in run() must be managed via the stack. These
+ restrictions only apply to the run() function.
+
+ (2) The plugin will not attempt to make use of any library
+ functions with the exceptions of functions in the ANSI standard C
+ and C maths libraries, which the host is expected to provide.
+
+ (3) The plugin will not access files, devices, pipes, sockets, IPC
+ or any other mechanism that might result in process or thread
+ blocking.
+
+ (4) The plugin will take an amount of time to execute a run() or
+ run_adding() call approximately of form (A+B*SampleCount) where A
+ and B depend on the machine and host in use. This amount of time
+ may not depend on input signals or plugin state. The host is left
+ the responsibility to perform timings to estimate upper bounds for
+ A and B. */
+#define LADSPA_PROPERTY_HARD_RT_CAPABLE 0x4
+
+#define LADSPA_IS_REALTIME(x) ((x) & LADSPA_PROPERTY_REALTIME)
+#define LADSPA_IS_INPLACE_BROKEN(x) ((x) & LADSPA_PROPERTY_INPLACE_BROKEN)
+#define LADSPA_IS_HARD_RT_CAPABLE(x) ((x) & LADSPA_PROPERTY_HARD_RT_CAPABLE)
+
+/*****************************************************************************/
+
+/* Plugin Ports:
+
+ Plugins have `ports' that are inputs or outputs for audio or
+ data. Ports can communicate arrays of LADSPA_Data (for audio
+ inputs/outputs) or single LADSPA_Data values (for control
+ input/outputs). This information is encapsulated in the
+ LADSPA_PortDescriptor type which is assembled by ORing individual
+ properties together.
+
+ Note that a port must be an input or an output port but not both
+ and that a port must be a control or audio port but not both. */
+
+typedef int LADSPA_PortDescriptor;
+
+/* Property LADSPA_PORT_INPUT indicates that the port is an input. */
+#define LADSPA_PORT_INPUT 0x1
+
+/* Property LADSPA_PORT_OUTPUT indicates that the port is an output. */
+#define LADSPA_PORT_OUTPUT 0x2
+
+/* Property LADSPA_PORT_CONTROL indicates that the port is a control
+ port. */
+#define LADSPA_PORT_CONTROL 0x4
+
+/* Property LADSPA_PORT_AUDIO indicates that the port is a audio
+ port. */
+#define LADSPA_PORT_AUDIO 0x8
+
+#define LADSPA_IS_PORT_INPUT(x) ((x) & LADSPA_PORT_INPUT)
+#define LADSPA_IS_PORT_OUTPUT(x) ((x) & LADSPA_PORT_OUTPUT)
+#define LADSPA_IS_PORT_CONTROL(x) ((x) & LADSPA_PORT_CONTROL)
+#define LADSPA_IS_PORT_AUDIO(x) ((x) & LADSPA_PORT_AUDIO)
+
+/*****************************************************************************/
+
+/* Plugin Port Range Hints:
+
+ The host may wish to provide a representation of data entering or
+ leaving a plugin (e.g. to generate a GUI automatically). To make
+ this more meaningful, the plugin should provide `hints' to the host
+ describing the usual values taken by the data.
+
+ Note that these are only hints. The host may ignore them and the
+ plugin must not assume that data supplied to it is meaningful. If
+ the plugin receives invalid input data it is expected to continue
+ to run without failure and, where possible, produce a sensible
+ output (e.g. a high-pass filter given a negative cutoff frequency
+ might switch to an all-pass mode).
+
+ Hints are meaningful for all input and output ports but hints for
+ input control ports are expected to be particularly useful.
+
+ More hint information is encapsulated in the
+ LADSPA_PortRangeHintDescriptor type which is assembled by ORing
+ individual hint types together. Hints may require further
+ LowerBound and UpperBound information.
+
+ All the hint information for a particular port is aggregated in the
+ LADSPA_PortRangeHint structure. */
+
+typedef int LADSPA_PortRangeHintDescriptor;
+
+/* Hint LADSPA_HINT_BOUNDED_BELOW indicates that the LowerBound field
+ of the LADSPA_PortRangeHint should be considered meaningful. The
+ value in this field should be considered the (inclusive) lower
+ bound of the valid range. If LADSPA_HINT_SAMPLE_RATE is also
+ specified then the value of LowerBound should be multiplied by the
+ sample rate. */
+#define LADSPA_HINT_BOUNDED_BELOW 0x1
+
+/* Hint LADSPA_HINT_BOUNDED_ABOVE indicates that the UpperBound field
+ of the LADSPA_PortRangeHint should be considered meaningful. The
+ value in this field should be considered the (inclusive) upper
+ bound of the valid range. If LADSPA_HINT_SAMPLE_RATE is also
+ specified then the value of UpperBound should be multiplied by the
+ sample rate. */
+#define LADSPA_HINT_BOUNDED_ABOVE 0x2
+
+/* Hint LADSPA_HINT_TOGGLED indicates that the data item should be
+ considered a Boolean toggle. Data less than or equal to zero should
+ be considered `off' or `false,' and data above zero should be
+ considered `on' or `true.' LADSPA_HINT_TOGGLED may not be used in
+ conjunction with any other hint except LADSPA_HINT_DEFAULT_0 or
+ LADSPA_HINT_DEFAULT_1. */
+#define LADSPA_HINT_TOGGLED 0x4
+
+/* Hint LADSPA_HINT_SAMPLE_RATE indicates that any bounds specified
+ should be interpreted as multiples of the sample rate. For
+ instance, a frequency range from 0Hz to the Nyquist frequency (half
+ the sample rate) could be requested by this hint in conjunction
+ with LowerBound = 0 and UpperBound = 0.5. Hosts that support bounds
+ at all must support this hint to retain meaning. */
+#define LADSPA_HINT_SAMPLE_RATE 0x8
+
+/* Hint LADSPA_HINT_LOGARITHMIC indicates that it is likely that the
+ user will find it more intuitive to view values using a logarithmic
+ scale. This is particularly useful for frequencies and gains. */
+#define LADSPA_HINT_LOGARITHMIC 0x10
+
+/* Hint LADSPA_HINT_INTEGER indicates that a user interface would
+ probably wish to provide a stepped control taking only integer
+ values. Any bounds set should be slightly wider than the actual
+ integer range required to avoid floating point rounding errors. For
+ instance, the integer set {0,1,2,3} might be described as [-0.1,
+ 3.1]. */
+#define LADSPA_HINT_INTEGER 0x20
+
+/* The various LADSPA_HINT_HAS_DEFAULT_* hints indicate a `normal'
+ value for the port that is sensible as a default. For instance,
+ this value is suitable for use as an initial value in a user
+ interface or as a value the host might assign to a control port
+ when the user has not provided one. Defaults are encoded using a
+ mask so only one default may be specified for a port. Some of the
+ hints make use of lower and upper bounds, in which case the
+ relevant bound or bounds must be available and
+ LADSPA_HINT_SAMPLE_RATE must be applied as usual. The resulting
+ default must be rounded if LADSPA_HINT_INTEGER is present. Default
+ values were introduced in LADSPA v1.1. */
+#define LADSPA_HINT_DEFAULT_MASK 0x3C0
+
+/* This default values indicates that no default is provided. */
+#define LADSPA_HINT_DEFAULT_NONE 0x0
+
+/* This default hint indicates that the suggested lower bound for the
+ port should be used. */
+#define LADSPA_HINT_DEFAULT_MINIMUM 0x40
+
+/* This default hint indicates that a low value between the suggested
+ lower and upper bounds should be chosen. For ports with
+ LADSPA_HINT_LOGARITHMIC, this should be exp(log(lower) * 0.75 +
+ log(upper) * 0.25). Otherwise, this should be (lower * 0.75 + upper
+ * 0.25). */
+#define LADSPA_HINT_DEFAULT_LOW 0x80
+
+/* This default hint indicates that a middle value between the
+ suggested lower and upper bounds should be chosen. For ports with
+ LADSPA_HINT_LOGARITHMIC, this should be exp(log(lower) * 0.5 +
+ log(upper) * 0.5). Otherwise, this should be (lower * 0.5 + upper *
+ 0.5). */
+#define LADSPA_HINT_DEFAULT_MIDDLE 0xC0
+
+/* This default hint indicates that a high value between the suggested
+ lower and upper bounds should be chosen. For ports with
+ LADSPA_HINT_LOGARITHMIC, this should be exp(log(lower) * 0.25 +
+ log(upper) * 0.75). Otherwise, this should be (lower * 0.25 + upper
+ * 0.75). */
+#define LADSPA_HINT_DEFAULT_HIGH 0x100
+
+/* This default hint indicates that the suggested upper bound for the
+ port should be used. */
+#define LADSPA_HINT_DEFAULT_MAXIMUM 0x140
+
+/* This default hint indicates that the number 0 should be used. Note
+ that this default may be used in conjunction with
+ LADSPA_HINT_TOGGLED. */
+#define LADSPA_HINT_DEFAULT_0 0x200
+
+/* This default hint indicates that the number 1 should be used. Note
+ that this default may be used in conjunction with
+ LADSPA_HINT_TOGGLED. */
+#define LADSPA_HINT_DEFAULT_1 0x240
+
+/* This default hint indicates that the number 100 should be used. */
+#define LADSPA_HINT_DEFAULT_100 0x280
+
+/* This default hint indicates that the Hz frequency of `concert A'
+ should be used. This will be 440 unless the host uses an unusual
+ tuning convention, in which case it may be within a few Hz. */
+#define LADSPA_HINT_DEFAULT_440 0x2C0
+
+#define LADSPA_IS_HINT_BOUNDED_BELOW(x) ((x) & LADSPA_HINT_BOUNDED_BELOW)
+#define LADSPA_IS_HINT_BOUNDED_ABOVE(x) ((x) & LADSPA_HINT_BOUNDED_ABOVE)
+#define LADSPA_IS_HINT_TOGGLED(x) ((x) & LADSPA_HINT_TOGGLED)
+#define LADSPA_IS_HINT_SAMPLE_RATE(x) ((x) & LADSPA_HINT_SAMPLE_RATE)
+#define LADSPA_IS_HINT_LOGARITHMIC(x) ((x) & LADSPA_HINT_LOGARITHMIC)
+#define LADSPA_IS_HINT_INTEGER(x) ((x) & LADSPA_HINT_INTEGER)
+
+#define LADSPA_IS_HINT_HAS_DEFAULT(x) ((x) & LADSPA_HINT_DEFAULT_MASK)
+#define LADSPA_IS_HINT_DEFAULT_MINIMUM(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_MINIMUM)
+#define LADSPA_IS_HINT_DEFAULT_LOW(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_LOW)
+#define LADSPA_IS_HINT_DEFAULT_MIDDLE(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_MIDDLE)
+#define LADSPA_IS_HINT_DEFAULT_HIGH(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_HIGH)
+#define LADSPA_IS_HINT_DEFAULT_MAXIMUM(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_MAXIMUM)
+#define LADSPA_IS_HINT_DEFAULT_0(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_0)
+#define LADSPA_IS_HINT_DEFAULT_1(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_1)
+#define LADSPA_IS_HINT_DEFAULT_100(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_100)
+#define LADSPA_IS_HINT_DEFAULT_440(x) (((x) & LADSPA_HINT_DEFAULT_MASK) \
+ == LADSPA_HINT_DEFAULT_440)
+
+typedef struct _LADSPA_PortRangeHint {
+
+ /* Hints about the port. */
+ LADSPA_PortRangeHintDescriptor HintDescriptor;
+
+ /* Meaningful when hint LADSPA_HINT_BOUNDED_BELOW is active. When
+ LADSPA_HINT_SAMPLE_RATE is also active then this value should be
+ multiplied by the relevant sample rate. */
+ LADSPA_Data LowerBound;
+
+ /* Meaningful when hint LADSPA_HINT_BOUNDED_ABOVE is active. When
+ LADSPA_HINT_SAMPLE_RATE is also active then this value should be
+ multiplied by the relevant sample rate. */
+ LADSPA_Data UpperBound;
+
+} LADSPA_PortRangeHint;
+
+/*****************************************************************************/
+
+/* Plugin Handles:
+
+ This plugin handle indicates a particular instance of the plugin
+ concerned. It is valid to compare this to NULL (0 for C++) but
+ otherwise the host should not attempt to interpret it. The plugin
+ may use it to reference internal instance data. */
+
+typedef void * LADSPA_Handle;
+
+/*****************************************************************************/
+
+/* Descriptor for a Type of Plugin:
+
+ This structure is used to describe a plugin type. It provides a
+ number of functions to examine the type, instantiate it, link it to
+ buffers and workspaces and to run it. */
+
+typedef struct _LADSPA_Descriptor {
+
+ /* This numeric identifier indicates the plugin type
+ uniquely. Plugin programmers may reserve ranges of IDs from a
+ central body to avoid clashes. Hosts may assume that IDs are
+ below 0x1000000. */
+ unsigned long UniqueID;
+
+ /* This identifier can be used as a unique, case-sensitive
+ identifier for the plugin type within the plugin file. Plugin
+ types should be identified by file and label rather than by index
+ or plugin name, which may be changed in new plugin
+ versions. Labels must not contain white-space characters. */
+ const char * Label;
+
+ /* This indicates a number of properties of the plugin. */
+ LADSPA_Properties Properties;
+
+ /* This member points to the null-terminated name of the plugin
+ (e.g. "Sine Oscillator"). */
+ const char * Name;
+
+ /* This member points to the null-terminated string indicating the
+ maker of the plugin. This can be an empty string but not NULL. */
+ const char * Maker;
+
+ /* This member points to the null-terminated string indicating any
+ copyright applying to the plugin. If no Copyright applies the
+ string "None" should be used. */
+ const char * Copyright;
+
+ /* This indicates the number of ports (input AND output) present on
+ the plugin. */
+ unsigned long PortCount;
+
+ /* This member indicates an array of port descriptors. Valid indices
+ vary from 0 to PortCount-1. */
+ const LADSPA_PortDescriptor * PortDescriptors;
+
+ /* This member indicates an array of null-terminated strings
+ describing ports (e.g. "Frequency (Hz)"). Valid indices vary from
+ 0 to PortCount-1. */
+ const char * const * PortNames;
+
+ /* This member indicates an array of range hints for each port (see
+ above). Valid indices vary from 0 to PortCount-1. */
+ const LADSPA_PortRangeHint * PortRangeHints;
+
+ /* This may be used by the plugin developer to pass any custom
+ implementation data into an instantiate call. It must not be used
+ or interpreted by the host. It is expected that most plugin
+ writers will not use this facility as LADSPA_Handle should be
+ used to hold instance data. */
+ void * ImplementationData;
+
+ /* This member is a function pointer that instantiates a plugin. A
+ handle is returned indicating the new plugin instance. The
+ instantiation function accepts a sample rate as a parameter. The
+ plugin descriptor from which this instantiate function was found
+ must also be passed. This function must return NULL if
+ instantiation fails.
+
+ Note that instance initialisation should generally occur in
+ activate() rather than here. */
+ LADSPA_Handle (*instantiate)(const struct _LADSPA_Descriptor * Descriptor,
+ unsigned long SampleRate);
+
+ /* This member is a function pointer that connects a port on an
+ instantiated plugin to a memory location at which a block of data
+ for the port will be read/written. The data location is expected
+ to be an array of LADSPA_Data for audio ports or a single
+ LADSPA_Data value for control ports. Memory issues will be
+ managed by the host. The plugin must read/write the data at these
+ locations every time run() or run_adding() is called and the data
+ present at the time of this connection call should not be
+ considered meaningful.
+
+ connect_port() may be called more than once for a plugin instance
+ to allow the host to change the buffers that the plugin is
+ reading or writing. These calls may be made before or after
+ activate() or deactivate() calls.
+
+ connect_port() must be called at least once for each port before
+ run() or run_adding() is called. When working with blocks of
+ LADSPA_Data the plugin should pay careful attention to the block
+ size passed to the run function as the block allocated may only
+ just be large enough to contain the block of samples.
+
+ Plugin writers should be aware that the host may elect to use the
+ same buffer for more than one port and even use the same buffer
+ for both input and output (see LADSPA_PROPERTY_INPLACE_BROKEN).
+ However, overlapped buffers or use of a single buffer for both
+ audio and control data may result in unexpected behaviour. */
+ void (*connect_port)(LADSPA_Handle Instance,
+ unsigned long Port,
+ LADSPA_Data * DataLocation);
+
+ /* This member is a function pointer that initialises a plugin
+ instance and activates it for use. This is separated from
+ instantiate() to aid real-time support and so that hosts can
+ reinitialise a plugin instance by calling deactivate() and then
+ activate(). In this case the plugin instance must reset all state
+ information dependent on the history of the plugin instance
+ except for any data locations provided by connect_port() and any
+ gain set by set_run_adding_gain(). If there is nothing for
+ activate() to do then the plugin writer may provide a NULL rather
+ than an empty function.
+
+ When present, hosts must call this function once before run() (or
+ run_adding()) is called for the first time. This call should be
+ made as close to the run() call as possible and indicates to
+ real-time plugins that they are now live. Plugins should not rely
+ on a prompt call to run() after activate(). activate() may not be
+ called again unless deactivate() is called first. Note that
+ connect_port() may be called before or after a call to
+ activate(). */
+ void (*activate)(LADSPA_Handle Instance);
+
+ /* This method is a function pointer that runs an instance of a
+ plugin for a block. Two parameters are required: the first is a
+ handle to the particular instance to be run and the second
+ indicates the block size (in samples) for which the plugin
+ instance may run.
+
+ Note that if an activate() function exists then it must be called
+ before run() or run_adding(). If deactivate() is called for a
+ plugin instance then the plugin instance may not be reused until
+ activate() has been called again.
+
+ If the plugin has the property LADSPA_PROPERTY_HARD_RT_CAPABLE
+ then there are various things that the plugin should not do
+ within the run() or run_adding() functions (see above). */
+ void (*run)(LADSPA_Handle Instance,
+ unsigned long SampleCount);
+
+ /* This method is a function pointer that runs an instance of a
+ plugin for a block. This has identical behaviour to run() except
+ in the way data is output from the plugin. When run() is used,
+ values are written directly to the memory areas associated with
+ the output ports. However when run_adding() is called, values
+ must be added to the values already present in the memory
+ areas. Furthermore, output values written must be scaled by the
+ current gain set by set_run_adding_gain() (see below) before
+ addition.
+
+ run_adding() is optional. When it is not provided by a plugin,
+ this function pointer must be set to NULL. When it is provided,
+ the function set_run_adding_gain() must be provided also. */
+ void (*run_adding)(LADSPA_Handle Instance,
+ unsigned long SampleCount);
+
+ /* This method is a function pointer that sets the output gain for
+ use when run_adding() is called (see above). If this function is
+ never called the gain is assumed to default to 1. Gain
+ information should be retained when activate() or deactivate()
+ are called.
+
+ This function should be provided by the plugin if and only if the
+ run_adding() function is provided. When it is absent this
+ function pointer must be set to NULL. */
+ void (*set_run_adding_gain)(LADSPA_Handle Instance,
+ LADSPA_Data Gain);
+
+ /* This is the counterpart to activate() (see above). If there is
+ nothing for deactivate() to do then the plugin writer may provide
+ a NULL rather than an empty function.
+
+ Hosts must deactivate all activated units after they have been
+ run() (or run_adding()) for the last time. This call should be
+ made as close to the last run() call as possible and indicates to
+ real-time plugins that they are no longer live. Plugins should
+ not rely on prompt deactivation. Note that connect_port() may be
+ called before or after a call to deactivate().
+
+ Deactivation is not similar to pausing as the plugin instance
+ will be reinitialised when activate() is called to reuse it. */
+ void (*deactivate)(LADSPA_Handle Instance);
+
+ /* Once an instance of a plugin has been finished with it can be
+ deleted using the following function. The instance handle passed
+ ceases to be valid after this call.
+
+ If activate() was called for a plugin instance then a
+ corresponding call to deactivate() must be made before cleanup()
+ is called. */
+ void (*cleanup)(LADSPA_Handle Instance);
+
+} LADSPA_Descriptor;
+
+/**********************************************************************/
+
+/* Accessing a Plugin: */
+
+/* The exact mechanism by which plugins are loaded is host-dependent,
+ however all most hosts will need to know is the name of shared
+ object file containing the plugin types. To allow multiple hosts to
+ share plugin types, hosts may wish to check for environment
+ variable LADSPA_PATH. If present, this should contain a
+ colon-separated path indicating directories that should be searched
+ (in order) when loading plugin types.
+
+ A plugin programmer must include a function called
+ "ladspa_descriptor" with the following function prototype within
+ the shared object file. This function will have C-style linkage (if
+ you are using C++ this is taken care of by the `extern "C"' clause
+ at the top of the file).
+
+ A host will find the plugin shared object file by one means or
+ another, find the ladspa_descriptor() function, call it, and
+ proceed from there.
+
+ Plugin types are accessed by index (not ID) using values from 0
+ upwards. Out of range indexes must result in this function
+ returning NULL, so the plugin count can be determined by checking
+ for the least index that results in NULL being returned. */
+
+const LADSPA_Descriptor * ladspa_descriptor(unsigned long Index);
+
+/* Datatype corresponding to the ladspa_descriptor() function. */
+typedef const LADSPA_Descriptor *
+(*LADSPA_Descriptor_Function)(unsigned long Index);
+
+/**********************************************************************/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LADSPA_INCLUDED */
+
+/* EOF */
diff --git a/src/pcm/mask.c b/src/pcm/mask.c
new file mode 100644
index 0000000..ebf1072
--- /dev/null
+++ b/src/pcm/mask.c
@@ -0,0 +1,28 @@
+/*
+ * Mask functions
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#define SND_MASK_C
+#define SND_MASK_INLINE
+
+#include <sys/types.h>
+#include <limits.h>
+#include "pcm_local.h"
+
diff --git a/src/pcm/mask.h b/src/pcm/mask.h
new file mode 100644
index 0000000..ab80f20
--- /dev/null
+++ b/src/pcm/mask.h
@@ -0,0 +1,57 @@
+/*
+ * Mask header
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+typedef struct _snd_mask snd_mask_t;
+
+#define SND_MASK_MAX 64
+
+#ifdef SND_MASK_INLINE
+#include "mask_inline.h"
+#else
+void snd_mask_none(snd_mask_t *mask);
+void snd_mask_any(snd_mask_t *mask);
+void snd_mask_load(snd_mask_t *mask, unsigned int msk);
+int snd_mask_empty(const snd_mask_t *mask);
+int snd_mask_full(const snd_mask_t *mask);
+void snd_mask_set(snd_mask_t *mask, unsigned int val);
+void snd_mask_reset(snd_mask_t *mask, unsigned int val);
+void snd_mask_copy(snd_mask_t *mask, const snd_mask_t *v);
+int snd_mask_test(const snd_mask_t *mask, unsigned int val);
+void snd_mask_intersect(snd_mask_t *mask, const snd_mask_t *v);
+void snd_mask_union(snd_mask_t *mask, const snd_mask_t *v);
+unsigned int snd_mask_count(const snd_mask_t *mask);
+unsigned int snd_mask_min(const snd_mask_t *mask);
+unsigned int snd_mask_max(const snd_mask_t *mask);
+void snd_mask_set_range(snd_mask_t *mask, unsigned int from, unsigned int to);
+void snd_mask_reset_range(snd_mask_t *mask, unsigned int from, unsigned int to);
+void snd_mask_leave(snd_mask_t *mask, unsigned int val);
+int snd_mask_eq(const snd_mask_t *mask, const snd_mask_t *v);
+int snd_mask_single(const snd_mask_t *mask);
+int snd_mask_refine(snd_mask_t *mask, const snd_mask_t *v);
+int snd_mask_refine_first(snd_mask_t *mask);
+int snd_mask_refine_last(snd_mask_t *mask);
+int snd_mask_refine_min(snd_mask_t *mask, unsigned int val);
+int snd_mask_refine_max(snd_mask_t *mask, unsigned int val);
+int snd_mask_refine_set(snd_mask_t *mask, unsigned int val);
+int snd_mask_value(const snd_mask_t *mask);
+int snd_mask_always_eq(const snd_mask_t *m1, const snd_mask_t *m2);
+int snd_mask_never_eq(const snd_mask_t *m1, const snd_mask_t *m2);
+#endif
diff --git a/src/pcm/mask_inline.h b/src/pcm/mask_inline.h
new file mode 100644
index 0000000..f656568
--- /dev/null
+++ b/src/pcm/mask_inline.h
@@ -0,0 +1,299 @@
+/*
+ * Mask inlines
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <sys/types.h>
+
+#define MASK_INLINE static inline
+
+#define MASK_MAX SND_MASK_MAX
+#define MASK_SIZE (MASK_MAX / 32)
+
+#define MASK_OFS(i) ((i) >> 5)
+#define MASK_BIT(i) (1U << ((i) & 31))
+
+MASK_INLINE unsigned int ld2(u_int32_t v)
+{
+ unsigned r = 0;
+
+ if (v >= 0x10000) {
+ v >>= 16;
+ r += 16;
+ }
+ if (v >= 0x100) {
+ v >>= 8;
+ r += 8;
+ }
+ if (v >= 0x10) {
+ v >>= 4;
+ r += 4;
+ }
+ if (v >= 4) {
+ v >>= 2;
+ r += 2;
+ }
+ if (v >= 2)
+ r++;
+ return r;
+}
+
+MASK_INLINE unsigned int hweight32(u_int32_t v)
+{
+ v = (v & 0x55555555) + ((v >> 1) & 0x55555555);
+ v = (v & 0x33333333) + ((v >> 2) & 0x33333333);
+ v = (v & 0x0F0F0F0F) + ((v >> 4) & 0x0F0F0F0F);
+ v = (v & 0x00FF00FF) + ((v >> 8) & 0x00FF00FF);
+ return (v & 0x0000FFFF) + ((v >> 16) & 0x0000FFFF);
+}
+
+MASK_INLINE size_t snd_mask_sizeof(void)
+{
+ return sizeof(snd_mask_t);
+}
+
+MASK_INLINE void snd_mask_none(snd_mask_t *mask)
+{
+ memset(mask, 0, sizeof(*mask));
+}
+
+MASK_INLINE void snd_mask_any(snd_mask_t *mask)
+{
+ memset(mask, 0xff, MASK_SIZE * sizeof(u_int32_t));
+}
+
+MASK_INLINE int snd_mask_empty(const snd_mask_t *mask)
+{
+ int i;
+ for (i = 0; i < MASK_SIZE; i++)
+ if (mask->bits[i])
+ return 0;
+ return 1;
+}
+
+MASK_INLINE int snd_mask_full(const snd_mask_t *mask)
+{
+ int i;
+ for (i = 0; i < MASK_SIZE; i++)
+ if (mask->bits[i] != 0xffffffff)
+ return 0;
+ return 1;
+}
+
+MASK_INLINE unsigned int snd_mask_count(const snd_mask_t *mask)
+{
+ int i, w = 0;
+ for (i = 0; i < MASK_SIZE; i++)
+ w += hweight32(mask->bits[i]);
+ return w;
+}
+
+MASK_INLINE unsigned int snd_mask_min(const snd_mask_t *mask)
+{
+ int i;
+ assert(!snd_mask_empty(mask));
+ for (i = 0; i < MASK_SIZE; i++) {
+ if (mask->bits[i])
+ return ffs(mask->bits[i]) - 1 + (i << 5);
+ }
+ return 0;
+}
+
+MASK_INLINE unsigned int snd_mask_max(const snd_mask_t *mask)
+{
+ int i;
+ assert(!snd_mask_empty(mask));
+ for (i = MASK_SIZE - 1; i >= 0; i--) {
+ if (mask->bits[i])
+ return ld2(mask->bits[i]) + (i << 5);
+ }
+ return 0;
+}
+
+MASK_INLINE void snd_mask_set(snd_mask_t *mask, unsigned int val)
+{
+ assert(val <= SND_MASK_MAX);
+ mask->bits[MASK_OFS(val)] |= MASK_BIT(val);
+}
+
+MASK_INLINE void snd_mask_reset(snd_mask_t *mask, unsigned int val)
+{
+ assert(val <= SND_MASK_MAX);
+ mask->bits[MASK_OFS(val)] &= ~MASK_BIT(val);
+}
+
+MASK_INLINE void snd_mask_set_range(snd_mask_t *mask, unsigned int from, unsigned int to)
+{
+ unsigned int i;
+ assert(to <= SND_MASK_MAX && from <= to);
+ for (i = from; i <= to; i++)
+ mask->bits[MASK_OFS(i)] |= MASK_BIT(i);
+}
+
+MASK_INLINE void snd_mask_reset_range(snd_mask_t *mask, unsigned int from, unsigned int to)
+{
+ unsigned int i;
+ assert(to <= SND_MASK_MAX && from <= to);
+ for (i = from; i <= to; i++)
+ mask->bits[MASK_OFS(i)] &= ~MASK_BIT(i);
+}
+
+MASK_INLINE void snd_mask_leave(snd_mask_t *mask, unsigned int val)
+{
+ unsigned int v;
+ assert(val <= SND_MASK_MAX);
+ v = mask->bits[MASK_OFS(val)] & MASK_BIT(val);
+ snd_mask_none(mask);
+ mask->bits[MASK_OFS(val)] = v;
+}
+
+MASK_INLINE void snd_mask_intersect(snd_mask_t *mask, const snd_mask_t *v)
+{
+ int i;
+ for (i = 0; i < MASK_SIZE; i++)
+ mask->bits[i] &= v->bits[i];
+}
+
+MASK_INLINE void snd_mask_union(snd_mask_t *mask, const snd_mask_t *v)
+{
+ int i;
+ for (i = 0; i < MASK_SIZE; i++)
+ mask->bits[i] |= v->bits[i];
+}
+
+MASK_INLINE int snd_mask_eq(const snd_mask_t *mask, const snd_mask_t *v)
+{
+ return ! memcmp(mask, v, MASK_SIZE * 4);
+}
+
+MASK_INLINE void snd_mask_copy(snd_mask_t *mask, const snd_mask_t *v)
+{
+ *mask = *v;
+}
+
+MASK_INLINE int snd_mask_test(const snd_mask_t *mask, unsigned int val)
+{
+ assert(val <= SND_MASK_MAX);
+ return mask->bits[MASK_OFS(val)] & MASK_BIT(val);
+}
+
+MASK_INLINE int snd_mask_single(const snd_mask_t *mask)
+{
+ int i, c = 0;
+ assert(!snd_mask_empty(mask));
+ for (i = 0; i < MASK_SIZE; i++) {
+ if (! mask->bits[i])
+ continue;
+ if (mask->bits[i] & (mask->bits[i] - 1))
+ return 0;
+ if (c)
+ return 0;
+ c++;
+ }
+ return 1;
+}
+
+MASK_INLINE int snd_mask_refine(snd_mask_t *mask, const snd_mask_t *v)
+{
+ snd_mask_t old;
+ if (snd_mask_empty(mask))
+ return -ENOENT;
+ snd_mask_copy(&old, mask);
+ snd_mask_intersect(mask, v);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return !snd_mask_eq(mask, &old);
+}
+
+MASK_INLINE int snd_mask_refine_first(snd_mask_t *mask)
+{
+ if (snd_mask_empty(mask))
+ return -ENOENT;
+ if (snd_mask_single(mask))
+ return 0;
+ snd_mask_leave(mask, snd_mask_min(mask));
+ return 1;
+}
+
+MASK_INLINE int snd_mask_refine_last(snd_mask_t *mask)
+{
+ if (snd_mask_empty(mask))
+ return -ENOENT;
+ if (snd_mask_single(mask))
+ return 0;
+ snd_mask_leave(mask, snd_mask_max(mask));
+ return 1;
+}
+
+MASK_INLINE int snd_mask_refine_min(snd_mask_t *mask, unsigned int val)
+{
+ if (snd_mask_empty(mask))
+ return -ENOENT;
+ if (snd_mask_min(mask) >= val)
+ return 0;
+ snd_mask_reset_range(mask, 0, val - 1);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return 1;
+}
+
+MASK_INLINE int snd_mask_refine_max(snd_mask_t *mask, unsigned int val)
+{
+ if (snd_mask_empty(mask))
+ return -ENOENT;
+ if (snd_mask_max(mask) <= val)
+ return 0;
+ snd_mask_reset_range(mask, val + 1, SND_MASK_MAX);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return 1;
+}
+
+MASK_INLINE int snd_mask_refine_set(snd_mask_t *mask, unsigned int val)
+{
+ int changed;
+ if (snd_mask_empty(mask))
+ return -ENOENT;
+ changed = !snd_mask_single(mask);
+ snd_mask_leave(mask, val);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ return changed;
+}
+
+MASK_INLINE int snd_mask_value(const snd_mask_t *mask)
+{
+ assert(!snd_mask_empty(mask));
+ return snd_mask_min(mask);
+}
+
+MASK_INLINE int snd_mask_always_eq(const snd_mask_t *m1, const snd_mask_t *m2)
+{
+ return snd_mask_single(m1) && snd_mask_single(m2) &&
+ snd_mask_value(m1) == snd_mask_value(m2);
+}
+
+MASK_INLINE int snd_mask_never_eq(const snd_mask_t *m1, const snd_mask_t *m2)
+{
+ int i;
+ for (i = 0; i < MASK_SIZE; i++)
+ if (m1->bits[i] & m2->bits[i])
+ return 0;
+ return 1;
+}
diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
new file mode 100644
index 0000000..ff20745
--- /dev/null
+++ b/src/pcm/pcm.c
@@ -0,0 +1,8116 @@
+/**
+ * \file pcm/pcm.c
+ * \ingroup PCM
+ * \brief PCM Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ *
+ * PCM Interface is designed to write or read digital audio frames. A
+ * frame is the data unit converted into/from sound in one time unit
+ * (1/rate seconds), by example if you set your playback PCM rate to
+ * 44100 you'll hear 44100 frames per second. The size in bytes of a
+ * frame may be obtained from bits needed to store a sample and
+ * channels count.
+ *
+ * See the \ref pcm page for more details.
+ */
+/*
+ * PCM Interface - main file
+ * Copyright (c) 1998 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page pcm PCM (digital audio) interface
+
+<P>Although abbreviation PCM stands for Pulse Code Modulation, we are
+understanding it as general digital audio processing with volume samples
+generated in continuous time periods.</P>
+
+<P>The analog signal is recorded via analog to digital converters (ADC).
+The digital value (de-facto a volume at a specific time) obtained
+from ADC can be further processed. The following picture shows a perfect
+sinus waveform:</P>
+
+<BR>
+\image html wave1.gif
+
+<P>Next image shows digitized representation:</P>
+
+<BR>
+\image html wave2.gif
+
+<P>As you may see, the quality of digital audio signal depends on the time
+(recording rate) and voltage resolution (usually in an linear integer
+representation with basic unit one bit).</P>
+
+<P>The stored digital signal can be converted back to voltage (analog)
+representation via digital to analog converters (DAC).</P>
+
+<P>One digital value is called sample. More samples are collected to frames
+(frame is terminology for ALSA) depending on count of converters used at one
+specific time. One frame might contain one sample (when only one converter is
+used - mono) or more samples (for example: stereo has signals from two converters
+recorded at same time). Digital audio stream contains collection of frames
+recorded at boundaries of continuous time periods.</P>
+
+\section pcm_general_overview General overview
+
+ALSA uses the ring buffer to store outgoing (playback) and incoming (capture,
+record) samples. There are two pointers being maintained to allow
+a precise communication between application and device pointing to current
+processed sample by hardware and last processed sample by application.
+The modern audio chips allow to program the transfer time periods.
+It means that the stream of samples is divided to small chunks. Device
+acknowledges to application when the transfer of a chunk is complete.
+
+\section pcm_transfer Transfer methods in UNIX environments
+
+In the UNIX environment, data chunk acknowledges are received via standard I/O
+calls or event waiting routines (poll or select function). To accomplish
+this list, the asynchronous notification of acknowledges should be listed
+here. The ALSA implementation for these methods is described in
+the \ref alsa_transfers section.
+
+\subsection pcm_transfer_io Standard I/O transfers
+
+The standard I/O transfers are using the read (see 'man 2 read') and write
+(see 'man 2 write') C functions. There are two basic behaviours of these
+functions - blocked and non-blocked (see the O_NONBLOCK flag for the
+standard C open function - see 'man 2 open'). In non-blocked behaviour,
+these I/O functions never stops, they return -EAGAIN error code, when no
+data can be transferred (the ring buffer is full in our case). In blocked
+behaviour, these I/O functions stop and wait until there is a room in the
+ring buffer (playback) or until there are a new samples (capture). The ALSA
+implementation can be found in the \ref alsa_pcm_rw section.
+
+\subsection pcm_transfer_event Event waiting routines
+
+The poll or select functions (see 'man 2 poll' or 'man 2 select' for further
+details) allows to receive requests/events from the device while
+an application is waiting on events from other sources (like keyboard, screen,
+network etc.), too. \ref snd_pcm_poll_descriptors can be used to get file
+descriptors to poll or select on (note that wait direction might be different
+than expected - do not use only returned file descriptors, but handle
+events member as well - see \ref snd_pcm_poll_descriptors function
+description for more details and \ref snd_pcm_poll_descriptors_revents for
+events demangling). The implemented transfer routines can be found in
+the \ref alsa_transfers section.
+
+\subsection pcm_transfer_async Asynchronous notification
+
+ALSA driver and library knows to handle the asynchronous notifications over
+the SIGIO signal. This signal allows to interrupt application and transfer
+data in the signal handler. For further details see the sigaction function
+('man 2 sigaction'). The section \ref pcm_async describes the ALSA API for
+this extension. The implemented transfer routines can be found in the
+\ref alsa_transfers section.
+
+\section pcm_open_behaviour Blocked and non-blocked open
+
+The ALSA PCM API uses a different behaviour when the device is opened
+with blocked or non-blocked mode. The mode can be specified with
+\a mode argument in #snd_pcm_open() function.
+The blocked mode is the default (without #SND_PCM_NONBLOCK mode).
+In this mode, the behaviour is that if the resources have already used
+with another application, then it blocks the caller, until resources are
+free. The non-blocked behaviour (with #SND_PCM_NONBLOCK)
+doesn't block the caller in any way and returns -EBUSY error when the
+resources are not available. Note that the mode also determines the
+behaviour of standard I/O calls, returning -EAGAIN when non-blocked mode is
+used and the ring buffer is full (playback) or empty (capture).
+The operation mode for I/O calls can be changed later with
+the #snd_pcm_nonblock() function.
+
+\section pcm_async Asynchronous mode
+
+There is also possibility to receive asynchronous notification after
+specified time periods. You may see the #SND_PCM_ASYNC
+mode for #snd_pcm_open() function and
+#snd_async_add_pcm_handler() function for further details.
+
+\section pcm_handshake Handshake between application and library
+
+The ALSA PCM API design uses the states to determine the communication
+phase between application and library. The actual state can be determined
+using #snd_pcm_state() call. There are these states:
+
+\par SND_PCM_STATE_OPEN
+The PCM device is in the open state. After the #snd_pcm_open() open call,
+the device is in this state. Also, when #snd_pcm_hw_params() call fails,
+then this state is entered to force application calling
+#snd_pcm_hw_params() function to set right communication
+parameters.
+
+\par SND_PCM_STATE_SETUP
+The PCM device has accepted communication parameters and it is waiting
+for #snd_pcm_prepare() call to prepare the hardware for
+selected operation (playback or capture).
+
+\par SND_PCM_STATE_PREPARED
+The PCM device is prepared for operation. Application can use
+#snd_pcm_start() call, write or read data to start
+the operation.
+
+\par SND_PCM_STATE_RUNNING
+The PCM device has been started and is running. It processes the samples. The stream can
+be stopped using the #snd_pcm_drop() or
+#snd_pcm_drain() calls.
+
+\par SND_PCM_STATE_XRUN
+The PCM device reached overrun (capture) or underrun (playback).
+You can use the -EPIPE return code from I/O functions
+(#snd_pcm_writei(), #snd_pcm_writen(), #snd_pcm_readi(), #snd_pcm_readn())
+to determine this state without checking
+the actual state via #snd_pcm_state() call. It is recommended to use
+the helper function #snd_pcm_recover() to recover from this state, but you can also use #snd_pcm_prepare(),
+#snd_pcm_drop() or #snd_pcm_drain() calls.
+
+\par SND_PCM_STATE_DRAINING
+The device is in this state when application using the capture mode
+called #snd_pcm_drain() function. Until all data are
+read from the internal ring buffer using I/O routines
+(#snd_pcm_readi(), #snd_pcm_readn()),
+then the device stays in this state.
+
+\par SND_PCM_STATE_PAUSED
+The device is in this state when application called
+the #snd_pcm_pause() function until the pause is released.
+Not all hardware supports this feature. Application should check the
+capability with the #snd_pcm_hw_params_can_pause().
+
+\par SND_PCM_STATE_SUSPENDED
+The device is in the suspend state provoked with the power management
+system. The stream can be resumed using #snd_pcm_resume()
+call, but not all hardware supports this feature. Application should check
+the capability with the #snd_pcm_hw_params_can_resume().
+In other case, the calls #snd_pcm_prepare(),
+#snd_pcm_drop(), #snd_pcm_drain() can be used
+to leave this state.
+
+\par SND_PCM_STATE_DISCONNECTED
+The device is physicaly disconnected. It does not accept any I/O calls in this state.
+
+\section pcm_formats PCM formats
+
+The full list of formats present the #snd_pcm_format_t type.
+The 24-bit linear samples use 32-bit physical space, but the sample is
+stored in the lower three bytes. Some hardware does not support processing of full
+range, thus you may get the significant bits for linear samples via
+#snd_pcm_hw_params_get_sbits() function. The example: ICE1712
+chips support 32-bit sample processing, but low byte is ignored (playback)
+or zero (capture). The function snd_pcm_hw_params_get_sbits()
+returns 24 in this case.
+
+\section alsa_transfers ALSA transfers
+
+There are two methods to transfer samples in application. The first method
+is the standard read / write one. The second method, uses the direct audio
+buffer to communicate with the device while ALSA library manages this space
+itself. You can find examples of all communication schemes for playback
+in \ref example_test_pcm "Sine-wave generator example". To complete the
+list, we should note that #snd_pcm_wait() function contains
+embedded poll waiting implementation.
+
+\subsection alsa_pcm_rw Read / Write transfer
+
+There are two versions of read / write routines. The first expects the
+interleaved samples at input (#SND_PCM_ACCESS_RW_INTERLEAVED access method),
+and the second one expects non-interleaved (samples in separated buffers -
+#SND_PCM_ACCESS_RW_NONINTERLEAVED access method) at input. There are these
+functions for interleaved transfers: #snd_pcm_writei()
+#snd_pcm_readi(). For non-interleaved transfers, there are
+these functions: #snd_pcm_writen() and #snd_pcm_readn().
+
+\subsection alsa_mmap_rw Direct Read / Write transfer (via mmap'ed areas)
+
+Three kinds of organization of ring buffer memory areas exist in ALSA API.
+Access #SND_PCM_ACCESS_MMAP_INTERLEAVED has interleaved samples. Access
+#SND_PCM_ACCESS_MMAP_NONINTERLEAVED expects continous sample areas for
+one channel. Access #SND_PCM_ACCESS_MMAP_COMPLEX does not fit to interleaved
+and non-interleaved ring buffer organization.
+
+There are two functions for this kind of transfer. Application can get an
+access to memory areas via #snd_pcm_mmap_begin() function.
+This function returns the areas (single area is equal to a channel)
+containing the direct pointers to memory and sample position description
+in #snd_pcm_channel_area_t structure. After application
+transfers the data in the memory areas, then it must be acknowledged
+the end of transfer via #snd_pcm_mmap_commit() function
+to allow the ALSA library update the pointers to ring buffer. This kind of
+communication is also called "zero-copy", because the device does not require
+to copy the samples from application to another place in system memory.
+
+If you like to use the compatibility functions in mmap mode, there are
+read / write routines equaling to standard read / write transfers. Using
+these functions discards the benefits of direct access to memory region.
+See the #snd_pcm_mmap_readi(),
+#snd_pcm_writei(), #snd_pcm_readn()
+and #snd_pcm_writen() functions.
+
+\section pcm_errors Error codes
+
+\par -EPIPE
+
+This error means xrun (underrun for playback or overrun for capture).
+The underrun can happen when an application does not feed new samples
+in time to alsa-lib (due CPU usage). The overrun can happen when
+an application does not take new captured samples in time from alsa-lib.
+
+\par -ESTRPIPE
+
+This error means that system has suspended drivers. The application
+should wait in loop when snd_pcm_resume() != -EAGAIN and then
+call snd_pcm_prepare() when snd_pcm_resume() return an error code.
+If snd_pcm_resume() does not fail (a zero value is returned), driver
+supports resume and the snd_pcm_prepare() call can be ommited.
+
+\par -EBADFD
+
+This error means that the device is in a bad state. It means that
+the handskahe between application and alsa-lib is corrupted.
+
+\par -ENOTTY, -ENODEV
+
+This error can happen when device is physically removed (for example
+some hotplug devices like USB or PCMCIA, CardBus or ExpressCard
+can be removed on the fly).
+
+\section pcm_params Managing parameters
+
+The ALSA PCM device uses two groups of PCM related parameters. The hardware
+parameters contains the stream description like format, rate, count of
+channels, ring buffer size etc. The software parameters contains the
+software (driver) related parameters. The communication behaviour can be
+controlled via these parameters, like automatic start, automatic stop,
+interrupting (chunk acknowledge) etc. The software parameters can be
+modified at any time (when valid hardware parameters are set). It includes
+the running state as well.
+
+\subsection pcm_hw_params Hardware related parameters
+
+The ALSA PCM devices use the parameter refining system for hardware
+parameters - #snd_pcm_hw_params_t. It means, that
+application choose the full-range of configurations at first and then
+application sets single parameters until all parameters are elementary
+(definite).
+
+\par Access modes
+
+ALSA knows about five access modes. The first three can be used for direct
+communication. The access mode #SND_PCM_ACCESS_MMAP_INTERLEAVED
+determines the direct memory area and interleaved sample organization.
+Interleaved organization means, that samples from channels are mixed together.
+The access mode #SND_PCM_ACCESS_MMAP_NONINTERLEAVED
+determines the direct memory area and non-interleaved sample organization.
+Each channel has a separate buffer in the case. The complex direct memory
+organization represents the #SND_PCM_ACCESS_MMAP_COMPLEX
+access mode. The sample organization does not fit the interleaved or
+non-interleaved access modes in the case. The last two access modes
+describes the read / write access methods.
+The #SND_PCM_ACCESS_RW_INTERLEAVED access represents the read /
+write interleaved access and the #SND_PCM_ACCESS_RW_NONINTERLEAVED
+represents the non-interleaved access.
+
+\par Formats
+
+The full list of formats is available in #snd_pcm_format_t
+enumeration.
+
+\subsection pcm_sw_params Software related parameters
+
+These parameters - #snd_pcm_sw_params_t can be modified at
+any time including the running state.
+
+\par Minimum available count of samples
+
+This parameter controls the wakeup point. If the count of available samples
+is equal or greater than this value, then application will be activated.
+
+\par Timestamp mode
+
+The timestamp mode specifies, if timestamps are activated. Currently, only
+#SND_PCM_TSTAMP_NONE and #SND_PCM_TSTAMP_MMAP
+modes are known. The mmap mode means that timestamp is taken
+on every period time boundary. Corresponding position in the ring buffer
+assigned to timestamp can be obtained using #snd_pcm_htimestamp() function.
+
+\par Transfer align
+
+The read / write transfers can be aligned to this sample count. The modulo
+is ignored by device. Usually, this value is set to one (no align).
+
+\par Start threshold
+
+The start threshold parameter is used to determine the start point in
+stream. For playback, if samples in ring buffer is equal or greater than
+the start threshold parameters and the stream is not running, the stream will
+be started automatically from the device. For capture, if the application wants
+to read count of samples equal or greater then the stream will be started.
+If you want to use explicit start (#snd_pcm_start), you can
+set this value greater than ring buffer size (in samples), but use the
+constant MAXINT is not a bad idea.
+
+\par Stop threshold
+
+Similarly, the stop threshold parameter is used to automatically stop
+the running stream, when the available samples crosses this boundary.
+It means, for playback, the empty samples in ring buffer and for capture,
+the filled (used) samples in ring buffer.
+
+\par Silence threshold
+
+The silence threshold specifies count of samples filled with silence
+ahead of the current application pointer for playback. It is usable
+for applications when an overrun is possible (like tasks depending on
+network I/O etc.). If application wants to manage the ahead samples itself,
+the #snd_pcm_rewind() function allows to forget the last
+samples in the stream.
+
+\section pcm_status Obtaining stream status
+
+The stream status is stored in #snd_pcm_status_t structure.
+These parameters can be obtained: the current stream state -
+#snd_pcm_status_get_state(), timestamp of trigger -
+#snd_pcm_status_get_trigger_tstamp(), timestamp of last
+pointer update #snd_pcm_status_get_tstamp(), delay in samples -
+#snd_pcm_status_get_delay(), available count in samples -
+#snd_pcm_status_get_avail(), maximum available samples -
+#snd_pcm_status_get_avail_max(), ADC over-range count in
+samples - #snd_pcm_status_get_overrange(). The last two
+parameters - avail_max and overrange are reset to zero after the status
+call.
+
+\subsection pcm_status_fast Obtaining stream state fast and update r/w pointer
+
+<p>
+The function #snd_pcm_avail_update() updates the current
+available count of samples for writing (playback) or filled samples for
+reading (capture). This call is mandatory for updating actual r/w pointer.
+Using standalone, it is a light method to obtain current stream position,
+because it does not require the user <-> kernel context switch, but the value
+is less accurate, because ring buffer pointers are updated in kernel drivers
+only when an interrupt occurs. If you want to get accurate stream state,
+use functions #snd_pcm_avail(), #snd_pcm_delay() or #snd_pcm_avail_delay().
+</p>
+<p>
+The function #snd_pcm_avail() reads the current hardware pointer
+in the ring buffer from hardware and calls #snd_pcm_avail_update() then.
+</p>
+<p>
+The function #snd_pcm_delay() returns the delay in samples.
+For playback, it means count of samples in the ring buffer before
+the next sample will be sent to DAC. For capture, it means count of samples
+in the ring buffer before the next sample will be captured from ADC. It works
+only when the stream is in the running or draining (playback only) state.
+Note that this function does not update the current r/w pointer for applications,
+so the function #snd_pcm_avail_update() must be called afterwards
+before any read/write begin+commit operations.
+</p>
+<p>
+The function #snd_pcm_avail_delay() combines #snd_pcm_avail() and
+#snd_pcm_delay() and returns both values in sync.
+</p>
+
+\section pcm_action Managing the stream state
+
+The following functions directly and indirectly affect the stream state:
+
+\par snd_pcm_hw_params
+The #snd_pcm_hw_params() function brings the stream state
+to #SND_PCM_STATE_SETUP
+if successfully finishes, otherwise the state #SND_PCM_STATE_OPEN
+is entered.
+When it is brought to SETUP state, this function automatically
+calls #snd_pcm_prepare() function to bring to the PREPARED state
+as below.
+
+\par snd_pcm_prepare
+The #snd_pcm_prepare() function enters from #SND_PCM_STATE_SETUP
+to the #SND_PCM_STATE_PREPARED after a successful finish.
+
+\par snd_pcm_start
+The #snd_pcm_start() function enters
+the #SND_PCM_STATE_RUNNING after a successful finish.
+
+\par snd_pcm_drop
+The #snd_pcm_drop() function enters the
+#SND_PCM_STATE_SETUP state.
+
+\par snd_pcm_drain
+The #snd_pcm_drain() function enters the
+#SND_PCM_STATE_DRAINING, if
+the capture device has some samples in the ring buffer otherwise
+#SND_PCM_STATE_SETUP state is entered.
+
+\par snd_pcm_pause
+The #snd_pcm_pause() function enters the
+#SND_PCM_STATE_PAUSED or #SND_PCM_STATE_RUNNING.
+
+\par snd_pcm_writei, snd_pcm_writen
+The #snd_pcm_writei() and #snd_pcm_writen()
+functions can conditionally start the stream -
+#SND_PCM_STATE_RUNNING. They depend on the start threshold
+software parameter.
+
+\par snd_pcm_readi, snd_pcm_readn
+The #snd_pcm_readi() and #snd_pcm_readn()
+functions can conditionally start the stream -
+#SND_PCM_STATE_RUNNING. They depend on the start threshold
+software parameter.
+
+\section pcm_sync Streams synchronization
+
+There are two functions allowing link multiple streams together. In the
+case, the linking means that all operations are synchronized. Because the
+drivers cannot guarantee the synchronization (sample resolution) on hardware
+lacking this feature, the #snd_pcm_info_get_sync() function
+returns synchronization ID - #snd_pcm_sync_id_t, which is equal
+for hardware synchronized streams. When the #snd_pcm_link()
+function is called, all operations managing the stream state for these two
+streams are joined. The opposite function is #snd_pcm_unlink().
+
+\section pcm_dev_names PCM naming conventions
+
+The ALSA library uses a generic string representation for names of devices.
+The devices might be virtual, physical or a mix of both. The generic string
+is passed to #snd_pcm_open() or #snd_pcm_open_lconf().
+It contains two parts: device name and arguments. Devices and arguments are described
+in configuration files. The usual place for default definitions is at /usr/share/alsa/alsa.conf.
+For detailed descriptions about integrated PCM plugins look to \ref pcm_plugins.
+
+\subsection pcm_dev_names_default Default device
+
+The default device is equal to plug plugin with hw plugin as slave. The defaults are
+used:
+
+\code
+defaults.pcm.card 0
+defaults.pcm.device 0
+defaults.pcm.subdevice -1
+\endcode
+
+These defaults can be freely overwritten in local configuration files.
+
+Example:
+
+\code
+default
+\endcode
+
+\subsection pcm_dev_names_hw HW device
+
+The hw device description uses the hw plugin. The three arguments (in order: CARD,DEV,SUBDEV)
+specify card number or identifier, device number and subdevice number (-1 means any).
+
+Example:
+
+\code
+hw
+hw:0
+hw:0,0
+hw:supersonic,1
+hw:soundwave,1,2
+hw:DEV=1,CARD=soundwave,SUBDEV=2
+\endcode
+
+\subsection pcm_dev_names_plughw Plug->HW device
+
+The plughw device description uses the plug plugin and hw plugin as slave. The arguments
+are same as for hw device.
+
+Example:
+
+\code
+plughw
+plughw:0
+plughw:0,0
+plughw:supersonic,1
+plughw:soundwave,1,2
+plughw:DEV=1,CARD=soundwave,SUBDEV=2
+\endcode
+
+\subsection pcm_dev_names_plug Plug device
+
+The plug device uses the plug plugin. The one SLAVE argument specifies the slave plugin.
+
+Example:
+
+\code
+plug:mypcmdef
+plug:hw
+plug:'hw:0,0'
+plug:SLAVE=hw
+\endcode
+
+\subsection pcm_dev_names_shm Shared memory device
+
+The shm device uses the shm plugin. The two arguments (in order: SOCKET,PCM) specify
+UNIX socket name (for example /tmp/alsa.socket) for server communication and server's PCM name.
+
+Example:
+
+\code
+shm:'/tmp/alsa.sock',default
+shm:SOCKET='/tmp/alsa.sock',PCM=default
+\endcode
+
+\subsection pcm_dev_names_tee Tee device
+
+The tee device stores contents of a stream to given file plus transfers it to given slave plugin.
+The three arguments (in order: SLAVE,FILE,FORMAT) specify slave plugin, filename and file format.
+
+Example:
+
+\code
+tee:hw,'/tmp/out.raw',raw
+\endcode
+
+\subsection pcm_dev_names_file File device
+
+The file device is file plugin with null plugin as slave. The arguments (in order: FILE,FORMAT)
+specify filename and file format.
+
+Example:
+
+\code
+file:'/tmp/out.raw',raw
+\endcode
+
+\subsection pcm_dev_names_null Null device
+
+The null device is null plugin. This device has not any arguments.
+
+
+\section pcm_examples Examples
+
+The full featured examples with cross-links can be found in Examples section
+(see top of page):
+
+\anchor example_test_pcm
+\par Sine-wave generator
+\par
+alsa-lib/test/pcm.c example shows various transfer methods for the playback direction.
+
+\par Minimalistic PCM playback code
+\par
+alsa-lib/test/pcm_min.c example shows the minimal code to produce a sound.
+
+\par Latency measuring tool
+\par
+alsa-lib/test/latency.c example shows the measuring of minimal latency between capture and
+playback devices.
+
+*/
+
+/**
+\example ../../test/pcm.c
+*/
+/**
+\example ../../test/pcm_min.c
+*/
+/**
+\example ../../test/latency.c
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <malloc.h>
+#include <stdarg.h>
+#include <signal.h>
+#include <ctype.h>
+#include <sys/poll.h>
+#include <sys/shm.h>
+#include <sys/mman.h>
+#include <limits.h>
+#include "pcm_local.h"
+
+/**
+ * \brief get identifier of PCM handle
+ * \param pcm PCM handle
+ * \return ascii identifier of PCM handle
+ *
+ * Returns the ASCII identifier of given PCM handle. It's the same
+ * identifier specified in snd_pcm_open().
+ */
+const char *snd_pcm_name(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ return pcm->name;
+}
+
+/**
+ * \brief get type of PCM handle
+ * \param pcm PCM handle
+ * \return type of PCM handle
+ *
+ * Returns the type #snd_pcm_type_t of given PCM handle.
+ */
+snd_pcm_type_t snd_pcm_type(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ return pcm->type;
+}
+
+/**
+ * \brief get stream for a PCM handle
+ * \param pcm PCM handle
+ * \return stream of PCM handle
+ *
+ * Returns the type #snd_pcm_stream_t of given PCM handle.
+ */
+snd_pcm_stream_t snd_pcm_stream(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ return pcm->stream;
+}
+
+/**
+ * \brief close PCM handle
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the specified PCM handle and frees all associated
+ * resources.
+ */
+int snd_pcm_close(snd_pcm_t *pcm)
+{
+ int res = 0, err;
+ assert(pcm);
+ if (pcm->setup && !pcm->donot_close) {
+ snd_pcm_drop(pcm);
+ err = snd_pcm_hw_free(pcm);
+ if (err < 0)
+ res = err;
+ }
+ if (pcm->mmap_channels)
+ snd_pcm_munmap(pcm);
+ while (!list_empty(&pcm->async_handlers)) {
+ snd_async_handler_t *h = list_entry(pcm->async_handlers.next, snd_async_handler_t, hlist);
+ snd_async_del_handler(h);
+ }
+ err = pcm->ops->close(pcm->op_arg);
+ if (err < 0)
+ res = err;
+ err = snd_pcm_free(pcm);
+ if (err < 0)
+ res = err;
+ return res;
+}
+
+/**
+ * \brief set nonblock mode
+ * \param pcm PCM handle
+ * \param nonblock 0 = block, 1 = nonblock mode, 2 = abort
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock)
+{
+ int err;
+ assert(pcm);
+ if ((err = pcm->ops->nonblock(pcm->op_arg, nonblock)) < 0)
+ return err;
+ if (nonblock == 2) {
+ pcm->mode |= SND_PCM_ABORT;
+ return 0;
+ }
+ if (nonblock)
+ pcm->mode |= SND_PCM_NONBLOCK;
+ else {
+ if (pcm->hw_flags & SND_PCM_HW_PARAMS_NO_PERIOD_WAKEUP)
+ return -EINVAL;
+ pcm->mode &= ~SND_PCM_NONBLOCK;
+ }
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+/**
+ * \brief set async mode
+ * \param pcm PCM handle
+ * \param sig Signal to raise: < 0 disable, 0 default (SIGIO)
+ * \param pid Process ID to signal: 0 current
+ * \return 0 on success otherwise a negative error code
+ *
+ * A signal is raised every period.
+ */
+int snd_pcm_async(snd_pcm_t *pcm, int sig, pid_t pid)
+{
+ assert(pcm);
+ if (sig == 0)
+ sig = SIGIO;
+ if (pid == 0)
+ pid = getpid();
+ return pcm->ops->async(pcm->op_arg, sig, pid);
+}
+#endif
+
+/**
+ * \brief Obtain general (static) information for PCM handle
+ * \param pcm PCM handle
+ * \param info Information container
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
+{
+ assert(pcm && info);
+ return pcm->ops->info(pcm->op_arg, info);
+}
+
+/** \brief Retreive current PCM hardware configuration chosen with #snd_pcm_hw_params
+ * \param pcm PCM handle
+ * \param params Configuration space definition container
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_hw_params_current(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ unsigned int frame_bits;
+
+ assert(pcm && params);
+ if (!pcm->setup)
+ return -EBADFD;
+ memset(params, 0, snd_pcm_hw_params_sizeof());
+ params->flags = pcm->hw_flags;
+ snd_mask_set(¶ms->masks[SND_PCM_HW_PARAM_ACCESS - SND_PCM_HW_PARAM_FIRST_MASK], pcm->access);
+ snd_mask_set(¶ms->masks[SND_PCM_HW_PARAM_FORMAT - SND_PCM_HW_PARAM_FIRST_MASK], pcm->format);
+ snd_mask_set(¶ms->masks[SND_PCM_HW_PARAM_SUBFORMAT - SND_PCM_HW_PARAM_FIRST_MASK], pcm->subformat);
+ frame_bits = snd_pcm_format_physical_width(pcm->format) * pcm->channels;
+ snd_interval_set_value(¶ms->intervals[SND_PCM_HW_PARAM_FRAME_BITS - SND_PCM_HW_PARAM_FIRST_INTERVAL], frame_bits);
+ snd_interval_set_value(¶ms->intervals[SND_PCM_HW_PARAM_CHANNELS - SND_PCM_HW_PARAM_FIRST_INTERVAL], pcm->channels);
+ snd_interval_set_value(¶ms->intervals[SND_PCM_HW_PARAM_RATE - SND_PCM_HW_PARAM_FIRST_INTERVAL], pcm->rate);
+ snd_interval_set_value(¶ms->intervals[SND_PCM_HW_PARAM_PERIOD_TIME - SND_PCM_HW_PARAM_FIRST_INTERVAL], pcm->period_time);
+ snd_interval_set_value(¶ms->intervals[SND_PCM_HW_PARAM_PERIOD_SIZE - SND_PCM_HW_PARAM_FIRST_INTERVAL], pcm->period_size);
+ snd_interval_copy(¶ms->intervals[SND_PCM_HW_PARAM_PERIODS - SND_PCM_HW_PARAM_FIRST_INTERVAL], &pcm->periods);
+ snd_interval_copy(¶ms->intervals[SND_PCM_HW_PARAM_BUFFER_TIME - SND_PCM_HW_PARAM_FIRST_INTERVAL], &pcm->buffer_time);
+ snd_interval_set_value(¶ms->intervals[SND_PCM_HW_PARAM_BUFFER_SIZE - SND_PCM_HW_PARAM_FIRST_INTERVAL], pcm->buffer_size);
+ snd_interval_set_value(¶ms->intervals[SND_PCM_HW_PARAM_BUFFER_BYTES - SND_PCM_HW_PARAM_FIRST_INTERVAL], (pcm->buffer_size * frame_bits) / 8);
+ params->info = pcm->info;
+ params->msbits = pcm->msbits;
+ params->rate_num = pcm->rate_num;
+ params->rate_den = pcm->rate_den;
+ params->fifo_size = pcm->fifo_size;
+ return 0;
+}
+
+/** \brief Install one PCM hardware configuration chosen from a configuration space and #snd_pcm_prepare it
+ * \param pcm PCM handle
+ * \param params Configuration space definition container
+ * \return 0 on success otherwise a negative error code
+ *
+ * The configuration is chosen fixing single parameters in this order:
+ * first access, first format, first subformat, min channels, min rate,
+ * min period time, max buffer size, min tick time. If no mutually
+ * compatible set of parameters can be chosen, a negative error code
+ * will be returned.
+ *
+ * After this call, #snd_pcm_prepare() is called automatically and
+ * the stream is brought to \c #SND_PCM_STATE_PREPARED state.
+ *
+ * The hardware parameters cannot be changed when the stream is
+ * running (active). The software parameters can be changed
+ * at any time.
+ *
+ * The configuration space will be updated to reflect the chosen
+ * parameters.
+ */
+int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ int err;
+ assert(pcm && params);
+ err = _snd_pcm_hw_params_internal(pcm, params);
+ if (err < 0)
+ return err;
+ err = snd_pcm_prepare(pcm);
+ return err;
+}
+
+/** \brief Remove PCM hardware configuration and free associated resources
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_hw_free(snd_pcm_t *pcm)
+{
+ int err;
+ if (! pcm->setup)
+ return 0;
+ if (pcm->mmap_channels) {
+ err = snd_pcm_munmap(pcm);
+ if (err < 0)
+ return err;
+ }
+ // assert(snd_pcm_state(pcm) == SND_PCM_STATE_SETUP ||
+ // snd_pcm_state(pcm) == SND_PCM_STATE_PREPARED);
+ err = pcm->ops->hw_free(pcm->op_arg);
+ pcm->setup = 0;
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+/** \brief Install PCM software configuration defined by params
+ * \param pcm PCM handle
+ * \param params Configuration container
+ * \return 0 on success otherwise a negative error code
+ *
+ * The software parameters can be changed at any time.
+ * The hardware parameters cannot be changed when the stream is
+ * running (active).
+ */
+int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
+{
+ int err;
+ /* the hw_params must be set at first!!! */
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (! params->avail_min) {
+ SNDMSG("params->avail_min is 0");
+ return -EINVAL;
+ }
+#if 0
+ /* disable the check below - it looks too restrictive
+ * (start_threshold is basically independent from avail_min)
+ */
+ if (params->start_threshold <= pcm->buffer_size &&
+ params->start_threshold > (pcm->buffer_size / params->avail_min) * params->avail_min) {
+ SNDMSG("params->avail_min problem for start_threshold");
+ return -EINVAL;
+ }
+#endif
+ err = pcm->ops->sw_params(pcm->op_arg, params);
+ if (err < 0)
+ return err;
+ pcm->tstamp_mode = params->tstamp_mode;
+ pcm->tstamp_type = params->tstamp_type;
+ pcm->period_step = params->period_step;
+ pcm->avail_min = params->avail_min;
+ pcm->period_event = sw_get_period_event(params);
+ pcm->start_threshold = params->start_threshold;
+ pcm->stop_threshold = params->stop_threshold;
+ pcm->silence_threshold = params->silence_threshold;
+ pcm->silence_size = params->silence_size;
+ pcm->boundary = params->boundary;
+ return 0;
+}
+
+/**
+ * \brief Obtain status (runtime) information for PCM handle
+ * \param pcm PCM handle
+ * \param status Status container
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_status(snd_pcm_t *pcm, snd_pcm_status_t *status)
+{
+ assert(pcm && status);
+ return pcm->fast_ops->status(pcm->fast_op_arg, status);
+}
+
+/**
+ * \brief Return PCM state
+ * \param pcm PCM handle
+ * \return PCM state #snd_pcm_state_t of given PCM handle
+ *
+ * This is a faster way to obtain only the PCM state without calling
+ * \link ::snd_pcm_status() \endlink.
+ */
+snd_pcm_state_t snd_pcm_state(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ return pcm->fast_ops->state(pcm->fast_op_arg);
+}
+
+/**
+ * \brief (DEPRECATED) Synchronize stream position with hardware
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Note this function does not update the actual r/w pointer
+ * for applications. The function #snd_pcm_avail_update()
+ * have to be called before any mmap begin+commit operation.
+ */
+int snd_pcm_hwsync(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->hwsync(pcm->fast_op_arg);
+}
+#ifndef DOC_HIDDEN
+link_warning(snd_pcm_hwsync, "Warning: snd_pcm_hwsync() is deprecated, consider to use snd_pcm_avail()");
+#endif
+
+/**
+ * \brief Obtain delay for a running PCM handle
+ * \param pcm PCM handle
+ * \param delayp Returned delay in frames
+ * \return 0 on success otherwise a negative error code
+ *
+ * For playback the delay is defined as the time that a frame that is written
+ * to the PCM stream shortly after this call will take to be actually
+ * audible. It is as such the overall latency from the write call to the final
+ * DAC.
+ *
+ * For capture the delay is defined as the time that a frame that was
+ * digitized by the audio device takes until it can be read from the PCM
+ * stream shortly after this call returns. It is as such the overall latency
+ * from the initial ADC to the read call.
+ *
+ * Please note that hence in case of a playback underrun this value will not
+ * necessarily got down to 0.
+ *
+ * If the application is interested in the fill level of the playback buffer
+ * of the device, it should use #snd_pcm_avail*() functions. The
+ * value returned by that call is not directly related to the delay, since the
+ * latter might include some additional, fixed latencies the former does not.
+ *
+ * Note this function does not update the actual r/w pointer
+ * for applications. The function #snd_pcm_avail_update()
+ * have to be called before any begin+commit operation.
+ */
+int snd_pcm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->delay(pcm->fast_op_arg, delayp);
+}
+
+/**
+ * \brief Resume from suspend, no samples are lost
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ * \retval -EAGAIN resume can't be proceed immediately (audio hardware is probably still suspended)
+ * \retval -ENOSYS hardware doesn't support this feature
+ *
+ * This function can be used when the stream is in the suspend state
+ * to do the fine resume from this state. Not all hardware supports
+ * this feature, when an -ENOSYS error is returned, use the \link ::snd_pcm_prepare() \endlink
+ * function to recovery.
+ */
+int snd_pcm_resume(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->resume(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Obtain last position update hi-res timestamp
+ * \param pcm PCM handle
+ * \param avail Number of available frames when timestamp was grabbed
+ * \param tstamp Hi-res timestamp
+ * \return 0 on success otherwise a negative error code
+ *
+ * Note this function does not update the actual r/w pointer
+ * for applications.
+ */
+int snd_pcm_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail, snd_htimestamp_t *tstamp)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->htimestamp(pcm->fast_op_arg, avail, tstamp);
+}
+
+/**
+ * \brief Prepare PCM for use
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_prepare(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->prepare(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Reset PCM position
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Reduce PCM delay to 0.
+ */
+int snd_pcm_reset(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->reset(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Start a PCM
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_start(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->start(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Stop a PCM dropping pending frames
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * This function stops the PCM <i>immediately</i>.
+ * The pending samples on the buffer are ignored.
+ *
+ * For processing all pending samples, use \link ::snd_pcm_drain() \endlink
+ * instead.
+ */
+int snd_pcm_drop(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->drop(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Stop a PCM preserving pending frames
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ * \retval -ESTRPIPE a suspend event occurred
+ *
+ * For playback wait for all pending frames to be played and then stop
+ * the PCM.
+ * For capture stop PCM permitting to retrieve residual frames.
+ *
+ * For stopping the PCM stream immediately, use \link ::snd_pcm_drop() \endlink
+ * instead.
+ */
+int snd_pcm_drain(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->drain(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Pause/resume PCM
+ * \param pcm PCM handle
+ * \param enable 0 = resume, 1 = pause
+ * \return 0 on success otherwise a negative error code
+ *
+ * Note that this function works only on the hardware which supports
+ * pause feature. You can check it via \link ::snd_pcm_hw_params_can_pause() \endlink
+ * function.
+ */
+int snd_pcm_pause(snd_pcm_t *pcm, int enable)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->pause(pcm->fast_op_arg, enable);
+}
+
+/**
+ * \brief Get safe count of frames which can be rewinded
+ * \param pcm PCM handle
+ * \return a positive number of frames or negative error code
+ *
+ * Note: The snd_pcm_rewind() can accept bigger value than returned
+ * by this function. But it is not guaranteed that output stream
+ * will be consistent with bigger value.
+ */
+snd_pcm_sframes_t snd_pcm_rewindable(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->rewindable(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Move application frame position backward
+ * \param pcm PCM handle
+ * \param frames wanted displacement in frames
+ * \return a positive number for actual displacement otherwise a
+ * negative error code
+ */
+snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (frames == 0)
+ return 0;
+ return pcm->fast_ops->rewind(pcm->fast_op_arg, frames);
+}
+
+/**
+ * \brief Get safe count of frames which can be forwarded
+ * \param pcm PCM handle
+ * \return a positive number of frames or negative error code
+ *
+ * Note: The snd_pcm_forward() can accept bigger value than returned
+ * by this function. But it is not guaranteed that output stream
+ * will be consistent with bigger value.
+ */
+snd_pcm_sframes_t snd_pcm_forwardable(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return pcm->fast_ops->forwardable(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Move application frame position forward
+ * \param pcm PCM handle
+ * \param frames wanted skip in frames
+ * \return a positive number for actual skip otherwise a negative error code
+ * \retval 0 means no action
+ */
+#ifndef DOXYGEN
+snd_pcm_sframes_t INTERNAL(snd_pcm_forward)(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+#else
+snd_pcm_sframes_t snd_pcm_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+#endif
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (frames == 0)
+ return 0;
+ return pcm->fast_ops->forward(pcm->fast_op_arg, frames);
+}
+use_default_symbol_version(__snd_pcm_forward, snd_pcm_forward, ALSA_0.9.0rc8);
+
+/**
+ * \brief Write interleaved frames to a PCM
+ * \param pcm PCM handle
+ * \param buffer frames containing buffer
+ * \param size frames to be written
+ * \return a positive number of frames actually written otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an underrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour is selected and it is running, then routine waits until
+ * all requested frames are played or put to the playback ring buffer.
+ * The returned number of frames can be less only if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ assert(pcm);
+ assert(size == 0 || buffer);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED) {
+ SNDMSG("invalid access type %s", snd_pcm_access_name(pcm->access));
+ return -EINVAL;
+ }
+ return _snd_pcm_writei(pcm, buffer, size);
+}
+
+/**
+ * \brief Write non interleaved frames to a PCM
+ * \param pcm PCM handle
+ * \param bufs frames containing buffers (one for each channel)
+ * \param size frames to be written
+ * \return a positive number of frames actually written otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an underrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour is selected and it is running, then routine waits until
+ * all requested frames are played or put to the playback ring buffer.
+ * The returned number of frames can be less only if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ assert(pcm);
+ assert(size == 0 || bufs);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED) {
+ SNDMSG("invalid access type %s", snd_pcm_access_name(pcm->access));
+ return -EINVAL;
+ }
+ return _snd_pcm_writen(pcm, bufs, size);
+}
+
+/**
+ * \brief Read interleaved frames from a PCM
+ * \param pcm PCM handle
+ * \param buffer frames containing buffer
+ * \param size frames to be read
+ * \return a positive number of frames actually read otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an overrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour was selected and it is running, then routine waits until
+ * all requested frames are filled. The returned number of frames can be less only
+ * if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ assert(pcm);
+ assert(size == 0 || buffer);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED) {
+ SNDMSG("invalid access type %s", snd_pcm_access_name(pcm->access));
+ return -EINVAL;
+ }
+ return _snd_pcm_readi(pcm, buffer, size);
+}
+
+/**
+ * \brief Read non interleaved frames to a PCM
+ * \param pcm PCM handle
+ * \param bufs frames containing buffers (one for each channel)
+ * \param size frames to be read
+ * \return a positive number of frames actually read otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an overrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour was selected and it is running, then routine waits until
+ * all requested frames are filled. The returned number of frames can be less only
+ * if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ assert(pcm);
+ assert(size == 0 || bufs);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED) {
+ SNDMSG("invalid access type %s", snd_pcm_access_name(pcm->access));
+ return -EINVAL;
+ }
+ return _snd_pcm_readn(pcm, bufs, size);
+}
+
+/**
+ * \brief Link two PCMs
+ * \param pcm1 first PCM handle
+ * \param pcm2 first PCM handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * The two PCMs will start/stop/prepare in sync.
+ */
+int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
+{
+ assert(pcm1);
+ assert(pcm2);
+ if (pcm1->fast_ops->link)
+ return pcm1->fast_ops->link(pcm1, pcm2);
+ return -ENOSYS;
+}
+
+/**
+ * \brief Remove a PCM from a linked group
+ * \param pcm PCM handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_unlink(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (pcm->fast_ops->unlink)
+ return pcm->fast_ops->unlink(pcm);
+ return -ENOSYS;
+}
+
+/**
+ * \brief get count of poll descriptors for PCM handle
+ * \param pcm PCM handle
+ * \return count of poll descriptors
+ */
+int snd_pcm_poll_descriptors_count(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ if (pcm->fast_ops->poll_descriptors_count)
+ return pcm->fast_ops->poll_descriptors_count(pcm->fast_op_arg);
+ return pcm->poll_fd_count;
+}
+
+
+/**
+ * \brief get poll descriptors
+ * \param pcm PCM handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \return count of filled descriptors
+ *
+ * This function fills the given poll descriptor structs for the specified
+ * PCM handle. The poll desctiptor array should have the size returned by
+ * \link ::snd_pcm_poll_descriptors_count() \endlink function.
+ *
+ * The result is intended for direct use with the poll() syscall.
+ *
+ * For reading the returned events of poll descriptor after poll() system
+ * call, use \link ::snd_pcm_poll_descriptors_revents() \endlink function.
+ * The field values in pollfd structs may be bogus regarding the stream
+ * direction from the application perspective (POLLIN might not imply read
+ * direction and POLLOUT might not imply write), but
+ * the \link ::snd_pcm_poll_descriptors_revents() \endlink function
+ * does the right "demangling".
+ *
+ * You can use output from this function as arguments for the select()
+ * syscall, too. Do not forget to translate POLLIN and POLLOUT events to
+ * corresponding FD_SET arrays and demangle events using
+ * \link ::snd_pcm_poll_descriptors_revents() \endlink .
+ */
+int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
+{
+ assert(pcm && pfds);
+ if (pcm->fast_ops->poll_descriptors)
+ return pcm->fast_ops->poll_descriptors(pcm->fast_op_arg, pfds, space);
+ if (pcm->poll_fd < 0) {
+ SNDMSG("poll_fd < 0");
+ return -EIO;
+ }
+ if (space >= 1 && pfds) {
+ pfds->fd = pcm->poll_fd;
+ pfds->events = pcm->poll_events | POLLERR | POLLNVAL;
+ } else {
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param pcm PCM handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents pointer to the returned (single) event
+ * \return zero if success, otherwise a negative error code
+ *
+ * This function does "demangling" of the revents mask returned from
+ * the poll() syscall to correct semantics (POLLIN = read, POLLOUT = write).
+ *
+ * Note: The null event also exists. Even if poll() or select()
+ * syscall returned that some events are waiting, this function might
+ * return empty set of events. In this case, application should
+ * do next event waiting using poll() or select().
+ *
+ * Note: Even if multiple poll descriptors are used (i.e. pfds > 1),
+ * this function returns only a single event.
+ */
+int snd_pcm_poll_descriptors_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ assert(pcm && pfds && revents);
+ if (pcm->fast_ops->poll_revents)
+ return pcm->fast_ops->poll_revents(pcm->fast_op_arg, pfds, nfds, revents);
+ if (nfds == 1) {
+ *revents = pfds->revents;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+#ifndef DOC_HIDDEN
+#define PCMTYPE(v) [SND_PCM_TYPE_##v] = #v
+#define STATE(v) [SND_PCM_STATE_##v] = #v
+#define STREAM(v) [SND_PCM_STREAM_##v] = #v
+#define READY(v) [SND_PCM_READY_##v] = #v
+#define XRUN(v) [SND_PCM_XRUN_##v] = #v
+#define SILENCE(v) [SND_PCM_SILENCE_##v] = #v
+#define TSTAMP(v) [SND_PCM_TSTAMP_##v] = #v
+#define TSTAMP_TYPE(v) [SND_PCM_TSTAMP_TYPE_##v] = #v
+#define ACCESS(v) [SND_PCM_ACCESS_##v] = #v
+#define START(v) [SND_PCM_START_##v] = #v
+#define HW_PARAM(v) [SND_PCM_HW_PARAM_##v] = #v
+#define SW_PARAM(v) [SND_PCM_SW_PARAM_##v] = #v
+#define FORMAT(v) [SND_PCM_FORMAT_##v] = #v
+#define SUBFORMAT(v) [SND_PCM_SUBFORMAT_##v] = #v
+
+#define FORMATD(v, d) [SND_PCM_FORMAT_##v] = d
+#define SUBFORMATD(v, d) [SND_PCM_SUBFORMAT_##v] = d
+
+
+static const char *const snd_pcm_stream_names[] = {
+ STREAM(PLAYBACK),
+ STREAM(CAPTURE),
+};
+
+static const char *const snd_pcm_state_names[] = {
+ STATE(OPEN),
+ STATE(SETUP),
+ STATE(PREPARED),
+ STATE(RUNNING),
+ STATE(XRUN),
+ STATE(DRAINING),
+ STATE(PAUSED),
+ STATE(SUSPENDED),
+ STATE(DISCONNECTED),
+};
+
+static const char *const snd_pcm_access_names[] = {
+ ACCESS(MMAP_INTERLEAVED),
+ ACCESS(MMAP_NONINTERLEAVED),
+ ACCESS(MMAP_COMPLEX),
+ ACCESS(RW_INTERLEAVED),
+ ACCESS(RW_NONINTERLEAVED),
+};
+
+static const char *const snd_pcm_format_names[] = {
+ FORMAT(S8),
+ FORMAT(U8),
+ FORMAT(S16_LE),
+ FORMAT(S16_BE),
+ FORMAT(U16_LE),
+ FORMAT(U16_BE),
+ FORMAT(S24_LE),
+ FORMAT(S24_BE),
+ FORMAT(U24_LE),
+ FORMAT(U24_BE),
+ FORMAT(S32_LE),
+ FORMAT(S32_BE),
+ FORMAT(U32_LE),
+ FORMAT(U32_BE),
+ FORMAT(FLOAT_LE),
+ FORMAT(FLOAT_BE),
+ FORMAT(FLOAT64_LE),
+ FORMAT(FLOAT64_BE),
+ FORMAT(IEC958_SUBFRAME_LE),
+ FORMAT(IEC958_SUBFRAME_BE),
+ FORMAT(MU_LAW),
+ FORMAT(A_LAW),
+ FORMAT(IMA_ADPCM),
+ FORMAT(MPEG),
+ FORMAT(GSM),
+ FORMAT(SPECIAL),
+ FORMAT(S24_3LE),
+ FORMAT(S24_3BE),
+ FORMAT(U24_3LE),
+ FORMAT(U24_3BE),
+ FORMAT(S20_3LE),
+ FORMAT(S20_3BE),
+ FORMAT(U20_3LE),
+ FORMAT(U20_3BE),
+ FORMAT(S18_3LE),
+ FORMAT(S18_3BE),
+ FORMAT(U18_3LE),
+ FORMAT(U18_3BE),
+ FORMAT(G723_24),
+ FORMAT(G723_24_1B),
+ FORMAT(G723_40),
+ FORMAT(G723_40_1B),
+ FORMAT(DSD_U8),
+ FORMAT(DSD_U16_LE),
+ FORMAT(DSD_U32_LE),
+ FORMAT(DSD_U16_BE),
+ FORMAT(DSD_U32_BE),
+};
+
+static const char *const snd_pcm_format_aliases[SND_PCM_FORMAT_LAST+1] = {
+ FORMAT(S16),
+ FORMAT(U16),
+ FORMAT(S24),
+ FORMAT(U24),
+ FORMAT(S32),
+ FORMAT(U32),
+ FORMAT(FLOAT),
+ FORMAT(FLOAT64),
+ FORMAT(IEC958_SUBFRAME),
+};
+
+static const char *const snd_pcm_format_descriptions[] = {
+ FORMATD(S8, "Signed 8 bit"),
+ FORMATD(U8, "Unsigned 8 bit"),
+ FORMATD(S16_LE, "Signed 16 bit Little Endian"),
+ FORMATD(S16_BE, "Signed 16 bit Big Endian"),
+ FORMATD(U16_LE, "Unsigned 16 bit Little Endian"),
+ FORMATD(U16_BE, "Unsigned 16 bit Big Endian"),
+ FORMATD(S24_LE, "Signed 24 bit Little Endian"),
+ FORMATD(S24_BE, "Signed 24 bit Big Endian"),
+ FORMATD(U24_LE, "Unsigned 24 bit Little Endian"),
+ FORMATD(U24_BE, "Unsigned 24 bit Big Endian"),
+ FORMATD(S32_LE, "Signed 32 bit Little Endian"),
+ FORMATD(S32_BE, "Signed 32 bit Big Endian"),
+ FORMATD(U32_LE, "Unsigned 32 bit Little Endian"),
+ FORMATD(U32_BE, "Unsigned 32 bit Big Endian"),
+ FORMATD(FLOAT_LE, "Float 32 bit Little Endian"),
+ FORMATD(FLOAT_BE, "Float 32 bit Big Endian"),
+ FORMATD(FLOAT64_LE, "Float 64 bit Little Endian"),
+ FORMATD(FLOAT64_BE, "Float 64 bit Big Endian"),
+ FORMATD(IEC958_SUBFRAME_LE, "IEC-958 Little Endian"),
+ FORMATD(IEC958_SUBFRAME_BE, "IEC-958 Big Endian"),
+ FORMATD(MU_LAW, "Mu-Law"),
+ FORMATD(A_LAW, "A-Law"),
+ FORMATD(IMA_ADPCM, "Ima-ADPCM"),
+ FORMATD(MPEG, "MPEG"),
+ FORMATD(GSM, "GSM"),
+ FORMATD(SPECIAL, "Special"),
+ FORMATD(S24_3LE, "Signed 24 bit Little Endian in 3bytes"),
+ FORMATD(S24_3BE, "Signed 24 bit Big Endian in 3bytes"),
+ FORMATD(U24_3LE, "Unsigned 24 bit Little Endian in 3bytes"),
+ FORMATD(U24_3BE, "Unsigned 24 bit Big Endian in 3bytes"),
+ FORMATD(S20_3LE, "Signed 20 bit Little Endian in 3bytes"),
+ FORMATD(S20_3BE, "Signed 20 bit Big Endian in 3bytes"),
+ FORMATD(U20_3LE, "Unsigned 20 bit Little Endian in 3bytes"),
+ FORMATD(U20_3BE, "Unsigned 20 bit Big Endian in 3bytes"),
+ FORMATD(S18_3LE, "Signed 18 bit Little Endian in 3bytes"),
+ FORMATD(S18_3BE, "Signed 18 bit Big Endian in 3bytes"),
+ FORMATD(U18_3LE, "Unsigned 18 bit Little Endian in 3bytes"),
+ FORMATD(U18_3BE, "Unsigned 18 bit Big Endian in 3bytes"),
+ FORMATD(G723_24, "G.723 (ADPCM) 24 kbit/s, 8 samples in 3 bytes"),
+ FORMATD(G723_24_1B, "G.723 (ADPCM) 24 kbit/s, 1 sample in 1 byte"),
+ FORMATD(G723_40, "G.723 (ADPCM) 40 kbit/s, 8 samples in 3 bytes"),
+ FORMATD(G723_40_1B, "G.723 (ADPCM) 40 kbit/s, 1 sample in 1 byte"),
+ FORMATD(DSD_U8, "Direct Stream Digital, 1-byte (x8), oldest bit in MSB"),
+ FORMATD(DSD_U16_LE, "Direct Stream Digital, 2-byte (x16), little endian, oldest bits in MSB"),
+ FORMATD(DSD_U32_LE, "Direct Stream Digital, 4-byte (x32), little endian, oldest bits in MSB"),
+ FORMATD(DSD_U16_BE, "Direct Stream Digital, 2-byte (x16), big endian, oldest bits in MSB"),
+ FORMATD(DSD_U32_BE, "Direct Stream Digital, 4-byte (x32), big endian, oldest bits in MSB"),
+};
+
+static const char *const snd_pcm_type_names[] = {
+ PCMTYPE(HW),
+ PCMTYPE(HOOKS),
+ PCMTYPE(MULTI),
+ PCMTYPE(FILE),
+ PCMTYPE(NULL),
+ PCMTYPE(SHM),
+ PCMTYPE(INET),
+ PCMTYPE(COPY),
+ PCMTYPE(LINEAR),
+ PCMTYPE(ALAW),
+ PCMTYPE(MULAW),
+ PCMTYPE(ADPCM),
+ PCMTYPE(RATE),
+ PCMTYPE(ROUTE),
+ PCMTYPE(PLUG),
+ PCMTYPE(SHARE),
+ PCMTYPE(METER),
+ PCMTYPE(MIX),
+ PCMTYPE(DROUTE),
+ PCMTYPE(LBSERVER),
+ PCMTYPE(LINEAR_FLOAT),
+ PCMTYPE(LADSPA),
+ PCMTYPE(DMIX),
+ PCMTYPE(JACK),
+ PCMTYPE(DSNOOP),
+ PCMTYPE(IEC958),
+ PCMTYPE(SOFTVOL),
+ PCMTYPE(IOPLUG),
+ PCMTYPE(EXTPLUG),
+ PCMTYPE(MMAP_EMUL),
+};
+
+static const char *const snd_pcm_subformat_names[] = {
+ SUBFORMAT(STD),
+};
+
+static const char *const snd_pcm_subformat_descriptions[] = {
+ SUBFORMATD(STD, "Standard"),
+};
+
+static const char *const snd_pcm_start_mode_names[] = {
+ START(EXPLICIT),
+ START(DATA),
+};
+
+static const char *const snd_pcm_xrun_mode_names[] = {
+ XRUN(NONE),
+ XRUN(STOP),
+};
+
+static const char *const snd_pcm_tstamp_mode_names[] = {
+ TSTAMP(NONE),
+ TSTAMP(ENABLE),
+};
+
+static const char *const snd_pcm_tstamp_type_names[] = {
+ TSTAMP_TYPE(GETTIMEOFDAY),
+ TSTAMP_TYPE(MONOTONIC),
+ TSTAMP_TYPE(MONOTONIC_RAW),
+};
+#endif
+
+/**
+ * \brief get name of PCM stream type
+ * \param stream PCM stream type
+ * \return ascii name of PCM stream type
+ */
+const char *snd_pcm_stream_name(snd_pcm_stream_t stream)
+{
+ if (stream > SND_PCM_STREAM_LAST)
+ return NULL;
+ return snd_pcm_stream_names[stream];
+}
+
+/**
+ * \brief get name of PCM access type
+ * \param acc PCM access type
+ * \return ascii name of PCM access type
+ */
+const char *snd_pcm_access_name(snd_pcm_access_t acc)
+{
+ if (acc > SND_PCM_ACCESS_LAST)
+ return NULL;
+ return snd_pcm_access_names[acc];
+}
+
+/**
+ * \brief get name of PCM sample format
+ * \param format PCM sample format
+ * \return ascii name of PCM sample format
+ */
+const char *snd_pcm_format_name(snd_pcm_format_t format)
+{
+ if (format > SND_PCM_FORMAT_LAST)
+ return NULL;
+ return snd_pcm_format_names[format];
+}
+
+/**
+ * \brief get description of PCM sample format
+ * \param format PCM sample format
+ * \return ascii description of PCM sample format
+ */
+const char *snd_pcm_format_description(snd_pcm_format_t format)
+{
+ if (format > SND_PCM_FORMAT_LAST)
+ return NULL;
+ return snd_pcm_format_descriptions[format];
+}
+
+/**
+ * \brief get PCM sample format from name
+ * \param name PCM sample format name (case insensitive)
+ * \return PCM sample format
+ */
+snd_pcm_format_t snd_pcm_format_value(const char* name)
+{
+ snd_pcm_format_t format;
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ if (snd_pcm_format_names[format] &&
+ strcasecmp(name, snd_pcm_format_names[format]) == 0) {
+ return format;
+ }
+ if (snd_pcm_format_aliases[format] &&
+ strcasecmp(name, snd_pcm_format_aliases[format]) == 0) {
+ return format;
+ }
+ }
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ if (snd_pcm_format_descriptions[format] &&
+ strcasecmp(name, snd_pcm_format_descriptions[format]) == 0) {
+ return format;
+ }
+ }
+ return SND_PCM_FORMAT_UNKNOWN;
+}
+
+/**
+ * \brief get name of PCM sample subformat
+ * \param subformat PCM sample subformat
+ * \return ascii name of PCM sample subformat
+ */
+const char *snd_pcm_subformat_name(snd_pcm_subformat_t subformat)
+{
+ if (subformat > SND_PCM_SUBFORMAT_LAST)
+ return NULL;
+ return snd_pcm_subformat_names[subformat];
+}
+
+/**
+ * \brief get description of PCM sample subformat
+ * \param subformat PCM sample subformat
+ * \return ascii description of PCM sample subformat
+ */
+const char *snd_pcm_subformat_description(snd_pcm_subformat_t subformat)
+{
+ if (subformat > SND_PCM_SUBFORMAT_LAST)
+ return NULL;
+ return snd_pcm_subformat_descriptions[subformat];
+}
+
+/**
+ * \brief (DEPRECATED) get name of PCM start mode setting
+ * \param mode PCM start mode
+ * \return ascii name of PCM start mode setting
+ */
+const char *snd_pcm_start_mode_name(snd_pcm_start_t mode)
+{
+ if (mode > SND_PCM_START_LAST)
+ return NULL;
+ return snd_pcm_start_mode_names[mode];
+}
+
+#ifndef DOC_HIDDEN
+link_warning(snd_pcm_start_mode_name, "Warning: start_mode is deprecated, consider to use start_threshold");
+#endif
+
+/**
+ * \brief (DEPRECATED) get name of PCM xrun mode setting
+ * \param mode PCM xrun mode
+ * \return ascii name of PCM xrun mode setting
+ */
+const char *snd_pcm_xrun_mode_name(snd_pcm_xrun_t mode)
+{
+ if (mode > SND_PCM_XRUN_LAST)
+ return NULL;
+ return snd_pcm_xrun_mode_names[mode];
+}
+
+#ifndef DOC_HIDDEN
+link_warning(snd_pcm_xrun_mode_name, "Warning: xrun_mode is deprecated, consider to use stop_threshold");
+#endif
+
+/**
+ * \brief get name of PCM tstamp mode setting
+ * \param mode PCM tstamp mode
+ * \return ascii name of PCM tstamp mode setting
+ */
+const char *snd_pcm_tstamp_mode_name(snd_pcm_tstamp_t mode)
+{
+ if (mode > SND_PCM_TSTAMP_LAST)
+ return NULL;
+ return snd_pcm_tstamp_mode_names[mode];
+}
+
+/**
+ * \brief get name of PCM tstamp type setting
+ * \param mode PCM tstamp type
+ * \return ascii name of PCM tstamp type setting
+ */
+const char *snd_pcm_tstamp_type_name(snd_pcm_tstamp_type_t type)
+{
+ if (type > SND_PCM_TSTAMP_TYPE_LAST)
+ return NULL;
+ return snd_pcm_tstamp_type_names[type];
+}
+
+/**
+ * \brief get name of PCM state
+ * \param state PCM state
+ * \return ascii name of PCM state
+ */
+const char *snd_pcm_state_name(snd_pcm_state_t state)
+{
+ if (state > SND_PCM_STATE_LAST)
+ return NULL;
+ return snd_pcm_state_names[state];
+}
+
+/**
+ * \brief get name of PCM type
+ * \param type PCM type
+ * \return ascii name of PCM type
+ */
+#ifndef DOXYGEN
+const char *INTERNAL(snd_pcm_type_name)(snd_pcm_type_t type)
+#else
+const char *snd_pcm_type_name(snd_pcm_type_t type)
+#endif
+{
+ if (type > SND_PCM_TYPE_LAST)
+ return NULL;
+ return snd_pcm_type_names[type];
+}
+use_default_symbol_version(__snd_pcm_type_name, snd_pcm_type_name, ALSA_0.9.0);
+
+/**
+ * \brief Dump current hardware setup for PCM
+ * \param pcm PCM handle
+ * \param out Output handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_dump_hw_setup(snd_pcm_t *pcm, snd_output_t *out)
+{
+ assert(pcm);
+ assert(out);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ snd_output_printf(out, " stream : %s\n", snd_pcm_stream_name(pcm->stream));
+ snd_output_printf(out, " access : %s\n", snd_pcm_access_name(pcm->access));
+ snd_output_printf(out, " format : %s\n", snd_pcm_format_name(pcm->format));
+ snd_output_printf(out, " subformat : %s\n", snd_pcm_subformat_name(pcm->subformat));
+ snd_output_printf(out, " channels : %u\n", pcm->channels);
+ snd_output_printf(out, " rate : %u\n", pcm->rate);
+ snd_output_printf(out, " exact rate : %g (%u/%u)\n",
+ (pcm->rate_den ? ((double) pcm->rate_num / pcm->rate_den) : 0.0),
+ pcm->rate_num, pcm->rate_den);
+ snd_output_printf(out, " msbits : %u\n", pcm->msbits);
+ snd_output_printf(out, " buffer_size : %lu\n", pcm->buffer_size);
+ snd_output_printf(out, " period_size : %lu\n", pcm->period_size);
+ snd_output_printf(out, " period_time : %u\n", pcm->period_time);
+ return 0;
+}
+
+/**
+ * \brief Dump current software setup for PCM
+ * \param pcm PCM handle
+ * \param out Output handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_dump_sw_setup(snd_pcm_t *pcm, snd_output_t *out)
+{
+ assert(pcm);
+ assert(out);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ snd_output_printf(out, " tstamp_mode : %s\n", snd_pcm_tstamp_mode_name(pcm->tstamp_mode));
+ snd_output_printf(out, " tstamp_type : %s\n", snd_pcm_tstamp_type_name(pcm->tstamp_type));
+ snd_output_printf(out, " period_step : %d\n", pcm->period_step);
+ snd_output_printf(out, " avail_min : %ld\n", pcm->avail_min);
+ snd_output_printf(out, " period_event : %i\n", pcm->period_event);
+ snd_output_printf(out, " start_threshold : %ld\n", pcm->start_threshold);
+ snd_output_printf(out, " stop_threshold : %ld\n", pcm->stop_threshold);
+ snd_output_printf(out, " silence_threshold: %ld\n", pcm->silence_threshold);
+ snd_output_printf(out, " silence_size : %ld\n", pcm->silence_size);
+ snd_output_printf(out, " boundary : %ld\n", pcm->boundary);
+ return 0;
+}
+
+/**
+ * \brief Dump current setup (hardware and software) for PCM
+ * \param pcm PCM handle
+ * \param out Output handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_dump_setup(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_dump_hw_setup(pcm, out);
+ snd_pcm_dump_sw_setup(pcm, out);
+ return 0;
+}
+
+/**
+ * \brief Dump status
+ * \param status Status container
+ * \param out Output handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_status_dump(snd_pcm_status_t *status, snd_output_t *out)
+{
+ assert(status);
+ snd_output_printf(out, " state : %s\n", snd_pcm_state_name((snd_pcm_state_t) status->state));
+ snd_output_printf(out, " trigger_time: %ld.%06ld\n",
+ status->trigger_tstamp.tv_sec, status->trigger_tstamp.tv_nsec);
+ snd_output_printf(out, " tstamp : %ld.%06ld\n",
+ status->tstamp.tv_sec, status->tstamp.tv_nsec);
+ snd_output_printf(out, " delay : %ld\n", (long)status->delay);
+ snd_output_printf(out, " avail : %ld\n", (long)status->avail);
+ snd_output_printf(out, " avail_max : %ld\n", (long)status->avail_max);
+ return 0;
+}
+
+/**
+ * \brief Dump PCM info
+ * \param pcm PCM handle
+ * \param out Output handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ assert(pcm);
+ assert(out);
+ pcm->ops->dump(pcm->op_arg, out);
+ return 0;
+}
+
+/**
+ * \brief Convert bytes in frames for a PCM
+ * \param pcm PCM handle
+ * \param bytes quantity in bytes
+ * \return quantity expressed in frames
+ */
+snd_pcm_sframes_t snd_pcm_bytes_to_frames(snd_pcm_t *pcm, ssize_t bytes)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return bytes * 8 / pcm->frame_bits;
+}
+
+/**
+ * \brief Convert frames in bytes for a PCM
+ * \param pcm PCM handle
+ * \param frames quantity in frames
+ * \return quantity expressed in bytes
+ */
+ssize_t snd_pcm_frames_to_bytes(snd_pcm_t *pcm, snd_pcm_sframes_t frames)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return frames * pcm->frame_bits / 8;
+}
+
+/**
+ * \brief Convert bytes in samples for a PCM
+ * \param pcm PCM handle
+ * \param bytes quantity in bytes
+ * \return quantity expressed in samples
+ */
+long snd_pcm_bytes_to_samples(snd_pcm_t *pcm, ssize_t bytes)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return bytes * 8 / pcm->sample_bits;
+}
+
+/**
+ * \brief Convert samples in bytes for a PCM
+ * \param pcm PCM handle
+ * \param samples quantity in samples
+ * \return quantity expressed in bytes
+ */
+ssize_t snd_pcm_samples_to_bytes(snd_pcm_t *pcm, long samples)
+{
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ return samples * pcm->sample_bits / 8;
+}
+
+/**
+ * \brief Add an async handler for a PCM
+ * \param handler Returned handler handle
+ * \param pcm PCM handle
+ * \param callback Callback function
+ * \param private_data Callback private data
+ * \return 0 otherwise a negative error code on failure
+ *
+ * The asynchronous callback is called when period boundary elapses.
+ */
+int snd_async_add_pcm_handler(snd_async_handler_t **handler, snd_pcm_t *pcm,
+ snd_async_callback_t callback, void *private_data)
+{
+ int err;
+ int was_empty;
+ snd_async_handler_t *h;
+ err = snd_async_add_handler(&h, _snd_pcm_async_descriptor(pcm),
+ callback, private_data);
+ if (err < 0)
+ return err;
+ h->type = SND_ASYNC_HANDLER_PCM;
+ h->u.pcm = pcm;
+ was_empty = list_empty(&pcm->async_handlers);
+ list_add_tail(&h->hlist, &pcm->async_handlers);
+ if (was_empty) {
+ err = snd_pcm_async(pcm, snd_async_handler_get_signo(h), getpid());
+ if (err < 0) {
+ snd_async_del_handler(h);
+ return err;
+ }
+ }
+ *handler = h;
+ return 0;
+}
+
+/**
+ * \brief Return PCM handle related to an async handler
+ * \param handler Async handler handle
+ * \return PCM handle
+ */
+snd_pcm_t *snd_async_handler_get_pcm(snd_async_handler_t *handler)
+{
+ if (handler->type != SND_ASYNC_HANDLER_PCM) {
+ SNDMSG("invalid handler type %d", handler->type);
+ return NULL;
+ }
+ return handler->u.pcm;
+}
+
+static const char *const build_in_pcms[] = {
+ "adpcm", "alaw", "copy", "dmix", "file", "hooks", "hw", "ladspa", "lfloat",
+ "linear", "meter", "mulaw", "multi", "null", "empty", "plug", "rate", "route", "share",
+ "shm", "dsnoop", "dshare", "asym", "iec958", "softvol", "mmap_emul",
+ NULL
+};
+
+static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *pcm_root, snd_config_t *pcm_conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ const char *str;
+ char *buf = NULL, *buf1 = NULL;
+ int err;
+ snd_config_t *conf, *type_conf = NULL, *tmp;
+ snd_config_iterator_t i, next;
+ const char *id;
+ const char *lib = NULL, *open_name = NULL;
+ int (*open_func)(snd_pcm_t **, const char *,
+ snd_config_t *, snd_config_t *,
+ snd_pcm_stream_t, int) = NULL;
+#ifndef PIC
+ extern void *snd_pcm_open_symbols(void);
+#endif
+ if (snd_config_get_type(pcm_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ char *val;
+ id = NULL;
+ snd_config_get_id(pcm_conf, &id);
+ val = NULL;
+ snd_config_get_ascii(pcm_conf, &val);
+ SNDERR("Invalid type for PCM %s%sdefinition (id: %s, value: %s)", name ? name : "", name ? " " : "", id, val);
+ free(val);
+ return -EINVAL;
+ }
+ err = snd_config_search(pcm_conf, "type", &conf);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ return err;
+ }
+ err = snd_config_get_id(conf, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(pcm_root, "pcm_type", str, &type_conf);
+ if (err >= 0) {
+ if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for PCM type %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ buf = malloc(strlen(str) + 32);
+ if (buf == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ open_name = buf;
+ sprintf(buf, "_snd_pcm_%s_open", str);
+ }
+ if (!lib) {
+ const char *const *build_in = build_in_pcms;
+ while (*build_in) {
+ if (!strcmp(*build_in, str))
+ break;
+ build_in++;
+ }
+ if (*build_in == NULL) {
+ buf1 = malloc(strlen(str) + sizeof(ALSA_PLUGIN_DIR) + 32);
+ if (buf1 == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ lib = buf1;
+ sprintf(buf1, "%s/libasound_module_pcm_%s.so", ALSA_PLUGIN_DIR, str);
+ }
+ }
+#ifndef PIC
+ snd_pcm_open_symbols(); /* this call is for static linking only */
+#endif
+ open_func = snd_dlobj_cache_get(lib, open_name,
+ SND_DLSYM_VERSION(SND_PCM_DLSYM_VERSION), 1);
+ if (open_func) {
+ err = open_func(pcmp, name, pcm_root, pcm_conf, stream, mode);
+ if (err >= 0) {
+ if ((*pcmp)->open_func) {
+ /* only init plugin (like empty, asym) */
+ snd_dlobj_cache_put(open_func);
+ } else {
+ (*pcmp)->open_func = open_func;
+ }
+ err = 0;
+ } else {
+ snd_dlobj_cache_put(open_func);
+ }
+ } else {
+ err = -ENXIO;
+ }
+ if (err >= 0) {
+ err = snd_config_search(pcm_root, "defaults.pcm.compat", &tmp);
+ if (err >= 0) {
+ long i;
+ if (snd_config_get_integer(tmp, &i) >= 0) {
+ if (i > 0)
+ (*pcmp)->compat = 1;
+ }
+ } else {
+ char *str = getenv("LIBASOUND_COMPAT");
+ if (str && *str)
+ (*pcmp)->compat = 1;
+ }
+ err = snd_config_search(pcm_root, "defaults.pcm.minperiodtime", &tmp);
+ if (err >= 0)
+ snd_config_get_integer(tmp, &(*pcmp)->minperiodtime);
+ err = 0;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ free(buf);
+ free(buf1);
+ return err;
+}
+
+static int snd_pcm_open_noupdate(snd_pcm_t **pcmp, snd_config_t *root,
+ const char *name, snd_pcm_stream_t stream,
+ int mode, int hop)
+{
+ int err;
+ snd_config_t *pcm_conf;
+ const char *str;
+
+ err = snd_config_search_definition(root, "pcm", name, &pcm_conf);
+ if (err < 0) {
+ SNDERR("Unknown PCM %s", name);
+ return err;
+ }
+ if (snd_config_get_string(pcm_conf, &str) >= 0)
+ err = snd_pcm_open_noupdate(pcmp, root, str, stream, mode,
+ hop + 1);
+ else {
+ snd_config_set_hop(pcm_conf, hop);
+ err = snd_pcm_open_conf(pcmp, name, root, pcm_conf, stream, mode);
+ }
+ snd_config_delete(pcm_conf);
+ return err;
+}
+
+/**
+ * \brief Opens a PCM
+ * \param pcmp Returned PCM handle
+ * \param name ASCII identifier of the PCM handle
+ * \param stream Wanted stream
+ * \param mode Open mode (see #SND_PCM_NONBLOCK, #SND_PCM_ASYNC)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_stream_t stream, int mode)
+{
+ int err;
+ assert(pcmp && name);
+ err = snd_config_update();
+ if (err < 0)
+ return err;
+ return snd_pcm_open_noupdate(pcmp, snd_config, name, stream, mode, 0);
+}
+
+/**
+ * \brief Opens a PCM using local configuration
+ * \param pcmp Returned PCM handle
+ * \param name ASCII identifier of the PCM handle
+ * \param stream Wanted stream
+ * \param mode Open mode (see #SND_PCM_NONBLOCK, #SND_PCM_ASYNC)
+ * \param lconf Local configuration
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_open_lconf(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_stream_t stream, int mode,
+ snd_config_t *lconf)
+{
+ assert(pcmp && name && lconf);
+ return snd_pcm_open_noupdate(pcmp, lconf, name, stream, mode, 0);
+}
+
+/**
+ * \brief Opens a fallback PCM
+ * \param pcmp Returned PCM handle
+ * \param root Configuration root
+ * \param name ASCII identifier of the PCM handle
+ * \param orig_name The original ASCII name
+ * \param stream Wanted stream
+ * \param mode Open mode (see #SND_PCM_NONBLOCK, #SND_PCM_ASYNC)
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_open_fallback(snd_pcm_t **pcmp, snd_config_t *root,
+ const char *name, const char *orig_name,
+ snd_pcm_stream_t stream, int mode)
+{
+ int err;
+ assert(pcmp && name && root);
+ err = snd_pcm_open_noupdate(pcmp, root, name, stream, mode, 0);
+ if (err >= 0) {
+ free((*pcmp)->name);
+ (*pcmp)->name = orig_name ? strdup(orig_name) : NULL;
+ }
+ return err;
+}
+
+#ifndef DOC_HIDDEN
+int snd_pcm_new(snd_pcm_t **pcmp, snd_pcm_type_t type, const char *name,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_pcm_t *pcm;
+ pcm = calloc(1, sizeof(*pcm));
+ if (!pcm)
+ return -ENOMEM;
+ pcm->type = type;
+ if (name)
+ pcm->name = strdup(name);
+ pcm->stream = stream;
+ pcm->mode = mode;
+ pcm->poll_fd_count = 1;
+ pcm->poll_fd = -1;
+ pcm->op_arg = pcm;
+ pcm->fast_op_arg = pcm;
+ INIT_LIST_HEAD(&pcm->async_handlers);
+ *pcmp = pcm;
+ return 0;
+}
+
+int snd_pcm_free(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ free(pcm->name);
+ free(pcm->hw.link_dst);
+ free(pcm->appl.link_dst);
+ snd_dlobj_cache_put(pcm->open_func);
+ free(pcm);
+ return 0;
+}
+
+int snd_pcm_open_named_slave(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root,
+ snd_config_t *conf, snd_pcm_stream_t stream,
+ int mode, snd_config_t *parent_conf)
+{
+ const char *str;
+ int hop;
+
+ if ((hop = snd_config_check_hop(parent_conf)) < 0)
+ return hop;
+ if (snd_config_get_string(conf, &str) >= 0)
+ return snd_pcm_open_noupdate(pcmp, root, str, stream, mode,
+ hop + 1);
+ return snd_pcm_open_conf(pcmp, name, root, conf, stream, mode);
+}
+#endif
+
+/**
+ * \brief Wait for a PCM to become ready
+ * \param pcm PCM handle
+ * \param timeout maximum time in milliseconds to wait,
+ * a negative value means infinity
+ * \return a positive value on success otherwise a negative error code
+ * (-EPIPE for the xrun and -ESTRPIPE for the suspended status,
+ * others for general errors)
+ * \retval 0 timeout occurred
+ * \retval 1 PCM stream is ready for I/O
+ */
+int snd_pcm_wait(snd_pcm_t *pcm, int timeout)
+{
+ if (!snd_pcm_may_wait_for_avail_min(pcm, snd_pcm_mmap_avail(pcm))) {
+ /* check more precisely */
+ switch (snd_pcm_state(pcm)) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SND_PCM_STATE_SUSPENDED:
+ return -ESTRPIPE;
+ case SND_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return 1;
+ }
+ }
+ return snd_pcm_wait_nocheck(pcm, timeout);
+}
+
+#ifndef DOC_HIDDEN
+/*
+ * like snd_pcm_wait() but doesn't check mmap_avail before calling poll()
+ *
+ * used in drain code in some plugins
+ */
+int snd_pcm_wait_nocheck(snd_pcm_t *pcm, int timeout)
+{
+ struct pollfd *pfd;
+ unsigned short revents = 0;
+ int npfds, err, err_poll;
+
+ npfds = snd_pcm_poll_descriptors_count(pcm);
+ if (npfds <= 0 || npfds >= 16) {
+ SNDERR("Invalid poll_fds %d\n", npfds);
+ return -EIO;
+ }
+ pfd = alloca(sizeof(*pfd) * npfds);
+ err = snd_pcm_poll_descriptors(pcm, pfd, npfds);
+ if (err < 0)
+ return err;
+ if (err != npfds) {
+ SNDMSG("invalid poll descriptors %d\n", err);
+ return -EIO;
+ }
+ do {
+ err_poll = poll(pfd, npfds, timeout);
+ if (err_poll < 0) {
+ if (errno == EINTR && !PCMINABORT(pcm))
+ continue;
+ return -errno;
+ }
+ if (! err_poll)
+ break;
+ err = snd_pcm_poll_descriptors_revents(pcm, pfd, npfds, &revents);
+ if (err < 0)
+ return err;
+ if (revents & (POLLERR | POLLNVAL)) {
+ /* check more precisely */
+ switch (snd_pcm_state(pcm)) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SND_PCM_STATE_SUSPENDED:
+ return -ESTRPIPE;
+ case SND_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return -EIO;
+ }
+ }
+ } while (!(revents & (POLLIN | POLLOUT)));
+#if 0 /* very useful code to test poll related problems */
+ {
+ snd_pcm_sframes_t avail_update;
+ snd_pcm_hwsync(pcm);
+ avail_update = snd_pcm_avail_update(pcm);
+ if (avail_update < (snd_pcm_sframes_t)pcm->avail_min) {
+ printf("*** snd_pcm_wait() FATAL ERROR!!!\n");
+ printf("avail_min = %li, avail_update = %li\n", pcm->avail_min, avail_update);
+ }
+ }
+#endif
+ return err_poll > 0 ? 1 : 0;
+}
+#endif
+
+/**
+ * \brief Return number of frames ready to be read (capture) / written (playback)
+ * \param pcm PCM handle
+ * \return a positive number of frames ready otherwise a negative
+ * error code
+ *
+ * On capture does all the actions needed to transport to application
+ * level all the ready frames across underlying layers.
+ *
+ * The position is not synced with hardware (driver) position in the sound
+ * ring buffer in this function. This function is a light version of
+ * #snd_pcm_avail() .
+ *
+ * Using this function is ideal after poll() or select() when audio
+ * file descriptor made the event and when application expects just period
+ * timing.
+ *
+ * Also this function might be called after #snd_pcm_delay() or
+ * #snd_pcm_hwsync() functions to move private ring buffer pointers
+ * in alsa-lib (the internal plugin chain).
+ */
+snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm)
+{
+ return pcm->fast_ops->avail_update(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Return number of frames ready to be read (capture) / written (playback)
+ * \param pcm PCM handle
+ * \return a positive number of frames ready otherwise a negative
+ * error code
+ *
+ * On capture does all the actions needed to transport to application
+ * level all the ready frames across underlying layers.
+ *
+ * The position is synced with hardware (driver) position in the sound
+ * ring buffer in this functions.
+ */
+snd_pcm_sframes_t snd_pcm_avail(snd_pcm_t *pcm)
+{
+ int err;
+
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ err = pcm->fast_ops->hwsync(pcm->fast_op_arg);
+ if (err < 0)
+ return err;
+ return pcm->fast_ops->avail_update(pcm->fast_op_arg);
+}
+
+/**
+ * \brief Combine snd_pcm_avail and snd_pcm_delay functions
+ * \param pcm PCM handle
+ * \param availp Number of available frames in the ring buffer
+ * \param delayp Total I/O latency in frames
+ * \return zero on success otherwise a negative error code
+ *
+ * The avail and delay values retuned are in sync.
+ */
+int snd_pcm_avail_delay(snd_pcm_t *pcm,
+ snd_pcm_sframes_t *availp,
+ snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_sframes_t sf;
+ int err;
+
+ assert(pcm && availp && delayp);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ err = pcm->fast_ops->hwsync(pcm->fast_op_arg);
+ if (err < 0)
+ return err;
+ sf = pcm->fast_ops->avail_update(pcm->fast_op_arg);
+ if (sf < 0)
+ return (int)sf;
+ err = pcm->fast_ops->delay(pcm->fast_op_arg, delayp);
+ if (err < 0)
+ return err;
+ *availp = sf;
+ return 0;
+}
+
+/**
+ * \brief Silence an area
+ * \param dst_area area specification
+ * \param dst_offset offset in frames inside area
+ * \param samples samples to silence
+ * \param format PCM sample format
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_area, snd_pcm_uframes_t dst_offset,
+ unsigned int samples, snd_pcm_format_t format)
+{
+ /* FIXME: sub byte resolution and odd dst_offset */
+ char *dst;
+ unsigned int dst_step;
+ int width;
+ u_int64_t silence;
+ if (!dst_area->addr)
+ return 0;
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ width = snd_pcm_format_physical_width(format);
+ silence = snd_pcm_format_silence_64(format);
+ if (dst_area->step == (unsigned int) width) {
+ unsigned int dwords = samples * width / 64;
+ u_int64_t *dstp = (u_int64_t *)dst;
+ samples -= dwords * 64 / width;
+ while (dwords-- > 0)
+ *dstp++ = silence;
+ if (samples == 0)
+ return 0;
+ }
+ dst_step = dst_area->step / 8;
+ switch (width) {
+ case 4: {
+ u_int8_t s0 = silence & 0xf0;
+ u_int8_t s1 = silence & 0x0f;
+ int dstbit = dst_area->first % 8;
+ int dstbit_step = dst_area->step % 8;
+ while (samples-- > 0) {
+ if (dstbit) {
+ *dst &= 0xf0;
+ *dst |= s1;
+ } else {
+ *dst &= 0x0f;
+ *dst |= s0;
+ }
+ dst += dst_step;
+ dstbit += dstbit_step;
+ if (dstbit == 8) {
+ dst++;
+ dstbit = 0;
+ }
+ }
+ break;
+ }
+ case 8: {
+ u_int8_t sil = silence;
+ while (samples-- > 0) {
+ *dst = sil;
+ dst += dst_step;
+ }
+ break;
+ }
+ case 16: {
+ u_int16_t sil = silence;
+ while (samples-- > 0) {
+ *(u_int16_t*)dst = sil;
+ dst += dst_step;
+ }
+ break;
+ }
+ case 24:
+#ifdef SNDRV_LITTLE_ENDIAN
+ *(dst + 0) = silence >> 0;
+ *(dst + 1) = silence >> 8;
+ *(dst + 2) = silence >> 16;
+#else
+ *(dst + 2) = silence >> 0;
+ *(dst + 1) = silence >> 8;
+ *(dst + 0) = silence >> 16;
+#endif
+ break;
+ case 32: {
+ u_int32_t sil = silence;
+ while (samples-- > 0) {
+ *(u_int32_t*)dst = sil;
+ dst += dst_step;
+ }
+ break;
+ }
+ case 64: {
+ while (samples-- > 0) {
+ *(u_int64_t*)dst = silence;
+ dst += dst_step;
+ }
+ break;
+ }
+ default:
+ SNDMSG("invalid format width %d", width);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/**
+ * \brief Silence one or more areas
+ * \param dst_areas areas specification (one for each channel)
+ * \param dst_offset offset in frames inside area
+ * \param channels channels count
+ * \param frames frames to silence
+ * \param format PCM sample format
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_areas_silence(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format)
+{
+ int width = snd_pcm_format_physical_width(format);
+ while (channels > 0) {
+ void *addr = dst_areas->addr;
+ unsigned int step = dst_areas->step;
+ const snd_pcm_channel_area_t *begin = dst_areas;
+ int channels1 = channels;
+ unsigned int chns = 0;
+ int err;
+ while (1) {
+ channels1--;
+ chns++;
+ dst_areas++;
+ if (channels1 == 0 ||
+ dst_areas->addr != addr ||
+ dst_areas->step != step ||
+ dst_areas->first != dst_areas[-1].first + width)
+ break;
+ }
+ if (chns > 1 && chns * width == step) {
+ /* Collapse the areas */
+ snd_pcm_channel_area_t d;
+ d.addr = begin->addr;
+ d.first = begin->first;
+ d.step = width;
+ err = snd_pcm_area_silence(&d, dst_offset * chns, frames * chns, format);
+ channels -= chns;
+ } else {
+ err = snd_pcm_area_silence(begin, dst_offset, frames, format);
+ dst_areas = begin + 1;
+ channels--;
+ }
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+
+/**
+ * \brief Copy an area
+ * \param dst_area destination area specification
+ * \param dst_offset offset in frames inside destination area
+ * \param src_area source area specification
+ * \param src_offset offset in frames inside source area
+ * \param samples samples to copy
+ * \param format PCM sample format
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_area_copy(const snd_pcm_channel_area_t *dst_area, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_area, snd_pcm_uframes_t src_offset,
+ unsigned int samples, snd_pcm_format_t format)
+{
+ /* FIXME: sub byte resolution and odd dst_offset */
+ const char *src;
+ char *dst;
+ int width;
+ int src_step, dst_step;
+ if (dst_area == src_area && dst_offset == src_offset)
+ return 0;
+ if (!src_area->addr)
+ return snd_pcm_area_silence(dst_area, dst_offset, samples, format);
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ if (!dst_area->addr)
+ return 0;
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ width = snd_pcm_format_physical_width(format);
+ if (src_area->step == (unsigned int) width &&
+ dst_area->step == (unsigned int) width) {
+ size_t bytes = samples * width / 8;
+ samples -= bytes * 8 / width;
+ assert(src < dst || src >= dst + bytes);
+ assert(dst < src || dst >= src + bytes);
+ memcpy(dst, src, bytes);
+ if (samples == 0)
+ return 0;
+ }
+ src_step = src_area->step / 8;
+ dst_step = dst_area->step / 8;
+ switch (width) {
+ case 4: {
+ int srcbit = src_area->first % 8;
+ int srcbit_step = src_area->step % 8;
+ int dstbit = dst_area->first % 8;
+ int dstbit_step = dst_area->step % 8;
+ while (samples-- > 0) {
+ unsigned char srcval;
+ if (srcbit)
+ srcval = *src & 0x0f;
+ else
+ srcval = *src & 0xf0;
+ if (dstbit)
+ *dst &= 0xf0;
+ else
+ *dst &= 0x0f;
+ *dst |= srcval;
+ src += src_step;
+ srcbit += srcbit_step;
+ if (srcbit == 8) {
+ src++;
+ srcbit = 0;
+ }
+ dst += dst_step;
+ dstbit += dstbit_step;
+ if (dstbit == 8) {
+ dst++;
+ dstbit = 0;
+ }
+ }
+ break;
+ }
+ case 8: {
+ while (samples-- > 0) {
+ *dst = *src;
+ src += src_step;
+ dst += dst_step;
+ }
+ break;
+ }
+ case 16: {
+ while (samples-- > 0) {
+ *(u_int16_t*)dst = *(const u_int16_t*)src;
+ src += src_step;
+ dst += dst_step;
+ }
+ break;
+ }
+ case 24:
+ while (samples-- > 0) {
+ *(dst + 0) = *(src + 0);
+ *(dst + 1) = *(src + 1);
+ *(dst + 2) = *(src + 2);
+ src += src_step;
+ dst += dst_step;
+ }
+ break;
+ case 32: {
+ while (samples-- > 0) {
+ *(u_int32_t*)dst = *(const u_int32_t*)src;
+ src += src_step;
+ dst += dst_step;
+ }
+ break;
+ }
+ case 64: {
+ while (samples-- > 0) {
+ *(u_int64_t*)dst = *(const u_int64_t*)src;
+ src += src_step;
+ dst += dst_step;
+ }
+ break;
+ }
+ default:
+ SNDMSG("invalid format width %d", width);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/**
+ * \brief Copy one or more areas
+ * \param dst_areas destination areas specification (one for each channel)
+ * \param dst_offset offset in frames inside destination area
+ * \param src_areas source areas specification (one for each channel)
+ * \param src_offset offset in frames inside source area
+ * \param channels channels count
+ * \param frames frames to copy
+ * \param format PCM sample format
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_areas_copy(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format)
+{
+ int width = snd_pcm_format_physical_width(format);
+ assert(dst_areas);
+ assert(src_areas);
+ if (! channels) {
+ SNDMSG("invalid channels %d", channels);
+ return -EINVAL;
+ }
+ if (! frames) {
+ SNDMSG("invalid frames %ld", frames);
+ return -EINVAL;
+ }
+ while (channels > 0) {
+ unsigned int step = src_areas->step;
+ void *src_addr = src_areas->addr;
+ const snd_pcm_channel_area_t *src_start = src_areas;
+ void *dst_addr = dst_areas->addr;
+ const snd_pcm_channel_area_t *dst_start = dst_areas;
+ int channels1 = channels;
+ unsigned int chns = 0;
+ while (dst_areas->step == step) {
+ channels1--;
+ chns++;
+ src_areas++;
+ dst_areas++;
+ if (channels1 == 0 ||
+ src_areas->step != step ||
+ src_areas->addr != src_addr ||
+ dst_areas->addr != dst_addr ||
+ src_areas->first != src_areas[-1].first + width ||
+ dst_areas->first != dst_areas[-1].first + width)
+ break;
+ }
+ if (chns > 1 && chns * width == step) {
+ if (src_offset != dst_offset ||
+ src_start->addr != dst_start->addr ||
+ src_start->first != dst_start->first) {
+ /* Collapse the areas */
+ snd_pcm_channel_area_t s, d;
+ s.addr = src_start->addr;
+ s.first = src_start->first;
+ s.step = width;
+ d.addr = dst_start->addr;
+ d.first = dst_start->first;
+ d.step = width;
+ snd_pcm_area_copy(&d, dst_offset * chns,
+ &s, src_offset * chns,
+ frames * chns, format);
+ }
+ channels -= chns;
+ } else {
+ snd_pcm_area_copy(dst_start, dst_offset,
+ src_start, src_offset,
+ frames, format);
+ src_areas = src_start + 1;
+ dst_areas = dst_start + 1;
+ channels--;
+ }
+ }
+ return 0;
+}
+
+static void dump_one_param(snd_pcm_hw_params_t *params, unsigned int k, snd_output_t *out)
+{
+ snd_output_printf(out, "%s: ", snd_pcm_hw_param_name(k));
+ snd_pcm_hw_param_dump(params, k, out);
+ snd_output_putc(out, '\n');
+}
+
+/**
+ * \brief Dump a PCM hardware configuration space
+ * \param params Configuration space
+ * \param out Output handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_hw_params_dump(snd_pcm_hw_params_t *params, snd_output_t *out)
+{
+ unsigned int k;
+ for (k = SND_PCM_HW_PARAM_FIRST_MASK; k <= SND_PCM_HW_PARAM_LAST_MASK; k++)
+ dump_one_param(params, k, out);
+ for (k = SND_PCM_HW_PARAM_FIRST_INTERVAL; k <= SND_PCM_HW_PARAM_LAST_INTERVAL; k++)
+ dump_one_param(params, k, out);
+ return 0;
+}
+
+/**
+ * \brief Check if hardware supports sample-resolution mmap for given configuration
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't support sample-resolution mmap
+ * \retval 1 Hardware supports sample-resolution mmap
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_can_mmap_sample_resolution(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_MMAP_VALID);
+}
+
+/**
+ * \brief Check if hardware does double buffering for start/stop for given configuration
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't do double buffering for start/stop
+ * \retval 1 Hardware does double buffering for start/stop
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_is_double(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_DOUBLE);
+}
+
+/**
+ * \brief Check if hardware does double buffering for data transfers for given configuration
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't do double buffering for data transfers
+ * \retval 1 Hardware does double buffering for data transfers
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_is_batch(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_BATCH);
+}
+
+/**
+ * \brief Check if hardware does block transfers for samples for given configuration
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't block transfers
+ * \retval 1 Hardware does block transfers
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_is_block_transfer(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_BLOCK_TRANSFER);
+}
+
+/**
+ * \brief Check if timestamps are monotonic for given configuration
+ * \param params Configuration space
+ * \retval 0 Device doesn't do monotomic timestamps
+ * \retval 1 Device does monotonic timestamps
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_is_monotonic(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SND_PCM_INFO_MONOTONIC);
+}
+
+/**
+ * \brief Check if hardware supports overrange detection
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't support overrange detection
+ * \retval 1 Hardware supports overrange detection
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_can_overrange(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_OVERRANGE);
+}
+
+/**
+ * \brief Check if hardware supports pause
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't support pause
+ * \retval 1 Hardware supports pause
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_can_pause(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_PAUSE);
+}
+
+/**
+ * \brief Check if hardware supports resume
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't support resume
+ * \retval 1 Hardware supports resume
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_can_resume(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_RESUME);
+}
+
+/**
+ * \brief Check if hardware does half-duplex only
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't do half-duplex
+ * \retval 1 Hardware does half-duplex
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_is_half_duplex(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_HALF_DUPLEX);
+}
+
+/**
+ * \brief Check if hardware does joint-duplex (playback and capture are somewhat correlated)
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't do joint-duplex
+ * \retval 1 Hardware does joint-duplex
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_is_joint_duplex(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_JOINT_DUPLEX);
+}
+
+/**
+ * \brief Check if hardware supports synchronized start with sample resolution
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't support synchronized start
+ * \retval 1 Hardware supports synchronized start
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_can_sync_start(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_SYNC_START);
+}
+
+/**
+ * \brief Check if hardware can disable period wakeups
+ * \param params Configuration space
+ * \retval 0 Hardware cannot disable period wakeups
+ * \retval 1 Hardware can disable period wakeups
+ */
+int snd_pcm_hw_params_can_disable_period_wakeup(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_NO_PERIOD_WAKEUP);
+}
+
+/**
+ * \brief Check if hardware supports audio wallclock timestamps
+ * \param params Configuration space
+ * \retval 0 Hardware doesn't support audio wallclock timestamps
+ * \retval 1 Hardware supports audio wallclock timestamps
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_supports_audio_wallclock_ts(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return 0; /* FIXME: should be a negative error? */
+ }
+ return !!(params->info & SNDRV_PCM_INFO_HAS_WALL_CLOCK);
+}
+
+/**
+ * \brief Get rate exact info from a configuration space
+ * \param params Configuration space
+ * \param rate_num Pointer to returned rate numerator
+ * \param rate_den Pointer to returned rate denominator
+ * \return 0 otherwise a negative error code if the info is not available
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params,
+ unsigned int *rate_num, unsigned int *rate_den)
+{
+ assert(params);
+ if (CHECK_SANITY(params->rate_den == 0)) {
+ SNDMSG("invalid rate_den value");
+ return -EINVAL;
+ }
+ *rate_num = params->rate_num;
+ *rate_den = params->rate_den;
+ return 0;
+}
+
+/**
+ * \brief Get sample resolution info from a configuration space
+ * \param params Configuration space
+ * \return signification bits in sample otherwise a negative error code if the info is not available
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_get_sbits(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->msbits == 0)) {
+ SNDMSG("invalid msbits value");
+ return -EINVAL;
+ }
+ return params->msbits;
+}
+
+/**
+ * \brief Get hardware FIFO size info from a configuration space
+ * \param params Configuration space
+ * \return FIFO size in frames otherwise a negative error code if the info is not available
+ *
+ * This function should only be called when the configuration space
+ * contains a single configuration. Call #snd_pcm_hw_params to choose
+ * a single configuration from the configuration space.
+ */
+int snd_pcm_hw_params_get_fifo_size(const snd_pcm_hw_params_t *params)
+{
+ assert(params);
+ if (CHECK_SANITY(params->info == ~0U)) {
+ SNDMSG("invalid PCM info field");
+ return -EINVAL;
+ }
+ return params->fifo_size;
+}
+
+/**
+ * \brief Fill params with a full configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ *
+ * The configuration space will be filled with all possible ranges
+ * for the PCM device.
+ */
+int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ _snd_pcm_hw_params_any(params);
+ return snd_pcm_hw_refine(pcm, params);
+}
+
+/**
+ * \brief get size of #snd_pcm_access_mask_t
+ * \return size in bytes
+ */
+size_t snd_pcm_access_mask_sizeof()
+{
+ return sizeof(snd_pcm_access_mask_t);
+}
+
+/**
+ * \brief allocate an empty #snd_pcm_access_mask_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_access_mask_malloc(snd_pcm_access_mask_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_access_mask_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_pcm_access_mask_t
+ * \param obj pointer to object to free
+ */
+void snd_pcm_access_mask_free(snd_pcm_access_mask_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_pcm_access_mask_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_pcm_access_mask_copy(snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief reset all bits in a #snd_pcm_access_mask_t
+ * \param mask pointer to mask
+ */
+void snd_pcm_access_mask_none(snd_pcm_access_mask_t *mask)
+{
+ snd_mask_none((snd_mask_t *) mask);
+}
+
+/**
+ * \brief set all bits in a #snd_pcm_access_mask_t
+ * \param mask pointer to mask
+ */
+void snd_pcm_access_mask_any(snd_pcm_access_mask_t *mask)
+{
+ snd_mask_any((snd_mask_t *) mask);
+}
+
+/**
+ * \brief test the presence of an access type in a #snd_pcm_access_mask_t
+ * \param mask pointer to mask
+ * \param val access type
+ */
+int snd_pcm_access_mask_test(const snd_pcm_access_mask_t *mask, snd_pcm_access_t val)
+{
+ return snd_mask_test((const snd_mask_t *) mask, (unsigned long) val);
+}
+
+/**
+ * \brief test, if given a #snd_pcm_access_mask_t is empty
+ * \param mask pointer to mask
+ * \retval 0 not empty
+ * \retval 1 empty
+ */
+int snd_pcm_access_mask_empty(const snd_pcm_access_mask_t *mask)
+{
+ return snd_mask_empty((const snd_mask_t *) mask);
+}
+
+/**
+ * \brief make an access type present in a #snd_pcm_access_mask_t
+ * \param mask pointer to mask
+ * \param val access type
+ */
+void snd_pcm_access_mask_set(snd_pcm_access_mask_t *mask, snd_pcm_access_t val)
+{
+ snd_mask_set((snd_mask_t *) mask, (unsigned long) val);
+}
+
+/**
+ * \brief make an access type missing from a #snd_pcm_access_mask_t
+ * \param mask pointer to mask
+ * \param val access type
+ */
+void snd_pcm_access_mask_reset(snd_pcm_access_mask_t *mask, snd_pcm_access_t val)
+{
+ snd_mask_reset((snd_mask_t *) mask, (unsigned long) val);
+}
+
+/**
+ * \brief get size of #snd_pcm_format_mask_t
+ * \return size in bytes
+ */
+size_t snd_pcm_format_mask_sizeof()
+{
+ return sizeof(snd_pcm_format_mask_t);
+}
+
+/**
+ * \brief allocate an empty #snd_pcm_format_mask_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_format_mask_malloc(snd_pcm_format_mask_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_format_mask_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_pcm_format_mask_t
+ * \param obj pointer to object to free
+ */
+void snd_pcm_format_mask_free(snd_pcm_format_mask_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_pcm_format_mask_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_pcm_format_mask_copy(snd_pcm_format_mask_t *dst, const snd_pcm_format_mask_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief reset all bits in a #snd_pcm_format_mask_t
+ * \param mask pointer to mask
+ */
+void snd_pcm_format_mask_none(snd_pcm_format_mask_t *mask)
+{
+ snd_mask_none((snd_mask_t *) mask);
+}
+
+/**
+ * \brief set all bits in a #snd_pcm_format_mask_t
+ * \param mask pointer to mask
+ */
+void snd_pcm_format_mask_any(snd_pcm_format_mask_t *mask)
+{
+ snd_mask_any((snd_mask_t *) mask);
+}
+
+/**
+ * \brief test the presence of a format in a #snd_pcm_format_mask_t
+ * \param mask pointer to mask
+ * \param val format
+ */
+int snd_pcm_format_mask_test(const snd_pcm_format_mask_t *mask, snd_pcm_format_t val)
+{
+ return snd_mask_test((const snd_mask_t *) mask, (unsigned long) val);
+}
+
+/**
+ * \brief test, if given a #snd_pcm_format_mask_t is empty
+ * \param mask pointer to mask
+ * \retval 0 not empty
+ * \retval 1 empty
+ */
+int snd_pcm_format_mask_empty(const snd_pcm_format_mask_t *mask)
+{
+ return snd_mask_empty((const snd_mask_t *) mask);
+}
+
+/**
+ * \brief make a format present in a #snd_pcm_format_mask_t
+ * \param mask pointer to mask
+ * \param val format
+ */
+void snd_pcm_format_mask_set(snd_pcm_format_mask_t *mask, snd_pcm_format_t val)
+{
+ snd_mask_set((snd_mask_t *) mask, (unsigned long) val);
+}
+
+/**
+ * \brief make a format missing from a #snd_pcm_format_mask_t
+ * \param mask pointer to mask
+ * \param val format
+ */
+void snd_pcm_format_mask_reset(snd_pcm_format_mask_t *mask, snd_pcm_format_t val)
+{
+ snd_mask_reset((snd_mask_t *) mask, (unsigned long) val);
+}
+
+
+/**
+ * \brief get size of #snd_pcm_subformat_mask_t
+ * \return size in bytes
+ */
+size_t snd_pcm_subformat_mask_sizeof()
+{
+ return sizeof(snd_pcm_subformat_mask_t);
+}
+
+/**
+ * \brief allocate an empty #snd_pcm_subformat_mask_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_subformat_mask_malloc(snd_pcm_subformat_mask_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_subformat_mask_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_pcm_subformat_mask_t
+ * \param obj pointer to object to free
+ */
+void snd_pcm_subformat_mask_free(snd_pcm_subformat_mask_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_pcm_subformat_mask_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_pcm_subformat_mask_copy(snd_pcm_subformat_mask_t *dst, const snd_pcm_subformat_mask_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief reset all bits in a #snd_pcm_subformat_mask_t
+ * \param mask pointer to mask
+ */
+void snd_pcm_subformat_mask_none(snd_pcm_subformat_mask_t *mask)
+{
+ snd_mask_none((snd_mask_t *) mask);
+}
+
+/**
+ * \brief set all bits in a #snd_pcm_subformat_mask_t
+ * \param mask pointer to mask
+ */
+void snd_pcm_subformat_mask_any(snd_pcm_subformat_mask_t *mask)
+{
+ snd_mask_any((snd_mask_t *) mask);
+}
+
+/**
+ * \brief test the presence of a subformat in a #snd_pcm_subformat_mask_t
+ * \param mask pointer to mask
+ * \param val subformat
+ */
+int snd_pcm_subformat_mask_test(const snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val)
+{
+ return snd_mask_test((const snd_mask_t *) mask, (unsigned long) val);
+}
+
+/**
+ * \brief test, if given a #snd_pcm_subformat_mask_t is empty
+ * \param mask pointer to mask
+ * \retval 0 not empty
+ * \retval 1 empty
+ */
+int snd_pcm_subformat_mask_empty(const snd_pcm_subformat_mask_t *mask)
+{
+ return snd_mask_empty((const snd_mask_t *) mask);
+}
+
+/**
+ * \brief make a subformat present in a #snd_pcm_subformat_mask_t
+ * \param mask pointer to mask
+ * \param val subformat
+ */
+void snd_pcm_subformat_mask_set(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val)
+{
+ snd_mask_set((snd_mask_t *) mask, (unsigned long) val);
+}
+
+/**
+ * \brief make a subformat missing from a #snd_pcm_subformat_mask_t
+ * \param mask pointer to mask
+ * \param val subformat
+ */
+void snd_pcm_subformat_mask_reset(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val)
+{
+ snd_mask_reset((snd_mask_t *) mask, (unsigned long) val);
+}
+
+
+/**
+ * \brief get size of #snd_pcm_hw_params_t
+ * \return size in bytes
+ */
+size_t snd_pcm_hw_params_sizeof()
+{
+ return sizeof(snd_pcm_hw_params_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_pcm_hw_params_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_hw_params_malloc(snd_pcm_hw_params_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_hw_params_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_pcm_hw_params_t
+ * \param obj pointer to object to free
+ */
+void snd_pcm_hw_params_free(snd_pcm_hw_params_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_pcm_hw_params_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_pcm_hw_params_copy(snd_pcm_hw_params_t *dst, const snd_pcm_hw_params_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Extract access type from a configuration space
+ * \param params Configuration space
+ * \param access Returned value
+ * \return access type otherwise a negative error code if the configuration space does not contain a single value
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_access)(const snd_pcm_hw_params_t *params, snd_pcm_access_t *access)
+#else
+int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params, snd_pcm_access_t *access)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_ACCESS, &_val, NULL);
+ if (err >= 0)
+ *access = _val;
+ return err;
+}
+
+/**
+ * \brief Verify if an access type is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param access access type
+ * \return 0 if available a negative error code otherwise
+ */
+int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t access)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_ACCESS, access, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one access type
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param access access type
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t access)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_ACCESS, access, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its first access type
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param access Returned first access type
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_access_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *access)
+#else
+int snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *access)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_ACCESS, access, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its last access type
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param access Returned last access type
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_access_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *access)
+#else
+int snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *access)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_ACCESS, access, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only a set of access types
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param mask Access mask
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask)
+{
+ return snd_pcm_hw_param_set_mask(pcm, params, SND_TRY, SND_PCM_HW_PARAM_ACCESS, (snd_mask_t *) mask);
+}
+
+/**
+ * \brief Get access mask from a configuration space
+ * \param params Configuration space
+ * \param mask Returned Access mask
+ */
+int snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask)
+{
+ if (params == NULL || mask == NULL)
+ return -EINVAL;
+ snd_pcm_access_mask_copy(mask, snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS));
+ return 0;
+}
+
+
+/**
+ * \brief Extract format from a configuration space
+ * \param params Configuration space
+ * \param format returned format
+ * \return format otherwise a negative error code if the configuration space does not contain a single value
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_format)(const snd_pcm_hw_params_t *params, snd_pcm_format_t *format)
+#else
+int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params, snd_pcm_format_t *format)
+#endif
+{
+ return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_FORMAT, (unsigned int *)format, NULL);
+}
+
+/**
+ * \brief Verify if a format is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param format format
+ * \return 0 if available a negative error code otherwise
+ */
+int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t format)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_FORMAT, format, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one format
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param format format
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t format)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_FORMAT, format, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its first format
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param format Returned first format
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_format_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format)
+#else
+int snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_FORMAT, (unsigned int *)format, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its last format
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param format Returned last format
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_format_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format)
+#else
+int snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_FORMAT, (unsigned int *)format, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only a set of formats
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param mask Format mask
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask)
+{
+ return snd_pcm_hw_param_set_mask(pcm, params, SND_TRY, SND_PCM_HW_PARAM_FORMAT, (snd_mask_t *) mask);
+}
+
+/**
+ * \brief Get format mask from a configuration space
+ * \param params Configuration space
+ * \param mask Returned Format mask
+ */
+void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask)
+{
+ snd_pcm_format_mask_copy(mask, snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_FORMAT));
+}
+
+
+/**
+ * \brief Extract subformat from a configuration space
+ * \param params Configuration space
+ * \param subformat Returned subformat value
+ * \return subformat otherwise a negative error code if the configuration space does not contain a single value
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_subformat)(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
+#else
+int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
+#endif
+{
+ return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_SUBFORMAT, subformat, NULL);
+}
+
+/**
+ * \brief Verify if a subformat is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param subformat subformat value
+ * \return 0 if available a negative error code otherwise
+ */
+int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_SUBFORMAT, subformat, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one subformat
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param subformat subformat value
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_SUBFORMAT, subformat, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its first subformat
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param subformat Returned subformat
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_subformat_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
+#else
+int snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_SUBFORMAT, subformat, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its last subformat
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param subformat Returned subformat
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_subformat_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
+#else
+int snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_SUBFORMAT, subformat, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only a set of subformats
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param mask Subformat mask
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask)
+{
+ return snd_pcm_hw_param_set_mask(pcm, params, SND_TRY, SND_PCM_HW_PARAM_SUBFORMAT, (snd_mask_t *) mask);
+}
+
+/**
+ * \brief Get subformat mask from a configuration space
+ * \param params Configuration space
+ * \param mask Returned Subformat mask
+ */
+void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask)
+{
+ snd_pcm_subformat_mask_copy(mask, snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_SUBFORMAT));
+}
+
+
+/**
+ * \brief Extract channels from a configuration space
+ * \param params Configuration space
+ * \param val Returned channels count
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_channels)(const snd_pcm_hw_params_t *params, unsigned int *val)
+#else
+int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params, unsigned int *val)
+#endif
+{
+ return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+/**
+ * \brief Extract minimum channels count from a configuration space
+ * \param params Configuration space
+ * \param val minimum channels count
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_channels_min)(const snd_pcm_hw_params_t *params, unsigned int *val)
+#else
+int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params, unsigned int *val)
+#endif
+{
+ return snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+/**
+ * \brief Extract maximum channels count from a configuration space
+ * \param params Configuration space
+ * \param val maximum channels count
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_channels_max)(const snd_pcm_hw_params_t *params, unsigned int *val)
+#else
+int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params, unsigned int *val)
+#endif
+{
+ return snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+/**
+ * \brief Verify if a channels count is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val channels count
+ * \return 0 if available a negative error code otherwise
+ */
+int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_CHANNELS, val, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one channels count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val channels count
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_CHANNELS, val, 0);
+}
+
+/**
+ * \brief Restrict a configuration space with a minimum channels count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val minimum channels count (on return filled with actual minimum)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+{
+ return snd_pcm_hw_param_set_min(pcm, params, SND_TRY, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space with a maximum channels count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val maximum channels count (on return filled with actual maximum)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+{
+ return snd_pcm_hw_param_set_max(pcm, params, SND_TRY, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to have channels counts in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min minimum channels count (on return filled with actual minimum)
+ * \param max maximum channels count (on return filled with actual maximum)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max)
+{
+ return snd_pcm_hw_param_set_minmax(pcm, params, SND_TRY, SND_PCM_HW_PARAM_CHANNELS, min, NULL, max, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to have channels count nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val target channels count, returned chosen channels count
+ * \return 0 otherwise a negative error code if configuration space is empty
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_channels_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+#else
+int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+#endif
+{
+ return snd_pcm_hw_param_set_near(pcm, params, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its minimum channels count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val minimum channels count
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_channels_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+#else
+int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its maximum channels count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val maximum channels count
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_channels_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+#else
+int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_CHANNELS, val, NULL);
+}
+
+
+/**
+ * \brief Extract rate from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate rate
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_rate)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Extract minimum rate from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate minimum rate
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_rate_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Extract maximum rate from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate maximum rate
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_rate_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Verify if a rate is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate rate
+ * \param dir Sub unit direction
+ * \return 0 if available a negative error code otherwise
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one rate
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate rate
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a minimum rate
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate minimum rate (on return filled with actual minimum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_min(pcm, params, SND_TRY, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a maximum rate
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate maximum rate (on return filled with actual maximum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact maximum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_max(pcm, params, SND_TRY, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to have rates in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min approximate minimum rate (on return filled with actual minimum)
+ * \param mindir Sub unit direction for minimum (on return filled with actual direction)
+ * \param max approximate maximum rate (on return filled with actual maximum)
+ * \param maxdir Sub unit direction for maximum (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact min/max is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir)
+{
+ return snd_pcm_hw_param_set_minmax(pcm, params, SND_TRY, SND_PCM_HW_PARAM_RATE, min, mindir, max, maxdir);
+}
+
+/**
+ * \brief Restrict a configuration space to have rate nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate target rate / returned approximate set rate
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space is empty
+ *
+ * target/chosen exact value is <,=,> val following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_rate_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_near(pcm, params, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its minimum rate
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned minimum approximate rate
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_rate_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its maximum rate
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned maximum approximate rate
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_rate_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_RATE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only real hardware rates
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val 0 = disable, 1 = enable (default) rate resampling
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_set_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val)
+{
+ assert(pcm && params);
+ if (!val)
+ params->flags |= SND_PCM_HW_PARAMS_NORESAMPLE;
+ else
+ params->flags &= ~SND_PCM_HW_PARAMS_NORESAMPLE;
+ params->rmask = ~0;
+ return snd_pcm_hw_refine(pcm, params);
+}
+
+/**
+ * \brief Extract resample state from a configuration space
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val 0 = disable, 1 = enable rate resampling
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_get_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+{
+ assert(pcm && params && val);
+ *val = params->flags & SND_PCM_HW_PARAMS_NORESAMPLE ? 0 : 1;
+ return 0;
+}
+
+/**
+ * \brief Restrict a configuration space to allow the buffer to be accessible from outside
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val 0 = disable, 1 = enable (default) exporting buffer
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_set_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val)
+{
+ assert(pcm && params);
+ if (val)
+ params->flags |= SND_PCM_HW_PARAMS_EXPORT_BUFFER;
+ else
+ params->flags &= ~SND_PCM_HW_PARAMS_EXPORT_BUFFER;
+ params->rmask = ~0;
+ return snd_pcm_hw_refine(pcm, params);
+}
+
+/**
+ * \brief Extract buffer accessibility from a configuration space
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val 0 = disable, 1 = enable exporting buffer
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_hw_params_get_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+{
+ assert(pcm && params && val);
+ *val = params->flags & SND_PCM_HW_PARAMS_EXPORT_BUFFER ? 1 : 0;
+ return 0;
+}
+
+/**
+ * \brief Restrict a configuration space to settings without period wakeups
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val 0 = disable, 1 = enable (default) period wakeup
+ * \return Zero on success, otherwise a negative error code.
+ *
+ * This function must be called only on devices where non-blocking mode is
+ * enabled.
+ *
+ * To check whether the hardware does support disabling period wakeups, call
+ * #snd_pcm_hw_params_can_disable_period_wakeup(). If the hardware does not
+ * support this mode, standard period wakeups will be generated.
+ *
+ * Even with disabled period wakeups, the period size/time/count parameters
+ * are valid; it is suggested to use #snd_pcm_hw_params_set_period_size_last().
+ *
+ * When period wakeups are disabled, the application must not use any functions
+ * that could block on this device. The use of poll should be limited to error
+ * cases. The application needs to use an external event or a timer to
+ * check the state of the ring buffer and refill it apropriately.
+ */
+int snd_pcm_hw_params_set_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val)
+{
+ assert(pcm && params);
+
+ if (!val) {
+ if (!(pcm->mode & SND_PCM_NONBLOCK))
+ return -EINVAL;
+ params->flags |= SND_PCM_HW_PARAMS_NO_PERIOD_WAKEUP;
+ } else
+ params->flags &= ~SND_PCM_HW_PARAMS_NO_PERIOD_WAKEUP;
+ params->rmask = ~0;
+
+ return snd_pcm_hw_refine(pcm, params);
+}
+
+/**
+ * \brief Extract period wakeup flag from a configuration space
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val 0 = disabled, 1 = enabled period wakeups
+ * \return Zero on success, otherwise a negative error code.
+ */
+int snd_pcm_hw_params_get_period_wakeup(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val)
+{
+ assert(pcm && params && val);
+ *val = params->flags & SND_PCM_HW_PARAMS_NO_PERIOD_WAKEUP ? 0 : 1;
+ return 0;
+}
+
+/**
+ * \brief Extract period time from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate period duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_period_time)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Extract minimum period time from a configuration space
+ * \param params Configuration space
+ * \param val approximate minimum period duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_period_time_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Extract maximum period time from a configuration space
+ * \param params Configuration space
+ * \param val approximate maximum period duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_period_time_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Verify if a period time is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate period duration in us
+ * \param dir Sub unit direction
+ * \return 0 if available a negative error code otherwise
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one period time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate period duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+
+/**
+ * \brief Restrict a configuration space with a minimum period time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate minimum period duration in us (on return filled with actual minimum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_min(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a maximum period time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate maximum period duration in us (on return filled with actual maximum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact maximum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_max(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to have period times in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min approximate minimum period duration in us (on return filled with actual minimum)
+ * \param mindir Sub unit direction for minimum (on return filled with actual direction)
+ * \param max approximate maximum period duration in us (on return filled with actual maximum)
+ * \param maxdir Sub unit direction for maximum (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact min/max is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir)
+{
+ return snd_pcm_hw_param_set_minmax(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_TIME, min, mindir, max, maxdir);
+}
+
+/**
+ * \brief Restrict a configuration space to have period time nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate target period duration in us / returned chosen approximate target period duration
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space is empty
+ *
+ * target/chosen exact value is <,=,> val following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_period_time_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_near(pcm, params, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its minimum period time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned approximate period duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_period_time_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its maximum period time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned maximum approximate period time
+ * \param dir Sub unit direction
+ * \return approximate period duration in us
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_period_time_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_PERIOD_TIME, val, dir);
+}
+
+
+/**
+ * \brief Extract period size from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate period size in frames
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_period_size)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#else
+int snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Extract minimum period size from a configuration space
+ * \param params Configuration space
+ * \param val approximate minimum period size in frames
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_period_size_min)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#else
+int snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#endif
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Extract maximum period size from a configuration space
+ * \param params Configuration space
+ * \param val approximate minimum period size in frames
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_period_size_max)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#else
+int snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#endif
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Verify if a period size is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate period size in frames
+ * \param dir Sub unit direction
+ * \return 0 if available a negative error code otherwise
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_PERIOD_SIZE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one period size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate period size in frames
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_SIZE, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a minimum period size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate minimum period size in frames (on return filled with actual minimum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_set_min(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space with a maximum period size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate maximum period size in frames (on return filled with actual maximum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_set_max(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to have period sizes in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min approximate minimum period size in frames (on return filled with actual minimum)
+ * \param mindir Sub unit direction for minimum (on return filled with actual direction)
+ * \param max approximate maximum period size in frames (on return filled with actual maximum)
+ * \param maxdir Sub unit direction for maximum (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact min/max is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir)
+{
+ unsigned int _min = *min;
+ unsigned int _max = *max;
+ int err = snd_pcm_hw_param_set_minmax(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_SIZE, &_min, mindir, &_max, maxdir);
+ *min = _min;
+ *max = _max;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to have period size nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate target period size in frames / returned chosen approximate target period size
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space is empty
+ *
+ * target/chosen exact value is <,=,> val following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_period_size_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#else
+int snd_pcm_hw_params_set_period_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#endif
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_set_near(pcm, params, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its minimum period size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned maximum approximate period size in frames
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_period_size_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#else
+int snd_pcm_hw_params_set_period_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its maximum period size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned maximum approximate period size in frames
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_period_size_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#else
+int snd_pcm_hw_params_set_period_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_PERIOD_SIZE, &_val, dir);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to contain only integer period sizes
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_param_set_integer(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIOD_SIZE);
+}
+
+
+/**
+ * \brief Extract periods from a configuration space
+ * \param params Configuration space
+ * \param val approximate periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_periods)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Extract minimum periods count from a configuration space
+ * \param params Configuration space
+ * \param val approximate minimum periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_periods_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Extract maximum periods count from a configuration space
+ * \param params Configuration space
+ * \param val approximate maximum periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_periods_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Verify if a periods count is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 if available a negative error code otherwise
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one periods count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a minimum periods count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate minimum periods per buffer (on return filled with actual minimum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_min(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a maximum periods count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate maximum periods per buffer (on return filled with actual maximum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact maximum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_max(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to have periods counts in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min approximate minimum periods per buffer (on return filled with actual minimum)
+ * \param mindir Sub unit direction for minimum (on return filled with actual direction)
+ * \param max approximate maximum periods per buffer (on return filled with actual maximum)
+ * \param maxdir Sub unit direction for maximum (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact min/max is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir)
+{
+ return snd_pcm_hw_param_set_minmax(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIODS, min, mindir, max, maxdir);
+}
+
+/**
+ * \brief Restrict a configuration space to have periods count nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate target periods per buffer / returned chosen approximate target periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space is empty
+ *
+ * target/chosen exact value is <,=,> val following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_periods_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_near(pcm, params, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its minimum periods count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned approximate minimum periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_periods_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its maximum periods count
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned approximate maximum periods per buffer
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_periods_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_PERIODS, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only integer periods counts
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_param_set_integer(pcm, params, SND_TRY, SND_PCM_HW_PARAM_PERIODS);
+}
+
+
+/**
+ * \brief Extract buffer time from a configuration space
+ * \param params Configuration space
+ * \param val Returned buffer time in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_buffer_time)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Extract minimum buffer time from a configuration space
+ * \param params Configuration space
+ * \param val approximate minimum buffer duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_buffer_time_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Extract maximum buffer time from a configuration space
+ * \param params Configuration space
+ * \param val approximate maximum buffer duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_buffer_time_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Verify if a buffer time is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate buffer duration in us
+ * \param dir Sub unit direction
+ * \return 0 if available a negative error code otherwise
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one buffer time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate buffer duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a minimum buffer time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate minimum buffer duration in us (on return filled with actual minimum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_min(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space with a maximum buffer time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate maximum buffer duration in us (on return filled with actual maximum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact maximum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+{
+ return snd_pcm_hw_param_set_max(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to have buffer times in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min approximate minimum buffer duration in us (on return filled with actual minimum)
+ * \param mindir Sub unit direction for minimum (on return filled with actual direction)
+ * \param max approximate maximum buffer duration in us (on return filled with actual maximum)
+ * \param maxdir Sub unit direction for maximum (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact min/max is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir)
+{
+ return snd_pcm_hw_param_set_minmax(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_TIME, min, mindir, max, maxdir);
+}
+
+/**
+ * \brief Restrict a configuration space to have buffer time nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate target buffer duration in us / returned chosen approximate target buffer duration
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space is empty
+ *
+ * target/chosen exact value is <,=,> val following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_buffer_time_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_near(pcm, params, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its minimum buffer time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned approximate minimum buffer duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_buffer_time_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its maximum buffered time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned approximate maximum buffer duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_buffer_time_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#else
+int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_BUFFER_TIME, val, dir);
+}
+
+
+/**
+ * \brief Extract buffer size from a configuration space
+ * \param params Configuration space
+ * \param val Returned buffer size in frames
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_buffer_size)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Extract minimum buffer size from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate minimum buffer size in frames
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_buffer_size_min)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Extract maximum buffer size from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate maximum buffer size in frames
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_buffer_size_max)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Verify if a buffer size is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val buffer size in frames
+ * \return 0 if available a negative error code otherwise
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TEST, SND_PCM_HW_PARAM_BUFFER_SIZE, val, 0);
+}
+
+/**
+ * \brief Restrict a configuration space to contain only one buffer size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val buffer size in frames
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val)
+{
+ return snd_pcm_hw_param_set(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_SIZE, val, 0);
+}
+
+/**
+ * \brief Restrict a configuration space with a minimum buffer size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate minimum buffer size in frames (on return filled with actual minimum)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_set_min(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space with a maximum buffer size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate maximum buffer size in frames (on return filled with actual maximum)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_set_max(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to have buffer sizes in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min approximate minimum buffer size in frames (on return filled with actual minimum)
+ * \param max approximate maximum buffer size in frames (on return filled with actual maximum)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ */
+int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max)
+{
+ unsigned int _min = *min;
+ unsigned int _max = *max;
+ int err = snd_pcm_hw_param_set_minmax(pcm, params, SND_TRY, SND_PCM_HW_PARAM_BUFFER_SIZE, &_min, NULL, &_max, NULL);
+ *min = _min;
+ *max = _max;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to have buffer size nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate target buffer size in frames / returned chosen approximate target buffer size in frames
+ * \return 0 otherwise a negative error code if configuration space is empty
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_buffer_size_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ unsigned int _val = *val;
+ int err = snd_pcm_hw_param_set_near(pcm, params, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its minimum buffer size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned minimum buffer size in frames
+ * \return buffer size in frames
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_buffer_size_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+/**
+ * \brief Restrict a configuration space to contain only its maximum buffer size
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned maximum buffer size in frames
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_buffer_size_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ unsigned int _val;
+ int err = snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_BUFFER_SIZE, &_val, NULL);
+ if (err >= 0)
+ *val = _val;
+ return err;
+}
+
+
+/**
+ * \brief (DEPRECATED) Extract tick time from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_tick_time)(const snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val, int *dir ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ *val = 0;
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Extract minimum tick time from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate minimum tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_tick_time_min)(const snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val, int *dir ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ *val = 0;
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Extract maximum tick time from a configuration space
+ * \param params Configuration space
+ * \param val Returned approximate maximum tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Exact value is <,=,> the returned one following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_get_tick_time_max)(const snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val, int *dir ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ *val = 0;
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Verify if a tick time is available inside a configuration space for a PCM
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 if available a negative error code otherwise
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int val, int dir ATTRIBUTE_UNUSED)
+{
+ return val ? -EINVAL : 0;
+}
+
+/**
+ * \brief (DEPRECATED) Restrict a configuration space to contain only one tick time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted exact value is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int val ATTRIBUTE_UNUSED, int dir ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Restrict a configuration space with a minimum tick time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate minimum tick duration in us (on return filled with actual minimum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val ATTRIBUTE_UNUSED, int *dir ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Restrict a configuration space with a maximum tick time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate maximum tick duration in us (on return filled with actual maximum)
+ * \param dir Sub unit direction (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact maximum is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val ATTRIBUTE_UNUSED, int *dir ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Restrict a configuration space to have tick times in a given range
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param min approximate minimum tick duration in us (on return filled with actual minimum)
+ * \param mindir Sub unit direction for minimum (on return filled with actual direction)
+ * \param max approximate maximum tick duration in us (on return filled with actual maximum)
+ * \param maxdir Sub unit direction for maximum (on return filled with actual direction)
+ * \return 0 otherwise a negative error code if configuration space would become empty
+ *
+ * Wanted/actual exact min/max is <,=,> val following dir (-1,0,1)
+ */
+int snd_pcm_hw_params_set_tick_time_minmax(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *min ATTRIBUTE_UNUSED, int *mindir ATTRIBUTE_UNUSED, unsigned int *max ATTRIBUTE_UNUSED, int *maxdir ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Restrict a configuration space to have tick time nearest to a target
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val approximate target tick duration in us / returned chosen approximate target tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code if configuration space is empty
+ *
+ * target/chosen exact value is <,=,> val following dir (-1,0,1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_tick_time_near)(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val ATTRIBUTE_UNUSED, int *dir ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Restrict a configuration space to contain only its minimum tick time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned approximate minimum tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_tick_time_first)(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val ATTRIBUTE_UNUSED, int *dir ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Restrict a configuration space to contain only its maximum tick time
+ * \param pcm PCM handle
+ * \param params Configuration space
+ * \param val Returned approximate maximum tick duration in us
+ * \param dir Sub unit direction
+ * \return 0 otherwise a negative error code
+ *
+ * Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_hw_params_set_tick_time_last)(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val ATTRIBUTE_UNUSED, int *dir ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir)
+#endif
+{
+ return 0;
+}
+
+/**
+ * \brief Get the minimum transfer align value in samples
+ * \param params Configuration space
+ * \param val Returned minimum align value
+ * \return 0 otherwise a negative error code if the configuration space does not contain a single value
+ */
+int snd_pcm_hw_params_get_min_align(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val)
+{
+ unsigned int format, channels, fb, min_align;
+ int err;
+
+ err = snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_FORMAT, &format, NULL);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_CHANNELS, &channels, NULL);
+ if (err < 0)
+ return err;
+ // compute frame bits
+ fb = snd_pcm_format_physical_width((snd_pcm_format_t)format) * channels;
+ min_align = 1;
+ while (fb % 8) {
+ fb *= 2;
+ min_align *= 2;
+ }
+ if (val)
+ *val = min_align;
+ return 0;
+}
+
+/**
+ * \brief Return current software configuration for a PCM
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_sw_params_current(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
+{
+ assert(pcm && params);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ params->proto = SNDRV_PCM_VERSION;
+ params->tstamp_mode = pcm->tstamp_mode;
+ params->tstamp_type = pcm->tstamp_type;
+ params->period_step = pcm->period_step;
+ params->sleep_min = 0;
+ params->avail_min = pcm->avail_min;
+ sw_set_period_event(params, pcm->period_event);
+ params->xfer_align = 1;
+ params->start_threshold = pcm->start_threshold;
+ params->stop_threshold = pcm->stop_threshold;
+ params->silence_threshold = pcm->silence_threshold;
+ params->silence_size = pcm->silence_size;
+ params->boundary = pcm->boundary;
+ return 0;
+}
+
+/**
+ * \brief Dump a software configuration
+ * \param params Software configuration container
+ * \param out Output handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_sw_params_dump(snd_pcm_sw_params_t *params, snd_output_t *out)
+{
+ snd_output_printf(out, "tstamp_mode: %s\n", snd_pcm_tstamp_mode_name(params->tstamp_mode));
+ snd_output_printf(out, "tstamp_type: %s\n", snd_pcm_tstamp_type_name(params->tstamp_type));
+ snd_output_printf(out, "period_step: %u\n", params->period_step);
+ snd_output_printf(out, "avail_min: %lu\n", params->avail_min);
+ snd_output_printf(out, "start_threshold: %ld\n", params->start_threshold);
+ snd_output_printf(out, "stop_threshold: %ld\n", params->stop_threshold);
+ snd_output_printf(out, "silence_threshold: %lu\n", params->silence_threshold);
+ snd_output_printf(out, "silence_size: %lu\n", params->silence_size);
+ snd_output_printf(out, "boundary: %lu\n", params->boundary);
+ return 0;
+}
+
+/**
+ * \brief get size of #snd_pcm_sw_params_t
+ * \return size in bytes
+ */
+size_t snd_pcm_sw_params_sizeof()
+{
+ return sizeof(snd_pcm_sw_params_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_pcm_sw_params_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_sw_params_malloc(snd_pcm_sw_params_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_sw_params_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_pcm_sw_params_t
+ * \param obj pointer to object to free
+ */
+void snd_pcm_sw_params_free(snd_pcm_sw_params_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_pcm_sw_params_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_pcm_sw_params_copy(snd_pcm_sw_params_t *dst, const snd_pcm_sw_params_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get boundary for ring pointers from a software configuration container
+ * \param params Software configuration container
+ * \param val Returned boundary in frames
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_sw_params_get_boundary(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+{
+ assert(params);
+ *val = params->boundary;
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Set start mode inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Start mode
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_sw_params_set_start_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_start_t val)
+{
+ assert(pcm && params);
+ switch (val) {
+ case SND_PCM_START_DATA:
+ params->start_threshold = 1;
+ break;
+ case SND_PCM_START_EXPLICIT:
+ params->start_threshold = pcm->boundary;
+ break;
+ default:
+ SNDMSG("invalid start mode value %d\n", val);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+link_warning(snd_pcm_sw_params_set_start_mode, "Warning: start_mode is deprecated, consider to use start_threshold");
+#endif
+
+/**
+ * \brief (DEPRECATED) Get start mode from a software configuration container
+ * \param params Software configuration container
+ * \return start mode
+ */
+snd_pcm_start_t snd_pcm_sw_params_get_start_mode(const snd_pcm_sw_params_t *params)
+{
+ assert(params);
+ /* FIXME: Ugly */
+ return params->start_threshold > 1024 * 1024 ? SND_PCM_START_EXPLICIT : SND_PCM_START_DATA;
+}
+
+#ifndef DOC_HIDDEN
+link_warning(snd_pcm_sw_params_get_start_mode, "Warning: start_mode is deprecated, consider to use start_threshold");
+#endif
+
+/**
+ * \brief (DEPRECATED) Set xrun mode inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Xrun mode
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_xrun_mode(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val)
+#else
+int snd_pcm_sw_params_set_xrun_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val)
+#endif
+{
+ assert(pcm && params);
+ switch (val) {
+ case SND_PCM_XRUN_STOP:
+ params->stop_threshold = pcm->buffer_size;
+ break;
+ case SND_PCM_XRUN_NONE:
+ params->stop_threshold = pcm->boundary;
+ break;
+ default:
+ SNDMSG("invalid xrun mode value %d\n", val);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+link_warning(snd_pcm_sw_params_set_xrun_mode, "Warning: xrun_mode is deprecated, consider to use stop_threshold");
+#endif
+
+/**
+ * \brief (DEPRECATED) Get xrun mode from a software configuration container
+ * \param params Software configuration container
+ * \return xrun mode
+ */
+snd_pcm_xrun_t snd_pcm_sw_params_get_xrun_mode(const snd_pcm_sw_params_t *params)
+{
+ assert(params);
+ /* FIXME: Ugly */
+ return params->stop_threshold > 1024 * 1024 ? SND_PCM_XRUN_NONE : SND_PCM_XRUN_STOP;
+}
+
+#ifndef DOC_HIDDEN
+link_warning(snd_pcm_sw_params_get_xrun_mode, "Warning: xrun_mode is deprecated, consider to use stop_threshold");
+#endif
+
+/**
+ * \brief Set timestamp mode inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Timestamp mode
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val)
+#else
+int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val)
+#endif
+{
+ assert(pcm && params);
+ if (CHECK_SANITY(val > SND_PCM_TSTAMP_LAST)) {
+ SNDMSG("invalid tstamp_mode value %d", val);
+ return -EINVAL;
+ }
+ params->tstamp_mode = val;
+ return 0;
+}
+
+/**
+ * \brief Get timestamp mode from a software configuration container
+ * \param params Software configuration container
+ * \param val Returned timestamp
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_tstamp_mode)(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val)
+#else
+int snd_pcm_sw_params_get_tstamp_mode(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val)
+#endif
+{
+ assert(params && val);
+ *val = params->tstamp_mode;
+ return 0;
+}
+
+/**
+ * \brief Set timestamp type inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Timestamp type
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_sw_params_set_tstamp_type(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t val)
+{
+ assert(pcm && params);
+ if (CHECK_SANITY(val > SND_PCM_TSTAMP_TYPE_LAST)) {
+ SNDMSG("invalid tstamp_type value %d", val);
+ return -EINVAL;
+ }
+ params->tstamp_type = val;
+ return 0;
+}
+
+/**
+ * \brief Get timestamp type from a software configuration container
+ * \param params Software configuration container
+ * \param val Returned timestamp type
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_sw_params_get_tstamp_type(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_type_t *val)
+{
+ assert(params && val);
+ *val = params->tstamp_type;
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Set minimum number of ticks to sleep inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Minimum ticks to sleep or 0 to disable the use of tick timer
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params ATTRIBUTE_UNUSED, unsigned int val ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val)
+#endif
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Get minimum numbers of ticks to sleep from a software configuration container
+ * \param params Software configuration container
+ * \param val returned minimum number of ticks to sleep or 0 if tick timer is disabled
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_sleep_min)(const snd_pcm_sw_params_t *params ATTRIBUTE_UNUSED, unsigned int *val)
+#else
+int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params, unsigned int *val)
+#endif
+{
+ *val = 0;
+ return 0;
+}
+
+/**
+ * \brief Set avail min inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Minimum avail frames to consider PCM ready
+ * \return 0 otherwise a negative error code
+ *
+ * Note: This is similar to setting an OSS wakeup point. The valid
+ * values for 'val' are determined by the specific hardware. Most PC
+ * sound cards can only accept power of 2 frame counts (i.e. 512,
+ * 1024, 2048). You cannot use this as a high resolution timer - it
+ * is limited to how often the sound card hardware raises an
+ * interrupt.
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#else
+int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#endif
+{
+ assert(pcm && params);
+ /* Fix avail_min if it's below period size. The period_size
+ * defines the minimal wake-up timing accuracy, so it doesn't
+ * make sense to set below that.
+ */
+ if (val < pcm->period_size)
+ val = pcm->period_size;
+ params->avail_min = val;
+ return 0;
+}
+
+/**
+ * \brief Get avail min from a software configuration container
+ * \param params Software configuration container
+ * \param val returned minimum available frames to consider PCM ready
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_avail_min)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_sw_params_get_avail_min(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ assert(params && val);
+ *val = params->avail_min;
+ return 0;
+}
+
+/**
+ * \brief Set period event inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val 0 = disable period event, 1 = enable period event
+ * \return 0 otherwise a negative error code
+ *
+ * An poll (select) wakeup event is raised if enabled.
+ */
+int snd_pcm_sw_params_set_period_event(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, int val)
+{
+ assert(pcm && params);
+ sw_set_period_event(params, val);
+ return 0;
+}
+
+/**
+ * \brief Get period event from a software configuration container
+ * \param params Software configuration container
+ * \param val returned period event state
+ * \return 0 otherwise a negative error code
+ */
+int snd_pcm_sw_params_get_period_event(const snd_pcm_sw_params_t *params, int *val)
+{
+ assert(params && val);
+ *val = sw_get_period_event(params);
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Set xfer align inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Chunk size (frames are attempted to be transferred in chunks)
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params ATTRIBUTE_UNUSED, snd_pcm_uframes_t val ATTRIBUTE_UNUSED)
+#else
+int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#endif
+{
+ return 0;
+}
+
+/**
+ * \brief (DEPRECATED) Get xfer align from a software configuration container
+ * \param params Software configuration container
+ * \param val returned chunk size (frames are attempted to be transferred in chunks)
+ * \return 0 otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_xfer_align)(const snd_pcm_sw_params_t *params ATTRIBUTE_UNUSED, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ *val = 1;
+ return 0;
+}
+
+/**
+ * \brief Set start threshold inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Start threshold in frames
+ * \return 0 otherwise a negative error code
+ *
+ * PCM is automatically started when playback frames available to PCM
+ * are >= threshold or when requested capture frames are >= threshold
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#else
+int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#endif
+{
+ assert(pcm && params);
+ params->start_threshold = val;
+ return 0;
+}
+
+/**
+ * \brief Get start threshold from a software configuration container
+ * \param params Software configuration container
+ * \param val Returned start threshold in frames
+ * \return 0 otherwise a negative error code
+ *
+ * PCM is automatically started when playback frames available to PCM
+ * are >= threshold or when requested capture frames are >= threshold
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_start_threshold)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_sw_params_get_start_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ assert(params);
+ *val = params->start_threshold;
+ return 0;
+}
+
+
+/**
+ * \brief Set stop threshold inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Stop threshold in frames
+ * \return 0 otherwise a negative error code
+ *
+ * PCM is automatically stopped in #SND_PCM_STATE_XRUN state when available
+ * frames is >= threshold. If the stop threshold is equal to boundary (also
+ * software parameter - sw_param) then automatic stop will be disabled
+ * (thus device will do the endless loop in the ring buffer).
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#else
+int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#endif
+{
+ assert(pcm && params);
+ params->stop_threshold = val;
+ return 0;
+}
+
+/**
+ * \brief Get stop threshold from a software configuration container
+ * \param params Software configuration container
+ * \param val Returned stop threshold in frames
+ * \return 0 otherwise a negative error code
+ *
+ * PCM is automatically stopped in #SND_PCM_STATE_XRUN state when available
+ * frames is >= threshold. If the stop threshold is equal to boundary (also
+ * software parameter - sw_param) then automatic stop will be disabled
+ * (thus device will do the endless loop in the ring buffer).
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_stop_threshold)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_sw_params_get_stop_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ assert(params);
+ *val = params->stop_threshold;
+ return 0;
+}
+
+
+/**
+ * \brief Set silence threshold inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Silence threshold in frames
+ * \return 0 otherwise a negative error code
+ *
+ * A portion of playback buffer is overwritten with silence (see
+ * #snd_pcm_sw_params_set_silence_size) when playback underrun is nearer
+ * than silence threshold.
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#else
+int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#endif
+{
+ assert(pcm && params);
+ if (CHECK_SANITY(val >= pcm->buffer_size)) {
+ SNDMSG("invalid silent_threshold value %ld (buffer_size = %ld)",
+ val, pcm->buffer_size);
+ return -EINVAL;
+ }
+ params->silence_threshold = val;
+ return 0;
+}
+
+/**
+ * \brief Get silence threshold from a software configuration container
+ * \param params Software configuration container
+ * \param val Returned silence threshold in frames
+ * \return 0 otherwise a negative error value
+ *
+ * A portion of playback buffer is overwritten with silence (see
+ * #snd_pcm_sw_params_set_silence_size) when playback underrun is nearer
+ * than silence threshold.
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_silence_threshold)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ assert(params && val);
+ *val = params->silence_threshold;
+ return 0;
+}
+
+
+/**
+ * \brief Set silence size inside a software configuration container
+ * \param pcm PCM handle
+ * \param params Software configuration container
+ * \param val Silence size in frames (0 for disabled)
+ * \return 0 otherwise a negative error code
+ *
+ * A portion of playback buffer is overwritten with silence when playback
+ * underrun is nearer than silence threshold (see
+ * #snd_pcm_sw_params_set_silence_threshold)
+ *
+ * The special case is when silence size value is equal or greater than
+ * boundary. The unused portion of the ring buffer (initial written samples
+ * are untouched) is filled with silence at start. Later, only just processed
+ * sample area is filled with silence. Note: silence_threshold must be set to zero.
+ */
+#ifndef DOXYGEN
+int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#else
+int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val)
+#endif
+{
+ assert(pcm && params);
+ if (CHECK_SANITY(val < pcm->boundary && val > pcm->buffer_size)) {
+ SNDMSG("invalid silence_size %ld (boundary %ld, buffer_size %ld)",
+ val, pcm->boundary, pcm->buffer_size);
+ return -EINVAL;
+ }
+ params->silence_size = val;
+ return 0;
+}
+
+/**
+ * \brief Get silence size from a software configuration container
+ * \param params Software configuration container
+ * \param val Returned silence size in frames (0 for disabled)
+ * \return 0 otherwise a negative error code
+ *
+ * A portion of playback buffer is overwritten with silence when playback
+ * underrun is nearer than silence threshold (see
+ * #snd_pcm_sw_params_set_silence_threshold)
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_pcm_sw_params_get_silence_size)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#else
+int snd_pcm_sw_params_get_silence_size(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val)
+#endif
+{
+ assert(params);
+ *val = params->silence_size;
+ return 0;
+}
+
+
+/**
+ * \brief get size of #snd_pcm_status_t
+ * \return size in bytes
+ */
+size_t snd_pcm_status_sizeof()
+{
+ return sizeof(snd_pcm_status_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_pcm_status_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_status_malloc(snd_pcm_status_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_status_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_pcm_status_t
+ * \param obj pointer to object to free
+ */
+void snd_pcm_status_free(snd_pcm_status_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_pcm_status_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_pcm_status_copy(snd_pcm_status_t *dst, const snd_pcm_status_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get state from a PCM status container (see #snd_pcm_state)
+ * \param obj #snd_pcm_status_t pointer
+ * \return PCM state
+ */
+snd_pcm_state_t snd_pcm_status_get_state(const snd_pcm_status_t *obj)
+{
+ assert(obj);
+ return obj->state;
+}
+
+/**
+ * \brief Get trigger timestamp from a PCM status container
+ * \param obj #snd_pcm_status_t pointer
+ * \param ptr Pointer to returned timestamp
+ *
+ * Trigger means a PCM state transition (from stopped to running or
+ * versa vice). It applies also to pause and suspend. In other words,
+ * timestamp contains time when stream started or when it was stopped.
+ */
+void snd_pcm_status_get_trigger_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr)
+{
+ assert(obj && ptr);
+ ptr->tv_sec = obj->trigger_tstamp.tv_sec;
+ ptr->tv_usec = obj->trigger_tstamp.tv_nsec / 1000L;
+}
+
+/**
+ * \brief Get trigger hi-res timestamp from a PCM status container
+ * \param obj #snd_pcm_status_t pointer
+ * \param ptr Pointer to returned timestamp
+ *
+ * Trigger means a PCM state transition (from stopped to running or
+ * versa vice). It applies also to pause and suspend. In other words,
+ * timestamp contains time when stream started or when it was stopped.
+ */
+#ifndef DOXYGEN
+void INTERNAL(snd_pcm_status_get_trigger_htstamp)(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr)
+#else
+void snd_pcm_status_get_trigger_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr)
+#endif
+{
+ assert(obj && ptr);
+ *ptr = obj->trigger_tstamp;
+}
+use_default_symbol_version(__snd_pcm_status_get_trigger_htstamp, snd_pcm_status_get_trigger_htstamp, ALSA_0.9.0rc8);
+
+/**
+ * \brief Get "now" timestamp from a PCM status container
+ * \param obj #snd_pcm_status_t pointer
+ * \param ptr Pointer to returned timestamp
+ */
+void snd_pcm_status_get_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr)
+{
+ assert(obj && ptr);
+ ptr->tv_sec = obj->tstamp.tv_sec;
+ ptr->tv_usec = obj->tstamp.tv_nsec / 1000L;
+}
+
+/**
+ * \brief Get "now" hi-res timestamp from a PCM status container
+ * \param obj pointer to #snd_pcm_status_t
+ * \param ptr Pointer to returned timestamp
+ */
+#ifndef DOXYGEN
+void INTERNAL(snd_pcm_status_get_htstamp)(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr)
+#else
+void snd_pcm_status_get_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr)
+#endif
+{
+ assert(obj && ptr);
+ *ptr = obj->tstamp;
+}
+use_default_symbol_version(__snd_pcm_status_get_htstamp, snd_pcm_status_get_htstamp, ALSA_0.9.0rc8);
+
+/**
+ * \brief Get "now" hi-res audio timestamp from a PCM status container
+ * \param obj pointer to #snd_pcm_status_t
+ * \param ptr Pointer to returned timestamp
+ */
+void snd_pcm_status_get_audio_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr)
+{
+ assert(obj && ptr);
+ *ptr = obj->audio_tstamp;
+}
+
+/**
+ * \brief Get delay from a PCM status container (see #snd_pcm_delay)
+ * \return Delay in frames
+ *
+ * Delay is distance between current application frame position and
+ * sound frame position.
+ * It's positive and less than buffer size in normal situation,
+ * negative on playback underrun and greater than buffer size on
+ * capture overrun.
+ */
+snd_pcm_sframes_t snd_pcm_status_get_delay(const snd_pcm_status_t *obj)
+{
+ assert(obj);
+ return obj->delay;
+}
+
+/**
+ * \brief Get number of frames available from a PCM status container (see #snd_pcm_avail_update)
+ * \return Number of frames ready to be read/written
+ */
+snd_pcm_uframes_t snd_pcm_status_get_avail(const snd_pcm_status_t *obj)
+{
+ assert(obj);
+ return obj->avail;
+}
+
+/**
+ * \brief Get maximum number of frames available from a PCM status container after last #snd_pcm_status call
+ * \return Maximum number of frames ready to be read/written
+ */
+snd_pcm_uframes_t snd_pcm_status_get_avail_max(const snd_pcm_status_t *obj)
+{
+ assert(obj);
+ return obj->avail_max;
+}
+
+/**
+ * \brief Get count of ADC overrange detections since last call
+ * \return Count of ADC overrange detections
+ */
+snd_pcm_uframes_t snd_pcm_status_get_overrange(const snd_pcm_status_t *obj)
+{
+ assert(obj);
+ return obj->overrange;
+}
+
+/**
+ * \brief get size of #snd_pcm_info_t
+ * \return size in bytes
+ */
+size_t snd_pcm_info_sizeof()
+{
+ return sizeof(snd_pcm_info_t);
+}
+
+/**
+ * \brief allocate an invalid #snd_pcm_info_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_info_malloc(snd_pcm_info_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_info_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_pcm_info_t
+ * \param obj pointer to object to free
+ */
+void snd_pcm_info_free(snd_pcm_info_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_pcm_info_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_pcm_info_copy(snd_pcm_info_t *dst, const snd_pcm_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief Get device from a PCM info container
+ * \param obj PCM info container
+ * \return device number
+ */
+unsigned int snd_pcm_info_get_device(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->device;
+}
+
+/**
+ * \brief Get subdevice from a PCM info container
+ * \param obj PCM info container
+ * \return subdevice number
+ */
+unsigned int snd_pcm_info_get_subdevice(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->subdevice;
+}
+
+/**
+ * \brief Get stream (direction) from a PCM info container
+ * \param obj PCM info container
+ * \return stream
+ */
+snd_pcm_stream_t snd_pcm_info_get_stream(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->stream;
+}
+
+/**
+ * \brief Get card from a PCM info container
+ * \param obj PCM info container
+ * \return card number otherwise a negative error code if not associable to a card
+ */
+int snd_pcm_info_get_card(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->card;
+}
+
+/**
+ * \brief Get id from a PCM info container
+ * \param obj PCM info container
+ * \return short id of PCM
+ */
+const char *snd_pcm_info_get_id(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->id;
+}
+
+/**
+ * \brief Get name from a PCM info container
+ * \param obj PCM info container
+ * \return name of PCM
+ */
+const char *snd_pcm_info_get_name(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->name;
+}
+
+/**
+ * \brief Get subdevice name from a PCM info container
+ * \param obj PCM info container
+ * \return name of used PCM subdevice
+ */
+const char *snd_pcm_info_get_subdevice_name(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return (const char *)obj->subname;
+}
+
+/**
+ * \brief Get class from a PCM info container
+ * \param obj PCM info container
+ * \return class of PCM
+ */
+snd_pcm_class_t snd_pcm_info_get_class(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->dev_class;
+}
+
+/**
+ * \brief Get subclass from a PCM info container
+ * \param obj PCM info container
+ * \return subclass of PCM
+ */
+snd_pcm_subclass_t snd_pcm_info_get_subclass(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->dev_subclass;
+}
+
+/**
+ * \brief Get subdevices count from a PCM info container
+ * \param obj PCM info container
+ * \return subdevices total count of PCM
+ */
+unsigned int snd_pcm_info_get_subdevices_count(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->subdevices_count;
+}
+
+/**
+ * \brief Get available subdevices count from a PCM info container
+ * \param obj PCM info container
+ * \return available subdevices count of PCM
+ */
+unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj)
+{
+ assert(obj);
+ return obj->subdevices_avail;
+}
+
+/**
+ * \brief Get hardware synchronization ID from a PCM info container
+ * \param obj PCM info container
+ * \return hardware synchronization ID
+ */
+snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj)
+{
+ snd_pcm_sync_id_t res;
+ assert(obj);
+ memcpy(&res, &obj->sync, sizeof(res));
+ return res;
+}
+
+/**
+ * \brief Set wanted device inside a PCM info container (see #snd_ctl_pcm_info)
+ * \param obj PCM info container
+ * \param val Device number
+ */
+void snd_pcm_info_set_device(snd_pcm_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->device = val;
+}
+
+/**
+ * \brief Set wanted subdevice inside a PCM info container (see #snd_ctl_pcm_info)
+ * \param obj PCM info container
+ * \param val Subdevice number
+ */
+void snd_pcm_info_set_subdevice(snd_pcm_info_t *obj, unsigned int val)
+{
+ assert(obj);
+ obj->subdevice = val;
+}
+
+/**
+ * \brief Set wanted stream inside a PCM info container (see #snd_ctl_pcm_info)
+ * \param obj PCM info container
+ * \param val Stream
+ */
+void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val)
+{
+ assert(obj);
+ obj->stream = val;
+}
+
+/**
+ * \brief Application request to access a portion of direct (mmap) area
+ * \param pcm PCM handle
+ * \param areas Returned mmap channel areas
+ * \param offset Returned mmap area offset in area steps (== frames)
+ * \param frames mmap area portion size in frames (wanted on entry, contiguous available on exit)
+ * \return 0 on success otherwise a negative error code
+ *
+ * It is necessary to call the snd_pcm_avail_update() function directly before
+ * this call. Otherwise, this function can return a wrong count of available frames.
+ *
+ * The function should be called before a sample-direct area can be accessed.
+ * The resulting size parameter is always less or equal to the input count of frames
+ * and can be zero, if no frames can be processed (the ring buffer is full).
+ *
+ * See the snd_pcm_mmap_commit() function to finish the frame processing in
+ * the direct areas.
+ */
+int snd_pcm_mmap_begin(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t **areas,
+ snd_pcm_uframes_t *offset,
+ snd_pcm_uframes_t *frames)
+{
+ snd_pcm_uframes_t cont;
+ snd_pcm_uframes_t f;
+ snd_pcm_uframes_t avail;
+ const snd_pcm_channel_area_t *xareas;
+ assert(pcm && areas && offset && frames);
+ xareas = snd_pcm_mmap_areas(pcm);
+ if (xareas == NULL)
+ return -EBADFD;
+ *areas = xareas;
+ *offset = *pcm->appl.ptr % pcm->buffer_size;
+ avail = snd_pcm_mmap_avail(pcm);
+ if (avail > pcm->buffer_size)
+ avail = pcm->buffer_size;
+ cont = pcm->buffer_size - *offset;
+ f = *frames;
+ if (f > avail)
+ f = avail;
+ if (f > cont)
+ f = cont;
+ *frames = f;
+ return 0;
+}
+
+/**
+ * \brief Application has completed the access to area requested with #snd_pcm_mmap_begin
+ * \param pcm PCM handle
+ * \param offset area offset in area steps (== frames)
+ * \param frames area portion size in frames
+ * \return count of transferred frames otherwise a negative error code
+ *
+ * You should pass this function the offset value that
+ * snd_pcm_mmap_begin() returned. The frames parameter should hold the
+ * number of frames you have written or read to/from the audio
+ * buffer. The frames parameter must never exceed the contiguous frames
+ * count that snd_pcm_mmap_begin() returned. Each call to snd_pcm_mmap_begin()
+ * must be followed by a call to snd_pcm_mmap_commit().
+ *
+ * Example:
+\code
+ double phase = 0;
+ const snd_pcm_area_t *areas;
+ snd_pcm_sframes_t avail, size, commitres;
+ snd_pcm_uframes_t offset, frames;
+ int err;
+
+ avail = snd_pcm_avail_update(pcm);
+ if (avail < 0)
+ error(avail);
+ // at this point, we can transfer at least 'avail' frames
+
+ // we want to process frames in chunks (period_size)
+ if (avail < period_size)
+ goto _skip;
+ size = period_size;
+ // it is possible that contiguous areas are smaller, thus we use a loop
+ while (size > 0) {
+ frames = size;
+
+ err = snd_pcm_mmap_begin(pcm_handle, &areas, &offset, &frames);
+ if (err < 0)
+ error(err);
+ // this function fills the areas from offset with count of frames
+ generate_sine(areas, offset, frames, &phase);
+ commitres = snd_pcm_mmap_commit(pcm_handle, offset, frames);
+ if (commitres < 0 || commitres != frames)
+ error(commitres >= 0 ? -EPIPE : commitres);
+
+ size -= frames;
+ }
+ _skip:
+\endcode
+ *
+ * Look to the \ref example_test_pcm "Sine-wave generator" example
+ * for more details about the generate_sine function.
+ */
+snd_pcm_sframes_t snd_pcm_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t frames)
+{
+ assert(pcm);
+ if (CHECK_SANITY(offset != *pcm->appl.ptr % pcm->buffer_size)) {
+ SNDMSG("commit offset (%ld) doesn't match with appl_ptr (%ld) %% buf_size (%ld)",
+ offset, *pcm->appl.ptr, pcm->buffer_size);
+ return -EPIPE;
+ }
+ if (CHECK_SANITY(frames > snd_pcm_mmap_avail(pcm))) {
+ SNDMSG("commit frames (%ld) overflow (avail = %ld)", frames,
+ snd_pcm_mmap_avail(pcm));
+ return -EPIPE;
+ }
+ return pcm->fast_ops->mmap_commit(pcm->fast_op_arg, offset, frames);
+}
+
+#ifndef DOC_HIDDEN
+
+int _snd_pcm_poll_descriptor(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ return pcm->poll_fd;
+}
+
+void snd_pcm_areas_from_buf(snd_pcm_t *pcm, snd_pcm_channel_area_t *areas,
+ void *buf)
+{
+ unsigned int channel;
+ unsigned int channels = pcm->channels;
+ for (channel = 0; channel < channels; ++channel, ++areas) {
+ areas->addr = buf;
+ areas->first = channel * pcm->sample_bits;
+ areas->step = pcm->frame_bits;
+ }
+}
+
+void snd_pcm_areas_from_bufs(snd_pcm_t *pcm, snd_pcm_channel_area_t *areas,
+ void **bufs)
+{
+ unsigned int channel;
+ unsigned int channels = pcm->channels;
+ for (channel = 0; channel < channels; ++channel, ++areas, ++bufs) {
+ areas->addr = *bufs;
+ areas->first = 0;
+ areas->step = pcm->sample_bits;
+ }
+}
+
+snd_pcm_sframes_t snd_pcm_read_areas(snd_pcm_t *pcm, const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset, snd_pcm_uframes_t size,
+ snd_pcm_xfer_areas_func_t func)
+{
+ snd_pcm_uframes_t xfer = 0;
+ snd_pcm_sframes_t err = 0;
+ snd_pcm_state_t state;
+
+ if (size == 0)
+ return 0;
+
+ while (size > 0) {
+ snd_pcm_uframes_t frames;
+ snd_pcm_sframes_t avail;
+ _again:
+ state = snd_pcm_state(pcm);
+ switch (state) {
+ case SND_PCM_STATE_PREPARED:
+ err = snd_pcm_start(pcm);
+ if (err < 0)
+ goto _end;
+ break;
+ case SND_PCM_STATE_RUNNING:
+ err = snd_pcm_hwsync(pcm);
+ if (err < 0)
+ goto _end;
+ break;
+ case SND_PCM_STATE_DRAINING:
+ case SND_PCM_STATE_PAUSED:
+ break;
+ case SND_PCM_STATE_XRUN:
+ err = -EPIPE;
+ goto _end;
+ case SND_PCM_STATE_SUSPENDED:
+ err = -ESTRPIPE;
+ goto _end;
+ case SND_PCM_STATE_DISCONNECTED:
+ err = -ENODEV;
+ goto _end;
+ default:
+ err = -EBADFD;
+ goto _end;
+ }
+ avail = snd_pcm_avail_update(pcm);
+ if (avail < 0) {
+ err = avail;
+ goto _end;
+ }
+ if (avail == 0) {
+ if (state == SND_PCM_STATE_DRAINING)
+ goto _end;
+ if (pcm->mode & SND_PCM_NONBLOCK) {
+ err = -EAGAIN;
+ goto _end;
+ }
+
+ err = snd_pcm_wait(pcm, -1);
+ if (err < 0)
+ break;
+ goto _again;
+
+ }
+ frames = size;
+ if (frames > (snd_pcm_uframes_t) avail)
+ frames = avail;
+ if (! frames)
+ break;
+ err = func(pcm, areas, offset, frames);
+ if (err < 0)
+ break;
+ frames = err;
+ offset += frames;
+ size -= frames;
+ xfer += frames;
+ }
+ _end:
+ return xfer > 0 ? (snd_pcm_sframes_t) xfer : snd_pcm_check_error(pcm, err);
+}
+
+snd_pcm_sframes_t snd_pcm_write_areas(snd_pcm_t *pcm, const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset, snd_pcm_uframes_t size,
+ snd_pcm_xfer_areas_func_t func)
+{
+ snd_pcm_uframes_t xfer = 0;
+ snd_pcm_sframes_t err = 0;
+ snd_pcm_state_t state;
+
+ if (size == 0)
+ return 0;
+
+ while (size > 0) {
+ snd_pcm_uframes_t frames;
+ snd_pcm_sframes_t avail;
+ _again:
+ state = snd_pcm_state(pcm);
+ switch (state) {
+ case SND_PCM_STATE_PREPARED:
+ case SND_PCM_STATE_PAUSED:
+ break;
+ case SND_PCM_STATE_RUNNING:
+ err = snd_pcm_hwsync(pcm);
+ if (err < 0)
+ goto _end;
+ break;
+ case SND_PCM_STATE_XRUN:
+ err = -EPIPE;
+ goto _end;
+ case SND_PCM_STATE_SUSPENDED:
+ err = -ESTRPIPE;
+ goto _end;
+ case SND_PCM_STATE_DISCONNECTED:
+ err = -ENODEV;
+ goto _end;
+ default:
+ err = -EBADFD;
+ goto _end;
+ }
+ avail = snd_pcm_avail_update(pcm);
+ if (avail < 0) {
+ err = avail;
+ goto _end;
+ }
+ if ((state == SND_PCM_STATE_RUNNING &&
+ size > (snd_pcm_uframes_t)avail &&
+ snd_pcm_may_wait_for_avail_min(pcm, avail))) {
+ if (pcm->mode & SND_PCM_NONBLOCK) {
+ err = -EAGAIN;
+ goto _end;
+ }
+
+ err = snd_pcm_wait_nocheck(pcm, 500 /* milliseconds */);
+ if (err < 0)
+ break;
+ else if (err == 0) {
+ SNDERR("snd_pcm_wait_nocheck() timed out. State is %d", (int) state);
+ }
+ goto _again;
+ }
+ frames = size;
+ if (frames > (snd_pcm_uframes_t) avail)
+ frames = avail;
+ if (! frames)
+ break;
+ err = func(pcm, areas, offset, frames);
+ if (err < 0)
+ break;
+ frames = err;
+ if (state == SND_PCM_STATE_PREPARED) {
+ snd_pcm_sframes_t hw_avail = pcm->buffer_size - avail;
+ hw_avail += frames;
+ /* some plugins might automatically start the stream */
+ state = snd_pcm_state(pcm);
+ if (state == SND_PCM_STATE_PREPARED &&
+ hw_avail >= (snd_pcm_sframes_t) pcm->start_threshold) {
+ err = snd_pcm_start(pcm);
+ if (err < 0)
+ goto _end;
+ }
+ }
+ offset += frames;
+ size -= frames;
+ xfer += frames;
+ }
+ _end:
+ return xfer > 0 ? (snd_pcm_sframes_t) xfer : snd_pcm_check_error(pcm, err);
+}
+
+snd_pcm_uframes_t _snd_pcm_mmap_hw_ptr(snd_pcm_t *pcm)
+{
+ return *pcm->hw.ptr;
+}
+
+snd_pcm_uframes_t _snd_pcm_boundary(snd_pcm_t *pcm)
+{
+ return pcm->boundary;
+}
+
+#ifndef DOC_HIDDEN
+link_warning(_snd_pcm_mmap_hw_ptr, "Warning: _snd_pcm_mmap_hw_ptr() is deprecated, consider to not use this function");
+link_warning(_snd_pcm_boundary, "Warning: _snd_pcm_boundary() is deprecated, consider to use snd_pcm_sw_params_current()");
+#endif
+
+static const char *const names[SND_PCM_HW_PARAM_LAST_INTERVAL + 1] = {
+ [SND_PCM_HW_PARAM_FORMAT] = "format",
+ [SND_PCM_HW_PARAM_CHANNELS] = "channels",
+ [SND_PCM_HW_PARAM_RATE] = "rate",
+ [SND_PCM_HW_PARAM_PERIOD_TIME] = "period_time",
+ [SND_PCM_HW_PARAM_PERIOD_SIZE] = "period_size",
+ [SND_PCM_HW_PARAM_BUFFER_TIME] = "buffer_time",
+ [SND_PCM_HW_PARAM_BUFFER_SIZE] = "buffer_size",
+ [SND_PCM_HW_PARAM_PERIODS] = "periods"
+};
+
+int snd_pcm_slave_conf(snd_config_t *root, snd_config_t *conf,
+ snd_config_t **_pcm_conf, unsigned int count, ...)
+{
+ snd_config_iterator_t i, next;
+ const char *str;
+ struct {
+ unsigned int index;
+ int flags;
+ void *ptr;
+ int present;
+ } fields[count];
+ unsigned int k;
+ snd_config_t *pcm_conf = NULL;
+ int err;
+ int to_free = 0;
+ va_list args;
+ assert(root);
+ assert(conf);
+ assert(_pcm_conf);
+ if (snd_config_get_string(conf, &str) >= 0) {
+ err = snd_config_search_definition(root, "pcm_slave", str, &conf);
+ if (err < 0) {
+ SNDERR("Invalid slave definition");
+ return -EINVAL;
+ }
+ to_free = 1;
+ }
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid slave definition");
+ err = -EINVAL;
+ goto _err;
+ }
+ va_start(args, count);
+ for (k = 0; k < count; ++k) {
+ fields[k].index = va_arg(args, int);
+ fields[k].flags = va_arg(args, int);
+ fields[k].ptr = va_arg(args, void *);
+ fields[k].present = 0;
+ }
+ va_end(args);
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "pcm") == 0) {
+ if (pcm_conf != NULL)
+ snd_config_delete(pcm_conf);
+ if ((err = snd_config_copy(&pcm_conf, n)) < 0)
+ goto _err;
+ continue;
+ }
+ for (k = 0; k < count; ++k) {
+ unsigned int idx = fields[k].index;
+ long v;
+ assert(idx < SND_PCM_HW_PARAM_LAST_INTERVAL);
+ assert(names[idx]);
+ if (strcmp(id, names[idx]) != 0)
+ continue;
+ switch (idx) {
+ case SND_PCM_HW_PARAM_FORMAT:
+ {
+ snd_pcm_format_t f;
+ err = snd_config_get_string(n, &str);
+ if (err < 0) {
+ _invalid:
+ SNDERR("invalid type for %s", id);
+ goto _err;
+ }
+ if ((fields[k].flags & SCONF_UNCHANGED) &&
+ strcasecmp(str, "unchanged") == 0) {
+ *(snd_pcm_format_t*)fields[k].ptr = (snd_pcm_format_t) -2;
+ break;
+ }
+ f = snd_pcm_format_value(str);
+ if (f == SND_PCM_FORMAT_UNKNOWN) {
+ SNDERR("unknown format %s", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ *(snd_pcm_format_t*)fields[k].ptr = f;
+ break;
+ }
+ default:
+ if ((fields[k].flags & SCONF_UNCHANGED)) {
+ err = snd_config_get_string(n, &str);
+ if (err >= 0 &&
+ strcasecmp(str, "unchanged") == 0) {
+ *(int*)fields[k].ptr = -2;
+ break;
+ }
+ }
+ err = snd_config_get_integer(n, &v);
+ if (err < 0)
+ goto _invalid;
+ *(int*)fields[k].ptr = v;
+ break;
+ }
+ fields[k].present = 1;
+ break;
+ }
+ if (k < count)
+ continue;
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ if (!pcm_conf) {
+ SNDERR("missing field pcm");
+ err = -EINVAL;
+ goto _err;
+ }
+ for (k = 0; k < count; ++k) {
+ if ((fields[k].flags & SCONF_MANDATORY) && !fields[k].present) {
+ SNDERR("missing field %s", names[fields[k].index]);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ *_pcm_conf = pcm_conf;
+ pcm_conf = NULL;
+ err = 0;
+ _err:
+ if (pcm_conf)
+ snd_config_delete(pcm_conf);
+ if (to_free)
+ snd_config_delete(conf);
+ return err;
+}
+
+
+int snd_pcm_conf_generic_id(const char *id)
+{
+ static const char ids[3][8] = { "comment", "type", "hint" };
+ unsigned int k;
+ for (k = 0; k < sizeof(ids) / sizeof(ids[0]); ++k) {
+ if (strcmp(id, ids[k]) == 0)
+ return 1;
+ }
+ return 0;
+}
+
+static void snd_pcm_set_ptr(snd_pcm_t *pcm, snd_pcm_rbptr_t *rbptr,
+ volatile snd_pcm_uframes_t *hw_ptr, int fd, off_t offset)
+{
+ rbptr->master = NULL; /* I'm master */
+ rbptr->ptr = hw_ptr;
+ rbptr->fd = fd;
+ rbptr->offset = offset;
+ if (rbptr->changed)
+ rbptr->changed(pcm, NULL);
+}
+
+void snd_pcm_set_hw_ptr(snd_pcm_t *pcm, volatile snd_pcm_uframes_t *hw_ptr, int fd, off_t offset)
+{
+ assert(pcm);
+ assert(hw_ptr);
+ snd_pcm_set_ptr(pcm, &pcm->hw, hw_ptr, fd, offset);
+}
+
+void snd_pcm_set_appl_ptr(snd_pcm_t *pcm, volatile snd_pcm_uframes_t *appl_ptr, int fd, off_t offset)
+{
+ assert(pcm);
+ assert(appl_ptr);
+ snd_pcm_set_ptr(pcm, &pcm->appl, appl_ptr, fd, offset);
+}
+
+static void snd_pcm_link_ptr(snd_pcm_t *pcm, snd_pcm_rbptr_t *pcm_rbptr,
+ snd_pcm_t *slave, snd_pcm_rbptr_t *slave_rbptr)
+{
+ snd_pcm_t **a;
+ int idx;
+
+ a = slave_rbptr->link_dst;
+ for (idx = 0; idx < slave_rbptr->link_dst_count; idx++)
+ if (a[idx] == NULL) {
+ a[idx] = pcm;
+ goto __found_free_place;
+ }
+ a = realloc(a, sizeof(snd_pcm_t *) * (slave_rbptr->link_dst_count + 1));
+ if (a == NULL) {
+ pcm_rbptr->ptr = NULL;
+ pcm_rbptr->fd = -1;
+ pcm_rbptr->offset = 0UL;
+ return;
+ }
+ a[slave_rbptr->link_dst_count++] = pcm;
+ __found_free_place:
+ pcm_rbptr->master = slave_rbptr->master ? slave_rbptr->master : slave;
+ pcm_rbptr->ptr = slave_rbptr->ptr;
+ pcm_rbptr->fd = slave_rbptr->fd;
+ pcm_rbptr->offset = slave_rbptr->offset;
+ slave_rbptr->link_dst = a;
+ if (pcm_rbptr->changed)
+ pcm_rbptr->changed(pcm, slave);
+}
+
+static void snd_pcm_unlink_ptr(snd_pcm_t *pcm, snd_pcm_rbptr_t *pcm_rbptr,
+ snd_pcm_t *slave, snd_pcm_rbptr_t *slave_rbptr)
+{
+ snd_pcm_t **a;
+ int idx;
+
+ a = slave_rbptr->link_dst;
+ for (idx = 0; idx < slave_rbptr->link_dst_count; idx++) {
+ if (a[idx] == pcm) {
+ a[idx] = NULL;
+ goto __found;
+ }
+ }
+ /* assert(0); */
+ return;
+
+ __found:
+ pcm_rbptr->master = NULL;
+ pcm_rbptr->ptr = NULL;
+ pcm_rbptr->fd = -1;
+ pcm_rbptr->offset = 0UL;
+ if (pcm_rbptr->changed)
+ pcm_rbptr->changed(pcm, slave);
+}
+
+void snd_pcm_link_hw_ptr(snd_pcm_t *pcm, snd_pcm_t *slave)
+{
+ assert(pcm);
+ assert(slave);
+ snd_pcm_link_ptr(pcm, &pcm->hw, slave, &slave->hw);
+}
+
+void snd_pcm_link_appl_ptr(snd_pcm_t *pcm, snd_pcm_t *slave)
+{
+ assert(pcm);
+ assert(slave);
+ snd_pcm_link_ptr(pcm, &pcm->appl, slave, &slave->appl);
+}
+
+void snd_pcm_unlink_hw_ptr(snd_pcm_t *pcm, snd_pcm_t *slave)
+{
+ assert(pcm);
+ assert(slave);
+ snd_pcm_unlink_ptr(pcm, &pcm->hw, slave, &slave->hw);
+}
+
+void snd_pcm_unlink_appl_ptr(snd_pcm_t *pcm, snd_pcm_t *slave)
+{
+ assert(pcm);
+ assert(slave);
+ snd_pcm_unlink_ptr(pcm, &pcm->appl, slave, &slave->appl);
+}
+
+#endif /* DOC_HIDDEN */
+
+/*
+ *
+ */
+
+#ifndef DOC_HIDDEN
+
+#ifdef USE_VERSIONED_SYMBOLS
+
+#define OBSOLETE1(name, what, new) \
+ default_symbol_version(__##name, name, new); \
+ symbol_version(__old_##name, name, what);
+
+#else
+
+#define OBSOLETE1(name, what, new) \
+ use_default_symbol_version(__##name, name, new);
+
+#endif /* USE_VERSIONED_SYMBOLS */
+
+#define __P_OLD_GET(pfx, name, val_type, ret_type) \
+ret_type pfx##name(const snd_pcm_hw_params_t *params) \
+{ \
+ val_type val; \
+ if (INTERNAL(name)(params, &val) < 0) \
+ return 0; \
+ return (ret_type)val; \
+}
+
+#define __P_OLD_GET1(pfx, name, val_type, ret_type) \
+ret_type pfx##name(const snd_pcm_hw_params_t *params, int *dir) \
+{ \
+ val_type val; \
+ if (INTERNAL(name)(params, &val, dir) < 0) \
+ return 0; \
+ return (ret_type)val; \
+}
+
+#define __OLD_GET(name, val_type, ret_type) __P_OLD_GET(__old_, name, val_type, ret_type)
+#define __OLD_GET1(name, val_type, ret_type) __P_OLD_GET1(__old_, name, val_type, ret_type)
+
+__OLD_GET(snd_pcm_hw_params_get_access, snd_pcm_access_t, int);
+__OLD_GET(snd_pcm_hw_params_get_format, snd_pcm_format_t, int);
+__OLD_GET(snd_pcm_hw_params_get_subformat, snd_pcm_subformat_t, int);
+__OLD_GET(snd_pcm_hw_params_get_channels, unsigned int, int);
+__OLD_GET1(snd_pcm_hw_params_get_rate, unsigned int, int);
+__OLD_GET1(snd_pcm_hw_params_get_period_time, unsigned int, int);
+__OLD_GET1(snd_pcm_hw_params_get_period_size, snd_pcm_uframes_t, snd_pcm_sframes_t);
+__OLD_GET1(snd_pcm_hw_params_get_periods, unsigned int, int);
+__OLD_GET1(snd_pcm_hw_params_get_buffer_time, unsigned int, int);
+__OLD_GET(snd_pcm_hw_params_get_buffer_size, snd_pcm_uframes_t, snd_pcm_sframes_t);
+__OLD_GET1(snd_pcm_hw_params_get_tick_time, unsigned int, int);
+
+__OLD_GET(snd_pcm_hw_params_get_channels_min, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_rate_min, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_period_time_min, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_period_size_min, snd_pcm_uframes_t, snd_pcm_uframes_t);
+__OLD_GET1(snd_pcm_hw_params_get_periods_min, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_buffer_time_min, unsigned int, unsigned int);
+__OLD_GET(snd_pcm_hw_params_get_buffer_size_min, snd_pcm_uframes_t, snd_pcm_uframes_t);
+__OLD_GET1(snd_pcm_hw_params_get_tick_time_min, unsigned int, unsigned int);
+
+__OLD_GET(snd_pcm_hw_params_get_channels_max, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_rate_max, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_period_time_max, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_period_size_max, snd_pcm_uframes_t, snd_pcm_uframes_t);
+__OLD_GET1(snd_pcm_hw_params_get_periods_max, unsigned int, unsigned int);
+__OLD_GET1(snd_pcm_hw_params_get_buffer_time_max, unsigned int, unsigned int);
+__OLD_GET(snd_pcm_hw_params_get_buffer_size_max, snd_pcm_uframes_t, snd_pcm_uframes_t);
+__OLD_GET1(snd_pcm_hw_params_get_tick_time_max, unsigned int, unsigned int);
+
+#define __P_OLD_NEAR(pfx, name, ret_type) \
+ret_type pfx##name(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, ret_type val) \
+{ \
+ if (INTERNAL(name)(pcm, params, &val) < 0) \
+ return 0; \
+ return (ret_type)val; \
+}
+
+#define __P_OLD_NEAR1(pfx, name, ret_type) \
+ret_type pfx##name(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, ret_type val, int *dir) \
+{ \
+ if (INTERNAL(name)(pcm, params, &val, dir) < 0) \
+ return 0; \
+ return (ret_type)val; \
+}
+
+#define __OLD_NEAR(name, ret_type) __P_OLD_NEAR(__old_, name, ret_type)
+#define __OLD_NEAR1(name, ret_type) __P_OLD_NEAR1(__old_, name, ret_type)
+
+__OLD_NEAR(snd_pcm_hw_params_set_channels_near, unsigned int);
+__OLD_NEAR1(snd_pcm_hw_params_set_rate_near, unsigned int);
+__OLD_NEAR1(snd_pcm_hw_params_set_period_time_near, unsigned int);
+__OLD_NEAR1(snd_pcm_hw_params_set_period_size_near, snd_pcm_uframes_t);
+__OLD_NEAR1(snd_pcm_hw_params_set_periods_near, unsigned int);
+__OLD_NEAR1(snd_pcm_hw_params_set_buffer_time_near, unsigned int);
+__OLD_NEAR(snd_pcm_hw_params_set_buffer_size_near, snd_pcm_uframes_t);
+__OLD_NEAR1(snd_pcm_hw_params_set_tick_time_near, unsigned int);
+
+#define __P_OLD_SET_FL(pfx, name, ret_type) \
+ret_type pfx##name(snd_pcm_t *pcm, snd_pcm_hw_params_t *params) \
+{ \
+ ret_type val; \
+ if (INTERNAL(name)(pcm, params, &val) < 0) \
+ return 0; \
+ return (ret_type)val; \
+}
+
+#define __P_OLD_SET_FL1(pfx, name, ret_type) \
+ret_type pfx##name(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, int *dir) \
+{ \
+ ret_type val; \
+ if (INTERNAL(name)(pcm, params, &val, dir) < 0) \
+ return 0; \
+ return (ret_type)val; \
+}
+
+#define __OLD_SET_FL(name, ret_type) __P_OLD_SET_FL(__old_, name, ret_type)
+#define __OLD_SET_FL1(name, ret_type) __P_OLD_SET_FL1(__old_, name, ret_type)
+
+__OLD_SET_FL(snd_pcm_hw_params_set_access_first, snd_pcm_access_t);
+__OLD_SET_FL(snd_pcm_hw_params_set_format_first, snd_pcm_format_t);
+__OLD_SET_FL(snd_pcm_hw_params_set_subformat_first, snd_pcm_subformat_t);
+__OLD_SET_FL(snd_pcm_hw_params_set_channels_first, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_rate_first, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_period_time_first, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_period_size_first, snd_pcm_uframes_t);
+__OLD_SET_FL1(snd_pcm_hw_params_set_periods_first, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_buffer_time_first, unsigned int);
+__OLD_SET_FL(snd_pcm_hw_params_set_buffer_size_first, snd_pcm_uframes_t);
+__OLD_SET_FL1(snd_pcm_hw_params_set_tick_time_first, unsigned int);
+
+__OLD_SET_FL(snd_pcm_hw_params_set_access_last, snd_pcm_access_t);
+__OLD_SET_FL(snd_pcm_hw_params_set_format_last, snd_pcm_format_t);
+__OLD_SET_FL(snd_pcm_hw_params_set_subformat_last, snd_pcm_subformat_t);
+__OLD_SET_FL(snd_pcm_hw_params_set_channels_last, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_rate_last, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_period_time_last, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_period_size_last, snd_pcm_uframes_t);
+__OLD_SET_FL1(snd_pcm_hw_params_set_periods_last, unsigned int);
+__OLD_SET_FL1(snd_pcm_hw_params_set_buffer_time_last, unsigned int);
+__OLD_SET_FL(snd_pcm_hw_params_set_buffer_size_last, snd_pcm_uframes_t);
+__OLD_SET_FL1(snd_pcm_hw_params_set_tick_time_last, unsigned int);
+
+#define __P_OLD_GET_SW(pfx, name, ret_type) \
+ret_type pfx##name(snd_pcm_sw_params_t *params) \
+{ \
+ ret_type val; \
+ if (INTERNAL(name)(params, &val) < 0) \
+ return 0; \
+ return (ret_type)val; \
+}
+
+#define __OLD_GET_SW(name, ret_type) __P_OLD_GET_SW(__old_, name, ret_type)
+
+__OLD_GET_SW(snd_pcm_sw_params_get_tstamp_mode, snd_pcm_tstamp_t);
+__OLD_GET_SW(snd_pcm_sw_params_get_sleep_min, unsigned int);
+__OLD_GET_SW(snd_pcm_sw_params_get_avail_min, snd_pcm_uframes_t);
+__OLD_GET_SW(snd_pcm_sw_params_get_xfer_align, snd_pcm_uframes_t);
+__OLD_GET_SW(snd_pcm_sw_params_get_start_threshold, snd_pcm_uframes_t);
+__OLD_GET_SW(snd_pcm_sw_params_get_stop_threshold, snd_pcm_uframes_t);
+__OLD_GET_SW(snd_pcm_sw_params_get_silence_threshold, snd_pcm_uframes_t);
+__OLD_GET_SW(snd_pcm_sw_params_get_silence_size, snd_pcm_uframes_t);
+
+OBSOLETE1(snd_pcm_hw_params_get_access, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_access_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_access_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_format, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_format_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_format_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_subformat, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_subformat_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_subformat_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_channels, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_channels_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_channels_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_channels_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_channels_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_channels_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_rate, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_rate_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_rate_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_rate_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_rate_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_rate_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_period_time, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_period_time_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_period_time_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_period_time_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_period_time_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_period_time_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_period_size, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_period_size_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_period_size_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_period_size_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_period_size_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_period_size_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_periods, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_periods_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_periods_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_periods_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_periods_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_periods_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_buffer_time, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_buffer_time_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_buffer_time_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_buffer_time_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_buffer_time_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_buffer_time_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_buffer_size, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_buffer_size_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_buffer_size_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_buffer_size_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_buffer_size_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_buffer_size_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_hw_params_get_tick_time, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_tick_time_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_get_tick_time_max, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_tick_time_near, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_tick_time_first, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_hw_params_set_tick_time_last, ALSA_0.9, ALSA_0.9.0rc4);
+
+OBSOLETE1(snd_pcm_sw_params_get_tstamp_mode, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_sw_params_get_sleep_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_sw_params_get_avail_min, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_sw_params_get_xfer_align, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_sw_params_get_start_threshold, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_sw_params_get_stop_threshold, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_sw_params_get_silence_threshold, ALSA_0.9, ALSA_0.9.0rc4);
+OBSOLETE1(snd_pcm_sw_params_get_silence_size, ALSA_0.9, ALSA_0.9.0rc4);
+
+#endif /* DOC_HIDDEN */
+
+static int chmap_equal(const snd_pcm_chmap_t *a, const snd_pcm_chmap_t *b)
+{
+ if (a->channels != b->channels)
+ return 0;
+ return !memcmp(a->pos, b->pos, a->channels * sizeof(a->pos[0]));
+}
+
+/**
+ * \!brief Query the available channel maps
+ * \param pcm PCM handle to query
+ * \return the NULL-terminated array of integer pointers, each of
+ * which contains the channel map. A channel map is represented by an
+ * integer array, beginning with the channel map type, followed by the
+ * number of channels, and the position of each channel.
+ *
+ * Note: the caller is requested to release the returned value via
+ * snd_pcm_free_chmaps().
+ */
+snd_pcm_chmap_query_t **snd_pcm_query_chmaps(snd_pcm_t *pcm)
+{
+ if (!pcm->ops->query_chmaps)
+ return NULL;
+ return pcm->ops->query_chmaps(pcm);
+}
+
+/**
+ * \!brief Release the channel map array allocated via #snd_pcm_query_chmaps
+ * \param maps the array pointer to release
+ */
+void snd_pcm_free_chmaps(snd_pcm_chmap_query_t **maps)
+{
+ snd_pcm_chmap_query_t **p = maps;
+ if (!maps)
+ return;
+ for (p = maps; *p; p++)
+ free(*p);
+ free(maps);
+}
+
+/**
+ * \!brief Get the current channel map
+ * \param pcm PCM instance
+ * \return the current channel map, or NULL if error
+ *
+ * Note: the caller is requested to release the returned value via free()
+ */
+snd_pcm_chmap_t *snd_pcm_get_chmap(snd_pcm_t *pcm)
+{
+ if (!pcm->ops->get_chmap)
+ return NULL;
+ return pcm->ops->get_chmap(pcm);
+}
+
+/**
+ * \!brief Configure the current channel map
+ * \param pcm PCM instance
+ * \param map the channel map to write
+ * \return zero if succeeded, or a negative error code
+ */
+int snd_pcm_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ const snd_pcm_chmap_t *oldmap = snd_pcm_get_chmap(pcm);
+ if (oldmap && chmap_equal(oldmap, map))
+ return 0;
+
+ if (!pcm->ops->set_chmap)
+ return -ENXIO;
+ return pcm->ops->set_chmap(pcm, map);
+}
+
+/*
+ */
+#ifndef DOC_HIDDEN
+#define _NAME(n) [SND_CHMAP_TYPE_##n] = #n
+static const char *chmap_type_names[SND_CHMAP_TYPE_LAST + 1] = {
+ _NAME(NONE), _NAME(FIXED), _NAME(VAR), _NAME(PAIRED),
+};
+#undef _NAME
+#endif
+
+/**
+ * \!brief Get a name string for a channel map type as query results
+ * \param val Channel position
+ * \return The string corresponding to the given type, or NULL
+ */
+const char *snd_pcm_chmap_type_name(enum snd_pcm_chmap_type val)
+{
+ if (val <= SND_CHMAP_TYPE_LAST)
+ return chmap_type_names[val];
+ else
+ return NULL;
+}
+
+#ifndef DOC_HIDDEN
+#define _NAME(n) [SND_CHMAP_##n] = #n
+static const char *chmap_names[SND_CHMAP_LAST + 1] = {
+ _NAME(UNKNOWN), _NAME(NA), _NAME(MONO),
+ _NAME(FL), _NAME(FR),
+ _NAME(RL), _NAME(RR),
+ _NAME(FC), _NAME(LFE),
+ _NAME(SL), _NAME(SR),
+ _NAME(RC), _NAME(FLC), _NAME(FRC), _NAME(RLC), _NAME(RRC),
+ _NAME(FLW), _NAME(FRW),
+ _NAME(FLH), _NAME(FCH), _NAME(FRH), _NAME(TC),
+ _NAME(TFL), _NAME(TFR), _NAME(TFC),
+ _NAME(TRL), _NAME(TRR), _NAME(TRC),
+ _NAME(TFLC), _NAME(TFRC), _NAME(TSL), _NAME(TSR),
+ _NAME(LLFE), _NAME(RLFE),
+ _NAME(BC), _NAME(BLC), _NAME(BRC),
+};
+#undef _NAME
+#endif
+
+/**
+ * \!brief Get a name string for a standard channel map position
+ * \param val Channel position
+ * \return The string corresponding to the given position, or NULL
+ */
+const char *snd_pcm_chmap_name(enum snd_pcm_chmap_position val)
+{
+ if (val <= SND_CHMAP_LAST)
+ return chmap_names[val];
+ else
+ return NULL;
+}
+
+static const char *chmap_long_names[SND_CHMAP_LAST + 1] = {
+ [SND_CHMAP_UNKNOWN] = "Unknown",
+ [SND_CHMAP_NA] = "Unused",
+ [SND_CHMAP_MONO] = "Mono",
+ [SND_CHMAP_FL] = "Front Left",
+ [SND_CHMAP_FR] = "Front Right",
+ [SND_CHMAP_RL] = "Rear Left",
+ [SND_CHMAP_RR] = "Rear Right",
+ [SND_CHMAP_FC] = "Front Center",
+ [SND_CHMAP_LFE] = "LFE",
+ [SND_CHMAP_SL] = "Side Left",
+ [SND_CHMAP_SR] = "Side Right",
+ [SND_CHMAP_RC] = "Rear Center",
+ [SND_CHMAP_FLC] = "Front Left Center",
+ [SND_CHMAP_FRC] = "Front Right Center",
+ [SND_CHMAP_RLC] = "Rear Left Center",
+ [SND_CHMAP_RRC] = "Rear Right Center",
+ [SND_CHMAP_FLW] = "Front Left Wide",
+ [SND_CHMAP_FRW] = "Front Right Wide",
+ [SND_CHMAP_FLH] = "Front Left High",
+ [SND_CHMAP_FCH] = "Front Center High",
+ [SND_CHMAP_FRH] = "Front Right High",
+ [SND_CHMAP_TC] = "Top Center",
+ [SND_CHMAP_TFL] = "Top Front Left",
+ [SND_CHMAP_TFR] = "Top Front Right",
+ [SND_CHMAP_TFC] = "Top Front Center",
+ [SND_CHMAP_TRL] = "Top Rear Left",
+ [SND_CHMAP_TRR] = "Top Rear Right",
+ [SND_CHMAP_TRC] = "Top Rear Center",
+ [SND_CHMAP_TFLC] = "Top Front Left Center",
+ [SND_CHMAP_TFRC] = "Top Front Right Center",
+ [SND_CHMAP_TSL] = "Top Side Left",
+ [SND_CHMAP_TSR] = "Top Side Right",
+ [SND_CHMAP_LLFE] = "Left LFE",
+ [SND_CHMAP_RLFE] = "Right LFE",
+ [SND_CHMAP_BC] = "Bottom Center",
+ [SND_CHMAP_BLC] = "Bottom Left Center",
+ [SND_CHMAP_BRC] = "Bottom Right Center",
+};
+
+/**
+ * \!brief Get a longer name string for a standard channel map position
+ * \param val Channel position
+ * \return The string corresponding to the given position, or NULL
+ */
+const char *snd_pcm_chmap_long_name(enum snd_pcm_chmap_position val)
+{
+ if (val <= SND_CHMAP_LAST)
+ return chmap_long_names[val];
+ else
+ return NULL;
+}
+
+/**
+ * \!brief Print the channels in chmap on the buffer
+ * \param map The channel map to print
+ * \param maxlen The maximal length to write (including NUL letter)
+ * \param buf The buffer to write
+ * \return The actual string length or a negative error code
+ */
+int snd_pcm_chmap_print(const snd_pcm_chmap_t *map, size_t maxlen, char *buf)
+{
+ unsigned int i, len = 0;
+
+ for (i = 0; i < map->channels; i++) {
+ unsigned int p = map->pos[i] & SND_CHMAP_POSITION_MASK;
+ if (i > 0) {
+ len += snprintf(buf + len, maxlen - len, " ");
+ if (len >= maxlen)
+ return -ENOMEM;
+ }
+ if (map->pos[i] & SND_CHMAP_DRIVER_SPEC)
+ len += snprintf(buf + len, maxlen - len, "%d", p);
+ else {
+ const char *name = chmap_names[p];
+ if (name)
+ len += snprintf(buf + len, maxlen - len,
+ "%s", name);
+ else
+ len += snprintf(buf + len, maxlen - len,
+ "Ch%d", p);
+ }
+ if (len >= maxlen)
+ return -ENOMEM;
+ if (map->pos[i] & SND_CHMAP_PHASE_INVERSE) {
+ len += snprintf(buf + len, maxlen - len, "[INV]");
+ if (len >= maxlen)
+ return -ENOMEM;
+ }
+ }
+ return len;
+}
+
+static int str_to_chmap(const char *str, int len)
+{
+ int val;
+ unsigned long v;
+ char *p;
+
+ if (isdigit(*str)) {
+ v = strtoul(str, &p, 0);
+ if (v == ULONG_MAX)
+ return -1;
+ val = v;
+ val |= SND_CHMAP_DRIVER_SPEC;
+ str = p;
+ } else if (!strncasecmp(str, "ch", 2)) {
+ v = strtoul(str + 2, &p, 0);
+ if (v == ULONG_MAX)
+ return -1;
+ val = v;
+ str = p;
+ } else {
+ for (val = 0; val <= SND_CHMAP_LAST; val++) {
+ int slen;
+ assert(chmap_names[val]);
+ slen = strlen(chmap_names[val]);
+ if (slen > len)
+ continue;
+ if (!strncasecmp(str, chmap_names[val], slen) &&
+ !isalpha(str[slen])) {
+ str += slen;
+ break;
+ }
+ }
+ if (val > SND_CHMAP_LAST)
+ return -1;
+ }
+ if (str && !strncasecmp(str, "[INV]", 5))
+ val |= SND_CHMAP_PHASE_INVERSE;
+ return val;
+}
+
+/**
+ * \!brief Convert from string to channel position
+ * \param str The string to parse
+ * \return The channel position value or -1 as an error
+ */
+unsigned int snd_pcm_chmap_from_string(const char *str)
+{
+ return str_to_chmap(str, strlen(str));
+}
+
+/**
+ * \!brief Convert from string to channel map
+ * \param str The string to parse
+ * \return The channel map
+ *
+ * Note: the caller is requested to release the returned value via free()
+ */
+snd_pcm_chmap_t *snd_pcm_chmap_parse_string(const char *str)
+{
+ int i, ch = 0;
+ int tmp_map[64];
+ snd_pcm_chmap_t *map;
+
+ for (;;) {
+ const char *p;
+ int len, val;
+
+ if (ch >= (int)(sizeof(tmp_map) / sizeof(tmp_map[0])))
+ return NULL;
+ for (p = str; *p && isalnum(*p); p++)
+ ;
+ len = p - str;
+ if (!len)
+ return NULL;
+ val = str_to_chmap(str, len);
+ if (val < 0)
+ return NULL;
+ str += len;
+ if (*str == '[') {
+ if (!strncmp(str, "[INV]", 5)) {
+ val |= SND_CHMAP_PHASE_INVERSE;
+ str += 5;
+ }
+ }
+ tmp_map[ch] = val;
+ ch++;
+ for (; *str && !isalnum(*str); str++)
+ ;
+ if (!*str)
+ break;
+ }
+ map = malloc(sizeof(*map) + ch * sizeof(int));
+ if (!map)
+ return NULL;
+ map->channels = ch;
+ for (i = 0; i < ch; i++)
+ map->pos[i] = tmp_map[i];
+ return map;
+}
+
+/* copy a single channel map with the fixed type to chmap_query pointer */
+static int _copy_to_fixed_query_map(snd_pcm_chmap_query_t **dst,
+ const snd_pcm_chmap_t *src)
+{
+ *dst = malloc((src->channels + 2) * sizeof(int));
+ if (!*dst)
+ return -ENOMEM;
+ (*dst)->type = SND_CHMAP_TYPE_FIXED;
+ memcpy(&(*dst)->map, src, (src->channels + 1) * sizeof(int));
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+/* make a chmap_query array from a single channel map */
+snd_pcm_chmap_query_t **
+_snd_pcm_make_single_query_chmaps(const snd_pcm_chmap_t *src)
+{
+ snd_pcm_chmap_query_t **maps;
+
+ maps = calloc(2, sizeof(*maps));
+ if (!maps)
+ return NULL;
+ if (_copy_to_fixed_query_map(maps, src)) {
+ free(maps);
+ return NULL;
+ }
+ return maps;
+}
+
+/* make a copy of chmap */
+snd_pcm_chmap_t *_snd_pcm_copy_chmap(const snd_pcm_chmap_t *src)
+{
+ snd_pcm_chmap_t *map;
+
+ map = malloc((src->channels + 1) * sizeof(int));
+ if (!map)
+ return NULL;
+ memcpy(map, src, (src->channels + 1) * sizeof(int));
+ return map;
+}
+
+/* make a copy of channel maps */
+snd_pcm_chmap_query_t **
+_snd_pcm_copy_chmap_query(snd_pcm_chmap_query_t * const *src)
+{
+ snd_pcm_chmap_query_t * const *p;
+ snd_pcm_chmap_query_t **maps;
+ int i, nums;
+
+ for (nums = 0, p = src; *p; p++)
+ nums++;
+
+ maps = calloc(nums + 1, sizeof(*maps));
+ if (!maps)
+ return NULL;
+ for (i = 0; i < nums; i++) {
+ maps[i] = malloc((src[i]->map.channels + 2) * sizeof(int));
+ if (!maps[i]) {
+ snd_pcm_free_chmaps(maps);
+ return NULL;
+ }
+ memcpy(maps[i], src[i], (src[i]->map.channels + 2) * sizeof(int));
+ }
+ return maps;
+}
+
+/* select the channel map with the current PCM channels and make a copy */
+snd_pcm_chmap_t *
+_snd_pcm_choose_fixed_chmap(snd_pcm_t *pcm, snd_pcm_chmap_query_t * const *maps)
+{
+ snd_pcm_chmap_query_t * const *p;
+
+ for (p = maps; *p; p++) {
+ if ((*p)->map.channels == pcm->channels)
+ return _snd_pcm_copy_chmap(&(*p)->map);
+ }
+ return NULL;
+}
+
+/* make chmap_query array from the config tree;
+ * conf must be a compound (array)
+ */
+snd_pcm_chmap_query_t **
+_snd_pcm_parse_config_chmaps(snd_config_t *conf)
+{
+ snd_pcm_chmap_t *chmap;
+ snd_pcm_chmap_query_t **maps;
+ snd_config_iterator_t i, next;
+ const char *str;
+ int nums, err;
+
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND)
+ return NULL;
+
+ nums = 0;
+ snd_config_for_each(i, next, conf) {
+ nums++;
+ }
+
+ maps = calloc(nums + 1, sizeof(*maps));
+ if (!maps)
+ return NULL;
+
+ nums = 0;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ err = snd_config_get_string(n, &str);
+ if (err < 0)
+ goto error;
+ chmap = snd_pcm_chmap_parse_string(str);
+ if (!chmap)
+ goto error;
+ if (_copy_to_fixed_query_map(maps + nums, chmap)) {
+ free(chmap);
+ goto error;
+ }
+ nums++;
+ }
+ return maps;
+
+ error:
+ snd_pcm_free_chmaps(maps);
+ return NULL;
+}
+#endif /* DOC_HIDDEN */
+
+/*
+ * basic helpers
+ */
+
+
+/**
+ * \brief Recover the stream state from an error or suspend
+ * \param pcm PCM handle
+ * \param err error number
+ * \param silent do not print error reason
+ * \return 0 when error code was handled successfuly, otherwise a negative error code
+ *
+ * This a high-level helper function building on other functions.
+ *
+ * This functions handles -EINTR (interrupted system call),
+ * -EPIPE (overrun or underrun) and -ESTRPIPE (stream is suspended)
+ * error codes trying to prepare given stream for next I/O.
+ *
+ * Note that this function returs the original error code when it is not
+ * handled inside this function (for example -EAGAIN is returned back).
+ */
+int snd_pcm_recover(snd_pcm_t *pcm, int err, int silent)
+{
+ if (err > 0)
+ err = -err;
+ if (err == -EINTR) /* nothing to do, continue */
+ return 0;
+ if (err == -EPIPE) {
+ const char *s;
+ if (snd_pcm_stream(pcm) == SND_PCM_STREAM_PLAYBACK)
+ s = "underrun";
+ else
+ s = "overrun";
+ if (!silent)
+ SNDERR("%s occurred", s);
+ err = snd_pcm_prepare(pcm);
+ if (err < 0) {
+ SNDERR("cannot recovery from %s, prepare failed: %s", s, snd_strerror(err));
+ return err;
+ }
+ return 0;
+ }
+ if (err == -ESTRPIPE) {
+ while ((err = snd_pcm_resume(pcm)) == -EAGAIN)
+ /* wait until suspend flag is released */
+ poll(NULL, 0, 1000);
+ if (err < 0) {
+ err = snd_pcm_prepare(pcm);
+ if (err < 0) {
+ SNDERR("cannot recovery from suspend, prepare failed: %s", snd_strerror(err));
+ return err;
+ }
+ }
+ return 0;
+ }
+ return err;
+}
+
+/**
+ * \brief Set the hardware and software parameters in a simple way
+ * \param pcm PCM handle
+ * \param format required PCM format
+ * \param access required PCM access
+ * \param channels required PCM channels
+ * \param rate required sample rate in Hz
+ * \param soft_resample 0 = disallow alsa-lib resample stream, 1 = allow resampling
+ * \param latency required overall latency in us
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_set_params(snd_pcm_t *pcm,
+ snd_pcm_format_t format,
+ snd_pcm_access_t access,
+ unsigned int channels,
+ unsigned int rate,
+ int soft_resample,
+ unsigned int latency)
+{
+ snd_pcm_hw_params_t *params;
+ snd_pcm_sw_params_t *swparams;
+ const char *s = snd_pcm_stream_name(snd_pcm_stream(pcm));
+ snd_pcm_uframes_t buffer_size, period_size;
+ unsigned int rrate, period_time;
+ int err;
+
+ snd_pcm_hw_params_alloca(¶ms);
+ snd_pcm_sw_params_alloca(&swparams);
+
+ assert(pcm);
+ /* choose all parameters */
+ err = snd_pcm_hw_params_any(pcm, params);
+ if (err < 0) {
+ SNDERR("Broken configuration for %s: no configurations available", s);
+ return err;
+ }
+ /* set software resampling */
+ err = snd_pcm_hw_params_set_rate_resample(pcm, params, soft_resample);
+ if (err < 0) {
+ SNDERR("Resampling setup failed for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ /* set the selected read/write format */
+ err = snd_pcm_hw_params_set_access(pcm, params, access);
+ if (err < 0) {
+ SNDERR("Access type not available for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ /* set the sample format */
+ err = snd_pcm_hw_params_set_format(pcm, params, format);
+ if (err < 0) {
+ SNDERR("Sample format not available for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ /* set the count of channels */
+ err = snd_pcm_hw_params_set_channels(pcm, params, channels);
+ if (err < 0) {
+ SNDERR("Channels count (%i) not available for %s: %s", channels, s, snd_strerror(err));
+ return err;
+ }
+ /* set the stream rate */
+ rrate = rate;
+ err = INTERNAL(snd_pcm_hw_params_set_rate_near)(pcm, params, &rrate, 0);
+ if (err < 0) {
+ SNDERR("Rate %iHz not available for playback: %s", rate, snd_strerror(err));
+ return err;
+ }
+ if (rrate != rate) {
+ SNDERR("Rate doesn't match (requested %iHz, get %iHz)", rate, rrate);
+ return -EINVAL;
+ }
+ /* set the buffer time */
+ err = INTERNAL(snd_pcm_hw_params_set_buffer_time_near)(pcm, params, &latency, NULL);
+ if (err < 0) {
+ /* error path -> set period size as first */
+ /* set the period time */
+ period_time = latency / 4;
+ err = INTERNAL(snd_pcm_hw_params_set_period_time_near)(pcm, params, &period_time, NULL);
+ if (err < 0) {
+ SNDERR("Unable to set period time %i for %s: %s", period_time, s, snd_strerror(err));
+ return err;
+ }
+ err = INTERNAL(snd_pcm_hw_params_get_period_size)(params, &period_size, NULL);
+ if (err < 0) {
+ SNDERR("Unable to get period size for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ buffer_size = period_size * 4;
+ err = INTERNAL(snd_pcm_hw_params_set_buffer_size_near)(pcm, params, &buffer_size);
+ if (err < 0) {
+ SNDERR("Unable to set buffer size %lu %s: %s", buffer_size, s, snd_strerror(err));
+ return err;
+ }
+ err = INTERNAL(snd_pcm_hw_params_get_buffer_size)(params, &buffer_size);
+ if (err < 0) {
+ SNDERR("Unable to get buffer size for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ } else {
+ /* standard configuration buffer_time -> periods */
+ err = INTERNAL(snd_pcm_hw_params_get_buffer_size)(params, &buffer_size);
+ if (err < 0) {
+ SNDERR("Unable to get buffer size for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ err = INTERNAL(snd_pcm_hw_params_get_buffer_time)(params, &latency, NULL);
+ if (err < 0) {
+ SNDERR("Unable to get buffer time (latency) for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ /* set the period time */
+ period_time = latency / 4;
+ err = INTERNAL(snd_pcm_hw_params_set_period_time_near)(pcm, params, &period_time, NULL);
+ if (err < 0) {
+ SNDERR("Unable to set period time %i for %s: %s", period_time, s, snd_strerror(err));
+ return err;
+ }
+ err = INTERNAL(snd_pcm_hw_params_get_period_size)(params, &period_size, NULL);
+ if (err < 0) {
+ SNDERR("Unable to get period size for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ }
+ /* write the parameters to device */
+ err = snd_pcm_hw_params(pcm, params);
+ if (err < 0) {
+ SNDERR("Unable to set hw params for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+
+ /* get the current swparams */
+ err = snd_pcm_sw_params_current(pcm, swparams);
+ if (err < 0) {
+ SNDERR("Unable to determine current swparams for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ /* start the transfer when the buffer is almost full: */
+ /* (buffer_size / avail_min) * avail_min */
+ err = snd_pcm_sw_params_set_start_threshold(pcm, swparams, (buffer_size / period_size) * period_size);
+ if (err < 0) {
+ SNDERR("Unable to set start threshold mode for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ /* allow the transfer when at least period_size samples can be processed */
+ err = snd_pcm_sw_params_set_avail_min(pcm, swparams, period_size);
+ if (err < 0) {
+ SNDERR("Unable to set avail min for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ /* write the parameters to the playback device */
+ err = snd_pcm_sw_params(pcm, swparams);
+ if (err < 0) {
+ SNDERR("Unable to set sw params for %s: %s", s, snd_strerror(err));
+ return err;
+ }
+ return 0;
+}
+
+/**
+ * \brief Get the transfer size parameters in a simple way
+ * \param pcm PCM handle
+ * \param buffer_size PCM ring buffer size in frames
+ * \param period_size PCM period size in frames
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_get_params(snd_pcm_t *pcm,
+ snd_pcm_uframes_t *buffer_size,
+ snd_pcm_uframes_t *period_size)
+{
+ snd_pcm_hw_params_t *hw;
+ int err;
+
+ assert(pcm);
+ snd_pcm_hw_params_alloca(&hw);
+ err = snd_pcm_hw_params_current(pcm, hw);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_get_buffer_size)(hw, buffer_size);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_get_period_size)(hw, period_size, NULL);
+ if (err < 0)
+ return err;
+ return 0;
+}
diff --git a/src/pcm/pcm_adpcm.c b/src/pcm/pcm_adpcm.c
new file mode 100644
index 0000000..1a83c5a
--- /dev/null
+++ b/src/pcm/pcm_adpcm.c
@@ -0,0 +1,682 @@
+/**
+ * \file pcm/pcm_adpcm.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Ima-ADPCM Conversion Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Uros Bizjak <uros@kss-loka.si>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Ima-ADPCM conversion
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
+ * Jaroslav Kysela <perex@perex.cz>
+ *
+ * Based on Version 1.2, 18-Dec-92 implementation of Intel/DVI ADPCM code
+ * by Jack Jansen, CWI, Amsterdam <Jack.Jansen@cwi.nl>, Copyright 1992
+ * by Stichting Mathematisch Centrum, Amsterdam, The Netherlands.
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*
+These routines convert 16 bit linear PCM samples to 4 bit ADPCM code
+and vice versa. The ADPCM code used is the Intel/DVI ADPCM code which
+is being recommended by the IMA Digital Audio Technical Working Group.
+
+The algorithm for this coder was taken from:
+Proposal for Standardized Audio Interstreamge Formats,
+IMA compatibility project proceedings, Vol 2, Issue 2, May 1992.
+
+- No, this is *not* a G.721 coder/decoder. The algorithm used by G.721
+ is very complicated, requiring oodles of floating-point ops per
+ sample (resulting in very poor performance). I have not done any
+ tests myself but various people have assured my that 721 quality is
+ actually lower than DVI quality.
+
+- No, it probably isn't a RIFF ADPCM decoder either. Trying to decode
+ RIFF ADPCM with these routines seems to result in something
+ recognizable but very distorted.
+
+- No, it is not a CDROM-XA coder either, as far as I know. I haven't
+ come across a good description of XA yet.
+ */
+
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "plugin_ops.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_adpcm = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+typedef void (*adpcm_f)(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getputidx,
+ snd_pcm_adpcm_state_t *states);
+
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ unsigned int getput_idx;
+ adpcm_f func;
+ snd_pcm_format_t sformat;
+ snd_pcm_adpcm_state_t *states;
+} snd_pcm_adpcm_t;
+
+#endif
+
+/* First table lookup for Ima-ADPCM quantizer */
+static const char IndexAdjust[8] = { -1, -1, -1, -1, 2, 4, 6, 8 };
+
+/* Second table lookup for Ima-ADPCM quantizer */
+static const short StepSize[89] = {
+ 7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
+ 19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
+ 50, 55, 60, 66, 73, 80, 88, 97, 107, 118,
+ 130, 143, 157, 173, 190, 209, 230, 253, 279, 307,
+ 337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
+ 876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
+ 2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
+ 5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
+ 15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
+};
+
+static char adpcm_encoder(int sl, snd_pcm_adpcm_state_t * state)
+{
+ short diff; /* Difference between sl and predicted sample */
+ short pred_diff; /* Predicted difference to next sample */
+
+ unsigned char sign; /* sign of diff */
+ short step; /* holds previous StepSize value */
+ unsigned char adjust_idx; /* Index to IndexAdjust lookup table */
+
+ int i;
+
+ /* Compute difference to previous predicted value */
+ diff = sl - state->pred_val;
+ sign = (diff < 0) ? 0x8 : 0x0;
+ if (sign) {
+ diff = -diff;
+ }
+
+ /*
+ * This code *approximately* computes:
+ * adjust_idx = diff * 4 / step;
+ * pred_diff = (adjust_idx + 0.5) * step / 4;
+ *
+ * But in shift step bits are dropped. The net result of this is
+ * that even if you have fast mul/div hardware you cannot put it to
+ * good use since the fix-up would be too expensive.
+ */
+
+ step = StepSize[state->step_idx];
+
+ /* Divide and clamp */
+ pred_diff = step >> 3;
+ for (adjust_idx = 0, i = 0x4; i; i >>= 1, step >>= 1) {
+ if (diff >= step) {
+ adjust_idx |= i;
+ diff -= step;
+ pred_diff += step;
+ }
+ }
+
+ /* Update and clamp previous predicted value */
+ state->pred_val += sign ? -pred_diff : pred_diff;
+
+ if (state->pred_val > 32767) {
+ state->pred_val = 32767;
+ } else if (state->pred_val < -32768) {
+ state->pred_val = -32768;
+ }
+
+ /* Update and clamp StepSize lookup table index */
+ state->step_idx += IndexAdjust[adjust_idx];
+
+ if (state->step_idx < 0) {
+ state->step_idx = 0;
+ } else if (state->step_idx > 88) {
+ state->step_idx = 88;
+ }
+ return (sign | adjust_idx);
+}
+
+
+static int adpcm_decoder(unsigned char code, snd_pcm_adpcm_state_t * state)
+{
+ short pred_diff; /* Predicted difference to next sample */
+ short step; /* holds previous StepSize value */
+ char sign;
+
+ int i;
+
+ /* Separate sign and magnitude */
+ sign = code & 0x8;
+ code &= 0x7;
+
+ /*
+ * Computes pred_diff = (code + 0.5) * step / 4,
+ * but see comment in adpcm_coder.
+ */
+
+ step = StepSize[state->step_idx];
+
+ /* Compute difference and new predicted value */
+ pred_diff = step >> 3;
+ for (i = 0x4; i; i >>= 1, step >>= 1) {
+ if (code & i) {
+ pred_diff += step;
+ }
+ }
+ state->pred_val += (sign) ? -pred_diff : pred_diff;
+
+ /* Clamp output value */
+ if (state->pred_val > 32767) {
+ state->pred_val = 32767;
+ } else if (state->pred_val < -32768) {
+ state->pred_val = -32768;
+ }
+
+ /* Find new StepSize index value */
+ state->step_idx += IndexAdjust[code];
+
+ if (state->step_idx < 0) {
+ state->step_idx = 0;
+ } else if (state->step_idx > 88) {
+ state->step_idx = 88;
+ }
+ return (state->pred_val);
+}
+
+#ifndef DOC_HIDDEN
+
+void snd_pcm_adpcm_decode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int putidx,
+ snd_pcm_adpcm_state_t *states)
+{
+#define PUT16_LABELS
+#include "plugin_ops.h"
+#undef PUT16_LABELS
+ void *put = put16_labels[putidx];
+ unsigned int channel;
+ for (channel = 0; channel < channels; ++channel, ++states) {
+ const char *src;
+ int srcbit;
+ char *dst;
+ int src_step, srcbit_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ srcbit = src_area->first + src_area->step * src_offset;
+ src = (const char *) src_area->addr + srcbit / 8;
+ srcbit %= 8;
+ src_step = src_area->step / 8;
+ srcbit_step = src_area->step % 8;
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ int16_t sample;
+ unsigned char v;
+ if (srcbit)
+ v = *src & 0x0f;
+ else
+ v = (*src >> 4) & 0x0f;
+ sample = adpcm_decoder(v, states);
+ goto *put;
+#define PUT16_END after
+#include "plugin_ops.h"
+#undef PUT16_END
+ after:
+ src += src_step;
+ srcbit += srcbit_step;
+ if (srcbit == 8) {
+ src++;
+ srcbit = 0;
+ }
+ dst += dst_step;
+ }
+ }
+}
+
+void snd_pcm_adpcm_encode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getidx,
+ snd_pcm_adpcm_state_t *states)
+{
+#define GET16_LABELS
+#include "plugin_ops.h"
+#undef GET16_LABELS
+ void *get = get16_labels[getidx];
+ unsigned int channel;
+ int16_t sample = 0;
+ for (channel = 0; channel < channels; ++channel, ++states) {
+ const char *src;
+ char *dst;
+ int dstbit;
+ int src_step, dst_step, dstbit_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dstbit = dst_area->first + dst_area->step * dst_offset;
+ dst = (char *) dst_area->addr + dstbit / 8;
+ dstbit %= 8;
+ dst_step = dst_area->step / 8;
+ dstbit_step = dst_area->step % 8;
+ frames1 = frames;
+ while (frames1-- > 0) {
+ int v;
+ goto *get;
+#define GET16_END after
+#include "plugin_ops.h"
+#undef GET16_END
+ after:
+ v = adpcm_encoder(sample, states);
+ if (dstbit)
+ *dst = (*dst & 0xf0) | v;
+ else
+ *dst = (*dst & 0x0f) | (v << 4);
+ src += src_step;
+ dst += dst_step;
+ dstbit += dstbit_step;
+ if (dstbit == 8) {
+ dst++;
+ dstbit = 0;
+ }
+ }
+ }
+}
+
+#endif
+
+static int snd_pcm_adpcm_hw_refine_cprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ if (adpcm->sformat == SND_PCM_FORMAT_IMA_ADPCM) {
+ snd_pcm_format_mask_t format_mask = { SND_PCM_FMTBIT_LINEAR };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ } else {
+ err = _snd_pcm_hw_params_set_format(params,
+ SND_PCM_FORMAT_IMA_ADPCM);
+ }
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params,
+ SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_adpcm_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_params_set_format(sparams, adpcm->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ return 0;
+}
+
+static int snd_pcm_adpcm_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_adpcm_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_adpcm_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_adpcm_hw_refine_cprepare,
+ snd_pcm_adpcm_hw_refine_cchange,
+ snd_pcm_adpcm_hw_refine_sprepare,
+ snd_pcm_adpcm_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_adpcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ snd_pcm_format_t format;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_adpcm_hw_refine_cchange,
+ snd_pcm_adpcm_hw_refine_sprepare,
+ snd_pcm_adpcm_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &format);
+ if (err < 0)
+ return err;
+
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ if (adpcm->sformat == SND_PCM_FORMAT_IMA_ADPCM) {
+ adpcm->getput_idx = snd_pcm_linear_get_index(format, SND_PCM_FORMAT_S16);
+ adpcm->func = snd_pcm_adpcm_encode;
+ } else {
+ adpcm->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, adpcm->sformat);
+ adpcm->func = snd_pcm_adpcm_decode;
+ }
+ } else {
+ if (adpcm->sformat == SND_PCM_FORMAT_IMA_ADPCM) {
+ adpcm->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, format);
+ adpcm->func = snd_pcm_adpcm_decode;
+ } else {
+ adpcm->getput_idx = snd_pcm_linear_get_index(adpcm->sformat, SND_PCM_FORMAT_S16);
+ adpcm->func = snd_pcm_adpcm_encode;
+ }
+ }
+ assert(!adpcm->states);
+ adpcm->states = malloc(adpcm->plug.gen.slave->channels * sizeof(*adpcm->states));
+ if (adpcm->states == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+static int snd_pcm_adpcm_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ free(adpcm->states);
+ adpcm->states = NULL;
+ return snd_pcm_hw_free(adpcm->plug.gen.slave);
+}
+
+static int snd_pcm_adpcm_init(snd_pcm_t *pcm)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ unsigned int k;
+ for (k = 0; k < pcm->channels; ++k) {
+ adpcm->states[k].pred_val = 0;
+ adpcm->states[k].step_idx = 0;
+ }
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_adpcm_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ adpcm->func(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size,
+ adpcm->getput_idx, adpcm->states);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_adpcm_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ adpcm->func(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size,
+ adpcm->getput_idx, adpcm->states);
+ *slave_sizep = size;
+ return size;
+}
+
+static void snd_pcm_adpcm_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_adpcm_t *adpcm = pcm->private_data;
+ snd_output_printf(out, "Ima-ADPCM conversion PCM (%s)\n",
+ snd_pcm_format_name(adpcm->sformat));
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(adpcm->plug.gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_adpcm_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_adpcm_hw_refine,
+ .hw_params = snd_pcm_adpcm_hw_params,
+ .hw_free = snd_pcm_adpcm_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_adpcm_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new Ima-ADPCM conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave (destination) format
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_adpcm_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_adpcm_t *adpcm;
+ int err;
+ assert(pcmp && slave);
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_IMA_ADPCM)
+ return -EINVAL;
+ adpcm = calloc(1, sizeof(snd_pcm_adpcm_t));
+ if (!adpcm) {
+ return -ENOMEM;
+ }
+ adpcm->sformat = sformat;
+ snd_pcm_plugin_init(&adpcm->plug);
+ adpcm->plug.read = snd_pcm_adpcm_read_areas;
+ adpcm->plug.write = snd_pcm_adpcm_write_areas;
+ adpcm->plug.init = snd_pcm_adpcm_init;
+ adpcm->plug.gen.slave = slave;
+ adpcm->plug.gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_ADPCM, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(adpcm);
+ return err;
+ }
+ pcm->ops = &snd_pcm_adpcm_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = adpcm;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &adpcm->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &adpcm->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_adpcm Plugin: Ima-ADPCM
+
+This plugin converts Ima-ADPCM samples to linear or linear to Ima-ADPCM samples
+from master Ima-ADPCM conversion PCM to given slave PCM. The channel count,
+format and rate must match for both of them.
+
+\code
+pcm.name {
+ type adpcm # Ima-ADPCM conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ format STR # Slave format
+ }
+}
+\endcode
+
+\subsection pcm_plugins_adpcm_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_adpcm_open()
+ <LI>_snd_pcm_adpcm_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Ima-ADPCM conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_adpcm_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_pcm_format_t sformat;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 1,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_MANDATORY, &sformat);
+ if (err < 0)
+ return err;
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_IMA_ADPCM) {
+ snd_config_delete(sconf);
+ SNDERR("invalid slave format");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_adpcm_open(pcmp, name, sformat, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_adpcm_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_alaw.c b/src/pcm/pcm_alaw.c
new file mode 100644
index 0000000..db759e3
--- /dev/null
+++ b/src/pcm/pcm_alaw.c
@@ -0,0 +1,556 @@
+/**
+ * \file pcm/pcm_alaw.c
+ * \ingroup PCM_Plugins
+ * \brief PCM A-Law Conversion Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - A-Law conversion
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "plugin_ops.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_alaw = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+typedef void (*alaw_f)(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getputidx);
+
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ unsigned int getput_idx;
+ alaw_f func;
+ snd_pcm_format_t sformat;
+} snd_pcm_alaw_t;
+
+#endif
+
+static inline int val_seg(int val)
+{
+ int r = 1;
+ val >>= 8;
+ if (val & 0xf0) {
+ val >>= 4;
+ r += 4;
+ }
+ if (val & 0x0c) {
+ val >>= 2;
+ r += 2;
+ }
+ if (val & 0x02)
+ r += 1;
+ return r;
+}
+
+/*
+ * s16_to_alaw() - Convert a 16-bit linear PCM value to 8-bit A-law
+ *
+ * s16_to_alaw() accepts an 16-bit integer and encodes it as A-law data.
+ *
+ * Linear Input Code Compressed Code
+ * ------------------------ ---------------
+ * 0000000wxyza 000wxyz
+ * 0000001wxyza 001wxyz
+ * 000001wxyzab 010wxyz
+ * 00001wxyzabc 011wxyz
+ * 0001wxyzabcd 100wxyz
+ * 001wxyzabcde 101wxyz
+ * 01wxyzabcdef 110wxyz
+ * 1wxyzabcdefg 111wxyz
+ *
+ * For further information see John C. Bellamy's Digital Telephony, 1982,
+ * John Wiley & Sons, pps 98-111 and 472-476.
+ */
+
+static unsigned char s16_to_alaw(int pcm_val)
+{
+ int mask;
+ int seg;
+ unsigned char aval;
+
+ if (pcm_val >= 0) {
+ mask = 0xD5;
+ } else {
+ mask = 0x55;
+ pcm_val = -pcm_val;
+ if (pcm_val > 0x7fff)
+ pcm_val = 0x7fff;
+ }
+
+ if (pcm_val < 256)
+ aval = pcm_val >> 4;
+ else {
+ /* Convert the scaled magnitude to segment number. */
+ seg = val_seg(pcm_val);
+ aval = (seg << 4) | ((pcm_val >> (seg + 3)) & 0x0f);
+ }
+ return aval ^ mask;
+}
+
+/*
+ * alaw_to_s16() - Convert an A-law value to 16-bit linear PCM
+ *
+ */
+static int alaw_to_s16(unsigned char a_val)
+{
+ int t;
+ int seg;
+
+ a_val ^= 0x55;
+ t = a_val & 0x7f;
+ if (t < 16)
+ t = (t << 4) + 8;
+ else {
+ seg = (t >> 4) & 0x07;
+ t = ((t & 0x0f) << 4) + 0x108;
+ t <<= seg -1;
+ }
+ return ((a_val & 0x80) ? t : -t);
+}
+
+#ifndef DOC_HIDDEN
+
+void snd_pcm_alaw_decode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int putidx)
+{
+#define PUT16_LABELS
+#include "plugin_ops.h"
+#undef PUT16_LABELS
+ void *put = put16_labels[putidx];
+ unsigned int channel;
+ for (channel = 0; channel < channels; ++channel) {
+ const unsigned char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ int16_t sample = alaw_to_s16(*src);
+ goto *put;
+#define PUT16_END after
+#include "plugin_ops.h"
+#undef PUT16_END
+ after:
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+void snd_pcm_alaw_encode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getidx)
+{
+#define GET16_LABELS
+#include "plugin_ops.h"
+#undef GET16_LABELS
+ void *get = get16_labels[getidx];
+ unsigned int channel;
+ int16_t sample = 0;
+ for (channel = 0; channel < channels; ++channel) {
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ goto *get;
+#define GET16_END after
+#include "plugin_ops.h"
+#undef GET16_END
+ after:
+ *dst = s16_to_alaw(sample);
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+#endif /* DOC_HIDDEN */
+
+static int snd_pcm_alaw_hw_refine_cprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_alaw_t *alaw = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ if (alaw->sformat == SND_PCM_FORMAT_A_LAW) {
+ snd_pcm_format_mask_t format_mask = { SND_PCM_FMTBIT_LINEAR };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ } else {
+ err = _snd_pcm_hw_params_set_format(params,
+ SND_PCM_FORMAT_A_LAW);
+ }
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_alaw_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_alaw_t *alaw = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_params_set_format(sparams, alaw->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ return 0;
+}
+
+static int snd_pcm_alaw_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_alaw_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_alaw_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_alaw_hw_refine_cprepare,
+ snd_pcm_alaw_hw_refine_cchange,
+ snd_pcm_alaw_hw_refine_sprepare,
+ snd_pcm_alaw_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_alaw_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_alaw_t *alaw = pcm->private_data;
+ snd_pcm_format_t format;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_alaw_hw_refine_cchange,
+ snd_pcm_alaw_hw_refine_sprepare,
+ snd_pcm_alaw_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &format);
+ if (err < 0)
+ return err;
+
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ if (alaw->sformat == SND_PCM_FORMAT_A_LAW) {
+ alaw->getput_idx = snd_pcm_linear_get_index(format, SND_PCM_FORMAT_S16);
+ alaw->func = snd_pcm_alaw_encode;
+ } else {
+ alaw->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, alaw->sformat);
+ alaw->func = snd_pcm_alaw_decode;
+ }
+ } else {
+ if (alaw->sformat == SND_PCM_FORMAT_A_LAW) {
+ alaw->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, format);
+ alaw->func = snd_pcm_alaw_decode;
+ } else {
+ alaw->getput_idx = snd_pcm_linear_get_index(alaw->sformat, SND_PCM_FORMAT_S16);
+ alaw->func = snd_pcm_alaw_encode;
+ }
+ }
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_alaw_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_alaw_t *alaw = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ alaw->func(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size,
+ alaw->getput_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_alaw_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_alaw_t *alaw = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ alaw->func(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size,
+ alaw->getput_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static void snd_pcm_alaw_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_alaw_t *alaw = pcm->private_data;
+ snd_output_printf(out, "A-Law conversion PCM (%s)\n",
+ snd_pcm_format_name(alaw->sformat));
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(alaw->plug.gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_alaw_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_alaw_hw_refine,
+ .hw_params = snd_pcm_alaw_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_alaw_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new A-Law conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave (destination) format
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_alaw_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_alaw_t *alaw;
+ int err;
+ assert(pcmp && slave);
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_A_LAW)
+ return -EINVAL;
+ alaw = calloc(1, sizeof(snd_pcm_alaw_t));
+ if (!alaw) {
+ return -ENOMEM;
+ }
+ snd_pcm_plugin_init(&alaw->plug);
+ alaw->sformat = sformat;
+ alaw->plug.read = snd_pcm_alaw_read_areas;
+ alaw->plug.write = snd_pcm_alaw_write_areas;
+ alaw->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ alaw->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ alaw->plug.gen.slave = slave;
+ alaw->plug.gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_ALAW, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(alaw);
+ return err;
+ }
+ pcm->ops = &snd_pcm_alaw_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = alaw;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &alaw->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &alaw->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_alaw Plugin: A-Law
+
+This plugin converts A-Law samples to linear or linear to A-Law samples
+from master A-Law conversion PCM to given slave PCM. The channel count,
+format and rate must match for both of them.
+
+\code
+pcm.name {
+ type alaw # A-Law conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ format STR # Slave format
+ }
+}
+\endcode
+
+\subsection pcm_plugins_alaw_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_alaw_open()
+ <LI>_snd_pcm_alaw_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new A-Law conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_alaw_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_pcm_format_t sformat;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 1,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_MANDATORY, &sformat);
+ if (err < 0)
+ return err;
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_A_LAW) {
+ snd_config_delete(sconf);
+ SNDERR("invalid slave format");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_alaw_open(pcmp, name, sformat, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_alaw_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_asym.c b/src/pcm/pcm_asym.c
new file mode 100644
index 0000000..9c32b1b
--- /dev/null
+++ b/src/pcm/pcm_asym.c
@@ -0,0 +1,119 @@
+/**
+ * \file pcm/pcm_asym.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Asymmetrical Plugin Interface
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2003
+ */
+
+#include "pcm_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_asym = "";
+#endif
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_asym Plugin: asym
+
+This plugin is a combination of playback and capture PCM streams.
+Slave PCMs can be defined asymmetrically for both directions.
+
+\code
+pcm.name {
+ type asym # Asym PCM
+ playback STR # Playback slave name
+ # or
+ playback { # Playback slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ capture STR # Capture slave name
+ # or
+ capture { # Capture slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+}
+\endcode
+
+For example, you can combine a dmix plugin and a dsnoop plugin as
+as a single PCM for playback and capture directions, respectively.
+\code
+pcm.duplex {
+ type asym
+ playback.pcm "dmix"
+ capture.pcm "dsnoop"
+}
+\endcode
+
+By defining only a single direction, the resultant PCM becomes
+half-duplex.
+
+\subsection pcm_plugins_asym_funcref Function reference
+
+<UL>
+ <LI>_snd_pcm_asym_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new asym stream PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_asym_open(snd_pcm_t **pcmp, const char *name ATTRIBUTE_UNUSED,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_config_t *slave = NULL, *sconf;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "playback") == 0) {
+ if (stream == SND_PCM_STREAM_PLAYBACK)
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "capture") == 0) {
+ if (stream == SND_PCM_STREAM_CAPTURE)
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (! slave) {
+ SNDERR("%s slave is not defined",
+ stream == SND_PCM_STREAM_PLAYBACK ? "playback" : "capture");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_named_slave(pcmp, name, root, sconf, stream,
+ mode, conf);
+ snd_config_delete(sconf);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_asym_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_copy.c b/src/pcm/pcm_copy.c
new file mode 100644
index 0000000..66d3a47
--- /dev/null
+++ b/src/pcm/pcm_copy.c
@@ -0,0 +1,302 @@
+/**
+ * \file pcm/pcm_copy.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Copy Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Copy conversion
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_copy = "";
+#endif
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+} snd_pcm_copy_t;
+#endif
+
+static int snd_pcm_copy_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_copy_hw_refine_sprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ return 0;
+}
+
+static int snd_pcm_copy_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = ~SND_PCM_HW_PARBIT_ACCESS;
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_copy_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = ~SND_PCM_HW_PARBIT_ACCESS;
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_copy_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_copy_hw_refine_cprepare,
+ snd_pcm_copy_hw_refine_cchange,
+ snd_pcm_copy_hw_refine_sprepare,
+ snd_pcm_copy_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_copy_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_copy_hw_refine_cchange,
+ snd_pcm_copy_hw_refine_sprepare,
+ snd_pcm_copy_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+}
+
+static snd_pcm_uframes_t
+snd_pcm_copy_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ snd_pcm_areas_copy(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size, pcm->format);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_copy_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ snd_pcm_areas_copy(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size, pcm->format);
+ *slave_sizep = size;
+ return size;
+}
+
+static void snd_pcm_copy_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_copy_t *copy = pcm->private_data;
+ snd_output_printf(out, "Copy conversion PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(copy->plug.gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_copy_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_copy_hw_refine,
+ .hw_params = snd_pcm_copy_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_copy_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new copy PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_copy_open(snd_pcm_t **pcmp, const char *name, snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_copy_t *copy;
+ int err;
+ assert(pcmp && slave);
+ copy = calloc(1, sizeof(snd_pcm_copy_t));
+ if (!copy) {
+ return -ENOMEM;
+ }
+ snd_pcm_plugin_init(©->plug);
+ copy->plug.read = snd_pcm_copy_read_areas;
+ copy->plug.write = snd_pcm_copy_write_areas;
+ copy->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ copy->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ copy->plug.gen.slave = slave;
+ copy->plug.gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_COPY, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(copy);
+ return err;
+ }
+ pcm->ops = &snd_pcm_copy_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = copy;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, ©->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, ©->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_copy Plugin: copy
+
+This plugin copies samples from master copy PCM to given slave PCM.
+The channel count, format and rate must match for both of them.
+
+\code
+pcm.name {
+ type copy # Copy PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+}
+\endcode
+
+\subsection pcm_plugins_copy_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_copy_open()
+ <LI>_snd_pcm_copy_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new copy PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_copy_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_copy_open(pcmp, name, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_copy_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_direct.c b/src/pcm/pcm_direct.c
new file mode 100644
index 0000000..195fddf
--- /dev/null
+++ b/src/pcm/pcm_direct.c
@@ -0,0 +1,1719 @@
+/*
+ * PCM - Direct Stream Mixing
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <grp.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/poll.h>
+#include <sys/shm.h>
+#include <sys/sem.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/un.h>
+#include <sys/mman.h>
+#include "pcm_direct.h"
+
+/*
+ *
+ */
+
+union semun {
+ int val; /* Value for SETVAL */
+ struct semid_ds *buf; /* Buffer for IPC_STAT, IPC_SET */
+ unsigned short *array; /* Array for GETALL, SETALL */
+ struct seminfo *__buf; /* Buffer for IPC_INFO (Linux specific) */
+};
+
+/*
+ * FIXME:
+ * add possibility to use futexes here
+ */
+
+int snd_pcm_direct_semaphore_create_or_connect(snd_pcm_direct_t *dmix)
+{
+ union semun s;
+ struct semid_ds buf;
+ int i;
+
+ dmix->semid = semget(dmix->ipc_key, DIRECT_IPC_SEMS,
+ IPC_CREAT | dmix->ipc_perm);
+ if (dmix->semid < 0)
+ return -errno;
+ if (dmix->ipc_gid < 0)
+ return 0;
+ for (i = 0; i < DIRECT_IPC_SEMS; i++) {
+ s.buf = &buf;
+ if (semctl(dmix->semid, i, IPC_STAT, s) < 0) {
+ int err = -errno;
+ snd_pcm_direct_semaphore_discard(dmix);
+ return err;
+ }
+ buf.sem_perm.gid = dmix->ipc_gid;
+ s.buf = &buf;
+ semctl(dmix->semid, i, IPC_SET, s);
+ }
+ return 0;
+}
+
+#define SND_PCM_DIRECT_MAGIC (0xa15ad300 + sizeof(snd_pcm_direct_share_t))
+
+/*
+ * global shared memory area
+ */
+
+int snd_pcm_direct_shm_create_or_connect(snd_pcm_direct_t *dmix)
+{
+ struct shmid_ds buf;
+ int tmpid, err;
+
+retryget:
+ dmix->shmid = shmget(dmix->ipc_key, sizeof(snd_pcm_direct_share_t),
+ IPC_CREAT | dmix->ipc_perm);
+ err = -errno;
+ if (dmix->shmid < 0){
+ if (errno == EINVAL)
+ if ((tmpid = shmget(dmix->ipc_key, 0, dmix->ipc_perm)) != -1)
+ if (!shmctl(tmpid, IPC_STAT, &buf))
+ if (!buf.shm_nattch)
+ /* no users so destroy the segment */
+ if (!shmctl(tmpid, IPC_RMID, NULL))
+ goto retryget;
+ return err;
+ }
+ dmix->shmptr = shmat(dmix->shmid, 0, 0);
+ if (dmix->shmptr == (void *) -1) {
+ err = -errno;
+ snd_pcm_direct_shm_discard(dmix);
+ return err;
+ }
+ mlock(dmix->shmptr, sizeof(snd_pcm_direct_share_t));
+ if (shmctl(dmix->shmid, IPC_STAT, &buf) < 0) {
+ err = -errno;
+ snd_pcm_direct_shm_discard(dmix);
+ return err;
+ }
+ if (buf.shm_nattch == 1) { /* we're the first user, clear the segment */
+ memset(dmix->shmptr, 0, sizeof(snd_pcm_direct_share_t));
+ if (dmix->ipc_gid >= 0) {
+ buf.shm_perm.gid = dmix->ipc_gid;
+ shmctl(dmix->shmid, IPC_SET, &buf);
+ }
+ dmix->shmptr->magic = SND_PCM_DIRECT_MAGIC;
+ return 1;
+ } else {
+ if (dmix->shmptr->magic != SND_PCM_DIRECT_MAGIC) {
+ snd_pcm_direct_shm_discard(dmix);
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+
+/* discard shared memory */
+/*
+ * Define snd_* functions to be used in server.
+ * Since objects referred in a plugin can be released dynamically, a forked
+ * server should have statically linked functions.
+ * (e.g. Novell bugzilla #105772)
+ */
+static int _snd_pcm_direct_shm_discard(snd_pcm_direct_t *dmix)
+{
+ struct shmid_ds buf;
+ int ret = 0;
+
+ if (dmix->shmid < 0)
+ return -EINVAL;
+ if (dmix->shmptr != (void *) -1 && shmdt(dmix->shmptr) < 0)
+ return -errno;
+ dmix->shmptr = (void *) -1;
+ if (shmctl(dmix->shmid, IPC_STAT, &buf) < 0)
+ return -errno;
+ if (buf.shm_nattch == 0) { /* we're the last user, destroy the segment */
+ if (shmctl(dmix->shmid, IPC_RMID, NULL) < 0)
+ return -errno;
+ ret = 1;
+ }
+ dmix->shmid = -1;
+ return ret;
+}
+
+/* ... and an exported version */
+int snd_pcm_direct_shm_discard(snd_pcm_direct_t *dmix)
+{
+ return _snd_pcm_direct_shm_discard(dmix);
+}
+
+/*
+ * server side
+ */
+
+static int get_tmp_name(char *filename, size_t size)
+{
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ snprintf(filename, size, TMPDIR "/alsa-dmix-%i-%li-%li", (int)getpid(), (long)tv.tv_sec, (long)tv.tv_usec);
+ filename[size-1] = '\0';
+ return 0;
+}
+
+static int make_local_socket(const char *filename, int server, mode_t ipc_perm, int ipc_gid)
+{
+ size_t l = strlen(filename);
+ size_t size = offsetof(struct sockaddr_un, sun_path) + l;
+ struct sockaddr_un *addr = alloca(size);
+ int sock;
+
+ sock = socket(PF_LOCAL, SOCK_STREAM, 0);
+ if (sock < 0) {
+ int result = -errno;
+ SYSERR("socket failed");
+ return result;
+ }
+
+ if (server)
+ unlink(filename);
+ memset(addr, 0, size); /* make valgrind happy */
+ addr->sun_family = AF_LOCAL;
+ memcpy(addr->sun_path, filename, l);
+
+ if (server) {
+ if (bind(sock, (struct sockaddr *) addr, size) < 0) {
+ int result = -errno;
+ SYSERR("bind failed: %s", filename);
+ close(sock);
+ return result;
+ } else {
+ if (chmod(filename, ipc_perm) < 0) {
+ int result = -errno;
+ SYSERR("chmod failed: %s", filename);
+ close(sock);
+ unlink(filename);
+ return result;
+ }
+ if (chown(filename, -1, ipc_gid) < 0) {
+#if 0 /* it's not fatal */
+ int result = -errno;
+ SYSERR("chown failed: %s", filename);
+ close(sock);
+ unlink(filename);
+ return result;
+#endif
+ }
+ }
+ } else {
+ if (connect(sock, (struct sockaddr *) addr, size) < 0) {
+ int result = -errno;
+ SYSERR("connect failed: %s", filename);
+ close(sock);
+ return result;
+ }
+ }
+ return sock;
+}
+
+#if 0
+#define SERVER_JOB_DEBUG
+#define server_printf(fmt, args...) printf(fmt, ##args)
+#else
+#undef SERVER_JOB_DEBUG
+#define server_printf(fmt, args...) /* nothing */
+#endif
+
+static snd_pcm_direct_t *server_job_dmix;
+
+static void server_cleanup(snd_pcm_direct_t *dmix)
+{
+ close(dmix->server_fd);
+ close(dmix->hw_fd);
+ if (dmix->server_free)
+ dmix->server_free(dmix);
+ unlink(dmix->shmptr->socket_name);
+ _snd_pcm_direct_shm_discard(dmix);
+ snd_pcm_direct_semaphore_discard(dmix);
+}
+
+static void server_job_signal(int sig ATTRIBUTE_UNUSED)
+{
+ snd_pcm_direct_semaphore_down(server_job_dmix, DIRECT_IPC_SEM_CLIENT);
+ server_cleanup(server_job_dmix);
+ server_printf("DIRECT SERVER EXIT - SIGNAL\n");
+ _exit(EXIT_SUCCESS);
+}
+
+/* This is a copy from ../socket.c, provided here only for a server job
+ * (see the comment above)
+ */
+static int _snd_send_fd(int sock, void *data, size_t len, int fd)
+{
+ int ret;
+ size_t cmsg_len = CMSG_LEN(sizeof(int));
+ struct cmsghdr *cmsg = alloca(cmsg_len);
+ int *fds = (int *) CMSG_DATA(cmsg);
+ struct msghdr msghdr;
+ struct iovec vec;
+
+ vec.iov_base = (void *)&data;
+ vec.iov_len = len;
+
+ cmsg->cmsg_len = cmsg_len;
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ *fds = fd;
+
+ msghdr.msg_name = NULL;
+ msghdr.msg_namelen = 0;
+ msghdr.msg_iov = &vec;
+ msghdr.msg_iovlen = 1;
+ msghdr.msg_control = cmsg;
+ msghdr.msg_controllen = cmsg_len;
+ msghdr.msg_flags = 0;
+
+ ret = sendmsg(sock, &msghdr, 0 );
+ if (ret < 0)
+ return -errno;
+ return ret;
+}
+
+static void server_job(snd_pcm_direct_t *dmix)
+{
+ int ret, sck, i;
+ int max = 128, current = 0;
+ struct pollfd pfds[max + 1];
+
+ server_job_dmix = dmix;
+ /* don't allow to be killed */
+ signal(SIGHUP, server_job_signal);
+ signal(SIGQUIT, server_job_signal);
+ signal(SIGTERM, server_job_signal);
+ signal(SIGKILL, server_job_signal);
+ /* close all files to free resources */
+ i = sysconf(_SC_OPEN_MAX);
+#ifdef SERVER_JOB_DEBUG
+ while (--i >= 3) {
+#else
+ while (--i >= 0) {
+#endif
+ if (i != dmix->server_fd && i != dmix->hw_fd)
+ close(i);
+ }
+
+ /* detach from parent */
+ setsid();
+
+ pfds[0].fd = dmix->server_fd;
+ pfds[0].events = POLLIN | POLLERR | POLLHUP;
+
+ server_printf("DIRECT SERVER STARTED\n");
+ while (1) {
+ ret = poll(pfds, current + 1, 500);
+ server_printf("DIRECT SERVER: poll ret = %i, revents[0] = 0x%x, errno = %i\n", ret, pfds[0].revents, errno);
+ if (ret < 0) {
+ if (errno == EINTR)
+ continue;
+ /* some error */
+ break;
+ }
+ if (ret == 0 || (pfds[0].revents & (POLLERR | POLLHUP))) { /* timeout or error? */
+ struct shmid_ds buf;
+ snd_pcm_direct_semaphore_down(dmix, DIRECT_IPC_SEM_CLIENT);
+ if (shmctl(dmix->shmid, IPC_STAT, &buf) < 0) {
+ _snd_pcm_direct_shm_discard(dmix);
+ snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
+ continue;
+ }
+ server_printf("DIRECT SERVER: nattch = %i\n", (int)buf.shm_nattch);
+ if (buf.shm_nattch == 1) /* server is the last user, exit */
+ break;
+ snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
+ continue;
+ }
+ if (pfds[0].revents & POLLIN) {
+ ret--;
+ sck = accept(dmix->server_fd, 0, 0);
+ if (sck >= 0) {
+ server_printf("DIRECT SERVER: new connection %i\n", sck);
+ if (current == max) {
+ close(sck);
+ } else {
+ unsigned char buf = 'A';
+ pfds[current+1].fd = sck;
+ pfds[current+1].events = POLLIN | POLLERR | POLLHUP;
+ _snd_send_fd(sck, &buf, 1, dmix->hw_fd);
+ server_printf("DIRECT SERVER: fd sent ok\n");
+ current++;
+ }
+ }
+ }
+ for (i = 0; i < current && ret > 0; i++) {
+ struct pollfd *pfd = &pfds[i+1];
+ unsigned char cmd;
+ server_printf("client %i revents = 0x%x\n", pfd->fd, pfd->revents);
+ if (pfd->revents & (POLLERR | POLLHUP)) {
+ ret--;
+ close(pfd->fd);
+ pfd->fd = -1;
+ continue;
+ }
+ if (!(pfd->revents & POLLIN))
+ continue;
+ ret--;
+ if (read(pfd->fd, &cmd, 1) == 1)
+ cmd = 0 /*process command */;
+ }
+ for (i = 0; i < current; i++) {
+ if (pfds[i+1].fd < 0) {
+ if (i + 1 != max)
+ memcpy(&pfds[i+1], &pfds[i+2], sizeof(struct pollfd) * (max - i - 1));
+ current--;
+ }
+ }
+ }
+ server_cleanup(dmix);
+ server_printf("DIRECT SERVER EXIT\n");
+#ifdef SERVER_JOB_DEBUG
+ close(0); close(1); close(2);
+#endif
+ _exit(EXIT_SUCCESS);
+}
+
+int snd_pcm_direct_server_create(snd_pcm_direct_t *dmix)
+{
+ int ret;
+
+ dmix->server_fd = -1;
+
+ ret = get_tmp_name(dmix->shmptr->socket_name, sizeof(dmix->shmptr->socket_name));
+ if (ret < 0)
+ return ret;
+
+ ret = make_local_socket(dmix->shmptr->socket_name, 1, dmix->ipc_perm, dmix->ipc_gid);
+ if (ret < 0)
+ return ret;
+ dmix->server_fd = ret;
+
+ ret = listen(dmix->server_fd, 4);
+ if (ret < 0) {
+ close(dmix->server_fd);
+ return ret;
+ }
+
+ ret = fork();
+ if (ret < 0) {
+ close(dmix->server_fd);
+ return ret;
+ } else if (ret == 0) {
+ ret = fork();
+ if (ret == 0)
+ server_job(dmix);
+ _exit(EXIT_SUCCESS);
+ } else {
+ waitpid(ret, NULL, 0);
+ }
+ dmix->server_pid = ret;
+ dmix->server = 1;
+ return 0;
+}
+
+int snd_pcm_direct_server_discard(snd_pcm_direct_t *dmix)
+{
+ if (dmix->server) {
+ //kill(dmix->server_pid, SIGTERM);
+ //waitpid(dmix->server_pid, NULL, 0);
+ dmix->server_pid = (pid_t)-1;
+ }
+ if (dmix->server_fd > 0) {
+ close(dmix->server_fd);
+ dmix->server_fd = -1;
+ }
+ dmix->server = 0;
+ return 0;
+}
+
+/*
+ * client side
+ */
+
+int snd_pcm_direct_client_connect(snd_pcm_direct_t *dmix)
+{
+ int ret;
+ unsigned char buf;
+
+ ret = make_local_socket(dmix->shmptr->socket_name, 0, -1, -1);
+ if (ret < 0)
+ return ret;
+ dmix->comm_fd = ret;
+
+ ret = snd_receive_fd(dmix->comm_fd, &buf, 1, &dmix->hw_fd);
+ if (ret < 1 || buf != 'A') {
+ close(dmix->comm_fd);
+ dmix->comm_fd = -1;
+ return ret;
+ }
+
+ dmix->client = 1;
+ return 0;
+}
+
+int snd_pcm_direct_client_discard(snd_pcm_direct_t *dmix)
+{
+ if (dmix->client) {
+ close(dmix->comm_fd);
+ dmix->comm_fd = -1;
+ }
+ return 0;
+}
+
+/*
+ * plugin helpers
+ */
+
+int snd_pcm_direct_nonblock(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int nonblock ATTRIBUTE_UNUSED)
+{
+ /* value is cached for us in pcm->mode (SND_PCM_NONBLOCK flag) */
+ return 0;
+}
+
+int snd_pcm_direct_async(snd_pcm_t *pcm, int sig, pid_t pid)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ return snd_timer_async(dmix->timer, sig, pid);
+}
+
+/* empty the timer read queue */
+void snd_pcm_direct_clear_timer_queue(snd_pcm_direct_t *dmix)
+{
+ if (dmix->timer_need_poll) {
+ while (poll(&dmix->timer_fd, 1, 0) > 0) {
+ /* we don't need the value */
+ if (dmix->tread) {
+ snd_timer_tread_t rbuf[4];
+ snd_timer_read(dmix->timer, rbuf, sizeof(rbuf));
+ } else {
+ snd_timer_read_t rbuf;
+ snd_timer_read(dmix->timer, &rbuf, sizeof(rbuf));
+ }
+ }
+ } else {
+ if (dmix->tread) {
+ snd_timer_tread_t rbuf[4];
+ int len;
+ while ((len = snd_timer_read(dmix->timer, rbuf,
+ sizeof(rbuf))) > 0 &&
+ len != sizeof(rbuf[0]))
+ ;
+ } else {
+ snd_timer_read_t rbuf;
+ while (snd_timer_read(dmix->timer, &rbuf, sizeof(rbuf)) > 0)
+ ;
+ }
+ }
+}
+
+int snd_pcm_direct_timer_stop(snd_pcm_direct_t *dmix)
+{
+ snd_timer_stop(dmix->timer);
+ return 0;
+}
+
+int snd_pcm_direct_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ unsigned short events;
+ int empty = 0;
+
+ assert(pfds && nfds == 1 && revents);
+ events = pfds[0].revents;
+ if (events & POLLIN) {
+ snd_pcm_uframes_t avail;
+ snd_pcm_avail_update(pcm);
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ events |= POLLOUT;
+ events &= ~POLLIN;
+ avail = snd_pcm_mmap_playback_avail(pcm);
+ } else {
+ avail = snd_pcm_mmap_capture_avail(pcm);
+ }
+ empty = avail < pcm->avail_min;
+ }
+ switch (snd_pcm_state(dmix->spcm)) {
+ case SND_PCM_STATE_XRUN:
+ case SND_PCM_STATE_SUSPENDED:
+ case SND_PCM_STATE_SETUP:
+ events |= POLLERR;
+ break;
+ default:
+ if (empty) {
+ snd_pcm_direct_clear_timer_queue(dmix);
+ events &= ~(POLLOUT|POLLIN);
+ /* additional check */
+ switch (snd_pcm_state(pcm)) {
+ case SND_PCM_STATE_XRUN:
+ case SND_PCM_STATE_SUSPENDED:
+ case SND_PCM_STATE_SETUP:
+ events |= POLLERR;
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ }
+ *revents = events;
+ return 0;
+}
+
+int snd_pcm_direct_info(snd_pcm_t *pcm, snd_pcm_info_t * info)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ if (dmix->spcm && !dmix->shmptr->use_server)
+ return snd_pcm_info(dmix->spcm, info);
+
+ memset(info, 0, sizeof(*info));
+ info->stream = pcm->stream;
+ info->card = -1;
+ /* FIXME: fill this with something more useful: we know the hardware name */
+ if (pcm->name) {
+ strncpy((char *)info->id, pcm->name, sizeof(info->id));
+ strncpy((char *)info->name, pcm->name, sizeof(info->name));
+ strncpy((char *)info->subname, pcm->name, sizeof(info->subname));
+ }
+ info->subdevices_count = 1;
+ return 0;
+}
+
+static inline snd_mask_t *hw_param_mask(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ return ¶ms->masks[var - SND_PCM_HW_PARAM_FIRST_MASK];
+}
+
+static inline snd_interval_t *hw_param_interval(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ return ¶ms->intervals[var - SND_PCM_HW_PARAM_FIRST_INTERVAL];
+}
+
+static int hw_param_interval_refine_one(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ snd_interval_t *src)
+{
+ snd_interval_t *i;
+
+ if (!(params->rmask & (1<<var))) /* nothing to do? */
+ return 0;
+ i = hw_param_interval(params, var);
+ if (snd_interval_empty(i)) {
+ SNDERR("dshare interval %i empty?", (int)var);
+ return -EINVAL;
+ }
+ if (snd_interval_refine(i, src))
+ params->cmask |= 1<<var;
+ return 0;
+}
+
+static int hw_param_interval_refine_minmax(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int imin,
+ unsigned int imax)
+{
+ snd_interval_t t;
+
+ memset(&t, 0, sizeof(t));
+ snd_interval_set_minmax(&t, imin, imax);
+ t.integer = 1;
+ return hw_param_interval_refine_one(params, var, &t);
+}
+
+#undef REFINE_DEBUG
+
+int snd_pcm_direct_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ static const snd_mask_t access = { .bits = {
+ (1<<SNDRV_PCM_ACCESS_MMAP_INTERLEAVED) |
+ (1<<SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED) |
+ (1<<SNDRV_PCM_ACCESS_RW_INTERLEAVED) |
+ (1<<SNDRV_PCM_ACCESS_RW_NONINTERLEAVED),
+ 0, 0, 0 } };
+ int err;
+
+#ifdef REFINE_DEBUG
+ snd_output_t *log;
+ snd_output_stdio_attach(&log, stderr, 0);
+ snd_output_puts(log, "DMIX REFINE (begin):\n");
+ snd_pcm_hw_params_dump(params, log);
+#endif
+ if (params->rmask & (1<<SND_PCM_HW_PARAM_ACCESS)) {
+ if (snd_mask_empty(hw_param_mask(params, SND_PCM_HW_PARAM_ACCESS))) {
+ SNDERR("dshare access mask empty?");
+ return -EINVAL;
+ }
+ if (snd_mask_refine(hw_param_mask(params, SND_PCM_HW_PARAM_ACCESS), &access))
+ params->cmask |= 1<<SND_PCM_HW_PARAM_ACCESS;
+ }
+ if (params->rmask & (1<<SND_PCM_HW_PARAM_FORMAT)) {
+ if (snd_mask_empty(hw_param_mask(params, SND_PCM_HW_PARAM_FORMAT))) {
+ SNDERR("dshare format mask empty?");
+ return -EINVAL;
+ }
+ if (snd_mask_refine_set(hw_param_mask(params, SND_PCM_HW_PARAM_FORMAT),
+ dshare->shmptr->hw.format))
+ params->cmask |= 1<<SND_PCM_HW_PARAM_FORMAT;
+ }
+ //snd_mask_none(hw_param_mask(params, SND_PCM_HW_PARAM_SUBFORMAT));
+ if (params->rmask & (1<<SND_PCM_HW_PARAM_CHANNELS)) {
+ if (snd_interval_empty(hw_param_interval(params, SND_PCM_HW_PARAM_CHANNELS))) {
+ SNDERR("dshare channels mask empty?");
+ return -EINVAL;
+ }
+ err = snd_interval_refine_set(hw_param_interval(params, SND_PCM_HW_PARAM_CHANNELS), dshare->channels);
+ if (err < 0)
+ return err;
+ }
+ err = hw_param_interval_refine_one(params, SND_PCM_HW_PARAM_RATE,
+ &dshare->shmptr->hw.rate);
+ if (err < 0)
+ return err;
+ err = hw_param_interval_refine_one(params, SND_PCM_HW_PARAM_PERIOD_SIZE,
+ &dshare->shmptr->hw.period_size);
+ if (err < 0)
+ return err;
+ err = hw_param_interval_refine_one(params, SND_PCM_HW_PARAM_PERIOD_TIME,
+ &dshare->shmptr->hw.period_time);
+ if (err < 0)
+ return err;
+ if (dshare->max_periods < 0) {
+ err = hw_param_interval_refine_one(params, SND_PCM_HW_PARAM_BUFFER_SIZE,
+ &dshare->shmptr->hw.buffer_size);
+ if (err < 0)
+ return err;
+ err = hw_param_interval_refine_one(params, SND_PCM_HW_PARAM_BUFFER_TIME,
+ &dshare->shmptr->hw.buffer_time);
+ if (err < 0)
+ return err;
+ } else if (params->rmask & ((1<<SND_PCM_HW_PARAM_PERIODS)|
+ (1<<SND_PCM_HW_PARAM_BUFFER_BYTES)|
+ (1<<SND_PCM_HW_PARAM_BUFFER_SIZE)|
+ (1<<SND_PCM_HW_PARAM_BUFFER_TIME))) {
+ int changed;
+ unsigned int max_periods = dshare->max_periods;
+ if (max_periods < 2)
+ max_periods = dshare->slave_buffer_size / dshare->slave_period_size;
+ do {
+ changed = 0;
+ err = hw_param_interval_refine_minmax(params, SND_PCM_HW_PARAM_PERIODS,
+ 2, max_periods);
+ if (err < 0)
+ return err;
+ changed |= err;
+ err = snd_pcm_hw_refine_soft(pcm, params);
+ if (err < 0)
+ return err;
+ changed |= err;
+ } while (changed);
+ }
+ params->info = dshare->shmptr->s.info;
+#ifdef REFINE_DEBUG
+ snd_output_puts(log, "DMIX REFINE (end):\n");
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_close(log);
+#endif
+ return 0;
+}
+
+int snd_pcm_direct_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ params->info = dmix->shmptr->s.info;
+ params->rate_num = dmix->shmptr->s.rate;
+ params->rate_den = 1;
+ params->fifo_size = 0;
+ params->msbits = dmix->shmptr->s.msbits;
+ return 0;
+}
+
+int snd_pcm_direct_hw_free(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ /* values are cached in the pcm structure */
+ return 0;
+}
+
+int snd_pcm_direct_sw_params(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t * params ATTRIBUTE_UNUSED)
+{
+ /* values are cached in the pcm structure */
+ return 0;
+}
+
+int snd_pcm_direct_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info)
+{
+ return snd_pcm_channel_info_shm(pcm, info, -1);
+}
+
+int snd_pcm_direct_mmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+int snd_pcm_direct_munmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+snd_pcm_chmap_query_t **snd_pcm_direct_query_chmaps(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ return snd_pcm_query_chmaps(dmix->spcm);
+}
+
+snd_pcm_chmap_t *snd_pcm_direct_get_chmap(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ return snd_pcm_get_chmap(dmix->spcm);
+}
+
+int snd_pcm_direct_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ return snd_pcm_set_chmap(dmix->spcm, map);
+}
+
+int snd_pcm_direct_resume(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ int err;
+
+ snd_pcm_direct_semaphore_down(dmix, DIRECT_IPC_SEM_CLIENT);
+ err = snd_pcm_resume(dmix->spcm);
+ if (err == -ENOSYS) {
+ /* FIXME: error handling? */
+ snd_pcm_prepare(dmix->spcm);
+ snd_pcm_start(dmix->spcm);
+ err = 0;
+ }
+ snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
+ return err;
+}
+
+#define COPY_SLAVE(field) (dmix->shmptr->s.field = spcm->field)
+
+/* copy the slave setting */
+static void save_slave_setting(snd_pcm_direct_t *dmix, snd_pcm_t *spcm)
+{
+ spcm->info &= ~SND_PCM_INFO_PAUSE;
+
+ COPY_SLAVE(access);
+ COPY_SLAVE(format);
+ COPY_SLAVE(subformat);
+ COPY_SLAVE(channels);
+ COPY_SLAVE(rate);
+ COPY_SLAVE(period_size);
+ COPY_SLAVE(period_time);
+ COPY_SLAVE(periods);
+ COPY_SLAVE(tstamp_mode);
+ COPY_SLAVE(tstamp_type);
+ COPY_SLAVE(period_step);
+ COPY_SLAVE(avail_min);
+ COPY_SLAVE(start_threshold);
+ COPY_SLAVE(stop_threshold);
+ COPY_SLAVE(silence_threshold);
+ COPY_SLAVE(silence_size);
+ COPY_SLAVE(boundary);
+ COPY_SLAVE(info);
+ COPY_SLAVE(msbits);
+ COPY_SLAVE(rate_num);
+ COPY_SLAVE(rate_den);
+ COPY_SLAVE(hw_flags);
+ COPY_SLAVE(fifo_size);
+ COPY_SLAVE(buffer_size);
+ COPY_SLAVE(buffer_time);
+ COPY_SLAVE(sample_bits);
+ COPY_SLAVE(frame_bits);
+}
+
+#undef COPY_SLAVE
+
+/*
+ * this function initializes hardware and starts playback operation with
+ * no stop threshold (it operates all time without xrun checking)
+ * also, the driver silences the unused ring buffer areas for us
+ */
+int snd_pcm_direct_initialize_slave(snd_pcm_direct_t *dmix, snd_pcm_t *spcm, struct slave_params *params)
+{
+ snd_pcm_hw_params_t *hw_params;
+ snd_pcm_sw_params_t *sw_params;
+ int ret, buffer_is_not_initialized;
+ snd_pcm_uframes_t boundary;
+ struct pollfd fd;
+ int loops = 10;
+
+ snd_pcm_hw_params_alloca(&hw_params);
+ snd_pcm_sw_params_alloca(&sw_params);
+
+ __again:
+ if (loops-- <= 0) {
+ SNDERR("unable to find a valid configuration for slave");
+ return -EINVAL;
+ }
+ ret = snd_pcm_hw_params_any(spcm, hw_params);
+ if (ret < 0) {
+ SNDERR("snd_pcm_hw_params_any failed");
+ return ret;
+ }
+ ret = snd_pcm_hw_params_set_access(spcm, hw_params, SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ if (ret < 0) {
+ ret = snd_pcm_hw_params_set_access(spcm, hw_params, SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ if (ret < 0) {
+ SNDERR("slave plugin does not support mmap interleaved or mmap noninterleaved access");
+ return ret;
+ }
+ }
+ if (params->format == SND_PCM_FORMAT_UNKNOWN)
+ ret = -EINVAL;
+ else
+ ret = snd_pcm_hw_params_set_format(spcm, hw_params,
+ params->format);
+ if (ret < 0) {
+ static const snd_pcm_format_t dmix_formats[] = {
+ SND_PCM_FORMAT_S32,
+ SND_PCM_FORMAT_S32 ^ SND_PCM_FORMAT_S32_LE ^ SND_PCM_FORMAT_S32_BE,
+ SND_PCM_FORMAT_S16,
+ SND_PCM_FORMAT_S16 ^ SND_PCM_FORMAT_S16_LE ^ SND_PCM_FORMAT_S16_BE,
+ SND_PCM_FORMAT_S24_LE,
+ SND_PCM_FORMAT_S24_3LE,
+ SND_PCM_FORMAT_U8,
+ };
+ snd_pcm_format_t format;
+ unsigned int i;
+
+ for (i = 0; i < sizeof dmix_formats / sizeof dmix_formats[0]; ++i) {
+ format = dmix_formats[i];
+ ret = snd_pcm_hw_params_set_format(spcm, hw_params, format);
+ if (ret >= 0)
+ break;
+ }
+ if (ret < 0 && dmix->type != SND_PCM_TYPE_DMIX) {
+ /* TODO: try to choose a good format */
+ ret = INTERNAL(snd_pcm_hw_params_set_format_first)(spcm, hw_params, &format);
+ }
+ if (ret < 0) {
+ SNDERR("requested or auto-format is not available");
+ return ret;
+ }
+ params->format = format;
+ }
+ ret = INTERNAL(snd_pcm_hw_params_set_channels_near)(spcm, hw_params, (unsigned int *)¶ms->channels);
+ if (ret < 0) {
+ SNDERR("requested count of channels is not available");
+ return ret;
+ }
+ ret = INTERNAL(snd_pcm_hw_params_set_rate_near)(spcm, hw_params, (unsigned int *)¶ms->rate, 0);
+ if (ret < 0) {
+ SNDERR("requested rate is not available");
+ return ret;
+ }
+
+ buffer_is_not_initialized = 0;
+ if (params->buffer_time > 0) {
+ ret = INTERNAL(snd_pcm_hw_params_set_buffer_time_near)(spcm, hw_params, (unsigned int *)¶ms->buffer_time, 0);
+ if (ret < 0) {
+ SNDERR("unable to set buffer time");
+ return ret;
+ }
+ } else if (params->buffer_size > 0) {
+ ret = INTERNAL(snd_pcm_hw_params_set_buffer_size_near)(spcm, hw_params, (snd_pcm_uframes_t *)¶ms->buffer_size);
+ if (ret < 0) {
+ SNDERR("unable to set buffer size");
+ return ret;
+ }
+ } else {
+ buffer_is_not_initialized = 1;
+ }
+
+ if (params->period_time > 0) {
+ ret = INTERNAL(snd_pcm_hw_params_set_period_time_near)(spcm, hw_params, (unsigned int *)¶ms->period_time, 0);
+ if (ret < 0) {
+ SNDERR("unable to set period_time");
+ return ret;
+ }
+ } else if (params->period_size > 0) {
+ ret = INTERNAL(snd_pcm_hw_params_set_period_size_near)(spcm, hw_params, (snd_pcm_uframes_t *)¶ms->period_size, 0);
+ if (ret < 0) {
+ SNDERR("unable to set period_size");
+ return ret;
+ }
+ }
+
+ if (buffer_is_not_initialized && params->periods > 0) {
+ unsigned int periods = params->periods;
+ ret = INTERNAL(snd_pcm_hw_params_set_periods_near)(spcm, hw_params, ¶ms->periods, 0);
+ if (ret < 0) {
+ SNDERR("unable to set requested periods");
+ return ret;
+ }
+ if (params->periods == 1) {
+ params->periods = periods;
+ if (params->period_time > 0) {
+ params->period_time /= 2;
+ goto __again;
+ } else if (params->period_size > 0) {
+ params->period_size /= 2;
+ goto __again;
+ }
+ SNDERR("unable to use stream with periods == 1");
+ return ret;
+ }
+ }
+
+ ret = snd_pcm_hw_params(spcm, hw_params);
+ if (ret < 0) {
+ SNDERR("unable to install hw params");
+ return ret;
+ }
+
+ /* store some hw_params values to shared info */
+ dmix->shmptr->hw.format = snd_mask_value(hw_param_mask(hw_params, SND_PCM_HW_PARAM_FORMAT));
+ dmix->shmptr->hw.rate = *hw_param_interval(hw_params, SND_PCM_HW_PARAM_RATE);
+ dmix->shmptr->hw.buffer_size = *hw_param_interval(hw_params, SND_PCM_HW_PARAM_BUFFER_SIZE);
+ dmix->shmptr->hw.buffer_time = *hw_param_interval(hw_params, SND_PCM_HW_PARAM_BUFFER_TIME);
+ dmix->shmptr->hw.period_size = *hw_param_interval(hw_params, SND_PCM_HW_PARAM_PERIOD_SIZE);
+ dmix->shmptr->hw.period_time = *hw_param_interval(hw_params, SND_PCM_HW_PARAM_PERIOD_TIME);
+ dmix->shmptr->hw.periods = *hw_param_interval(hw_params, SND_PCM_HW_PARAM_PERIODS);
+
+
+ ret = snd_pcm_sw_params_current(spcm, sw_params);
+ if (ret < 0) {
+ SNDERR("unable to get current sw_params");
+ return ret;
+ }
+
+ ret = snd_pcm_sw_params_get_boundary(sw_params, &boundary);
+ if (ret < 0) {
+ SNDERR("unable to get boundary");
+ return ret;
+ }
+ ret = snd_pcm_sw_params_set_stop_threshold(spcm, sw_params, boundary);
+ if (ret < 0) {
+ SNDERR("unable to set stop threshold");
+ return ret;
+ }
+
+ /* set timestamp mode to MMAP
+ * the slave timestamp is copied appropriately in dsnoop/dmix/dshare
+ * based on the tstamp_mode of each client
+ */
+ ret = snd_pcm_sw_params_set_tstamp_mode(spcm, sw_params,
+ SND_PCM_TSTAMP_ENABLE);
+ if (ret < 0) {
+ SNDERR("unable to tstamp mode MMAP");
+ return ret;
+ }
+
+ if (dmix->type != SND_PCM_TYPE_DMIX)
+ goto __skip_silencing;
+
+ ret = snd_pcm_sw_params_set_silence_threshold(spcm, sw_params, 0);
+ if (ret < 0) {
+ SNDERR("unable to set silence threshold");
+ return ret;
+ }
+ ret = snd_pcm_sw_params_set_silence_size(spcm, sw_params, boundary);
+ if (ret < 0) {
+ SNDERR("unable to set silence threshold (please upgrade to 0.9.0rc8+ driver)");
+ return ret;
+ }
+
+ __skip_silencing:
+
+ ret = snd_pcm_sw_params(spcm, sw_params);
+ if (ret < 0) {
+ SNDERR("unable to install sw params (please upgrade to 0.9.0rc8+ driver)");
+ return ret;
+ }
+
+ if (dmix->type == SND_PCM_TYPE_DSHARE) {
+ const snd_pcm_channel_area_t *dst_areas;
+ dst_areas = snd_pcm_mmap_areas(spcm);
+ snd_pcm_areas_silence(dst_areas, 0, spcm->channels, spcm->buffer_size, spcm->format);
+ }
+
+ ret = snd_pcm_start(spcm);
+ if (ret < 0) {
+ SNDERR("unable to start PCM stream");
+ return ret;
+ }
+
+ if (snd_pcm_poll_descriptors_count(spcm) != 1) {
+ SNDERR("unable to use hardware pcm with fd more than one!!!");
+ return ret;
+ }
+ snd_pcm_poll_descriptors(spcm, &fd, 1);
+ dmix->hw_fd = fd.fd;
+
+ save_slave_setting(dmix, spcm);
+
+ /* Currently, we assume that each dmix client has the same
+ * hw_params setting.
+ * If the arbitrary hw_parmas is supported in future,
+ * boundary has to be taken from the slave config but
+ * recalculated for the native boundary size (for 32bit
+ * emulation on 64bit arch).
+ */
+ dmix->slave_buffer_size = spcm->buffer_size;
+ dmix->slave_period_size = spcm->period_size;
+ dmix->slave_boundary = spcm->boundary;
+
+ spcm->donot_close = 1;
+
+ {
+ int ver = 0;
+ ioctl(spcm->poll_fd, SNDRV_PCM_IOCTL_PVERSION, &ver);
+ if (ver < SNDRV_PROTOCOL_VERSION(2, 0, 8))
+ dmix->shmptr->use_server = 1;
+ }
+
+ return 0;
+}
+
+/*
+ * the trick is used here; we cannot use effectively the hardware handle because
+ * we cannot drive multiple accesses to appl_ptr; so we use slave timer of given
+ * PCM hardware handle; it's not this easy and cheap?
+ */
+int snd_pcm_direct_initialize_poll_fd(snd_pcm_direct_t *dmix)
+{
+ int ret;
+ snd_pcm_info_t *info;
+ char name[128];
+ int capture = dmix->type == SND_PCM_TYPE_DSNOOP ? 1 : 0;
+
+ dmix->tread = 1;
+ dmix->timer_need_poll = 0;
+ snd_pcm_info_alloca(&info);
+ ret = snd_pcm_info(dmix->spcm, info);
+ if (ret < 0) {
+ SNDERR("unable to info for slave pcm");
+ return ret;
+ }
+ sprintf(name, "hw:CLASS=%i,SCLASS=0,CARD=%i,DEV=%i,SUBDEV=%i",
+ (int)SND_TIMER_CLASS_PCM,
+ snd_pcm_info_get_card(info),
+ snd_pcm_info_get_device(info),
+ snd_pcm_info_get_subdevice(info) * 2 + capture);
+ ret = snd_timer_open(&dmix->timer, name, SND_TIMER_OPEN_NONBLOCK | SND_TIMER_OPEN_TREAD);
+ if (ret < 0) {
+ dmix->tread = 0;
+ ret = snd_timer_open(&dmix->timer, name, SND_TIMER_OPEN_NONBLOCK);
+ if (ret < 0) {
+ SNDERR("unable to open timer '%s'", name);
+ return ret;
+ }
+ }
+
+ if (snd_timer_poll_descriptors_count(dmix->timer) != 1) {
+ SNDERR("unable to use timer '%s' with more than one fd!", name);
+ return ret;
+ }
+ snd_timer_poll_descriptors(dmix->timer, &dmix->timer_fd, 1);
+ dmix->poll_fd = dmix->timer_fd.fd;
+
+ dmix->timer_events = (1<<SND_TIMER_EVENT_MSUSPEND) |
+ (1<<SND_TIMER_EVENT_MRESUME) |
+ (1<<SND_TIMER_EVENT_MSTOP) |
+ (1<<SND_TIMER_EVENT_STOP);
+
+ /*
+ * Some hacks for older kernel drivers
+ */
+ {
+ int ver = 0;
+ ioctl(dmix->poll_fd, SNDRV_TIMER_IOCTL_PVERSION, &ver);
+ /* In older versions, check via poll before read() is needed
+ * because of the confliction between TIMER_START and
+ * FIONBIO ioctls.
+ */
+ if (ver < SNDRV_PROTOCOL_VERSION(2, 0, 4))
+ dmix->timer_need_poll = 1;
+ /*
+ * In older versions, timer uses pause events instead
+ * suspend/resume events.
+ */
+ if (ver < SNDRV_PROTOCOL_VERSION(2, 0, 5)) {
+ dmix->timer_events &= ~((1<<SND_TIMER_EVENT_MSUSPEND) |
+ (1<<SND_TIMER_EVENT_MRESUME));
+ dmix->timer_events |= (1<<SND_TIMER_EVENT_MPAUSE) |
+ (1<<SND_TIMER_EVENT_MCONTINUE);
+ }
+ /* In older versions, use SND_TIMER_EVENT_START too.
+ */
+ if (ver < SNDRV_PROTOCOL_VERSION(2, 0, 6))
+ dmix->timer_events |= 1<<SND_TIMER_EVENT_START;
+ }
+ return 0;
+}
+
+static snd_pcm_uframes_t recalc_boundary_size(unsigned long long bsize, snd_pcm_uframes_t buffer_size)
+{
+ if (bsize > LONG_MAX) {
+ bsize = buffer_size;
+ while (bsize * 2 <= LONG_MAX - buffer_size)
+ bsize *= 2;
+ }
+ return (snd_pcm_uframes_t)bsize;
+}
+
+#define COPY_SLAVE(field) (spcm->field = dmix->shmptr->s.field)
+
+/* copy the slave setting */
+static void copy_slave_setting(snd_pcm_direct_t *dmix, snd_pcm_t *spcm)
+{
+ COPY_SLAVE(access);
+ COPY_SLAVE(format);
+ COPY_SLAVE(subformat);
+ COPY_SLAVE(channels);
+ COPY_SLAVE(rate);
+ COPY_SLAVE(period_size);
+ COPY_SLAVE(period_time);
+ COPY_SLAVE(periods);
+ COPY_SLAVE(tstamp_mode);
+ COPY_SLAVE(tstamp_type);
+ COPY_SLAVE(period_step);
+ COPY_SLAVE(avail_min);
+ COPY_SLAVE(start_threshold);
+ COPY_SLAVE(stop_threshold);
+ COPY_SLAVE(silence_threshold);
+ COPY_SLAVE(silence_size);
+ COPY_SLAVE(boundary);
+ COPY_SLAVE(info);
+ COPY_SLAVE(msbits);
+ COPY_SLAVE(rate_num);
+ COPY_SLAVE(rate_den);
+ COPY_SLAVE(hw_flags);
+ COPY_SLAVE(fifo_size);
+ COPY_SLAVE(buffer_size);
+ COPY_SLAVE(buffer_time);
+ COPY_SLAVE(sample_bits);
+ COPY_SLAVE(frame_bits);
+
+ spcm->info &= ~SND_PCM_INFO_PAUSE;
+ spcm->boundary = recalc_boundary_size(dmix->shmptr->s.boundary, spcm->buffer_size);
+}
+
+#undef COPY_SLAVE
+
+
+/*
+ * open a slave PCM as secondary client (dup'ed fd)
+ */
+int snd_pcm_direct_open_secondary_client(snd_pcm_t **spcmp, snd_pcm_direct_t *dmix, const char *client_name)
+{
+ int ret;
+ snd_pcm_t *spcm;
+
+ ret = snd_pcm_hw_open_fd(spcmp, client_name, dmix->hw_fd, 0, 0);
+ if (ret < 0) {
+ SNDERR("unable to open hardware");
+ return ret;
+ }
+
+ spcm = *spcmp;
+ spcm->donot_close = 1;
+ spcm->setup = 1;
+
+ copy_slave_setting(dmix, spcm);
+
+ /* Use the slave setting as SPCM, so far */
+ dmix->slave_buffer_size = spcm->buffer_size;
+ dmix->slave_period_size = dmix->shmptr->s.period_size;
+ dmix->slave_boundary = spcm->boundary;
+
+ ret = snd_pcm_mmap(spcm);
+ if (ret < 0) {
+ SNDERR("unable to mmap channels");
+ return ret;
+ }
+ return 0;
+}
+
+/*
+ * open a slave PCM as secondary client (dup'ed fd)
+ */
+int snd_pcm_direct_initialize_secondary_slave(snd_pcm_direct_t *dmix,
+ snd_pcm_t *spcm,
+ struct slave_params *params ATTRIBUTE_UNUSED)
+{
+ int ret;
+
+ spcm->donot_close = 1;
+ spcm->setup = 1;
+
+ copy_slave_setting(dmix, spcm);
+
+ /* Use the slave setting as SPCM, so far */
+ dmix->slave_buffer_size = spcm->buffer_size;
+ dmix->slave_period_size = dmix->shmptr->s.period_size;
+ dmix->slave_boundary = spcm->boundary;
+
+ ret = snd_pcm_mmap(spcm);
+ if (ret < 0) {
+ SNDERR("unable to mmap channels");
+ return ret;
+ }
+ return 0;
+}
+
+int snd_pcm_direct_set_timer_params(snd_pcm_direct_t *dmix)
+{
+ snd_timer_params_t *params;
+ unsigned int filter;
+ int ret;
+
+ snd_timer_params_alloca(¶ms);
+ snd_timer_params_set_auto_start(params, 1);
+ if (dmix->type != SND_PCM_TYPE_DSNOOP)
+ snd_timer_params_set_early_event(params, 1);
+ snd_timer_params_set_ticks(params, 1);
+ if (dmix->tread) {
+ filter = (1<<SND_TIMER_EVENT_TICK) |
+ dmix->timer_events;
+ snd_timer_params_set_filter(params, filter);
+ }
+ ret = snd_timer_params(dmix->timer, params);
+ if (ret < 0) {
+ SNDERR("unable to set timer parameters");
+ return ret;
+ }
+ return 0;
+}
+
+/*
+ * ring buffer operation
+ */
+int snd_pcm_direct_check_interleave(snd_pcm_direct_t *dmix, snd_pcm_t *pcm)
+{
+ unsigned int chn, channels;
+ int bits, interleaved = 1;
+ const snd_pcm_channel_area_t *dst_areas;
+ const snd_pcm_channel_area_t *src_areas;
+
+ bits = snd_pcm_format_physical_width(pcm->format);
+ if ((bits % 8) != 0)
+ interleaved = 0;
+ channels = dmix->channels;
+ dst_areas = snd_pcm_mmap_areas(dmix->spcm);
+ src_areas = snd_pcm_mmap_areas(pcm);
+ for (chn = 1; chn < channels; chn++) {
+ if (dst_areas[chn-1].addr != dst_areas[chn].addr) {
+ interleaved = 0;
+ break;
+ }
+ if (src_areas[chn-1].addr != src_areas[chn].addr) {
+ interleaved = 0;
+ break;
+ }
+ }
+ for (chn = 0; chn < channels; chn++) {
+ if (dmix->bindings && dmix->bindings[chn] != chn) {
+ interleaved = 0;
+ break;
+ }
+ if (dst_areas[chn].first != chn * bits ||
+ dst_areas[chn].step != channels * bits) {
+ interleaved = 0;
+ break;
+ }
+ if (src_areas[chn].first != chn * bits ||
+ src_areas[chn].step != channels * bits) {
+ interleaved = 0;
+ break;
+ }
+ }
+ return dmix->interleaved = interleaved;
+}
+
+/*
+ * parse the channel map
+ * id == client channel
+ * value == slave's channel
+ */
+int snd_pcm_direct_parse_bindings(snd_pcm_direct_t *dmix,
+ struct slave_params *params,
+ snd_config_t *cfg)
+{
+ snd_config_iterator_t i, next;
+ unsigned int chn, chn1, count = 0;
+ unsigned int *bindings;
+ int err;
+
+ dmix->channels = UINT_MAX;
+ if (cfg == NULL)
+ return 0;
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("invalid type for bindings");
+ return -EINVAL;
+ }
+ snd_config_for_each(i, next, cfg) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ long cchannel;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &cchannel);
+ if (err < 0 || cchannel < 0) {
+ SNDERR("invalid client channel in binding: %s\n", id);
+ return -EINVAL;
+ }
+ if ((unsigned)cchannel >= count)
+ count = cchannel + 1;
+ }
+ if (count == 0)
+ return 0;
+ if (count > 1024) {
+ SNDERR("client channel out of range");
+ return -EINVAL;
+ }
+ bindings = malloc(count * sizeof(unsigned int));
+ if (bindings == NULL)
+ return -ENOMEM;
+ for (chn = 0; chn < count; chn++)
+ bindings[chn] = UINT_MAX; /* don't route */
+ snd_config_for_each(i, next, cfg) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ long cchannel, schannel;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ safe_strtol(id, &cchannel);
+ if (snd_config_get_integer(n, &schannel) < 0) {
+ SNDERR("unable to get slave channel (should be integer type) in binding: %s\n", id);
+ free(bindings);
+ return -EINVAL;
+ }
+ if (schannel < 0 || schannel >= params->channels) {
+ SNDERR("invalid slave channel number %ld in binding to %ld",
+ schannel, cchannel);
+ free(bindings);
+ return -EINVAL;
+ }
+ bindings[cchannel] = schannel;
+ }
+ if (dmix->type == SND_PCM_TYPE_DSNOOP ||
+ ! dmix->bindings)
+ goto __skip_same_dst;
+ for (chn = 0; chn < count; chn++) {
+ for (chn1 = 0; chn1 < count; chn1++) {
+ if (chn == chn1)
+ continue;
+ if (bindings[chn] == dmix->bindings[chn1]) {
+ SNDERR("unable to route channels %d,%d to same destination %d", chn, chn1, bindings[chn]);
+ free(bindings);
+ return -EINVAL;
+ }
+ }
+ }
+ __skip_same_dst:
+ dmix->bindings = bindings;
+ dmix->channels = count;
+ return 0;
+}
+
+/*
+ * parse slave config and calculate the ipc_key offset
+ */
+
+static int _snd_pcm_direct_get_slave_ipc_offset(snd_config_t *root,
+ snd_config_t *sconf,
+ int direction,
+ int hop)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *pcm_conf, *pcm_conf2;
+ int err;
+ long card = 0, device = 0, subdevice = 0;
+ const char *str;
+
+ if (snd_config_get_string(sconf, &str) >= 0) {
+ if (hop > SND_CONF_MAX_HOPS) {
+ SNDERR("Too many definition levels (looped?)");
+ return -EINVAL;
+ }
+ err = snd_config_search_definition(root, "pcm", str, &pcm_conf);
+ if (err < 0) {
+ SNDERR("Unknown slave PCM %s", str);
+ return err;
+ }
+ err = _snd_pcm_direct_get_slave_ipc_offset(root, pcm_conf,
+ direction,
+ hop + 1);
+ snd_config_delete(pcm_conf);
+ return err;
+ }
+
+#if 0 /* for debug purposes */
+ {
+ snd_output_t *out;
+ snd_output_stdio_attach(&out, stderr, 0);
+ snd_config_save(sconf, out);
+ snd_output_close(out);
+ }
+#endif
+
+ if (snd_config_search(sconf, "slave", &pcm_conf) >= 0) {
+ if (snd_config_search(pcm_conf, "pcm", &pcm_conf) >= 0) {
+ return _snd_pcm_direct_get_slave_ipc_offset(root,
+ pcm_conf,
+ direction,
+ hop + 1);
+ } else {
+ if (snd_config_get_string(pcm_conf, &str) >= 0 &&
+ snd_config_search_definition(root, "pcm_slave",
+ str, &pcm_conf) >= 0) {
+ if (snd_config_search(pcm_conf, "pcm",
+ &pcm_conf2) >= 0) {
+ err =
+ _snd_pcm_direct_get_slave_ipc_offset(
+ root, pcm_conf2, direction, hop + 1);
+ snd_config_delete(pcm_conf);
+ return err;
+ }
+ snd_config_delete(pcm_conf);
+ }
+ }
+ }
+
+ snd_config_for_each(i, next, sconf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id, *str;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "type") == 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0) {
+ SNDERR("Invalid value for PCM type definition\n");
+ return -EINVAL;
+ }
+ if (strcmp(str, "hw")) {
+ SNDERR("Invalid type '%s' for slave PCM\n", str);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "card") == 0) {
+ err = snd_config_get_integer(n, &card);
+ if (err < 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ card = snd_card_get_index(str);
+ if (card < 0) {
+ SNDERR("Invalid value for %s", id);
+ return card;
+ }
+ }
+ continue;
+ }
+ if (strcmp(id, "device") == 0) {
+ err = snd_config_get_integer(n, &device);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ continue;
+ }
+ if (strcmp(id, "subdevice") == 0) {
+ err = snd_config_get_integer(n, &subdevice);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ continue;
+ }
+ }
+ if (card < 0)
+ card = 0;
+ if (device < 0)
+ device = 0;
+ if (subdevice < 0)
+ subdevice = 0;
+ return (direction << 1) + (device << 2) + (subdevice << 8) + (card << 12);
+}
+
+static int snd_pcm_direct_get_slave_ipc_offset(snd_config_t *root,
+ snd_config_t *sconf,
+ int direction)
+{
+ return _snd_pcm_direct_get_slave_ipc_offset(root, sconf, direction, 0);
+}
+
+int snd_pcm_direct_parse_open_conf(snd_config_t *root, snd_config_t *conf,
+ int stream, struct snd_pcm_direct_open_conf *rec)
+{
+ snd_config_iterator_t i, next;
+ int ipc_key_add_uid = 0;
+ snd_config_t *n;
+ int err;
+
+ rec->slave = NULL;
+ rec->bindings = NULL;
+ rec->ipc_key = 0;
+ rec->ipc_perm = 0600;
+ rec->ipc_gid = -1;
+ rec->slowptr = 1;
+ rec->max_periods = 0;
+
+ /* read defaults */
+ if (snd_config_search(root, "defaults.pcm.dmix_max_periods", &n) >= 0) {
+ long val;
+ err = snd_config_get_integer(n, &val);
+ if (err >= 0)
+ rec->max_periods = val;
+ }
+
+ snd_config_for_each(i, next, conf) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "ipc_key") == 0) {
+ long key;
+ err = snd_config_get_integer(n, &key);
+ if (err < 0) {
+ SNDERR("The field ipc_key must be an integer type");
+
+ return err;
+ }
+ rec->ipc_key = key;
+ continue;
+ }
+ if (strcmp(id, "ipc_perm") == 0) {
+ long perm;
+ err = snd_config_get_integer(n, &perm);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ if ((perm & ~0777) != 0) {
+ SNDERR("The field ipc_perm must be a valid file permission");
+ return -EINVAL;
+ }
+ rec->ipc_perm = perm;
+ continue;
+ }
+ if (strcmp(id, "ipc_gid") == 0) {
+ char *group;
+ char *endp;
+ err = snd_config_get_ascii(n, &group);
+ if (err < 0) {
+ SNDERR("The field ipc_gid must be a valid group");
+ return err;
+ }
+ if (! *group) {
+ rec->ipc_gid = -1;
+ free(group);
+ continue;
+ }
+ if (isdigit(*group) == 0) {
+ long clen = sysconf(_SC_GETGR_R_SIZE_MAX);
+ size_t len = (clen == -1) ? 1024 : (size_t)clen;
+ struct group grp, *pgrp;
+ char *buffer = (char *)malloc(len);
+ if (buffer == NULL)
+ return -ENOMEM;
+ int st = getgrnam_r(group, &grp, buffer, len, &pgrp);
+ if (st != 0 || !pgrp) {
+ SNDERR("The field ipc_gid must be a valid group (create group %s)", group);
+ free(buffer);
+ return -EINVAL;
+ }
+ rec->ipc_gid = pgrp->gr_gid;
+ free(buffer);
+ } else {
+ rec->ipc_gid = strtol(group, &endp, 10);
+ }
+ free(group);
+ continue;
+ }
+ if (strcmp(id, "ipc_key_add_uid") == 0) {
+ if ((err = snd_config_get_bool(n)) < 0) {
+ SNDERR("The field ipc_key_add_uid must be a boolean type");
+ return err;
+ }
+ ipc_key_add_uid = err;
+ continue;
+ }
+ if (strcmp(id, "slave") == 0) {
+ rec->slave = n;
+ continue;
+ }
+ if (strcmp(id, "bindings") == 0) {
+ rec->bindings = n;
+ continue;
+ }
+ if (strcmp(id, "slowptr") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ return err;
+ rec->slowptr = err;
+ continue;
+ }
+ if (strcmp(id, "max_periods") == 0) {
+ long val;
+ err = snd_config_get_integer(n, &val);
+ if (err < 0)
+ return err;
+ rec->max_periods = val;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!rec->slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ if (!rec->ipc_key) {
+ SNDERR("Unique IPC key is not defined");
+ return -EINVAL;
+ }
+ if (ipc_key_add_uid)
+ rec->ipc_key += getuid();
+ err = snd_pcm_direct_get_slave_ipc_offset(root, conf, stream);
+ if (err < 0)
+ return err;
+ rec->ipc_key += err;
+
+ return 0;
+}
diff --git a/src/pcm/pcm_direct.h b/src/pcm/pcm_direct.h
new file mode 100644
index 0000000..9b1ddbc
--- /dev/null
+++ b/src/pcm/pcm_direct.h
@@ -0,0 +1,330 @@
+/*
+ * PCM - Direct Stream Mixing
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+
+#define DIRECT_IPC_SEMS 1
+#define DIRECT_IPC_SEM_CLIENT 0
+
+typedef void (mix_areas_t)(unsigned int size,
+ volatile void *dst, void *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step);
+
+typedef void (mix_areas_16_t)(unsigned int size,
+ volatile signed short *dst, signed short *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step);
+
+typedef void (mix_areas_32_t)(unsigned int size,
+ volatile signed int *dst, signed int *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step);
+
+typedef void (mix_areas_24_t)(unsigned int size,
+ volatile unsigned char *dst, unsigned char *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step);
+
+typedef void (mix_areas_u8_t)(unsigned int size,
+ volatile unsigned char *dst, unsigned char *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step);
+
+struct slave_params {
+ snd_pcm_format_t format;
+ int rate;
+ int channels;
+ int period_time;
+ int buffer_time;
+ snd_pcm_sframes_t period_size;
+ snd_pcm_sframes_t buffer_size;
+ unsigned int periods;
+};
+
+/* shared among direct plugin clients - be careful to be 32/64bit compatible! */
+typedef struct {
+ unsigned int magic; /* magic number */
+ char socket_name[256]; /* name of communication socket */
+ snd_pcm_type_t type; /* PCM type (currently only hw) */
+ int use_server;
+ struct {
+ unsigned int format;
+ snd_interval_t rate;
+ snd_interval_t buffer_size;
+ snd_interval_t buffer_time;
+ snd_interval_t period_size;
+ snd_interval_t period_time;
+ snd_interval_t periods;
+ } hw;
+ struct {
+ /* copied to slave PCMs */
+ snd_pcm_access_t access;
+ snd_pcm_format_t format;
+ snd_pcm_subformat_t subformat;
+ unsigned int channels;
+ unsigned int rate;
+ unsigned int period_size;
+ unsigned int period_time;
+ snd_interval_t periods;
+ snd_pcm_tstamp_t tstamp_mode;
+ snd_pcm_tstamp_type_t tstamp_type;
+ unsigned int period_step;
+ unsigned int sleep_min; /* not used */
+ unsigned int avail_min;
+ unsigned int start_threshold;
+ unsigned int stop_threshold;
+ unsigned int silence_threshold;
+ unsigned int silence_size;
+ unsigned int xfer_align; /* not used */
+ unsigned long long boundary;
+ unsigned int info;
+ unsigned int msbits;
+ unsigned int rate_num;
+ unsigned int rate_den;
+ unsigned int hw_flags;
+ unsigned int fifo_size;
+ unsigned int buffer_size;
+ snd_interval_t buffer_time;
+ unsigned int sample_bits;
+ unsigned int frame_bits;
+ } s;
+ union {
+ struct {
+ unsigned long long chn_mask;
+ } dshare;
+ } u;
+} snd_pcm_direct_share_t;
+
+typedef struct snd_pcm_direct snd_pcm_direct_t;
+
+struct snd_pcm_direct {
+ snd_pcm_type_t type; /* type (dmix, dsnoop, dshare) */
+ key_t ipc_key; /* IPC key for semaphore and memory */
+ mode_t ipc_perm; /* IPC socket permissions */
+ int ipc_gid; /* IPC socket gid */
+ int semid; /* IPC global semaphore identification */
+ int locked[DIRECT_IPC_SEMS]; /* local lock counter */
+ int shmid; /* IPC global shared memory identification */
+ snd_pcm_direct_share_t *shmptr; /* pointer to shared memory area */
+ snd_pcm_t *spcm; /* slave PCM handle */
+ snd_pcm_uframes_t appl_ptr;
+ snd_pcm_uframes_t last_appl_ptr;
+ snd_pcm_uframes_t hw_ptr;
+ snd_pcm_uframes_t avail_max;
+ snd_pcm_uframes_t slave_appl_ptr;
+ snd_pcm_uframes_t slave_hw_ptr;
+ snd_pcm_uframes_t slave_period_size;
+ snd_pcm_uframes_t slave_buffer_size;
+ snd_pcm_uframes_t slave_boundary;
+ int (*sync_ptr)(snd_pcm_t *pcm);
+ snd_pcm_state_t state;
+ snd_htimestamp_t trigger_tstamp;
+ snd_htimestamp_t update_tstamp;
+ int server, client;
+ int comm_fd; /* communication file descriptor (socket) */
+ int hw_fd; /* hardware file descriptor */
+ struct pollfd timer_fd;
+ int poll_fd;
+ int tread: 1;
+ int timer_need_poll: 1;
+ unsigned int timer_events;
+ int server_fd;
+ pid_t server_pid;
+ snd_timer_t *timer; /* timer used as poll_fd */
+ int interleaved; /* we have interleaved buffer */
+ int slowptr; /* use slow but more precise ptr updates */
+ int max_periods; /* max periods (-1 = fixed periods, 0 = max buffer size) */
+ unsigned int channels; /* client's channels */
+ unsigned int *bindings;
+ union {
+ struct {
+ int shmid_sum; /* IPC global sum ring buffer memory identification */
+ signed int *sum_buffer; /* shared sum buffer */
+ mix_areas_16_t *mix_areas_16;
+ mix_areas_32_t *mix_areas_32;
+ mix_areas_24_t *mix_areas_24;
+ mix_areas_u8_t *mix_areas_u8;
+ mix_areas_16_t *remix_areas_16;
+ mix_areas_32_t *remix_areas_32;
+ mix_areas_24_t *remix_areas_24;
+ mix_areas_u8_t *remix_areas_u8;
+ } dmix;
+ struct {
+ } dsnoop;
+ struct {
+ unsigned long long chn_mask;
+ } dshare;
+ } u;
+ void (*server_free)(snd_pcm_direct_t *direct);
+};
+
+/* make local functions really local */
+#define snd_pcm_direct_semaphore_create_or_connect \
+ snd1_pcm_direct_semaphore_create_or_connect
+#define snd_pcm_direct_shm_create_or_connect \
+ snd1_pcm_direct_shm_create_or_connect
+#define snd_pcm_direct_shm_discard \
+ snd1_pcm_direct_shm_discard
+#define snd_pcm_direct_server_create \
+ snd1_pcm_direct_server_create
+#define snd_pcm_direct_server_discard \
+ snd1_pcm_direct_server_discard
+#define snd_pcm_direct_client_connect \
+ snd1_pcm_direct_client_connect
+#define snd_pcm_direct_client_discard \
+ snd1_pcm_direct_client_discard
+#define snd_pcm_direct_initialize_slave \
+ snd1_pcm_direct_initialize_slave
+#define snd_pcm_direct_initialize_secondary_slave \
+ snd1_pcm_direct_initialize_secondary_slave
+#define snd_pcm_direct_initialize_poll_fd \
+ snd1_pcm_direct_initialize_poll_fd
+#define snd_pcm_direct_check_interleave \
+ snd1_pcm_direct_check_interleave
+#define snd_pcm_direct_parse_bindings \
+ snd1_pcm_direct_parse_bindings
+#define snd_pcm_direct_nonblock \
+ snd1_pcm_direct_nonblock
+#define snd_pcm_direct_async \
+ snd1_pcm_direct_async
+#define snd_pcm_direct_poll_revents \
+ snd1_pcm_direct_poll_revents
+#define snd_pcm_direct_info \
+ snd1_pcm_direct_info
+#define snd_pcm_direct_hw_refine \
+ snd1_pcm_direct_hw_refine
+#define snd_pcm_direct_hw_params \
+ snd1_pcm_direct_hw_params
+#define snd_pcm_direct_hw_free \
+ snd1_pcm_direct_hw_free
+#define snd_pcm_direct_sw_params \
+ snd1_pcm_direct_sw_params
+#define snd_pcm_direct_channel_info \
+ snd1_pcm_direct_channel_info
+#define snd_pcm_direct_mmap \
+ snd1_pcm_direct_mmap
+#define snd_pcm_direct_munmap \
+ snd1_pcm_direct_munmap
+#define snd_pcm_direct_resume \
+ snd1_pcm_direct_resume
+#define snd_pcm_direct_timer_stop \
+ snd1_pcm_direct_timer_stop
+#define snd_pcm_direct_clear_timer_queue \
+ snd1_pcm_direct_clear_timer_queue
+#define snd_pcm_direct_set_timer_params \
+ snd1_pcm_direct_set_timer_params
+#define snd_pcm_direct_open_secondary_client \
+ snd1_pcm_direct_open_secondary_client
+#define snd_pcm_direct_parse_open_conf \
+ snd1_pcm_direct_parse_open_conf
+#define snd_pcm_direct_query_chmaps \
+ snd1_pcm_direct_query_chmaps
+#define snd_pcm_direct_get_chmap \
+ snd1_pcm_direct_get_chmap
+#define snd_pcm_direct_set_chmap \
+ snd1_pcm_direct_set_chmap
+
+int snd_pcm_direct_semaphore_create_or_connect(snd_pcm_direct_t *dmix);
+
+static inline int snd_pcm_direct_semaphore_discard(snd_pcm_direct_t *dmix)
+{
+ if (dmix->semid >= 0) {
+ if (semctl(dmix->semid, 0, IPC_RMID, NULL) < 0)
+ return -errno;
+ dmix->semid = -1;
+ }
+ return 0;
+}
+
+static inline int snd_pcm_direct_semaphore_down(snd_pcm_direct_t *dmix, int sem_num)
+{
+ struct sembuf op[2] = { { sem_num, 0, 0 }, { sem_num, 1, SEM_UNDO } };
+ int err = semop(dmix->semid, op, 2);
+ if (err == 0) dmix->locked[sem_num]++;
+ return err;
+}
+
+static inline int snd_pcm_direct_semaphore_up(snd_pcm_direct_t *dmix, int sem_num)
+{
+ struct sembuf op = { sem_num, -1, SEM_UNDO | IPC_NOWAIT };
+ int err = semop(dmix->semid, &op, 1);
+ if (err == 0) dmix->locked[sem_num]--;
+ return err;
+}
+
+static inline int snd_pcm_direct_semaphore_final(snd_pcm_direct_t *dmix, int sem_num)
+{
+ if (dmix->locked[sem_num] != 1) {
+ SNDMSG("invalid semaphore count to finalize %d: %d", sem_num, dmix->locked[sem_num]);
+ return -EBUSY;
+ }
+ return snd_pcm_direct_semaphore_up(dmix, sem_num);
+}
+
+int snd_pcm_direct_shm_create_or_connect(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_shm_discard(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_server_create(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_server_discard(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_client_connect(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_client_discard(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_initialize_slave(snd_pcm_direct_t *dmix, snd_pcm_t *spcm, struct slave_params *params);
+int snd_pcm_direct_initialize_secondary_slave(snd_pcm_direct_t *dmix, snd_pcm_t *spcm, struct slave_params *params);
+int snd_pcm_direct_initialize_poll_fd(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_check_interleave(snd_pcm_direct_t *dmix, snd_pcm_t *pcm);
+int snd_pcm_direct_parse_bindings(snd_pcm_direct_t *dmix,
+ struct slave_params *params,
+ snd_config_t *cfg);
+int snd_pcm_direct_nonblock(snd_pcm_t *pcm, int nonblock);
+int snd_pcm_direct_async(snd_pcm_t *pcm, int sig, pid_t pid);
+int snd_pcm_direct_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_pcm_direct_info(snd_pcm_t *pcm, snd_pcm_info_t * info);
+int snd_pcm_direct_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_direct_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params);
+int snd_pcm_direct_hw_free(snd_pcm_t *pcm);
+int snd_pcm_direct_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t * params);
+int snd_pcm_direct_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
+int snd_pcm_direct_mmap(snd_pcm_t *pcm);
+int snd_pcm_direct_munmap(snd_pcm_t *pcm);
+int snd_pcm_direct_resume(snd_pcm_t *pcm);
+int snd_pcm_direct_timer_stop(snd_pcm_direct_t *dmix);
+void snd_pcm_direct_clear_timer_queue(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_set_timer_params(snd_pcm_direct_t *dmix);
+int snd_pcm_direct_open_secondary_client(snd_pcm_t **spcmp, snd_pcm_direct_t *dmix, const char *client_name);
+
+snd_pcm_chmap_query_t **snd_pcm_direct_query_chmaps(snd_pcm_t *pcm);
+snd_pcm_chmap_t *snd_pcm_direct_get_chmap(snd_pcm_t *pcm);
+int snd_pcm_direct_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
+
+int snd_timer_async(snd_timer_t *timer, int sig, pid_t pid);
+struct timespec snd_pcm_hw_fast_tstamp(snd_pcm_t *pcm);
+
+struct snd_pcm_direct_open_conf {
+ key_t ipc_key;
+ mode_t ipc_perm;
+ int ipc_gid;
+ int slowptr;
+ int max_periods;
+ snd_config_t *slave;
+ snd_config_t *bindings;
+};
+
+int snd_pcm_direct_parse_open_conf(snd_config_t *root, snd_config_t *conf, int stream, struct snd_pcm_direct_open_conf *rec);
diff --git a/src/pcm/pcm_dmix.c b/src/pcm/pcm_dmix.c
new file mode 100644
index 0000000..babde6a
--- /dev/null
+++ b/src/pcm/pcm_dmix.c
@@ -0,0 +1,1332 @@
+/**
+ * \file pcm/pcm_dmix.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Direct Stream Mixing (dmix) Plugin Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2003
+ */
+/*
+ * PCM - Direct Stream Mixing
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <grp.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include <sys/sem.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/mman.h>
+#include "pcm_direct.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_dmix = "";
+#endif
+
+#ifndef DOC_HIDDEN
+/* start is pending - this state happens when rate plugin does a delayed commit */
+#define STATE_RUN_PENDING 1024
+#endif
+
+/*
+ *
+ */
+
+static int shm_sum_discard(snd_pcm_direct_t *dmix);
+
+/*
+ * sum ring buffer shared memory area
+ */
+static int shm_sum_create_or_connect(snd_pcm_direct_t *dmix)
+{
+ struct shmid_ds buf;
+ int tmpid, err;
+ size_t size;
+
+ size = dmix->shmptr->s.channels *
+ dmix->shmptr->s.buffer_size *
+ sizeof(signed int);
+retryshm:
+ dmix->u.dmix.shmid_sum = shmget(dmix->ipc_key + 1, size,
+ IPC_CREAT | dmix->ipc_perm);
+ err = -errno;
+ if (dmix->u.dmix.shmid_sum < 0) {
+ if (errno == EINVAL)
+ if ((tmpid = shmget(dmix->ipc_key + 1, 0, dmix->ipc_perm)) != -1)
+ if (!shmctl(tmpid, IPC_STAT, &buf))
+ if (!buf.shm_nattch)
+ /* no users so destroy the segment */
+ if (!shmctl(tmpid, IPC_RMID, NULL))
+ goto retryshm;
+ return err;
+ }
+ if (shmctl(dmix->u.dmix.shmid_sum, IPC_STAT, &buf) < 0) {
+ err = -errno;
+ shm_sum_discard(dmix);
+ return err;
+ }
+ if (dmix->ipc_gid >= 0) {
+ buf.shm_perm.gid = dmix->ipc_gid;
+ shmctl(dmix->u.dmix.shmid_sum, IPC_SET, &buf);
+ }
+ dmix->u.dmix.sum_buffer = shmat(dmix->u.dmix.shmid_sum, 0, 0);
+ if (dmix->u.dmix.sum_buffer == (void *) -1) {
+ err = -errno;
+ shm_sum_discard(dmix);
+ return err;
+ }
+ mlock(dmix->u.dmix.sum_buffer, size);
+ return 0;
+}
+
+static int shm_sum_discard(snd_pcm_direct_t *dmix)
+{
+ struct shmid_ds buf;
+ int ret = 0;
+
+ if (dmix->u.dmix.shmid_sum < 0)
+ return -EINVAL;
+ if (dmix->u.dmix.sum_buffer != (void *) -1 && shmdt(dmix->u.dmix.sum_buffer) < 0)
+ return -errno;
+ dmix->u.dmix.sum_buffer = (void *) -1;
+ if (shmctl(dmix->u.dmix.shmid_sum, IPC_STAT, &buf) < 0)
+ return -errno;
+ if (buf.shm_nattch == 0) { /* we're the last user, destroy the segment */
+ if (shmctl(dmix->u.dmix.shmid_sum, IPC_RMID, NULL) < 0)
+ return -errno;
+ ret = 1;
+ }
+ dmix->u.dmix.shmid_sum = -1;
+ return ret;
+}
+
+static void dmix_server_free(snd_pcm_direct_t *dmix)
+{
+ /* remove the memory region */
+ shm_sum_create_or_connect(dmix);
+ shm_sum_discard(dmix);
+}
+
+/*
+ * the main function of this plugin: mixing
+ * FIXME: optimize it for different architectures
+ */
+
+#include "pcm_dmix_generic.c"
+#if defined(__i386__)
+#include "pcm_dmix_i386.c"
+#elif defined(__x86_64__)
+#include "pcm_dmix_x86_64.c"
+#else
+#ifndef DOC_HIDDEN
+#define mix_select_callbacks(x) generic_mix_select_callbacks(x)
+#define dmix_supported_format generic_dmix_supported_format
+#endif
+#endif
+
+static void mix_areas(snd_pcm_direct_t *dmix,
+ const snd_pcm_channel_area_t *src_areas,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t src_ofs,
+ snd_pcm_uframes_t dst_ofs,
+ snd_pcm_uframes_t size)
+{
+ unsigned int src_step, dst_step;
+ unsigned int chn, dchn, channels, sample_size;
+ mix_areas_t *do_mix_areas;
+
+ channels = dmix->channels;
+ switch (dmix->shmptr->s.format) {
+ case SND_PCM_FORMAT_S16_LE:
+ case SND_PCM_FORMAT_S16_BE:
+ sample_size = 2;
+ do_mix_areas = (mix_areas_t *)dmix->u.dmix.mix_areas_16;
+ break;
+ case SND_PCM_FORMAT_S32_LE:
+ case SND_PCM_FORMAT_S32_BE:
+ sample_size = 4;
+ do_mix_areas = (mix_areas_t *)dmix->u.dmix.mix_areas_32;
+ break;
+ case SND_PCM_FORMAT_S24_LE:
+ sample_size = 4;
+ do_mix_areas = (mix_areas_t *)dmix->u.dmix.mix_areas_24;
+ break;
+ case SND_PCM_FORMAT_S24_3LE:
+ sample_size = 3;
+ do_mix_areas = (mix_areas_t *)dmix->u.dmix.mix_areas_24;
+ break;
+ case SND_PCM_FORMAT_U8:
+ sample_size = 1;
+ do_mix_areas = (mix_areas_t *)dmix->u.dmix.mix_areas_u8;
+ break;
+ default:
+ return;
+ }
+ if (dmix->interleaved) {
+ /*
+ * process all areas in one loop
+ * it optimizes the memory accesses for this case
+ */
+ do_mix_areas(size * channels,
+ (unsigned char *)dst_areas[0].addr + sample_size * dst_ofs * channels,
+ (unsigned char *)src_areas[0].addr + sample_size * src_ofs * channels,
+ dmix->u.dmix.sum_buffer + dst_ofs * channels,
+ sample_size,
+ sample_size,
+ sizeof(signed int));
+ return;
+ }
+ for (chn = 0; chn < channels; chn++) {
+ dchn = dmix->bindings ? dmix->bindings[chn] : chn;
+ if (dchn >= dmix->shmptr->s.channels)
+ continue;
+ src_step = src_areas[chn].step / 8;
+ dst_step = dst_areas[dchn].step / 8;
+ do_mix_areas(size,
+ ((unsigned char *)dst_areas[dchn].addr + dst_areas[dchn].first / 8) + dst_ofs * dst_step,
+ ((unsigned char *)src_areas[chn].addr + src_areas[chn].first / 8) + src_ofs * src_step,
+ dmix->u.dmix.sum_buffer + channels * dst_ofs + chn,
+ dst_step,
+ src_step,
+ channels * sizeof(signed int));
+ }
+}
+
+static void remix_areas(snd_pcm_direct_t *dmix,
+ const snd_pcm_channel_area_t *src_areas,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t src_ofs,
+ snd_pcm_uframes_t dst_ofs,
+ snd_pcm_uframes_t size)
+{
+ unsigned int src_step, dst_step;
+ unsigned int chn, dchn, channels, sample_size;
+ mix_areas_t *do_remix_areas;
+
+ channels = dmix->channels;
+ switch (dmix->shmptr->s.format) {
+ case SND_PCM_FORMAT_S16_LE:
+ case SND_PCM_FORMAT_S16_BE:
+ sample_size = 2;
+ do_remix_areas = (mix_areas_t *)dmix->u.dmix.remix_areas_16;
+ break;
+ case SND_PCM_FORMAT_S32_LE:
+ case SND_PCM_FORMAT_S32_BE:
+ sample_size = 4;
+ do_remix_areas = (mix_areas_t *)dmix->u.dmix.remix_areas_32;
+ break;
+ case SND_PCM_FORMAT_S24_LE:
+ sample_size = 4;
+ do_remix_areas = (mix_areas_t *)dmix->u.dmix.remix_areas_24;
+ break;
+ case SND_PCM_FORMAT_S24_3LE:
+ sample_size = 3;
+ do_remix_areas = (mix_areas_t *)dmix->u.dmix.remix_areas_24;
+ break;
+ case SND_PCM_FORMAT_U8:
+ sample_size = 1;
+ do_remix_areas = (mix_areas_t *)dmix->u.dmix.remix_areas_u8;
+ break;
+ default:
+ return;
+ }
+ if (dmix->interleaved) {
+ /*
+ * process all areas in one loop
+ * it optimizes the memory accesses for this case
+ */
+ do_remix_areas(size * channels,
+ (unsigned char *)dst_areas[0].addr + sample_size * dst_ofs * channels,
+ (unsigned char *)src_areas[0].addr + sample_size * src_ofs * channels,
+ dmix->u.dmix.sum_buffer + dst_ofs * channels,
+ sample_size,
+ sample_size,
+ sizeof(signed int));
+ return;
+ }
+ for (chn = 0; chn < channels; chn++) {
+ dchn = dmix->bindings ? dmix->bindings[chn] : chn;
+ if (dchn >= dmix->shmptr->s.channels)
+ continue;
+ src_step = src_areas[chn].step / 8;
+ dst_step = dst_areas[dchn].step / 8;
+ do_remix_areas(size,
+ ((unsigned char *)dst_areas[dchn].addr + dst_areas[dchn].first / 8) + dst_ofs * dst_step,
+ ((unsigned char *)src_areas[chn].addr + src_areas[chn].first / 8) + src_ofs * src_step,
+ dmix->u.dmix.sum_buffer + channels * dst_ofs + chn,
+ dst_step,
+ src_step,
+ channels * sizeof(signed int));
+ }
+}
+
+/*
+ * if no concurrent access is allowed in the mixing routines, we need to protect
+ * the area via semaphore
+ */
+#ifndef DOC_HIDDEN
+#ifdef NO_CONCURRENT_ACCESS
+#define dmix_down_sem(dmix) snd_pcm_direct_semaphore_down(dmix, DIRECT_IPC_SEM_CLIENT)
+#define dmix_up_sem(dmix) snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT)
+#else
+#define dmix_down_sem(dmix)
+#define dmix_up_sem(dmix)
+#endif
+#endif
+
+/*
+ * synchronize shm ring buffer with hardware
+ */
+static void snd_pcm_dmix_sync_area(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ snd_pcm_uframes_t slave_hw_ptr, slave_appl_ptr, slave_size;
+ snd_pcm_uframes_t appl_ptr, size, transfer;
+ const snd_pcm_channel_area_t *src_areas, *dst_areas;
+
+ /* calculate the size to transfer */
+ /* check the available size in the local buffer
+ * last_appl_ptr keeps the last updated position
+ */
+ size = dmix->appl_ptr - dmix->last_appl_ptr;
+ if (! size)
+ return;
+ if (size >= pcm->boundary / 2)
+ size = pcm->boundary - size;
+
+ /* the slave_app_ptr can be far behind the slave_hw_ptr */
+ /* reduce mixing and errors here - just skip not catched writes */
+ if (dmix->slave_hw_ptr <= dmix->slave_appl_ptr)
+ slave_size = dmix->slave_appl_ptr - dmix->slave_hw_ptr;
+ else
+ slave_size = dmix->slave_appl_ptr + (dmix->slave_boundary - dmix->slave_hw_ptr);
+ if (slave_size > dmix->slave_buffer_size) {
+ transfer = dmix->slave_buffer_size - slave_size;
+ if (transfer > size)
+ transfer = size;
+ dmix->last_appl_ptr += transfer;
+ dmix->last_appl_ptr %= pcm->boundary;
+ dmix->slave_appl_ptr += transfer;
+ dmix->slave_appl_ptr %= dmix->slave_boundary;
+ size = dmix->appl_ptr - dmix->last_appl_ptr;
+ if (! size)
+ return;
+ if (size >= pcm->boundary / 2)
+ size = pcm->boundary - size;
+ }
+
+ /* check the available size in the slave PCM buffer */
+ slave_hw_ptr = dmix->slave_hw_ptr;
+ /* don't write on the last active period - this area may be cleared
+ * by the driver during mix operation...
+ */
+ slave_hw_ptr -= slave_hw_ptr % dmix->slave_period_size;
+ slave_hw_ptr += dmix->slave_buffer_size;
+ if (slave_hw_ptr >= dmix->slave_boundary)
+ slave_hw_ptr -= dmix->slave_boundary;
+ if (slave_hw_ptr < dmix->slave_appl_ptr)
+ slave_size = slave_hw_ptr + (dmix->slave_boundary - dmix->slave_appl_ptr);
+ else
+ slave_size = slave_hw_ptr - dmix->slave_appl_ptr;
+ if (slave_size < size)
+ size = slave_size;
+ if (! size)
+ return;
+
+ /* add sample areas here */
+ src_areas = snd_pcm_mmap_areas(pcm);
+ dst_areas = snd_pcm_mmap_areas(dmix->spcm);
+ appl_ptr = dmix->last_appl_ptr % pcm->buffer_size;
+ dmix->last_appl_ptr += size;
+ dmix->last_appl_ptr %= pcm->boundary;
+ slave_appl_ptr = dmix->slave_appl_ptr % dmix->slave_buffer_size;
+ dmix->slave_appl_ptr += size;
+ dmix->slave_appl_ptr %= dmix->slave_boundary;
+ dmix_down_sem(dmix);
+ for (;;) {
+ transfer = size;
+ if (appl_ptr + transfer > pcm->buffer_size)
+ transfer = pcm->buffer_size - appl_ptr;
+ if (slave_appl_ptr + transfer > dmix->slave_buffer_size)
+ transfer = dmix->slave_buffer_size - slave_appl_ptr;
+ mix_areas(dmix, src_areas, dst_areas, appl_ptr, slave_appl_ptr, transfer);
+ size -= transfer;
+ if (! size)
+ break;
+ slave_appl_ptr += transfer;
+ slave_appl_ptr %= dmix->slave_buffer_size;
+ appl_ptr += transfer;
+ appl_ptr %= pcm->buffer_size;
+ }
+ dmix_up_sem(dmix);
+}
+
+/*
+ * synchronize hardware pointer (hw_ptr) with ours
+ */
+static int snd_pcm_dmix_sync_ptr(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ snd_pcm_uframes_t slave_hw_ptr, old_slave_hw_ptr, avail;
+ snd_pcm_sframes_t diff;
+
+ switch (snd_pcm_state(dmix->spcm)) {
+ case SND_PCM_STATE_DISCONNECTED:
+ dmix->state = SND_PCM_STATE_DISCONNECTED;
+ return -ENODEV;
+ default:
+ break;
+ }
+ if (dmix->slowptr)
+ snd_pcm_hwsync(dmix->spcm);
+ old_slave_hw_ptr = dmix->slave_hw_ptr;
+ slave_hw_ptr = dmix->slave_hw_ptr = *dmix->spcm->hw.ptr;
+ diff = slave_hw_ptr - old_slave_hw_ptr;
+ if (diff == 0) /* fast path */
+ return 0;
+ if (dmix->state != SND_PCM_STATE_RUNNING &&
+ dmix->state != SND_PCM_STATE_DRAINING)
+ /* not really started yet - don't update hw_ptr */
+ return 0;
+ if (diff < 0) {
+ slave_hw_ptr += dmix->slave_boundary;
+ diff = slave_hw_ptr - old_slave_hw_ptr;
+ }
+ dmix->hw_ptr += diff;
+ dmix->hw_ptr %= pcm->boundary;
+ if (pcm->stop_threshold >= pcm->boundary) /* don't care */
+ return 0;
+ avail = snd_pcm_mmap_playback_avail(pcm);
+ if (avail > dmix->avail_max)
+ dmix->avail_max = avail;
+ if (avail >= pcm->stop_threshold) {
+ snd_timer_stop(dmix->timer);
+ gettimestamp(&dmix->trigger_tstamp, pcm->tstamp_type);
+ if (dmix->state == SND_PCM_STATE_RUNNING) {
+ dmix->state = SND_PCM_STATE_XRUN;
+ return -EPIPE;
+ }
+ dmix->state = SND_PCM_STATE_SETUP;
+ /* clear queue to remove pending poll events */
+ snd_pcm_direct_clear_timer_queue(dmix);
+ }
+ return 0;
+}
+
+/*
+ * plugin implementation
+ */
+
+static snd_pcm_state_t snd_pcm_dmix_state(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ snd_pcm_state_t state;
+ state = snd_pcm_state(dmix->spcm);
+ switch (state) {
+ case SND_PCM_STATE_SUSPENDED:
+ return state;
+ case SND_PCM_STATE_DISCONNECTED:
+ return state;
+ default:
+ break;
+ }
+ if (dmix->state == STATE_RUN_PENDING)
+ return SNDRV_PCM_STATE_RUNNING;
+ return dmix->state;
+}
+
+static int snd_pcm_dmix_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ switch (dmix->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ snd_pcm_dmix_sync_ptr(pcm);
+ break;
+ default:
+ break;
+ }
+ memset(status, 0, sizeof(*status));
+ status->state = snd_pcm_dmix_state(pcm);
+ status->trigger_tstamp = dmix->trigger_tstamp;
+ gettimestamp(&status->tstamp, pcm->tstamp_type);
+ status->avail = snd_pcm_mmap_playback_avail(pcm);
+ status->avail_max = status->avail > dmix->avail_max ? status->avail : dmix->avail_max;
+ dmix->avail_max = 0;
+ return 0;
+}
+
+static int snd_pcm_dmix_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ int err;
+
+ switch(dmix->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ err = snd_pcm_dmix_sync_ptr(pcm);
+ if (err < 0)
+ return err;
+ /* fallthru */
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_SUSPENDED:
+ case STATE_RUN_PENDING:
+ *delayp = snd_pcm_mmap_playback_hw_avail(pcm);
+ return 0;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return -EBADFD;
+ }
+}
+
+static int snd_pcm_dmix_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ switch(dmix->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ /* sync slave PCM */
+ return snd_pcm_dmix_sync_ptr(pcm);
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_SUSPENDED:
+ case STATE_RUN_PENDING:
+ return 0;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return -EBADFD;
+ }
+}
+
+static int snd_pcm_dmix_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ snd_pcm_direct_check_interleave(dmix, pcm);
+ dmix->state = SND_PCM_STATE_PREPARED;
+ dmix->appl_ptr = dmix->last_appl_ptr = 0;
+ dmix->hw_ptr = 0;
+ return snd_pcm_direct_set_timer_params(dmix);
+}
+
+static void reset_slave_ptr(snd_pcm_t *pcm, snd_pcm_direct_t *dmix)
+{
+ dmix->slave_appl_ptr = dmix->slave_hw_ptr = *dmix->spcm->hw.ptr;
+ if (pcm->buffer_size > pcm->period_size * 2)
+ return;
+ /* If we have too litte periods, better to align the start position
+ * to the period boundary so that the interrupt can be handled properly
+ * at the right time.
+ */
+ dmix->slave_appl_ptr = ((dmix->slave_appl_ptr + dmix->slave_period_size - 1)
+ / dmix->slave_period_size) * dmix->slave_period_size;
+}
+
+static int snd_pcm_dmix_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ dmix->hw_ptr %= pcm->period_size;
+ dmix->appl_ptr = dmix->last_appl_ptr = dmix->hw_ptr;
+ reset_slave_ptr(pcm, dmix);
+ return 0;
+}
+
+static int snd_pcm_dmix_start_timer(snd_pcm_t *pcm, snd_pcm_direct_t *dmix)
+{
+ int err;
+
+ snd_pcm_hwsync(dmix->spcm);
+ reset_slave_ptr(pcm, dmix);
+ err = snd_timer_start(dmix->timer);
+ if (err < 0)
+ return err;
+ dmix->state = SND_PCM_STATE_RUNNING;
+ return 0;
+}
+
+static int snd_pcm_dmix_start(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ snd_pcm_sframes_t avail;
+ int err;
+
+ if (dmix->state != SND_PCM_STATE_PREPARED)
+ return -EBADFD;
+ avail = snd_pcm_mmap_playback_hw_avail(pcm);
+ if (avail == 0)
+ dmix->state = STATE_RUN_PENDING;
+ else if (avail < 0)
+ return 0;
+ else {
+ if ((err = snd_pcm_dmix_start_timer(pcm, dmix)) < 0)
+ return err;
+ snd_pcm_dmix_sync_area(pcm);
+ }
+ gettimestamp(&dmix->trigger_tstamp, pcm->tstamp_type);
+ return 0;
+}
+
+static int snd_pcm_dmix_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ if (dmix->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+ dmix->state = SND_PCM_STATE_SETUP;
+ snd_pcm_direct_timer_stop(dmix);
+ return 0;
+}
+
+static int snd_pcm_dmix_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ snd_pcm_uframes_t stop_threshold;
+ int err;
+
+ if (dmix->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+ if (pcm->mode & SND_PCM_NONBLOCK)
+ return -EAGAIN;
+ if (dmix->state == SND_PCM_STATE_PREPARED) {
+ if (snd_pcm_mmap_playback_hw_avail(pcm) > 0)
+ snd_pcm_dmix_start(pcm);
+ else {
+ snd_pcm_dmix_drop(pcm);
+ return 0;
+ }
+ }
+
+ if (dmix->state == SND_PCM_STATE_XRUN) {
+ snd_pcm_dmix_drop(pcm);
+ return 0;
+ }
+
+ stop_threshold = pcm->stop_threshold;
+ if (pcm->stop_threshold > pcm->buffer_size)
+ pcm->stop_threshold = pcm->buffer_size;
+ dmix->state = SND_PCM_STATE_DRAINING;
+ do {
+ err = snd_pcm_dmix_sync_ptr(pcm);
+ if (err < 0) {
+ snd_pcm_dmix_drop(pcm);
+ return err;
+ }
+ if (dmix->state == SND_PCM_STATE_DRAINING) {
+ snd_pcm_dmix_sync_area(pcm);
+ snd_pcm_wait_nocheck(pcm, -1);
+ snd_pcm_direct_clear_timer_queue(dmix); /* force poll to wait */
+ }
+ } while (dmix->state == SND_PCM_STATE_DRAINING);
+ pcm->stop_threshold = stop_threshold;
+ return 0;
+}
+
+static int snd_pcm_dmix_pause(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int enable ATTRIBUTE_UNUSED)
+{
+ return -EIO;
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_rewindable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_playback_hw_rewindable(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ snd_pcm_uframes_t slave_appl_ptr, slave_size;
+ snd_pcm_uframes_t appl_ptr, size, transfer, result;
+ int err;
+ const snd_pcm_channel_area_t *src_areas, *dst_areas;
+
+ if (dmix->state == SND_PCM_STATE_RUNNING ||
+ dmix->state == SND_PCM_STATE_DRAINING) {
+ err = snd_pcm_dmix_hwsync(pcm);
+ if (err < 0)
+ return err;
+ }
+
+ if (dmix->last_appl_ptr < dmix->appl_ptr)
+ size = dmix->appl_ptr - dmix->last_appl_ptr;
+ else
+ size = dmix->appl_ptr + (pcm->boundary - dmix->last_appl_ptr);
+ if (frames < size)
+ size = frames;
+ snd_pcm_mmap_appl_backward(pcm, size);
+ frames -= size;
+ if (!frames)
+ return size;
+ result = size;
+
+ if (dmix->hw_ptr < dmix->appl_ptr)
+ size = dmix->appl_ptr - dmix->hw_ptr;
+ else
+ size = dmix->appl_ptr + (pcm->boundary - dmix->hw_ptr);
+ if (size > frames)
+ size = frames;
+ if (dmix->slave_hw_ptr < dmix->slave_appl_ptr)
+ slave_size = dmix->slave_appl_ptr - dmix->slave_hw_ptr;
+ else
+ slave_size = dmix->slave_appl_ptr + (pcm->boundary - dmix->slave_hw_ptr);
+ if (slave_size < size)
+ size = slave_size;
+ frames -= size;
+ result += size;
+
+ /* add sample areas here */
+ src_areas = snd_pcm_mmap_areas(pcm);
+ dst_areas = snd_pcm_mmap_areas(dmix->spcm);
+ dmix->last_appl_ptr -= size;
+ dmix->last_appl_ptr %= pcm->boundary;
+ appl_ptr = dmix->last_appl_ptr % pcm->buffer_size;
+ dmix->slave_appl_ptr -= size;
+ dmix->slave_appl_ptr %= dmix->slave_boundary;
+ slave_appl_ptr = dmix->slave_appl_ptr % dmix->slave_buffer_size;
+ dmix_down_sem(dmix);
+ for (;;) {
+ transfer = size;
+ if (appl_ptr + transfer > pcm->buffer_size)
+ transfer = pcm->buffer_size - appl_ptr;
+ if (slave_appl_ptr + transfer > dmix->slave_buffer_size)
+ transfer = dmix->slave_buffer_size - slave_appl_ptr;
+ remix_areas(dmix, src_areas, dst_areas, appl_ptr, slave_appl_ptr, transfer);
+ size -= transfer;
+ if (! size)
+ break;
+ slave_appl_ptr += transfer;
+ slave_appl_ptr %= dmix->slave_buffer_size;
+ appl_ptr += transfer;
+ appl_ptr %= pcm->buffer_size;
+ }
+ dmix->last_appl_ptr -= frames;
+ dmix->last_appl_ptr %= pcm->boundary;
+ dmix->slave_appl_ptr -= frames;
+ dmix->slave_appl_ptr %= dmix->slave_boundary;
+ dmix_up_sem(dmix);
+
+ snd_pcm_mmap_appl_backward(pcm, frames);
+
+ return result + frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_forwardable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_avail(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_sframes_t avail;
+
+ avail = snd_pcm_dmix_forwardable(pcm);
+ if (frames > (snd_pcm_uframes_t)avail)
+ frames = avail;
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_readi(snd_pcm_t *pcm ATTRIBUTE_UNUSED, void *buffer ATTRIBUTE_UNUSED, snd_pcm_uframes_t size ATTRIBUTE_UNUSED)
+{
+ return -ENODEV;
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_readn(snd_pcm_t *pcm ATTRIBUTE_UNUSED, void **bufs ATTRIBUTE_UNUSED, snd_pcm_uframes_t size ATTRIBUTE_UNUSED)
+{
+ return -ENODEV;
+}
+
+static int snd_pcm_dmix_close(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ if (dmix->timer)
+ snd_timer_close(dmix->timer);
+ snd_pcm_direct_semaphore_down(dmix, DIRECT_IPC_SEM_CLIENT);
+ snd_pcm_close(dmix->spcm);
+ if (dmix->server)
+ snd_pcm_direct_server_discard(dmix);
+ if (dmix->client)
+ snd_pcm_direct_client_discard(dmix);
+ shm_sum_discard(dmix);
+ if (snd_pcm_direct_shm_discard(dmix)) {
+ if (snd_pcm_direct_semaphore_discard(dmix))
+ snd_pcm_direct_semaphore_final(dmix, DIRECT_IPC_SEM_CLIENT);
+ } else
+ snd_pcm_direct_semaphore_final(dmix, DIRECT_IPC_SEM_CLIENT);
+ free(dmix->bindings);
+ pcm->private_data = NULL;
+ free(dmix);
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ int err;
+
+ switch (snd_pcm_state(dmix->spcm)) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SND_PCM_STATE_SUSPENDED:
+ return -ESTRPIPE;
+ default:
+ break;
+ }
+ if (! size)
+ return 0;
+ snd_pcm_mmap_appl_forward(pcm, size);
+ if (dmix->state == STATE_RUN_PENDING) {
+ if ((err = snd_pcm_dmix_start_timer(pcm, dmix)) < 0)
+ return err;
+ } else if (dmix->state == SND_PCM_STATE_RUNNING ||
+ dmix->state == SND_PCM_STATE_DRAINING)
+ snd_pcm_dmix_sync_ptr(pcm);
+ if (dmix->state == SND_PCM_STATE_RUNNING ||
+ dmix->state == SND_PCM_STATE_DRAINING) {
+ /* ok, we commit the changes after the validation of area */
+ /* it's intended, although the result might be crappy */
+ snd_pcm_dmix_sync_area(pcm);
+ /* clear timer queue to avoid a bogus return from poll */
+ if (snd_pcm_mmap_playback_avail(pcm) < pcm->avail_min)
+ snd_pcm_direct_clear_timer_queue(dmix);
+ }
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_dmix_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ if (dmix->state == SND_PCM_STATE_RUNNING ||
+ dmix->state == SND_PCM_STATE_DRAINING)
+ snd_pcm_dmix_sync_ptr(pcm);
+ return snd_pcm_mmap_playback_avail(pcm);
+}
+
+static int snd_pcm_dmix_htimestamp(snd_pcm_t *pcm,
+ snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ snd_pcm_uframes_t avail1;
+ int ok = 0;
+
+ while (1) {
+ if (dmix->state == SND_PCM_STATE_RUNNING ||
+ dmix->state == SND_PCM_STATE_DRAINING)
+ snd_pcm_dmix_sync_ptr(pcm);
+ avail1 = snd_pcm_mmap_playback_avail(pcm);
+ if (ok && *avail == avail1)
+ break;
+ *avail = avail1;
+ *tstamp = snd_pcm_hw_fast_tstamp(dmix->spcm);
+ ok = 1;
+ }
+ return 0;
+}
+
+static int snd_pcm_dmix_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+ if (dmix->state == SND_PCM_STATE_RUNNING)
+ snd_pcm_dmix_sync_area(pcm);
+ return snd_pcm_direct_poll_revents(pcm, pfds, nfds, revents);
+}
+
+
+static void snd_pcm_dmix_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_direct_t *dmix = pcm->private_data;
+
+ snd_output_printf(out, "Direct Stream Mixing PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ if (dmix->spcm)
+ snd_pcm_dump(dmix->spcm, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_dmix_ops = {
+ .close = snd_pcm_dmix_close,
+ .info = snd_pcm_direct_info,
+ .hw_refine = snd_pcm_direct_hw_refine,
+ .hw_params = snd_pcm_direct_hw_params,
+ .hw_free = snd_pcm_direct_hw_free,
+ .sw_params = snd_pcm_direct_sw_params,
+ .channel_info = snd_pcm_direct_channel_info,
+ .dump = snd_pcm_dmix_dump,
+ .nonblock = snd_pcm_direct_nonblock,
+ .async = snd_pcm_direct_async,
+ .mmap = snd_pcm_direct_mmap,
+ .munmap = snd_pcm_direct_munmap,
+ .query_chmaps = snd_pcm_direct_query_chmaps,
+ .get_chmap = snd_pcm_direct_get_chmap,
+ .set_chmap = snd_pcm_direct_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_dmix_fast_ops = {
+ .status = snd_pcm_dmix_status,
+ .state = snd_pcm_dmix_state,
+ .hwsync = snd_pcm_dmix_hwsync,
+ .delay = snd_pcm_dmix_delay,
+ .prepare = snd_pcm_dmix_prepare,
+ .reset = snd_pcm_dmix_reset,
+ .start = snd_pcm_dmix_start,
+ .drop = snd_pcm_dmix_drop,
+ .drain = snd_pcm_dmix_drain,
+ .pause = snd_pcm_dmix_pause,
+ .rewindable = snd_pcm_dmix_rewindable,
+ .rewind = snd_pcm_dmix_rewind,
+ .forwardable = snd_pcm_dmix_forwardable,
+ .forward = snd_pcm_dmix_forward,
+ .resume = snd_pcm_direct_resume,
+ .link = NULL,
+ .link_slaves = NULL,
+ .unlink = NULL,
+ .writei = snd_pcm_mmap_writei,
+ .writen = snd_pcm_mmap_writen,
+ .readi = snd_pcm_dmix_readi,
+ .readn = snd_pcm_dmix_readn,
+ .avail_update = snd_pcm_dmix_avail_update,
+ .mmap_commit = snd_pcm_dmix_mmap_commit,
+ .htimestamp = snd_pcm_dmix_htimestamp,
+ .poll_descriptors = NULL,
+ .poll_descriptors_count = NULL,
+ .poll_revents = snd_pcm_dmix_poll_revents,
+};
+
+/**
+ * \brief Creates a new dmix PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param opts Direct PCM configurations
+ * \param params Parameters for slave
+ * \param root Configuration root
+ * \param sconf Slave configuration
+ * \param stream PCM Direction (stream)
+ * \param mode PCM Mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
+ struct snd_pcm_direct_open_conf *opts,
+ struct slave_params *params,
+ snd_config_t *root, snd_config_t *sconf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_pcm_t *pcm = NULL, *spcm = NULL;
+ snd_pcm_direct_t *dmix = NULL;
+ int ret, first_instance;
+ int fail_sem_loop = 10;
+
+ assert(pcmp);
+
+ if (stream != SND_PCM_STREAM_PLAYBACK) {
+ SNDERR("The dmix plugin supports only playback stream");
+ return -EINVAL;
+ }
+
+ dmix = calloc(1, sizeof(snd_pcm_direct_t));
+ if (!dmix) {
+ ret = -ENOMEM;
+ goto _err_nosem;
+ }
+
+ ret = snd_pcm_direct_parse_bindings(dmix, params, opts->bindings);
+ if (ret < 0)
+ goto _err_nosem;
+
+ dmix->ipc_key = opts->ipc_key;
+ dmix->ipc_perm = opts->ipc_perm;
+ dmix->ipc_gid = opts->ipc_gid;
+ dmix->semid = -1;
+ dmix->shmid = -1;
+
+ ret = snd_pcm_new(&pcm, dmix->type = SND_PCM_TYPE_DMIX, name, stream, mode);
+ if (ret < 0)
+ goto _err;
+
+
+ while (1) {
+ ret = snd_pcm_direct_semaphore_create_or_connect(dmix);
+ if (ret < 0) {
+ SNDERR("unable to create IPC semaphore");
+ goto _err_nosem;
+ }
+ ret = snd_pcm_direct_semaphore_down(dmix, DIRECT_IPC_SEM_CLIENT);
+ if (ret < 0) {
+ snd_pcm_direct_semaphore_discard(dmix);
+ if (--fail_sem_loop <= 0)
+ goto _err_nosem;
+ continue;
+ }
+ break;
+ }
+
+ first_instance = ret = snd_pcm_direct_shm_create_or_connect(dmix);
+ if (ret < 0) {
+ SNDERR("unable to create IPC shm instance");
+ goto _err;
+ }
+
+ pcm->ops = &snd_pcm_dmix_ops;
+ pcm->fast_ops = &snd_pcm_dmix_fast_ops;
+ pcm->private_data = dmix;
+ dmix->state = SND_PCM_STATE_OPEN;
+ dmix->slowptr = opts->slowptr;
+ dmix->max_periods = opts->max_periods;
+ dmix->sync_ptr = snd_pcm_dmix_sync_ptr;
+
+ if (first_instance) {
+ /* recursion is already checked in
+ snd_pcm_direct_get_slave_ipc_offset() */
+ ret = snd_pcm_open_slave(&spcm, root, sconf, stream,
+ mode | SND_PCM_NONBLOCK, NULL);
+ if (ret < 0) {
+ SNDERR("unable to open slave");
+ goto _err;
+ }
+
+ if (snd_pcm_type(spcm) != SND_PCM_TYPE_HW) {
+ SNDERR("dmix plugin can be only connected to hw plugin");
+ ret = -EINVAL;
+ goto _err;
+ }
+
+ ret = snd_pcm_direct_initialize_slave(dmix, spcm, params);
+ if (ret < 0) {
+ SNDERR("unable to initialize slave");
+ goto _err;
+ }
+
+ dmix->spcm = spcm;
+
+ if (dmix->shmptr->use_server) {
+ dmix->server_free = dmix_server_free;
+
+ ret = snd_pcm_direct_server_create(dmix);
+ if (ret < 0) {
+ SNDERR("unable to create server");
+ goto _err;
+ }
+ }
+
+ dmix->shmptr->type = spcm->type;
+ } else {
+ if (dmix->shmptr->use_server) {
+ /* up semaphore to avoid deadlock */
+ snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
+ ret = snd_pcm_direct_client_connect(dmix);
+ if (ret < 0) {
+ SNDERR("unable to connect client");
+ goto _err_nosem;
+ }
+
+ snd_pcm_direct_semaphore_down(dmix, DIRECT_IPC_SEM_CLIENT);
+ ret = snd_pcm_direct_open_secondary_client(&spcm, dmix, "dmix_client");
+ if (ret < 0)
+ goto _err;
+ } else {
+
+ ret = snd_pcm_open_slave(&spcm, root, sconf, stream,
+ mode | SND_PCM_NONBLOCK |
+ SND_PCM_APPEND,
+ NULL);
+ if (ret < 0) {
+ SNDERR("unable to open slave");
+ goto _err;
+ }
+ if (snd_pcm_type(spcm) != SND_PCM_TYPE_HW) {
+ SNDERR("dmix plugin can be only connected to hw plugin");
+ ret = -EINVAL;
+ goto _err;
+ }
+
+ ret = snd_pcm_direct_initialize_secondary_slave(dmix, spcm, params);
+ if (ret < 0) {
+ SNDERR("unable to initialize slave");
+ goto _err;
+ }
+ }
+
+ dmix->spcm = spcm;
+ }
+
+ ret = shm_sum_create_or_connect(dmix);
+ if (ret < 0) {
+ SNDERR("unable to initialize sum ring buffer");
+ goto _err;
+ }
+
+ ret = snd_pcm_direct_initialize_poll_fd(dmix);
+ if (ret < 0) {
+ SNDERR("unable to initialize poll_fd");
+ goto _err;
+ }
+
+ mix_select_callbacks(dmix);
+
+ pcm->poll_fd = dmix->poll_fd;
+ pcm->poll_events = POLLIN; /* it's different than other plugins */
+ pcm->tstamp_type = spcm->tstamp_type;
+ pcm->mmap_rw = 1;
+ snd_pcm_set_hw_ptr(pcm, &dmix->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &dmix->appl_ptr, -1, 0);
+
+ if (dmix->channels == UINT_MAX)
+ dmix->channels = dmix->shmptr->s.channels;
+
+ snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
+
+ *pcmp = pcm;
+ return 0;
+
+ _err:
+ if (dmix->timer)
+ snd_timer_close(dmix->timer);
+ if (dmix->server)
+ snd_pcm_direct_server_discard(dmix);
+ if (dmix->client)
+ snd_pcm_direct_client_discard(dmix);
+ if (spcm)
+ snd_pcm_close(spcm);
+ if (dmix->u.dmix.shmid_sum >= 0)
+ shm_sum_discard(dmix);
+ if (dmix->shmid >= 0)
+ snd_pcm_direct_shm_discard(dmix);
+ if (snd_pcm_direct_semaphore_discard(dmix) < 0)
+ snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
+ _err_nosem:
+ if (dmix) {
+ free(dmix->bindings);
+ free(dmix);
+ }
+ if (pcm)
+ snd_pcm_free(pcm);
+ return ret;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_dmix Plugin: dmix
+
+This plugin provides direct mixing of multiple streams. The resolution
+for 32-bit mixing is only 24-bit. The low significant byte is filled with
+zeros. The extra 8 bits are used for the saturation.
+
+\code
+pcm.name {
+ type dmix # Direct mix
+ ipc_key INT # unique IPC key
+ ipc_key_add_uid BOOL # add current uid to unique IPC key
+ ipc_perm INT # IPC permissions (octal, default 0600)
+ slave STR
+ # or
+ slave { # Slave definition
+ pcm STR # slave PCM name
+ # or
+ pcm { } # slave PCM definition
+ format STR # format definition
+ rate INT # rate definition
+ channels INT
+ period_time INT # in usec
+ # or
+ period_size INT # in bytes
+ buffer_time INT # in usec
+ # or
+ buffer_size INT # in bytes
+ periods INT # when buffer_size or buffer_time is not specified
+ }
+ bindings { # note: this is client independent!!!
+ N INT # maps slave channel to client channel N
+ }
+ slowptr BOOL # slow but more precise pointer updates
+}
+\endcode
+
+<code>ipc_key</code> specfies the unique IPC key in integer.
+This number must be unique for each different dmix definition,
+since the shared memory is created with this key number.
+When <code>ipc_key_add_uid</code> is set true, the uid value is
+added to the value set in <code>ipc_key</code>. This will
+avoid the confliction of the same IPC key with different users
+concurrently.
+
+Note that the dmix plugin itself supports only a single configuration.
+That is, it supports only the fixed rate (default 48000), format
+(\c S16), channels (2), and period_time (125000).
+For using other configuration, you have to set the value explicitly
+in the slave PCM definition. The rate, format and channels can be
+covered by an additional \ref pcm_plugins_dmix "plug plugin",
+but there is only one base configuration, anyway.
+
+An example configuration for setting 44100 Hz, \c S32_LE format
+as the slave PCM of "hw:0" is like below:
+\code
+pcm.dmix_44 {
+ type dmix
+ ipc_key 321456 # any unique value
+ ipc_key_add_uid true
+ slave {
+ pcm "hw:0"
+ format S32_LE
+ rate 44100
+ }
+}
+\endcode
+You can hear 48000 Hz samples still using this dmix pcm via plug plugin
+like:
+\code
+% aplay -Dplug:dmix_44 foo_48k.wav
+\endcode
+
+For using the dmix plugin for OSS emulation device, you have to set
+the period and the buffer sizes in power of two. For example,
+\code
+pcm.dmixoss {
+ type dmix
+ ipc_key 321456 # any unique value
+ ipc_key_add_uid true
+ slave {
+ pcm "hw:0"
+ period_time 0
+ period_size 1024 # must be power of 2
+ buffer_size 8192 # ditto
+ }
+}
+\endcode
+<code>period_time 0</code> must be set, too, for resetting the
+default value. In the case of soundcards with multi-channel IO,
+adding the bindings would help
+\code
+pcm.dmixoss {
+ ...
+ bindings {
+ 0 0 # map from 0 to 0
+ 1 1 # map from 1 to 1
+ }
+}
+\endcode
+so that only the first two channels are used by dmix.
+Also, note that ICE1712 have the limited buffer size, 5513 frames
+(corresponding to 640 kB). In this case, reduce the buffer_size
+to 4096.
+
+\subsection pcm_plugins_dmix_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_dmix_open()
+ <LI>_snd_pcm_dmix_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new dmix PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with dmix PCM description
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_t *sconf;
+ struct slave_params params;
+ struct snd_pcm_direct_open_conf dopen;
+ int bsize, psize;
+ int err;
+
+ err = snd_pcm_direct_parse_open_conf(root, conf, stream, &dopen);
+ if (err < 0)
+ return err;
+
+ /* the default settings, it might be invalid for some hardware */
+ params.format = SND_PCM_FORMAT_S16;
+ params.rate = 48000;
+ params.channels = 2;
+ params.period_time = -1;
+ params.buffer_time = -1;
+ bsize = psize = -1;
+ params.periods = 3;
+
+ err = snd_pcm_slave_conf(root, dopen.slave, &sconf, 8,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_UNCHANGED, ¶ms.format,
+ SND_PCM_HW_PARAM_RATE, 0, ¶ms.rate,
+ SND_PCM_HW_PARAM_CHANNELS, 0, ¶ms.channels,
+ SND_PCM_HW_PARAM_PERIOD_TIME, 0, ¶ms.period_time,
+ SND_PCM_HW_PARAM_BUFFER_TIME, 0, ¶ms.buffer_time,
+ SND_PCM_HW_PARAM_PERIOD_SIZE, 0, &psize,
+ SND_PCM_HW_PARAM_BUFFER_SIZE, 0, &bsize,
+ SND_PCM_HW_PARAM_PERIODS, 0, ¶ms.periods);
+ if (err < 0)
+ return err;
+
+ /* set a reasonable default */
+ if (psize == -1 && params.period_time == -1)
+ params.period_time = 125000; /* 0.125 seconds */
+
+ if (params.format == -2)
+ params.format = SND_PCM_FORMAT_UNKNOWN;
+ else if (!(dmix_supported_format & (1ULL << params.format))) {
+ /* sorry, limited features */
+ SNDERR("Unsupported format");
+ snd_config_delete(sconf);
+ return -EINVAL;
+ }
+
+ params.period_size = psize;
+ params.buffer_size = bsize;
+
+ err = snd_pcm_dmix_open(pcmp, name, &dopen, ¶ms,
+ root, sconf, stream, mode);
+ snd_config_delete(sconf);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_dmix_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_dmix_generic.c b/src/pcm/pcm_dmix_generic.c
new file mode 100644
index 0000000..9e9d3c3
--- /dev/null
+++ b/src/pcm/pcm_dmix_generic.c
@@ -0,0 +1,535 @@
+#if 0
+//#if defined(__i386__) || defined(__x86_64__)
+#define LOCK_PREFIX "lock ; "
+#define ARCH_ADD(p,a) \
+ __asm__ __volatile__(LOCK_PREFIX "addl %1,%0" \
+ :"=m" (*p) \
+ :"ir" (a), "m" (*p))
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ unsigned long prev;
+ switch (size) {
+ case 1:
+ __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ case 2:
+ __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ case 4:
+ __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
+ : "=a"(prev)
+ : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "memory");
+ return prev;
+ }
+ return old;
+}
+
+#define ARCH_CMPXCHG(ptr,o,n)\
+ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
+ (unsigned long)(n),sizeof(*(ptr))))
+#define IS_CONCURRENT 1 /* check race */
+#endif
+
+#ifndef ARCH_ADD
+#define ARCH_ADD(p,a) (*(p) += (a))
+#define ARCH_CMPXCHG(p,a,b) (*(p)) /* fake */
+#define NO_CONCURRENT_ACCESS /* use semaphore to avoid race */
+#define IS_CONCURRENT 0 /* no race check */
+#endif
+
+#if IS_CONCURRENT
+static void mix_areas_16(unsigned int size,
+ volatile signed short *dst, signed short *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ register signed int sample, old_sample;
+
+ for (;;) {
+ sample = *src;
+ old_sample = *sum;
+ if (ARCH_CMPXCHG(dst, 0, 1) == 0)
+ sample -= old_sample;
+ ARCH_ADD(sum, sample);
+ do {
+ old_sample = *sum;
+ if (old_sample > 0x7fff)
+ sample = 0x7fff;
+ else if (old_sample < -0x8000)
+ sample = -0x8000;
+ else
+ sample = old_sample;
+ *dst = sample;
+ } while (IS_CONCURRENT && *sum != old_sample);
+ if (!--size)
+ return;
+ src = (signed short *) ((char *)src + src_step);
+ dst = (signed short *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void mix_areas_32(unsigned int size,
+ volatile signed int *dst, signed int *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ register signed int sample, old_sample;
+
+ for (;;) {
+ sample = *src >> 8;
+ old_sample = *sum;
+ if (ARCH_CMPXCHG(dst, 0, 1) == 0)
+ sample -= old_sample;
+ ARCH_ADD(sum, sample);
+ do {
+ old_sample = *sum;
+ if (old_sample > 0x7fffff)
+ sample = 0x7fffffff;
+ else if (old_sample < -0x800000)
+ sample = -0x80000000;
+ else
+ sample = old_sample * 256;
+ *dst = sample;
+ } while (IS_CONCURRENT && *sum != old_sample);
+ if (!--size)
+ return;
+ src = (signed int *) ((char *)src + src_step);
+ dst = (signed int *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void mix_select_callbacks(snd_pcm_direct_t *dmix)
+{
+ dmix->u.dmix.mix_areas_16 = mix_areas_16;
+ dmix->u.dmix.mix_areas_32 = mix_areas_32;
+}
+
+#else
+
+/* non-concurrent version, supporting both endians */
+#define generic_dmix_supported_format \
+ ((1ULL << SND_PCM_FORMAT_S16_LE) | (1ULL << SND_PCM_FORMAT_S32_LE) |\
+ (1ULL << SND_PCM_FORMAT_S16_BE) | (1ULL << SND_PCM_FORMAT_S32_BE) |\
+ (1ULL << SND_PCM_FORMAT_S24_LE) | (1ULL << SND_PCM_FORMAT_S24_3LE) | \
+ (1ULL << SND_PCM_FORMAT_U8))
+
+#include <byteswap.h>
+
+static void generic_mix_areas_16_native(unsigned int size,
+ volatile signed short *dst,
+ signed short *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = *src;
+ if (! *dst) {
+ *sum = sample;
+ *dst = *src;
+ } else {
+ sample += *sum;
+ *sum = sample;
+ if (sample > 0x7fff)
+ sample = 0x7fff;
+ else if (sample < -0x8000)
+ sample = -0x8000;
+ *dst = sample;
+ }
+ if (!--size)
+ return;
+ src = (signed short *) ((char *)src + src_step);
+ dst = (signed short *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_remix_areas_16_native(unsigned int size,
+ volatile signed short *dst,
+ signed short *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = *src;
+ if (! *dst) {
+ *sum = -sample;
+ *dst = -sample;
+ } else {
+ *sum = sample = *sum - sample;
+ if (sample > 0x7fff)
+ sample = 0x7fff;
+ else if (sample < -0x8000)
+ sample = -0x8000;
+ *dst = sample;
+ }
+ if (!--size)
+ return;
+ src = (signed short *) ((char *)src + src_step);
+ dst = (signed short *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_mix_areas_32_native(unsigned int size,
+ volatile signed int *dst,
+ signed int *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = *src >> 8;
+ if (! *dst) {
+ *sum = sample;
+ *dst = *src;
+ } else {
+ sample += *sum;
+ *sum = sample;
+ if (sample > 0x7fffff)
+ sample = 0x7fffffff;
+ else if (sample < -0x800000)
+ sample = -0x80000000;
+ else
+ sample *= 256;
+ *dst = sample;
+ }
+ if (!--size)
+ return;
+ src = (signed int *) ((char *)src + src_step);
+ dst = (signed int *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_remix_areas_32_native(unsigned int size,
+ volatile signed int *dst,
+ signed int *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = *src >> 8;
+ if (! *dst) {
+ *sum = -sample;
+ *dst = -*src;
+ } else {
+ *sum = sample = *sum - sample;
+ if (sample > 0x7fffff)
+ sample = 0x7fffffff;
+ else if (sample < -0x800000)
+ sample = -0x80000000;
+ else
+ sample *= 256;
+ *dst = sample;
+ }
+ if (!--size)
+ return;
+ src = (signed int *) ((char *)src + src_step);
+ dst = (signed int *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_mix_areas_16_swap(unsigned int size,
+ volatile signed short *dst,
+ signed short *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = (signed short) bswap_16(*src);
+ if (! *dst) {
+ *sum = sample;
+ *dst = *src;
+ } else {
+ sample += *sum;
+ *sum = sample;
+ if (sample > 0x7fff)
+ sample = 0x7fff;
+ else if (sample < -0x8000)
+ sample = -0x8000;
+ *dst = (signed short) bswap_16((signed short) sample);
+ }
+ if (!--size)
+ return;
+ src = (signed short *) ((char *)src + src_step);
+ dst = (signed short *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_remix_areas_16_swap(unsigned int size,
+ volatile signed short *dst,
+ signed short *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = (signed short) bswap_16(*src);
+ if (! *dst) {
+ *sum = -sample;
+ *dst = (signed short) bswap_16((signed short) -sample);
+ } else {
+ *sum = sample = *sum - sample;
+ if (sample > 0x7fff)
+ sample = 0x7fff;
+ else if (sample < -0x8000)
+ sample = -0x8000;
+ *dst = (signed short) bswap_16((signed short) sample);
+ }
+ if (!--size)
+ return;
+ src = (signed short *) ((char *)src + src_step);
+ dst = (signed short *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_mix_areas_32_swap(unsigned int size,
+ volatile signed int *dst,
+ signed int *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = bswap_32(*src) >> 8;
+ if (! *dst) {
+ *sum = sample;
+ *dst = *src;
+ } else {
+ sample += *sum;
+ *sum = sample;
+ if (sample > 0x7fffff)
+ sample = 0x7fffffff;
+ else if (sample < -0x800000)
+ sample = -0x80000000;
+ else
+ sample *= 256;
+ *dst = bswap_32(sample);
+ }
+ if (!--size)
+ return;
+ src = (signed int *) ((char *)src + src_step);
+ dst = (signed int *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_remix_areas_32_swap(unsigned int size,
+ volatile signed int *dst,
+ signed int *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = bswap_32(*src) >> 8;
+ if (! *dst) {
+ *sum = -sample;
+ *dst = bswap_32(-sample);
+ } else {
+ *sum = sample = *sum - sample;
+ if (sample > 0x7fffff)
+ sample = 0x7fffffff;
+ else if (sample < -0x800000)
+ sample = -0x80000000;
+ else
+ sample *= 256;
+ *dst = bswap_32(sample);
+ }
+ if (!--size)
+ return;
+ src = (signed int *) ((char *)src + src_step);
+ dst = (signed int *) ((char *)dst + dst_step);
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+/* always little endian */
+static void generic_mix_areas_24(unsigned int size,
+ volatile unsigned char *dst,
+ unsigned char *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = src[0] | (src[1] << 8) | (((signed char *)src)[2] << 16);
+ if (!(dst[0] | dst[1] | dst[2])) {
+ *sum = sample;
+ } else {
+ sample += *sum;
+ *sum = sample;
+ if (sample > 0x7fffff)
+ sample = 0x7fffff;
+ else if (sample < -0x800000)
+ sample = -0x800000;
+ }
+ dst[0] = sample;
+ dst[1] = sample >> 8;
+ dst[2] = sample >> 16;
+ if (!--size)
+ return;
+ dst += dst_step;
+ src += src_step;
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_remix_areas_24(unsigned int size,
+ volatile unsigned char *dst,
+ unsigned char *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ register signed int sample;
+
+ for (;;) {
+ sample = src[0] | (src[1] << 8) | (((signed char *)src)[2] << 16);
+ if (!(dst[0] | dst[1] | dst[2])) {
+ sample = -sample;
+ *sum = sample;
+ } else {
+ *sum = sample = *sum - sample;
+ if (sample > 0x7fffff)
+ sample = 0x7fffff;
+ else if (sample < -0x800000)
+ sample = -0x800000;
+ }
+ dst[0] = sample;
+ dst[1] = sample >> 8;
+ dst[2] = sample >> 16;
+ if (!--size)
+ return;
+ dst += dst_step;
+ src += src_step;
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_mix_areas_u8(unsigned int size,
+ volatile unsigned char *dst,
+ unsigned char *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ for (;;) {
+ register int sample = *src - 0x80;
+ if (*dst == 0x80) {
+ *sum = sample;
+ } else {
+ sample += *sum;
+ *sum = sample;
+ if (sample > 0x7f)
+ sample = 0x7f;
+ else if (sample < -0x80)
+ sample = -0x80;
+ }
+ *dst = sample + 0x80;
+ if (!--size)
+ return;
+ dst += dst_step;
+ src += src_step;
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+static void generic_remix_areas_u8(unsigned int size,
+ volatile unsigned char *dst,
+ unsigned char *src,
+ volatile signed int *sum,
+ size_t dst_step,
+ size_t src_step,
+ size_t sum_step)
+{
+ for (;;) {
+ register int sample = *src - 0x80;
+ if (*dst == 0x80) {
+ sample = -sample;
+ *sum = sample;
+ } else {
+ *sum = sample = *sum - sample;
+ if (sample > 0x7f)
+ sample = 0x7f;
+ else if (sample < -0x80)
+ sample = -0x80;
+ }
+ *dst = sample + 0x80;
+ if (!--size)
+ return;
+ dst += dst_step;
+ src += src_step;
+ sum = (signed int *) ((char *)sum + sum_step);
+ }
+}
+
+
+static void generic_mix_select_callbacks(snd_pcm_direct_t *dmix)
+{
+ if (snd_pcm_format_cpu_endian(dmix->shmptr->s.format)) {
+ dmix->u.dmix.mix_areas_16 = generic_mix_areas_16_native;
+ dmix->u.dmix.mix_areas_32 = generic_mix_areas_32_native;
+ dmix->u.dmix.remix_areas_16 = generic_remix_areas_16_native;
+ dmix->u.dmix.remix_areas_32 = generic_remix_areas_32_native;
+ } else {
+ dmix->u.dmix.mix_areas_16 = generic_mix_areas_16_swap;
+ dmix->u.dmix.mix_areas_32 = generic_mix_areas_32_swap;
+ dmix->u.dmix.remix_areas_16 = generic_remix_areas_16_swap;
+ dmix->u.dmix.remix_areas_32 = generic_remix_areas_32_swap;
+ }
+ dmix->u.dmix.mix_areas_24 = generic_mix_areas_24;
+ dmix->u.dmix.mix_areas_u8 = generic_mix_areas_u8;
+ dmix->u.dmix.remix_areas_24 = generic_remix_areas_24;
+ dmix->u.dmix.remix_areas_u8 = generic_remix_areas_u8;
+}
+
+#endif
diff --git a/src/pcm/pcm_dmix_i386.c b/src/pcm/pcm_dmix_i386.c
new file mode 100644
index 0000000..dcc6b9a
--- /dev/null
+++ b/src/pcm/pcm_dmix_i386.c
@@ -0,0 +1,133 @@
+/*
+ * optimized mixing code for i386
+ */
+
+#define MIX_AREAS_16 mix_areas_16
+#define MIX_AREAS_16_MMX mix_areas_16_mmx
+#define MIX_AREAS_32 mix_areas_32
+#define MIX_AREAS_24 mix_areas_24
+#define MIX_AREAS_24_CMOV mix_areas_24_cmov
+#define LOCK_PREFIX ""
+#define XADD "addl"
+#define XSUB "subl"
+#include "pcm_dmix_i386.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_16_MMX
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef MIX_AREAS_24_CMOV
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define MIX_AREAS_16 remix_areas_16
+#define MIX_AREAS_16_MMX remix_areas_16_mmx
+#define MIX_AREAS_32 remix_areas_32
+#define MIX_AREAS_24 remix_areas_24
+#define MIX_AREAS_24_CMOV remix_areas_24_cmov
+#define LOCK_PREFIX ""
+#define XADD "subl"
+#define XSUB "addl"
+#include "pcm_dmix_i386.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_16_MMX
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef MIX_AREAS_24_CMOV
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define MIX_AREAS_16 mix_areas_16_smp
+#define MIX_AREAS_16_MMX mix_areas_16_smp_mmx
+#define MIX_AREAS_32 mix_areas_32_smp
+#define MIX_AREAS_24 mix_areas_24_smp
+#define MIX_AREAS_24_CMOV mix_areas_24_smp_cmov
+#define LOCK_PREFIX "lock ; "
+#define XADD "addl"
+#define XSUB "subl"
+#include "pcm_dmix_i386.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_16_MMX
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef MIX_AREAS_24_CMOV
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define MIX_AREAS_16 remix_areas_16_smp
+#define MIX_AREAS_16_MMX remix_areas_16_smp_mmx
+#define MIX_AREAS_32 remix_areas_32_smp
+#define MIX_AREAS_24 remix_areas_24_smp
+#define MIX_AREAS_24_CMOV remix_areas_24_smp_cmov
+#define LOCK_PREFIX "lock ; "
+#define XADD "subl"
+#define XSUB "addl"
+#include "pcm_dmix_i386.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_16_MMX
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef MIX_AREAS_24_CMOV
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define i386_dmix_supported_format \
+ ((1ULL << SND_PCM_FORMAT_S16_LE) |\
+ (1ULL << SND_PCM_FORMAT_S32_LE) |\
+ (1ULL << SND_PCM_FORMAT_S24_LE) |\
+ (1ULL << SND_PCM_FORMAT_S24_3LE))
+
+#define dmix_supported_format \
+ (i386_dmix_supported_format | generic_dmix_supported_format)
+
+static void mix_select_callbacks(snd_pcm_direct_t *dmix)
+{
+ static int smp = 0, mmx = 0, cmov = 0;
+
+ if (!((1ULL<< dmix->shmptr->s.format) & i386_dmix_supported_format)) {
+ generic_mix_select_callbacks(dmix);
+ return;
+ }
+
+ if (!smp) {
+ FILE *in;
+ char line[255];
+
+ /* try to determine the capabilities of the CPU */
+ in = fopen("/proc/cpuinfo", "r");
+ if (in) {
+ while (!feof(in)) {
+ fgets(line, sizeof(line), in);
+ if (!strncmp(line, "processor", 9))
+ smp++;
+ else if (!strncmp(line, "flags", 5)) {
+ if (strstr(line, " mmx"))
+ mmx = 1;
+ if (strstr(line, " cmov"))
+ cmov = 1;
+ }
+ }
+ fclose(in);
+ }
+ }
+
+ if (mmx) {
+ dmix->u.dmix.mix_areas_16 = smp > 1 ? mix_areas_16_smp_mmx : mix_areas_16_mmx;
+ dmix->u.dmix.remix_areas_16 = smp > 1 ? remix_areas_16_smp_mmx : remix_areas_16_mmx;
+ } else {
+ dmix->u.dmix.mix_areas_16 = smp > 1 ? mix_areas_16_smp : mix_areas_16;
+ dmix->u.dmix.remix_areas_16 = smp > 1 ? remix_areas_16_smp : remix_areas_16;
+ }
+ dmix->u.dmix.mix_areas_32 = smp > 1 ? mix_areas_32_smp : mix_areas_32;
+ dmix->u.dmix.remix_areas_32 = smp > 1 ? remix_areas_32_smp : remix_areas_32;
+ if (cmov) {
+ dmix->u.dmix.mix_areas_24 = smp > 1 ? mix_areas_24_smp_cmov : mix_areas_24_cmov;
+ dmix->u.dmix.remix_areas_24 = smp > 1 ? remix_areas_24_smp_cmov : remix_areas_24_cmov;
+ } else {
+ dmix->u.dmix.mix_areas_24 = smp > 1 ? mix_areas_24_smp: mix_areas_24;
+ dmix->u.dmix.remix_areas_24 = smp > 1 ? remix_areas_24_smp: remix_areas_24;
+ }
+}
diff --git a/src/pcm/pcm_dmix_i386.h b/src/pcm/pcm_dmix_i386.h
new file mode 100644
index 0000000..462371a
--- /dev/null
+++ b/src/pcm/pcm_dmix_i386.h
@@ -0,0 +1,559 @@
+/**
+ * \file pcm/pcm_dmix_i386.h
+ * \ingroup PCM_Plugins
+ * \brief PCM Direct Stream Mixing (dmix) Plugin Interface - I386 assembler code
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2003
+ */
+/*
+ * PCM - Direct Stream Mixing
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*
+ * for plain i386
+ */
+static void MIX_AREAS_16(unsigned int size,
+ volatile signed short *dst, signed short *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned int old_ebx;
+
+ /*
+ * ESI - src
+ * EDI - dst
+ * EBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ /*
+ * initialization, load ESI, EDI, EBX registers
+ */
+ "\tmovl %1, %%edi\n"
+ "\tmovl %2, %%esi\n"
+ "\tmovl %3, %%ebx\n"
+ "\tcmpl $0, %0\n"
+ "\tjnz 2f\n"
+ "\tjmp 7f\n"
+
+
+ /*
+ * for (;;)
+ */
+ "\t.p2align 4,,15\n"
+ "1:"
+ "\tadd %4, %%edi\n"
+ "\tadd %5, %%esi\n"
+ "\tadd %6, %%ebx\n"
+
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (cmpxchg(*dst, 0, 1) == 0)
+ * sample -= sum_sample;
+ * xadd(*sum, sample);
+ */
+
+ "2:"
+ "\tmovw $0, %%ax\n"
+ "\tmovw $1, %%cx\n"
+ "\tmovl (%%ebx), %%edx\n"
+ "\t" LOCK_PREFIX "cmpxchgw %%cx, (%%edi)\n"
+ "\tmovswl (%%esi), %%ecx\n"
+ "\tjnz 3f\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "3:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%ebx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(v);
+ * *dst = sample;
+ * } while (v != *sum);
+ */
+
+ "4:"
+ "\tmovl (%%ebx), %%ecx\n"
+ "\tcmpl $0x7fff,%%ecx\n"
+ "\tjg 5f\n"
+ "\tcmpl $-0x8000,%%ecx\n"
+ "\tjl 6f\n"
+ "\tmovw %%cx, (%%edi)\n"
+ "\tcmpl %%ecx, (%%ebx)\n"
+ "\tjnz 4b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+ "\tjmp 7f\n"
+
+ /*
+ * sample > 0x7fff
+ */
+
+ "\t.p2align 4,,15\n"
+
+ "5:"
+ "\tmovw $0x7fff, (%%edi)\n"
+ "\tcmpl %%ecx,(%%ebx)\n"
+ "\tjnz 4b\n"
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+ "\tjmp 7f\n"
+
+ /*
+ * sample < -0x8000
+ */
+
+ "\t.p2align 4,,15\n"
+
+ "6:"
+ "\tmovw $-0x8000, (%%edi)\n"
+ "\tcmpl %%ecx, (%%ebx)\n"
+ "\tjnz 4b\n"
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+
+ "7:"
+ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_ebx)
+ : "esi", "edi", "edx", "ecx", "eax"
+ );
+}
+
+/*
+ * MMX optimized
+ */
+static void MIX_AREAS_16_MMX(unsigned int size,
+ volatile signed short *dst, signed short *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned int old_ebx;
+
+ /*
+ * ESI - src
+ * EDI - dst
+ * EBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ /*
+ * initialization, load ESI, EDI, EBX registers
+ */
+ "\tmovl %1, %%edi\n"
+ "\tmovl %2, %%esi\n"
+ "\tmovl %3, %%ebx\n"
+ "\tcmpl $0, %0\n"
+ "\tjnz 2f\n"
+ "\tjmp 5f\n"
+
+ "\t.p2align 4,,15\n"
+ "1:"
+ "\tadd %4, %%edi\n"
+ "\tadd %5, %%esi\n"
+ "\tadd %6, %%ebx\n"
+
+ "2:"
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (cmpxchg(*dst, 0, 1) == 0)
+ * sample -= sum_sample;
+ * xadd(*sum, sample);
+ */
+ "\tmovw $0, %%ax\n"
+ "\tmovw $1, %%cx\n"
+ "\tmovl (%%ebx), %%edx\n"
+ "\t" LOCK_PREFIX "cmpxchgw %%cx, (%%edi)\n"
+ "\tmovswl (%%esi), %%ecx\n"
+ "\tjnz 3f\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "3:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%ebx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(v);
+ * *dst = sample;
+ * } while (v != *sum);
+ */
+
+ "4:"
+ "\tmovl (%%ebx), %%ecx\n"
+ "\tmovd %%ecx, %%mm0\n"
+ "\tpackssdw %%mm1, %%mm0\n"
+ "\tmovd %%mm0, %%eax\n"
+ "\tmovw %%ax, (%%edi)\n"
+ "\tcmpl %%ecx, (%%ebx)\n"
+ "\tjnz 4b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+ "\temms\n"
+ "5:"
+ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_ebx)
+ : "esi", "edi", "edx", "ecx", "eax"
+ );
+}
+
+/*
+ * for plain i386, 32-bit version (24-bit resolution)
+ */
+static void MIX_AREAS_32(unsigned int size,
+ volatile signed int *dst, signed int *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned int old_ebx;
+
+ /*
+ * ESI - src
+ * EDI - dst
+ * EBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ /*
+ * initialization, load ESI, EDI, EBX registers
+ */
+ "\tmovl %1, %%edi\n"
+ "\tmovl %2, %%esi\n"
+ "\tmovl %3, %%ebx\n"
+ "\tcmpl $0, %0\n"
+ "\tjnz 1f\n"
+ "\tjmp 6f\n"
+
+ "\t.p2align 4,,15\n"
+
+ "1:"
+
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (cmpxchg(*dst, 0, 1) == 0)
+ * sample -= sum_sample;
+ * xadd(*sum, sample);
+ */
+ "\tmovl $0, %%eax\n"
+ "\tmovl $1, %%ecx\n"
+ "\tmovl (%%ebx), %%edx\n"
+ "\t" LOCK_PREFIX "cmpxchgl %%ecx, (%%edi)\n"
+ "\tjnz 2f\n"
+ "\tmovl (%%esi), %%ecx\n"
+ /* sample >>= 8 */
+ "\tsarl $8, %%ecx\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "\tjmp 21f\n"
+ "2:"
+ "\tmovl (%%esi), %%ecx\n"
+ /* sample >>= 8 */
+ "\tsarl $8, %%ecx\n"
+ "21:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%ebx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(v);
+ * *dst = sample;
+ * } while (v != *sum);
+ */
+
+ "3:"
+ "\tmovl (%%ebx), %%ecx\n"
+ /*
+ * if (sample > 0x7fff00)
+ */
+ "\tmovl $0x7fffff, %%eax\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tjg 4f\n"
+ /*
+ * if (sample < -0x800000)
+ */
+ "\tmovl $-0x800000, %%eax\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tjl 4f\n"
+ "\tmovl %%ecx, %%eax\n"
+ "4:"
+ /*
+ * sample <<= 8;
+ */
+ "\tsall $8, %%eax\n"
+ "\tmovl %%eax, (%%edi)\n"
+ "\tcmpl %%ecx, (%%ebx)\n"
+ "\tjnz 3b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tdecl %0\n"
+ "\tjz 6f\n"
+ "\tadd %4, %%edi\n"
+ "\tadd %5, %%esi\n"
+ "\tadd %6, %%ebx\n"
+ "\tjmp 1b\n"
+
+ "6:"
+ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_ebx)
+ : "esi", "edi", "edx", "ecx", "eax"
+ );
+}
+
+/*
+ * 24-bit version for plain i386
+ */
+static void MIX_AREAS_24(unsigned int size,
+ volatile unsigned char *dst, unsigned char *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned int old_ebx;
+
+ /*
+ * ESI - src
+ * EDI - dst
+ * EBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ /*
+ * initialization, load ESI, EDI, EBX registers
+ */
+ "\tmovl %1, %%edi\n"
+ "\tmovl %2, %%esi\n"
+ "\tmovl %3, %%ebx\n"
+ "\tcmpl $0, %0\n"
+ "\tjnz 1f\n"
+ "\tjmp 6f\n"
+
+ "\t.p2align 4,,15\n"
+
+ "1:"
+
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (test_and_set_bit(0, dst) == 0)
+ * sample -= sum_sample;
+ * *sum += sample;
+ */
+ "\tmovsbl 2(%%esi), %%eax\n"
+ "\tmovzwl (%%esi), %%ecx\n"
+ "\tmovl (%%ebx), %%edx\n"
+ "\tsall $16, %%eax\n"
+ "\torl %%eax, %%ecx\n"
+ "\t" LOCK_PREFIX "btsw $0, (%%edi)\n"
+ "\tjc 2f\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "2:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%ebx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(sample);
+ * *dst = sample | 1;
+ * } while (old_sample != *sum);
+ */
+
+ "3:"
+ "\tmovl (%%ebx), %%ecx\n"
+ /*
+ * if (sample > 0x7fffff)
+ */
+ "\tmovl $0x7fffff, %%eax\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tjg 4f\n"
+ /*
+ * if (sample < -0x7fffff)
+ */
+ "\tmovl $-0x7fffff, %%eax\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tjl 4f\n"
+ "\tmovl %%ecx, %%eax\n"
+ "\torl $1, %%eax\n"
+ "4:"
+ "\tmovw %%ax, (%%edi)\n"
+ "\tshrl $16, %%eax\n"
+ "\tmovb %%al, 2(%%edi)\n"
+ "\tcmpl %%ecx, (%%ebx)\n"
+ "\tjnz 3b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tdecl %0\n"
+ "\tjz 6f\n"
+ "\tadd %4, %%edi\n"
+ "\tadd %5, %%esi\n"
+ "\tadd %6, %%ebx\n"
+ "\tjmp 1b\n"
+
+ "6:"
+ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_ebx)
+ : "esi", "edi", "edx", "ecx", "eax"
+ );
+}
+
+/*
+ * 24-bit version for Pentium Pro/II
+ */
+static void MIX_AREAS_24_CMOV(unsigned int size,
+ volatile unsigned char *dst, unsigned char *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned int old_ebx;
+
+ /*
+ * ESI - src
+ * EDI - dst
+ * EBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ /*
+ * initialization, load ESI, EDI, EBX registers
+ */
+ "\tmovl %1, %%edi\n"
+ "\tmovl %2, %%esi\n"
+ "\tmovl %3, %%ebx\n"
+ "\tcmpl $0, %0\n"
+ "\tjz 6f\n"
+
+ "\t.p2align 4,,15\n"
+
+ "1:"
+
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (test_and_set_bit(0, dst) == 0)
+ * sample -= sum_sample;
+ * *sum += sample;
+ */
+ "\tmovsbl 2(%%esi), %%eax\n"
+ "\tmovzwl (%%esi), %%ecx\n"
+ "\tmovl (%%ebx), %%edx\n"
+ "\tsall $16, %%eax\n"
+ "\t" LOCK_PREFIX "btsw $0, (%%edi)\n"
+ "\tleal (%%ecx,%%eax,1), %%ecx\n"
+ "\tjc 2f\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "2:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%ebx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(sample);
+ * *dst = sample | 1;
+ * } while (old_sample != *sum);
+ */
+
+ "3:"
+ "\tmovl (%%ebx), %%ecx\n"
+
+ "\tmovl $0x7fffff, %%eax\n"
+ "\tmovl $-0x7fffff, %%edx\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tcmovng %%ecx, %%eax\n"
+ "\tcmpl %%edx, %%ecx\n"
+ "\tcmovl %%edx, %%eax\n"
+
+ "\torl $1, %%eax\n"
+ "\tmovw %%ax, (%%edi)\n"
+ "\tshrl $16, %%eax\n"
+ "\tmovb %%al, 2(%%edi)\n"
+
+ "\tcmpl %%ecx, (%%ebx)\n"
+ "\tjnz 3b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tadd %4, %%edi\n"
+ "\tadd %5, %%esi\n"
+ "\tadd %6, %%ebx\n"
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+
+ "6:"
+ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_ebx)
+ : "esi", "edi", "edx", "ecx", "eax"
+ );
+}
diff --git a/src/pcm/pcm_dmix_x86_64.c b/src/pcm/pcm_dmix_x86_64.c
new file mode 100644
index 0000000..831046d
--- /dev/null
+++ b/src/pcm/pcm_dmix_x86_64.c
@@ -0,0 +1,100 @@
+/*
+ * optimized mixing code for x86-64
+ */
+
+#define MIX_AREAS_16 mix_areas_16
+#define MIX_AREAS_32 mix_areas_32
+#define MIX_AREAS_24 mix_areas_24
+#define LOCK_PREFIX ""
+#define XADD "addl"
+#define XSUB "subl"
+#include "pcm_dmix_x86_64.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define MIX_AREAS_16 remix_areas_16
+#define MIX_AREAS_32 remix_areas_32
+#define MIX_AREAS_24 remix_areas_24
+#define LOCK_PREFIX ""
+#define XADD "subl"
+#define XSUB "addl"
+#include "pcm_dmix_x86_64.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define MIX_AREAS_16 mix_areas_16_smp
+#define MIX_AREAS_32 mix_areas_32_smp
+#define MIX_AREAS_24 mix_areas_24_smp
+#define LOCK_PREFIX "lock ; "
+#define XADD "addl"
+#define XSUB "subl"
+#include "pcm_dmix_x86_64.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define MIX_AREAS_16 remix_areas_16_smp
+#define MIX_AREAS_32 remix_areas_32_smp
+#define MIX_AREAS_24 remix_areas_24_smp
+#define LOCK_PREFIX "lock ; "
+#define XADD "subl"
+#define XSUB "addl"
+#include "pcm_dmix_x86_64.h"
+#undef MIX_AREAS_16
+#undef MIX_AREAS_32
+#undef MIX_AREAS_24
+#undef LOCK_PREFIX
+#undef XADD
+#undef XSUB
+
+#define x86_64_dmix_supported_format \
+ ((1ULL << SND_PCM_FORMAT_S16_LE) |\
+ (1ULL << SND_PCM_FORMAT_S32_LE) |\
+ (1ULL << SND_PCM_FORMAT_S24_3LE))
+
+#define dmix_supported_format \
+ (x86_64_dmix_supported_format | generic_dmix_supported_format)
+
+static void mix_select_callbacks(snd_pcm_direct_t *dmix)
+{
+ static int smp = 0;
+
+ if (!((1ULL<< dmix->shmptr->s.format) & x86_64_dmix_supported_format)) {
+ generic_mix_select_callbacks(dmix);
+ return;
+ }
+
+ if (!smp) {
+ FILE *in;
+ char line[255];
+
+ /* try to determine, if we have SMP */
+ in = fopen("/proc/cpuinfo", "r");
+ if (in) {
+ while (!feof(in)) {
+ fgets(line, sizeof(line), in);
+ if (!strncmp(line, "processor", 9))
+ smp++;
+ }
+ fclose(in);
+ }
+ }
+ // printf("SMP: %i\n", smp);
+ dmix->u.dmix.mix_areas_16 = smp > 1 ? mix_areas_16_smp : mix_areas_16;
+ dmix->u.dmix.remix_areas_16 = smp > 1 ? remix_areas_16_smp : remix_areas_16;
+ dmix->u.dmix.mix_areas_32 = smp > 1 ? mix_areas_32_smp : mix_areas_32;
+ dmix->u.dmix.remix_areas_32 = smp > 1 ? remix_areas_32_smp : remix_areas_32;
+ dmix->u.dmix.mix_areas_24 = smp > 1 ? mix_areas_24_smp : mix_areas_24;
+ dmix->u.dmix.remix_areas_24 = smp > 1 ? remix_areas_24_smp : remix_areas_24;
+}
diff --git a/src/pcm/pcm_dmix_x86_64.h b/src/pcm/pcm_dmix_x86_64.h
new file mode 100644
index 0000000..ab40f50
--- /dev/null
+++ b/src/pcm/pcm_dmix_x86_64.h
@@ -0,0 +1,341 @@
+/**
+ * \file pcm/pcm_dmix_x86_64.h
+ * \ingroup PCM_Plugins
+ * \brief PCM Direct Stream Mixing (dmix) Plugin Interface - X86-64 assembler code
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2003
+ */
+/*
+ * PCM - Direct Stream Mixing
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ * Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*
+ * MMX optimized
+ */
+static void MIX_AREAS_16(unsigned int size,
+ volatile signed short *dst, signed short *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned long long old_rbx;
+
+ /*
+ * RSI - src
+ * RDI - dst
+ * RBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovq %%rbx, %7\n"
+ /*
+ * initialization, load RSI, RDI, RBX registers
+ */
+ "\tmovq %1, %%rdi\n"
+ "\tmovq %2, %%rsi\n"
+ "\tmovq %3, %%rbx\n"
+
+ /*
+ * while (size-- > 0) {
+ */
+ "\tcmpl $0, %0\n"
+ "jz 6f\n"
+
+ "\t.p2align 4,,15\n"
+
+ "1:"
+
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (cmpxchg(*dst, 0, 1) == 0)
+ * sample -= sum_sample;
+ * xadd(*sum, sample);
+ */
+ "\tmovw $0, %%ax\n"
+ "\tmovw $1, %%cx\n"
+ "\tmovl (%%rbx), %%edx\n"
+ "\t" LOCK_PREFIX "cmpxchgw %%cx, (%%rdi)\n"
+ "\tmovswl (%%rsi), %%ecx\n"
+ "\tjnz 2f\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "2:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%rbx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(v);
+ * *dst = sample;
+ * } while (v != *sum);
+ */
+
+ "3:"
+ "\tmovl (%%rbx), %%ecx\n"
+ "\tmovd %%ecx, %%mm0\n"
+ "\tpackssdw %%mm1, %%mm0\n"
+ "\tmovd %%mm0, %%eax\n"
+ "\tmovw %%ax, (%%rdi)\n"
+ "\tcmpl %%ecx, (%%rbx)\n"
+ "\tjnz 3b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tadd %4, %%rdi\n"
+ "\tadd %5, %%rsi\n"
+ "\tadd %6, %%rbx\n"
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+
+ "6:"
+
+ "\temms\n"
+ "\tmovq %7, %%rbx\n"
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_rbx)
+ : "rsi", "rdi", "edx", "ecx", "eax"
+ );
+}
+
+/*
+ * 32-bit version (24-bit resolution)
+ */
+static void MIX_AREAS_32(unsigned int size,
+ volatile signed int *dst, signed int *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned long long old_rbx;
+
+ /*
+ * RSI - src
+ * RDI - dst
+ * RBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovq %%rbx, %7\n"
+ /*
+ * initialization, load ESI, EDI, EBX registers
+ */
+ "\tmovq %1, %%rdi\n"
+ "\tmovq %2, %%rsi\n"
+ "\tmovq %3, %%rbx\n"
+
+ /*
+ * while (size-- > 0) {
+ */
+ "\tcmpl $0, %0\n"
+ "jz 6f\n"
+
+ "\t.p2align 4,,15\n"
+
+ "1:"
+
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (cmpxchg(*dst, 0, 1) == 0)
+ * sample -= sum_sample;
+ * xadd(*sum, sample);
+ */
+ "\tmovl $0, %%eax\n"
+ "\tmovl $1, %%ecx\n"
+ "\tmovl (%%rbx), %%edx\n"
+ "\t" LOCK_PREFIX "cmpxchgl %%ecx, (%%rdi)\n"
+ "\tjnz 2f\n"
+ "\tmovl (%%rsi), %%ecx\n"
+ /* sample >>= 8 */
+ "\tsarl $8, %%ecx\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "\tjmp 21f\n"
+ "2:"
+ "\tmovl (%%rsi), %%ecx\n"
+ /* sample >>= 8 */
+ "\tsarl $8, %%ecx\n"
+ "21:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%rbx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(v);
+ * *dst = sample;
+ * } while (v != *sum);
+ */
+
+ "3:"
+ "\tmovl (%%rbx), %%ecx\n"
+ /*
+ * if (sample > 0x7fff00)
+ */
+ "\tmovl $0x7fffff, %%eax\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tjg 4f\n"
+ /*
+ * if (sample < -0x800000)
+ */
+ "\tmovl $-0x800000, %%eax\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tjl 4f\n"
+ "\tmovl %%ecx, %%eax\n"
+ "4:"
+ /*
+ * sample <<= 8;
+ */
+ "\tsall $8, %%eax\n"
+ "\tmovl %%eax, (%%rdi)\n"
+ "\tcmpl %%ecx, (%%rbx)\n"
+ "\tjnz 3b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tadd %4, %%rdi\n"
+ "\tadd %5, %%rsi\n"
+ "\tadd %6, %%rbx\n"
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+
+ "6:"
+ "\tmovq %7, %%rbx\n"
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_rbx)
+ : "rsi", "rdi", "edx", "ecx", "eax"
+ );
+}
+
+/*
+ * 24-bit version
+ */
+static void MIX_AREAS_24(unsigned int size,
+ volatile unsigned char *dst, unsigned char *src,
+ volatile signed int *sum, size_t dst_step,
+ size_t src_step, size_t sum_step)
+{
+ unsigned long long old_rbx;
+
+ /*
+ * RSI - src
+ * RDI - dst
+ * RBX - sum
+ * ECX - old sample
+ * EAX - sample / temporary
+ * EDX - temporary
+ */
+ __asm__ __volatile__ (
+ "\n"
+
+ "\tmovq %%rbx, %7\n"
+ /*
+ * initialization, load ESI, EDI, EBX registers
+ */
+ "\tmovq %1, %%rdi\n"
+ "\tmovq %2, %%rsi\n"
+ "\tmovq %3, %%rbx\n"
+
+ /*
+ * while (size-- > 0) {
+ */
+ "\tcmpl $0, %0\n"
+ "jz 6f\n"
+
+ "\t.p2align 4,,15\n"
+
+ "1:"
+
+ /*
+ * sample = *src;
+ * sum_sample = *sum;
+ * if (test_and_set_bit(0, dst) == 0)
+ * sample -= sum_sample;
+ * *sum += sample;
+ */
+ "\tmovsbl 2(%%rsi), %%eax\n"
+ "\tmovzwl (%%rsi), %%ecx\n"
+ "\tmovl (%%rbx), %%edx\n"
+ "\tsall $16, %%eax\n"
+ "\torl %%eax, %%ecx\n"
+ "\t" LOCK_PREFIX "btsw $0, (%%rdi)\n"
+ "\tjc 2f\n"
+ "\t" XSUB " %%edx, %%ecx\n"
+ "2:"
+ "\t" LOCK_PREFIX XADD " %%ecx, (%%rbx)\n"
+
+ /*
+ * do {
+ * sample = old_sample = *sum;
+ * saturate(sample);
+ * *dst = sample | 1;
+ * } while (old_sample != *sum);
+ */
+
+ "3:"
+ "\tmovl (%%rbx), %%ecx\n"
+
+ "\tmovl $0x7fffff, %%eax\n"
+ "\tmovl $-0x7fffff, %%edx\n"
+ "\tcmpl %%eax, %%ecx\n"
+ "\tcmovng %%ecx, %%eax\n"
+ "\tcmpl %%edx, %%ecx\n"
+ "\tcmovl %%edx, %%eax\n"
+
+ "\torl $1, %%eax\n"
+ "\tmovw %%ax, (%%rdi)\n"
+ "\tshrl $16, %%eax\n"
+ "\tmovb %%al, 2(%%rdi)\n"
+
+ "\tcmpl %%ecx, (%%rbx)\n"
+ "\tjnz 3b\n"
+
+ /*
+ * while (size-- > 0)
+ */
+ "\tadd %4, %%rdi\n"
+ "\tadd %5, %%rsi\n"
+ "\tadd %6, %%rbx\n"
+ "\tdecl %0\n"
+ "\tjnz 1b\n"
+
+ "6:"
+ "\tmovq %7, %%rbx\n"
+
+ : /* no output regs */
+ : "m" (size), "m" (dst), "m" (src),
+ "m" (sum), "m" (dst_step), "m" (src_step),
+ "m" (sum_step), "m" (old_rbx)
+ : "rsi", "rdi", "edx", "ecx", "eax"
+ );
+}
diff --git a/src/pcm/pcm_dshare.c b/src/pcm/pcm_dshare.c
new file mode 100644
index 0000000..020e6f7
--- /dev/null
+++ b/src/pcm/pcm_dshare.c
@@ -0,0 +1,939 @@
+/**
+ * \file pcm/pcm_dshare.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Direct Sharing of Channels Plugin Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2003
+ */
+/*
+ * PCM - Direct Sharing of Channels
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <grp.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include <sys/sem.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/mman.h>
+#include "pcm_direct.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_dshare = "";
+#endif
+
+#ifndef DOC_HIDDEN
+/* start is pending - this state happens when rate plugin does a delayed commit */
+#define STATE_RUN_PENDING 1024
+#endif
+
+static void do_silence(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ const snd_pcm_channel_area_t *dst_areas;
+ unsigned int chn, dchn, channels;
+ snd_pcm_format_t format;
+
+ dst_areas = snd_pcm_mmap_areas(dshare->spcm);
+ channels = dshare->channels;
+ format = dshare->shmptr->s.format;
+ for (chn = 0; chn < channels; chn++) {
+ dchn = dshare->bindings ? dshare->bindings[chn] : chn;
+ snd_pcm_area_silence(&dst_areas[dchn], 0, dshare->shmptr->s.buffer_size, format);
+ }
+}
+
+static void share_areas(snd_pcm_direct_t *dshare,
+ const snd_pcm_channel_area_t *src_areas,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t src_ofs,
+ snd_pcm_uframes_t dst_ofs,
+ snd_pcm_uframes_t size)
+{
+ unsigned int chn, dchn, channels;
+ snd_pcm_format_t format;
+
+ channels = dshare->channels;
+ format = dshare->shmptr->s.format;
+ if (dshare->interleaved) {
+ unsigned int fbytes = snd_pcm_format_physical_width(format) / 8;
+ memcpy(((char *)dst_areas[0].addr) + (dst_ofs * channels * fbytes),
+ ((char *)src_areas[0].addr) + (src_ofs * channels * fbytes),
+ size * channels * fbytes);
+ } else {
+ for (chn = 0; chn < channels; chn++) {
+ dchn = dshare->bindings ? dshare->bindings[chn] : chn;
+ snd_pcm_area_copy(&dst_areas[dchn], dst_ofs, &src_areas[chn], src_ofs, size, format);
+
+ }
+ }
+}
+
+/*
+ * synchronize shm ring buffer with hardware
+ */
+static void snd_pcm_dshare_sync_area(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ snd_pcm_uframes_t slave_hw_ptr, slave_appl_ptr, slave_size;
+ snd_pcm_uframes_t appl_ptr, size;
+ const snd_pcm_channel_area_t *src_areas, *dst_areas;
+
+ /* calculate the size to transfer */
+ size = dshare->appl_ptr - dshare->last_appl_ptr;
+ if (! size)
+ return;
+ slave_hw_ptr = dshare->slave_hw_ptr;
+ /* don't write on the last active period - this area may be cleared
+ * by the driver during write operation...
+ */
+ slave_hw_ptr -= slave_hw_ptr % dshare->slave_period_size;
+ slave_hw_ptr += dshare->slave_buffer_size;
+ if (dshare->slave_hw_ptr > dshare->slave_boundary)
+ slave_hw_ptr -= dshare->slave_boundary;
+ if (slave_hw_ptr < dshare->slave_appl_ptr)
+ slave_size = slave_hw_ptr + (dshare->slave_boundary - dshare->slave_appl_ptr);
+ else
+ slave_size = slave_hw_ptr - dshare->slave_appl_ptr;
+ if (slave_size < size)
+ size = slave_size;
+ if (! size)
+ return;
+
+ /* add sample areas here */
+ src_areas = snd_pcm_mmap_areas(pcm);
+ dst_areas = snd_pcm_mmap_areas(dshare->spcm);
+ appl_ptr = dshare->last_appl_ptr % pcm->buffer_size;
+ dshare->last_appl_ptr += size;
+ dshare->last_appl_ptr %= pcm->boundary;
+ slave_appl_ptr = dshare->slave_appl_ptr % dshare->slave_buffer_size;
+ dshare->slave_appl_ptr += size;
+ dshare->slave_appl_ptr %= dshare->slave_boundary;
+ for (;;) {
+ snd_pcm_uframes_t transfer = size;
+ if (appl_ptr + transfer > pcm->buffer_size)
+ transfer = pcm->buffer_size - appl_ptr;
+ if (slave_appl_ptr + transfer > dshare->slave_buffer_size)
+ transfer = dshare->slave_buffer_size - slave_appl_ptr;
+ share_areas(dshare, src_areas, dst_areas, appl_ptr, slave_appl_ptr, transfer);
+ size -= transfer;
+ if (! size)
+ break;
+ slave_appl_ptr += transfer;
+ slave_appl_ptr %= dshare->slave_buffer_size;
+ appl_ptr += transfer;
+ appl_ptr %= pcm->buffer_size;
+ }
+}
+
+/*
+ * synchronize hardware pointer (hw_ptr) with ours
+ */
+static int snd_pcm_dshare_sync_ptr(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ snd_pcm_uframes_t slave_hw_ptr, old_slave_hw_ptr, avail;
+ snd_pcm_sframes_t diff;
+
+ switch (snd_pcm_state(dshare->spcm)) {
+ case SND_PCM_STATE_DISCONNECTED:
+ dshare->state = SNDRV_PCM_STATE_DISCONNECTED;
+ return -ENODEV;
+ default:
+ break;
+ }
+ if (dshare->slowptr)
+ snd_pcm_hwsync(dshare->spcm);
+ old_slave_hw_ptr = dshare->slave_hw_ptr;
+ slave_hw_ptr = dshare->slave_hw_ptr = *dshare->spcm->hw.ptr;
+ diff = slave_hw_ptr - old_slave_hw_ptr;
+ if (diff == 0) /* fast path */
+ return 0;
+ if (dshare->state != SND_PCM_STATE_RUNNING &&
+ dshare->state != SND_PCM_STATE_DRAINING)
+ /* not really started yet - don't update hw_ptr */
+ return 0;
+ if (diff < 0) {
+ slave_hw_ptr += dshare->slave_boundary;
+ diff = slave_hw_ptr - old_slave_hw_ptr;
+ }
+ dshare->hw_ptr += diff;
+ dshare->hw_ptr %= pcm->boundary;
+ // printf("sync ptr diff = %li\n", diff);
+ if (pcm->stop_threshold >= pcm->boundary) /* don't care */
+ return 0;
+ avail = snd_pcm_mmap_playback_avail(pcm);
+ if (avail > dshare->avail_max)
+ dshare->avail_max = avail;
+ if (avail >= pcm->stop_threshold) {
+ snd_timer_stop(dshare->timer);
+ gettimestamp(&dshare->trigger_tstamp, pcm->tstamp_type);
+ if (dshare->state == SND_PCM_STATE_RUNNING) {
+ dshare->state = SND_PCM_STATE_XRUN;
+ return -EPIPE;
+ }
+ dshare->state = SND_PCM_STATE_SETUP;
+ /* clear queue to remove pending poll events */
+ snd_pcm_direct_clear_timer_queue(dshare);
+ }
+ return 0;
+}
+
+/*
+ * plugin implementation
+ */
+
+static int snd_pcm_dshare_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+
+ switch (dshare->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ snd_pcm_dshare_sync_ptr(pcm);
+ break;
+ default:
+ break;
+ }
+ memset(status, 0, sizeof(*status));
+ status->state = snd_pcm_state(dshare->spcm);
+ status->trigger_tstamp = dshare->trigger_tstamp;
+ gettimestamp(&status->tstamp, pcm->tstamp_type);
+ status->avail = snd_pcm_mmap_playback_avail(pcm);
+ status->avail_max = status->avail > dshare->avail_max ? status->avail : dshare->avail_max;
+ dshare->avail_max = 0;
+ return 0;
+}
+
+static snd_pcm_state_t snd_pcm_dshare_state(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ switch (snd_pcm_state(dshare->spcm)) {
+ case SND_PCM_STATE_SUSPENDED:
+ return SND_PCM_STATE_SUSPENDED;
+ case SND_PCM_STATE_DISCONNECTED:
+ return SND_PCM_STATE_DISCONNECTED;
+ default:
+ break;
+ }
+ if (dshare->state == STATE_RUN_PENDING)
+ return SNDRV_PCM_STATE_RUNNING;
+ return dshare->state;
+}
+
+static int snd_pcm_dshare_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ int err;
+
+ switch (dshare->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ err = snd_pcm_dshare_sync_ptr(pcm);
+ if (err < 0)
+ return err;
+ /* fallthru */
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_SUSPENDED:
+ case STATE_RUN_PENDING:
+ *delayp = snd_pcm_mmap_playback_hw_avail(pcm);
+ return 0;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return -EBADFD;
+ }
+}
+
+static int snd_pcm_dshare_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+
+ switch(dshare->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ return snd_pcm_dshare_sync_ptr(pcm);
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_SUSPENDED:
+ return 0;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return -EBADFD;
+ }
+}
+
+static int snd_pcm_dshare_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+
+ snd_pcm_direct_check_interleave(dshare, pcm);
+ dshare->state = SND_PCM_STATE_PREPARED;
+ dshare->appl_ptr = dshare->last_appl_ptr = 0;
+ dshare->hw_ptr = 0;
+ return snd_pcm_direct_set_timer_params(dshare);
+}
+
+static int snd_pcm_dshare_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ dshare->hw_ptr %= pcm->period_size;
+ dshare->appl_ptr = dshare->last_appl_ptr = dshare->hw_ptr;
+ dshare->slave_appl_ptr = dshare->slave_hw_ptr = *dshare->spcm->hw.ptr;
+ return 0;
+}
+
+static int snd_pcm_dshare_start_timer(snd_pcm_direct_t *dshare)
+{
+ int err;
+
+ snd_pcm_hwsync(dshare->spcm);
+ dshare->slave_appl_ptr = dshare->slave_hw_ptr = *dshare->spcm->hw.ptr;
+ err = snd_timer_start(dshare->timer);
+ if (err < 0)
+ return err;
+ dshare->state = SND_PCM_STATE_RUNNING;
+ return 0;
+}
+
+static int snd_pcm_dshare_start(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ snd_pcm_sframes_t avail;
+ int err;
+
+ if (dshare->state != SND_PCM_STATE_PREPARED)
+ return -EBADFD;
+ avail = snd_pcm_mmap_playback_hw_avail(pcm);
+ if (avail == 0)
+ dshare->state = STATE_RUN_PENDING;
+ else if (avail < 0)
+ return 0;
+ else {
+ if ((err = snd_pcm_dshare_start_timer(dshare)) < 0)
+ return err;
+ snd_pcm_dshare_sync_area(pcm);
+ }
+ gettimestamp(&dshare->trigger_tstamp, pcm->tstamp_type);
+ return 0;
+}
+
+static int snd_pcm_dshare_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ if (dshare->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+ dshare->state = SND_PCM_STATE_SETUP;
+ snd_pcm_direct_timer_stop(dshare);
+ do_silence(pcm);
+ return 0;
+}
+
+static int snd_pcm_dshare_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ snd_pcm_uframes_t stop_threshold;
+ int err;
+
+ if (dshare->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+ if (pcm->mode & SND_PCM_NONBLOCK)
+ return -EAGAIN;
+ if (dshare->state == SND_PCM_STATE_PREPARED) {
+ if (snd_pcm_mmap_playback_hw_avail(pcm) > 0)
+ snd_pcm_dshare_start(pcm);
+ else {
+ snd_pcm_dshare_drop(pcm);
+ return 0;
+ }
+ }
+
+ if (dshare->state == SND_PCM_STATE_XRUN) {
+ snd_pcm_dshare_drop(pcm);
+ return 0;
+ }
+
+ stop_threshold = pcm->stop_threshold;
+ if (pcm->stop_threshold > pcm->buffer_size)
+ pcm->stop_threshold = pcm->buffer_size;
+ dshare->state = SND_PCM_STATE_DRAINING;
+ do {
+ err = snd_pcm_dshare_sync_ptr(pcm);
+ if (err < 0) {
+ snd_pcm_dshare_drop(pcm);
+ break;
+ }
+ if (dshare->state == SND_PCM_STATE_DRAINING) {
+ snd_pcm_dshare_sync_area(pcm);
+ snd_pcm_wait_nocheck(pcm, -1);
+ snd_pcm_direct_clear_timer_queue(dshare); /* force poll to wait */
+ }
+ } while (dshare->state == SND_PCM_STATE_DRAINING);
+ pcm->stop_threshold = stop_threshold;
+ return 0;
+}
+
+static int snd_pcm_dshare_pause(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int enable ATTRIBUTE_UNUSED)
+{
+ return -EIO;
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_rewindable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_playback_hw_rewindable(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_sframes_t avail;
+
+ avail = snd_pcm_dshare_rewindable(pcm);
+ if (frames > (snd_pcm_uframes_t)avail)
+ frames = avail;
+ snd_pcm_mmap_appl_backward(pcm, frames);
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_forwardable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_playback_avail(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_sframes_t avail;
+
+ avail = snd_pcm_dshare_forwardable(pcm);
+ if (frames > (snd_pcm_uframes_t)avail)
+ frames = avail;
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_readi(snd_pcm_t *pcm ATTRIBUTE_UNUSED, void *buffer ATTRIBUTE_UNUSED, snd_pcm_uframes_t size ATTRIBUTE_UNUSED)
+{
+ return -ENODEV;
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_readn(snd_pcm_t *pcm ATTRIBUTE_UNUSED, void **bufs ATTRIBUTE_UNUSED, snd_pcm_uframes_t size ATTRIBUTE_UNUSED)
+{
+ return -ENODEV;
+}
+
+static int snd_pcm_dshare_close(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+
+ if (dshare->timer)
+ snd_timer_close(dshare->timer);
+ do_silence(pcm);
+ snd_pcm_direct_semaphore_down(dshare, DIRECT_IPC_SEM_CLIENT);
+ dshare->shmptr->u.dshare.chn_mask &= ~dshare->u.dshare.chn_mask;
+ snd_pcm_close(dshare->spcm);
+ if (dshare->server)
+ snd_pcm_direct_server_discard(dshare);
+ if (dshare->client)
+ snd_pcm_direct_client_discard(dshare);
+ if (snd_pcm_direct_shm_discard(dshare)) {
+ if (snd_pcm_direct_semaphore_discard(dshare))
+ snd_pcm_direct_semaphore_final(dshare, DIRECT_IPC_SEM_CLIENT);
+ } else
+ snd_pcm_direct_semaphore_final(dshare, DIRECT_IPC_SEM_CLIENT);
+ free(dshare->bindings);
+ pcm->private_data = NULL;
+ free(dshare);
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ int err;
+
+ switch (snd_pcm_state(dshare->spcm)) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SND_PCM_STATE_SUSPENDED:
+ return -ESTRPIPE;
+ default:
+ break;
+ }
+ if (! size)
+ return 0;
+ snd_pcm_mmap_appl_forward(pcm, size);
+ if (dshare->state == STATE_RUN_PENDING) {
+ if ((err = snd_pcm_dshare_start_timer(dshare)) < 0)
+ return err;
+ } else if (dshare->state == SND_PCM_STATE_RUNNING ||
+ dshare->state == SND_PCM_STATE_DRAINING)
+ snd_pcm_dshare_sync_ptr(pcm);
+ if (dshare->state == SND_PCM_STATE_RUNNING ||
+ dshare->state == SND_PCM_STATE_DRAINING) {
+ /* ok, we commit the changes after the validation of area */
+ /* it's intended, although the result might be crappy */
+ snd_pcm_dshare_sync_area(pcm);
+ /* clear timer queue to avoid a bogus return from poll */
+ if (snd_pcm_mmap_playback_avail(pcm) < pcm->avail_min)
+ snd_pcm_direct_clear_timer_queue(dshare);
+ }
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_dshare_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+
+ if (dshare->state == SND_PCM_STATE_RUNNING ||
+ dshare->state == SND_PCM_STATE_DRAINING)
+ snd_pcm_dshare_sync_ptr(pcm);
+ return snd_pcm_mmap_playback_avail(pcm);
+}
+
+static int snd_pcm_dshare_htimestamp(snd_pcm_t *pcm,
+ snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+ snd_pcm_uframes_t avail1;
+ int ok = 0;
+
+ while (1) {
+ if (dshare->state == SND_PCM_STATE_RUNNING ||
+ dshare->state == SND_PCM_STATE_DRAINING)
+ snd_pcm_dshare_sync_ptr(pcm);
+ avail1 = snd_pcm_mmap_playback_avail(pcm);
+ if (ok && *avail == avail1)
+ break;
+ *avail = avail1;
+ *tstamp = snd_pcm_hw_fast_tstamp(dshare->spcm);
+ ok = 1;
+ }
+ return 0;
+}
+
+static void snd_pcm_dshare_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_direct_t *dshare = pcm->private_data;
+
+ snd_output_printf(out, "Direct Share PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ if (dshare->spcm)
+ snd_pcm_dump(dshare->spcm, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_dshare_ops = {
+ .close = snd_pcm_dshare_close,
+ .info = snd_pcm_direct_info,
+ .hw_refine = snd_pcm_direct_hw_refine,
+ .hw_params = snd_pcm_direct_hw_params,
+ .hw_free = snd_pcm_direct_hw_free,
+ .sw_params = snd_pcm_direct_sw_params,
+ .channel_info = snd_pcm_direct_channel_info,
+ .dump = snd_pcm_dshare_dump,
+ .nonblock = snd_pcm_direct_nonblock,
+ .async = snd_pcm_direct_async,
+ .mmap = snd_pcm_direct_mmap,
+ .munmap = snd_pcm_direct_munmap,
+ .get_chmap = snd_pcm_direct_get_chmap,
+ .set_chmap = snd_pcm_direct_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_dshare_fast_ops = {
+ .status = snd_pcm_dshare_status,
+ .state = snd_pcm_dshare_state,
+ .hwsync = snd_pcm_dshare_hwsync,
+ .delay = snd_pcm_dshare_delay,
+ .prepare = snd_pcm_dshare_prepare,
+ .reset = snd_pcm_dshare_reset,
+ .start = snd_pcm_dshare_start,
+ .drop = snd_pcm_dshare_drop,
+ .drain = snd_pcm_dshare_drain,
+ .pause = snd_pcm_dshare_pause,
+ .rewindable = snd_pcm_dshare_rewindable,
+ .rewind = snd_pcm_dshare_rewind,
+ .forwardable = snd_pcm_dshare_forwardable,
+ .forward = snd_pcm_dshare_forward,
+ .resume = snd_pcm_direct_resume,
+ .link = NULL,
+ .link_slaves = NULL,
+ .unlink = NULL,
+ .writei = snd_pcm_mmap_writei,
+ .writen = snd_pcm_mmap_writen,
+ .readi = snd_pcm_dshare_readi,
+ .readn = snd_pcm_dshare_readn,
+ .avail_update = snd_pcm_dshare_avail_update,
+ .mmap_commit = snd_pcm_dshare_mmap_commit,
+ .htimestamp = snd_pcm_dshare_htimestamp,
+ .poll_descriptors = NULL,
+ .poll_descriptors_count = NULL,
+ .poll_revents = snd_pcm_direct_poll_revents,
+};
+
+/**
+ * \brief Creates a new dshare PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param opts Direct PCM configurations
+ * \param params Parameters for slave
+ * \param root Configuration root
+ * \param sconf Slave configuration
+ * \param stream PCM Direction (stream)
+ * \param mode PCM Mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_dshare_open(snd_pcm_t **pcmp, const char *name,
+ struct snd_pcm_direct_open_conf *opts,
+ struct slave_params *params,
+ snd_config_t *root, snd_config_t *sconf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_pcm_t *pcm = NULL, *spcm = NULL;
+ snd_pcm_direct_t *dshare = NULL;
+ int ret, first_instance;
+ unsigned int chn;
+ int fail_sem_loop = 10;
+
+ assert(pcmp);
+
+ if (stream != SND_PCM_STREAM_PLAYBACK) {
+ SNDERR("The dshare plugin supports only playback stream");
+ return -EINVAL;
+ }
+
+ dshare = calloc(1, sizeof(snd_pcm_direct_t));
+ if (!dshare) {
+ ret = -ENOMEM;
+ goto _err_nosem;
+ }
+
+ ret = snd_pcm_direct_parse_bindings(dshare, params, opts->bindings);
+ if (ret < 0)
+ goto _err_nosem;
+
+ if (!dshare->bindings) {
+ SNDERR("dshare: specify bindings!!!");
+ ret = -EINVAL;
+ goto _err_nosem;
+ }
+
+ dshare->ipc_key = opts->ipc_key;
+ dshare->ipc_perm = opts->ipc_perm;
+ dshare->ipc_gid = opts->ipc_gid;
+ dshare->semid = -1;
+ dshare->shmid = -1;
+
+ ret = snd_pcm_new(&pcm, dshare->type = SND_PCM_TYPE_DSHARE, name, stream, mode);
+ if (ret < 0)
+ goto _err_nosem;
+
+ while (1) {
+ ret = snd_pcm_direct_semaphore_create_or_connect(dshare);
+ if (ret < 0) {
+ SNDERR("unable to create IPC semaphore");
+ goto _err_nosem;
+ }
+
+ ret = snd_pcm_direct_semaphore_down(dshare, DIRECT_IPC_SEM_CLIENT);
+ if (ret < 0) {
+ snd_pcm_direct_semaphore_discard(dshare);
+ if (--fail_sem_loop <= 0)
+ goto _err_nosem;
+ continue;
+ }
+ break;
+ }
+
+ first_instance = ret = snd_pcm_direct_shm_create_or_connect(dshare);
+ if (ret < 0) {
+ SNDERR("unable to create IPC shm instance");
+ goto _err;
+ }
+
+ pcm->ops = &snd_pcm_dshare_ops;
+ pcm->fast_ops = &snd_pcm_dshare_fast_ops;
+ pcm->private_data = dshare;
+ dshare->state = SND_PCM_STATE_OPEN;
+ dshare->slowptr = opts->slowptr;
+ dshare->max_periods = opts->max_periods;
+ dshare->sync_ptr = snd_pcm_dshare_sync_ptr;
+
+ if (first_instance) {
+ /* recursion is already checked in
+ snd_pcm_direct_get_slave_ipc_offset() */
+ ret = snd_pcm_open_slave(&spcm, root, sconf, stream,
+ mode | SND_PCM_NONBLOCK, NULL);
+ if (ret < 0) {
+ SNDERR("unable to open slave");
+ goto _err;
+ }
+
+ if (snd_pcm_type(spcm) != SND_PCM_TYPE_HW) {
+ SNDERR("dshare plugin can be only connected to hw plugin");
+ goto _err;
+ }
+
+ ret = snd_pcm_direct_initialize_slave(dshare, spcm, params);
+ if (ret < 0) {
+ SNDERR("unable to initialize slave");
+ goto _err;
+ }
+
+ dshare->spcm = spcm;
+
+ if (dshare->shmptr->use_server) {
+ ret = snd_pcm_direct_server_create(dshare);
+ if (ret < 0) {
+ SNDERR("unable to create server");
+ goto _err;
+ }
+ }
+
+ dshare->shmptr->type = spcm->type;
+ } else {
+ if (dshare->shmptr->use_server) {
+ /* up semaphore to avoid deadlock */
+ snd_pcm_direct_semaphore_up(dshare, DIRECT_IPC_SEM_CLIENT);
+ ret = snd_pcm_direct_client_connect(dshare);
+ if (ret < 0) {
+ SNDERR("unable to connect client");
+ goto _err_nosem;
+ }
+
+ snd_pcm_direct_semaphore_down(dshare, DIRECT_IPC_SEM_CLIENT);
+ ret = snd_pcm_direct_open_secondary_client(&spcm, dshare, "dshare_client");
+ if (ret < 0)
+ goto _err;
+
+ } else {
+
+ ret = snd_pcm_open_slave(&spcm, root, sconf, stream,
+ mode | SND_PCM_NONBLOCK |
+ SND_PCM_APPEND,
+ NULL);
+ if (ret < 0) {
+ SNDERR("unable to open slave");
+ goto _err;
+ }
+ if (snd_pcm_type(spcm) != SND_PCM_TYPE_HW) {
+ SNDERR("dshare plugin can be only connected to hw plugin");
+ ret = -EINVAL;
+ goto _err;
+ }
+
+ ret = snd_pcm_direct_initialize_secondary_slave(dshare, spcm, params);
+ if (ret < 0) {
+ SNDERR("unable to initialize slave");
+ goto _err;
+ }
+ }
+
+ dshare->spcm = spcm;
+ }
+
+ for (chn = 0; chn < dshare->channels; chn++)
+ dshare->u.dshare.chn_mask |= (1ULL<<dshare->bindings[chn]);
+ if (dshare->shmptr->u.dshare.chn_mask & dshare->u.dshare.chn_mask) {
+ SNDERR("destination channel specified in bindings is already used");
+ dshare->u.dshare.chn_mask = 0;
+ ret = -EINVAL;
+ goto _err;
+ }
+ dshare->shmptr->u.dshare.chn_mask |= dshare->u.dshare.chn_mask;
+
+ ret = snd_pcm_direct_initialize_poll_fd(dshare);
+ if (ret < 0) {
+ SNDERR("unable to initialize poll_fd");
+ goto _err;
+ }
+
+ pcm->poll_fd = dshare->poll_fd;
+ pcm->poll_events = POLLIN; /* it's different than other plugins */
+ pcm->tstamp_type = spcm->tstamp_type;
+ pcm->mmap_rw = 1;
+ snd_pcm_set_hw_ptr(pcm, &dshare->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &dshare->appl_ptr, -1, 0);
+
+ snd_pcm_direct_semaphore_up(dshare, DIRECT_IPC_SEM_CLIENT);
+
+ *pcmp = pcm;
+ return 0;
+
+ _err:
+ if (dshare->shmptr)
+ dshare->shmptr->u.dshare.chn_mask &= ~dshare->u.dshare.chn_mask;
+ if (dshare->timer)
+ snd_timer_close(dshare->timer);
+ if (dshare->server)
+ snd_pcm_direct_server_discard(dshare);
+ if (dshare->client)
+ snd_pcm_direct_client_discard(dshare);
+ if (spcm)
+ snd_pcm_close(spcm);
+ if (dshare->shmid >= 0)
+ snd_pcm_direct_shm_discard(dshare);
+ if (snd_pcm_direct_semaphore_discard(dshare) < 0)
+ snd_pcm_direct_semaphore_up(dshare, DIRECT_IPC_SEM_CLIENT);
+ _err_nosem:
+ if (dshare) {
+ free(dshare->bindings);
+ free(dshare);
+ }
+ if (pcm)
+ snd_pcm_free(pcm);
+ return ret;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_dshare Plugin: dshare
+
+This plugin provides sharing channels.
+Unlike \ref pcm_plugins_share "share plugin", this plugin doesn't need
+the explicit server program but accesses the shared buffer concurrently
+from each client as well as \ref pcm_plugins_dmix "dmix" and
+\ref pcm_plugins_dsnoop "dsnoop" plugins do.
+The parameters below are almost identical with these plugins.
+
+\code
+pcm.name {
+ type dshare # Direct sharing
+ ipc_key INT # unique IPC key
+ ipc_key_add_uid BOOL # add current uid to unique IPC key
+ ipc_perm INT # IPC permissions (octal, default 0600)
+ slave STR
+ # or
+ slave { # Slave definition
+ pcm STR # slave PCM name
+ # or
+ pcm { } # slave PCM definition
+ format STR # format definition
+ rate INT # rate definition
+ channels INT
+ period_time INT # in usec
+ # or
+ period_size INT # in bytes
+ buffer_time INT # in usec
+ # or
+ buffer_size INT # in bytes
+ periods INT # when buffer_size or buffer_time is not specified
+ }
+ bindings { # note: this is client independent!!!
+ N INT # maps slave channel to client channel N
+ }
+ slowptr BOOL # slow but more precise pointer updates
+}
+\endcode
+
+\subsection pcm_plugins_dshare_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_dshare_open()
+ <LI>_snd_pcm_dshare_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new dshare PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with dshare PCM description
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_dshare_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_t *sconf;
+ struct slave_params params;
+ struct snd_pcm_direct_open_conf dopen;
+ int bsize, psize;
+ int err;
+
+ err = snd_pcm_direct_parse_open_conf(root, conf, stream, &dopen);
+ if (err < 0)
+ return err;
+
+ /* the default settings, it might be invalid for some hardware */
+ params.format = SND_PCM_FORMAT_S16;
+ params.rate = 48000;
+ params.channels = 2;
+ params.period_time = -1;
+ params.buffer_time = -1;
+ bsize = psize = -1;
+ params.periods = 3;
+ err = snd_pcm_slave_conf(root, dopen.slave, &sconf, 8,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_UNCHANGED, ¶ms.format,
+ SND_PCM_HW_PARAM_RATE, 0, ¶ms.rate,
+ SND_PCM_HW_PARAM_CHANNELS, 0, ¶ms.channels,
+ SND_PCM_HW_PARAM_PERIOD_TIME, 0, ¶ms.period_time,
+ SND_PCM_HW_PARAM_BUFFER_TIME, 0, ¶ms.buffer_time,
+ SND_PCM_HW_PARAM_PERIOD_SIZE, 0, &psize,
+ SND_PCM_HW_PARAM_BUFFER_SIZE, 0, &bsize,
+ SND_PCM_HW_PARAM_PERIODS, 0, ¶ms.periods);
+ if (err < 0)
+ return err;
+
+ /* set a reasonable default */
+ if (psize == -1 && params.period_time == -1)
+ params.period_time = 125000; /* 0.125 seconds */
+
+ if (params.format == -2)
+ params.format = SND_PCM_FORMAT_UNKNOWN;
+
+ params.period_size = psize;
+ params.buffer_size = bsize;
+
+ err = snd_pcm_dshare_open(pcmp, name, &dopen, ¶ms,
+ root, sconf, stream, mode);
+ snd_config_delete(sconf);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_dshare_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_dsnoop.c b/src/pcm/pcm_dsnoop.c
new file mode 100644
index 0000000..8333eef
--- /dev/null
+++ b/src/pcm/pcm_dsnoop.c
@@ -0,0 +1,837 @@
+/**
+ * \file pcm/pcm_dsnoop.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Capture Stream Snooping (dsnoop) Plugin Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2003
+ */
+/*
+ * PCM - Capture Stream Snooping
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <grp.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include <sys/sem.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/mman.h>
+#include "pcm_direct.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_dsnoop = "";
+#endif
+
+/*
+ *
+ */
+
+static int snoop_timestamp(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ snd_pcm_uframes_t ptr1 = -2LL /* invalid value */, ptr2;
+
+ /* loop is required to sync hw.ptr with timestamp */
+ while (1) {
+ ptr2 = *dsnoop->spcm->hw.ptr;
+ if (ptr1 == ptr2)
+ break;
+ ptr1 = ptr2;
+ dsnoop->update_tstamp = snd_pcm_hw_fast_tstamp(dsnoop->spcm);
+ }
+ dsnoop->slave_hw_ptr = ptr1;
+ return 0;
+}
+
+static void snoop_areas(snd_pcm_direct_t *dsnoop,
+ const snd_pcm_channel_area_t *src_areas,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t src_ofs,
+ snd_pcm_uframes_t dst_ofs,
+ snd_pcm_uframes_t size)
+{
+ unsigned int chn, schn, channels;
+ snd_pcm_format_t format;
+
+ channels = dsnoop->channels;
+ format = dsnoop->shmptr->s.format;
+ if (dsnoop->interleaved) {
+ unsigned int fbytes = snd_pcm_format_physical_width(format) / 8;
+ memcpy(((char *)dst_areas[0].addr) + (dst_ofs * channels * fbytes),
+ ((char *)src_areas[0].addr) + (src_ofs * channels * fbytes),
+ size * channels * fbytes);
+ } else {
+ for (chn = 0; chn < channels; chn++) {
+ schn = dsnoop->bindings ? dsnoop->bindings[chn] : chn;
+ snd_pcm_area_copy(&dst_areas[chn], dst_ofs, &src_areas[schn], src_ofs, size, format);
+ }
+ }
+}
+
+/*
+ * synchronize shm ring buffer with hardware
+ */
+static void snd_pcm_dsnoop_sync_area(snd_pcm_t *pcm, snd_pcm_uframes_t slave_hw_ptr, snd_pcm_uframes_t size)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ snd_pcm_uframes_t hw_ptr = dsnoop->hw_ptr;
+ snd_pcm_uframes_t transfer;
+ const snd_pcm_channel_area_t *src_areas, *dst_areas;
+
+ /* add sample areas here */
+ dst_areas = snd_pcm_mmap_areas(pcm);
+ src_areas = snd_pcm_mmap_areas(dsnoop->spcm);
+ hw_ptr %= pcm->buffer_size;
+ slave_hw_ptr %= dsnoop->slave_buffer_size;
+ while (size > 0) {
+ transfer = hw_ptr + size > pcm->buffer_size ? pcm->buffer_size - hw_ptr : size;
+ transfer = slave_hw_ptr + transfer > dsnoop->slave_buffer_size ?
+ dsnoop->slave_buffer_size - slave_hw_ptr : transfer;
+ size -= transfer;
+ snoop_areas(dsnoop, src_areas, dst_areas, slave_hw_ptr, hw_ptr, transfer);
+ slave_hw_ptr += transfer;
+ slave_hw_ptr %= dsnoop->slave_buffer_size;
+ hw_ptr += transfer;
+ hw_ptr %= pcm->buffer_size;
+ }
+}
+
+/*
+ * synchronize hardware pointer (hw_ptr) with ours
+ */
+static int snd_pcm_dsnoop_sync_ptr(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ snd_pcm_uframes_t slave_hw_ptr, old_slave_hw_ptr, avail;
+ snd_pcm_sframes_t diff;
+
+ switch (snd_pcm_state(dsnoop->spcm)) {
+ case SND_PCM_STATE_DISCONNECTED:
+ dsnoop->state = SNDRV_PCM_STATE_DISCONNECTED;
+ return -ENODEV;
+ default:
+ break;
+ }
+ if (dsnoop->slowptr)
+ snd_pcm_hwsync(dsnoop->spcm);
+ old_slave_hw_ptr = dsnoop->slave_hw_ptr;
+ snoop_timestamp(pcm);
+ slave_hw_ptr = dsnoop->slave_hw_ptr;
+ diff = slave_hw_ptr - old_slave_hw_ptr;
+ if (diff == 0) /* fast path */
+ return 0;
+ if (diff < 0) {
+ slave_hw_ptr += dsnoop->slave_boundary;
+ diff = slave_hw_ptr - old_slave_hw_ptr;
+ }
+ snd_pcm_dsnoop_sync_area(pcm, old_slave_hw_ptr, diff);
+ dsnoop->hw_ptr += diff;
+ dsnoop->hw_ptr %= pcm->boundary;
+ // printf("sync ptr diff = %li\n", diff);
+ if (pcm->stop_threshold >= pcm->boundary) /* don't care */
+ return 0;
+ if ((avail = snd_pcm_mmap_capture_hw_avail(pcm)) >= pcm->stop_threshold) {
+ gettimestamp(&dsnoop->trigger_tstamp, pcm->tstamp_type);
+ dsnoop->state = SND_PCM_STATE_XRUN;
+ dsnoop->avail_max = avail;
+ return -EPIPE;
+ }
+ if (avail > dsnoop->avail_max)
+ dsnoop->avail_max = avail;
+ return 0;
+}
+
+/*
+ * plugin implementation
+ */
+
+static int snd_pcm_dsnoop_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ snd_pcm_state_t state;
+
+ switch(dsnoop->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ snd_pcm_dsnoop_sync_ptr(pcm);
+ break;
+ default:
+ break;
+ }
+ memset(status, 0, sizeof(*status));
+ state = snd_pcm_state(dsnoop->spcm);
+ status->state = state == SND_PCM_STATE_RUNNING ? dsnoop->state : state;
+ status->trigger_tstamp = dsnoop->trigger_tstamp;
+ status->tstamp = dsnoop->update_tstamp;
+ status->avail = snd_pcm_mmap_capture_avail(pcm);
+ status->avail_max = status->avail > dsnoop->avail_max ? status->avail : dsnoop->avail_max;
+ dsnoop->avail_max = 0;
+ return 0;
+}
+
+static snd_pcm_state_t snd_pcm_dsnoop_state(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ switch (snd_pcm_state(dsnoop->spcm)) {
+ case SND_PCM_STATE_SUSPENDED:
+ return SND_PCM_STATE_SUSPENDED;
+ case SND_PCM_STATE_DISCONNECTED:
+ dsnoop->state = SNDRV_PCM_STATE_DISCONNECTED;
+ return -ENODEV;
+ default:
+ break;
+ }
+ return dsnoop->state;
+}
+
+static int snd_pcm_dsnoop_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ int err;
+
+ switch(dsnoop->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ err = snd_pcm_dsnoop_sync_ptr(pcm);
+ if (err < 0)
+ return err;
+ /* Fall through */
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_SUSPENDED:
+ *delayp = snd_pcm_mmap_capture_hw_avail(pcm);
+ return 0;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return -EBADFD;
+ }
+}
+
+static int snd_pcm_dsnoop_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+
+ switch(dsnoop->state) {
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_RUNNING:
+ return snd_pcm_dsnoop_sync_ptr(pcm);
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_SUSPENDED:
+ return 0;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ return -EBADFD;
+ }
+}
+
+static int snd_pcm_dsnoop_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+
+ snd_pcm_direct_check_interleave(dsnoop, pcm);
+ dsnoop->state = SND_PCM_STATE_PREPARED;
+ dsnoop->appl_ptr = 0;
+ dsnoop->hw_ptr = 0;
+ return snd_pcm_direct_set_timer_params(dsnoop);
+}
+
+static int snd_pcm_dsnoop_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ dsnoop->hw_ptr %= pcm->period_size;
+ dsnoop->appl_ptr = dsnoop->hw_ptr;
+ dsnoop->slave_appl_ptr = dsnoop->slave_hw_ptr;
+ return 0;
+}
+
+static int snd_pcm_dsnoop_start(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ int err;
+
+ if (dsnoop->state != SND_PCM_STATE_PREPARED)
+ return -EBADFD;
+ snd_pcm_hwsync(dsnoop->spcm);
+ snoop_timestamp(pcm);
+ dsnoop->slave_appl_ptr = dsnoop->slave_hw_ptr;
+ err = snd_timer_start(dsnoop->timer);
+ if (err < 0)
+ return err;
+ dsnoop->state = SND_PCM_STATE_RUNNING;
+ dsnoop->trigger_tstamp = dsnoop->update_tstamp;
+ return 0;
+}
+
+static int snd_pcm_dsnoop_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ if (dsnoop->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+ dsnoop->state = SND_PCM_STATE_SETUP;
+ snd_timer_stop(dsnoop->timer);
+ return 0;
+}
+
+static int snd_pcm_dsnoop_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ snd_pcm_uframes_t stop_threshold;
+ int err;
+
+ if (dsnoop->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+ stop_threshold = pcm->stop_threshold;
+ if (pcm->stop_threshold > pcm->buffer_size)
+ pcm->stop_threshold = pcm->buffer_size;
+ while (dsnoop->state == SND_PCM_STATE_RUNNING) {
+ err = snd_pcm_dsnoop_sync_ptr(pcm);
+ if (err < 0)
+ break;
+ if (pcm->mode & SND_PCM_NONBLOCK)
+ return -EAGAIN;
+ snd_pcm_wait(pcm, -1);
+ }
+ pcm->stop_threshold = stop_threshold;
+ return snd_pcm_dsnoop_drop(pcm);
+}
+
+static int snd_pcm_dsnoop_pause(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int enable ATTRIBUTE_UNUSED)
+{
+ return -EIO;
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_rewindable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_capture_hw_avail(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_sframes_t avail;
+
+ avail = snd_pcm_dsnoop_rewindable(pcm);
+ if (frames > (snd_pcm_uframes_t)avail)
+ frames = avail;
+ snd_pcm_mmap_appl_backward(pcm, frames);
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_forwardable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_capture_avail(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_sframes_t avail;
+
+ avail = snd_pcm_dsnoop_forwardable(pcm);
+ if (frames > (snd_pcm_uframes_t)avail)
+ frames = avail;
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_writei(snd_pcm_t *pcm ATTRIBUTE_UNUSED, const void *buffer ATTRIBUTE_UNUSED, snd_pcm_uframes_t size ATTRIBUTE_UNUSED)
+{
+ return -ENODEV;
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_writen(snd_pcm_t *pcm ATTRIBUTE_UNUSED, void **bufs ATTRIBUTE_UNUSED, snd_pcm_uframes_t size ATTRIBUTE_UNUSED)
+{
+ return -ENODEV;
+}
+
+static int snd_pcm_dsnoop_close(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+
+ if (dsnoop->timer)
+ snd_timer_close(dsnoop->timer);
+ snd_pcm_direct_semaphore_down(dsnoop, DIRECT_IPC_SEM_CLIENT);
+ snd_pcm_close(dsnoop->spcm);
+ if (dsnoop->server)
+ snd_pcm_direct_server_discard(dsnoop);
+ if (dsnoop->client)
+ snd_pcm_direct_client_discard(dsnoop);
+ if (snd_pcm_direct_shm_discard(dsnoop)) {
+ if (snd_pcm_direct_semaphore_discard(dsnoop))
+ snd_pcm_direct_semaphore_final(dsnoop, DIRECT_IPC_SEM_CLIENT);
+ } else
+ snd_pcm_direct_semaphore_final(dsnoop, DIRECT_IPC_SEM_CLIENT);
+ free(dsnoop->bindings);
+ pcm->private_data = NULL;
+ free(dsnoop);
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ int err;
+
+ switch (snd_pcm_state(dsnoop->spcm)) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SND_PCM_STATE_SUSPENDED:
+ return -ESTRPIPE;
+ default:
+ break;
+ }
+ if (dsnoop->state == SND_PCM_STATE_RUNNING) {
+ err = snd_pcm_dsnoop_sync_ptr(pcm);
+ if (err < 0)
+ return err;
+ }
+ snd_pcm_mmap_appl_forward(pcm, size);
+ /* clear timer queue to avoid a bogus return from poll */
+ if (snd_pcm_mmap_capture_avail(pcm) < pcm->avail_min)
+ snd_pcm_direct_clear_timer_queue(dsnoop);
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_dsnoop_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ int err;
+
+ if (dsnoop->state == SND_PCM_STATE_RUNNING) {
+ err = snd_pcm_dsnoop_sync_ptr(pcm);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_mmap_capture_avail(pcm);
+}
+
+static int snd_pcm_dsnoop_htimestamp(snd_pcm_t *pcm,
+ snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+ snd_pcm_uframes_t avail1;
+ int ok = 0;
+
+ while (1) {
+ if (dsnoop->state == SND_PCM_STATE_RUNNING ||
+ dsnoop->state == SND_PCM_STATE_DRAINING)
+ snd_pcm_dsnoop_sync_ptr(pcm);
+ avail1 = snd_pcm_mmap_capture_avail(pcm);
+ if (ok && *avail == avail1)
+ break;
+ *avail = avail1;
+ *tstamp = snd_pcm_hw_fast_tstamp(dsnoop->spcm);
+ ok = 1;
+ }
+ return 0;
+}
+
+static void snd_pcm_dsnoop_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_direct_t *dsnoop = pcm->private_data;
+
+ snd_output_printf(out, "Direct Snoop PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ if (dsnoop->spcm)
+ snd_pcm_dump(dsnoop->spcm, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_dsnoop_ops = {
+ .close = snd_pcm_dsnoop_close,
+ .info = snd_pcm_direct_info,
+ .hw_refine = snd_pcm_direct_hw_refine,
+ .hw_params = snd_pcm_direct_hw_params,
+ .hw_free = snd_pcm_direct_hw_free,
+ .sw_params = snd_pcm_direct_sw_params,
+ .channel_info = snd_pcm_direct_channel_info,
+ .dump = snd_pcm_dsnoop_dump,
+ .nonblock = snd_pcm_direct_nonblock,
+ .async = snd_pcm_direct_async,
+ .mmap = snd_pcm_direct_mmap,
+ .munmap = snd_pcm_direct_munmap,
+ .query_chmaps = snd_pcm_direct_query_chmaps,
+ .get_chmap = snd_pcm_direct_get_chmap,
+ .set_chmap = snd_pcm_direct_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_dsnoop_fast_ops = {
+ .status = snd_pcm_dsnoop_status,
+ .state = snd_pcm_dsnoop_state,
+ .hwsync = snd_pcm_dsnoop_hwsync,
+ .delay = snd_pcm_dsnoop_delay,
+ .prepare = snd_pcm_dsnoop_prepare,
+ .reset = snd_pcm_dsnoop_reset,
+ .start = snd_pcm_dsnoop_start,
+ .drop = snd_pcm_dsnoop_drop,
+ .drain = snd_pcm_dsnoop_drain,
+ .pause = snd_pcm_dsnoop_pause,
+ .rewindable = snd_pcm_dsnoop_rewindable,
+ .rewind = snd_pcm_dsnoop_rewind,
+ .forwardable = snd_pcm_dsnoop_forwardable,
+ .forward = snd_pcm_dsnoop_forward,
+ .resume = snd_pcm_direct_resume,
+ .link = NULL,
+ .link_slaves = NULL,
+ .unlink = NULL,
+ .writei = snd_pcm_dsnoop_writei,
+ .writen = snd_pcm_dsnoop_writen,
+ .readi = snd_pcm_mmap_readi,
+ .readn = snd_pcm_mmap_readn,
+ .avail_update = snd_pcm_dsnoop_avail_update,
+ .mmap_commit = snd_pcm_dsnoop_mmap_commit,
+ .htimestamp = snd_pcm_dsnoop_htimestamp,
+ .poll_descriptors = NULL,
+ .poll_descriptors_count = NULL,
+ .poll_revents = snd_pcm_direct_poll_revents,
+};
+
+/**
+ * \brief Creates a new dsnoop PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param opts Direct PCM configurations
+ * \param params Parameters for slave
+ * \param root Configuration root
+ * \param sconf Slave configuration
+ * \param stream PCM Direction (stream)
+ * \param mode PCM Mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_dsnoop_open(snd_pcm_t **pcmp, const char *name,
+ struct snd_pcm_direct_open_conf *opts,
+ struct slave_params *params,
+ snd_config_t *root, snd_config_t *sconf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_pcm_t *pcm = NULL, *spcm = NULL;
+ snd_pcm_direct_t *dsnoop = NULL;
+ int ret, first_instance, fail_sem_loop = 10;
+
+ assert(pcmp);
+
+ if (stream != SND_PCM_STREAM_CAPTURE) {
+ SNDERR("The dsnoop plugin supports only capture stream");
+ return -EINVAL;
+ }
+
+ dsnoop = calloc(1, sizeof(snd_pcm_direct_t));
+ if (!dsnoop) {
+ ret = -ENOMEM;
+ goto _err_nosem;
+ }
+
+ ret = snd_pcm_direct_parse_bindings(dsnoop, params, opts->bindings);
+ if (ret < 0)
+ goto _err_nosem;
+
+ dsnoop->ipc_key = opts->ipc_key;
+ dsnoop->ipc_perm = opts->ipc_perm;
+ dsnoop->ipc_gid = opts->ipc_gid;
+ dsnoop->semid = -1;
+ dsnoop->shmid = -1;
+
+ ret = snd_pcm_new(&pcm, dsnoop->type = SND_PCM_TYPE_DSNOOP, name, stream, mode);
+ if (ret < 0)
+ goto _err_nosem;
+
+ while (1) {
+ ret = snd_pcm_direct_semaphore_create_or_connect(dsnoop);
+ if (ret < 0) {
+ SNDERR("unable to create IPC semaphore");
+ goto _err_nosem;
+ }
+
+ ret = snd_pcm_direct_semaphore_down(dsnoop, DIRECT_IPC_SEM_CLIENT);
+ if (ret < 0) {
+ snd_pcm_direct_semaphore_discard(dsnoop);
+ if (--fail_sem_loop <= 0)
+ goto _err_nosem;
+ continue;
+ }
+ break;
+ }
+
+ first_instance = ret = snd_pcm_direct_shm_create_or_connect(dsnoop);
+ if (ret < 0) {
+ SNDERR("unable to create IPC shm instance");
+ goto _err;
+ }
+
+ pcm->ops = &snd_pcm_dsnoop_ops;
+ pcm->fast_ops = &snd_pcm_dsnoop_fast_ops;
+ pcm->private_data = dsnoop;
+ dsnoop->state = SND_PCM_STATE_OPEN;
+ dsnoop->slowptr = opts->slowptr;
+ dsnoop->max_periods = opts->max_periods;
+ dsnoop->sync_ptr = snd_pcm_dsnoop_sync_ptr;
+
+ if (first_instance) {
+ /* recursion is already checked in
+ snd_pcm_direct_get_slave_ipc_offset() */
+ ret = snd_pcm_open_slave(&spcm, root, sconf, stream,
+ mode | SND_PCM_NONBLOCK, NULL);
+ if (ret < 0) {
+ SNDERR("unable to open slave");
+ goto _err;
+ }
+
+ if (snd_pcm_type(spcm) != SND_PCM_TYPE_HW) {
+ SNDERR("dsnoop plugin can be only connected to hw plugin");
+ goto _err;
+ }
+
+ ret = snd_pcm_direct_initialize_slave(dsnoop, spcm, params);
+ if (ret < 0) {
+ SNDERR("unable to initialize slave");
+ goto _err;
+ }
+
+ dsnoop->spcm = spcm;
+
+ if (dsnoop->shmptr->use_server) {
+ ret = snd_pcm_direct_server_create(dsnoop);
+ if (ret < 0) {
+ SNDERR("unable to create server");
+ goto _err;
+ }
+ }
+
+ dsnoop->shmptr->type = spcm->type;
+ } else {
+ if (dsnoop->shmptr->use_server) {
+ /* up semaphore to avoid deadlock */
+ snd_pcm_direct_semaphore_up(dsnoop, DIRECT_IPC_SEM_CLIENT);
+ ret = snd_pcm_direct_client_connect(dsnoop);
+ if (ret < 0) {
+ SNDERR("unable to connect client");
+ goto _err_nosem;
+ }
+
+ snd_pcm_direct_semaphore_down(dsnoop, DIRECT_IPC_SEM_CLIENT);
+
+ ret = snd_pcm_direct_open_secondary_client(&spcm, dsnoop, "dsnoop_client");
+ if (ret < 0)
+ goto _err;
+ } else {
+
+ ret = snd_pcm_open_slave(&spcm, root, sconf, stream,
+ mode | SND_PCM_NONBLOCK |
+ SND_PCM_APPEND,
+ NULL);
+ if (ret < 0) {
+ SNDERR("unable to open slave");
+ goto _err;
+ }
+ if (snd_pcm_type(spcm) != SND_PCM_TYPE_HW) {
+ SNDERR("dsnoop plugin can be only connected to hw plugin");
+ ret = -EINVAL;
+ goto _err;
+ }
+
+ ret = snd_pcm_direct_initialize_secondary_slave(dsnoop, spcm, params);
+ if (ret < 0) {
+ SNDERR("unable to initialize slave");
+ goto _err;
+ }
+ }
+
+ dsnoop->spcm = spcm;
+ }
+
+ ret = snd_pcm_direct_initialize_poll_fd(dsnoop);
+ if (ret < 0) {
+ SNDERR("unable to initialize poll_fd");
+ goto _err;
+ }
+
+ pcm->poll_fd = dsnoop->poll_fd;
+ pcm->poll_events = POLLIN; /* it's different than other plugins */
+ pcm->tstamp_type = spcm->tstamp_type;
+ pcm->mmap_rw = 1;
+ snd_pcm_set_hw_ptr(pcm, &dsnoop->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &dsnoop->appl_ptr, -1, 0);
+
+ if (dsnoop->channels == UINT_MAX)
+ dsnoop->channels = dsnoop->shmptr->s.channels;
+
+ snd_pcm_direct_semaphore_up(dsnoop, DIRECT_IPC_SEM_CLIENT);
+
+ *pcmp = pcm;
+ return 0;
+
+ _err:
+ if (dsnoop->timer)
+ snd_timer_close(dsnoop->timer);
+ if (dsnoop->server)
+ snd_pcm_direct_server_discard(dsnoop);
+ if (dsnoop->client)
+ snd_pcm_direct_client_discard(dsnoop);
+ if (spcm)
+ snd_pcm_close(spcm);
+ if (dsnoop->shmid >= 0)
+ snd_pcm_direct_shm_discard(dsnoop);
+ if (snd_pcm_direct_semaphore_discard(dsnoop) < 0)
+ snd_pcm_direct_semaphore_up(dsnoop, DIRECT_IPC_SEM_CLIENT);
+ _err_nosem:
+ if (dsnoop) {
+ free(dsnoop->bindings);
+ free(dsnoop);
+ }
+ if (pcm)
+ snd_pcm_free(pcm);
+ return ret;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_dsnoop Plugin: dsnoop
+
+This plugin splits one capture stream to more.
+It works the reverse way of \ref pcm_plugins_dmix "dmix plugin",
+reading the shared capture buffer from many clients concurrently.
+The meaning of parameters below are almost identical with
+dmix plugin.
+
+\code
+pcm.name {
+ type dsnoop # Direct snoop
+ ipc_key INT # unique IPC key
+ ipc_key_add_uid BOOL # add current uid to unique IPC key
+ ipc_perm INT # IPC permissions (octal, default 0600)
+ slave STR
+ # or
+ slave { # Slave definition
+ pcm STR # slave PCM name
+ # or
+ pcm { } # slave PCM definition
+ format STR # format definition
+ rate INT # rate definition
+ channels INT
+ period_time INT # in usec
+ # or
+ period_size INT # in bytes
+ buffer_time INT # in usec
+ # or
+ buffer_size INT # in bytes
+ periods INT # when buffer_size or buffer_time is not specified
+ }
+ bindings { # note: this is client independent!!!
+ N INT # maps slave channel to client channel N
+ }
+ slowptr BOOL # slow but more precise pointer updates
+}
+\endcode
+
+\subsection pcm_plugins_dsnoop_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_dsnoop_open()
+ <LI>_snd_pcm_dsnoop_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new dsnoop PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with dsnoop PCM description
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_dsnoop_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_t *sconf;
+ struct slave_params params;
+ struct snd_pcm_direct_open_conf dopen;
+ int bsize, psize;
+ int err;
+
+ err = snd_pcm_direct_parse_open_conf(root, conf, stream, &dopen);
+ if (err < 0)
+ return err;
+
+ /* the default settings, it might be invalid for some hardware */
+ params.format = SND_PCM_FORMAT_S16;
+ params.rate = 48000;
+ params.channels = 2;
+ params.period_time = -1;
+ params.buffer_time = -1;
+ bsize = psize = -1;
+ params.periods = 3;
+ err = snd_pcm_slave_conf(root, dopen.slave, &sconf, 8,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_UNCHANGED, ¶ms.format,
+ SND_PCM_HW_PARAM_RATE, 0, ¶ms.rate,
+ SND_PCM_HW_PARAM_CHANNELS, 0, ¶ms.channels,
+ SND_PCM_HW_PARAM_PERIOD_TIME, 0, ¶ms.period_time,
+ SND_PCM_HW_PARAM_BUFFER_TIME, 0, ¶ms.buffer_time,
+ SND_PCM_HW_PARAM_PERIOD_SIZE, 0, &psize,
+ SND_PCM_HW_PARAM_BUFFER_SIZE, 0, &bsize,
+ SND_PCM_HW_PARAM_PERIODS, 0, ¶ms.periods);
+ if (err < 0)
+ return err;
+
+ /* set a reasonable default */
+ if (psize == -1 && params.period_time == -1)
+ params.period_time = 125000; /* 0.125 seconds */
+
+ if (params.format == -2)
+ params.format = SND_PCM_FORMAT_UNKNOWN;
+
+ params.period_size = psize;
+ params.buffer_size = bsize;
+
+ err = snd_pcm_dsnoop_open(pcmp, name, &dopen, ¶ms,
+ root, sconf, stream, mode);
+ snd_config_delete(sconf);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_dsnoop_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_empty.c b/src/pcm/pcm_empty.c
new file mode 100644
index 0000000..070850c
--- /dev/null
+++ b/src/pcm/pcm_empty.c
@@ -0,0 +1,110 @@
+/**
+ * \file pcm/pcm_empty.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Null Plugin Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2006
+ */
+/*
+ * PCM - Null plugin
+ * Copyright (c) 2006 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_empty = "";
+#endif
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_null Plugin: Null
+
+This plugin discards contents of a PCM stream or creates a stream with zero
+samples.
+
+Note: This implementation uses devices /dev/null (playback, must be writable)
+and /dev/full (capture, must be readable).
+
+\code
+pcm.name {
+ type null # Null PCM
+}
+\endcode
+
+\subsection pcm_plugins_null_funcref Function reference
+
+<UL>
+ <LI>_snd_pcm_empty_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Empty PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with empty PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_empty_open(snd_pcm_t **pcmp, const char *name ATTRIBUTE_UNUSED,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_t *slave = NULL, *sconf;
+ snd_config_iterator_t i, next;
+ int err;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_named_slave(pcmp, name, root, sconf, stream,
+ mode, conf);
+ snd_config_delete(sconf);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_empty_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_ext_parm.h b/src/pcm/pcm_ext_parm.h
new file mode 100644
index 0000000..d25f2ab
--- /dev/null
+++ b/src/pcm/pcm_ext_parm.h
@@ -0,0 +1,41 @@
+/* hw_params */
+struct snd_ext_parm {
+ unsigned int min, max;
+ unsigned int num_list;
+ unsigned int *list;
+ unsigned int active: 1;
+ unsigned int integer: 1;
+};
+
+static inline snd_mask_t *hw_param_mask(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ return ¶ms->masks[var - SND_PCM_HW_PARAM_FIRST_MASK];
+}
+
+static inline snd_interval_t *hw_param_interval(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ return ¶ms->intervals[var - SND_PCM_HW_PARAM_FIRST_INTERVAL];
+}
+
+/* make local functions really local */
+#define snd_ext_parm_set_minmax \
+ snd1_ext_parm_set_minmax
+#define snd_ext_parm_set_list \
+ snd1_ext_parm_set_list
+#define snd_ext_parm_clear \
+ snd1_ext_parm_clear
+#define snd_interval_list \
+ snd1_interval_list
+#define snd_ext_parm_interval_refine \
+ snd1_ext_parm_interval_refine
+#define snd_ext_parm_mask_refine \
+ snd1_ext_parm_mask_refine
+
+int snd_ext_parm_set_minmax(struct snd_ext_parm *parm, unsigned int min, unsigned int max);
+int snd_ext_parm_set_list(struct snd_ext_parm *parm, unsigned int num_list, const unsigned int *list);
+void snd_ext_parm_clear(struct snd_ext_parm *parm);
+int snd_interval_list(snd_interval_t *ival, int num_list, unsigned int *list);
+int snd_ext_parm_interval_refine(snd_interval_t *ival, struct snd_ext_parm *parm, int type);
+int snd_ext_parm_mask_refine(snd_mask_t *mask, struct snd_ext_parm *parm, int type);
diff --git a/src/pcm/pcm_extplug.c b/src/pcm/pcm_extplug.c
new file mode 100644
index 0000000..a5de6d8
--- /dev/null
+++ b/src/pcm/pcm_extplug.c
@@ -0,0 +1,849 @@
+/**
+ * \file pcm/pcm_extplug.c
+ * \ingroup Plugin_SDK
+ * \brief External Filter Plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2005
+ */
+/*
+ * PCM - External Filter Plugin SDK
+ * Copyright (c) 2005 by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+#include "pcm_extplug.h"
+#include "pcm_ext_parm.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_extplug = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+typedef struct snd_pcm_extplug_priv {
+ snd_pcm_plugin_t plug;
+ snd_pcm_extplug_t *data;
+ struct snd_ext_parm params[SND_PCM_EXTPLUG_HW_PARAMS];
+ struct snd_ext_parm sparams[SND_PCM_EXTPLUG_HW_PARAMS];
+} extplug_priv_t;
+
+static const int hw_params_type[SND_PCM_EXTPLUG_HW_PARAMS] = {
+ [SND_PCM_EXTPLUG_HW_FORMAT] = SND_PCM_HW_PARAM_FORMAT,
+ [SND_PCM_EXTPLUG_HW_CHANNELS] = SND_PCM_HW_PARAM_CHANNELS
+};
+
+#define is_mask_type(i) (hw_params_type[i] < SND_PCM_HW_PARAM_FIRST_INTERVAL)
+
+static const unsigned int excl_parbits[SND_PCM_EXTPLUG_HW_PARAMS] = {
+ [SND_PCM_EXTPLUG_HW_FORMAT] = (SND_PCM_HW_PARBIT_FORMAT|
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS),
+ [SND_PCM_EXTPLUG_HW_CHANNELS] = (SND_PCM_HW_PARBIT_CHANNELS|
+ SND_PCM_HW_PARBIT_FRAME_BITS),
+};
+
+/*
+ * set min/max values for the given parameter
+ */
+int snd_ext_parm_set_minmax(struct snd_ext_parm *parm, unsigned int min, unsigned int max)
+{
+ parm->num_list = 0;
+ free(parm->list);
+ parm->list = NULL;
+ parm->min = min;
+ parm->max = max;
+ parm->active = 1;
+ return 0;
+}
+
+/*
+ * set the list of available values for the given parameter
+ */
+static int val_compar(const void *ap, const void *bp)
+{
+ return *(const unsigned int *)ap - *(const unsigned int *)bp;
+}
+
+int snd_ext_parm_set_list(struct snd_ext_parm *parm, unsigned int num_list, const unsigned int *list)
+{
+ unsigned int *new_list;
+
+ new_list = malloc(sizeof(*new_list) * num_list);
+ if (new_list == NULL)
+ return -ENOMEM;
+ memcpy(new_list, list, sizeof(*new_list) * num_list);
+ qsort(new_list, num_list, sizeof(*new_list), val_compar);
+
+ free(parm->list);
+ parm->num_list = num_list;
+ parm->list = new_list;
+ parm->active = 1;
+ return 0;
+}
+
+void snd_ext_parm_clear(struct snd_ext_parm *parm)
+{
+ free(parm->list);
+ memset(parm, 0, sizeof(*parm));
+}
+
+/*
+ * limit the interval to the given list
+ */
+int snd_interval_list(snd_interval_t *ival, int num_list, unsigned int *list)
+{
+ int imin, imax;
+ int changed = 0;
+
+ if (snd_interval_empty(ival))
+ return -ENOENT;
+ for (imin = 0; imin < num_list; imin++) {
+ if (ival->min == list[imin] && ! ival->openmin)
+ break;
+ if (ival->min <= list[imin]) {
+ ival->min = list[imin];
+ ival->openmin = 0;
+ changed = 1;
+ break;
+ }
+ }
+ if (imin >= num_list)
+ return -EINVAL;
+ for (imax = num_list - 1; imax >= imin; imax--) {
+ if (ival->max == list[imax] && ! ival->openmax)
+ break;
+ if (ival->max >= list[imax]) {
+ ival->max = list[imax];
+ ival->openmax = 0;
+ changed = 1;
+ break;
+ }
+ }
+ if (imax < imin)
+ return -EINVAL;
+ return changed;
+}
+
+/*
+ * refine the interval parameter
+ */
+int snd_ext_parm_interval_refine(snd_interval_t *ival, struct snd_ext_parm *parm, int type)
+{
+ parm += type;
+ if (! parm->active)
+ return 0;
+ ival->integer |= parm->integer;
+ if (parm->num_list) {
+ return snd_interval_list(ival, parm->num_list, parm->list);
+ } else if (parm->min || parm->max) {
+ snd_interval_t t;
+ memset(&t, 0, sizeof(t));
+ snd_interval_set_minmax(&t, parm->min, parm->max);
+ t.integer = ival->integer;
+ return snd_interval_refine(ival, &t);
+ }
+ return 0;
+}
+
+/*
+ * refine the mask parameter
+ */
+int snd_ext_parm_mask_refine(snd_mask_t *mask, struct snd_ext_parm *parm, int type)
+{
+ snd_mask_t bits;
+ unsigned int i;
+
+ parm += type;
+ memset(&bits, 0, sizeof(bits));
+ for (i = 0; i < parm->num_list; i++)
+ bits.bits[parm->list[i] / 32] |= 1U << (parm->list[i] % 32);
+ return snd_mask_refine(mask, &bits);
+}
+
+
+/*
+ * hw_refine callback
+ */
+static int extplug_hw_refine(snd_pcm_hw_params_t *hw_params,
+ struct snd_ext_parm *parm)
+{
+ int i, err, change = 0;
+ for (i = 0; i < SND_PCM_EXTPLUG_HW_PARAMS; i++) {
+ int type = hw_params_type[i];
+ if (is_mask_type(i))
+ err = snd_ext_parm_mask_refine(hw_param_mask(hw_params, type),
+ parm, i);
+ else
+ err = snd_ext_parm_interval_refine(hw_param_interval(hw_params, type),
+ parm, i);
+ if (err < 0)
+ return err;
+ change |= err;
+ }
+ return change;
+}
+
+static int snd_pcm_extplug_hw_refine_cprepare(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params)
+{
+ extplug_priv_t *ext = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = extplug_hw_refine(params, ext->params);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_extplug_hw_refine_sprepare(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *sparams)
+{
+ extplug_priv_t *ext = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ extplug_hw_refine(sparams, ext->sparams);
+ return 0;
+}
+
+static unsigned int get_links(struct snd_ext_parm *params)
+{
+ int i;
+ unsigned int links = (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS |
+ SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_FRAME_BITS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+
+ for (i = 0; i < SND_PCM_EXTPLUG_HW_PARAMS; i++) {
+ if (params[i].active)
+ links &= ~excl_parbits[i];
+ }
+ return links;
+}
+
+static int snd_pcm_extplug_hw_refine_schange(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ extplug_priv_t *ext = pcm->private_data;
+ unsigned int links = get_links(ext->sparams);
+
+ return _snd_pcm_hw_params_refine(sparams, links, params);
+}
+
+static int snd_pcm_extplug_hw_refine_cchange(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ extplug_priv_t *ext = pcm->private_data;
+ unsigned int links = get_links(ext->params);
+
+ return _snd_pcm_hw_params_refine(params, links, sparams);
+}
+
+static int snd_pcm_extplug_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ int err = snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_extplug_hw_refine_cprepare,
+ snd_pcm_extplug_hw_refine_cchange,
+ snd_pcm_extplug_hw_refine_sprepare,
+ snd_pcm_extplug_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+ return err;
+}
+
+/*
+ * hw_params callback
+ */
+static int snd_pcm_extplug_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+
+ extplug_priv_t *ext = pcm->private_data;
+ snd_pcm_t *slave = ext->plug.gen.slave;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_extplug_hw_refine_cchange,
+ snd_pcm_extplug_hw_refine_sprepare,
+ snd_pcm_extplug_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+ ext->data->slave_format = slave->format;
+ ext->data->slave_subformat = slave->subformat;
+ ext->data->slave_channels = slave->channels;
+ ext->data->rate = slave->rate;
+ INTERNAL(snd_pcm_hw_params_get_format)(params, &ext->data->format);
+ INTERNAL(snd_pcm_hw_params_get_subformat)(params, &ext->data->subformat);
+ INTERNAL(snd_pcm_hw_params_get_channels)(params, &ext->data->channels);
+
+ if (ext->data->callback->hw_params) {
+ err = ext->data->callback->hw_params(ext->data, params);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/*
+ * hw_free callback
+ */
+static int snd_pcm_extplug_hw_free(snd_pcm_t *pcm)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ snd_pcm_hw_free(ext->plug.gen.slave);
+ if (ext->data->callback->hw_free)
+ return ext->data->callback->hw_free(ext->data);
+ return 0;
+}
+
+/*
+ * write_areas skeleton - call transfer callback
+ */
+static snd_pcm_uframes_t
+snd_pcm_extplug_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ size = ext->data->callback->transfer(ext->data, slave_areas, slave_offset,
+ areas, offset, size);
+ *slave_sizep = size;
+ return size;
+}
+
+/*
+ * read_areas skeleton - call transfer callback
+ */
+static snd_pcm_uframes_t
+snd_pcm_extplug_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ size = ext->data->callback->transfer(ext->data, areas, offset,
+ slave_areas, slave_offset, size);
+ *slave_sizep = size;
+ return size;
+}
+
+/*
+ * call init callback
+ */
+static int snd_pcm_extplug_init(snd_pcm_t *pcm)
+{
+ extplug_priv_t *ext = pcm->private_data;
+ return ext->data->callback->init(ext->data);
+}
+
+/*
+ * dump setup
+ */
+static void snd_pcm_extplug_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (ext->data->callback->dump)
+ ext->data->callback->dump(ext->data, out);
+ else {
+ if (ext->data->name)
+ snd_output_printf(out, "%s\n", ext->data->name);
+ else
+ snd_output_printf(out, "External PCM Plugin\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(ext->plug.gen.slave, out);
+}
+
+static void clear_ext_params(extplug_priv_t *ext)
+{
+ int i;
+ for (i = 0; i < SND_PCM_EXTPLUG_HW_PARAMS; i++) {
+ snd_ext_parm_clear(&ext->params[i]);
+ snd_ext_parm_clear(&ext->sparams[i]);
+ }
+}
+
+static int snd_pcm_extplug_close(snd_pcm_t *pcm)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ snd_pcm_close(ext->plug.gen.slave);
+ clear_ext_params(ext);
+ if (ext->data->callback->close)
+ ext->data->callback->close(ext->data);
+ free(ext);
+ return 0;
+}
+
+static snd_pcm_chmap_query_t **snd_pcm_extplug_query_chmaps(snd_pcm_t *pcm)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (ext->data->version >= 0x010002 &&
+ ext->data->callback->query_chmaps)
+ return ext->data->callback->query_chmaps(ext->data);
+ return snd_pcm_generic_query_chmaps(pcm);
+}
+
+static snd_pcm_chmap_t *snd_pcm_extplug_get_chmap(snd_pcm_t *pcm)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (ext->data->version >= 0x010002 &&
+ ext->data->callback->get_chmap)
+ return ext->data->callback->get_chmap(ext->data);
+ return snd_pcm_generic_get_chmap(pcm);
+}
+
+static int snd_pcm_extplug_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ extplug_priv_t *ext = pcm->private_data;
+
+ if (ext->data->version >= 0x010002 &&
+ ext->data->callback->set_chmap)
+ return ext->data->callback->set_chmap(ext->data, map);
+ return snd_pcm_generic_set_chmap(pcm, map);
+}
+
+static const snd_pcm_ops_t snd_pcm_extplug_ops = {
+ .close = snd_pcm_extplug_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_extplug_hw_refine,
+ .hw_params = snd_pcm_extplug_hw_params,
+ .hw_free = snd_pcm_extplug_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_extplug_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_extplug_query_chmaps,
+ .get_chmap = snd_pcm_extplug_get_chmap,
+ .set_chmap = snd_pcm_extplug_set_chmap,
+};
+
+#endif /* !DOC_HIDDEN */
+
+/*
+ * Exported functions
+ */
+
+/*! \page pcm_external_plugins PCM External Plugin SDK
+
+\section pcm_externals External Plugins
+
+The external plugins are implemented in a shared object file located
+at /usr/lib/alsa-lib (the exact location depends on the build option
+and asoundrc configuration). It has to be the file like
+libasound_module_pcm_MYPLUGIN.so, where MYPLUGIN corresponds to your
+own plugin name.
+
+The entry point of the plugin is defined via
+#SND_PCM_PLUGIN_DEFINE_FUNC() macro. This macro defines the function
+with a proper name to be referred from alsa-lib. The function takes
+the following 6 arguments:
+\code
+int (snd_pcm_t **pcmp, const char *name, snd_config_t *root,
+ snd_config_t *conf, snd_pcm_stream_t stream, int mode)
+\endcode
+The first argument, pcmp, is the pointer to store the resultant PCM
+handle. The arguments name, root, stream and mode are the parameters
+to be passed to the plugin constructor. The conf is the configuration
+tree for the plugin. The arguments above are defined in the macro
+itself, so don't use variables with the same names to shadow
+parameters.
+
+After parsing the configuration parameters in the given conf tree,
+usually you will call the external plugin API function,
+#snd_pcm_extplug_create() or #snd_pcm_ioplug_create(), depending
+on the plugin type. The PCM handle must be filled *pcmp in return.
+Then this function must return either a value 0 when succeeded, or a
+negative value as the error code.
+
+Finally, add #SND_PCM_PLUGIN_SYMBOL() with the name of your
+plugin as the argument at the end. This defines the proper versioned
+symbol as the reference.
+
+The typical code would look like below:
+\code
+struct myplug_info {
+ snd_pcm_extplug_t ext;
+ int my_own_data;
+ ...
+};
+
+SND_PCM_PLUGIN_DEFINE_FUNC(myplug)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *slave = NULL;
+ struct myplug_info *myplug;
+ int err;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0 || strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "my_own_parameter") == 0) {
+ ....
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+
+ if (! slave) {
+ SNDERR("No slave defined for myplug");
+ return -EINVAL;
+ }
+
+ myplug = calloc(1, sizeof(*myplug));
+ if (myplug == NULL)
+ return -ENOMEM;
+
+ myplug->ext.version = SND_PCM_EXTPLUG_VERSION;
+ myplug->ext.name = "My Own Plugin";
+ myplug->ext.callback = &my_own_callback;
+ myplug->ext.private_data = myplug;
+ ....
+
+ err = snd_pcm_extplug_create(&myplug->ext, name, root, conf, stream, mode);
+ if (err < 0) {
+ myplug_free(myplug);
+ return err;
+ }
+
+ *pcmp = myplug->ext.pcm;
+ return 0;
+}
+
+SND_PCM_PLUGIN_SYMBOL(myplug);
+\endcode
+
+Read the codes in alsa-plugins package for the real examples.
+
+
+\section pcm_extplug External Plugin: Filter-Type Plugin
+
+The filter-type plugin is a plugin to convert the PCM signals from the input
+and feeds to the output. Thus, this plugin always needs a slave PCM as its output.
+
+The plugin can modify the format and the channels of the input/output PCM.
+It can <i>not</i> modify the sample rate (because of simplicity reason).
+
+The following fields have to be filled in extplug record before calling
+#snd_pcm_extplug_create() : version, name, callback.
+Otherfields are optional and should be initialized with zero.
+
+The constant #SND_PCM_EXTPLUG_VERSION must be passed to the version
+field for the version check in alsa-lib. A non-NULL ASCII string
+has to be passed to the name field. The callback field contains the
+table of callback functions for this plugin (defined as
+#snd_pcm_extplug_callback_t).
+
+The driver can set an arbitrary value (pointer) to private_data
+field to refer its own data in the callbacks.
+
+The rest fields are filled by #snd_pcm_extplug_create(). The pcm field
+is the resultant PCM handle. The others are the current status of the
+PCM.
+
+The callback functions in #snd_pcm_extplug_callback_t define the real
+behavior of the driver.
+At least, transfer callback must be given. This callback is called
+at each time certain size of data block is transfered to the slave
+PCM. Other callbacks are optional.
+
+The close callback is called when the PCM is closed. If the plugin
+allocates private resources, this is the place to release them
+again. The hw_params and hw_free callbacks are called at
+#snd_pcm_hw_params() and #snd_pcm_hw_free() API calls,
+respectively. The last, dump callback, is called for printing the
+information of the given plugin.
+
+The init callback is called when the PCM is at prepare state or any
+initialization is issued. Use this callback to reset the PCM instance
+to a sane initial state.
+
+The hw_params constraints can be defined via either
+#snd_pcm_extplug_set_param_minmax() and #snd_pcm_extplug_set_param_list()
+functions after calling #snd_pcm_extplug_create().
+The former defines the minimal and maximal acceptable values for the
+given hw_params parameter (SND_PCM_EXTPLUG_HW_XXX).
+This function can't be used for the format parameter. The latter
+function specifies the available parameter values as the list.
+As mentioned above, the rate can't be changed. Only changeable
+parameters are sample format and channels.
+
+To define the constraints of the slave PCM configuration, use
+either #snd_pcm_extplug_set_slave_param_minmax() and
+#snd_pcm_extplug_set_slave_param_list(). The arguments are as same
+as former functions.
+
+To clear the parameter constraints, call #snd_pcm_extplug_params_reset()
+function.
+
+*/
+
+/**
+ * \brief Create an extplug instance
+ * \param extplug the extplug handle
+ * \param name name of the PCM
+ * \param root configuration tree root
+ * \param slave_conf slave configuration root
+ * \param stream stream direction
+ * \param mode PCM open mode
+ * \return 0 if successful, or a negative error code
+ *
+ * Creates the extplug instance based on the given handle.
+ * The slave_conf argument is mandatory, and usually taken from the config tree of the
+ * PCM plugin as "slave" config value.
+ * name, root, stream and mode arguments are the values used for opening the PCM.
+ *
+ * The callback is the mandatory field of extplug handle. At least, start, stop and
+ * pointer callbacks must be set before calling this function.
+ */
+int snd_pcm_extplug_create(snd_pcm_extplug_t *extplug, const char *name,
+ snd_config_t *root, snd_config_t *slave_conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ extplug_priv_t *ext;
+ int err;
+ snd_pcm_t *spcm, *pcm;
+ snd_config_t *sconf;
+
+ assert(root);
+ assert(extplug && extplug->callback);
+ assert(extplug->callback->transfer);
+ assert(slave_conf);
+
+ /* We support 1.0.0 to current */
+ if (extplug->version < 0x010000 ||
+ extplug->version > SND_PCM_EXTPLUG_VERSION) {
+ SNDERR("extplug: Plugin version mismatch: 0x%x\n",
+ extplug->version);
+ return -ENXIO;
+ }
+
+ err = snd_pcm_slave_conf(root, slave_conf, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, NULL);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+
+ ext = calloc(1, sizeof(*ext));
+ if (! ext)
+ return -ENOMEM;
+
+ ext->data = extplug;
+ extplug->stream = stream;
+
+ snd_pcm_plugin_init(&ext->plug);
+ ext->plug.read = snd_pcm_extplug_read_areas;
+ ext->plug.write = snd_pcm_extplug_write_areas;
+ ext->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ ext->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ ext->plug.gen.slave = spcm;
+ ext->plug.gen.close_slave = 1;
+ if (extplug->version >= 0x010001 && extplug->callback->init)
+ ext->plug.init = snd_pcm_extplug_init;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_EXTPLUG, name, stream, mode);
+ if (err < 0) {
+ free(ext);
+ return err;
+ }
+
+ extplug->pcm = pcm;
+ pcm->ops = &snd_pcm_extplug_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = ext;
+ pcm->poll_fd = spcm->poll_fd;
+ pcm->poll_events = spcm->poll_events;
+ snd_pcm_set_hw_ptr(pcm, &ext->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &ext->plug.appl_ptr, -1, 0);
+
+ return 0;
+}
+
+/**
+ * \brief Delete the extplug instance
+ * \param extplug the extplug handle to delete
+ * \return 0 if successful, or a negative error code
+ *
+ * The destructor of extplug instance.
+ * Closes the PCM and deletes the associated resources.
+ */
+int snd_pcm_extplug_delete(snd_pcm_extplug_t *extplug)
+{
+ return snd_pcm_close(extplug->pcm);
+}
+
+
+/**
+ * \brief Reset extplug parameters
+ * \param extplug the extplug handle
+ *
+ * Resets the all parameters for the given extplug handle.
+ */
+void snd_pcm_extplug_params_reset(snd_pcm_extplug_t *extplug)
+{
+ extplug_priv_t *ext = extplug->pcm->private_data;
+ clear_ext_params(ext);
+}
+
+/**
+ * \brief Set slave parameter as the list
+ * \param extplug the extplug handle
+ * \param type parameter type
+ * \param num_list number of available values
+ * \param list the list of available values
+ * \return 0 if successful, or a negative error code
+ *
+ * Sets the slave parameter as the list.
+ * The available values of the given parameter type of the slave PCM is restricted
+ * to the ones of the given list.
+ */
+int snd_pcm_extplug_set_slave_param_list(snd_pcm_extplug_t *extplug, int type, unsigned int num_list, const unsigned int *list)
+{
+ extplug_priv_t *ext = extplug->pcm->private_data;
+ if (type < 0 && type >= SND_PCM_EXTPLUG_HW_PARAMS) {
+ SNDERR("EXTPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ return snd_ext_parm_set_list(&ext->sparams[type], num_list, list);
+}
+
+/**
+ * \brief Set slave parameter as the min/max values
+ * \param extplug the extplug handle
+ * \param type parameter type
+ * \param min the minimum value
+ * \param max the maximum value
+ * \return 0 if successful, or a negative error code
+ *
+ * Sets the slave parameter as the min/max values.
+ * The available values of the given parameter type of the slave PCM is restricted
+ * between the given minimum and maximum values.
+ */
+int snd_pcm_extplug_set_slave_param_minmax(snd_pcm_extplug_t *extplug, int type, unsigned int min, unsigned int max)
+{
+ extplug_priv_t *ext = extplug->pcm->private_data;
+ if (type < 0 && type >= SND_PCM_EXTPLUG_HW_PARAMS) {
+ SNDERR("EXTPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ if (is_mask_type(type)) {
+ SNDERR("EXTPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ return snd_ext_parm_set_minmax(&ext->sparams[type], min, max);
+}
+
+/**
+ * \brief Set master parameter as the list
+ * \param extplug the extplug handle
+ * \param type parameter type
+ * \param num_list number of available values
+ * \param list the list of available values
+ * \return 0 if successful, or a negative error code
+ *
+ * Sets the master parameter as the list.
+ * The available values of the given parameter type of this PCM (as input) is restricted
+ * to the ones of the given list.
+ */
+int snd_pcm_extplug_set_param_list(snd_pcm_extplug_t *extplug, int type, unsigned int num_list, const unsigned int *list)
+{
+ extplug_priv_t *ext = extplug->pcm->private_data;
+ if (type < 0 && type >= SND_PCM_EXTPLUG_HW_PARAMS) {
+ SNDERR("EXTPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ return snd_ext_parm_set_list(&ext->params[type], num_list, list);
+}
+
+/**
+ * \brief Set master parameter as the min/max values
+ * \param extplug the extplug handle
+ * \param type parameter type
+ * \param min the minimum value
+ * \param max the maximum value
+ * \return 0 if successful, or a negative error code
+ *
+ * Sets the master parameter as the min/max values.
+ * The available values of the given parameter type of this PCM (as input) is restricted
+ * between the given minimum and maximum values.
+ */
+int snd_pcm_extplug_set_param_minmax(snd_pcm_extplug_t *extplug, int type, unsigned int min, unsigned int max)
+{
+ extplug_priv_t *ext = extplug->pcm->private_data;
+ if (type < 0 && type >= SND_PCM_EXTPLUG_HW_PARAMS) {
+ SNDERR("EXTPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ if (is_mask_type(type)) {
+ SNDERR("EXTPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ return snd_ext_parm_set_minmax(&ext->params[type], min, max);
+}
+
diff --git a/src/pcm/pcm_file.c b/src/pcm/pcm_file.c
new file mode 100644
index 0000000..9ab6964
--- /dev/null
+++ b/src/pcm/pcm_file.c
@@ -0,0 +1,969 @@
+/**
+ * \file pcm/pcm_file.c
+ * \ingroup PCM_Plugins
+ * \brief PCM File Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - File plugin
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include <ctype.h>
+#include <string.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_file = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+/* keys to be replaced by real values in the filename */
+#define LEADING_KEY '%' /* i.e. %r, %c, %b ... */
+#define RATE_KEY 'r'
+#define CHANNELS_KEY 'c'
+#define BWIDTH_KEY 'b'
+#define FORMAT_KEY 'f'
+
+/* maximum length of a value */
+#define VALUE_MAXLEN 64
+
+typedef enum _snd_pcm_file_format {
+ SND_PCM_FILE_FORMAT_RAW,
+ SND_PCM_FILE_FORMAT_WAV
+} snd_pcm_file_format_t;
+
+/* WAV format chunk */
+struct wav_fmt {
+ short fmt;
+ short chan;
+ int rate;
+ int bps;
+ short bwidth;
+ short bits;
+};
+
+typedef struct {
+ snd_pcm_generic_t gen;
+ char *fname;
+ char *final_fname;
+ int trunc;
+ int perm;
+ int fd;
+ char *ifname;
+ int ifd;
+ int format;
+ snd_pcm_uframes_t appl_ptr;
+ snd_pcm_uframes_t file_ptr_bytes;
+ snd_pcm_uframes_t wbuf_size;
+ size_t wbuf_size_bytes;
+ size_t wbuf_used_bytes;
+ char *wbuf;
+ size_t rbuf_size_bytes;
+ size_t rbuf_used_bytes;
+ char *rbuf;
+ snd_pcm_channel_area_t *wbuf_areas;
+ size_t buffer_bytes;
+ struct wav_fmt wav_header;
+ size_t filelen;
+} snd_pcm_file_t;
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define TO_LE32(x) (x)
+#define TO_LE16(x) (x)
+#else
+#define TO_LE32(x) bswap_32(x)
+#define TO_LE16(x) bswap_16(x)
+#endif
+
+static int snd_pcm_file_append_value(char **string_p, char **index_ch_p,
+ int *len_p, const char *value)
+{
+ char *string, *index_ch;
+ int index, len, value_len;
+ /* input pointer values */
+ len = *(len_p);
+ string = *(string_p);
+ index_ch = *(index_ch_p);
+
+ value_len = strlen(value);
+ /* reallocation to accommodate the value */
+ index = index_ch - string;
+ len += value_len;
+ string = realloc(string, len + 1);
+ if (!string)
+ return -ENOMEM;
+ index_ch = string + index;
+ /* concatenating the new value */
+ strcpy(index_ch, value);
+ index_ch += value_len;
+ /* return values */
+ *(len_p) = len;
+ *(string_p) = string;
+ *(index_ch_p) = index_ch;
+ return 0;
+}
+
+static int snd_pcm_file_replace_fname(snd_pcm_file_t *file, char **new_fname_p)
+{
+ char value[VALUE_MAXLEN];
+ char *fname = file->fname;
+ char *new_fname = NULL;
+ char *old_last_ch, *old_index_ch, *new_index_ch;
+ int old_len, new_len, err;
+
+ snd_pcm_t *pcm = file->gen.slave;
+
+ /* we want to keep fname, const */
+ old_len = new_len = strlen(fname);
+ old_last_ch = fname + old_len - 1;
+ new_fname = malloc(new_len + 1);
+ if (!new_fname)
+ return -ENOMEM;
+
+ old_index_ch = fname; /* first character of the old name */
+ new_index_ch = new_fname; /* first char of the new name */
+
+ while (old_index_ch <= old_last_ch) {
+ if (*(old_index_ch) == LEADING_KEY &&
+ old_index_ch != old_last_ch) {
+ /* is %, not last char, skipping and checking
+ next char */
+ switch (*(++old_index_ch)) {
+ case RATE_KEY:
+ snprintf(value, sizeof(value), "%d",
+ pcm->rate);
+ err = snd_pcm_file_append_value(&new_fname,
+ &new_index_ch, &new_len, value);
+ if (err < 0)
+ return err;
+ break;
+
+ case CHANNELS_KEY:
+ snprintf(value, sizeof(value), "%d",
+ pcm->channels);
+ err = snd_pcm_file_append_value(&new_fname,
+ &new_index_ch, &new_len, value);
+ if (err < 0)
+ return err;
+ break;
+
+ case BWIDTH_KEY:
+ snprintf(value, sizeof(value), "%d",
+ pcm->frame_bits/pcm->channels);
+ err = snd_pcm_file_append_value(&new_fname,
+ &new_index_ch, &new_len, value);
+ if (err < 0)
+ return err;
+ break;
+
+ case FORMAT_KEY:
+ err = snd_pcm_file_append_value(&new_fname,
+ &new_index_ch, &new_len,
+ snd_pcm_format_name(pcm->format));
+ if (err < 0)
+ return err;
+ break;
+
+ default:
+ /* non-key char, just copying */
+ *(new_index_ch++) = *(old_index_ch);
+ }
+ /* next old char */
+ old_index_ch++;
+ } else {
+ /* plain copying, shifting both strings to next chars */
+ *(new_index_ch++) = *(old_index_ch++);
+ }
+ }
+ /* closing the new string */
+ *(new_index_ch) = '\0';
+ *(new_fname_p) = new_fname;
+ return 0;
+
+}
+
+static int snd_pcm_file_open_output_file(snd_pcm_file_t *file)
+{
+ int err, fd;
+
+ /* fname can contain keys, generating final_fname */
+ err = snd_pcm_file_replace_fname(file, &(file->final_fname));
+ if (err < 0)
+ return err;
+ /*printf("DEBUG - original fname: %s, final fname: %s\n",
+ file->fname, file->final_fname);*/
+
+ if (file->final_fname[0] == '|') {
+ /* pipe mode */
+ FILE *pipe;
+ /* clearing */
+ pipe = popen(file->final_fname + 1, "w");
+ if (!pipe) {
+ SYSERR("running %s for writing failed",
+ file->final_fname);
+ return -errno;
+ }
+ fd = fileno(pipe);
+ } else {
+ if (file->trunc)
+ fd = open(file->final_fname, O_WRONLY|O_CREAT|O_TRUNC,
+ file->perm);
+ else {
+ fd = open(file->final_fname, O_WRONLY|O_CREAT|O_EXCL,
+ file->perm);
+ if (fd < 0) {
+ char *tmpfname = NULL;
+ int idx, len;
+ len = strlen(file->final_fname) + 6;
+ tmpfname = malloc(len);
+ if (!tmpfname)
+ return -ENOMEM;
+ for (idx = 1; idx < 10000; idx++) {
+ snprintf(tmpfname, len,
+ "%s.%04d", file->final_fname,
+ idx);
+ fd = open(tmpfname,
+ O_WRONLY|O_CREAT|O_EXCL,
+ file->perm);
+ if (fd >= 0) {
+ free(file->final_fname);
+ file->final_fname = tmpfname;
+ break;
+ }
+ }
+ if (fd < 0) {
+ SYSERR("open %s for writing failed",
+ file->final_fname);
+ free(tmpfname);
+ return -errno;
+ }
+ }
+ }
+ }
+ file->fd = fd;
+ return 0;
+}
+
+static void setup_wav_header(snd_pcm_t *pcm, struct wav_fmt *fmt)
+{
+ fmt->fmt = TO_LE16(0x01);
+ fmt->chan = TO_LE16(pcm->channels);
+ fmt->rate = TO_LE32(pcm->rate);
+ fmt->bwidth = pcm->frame_bits / 8;
+ fmt->bps = fmt->bwidth * pcm->rate;
+ fmt->bits = snd_pcm_format_width(pcm->format);
+ fmt->bps = TO_LE32(fmt->bps);
+ fmt->bwidth = TO_LE16(fmt->bwidth);
+ fmt->bits = TO_LE16(fmt->bits);
+}
+
+static int write_wav_header(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ static const char header[] = {
+ 'R', 'I', 'F', 'F',
+ 0x24, 0, 0, 0,
+ 'W', 'A', 'V', 'E',
+ 'f', 'm', 't', ' ',
+ 0x10, 0, 0, 0,
+ };
+ static const char header2[] = {
+ 'd', 'a', 't', 'a',
+ 0, 0, 0, 0
+ };
+
+ setup_wav_header(pcm, &file->wav_header);
+
+ if (write(file->fd, header, sizeof(header)) != sizeof(header) ||
+ write(file->fd, &file->wav_header, sizeof(file->wav_header)) !=
+ sizeof(file->wav_header) ||
+ write(file->fd, header2, sizeof(header2)) != sizeof(header2)) {
+ int err = errno;
+ SYSERR("Write error.\n");
+ return -err;
+ }
+ return 0;
+}
+
+/* fix up the length fields in WAV header */
+static void fixup_wav_header(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ int len, ret;
+
+ /* RIFF length */
+ if (lseek(file->fd, 4, SEEK_SET) == 4) {
+ len = (file->filelen + 0x24) > 0x7fffffff ?
+ 0x7fffffff : (int)(file->filelen + 0x24);
+ len = TO_LE32(len);
+ ret = write(file->fd, &len, 4);
+ if (ret < 0)
+ return;
+ }
+ /* data length */
+ if (lseek(file->fd, 0x28, SEEK_SET) == 0x28) {
+ len = file->filelen > 0x7fffffff ?
+ 0x7fffffff : (int)file->filelen;
+ len = TO_LE32(len);
+ ret = write(file->fd, &len, 4);
+ if (ret < 0)
+ return;
+ }
+}
+#endif /* DOC_HIDDEN */
+
+
+
+static void snd_pcm_file_write_bytes(snd_pcm_t *pcm, size_t bytes)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ assert(bytes <= file->wbuf_used_bytes);
+
+ if (file->format == SND_PCM_FILE_FORMAT_WAV &&
+ !file->wav_header.fmt) {
+ if (write_wav_header(pcm) < 0)
+ return;
+ }
+
+ while (bytes > 0) {
+ snd_pcm_sframes_t err;
+ size_t n = bytes;
+ size_t cont = file->wbuf_size_bytes - file->file_ptr_bytes;
+ if (n > cont)
+ n = cont;
+ err = write(file->fd, file->wbuf + file->file_ptr_bytes, n);
+ if (err < 0) {
+ SYSERR("write failed");
+ break;
+ }
+ bytes -= err;
+ file->wbuf_used_bytes -= err;
+ file->file_ptr_bytes += err;
+ if (file->file_ptr_bytes == file->wbuf_size_bytes)
+ file->file_ptr_bytes = 0;
+ file->filelen += err;
+ if ((snd_pcm_uframes_t)err != n)
+ break;
+ }
+}
+
+static void snd_pcm_file_add_frames(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t frames)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ while (frames > 0) {
+ snd_pcm_uframes_t n = frames;
+ snd_pcm_uframes_t cont = file->wbuf_size - file->appl_ptr;
+ snd_pcm_uframes_t avail = file->wbuf_size - snd_pcm_bytes_to_frames(pcm, file->wbuf_used_bytes);
+ if (n > cont)
+ n = cont;
+ if (n > avail)
+ n = avail;
+ snd_pcm_areas_copy(file->wbuf_areas, file->appl_ptr,
+ areas, offset,
+ pcm->channels, n, pcm->format);
+ frames -= n;
+ offset += n;
+ file->appl_ptr += n;
+ if (file->appl_ptr == file->wbuf_size)
+ file->appl_ptr = 0;
+ file->wbuf_used_bytes += snd_pcm_frames_to_bytes(pcm, n);
+ if (file->wbuf_used_bytes > file->buffer_bytes)
+ snd_pcm_file_write_bytes(pcm, file->wbuf_used_bytes - file->buffer_bytes);
+ assert(file->wbuf_used_bytes < file->wbuf_size_bytes);
+ }
+}
+
+static int snd_pcm_file_close(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ if (file->fname) {
+ if (file->wav_header.fmt)
+ fixup_wav_header(pcm);
+ free((void *)file->fname);
+ if (file->fd >= 0) {
+ close(file->fd);
+ }
+ }
+ if (file->ifname) {
+ free((void *)file->ifname);
+ close(file->ifd);
+ }
+ return snd_pcm_generic_close(pcm);
+}
+
+static int snd_pcm_file_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ int err = snd_pcm_reset(file->gen.slave);
+ if (err >= 0) {
+ /* FIXME: Questionable here */
+ snd_pcm_file_write_bytes(pcm, file->wbuf_used_bytes);
+ assert(file->wbuf_used_bytes == 0);
+ }
+ return err;
+}
+
+static int snd_pcm_file_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ int err = snd_pcm_drop(file->gen.slave);
+ if (err >= 0) {
+ /* FIXME: Questionable here */
+ snd_pcm_file_write_bytes(pcm, file->wbuf_used_bytes);
+ assert(file->wbuf_used_bytes == 0);
+ }
+ return err;
+}
+
+static int snd_pcm_file_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ int err = snd_pcm_drain(file->gen.slave);
+ if (err >= 0) {
+ snd_pcm_file_write_bytes(pcm, file->wbuf_used_bytes);
+ assert(file->wbuf_used_bytes == 0);
+ }
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_rewindable(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_sframes_t res = snd_pcm_rewindable(file->gen.slave);
+ snd_pcm_sframes_t n = snd_pcm_bytes_to_frames(pcm, file->wbuf_used_bytes);
+ if (res > n)
+ res = n;
+ return res;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_sframes_t err;
+ snd_pcm_uframes_t n;
+
+ n = snd_pcm_frames_to_bytes(pcm, frames);
+ if (n > file->wbuf_used_bytes)
+ frames = snd_pcm_bytes_to_frames(pcm, file->wbuf_used_bytes);
+ err = snd_pcm_rewind(file->gen.slave, frames);
+ if (err > 0) {
+ file->appl_ptr = (file->appl_ptr - err + file->wbuf_size) % file->wbuf_size;
+ n = snd_pcm_frames_to_bytes(pcm, err);
+ file->wbuf_used_bytes -= n;
+ }
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_forwardable(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_sframes_t res = snd_pcm_forwardable(file->gen.slave);
+ snd_pcm_sframes_t n = snd_pcm_bytes_to_frames(pcm, file->wbuf_size_bytes - file->wbuf_used_bytes);
+ if (res > n)
+ res = n;
+ return res;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_sframes_t err;
+ snd_pcm_uframes_t n;
+
+ n = snd_pcm_frames_to_bytes(pcm, frames);
+ if (file->wbuf_used_bytes + n > file->wbuf_size_bytes)
+ frames = snd_pcm_bytes_to_frames(pcm, file->wbuf_size_bytes - file->wbuf_used_bytes);
+ err = INTERNAL(snd_pcm_forward)(file->gen.slave, frames);
+ if (err > 0) {
+ file->appl_ptr = (file->appl_ptr + err) % file->wbuf_size;
+ n = snd_pcm_frames_to_bytes(pcm, err);
+ file->wbuf_used_bytes += n;
+ }
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_sframes_t n = snd_pcm_writei(file->gen.slave, buffer, size);
+ if (n > 0) {
+ snd_pcm_areas_from_buf(pcm, areas, (void*) buffer);
+ snd_pcm_file_add_frames(pcm, areas, 0, n);
+ }
+ return n;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_sframes_t n = snd_pcm_writen(file->gen.slave, bufs, size);
+ if (n > 0) {
+ snd_pcm_areas_from_bufs(pcm, areas, bufs);
+ snd_pcm_file_add_frames(pcm, areas, 0, n);
+ }
+ return n;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_sframes_t n;
+
+ n = snd_pcm_readi(file->gen.slave, buffer, size);
+ if (n <= 0)
+ return n;
+ if (file->ifd >= 0) {
+ n = read(file->ifd, buffer, n * pcm->frame_bits / 8);
+ if (n < 0)
+ return n;
+ return n * 8 / pcm->frame_bits;
+ }
+ return n;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_sframes_t n;
+
+ if (file->ifd >= 0) {
+ SNDERR("DEBUG: Noninterleaved read not yet implemented.\n");
+ return 0; /* TODO: Noninterleaved read */
+ }
+
+ n = snd_pcm_readn(file->gen.slave, bufs, size);
+ return n;
+}
+
+static snd_pcm_sframes_t snd_pcm_file_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ snd_pcm_uframes_t ofs;
+ snd_pcm_uframes_t siz = size;
+ const snd_pcm_channel_area_t *areas;
+ snd_pcm_sframes_t result;
+
+ snd_pcm_mmap_begin(file->gen.slave, &areas, &ofs, &siz);
+ assert(ofs == offset && siz == size);
+ result = snd_pcm_mmap_commit(file->gen.slave, ofs, siz);
+ if (result > 0)
+ snd_pcm_file_add_frames(pcm, areas, ofs, result);
+ return result;
+}
+
+static int snd_pcm_file_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ free(file->wbuf);
+ free(file->wbuf_areas);
+ free(file->final_fname);
+ file->wbuf = NULL;
+ file->wbuf_areas = NULL;
+ file->final_fname = NULL;
+ return snd_pcm_hw_free(file->gen.slave);
+}
+
+static int snd_pcm_file_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ unsigned int channel;
+ snd_pcm_t *slave = file->gen.slave;
+ int err = _snd_pcm_hw_params_internal(slave, params);
+ if (err < 0)
+ return err;
+ file->buffer_bytes = snd_pcm_frames_to_bytes(slave, slave->buffer_size);
+ file->wbuf_size = slave->buffer_size * 2;
+ file->wbuf_size_bytes = snd_pcm_frames_to_bytes(slave, file->wbuf_size);
+ file->wbuf_used_bytes = 0;
+ assert(!file->wbuf);
+ file->wbuf = malloc(file->wbuf_size_bytes);
+ if (file->wbuf == NULL) {
+ snd_pcm_file_hw_free(pcm);
+ return -ENOMEM;
+ }
+ file->wbuf_areas = malloc(sizeof(*file->wbuf_areas) * slave->channels);
+ if (file->wbuf_areas == NULL) {
+ snd_pcm_file_hw_free(pcm);
+ return -ENOMEM;
+ }
+ file->appl_ptr = file->file_ptr_bytes = 0;
+ for (channel = 0; channel < slave->channels; ++channel) {
+ snd_pcm_channel_area_t *a = &file->wbuf_areas[channel];
+ a->addr = file->wbuf;
+ a->first = slave->sample_bits * channel;
+ a->step = slave->frame_bits;
+ }
+ if ((file->fd < 0) && (pcm->stream == SND_PCM_STREAM_PLAYBACK)) {
+ err = snd_pcm_file_open_output_file(file);
+ if (err < 0) {
+ SYSERR("failed opening output file %s", file->fname);
+ return err;
+ }
+ }
+ return 0;
+}
+
+static void snd_pcm_file_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_file_t *file = pcm->private_data;
+ if (file->fname)
+ snd_output_printf(out, "File PCM (file=%s)\n", file->fname);
+ else
+ snd_output_printf(out, "File PCM (fd=%d)\n", file->fd);
+ if (file->final_fname)
+ snd_output_printf(out, "Final file PCM (file=%s)\n",
+ file->final_fname);
+
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(file->gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_file_ops = {
+ .close = snd_pcm_file_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_generic_hw_refine,
+ .hw_params = snd_pcm_file_hw_params,
+ .hw_free = snd_pcm_file_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_file_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_file_fast_ops = {
+ .status = snd_pcm_generic_status,
+ .state = snd_pcm_generic_state,
+ .hwsync = snd_pcm_generic_hwsync,
+ .delay = snd_pcm_generic_delay,
+ .prepare = snd_pcm_generic_prepare,
+ .reset = snd_pcm_file_reset,
+ .start = snd_pcm_generic_start,
+ .drop = snd_pcm_file_drop,
+ .drain = snd_pcm_file_drain,
+ .pause = snd_pcm_generic_pause,
+ .rewindable = snd_pcm_file_rewindable,
+ .rewind = snd_pcm_file_rewind,
+ .forwardable = snd_pcm_file_forwardable,
+ .forward = snd_pcm_file_forward,
+ .resume = snd_pcm_generic_resume,
+ .link = snd_pcm_generic_link,
+ .link_slaves = snd_pcm_generic_link_slaves,
+ .unlink = snd_pcm_generic_unlink,
+ .writei = snd_pcm_file_writei,
+ .writen = snd_pcm_file_writen,
+ .readi = snd_pcm_file_readi,
+ .readn = snd_pcm_file_readn,
+ .avail_update = snd_pcm_generic_avail_update,
+ .mmap_commit = snd_pcm_file_mmap_commit,
+ .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
+ .poll_descriptors = snd_pcm_generic_poll_descriptors,
+ .poll_revents = snd_pcm_generic_poll_revents,
+ .htimestamp = snd_pcm_generic_real_htimestamp,
+};
+
+/**
+ * \brief Creates a new File PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param fname Output filename (or NULL if file descriptor fd is available)
+ * \param fd Output file descriptor
+ * \param ifname Input filename (or NULL if file descriptor ifd is available)
+ * \param ifd Input file descriptor (if (ifd < 0) && (ifname == NULL), no input
+ * redirection will be performed)
+ * \param trunc Truncate the file if it already exists
+ * \param fmt File format ("raw" or "wav" are available)
+ * \param perm File permission
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \param stream the direction of PCM stream
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_file_open(snd_pcm_t **pcmp, const char *name,
+ const char *fname, int fd, const char *ifname, int ifd,
+ int trunc,
+ const char *fmt, int perm, snd_pcm_t *slave, int close_slave,
+ snd_pcm_stream_t stream)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_file_t *file;
+ snd_pcm_file_format_t format;
+ struct timespec timespec;
+ int err;
+
+ assert(pcmp);
+ if (fmt == NULL ||
+ strcmp(fmt, "raw") == 0)
+ format = SND_PCM_FILE_FORMAT_RAW;
+ else if (!strcmp(fmt, "wav"))
+ format = SND_PCM_FILE_FORMAT_WAV;
+ else {
+ SNDERR("file format %s is unknown", fmt);
+ return -EINVAL;
+ }
+ file = calloc(1, sizeof(snd_pcm_file_t));
+ if (!file) {
+ return -ENOMEM;
+ }
+
+ /* opening output fname is delayed until writing,
+ when PCM params are known */
+ if (fname)
+ file->fname = strdup(fname);
+ file->trunc = trunc;
+ file->perm = perm;
+
+ if (ifname && (stream == SND_PCM_STREAM_CAPTURE)) {
+ ifd = open(ifname, O_RDONLY); /* TODO: mind blocking mode */
+ if (ifd < 0) {
+ SYSERR("open %s for reading failed", ifname);
+ free(file->fname);
+ free(file);
+ return -errno;
+ }
+ file->ifname = strdup(ifname);
+ }
+ file->fd = fd;
+ file->ifd = ifd;
+ file->format = format;
+ file->gen.slave = slave;
+ file->gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_FILE, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(file->fname);
+ free(file->ifname);
+ free(file);
+ return err;
+ }
+ pcm->ops = &snd_pcm_file_ops;
+ pcm->fast_ops = &snd_pcm_file_fast_ops;
+ pcm->private_data = file;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->mmap_shadow = 1;
+ pcm->tstamp_type = SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY;
+#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+ if (clock_gettime(CLOCK_MONOTONIC, ×pec) == 0)
+ pcm->tstamp_type = SND_PCM_TSTAMP_TYPE_MONOTONIC;
+#endif
+ pcm->stream = stream;
+ snd_pcm_link_hw_ptr(pcm, slave);
+ snd_pcm_link_appl_ptr(pcm, slave);
+ *pcmp = pcm;
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_file Plugin: File
+
+This plugin stores contents of a PCM stream to file or pipes the stream
+to a command, and optionally uses an existing file as an input data source
+(i.e., "virtual mic")
+
+\code
+pcm.name {
+ type file # File PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ file STR # Output filename (or shell command the stream
+ # will be piped to if STR starts with the pipe
+ # char).
+ # STR can contain format keys, replaced by
+ # real values corresponding to the stream:
+ # %r rate (replaced with: 48000)
+ # %c channels (replaced with: 2)
+ # %b bits per sample (replaced with: 16)
+ # %f sample format string
+ # (replaced with: S16_LE)
+ # %% replaced with %
+ or
+ file INT # Output file descriptor number
+ infile STR # Input filename - only raw format
+ or
+ infile INT # Input file descriptor number
+ [format STR] # File format ("raw" or "wav")
+ [perm INT] # Output file permission (octal, def. 0600)
+}
+\endcode
+
+\subsection pcm_plugins_file_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_file_open()
+ <LI>_snd_pcm_file_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new File PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with File PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_file_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ const char *fname = NULL, *ifname = NULL;
+ const char *format = NULL;
+ long fd = -1, ifd = -1, trunc = 1;
+ long perm = 0600;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "format") == 0) {
+ err = snd_config_get_string(n, &format);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "file") == 0) {
+ err = snd_config_get_string(n, &fname);
+ if (err < 0) {
+ err = snd_config_get_integer(n, &fd);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ }
+ continue;
+ }
+ if (strcmp(id, "infile") == 0) {
+ err = snd_config_get_string(n, &ifname);
+ if (err < 0) {
+ err = snd_config_get_integer(n, &ifd);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ }
+ continue;
+ }
+ if (strcmp(id, "perm") == 0) {
+ err = snd_config_get_integer(n, &perm);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ if ((perm & ~0777) != 0) {
+ SNDERR("The field perm must be a valid file permission");
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "truncate") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ return -EINVAL;
+ trunc = err;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!format) {
+ snd_config_t *n;
+ /* read defaults */
+ if (snd_config_search(root, "defaults.pcm.file_format", &n) >= 0) {
+ err = snd_config_get_string(n, &format);
+ if (err < 0) {
+ SNDERR("Invalid file format");
+ return -EINVAL;
+ }
+ }
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ if ((!fname || strlen(fname) == 0) && fd < 0) {
+ snd_config_delete(sconf);
+ SNDERR("file is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_file_open(pcmp, name, fname, fd, ifname, ifd,
+ trunc, format, perm, spcm, 1, stream);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_file_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_generic.c b/src/pcm/pcm_generic.c
new file mode 100644
index 0000000..9b60591
--- /dev/null
+++ b/src/pcm/pcm_generic.c
@@ -0,0 +1,350 @@
+/**
+ * \file pcm/pcm_generic.c
+ * \ingroup PCM
+ * \brief PCM Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2004
+ */
+/*
+ * PCM - Common generic plugin code
+ * Copyright (c) 2004 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <sys/shm.h>
+#include <sys/ioctl.h>
+#include <limits.h>
+#include "pcm_local.h"
+#include "pcm_generic.h"
+
+#ifndef DOC_HIDDEN
+
+int snd_pcm_generic_close(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ int err = 0;
+ if (generic->close_slave)
+ err = snd_pcm_close(generic->slave);
+ free(generic);
+ return err;
+}
+
+int snd_pcm_generic_nonblock(snd_pcm_t *pcm, int nonblock)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_nonblock(generic->slave, nonblock);
+}
+
+int snd_pcm_generic_async(snd_pcm_t *pcm, int sig, pid_t pid)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_async(generic->slave, sig, pid);
+}
+
+int snd_pcm_generic_poll_descriptors_count(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_poll_descriptors_count(generic->slave);
+}
+
+int snd_pcm_generic_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_poll_descriptors(generic->slave, pfds, space);
+}
+
+int snd_pcm_generic_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_poll_descriptors_revents(generic->slave, pfds, nfds, revents);
+}
+
+int snd_pcm_generic_info(snd_pcm_t *pcm, snd_pcm_info_t * info)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_info(generic->slave, info);
+}
+
+int snd_pcm_generic_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_hw_free(generic->slave);
+}
+
+int snd_pcm_generic_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_sw_params(generic->slave, params);
+}
+
+int snd_pcm_generic_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_hw_refine(generic->slave, params);
+}
+
+int snd_pcm_generic_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return _snd_pcm_hw_params_internal(generic->slave, params);
+}
+
+int snd_pcm_generic_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_prepare(generic->slave);
+}
+
+int snd_pcm_generic_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ if (pcm->mmap_shadow) {
+ /* No own buffer is required - the plugin won't change
+ * the data on the buffer, or do safely on-the-place
+ * conversion
+ */
+ return snd_pcm_channel_info(generic->slave, info);
+ } else {
+ /* Allocate own buffer */
+ return snd_pcm_channel_info_shm(pcm, info, -1);
+ }
+}
+
+int snd_pcm_generic_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_status(generic->slave, status);
+}
+
+snd_pcm_state_t snd_pcm_generic_state(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_state(generic->slave);
+}
+
+int snd_pcm_generic_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_hwsync(generic->slave);
+}
+
+int snd_pcm_generic_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_reset(generic->slave);
+}
+
+int snd_pcm_generic_start(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_start(generic->slave);
+}
+
+int snd_pcm_generic_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_drop(generic->slave);
+}
+
+int snd_pcm_generic_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_drain(generic->slave);
+}
+
+int snd_pcm_generic_pause(snd_pcm_t *pcm, int enable)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_pause(generic->slave, enable);
+}
+
+int snd_pcm_generic_resume(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_resume(generic->slave);
+}
+
+int snd_pcm_generic_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_delay(generic->slave, delayp);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_forwardable(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_forwardable(generic->slave);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return INTERNAL(snd_pcm_forward)(generic->slave, frames);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_rewindable(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_rewindable(generic->slave);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_rewind(generic->slave, frames);
+}
+
+int snd_pcm_generic_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
+{
+ snd_pcm_generic_t *generic = pcm1->private_data;
+ if (generic->slave->fast_ops->link)
+ return generic->slave->fast_ops->link(generic->slave->fast_op_arg, pcm2);
+ return -ENOSYS;
+}
+
+int snd_pcm_generic_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ if (generic->slave->fast_ops->link_slaves)
+ return generic->slave->fast_ops->link_slaves(generic->slave->fast_op_arg, master);
+ return -ENOSYS;
+}
+
+int snd_pcm_generic_unlink(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ if (generic->slave->fast_ops->unlink)
+ return generic->slave->fast_ops->unlink(generic->slave->fast_op_arg);
+ return -ENOSYS;
+}
+
+snd_pcm_sframes_t snd_pcm_generic_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_writei(generic->slave, buffer, size);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_writen(generic->slave, bufs, size);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_readi(generic->slave, buffer, size);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_readn(generic->slave, bufs, size);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_mmap_commit(generic->slave, offset, size);
+}
+
+snd_pcm_sframes_t snd_pcm_generic_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_avail_update(generic->slave);
+}
+
+int snd_pcm_generic_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_htimestamp(generic->slave, avail, tstamp);
+}
+
+/* stand-alone version - similar like snd_pcm_hw_htimestamp but
+ * taking the tstamp via gettimestamp().
+ */
+int snd_pcm_generic_real_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_sframes_t avail1;
+ int ok = 0;
+
+ while (1) {
+ avail1 = snd_pcm_avail_update(pcm);
+ if (avail1 < 0)
+ return avail1;
+ if (ok && (snd_pcm_uframes_t)avail1 == *avail)
+ break;
+ *avail = avail1;
+ gettimestamp(tstamp, pcm->tstamp_type);
+ ok = 1;
+ }
+ return 0;
+}
+
+int snd_pcm_generic_mmap(snd_pcm_t *pcm)
+{
+ if (pcm->mmap_shadow) {
+ /* Copy the slave mmapped buffer data */
+ snd_pcm_generic_t *generic = pcm->private_data;
+ pcm->mmap_channels = generic->slave->mmap_channels;
+ pcm->running_areas = generic->slave->running_areas;
+ pcm->stopped_areas = generic->slave->stopped_areas;
+ }
+ return 0;
+}
+
+int snd_pcm_generic_munmap(snd_pcm_t *pcm)
+{
+ if (pcm->mmap_shadow) {
+ /* Clean up */
+ pcm->mmap_channels = NULL;
+ pcm->running_areas = NULL;
+ pcm->stopped_areas = NULL;
+ }
+ return 0;
+}
+
+snd_pcm_chmap_query_t **snd_pcm_generic_query_chmaps(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_query_chmaps(generic->slave);
+}
+
+snd_pcm_chmap_t *snd_pcm_generic_get_chmap(snd_pcm_t *pcm)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_get_chmap(generic->slave);
+}
+
+int snd_pcm_generic_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_set_chmap(generic->slave, map);
+}
+
+int snd_pcm_generic_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail ATTRIBUTE_UNUSED)
+{
+ snd_pcm_generic_t *generic = pcm->private_data;
+ return snd_pcm_may_wait_for_avail_min(generic->slave, snd_pcm_mmap_avail(generic->slave));
+}
+
+#endif /* DOC_HIDDEN */
diff --git a/src/pcm/pcm_generic.h b/src/pcm/pcm_generic.h
new file mode 100644
index 0000000..d189077
--- /dev/null
+++ b/src/pcm/pcm_generic.h
@@ -0,0 +1,164 @@
+/*
+ * PCM - Common generic plugin code
+ * Copyright (c) 2004 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+typedef struct {
+ snd_pcm_t *slave;
+ int close_slave;
+} snd_pcm_generic_t;
+
+/* make local functions really local */
+#define snd_pcm_generic_close \
+ snd1_pcm_generic_close
+#define snd_pcm_generic_nonblock \
+ snd1_pcm_generic_nonblock
+#define snd_pcm_generic_async \
+ snd1_pcm_generic_async
+#define snd_pcm_generic_poll_descriptors_count \
+ snd1_pcm_generic_poll_descriptors_count
+#define snd_pcm_generic_poll_descriptors \
+ snd1_pcm_generic_poll_descriptors
+#define snd_pcm_generic_poll_revents \
+ snd1_pcm_generic_poll_revents
+#define snd_pcm_generic_info \
+ snd1_pcm_generic_info
+#define snd_pcm_generic_hw_free \
+ snd1_pcm_generic_hw_free
+#define snd_pcm_generic_sw_params \
+ snd1_pcm_generic_sw_params
+#define snd_pcm_generic_hw_refine \
+ snd1_pcm_generic_hw_refine
+#define snd_pcm_generic_hw_params \
+ snd1_pcm_generic_hw_params
+#define snd_pcm_generic_channel_info \
+ snd1_pcm_generic_channel_info
+#define snd_pcm_generic_channel_info_no_buffer \
+ snd1_pcm_generic_channel_info_no_buffer
+#define snd_pcm_generic_status \
+ snd1_pcm_generic_status
+#define snd_pcm_generic_state \
+ snd1_pcm_generic_state
+#define snd_pcm_generic_prepare \
+ snd1_pcm_generic_prepare
+#define snd_pcm_generic_hwsync \
+ snd1_pcm_generic_hwsync
+#define snd_pcm_generic_reset \
+ snd1_pcm_generic_reset
+#define snd_pcm_generic_start \
+ snd1_pcm_generic_start
+#define snd_pcm_generic_drop \
+ snd1_pcm_generic_drop
+#define snd_pcm_generic_drain \
+ snd1_pcm_generic_drain
+#define snd_pcm_generic_pause \
+ snd1_pcm_generic_pause
+#define snd_pcm_generic_resume \
+ snd1_pcm_generic_resume
+#define snd_pcm_generic_delay \
+ snd1_pcm_generic_delay
+#define snd_pcm_generic_forwardable \
+ snd1_pcm_generic_forwardable
+#define snd_pcm_generic_forward \
+ snd1_pcm_generic_forward
+#define snd_pcm_generic_rewindable \
+ snd1_pcm_generic_rewindable
+#define snd_pcm_generic_rewind \
+ snd1_pcm_generic_rewind
+#define snd_pcm_generic_link \
+ snd1_pcm_generic_link
+#define snd_pcm_generic_link_slaves \
+ snd1_pcm_generic_link_slaves
+#define snd_pcm_generic_unlink \
+ snd1_pcm_generic_unlink
+#define snd_pcm_generic_writei \
+ snd1_pcm_generic_writei
+#define snd_pcm_generic_writen \
+ snd1_pcm_generic_writen
+#define snd_pcm_generic_readi \
+ snd1_pcm_generic_readi
+#define snd_pcm_generic_readn \
+ snd1_pcm_generic_readn
+#define snd_pcm_generic_mmap_commit \
+ snd1_pcm_generic_mmap_commit
+#define snd_pcm_generic_avail_update \
+ snd1_pcm_generic_avail_update
+#define snd_pcm_generic_mmap \
+ snd1_pcm_generic_mmap
+#define snd_pcm_generic_munmap \
+ snd1_pcm_generic_munmap
+#define snd_pcm_generic_query_chmaps \
+ snd1_pcm_generic_query_chmaps
+#define snd_pcm_generic_get_chmap \
+ snd1_pcm_generic_get_chmap
+#define snd_pcm_generic_set_chmap \
+ snd1_pcm_generic_set_chmap
+#define snd_pcm_generic_may_wait_for_avail_min \
+ snd1_pcm_generic_may_wait_for_avail_min
+
+int snd_pcm_generic_close(snd_pcm_t *pcm);
+int snd_pcm_generic_nonblock(snd_pcm_t *pcm, int nonblock);
+int snd_pcm_generic_async(snd_pcm_t *pcm, int sig, pid_t pid);
+int snd_pcm_generic_poll_descriptors_count(snd_pcm_t *pcm);
+int snd_pcm_generic_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
+int snd_pcm_generic_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_pcm_generic_info(snd_pcm_t *pcm, snd_pcm_info_t * info);
+int snd_pcm_generic_hw_free(snd_pcm_t *pcm);
+int snd_pcm_generic_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
+int snd_pcm_generic_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_generic_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_generic_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
+int snd_pcm_generic_channel_info_no_buffer(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
+int snd_pcm_generic_status(snd_pcm_t *pcm, snd_pcm_status_t * status);
+snd_pcm_state_t snd_pcm_generic_state(snd_pcm_t *pcm);
+int snd_pcm_generic_prepare(snd_pcm_t *pcm);
+int snd_pcm_generic_hwsync(snd_pcm_t *pcm);
+int snd_pcm_generic_reset(snd_pcm_t *pcm);
+int snd_pcm_generic_start(snd_pcm_t *pcm);
+int snd_pcm_generic_drop(snd_pcm_t *pcm);
+int snd_pcm_generic_drain(snd_pcm_t *pcm);
+int snd_pcm_generic_pause(snd_pcm_t *pcm, int enable);
+int snd_pcm_generic_resume(snd_pcm_t *pcm);
+int snd_pcm_generic_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
+snd_pcm_sframes_t snd_pcm_generic_forwardable(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_generic_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_generic_rewindable(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_generic_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+int snd_pcm_generic_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
+int snd_pcm_generic_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master);
+int snd_pcm_generic_unlink(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_generic_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_generic_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_generic_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_generic_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_generic_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_generic_avail_update(snd_pcm_t *pcm);
+int snd_pcm_generic_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *timestamp);
+int snd_pcm_generic_real_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp);
+int snd_pcm_generic_mmap(snd_pcm_t *pcm);
+int snd_pcm_generic_munmap(snd_pcm_t *pcm);
+snd_pcm_chmap_query_t **snd_pcm_generic_query_chmaps(snd_pcm_t *pcm);
+snd_pcm_chmap_t *snd_pcm_generic_get_chmap(snd_pcm_t *pcm);
+int snd_pcm_generic_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
+int snd_pcm_generic_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail);
+
diff --git a/src/pcm/pcm_hooks.c b/src/pcm/pcm_hooks.c
new file mode 100644
index 0000000..ce1cf36
--- /dev/null
+++ b/src/pcm/pcm_hooks.c
@@ -0,0 +1,728 @@
+/**
+ * \file pcm/pcm_hooks.c
+ * \ingroup PCM_Hook
+ * \brief PCM Hook Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Hook functions
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+#include "pcm_generic.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_hooks = "";
+#endif
+
+#ifndef DOC_HIDDEN
+struct _snd_pcm_hook {
+ snd_pcm_t *pcm;
+ snd_pcm_hook_func_t func;
+ void *private_data;
+ struct list_head list;
+};
+
+struct snd_pcm_hook_dllist {
+ void *dlobj;
+ struct list_head list;
+};
+
+typedef struct {
+ snd_pcm_generic_t gen;
+ struct list_head hooks[SND_PCM_HOOK_TYPE_LAST + 1];
+ struct list_head dllist;
+} snd_pcm_hooks_t;
+#endif
+
+static int hook_add_dlobj(snd_pcm_t *pcm, void *dlobj)
+{
+ snd_pcm_hooks_t *h = pcm->private_data;
+ struct snd_pcm_hook_dllist *dl;
+
+ dl = malloc(sizeof(*dl));
+ if (!dl)
+ return -ENOMEM;
+
+ dl->dlobj = dlobj;
+ list_add_tail(&dl->list, &h->dllist);
+ return 0;
+}
+
+static void hook_remove_dlobj(struct snd_pcm_hook_dllist *dl)
+{
+ list_del(&dl->list);
+ snd_dlclose(dl->dlobj);
+ free(dl);
+}
+
+static int snd_pcm_hooks_close(snd_pcm_t *pcm)
+{
+ snd_pcm_hooks_t *h = pcm->private_data;
+ struct list_head *pos, *next;
+ unsigned int k;
+ int res = 0, err;
+
+ list_for_each_safe(pos, next, &h->hooks[SND_PCM_HOOK_TYPE_CLOSE]) {
+ snd_pcm_hook_t *hook = list_entry(pos, snd_pcm_hook_t, list);
+ err = hook->func(hook);
+ if (err < 0)
+ res = err;
+ }
+ for (k = 0; k <= SND_PCM_HOOK_TYPE_LAST; ++k) {
+ struct list_head *hooks = &h->hooks[k];
+ while (!list_empty(hooks)) {
+ snd_pcm_hook_t *hook;
+ pos = hooks->next;
+ hook = list_entry(pos, snd_pcm_hook_t, list);
+ snd_pcm_hook_remove(hook);
+ }
+ }
+ while (!list_empty(&h->dllist)) {
+ pos = h->dllist.next;
+ hook_remove_dlobj(list_entry(pos, struct snd_pcm_hook_dllist, list));
+ }
+ err = snd_pcm_generic_close(pcm);
+ if (err < 0)
+ res = err;
+ return res;
+}
+
+static int snd_pcm_hooks_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_hooks_t *h = pcm->private_data;
+ struct list_head *pos, *next;
+ int err = snd_pcm_generic_hw_params(pcm, params);
+ if (err < 0)
+ return err;
+ list_for_each_safe(pos, next, &h->hooks[SND_PCM_HOOK_TYPE_HW_PARAMS]) {
+ snd_pcm_hook_t *hook = list_entry(pos, snd_pcm_hook_t, list);
+ err = hook->func(hook);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_hooks_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_hooks_t *h = pcm->private_data;
+ struct list_head *pos, *next;
+ int err = snd_pcm_generic_hw_free(pcm);
+ if (err < 0)
+ return err;
+ list_for_each_safe(pos, next, &h->hooks[SND_PCM_HOOK_TYPE_HW_FREE]) {
+ snd_pcm_hook_t *hook = list_entry(pos, snd_pcm_hook_t, list);
+ err = hook->func(hook);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static void snd_pcm_hooks_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_hooks_t *h = pcm->private_data;
+ snd_output_printf(out, "Hooks PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(h->gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_hooks_ops = {
+ .close = snd_pcm_hooks_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_generic_hw_refine,
+ .hw_params = snd_pcm_hooks_hw_params,
+ .hw_free = snd_pcm_hooks_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_hooks_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_hooks_fast_ops = {
+ .status = snd_pcm_generic_status,
+ .state = snd_pcm_generic_state,
+ .hwsync = snd_pcm_generic_hwsync,
+ .delay = snd_pcm_generic_delay,
+ .prepare = snd_pcm_generic_prepare,
+ .reset = snd_pcm_generic_reset,
+ .start = snd_pcm_generic_start,
+ .drop = snd_pcm_generic_drop,
+ .drain = snd_pcm_generic_drain,
+ .pause = snd_pcm_generic_pause,
+ .rewindable = snd_pcm_generic_rewindable,
+ .rewind = snd_pcm_generic_rewind,
+ .forwardable = snd_pcm_generic_forwardable,
+ .forward = snd_pcm_generic_forward,
+ .resume = snd_pcm_generic_resume,
+ .link = snd_pcm_generic_link,
+ .link_slaves = snd_pcm_generic_link_slaves,
+ .unlink = snd_pcm_generic_unlink,
+ .writei = snd_pcm_generic_writei,
+ .writen = snd_pcm_generic_writen,
+ .readi = snd_pcm_generic_readi,
+ .readn = snd_pcm_generic_readn,
+ .avail_update = snd_pcm_generic_avail_update,
+ .mmap_commit = snd_pcm_generic_mmap_commit,
+ .htimestamp = snd_pcm_generic_htimestamp,
+ .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
+ .poll_descriptors = snd_pcm_generic_poll_descriptors,
+ .poll_revents = snd_pcm_generic_poll_revents,
+ .may_wait_for_avail_min = snd_pcm_generic_may_wait_for_avail_min,
+};
+
+/**
+ * \brief Creates a new hooks PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param slave Slave PCM
+ * \param close_slave If set, slave PCM handle is closed when hooks PCM is closed
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_hooks_open(snd_pcm_t **pcmp, const char *name, snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_hooks_t *h;
+ unsigned int k;
+ int err;
+ assert(pcmp && slave);
+ h = calloc(1, sizeof(snd_pcm_hooks_t));
+ if (!h)
+ return -ENOMEM;
+ h->gen.slave = slave;
+ h->gen.close_slave = close_slave;
+ for (k = 0; k <= SND_PCM_HOOK_TYPE_LAST; ++k) {
+ INIT_LIST_HEAD(&h->hooks[k]);
+ }
+ INIT_LIST_HEAD(&h->dllist);
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_HOOKS, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(h);
+ return err;
+ }
+ pcm->ops = &snd_pcm_hooks_ops;
+ pcm->fast_ops = &snd_pcm_hooks_fast_ops;
+ pcm->private_data = h;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->mmap_shadow = 1;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_link_hw_ptr(pcm, slave);
+ snd_pcm_link_appl_ptr(pcm, slave);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_hooks Plugin: hooks
+
+This plugin is used to call some 'hook' function when this plugin is opened,
+modified or closed.
+Typically, it is used to change control values for a certain state
+specially for the PCM (see the example below).
+
+\code
+# Hook arguments definition
+hook_args.NAME {
+ ... # Arbitrary arguments
+}
+
+# PCM hook type
+pcm_hook_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [install STR] # Install function (default _snd_pcm_hook_NAME_install)
+}
+
+# PCM hook definition
+pcm_hook.NAME {
+ type STR # PCM Hook type (see pcm_hook_type)
+ [args STR] # Arguments for install function (see hook_args)
+ # or
+ [args { }] # Arguments for install function
+}
+
+# PCM hook plugin
+pcm.NAME {
+ type hooks # PCM with hooks
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ hooks {
+ ID STR # Hook name (see pcm_hook)
+ # or
+ ID { } # Hook definition (see pcm_hook)
+ }
+}
+\endcode
+
+Example:
+
+\code
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ name "Wave Surround Playback Volume"
+ preserve true
+ lock true
+ optional true
+ value [ 0 0 ]
+ }
+ {
+ name "EMU10K1 PCM Send Volume"
+ index { @func private_pcm_subdevice }
+ lock true
+ value [ 0 0 0 0 0 0 255 0 0 0 0 255 ]
+ }
+ ]
+ }
+\endcode
+Here, the controls "Wave Surround Playback Volume" and "EMU10K1 PCM Send Volume"
+are set to the given values when this pcm is accessed. Since these controls
+take multi-dimensional values, the <code>value</code> field is written as
+an array.
+When <code>preserve</code> is true, the old values are saved and restored
+when the pcm is closed. The <code>lock</code> means that the control is
+locked during this pcm is opened, and cannot be changed by others.
+When <code>optional</code> is set, no error is returned but ignored
+even if the specified control doesn't exist.
+
+\subsection pcm_plugins_hooks_funcref Function reference
+
+<UL>
+ <LI>The function ctl_elems - _snd_pcm_hook_ctl_elems_install() - installs
+ CTL settings described by given configuration.
+ <LI>snd_pcm_hooks_open()
+ <LI>_snd_pcm_hooks_open()
+</UL>
+
+*/
+
+static int snd_pcm_hook_add_conf(snd_pcm_t *pcm, snd_config_t *root, snd_config_t *conf)
+{
+ int err;
+ char buf[256];
+ const char *str, *id;
+ const char *lib = NULL, *install = NULL;
+ snd_config_t *type = NULL, *args = NULL;
+ snd_config_iterator_t i, next;
+ int (*install_func)(snd_pcm_t *pcm, snd_config_t *args) = NULL;
+ void *h = NULL;
+
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid hook definition");
+ return -EINVAL;
+ }
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0) {
+ type = n;
+ continue;
+ }
+ if (strcmp(id, "hook_args") == 0) {
+ args = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!type) {
+ SNDERR("type is not defined");
+ return -EINVAL;
+ }
+ err = snd_config_get_id(type, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(type, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(root, "pcm_hook_type", str, &type);
+ if (err >= 0) {
+ if (snd_config_get_type(type) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for PCM type %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, type) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "install") == 0) {
+ err = snd_config_get_string(n, &install);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!install) {
+ install = buf;
+ snprintf(buf, sizeof(buf), "_snd_pcm_hook_%s_install", str);
+ }
+ h = snd_dlopen(lib, RTLD_NOW);
+ install_func = h ? snd_dlsym(h, install, SND_DLSYM_VERSION(SND_PCM_DLSYM_VERSION)) : NULL;
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s",
+ lib ? lib : "[builtin]");
+ err = -ENOENT;
+ } else if (!install_func) {
+ SNDERR("symbol %s is not defined inside %s", install,
+ lib ? lib : "[builtin]");
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (type)
+ snd_config_delete(type);
+ if (err < 0)
+ return err;
+
+ if (args && snd_config_get_string(args, &str) >= 0) {
+ err = snd_config_search_definition(root, "hook_args", str, &args);
+ if (err < 0)
+ SNDERR("unknown hook_args %s", str);
+ else
+ err = install_func(pcm, args);
+ snd_config_delete(args);
+ } else
+ err = install_func(pcm, args);
+
+ if (err >= 0)
+ err = hook_add_dlobj(pcm, h);
+
+ if (err < 0) {
+ if(h)
+ snd_dlclose(h);
+ return err;
+ }
+ return 0;
+}
+
+/**
+ * \brief Creates a new hooks PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with hooks PCM description
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_hooks_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *rpcm = NULL, *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_config_t *hooks = NULL;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "hooks") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ hooks = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hooks_open(&rpcm, name, spcm, 1);
+ if (err < 0) {
+ snd_pcm_close(spcm);
+ return err;
+ }
+ if (!hooks)
+ goto _done;
+ snd_config_for_each(i, next, hooks) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *str;
+ if (snd_config_get_string(n, &str) >= 0) {
+ err = snd_config_search_definition(root, "pcm_hook", str, &n);
+ if (err < 0) {
+ SNDERR("unknown pcm_hook %s", str);
+ } else {
+ err = snd_pcm_hook_add_conf(rpcm, root, n);
+ snd_config_delete(n);
+ }
+ } else
+ err = snd_pcm_hook_add_conf(rpcm, root, n);
+ if (err < 0) {
+ snd_pcm_close(rpcm);
+ return err;
+ }
+ }
+ _done:
+ *pcmp = rpcm;
+ return 0;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_hooks_open, SND_PCM_DLSYM_VERSION);
+#endif
+
+/**
+ * \brief Get PCM handle for a PCM hook
+ * \param hook PCM hook handle
+ * \return PCM handle
+ */
+snd_pcm_t *snd_pcm_hook_get_pcm(snd_pcm_hook_t *hook)
+{
+ assert(hook);
+ return hook->pcm;
+}
+
+/**
+ * \brief Get callback function private data for a PCM hook
+ * \param hook PCM hook handle
+ * \return callback function private data
+ */
+void *snd_pcm_hook_get_private(snd_pcm_hook_t *hook)
+{
+ assert(hook);
+ return hook->private_data;
+}
+
+/**
+ * \brief Set callback function private data for a PCM hook
+ * \param hook PCM hook handle
+ * \param private_data The private data value
+ */
+void snd_pcm_hook_set_private(snd_pcm_hook_t *hook, void *private_data)
+{
+ assert(hook);
+ hook->private_data = private_data;
+}
+
+/**
+ * \brief Add a PCM hook at end of hooks chain
+ * \param hookp Returned PCM hook handle
+ * \param pcm PCM handle
+ * \param type PCM hook type
+ * \param func PCM hook callback function
+ * \param private_data PCM hook private data
+ * \return 0 on success otherwise a negative error code
+ *
+ * Warning: an hook callback function cannot remove an hook of the same type
+ * different from itself
+ */
+int snd_pcm_hook_add(snd_pcm_hook_t **hookp, snd_pcm_t *pcm,
+ snd_pcm_hook_type_t type,
+ snd_pcm_hook_func_t func, void *private_data)
+{
+ snd_pcm_hook_t *h;
+ snd_pcm_hooks_t *hooks;
+ assert(hookp && func);
+ assert(snd_pcm_type(pcm) == SND_PCM_TYPE_HOOKS);
+ h = calloc(1, sizeof(*h));
+ if (!h)
+ return -ENOMEM;
+ h->pcm = pcm;
+ h->func = func;
+ h->private_data = private_data;
+ hooks = pcm->private_data;
+ list_add_tail(&h->list, &hooks->hooks[type]);
+ *hookp = h;
+ return 0;
+}
+
+/**
+ * \brief Remove a PCM hook
+ * \param hook PCM hook handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Warning: an hook callback cannot remove an hook of the same type
+ * different from itself
+ */
+int snd_pcm_hook_remove(snd_pcm_hook_t *hook)
+{
+ assert(hook);
+ list_del(&hook->list);
+ free(hook);
+ return 0;
+}
+
+/*
+ *
+ */
+
+static int snd_pcm_hook_ctl_elems_hw_params(snd_pcm_hook_t *hook)
+{
+ snd_sctl_t *h = snd_pcm_hook_get_private(hook);
+ return snd_sctl_install(h);
+}
+
+static int snd_pcm_hook_ctl_elems_hw_free(snd_pcm_hook_t *hook)
+{
+ snd_sctl_t *h = snd_pcm_hook_get_private(hook);
+ return snd_sctl_remove(h);
+}
+
+static int snd_pcm_hook_ctl_elems_close(snd_pcm_hook_t *hook)
+{
+ snd_sctl_t *h = snd_pcm_hook_get_private(hook);
+ int err = snd_sctl_free(h);
+ snd_pcm_hook_set_private(hook, NULL);
+ return err;
+}
+
+/**
+ * \brief Install CTL settings using hardware associated with PCM handle
+ * \param pcm PCM handle
+ * \param conf Configuration node with CTL settings
+ * \return zero on success otherwise a negative error code
+ */
+int _snd_pcm_hook_ctl_elems_install(snd_pcm_t *pcm, snd_config_t *conf)
+{
+ int err;
+ int card;
+ snd_pcm_info_t *info;
+ char ctl_name[16];
+ snd_ctl_t *ctl;
+ snd_sctl_t *sctl = NULL;
+ snd_config_t *pcm_conf = NULL;
+ snd_pcm_hook_t *h_hw_params = NULL, *h_hw_free = NULL, *h_close = NULL;
+ assert(conf);
+ assert(snd_config_get_type(conf) == SND_CONFIG_TYPE_COMPOUND);
+ snd_pcm_info_alloca(&info);
+ err = snd_pcm_info(pcm, info);
+ if (err < 0)
+ return err;
+ card = snd_pcm_info_get_card(info);
+ if (card < 0) {
+ SNDERR("No card for this PCM");
+ return -EINVAL;
+ }
+ sprintf(ctl_name, "hw:%d", card);
+ err = snd_ctl_open(&ctl, ctl_name, 0);
+ if (err < 0) {
+ SNDERR("Cannot open CTL %s", ctl_name);
+ return err;
+ }
+ err = snd_config_imake_pointer(&pcm_conf, "pcm_handle", pcm);
+ if (err < 0)
+ goto _err;
+ err = snd_sctl_build(&sctl, ctl, conf, pcm_conf, 0);
+ if (err < 0)
+ goto _err;
+ err = snd_pcm_hook_add(&h_hw_params, pcm, SND_PCM_HOOK_TYPE_HW_PARAMS,
+ snd_pcm_hook_ctl_elems_hw_params, sctl);
+ if (err < 0)
+ goto _err;
+ err = snd_pcm_hook_add(&h_hw_free, pcm, SND_PCM_HOOK_TYPE_HW_FREE,
+ snd_pcm_hook_ctl_elems_hw_free, sctl);
+ if (err < 0)
+ goto _err;
+ err = snd_pcm_hook_add(&h_close, pcm, SND_PCM_HOOK_TYPE_CLOSE,
+ snd_pcm_hook_ctl_elems_close, sctl);
+ if (err < 0)
+ goto _err;
+ snd_config_delete(pcm_conf);
+ return 0;
+ _err:
+ if (h_hw_params)
+ snd_pcm_hook_remove(h_hw_params);
+ if (h_hw_free)
+ snd_pcm_hook_remove(h_hw_free);
+ if (h_close)
+ snd_pcm_hook_remove(h_close);
+ if (sctl)
+ snd_sctl_free(sctl);
+ if (pcm_conf)
+ snd_config_delete(pcm_conf);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_hook_ctl_elems_install, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_hw.c b/src/pcm/pcm_hw.c
new file mode 100644
index 0000000..c34b766
--- /dev/null
+++ b/src/pcm/pcm_hw.c
@@ -0,0 +1,1877 @@
+/**
+ * \file pcm/pcm_hw.c
+ * \ingroup PCM_Plugins
+ * \brief PCM HW Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Hardware
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include "pcm_local.h"
+#include "../control/control_local.h"
+#include "../timer/timer_local.h"
+
+//#define DEBUG_RW /* use to debug readi/writei/readn/writen */
+//#define DEBUG_MMAP /* debug mmap_commit */
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_hw = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+#ifndef F_SETSIG
+#define F_SETSIG 10
+#endif
+
+/*
+ * Compatibility
+ */
+
+struct sndrv_pcm_hw_params_old {
+ unsigned int flags;
+ unsigned int masks[SNDRV_PCM_HW_PARAM_SUBFORMAT -
+ SNDRV_PCM_HW_PARAM_ACCESS + 1];
+ struct snd_interval intervals[SNDRV_PCM_HW_PARAM_TICK_TIME -
+ SNDRV_PCM_HW_PARAM_SAMPLE_BITS + 1];
+ unsigned int rmask;
+ unsigned int cmask;
+ unsigned int info;
+ unsigned int msbits;
+ unsigned int rate_num;
+ unsigned int rate_den;
+ sndrv_pcm_uframes_t fifo_size;
+ unsigned char reserved[64];
+};
+
+#define SND_PCM_IOCTL_HW_REFINE_OLD _IOWR('A', 0x10, struct sndrv_pcm_hw_params_old)
+#define SND_PCM_IOCTL_HW_PARAMS_OLD _IOWR('A', 0x11, struct sndrv_pcm_hw_params_old)
+
+static int use_old_hw_params_ioctl(int fd, unsigned int cmd, snd_pcm_hw_params_t *params);
+static snd_pcm_sframes_t snd_pcm_hw_avail_update(snd_pcm_t *pcm);
+static const snd_pcm_fast_ops_t snd_pcm_hw_fast_ops;
+static const snd_pcm_fast_ops_t snd_pcm_hw_fast_ops_timer;
+
+/*
+ *
+ */
+
+typedef struct {
+ int version;
+ int fd;
+ int card, device, subdevice;
+ int sync_ptr_ioctl;
+ volatile struct snd_pcm_mmap_status * mmap_status;
+ struct snd_pcm_mmap_control *mmap_control;
+ struct snd_pcm_sync_ptr *sync_ptr;
+ int period_event;
+ snd_timer_t *period_timer;
+ struct pollfd period_timer_pfd;
+ int period_timer_need_poll;
+ /* restricted parameters */
+ snd_pcm_format_t format;
+ int rate;
+ int channels;
+ /* for chmap */
+ unsigned int chmap_caps;
+ snd_pcm_chmap_query_t **chmap_override;
+} snd_pcm_hw_t;
+
+#define SNDRV_FILE_PCM_STREAM_PLAYBACK ALSA_DEVICE_DIRECTORY "pcmC%iD%ip"
+#define SNDRV_FILE_PCM_STREAM_CAPTURE ALSA_DEVICE_DIRECTORY "pcmC%iD%ic"
+#define SNDRV_PCM_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 9)
+
+/* update appl_ptr with driver */
+#define FAST_PCM_STATE(hw) \
+ ((snd_pcm_state_t) (hw)->mmap_status->state)
+#define FAST_PCM_TSTAMP(hw) \
+ ((hw)->mmap_status->tstamp)
+
+struct timespec snd_pcm_hw_fast_tstamp(snd_pcm_t *pcm)
+{
+ struct timespec res;
+ snd_pcm_hw_t *hw = pcm->private_data;
+ res = FAST_PCM_TSTAMP(hw);
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 5) > hw->version)
+ res.tv_nsec *= 1000L;
+ return res;
+}
+#endif /* DOC_HIDDEN */
+
+static int sync_ptr1(snd_pcm_hw_t *hw, unsigned int flags)
+{
+ int err;
+ hw->sync_ptr->flags = flags;
+ err = ioctl((hw)->fd, SNDRV_PCM_IOCTL_SYNC_PTR, (hw)->sync_ptr);
+ if (err < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_SYNC_PTR failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static inline int sync_ptr(snd_pcm_hw_t *hw, unsigned int flags)
+{
+ return hw->sync_ptr ? sync_ptr1(hw, flags) : 0;
+}
+
+static int snd_pcm_hw_clear_timer_queue(snd_pcm_hw_t *hw)
+{
+ if (hw->period_timer_need_poll) {
+ while (poll(&hw->period_timer_pfd, 1, 0) > 0) {
+ snd_timer_tread_t rbuf[4];
+ snd_timer_read(hw->period_timer, rbuf, sizeof(rbuf));
+ }
+ } else {
+ snd_timer_tread_t rbuf[4];
+ snd_timer_read(hw->period_timer, rbuf, sizeof(rbuf));
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_poll_descriptors_count(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 2;
+}
+
+static int snd_pcm_hw_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+
+ if (space < 2)
+ return -ENOMEM;
+ pfds[0].fd = hw->fd;
+ pfds[0].events = pcm->poll_events | POLLERR | POLLNVAL;
+ pfds[1].fd = hw->period_timer_pfd.fd;
+ pfds[1].events = POLLIN | POLLERR | POLLNVAL;
+ return 2;
+}
+
+static int snd_pcm_hw_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned nfds, unsigned short *revents)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ unsigned int events;
+
+ if (nfds != 2 || pfds[0].fd != hw->fd || pfds[1].fd != hw->period_timer_pfd.fd)
+ return -EINVAL;
+ events = pfds[0].revents;
+ if (pfds[1].revents & POLLIN) {
+ snd_pcm_hw_clear_timer_queue(hw);
+ events |= pcm->poll_events & ~(POLLERR|POLLNVAL);
+ }
+ *revents = events;
+ return 0;
+}
+
+static int snd_pcm_hw_nonblock(snd_pcm_t *pcm, int nonblock)
+{
+ long flags;
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+
+ if ((flags = fcntl(fd, F_GETFL)) < 0) {
+ err = -errno;
+ SYSMSG("F_GETFL failed (%i)", err);
+ return err;
+ }
+ if (nonblock)
+ flags |= O_NONBLOCK;
+ else
+ flags &= ~O_NONBLOCK;
+ if (fcntl(fd, F_SETFL, flags) < 0) {
+ err = -errno;
+ SYSMSG("F_SETFL for O_NONBLOCK failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_async(snd_pcm_t *pcm, int sig, pid_t pid)
+{
+ long flags;
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+
+ if ((flags = fcntl(fd, F_GETFL)) < 0) {
+ err = -errno;
+ SYSMSG("F_GETFL failed (%i)", err);
+ return err;
+ }
+ if (sig >= 0)
+ flags |= O_ASYNC;
+ else
+ flags &= ~O_ASYNC;
+ if (fcntl(fd, F_SETFL, flags) < 0) {
+ err = -errno;
+ SYSMSG("F_SETFL for O_ASYNC failed (%i)", err);
+ return err;
+ }
+ if (sig < 0)
+ return 0;
+ if (fcntl(fd, F_SETSIG, (long)sig) < 0) {
+ err = -errno;
+ SYSMSG("F_SETSIG failed (%i)", err);
+ return err;
+ }
+ if (fcntl(fd, F_SETOWN, (long)pid) < 0) {
+ err = -errno;
+ SYSMSG("F_SETOWN failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_info(snd_pcm_t *pcm, snd_pcm_info_t * info)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_INFO, info) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_INFO failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static inline int hw_refine_call(snd_pcm_hw_t *pcm_hw, snd_pcm_hw_params_t *params)
+{
+ /* check for new hw_params structure; it's available from 2.0.2 version of PCM API */
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 2) <= pcm_hw->version)
+ return ioctl(pcm_hw->fd, SNDRV_PCM_IOCTL_HW_REFINE, params);
+ return use_old_hw_params_ioctl(pcm_hw->fd, SND_PCM_IOCTL_HW_REFINE_OLD, params);
+}
+
+static int snd_pcm_hw_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+
+ if (hw->format != SND_PCM_FORMAT_UNKNOWN) {
+ err = _snd_pcm_hw_params_set_format(params, hw->format);
+ if (err < 0)
+ return err;
+ }
+ if (hw->channels > 0) {
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_CHANNELS,
+ hw->channels, 0);
+ if (err < 0)
+ return err;
+ }
+ if (hw->rate > 0) {
+ err = _snd_pcm_hw_param_set_minmax(params, SND_PCM_HW_PARAM_RATE,
+ hw->rate, 0, hw->rate + 1, -1);
+ if (err < 0)
+ return err;
+ }
+
+ if (hw_refine_call(hw, params) < 0) {
+ err = -errno;
+ // SYSMSG("SNDRV_PCM_IOCTL_HW_REFINE failed");
+ return err;
+ }
+
+ if (params->info != ~0U) {
+ params->info &= ~0xf0000000;
+ if (pcm->tstamp_type != SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY)
+ params->info |= SND_PCM_INFO_MONOTONIC;
+ }
+
+ return 0;
+}
+
+static inline int hw_params_call(snd_pcm_hw_t *pcm_hw, snd_pcm_hw_params_t *params)
+{
+ /* check for new hw_params structure; it's available from 2.0.2 version of PCM API */
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 2) <= pcm_hw->version)
+ return ioctl(pcm_hw->fd, SNDRV_PCM_IOCTL_HW_PARAMS, params);
+ return use_old_hw_params_ioctl(pcm_hw->fd, SND_PCM_IOCTL_HW_PARAMS_OLD, params);
+}
+
+static int snd_pcm_hw_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (hw_params_call(hw, params) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_HW_PARAMS failed (%i)", err);
+ return err;
+ }
+ params->info &= ~0xf0000000;
+ if (pcm->tstamp_type != SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY)
+ params->info |= SND_PCM_INFO_MONOTONIC;
+ err = sync_ptr(hw, 0);
+ if (err < 0)
+ return err;
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE) {
+ snd_pcm_set_appl_ptr(pcm, &hw->mmap_control->appl_ptr, hw->fd,
+ SNDRV_PCM_MMAP_OFFSET_CONTROL);
+ }
+ return 0;
+}
+
+static void snd_pcm_hw_close_timer(snd_pcm_hw_t *hw)
+{
+ if (hw->period_timer) {
+ snd_timer_close(hw->period_timer);
+ hw->period_timer = NULL;
+ }
+}
+
+static int snd_pcm_hw_change_timer(snd_pcm_t *pcm, int enable)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ snd_timer_params_t *params;
+ unsigned int suspend, resume;
+ int err;
+
+ if (enable) {
+ snd_timer_params_alloca(¶ms);
+ err = snd_timer_hw_open(&hw->period_timer, "hw-pcm-period-event", SND_TIMER_CLASS_PCM, SND_TIMER_SCLASS_NONE, hw->card, hw->device, (hw->subdevice << 1) | (pcm->stream & 1), SND_TIMER_OPEN_NONBLOCK | SND_TIMER_OPEN_TREAD);
+ if (err < 0) {
+ err = snd_timer_hw_open(&hw->period_timer, "hw-pcm-period-event", SND_TIMER_CLASS_PCM, SND_TIMER_SCLASS_NONE, hw->card, hw->device, (hw->subdevice << 1) | (pcm->stream & 1), SND_TIMER_OPEN_NONBLOCK);
+ return err;
+ }
+ if (snd_timer_poll_descriptors_count(hw->period_timer) != 1) {
+ snd_pcm_hw_close_timer(hw);
+ return -EINVAL;
+ }
+ hw->period_timer_pfd.events = POLLIN;
+ hw->period_timer_pfd.revents = 0;
+ snd_timer_poll_descriptors(hw->period_timer, &hw->period_timer_pfd, 1);
+ hw->period_timer_need_poll = 0;
+ suspend = 1<<SND_TIMER_EVENT_MSUSPEND;
+ resume = 1<<SND_TIMER_EVENT_MRESUME;
+ /*
+ * hacks for older kernel drivers
+ */
+ {
+ int ver = 0;
+ ioctl(hw->period_timer_pfd.fd, SNDRV_TIMER_IOCTL_PVERSION, &ver);
+ /* In older versions, check via poll before read() is needed
+ * because of the confliction between TIMER_START and
+ * FIONBIO ioctls.
+ */
+ if (ver < SNDRV_PROTOCOL_VERSION(2, 0, 4))
+ hw->period_timer_need_poll = 1;
+ /*
+ * In older versions, timer uses pause events instead
+ * suspend/resume events.
+ */
+ if (ver < SNDRV_PROTOCOL_VERSION(2, 0, 5)) {
+ suspend = 1<<SND_TIMER_EVENT_MPAUSE;
+ resume = 1<<SND_TIMER_EVENT_MCONTINUE;
+ }
+ }
+ snd_timer_params_set_auto_start(params, 1);
+ snd_timer_params_set_ticks(params, 1);
+ snd_timer_params_set_filter(params, (1<<SND_TIMER_EVENT_TICK) |
+ suspend | resume);
+ err = snd_timer_params(hw->period_timer, params);
+ if (err < 0) {
+ snd_pcm_hw_close_timer(hw);
+ return err;
+ }
+ err = snd_timer_start(hw->period_timer);
+ if (err < 0) {
+ snd_pcm_hw_close_timer(hw);
+ return err;
+ }
+ pcm->fast_ops = &snd_pcm_hw_fast_ops_timer;
+ } else {
+ snd_pcm_hw_close_timer(hw);
+ pcm->fast_ops = &snd_pcm_hw_fast_ops;
+ hw->period_event = 0;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ snd_pcm_hw_change_timer(pcm, 0);
+ if (ioctl(fd, SNDRV_PCM_IOCTL_HW_FREE) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_HW_FREE failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t * params)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ int old_period_event = sw_get_period_event(params);
+ sw_set_period_event(params, 0);
+ if ((snd_pcm_tstamp_t) params->tstamp_mode == pcm->tstamp_mode &&
+ (snd_pcm_tstamp_type_t) params->tstamp_type == pcm->tstamp_type &&
+ params->period_step == pcm->period_step &&
+ params->start_threshold == pcm->start_threshold &&
+ params->stop_threshold == pcm->stop_threshold &&
+ params->silence_threshold == pcm->silence_threshold &&
+ params->silence_size == pcm->silence_size &&
+ old_period_event == hw->period_event) {
+ hw->mmap_control->avail_min = params->avail_min;
+ return sync_ptr(hw, 0);
+ }
+ if (params->tstamp_type == SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW &&
+ hw->version < SNDRV_PROTOCOL_VERSION(2, 0, 12)) {
+ SYSMSG("Kernel doesn't support SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW");
+ return -EINVAL;
+ }
+ if (params->tstamp_type == SND_PCM_TSTAMP_TYPE_MONOTONIC &&
+ hw->version < SNDRV_PROTOCOL_VERSION(2, 0, 5)) {
+ SYSMSG("Kernel doesn't support SND_PCM_TSTAMP_TYPE_MONOTONIC");
+ return -EINVAL;
+ }
+ if (ioctl(fd, SNDRV_PCM_IOCTL_SW_PARAMS, params) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_SW_PARAMS failed (%i)", err);
+ return err;
+ }
+ if ((snd_pcm_tstamp_type_t) params->tstamp_type != pcm->tstamp_type) {
+ if (hw->version < SNDRV_PROTOCOL_VERSION(2, 0, 12)) {
+ int on = (snd_pcm_tstamp_type_t) params->tstamp_type ==
+ SND_PCM_TSTAMP_TYPE_MONOTONIC;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_TSTAMP, &on) < 0) {
+ err = -errno;
+ SNDMSG("TSTAMP failed\n");
+ return err;
+ }
+ }
+ pcm->tstamp_type = params->tstamp_type;
+ }
+ sw_set_period_event(params, old_period_event);
+ hw->mmap_control->avail_min = params->avail_min;
+ if (hw->period_event != old_period_event) {
+ err = snd_pcm_hw_change_timer(pcm, old_period_event);
+ if (err < 0)
+ return err;
+ hw->period_event = old_period_event;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ struct snd_pcm_channel_info i;
+ int fd = hw->fd, err;
+ i.channel = info->channel;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_CHANNEL_INFO, &i) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_CHANNEL_INFO failed (%i)", err);
+ return err;
+ }
+ info->channel = i.channel;
+ info->addr = 0;
+ info->first = i.first;
+ info->step = i.step;
+ info->type = SND_PCM_AREA_MMAP;
+ info->u.mmap.fd = fd;
+ info->u.mmap.offset = i.offset;
+ return 0;
+}
+
+static int snd_pcm_hw_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_STATUS, status) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_STATUS failed (%i)", err);
+ return err;
+ }
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 5) > hw->version) {
+ status->tstamp.tv_nsec *= 1000L;
+ status->trigger_tstamp.tv_nsec *= 1000L;
+ }
+ return 0;
+}
+
+static snd_pcm_state_t snd_pcm_hw_state(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err = sync_ptr(hw, 0);
+ if (err < 0)
+ return err;
+ return (snd_pcm_state_t) hw->mmap_status->state;
+}
+
+static int snd_pcm_hw_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_DELAY, delayp) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_DELAY failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 3) <= hw->version) {
+ if (hw->sync_ptr) {
+ err = sync_ptr1(hw, SNDRV_PCM_SYNC_PTR_HWSYNC);
+ if (err < 0)
+ return err;
+ } else {
+ if (ioctl(fd, SNDRV_PCM_IOCTL_HWSYNC) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_HWSYNC failed (%i)", err);
+ return err;
+ }
+ }
+ } else {
+ snd_pcm_sframes_t delay;
+ int err = snd_pcm_hw_delay(pcm, &delay);
+ if (err < 0) {
+ switch (FAST_PCM_STATE(hw)) {
+ case SND_PCM_STATE_PREPARED:
+ case SND_PCM_STATE_SUSPENDED:
+ return 0;
+ default:
+ return err;
+ }
+ }
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_PREPARE) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_PREPARE failed (%i)", err);
+ return err;
+ }
+ return sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL);
+}
+
+static int snd_pcm_hw_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_RESET) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_RESET failed (%i)", err);
+ return err;
+ }
+ return sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL);
+}
+
+static int snd_pcm_hw_start(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+#if 0
+ assert(pcm->stream != SND_PCM_STREAM_PLAYBACK ||
+ snd_pcm_mmap_playback_hw_avail(pcm) > 0);
+#endif
+ sync_ptr(hw, 0);
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_START) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_START failed (%i)", err);
+#if 0
+ if (err == -EBADFD)
+ SNDERR("PCM state = %s", snd_pcm_state_name(snd_pcm_hw_state(pcm)));
+#endif
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_DROP) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_DROP failed (%i)", err);
+ return err;
+ } else {
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_DRAIN) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_DRAIN failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_pause(snd_pcm_t *pcm, int enable)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_PAUSE, enable) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_PAUSE failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_rewindable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_hw_rewindable(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_REWIND, &frames) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_REWIND failed (%i)", err);
+ return err;
+ }
+ err = sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL);
+ if (err < 0)
+ return err;
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_forwardable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_avail(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 4) <= hw->version) {
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_FORWARD, &frames) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_FORWARD failed (%i)", err);
+ return err;
+ }
+ err = sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL);
+ if (err < 0)
+ return err;
+ return frames;
+ } else {
+ snd_pcm_sframes_t avail;
+
+ err = sync_ptr(hw, SNDRV_PCM_SYNC_PTR_HWSYNC);
+ if (err < 0)
+ return err;
+ switch (FAST_PCM_STATE(hw)) {
+ case SNDRV_PCM_STATE_RUNNING:
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_PAUSED:
+ case SNDRV_PCM_STATE_PREPARED:
+ break;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ default:
+ return -EBADFD;
+ }
+ avail = snd_pcm_mmap_avail(pcm);
+ if (avail < 0)
+ return 0;
+ if (frames > (snd_pcm_uframes_t)avail)
+ frames = avail;
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ err = sync_ptr(hw, 0);
+ if (err < 0)
+ return err;
+ return frames;
+ }
+}
+
+static int snd_pcm_hw_resume(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd, err;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_RESUME) < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_RESUME failed (%i)", err);
+ return err;
+ }
+ return 0;
+}
+
+static int hw_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
+{
+ snd_pcm_hw_t *hw1 = pcm1->private_data;
+ snd_pcm_hw_t *hw2 = pcm2->private_data;
+ if (ioctl(hw1->fd, SNDRV_PCM_IOCTL_LINK, hw2->fd) < 0) {
+ SYSMSG("SNDRV_PCM_IOCTL_LINK failed (%i)", -errno);
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master)
+{
+ if (master->type != SND_PCM_TYPE_HW) {
+ SYSMSG("Invalid type for SNDRV_PCM_IOCTL_LINK (%i)", master->type);
+ return -EINVAL;
+ }
+ return hw_link(master, pcm);
+}
+
+static int snd_pcm_hw_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
+{
+ if (pcm2->type != SND_PCM_TYPE_HW) {
+ if (pcm2->fast_ops->link_slaves)
+ return pcm2->fast_ops->link_slaves(pcm2, pcm1);
+ return -ENOSYS;
+ }
+ return hw_link(pcm1, pcm2);
+ }
+
+static int snd_pcm_hw_unlink(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_UNLINK) < 0) {
+ SYSMSG("SNDRV_PCM_IOCTL_UNLINK failed (%i)", -errno);
+ return -errno;
+ }
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ int err;
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd;
+ struct snd_xferi xferi;
+ xferi.buf = (char*) buffer;
+ xferi.frames = size;
+ xferi.result = 0; /* make valgrind happy */
+ err = ioctl(fd, SNDRV_PCM_IOCTL_WRITEI_FRAMES, &xferi);
+ err = err >= 0 ? sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL) : -errno;
+#ifdef DEBUG_RW
+ fprintf(stderr, "hw_writei: frames = %li, xferi.result = %li, err = %i\n", size, xferi.result, err);
+#endif
+ if (err < 0)
+ return snd_pcm_check_error(pcm, err);
+ return xferi.result;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ int err;
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd;
+ struct snd_xfern xfern;
+ memset(&xfern, 0, sizeof(xfern)); /* make valgrind happy */
+ xfern.bufs = bufs;
+ xfern.frames = size;
+ err = ioctl(fd, SNDRV_PCM_IOCTL_WRITEN_FRAMES, &xfern);
+ err = err >= 0 ? sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL) : -errno;
+#ifdef DEBUG_RW
+ fprintf(stderr, "hw_writen: frames = %li, result = %li, err = %i\n", size, xfern.result, err);
+#endif
+ if (err < 0)
+ return snd_pcm_check_error(pcm, err);
+ return xfern.result;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ int err;
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd;
+ struct snd_xferi xferi;
+ xferi.buf = buffer;
+ xferi.frames = size;
+ xferi.result = 0; /* make valgrind happy */
+ err = ioctl(fd, SNDRV_PCM_IOCTL_READI_FRAMES, &xferi);
+ err = err >= 0 ? sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL) : -errno;
+#ifdef DEBUG_RW
+ fprintf(stderr, "hw_readi: frames = %li, result = %li, err = %i\n", size, xferi.result, err);
+#endif
+ if (err < 0)
+ return snd_pcm_check_error(pcm, err);
+ return xferi.result;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ int err;
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int fd = hw->fd;
+ struct snd_xfern xfern;
+ memset(&xfern, 0, sizeof(xfern)); /* make valgrind happy */
+ xfern.bufs = bufs;
+ xfern.frames = size;
+ err = ioctl(fd, SNDRV_PCM_IOCTL_READN_FRAMES, &xfern);
+ err = err >= 0 ? sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL) : -errno;
+#ifdef DEBUG_RW
+ fprintf(stderr, "hw_readn: frames = %li, result = %li, err = %i\n", size, xfern.result, err);
+#endif
+ if (err < 0)
+ return snd_pcm_check_error(pcm, err);
+ return xfern.result;
+}
+
+static int snd_pcm_hw_mmap_status(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ struct snd_pcm_sync_ptr sync_ptr;
+ void *ptr;
+ int err;
+ ptr = MAP_FAILED;
+ if (hw->sync_ptr_ioctl == 0)
+ ptr = mmap(NULL, page_align(sizeof(struct snd_pcm_mmap_status)),
+ PROT_READ, MAP_FILE|MAP_SHARED,
+ hw->fd, SNDRV_PCM_MMAP_OFFSET_STATUS);
+ if (ptr == MAP_FAILED || ptr == NULL) {
+ memset(&sync_ptr, 0, sizeof(sync_ptr));
+ sync_ptr.c.control.appl_ptr = 0;
+ sync_ptr.c.control.avail_min = 1;
+ err = ioctl(hw->fd, SNDRV_PCM_IOCTL_SYNC_PTR, &sync_ptr);
+ if (err < 0) {
+ err = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_SYNC_PTR failed (%i)", err);
+ return err;
+ }
+ hw->sync_ptr = calloc(1, sizeof(struct snd_pcm_sync_ptr));
+ if (hw->sync_ptr == NULL)
+ return -ENOMEM;
+ hw->mmap_status = &hw->sync_ptr->s.status;
+ hw->mmap_control = &hw->sync_ptr->c.control;
+ hw->sync_ptr_ioctl = 1;
+ } else {
+ hw->mmap_status = ptr;
+ }
+ snd_pcm_set_hw_ptr(pcm, &hw->mmap_status->hw_ptr, hw->fd, SNDRV_PCM_MMAP_OFFSET_STATUS + offsetof(struct snd_pcm_mmap_status, hw_ptr));
+ return 0;
+}
+
+static int snd_pcm_hw_mmap_control(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ void *ptr;
+ int err;
+ if (hw->sync_ptr == NULL) {
+ ptr = mmap(NULL, page_align(sizeof(struct snd_pcm_mmap_control)),
+ PROT_READ|PROT_WRITE, MAP_FILE|MAP_SHARED,
+ hw->fd, SNDRV_PCM_MMAP_OFFSET_CONTROL);
+ if (ptr == MAP_FAILED || ptr == NULL) {
+ err = -errno;
+ SYSMSG("control mmap failed (%i)", err);
+ return err;
+ }
+ hw->mmap_control = ptr;
+ } else {
+ hw->mmap_control->avail_min = 1;
+ }
+ snd_pcm_set_appl_ptr(pcm, &hw->mmap_control->appl_ptr, hw->fd, SNDRV_PCM_MMAP_OFFSET_CONTROL);
+ return 0;
+}
+
+static int snd_pcm_hw_munmap_status(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (hw->sync_ptr_ioctl) {
+ free(hw->sync_ptr);
+ hw->sync_ptr = NULL;
+ } else {
+ if (munmap((void*)hw->mmap_status, page_align(sizeof(*hw->mmap_status))) < 0) {
+ err = -errno;
+ SYSMSG("status munmap failed (%i)", err);
+ return err;
+ }
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_munmap_control(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err;
+ if (hw->sync_ptr_ioctl) {
+ free(hw->sync_ptr);
+ hw->sync_ptr = NULL;
+ } else {
+ if (munmap(hw->mmap_control, page_align(sizeof(*hw->mmap_control))) < 0) {
+ err = -errno;
+ SYSMSG("control munmap failed (%i)", err);
+ return err;
+ }
+ }
+ return 0;
+}
+
+static int snd_pcm_hw_mmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_hw_munmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_hw_close(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ int err = 0;
+ if (close(hw->fd)) {
+ err = -errno;
+ SYSMSG("close failed (%i)\n", err);
+ }
+ snd_pcm_hw_munmap_status(pcm);
+ snd_pcm_hw_munmap_control(pcm);
+ free(hw);
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+
+ snd_pcm_mmap_appl_forward(pcm, size);
+ sync_ptr(hw, 0);
+#ifdef DEBUG_MMAP
+ fprintf(stderr, "appl_forward: hw_ptr = %li, appl_ptr = %li, size = %li\n", *pcm->hw.ptr, *pcm->appl.ptr, size);
+#endif
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_hw_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ snd_pcm_uframes_t avail;
+
+ sync_ptr(hw, 0);
+ avail = snd_pcm_mmap_avail(pcm);
+ switch (FAST_PCM_STATE(hw)) {
+ case SNDRV_PCM_STATE_RUNNING:
+ if (avail >= pcm->stop_threshold) {
+ /* SNDRV_PCM_IOCTL_XRUN ioctl has been implemented since PCM kernel API 2.0.1 */
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 1) <= hw->version) {
+ if (ioctl(hw->fd, SNDRV_PCM_IOCTL_XRUN) < 0)
+ return -errno;
+ }
+ /* everything is ok, state == SND_PCM_STATE_XRUN at the moment */
+ return -EPIPE;
+ }
+ break;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ default:
+ break;
+ }
+ return avail;
+}
+
+static int snd_pcm_hw_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_sframes_t avail1;
+ int ok = 0;
+
+ /* unfortunately, loop is necessary to ensure valid timestamp */
+ while (1) {
+ avail1 = snd_pcm_hw_avail_update(pcm);
+ if (avail1 < 0)
+ return avail1;
+ if (ok && (snd_pcm_uframes_t)avail1 == *avail)
+ break;
+ *avail = avail1;
+ *tstamp = snd_pcm_hw_fast_tstamp(pcm);
+ ok = 1;
+ }
+ return 0;
+}
+
+static void __fill_chmap_ctl_id(snd_ctl_elem_id_t *id, int dev, int subdev,
+ int stream)
+{
+ snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_PCM);
+ if (stream == SND_PCM_STREAM_PLAYBACK)
+ snd_ctl_elem_id_set_name(id, "Playback Channel Map");
+ else
+ snd_ctl_elem_id_set_name(id, "Capture Channel Map");
+ snd_ctl_elem_id_set_device(id, dev);
+ snd_ctl_elem_id_set_index(id, subdev);
+}
+
+static void fill_chmap_ctl_id(snd_pcm_t *pcm, snd_ctl_elem_id_t *id)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ return __fill_chmap_ctl_id(id, hw->device, hw->subdevice, pcm->stream);
+}
+
+static int is_chmap_type(int type)
+{
+ return (type >= SND_CTL_TLVT_CHMAP_FIXED &&
+ type <= SND_CTL_TLVT_CHMAP_PAIRED);
+}
+
+/**
+ * \!brief Query the available channel maps
+ * \param card the card number
+ * \param dev the PCM device number
+ * \param subdev the PCM substream index
+ * \param stream the direction of PCM stream
+ * \return the NULL-terminated array of integer pointers, or NULL at error.
+ *
+ * This function works like snd_pcm_query_chmaps() but it takes the card,
+ * device, substream and stream numbers instead of the already opened
+ * snd_pcm_t instance, so that you can query available channel maps of
+ * a PCM before actually opening it.
+ *
+ * As the parameters stand, the query is performed only to the hw PCM
+ * devices, not the abstracted PCM object in alsa-lib.
+ */
+snd_pcm_chmap_query_t **
+snd_pcm_query_chmaps_from_hw(int card, int dev, int subdev,
+ snd_pcm_stream_t stream)
+{
+ snd_ctl_t *ctl;
+ snd_ctl_elem_id_t *id;
+ unsigned int tlv[2048], *start;
+ snd_pcm_chmap_query_t **map;
+ int i, ret, nums;
+
+ ret = snd_ctl_hw_open(&ctl, NULL, card, 0);
+ if (ret < 0) {
+ SYSMSG("Cannot open the associated CTL\n");
+ return NULL;
+ }
+
+ snd_ctl_elem_id_alloca(&id);
+ __fill_chmap_ctl_id(id, dev, subdev, stream);
+ ret = snd_ctl_elem_tlv_read(ctl, id, tlv, sizeof(tlv));
+ snd_ctl_close(ctl);
+ if (ret < 0) {
+ SYSMSG("Cannot read Channel Map TLV\n");
+ return NULL;
+ }
+
+#if 0
+ for (i = 0; i < 32; i++)
+ fprintf(stderr, "%02x: %08x\n", i, tlv[i]);
+#endif
+ /* FIXME: the parser below assumes that the TLV only contains
+ * chmap-related blocks
+ */
+ if (tlv[0] != SND_CTL_TLVT_CONTAINER) {
+ if (!is_chmap_type(tlv[0])) {
+ SYSMSG("Invalid TLV type %d\n", tlv[0]);
+ return NULL;
+ }
+ start = tlv;
+ nums = 1;
+ } else {
+ unsigned int *p;
+ int size;
+ start = tlv + 2;
+ size = tlv[1];
+ nums = 0;
+ for (p = start; size > 0; ) {
+ if (!is_chmap_type(p[0])) {
+ SYSMSG("Invalid TLV type %d\n", p[0]);
+ return NULL;
+ }
+ nums++;
+ size -= p[1] + 8;
+ p += p[1] / 4 + 2;
+ }
+ }
+ map = calloc(nums + 1, sizeof(int *));
+ if (!map)
+ return NULL;
+ for (i = 0; i < nums; i++) {
+ map[i] = malloc(start[1] + 8);
+ if (!map[i]) {
+ snd_pcm_free_chmaps(map);
+ return NULL;
+ }
+ map[i]->type = start[0] - 0x100;
+ map[i]->map.channels = start[1] / 4;
+ memcpy(map[i]->map.pos, start + 2, start[1]);
+ start += start[1] / 4 + 2;
+ }
+ return map;
+}
+
+enum { CHMAP_CTL_QUERY, CHMAP_CTL_GET, CHMAP_CTL_SET };
+
+static int chmap_caps(snd_pcm_hw_t *hw, int type)
+{
+ if (hw->chmap_caps & (1 << type))
+ return 1;
+ if (hw->chmap_caps & (1 << (type + 8)))
+ return 0;
+ return 1;
+}
+
+static void chmap_caps_set_ok(snd_pcm_hw_t *hw, int type)
+{
+ hw->chmap_caps |= (1 << type);
+}
+
+static void chmap_caps_set_error(snd_pcm_hw_t *hw, int type)
+{
+ hw->chmap_caps |= (1 << (type + 8));
+}
+
+static snd_pcm_chmap_query_t **snd_pcm_hw_query_chmaps(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ snd_pcm_chmap_query_t **map;
+
+ if (hw->chmap_override)
+ return _snd_pcm_copy_chmap_query(hw->chmap_override);
+
+ if (!chmap_caps(hw, CHMAP_CTL_QUERY))
+ return NULL;
+
+ map = snd_pcm_query_chmaps_from_hw(hw->card, hw->device,
+ hw->subdevice, pcm->stream);
+ if (map)
+ chmap_caps_set_ok(hw, CHMAP_CTL_QUERY);
+ else
+ chmap_caps_set_error(hw, CHMAP_CTL_QUERY);
+ return map;
+}
+
+static snd_pcm_chmap_t *snd_pcm_hw_get_chmap(snd_pcm_t *pcm)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ snd_pcm_chmap_t *map;
+ snd_ctl_t *ctl;
+ snd_ctl_elem_id_t *id;
+ snd_ctl_elem_value_t *val;
+ unsigned int i;
+ int ret;
+
+ if (hw->chmap_override)
+ return _snd_pcm_choose_fixed_chmap(pcm, hw->chmap_override);
+
+ if (!chmap_caps(hw, CHMAP_CTL_GET))
+ return NULL;
+
+ switch (FAST_PCM_STATE(hw)) {
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_RUNNING:
+ case SNDRV_PCM_STATE_XRUN:
+ case SNDRV_PCM_STATE_DRAINING:
+ case SNDRV_PCM_STATE_PAUSED:
+ case SNDRV_PCM_STATE_SUSPENDED:
+ break;
+ default:
+ SYSMSG("Invalid PCM state for chmap_get: %s\n",
+ snd_pcm_state_name(FAST_PCM_STATE(hw)));
+ return NULL;
+ }
+ map = malloc(pcm->channels * sizeof(map->pos[0]) + sizeof(*map));
+ if (!map)
+ return NULL;
+ map->channels = pcm->channels;
+ ret = snd_ctl_hw_open(&ctl, NULL, hw->card, 0);
+ if (ret < 0) {
+ free(map);
+ SYSMSG("Cannot open the associated CTL\n");
+ chmap_caps_set_error(hw, CHMAP_CTL_GET);
+ return NULL;
+ }
+ snd_ctl_elem_value_alloca(&val);
+ snd_ctl_elem_id_alloca(&id);
+ fill_chmap_ctl_id(pcm, id);
+ snd_ctl_elem_value_set_id(val, id);
+ ret = snd_ctl_elem_read(ctl, val);
+ snd_ctl_close(ctl);
+ if (ret < 0) {
+ free(map);
+ SYSMSG("Cannot read Channel Map ctl\n");
+ chmap_caps_set_error(hw, CHMAP_CTL_GET);
+ return NULL;
+ }
+ for (i = 0; i < pcm->channels; i++)
+ map->pos[i] = snd_ctl_elem_value_get_integer(val, i);
+ chmap_caps_set_ok(hw, CHMAP_CTL_GET);
+ return map;
+}
+
+static int snd_pcm_hw_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ snd_ctl_t *ctl;
+ snd_ctl_elem_id_t *id;
+ snd_ctl_elem_value_t *val;
+ unsigned int i;
+ int ret;
+
+ if (hw->chmap_override)
+ return -ENXIO;
+
+ if (!chmap_caps(hw, CHMAP_CTL_SET))
+ return -ENXIO;
+
+ if (map->channels > 128) {
+ SYSMSG("Invalid number of channels %d\n", map->channels);
+ return -EINVAL;
+ }
+ if (FAST_PCM_STATE(hw) != SNDRV_PCM_STATE_PREPARED) {
+ SYSMSG("Invalid PCM state for chmap_set: %s\n",
+ snd_pcm_state_name(FAST_PCM_STATE(hw)));
+ return -EBADFD;
+ }
+ ret = snd_ctl_hw_open(&ctl, NULL, hw->card, 0);
+ if (ret < 0) {
+ SYSMSG("Cannot open the associated CTL\n");
+ chmap_caps_set_error(hw, CHMAP_CTL_SET);
+ return ret;
+ }
+ snd_ctl_elem_id_alloca(&id);
+ snd_ctl_elem_value_alloca(&val);
+ fill_chmap_ctl_id(pcm, id);
+ snd_ctl_elem_value_set_id(val, id);
+ for (i = 0; i < map->channels; i++)
+ snd_ctl_elem_value_set_integer(val, i, map->pos[i]);
+ ret = snd_ctl_elem_write(ctl, val);
+ snd_ctl_close(ctl);
+ if (ret >= 0)
+ chmap_caps_set_ok(hw, CHMAP_CTL_SET);
+ else if (ret == -ENOENT || ret == -EPERM || ret == -ENXIO) {
+ chmap_caps_set_error(hw, CHMAP_CTL_SET);
+ ret = -ENXIO;
+ }
+ if (ret < 0)
+ SYSMSG("Cannot write Channel Map ctl\n");
+ return ret;
+}
+
+static void snd_pcm_hw_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_hw_t *hw = pcm->private_data;
+ char *name;
+ int err = snd_card_get_name(hw->card, &name);
+ if (err < 0) {
+ SNDERR("cannot get card name");
+ return;
+ }
+ snd_output_printf(out, "Hardware PCM card %d '%s' device %d subdevice %d\n",
+ hw->card, name, hw->device, hw->subdevice);
+ free(name);
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ snd_output_printf(out, " appl_ptr : %li\n", hw->mmap_control->appl_ptr);
+ snd_output_printf(out, " hw_ptr : %li\n", hw->mmap_status->hw_ptr);
+ }
+}
+
+static const snd_pcm_ops_t snd_pcm_hw_ops = {
+ .close = snd_pcm_hw_close,
+ .info = snd_pcm_hw_info,
+ .hw_refine = snd_pcm_hw_hw_refine,
+ .hw_params = snd_pcm_hw_hw_params,
+ .hw_free = snd_pcm_hw_hw_free,
+ .sw_params = snd_pcm_hw_sw_params,
+ .channel_info = snd_pcm_hw_channel_info,
+ .dump = snd_pcm_hw_dump,
+ .nonblock = snd_pcm_hw_nonblock,
+ .async = snd_pcm_hw_async,
+ .mmap = snd_pcm_hw_mmap,
+ .munmap = snd_pcm_hw_munmap,
+ .query_chmaps = snd_pcm_hw_query_chmaps,
+ .get_chmap = snd_pcm_hw_get_chmap,
+ .set_chmap = snd_pcm_hw_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_hw_fast_ops = {
+ .status = snd_pcm_hw_status,
+ .state = snd_pcm_hw_state,
+ .hwsync = snd_pcm_hw_hwsync,
+ .delay = snd_pcm_hw_delay,
+ .prepare = snd_pcm_hw_prepare,
+ .reset = snd_pcm_hw_reset,
+ .start = snd_pcm_hw_start,
+ .drop = snd_pcm_hw_drop,
+ .drain = snd_pcm_hw_drain,
+ .pause = snd_pcm_hw_pause,
+ .rewindable = snd_pcm_hw_rewindable,
+ .rewind = snd_pcm_hw_rewind,
+ .forwardable = snd_pcm_hw_forwardable,
+ .forward = snd_pcm_hw_forward,
+ .resume = snd_pcm_hw_resume,
+ .link = snd_pcm_hw_link,
+ .link_slaves = snd_pcm_hw_link_slaves,
+ .unlink = snd_pcm_hw_unlink,
+ .writei = snd_pcm_hw_writei,
+ .writen = snd_pcm_hw_writen,
+ .readi = snd_pcm_hw_readi,
+ .readn = snd_pcm_hw_readn,
+ .avail_update = snd_pcm_hw_avail_update,
+ .mmap_commit = snd_pcm_hw_mmap_commit,
+ .htimestamp = snd_pcm_hw_htimestamp,
+ .poll_descriptors = NULL,
+ .poll_descriptors_count = NULL,
+ .poll_revents = NULL,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_hw_fast_ops_timer = {
+ .status = snd_pcm_hw_status,
+ .state = snd_pcm_hw_state,
+ .hwsync = snd_pcm_hw_hwsync,
+ .delay = snd_pcm_hw_delay,
+ .prepare = snd_pcm_hw_prepare,
+ .reset = snd_pcm_hw_reset,
+ .start = snd_pcm_hw_start,
+ .drop = snd_pcm_hw_drop,
+ .drain = snd_pcm_hw_drain,
+ .pause = snd_pcm_hw_pause,
+ .rewindable = snd_pcm_hw_rewindable,
+ .rewind = snd_pcm_hw_rewind,
+ .forwardable = snd_pcm_hw_forwardable,
+ .forward = snd_pcm_hw_forward,
+ .resume = snd_pcm_hw_resume,
+ .link = snd_pcm_hw_link,
+ .link_slaves = snd_pcm_hw_link_slaves,
+ .unlink = snd_pcm_hw_unlink,
+ .writei = snd_pcm_hw_writei,
+ .writen = snd_pcm_hw_writen,
+ .readi = snd_pcm_hw_readi,
+ .readn = snd_pcm_hw_readn,
+ .avail_update = snd_pcm_hw_avail_update,
+ .mmap_commit = snd_pcm_hw_mmap_commit,
+ .htimestamp = snd_pcm_hw_htimestamp,
+ .poll_descriptors = snd_pcm_hw_poll_descriptors,
+ .poll_descriptors_count = snd_pcm_hw_poll_descriptors_count,
+ .poll_revents = snd_pcm_hw_poll_revents,
+};
+
+/**
+ * \brief Creates a new hw PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param fd File descriptor
+ * \param mmap_emulation Obsoleted parameter
+ * \param sync_ptr_ioctl Boolean flag for sync_ptr ioctl
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_hw_open_fd(snd_pcm_t **pcmp, const char *name,
+ int fd, int mmap_emulation ATTRIBUTE_UNUSED,
+ int sync_ptr_ioctl)
+{
+ int ver, mode;
+ snd_pcm_tstamp_type_t tstamp_type = SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY;
+ long fmode;
+ snd_pcm_t *pcm = NULL;
+ snd_pcm_hw_t *hw = NULL;
+ snd_pcm_info_t info;
+ int ret;
+
+ assert(pcmp);
+
+ memset(&info, 0, sizeof(info));
+ if (ioctl(fd, SNDRV_PCM_IOCTL_INFO, &info) < 0) {
+ ret = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_INFO failed (%i)", ret);
+ close(fd);
+ return ret;
+
+ }
+
+ if ((fmode = fcntl(fd, F_GETFL)) < 0) {
+ ret = -errno;
+ close(fd);
+ return ret;
+ }
+ mode = 0;
+ if (fmode & O_NONBLOCK)
+ mode |= SND_PCM_NONBLOCK;
+ if (fmode & O_ASYNC)
+ mode |= SND_PCM_ASYNC;
+
+ if (ioctl(fd, SNDRV_PCM_IOCTL_PVERSION, &ver) < 0) {
+ ret = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_PVERSION failed (%i)", ret);
+ close(fd);
+ return ret;
+ }
+ if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_PCM_VERSION_MAX))
+ return -SND_ERROR_INCOMPATIBLE_VERSION;
+
+#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 9) <= ver) {
+ struct timespec timespec;
+ if (clock_gettime(CLOCK_MONOTONIC, ×pec) == 0) {
+ int on = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_TTSTAMP, &on) < 0) {
+ ret = -errno;
+ SNDMSG("TTSTAMP failed\n");
+ return ret;
+ }
+ tstamp_type = SND_PCM_TSTAMP_TYPE_MONOTONIC;
+ }
+ } else
+#endif
+ if (SNDRV_PROTOCOL_VERSION(2, 0, 5) <= ver) {
+ int on = 1;
+ if (ioctl(fd, SNDRV_PCM_IOCTL_TSTAMP, &on) < 0) {
+ ret = -errno;
+ SNDMSG("TSTAMP failed\n");
+ return ret;
+ }
+ }
+
+ hw = calloc(1, sizeof(snd_pcm_hw_t));
+ if (!hw) {
+ close(fd);
+ return -ENOMEM;
+ }
+
+ hw->version = ver;
+ hw->card = info.card;
+ hw->device = info.device;
+ hw->subdevice = info.subdevice;
+ hw->fd = fd;
+ hw->sync_ptr_ioctl = sync_ptr_ioctl;
+ /* no restriction */
+ hw->format = SND_PCM_FORMAT_UNKNOWN;
+ hw->rate = 0;
+ hw->channels = 0;
+
+ ret = snd_pcm_new(&pcm, SND_PCM_TYPE_HW, name, info.stream, mode);
+ if (ret < 0) {
+ free(hw);
+ close(fd);
+ return ret;
+ }
+
+ pcm->ops = &snd_pcm_hw_ops;
+ pcm->fast_ops = &snd_pcm_hw_fast_ops;
+ pcm->private_data = hw;
+ pcm->poll_fd = fd;
+ pcm->poll_events = info.stream == SND_PCM_STREAM_PLAYBACK ? POLLOUT : POLLIN;
+ pcm->tstamp_type = tstamp_type;
+
+ ret = snd_pcm_hw_mmap_status(pcm);
+ if (ret < 0) {
+ snd_pcm_close(pcm);
+ return ret;
+ }
+ ret = snd_pcm_hw_mmap_control(pcm);
+ if (ret < 0) {
+ snd_pcm_close(pcm);
+ return ret;
+ }
+
+ *pcmp = pcm;
+ return 0;
+}
+
+/**
+ * \brief Creates a new hw PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param card Number of card
+ * \param device Number of device
+ * \param subdevice Number of subdevice
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \param mmap_emulation Obsoleted parameter
+ * \param sync_ptr_ioctl Use SYNC_PTR ioctl rather than mmap for control structures
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
+ int card, int device, int subdevice,
+ snd_pcm_stream_t stream, int mode,
+ int mmap_emulation ATTRIBUTE_UNUSED,
+ int sync_ptr_ioctl)
+{
+ char filename[sizeof(SNDRV_FILE_PCM_STREAM_PLAYBACK) + 20];
+ const char *filefmt;
+ int ret = 0, fd = -1;
+ int attempt = 0;
+ snd_pcm_info_t info;
+ int fmode;
+ snd_ctl_t *ctl;
+
+ assert(pcmp);
+
+ if ((ret = snd_ctl_hw_open(&ctl, NULL, card, 0)) < 0)
+ return ret;
+
+ switch (stream) {
+ case SND_PCM_STREAM_PLAYBACK:
+ filefmt = SNDRV_FILE_PCM_STREAM_PLAYBACK;
+ break;
+ case SND_PCM_STREAM_CAPTURE:
+ filefmt = SNDRV_FILE_PCM_STREAM_CAPTURE;
+ break;
+ default:
+ SNDERR("invalid stream %d", stream);
+ return -EINVAL;
+ }
+ sprintf(filename, filefmt, card, device);
+
+ __again:
+ if (attempt++ > 3) {
+ ret = -EBUSY;
+ goto _err;
+ }
+ ret = snd_ctl_pcm_prefer_subdevice(ctl, subdevice);
+ if (ret < 0)
+ goto _err;
+ fmode = O_RDWR;
+ if (mode & SND_PCM_NONBLOCK)
+ fmode |= O_NONBLOCK;
+ if (mode & SND_PCM_ASYNC)
+ fmode |= O_ASYNC;
+ if (mode & SND_PCM_APPEND)
+ fmode |= O_APPEND;
+ fd = snd_open_device(filename, fmode);
+ if (fd < 0) {
+ ret = -errno;
+ SYSMSG("open '%s' failed (%i)", filename, ret);
+ goto _err;
+ }
+ if (subdevice >= 0) {
+ memset(&info, 0, sizeof(info));
+ if (ioctl(fd, SNDRV_PCM_IOCTL_INFO, &info) < 0) {
+ ret = -errno;
+ SYSMSG("SNDRV_PCM_IOCTL_INFO failed (%i)", ret);
+ goto _err;
+ }
+ if (info.subdevice != (unsigned int) subdevice) {
+ close(fd);
+ goto __again;
+ }
+ }
+ snd_ctl_close(ctl);
+ return snd_pcm_hw_open_fd(pcmp, name, fd, 0, sync_ptr_ioctl);
+ _err:
+ snd_ctl_close(ctl);
+ return ret;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_hw Plugin: hw
+
+This plugin communicates directly with the ALSA kernel driver. It is a raw
+communication without any conversions. The emulation of mmap access can be
+optionally enabled, but expect worse latency in the case.
+
+The nonblock option specifies whether the device is opened in a non-blocking
+manner. Note that the blocking behavior for read/write access won't be
+changed by this option. This influences only on the blocking behavior at
+opening the device. If you would like to keep the compatibility with the
+older ALSA stuff, turn this option off.
+
+\code
+pcm.name {
+ type hw # Kernel PCM
+ card INT/STR # Card name (string) or number (integer)
+ [device INT] # Device number (default 0)
+ [subdevice INT] # Subdevice number (default -1: first available)
+ [sync_ptr_ioctl BOOL] # Use SYNC_PTR ioctl rather than the direct mmap access for control structures
+ [nonblock BOOL] # Force non-blocking open mode
+ [format STR] # Restrict only to the given format
+ [channels INT] # Restrict only to the given channels
+ [rate INT] # Restrict only to the given rate
+ [chmap MAP] # Override channel maps; MAP is a string array
+}
+\endcode
+
+\subsection pcm_plugins_hw_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_hw_open()
+ <LI>_snd_pcm_hw_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new hw PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with hw PCM description
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ long card = -1, device = 0, subdevice = -1;
+ const char *str;
+ int err, sync_ptr_ioctl = 0;
+ int rate = 0, channels = 0;
+ snd_pcm_format_t format = SND_PCM_FORMAT_UNKNOWN;
+ snd_config_t *n;
+ int nonblock = 1; /* non-block per default */
+ snd_pcm_chmap_query_t **chmap = NULL;
+ snd_pcm_hw_t *hw;
+
+ /* look for defaults.pcm.nonblock definition */
+ if (snd_config_search(root, "defaults.pcm.nonblock", &n) >= 0) {
+ err = snd_config_get_bool(n);
+ if (err >= 0)
+ nonblock = err;
+ }
+ snd_config_for_each(i, next, conf) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "card") == 0) {
+ err = snd_config_get_integer(n, &card);
+ if (err < 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ card = snd_card_get_index(str);
+ if (card < 0) {
+ SNDERR("Invalid value for %s", id);
+ return card;
+ }
+ }
+ continue;
+ }
+ if (strcmp(id, "device") == 0) {
+ err = snd_config_get_integer(n, &device);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ continue;
+ }
+ if (strcmp(id, "subdevice") == 0) {
+ err = snd_config_get_integer(n, &subdevice);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ continue;
+ }
+ if (strcmp(id, "sync_ptr_ioctl") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ continue;
+ sync_ptr_ioctl = err;
+ continue;
+ }
+ if (strcmp(id, "nonblock") == 0) {
+ err = snd_config_get_bool(n);
+ if (err < 0)
+ continue;
+ nonblock = err;
+ continue;
+ }
+ if (strcmp(id, "rate") == 0) {
+ long val;
+ err = snd_config_get_integer(n, &val);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ rate = val;
+ continue;
+ }
+ if (strcmp(id, "format") == 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0) {
+ SNDERR("invalid type for %s", id);
+ return err;
+ }
+ format = snd_pcm_format_value(str);
+ continue;
+ }
+ if (strcmp(id, "channels") == 0) {
+ long val;
+ err = snd_config_get_integer(n, &val);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ channels = val;
+ continue;
+ }
+ if (strcmp(id, "chmap") == 0) {
+ snd_pcm_free_chmaps(chmap);
+ chmap = _snd_pcm_parse_config_chmaps(n);
+ if (!chmap) {
+ SNDERR("Invalid channel map for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ snd_pcm_free_chmaps(chmap);
+ return -EINVAL;
+ }
+ if (card < 0) {
+ SNDERR("card is not defined");
+ snd_pcm_free_chmaps(chmap);
+ return -EINVAL;
+ }
+ err = snd_pcm_hw_open(pcmp, name, card, device, subdevice, stream,
+ mode | (nonblock ? SND_PCM_NONBLOCK : 0),
+ 0, sync_ptr_ioctl);
+ if (err < 0) {
+ snd_pcm_free_chmaps(chmap);
+ return err;
+ }
+ if (nonblock && ! (mode & SND_PCM_NONBLOCK)) {
+ /* revert to blocking mode for read/write access */
+ snd_pcm_hw_nonblock(*pcmp, 0);
+ (*pcmp)->mode = mode;
+ } else
+ /* make sure the SND_PCM_NO_xxx flags don't get lost on the
+ * way */
+ (*pcmp)->mode |= mode & (SND_PCM_NO_AUTO_RESAMPLE|
+ SND_PCM_NO_AUTO_CHANNELS|
+ SND_PCM_NO_AUTO_FORMAT|
+ SND_PCM_NO_SOFTVOL);
+
+ hw = (*pcmp)->private_data;
+ if (format != SND_PCM_FORMAT_UNKNOWN)
+ hw->format = format;
+ if (channels > 0)
+ hw->channels = channels;
+ if (rate > 0)
+ hw->rate = rate;
+ if (chmap)
+ hw->chmap_override = chmap;
+
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_hw_open, SND_PCM_DLSYM_VERSION);
+#endif
+
+/*
+ * To be removed helpers, but keep binary compatibility at the time
+ */
+
+#ifndef DOC_HIDDEN
+#define __OLD_TO_NEW_MASK(x) ((x&7)|((x&0x07fffff8)<<5))
+#define __NEW_TO_OLD_MASK(x) ((x&7)|((x&0xffffff00)>>5))
+#endif
+
+static void snd_pcm_hw_convert_from_old_params(snd_pcm_hw_params_t *params,
+ struct sndrv_pcm_hw_params_old *oparams)
+{
+ unsigned int i;
+
+ memset(params, 0, sizeof(*params));
+ params->flags = oparams->flags;
+ for (i = 0; i < sizeof(oparams->masks) / sizeof(unsigned int); i++)
+ params->masks[i].bits[0] = oparams->masks[i];
+ memcpy(params->intervals, oparams->intervals, sizeof(oparams->intervals));
+ params->rmask = __OLD_TO_NEW_MASK(oparams->rmask);
+ params->cmask = __OLD_TO_NEW_MASK(oparams->cmask);
+ params->info = oparams->info;
+ params->msbits = oparams->msbits;
+ params->rate_num = oparams->rate_num;
+ params->rate_den = oparams->rate_den;
+ params->fifo_size = oparams->fifo_size;
+}
+
+static void snd_pcm_hw_convert_to_old_params(struct sndrv_pcm_hw_params_old *oparams,
+ snd_pcm_hw_params_t *params,
+ unsigned int *cmask)
+{
+ unsigned int i, j;
+
+ memset(oparams, 0, sizeof(*oparams));
+ oparams->flags = params->flags;
+ for (i = 0; i < sizeof(oparams->masks) / sizeof(unsigned int); i++) {
+ oparams->masks[i] = params->masks[i].bits[0];
+ for (j = 1; j < sizeof(params->masks[i].bits) / sizeof(unsigned int); j++)
+ if (params->masks[i].bits[j]) {
+ *cmask |= 1 << i;
+ break;
+ }
+ }
+ memcpy(oparams->intervals, params->intervals, sizeof(oparams->intervals));
+ oparams->rmask = __NEW_TO_OLD_MASK(params->rmask);
+ oparams->cmask = __NEW_TO_OLD_MASK(params->cmask);
+ oparams->info = params->info;
+ oparams->msbits = params->msbits;
+ oparams->rate_num = params->rate_num;
+ oparams->rate_den = params->rate_den;
+ oparams->fifo_size = params->fifo_size;
+}
+
+static int use_old_hw_params_ioctl(int fd, unsigned int cmd, snd_pcm_hw_params_t *params)
+{
+ struct sndrv_pcm_hw_params_old oparams;
+ unsigned int cmask = 0;
+ int res;
+
+ snd_pcm_hw_convert_to_old_params(&oparams, params, &cmask);
+ res = ioctl(fd, cmd, &oparams);
+ snd_pcm_hw_convert_from_old_params(params, &oparams);
+ params->cmask |= cmask;
+ return res;
+}
diff --git a/src/pcm/pcm_iec958.c b/src/pcm/pcm_iec958.c
new file mode 100644
index 0000000..38c4ce7
--- /dev/null
+++ b/src/pcm/pcm_iec958.c
@@ -0,0 +1,717 @@
+/**
+ * \file pcm/pcm_iec958.c
+ * \ingroup PCM_Plugins
+ * \brief PCM IEC958 Subframe Conversion Plugin Interface
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2004
+ */
+/*
+ * PCM - IEC958 Subframe Conversion Plugin
+ * Copyright (c) 2004 by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "plugin_ops.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_iec958 = "";
+#endif
+
+/*
+ */
+
+#ifndef DOC_HIDDEN
+
+typedef struct snd_pcm_iec958 snd_pcm_iec958_t;
+
+typedef void (*iec958_f)(snd_pcm_iec958_t *iec,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames);
+
+struct snd_pcm_iec958 {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ unsigned int getput_idx;
+ iec958_f func;
+ snd_pcm_format_t sformat;
+ snd_pcm_format_t format;
+ unsigned int counter;
+ unsigned char status[24];
+ unsigned int byteswap;
+ unsigned char preamble[3]; /* B/M/W or Z/X/Y */
+ snd_pcm_fast_ops_t fops;
+};
+
+enum { PREAMBLE_Z, PREAMBLE_X, PREAMBLE_Y };
+
+#endif /* DOC_HIDDEN */
+
+/*
+ * Determine parity for time slots 4 upto 30
+ * to be sure that bit 4 upt 31 will carry
+ * an even number of ones and zeros.
+ */
+static unsigned int iec958_parity(unsigned int data)
+{
+ unsigned int parity;
+ int bit;
+
+ data >>= 4; /* start from bit 4 */
+ parity = 0;
+ for (bit = 4; bit <= 30; bit++) {
+ if (data & 1)
+ parity++;
+ data >>= 1;
+ }
+ return (parity & 1);
+}
+
+/*
+ * Compose 32bit IEC958 subframe, two sub frames
+ * build one frame with two channels.
+ *
+ * bit 0-3 = preamble
+ * 4-7 = AUX (=0)
+ * 8-27 = data (12-27 for 16bit, 8-27 for 20bit, and 24bit without AUX)
+ * 28 = validity (0 for valid data, else 'in error')
+ * 29 = user data (0)
+ * 30 = channel status (24 bytes for 192 frames)
+ * 31 = parity
+ */
+
+static inline u_int32_t iec958_subframe(snd_pcm_iec958_t *iec, u_int32_t data, int channel)
+{
+ unsigned int byte = iec->counter >> 3;
+ unsigned int mask = 1 << (iec->counter - (byte << 3));
+
+ /* bit 4-27 */
+ data >>= 4;
+ data &= ~0xf;
+
+ /* set IEC status bits (up to 192 bits) */
+ if (iec->status[byte] & mask)
+ data |= 0x40000000;
+
+ if (iec958_parity(data)) /* parity bit 4-30 */
+ data |= 0x80000000;
+
+ /* Preamble */
+ if (channel)
+ data |= iec->preamble[PREAMBLE_Y]; /* odd sub frame, 'Y' */
+ else if (! iec->counter)
+ data |= iec->preamble[PREAMBLE_Z]; /* Block start, 'Z' */
+ else
+ data |= iec->preamble[PREAMBLE_X]; /* even sub frame, 'X' */
+
+ if (iec->byteswap)
+ data = bswap_32(data);
+
+ return data;
+}
+
+static inline int32_t iec958_to_s32(snd_pcm_iec958_t *iec, u_int32_t data)
+{
+ if (iec->byteswap)
+ data = bswap_32(data);
+ data &= ~0xf;
+ data <<= 4;
+ return (int32_t)data;
+}
+
+#ifndef DOC_HIDDEN
+static void snd_pcm_iec958_decode(snd_pcm_iec958_t *iec,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames)
+{
+#define PUT32_LABELS
+#include "plugin_ops.h"
+#undef PUT32_LABELS
+ void *put = put32_labels[iec->getput_idx];
+ unsigned int channel;
+ for (channel = 0; channel < channels; ++channel) {
+ const u_int32_t *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area) / sizeof(u_int32_t);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ int32_t sample = iec958_to_s32(iec, *src);
+ goto *put;
+#define PUT32_END after
+#include "plugin_ops.h"
+#undef PUT32_END
+ after:
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+static void snd_pcm_iec958_encode(snd_pcm_iec958_t *iec,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames)
+{
+#define GET32_LABELS
+#include "plugin_ops.h"
+#undef GET32_LABELS
+ void *get = get32_labels[iec->getput_idx];
+ unsigned int channel;
+ int32_t sample = 0;
+ int counter = iec->counter;
+ for (channel = 0; channel < channels; ++channel) {
+ const char *src;
+ u_int32_t *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area) / sizeof(u_int32_t);
+ frames1 = frames;
+ iec->counter = counter;
+ while (frames1-- > 0) {
+ goto *get;
+#define GET32_END after
+#include "plugin_ops.h"
+#undef GET32_END
+ after:
+ sample = iec958_subframe(iec, sample, channel);
+ // fprintf(stderr, "%d:%08x\n", frames1, sample);
+ *dst = sample;
+ src += src_step;
+ dst += dst_step;
+ iec->counter++;
+ iec->counter %= 192;
+ }
+ }
+}
+#endif /* DOC_HIDDEN */
+
+static int snd_pcm_iec958_hw_refine_cprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ if (iec->sformat == SND_PCM_FORMAT_IEC958_SUBFRAME_LE ||
+ iec->sformat == SND_PCM_FORMAT_IEC958_SUBFRAME_BE) {
+ snd_pcm_format_mask_t format_mask = { SND_PCM_FMTBIT_LINEAR };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ } else {
+ snd_pcm_format_mask_t format_mask = {
+ { (1U << SND_PCM_FORMAT_IEC958_SUBFRAME_LE) |
+ (1U << SND_PCM_FORMAT_IEC958_SUBFRAME_BE) }
+ };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ }
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_iec958_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_params_set_format(sparams, iec->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ return 0;
+}
+
+static int snd_pcm_iec958_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_iec958_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_iec958_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_iec958_hw_refine_cprepare,
+ snd_pcm_iec958_hw_refine_cchange,
+ snd_pcm_iec958_hw_refine_sprepare,
+ snd_pcm_iec958_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_iec958_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ snd_pcm_format_t format;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_iec958_hw_refine_cchange,
+ snd_pcm_iec958_hw_refine_sprepare,
+ snd_pcm_iec958_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &format);
+ if (err < 0)
+ return err;
+
+ iec->format = format;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ if (iec->sformat == SND_PCM_FORMAT_IEC958_SUBFRAME_LE ||
+ iec->sformat == SND_PCM_FORMAT_IEC958_SUBFRAME_BE) {
+ iec->getput_idx = snd_pcm_linear_get_index(format, SND_PCM_FORMAT_S32);
+ iec->func = snd_pcm_iec958_encode;
+ iec->byteswap = iec->sformat != SND_PCM_FORMAT_IEC958_SUBFRAME;
+ } else {
+ iec->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S32, iec->sformat);
+ iec->func = snd_pcm_iec958_decode;
+ iec->byteswap = format != SND_PCM_FORMAT_IEC958_SUBFRAME;
+ }
+ } else {
+ if (iec->sformat == SND_PCM_FORMAT_IEC958_SUBFRAME_LE ||
+ iec->sformat == SND_PCM_FORMAT_IEC958_SUBFRAME_BE) {
+ iec->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S32, format);
+ iec->func = snd_pcm_iec958_decode;
+ iec->byteswap = iec->sformat != SND_PCM_FORMAT_IEC958_SUBFRAME;
+ } else {
+ iec->getput_idx = snd_pcm_linear_get_index(iec->sformat, SND_PCM_FORMAT_S32);
+ iec->func = snd_pcm_iec958_encode;
+ iec->byteswap = format != SND_PCM_FORMAT_IEC958_SUBFRAME;
+ }
+ }
+ /* FIXME: needs to adjust status_bits according to the format
+ * and sample rate
+ */
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_iec958_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ iec->func(iec, slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_iec958_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ iec->func(iec, areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size);
+ *slave_sizep = size;
+ return size;
+}
+
+static int snd_pcm_iec958_init(snd_pcm_t *pcm)
+{
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ iec->counter = 0;
+ return 0;
+}
+
+static void snd_pcm_iec958_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ snd_output_printf(out, "IEC958 subframe conversion PCM (%s)\n",
+ snd_pcm_format_name(iec->sformat));
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(iec->plug.gen.slave, out);
+}
+
+static snd_pcm_sframes_t snd_pcm_iec958_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ unsigned int counter_decrement;
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ snd_pcm_sframes_t result = snd_pcm_plugin_rewind(pcm, frames);
+ if (result <= 0)
+ return result;
+
+ counter_decrement = result % 192;
+ iec->counter += 192 - counter_decrement;
+ iec->counter %= 192;
+ return result;
+}
+
+static snd_pcm_sframes_t snd_pcm_iec958_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+
+{
+ unsigned int counter_increment;
+ snd_pcm_iec958_t *iec = pcm->private_data;
+ snd_pcm_sframes_t result = snd_pcm_plugin_rewind(pcm, frames);
+ if (result <= 0)
+ return result;
+
+ counter_increment = result % 192;
+ iec->counter += counter_increment;
+ iec->counter %= 192;
+ return result;
+}
+
+static const snd_pcm_ops_t snd_pcm_iec958_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_iec958_hw_refine,
+ .hw_params = snd_pcm_iec958_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_iec958_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new IEC958 subframe conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave (destination) format
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \param status_bits The IEC958 status bits
+ * \param preamble_vals The preamble byte values
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_iec958_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat,
+ snd_pcm_t *slave, int close_slave,
+ const unsigned char *status_bits,
+ const unsigned char *preamble_vals)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_iec958_t *iec;
+ int err;
+ static const unsigned char default_status_bits[] = {
+ IEC958_AES0_CON_EMPHASIS_NONE,
+ IEC958_AES1_CON_ORIGINAL | IEC958_AES1_CON_PCM_CODER,
+ 0,
+ IEC958_AES3_CON_FS_48000
+ };
+
+ assert(pcmp && slave);
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_IEC958_SUBFRAME_LE &&
+ sformat != SND_PCM_FORMAT_IEC958_SUBFRAME_BE)
+ return -EINVAL;
+ iec = calloc(1, sizeof(snd_pcm_iec958_t));
+ if (!iec) {
+ return -ENOMEM;
+ }
+ snd_pcm_plugin_init(&iec->plug);
+ iec->sformat = sformat;
+ iec->plug.read = snd_pcm_iec958_read_areas;
+ iec->plug.write = snd_pcm_iec958_write_areas;
+ iec->plug.init = snd_pcm_iec958_init;
+ iec->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ iec->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ iec->plug.gen.slave = slave;
+ iec->plug.gen.close_slave = close_slave;
+
+ if (status_bits)
+ memcpy(iec->status, status_bits, sizeof(iec->status));
+ else
+ memcpy(iec->status, default_status_bits, sizeof(default_status_bits));
+
+ memcpy(iec->preamble, preamble_vals, 3);
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_IEC958, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(iec);
+ return err;
+ }
+ pcm->ops = &snd_pcm_iec958_ops;
+
+ iec->fops = snd_pcm_plugin_fast_ops;
+ iec->fops.rewind = snd_pcm_iec958_rewind;
+ iec->fops.forward = snd_pcm_iec958_forward;
+ pcm->fast_ops = &iec->fops;
+
+ pcm->private_data = iec;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &iec->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &iec->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_iec958 Plugin: IEC958
+
+This plugin converts 32bit IEC958 subframe samples to linear, or linear to
+32bit IEC958 subframe samples.
+
+\code
+pcm.name {
+ type iec958 # IEC958 subframe conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ [status status-bytes] # IEC958 status bits (given in byte array)
+ # IEC958 preamble bits definitions
+ # B/M/W or Z/X/Y, B = block start, M = even subframe, W = odd subframe
+ # As default, Z = 0x08, Y = 0x04, X = 0x02
+ [preamble.z or preamble.b val]
+ [preamble.x or preamble.m val]
+ [preamble.y or preamble.w val]
+}
+\endcode
+
+\subsection pcm_plugins_iec958_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_iec958_open()
+ <LI>_snd_pcm_iec958_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new IEC958 subframe conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_iec958_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_config_t *status = NULL, *preamble = NULL;
+ snd_pcm_format_t sformat;
+ unsigned char status_bits[24];
+ unsigned char preamble_vals[3] = {
+ 0x08, 0x02, 0x04 /* Z, X, Y */
+ };
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "status") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ status = n;
+ continue;
+ }
+ if (strcmp(id, "preamble") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ preamble = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ memset(status_bits, 0, sizeof(status_bits));
+ if (status) {
+ snd_config_iterator_t i, inext;
+ int bytes = 0;
+ snd_config_for_each(i, inext, status) {
+ long val;
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_INTEGER) {
+ SNDERR("invalid IEC958 status bits");
+ return -EINVAL;
+ }
+ err = snd_config_get_integer(n, &val);
+ if (err < 0) {
+ SNDERR("invalid IEC958 status bits");
+ return err;
+ }
+ status_bits[bytes] = val;
+ bytes++;
+ if (bytes >= (int)sizeof(status_bits))
+ break;
+ }
+ // fprintf(stderr, "STATUS bits: %02x %02x %02x %02x\n", status_bits[0], status_bits[1], status_bits[2], status_bits[3]);
+ }
+ if (preamble) {
+ snd_config_iterator_t i, inext;
+ snd_config_for_each(i, inext, preamble) {
+ long val;
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ int idx;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "b") == 0 || strcmp(id, "z") == 0)
+ idx = PREAMBLE_Z;
+ else if (strcmp(id, "m") == 0 || strcmp(id, "x") == 0)
+ idx = PREAMBLE_X;
+ else if (strcmp(id, "w") == 0 || strcmp(id, "y") == 0)
+ idx = PREAMBLE_Y;
+ else {
+ SNDERR("invalid IEC958 preamble type %s", id);
+ return -EINVAL;
+ }
+ err = snd_config_get_integer(n, &val);
+ if (err < 0) {
+ SNDERR("invalid IEC958 preamble value");
+ return err;
+ }
+ preamble_vals[idx] = val;
+ }
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 1,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_MANDATORY, &sformat);
+ if (err < 0)
+ return err;
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_IEC958_SUBFRAME_LE &&
+ sformat != SND_PCM_FORMAT_IEC958_SUBFRAME_BE) {
+ snd_config_delete(sconf);
+ SNDERR("invalid slave format");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_iec958_open(pcmp, name, sformat, spcm, 1,
+ status ? status_bits : NULL,
+ preamble_vals);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_iec958_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_ioplug.c b/src/pcm/pcm_ioplug.c
new file mode 100644
index 0000000..fe9347c
--- /dev/null
+++ b/src/pcm/pcm_ioplug.c
@@ -0,0 +1,1109 @@
+/**
+ * \file pcm/pcm_ioplug.c
+ * \ingroup Plugin_SDK
+ * \brief I/O Plugin SDK
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2005
+ */
+/*
+ * PCM - External I/O Plugin SDK
+ * Copyright (c) 2005 by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+#include "pcm_ioplug.h"
+#include "pcm_ext_parm.h"
+#include "pcm_generic.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_ioplug = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+/* hw_params */
+typedef struct snd_pcm_ioplug_priv {
+ snd_pcm_ioplug_t *data;
+ struct snd_ext_parm params[SND_PCM_IOPLUG_HW_PARAMS];
+ unsigned int last_hw;
+ snd_pcm_uframes_t avail_max;
+ snd_htimestamp_t trigger_tstamp;
+} ioplug_priv_t;
+
+/* update the hw pointer */
+static void snd_pcm_ioplug_hw_ptr_update(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+ snd_pcm_sframes_t hw;
+
+ hw = io->data->callback->pointer(io->data);
+ if (hw >= 0) {
+ unsigned int delta;
+ if ((unsigned int)hw >= io->last_hw)
+ delta = hw - io->last_hw;
+ else
+ delta = pcm->buffer_size + hw - io->last_hw;
+ snd_pcm_mmap_hw_forward(io->data->pcm, delta);
+ io->last_hw = hw;
+ } else
+ io->data->state = SNDRV_PCM_STATE_XRUN;
+}
+
+static int snd_pcm_ioplug_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
+{
+ memset(info, 0, sizeof(*info));
+ info->stream = pcm->stream;
+ info->card = -1;
+ if (pcm->name) {
+ strncpy((char *)info->id, pcm->name, sizeof(info->id));
+ strncpy((char *)info->name, pcm->name, sizeof(info->name));
+ strncpy((char *)info->subname, pcm->name, sizeof(info->subname));
+ }
+ info->subdevices_count = 1;
+ return 0;
+}
+
+static int snd_pcm_ioplug_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
+{
+ return snd_pcm_channel_info_shm(pcm, info, -1);
+}
+
+static int snd_pcm_ioplug_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ memset(status, 0, sizeof(*status));
+ snd_pcm_ioplug_hw_ptr_update(pcm);
+ status->state = io->data->state;
+ status->trigger_tstamp = io->trigger_tstamp;
+ status->avail = snd_pcm_mmap_avail(pcm);
+ status->avail_max = io->avail_max;
+ return 0;
+}
+
+static snd_pcm_state_t snd_pcm_ioplug_state(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+ return io->data->state;
+}
+
+static int snd_pcm_ioplug_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_ioplug_hw_ptr_update(pcm);
+ return 0;
+}
+
+static int snd_pcm_ioplug_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->version >= 0x010001 &&
+ io->data->callback->delay)
+ return io->data->callback->delay(io->data, delayp);
+ else {
+ snd_pcm_ioplug_hw_ptr_update(pcm);
+ *delayp = snd_pcm_mmap_hw_avail(pcm);
+ }
+ return 0;
+}
+
+static int snd_pcm_ioplug_reset(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ io->data->appl_ptr = 0;
+ io->data->hw_ptr = 0;
+ io->last_hw = 0;
+ io->avail_max = 0;
+ return 0;
+}
+
+static int snd_pcm_ioplug_prepare(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ io->data->state = SND_PCM_STATE_PREPARED;
+ snd_pcm_ioplug_reset(pcm);
+ if (io->data->callback->prepare)
+ return io->data->callback->prepare(io->data);
+ return 0;
+}
+
+static const int hw_params_type[SND_PCM_IOPLUG_HW_PARAMS] = {
+ [SND_PCM_IOPLUG_HW_ACCESS] = SND_PCM_HW_PARAM_ACCESS,
+ [SND_PCM_IOPLUG_HW_FORMAT] = SND_PCM_HW_PARAM_FORMAT,
+ [SND_PCM_IOPLUG_HW_CHANNELS] = SND_PCM_HW_PARAM_CHANNELS,
+ [SND_PCM_IOPLUG_HW_RATE] = SND_PCM_HW_PARAM_RATE,
+ [SND_PCM_IOPLUG_HW_PERIOD_BYTES] = SND_PCM_HW_PARAM_PERIOD_BYTES,
+ [SND_PCM_IOPLUG_HW_BUFFER_BYTES] = SND_PCM_HW_PARAM_BUFFER_BYTES,
+ [SND_PCM_IOPLUG_HW_PERIODS] = SND_PCM_HW_PARAM_PERIODS,
+};
+
+/* x = a * b */
+static int rule_mul(snd_pcm_hw_params_t *params, int x, int a, int b)
+{
+ snd_interval_t t;
+
+ snd_interval_mul(hw_param_interval(params, a),
+ hw_param_interval(params, b), &t);
+ return snd_interval_refine(hw_param_interval(params, x), &t);
+}
+
+/* x = a / b */
+static int rule_div(snd_pcm_hw_params_t *params, int x, int a, int b)
+{
+ snd_interval_t t;
+
+ snd_interval_div(hw_param_interval(params, a),
+ hw_param_interval(params, b), &t);
+ return snd_interval_refine(hw_param_interval(params, x), &t);
+}
+
+/* x = a * b / k */
+static int rule_muldivk(snd_pcm_hw_params_t *params, int x, int a, int b, int k)
+{
+ snd_interval_t t;
+
+ snd_interval_muldivk(hw_param_interval(params, a),
+ hw_param_interval(params, b), k, &t);
+ return snd_interval_refine(hw_param_interval(params, x), &t);
+}
+
+/* x = a * k / b */
+static int rule_mulkdiv(snd_pcm_hw_params_t *params, int x, int a, int k, int b)
+{
+ snd_interval_t t;
+
+ snd_interval_mulkdiv(hw_param_interval(params, a), k,
+ hw_param_interval(params, b), &t);
+ return snd_interval_refine(hw_param_interval(params, x), &t);
+}
+
+#if 0
+static void dump_parm(snd_pcm_hw_params_t *params)
+{
+ snd_output_t *log;
+ snd_output_stdio_attach(&log, stderr, 0);
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_close(log);
+}
+#endif
+
+/* refine *_TIME and *_SIZE, then update *_BYTES */
+static int refine_time_and_size(snd_pcm_hw_params_t *params,
+ int time, int size, int bytes)
+{
+ int err, change1 = 0;
+
+ /* size = time * rate / 1000000 */
+ err = rule_muldivk(params, size, time,
+ SND_PCM_HW_PARAM_RATE, 1000000);
+ if (err < 0)
+ return err;
+ change1 |= err;
+
+ /* bytes = size * framebits / 8 */
+ err = rule_muldivk(params, bytes, size,
+ SND_PCM_HW_PARAM_FRAME_BITS, 8);
+ if (err < 0)
+ return err;
+ change1 |= err;
+ return change1;
+}
+
+/* refine *_TIME and *_SIZE from *_BYTES */
+static int refine_back_time_and_size(snd_pcm_hw_params_t *params,
+ int time, int size, int bytes)
+{
+ int err;
+
+ /* size = bytes * 8 / framebits */
+ err = rule_mulkdiv(params, size, bytes, 8, SND_PCM_HW_PARAM_FRAME_BITS);
+ if (err < 0)
+ return err;
+ /* time = size * 1000000 / rate */
+ err = rule_mulkdiv(params, time, size, 1000000, SND_PCM_HW_PARAM_RATE);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+
+static int snd_pcm_ioplug_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ int change = 0, change1, change2, err;
+ ioplug_priv_t *io = pcm->private_data;
+ struct snd_ext_parm *p;
+ unsigned int i;
+
+ /* access, format */
+ for (i = SND_PCM_IOPLUG_HW_ACCESS; i <= SND_PCM_IOPLUG_HW_FORMAT; i++) {
+ err = snd_ext_parm_mask_refine(hw_param_mask(params, hw_params_type[i]),
+ io->params, i);
+ if (err < 0)
+ return err;
+ change |= err;
+ }
+ /* channels, rate */
+ for (; i <= SND_PCM_IOPLUG_HW_RATE; i++) {
+ err = snd_ext_parm_interval_refine(hw_param_interval(params, hw_params_type[i]),
+ io->params, i);
+ if (err < 0)
+ return err;
+ change |= err;
+ }
+
+ if (params->rmask & ((1 << SND_PCM_HW_PARAM_ACCESS) |
+ (1 << SND_PCM_HW_PARAM_FORMAT) |
+ (1 << SND_PCM_HW_PARAM_SUBFORMAT) |
+ (1 << SND_PCM_HW_PARAM_CHANNELS) |
+ (1 << SND_PCM_HW_PARAM_RATE))) {
+ err = snd_pcm_hw_refine_soft(pcm, params);
+ if (err < 0)
+ return err;
+ change |= err;
+ }
+
+ change1 = refine_time_and_size(params, SND_PCM_HW_PARAM_PERIOD_TIME,
+ SND_PCM_HW_PARAM_PERIOD_SIZE,
+ SND_PCM_HW_PARAM_PERIOD_BYTES);
+ if (change1 < 0)
+ return change1;
+ err = snd_ext_parm_interval_refine(hw_param_interval(params, SND_PCM_HW_PARAM_PERIOD_BYTES),
+ io->params, SND_PCM_IOPLUG_HW_PERIOD_BYTES);
+ if (err < 0)
+ return err;
+ change1 |= err;
+ if (change1) {
+ change |= change1;
+ err = refine_back_time_and_size(params, SND_PCM_HW_PARAM_PERIOD_TIME,
+ SND_PCM_HW_PARAM_PERIOD_SIZE,
+ SND_PCM_HW_PARAM_PERIOD_BYTES);
+ if (err < 0)
+ return err;
+ }
+
+ change1 = refine_time_and_size(params, SND_PCM_HW_PARAM_BUFFER_TIME,
+ SND_PCM_HW_PARAM_BUFFER_SIZE,
+ SND_PCM_HW_PARAM_BUFFER_BYTES);
+ if (change1 < 0)
+ return change1;
+ change |= change1;
+
+ do {
+ change2 = 0;
+ err = snd_ext_parm_interval_refine(hw_param_interval(params, SND_PCM_HW_PARAM_BUFFER_BYTES),
+ io->params, SND_PCM_IOPLUG_HW_BUFFER_BYTES);
+ if (err < 0)
+ return err;
+ change2 |= err;
+ /* periods = buffer_bytes / period_bytes */
+ err = rule_div(params, SND_PCM_HW_PARAM_PERIODS,
+ SND_PCM_HW_PARAM_BUFFER_BYTES,
+ SND_PCM_HW_PARAM_PERIOD_BYTES);
+ if (err < 0)
+ return err;
+ change2 |= err;
+ err = snd_ext_parm_interval_refine(hw_param_interval(params, SND_PCM_HW_PARAM_PERIODS),
+ io->params, SND_PCM_IOPLUG_HW_PERIODS);
+ if (err < 0)
+ return err;
+ change2 |= err;
+ /* buffer_bytes = periods * period_bytes */
+ err = rule_mul(params, SND_PCM_HW_PARAM_BUFFER_BYTES,
+ SND_PCM_HW_PARAM_PERIOD_BYTES,
+ SND_PCM_HW_PARAM_PERIODS);
+ if (err < 0)
+ return err;
+ change2 |= err;
+ change1 |= change2;
+ } while (change2);
+ change |= change1;
+
+ if (change1) {
+ err = refine_back_time_and_size(params, SND_PCM_HW_PARAM_BUFFER_TIME,
+ SND_PCM_HW_PARAM_BUFFER_SIZE,
+ SND_PCM_HW_PARAM_BUFFER_BYTES);
+ if (err < 0)
+ return err;
+ }
+
+ /* period_bytes = buffer_bytes / periods */
+ err = rule_div(params, SND_PCM_HW_PARAM_PERIOD_BYTES,
+ SND_PCM_HW_PARAM_BUFFER_BYTES,
+ SND_PCM_HW_PARAM_PERIODS);
+ if (err < 0)
+ return err;
+ if (err) {
+ /* update period_size and period_time */
+ change |= err;
+ err = snd_ext_parm_interval_refine(hw_param_interval(params, SND_PCM_HW_PARAM_PERIOD_BYTES),
+ io->params, SND_PCM_IOPLUG_HW_PERIOD_BYTES);
+ if (err < 0)
+ return err;
+ err = refine_back_time_and_size(params, SND_PCM_HW_PARAM_PERIOD_TIME,
+ SND_PCM_HW_PARAM_PERIOD_SIZE,
+ SND_PCM_HW_PARAM_PERIOD_BYTES);
+ if (err < 0)
+ return err;
+ }
+
+ params->info = SND_PCM_INFO_BLOCK_TRANSFER;
+ p = &io->params[SND_PCM_IOPLUG_HW_ACCESS];
+ if (p->active) {
+ for (i = 0; i < p->num_list; i++)
+ switch (p->list[i]) {
+ case SND_PCM_ACCESS_MMAP_INTERLEAVED:
+ case SND_PCM_ACCESS_RW_INTERLEAVED:
+ params->info |= SND_PCM_INFO_INTERLEAVED;
+ break;
+ case SND_PCM_ACCESS_MMAP_NONINTERLEAVED:
+ case SND_PCM_ACCESS_RW_NONINTERLEAVED:
+ params->info |= SND_PCM_INFO_NONINTERLEAVED;
+ break;
+ }
+ }
+ if (io->data->callback->pause)
+ params->info |= SND_PCM_INFO_PAUSE;
+ if (io->data->callback->resume)
+ params->info |= SND_PCM_INFO_RESUME;
+
+#if 0
+ fprintf(stderr, "XXX\n");
+ dump_parm(params);
+#endif
+ return change;
+}
+
+static int snd_pcm_ioplug_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ ioplug_priv_t *io = pcm->private_data;
+ int err;
+
+ INTERNAL(snd_pcm_hw_params_get_access)(params, &io->data->access);
+ INTERNAL(snd_pcm_hw_params_get_format)(params, &io->data->format);
+ INTERNAL(snd_pcm_hw_params_get_channels)(params, &io->data->channels);
+ INTERNAL(snd_pcm_hw_params_get_rate)(params, &io->data->rate, 0);
+ INTERNAL(snd_pcm_hw_params_get_period_size)(params, &io->data->period_size, 0);
+ INTERNAL(snd_pcm_hw_params_get_buffer_size)(params, &io->data->buffer_size);
+ if (io->data->callback->hw_params) {
+ err = io->data->callback->hw_params(io->data, params);
+ if (err < 0)
+ return err;
+ INTERNAL(snd_pcm_hw_params_get_access)(params, &io->data->access);
+ INTERNAL(snd_pcm_hw_params_get_format)(params, &io->data->format);
+ INTERNAL(snd_pcm_hw_params_get_channels)(params, &io->data->channels);
+ INTERNAL(snd_pcm_hw_params_get_rate)(params, &io->data->rate, 0);
+ INTERNAL(snd_pcm_hw_params_get_period_size)(params, &io->data->period_size, 0);
+ INTERNAL(snd_pcm_hw_params_get_buffer_size)(params, &io->data->buffer_size);
+ }
+ return 0;
+}
+
+static int snd_pcm_ioplug_hw_free(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->callback->hw_free)
+ return io->data->callback->hw_free(io->data);
+ return 0;
+}
+
+static int snd_pcm_ioplug_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->callback->sw_params)
+ return io->data->callback->sw_params(io->data, params);
+ return 0;
+}
+
+
+static int snd_pcm_ioplug_start(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+ int err;
+
+ if (io->data->state != SND_PCM_STATE_PREPARED)
+ return -EBADFD;
+
+ err = io->data->callback->start(io->data);
+ if (err < 0)
+ return err;
+
+ gettimestamp(&io->trigger_tstamp, pcm->tstamp_type);
+ io->data->state = SND_PCM_STATE_RUNNING;
+
+ return 0;
+}
+
+static int snd_pcm_ioplug_drop(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+
+ io->data->callback->stop(io->data);
+
+ gettimestamp(&io->trigger_tstamp, pcm->tstamp_type);
+ io->data->state = SND_PCM_STATE_SETUP;
+
+ return 0;
+}
+
+static int snd_pcm_ioplug_drain(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->state == SND_PCM_STATE_OPEN)
+ return -EBADFD;
+ if (io->data->callback->drain)
+ io->data->callback->drain(io->data);
+ return snd_pcm_ioplug_drop(pcm);
+}
+
+static int snd_pcm_ioplug_pause(snd_pcm_t *pcm, int enable)
+{
+ ioplug_priv_t *io = pcm->private_data;
+ static const snd_pcm_state_t states[2] = {
+ SND_PCM_STATE_RUNNING, SND_PCM_STATE_PAUSED
+ };
+ int prev, err;
+
+ prev = !enable;
+ enable = !prev;
+ if (io->data->state != states[prev])
+ return -EBADFD;
+ if (io->data->callback->pause) {
+ err = io->data->callback->pause(io->data, enable);
+ if (err < 0)
+ return err;
+ }
+ io->data->state = states[enable];
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_rewindable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_hw_rewindable(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_mmap_appl_backward(pcm, frames);
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_forwardable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_avail(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ return frames;
+}
+
+static int snd_pcm_ioplug_resume(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->callback->resume)
+ io->data->callback->resume(io->data);
+ return 0;
+}
+
+static snd_pcm_sframes_t ioplug_priv_transfer_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ ioplug_priv_t *io = pcm->private_data;
+ snd_pcm_sframes_t result;
+
+ if (! size)
+ return 0;
+ if (io->data->callback->transfer)
+ result = io->data->callback->transfer(io->data, areas, offset, size);
+ else
+ result = size;
+ if (result > 0)
+ snd_pcm_mmap_appl_forward(pcm, result);
+ return result;
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ if (pcm->mmap_rw)
+ return snd_pcm_mmap_writei(pcm, buffer, size);
+ else {
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_buf(pcm, areas, (void*)buffer);
+ return snd_pcm_write_areas(pcm, areas, 0, size,
+ ioplug_priv_transfer_areas);
+ }
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ if (pcm->mmap_rw)
+ return snd_pcm_mmap_writen(pcm, bufs, size);
+ else {
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_bufs(pcm, areas, bufs);
+ return snd_pcm_write_areas(pcm, areas, 0, size,
+ ioplug_priv_transfer_areas);
+ }
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ if (pcm->mmap_rw)
+ return snd_pcm_mmap_readi(pcm, buffer, size);
+ else {
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_buf(pcm, areas, buffer);
+ return snd_pcm_read_areas(pcm, areas, 0, size,
+ ioplug_priv_transfer_areas);
+ }
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ if (pcm->mmap_rw)
+ return snd_pcm_mmap_readn(pcm, bufs, size);
+ else {
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_bufs(pcm, areas, bufs);
+ return snd_pcm_read_areas(pcm, areas, 0, size,
+ ioplug_priv_transfer_areas);
+ }
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK &&
+ pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&
+ pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED) {
+ const snd_pcm_channel_area_t *areas;
+ snd_pcm_uframes_t ofs, frames = size;
+
+ snd_pcm_mmap_begin(pcm, &areas, &ofs, &frames);
+ if (ofs != offset)
+ return -EIO;
+ return ioplug_priv_transfer_areas(pcm, areas, offset, frames);
+ }
+
+ snd_pcm_mmap_appl_forward(pcm, size);
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_ioplug_avail_update(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+ snd_pcm_uframes_t avail;
+
+ snd_pcm_ioplug_hw_ptr_update(pcm);
+ if (io->data->state == SND_PCM_STATE_XRUN)
+ return -EPIPE;
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE &&
+ pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&
+ pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED) {
+ if (io->data->callback->transfer) {
+ const snd_pcm_channel_area_t *areas;
+ snd_pcm_uframes_t offset, size = UINT_MAX;
+ snd_pcm_sframes_t result;
+
+ snd_pcm_mmap_begin(pcm, &areas, &offset, &size);
+ result = io->data->callback->transfer(io->data, areas, offset, size);
+ if (result < 0)
+ return result;
+ }
+ }
+ avail = snd_pcm_mmap_avail(pcm);
+ if (avail > io->avail_max)
+ io->avail_max = avail;
+ return (snd_pcm_sframes_t)avail;
+}
+
+static int snd_pcm_ioplug_nonblock(snd_pcm_t *pcm, int nonblock)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ io->data->nonblock = nonblock;
+ return 0;
+}
+
+static int snd_pcm_ioplug_poll_descriptors_count(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->callback->poll_descriptors_count)
+ return io->data->callback->poll_descriptors_count(io->data);
+ else
+ return 1;
+}
+
+static int snd_pcm_ioplug_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->callback->poll_descriptors)
+ return io->data->callback->poll_descriptors(io->data, pfds, space);
+ if (pcm->poll_fd < 0)
+ return -EIO;
+ if (space >= 1 && pfds) {
+ pfds->fd = pcm->poll_fd;
+ pfds->events = pcm->poll_events | POLLERR | POLLNVAL;
+ } else {
+ return 0;
+ }
+ return 1;
+}
+
+static int snd_pcm_ioplug_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->callback->poll_revents)
+ return io->data->callback->poll_revents(io->data, pfds, nfds, revents);
+ else
+ *revents = pfds->revents;
+ return 0;
+}
+
+static int snd_pcm_ioplug_mmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_ioplug_async(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ int sig ATTRIBUTE_UNUSED,
+ pid_t pid ATTRIBUTE_UNUSED)
+{
+ return -ENOSYS;
+}
+
+static int snd_pcm_ioplug_munmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static snd_pcm_chmap_query_t **snd_pcm_ioplug_query_chmaps(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->version >= 0x010002 &&
+ io->data->callback->query_chmaps)
+ return io->data->callback->query_chmaps(io->data);
+ return NULL;
+}
+
+static snd_pcm_chmap_t *snd_pcm_ioplug_get_chmap(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->version >= 0x010002 &&
+ io->data->callback->get_chmap)
+ return io->data->callback->get_chmap(io->data);
+ return NULL;
+}
+
+static int snd_pcm_ioplug_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->version >= 0x010002 &&
+ io->data->callback->set_chmap)
+ return io->data->callback->set_chmap(io->data, map);
+ return -ENXIO;
+}
+
+static void snd_pcm_ioplug_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ if (io->data->callback->dump)
+ io->data->callback->dump(io->data, out);
+ else {
+ if (io->data->name)
+ snd_output_printf(out, "%s\n", io->data->name);
+ else
+ snd_output_printf(out, "IO-PCM Plugin\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ }
+}
+
+static void clear_io_params(ioplug_priv_t *io)
+{
+ int i;
+ for (i = 0; i < SND_PCM_IOPLUG_HW_PARAMS; i++)
+ snd_ext_parm_clear(&io->params[i]);
+}
+
+static int snd_pcm_ioplug_close(snd_pcm_t *pcm)
+{
+ ioplug_priv_t *io = pcm->private_data;
+
+ clear_io_params(io);
+ if (io->data->callback->close)
+ io->data->callback->close(io->data);
+ free(io);
+
+ return 0;
+}
+
+static const snd_pcm_ops_t snd_pcm_ioplug_ops = {
+ .close = snd_pcm_ioplug_close,
+ .nonblock = snd_pcm_ioplug_nonblock,
+ .async = snd_pcm_ioplug_async,
+ .info = snd_pcm_ioplug_info,
+ .hw_refine = snd_pcm_ioplug_hw_refine,
+ .hw_params = snd_pcm_ioplug_hw_params,
+ .hw_free = snd_pcm_ioplug_hw_free,
+ .sw_params = snd_pcm_ioplug_sw_params,
+ .channel_info = snd_pcm_ioplug_channel_info,
+ .dump = snd_pcm_ioplug_dump,
+ .mmap = snd_pcm_ioplug_mmap,
+ .munmap = snd_pcm_ioplug_munmap,
+ .query_chmaps = snd_pcm_ioplug_query_chmaps,
+ .get_chmap = snd_pcm_ioplug_get_chmap,
+ .set_chmap = snd_pcm_ioplug_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_ioplug_fast_ops = {
+ .status = snd_pcm_ioplug_status,
+ .prepare = snd_pcm_ioplug_prepare,
+ .reset = snd_pcm_ioplug_reset,
+ .start = snd_pcm_ioplug_start,
+ .drop = snd_pcm_ioplug_drop,
+ .drain = snd_pcm_ioplug_drain,
+ .pause = snd_pcm_ioplug_pause,
+ .state = snd_pcm_ioplug_state,
+ .hwsync = snd_pcm_ioplug_hwsync,
+ .delay = snd_pcm_ioplug_delay,
+ .resume = snd_pcm_ioplug_resume,
+ .link = NULL,
+ .link_slaves = NULL,
+ .unlink = NULL,
+ .rewindable = snd_pcm_ioplug_rewindable,
+ .rewind = snd_pcm_ioplug_rewind,
+ .forwardable = snd_pcm_ioplug_forwardable,
+ .forward = snd_pcm_ioplug_forward,
+ .writei = snd_pcm_ioplug_writei,
+ .writen = snd_pcm_ioplug_writen,
+ .readi = snd_pcm_ioplug_readi,
+ .readn = snd_pcm_ioplug_readn,
+ .avail_update = snd_pcm_ioplug_avail_update,
+ .mmap_commit = snd_pcm_ioplug_mmap_commit,
+ .htimestamp = snd_pcm_generic_real_htimestamp,
+ .poll_descriptors_count = snd_pcm_ioplug_poll_descriptors_count,
+ .poll_descriptors = snd_pcm_ioplug_poll_descriptors,
+ .poll_revents = snd_pcm_ioplug_poll_revents,
+};
+
+#endif /* !DOC_HIDDEN */
+
+/*
+ * Exported functions
+ */
+
+/*! \page pcm_external_plugins PCM External Plugin SDK
+
+\section pcm_ioplug External Plugin: I/O Plugin
+
+The I/O-type plugin is a PCM plugin to work as the input or output terminal point,
+i.e. as a user-space PCM driver.
+
+The new plugin is created via #snd_pcm_ioplug_create() function.
+The first argument is a pointer of the pluging information. Some of
+this struct must be initialized in prior to call
+#snd_pcm_ioplug_create(). Then the function fills other fields in
+return. The rest arguments, name, stream and mode, are usually
+identical with the values passed from the ALSA plugin constructor.
+
+The following fields are mandatory: version, name, callback.
+Otherfields are optional and should be initialized with zero.
+
+The constant #SND_PCM_IOPLUG_VERSION must be passed to the version
+field for the version check in alsa-lib. A non-NULL ASCII string
+has to be passed to the name field. The callback field contains the
+table of callback functions for this plugin (defined as
+#snd_pcm_ioplug_callback_t).
+
+flags field specifies the optional bit-flags. poll_fd and poll_events
+specify the poll file descriptor and the corresponding poll events
+(POLLIN, POLLOUT) for the plugin. If the plugin requires multiple
+poll descriptors or poll descriptor(s) dynamically varying, set
+poll_descriptors and poll_descriptors_count callbacks to the callback
+table. Then the poll_fd and poll_events field are ignored.
+
+mmap_rw specifies whether the plugin behaves in the pseudo mmap mode.
+When this value is set to 1, the plugin creates always a local buffer
+and performs read/write calls using this buffer as if it's mmapped.
+The address of local buffer can be obtained via
+#snd_pcm_ioplug_mmap_areas() function.
+When poll_fd, poll_events and mmap_rw fields are changed after
+#snd_pcm_ioplug_create(), call #snd_pcm_ioplug_reinit_status() to
+reflect the changes.
+
+The driver can set an arbitrary value (pointer) to private_data
+field to refer its own data in the callbacks.
+
+The rest fields are filled by #snd_pcm_ioplug_create(). The pcm field
+is the resultant PCM handle. The others are the current status of the
+PCM.
+
+The callback functions in #snd_pcm_ioplug_callback_t define the real
+behavior of the driver.
+At least, start, stop and pointer callbacks must be given. Other
+callbacks are optional. The start and stop callbacks are called when
+the PCM stream is started and stopped, repsectively. The pointer
+callback returns the current DMA position, which may be called at any
+time.
+
+The transfer callback is called when any data transfer happens. It
+receives the area array, offset and the size to transfer. The area
+array contains the array of snd_pcm_channel_area_t with the elements
+of number of channels.
+
+When the PCM is closed, close callback is called. If the driver
+allocates any internal buffers, they should be released in this
+callback. The hw_params and hw_free callbacks are called when
+hw_params are set and reset, respectively. Note that they may be
+called multiple times according to the application. Similarly,
+sw_params callback is called when sw_params is set or changed.
+
+The prepare, drain, pause and resume callbacks are called when
+#snd_pcm_prepare(), #snd_pcm_drain(), #snd_pcm_pause(), and
+#snd_pcm_resume() are called. The poll_descriptors_count and
+poll_descriptors callbacks are used to return the multiple or dynamic
+poll descriptors as mentioned above. The poll_revents callback is
+used to modify poll events. If the driver needs to mangle the native
+poll events to proper poll events for PCM, you can do it in this
+callback.
+
+Finally, the dump callback is used to print the status of the plugin.
+
+The hw_params constraints can be defined via either
+#snd_pcm_ioplug_set_param_minmax() and #snd_pcm_ioplug_set_param_list()
+functions after calling #snd_pcm_ioplug_create().
+The former defines the minimal and maximal acceptable values for the
+given hw_params parameter (SND_PCM_IOPLUG_HW_XXX).
+This function can't be used for the format parameter. The latter
+function specifies the available parameter values as the list.
+
+To clear the parameter constraints, call #snd_pcm_ioplug_params_reset() function.
+
+*/
+
+/**
+ * \brief Create an ioplug instance
+ * \param ioplug the ioplug handle
+ * \param name name of PCM
+ * \param stream stream direction
+ * \param mode PCM open mode
+ * \return 0 if successful, or a negative error code
+ *
+ * Creates the ioplug instance.
+ *
+ * The callback is the mandatory field of ioplug handle. At least, start, stop and
+ * pointer callbacks must be set before calling this function.
+ *
+ */
+int snd_pcm_ioplug_create(snd_pcm_ioplug_t *ioplug, const char *name,
+ snd_pcm_stream_t stream, int mode)
+{
+ ioplug_priv_t *io;
+ int err;
+ snd_pcm_t *pcm;
+
+ assert(ioplug && ioplug->callback);
+ assert(ioplug->callback->start &&
+ ioplug->callback->stop &&
+ ioplug->callback->pointer);
+
+ /* We support 1.0.0 to current */
+ if (ioplug->version < 0x010000 ||
+ ioplug->version > SND_PCM_IOPLUG_VERSION) {
+ SNDERR("ioplug: Plugin version mismatch: 0x%x\n",
+ ioplug->version);
+ return -ENXIO;
+ }
+
+ io = calloc(1, sizeof(*io));
+ if (! io)
+ return -ENOMEM;
+
+ io->data = ioplug;
+ ioplug->state = SND_PCM_STATE_OPEN;
+ ioplug->stream = stream;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_IOPLUG, name, stream, mode);
+ if (err < 0) {
+ free(io);
+ return err;
+ }
+
+ ioplug->pcm = pcm;
+ pcm->ops = &snd_pcm_ioplug_ops;
+ pcm->fast_ops = &snd_pcm_ioplug_fast_ops;
+ pcm->private_data = io;
+
+ snd_pcm_set_hw_ptr(pcm, &ioplug->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &ioplug->appl_ptr, -1, 0);
+
+ snd_pcm_ioplug_reinit_status(ioplug);
+
+ return 0;
+}
+
+/**
+ * \brief Delete the ioplug instance
+ * \param ioplug the ioplug handle
+ * \return 0 if successful, or a negative error code
+ */
+int snd_pcm_ioplug_delete(snd_pcm_ioplug_t *ioplug)
+{
+ return snd_pcm_close(ioplug->pcm);
+}
+
+
+/**
+ * \brief Reset ioplug parameters
+ * \param ioplug the ioplug handle
+ *
+ * Resets the all parameters for the given ioplug handle.
+ */
+void snd_pcm_ioplug_params_reset(snd_pcm_ioplug_t *ioplug)
+{
+ ioplug_priv_t *io = ioplug->pcm->private_data;
+ clear_io_params(io);
+}
+
+/**
+ * \brief Set parameter as the list
+ * \param ioplug the ioplug handle
+ * \param type parameter type
+ * \param num_list number of available values
+ * \param list the list of available values
+ * \return 0 if successful, or a negative error code
+ *
+ * Sets the parameter as the list.
+ * The available values of the given parameter type is restricted to the ones of the given list.
+ */
+int snd_pcm_ioplug_set_param_list(snd_pcm_ioplug_t *ioplug, int type, unsigned int num_list, const unsigned int *list)
+{
+ ioplug_priv_t *io = ioplug->pcm->private_data;
+ if (type < 0 && type >= SND_PCM_IOPLUG_HW_PARAMS) {
+ SNDERR("IOPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ if (type == SND_PCM_IOPLUG_HW_PERIODS)
+ io->params[type].integer = 1;
+ return snd_ext_parm_set_list(&io->params[type], num_list, list);
+}
+
+/**
+ * \brief Set parameter as the min/max values
+ * \param ioplug the ioplug handle
+ * \param type parameter type
+ * \param min the minimum value
+ * \param max the maximum value
+ * \return 0 if successful, or a negative error code
+ *
+ * Sets the parameter as the min/max values.
+ * The available values of the given parameter type is restricted between the given
+ * minimum and maximum values.
+ */
+int snd_pcm_ioplug_set_param_minmax(snd_pcm_ioplug_t *ioplug, int type, unsigned int min, unsigned int max)
+{
+ ioplug_priv_t *io = ioplug->pcm->private_data;
+ if (type < 0 && type >= SND_PCM_IOPLUG_HW_PARAMS) {
+ SNDERR("IOPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ if (type == SND_PCM_IOPLUG_HW_ACCESS || type == SND_PCM_IOPLUG_HW_FORMAT) {
+ SNDERR("IOPLUG: invalid parameter type %d", type);
+ return -EINVAL;
+ }
+ if (type == SND_PCM_IOPLUG_HW_PERIODS)
+ io->params[type].integer = 1;
+ return snd_ext_parm_set_minmax(&io->params[type], min, max);
+}
+
+/**
+ * \brief Reinitialize the poll and mmap status
+ * \param ioplug the ioplug handle
+ * \return 0 if successful, or a negative error code
+ *
+ * Reinitializes the poll and the mmap status of the PCM.
+ * Call this function to propagate the status change in the ioplug instance to
+ * its PCM internals.
+ */
+int snd_pcm_ioplug_reinit_status(snd_pcm_ioplug_t *ioplug)
+{
+ ioplug->pcm->poll_fd = ioplug->poll_fd;
+ ioplug->pcm->poll_events = ioplug->poll_events;
+ if (ioplug->flags & SND_PCM_IOPLUG_FLAG_MONOTONIC)
+ ioplug->pcm->tstamp_type = SND_PCM_TSTAMP_TYPE_MONOTONIC;
+ else
+ ioplug->pcm->tstamp_type = SND_PCM_TSTAMP_TYPE_GETTIMEOFDAY;
+ ioplug->pcm->mmap_rw = ioplug->mmap_rw;
+ return 0;
+}
+
+/**
+ * \brief Get mmap area of ioplug
+ * \param ioplug the ioplug handle
+ * \return the mmap channel areas if available, or NULL
+ *
+ * Returns the mmap channel areas if available. When mmap_rw field is not set,
+ * this function always returns NULL.
+ */
+const snd_pcm_channel_area_t *snd_pcm_ioplug_mmap_areas(snd_pcm_ioplug_t *ioplug)
+{
+ if (ioplug->mmap_rw)
+ return snd_pcm_mmap_areas(ioplug->pcm);
+ return NULL;
+}
+
+/**
+ * \brief Change the ioplug PCM status
+ * \param ioplug the ioplug handle
+ * \param state the PCM status
+ * \return zero if successful or a negative error code
+ *
+ * Changes the PCM status of the ioplug to the given value.
+ * This function can be used for external plugins to notify the status
+ * change, e.g. XRUN.
+ */
+int snd_pcm_ioplug_set_state(snd_pcm_ioplug_t *ioplug, snd_pcm_state_t state)
+{
+ ioplug->state = state;
+ return 0;
+}
diff --git a/src/pcm/pcm_ladspa.c b/src/pcm/pcm_ladspa.c
new file mode 100644
index 0000000..631ee0f
--- /dev/null
+++ b/src/pcm/pcm_ladspa.c
@@ -0,0 +1,1808 @@
+/**
+ * \file pcm/pcm_ladspa.c
+ * \ingroup PCM_Plugins
+ * \brief ALSA Plugin <-> LADSPA Plugin Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2001,2006
+ */
+/*
+ * PCM - LADSPA integration plugin
+ * Copyright (c) 2001-2006 by Jaroslav Kysela <perex@perex.cz>
+ * Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ *
+ * perex@perex.cz 2005/12/13
+ * The LADSPA plugin rewrite was sponsored by MediaNet AG
+ * http://www.medianet.ag
+ */
+
+#include <dirent.h>
+#include <locale.h>
+#include <math.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "ladspa.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_ladspa = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+#define NO_ASSIGN 0xffffffff
+
+typedef enum _snd_pcm_ladspa_policy {
+ SND_PCM_LADSPA_POLICY_NONE, /* use bindings only */
+ SND_PCM_LADSPA_POLICY_DUPLICATE /* duplicate bindings for all channels */
+} snd_pcm_ladspa_policy_t;
+
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ /* Plugin custom fields */
+ struct list_head pplugins;
+ struct list_head cplugins;
+ unsigned int channels; /* forced input channels, 0 = auto */
+ unsigned int allocated; /* count of allocated samples */
+ LADSPA_Data *zero[2]; /* zero input or dummy output */
+} snd_pcm_ladspa_t;
+
+typedef struct {
+ unsigned int size;
+ unsigned int *array;
+} snd_pcm_ladspa_array_t;
+
+typedef struct {
+ snd_pcm_ladspa_array_t channels;
+ snd_pcm_ladspa_array_t ports;
+ LADSPA_Data **m_data;
+ LADSPA_Data **data;
+} snd_pcm_ladspa_eps_t;
+
+typedef struct snd_pcm_ladspa_instance {
+ struct list_head list;
+ const LADSPA_Descriptor *desc;
+ LADSPA_Handle *handle;
+ unsigned int depth;
+ snd_pcm_ladspa_eps_t input;
+ snd_pcm_ladspa_eps_t output;
+ struct snd_pcm_ladspa_instance *prev;
+ struct snd_pcm_ladspa_instance *next;
+} snd_pcm_ladspa_instance_t;
+
+typedef struct {
+ LADSPA_PortDescriptor pdesc; /* port description */
+ unsigned int port_bindings_size; /* size of array */
+ unsigned int *port_bindings; /* index = channel number, value = LADSPA port */
+ unsigned int controls_size; /* size of array */
+ unsigned char *controls_initialized; /* initialized by ALSA user */
+ LADSPA_Data *controls; /* index = LADSPA control port index */
+} snd_pcm_ladspa_plugin_io_t;
+
+typedef struct {
+ struct list_head list;
+ snd_pcm_ladspa_policy_t policy;
+ char *filename;
+ void *dl_handle;
+ const LADSPA_Descriptor *desc;
+ snd_pcm_ladspa_plugin_io_t input;
+ snd_pcm_ladspa_plugin_io_t output;
+ struct list_head instances; /* one LADSPA plugin might be used multiple times */
+} snd_pcm_ladspa_plugin_t;
+
+#endif /* DOC_HIDDEN */
+
+static unsigned int snd_pcm_ladspa_count_ports(snd_pcm_ladspa_plugin_t *lplug,
+ LADSPA_PortDescriptor pdesc)
+{
+ unsigned int res = 0, idx;
+ for (idx = 0; idx < lplug->desc->PortCount; idx++) {
+ if ((lplug->desc->PortDescriptors[idx] & pdesc) == pdesc)
+ res++;
+ }
+ return res;
+}
+
+static int snd_pcm_ladspa_find_port(unsigned int *res,
+ snd_pcm_ladspa_plugin_t *lplug,
+ LADSPA_PortDescriptor pdesc,
+ unsigned int port_idx)
+{
+ unsigned long idx;
+
+ for (idx = 0; idx < lplug->desc->PortCount; idx++)
+ if ((lplug->desc->PortDescriptors[idx] & pdesc) == pdesc) {
+ if (port_idx == 0) {
+ *res = idx;
+ return 0;
+ }
+ port_idx--;
+ }
+ return -EINVAL;
+}
+
+static int snd_pcm_ladspa_find_sport(unsigned int *res,
+ snd_pcm_ladspa_plugin_t *lplug,
+ LADSPA_PortDescriptor pdesc,
+ const char *port_name)
+{
+ unsigned long idx;
+
+ for (idx = 0; idx < lplug->desc->PortCount; idx++)
+ if ((lplug->desc->PortDescriptors[idx] & pdesc) == pdesc &&
+ !strcmp(lplug->desc->PortNames[idx], port_name)) {
+ *res = idx;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int snd_pcm_ladspa_find_port_idx(unsigned int *res,
+ snd_pcm_ladspa_plugin_t *lplug,
+ LADSPA_PortDescriptor pdesc,
+ unsigned int port)
+{
+ unsigned long idx;
+ unsigned int r = 0;
+
+ if (port >= lplug->desc->PortCount)
+ return -EINVAL;
+ for (idx = 0; idx < port; idx++)
+ if ((lplug->desc->PortDescriptors[idx] & pdesc) == pdesc)
+ r++;
+ *res = r;
+ return 0;
+}
+
+static void snd_pcm_ladspa_free_io(snd_pcm_ladspa_plugin_io_t *io)
+{
+ free(io->controls);
+ free(io->controls_initialized);
+}
+
+static void snd_pcm_ladspa_free_plugins(struct list_head *plugins)
+{
+ while (!list_empty(plugins)) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(plugins->next, snd_pcm_ladspa_plugin_t, list);
+ snd_pcm_ladspa_free_io(&plugin->input);
+ snd_pcm_ladspa_free_io(&plugin->output);
+ if (plugin->dl_handle)
+ dlclose(plugin->dl_handle);
+ free(plugin->filename);
+ list_del(&plugin->list);
+ free(plugin);
+ }
+}
+
+static void snd_pcm_ladspa_free(snd_pcm_ladspa_t *ladspa)
+{
+ unsigned int idx;
+
+ snd_pcm_ladspa_free_plugins(&ladspa->pplugins);
+ snd_pcm_ladspa_free_plugins(&ladspa->cplugins);
+ for (idx = 0; idx < 2; idx++) {
+ free(ladspa->zero[idx]);
+ ladspa->zero[idx] = NULL;
+ }
+ ladspa->allocated = 0;
+}
+
+static int snd_pcm_ladspa_close(snd_pcm_t *pcm)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+
+ snd_pcm_ladspa_free(ladspa);
+ return snd_pcm_generic_close(pcm);
+}
+
+static int snd_pcm_ladspa_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHMN };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_format(params, SND_PCM_FORMAT_FLOAT);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ if (ladspa->channels > 0 && pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_CHANNELS, ladspa->channels, 0);
+ if (err < 0)
+ return err;
+ }
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_ladspa_hw_refine_sprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAPN };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_params_set_format(sparams, SND_PCM_FORMAT_FLOAT);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ if (ladspa->channels > 0 && pcm->stream == SND_PCM_STREAM_CAPTURE)
+ _snd_pcm_hw_param_set(sparams, SND_PCM_HW_PARAM_CHANNELS, ladspa->channels, 0);
+ return 0;
+}
+
+static int snd_pcm_ladspa_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_ladspa_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_ladspa_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_ladspa_hw_refine_cprepare,
+ snd_pcm_ladspa_hw_refine_cchange,
+ snd_pcm_ladspa_hw_refine_sprepare,
+ snd_pcm_ladspa_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_ladspa_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ // snd_pcm_ladspa_t *ladspa = pcm->private_data;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_ladspa_hw_refine_cchange,
+ snd_pcm_ladspa_hw_refine_sprepare,
+ snd_pcm_ladspa_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static void snd_pcm_ladspa_free_eps(snd_pcm_ladspa_eps_t *eps)
+{
+ free(eps->channels.array);
+ free(eps->ports.array);
+}
+
+static void snd_pcm_ladspa_free_instances(snd_pcm_t *pcm, snd_pcm_ladspa_t *ladspa, int cleanup)
+{
+ struct list_head *list, *pos, *pos1, *next1;
+ unsigned int idx;
+
+ list = pcm->stream == SND_PCM_STREAM_PLAYBACK ? &ladspa->pplugins : &ladspa->cplugins;
+ list_for_each(pos, list) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ list_for_each_safe(pos1, next1, &plugin->instances) {
+ snd_pcm_ladspa_instance_t *instance = list_entry(pos1, snd_pcm_ladspa_instance_t, list);
+ if (plugin->desc->deactivate)
+ plugin->desc->deactivate(instance->handle);
+ if (cleanup) {
+ if (plugin->desc->cleanup)
+ plugin->desc->cleanup(instance->handle);
+ if (instance->input.m_data) {
+ for (idx = 0; idx < instance->input.channels.size; idx++)
+ free(instance->input.m_data[idx]);
+ free(instance->input.m_data);
+ }
+ if (instance->output.m_data) {
+ for (idx = 0; idx < instance->output.channels.size; idx++)
+ free(instance->output.m_data[idx]);
+ free(instance->output.m_data);
+ }
+ free(instance->input.data);
+ free(instance->output.data);
+ list_del(&(instance->list));
+ snd_pcm_ladspa_free_eps(&instance->input);
+ snd_pcm_ladspa_free_eps(&instance->output);
+ free(instance);
+ } else {
+ if (plugin->desc->activate)
+ plugin->desc->activate(instance->handle);
+ }
+ }
+ if (cleanup) {
+ assert(list_empty(&plugin->instances));
+ }
+ }
+}
+
+static int snd_pcm_ladspa_add_to_carray(snd_pcm_ladspa_array_t *array,
+ unsigned int idx,
+ unsigned int val)
+{
+ unsigned int *narray;
+ unsigned int idx1;
+
+ if (idx >= array->size) {
+ narray = realloc(array->array, sizeof(unsigned int) * (idx + 1));
+ if (narray == NULL)
+ return -ENOMEM;
+ for (idx1 = array->size; idx1 < idx; idx1++)
+ narray[idx1] = NO_ASSIGN;
+ array->array = narray;
+ array->size = idx + 1;
+ array->array[idx] = val;
+ return 0;
+ }
+ if (array->array[idx] == NO_ASSIGN)
+ array->array[idx] = val;
+ else
+ return -EINVAL;
+ return 0;
+}
+
+static int snd_pcm_ladspa_add_to_array(snd_pcm_ladspa_array_t *array,
+ unsigned int idx,
+ unsigned int val)
+{
+ unsigned int *narray;
+ unsigned int idx1;
+
+ if (idx >= array->size) {
+ narray = realloc(array->array, sizeof(unsigned int) * (idx + 1));
+ if (narray == NULL)
+ return -ENOMEM;
+ for (idx1 = array->size; idx1 < idx; idx1++)
+ narray[idx1] = NO_ASSIGN;
+ array->array = narray;
+ array->size = idx + 1;
+ }
+ array->array[idx] = val;
+ return 0;
+}
+
+static int snd_pcm_ladspa_connect_plugin1(snd_pcm_ladspa_plugin_t *plugin,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_pcm_ladspa_eps_t *eps)
+{
+ unsigned int port, channels, idx, idx1;
+ int err;
+
+ assert(plugin->policy == SND_PCM_LADSPA_POLICY_NONE);
+ channels = io->port_bindings_size > 0 ?
+ io->port_bindings_size :
+ snd_pcm_ladspa_count_ports(plugin, io->pdesc | LADSPA_PORT_AUDIO);
+ for (idx = idx1 = 0; idx < channels; idx++) {
+ if (io->port_bindings_size > 0)
+ port = io->port_bindings[idx];
+ else {
+ err = snd_pcm_ladspa_find_port(&port, plugin, io->pdesc | LADSPA_PORT_AUDIO, idx);
+ if (err < 0) {
+ SNDERR("unable to find audio %s port %u plugin '%s'", io->pdesc & LADSPA_PORT_INPUT ? "input" : "output", idx, plugin->desc->Name);
+ return err;
+ }
+ }
+ if (port == NO_ASSIGN)
+ continue;
+ err = snd_pcm_ladspa_add_to_carray(&eps->channels, idx1, idx);
+ if (err < 0) {
+ SNDERR("unable to add channel %u for audio %s plugin '%s'", idx, io->pdesc & LADSPA_PORT_INPUT ? "input" : "output", plugin->desc->Name);
+ return err;
+ }
+ err = snd_pcm_ladspa_add_to_array(&eps->ports, idx1, port);
+ if (err < 0) {
+ SNDERR("unable to add port %u for audio %s plugin '%s'", port, io->pdesc & LADSPA_PORT_INPUT ? "input" : "output", plugin->desc->Name);
+ return err;
+ }
+ idx1++;
+ }
+ return 0;
+}
+
+static int snd_pcm_ladspa_connect_plugin(snd_pcm_ladspa_plugin_t *plugin,
+ snd_pcm_ladspa_instance_t *instance)
+{
+ int err;
+
+ err = snd_pcm_ladspa_connect_plugin1(plugin, &plugin->input, &instance->input);
+ if (err < 0)
+ return err;
+ err = snd_pcm_ladspa_connect_plugin1(plugin, &plugin->output, &instance->output);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_ladspa_connect_plugin_duplicate1(snd_pcm_ladspa_plugin_t *plugin,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_pcm_ladspa_eps_t *eps,
+ unsigned int idx)
+{
+ unsigned int port;
+ int err;
+
+ assert(plugin->policy == SND_PCM_LADSPA_POLICY_DUPLICATE);
+ if (io->port_bindings_size > 0) {
+ port = io->port_bindings[0];
+ } else {
+ err = snd_pcm_ladspa_find_port(&port, plugin, io->pdesc | LADSPA_PORT_AUDIO, 0);
+ if (err < 0) {
+ SNDERR("unable to find audio %s port %u plugin '%s'", io->pdesc & LADSPA_PORT_INPUT ? "input" : "output", (unsigned int)0, plugin->desc->Name);
+ return err;
+ }
+ }
+ err = snd_pcm_ladspa_add_to_carray(&eps->channels, 0, idx);
+ if (err < 0) {
+ SNDERR("unable to add channel %u for audio %s plugin '%s'", idx, io->pdesc & LADSPA_PORT_INPUT ? "input" : "output", plugin->desc->Name);
+ return err;
+ }
+ err = snd_pcm_ladspa_add_to_array(&eps->ports, 0, port);
+ if (err < 0) {
+ SNDERR("unable to add port %u for audio %s plugin '%s'", port, io->pdesc & LADSPA_PORT_INPUT ? "input" : "output", plugin->desc->Name);
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_ladspa_connect_plugin_duplicate(snd_pcm_ladspa_plugin_t *plugin,
+ snd_pcm_ladspa_plugin_io_t *in_io,
+ snd_pcm_ladspa_plugin_io_t *out_io,
+ snd_pcm_ladspa_instance_t *instance,
+ unsigned int idx)
+{
+ int err;
+
+ err = snd_pcm_ladspa_connect_plugin_duplicate1(plugin, in_io, &instance->input, idx);
+ if (err < 0)
+ return err;
+ err = snd_pcm_ladspa_connect_plugin_duplicate1(plugin, out_io, &instance->output, idx);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static void snd_pcm_ladspa_get_default_cvalue(const LADSPA_Descriptor * desc, unsigned int port, LADSPA_Data *val)
+{
+ LADSPA_PortRangeHintDescriptor hdesc;
+
+ hdesc = desc->PortRangeHints[port].HintDescriptor;
+ switch (hdesc & LADSPA_HINT_DEFAULT_MASK) {
+ case LADSPA_HINT_DEFAULT_MINIMUM:
+ *val = desc->PortRangeHints[port].LowerBound;
+ break;
+ case LADSPA_HINT_DEFAULT_LOW:
+ if (LADSPA_IS_HINT_LOGARITHMIC(hdesc)) {
+ *val = exp(log(desc->PortRangeHints[port].LowerBound)
+ * 0.75
+ + log(desc->PortRangeHints[port].UpperBound)
+ * 0.25);
+ } else {
+ *val = (desc->PortRangeHints[port].LowerBound * 0.75) +
+ (desc->PortRangeHints[port].UpperBound * 0.25);
+ }
+ break;
+ case LADSPA_HINT_DEFAULT_MIDDLE:
+ if (LADSPA_IS_HINT_LOGARITHMIC(hdesc)) {
+ *val = sqrt(desc->PortRangeHints[port].LowerBound *
+ desc->PortRangeHints[port].UpperBound);
+ } else {
+ *val = 0.5 *
+ (desc->PortRangeHints[port].LowerBound +
+ desc->PortRangeHints[port].UpperBound);
+ }
+ break;
+ case LADSPA_HINT_DEFAULT_HIGH:
+ if (LADSPA_IS_HINT_LOGARITHMIC(hdesc)) {
+ *val = exp(log(desc->PortRangeHints[port].LowerBound)
+ * 0.25
+ + log(desc->PortRangeHints[port].UpperBound)
+ * 0.75);
+ } else {
+ *val = (desc->PortRangeHints[port].LowerBound * 0.25) +
+ (desc->PortRangeHints[port].UpperBound * 0.75);
+ }
+ break;
+ case LADSPA_HINT_DEFAULT_MAXIMUM:
+ *val = desc->PortRangeHints[port].UpperBound;
+ break;
+ case LADSPA_HINT_DEFAULT_0:
+ *val = 0;
+ break;
+ case LADSPA_HINT_DEFAULT_1:
+ *val = 1;
+ break;
+ case LADSPA_HINT_DEFAULT_100:
+ *val = 100;
+ break;
+ case LADSPA_HINT_DEFAULT_440:
+ *val = 440;
+ break;
+ default:
+ *val = 0; /* reasonable default, if everything fails */
+ break;
+ }
+}
+
+static int snd_pcm_ladspa_connect_controls(snd_pcm_ladspa_plugin_t *plugin,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_pcm_ladspa_instance_t *instance)
+{
+ unsigned long idx, midx;
+
+ for (idx = midx = 0; idx < plugin->desc->PortCount; idx++)
+ if ((plugin->desc->PortDescriptors[idx] & (io->pdesc | LADSPA_PORT_CONTROL)) == (io->pdesc | LADSPA_PORT_CONTROL)) {
+ if (io->controls_size > midx) {
+ if (!io->controls_initialized[midx])
+ snd_pcm_ladspa_get_default_cvalue(plugin->desc, idx, &io->controls[midx]);
+ plugin->desc->connect_port(instance->handle, idx, &io->controls[midx]);
+ } else {
+ return -EINVAL;
+ }
+ midx++;
+ }
+ return 0;
+}
+
+static int snd_pcm_ladspa_check_connect(snd_pcm_ladspa_plugin_t *plugin,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_pcm_ladspa_eps_t *eps,
+ unsigned int depth)
+{
+ unsigned int idx, midx;
+ int err = 0;
+
+ for (idx = midx = 0; idx < plugin->desc->PortCount; idx++)
+ if ((plugin->desc->PortDescriptors[idx] & (io->pdesc | LADSPA_PORT_AUDIO)) == (io->pdesc | LADSPA_PORT_AUDIO)) {
+ if (eps->channels.array[midx] == NO_ASSIGN) {
+ SNDERR("%s port for plugin %s depth %u is not connected", io->pdesc & LADSPA_PORT_INPUT ? "input" : "output", plugin->desc->Name, depth);
+ err++;
+ }
+ midx++;
+ }
+ if (err > 0) {
+ SNDERR("%i connection errors total", err);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int snd_pcm_ladspa_allocate_instances(snd_pcm_t *pcm, snd_pcm_ladspa_t *ladspa)
+{
+ struct list_head *list, *pos;
+ unsigned int depth, idx, count;
+ unsigned int in_channels;
+ unsigned int in_ports, out_ports;
+ snd_pcm_ladspa_instance_t *instance = NULL;
+ int err;
+
+ list = pcm->stream == SND_PCM_STREAM_PLAYBACK ? &ladspa->pplugins : &ladspa->cplugins;
+ in_channels = ladspa->channels > 0 ? ladspa->channels :
+ (pcm->stream == SND_PCM_STREAM_PLAYBACK ? pcm->channels : ladspa->plug.gen.slave->channels);
+ depth = 0;
+ list_for_each(pos, list) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ in_ports = snd_pcm_ladspa_count_ports(plugin, LADSPA_PORT_INPUT | LADSPA_PORT_AUDIO);
+ out_ports = snd_pcm_ladspa_count_ports(plugin, LADSPA_PORT_OUTPUT | LADSPA_PORT_AUDIO);
+ count = 1;
+ if (plugin->policy == SND_PCM_LADSPA_POLICY_DUPLICATE) {
+ if (in_ports == 1 && out_ports == 1)
+ count = in_channels;
+ else
+ plugin->policy = SND_PCM_LADSPA_POLICY_NONE;
+ }
+ for (idx = 0; idx < count; idx++) {
+ instance = (snd_pcm_ladspa_instance_t *)calloc(1, sizeof(snd_pcm_ladspa_instance_t));
+ if (instance == NULL)
+ return -ENOMEM;
+ instance->desc = plugin->desc;
+ instance->handle = plugin->desc->instantiate(plugin->desc, pcm->rate);
+ instance->depth = depth;
+ if (instance->handle == NULL) {
+ SNDERR("Unable to create instance of LADSPA plugin '%s'", plugin->desc->Name);
+ free(instance);
+ return -EINVAL;
+ }
+ list_add_tail(&instance->list, &plugin->instances);
+ if (plugin->policy == SND_PCM_LADSPA_POLICY_DUPLICATE) {
+ err = snd_pcm_ladspa_connect_plugin_duplicate(plugin, &plugin->input, &plugin->output, instance, idx);
+ if (err < 0) {
+ SNDERR("Unable to connect duplicate port of plugin '%s' channel %u depth %u", plugin->desc->Name, idx, instance->depth);
+ return err;
+ }
+ } else {
+ err = snd_pcm_ladspa_connect_plugin(plugin, instance);
+ if (err < 0) {
+ SNDERR("Unable to connect plugin '%s' depth %u", plugin->desc->Name, depth);
+ return err;
+ }
+ }
+ err = snd_pcm_ladspa_connect_controls(plugin, &plugin->input, instance);
+ assert(err >= 0);
+ err = snd_pcm_ladspa_connect_controls(plugin, &plugin->output, instance);
+ assert(err >= 0);
+ if (plugin->desc->activate)
+ plugin->desc->activate(instance->handle);
+ }
+ err = snd_pcm_ladspa_check_connect(plugin, &plugin->input, &instance->input, depth);
+ if (err < 0)
+ return err;
+ err = snd_pcm_ladspa_check_connect(plugin, &plugin->output, &instance->output, depth);
+ if (err < 0)
+ return err;
+ depth++;
+ }
+ return 0;
+}
+
+static LADSPA_Data *snd_pcm_ladspa_allocate_zero(snd_pcm_ladspa_t *ladspa, unsigned int idx)
+{
+ if (ladspa->zero[idx] == NULL)
+ ladspa->zero[idx] = calloc(ladspa->allocated, sizeof(LADSPA_Data));
+ return ladspa->zero[idx];
+}
+
+static int snd_pcm_ladspa_allocate_memory(snd_pcm_t *pcm, snd_pcm_ladspa_t *ladspa)
+{
+ struct list_head *list, *pos, *pos1;
+ snd_pcm_ladspa_instance_t *instance;
+ unsigned int channels = 16, nchannels;
+ unsigned int ichannels, ochannels;
+ void **pchannels, **npchannels;
+ unsigned int idx, chn;
+
+ ladspa->allocated = 2048;
+ if (pcm->buffer_size > ladspa->allocated)
+ ladspa->allocated = pcm->buffer_size;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ ichannels = pcm->channels;
+ ochannels = ladspa->plug.gen.slave->channels;
+ } else {
+ ichannels = ladspa->plug.gen.slave->channels;
+ ochannels = pcm->channels;
+ }
+ pchannels = calloc(1, sizeof(void *) * channels);
+ if (pchannels == NULL)
+ return -ENOMEM;
+ list = pcm->stream == SND_PCM_STREAM_PLAYBACK ? &ladspa->pplugins : &ladspa->cplugins;
+ list_for_each(pos, list) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ list_for_each(pos1, &plugin->instances) {
+ instance = list_entry(pos1, snd_pcm_ladspa_instance_t, list);
+ nchannels = channels;
+ for (idx = 0; idx < instance->input.channels.size; idx++) {
+ chn = instance->input.channels.array[idx];
+ assert(instance->input.ports.array[idx] != NO_ASSIGN);
+ if (chn >= nchannels)
+ nchannels = chn + 1;
+ }
+ for (idx = 0; idx < instance->output.channels.size; idx++) {
+ chn = instance->output.channels.array[idx];
+ assert(instance->output.ports.array[idx] != NO_ASSIGN);
+ if (chn >= nchannels)
+ nchannels = chn + 1;
+ }
+ if (nchannels != channels) {
+ npchannels = realloc(pchannels, nchannels * sizeof(void *));
+ if (npchannels == NULL) {
+ free(pchannels);
+ return -ENOMEM;
+ }
+ for (idx = channels; idx < nchannels; idx++)
+ npchannels[idx] = NULL;
+ pchannels = npchannels;
+ }
+ assert(instance->input.data == NULL);
+ assert(instance->input.m_data == NULL);
+ assert(instance->output.data == NULL);
+ assert(instance->output.m_data == NULL);
+ instance->input.data = calloc(instance->input.channels.size, sizeof(void *));
+ instance->input.m_data = calloc(instance->input.channels.size, sizeof(void *));
+ instance->output.data = calloc(instance->output.channels.size, sizeof(void *));
+ instance->output.m_data = calloc(instance->output.channels.size, sizeof(void *));
+ if (instance->input.data == NULL ||
+ instance->input.m_data == NULL ||
+ instance->output.data == NULL ||
+ instance->output.m_data == NULL) {
+ free(pchannels);
+ return -ENOMEM;
+ }
+ for (idx = 0; idx < instance->input.channels.size; idx++) {
+ chn = instance->output.channels.array[idx];
+ if (pchannels[chn] == NULL && chn < ichannels) {
+ instance->input.data[idx] = NULL;
+ continue;
+ }
+ instance->input.data[idx] = pchannels[chn];
+ if (instance->input.data[idx] == NULL) {
+ instance->input.data[idx] = snd_pcm_ladspa_allocate_zero(ladspa, 0);
+ if (instance->input.data[idx] == NULL) {
+ free(pchannels);
+ return -ENOMEM;
+ }
+ }
+ }
+ for (idx = 0; idx < instance->output.channels.size; idx++) {
+ chn = instance->output.channels.array[idx];
+ /* FIXME/OPTIMIZE: check if we can remove double alloc */
+ /* if LADSPA plugin has no broken inplace */
+ instance->output.data[idx] = malloc(sizeof(LADSPA_Data) * ladspa->allocated);
+ if (instance->output.data[idx] == NULL) {
+ free(pchannels);
+ return -ENOMEM;
+ }
+ pchannels[chn] = instance->output.m_data[idx] = instance->output.data[idx];
+ }
+ }
+ }
+ /* OPTIMIZE: we have already allocated areas for ALSA output channels */
+ /* next loop deallocates the last output LADSPA areas and connects */
+ /* them to ALSA areas (NULL) or dummy area ladpsa->free[1] ; */
+ /* this algorithm might be optimized to not allocate the last LADSPA outputs */
+ list_for_each(pos, list) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ list_for_each(pos1, &plugin->instances) {
+ instance = list_entry(pos1, snd_pcm_ladspa_instance_t, list);
+ for (idx = 0; idx < instance->output.channels.size; idx++) {
+ chn = instance->output.channels.array[idx];
+ if (instance->output.data[idx] == pchannels[chn]) {
+ free(instance->output.m_data[idx]);
+ instance->output.m_data[idx] = NULL;
+ if (chn < ochannels) {
+ instance->output.data[idx] = NULL;
+ } else {
+ instance->output.data[idx] = snd_pcm_ladspa_allocate_zero(ladspa, 1);
+ if (instance->output.data[idx] == NULL) {
+ free(pchannels);
+ return -ENOMEM;
+ }
+ }
+ }
+ }
+ }
+ }
+#if 0
+ printf("zero[0] = %p\n", ladspa->zero[0]);
+ printf("zero[1] = %p\n", ladspa->zero[1]);
+ list_for_each(pos, list) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ list_for_each(pos1, &plugin->instances) {
+ instance = list_entry(pos1, snd_pcm_ladspa_instance_t, list);
+ for (idx = 0; idx < instance->input.channels.size; idx++)
+ printf("%i:alloc-input%i: data = %p, m_data = %p\n", instance->depth, idx, instance->input.data[idx], instance->input.m_data[idx]);
+ for (idx = 0; idx < instance->output.channels.size; idx++)
+ printf("%i:alloc-output%i: data = %p, m_data = %p\n", instance->depth, idx, instance->output.data[idx], instance->output.m_data[idx]);
+ }
+ }
+#endif
+ free(pchannels);
+ return 0;
+}
+
+static int snd_pcm_ladspa_init(snd_pcm_t *pcm)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+ int err;
+
+ snd_pcm_ladspa_free_instances(pcm, ladspa, 1);
+ err = snd_pcm_ladspa_allocate_instances(pcm, ladspa);
+ if (err < 0) {
+ snd_pcm_ladspa_free_instances(pcm, ladspa, 1);
+ return err;
+ }
+ err = snd_pcm_ladspa_allocate_memory(pcm, ladspa);
+ if (err < 0) {
+ snd_pcm_ladspa_free_instances(pcm, ladspa, 1);
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_ladspa_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+
+ snd_pcm_ladspa_free_instances(pcm, ladspa, 1);
+ return snd_pcm_generic_hw_free(pcm);
+}
+
+static snd_pcm_uframes_t
+snd_pcm_ladspa_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+ snd_pcm_ladspa_instance_t *instance;
+ struct list_head *pos, *pos1;
+ LADSPA_Data *data;
+ unsigned int idx, chn, size1, size2;
+
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ size2 = size;
+#if 0 /* no processing - for testing purposes only */
+ snd_pcm_areas_copy(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size, pcm->format);
+#else
+ while (size > 0) {
+ size1 = size;
+ if (size1 > ladspa->allocated)
+ size1 = ladspa->allocated;
+ list_for_each(pos, &ladspa->pplugins) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ list_for_each(pos1, &plugin->instances) {
+ instance = list_entry(pos1, snd_pcm_ladspa_instance_t, list);
+ for (idx = 0; idx < instance->input.channels.size; idx++) {
+ chn = instance->input.channels.array[idx];
+ data = instance->input.data[idx];
+ if (data == NULL) {
+ data = (LADSPA_Data *)((char *)areas[chn].addr + (areas[chn].first / 8));
+ data += offset;
+ }
+ instance->desc->connect_port(instance->handle, instance->input.ports.array[idx], data);
+ }
+ for (idx = 0; idx < instance->output.channels.size; idx++) {
+ chn = instance->output.channels.array[idx];
+ data = instance->output.data[idx];
+ if (data == NULL) {
+ data = (LADSPA_Data *)((char *)slave_areas[chn].addr + (areas[chn].first / 8));
+ data += slave_offset;
+ }
+ instance->desc->connect_port(instance->handle, instance->output.ports.array[idx], data);
+ }
+ instance->desc->run(instance->handle, size1);
+ }
+ }
+ offset += size1;
+ slave_offset += size1;
+ size -= size1;
+ }
+#endif
+ *slave_sizep = size2;
+ return size2;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_ladspa_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+ snd_pcm_ladspa_instance_t *instance;
+ struct list_head *pos, *pos1;
+ LADSPA_Data *data;
+ unsigned int idx, chn, size1, size2;;
+
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ size2 = size;
+#if 0 /* no processing - for testing purposes only */
+ snd_pcm_areas_copy(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size, pcm->format);
+#else
+ while (size > 0) {
+ size1 = size;
+ if (size1 > ladspa->allocated)
+ size1 = ladspa->allocated;
+ list_for_each(pos, &ladspa->cplugins) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ list_for_each(pos1, &plugin->instances) {
+ instance = list_entry(pos1, snd_pcm_ladspa_instance_t, list);
+ for (idx = 0; idx < instance->input.channels.size; idx++) {
+ chn = instance->input.channels.array[idx];
+ data = instance->input.data[idx];
+ if (data == NULL) {
+ data = (LADSPA_Data *)((char *)slave_areas[chn].addr + (areas[chn].first / 8));
+ data += slave_offset;
+ }
+ instance->desc->connect_port(instance->handle, instance->input.ports.array[idx], data);
+ }
+ for (idx = 0; idx < instance->output.channels.size; idx++) {
+ chn = instance->output.channels.array[idx];
+ data = instance->output.data[idx];
+ if (data == NULL) {
+ data = (LADSPA_Data *)((char *)areas[chn].addr + (areas[chn].first / 8));
+ data += offset;
+ }
+ instance->desc->connect_port(instance->handle, instance->output.ports.array[idx], data);
+ }
+ instance->desc->run(instance->handle, size1);
+ }
+ }
+ offset += size1;
+ slave_offset += size1;
+ size -= size1;
+ }
+#endif
+ *slave_sizep = size2;
+ return size2;
+}
+
+static void snd_pcm_ladspa_dump_direction(snd_pcm_ladspa_plugin_t *plugin,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_output_t *out)
+{
+ unsigned int idx, midx;
+
+ if (io->port_bindings_size == 0)
+ goto __control;
+ snd_output_printf(out, " Audio %s port bindings:\n", io->pdesc == LADSPA_PORT_INPUT ? "input" : "output");
+ for (idx = 0; idx < io->port_bindings_size; idx++) {
+ if (io->port_bindings[idx] == NO_ASSIGN)
+ snd_output_printf(out, " %i -> NONE\n", idx);
+ else
+ snd_output_printf(out, " %i -> %i\n", idx, io->port_bindings[idx]);
+ }
+ __control:
+ if (io->controls_size == 0)
+ return;
+ snd_output_printf(out, " Control %s port initial values:\n", io->pdesc == LADSPA_PORT_INPUT ? "input" : "output");
+ for (idx = midx = 0; idx < plugin->desc->PortCount; idx++) {
+ if ((plugin->desc->PortDescriptors[idx] & (io->pdesc | LADSPA_PORT_CONTROL)) == (io->pdesc | LADSPA_PORT_CONTROL)) {
+ snd_output_printf(out, " %i \"%s\" = %.8f\n", idx, plugin->desc->PortNames[idx], io->controls[midx]);
+ midx++;
+ }
+ }
+}
+
+static void snd_pcm_ladspa_dump_array(snd_output_t *out,
+ snd_pcm_ladspa_array_t *array,
+ snd_pcm_ladspa_plugin_t *plugin)
+{
+ unsigned int size = array->size;
+ unsigned int val, idx = 0;
+
+ while (size-- > 0) {
+ if (idx > 0) {
+ snd_output_putc(out, ',');
+ snd_output_putc(out, ' ');
+ }
+ val = array->array[idx++];
+ if (val == NO_ASSIGN)
+ snd_output_putc(out, '-');
+ else
+ snd_output_printf(out, "%u", val);
+ if (plugin && val != NO_ASSIGN)
+ snd_output_printf(out, " \"%s\"", plugin->desc->PortNames[val]);
+ }
+}
+
+static void snd_pcm_ladspa_plugins_dump(struct list_head *list, snd_output_t *out)
+{
+ struct list_head *pos, *pos2;
+
+ list_for_each(pos, list) {
+ snd_pcm_ladspa_plugin_t *plugin = list_entry(pos, snd_pcm_ladspa_plugin_t, list);
+ snd_output_printf(out, " Policy: %s\n", plugin->policy == SND_PCM_LADSPA_POLICY_NONE ? "none" : "duplicate");
+ snd_output_printf(out, " Filename: %s\n", plugin->filename);
+ snd_output_printf(out, " Plugin Name: %s\n", plugin->desc->Name);
+ snd_output_printf(out, " Plugin Label: %s\n", plugin->desc->Label);
+ snd_output_printf(out, " Plugin Unique ID: %lu\n", plugin->desc->UniqueID);
+ snd_output_printf(out, " Instances:\n");
+ list_for_each(pos2, &plugin->instances) {
+ snd_pcm_ladspa_instance_t *in = (snd_pcm_ladspa_instance_t *) pos2;
+ snd_output_printf(out, " Depth: %i\n", in->depth);
+ snd_output_printf(out, " InChannels: ");
+ snd_pcm_ladspa_dump_array(out, &in->input.channels, NULL);
+ snd_output_printf(out, "\n InPorts: ");
+ snd_pcm_ladspa_dump_array(out, &in->input.ports, plugin);
+ snd_output_printf(out, "\n OutChannels: ");
+ snd_pcm_ladspa_dump_array(out, &in->output.channels, NULL);
+ snd_output_printf(out, "\n OutPorts: ");
+ snd_pcm_ladspa_dump_array(out, &in->output.ports, plugin);
+ snd_output_printf(out, "\n");
+ }
+ snd_pcm_ladspa_dump_direction(plugin, &plugin->input, out);
+ snd_pcm_ladspa_dump_direction(plugin, &plugin->output, out);
+ }
+}
+
+static void snd_pcm_ladspa_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_ladspa_t *ladspa = pcm->private_data;
+
+ snd_output_printf(out, "LADSPA PCM\n");
+ snd_output_printf(out, " Playback:\n");
+ snd_pcm_ladspa_plugins_dump(&ladspa->pplugins, out);
+ snd_output_printf(out, " Capture:\n");
+ snd_pcm_ladspa_plugins_dump(&ladspa->cplugins, out);
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(ladspa->plug.gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_ladspa_ops = {
+ .close = snd_pcm_ladspa_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_ladspa_hw_refine,
+ .hw_params = snd_pcm_ladspa_hw_params,
+ .hw_free = snd_pcm_ladspa_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_ladspa_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+static int snd_pcm_ladspa_check_file(snd_pcm_ladspa_plugin_t * const plugin,
+ const char *filename,
+ const char *label,
+ const unsigned long ladspa_id)
+{
+ void *handle;
+
+ assert(filename);
+ handle = dlopen(filename, RTLD_LAZY);
+ if (handle) {
+ LADSPA_Descriptor_Function fcn = (LADSPA_Descriptor_Function)dlsym(handle, "ladspa_descriptor");
+ if (fcn) {
+ long idx;
+ const LADSPA_Descriptor *d;
+ for (idx = 0; (d = fcn(idx)) != NULL; idx++) {
+/*
+ * avoid locale problems - see ALSA bug#1553
+ */
+#if 0
+ if (strcmp(label, d->Label))
+ continue;
+#else
+ char *labellocale;
+ struct lconv *lc;
+ if (label != NULL) {
+ lc = localeconv ();
+ labellocale = malloc (strlen (label) + 1);
+ if (labellocale == NULL) {
+ dlclose(handle);
+ return -ENOMEM;
+ }
+ strcpy (labellocale, label);
+ if (strrchr(labellocale, '.'))
+ *strrchr (labellocale, '.') = *lc->decimal_point;
+ if (strcmp(label, d->Label) && strcmp(labellocale, d->Label)) {
+ free(labellocale);
+ continue;
+ }
+ free (labellocale);
+ }
+#endif
+ if (ladspa_id > 0 && d->UniqueID != ladspa_id)
+ continue;
+ plugin->filename = strdup(filename);
+ if (plugin->filename == NULL) {
+ dlclose(handle);
+ return -ENOMEM;
+ }
+ plugin->dl_handle = handle;
+ plugin->desc = d;
+ return 1;
+ }
+ }
+ dlclose(handle);
+ }
+ return -ENOENT;
+}
+
+static int snd_pcm_ladspa_check_dir(snd_pcm_ladspa_plugin_t * const plugin,
+ const char *path,
+ const char *label,
+ const unsigned long ladspa_id)
+{
+ DIR *dir;
+ struct dirent * dirent;
+ int len = strlen(path), err;
+ int need_slash;
+ char *filename;
+
+ if (len < 1)
+ return 0;
+ need_slash = path[len - 1] != '/';
+
+ dir = opendir(path);
+ if (!dir)
+ return -ENOENT;
+
+ while (1) {
+ dirent = readdir(dir);
+ if (!dirent) {
+ closedir(dir);
+ return 0;
+ }
+
+ filename = malloc(len + strlen(dirent->d_name) + 1 + need_slash);
+ if (filename == NULL) {
+ closedir(dir);
+ return -ENOMEM;
+ }
+ strcpy(filename, path);
+ if (need_slash)
+ strcat(filename, "/");
+ strcat(filename, dirent->d_name);
+ err = snd_pcm_ladspa_check_file(plugin, filename, label, ladspa_id);
+ free(filename);
+ if (err < 0 && err != -ENOENT) {
+ closedir(dir);
+ return err;
+ }
+ if (err > 0) {
+ closedir(dir);
+ return 1;
+ }
+ }
+ /* never reached */
+ return 0;
+}
+
+static int snd_pcm_ladspa_look_for_plugin(snd_pcm_ladspa_plugin_t * const plugin,
+ const char *path,
+ const char *label,
+ const long ladspa_id)
+{
+ const char *c;
+ size_t l;
+ int err;
+
+ for (c = path; (l = strcspn(c, ": ")) > 0; ) {
+ char name[l + 1];
+ char *fullpath;
+ memcpy(name, c, l);
+ name[l] = 0;
+ err = snd_user_file(name, &fullpath);
+ if (err < 0)
+ return err;
+ err = snd_pcm_ladspa_check_dir(plugin, fullpath, label, ladspa_id);
+ free(fullpath);
+ if (err < 0)
+ return err;
+ if (err > 0)
+ return 0;
+ c += l;
+ if (!*c)
+ break;
+ c++;
+ }
+ return -ENOENT;
+}
+
+static int snd_pcm_ladspa_add_default_controls(snd_pcm_ladspa_plugin_t *lplug,
+ snd_pcm_ladspa_plugin_io_t *io)
+{
+ unsigned int count = 0;
+ LADSPA_Data *array;
+ unsigned char *initialized;
+ unsigned long idx;
+
+ for (idx = 0; idx < lplug->desc->PortCount; idx++)
+ if ((lplug->desc->PortDescriptors[idx] & (io->pdesc | LADSPA_PORT_CONTROL)) == (io->pdesc | LADSPA_PORT_CONTROL))
+ count++;
+ array = (LADSPA_Data *)calloc(count, sizeof(LADSPA_Data));
+ if (!array)
+ return -ENOMEM;
+ initialized = (unsigned char *)calloc(count, sizeof(unsigned char));
+ if (!initialized) {
+ free(array);
+ return -ENOMEM;
+ }
+ io->controls_size = count;
+ io->controls_initialized = initialized;
+ io->controls = array;
+
+ return 0;
+}
+
+static int snd_pcm_ladspa_parse_controls(snd_pcm_ladspa_plugin_t *lplug,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_config_t *controls)
+{
+ snd_config_iterator_t i, next;
+ int err;
+
+ if (snd_config_get_type(controls) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("controls definition must be a compound");
+ return -EINVAL;
+ }
+
+ snd_config_for_each(i, next, controls) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ long lval;
+ unsigned int port, uval;
+ double dval;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &lval);
+ if (err >= 0) {
+ err = snd_pcm_ladspa_find_port(&port, lplug, io->pdesc | LADSPA_PORT_CONTROL, lval);
+ } else {
+ err = snd_pcm_ladspa_find_sport(&port, lplug, io->pdesc | LADSPA_PORT_CONTROL, id);
+ }
+ if (err < 0) {
+ SNDERR("Unable to find an control port (%s)", id);
+ return err;
+ }
+ if (snd_config_get_ireal(n, &dval) < 0) {
+ SNDERR("Control port %s has not an float or integer value", id);
+ return err;
+ }
+ err = snd_pcm_ladspa_find_port_idx(&uval, lplug, io->pdesc | LADSPA_PORT_CONTROL, port);
+ if (err < 0) {
+ SNDERR("internal error");
+ return err;
+ }
+ io->controls_initialized[uval] = 1;
+ io->controls[uval] = (LADSPA_Data)dval;
+ }
+
+ return 0;
+}
+
+static int snd_pcm_ladspa_parse_bindings(snd_pcm_ladspa_plugin_t *lplug,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_config_t *bindings)
+{
+ unsigned int count = 0;
+ unsigned int *array;
+ snd_config_iterator_t i, next;
+ int err;
+
+ if (snd_config_get_type(bindings) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("bindings definition must be a compound");
+ return -EINVAL;
+ }
+ snd_config_for_each(i, next, bindings) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ long channel;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &channel);
+ if (err < 0 || channel < 0) {
+ SNDERR("Invalid channel number: %s", id);
+ return -EINVAL;
+ }
+ if (lplug->policy == SND_PCM_LADSPA_POLICY_DUPLICATE && channel > 0) {
+ SNDERR("Wrong channel specification for duplicate policy");
+ return -EINVAL;
+ }
+ if (count < (unsigned int)(channel + 1))
+ count = (unsigned int)(channel + 1);
+ }
+ if (count > 0) {
+ array = (unsigned int *)malloc(count * sizeof(unsigned int));
+ if (! array)
+ return -ENOMEM;
+ memset(array, 0xff, count * sizeof(unsigned int));
+ io->port_bindings_size = count;
+ io->port_bindings = array;
+ snd_config_for_each(i, next, bindings) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id, *sport;
+ long channel, port;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &channel);
+ if (err < 0 || channel < 0) {
+ assert(0); /* should never happen */
+ return -EINVAL;
+ }
+ err = snd_config_get_integer(n, &port);
+ if (err >= 0) {
+ err = snd_pcm_ladspa_find_port(&array[channel], lplug, io->pdesc | LADSPA_PORT_AUDIO, port);
+ if (err < 0) {
+ SNDERR("Unable to find an audio port (%li) for channel %s", port, id);
+ return err;
+ }
+ continue;
+ }
+ err = snd_config_get_string(n, &sport);
+ if (err < 0) {
+ SNDERR("Invalid LADSPA port field type for %s", id);
+ return -EINVAL;
+ }
+ err = snd_pcm_ladspa_find_sport(&array[channel], lplug, io->pdesc | LADSPA_PORT_AUDIO, sport);
+ if (err < 0) {
+ SNDERR("Unable to find an audio port (%s) for channel %s", sport, id);
+ return err;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int snd_pcm_ladspa_parse_ioconfig(snd_pcm_ladspa_plugin_t *lplug,
+ snd_pcm_ladspa_plugin_io_t *io,
+ snd_config_t *conf)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *bindings = NULL, *controls = NULL;
+ int err;
+
+ /* always add default controls for both input and output */
+ err = snd_pcm_ladspa_add_default_controls(lplug, io);
+ if (err < 0) {
+ SNDERR("error adding default controls");
+ return err;
+ }
+
+ if (conf == NULL) {
+ return 0;
+ }
+
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("input or output definition must be a compound");
+ return -EINVAL;
+ }
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "bindings") == 0) {
+ bindings = n;
+ continue;
+ }
+ if (strcmp(id, "controls") == 0) {
+ controls = n;
+ continue;
+ }
+ }
+
+ /* ignore values of parameters for output controls */
+ if (controls && !(io->pdesc & LADSPA_PORT_OUTPUT)) {
+ err = snd_pcm_ladspa_parse_controls(lplug, io, controls);
+ if (err < 0)
+ return err;
+ }
+
+ if (bindings) {
+ err = snd_pcm_ladspa_parse_bindings(lplug, io, bindings);
+ if (err < 0)
+ return err;
+ }
+
+
+ return 0;
+}
+
+static int snd_pcm_ladspa_add_plugin(struct list_head *list,
+ const char *path,
+ snd_config_t *plugin,
+ int reverse)
+{
+ snd_config_iterator_t i, next;
+ const char *label = NULL, *filename = NULL;
+ long ladspa_id = 0;
+ int err;
+ snd_pcm_ladspa_plugin_t *lplug;
+ snd_pcm_ladspa_policy_t policy = SND_PCM_LADSPA_POLICY_DUPLICATE;
+ snd_config_t *input = NULL, *output = NULL;
+
+ snd_config_for_each(i, next, plugin) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "label") == 0) {
+ err = snd_config_get_string(n, &label);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "id") == 0) {
+ err = snd_config_get_integer(n, &ladspa_id);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "filename") == 0) {
+ err = snd_config_get_string(n, &filename);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "input") == 0) {
+ input = n;
+ continue;
+ }
+ if (strcmp(id, "output") == 0) {
+ output = n;
+ continue;
+ }
+ if (strcmp(id, "policy") == 0) {
+ const char *str;
+ err = snd_config_get_string(n, &str);
+ if (err < 0) {
+ SNDERR("policy field must be a string");
+ return err;
+ }
+ if (strcmp(str, "none") == 0)
+ policy = SND_PCM_LADSPA_POLICY_NONE;
+ else if (strcmp(str, "duplicate") == 0)
+ policy = SND_PCM_LADSPA_POLICY_DUPLICATE;
+ else {
+ SNDERR("unknown policy definition");
+ return -EINVAL;
+ }
+ continue;
+ }
+ }
+ if (label == NULL && ladspa_id <= 0) {
+ SNDERR("no plugin label or id");
+ return -EINVAL;
+ }
+ lplug = (snd_pcm_ladspa_plugin_t *)calloc(1, sizeof(snd_pcm_ladspa_plugin_t));
+ if (lplug == NULL)
+ return -ENOMEM;
+ lplug->policy = policy;
+ lplug->input.pdesc = LADSPA_PORT_INPUT;
+ lplug->output.pdesc = LADSPA_PORT_OUTPUT;
+ INIT_LIST_HEAD(&lplug->instances);
+ if (filename) {
+ err = snd_pcm_ladspa_check_file(lplug, filename, label, ladspa_id);
+ if (err < 0) {
+ SNDERR("Unable to load plugin '%s' ID %li, filename '%s'", label, ladspa_id, filename);
+ free(lplug);
+ return err;
+ }
+ } else {
+ err = snd_pcm_ladspa_look_for_plugin(lplug, path, label, ladspa_id);
+ if (err < 0) {
+ SNDERR("Unable to find or load plugin '%s' ID %li, path '%s'", label, ladspa_id, path);
+ free(lplug);
+ return err;
+ }
+ }
+ if (!reverse) {
+ list_add_tail(&lplug->list, list);
+ } else {
+ list_add(&lplug->list, list);
+ }
+ err = snd_pcm_ladspa_parse_ioconfig(lplug, &lplug->input, input);
+ if (err < 0)
+ return err;
+ err = snd_pcm_ladspa_parse_ioconfig(lplug, &lplug->output, output);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_ladspa_build_plugins(struct list_head *list,
+ const char *path,
+ snd_config_t *plugins,
+ int reverse)
+{
+ snd_config_iterator_t i, next;
+ int idx = 0, hit, err;
+
+ if (plugins == NULL) /* nothing TODO */
+ return 0;
+ if (snd_config_get_type(plugins) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("plugins must be defined inside a compound");
+ return -EINVAL;
+ }
+ do {
+ hit = 0;
+ snd_config_for_each(i, next, plugins) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ long i;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &i);
+ if (err < 0) {
+ SNDERR("id of field %s is not an integer", id);
+ return err;
+ }
+ if (i == idx) {
+ idx++;
+ err = snd_pcm_ladspa_add_plugin(list, path, n, reverse);
+ if (err < 0)
+ return err;
+ hit = 1;
+ }
+ }
+ } while (hit);
+ if (list_empty(list)) {
+ SNDERR("empty plugin list is not accepted");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/**
+ * \brief Creates a new LADSPA<->ALSA Plugin
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param ladspa_path The path for LADSPA plugins
+ * \param channels Force input channel count to LADSPA plugin chain, 0 = no force (auto)
+ * \param ladspa_pplugins The playback configuration
+ * \param ladspa_cplugins The capture configuration
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_ladspa_open(snd_pcm_t **pcmp, const char *name,
+ const char *ladspa_path,
+ unsigned int channels,
+ snd_config_t *ladspa_pplugins,
+ snd_config_t *ladspa_cplugins,
+ snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_ladspa_t *ladspa;
+ int err, reverse = 0;
+
+ assert(pcmp && (ladspa_pplugins || ladspa_cplugins) && slave);
+
+ if (!ladspa_path && !(ladspa_path = getenv("LADSPA_PATH")))
+ return -ENOENT;
+ ladspa = calloc(1, sizeof(snd_pcm_ladspa_t));
+ if (!ladspa)
+ return -ENOMEM;
+ snd_pcm_plugin_init(&ladspa->plug);
+ ladspa->plug.init = snd_pcm_ladspa_init;
+ ladspa->plug.read = snd_pcm_ladspa_read_areas;
+ ladspa->plug.write = snd_pcm_ladspa_write_areas;
+ ladspa->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ ladspa->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ ladspa->plug.gen.slave = slave;
+ ladspa->plug.gen.close_slave = close_slave;
+
+ INIT_LIST_HEAD(&ladspa->pplugins);
+ INIT_LIST_HEAD(&ladspa->cplugins);
+ ladspa->channels = channels;
+
+ if (slave->stream == SND_PCM_STREAM_PLAYBACK) {
+ err = snd_pcm_ladspa_build_plugins(&ladspa->pplugins, ladspa_path, ladspa_pplugins, reverse);
+ if (err < 0) {
+ snd_pcm_ladspa_free(ladspa);
+ return err;
+ }
+ }
+ if (slave->stream == SND_PCM_STREAM_CAPTURE) {
+ if (ladspa_cplugins == ladspa_pplugins)
+ reverse = 1;
+ err = snd_pcm_ladspa_build_plugins(&ladspa->cplugins, ladspa_path, ladspa_cplugins, reverse);
+ if (err < 0) {
+ snd_pcm_ladspa_free(ladspa);
+ return err;
+ }
+ }
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_LADSPA, name, slave->stream, slave->mode);
+ if (err < 0) {
+ snd_pcm_ladspa_free(ladspa);
+ return err;
+ }
+ pcm->ops = &snd_pcm_ladspa_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = ladspa;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &ladspa->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &ladspa->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_ladpsa Plugin: LADSPA <-> ALSA
+
+This plugin allows to apply a set of LADPSA plugins.
+The input and output format is always #SND_PCM_FORMAT_FLOAT (note: this type
+can be either little or big-endian depending on architecture).
+
+The policy duplicate means that there must be only one binding definition for
+channel zero. This definition is automatically duplicated for all channels.
+If the LADSPA plugin has multiple audio inputs or outputs the policy duplicate
+is automatically switched to policy none.
+
+The plugin serialization works as expected. You can eventually use more
+channels (inputs / outputs) inside the LADPSA plugin chain than processed
+in the ALSA plugin chain. If ALSA channel does not exist for given LADSPA
+input audio port, zero samples are given to this LADSPA port. On the output
+side (ALSA next plugin input), the valid channels are checked, too.
+If specific ALSA channel does not exist, the LADSPA output port is
+connected to a dummy sample area.
+
+Instances of LADSPA plugins are created dynamically.
+
+\code
+pcm.name {
+ type ladspa # ALSA<->LADSPA PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ [channels INT] # count input channels (input to LADSPA plugin chain)
+ [path STR] # Path (directory) with LADSPA plugins
+ plugins | # Definition for both directions
+ playback_plugins | # Definition for playback direction
+ capture_plugins { # Definition for capture direction
+ N { # Configuration for LADPSA plugin N
+ [id INT] # LADSPA plugin ID (for example 1043)
+ [label STR] # LADSPA plugin label (for example 'delay_5s')
+ [filename STR] # Full filename of .so library with LADSPA plugin code
+ [policy STR] # Policy can be 'none' or 'duplicate'
+ input | output {
+ bindings {
+ C INT or STR # C - channel, INT - audio port index, STR - audio port name
+ }
+ controls {
+ # valid only in the input block
+ I INT or REAL # I - control port index, INT or REAL - control value
+ # or
+ STR INT or REAL # STR - control port name, INT or REAL - control value
+ }
+ }
+ }
+ }
+}
+\endcode
+
+\subsection pcm_plugins_ladspa_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_ladspa_open()
+ <LI>_snd_pcm_ladspa_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new LADSPA<->ALSA PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with LADSPA<->ALSA PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_ladspa_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ const char *path = NULL;
+ long channels = 0;
+ snd_config_t *plugins = NULL, *pplugins = NULL, *cplugins = NULL;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "path") == 0) {
+ snd_config_get_string(n, &path);
+ continue;
+ }
+ if (strcmp(id, "channels") == 0) {
+ snd_config_get_integer(n, &channels);
+ if (channels > 1024)
+ channels = 1024;
+ if (channels < 0)
+ channels = 0;
+ continue;
+ }
+ if (strcmp(id, "plugins") == 0) {
+ plugins = n;
+ continue;
+ }
+ if (strcmp(id, "playback_plugins") == 0) {
+ pplugins = n;
+ continue;
+ }
+ if (strcmp(id, "capture_plugins") == 0) {
+ cplugins = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ if (plugins) {
+ if (pplugins || cplugins) {
+ SNDERR("'plugins' definition cannot be combined with 'playback_plugins' or 'capture_plugins'");
+ return -EINVAL;
+ }
+ pplugins = plugins;
+ cplugins = plugins;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_ladspa_open(pcmp, name, path, channels, pplugins, cplugins, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_ladspa_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_lfloat.c b/src/pcm/pcm_lfloat.c
new file mode 100644
index 0000000..2f3e578
--- /dev/null
+++ b/src/pcm/pcm_lfloat.c
@@ -0,0 +1,540 @@
+/**
+ * \file pcm/pcm_lfloat.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Linear<->Float Conversion Plugin Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2001
+ */
+/*
+ * PCM - Linear Integer <-> Linear Float conversion
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "plugin_ops.h"
+
+#ifndef DOC_HIDDEN
+
+typedef float float_t;
+typedef double double_t;
+
+#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ <= 91)
+#define BUGGY_GCC
+#endif
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_lfloat = "";
+#endif
+
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ unsigned int int32_idx;
+ unsigned int float32_idx;
+ snd_pcm_format_t sformat;
+ void (*func)(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int get32idx, unsigned int put32floatidx);
+} snd_pcm_lfloat_t;
+
+int snd_pcm_lfloat_get_s32_index(snd_pcm_format_t format)
+{
+ int width, endian;
+
+ switch (format) {
+ case SND_PCM_FORMAT_FLOAT_LE:
+ case SND_PCM_FORMAT_FLOAT_BE:
+ width = 32;
+ break;
+ case SND_PCM_FORMAT_FLOAT64_LE:
+ case SND_PCM_FORMAT_FLOAT64_BE:
+ width = 64;
+ break;
+ default:
+ return -EINVAL;
+ }
+#ifdef SND_LITTLE_ENDIAN
+ endian = snd_pcm_format_big_endian(format);
+#else
+ endian = snd_pcm_format_little_endian(format);
+#endif
+ return ((width / 32)-1) * 2 + endian;
+}
+
+int snd_pcm_lfloat_put_s32_index(snd_pcm_format_t format)
+{
+ return snd_pcm_lfloat_get_s32_index(format);
+}
+
+#endif /* DOC_HIDDEN */
+
+#ifndef BUGGY_GCC
+
+#ifndef DOC_HIDDEN
+
+void snd_pcm_lfloat_convert_integer_float(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int get32idx, unsigned int put32floatidx)
+{
+#define GET32_LABELS
+#define PUT32F_LABELS
+#include "plugin_ops.h"
+#undef PUT32F_LABELS
+#undef GET32_LABELS
+ void *get32 = get32_labels[get32idx];
+ void *put32float = put32float_labels[put32floatidx];
+ unsigned int channel;
+ for (channel = 0; channel < channels; ++channel) {
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ int32_t sample = 0;
+ snd_tmp_float_t tmp_float;
+ snd_tmp_double_t tmp_double;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ goto *get32;
+#define GET32_END sample_loaded
+#include "plugin_ops.h"
+#undef GET32_END
+ sample_loaded:
+ goto *put32float;
+#define PUT32F_END sample_put
+#include "plugin_ops.h"
+#undef PUT32F_END
+ sample_put:
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+void snd_pcm_lfloat_convert_float_integer(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int put32idx, unsigned int get32floatidx)
+{
+#define PUT32_LABELS
+#define GET32F_LABELS
+#include "plugin_ops.h"
+#undef GET32F_LABELS
+#undef PUT32_LABELS
+ void *put32 = put32_labels[put32idx];
+ void *get32float = get32float_labels[get32floatidx];
+ unsigned int channel;
+ for (channel = 0; channel < channels; ++channel) {
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ int32_t sample = 0;
+ snd_tmp_float_t tmp_float;
+ snd_tmp_double_t tmp_double;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ goto *get32float;
+#define GET32F_END sample_loaded
+#include "plugin_ops.h"
+#undef GET32F_END
+ sample_loaded:
+ goto *put32;
+#define PUT32_END sample_put
+#include "plugin_ops.h"
+#undef PUT32_END
+ sample_put:
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+#endif /* DOC_HIDDEN */
+
+static int snd_pcm_lfloat_hw_refine_cprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_lfloat_t *lfloat = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ snd_pcm_format_mask_t lformat_mask = { SND_PCM_FMTBIT_LINEAR };
+ snd_pcm_format_mask_t fformat_mask = { SND_PCM_FMTBIT_FLOAT };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ snd_pcm_format_linear(lfloat->sformat) ?
+ &fformat_mask : &lformat_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_lfloat_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_lfloat_t *lfloat = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_params_set_format(sparams, lfloat->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ return 0;
+}
+
+static int snd_pcm_lfloat_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_lfloat_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_lfloat_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_lfloat_hw_refine_cprepare,
+ snd_pcm_lfloat_hw_refine_cchange,
+ snd_pcm_lfloat_hw_refine_sprepare,
+ snd_pcm_lfloat_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_lfloat_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_lfloat_t *lfloat = pcm->private_data;
+ snd_pcm_t *slave = lfloat->plug.gen.slave;
+ snd_pcm_format_t src_format, dst_format;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_lfloat_hw_refine_cchange,
+ snd_pcm_lfloat_hw_refine_sprepare,
+ snd_pcm_lfloat_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &src_format);
+ dst_format = slave->format;
+ } else {
+ src_format = slave->format;
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &dst_format);
+ }
+ if (snd_pcm_format_linear(src_format)) {
+ lfloat->int32_idx = snd_pcm_linear_get_index(src_format, SND_PCM_FORMAT_S32);
+ lfloat->float32_idx = snd_pcm_lfloat_put_s32_index(dst_format);
+ lfloat->func = snd_pcm_lfloat_convert_integer_float;
+ } else {
+ lfloat->int32_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S32, dst_format);
+ lfloat->float32_idx = snd_pcm_lfloat_get_s32_index(src_format);
+ lfloat->func = snd_pcm_lfloat_convert_float_integer;
+ }
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_lfloat_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_lfloat_t *lfloat = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ lfloat->func(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size,
+ lfloat->int32_idx, lfloat->float32_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_lfloat_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_lfloat_t *lfloat = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ lfloat->func(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size,
+ lfloat->int32_idx, lfloat->float32_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static void snd_pcm_lfloat_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_lfloat_t *lfloat = pcm->private_data;
+ snd_output_printf(out, "Linear Integer <-> Linear Float conversion PCM (%s)\n",
+ snd_pcm_format_name(lfloat->sformat));
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(lfloat->plug.gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_lfloat_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_lfloat_hw_refine,
+ .hw_params = snd_pcm_lfloat_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_lfloat_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new linear conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave (destination) format
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_lfloat_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_lfloat_t *lfloat;
+ int err;
+ assert(pcmp && slave);
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ snd_pcm_format_float(sformat) != 1)
+ return -EINVAL;
+ lfloat = calloc(1, sizeof(snd_pcm_lfloat_t));
+ if (!lfloat) {
+ return -ENOMEM;
+ }
+ snd_pcm_plugin_init(&lfloat->plug);
+ lfloat->sformat = sformat;
+ lfloat->plug.read = snd_pcm_lfloat_read_areas;
+ lfloat->plug.write = snd_pcm_lfloat_write_areas;
+ lfloat->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ lfloat->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ lfloat->plug.gen.slave = slave;
+ lfloat->plug.gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_LINEAR_FLOAT, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(lfloat);
+ return err;
+ }
+ pcm->ops = &snd_pcm_lfloat_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = lfloat;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &lfloat->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &lfloat->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_lfloat Plugin: linear<->float
+
+This plugin converts linear to float samples and float to linear samples from master
+linear<->float conversion PCM to given slave PCM. The channel count, format and rate must
+match for both of them.
+
+\code
+pcm.name {
+ type lfloat # Linear<->Float conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ format STR # Slave format
+ }
+}
+\endcode
+
+\subsection pcm_plugins_lfloat_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_lfloat_open()
+ <LI>_snd_pcm_lfloat_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new linear<->float conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_lfloat_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_pcm_format_t sformat;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 1,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_MANDATORY, &sformat);
+ if (err < 0)
+ return err;
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ snd_pcm_format_float(sformat) != 1) {
+ snd_config_delete(sconf);
+ SNDERR("slave format is not linear integer or linear float");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_lfloat_open(pcmp, name, sformat, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_lfloat_open, SND_PCM_DLSYM_VERSION);
+#endif
+
+#else /* BUGGY_GCC */
+
+int snd_pcm_lfloat_open(snd_pcm_t **pcmp ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ snd_pcm_format_t sformat ATTRIBUTE_UNUSED,
+ snd_pcm_t *slave ATTRIBUTE_UNUSED,
+ int close_slave ATTRIBUTE_UNUSED)
+{
+ SNDERR("please, upgrade your GCC to use lfloat plugin");
+ return -EINVAL;
+}
+
+int _snd_pcm_lfloat_open(snd_pcm_t **pcmp ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *conf ATTRIBUTE_UNUSED,
+ snd_pcm_stream_t stream ATTRIBUTE_UNUSED,
+ int mode ATTRIBUTE_UNUSED)
+{
+ SNDERR("please, upgrade your GCC to use lfloat plugin");
+ return -EINVAL;
+}
+
+#endif /* BUGGY_GCC */
diff --git a/src/pcm/pcm_linear.c b/src/pcm/pcm_linear.c
new file mode 100644
index 0000000..9a92abd
--- /dev/null
+++ b/src/pcm/pcm_linear.c
@@ -0,0 +1,549 @@
+/**
+ * \file pcm/pcm_linear.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Linear Conversion Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Linear conversion
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "plugin_ops.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_linear = "";
+#endif
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ unsigned int use_getput;
+ unsigned int conv_idx;
+ unsigned int get_idx, put_idx;
+ snd_pcm_format_t sformat;
+} snd_pcm_linear_t;
+#endif
+
+#ifndef DOC_HIDDEN
+
+int snd_pcm_linear_convert_index(snd_pcm_format_t src_format,
+ snd_pcm_format_t dst_format)
+{
+ int src_endian, dst_endian, sign, src_width, dst_width;
+
+ sign = (snd_pcm_format_signed(src_format) !=
+ snd_pcm_format_signed(dst_format));
+#ifdef SND_LITTLE_ENDIAN
+ src_endian = snd_pcm_format_big_endian(src_format);
+ dst_endian = snd_pcm_format_big_endian(dst_format);
+#else
+ src_endian = snd_pcm_format_little_endian(src_format);
+ dst_endian = snd_pcm_format_little_endian(dst_format);
+#endif
+
+ if (src_endian < 0)
+ src_endian = 0;
+ if (dst_endian < 0)
+ dst_endian = 0;
+
+ src_width = snd_pcm_format_width(src_format) / 8 - 1;
+ dst_width = snd_pcm_format_width(dst_format) / 8 - 1;
+
+ return src_width * 32 + src_endian * 16 + sign * 8 + dst_width * 2 + dst_endian;
+}
+
+int snd_pcm_linear_get_index(snd_pcm_format_t src_format, snd_pcm_format_t dst_format)
+{
+ int sign, width, pwidth, endian;
+ sign = (snd_pcm_format_signed(src_format) !=
+ snd_pcm_format_signed(dst_format));
+#ifdef SND_LITTLE_ENDIAN
+ endian = snd_pcm_format_big_endian(src_format);
+#else
+ endian = snd_pcm_format_little_endian(src_format);
+#endif
+ if (endian < 0)
+ endian = 0;
+ pwidth = snd_pcm_format_physical_width(src_format);
+ width = snd_pcm_format_width(src_format);
+ if (pwidth == 24) {
+ switch (width) {
+ case 24:
+ width = 0; break;
+ case 20:
+ width = 1; break;
+ case 18:
+ default:
+ width = 2; break;
+ }
+ return width * 4 + endian * 2 + sign + 16;
+ } else {
+ width = width / 8 - 1;
+ return width * 4 + endian * 2 + sign;
+ }
+}
+
+int snd_pcm_linear_put_index(snd_pcm_format_t src_format, snd_pcm_format_t dst_format)
+{
+ int sign, width, pwidth, endian;
+ sign = (snd_pcm_format_signed(src_format) !=
+ snd_pcm_format_signed(dst_format));
+#ifdef SND_LITTLE_ENDIAN
+ endian = snd_pcm_format_big_endian(dst_format);
+#else
+ endian = snd_pcm_format_little_endian(dst_format);
+#endif
+ if (endian < 0)
+ endian = 0;
+ pwidth = snd_pcm_format_physical_width(dst_format);
+ width = snd_pcm_format_width(dst_format);
+ if (pwidth == 24) {
+ switch (width) {
+ case 24:
+ width = 0; break;
+ case 20:
+ width = 1; break;
+ case 18:
+ default:
+ width = 2; break;
+ }
+ return width * 4 + endian * 2 + sign + 16;
+ } else {
+ width = width / 8 - 1;
+ return width * 4 + endian * 2 + sign;
+ }
+}
+
+void snd_pcm_linear_convert(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int convidx)
+{
+#define CONV_LABELS
+#include "plugin_ops.h"
+#undef CONV_LABELS
+ void *conv = conv_labels[convidx];
+ unsigned int channel;
+ for (channel = 0; channel < channels; ++channel) {
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ goto *conv;
+#define CONV_END after
+#include "plugin_ops.h"
+#undef CONV_END
+ after:
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+void snd_pcm_linear_getput(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int get_idx, unsigned int put_idx)
+{
+#define CONV24_LABELS
+#include "plugin_ops.h"
+#undef CONV24_LABELS
+ void *get = get32_labels[get_idx];
+ void *put = put32_labels[put_idx];
+ unsigned int channel;
+ u_int32_t sample = 0;
+ for (channel = 0; channel < channels; ++channel) {
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ goto *get;
+#define CONV24_END after
+#include "plugin_ops.h"
+#undef CONV24_END
+ after:
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+#endif /* DOC_HIDDEN */
+
+static int snd_pcm_linear_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ snd_pcm_format_mask_t format_mask = { SND_PCM_FMTBIT_LINEAR };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_linear_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_linear_t *linear = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_params_set_format(sparams, linear->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ return 0;
+}
+
+static int snd_pcm_linear_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_linear_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_linear_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_linear_hw_refine_cprepare,
+ snd_pcm_linear_hw_refine_cchange,
+ snd_pcm_linear_hw_refine_sprepare,
+ snd_pcm_linear_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_linear_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_linear_t *linear = pcm->private_data;
+ snd_pcm_format_t format;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_linear_hw_refine_cchange,
+ snd_pcm_linear_hw_refine_sprepare,
+ snd_pcm_linear_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &format);
+ if (err < 0)
+ return err;
+ linear->use_getput = (snd_pcm_format_physical_width(format) == 24 ||
+ snd_pcm_format_physical_width(linear->sformat) == 24);
+ if (linear->use_getput) {
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ linear->get_idx = snd_pcm_linear_get_index(format, SND_PCM_FORMAT_S32);
+ linear->put_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S32, linear->sformat);
+ } else {
+ linear->get_idx = snd_pcm_linear_get_index(linear->sformat, SND_PCM_FORMAT_S32);
+ linear->put_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S32, format);
+ }
+ } else {
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ linear->conv_idx = snd_pcm_linear_convert_index(format,
+ linear->sformat);
+ else
+ linear->conv_idx = snd_pcm_linear_convert_index(linear->sformat,
+ format);
+ }
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_linear_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_linear_t *linear = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ if (linear->use_getput)
+ snd_pcm_linear_getput(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size,
+ linear->get_idx, linear->put_idx);
+ else
+ snd_pcm_linear_convert(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size, linear->conv_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_linear_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_linear_t *linear = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ if (linear->use_getput)
+ snd_pcm_linear_getput(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size,
+ linear->get_idx, linear->put_idx);
+ else
+ snd_pcm_linear_convert(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size, linear->conv_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static void snd_pcm_linear_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_linear_t *linear = pcm->private_data;
+ snd_output_printf(out, "Linear conversion PCM (%s)\n",
+ snd_pcm_format_name(linear->sformat));
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(linear->plug.gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_linear_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_linear_hw_refine,
+ .hw_params = snd_pcm_linear_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_linear_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+
+/**
+ * \brief Creates a new linear conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave (destination) format
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_linear_t *linear;
+ int err;
+ assert(pcmp && slave);
+ if (snd_pcm_format_linear(sformat) != 1)
+ return -EINVAL;
+ linear = calloc(1, sizeof(snd_pcm_linear_t));
+ if (!linear) {
+ return -ENOMEM;
+ }
+ snd_pcm_plugin_init(&linear->plug);
+ linear->sformat = sformat;
+ linear->plug.read = snd_pcm_linear_read_areas;
+ linear->plug.write = snd_pcm_linear_write_areas;
+ linear->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ linear->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ linear->plug.gen.slave = slave;
+ linear->plug.gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_LINEAR, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(linear);
+ return err;
+ }
+ pcm->ops = &snd_pcm_linear_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = linear;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &linear->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &linear->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_linear Plugin: linear
+
+This plugin converts linear samples from master linear conversion PCM to given
+slave PCM. The channel count, format and rate must match for both of them.
+
+\code
+pcm.name {
+ type linear # Linear conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ format STR # Slave format
+ }
+}
+\endcode
+
+\subsection pcm_plugins_linear_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_linear_open()
+ <LI>_snd_pcm_linear_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new linear conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_pcm_format_t sformat;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 1,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_MANDATORY, &sformat);
+ if (err < 0)
+ return err;
+ if (snd_pcm_format_linear(sformat) != 1) {
+ snd_config_delete(sconf);
+ SNDERR("slave format is not linear");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_linear_open(pcmp, name, sformat, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_linear_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_local.h b/src/pcm/pcm_local.h
new file mode 100644
index 0000000..394505f
--- /dev/null
+++ b/src/pcm/pcm_local.h
@@ -0,0 +1,1041 @@
+/*
+ * PCM Interface - local header file
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ * Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <sys/uio.h>
+#include <time.h>
+#include <sys/time.h>
+
+#define _snd_mask sndrv_mask
+#define _snd_pcm_access_mask _snd_mask
+#define _snd_pcm_format_mask _snd_mask
+#define _snd_pcm_subformat_mask _snd_mask
+
+#include "local.h"
+
+#define SND_INTERVAL_INLINE
+#include "interval.h"
+
+#define SND_MASK_INLINE
+#include "mask.h"
+
+#define SND_PCM_HW_PARAM_ACCESS SNDRV_PCM_HW_PARAM_ACCESS
+#define SND_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_FIRST_MASK
+#define SND_PCM_HW_PARAM_FORMAT SNDRV_PCM_HW_PARAM_FORMAT
+#define SND_PCM_HW_PARAM_SUBFORMAT SNDRV_PCM_HW_PARAM_SUBFORMAT
+#define SND_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_LAST_MASK
+#define SND_PCM_HW_PARAM_SAMPLE_BITS SNDRV_PCM_HW_PARAM_SAMPLE_BITS
+#define SND_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_FIRST_INTERVAL
+#define SND_PCM_HW_PARAM_FRAME_BITS SNDRV_PCM_HW_PARAM_FRAME_BITS
+#define SND_PCM_HW_PARAM_CHANNELS SNDRV_PCM_HW_PARAM_CHANNELS
+#define SND_PCM_HW_PARAM_RATE SNDRV_PCM_HW_PARAM_RATE
+#define SND_PCM_HW_PARAM_PERIOD_TIME SNDRV_PCM_HW_PARAM_PERIOD_TIME
+#define SND_PCM_HW_PARAM_PERIOD_SIZE SNDRV_PCM_HW_PARAM_PERIOD_SIZE
+#define SND_PCM_HW_PARAM_PERIOD_BYTES SNDRV_PCM_HW_PARAM_PERIOD_BYTES
+#define SND_PCM_HW_PARAM_PERIODS SNDRV_PCM_HW_PARAM_PERIODS
+#define SND_PCM_HW_PARAM_BUFFER_TIME SNDRV_PCM_HW_PARAM_BUFFER_TIME
+#define SND_PCM_HW_PARAM_BUFFER_SIZE SNDRV_PCM_HW_PARAM_BUFFER_SIZE
+#define SND_PCM_HW_PARAM_BUFFER_BYTES SNDRV_PCM_HW_PARAM_BUFFER_BYTES
+#define SND_PCM_HW_PARAM_TICK_TIME SNDRV_PCM_HW_PARAM_TICK_TIME
+#define SND_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_LAST_INTERVAL
+#define SND_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_LAST_MASK
+#define SND_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_FIRST_MASK
+#define SND_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_LAST_INTERVAL
+#define SND_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_FIRST_INTERVAL
+
+/** device accepts mmaped access */
+#define SND_PCM_INFO_MMAP SNDRV_PCM_INFO_MMAP
+/** device accepts mmaped access with sample resolution */
+#define SND_PCM_INFO_MMAP_VALID SNDRV_PCM_INFO_MMAP_VALID
+/** device is doing double buffering */
+#define SND_PCM_INFO_DOUBLE SNDRV_PCM_INFO_DOUBLE
+/** device transfers samples in batch */
+#define SND_PCM_INFO_BATCH SNDRV_PCM_INFO_BATCH
+/** device accepts interleaved samples */
+#define SND_PCM_INFO_INTERLEAVED SNDRV_PCM_INFO_INTERLEAVED
+/** device accepts non-interleaved samples */
+#define SND_PCM_INFO_NONINTERLEAVED SNDRV_PCM_INFO_NONINTERLEAVED
+/** device accepts complex sample organization */
+#define SND_PCM_INFO_COMPLEX SNDRV_PCM_INFO_COMPLEX
+/** device is capable block transfers */
+#define SND_PCM_INFO_BLOCK_TRANSFER SNDRV_PCM_INFO_BLOCK_TRANSFER
+/** device can detect DAC/ADC overrange */
+#define SND_PCM_INFO_OVERRANGE SNDRV_PCM_INFO_OVERRANGE
+/** device supports resume */
+#define SND_PCM_INFO_RESUME SNDRV_PCM_INFO_RESUME
+/** device is capable to pause */
+#define SND_PCM_INFO_PAUSE SNDRV_PCM_INFO_PAUSE
+/** device can do only half duplex */
+#define SND_PCM_INFO_HALF_DUPLEX SNDRV_PCM_INFO_HALF_DUPLEX
+/** device can do only joint duplex (same parameters) */
+#define SND_PCM_INFO_JOINT_DUPLEX SNDRV_PCM_INFO_JOINT_DUPLEX
+/** device can do a kind of synchronized start */
+#define SND_PCM_INFO_SYNC_START SNDRV_PCM_INFO_SYNC_START
+/** device can disable period wakeups */
+#define SND_PCM_INFO_NO_PERIOD_WAKEUP SNDRV_PCM_INFO_NO_PERIOD_WAKEUP
+
+#define SND_PCM_HW_PARAMS_NORESAMPLE SNDRV_PCM_HW_PARAMS_NORESAMPLE
+#define SND_PCM_HW_PARAMS_EXPORT_BUFFER SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER
+#define SND_PCM_HW_PARAMS_NO_PERIOD_WAKEUP SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP
+
+#define SND_PCM_INFO_MONOTONIC 0x80000000
+
+typedef struct _snd_pcm_rbptr {
+ snd_pcm_t *master;
+ volatile snd_pcm_uframes_t *ptr;
+ int fd;
+ off_t offset;
+ int link_dst_count;
+ snd_pcm_t **link_dst;
+ void *private_data;
+ void (*changed)(snd_pcm_t *pcm, snd_pcm_t *src);
+} snd_pcm_rbptr_t;
+
+typedef struct _snd_pcm_channel_info {
+ unsigned int channel;
+ void *addr; /* base address of channel samples */
+ unsigned int first; /* offset to first sample in bits */
+ unsigned int step; /* samples distance in bits */
+ enum { SND_PCM_AREA_SHM, SND_PCM_AREA_MMAP, SND_PCM_AREA_LOCAL } type;
+ union {
+ struct {
+ struct snd_shm_area *area;
+ int shmid;
+ } shm;
+ struct {
+ int fd;
+ off_t offset;
+ } mmap;
+ } u;
+ char reserved[64];
+} snd_pcm_channel_info_t;
+
+typedef struct {
+ int (*close)(snd_pcm_t *pcm);
+ int (*nonblock)(snd_pcm_t *pcm, int nonblock);
+ int (*async)(snd_pcm_t *pcm, int sig, pid_t pid);
+ int (*info)(snd_pcm_t *pcm, snd_pcm_info_t *info);
+ int (*hw_refine)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+ int (*hw_params)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+ int (*hw_free)(snd_pcm_t *pcm);
+ int (*sw_params)(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
+ int (*channel_info)(snd_pcm_t *pcm, snd_pcm_channel_info_t *info);
+ void (*dump)(snd_pcm_t *pcm, snd_output_t *out);
+ int (*mmap)(snd_pcm_t *pcm);
+ int (*munmap)(snd_pcm_t *pcm);
+ snd_pcm_chmap_query_t **(*query_chmaps)(snd_pcm_t *pcm);
+ snd_pcm_chmap_t *(*get_chmap)(snd_pcm_t *pcm);
+ int (*set_chmap)(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
+} snd_pcm_ops_t;
+
+typedef struct {
+ int (*status)(snd_pcm_t *pcm, snd_pcm_status_t *status);
+ int (*prepare)(snd_pcm_t *pcm);
+ int (*reset)(snd_pcm_t *pcm);
+ int (*start)(snd_pcm_t *pcm);
+ int (*drop)(snd_pcm_t *pcm);
+ int (*drain)(snd_pcm_t *pcm);
+ int (*pause)(snd_pcm_t *pcm, int enable);
+ snd_pcm_state_t (*state)(snd_pcm_t *pcm);
+ int (*hwsync)(snd_pcm_t *pcm);
+ int (*delay)(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
+ int (*resume)(snd_pcm_t *pcm);
+ int (*link)(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
+ int (*link_slaves)(snd_pcm_t *pcm, snd_pcm_t *master);
+ int (*unlink)(snd_pcm_t *pcm);
+ snd_pcm_sframes_t (*rewindable)(snd_pcm_t *pcm);
+ snd_pcm_sframes_t (*rewind)(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+ snd_pcm_sframes_t (*forwardable)(snd_pcm_t *pcm);
+ snd_pcm_sframes_t (*forward)(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+ snd_pcm_sframes_t (*writei)(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+ snd_pcm_sframes_t (*writen)(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+ snd_pcm_sframes_t (*readi)(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+ snd_pcm_sframes_t (*readn)(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+ snd_pcm_sframes_t (*avail_update)(snd_pcm_t *pcm);
+ snd_pcm_sframes_t (*mmap_commit)(snd_pcm_t *pcm, snd_pcm_uframes_t offset, snd_pcm_uframes_t size);
+ int (*htimestamp)(snd_pcm_t *pcm, snd_pcm_uframes_t *avail, snd_htimestamp_t *tstamp);
+ int (*poll_descriptors_count)(snd_pcm_t *pcm);
+ int (*poll_descriptors)(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
+ int (*poll_revents)(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+ int (*may_wait_for_avail_min)(snd_pcm_t *pcm, snd_pcm_uframes_t avail);
+} snd_pcm_fast_ops_t;
+
+struct _snd_pcm {
+ void *open_func;
+ char *name;
+ snd_pcm_type_t type;
+ snd_pcm_stream_t stream;
+ int mode;
+ long minperiodtime; /* in us */
+ int poll_fd_count;
+ int poll_fd;
+ unsigned short poll_events;
+ int setup: 1,
+ compat: 1;
+ snd_pcm_access_t access; /* access mode */
+ snd_pcm_format_t format; /* SND_PCM_FORMAT_* */
+ snd_pcm_subformat_t subformat; /* subformat */
+ unsigned int channels; /* channels */
+ unsigned int rate; /* rate in Hz */
+ snd_pcm_uframes_t period_size;
+ unsigned int period_time; /* period duration */
+ snd_interval_t periods;
+ snd_pcm_tstamp_t tstamp_mode; /* timestamp mode */
+ snd_pcm_tstamp_type_t tstamp_type; /* timestamp type */
+ unsigned int period_step;
+ snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
+ int period_event;
+ snd_pcm_uframes_t start_threshold;
+ snd_pcm_uframes_t stop_threshold;
+ snd_pcm_uframes_t silence_threshold; /* Silence filling happens when
+ noise is nearest than this */
+ snd_pcm_uframes_t silence_size; /* Silence filling size */
+ snd_pcm_uframes_t boundary; /* pointers wrap point */
+ unsigned int info; /* Info for returned setup */
+ unsigned int msbits; /* used most significant bits */
+ unsigned int rate_num; /* rate numerator */
+ unsigned int rate_den; /* rate denominator */
+ unsigned int hw_flags; /* actual hardware flags */
+ snd_pcm_uframes_t fifo_size; /* chip FIFO size in frames */
+ snd_pcm_uframes_t buffer_size;
+ snd_interval_t buffer_time;
+ unsigned int sample_bits;
+ unsigned int frame_bits;
+ snd_pcm_rbptr_t appl;
+ snd_pcm_rbptr_t hw;
+ snd_pcm_uframes_t min_align;
+ unsigned int mmap_rw: 1; /* use always mmapped buffer */
+ unsigned int mmap_shadow: 1; /* don't call actual mmap,
+ * use the mmaped buffer of the slave
+ */
+ unsigned int donot_close: 1; /* don't close this PCM */
+ snd_pcm_channel_info_t *mmap_channels;
+ snd_pcm_channel_area_t *running_areas;
+ snd_pcm_channel_area_t *stopped_areas;
+ const snd_pcm_ops_t *ops;
+ const snd_pcm_fast_ops_t *fast_ops;
+ snd_pcm_t *op_arg;
+ snd_pcm_t *fast_op_arg;
+ void *private_data;
+ struct list_head async_handlers;
+};
+
+/* make local functions really local */
+/* Grrr, these cannot be local - a bad aserver uses them!
+#define snd_pcm_async \
+ snd1_pcm_async
+#define snd_pcm_mmap \
+ snd1_pcm_mmap
+#define snd_pcm_munmap \
+ snd1_pcm_munmap
+#define snd_pcm_hw_refine \
+ snd1_pcm_hw_refine
+*/
+#define snd_pcm_new \
+ snd1_pcm_new
+#define snd_pcm_free \
+ snd1_pcm_free
+#define snd_pcm_areas_from_buf \
+ snd1_pcm_areas_from_buf
+#define snd_pcm_areas_from_bufs \
+ snd1_pcm_areas_from_bufs
+#define snd_pcm_open_named_slave \
+ snd1_pcm_open_named_slave
+#define snd_pcm_conf_generic_id \
+ snd1_pcm_conf_generic_id
+#define snd_pcm_hw_open_fd \
+ snd1_pcm_hw_open_fd
+#define snd_pcm_wait_nocheck \
+ snd1_pcm_wait_nocheck
+#define snd_pcm_rate_get_default_converter \
+ snd1_pcm_rate_get_default_converter
+#define snd_pcm_set_hw_ptr \
+ snd1_pcm_set_hw_ptr
+#define snd_pcm_set_appl_ptr \
+ snd1_pcm_set_appl_ptr
+#define snd_pcm_link_hw_ptr \
+ snd1_pcm_link_hw_ptr
+#define snd_pcm_link_appl_ptr \
+ snd1_pcm_link_appl_ptr
+#define snd_pcm_unlink_hw_ptr \
+ snd1_pcm_unlink_hw_ptr
+#define snd_pcm_unlink_appl_ptr \
+ snd1_pcm_unlink_appl_ptr
+#define snd_pcm_mmap_appl_ptr \
+ snd1_pcm_mmap_appl_ptr
+#define snd_pcm_mmap_appl_backward \
+ snd1_pcm_mmap_appl_backward
+#define snd_pcm_mmap_appl_forward \
+ snd1_pcm_mmap_appl_forward
+#define snd_pcm_mmap_hw_backward \
+ snd1_pcm_mmap_hw_backward
+#define snd_pcm_mmap_hw_forward \
+ snd1_pcm_mmap_hw_forward
+#define snd_pcm_read_areas \
+ snd1_pcm_read_areas
+#define snd_pcm_write_areas \
+ snd1_pcm_write_areas
+#define snd_pcm_read_mmap \
+ snd1_pcm_read_mmap
+#define snd_pcm_write_mmap \
+ snd1_pcm_write_mmap
+#define snd_pcm_channel_info_shm \
+ snd1_pcm_channel_info_shm
+#define snd_pcm_hw_refine_soft \
+ snd1_pcm_hw_refine_soft
+#define snd_pcm_hw_refine_slave \
+ snd1_pcm_hw_refine_slave
+#define snd_pcm_hw_params_slave \
+ snd1_pcm_hw_params_slave
+#define snd_pcm_hw_param_refine_near \
+ snd1_pcm_hw_param_refine_near
+#define snd_pcm_hw_param_refine_multiple \
+ snd1_pcm_hw_param_refine_multiple
+#define snd_pcm_hw_param_empty \
+ snd1_pcm_hw_param_empty
+#define snd_pcm_hw_param_always_eq \
+ snd1_pcm_hw_param_always_eq
+#define snd_pcm_hw_param_never_eq \
+ snd1_pcm_hw_param_never_eq
+#define snd_pcm_hw_param_get_mask \
+ snd1_pcm_hw_param_get_mask
+#define snd_pcm_hw_param_get_interval \
+ snd1_pcm_hw_param_get_interval
+#define snd_pcm_hw_param_any \
+ snd1_pcm_hw_param_any
+#define snd_pcm_hw_param_set_integer \
+ snd1_pcm_hw_param_set_integer
+#define snd_pcm_hw_param_set_first \
+ snd1_pcm_hw_param_set_first
+#define snd_pcm_hw_param_set_last \
+ snd1_pcm_hw_param_set_last
+#define snd_pcm_hw_param_set_near \
+ snd1_pcm_hw_param_set_near
+#define snd_pcm_hw_param_set_min \
+ snd1_pcm_hw_param_set_min
+#define snd_pcm_hw_param_set_max \
+ snd1_pcm_hw_param_set_max
+#define snd_pcm_hw_param_set_minmax \
+ snd1_pcm_hw_param_set_minmax
+#define snd_pcm_hw_param_set \
+ snd1_pcm_hw_param_set
+#define snd_pcm_hw_param_set_mask \
+ snd1_pcm_hw_param_set_mask
+#define snd_pcm_hw_param_get \
+ snd1_pcm_hw_param_get
+#define snd_pcm_hw_param_get_min \
+ snd1_pcm_hw_param_get_min
+#define snd_pcm_hw_param_get_max \
+ snd1_pcm_hw_param_get_max
+#define snd_pcm_hw_param_name \
+ snd1_pcm_hw_param_name
+
+int snd_pcm_new(snd_pcm_t **pcmp, snd_pcm_type_t type, const char *name,
+ snd_pcm_stream_t stream, int mode);
+int snd_pcm_free(snd_pcm_t *pcm);
+
+void snd_pcm_areas_from_buf(snd_pcm_t *pcm, snd_pcm_channel_area_t *areas, void *buf);
+void snd_pcm_areas_from_bufs(snd_pcm_t *pcm, snd_pcm_channel_area_t *areas, void **bufs);
+
+int snd_pcm_async(snd_pcm_t *pcm, int sig, pid_t pid);
+int snd_pcm_mmap(snd_pcm_t *pcm);
+int snd_pcm_munmap(snd_pcm_t *pcm);
+int snd_pcm_mmap_ready(snd_pcm_t *pcm);
+void snd_pcm_set_hw_ptr(snd_pcm_t *pcm, volatile snd_pcm_uframes_t *hw_ptr, int fd, off_t offset);
+void snd_pcm_set_appl_ptr(snd_pcm_t *pcm, volatile snd_pcm_uframes_t *appl_ptr, int fd, off_t offset);
+void snd_pcm_link_hw_ptr(snd_pcm_t *pcm, snd_pcm_t *slave);
+void snd_pcm_link_appl_ptr(snd_pcm_t *pcm, snd_pcm_t *slave);
+void snd_pcm_unlink_hw_ptr(snd_pcm_t *pcm, snd_pcm_t *slave);
+void snd_pcm_unlink_appl_ptr(snd_pcm_t *pcm, snd_pcm_t *slave);
+snd_pcm_sframes_t snd_pcm_mmap_appl_ptr(snd_pcm_t *pcm, off_t offset);
+void snd_pcm_mmap_appl_backward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+void snd_pcm_mmap_appl_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+void snd_pcm_mmap_hw_backward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+void snd_pcm_mmap_hw_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+
+snd_pcm_sframes_t snd_pcm_mmap_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+
+typedef snd_pcm_sframes_t (*snd_pcm_xfer_areas_func_t)(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size);
+
+snd_pcm_sframes_t snd_pcm_read_areas(snd_pcm_t *pcm, const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset, snd_pcm_uframes_t size,
+ snd_pcm_xfer_areas_func_t func);
+snd_pcm_sframes_t snd_pcm_write_areas(snd_pcm_t *pcm, const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset, snd_pcm_uframes_t size,
+ snd_pcm_xfer_areas_func_t func);
+snd_pcm_sframes_t snd_pcm_read_mmap(snd_pcm_t *pcm, snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_write_mmap(snd_pcm_t *pcm, snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size);
+static inline int snd_pcm_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
+{
+ return pcm->ops->channel_info(pcm, info);
+}
+int snd_pcm_channel_info_shm(snd_pcm_t *pcm, snd_pcm_channel_info_t *info, int shmid);
+int _snd_pcm_poll_descriptor(snd_pcm_t *pcm);
+#define _snd_pcm_link_descriptor _snd_pcm_poll_descriptor /* FIXME */
+#define _snd_pcm_async_descriptor _snd_pcm_poll_descriptor /* FIXME */
+
+/* handle special error cases */
+static inline int snd_pcm_check_error(snd_pcm_t *pcm, int err)
+{
+ if (err == -EINTR) {
+ switch (snd_pcm_state(pcm)) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SND_PCM_STATE_SUSPENDED:
+ return -ESTRPIPE;
+ case SND_PCM_STATE_DISCONNECTED:
+ return -ENODEV;
+ default:
+ break;
+ }
+ }
+ return err;
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_playback_avail(snd_pcm_t *pcm)
+{
+ snd_pcm_sframes_t avail;
+ avail = *pcm->hw.ptr + pcm->buffer_size - *pcm->appl.ptr;
+ if (avail < 0)
+ avail += pcm->boundary;
+ else if ((snd_pcm_uframes_t) avail >= pcm->boundary)
+ avail -= pcm->boundary;
+ return avail;
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_capture_avail(snd_pcm_t *pcm)
+{
+ snd_pcm_sframes_t avail;
+ avail = *pcm->hw.ptr - *pcm->appl.ptr;
+ if (avail < 0)
+ avail += pcm->boundary;
+ return avail;
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_avail(snd_pcm_t *pcm)
+{
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ return snd_pcm_mmap_playback_avail(pcm);
+ else
+ return snd_pcm_mmap_capture_avail(pcm);
+}
+
+static inline snd_pcm_sframes_t snd_pcm_mmap_playback_hw_avail(snd_pcm_t *pcm)
+{
+ return pcm->buffer_size - snd_pcm_mmap_playback_avail(pcm);
+}
+
+static inline snd_pcm_sframes_t snd_pcm_mmap_capture_hw_avail(snd_pcm_t *pcm)
+{
+ return pcm->buffer_size - snd_pcm_mmap_capture_avail(pcm);
+}
+
+static inline snd_pcm_sframes_t snd_pcm_mmap_hw_avail(snd_pcm_t *pcm)
+{
+ return pcm->buffer_size - snd_pcm_mmap_avail(pcm);
+}
+
+static inline snd_pcm_sframes_t snd_pcm_mmap_playback_hw_rewindable(snd_pcm_t *pcm)
+{
+ snd_pcm_sframes_t ret = snd_pcm_mmap_playback_hw_avail(pcm);
+ return (ret >= 0) ? ret : 0;
+}
+
+static inline snd_pcm_sframes_t snd_pcm_mmap_capture_hw_rewindable(snd_pcm_t *pcm)
+{
+ snd_pcm_sframes_t ret = snd_pcm_mmap_capture_hw_avail(pcm);
+ return (ret >= 0) ? ret : 0;
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_hw_rewindable(snd_pcm_t *pcm)
+{
+ snd_pcm_sframes_t ret = snd_pcm_mmap_hw_avail(pcm);
+ return (ret >= 0) ? ret : 0;
+}
+
+static inline const snd_pcm_channel_area_t *snd_pcm_mmap_areas(snd_pcm_t *pcm)
+{
+ if (pcm->stopped_areas &&
+ snd_pcm_state(pcm) != SND_PCM_STATE_RUNNING)
+ return pcm->stopped_areas;
+ return pcm->running_areas;
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_offset(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ return *pcm->appl.ptr % pcm->buffer_size;
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_hw_offset(snd_pcm_t *pcm)
+{
+ assert(pcm);
+ return *pcm->hw.ptr % pcm->buffer_size;
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_playback_delay(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_playback_hw_avail(pcm);
+}
+
+static inline snd_pcm_uframes_t snd_pcm_mmap_capture_delay(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_capture_hw_avail(pcm);
+}
+
+static inline snd_pcm_sframes_t snd_pcm_mmap_delay(snd_pcm_t *pcm)
+{
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ return snd_pcm_mmap_playback_delay(pcm);
+ else
+ return snd_pcm_mmap_capture_delay(pcm);
+}
+
+static inline void *snd_pcm_channel_area_addr(const snd_pcm_channel_area_t *area, snd_pcm_uframes_t offset)
+{
+ unsigned int bitofs = area->first + area->step * offset;
+ assert(bitofs % 8 == 0);
+ return (char *) area->addr + bitofs / 8;
+}
+
+static inline unsigned int snd_pcm_channel_area_step(const snd_pcm_channel_area_t *area)
+{
+ assert(area->step % 8 == 0);
+ return area->step / 8;
+}
+
+static inline snd_pcm_sframes_t _snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ return pcm->fast_ops->writei(pcm->fast_op_arg, buffer, size);
+}
+
+static inline snd_pcm_sframes_t _snd_pcm_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ return pcm->fast_ops->writen(pcm->fast_op_arg, bufs, size);
+}
+
+static inline snd_pcm_sframes_t _snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ return pcm->fast_ops->readi(pcm->fast_op_arg, buffer, size);
+}
+
+static inline snd_pcm_sframes_t _snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ return pcm->fast_ops->readn(pcm->fast_op_arg, bufs, size);
+}
+
+static inline int muldiv(int a, int b, int c, int *r)
+{
+ int64_t n = (int64_t)a * b;
+ int64_t v = n / c;
+ if (v > INT_MAX) {
+ *r = 0;
+ return INT_MAX;
+ }
+ if (v < INT_MIN) {
+ *r = 0;
+ return INT_MIN;
+ }
+ *r = n % c;
+ return v;
+}
+
+static inline int muldiv_down(int a, int b, int c)
+{
+ int64_t v = (int64_t)a * b / c;
+ if (v > INT_MAX) {
+ return INT_MAX;
+ }
+ if (v < INT_MIN) {
+ return INT_MIN;
+ }
+ return v;
+}
+
+static inline int muldiv_near(int a, int b, int c)
+{
+ int r;
+ int n = muldiv(a, b, c, &r);
+ if (r >= (c + 1) / 2)
+ n++;
+ return n;
+}
+
+int snd_pcm_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int _snd_pcm_hw_params_internal(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+#undef _snd_pcm_hw_params
+int snd_pcm_hw_refine_soft(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ int (*cprepare)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params),
+ int (*cchange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*sprepare)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params),
+ int (*schange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*srefine)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *sparams));
+int snd_pcm_hw_params_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ int (*cchange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*sprepare)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params),
+ int (*schange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*sparams)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *sparams));
+
+
+void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params);
+void _snd_pcm_hw_param_set_empty(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var);
+int _snd_pcm_hw_param_set_interval(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_interval_t *val);
+int _snd_pcm_hw_param_set_mask(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, const snd_mask_t *mask);
+int _snd_pcm_hw_param_first(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var);
+int _snd_pcm_hw_param_last(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var);
+int _snd_pcm_hw_param_set(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int val, int dir);
+static inline int _snd_pcm_hw_params_set_format(snd_pcm_hw_params_t *params,
+ snd_pcm_format_t val)
+{
+ return _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_FORMAT,
+ (unsigned long) val, 0);
+}
+
+static inline int _snd_pcm_hw_params_set_subformat(snd_pcm_hw_params_t *params,
+ snd_pcm_subformat_t val)
+{
+ return _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_SUBFORMAT,
+ (unsigned long) val, 0);
+}
+
+int _snd_pcm_hw_param_set_min(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int val, int dir);
+int _snd_pcm_hw_param_set_max(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int val, int dir);
+int _snd_pcm_hw_param_set_minmax(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int min, int mindir,
+ unsigned int max, int maxdir);
+int _snd_pcm_hw_param_refine(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *src);
+int _snd_pcm_hw_params_refine(snd_pcm_hw_params_t *params,
+ unsigned int vars,
+ const snd_pcm_hw_params_t *src);
+int snd_pcm_hw_param_refine_near(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *src);
+int snd_pcm_hw_param_refine_multiple(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *src);
+int snd_pcm_hw_param_empty(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var);
+int snd_pcm_hw_param_always_eq(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *params1);
+int snd_pcm_hw_param_never_eq(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *params1);
+const snd_mask_t *snd_pcm_hw_param_get_mask(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var);
+const snd_interval_t *snd_pcm_hw_param_get_interval(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var);
+
+int snd_pcm_hw_param_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var);
+int snd_pcm_hw_param_set_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var);
+int snd_pcm_hw_param_set_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int *rval, int *dir);
+int snd_pcm_hw_param_set_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int *rval, int *dir);
+int snd_pcm_hw_param_set_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int *val, int *dir);
+int snd_pcm_hw_param_set_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir);
+int snd_pcm_hw_param_set_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var, unsigned int *val, int *dir);
+int snd_pcm_hw_param_set_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var,
+ unsigned int *min, int *mindir,
+ unsigned int *max, int *maxdir);
+int snd_pcm_hw_param_set(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var, unsigned int val, int dir);
+int snd_pcm_hw_param_set_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var, const snd_mask_t *mask);
+int snd_pcm_hw_param_get(const snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir);
+int snd_pcm_hw_param_get_min(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir);
+int snd_pcm_hw_param_get_max(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir);
+
+#ifdef INTERNAL
+snd_pcm_sframes_t INTERNAL(snd_pcm_forward)(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+
+int INTERNAL(snd_pcm_hw_params_get_access)(const snd_pcm_hw_params_t *params, snd_pcm_access_t *access);
+int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t access);
+int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t access);
+int INTERNAL(snd_pcm_hw_params_set_access_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *access);
+int INTERNAL(snd_pcm_hw_params_set_access_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *access);
+int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+int snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+
+int INTERNAL(snd_pcm_hw_params_get_format)(const snd_pcm_hw_params_t *params, snd_pcm_format_t *val);
+int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+int INTERNAL(snd_pcm_hw_params_set_format_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
+int INTERNAL(snd_pcm_hw_params_set_format_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
+int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+
+int INTERNAL(snd_pcm_hw_params_get_subformat)(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
+int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
+int INTERNAL(snd_pcm_hw_params_set_subformat_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int INTERNAL(snd_pcm_hw_params_set_subformat_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+
+int INTERNAL(snd_pcm_hw_params_get_channels)(const snd_pcm_hw_params_t *params, unsigned int *val);
+int INTERNAL(snd_pcm_hw_params_get_channels_min)(const snd_pcm_hw_params_t *params, unsigned int *val);
+int INTERNAL(snd_pcm_hw_params_get_channels_max)(const snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max);
+int INTERNAL(snd_pcm_hw_params_set_channels_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int INTERNAL(snd_pcm_hw_params_set_channels_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int INTERNAL(snd_pcm_hw_params_set_channels_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+
+int INTERNAL(snd_pcm_hw_params_get_rate)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_rate_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_rate_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int INTERNAL(snd_pcm_hw_params_set_rate_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_rate_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_rate_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+int INTERNAL(snd_pcm_hw_params_get_period_time)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_period_time_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_period_time_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int INTERNAL(snd_pcm_hw_params_set_period_time_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_period_time_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_period_time_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+int INTERNAL(snd_pcm_hw_params_get_period_size)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_period_size_min)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_period_size_max)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir);
+int INTERNAL(snd_pcm_hw_params_set_period_size_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_period_size_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_period_size_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int INTERNAL(snd_pcm_hw_params_get_periods)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_periods_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_periods_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int INTERNAL(snd_pcm_hw_params_set_periods_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_periods_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_periods_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int INTERNAL(snd_pcm_hw_params_get_buffer_time)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_buffer_time_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_get_buffer_time_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int INTERNAL(snd_pcm_hw_params_set_buffer_time_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_buffer_time_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int INTERNAL(snd_pcm_hw_params_set_buffer_time_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+int INTERNAL(snd_pcm_hw_params_get_buffer_size)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int INTERNAL(snd_pcm_hw_params_get_buffer_size_min)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int INTERNAL(snd_pcm_hw_params_get_buffer_size_max)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max);
+int INTERNAL(snd_pcm_hw_params_set_buffer_size_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int INTERNAL(snd_pcm_hw_params_set_buffer_size_first)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int INTERNAL(snd_pcm_hw_params_set_buffer_size_last)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+
+int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val);
+int INTERNAL(snd_pcm_sw_params_get_tstamp_mode)(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val);
+int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int INTERNAL(snd_pcm_sw_params_get_avail_min)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int INTERNAL(snd_pcm_sw_params_get_start_threshold)(const snd_pcm_sw_params_t *paramsm, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int INTERNAL(snd_pcm_sw_params_get_stop_threshold)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int INTERNAL(snd_pcm_sw_params_get_silence_threshold)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int INTERNAL(snd_pcm_sw_params_get_silence_size)(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+#endif /* INTERNAL */
+
+const char *snd_pcm_hw_param_name(snd_pcm_hw_param_t param);
+void snd_pcm_hw_param_dump(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, snd_output_t *out);
+#if 0
+int snd_pcm_hw_strategy_simple_near(snd_pcm_hw_strategy_t *strategy, int order,
+ snd_pcm_hw_param_t var,
+ unsigned int best,
+ unsigned int mul);
+int snd_pcm_hw_strategy_simple_choices(snd_pcm_hw_strategy_t *strategy, int order,
+ snd_pcm_hw_param_t var,
+ unsigned int count,
+ snd_pcm_hw_strategy_simple_choices_list_t *choices);
+#endif
+
+#define SCONF_MANDATORY 1
+#define SCONF_UNCHANGED 2
+
+int snd_pcm_slave_conf(snd_config_t *root, snd_config_t *conf,
+ snd_config_t **pcm_conf, unsigned int count, ...);
+
+#define SND_PCM_APPEND (1<<8)
+
+int snd_pcm_open_named_slave(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root,
+ snd_config_t *conf, snd_pcm_stream_t stream,
+ int mode, snd_config_t *parent_conf);
+static inline int
+snd_pcm_open_slave(snd_pcm_t **pcmp, snd_config_t *root,
+ snd_config_t *conf, snd_pcm_stream_t stream,
+ int mode, snd_config_t *parent_conf)
+{
+ return snd_pcm_open_named_slave(pcmp, NULL, root, conf, stream,
+ mode, parent_conf);
+}
+int snd_pcm_conf_generic_id(const char *id);
+
+int snd_pcm_hw_open_fd(snd_pcm_t **pcmp, const char *name, int fd, int mmap_emulation, int sync_ptr_ioctl);
+int __snd_pcm_mmap_emul_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_t *slave, int close_slave);
+
+int snd_pcm_wait_nocheck(snd_pcm_t *pcm, int timeout);
+
+const snd_config_t *snd_pcm_rate_get_default_converter(snd_config_t *root);
+
+#define SND_PCM_HW_PARBIT_ACCESS (1U << SND_PCM_HW_PARAM_ACCESS)
+#define SND_PCM_HW_PARBIT_FORMAT (1U << SND_PCM_HW_PARAM_FORMAT)
+#define SND_PCM_HW_PARBIT_SUBFORMAT (1U << SND_PCM_HW_PARAM_SUBFORMAT)
+#define SND_PCM_HW_PARBIT_CHANNELS (1U << SND_PCM_HW_PARAM_CHANNELS)
+#define SND_PCM_HW_PARBIT_RATE (1U << SND_PCM_HW_PARAM_RATE)
+#define SND_PCM_HW_PARBIT_PERIOD_TIME (1U << SND_PCM_HW_PARAM_PERIOD_TIME)
+#define SND_PCM_HW_PARBIT_PERIOD_SIZE (1U << SND_PCM_HW_PARAM_PERIOD_SIZE)
+#define SND_PCM_HW_PARBIT_PERIODS (1U << SND_PCM_HW_PARAM_PERIODS)
+#define SND_PCM_HW_PARBIT_BUFFER_TIME (1U << SND_PCM_HW_PARAM_BUFFER_TIME)
+#define SND_PCM_HW_PARBIT_BUFFER_SIZE (1U << SND_PCM_HW_PARAM_BUFFER_SIZE)
+#define SND_PCM_HW_PARBIT_SAMPLE_BITS (1U << SND_PCM_HW_PARAM_SAMPLE_BITS)
+#define SND_PCM_HW_PARBIT_FRAME_BITS (1U << SND_PCM_HW_PARAM_FRAME_BITS)
+#define SND_PCM_HW_PARBIT_PERIOD_BYTES (1U << SND_PCM_HW_PARAM_PERIOD_BYTES)
+#define SND_PCM_HW_PARBIT_BUFFER_BYTES (1U << SND_PCM_HW_PARAM_BUFFER_BYTES)
+#define SND_PCM_HW_PARBIT_TICK_TIME (1U << SND_PCM_HW_PARAM_TICK_TIME)
+
+
+#define SND_PCM_ACCBIT_MMAP { ((1U << SND_PCM_ACCESS_MMAP_INTERLEAVED) | \
+ (1U << SND_PCM_ACCESS_MMAP_NONINTERLEAVED) | \
+ (1U << SND_PCM_ACCESS_MMAP_COMPLEX)) }
+#define SND_PCM_ACCBIT_MMAPI { (1U << SND_PCM_ACCESS_MMAP_INTERLEAVED) }
+#define SND_PCM_ACCBIT_MMAPN { (1U << SND_PCM_ACCESS_MMAP_NONINTERLEAVED) }
+#define SND_PCM_ACCBIT_MMAPC { (1U << SND_PCM_ACCESS_MMAP_COMPLEX) }
+
+#define SND_PCM_ACCBIT_SHM { ((1U << SND_PCM_ACCESS_MMAP_INTERLEAVED) | \
+ (1U << SND_PCM_ACCESS_RW_INTERLEAVED) | \
+ (1U << SND_PCM_ACCESS_MMAP_NONINTERLEAVED) | \
+ (1U << SND_PCM_ACCESS_RW_NONINTERLEAVED)) }
+#define SND_PCM_ACCBIT_SHMI { ((1U << SND_PCM_ACCESS_MMAP_INTERLEAVED) | \
+ (1U << SND_PCM_ACCESS_RW_INTERLEAVED)) }
+#define SND_PCM_ACCBIT_SHMN { ((1U << SND_PCM_ACCESS_MMAP_NONINTERLEAVED) | \
+ (1U << SND_PCM_ACCESS_RW_NONINTERLEAVED)) }
+
+#define SND_PCM_FMTBIT_LINEAR \
+ { ((1U << SND_PCM_FORMAT_S8) | \
+ (1U << SND_PCM_FORMAT_U8) | \
+ (1U << SND_PCM_FORMAT_S16_LE) | \
+ (1U << SND_PCM_FORMAT_S16_BE) | \
+ (1U << SND_PCM_FORMAT_U16_LE) | \
+ (1U << SND_PCM_FORMAT_U16_BE) | \
+ (1U << SND_PCM_FORMAT_S24_LE) | \
+ (1U << SND_PCM_FORMAT_S24_BE) | \
+ (1U << SND_PCM_FORMAT_U24_LE) | \
+ (1U << SND_PCM_FORMAT_U24_BE) | \
+ (1U << SND_PCM_FORMAT_S32_LE) | \
+ (1U << SND_PCM_FORMAT_S32_BE) | \
+ (1U << SND_PCM_FORMAT_U32_LE) | \
+ (1U << SND_PCM_FORMAT_U32_BE)), \
+ ((1U << (SND_PCM_FORMAT_S24_3LE - 32)) | \
+ (1U << (SND_PCM_FORMAT_U24_3LE - 32)) | \
+ (1U << (SND_PCM_FORMAT_S24_3BE - 32)) | \
+ (1U << (SND_PCM_FORMAT_U24_3BE - 32)) | \
+ (1U << (SND_PCM_FORMAT_S20_3LE - 32)) | \
+ (1U << (SND_PCM_FORMAT_U20_3LE - 32)) | \
+ (1U << (SND_PCM_FORMAT_S20_3BE - 32)) | \
+ (1U << (SND_PCM_FORMAT_U20_3BE - 32)) | \
+ (1U << (SND_PCM_FORMAT_S18_3LE - 32)) | \
+ (1U << (SND_PCM_FORMAT_U18_3LE - 32)) | \
+ (1U << (SND_PCM_FORMAT_S18_3BE - 32)) | \
+ (1U << (SND_PCM_FORMAT_U18_3BE - 32))) }
+
+
+#define SND_PCM_FMTBIT_FLOAT \
+ { ((1U << SND_PCM_FORMAT_FLOAT_LE) | \
+ (1U << SND_PCM_FORMAT_FLOAT_BE) | \
+ (1U << SND_PCM_FORMAT_FLOAT64_LE) | \
+ (1U << SND_PCM_FORMAT_FLOAT64_BE)) }
+
+
+typedef union snd_tmp_float {
+ float f;
+ int32_t i;
+} snd_tmp_float_t;
+
+typedef union snd_tmp_double {
+ double d;
+ int64_t l;
+} snd_tmp_double_t;
+
+/* get the current timestamp */
+#ifdef HAVE_CLOCK_GETTIME
+static inline void gettimestamp(snd_htimestamp_t *tstamp,
+ snd_pcm_tstamp_type_t tstamp_type)
+{
+ clockid_t id;
+
+ switch (tstamp_type) {
+#ifdef CLOCK_MONOTONIC_RAW
+ case SND_PCM_TSTAMP_TYPE_MONOTONIC_RAW:
+ id = CLOCK_MONOTONIC_RAW;
+ break;
+#endif
+#ifdef CLOCK_MONOTONIC
+ case SND_PCM_TSTAMP_TYPE_MONOTONIC:
+ id = CLOCK_MONOTONIC;
+ break;
+#endif
+ default:
+ id = CLOCK_REALTIME;
+ break;
+ }
+ clock_gettime(id, tstamp);
+}
+#else /* HAVE_CLOCK_GETTIME */
+static inline void gettimestamp(snd_htimestamp_t *tstamp,
+ snd_pcm_tstamp_type_t tstamp_type)
+{
+ struct timeval tv;
+
+ gettimeofday(&tv, 0);
+ tstamp->tv_sec = tv.tv_sec;
+ tstamp->tv_nsec = tv.tv_usec * 1000L;
+}
+#endif /* HAVE_CLOCK_GETTIME */
+
+snd_pcm_chmap_query_t **
+_snd_pcm_make_single_query_chmaps(const snd_pcm_chmap_t *src);
+snd_pcm_chmap_t *_snd_pcm_copy_chmap(const snd_pcm_chmap_t *src);
+snd_pcm_chmap_query_t **
+_snd_pcm_copy_chmap_query(snd_pcm_chmap_query_t * const *src);
+snd_pcm_chmap_query_t **
+_snd_pcm_parse_config_chmaps(snd_config_t *conf);
+snd_pcm_chmap_t *
+_snd_pcm_choose_fixed_chmap(snd_pcm_t *pcm, snd_pcm_chmap_query_t * const *maps);
+
+/* return true if the PCM stream may wait to get avail_min space */
+static inline int snd_pcm_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail)
+{
+ if (avail >= pcm->avail_min)
+ return 0;
+ if (pcm->fast_ops->may_wait_for_avail_min)
+ return pcm->fast_ops->may_wait_for_avail_min(pcm, avail);
+ return 1;
+}
+
+/* hack to access to internal period_event in snd_pcm_sw_parmams */
+static inline int sw_get_period_event(const snd_pcm_sw_params_t *params)
+{
+ return params->reserved[sizeof(params->reserved) / sizeof(params->reserved[0])- 1];
+}
+
+static inline void sw_set_period_event(snd_pcm_sw_params_t *params, int val)
+{
+ params->reserved[sizeof(params->reserved) / sizeof(params->reserved[0]) - 1] = val;
+}
+
+#define PCMINABORT(pcm) (((pcm)->mode & SND_PCM_ABORT) != 0)
diff --git a/src/pcm/pcm_meter.c b/src/pcm/pcm_meter.c
new file mode 100644
index 0000000..034f582
--- /dev/null
+++ b/src/pcm/pcm_meter.c
@@ -0,0 +1,1235 @@
+/**
+ * \file pcm/pcm_meter.c
+ * \brief Helper functions for #SND_PCM_TYPE_METER PCM scopes
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2001
+ *
+ * Helper functions for #SND_PCM_TYPE_METER PCM scopes
+ */
+/*
+ * PCM - Meter plugin
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+
+#include <byteswap.h>
+#include <time.h>
+#include <pthread.h>
+#include <dlfcn.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#define atomic_read(ptr) __atomic_load_n(ptr, __ATOMIC_SEQ_CST )
+#define atomic_add(ptr, n) __atomic_add_fetch(ptr, n, __ATOMIC_SEQ_CST)
+#define atomic_dec(ptr) __atomic_sub_fetch(ptr, 1, __ATOMIC_SEQ_CST)
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_meter = "";
+#endif
+
+#ifndef DOC_HIDDEN
+#define FREQUENCY 50
+
+struct _snd_pcm_scope {
+ int enabled;
+ char *name;
+ const snd_pcm_scope_ops_t *ops;
+ void *private_data;
+ struct list_head list;
+};
+
+typedef struct _snd_pcm_meter {
+ snd_pcm_generic_t gen;
+ snd_pcm_uframes_t rptr;
+ snd_pcm_uframes_t buf_size;
+ snd_pcm_channel_area_t *buf_areas;
+ snd_pcm_uframes_t now;
+ unsigned char *buf;
+ struct list_head scopes;
+ int closed;
+ int running;
+ int reset;
+ pthread_t thread;
+ pthread_mutex_t update_mutex;
+ pthread_mutex_t running_mutex;
+ pthread_cond_t running_cond;
+ struct timespec delay;
+ void *dl_handle;
+} snd_pcm_meter_t;
+
+static void snd_pcm_meter_add_frames(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t ptr,
+ snd_pcm_uframes_t frames)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ while (frames > 0) {
+ snd_pcm_uframes_t n = frames;
+ snd_pcm_uframes_t dst_offset = ptr % meter->buf_size;
+ snd_pcm_uframes_t src_offset = ptr % pcm->buffer_size;
+ snd_pcm_uframes_t dst_cont = meter->buf_size - dst_offset;
+ snd_pcm_uframes_t src_cont = pcm->buffer_size - src_offset;
+ if (n > dst_cont)
+ n = dst_cont;
+ if (n > src_cont)
+ n = src_cont;
+ snd_pcm_areas_copy(meter->buf_areas, dst_offset,
+ areas, src_offset,
+ pcm->channels, n, pcm->format);
+ frames -= n;
+ ptr += n;
+ if (ptr == pcm->boundary)
+ ptr = 0;
+ }
+}
+
+static void snd_pcm_meter_update_main(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_pcm_sframes_t frames;
+ snd_pcm_uframes_t rptr, old_rptr;
+ const snd_pcm_channel_area_t *areas;
+ int locked;
+ locked = (pthread_mutex_trylock(&meter->update_mutex) >= 0);
+ areas = snd_pcm_mmap_areas(pcm);
+ rptr = *pcm->hw.ptr;
+ old_rptr = meter->rptr;
+ meter->rptr = rptr;
+ frames = rptr - old_rptr;
+ if (frames < 0)
+ frames += pcm->boundary;
+ if (frames > 0) {
+ assert((snd_pcm_uframes_t) frames <= pcm->buffer_size);
+ snd_pcm_meter_add_frames(pcm, areas, old_rptr,
+ (snd_pcm_uframes_t) frames);
+ }
+ if (locked)
+ pthread_mutex_unlock(&meter->update_mutex);
+}
+
+static int snd_pcm_meter_update_scope(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_pcm_sframes_t frames;
+ snd_pcm_uframes_t rptr, old_rptr;
+ const snd_pcm_channel_area_t *areas;
+ int reset = 0;
+ /* Wait main thread */
+ pthread_mutex_lock(&meter->update_mutex);
+ areas = snd_pcm_mmap_areas(pcm);
+ _again:
+ rptr = *pcm->hw.ptr;
+ old_rptr = meter->rptr;
+ rmb();
+ if (atomic_read(&meter->reset)) {
+ reset = 1;
+ atomic_dec(&meter->reset);
+ goto _again;
+ }
+ meter->rptr = rptr;
+ frames = rptr - old_rptr;
+ if (frames < 0)
+ frames += pcm->boundary;
+ if (frames > 0) {
+ assert((snd_pcm_uframes_t) frames <= pcm->buffer_size);
+ snd_pcm_meter_add_frames(pcm, areas, old_rptr,
+ (snd_pcm_uframes_t) frames);
+ }
+ pthread_mutex_unlock(&meter->update_mutex);
+ return reset;
+}
+
+static int snd_pcm_scope_remove(snd_pcm_scope_t *scope)
+{
+ free(scope->name);
+ scope->ops->close(scope);
+ list_del(&scope->list);
+ free(scope);
+ return 0;
+}
+
+static int snd_pcm_scope_enable(snd_pcm_scope_t *scope)
+{
+ int err;
+ assert(!scope->enabled);
+ err = scope->ops->enable(scope);
+ scope->enabled = (err >= 0);
+ return err;
+}
+
+static int snd_pcm_scope_disable(snd_pcm_scope_t *scope)
+{
+ assert(scope->enabled);
+ scope->ops->disable(scope);
+ scope->enabled = 0;
+ return 0;
+}
+
+static void *snd_pcm_meter_thread(void *data)
+{
+ snd_pcm_t *pcm = data;
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_pcm_t *spcm = meter->gen.slave;
+ struct list_head *pos;
+ snd_pcm_scope_t *scope;
+ int reset;
+ list_for_each(pos, &meter->scopes) {
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ snd_pcm_scope_enable(scope);
+ }
+ while (!meter->closed) {
+ snd_pcm_sframes_t now;
+ snd_pcm_status_t status;
+ int err;
+ pthread_mutex_lock(&meter->running_mutex);
+ err = snd_pcm_status(spcm, &status);
+ assert(err >= 0);
+ if (status.state != SND_PCM_STATE_RUNNING &&
+ (status.state != SND_PCM_STATE_DRAINING ||
+ spcm->stream != SND_PCM_STREAM_PLAYBACK)) {
+ if (meter->running) {
+ list_for_each(pos, &meter->scopes) {
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ scope->ops->stop(scope);
+ }
+ meter->running = 0;
+ }
+ pthread_cond_wait(&meter->running_cond,
+ &meter->running_mutex);
+ pthread_mutex_unlock(&meter->running_mutex);
+ continue;
+ }
+ pthread_mutex_unlock(&meter->running_mutex);
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ now = status.appl_ptr - status.delay;
+ if (now < 0)
+ now += pcm->boundary;
+ } else {
+ now = status.appl_ptr + status.delay;
+ if ((snd_pcm_uframes_t) now >= pcm->boundary)
+ now -= pcm->boundary;
+ }
+ meter->now = now;
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE)
+ reset = snd_pcm_meter_update_scope(pcm);
+ else {
+ reset = 0;
+ while (atomic_read(&meter->reset)) {
+ reset = 1;
+ atomic_dec(&meter->reset);
+ }
+ }
+ if (reset) {
+ list_for_each(pos, &meter->scopes) {
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ if (scope->enabled)
+ scope->ops->reset(scope);
+ }
+ continue;
+ }
+ if (!meter->running) {
+ list_for_each(pos, &meter->scopes) {
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ if (scope->enabled)
+ scope->ops->start(scope);
+ }
+ meter->running = 1;
+ }
+ list_for_each(pos, &meter->scopes) {
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ if (scope->enabled)
+ scope->ops->update(scope);
+ }
+ nanosleep(&meter->delay, NULL);
+ }
+ list_for_each(pos, &meter->scopes) {
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ if (scope->enabled)
+ snd_pcm_scope_disable(scope);
+ }
+ return NULL;
+}
+
+static int snd_pcm_meter_close(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ struct list_head *pos, *npos;
+ int err = 0;
+ pthread_mutex_destroy(&meter->update_mutex);
+ pthread_mutex_destroy(&meter->running_mutex);
+ pthread_cond_destroy(&meter->running_cond);
+ if (meter->gen.close_slave)
+ err = snd_pcm_close(meter->gen.slave);
+ list_for_each_safe(pos, npos, &meter->scopes) {
+ snd_pcm_scope_t *scope;
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ snd_pcm_scope_remove(scope);
+ }
+ if (meter->dl_handle)
+ snd_dlclose(meter->dl_handle);
+ free(meter);
+ return err;
+}
+
+static int snd_pcm_meter_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ int err;
+ atomic_add(&meter->reset, 1);
+ err = snd_pcm_prepare(meter->gen.slave);
+ if (err >= 0) {
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ meter->rptr = *pcm->appl.ptr;
+ else
+ meter->rptr = *pcm->hw.ptr;
+ }
+ return err;
+}
+
+static int snd_pcm_meter_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ int err = snd_pcm_reset(meter->gen.slave);
+ if (err >= 0) {
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ meter->rptr = *pcm->appl.ptr;
+ }
+ return err;
+}
+
+static int snd_pcm_meter_start(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ int err;
+ pthread_mutex_lock(&meter->running_mutex);
+ err = snd_pcm_start(meter->gen.slave);
+ if (err >= 0)
+ pthread_cond_signal(&meter->running_cond);
+ pthread_mutex_unlock(&meter->running_mutex);
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_meter_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_pcm_sframes_t err = snd_pcm_rewind(meter->gen.slave, frames);
+ if (err > 0 && pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ meter->rptr = *pcm->appl.ptr;
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_meter_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_pcm_sframes_t err = INTERNAL(snd_pcm_forward)(meter->gen.slave, frames);
+ if (err > 0 && pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ meter->rptr = *pcm->appl.ptr;
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_meter_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_pcm_uframes_t old_rptr = *pcm->appl.ptr;
+ snd_pcm_sframes_t result = snd_pcm_mmap_commit(meter->gen.slave, offset, size);
+ if (result <= 0)
+ return result;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ snd_pcm_meter_add_frames(pcm, snd_pcm_mmap_areas(pcm), old_rptr, result);
+ meter->rptr = *pcm->appl.ptr;
+ }
+ return result;
+}
+
+static snd_pcm_sframes_t snd_pcm_meter_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_pcm_sframes_t result = snd_pcm_avail_update(meter->gen.slave);
+ if (result <= 0)
+ return result;
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE)
+ snd_pcm_meter_update_main(pcm);
+ return result;
+}
+
+static int snd_pcm_meter_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_meter_hw_refine_sprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ return 0;
+}
+
+static int snd_pcm_meter_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = ~SND_PCM_HW_PARBIT_ACCESS;
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_meter_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = ~SND_PCM_HW_PARBIT_ACCESS;
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_meter_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ return snd_pcm_hw_refine(meter->gen.slave, params);
+}
+
+static int snd_pcm_meter_hw_params_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ return _snd_pcm_hw_params_internal(meter->gen.slave, params);
+}
+
+static int snd_pcm_meter_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_meter_hw_refine_cprepare,
+ snd_pcm_meter_hw_refine_cchange,
+ snd_pcm_meter_hw_refine_sprepare,
+ snd_pcm_meter_hw_refine_schange,
+ snd_pcm_meter_hw_refine_slave);
+}
+
+static int snd_pcm_meter_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ unsigned int channel;
+ snd_pcm_t *slave = meter->gen.slave;
+ size_t buf_size_bytes;
+ int err;
+ err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_meter_hw_refine_cchange,
+ snd_pcm_meter_hw_refine_sprepare,
+ snd_pcm_meter_hw_refine_schange,
+ snd_pcm_meter_hw_params_slave);
+ if (err < 0)
+ return err;
+ /* more than 1 second of buffer */
+ meter->buf_size = slave->buffer_size;
+ while (meter->buf_size < slave->rate)
+ meter->buf_size *= 2;
+ buf_size_bytes = snd_pcm_frames_to_bytes(slave, meter->buf_size);
+ assert(!meter->buf);
+ meter->buf = malloc(buf_size_bytes);
+ if (!meter->buf)
+ return -ENOMEM;
+ meter->buf_areas = malloc(sizeof(*meter->buf_areas) * slave->channels);
+ if (!meter->buf_areas) {
+ free(meter->buf);
+ return -ENOMEM;
+ }
+ for (channel = 0; channel < slave->channels; ++channel) {
+ snd_pcm_channel_area_t *a = &meter->buf_areas[channel];
+ a->addr = meter->buf + buf_size_bytes / slave->channels * channel;
+ a->first = 0;
+ a->step = slave->sample_bits;
+ }
+ meter->closed = 0;
+ err = pthread_create(&meter->thread, NULL, snd_pcm_meter_thread, pcm);
+ assert(err == 0);
+ return 0;
+}
+
+static int snd_pcm_meter_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ int err;
+ meter->closed = 1;
+ pthread_mutex_lock(&meter->running_mutex);
+ pthread_cond_signal(&meter->running_cond);
+ pthread_mutex_unlock(&meter->running_mutex);
+ err = pthread_join(meter->thread, 0);
+ assert(err == 0);
+ free(meter->buf);
+ free(meter->buf_areas);
+ meter->buf = NULL;
+ meter->buf_areas = NULL;
+ return snd_pcm_hw_free(meter->gen.slave);
+}
+
+static void snd_pcm_meter_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_meter_t *meter = pcm->private_data;
+ snd_output_printf(out, "Meter PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(meter->gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_meter_ops = {
+ .close = snd_pcm_meter_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_meter_hw_refine,
+ .hw_params = snd_pcm_meter_hw_params,
+ .hw_free = snd_pcm_meter_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_meter_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_meter_fast_ops = {
+ .status = snd_pcm_generic_status,
+ .state = snd_pcm_generic_state,
+ .hwsync = snd_pcm_generic_hwsync,
+ .delay = snd_pcm_generic_delay,
+ .prepare = snd_pcm_meter_prepare,
+ .reset = snd_pcm_meter_reset,
+ .start = snd_pcm_meter_start,
+ .drop = snd_pcm_generic_drop,
+ .drain = snd_pcm_generic_drain,
+ .pause = snd_pcm_generic_pause,
+ .rewindable = snd_pcm_generic_rewindable,
+ .rewind = snd_pcm_meter_rewind,
+ .forwardable = snd_pcm_generic_forwardable,
+ .forward = snd_pcm_meter_forward,
+ .resume = snd_pcm_generic_resume,
+ .writei = snd_pcm_mmap_writei,
+ .writen = snd_pcm_mmap_writen,
+ .readi = snd_pcm_mmap_readi,
+ .readn = snd_pcm_mmap_readn,
+ .avail_update = snd_pcm_meter_avail_update,
+ .mmap_commit = snd_pcm_meter_mmap_commit,
+ .htimestamp = snd_pcm_generic_htimestamp,
+ .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
+ .poll_descriptors = snd_pcm_generic_poll_descriptors,
+ .poll_revents = snd_pcm_generic_poll_revents,
+ .may_wait_for_avail_min = snd_pcm_generic_may_wait_for_avail_min,
+};
+
+/**
+ * \brief Creates a new Meter PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param frequency Update frequency
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_meter_open(snd_pcm_t **pcmp, const char *name, unsigned int frequency,
+ snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_meter_t *meter;
+ int err;
+ assert(pcmp);
+ meter = calloc(1, sizeof(snd_pcm_meter_t));
+ if (!meter)
+ return -ENOMEM;
+ meter->gen.slave = slave;
+ meter->gen.close_slave = close_slave;
+ meter->delay.tv_sec = 0;
+ meter->delay.tv_nsec = 1000000000 / frequency;
+ INIT_LIST_HEAD(&meter->scopes);
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_METER, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(meter);
+ return err;
+ }
+ pcm->mmap_rw = 1;
+ pcm->mmap_shadow = 1;
+ pcm->ops = &snd_pcm_meter_ops;
+ pcm->fast_ops = &snd_pcm_meter_fast_ops;
+ pcm->private_data = meter;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_link_hw_ptr(pcm, slave);
+ snd_pcm_link_appl_ptr(pcm, slave);
+ *pcmp = pcm;
+
+ pthread_mutex_init(&meter->update_mutex, NULL);
+ pthread_mutex_init(&meter->running_mutex, NULL);
+ pthread_cond_init(&meter->running_cond, NULL);
+ return 0;
+}
+
+
+static int snd_pcm_meter_add_scope_conf(snd_pcm_t *pcm, const char *name,
+ snd_config_t *root, snd_config_t *conf)
+{
+ char buf[256];
+ snd_config_iterator_t i, next;
+ const char *id;
+ const char *lib = NULL, *open_name = NULL, *str = NULL;
+ snd_config_t *c, *type_conf = NULL;
+ int (*open_func)(snd_pcm_t *, const char *,
+ snd_config_t *, snd_config_t *) = NULL;
+ snd_pcm_meter_t *meter = pcm->private_data;
+ void *h = NULL;
+ int err;
+
+ if (snd_config_get_type(conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for scope %s", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ err = snd_config_search(conf, "type", &c);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ goto _err;
+ }
+ err = snd_config_get_id(c, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ goto _err;
+ }
+ err = snd_config_get_string(c, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ err = snd_config_search_definition(root, "pcm_scope_type", str, &type_conf);
+ if (err >= 0) {
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ open_name = buf;
+ snprintf(buf, sizeof(buf), "_snd_pcm_scope_%s_open", str);
+ }
+ h = snd_dlopen(lib, RTLD_NOW);
+ open_func = h ? dlsym(h, open_name) : NULL;
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ } else if (!open_func) {
+ SNDERR("symbol %s is not defined inside %s", open_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ if (! err) {
+ err = open_func(pcm, name, root, conf);
+ if (err < 0)
+ snd_dlclose(h);
+ else
+ meter->dl_handle = h;
+ }
+ return err;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_meter Plugin: Meter
+
+Show meter (visual waveform representation).
+
+\code
+pcm_scope_type.NAME {
+ [lib STR] # Library file (default libasound.so)
+ [open STR] # Open function (default _snd_pcm_scope_NAME_open)
+}
+
+pcm_scope.name {
+ type STR # Scope type
+ ...
+}
+
+pcm.name {
+ type meter # Meter PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ }
+ [frequency INT] # Updates per second
+ scopes {
+ ID STR # Scope name (see pcm_scope)
+ # or
+ ID { } # Scope definition (see pcm_scope)
+ }
+}
+\endcode
+
+\subsection pcm_plugins_meter_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_meter_open()
+ <LI>_snd_pcm_meter_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Meter PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with Meter PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_meter_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ long frequency = -1;
+ snd_config_t *scopes = NULL;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "frequency") == 0) {
+ err = snd_config_get_integer(n, &frequency);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "scopes") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ scopes = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_meter_open(pcmp, name, frequency > 0 ? (unsigned int) frequency : FREQUENCY, spcm, 1);
+ if (err < 0) {
+ snd_pcm_close(spcm);
+ return err;
+ }
+ if (!scopes)
+ return 0;
+ snd_config_for_each(i, next, scopes) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id, *str;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_config_get_string(n, &str) >= 0) {
+ err = snd_config_search_definition(root, "pcm_scope", str, &n);
+ if (err < 0) {
+ SNDERR("unknown pcm_scope %s", str);
+ } else {
+ err = snd_pcm_meter_add_scope_conf(*pcmp, id, root, n);
+ snd_config_delete(n);
+ }
+ } else
+ err = snd_pcm_meter_add_scope_conf(*pcmp, id, root, n);
+ if (err < 0) {
+ snd_pcm_close(*pcmp);
+ return err;
+ }
+ }
+ return 0;
+}
+SND_DLSYM_BUILD_VERSION(_snd_pcm_meter_open, SND_PCM_DLSYM_VERSION);
+
+#endif
+
+/**
+ * \brief Add a scope to a #SND_PCM_TYPE_METER PCM
+ * \param pcm PCM handle
+ * \param scope Scope handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_pcm_meter_add_scope(snd_pcm_t *pcm, snd_pcm_scope_t *scope)
+{
+ snd_pcm_meter_t *meter;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ list_add_tail(&scope->list, &meter->scopes);
+ return 0;
+}
+
+/**
+ * \brief Search an installed scope inside a #SND_PCM_TYPE_METER PCM
+ * \param pcm PCM handle
+ * \param name scope name
+ * \return pointer to found scope or NULL if none is found
+ */
+snd_pcm_scope_t *snd_pcm_meter_search_scope(snd_pcm_t *pcm, const char *name)
+{
+ snd_pcm_meter_t *meter;
+ struct list_head *pos;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ list_for_each(pos, &meter->scopes) {
+ snd_pcm_scope_t *scope;
+ scope = list_entry(pos, snd_pcm_scope_t, list);
+ if (scope->name && strcmp(scope->name, name) == 0)
+ return scope;
+ }
+ return NULL;
+}
+
+/**
+ * \brief Get meter buffer size from a #SND_PCM_TYPE_METER PCM
+ * \param pcm PCM handle
+ * \return meter buffer size in frames
+ */
+snd_pcm_uframes_t snd_pcm_meter_get_bufsize(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ assert(meter->gen.slave->setup);
+ return meter->buf_size;
+}
+
+/**
+ * \brief Get meter channels from a #SND_PCM_TYPE_METER PCM
+ * \param pcm PCM handle
+ * \return meter channels count
+ */
+unsigned int snd_pcm_meter_get_channels(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ assert(meter->gen.slave->setup);
+ return meter->gen.slave->channels;
+}
+
+/**
+ * \brief Get meter rate from a #SND_PCM_TYPE_METER PCM
+ * \param pcm PCM handle
+ * \return approximate rate
+ */
+unsigned int snd_pcm_meter_get_rate(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ assert(meter->gen.slave->setup);
+ return meter->gen.slave->rate;
+}
+
+/**
+ * \brief Get meter "now" frame pointer from a #SND_PCM_TYPE_METER PCM
+ * \param pcm PCM handle
+ * \return "now" frame pointer in frames (0 ... boundary - 1) see #snd_pcm_meter_get_boundary
+ */
+snd_pcm_uframes_t snd_pcm_meter_get_now(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ assert(meter->gen.slave->setup);
+ return meter->now;
+}
+
+/**
+ * \brief Get boundary for frame pointers from a #SND_PCM_TYPE_METER PCM
+ * \param pcm PCM handle
+ * \return boundary in frames
+ */
+snd_pcm_uframes_t snd_pcm_meter_get_boundary(snd_pcm_t *pcm)
+{
+ snd_pcm_meter_t *meter;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ assert(meter->gen.slave->setup);
+ return meter->gen.slave->boundary;
+}
+
+/**
+ * \brief Set name of a #SND_PCM_TYPE_METER PCM scope
+ * \param scope PCM meter scope
+ * \param val scope name
+ */
+void snd_pcm_scope_set_name(snd_pcm_scope_t *scope, const char *val)
+{
+ scope->name = strdup(val);
+}
+
+/**
+ * \brief Get name of a #SND_PCM_TYPE_METER PCM scope
+ * \param scope PCM meter scope
+ * \return scope name
+ */
+const char *snd_pcm_scope_get_name(snd_pcm_scope_t *scope)
+{
+ return scope->name;
+}
+
+/**
+ * \brief Set callbacks for a #SND_PCM_TYPE_METER PCM scope
+ * \param scope PCM meter scope
+ * \param val callbacks
+ */
+void snd_pcm_scope_set_ops(snd_pcm_scope_t *scope, const snd_pcm_scope_ops_t *val)
+{
+ scope->ops = val;
+}
+
+/**
+ * \brief Get callbacks private value for a #SND_PCM_TYPE_METER PCM scope
+ * \param scope PCM meter scope
+ * \return Private data value
+ */
+void *snd_pcm_scope_get_callback_private(snd_pcm_scope_t *scope)
+{
+ return scope->private_data;
+}
+
+/**
+ * \brief Get callbacks private value for a #SND_PCM_TYPE_METER PCM scope
+ * \param scope PCM meter scope
+ * \param val Private data value
+ */
+void snd_pcm_scope_set_callback_private(snd_pcm_scope_t *scope, void *val)
+{
+ scope->private_data = val;
+}
+
+#ifndef DOC_HIDDEN
+typedef struct _snd_pcm_scope_s16 {
+ snd_pcm_t *pcm;
+ snd_pcm_adpcm_state_t *adpcm_states;
+ unsigned int index;
+ snd_pcm_uframes_t old;
+ int16_t *buf;
+ snd_pcm_channel_area_t *buf_areas;
+} snd_pcm_scope_s16_t;
+
+static int s16_enable(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_s16_t *s16 = scope->private_data;
+ snd_pcm_meter_t *meter = s16->pcm->private_data;
+ snd_pcm_t *spcm = meter->gen.slave;
+ snd_pcm_channel_area_t *a;
+ unsigned int c;
+ int idx;
+ if (spcm->format == SND_PCM_FORMAT_S16 &&
+ spcm->access == SND_PCM_ACCESS_MMAP_NONINTERLEAVED) {
+ s16->buf = (int16_t *) meter->buf;
+ return -EINVAL;
+ }
+ switch (spcm->format) {
+ case SND_PCM_FORMAT_A_LAW:
+ case SND_PCM_FORMAT_MU_LAW:
+ case SND_PCM_FORMAT_IMA_ADPCM:
+ idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, SND_PCM_FORMAT_S16);
+ break;
+ case SND_PCM_FORMAT_S8:
+ case SND_PCM_FORMAT_S16_LE:
+ case SND_PCM_FORMAT_S16_BE:
+ case SND_PCM_FORMAT_S24_LE:
+ case SND_PCM_FORMAT_S24_BE:
+ case SND_PCM_FORMAT_S32_LE:
+ case SND_PCM_FORMAT_S32_BE:
+ case SND_PCM_FORMAT_U8:
+ case SND_PCM_FORMAT_U16_LE:
+ case SND_PCM_FORMAT_U16_BE:
+ case SND_PCM_FORMAT_U24_LE:
+ case SND_PCM_FORMAT_U24_BE:
+ case SND_PCM_FORMAT_U32_LE:
+ case SND_PCM_FORMAT_U32_BE:
+ idx = snd_pcm_linear_convert_index(spcm->format, SND_PCM_FORMAT_S16);
+ break;
+ default:
+ return -EINVAL;
+ }
+ s16->index = idx;
+ if (spcm->format == SND_PCM_FORMAT_IMA_ADPCM) {
+ s16->adpcm_states = calloc(spcm->channels, sizeof(*s16->adpcm_states));
+ if (!s16->adpcm_states)
+ return -ENOMEM;
+ }
+ s16->buf = malloc(meter->buf_size * 2 * spcm->channels);
+ if (!s16->buf) {
+ free(s16->adpcm_states);
+ return -ENOMEM;
+ }
+ a = calloc(spcm->channels, sizeof(*a));
+ if (!a) {
+ free(s16->buf);
+ free(s16->adpcm_states);
+ return -ENOMEM;
+ }
+ s16->buf_areas = a;
+ for (c = 0; c < spcm->channels; c++, a++) {
+ a->addr = s16->buf + c * meter->buf_size;
+ a->first = 0;
+ a->step = 16;
+ }
+ return 0;
+}
+
+static void s16_disable(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_s16_t *s16 = scope->private_data;
+ free(s16->adpcm_states);
+ s16->adpcm_states = NULL;
+ free(s16->buf);
+ s16->buf = NULL;
+ free(s16->buf_areas);
+ s16->buf_areas = 0;
+}
+
+static void s16_close(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_s16_t *s16 = scope->private_data;
+ free(s16);
+}
+
+static void s16_start(snd_pcm_scope_t *scope ATTRIBUTE_UNUSED)
+{
+}
+
+static void s16_stop(snd_pcm_scope_t *scope ATTRIBUTE_UNUSED)
+{
+}
+
+static void s16_update(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_s16_t *s16 = scope->private_data;
+ snd_pcm_meter_t *meter = s16->pcm->private_data;
+ snd_pcm_t *spcm = meter->gen.slave;
+ snd_pcm_sframes_t size;
+ snd_pcm_uframes_t offset;
+ size = meter->now - s16->old;
+ if (size < 0)
+ size += spcm->boundary;
+ offset = s16->old % meter->buf_size;
+ while (size > 0) {
+ snd_pcm_uframes_t frames = size;
+ snd_pcm_uframes_t cont = meter->buf_size - offset;
+ if (frames > cont)
+ frames = cont;
+ switch (spcm->format) {
+ case SND_PCM_FORMAT_A_LAW:
+ snd_pcm_alaw_decode(s16->buf_areas, offset,
+ meter->buf_areas, offset,
+ spcm->channels, frames,
+ s16->index);
+ break;
+ case SND_PCM_FORMAT_MU_LAW:
+ snd_pcm_mulaw_decode(s16->buf_areas, offset,
+ meter->buf_areas, offset,
+ spcm->channels, frames,
+ s16->index);
+ break;
+ case SND_PCM_FORMAT_IMA_ADPCM:
+ snd_pcm_adpcm_decode(s16->buf_areas, offset,
+ meter->buf_areas, offset,
+ spcm->channels, frames,
+ s16->index,
+ s16->adpcm_states);
+ break;
+ default:
+ snd_pcm_linear_convert(s16->buf_areas, offset,
+ meter->buf_areas, offset,
+ spcm->channels, frames,
+ s16->index);
+ break;
+ }
+ if (frames == cont)
+ offset = 0;
+ else
+ offset += frames;
+ size -= frames;
+ }
+ s16->old = meter->now;
+}
+
+static void s16_reset(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_s16_t *s16 = scope->private_data;
+ snd_pcm_meter_t *meter = s16->pcm->private_data;
+ s16->old = meter->now;
+}
+
+static const snd_pcm_scope_ops_t s16_ops = {
+ .enable = s16_enable,
+ .disable = s16_disable,
+ .close = s16_close,
+ .start = s16_start,
+ .stop = s16_stop,
+ .update = s16_update,
+ .reset = s16_reset,
+};
+
+#endif
+
+/**
+ * \brief Add a s16 pseudo scope to a #SND_PCM_TYPE_METER PCM
+ * \param pcm The pcm handle
+ * \param name Scope name
+ * \param scopep Pointer to newly created and added scope
+ * \return 0 on success otherwise a negative error code
+ *
+ * s16 pseudo scope convert #SND_PCM_TYPE_METER PCM frames in CPU endian
+ * 16 bit frames for use with other scopes. Don't forget to insert it before
+ * and to not insert it more time (see #snd_pcm_meter_search_scope)
+ */
+int snd_pcm_scope_s16_open(snd_pcm_t *pcm, const char *name,
+ snd_pcm_scope_t **scopep)
+{
+ snd_pcm_meter_t *meter;
+ snd_pcm_scope_t *scope;
+ snd_pcm_scope_s16_t *s16;
+ assert(pcm->type == SND_PCM_TYPE_METER);
+ meter = pcm->private_data;
+ scope = calloc(1, sizeof(*scope));
+ if (!scope)
+ return -ENOMEM;
+ s16 = calloc(1, sizeof(*s16));
+ if (!s16) {
+ free(scope);
+ return -ENOMEM;
+ }
+ if (name)
+ scope->name = strdup(name);
+ s16->pcm = pcm;
+ scope->ops = &s16_ops;
+ scope->private_data = s16;
+ list_add_tail(&scope->list, &meter->scopes);
+ *scopep = scope;
+ return 0;
+}
+
+/**
+ * \brief Get s16 pseudo scope frames buffer for a channel
+ * \param scope s16 pseudo scope handle
+ * \param channel Channel
+ * \return Pointer to channel buffer
+ */
+int16_t *snd_pcm_scope_s16_get_channel_buffer(snd_pcm_scope_t *scope,
+ unsigned int channel)
+{
+ snd_pcm_scope_s16_t *s16;
+ snd_pcm_meter_t *meter;
+ assert(scope->ops == &s16_ops);
+ s16 = scope->private_data;
+ meter = s16->pcm->private_data;
+ assert(meter->gen.slave->setup);
+ assert(s16->buf_areas);
+ assert(channel < meter->gen.slave->channels);
+ return s16->buf_areas[channel].addr;
+}
+
+/**
+ * \brief allocate an invalid #snd_pcm_scope_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_pcm_scope_malloc(snd_pcm_scope_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_pcm_scope_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
diff --git a/src/pcm/pcm_misc.c b/src/pcm/pcm_misc.c
new file mode 100644
index 0000000..5870f82
--- /dev/null
+++ b/src/pcm/pcm_misc.c
@@ -0,0 +1,863 @@
+/*
+ * PCM Interface - misc routines
+ * Copyright (c) 1998 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <byteswap.h>
+#include "pcm_local.h"
+
+
+/**
+ * \brief Return sign info for a PCM sample linear format
+ * \param format Format
+ * \return 0 unsigned, 1 signed, a negative error code if format is not linear
+ */
+int snd_pcm_format_signed(snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S8:
+ case SNDRV_PCM_FORMAT_S16_LE:
+ case SNDRV_PCM_FORMAT_S16_BE:
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S24_BE:
+ case SNDRV_PCM_FORMAT_S32_LE:
+ case SNDRV_PCM_FORMAT_S32_BE:
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ case SNDRV_PCM_FORMAT_S24_3BE:
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S20_3BE:
+ case SNDRV_PCM_FORMAT_S18_3LE:
+ case SNDRV_PCM_FORMAT_S18_3BE:
+ return 1;
+ case SNDRV_PCM_FORMAT_U8:
+ case SNDRV_PCM_FORMAT_U16_LE:
+ case SNDRV_PCM_FORMAT_U16_BE:
+ case SNDRV_PCM_FORMAT_U24_LE:
+ case SNDRV_PCM_FORMAT_U24_BE:
+ case SNDRV_PCM_FORMAT_U32_LE:
+ case SNDRV_PCM_FORMAT_U32_BE:
+ case SNDRV_PCM_FORMAT_U24_3LE:
+ case SNDRV_PCM_FORMAT_U24_3BE:
+ case SNDRV_PCM_FORMAT_U20_3LE:
+ case SNDRV_PCM_FORMAT_U20_3BE:
+ case SNDRV_PCM_FORMAT_U18_3LE:
+ case SNDRV_PCM_FORMAT_U18_3BE:
+ case SNDRV_PCM_FORMAT_DSD_U8:
+ case SNDRV_PCM_FORMAT_DSD_U16_LE:
+ case SNDRV_PCM_FORMAT_DSD_U32_LE:
+ case SNDRV_PCM_FORMAT_DSD_U16_BE:
+ case SNDRV_PCM_FORMAT_DSD_U32_BE:
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * \brief Return sign info for a PCM sample linear format
+ * \param format Format
+ * \return 0 signed, 1 unsigned, a negative error code if format is not linear
+ */
+int snd_pcm_format_unsigned(snd_pcm_format_t format)
+{
+ int val;
+
+ val = snd_pcm_format_signed(format);
+ if (val < 0)
+ return val;
+ return !val;
+}
+
+/**
+ * \brief Return linear info for a PCM sample format
+ * \param format Format
+ * \return 0 non linear, 1 linear
+ */
+int snd_pcm_format_linear(snd_pcm_format_t format)
+{
+ return snd_pcm_format_signed(format) >= 0;
+}
+
+/**
+ * \brief Return float info for a PCM sample format
+ * \param format Format
+ * \return 0 non float, 1 float
+ */
+int snd_pcm_format_float(snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ case SNDRV_PCM_FORMAT_FLOAT_BE:
+ case SNDRV_PCM_FORMAT_FLOAT64_LE:
+ case SNDRV_PCM_FORMAT_FLOAT64_BE:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+/**
+ * \brief Return endian info for a PCM sample format
+ * \param format Format
+ * \return 0 big endian, 1 little endian, a negative error code if endian independent
+ */
+int snd_pcm_format_little_endian(snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ case SNDRV_PCM_FORMAT_U16_LE:
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_U24_LE:
+ case SNDRV_PCM_FORMAT_S32_LE:
+ case SNDRV_PCM_FORMAT_U32_LE:
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ case SNDRV_PCM_FORMAT_FLOAT64_LE:
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S18_3LE:
+ case SNDRV_PCM_FORMAT_U24_3LE:
+ case SNDRV_PCM_FORMAT_U20_3LE:
+ case SNDRV_PCM_FORMAT_U18_3LE:
+ case SNDRV_PCM_FORMAT_DSD_U16_LE:
+ case SNDRV_PCM_FORMAT_DSD_U32_LE:
+ return 1;
+ case SNDRV_PCM_FORMAT_S16_BE:
+ case SNDRV_PCM_FORMAT_U16_BE:
+ case SNDRV_PCM_FORMAT_S24_BE:
+ case SNDRV_PCM_FORMAT_U24_BE:
+ case SNDRV_PCM_FORMAT_S32_BE:
+ case SNDRV_PCM_FORMAT_U32_BE:
+ case SNDRV_PCM_FORMAT_FLOAT_BE:
+ case SNDRV_PCM_FORMAT_FLOAT64_BE:
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
+ case SNDRV_PCM_FORMAT_S24_3BE:
+ case SNDRV_PCM_FORMAT_S20_3BE:
+ case SNDRV_PCM_FORMAT_S18_3BE:
+ case SNDRV_PCM_FORMAT_U24_3BE:
+ case SNDRV_PCM_FORMAT_U20_3BE:
+ case SNDRV_PCM_FORMAT_U18_3BE:
+ case SNDRV_PCM_FORMAT_DSD_U16_BE:
+ case SNDRV_PCM_FORMAT_DSD_U32_BE:
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * \brief Return endian info for a PCM sample format
+ * \param format Format
+ * \return 0 little endian, 1 big endian, a negative error code if endian independent
+ */
+int snd_pcm_format_big_endian(snd_pcm_format_t format)
+{
+ int val;
+
+ val = snd_pcm_format_little_endian(format);
+ if (val < 0)
+ return val;
+ return !val;
+}
+
+/**
+ * \brief Return endian info for a PCM sample format
+ * \param format Format
+ * \return 0 swapped, 1 CPU endian, a negative error code if endian independent
+ */
+int snd_pcm_format_cpu_endian(snd_pcm_format_t format)
+{
+#ifdef SNDRV_LITTLE_ENDIAN
+ return snd_pcm_format_little_endian(format);
+#else
+ return snd_pcm_format_big_endian(format);
+#endif
+}
+
+/**
+ * \brief Return nominal bits per a PCM sample
+ * \param format Sample format
+ * \return bits per sample, a negative error code if not applicable
+ */
+int snd_pcm_format_width(snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S8:
+ case SNDRV_PCM_FORMAT_U8:
+ case SNDRV_PCM_FORMAT_DSD_U8:
+ return 8;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ case SNDRV_PCM_FORMAT_S16_BE:
+ case SNDRV_PCM_FORMAT_U16_LE:
+ case SNDRV_PCM_FORMAT_U16_BE:
+ case SNDRV_PCM_FORMAT_DSD_U16_LE:
+ case SNDRV_PCM_FORMAT_DSD_U16_BE:
+ return 16;
+ case SNDRV_PCM_FORMAT_S18_3LE:
+ case SNDRV_PCM_FORMAT_S18_3BE:
+ case SNDRV_PCM_FORMAT_U18_3LE:
+ case SNDRV_PCM_FORMAT_U18_3BE:
+ return 18;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S20_3BE:
+ case SNDRV_PCM_FORMAT_U20_3LE:
+ case SNDRV_PCM_FORMAT_U20_3BE:
+ return 20;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S24_BE:
+ case SNDRV_PCM_FORMAT_U24_LE:
+ case SNDRV_PCM_FORMAT_U24_BE:
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ case SNDRV_PCM_FORMAT_S24_3BE:
+ case SNDRV_PCM_FORMAT_U24_3LE:
+ case SNDRV_PCM_FORMAT_U24_3BE:
+ return 24;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ case SNDRV_PCM_FORMAT_S32_BE:
+ case SNDRV_PCM_FORMAT_U32_LE:
+ case SNDRV_PCM_FORMAT_U32_BE:
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ case SNDRV_PCM_FORMAT_FLOAT_BE:
+ case SNDRV_PCM_FORMAT_DSD_U32_LE:
+ case SNDRV_PCM_FORMAT_DSD_U32_BE:
+ return 32;
+ case SNDRV_PCM_FORMAT_FLOAT64_LE:
+ case SNDRV_PCM_FORMAT_FLOAT64_BE:
+ return 64;
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
+ return 32;
+ case SNDRV_PCM_FORMAT_MU_LAW:
+ case SNDRV_PCM_FORMAT_A_LAW:
+ return 8;
+ case SNDRV_PCM_FORMAT_IMA_ADPCM:
+ return 4;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * \brief Return bits needed to store a PCM sample
+ * \param format Sample format
+ * \return bits per sample, a negative error code if not applicable
+ */
+int snd_pcm_format_physical_width(snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S8:
+ case SNDRV_PCM_FORMAT_U8:
+ case SNDRV_PCM_FORMAT_DSD_U8:
+ return 8;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ case SNDRV_PCM_FORMAT_S16_BE:
+ case SNDRV_PCM_FORMAT_U16_LE:
+ case SNDRV_PCM_FORMAT_U16_BE:
+ case SNDRV_PCM_FORMAT_DSD_U16_LE:
+ case SNDRV_PCM_FORMAT_DSD_U16_BE:
+ return 16;
+ case SNDRV_PCM_FORMAT_S18_3LE:
+ case SNDRV_PCM_FORMAT_S18_3BE:
+ case SNDRV_PCM_FORMAT_U18_3LE:
+ case SNDRV_PCM_FORMAT_U18_3BE:
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S20_3BE:
+ case SNDRV_PCM_FORMAT_U20_3LE:
+ case SNDRV_PCM_FORMAT_U20_3BE:
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ case SNDRV_PCM_FORMAT_S24_3BE:
+ case SNDRV_PCM_FORMAT_U24_3LE:
+ case SNDRV_PCM_FORMAT_U24_3BE:
+ return 24;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S24_BE:
+ case SNDRV_PCM_FORMAT_U24_LE:
+ case SNDRV_PCM_FORMAT_U24_BE:
+ case SNDRV_PCM_FORMAT_S32_LE:
+ case SNDRV_PCM_FORMAT_S32_BE:
+ case SNDRV_PCM_FORMAT_U32_LE:
+ case SNDRV_PCM_FORMAT_U32_BE:
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ case SNDRV_PCM_FORMAT_FLOAT_BE:
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
+ case SNDRV_PCM_FORMAT_DSD_U32_LE:
+ case SNDRV_PCM_FORMAT_DSD_U32_BE:
+ return 32;
+ case SNDRV_PCM_FORMAT_FLOAT64_LE:
+ case SNDRV_PCM_FORMAT_FLOAT64_BE:
+ return 64;
+ case SNDRV_PCM_FORMAT_MU_LAW:
+ case SNDRV_PCM_FORMAT_A_LAW:
+ return 8;
+ case SNDRV_PCM_FORMAT_IMA_ADPCM:
+ return 4;
+ default:
+ return -EINVAL;
+ }
+}
+
+/**
+ * \brief Return bytes needed to store a quantity of PCM sample
+ * \param format Sample format
+ * \param samples Samples count
+ * \return bytes needed, a negative error code if not integer or unknown
+ */
+ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S8:
+ case SNDRV_PCM_FORMAT_U8:
+ case SNDRV_PCM_FORMAT_DSD_U8:
+ return samples;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ case SNDRV_PCM_FORMAT_S16_BE:
+ case SNDRV_PCM_FORMAT_U16_LE:
+ case SNDRV_PCM_FORMAT_U16_BE:
+ case SNDRV_PCM_FORMAT_DSD_U16_LE:
+ case SNDRV_PCM_FORMAT_DSD_U16_BE:
+ return samples * 2;
+ case SNDRV_PCM_FORMAT_S18_3LE:
+ case SNDRV_PCM_FORMAT_S18_3BE:
+ case SNDRV_PCM_FORMAT_U18_3LE:
+ case SNDRV_PCM_FORMAT_U18_3BE:
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S20_3BE:
+ case SNDRV_PCM_FORMAT_U20_3LE:
+ case SNDRV_PCM_FORMAT_U20_3BE:
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ case SNDRV_PCM_FORMAT_S24_3BE:
+ case SNDRV_PCM_FORMAT_U24_3LE:
+ case SNDRV_PCM_FORMAT_U24_3BE:
+ return samples * 3;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S24_BE:
+ case SNDRV_PCM_FORMAT_U24_LE:
+ case SNDRV_PCM_FORMAT_U24_BE:
+ case SNDRV_PCM_FORMAT_S32_LE:
+ case SNDRV_PCM_FORMAT_S32_BE:
+ case SNDRV_PCM_FORMAT_U32_LE:
+ case SNDRV_PCM_FORMAT_U32_BE:
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ case SNDRV_PCM_FORMAT_FLOAT_BE:
+ case SNDRV_PCM_FORMAT_DSD_U32_LE:
+ case SNDRV_PCM_FORMAT_DSD_U32_BE:
+ return samples * 4;
+ case SNDRV_PCM_FORMAT_FLOAT64_LE:
+ case SNDRV_PCM_FORMAT_FLOAT64_BE:
+ return samples * 8;
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
+ return samples * 4;
+ case SNDRV_PCM_FORMAT_MU_LAW:
+ case SNDRV_PCM_FORMAT_A_LAW:
+ return samples;
+ case SNDRV_PCM_FORMAT_IMA_ADPCM:
+ if (samples & 1)
+ return -EINVAL;
+ return samples / 2;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+}
+
+/**
+ * \brief Return 64 bit expressing silence for a PCM sample format
+ * \param format Sample format
+ * \return silence 64 bit word
+ */
+u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format)
+{
+ switch (format) {
+ case SNDRV_PCM_FORMAT_S8:
+ case SNDRV_PCM_FORMAT_S16_LE:
+ case SNDRV_PCM_FORMAT_S16_BE:
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S24_BE:
+ case SNDRV_PCM_FORMAT_S32_LE:
+ case SNDRV_PCM_FORMAT_S32_BE:
+ case SNDRV_PCM_FORMAT_S24_3LE:
+ case SNDRV_PCM_FORMAT_S24_3BE:
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S20_3BE:
+ case SNDRV_PCM_FORMAT_S18_3LE:
+ case SNDRV_PCM_FORMAT_S18_3BE:
+ return 0;
+ case SNDRV_PCM_FORMAT_U8:
+ return 0x8080808080808080ULL;
+ case SNDRV_PCM_FORMAT_DSD_U8:
+ case SNDRV_PCM_FORMAT_DSD_U16_LE:
+ case SNDRV_PCM_FORMAT_DSD_U32_LE:
+ case SNDRV_PCM_FORMAT_DSD_U16_BE:
+ case SNDRV_PCM_FORMAT_DSD_U32_BE:
+ return 0x6969696969696969ULL;
+#ifdef SNDRV_LITTLE_ENDIAN
+ case SNDRV_PCM_FORMAT_U16_LE:
+ return 0x8000800080008000ULL;
+ case SNDRV_PCM_FORMAT_U24_LE:
+ return 0x0080000000800000ULL;
+ case SNDRV_PCM_FORMAT_U32_LE:
+ return 0x8000000080000000ULL;
+ case SNDRV_PCM_FORMAT_U16_BE:
+ return 0x0080008000800080ULL;
+ case SNDRV_PCM_FORMAT_U24_BE:
+ return 0x0000800000008000ULL;
+ case SNDRV_PCM_FORMAT_U32_BE:
+ return 0x0000008000000080ULL;
+ case SNDRV_PCM_FORMAT_U24_3LE:
+ return 0x0000800000800000ULL;
+ case SNDRV_PCM_FORMAT_U24_3BE:
+ return 0x0080000080000080ULL;
+ case SNDRV_PCM_FORMAT_U20_3LE:
+ return 0x0000080000080000ULL;
+ case SNDRV_PCM_FORMAT_U20_3BE:
+ return 0x0008000008000008ULL;
+ case SNDRV_PCM_FORMAT_U18_3LE:
+ return 0x0000020000020000ULL;
+ case SNDRV_PCM_FORMAT_U18_3BE:
+ return 0x0002000002000002ULL;
+#else
+ case SNDRV_PCM_FORMAT_U16_LE:
+ return 0x0080008000800080ULL;
+ case SNDRV_PCM_FORMAT_U24_LE:
+ return 0x0000800000008000ULL;
+ case SNDRV_PCM_FORMAT_U32_LE:
+ return 0x0000008000000080ULL;
+ case SNDRV_PCM_FORMAT_U16_BE:
+ return 0x8000800080008000ULL;
+ case SNDRV_PCM_FORMAT_U24_BE:
+ return 0x0080000000800000ULL;
+ case SNDRV_PCM_FORMAT_U32_BE:
+ return 0x8000000080000000ULL;
+ case SNDRV_PCM_FORMAT_U24_3LE:
+ return 0x0080000080000080ULL;
+ case SNDRV_PCM_FORMAT_U24_3BE:
+ return 0x0000800000800000ULL;
+ case SNDRV_PCM_FORMAT_U20_3LE:
+ return 0x0008000008000008ULL;
+ case SNDRV_PCM_FORMAT_U20_3BE:
+ return 0x0000080000080000ULL;
+ case SNDRV_PCM_FORMAT_U18_3LE:
+ return 0x0002000002000002ULL;
+ case SNDRV_PCM_FORMAT_U18_3BE:
+ return 0x0000020000020000ULL;
+#endif
+ case SNDRV_PCM_FORMAT_FLOAT_LE:
+ {
+ union {
+ float f[2];
+ u_int64_t i;
+ } u;
+ u.f[0] = u.f[1] = 0.0;
+#ifdef SNDRV_LITTLE_ENDIAN
+ return u.i;
+#else
+ return bswap_64(u.i);
+#endif
+ }
+ case SNDRV_PCM_FORMAT_FLOAT64_LE:
+ {
+ union {
+ double f;
+ u_int64_t i;
+ } u;
+ u.f = 0.0;
+#ifdef SNDRV_LITTLE_ENDIAN
+ return u.i;
+#else
+ return bswap_64(u.i);
+#endif
+ }
+ case SNDRV_PCM_FORMAT_FLOAT_BE:
+ {
+ union {
+ float f[2];
+ u_int64_t i;
+ } u;
+ u.f[0] = u.f[1] = 0.0;
+#ifdef SNDRV_LITTLE_ENDIAN
+ return bswap_64(u.i);
+#else
+ return u.i;
+#endif
+ }
+ case SNDRV_PCM_FORMAT_FLOAT64_BE:
+ {
+ union {
+ double f;
+ u_int64_t i;
+ } u;
+ u.f = 0.0;
+#ifdef SNDRV_LITTLE_ENDIAN
+ return bswap_64(u.i);
+#else
+ return u.i;
+#endif
+ }
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE:
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE:
+ return 0;
+ case SNDRV_PCM_FORMAT_MU_LAW:
+ return 0x7f7f7f7f7f7f7f7fULL;
+ case SNDRV_PCM_FORMAT_A_LAW:
+ return 0x5555555555555555ULL;
+ case SNDRV_PCM_FORMAT_IMA_ADPCM: /* special case */
+ case SNDRV_PCM_FORMAT_MPEG:
+ case SNDRV_PCM_FORMAT_GSM:
+ case SNDRV_PCM_FORMAT_SPECIAL:
+ return 0;
+ default:
+ assert(0);
+ return 0;
+ }
+ return 0;
+}
+
+/**
+ * \brief Return 32 bit expressing silence for a PCM sample format
+ * \param format Sample format
+ * \return silence 32 bit word
+ */
+u_int32_t snd_pcm_format_silence_32(snd_pcm_format_t format)
+{
+ assert(snd_pcm_format_physical_width(format) <= 32);
+ return (u_int32_t)snd_pcm_format_silence_64(format);
+}
+
+/**
+ * \brief Return 16 bit expressing silence for a PCM sample format
+ * \param format Sample format
+ * \return silence 16 bit word
+ */
+u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format)
+{
+ assert(snd_pcm_format_physical_width(format) <= 16);
+ return (u_int16_t)snd_pcm_format_silence_64(format);
+}
+
+/**
+ * \brief Return 8 bit expressing silence for a PCM sample format
+ * \param format Sample format
+ * \return silence 8 bit word
+ */
+u_int8_t snd_pcm_format_silence(snd_pcm_format_t format)
+{
+ assert(snd_pcm_format_physical_width(format) <= 8);
+ return (u_int8_t)snd_pcm_format_silence_64(format);
+}
+
+/**
+ * \brief Silence a PCM samples buffer
+ * \param format Sample format
+ * \param data Buffer
+ * \param samples Samples count
+ * \return 0 if successful or a negative error code
+ */
+int snd_pcm_format_set_silence(snd_pcm_format_t format, void *data, unsigned int samples)
+{
+ if (samples == 0)
+ return 0;
+ switch (snd_pcm_format_physical_width(format)) {
+ case 4: {
+ u_int8_t silence = snd_pcm_format_silence_64(format);
+ unsigned int samples1;
+ if (samples % 2 != 0)
+ return -EINVAL;
+ samples1 = samples / 2;
+ memset(data, silence, samples1);
+ break;
+ }
+ case 8: {
+ u_int8_t silence = snd_pcm_format_silence_64(format);
+ memset(data, silence, samples);
+ break;
+ }
+ case 16: {
+ u_int16_t silence = snd_pcm_format_silence_64(format);
+ u_int16_t *pdata = (u_int16_t *)data;
+ if (! silence)
+ memset(data, 0, samples * 2);
+ else {
+ while (samples-- > 0)
+ *pdata++ = silence;
+ }
+ break;
+ }
+ case 24: {
+ u_int32_t silence = snd_pcm_format_silence_64(format);
+ u_int8_t *pdata = (u_int8_t *)data;
+ if (! silence)
+ memset(data, 0, samples * 3);
+ else {
+ while (samples-- > 0) {
+#ifdef SNDRV_LITTLE_ENDIAN
+ *pdata++ = silence >> 0;
+ *pdata++ = silence >> 8;
+ *pdata++ = silence >> 16;
+#else
+ *pdata++ = silence >> 16;
+ *pdata++ = silence >> 8;
+ *pdata++ = silence >> 0;
+#endif
+ }
+ }
+ break;
+ }
+ case 32: {
+ u_int32_t silence = snd_pcm_format_silence_64(format);
+ u_int32_t *pdata = (u_int32_t *)data;
+ if (! silence)
+ memset(data, 0, samples * 4);
+ else {
+ while (samples-- > 0)
+ *pdata++ = silence;
+ }
+ break;
+ }
+ case 64: {
+ u_int64_t silence = snd_pcm_format_silence_64(format);
+ u_int64_t *pdata = (u_int64_t *)data;
+ if (! silence)
+ memset(data, 0, samples * 8);
+ else {
+ while (samples-- > 0)
+ *pdata++ = silence;
+ }
+ break;
+ }
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static const int linear_formats[4][2][2] = {
+ { { SNDRV_PCM_FORMAT_S8, SNDRV_PCM_FORMAT_S8 },
+ { SNDRV_PCM_FORMAT_U8, SNDRV_PCM_FORMAT_U8 } },
+ { { SNDRV_PCM_FORMAT_S16_LE, SNDRV_PCM_FORMAT_S16_BE },
+ { SNDRV_PCM_FORMAT_U16_LE, SNDRV_PCM_FORMAT_U16_BE } },
+ { { SNDRV_PCM_FORMAT_S24_LE, SNDRV_PCM_FORMAT_S24_BE },
+ { SNDRV_PCM_FORMAT_U24_LE, SNDRV_PCM_FORMAT_U24_BE } },
+ { { SNDRV_PCM_FORMAT_S32_LE, SNDRV_PCM_FORMAT_S32_BE },
+ { SNDRV_PCM_FORMAT_U32_LE, SNDRV_PCM_FORMAT_U32_BE } }
+};
+
+static const int linear24_formats[3][2][2] = {
+ { { SNDRV_PCM_FORMAT_S24_3LE, SNDRV_PCM_FORMAT_S24_3BE },
+ { SNDRV_PCM_FORMAT_U24_3LE, SNDRV_PCM_FORMAT_U24_3BE } },
+ { { SNDRV_PCM_FORMAT_S20_3LE, SNDRV_PCM_FORMAT_S20_3BE },
+ { SNDRV_PCM_FORMAT_U20_3LE, SNDRV_PCM_FORMAT_U20_3BE } },
+ { { SNDRV_PCM_FORMAT_S18_3LE, SNDRV_PCM_FORMAT_S18_3BE },
+ { SNDRV_PCM_FORMAT_U18_3LE, SNDRV_PCM_FORMAT_U18_3BE } },
+};
+
+/**
+ * \brief Compose a PCM sample linear format
+ * \param width Nominal bits per sample
+ * \param pwidth Physical bit width of the format
+ * \param unsignd Sign: 0 signed, 1 unsigned
+ * \param big_endian Endian: 0 little endian, 1 big endian
+ * \return The matching format type, or #SND_PCM_FORMAT_UNKNOWN if no match
+ */
+snd_pcm_format_t snd_pcm_build_linear_format(int width, int pwidth, int unsignd, int big_endian)
+{
+ if (pwidth == 24) {
+ switch (width) {
+ case 24:
+ width = 0;
+ break;
+ case 20:
+ width = 1;
+ break;
+ case 18:
+ width = 2;
+ break;
+ default:
+ return SND_PCM_FORMAT_UNKNOWN;
+ }
+ return linear24_formats[width][!!unsignd][!!big_endian];
+ } else {
+ switch (width) {
+ case 8:
+ width = 0;
+ break;
+ case 16:
+ width = 1;
+ break;
+ case 24:
+ width = 2;
+ break;
+ case 32:
+ width = 3;
+ break;
+ default:
+ return SND_PCM_FORMAT_UNKNOWN;
+ }
+ return linear_formats[width][!!unsignd][!!big_endian];
+ }
+}
+
+/**
+ * \brief Parse control element id from the config
+ * \param conf the config tree to parse
+ * \param ctl_id the pointer to store the resultant control element id
+ * \param cardp the pointer to store the card index
+ * \param cchannelsp the pointer to store the number of channels (optional)
+ * \param hwctlp the pointer to store the h/w control flag (optional)
+ * \return 0 if successful, or a negative error code
+ *
+ * This function parses the given config tree to retrieve the control element id
+ * and the card index. It's used by softvol. External PCM plugins can use this
+ * function for creating or assigining their controls.
+ *
+ * cchannelsp and hwctlp arguments are optional. Set NULL if not necessary.
+ */
+int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp,
+ int *cchannelsp, int *hwctlp)
+{
+ snd_config_iterator_t i, next;
+ int iface = SND_CTL_ELEM_IFACE_MIXER;
+ const char *name = NULL;
+ long index = 0;
+ long device = -1;
+ long subdevice = -1;
+ int err;
+
+ assert(ctl_id && cardp);
+
+ *cardp = -1;
+ if (cchannelsp)
+ *cchannelsp = 2;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "card") == 0) {
+ const char *str;
+ long v;
+ if ((err = snd_config_get_integer(n, &v)) < 0) {
+ if ((err = snd_config_get_string(n, &str)) < 0) {
+ SNDERR("Invalid field %s", id);
+ goto _err;
+ }
+ *cardp = snd_card_get_index(str);
+ if (*cardp < 0) {
+ SNDERR("Cannot get index for %s", str);
+ err = *cardp;
+ goto _err;
+ }
+ } else
+ *cardp = v;
+ continue;
+ }
+ if (strcmp(id, "iface") == 0 || strcmp(id, "interface") == 0) {
+ const char *ptr;
+ if ((err = snd_config_get_string(n, &ptr)) < 0) {
+ SNDERR("field %s is not a string", id);
+ goto _err;
+ }
+ if ((err = snd_config_get_ctl_iface_ascii(ptr)) < 0) {
+ SNDERR("Invalid value for '%s'", id);
+ goto _err;
+ }
+ iface = err;
+ continue;
+ }
+ if (strcmp(id, "name") == 0) {
+ if ((err = snd_config_get_string(n, &name)) < 0) {
+ SNDERR("field %s is not a string", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "index") == 0) {
+ if ((err = snd_config_get_integer(n, &index)) < 0) {
+ SNDERR("field %s is not an integer", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "device") == 0) {
+ if ((err = snd_config_get_integer(n, &device)) < 0) {
+ SNDERR("field %s is not an integer", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "subdevice") == 0) {
+ if ((err = snd_config_get_integer(n, &subdevice)) < 0) {
+ SNDERR("field %s is not an integer", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (cchannelsp && strcmp(id, "count") == 0) {
+ long v;
+ if ((err = snd_config_get_integer(n, &v)) < 0) {
+ SNDERR("field %s is not an integer", id);
+ goto _err;
+ }
+ if (v < 1 || v > 2) {
+ SNDERR("Invalid count %ld", v);
+ goto _err;
+ }
+ *cchannelsp = v;
+ continue;
+ }
+ if (hwctlp && strcmp(id, "hwctl") == 0) {
+ if ((err = snd_config_get_bool(n)) < 0) {
+ SNDERR("The field %s must be a boolean type", id);
+ return err;
+ }
+ *hwctlp = err;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (name == NULL) {
+ SNDERR("Missing control name");
+ err = -EINVAL;
+ goto _err;
+ }
+ if (device < 0)
+ device = 0;
+ if (subdevice < 0)
+ subdevice = 0;
+
+ snd_ctl_elem_id_set_interface(ctl_id, iface);
+ snd_ctl_elem_id_set_name(ctl_id, name);
+ snd_ctl_elem_id_set_index(ctl_id, index);
+ snd_ctl_elem_id_set_device(ctl_id, device);
+ snd_ctl_elem_id_set_subdevice(ctl_id, subdevice);
+
+ return 0;
+
+ _err:
+ return err;
+}
diff --git a/src/pcm/pcm_mmap.c b/src/pcm/pcm_mmap.c
new file mode 100644
index 0000000..83e74e5
--- /dev/null
+++ b/src/pcm/pcm_mmap.c
@@ -0,0 +1,639 @@
+/*
+ * PCM Interface - mmap
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <malloc.h>
+#include <string.h>
+#include <sys/poll.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include "pcm_local.h"
+
+size_t page_size(void)
+{
+ long s = sysconf(_SC_PAGE_SIZE);
+ assert(s > 0);
+ return s;
+}
+
+size_t page_align(size_t size)
+{
+ size_t r;
+ long psz = page_size();
+ r = size % psz;
+ if (r)
+ return size + psz - r;
+ return size;
+}
+
+size_t page_ptr(size_t object_offset, size_t object_size, size_t *offset, size_t *mmap_offset)
+{
+ size_t r;
+ long psz = page_size();
+ assert(offset);
+ assert(mmap_offset);
+ *mmap_offset = object_offset;
+ object_offset %= psz;
+ *mmap_offset -= object_offset;
+ object_size += object_offset;
+ r = object_size % psz;
+ if (r)
+ r = object_size + psz - r;
+ else
+ r = object_size;
+ *offset = object_offset;
+ return r;
+}
+
+void snd_pcm_mmap_appl_backward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_sframes_t appl_ptr = *pcm->appl.ptr;
+ appl_ptr -= frames;
+ if (appl_ptr < 0)
+ appl_ptr += pcm->boundary;
+ *pcm->appl.ptr = appl_ptr;
+}
+
+void snd_pcm_mmap_appl_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_uframes_t appl_ptr = *pcm->appl.ptr;
+ appl_ptr += frames;
+ if (appl_ptr >= pcm->boundary)
+ appl_ptr -= pcm->boundary;
+ *pcm->appl.ptr = appl_ptr;
+}
+
+void snd_pcm_mmap_hw_backward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_sframes_t hw_ptr = *pcm->hw.ptr;
+ hw_ptr -= frames;
+ if (hw_ptr < 0)
+ hw_ptr += pcm->boundary;
+ *pcm->hw.ptr = hw_ptr;
+}
+
+void snd_pcm_mmap_hw_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_uframes_t hw_ptr = *pcm->hw.ptr;
+ hw_ptr += frames;
+ if (hw_ptr >= pcm->boundary)
+ hw_ptr -= pcm->boundary;
+ *pcm->hw.ptr = hw_ptr;
+}
+
+static snd_pcm_sframes_t snd_pcm_mmap_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_uframes_t xfer = 0;
+
+ if (snd_pcm_mmap_playback_avail(pcm) < size) {
+ SNDMSG("too short avail %ld to size %ld", snd_pcm_mmap_playback_avail(pcm), size);
+ return -EPIPE;
+ }
+ while (size > 0) {
+ const snd_pcm_channel_area_t *pcm_areas;
+ snd_pcm_uframes_t pcm_offset;
+ snd_pcm_uframes_t frames = size;
+ snd_pcm_sframes_t result;
+
+ snd_pcm_mmap_begin(pcm, &pcm_areas, &pcm_offset, &frames);
+ snd_pcm_areas_copy(pcm_areas, pcm_offset,
+ areas, offset,
+ pcm->channels,
+ frames, pcm->format);
+ result = snd_pcm_mmap_commit(pcm, pcm_offset, frames);
+ if (result < 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : result;
+ offset += result;
+ xfer += result;
+ size -= result;
+ }
+ return (snd_pcm_sframes_t)xfer;
+}
+
+static snd_pcm_sframes_t snd_pcm_mmap_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_uframes_t xfer = 0;
+
+ if (snd_pcm_mmap_capture_avail(pcm) < size) {
+ SNDMSG("too short avail %ld to size %ld", snd_pcm_mmap_capture_avail(pcm), size);
+ return -EPIPE;
+ }
+ while (size > 0) {
+ const snd_pcm_channel_area_t *pcm_areas;
+ snd_pcm_uframes_t pcm_offset;
+ snd_pcm_uframes_t frames = size;
+ snd_pcm_sframes_t result;
+
+ snd_pcm_mmap_begin(pcm, &pcm_areas, &pcm_offset, &frames);
+ snd_pcm_areas_copy(areas, offset,
+ pcm_areas, pcm_offset,
+ pcm->channels,
+ frames, pcm->format);
+ result = snd_pcm_mmap_commit(pcm, pcm_offset, frames);
+ if (result < 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : result;
+ offset += result;
+ xfer += result;
+ size -= result;
+ }
+ return (snd_pcm_sframes_t)xfer;
+}
+
+/**
+ * \brief Write interleaved frames to a PCM using direct buffer (mmap)
+ * \param pcm PCM handle
+ * \param buffer frames containing buffer
+ * \param size frames to be written
+ * \return a positive number of frames actually written otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an underrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour is selected, then routine waits until
+ * all requested bytes are played or put to the playback ring buffer.
+ * The count of bytes can be less only if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_mmap_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_buf(pcm, areas, (void*)buffer);
+ return snd_pcm_write_areas(pcm, areas, 0, size,
+ snd_pcm_mmap_write_areas);
+}
+
+/**
+ * \brief Write non interleaved frames to a PCM using direct buffer (mmap)
+ * \param pcm PCM handle
+ * \param bufs frames containing buffers (one for each channel)
+ * \param size frames to be written
+ * \return a positive number of frames actually written otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an underrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour is selected, then routine waits until
+ * all requested bytes are played or put to the playback ring buffer.
+ * The count of bytes can be less only if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_bufs(pcm, areas, bufs);
+ return snd_pcm_write_areas(pcm, areas, 0, size,
+ snd_pcm_mmap_write_areas);
+}
+
+/**
+ * \brief Read interleaved frames from a PCM using direct buffer (mmap)
+ * \param pcm PCM handle
+ * \param buffer frames containing buffer
+ * \param size frames to be written
+ * \return a positive number of frames actually read otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an overrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour was selected, then routine waits until
+ * all requested bytes are filled. The count of bytes can be less only
+ * if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_buf(pcm, areas, buffer);
+ return snd_pcm_read_areas(pcm, areas, 0, size,
+ snd_pcm_mmap_read_areas);
+}
+
+/**
+ * \brief Read non interleaved frames to a PCM using direct buffer (mmap)
+ * \param pcm PCM handle
+ * \param bufs frames containing buffers (one for each channel)
+ * \param size frames to be written
+ * \return a positive number of frames actually read otherwise a
+ * negative error code
+ * \retval -EBADFD PCM is not in the right state (#SND_PCM_STATE_PREPARED or #SND_PCM_STATE_RUNNING)
+ * \retval -EPIPE an overrun occurred
+ * \retval -ESTRPIPE a suspend event occurred (stream is suspended and waiting for an application recovery)
+ *
+ * If the blocking behaviour was selected, then routine waits until
+ * all requested bytes are filled. The count of bytes can be less only
+ * if a signal or underrun occurred.
+ *
+ * If the non-blocking behaviour is selected, then routine doesn't wait at all.
+ */
+snd_pcm_sframes_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_bufs(pcm, areas, bufs);
+ return snd_pcm_read_areas(pcm, areas, 0, size,
+ snd_pcm_mmap_read_areas);
+}
+
+int snd_pcm_channel_info_shm(snd_pcm_t *pcm, snd_pcm_channel_info_t *info, int shmid)
+{
+ switch (pcm->access) {
+ case SND_PCM_ACCESS_MMAP_INTERLEAVED:
+ case SND_PCM_ACCESS_RW_INTERLEAVED:
+ info->first = info->channel * pcm->sample_bits;
+ info->step = pcm->frame_bits;
+ break;
+ case SND_PCM_ACCESS_MMAP_NONINTERLEAVED:
+ case SND_PCM_ACCESS_RW_NONINTERLEAVED:
+ info->first = 0;
+ info->step = pcm->sample_bits;
+ break;
+ default:
+ SNDMSG("invalid access type %d", pcm->access);
+ return -EINVAL;
+ }
+ info->addr = 0;
+ if (pcm->hw_flags & SND_PCM_HW_PARAMS_EXPORT_BUFFER) {
+ info->type = SND_PCM_AREA_SHM;
+ info->u.shm.shmid = shmid;
+ info->u.shm.area = NULL;
+ } else
+ info->type = SND_PCM_AREA_LOCAL;
+ return 0;
+}
+
+int snd_pcm_mmap(snd_pcm_t *pcm)
+{
+ int err;
+ unsigned int c;
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->setup)) {
+ SNDMSG("PCM not set up");
+ return -EIO;
+ }
+ if (CHECK_SANITY(pcm->mmap_channels || pcm->running_areas)) {
+ SNDMSG("Already mmapped");
+ return -EBUSY;
+ }
+ err = pcm->ops->mmap(pcm);
+ if (err < 0)
+ return err;
+ if (pcm->mmap_shadow)
+ return 0;
+ pcm->mmap_channels = calloc(pcm->channels, sizeof(pcm->mmap_channels[0]));
+ if (!pcm->mmap_channels)
+ return -ENOMEM;
+ pcm->running_areas = calloc(pcm->channels, sizeof(pcm->running_areas[0]));
+ if (!pcm->running_areas) {
+ free(pcm->mmap_channels);
+ pcm->mmap_channels = NULL;
+ return -ENOMEM;
+ }
+ for (c = 0; c < pcm->channels; ++c) {
+ snd_pcm_channel_info_t *i = &pcm->mmap_channels[c];
+ i->channel = c;
+ err = snd_pcm_channel_info(pcm, i);
+ if (err < 0) {
+ free(pcm->mmap_channels);
+ free(pcm->running_areas);
+ pcm->mmap_channels = NULL;
+ pcm->running_areas = NULL;
+ return err;
+ }
+ }
+ for (c = 0; c < pcm->channels; ++c) {
+ snd_pcm_channel_info_t *i = &pcm->mmap_channels[c];
+ snd_pcm_channel_area_t *a = &pcm->running_areas[c];
+ char *ptr;
+ size_t size;
+ unsigned int c1;
+ if (i->addr) {
+ a->addr = i->addr;
+ a->first = i->first;
+ a->step = i->step;
+ continue;
+ }
+ size = i->first + i->step * (pcm->buffer_size - 1) + pcm->sample_bits;
+ for (c1 = c + 1; c1 < pcm->channels; ++c1) {
+ snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
+ size_t s;
+ if (i1->type != i->type)
+ continue;
+ switch (i1->type) {
+ case SND_PCM_AREA_MMAP:
+ if (i1->u.mmap.fd != i->u.mmap.fd ||
+ i1->u.mmap.offset != i->u.mmap.offset)
+ continue;
+ break;
+ case SND_PCM_AREA_SHM:
+ if (i1->u.shm.shmid != i->u.shm.shmid)
+ continue;
+ break;
+ case SND_PCM_AREA_LOCAL:
+ break;
+ default:
+ assert(0);
+ }
+ s = i1->first + i1->step * (pcm->buffer_size - 1) + pcm->sample_bits;
+ if (s > size)
+ size = s;
+ }
+ size = (size + 7) / 8;
+ size = page_align(size);
+ switch (i->type) {
+ case SND_PCM_AREA_MMAP:
+ ptr = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_FILE|MAP_SHARED, i->u.mmap.fd, i->u.mmap.offset);
+ if (ptr == MAP_FAILED) {
+ SYSERR("mmap failed");
+ return -errno;
+ }
+ i->addr = ptr;
+ break;
+ case SND_PCM_AREA_SHM:
+ if (i->u.shm.shmid < 0) {
+ int id;
+ /* FIXME: safer permission? */
+ id = shmget(IPC_PRIVATE, size, 0666);
+ if (id < 0) {
+ SYSERR("shmget failed");
+ return -errno;
+ }
+ i->u.shm.shmid = id;
+ ptr = shmat(i->u.shm.shmid, 0, 0);
+ if (ptr == (void *) -1) {
+ SYSERR("shmat failed");
+ return -errno;
+ }
+ /* automatically remove segment if not used */
+ if (shmctl(id, IPC_RMID, NULL) < 0){
+ SYSERR("shmctl mark remove failed");
+ return -errno;
+ }
+ i->u.shm.area = snd_shm_area_create(id, ptr);
+ if (i->u.shm.area == NULL) {
+ SYSERR("snd_shm_area_create failed");
+ return -ENOMEM;
+ }
+ if (pcm->access == SND_PCM_ACCESS_MMAP_INTERLEAVED ||
+ pcm->access == SND_PCM_ACCESS_RW_INTERLEAVED) {
+ unsigned int c1;
+ for (c1 = c + 1; c1 < pcm->channels; c1++) {
+ snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
+ if (i1->u.shm.shmid < 0) {
+ i1->u.shm.shmid = id;
+ i1->u.shm.area = snd_shm_area_share(i->u.shm.area);
+ }
+ }
+ }
+ } else {
+ ptr = shmat(i->u.shm.shmid, 0, 0);
+ if (ptr == (void*) -1) {
+ SYSERR("shmat failed");
+ return -errno;
+ }
+ }
+ i->addr = ptr;
+ break;
+ case SND_PCM_AREA_LOCAL:
+ ptr = malloc(size);
+ if (ptr == NULL) {
+ SYSERR("malloc failed");
+ return -errno;
+ }
+ i->addr = ptr;
+ break;
+ default:
+ assert(0);
+ }
+ for (c1 = c + 1; c1 < pcm->channels; ++c1) {
+ snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
+ if (i1->type != i->type)
+ continue;
+ switch (i1->type) {
+ case SND_PCM_AREA_MMAP:
+ if (i1->u.mmap.fd != i->u.mmap.fd ||
+ i1->u.mmap.offset != i->u.mmap.offset)
+ continue;
+ break;
+ case SND_PCM_AREA_SHM:
+ if (i1->u.shm.shmid != i->u.shm.shmid)
+ continue;
+ /* follow thru */
+ case SND_PCM_AREA_LOCAL:
+ if (pcm->access != SND_PCM_ACCESS_MMAP_INTERLEAVED &&
+ pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED)
+ continue;
+ break;
+ default:
+ assert(0);
+ }
+ i1->addr = i->addr;
+ }
+ a->addr = i->addr;
+ a->first = i->first;
+ a->step = i->step;
+ }
+ return 0;
+}
+
+int snd_pcm_munmap(snd_pcm_t *pcm)
+{
+ int err;
+ unsigned int c;
+ assert(pcm);
+ if (CHECK_SANITY(! pcm->mmap_channels)) {
+ SNDMSG("Not mmapped");
+ return -ENXIO;
+ }
+ if (pcm->mmap_shadow)
+ return pcm->ops->munmap(pcm);
+ for (c = 0; c < pcm->channels; ++c) {
+ snd_pcm_channel_info_t *i = &pcm->mmap_channels[c];
+ unsigned int c1;
+ size_t size = i->first + i->step * (pcm->buffer_size - 1) + pcm->sample_bits;
+ if (!i->addr)
+ continue;
+ for (c1 = c + 1; c1 < pcm->channels; ++c1) {
+ snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
+ size_t s;
+ if (i1->addr != i->addr)
+ continue;
+ i1->addr = NULL;
+ s = i1->first + i1->step * (pcm->buffer_size - 1) + pcm->sample_bits;
+ if (s > size)
+ size = s;
+ }
+ size = (size + 7) / 8;
+ size = page_align(size);
+ switch (i->type) {
+ case SND_PCM_AREA_MMAP:
+ err = munmap(i->addr, size);
+ if (err < 0) {
+ SYSERR("mmap failed");
+ return -errno;
+ }
+ errno = 0;
+ break;
+ case SND_PCM_AREA_SHM:
+ if (i->u.shm.area) {
+ snd_shm_area_destroy(i->u.shm.area);
+ i->u.shm.area = NULL;
+ if (pcm->access == SND_PCM_ACCESS_MMAP_INTERLEAVED ||
+ pcm->access == SND_PCM_ACCESS_RW_INTERLEAVED) {
+ unsigned int c1;
+ for (c1 = c + 1; c1 < pcm->channels; c1++) {
+ snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
+ if (i1->u.shm.area) {
+ snd_shm_area_destroy(i1->u.shm.area);
+ i1->u.shm.area = NULL;
+ }
+ }
+ }
+ }
+ break;
+ case SND_PCM_AREA_LOCAL:
+ free(i->addr);
+ break;
+ default:
+ assert(0);
+ }
+ i->addr = NULL;
+ }
+ err = pcm->ops->munmap(pcm);
+ if (err < 0)
+ return err;
+ free(pcm->mmap_channels);
+ free(pcm->running_areas);
+ pcm->mmap_channels = NULL;
+ pcm->running_areas = NULL;
+ return 0;
+}
+
+snd_pcm_sframes_t snd_pcm_write_mmap(snd_pcm_t *pcm, snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_uframes_t xfer = 0;
+ snd_pcm_sframes_t err = 0;
+ if (! size)
+ return 0;
+ while (xfer < size) {
+ snd_pcm_uframes_t frames = size - xfer;
+ snd_pcm_uframes_t cont = pcm->buffer_size - offset;
+ if (cont < frames)
+ frames = cont;
+ switch (pcm->access) {
+ case SND_PCM_ACCESS_MMAP_INTERLEAVED:
+ {
+ const snd_pcm_channel_area_t *a = snd_pcm_mmap_areas(pcm);
+ const char *buf = snd_pcm_channel_area_addr(a, offset);
+ err = _snd_pcm_writei(pcm, buf, frames);
+ if (err >= 0)
+ frames = err;
+ break;
+ }
+ case SND_PCM_ACCESS_MMAP_NONINTERLEAVED:
+ {
+ unsigned int channels = pcm->channels;
+ unsigned int c;
+ void *bufs[channels];
+ const snd_pcm_channel_area_t *areas = snd_pcm_mmap_areas(pcm);
+ for (c = 0; c < channels; ++c) {
+ const snd_pcm_channel_area_t *a = &areas[c];
+ bufs[c] = snd_pcm_channel_area_addr(a, offset);
+ }
+ err = _snd_pcm_writen(pcm, bufs, frames);
+ if (err >= 0)
+ frames = err;
+ break;
+ }
+ default:
+ SNDMSG("invalid access type %d", pcm->access);
+ return -EINVAL;
+ }
+ if (err < 0)
+ break;
+ xfer += frames;
+ offset = (offset + frames) % pcm->buffer_size;
+ }
+ if (xfer > 0)
+ return xfer;
+ return err;
+}
+
+snd_pcm_sframes_t snd_pcm_read_mmap(snd_pcm_t *pcm, snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_uframes_t xfer = 0;
+ snd_pcm_sframes_t err = 0;
+ if (! size)
+ return 0;
+ while (xfer < size) {
+ snd_pcm_uframes_t frames = size - xfer;
+ snd_pcm_uframes_t cont = pcm->buffer_size - offset;
+ if (cont < frames)
+ frames = cont;
+ switch (pcm->access) {
+ case SND_PCM_ACCESS_MMAP_INTERLEAVED:
+ {
+ const snd_pcm_channel_area_t *a = snd_pcm_mmap_areas(pcm);
+ char *buf = snd_pcm_channel_area_addr(a, offset);
+ err = _snd_pcm_readi(pcm, buf, frames);
+ if (err >= 0)
+ frames = err;
+ break;
+ }
+ case SND_PCM_ACCESS_MMAP_NONINTERLEAVED:
+ {
+ snd_pcm_uframes_t channels = pcm->channels;
+ unsigned int c;
+ void *bufs[channels];
+ const snd_pcm_channel_area_t *areas = snd_pcm_mmap_areas(pcm);
+ for (c = 0; c < channels; ++c) {
+ const snd_pcm_channel_area_t *a = &areas[c];
+ bufs[c] = snd_pcm_channel_area_addr(a, offset);
+ }
+ err = _snd_pcm_readn(pcm->fast_op_arg, bufs, frames);
+ if (err >= 0)
+ frames = err;
+ break;
+ }
+ default:
+ SNDMSG("invalid access type %d", pcm->access);
+ return -EINVAL;
+ }
+ if (err < 0)
+ break;
+ xfer += frames;
+ offset = (offset + frames) % pcm->buffer_size;
+ }
+ if (xfer > 0)
+ return xfer;
+ return err;
+}
diff --git a/src/pcm/pcm_mmap_emul.c b/src/pcm/pcm_mmap_emul.c
new file mode 100644
index 0000000..b2b15ef
--- /dev/null
+++ b/src/pcm/pcm_mmap_emul.c
@@ -0,0 +1,514 @@
+/**
+ * \file pcm/pcm_mmap_emul.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Mmap-Emulation Plugin Interface
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2007
+ */
+/*
+ * PCM - Mmap-Emulation
+ * Copyright (c) 2007 by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+#include "pcm_generic.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_mmap_emul = "";
+#endif
+
+#ifndef DOC_HIDDEN
+/*
+ *
+ */
+
+typedef struct {
+ snd_pcm_generic_t gen;
+ unsigned int mmap_emul :1;
+ snd_pcm_uframes_t hw_ptr;
+ snd_pcm_uframes_t appl_ptr;
+ snd_pcm_uframes_t start_threshold;
+} mmap_emul_t;
+#endif
+
+/*
+ * here goes a really tricky part; hw_refine falls back to ACCESS_RW_* type
+ * when ACCESS_MMAP_* isn't supported by the hardware.
+ */
+static int snd_pcm_mmap_emul_hw_refine(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params)
+{
+ mmap_emul_t *map = pcm->private_data;
+ int err = 0;
+ snd_pcm_access_mask_t oldmask =
+ *snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
+ snd_pcm_access_mask_t mask;
+ const snd_mask_t *pmask;
+
+ snd_mask_none(&mask);
+ err = snd_pcm_hw_refine(map->gen.slave, params);
+ if (err < 0) {
+ snd_pcm_hw_params_t new = *params;
+
+ /* try to use RW_* */
+ if (snd_pcm_access_mask_test(&oldmask,
+ SND_PCM_ACCESS_MMAP_INTERLEAVED) &&
+ !snd_pcm_access_mask_test(&oldmask,
+ SND_PCM_ACCESS_RW_INTERLEAVED))
+ snd_pcm_access_mask_set(&mask,
+ SND_PCM_ACCESS_RW_INTERLEAVED);
+ if (snd_pcm_access_mask_test(&oldmask,
+ SND_PCM_ACCESS_MMAP_NONINTERLEAVED) &&
+ !snd_pcm_access_mask_test(&oldmask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED))
+ snd_pcm_access_mask_set(&mask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED);
+ if (snd_pcm_access_mask_empty(&mask))
+ return err;
+ pmask = snd_pcm_hw_param_get_mask(&new,
+ SND_PCM_HW_PARAM_ACCESS);
+ *(snd_mask_t *)pmask = mask;
+ err = snd_pcm_hw_refine(map->gen.slave, &new);
+ if (err < 0)
+ return err;
+ *params = new;
+ }
+
+ pmask = snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
+ if (snd_pcm_access_mask_test(pmask, SND_PCM_ACCESS_MMAP_INTERLEAVED) ||
+ snd_pcm_access_mask_test(pmask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED) ||
+ snd_pcm_access_mask_test(pmask, SND_PCM_ACCESS_MMAP_COMPLEX))
+ return 0;
+ if (snd_pcm_access_mask_test(&mask, SND_PCM_ACCESS_RW_INTERLEAVED)) {
+ if (snd_pcm_access_mask_test(pmask,
+ SND_PCM_ACCESS_RW_INTERLEAVED))
+ snd_pcm_access_mask_set((snd_pcm_access_mask_t *)pmask,
+ SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ snd_pcm_access_mask_reset((snd_pcm_access_mask_t *)pmask,
+ SND_PCM_ACCESS_RW_INTERLEAVED);
+ params->cmask |= 1<<SND_PCM_HW_PARAM_ACCESS;
+ }
+ if (snd_pcm_access_mask_test(&mask, SND_PCM_ACCESS_RW_NONINTERLEAVED)) {
+ if (snd_pcm_access_mask_test(pmask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED))
+ snd_pcm_access_mask_set((snd_pcm_access_mask_t *)pmask,
+ SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ snd_pcm_access_mask_reset((snd_pcm_access_mask_t *)pmask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED);
+ params->cmask |= 1<<SND_PCM_HW_PARAM_ACCESS;
+ }
+ if (snd_pcm_access_mask_test(&oldmask, SND_PCM_ACCESS_MMAP_INTERLEAVED)) {
+ if (snd_pcm_access_mask_test(&oldmask,
+ SND_PCM_ACCESS_RW_INTERLEAVED)) {
+ if (snd_pcm_access_mask_test(pmask,
+ SND_PCM_ACCESS_RW_INTERLEAVED)) {
+ snd_pcm_access_mask_set((snd_pcm_access_mask_t *)pmask,
+ SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ params->cmask |= 1<<SND_PCM_HW_PARAM_ACCESS;
+ }
+ }
+ }
+ if (snd_pcm_access_mask_test(&oldmask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED)) {
+ if (snd_pcm_access_mask_test(&oldmask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED)) {
+ if (snd_pcm_access_mask_test(pmask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED)) {
+ snd_pcm_access_mask_set((snd_pcm_access_mask_t *)pmask,
+ SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ params->cmask |= 1<<SND_PCM_HW_PARAM_ACCESS;
+ }
+ }
+ }
+ return 0;
+}
+
+/*
+ * hw_params needs a similar hack like hw_refine, but it's much simpler
+ * because now snd_pcm_hw_params_t takes only one choice for each item.
+ *
+ * Here, when the normal hw_params call fails, it turns on the mmap_emul
+ * flag and tries to use ACCESS_RW_* mode.
+ *
+ * In mmap_emul mode, the appl_ptr and hw_ptr are handled individually
+ * from the layering slave PCM, and they are sync'ed appropriately in
+ * each read/write or avail_update/commit call.
+ */
+static int snd_pcm_mmap_emul_hw_params(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params)
+{
+ mmap_emul_t *map = pcm->private_data;
+ snd_pcm_hw_params_t old = *params;
+ snd_pcm_access_t access;
+ snd_pcm_access_mask_t oldmask;
+ snd_pcm_access_mask_t *pmask;
+ int err;
+
+ err = _snd_pcm_hw_params_internal(map->gen.slave, params);
+ if (err >= 0) {
+ map->mmap_emul = 0;
+ return err;
+ }
+
+ *params = old;
+ pmask = (snd_pcm_access_mask_t *)snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
+ oldmask = *pmask;
+ if (INTERNAL(snd_pcm_hw_params_get_access)(params, &access) < 0)
+ goto _err;
+ switch (access) {
+ case SND_PCM_ACCESS_MMAP_INTERLEAVED:
+ snd_pcm_access_mask_reset(pmask,
+ SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ snd_pcm_access_mask_set(pmask, SND_PCM_ACCESS_RW_INTERLEAVED);
+ break;
+ case SND_PCM_ACCESS_MMAP_NONINTERLEAVED:
+ snd_pcm_access_mask_reset(pmask,
+ SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ snd_pcm_access_mask_set(pmask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED);
+ break;
+ default:
+ goto _err;
+ }
+ err = _snd_pcm_hw_params_internal(map->gen.slave, params);
+ if (err < 0)
+ goto _err;
+
+ /* need to back the access type to relieve apps */
+ *pmask = oldmask;
+
+ /* OK, we do fake */
+ map->mmap_emul = 1;
+ map->appl_ptr = 0;
+ map->hw_ptr = 0;
+ snd_pcm_set_hw_ptr(pcm, &map->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &map->appl_ptr, -1, 0);
+ return 0;
+
+ _err:
+ err = -errno;
+ return err;
+}
+
+static int snd_pcm_mmap_emul_sw_params(snd_pcm_t *pcm,
+ snd_pcm_sw_params_t *params)
+{
+ mmap_emul_t *map = pcm->private_data;
+ int err;
+
+ if (!map->mmap_emul)
+ return snd_pcm_generic_sw_params(pcm, params);
+
+ map->start_threshold = params->start_threshold;
+
+ /* HACK: don't auto-start in the slave PCM */
+ params->start_threshold = pcm->boundary;
+ err = snd_pcm_generic_sw_params(pcm, params);
+ if (err < 0)
+ return err;
+ /* restore the value for this PCM */
+ params->start_threshold = map->start_threshold;
+ return err;
+}
+
+static int snd_pcm_mmap_emul_prepare(snd_pcm_t *pcm)
+{
+ mmap_emul_t *map = pcm->private_data;
+ int err;
+
+ err = snd_pcm_generic_prepare(pcm);
+ if (err < 0)
+ return err;
+ map->hw_ptr = map->appl_ptr = 0;
+ return err;
+}
+
+static int snd_pcm_mmap_emul_reset(snd_pcm_t *pcm)
+{
+ mmap_emul_t *map = pcm->private_data;
+ int err;
+
+ err = snd_pcm_generic_reset(pcm);
+ if (err < 0)
+ return err;
+ map->hw_ptr = map->appl_ptr = 0;
+ return err;
+}
+
+static snd_pcm_sframes_t
+snd_pcm_mmap_emul_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ frames = snd_pcm_generic_rewind(pcm, frames);
+ if (frames > 0)
+ snd_pcm_mmap_appl_backward(pcm, frames);
+ return frames;
+}
+
+static snd_pcm_sframes_t
+snd_pcm_mmap_emul_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ frames = snd_pcm_generic_forward(pcm, frames);
+ if (frames > 0)
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ return frames;
+}
+
+/* write out the uncommitted chunk on mmap buffer to the slave PCM */
+static snd_pcm_sframes_t
+sync_slave_write(snd_pcm_t *pcm)
+{
+ mmap_emul_t *map = pcm->private_data;
+ snd_pcm_t *slave = map->gen.slave;
+ snd_pcm_uframes_t offset;
+ snd_pcm_sframes_t size;
+
+ /* HACK: don't start stream automatically at commit in mmap mode */
+ pcm->start_threshold = pcm->boundary;
+
+ size = map->appl_ptr - *slave->appl.ptr;
+ if (size < 0)
+ size += pcm->boundary;
+ if (size) {
+ offset = *slave->appl.ptr % pcm->buffer_size;
+ size = snd_pcm_write_mmap(pcm, offset, size);
+ }
+ pcm->start_threshold = map->start_threshold; /* restore */
+ return size;
+}
+
+/* read the available chunk on the slave PCM to mmap buffer */
+static snd_pcm_sframes_t
+sync_slave_read(snd_pcm_t *pcm)
+{
+ mmap_emul_t *map = pcm->private_data;
+ snd_pcm_t *slave = map->gen.slave;
+ snd_pcm_uframes_t offset;
+ snd_pcm_sframes_t size;
+
+ size = *slave->hw.ptr - map->hw_ptr;
+ if (size < 0)
+ size += pcm->boundary;
+ if (!size)
+ return 0;
+ offset = map->hw_ptr % pcm->buffer_size;
+ size = snd_pcm_read_mmap(pcm, offset, size);
+ if (size > 0)
+ snd_pcm_mmap_hw_forward(pcm, size);
+ return 0;
+}
+
+static snd_pcm_sframes_t
+snd_pcm_mmap_emul_mmap_commit(snd_pcm_t *pcm, snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ mmap_emul_t *map = pcm->private_data;
+ snd_pcm_t *slave = map->gen.slave;
+
+ snd_pcm_mmap_appl_forward(pcm, size);
+ if (!map->mmap_emul)
+ return snd_pcm_mmap_commit(slave, offset, size);
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ sync_slave_write(pcm);
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_mmap_emul_avail_update(snd_pcm_t *pcm)
+{
+ mmap_emul_t *map = pcm->private_data;
+ snd_pcm_t *slave = map->gen.slave;
+
+ if (!map->mmap_emul || pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ map->hw_ptr = *slave->hw.ptr;
+ else
+ sync_slave_read(pcm);
+ return snd_pcm_mmap_avail(pcm);
+}
+
+static void snd_pcm_mmap_emul_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ mmap_emul_t *map = pcm->private_data;
+
+ snd_output_printf(out, "Mmap emulation PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(map->gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_mmap_emul_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_mmap_emul_hw_refine,
+ .hw_params = snd_pcm_mmap_emul_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_mmap_emul_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_mmap_emul_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_mmap_emul_fast_ops = {
+ .status = snd_pcm_generic_status,
+ .state = snd_pcm_generic_state,
+ .hwsync = snd_pcm_generic_hwsync,
+ .delay = snd_pcm_generic_delay,
+ .prepare = snd_pcm_mmap_emul_prepare,
+ .reset = snd_pcm_mmap_emul_reset,
+ .start = snd_pcm_generic_start,
+ .drop = snd_pcm_generic_drop,
+ .drain = snd_pcm_generic_drain,
+ .pause = snd_pcm_generic_pause,
+ .rewindable = snd_pcm_generic_rewindable,
+ .rewind = snd_pcm_mmap_emul_rewind,
+ .forwardable = snd_pcm_generic_forwardable,
+ .forward = snd_pcm_mmap_emul_forward,
+ .resume = snd_pcm_generic_resume,
+ .link = snd_pcm_generic_link,
+ .link_slaves = snd_pcm_generic_link_slaves,
+ .unlink = snd_pcm_generic_unlink,
+ .writei = snd_pcm_generic_writei,
+ .writen = snd_pcm_generic_writen,
+ .readi = snd_pcm_generic_readi,
+ .readn = snd_pcm_generic_readn,
+ .avail_update = snd_pcm_mmap_emul_avail_update,
+ .mmap_commit = snd_pcm_mmap_emul_mmap_commit,
+ .htimestamp = snd_pcm_generic_htimestamp,
+ .poll_descriptors = snd_pcm_generic_poll_descriptors,
+ .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
+ .poll_revents = snd_pcm_generic_poll_revents,
+ .may_wait_for_avail_min = snd_pcm_generic_may_wait_for_avail_min,
+};
+
+#ifndef DOC_HIDDEN
+int __snd_pcm_mmap_emul_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ mmap_emul_t *map;
+ int err;
+
+ map = calloc(1, sizeof(*map));
+ if (!map)
+ return -ENOMEM;
+ map->gen.slave = slave;
+ map->gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_MMAP_EMUL, name,
+ slave->stream, slave->mode);
+ if (err < 0) {
+ free(map);
+ return err;
+ }
+ pcm->ops = &snd_pcm_mmap_emul_ops;
+ pcm->fast_ops = &snd_pcm_mmap_emul_fast_ops;
+ pcm->private_data = map;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &map->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &map->appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+#endif
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_mmap_emul Plugin: mmap_emul
+
+\code
+pcm.name {
+ type mmap_emul
+ slave PCM
+}
+\endcode
+
+\subsection pcm_plugins_mmap_emul_funcref Function reference
+
+<UL>
+ <LI>_snd_pcm_hw_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new mmap_emul PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with hw PCM description
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_mmap_emul_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = __snd_pcm_mmap_emul_open(pcmp, name, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_mmap_emul_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_mulaw.c b/src/pcm/pcm_mulaw.c
new file mode 100644
index 0000000..011b2a5
--- /dev/null
+++ b/src/pcm/pcm_mulaw.c
@@ -0,0 +1,570 @@
+/**
+ * \file pcm/pcm_mulaw.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Mu-Law Conversion Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Mu-Law conversion
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "plugin_ops.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_mulaw = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+typedef void (*mulaw_f)(const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getputidx);
+
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ unsigned int getput_idx;
+ mulaw_f func;
+ snd_pcm_format_t sformat;
+} snd_pcm_mulaw_t;
+
+#endif
+
+static inline int val_seg(int val)
+{
+ int r = 0;
+ val >>= 7;
+ if (val & 0xf0) {
+ val >>= 4;
+ r += 4;
+ }
+ if (val & 0x0c) {
+ val >>= 2;
+ r += 2;
+ }
+ if (val & 0x02)
+ r += 1;
+ return r;
+}
+
+/*
+ * s16_to_ulaw() - Convert a linear PCM value to u-law
+ *
+ * In order to simplify the encoding process, the original linear magnitude
+ * is biased by adding 33 which shifts the encoding range from (0 - 8158) to
+ * (33 - 8191). The result can be seen in the following encoding table:
+ *
+ * Biased Linear Input Code Compressed Code
+ * ------------------------ ---------------
+ * 00000001wxyza 000wxyz
+ * 0000001wxyzab 001wxyz
+ * 000001wxyzabc 010wxyz
+ * 00001wxyzabcd 011wxyz
+ * 0001wxyzabcde 100wxyz
+ * 001wxyzabcdef 101wxyz
+ * 01wxyzabcdefg 110wxyz
+ * 1wxyzabcdefgh 111wxyz
+ *
+ * Each biased linear code has a leading 1 which identifies the segment
+ * number. The value of the segment number is equal to 7 minus the number
+ * of leading 0's. The quantization interval is directly available as the
+ * four bits wxyz. * The trailing bits (a - h) are ignored.
+ *
+ * Ordinarily the complement of the resulting code word is used for
+ * transmission, and so the code word is complemented before it is returned.
+ *
+ * For further information see John C. Bellamy's Digital Telephony, 1982,
+ * John Wiley & Sons, pps 98-111 and 472-476.
+ */
+
+static unsigned char s16_to_ulaw(int pcm_val) /* 2's complement (16-bit range) */
+{
+ int mask;
+ int seg;
+ unsigned char uval;
+
+ if (pcm_val < 0) {
+ pcm_val = 0x84 - pcm_val;
+ mask = 0x7f;
+ } else {
+ pcm_val += 0x84;
+ mask = 0xff;
+ }
+ if (pcm_val > 0x7fff)
+ pcm_val = 0x7fff;
+
+ /* Convert the scaled magnitude to segment number. */
+ seg = val_seg(pcm_val);
+
+ /*
+ * Combine the sign, segment, quantization bits;
+ * and complement the code word.
+ */
+ uval = (seg << 4) | ((pcm_val >> (seg + 3)) & 0x0f);
+ return uval ^ mask;
+}
+
+/*
+ * ulaw_to_s16() - Convert a u-law value to 16-bit linear PCM
+ *
+ * First, a biased linear code is derived from the code word. An unbiased
+ * output can then be obtained by subtracting 33 from the biased code.
+ *
+ * Note that this function expects to be passed the complement of the
+ * original code word. This is in keeping with ISDN conventions.
+ */
+static int ulaw_to_s16(unsigned char u_val)
+{
+ int t;
+
+ /* Complement to obtain normal u-law value. */
+ u_val = ~u_val;
+
+ /*
+ * Extract and bias the quantization bits. Then
+ * shift up by the segment number and subtract out the bias.
+ */
+ t = ((u_val & 0x0f) << 3) + 0x84;
+ t <<= (u_val & 0x70) >> 4;
+
+ return ((u_val & 0x80) ? (0x84 - t) : (t - 0x84));
+}
+
+#ifndef DOC_HIDDEN
+
+void snd_pcm_mulaw_decode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int putidx)
+{
+#define PUT16_LABELS
+#include "plugin_ops.h"
+#undef PUT16_LABELS
+ void *put = put16_labels[putidx];
+ unsigned int channel;
+ for (channel = 0; channel < channels; ++channel) {
+ const unsigned char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ int16_t sample = ulaw_to_s16(*src);
+ goto *put;
+#define PUT16_END after
+#include "plugin_ops.h"
+#undef PUT16_END
+ after:
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+void snd_pcm_mulaw_encode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getidx)
+{
+#define GET16_LABELS
+#include "plugin_ops.h"
+#undef GET16_LABELS
+ void *get = get16_labels[getidx];
+ unsigned int channel;
+ int16_t sample = 0;
+ for (channel = 0; channel < channels; ++channel) {
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ snd_pcm_uframes_t frames1;
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ frames1 = frames;
+ while (frames1-- > 0) {
+ goto *get;
+#define GET16_END after
+#include "plugin_ops.h"
+#undef GET16_END
+ after:
+ *dst = s16_to_ulaw(sample);
+ src += src_step;
+ dst += dst_step;
+ }
+ }
+}
+
+#endif /* DOC_HIDDEN */
+
+static int snd_pcm_mulaw_hw_refine_cprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_mulaw_t *mulaw = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ if (mulaw->sformat == SND_PCM_FORMAT_MU_LAW) {
+ snd_pcm_format_mask_t format_mask= { SND_PCM_FMTBIT_LINEAR };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ } else {
+ err = _snd_pcm_hw_params_set_format(params,
+ SND_PCM_FORMAT_MU_LAW);
+ }
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_mulaw_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_mulaw_t *mulaw = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_params_set_format(sparams, mulaw->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ return 0;
+}
+
+static int snd_pcm_mulaw_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_mulaw_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_mulaw_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_mulaw_hw_refine_cprepare,
+ snd_pcm_mulaw_hw_refine_cchange,
+ snd_pcm_mulaw_hw_refine_sprepare,
+ snd_pcm_mulaw_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_mulaw_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_mulaw_t *mulaw = pcm->private_data;
+ snd_pcm_format_t format;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_mulaw_hw_refine_cchange,
+ snd_pcm_mulaw_hw_refine_sprepare,
+ snd_pcm_mulaw_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &format);
+ if (err < 0)
+ return err;
+
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ if (mulaw->sformat == SND_PCM_FORMAT_MU_LAW) {
+ mulaw->getput_idx = snd_pcm_linear_get_index(format, SND_PCM_FORMAT_S16);
+ mulaw->func = snd_pcm_mulaw_encode;
+ } else {
+ mulaw->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, mulaw->sformat);
+ mulaw->func = snd_pcm_mulaw_decode;
+ }
+ } else {
+ if (mulaw->sformat == SND_PCM_FORMAT_MU_LAW) {
+ mulaw->getput_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, format);
+ mulaw->func = snd_pcm_mulaw_decode;
+ } else {
+ mulaw->getput_idx = snd_pcm_linear_get_index(mulaw->sformat, SND_PCM_FORMAT_S16);
+ mulaw->func = snd_pcm_mulaw_encode;
+ }
+ }
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_mulaw_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_mulaw_t *mulaw = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ mulaw->func(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels, size,
+ mulaw->getput_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_mulaw_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_mulaw_t *mulaw = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ mulaw->func(areas, offset,
+ slave_areas, slave_offset,
+ pcm->channels, size,
+ mulaw->getput_idx);
+ *slave_sizep = size;
+ return size;
+}
+
+static void snd_pcm_mulaw_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_mulaw_t *mulaw = pcm->private_data;
+ snd_output_printf(out, "Mu-Law conversion PCM (%s)\n",
+ snd_pcm_format_name(mulaw->sformat));
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(mulaw->plug.gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_mulaw_ops = {
+ .close = snd_pcm_generic_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_mulaw_hw_refine,
+ .hw_params = snd_pcm_mulaw_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_mulaw_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new Mu-Law conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave (destination) format
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_mulaw_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_mulaw_t *mulaw;
+ int err;
+ assert(pcmp && slave);
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_MU_LAW)
+ return -EINVAL;
+ mulaw = calloc(1, sizeof(snd_pcm_mulaw_t));
+ if (!mulaw) {
+ return -ENOMEM;
+ }
+ snd_pcm_plugin_init(&mulaw->plug);
+ mulaw->sformat = sformat;
+ mulaw->plug.read = snd_pcm_mulaw_read_areas;
+ mulaw->plug.write = snd_pcm_mulaw_write_areas;
+ mulaw->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ mulaw->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ mulaw->plug.gen.slave = slave;
+ mulaw->plug.gen.close_slave = close_slave;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_MULAW, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(mulaw);
+ return err;
+ }
+ pcm->ops = &snd_pcm_mulaw_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = mulaw;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &mulaw->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &mulaw->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_mulaw Plugin: Mu-Law
+
+This plugin converts Mu-Law samples to linear or linear to Mu-Law samples
+from master Mu-Law conversion PCM to given slave PCM. The channel count,
+format and rate must match for both of them.
+
+\code
+pcm.name {
+ type mulaw # Mu-Law conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ format STR # Slave format
+ }
+}
+\endcode
+
+\subsection pcm_plugins_mulaw_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_mulaw_open()
+ <LI>_snd_pcm_mulaw_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Mu-Law conversion PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with copy PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_mulaw_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_pcm_format_t sformat;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 1,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_MANDATORY, &sformat);
+ if (err < 0)
+ return err;
+ if (snd_pcm_format_linear(sformat) != 1 &&
+ sformat != SND_PCM_FORMAT_MU_LAW) {
+ snd_config_delete(sconf);
+ SNDERR("invalid slave format");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_mulaw_open(pcmp, name, sformat, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_mulaw_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_multi.c b/src/pcm/pcm_multi.c
new file mode 100644
index 0000000..4b8299e
--- /dev/null
+++ b/src/pcm/pcm_multi.c
@@ -0,0 +1,1395 @@
+/**
+ * \file pcm/pcm_multi.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Multi Streams to One Conversion Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Multi
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <math.h>
+#include "pcm_local.h"
+#include "pcm_generic.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_multi = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+typedef struct {
+ snd_pcm_t *pcm;
+ unsigned int channels_count;
+ int close_slave;
+ snd_pcm_t *linked;
+} snd_pcm_multi_slave_t;
+
+typedef struct {
+ int slave_idx;
+ unsigned int slave_channel;
+} snd_pcm_multi_channel_t;
+
+typedef struct {
+ unsigned int slaves_count;
+ unsigned int master_slave;
+ snd_pcm_multi_slave_t *slaves;
+ unsigned int channels_count;
+ snd_pcm_multi_channel_t *channels;
+} snd_pcm_multi_t;
+
+#endif
+
+static int snd_pcm_multi_close(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ int ret = 0;
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_multi_slave_t *slave = &multi->slaves[i];
+ if (slave->close_slave) {
+ int err = snd_pcm_close(slave->pcm);
+ if (err < 0)
+ ret = err;
+ }
+ }
+ free(multi->slaves);
+ free(multi->channels);
+ free(multi);
+ return ret;
+}
+
+static int snd_pcm_multi_nonblock(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int nonblock ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_multi_async(snd_pcm_t *pcm, int sig, pid_t pid)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave_0 = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_async(slave_0, sig, pid);
+}
+
+static int snd_pcm_multi_poll_descriptors_count(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave_0 = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_poll_descriptors_count(slave_0);
+}
+
+static int snd_pcm_multi_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave;
+ snd_pcm_t *slave_0 = multi->slaves[multi->master_slave].pcm;
+ int err;
+ unsigned int i;
+
+ for (i = 0; i < multi->slaves_count; ++i) {
+ slave = multi->slaves[i].pcm;
+ if (slave == slave_0)
+ continue;
+ err = snd_pcm_poll_descriptors(slave, pfds, space);
+ if (err < 0)
+ return err;
+ }
+ /* finally overwrite with master's pfds */
+ return snd_pcm_poll_descriptors(slave_0, pfds, space);
+}
+
+static int snd_pcm_multi_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave_0 = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_poll_descriptors_revents(slave_0, pfds, nfds, revents);
+}
+
+static int snd_pcm_multi_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int err, n;
+ assert(info->subdevice < multi->slaves_count);
+ n = info->subdevice;
+ info->subdevice = 0;
+ err = snd_pcm_info(multi->slaves[n].pcm, info);
+ if (err < 0)
+ return err;
+ info->subdevices_count = multi->slaves_count;
+ return 0;
+}
+
+static int snd_pcm_multi_hw_refine_cprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_access_mask_t access_mask;
+ int err;
+ snd_pcm_access_mask_any(&access_mask);
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_CHANNELS,
+ multi->channels_count, 0);
+ if (err < 0)
+ return err;
+ params->info = ~0U;
+ return 0;
+}
+
+static int snd_pcm_multi_hw_refine_sprepare(snd_pcm_t *pcm, unsigned int slave_idx,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_multi_slave_t *slave = &multi->slaves[slave_idx];
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_param_set(sparams, SND_PCM_HW_PARAM_CHANNELS,
+ slave->channels_count, 0);
+ return 0;
+}
+
+static int snd_pcm_multi_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ unsigned int slave_idx ATTRIBUTE_UNUSED,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ const snd_pcm_access_mask_t *access_mask = snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
+ if (!snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_RW_INTERLEAVED) &&
+ !snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_RW_NONINTERLEAVED) &&
+ !snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED)) {
+ snd_pcm_access_mask_t saccess_mask;
+ snd_pcm_access_mask_any(&saccess_mask);
+ snd_pcm_access_mask_reset(&saccess_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ err = _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ if (err < 0)
+ return err;
+ }
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_multi_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ unsigned int slave_idx ATTRIBUTE_UNUSED,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ snd_pcm_access_mask_t access_mask;
+ const snd_pcm_access_mask_t *saccess_mask = snd_pcm_hw_param_get_mask(sparams, SND_PCM_HW_PARAM_ACCESS);
+ snd_pcm_access_mask_any(&access_mask);
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ if (!snd_pcm_access_mask_test(saccess_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED))
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ if (!snd_pcm_access_mask_test(saccess_mask, SND_PCM_ACCESS_MMAP_COMPLEX) &&
+ !snd_pcm_access_mask_test(saccess_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED))
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_COMPLEX);
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ params->info &= sparams->info;
+ return 0;
+}
+
+static int snd_pcm_multi_hw_refine_slave(snd_pcm_t *pcm,
+ unsigned int slave_idx,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[slave_idx].pcm;
+ return snd_pcm_hw_refine(slave, sparams);
+}
+
+static int snd_pcm_multi_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int k;
+ snd_pcm_hw_params_t sparams[multi->slaves_count];
+ int err;
+ unsigned int cmask, changed;
+ err = snd_pcm_multi_hw_refine_cprepare(pcm, params);
+ if (err < 0)
+ return err;
+ for (k = 0; k < multi->slaves_count; ++k) {
+ err = snd_pcm_multi_hw_refine_sprepare(pcm, k, &sparams[k]);
+ if (err < 0) {
+ SNDERR("Slave PCM #%d not usable", k);
+ return err;
+ }
+ }
+ do {
+ cmask = params->cmask;
+ params->cmask = 0;
+ for (k = 0; k < multi->slaves_count; ++k) {
+ err = snd_pcm_multi_hw_refine_schange(pcm, k, params, &sparams[k]);
+ if (err >= 0)
+ err = snd_pcm_multi_hw_refine_slave(pcm, k, &sparams[k]);
+ if (err < 0) {
+ snd_pcm_multi_hw_refine_cchange(pcm, k, params, &sparams[k]);
+ return err;
+ }
+ err = snd_pcm_multi_hw_refine_cchange(pcm, k, params, &sparams[k]);
+ if (err < 0)
+ return err;
+ }
+ err = snd_pcm_hw_refine_soft(pcm, params);
+ changed = params->cmask;
+ params->cmask |= cmask;
+ if (err < 0)
+ return err;
+ } while (changed);
+ return 0;
+}
+
+static int snd_pcm_multi_hw_params_slave(snd_pcm_t *pcm,
+ unsigned int slave_idx,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[slave_idx].pcm;
+ int err = snd_pcm_hw_params(slave, sparams);
+ if (err < 0)
+ return err;
+ err = snd_pcm_areas_silence(slave->running_areas, 0, slave->channels, slave->buffer_size, slave->format);
+ if (err < 0)
+ return err;
+ if (slave->stopped_areas) {
+ err = snd_pcm_areas_silence(slave->stopped_areas, 0, slave->channels, slave->buffer_size, slave->format);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+/* reset links to the normal state
+ * slave #0 = trigger master
+ * slave #1-(N-1) = trigger slaves, linked is set to #0
+ */
+static void reset_links(snd_pcm_multi_t *multi)
+{
+ unsigned int i;
+
+ for (i = 0; i < multi->slaves_count; ++i) {
+ if (multi->slaves[i].linked)
+ snd_pcm_unlink(multi->slaves[i].linked);
+ multi->slaves[0].linked = NULL;
+ if (! i)
+ continue;
+ if (snd_pcm_link(multi->slaves[0].pcm, multi->slaves[i].pcm) >= 0)
+ multi->slaves[i].linked = multi->slaves[0].pcm;
+ }
+}
+
+static int snd_pcm_multi_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ snd_pcm_hw_params_t sparams[multi->slaves_count];
+ int err;
+ for (i = 0; i < multi->slaves_count; ++i) {
+ err = snd_pcm_multi_hw_refine_sprepare(pcm, i, &sparams[i]);
+ assert(err >= 0);
+ err = snd_pcm_multi_hw_refine_schange(pcm, i, params, &sparams[i]);
+ assert(err >= 0);
+ err = snd_pcm_multi_hw_params_slave(pcm, i, &sparams[i]);
+ if (err < 0) {
+ snd_pcm_multi_hw_refine_cchange(pcm, i, params, &sparams[i]);
+ return err;
+ }
+ }
+ reset_links(multi);
+ return 0;
+}
+
+static int snd_pcm_multi_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ int err = 0;
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_t *slave = multi->slaves[i].pcm;
+ int e = snd_pcm_hw_free(slave);
+ if (e < 0)
+ err = e;
+ if (!multi->slaves[i].linked)
+ continue;
+ e = snd_pcm_unlink(slave);
+ if (e < 0)
+ err = e;
+ multi->slaves[i].linked = NULL;
+ }
+ return err;
+}
+
+static int snd_pcm_multi_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ int err;
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_t *slave = multi->slaves[i].pcm;
+ err = snd_pcm_sw_params(slave, params);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_multi_status(snd_pcm_t *pcm, snd_pcm_status_t *status)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_status(slave, status);
+}
+
+static snd_pcm_state_t snd_pcm_multi_state(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_state(slave);
+}
+
+static int snd_pcm_multi_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_hwsync(slave);
+}
+
+static int snd_pcm_multi_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_delay(slave, delayp);
+}
+
+static snd_pcm_sframes_t snd_pcm_multi_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_sframes_t ret = LONG_MAX;
+ unsigned int i;
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_sframes_t avail;
+ avail = snd_pcm_avail_update(multi->slaves[i].pcm);
+ if (avail < 0)
+ return avail;
+ if (ret > avail)
+ ret = avail;
+ }
+ return ret;
+}
+
+static int snd_pcm_multi_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_htimestamp(slave, avail, tstamp);
+}
+
+static int snd_pcm_multi_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int result = 0, err;
+ unsigned int i;
+ for (i = 0; i < multi->slaves_count; ++i) {
+ /* We call prepare to each slave even if it's linked.
+ * This is to make sure to sync non-mmaped control/status.
+ */
+ err = snd_pcm_prepare(multi->slaves[i].pcm);
+ if (err < 0)
+ result = err;
+ }
+ return result;
+}
+
+static int snd_pcm_multi_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int result = 0, err;
+ unsigned int i;
+ for (i = 0; i < multi->slaves_count; ++i) {
+ /* Reset each slave, as well as in prepare */
+ err = snd_pcm_reset(multi->slaves[i].pcm);
+ if (err < 0)
+ result = err;
+ }
+ return result;
+}
+
+/* when the first slave PCM is linked, it means that the whole multi
+ * plugin instance is linked manually to another PCM. in this case,
+ * we need to trigger the master.
+ */
+static int snd_pcm_multi_start(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int err = 0;
+ unsigned int i;
+ if (multi->slaves[0].linked)
+ return snd_pcm_start(multi->slaves[0].linked);
+ for (i = 0; i < multi->slaves_count; ++i) {
+ if (multi->slaves[i].linked)
+ continue;
+ err = snd_pcm_start(multi->slaves[i].pcm);
+ if (err < 0)
+ return err;
+ }
+ return err;
+}
+
+static int snd_pcm_multi_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int err = 0;
+ unsigned int i;
+ if (multi->slaves[0].linked)
+ return snd_pcm_drop(multi->slaves[0].linked);
+ for (i = 0; i < multi->slaves_count; ++i) {
+ if (multi->slaves[i].linked)
+ continue;
+ err = snd_pcm_drop(multi->slaves[i].pcm);
+ if (err < 0)
+ return err;
+ }
+ return err;
+}
+
+static int snd_pcm_multi_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int err = 0;
+ unsigned int i;
+ if (multi->slaves[0].linked)
+ return snd_pcm_drain(multi->slaves[0].linked);
+ for (i = 0; i < multi->slaves_count; ++i) {
+ if (multi->slaves[i].linked)
+ continue;
+ err = snd_pcm_drain(multi->slaves[i].pcm);
+ if (err < 0)
+ return err;
+ }
+ return err;
+}
+
+static int snd_pcm_multi_pause(snd_pcm_t *pcm, int enable)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int err = 0;
+ unsigned int i;
+ if (multi->slaves[0].linked)
+ return snd_pcm_pause(multi->slaves[0].linked, enable);
+ for (i = 0; i < multi->slaves_count; ++i) {
+ if (multi->slaves[i].linked)
+ continue;
+ err = snd_pcm_pause(multi->slaves[i].pcm, enable);
+ if (err < 0)
+ return err;
+ }
+ return err;
+}
+
+static int snd_pcm_multi_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int channel = info->channel;
+ snd_pcm_multi_channel_t *c = &multi->channels[channel];
+ int err;
+ if (c->slave_idx < 0)
+ return -ENXIO;
+ info->channel = c->slave_channel;
+ err = snd_pcm_channel_info(multi->slaves[c->slave_idx].pcm, info);
+ info->channel = channel;
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_multi_rewindable(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ snd_pcm_sframes_t frames = LONG_MAX;
+
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_sframes_t f = snd_pcm_rewindable(multi->slaves[i].pcm);
+ if (f <= 0)
+ return f;
+ if (f < frames)
+ frames = f;
+ }
+
+ return frames;
+
+}
+
+static snd_pcm_sframes_t snd_pcm_multi_forwardable(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ snd_pcm_sframes_t frames = LONG_MAX;
+
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_sframes_t f = snd_pcm_forwardable(multi->slaves[i].pcm);
+ if (f <= 0)
+ return f;
+ if (f < frames)
+ frames = f;
+ }
+
+ return frames;
+
+}
+
+static snd_pcm_sframes_t snd_pcm_multi_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ snd_pcm_uframes_t pos[multi->slaves_count];
+ memset(pos, 0, sizeof(pos));
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_t *slave_i = multi->slaves[i].pcm;
+ snd_pcm_sframes_t f = snd_pcm_rewind(slave_i, frames);
+ if (f < 0)
+ return f;
+ pos[i] = f;
+ frames = f;
+ }
+ /* Realign the pointers */
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_t *slave_i = multi->slaves[i].pcm;
+ snd_pcm_uframes_t f = pos[i] - frames;
+ snd_pcm_sframes_t result;
+ if (f > 0) {
+ result = INTERNAL(snd_pcm_forward)(slave_i, f);
+ if (result < 0)
+ return result;
+ if ((snd_pcm_uframes_t)result != f)
+ return -EIO;
+ }
+ }
+ return frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_multi_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ snd_pcm_uframes_t pos[multi->slaves_count];
+ memset(pos, 0, sizeof(pos));
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_t *slave_i = multi->slaves[i].pcm;
+ snd_pcm_sframes_t f = INTERNAL(snd_pcm_forward)(slave_i, frames);
+ if (f < 0)
+ return f;
+ pos[i] = f;
+ frames = f;
+ }
+ /* Realign the pointers */
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_t *slave_i = multi->slaves[i].pcm;
+ snd_pcm_uframes_t f = pos[i] - frames;
+ snd_pcm_sframes_t result;
+ if (f > 0) {
+ result = snd_pcm_rewind(slave_i, f);
+ if (result < 0)
+ return result;
+ if ((snd_pcm_uframes_t)result != f)
+ return -EIO;
+ }
+ }
+ return frames;
+}
+
+static int snd_pcm_multi_resume(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ int err = 0;
+ unsigned int i;
+ if (multi->slaves[0].linked)
+ return snd_pcm_resume(multi->slaves[0].linked);
+ for (i = 0; i < multi->slaves_count; ++i) {
+ if (multi->slaves[i].linked)
+ continue;
+ err = snd_pcm_resume(multi->slaves[i].pcm);
+ if (err < 0)
+ return err;
+ }
+ return err;
+}
+
+/* if a multi plugin instance is linked as slaves, every slave PCMs
+ * including the first one has to be relinked to the given master.
+ */
+static int snd_pcm_multi_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+ int err;
+
+ for (i = 0; i < multi->slaves_count; ++i) {
+ snd_pcm_unlink(multi->slaves[i].pcm);
+ multi->slaves[i].linked = NULL;
+ err = snd_pcm_link(master, multi->slaves[i].pcm);
+ if (err < 0) {
+ reset_links(multi);
+ return err;
+ }
+ multi->slaves[i].linked = master;
+ }
+ return 0;
+}
+
+/* linking to a multi as a master is easy - simply link to the first
+ * slave element as its own slaves are already linked.
+ */
+static int snd_pcm_multi_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
+{
+ snd_pcm_multi_t *multi = pcm1->private_data;
+ if (multi->slaves[0].pcm->fast_ops->link)
+ return multi->slaves[0].pcm->fast_ops->link(multi->slaves[0].pcm, pcm2);
+ return -ENOSYS;
+}
+
+static int snd_pcm_multi_unlink(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int i;
+
+ for (i = 0; i < multi->slaves_count; ++i) {
+ if (multi->slaves[i].linked)
+ snd_pcm_unlink(multi->slaves[i].linked);
+ multi->slaves[0].linked = NULL;
+ }
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_multi_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave;
+ unsigned int i;
+ snd_pcm_sframes_t result;
+
+ for (i = 0; i < multi->slaves_count; ++i) {
+ slave = multi->slaves[i].pcm;
+ result = snd_pcm_mmap_commit(slave, offset, size);
+ if (result < 0)
+ return result;
+ if ((snd_pcm_uframes_t)result != size)
+ return -EIO;
+ }
+ return size;
+}
+
+static int snd_pcm_multi_munmap(snd_pcm_t *pcm)
+{
+ free(pcm->mmap_channels);
+ free(pcm->running_areas);
+ pcm->mmap_channels = NULL;
+ pcm->running_areas = NULL;
+ return 0;
+}
+
+static int snd_pcm_multi_mmap(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int c;
+
+ pcm->mmap_channels = calloc(pcm->channels,
+ sizeof(pcm->mmap_channels[0]));
+ pcm->running_areas = calloc(pcm->channels,
+ sizeof(pcm->running_areas[0]));
+ if (!pcm->mmap_channels || !pcm->running_areas) {
+ snd_pcm_multi_munmap(pcm);
+ return -ENOMEM;
+ }
+
+ /* Copy the slave mmapped buffer data */
+ for (c = 0; c < pcm->channels; c++) {
+ snd_pcm_multi_channel_t *chan = &multi->channels[c];
+ snd_pcm_t *slave;
+ if (chan->slave_idx < 0) {
+ snd_pcm_multi_munmap(pcm);
+ return -ENXIO;
+ }
+ slave = multi->slaves[chan->slave_idx].pcm;
+ pcm->mmap_channels[c] =
+ slave->mmap_channels[chan->slave_channel];
+ pcm->mmap_channels[c].channel = c;
+ pcm->running_areas[c] =
+ slave->running_areas[chan->slave_channel];
+ }
+ return 0;
+}
+
+static int snd_pcm_multi_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail ATTRIBUTE_UNUSED)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_t *slave = multi->slaves[multi->master_slave].pcm;
+ return snd_pcm_may_wait_for_avail_min(slave, snd_pcm_mmap_avail(slave));
+}
+
+static snd_pcm_chmap_query_t **snd_pcm_multi_query_chmaps(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_chmap_query_t **slave_maps[multi->slaves_count];
+ snd_pcm_chmap_query_t **maps;
+ unsigned int i;
+ int err = -ENOMEM;
+
+ memset(slave_maps, 0, sizeof(slave_maps));
+ maps = calloc(2, sizeof(*maps));
+ if (!maps)
+ return NULL;
+ maps[0] = calloc(multi->channels_count + 2, sizeof(int *));
+ if (!maps[0])
+ goto error;
+ maps[0]->type = SND_CHMAP_TYPE_FIXED;
+ maps[0]->map.channels = multi->channels_count;
+
+ for (i = 0; i < multi->slaves_count; i++) {
+ slave_maps[i] = snd_pcm_query_chmaps(multi->slaves[i].pcm);
+ if (!slave_maps[i])
+ goto error;
+ }
+
+ for (i = 0; i < multi->channels_count; i++) {
+ snd_pcm_multi_channel_t *bind = &multi->channels[i];
+ unsigned int slave_channels =
+ multi->slaves[bind->slave_idx].channels_count;
+ snd_pcm_chmap_query_t **p;
+
+ for (p = slave_maps[bind->slave_idx]; *p; p++) {
+ if ((*p)->map.channels == slave_channels) {
+ maps[0]->map.pos[i] =
+ (*p)->map.pos[bind->slave_channel];
+ break;
+ }
+ }
+ }
+ err = 0;
+
+ error:
+ for (i = 0; i < multi->slaves_count; i++) {
+ if (slave_maps[i])
+ snd_pcm_free_chmaps(slave_maps[i]);
+ }
+
+ if (err) {
+ snd_pcm_free_chmaps(maps);
+ return NULL;
+ }
+
+ return maps;
+}
+
+static snd_pcm_chmap_t *snd_pcm_multi_get_chmap(snd_pcm_t *pcm)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_chmap_t *map;
+ snd_pcm_chmap_t *slave_maps[multi->slaves_count];
+ unsigned int i;
+ int err = -ENOMEM;
+
+ memset(slave_maps, 0, sizeof(slave_maps));
+ map = calloc(multi->channels_count + 1, sizeof(int));
+ if (!map)
+ return NULL;
+
+ for (i = 0; i < multi->slaves_count; i++) {
+ slave_maps[i] = snd_pcm_get_chmap(multi->slaves[i].pcm);
+ if (!slave_maps[i])
+ goto error;
+ }
+
+ map->channels = multi->channels_count;
+ for (i = 0; i < multi->channels_count; i++) {
+ snd_pcm_multi_channel_t *bind = &multi->channels[i];
+ map->pos[i] = slave_maps[bind->slave_idx]->pos[bind->slave_channel];
+ }
+ err = 0;
+
+ error:
+ for (i = 0; i < multi->slaves_count; i++)
+ free(slave_maps[i]);
+
+ if (err) {
+ free(map);
+ return NULL;
+ }
+
+ return map;
+}
+
+static int snd_pcm_multi_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ snd_pcm_chmap_t *slave_maps[multi->slaves_count];
+ unsigned int i;
+ int err = 0;
+
+ if (map->channels != multi->channels_count)
+ return -EINVAL;
+
+ for (i = 0; i < multi->slaves_count; i++) {
+ slave_maps[i] = calloc(multi->slaves[i].channels_count + 1,
+ sizeof(int));
+ if (!slave_maps[i]) {
+ err = -ENOMEM;
+ goto error;
+ }
+ }
+
+ for (i = 0; i < multi->channels_count; i++) {
+ snd_pcm_multi_channel_t *bind = &multi->channels[i];
+ slave_maps[bind->slave_idx]->pos[bind->slave_channel] =
+ map->pos[i];
+ }
+
+ for (i = 0; i < multi->slaves_count; i++) {
+ err = snd_pcm_set_chmap(multi->slaves[i].pcm, slave_maps[i]);
+ if (err < 0)
+ goto error;
+ }
+
+ error:
+ for (i = 0; i < multi->slaves_count; i++)
+ free(slave_maps[i]);
+
+ return err;
+}
+
+static void snd_pcm_multi_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_multi_t *multi = pcm->private_data;
+ unsigned int k;
+ snd_output_printf(out, "Multi PCM\n");
+ snd_output_printf(out, " Channel bindings:\n");
+ for (k = 0; k < multi->channels_count; ++k) {
+ snd_pcm_multi_channel_t *c = &multi->channels[k];
+ if (c->slave_idx < 0)
+ continue;
+ snd_output_printf(out, " %d: slave %d, channel %d\n",
+ k, c->slave_idx, c->slave_channel);
+ }
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ for (k = 0; k < multi->slaves_count; ++k) {
+ snd_output_printf(out, "Slave #%d: ", k);
+ snd_pcm_dump(multi->slaves[k].pcm, out);
+ }
+}
+
+static const snd_pcm_ops_t snd_pcm_multi_ops = {
+ .close = snd_pcm_multi_close,
+ .info = snd_pcm_multi_info,
+ .hw_refine = snd_pcm_multi_hw_refine,
+ .hw_params = snd_pcm_multi_hw_params,
+ .hw_free = snd_pcm_multi_hw_free,
+ .sw_params = snd_pcm_multi_sw_params,
+ .channel_info = snd_pcm_multi_channel_info,
+ .dump = snd_pcm_multi_dump,
+ .nonblock = snd_pcm_multi_nonblock,
+ .async = snd_pcm_multi_async,
+ .mmap = snd_pcm_multi_mmap,
+ .munmap = snd_pcm_multi_munmap,
+ .query_chmaps = snd_pcm_multi_query_chmaps,
+ .get_chmap = snd_pcm_multi_get_chmap,
+ .set_chmap = snd_pcm_multi_set_chmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_multi_fast_ops = {
+ .status = snd_pcm_multi_status,
+ .state = snd_pcm_multi_state,
+ .hwsync = snd_pcm_multi_hwsync,
+ .delay = snd_pcm_multi_delay,
+ .prepare = snd_pcm_multi_prepare,
+ .reset = snd_pcm_multi_reset,
+ .start = snd_pcm_multi_start,
+ .drop = snd_pcm_multi_drop,
+ .drain = snd_pcm_multi_drain,
+ .pause = snd_pcm_multi_pause,
+ .writei = snd_pcm_mmap_writei,
+ .writen = snd_pcm_mmap_writen,
+ .readi = snd_pcm_mmap_readi,
+ .readn = snd_pcm_mmap_readn,
+ .rewindable = snd_pcm_multi_rewindable,
+ .rewind = snd_pcm_multi_rewind,
+ .forwardable = snd_pcm_multi_forwardable,
+ .forward = snd_pcm_multi_forward,
+ .resume = snd_pcm_multi_resume,
+ .link = snd_pcm_multi_link,
+ .link_slaves = snd_pcm_multi_link_slaves,
+ .unlink = snd_pcm_multi_unlink,
+ .avail_update = snd_pcm_multi_avail_update,
+ .mmap_commit = snd_pcm_multi_mmap_commit,
+ .htimestamp = snd_pcm_multi_htimestamp,
+ .poll_descriptors_count = snd_pcm_multi_poll_descriptors_count,
+ .poll_descriptors = snd_pcm_multi_poll_descriptors,
+ .poll_revents = snd_pcm_multi_poll_revents,
+ .may_wait_for_avail_min = snd_pcm_multi_may_wait_for_avail_min,
+};
+
+/**
+ * \brief Creates a new Multi PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param slaves_count Count of slaves
+ * \param master_slave Master slave number
+ * \param slaves_pcm Array with slave PCMs
+ * \param schannels_count Array with slave channel counts
+ * \param channels_count Count of channels
+ * \param sidxs Array with channels indexes to slaves
+ * \param schannels Array with slave channels
+ * \param close_slaves When set, the slave PCM handle is closed
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_multi_open(snd_pcm_t **pcmp, const char *name,
+ unsigned int slaves_count, unsigned int master_slave,
+ snd_pcm_t **slaves_pcm, unsigned int *schannels_count,
+ unsigned int channels_count,
+ int *sidxs, unsigned int *schannels,
+ int close_slaves)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_multi_t *multi;
+ unsigned int i;
+ snd_pcm_stream_t stream;
+ char slave_map[64][64] = { { 0 } };
+ int err;
+
+ assert(pcmp);
+ assert(slaves_count > 0 && slaves_pcm && schannels_count);
+ assert(channels_count > 0 && sidxs && schannels);
+ assert(master_slave < slaves_count);
+
+ multi = calloc(1, sizeof(snd_pcm_multi_t));
+ if (!multi) {
+ return -ENOMEM;
+ }
+
+ stream = slaves_pcm[0]->stream;
+
+ multi->slaves_count = slaves_count;
+ multi->master_slave = master_slave;
+ multi->slaves = calloc(slaves_count, sizeof(*multi->slaves));
+ if (!multi->slaves) {
+ free(multi);
+ return -ENOMEM;
+ }
+ multi->channels_count = channels_count;
+ multi->channels = calloc(channels_count, sizeof(*multi->channels));
+ if (!multi->channels) {
+ free(multi->slaves);
+ free(multi);
+ return -ENOMEM;
+ }
+ for (i = 0; i < slaves_count; ++i) {
+ snd_pcm_multi_slave_t *slave = &multi->slaves[i];
+ assert(slaves_pcm[i]->stream == stream);
+ slave->pcm = slaves_pcm[i];
+ slave->channels_count = schannels_count[i];
+ slave->close_slave = close_slaves;
+ }
+ for (i = 0; i < channels_count; ++i) {
+ snd_pcm_multi_channel_t *bind = &multi->channels[i];
+ assert(sidxs[i] < (int)slaves_count);
+ assert(schannels[i] < schannels_count[sidxs[i]]);
+ bind->slave_idx = sidxs[i];
+ bind->slave_channel = schannels[i];
+ if (sidxs[i] < 0)
+ continue;
+ assert(!slave_map[sidxs[i]][schannels[i]]);
+ slave_map[sidxs[i]][schannels[i]] = 1;
+ }
+ multi->channels_count = channels_count;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_MULTI, name, stream,
+ multi->slaves[0].pcm->mode);
+ if (err < 0) {
+ free(multi->slaves);
+ free(multi->channels);
+ free(multi);
+ return err;
+ }
+ pcm->mmap_rw = 1;
+ pcm->mmap_shadow = 1; /* has own mmap method */
+ pcm->ops = &snd_pcm_multi_ops;
+ pcm->fast_ops = &snd_pcm_multi_fast_ops;
+ pcm->private_data = multi;
+ pcm->poll_fd = multi->slaves[master_slave].pcm->poll_fd;
+ pcm->poll_events = multi->slaves[master_slave].pcm->poll_events;
+ pcm->tstamp_type = multi->slaves[master_slave].pcm->tstamp_type;
+ snd_pcm_link_hw_ptr(pcm, multi->slaves[master_slave].pcm);
+ snd_pcm_link_appl_ptr(pcm, multi->slaves[master_slave].pcm);
+ *pcmp = pcm;
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_multi Plugin: Multiple streams to One
+
+This plugin converts multiple streams to one.
+
+\code
+pcm.name {
+ type multi # Multiple streams conversion PCM
+ slaves { # Slaves definition
+ ID STR # Slave PCM name
+ # or
+ ID {
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ channels INT # Slave channels
+ }
+ }
+ bindings { # Bindings table
+ N {
+ slave STR # Slave key
+ channel INT # Slave channel
+ }
+ }
+ [master INT] # Define the master slave
+}
+\endcode
+
+For example, to bind two PCM streams with two-channel stereo (hw:0,0 and
+hw:0,1) as one 4-channel stereo PCM stream, define like this:
+\code
+pcm.quad {
+ type multi
+
+ slaves.a.pcm "hw:0,0"
+ slaves.a.channels 2
+ slaves.b.pcm "hw:0,1"
+ slaves.b.channels 2
+
+ bindings.0.slave a
+ bindings.0.channel 0
+ bindings.1.slave a
+ bindings.1.channel 1
+ bindings.2.slave b
+ bindings.2.channel 0
+ bindings.3.slave b
+ bindings.3.channel 1
+}
+\endcode
+Note that the resultant pcm "quad" is not in the interleaved format
+but in the "complex" format. Hence, it's not accessible by applications
+which can handle only the interleaved (or the non-interleaved) format.
+In such a case, wrap this PCM with \ref pcm_plugins_route "route" or
+\ref pcm_plugins_plug "plug" plugin.
+\code
+pcm.quad2 {
+ type route
+ slave.pcm "quad"
+ ttable.0.0 1
+ ttable.1.1 1
+ ttable.2.2 1
+ ttable.3.3 1
+}
+\endcode
+
+\subsection pcm_plugins_multi_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_multi_open()
+ <LI>_snd_pcm_multi_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Multi PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with Multi PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_multi_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, inext, j, jnext;
+ snd_config_t *slaves = NULL;
+ snd_config_t *bindings = NULL;
+ int err;
+ unsigned int idx;
+ const char **slaves_id = NULL;
+ snd_config_t **slaves_conf = NULL;
+ snd_pcm_t **slaves_pcm = NULL;
+ unsigned int *slaves_channels = NULL;
+ int *channels_sidx = NULL;
+ unsigned int *channels_schannel = NULL;
+ unsigned int slaves_count = 0;
+ long master_slave = 0;
+ unsigned int channels_count = 0;
+ snd_config_for_each(i, inext, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slaves") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ slaves = n;
+ continue;
+ }
+ if (strcmp(id, "bindings") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ bindings = n;
+ continue;
+ }
+ if (strcmp(id, "master") == 0) {
+ if (snd_config_get_integer(n, &master_slave) < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slaves) {
+ SNDERR("slaves is not defined");
+ return -EINVAL;
+ }
+ if (!bindings) {
+ SNDERR("bindings is not defined");
+ return -EINVAL;
+ }
+ snd_config_for_each(i, inext, slaves) {
+ ++slaves_count;
+ }
+ if (master_slave < 0 || master_slave >= (long)slaves_count) {
+ SNDERR("Master slave is out of range (0-%u)\n", slaves_count-1);
+ return -EINVAL;
+ }
+ snd_config_for_each(i, inext, bindings) {
+ long cchannel;
+ snd_config_t *m = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(m, &id) < 0)
+ continue;
+ err = safe_strtol(id, &cchannel);
+ if (err < 0 || cchannel < 0) {
+ SNDERR("Invalid channel number: %s", id);
+ return -EINVAL;
+ }
+ if ((unsigned long)cchannel >= channels_count)
+ channels_count = cchannel + 1;
+ }
+ if (channels_count == 0) {
+ SNDERR("No channels defined");
+ return -EINVAL;
+ }
+ slaves_id = calloc(slaves_count, sizeof(*slaves_id));
+ slaves_conf = calloc(slaves_count, sizeof(*slaves_conf));
+ slaves_pcm = calloc(slaves_count, sizeof(*slaves_pcm));
+ slaves_channels = calloc(slaves_count, sizeof(*slaves_channels));
+ channels_sidx = calloc(channels_count, sizeof(*channels_sidx));
+ channels_schannel = calloc(channels_count, sizeof(*channels_schannel));
+ if (!slaves_id || !slaves_conf || !slaves_pcm || !slaves_channels ||
+ !channels_sidx || !channels_schannel) {
+ err = -ENOMEM;
+ goto _free;
+ }
+ idx = 0;
+ for (idx = 0; idx < channels_count; ++idx)
+ channels_sidx[idx] = -1;
+ idx = 0;
+ snd_config_for_each(i, inext, slaves) {
+ snd_config_t *m = snd_config_iterator_entry(i);
+ const char *id;
+ int channels;
+ if (snd_config_get_id(m, &id) < 0)
+ continue;
+ slaves_id[idx] = id;
+ err = snd_pcm_slave_conf(root, m, &slaves_conf[idx], 1,
+ SND_PCM_HW_PARAM_CHANNELS, SCONF_MANDATORY, &channels);
+ if (err < 0)
+ goto _free;
+ slaves_channels[idx] = channels;
+ ++idx;
+ }
+
+ snd_config_for_each(i, inext, bindings) {
+ snd_config_t *m = snd_config_iterator_entry(i);
+ long cchannel = -1;
+ long schannel = -1;
+ int slave = -1;
+ long val;
+ const char *str;
+ const char *id;
+ if (snd_config_get_id(m, &id) < 0)
+ continue;
+ err = safe_strtol(id, &cchannel);
+ if (err < 0 || cchannel < 0) {
+ SNDERR("Invalid channel number: %s", id);
+ err = -EINVAL;
+ goto _free;
+ }
+ snd_config_for_each(j, jnext, m) {
+ snd_config_t *n = snd_config_iterator_entry(j);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ char buf[32];
+ unsigned int k;
+ err = snd_config_get_string(n, &str);
+ if (err < 0) {
+ err = snd_config_get_integer(n, &val);
+ if (err < 0) {
+ SNDERR("Invalid value for %s", id);
+ goto _free;
+ }
+ sprintf(buf, "%ld", val);
+ str = buf;
+ }
+ for (k = 0; k < slaves_count; ++k) {
+ if (strcmp(slaves_id[k], str) == 0)
+ slave = k;
+ }
+ continue;
+ }
+ if (strcmp(id, "channel") == 0) {
+ err = snd_config_get_integer(n, &schannel);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _free;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _free;
+ }
+ if (slave < 0 || (unsigned int)slave >= slaves_count) {
+ SNDERR("Invalid or missing sidx for channel %s", id);
+ err = -EINVAL;
+ goto _free;
+ }
+ if (schannel < 0 ||
+ (unsigned int) schannel >= slaves_channels[slave]) {
+ SNDERR("Invalid or missing schannel for channel %s", id);
+ err = -EINVAL;
+ goto _free;
+ }
+ channels_sidx[cchannel] = slave;
+ channels_schannel[cchannel] = schannel;
+ }
+
+ for (idx = 0; idx < slaves_count; ++idx) {
+ err = snd_pcm_open_slave(&slaves_pcm[idx], root,
+ slaves_conf[idx], stream, mode,
+ conf);
+ if (err < 0)
+ goto _free;
+ snd_config_delete(slaves_conf[idx]);
+ slaves_conf[idx] = NULL;
+ }
+ err = snd_pcm_multi_open(pcmp, name, slaves_count, master_slave,
+ slaves_pcm, slaves_channels,
+ channels_count,
+ channels_sidx, channels_schannel,
+ 1);
+_free:
+ if (err < 0) {
+ for (idx = 0; idx < slaves_count; ++idx) {
+ if (slaves_pcm[idx])
+ snd_pcm_close(slaves_pcm[idx]);
+ }
+ }
+ if (slaves_conf) {
+ for (idx = 0; idx < slaves_count; ++idx) {
+ if (slaves_conf[idx])
+ snd_config_delete(slaves_conf[idx]);
+ }
+ free(slaves_conf);
+ }
+ free(slaves_pcm);
+ free(slaves_channels);
+ free(channels_sidx);
+ free(channels_schannel);
+ free(slaves_id);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_multi_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_null.c b/src/pcm/pcm_null.c
new file mode 100644
index 0000000..0529820
--- /dev/null
+++ b/src/pcm/pcm_null.c
@@ -0,0 +1,494 @@
+/**
+ * \file pcm/pcm_null.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Null Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Null plugin
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include <limits.h>
+#include <sys/shm.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_null = "";
+#endif
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ snd_htimestamp_t trigger_tstamp;
+ snd_pcm_state_t state;
+ snd_pcm_uframes_t appl_ptr;
+ snd_pcm_uframes_t hw_ptr;
+ int poll_fd;
+ snd_pcm_chmap_query_t **chmap;
+} snd_pcm_null_t;
+#endif
+
+static int snd_pcm_null_close(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ close(null->poll_fd);
+ free(null);
+ return 0;
+}
+
+static int snd_pcm_null_nonblock(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int nonblock ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_null_async(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int sig ATTRIBUTE_UNUSED, pid_t pid ATTRIBUTE_UNUSED)
+{
+ return -ENOSYS;
+}
+
+static int snd_pcm_null_info(snd_pcm_t *pcm, snd_pcm_info_t * info)
+{
+ memset(info, 0, sizeof(*info));
+ info->stream = pcm->stream;
+ info->card = -1;
+ if (pcm->name) {
+ strncpy((char *)info->id, pcm->name, sizeof(info->id));
+ strncpy((char *)info->name, pcm->name, sizeof(info->name));
+ strncpy((char *)info->subname, pcm->name, sizeof(info->subname));
+ }
+ info->subdevices_count = 1;
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_null_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ if (null->state == SND_PCM_STATE_PREPARED) {
+ /* it is required to return the correct avail count for */
+ /* the prepared stream, otherwise the start is not called */
+ return snd_pcm_mmap_avail(pcm);
+ }
+ return pcm->buffer_size;
+}
+
+static int snd_pcm_null_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ memset(status, 0, sizeof(*status));
+ status->state = null->state;
+ status->trigger_tstamp = null->trigger_tstamp;
+ gettimestamp(&status->tstamp, pcm->tstamp_type);
+ status->avail = snd_pcm_null_avail_update(pcm);
+ status->avail_max = pcm->buffer_size;
+ return 0;
+}
+
+static snd_pcm_state_t snd_pcm_null_state(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ return null->state;
+}
+
+static int snd_pcm_null_hwsync(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_null_delay(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sframes_t *delayp)
+{
+ *delayp = 0;
+ return 0;
+}
+
+static int snd_pcm_null_reset(snd_pcm_t *pcm)
+{
+ *pcm->appl.ptr = 0;
+ *pcm->hw.ptr = 0;
+ return 0;
+}
+
+static int snd_pcm_null_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ null->state = SND_PCM_STATE_PREPARED;
+ return snd_pcm_null_reset(pcm);
+}
+
+static int snd_pcm_null_start(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ assert(null->state == SND_PCM_STATE_PREPARED);
+ null->state = SND_PCM_STATE_RUNNING;
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE)
+ *pcm->hw.ptr = *pcm->appl.ptr + pcm->buffer_size;
+ else
+ *pcm->hw.ptr = *pcm->appl.ptr;
+ return 0;
+}
+
+static int snd_pcm_null_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ assert(null->state != SND_PCM_STATE_OPEN);
+ null->state = SND_PCM_STATE_SETUP;
+ return 0;
+}
+
+static int snd_pcm_null_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ assert(null->state != SND_PCM_STATE_OPEN);
+ null->state = SND_PCM_STATE_SETUP;
+ return 0;
+}
+
+static int snd_pcm_null_pause(snd_pcm_t *pcm, int enable)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ if (enable) {
+ if (null->state != SND_PCM_STATE_RUNNING)
+ return -EBADFD;
+ null->state = SND_PCM_STATE_PAUSED;
+ } else {
+ if (null->state != SND_PCM_STATE_PAUSED)
+ return -EBADFD;
+ null->state = SND_PCM_STATE_RUNNING;
+ }
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_null_rewindable(snd_pcm_t *pcm)
+{
+ return pcm->buffer_size;
+}
+
+static snd_pcm_sframes_t snd_pcm_null_forwardable(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+
+static snd_pcm_sframes_t snd_pcm_null_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ switch (null->state) {
+ case SND_PCM_STATE_RUNNING:
+ snd_pcm_mmap_hw_backward(pcm, frames);
+ /* Fall through */
+ case SND_PCM_STATE_PREPARED:
+ snd_pcm_mmap_appl_backward(pcm, frames);
+ return frames;
+ default:
+ return -EBADFD;
+ }
+}
+
+static snd_pcm_sframes_t snd_pcm_null_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+ switch (null->state) {
+ case SND_PCM_STATE_RUNNING:
+ snd_pcm_mmap_hw_forward(pcm, frames);
+ /* Fall through */
+ case SND_PCM_STATE_PREPARED:
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ return frames;
+ default:
+ return -EBADFD;
+ }
+}
+
+static int snd_pcm_null_resume(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_null_xfer_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_mmap_appl_forward(pcm, size);
+ snd_pcm_mmap_hw_forward(pcm, size);
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_null_writei(snd_pcm_t *pcm, const void *buffer ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
+{
+ return snd_pcm_write_areas(pcm, NULL, 0, size, snd_pcm_null_xfer_areas);
+}
+
+static snd_pcm_sframes_t snd_pcm_null_writen(snd_pcm_t *pcm, void **bufs ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
+{
+ return snd_pcm_write_areas(pcm, NULL, 0, size, snd_pcm_null_xfer_areas);
+}
+
+static snd_pcm_sframes_t snd_pcm_null_readi(snd_pcm_t *pcm, void *buffer ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
+{
+ return snd_pcm_read_areas(pcm, NULL, 0, size, snd_pcm_null_xfer_areas);
+}
+
+static snd_pcm_sframes_t snd_pcm_null_readn(snd_pcm_t *pcm, void **bufs ATTRIBUTE_UNUSED, snd_pcm_uframes_t size)
+{
+ return snd_pcm_read_areas(pcm, NULL, 0, size, snd_pcm_null_xfer_areas);
+}
+
+static snd_pcm_sframes_t snd_pcm_null_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ return snd_pcm_null_forward(pcm, size);
+}
+
+static int snd_pcm_null_hw_refine(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ int err = snd_pcm_hw_refine_soft(pcm, params);
+ params->info = SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID |
+ SND_PCM_INFO_RESUME | SND_PCM_INFO_PAUSE;
+ params->fifo_size = 0;
+ return err;
+}
+
+static int snd_pcm_null_hw_params(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t * params ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_null_hw_free(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_null_sw_params(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t * params ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static snd_pcm_chmap_query_t **snd_pcm_null_query_chmaps(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+
+ if (null->chmap)
+ return _snd_pcm_copy_chmap_query(null->chmap);
+ return NULL;
+}
+
+static snd_pcm_chmap_t *snd_pcm_null_get_chmap(snd_pcm_t *pcm)
+{
+ snd_pcm_null_t *null = pcm->private_data;
+
+ if (null->chmap)
+ return _snd_pcm_choose_fixed_chmap(pcm, null->chmap);
+ return NULL;
+}
+
+static void snd_pcm_null_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_output_printf(out, "Null PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+}
+
+static const snd_pcm_ops_t snd_pcm_null_ops = {
+ .close = snd_pcm_null_close,
+ .info = snd_pcm_null_info,
+ .hw_refine = snd_pcm_null_hw_refine,
+ .hw_params = snd_pcm_null_hw_params,
+ .hw_free = snd_pcm_null_hw_free,
+ .sw_params = snd_pcm_null_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_null_dump,
+ .nonblock = snd_pcm_null_nonblock,
+ .async = snd_pcm_null_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_null_query_chmaps,
+ .get_chmap = snd_pcm_null_get_chmap,
+ .set_chmap = NULL,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_null_fast_ops = {
+ .status = snd_pcm_null_status,
+ .state = snd_pcm_null_state,
+ .hwsync = snd_pcm_null_hwsync,
+ .delay = snd_pcm_null_delay,
+ .prepare = snd_pcm_null_prepare,
+ .reset = snd_pcm_null_reset,
+ .start = snd_pcm_null_start,
+ .drop = snd_pcm_null_drop,
+ .drain = snd_pcm_null_drain,
+ .pause = snd_pcm_null_pause,
+ .rewindable = snd_pcm_null_rewindable,
+ .rewind = snd_pcm_null_rewind,
+ .forwardable = snd_pcm_null_forwardable,
+ .forward = snd_pcm_null_forward,
+ .resume = snd_pcm_null_resume,
+ .writei = snd_pcm_null_writei,
+ .writen = snd_pcm_null_writen,
+ .readi = snd_pcm_null_readi,
+ .readn = snd_pcm_null_readn,
+ .avail_update = snd_pcm_null_avail_update,
+ .mmap_commit = snd_pcm_null_mmap_commit,
+ .htimestamp = snd_pcm_generic_real_htimestamp,
+};
+
+/**
+ * \brief Creates a new null PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_null_open(snd_pcm_t **pcmp, const char *name, snd_pcm_stream_t stream, int mode)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_null_t *null;
+ int fd;
+ int err;
+ assert(pcmp);
+ if (stream == SND_PCM_STREAM_PLAYBACK) {
+ fd = open("/dev/null", O_WRONLY);
+ if (fd < 0) {
+ SYSERR("Cannot open /dev/null");
+ return -errno;
+ }
+ } else {
+ fd = open("/dev/full", O_RDONLY);
+ if (fd < 0) {
+ SYSERR("Cannot open /dev/full");
+ return -errno;
+ }
+ }
+ null = calloc(1, sizeof(snd_pcm_null_t));
+ if (!null) {
+ close(fd);
+ return -ENOMEM;
+ }
+ null->poll_fd = fd;
+ null->state = SND_PCM_STATE_OPEN;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_NULL, name, stream, mode);
+ if (err < 0) {
+ close(fd);
+ free(null);
+ return err;
+ }
+ pcm->ops = &snd_pcm_null_ops;
+ pcm->fast_ops = &snd_pcm_null_fast_ops;
+ pcm->private_data = null;
+ pcm->poll_fd = fd;
+ pcm->poll_events = stream == SND_PCM_STREAM_PLAYBACK ? POLLOUT : POLLIN;
+ snd_pcm_set_hw_ptr(pcm, &null->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &null->appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_null Plugin: Null
+
+This plugin discards contents of a PCM stream or creates a stream with zero
+samples.
+
+Note: This implementation uses devices /dev/null (playback, must be writable)
+and /dev/full (capture, must be readable).
+
+\code
+pcm.name {
+ type null # Null PCM
+ [chmap MAP] # Provide channel maps; MAP is a string array
+}
+\endcode
+
+\subsection pcm_plugins_null_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_null_open()
+ <LI>_snd_pcm_null_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Null PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with Null PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_null_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ snd_pcm_null_t *null;
+ snd_pcm_chmap_query_t **chmap = NULL;
+ int err;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "chmap") == 0) {
+ snd_pcm_free_chmaps(chmap);
+ chmap = _snd_pcm_parse_config_chmaps(n);
+ if (!chmap) {
+ SNDERR("Invalid channel map for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ snd_pcm_free_chmaps(chmap);
+ return -EINVAL;
+ }
+ err = snd_pcm_null_open(pcmp, name, stream, mode);
+ if (err < 0) {
+ snd_pcm_free_chmaps(chmap);
+ return err;
+ }
+
+ null = (*pcmp)->private_data;
+ null->chmap = chmap;
+ return 0;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_null_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_params.c b/src/pcm/pcm_params.c
new file mode 100644
index 0000000..6e57904
--- /dev/null
+++ b/src/pcm/pcm_params.c
@@ -0,0 +1,2374 @@
+/*
+ * PCM - Params functions
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+
+#ifndef NDEBUG
+/*
+ * dump hw_params when $LIBASOUND_DEBUG is set to >= 1
+ */
+static void dump_hw_params(snd_pcm_hw_params_t *params, const char *type,
+ snd_pcm_hw_param_t var, unsigned int val, int err)
+{
+ const char *verbose = getenv("LIBASOUND_DEBUG");
+ snd_output_t *out;
+
+ if (! verbose || ! *verbose || atoi(verbose) < 1)
+ return;
+ if (snd_output_stdio_attach(&out, stderr, 0) < 0)
+ return;
+ fprintf(stderr, "ALSA ERROR hw_params: %s (%s)\n",
+ type, snd_pcm_hw_param_name(var));
+ fprintf(stderr, " value = ");
+ switch (var) {
+ case SND_PCM_HW_PARAM_ACCESS:
+ fprintf(stderr, "%s", snd_pcm_access_name(val));
+ break;
+ case SND_PCM_HW_PARAM_FORMAT:
+ fprintf(stderr, "%s", snd_pcm_format_name(val));
+ break;
+ case SND_PCM_HW_PARAM_SUBFORMAT:
+ fprintf(stderr, "%s", snd_pcm_subformat_name(val));
+ break;
+ default:
+ fprintf(stderr, "%u", val);
+ }
+ fprintf(stderr, " : %s\n", snd_strerror(err));
+ snd_pcm_hw_params_dump(params, out);
+ snd_output_close(out);
+}
+#else
+static inline void dump_hw_params(snd_pcm_hw_params_t *params, const char *type,
+ snd_pcm_hw_param_t var, unsigned int val, int err)
+{
+}
+#endif
+
+static inline int hw_is_mask(snd_pcm_hw_param_t var)
+{
+#if SND_PCM_HW_PARAM_FIRST_MASK == 0
+ return var <= SND_PCM_HW_PARAM_LAST_MASK;
+#else
+ return var >= SND_PCM_HW_PARAM_FIRST_MASK &&
+ var <= SND_PCM_HW_PARAM_LAST_MASK;
+#endif
+}
+
+static inline int hw_is_interval(snd_pcm_hw_param_t var)
+{
+ return var >= SND_PCM_HW_PARAM_FIRST_INTERVAL &&
+ var <= SND_PCM_HW_PARAM_LAST_INTERVAL;
+}
+
+#define hw_param_mask(params,var) \
+ &((params)->masks[(var) - SND_PCM_HW_PARAM_FIRST_MASK])
+
+#define hw_param_interval(params,var) \
+ &((params)->intervals[(var) - SND_PCM_HW_PARAM_FIRST_INTERVAL])
+
+#define hw_param_mask_c hw_param_mask
+#define hw_param_interval_c hw_param_interval
+
+static void _snd_pcm_hw_param_any(snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var)
+{
+ if (hw_is_mask(var)) {
+ snd_mask_any(hw_param_mask(params, var));
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ return;
+ }
+ if (hw_is_interval(var)) {
+ snd_interval_any(hw_param_interval(params, var));
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ return;
+ }
+ assert(0);
+}
+
+int snd_pcm_hw_param_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ _snd_pcm_hw_param_any(params, var);
+ return snd_pcm_hw_refine(pcm, params);
+}
+
+void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params)
+{
+ unsigned int k;
+ memset(params, 0, sizeof(*params));
+ for (k = SND_PCM_HW_PARAM_FIRST_MASK; k <= SND_PCM_HW_PARAM_LAST_MASK; k++)
+ _snd_pcm_hw_param_any(params, k);
+ for (k = SND_PCM_HW_PARAM_FIRST_INTERVAL; k <= SND_PCM_HW_PARAM_LAST_INTERVAL; k++)
+ _snd_pcm_hw_param_any(params, k);
+ params->rmask = ~0U;
+ params->cmask = 0;
+ params->info = ~0U;
+}
+
+/* Return the value for field PAR if it's fixed in configuration space
+ defined by PARAMS. Return -EINVAL otherwise
+*/
+int snd_pcm_hw_param_get(const snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir)
+{
+ if (hw_is_mask(var)) {
+ const snd_mask_t *mask = hw_param_mask_c(params, var);
+ if (snd_mask_empty(mask) || !snd_mask_single(mask))
+ return -EINVAL;
+ if (dir)
+ *dir = 0;
+ if (val)
+ *val = snd_mask_value(mask);
+ return 0;
+ } else if (hw_is_interval(var)) {
+ const snd_interval_t *i = hw_param_interval_c(params, var);
+ if (snd_interval_empty(i) || !snd_interval_single(i))
+ return -EINVAL;
+ if (dir)
+ *dir = i->openmin;
+ if (val)
+ *val = snd_interval_value(i);
+ return 0;
+ }
+ assert(0);
+ return -EINVAL;
+}
+
+/* Return the minimum value for field PAR. */
+int snd_pcm_hw_param_get_min(const snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir)
+{
+ if (hw_is_mask(var)) {
+ const snd_mask_t *m = hw_param_mask_c(params, var);
+ assert(!snd_mask_empty(m));
+ if (dir)
+ *dir = 0;
+ if (val)
+ *val = snd_mask_min(m);
+ return 0;
+ } else if (hw_is_interval(var)) {
+ const snd_interval_t *i = hw_param_interval_c(params, var);
+ assert(!snd_interval_empty(i));
+ if (dir)
+ *dir = i->openmin;
+ if (val)
+ *val = snd_interval_min(i);
+ return 0;
+ }
+ assert(0);
+ return 0;
+}
+
+/* Return the maximum value for field PAR. */
+int snd_pcm_hw_param_get_max(const snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir)
+{
+ if (hw_is_mask(var)) {
+ const snd_mask_t *m = hw_param_mask_c(params, var);
+ assert(!snd_mask_empty(m));
+ if (dir)
+ *dir = 0;
+ if (val)
+ *val = snd_mask_max(m);
+ return 0;
+ } else if (hw_is_interval(var)) {
+ const snd_interval_t *i = hw_param_interval_c(params, var);
+ assert(!snd_interval_empty(i));
+ if (dir)
+ *dir = - (int) i->openmax;
+ if (val)
+ *val = snd_interval_max(i);
+ return 0;
+ }
+ assert(0);
+ return 0;
+}
+
+/* Return the mask for field PAR.
+ This function can be called only for SND_PCM_HW_PARAM_ACCESS,
+ SND_PCM_HW_PARAM_FORMAT, SND_PCM_HW_PARAM_SUBFORMAT. */
+const snd_mask_t *snd_pcm_hw_param_get_mask(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ assert(hw_is_mask(var));
+ return hw_param_mask_c(params, var);
+}
+
+/* Return the interval for field PAR.
+ This function cannot be called for SND_PCM_HW_PARAM_ACCESS,
+ SND_PCM_HW_PARAM_FORMAT, SND_PCM_HW_PARAM_SUBFORMAT. */
+const snd_interval_t *snd_pcm_hw_param_get_interval(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ assert(hw_is_interval(var));
+ return hw_param_interval_c(params, var);
+}
+
+/* --- Refinement functions --- */
+
+int _snd_pcm_hw_param_set_interval(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_interval_t *val)
+{
+ int changed;
+ assert(hw_is_interval(var));
+ changed = snd_interval_refine(hw_param_interval(params, var), val);
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+void _snd_pcm_hw_param_set_empty(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ if (hw_is_mask(var)) {
+ snd_mask_none(hw_param_mask(params, var));
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ } else if (hw_is_interval(var)) {
+ snd_interval_none(hw_param_interval(params, var));
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ } else {
+ assert(0);
+ }
+}
+
+static int _snd_pcm_hw_param_set_integer(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ int changed;
+ assert(hw_is_interval(var));
+ changed = snd_interval_setinteger(hw_param_interval(params, var));
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/* Inside configuration space defined by PARAMS remove from PAR all
+ non integer values. Reduce configuration space accordingly.
+ Return -EINVAL if the configuration space is empty
+*/
+int snd_pcm_hw_param_set_integer(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var)
+{
+ snd_pcm_hw_params_t save;
+ int err;
+ switch (mode) {
+ case SND_CHANGE:
+ break;
+ case SND_TRY:
+ save = *params;
+ break;
+ case SND_TEST:
+ save = *params;
+ params = &save;
+ break;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+ err = _snd_pcm_hw_param_set_integer(params, var);
+ if (err < 0)
+ goto _fail;
+ if (params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ goto _fail;
+ }
+ return 0;
+ _fail:
+ if (mode == SND_TRY)
+ *params = save;
+ return err;
+}
+
+static int _snd_pcm_hw_param_set_first(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ int changed;
+ if (hw_is_mask(var))
+ changed = snd_mask_refine_first(hw_param_mask(params, var));
+ else if (hw_is_interval(var))
+ changed = snd_interval_refine_first(hw_param_interval(params, var));
+ else {
+ assert(0);
+ return -EINVAL;
+ }
+ if (changed > 0) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+
+/* Inside configuration space defined by PARAMS remove from PAR all
+ values > minimum. Reduce configuration space accordingly.
+ Return the minimum.
+*/
+int snd_pcm_hw_param_set_first(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int *rval, int *dir)
+{
+ int err;
+
+ err = _snd_pcm_hw_param_set_first(params, var);
+ if (err < 0)
+ return err;
+ if (params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_get(params, var, rval, dir);
+}
+
+static int _snd_pcm_hw_param_set_last(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ int changed;
+ if (hw_is_mask(var))
+ changed = snd_mask_refine_last(hw_param_mask(params, var));
+ else if (hw_is_interval(var))
+ changed = snd_interval_refine_last(hw_param_interval(params, var));
+ else {
+ assert(0);
+ return -EINVAL;
+ }
+ if (changed > 0) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+
+/* Inside configuration space defined by PARAMS remove from PAR all
+ values < maximum. Reduce configuration space accordingly.
+ Return the maximum.
+*/
+int snd_pcm_hw_param_set_last(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int *rval, int *dir)
+{
+ int err;
+
+ err = _snd_pcm_hw_param_set_last(params, var);
+ if (err < 0)
+ return err;
+ if (params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_get(params, var, rval, dir);
+}
+
+int _snd_pcm_hw_param_set_min(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int val, int dir)
+{
+ int changed;
+ int openmin = 0;
+ if (dir) {
+ if (dir > 0) {
+ openmin = 1;
+ } else if (dir < 0) {
+ if (val > 0) {
+ openmin = 1;
+ val--;
+ }
+ }
+ }
+ if (hw_is_mask(var))
+ changed = snd_mask_refine_min(hw_param_mask(params, var), val + !!openmin);
+ else if (hw_is_interval(var))
+ changed = snd_interval_refine_min(hw_param_interval(params, var), val, openmin);
+ else {
+ assert(0);
+ return -EINVAL;
+ }
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/* Inside configuration space defined by PARAMS remove from PAR all
+ values < VAL. Reduce configuration space accordingly.
+ Return new minimum or -EINVAL if the configuration space is empty
+*/
+int snd_pcm_hw_param_set_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var, unsigned int *val, int *dir)
+{
+ snd_pcm_hw_params_t save;
+ int err;
+ switch (mode) {
+ case SND_CHANGE:
+ break;
+ case SND_TRY:
+ save = *params;
+ break;
+ case SND_TEST:
+ save = *params;
+ params = &save;
+ break;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+ err = _snd_pcm_hw_param_set_min(params, var, *val, dir ? *dir : 0);
+ if (err < 0)
+ goto _fail;
+ if ((mode != SND_TEST || hw_is_interval(var)) && params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ goto _fail;
+ if (snd_pcm_hw_param_empty(params, var)) {
+ err = -ENOENT;
+ goto _fail;
+ }
+ }
+ return snd_pcm_hw_param_get_min(params, var, val, dir);
+ _fail:
+ if (mode == SND_TRY)
+ *params = save;
+ if (err < 0 && mode == SND_TRY)
+ dump_hw_params(params, "set_min", var, *val, err);
+ return err;
+}
+
+int _snd_pcm_hw_param_set_max(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int val, int dir)
+{
+ int changed;
+ int openmax = 0;
+ if (dir) {
+ if (dir < 0) {
+ openmax = 1;
+ } else if (dir > 0) {
+ openmax = 1;
+ val++;
+ }
+ }
+ if (hw_is_mask(var)) {
+ if (val == 0 && openmax) {
+ snd_mask_none(hw_param_mask(params, var));
+ changed = -EINVAL;
+ } else
+ changed = snd_mask_refine_max(hw_param_mask(params, var), val - !!openmax);
+ } else if (hw_is_interval(var))
+ changed = snd_interval_refine_max(hw_param_interval(params, var), val, openmax);
+ else {
+ assert(0);
+ return -EINVAL;
+ }
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/* Inside configuration space defined by PARAMS remove from PAR all
+ values >= VAL + 1. Reduce configuration space accordingly.
+ Return new maximum or -EINVAL if the configuration space is empty
+*/
+int snd_pcm_hw_param_set_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var, unsigned int *val, int *dir)
+{
+ snd_pcm_hw_params_t save;
+ int err;
+ switch (mode) {
+ case SND_CHANGE:
+ break;
+ case SND_TRY:
+ save = *params;
+ break;
+ case SND_TEST:
+ save = *params;
+ params = &save;
+ break;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+ err = _snd_pcm_hw_param_set_max(params, var, *val, dir ? *dir : 0);
+ if (err < 0)
+ goto _fail;
+ if ((mode != SND_TEST || hw_is_interval(var)) && params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ goto _fail;
+ if (snd_pcm_hw_param_empty(params, var)) {
+ err = -ENOENT;
+ goto _fail;
+ }
+ }
+ return snd_pcm_hw_param_get_max(params, var, val, dir);
+ _fail:
+ if (mode == SND_TRY)
+ *params = save;
+ if (err < 0 && mode == SND_TRY)
+ dump_hw_params(params, "set_max", var, *val, err);
+ return err;
+}
+
+int _snd_pcm_hw_param_set_minmax(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int min, int mindir,
+ unsigned int max, int maxdir)
+{
+ int changed, c1, c2;
+ int openmin = 0, openmax = 0;
+ if (mindir) {
+ if (mindir > 0) {
+ openmin = 1;
+ } else if (mindir < 0) {
+ if (min > 0) {
+ openmin = 1;
+ min--;
+ }
+ }
+ }
+ if (maxdir) {
+ if (maxdir < 0) {
+ openmax = 1;
+ } else if (maxdir > 0) {
+ openmax = 1;
+ max++;
+ }
+ }
+ if (hw_is_mask(var)) {
+ snd_mask_t *mask = hw_param_mask(params, var);
+ if (max == 0 && openmax) {
+ snd_mask_none(mask);
+ changed = -EINVAL;
+ } else {
+ c1 = snd_mask_refine_min(mask, min + !!openmin);
+ if (c1 < 0)
+ changed = c1;
+ else {
+ c2 = snd_mask_refine_max(mask, max - !!openmax);
+ if (c2 < 0)
+ changed = c2;
+ else
+ changed = (c1 || c2);
+ }
+ }
+ }
+ else if (hw_is_interval(var)) {
+ snd_interval_t *i = hw_param_interval(params, var);
+ c1 = snd_interval_refine_min(i, min, openmin);
+ if (c1 < 0)
+ changed = c1;
+ else {
+ c2 = snd_interval_refine_max(i, max, openmax);
+ if (c2 < 0)
+ changed = c2;
+ else
+ changed = (c1 || c2);
+ }
+ } else {
+ assert(0);
+ return -EINVAL;
+ }
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/* Inside configuration space defined by PARAMS remove from PAR all
+ values < MIN and all values > MAX. Reduce configuration space accordingly.
+ Return 0 or -EINVAL if the configuration space is empty
+*/
+int snd_pcm_hw_param_set_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var,
+ unsigned int *min, int *mindir,
+ unsigned int *max, int *maxdir)
+{
+ snd_pcm_hw_params_t save;
+ int err;
+ switch (mode) {
+ case SND_CHANGE:
+ break;
+ case SND_TRY:
+ save = *params;
+ break;
+ case SND_TEST:
+ save = *params;
+ params = &save;
+ break;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+ err = _snd_pcm_hw_param_set_minmax(params, var,
+ *min, mindir ? *mindir : 0,
+ *max, maxdir ? *maxdir : 0);
+ if (err < 0)
+ goto _fail;
+ if ((mode != SND_TEST || hw_is_interval(var)) && params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ goto _fail;
+ }
+ err = snd_pcm_hw_param_get_min(params, var, min, mindir);
+ if (err < 0)
+ return err;
+ return snd_pcm_hw_param_get_max(params, var, max, maxdir);
+ _fail:
+ if (mode == SND_TRY)
+ *params = save;
+ if (err < 0)
+ dump_hw_params(params, "set_minmax", var, *min, err);
+ return err;
+}
+
+int _snd_pcm_hw_param_set(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, unsigned int val, int dir)
+{
+ int changed;
+ if (hw_is_mask(var)) {
+ snd_mask_t *m = hw_param_mask(params, var);
+ if (val == 0 && dir < 0) {
+ changed = -EINVAL;
+ snd_mask_none(m);
+ } else {
+ if (dir > 0)
+ val++;
+ else if (dir < 0)
+ val--;
+ changed = snd_mask_refine_set(hw_param_mask(params, var), val);
+ }
+ } else if (hw_is_interval(var)) {
+ snd_interval_t *i = hw_param_interval(params, var);
+ if (val == 0 && dir < 0) {
+ changed = -EINVAL;
+ snd_interval_none(i);
+ } else if (dir == 0)
+ changed = snd_interval_refine_set(i, val);
+ else {
+ snd_interval_t t;
+ t.openmin = 1;
+ t.openmax = 1;
+ t.empty = 0;
+ t.integer = 0;
+ if (dir < 0) {
+ t.min = val - 1;
+ t.max = val;
+ } else {
+ t.min = val;
+ t.max = val+1;
+ }
+ changed = snd_interval_refine(i, &t);
+ }
+ } else {
+ assert(0);
+ return -EINVAL;
+ }
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/* Inside configuration space defined by PARAMS remove from PAR all
+ values != VAL. Reduce configuration space accordingly.
+ Return -EINVAL if the configuration space is empty
+*/
+int snd_pcm_hw_param_set(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var, unsigned int val, int dir)
+{
+ snd_pcm_hw_params_t save;
+ int err;
+ switch (mode) {
+ case SND_CHANGE:
+ break;
+ case SND_TRY:
+ save = *params;
+ break;
+ case SND_TEST:
+ save = *params;
+ params = &save;
+ break;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+ err = _snd_pcm_hw_param_set(params, var, val, dir);
+ if (err < 0)
+ goto _fail;
+ if ((mode != SND_TEST || hw_is_interval(var)) && params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ goto _fail;
+ }
+ return 0;
+ _fail:
+ if (mode == SND_TRY)
+ *params = save;
+ if (err < 0 && mode == SND_TRY)
+ dump_hw_params(params, "set", var, val, err);
+ return err;
+}
+
+int _snd_pcm_hw_param_set_mask(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, const snd_mask_t *val)
+{
+ int changed;
+ assert(hw_is_mask(var));
+ changed = snd_mask_refine(hw_param_mask(params, var), val);
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/* Inside configuration space defined by PARAMS remove from PAR all values
+ not contained in MASK. Reduce configuration space accordingly.
+ This function can be called only for SND_PCM_HW_PARAM_ACCESS,
+ SND_PCM_HW_PARAM_FORMAT, SND_PCM_HW_PARAM_SUBFORMAT.
+ Return 0 on success or -EINVAL
+ if the configuration space is empty
+*/
+int snd_pcm_hw_param_set_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_set_mode_t mode,
+ snd_pcm_hw_param_t var, const snd_mask_t *val)
+{
+ snd_pcm_hw_params_t save;
+ int err;
+ switch (mode) {
+ case SND_CHANGE:
+ break;
+ case SND_TRY:
+ save = *params;
+ break;
+ case SND_TEST:
+ save = *params;
+ params = &save;
+ break;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+ err = _snd_pcm_hw_param_set_mask(params, var, val);
+ if (err < 0)
+ goto _fail;
+ if (mode != SND_TEST && params->rmask) {
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ goto _fail;
+ }
+ return 0;
+ _fail:
+ if (mode == SND_TRY)
+ *params = save;
+ return err;
+}
+
+/* Inside configuration space defined by PARAMS set PAR to the available value
+ nearest to VAL. Reduce configuration space accordingly.
+ This function cannot be called for SND_PCM_HW_PARAM_ACCESS,
+ SND_PCM_HW_PARAM_FORMAT, SND_PCM_HW_PARAM_SUBFORMAT.
+ Return the value found.
+ */
+int snd_pcm_hw_param_set_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int *val, int *dir)
+{
+ snd_pcm_hw_params_t save;
+ int err;
+ unsigned int best = *val, saved_min;
+ int last = 0;
+ unsigned int min, max;
+ int mindir, maxdir;
+ int valdir = dir ? *dir : 0;
+ snd_interval_t *i;
+ /* FIXME */
+ if (best > INT_MAX)
+ best = INT_MAX;
+ min = max = best;
+ mindir = maxdir = valdir;
+ if (maxdir > 0)
+ maxdir = 0;
+ else if (maxdir == 0)
+ maxdir = -1;
+ else {
+ maxdir = 1;
+ max--;
+ }
+ save = *params;
+ saved_min = min;
+ err = snd_pcm_hw_param_set_min(pcm, params, SND_CHANGE, var, &min, &mindir);
+
+ i = hw_param_interval(params, var);
+ if (!snd_interval_empty(i) && snd_interval_single(i)) {
+ err = snd_pcm_hw_param_get_min(params, var, val, dir);
+ if (err < 0)
+ dump_hw_params(params, "set_near", var, *val, err);
+ return err;
+ }
+
+ if (err >= 0) {
+ snd_pcm_hw_params_t params1;
+ if (min == saved_min && mindir == valdir)
+ goto _end;
+ params1 = save;
+ err = snd_pcm_hw_param_set_max(pcm, ¶ms1, SND_CHANGE, var, &max, &maxdir);
+ if (err < 0)
+ goto _end;
+ if (boundary_nearer(max, maxdir, best, valdir, min, mindir)) {
+ *params = params1;
+ last = 1;
+ }
+ } else {
+ *params = save;
+ err = snd_pcm_hw_param_set_max(pcm, params, SND_CHANGE, var, &max, &maxdir);
+ if (err < 0) {
+ dump_hw_params(params, "set_near", var, *val, err);
+ return err;
+ }
+ last = 1;
+ }
+ _end:
+ if (last)
+ err = snd_pcm_hw_param_set_last(pcm, params, var, val, dir);
+ else
+ err = snd_pcm_hw_param_set_first(pcm, params, var, val, dir);
+ if (err < 0)
+ dump_hw_params(params, "set_near", var, *val, err);
+ return err;
+}
+
+#if 0
+/* Inside configuration space defined by PARAMS set PAR to the available value
+ nearest to BEST after VAL (on equal difference values less than BEST are
+ returned first).
+ Reduce configuration space accordingly.
+ This function cannot be called for SND_PCM_HW_PARAM_ACCESS,
+ SND_PCM_HW_PARAM_FORMAT, SND_PCM_HW_PARAM_SUBFORMAT.
+ Return the value found.
+ */
+int snd_pcm_hw_param_set_next(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int best, int bestdir,
+ unsigned int val, int *dir)
+{
+ snd_pcm_hw_params_t save;
+ int v, err;
+ int last = 0;
+ int min, max;
+ int mindir, maxdir;
+ int diff, diffdir;
+ int valdir = dir ? *dir : 0;
+ /* FIXME */
+ if (best > INT_MAX)
+ best = INT_MAX;
+ boundary_sub(val, valdir, best, bestdir, &diff, &diffdir);
+ if (diff < 0 || (diff == 0 && diffdir < 0)) {
+ min = best - diff;
+ mindir = bestdir - diffdir;
+ max = val;
+ maxdir = bestdir - 1;
+ } else {
+ min = val;
+ mindir = bestdir + 1;
+ max = best + diff;
+ maxdir = bestdir + diffdir + 1;
+ }
+ min += mindir / 2;
+ mindir %= 2;
+ max += maxdir / 2;
+ maxdir %= 2;
+ save = *params;
+ if (min >= 0 &&
+ (err = snd_pcm_hw_param_set_min(pcm, params, SND_CHANGE, var, &min, &mindir)) >= 0) {
+ snd_pcm_hw_params_t params1;
+ if (max < 0)
+ goto _end;
+ params1 = save;
+ err = snd_pcm_hw_param_set_max(pcm, ¶ms1, SND_CHANGE, var, &max, &maxdir);
+ if (err < 0)
+ goto _end;
+ if (boundary_nearer(max, maxdir, best, bestdir, min, mindir)) {
+ *params = params1;
+ last = 1;
+ }
+ } else {
+ if (max < 0)
+ return -EINVAL;
+ *params = save;
+ err = snd_pcm_hw_param_set_max(pcm, params, SND_CHANGE, var, &max, &maxdir);
+ if (err < 0)
+ return max;
+ last = 1;
+ }
+ _end:
+ if (last)
+ v = snd_pcm_hw_param_set_last(pcm, params, var, dir);
+ else
+ v = snd_pcm_hw_param_set_first(pcm, params, var, dir);
+ assert(v >= 0);
+ return v;
+}
+#endif
+
+static int snd_pcm_hw_param_set_near_minmax(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ unsigned int min, int *mindir,
+ unsigned int max, int *maxdir)
+{
+ snd_pcm_hw_params_t tmp;
+ int err;
+ if (!boundary_lt(min, *mindir, max, *maxdir))
+ return snd_pcm_hw_param_set_near(pcm, params, var, &min, mindir);
+ tmp = *params;
+ err = snd_pcm_hw_param_set_near(pcm, &tmp, var, &min, mindir);
+ if (err < 0)
+ return err;
+ if (boundary_lt(min, *mindir, max, *maxdir)) {
+ tmp = *params;
+ err = snd_pcm_hw_param_set_near(pcm, &tmp, var, &max, maxdir);
+ } else {
+ max = min;
+ *maxdir = *mindir;
+ }
+ err = snd_pcm_hw_param_set_minmax(pcm, params, SND_CHANGE, var, &min, mindir,
+ &max, maxdir);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+int snd_pcm_hw_param_refine_near(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *src)
+{
+ unsigned int min, max;
+ int mindir, maxdir, err;
+
+ if ((err = snd_pcm_hw_param_get_min(src, var, &min, &mindir)) < 0)
+ return err;
+ if ((err = snd_pcm_hw_param_get_max(src, var, &max, &maxdir)) < 0)
+ return err;
+ if ((err = snd_pcm_hw_param_set_near_minmax(pcm, params, var,
+ min, &mindir, max, &maxdir)) < 0)
+ return err;
+ return 0;
+}
+
+int snd_pcm_hw_param_refine_multiple(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *src)
+{
+ const snd_interval_t *it = hw_param_interval_c(src, var);
+ const snd_interval_t *st = hw_param_interval_c(params, var);
+ if (snd_interval_single(it)) {
+ unsigned int best = snd_interval_min(it), cur, prev;
+ cur = best;
+ for (;;) {
+ if (st->max < cur || (st->max == cur && st->openmax))
+ break;
+ if (it->min <= cur && ! (it->min == cur && st->openmin)) {
+ if (! snd_pcm_hw_param_set(pcm, params, SND_TRY, var, cur, 0))
+ return 0; /* ok */
+ }
+ prev = cur;
+ cur += best;
+ if (cur <= prev)
+ break;
+ }
+ }
+ return snd_pcm_hw_param_refine_near(pcm, params, var, src);
+}
+
+/* ---- end of refinement functions ---- */
+
+int snd_pcm_hw_param_empty(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ if (hw_is_mask(var))
+ return snd_mask_empty(hw_param_mask_c(params, var));
+ if (hw_is_interval(var))
+ return snd_interval_empty(hw_param_interval_c(params, var));
+ assert(0);
+ return -EINVAL;
+}
+
+int snd_pcm_hw_param_always_eq(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *params1)
+{
+ if (hw_is_mask(var))
+ return snd_mask_always_eq(hw_param_mask_c(params, var),
+ hw_param_mask_c(params1, var));
+ if (hw_is_interval(var))
+ return snd_interval_always_eq(hw_param_interval_c(params, var),
+ hw_param_interval_c(params1, var));
+ assert(0);
+ return -EINVAL;
+}
+
+int snd_pcm_hw_param_never_eq(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *params1)
+{
+ if (hw_is_mask(var))
+ return snd_mask_never_eq(hw_param_mask_c(params, var),
+ hw_param_mask_c(params1, var));
+ if (hw_is_interval(var))
+ return snd_interval_never_eq(hw_param_interval_c(params, var),
+ hw_param_interval_c(params1, var));
+ assert(0);
+ return -EINVAL;
+}
+
+#if 0
+#define CHOOSE_DEBUG
+#endif
+
+/* Choose one configuration from configuration space defined by PARAMS
+ The configuration chosen is that obtained fixing in this order:
+ first access
+ first format
+ first subformat
+ min channels
+ min rate
+ min period time
+ max buffer size
+ min tick time
+*/
+static int snd_pcm_hw_params_choose(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ int err;
+#ifdef CHOOSE_DEBUG
+ snd_output_t *log;
+ snd_output_stdio_attach(&log, stderr, 0);
+ snd_output_printf(log, "CHOOSE called:\n");
+ snd_pcm_hw_params_dump(params, log);
+#endif
+
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_ACCESS, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_FORMAT, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_SUBFORMAT, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_CHANNELS, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_RATE, NULL, 0);
+ if (err < 0)
+ return err;
+ if (pcm->minperiodtime > 0) {
+ unsigned int min, max;
+ int dir = 1;
+ err = snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_PERIOD_TIME, &min, &dir);
+ if (err >= 0)
+ err = snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_PERIOD_TIME, &max, &dir);
+ if (err >= 0 && (long)min < pcm->minperiodtime &&
+ (long)max > pcm->minperiodtime) {
+ min = pcm->minperiodtime; dir = 1;
+ snd_pcm_hw_param_set_min(pcm, params, SND_CHANGE, SND_PCM_HW_PARAM_PERIOD_TIME, &min, &dir);
+ }
+ }
+ if (pcm->compat) {
+ /* old mode */
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_PERIOD_TIME, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_PERIOD_SIZE, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_BUFFER_SIZE, NULL, 0);
+ if (err < 0)
+ return err;
+ } else {
+ /* determine buffer size first */
+ err = snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_BUFFER_SIZE, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_PERIOD_SIZE, NULL, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_PERIOD_TIME, NULL, 0);
+ if (err < 0)
+ return err;
+ }
+ err = snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_TICK_TIME, NULL, 0);
+ if (err < 0)
+ return err;
+#ifdef CHOOSE_DEBUG
+ snd_output_printf(log, "choose done\n");
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_close(log);
+#endif
+ return 0;
+}
+
+#if 0
+static unsigned int snd_pcm_hw_param_count(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var)
+{
+ if (hw_is_mask(var)) {
+ const snd_mask_t *mask = hw_param_mask_c(params, var);
+ return snd_mask_count(mask);
+ }
+ if (hw_is_interval(var)) {
+ const snd_interval_t *i = hw_param_interval_c(params, var);
+ return snd_interval_max(i) - snd_interval_min(i) + 1;
+ }
+ assert(0);
+ return 0;
+}
+#endif
+
+int _snd_pcm_hw_param_refine(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *src)
+{
+ int changed = 0;
+ if (hw_is_mask(var)) {
+ snd_mask_t *d = hw_param_mask(params, var);
+ const snd_mask_t *s = hw_param_mask_c(src, var);
+ changed = snd_mask_refine(d, s);
+ } else if (hw_is_interval(var)) {
+ snd_interval_t *d = hw_param_interval(params, var);
+ const snd_interval_t *s = hw_param_interval_c(src, var);
+ changed = snd_interval_refine(d, s);
+ } else
+ return 0; /* NOP / reserved */
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+#if 0
+static void _snd_pcm_hw_param_copy(snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var,
+ const snd_pcm_hw_params_t *src)
+{
+ if (hw_is_mask(var)) {
+ snd_mask_t *d = hw_param_mask(params, var);
+ const snd_mask_t *s = hw_param_mask_c(src, var);
+ snd_mask_copy(d, s);
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ return;
+ }
+ if (hw_is_interval(var)) {
+ snd_interval_t *d = hw_param_interval(params, var);
+ const snd_interval_t *s = hw_param_interval_c(src, var);
+ snd_interval_copy(d, s);
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ return;
+ }
+ assert(0);
+}
+#endif
+
+void snd_pcm_hw_param_dump(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var, snd_output_t *out)
+{
+ if (hw_is_mask(var)) {
+ const snd_mask_t *mask = hw_param_mask_c(params, var);
+ if (snd_mask_empty(mask))
+ snd_output_puts(out, " NONE");
+ else if (snd_mask_full(mask))
+ snd_output_puts(out, " ALL");
+ else {
+ unsigned int k;
+ for (k = 0; k <= SND_MASK_MAX; ++k) {
+ if (snd_mask_test(mask, k)) {
+ const char *s;
+ switch (var) {
+ case SND_PCM_HW_PARAM_ACCESS:
+ s = snd_pcm_access_name(k);
+ break;
+ case SND_PCM_HW_PARAM_FORMAT:
+ s = snd_pcm_format_name(k);
+ break;
+ case SND_PCM_HW_PARAM_SUBFORMAT:
+ s = snd_pcm_subformat_name(k);
+ break;
+ default:
+ assert(0);
+ s = NULL;
+ }
+ if (s) {
+ snd_output_putc(out, ' ');
+ snd_output_puts(out, s);
+ }
+ }
+ }
+ }
+ return;
+ }
+ if (hw_is_interval(var)) {
+ snd_interval_print(hw_param_interval_c(params, var), out);
+ return;
+ }
+ assert(0);
+}
+
+#define HW_PARAM(v) [SND_PCM_HW_PARAM_##v] = #v
+
+static const char *const snd_pcm_hw_param_names[] = {
+ HW_PARAM(ACCESS),
+ HW_PARAM(FORMAT),
+ HW_PARAM(SUBFORMAT),
+ HW_PARAM(SAMPLE_BITS),
+ HW_PARAM(FRAME_BITS),
+ HW_PARAM(CHANNELS),
+ HW_PARAM(RATE),
+ HW_PARAM(PERIOD_TIME),
+ HW_PARAM(PERIOD_SIZE),
+ HW_PARAM(PERIOD_BYTES),
+ HW_PARAM(PERIODS),
+ HW_PARAM(BUFFER_TIME),
+ HW_PARAM(BUFFER_SIZE),
+ HW_PARAM(BUFFER_BYTES),
+ HW_PARAM(TICK_TIME),
+};
+
+const char *snd_pcm_hw_param_name(snd_pcm_hw_param_t param)
+{
+ assert(param <= SND_PCM_HW_PARAM_LAST_INTERVAL);
+ return snd_pcm_hw_param_names[param];
+}
+
+#if 0
+/* Strategies */
+
+struct _snd_pcm_hw_strategy {
+ unsigned int badness_min, badness_max;
+ int (*choose_param)(const snd_pcm_hw_params_t *params,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_t *strategy);
+ int (*next_value)(snd_pcm_hw_params_t *params,
+ unsigned int param,
+ int value, int *dir,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_t *strategy);
+ int (*min_badness)(const snd_pcm_hw_params_t *params,
+ unsigned int max_badness,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_t *strategy);
+ void *private_data;
+ void (*free)(snd_pcm_hw_strategy_t *strategy);
+};
+
+/* Independent badness */
+typedef struct _snd_pcm_hw_strategy_simple snd_pcm_hw_strategy_simple_t;
+
+struct _snd_pcm_hw_strategy_simple {
+ int valid;
+ unsigned int order;
+ int (*next_value)(snd_pcm_hw_params_t *params,
+ unsigned int param,
+ int value, int *dir,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_simple_t *par);
+ unsigned int (*min_badness)(const snd_pcm_hw_params_t *params,
+ unsigned int param,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_simple_t *par);
+ void *private_data;
+ void (*free)(snd_pcm_hw_strategy_simple_t *strategy);
+};
+
+typedef struct _snd_pcm_hw_strategy_simple_near {
+ int best;
+ unsigned int mul;
+} snd_pcm_hw_strategy_simple_near_t;
+
+typedef struct _snd_pcm_hw_strategy_simple_choices {
+ unsigned int count;
+ /* choices need to be sorted on ascending badness */
+ snd_pcm_hw_strategy_simple_choices_list_t *choices;
+} snd_pcm_hw_strategy_simple_choices_t;
+
+int snd_pcm_hw_params_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_strategy_t *strategy,
+ unsigned int badness_min,
+ unsigned int badness_max)
+{
+ snd_pcm_hw_params_t best_params;
+ int var;
+ int value, dir;
+ unsigned int best_badness;
+ int badness = strategy->min_badness(params, badness_max, pcm, strategy);
+ snd_pcm_hw_params_t params1;
+#if 0
+ printf("\nBadness: %d\n", badness);
+ snd_pcm_hw_params_dump(params, stdout);
+#endif
+ if (badness < 0)
+ return badness;
+ if ((unsigned int)badness > badness_min)
+ badness_min = badness_min;
+ var = strategy->choose_param(params, pcm, strategy);
+ if (var < 0)
+ return badness;
+ best_badness = UINT_MAX;
+ value = -1;
+ while (1) {
+ params1 = *params;
+ value = strategy->next_value(¶ms1, var, value, &dir, pcm, strategy);
+ if (value < 0)
+ break;
+ badness = snd_pcm_hw_params_strategy(pcm, ¶ms1, strategy, badness_min, badness_max);
+ if (badness >= 0) {
+ if ((unsigned int) badness <= badness_min) {
+ *params = params1;
+ return badness;
+ }
+ best_badness = badness;
+ best_params = params1;
+ badness_max = badness - 1;
+ }
+ }
+ if (best_badness == UINT_MAX) {
+ return -EINVAL;
+ }
+ *params = best_params;
+ return best_badness;
+}
+
+void snd_pcm_hw_strategy_simple_free(snd_pcm_hw_strategy_t *strategy)
+{
+ snd_pcm_hw_strategy_simple_t *pars = strategy->private_data;
+ int k;
+ for (k = 0; k <= SND_PCM_HW_PARAM_LAST_INTERVAL; ++k) {
+ if (pars[k].valid && pars[k].free)
+ pars[k].free(&pars[k]);
+ }
+ free(pars);
+}
+
+int snd_pcm_hw_strategy_simple_choose_param(const snd_pcm_hw_params_t *params,
+ snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ const snd_pcm_hw_strategy_t *strategy)
+{
+ snd_pcm_hw_param_t var;
+ int best_var = -1;
+ const snd_pcm_hw_strategy_simple_t *pars = strategy->private_data;
+ unsigned int min_choices = UINT_MAX;
+ unsigned int min_order = UINT_MAX;
+ for (var = 0; var <= SND_PCM_HW_PARAM_LAST_INTERVAL; ++var) {
+ const snd_pcm_hw_strategy_simple_t *p = &pars[var];
+ unsigned int choices;
+ if (!p->valid)
+ continue;
+ choices = snd_pcm_hw_param_count(params, var);
+ if (choices == 1)
+ continue;
+ assert(choices != 0);
+ if (p->order < min_order ||
+ (p->order == min_order &&
+ choices < min_choices)) {
+ min_order = p->order;
+ min_choices = choices;
+ best_var = var;
+ }
+ }
+ return best_var;
+}
+
+int snd_pcm_hw_strategy_simple_next_value(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ int value, int *dir,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_t *strategy)
+{
+ const snd_pcm_hw_strategy_simple_t *pars = strategy->private_data;
+ assert(pars[var].valid);
+ return pars[var].next_value(params, var, value, dir, pcm, &pars[var]);
+}
+
+
+int snd_pcm_hw_strategy_simple_min_badness(const snd_pcm_hw_params_t *params,
+ unsigned int max_badness,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_t *strategy)
+{
+ snd_pcm_hw_param_t var;
+ unsigned int badness = 0;
+ const snd_pcm_hw_strategy_simple_t *pars = strategy->private_data;
+ for (var = 0; var <= SND_PCM_HW_PARAM_LAST_INTERVAL; ++var) {
+ unsigned int b;
+ if (!pars[var].valid)
+ continue;
+ b = pars[var].min_badness(params, var, pcm, &pars[var]);
+ if (b > max_badness || max_badness - b < badness)
+ return -E2BIG;
+ badness += b;
+ }
+ return badness;
+}
+
+
+void snd_pcm_hw_strategy_simple_near_free(snd_pcm_hw_strategy_simple_t *par)
+{
+ snd_pcm_hw_strategy_simple_near_t *p = par->private_data;
+ free(p);
+}
+
+unsigned int snd_pcm_hw_strategy_simple_near_min_badness(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_simple_t *par)
+{
+ const snd_pcm_hw_strategy_simple_near_t *p = par->private_data;
+ snd_pcm_hw_params_t params1 = *params;
+ int value = snd_pcm_hw_param_set_near(pcm, ¶ms1, var, p->best, 0);
+ int diff;
+ assert(value >= 0);
+ diff = p->best - value;
+ if (diff < 0)
+ diff = -diff;
+ return diff * p->mul;
+}
+
+int snd_pcm_hw_strategy_simple_near_next_value(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ int value, int *dir,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_simple_t *par)
+{
+ const snd_pcm_hw_strategy_simple_near_t *p = par->private_data;
+ if (value < 0) {
+ *dir = 0;
+ return snd_pcm_hw_param_set_near(pcm, params, var, p->best, dir);
+ } else
+ return snd_pcm_hw_param_set_next(pcm, params, var, p->best, 0, value, dir);
+}
+
+void snd_pcm_hw_strategy_simple_choices_free(snd_pcm_hw_strategy_simple_t *par)
+{
+ snd_pcm_hw_strategy_simple_choices_t *p = par->private_data;
+// free(p->choices);
+ free(p);
+}
+
+unsigned int snd_pcm_hw_strategy_simple_choices_min_badness(const snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_simple_t *par)
+{
+ const snd_pcm_hw_strategy_simple_choices_t *p = par->private_data;
+ unsigned int k;
+ for (k = 0; k < p->count; ++k) {
+ if (snd_pcm_hw_param_set(pcm, (snd_pcm_hw_params_t *) params, SND_TEST, var, p->choices[k].value, 0))
+ return p->choices[k].badness;
+ }
+ assert(0);
+ return UINT_MAX;
+}
+
+int snd_pcm_hw_strategy_simple_choices_next_value(snd_pcm_hw_params_t *params,
+ snd_pcm_hw_param_t var,
+ int value, int *dir,
+ snd_pcm_t *pcm,
+ const snd_pcm_hw_strategy_simple_t *par)
+{
+ const snd_pcm_hw_strategy_simple_choices_t *p = par->private_data;
+ unsigned int k = 0;
+ if (value >= 0) {
+ for (; k < p->count; ++k) {
+ if (p->choices[k].value == (unsigned int) value) {
+ k++;
+ break;
+ }
+ }
+ }
+ for (; k < p->count; ++k) {
+ unsigned int v = p->choices[k].value;
+ int err = snd_pcm_hw_param_set(pcm, params, SND_TRY, var, v, 0);
+ if (err < 0)
+ continue;
+ *dir = 0;
+ return v;
+ }
+ return -1;
+}
+
+void snd_pcm_hw_strategy_free(snd_pcm_hw_strategy_t *strategy)
+{
+ if (strategy->free)
+ strategy->free(strategy);
+ free(strategy);
+}
+
+int snd_pcm_hw_strategy_simple(snd_pcm_hw_strategy_t **strategyp,
+ unsigned int badness_min,
+ unsigned int badness_max)
+{
+ snd_pcm_hw_strategy_simple_t *data;
+ snd_pcm_hw_strategy_t *s;
+ assert(strategyp);
+ data = calloc(SND_PCM_HW_PARAM_LAST_INTERVAL + 1, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+ s = calloc(1, sizeof(*s));
+ if (!s) {
+ free(data);
+ return -ENOMEM;
+ }
+ s->choose_param = snd_pcm_hw_strategy_simple_choose_param;
+ s->next_value = snd_pcm_hw_strategy_simple_next_value;
+ s->min_badness = snd_pcm_hw_strategy_simple_min_badness;
+ s->badness_min = badness_min;
+ s->badness_max = badness_max;
+ s->private_data = data;
+ s->free = snd_pcm_hw_strategy_simple_free;
+ *strategyp = s;
+ return 0;
+}
+
+int snd_pcm_hw_strategy_simple_near(snd_pcm_hw_strategy_t *strategy,
+ int order,
+ snd_pcm_hw_param_t var,
+ unsigned int best,
+ unsigned int mul)
+{
+ snd_pcm_hw_strategy_simple_t *s = strategy->private_data;
+ snd_pcm_hw_strategy_simple_near_t *data;
+ assert(strategy);
+ assert(var <= SND_PCM_HW_PARAM_LAST_INTERVAL);
+ assert(!s->valid);
+ data = calloc(1, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+ data->best = best;
+ data->mul = mul;
+ s += var;
+ s->order = order;
+ s->valid = 1;
+ s->next_value = snd_pcm_hw_strategy_simple_near_next_value;
+ s->min_badness = snd_pcm_hw_strategy_simple_near_min_badness;
+ s->private_data = data;
+ s->free = snd_pcm_hw_strategy_simple_near_free;
+ return 0;
+}
+
+int snd_pcm_hw_strategy_simple_choices(snd_pcm_hw_strategy_t *strategy,
+ int order,
+ snd_pcm_hw_param_t var,
+ unsigned int count,
+ snd_pcm_hw_strategy_simple_choices_list_t *choices)
+{
+ snd_pcm_hw_strategy_simple_t *s = strategy->private_data;
+ snd_pcm_hw_strategy_simple_choices_t *data;
+ assert(strategy);
+ assert(var <= SND_PCM_HW_PARAM_LAST_INTERVAL);
+ assert(!s->valid);
+ data = calloc(1, sizeof(*data));
+ if (!data)
+ return -ENOMEM;
+ data->count = count;
+ data->choices = choices;
+ s += var;
+ s->valid = 1;
+ s->order = order;
+ s->next_value = snd_pcm_hw_strategy_simple_choices_next_value;
+ s->min_badness = snd_pcm_hw_strategy_simple_choices_min_badness;
+ s->private_data = data;
+ s->free = snd_pcm_hw_strategy_simple_choices_free;
+ return 0;
+}
+
+int snd_pcm_hw_params_try_explain_failure1(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *fail,
+ snd_pcm_hw_params_t *success,
+ unsigned int depth,
+ snd_output_t *out)
+{
+ snd_pcm_hw_param_t var;
+ snd_pcm_hw_params_t i;
+ if (depth < 1)
+ return -ENOENT;
+ for (var = 0; var <= SND_PCM_HW_PARAM_LAST_INTERVAL; var++) {
+ int err;
+ i = *success;
+ _snd_pcm_hw_param_copy(&i, var, fail);
+ err = snd_pcm_hw_refine(pcm, &i);
+ if (err == 0 &&
+ snd_pcm_hw_params_try_explain_failure1(pcm, fail, &i, depth - 1, out) < 0)
+ continue;
+ snd_output_printf(out, "%s: ", snd_pcm_hw_param_name(var));
+ snd_pcm_hw_param_dump(fail, var, out);
+ snd_output_putc(out, '\n');
+ return 0;
+ }
+ return -ENOENT;
+}
+
+int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *fail,
+ snd_pcm_hw_params_t *success,
+ unsigned int depth,
+ snd_output_t *out)
+{
+ snd_pcm_hw_params_t i, any;
+ int err;
+ snd_pcm_hw_param_t var;
+ int done = 0;
+ assert(pcm && fail);
+ for (var = 0; var <= SND_PCM_HW_PARAM_LAST_INTERVAL; var++) {
+ if (!snd_pcm_hw_param_empty(fail, var))
+ continue;
+ snd_output_printf(out, "%s is empty\n", snd_pcm_hw_param_name(var));
+ done = 1;
+ }
+ if (done)
+ return 0;
+ i = *fail;
+ err = snd_pcm_hw_refine(pcm, &i);
+ if (err == 0) {
+ snd_output_printf(out, "Configuration is virtually correct\n");
+ return 0;
+ }
+ if (!success) {
+ snd_pcm_hw_params_any(pcm, &any);
+ success = &any;
+ }
+ return snd_pcm_hw_params_try_explain_failure1(pcm, fail, success, depth, out);
+}
+
+#endif
+
+typedef struct _snd_pcm_hw_rule snd_pcm_hw_rule_t;
+
+typedef int (*snd_pcm_hw_rule_func_t)(snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_rule_t *rule);
+
+struct _snd_pcm_hw_rule {
+ int var;
+ snd_pcm_hw_rule_func_t func;
+ int deps[4];
+ void *private_data;
+};
+
+static int snd_pcm_hw_rule_mul(snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_rule_t *rule)
+{
+ snd_interval_t t;
+ snd_interval_mul(hw_param_interval_c(params, rule->deps[0]),
+ hw_param_interval_c(params, rule->deps[1]), &t);
+ return snd_interval_refine(hw_param_interval(params, rule->var), &t);
+}
+
+static int snd_pcm_hw_rule_div(snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_rule_t *rule)
+{
+ snd_interval_t t;
+ snd_interval_div(hw_param_interval_c(params, rule->deps[0]),
+ hw_param_interval_c(params, rule->deps[1]), &t);
+ return snd_interval_refine(hw_param_interval(params, rule->var), &t);
+}
+
+static int snd_pcm_hw_rule_muldivk(snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_rule_t *rule)
+{
+ snd_interval_t t;
+ snd_interval_muldivk(hw_param_interval_c(params, rule->deps[0]),
+ hw_param_interval_c(params, rule->deps[1]),
+ (unsigned long) rule->private_data, &t);
+ return snd_interval_refine(hw_param_interval(params, rule->var), &t);
+}
+
+static int snd_pcm_hw_rule_mulkdiv(snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_rule_t *rule)
+{
+ snd_interval_t t;
+ snd_interval_mulkdiv(hw_param_interval_c(params, rule->deps[0]),
+ (unsigned long) rule->private_data,
+ hw_param_interval_c(params, rule->deps[1]), &t);
+ return snd_interval_refine(hw_param_interval(params, rule->var), &t);
+}
+
+static int snd_pcm_hw_rule_format(snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_rule_t *rule)
+{
+ int changed = 0;
+ snd_pcm_format_t k;
+ snd_mask_t *mask = hw_param_mask(params, rule->var);
+ snd_interval_t *i = hw_param_interval(params, rule->deps[0]);
+ for (k = 0; k <= SND_PCM_FORMAT_LAST; k++) {
+ int bits;
+ if (!snd_pcm_format_mask_test(mask, k))
+ continue;
+ bits = snd_pcm_format_physical_width(k);
+ if (bits < 0)
+ continue;
+ if (!snd_interval_test(i, (unsigned int) bits)) {
+ snd_pcm_format_mask_reset(mask, k);
+ if (snd_mask_empty(mask))
+ return -EINVAL;
+ changed = 1;
+ }
+ }
+ return changed;
+}
+
+
+static int snd_pcm_hw_rule_sample_bits(snd_pcm_hw_params_t *params,
+ const snd_pcm_hw_rule_t *rule)
+{
+ unsigned int min, max;
+ snd_pcm_format_t k;
+ snd_interval_t *i = hw_param_interval(params, rule->var);
+ snd_mask_t *mask = hw_param_mask(params, rule->deps[0]);
+ int c, changed = 0;
+ min = UINT_MAX;
+ max = 0;
+ for (k = 0; k <= SND_PCM_FORMAT_LAST; k++) {
+ int bits;
+ if (!snd_pcm_format_mask_test(mask, k))
+ continue;
+ bits = snd_pcm_format_physical_width(k);
+ if (bits < 0)
+ continue;
+ if (min > (unsigned)bits)
+ min = bits;
+ if (max < (unsigned)bits)
+ max = bits;
+ }
+ c = snd_interval_refine_min(i, min, 0);
+ if (c < 0)
+ return c;
+ if (c)
+ changed = 1;
+ c = snd_interval_refine_max(i, max, 0);
+ if (c < 0)
+ return c;
+ if (c)
+ changed = 1;
+ return changed;
+}
+
+static const snd_pcm_hw_rule_t refine_rules[] = {
+ {
+ .var = SND_PCM_HW_PARAM_FORMAT,
+ .func = snd_pcm_hw_rule_format,
+ .deps = { SND_PCM_HW_PARAM_SAMPLE_BITS, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_SAMPLE_BITS,
+ .func = snd_pcm_hw_rule_sample_bits,
+ .deps = { SND_PCM_HW_PARAM_FORMAT,
+ SND_PCM_HW_PARAM_SAMPLE_BITS, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_SAMPLE_BITS,
+ .func = snd_pcm_hw_rule_div,
+ .deps = { SND_PCM_HW_PARAM_FRAME_BITS,
+ SND_PCM_HW_PARAM_CHANNELS, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_FRAME_BITS,
+ .func = snd_pcm_hw_rule_mul,
+ .deps = { SND_PCM_HW_PARAM_SAMPLE_BITS,
+ SND_PCM_HW_PARAM_CHANNELS, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_FRAME_BITS,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_PERIOD_BYTES,
+ SND_PCM_HW_PARAM_PERIOD_SIZE, -1 },
+ .private_data = (void*) 8,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_FRAME_BITS,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_BYTES,
+ SND_PCM_HW_PARAM_BUFFER_SIZE, -1 },
+ .private_data = (void*) 8,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_CHANNELS,
+ .func = snd_pcm_hw_rule_div,
+ .deps = { SND_PCM_HW_PARAM_FRAME_BITS,
+ SND_PCM_HW_PARAM_SAMPLE_BITS, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_RATE,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_PERIOD_SIZE,
+ SND_PCM_HW_PARAM_PERIOD_TIME, -1 },
+ .private_data = (void*) 1000000,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_RATE,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_SIZE,
+ SND_PCM_HW_PARAM_BUFFER_TIME, -1 },
+ .private_data = (void*) 1000000,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_PERIODS,
+ .func = snd_pcm_hw_rule_div,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_SIZE,
+ SND_PCM_HW_PARAM_PERIOD_SIZE, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_PERIOD_SIZE,
+ .func = snd_pcm_hw_rule_div,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_SIZE,
+ SND_PCM_HW_PARAM_PERIODS, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_PERIOD_SIZE,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_PERIOD_BYTES,
+ SND_PCM_HW_PARAM_FRAME_BITS, -1 },
+ .private_data = (void*) 8,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_PERIOD_SIZE,
+ .func = snd_pcm_hw_rule_muldivk,
+ .deps = { SND_PCM_HW_PARAM_PERIOD_TIME,
+ SND_PCM_HW_PARAM_RATE, -1 },
+ .private_data = (void*) 1000000,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_BUFFER_SIZE,
+ .func = snd_pcm_hw_rule_mul,
+ .deps = { SND_PCM_HW_PARAM_PERIOD_SIZE,
+ SND_PCM_HW_PARAM_PERIODS, -1 },
+ .private_data = 0,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_BUFFER_SIZE,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_BYTES,
+ SND_PCM_HW_PARAM_FRAME_BITS, -1 },
+ .private_data = (void*) 8,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_BUFFER_SIZE,
+ .func = snd_pcm_hw_rule_muldivk,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_TIME,
+ SND_PCM_HW_PARAM_RATE, -1 },
+ .private_data = (void*) 1000000,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_PERIOD_BYTES,
+ .func = snd_pcm_hw_rule_muldivk,
+ .deps = { SND_PCM_HW_PARAM_PERIOD_SIZE,
+ SND_PCM_HW_PARAM_FRAME_BITS, -1 },
+ .private_data = (void*) 8,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_BUFFER_BYTES,
+ .func = snd_pcm_hw_rule_muldivk,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_SIZE,
+ SND_PCM_HW_PARAM_FRAME_BITS, -1 },
+ .private_data = (void*) 8,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_PERIOD_TIME,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_PERIOD_SIZE,
+ SND_PCM_HW_PARAM_RATE, -1 },
+ .private_data = (void*) 1000000,
+ },
+ {
+ .var = SND_PCM_HW_PARAM_BUFFER_TIME,
+ .func = snd_pcm_hw_rule_mulkdiv,
+ .deps = { SND_PCM_HW_PARAM_BUFFER_SIZE,
+ SND_PCM_HW_PARAM_RATE, -1 },
+ .private_data = (void*) 1000000,
+ },
+};
+
+#define RULES (sizeof(refine_rules) / sizeof(refine_rules[0]))
+
+static const snd_mask_t refine_masks[SND_PCM_HW_PARAM_LAST_MASK - SND_PCM_HW_PARAM_FIRST_MASK + 1] = {
+ [SND_PCM_HW_PARAM_ACCESS - SND_PCM_HW_PARAM_FIRST_MASK] = {
+ .bits = { 0x1f },
+ },
+ [SND_PCM_HW_PARAM_FORMAT - SND_PCM_HW_PARAM_FIRST_MASK] = {
+ .bits = { 0x81ffffff, 0xfff},
+ },
+ [SND_PCM_HW_PARAM_SUBFORMAT - SND_PCM_HW_PARAM_FIRST_MASK] = {
+ .bits = { 0x1 },
+ },
+};
+
+static const snd_interval_t refine_intervals[SND_PCM_HW_PARAM_LAST_INTERVAL - SND_PCM_HW_PARAM_FIRST_INTERVAL + 1] = {
+ [SND_PCM_HW_PARAM_SAMPLE_BITS - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 1, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 1, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_FRAME_BITS - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 1, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 1, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_CHANNELS - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 1, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 1, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_RATE - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 1, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 0, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_PERIOD_TIME - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 0, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 0, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_PERIOD_SIZE - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 0, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 0, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_PERIOD_BYTES - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 0, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 0, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_PERIODS - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 0, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 0, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_BUFFER_TIME - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 1, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 0, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_BUFFER_SIZE - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 1, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 1, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_BUFFER_BYTES - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 1, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 1, .empty = 0,
+ },
+ [SND_PCM_HW_PARAM_TICK_TIME - SND_PCM_HW_PARAM_FIRST_INTERVAL] = {
+ .min = 0, .max = UINT_MAX,
+ .openmin = 0, .openmax = 0, .integer = 0, .empty = 0,
+ },
+};
+
+#if 0
+#define RULES_DEBUG
+#endif
+
+int snd_pcm_hw_refine_soft(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ unsigned int k;
+ snd_interval_t *i;
+ unsigned int rstamps[RULES];
+ unsigned int vstamps[SND_PCM_HW_PARAM_LAST_INTERVAL + 1];
+ unsigned int stamp = 2;
+ int changed, again;
+#ifdef RULES_DEBUG
+ snd_output_t *log;
+ snd_output_stdio_attach(&log, stderr, 0);
+ snd_output_printf(log, "refine_soft '%s' (begin)\n", pcm->name);
+ snd_pcm_hw_params_dump(params, log);
+#endif
+
+ for (k = SND_PCM_HW_PARAM_FIRST_MASK; k <= SND_PCM_HW_PARAM_LAST_MASK; k++) {
+ if (!(params->rmask & (1 << k)))
+ continue;
+ changed = snd_mask_refine(hw_param_mask(params, k),
+ &refine_masks[k - SND_PCM_HW_PARAM_FIRST_MASK]);
+ if (changed)
+ params->cmask |= 1 << k;
+ if (changed < 0)
+ goto _err;
+ }
+
+ for (k = SND_PCM_HW_PARAM_FIRST_INTERVAL; k <= SND_PCM_HW_PARAM_LAST_INTERVAL; k++) {
+ if (!(params->rmask & (1 << k)))
+ continue;
+ changed = snd_interval_refine(hw_param_interval(params, k),
+ &refine_intervals[k - SND_PCM_HW_PARAM_FIRST_INTERVAL]);
+ if (changed)
+ params->cmask |= 1 << k;
+ if (changed < 0)
+ goto _err;
+ }
+
+ for (k = 0; k < RULES; k++)
+ rstamps[k] = 0;
+ for (k = 0; k <= SND_PCM_HW_PARAM_LAST_INTERVAL; k++)
+ vstamps[k] = (params->rmask & (1 << k)) ? 1 : 0;
+ do {
+ again = 0;
+ for (k = 0; k < RULES; k++) {
+ const snd_pcm_hw_rule_t *r = &refine_rules[k];
+ unsigned int d;
+ int doit = 0;
+ for (d = 0; r->deps[d] >= 0; d++) {
+ if (vstamps[r->deps[d]] > rstamps[k]) {
+ doit = 1;
+ break;
+ }
+ }
+ if (!doit)
+ continue;
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "Rule %d (%p): ", k, r->func);
+ if (r->var >= 0) {
+ snd_output_printf(log, "%s=", snd_pcm_hw_param_name(r->var));
+ snd_pcm_hw_param_dump(params, r->var, log);
+ snd_output_puts(log, " -> ");
+ }
+#endif
+ changed = r->func(params, r);
+#ifdef RULES_DEBUG
+ if (r->var >= 0)
+ snd_pcm_hw_param_dump(params, r->var, log);
+ for (d = 0; r->deps[d] >= 0; d++) {
+ snd_output_printf(log, " %s=", snd_pcm_hw_param_name(r->deps[d]));
+ snd_pcm_hw_param_dump(params, r->deps[d], log);
+ }
+ snd_output_putc(log, '\n');
+#endif
+ rstamps[k] = stamp;
+ if (changed && r->var >= 0) {
+ params->cmask |= 1 << r->var;
+ vstamps[r->var] = stamp;
+ again = 1;
+ }
+ if (changed < 0)
+ goto _err;
+ stamp++;
+ }
+ } while (again);
+ if (!params->msbits) {
+ i = hw_param_interval(params, SND_PCM_HW_PARAM_SAMPLE_BITS);
+ if (snd_interval_single(i))
+ params->msbits = snd_interval_value(i);
+ }
+
+ if (!params->rate_den) {
+ i = hw_param_interval(params, SND_PCM_HW_PARAM_RATE);
+ if (snd_interval_single(i)) {
+ params->rate_num = snd_interval_value(i);
+ params->rate_den = 1;
+ }
+ }
+ params->rmask = 0;
+ return 0;
+ _err:
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "refine_soft '%s' (end-%i)\n", pcm->name, changed);
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_close(log);
+#endif
+ return changed;
+}
+
+int _snd_pcm_hw_params_refine(snd_pcm_hw_params_t *params,
+ unsigned int vars,
+ const snd_pcm_hw_params_t *src)
+{
+ int changed, err = 0;
+ unsigned int k;
+ for (k = 0; k <= SND_PCM_HW_PARAM_LAST_INTERVAL; ++k) {
+ if (!(vars & (1 << k)))
+ continue;
+ changed = _snd_pcm_hw_param_refine(params, k, src);
+ if (changed < 0)
+ err = changed;
+ }
+ params->info &= src->info;
+ params->flags = src->flags; /* propagate all flags to slave */
+ return err;
+}
+
+int snd_pcm_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ int (*cprepare)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params),
+ int (*cchange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*sprepare)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params),
+ int (*schange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*srefine)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *sparams))
+
+{
+#ifdef RULES_DEBUG
+ snd_output_t *log;
+#endif
+ snd_pcm_hw_params_t sparams;
+ int err;
+ unsigned int cmask, changed;
+#ifdef RULES_DEBUG
+ snd_output_stdio_attach(&log, stderr, 0);
+#endif
+ err = cprepare(pcm, params);
+ if (err < 0)
+ return err;
+ err = sprepare(pcm, &sparams);
+ if (err < 0) {
+ SNDERR("Slave PCM not usable");
+ return err;
+ }
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "hw_refine_slave - enter '%s'\n", pcm->name);
+#endif
+ do {
+ cmask = params->cmask;
+ params->cmask = 0;
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "schange '%s' (client)\n", pcm->name);
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_printf(log, "schange '%s' (slave)\n", pcm->name);
+ snd_pcm_hw_params_dump(&sparams, log);
+#endif
+ err = schange(pcm, params, &sparams);
+ if (err >= 0) {
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "srefine '%s' (client)\n", pcm->name);
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_printf(log, "srefine '%s' (slave)\n", pcm->name);
+ snd_pcm_hw_params_dump(&sparams, log);
+#endif
+ err = srefine(pcm, &sparams);
+ if (err < 0) {
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "srefine '%s', err < 0 (%i) (client)\n", pcm->name, err);
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_printf(log, "srefine '%s', err < 0 (%i) (slave)\n", pcm->name, err);
+ snd_pcm_hw_params_dump(&sparams, log);
+#endif
+ cchange(pcm, params, &sparams);
+ return err;
+ }
+ } else {
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "schange '%s', err < 0 (%i) (client)\n", pcm->name, err);
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_printf(log, "schange '%s', err < 0 (%i) (slave)\n", pcm->name, err);
+ snd_pcm_hw_params_dump(&sparams, log);
+#endif
+ cchange(pcm, params, &sparams);
+ return err;
+ }
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "cchange '%s'\n", pcm->name);
+#endif
+ err = cchange(pcm, params, &sparams);
+ if (err < 0)
+ return err;
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "refine_soft '%s'\n", pcm->name);
+#endif
+ err = snd_pcm_hw_refine_soft(pcm, params);
+ changed = params->cmask;
+ params->cmask |= cmask;
+ if (err < 0)
+ return err;
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "refine_soft ok '%s'\n", pcm->name);
+#endif
+ } while (changed);
+#ifdef RULES_DEBUG
+ snd_output_printf(log, "refine_slave - leave '%s'\n", pcm->name);
+ snd_output_close(log);
+#endif
+ return 0;
+}
+
+int snd_pcm_hw_params_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ int (*cchange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*sprepare)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params),
+ int (*schange)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams),
+ int (*sparams)(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *sparams))
+
+{
+ snd_pcm_hw_params_t slave_params;
+ int err;
+ err = sprepare(pcm, &slave_params);
+ assert(err >= 0);
+ err = schange(pcm, params, &slave_params);
+ assert(err >= 0);
+ err = sparams(pcm, &slave_params);
+ if (err < 0)
+ cchange(pcm, params, &slave_params);
+ return err;
+}
+
+static int snd_pcm_sw_params_default(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
+{
+ assert(pcm && params);
+ assert(pcm->setup);
+ params->proto = SNDRV_PCM_VERSION;
+ params->tstamp_mode = SND_PCM_TSTAMP_NONE;
+ params->tstamp_type = pcm->tstamp_type;
+ params->period_step = 1;
+ params->sleep_min = 0;
+ params->avail_min = pcm->period_size;
+ params->xfer_align = 1;
+ params->start_threshold = 1;
+ params->stop_threshold = pcm->buffer_size;
+ params->silence_threshold = 0;
+ params->silence_size = 0;
+ params->boundary = pcm->buffer_size;
+ while (params->boundary * 2 <= LONG_MAX - pcm->buffer_size)
+ params->boundary *= 2;
+ return 0;
+}
+
+#if 0
+#define REFINE_DEBUG
+#endif
+
+int snd_pcm_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ int res;
+#ifdef REFINE_DEBUG
+ snd_output_t *log;
+ snd_output_stdio_attach(&log, stderr, 0);
+#endif
+ assert(pcm && params);
+#ifdef REFINE_DEBUG
+ snd_output_printf(log, "REFINE called:\n");
+ snd_pcm_hw_params_dump(params, log);
+#endif
+ res = pcm->ops->hw_refine(pcm->op_arg, params);
+#ifdef REFINE_DEBUG
+ snd_output_printf(log, "refine done - result = %i\n", res);
+ snd_pcm_hw_params_dump(params, log);
+ snd_output_close(log);
+#endif
+ return res;
+}
+
+/* Install one of the configurations present in configuration
+ space defined by PARAMS.
+ The configuration chosen is that obtained fixing in this order:
+ first access
+ first format
+ first subformat
+ min channels
+ min rate
+ min period_size
+ max periods
+ Return 0 on success otherwise a negative error code
+*/
+int _snd_pcm_hw_params_internal(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ int err;
+ snd_pcm_sw_params_t sw;
+ int fb, min_align;
+ err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ snd_pcm_hw_params_choose(pcm, params);
+ if (pcm->setup) {
+ err = snd_pcm_hw_free(pcm);
+ if (err < 0)
+ return err;
+ }
+ err = pcm->ops->hw_params(pcm->op_arg, params);
+ if (err < 0)
+ return err;
+
+ pcm->setup = 1;
+ INTERNAL(snd_pcm_hw_params_get_access)(params, &pcm->access);
+ INTERNAL(snd_pcm_hw_params_get_format)(params, &pcm->format);
+ INTERNAL(snd_pcm_hw_params_get_subformat)(params, &pcm->subformat);
+ INTERNAL(snd_pcm_hw_params_get_channels)(params, &pcm->channels);
+ INTERNAL(snd_pcm_hw_params_get_rate)(params, &pcm->rate, 0);
+ INTERNAL(snd_pcm_hw_params_get_period_time)(params, &pcm->period_time, 0);
+ INTERNAL(snd_pcm_hw_params_get_period_size)(params, &pcm->period_size, 0);
+ INTERNAL(snd_pcm_hw_params_get_buffer_size)(params, &pcm->buffer_size);
+ pcm->sample_bits = snd_pcm_format_physical_width(pcm->format);
+ pcm->frame_bits = pcm->sample_bits * pcm->channels;
+ fb = pcm->frame_bits;
+ min_align = 1;
+ while (fb % 8) {
+ fb *= 2;
+ min_align *= 2;
+ }
+ pcm->min_align = min_align;
+
+ pcm->hw_flags = params->flags;
+ pcm->info = params->info;
+ pcm->msbits = params->msbits;
+ pcm->rate_num = params->rate_num;
+ pcm->rate_den = params->rate_den;
+ pcm->fifo_size = params->fifo_size;
+
+ /* Default sw params */
+ memset(&sw, 0, sizeof(sw));
+ snd_pcm_sw_params_default(pcm, &sw);
+ err = snd_pcm_sw_params(pcm, &sw);
+ assert(err >= 0);
+
+ if (pcm->mmap_rw ||
+ pcm->access == SND_PCM_ACCESS_MMAP_INTERLEAVED ||
+ pcm->access == SND_PCM_ACCESS_MMAP_NONINTERLEAVED ||
+ pcm->access == SND_PCM_ACCESS_MMAP_COMPLEX) {
+ err = snd_pcm_mmap(pcm);
+ }
+ if (err < 0)
+ return err;
+ return 0;
+}
+
diff --git a/src/pcm/pcm_plug.c b/src/pcm/pcm_plug.c
new file mode 100644
index 0000000..5639b9e
--- /dev/null
+++ b/src/pcm/pcm_plug.c
@@ -0,0 +1,1311 @@
+/*
+ * \file pcm/pcm_plug.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Route & Volume Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Plug
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_plug = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+enum snd_pcm_plug_route_policy {
+ PLUG_ROUTE_POLICY_NONE,
+ PLUG_ROUTE_POLICY_DEFAULT,
+ PLUG_ROUTE_POLICY_COPY,
+ PLUG_ROUTE_POLICY_AVERAGE,
+ PLUG_ROUTE_POLICY_DUP,
+};
+
+typedef struct {
+ snd_pcm_generic_t gen;
+ snd_pcm_t *req_slave;
+ snd_pcm_format_t sformat;
+ int schannels;
+ int srate;
+ const snd_config_t *rate_converter;
+ enum snd_pcm_plug_route_policy route_policy;
+ snd_pcm_route_ttable_entry_t *ttable;
+ int ttable_ok;
+ unsigned int tt_ssize, tt_cused, tt_sused;
+} snd_pcm_plug_t;
+
+#endif
+
+static int snd_pcm_plug_close(snd_pcm_t *pcm)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ int err, result = 0;
+ free(plug->ttable);
+ assert(plug->gen.slave == plug->req_slave);
+ if (plug->gen.close_slave) {
+ snd_pcm_unlink_hw_ptr(pcm, plug->req_slave);
+ snd_pcm_unlink_appl_ptr(pcm, plug->req_slave);
+ err = snd_pcm_close(plug->req_slave);
+ if (err < 0)
+ result = err;
+ }
+ free(plug);
+ return result;
+}
+
+static int snd_pcm_plug_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ snd_pcm_t *slave = plug->req_slave;
+ int err;
+
+ if ((err = snd_pcm_info(slave, info)) < 0)
+ return err;
+ return 0;
+}
+
+static const snd_pcm_format_t linear_preferred_formats[] = {
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_S16_LE,
+ SND_PCM_FORMAT_U16_LE,
+ SND_PCM_FORMAT_S16_BE,
+ SND_PCM_FORMAT_U16_BE,
+#else
+ SND_PCM_FORMAT_S16_BE,
+ SND_PCM_FORMAT_U16_BE,
+ SND_PCM_FORMAT_S16_LE,
+ SND_PCM_FORMAT_U16_LE,
+#endif
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_S32_LE,
+ SND_PCM_FORMAT_U32_LE,
+ SND_PCM_FORMAT_S32_BE,
+ SND_PCM_FORMAT_U32_BE,
+#else
+ SND_PCM_FORMAT_S32_BE,
+ SND_PCM_FORMAT_U32_BE,
+ SND_PCM_FORMAT_S32_LE,
+ SND_PCM_FORMAT_U32_LE,
+#endif
+ SND_PCM_FORMAT_S8,
+ SND_PCM_FORMAT_U8,
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_FLOAT_LE,
+ SND_PCM_FORMAT_FLOAT64_LE,
+ SND_PCM_FORMAT_FLOAT_BE,
+ SND_PCM_FORMAT_FLOAT64_BE,
+#else
+ SND_PCM_FORMAT_FLOAT_BE,
+ SND_PCM_FORMAT_FLOAT64_BE,
+ SND_PCM_FORMAT_FLOAT_LE,
+ SND_PCM_FORMAT_FLOAT64_LE,
+#endif
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_S24_LE,
+ SND_PCM_FORMAT_U24_LE,
+ SND_PCM_FORMAT_S24_BE,
+ SND_PCM_FORMAT_U24_BE,
+#else
+ SND_PCM_FORMAT_S24_BE,
+ SND_PCM_FORMAT_U24_BE,
+ SND_PCM_FORMAT_S24_LE,
+ SND_PCM_FORMAT_U24_LE,
+#endif
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_S24_3LE,
+ SND_PCM_FORMAT_U24_3LE,
+ SND_PCM_FORMAT_S24_3BE,
+ SND_PCM_FORMAT_U24_3BE,
+#else
+ SND_PCM_FORMAT_S24_3BE,
+ SND_PCM_FORMAT_U24_3BE,
+ SND_PCM_FORMAT_S24_3LE,
+ SND_PCM_FORMAT_U24_3LE,
+#endif
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_S20_3LE,
+ SND_PCM_FORMAT_U20_3LE,
+ SND_PCM_FORMAT_S20_3BE,
+ SND_PCM_FORMAT_U20_3BE,
+#else
+ SND_PCM_FORMAT_S20_3BE,
+ SND_PCM_FORMAT_U20_3BE,
+ SND_PCM_FORMAT_S20_3LE,
+ SND_PCM_FORMAT_U20_3LE,
+#endif
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_S18_3LE,
+ SND_PCM_FORMAT_U18_3LE,
+ SND_PCM_FORMAT_S18_3BE,
+ SND_PCM_FORMAT_U18_3BE,
+#else
+ SND_PCM_FORMAT_S18_3BE,
+ SND_PCM_FORMAT_U18_3BE,
+ SND_PCM_FORMAT_S18_3LE,
+ SND_PCM_FORMAT_U18_3LE,
+#endif
+};
+
+#if defined(BUILD_PCM_PLUGIN_MULAW) || \
+ defined(BUILD_PCM_PLUGIN_ALAW) || \
+ defined(BUILD_PCM_PLUGIN_ADPCM)
+#define BUILD_PCM_NONLINEAR
+#endif
+
+#ifdef BUILD_PCM_NONLINEAR
+static const snd_pcm_format_t nonlinear_preferred_formats[] = {
+#ifdef BUILD_PCM_PLUGIN_MULAW
+ SND_PCM_FORMAT_MU_LAW,
+#endif
+#ifdef BUILD_PCM_PLUGIN_ALAW
+ SND_PCM_FORMAT_A_LAW,
+#endif
+#ifdef BUILD_PCM_PLUGIN_ADPCM
+ SND_PCM_FORMAT_IMA_ADPCM,
+#endif
+};
+#endif
+
+#ifdef BUILD_PCM_PLUGIN_LFLOAT
+static const snd_pcm_format_t float_preferred_formats[] = {
+#ifdef SND_LITTLE_ENDIAN
+ SND_PCM_FORMAT_FLOAT_LE,
+ SND_PCM_FORMAT_FLOAT64_LE,
+ SND_PCM_FORMAT_FLOAT_BE,
+ SND_PCM_FORMAT_FLOAT64_BE,
+#else
+ SND_PCM_FORMAT_FLOAT_BE,
+ SND_PCM_FORMAT_FLOAT64_BE,
+ SND_PCM_FORMAT_FLOAT_LE,
+ SND_PCM_FORMAT_FLOAT64_LE,
+#endif
+};
+#endif
+
+static const char linear_format_widths[32] = {
+ 0, 0, 0, 0, 0, 0, 0, 1,
+ 0, 0, 0, 0, 0, 0, 0, 1,
+ 0, 1, 0, 1, 0, 0, 0, 1,
+ 0, 0, 0, 0, 0, 0, 0, 1,
+};
+
+static int check_linear_format(const snd_pcm_format_mask_t *format_mask, int wid, int sgn, int ed)
+{
+ int e, s;
+ if (! linear_format_widths[wid - 1])
+ return SND_PCM_FORMAT_UNKNOWN;
+ for (e = 0; e < 2; e++) {
+ for (s = 0; s < 2; s++) {
+ int pw = ((wid + 7) / 8) * 8;
+ for (; pw <= 32; pw += 8) {
+ snd_pcm_format_t f;
+ f = snd_pcm_build_linear_format(wid, pw, sgn, ed);
+ if (f != SND_PCM_FORMAT_UNKNOWN &&
+ snd_pcm_format_mask_test(format_mask, f))
+ return f;
+ }
+ sgn = !sgn;
+ }
+ ed = !ed;
+ }
+ return SND_PCM_FORMAT_UNKNOWN;
+}
+
+static snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format, const snd_pcm_format_mask_t *format_mask)
+{
+ int w, w1, u, e;
+ snd_pcm_format_t f;
+ snd_pcm_format_mask_t lin = { SND_PCM_FMTBIT_LINEAR };
+ snd_pcm_format_mask_t fl = {
+#ifdef BUILD_PCM_PLUGIN_LFLOAT
+ SND_PCM_FMTBIT_FLOAT
+#else
+ { 0 }
+#endif
+ };
+ if (snd_pcm_format_mask_test(format_mask, format))
+ return format;
+ if (!snd_pcm_format_mask_test(&lin, format) &&
+ !snd_pcm_format_mask_test(&fl, format)) {
+ unsigned int i;
+ switch (format) {
+#ifdef BUILD_PCM_PLUGIN_MULAW
+ case SND_PCM_FORMAT_MU_LAW:
+#endif
+#ifdef BUILD_PCM_PLUGIN_ALAW
+ case SND_PCM_FORMAT_A_LAW:
+#endif
+#ifdef BUILD_PCM_PLUGIN_ADPCM
+ case SND_PCM_FORMAT_IMA_ADPCM:
+#endif
+ for (i = 0; i < sizeof(linear_preferred_formats) / sizeof(linear_preferred_formats[0]); ++i) {
+ snd_pcm_format_t f = linear_preferred_formats[i];
+ if (snd_pcm_format_mask_test(format_mask, f))
+ return f;
+ }
+ /* Fall through */
+ default:
+ return SND_PCM_FORMAT_UNKNOWN;
+ }
+
+ }
+ snd_mask_intersect(&lin, format_mask);
+ snd_mask_intersect(&fl, format_mask);
+ if (snd_mask_empty(&lin) && snd_mask_empty(&fl)) {
+#ifdef BUILD_PCM_NONLINEAR
+ unsigned int i;
+ for (i = 0; i < sizeof(nonlinear_preferred_formats) / sizeof(nonlinear_preferred_formats[0]); ++i) {
+ snd_pcm_format_t f = nonlinear_preferred_formats[i];
+ if (snd_pcm_format_mask_test(format_mask, f))
+ return f;
+ }
+#endif
+ return SND_PCM_FORMAT_UNKNOWN;
+ }
+#ifdef BUILD_PCM_PLUGIN_LFLOAT
+ if (snd_pcm_format_float(format)) {
+ if (snd_pcm_format_mask_test(&fl, format)) {
+ unsigned int i;
+ for (i = 0; i < sizeof(float_preferred_formats) / sizeof(float_preferred_formats[0]); ++i) {
+ snd_pcm_format_t f = float_preferred_formats[i];
+ if (snd_pcm_format_mask_test(format_mask, f))
+ return f;
+ }
+ }
+ w = 32;
+ u = 0;
+ e = snd_pcm_format_big_endian(format);
+ } else
+#endif
+ if (snd_mask_empty(&lin)) {
+#ifdef BUILD_PCM_PLUGIN_LFLOAT
+ unsigned int i;
+ for (i = 0; i < sizeof(float_preferred_formats) / sizeof(float_preferred_formats[0]); ++i) {
+ snd_pcm_format_t f = float_preferred_formats[i];
+ if (snd_pcm_format_mask_test(format_mask, f))
+ return f;
+ }
+#endif
+ return SND_PCM_FORMAT_UNKNOWN;
+ } else {
+ w = snd_pcm_format_width(format);
+ u = snd_pcm_format_unsigned(format);
+ e = snd_pcm_format_big_endian(format);
+ }
+ for (w1 = w; w1 <= 32; w1++) {
+ f = check_linear_format(format_mask, w1, u, e);
+ if (f != SND_PCM_FORMAT_UNKNOWN)
+ return f;
+ }
+ for (w1 = w - 1; w1 > 0; w1--) {
+ f = check_linear_format(format_mask, w1, u, e);
+ if (f != SND_PCM_FORMAT_UNKNOWN)
+ return f;
+ }
+ return SND_PCM_FORMAT_UNKNOWN;
+}
+
+static void snd_pcm_plug_clear(snd_pcm_t *pcm)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ snd_pcm_t *slave = plug->req_slave;
+ /* Clear old plugins */
+ if (plug->gen.slave != slave) {
+ snd_pcm_unlink_hw_ptr(pcm, plug->gen.slave);
+ snd_pcm_unlink_appl_ptr(pcm, plug->gen.slave);
+ snd_pcm_close(plug->gen.slave);
+ plug->gen.slave = slave;
+ pcm->fast_ops = slave->fast_ops;
+ pcm->fast_op_arg = slave->fast_op_arg;
+ }
+}
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ snd_pcm_access_t access;
+ snd_pcm_format_t format;
+ unsigned int channels;
+ unsigned int rate;
+} snd_pcm_plug_params_t;
+#endif
+
+#ifdef BUILD_PCM_PLUGIN_RATE
+static int snd_pcm_plug_change_rate(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm_plug_params_t *clt, snd_pcm_plug_params_t *slv)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ int err;
+ if (clt->rate == slv->rate)
+ return 0;
+ assert(snd_pcm_format_linear(slv->format));
+ err = snd_pcm_rate_open(new, NULL, slv->format, slv->rate, plug->rate_converter,
+ plug->gen.slave, plug->gen.slave != plug->req_slave);
+ if (err < 0)
+ return err;
+ slv->access = clt->access;
+ slv->rate = clt->rate;
+ if (snd_pcm_format_linear(clt->format))
+ slv->format = clt->format;
+ return 1;
+}
+#endif
+
+#ifdef BUILD_PCM_PLUGIN_ROUTE
+static int snd_pcm_plug_change_channels(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm_plug_params_t *clt, snd_pcm_plug_params_t *slv)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ unsigned int tt_ssize, tt_cused, tt_sused;
+ snd_pcm_route_ttable_entry_t *ttable;
+ int err;
+ if (clt->channels == slv->channels &&
+ (!plug->ttable || plug->ttable_ok))
+ return 0;
+ if (clt->rate != slv->rate &&
+ clt->channels > slv->channels)
+ return 0;
+ assert(snd_pcm_format_linear(slv->format));
+ tt_ssize = slv->channels;
+ tt_cused = clt->channels;
+ tt_sused = slv->channels;
+ ttable = alloca(tt_cused * tt_sused * sizeof(*ttable));
+ if (plug->ttable) { /* expand or shrink table */
+ unsigned int c = 0, s = 0;
+ for (c = 0; c < tt_cused; c++) {
+ for (s = 0; s < tt_sused; s++) {
+ snd_pcm_route_ttable_entry_t v;
+ if (c >= plug->tt_cused)
+ v = 0;
+ else if (s >= plug->tt_sused)
+ v = 0;
+ else
+ v = plug->ttable[c * plug->tt_ssize + s];
+ ttable[c * tt_ssize + s] = v;
+ }
+ }
+ plug->ttable_ok = 1;
+ } else {
+ unsigned int k;
+ unsigned int c = 0, s = 0;
+ enum snd_pcm_plug_route_policy rpolicy = plug->route_policy;
+ int n;
+ for (k = 0; k < tt_cused * tt_sused; ++k)
+ ttable[k] = 0;
+ if (rpolicy == PLUG_ROUTE_POLICY_DEFAULT) {
+ rpolicy = PLUG_ROUTE_POLICY_COPY;
+ /* it's hack for mono conversion */
+ if (clt->channels == 1 || slv->channels == 1)
+ rpolicy = PLUG_ROUTE_POLICY_AVERAGE;
+ }
+ switch (rpolicy) {
+ case PLUG_ROUTE_POLICY_AVERAGE:
+ case PLUG_ROUTE_POLICY_DUP:
+ if (clt->channels > slv->channels) {
+ n = clt->channels;
+ } else {
+ n = slv->channels;
+ }
+ while (n-- > 0) {
+ snd_pcm_route_ttable_entry_t v = SND_PCM_PLUGIN_ROUTE_FULL;
+ if (rpolicy == PLUG_ROUTE_POLICY_AVERAGE) {
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK &&
+ clt->channels > slv->channels) {
+ int srcs = clt->channels / slv->channels;
+ if (s < clt->channels % slv->channels)
+ srcs++;
+ v /= srcs;
+ } else if (pcm->stream == SND_PCM_STREAM_CAPTURE &&
+ slv->channels > clt->channels) {
+ int srcs = slv->channels / clt->channels;
+ if (s < slv->channels % clt->channels)
+ srcs++;
+ v /= srcs;
+ }
+ }
+ ttable[c * tt_ssize + s] = v;
+ if (++c == clt->channels)
+ c = 0;
+ if (++s == slv->channels)
+ s = 0;
+ }
+ break;
+ case PLUG_ROUTE_POLICY_COPY:
+ if (clt->channels < slv->channels) {
+ n = clt->channels;
+ } else {
+ n = slv->channels;
+ }
+ for (c = 0; (int)c < n; c++)
+ ttable[c * tt_ssize + c] = SND_PCM_PLUGIN_ROUTE_FULL;
+ break;
+ default:
+ SNDERR("Invalid route policy");
+ break;
+ }
+ }
+ err = snd_pcm_route_open(new, NULL, slv->format, (int) slv->channels, ttable, tt_ssize, tt_cused, tt_sused, plug->gen.slave, plug->gen.slave != plug->req_slave);
+ if (err < 0)
+ return err;
+ slv->channels = clt->channels;
+ slv->access = clt->access;
+ if (snd_pcm_format_linear(clt->format))
+ slv->format = clt->format;
+ return 1;
+}
+#endif
+
+static int snd_pcm_plug_change_format(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm_plug_params_t *clt, snd_pcm_plug_params_t *slv)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ int err;
+ snd_pcm_format_t cfmt;
+ int (*f)(snd_pcm_t **_pcm, const char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave);
+
+ /* No conversion is needed */
+ if (clt->format == slv->format &&
+ clt->rate == slv->rate &&
+ clt->channels == slv->channels &&
+ (!plug->ttable || plug->ttable_ok))
+ return 0;
+
+ if (snd_pcm_format_linear(slv->format)) {
+ /* Conversion is done in another plugin */
+ if (clt->rate != slv->rate ||
+ clt->channels != slv->channels ||
+ (plug->ttable && !plug->ttable_ok))
+ return 0;
+ cfmt = clt->format;
+ switch (clt->format) {
+#ifdef BUILD_PCM_PLUGIN_MULAW
+ case SND_PCM_FORMAT_MU_LAW:
+ f = snd_pcm_mulaw_open;
+ break;
+#endif
+#ifdef BUILD_PCM_PLUGIN_ALAW
+ case SND_PCM_FORMAT_A_LAW:
+ f = snd_pcm_alaw_open;
+ break;
+#endif
+#ifdef BUILD_PCM_PLUGIN_ADPCM
+ case SND_PCM_FORMAT_IMA_ADPCM:
+ f = snd_pcm_adpcm_open;
+ break;
+#endif
+ default:
+#ifdef BUILD_PCM_PLUGIN_LFLOAT
+ if (snd_pcm_format_float(clt->format))
+ f = snd_pcm_lfloat_open;
+
+ else
+#endif
+ f = snd_pcm_linear_open;
+ break;
+ }
+#ifdef BUILD_PCM_PLUGIN_LFLOAT
+ } else if (snd_pcm_format_float(slv->format)) {
+ if (snd_pcm_format_linear(clt->format)) {
+ cfmt = clt->format;
+ f = snd_pcm_lfloat_open;
+ } else if (clt->rate != slv->rate || clt->channels != slv->channels ||
+ (plug->ttable && !plug->ttable_ok)) {
+ cfmt = SND_PCM_FORMAT_S16;
+ f = snd_pcm_lfloat_open;
+ } else
+ return -EINVAL;
+#endif
+#ifdef BUILD_PCM_NONLINEAR
+ } else {
+ switch (slv->format) {
+#ifdef BUILD_PCM_PLUGIN_MULAW
+ case SND_PCM_FORMAT_MU_LAW:
+ f = snd_pcm_mulaw_open;
+ break;
+#endif
+#ifdef BUILD_PCM_PLUGIN_ALAW
+ case SND_PCM_FORMAT_A_LAW:
+ f = snd_pcm_alaw_open;
+ break;
+#endif
+#ifdef BUILD_PCM_PLUGIN_ADPCM
+ case SND_PCM_FORMAT_IMA_ADPCM:
+ f = snd_pcm_adpcm_open;
+ break;
+#endif
+ default:
+ return -EINVAL;
+ }
+ if (snd_pcm_format_linear(clt->format))
+ cfmt = clt->format;
+ else
+ cfmt = SND_PCM_FORMAT_S16;
+#endif /* NONLINEAR */
+ }
+ err = f(new, NULL, slv->format, plug->gen.slave, plug->gen.slave != plug->req_slave);
+ if (err < 0)
+ return err;
+ slv->format = cfmt;
+ slv->access = clt->access;
+ return 1;
+}
+
+static int snd_pcm_plug_change_access(snd_pcm_t *pcm, snd_pcm_t **new, snd_pcm_plug_params_t *clt, snd_pcm_plug_params_t *slv)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ int err;
+ if (clt->access == slv->access)
+ return 0;
+ err = snd_pcm_copy_open(new, NULL, plug->gen.slave, plug->gen.slave != plug->req_slave);
+ if (err < 0)
+ return err;
+ slv->access = clt->access;
+ return 1;
+}
+
+#ifdef BUILD_PCM_PLUGIN_MMAP_EMUL
+static int snd_pcm_plug_change_mmap(snd_pcm_t *pcm, snd_pcm_t **new,
+ snd_pcm_plug_params_t *clt,
+ snd_pcm_plug_params_t *slv)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ int err;
+
+ if (clt->access == slv->access)
+ return 0;
+
+ switch (slv->access) {
+ case SND_PCM_ACCESS_MMAP_INTERLEAVED:
+ case SND_PCM_ACCESS_MMAP_NONINTERLEAVED:
+ case SND_PCM_ACCESS_MMAP_COMPLEX:
+ return 0;
+ default:
+ break;
+ }
+
+ err = __snd_pcm_mmap_emul_open(new, NULL, plug->gen.slave,
+ plug->gen.slave != plug->req_slave);
+ if (err < 0)
+ return err;
+ switch (slv->access) {
+ case SND_PCM_ACCESS_RW_INTERLEAVED:
+ slv->access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
+ break;
+ case SND_PCM_ACCESS_RW_NONINTERLEAVED:
+ slv->access = SND_PCM_ACCESS_MMAP_NONINTERLEAVED;
+ break;
+ default:
+ break;
+ }
+ return 1;
+}
+#endif
+
+static int snd_pcm_plug_insert_plugins(snd_pcm_t *pcm,
+ snd_pcm_plug_params_t *client,
+ snd_pcm_plug_params_t *slave)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ static int (*const funcs[])(snd_pcm_t *_pcm, snd_pcm_t **new, snd_pcm_plug_params_t *s, snd_pcm_plug_params_t *d) = {
+#ifdef BUILD_PCM_PLUGIN_MMAP_EMUL
+ snd_pcm_plug_change_mmap,
+#endif
+ snd_pcm_plug_change_format,
+#ifdef BUILD_PCM_PLUGIN_ROUTE
+ snd_pcm_plug_change_channels,
+#endif
+#ifdef BUILD_PCM_PLUGIN_RATE
+ snd_pcm_plug_change_rate,
+#endif
+#ifdef BUILD_PCM_PLUGIN_ROUTE
+ snd_pcm_plug_change_channels,
+#endif
+ snd_pcm_plug_change_format,
+ snd_pcm_plug_change_access
+ };
+ snd_pcm_plug_params_t p = *slave;
+ unsigned int k = 0;
+ plug->ttable_ok = 0;
+ while (client->format != p.format ||
+ client->channels != p.channels ||
+ client->rate != p.rate ||
+ client->access != p.access ||
+ (plug->ttable && !plug->ttable_ok)) {
+ snd_pcm_t *new;
+ int err;
+ if (k >= sizeof(funcs)/sizeof(*funcs))
+ return -EINVAL;
+ err = funcs[k](pcm, &new, client, &p);
+ if (err < 0) {
+ snd_pcm_plug_clear(pcm);
+ return err;
+ }
+ if (err) {
+ plug->gen.slave = new;
+ }
+ k++;
+ }
+ return 0;
+}
+
+static int snd_pcm_plug_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ unsigned int rate_min, channels_max;
+ int err;
+
+ /* HACK: to avoid overflow in PARTBIT_RATE code */
+ err = snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_RATE, &rate_min, NULL);
+ if (err < 0)
+ return err;
+ if (rate_min < 4000) {
+ _snd_pcm_hw_param_set_min(params, SND_PCM_HW_PARAM_RATE, 4000, 0);
+ if (snd_pcm_hw_param_empty(params, SND_PCM_HW_PARAM_RATE))
+ return -EINVAL;
+ }
+ /* HACK: to avoid overflow in PERIOD_SIZE code */
+ err = snd_pcm_hw_param_get_max(params, SND_PCM_HW_PARAM_CHANNELS, &channels_max, NULL);
+ if (err < 0)
+ return err;
+ if (channels_max > 10000) {
+ _snd_pcm_hw_param_set_max(params, SND_PCM_HW_PARAM_CHANNELS, 10000, 0);
+ if (snd_pcm_hw_param_empty(params, SND_PCM_HW_PARAM_CHANNELS))
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int snd_pcm_plug_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ int err;
+
+ _snd_pcm_hw_params_any(sparams);
+ if (plug->sformat >= 0) {
+ _snd_pcm_hw_params_set_format(sparams, plug->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ }
+ if (plug->schannels > 0)
+ _snd_pcm_hw_param_set(sparams, SND_PCM_HW_PARAM_CHANNELS,
+ plug->schannels, 0);
+ if (plug->srate > 0)
+ _snd_pcm_hw_param_set_minmax(sparams, SND_PCM_HW_PARAM_RATE,
+ plug->srate, 0, plug->srate + 1, -1);
+ /* reduce the available configurations */
+ err = snd_pcm_hw_refine(plug->req_slave, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int check_access_change(snd_pcm_hw_params_t *cparams,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_access_mask_t *smask;
+#ifdef BUILD_PCM_PLUGIN_MMAP_EMUL
+ const snd_pcm_access_mask_t *cmask;
+ snd_pcm_access_mask_t mask;
+#endif
+
+ smask = (snd_pcm_access_mask_t *)
+ snd_pcm_hw_param_get_mask(sparams,
+ SND_PCM_HW_PARAM_ACCESS);
+ if (snd_pcm_access_mask_test(smask, SND_PCM_ACCESS_MMAP_INTERLEAVED) ||
+ snd_pcm_access_mask_test(smask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED) ||
+ snd_pcm_access_mask_test(smask, SND_PCM_ACCESS_MMAP_COMPLEX))
+ return 0; /* OK, we have mmap support */
+#ifdef BUILD_PCM_PLUGIN_MMAP_EMUL
+ /* no mmap support - we need mmap emulation */
+
+ if (!snd_pcm_access_mask_test(smask, SND_PCM_ACCESS_RW_INTERLEAVED) &&
+ !snd_pcm_access_mask_test(smask, SND_PCM_ACCESS_RW_NONINTERLEAVED))
+ return -EINVAL; /* even no RW access? no way! */
+
+ cmask = (const snd_pcm_access_mask_t *)
+ snd_pcm_hw_param_get_mask(cparams,
+ SND_PCM_HW_PARAM_ACCESS);
+ snd_mask_none(&mask);
+ if (snd_pcm_access_mask_test(cmask, SND_PCM_ACCESS_RW_INTERLEAVED) ||
+ snd_pcm_access_mask_test(cmask, SND_PCM_ACCESS_MMAP_INTERLEAVED)) {
+ if (snd_pcm_access_mask_test(smask, SND_PCM_ACCESS_RW_INTERLEAVED))
+ snd_pcm_access_mask_set(&mask,
+ SND_PCM_ACCESS_RW_INTERLEAVED);
+ }
+ if (snd_pcm_access_mask_test(cmask, SND_PCM_ACCESS_RW_NONINTERLEAVED) ||
+ snd_pcm_access_mask_test(cmask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED)) {
+ if (snd_pcm_access_mask_test(smask, SND_PCM_ACCESS_RW_NONINTERLEAVED))
+ snd_pcm_access_mask_set(&mask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED);
+ }
+ if (!snd_mask_empty(&mask))
+ *smask = mask; /* prefer the straight conversion */
+ return 0;
+#else
+ return -EINVAL;
+#endif
+}
+
+static int snd_pcm_plug_hw_refine_schange(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ snd_pcm_t *slave = plug->req_slave;
+ unsigned int links = (SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ const snd_pcm_format_mask_t *format_mask, *sformat_mask;
+ snd_pcm_format_mask_t sfmt_mask;
+ int err;
+ snd_pcm_format_t format;
+ snd_interval_t t, buffer_size;
+ const snd_interval_t *srate, *crate;
+
+ if (plug->srate == -2 ||
+ (pcm->mode & SND_PCM_NO_AUTO_RESAMPLE) ||
+ (params->flags & SND_PCM_HW_PARAMS_NORESAMPLE))
+ links |= SND_PCM_HW_PARBIT_RATE;
+ else {
+ err = snd_pcm_hw_param_refine_multiple(slave, sparams, SND_PCM_HW_PARAM_RATE, params);
+ if (err < 0)
+ return err;
+ }
+
+ if (plug->schannels == -2 || (pcm->mode & SND_PCM_NO_AUTO_CHANNELS))
+ links |= SND_PCM_HW_PARBIT_CHANNELS;
+ else {
+ err = snd_pcm_hw_param_refine_near(slave, sparams, SND_PCM_HW_PARAM_CHANNELS, params);
+ if (err < 0)
+ return err;
+ }
+ if (plug->sformat == -2 || (pcm->mode & SND_PCM_NO_AUTO_FORMAT))
+ links |= SND_PCM_HW_PARBIT_FORMAT;
+ else {
+ format_mask = snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_FORMAT);
+ sformat_mask = snd_pcm_hw_param_get_mask(sparams, SND_PCM_HW_PARAM_FORMAT);
+ snd_mask_none(&sfmt_mask);
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ snd_pcm_format_t f;
+ if (!snd_pcm_format_mask_test(format_mask, format))
+ continue;
+ if (snd_pcm_format_mask_test(sformat_mask, format))
+ f = format;
+ else {
+ f = snd_pcm_plug_slave_format(format, sformat_mask);
+ if (f == SND_PCM_FORMAT_UNKNOWN)
+ continue;
+ }
+ snd_pcm_format_mask_set(&sfmt_mask, f);
+ }
+
+ if (snd_pcm_format_mask_empty(&sfmt_mask)) {
+ SNDERR("Unable to find an usable slave format for '%s'", pcm->name);
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ if (!snd_pcm_format_mask_test(format_mask, format))
+ continue;
+ SNDERR("Format: %s", snd_pcm_format_name(format));
+ }
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ if (!snd_pcm_format_mask_test(sformat_mask, format))
+ continue;
+ SNDERR("Slave format: %s", snd_pcm_format_name(format));
+ }
+ return -EINVAL;
+ }
+ err = snd_pcm_hw_param_set_mask(slave, sparams, SND_CHANGE,
+ SND_PCM_HW_PARAM_FORMAT, &sfmt_mask);
+ if (err < 0)
+ return -EINVAL;
+ }
+
+ if (snd_pcm_hw_param_never_eq(params, SND_PCM_HW_PARAM_ACCESS, sparams)) {
+ err = check_access_change(params, sparams);
+ if (err < 0) {
+ SNDERR("Unable to find an usable access for '%s'",
+ pcm->name);
+ return err;
+ }
+ }
+
+ if ((links & SND_PCM_HW_PARBIT_RATE) ||
+ snd_pcm_hw_param_always_eq(params, SND_PCM_HW_PARAM_RATE, sparams))
+ links |= (SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE);
+ else {
+ snd_interval_copy(&buffer_size, snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_BUFFER_SIZE));
+ snd_interval_unfloor(&buffer_size);
+ crate = snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_RATE);
+ srate = snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_RATE);
+ snd_interval_muldiv(&buffer_size, srate, crate, &t);
+ err = _snd_pcm_hw_param_set_interval(sparams, SND_PCM_HW_PARAM_BUFFER_SIZE, &t);
+ if (err < 0)
+ return err;
+ }
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_plug_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ unsigned int links = (SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ const snd_pcm_format_mask_t *format_mask, *sformat_mask;
+ snd_pcm_format_mask_t fmt_mask;
+ int err;
+ snd_pcm_format_t format;
+ snd_interval_t t;
+ const snd_interval_t *sbuffer_size;
+ const snd_interval_t *srate, *crate;
+
+ if (plug->schannels == -2 || (pcm->mode & SND_PCM_NO_AUTO_CHANNELS))
+ links |= SND_PCM_HW_PARBIT_CHANNELS;
+
+ if (plug->sformat == -2 || (pcm->mode & SND_PCM_NO_AUTO_FORMAT))
+ links |= SND_PCM_HW_PARBIT_FORMAT;
+ else {
+ format_mask = snd_pcm_hw_param_get_mask(params,
+ SND_PCM_HW_PARAM_FORMAT);
+ sformat_mask = snd_pcm_hw_param_get_mask(sparams,
+ SND_PCM_HW_PARAM_FORMAT);
+ snd_mask_none(&fmt_mask);
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ snd_pcm_format_t f;
+ if (!snd_pcm_format_mask_test(format_mask, format))
+ continue;
+ if (snd_pcm_format_mask_test(sformat_mask, format))
+ f = format;
+ else {
+ f = snd_pcm_plug_slave_format(format, sformat_mask);
+ if (f == SND_PCM_FORMAT_UNKNOWN)
+ continue;
+ }
+ snd_pcm_format_mask_set(&fmt_mask, format);
+ }
+
+ if (snd_pcm_format_mask_empty(&fmt_mask)) {
+ SNDERR("Unable to find an usable client format");
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ if (!snd_pcm_format_mask_test(format_mask, format))
+ continue;
+ SNDERR("Format: %s", snd_pcm_format_name(format));
+ }
+ for (format = 0; format <= SND_PCM_FORMAT_LAST; format++) {
+ if (!snd_pcm_format_mask_test(sformat_mask, format))
+ continue;
+ SNDERR("Slave format: %s", snd_pcm_format_name(format));
+ }
+ return -EINVAL;
+ }
+
+ err = _snd_pcm_hw_param_set_mask(params,
+ SND_PCM_HW_PARAM_FORMAT, &fmt_mask);
+ if (err < 0)
+ return err;
+ }
+
+ if (plug->srate == -2 ||
+ (pcm->mode & SND_PCM_NO_AUTO_RESAMPLE) ||
+ (params->flags & SND_PCM_HW_PARAMS_NORESAMPLE))
+ links |= SND_PCM_HW_PARBIT_RATE;
+ else {
+ unsigned int rate_min, srate_min;
+ int rate_mindir, srate_mindir;
+
+ /* This is a temporary hack, waiting for a better solution */
+ err = snd_pcm_hw_param_get_min(params, SND_PCM_HW_PARAM_RATE, &rate_min, &rate_mindir);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_param_get_min(sparams, SND_PCM_HW_PARAM_RATE, &srate_min, &srate_mindir);
+ if (err < 0)
+ return err;
+ if (rate_min == srate_min && srate_mindir > rate_mindir) {
+ err = _snd_pcm_hw_param_set_min(params, SND_PCM_HW_PARAM_RATE, srate_min, srate_mindir);
+ if (err < 0)
+ return err;
+ }
+ }
+ if ((links & SND_PCM_HW_PARBIT_RATE) ||
+ snd_pcm_hw_param_always_eq(params, SND_PCM_HW_PARAM_RATE, sparams))
+ links |= (SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE);
+ else {
+ sbuffer_size = snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_BUFFER_SIZE);
+ crate = snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_RATE);
+ srate = snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_RATE);
+ snd_interval_muldiv(sbuffer_size, crate, srate, &t);
+ snd_interval_floor(&t);
+ if (snd_interval_empty(&t))
+ return -EINVAL;
+ err = _snd_pcm_hw_param_set_interval(params, SND_PCM_HW_PARAM_BUFFER_SIZE, &t);
+ if (err < 0)
+ return err;
+ }
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ /* FIXME */
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_plug_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ return snd_pcm_hw_refine(plug->req_slave, params);
+}
+
+static int snd_pcm_plug_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_plug_hw_refine_cprepare,
+ snd_pcm_plug_hw_refine_cchange,
+ snd_pcm_plug_hw_refine_sprepare,
+ snd_pcm_plug_hw_refine_schange,
+ snd_pcm_plug_hw_refine_slave);
+}
+
+static int snd_pcm_plug_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ snd_pcm_t *slave = plug->req_slave;
+ snd_pcm_plug_params_t clt_params, slv_params;
+ snd_pcm_hw_params_t sparams;
+ int err;
+
+ err = snd_pcm_plug_hw_refine_sprepare(pcm, &sparams);
+ if (err < 0)
+ return err;
+ err = snd_pcm_plug_hw_refine_schange(pcm, params, &sparams);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_refine_soft(slave, &sparams);
+ if (err < 0)
+ return err;
+
+ INTERNAL(snd_pcm_hw_params_get_access)(params, &clt_params.access);
+ INTERNAL(snd_pcm_hw_params_get_format)(params, &clt_params.format);
+ INTERNAL(snd_pcm_hw_params_get_channels)(params, &clt_params.channels);
+ INTERNAL(snd_pcm_hw_params_get_rate)(params, &clt_params.rate, 0);
+
+ INTERNAL(snd_pcm_hw_params_get_format)(&sparams, &slv_params.format);
+ INTERNAL(snd_pcm_hw_params_get_channels)(&sparams, &slv_params.channels);
+ INTERNAL(snd_pcm_hw_params_get_rate)(&sparams, &slv_params.rate, 0);
+ snd_pcm_plug_clear(pcm);
+ if (!(clt_params.format == slv_params.format &&
+ clt_params.channels == slv_params.channels &&
+ clt_params.rate == slv_params.rate &&
+ !plug->ttable &&
+ snd_pcm_hw_params_test_access(slave, &sparams,
+ clt_params.access) >= 0)) {
+ INTERNAL(snd_pcm_hw_params_set_access_first)(slave, &sparams, &slv_params.access);
+ err = snd_pcm_plug_insert_plugins(pcm, &clt_params, &slv_params);
+ if (err < 0)
+ return err;
+ }
+ slave = plug->gen.slave;
+ err = _snd_pcm_hw_params_internal(slave, params);
+ if (err < 0) {
+ snd_pcm_plug_clear(pcm);
+ return err;
+ }
+ snd_pcm_unlink_hw_ptr(pcm, plug->req_slave);
+ snd_pcm_unlink_appl_ptr(pcm, plug->req_slave);
+
+ pcm->fast_ops = slave->fast_ops;
+ pcm->fast_op_arg = slave->fast_op_arg;
+ snd_pcm_link_hw_ptr(pcm, slave);
+ snd_pcm_link_appl_ptr(pcm, slave);
+ return 0;
+}
+
+static int snd_pcm_plug_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ snd_pcm_t *slave = plug->gen.slave;
+ int err = snd_pcm_hw_free(slave);
+ snd_pcm_plug_clear(pcm);
+ return err;
+}
+
+static void snd_pcm_plug_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_plug_t *plug = pcm->private_data;
+ snd_output_printf(out, "Plug PCM: ");
+ snd_pcm_dump(plug->gen.slave, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_plug_ops = {
+ .close = snd_pcm_plug_close,
+ .info = snd_pcm_plug_info,
+ .hw_refine = snd_pcm_plug_hw_refine,
+ .hw_params = snd_pcm_plug_hw_params,
+ .hw_free = snd_pcm_plug_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_plug_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new Plug PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave (destination) format
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_plug_open(snd_pcm_t **pcmp,
+ const char *name,
+ snd_pcm_format_t sformat, int schannels, int srate,
+ const snd_config_t *rate_converter,
+ enum snd_pcm_plug_route_policy route_policy,
+ snd_pcm_route_ttable_entry_t *ttable,
+ unsigned int tt_ssize,
+ unsigned int tt_cused, unsigned int tt_sused,
+ snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_plug_t *plug;
+ int err;
+ assert(pcmp && slave);
+
+ plug = calloc(1, sizeof(snd_pcm_plug_t));
+ if (!plug)
+ return -ENOMEM;
+ plug->sformat = sformat;
+ plug->schannels = schannels;
+ plug->srate = srate;
+ plug->rate_converter = rate_converter;
+ plug->gen.slave = plug->req_slave = slave;
+ plug->gen.close_slave = close_slave;
+ plug->route_policy = route_policy;
+ plug->ttable = ttable;
+ plug->tt_ssize = tt_ssize;
+ plug->tt_cused = tt_cused;
+ plug->tt_sused = tt_sused;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_PLUG, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(plug);
+ return err;
+ }
+ pcm->ops = &snd_pcm_plug_ops;
+ pcm->fast_ops = slave->fast_ops;
+ pcm->fast_op_arg = slave->fast_op_arg;
+ pcm->private_data = plug;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->mmap_shadow = 1;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_link_hw_ptr(pcm, slave);
+ snd_pcm_link_appl_ptr(pcm, slave);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_plug Automatic conversion plugin
+
+This plugin converts channels, rate and format on request.
+
+\code
+pcm.name {
+ type plug # Automatic conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ [format STR] # Slave format (default nearest) or "unchanged"
+ [channels INT] # Slave channels (default nearest) or "unchanged"
+ [rate INT] # Slave rate (default nearest) or "unchanged"
+ }
+ route_policy STR # route policy for automatic ttable generation
+ # STR can be 'default', 'average', 'copy', 'duplicate'
+ # average: result is average of input channels
+ # copy: only first channels are copied to destination
+ # duplicate: duplicate first set of channels
+ # default: copy policy, except for mono capture - sum
+ ttable { # Transfer table (bi-dimensional compound of cchannels * schannels numbers)
+ CCHANNEL {
+ SCHANNEL REAL # route value (0.0 - 1.0)
+ }
+ }
+ rate_converter STR # type of rate converter
+ # or
+ rate_converter [ STR1 STR2 ... ]
+ # type of rate converter
+ # default value is taken from defaults.pcm.rate_converter
+}
+\endcode
+
+\subsection pcm_plugins_plug_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_plug_open()
+ <LI>_snd_pcm_plug_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Plug PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with Plug PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_plug_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_config_t *tt = NULL;
+ enum snd_pcm_plug_route_policy route_policy = PLUG_ROUTE_POLICY_DEFAULT;
+ snd_pcm_route_ttable_entry_t *ttable = NULL;
+ unsigned int csize, ssize;
+ unsigned int cused, sused;
+ snd_pcm_format_t sformat = SND_PCM_FORMAT_UNKNOWN;
+ int schannels = -1, srate = -1;
+ const snd_config_t *rate_converter = NULL;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+#ifdef BUILD_PCM_PLUGIN_ROUTE
+ if (strcmp(id, "ttable") == 0) {
+ route_policy = PLUG_ROUTE_POLICY_NONE;
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ tt = n;
+ continue;
+ }
+ if (strcmp(id, "route_policy") == 0) {
+ const char *str;
+ if ((err = snd_config_get_string(n, &str)) < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ if (tt != NULL)
+ SNDERR("Table is defined, route policy is ignored");
+ if (!strcmp(str, "default"))
+ route_policy = PLUG_ROUTE_POLICY_DEFAULT;
+ else if (!strcmp(str, "average"))
+ route_policy = PLUG_ROUTE_POLICY_AVERAGE;
+ else if (!strcmp(str, "copy"))
+ route_policy = PLUG_ROUTE_POLICY_COPY;
+ else if (!strcmp(str, "duplicate"))
+ route_policy = PLUG_ROUTE_POLICY_DUP;
+ continue;
+ }
+#endif
+#ifdef BUILD_PCM_PLUGIN_RATE
+ if (strcmp(id, "rate_converter") == 0) {
+ rate_converter = n;
+ continue;
+ }
+#endif
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 3,
+ SND_PCM_HW_PARAM_FORMAT, SCONF_UNCHANGED, &sformat,
+ SND_PCM_HW_PARAM_CHANNELS, SCONF_UNCHANGED, &schannels,
+ SND_PCM_HW_PARAM_RATE, SCONF_UNCHANGED, &srate);
+ if (err < 0)
+ return err;
+#ifdef BUILD_PCM_PLUGIN_ROUTE
+ if (tt) {
+ err = snd_pcm_route_determine_ttable(tt, &csize, &ssize);
+ if (err < 0) {
+ snd_config_delete(sconf);
+ return err;
+ }
+ ttable = malloc(csize * ssize * sizeof(*ttable));
+ if (ttable == NULL) {
+ snd_config_delete(sconf);
+ return err;
+ }
+ err = snd_pcm_route_load_ttable(tt, ttable, csize, ssize, &cused, &sused, -1);
+ if (err < 0) {
+ snd_config_delete(sconf);
+ return err;
+ }
+ }
+#endif
+
+#ifdef BUILD_PCM_PLUGIN_RATE
+ if (! rate_converter)
+ rate_converter = snd_pcm_rate_get_default_converter(root);
+#endif
+
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_plug_open(pcmp, name, sformat, schannels, srate, rate_converter,
+ route_policy, ttable, ssize, cused, sused, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_plug_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_plugin.c b/src/pcm/pcm_plugin.c
new file mode 100644
index 0000000..c19e2f1
--- /dev/null
+++ b/src/pcm/pcm_plugin.c
@@ -0,0 +1,576 @@
+/**
+ * \file pcm/pcm_plugin.c
+ * \ingroup PCM
+ * \brief PCM Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Common plugin code
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*!
+
+\page pcm_plugins PCM (digital audio) plugins
+
+PCM plugins extends functionality and features of PCM devices.
+The plugins take care about various sample conversions, sample
+copying among channels and so on.
+
+\section pcm_plugins_slave Slave definition
+
+The slave plugin can be specified directly with a string or the definition
+can be entered inside a compound configuration node. Some restrictions can
+be also specified (like static rate or count of channels).
+
+\code
+pcm_slave.NAME {
+ pcm STR # PCM name
+ # or
+ pcm { } # PCM definition
+ format STR # Format or "unchanged"
+ channels INT # Count of channels or "unchanged" string
+ rate INT # Rate in Hz or "unchanged" string
+ period_time INT # Period time in us or "unchanged" string
+ buffer_time INT # Buffer time in us or "unchanged" string
+}
+\endcode
+
+Example:
+
+\code
+pcm_slave.slave_rate44100Hz {
+ pcm "hw:0,0"
+ rate 44100
+}
+
+pcm.rate44100Hz {
+ type plug
+ slave slave_rate44100Hz
+}
+\endcode
+
+The equivalent configuration (in one compound):
+
+\code
+pcm.rate44100Hz {
+ type plug
+ slave {
+ pcm "hw:0,0"
+ rate 44100
+ }
+}
+\endcode
+
+*/
+
+#include <sys/shm.h>
+#include <limits.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#ifndef DOC_HIDDEN
+
+static snd_pcm_sframes_t
+snd_pcm_plugin_undo_read(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ const snd_pcm_channel_area_t *res_areas ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_size ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t slave_undo_size ATTRIBUTE_UNUSED)
+{
+ return -EIO;
+}
+
+static snd_pcm_sframes_t
+snd_pcm_plugin_undo_write(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ const snd_pcm_channel_area_t *res_areas ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_size ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t slave_undo_size ATTRIBUTE_UNUSED)
+{
+ return -EIO;
+}
+
+snd_pcm_sframes_t
+snd_pcm_plugin_undo_read_generic(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ const snd_pcm_channel_area_t *res_areas ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_size ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t slave_undo_size)
+{
+ return slave_undo_size;
+}
+
+snd_pcm_sframes_t
+snd_pcm_plugin_undo_write_generic(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ const snd_pcm_channel_area_t *res_areas ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t res_size ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t slave_undo_size)
+{
+ return slave_undo_size;
+}
+
+void snd_pcm_plugin_init(snd_pcm_plugin_t *plugin)
+{
+ memset(plugin, 0, sizeof(snd_pcm_plugin_t));
+ plugin->undo_read = snd_pcm_plugin_undo_read;
+ plugin->undo_write = snd_pcm_plugin_undo_write;
+ snd_atomic_write_init(&plugin->watom);
+}
+
+static int snd_pcm_plugin_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_sframes_t sd;
+ int err = snd_pcm_delay(plugin->gen.slave, &sd);
+ if (err < 0)
+ return err;
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE &&
+ pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&
+ pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED) {
+ sd += snd_pcm_mmap_capture_avail(pcm);
+ }
+
+ *delayp = sd;
+ return 0;
+}
+
+static int snd_pcm_plugin_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ int err;
+ snd_atomic_write_begin(&plugin->watom);
+ err = snd_pcm_prepare(plugin->gen.slave);
+ if (err < 0) {
+ snd_atomic_write_end(&plugin->watom);
+ return err;
+ }
+ *pcm->hw.ptr = 0;
+ *pcm->appl.ptr = 0;
+ snd_atomic_write_end(&plugin->watom);
+ if (plugin->init) {
+ err = plugin->init(pcm);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int snd_pcm_plugin_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ int err;
+ snd_atomic_write_begin(&plugin->watom);
+ err = snd_pcm_reset(plugin->gen.slave);
+ if (err < 0) {
+ snd_atomic_write_end(&plugin->watom);
+ return err;
+ }
+ *pcm->hw.ptr = 0;
+ *pcm->appl.ptr = 0;
+ snd_atomic_write_end(&plugin->watom);
+ if (plugin->init) {
+ err = plugin->init(pcm);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_plugin_rewindable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_hw_rewindable(pcm);
+}
+
+snd_pcm_sframes_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_sframes_t n = snd_pcm_plugin_rewindable(pcm);
+ snd_pcm_sframes_t sframes;
+
+ if ((snd_pcm_uframes_t)n < frames)
+ frames = n;
+ if (frames == 0)
+ return 0;
+
+ sframes = frames;
+ snd_atomic_write_begin(&plugin->watom);
+ sframes = snd_pcm_rewind(plugin->gen.slave, sframes);
+ if (sframes < 0) {
+ snd_atomic_write_end(&plugin->watom);
+ return sframes;
+ }
+ snd_pcm_mmap_appl_backward(pcm, (snd_pcm_uframes_t) sframes);
+ snd_atomic_write_end(&plugin->watom);
+ return (snd_pcm_sframes_t) sframes;
+}
+
+static snd_pcm_sframes_t snd_pcm_plugin_forwardable(snd_pcm_t *pcm)
+{
+ return snd_pcm_mmap_avail(pcm);
+}
+
+snd_pcm_sframes_t snd_pcm_plugin_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_sframes_t n = snd_pcm_plugin_forwardable(pcm);
+ snd_pcm_sframes_t sframes;
+
+ if ((snd_pcm_uframes_t)n < frames)
+ frames = n;
+ if (frames == 0)
+ return 0;
+
+ sframes = frames;
+ snd_atomic_write_begin(&plugin->watom);
+ sframes = INTERNAL(snd_pcm_forward)(plugin->gen.slave, sframes);
+ if (sframes < 0) {
+ snd_atomic_write_end(&plugin->watom);
+ return sframes;
+ }
+ snd_pcm_mmap_appl_forward(pcm, (snd_pcm_uframes_t) frames);
+ snd_atomic_write_end(&plugin->watom);
+ return (snd_pcm_sframes_t) frames;
+}
+
+static snd_pcm_sframes_t snd_pcm_plugin_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_t *slave = plugin->gen.slave;
+ snd_pcm_uframes_t xfer = 0;
+ snd_pcm_sframes_t result;
+ int err;
+
+ while (size > 0) {
+ snd_pcm_uframes_t frames = size;
+ const snd_pcm_channel_area_t *slave_areas;
+ snd_pcm_uframes_t slave_offset;
+ snd_pcm_uframes_t slave_frames = ULONG_MAX;
+
+ err = snd_pcm_mmap_begin(slave, &slave_areas, &slave_offset, &slave_frames);
+ if (err < 0 || slave_frames == 0)
+ break;
+ frames = plugin->write(pcm, areas, offset, frames,
+ slave_areas, slave_offset, &slave_frames);
+ if (CHECK_SANITY(slave_frames > snd_pcm_mmap_playback_avail(slave))) {
+ SNDMSG("write overflow %ld > %ld", slave_frames,
+ snd_pcm_mmap_playback_avail(slave));
+ return -EPIPE;
+ }
+ snd_atomic_write_begin(&plugin->watom);
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ result = snd_pcm_mmap_commit(slave, slave_offset, slave_frames);
+ if (result > 0 && (snd_pcm_uframes_t)result != slave_frames) {
+ snd_pcm_sframes_t res;
+ res = plugin->undo_write(pcm, slave_areas, slave_offset + result, slave_frames, slave_frames - result);
+ if (res < 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : res;
+ frames -= res;
+ }
+ snd_atomic_write_end(&plugin->watom);
+ if (result <= 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : result;
+ offset += frames;
+ xfer += frames;
+ size -= frames;
+ }
+ return (snd_pcm_sframes_t)xfer;
+}
+
+static snd_pcm_sframes_t snd_pcm_plugin_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_t *slave = plugin->gen.slave;
+ snd_pcm_uframes_t xfer = 0;
+ snd_pcm_sframes_t result;
+
+ while (size > 0) {
+ snd_pcm_uframes_t frames = size;
+ const snd_pcm_channel_area_t *slave_areas;
+ snd_pcm_uframes_t slave_offset;
+ snd_pcm_uframes_t slave_frames = ULONG_MAX;
+
+ snd_pcm_mmap_begin(slave, &slave_areas, &slave_offset, &slave_frames);
+ if (slave_frames == 0)
+ break;
+ frames = (plugin->read)(pcm, areas, offset, frames,
+ slave_areas, slave_offset, &slave_frames);
+ if (CHECK_SANITY(slave_frames > snd_pcm_mmap_capture_avail(slave))) {
+ SNDMSG("read overflow %ld > %ld", slave_frames,
+ snd_pcm_mmap_playback_avail(slave));
+ return -EPIPE;
+ }
+ snd_atomic_write_begin(&plugin->watom);
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ result = snd_pcm_mmap_commit(slave, slave_offset, slave_frames);
+ if (result > 0 && (snd_pcm_uframes_t)result != slave_frames) {
+ snd_pcm_sframes_t res;
+
+ res = plugin->undo_read(slave, areas, offset, frames, slave_frames - result);
+ if (res < 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : res;
+ frames -= res;
+ }
+ snd_atomic_write_end(&plugin->watom);
+ if (result <= 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : result;
+ offset += frames;
+ xfer += frames;
+ size -= frames;
+ }
+ return (snd_pcm_sframes_t)xfer;
+}
+
+
+static snd_pcm_sframes_t
+snd_pcm_plugin_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_buf(pcm, areas, (void*)buffer);
+ return snd_pcm_write_areas(pcm, areas, 0, size,
+ snd_pcm_plugin_write_areas);
+}
+
+static snd_pcm_sframes_t
+snd_pcm_plugin_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_bufs(pcm, areas, bufs);
+ return snd_pcm_write_areas(pcm, areas, 0, size,
+ snd_pcm_plugin_write_areas);
+}
+
+static snd_pcm_sframes_t
+snd_pcm_plugin_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_buf(pcm, areas, buffer);
+ return snd_pcm_read_areas(pcm, areas, 0, size,
+ snd_pcm_plugin_read_areas);
+}
+
+static snd_pcm_sframes_t
+snd_pcm_plugin_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)
+{
+ snd_pcm_channel_area_t areas[pcm->channels];
+ snd_pcm_areas_from_bufs(pcm, areas, bufs);
+ return snd_pcm_read_areas(pcm, areas, 0, size,
+ snd_pcm_plugin_read_areas);
+}
+
+static snd_pcm_sframes_t
+snd_pcm_plugin_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_t *slave = plugin->gen.slave;
+ const snd_pcm_channel_area_t *areas;
+ snd_pcm_uframes_t appl_offset;
+ snd_pcm_sframes_t slave_size;
+ snd_pcm_sframes_t xfer;
+
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE) {
+ snd_atomic_write_begin(&plugin->watom);
+ snd_pcm_mmap_appl_forward(pcm, size);
+ snd_atomic_write_end(&plugin->watom);
+ return size;
+ }
+ slave_size = snd_pcm_avail_update(slave);
+ if (slave_size < 0)
+ return slave_size;
+ areas = snd_pcm_mmap_areas(pcm);
+ appl_offset = snd_pcm_mmap_offset(pcm);
+ xfer = 0;
+ while (size > 0 && slave_size > 0) {
+ snd_pcm_uframes_t frames = size;
+ snd_pcm_uframes_t cont = pcm->buffer_size - appl_offset;
+ const snd_pcm_channel_area_t *slave_areas;
+ snd_pcm_uframes_t slave_offset;
+ snd_pcm_uframes_t slave_frames = ULONG_MAX;
+ snd_pcm_sframes_t result;
+ int err;
+
+ err = snd_pcm_mmap_begin(slave, &slave_areas, &slave_offset, &slave_frames);
+ if (err < 0)
+ return xfer > 0 ? xfer : err;
+ if (frames > cont)
+ frames = cont;
+ frames = plugin->write(pcm, areas, appl_offset, frames,
+ slave_areas, slave_offset, &slave_frames);
+ snd_atomic_write_begin(&plugin->watom);
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ result = snd_pcm_mmap_commit(slave, slave_offset, slave_frames);
+ snd_atomic_write_end(&plugin->watom);
+ if (result > 0 && (snd_pcm_uframes_t)result != slave_frames) {
+ snd_pcm_sframes_t res;
+
+ res = plugin->undo_write(pcm, slave_areas, slave_offset + result, slave_frames, slave_frames - result);
+ if (res < 0)
+ return xfer > 0 ? xfer : res;
+ frames -= res;
+ }
+ if (result <= 0)
+ return xfer > 0 ? xfer : result;
+ if (frames == cont)
+ appl_offset = 0;
+ else
+ appl_offset += result;
+ size -= frames;
+ slave_size -= frames;
+ xfer += frames;
+ }
+ if (CHECK_SANITY(size)) {
+ SNDMSG("short commit: %ld", size);
+ return -EPIPE;
+ }
+ return xfer;
+}
+
+static snd_pcm_sframes_t snd_pcm_plugin_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_t *slave = plugin->gen.slave;
+ snd_pcm_sframes_t slave_size;
+
+ slave_size = snd_pcm_avail_update(slave);
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE &&
+ pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&
+ pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED)
+ goto _capture;
+ *pcm->hw.ptr = *slave->hw.ptr;
+ return slave_size;
+ _capture:
+ {
+ const snd_pcm_channel_area_t *areas;
+ snd_pcm_uframes_t xfer, hw_offset, size;
+
+ xfer = snd_pcm_mmap_capture_avail(pcm);
+ size = pcm->buffer_size - xfer;
+ areas = snd_pcm_mmap_areas(pcm);
+ hw_offset = snd_pcm_mmap_hw_offset(pcm);
+ while (size > 0 && slave_size > 0) {
+ snd_pcm_uframes_t frames = size;
+ snd_pcm_uframes_t cont = pcm->buffer_size - hw_offset;
+ const snd_pcm_channel_area_t *slave_areas;
+ snd_pcm_uframes_t slave_offset;
+ snd_pcm_uframes_t slave_frames = ULONG_MAX;
+ snd_pcm_sframes_t result;
+ int err;
+
+ err = snd_pcm_mmap_begin(slave, &slave_areas, &slave_offset, &slave_frames);
+ if (err < 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : err;
+ if (frames > cont)
+ frames = cont;
+ frames = (plugin->read)(pcm, areas, hw_offset, frames,
+ slave_areas, slave_offset, &slave_frames);
+ snd_atomic_write_begin(&plugin->watom);
+ snd_pcm_mmap_hw_forward(pcm, frames);
+ result = snd_pcm_mmap_commit(slave, slave_offset, slave_frames);
+ snd_atomic_write_end(&plugin->watom);
+ if (result > 0 && (snd_pcm_uframes_t)result != slave_frames) {
+ snd_pcm_sframes_t res;
+
+ res = plugin->undo_read(slave, areas, hw_offset, frames, slave_frames - result);
+ if (res < 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : res;
+ frames -= res;
+ }
+ if (result <= 0)
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : result;
+ if (frames == cont)
+ hw_offset = 0;
+ else
+ hw_offset += frames;
+ size -= frames;
+ slave_size -= slave_frames;
+ xfer += frames;
+ }
+ return (snd_pcm_sframes_t)xfer;
+ }
+}
+
+static int snd_pcm_plugin_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_plugin_t *plugin = pcm->private_data;
+ snd_pcm_sframes_t err;
+ snd_atomic_read_t ratom;
+ snd_atomic_read_init(&ratom, &plugin->watom);
+ _again:
+ snd_atomic_read_begin(&ratom);
+ /* sync with the latest hw and appl ptrs */
+ snd_pcm_plugin_avail_update(pcm);
+
+ err = snd_pcm_status(plugin->gen.slave, status);
+ if (err < 0) {
+ snd_atomic_read_ok(&ratom);
+ return err;
+ }
+ status->appl_ptr = *pcm->appl.ptr;
+ status->hw_ptr = *pcm->hw.ptr;
+ if (!snd_atomic_read_ok(&ratom)) {
+ snd_atomic_read_wait(&ratom);
+ goto _again;
+ }
+ return 0;
+}
+
+const snd_pcm_fast_ops_t snd_pcm_plugin_fast_ops = {
+ .status = snd_pcm_plugin_status,
+ .state = snd_pcm_generic_state,
+ .hwsync = snd_pcm_generic_hwsync,
+ .delay = snd_pcm_plugin_delay,
+ .prepare = snd_pcm_plugin_prepare,
+ .reset = snd_pcm_plugin_reset,
+ .start = snd_pcm_generic_start,
+ .drop = snd_pcm_generic_drop,
+ .drain = snd_pcm_generic_drain,
+ .pause = snd_pcm_generic_pause,
+ .rewindable = snd_pcm_plugin_rewindable,
+ .rewind = snd_pcm_plugin_rewind,
+ .forwardable = snd_pcm_plugin_forwardable,
+ .forward = snd_pcm_plugin_forward,
+ .resume = snd_pcm_generic_resume,
+ .link = snd_pcm_generic_link,
+ .link_slaves = snd_pcm_generic_link_slaves,
+ .unlink = snd_pcm_generic_unlink,
+ .writei = snd_pcm_plugin_writei,
+ .writen = snd_pcm_plugin_writen,
+ .readi = snd_pcm_plugin_readi,
+ .readn = snd_pcm_plugin_readn,
+ .avail_update = snd_pcm_plugin_avail_update,
+ .mmap_commit = snd_pcm_plugin_mmap_commit,
+ .htimestamp = snd_pcm_generic_htimestamp,
+ .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
+ .poll_descriptors = snd_pcm_generic_poll_descriptors,
+ .poll_revents = snd_pcm_generic_poll_revents,
+ .may_wait_for_avail_min = snd_pcm_generic_may_wait_for_avail_min,
+};
+
+#endif
diff --git a/src/pcm/pcm_plugin.h b/src/pcm/pcm_plugin.h
new file mode 100644
index 0000000..b0a3e18
--- /dev/null
+++ b/src/pcm/pcm_plugin.h
@@ -0,0 +1,154 @@
+/*
+ * PCM - Common plugin code
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "iatomic.h"
+#include "pcm_generic.h"
+
+typedef snd_pcm_uframes_t (*snd_pcm_slave_xfer_areas_func_t)
+ (snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep);
+
+typedef snd_pcm_sframes_t (*snd_pcm_slave_xfer_areas_undo_func_t)
+ (snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *res_areas, /* result areas */
+ snd_pcm_uframes_t res_offset, /* offset of result areas */
+ snd_pcm_uframes_t res_size, /* size of result areas */
+ snd_pcm_uframes_t slave_undo_size);
+
+typedef struct {
+ snd_pcm_generic_t gen;
+ snd_pcm_slave_xfer_areas_func_t read;
+ snd_pcm_slave_xfer_areas_func_t write;
+ snd_pcm_slave_xfer_areas_undo_func_t undo_read;
+ snd_pcm_slave_xfer_areas_undo_func_t undo_write;
+ int (*init)(snd_pcm_t *pcm);
+ snd_pcm_uframes_t appl_ptr, hw_ptr;
+ snd_atomic_write_t watom;
+} snd_pcm_plugin_t;
+
+/* make local functions really local */
+#define snd_pcm_plugin_init \
+ snd1_pcm_plugin_init
+#define snd_pcm_plugin_fast_ops \
+ snd1_pcm_plugin_fast_ops
+#define snd_pcm_plugin_undo_read_generic \
+ snd1_pcm_plugin_undo_read_generic
+#define snd_pcm_plugin_undo_write_generic \
+ snd1_pcm_plugin_undo_write_generic
+#define snd_pcm_plugin_rewind \
+ snd1_pcm_plugin_rewind
+#define snd_pcm_plugin_forward \
+ snd1_pcm_plugin_forward
+
+void snd_pcm_plugin_init(snd_pcm_plugin_t *plugin);
+snd_pcm_sframes_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_plugin_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+
+extern const snd_pcm_fast_ops_t snd_pcm_plugin_fast_ops;
+
+snd_pcm_sframes_t snd_pcm_plugin_undo_read_generic
+ (snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *res_areas, /* result areas */
+ snd_pcm_uframes_t res_offset, /* offset of result areas */
+ snd_pcm_uframes_t res_size, /* size of result areas */
+ snd_pcm_uframes_t slave_undo_size);
+
+snd_pcm_sframes_t snd_pcm_plugin_undo_write_generic
+ (snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *res_areas, /* result areas */
+ snd_pcm_uframes_t res_offset, /* offset of result areas */
+ snd_pcm_uframes_t res_size, /* size of result areas */
+ snd_pcm_uframes_t slave_undo_size);
+
+/* make local functions really local */
+#define snd_pcm_linear_get_index snd1_pcm_linear_get_index
+#define snd_pcm_linear_put_index snd1_pcm_linear_put_index
+#define snd_pcm_linear_convert_index snd1_pcm_linear_convert_index
+#define snd_pcm_linear_convert snd1_pcm_linear_convert
+#define snd_pcm_linear_getput snd1_pcm_linear_getput
+#define snd_pcm_alaw_decode snd1_pcm_alaw_decode
+#define snd_pcm_alaw_encode snd1_pcm_alaw_encode
+#define snd_pcm_mulaw_decode snd1_pcm_mulaw_decode
+#define snd_pcm_mulaw_encode snd1_pcm_mulaw_encode
+#define snd_pcm_adpcm_decode snd1_pcm_adpcm_decode
+#define snd_pcm_adpcm_encode snd1_pcm_adpcm_encode
+
+int snd_pcm_linear_get_index(snd_pcm_format_t src_format, snd_pcm_format_t dst_format);
+int snd_pcm_linear_put_index(snd_pcm_format_t src_format, snd_pcm_format_t dst_format);
+int snd_pcm_linear_convert_index(snd_pcm_format_t src_format, snd_pcm_format_t dst_format);
+
+void snd_pcm_linear_convert(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int convidx);
+void snd_pcm_linear_getput(const snd_pcm_channel_area_t *dst_areas, snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int get_idx, unsigned int put_idx);
+void snd_pcm_alaw_decode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int putidx);
+void snd_pcm_alaw_encode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getidx);
+void snd_pcm_mulaw_decode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int putidx);
+void snd_pcm_mulaw_encode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getidx);
+
+typedef struct _snd_pcm_adpcm_state {
+ int pred_val; /* Calculated predicted value */
+ int step_idx; /* Previous StepSize lookup index */
+} snd_pcm_adpcm_state_t;
+
+void snd_pcm_adpcm_decode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int putidx,
+ snd_pcm_adpcm_state_t *states);
+void snd_pcm_adpcm_encode(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels, snd_pcm_uframes_t frames,
+ unsigned int getidx,
+ snd_pcm_adpcm_state_t *states);
diff --git a/src/pcm/pcm_rate.c b/src/pcm/pcm_rate.c
new file mode 100644
index 0000000..c76db25
--- /dev/null
+++ b/src/pcm/pcm_rate.c
@@ -0,0 +1,1489 @@
+/**
+ * \file pcm/pcm_rate.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Rate Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2004
+ */
+/*
+ * PCM - Rate conversion
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ * 2004 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#include <inttypes.h>
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+#include "pcm_rate.h"
+#include "iatomic.h"
+
+#include "plugin_ops.h"
+
+#if 0
+#define DEBUG_REFINE
+#endif
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_rate = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+typedef struct _snd_pcm_rate snd_pcm_rate_t;
+
+struct _snd_pcm_rate {
+ snd_pcm_generic_t gen;
+ snd_atomic_write_t watom;
+ snd_pcm_uframes_t appl_ptr, hw_ptr;
+ snd_pcm_uframes_t last_commit_ptr;
+ snd_pcm_uframes_t orig_avail_min;
+ snd_pcm_sw_params_t sw_params;
+ snd_pcm_format_t sformat;
+ unsigned int srate;
+ snd_pcm_channel_area_t *pareas; /* areas for splitted period (rate pcm) */
+ snd_pcm_channel_area_t *sareas; /* areas for splitted period (slave pcm) */
+ snd_pcm_rate_info_t info;
+ void *open_func;
+ void *obj;
+ snd_pcm_rate_ops_t ops;
+ unsigned int get_idx;
+ unsigned int put_idx;
+ int16_t *src_buf;
+ int16_t *dst_buf;
+ int start_pending; /* start is triggered but not commited to slave */
+ snd_htimestamp_t trigger_tstamp;
+ unsigned int plugin_version;
+ unsigned int rate_min, rate_max;
+};
+
+#define SND_PCM_RATE_PLUGIN_VERSION_OLD 0x010001 /* old rate plugin */
+
+#endif /* DOC_HIDDEN */
+
+static int snd_pcm_rate_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ snd_pcm_format_mask_t format_mask = { SND_PCM_FMTBIT_LINEAR };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ if (rate->rate_min) {
+ err = _snd_pcm_hw_param_set_min(params, SND_PCM_HW_PARAM_RATE,
+ rate->rate_min, 0);
+ if (err < 0)
+ return err;
+ }
+ if (rate->rate_max) {
+ err = _snd_pcm_hw_param_set_max(params, SND_PCM_HW_PARAM_RATE,
+ rate->rate_max, 0);
+ if (err < 0)
+ return err;
+ }
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_rate_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ if (rate->sformat != SND_PCM_FORMAT_UNKNOWN) {
+ _snd_pcm_hw_params_set_format(sparams, rate->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ }
+ _snd_pcm_hw_param_set_minmax(sparams, SND_PCM_HW_PARAM_RATE,
+ rate->srate, 0, rate->srate + 1, -1);
+ return 0;
+}
+
+static int snd_pcm_rate_hw_refine_schange(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_interval_t t, buffer_size;
+ const snd_interval_t *srate, *crate;
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ if (rate->sformat == SND_PCM_FORMAT_UNKNOWN)
+ links |= (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS |
+ SND_PCM_HW_PARBIT_FRAME_BITS);
+ snd_interval_copy(&buffer_size, snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_BUFFER_SIZE));
+ snd_interval_unfloor(&buffer_size);
+ crate = snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_RATE);
+ srate = snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_RATE);
+ snd_interval_muldiv(&buffer_size, srate, crate, &t);
+ err = _snd_pcm_hw_param_set_interval(sparams, SND_PCM_HW_PARAM_BUFFER_SIZE, &t);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_rate_hw_refine_cchange(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_interval_t t;
+#ifdef DEBUG_REFINE
+ snd_output_t *out;
+#endif
+ const snd_interval_t *sbuffer_size, *buffer_size;
+ const snd_interval_t *srate, *crate;
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ if (rate->sformat == SND_PCM_FORMAT_UNKNOWN)
+ links |= (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS |
+ SND_PCM_HW_PARBIT_FRAME_BITS);
+ sbuffer_size = snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_BUFFER_SIZE);
+ crate = snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_RATE);
+ srate = snd_pcm_hw_param_get_interval(sparams, SND_PCM_HW_PARAM_RATE);
+ snd_interval_muldiv(sbuffer_size, crate, srate, &t);
+ snd_interval_floor(&t);
+ err = _snd_pcm_hw_param_set_interval(params, SND_PCM_HW_PARAM_BUFFER_SIZE, &t);
+ if (err < 0)
+ return err;
+ buffer_size = snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_BUFFER_SIZE);
+ /*
+ * this condition probably needs more work:
+ * in case when the buffer_size is known and we are looking
+ * for best period_size, we should prefer situation when
+ * (buffer_size / period_size) * period_size == buffer_size
+ */
+ if (snd_interval_single(buffer_size) && buffer_size->integer) {
+ snd_interval_t *period_size;
+ period_size = (snd_interval_t *)snd_pcm_hw_param_get_interval(params, SND_PCM_HW_PARAM_PERIOD_SIZE);
+ if (!snd_interval_checkempty(period_size) &&
+ period_size->openmin && period_size->openmax &&
+ period_size->min + 1 == period_size->max) {
+ if (period_size->min > 0 && (buffer_size->min / period_size->min) * period_size->min == buffer_size->min) {
+ snd_interval_set_value(period_size, period_size->min);
+ } else if ((buffer_size->max / period_size->max) * period_size->max == buffer_size->max) {
+ snd_interval_set_value(period_size, period_size->max);
+ }
+ }
+ }
+#ifdef DEBUG_REFINE
+ snd_output_stdio_attach(&out, stderr, 0);
+ snd_output_printf(out, "REFINE (params):\n");
+ snd_pcm_hw_params_dump(params, out);
+ snd_output_printf(out, "REFINE (slave params):\n");
+ snd_pcm_hw_params_dump(sparams, out);
+ snd_output_close(out);
+#endif
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+#ifdef DEBUG_REFINE
+ snd_output_stdio_attach(&out, stderr, 0);
+ snd_output_printf(out, "********************\n");
+ snd_output_printf(out, "REFINE (params) (%i):\n", err);
+ snd_pcm_hw_params_dump(params, out);
+ snd_output_printf(out, "REFINE (slave params):\n");
+ snd_pcm_hw_params_dump(sparams, out);
+ snd_output_close(out);
+#endif
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_rate_hw_refine(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_rate_hw_refine_cprepare,
+ snd_pcm_rate_hw_refine_cchange,
+ snd_pcm_rate_hw_refine_sprepare,
+ snd_pcm_rate_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_rate_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_t *slave = rate->gen.slave;
+ snd_pcm_rate_side_info_t *sinfo, *cinfo;
+ unsigned int channels, cwidth, swidth, chn;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_rate_hw_refine_cchange,
+ snd_pcm_rate_hw_refine_sprepare,
+ snd_pcm_rate_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ cinfo = &rate->info.in;
+ sinfo = &rate->info.out;
+ } else {
+ sinfo = &rate->info.in;
+ cinfo = &rate->info.out;
+ }
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &cinfo->format);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_get_rate)(params, &cinfo->rate, 0);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_get_period_size)(params, &cinfo->period_size, 0);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_get_buffer_size)(params, &cinfo->buffer_size);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_get_channels)(params, &channels);
+ if (err < 0)
+ return err;
+
+ rate->info.channels = channels;
+ sinfo->format = slave->format;
+ sinfo->rate = slave->rate;
+ sinfo->buffer_size = slave->buffer_size;
+ sinfo->period_size = slave->period_size;
+
+ if (CHECK_SANITY(rate->pareas)) {
+ SNDMSG("rate plugin already in use");
+ return -EBUSY;
+ }
+ err = rate->ops.init(rate->obj, &rate->info);
+ if (err < 0)
+ return err;
+
+ rate->pareas = malloc(2 * channels * sizeof(*rate->pareas));
+ if (rate->pareas == NULL)
+ goto error;
+
+ cwidth = snd_pcm_format_physical_width(cinfo->format);
+ swidth = snd_pcm_format_physical_width(sinfo->format);
+ rate->pareas[0].addr = malloc(((cwidth * channels * cinfo->period_size) / 8) +
+ ((swidth * channels * sinfo->period_size) / 8));
+ if (rate->pareas[0].addr == NULL)
+ goto error;
+
+ rate->sareas = rate->pareas + channels;
+ rate->sareas[0].addr = (char *)rate->pareas[0].addr + ((cwidth * channels * cinfo->period_size) / 8);
+ for (chn = 0; chn < channels; chn++) {
+ rate->pareas[chn].addr = rate->pareas[0].addr + (cwidth * chn * cinfo->period_size) / 8;
+ rate->pareas[chn].first = 0;
+ rate->pareas[chn].step = cwidth;
+ rate->sareas[chn].addr = rate->sareas[0].addr + (swidth * chn * sinfo->period_size) / 8;
+ rate->sareas[chn].first = 0;
+ rate->sareas[chn].step = swidth;
+ }
+
+ if (rate->ops.convert_s16) {
+ rate->get_idx = snd_pcm_linear_get_index(rate->info.in.format, SND_PCM_FORMAT_S16);
+ rate->put_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, rate->info.out.format);
+ free(rate->src_buf);
+ rate->src_buf = malloc(channels * rate->info.in.period_size * 2);
+ free(rate->dst_buf);
+ rate->dst_buf = malloc(channels * rate->info.out.period_size * 2);
+ if (! rate->src_buf || ! rate->dst_buf)
+ goto error;
+ }
+
+ return 0;
+
+ error:
+ if (rate->pareas) {
+ free(rate->pareas[0].addr);
+ free(rate->pareas);
+ rate->pareas = NULL;
+ }
+ if (rate->ops.free)
+ rate->ops.free(rate->obj);
+ return -ENOMEM;
+}
+
+static int snd_pcm_rate_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ if (rate->pareas) {
+ free(rate->pareas[0].addr);
+ free(rate->pareas);
+ rate->pareas = NULL;
+ rate->sareas = NULL;
+ }
+ if (rate->ops.free)
+ rate->ops.free(rate->obj);
+ free(rate->src_buf);
+ free(rate->dst_buf);
+ rate->src_buf = rate->dst_buf = NULL;
+ return snd_pcm_hw_free(rate->gen.slave);
+}
+
+static void recalc(snd_pcm_t *pcm, snd_pcm_uframes_t *val)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_t *slave = rate->gen.slave;
+ unsigned long div;
+
+ if (*val == pcm->buffer_size) {
+ *val = slave->buffer_size;
+ } else {
+ div = *val / pcm->period_size;
+ if (div * pcm->period_size == *val)
+ *val = div * slave->period_size;
+ else
+ *val = muldiv_near(*val, slave->period_size, pcm->period_size);
+ }
+}
+
+static int snd_pcm_rate_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t * params)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_t *slave = rate->gen.slave;
+ snd_pcm_sw_params_t *sparams;
+ snd_pcm_uframes_t boundary1, boundary2, sboundary;
+ int err;
+
+ sparams = &rate->sw_params;
+ err = snd_pcm_sw_params_current(slave, sparams);
+ if (err < 0)
+ return err;
+ sboundary = sparams->boundary;
+ *sparams = *params;
+ boundary1 = pcm->buffer_size;
+ boundary2 = slave->buffer_size;
+ while (boundary1 * 2 <= LONG_MAX - pcm->buffer_size &&
+ boundary2 * 2 <= LONG_MAX - slave->buffer_size) {
+ boundary1 *= 2;
+ boundary2 *= 2;
+ }
+ params->boundary = boundary1;
+ sparams->boundary = sboundary;
+
+ if (rate->ops.adjust_pitch)
+ rate->ops.adjust_pitch(rate->obj, &rate->info);
+
+ recalc(pcm, &sparams->avail_min);
+ rate->orig_avail_min = sparams->avail_min;
+ recalc(pcm, &sparams->start_threshold);
+ if (sparams->avail_min < 1) sparams->avail_min = 1;
+ if (sparams->start_threshold <= slave->buffer_size) {
+ if (sparams->start_threshold > (slave->buffer_size / sparams->avail_min) * sparams->avail_min)
+ sparams->start_threshold = (slave->buffer_size / sparams->avail_min) * sparams->avail_min;
+ }
+ if (sparams->stop_threshold >= params->boundary) {
+ sparams->stop_threshold = sparams->boundary;
+ } else {
+ recalc(pcm, &sparams->stop_threshold);
+ }
+ recalc(pcm, &sparams->silence_threshold);
+ if (sparams->silence_size >= params->boundary) {
+ sparams->silence_size = sparams->boundary;
+ } else {
+ recalc(pcm, &sparams->silence_size);
+ }
+ return snd_pcm_sw_params(slave, sparams);
+}
+
+static int snd_pcm_rate_init(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+
+ if (rate->ops.reset)
+ rate->ops.reset(rate->obj);
+ rate->last_commit_ptr = 0;
+ rate->start_pending = 0;
+ return 0;
+}
+
+static void convert_to_s16(snd_pcm_rate_t *rate, int16_t *buf,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset, unsigned int frames,
+ unsigned int channels)
+{
+#ifndef DOC_HIDDEN
+#define GET16_LABELS
+#include "plugin_ops.h"
+#undef GET16_LABELS
+#endif /* DOC_HIDDEN */
+ void *get = get16_labels[rate->get_idx];
+ const char *src;
+ int16_t sample;
+ const char *srcs[channels];
+ int src_step[channels];
+ unsigned int c;
+
+ for (c = 0; c < channels; c++) {
+ srcs[c] = snd_pcm_channel_area_addr(areas + c, offset);
+ src_step[c] = snd_pcm_channel_area_step(areas + c);
+ }
+
+ while (frames--) {
+ for (c = 0; c < channels; c++) {
+ src = srcs[c];
+ goto *get;
+#ifndef DOC_HIDDEN
+#define GET16_END after_get
+#include "plugin_ops.h"
+#undef GET16_END
+#endif /* DOC_HIDDEN */
+ after_get:
+ *buf++ = sample;
+ srcs[c] += src_step[c];
+ }
+ }
+}
+
+static void convert_from_s16(snd_pcm_rate_t *rate, const int16_t *buf,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset, unsigned int frames,
+ unsigned int channels)
+{
+#ifndef DOC_HIDDEN
+#define PUT16_LABELS
+#include "plugin_ops.h"
+#undef PUT16_LABELS
+#endif /* DOC_HIDDEN */
+ void *put = put16_labels[rate->put_idx];
+ char *dst;
+ int16_t sample;
+ char *dsts[channels];
+ int dst_step[channels];
+ unsigned int c;
+
+ for (c = 0; c < channels; c++) {
+ dsts[c] = snd_pcm_channel_area_addr(areas + c, offset);
+ dst_step[c] = snd_pcm_channel_area_step(areas + c);
+ }
+
+ while (frames--) {
+ for (c = 0; c < channels; c++) {
+ dst = dsts[c];
+ sample = *buf++;
+ goto *put;
+#ifndef DOC_HIDDEN
+#define PUT16_END after_put
+#include "plugin_ops.h"
+#undef PUT16_END
+#endif /* DOC_HIDDEN */
+ after_put:
+ dsts[c] += dst_step[c];
+ }
+ }
+}
+
+static void do_convert(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames,
+ unsigned int channels,
+ snd_pcm_rate_t *rate)
+{
+ if (rate->ops.convert_s16) {
+ const int16_t *src;
+ int16_t *dst;
+ if (! rate->src_buf)
+ src = src_areas->addr + src_offset * 2 * channels;
+ else {
+ convert_to_s16(rate, rate->src_buf, src_areas, src_offset,
+ src_frames, channels);
+ src = rate->src_buf;
+ }
+ if (! rate->dst_buf)
+ dst = dst_areas->addr + dst_offset * 2 * channels;
+ else
+ dst = rate->dst_buf;
+ rate->ops.convert_s16(rate->obj, dst, dst_frames, src, src_frames);
+ if (dst == rate->dst_buf)
+ convert_from_s16(rate, rate->dst_buf, dst_areas, dst_offset,
+ dst_frames, channels);
+ } else {
+ rate->ops.convert(rate->obj, dst_areas, dst_offset, dst_frames,
+ src_areas, src_offset, src_frames);
+ }
+}
+
+static inline void
+snd_pcm_rate_write_areas1(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ do_convert(slave_areas, slave_offset, rate->gen.slave->period_size,
+ areas, offset, pcm->period_size,
+ pcm->channels, rate);
+}
+
+static inline void
+snd_pcm_rate_read_areas1(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ do_convert(areas, offset, pcm->period_size,
+ slave_areas, slave_offset, rate->gen.slave->period_size,
+ pcm->channels, rate);
+}
+
+static inline void snd_pcm_rate_sync_hwptr(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_uframes_t slave_hw_ptr = *rate->gen.slave->hw.ptr;
+
+ if (pcm->stream != SND_PCM_STREAM_PLAYBACK)
+ return;
+ /* FIXME: boundary overlap of slave hw_ptr isn't evaluated here!
+ * e.g. if slave rate is small...
+ */
+ rate->hw_ptr =
+ (slave_hw_ptr / rate->gen.slave->period_size) * pcm->period_size +
+ rate->ops.input_frames(rate->obj, slave_hw_ptr % rate->gen.slave->period_size);
+
+ rate->hw_ptr %= pcm->boundary;
+}
+
+static int snd_pcm_rate_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ int err = snd_pcm_hwsync(rate->gen.slave);
+ if (err < 0)
+ return err;
+ snd_atomic_write_begin(&rate->watom);
+ snd_pcm_rate_sync_hwptr(pcm);
+ snd_atomic_write_end(&rate->watom);
+ return 0;
+}
+
+static int snd_pcm_rate_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_rate_hwsync(pcm);
+ *delayp = snd_pcm_mmap_hw_avail(pcm);
+ return 0;
+}
+
+static int snd_pcm_rate_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ int err;
+
+ snd_atomic_write_begin(&rate->watom);
+ err = snd_pcm_prepare(rate->gen.slave);
+ if (err < 0) {
+ snd_atomic_write_end(&rate->watom);
+ return err;
+ }
+ *pcm->hw.ptr = 0;
+ *pcm->appl.ptr = 0;
+ snd_atomic_write_end(&rate->watom);
+ err = snd_pcm_rate_init(pcm);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_rate_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ int err;
+ snd_atomic_write_begin(&rate->watom);
+ err = snd_pcm_reset(rate->gen.slave);
+ if (err < 0) {
+ snd_atomic_write_end(&rate->watom);
+ return err;
+ }
+ *pcm->hw.ptr = 0;
+ *pcm->appl.ptr = 0;
+ snd_atomic_write_end(&rate->watom);
+ err = snd_pcm_rate_init(pcm);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_rate_rewindable(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_rate_forwardable(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_rate_rewind(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t frames ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_rate_forward(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t frames ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_rate_commit_area(snd_pcm_t *pcm, snd_pcm_rate_t *rate,
+ snd_pcm_uframes_t appl_offset,
+ snd_pcm_uframes_t size,
+ snd_pcm_uframes_t slave_size)
+{
+ snd_pcm_uframes_t cont = pcm->buffer_size - appl_offset;
+ const snd_pcm_channel_area_t *areas;
+ const snd_pcm_channel_area_t *slave_areas;
+ snd_pcm_uframes_t slave_offset, xfer;
+ snd_pcm_uframes_t slave_frames = ULONG_MAX;
+ snd_pcm_sframes_t result;
+
+ areas = snd_pcm_mmap_areas(pcm);
+ if (cont >= size) {
+ result = snd_pcm_mmap_begin(rate->gen.slave, &slave_areas, &slave_offset, &slave_frames);
+ if (result < 0)
+ return result;
+ if (slave_frames < slave_size) {
+ snd_pcm_rate_write_areas1(pcm, areas, appl_offset, rate->sareas, 0);
+ goto __partial;
+ }
+ snd_pcm_rate_write_areas1(pcm, areas, appl_offset,
+ slave_areas, slave_offset);
+ result = snd_pcm_mmap_commit(rate->gen.slave, slave_offset, slave_size);
+ if (result < (snd_pcm_sframes_t)slave_size) {
+ if (result < 0)
+ return result;
+ result = snd_pcm_rewind(rate->gen.slave, result);
+ if (result < 0)
+ return result;
+ return 0;
+ }
+ } else {
+ snd_pcm_areas_copy(rate->pareas, 0,
+ areas, appl_offset,
+ pcm->channels, cont,
+ pcm->format);
+ snd_pcm_areas_copy(rate->pareas, cont,
+ areas, 0,
+ pcm->channels, size - cont,
+ pcm->format);
+
+ snd_pcm_rate_write_areas1(pcm, rate->pareas, 0, rate->sareas, 0);
+
+ /* ok, commit first fragment */
+ result = snd_pcm_mmap_begin(rate->gen.slave, &slave_areas, &slave_offset, &slave_frames);
+ if (result < 0)
+ return result;
+ __partial:
+ xfer = 0;
+ cont = slave_frames;
+ if (cont > slave_size)
+ cont = slave_size;
+ snd_pcm_areas_copy(slave_areas, slave_offset,
+ rate->sareas, 0,
+ pcm->channels, cont,
+ rate->gen.slave->format);
+ result = snd_pcm_mmap_commit(rate->gen.slave, slave_offset, cont);
+ if (result < (snd_pcm_sframes_t)cont) {
+ if (result < 0)
+ return result;
+ result = snd_pcm_rewind(rate->gen.slave, result);
+ if (result < 0)
+ return result;
+ return 0;
+ }
+ xfer = cont;
+
+ if (xfer == slave_size)
+ goto commit_done;
+
+ /* commit second fragment */
+ cont = slave_size - cont;
+ slave_frames = cont;
+ result = snd_pcm_mmap_begin(rate->gen.slave, &slave_areas, &slave_offset, &slave_frames);
+ if (result < 0)
+ return result;
+#if 0
+ if (slave_offset) {
+ SNDERR("non-zero slave_offset %ld", slave_offset);
+ return -EIO;
+ }
+#endif
+ snd_pcm_areas_copy(slave_areas, slave_offset,
+ rate->sareas, xfer,
+ pcm->channels, cont,
+ rate->gen.slave->format);
+ result = snd_pcm_mmap_commit(rate->gen.slave, slave_offset, cont);
+ if (result < (snd_pcm_sframes_t)cont) {
+ if (result < 0)
+ return result;
+ result = snd_pcm_rewind(rate->gen.slave, result + xfer);
+ if (result < 0)
+ return result;
+ return 0;
+ }
+ }
+
+ commit_done:
+ if (rate->start_pending) {
+ /* we have pending start-trigger. let's issue it now */
+ snd_pcm_start(rate->gen.slave);
+ rate->start_pending = 0;
+ }
+ return 1;
+}
+
+static int snd_pcm_rate_commit_next_period(snd_pcm_t *pcm, snd_pcm_uframes_t appl_offset)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+
+ return snd_pcm_rate_commit_area(pcm, rate, appl_offset, pcm->period_size,
+ rate->gen.slave->period_size);
+}
+
+static int snd_pcm_rate_grab_next_period(snd_pcm_t *pcm, snd_pcm_uframes_t hw_offset)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_uframes_t cont = pcm->buffer_size - hw_offset;
+ const snd_pcm_channel_area_t *areas;
+ const snd_pcm_channel_area_t *slave_areas;
+ snd_pcm_uframes_t slave_offset, xfer;
+ snd_pcm_uframes_t slave_frames = ULONG_MAX;
+ snd_pcm_sframes_t result;
+
+ areas = snd_pcm_mmap_areas(pcm);
+ if (cont >= pcm->period_size) {
+ result = snd_pcm_mmap_begin(rate->gen.slave, &slave_areas, &slave_offset, &slave_frames);
+ if (result < 0)
+ return result;
+ if (slave_frames < rate->gen.slave->period_size)
+ goto __partial;
+ snd_pcm_rate_read_areas1(pcm, areas, hw_offset,
+ slave_areas, slave_offset);
+ result = snd_pcm_mmap_commit(rate->gen.slave, slave_offset, rate->gen.slave->period_size);
+ if (result < (snd_pcm_sframes_t)rate->gen.slave->period_size) {
+ if (result < 0)
+ return result;
+ result = snd_pcm_rewind(rate->gen.slave, result);
+ if (result < 0)
+ return result;
+ return 0;
+ }
+ } else {
+ /* ok, grab first fragment */
+ result = snd_pcm_mmap_begin(rate->gen.slave, &slave_areas, &slave_offset, &slave_frames);
+ if (result < 0)
+ return result;
+ __partial:
+ xfer = 0;
+ cont = slave_frames;
+ if (cont > rate->gen.slave->period_size)
+ cont = rate->gen.slave->period_size;
+ snd_pcm_areas_copy(rate->sareas, 0,
+ slave_areas, slave_offset,
+ pcm->channels, cont,
+ rate->gen.slave->format);
+ result = snd_pcm_mmap_commit(rate->gen.slave, slave_offset, cont);
+ if (result < (snd_pcm_sframes_t)cont) {
+ if (result < 0)
+ return result;
+ result = snd_pcm_rewind(rate->gen.slave, result);
+ if (result < 0)
+ return result;
+ return 0;
+ }
+ xfer = cont;
+
+ if (xfer == rate->gen.slave->period_size)
+ goto __transfer;
+
+ /* grab second fragment */
+ cont = rate->gen.slave->period_size - cont;
+ slave_frames = cont;
+ result = snd_pcm_mmap_begin(rate->gen.slave, &slave_areas, &slave_offset, &slave_frames);
+ if (result < 0)
+ return result;
+#if 0
+ if (slave_offset) {
+ SNDERR("non-zero slave_offset %ld", slave_offset);
+ return -EIO;
+ }
+#endif
+ snd_pcm_areas_copy(rate->sareas, xfer,
+ slave_areas, slave_offset,
+ pcm->channels, cont,
+ rate->gen.slave->format);
+ result = snd_pcm_mmap_commit(rate->gen.slave, slave_offset, cont);
+ if (result < (snd_pcm_sframes_t)cont) {
+ if (result < 0)
+ return result;
+ result = snd_pcm_rewind(rate->gen.slave, result + xfer);
+ if (result < 0)
+ return result;
+ return 0;
+ }
+
+ __transfer:
+ cont = pcm->buffer_size - hw_offset;
+ if (cont >= pcm->period_size) {
+ snd_pcm_rate_read_areas1(pcm, areas, hw_offset,
+ rate->sareas, 0);
+ } else {
+ snd_pcm_rate_read_areas1(pcm,
+ rate->pareas, 0,
+ rate->sareas, 0);
+ snd_pcm_areas_copy(areas, hw_offset,
+ rate->pareas, 0,
+ pcm->channels, cont,
+ pcm->format);
+ snd_pcm_areas_copy(areas, 0,
+ rate->pareas, cont,
+ pcm->channels, pcm->period_size - cont,
+ pcm->format);
+ }
+ }
+ return 1;
+}
+
+static int snd_pcm_rate_sync_playback_area(snd_pcm_t *pcm, snd_pcm_uframes_t appl_ptr)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_t *slave = rate->gen.slave;
+ snd_pcm_uframes_t xfer;
+ snd_pcm_sframes_t slave_size;
+ int err;
+
+ slave_size = snd_pcm_avail_update(slave);
+ if (slave_size < 0)
+ return slave_size;
+
+ if (appl_ptr < rate->last_commit_ptr)
+ xfer = appl_ptr - rate->last_commit_ptr + pcm->boundary;
+ else
+ xfer = appl_ptr - rate->last_commit_ptr;
+ while (xfer >= pcm->period_size &&
+ (snd_pcm_uframes_t)slave_size >= rate->gen.slave->period_size) {
+ err = snd_pcm_rate_commit_next_period(pcm, rate->last_commit_ptr % pcm->buffer_size);
+ if (err == 0)
+ break;
+ if (err < 0)
+ return err;
+ xfer -= pcm->period_size;
+ slave_size -= rate->gen.slave->period_size;
+ rate->last_commit_ptr += pcm->period_size;
+ if (rate->last_commit_ptr >= pcm->boundary)
+ rate->last_commit_ptr = 0;
+ }
+ return 0;
+}
+
+static snd_pcm_sframes_t snd_pcm_rate_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ int err;
+
+ if (size == 0)
+ return 0;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ err = snd_pcm_rate_sync_playback_area(pcm, rate->appl_ptr + size);
+ if (err < 0)
+ return err;
+ }
+ snd_atomic_write_begin(&rate->watom);
+ snd_pcm_mmap_appl_forward(pcm, size);
+ snd_atomic_write_end(&rate->watom);
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_rate_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_t *slave = rate->gen.slave;
+ snd_pcm_uframes_t slave_size;
+
+ slave_size = snd_pcm_avail_update(slave);
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE)
+ goto _capture;
+ snd_atomic_write_begin(&rate->watom);
+ snd_pcm_rate_sync_hwptr(pcm);
+ snd_atomic_write_end(&rate->watom);
+ snd_pcm_rate_sync_playback_area(pcm, rate->appl_ptr);
+ return snd_pcm_mmap_avail(pcm);
+ _capture: {
+ snd_pcm_uframes_t xfer, hw_offset, size;
+
+ xfer = snd_pcm_mmap_capture_avail(pcm);
+ size = pcm->buffer_size - xfer;
+ hw_offset = snd_pcm_mmap_hw_offset(pcm);
+ while (size >= pcm->period_size &&
+ slave_size >= rate->gen.slave->period_size) {
+ int err = snd_pcm_rate_grab_next_period(pcm, hw_offset);
+ if (err < 0)
+ return err;
+ if (err == 0)
+ return (snd_pcm_sframes_t)xfer;
+ xfer += pcm->period_size;
+ size -= pcm->period_size;
+ slave_size -= rate->gen.slave->period_size;
+ hw_offset += pcm->period_size;
+ hw_offset %= pcm->buffer_size;
+ snd_pcm_mmap_hw_forward(pcm, pcm->period_size);
+ }
+ return (snd_pcm_sframes_t)xfer;
+ }
+}
+
+static int snd_pcm_rate_htimestamp(snd_pcm_t *pcm,
+ snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_sframes_t avail1;
+ snd_pcm_uframes_t tmp;
+ int ok = 0, err;
+
+ while (1) {
+ /* the position is from this plugin itself */
+ avail1 = snd_pcm_avail_update(pcm);
+ if (avail1 < 0)
+ return avail1;
+ if (ok && (snd_pcm_uframes_t)avail1 == *avail)
+ break;
+ *avail = avail1;
+ /* timestamp is taken from the slave PCM */
+ err = snd_pcm_htimestamp(rate->gen.slave, &tmp, tstamp);
+ if (err < 0)
+ return err;
+ ok = 1;
+ }
+ return 0;
+}
+
+static int snd_pcm_rate_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ /* Try to sync as much as possible */
+ snd_pcm_rate_hwsync(pcm);
+ snd_pcm_rate_sync_playback_area(pcm, rate->appl_ptr);
+ }
+ return snd_pcm_poll_descriptors_revents(rate->gen.slave, pfds, nfds, revents);
+}
+
+static int snd_pcm_rate_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ /* commit the remaining fraction (if any) */
+ snd_pcm_uframes_t size, ofs, saved_avail_min;
+ snd_pcm_sw_params_t sw_params;
+
+ /* temporarily set avail_min to one */
+ sw_params = rate->sw_params;
+ saved_avail_min = sw_params.avail_min;
+ sw_params.avail_min = 1;
+ snd_pcm_sw_params(rate->gen.slave, &sw_params);
+
+ size = rate->appl_ptr - rate->last_commit_ptr;
+ ofs = rate->last_commit_ptr % pcm->buffer_size;
+ while (size > 0) {
+ snd_pcm_uframes_t psize, spsize;
+
+ if (snd_pcm_wait(rate->gen.slave, -1) < 0)
+ break;
+ if (size > pcm->period_size) {
+ psize = pcm->period_size;
+ spsize = rate->gen.slave->period_size;
+ } else {
+ psize = size;
+ spsize = rate->ops.output_frames(rate->obj, size);
+ if (! spsize)
+ break;
+ }
+ snd_pcm_rate_commit_area(pcm, rate, ofs,
+ psize, spsize);
+ ofs = (ofs + psize) % pcm->buffer_size;
+ size -= psize;
+ }
+ sw_params.avail_min = saved_avail_min;
+ snd_pcm_sw_params(rate->gen.slave, &sw_params);
+ }
+ return snd_pcm_drain(rate->gen.slave);
+}
+
+static snd_pcm_state_t snd_pcm_rate_state(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ if (rate->start_pending) /* pseudo-state */
+ return SND_PCM_STATE_RUNNING;
+ return snd_pcm_state(rate->gen.slave);
+}
+
+
+static int snd_pcm_rate_start(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_sframes_t avail;
+
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE)
+ return snd_pcm_start(rate->gen.slave);
+
+ if (snd_pcm_state(rate->gen.slave) != SND_PCM_STATE_PREPARED)
+ return -EBADFD;
+
+ gettimestamp(&rate->trigger_tstamp, pcm->tstamp_type);
+
+ avail = snd_pcm_mmap_playback_hw_avail(rate->gen.slave);
+ if (avail < 0) /* can't happen on healthy drivers */
+ return -EBADFD;
+
+ if (avail == 0) {
+ /* postpone the trigger since we have no data committed yet */
+ rate->start_pending = 1;
+ return 0;
+ }
+ rate->start_pending = 0;
+ return snd_pcm_start(rate->gen.slave);
+}
+
+static int snd_pcm_rate_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ snd_pcm_sframes_t err;
+ snd_atomic_read_t ratom;
+ snd_atomic_read_init(&ratom, &rate->watom);
+ _again:
+ snd_atomic_read_begin(&ratom);
+ err = snd_pcm_status(rate->gen.slave, status);
+ if (err < 0) {
+ snd_atomic_read_ok(&ratom);
+ return err;
+ }
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ if (rate->start_pending)
+ status->state = SND_PCM_STATE_RUNNING;
+ status->trigger_tstamp = rate->trigger_tstamp;
+ }
+ snd_pcm_rate_sync_hwptr(pcm);
+ status->appl_ptr = *pcm->appl.ptr;
+ status->hw_ptr = *pcm->hw.ptr;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ status->delay = snd_pcm_mmap_playback_hw_avail(pcm);
+ status->avail = snd_pcm_mmap_playback_avail(pcm);
+ status->avail_max = rate->ops.input_frames(rate->obj, status->avail_max);
+ } else {
+ status->delay = snd_pcm_mmap_capture_hw_avail(pcm);
+ status->avail = snd_pcm_mmap_capture_avail(pcm);
+ status->avail_max = rate->ops.output_frames(rate->obj, status->avail_max);
+ }
+ if (!snd_atomic_read_ok(&ratom)) {
+ snd_atomic_read_wait(&ratom);
+ goto _again;
+ }
+ return 0;
+}
+
+static void snd_pcm_rate_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+ if (rate->sformat == SND_PCM_FORMAT_UNKNOWN)
+ snd_output_printf(out, "Rate conversion PCM (%d)\n",
+ rate->srate);
+ else
+ snd_output_printf(out, "Rate conversion PCM (%d, sformat=%s)\n",
+ rate->srate,
+ snd_pcm_format_name(rate->sformat));
+ if (rate->ops.dump)
+ rate->ops.dump(rate->obj, out);
+ snd_output_printf(out, "Protocol version: %x\n", rate->plugin_version);
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(rate->gen.slave, out);
+}
+
+static int snd_pcm_rate_close(snd_pcm_t *pcm)
+{
+ snd_pcm_rate_t *rate = pcm->private_data;
+
+ if (rate->ops.close)
+ rate->ops.close(rate->obj);
+ if (rate->open_func)
+ snd_dlobj_cache_put(rate->open_func);
+ return snd_pcm_generic_close(pcm);
+}
+
+static const snd_pcm_fast_ops_t snd_pcm_rate_fast_ops = {
+ .status = snd_pcm_rate_status,
+ .state = snd_pcm_rate_state,
+ .hwsync = snd_pcm_rate_hwsync,
+ .delay = snd_pcm_rate_delay,
+ .prepare = snd_pcm_rate_prepare,
+ .reset = snd_pcm_rate_reset,
+ .start = snd_pcm_rate_start,
+ .drop = snd_pcm_generic_drop,
+ .drain = snd_pcm_rate_drain,
+ .pause = snd_pcm_generic_pause,
+ .rewindable = snd_pcm_rate_rewindable,
+ .rewind = snd_pcm_rate_rewind,
+ .forwardable = snd_pcm_rate_forwardable,
+ .forward = snd_pcm_rate_forward,
+ .resume = snd_pcm_generic_resume,
+ .writei = snd_pcm_mmap_writei,
+ .writen = snd_pcm_mmap_writen,
+ .readi = snd_pcm_mmap_readi,
+ .readn = snd_pcm_mmap_readn,
+ .avail_update = snd_pcm_rate_avail_update,
+ .mmap_commit = snd_pcm_rate_mmap_commit,
+ .htimestamp = snd_pcm_rate_htimestamp,
+ .poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
+ .poll_descriptors = snd_pcm_generic_poll_descriptors,
+ .poll_revents = snd_pcm_rate_poll_revents,
+ .may_wait_for_avail_min = snd_pcm_generic_may_wait_for_avail_min,
+};
+
+static const snd_pcm_ops_t snd_pcm_rate_ops = {
+ .close = snd_pcm_rate_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_rate_hw_refine,
+ .hw_params = snd_pcm_rate_hw_params,
+ .hw_free = snd_pcm_rate_hw_free,
+ .sw_params = snd_pcm_rate_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_rate_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Get a default converter string
+ * \param root Root configuration node
+ * \retval A const config item if found, or NULL
+ */
+const snd_config_t *snd_pcm_rate_get_default_converter(snd_config_t *root)
+{
+ snd_config_t *n;
+ /* look for default definition */
+ if (snd_config_search(root, "defaults.pcm.rate_converter", &n) >= 0)
+ return n;
+ return NULL;
+}
+
+#ifdef PIC
+static int is_builtin_plugin(const char *type)
+{
+ return strcmp(type, "linear") == 0;
+}
+
+static const char *const default_rate_plugins[] = {
+ "speexrate", "linear", NULL
+};
+
+static int rate_open_func(snd_pcm_rate_t *rate, const char *type, int verbose)
+{
+ char open_name[64], lib_name[128], *lib = NULL;
+ snd_pcm_rate_open_func_t open_func;
+ int err;
+
+ snprintf(open_name, sizeof(open_name), "_snd_pcm_rate_%s_open", type);
+ if (!is_builtin_plugin(type)) {
+ snprintf(lib_name, sizeof(lib_name),
+ "%s/libasound_module_rate_%s.so", ALSA_PLUGIN_DIR, type);
+ lib = lib_name;
+ }
+ open_func = snd_dlobj_cache_get(lib, open_name, NULL, verbose);
+ if (!open_func)
+ return -ENOENT;
+
+ rate->open_func = open_func;
+ rate->rate_min = SND_PCM_PLUGIN_RATE_MIN;
+ rate->rate_max = SND_PCM_PLUGIN_RATE_MAX;
+ rate->plugin_version = SND_PCM_RATE_PLUGIN_VERSION;
+
+ err = open_func(SND_PCM_RATE_PLUGIN_VERSION, &rate->obj, &rate->ops);
+ if (!err) {
+ rate->plugin_version = rate->ops.version;
+ if (rate->ops.get_supported_rates)
+ rate->ops.get_supported_rates(rate->obj,
+ &rate->rate_min,
+ &rate->rate_max);
+ return 0;
+ }
+
+ /* try to open with the old protocol version */
+ rate->plugin_version = SND_PCM_RATE_PLUGIN_VERSION_OLD;
+ err = open_func(SND_PCM_RATE_PLUGIN_VERSION_OLD,
+ &rate->obj, &rate->ops);
+ if (err) {
+ snd_dlobj_cache_put(open_func);
+ rate->open_func = NULL;
+ }
+ return err;
+}
+#endif
+
+/**
+ * \brief Creates a new rate PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave format
+ * \param srate Slave rate
+ * \param converter SRC type string node
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, unsigned int srate,
+ const snd_config_t *converter,
+ snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_rate_t *rate;
+ const char *type = NULL;
+ int err;
+#ifndef PIC
+ snd_pcm_rate_open_func_t open_func;
+ extern int SND_PCM_RATE_PLUGIN_ENTRY(linear) (unsigned int version, void **objp, snd_pcm_rate_ops_t *ops);
+#endif
+
+ assert(pcmp && slave);
+ if (sformat != SND_PCM_FORMAT_UNKNOWN &&
+ snd_pcm_format_linear(sformat) != 1)
+ return -EINVAL;
+ rate = calloc(1, sizeof(snd_pcm_rate_t));
+ if (!rate) {
+ return -ENOMEM;
+ }
+ rate->gen.slave = slave;
+ rate->gen.close_slave = close_slave;
+ rate->srate = srate;
+ rate->sformat = sformat;
+ snd_atomic_write_init(&rate->watom);
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_RATE, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(rate);
+ return err;
+ }
+
+#ifdef PIC
+ err = -ENOENT;
+ if (!converter) {
+ const char *const *types;
+ for (types = default_rate_plugins; *types; types++) {
+ err = rate_open_func(rate, *types, 0);
+ if (!err) {
+ type = *types;
+ break;
+ }
+ }
+ } else if (!snd_config_get_string(converter, &type))
+ err = rate_open_func(rate, type, 1);
+ else if (snd_config_get_type(converter) == SND_CONFIG_TYPE_COMPOUND) {
+ snd_config_iterator_t i, next;
+ snd_config_for_each(i, next, converter) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ if (snd_config_get_string(n, &type) < 0)
+ break;
+ err = rate_open_func(rate, type, 0);
+ if (!err)
+ break;
+ }
+ } else {
+ SNDERR("Invalid type for rate converter");
+ snd_pcm_free(pcm);
+ free(rate);
+ return -EINVAL;
+ }
+ if (err < 0) {
+ SNDERR("Cannot find rate converter");
+ snd_pcm_free(pcm);
+ free(rate);
+ return -ENOENT;
+ }
+#else
+ type = "linear";
+ open_func = SND_PCM_RATE_PLUGIN_ENTRY(linear);
+ err = open_func(SND_PCM_RATE_PLUGIN_VERSION, &rate->obj, &rate->ops);
+ if (err < 0) {
+ snd_pcm_free(pcm);
+ free(rate);
+ return err;
+ }
+#endif
+
+ if (! rate->ops.init || ! (rate->ops.convert || rate->ops.convert_s16) ||
+ ! rate->ops.input_frames || ! rate->ops.output_frames) {
+ SNDERR("Inproper rate plugin %s initialization", type);
+ snd_pcm_free(pcm);
+ free(rate);
+ return err;
+ }
+
+ pcm->ops = &snd_pcm_rate_ops;
+ pcm->fast_ops = &snd_pcm_rate_fast_ops;
+ pcm->private_data = rate;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->mmap_rw = 1;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &rate->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &rate->appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_rate Plugin: Rate
+
+This plugin converts a stream rate. The input and output formats must be linear.
+
+\code
+pcm.name {
+ type rate # Rate PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ rate INT # Slave rate
+ [format STR] # Slave format
+ }
+ converter STR # optional
+ # or
+ converter [ STR1 STR2 ... ] # optional
+ # Converter type, default is taken from
+ # defaults.pcm.rate_converter
+}
+\endcode
+
+\subsection pcm_plugins_rate_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_rate_open()
+ <LI>_snd_pcm_rate_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new rate PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with rate PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_pcm_format_t sformat = SND_PCM_FORMAT_UNKNOWN;
+ int srate = -1;
+ const snd_config_t *converter = NULL;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "converter") == 0) {
+ converter = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+
+ err = snd_pcm_slave_conf(root, slave, &sconf, 2,
+ SND_PCM_HW_PARAM_FORMAT, 0, &sformat,
+ SND_PCM_HW_PARAM_RATE, SCONF_MANDATORY, &srate);
+ if (err < 0)
+ return err;
+ if (sformat != SND_PCM_FORMAT_UNKNOWN &&
+ snd_pcm_format_linear(sformat) != 1) {
+ snd_config_delete(sconf);
+ SNDERR("slave format is not linear");
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ err = snd_pcm_rate_open(pcmp, name, sformat, (unsigned int) srate,
+ converter, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_rate_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_rate_linear.c b/src/pcm/pcm_rate_linear.c
new file mode 100644
index 0000000..7481b38
--- /dev/null
+++ b/src/pcm/pcm_rate_linear.c
@@ -0,0 +1,447 @@
+/*
+ * Linear rate converter plugin
+ *
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ * 2004 by Jaroslav Kysela <perex@perex.cz>
+ * 2006 by Takashi Iwai <tiwai@suse.de>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <inttypes.h>
+#include <byteswap.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+#include "pcm_rate.h"
+
+#include "plugin_ops.h"
+
+
+/* LINEAR_DIV needs to be large enough to handle resampling from 192000 -> 8000 */
+#define LINEAR_DIV_SHIFT 19
+#define LINEAR_DIV (1<<LINEAR_DIV_SHIFT)
+
+struct rate_linear {
+ unsigned int get_idx;
+ unsigned int put_idx;
+ unsigned int pitch;
+ unsigned int pitch_shift; /* for expand interpolation */
+ unsigned int channels;
+ int16_t *old_sample;
+ void (*func)(struct rate_linear *rate,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames);
+};
+
+static snd_pcm_uframes_t input_frames(void *obj, snd_pcm_uframes_t frames)
+{
+ struct rate_linear *rate = obj;
+ if (frames == 0)
+ return 0;
+ /* Round toward zero */
+ return muldiv_near(frames, LINEAR_DIV, rate->pitch);
+}
+
+static snd_pcm_uframes_t output_frames(void *obj, snd_pcm_uframes_t frames)
+{
+ struct rate_linear *rate = obj;
+ if (frames == 0)
+ return 0;
+ /* Round toward zero */
+ return muldiv_near(frames, rate->pitch, LINEAR_DIV);
+}
+
+static void linear_expand(struct rate_linear *rate,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames)
+{
+#define GET16_LABELS
+#define PUT16_LABELS
+#include "plugin_ops.h"
+#undef GET16_LABELS
+#undef PUT16_LABELS
+ void *get = get16_labels[rate->get_idx];
+ void *put = put16_labels[rate->put_idx];
+ unsigned int get_threshold = rate->pitch;
+ unsigned int channel;
+ unsigned int src_frames1;
+ unsigned int dst_frames1;
+ int16_t sample = 0;
+ unsigned int pos;
+
+ for (channel = 0; channel < rate->channels; ++channel) {
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ int16_t old_sample = 0;
+ int16_t new_sample;
+ int old_weight, new_weight;
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ src_frames1 = 0;
+ dst_frames1 = 0;
+ new_sample = rate->old_sample[channel];
+ pos = get_threshold;
+ while (dst_frames1 < dst_frames) {
+ if (pos >= get_threshold) {
+ pos -= get_threshold;
+ old_sample = new_sample;
+ if (src_frames1 < src_frames) {
+ goto *get;
+#define GET16_END after_get
+#include "plugin_ops.h"
+#undef GET16_END
+ after_get:
+ new_sample = sample;
+ }
+ }
+ new_weight = (pos << (16 - rate->pitch_shift)) / (get_threshold >> rate->pitch_shift);
+ old_weight = 0x10000 - new_weight;
+ sample = (old_sample * old_weight + new_sample * new_weight) >> 16;
+ goto *put;
+#define PUT16_END after_put
+#include "plugin_ops.h"
+#undef PUT16_END
+ after_put:
+ dst += dst_step;
+ dst_frames1++;
+ pos += LINEAR_DIV;
+ if (pos >= get_threshold) {
+ src += src_step;
+ src_frames1++;
+ }
+ }
+ rate->old_sample[channel] = new_sample;
+ }
+}
+
+/* optimized version for S16 format */
+static void linear_expand_s16(struct rate_linear *rate,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames)
+{
+ unsigned int channel;
+ unsigned int src_frames1;
+ unsigned int dst_frames1;
+ unsigned int get_threshold = rate->pitch;
+ unsigned int pos;
+
+ for (channel = 0; channel < rate->channels; ++channel) {
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ const int16_t *src;
+ int16_t *dst;
+ int src_step, dst_step;
+ int16_t old_sample = 0;
+ int16_t new_sample;
+ int old_weight, new_weight;
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area) >> 1;
+ dst_step = snd_pcm_channel_area_step(dst_area) >> 1;
+ src_frames1 = 0;
+ dst_frames1 = 0;
+ new_sample = rate->old_sample[channel];
+ pos = get_threshold;
+ while (dst_frames1 < dst_frames) {
+ if (pos >= get_threshold) {
+ pos -= get_threshold;
+ old_sample = new_sample;
+ if (src_frames1 < src_frames)
+ new_sample = *src;
+ }
+ new_weight = (pos << (16 - rate->pitch_shift)) / (get_threshold >> rate->pitch_shift);
+ old_weight = 0x10000 - new_weight;
+ *dst = (old_sample * old_weight + new_sample * new_weight) >> 16;
+ dst += dst_step;
+ dst_frames1++;
+ pos += LINEAR_DIV;
+ if (pos >= get_threshold) {
+ src += src_step;
+ src_frames1++;
+ }
+ }
+ rate->old_sample[channel] = new_sample;
+ }
+}
+
+static void linear_shrink(struct rate_linear *rate,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames)
+{
+#define GET16_LABELS
+#define PUT16_LABELS
+#include "plugin_ops.h"
+#undef GET16_LABELS
+#undef PUT16_LABELS
+ void *get = get16_labels[rate->get_idx];
+ void *put = put16_labels[rate->put_idx];
+ unsigned int get_increment = rate->pitch;
+ unsigned int channel;
+ unsigned int src_frames1;
+ unsigned int dst_frames1;
+ int16_t sample = 0;
+ unsigned int pos;
+
+ for (channel = 0; channel < rate->channels; ++channel) {
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ int16_t old_sample = 0;
+ int16_t new_sample = 0;
+ int old_weight, new_weight;
+ pos = LINEAR_DIV - get_increment; /* Force first sample to be copied */
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ src_frames1 = 0;
+ dst_frames1 = 0;
+ while (src_frames1 < src_frames) {
+
+ goto *get;
+#define GET16_END after_get
+#include "plugin_ops.h"
+#undef GET16_END
+ after_get:
+ new_sample = sample;
+ src += src_step;
+ src_frames1++;
+ pos += get_increment;
+ if (pos >= LINEAR_DIV) {
+ pos -= LINEAR_DIV;
+ old_weight = (pos << (32 - LINEAR_DIV_SHIFT)) / (get_increment >> (LINEAR_DIV_SHIFT - 16));
+ new_weight = 0x10000 - old_weight;
+ sample = (old_sample * old_weight + new_sample * new_weight) >> 16;
+ goto *put;
+#define PUT16_END after_put
+#include "plugin_ops.h"
+#undef PUT16_END
+ after_put:
+ dst += dst_step;
+ dst_frames1++;
+ if (CHECK_SANITY(dst_frames1 > dst_frames)) {
+ SNDERR("dst_frames overflow");
+ break;
+ }
+ }
+ old_sample = new_sample;
+ }
+ }
+}
+
+/* optimized version for S16 format */
+static void linear_shrink_s16(struct rate_linear *rate,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames)
+{
+ unsigned int get_increment = rate->pitch;
+ unsigned int channel;
+ unsigned int src_frames1;
+ unsigned int dst_frames1;
+ unsigned int pos = 0;
+
+ for (channel = 0; channel < rate->channels; ++channel) {
+ const snd_pcm_channel_area_t *src_area = &src_areas[channel];
+ const snd_pcm_channel_area_t *dst_area = &dst_areas[channel];
+ const int16_t *src;
+ int16_t *dst;
+ int src_step, dst_step;
+ int16_t old_sample = 0;
+ int16_t new_sample = 0;
+ int old_weight, new_weight;
+ pos = LINEAR_DIV - get_increment; /* Force first sample to be copied */
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area) >> 1;
+ dst_step = snd_pcm_channel_area_step(dst_area) >> 1 ;
+ src_frames1 = 0;
+ dst_frames1 = 0;
+ while (src_frames1 < src_frames) {
+
+ new_sample = *src;
+ src += src_step;
+ src_frames1++;
+ pos += get_increment;
+ if (pos >= LINEAR_DIV) {
+ pos -= LINEAR_DIV;
+ old_weight = (pos << (32 - LINEAR_DIV_SHIFT)) / (get_increment >> (LINEAR_DIV_SHIFT - 16));
+ new_weight = 0x10000 - old_weight;
+ *dst = (old_sample * old_weight + new_sample * new_weight) >> 16;
+ dst += dst_step;
+ dst_frames1++;
+ if (CHECK_SANITY(dst_frames1 > dst_frames)) {
+ SNDERR("dst_frames overflow");
+ break;
+ }
+ }
+ old_sample = new_sample;
+ }
+ }
+}
+
+static void linear_convert(void *obj,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset, unsigned int dst_frames,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset, unsigned int src_frames)
+{
+ struct rate_linear *rate = obj;
+ rate->func(rate, dst_areas, dst_offset, dst_frames,
+ src_areas, src_offset, src_frames);
+}
+
+static void linear_free(void *obj)
+{
+ struct rate_linear *rate = obj;
+
+ free(rate->old_sample);
+ rate->old_sample = NULL;
+}
+
+static int linear_init(void *obj, snd_pcm_rate_info_t *info)
+{
+ struct rate_linear *rate = obj;
+
+ rate->get_idx = snd_pcm_linear_get_index(info->in.format, SND_PCM_FORMAT_S16);
+ rate->put_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S16, info->out.format);
+ if (info->in.rate < info->out.rate) {
+ if (info->in.format == info->out.format && info->in.format == SND_PCM_FORMAT_S16)
+ rate->func = linear_expand_s16;
+ else
+ rate->func = linear_expand;
+ /* pitch is get_threshold */
+ } else {
+ if (info->in.format == info->out.format && info->in.format == SND_PCM_FORMAT_S16)
+ rate->func = linear_shrink_s16;
+ else
+ rate->func = linear_shrink;
+ /* pitch is get_increment */
+ }
+ rate->pitch = (((u_int64_t)info->out.rate * LINEAR_DIV) +
+ (info->in.rate / 2)) / info->in.rate;
+ rate->channels = info->channels;
+
+ free(rate->old_sample);
+ rate->old_sample = malloc(sizeof(*rate->old_sample) * rate->channels);
+ if (! rate->old_sample)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int linear_adjust_pitch(void *obj, snd_pcm_rate_info_t *info)
+{
+ struct rate_linear *rate = obj;
+ snd_pcm_uframes_t cframes;
+
+ rate->pitch = (((u_int64_t)info->out.period_size * LINEAR_DIV) +
+ (info->in.period_size/2) ) / info->in.period_size;
+
+ cframes = input_frames(rate, info->out.period_size);
+ while (cframes != info->in.period_size) {
+ snd_pcm_uframes_t cframes_new;
+ if (cframes > info->in.period_size)
+ rate->pitch++;
+ else
+ rate->pitch--;
+ cframes_new = input_frames(rate, info->out.period_size);
+ if ((cframes > info->in.period_size && cframes_new < info->in.period_size) ||
+ (cframes < info->in.period_size && cframes_new > info->in.period_size)) {
+ SNDERR("invalid pcm period_size %ld -> %ld",
+ info->in.period_size, info->out.period_size);
+ return -EIO;
+ }
+ cframes = cframes_new;
+ }
+ if (rate->pitch >= LINEAR_DIV) {
+ /* shift for expand linear interpolation */
+ rate->pitch_shift = 0;
+ while ((rate->pitch >> rate->pitch_shift) >= (1 << 16))
+ rate->pitch_shift++;
+ }
+ return 0;
+}
+
+static void linear_reset(void *obj)
+{
+ struct rate_linear *rate = obj;
+
+ /* for expand */
+ if (rate->old_sample)
+ memset(rate->old_sample, 0, sizeof(*rate->old_sample) * rate->channels);
+}
+
+static void linear_close(void *obj)
+{
+ free(obj);
+}
+
+static int get_supported_rates(ATTRIBUTE_UNUSED void *rate,
+ unsigned int *rate_min, unsigned int *rate_max)
+{
+ *rate_min = SND_PCM_PLUGIN_RATE_MIN;
+ *rate_max = SND_PCM_PLUGIN_RATE_MAX;
+ return 0;
+}
+
+static void linear_dump(ATTRIBUTE_UNUSED void *rate, snd_output_t *out)
+{
+ snd_output_printf(out, "Converter: linear-interpolation\n");
+}
+
+static const snd_pcm_rate_ops_t linear_ops = {
+ .close = linear_close,
+ .init = linear_init,
+ .free = linear_free,
+ .reset = linear_reset,
+ .adjust_pitch = linear_adjust_pitch,
+ .convert = linear_convert,
+ .input_frames = input_frames,
+ .output_frames = output_frames,
+ .version = SND_PCM_RATE_PLUGIN_VERSION,
+ .get_supported_rates = get_supported_rates,
+ .dump = linear_dump,
+};
+
+int SND_PCM_RATE_PLUGIN_ENTRY(linear) (ATTRIBUTE_UNUSED unsigned int version,
+ void **objp, snd_pcm_rate_ops_t *ops)
+{
+ struct rate_linear *rate;
+
+ rate = calloc(1, sizeof(*rate));
+ if (! rate)
+ return -ENOMEM;
+
+ *objp = rate;
+ *ops = linear_ops;
+ return 0;
+}
diff --git a/src/pcm/pcm_route.c b/src/pcm/pcm_route.c
new file mode 100644
index 0000000..2a437e8
--- /dev/null
+++ b/src/pcm/pcm_route.c
@@ -0,0 +1,1395 @@
+/**
+ * \file pcm/pcm_route.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Route & Volume Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Route & Volume Plugin
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include <math.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#include "plugin_ops.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_route = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+/* The best possible hack to support missing optimization in gcc 2.7.2.3 */
+#if SND_PCM_PLUGIN_ROUTE_RESOLUTION & (SND_PCM_PLUGIN_ROUTE_RESOLUTION - 1) != 0
+#define div(a) a /= SND_PCM_PLUGIN_ROUTE_RESOLUTION
+#elif SND_PCM_PLUGIN_ROUTE_RESOLUTION == 16
+#define div(a) a >>= 4
+#else
+#error "Add some code here"
+#endif
+
+typedef struct {
+ int channel;
+ int as_int;
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ float as_float;
+#endif
+} snd_pcm_route_ttable_src_t;
+
+typedef struct snd_pcm_route_ttable_dst snd_pcm_route_ttable_dst_t;
+
+typedef struct {
+ enum {UINT64, FLOAT} sum_idx;
+ unsigned int get_idx;
+ unsigned int put_idx;
+ unsigned int conv_idx;
+ int use_getput;
+ unsigned int src_size;
+ snd_pcm_format_t dst_sfmt;
+ unsigned int nsrcs;
+ unsigned int ndsts;
+ snd_pcm_route_ttable_dst_t *dsts;
+} snd_pcm_route_params_t;
+
+
+typedef void (*route_f)(const snd_pcm_channel_area_t *dst_area,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int src_channels,
+ snd_pcm_uframes_t frames,
+ const snd_pcm_route_ttable_dst_t *ttable,
+ const snd_pcm_route_params_t *params);
+
+struct snd_pcm_route_ttable_dst {
+ int att; /* Attenuated */
+ unsigned int nsrcs;
+ snd_pcm_route_ttable_src_t* srcs;
+ route_f func;
+};
+
+typedef union {
+ int32_t as_sint32;
+ int64_t as_sint64;
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ float as_float;
+#endif
+} sum_t;
+
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ snd_pcm_format_t sformat;
+ int schannels;
+ snd_pcm_route_params_t params;
+ snd_pcm_chmap_t *chmap;
+} snd_pcm_route_t;
+
+#endif /* DOC_HIDDEN */
+
+static void snd_pcm_route_convert1_zero(const snd_pcm_channel_area_t *dst_area,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t src_offset ATTRIBUTE_UNUSED,
+ unsigned int src_channels ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t frames,
+ const snd_pcm_route_ttable_dst_t* ttable ATTRIBUTE_UNUSED,
+ const snd_pcm_route_params_t *params)
+{
+ snd_pcm_area_silence(dst_area, dst_offset, frames, params->dst_sfmt);
+}
+
+#ifndef DOC_HIDDEN
+
+static void snd_pcm_route_convert1_one(const snd_pcm_channel_area_t *dst_area,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int src_channels,
+ snd_pcm_uframes_t frames,
+ const snd_pcm_route_ttable_dst_t* ttable,
+ const snd_pcm_route_params_t *params)
+{
+#define CONV_LABELS
+#include "plugin_ops.h"
+#undef CONV_LABELS
+ void *conv;
+ const snd_pcm_channel_area_t *src_area = 0;
+ unsigned int srcidx;
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ for (srcidx = 0; srcidx < ttable->nsrcs && srcidx < src_channels; ++srcidx) {
+ unsigned int channel = ttable->srcs[srcidx].channel;
+ if (channel >= src_channels)
+ continue;
+ src_area = &src_areas[channel];
+ if (src_area->addr != NULL)
+ break;
+ }
+ if (srcidx == ttable->nsrcs || srcidx == src_channels) {
+ snd_pcm_route_convert1_zero(dst_area, dst_offset,
+ src_areas, src_offset,
+ src_channels,
+ frames, ttable, params);
+ return;
+ }
+
+ conv = conv_labels[params->conv_idx];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ while (frames-- > 0) {
+ goto *conv;
+#define CONV_END after
+#include "plugin_ops.h"
+#undef CONV_END
+ after:
+ src += src_step;
+ dst += dst_step;
+ }
+}
+
+static void snd_pcm_route_convert1_one_getput(const snd_pcm_channel_area_t *dst_area,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int src_channels,
+ snd_pcm_uframes_t frames,
+ const snd_pcm_route_ttable_dst_t* ttable,
+ const snd_pcm_route_params_t *params)
+{
+#define CONV24_LABELS
+#include "plugin_ops.h"
+#undef CONV24_LABELS
+ void *get, *put;
+ const snd_pcm_channel_area_t *src_area = 0;
+ unsigned int srcidx;
+ const char *src;
+ char *dst;
+ int src_step, dst_step;
+ u_int32_t sample = 0;
+ for (srcidx = 0; srcidx < ttable->nsrcs && srcidx < src_channels; ++srcidx) {
+ unsigned int channel = ttable->srcs[srcidx].channel;
+ if (channel >= src_channels)
+ continue;
+ src_area = &src_areas[channel];
+ if (src_area->addr != NULL)
+ break;
+ }
+ if (srcidx == ttable->nsrcs || srcidx == src_channels) {
+ snd_pcm_route_convert1_zero(dst_area, dst_offset,
+ src_areas, src_offset,
+ src_channels,
+ frames, ttable, params);
+ return;
+ }
+
+ get = get32_labels[params->get_idx];
+ put = put32_labels[params->put_idx];
+ src = snd_pcm_channel_area_addr(src_area, src_offset);
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ src_step = snd_pcm_channel_area_step(src_area);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+ while (frames-- > 0) {
+ goto *get;
+#define CONV24_END after
+#include "plugin_ops.h"
+#undef CONV24_END
+ after:
+ src += src_step;
+ dst += dst_step;
+ }
+}
+
+static void snd_pcm_route_convert1_many(const snd_pcm_channel_area_t *dst_area,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int src_channels,
+ snd_pcm_uframes_t frames,
+ const snd_pcm_route_ttable_dst_t* ttable,
+ const snd_pcm_route_params_t *params)
+{
+#define GET32_LABELS
+#define PUT32_LABELS
+#include "plugin_ops.h"
+#undef GET32_LABELS
+#undef PUT32_LABELS
+ static void *const zero_labels[2] = {
+ &&zero_int64,
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ &&zero_float
+#endif
+ };
+ /* sum_type att */
+ static void *const add_labels[2 * 2] = {
+ &&add_int64_noatt, &&add_int64_att,
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ &&add_float_noatt, &&add_float_att
+#endif
+ };
+ /* sum_type att */
+ static void *const norm_labels[2 * 2] = {
+ &&norm_int64_noatt,
+ &&norm_int64_att,
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ &&norm_float,
+ &&norm_float,
+#endif
+ };
+ void *zero, *get32, *add, *norm, *put32;
+ int nsrcs = ttable->nsrcs;
+ char *dst;
+ int dst_step;
+ const char *srcs[nsrcs];
+ int src_steps[nsrcs];
+ snd_pcm_route_ttable_src_t src_tt[nsrcs];
+ int32_t sample = 0;
+ int srcidx, srcidx1 = 0;
+ for (srcidx = 0; srcidx < nsrcs && (unsigned)srcidx < src_channels; ++srcidx) {
+ const snd_pcm_channel_area_t *src_area;
+ unsigned int channel = ttable->srcs[srcidx].channel;
+ if (channel >= src_channels)
+ continue;
+ src_area = &src_areas[channel];
+ srcs[srcidx1] = snd_pcm_channel_area_addr(src_area, src_offset);
+ src_steps[srcidx1] = snd_pcm_channel_area_step(src_area);
+ src_tt[srcidx1] = ttable->srcs[srcidx];
+ srcidx1++;
+ }
+ nsrcs = srcidx1;
+ if (nsrcs == 0) {
+ snd_pcm_route_convert1_zero(dst_area, dst_offset,
+ src_areas, src_offset,
+ src_channels,
+ frames, ttable, params);
+ return;
+ } else if (nsrcs == 1 && src_tt[0].as_int == SND_PCM_PLUGIN_ROUTE_RESOLUTION) {
+ if (params->use_getput)
+ snd_pcm_route_convert1_one_getput(dst_area, dst_offset,
+ src_areas, src_offset,
+ src_channels,
+ frames, ttable, params);
+ else
+ snd_pcm_route_convert1_one(dst_area, dst_offset,
+ src_areas, src_offset,
+ src_channels,
+ frames, ttable, params);
+ return;
+ }
+
+ zero = zero_labels[params->sum_idx];
+ get32 = get32_labels[params->get_idx];
+ add = add_labels[params->sum_idx * 2 + ttable->att];
+ norm = norm_labels[params->sum_idx * 2 + ttable->att];
+ put32 = put32_labels[params->put_idx];
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset);
+ dst_step = snd_pcm_channel_area_step(dst_area);
+
+ while (frames-- > 0) {
+ snd_pcm_route_ttable_src_t *ttp = src_tt;
+ sum_t sum;
+
+ /* Zero sum */
+ goto *zero;
+ zero_int64:
+ sum.as_sint64 = 0;
+ goto zero_end;
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ zero_float:
+ sum.as_float = 0.0;
+ goto zero_end;
+#endif
+ zero_end:
+ for (srcidx = 0; srcidx < nsrcs; ++srcidx) {
+ const char *src = srcs[srcidx];
+
+ /* Get sample */
+ goto *get32;
+#define GET32_END after_get
+#include "plugin_ops.h"
+#undef GET32_END
+ after_get:
+
+ /* Sum */
+ goto *add;
+ add_int64_att:
+ sum.as_sint64 += (int64_t) sample * ttp->as_int;
+ goto after_sum;
+ add_int64_noatt:
+ if (ttp->as_int)
+ sum.as_sint64 += sample;
+ goto after_sum;
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ add_float_att:
+ sum.as_float += sample * ttp->as_float;
+ goto after_sum;
+ add_float_noatt:
+ if (ttp->as_int)
+ sum.as_float += sample;
+ goto after_sum;
+#endif
+ after_sum:
+ srcs[srcidx] += src_steps[srcidx];
+ ttp++;
+ }
+
+ /* Normalization */
+ goto *norm;
+ norm_int64_att:
+ div(sum.as_sint64);
+ /* fallthru */
+ norm_int64_noatt:
+ if (sum.as_sint64 > (int64_t)0x7fffffff)
+ sample = 0x7fffffff; /* maximum positive value */
+ else if (sum.as_sint64 < -(int64_t)0x80000000)
+ sample = 0x80000000; /* maximum negative value */
+ else
+ sample = sum.as_sint64;
+ goto after_norm;
+
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ norm_float:
+ sum.as_float = rint(sum.as_float);
+ if (sum.as_float > (int64_t)0x7fffffff)
+ sample = 0x7fffffff; /* maximum positive value */
+ else if (sum.as_float < -(int64_t)0x80000000)
+ sample = 0x80000000; /* maximum negative value */
+ else
+ sample = sum.as_float;
+ goto after_norm;
+#endif
+ after_norm:
+
+ /* Put sample */
+ goto *put32;
+#define PUT32_END after_put32
+#include "plugin_ops.h"
+#undef PUT32_END
+ after_put32:
+
+ dst += dst_step;
+ }
+}
+
+#endif /* DOC_HIDDEN */
+
+static void snd_pcm_route_convert(const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int src_channels,
+ unsigned int dst_channels,
+ snd_pcm_uframes_t frames,
+ snd_pcm_route_params_t *params)
+{
+ unsigned int dst_channel;
+ snd_pcm_route_ttable_dst_t *dstp;
+ const snd_pcm_channel_area_t *dst_area;
+
+ dstp = params->dsts;
+ dst_area = dst_areas;
+ for (dst_channel = 0; dst_channel < dst_channels; ++dst_channel) {
+ if (dst_channel >= params->ndsts)
+ snd_pcm_route_convert1_zero(dst_area, dst_offset,
+ src_areas, src_offset,
+ src_channels,
+ frames, dstp, params);
+ else
+ dstp->func(dst_area, dst_offset,
+ src_areas, src_offset,
+ src_channels,
+ frames, dstp, params);
+ dstp++;
+ dst_area++;
+ }
+}
+
+static int snd_pcm_route_close(snd_pcm_t *pcm)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ snd_pcm_route_params_t *params = &route->params;
+ unsigned int dst_channel;
+
+ if (params->dsts) {
+ for (dst_channel = 0; dst_channel < params->ndsts; ++dst_channel) {
+ free(params->dsts[dst_channel].srcs);
+ }
+ free(params->dsts);
+ }
+ free(route->chmap);
+ return snd_pcm_generic_close(pcm);
+}
+
+static int snd_pcm_route_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params)
+{
+ int err;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ snd_pcm_format_mask_t format_mask = { SND_PCM_FMTBIT_LINEAR };
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set_min(params, SND_PCM_HW_PARAM_CHANNELS, 1, 0);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_route_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ if (route->sformat != SND_PCM_FORMAT_UNKNOWN) {
+ _snd_pcm_hw_params_set_format(sparams, route->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ }
+ if (route->schannels >= 0) {
+ _snd_pcm_hw_param_set(sparams, SND_PCM_HW_PARAM_CHANNELS,
+ (unsigned int) route->schannels, 0);
+ }
+ return 0;
+}
+
+static int snd_pcm_route_hw_refine_schange(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ if (route->sformat == SND_PCM_FORMAT_UNKNOWN)
+ links |= (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS);
+ if (route->schannels < 0)
+ links |= SND_PCM_HW_PARBIT_CHANNELS;
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_route_hw_refine_cchange(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ if (route->sformat == SND_PCM_FORMAT_UNKNOWN)
+ links |= (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS);
+ if (route->schannels < 0)
+ links |= SND_PCM_HW_PARBIT_CHANNELS;
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_route_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_route_hw_refine_cprepare,
+ snd_pcm_route_hw_refine_cchange,
+ snd_pcm_route_hw_refine_sprepare,
+ snd_pcm_route_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_route_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ snd_pcm_t *slave = route->plug.gen.slave;
+ snd_pcm_format_t src_format, dst_format;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_route_hw_refine_cchange,
+ snd_pcm_route_hw_refine_sprepare,
+ snd_pcm_route_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &src_format);
+ dst_format = slave->format;
+ } else {
+ src_format = slave->format;
+ err = INTERNAL(snd_pcm_hw_params_get_format)(params, &dst_format);
+ }
+ if (err < 0)
+ return err;
+ /* 3 bytes formats? */
+ route->params.use_getput =
+ (snd_pcm_format_physical_width(src_format) + 7) / 3 == 3 ||
+ (snd_pcm_format_physical_width(dst_format) + 7) / 3 == 3;
+ route->params.get_idx = snd_pcm_linear_get_index(src_format, SND_PCM_FORMAT_S32);
+ route->params.put_idx = snd_pcm_linear_put_index(SND_PCM_FORMAT_S32, dst_format);
+ route->params.conv_idx = snd_pcm_linear_convert_index(src_format, dst_format);
+ route->params.src_size = snd_pcm_format_width(src_format) / 8;
+ route->params.dst_sfmt = dst_format;
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ route->params.sum_idx = FLOAT;
+#else
+ route->params.sum_idx = UINT64;
+#endif
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_route_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ snd_pcm_t *slave = route->plug.gen.slave;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ snd_pcm_route_convert(slave_areas, slave_offset,
+ areas, offset,
+ pcm->channels,
+ slave->channels,
+ size, &route->params);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_route_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ snd_pcm_t *slave = route->plug.gen.slave;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ snd_pcm_route_convert(areas, offset,
+ slave_areas, slave_offset,
+ slave->channels,
+ pcm->channels,
+ size, &route->params);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_chmap_t *snd_pcm_route_get_chmap(snd_pcm_t *pcm)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ snd_pcm_chmap_t *map, *slave_map;
+ unsigned int src, dst, nsrcs;
+
+ slave_map = snd_pcm_generic_get_chmap(pcm);
+ if (!slave_map)
+ return NULL;
+ nsrcs = route->params.nsrcs;
+ map = calloc(4, nsrcs + 1);
+ if (!map) {
+ free(slave_map);
+ return NULL;
+ }
+ map->channels = nsrcs;
+ for (src = 0; src < nsrcs; src++)
+ map->pos[src] = SND_CHMAP_NA;
+ for (dst = 0; dst < route->params.ndsts; dst++) {
+ snd_pcm_route_ttable_dst_t *d = &route->params.dsts[dst];
+ for (src = 0; src < d->nsrcs; src++) {
+ unsigned int c = d->srcs[src].channel;
+ if (c < nsrcs && map->pos[c] == SND_CHMAP_NA)
+ map->pos[c] = slave_map->pos[dst];
+ }
+ }
+ free(slave_map);
+ return map;
+}
+
+static snd_pcm_chmap_query_t **snd_pcm_route_query_chmaps(snd_pcm_t *pcm)
+{
+ snd_pcm_chmap_query_t **maps;
+ snd_pcm_chmap_t *map = snd_pcm_route_get_chmap(pcm);
+ if (!map)
+ return NULL;
+ maps = _snd_pcm_make_single_query_chmaps(map);
+ free(map);
+ return maps;
+}
+
+static void snd_pcm_route_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_route_t *route = pcm->private_data;
+ unsigned int dst;
+ if (route->sformat == SND_PCM_FORMAT_UNKNOWN)
+ snd_output_printf(out, "Route conversion PCM\n");
+ else
+ snd_output_printf(out, "Route conversion PCM (sformat=%s)\n",
+ snd_pcm_format_name(route->sformat));
+ snd_output_puts(out, " Transformation table:\n");
+ for (dst = 0; dst < route->params.ndsts; dst++) {
+ snd_pcm_route_ttable_dst_t *d = &route->params.dsts[dst];
+ unsigned int src;
+ snd_output_printf(out, " %d <- ", dst);
+ if (d->nsrcs == 0) {
+ snd_output_printf(out, "none\n");
+ continue;
+ }
+ src = 0;
+ while (1) {
+ snd_pcm_route_ttable_src_t *s = &d->srcs[src];
+ if (d->att)
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ snd_output_printf(out, "%d*%g", s->channel, s->as_float);
+#else
+ snd_output_printf(out, "%d*%g", s->channel, (double)s->as_int / (double)SND_PCM_PLUGIN_ROUTE_RESOLUTION);
+#endif
+ else
+ snd_output_printf(out, "%d", s->channel);
+ src++;
+ if (src == d->nsrcs)
+ break;
+ snd_output_puts(out, " + ");
+ }
+ snd_output_putc(out, '\n');
+ }
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(route->plug.gen.slave, out);
+}
+
+/*
+ * Converts a string to an array of channel indices:
+ * - Given a number, the result is an array with one element,
+ * containing that number
+ * - Given a channel name (e g "FL") and a chmap,
+ * it will look this up in the chmap and return all matches
+ * - Given a channel name and no chmap, the result is an array with one element,
+ containing alsa standard channel map. Note that this might be a negative
+ number in case of "UNKNOWN", "NA" or "MONO".
+ * Return value is number of matches written.
+ */
+static int strtochannel(const char *id, snd_pcm_chmap_t *chmap,
+ long *channel, int channel_size)
+{
+ int ch;
+ if (safe_strtol(id, channel) >= 0)
+ return 1;
+
+ ch = (int) snd_pcm_chmap_from_string(id);
+ if (ch == -1)
+ return -EINVAL;
+
+ if (chmap) {
+ int i, r = 0;
+ /* Start with highest channel to simplify implementation of
+ determine ttable size */
+ for (i = chmap->channels - 1; i >= 0; i--) {
+ if ((int) chmap->pos[i] != ch)
+ continue;
+ if (r >= channel_size)
+ continue;
+ channel[r++] = i;
+ }
+ return r;
+ }
+ else {
+ /* Assume ALSA standard channel mapping */
+ *channel = ch - SND_CHMAP_FL;
+ return 1;
+ }
+}
+
+#define MAX_CHMAP_CHANNELS 256
+
+static int determine_chmap(snd_config_t *tt, snd_pcm_chmap_t **tt_chmap)
+{
+ snd_config_iterator_t i, inext;
+ snd_pcm_chmap_t *chmap;
+
+ assert(tt && tt_chmap);
+ chmap = malloc(sizeof(snd_pcm_chmap_t) +
+ MAX_CHMAP_CHANNELS * sizeof(unsigned int));
+
+ chmap->channels = 0;
+ snd_config_for_each(i, inext, tt) {
+ const char *id;
+ snd_config_iterator_t j, jnext;
+ snd_config_t *in = snd_config_iterator_entry(i);
+
+ if (!snd_config_get_id(in, &id) < 0)
+ continue;
+ if (snd_config_get_type(in) != SND_CONFIG_TYPE_COMPOUND)
+ goto err;
+ snd_config_for_each(j, jnext, in) {
+ int ch, k, found;
+ long schannel;
+ snd_config_t *jnode = snd_config_iterator_entry(j);
+ if (snd_config_get_id(jnode, &id) < 0)
+ continue;
+ if (safe_strtol(id, &schannel) >= 0)
+ continue;
+ ch = (int) snd_pcm_chmap_from_string(id);
+ if (ch == -1)
+ goto err;
+
+ found = 0;
+ for (k = 0; k < (int) chmap->channels; k++)
+ if (ch == (int) chmap->pos[k]) {
+ found = 1;
+ break;
+ }
+ if (found)
+ continue;
+
+ if (chmap->channels >= MAX_CHMAP_CHANNELS) {
+ SNDERR("Too many channels in ttable chmap");
+ goto err;
+ }
+ chmap->pos[chmap->channels++] = ch;
+ }
+ }
+
+ if (chmap->channels == 0) {
+ free(chmap);
+ chmap = NULL;
+ }
+ *tt_chmap = chmap;
+ return 0;
+
+err:
+ *tt_chmap = NULL;
+ free(chmap);
+ return -EINVAL;
+}
+
+static int find_matching_chmap(snd_pcm_t *spcm, snd_pcm_chmap_t *tt_chmap,
+ snd_pcm_chmap_t **found_chmap, int *schannels)
+{
+ snd_pcm_chmap_query_t** chmaps = snd_pcm_query_chmaps(spcm);
+ int i;
+
+ *found_chmap = NULL;
+
+ if (chmaps == NULL)
+ return 0; /* chmap API not supported for this slave */
+
+ for (i = 0; chmaps[i]; i++) {
+ unsigned int j, k;
+ int match = 1;
+ snd_pcm_chmap_t *c = &chmaps[i]->map;
+ if (*schannels >= 0 && (int) c->channels != *schannels)
+ continue;
+
+ for (j = 0; j < tt_chmap->channels; j++) {
+ int found = 0;
+ unsigned int ch = tt_chmap->pos[j];
+ for (k = 0; k < c->channels; k++)
+ if (c->pos[k] == ch) {
+ found = 1;
+ break;
+ }
+ if (!found) {
+ match = 0;
+ break;
+ }
+ }
+
+ if (match) {
+ int size = sizeof(snd_pcm_chmap_t) + c->channels * sizeof(unsigned int);
+ *found_chmap = malloc(size);
+ if (!*found_chmap) {
+ snd_pcm_free_chmaps(chmaps);
+ return -ENOMEM;
+ }
+ memcpy(*found_chmap, c, size);
+ *schannels = c->channels;
+ break;
+ }
+ }
+
+ snd_pcm_free_chmaps(chmaps);
+
+ if (*found_chmap == NULL) {
+ SNDERR("Found no matching channel map");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int route_chmap_init(snd_pcm_t *pcm)
+{
+ int set_map = 0;
+ snd_pcm_chmap_t *current;
+ snd_pcm_route_t *route = pcm->private_data;
+ if (!route->chmap)
+ return 0;
+ if (snd_pcm_state(pcm) != SND_PCM_STATE_PREPARED)
+ return 0;
+
+ /* Check if we really need to set the chmap or not.
+ This is important in case set_chmap is not implemented. */
+ current = snd_pcm_get_chmap(route->plug.gen.slave);
+ if (!current)
+ return -ENOSYS;
+ if (current->channels != route->chmap->channels)
+ set_map = 1;
+ else
+ set_map = memcmp(current->pos, route->chmap->pos,
+ current->channels);
+ free(current);
+ if (!set_map)
+ return 0;
+
+ return snd_pcm_set_chmap(route->plug.gen.slave, route->chmap);
+}
+
+
+static const snd_pcm_ops_t snd_pcm_route_ops = {
+ .close = snd_pcm_route_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_route_hw_refine,
+ .hw_params = snd_pcm_route_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_route_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_route_query_chmaps,
+ .get_chmap = snd_pcm_route_get_chmap,
+ .set_chmap = NULL, /* NYI */
+};
+
+static int route_load_ttable(snd_pcm_route_params_t *params, snd_pcm_stream_t stream,
+ unsigned int tt_ssize,
+ snd_pcm_route_ttable_entry_t *ttable,
+ unsigned int tt_cused, unsigned int tt_sused)
+{
+ unsigned int src_channel, dst_channel;
+ snd_pcm_route_ttable_dst_t *dptr;
+ unsigned int sused, dused, smul, dmul;
+ if (stream == SND_PCM_STREAM_PLAYBACK) {
+ sused = tt_cused;
+ dused = tt_sused;
+ smul = tt_ssize;
+ dmul = 1;
+ } else {
+ sused = tt_sused;
+ dused = tt_cused;
+ smul = 1;
+ dmul = tt_ssize;
+ }
+ params->ndsts = dused;
+ params->nsrcs = sused;
+ dptr = calloc(dused, sizeof(*params->dsts));
+ if (!dptr)
+ return -ENOMEM;
+ params->dsts = dptr;
+ for (dst_channel = 0; dst_channel < dused; ++dst_channel) {
+ snd_pcm_route_ttable_entry_t t = 0;
+ int att = 0;
+ int nsrcs = 0;
+ snd_pcm_route_ttable_src_t srcs[sused];
+ for (src_channel = 0; src_channel < sused; ++src_channel) {
+ snd_pcm_route_ttable_entry_t v;
+ v = ttable[src_channel * smul + dst_channel * dmul];
+ if (v != 0) {
+ srcs[nsrcs].channel = src_channel;
+#if SND_PCM_PLUGIN_ROUTE_FLOAT
+ /* Also in user space for non attenuated */
+ srcs[nsrcs].as_int = (v == SND_PCM_PLUGIN_ROUTE_FULL ? SND_PCM_PLUGIN_ROUTE_RESOLUTION : 0);
+ srcs[nsrcs].as_float = v;
+#else
+ assert(v >= 0 && v <= SND_PCM_PLUGIN_ROUTE_FULL);
+ srcs[nsrcs].as_int = v;
+#endif
+ if (v != SND_PCM_PLUGIN_ROUTE_FULL)
+ att = 1;
+ t += v;
+ nsrcs++;
+ }
+ }
+#if 0
+ assert(t <= SND_PCM_PLUGIN_ROUTE_FULL);
+#endif
+ dptr->att = att;
+ dptr->nsrcs = nsrcs;
+ if (nsrcs == 0)
+ dptr->func = snd_pcm_route_convert1_zero;
+ else
+ dptr->func = snd_pcm_route_convert1_many;
+ if (nsrcs > 0) {
+ dptr->srcs = calloc((unsigned int) nsrcs, sizeof(*srcs));
+ if (!dptr->srcs)
+ return -ENOMEM;
+ memcpy(dptr->srcs, srcs, sizeof(*srcs) * nsrcs);
+ } else
+ dptr->srcs = 0;
+ dptr++;
+ }
+ return 0;
+}
+
+/**
+ * \brief Creates a new Route & Volume PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave format
+ * \param schannels Slave channels
+ * \param ttable Attenuation table
+ * \param tt_ssize Attenuation table - slave size
+ * \param tt_cused Attenuation table - client used count
+ * \param tt_sused Attenuation table - slave used count
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_route_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat, int schannels,
+ snd_pcm_route_ttable_entry_t *ttable,
+ unsigned int tt_ssize,
+ unsigned int tt_cused, unsigned int tt_sused,
+ snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_route_t *route;
+ int err;
+ assert(pcmp && slave && ttable);
+ if (sformat != SND_PCM_FORMAT_UNKNOWN &&
+ snd_pcm_format_linear(sformat) != 1)
+ return -EINVAL;
+ route = calloc(1, sizeof(snd_pcm_route_t));
+ if (!route) {
+ return -ENOMEM;
+ }
+ snd_pcm_plugin_init(&route->plug);
+ route->sformat = sformat;
+ route->schannels = schannels;
+ route->plug.read = snd_pcm_route_read_areas;
+ route->plug.write = snd_pcm_route_write_areas;
+ route->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ route->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ route->plug.gen.slave = slave;
+ route->plug.gen.close_slave = close_slave;
+ route->plug.init = route_chmap_init;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_ROUTE, name, slave->stream, slave->mode);
+ if (err < 0) {
+ free(route);
+ return err;
+ }
+ pcm->ops = &snd_pcm_route_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = route;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &route->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &route->plug.appl_ptr, -1, 0);
+ err = route_load_ttable(&route->params, pcm->stream, tt_ssize, ttable, tt_cused, tt_sused);
+ if (err < 0) {
+ snd_pcm_close(pcm);
+ return err;
+ }
+ *pcmp = pcm;
+
+ return 0;
+}
+
+static int _snd_pcm_route_determine_ttable(snd_config_t *tt,
+ unsigned int *tt_csize,
+ unsigned int *tt_ssize,
+ snd_pcm_chmap_t *chmap)
+{
+ snd_config_iterator_t i, inext;
+ long csize = 0, ssize = 0;
+ int err;
+
+ assert(tt && tt_csize && tt_ssize);
+ snd_config_for_each(i, inext, tt) {
+ snd_config_t *in = snd_config_iterator_entry(i);
+ snd_config_iterator_t j, jnext;
+ long cchannel;
+ const char *id;
+ if (!snd_config_get_id(in, &id) < 0)
+ continue;
+ err = safe_strtol(id, &cchannel);
+ if (err < 0) {
+ SNDERR("Invalid client channel: %s", id);
+ return -EINVAL;
+ }
+ if (cchannel + 1 > csize)
+ csize = cchannel + 1;
+ if (snd_config_get_type(in) != SND_CONFIG_TYPE_COMPOUND)
+ return -EINVAL;
+ snd_config_for_each(j, jnext, in) {
+ snd_config_t *jnode = snd_config_iterator_entry(j);
+ long schannel;
+ const char *id;
+ if (snd_config_get_id(jnode, &id) < 0)
+ continue;
+ err = strtochannel(id, chmap, &schannel, 1);
+ if (err < 0) {
+ SNDERR("Invalid slave channel: %s", id);
+ return -EINVAL;
+ }
+ if (schannel + 1 > ssize)
+ ssize = schannel + 1;
+ }
+ }
+ if (csize == 0 || ssize == 0) {
+ SNDERR("Invalid null ttable configuration");
+ return -EINVAL;
+ }
+ *tt_csize = csize;
+ *tt_ssize = ssize;
+ return 0;
+}
+
+/**
+ * \brief Determine route matrix sizes
+ * \param tt Configuration root describing route matrix
+ * \param tt_csize Returned client size in elements
+ * \param tt_ssize Returned slave size in elements
+ * \retval zero on success otherwise a negative error code
+ */
+int snd_pcm_route_determine_ttable(snd_config_t *tt,
+ unsigned int *tt_csize,
+ unsigned int *tt_ssize)
+{
+ return _snd_pcm_route_determine_ttable(tt, tt_csize, tt_ssize, NULL);
+}
+
+/**
+ * \brief Load route matrix
+ * \param tt Configuration root describing route matrix
+ * \param ttable Returned route matrix
+ * \param tt_csize Client size in elements
+ * \param tt_ssize Slave size in elements
+ * \param tt_cused Used client elements
+ * \param tt_sused Used slave elements
+ * \param schannels Slave channels
+ * \retval zero on success otherwise a negative error code
+ */
+static int _snd_pcm_route_load_ttable(snd_config_t *tt, snd_pcm_route_ttable_entry_t *ttable,
+ unsigned int tt_csize, unsigned int tt_ssize,
+ unsigned int *tt_cused, unsigned int *tt_sused,
+ int schannels, snd_pcm_chmap_t *chmap)
+{
+ int cused = -1;
+ int sused = -1;
+ snd_config_iterator_t i, inext;
+ unsigned int k;
+ int err;
+ for (k = 0; k < tt_csize * tt_ssize; ++k)
+ ttable[k] = 0.0;
+ snd_config_for_each(i, inext, tt) {
+ snd_config_t *in = snd_config_iterator_entry(i);
+ snd_config_iterator_t j, jnext;
+ long cchannel;
+ const char *id;
+ if (snd_config_get_id(in, &id) < 0)
+ continue;
+ err = safe_strtol(id, &cchannel);
+ if (err < 0 ||
+ cchannel < 0 || (unsigned int) cchannel > tt_csize) {
+ SNDERR("Invalid client channel: %s", id);
+ return -EINVAL;
+ }
+ if (snd_config_get_type(in) != SND_CONFIG_TYPE_COMPOUND)
+ return -EINVAL;
+ snd_config_for_each(j, jnext, in) {
+ snd_config_t *jnode = snd_config_iterator_entry(j);
+ double value;
+ int ss;
+ long *scha = alloca(tt_ssize * sizeof(long));
+ const char *id;
+ if (snd_config_get_id(jnode, &id) < 0)
+ continue;
+
+ ss = strtochannel(id, chmap, scha, tt_ssize);
+ if (ss < 0) {
+ SNDERR("Invalid slave channel: %s", id);
+ return -EINVAL;
+ }
+
+ err = snd_config_get_real(jnode, &value);
+ if (err < 0) {
+ long v;
+ err = snd_config_get_integer(jnode, &v);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ value = v;
+ }
+
+ for (k = 0; (int) k < ss; k++) {
+ long schannel = scha[k];
+ if (schannel < 0 || (unsigned int) schannel > tt_ssize ||
+ (schannels > 0 && schannel >= schannels)) {
+ SNDERR("Invalid slave channel: %s", id);
+ return -EINVAL;
+ }
+ ttable[cchannel * tt_ssize + schannel] = value;
+ if (schannel > sused)
+ sused = schannel;
+ }
+ }
+ if (cchannel > cused)
+ cused = cchannel;
+ }
+ *tt_sused = sused + 1;
+ *tt_cused = cused + 1;
+ return 0;
+}
+
+/**
+ * \brief Load route matrix
+ * \param tt Configuration root describing route matrix
+ * \param ttable Returned route matrix
+ * \param tt_csize Client size in elements
+ * \param tt_ssize Slave size in elements
+ * \param tt_cused Used client elements
+ * \param tt_sused Used slave elements
+ * \param schannels Slave channels
+ * \retval zero on success otherwise a negative error code
+ */
+int snd_pcm_route_load_ttable(snd_config_t *tt, snd_pcm_route_ttable_entry_t *ttable,
+ unsigned int tt_csize, unsigned int tt_ssize,
+ unsigned int *tt_cused, unsigned int *tt_sused,
+ int schannels)
+{
+ return _snd_pcm_route_load_ttable(tt, ttable, tt_csize, tt_ssize,
+ tt_cused, tt_sused, schannels, NULL);
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_route Plugin: Route & Volume
+
+This plugin converts channels and applies volume during the conversion.
+The format and rate must match for both of them.
+
+SCHANNEL can be a channel name instead of a number (e g FL, LFE).
+If so, a matching channel map will be selected for the slave.
+
+\code
+pcm.name {
+ type route # Route & Volume conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ [format STR] # Slave format
+ [channels INT] # Slave channels
+ }
+ ttable { # Transfer table (bi-dimensional compound of cchannels * schannels numbers)
+ CCHANNEL {
+ SCHANNEL REAL # route value (0.0 - 1.0)
+ }
+ }
+}
+\endcode
+
+\subsection pcm_plugins_route_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_route_open()
+ <LI>_snd_pcm_route_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Route & Volume PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with Route & Volume PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_route_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_pcm_chmap_t *tt_chmap = NULL, *chmap = NULL;
+ snd_pcm_format_t sformat = SND_PCM_FORMAT_UNKNOWN;
+ int schannels = -1;
+ snd_config_t *tt = NULL;
+ snd_pcm_route_ttable_entry_t *ttable = NULL;
+ unsigned int csize, ssize;
+ unsigned int cused, sused;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "ttable") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ tt = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ if (!tt) {
+ SNDERR("ttable is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 2,
+ SND_PCM_HW_PARAM_FORMAT, 0, &sformat,
+ SND_PCM_HW_PARAM_CHANNELS, 0, &schannels);
+ if (err < 0)
+ return err;
+ if (sformat != SND_PCM_FORMAT_UNKNOWN &&
+ snd_pcm_format_linear(sformat) != 1) {
+ snd_config_delete(sconf);
+ SNDERR("slave format is not linear");
+ return -EINVAL;
+ }
+
+ err = determine_chmap(tt, &tt_chmap);
+ if (err < 0) {
+ free(ttable);
+ return err;
+ }
+
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0) {
+ free(tt_chmap);
+ free(ttable);
+ return err;
+ }
+
+ if (tt_chmap) {
+ err = find_matching_chmap(spcm, tt_chmap, &chmap, &schannels);
+ free(tt_chmap);
+ if (err < 0) {
+ snd_pcm_close(spcm);
+ return err;
+ }
+ }
+
+ err = _snd_pcm_route_determine_ttable(tt, &csize, &ssize, chmap);
+ if (err < 0) {
+ free(chmap);
+ snd_pcm_close(spcm);
+ return err;
+ }
+ ttable = malloc(csize * ssize * sizeof(snd_pcm_route_ttable_entry_t));
+ if (ttable == NULL) {
+ free(chmap);
+ snd_pcm_close(spcm);
+ return -ENOMEM;
+ }
+ err = _snd_pcm_route_load_ttable(tt, ttable, csize, ssize,
+ &cused, &sused, schannels, chmap);
+ if (err < 0) {
+ free(chmap);
+ free(ttable);
+ snd_pcm_close(spcm);
+ return err;
+ }
+
+ err = snd_pcm_route_open(pcmp, name, sformat, schannels,
+ ttable, ssize,
+ cused, sused,
+ spcm, 1);
+ free(ttable);
+ if (err < 0) {
+ free(chmap);
+ snd_pcm_close(spcm);
+ } else {
+ ((snd_pcm_route_t*) (*pcmp)->private_data)->chmap = chmap;
+ }
+
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_route_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_share.c b/src/pcm/pcm_share.c
new file mode 100644
index 0000000..4b68f1f
--- /dev/null
+++ b/src/pcm/pcm_share.c
@@ -0,0 +1,1724 @@
+/**
+ * \file pcm/pcm_share.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Share Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Share
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include <math.h>
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <sys/shm.h>
+#include <pthread.h>
+#include "pcm_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_share = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+static LIST_HEAD(snd_pcm_share_slaves);
+static pthread_mutex_t snd_pcm_share_slaves_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+#ifdef MUTEX_DEBUG
+#define Pthread_mutex_lock(mutex) \
+char *snd_pcm_share_slaves_mutex_holder;
+do { \
+ int err = pthread_mutex_trylock(mutex); \
+ if (err < 0) { \
+ fprintf(stderr, "lock " #mutex " is busy (%s): waiting in " __FUNCTION__ "\n", *(mutex##_holder)); \
+ pthread_mutex_lock(mutex); \
+ fprintf(stderr, "... got\n"); \
+ } \
+ *(mutex##_holder) = __FUNCTION__; \
+} while (0)
+
+#define Pthread_mutex_unlock(mutex) \
+do { \
+ *(mutex##_holder) = 0; \
+ pthread_mutex_unlock(mutex); \
+} while (0)
+#else
+#define Pthread_mutex_lock(mutex) pthread_mutex_lock(mutex)
+#define Pthread_mutex_unlock(mutex) pthread_mutex_unlock(mutex)
+#endif
+
+typedef struct {
+ struct list_head clients;
+ struct list_head list;
+ snd_pcm_t *pcm;
+ snd_pcm_format_t format;
+ int rate;
+ unsigned int channels;
+ snd_pcm_sframes_t period_time;
+ snd_pcm_sframes_t buffer_time;
+ unsigned int open_count;
+ unsigned int setup_count;
+ unsigned int prepared_count;
+ unsigned int running_count;
+ snd_pcm_uframes_t safety_threshold;
+ snd_pcm_uframes_t silence_frames;
+ snd_pcm_sw_params_t sw_params;
+ snd_pcm_uframes_t hw_ptr;
+ int poll[2];
+ int polling;
+ pthread_t thread;
+ pthread_mutex_t mutex;
+#ifdef MUTEX_DEBUG
+ char *mutex_holder;
+#endif
+ pthread_cond_t poll_cond;
+} snd_pcm_share_slave_t;
+
+typedef struct {
+ struct list_head list;
+ snd_pcm_t *pcm;
+ snd_pcm_share_slave_t *slave;
+ unsigned int channels;
+ unsigned int *slave_channels;
+ int drain_silenced;
+ snd_htimestamp_t trigger_tstamp;
+ snd_pcm_state_t state;
+ snd_pcm_uframes_t hw_ptr;
+ snd_pcm_uframes_t appl_ptr;
+ int ready;
+ int client_socket;
+ int slave_socket;
+} snd_pcm_share_t;
+
+#endif /* DOC_HIDDEN */
+
+static void _snd_pcm_share_stop(snd_pcm_t *pcm, snd_pcm_state_t state);
+
+static snd_pcm_uframes_t snd_pcm_share_slave_avail(snd_pcm_share_slave_t *slave)
+{
+ snd_pcm_sframes_t avail;
+ snd_pcm_t *pcm = slave->pcm;
+ avail = slave->hw_ptr - *pcm->appl.ptr;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ avail += pcm->buffer_size;
+ if (avail < 0)
+ avail += pcm->boundary;
+ else if ((snd_pcm_uframes_t) avail >= pcm->boundary)
+ avail -= pcm->boundary;
+ return avail;
+}
+
+/* Warning: take the mutex before to call this */
+/* Return number of frames to mmap_commit the slave */
+static snd_pcm_uframes_t _snd_pcm_share_slave_forward(snd_pcm_share_slave_t *slave)
+{
+ struct list_head *i;
+ snd_pcm_uframes_t buffer_size;
+ snd_pcm_sframes_t frames, safety_frames;
+ snd_pcm_sframes_t min_frames, max_frames;
+ snd_pcm_uframes_t avail, slave_avail;
+ snd_pcm_uframes_t slave_hw_avail;
+ slave_avail = snd_pcm_share_slave_avail(slave);
+ buffer_size = slave->pcm->buffer_size;
+ min_frames = slave_avail;
+ max_frames = 0;
+ list_for_each(i, &slave->clients) {
+ snd_pcm_share_t *share = list_entry(i, snd_pcm_share_t, list);
+ snd_pcm_t *pcm = share->pcm;
+ switch (share->state) {
+ case SND_PCM_STATE_RUNNING:
+ break;
+ case SND_PCM_STATE_DRAINING:
+ if (pcm->stream != SND_PCM_STREAM_PLAYBACK)
+ continue;
+ break;
+ default:
+ continue;
+ }
+ avail = snd_pcm_mmap_avail(pcm);
+ frames = slave_avail - avail;
+ if (frames > max_frames)
+ max_frames = frames;
+ if (share->state != SND_PCM_STATE_RUNNING)
+ continue;
+ if (frames < min_frames)
+ min_frames = frames;
+ }
+ if (max_frames == 0)
+ return 0;
+ frames = min_frames;
+ /* Slave xrun prevention */
+ slave_hw_avail = buffer_size - slave_avail;
+ safety_frames = slave->safety_threshold - slave_hw_avail;
+ if (safety_frames > 0 &&
+ frames < safety_frames) {
+ /* Avoid to pass over the last */
+ if (max_frames < safety_frames)
+ frames = max_frames;
+ else
+ frames = safety_frames;
+ }
+ if (frames < 0)
+ return 0;
+ return frames;
+}
+
+
+/*
+ - stop PCM on xrun
+ - update poll status
+ - draining silencing
+ - return distance in frames to next event
+*/
+static snd_pcm_uframes_t _snd_pcm_share_missing(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_t *spcm = slave->pcm;
+ snd_pcm_uframes_t buffer_size = spcm->buffer_size;
+ int ready = 1, running = 0;
+ snd_pcm_uframes_t avail = 0, slave_avail;
+ snd_pcm_sframes_t hw_avail;
+ snd_pcm_uframes_t missing = INT_MAX;
+ snd_pcm_sframes_t ready_missing;
+ // printf("state=%s hw_ptr=%ld appl_ptr=%ld slave appl_ptr=%ld safety=%ld silence=%ld\n", snd_pcm_state_name(share->state), slave->hw_ptr, share->appl_ptr, *slave->pcm->appl_ptr, slave->safety_threshold, slave->silence_frames);
+ switch (share->state) {
+ case SND_PCM_STATE_RUNNING:
+ break;
+ case SND_PCM_STATE_DRAINING:
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ break;
+ /* Fall through */
+ default:
+ return INT_MAX;
+ }
+ share->hw_ptr = slave->hw_ptr;
+ avail = snd_pcm_mmap_avail(pcm);
+ if (avail >= pcm->stop_threshold) {
+ _snd_pcm_share_stop(pcm, share->state == SND_PCM_STATE_DRAINING ? SND_PCM_STATE_SETUP : SND_PCM_STATE_XRUN);
+ goto update_poll;
+ }
+ hw_avail = buffer_size - avail;
+ slave_avail = snd_pcm_share_slave_avail(slave);
+ if (avail < slave_avail) {
+ /* Some frames need still to be transferred */
+ snd_pcm_sframes_t slave_hw_avail = buffer_size - slave_avail;
+ snd_pcm_sframes_t safety_missing = slave_hw_avail - slave->safety_threshold;
+ if (safety_missing < 0) {
+ snd_pcm_sframes_t err;
+ snd_pcm_sframes_t frames = slave_avail - avail;
+ if (-safety_missing <= frames) {
+ frames = -safety_missing;
+ missing = 1;
+ }
+ err = snd_pcm_mmap_commit(spcm, snd_pcm_mmap_offset(spcm), frames);
+ if (err < 0) {
+ SYSMSG("snd_pcm_mmap_commit error");
+ return INT_MAX;
+ }
+ if (err != frames)
+ SYSMSG("commit returns %ld for size %ld", err, frames);
+ slave_avail -= err;
+ } else {
+ if (safety_missing == 0)
+ missing = 1;
+ else
+ missing = safety_missing;
+ }
+ }
+ switch (share->state) {
+ case SND_PCM_STATE_DRAINING:
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ if (hw_avail <= 0) {
+ _snd_pcm_share_stop(pcm, SND_PCM_STATE_SETUP);
+ break;
+ }
+ if ((snd_pcm_uframes_t)hw_avail < missing)
+ missing = hw_avail;
+ running = 1;
+ ready = 0;
+ }
+ break;
+ case SND_PCM_STATE_RUNNING:
+ if (avail >= pcm->stop_threshold) {
+ _snd_pcm_share_stop(pcm, SND_PCM_STATE_XRUN);
+ break;
+ } else {
+ snd_pcm_uframes_t xrun_missing = pcm->stop_threshold - avail;
+ if (missing > xrun_missing)
+ missing = xrun_missing;
+ }
+ ready_missing = pcm->avail_min - avail;
+ if (ready_missing > 0) {
+ ready = 0;
+ if (missing > (snd_pcm_uframes_t)ready_missing)
+ missing = ready_missing;
+ }
+ running = 1;
+ break;
+ default:
+ SNDERR("invalid shared PCM state %d", share->state);
+ return INT_MAX;
+ }
+
+ update_poll:
+ if (ready != share->ready) {
+ char buf[1];
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ if (ready)
+ read(share->slave_socket, buf, 1);
+ else
+ write(share->client_socket, buf, 1);
+ } else {
+ if (ready)
+ write(share->slave_socket, buf, 1);
+ else
+ read(share->client_socket, buf, 1);
+ }
+ share->ready = ready;
+ }
+ if (!running)
+ return INT_MAX;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK &&
+ share->state == SND_PCM_STATE_DRAINING &&
+ !share->drain_silenced) {
+ /* drain silencing */
+ if (avail >= slave->silence_frames) {
+ snd_pcm_uframes_t offset = share->appl_ptr % buffer_size;
+ snd_pcm_uframes_t xfer = 0;
+ snd_pcm_uframes_t size = slave->silence_frames;
+ while (xfer < size) {
+ snd_pcm_uframes_t frames = size - xfer;
+ snd_pcm_uframes_t cont = buffer_size - offset;
+ if (cont < frames)
+ frames = cont;
+ snd_pcm_areas_silence(pcm->running_areas, offset, pcm->channels, frames, pcm->format);
+ offset += frames;
+ if (offset >= buffer_size)
+ offset = 0;
+ xfer += frames;
+ }
+ share->drain_silenced = 1;
+ } else {
+ snd_pcm_uframes_t silence_missing;
+ silence_missing = slave->silence_frames - avail;
+ if (silence_missing < missing)
+ missing = silence_missing;
+ }
+ }
+ // printf("missing=%d\n", missing);
+ return missing;
+}
+
+static snd_pcm_uframes_t _snd_pcm_share_slave_missing(snd_pcm_share_slave_t *slave)
+{
+ snd_pcm_uframes_t missing = INT_MAX;
+ struct list_head *i;
+ /* snd_pcm_sframes_t avail = */ snd_pcm_avail_update(slave->pcm);
+ slave->hw_ptr = *slave->pcm->hw.ptr;
+ list_for_each(i, &slave->clients) {
+ snd_pcm_share_t *share = list_entry(i, snd_pcm_share_t, list);
+ snd_pcm_t *pcm = share->pcm;
+ snd_pcm_uframes_t m = _snd_pcm_share_missing(pcm);
+ if (m < missing)
+ missing = m;
+ }
+ return missing;
+}
+
+static void *snd_pcm_share_thread(void *data)
+{
+ snd_pcm_share_slave_t *slave = data;
+ snd_pcm_t *spcm = slave->pcm;
+ struct pollfd pfd[2];
+ int err;
+
+ pfd[0].fd = slave->poll[0];
+ pfd[0].events = POLLIN;
+ err = snd_pcm_poll_descriptors(spcm, &pfd[1], 1);
+ if (err != 1) {
+ SNDERR("invalid poll descriptors %d", err);
+ return NULL;
+ }
+ Pthread_mutex_lock(&slave->mutex);
+ err = pipe(slave->poll);
+ if (err < 0) {
+ SYSERR("can't create a pipe");
+ Pthread_mutex_unlock(&slave->mutex);
+ return NULL;
+ }
+ while (slave->open_count > 0) {
+ snd_pcm_uframes_t missing;
+ // printf("begin min_missing\n");
+ missing = _snd_pcm_share_slave_missing(slave);
+ // printf("min_missing=%ld\n", missing);
+ if (missing < INT_MAX) {
+ snd_pcm_uframes_t hw_ptr;
+ snd_pcm_sframes_t avail_min;
+ hw_ptr = slave->hw_ptr + missing;
+ hw_ptr += spcm->period_size - 1;
+ if (hw_ptr >= spcm->boundary)
+ hw_ptr -= spcm->boundary;
+ hw_ptr -= hw_ptr % spcm->period_size;
+ avail_min = hw_ptr - *spcm->appl.ptr;
+ if (spcm->stream == SND_PCM_STREAM_PLAYBACK)
+ avail_min += spcm->buffer_size;
+ if (avail_min < 0)
+ avail_min += spcm->boundary;
+ // printf("avail_min=%d\n", avail_min);
+ if ((snd_pcm_uframes_t)avail_min != spcm->avail_min) {
+ snd_pcm_sw_params_set_avail_min(spcm, &slave->sw_params, avail_min);
+ err = snd_pcm_sw_params(spcm, &slave->sw_params);
+ if (err < 0) {
+ SYSERR("snd_pcm_sw_params error");
+ Pthread_mutex_unlock(&slave->mutex);
+ return NULL;
+ }
+ }
+ slave->polling = 1;
+ Pthread_mutex_unlock(&slave->mutex);
+ err = poll(pfd, 2, -1);
+ Pthread_mutex_lock(&slave->mutex);
+ if (pfd[0].revents & POLLIN) {
+ char buf[1];
+ read(pfd[0].fd, buf, 1);
+ }
+ } else {
+ slave->polling = 0;
+ pthread_cond_wait(&slave->poll_cond, &slave->mutex);
+ }
+ }
+ Pthread_mutex_unlock(&slave->mutex);
+ return NULL;
+}
+
+static void _snd_pcm_share_update(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_t *spcm = slave->pcm;
+ snd_pcm_uframes_t missing;
+ /* snd_pcm_sframes_t avail = */ snd_pcm_avail_update(spcm);
+ slave->hw_ptr = *slave->pcm->hw.ptr;
+ missing = _snd_pcm_share_missing(pcm);
+ // printf("missing %ld\n", missing);
+ if (!slave->polling) {
+ pthread_cond_signal(&slave->poll_cond);
+ return;
+ }
+ if (missing < INT_MAX) {
+ snd_pcm_uframes_t hw_ptr;
+ snd_pcm_sframes_t avail_min;
+ hw_ptr = slave->hw_ptr + missing;
+ hw_ptr += spcm->period_size - 1;
+ if (hw_ptr >= spcm->boundary)
+ hw_ptr -= spcm->boundary;
+ hw_ptr -= hw_ptr % spcm->period_size;
+ avail_min = hw_ptr - *spcm->appl.ptr;
+ if (spcm->stream == SND_PCM_STREAM_PLAYBACK)
+ avail_min += spcm->buffer_size;
+ if (avail_min < 0)
+ avail_min += spcm->boundary;
+ if ((snd_pcm_uframes_t)avail_min < spcm->avail_min) {
+ int err;
+ snd_pcm_sw_params_set_avail_min(spcm, &slave->sw_params, avail_min);
+ err = snd_pcm_sw_params(spcm, &slave->sw_params);
+ if (err < 0) {
+ SYSERR("snd_pcm_sw_params error");
+ return;
+ }
+ }
+ }
+}
+
+static int snd_pcm_share_nonblock(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int nonblock ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_share_async(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int sig ATTRIBUTE_UNUSED, pid_t pid ATTRIBUTE_UNUSED)
+{
+ return -ENOSYS;
+}
+
+static int snd_pcm_share_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ return snd_pcm_info(share->slave->pcm, info);
+}
+
+static int snd_pcm_share_hw_refine_cprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_access_mask_t access_mask;
+ int err;
+ snd_pcm_access_mask_any(&access_mask);
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_CHANNELS,
+ share->channels, 0);
+ if (err < 0)
+ return err;
+ if (slave->format != SND_PCM_FORMAT_UNKNOWN) {
+ err = _snd_pcm_hw_params_set_format(params, slave->format);
+ if (err < 0)
+ return err;
+ }
+
+ if (slave->rate >= 0) {
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_RATE,
+ slave->rate, 0);
+ if (err < 0)
+ return err;
+ }
+ if (slave->period_time >= 0) {
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_PERIOD_TIME,
+ slave->period_time, 0);
+ if (err < 0)
+ return err;
+ }
+ if (slave->buffer_time >= 0) {
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_BUFFER_TIME,
+ slave->buffer_time, 0);
+ if (err < 0)
+ return err;
+ }
+ params->info |= SND_PCM_INFO_DOUBLE;
+ return 0;
+}
+
+static int snd_pcm_share_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ _snd_pcm_hw_param_set(sparams, SND_PCM_HW_PARAM_CHANNELS,
+ slave->channels, 0);
+ return 0;
+}
+
+static int snd_pcm_share_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_PERIODS);
+ const snd_pcm_access_mask_t *access_mask = snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
+ if (!snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_RW_INTERLEAVED) &&
+ !snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_RW_NONINTERLEAVED) &&
+ !snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED)) {
+ snd_pcm_access_mask_t saccess_mask;
+ snd_pcm_access_mask_any(&saccess_mask);
+ snd_pcm_access_mask_reset(&saccess_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ err = _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ if (err < 0)
+ return err;
+ }
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_share_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_PERIODS);
+ snd_pcm_access_mask_t access_mask;
+ const snd_pcm_access_mask_t *saccess_mask = snd_pcm_hw_param_get_mask(sparams, SND_PCM_HW_PARAM_ACCESS);
+ snd_pcm_access_mask_any(&access_mask);
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ if (!snd_pcm_access_mask_test(saccess_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED))
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ if (!snd_pcm_access_mask_test(saccess_mask, SND_PCM_ACCESS_MMAP_COMPLEX) &&
+ !snd_pcm_access_mask_test(saccess_mask, SND_PCM_ACCESS_MMAP_INTERLEAVED))
+ snd_pcm_access_mask_reset(&access_mask, SND_PCM_ACCESS_MMAP_COMPLEX);
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_share_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ return snd_pcm_hw_refine(share->slave->pcm, params);
+}
+
+static int snd_pcm_share_hw_params_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ return _snd_pcm_hw_params_internal(share->slave->pcm, params);
+}
+
+static int snd_pcm_share_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_share_hw_refine_cprepare,
+ snd_pcm_share_hw_refine_cchange,
+ snd_pcm_share_hw_refine_sprepare,
+ snd_pcm_share_hw_refine_schange,
+ snd_pcm_share_hw_refine_slave);
+}
+
+static int snd_pcm_share_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_t *spcm = slave->pcm;
+ int err = 0;
+ Pthread_mutex_lock(&slave->mutex);
+ if (slave->setup_count) {
+ err = _snd_pcm_hw_params_set_format(params, spcm->format);
+ if (err < 0)
+ goto _err;
+ err = _snd_pcm_hw_params_set_subformat(params, spcm->subformat);
+ if (err < 0)
+ goto _err;
+ err = _snd_pcm_hw_param_set_minmax(params, SND_PCM_HW_PARAM_RATE,
+ spcm->rate, 0,
+ spcm->rate, 1);
+ if (err < 0)
+ goto _err;
+ err = _snd_pcm_hw_param_set_minmax(params, SND_PCM_HW_PARAM_PERIOD_TIME,
+ spcm->period_time, 0,
+ spcm->period_time, 1);
+ if (err < 0)
+ goto _err;
+ err = _snd_pcm_hw_param_set(params, SND_PCM_HW_PARAM_BUFFER_SIZE,
+ spcm->buffer_size, 0);
+ _err:
+ if (err < 0) {
+ SNDERR("slave is already running with incompatible setup");
+ err = -EBUSY;
+ goto _end;
+ }
+ } else {
+ err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_share_hw_refine_cchange,
+ snd_pcm_share_hw_refine_sprepare,
+ snd_pcm_share_hw_refine_schange,
+ snd_pcm_share_hw_params_slave);
+ if (err < 0)
+ goto _end;
+ snd_pcm_sw_params_current(slave->pcm, &slave->sw_params);
+ /* >= 30 ms */
+ slave->safety_threshold = slave->pcm->rate * 30 / 1000;
+ slave->safety_threshold += slave->pcm->period_size - 1;
+ slave->safety_threshold -= slave->safety_threshold % slave->pcm->period_size;
+ slave->silence_frames = slave->safety_threshold;
+ if (slave->pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ snd_pcm_areas_silence(slave->pcm->running_areas, 0, slave->pcm->channels, slave->pcm->buffer_size, slave->pcm->format);
+ }
+ share->state = SND_PCM_STATE_SETUP;
+ slave->setup_count++;
+ _end:
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int snd_pcm_share_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err = 0;
+ Pthread_mutex_lock(&slave->mutex);
+ slave->setup_count--;
+ if (slave->setup_count == 0)
+ err = snd_pcm_hw_free(slave->pcm);
+ share->state = SND_PCM_STATE_OPEN;
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int snd_pcm_share_sw_params(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_sw_params_t *params ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_share_status(snd_pcm_t *pcm, snd_pcm_status_t *status)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err = 0;
+ snd_pcm_sframes_t sd = 0, d = 0;
+ Pthread_mutex_lock(&slave->mutex);
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ status->avail = snd_pcm_mmap_playback_avail(pcm);
+ if (share->state != SND_PCM_STATE_RUNNING &&
+ share->state != SND_PCM_STATE_DRAINING)
+ goto _notrunning;
+ d = pcm->buffer_size - status->avail;
+ } else {
+ status->avail = snd_pcm_mmap_capture_avail(pcm);
+ if (share->state != SND_PCM_STATE_RUNNING)
+ goto _notrunning;
+ d = status->avail;
+ }
+ err = snd_pcm_delay(slave->pcm, &sd);
+ if (err < 0)
+ goto _end;
+ _notrunning:
+ status->delay = sd + d;
+ status->state = share->state;
+ status->trigger_tstamp = share->trigger_tstamp;
+ _end:
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static snd_pcm_state_t snd_pcm_share_state(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ return share->state;
+}
+
+static int _snd_pcm_share_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ switch (share->state) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ default:
+ break;
+ }
+ return snd_pcm_hwsync(slave->pcm);
+}
+
+static int snd_pcm_share_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err;
+ Pthread_mutex_lock(&slave->mutex);
+ err = _snd_pcm_share_hwsync(pcm);
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int _snd_pcm_share_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ switch (share->state) {
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ case SND_PCM_STATE_RUNNING:
+ break;
+ case SND_PCM_STATE_DRAINING:
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
+ break;
+ /* Fall through */
+ default:
+ return -EBADFD;
+ }
+ return snd_pcm_delay(slave->pcm, delayp);
+}
+
+static int snd_pcm_share_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err;
+ Pthread_mutex_lock(&slave->mutex);
+ err = _snd_pcm_share_delay(pcm, delayp);
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_share_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t avail;
+ Pthread_mutex_lock(&slave->mutex);
+ if (share->state == SND_PCM_STATE_RUNNING) {
+ avail = snd_pcm_avail_update(slave->pcm);
+ if (avail < 0) {
+ Pthread_mutex_unlock(&slave->mutex);
+ return avail;
+ }
+ share->hw_ptr = *slave->pcm->hw.ptr;
+ }
+ Pthread_mutex_unlock(&slave->mutex);
+ avail = snd_pcm_mmap_avail(pcm);
+ if ((snd_pcm_uframes_t)avail > pcm->buffer_size)
+ return -EPIPE;
+ return avail;
+}
+
+static int snd_pcm_share_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
+ snd_htimestamp_t *tstamp)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err;
+ Pthread_mutex_lock(&slave->mutex);
+ err = snd_pcm_htimestamp(slave->pcm, avail, tstamp);
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+/* Call it with mutex held */
+static snd_pcm_sframes_t _snd_pcm_share_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_t *spcm = slave->pcm;
+ snd_pcm_sframes_t ret;
+ snd_pcm_sframes_t frames;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK &&
+ share->state == SND_PCM_STATE_RUNNING) {
+ frames = *spcm->appl.ptr - share->appl_ptr;
+ if (frames > (snd_pcm_sframes_t)pcm->buffer_size)
+ frames -= pcm->boundary;
+ else if (frames < -(snd_pcm_sframes_t)pcm->buffer_size)
+ frames += pcm->boundary;
+ if (frames > 0) {
+ /* Latecomer PCM */
+ ret = snd_pcm_rewind(spcm, frames);
+ if (ret < 0)
+ return ret;
+ }
+ }
+ snd_pcm_mmap_appl_forward(pcm, size);
+ if (share->state == SND_PCM_STATE_RUNNING) {
+ frames = _snd_pcm_share_slave_forward(slave);
+ if (frames > 0) {
+ snd_pcm_sframes_t err;
+ err = snd_pcm_mmap_commit(spcm, snd_pcm_mmap_offset(spcm), frames);
+ if (err < 0) {
+ SYSMSG("snd_pcm_mmap_commit error");
+ return err;
+ }
+ if (err != frames) {
+ SYSMSG("commit returns %ld for size %ld", err, frames);
+ return err;
+ }
+ }
+ _snd_pcm_share_update(pcm);
+ }
+ return size;
+}
+
+static snd_pcm_sframes_t snd_pcm_share_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t ret;
+ Pthread_mutex_lock(&slave->mutex);
+ ret = _snd_pcm_share_mmap_commit(pcm, offset, size);
+ Pthread_mutex_unlock(&slave->mutex);
+ return ret;
+}
+
+static int snd_pcm_share_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err = 0;
+ Pthread_mutex_lock(&slave->mutex);
+ switch (share->state) {
+ case SND_PCM_STATE_OPEN:
+ err = -EBADFD;
+ goto _end;
+ case SND_PCM_STATE_RUNNING:
+ err = -EBUSY;
+ goto _end;
+ case SND_PCM_STATE_PREPARED:
+ err = 0;
+ goto _end;
+ default: /* nothing todo */
+ break;
+ }
+ if (slave->prepared_count == 0) {
+ err = snd_pcm_prepare(slave->pcm);
+ if (err < 0)
+ goto _end;
+ }
+ slave->prepared_count++;
+ share->hw_ptr = 0;
+ share->appl_ptr = 0;
+ share->state = SND_PCM_STATE_PREPARED;
+ _end:
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int snd_pcm_share_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err = 0;
+ /* FIXME? */
+ Pthread_mutex_lock(&slave->mutex);
+ snd_pcm_areas_silence(pcm->running_areas, 0, pcm->channels, pcm->buffer_size, pcm->format);
+ share->hw_ptr = *slave->pcm->hw.ptr;
+ share->appl_ptr = share->hw_ptr;
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int snd_pcm_share_start(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_t *spcm = slave->pcm;
+ int err = 0;
+ if (share->state != SND_PCM_STATE_PREPARED)
+ return -EBADFD;
+ Pthread_mutex_lock(&slave->mutex);
+ share->state = SND_PCM_STATE_RUNNING;
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ snd_pcm_uframes_t hw_avail = snd_pcm_mmap_playback_hw_avail(pcm);
+ snd_pcm_uframes_t xfer = 0;
+ if (hw_avail == 0) {
+ err = -EPIPE;
+ goto _end;
+ }
+ if (slave->running_count) {
+ snd_pcm_sframes_t sd;
+ err = snd_pcm_delay(spcm, &sd);
+ if (err < 0)
+ goto _end;
+ err = snd_pcm_rewind(spcm, sd);
+ if (err < 0)
+ goto _end;
+ }
+ assert(share->hw_ptr == 0);
+ share->hw_ptr = *spcm->hw.ptr;
+ share->appl_ptr = *spcm->appl.ptr;
+ while (xfer < hw_avail) {
+ snd_pcm_uframes_t frames = hw_avail - xfer;
+ snd_pcm_uframes_t offset = snd_pcm_mmap_offset(pcm);
+ snd_pcm_uframes_t cont = pcm->buffer_size - offset;
+ if (cont < frames)
+ frames = cont;
+ if (pcm->stopped_areas != NULL)
+ snd_pcm_areas_copy(pcm->running_areas, offset,
+ pcm->stopped_areas, xfer,
+ pcm->channels, frames,
+ pcm->format);
+ xfer += frames;
+ }
+ snd_pcm_mmap_appl_forward(pcm, hw_avail);
+ if (slave->running_count == 0) {
+ snd_pcm_sframes_t res;
+ res = snd_pcm_mmap_commit(spcm, snd_pcm_mmap_offset(spcm), hw_avail);
+ if (res < 0) {
+ err = res;
+ goto _end;
+ }
+ assert((snd_pcm_uframes_t)res == hw_avail);
+ }
+ }
+ if (slave->running_count == 0) {
+ err = snd_pcm_start(spcm);
+ if (err < 0)
+ goto _end;
+ }
+ slave->running_count++;
+ _snd_pcm_share_update(pcm);
+ gettimestamp(&share->trigger_tstamp, pcm->tstamp_type);
+ _end:
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int snd_pcm_share_pause(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int enable ATTRIBUTE_UNUSED)
+{
+ return -ENOSYS;
+}
+
+static int snd_pcm_share_resume(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+static int snd_pcm_share_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ unsigned int channel = info->channel;
+ int c = share->slave_channels[channel];
+ int err;
+ info->channel = c;
+ err = snd_pcm_channel_info(slave->pcm, info);
+ info->channel = channel;
+ return err;
+}
+
+static snd_pcm_sframes_t _snd_pcm_share_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t n;
+ switch (share->state) {
+ case SND_PCM_STATE_RUNNING:
+ break;
+ case SND_PCM_STATE_PREPARED:
+ if (pcm->stream != SND_PCM_STREAM_PLAYBACK)
+ return -EBADFD;
+ break;
+ case SND_PCM_STATE_DRAINING:
+ if (pcm->stream != SND_PCM_STREAM_CAPTURE)
+ return -EBADFD;
+ break;
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ default:
+ return -EBADFD;
+ }
+ n = snd_pcm_mmap_hw_avail(pcm);
+ assert(n >= 0);
+ if ((snd_pcm_uframes_t)n > frames)
+ frames = n;
+ if (share->state == SND_PCM_STATE_RUNNING && frames > 0) {
+ snd_pcm_sframes_t ret = snd_pcm_rewind(slave->pcm, frames);
+ if (ret < 0)
+ return ret;
+ frames = ret;
+ }
+ snd_pcm_mmap_appl_backward(pcm, frames);
+ _snd_pcm_share_update(pcm);
+ return n;
+}
+
+static snd_pcm_sframes_t snd_pcm_share_rewindable(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t ret;
+ Pthread_mutex_lock(&slave->mutex);
+ ret = snd_pcm_rewindable(slave->pcm);
+ Pthread_mutex_unlock(&slave->mutex);
+ return ret;
+}
+
+static snd_pcm_sframes_t snd_pcm_share_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t ret;
+ Pthread_mutex_lock(&slave->mutex);
+ ret = _snd_pcm_share_rewind(pcm, frames);
+ Pthread_mutex_unlock(&slave->mutex);
+ return ret;
+}
+
+static snd_pcm_sframes_t _snd_pcm_share_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t n;
+ switch (share->state) {
+ case SND_PCM_STATE_RUNNING:
+ break;
+ case SND_PCM_STATE_PREPARED:
+ if (pcm->stream != SND_PCM_STREAM_PLAYBACK)
+ return -EBADFD;
+ break;
+ case SND_PCM_STATE_DRAINING:
+ if (pcm->stream != SND_PCM_STREAM_CAPTURE)
+ return -EBADFD;
+ break;
+ case SND_PCM_STATE_XRUN:
+ return -EPIPE;
+ default:
+ return -EBADFD;
+ }
+ n = snd_pcm_mmap_avail(pcm);
+ if ((snd_pcm_uframes_t)n > frames)
+ frames = n;
+ if (share->state == SND_PCM_STATE_RUNNING && frames > 0) {
+ snd_pcm_sframes_t ret = INTERNAL(snd_pcm_forward)(slave->pcm, frames);
+ if (ret < 0)
+ return ret;
+ frames = ret;
+ }
+ snd_pcm_mmap_appl_forward(pcm, frames);
+ _snd_pcm_share_update(pcm);
+ return n;
+}
+
+static snd_pcm_sframes_t snd_pcm_share_forwardable(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t ret;
+ Pthread_mutex_lock(&slave->mutex);
+ ret = snd_pcm_forwardable(slave->pcm);
+ Pthread_mutex_unlock(&slave->mutex);
+ return ret;
+}
+
+static snd_pcm_sframes_t snd_pcm_share_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ snd_pcm_sframes_t ret;
+ Pthread_mutex_lock(&slave->mutex);
+ ret = _snd_pcm_share_forward(pcm, frames);
+ Pthread_mutex_unlock(&slave->mutex);
+ return ret;
+}
+
+/* Warning: take the mutex before to call this */
+static void _snd_pcm_share_stop(snd_pcm_t *pcm, snd_pcm_state_t state)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+#if 0
+ if (!pcm->mmap_channels) {
+ /* PCM closing already begun in the main thread */
+ return;
+ }
+#endif
+ gettimestamp(&share->trigger_tstamp, pcm->tstamp_type);
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE) {
+ snd_pcm_areas_copy(pcm->stopped_areas, 0,
+ pcm->running_areas, 0,
+ pcm->channels, pcm->buffer_size,
+ pcm->format);
+ } else if (slave->running_count > 1) {
+ int err;
+ snd_pcm_sframes_t delay;
+ snd_pcm_areas_silence(pcm->running_areas, 0, pcm->channels,
+ pcm->buffer_size, pcm->format);
+ err = snd_pcm_delay(slave->pcm, &delay);
+ if (err >= 0 && delay > 0)
+ snd_pcm_rewind(slave->pcm, delay);
+ share->drain_silenced = 0;
+ }
+ share->state = state;
+ slave->prepared_count--;
+ slave->running_count--;
+ if (slave->running_count == 0) {
+ int err = snd_pcm_drop(slave->pcm);
+ assert(err >= 0);
+ }
+}
+
+static int snd_pcm_share_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err = 0;
+ Pthread_mutex_lock(&slave->mutex);
+ switch (share->state) {
+ case SND_PCM_STATE_OPEN:
+ err = -EBADFD;
+ goto _end;
+ case SND_PCM_STATE_PREPARED:
+ share->state = SND_PCM_STATE_SETUP;
+ goto _end;
+ case SND_PCM_STATE_SETUP:
+ goto _end;
+ default:
+ break;
+ }
+ if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
+ switch (share->state) {
+ case SND_PCM_STATE_XRUN:
+ share->state = SND_PCM_STATE_SETUP;
+ goto _end;
+ case SND_PCM_STATE_DRAINING:
+ case SND_PCM_STATE_RUNNING:
+ share->state = SND_PCM_STATE_DRAINING;
+ _snd_pcm_share_update(pcm);
+ Pthread_mutex_unlock(&slave->mutex);
+ if (!(pcm->mode & SND_PCM_NONBLOCK))
+ snd_pcm_wait(pcm, -1);
+ return 0;
+ default:
+ assert(0);
+ break;
+ }
+ } else {
+ switch (share->state) {
+ case SND_PCM_STATE_RUNNING:
+ _snd_pcm_share_stop(pcm, SND_PCM_STATE_DRAINING);
+ _snd_pcm_share_update(pcm);
+ /* Fall through */
+ case SND_PCM_STATE_XRUN:
+ case SND_PCM_STATE_DRAINING:
+ if (snd_pcm_mmap_capture_avail(pcm) <= 0)
+ share->state = SND_PCM_STATE_SETUP;
+ else
+ share->state = SND_PCM_STATE_DRAINING;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+ _end:
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int snd_pcm_share_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err = 0;
+ Pthread_mutex_lock(&slave->mutex);
+ switch (share->state) {
+ case SND_PCM_STATE_OPEN:
+ err = -EBADFD;
+ goto _end;
+ case SND_PCM_STATE_SETUP:
+ break;
+ case SND_PCM_STATE_DRAINING:
+ if (pcm->stream == SND_PCM_STREAM_CAPTURE) {
+ share->state = SND_PCM_STATE_SETUP;
+ break;
+ }
+ /* Fall through */
+ case SND_PCM_STATE_RUNNING:
+ _snd_pcm_share_stop(pcm, SND_PCM_STATE_SETUP);
+ _snd_pcm_share_update(pcm);
+ break;
+ case SND_PCM_STATE_PREPARED:
+ case SND_PCM_STATE_XRUN:
+ share->state = SND_PCM_STATE_SETUP;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ share->appl_ptr = share->hw_ptr = 0;
+ _end:
+ Pthread_mutex_unlock(&slave->mutex);
+ return err;
+}
+
+static int snd_pcm_share_close(snd_pcm_t *pcm)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ int err = 0;
+
+ Pthread_mutex_lock(&snd_pcm_share_slaves_mutex);
+ Pthread_mutex_lock(&slave->mutex);
+ slave->open_count--;
+ if (slave->open_count == 0) {
+ pthread_cond_signal(&slave->poll_cond);
+ Pthread_mutex_unlock(&slave->mutex);
+ err = pthread_join(slave->thread, 0);
+ assert(err == 0);
+ err = snd_pcm_close(slave->pcm);
+ pthread_mutex_destroy(&slave->mutex);
+ pthread_cond_destroy(&slave->poll_cond);
+ list_del(&slave->list);
+ free(slave);
+ list_del(&share->list);
+ } else {
+ list_del(&share->list);
+ Pthread_mutex_unlock(&slave->mutex);
+ }
+ Pthread_mutex_unlock(&snd_pcm_share_slaves_mutex);
+ close(share->client_socket);
+ close(share->slave_socket);
+ free(share->slave_channels);
+ free(share);
+ return err;
+}
+
+static int snd_pcm_share_mmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_share_munmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static void snd_pcm_share_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_share_t *share = pcm->private_data;
+ snd_pcm_share_slave_t *slave = share->slave;
+ unsigned int k;
+ snd_output_printf(out, "Share PCM\n");
+ snd_output_printf(out, " Channel bindings:\n");
+ for (k = 0; k < share->channels; ++k)
+ snd_output_printf(out, " %d: %d\n", k, share->slave_channels[k]);
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(slave->pcm, out);
+}
+
+static const snd_pcm_ops_t snd_pcm_share_ops = {
+ .close = snd_pcm_share_close,
+ .info = snd_pcm_share_info,
+ .hw_refine = snd_pcm_share_hw_refine,
+ .hw_params = snd_pcm_share_hw_params,
+ .hw_free = snd_pcm_share_hw_free,
+ .sw_params = snd_pcm_share_sw_params,
+ .channel_info = snd_pcm_share_channel_info,
+ .dump = snd_pcm_share_dump,
+ .nonblock = snd_pcm_share_nonblock,
+ .async = snd_pcm_share_async,
+ .mmap = snd_pcm_share_mmap,
+ .munmap = snd_pcm_share_munmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_share_fast_ops = {
+ .status = snd_pcm_share_status,
+ .state = snd_pcm_share_state,
+ .hwsync = snd_pcm_share_hwsync,
+ .delay = snd_pcm_share_delay,
+ .prepare = snd_pcm_share_prepare,
+ .reset = snd_pcm_share_reset,
+ .start = snd_pcm_share_start,
+ .drop = snd_pcm_share_drop,
+ .drain = snd_pcm_share_drain,
+ .pause = snd_pcm_share_pause,
+ .writei = snd_pcm_mmap_writei,
+ .writen = snd_pcm_mmap_writen,
+ .readi = snd_pcm_mmap_readi,
+ .readn = snd_pcm_mmap_readn,
+ .rewindable = snd_pcm_share_rewindable,
+ .rewind = snd_pcm_share_rewind,
+ .forwardable = snd_pcm_share_forwardable,
+ .forward = snd_pcm_share_forward,
+ .resume = snd_pcm_share_resume,
+ .avail_update = snd_pcm_share_avail_update,
+ .htimestamp = snd_pcm_share_htimestamp,
+ .mmap_commit = snd_pcm_share_mmap_commit,
+};
+
+/**
+ * \brief Creates a new Share PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sname Slave name
+ * \param sformat Slave format
+ * \param srate Slave rate
+ * \param schannels Slave channels
+ * \param speriod_time Slave period time
+ * \param sbuffer_time Slave buffer time
+ * \param channels Count of channels
+ * \param channels_map Map of channels
+ * \param stream Direction
+ * \param mode PCM mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_share_open(snd_pcm_t **pcmp, const char *name, const char *sname,
+ snd_pcm_format_t sformat, int srate,
+ unsigned int schannels,
+ int speriod_time, int sbuffer_time,
+ unsigned int channels, unsigned int *channels_map,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_share_t *share;
+ int err;
+ struct list_head *i;
+ char slave_map[32] = { 0 };
+ unsigned int k;
+ snd_pcm_share_slave_t *slave = NULL;
+ int sd[2];
+
+ assert(pcmp);
+ assert(channels > 0 && sname && channels_map);
+
+ for (k = 0; k < channels; ++k) {
+ if (channels_map[k] >= sizeof(slave_map) / sizeof(slave_map[0])) {
+ SNDERR("Invalid slave channel (%d) in binding", channels_map[k]);
+ return -EINVAL;
+ }
+ if (slave_map[channels_map[k]]) {
+ SNDERR("Repeated slave channel (%d) in binding", channels_map[k]);
+ return -EINVAL;
+ }
+ slave_map[channels_map[k]] = 1;
+ assert((unsigned)channels_map[k] < schannels);
+ }
+
+ share = calloc(1, sizeof(snd_pcm_share_t));
+ if (!share)
+ return -ENOMEM;
+
+ share->channels = channels;
+ share->slave_channels = calloc(channels, sizeof(*share->slave_channels));
+ if (!share->slave_channels) {
+ free(share);
+ return -ENOMEM;
+ }
+ memcpy(share->slave_channels, channels_map, channels * sizeof(*share->slave_channels));
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_SHARE, name, stream, mode);
+ if (err < 0) {
+ free(share->slave_channels);
+ free(share);
+ return err;
+ }
+ err = socketpair(AF_LOCAL, SOCK_STREAM, 0, sd);
+ if (err < 0) {
+ snd_pcm_free(pcm);
+ free(share->slave_channels);
+ free(share);
+ return -errno;
+ }
+
+ if (stream == SND_PCM_STREAM_PLAYBACK) {
+ int bufsize = 1;
+ err = setsockopt(sd[0], SOL_SOCKET, SO_SNDBUF, &bufsize, sizeof(bufsize));
+ if (err >= 0) {
+ struct pollfd pfd;
+ pfd.fd = sd[0];
+ pfd.events = POLLOUT;
+ while ((err = poll(&pfd, 1, 0)) == 1) {
+ char buf[1];
+ err = write(sd[0], buf, 1);
+ assert(err != 0);
+ if (err != 1)
+ break;
+ }
+ }
+ }
+ if (err < 0) {
+ err = -errno;
+ close(sd[0]);
+ close(sd[1]);
+ snd_pcm_free(pcm);
+ free(share->slave_channels);
+ free(share);
+ return err;
+ }
+
+ Pthread_mutex_lock(&snd_pcm_share_slaves_mutex);
+ list_for_each(i, &snd_pcm_share_slaves) {
+ snd_pcm_share_slave_t *s = list_entry(i, snd_pcm_share_slave_t, list);
+ if (s->pcm->name && strcmp(s->pcm->name, sname) == 0) {
+ slave = s;
+ break;
+ }
+ }
+ if (!slave) {
+ snd_pcm_t *spcm;
+ err = snd_pcm_open(&spcm, sname, stream, mode);
+ if (err < 0) {
+ Pthread_mutex_unlock(&snd_pcm_share_slaves_mutex);
+ close(sd[0]);
+ close(sd[1]);
+ snd_pcm_free(pcm);
+ free(share->slave_channels);
+ free(share);
+ return err;
+ }
+ /* FIXME: bellow is a real ugly hack to get things working */
+ /* there is a memory leak somewhere, but I'm unable to trace it --jk */
+ slave = calloc(1, sizeof(snd_pcm_share_slave_t) * 8);
+ if (!slave) {
+ Pthread_mutex_unlock(&snd_pcm_share_slaves_mutex);
+ snd_pcm_close(spcm);
+ close(sd[0]);
+ close(sd[1]);
+ snd_pcm_free(pcm);
+ free(share->slave_channels);
+ free(share);
+ return err;
+ }
+ INIT_LIST_HEAD(&slave->clients);
+ slave->pcm = spcm;
+ slave->channels = schannels;
+ slave->format = sformat;
+ slave->rate = srate;
+ slave->period_time = speriod_time;
+ slave->buffer_time = sbuffer_time;
+ pthread_mutex_init(&slave->mutex, NULL);
+ pthread_cond_init(&slave->poll_cond, NULL);
+ list_add_tail(&slave->list, &snd_pcm_share_slaves);
+ Pthread_mutex_lock(&slave->mutex);
+ err = pthread_create(&slave->thread, NULL, snd_pcm_share_thread, slave);
+ assert(err == 0);
+ Pthread_mutex_unlock(&snd_pcm_share_slaves_mutex);
+ } else {
+ Pthread_mutex_lock(&slave->mutex);
+ Pthread_mutex_unlock(&snd_pcm_share_slaves_mutex);
+ list_for_each(i, &slave->clients) {
+ snd_pcm_share_t *sh = list_entry(i, snd_pcm_share_t, list);
+ for (k = 0; k < sh->channels; ++k) {
+ if (slave_map[sh->slave_channels[k]]) {
+ SNDERR("Slave channel %d is already in use", sh->slave_channels[k]);
+ Pthread_mutex_unlock(&slave->mutex);
+ close(sd[0]);
+ close(sd[1]);
+ snd_pcm_free(pcm);
+ free(share->slave_channels);
+ free(share);
+ return -EBUSY;
+ }
+ }
+ }
+ }
+
+ share->slave = slave;
+ share->pcm = pcm;
+ share->client_socket = sd[0];
+ share->slave_socket = sd[1];
+
+ pcm->mmap_rw = 1;
+ pcm->ops = &snd_pcm_share_ops;
+ pcm->fast_ops = &snd_pcm_share_fast_ops;
+ pcm->private_data = share;
+ pcm->poll_fd = share->client_socket;
+ pcm->poll_events = stream == SND_PCM_STREAM_PLAYBACK ? POLLOUT : POLLIN;
+ pcm->tstamp_type = slave->pcm->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &share->hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &share->appl_ptr, -1, 0);
+
+ slave->open_count++;
+ list_add_tail(&share->list, &slave->clients);
+
+ Pthread_mutex_unlock(&slave->mutex);
+
+ *pcmp = pcm;
+ return 0;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_share Plugin: Share
+
+This plugin allows sharing of multiple channels with more clients. The access
+to each channel is exlusive (samples are not mixed together). It means, if
+the channel zero is used with first client, the channel cannot be used with
+second one. If you are looking for a mixing plugin, use the
+\ref pcm_plugins_dmix "dmix plugin".
+
+The difference from \ref pcm_plugins_dshare "dshare plugin" is that
+share plugin requires the server program "aserver", while dshare plugin
+doesn't need the explicit server but access to the shared buffer.
+
+\code
+pcm.name {
+ type share # Share PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ [format STR] # Slave format
+ [channels INT] # Slave channels
+ [rate INT] # Slave rate
+ [period_time INT] # Slave period time in us
+ [buffer_time INT] # Slave buffer time in us
+ }
+ bindings {
+ N INT # Slave channel INT for client channel N
+ }
+}
+\endcode
+
+\subsection pcm_plugins_share_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_share_open()
+ <LI>_snd_pcm_share_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Share PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with Share PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_share_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ const char *sname = NULL;
+ snd_config_t *bindings = NULL;
+ int err;
+ snd_config_t *slave = NULL, *sconf;
+ unsigned int *channels_map = NULL;
+ unsigned int channels = 0;
+ snd_pcm_format_t sformat = SND_PCM_FORMAT_UNKNOWN;
+ int schannels = -1;
+ int srate = -1;
+ int speriod_time= -1, sbuffer_time = -1;
+ unsigned int schannel_max = 0;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "bindings") == 0) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ bindings = n;
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ err = snd_pcm_slave_conf(root, slave, &sconf, 5,
+ SND_PCM_HW_PARAM_FORMAT, 0, &sformat,
+ SND_PCM_HW_PARAM_CHANNELS, 0, &schannels,
+ SND_PCM_HW_PARAM_RATE, 0, &srate,
+ SND_PCM_HW_PARAM_PERIOD_TIME, 0, &speriod_time,
+ SND_PCM_HW_PARAM_BUFFER_TIME, 0, &sbuffer_time);
+ if (err < 0)
+ return err;
+
+ /* FIXME: nothing strictly forces to have named definition */
+ err = snd_config_get_string(sconf, &sname);
+ sname = err >= 0 && sname ? strdup(sname) : NULL;
+ snd_config_delete(sconf);
+ if (sname == NULL) {
+ SNDERR("slave.pcm is not a string");
+ return err;
+ }
+
+ if (!bindings) {
+ SNDERR("bindings is not defined");
+ err = -EINVAL;
+ goto _free;
+ }
+ snd_config_for_each(i, next, bindings) {
+ long cchannel = -1;
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ err = safe_strtol(id, &cchannel);
+ if (err < 0 || cchannel < 0) {
+ SNDERR("Invalid client channel in binding: %s", id);
+ err = -EINVAL;
+ goto _free;
+ }
+ if ((unsigned)cchannel >= channels)
+ channels = cchannel + 1;
+ }
+ if (channels == 0) {
+ SNDERR("No bindings defined");
+ err = -EINVAL;
+ goto _free;
+ }
+ channels_map = calloc(channels, sizeof(*channels_map));
+ if (! channels_map) {
+ err = -ENOMEM;
+ goto _free;
+ }
+
+ snd_config_for_each(i, next, bindings) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ long cchannel;
+ long schannel = -1;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ cchannel = atoi(id);
+ err = snd_config_get_integer(n, &schannel);
+ if (err < 0) {
+ goto _free;
+ }
+ assert(schannel >= 0);
+ assert(schannels <= 0 || schannel < schannels);
+ channels_map[cchannel] = schannel;
+ if ((unsigned)schannel > schannel_max)
+ schannel_max = schannel;
+ }
+ if (schannels <= 0)
+ schannels = schannel_max + 1;
+ err = snd_pcm_share_open(pcmp, name, sname, sformat, srate,
+ (unsigned int) schannels,
+ speriod_time, sbuffer_time,
+ channels, channels_map, stream, mode);
+_free:
+ free(channels_map);
+ free((char *)sname);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_share_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_shm.c b/src/pcm/pcm_shm.c
new file mode 100644
index 0000000..a815ac6
--- /dev/null
+++ b/src/pcm/pcm_shm.c
@@ -0,0 +1,907 @@
+/**
+ * \file pcm/pcm_shm.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Shared Memory Plugin Interface
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ */
+/*
+ * PCM - Shared Memory Client
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <limits.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/shm.h>
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <sys/un.h>
+#include <sys/mman.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <netdb.h>
+#include "aserver.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_shm = "";
+#endif
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ int socket;
+ volatile snd_pcm_shm_ctrl_t *ctrl;
+} snd_pcm_shm_t;
+#endif
+
+static long snd_pcm_shm_action_fd0(snd_pcm_t *pcm, int *fd)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ int err;
+ char buf[1];
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+
+ err = write(shm->socket, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ err = snd_receive_fd(shm->socket, buf, 1, fd);
+ if (err != 1)
+ return -EBADFD;
+ if (ctrl->cmd) {
+ SNDERR("Server has not done the cmd");
+ return -EBADFD;
+ }
+ return ctrl->result;
+}
+
+static int snd_pcm_shm_new_rbptr(snd_pcm_t *pcm, snd_pcm_shm_t *shm,
+ snd_pcm_rbptr_t *rbptr, volatile snd_pcm_shm_rbptr_t *shm_rbptr)
+{
+ if (!shm_rbptr->use_mmap) {
+ if (&pcm->hw == rbptr)
+ snd_pcm_set_hw_ptr(pcm, &shm_rbptr->ptr, -1, 0);
+ else
+ snd_pcm_set_appl_ptr(pcm, &shm_rbptr->ptr, -1, 0);
+ } else {
+ void *ptr;
+ size_t mmap_size, mmap_offset, offset;
+ int fd;
+ long result;
+
+ shm->ctrl->cmd = &pcm->hw == rbptr ? SND_PCM_IOCTL_HW_PTR_FD : SND_PCM_IOCTL_APPL_PTR_FD;
+ result = snd_pcm_shm_action_fd0(pcm, &fd);
+ if (result < 0)
+ return result;
+ mmap_size = page_ptr(shm_rbptr->offset, sizeof(snd_pcm_uframes_t), &offset, &mmap_offset);
+ ptr = mmap(NULL, mmap_size, PROT_READ|PROT_WRITE, MAP_FILE|MAP_SHARED, fd, mmap_offset);
+ if (ptr == MAP_FAILED || ptr == NULL) {
+ SYSERR("shm rbptr mmap failed");
+ return -errno;
+ }
+ if (&pcm->hw == rbptr)
+ snd_pcm_set_hw_ptr(pcm, (snd_pcm_uframes_t *)((char *)ptr + offset), fd, shm_rbptr->offset);
+ else
+ snd_pcm_set_appl_ptr(pcm, (snd_pcm_uframes_t *)((char *)ptr + offset), fd, shm_rbptr->offset);
+ }
+ return 0;
+}
+
+static long snd_pcm_shm_action(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ int err, result;
+ char buf[1];
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+
+ if (ctrl->hw.changed || ctrl->appl.changed)
+ return -EBADFD;
+ err = write(shm->socket, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ err = read(shm->socket, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ if (ctrl->cmd) {
+ SNDERR("Server has not done the cmd");
+ return -EBADFD;
+ }
+ result = ctrl->result;
+ if (ctrl->hw.changed) {
+ err = snd_pcm_shm_new_rbptr(pcm, shm, &pcm->hw, &ctrl->hw);
+ if (err < 0)
+ return err;
+ ctrl->hw.changed = 0;
+ }
+ if (ctrl->appl.changed) {
+ err = snd_pcm_shm_new_rbptr(pcm, shm, &pcm->appl, &ctrl->appl);
+ if (err < 0)
+ return err;
+ ctrl->appl.changed = 0;
+ }
+ return result;
+}
+
+static long snd_pcm_shm_action_fd(snd_pcm_t *pcm, int *fd)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ int err;
+ char buf[1];
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+
+ if (ctrl->hw.changed || ctrl->appl.changed)
+ return -EBADFD;
+ err = write(shm->socket, buf, 1);
+ if (err != 1)
+ return -EBADFD;
+ err = snd_receive_fd(shm->socket, buf, 1, fd);
+ if (err != 1)
+ return -EBADFD;
+ if (ctrl->cmd) {
+ SNDERR("Server has not done the cmd");
+ return -EBADFD;
+ }
+ if (ctrl->hw.changed) {
+ err = snd_pcm_shm_new_rbptr(pcm, shm, &pcm->hw, &ctrl->hw);
+ if (err < 0)
+ return err;
+ ctrl->hw.changed = 0;
+ }
+ if (ctrl->appl.changed) {
+ err = snd_pcm_shm_new_rbptr(pcm, shm, &pcm->appl, &ctrl->appl);
+ if (err < 0)
+ return err;
+ ctrl->appl.changed = 0;
+ }
+ return ctrl->result;
+}
+
+static int snd_pcm_shm_nonblock(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int nonblock ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_shm_async(snd_pcm_t *pcm, int sig, pid_t pid)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SND_PCM_IOCTL_ASYNC;
+ ctrl->u.async.sig = sig;
+ ctrl->u.async.pid = pid;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_info(snd_pcm_t *pcm, snd_pcm_info_t * info)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+// ctrl->u.info = *info;
+ ctrl->cmd = SNDRV_PCM_IOCTL_INFO;
+ err = snd_pcm_shm_action(pcm);
+ if (err < 0)
+ return err;
+ *info = ctrl->u.info;
+ return err;
+}
+
+static int snd_pcm_shm_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_shm_hw_refine_sprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ return 0;
+}
+
+static int snd_pcm_shm_hw_refine_schange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = ~SND_PCM_HW_PARBIT_ACCESS;
+ const snd_pcm_access_mask_t *access_mask = snd_pcm_hw_param_get_mask(params, SND_PCM_HW_PARAM_ACCESS);
+ if (!snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_RW_INTERLEAVED) &&
+ !snd_pcm_access_mask_test(access_mask, SND_PCM_ACCESS_RW_NONINTERLEAVED)) {
+ err = _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ access_mask);
+ if (err < 0)
+ return err;
+ }
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_shm_hw_refine_cchange(snd_pcm_t *pcm ATTRIBUTE_UNUSED, snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ int err;
+ unsigned int links = ~SND_PCM_HW_PARBIT_ACCESS;
+ snd_pcm_access_mask_t access_mask;
+ snd_mask_copy(&access_mask, snd_pcm_hw_param_get_mask(sparams, SND_PCM_HW_PARAM_ACCESS));
+ snd_pcm_access_mask_set(&access_mask, SND_PCM_ACCESS_RW_INTERLEAVED);
+ snd_pcm_access_mask_set(&access_mask, SND_PCM_ACCESS_RW_NONINTERLEAVED);
+ err = _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int snd_pcm_shm_hw_refine_slave(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->u.hw_refine = *params;
+ ctrl->cmd = SNDRV_PCM_IOCTL_HW_REFINE;
+ err = snd_pcm_shm_action(pcm);
+ *params = ctrl->u.hw_refine;
+ return err;
+}
+
+static int snd_pcm_shm_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_shm_hw_refine_cprepare,
+ snd_pcm_shm_hw_refine_cchange,
+ snd_pcm_shm_hw_refine_sprepare,
+ snd_pcm_shm_hw_refine_schange,
+ snd_pcm_shm_hw_refine_slave);
+}
+
+static int snd_pcm_shm_hw_params_slave(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ params->flags |= SND_PCM_HW_PARAMS_EXPORT_BUFFER;
+ ctrl->cmd = SNDRV_PCM_IOCTL_HW_PARAMS;
+ ctrl->u.hw_params = *params;
+ err = snd_pcm_shm_action(pcm);
+ *params = ctrl->u.hw_params;
+ return err;
+}
+
+static int snd_pcm_shm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ return snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_shm_hw_refine_cchange,
+ snd_pcm_shm_hw_refine_sprepare,
+ snd_pcm_shm_hw_refine_schange,
+ snd_pcm_shm_hw_params_slave);
+}
+
+static int snd_pcm_shm_hw_free(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_HW_FREE;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t * params)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->cmd = SNDRV_PCM_IOCTL_SW_PARAMS;
+ ctrl->u.sw_params = *params;
+ err = snd_pcm_shm_action(pcm);
+ *params = ctrl->u.sw_params;
+ if (err < 0)
+ return err;
+ return err;
+}
+
+static int snd_pcm_shm_mmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+static int snd_pcm_shm_munmap(snd_pcm_t *pcm)
+{
+ unsigned int c;
+ for (c = 0; c < pcm->channels; ++c) {
+ snd_pcm_channel_info_t *i = &pcm->mmap_channels[c];
+ unsigned int c1;
+ int err;
+ if (i->type != SND_PCM_AREA_MMAP)
+ continue;
+ if (i->u.mmap.fd < 0)
+ continue;
+ for (c1 = c + 1; c1 < pcm->channels; ++c1) {
+ snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
+ if (i1->type != SND_PCM_AREA_MMAP)
+ continue;
+ if (i1->u.mmap.fd != i->u.mmap.fd)
+ continue;
+ i1->u.mmap.fd = -1;
+ }
+ err = close(i->u.mmap.fd);
+ if (err < 0) {
+ SYSERR("close failed");
+ return -errno;
+ }
+ }
+ return 0;
+}
+
+static int snd_pcm_shm_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ int fd;
+ ctrl->cmd = SNDRV_PCM_IOCTL_CHANNEL_INFO;
+ ctrl->u.channel_info = *info;
+ err = snd_pcm_shm_action_fd(pcm, &fd);
+ if (err < 0)
+ return err;
+ *info = ctrl->u.channel_info;
+ info->addr = 0;
+ switch (info->type) {
+ case SND_PCM_AREA_MMAP:
+ info->u.mmap.fd = fd;
+ break;
+ case SND_PCM_AREA_SHM:
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ return err;
+}
+
+static int snd_pcm_shm_status(snd_pcm_t *pcm, snd_pcm_status_t * status)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->cmd = SNDRV_PCM_IOCTL_STATUS;
+ // ctrl->u.status = *status;
+ err = snd_pcm_shm_action(pcm);
+ if (err < 0)
+ return err;
+ *status = ctrl->u.status;
+ return err;
+}
+
+static snd_pcm_state_t snd_pcm_shm_state(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SND_PCM_IOCTL_STATE;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_hwsync(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SND_PCM_IOCTL_HWSYNC;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->cmd = SNDRV_PCM_IOCTL_DELAY;
+ err = snd_pcm_shm_action(pcm);
+ if (err < 0)
+ return err;
+ *delayp = ctrl->u.delay.frames;
+ return err;
+}
+
+static snd_pcm_sframes_t snd_pcm_shm_avail_update(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ ctrl->cmd = SND_PCM_IOCTL_AVAIL_UPDATE;
+ err = snd_pcm_shm_action(pcm);
+ if (err < 0)
+ return err;
+ return err;
+}
+
+static int snd_pcm_shm_htimestamp(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t *avail ATTRIBUTE_UNUSED,
+ snd_htimestamp_t *tstamp ATTRIBUTE_UNUSED)
+{
+ return -EIO; /* not implemented yet */
+}
+
+static int snd_pcm_shm_prepare(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_PREPARE;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_reset(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_RESET;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_start(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_START;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_drop(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_DROP;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_drain(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int err;
+ do {
+ ctrl->cmd = SNDRV_PCM_IOCTL_DRAIN;
+ err = snd_pcm_shm_action(pcm);
+ if (err != -EAGAIN)
+ break;
+ usleep(10000);
+ } while (1);
+ if (err < 0)
+ return err;
+ if (!(pcm->mode & SND_PCM_NONBLOCK))
+ snd_pcm_wait(pcm, -1);
+ return err;
+}
+
+static int snd_pcm_shm_pause(snd_pcm_t *pcm, int enable)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_PAUSE;
+ ctrl->u.pause.enable = enable;
+ return snd_pcm_shm_action(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_shm_rewindable(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0; /* FIX ME */
+}
+
+static snd_pcm_sframes_t snd_pcm_shm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_REWIND;
+ ctrl->u.rewind.frames = frames;
+ return snd_pcm_shm_action(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_shm_forwardable(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
+{
+ return 0; /* FIX ME */
+}
+
+static snd_pcm_sframes_t snd_pcm_shm_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SND_PCM_IOCTL_FORWARD;
+ ctrl->u.forward.frames = frames;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_resume(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SNDRV_PCM_IOCTL_RESUME;
+ return snd_pcm_shm_action(pcm);
+}
+
+static snd_pcm_sframes_t snd_pcm_shm_mmap_commit(snd_pcm_t *pcm,
+ snd_pcm_uframes_t offset ATTRIBUTE_UNUSED,
+ snd_pcm_uframes_t size)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ ctrl->cmd = SND_PCM_IOCTL_MMAP_COMMIT;
+ ctrl->u.mmap_commit.offset = offset;
+ ctrl->u.mmap_commit.frames = size;
+ return snd_pcm_shm_action(pcm);
+}
+
+static int snd_pcm_shm_poll_descriptor(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int fd, err;
+ ctrl->cmd = SND_PCM_IOCTL_POLL_DESCRIPTOR;
+ err = snd_pcm_shm_action_fd(pcm, &fd);
+ if (err < 0)
+ return err;
+ return fd;
+}
+
+static int snd_pcm_shm_close(snd_pcm_t *pcm)
+{
+ snd_pcm_shm_t *shm = pcm->private_data;
+ volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
+ int result;
+ ctrl->cmd = SND_PCM_IOCTL_CLOSE;
+ result = snd_pcm_shm_action(pcm);
+ shmdt((void *)ctrl);
+ close(shm->socket);
+ close(pcm->poll_fd);
+ free(shm);
+ return result;
+}
+
+static void snd_pcm_shm_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_output_printf(out, "Shm PCM\n");
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+}
+
+static const snd_pcm_ops_t snd_pcm_shm_ops = {
+ .close = snd_pcm_shm_close,
+ .info = snd_pcm_shm_info,
+ .hw_refine = snd_pcm_shm_hw_refine,
+ .hw_params = snd_pcm_shm_hw_params,
+ .hw_free = snd_pcm_shm_hw_free,
+ .sw_params = snd_pcm_shm_sw_params,
+ .channel_info = snd_pcm_shm_channel_info,
+ .dump = snd_pcm_shm_dump,
+ .nonblock = snd_pcm_shm_nonblock,
+ .async = snd_pcm_shm_async,
+ .mmap = snd_pcm_shm_mmap,
+ .munmap = snd_pcm_shm_munmap,
+};
+
+static const snd_pcm_fast_ops_t snd_pcm_shm_fast_ops = {
+ .status = snd_pcm_shm_status,
+ .state = snd_pcm_shm_state,
+ .hwsync = snd_pcm_shm_hwsync,
+ .delay = snd_pcm_shm_delay,
+ .prepare = snd_pcm_shm_prepare,
+ .reset = snd_pcm_shm_reset,
+ .start = snd_pcm_shm_start,
+ .drop = snd_pcm_shm_drop,
+ .drain = snd_pcm_shm_drain,
+ .pause = snd_pcm_shm_pause,
+ .rewindable = snd_pcm_shm_rewindable,
+ .rewind = snd_pcm_shm_rewind,
+ .forwardable = snd_pcm_shm_forwardable,
+ .forward = snd_pcm_shm_forward,
+ .resume = snd_pcm_shm_resume,
+ .writei = snd_pcm_mmap_writei,
+ .writen = snd_pcm_mmap_writen,
+ .readi = snd_pcm_mmap_readi,
+ .readn = snd_pcm_mmap_readn,
+ .avail_update = snd_pcm_shm_avail_update,
+ .mmap_commit = snd_pcm_shm_mmap_commit,
+ .htimestamp = snd_pcm_shm_htimestamp,
+};
+
+static int make_local_socket(const char *filename)
+{
+ size_t l = strlen(filename);
+ size_t size = offsetof(struct sockaddr_un, sun_path) + l;
+ struct sockaddr_un *addr = alloca(size);
+ int sock;
+
+ sock = socket(PF_LOCAL, SOCK_STREAM, 0);
+ if (sock < 0) {
+ SYSERR("socket failed");
+ return -errno;
+ }
+
+ addr->sun_family = AF_LOCAL;
+ memcpy(addr->sun_path, filename, l);
+
+ if (connect(sock, (struct sockaddr *) addr, size) < 0) {
+ SYSERR("connect failed");
+ return -errno;
+ }
+ return sock;
+}
+
+/**
+ * \brief Creates a new shared memory PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sockname Unix socket name
+ * \param sname Server name
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_shm_open(snd_pcm_t **pcmp, const char *name,
+ const char *sockname, const char *sname,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_shm_t *shm = NULL;
+ snd_client_open_request_t *req;
+ snd_client_open_answer_t ans;
+ size_t snamelen, reqlen;
+ int err;
+ int result;
+ snd_pcm_shm_ctrl_t *ctrl = NULL;
+ int sock = -1;
+ snamelen = strlen(sname);
+ if (snamelen > 255)
+ return -EINVAL;
+
+ result = make_local_socket(sockname);
+ if (result < 0) {
+ SNDERR("server for socket %s is not running", sockname);
+ goto _err;
+ }
+ sock = result;
+
+ reqlen = sizeof(*req) + snamelen;
+ req = alloca(reqlen);
+ memcpy(req->name, sname, snamelen);
+ req->dev_type = SND_DEV_TYPE_PCM;
+ req->transport_type = SND_TRANSPORT_TYPE_SHM;
+ req->stream = stream;
+ req->mode = mode;
+ req->namelen = snamelen;
+ err = write(sock, req, reqlen);
+ if (err < 0) {
+ SYSERR("write error");
+ result = -errno;
+ goto _err;
+ }
+ if ((size_t) err != reqlen) {
+ SNDERR("write size error");
+ result = -EINVAL;
+ goto _err;
+ }
+ err = read(sock, &ans, sizeof(ans));
+ if (err < 0) {
+ SYSERR("read error");
+ result = -errno;
+ goto _err;
+ }
+ if (err != sizeof(ans)) {
+ SNDERR("read size error");
+ result = -EINVAL;
+ goto _err;
+ }
+ result = ans.result;
+ if (result < 0)
+ goto _err;
+
+ ctrl = shmat(ans.cookie, 0, 0);
+ if (!ctrl) {
+ SYSERR("shmat error");
+ result = -errno;
+ goto _err;
+ }
+
+ shm = calloc(1, sizeof(snd_pcm_shm_t));
+ if (!shm) {
+ result = -ENOMEM;
+ goto _err;
+ }
+
+ shm->socket = sock;
+ shm->ctrl = ctrl;
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_SHM, name, stream, mode);
+ if (err < 0) {
+ result = err;
+ goto _err;
+ }
+ pcm->mmap_rw = 1;
+ pcm->ops = &snd_pcm_shm_ops;
+ pcm->fast_ops = &snd_pcm_shm_fast_ops;
+ pcm->private_data = shm;
+ err = snd_pcm_shm_poll_descriptor(pcm);
+ if (err < 0) {
+ snd_pcm_close(pcm);
+ return err;
+ }
+ pcm->poll_fd = err;
+ pcm->poll_events = stream == SND_PCM_STREAM_PLAYBACK ? POLLOUT : POLLIN;
+ snd_pcm_set_hw_ptr(pcm, &ctrl->hw.ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &ctrl->appl.ptr, -1, 0);
+ *pcmp = pcm;
+ return 0;
+
+ _err:
+ close(sock);
+ if (ctrl)
+ shmdt(ctrl);
+ free(shm);
+ return result;
+}
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_shm Plugin: shm
+
+This plugin communicates with aserver via shared memory. It is a raw
+communication without any conversions, but it can be expected worse
+performance.
+
+\code
+pcm.name {
+ type shm # Shared memory PCM
+ server STR # Server name
+ pcm STR # PCM name
+}
+\endcode
+
+\subsection pcm_plugins_shm_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_shm_open()
+ <LI>_snd_pcm_shm_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new shm PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with hw PCM description
+ * \param stream PCM Stream
+ * \param mode PCM Mode
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_shm_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ const char *server = NULL;
+ const char *pcm_name = NULL;
+ snd_config_t *sconfig;
+ const char *sockname = NULL;
+ long port = -1;
+ int err;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "server") == 0) {
+ err = snd_config_get_string(n, &server);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "pcm") == 0) {
+ err = snd_config_get_string(n, &pcm_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!pcm_name) {
+ SNDERR("pcm is not defined");
+ return -EINVAL;
+ }
+ if (!server) {
+ SNDERR("server is not defined");
+ return -EINVAL;
+ }
+ err = snd_config_search_definition(root, "server", server, &sconfig);
+ if (err < 0) {
+ SNDERR("Unknown server %s", server);
+ return -EINVAL;
+ }
+ if (snd_config_get_type(sconfig) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for server %s definition", server);
+ goto _err;
+ }
+ snd_config_for_each(i, next, sconfig) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "host") == 0)
+ continue;
+ if (strcmp(id, "socket") == 0) {
+ err = snd_config_get_string(n, &sockname);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "port") == 0) {
+ err = snd_config_get_integer(n, &port);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ _err:
+ err = -EINVAL;
+ goto __error;
+ }
+
+ if (!sockname) {
+ SNDERR("socket is not defined");
+ goto _err;
+ }
+ err = snd_pcm_shm_open(pcmp, name, sockname, pcm_name, stream, mode);
+ __error:
+ snd_config_delete(sconfig);
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_shm_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_simple.c b/src/pcm/pcm_simple.c
new file mode 100644
index 0000000..f943ec0
--- /dev/null
+++ b/src/pcm/pcm_simple.c
@@ -0,0 +1,305 @@
+/**
+ * \file pcm/pcm_simple.c
+ * \ingroup PCM_Simple
+ * \brief PCM Simple Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2004
+ */
+/*
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "pcm_local.h"
+
+static int set_buffer_time(snd_spcm_latency_t latency,
+ unsigned int *buffer_time)
+{
+ switch (latency) {
+ case SND_SPCM_LATENCY_STANDARD:
+ *buffer_time = 350000;
+ break;
+ case SND_SPCM_LATENCY_MEDIUM:
+ *buffer_time = 25000;
+ break;
+ case SND_SPCM_LATENCY_REALTIME:
+ *buffer_time = 2500;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int set_hw_params(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *hw_params,
+ unsigned int *rate,
+ unsigned int channels,
+ snd_pcm_format_t format,
+ snd_pcm_subformat_t subformat,
+ unsigned int *buffer_time,
+ unsigned int *period_time,
+ snd_pcm_access_t access)
+{
+ int err;
+
+ /*
+ * hardware parameters
+ */
+ err = snd_pcm_hw_params_any(pcm, hw_params);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_params_set_access(pcm, hw_params, access);
+ if (err < 0)
+ return err;
+ err = snd_pcm_hw_params_set_format(pcm, hw_params, format);
+ if (err < 0)
+ return err;
+ if (subformat != SND_PCM_SUBFORMAT_STD) {
+ err = snd_pcm_hw_params_set_subformat(pcm, hw_params, subformat);
+ if (err < 0)
+ return err;
+ }
+ err = snd_pcm_hw_params_set_channels(pcm, hw_params, channels);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_set_rate_near)(pcm, hw_params, rate, 0);
+ if (err < 0)
+ return err;
+ err = INTERNAL(snd_pcm_hw_params_set_buffer_time_near)(pcm, hw_params, buffer_time, NULL);
+ if (err < 0)
+ return err;
+ if (period_time == NULL || *period_time == 0) {
+ unsigned int periods = 3;
+ err = INTERNAL(snd_pcm_hw_params_set_periods_near)(pcm, hw_params, &periods, NULL);
+ if (err < 0)
+ return err;
+ if (periods == 1)
+ return -EINVAL;
+ if (period_time) {
+ err = INTERNAL(snd_pcm_hw_params_get_period_time)(hw_params, period_time, NULL);
+ if (err < 0)
+ return err;
+ }
+ } else {
+ err = snd_pcm_hw_params_set_period_time(pcm, hw_params, *period_time, 0);
+ if (err < 0)
+ return err;
+ if (*buffer_time == *period_time)
+ return -EINVAL;
+ }
+ err = snd_pcm_hw_params(pcm, hw_params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static int set_sw_params(snd_pcm_t *pcm,
+ snd_pcm_sw_params_t *sw_params,
+ snd_spcm_xrun_type_t xrun_type)
+{
+ int err;
+
+ err = snd_pcm_sw_params_current(pcm, sw_params);
+ if (err < 0)
+ return err;
+ err = snd_pcm_sw_params_set_start_threshold(pcm, sw_params, (pcm->buffer_size / pcm->period_size) * pcm->period_size);
+ if (err < 0)
+ return err;
+ err = snd_pcm_sw_params_set_avail_min(pcm, sw_params, pcm->period_size);
+ if (err < 0)
+ return err;
+ switch (xrun_type) {
+ case SND_SPCM_XRUN_STOP:
+ err = snd_pcm_sw_params_set_stop_threshold(pcm, sw_params, pcm->buffer_size);
+ break;
+ case SND_SPCM_XRUN_IGNORE:
+ err = snd_pcm_sw_params_set_stop_threshold(pcm, sw_params, pcm->boundary);
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (err < 0)
+ return err;
+ err = snd_pcm_sw_params(pcm, sw_params);
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+/**
+ * \brief Set up a simple PCM
+ * \param pcm PCM handle
+ * \param rate Sample rate
+ * \param channels Number of channels
+ * \param format PCM format
+ * \param subformat PCM subformat
+ * \param latency Latency type
+ * \param access PCM acceess type
+ * \param xrun_type XRUN type
+ * \return 0 if successful, or a negative error code
+ *
+ * \warning The simple PCM API may be broken in the current release.
+ */
+int snd_spcm_init(snd_pcm_t *pcm,
+ unsigned int rate,
+ unsigned int channels,
+ snd_pcm_format_t format,
+ snd_pcm_subformat_t subformat,
+ snd_spcm_latency_t latency,
+ snd_pcm_access_t access,
+ snd_spcm_xrun_type_t xrun_type)
+{
+ int err;
+ snd_pcm_hw_params_t *hw_params;
+ snd_pcm_sw_params_t *sw_params;
+ unsigned int rrate;
+ unsigned int buffer_time;
+
+ snd_pcm_hw_params_alloca(&hw_params);
+ snd_pcm_sw_params_alloca(&sw_params);
+
+ assert(pcm);
+ assert(rate > 5000 && rate < 192000);
+ assert(channels > 1 && channels < 512);
+
+ rrate = rate;
+ err = set_buffer_time(latency, &buffer_time);
+ if (err < 0)
+ return err;
+ err = set_hw_params(pcm, hw_params,
+ &rrate, channels, format, subformat,
+ &buffer_time, NULL, access);
+ if (err < 0)
+ return err;
+
+ err = set_sw_params(pcm, sw_params, xrun_type);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+/**
+ * \brief Initialize simple PCMs in the duplex mode
+ * \param playback_pcm PCM handle for playback
+ * \param capture_pcm PCM handle for capture
+ * \param rate Sample rate
+ * \param channels Number of channels
+ * \param format PCM format
+ * \param subformat PCM subformat
+ * \param latency Latency type
+ * \param access PCM acceess type
+ * \param xrun_type XRUN type
+ * \param duplex_type Duplex mode
+ * \return 0 if successful, or a negative error code
+ *
+ * \warning The simple PCM API may be broken in the current release.
+ */
+int snd_spcm_init_duplex(snd_pcm_t *playback_pcm,
+ snd_pcm_t *capture_pcm,
+ unsigned int rate,
+ unsigned int channels,
+ snd_pcm_format_t format,
+ snd_pcm_subformat_t subformat,
+ snd_spcm_latency_t latency,
+ snd_pcm_access_t access,
+ snd_spcm_xrun_type_t xrun_type,
+ snd_spcm_duplex_type_t duplex_type)
+{
+ int err, i;
+ snd_pcm_hw_params_t *hw_params;
+ snd_pcm_sw_params_t *sw_params;
+ unsigned int rrate;
+ unsigned int xbuffer_time, buffer_time[2];
+ unsigned int period_time[2];
+ snd_pcm_t *pcms[2];
+
+ snd_pcm_hw_params_alloca(&hw_params);
+ snd_pcm_sw_params_alloca(&sw_params);
+
+ assert(playback_pcm);
+ assert(capture_pcm);
+ assert(rate > 5000 && rate < 192000);
+ assert(channels > 1 && channels < 512);
+
+ pcms[0] = playback_pcm;
+ pcms[1] = capture_pcm;
+
+ /*
+ * hardware parameters
+ */
+ err = set_buffer_time(latency, &xbuffer_time);
+ if (err < 0)
+ return err;
+
+ for (i = 0; i < 2; i++) {
+ buffer_time[i] = xbuffer_time;
+ period_time[i] = i > 0 ? period_time[0] : 0;
+ rrate = rate;
+ err = set_hw_params(pcms[i], hw_params,
+ &rrate, channels, format, subformat,
+ &buffer_time[i], &period_time[i], access);
+ if (err < 0)
+ return err;
+ }
+ if (buffer_time[0] == buffer_time[1] &&
+ period_time[0] == period_time[1])
+ goto __sw_params;
+ if (duplex_type == SND_SPCM_DUPLEX_LIBERAL)
+ goto __sw_params;
+ /* FIXME: */
+ return -EINVAL;
+
+ /*
+ * software parameters
+ */
+ __sw_params:
+ for (i = 0; i < 2; i++) {
+ err = set_sw_params(pcms[i], sw_params, xrun_type);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+/**
+ * \brief Get the set up of simple PCM
+ * \param pcm PCM handle
+ * \param rate Pointer to store the current sample rate
+ * \param buffer_size Pointer to store the current buffer size
+ * \param period_size Pointer to store the current period size
+ * \return 0 if successful, or a negative error code
+ *
+ * \warning The simple PCM API may be broken in the current release.
+ */
+int snd_spcm_init_get_params(snd_pcm_t *pcm,
+ unsigned int *rate,
+ snd_pcm_uframes_t *buffer_size,
+ snd_pcm_uframes_t *period_size)
+{
+ assert(pcm);
+ if (!pcm->setup)
+ return -EBADFD;
+ if (rate)
+ *rate = pcm->rate;
+ if (buffer_size)
+ *buffer_size = pcm->buffer_size;
+ if (period_size)
+ *period_size = pcm->period_size;
+ return 0;
+}
diff --git a/src/pcm/pcm_softvol.c b/src/pcm/pcm_softvol.c
new file mode 100644
index 0000000..759e716
--- /dev/null
+++ b/src/pcm/pcm_softvol.c
@@ -0,0 +1,1176 @@
+/**
+ * \file pcm/pcm_softvol.c
+ * \ingroup PCM_Plugins
+ * \brief PCM Soft Volume Plugin Interface
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2004
+ */
+/*
+ * PCM - Soft Volume Plugin
+ * Copyright (c) 2004 by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <byteswap.h>
+#include <math.h>
+#include "pcm_local.h"
+#include "pcm_plugin.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_pcm_softvol = "";
+#endif
+
+#ifndef DOC_HIDDEN
+
+typedef struct {
+ /* This field need to be the first */
+ snd_pcm_plugin_t plug;
+ snd_pcm_format_t sformat;
+ unsigned int cchannels;
+ snd_ctl_t *ctl;
+ snd_ctl_elem_value_t elem;
+ unsigned int cur_vol[2];
+ unsigned int max_val; /* max index */
+ unsigned int zero_dB_val; /* index at 0 dB */
+ double min_dB;
+ double max_dB;
+ unsigned int *dB_value;
+ unsigned int *last_vol_scale;
+} snd_pcm_softvol_t;
+
+#define VOL_SCALE_SHIFT 16
+#define VOL_SCALE_MASK ((1 << VOL_SCALE_SHIFT) - 1)
+
+#define PRESET_RESOLUTION 256
+#define PRESET_MIN_DB -51.0
+#define ZERO_DB 0.0
+#define MAX_DB_UPPER_LIMIT 50
+// TODO(bshaya): calcualte this based on sample rate.
+#define MAX_VOL_SLEW_RATE 70 // 0-100 in 20ms @ 48khz, 10ms @ 96khz, 60ms @ 16khz
+
+/* This table precomputes a perceptually linear mapping from linear volume
+ * level to appropriate PCM sample scaling factor:
+ * [1] x => int(10^(0.5 * log_2(x/255.0)) * 65535.0)
+ * This table used to precompute
+ * [2] x => 10^(x / 20)
+ * which correctly maps relative dB values to PCM sample scalings. However,
+ * since input volume levels come in as proportions (percentage / 100), this
+ * resulted in an unintentional exponential volume mapping that made a
+ * significant portion of the volume range unusable (0-0.5 was too quiet,
+ * 0.8-1.0 got too loud).
+ * Note that an increase of 10dB is approximately a doubling in loudness, so
+ * [3] x => 10 * log2(x)
+ * is the mapping from loudness proportion to relative dB. The perceptually
+ * linear mapping [1] is obtained by composing [2] with [3] and normalizing
+ * input and output (inputs are integers from 0 to 255 inclusive, outputs are
+ * integers from 0 to 65535 inclusive).
+ */
+static const unsigned int preset_dB_value[PRESET_RESOLUTION] = {
+ 0x0000, 0x0006, 0x0014, 0x0028, 0x0041, 0x005f, 0x0081, 0x00a7,
+ 0x00d0, 0x00fd, 0x012e, 0x0162, 0x0199, 0x01d3, 0x0210, 0x0250,
+ 0x0293, 0x02d9, 0x0322, 0x036d, 0x03bb, 0x040c, 0x045f, 0x04b5,
+ 0x050d, 0x0568, 0x05c5, 0x0625, 0x0686, 0x06eb, 0x0751, 0x07ba,
+ 0x0825, 0x0893, 0x0902, 0x0974, 0x09e8, 0x0a5e, 0x0ad6, 0x0b51,
+ 0x0bcd, 0x0c4c, 0x0ccc, 0x0d4f, 0x0dd4, 0x0e5a, 0x0ee3, 0x0f6d,
+ 0x0ffa, 0x1089, 0x1119, 0x11ab, 0x1240, 0x12d6, 0x136e, 0x1408,
+ 0x14a4, 0x1541, 0x15e1, 0x1682, 0x1725, 0x17ca, 0x1871, 0x1919,
+ 0x19c4, 0x1a70, 0x1b1e, 0x1bcd, 0x1c7f, 0x1d32, 0x1de6, 0x1e9d,
+ 0x1f55, 0x200f, 0x20cb, 0x2188, 0x2247, 0x2307, 0x23ca, 0x248e,
+ 0x2553, 0x261a, 0x26e3, 0x27ae, 0x287a, 0x2947, 0x2a17, 0x2ae8,
+ 0x2bba, 0x2c8e, 0x2d64, 0x2e3b, 0x2f14, 0x2fee, 0x30ca, 0x31a8,
+ 0x3287, 0x3367, 0x344a, 0x352d, 0x3612, 0x36f9, 0x37e1, 0x38cb,
+ 0x39b6, 0x3aa3, 0x3b91, 0x3c81, 0x3d72, 0x3e65, 0x3f59, 0x404e,
+ 0x4145, 0x423e, 0x4338, 0x4433, 0x4530, 0x462f, 0x472e, 0x4830,
+ 0x4932, 0x4a36, 0x4b3c, 0x4c43, 0x4d4b, 0x4e55, 0x4f60, 0x506d,
+ 0x517b, 0x528a, 0x539b, 0x54ad, 0x55c0, 0x56d5, 0x57ec, 0x5903,
+ 0x5a1c, 0x5b37, 0x5c53, 0x5d70, 0x5e8e, 0x5fae, 0x60cf, 0x61f2,
+ 0x6316, 0x643b, 0x6562, 0x668a, 0x67b3, 0x68de, 0x6a0a, 0x6b37,
+ 0x6c65, 0x6d95, 0x6ec6, 0x6ff9, 0x712d, 0x7262, 0x7398, 0x74d0,
+ 0x7609, 0x7743, 0x787f, 0x79bc, 0x7afa, 0x7c3a, 0x7d7b, 0x7ebd,
+ 0x8000, 0x8145, 0x828a, 0x83d2, 0x851a, 0x8664, 0x87af, 0x88fb,
+ 0x8a48, 0x8b97, 0x8ce7, 0x8e38, 0x8f8b, 0x90de, 0x9233, 0x9389,
+ 0x94e1, 0x963a, 0x9793, 0x98ef, 0x9a4b, 0x9ba9, 0x9d07, 0x9e67,
+ 0x9fc9, 0xa12b, 0xa28f, 0xa3f4, 0xa55a, 0xa6c1, 0xa82a, 0xa993,
+ 0xaafe, 0xac6a, 0xadd8, 0xaf46, 0xb0b6, 0xb227, 0xb399, 0xb50c,
+ 0xb681, 0xb7f7, 0xb96e, 0xbae6, 0xbc5f, 0xbdd9, 0xbf55, 0xc0d2,
+ 0xc24f, 0xc3cf, 0xc54f, 0xc6d0, 0xc853, 0xc9d7, 0xcb5c, 0xcce2,
+ 0xce69, 0xcff1, 0xd17b, 0xd306, 0xd491, 0xd61e, 0xd7ad, 0xd93c,
+ 0xdacc, 0xdc5e, 0xddf1, 0xdf84, 0xe119, 0xe2b0, 0xe447, 0xe5df,
+ 0xe779, 0xe913, 0xeaaf, 0xec4c, 0xedea, 0xef89, 0xf12a, 0xf2cb,
+ 0xf46e, 0xf611, 0xf7b6, 0xf95c, 0xfb03, 0xfcab, 0xfe54, 0xffff,
+};
+
+/* (32bit x 16bit) >> 16 */
+typedef union {
+ int i;
+ short s[2];
+} val_t;
+static inline int MULTI_DIV_32x16(int a, unsigned short b)
+{
+ val_t v, x, y;
+ v.i = a;
+ y.i = 0;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ x.i = (unsigned short)v.s[0];
+ x.i *= b;
+ y.s[0] = x.s[1];
+ y.i += (int)v.s[1] * b;
+#else
+ x.i = (unsigned int)v.s[1] * b;
+ y.s[1] = x.s[0];
+ y.i += (int)v.s[0] * b;
+#endif
+ return y.i;
+}
+
+static inline int MULTI_DIV_int(int a, unsigned int b, int swap)
+{
+ unsigned int gain = (b >> VOL_SCALE_SHIFT);
+ int fraction;
+ a = swap ? (int)bswap_32(a) : a;
+ fraction = MULTI_DIV_32x16(a, b & VOL_SCALE_MASK);
+ if (gain) {
+ long long amp = (long long)a * gain + fraction;
+ if (amp > (int)0x7fffffff)
+ amp = (int)0x7fffffff;
+ else if (amp < (int)0x80000000)
+ amp = (int)0x80000000;
+ return swap ? (int)bswap_32((int)amp) : (int)amp;
+ }
+ return swap ? (int)bswap_32(fraction) : fraction;
+}
+
+/* always little endian */
+static inline int MULTI_DIV_24(int a, unsigned int b)
+{
+ unsigned int gain = b >> VOL_SCALE_SHIFT;
+ int fraction;
+ fraction = MULTI_DIV_32x16(a, b & VOL_SCALE_MASK);
+ if (gain) {
+ long long amp = (long long)a * gain + fraction;
+ if (amp > (int)0x7fffff)
+ amp = (int)0x7fffff;
+ else if (amp < (int)0x800000)
+ amp = (int)0x800000;
+ return (int)amp;
+ }
+ return fraction;
+}
+
+static inline short MULTI_DIV_short(short a, unsigned int b, int swap)
+{
+ unsigned int gain = b >> VOL_SCALE_SHIFT;
+ int fraction;
+ a = swap ? (short)bswap_16(a) : a;
+ fraction = (int)(a * (b & VOL_SCALE_MASK)) >> VOL_SCALE_SHIFT;
+ if (gain) {
+ int amp = a * gain + fraction;
+ if (abs(amp) > 0x7fff)
+ amp = (a<0) ? (short)0x8000 : (short)0x7fff;
+ return swap ? (short)bswap_16((short)amp) : (short)amp;
+ }
+ return swap ? (short)bswap_16((short)fraction) : (short)fraction;
+}
+
+#endif /* DOC_HIDDEN */
+
+/*
+ * apply volumue attenuation
+ *
+ * TODO: use SIMD operations
+ */
+
+#ifndef DOC_HIDDEN
+#define CONVERT_AREA(TYPE, swap) do { \
+ unsigned int ch, fr, cur_vol_scale; \
+ TYPE *src, *dst; \
+ for (ch = 0; ch < channels; ch++) { \
+ src_area = &src_areas[ch]; \
+ dst_area = &dst_areas[ch]; \
+ src = snd_pcm_channel_area_addr(src_area, src_offset); \
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset); \
+ src_step = snd_pcm_channel_area_step(src_area) / sizeof(TYPE); \
+ dst_step = snd_pcm_channel_area_step(dst_area) / sizeof(TYPE); \
+ GET_VOL_SCALE; \
+ cur_vol_scale = svol->last_vol_scale[ch]; \
+ fr = frames; \
+ while (cur_vol_scale != vol_scale && fr) { \
+ UPDATE_CUR_VOL_SCALE; \
+ *dst = (TYPE) MULTI_DIV_##TYPE(*src, cur_vol_scale, swap); \
+ src += src_step; \
+ dst += dst_step; \
+ fr--; \
+ } \
+ if (! cur_vol_scale) { \
+ while (fr--) { \
+ *dst = 0; \
+ dst += dst_step; \
+ } \
+ } else if (cur_vol_scale == 0xffff) { \
+ while (fr--) { \
+ *dst = *src; \
+ src += src_step; \
+ dst += dst_step; \
+ } \
+ } else { \
+ while (fr--) { \
+ *dst = (TYPE) MULTI_DIV_##TYPE(*src, cur_vol_scale, swap); \
+ src += src_step; \
+ dst += dst_step; \
+ } \
+ } \
+ svol->last_vol_scale[ch] = cur_vol_scale; \
+ } \
+} while (0)
+
+#define CONVERT_AREA_S24_3LE() do { \
+ unsigned int ch, fr, cur_vol_scale; \
+ unsigned char *src, *dst; \
+ int tmp; \
+ for (ch = 0; ch < channels; ch++) { \
+ src_area = &src_areas[ch]; \
+ dst_area = &dst_areas[ch]; \
+ src = snd_pcm_channel_area_addr(src_area, src_offset); \
+ dst = snd_pcm_channel_area_addr(dst_area, dst_offset); \
+ src_step = snd_pcm_channel_area_step(src_area); \
+ dst_step = snd_pcm_channel_area_step(dst_area); \
+ GET_VOL_SCALE; \
+ cur_vol_scale = svol->last_vol_scale[ch]; \
+ fr = frames; \
+ while (cur_vol_scale != vol_scale && fr) { \
+ UPDATE_CUR_VOL_SCALE; \
+ tmp = src[0] | \
+ (src[1] << 8) | \
+ (((signed char *) src)[2] << 16); \
+ tmp = MULTI_DIV_24(tmp, cur_vol_scale); \
+ dst[0] = tmp; \
+ dst[1] = tmp >> 8; \
+ dst[2] = tmp >> 16; \
+ src += src_step; \
+ dst += dst_step; \
+ fr--; \
+ } \
+ if (! cur_vol_scale) { \
+ while (fr--) { \
+ dst[0] = dst[1] = dst[2] = 0; \
+ dst += dst_step; \
+ } \
+ } else if (cur_vol_scale == 0xffff) { \
+ while (fr--) { \
+ dst[0] = src[0]; \
+ dst[1] = src[1]; \
+ dst[2] = src[2]; \
+ src += src_step; \
+ dst += dst_step; \
+ } \
+ } else { \
+ while (fr--) { \
+ tmp = src[0] | \
+ (src[1] << 8) | \
+ (((signed char *) src)[2] << 16); \
+ tmp = MULTI_DIV_24(tmp, cur_vol_scale); \
+ dst[0] = tmp; \
+ dst[1] = tmp >> 8; \
+ dst[2] = tmp >> 16; \
+ src += src_step; \
+ dst += dst_step; \
+ } \
+ } \
+ svol->last_vol_scale[ch] = cur_vol_scale; \
+ } \
+} while (0)
+
+#define GET_VOL_SCALE \
+ switch (ch) { \
+ case 0: \
+ case 2: \
+ vol_scale = (channels == ch + 1) ? vol_c : vol[0]; \
+ break; \
+ case 4: \
+ case 5: \
+ vol_scale = vol_c; \
+ break; \
+ default: \
+ vol_scale = vol[ch & 1]; \
+ break; \
+ }
+
+#define UPDATE_CUR_VOL_SCALE do { \
+ if (vol_scale > cur_vol_scale) \
+ cur_vol_scale = vol_scale - cur_vol_scale < MAX_VOL_SLEW_RATE ? vol_scale : cur_vol_scale + MAX_VOL_SLEW_RATE; \
+ else if (vol_scale < cur_vol_scale) \
+ cur_vol_scale = cur_vol_scale - vol_scale < MAX_VOL_SLEW_RATE ? vol_scale : cur_vol_scale - MAX_VOL_SLEW_RATE; \
+} while (0)
+
+#endif /* DOC_HIDDEN */
+
+/* 2-channel stereo control */
+static void softvol_convert_stereo_vol(snd_pcm_softvol_t *svol,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels,
+ snd_pcm_uframes_t frames)
+{
+ const snd_pcm_channel_area_t *dst_area, *src_area;
+ unsigned int src_step, dst_step;
+ unsigned int vol_scale, vol[2], vol_c;
+ if (svol->cur_vol[0] == 0 && svol->cur_vol[1] == 0) {
+ snd_pcm_areas_silence(dst_areas, dst_offset, channels, frames,
+ svol->sformat);
+ return;
+ } else if (svol->zero_dB_val && svol->cur_vol[0] == svol->zero_dB_val &&
+ svol->cur_vol[1] == svol->zero_dB_val) {
+ snd_pcm_areas_copy(dst_areas, dst_offset, src_areas, src_offset,
+ channels, frames, svol->sformat);
+ return;
+ }
+
+ if (svol->max_val == 1) {
+ vol[0] = svol->cur_vol[0] ? 0xffff : 0;
+ vol[1] = svol->cur_vol[1] ? 0xffff : 0;
+ vol_c = vol[0] | vol[1];
+ } else {
+ vol[0] = svol->dB_value[svol->cur_vol[0]];
+ vol[1] = svol->dB_value[svol->cur_vol[1]];
+ vol_c = svol->dB_value[(svol->cur_vol[0] + svol->cur_vol[1])
+ / 2];
+ }
+ switch (svol->sformat) {
+ case SND_PCM_FORMAT_S16_LE:
+ case SND_PCM_FORMAT_S16_BE:
+ /* 16bit samples */
+ CONVERT_AREA(short,
+ !snd_pcm_format_cpu_endian(svol->sformat));
+ break;
+ case SND_PCM_FORMAT_S32_LE:
+ case SND_PCM_FORMAT_S32_BE:
+ /* 32bit samples */
+ CONVERT_AREA(int,
+ !snd_pcm_format_cpu_endian(svol->sformat));
+ break;
+ case SND_PCM_FORMAT_S24_3LE:
+ CONVERT_AREA_S24_3LE();
+ break;
+ default:
+ break;
+ }
+}
+
+#undef GET_VOL_SCALE
+#define GET_VOL_SCALE
+
+#undef UPDATE_CUR_VOL_SCALE
+#define UPDATE_CUR_VOL_SCALE
+
+/* mono control */
+static void softvol_convert_mono_vol(snd_pcm_softvol_t *svol,
+ const snd_pcm_channel_area_t *dst_areas,
+ snd_pcm_uframes_t dst_offset,
+ const snd_pcm_channel_area_t *src_areas,
+ snd_pcm_uframes_t src_offset,
+ unsigned int channels,
+ snd_pcm_uframes_t frames)
+{
+ const snd_pcm_channel_area_t *dst_area, *src_area;
+ unsigned int src_step, dst_step;
+ unsigned int vol_scale;
+ if (svol->cur_vol[0] == 0) {
+ snd_pcm_areas_silence(dst_areas, dst_offset, channels, frames,
+ svol->sformat);
+ return;
+ } else if (svol->zero_dB_val && svol->cur_vol[0] == svol->zero_dB_val) {
+ snd_pcm_areas_copy(dst_areas, dst_offset, src_areas, src_offset,
+ channels, frames, svol->sformat);
+ return;
+ }
+
+ if (svol->max_val == 1)
+ vol_scale = svol->cur_vol[0] ? 0xffff : 0;
+ else
+ vol_scale = svol->dB_value[svol->cur_vol[0]];
+ switch (svol->sformat) {
+ case SND_PCM_FORMAT_S16_LE:
+ case SND_PCM_FORMAT_S16_BE:
+ /* 16bit samples */
+ CONVERT_AREA(short,
+ !snd_pcm_format_cpu_endian(svol->sformat));
+ break;
+ case SND_PCM_FORMAT_S32_LE:
+ case SND_PCM_FORMAT_S32_BE:
+ /* 32bit samples */
+ CONVERT_AREA(int,
+ !snd_pcm_format_cpu_endian(svol->sformat));
+ break;
+ case SND_PCM_FORMAT_S24_3LE:
+ CONVERT_AREA_S24_3LE();
+ break;
+ default:
+ break;
+ }
+}
+
+/*
+ * get the current volume value from driver
+ *
+ * TODO: mmap support?
+ */
+static void get_current_volume(snd_pcm_softvol_t *svol)
+{
+ unsigned int val;
+ unsigned int i;
+
+ if (snd_ctl_elem_read(svol->ctl, &svol->elem) < 0)
+ return;
+ for (i = 0; i < svol->cchannels; i++) {
+ val = svol->elem.value.integer.value[i];
+ if (val > svol->max_val)
+ val = svol->max_val;
+ svol->cur_vol[i] = val;
+ }
+}
+
+static void softvol_free(snd_pcm_softvol_t *svol)
+{
+ if (svol->plug.gen.close_slave)
+ snd_pcm_close(svol->plug.gen.slave);
+ if (svol->ctl)
+ snd_ctl_close(svol->ctl);
+ if (svol->dB_value && svol->dB_value != preset_dB_value)
+ free(svol->dB_value);
+ if (svol->last_vol_scale)
+ free(svol->last_vol_scale);
+ free(svol);
+}
+
+static int snd_pcm_softvol_close(snd_pcm_t *pcm)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ softvol_free(svol);
+ return 0;
+}
+
+static int snd_pcm_softvol_hw_refine_cprepare(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params)
+{
+ int err;
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
+ snd_pcm_format_mask_t format_mask = {
+ {
+ (1ULL << SND_PCM_FORMAT_S16_LE) |
+ (1ULL << SND_PCM_FORMAT_S16_BE) |
+ (1ULL << SND_PCM_FORMAT_S32_LE) |
+ (1ULL << SND_PCM_FORMAT_S32_BE),
+ (1ULL << (SND_PCM_FORMAT_S24_3LE - 32))
+ }
+ };
+ if (svol->sformat != SND_PCM_FORMAT_UNKNOWN) {
+ snd_pcm_format_mask_none(&format_mask);
+ snd_pcm_format_mask_set(&format_mask, svol->sformat);
+ }
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
+ &access_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_FORMAT,
+ &format_mask);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_params_set_subformat(params, SND_PCM_SUBFORMAT_STD);
+ if (err < 0)
+ return err;
+ err = _snd_pcm_hw_param_set_min(params, SND_PCM_HW_PARAM_CHANNELS, 1, 0);
+ if (err < 0)
+ return err;
+ params->info &= ~(SND_PCM_INFO_MMAP | SND_PCM_INFO_MMAP_VALID);
+ return 0;
+}
+
+static int snd_pcm_softvol_hw_refine_sprepare(snd_pcm_t *pcm, snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ snd_pcm_access_mask_t saccess_mask = { SND_PCM_ACCBIT_MMAP };
+ _snd_pcm_hw_params_any(sparams);
+ _snd_pcm_hw_param_set_mask(sparams, SND_PCM_HW_PARAM_ACCESS,
+ &saccess_mask);
+ if (svol->sformat != SND_PCM_FORMAT_UNKNOWN) {
+ _snd_pcm_hw_params_set_format(sparams, svol->sformat);
+ _snd_pcm_hw_params_set_subformat(sparams, SND_PCM_SUBFORMAT_STD);
+ }
+ return 0;
+}
+
+/*
+ * refine the access mask
+ */
+static int check_access_mask(snd_pcm_hw_params_t *src,
+ snd_pcm_hw_params_t *dst)
+{
+ const snd_pcm_access_mask_t *mask;
+ snd_pcm_access_mask_t smask;
+
+ mask = snd_pcm_hw_param_get_mask(src, SND_PCM_HW_PARAM_ACCESS);
+ snd_mask_none(&smask);
+ if (snd_pcm_access_mask_test(mask, SND_PCM_ACCESS_RW_INTERLEAVED) ||
+ snd_pcm_access_mask_test(mask, SND_PCM_ACCESS_MMAP_INTERLEAVED)) {
+ snd_pcm_access_mask_set(&smask,
+ SND_PCM_ACCESS_RW_INTERLEAVED);
+ snd_pcm_access_mask_set(&smask,
+ SND_PCM_ACCESS_MMAP_INTERLEAVED);
+ }
+ if (snd_pcm_access_mask_test(mask, SND_PCM_ACCESS_RW_NONINTERLEAVED) ||
+ snd_pcm_access_mask_test(mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED)) {
+ snd_pcm_access_mask_set(&smask,
+ SND_PCM_ACCESS_RW_NONINTERLEAVED);
+ snd_pcm_access_mask_set(&smask,
+ SND_PCM_ACCESS_MMAP_NONINTERLEAVED);
+ }
+ if (snd_pcm_access_mask_test(mask, SND_PCM_ACCESS_MMAP_COMPLEX))
+ snd_pcm_access_mask_set(&smask,
+ SND_PCM_ACCESS_MMAP_COMPLEX);
+
+ return _snd_pcm_hw_param_set_mask(dst, SND_PCM_HW_PARAM_ACCESS, &smask);
+}
+
+static int snd_pcm_softvol_hw_refine_schange(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ if (svol->sformat == SND_PCM_FORMAT_UNKNOWN)
+ links |= (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS);
+ err = _snd_pcm_hw_params_refine(sparams, links, params);
+ if (err < 0)
+ return err;
+
+ err = check_access_mask(params, sparams);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int snd_pcm_softvol_hw_refine_cchange(snd_pcm_t *pcm,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *sparams)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ int err;
+ unsigned int links = (SND_PCM_HW_PARBIT_CHANNELS |
+ SND_PCM_HW_PARBIT_RATE |
+ SND_PCM_HW_PARBIT_PERIODS |
+ SND_PCM_HW_PARBIT_PERIOD_SIZE |
+ SND_PCM_HW_PARBIT_PERIOD_TIME |
+ SND_PCM_HW_PARBIT_BUFFER_SIZE |
+ SND_PCM_HW_PARBIT_BUFFER_TIME |
+ SND_PCM_HW_PARBIT_TICK_TIME);
+ if (svol->sformat == SND_PCM_FORMAT_UNKNOWN)
+ links |= (SND_PCM_HW_PARBIT_FORMAT |
+ SND_PCM_HW_PARBIT_SUBFORMAT |
+ SND_PCM_HW_PARBIT_SAMPLE_BITS);
+ err = _snd_pcm_hw_params_refine(params, links, sparams);
+ if (err < 0)
+ return err;
+
+ err = check_access_mask(sparams, params);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int snd_pcm_softvol_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+{
+ return snd_pcm_hw_refine_slave(pcm, params,
+ snd_pcm_softvol_hw_refine_cprepare,
+ snd_pcm_softvol_hw_refine_cchange,
+ snd_pcm_softvol_hw_refine_sprepare,
+ snd_pcm_softvol_hw_refine_schange,
+ snd_pcm_generic_hw_refine);
+}
+
+static int snd_pcm_softvol_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ snd_pcm_t *slave = svol->plug.gen.slave;
+ int err = snd_pcm_hw_params_slave(pcm, params,
+ snd_pcm_softvol_hw_refine_cchange,
+ snd_pcm_softvol_hw_refine_sprepare,
+ snd_pcm_softvol_hw_refine_schange,
+ snd_pcm_generic_hw_params);
+ if (err < 0)
+ return err;
+ if (slave->format != SND_PCM_FORMAT_S16_LE &&
+ slave->format != SND_PCM_FORMAT_S16_BE &&
+ slave->format != SND_PCM_FORMAT_S24_3LE &&
+ slave->format != SND_PCM_FORMAT_S32_LE &&
+ slave->format != SND_PCM_FORMAT_S32_BE) {
+ SNDERR("softvol supports only S16_LE, S16_BE, S24_3LE, S32_LE "
+ " or S32_BE");
+ return -EINVAL;
+ }
+ svol->sformat = slave->format;
+ return 0;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_softvol_write_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ get_current_volume(svol);
+ if (svol->cchannels == 1)
+ softvol_convert_mono_vol(svol, slave_areas, slave_offset,
+ areas, offset, pcm->channels, size);
+ else
+ softvol_convert_stereo_vol(svol, slave_areas, slave_offset,
+ areas, offset, pcm->channels, size);
+ *slave_sizep = size;
+ return size;
+}
+
+static snd_pcm_uframes_t
+snd_pcm_softvol_read_areas(snd_pcm_t *pcm,
+ const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ snd_pcm_uframes_t size,
+ const snd_pcm_channel_area_t *slave_areas,
+ snd_pcm_uframes_t slave_offset,
+ snd_pcm_uframes_t *slave_sizep)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ if (size > *slave_sizep)
+ size = *slave_sizep;
+ get_current_volume(svol);
+ if (svol->cchannels == 1)
+ softvol_convert_mono_vol(svol, areas, offset, slave_areas,
+ slave_offset, pcm->channels, size);
+ else
+ softvol_convert_stereo_vol(svol, areas, offset, slave_areas,
+ slave_offset, pcm->channels, size);
+ *slave_sizep = size;
+ return size;
+}
+
+static void snd_pcm_softvol_dump(snd_pcm_t *pcm, snd_output_t *out)
+{
+ snd_pcm_softvol_t *svol = pcm->private_data;
+ snd_output_printf(out, "Soft volume PCM\n");
+ snd_output_printf(out, "Control: %s\n", svol->elem.id.name);
+ if (svol->max_val == 1)
+ snd_output_printf(out, "boolean\n");
+ else {
+ snd_output_printf(out, "min_dB: %g\n", svol->min_dB);
+ snd_output_printf(out, "max_dB: %g\n", svol->max_dB);
+ snd_output_printf(out, "resolution: %d\n", svol->max_val + 1);
+ }
+ if (pcm->setup) {
+ snd_output_printf(out, "Its setup is:\n");
+ snd_pcm_dump_setup(pcm, out);
+ }
+ snd_output_printf(out, "Slave: ");
+ snd_pcm_dump(svol->plug.gen.slave, out);
+}
+
+static int add_tlv_info(snd_pcm_softvol_t *svol, snd_ctl_elem_info_t *cinfo)
+{
+ unsigned int tlv[4];
+ /* TODO(jyw): report tlv[0] properly if needed. DB_SCALE is not correct for perceptually linear */
+ tlv[0] = SND_CTL_TLVT_DB_SCALE;
+ tlv[1] = 2 * sizeof(int);
+ tlv[2] = svol->min_dB * 100;
+ tlv[3] = (svol->max_dB - svol->min_dB) * 100 / svol->max_val;
+ return snd_ctl_elem_tlv_write(svol->ctl, &cinfo->id, tlv);
+}
+
+static int add_user_ctl(snd_pcm_softvol_t *svol, snd_ctl_elem_info_t *cinfo, int count)
+{
+ int err;
+ int i;
+ unsigned int def_val;
+
+ if (svol->max_val == 1)
+ err = snd_ctl_elem_add_boolean(svol->ctl, &cinfo->id, count);
+ else
+ err = snd_ctl_elem_add_integer(svol->ctl, &cinfo->id, count,
+ 0, svol->max_val, 0);
+ if (err < 0)
+ return err;
+ if (svol->max_val == 1)
+ def_val = 1;
+ else {
+ add_tlv_info(svol, cinfo);
+ /* set zero dB value as default, or max_val if
+ there is no 0 dB setting */
+ def_val = svol->zero_dB_val ? svol->zero_dB_val : svol->max_val;
+ }
+ for (i = 0; i < count; i++)
+ svol->elem.value.integer.value[i] = def_val;
+ return snd_ctl_elem_write(svol->ctl, &svol->elem);
+}
+
+/*
+ * load and set up user-control
+ * returns 0 if the user-control is found or created,
+ * returns 1 if the control is a hw control,
+ * or a negative error code
+ */
+static int softvol_load_control(snd_pcm_t *pcm, snd_pcm_softvol_t *svol,
+ int ctl_card, snd_ctl_elem_id_t *ctl_id,
+ int cchannels, double min_dB, double max_dB,
+ int resolution)
+{
+ char tmp_name[32];
+ snd_pcm_info_t *info;
+ snd_ctl_elem_info_t *cinfo;
+ int err;
+ unsigned int i;
+
+ if (ctl_card < 0) {
+ snd_pcm_info_alloca(&info);
+ err = snd_pcm_info(pcm, info);
+ if (err < 0)
+ return err;
+ ctl_card = snd_pcm_info_get_card(info);
+ if (ctl_card < 0) {
+ SNDERR("No card defined for softvol control");
+ return -EINVAL;
+ }
+ }
+ sprintf(tmp_name, "hw:%d", ctl_card);
+ err = snd_ctl_open(&svol->ctl, tmp_name, 0);
+ if (err < 0) {
+ SNDERR("Cannot open CTL %s", tmp_name);
+ return err;
+ }
+
+ svol->elem.id = *ctl_id;
+ svol->max_val = resolution - 1;
+ if (min_dB == PRESET_MIN_DB && max_dB == ZERO_DB) {
+ svol->min_dB = -10.0 * log2(svol->max_val);
+ svol->max_dB = 0.0;
+ } else {
+ svol->min_dB = min_dB;
+ svol->max_dB = max_dB;
+ }
+ if (svol->max_val == 1 || svol->max_dB == ZERO_DB)
+ svol->zero_dB_val = svol->max_val;
+ else if (svol->max_dB < 0)
+ svol->zero_dB_val = 0; /* there is no 0 dB setting */
+ else
+ svol->zero_dB_val = (min_dB / (min_dB - max_dB)) * svol->max_val;
+
+ snd_ctl_elem_info_alloca(&cinfo);
+ snd_ctl_elem_info_set_id(cinfo, ctl_id);
+ if ((err = snd_ctl_elem_info(svol->ctl, cinfo)) < 0) {
+ if (err != -ENOENT) {
+ SNDERR("Cannot get info for CTL %s", tmp_name);
+ return err;
+ }
+ err = add_user_ctl(svol, cinfo, cchannels);
+ if (err < 0) {
+ SNDERR("Cannot add a control");
+ return err;
+ }
+ } else {
+ if (! (cinfo->access & SNDRV_CTL_ELEM_ACCESS_USER)) {
+ /* hardware control exists */
+ return 1; /* notify */
+
+ } else if ((cinfo->type != SND_CTL_ELEM_TYPE_INTEGER &&
+ cinfo->type != SND_CTL_ELEM_TYPE_BOOLEAN) ||
+ cinfo->count != (unsigned int)cchannels ||
+ cinfo->value.integer.min != 0 ||
+ cinfo->value.integer.max != resolution - 1) {
+ if ((err = snd_ctl_elem_remove(svol->ctl, &cinfo->id)) < 0) {
+ SNDERR("Control %s mismatch", tmp_name);
+ return err;
+ }
+ snd_ctl_elem_info_set_id(cinfo, ctl_id); /* reset numid */
+ if ((err = add_user_ctl(svol, cinfo, cchannels)) < 0) {
+ SNDERR("Cannot add a control");
+ return err;
+ }
+ } else if (svol->max_val > 1) {
+ /* check TLV availability */
+ unsigned int tlv[4];
+ err = snd_ctl_elem_tlv_read(svol->ctl, &cinfo->id, tlv, sizeof(tlv));
+ if (err < 0)
+ add_tlv_info(svol, cinfo);
+ }
+ }
+
+ if (svol->max_val == 1)
+ return 0;
+
+ /* set up dB table */
+ if (min_dB == PRESET_MIN_DB && max_dB == ZERO_DB && resolution == PRESET_RESOLUTION) {
+ /* Use pregenerated perceptually linear mapping table. */
+ svol->dB_value = (unsigned int*)preset_dB_value;
+ } else {
+#ifndef HAVE_SOFT_FLOAT
+ svol->dB_value = calloc(resolution, sizeof(*(svol->dB_value)));
+ if (! svol->dB_value) {
+ SNDERR("cannot allocate dB table");
+ return -ENOMEM;
+ }
+ if (min_dB == PRESET_MIN_DB && max_dB == ZERO_DB) {
+ /* Only a resolution change; generate perceptually linear mapping. */
+ for (i = 0; i <= svol->max_val; i++) {
+ double v = (pow(((double) i) / svol->max_val, 0.5 * log2(10.0)) *
+ (double)(1 << VOL_SCALE_SHIFT));
+ svol->dB_value[i] = (unsigned int)v;
+ }
+ } else {
+ /* Use a volume mapping that's linear in dB/logarithmic in amplitude. */
+ for (i = 0; i <= svol->max_val; i++) {
+ double db = svol->min_dB + (i * (svol->max_dB - svol->min_dB)) / svol->max_val;
+ double v = (pow(10.0, db / 20.0) * (double)(1 << VOL_SCALE_SHIFT));
+ svol->dB_value[i] = (unsigned int)v;
+ }
+ svol->dB_value[0] = 0;
+ }
+ if (svol->zero_dB_val)
+ svol->dB_value[svol->zero_dB_val] = 65535;
+#else
+ SNDERR("Cannot handle the given dB range and resolution");
+ return -EINVAL;
+#endif
+ }
+ return 0;
+}
+
+static const snd_pcm_ops_t snd_pcm_softvol_ops = {
+ .close = snd_pcm_softvol_close,
+ .info = snd_pcm_generic_info,
+ .hw_refine = snd_pcm_softvol_hw_refine,
+ .hw_params = snd_pcm_softvol_hw_params,
+ .hw_free = snd_pcm_generic_hw_free,
+ .sw_params = snd_pcm_generic_sw_params,
+ .channel_info = snd_pcm_generic_channel_info,
+ .dump = snd_pcm_softvol_dump,
+ .nonblock = snd_pcm_generic_nonblock,
+ .async = snd_pcm_generic_async,
+ .mmap = snd_pcm_generic_mmap,
+ .munmap = snd_pcm_generic_munmap,
+ .query_chmaps = snd_pcm_generic_query_chmaps,
+ .get_chmap = snd_pcm_generic_get_chmap,
+ .set_chmap = snd_pcm_generic_set_chmap,
+};
+
+/**
+ * \brief Creates a new SoftVolume PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param sformat Slave format
+ * \param ctl_card card index of the control
+ * \param ctl_id The control element
+ * \param cchannels PCM channels
+ * \param min_dB minimal dB value
+ * \param max_dB maximal dB value
+ * \param resolution resolution of control
+ * \param slave Slave PCM handle
+ * \param close_slave When set, the slave PCM handle is closed with copy PCM
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int snd_pcm_softvol_open(snd_pcm_t **pcmp, const char *name,
+ snd_pcm_format_t sformat,
+ int ctl_card, snd_ctl_elem_id_t *ctl_id,
+ int cchannels,
+ double min_dB, double max_dB, int resolution,
+ snd_pcm_t *slave, int close_slave)
+{
+ snd_pcm_t *pcm;
+ snd_pcm_softvol_t *svol;
+ int err;
+ assert(pcmp && slave);
+ if (sformat != SND_PCM_FORMAT_UNKNOWN &&
+ sformat != SND_PCM_FORMAT_S16_LE &&
+ sformat != SND_PCM_FORMAT_S16_BE &&
+ sformat != SND_PCM_FORMAT_S24_3LE &&
+ sformat != SND_PCM_FORMAT_S32_LE &&
+ sformat != SND_PCM_FORMAT_S32_BE)
+ return -EINVAL;
+ svol = calloc(1, sizeof(*svol));
+ if (! svol)
+ return -ENOMEM;
+ err = softvol_load_control(slave, svol, ctl_card, ctl_id, cchannels,
+ min_dB, max_dB, resolution);
+ if (err < 0) {
+ softvol_free(svol);
+ return err;
+ }
+ if (err > 0) { /* hardware control - no need for softvol! */
+ softvol_free(svol);
+ *pcmp = slave; /* just pass the slave */
+ if (!slave->name && name)
+ slave->name = strdup(name);
+ return 0;
+ }
+
+ /* do softvol */
+ snd_pcm_plugin_init(&svol->plug);
+ svol->sformat = sformat;
+ svol->cchannels = cchannels;
+ svol->plug.read = snd_pcm_softvol_read_areas;
+ svol->plug.write = snd_pcm_softvol_write_areas;
+ svol->plug.undo_read = snd_pcm_plugin_undo_read_generic;
+ svol->plug.undo_write = snd_pcm_plugin_undo_write_generic;
+ svol->plug.gen.slave = slave;
+ svol->plug.gen.close_slave = close_slave;
+ svol->last_vol_scale = calloc(svol->cchannels,
+ sizeof(*(svol->last_vol_scale)));
+
+ err = snd_pcm_new(&pcm, SND_PCM_TYPE_SOFTVOL, name, slave->stream, slave->mode);
+ if (err < 0) {
+ softvol_free(svol);
+ return err;
+ }
+ pcm->ops = &snd_pcm_softvol_ops;
+ pcm->fast_ops = &snd_pcm_plugin_fast_ops;
+ pcm->private_data = svol;
+ pcm->poll_fd = slave->poll_fd;
+ pcm->poll_events = slave->poll_events;
+ /*
+ * Since the softvol converts on the place, and the format/channels
+ * must be identical between source and destination, we don't need
+ * an extra buffer.
+ */
+ pcm->mmap_shadow = 1;
+ pcm->tstamp_type = slave->tstamp_type;
+ snd_pcm_set_hw_ptr(pcm, &svol->plug.hw_ptr, -1, 0);
+ snd_pcm_set_appl_ptr(pcm, &svol->plug.appl_ptr, -1, 0);
+ *pcmp = pcm;
+
+ return 0;
+}
+
+/* in pcm_misc.c */
+int snd_pcm_parse_control_id(snd_config_t *conf, snd_ctl_elem_id_t *ctl_id, int *cardp,
+ int *cchannelsp, int *hwctlp);
+
+/*! \page pcm_plugins
+
+\section pcm_plugins_softvol Plugin: Soft Volume
+
+This plugin applies the software volume attenuation.
+The format, rate and channels must match for both of source and destination.
+
+When the control is stereo (count=2), the channels are assumed to be either
+mono, 2.0, 2.1, 4.0, 4.1, 5.1 or 7.1.
+
+If the control already exists and it's a system control (i.e. no
+user-defined control), the plugin simply passes its slave without
+any changes.
+
+\code
+pcm.name {
+ type softvol # Soft Volume conversion PCM
+ slave STR # Slave name
+ # or
+ slave { # Slave definition
+ pcm STR # Slave PCM name
+ # or
+ pcm { } # Slave PCM definition
+ [format STR] # Slave format
+ }
+ control {
+ name STR # control element id string
+ [card STR] # control card index
+ [iface STR] # interface of the element
+ [index INT] # index of the element
+ [device INT] # device number of the element
+ [subdevice INT] # subdevice number of the element
+ [count INT] # control channels 1 or 2 (default: 2)
+ }
+ [min_dB REAL] # minimal dB value (default: -51.0)
+ [max_dB REAL] # maximal dB value (default: 0.0)
+ [resolution INT] # resolution (default: 256)
+ # resolution = 2 means a mute switch
+}
+\endcode
+
+\subsection pcm_plugins_softvol_funcref Function reference
+
+<UL>
+ <LI>snd_pcm_softvol_open()
+ <LI>_snd_pcm_softvol_open()
+</UL>
+
+*/
+
+/**
+ * \brief Creates a new Soft Volume PCM
+ * \param pcmp Returns created PCM handle
+ * \param name Name of PCM
+ * \param root Root configuration node
+ * \param conf Configuration node with Soft Volume PCM description
+ * \param stream Stream type
+ * \param mode Stream mode
+ * \retval zero on success otherwise a negative error code
+ * \warning Using of this function might be dangerous in the sense
+ * of compatibility reasons. The prototype might be freely
+ * changed in future.
+ */
+int _snd_pcm_softvol_open(snd_pcm_t **pcmp, const char *name,
+ snd_config_t *root, snd_config_t *conf,
+ snd_pcm_stream_t stream, int mode)
+{
+ snd_config_iterator_t i, next;
+ int err;
+ snd_pcm_t *spcm;
+ snd_config_t *slave = NULL, *sconf;
+ snd_config_t *control = NULL;
+ snd_pcm_format_t sformat = SND_PCM_FORMAT_UNKNOWN;
+ snd_ctl_elem_id_t *ctl_id;
+ int resolution = PRESET_RESOLUTION;
+ double min_dB = PRESET_MIN_DB;
+ double max_dB = ZERO_DB;
+ int card = -1, cchannels = 2;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_pcm_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ slave = n;
+ continue;
+ }
+ if (strcmp(id, "control") == 0) {
+ control = n;
+ continue;
+ }
+ if (strcmp(id, "resolution") == 0) {
+ long v;
+ err = snd_config_get_integer(n, &v);
+ if (err < 0) {
+ SNDERR("Invalid resolution value");
+ return err;
+ }
+ resolution = v;
+ continue;
+ }
+ if (strcmp(id, "min_dB") == 0) {
+ err = snd_config_get_real(n, &min_dB);
+ if (err < 0) {
+ SNDERR("Invalid min_dB value");
+ return err;
+ }
+ continue;
+ }
+ if (strcmp(id, "max_dB") == 0) {
+ err = snd_config_get_real(n, &max_dB);
+ if (err < 0) {
+ SNDERR("Invalid max_dB value");
+ return err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (!slave) {
+ SNDERR("slave is not defined");
+ return -EINVAL;
+ }
+ if (!control) {
+ SNDERR("control is not defined");
+ return -EINVAL;
+ }
+ if (min_dB >= 0) {
+ SNDERR("min_dB must be a negative value");
+ return -EINVAL;
+ }
+ if (max_dB <= min_dB || max_dB > MAX_DB_UPPER_LIMIT) {
+ SNDERR("max_dB must be larger than min_dB and less than %d dB",
+ MAX_DB_UPPER_LIMIT);
+ return -EINVAL;
+ }
+ if (resolution <= 1 || resolution > 1024) {
+ SNDERR("Invalid resolution value %d", resolution);
+ return -EINVAL;
+ }
+ if (mode & SND_PCM_NO_SOFTVOL) {
+ err = snd_pcm_slave_conf(root, slave, &sconf, 0);
+ if (err < 0)
+ return err;
+ err = snd_pcm_open_named_slave(pcmp, name, root, sconf, stream,
+ mode, conf);
+ snd_config_delete(sconf);
+ } else {
+ snd_ctl_elem_id_alloca(&ctl_id);
+ err = snd_pcm_slave_conf(root, slave, &sconf, 1,
+ SND_PCM_HW_PARAM_FORMAT, 0, &sformat);
+ if (err < 0)
+ return err;
+ if (sformat != SND_PCM_FORMAT_UNKNOWN &&
+ sformat != SND_PCM_FORMAT_S16_LE &&
+ sformat != SND_PCM_FORMAT_S16_BE &&
+ sformat != SND_PCM_FORMAT_S24_3LE &&
+ sformat != SND_PCM_FORMAT_S32_LE &&
+ sformat != SND_PCM_FORMAT_S32_BE) {
+ SNDERR("only S16_LE, S16_BE, S24_3LE, S32_LE or S32_BE format "
+ "is supported");
+ snd_config_delete(sconf);
+ return -EINVAL;
+ }
+ err = snd_pcm_open_slave(&spcm, root, sconf, stream, mode, conf);
+ snd_config_delete(sconf);
+ if (err < 0)
+ return err;
+ if ((err = snd_pcm_parse_control_id(control, ctl_id, &card, &cchannels, NULL)) < 0) {
+ snd_pcm_close(spcm);
+ return err;
+ }
+ err = snd_pcm_softvol_open(pcmp, name, sformat, card, ctl_id, cchannels,
+ min_dB, max_dB, resolution, spcm, 1);
+ if (err < 0)
+ snd_pcm_close(spcm);
+ }
+ return err;
+}
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_pcm_softvol_open, SND_PCM_DLSYM_VERSION);
+#endif
diff --git a/src/pcm/pcm_symbols.c b/src/pcm/pcm_symbols.c
new file mode 100644
index 0000000..91982df
--- /dev/null
+++ b/src/pcm/pcm_symbols.c
@@ -0,0 +1,64 @@
+/*
+ * PCM Symbols
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef PIC
+
+#include "config.h"
+
+extern const char *_snd_module_pcm_adpcm;
+extern const char *_snd_module_pcm_alaw;
+extern const char *_snd_module_pcm_copy;
+extern const char *_snd_module_pcm_file;
+extern const char *_snd_module_pcm_hooks;
+extern const char *_snd_module_pcm_hw;
+extern const char *_snd_module_pcm_linear;
+extern const char *_snd_module_pcm_meter;
+extern const char *_snd_module_pcm_mulaw;
+extern const char *_snd_module_pcm_multi;
+extern const char *_snd_module_pcm_null;
+extern const char *_snd_module_pcm_empty;
+extern const char *_snd_module_pcm_plug;
+extern const char *_snd_module_pcm_rate;
+extern const char *_snd_module_pcm_route;
+extern const char *_snd_module_pcm_share;
+extern const char *_snd_module_pcm_shm;
+extern const char *_snd_module_pcm_lfloat;
+extern const char *_snd_module_pcm_ladspa;
+extern const char *_snd_module_pcm_dmix;
+extern const char *_snd_module_pcm_dsnoop;
+extern const char *_snd_module_pcm_dshare;
+extern const char *_snd_module_pcm_asym;
+extern const char *_snd_module_pcm_iec958;
+extern const char *_snd_module_pcm_softvol;
+extern const char *_snd_module_pcm_extplug;
+extern const char *_snd_module_pcm_ioplug;
+extern const char *_snd_module_pcm_mmap_emul;
+
+static const char **snd_pcm_open_objects[] = {
+ &_snd_module_pcm_hw,
+#include "pcm_symbols_list.c"
+};
+
+void *snd_pcm_open_symbols(void)
+{
+ return snd_pcm_open_objects;
+}
+
+#endif /* !PIC */
diff --git a/src/pcm/pcm_symbols_list.c b/src/pcm/pcm_symbols_list.c
new file mode 100644
index 0000000..90efa3e
--- /dev/null
+++ b/src/pcm/pcm_symbols_list.c
@@ -0,0 +1,27 @@
+&_snd_module_pcm_copy,
+&_snd_module_pcm_linear,
+&_snd_module_pcm_route,
+&_snd_module_pcm_mulaw,
+&_snd_module_pcm_alaw,
+&_snd_module_pcm_adpcm,
+&_snd_module_pcm_rate,
+&_snd_module_pcm_plug,
+&_snd_module_pcm_multi,
+&_snd_module_pcm_shm,
+&_snd_module_pcm_file,
+&_snd_module_pcm_null,
+&_snd_module_pcm_empty,
+&_snd_module_pcm_share,
+&_snd_module_pcm_meter,
+&_snd_module_pcm_hooks,
+&_snd_module_pcm_lfloat,
+&_snd_module_pcm_ladspa,
+&_snd_module_pcm_dmix,
+&_snd_module_pcm_dshare,
+&_snd_module_pcm_dsnoop,
+&_snd_module_pcm_asym,
+&_snd_module_pcm_iec958,
+&_snd_module_pcm_softvol,
+&_snd_module_pcm_extplug,
+&_snd_module_pcm_ioplug,
+&_snd_module_pcm_mmap_emul,
diff --git a/src/pcm/plugin_ops.h b/src/pcm/plugin_ops.h
new file mode 100644
index 0000000..eb8c2c4
--- /dev/null
+++ b/src/pcm/plugin_ops.h
@@ -0,0 +1,1025 @@
+/*
+ * Plugin sample operators with fast switch
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef SX_INLINES
+#define SX_INLINES
+static inline u_int32_t sx24(u_int32_t x)
+{
+ if(x&0x00800000)
+ return x|0xFF000000;
+ return x&0x00FFFFFF;
+}
+static inline u_int32_t sx24s(u_int32_t x)
+{
+ if(x&0x00008000)
+ return x|0x000000FF;
+ return x&0xFFFFFF00;
+}
+#endif
+
+#define as_u8(ptr) (*(u_int8_t*)(ptr))
+#define as_u16(ptr) (*(u_int16_t*)(ptr))
+#define as_u32(ptr) (*(u_int32_t*)(ptr))
+#define as_u64(ptr) (*(u_int64_t*)(ptr))
+#define as_s8(ptr) (*(int8_t*)(ptr))
+#define as_s16(ptr) (*(int16_t*)(ptr))
+#define as_s32(ptr) (*(int32_t*)(ptr))
+#define as_s64(ptr) (*(int64_t*)(ptr))
+#define as_float(ptr) (*(float_t*)(ptr))
+#define as_double(ptr) (*(double_t*)(ptr))
+
+#define as_u8c(ptr) (*(const u_int8_t*)(ptr))
+#define as_u16c(ptr) (*(const u_int16_t*)(ptr))
+#define as_u32c(ptr) (*(const u_int32_t*)(ptr))
+#define as_u64c(ptr) (*(const u_int64_t*)(ptr))
+#define as_s8c(ptr) (*(const int8_t*)(ptr))
+#define as_s16c(ptr) (*(const int16_t*)(ptr))
+#define as_s32c(ptr) (*(const int32_t*)(ptr))
+#define as_s64c(ptr) (*(const int64_t*)(ptr))
+#define as_floatc(ptr) (*(const float_t*)(ptr))
+#define as_doublec(ptr) (*(const double_t*)(ptr))
+
+#define _get_triple_le(ptr) (*(u_int8_t*)(ptr) | (u_int32_t)*((u_int8_t*)(ptr) + 1) << 8 | (u_int32_t)*((u_int8_t*)(ptr) + 2) << 16)
+#define _get_triple_be(ptr) ((u_int32_t)*(u_int8_t*)(ptr) << 16 | (u_int32_t)*((u_int8_t*)(ptr) + 1) << 8 | *((u_int8_t*)(ptr) + 2))
+#define _put_triple_le(ptr,val) do { \
+ u_int8_t *_tmp = (u_int8_t *)(ptr); \
+ u_int32_t _val = (val); \
+ _tmp[0] = _val; \
+ _tmp[1] = _val >> 8; \
+ _tmp[2] = _val >> 16; \
+} while(0)
+#define _put_triple_be(ptr,val) do { \
+ u_int8_t *_tmp = (u_int8_t *)(ptr); \
+ u_int32_t _val = (val); \
+ _tmp[0] = _val >> 16; \
+ _tmp[1] = _val >> 8; \
+ _tmp[2] = _val; \
+} while(0)
+
+#ifdef SNDRV_LITTLE_ENDIAN
+#define _get_triple(ptr) _get_triple_le(ptr)
+#define _get_triple_s(ptr) _get_triple_be(ptr)
+#define _put_triple(ptr,val) _put_triple_le(ptr,val)
+#define _put_triple_s(ptr,val) _put_triple_be(ptr,val)
+#else
+#define _get_triple(ptr) _get_triple_be(ptr)
+#define _get_triple_s(ptr) _get_triple_le(ptr)
+#define _put_triple(ptr,val) _put_triple_be(ptr,val)
+#define _put_triple_s(ptr,val) _put_triple_le(ptr,val)
+#endif
+
+#ifdef COPY_LABELS
+static void *copy_labels[5] = {
+ &©_8,
+ &©_16,
+ &©_24
+ &©_32,
+ &©_64
+};
+#endif
+
+#ifdef COPY_END
+while(0) {
+copy_8: as_s8(dst) = as_s8c(src); goto COPY_END;
+copy_16: as_s16(dst) = as_s16c(src); goto COPY_END;
+copy_24: memcpy(dst,src,3); goto COPY_END;
+copy_32: as_s32(dst) = as_s32c(src); goto COPY_END;
+copy_64: as_s64(dst) = as_s64c(src); goto COPY_END;
+}
+#endif
+
+#ifdef CONV_LABELS
+/* src_wid src_endswap sign_toggle dst_wid dst_endswap */
+static void *const conv_labels[4 * 2 * 2 * 4 * 2] = {
+ &&conv_xxx1_xxx1, /* 8h -> 8h */
+ &&conv_xxx1_xxx1, /* 8h -> 8s */
+ &&conv_xxx1_xx10, /* 8h -> 16h */
+ &&conv_xxx1_xx01, /* 8h -> 16s */
+ &&conv_xxx1_x100, /* 8h -> 24h */
+ &&conv_xxx1_001x, /* 8h -> 24s */
+ &&conv_xxx1_1000, /* 8h -> 32h */
+ &&conv_xxx1_0001, /* 8h -> 32s */
+ &&conv_xxx1_xxx9, /* 8h ^> 8h */
+ &&conv_xxx1_xxx9, /* 8h ^> 8s */
+ &&conv_xxx1_xx90, /* 8h ^> 16h */
+ &&conv_xxx1_xx09, /* 8h ^> 16s */
+ &&conv_xxx1_x900, /* 8h ^> 24h */
+ &&conv_xxx1_009x, /* 8h ^> 24s */
+ &&conv_xxx1_9000, /* 8h ^> 32h */
+ &&conv_xxx1_0009, /* 8h ^> 32s */
+ &&conv_xxx1_xxx1, /* 8s -> 8h */
+ &&conv_xxx1_xxx1, /* 8s -> 8s */
+ &&conv_xxx1_xx10, /* 8s -> 16h */
+ &&conv_xxx1_xx01, /* 8s -> 16s */
+ &&conv_xxx1_x100, /* 8s -> 24h */
+ &&conv_xxx1_001x, /* 8s -> 24s */
+ &&conv_xxx1_1000, /* 8s -> 32h */
+ &&conv_xxx1_0001, /* 8s -> 32s */
+ &&conv_xxx1_xxx9, /* 8s ^> 8h */
+ &&conv_xxx1_xxx9, /* 8s ^> 8s */
+ &&conv_xxx1_xx90, /* 8s ^> 16h */
+ &&conv_xxx1_xx09, /* 8s ^> 16s */
+ &&conv_xxx1_x900, /* 8s ^> 24h */
+ &&conv_xxx1_009x, /* 8s ^> 24s */
+ &&conv_xxx1_9000, /* 8s ^> 32h */
+ &&conv_xxx1_0009, /* 8s ^> 32s */
+ &&conv_xx12_xxx1, /* 16h -> 8h */
+ &&conv_xx12_xxx1, /* 16h -> 8s */
+ &&conv_xx12_xx12, /* 16h -> 16h */
+ &&conv_xx12_xx21, /* 16h -> 16s */
+ &&conv_xx12_x120, /* 16h -> 24h */
+ &&conv_xx12_021x, /* 16h -> 24s */
+ &&conv_xx12_1200, /* 16h -> 32h */
+ &&conv_xx12_0021, /* 16h -> 32s */
+ &&conv_xx12_xxx9, /* 16h ^> 8h */
+ &&conv_xx12_xxx9, /* 16h ^> 8s */
+ &&conv_xx12_xx92, /* 16h ^> 16h */
+ &&conv_xx12_xx29, /* 16h ^> 16s */
+ &&conv_xx12_x920, /* 16h ^> 24h */
+ &&conv_xx12_029x, /* 16h ^> 24s */
+ &&conv_xx12_9200, /* 16h ^> 32h */
+ &&conv_xx12_0029, /* 16h ^> 32s */
+ &&conv_xx12_xxx2, /* 16s -> 8h */
+ &&conv_xx12_xxx2, /* 16s -> 8s */
+ &&conv_xx12_xx21, /* 16s -> 16h */
+ &&conv_xx12_xx12, /* 16s -> 16s */
+ &&conv_xx12_x210, /* 16s -> 24h */
+ &&conv_xx12_012x, /* 16s -> 24s */
+ &&conv_xx12_2100, /* 16s -> 32h */
+ &&conv_xx12_0012, /* 16s -> 32s */
+ &&conv_xx12_xxxA, /* 16s ^> 8h */
+ &&conv_xx12_xxxA, /* 16s ^> 8s */
+ &&conv_xx12_xxA1, /* 16s ^> 16h */
+ &&conv_xx12_xx1A, /* 16s ^> 16s */
+ &&conv_xx12_xA10, /* 16s ^> 24h */
+ &&conv_xx12_01Ax, /* 16s ^> 24s */
+ &&conv_xx12_A100, /* 16s ^> 32h */
+ &&conv_xx12_001A, /* 16s ^> 32s */
+ &&conv_x123_xxx1, /* 24h -> 8h */
+ &&conv_x123_xxx1, /* 24h -> 8s */
+ &&conv_x123_xx12, /* 24h -> 16h */
+ &&conv_x123_xx21, /* 24h -> 16s */
+ &&conv_x123_x123, /* 24h -> 24h */
+ &&conv_x123_321x, /* 24h -> 24s */
+ &&conv_x123_1230, /* 24h -> 32h */
+ &&conv_x123_0321, /* 24h -> 32s */
+ &&conv_x123_xxx9, /* 24h ^> 8h */
+ &&conv_x123_xxx9, /* 24h ^> 8s */
+ &&conv_x123_xx92, /* 24h ^> 16h */
+ &&conv_x123_xx29, /* 24h ^> 16s */
+ &&conv_x123_x923, /* 24h ^> 24h */
+ &&conv_x123_329x, /* 24h ^> 24s */
+ &&conv_x123_9230, /* 24h ^> 32h */
+ &&conv_x123_0329, /* 24h ^> 32s */
+ &&conv_123x_xxx3, /* 24s -> 8h */
+ &&conv_123x_xxx3, /* 24s -> 8s */
+ &&conv_123x_xx32, /* 24s -> 16h */
+ &&conv_123x_xx23, /* 24s -> 16s */
+ &&conv_123x_x321, /* 24s -> 24h */
+ &&conv_123x_123x, /* 24s -> 24s */
+ &&conv_123x_3210, /* 24s -> 32h */
+ &&conv_123x_0123, /* 24s -> 32s */
+ &&conv_123x_xxxB, /* 24s ^> 8h */
+ &&conv_123x_xxxB, /* 24s ^> 8s */
+ &&conv_123x_xxB2, /* 24s ^> 16h */
+ &&conv_123x_xx2B, /* 24s ^> 16s */
+ &&conv_123x_xB21, /* 24s ^> 24h */
+ &&conv_123x_12Bx, /* 24s ^> 24s */
+ &&conv_123x_B210, /* 24s ^> 32h */
+ &&conv_123x_012B, /* 24s ^> 32s */
+ &&conv_1234_xxx1, /* 32h -> 8h */
+ &&conv_1234_xxx1, /* 32h -> 8s */
+ &&conv_1234_xx12, /* 32h -> 16h */
+ &&conv_1234_xx21, /* 32h -> 16s */
+ &&conv_1234_x123, /* 32h -> 24h */
+ &&conv_1234_321x, /* 32h -> 24s */
+ &&conv_1234_1234, /* 32h -> 32h */
+ &&conv_1234_4321, /* 32h -> 32s */
+ &&conv_1234_xxx9, /* 32h ^> 8h */
+ &&conv_1234_xxx9, /* 32h ^> 8s */
+ &&conv_1234_xx92, /* 32h ^> 16h */
+ &&conv_1234_xx29, /* 32h ^> 16s */
+ &&conv_1234_x923, /* 32h ^> 24h */
+ &&conv_1234_329x, /* 32h ^> 24s */
+ &&conv_1234_9234, /* 32h ^> 32h */
+ &&conv_1234_4329, /* 32h ^> 32s */
+ &&conv_1234_xxx4, /* 32s -> 8h */
+ &&conv_1234_xxx4, /* 32s -> 8s */
+ &&conv_1234_xx43, /* 32s -> 16h */
+ &&conv_1234_xx34, /* 32s -> 16s */
+ &&conv_1234_x432, /* 32s -> 24h */
+ &&conv_1234_234x, /* 32s -> 24s */
+ &&conv_1234_4321, /* 32s -> 32h */
+ &&conv_1234_1234, /* 32s -> 32s */
+ &&conv_1234_xxxC, /* 32s ^> 8h */
+ &&conv_1234_xxxC, /* 32s ^> 8s */
+ &&conv_1234_xxC3, /* 32s ^> 16h */
+ &&conv_1234_xx3C, /* 32s ^> 16s */
+ &&conv_1234_xC32, /* 32s ^> 24h */
+ &&conv_1234_23Cx, /* 32s ^> 24s */
+ &&conv_1234_C321, /* 32s ^> 32h */
+ &&conv_1234_123C, /* 32s ^> 32s */
+};
+#endif
+
+#ifdef CONV_END
+while(0) {
+conv_xxx1_xxx1: as_u8(dst) = as_u8c(src); goto CONV_END;
+conv_xxx1_xx10: as_u16(dst) = (u_int16_t)as_u8c(src) << 8; goto CONV_END;
+conv_xxx1_xx01: as_u16(dst) = (u_int16_t)as_u8c(src); goto CONV_END;
+conv_xxx1_x100: as_u32(dst) = sx24((u_int32_t)as_u8c(src) << 16); goto CONV_END;
+conv_xxx1_001x: as_u32(dst) = sx24s((u_int32_t)as_u8c(src) << 8); goto CONV_END;
+conv_xxx1_1000: as_u32(dst) = (u_int32_t)as_u8c(src) << 24; goto CONV_END;
+conv_xxx1_0001: as_u32(dst) = (u_int32_t)as_u8c(src); goto CONV_END;
+conv_xxx1_xxx9: as_u8(dst) = as_u8c(src) ^ 0x80; goto CONV_END;
+conv_xxx1_xx90: as_u16(dst) = (u_int16_t)(as_u8c(src) ^ 0x80) << 8; goto CONV_END;
+conv_xxx1_xx09: as_u16(dst) = (u_int16_t)(as_u8c(src) ^ 0x80); goto CONV_END;
+conv_xxx1_x900: as_u32(dst) = sx24((u_int32_t)(as_u8c(src) ^ 0x80) << 16); goto CONV_END;
+conv_xxx1_009x: as_u32(dst) = sx24s((u_int32_t)(as_u8c(src) ^ 0x80) << 8); goto CONV_END;
+conv_xxx1_9000: as_u32(dst) = (u_int32_t)(as_u8c(src) ^ 0x80) << 24; goto CONV_END;
+conv_xxx1_0009: as_u32(dst) = (u_int32_t)(as_u8c(src) ^ 0x80); goto CONV_END;
+conv_xx12_xxx1: as_u8(dst) = as_u16c(src) >> 8; goto CONV_END;
+conv_xx12_xx12: as_u16(dst) = as_u16c(src); goto CONV_END;
+conv_xx12_xx21: as_u16(dst) = bswap_16(as_u16c(src)); goto CONV_END;
+conv_xx12_x120: as_u32(dst) = sx24((u_int32_t)as_u16c(src) << 8); goto CONV_END;
+conv_xx12_021x: as_u32(dst) = sx24s((u_int32_t)bswap_16(as_u16c(src)) << 8); goto CONV_END;
+conv_xx12_1200: as_u32(dst) = (u_int32_t)as_u16c(src) << 16; goto CONV_END;
+conv_xx12_0021: as_u32(dst) = (u_int32_t)bswap_16(as_u16c(src)); goto CONV_END;
+conv_xx12_xxx9: as_u8(dst) = (as_u16c(src) >> 8) ^ 0x80; goto CONV_END;
+conv_xx12_xx92: as_u16(dst) = as_u16c(src) ^ 0x8000; goto CONV_END;
+conv_xx12_xx29: as_u16(dst) = bswap_16(as_u16c(src)) ^ 0x80; goto CONV_END;
+conv_xx12_x920: as_u32(dst) = sx24((u_int32_t)(as_u16c(src) ^ 0x8000) << 8); goto CONV_END;
+conv_xx12_029x: as_u32(dst) = sx24s((u_int32_t)(bswap_16(as_u16c(src)) ^ 0x80) << 8); goto CONV_END;
+conv_xx12_9200: as_u32(dst) = (u_int32_t)(as_u16c(src) ^ 0x8000) << 16; goto CONV_END;
+conv_xx12_0029: as_u32(dst) = (u_int32_t)(bswap_16(as_u16c(src)) ^ 0x80); goto CONV_END;
+conv_xx12_xxx2: as_u8(dst) = as_u16c(src) & 0xff; goto CONV_END;
+conv_xx12_x210: as_u32(dst) = sx24((u_int32_t)bswap_16(as_u16c(src)) << 8); goto CONV_END;
+conv_xx12_012x: as_u32(dst) = sx24s((u_int32_t)as_u16c(src) << 8); goto CONV_END;
+conv_xx12_2100: as_u32(dst) = (u_int32_t)bswap_16(as_u16c(src)) << 16; goto CONV_END;
+conv_xx12_0012: as_u32(dst) = (u_int32_t)as_u16c(src); goto CONV_END;
+conv_xx12_xxxA: as_u8(dst) = (as_u16c(src) ^ 0x80) & 0xff; goto CONV_END;
+conv_xx12_xxA1: as_u16(dst) = bswap_16(as_u16c(src) ^ 0x80); goto CONV_END;
+conv_xx12_xx1A: as_u16(dst) = as_u16c(src) ^ 0x80; goto CONV_END;
+conv_xx12_xA10: as_u32(dst) = sx24((u_int32_t)bswap_16(as_u16c(src) ^ 0x80) << 8); goto CONV_END;
+conv_xx12_01Ax: as_u32(dst) = sx24s((u_int32_t)(as_u16c(src) ^ 0x80) << 8); goto CONV_END;
+conv_xx12_A100: as_u32(dst) = (u_int32_t)bswap_16(as_u16c(src) ^ 0x80) << 16; goto CONV_END;
+conv_xx12_001A: as_u32(dst) = (u_int32_t)(as_u16c(src) ^ 0x80); goto CONV_END;
+conv_x123_xxx1: as_u8(dst) = as_u32c(src) >> 16; goto CONV_END;
+conv_x123_xx12: as_u16(dst) = as_u32c(src) >> 8; goto CONV_END;
+conv_x123_xx21: as_u16(dst) = bswap_16(as_u32c(src) >> 8); goto CONV_END;
+conv_x123_x123: as_u32(dst) = sx24(as_u32c(src)); goto CONV_END;
+conv_x123_321x: as_u32(dst) = sx24s(bswap_32(as_u32c(src))); goto CONV_END;
+conv_x123_1230: as_u32(dst) = as_u32c(src) << 8; goto CONV_END;
+conv_x123_0321: as_u32(dst) = bswap_32(as_u32c(src)) >> 8; goto CONV_END;
+conv_x123_xxx9: as_u8(dst) = (as_u32c(src) >> 16) ^ 0x80; goto CONV_END;
+conv_x123_xx92: as_u16(dst) = (as_u32c(src) >> 8) ^ 0x8000; goto CONV_END;
+conv_x123_xx29: as_u16(dst) = bswap_16(as_u32c(src) >> 8) ^ 0x80; goto CONV_END;
+conv_x123_x923: as_u32(dst) = sx24(as_u32c(src) ^ 0x800000); goto CONV_END;
+conv_x123_329x: as_u32(dst) = sx24s(bswap_32(as_u32c(src)) ^ 0x8000); goto CONV_END;
+conv_x123_9230: as_u32(dst) = (as_u32c(src) ^ 0x800000) << 8; goto CONV_END;
+conv_x123_0329: as_u32(dst) = (bswap_32(as_u32c(src)) >> 8) ^ 0x80; goto CONV_END;
+conv_123x_xxx3: as_u8(dst) = (as_u32c(src) >> 8) & 0xff; goto CONV_END;
+conv_123x_xx32: as_u16(dst) = bswap_16(as_u32c(src) >> 8); goto CONV_END;
+conv_123x_xx23: as_u16(dst) = (as_u32c(src) >> 8) & 0xffff; goto CONV_END;
+conv_123x_x321: as_u32(dst) = sx24(bswap_32(as_u32c(src))); goto CONV_END;
+conv_123x_123x: as_u32(dst) = sx24s(as_u32c(src)); goto CONV_END;
+conv_123x_3210: as_u32(dst) = bswap_32(as_u32c(src)) << 8; goto CONV_END;
+conv_123x_0123: as_u32(dst) = as_u32c(src) >> 8; goto CONV_END;
+conv_123x_xxxB: as_u8(dst) = ((as_u32c(src) >> 8) & 0xff) ^ 0x80; goto CONV_END;
+conv_123x_xxB2: as_u16(dst) = bswap_16((as_u32c(src) >> 8) ^ 0x80); goto CONV_END;
+conv_123x_xx2B: as_u16(dst) = ((as_u32c(src) >> 8) & 0xffff) ^ 0x80; goto CONV_END;
+conv_123x_xB21: as_u32(dst) = sx24(bswap_32(as_u32c(src)) ^ 0x800000); goto CONV_END;
+conv_123x_12Bx: as_u32(dst) = sx24s(as_u32c(src) ^ 0x8000); goto CONV_END;
+conv_123x_B210: as_u32(dst) = bswap_32(as_u32c(src) ^ 0x8000) << 8; goto CONV_END;
+conv_123x_012B: as_u32(dst) = (as_u32c(src) >> 8) ^ 0x80; goto CONV_END;
+conv_1234_xxx1: as_u8(dst) = as_u32c(src) >> 24; goto CONV_END;
+conv_1234_xx12: as_u16(dst) = as_u32c(src) >> 16; goto CONV_END;
+conv_1234_xx21: as_u16(dst) = bswap_16(as_u32c(src) >> 16); goto CONV_END;
+conv_1234_x123: as_u32(dst) = sx24(as_u32c(src) >> 8); goto CONV_END;
+conv_1234_321x: as_u32(dst) = sx24s(bswap_32(as_u32c(src)) << 8); goto CONV_END;
+conv_1234_1234: as_u32(dst) = as_u32c(src); goto CONV_END;
+conv_1234_4321: as_u32(dst) = bswap_32(as_u32c(src)); goto CONV_END;
+conv_1234_xxx9: as_u8(dst) = (as_u32c(src) >> 24) ^ 0x80; goto CONV_END;
+conv_1234_xx92: as_u16(dst) = (as_u32c(src) >> 16) ^ 0x8000; goto CONV_END;
+conv_1234_xx29: as_u16(dst) = bswap_16(as_u32c(src) >> 16) ^ 0x80; goto CONV_END;
+conv_1234_x923: as_u32(dst) = sx24((as_u32c(src) >> 8) ^ 0x800000); goto CONV_END;
+conv_1234_329x: as_u32(dst) = sx24s((bswap_32(as_u32c(src)) ^ 0x80) << 8); goto CONV_END;
+conv_1234_9234: as_u32(dst) = as_u32c(src) ^ 0x80000000; goto CONV_END;
+conv_1234_4329: as_u32(dst) = bswap_32(as_u32c(src)) ^ 0x80; goto CONV_END;
+conv_1234_xxx4: as_u8(dst) = as_u32c(src) & 0xff; goto CONV_END;
+conv_1234_xx43: as_u16(dst) = bswap_16(as_u32c(src)); goto CONV_END;
+conv_1234_xx34: as_u16(dst) = as_u32c(src) & 0xffff; goto CONV_END;
+conv_1234_x432: as_u32(dst) = sx24(bswap_32(as_u32c(src)) >> 8); goto CONV_END;
+conv_1234_234x: as_u32(dst) = sx24s(as_u32c(src) << 8); goto CONV_END;
+conv_1234_xxxC: as_u8(dst) = (as_u32c(src) & 0xff) ^ 0x80; goto CONV_END;
+conv_1234_xxC3: as_u16(dst) = bswap_16(as_u32c(src) ^ 0x80); goto CONV_END;
+conv_1234_xx3C: as_u16(dst) = (as_u32c(src) & 0xffff) ^ 0x80; goto CONV_END;
+conv_1234_xC32: as_u32(dst) = sx24((bswap_32(as_u32c(src)) >> 8) ^ 0x800000); goto CONV_END;
+conv_1234_23Cx: as_u32(dst) = sx24s((as_u32c(src) ^ 0x80) << 8); goto CONV_END;
+conv_1234_C321: as_u32(dst) = bswap_32(as_u32c(src) ^ 0x80); goto CONV_END;
+conv_1234_123C: as_u32(dst) = as_u32c(src) ^ 0x80; goto CONV_END;
+}
+#endif
+
+#ifdef GET16_LABELS
+/* src_wid src_endswap sign_toggle */
+static void *const get16_labels[4 * 2 * 2 + 4 * 3] = {
+ &&get16_1_10, /* 8h -> 16h */
+ &&get16_1_90, /* 8h ^> 16h */
+ &&get16_1_10, /* 8s -> 16h */
+ &&get16_1_90, /* 8s ^> 16h */
+ &&get16_12_12, /* 16h -> 16h */
+ &&get16_12_92, /* 16h ^> 16h */
+ &&get16_12_21, /* 16s -> 16h */
+ &&get16_12_A1, /* 16s ^> 16h */
+ &&get16_0123_12, /* 24h -> 16h */
+ &&get16_0123_92, /* 24h ^> 16h */
+ &&get16_1230_32, /* 24s -> 16h */
+ &&get16_1230_B2, /* 24s ^> 16h */
+ &&get16_1234_12, /* 32h -> 16h */
+ &&get16_1234_92, /* 32h ^> 16h */
+ &&get16_1234_43, /* 32s -> 16h */
+ &&get16_1234_C3, /* 32s ^> 16h */
+ /* 3bytes format */
+ &&get16_123_12, /* 24h -> 16h */
+ &&get16_123_92, /* 24h ^> 16h */
+ &&get16_123_32, /* 24s -> 16h */
+ &&get16_123_B2, /* 24s ^> 16h */
+ &&get16_123_12_20, /* 20h -> 16h */
+ &&get16_123_92_20, /* 20h ^> 16h */
+ &&get16_123_32_20, /* 20s -> 16h */
+ &&get16_123_B2_20, /* 20s ^> 16h */
+ &&get16_123_12_18, /* 18h -> 16h */
+ &&get16_123_92_18, /* 18h ^> 16h */
+ &&get16_123_32_18, /* 18s -> 16h */
+ &&get16_123_B2_18, /* 18s ^> 16h */
+};
+#endif
+
+#ifdef GET16_END
+while(0) {
+get16_1_10: sample = (u_int16_t)as_u8c(src) << 8; goto GET16_END;
+get16_1_90: sample = (u_int16_t)(as_u8c(src) ^ 0x80) << 8; goto GET16_END;
+get16_12_12: sample = as_u16c(src); goto GET16_END;
+get16_12_92: sample = as_u16c(src) ^ 0x8000; goto GET16_END;
+get16_12_21: sample = bswap_16(as_u16c(src)); goto GET16_END;
+get16_12_A1: sample = bswap_16(as_u16c(src) ^ 0x80); goto GET16_END;
+get16_0123_12: sample = as_u32c(src) >> 8; goto GET16_END;
+get16_0123_92: sample = (as_u32c(src) >> 8) ^ 0x8000; goto GET16_END;
+get16_1230_32: sample = bswap_16(as_u32c(src) >> 8); goto GET16_END;
+get16_1230_B2: sample = bswap_16((as_u32c(src) >> 8) ^ 0x80); goto GET16_END;
+get16_1234_12: sample = as_u32c(src) >> 16; goto GET16_END;
+get16_1234_92: sample = (as_u32c(src) >> 16) ^ 0x8000; goto GET16_END;
+get16_1234_43: sample = bswap_16(as_u32c(src)); goto GET16_END;
+get16_1234_C3: sample = bswap_16(as_u32c(src) ^ 0x80); goto GET16_END;
+get16_123_12: sample = _get_triple(src) >> 8; goto GET16_END;
+get16_123_92: sample = (_get_triple(src) >> 8) ^ 0x8000; goto GET16_END;
+get16_123_32: sample = _get_triple_s(src) >> 8; goto GET16_END;
+get16_123_B2: sample = (_get_triple_s(src) >> 8) ^ 0x8000; goto GET16_END;
+get16_123_12_20: sample = _get_triple(src) >> 4; goto GET16_END;
+get16_123_92_20: sample = (_get_triple(src) >> 4) ^ 0x8000; goto GET16_END;
+get16_123_32_20: sample = _get_triple_s(src) >> 4; goto GET16_END;
+get16_123_B2_20: sample = (_get_triple_s(src) >> 4) ^ 0x8000; goto GET16_END;
+get16_123_12_18: sample = _get_triple(src) >> 2; goto GET16_END;
+get16_123_92_18: sample = (_get_triple(src) >> 2) ^ 0x8000; goto GET16_END;
+get16_123_32_18: sample = _get_triple_s(src) >> 2; goto GET16_END;
+get16_123_B2_18: sample = (_get_triple_s(src) >> 2) ^ 0x8000; goto GET16_END;
+}
+#endif
+
+#ifdef PUT16_LABELS
+/* dst_wid dst_endswap sign_toggle */
+static void *const put16_labels[4 * 2 * 2 + 4 * 3] = {
+ &&put16_12_1, /* 16h -> 8h */
+ &&put16_12_9, /* 16h ^> 8h */
+ &&put16_12_1, /* 16h -> 8s */
+ &&put16_12_9, /* 16h ^> 8s */
+ &&put16_12_12, /* 16h -> 16h */
+ &&put16_12_92, /* 16h ^> 16h */
+ &&put16_12_21, /* 16h -> 16s */
+ &&put16_12_29, /* 16h ^> 16s */
+ &&put16_12_0120, /* 16h -> 24h */
+ &&put16_12_0920, /* 16h ^> 24h */
+ &&put16_12_0210, /* 16h -> 24s */
+ &&put16_12_0290, /* 16h ^> 24s */
+ &&put16_12_1200, /* 16h -> 32h */
+ &&put16_12_9200, /* 16h ^> 32h */
+ &&put16_12_0021, /* 16h -> 32s */
+ &&put16_12_0029, /* 16h ^> 32s */
+ /* 3bytes format */
+ &&put16_12_120, /* 16h -> 24h */
+ &&put16_12_920, /* 16h ^> 24h */
+ &&put16_12_021, /* 16h -> 24s */
+ &&put16_12_029, /* 16h ^> 24s */
+ &&put16_12_120_20, /* 16h -> 20h */
+ &&put16_12_920_20, /* 16h ^> 20h */
+ &&put16_12_021_20, /* 16h -> 20s */
+ &&put16_12_029_20, /* 16h ^> 20s */
+ &&put16_12_120_18, /* 16h -> 18h */
+ &&put16_12_920_18, /* 16h ^> 18h */
+ &&put16_12_021_18, /* 16h -> 18s */
+ &&put16_12_029_18, /* 16h ^> 18s */
+};
+#endif
+
+#ifdef PUT16_END
+while (0) {
+put16_12_1: as_u8(dst) = sample >> 8; goto PUT16_END;
+put16_12_9: as_u8(dst) = (sample >> 8) ^ 0x80; goto PUT16_END;
+put16_12_12: as_u16(dst) = sample; goto PUT16_END;
+put16_12_92: as_u16(dst) = sample ^ 0x8000; goto PUT16_END;
+put16_12_21: as_u16(dst) = bswap_16(sample); goto PUT16_END;
+put16_12_29: as_u16(dst) = bswap_16(sample) ^ 0x80; goto PUT16_END;
+put16_12_0120: as_u32(dst) = sx24((u_int32_t)sample << 8); goto PUT16_END;
+put16_12_0920: as_u32(dst) = sx24((u_int32_t)(sample ^ 0x8000) << 8); goto PUT16_END;
+put16_12_0210: as_u32(dst) = sx24s((u_int32_t)bswap_16(sample) << 8); goto PUT16_END;
+put16_12_0290: as_u32(dst) = sx24s((u_int32_t)(bswap_16(sample) ^ 0x80) << 8); goto PUT16_END;
+put16_12_1200: as_u32(dst) = (u_int32_t)sample << 16; goto PUT16_END;
+put16_12_9200: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 16; goto PUT16_END;
+put16_12_0021: as_u32(dst) = (u_int32_t)bswap_16(sample); goto PUT16_END;
+put16_12_0029: as_u32(dst) = (u_int32_t)bswap_16(sample) ^ 0x80; goto PUT16_END;
+put16_12_120: _put_triple(dst, (u_int32_t)sample << 8); goto PUT16_END;
+put16_12_920: _put_triple(dst, (u_int32_t)(sample ^ 0x8000) << 8); goto PUT16_END;
+put16_12_021: _put_triple_s(dst, (u_int32_t)sample << 8); goto PUT16_END;
+put16_12_029: _put_triple_s(dst, (u_int32_t)(sample ^ 0x8000) << 8); goto PUT16_END;
+put16_12_120_20: _put_triple(dst, (u_int32_t)sample << 4); goto PUT16_END;
+put16_12_920_20: _put_triple(dst, (u_int32_t)(sample ^ 0x8000) << 4); goto PUT16_END;
+put16_12_021_20: _put_triple_s(dst, (u_int32_t)sample << 4); goto PUT16_END;
+put16_12_029_20: _put_triple_s(dst, (u_int32_t)(sample ^ 0x8000) << 4); goto PUT16_END;
+put16_12_120_18: _put_triple(dst, (u_int32_t)sample << 2); goto PUT16_END;
+put16_12_920_18: _put_triple(dst, (u_int32_t)(sample ^ 0x8000) << 2); goto PUT16_END;
+put16_12_021_18: _put_triple_s(dst, (u_int32_t)sample << 2); goto PUT16_END;
+put16_12_029_18: _put_triple_s(dst, (u_int32_t)(sample ^ 0x8000) << 2); goto PUT16_END;
+}
+#endif
+
+#ifdef CONV24_LABELS
+#define GET32_LABELS
+#define PUT32_LABELS
+#endif
+
+#ifdef GET32_LABELS
+/* src_wid src_endswap sign_toggle */
+static void *const get32_labels[4 * 2 * 2 + 4 * 3] = {
+ &&get32_1_1000, /* 8h -> 32h */
+ &&get32_1_9000, /* 8h ^> 32h */
+ &&get32_1_1000, /* 8s -> 32h */
+ &&get32_1_9000, /* 8s ^> 32h */
+ &&get32_12_1200, /* 16h -> 32h */
+ &&get32_12_9200, /* 16h ^> 32h */
+ &&get32_12_2100, /* 16s -> 32h */
+ &&get32_12_A100, /* 16s ^> 32h */
+ &&get32_0123_1230, /* 24h -> 32h */
+ &&get32_0123_9230, /* 24h ^> 32h */
+ &&get32_1230_3210, /* 24s -> 32h */
+ &&get32_1230_B210, /* 24s ^> 32h */
+ &&get32_1234_1234, /* 32h -> 32h */
+ &&get32_1234_9234, /* 32h ^> 32h */
+ &&get32_1234_4321, /* 32s -> 32h */
+ &&get32_1234_C321, /* 32s ^> 32h */
+ /* 3bytes format */
+ &&get32_123_1230, /* 24h -> 32h */
+ &&get32_123_9230, /* 24h ^> 32h */
+ &&get32_123_3210, /* 24s -> 32h */
+ &&get32_123_B210, /* 24s ^> 32h */
+ &&get32_123_1230_20, /* 20h -> 32h */
+ &&get32_123_9230_20, /* 20h ^> 32h */
+ &&get32_123_3210_20, /* 20s -> 32h */
+ &&get32_123_B210_20, /* 20s ^> 32h */
+ &&get32_123_1230_18, /* 18h -> 32h */
+ &&get32_123_9230_18, /* 18h ^> 32h */
+ &&get32_123_3210_18, /* 18s -> 32h */
+ &&get32_123_B210_18, /* 18s ^> 32h */
+};
+#endif
+
+#ifdef CONV24_END
+#define GET32_END __conv24_get
+#endif
+
+#ifdef GET32_END
+while (0) {
+get32_1_1000: sample = (u_int32_t)as_u8c(src) << 24; goto GET32_END;
+get32_1_9000: sample = (u_int32_t)(as_u8c(src) ^ 0x80) << 24; goto GET32_END;
+get32_12_1200: sample = (u_int32_t)as_u16c(src) << 16; goto GET32_END;
+get32_12_9200: sample = (u_int32_t)(as_u16c(src) ^ 0x8000) << 16; goto GET32_END;
+get32_12_2100: sample = (u_int32_t)bswap_16(as_u16c(src)) << 16; goto GET32_END;
+get32_12_A100: sample = (u_int32_t)bswap_16(as_u16c(src) ^ 0x80) << 16; goto GET32_END;
+get32_0123_1230: sample = as_u32c(src) << 8; goto GET32_END;
+get32_0123_9230: sample = (as_u32c(src) << 8) ^ 0x80000000; goto GET32_END;
+get32_1230_3210: sample = bswap_32(as_u32c(src) >> 8); goto GET32_END;
+get32_1230_B210: sample = bswap_32((as_u32c(src) >> 8) ^ 0x80); goto GET32_END;
+get32_1234_1234: sample = as_u32c(src); goto GET32_END;
+get32_1234_9234: sample = as_u32c(src) ^ 0x80000000; goto GET32_END;
+get32_1234_4321: sample = bswap_32(as_u32c(src)); goto GET32_END;
+get32_1234_C321: sample = bswap_32(as_u32c(src) ^ 0x80); goto GET32_END;
+get32_123_1230: sample = _get_triple(src) << 8; goto GET32_END;
+get32_123_9230: sample = (_get_triple(src) << 8) ^ 0x80000000; goto GET32_END;
+get32_123_3210: sample = _get_triple_s(src) << 8; goto GET32_END;
+get32_123_B210: sample = (_get_triple_s(src) << 8) ^ 0x80000000; goto GET32_END;
+get32_123_1230_20: sample = _get_triple(src) << 12; goto GET32_END;
+get32_123_9230_20: sample = (_get_triple(src) << 12) ^ 0x80000000; goto GET32_END;
+get32_123_3210_20: sample = _get_triple_s(src) << 12; goto GET32_END;
+get32_123_B210_20: sample = (_get_triple_s(src) << 12) ^ 0x80000000; goto GET32_END;
+get32_123_1230_18: sample = _get_triple(src) << 14; goto GET32_END;
+get32_123_9230_18: sample = (_get_triple(src) << 14) ^ 0x80000000; goto GET32_END;
+get32_123_3210_18: sample = _get_triple_s(src) << 14; goto GET32_END;
+get32_123_B210_18: sample = (_get_triple_s(src) << 14) ^ 0x80000000; goto GET32_END;
+}
+#endif
+
+#ifdef CONV24_END
+__conv24_get: goto *put;
+#define PUT32_END CONV24_END
+#endif
+
+#ifdef PUT32_LABELS
+/* dst_wid dst_endswap sign_toggle */
+static void *const put32_labels[4 * 2 * 2 + 4 * 3] = {
+ &&put32_1234_1, /* 32h -> 8h */
+ &&put32_1234_9, /* 32h ^> 8h */
+ &&put32_1234_1, /* 32h -> 8s */
+ &&put32_1234_9, /* 32h ^> 8s */
+ &&put32_1234_12, /* 32h -> 16h */
+ &&put32_1234_92, /* 32h ^> 16h */
+ &&put32_1234_21, /* 32h -> 16s */
+ &&put32_1234_29, /* 32h ^> 16s */
+ &&put32_1234_0123, /* 32h -> 24h */
+ &&put32_1234_0923, /* 32h ^> 24h */
+ &&put32_1234_3210, /* 32h -> 24s */
+ &&put32_1234_3290, /* 32h ^> 24s */
+ &&put32_1234_1234, /* 32h -> 32h */
+ &&put32_1234_9234, /* 32h ^> 32h */
+ &&put32_1234_4321, /* 32h -> 32s */
+ &&put32_1234_4329, /* 32h ^> 32s */
+ /* 3bytes format */
+ &&put32_1234_123, /* 32h -> 24h */
+ &&put32_1234_923, /* 32h ^> 24h */
+ &&put32_1234_321, /* 32h -> 24s */
+ &&put32_1234_329, /* 32h ^> 24s */
+ &&put32_1234_123_20, /* 32h -> 24h */
+ &&put32_1234_923_20, /* 32h ^> 24h */
+ &&put32_1234_321_20, /* 32h -> 24s */
+ &&put32_1234_329_20, /* 32h ^> 24s */
+ &&put32_1234_123_18, /* 32h -> 24h */
+ &&put32_1234_923_18, /* 32h ^> 24h */
+ &&put32_1234_321_18, /* 32h -> 24s */
+ &&put32_1234_329_18, /* 32h ^> 24s */
+};
+#endif
+
+#ifdef CONV24_LABELS
+#undef GET32_LABELS
+#undef PUT32_LABELS
+#endif
+
+#ifdef PUT32_END
+while (0) {
+put32_1234_1: as_u8(dst) = sample >> 24; goto PUT32_END;
+put32_1234_9: as_u8(dst) = (sample >> 24) ^ 0x80; goto PUT32_END;
+put32_1234_12: as_u16(dst) = sample >> 16; goto PUT32_END;
+put32_1234_92: as_u16(dst) = (sample >> 16) ^ 0x8000; goto PUT32_END;
+put32_1234_21: as_u16(dst) = bswap_16(sample >> 16); goto PUT32_END;
+put32_1234_29: as_u16(dst) = bswap_16(sample >> 16) ^ 0x80; goto PUT32_END;
+put32_1234_0123: as_u32(dst) = sx24(sample >> 8); goto PUT32_END;
+put32_1234_0923: as_u32(dst) = sx24((sample >> 8) ^ 0x800000); goto PUT32_END;
+put32_1234_3210: as_u32(dst) = sx24s(bswap_32(sample) << 8); goto PUT32_END;
+put32_1234_3290: as_u32(dst) = sx24s((bswap_32(sample) ^ 0x80) << 8); goto PUT32_END;
+put32_1234_1234: as_u32(dst) = sample; goto PUT32_END;
+put32_1234_9234: as_u32(dst) = sample ^ 0x80000000; goto PUT32_END;
+put32_1234_4321: as_u32(dst) = bswap_32(sample); goto PUT32_END;
+put32_1234_4329: as_u32(dst) = bswap_32(sample) ^ 0x80; goto PUT32_END;
+put32_1234_123: _put_triple(dst, sample >> 8); goto PUT32_END;
+put32_1234_923: _put_triple(dst, (sample ^ 0x80000000) >> 8); goto PUT32_END;
+put32_1234_321: _put_triple_s(dst, sample >> 8); goto PUT32_END;
+put32_1234_329: _put_triple_s(dst, (sample ^ 0x80000000) >> 8); goto PUT32_END;
+put32_1234_123_20: _put_triple(dst, sample >> 12); goto PUT32_END;
+put32_1234_923_20: _put_triple(dst, (sample ^ 0x80000000) >> 12); goto PUT32_END;
+put32_1234_321_20: _put_triple_s(dst, sample >> 12); goto PUT32_END;
+put32_1234_329_20: _put_triple_s(dst, (sample ^ 0x80000000) >> 12); goto PUT32_END;
+put32_1234_123_18: _put_triple(dst, sample >> 14); goto PUT32_END;
+put32_1234_923_18: _put_triple(dst, (sample ^ 0x80000000) >> 14); goto PUT32_END;
+put32_1234_321_18: _put_triple_s(dst, sample >> 14); goto PUT32_END;
+put32_1234_329_18: _put_triple_s(dst, (sample ^ 0x80000000) >> 14); goto PUT32_END;
+}
+#endif
+
+#ifdef CONV24_END
+#undef GET32_END
+#undef PUT32_END
+#endif
+
+#ifdef GETU_LABELS
+/* width endswap sign_toggle */
+static void *const getu_labels[4 * 2 * 2] = {
+ &&getu_1_1, /* 8h -> 8h */
+ &&getu_1_9, /* 8h ^> 8h */
+ &&getu_1_1, /* 8s -> 8h */
+ &&getu_1_9, /* 8s ^> 8h */
+ &&getu_12_12, /* 16h -> 16h */
+ &&getu_12_92, /* 16h ^> 16h */
+ &&getu_12_21, /* 16s -> 16h */
+ &&getu_12_A1, /* 16s ^> 16h */
+ &&getu_0123_0123, /* 24h -> 24h */
+ &&getu_0123_0923, /* 24h ^> 24h */
+ &&getu_1230_0321, /* 24s -> 24h */
+ &&getu_1230_0B21, /* 24s ^> 24h */
+ &&getu_1234_1234, /* 32h -> 32h */
+ &&getu_1234_9234, /* 32h ^> 32h */
+ &&getu_1234_4321, /* 32s -> 32h */
+ &&getu_1234_C321, /* 32s ^> 32h */
+};
+#endif
+
+#ifdef GETU_END
+while (0) {
+getu_1_1: sample = as_u8c(src); goto GETU_END;
+getu_1_9: sample = as_u8c(src) ^ 0x80; goto GETU_END;
+getu_12_12: sample = as_u16c(src); goto GETU_END;
+getu_12_92: sample = as_u16c(src) ^ 0x8000; goto GETU_END;
+getu_12_21: sample = bswap_16(as_u16c(src)); goto GETU_END;
+getu_12_A1: sample = bswap_16(as_u16c(src) ^ 0x80); goto GETU_END;
+getu_0123_0123: sample = sx24(as_u32c(src)); goto GETU_END;
+getu_0123_0923: sample = sx24(as_u32c(src) ^ 0x800000); goto GETU_END;
+getu_1230_0321: sample = sx24(bswap_32(as_u32c(src))); goto GETU_END;
+getu_1230_0B21: sample = sx24(bswap_32(as_u32c(src) ^ 0x8000)); goto GETU_END;
+getu_1234_1234: sample = as_u32c(src); goto GETU_END;
+getu_1234_9234: sample = as_u32c(src) ^ 0x80000000; goto GETU_END;
+getu_1234_4321: sample = bswap_32(as_u32c(src)); goto GETU_END;
+getu_1234_C321: sample = bswap_32(as_u32c(src) ^ 0x80); goto GETU_END;
+}
+#endif
+
+#ifdef PUT32F_LABELS
+/* type (0 = float, 1 = float64), endswap */
+static void *const put32float_labels[2 * 2] = {
+ &&put32f_1234_1234F, /* 32h -> (float)h */
+ &&put32f_1234_4321F, /* 32h -> (float)s */
+ &&put32f_1234_1234D, /* 32h -> (float64)h */
+ &&put32f_1234_4321D, /* 32h -> (float64)s */
+};
+#endif
+
+#ifdef PUT32F_END
+put32f_1234_1234F: as_float(dst) = (float_t)((int32_t)sample) / (float_t)0x80000000UL; goto PUT32F_END;
+put32f_1234_4321F: tmp_float.f = (float_t)((int32_t)sample) / (float_t)0x80000000UL;
+ as_u32(dst) = bswap_32(tmp_float.i); goto PUT32F_END;
+put32f_1234_1234D: as_double(dst) = (double_t)((int32_t)sample) / (double_t)0x80000000UL; goto PUT32F_END;
+put32f_1234_4321D: tmp_double.d = (double_t)((int32_t)sample) / (double_t)0x80000000UL;
+ as_u64(dst) = bswap_64(tmp_double.l); goto PUT32F_END;
+#endif
+
+#ifdef GET32F_LABELS
+/* type (0 = float, 1 = float64), endswap */
+static void *const get32float_labels[2 * 2] = {
+ &&get32f_1234F_1234, /* (float)h -> 32h */
+ &&get32f_4321F_1234, /* (float)s -> 32h */
+ &&get32f_1234D_1234, /* (float64)h -> 32h */
+ &&get32f_4321D_1234, /* (float64)s -> 32h */
+};
+#endif
+
+#ifdef GET32F_END
+get32f_1234F_1234: tmp_float.f = as_floatc(src);
+ if (tmp_float.f >= 1.0)
+ sample = 0x7fffffff;
+ else if (tmp_float.f <= -1.0)
+ sample = 0x80000000;
+ else
+ sample = (int32_t)(tmp_float.f * (float_t)0x80000000UL);
+ goto GET32F_END;
+get32f_4321F_1234: tmp_float.i = bswap_32(as_u32c(src));
+ if (tmp_float.f >= 1.0)
+ sample = 0x7fffffff;
+ else if (tmp_float.f <= -1.0)
+ sample = 0x80000000;
+ else
+ sample = (int32_t)(tmp_float.f * (float_t)0x80000000UL);
+ goto GET32F_END;
+get32f_1234D_1234: tmp_double.d = as_doublec(src);
+ if (tmp_double.d >= 1.0)
+ sample = 0x7fffffff;
+ else if (tmp_double.d <= -1.0)
+ sample = 0x80000000;
+ else
+ sample = (int32_t)(tmp_double.d * (double_t)0x80000000UL);
+ goto GET32F_END;
+get32f_4321D_1234: tmp_double.l = bswap_64(as_u64c(src));
+ if (tmp_double.d >= 1.0)
+ sample = 0x7fffffff;
+ else if (tmp_double.d <= -1.0)
+ sample = 0x80000000;
+ else
+ sample = (int32_t)(tmp_double.d * (double_t)0x80000000UL);
+ goto GET32F_END;
+#endif
+
+#ifdef NORMS_LABELS
+static inline void _norms(const void *src, void *dst,
+ int src_wid,
+ int dst_sign, int dst_wid, int dst_end)
+{
+ int32_t s;
+ switch (src_wid) {
+ case 8:
+ s = *(int32_t*)src;
+ if (s >= 0x7f)
+ goto _max;
+ else if (s <= -0x80)
+ goto _min;
+ break;
+ case 16:
+ s = *(int32_t*)src;
+ if (s >= 0x7fff)
+ goto _max;
+ else if (s <= -0x8000)
+ goto _min;
+ break;
+ case 24:
+ s = *(int32_t*)src;
+ if (s >= 0x7fffff)
+ goto _max;
+ else if (s <= -0x800000)
+ goto _min;
+ break;
+ case 32:
+ {
+ int64_t s64;
+ s64 = *(int64_t*)src;
+ if (s64 >= 0x7fffffff)
+ goto _max;
+ else if (s64 <= -0x80000000)
+ goto _min;
+ s = s64;
+ break;
+ }
+ default:
+ assert(0);
+ return;
+ }
+ if (src_wid < dst_wid) {
+ unsigned int bits = dst_wid - src_wid;
+ s *= 1 << bits;
+ } else if (src_wid > dst_wid) {
+ unsigned int bits = src_wid - dst_wid;
+ s = (s + (1 << (bits - 1))) / (1 << bits);
+ }
+ if (!dst_sign)
+ s += (1U << (dst_wid - 1));
+ switch (dst_wid) {
+ case 8:
+ *(u_int8_t*)dst = s;
+ break;
+ case 16:
+ if (dst_end)
+ s = bswap_16(s);
+ *(u_int16_t*)dst = s;
+ break;
+ case 24:
+ case 32:
+ if (dst_end)
+ s = bswap_32(s);
+ *(u_int32_t*)dst = s;
+ break;
+ }
+ return;
+
+ _min:
+ switch (dst_wid) {
+ case 8:
+ if (dst_sign)
+ *(u_int8_t*)dst = 0x80;
+ else
+ *(u_int8_t*)dst = 0;
+ break;
+ case 16:
+ if (dst_sign)
+ *(u_int16_t*)dst = dst_end ? 0x0080 : 0x8000;
+ else
+ *(u_int16_t*)dst = 0;
+ break;
+ case 24:
+ if (dst_sign)
+ *(u_int32_t*)dst = dst_end ? 0x00008000 : 0x00800000;
+ else
+ *(u_int32_t*)dst = 0;
+ break;
+ case 32:
+ if (dst_sign)
+ *(u_int32_t*)dst = dst_end ? 0x00000080 : 0x80000000;
+ else
+ *(u_int32_t*)dst = 0;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ return;
+
+ _max:
+ switch (dst_wid) {
+ case 8:
+ if (dst_sign)
+ *(u_int8_t*)dst = 0x7f;
+ else
+ *(u_int8_t*)dst = 0xff;
+ break;
+ case 16:
+ if (dst_sign)
+ *(u_int16_t*)dst = dst_end ? 0xff7f : 0x7fff;
+ else
+ *(u_int16_t*)dst = 0;
+ break;
+ case 24:
+ if (dst_sign)
+ *(u_int32_t*)dst = dst_end ? 0xffff7f00 : 0x007fffff;
+ else
+ *(u_int32_t*)dst = 0;
+ break;
+ case 32:
+ if (dst_sign)
+ *(u_int32_t*)dst = dst_end ? 0xffffff7f : 0x7fffffff;
+ else
+ *(u_int32_t*)dst = 0;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ return;
+}
+
+/* src_wid dst_sign dst_wid dst_end */
+static void *const norms_labels[4 * 2 * 4 * 2] = {
+ &&norms_8_u8, /* s8 -> u8 */
+ &&norms_8_u8, /* s8 -> u8 */
+ &&norms_8_u16h, /* s8 -> u16h */
+ &&norms_8_u16s, /* s8 -> u16s */
+ &&norms_8_u24h, /* s8 -> u24h */
+ &&norms_8_u24s, /* s8 -> u24s */
+ &&norms_8_u32h, /* s8 -> u32h */
+ &&norms_8_u32s, /* s8 -> u32s */
+ &&norms_8_s8, /* s8 -> s8 */
+ &&norms_8_s8, /* s8 -> s8 */
+ &&norms_8_s16h, /* s8 -> s16h */
+ &&norms_8_s16s, /* s8 -> s16s */
+ &&norms_8_s24h, /* s8 -> s24h */
+ &&norms_8_s24s, /* s8 -> s24s */
+ &&norms_8_s32h, /* s8 -> s32h */
+ &&norms_8_s32s, /* s8 -> s32s */
+ &&norms_16_u8, /* s16 -> u8 */
+ &&norms_16_u8, /* s16 -> u8 */
+ &&norms_16_u16h, /* s16 -> u16h */
+ &&norms_16_u16s, /* s16 -> u16s */
+ &&norms_16_u24h, /* s16 -> u24h */
+ &&norms_16_u24s, /* s16 -> u24s */
+ &&norms_16_u32h, /* s16 -> u32h */
+ &&norms_16_u32s, /* s16 -> u32s */
+ &&norms_16_s8, /* s16 -> s8 h*/
+ &&norms_16_s8, /* s16 -> s8 */
+ &&norms_16_s16h, /* s16 -> s16h */
+ &&norms_16_s16s, /* s16 -> s16s */
+ &&norms_16_s24h, /* s16 -> s24h */
+ &&norms_16_s24s, /* s16 -> s24s */
+ &&norms_16_s32h, /* s16 -> s32h */
+ &&norms_16_s32s, /* s16 -> s32s */
+ &&norms_24_u8, /* s24 -> u8 */
+ &&norms_24_u8, /* s24 -> u8 */
+ &&norms_24_u16h, /* s24 -> u16h */
+ &&norms_24_u16s, /* s24 -> u16s */
+ &&norms_24_u24h, /* s24 -> u24h */
+ &&norms_24_u24s, /* s24 -> u24s */
+ &&norms_24_u32h, /* s24 -> u32h */
+ &&norms_24_u32s, /* s24 -> u32s */
+ &&norms_24_s8, /* s24 -> s8 */
+ &&norms_24_s8, /* s24 -> s8 */
+ &&norms_24_s16h, /* s24 -> s16h */
+ &&norms_24_s16s, /* s24 -> s16s */
+ &&norms_24_s24h, /* s24 -> s24h */
+ &&norms_24_s24s, /* s24 -> s24s */
+ &&norms_24_s32h, /* s24 -> s32h */
+ &&norms_24_s32s, /* s24 -> s32s */
+ &&norms_32_u8, /* s32 -> u8 */
+ &&norms_32_u8, /* s32 -> u8 */
+ &&norms_32_u16h, /* s32 -> u16h */
+ &&norms_32_u16s, /* s32 -> u16s */
+ &&norms_32_u24h, /* s32 -> u24h */
+ &&norms_32_u24s, /* s32 -> u24s */
+ &&norms_32_u32h, /* s32 -> u32h */
+ &&norms_32_u32s, /* s32 -> u32s */
+ &&norms_32_s8, /* s32 -> s8 */
+ &&norms_32_s8, /* s32 -> s8 */
+ &&norms_32_s16h, /* s32 -> s16h */
+ &&norms_32_s16s, /* s32 -> s16s */
+ &&norms_32_s24h, /* s32 -> s24h */
+ &&norms_32_s24s, /* s32 -> s24s */
+ &&norms_32_s32h, /* s32 -> s32h */
+ &&norms_32_s32s, /* s32 -> s32s */
+};
+#endif
+
+#ifdef NORMS_END
+norms_8_u8: _norms(src, dst, 8, 0, 8, 0); goto NORMS_END;
+norms_8_u16h: _norms(src, dst, 8, 0, 16, 0); goto NORMS_END;
+norms_8_u16s: _norms(src, dst, 8, 0, 16, 1); goto NORMS_END;
+norms_8_u24h: _norms(src, dst, 8, 0, 24, 0); goto NORMS_END;
+norms_8_u24s: _norms(src, dst, 8, 0, 24, 1); goto NORMS_END;
+norms_8_u32h: _norms(src, dst, 8, 0, 32, 0); goto NORMS_END;
+norms_8_u32s: _norms(src, dst, 8, 0, 32, 1); goto NORMS_END;
+norms_8_s8: _norms(src, dst, 8, 1, 8, 0); goto NORMS_END;
+norms_8_s16h: _norms(src, dst, 8, 1, 16, 0); goto NORMS_END;
+norms_8_s16s: _norms(src, dst, 8, 1, 16, 1); goto NORMS_END;
+norms_8_s24h: _norms(src, dst, 8, 1, 24, 0); goto NORMS_END;
+norms_8_s24s: _norms(src, dst, 8, 1, 24, 1); goto NORMS_END;
+norms_8_s32h: _norms(src, dst, 8, 1, 32, 0); goto NORMS_END;
+norms_8_s32s: _norms(src, dst, 8, 1, 32, 1); goto NORMS_END;
+norms_16_u8: _norms(src, dst, 16, 0, 8, 0); goto NORMS_END;
+norms_16_u16h: _norms(src, dst, 16, 0, 16, 0); goto NORMS_END;
+norms_16_u16s: _norms(src, dst, 16, 0, 16, 1); goto NORMS_END;
+norms_16_u24h: _norms(src, dst, 16, 0, 24, 0); goto NORMS_END;
+norms_16_u24s: _norms(src, dst, 16, 0, 24, 1); goto NORMS_END;
+norms_16_u32h: _norms(src, dst, 16, 0, 32, 0); goto NORMS_END;
+norms_16_u32s: _norms(src, dst, 16, 0, 32, 1); goto NORMS_END;
+norms_16_s8: _norms(src, dst, 16, 1, 8, 0); goto NORMS_END;
+norms_16_s16h: _norms(src, dst, 16, 1, 16, 0); goto NORMS_END;
+norms_16_s16s: _norms(src, dst, 16, 1, 16, 1); goto NORMS_END;
+norms_16_s24h: _norms(src, dst, 16, 1, 24, 0); goto NORMS_END;
+norms_16_s24s: _norms(src, dst, 16, 1, 24, 1); goto NORMS_END;
+norms_16_s32h: _norms(src, dst, 16, 1, 32, 0); goto NORMS_END;
+norms_16_s32s: _norms(src, dst, 16, 1, 32, 1); goto NORMS_END;
+norms_24_u8: _norms(src, dst, 24, 0, 8, 0); goto NORMS_END;
+norms_24_u16h: _norms(src, dst, 24, 0, 16, 0); goto NORMS_END;
+norms_24_u16s: _norms(src, dst, 24, 0, 16, 1); goto NORMS_END;
+norms_24_u24h: _norms(src, dst, 24, 0, 24, 0); goto NORMS_END;
+norms_24_u24s: _norms(src, dst, 24, 0, 24, 1); goto NORMS_END;
+norms_24_u32h: _norms(src, dst, 24, 0, 32, 0); goto NORMS_END;
+norms_24_u32s: _norms(src, dst, 24, 0, 32, 1); goto NORMS_END;
+norms_24_s8: _norms(src, dst, 24, 1, 8, 0); goto NORMS_END;
+norms_24_s16h: _norms(src, dst, 24, 1, 16, 0); goto NORMS_END;
+norms_24_s16s: _norms(src, dst, 24, 1, 16, 1); goto NORMS_END;
+norms_24_s24h: _norms(src, dst, 24, 1, 24, 0); goto NORMS_END;
+norms_24_s24s: _norms(src, dst, 24, 1, 24, 1); goto NORMS_END;
+norms_24_s32h: _norms(src, dst, 24, 1, 32, 0); goto NORMS_END;
+norms_24_s32s: _norms(src, dst, 24, 1, 32, 1); goto NORMS_END;
+norms_32_u8: _norms(src, dst, 32, 0, 8, 0); goto NORMS_END;
+norms_32_u16h: _norms(src, dst, 32, 0, 16, 0); goto NORMS_END;
+norms_32_u16s: _norms(src, dst, 32, 0, 16, 1); goto NORMS_END;
+norms_32_u24h: _norms(src, dst, 32, 0, 24, 0); goto NORMS_END;
+norms_32_u24s: _norms(src, dst, 32, 0, 24, 1); goto NORMS_END;
+norms_32_u32h: _norms(src, dst, 32, 0, 32, 0); goto NORMS_END;
+norms_32_u32s: _norms(src, dst, 32, 0, 32, 1); goto NORMS_END;
+norms_32_s8: _norms(src, dst, 32, 1, 8, 0); goto NORMS_END;
+norms_32_s16h: _norms(src, dst, 32, 1, 16, 0); goto NORMS_END;
+norms_32_s16s: _norms(src, dst, 32, 1, 16, 1); goto NORMS_END;
+norms_32_s24h: _norms(src, dst, 32, 1, 24, 0); goto NORMS_END;
+norms_32_s24s: _norms(src, dst, 32, 1, 24, 1); goto NORMS_END;
+norms_32_s32h: _norms(src, dst, 32, 1, 32, 0); goto NORMS_END;
+norms_32_s32s: _norms(src, dst, 32, 1, 32, 1); goto NORMS_END;
+#endif
+
+
+#undef as_u8
+#undef as_u16
+#undef as_u32
+#undef as_s8
+#undef as_s16
+#undef as_s32
+#undef as_float
+#undef as_double
+
+#undef as_u8c
+#undef as_u16c
+#undef as_u32c
+#undef as_s8c
+#undef as_s16c
+#undef as_s32c
+#undef as_floatc
+#undef as_doublec
+
+#undef _get_triple
+#undef _get_triple_s
+#undef _get_triple_le
+#undef _get_triple_be
+#undef _put_triple
+#undef _put_triple_s
+#undef _put_triple_le
+#undef _put_triple_be
+
diff --git a/src/pcm/scopes/Makefile.am b/src/pcm/scopes/Makefile.am
new file mode 100644
index 0000000..0ce845d
--- /dev/null
+++ b/src/pcm/scopes/Makefile.am
@@ -0,0 +1,9 @@
+pkglibdir = $(libdir)/@PACKAGE@/scopes
+
+AM_CFLAGS = -g -O2 -W -Wall
+
+pkglib_LTLIBRARIES = scope-level.la
+
+scope_level_la_SOURCES = level.c
+scope_level_la_LDFLAGS = -module
+scope_level_la_LIBADD = -lncurses
diff --git a/src/pcm/scopes/Makefile.in b/src/pcm/scopes/Makefile.in
new file mode 100644
index 0000000..8403e0d
--- /dev/null
+++ b/src/pcm/scopes/Makefile.in
@@ -0,0 +1,612 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = src/pcm/scopes
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(top_srcdir)/depcomp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
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+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES =
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+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+ $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
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+ esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+ srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
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+am__nobase_list = $(am__nobase_strip_setup); \
+ for p in $$list; do echo "$$p $$p"; done | \
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+ $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
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+am__base_list = \
+ sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
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+am__uninstall_files_from_dir = { \
+ test -z "$$files" \
+ || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
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+ $(am__cd) "$$dir" && rm -f $$files; }; \
+ }
+am__installdirs = "$(DESTDIR)$(pkglibdir)"
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+am_scope_level_la_OBJECTS = level.lo
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+AM_V_lt = $(am__v_lt_@AM_V@)
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+am__v_lt_1 =
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+ $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+ $(AM_CFLAGS) $(CFLAGS) $(scope_level_la_LDFLAGS) $(LDFLAGS) -o \
+ $@
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
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+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo " GEN " $@;
+am__v_GEN_1 =
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
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+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include
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+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
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+
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+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
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+
+distdir: $(DISTFILES)
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+ done
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+ fi
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+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+ @echo "it deletes files that may require special tools to rebuild."
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+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/pcm/scopes/level.c b/src/pcm/scopes/level.c
new file mode 100644
index 0000000..eea9eac
--- /dev/null
+++ b/src/pcm/scopes/level.c
@@ -0,0 +1,271 @@
+/*
+ * PCM - Meter level plugin (ncurses)
+ * Copyright (c) 2001 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <curses.h>
+#include <errno.h>
+#include <alsa/asoundlib.h>
+
+#define BAR_WIDTH 70
+/* milliseconds to go from 32767 to 0 */
+#define DECAY_MS 400
+/* milliseconds for peak to disappear */
+#define PEAK_MS 800
+
+typedef struct _snd_pcm_scope_level_channel {
+ int16_t level;
+ int16_t peak;
+ unsigned int peak_age;
+} snd_pcm_scope_level_channel_t;
+
+typedef struct _snd_pcm_scope_level {
+ snd_pcm_t *pcm;
+ snd_pcm_scope_t *s16;
+ snd_pcm_scope_level_channel_t *channels;
+ snd_pcm_uframes_t old;
+ int top;
+ WINDOW *win;
+ unsigned int bar_width;
+ unsigned int decay_ms;
+ unsigned int peak_ms;
+} snd_pcm_scope_level_t;
+
+static int level_enable(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_level_t *level = snd_pcm_scope_get_callback_private(scope);
+ int y, x;
+ level->channels = calloc(snd_pcm_meter_get_channels(level->pcm), sizeof(*level->channels));
+ if (!level->channels) {
+ free(level);
+ return -ENOMEM;
+ }
+ snd_pcm_scope_set_callback_private(scope, level);
+ level->win = initscr();
+ winsdelln(level->win, snd_pcm_meter_get_channels(level->pcm));
+ getyx(level->win, y, x);
+ level->top = y;
+ return 0;
+}
+
+static void level_disable(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_level_t *level = snd_pcm_scope_get_callback_private(scope);
+ endwin();
+ free(level->channels);
+}
+
+static void level_close(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_level_t *level = snd_pcm_scope_get_callback_private(scope);
+ free(level);
+}
+
+static void level_start(snd_pcm_scope_t *scope ATTRIBUTE_UNUSED)
+{
+}
+
+static void level_stop(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_level_t *level = snd_pcm_scope_get_callback_private(scope);
+ unsigned int c;
+ for (c = 0; c < snd_pcm_meter_get_channels(level->pcm); c++) {
+ move(level->top + c, 0);
+ clrtoeol();
+ }
+ move(level->top, 0);
+ refresh();
+}
+
+static void level_update(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_level_t *level = snd_pcm_scope_get_callback_private(scope);
+ snd_pcm_t *pcm = level->pcm;
+ snd_pcm_sframes_t size;
+ snd_pcm_uframes_t size1, size2;
+ snd_pcm_uframes_t offset, cont;
+ unsigned int c, channels;
+ unsigned int ms;
+ static char bar[256] = { [0 ... 255] = '#' };
+ int max_decay;
+ size = snd_pcm_meter_get_now(pcm) - level->old;
+ if (size < 0)
+ size += snd_pcm_meter_get_boundary(pcm);
+ offset = level->old % snd_pcm_meter_get_bufsize(pcm);
+ cont = snd_pcm_meter_get_bufsize(pcm) - offset;
+ size1 = size;
+ if (size1 > cont)
+ size1 = cont;
+ size2 = size - size1;
+ ms = size * 1000 / snd_pcm_meter_get_rate(pcm);
+ max_decay = 32768 * ms / level->decay_ms;
+ channels = snd_pcm_meter_get_channels(pcm);
+ for (c = 0; c < channels; c++) {
+ int16_t *ptr;
+ int s, lev = 0;
+ snd_pcm_uframes_t n;
+ snd_pcm_scope_level_channel_t *l;
+ unsigned int lev_pos, peak_pos;
+ l = &level->channels[c];
+ ptr = snd_pcm_scope_s16_get_channel_buffer(level->s16, c) + offset;
+ for (n = size1; n > 0; n--) {
+ s = *ptr;
+ if (s < 0)
+ s = -s;
+ if (s > lev)
+ lev = s;
+ ptr++;
+ }
+ ptr = snd_pcm_scope_s16_get_channel_buffer(level->s16, c);
+ for (n = size2; n > 0; n--) {
+ s = *ptr;
+ if (s < 0)
+ s = -s;
+ if (s > lev)
+ lev = s;
+ ptr++;
+ }
+ l->level = lev;
+ l->peak_age += ms;
+ if (l->peak_age >= level->peak_ms ||
+ lev >= l->peak) {
+ l->peak = lev;
+ l->peak_age = 0;
+ }
+ if (lev < l->level - max_decay)
+ lev = l->level - max_decay;
+ move(level->top + c, 0);
+ lev_pos = lev * level->bar_width / 32768;
+ peak_pos = l->peak * level->bar_width / 32768;
+ addnstr(bar, lev_pos);
+ clrtoeol();
+ mvaddch(level->top + c, peak_pos - 1, '#');
+ }
+ move(level->top, 0);
+ refresh();
+ level->old = snd_pcm_meter_get_now(pcm);
+}
+
+static void level_reset(snd_pcm_scope_t *scope)
+{
+ snd_pcm_scope_level_t *level = snd_pcm_scope_get_callback_private(scope);
+ snd_pcm_t *pcm = level->pcm;
+ memset(level->channels, 0, snd_pcm_meter_get_channels(pcm) * sizeof(*level->channels));
+ level->old = snd_pcm_meter_get_now(pcm);
+}
+
+snd_pcm_scope_ops_t level_ops = {
+ .enable = level_enable,
+ .disable = level_disable,
+ .close = level_close,
+ .start = level_start,
+ .stop = level_stop,
+ .update = level_update,
+ .reset = level_reset,
+};
+
+int snd_pcm_scope_level_open(snd_pcm_t *pcm, const char *name,
+ unsigned int bar_width, unsigned int decay_ms,
+ unsigned int peak_ms,
+ snd_pcm_scope_t **scopep)
+{
+ snd_pcm_scope_t *scope, *s16;
+ snd_pcm_scope_level_t *level;
+ int err = snd_pcm_scope_malloc(&scope);
+ if (err < 0)
+ return err;
+ level = calloc(1, sizeof(*level));
+ if (!level) {
+ free(scope);
+ return -ENOMEM;
+ }
+ level->pcm = pcm;
+ level->bar_width = bar_width;
+ level->decay_ms = decay_ms;
+ level->peak_ms = peak_ms;
+ s16 = snd_pcm_meter_search_scope(pcm, "s16");
+ if (!s16) {
+ err = snd_pcm_scope_s16_open(pcm, "s16", &s16);
+ if (err < 0) {
+ free(scope);
+ free(level);
+ return err;
+ }
+ }
+ level->s16 = s16;
+ snd_pcm_scope_set_ops(scope, &level_ops);
+ snd_pcm_scope_set_callback_private(scope, level);
+ if (name)
+ snd_pcm_scope_set_name(scope, strdup(name));
+ snd_pcm_meter_add_scope(pcm, scope);
+ *scopep = scope;
+ return 0;
+}
+
+int _snd_pcm_scope_level_open(snd_pcm_t *pcm, const char *name,
+ snd_config_t *root, snd_config_t *conf)
+{
+ snd_config_iterator_t i, next;
+ snd_pcm_scope_t *scope;
+ long bar_width = -1, decay_ms = -1, peak_ms = -1;
+ int err;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "bar_width") == 0) {
+ err = snd_config_get_integer(n, &bar_width);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "decay_ms") == 0) {
+ err = snd_config_get_integer(n, &decay_ms);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ if (strcmp(id, "peak_ms") == 0) {
+ err = snd_config_get_integer(n, &peak_ms);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return -EINVAL;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ return -EINVAL;
+ }
+ if (bar_width < 0)
+ bar_width = BAR_WIDTH;
+ if (decay_ms < 0)
+ decay_ms = DECAY_MS;
+ if (peak_ms < 0)
+ peak_ms = PEAK_MS;
+ return snd_pcm_scope_level_open(pcm, name, bar_width, decay_ms, peak_ms,
+ &scope);
+}
diff --git a/src/rawmidi/Android.mk b/src/rawmidi/Android.mk
new file mode 100644
index 0000000..1ffa99c
--- /dev/null
+++ b/src/rawmidi/Android.mk
@@ -0,0 +1,12 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ rawmidi.c \
+ rawmidi_hw.c \
+ rawmidi_symbols.c \
+ rawmidi_virt.c
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../include
+LOCAL_MODULE := librawmidi
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/rawmidi/Makefile.am b/src/rawmidi/Makefile.am
new file mode 100644
index 0000000..41858a1
--- /dev/null
+++ b/src/rawmidi/Makefile.am
@@ -0,0 +1,12 @@
+EXTRA_LTLIBRARIES=librawmidi.la
+
+librawmidi_la_SOURCES = rawmidi.c rawmidi_hw.c rawmidi_symbols.c
+if BUILD_SEQ
+librawmidi_la_SOURCES += rawmidi_virt.c
+endif
+noinst_HEADERS = rawmidi_local.h
+
+all: librawmidi.la
+
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/rawmidi/Makefile.in b/src/rawmidi/Makefile.in
new file mode 100644
index 0000000..4155627
--- /dev/null
+++ b/src/rawmidi/Makefile.in
@@ -0,0 +1,550 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
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+ esac; \
+ test $$am__dry = yes; \
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+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
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+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
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+@BUILD_SEQ_TRUE@am__append_1 = rawmidi_virt.c
+subdir = src/rawmidi
+DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
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+CONFIG_CLEAN_FILES =
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+am__librawmidi_la_SOURCES_DIST = rawmidi.c rawmidi_hw.c \
+ rawmidi_symbols.c rawmidi_virt.c
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+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/rawmidi/rawmidi.c b/src/rawmidi/rawmidi.c
new file mode 100644
index 0000000..ac699b4
--- /dev/null
+++ b/src/rawmidi/rawmidi.c
@@ -0,0 +1,1010 @@
+/**
+ * \file rawmidi/rawmidi.c
+ * \brief RawMidi Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2000-2001
+ *
+ * See the \ref rawmidi page for more details.
+ */
+/*
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page rawmidi RawMidi interface
+
+<P>RawMidi Interface is designed to write or read raw (unchanged) MIDI
+data over the MIDI line without any timestamps defined in interface. MIDI
+stands Musical Instrument Digital Interface and more information about
+this standard can be found at http://www.midi.org.
+
+\section rawmidi_general_overview General overview
+
+The rawmidi implementation uses ring buffers to store outgoing and incoming
+MIDI stream. The buffer size is tunable and drivers report underruns for incoming
+stream as well.
+
+\section rawmidi_open Open handling
+
+RawMidi devices are opened exclusively for a selected direction.
+While more than one process may not open a given MIDI device in the same
+direction simultaneously, separate processes may open a single MIDI device
+in different directions (i.e. process one opens a MIDI device in write
+direction and process two opens the same device in read direction).
+
+\subsection rawmidi_open_nonblock Nonblocking open (flag)
+
+Using #SND_RAWMIDI_NONBLOCK flag for snd_rawmidi_open() or snd_rawmidi_open_lconf()
+instruct device driver to return the -EBUSY error when device is already occupied
+with another application. This flag also changes behaviour of snd_rawmidi_write()
+and snd_rawmidi_read() returning -EAGAIN when no more bytes can be processed.
+
+Note: In opposite (default) behaviour, application is blocked until device resources
+are free.
+
+\subsection rawmidi_open_append Append open (flag)
+
+Using #SND_RAWMIDI_APPEND flag (output only) instruct device driver to append
+contents of written buffer - passed by snd_rawmidi_write() - atomically
+to output ring buffer in the kernel space. This flag also means that device
+is not opened exclusively, so more applications can share given rawmidi device.
+Note that applications must send the whole MIDI message including the running status,
+because another writing application might break the MIDI message in the output
+buffer.
+
+\subsection rawmidi_open_sync Sync open (flag)
+
+Using #SND_RAWMIDI_SYNC flag (output only) assures that the contents of output
+buffer specified using snd_rawmidi_write() is always drained before the function
+exits. This behaviour is same like 'snd_rawmidi_write() followed by
+snd_rawmidi_drain() immediately'.
+
+\subsection rawmidi_io I/O handling
+
+There is only standard read/write access to device internal ring buffer. Use
+snd_rawmidi_read() and snd_rawmidi_write() functions to obtain / write MIDI bytes.
+
+\subsection rawmidi_dev_names RawMidi naming conventions
+
+The ALSA library uses a generic string representation for names of devices.
+The devices might be virtual, physical or a mix of both. The generic string
+is passed to \link ::snd_rawmidi_open() \endlink or \link ::snd_rawmidi_open_lconf() \endlink.
+It contains two parts: device name and arguments. Devices and arguments are described
+in configuration files. The usual place for default definitions is at /usr/share/alsa/alsa.conf.
+
+\subsection rawmidi_dev_names_default
+
+The default device is equal to hw device. The defaults are used:
+
+defaults.rawmidi.card 0
+defaults.rawmidi.device 0
+defaults.rawmidi.subdevice -1
+
+These defaults can be freely overwritten in local configuration files.
+
+Example:
+
+\code
+default
+\endcode
+
+\subsection rawmidi_dev_names_hw HW device
+
+The hw device description uses the hw plugin. The three arguments (in order: CARD,DEV,SUBDEV)
+specify card number or identifier, device number and subdevice number (-1 means any).
+
+Example:
+
+\code
+hw
+hw:0
+hw:0,0
+hw:supersonic,1
+hw:soundwave,1,2
+hw:DEV=1,CARD=soundwave,SUBDEV=2
+\endcode
+
+\section rawmidi_examples Examples
+
+The full featured examples with cross-links:
+
+\par Simple input/output test program
+\ref example_test_rawmidi "example code"
+\par
+This example shows open and read/write rawmidi operations.
+
+*/
+
+/**
+ * \example ../test/rawmidi.c
+ * \anchor example_test_rawmidi
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <string.h>
+#include "rawmidi_local.h"
+
+/**
+ * \brief setup the default parameters
+ * \param rawmidi RawMidi handle
+ * \param params pointer to a snd_rawmidi_params_t structure
+ * \return 0 on success otherwise a negative error code
+ */
+static int snd_rawmidi_params_default(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params)
+{
+ assert(rawmidi);
+ assert(params);
+ params->buffer_size = page_size();
+ params->avail_min = 1;
+ params->no_active_sensing = 1;
+ return 0;
+}
+
+static int snd_rawmidi_open_conf(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ const char *name, snd_config_t *rawmidi_root,
+ snd_config_t *rawmidi_conf, int mode)
+{
+ const char *str;
+ char buf[256];
+ int err;
+ snd_config_t *conf, *type_conf = NULL;
+ snd_config_iterator_t i, next;
+ snd_rawmidi_params_t params;
+ const char *id;
+ const char *lib = NULL, *open_name = NULL;
+ int (*open_func)(snd_rawmidi_t **, snd_rawmidi_t **,
+ const char *, snd_config_t *, snd_config_t *, int) = NULL;
+#ifndef PIC
+ extern void *snd_rawmidi_open_symbols(void);
+#endif
+ void *h = NULL;
+ if (snd_config_get_type(rawmidi_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ if (name)
+ SNDERR("Invalid type for RAWMIDI %s definition", name);
+ else
+ SNDERR("Invalid type for RAWMIDI definition");
+ return -EINVAL;
+ }
+ err = snd_config_search(rawmidi_conf, "type", &conf);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ return err;
+ }
+ err = snd_config_get_id(conf, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(rawmidi_root, "rawmidi_type", str, &type_conf);
+ if (err >= 0) {
+ if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for RAWMIDI type %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ open_name = buf;
+ snprintf(buf, sizeof(buf), "_snd_rawmidi_%s_open", str);
+ }
+#ifndef PIC
+ snd_rawmidi_open_symbols();
+#endif
+ h = snd_dlopen(lib, RTLD_NOW);
+ if (h)
+ open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_RAWMIDI_DLSYM_VERSION));
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ } else if (!open_func) {
+ SNDERR("symbol %s is not defined inside %s", open_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ if (err >= 0)
+ err = open_func(inputp, outputp, name, rawmidi_root, rawmidi_conf, mode);
+ if (err < 0) {
+ if (h)
+ snd_dlclose(h);
+ return err;
+ }
+ if (inputp) {
+ (*inputp)->dl_handle = h; h = NULL;
+ snd_rawmidi_params_default(*inputp, ¶ms);
+ err = snd_rawmidi_params(*inputp, ¶ms);
+ assert(err >= 0);
+ }
+ if (outputp) {
+ (*outputp)->dl_handle = h;
+ snd_rawmidi_params_default(*outputp, ¶ms);
+ err = snd_rawmidi_params(*outputp, ¶ms);
+ assert(err >= 0);
+ }
+ return 0;
+}
+
+static int snd_rawmidi_open_noupdate(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ snd_config_t *root, const char *name, int mode)
+{
+ int err;
+ snd_config_t *rawmidi_conf;
+ err = snd_config_search_definition(root, "rawmidi", name, &rawmidi_conf);
+ if (err < 0) {
+ SNDERR("Unknown RawMidi %s", name);
+ return err;
+ }
+ err = snd_rawmidi_open_conf(inputp, outputp, name, root, rawmidi_conf, mode);
+ snd_config_delete(rawmidi_conf);
+ return err;
+}
+
+/**
+ * \brief Opens a new connection to the RawMidi interface.
+ * \param inputp Returned input handle (NULL if not wanted)
+ * \param outputp Returned output handle (NULL if not wanted)
+ * \param name ASCII identifier of the RawMidi handle
+ * \param mode Open mode
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the RawMidi interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_rawmidi_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ const char *name, int mode)
+{
+ int err;
+ assert((inputp || outputp) && name);
+ err = snd_config_update();
+ if (err < 0)
+ return err;
+ return snd_rawmidi_open_noupdate(inputp, outputp, snd_config, name, mode);
+}
+
+/**
+ * \brief Opens a new connection to the RawMidi interface using local configuration
+ * \param inputp Returned input handle (NULL if not wanted)
+ * \param outputp Returned output handle (NULL if not wanted)
+ * \param name ASCII identifier of the RawMidi handle
+ * \param mode Open mode
+ * \param lconf Local configuration
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the RawMidi interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_rawmidi_open_lconf(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ const char *name, int mode, snd_config_t *lconf)
+{
+ assert((inputp || outputp) && name && lconf);
+ return snd_rawmidi_open_noupdate(inputp, outputp, lconf, name, mode);
+}
+
+/**
+ * \brief close RawMidi handle
+ * \param rawmidi RawMidi handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the specified RawMidi handle and frees all associated
+ * resources.
+ */
+int snd_rawmidi_close(snd_rawmidi_t *rawmidi)
+{
+ int err;
+ assert(rawmidi);
+ err = rawmidi->ops->close(rawmidi);
+ free(rawmidi->name);
+ if (rawmidi->dl_handle)
+ snd_dlclose(rawmidi->dl_handle);
+ free(rawmidi);
+ return err;
+}
+
+/**
+ * \brief get identifier of RawMidi handle
+ * \param rawmidi a RawMidi handle
+ * \return ascii identifier of RawMidi handle
+ *
+ * Returns the ASCII identifier of given RawMidi handle. It's the same
+ * identifier specified in snd_rawmidi_open().
+ */
+const char *snd_rawmidi_name(snd_rawmidi_t *rawmidi)
+{
+ assert(rawmidi);
+ return rawmidi->name;
+}
+
+/**
+ * \brief get type of RawMidi handle
+ * \param rawmidi a RawMidi handle
+ * \return type of RawMidi handle
+ *
+ * Returns the type #snd_rawmidi_type_t of given RawMidi handle.
+ */
+snd_rawmidi_type_t snd_rawmidi_type(snd_rawmidi_t *rawmidi)
+{
+ assert(rawmidi);
+ return rawmidi->type;
+}
+
+/**
+ * \brief get stream (direction) of RawMidi handle
+ * \param rawmidi a RawMidi handle
+ * \return stream of RawMidi handle
+ *
+ * Returns the stream #snd_rawmidi_stream_t of given RawMidi handle.
+ */
+snd_rawmidi_stream_t snd_rawmidi_stream(snd_rawmidi_t *rawmidi)
+{
+ assert(rawmidi);
+ return rawmidi->stream;
+}
+
+/**
+ * \brief get count of poll descriptors for RawMidi handle
+ * \param rawmidi RawMidi handle
+ * \return count of poll descriptors
+ */
+int snd_rawmidi_poll_descriptors_count(snd_rawmidi_t *rawmidi)
+{
+ assert(rawmidi);
+ return 1;
+}
+
+/**
+ * \brief get poll descriptors
+ * \param rawmidi RawMidi handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \return count of filled descriptors
+ */
+int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int space)
+{
+ assert(rawmidi);
+ if (space >= 1) {
+ pfds->fd = rawmidi->poll_fd;
+ pfds->events = rawmidi->stream == SND_RAWMIDI_STREAM_OUTPUT ? (POLLOUT|POLLERR|POLLNVAL) : (POLLIN|POLLERR|POLLNVAL);
+ return 1;
+ }
+ return 0;
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param rawmidi rawmidi RawMidi handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents returned events
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_rawmidi_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ assert(rawmidi && pfds && revents);
+ if (nfds == 1) {
+ *revents = pfds->revents;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief set nonblock mode
+ * \param rawmidi RawMidi handle
+ * \param nonblock 0 = block, 1 = nonblock mode
+ * \return 0 on success otherwise a negative error code
+ *
+ * The nonblock mode cannot be used when the stream is in
+ * #SND_RAWMIDI_APPEND state.
+ */
+int snd_rawmidi_nonblock(snd_rawmidi_t *rawmidi, int nonblock)
+{
+ int err;
+ assert(rawmidi);
+ assert(!(rawmidi->mode & SND_RAWMIDI_APPEND));
+ if ((err = rawmidi->ops->nonblock(rawmidi, nonblock)) < 0)
+ return err;
+ if (nonblock)
+ rawmidi->mode |= SND_RAWMIDI_NONBLOCK;
+ else
+ rawmidi->mode &= ~SND_RAWMIDI_NONBLOCK;
+ return 0;
+}
+
+/**
+ * \brief get size of the snd_rawmidi_info_t structure in bytes
+ * \return size of the snd_rawmidi_info_t structure in bytes
+ */
+size_t snd_rawmidi_info_sizeof()
+{
+ return sizeof(snd_rawmidi_info_t);
+}
+
+/**
+ * \brief allocate a new snd_rawmidi_info_t structure
+ * \param info returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_rawmidi_params_t structure using the standard
+ * malloc C library function.
+ */
+int snd_rawmidi_info_malloc(snd_rawmidi_info_t **info)
+{
+ assert(info);
+ *info = calloc(1, sizeof(snd_rawmidi_info_t));
+ if (!*info)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_rawmidi_info_t structure
+ * \param info pointer to the snd_rawmidi_info_t structure to free
+ *
+ * Frees the given snd_rawmidi_params_t structure using the standard
+ * free C library function.
+ */
+void snd_rawmidi_info_free(snd_rawmidi_info_t *info)
+{
+ assert(info);
+ free(info);
+}
+
+/**
+ * \brief copy one snd_rawmidi_info_t structure to another
+ * \param dst destination snd_rawmidi_info_t structure
+ * \param src source snd_rawmidi_info_t structure
+ */
+void snd_rawmidi_info_copy(snd_rawmidi_info_t *dst, const snd_rawmidi_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief get rawmidi device number
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi device number
+ */
+unsigned int snd_rawmidi_info_get_device(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return info->device;
+}
+
+/**
+ * \brief get rawmidi subdevice number
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi subdevice number
+ */
+unsigned int snd_rawmidi_info_get_subdevice(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return info->subdevice;
+}
+
+/**
+ * \brief get rawmidi stream identification
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi stream identification
+ */
+snd_rawmidi_stream_t snd_rawmidi_info_get_stream(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return info->stream;
+}
+
+/**
+ * \brief get rawmidi card number
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi card number
+ */
+int snd_rawmidi_info_get_card(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return info->card;
+}
+
+/**
+ * \brief get rawmidi flags
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi flags
+ */
+unsigned int snd_rawmidi_info_get_flags(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return info->flags;
+}
+
+/**
+ * \brief get rawmidi hardware driver identifier
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi hardware driver identifier
+ */
+const char *snd_rawmidi_info_get_id(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return (const char *)info->id;
+}
+
+/**
+ * \brief get rawmidi hardware driver name
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi hardware driver name
+ */
+const char *snd_rawmidi_info_get_name(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return (const char *)info->name;
+}
+
+/**
+ * \brief get rawmidi subdevice name
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi subdevice name
+ */
+const char *snd_rawmidi_info_get_subdevice_name(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return (const char *)info->subname;
+}
+
+/**
+ * \brief get rawmidi count of subdevices
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi count of subdevices
+ */
+unsigned int snd_rawmidi_info_get_subdevices_count(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return info->subdevices_count;
+}
+
+/**
+ * \brief get rawmidi available count of subdevices
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \return rawmidi available count of subdevices
+ */
+unsigned int snd_rawmidi_info_get_subdevices_avail(const snd_rawmidi_info_t *info)
+{
+ assert(info);
+ return info->subdevices_avail;
+}
+
+/**
+ * \brief set rawmidi device number
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \param val device number
+ */
+void snd_rawmidi_info_set_device(snd_rawmidi_info_t *info, unsigned int val)
+{
+ assert(info);
+ info->device = val;
+}
+
+/**
+ * \brief set rawmidi subdevice number
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \param val subdevice number
+ */
+void snd_rawmidi_info_set_subdevice(snd_rawmidi_info_t *info, unsigned int val)
+{
+ assert(info);
+ info->subdevice = val;
+}
+
+/**
+ * \brief set rawmidi stream identifier
+ * \param info pointer to a snd_rawmidi_info_t structure
+ * \param val rawmidi stream identifier
+ */
+void snd_rawmidi_info_set_stream(snd_rawmidi_info_t *info, snd_rawmidi_stream_t val)
+{
+ assert(info);
+ info->stream = val;
+}
+
+/**
+ * \brief get information about RawMidi handle
+ * \param rawmidi RawMidi handle
+ * \param info pointer to a snd_rawmidi_info_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_rawmidi_info(snd_rawmidi_t *rawmidi, snd_rawmidi_info_t * info)
+{
+ assert(rawmidi);
+ assert(info);
+ return rawmidi->ops->info(rawmidi, info);
+}
+
+/**
+ * \brief get size of the snd_rawmidi_params_t structure in bytes
+ * \return size of the snd_rawmidi_params_t structure in bytes
+ */
+size_t snd_rawmidi_params_sizeof()
+{
+ return sizeof(snd_rawmidi_params_t);
+}
+
+/**
+ * \brief allocate the snd_rawmidi_params_t structure
+ * \param params returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_rawmidi_params_t structure using the standard
+ * malloc C library function.
+ */
+int snd_rawmidi_params_malloc(snd_rawmidi_params_t **params)
+{
+ assert(params);
+ *params = calloc(1, sizeof(snd_rawmidi_params_t));
+ if (!*params)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_rawmidi_params_t structure
+ * \param params pointer to the #snd_rawmidi_params_t structure to free
+ *
+ * Frees the given snd_rawmidi_params_t structure using the standard
+ * free C library function.
+ */
+void snd_rawmidi_params_free(snd_rawmidi_params_t *params)
+{
+ assert(params);
+ free(params);
+}
+
+/**
+ * \brief copy one snd_rawmidi_params_t structure to another
+ * \param dst destination snd_rawmidi_params_t structure
+ * \param src source snd_rawmidi_params_t structure
+ */
+void snd_rawmidi_params_copy(snd_rawmidi_params_t *dst, const snd_rawmidi_params_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief set rawmidi I/O ring buffer size
+ * \param rawmidi RawMidi handle
+ * \param params pointer to a snd_rawmidi_params_t structure
+ * \param val size in bytes
+ * \return 0 on success otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rawmidi ATTRIBUTE_UNUSED, snd_rawmidi_params_t *params, size_t val)
+#else
+int snd_rawmidi_params_set_buffer_size(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params, size_t val)
+#endif
+{
+ assert(rawmidi && params);
+ assert(val > params->avail_min);
+ params->buffer_size = val;
+ return 0;
+}
+
+/**
+ * \brief get rawmidi I/O ring buffer size
+ * \param params pointer to a snd_rawmidi_params_t structure
+ * \return size of rawmidi I/O ring buffer in bytes
+ */
+size_t snd_rawmidi_params_get_buffer_size(const snd_rawmidi_params_t *params)
+{
+ assert(params);
+ return params->buffer_size;
+}
+
+/**
+ * \brief set minimum available bytes in rawmidi I/O ring buffer for wakeup
+ * \param rawmidi RawMidi handle
+ * \param params pointer to a snd_rawmidi_params_t structure
+ * \param val desired value
+ */
+#ifndef DOXYGEN
+int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rawmidi ATTRIBUTE_UNUSED, snd_rawmidi_params_t *params, size_t val)
+#else
+int snd_rawmidi_params_set_avail_min(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params, size_t val)
+#endif
+{
+ assert(rawmidi && params);
+ assert(val < params->buffer_size);
+ params->avail_min = val;
+ return 0;
+}
+
+/**
+ * \brief get minimum available bytes in rawmidi I/O ring buffer for wakeup
+ * \param params pointer to snd_rawmidi_params_t structure
+ * \return minimum available bytes
+ */
+size_t snd_rawmidi_params_get_avail_min(const snd_rawmidi_params_t *params)
+{
+ assert(params);
+ return params->avail_min;
+}
+
+/**
+ * \brief set no-active-sensing action on snd_rawmidi_close()
+ * \param rawmidi RawMidi handle
+ * \param params pointer to snd_rawmidi_params_t structure
+ * \param val value: 0 = enable to send the active sensing message, 1 = disable
+ * \return 0 on success otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rawmidi ATTRIBUTE_UNUSED, snd_rawmidi_params_t *params, int val)
+#else
+int snd_rawmidi_params_set_no_active_sensing(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params, int val)
+#endif
+{
+ assert(rawmidi && params);
+ params->no_active_sensing = val;
+ return 0;
+}
+
+/**
+ * \brief get no-active-sensing action status
+ * \param params pointer to snd_rawmidi_params_t structure
+ * \return the current status (0 = enable, 1 = disable the active sensing message)
+ */
+int snd_rawmidi_params_get_no_active_sensing(const snd_rawmidi_params_t *params)
+{
+ assert(params);
+ return params->no_active_sensing;
+}
+
+/**
+ * \brief set parameters about rawmidi stream
+ * \param rawmidi RawMidi handle
+ * \param params pointer to a snd_rawmidi_params_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_rawmidi_params(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t * params)
+{
+ int err;
+ assert(rawmidi);
+ assert(params);
+ err = rawmidi->ops->params(rawmidi, params);
+ if (err < 0)
+ return err;
+ rawmidi->buffer_size = params->buffer_size;
+ rawmidi->avail_min = params->avail_min;
+ rawmidi->no_active_sensing = params->no_active_sensing;
+ return 0;
+}
+
+/**
+ * \brief get current parameters about rawmidi stream
+ * \param rawmidi RawMidi handle
+ * \param params pointer to a snd_rawmidi_params_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_rawmidi_params_current(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params)
+{
+ assert(rawmidi);
+ assert(params);
+ params->buffer_size = rawmidi->buffer_size;
+ params->avail_min = rawmidi->avail_min;
+ params->no_active_sensing = rawmidi->no_active_sensing;
+ return 0;
+}
+
+/**
+ * \brief get size of the snd_rawmidi_status_t structure in bytes
+ * \return size of the snd_rawmidi_status_t structure in bytes
+ */
+size_t snd_rawmidi_status_sizeof()
+{
+ return sizeof(snd_rawmidi_status_t);
+}
+
+/**
+ * \brief allocate the snd_rawmidi_status_t structure
+ * \param ptr returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_rawmidi_status_t structure using the standard
+ * malloc C library function.
+ */
+int snd_rawmidi_status_malloc(snd_rawmidi_status_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_rawmidi_status_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_rawmidi_status_t structure
+ * \param status pointer to the snd_rawmidi_status_t structure to free
+ *
+ * Frees the given snd_rawmidi_status_t structure using the standard
+ * free C library function.
+ */
+void snd_rawmidi_status_free(snd_rawmidi_status_t *status)
+{
+ assert(status);
+ free(status);
+}
+
+/**
+ * \brief copy one snd_rawmidi_status_t structure to another
+ * \param dst destination snd_rawmidi_status_t structure
+ * \param src source snd_rawmidi_status_t structure
+ */
+void snd_rawmidi_status_copy(snd_rawmidi_status_t *dst, const snd_rawmidi_status_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief get the start timestamp
+ * \param status pointer to a snd_rawmidi_status_t structure
+ * \param tstamp returned timestamp value
+ */
+void snd_rawmidi_status_get_tstamp(const snd_rawmidi_status_t *status, snd_htimestamp_t *tstamp)
+{
+ assert(status && tstamp);
+ *tstamp = status->tstamp;
+}
+
+/**
+ * \brief get current available bytes in the rawmidi I/O ring buffer
+ * \param status pointer to a snd_rawmidi_status_t structure
+ * \return current available bytes in the rawmidi I/O ring buffer
+ */
+size_t snd_rawmidi_status_get_avail(const snd_rawmidi_status_t *status)
+{
+ assert(status);
+ return status->avail;
+}
+
+/**
+ * \brief get count of xruns
+ * \param status pointer to a snd_rawmidi_status_t structure
+ * \return count of xruns
+ */
+size_t snd_rawmidi_status_get_xruns(const snd_rawmidi_status_t *status)
+{
+ assert(status);
+ return status->xruns;
+}
+
+/**
+ * \brief get status of rawmidi stream
+ * \param rawmidi RawMidi handle
+ * \param status pointer to a snd_rawmidi_status_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_rawmidi_status(snd_rawmidi_t *rawmidi, snd_rawmidi_status_t * status)
+{
+ assert(rawmidi);
+ assert(status);
+ return rawmidi->ops->status(rawmidi, status);
+}
+
+/**
+ * \brief drop all bytes in the rawmidi I/O ring buffer immediately
+ * \param rawmidi RawMidi handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_rawmidi_drop(snd_rawmidi_t *rawmidi)
+{
+ assert(rawmidi);
+ return rawmidi->ops->drop(rawmidi);
+}
+
+/**
+ * \brief drain all bytes in the rawmidi I/O ring buffer
+ * \param rawmidi RawMidi handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Waits until all MIDI bytes are not drained (sent) to the
+ * hardware device.
+ */
+int snd_rawmidi_drain(snd_rawmidi_t *rawmidi)
+{
+ assert(rawmidi);
+ return rawmidi->ops->drain(rawmidi);
+}
+
+/**
+ * \brief write MIDI bytes to MIDI stream
+ * \param rawmidi RawMidi handle
+ * \param buffer buffer containing MIDI bytes
+ * \param size output buffer size in bytes
+ */
+ssize_t snd_rawmidi_write(snd_rawmidi_t *rawmidi, const void *buffer, size_t size)
+{
+ assert(rawmidi);
+ assert(rawmidi->stream == SND_RAWMIDI_STREAM_OUTPUT);
+ assert(buffer || size == 0);
+ return rawmidi->ops->write(rawmidi, buffer, size);
+}
+
+/**
+ * \brief read MIDI bytes from MIDI stream
+ * \param rawmidi RawMidi handle
+ * \param buffer buffer to store the input MIDI bytes
+ * \param size input buffer size in bytes
+ */
+ssize_t snd_rawmidi_read(snd_rawmidi_t *rawmidi, void *buffer, size_t size)
+{
+ assert(rawmidi);
+ assert(rawmidi->stream == SND_RAWMIDI_STREAM_INPUT);
+ assert(buffer || size == 0);
+ return (rawmidi->ops->read)(rawmidi, buffer, size);
+}
+
+#ifndef DOC_HIDDEN
+int snd_rawmidi_conf_generic_id(const char *id)
+{
+ static const char ids[][8] = {
+ "comment",
+ "type",
+ "hint",
+ };
+ unsigned int k;
+
+ for (k = 0; k < sizeof ids / sizeof *ids; ++k) {
+ if (strcmp(id, ids[k]) == 0)
+ return 1;
+ }
+ return 0;
+}
+#endif
diff --git a/src/rawmidi/rawmidi_hw.c b/src/rawmidi/rawmidi_hw.c
new file mode 100644
index 0000000..e08dca7
--- /dev/null
+++ b/src/rawmidi/rawmidi_hw.c
@@ -0,0 +1,361 @@
+/*
+ * RawMIDI - Hardware
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ * Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "../control/control_local.h"
+#include "rawmidi_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_rawmidi_hw = "";
+#endif
+
+#define SNDRV_FILE_RAWMIDI ALSA_DEVICE_DIRECTORY "midiC%iD%i"
+#define SNDRV_RAWMIDI_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 0)
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ int open;
+ int fd;
+ int card, device, subdevice;
+} snd_rawmidi_hw_t;
+#endif
+
+static int snd_rawmidi_hw_close(snd_rawmidi_t *rmidi)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ int err = 0;
+
+ hw->open--;
+ if (hw->open)
+ return 0;
+ if (close(hw->fd)) {
+ err = -errno;
+ SYSERR("close failed\n");
+ }
+ free(hw);
+ return err;
+}
+
+static int snd_rawmidi_hw_nonblock(snd_rawmidi_t *rmidi, int nonblock)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ long flags;
+
+ if ((flags = fcntl(hw->fd, F_GETFL)) < 0) {
+ SYSERR("F_GETFL failed");
+ return -errno;
+ }
+ if (nonblock)
+ flags |= O_NONBLOCK;
+ else
+ flags &= ~O_NONBLOCK;
+ if (fcntl(hw->fd, F_SETFL, flags) < 0) {
+ SYSERR("F_SETFL for O_NONBLOCK failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_rawmidi_hw_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ info->stream = rmidi->stream;
+ if (ioctl(hw->fd, SNDRV_RAWMIDI_IOCTL_INFO, info) < 0) {
+ SYSERR("SNDRV_RAWMIDI_IOCTL_INFO failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_rawmidi_hw_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ params->stream = rmidi->stream;
+ if (ioctl(hw->fd, SNDRV_RAWMIDI_IOCTL_PARAMS, params) < 0) {
+ SYSERR("SNDRV_RAWMIDI_IOCTL_PARAMS failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_rawmidi_hw_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ status->stream = rmidi->stream;
+ if (ioctl(hw->fd, SNDRV_RAWMIDI_IOCTL_STATUS, status) < 0) {
+ SYSERR("SNDRV_RAWMIDI_IOCTL_STATUS failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_rawmidi_hw_drop(snd_rawmidi_t *rmidi)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ int str = rmidi->stream;
+ if (ioctl(hw->fd, SNDRV_RAWMIDI_IOCTL_DROP, &str) < 0) {
+ SYSERR("SNDRV_RAWMIDI_IOCTL_DROP failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_rawmidi_hw_drain(snd_rawmidi_t *rmidi)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ int str = rmidi->stream;
+ if (ioctl(hw->fd, SNDRV_RAWMIDI_IOCTL_DRAIN, &str) < 0) {
+ SYSERR("SNDRV_RAWMIDI_IOCTL_DRAIN failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static ssize_t snd_rawmidi_hw_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ ssize_t result;
+ result = write(hw->fd, buffer, size);
+ if (result < 0)
+ return -errno;
+ return result;
+}
+
+static ssize_t snd_rawmidi_hw_read(snd_rawmidi_t *rmidi, void *buffer, size_t size)
+{
+ snd_rawmidi_hw_t *hw = rmidi->private_data;
+ ssize_t result;
+ result = read(hw->fd, buffer, size);
+ if (result < 0)
+ return -errno;
+ return result;
+}
+
+static const snd_rawmidi_ops_t snd_rawmidi_hw_ops = {
+ .close = snd_rawmidi_hw_close,
+ .nonblock = snd_rawmidi_hw_nonblock,
+ .info = snd_rawmidi_hw_info,
+ .params = snd_rawmidi_hw_params,
+ .status = snd_rawmidi_hw_status,
+ .drop = snd_rawmidi_hw_drop,
+ .drain = snd_rawmidi_hw_drain,
+ .write = snd_rawmidi_hw_write,
+ .read = snd_rawmidi_hw_read,
+};
+
+
+int snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ const char *name, int card, int device, int subdevice,
+ int mode)
+{
+ int fd, ver, ret;
+ int attempt = 0;
+ char filename[sizeof(SNDRV_FILE_RAWMIDI) + 20];
+ snd_ctl_t *ctl;
+ snd_rawmidi_t *rmidi;
+ snd_rawmidi_hw_t *hw = NULL;
+ snd_rawmidi_info_t info;
+ int fmode;
+
+ if (inputp)
+ *inputp = NULL;
+ if (outputp)
+ *outputp = NULL;
+
+ if ((ret = snd_ctl_hw_open(&ctl, NULL, card, 0)) < 0)
+ return ret;
+ sprintf(filename, SNDRV_FILE_RAWMIDI, card, device);
+
+ __again:
+ if (attempt++ > 3) {
+ snd_ctl_close(ctl);
+ return -EBUSY;
+ }
+ ret = snd_ctl_rawmidi_prefer_subdevice(ctl, subdevice);
+ if (ret < 0) {
+ snd_ctl_close(ctl);
+ return ret;
+ }
+
+ if (!inputp)
+ fmode = O_WRONLY;
+ else if (!outputp)
+ fmode = O_RDONLY;
+ else
+ fmode = O_RDWR;
+
+ if (mode & SND_RAWMIDI_APPEND) {
+ assert(outputp);
+ fmode |= O_APPEND;
+ }
+
+ if (mode & SND_RAWMIDI_NONBLOCK) {
+ fmode |= O_NONBLOCK;
+ }
+
+ if (mode & SND_RAWMIDI_SYNC) {
+ fmode |= O_SYNC;
+ }
+
+ assert(!(mode & ~(SND_RAWMIDI_APPEND|SND_RAWMIDI_NONBLOCK|SND_RAWMIDI_SYNC)));
+
+ fd = snd_open_device(filename, fmode);
+ if (fd < 0) {
+ snd_card_load(card);
+ fd = snd_open_device(filename, fmode);
+ if (fd < 0) {
+ snd_ctl_close(ctl);
+ SYSERR("open %s failed", filename);
+ return -errno;
+ }
+ }
+ if (ioctl(fd, SNDRV_RAWMIDI_IOCTL_PVERSION, &ver) < 0) {
+ ret = -errno;
+ SYSERR("SNDRV_RAWMIDI_IOCTL_PVERSION failed");
+ close(fd);
+ snd_ctl_close(ctl);
+ return ret;
+ }
+ if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_RAWMIDI_VERSION_MAX)) {
+ close(fd);
+ snd_ctl_close(ctl);
+ return -SND_ERROR_INCOMPATIBLE_VERSION;
+ }
+ if (subdevice >= 0) {
+ memset(&info, 0, sizeof(info));
+ info.stream = outputp ? SNDRV_RAWMIDI_STREAM_OUTPUT : SNDRV_RAWMIDI_STREAM_INPUT;
+ if (ioctl(fd, SNDRV_RAWMIDI_IOCTL_INFO, &info) < 0) {
+ SYSERR("SNDRV_RAWMIDI_IOCTL_INFO failed");
+ ret = -errno;
+ close(fd);
+ snd_ctl_close(ctl);
+ return ret;
+ }
+ if (info.subdevice != (unsigned int) subdevice) {
+ close(fd);
+ goto __again;
+ }
+ }
+ snd_ctl_close(ctl);
+
+ hw = calloc(1, sizeof(snd_rawmidi_hw_t));
+ if (hw == NULL)
+ goto _nomem;
+ hw->card = card;
+ hw->device = device;
+ hw->subdevice = subdevice;
+ hw->fd = fd;
+
+ if (inputp) {
+ rmidi = calloc(1, sizeof(snd_rawmidi_t));
+ if (rmidi == NULL)
+ goto _nomem;
+ if (name)
+ rmidi->name = strdup(name);
+ rmidi->type = SND_RAWMIDI_TYPE_HW;
+ rmidi->stream = SND_RAWMIDI_STREAM_INPUT;
+ rmidi->mode = mode;
+ rmidi->poll_fd = fd;
+ rmidi->ops = &snd_rawmidi_hw_ops;
+ rmidi->private_data = hw;
+ hw->open++;
+ *inputp = rmidi;
+ }
+ if (outputp) {
+ rmidi = calloc(1, sizeof(snd_rawmidi_t));
+ if (rmidi == NULL)
+ goto _nomem;
+ if (name)
+ rmidi->name = strdup(name);
+ rmidi->type = SND_RAWMIDI_TYPE_HW;
+ rmidi->stream = SND_RAWMIDI_STREAM_OUTPUT;
+ rmidi->mode = mode;
+ rmidi->poll_fd = fd;
+ rmidi->ops = &snd_rawmidi_hw_ops;
+ rmidi->private_data = hw;
+ hw->open++;
+ *outputp = rmidi;
+ }
+ return 0;
+
+ _nomem:
+ close(fd);
+ free(hw);
+ if (inputp)
+ free(*inputp);
+ if (outputp)
+ free(*outputp);
+ return -ENOMEM;
+}
+
+int _snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ char *name, snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *conf, int mode)
+{
+ snd_config_iterator_t i, next;
+ long card = -1, device = 0, subdevice = -1;
+ const char *str;
+ int err;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_rawmidi_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "card") == 0) {
+ err = snd_config_get_integer(n, &card);
+ if (err < 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0)
+ return -EINVAL;
+ card = snd_card_get_index(str);
+ if (card < 0)
+ return card;
+ }
+ continue;
+ }
+ if (strcmp(id, "device") == 0) {
+ err = snd_config_get_integer(n, &device);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "subdevice") == 0) {
+ err = snd_config_get_integer(n, &subdevice);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ return -EINVAL;
+ }
+ if (card < 0)
+ return -EINVAL;
+ return snd_rawmidi_hw_open(inputp, outputp, name, card, device, subdevice, mode);
+}
+SND_DLSYM_BUILD_VERSION(_snd_rawmidi_hw_open, SND_RAWMIDI_DLSYM_VERSION);
diff --git a/src/rawmidi/rawmidi_local.h b/src/rawmidi/rawmidi_local.h
new file mode 100644
index 0000000..3388502
--- /dev/null
+++ b/src/rawmidi/rawmidi_local.h
@@ -0,0 +1,61 @@
+/*
+ * Rawmidi interface - local header file
+ * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "local.h"
+
+typedef struct {
+ int (*close)(snd_rawmidi_t *rawmidi);
+ int (*nonblock)(snd_rawmidi_t *rawmidi, int nonblock);
+ int (*info)(snd_rawmidi_t *rawmidi, snd_rawmidi_info_t *info);
+ int (*params)(snd_rawmidi_t *rawmidi, snd_rawmidi_params_t *params);
+ int (*status)(snd_rawmidi_t *rawmidi, snd_rawmidi_status_t *status);
+ int (*drop)(snd_rawmidi_t *rawmidi);
+ int (*drain)(snd_rawmidi_t *rawmidi);
+ ssize_t (*write)(snd_rawmidi_t *rawmidi, const void *buffer, size_t size);
+ ssize_t (*read)(snd_rawmidi_t *rawmidi, void *buffer, size_t size);
+} snd_rawmidi_ops_t;
+
+struct _snd_rawmidi {
+ void *dl_handle;
+ char *name;
+ snd_rawmidi_type_t type;
+ snd_rawmidi_stream_t stream;
+ int mode;
+ int poll_fd;
+ const snd_rawmidi_ops_t *ops;
+ void *private_data;
+ size_t buffer_size;
+ size_t avail_min;
+ unsigned int no_active_sensing: 1;
+};
+
+int snd_rawmidi_hw_open(snd_rawmidi_t **input, snd_rawmidi_t **output,
+ const char *name, int card, int device, int subdevice,
+ int mode);
+
+int snd_rawmidi_virtual_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ const char *name, snd_seq_t *seq_handle, int port,
+ int merge, int mode);
+
+int snd_rawmidi_conf_generic_id(const char *id);
diff --git a/src/rawmidi/rawmidi_symbols.c b/src/rawmidi/rawmidi_symbols.c
new file mode 100644
index 0000000..cdc06d7
--- /dev/null
+++ b/src/rawmidi/rawmidi_symbols.c
@@ -0,0 +1,36 @@
+/*
+ * RawMidi Symbols
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef PIC
+
+extern const char *_snd_module_rawmidi_hw;
+extern const char *_snd_module_rawmidi_virt;
+
+static const char **snd_rawmidi_open_objects[] = {
+ &_snd_module_rawmidi_hw,
+ &_snd_module_rawmidi_virt
+};
+
+void *snd_rawmidi_open_symbols(void)
+{
+ return snd_rawmidi_open_objects;
+}
+
+#endif /* !PIC */
diff --git a/src/rawmidi/rawmidi_virt.c b/src/rawmidi/rawmidi_virt.c
new file mode 100644
index 0000000..e5b17e4
--- /dev/null
+++ b/src/rawmidi/rawmidi_virt.c
@@ -0,0 +1,471 @@
+/*
+ * RawMIDI - Virtual (sequencer mode)
+ * Copyright (c) 2003 by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "rawmidi_local.h"
+#include "seq.h"
+#include "seq_midi_event.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_rawmidi_virt = "";
+#endif
+
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ int open;
+
+ snd_seq_t *handle;
+ int port;
+
+ snd_midi_event_t *midi_event;
+
+ snd_seq_event_t *in_event;
+ int in_buf_size;
+ int in_buf_ofs;
+ char *in_buf_ptr;
+ char in_tmp_buf[16];
+
+ snd_seq_event_t out_event;
+ int pending;
+} snd_rawmidi_virtual_t;
+
+int _snd_seq_open_lconf(snd_seq_t **seqp, const char *name,
+ int streams, int mode, snd_config_t *lconf,
+ snd_config_t *parent_conf);
+#endif
+
+static int snd_rawmidi_virtual_close(snd_rawmidi_t *rmidi)
+{
+ snd_rawmidi_virtual_t *virt = rmidi->private_data;
+ virt->open--;
+ if (virt->open)
+ return 0;
+ snd_seq_close(virt->handle);
+ if (virt->midi_event)
+ snd_midi_event_free(virt->midi_event);
+ free(virt);
+ return 0;
+}
+
+static int snd_rawmidi_virtual_nonblock(snd_rawmidi_t *rmidi, int nonblock)
+{
+ snd_rawmidi_virtual_t *virt = rmidi->private_data;
+
+ return snd_seq_nonblock(virt->handle, nonblock);
+}
+
+static int snd_rawmidi_virtual_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info)
+{
+ // snd_rawmidi_virtual_t *virt = rmidi->private_data;
+
+ info->stream = rmidi->stream;
+ /* FIXME: what values should be there? */
+ info->card = 0;
+ info->device = 0;
+ info->subdevice = 0;
+ info->flags = 0;
+ strcpy((char *)info->id, "Virtual");
+ strcpy((char *)info->name, "Virtual RawMIDI");
+ strcpy((char *)info->subname, "Virtual RawMIDI");
+ info->subdevices_count = 1;
+ info->subdevices_avail = 0;
+ return 0;
+}
+
+static int snd_rawmidi_virtual_input_params(snd_rawmidi_virtual_t *virt, snd_rawmidi_params_t *params)
+{
+ int err;
+
+ // snd_rawmidi_drain_input(substream);
+ if (params->buffer_size < sizeof(snd_seq_event_t) ||
+ params->buffer_size > 1024L * 1024L) {
+ return -EINVAL;
+ }
+ if (params->buffer_size != snd_seq_get_input_buffer_size(virt->handle)) {
+ err = snd_seq_set_input_buffer_size(virt->handle, params->buffer_size);
+ if (err < 0)
+ return err;
+ params->buffer_size = snd_seq_get_input_buffer_size(virt->handle);
+ /* FIXME: input pool size? */
+ }
+ return 0;
+}
+
+
+static int snd_rawmidi_virtual_output_params(snd_rawmidi_virtual_t *virt, snd_rawmidi_params_t *params)
+{
+ int err;
+
+ // snd_rawmidi_drain_output(substream);
+ if (params->buffer_size < sizeof(snd_seq_event_t) ||
+ params->buffer_size > 1024L * 1024L) {
+ return -EINVAL;
+ }
+ if (params->buffer_size != snd_seq_get_output_buffer_size(virt->handle)) {
+ err = snd_seq_set_output_buffer_size(virt->handle, params->buffer_size);
+ if (err < 0)
+ return err;
+ params->buffer_size = snd_seq_get_output_buffer_size(virt->handle);
+ }
+ return 0;
+}
+
+
+static int snd_rawmidi_virtual_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params)
+{
+ snd_rawmidi_virtual_t *virt = rmidi->private_data;
+ params->stream = rmidi->stream;
+
+ if (rmidi->stream == SND_RAWMIDI_STREAM_INPUT)
+ return snd_rawmidi_virtual_input_params(virt, params);
+ else
+ return snd_rawmidi_virtual_output_params(virt, params);
+}
+
+static int snd_rawmidi_virtual_status(snd_rawmidi_t *rmidi, snd_rawmidi_status_t * status)
+{
+ // snd_rawmidi_virtual_t *virt = rmidi->private_data;
+ memset(status, 0, sizeof(*status));
+ status->stream = rmidi->stream;
+ return 0;
+}
+
+static int snd_rawmidi_virtual_drop(snd_rawmidi_t *rmidi)
+{
+ snd_rawmidi_virtual_t *virt = rmidi->private_data;
+ if (rmidi->stream == SND_RAWMIDI_STREAM_OUTPUT) {
+ snd_seq_drop_output(virt->handle);
+ snd_midi_event_reset_encode(virt->midi_event);
+ virt->pending = 0;
+ } else {
+ snd_seq_drop_input(virt->handle);
+ snd_midi_event_reset_decode(virt->midi_event);
+ virt->in_buf_ofs = 0;
+ }
+ return 0;
+}
+
+static int snd_rawmidi_virtual_drain(snd_rawmidi_t *rmidi)
+{
+ snd_rawmidi_virtual_t *virt = rmidi->private_data;
+ int err;
+
+ if (rmidi->stream == SND_RAWMIDI_STREAM_OUTPUT) {
+ if (virt->pending) {
+ err = snd_seq_event_output(virt->handle, &virt->out_event);
+ if (err < 0)
+ return err;
+ virt->pending = 0;
+ }
+ snd_seq_drain_output(virt->handle);
+ snd_seq_sync_output_queue(virt->handle);
+ }
+ return snd_rawmidi_virtual_drop(rmidi);
+}
+
+static ssize_t snd_rawmidi_virtual_write(snd_rawmidi_t *rmidi, const void *buffer, size_t size)
+{
+ snd_rawmidi_virtual_t *virt = rmidi->private_data;
+ ssize_t result = 0;
+ ssize_t size1;
+ int err;
+
+ if (virt->pending) {
+ err = snd_seq_event_output(virt->handle, &virt->out_event);
+ if (err < 0) {
+ if (err != -EAGAIN)
+ /* we got some fatal error. removing this event
+ * at the next time
+ */
+ virt->pending = 0;
+ return err;
+ }
+ virt->pending = 0;
+ }
+
+ while (size > 0) {
+ size1 = snd_midi_event_encode(virt->midi_event, buffer, size, &virt->out_event);
+ if (size1 <= 0)
+ break;
+ size -= size1;
+ result += size1;
+ buffer += size1;
+ if (virt->out_event.type == SND_SEQ_EVENT_NONE)
+ continue;
+ snd_seq_ev_set_subs(&virt->out_event);
+ snd_seq_ev_set_source(&virt->out_event, virt->port);
+ snd_seq_ev_set_direct(&virt->out_event);
+ err = snd_seq_event_output(virt->handle, &virt->out_event);
+ if (err < 0) {
+ virt->pending = 1;
+ return result > 0 ? result : err;
+ }
+ }
+
+ if (result > 0)
+ snd_seq_drain_output(virt->handle);
+
+ return result;
+}
+
+static ssize_t snd_rawmidi_virtual_read(snd_rawmidi_t *rmidi, void *buffer, size_t size)
+{
+ snd_rawmidi_virtual_t *virt = rmidi->private_data;
+ ssize_t result = 0;
+ int size1, err;
+
+ while (size > 0) {
+ if (! virt->in_buf_ofs) {
+ err = snd_seq_event_input_pending(virt->handle, 1);
+ if (err <= 0 && result > 0)
+ return result;
+ err = snd_seq_event_input(virt->handle, &virt->in_event);
+ if (err < 0)
+ return result > 0 ? result : err;
+
+ if (virt->in_event->type == SND_SEQ_EVENT_SYSEX) {
+ virt->in_buf_ptr = virt->in_event->data.ext.ptr;
+ virt->in_buf_size = virt->in_event->data.ext.len;
+ } else {
+ virt->in_buf_ptr = virt->in_tmp_buf;
+ virt->in_buf_size = snd_midi_event_decode(virt->midi_event,
+ (unsigned char *)virt->in_tmp_buf,
+ sizeof(virt->in_tmp_buf),
+ virt->in_event);
+ }
+ if (virt->in_buf_size <= 0)
+ continue;
+ }
+ size1 = virt->in_buf_size - virt->in_buf_ofs;
+ if ((size_t)size1 > size) {
+ virt->in_buf_ofs += size1 - size;
+ memcpy(buffer, virt->in_buf_ptr, size);
+ result += size;
+ break;
+ }
+ memcpy(buffer, virt->in_buf_ptr + virt->in_buf_ofs, size1);
+ size -= size1;
+ result += size1;
+ buffer += size1;
+ virt->in_buf_ofs = 0;
+ }
+
+ return result;
+}
+
+static const snd_rawmidi_ops_t snd_rawmidi_virtual_ops = {
+ .close = snd_rawmidi_virtual_close,
+ .nonblock = snd_rawmidi_virtual_nonblock,
+ .info = snd_rawmidi_virtual_info,
+ .params = snd_rawmidi_virtual_params,
+ .status = snd_rawmidi_virtual_status,
+ .drop = snd_rawmidi_virtual_drop,
+ .drain = snd_rawmidi_virtual_drain,
+ .write = snd_rawmidi_virtual_write,
+ .read = snd_rawmidi_virtual_read,
+};
+
+
+/*! \page rawmidi RawMidi interface
+
+\section rawmidi_virt Virtual RawMidi interface
+
+The "virtual" plugin creates a virtual RawMidi instance on the ALSA
+sequencer, which can be accessed through the connection of the sequencer
+ports.
+There is no connection established as default.
+
+For creating a virtual RawMidi instance, pass "virtual" as its name at
+creation.
+
+Example:
+\code
+snd_rawmidi_open(&read_handle, &write_handle, "virtual", 0);
+\endcode
+
+*/
+
+int snd_rawmidi_virtual_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ const char *name, snd_seq_t *seq_handle, int port,
+ int merge, int mode)
+{
+ int err;
+ snd_rawmidi_t *rmidi;
+ snd_rawmidi_virtual_t *virt = NULL;
+ struct pollfd pfd;
+
+ if (inputp)
+ *inputp = 0;
+ if (outputp)
+ *outputp = 0;
+
+ virt = calloc(1, sizeof(*virt));
+ if (virt == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ virt->handle = seq_handle;
+ virt->port = port;
+ err = snd_midi_event_new(256, &virt->midi_event);
+ if (err < 0)
+ goto _err;
+ snd_midi_event_init(virt->midi_event);
+ snd_midi_event_no_status(virt->midi_event, !merge);
+
+ if (inputp) {
+ rmidi = calloc(1, sizeof(*rmidi));
+ if (rmidi == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ if (name)
+ rmidi->name = strdup(name);
+ rmidi->type = SND_RAWMIDI_TYPE_VIRTUAL;
+ rmidi->stream = SND_RAWMIDI_STREAM_INPUT;
+ rmidi->mode = mode;
+ err = snd_seq_poll_descriptors(seq_handle, &pfd, 1, POLLIN);
+ if (err < 0)
+ goto _err;
+ rmidi->poll_fd = pfd.fd;
+ rmidi->ops = &snd_rawmidi_virtual_ops;
+ rmidi->private_data = virt;
+ virt->open++;
+ *inputp = rmidi;
+ }
+ if (outputp) {
+ rmidi = calloc(1, sizeof(*rmidi));
+ if (rmidi == NULL) {
+ err = -ENOMEM;
+ goto _err;
+ }
+ if (name)
+ rmidi->name = strdup(name);
+ rmidi->type = SND_RAWMIDI_TYPE_VIRTUAL;
+ rmidi->stream = SND_RAWMIDI_STREAM_OUTPUT;
+ rmidi->mode = mode;
+ err = snd_seq_poll_descriptors(seq_handle, &pfd, 1, POLLOUT);
+ if (err < 0)
+ goto _err;
+ rmidi->poll_fd = pfd.fd;
+ rmidi->ops = &snd_rawmidi_virtual_ops;
+ rmidi->private_data = virt;
+ virt->open++;
+ *outputp = rmidi;
+ }
+
+ return 0;
+
+ _err:
+ if (seq_handle)
+ snd_seq_close(seq_handle);
+ if (virt) {
+ if (virt->midi_event)
+ snd_midi_event_free(virt->midi_event);
+ free(virt);
+ }
+ if (inputp)
+ free(*inputp);
+ if (outputp)
+ free(*outputp);
+ return err;
+}
+
+int _snd_rawmidi_virtual_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
+ char *name, snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *conf, int mode)
+{
+ snd_config_iterator_t i, next;
+ const char *slave_str = NULL;
+ int err;
+ int streams, seq_mode;
+ int merge = 1;
+ int port;
+ unsigned int caps;
+ snd_seq_t *seq_handle;
+
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (snd_rawmidi_conf_generic_id(id))
+ continue;
+ if (strcmp(id, "slave") == 0) {
+ err = snd_config_get_string(n, &slave_str);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "merge") == 0) {
+ merge = snd_config_get_bool(n);
+ continue;
+ }
+ return -EINVAL;
+ }
+
+ streams = 0;
+ if (inputp)
+ streams |= SND_SEQ_OPEN_INPUT;
+ if (outputp)
+ streams |= SND_SEQ_OPEN_OUTPUT;
+ if (! streams)
+ return -EINVAL;
+
+ seq_mode = 0;
+ if (mode & SND_RAWMIDI_NONBLOCK)
+ seq_mode |= SND_SEQ_NONBLOCK;
+
+ if (! slave_str)
+ slave_str = "default";
+ err = _snd_seq_open_lconf(&seq_handle, slave_str, streams, seq_mode,
+ root, conf);
+ if (err < 0)
+ return err;
+
+ caps = 0;
+ if (inputp)
+ caps |= SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SYNC_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE;
+ if (outputp)
+ caps |= SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SYNC_READ | SND_SEQ_PORT_CAP_SUBS_READ;
+ if (inputp && outputp)
+ caps |= SNDRV_SEQ_PORT_CAP_DUPLEX;
+
+ port = snd_seq_create_simple_port(seq_handle, "Virtual RawMIDI",
+ caps, SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC);
+ if (port < 0) {
+ snd_seq_close(seq_handle);
+ return port;
+ }
+
+ return snd_rawmidi_virtual_open(inputp, outputp, name, seq_handle, port,
+ merge, mode);
+}
+
+#ifndef DOC_HIDDEN
+SND_DLSYM_BUILD_VERSION(_snd_rawmidi_virtual_open, SND_RAWMIDI_DLSYM_VERSION);
+#endif
diff --git a/src/seq/Android.mk b/src/seq/Android.mk
new file mode 100644
index 0000000..0144688
--- /dev/null
+++ b/src/seq/Android.mk
@@ -0,0 +1,15 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ seq.c \
+ seq_event.c \
+ seq_hw.c \
+ seqmid.c \
+ seq_midi_event.c \
+ seq_old.c \
+ seq_symbols.c
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../include
+LOCAL_MODULE := libseq
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/seq/Makefile.am b/src/seq/Makefile.am
new file mode 100644
index 0000000..6cefe39
--- /dev/null
+++ b/src/seq/Makefile.am
@@ -0,0 +1,13 @@
+EXTRA_LTLIBRARIES=libseq.la
+
+libseq_la_SOURCES = seq_hw.c seq.c seq_event.c seqmid.c seq_midi_event.c \
+ seq_symbols.c
+if KEEP_OLD_SYMBOLS
+libseq_la_SOURCES += seq_old.c
+endif
+noinst_HEADERS = seq_local.h
+
+all: libseq.la
+
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/seq/Makefile.in b/src/seq/Makefile.in
new file mode 100644
index 0000000..37f241f
--- /dev/null
+++ b/src/seq/Makefile.in
@@ -0,0 +1,553 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+@KEEP_OLD_SYMBOLS_TRUE@am__append_1 = seq_old.c
+subdir = src/seq
+DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
+ $(srcdir)/Makefile.in $(top_srcdir)/depcomp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+libseq_la_LIBADD =
+am__libseq_la_SOURCES_DIST = seq_hw.c seq.c seq_event.c seqmid.c \
+ seq_midi_event.c seq_symbols.c seq_old.c
+@KEEP_OLD_SYMBOLS_TRUE@am__objects_1 = seq_old.lo
+am_libseq_la_OBJECTS = seq_hw.lo seq.lo seq_event.lo seqmid.lo \
+ seq_midi_event.lo seq_symbols.lo $(am__objects_1)
+libseq_la_OBJECTS = $(am_libseq_la_OBJECTS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo " GEN " $@;
+am__v_GEN_1 =
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 =
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
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+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo " CC " $@;
+am__v_CC_1 =
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo " CCLD " $@;
+am__v_CCLD_1 =
+SOURCES = $(libseq_la_SOURCES)
+DIST_SOURCES = $(am__libseq_la_SOURCES_DIST)
+am__can_run_installinfo = \
+ case $$AM_UPDATE_INFO_DIR in \
+ n|no|NO) false;; \
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+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALSA_CONFIG_DIR = @ALSA_CONFIG_DIR@
+ALSA_DEPLIBS = @ALSA_DEPLIBS@
+ALSA_PKGCONF_DIR = @ALSA_PKGCONF_DIR@
+ALSA_PLUGIN_DIR = @ALSA_PLUGIN_DIR@
+AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+AR = @AR@
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+DSYMUTIL = @DSYMUTIL@
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+MANIFEST_TOOL = @MANIFEST_TOOL@
+MKDIR_P = @MKDIR_P@
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+OBJEXT = @OBJEXT@
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+OTOOL64 = @OTOOL64@
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+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
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+PACKAGE_STRING = @PACKAGE_STRING@
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+build_cpu = @build_cpu@
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+build_vendor = @build_vendor@
+builddir = @builddir@
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+datarootdir = @datarootdir@
+docdir = @docdir@
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+top_srcdir = @top_srcdir@
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+ seq_midi_event.c seq_symbols.c $(am__append_1)
+noinst_HEADERS = seq_local.h
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+
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+ @for dep in $?; do \
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+ esac; \
+ done; \
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+ $(am__cd) $(top_srcdir) && \
+ $(AUTOMAKE) --foreign src/seq/Makefile
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+
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+
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+ -rm -f *.tab.c
+
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+
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+
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+@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
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+
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+
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+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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+ fi
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+
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+all: libseq.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/seq/seq.c b/src/seq/seq.c
new file mode 100644
index 0000000..620ca3f
--- /dev/null
+++ b/src/seq/seq.c
@@ -0,0 +1,4783 @@
+/**
+ * \file seq/seq.c
+ * \brief Sequencer Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2000-2001
+ *
+ * See \ref seq page for more details.
+ */
+
+/*
+ * Sequencer Interface - main file
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page seq Sequencer interface
+
+\section seq_general General
+
+The ALSA sequencer interface is designed to deliver the MIDI-like
+events between clients/ports.
+A typical usage is the MIDI patch-bay. A MIDI application can be
+connected arbitrarily from/to the other MIDI clients.
+The routing between clients can be changed dynamically, so the
+application can handle incoming or outgoing MIDI events regardless of
+the devices or the application connections.
+
+The sequencer core stuff only takes care of two things:
+scheduling events and dispatching them to the destination at the
+right time. All processing of MIDI events has to be done within the clients.
+The event can be dispatched immediately without queueing, too.
+The event scheduling can be done either on a MIDI tempo queue or
+on a wallclock-time queue.
+
+\section seq_client Client and Port
+
+A <i>client</i> is created at each time #snd_seq_open() is called.
+Later on, the attributes of client such as its name string can be changed
+via #snd_seq_set_client_info(). There are helper functions for ease of use,
+e.g. #snd_seq_set_client_name() and #snd_seq_set_client_event_filter().
+A typical code would be like below:
+\code
+// create a new client
+snd_seq_t *open_client()
+{
+ snd_seq_t *handle;
+ int err;
+ err = snd_seq_open(&handle, "default", SND_SEQ_OPEN_INPUT, 0);
+ if (err < 0)
+ return NULL;
+ snd_seq_set_client_name(handle, "My Client");
+ return handle;
+}
+\endcode
+
+You'll need to know the id number of the client eventually, for example,
+when accessing to a certain port (see the section \ref seq_subs).
+The client id can be obtained by #snd_seq_client_id() function.
+
+A client can have one or more <i>ports</i> to communicate between other
+clients. A port is corresponding to the MIDI port in the case of MIDI device,
+but in general it is nothing but the access point between other clients.
+Each port may have capability flags, which specify the read/write
+accessibility and subscription permissions of the port.
+For creation of a port, call #snd_seq_create_port()
+with the appropriate port attribute specified in #snd_seq_port_info_t
+record.
+
+For creating a port for the normal use, there is a helper function
+#snd_seq_create_simple_port(). An example with this function is like below.
+\code
+// create a new port; return the port id
+// port will be writable and accept the write-subscription.
+int my_new_port(snd_seq_t *handle)
+{
+ return snd_seq_create_simple_port(handle, "my port",
+ SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE,
+ SND_SEQ_PORT_TYPE_MIDI_GENERIC);
+}
+\endcode
+
+\section seq_memory Memory Pool
+
+Each client owns memory pools on kernel space
+for each input and output events.
+Here, input and output mean
+input (read) from other clients and output (write) to others, respectively.
+Since memory pool of each client is independent from others,
+it avoids such a situation that a client eats the whole events pool
+and interfere other clients' response.
+
+The all scheduled output events or input events from dispatcher are stored
+on these pools until delivered to other clients or extracted to user space.
+The size of input/output pools can be changed independently.
+The output pool has also a room size, which is used to wake up the
+thread when it falls into sleep in blocking write mode.
+
+Note that ports on the same client share the same memory pool.
+If a port fills the memory pool, another can't use it any more.
+For avoiding this, multiple clients can be used.
+
+For chancing the pool size and the condition, access to #snd_seq_client_pool_t
+record. There are helper functions, #snd_seq_set_client_pool_output(),
+#snd_seq_set_client_pool_output_room() and #snd_seq_set_client_pool_input(),
+for setting the total output-pool size, the output-room size and the input-pool
+size, respectively.
+
+\section seq_subs Subscription
+
+One of the new features in ALSA sequencer system is <i>subscription</i> of ports.
+In general, subscription is a connection between two sequencer ports.
+Even though an event can be delivered to a port without subscription
+using an explicit destination address,
+the subscription mechanism provides us more abstraction.
+
+Suppose a MIDI input device which sends events from a keyboard.
+The port associated with this device has READ capability - which means
+this port is readable from other ports.
+If a user program wants to capture events from keyboard and store them
+as MIDI stream, this program must subscribe itself to the MIDI port
+for read.
+Then, a connection from MIDI input port to this program is established.
+From this time, events from keyboard are automatically sent to this program.
+Timestamps will be updated according to the subscribed queue.
+\code
+ MIDI input port (keyboard)
+ |
+ V
+ ALSA sequencer - update timestamp
+ |
+ V
+ application port
+\endcode
+
+There is another subscription type for opposite direction:
+Suppose a MIDI sequencer program which sends events to a MIDI output device.
+In ALSA system, MIDI device is not opened until the associated MIDI port
+is accessed. Thus, in order to activate MIDI device, we have to subscribe
+to MIDI port for write.
+After this connection is established, events will be properly sent
+to MIDI output device.
+\code
+ application port
+ |
+ V
+ ALSA sequencer - events are scheduled
+ |
+ V
+ MIDI output port (WaveTable etc.)
+\endcode
+
+From the viewpoint of subscription, the examples above are special cases.
+Basically, subscription means the connection between two arbitrary ports.
+For example, imagine a filter application which modifies
+the MIDI events like program, velocity or chorus effects.
+This application can accept arbitrary MIDI input
+and send to arbitrary port, just like a Unix pipe application using
+stdin and stdout files.
+We can even connect several filter applications which work individually
+in order to process the MIDI events.
+Subscription can be used for this purpose.
+The connection between ports can be done also by the "third" client.
+Thus, filter applications have to manage
+only input and output events regardless of receiver/sender addresses.
+\code
+ sequencer port #1
+ |
+ V
+ ALSA sequencer (scheduled or real-time)
+ |
+ V
+ sequencer port #2
+\endcode
+
+For the detail about subscription, see the section \ref seq_subs_more.
+
+\section seq_events Sequencer Events
+
+Messaging between clients is performed by sending events from one client to
+another. These events contain high-level MIDI oriented messages or sequencer
+specific messages.
+
+All the sequencer events are stored in a sequencer event record,
+#snd_seq_event_t type.
+Application can send and receive these event records to/from other
+clients via sequencer.
+An event has several storage types according to its usage.
+For example, a SYSEX message is stored on the variable length event,
+and a large synth sample data is delivered using a user-space data pointer.
+
+
+\subsection seq_ev_struct Structure of an event
+
+An event consists of the following items:
+<ul>
+<li>The type of the event
+<li>Event flags. It describes various conditions:
+ <ul>
+ <li>time stamp; "real time" / "song ticks"
+ <li>time mode; "absolute" / "relative to current time"
+ </ul>
+<li>Timestamp of the event.
+<li>Scheduling queue id.
+<li>Source address of the event, given by the combination
+ of client id and port id numbers.
+<li>Destination address of the event.
+<li>The actual event data. (up to 12 bytes)
+</ul>
+
+The actual record is shown in #snd_seq_event_t.
+The type field contains the type of the event
+(1 byte).
+The flags field consists of bit flags which
+describe several conditions of the event (1 byte).
+It includes the time-stamp mode, data storage type, and scheduling priority.
+The tag field is an arbitrary tag.
+This tag can used for removing a distinct event from the event queue
+via #snd_seq_remove_events().
+The queue field is the queue id for scheduling.
+The source and dest fields are source and destination addresses.
+The data field is a union of event data.
+
+\subsection seq_ev_queue Scheduling queue
+
+An event can be delivered either on scheduled or direct dispatch mode.
+On the scheduling mode, an event is once stored on the priority queue
+and delivered later (or even immediately) to the destination,
+whereas on the direct dispatch mode, an event is passed to the destination
+without any queue.
+
+For a scheduled delivery, a queue to process the event must exist.
+Usually, a client creates its own queue by
+#snd_seq_alloc_queue() function.
+Alternatively, a queue may be shared among several clients.
+For scheduling an event on the specified queue,
+a client needs to fill queue field
+with the preferred queue id.
+
+Meanwhile, for dispatching an event directly, just
+use #SND_SEQ_QUEUE_DIRECT as the target queue id.
+A macro #snd_seq_ev_set_direct() is provided for ease
+and compatibility.
+
+Note that scheduling at the current or earlier time is different
+from the direct dispatch mode even though the event is delivered immediately.
+On the former scheme, an event is once stored on priority queue, then
+delivered actually. Thus, it acquires a space from memory pool.
+On the other hand, the latter is passed without using memory pool.
+Although the direct dispatched event needs less memory, it means also
+that the event cannot be resent if the destination is unable to receive it
+momentarily.
+
+\subsection seq_ev_time Time stamp
+
+The timestamp of the event can either specified in
+<i>real time</i> or in <i>song ticks</i>.
+The former means the wallclock time while the latter corresponds to
+the MIDI ticks.
+Which format is used is determined by the event flags.
+
+The resolution of real-time value is in nano second.
+Since 64 bit length is required for the actual time calculation,
+it is represented by
+a structure of pair of second and nano second
+defined as #snd_seq_real_time_t type.
+The song tick is defined simply as a 32 bit integer,
+defined as #snd_seq_tick_time_t type.
+The time stored in an event record is a union of these two different
+time values.
+
+Note that the time format used for real time events is very similar to
+timeval struct used for Unix system time.
+The absurd resolution of the timestamps allows us to perform very accurate
+conversions between songposition and real time. Round-off errors can be
+neglected.
+
+If a timestamp with a
+<i>relative</i> timestamp is delivered to ALSA, the
+specified timestamp will be used as an offset to the current time of the
+queue the event is sent into.
+An <i>absolute</i> timestamp is on the contrary the time
+counted from the moment when the queue started.
+
+An client that relies on these relative timestamps is the MIDI input port.
+As each sequencer queue has it's own clock the only way to deliver events at
+the right time is by using the relative timestamp format. When the event
+arrives at the queue it is normalized to absolute format.
+
+The timestamp format is specified in the flag bitfield masked by
+#SND_SEQ_TIME_STAMP_MASK.
+To schedule the event in a real-time queue or in a tick queue,
+macros #snd_seq_ev_schedule_real() and
+#snd_seq_ev_schedule_tick() are provided, respectively.
+
+\subsection seq_ev_addr Source and destination addresses
+
+To identify the source and destination of an event, the addressing field
+contains a combination of client id and port id numbers, defined as
+#snd_seq_addr_t type.
+When an event is passed to sequencer from a client, sequencer fills
+source.client field
+with the sender's id automatically.
+It is the responsibility of sender client to
+fill the port id of source.port and
+both client and port of dest field.
+
+If an existing address is set to the destination,
+the event is simply delivered to it.
+When #SND_SEQ_ADDRESS_SUBSCRIBERS is set to the destination client id,
+the event is delivered to all the clients connected to the source port.
+
+
+A sequencer core has two pre-defined system ports on the system client
+#SND_SEQ_CLIENT_SYSTEM: #SND_SEQ_PORT_SYSTEM_TIMER and #SND_SEQ_PORT_SYSTEM_ANNOUNCE.
+The #SND_SEQ_PORT_SYSTEM_TIMER is the system timer port,
+and #SND_SEQ_PORT_SYSTEM_ANNOUNCE is the system
+announce port.
+In order to control a queue from a client, client should send a
+queue-control event
+like start, stop and continue queue, change tempo, etc.
+to the system timer port.
+Then the sequencer system handles the queue according to the received event.
+This port supports subscription. The received timer events are
+broadcasted to all subscribed clients.
+
+The latter port does not receive messages but supports subscription.
+When each client or port is attached, detached or modified,
+an announcement is sent to subscribers from this port.
+
+\subsection seq_ev_data Data storage type
+
+Some events like SYSEX message, however, need larger data space
+than the standard data.
+For such events, ALSA sequencer provides several different data storage types.
+The data type is specified in the flag bits masked by #SND_SEQ_EVENT_LENGTH_MASK.
+The following data types are available:
+
+\par Fixed size data
+Normal events stores their parameters on
+data field (12 byte).
+The flag-bit type is #SND_SEQ_EVENT_LENGTH_FIXED.
+A macro #snd_seq_ev_set_fixed() is provided to set this type.
+
+\par Variable length data
+SYSEX or a returned error use this type.
+The actual data is stored on an extra allocated space.
+On sequencer kernel, the whole extra-data is duplicated, so that the event
+can be scheduled on queue.
+The data contains only the length and the
+pointer of extra-data.
+The flag-bit type is #SND_SEQ_EVENT_LENGTH_VARIABLE.
+A macro #snd_seq_ev_set_variable() is provided to set this type.
+
+\par User-space data
+This type refers also an extra data space like variable length data,
+but the extra-data is not duplicated but
+but referred as a user-space data on kernel,
+so that it reduces the time and resource for transferring
+large bulk of data like synth sample wave.
+This data type, however, can be used only for direct dispatch mode,
+and supposed to be used only for a special purpose like a bulk data
+transfer.
+The data length and pointer are stored also in
+data.ext field as well as variable length data.
+The flag-bit type is #SND_SEQ_EVENT_LENGTH_VARUSR.
+A macro #snd_seq_ev_set_varusr() is provided to set this type.
+
+\subsection seq_ev_sched Scheduling priority
+
+There are two priorities for scheduling:
+\par Normal priority
+If an event with the same scheduling time is already present on the queue,
+the new event is appended to the older.
+\par High priority
+If an event with the same scheduling time is already present on the queue,
+the new event is inserted before others.
+
+The scheduling priority is set in the flag bitfeld masked by #SND_SEQ_PRIORITY_MASK.
+A macro #snd_seq_ev_set_priority() is provided to set the mode type.
+
+\section seq_queue Event Queues
+\subsection seq_ev_control Creation of a queue
+
+Creating a queue is done usually by calling #snd_seq_alloc_queue.
+You can create a queue with a certain name by #snd_seq_alloc_named_queue(), too.
+\code
+// create a queue and return its id
+int my_queue(snd_seq_t *handle)
+{
+ return snd_seq_alloc_named_queue(handle, "my queue");
+}
+\endcode
+These functions are the wrapper to the function #snd_seq_create_queue().
+For releasing the allocated queue, call #snd_seq_free_queue() with the
+obtained queue id.
+
+Once when a queue is created, the two queues are associated to that
+queue record in fact: one is the realtime queue and another is the
+tick queue. These two queues are bound together to work
+synchronously. Hence, when you schedule an event, you have to choose
+which queue type is used as described in the section \ref
+seq_ev_time.
+
+\subsection seq_ev_tempo Setting queue tempo
+
+The tempo (or the speed) of the scheduling queue is variable.
+In the case of <i>tick</i> queue, the tempo is controlled
+in the manner of MIDI. There are two parameters to define the
+actual tempo, PPQ (pulse per quarter note) and MIDI tempo.
+The former defines the base resolution of the ticks, while
+the latter defines the beat tempo in microseconds.
+As default, 96 PPQ and 120 BPM are used, respectively.
+That is, the tempo is set to 500000 (= 60 * 1000000 / 120).
+Note that PPQ cannot be changed while the queue is running.
+It must be set before the queue is started.
+
+On the other hand, in the case of <i>realtime</i> queue, the
+time resolution is fixed to nanoseconds. There is, however,
+a parameter to change the speed of this queue, called <i>skew</i>.
+You can make the queue faster or slower by setting the skew value
+bigger or smaller. In the API, the skew is defined by two values,
+the skew base and the skew value. The actual skew is the fraction
+of them, <i>value/base</i>. As default, the skew base is set to 16bit
+(0x10000) and the skew value is the identical, so that the queue is
+processed as well as in the real world.
+
+When the tempo of realtime queue is changed, the tempo of
+the associated tick queue is changed together, too.
+That's the reason why two queues are created always.
+This feature can be used to synchronize the event queue with
+the external synchronization source like SMPTE. In such a case,
+the realtime queue is skewed to match with the external source,
+so that both the realtime timestamp and the MIDI timestamp are
+synchronized.
+
+For setting these tempo parameters, use #snd_seq_queue_tempo_t record.
+For example, to set the tempo of the queue <code>q</code> to
+48 PPQ, 60 BPM,
+\code
+void set_tempo(snd_seq_t *handle)
+{
+ snd_seq_queue_tempo_t *tempo;
+ snd_seq_queue_tempo_alloca(&tempo);
+ snd_seq_queue_tempo_set_tempo(tempo, 1000000); // 60 BPM
+ snd_seq_queue_tempo_set_ppq(tempo, 48); // 48 PPQ
+ snd_seq_set_queue_tempo(handle, tempo);
+}
+\endcode
+
+For changing the (running) queue's tempo on the fly, you can either
+set the tempo via #snd_seq_set_queue_tempo() or send a MIDI tempo event
+to the system timer port. For example,
+\code
+int change_tempo(snd_seq_t *handle, int q, unsigned int tempo)
+{
+ snd_seq_event_t ev;
+ snd_seq_ev_clear(&ev);
+ ev.dest.client = SND_SEQ_CLIENT_SYSTEM;
+ ev.dest.port = SND_SEQ_PORT_SYSTEM_TIMER;
+ ev.source.client = my_client_id;
+ ev.source.port = my_port_id;
+ ev.queue = SND_SEQ_QUEUE_DIRECT; // no scheduling
+ ev.data.queue.queue = q; // affected queue id
+ ev.data.queue.value = tempo; // new tempo in microsec.
+ return snd_seq_event_output(handle, &ev);
+}
+\endcode
+There is a helper function to do this easily,
+#snd_seq_change_queue_tempo().
+Set NULL to the last argument, if you don't need any
+special settings.
+
+In the above example, the tempo is changed immediately after
+the buffer is flushed by #snd_seq_drain_output() call.
+You can schedule the event in a certain queue so that the tempo
+change happens at the scheduled time, too.
+
+\subsection seq_ev_start Starting and stopping a queue
+
+To start, stop, or continue a queue, you need to send a queue-control
+event to the system timer port as well. There are helper functions,
+#snd_seq_start_queue(), #snd_seq_stop_queue() and
+#snd_seq_continue_queue().
+Note that if the last argument of these functions is NULL, the
+event is sent (i.e. operated) immediately after the buffer flush.
+If you want to schedule the event at the certain time, set up
+the event record and provide the pointer of that event record as the
+argument.
+
+Only calling these functions doesn't deliver the event to the
+sequencer core but only put to the output buffer. You'll need to
+call #snd_seq_drain_output() eventually.
+
+
+\section seq_subs_more More inside the subscription
+
+\subsection seq_subs_perm Permissions
+
+Each ALSA port can have capability flags.
+The most basic capability flags are
+#SND_SEQ_PORT_CAP_READ and #SND_SEQ_PORT_CAP_WRITE.
+The former means that the port allows to send events to other ports,
+whereas the latter capability means
+that the port allows to receive events from other ports.
+You may have noticed that meanings of \c READ and \c WRITE
+are permissions of the port from the viewpoint of other ports.
+
+For allowing subscription from/to other clients, another capability
+flags must be set together with read/write capabilities above.
+For allowing read and write subscriptions,
+#SND_SEQ_PORT_CAP_SUBS_READ and
+#SND_SEQ_PORT_CAP_SUBS_WRITE are used,
+respectively.
+For example, the port with MIDI input device always has
+#SND_SEQ_PORT_CAP_SUBS_READ capability,
+and the port with MIDI output device always has
+#SND_SEQ_PORT_CAP_SUBS_WRITE capability together with
+#SND_SEQ_PORT_CAP_READ and #SND_SEQ_PORT_CAP_WRITE capabilities,
+respectively.
+Obviously, these flags have no influence
+if \c READ or \c WRITE> capability is not set.
+
+Note that these flags are not necessary if the client subscribes itself
+to the specified port.
+For example, when a port makes READ subscription
+to MIDI input port, this port must have #SND_SEQ_PORT_CAP_WRITE capability,
+but no #SND_SEQ_PORT_CAP_SUBS_WRITE capability is required.
+Only MIDI input port must have #SND_SEQ_PORT_CAP_SUBS_READ capability.
+
+As default, the connection of ports via the third client is always allowed
+if proper read and write (subscription) capabilities are set both to the
+source and destination ports.
+For prohibiting this behavior, set a capability
+#SND_SEQ_PORT_CAP_NO_EXPORT to the port.
+If this flag is set, subscription must be done by sender or receiver
+client itself.
+It is useful to avoid unexpected disconnection.
+The ports which won't accept subscription should have this capability
+for better security.
+
+\subsection seq_subs_handle Subscription handlers
+
+In ALSA library, subscription is done via
+#snd_seq_subscribe_port() function.
+It takes the argument of #snd_seq_port_subscribe_t record pointer.
+Suppose that you have a client which will receive data from
+a MIDI input device. The source and destination addresses
+are like the below;
+\code
+snd_seq_addr_t sender, dest;
+sender.client = MIDI_input_client;
+sender.port = MIDI_input_port;
+dest.client = my_client;
+dest.port = my_port;
+\endcode
+To set these values as the connection call like this.
+\code
+snd_seq_port_subscribe_t *subs;
+snd_seq_port_subscribe_alloca(&subs);
+snd_seq_port_subscribe_set_sender(subs, &sender);
+snd_seq_port_subscribe_set_dest(subs, &dest);
+snd_seq_subscribe_port(handle, subs);
+\endcode
+
+When the connection should be exclusively done only between
+a certain pair, set <i>exclusive</i> attribute to the subscription
+record before calling #snd_seq_subscribe_port.
+\code
+snd_seq_port_subscribe_set_exclusive(subs, 1);
+\endcode
+The succeeding subscriptions will be refused.
+
+The timestamp can be updated independently on each connection.
+When set up, the timestamp of incoming queue to the destination port
+is updated automatically to the time of the specified queue.
+\code
+snd_seq_port_subscribe_set_time_update(subs, 1);
+snd_seq_port_subscribe_set_queue(subs, q);
+\endcode
+For getting the wallclock time (sec/nsec pair), set <i>real</i> attribute:
+\code
+snd_seq_port_subscribe_set_time_real(subs, 1);
+\endcode
+Otherwise, the timestamp is stored in tick unit.
+This feature is useful when receiving events from MIDI input device.
+The event time is automatically set in the event record.
+
+Note that an outsider client may connect other ports.
+In this case, however, the subscription may be refused
+if #SND_SEQ_PORT_CAP_NO_EXPORT capability is set in either sender or receiver port.
+
+\section seq_subs_ex Examples of subscription
+
+\subsection seq_subs_ex_capt Capture from keyboard
+
+Assume MIDI input port = 64:0, application port = 128:0, and
+queue for timestamp = 1 with real-time stamp.
+The application port must have capability #SND_SEQ_PORT_CAP_WRITE.
+\code
+void capture_keyboard(snd_seq_t *seq)
+{
+ snd_seq_addr_t sender, dest;
+ snd_seq_port_subscribe_t *subs;
+ sender.client = 64;
+ sender.port = 0;
+ dest.client = 128;
+ dest.port = 0;
+ snd_seq_port_subscribe_alloca(&subs);
+ snd_seq_port_subscribe_set_sender(subs, &sender);
+ snd_seq_port_subscribe_set_dest(subs, &dest);
+ snd_seq_port_subscribe_set_queue(subs, 1);
+ snd_seq_port_subscribe_set_time_update(subs, 1);
+ snd_seq_port_subscribe_set_time_real(subs, 1);
+ snd_seq_subscribe_port(seq, subs);
+}
+\endcode
+
+\subsection seq_subs_ex_out Output to MIDI device
+
+Assume MIDI output port = 65:1 and application port = 128:0.
+The application port must have capability #SND_SEQ_PORT_CAP_READ.
+\code
+void subscribe_output(snd_seq_t *seq)
+{
+ snd_seq_addr_t sender, dest;
+ snd_seq_port_subscribe_t *subs;
+ sender.client = 128;
+ sender.port = 0;
+ dest.client = 65;
+ dest.port = 1;
+ snd_seq_port_subscribe_alloca(&subs);
+ snd_seq_port_subscribe_set_sender(subs, &sender);
+ snd_seq_port_subscribe_set_dest(subs, &dest);
+ snd_seq_subscribe_port(seq, subs);
+}
+\endcode
+This example can be simplified by using #snd_seq_connect_to() function.
+\code
+void subscribe_output(snd_seq_t *seq)
+{
+ snd_seq_connect_to(seq, 0, 65, 1);
+}
+\endcode
+
+\subsection seq_subs_ex_arbit Arbitrary connection
+
+Assume connection from application 128:0 to 129:0,
+and that subscription is done by the third application (130:0).
+The sender must have capabilities both
+#SND_SEQ_PORT_CAP_READ and
+#SND_SEQ_PORT_CAP_SUBS_READ,
+and the receiver
+#SND_SEQ_PORT_CAP_WRITE and
+#SND_SEQ_PORT_CAP_SUBS_WRITE, respectively.
+\code
+// ..in the third application (130:0) ..
+void coupling(snd_seq_t *seq)
+{
+ snd_seq_addr_t sender, dest;
+ snd_seq_port_subscribe_t *subs;
+ sender.client = 128;
+ sender.port = 0;
+ dest.client = 129;
+ dest.port = 0;
+ snd_seq_port_subscribe_alloca(&subs);
+ snd_seq_port_subscribe_set_sender(subs, &sender);
+ snd_seq_port_subscribe_set_dest(subs, &dest);
+ snd_seq_subscribe_port(seq, subs);
+}
+\endcode
+
+\section seq_ex_event Event Processing
+
+\subsection seq_ex_address Addressing
+
+Now, two ports are connected by subscription. Then how to send events?
+
+The subscribed port doesn't have to know the exact sender address.
+Instead, there is a special address for subscribers,
+#SND_SEQ_ADDRESS_SUBSCRIBERS.
+The sender must set this value as the destination client.
+Destination port is ignored.
+
+The other values in source and destination addresses are identical with
+the normal event record.
+If the event is scheduled, proper queue and timestamp values must be set.
+
+There is a convenient function to set the address in an event record.
+In order to set destination as subscribers, use
+#snd_seq_ev_set_subs().
+
+\subsection Scheduled Delivery
+
+If we send an event at the scheduled time <code>t</code> (tick)
+on the queue <code>Q</code>,
+the sender must set both schedule queue and time in the
+event record.
+The program appears like this:
+\code
+void schedule_event(snd_seq_t *seq)
+{
+ snd_seq_event_t ev;
+
+ snd_seq_ev_clear(&ev);
+ snd_seq_ev_set_source(&ev, my_port);
+ snd_seq_ev_set_subs(&ev);
+ snd_seq_ev_schedule_tick(&ev, Q, 0, t);
+ ... // set event type, data, so on..
+
+ snd_seq_event_output(seq, &ev);
+ ...
+ snd_seq_drain_output(seq); // if necessary
+}
+\endcode
+Of course, you can use realtime stamp, too.
+
+\subsection seq_ex_direct Direct Delivery
+
+If the event is sent immediately without enqueued, the sender doesn't take
+care of queue and timestamp.
+As well as the case above, there is a function to set the direct delivery,
+#snd_seq_ev_set_direct().
+The program can be more simplified as follows:
+\code
+void direct_delivery(snd_seq_t *seq)
+{
+ snd_seq_event_t ev;
+
+ snd_seq_ev_clear(&ev);
+ snd_seq_ev_set_source(&ev, port);
+ snd_seq_ev_set_subs(&ev);
+ snd_seq_ev_set_direct(&ev);
+ ... // set event type, data, so on..
+
+ snd_seq_event_output(seq, &ev);
+ snd_seq_drain_output(seq);
+}
+\endcode
+You should flush event soon after output event.
+Otherwise, the event is enqueued on output queue of ALSA library
+(not in the kernel!), and will be never processed until
+this queue becomes full.
+
+\subsection seq_ex_filter Filter Application
+
+A typical filter program, which receives an event and sends it immediately
+after some modification, will appear as following:
+\code
+void event_filter(snd_seq_t *seq, snd_seq_event_t *ev)
+{
+ while (snd_seq_event_input(seq, &ev) >= 0) {
+ //.. modify input event ..
+
+ snd_seq_ev_set_source(ev, my_port);
+ snd_seq_ev_set_subs(ev);
+ snd_seq_ev_set_direct(ev);
+ snd_seq_event_output(seq, ev);
+ snd_seq_drain_output(seq);
+ }
+}
+\endcode
+
+*/
+
+#include <sys/poll.h>
+#include "seq_local.h"
+
+/****************************************************************************
+ * *
+ * seq.h *
+ * Sequencer *
+ * *
+ ****************************************************************************/
+
+/**
+ * \brief get identifier of sequencer handle
+ * \param seq sequencer handle
+ * \return ASCII identifier of sequencer handle
+ *
+ * Returns the ASCII identifier of the given sequencer handle. It's the same
+ * identifier specified in snd_seq_open().
+ *
+ * \sa snd_seq_open()
+ */
+const char *snd_seq_name(snd_seq_t *seq)
+{
+ assert(seq);
+ return seq->name;
+}
+
+/**
+ * \brief get type of sequencer handle
+ * \param seq sequencer handle
+ * \return type of sequencer handle
+ *
+ * Returns the type #snd_seq_type_t of the given sequencer handle.
+ *
+ * \sa snd_seq_open()
+ */
+snd_seq_type_t snd_seq_type(snd_seq_t *seq)
+{
+ assert(seq);
+ return seq->type;
+}
+
+static int snd_seq_open_conf(snd_seq_t **seqp, const char *name,
+ snd_config_t *seq_root, snd_config_t *seq_conf,
+ int streams, int mode)
+{
+ const char *str;
+ char buf[256];
+ int err;
+ snd_config_t *conf, *type_conf = NULL;
+ snd_config_iterator_t i, next;
+ const char *id;
+ const char *lib = NULL, *open_name = NULL;
+ int (*open_func)(snd_seq_t **, const char *,
+ snd_config_t *, snd_config_t *,
+ int, int) = NULL;
+#ifndef PIC
+ extern void *snd_seq_open_symbols(void);
+#endif
+ void *h = NULL;
+ if (snd_config_get_type(seq_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ if (name)
+ SNDERR("Invalid type for SEQ %s definition", name);
+ else
+ SNDERR("Invalid type for SEQ definition");
+ return -EINVAL;
+ }
+ err = snd_config_search(seq_conf, "type", &conf);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ return err;
+ }
+ err = snd_config_get_id(conf, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(seq_root, "seq_type", str, &type_conf);
+ if (err >= 0) {
+ if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for SEQ type %s definition", str);
+ goto _err;
+ }
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ open_name = buf;
+ snprintf(buf, sizeof(buf), "_snd_seq_%s_open", str);
+ }
+#ifndef PIC
+ snd_seq_open_symbols();
+#endif
+ h = snd_dlopen(lib, RTLD_NOW);
+ if (h)
+ open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_SEQ_DLSYM_VERSION));
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ } else if (!open_func) {
+ SNDERR("symbol %s is not defined inside %s", open_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ if (! err) {
+ err = open_func(seqp, name, seq_root, seq_conf, streams, mode);
+ if (err < 0)
+ snd_dlclose(h);
+ else
+ (*seqp)->dl_handle = h;
+ }
+ return err;
+}
+
+static int snd_seq_open_noupdate(snd_seq_t **seqp, snd_config_t *root,
+ const char *name, int streams, int mode,
+ int hop)
+{
+ int err;
+ snd_config_t *seq_conf;
+ err = snd_config_search_definition(root, "seq", name, &seq_conf);
+ if (err < 0) {
+ SNDERR("Unknown SEQ %s", name);
+ return err;
+ }
+ snd_config_set_hop(seq_conf, hop);
+ err = snd_seq_open_conf(seqp, name, root, seq_conf, streams, mode);
+ snd_config_delete(seq_conf);
+ return err;
+}
+
+
+/**
+ * \brief Open the ALSA sequencer
+ *
+ * \param seqp Pointer to a snd_seq_t pointer. This pointer must be
+ * kept and passed to most of the other sequencer functions.
+ * \param name The sequencer's "name". This is \em not a name you make
+ * up for your own purposes; it has special significance to the ALSA
+ * library. Usually you need to pass \c "default" here.
+ * \param streams The read/write mode of the sequencer. Can be one of
+ * three values:
+ * - #SND_SEQ_OPEN_OUTPUT - open the sequencer for output only
+ * - #SND_SEQ_OPEN_INPUT - open the sequencer for input only
+ * - #SND_SEQ_OPEN_DUPLEX - open the sequencer for output and input
+ * \note Internally, these are translated to \c O_WRONLY, \c O_RDONLY and
+ * \c O_RDWR respectively and used as the second argument to the C library
+ * open() call.
+ * \param mode Optional modifier. Can be either 0, or
+ * #SND_SEQ_NONBLOCK, which will make read/write operations
+ * non-blocking. This can also be set later using #snd_seq_nonblock().
+ * \return 0 on success otherwise a negative error code
+ *
+ * Creates a new handle and opens a connection to the kernel
+ * sequencer interface.
+ * After a client is created successfully, an event
+ * with #SND_SEQ_EVENT_CLIENT_START is broadcast to announce port.
+ *
+ * \sa snd_seq_open_lconf(), snd_seq_close(), snd_seq_type(), snd_seq_name(),
+ * snd_seq_nonblock(), snd_seq_client_id()
+ */
+int snd_seq_open(snd_seq_t **seqp, const char *name,
+ int streams, int mode)
+{
+ int err;
+ assert(seqp && name);
+ err = snd_config_update();
+ if (err < 0)
+ return err;
+ return snd_seq_open_noupdate(seqp, snd_config, name, streams, mode, 0);
+}
+
+/**
+ * \brief Open the ALSA sequencer using local configuration
+ *
+ * \param seqp Pointer to a snd_seq_t pointer.
+ * \param name The name to open
+ * \param streams The read/write mode of the sequencer.
+ * \param mode Optional modifier
+ * \param lconf Local configuration
+ * \return 0 on success otherwise a negative error code
+ *
+ * See the snd_seq_open() function for further details. The extension
+ * is that the given configuration is used to resolve abstract name.
+ *
+ * \sa snd_seq_open()
+ */
+int snd_seq_open_lconf(snd_seq_t **seqp, const char *name,
+ int streams, int mode, snd_config_t *lconf)
+{
+ assert(seqp && name && lconf);
+ return snd_seq_open_noupdate(seqp, lconf, name, streams, mode, 0);
+}
+
+#ifndef DOC_HIDDEN
+int _snd_seq_open_lconf(snd_seq_t **seqp, const char *name,
+ int streams, int mode, snd_config_t *lconf,
+ snd_config_t *parent_conf)
+{
+ int hop;
+ assert(seqp && name && lconf);
+ if ((hop = snd_config_check_hop(parent_conf)) < 0)
+ return hop;
+ return snd_seq_open_noupdate(seqp, lconf, name, streams, mode, hop + 1);
+}
+#endif
+
+/**
+ * \brief Close the sequencer
+ * \param seq Handle returned from #snd_seq_open()
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the sequencer client and releases its resources.
+ * After a client is closed, an event with
+ * #SND_SEQ_EVENT_CLIENT_EXIT is broadcast to announce port.
+ * The connection between other clients are disconnected.
+ * Call this just before exiting your program.
+ *
+ * \sa snd_seq_close()
+ */
+int snd_seq_close(snd_seq_t *seq)
+{
+ int err;
+ assert(seq);
+ err = seq->ops->close(seq);
+ if (seq->dl_handle)
+ snd_dlclose(seq->dl_handle);
+ free(seq->obuf);
+ free(seq->ibuf);
+ free(seq->tmpbuf);
+ free(seq->name);
+ free(seq);
+ return err;
+}
+
+/**
+ * \brief Returns the number of poll descriptors
+ * \param seq sequencer handle
+ * \param events the poll events to be checked (\c POLLIN and \c POLLOUT)
+ * \return the number of poll descriptors.
+ *
+ * Get the number of poll descriptors. The polling events to be checked
+ * can be specified by the second argument. When both input and output
+ * are checked, pass \c POLLIN|POLLOUT
+ *
+ * \sa snd_seq_poll_descriptors()
+ */
+int snd_seq_poll_descriptors_count(snd_seq_t *seq, short events)
+{
+ int result = 0;
+ assert(seq);
+ if (events & POLLIN) {
+ assert(seq->streams & SND_SEQ_OPEN_INPUT);
+ result++;
+ }
+ if (events & POLLOUT) {
+ assert(seq->streams & SND_SEQ_OPEN_OUTPUT);
+ result++;
+ }
+ return result ? 1 : 0;
+}
+
+/**
+ * \brief Get poll descriptors
+ * \param seq sequencer handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \param events polling events to be checked (\c POLLIN and \c POLLOUT)
+ * \return count of filled descriptors
+ *
+ * Get poll descriptors assigned to the sequencer handle.
+ * Since a sequencer handle can duplex streams, you need to set which direction(s)
+ * is/are polled in \a events argument. When \c POLLIN bit is specified,
+ * the incoming events to the ports are checked.
+ *
+ * To check the returned poll-events, call #snd_seq_poll_descriptors_revents()
+ * instead of reading the pollfd structs directly.
+ *
+ * \sa snd_seq_poll_descriptors_count(), snd_seq_poll_descriptors_revents()
+ */
+int snd_seq_poll_descriptors(snd_seq_t *seq, struct pollfd *pfds, unsigned int space, short events)
+{
+ short revents = 0;
+
+ assert(seq);
+ if ((events & POLLIN) && space >= 1) {
+ assert(seq->streams & SND_SEQ_OPEN_INPUT);
+ revents |= POLLIN|POLLERR|POLLNVAL;
+ }
+ if ((events & POLLOUT) && space >= 1) {
+ assert(seq->streams & SND_SEQ_OPEN_OUTPUT);
+ revents |= POLLOUT|POLLERR|POLLNVAL;
+ }
+ if (!revents)
+ return 0;
+ pfds->fd = seq->poll_fd;
+ pfds->events = revents;
+ return 1;
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param seq sequencer handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents returned events
+ * \return zero if success, otherwise a negative error code
+ *
+ * \sa snd_seq_poll_descriptors()
+ */
+int snd_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ assert(seq && pfds && revents);
+ if (nfds == 1) {
+ *revents = pfds->revents;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief Set nonblock mode
+ * \param seq sequencer handle
+ * \param nonblock 0 = block, 1 = nonblock mode
+ * \return 0 on success otherwise a negative error code
+ *
+ * Change the blocking mode of the given client.
+ * In block mode, the client falls into sleep when it fills the
+ * output memory pool with full events. The client will be woken up
+ * after a certain amount of free space becomes available.
+ *
+ * \sa snd_seq_open()
+ */
+int snd_seq_nonblock(snd_seq_t *seq, int nonblock)
+{
+ int err;
+ assert(seq);
+ err = seq->ops->nonblock(seq, nonblock);
+ if (err < 0)
+ return err;
+ if (nonblock)
+ seq->mode |= SND_SEQ_NONBLOCK;
+ else
+ seq->mode &= ~SND_SEQ_NONBLOCK;
+ return 0;
+}
+
+/**
+ * \brief Get the client id
+ * \param seq sequencer handle
+ * \return the client id
+ *
+ * Returns the id of the specified client.
+ * If an error occurs, function returns the negative error code.
+ * A client id is necessary to inquiry or to set the client information.
+ * A user client is assigned from 128 to 191.
+ *
+ * \sa snd_seq_open()
+ */
+int snd_seq_client_id(snd_seq_t *seq)
+{
+ assert(seq);
+ return seq->client;
+}
+
+/**
+ * \brief Return the size of output buffer
+ * \param seq sequencer handle
+ * \return the size of output buffer in bytes
+ *
+ * Obtains the size of output buffer.
+ * This buffer is used to store decoded byte-stream of output events
+ * before transferring to sequencer.
+ *
+ * \sa snd_seq_set_output_buffer_size()
+ */
+size_t snd_seq_get_output_buffer_size(snd_seq_t *seq)
+{
+ assert(seq);
+ if (!seq->obuf)
+ return 0;
+ return seq->obufsize;
+}
+
+/**
+ * \brief Return the size of input buffer
+ * \param seq sequencer handle
+ * \return the size of input buffer in bytes
+ *
+ * Obtains the size of input buffer.
+ * This buffer is used to read byte-stream of input events from sequencer.
+ *
+ * \sa snd_seq_set_input_buffer_size()
+ */
+size_t snd_seq_get_input_buffer_size(snd_seq_t *seq)
+{
+ assert(seq);
+ if (!seq->ibuf)
+ return 0;
+ return seq->ibufsize * sizeof(snd_seq_event_t);
+}
+
+/**
+ * \brief Change the size of output buffer
+ * \param seq sequencer handle
+ * \param size the size of output buffer to be changed in bytes
+ * \return 0 on success otherwise a negative error code
+ *
+ * Changes the size of output buffer.
+ *
+ * \sa snd_seq_get_output_buffer_size()
+ */
+int snd_seq_set_output_buffer_size(snd_seq_t *seq, size_t size)
+{
+ assert(seq && seq->obuf);
+ assert(size >= sizeof(snd_seq_event_t));
+ snd_seq_drop_output(seq);
+ if (size != seq->obufsize) {
+ char *newbuf;
+ newbuf = calloc(1, size);
+ if (newbuf == NULL)
+ return -ENOMEM;
+ free(seq->obuf);
+ seq->obuf = newbuf;
+ seq->obufsize = size;
+ }
+ return 0;
+}
+
+/**
+ * \brief Resize the input buffer
+ * \param seq sequencer handle
+ * \param size the size of input buffer to be changed in bytes
+ * \return 0 on success otherwise a negative error code
+ *
+ * Changes the size of input buffer.
+ *
+ * \sa snd_seq_get_input_buffer_size()
+ */
+int snd_seq_set_input_buffer_size(snd_seq_t *seq, size_t size)
+{
+ assert(seq && seq->ibuf);
+ assert(size >= sizeof(snd_seq_event_t));
+ snd_seq_drop_input(seq);
+ size = (size + sizeof(snd_seq_event_t) - 1) / sizeof(snd_seq_event_t);
+ if (size != seq->ibufsize) {
+ snd_seq_event_t *newbuf;
+ newbuf = calloc(sizeof(snd_seq_event_t), size);
+ if (newbuf == NULL)
+ return -ENOMEM;
+ free(seq->ibuf);
+ seq->ibuf = newbuf;
+ seq->ibufsize = size;
+ }
+ return 0;
+}
+
+
+/**
+ * \brief Get size of #snd_seq_system_info_t
+ * \return size in bytes
+ */
+size_t snd_seq_system_info_sizeof()
+{
+ return sizeof(snd_seq_system_info_t);
+}
+
+/**
+ * \brief Allocate an empty #snd_seq_system_info_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_system_info_malloc(snd_seq_system_info_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_system_info_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief Frees a previously allocated #snd_seq_system_info_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_system_info_free(snd_seq_system_info_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief Copy one #snd_seq_system_info_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_system_info_copy(snd_seq_system_info_t *dst, const snd_seq_system_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get maximum number of queues
+ * \param info #snd_seq_system_info_t container
+ * \return maximum number of queues
+ *
+ * \sa snd_seq_system_info()
+ */
+int snd_seq_system_info_get_queues(const snd_seq_system_info_t *info)
+{
+ assert(info);
+ return info->queues;
+}
+
+/**
+ * \brief Get maximum number of clients
+ * \param info #snd_seq_system_info_t container
+ * \return maximum number of clients
+ *
+ * \sa snd_seq_system_info()
+ */
+int snd_seq_system_info_get_clients(const snd_seq_system_info_t *info)
+{
+ assert(info);
+ return info->clients;
+}
+
+/**
+ * \brief Get maximum number of ports
+ * \param info #snd_seq_system_info_t container
+ * \return maximum number of ports
+ *
+ * \sa snd_seq_system_info()
+ */
+int snd_seq_system_info_get_ports(const snd_seq_system_info_t *info)
+{
+ assert(info);
+ return info->ports;
+}
+
+/**
+ * \brief Get maximum number of channels
+ * \param info #snd_seq_system_info_t container
+ * \return maximum number of channels
+ *
+ * \sa snd_seq_system_info()
+ */
+int snd_seq_system_info_get_channels(const snd_seq_system_info_t *info)
+{
+ assert(info);
+ return info->channels;
+}
+
+/**
+ * \brief Get the current number of clients
+ * \param info #snd_seq_system_info_t container
+ * \return current number of clients
+ *
+ * \sa snd_seq_system_info()
+ */
+int snd_seq_system_info_get_cur_clients(const snd_seq_system_info_t *info)
+{
+ assert(info);
+ return info->cur_clients;
+}
+
+/**
+ * \brief Get the current number of queues
+ * \param info #snd_seq_system_info_t container
+ * \return current number of queues
+ *
+ * \sa snd_seq_system_info()
+ */
+int snd_seq_system_info_get_cur_queues(const snd_seq_system_info_t *info)
+{
+ assert(info);
+ return info->cur_queues;
+}
+
+/**
+ * \brief obtain the sequencer system information
+ * \param seq sequencer handle
+ * \param info the pointer to be stored
+ * \return 0 on success otherwise a negative error code
+ *
+ * Stores the global system information of ALSA sequencer system.
+ * The returned data contains
+ * the maximum available numbers of queues, clients, ports and channels.
+ */
+int snd_seq_system_info(snd_seq_t *seq, snd_seq_system_info_t * info)
+{
+ assert(seq && info);
+ return seq->ops->system_info(seq, info);
+}
+
+
+/*----------------------------------------------------------------*/
+
+/**
+ * \brief get size of #snd_seq_client_info_t
+ * \return size in bytes
+ */
+size_t snd_seq_client_info_sizeof()
+{
+ return sizeof(snd_seq_client_info_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_client_info_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_client_info_malloc(snd_seq_client_info_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_client_info_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_client_info_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_client_info_free(snd_seq_client_info_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_client_info_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_client_info_copy(snd_seq_client_info_t *dst, const snd_seq_client_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get client id of a client_info container
+ * \param info client_info container
+ * \return client id
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_set_client(), snd_seq_client_id()
+ */
+int snd_seq_client_info_get_client(const snd_seq_client_info_t *info)
+{
+ assert(info);
+ return info->client;
+}
+
+/**
+ * \brief Get client type of a client_info container
+ * \param info client_info container
+ * \return client type
+ *
+ * The client type is either #SND_SEQ_KERNEL_CLIENT or #SND_SEQ_USER_CLIENT
+ * for kernel or user client respectively.
+ *
+ * \sa snd_seq_get_client_info()
+ */
+snd_seq_client_type_t snd_seq_client_info_get_type(const snd_seq_client_info_t *info)
+{
+ assert(info);
+ return info->type;
+}
+
+/**
+ * \brief Get the name of a client_info container
+ * \param info client_info container
+ * \return name string
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_set_name()
+ */
+const char *snd_seq_client_info_get_name(snd_seq_client_info_t *info)
+{
+ assert(info);
+ return info->name;
+}
+
+/**
+ * \brief Get the broadcast filter usage of a client_info container
+ * \param info client_info container
+ * \return 1 if broadcast is accepted
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_set_broadcast_filter()
+ */
+int snd_seq_client_info_get_broadcast_filter(const snd_seq_client_info_t *info)
+{
+ assert(info);
+ return (info->filter & SNDRV_SEQ_FILTER_BROADCAST) ? 1 : 0;
+}
+
+/**
+ * \brief Get the error-bounce usage of a client_info container
+ * \param info client_info container
+ * \return 1 if error-bounce is enabled
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_set_error_bounce()
+ */
+int snd_seq_client_info_get_error_bounce(const snd_seq_client_info_t *info)
+{
+ assert(info);
+ return (info->filter & SNDRV_SEQ_FILTER_BOUNCE) ? 1 : 0;
+}
+
+/**
+ * \brief (DEPRECATED) Get the event filter bitmap of a client_info container
+ * \param info client_info container
+ * \return NULL if no event filter, or pointer to event filter bitmap
+ *
+ * Use #snd_seq_client_info_event_filter_check() instead.
+ *
+ * \sa snd_seq_client_info_event_filter_add(),
+ * snd_seq_client_info_event_filter_del(),
+ * snd_seq_client_info_event_filter_check(),
+ * snd_seq_client_info_event_filter_clear(),
+ * snd_seq_get_client_info()
+ */
+const unsigned char *snd_seq_client_info_get_event_filter(const snd_seq_client_info_t *info)
+{
+ assert(info);
+ if (info->filter & SNDRV_SEQ_FILTER_USE_EVENT)
+ return info->event_filter;
+ else
+ return NULL;
+}
+
+/**
+ * \brief Disable event filtering of a client_info container
+ * \param info client_info container
+ *
+ * Remove all event types added with #snd_seq_client_info_event_filter_add and clear
+ * the event filtering flag of this client_info container.
+ *
+ * \sa snd_seq_client_info_event_filter_add(),
+ * snd_seq_client_info_event_filter_del(),
+ * snd_seq_client_info_event_filter_check(),
+ * snd_seq_get_client_info(),
+ * snd_seq_set_client_info()
+ */
+void snd_seq_client_info_event_filter_clear(snd_seq_client_info_t *info)
+{
+ assert(info);
+ info->filter &= ~SNDRV_SEQ_FILTER_USE_EVENT;
+ memset(info->event_filter, 0, sizeof(info->event_filter));
+}
+
+/**
+ * \brief Add an event type to the event filtering of a client_info container
+ * \param info client_info container
+ * \param event_type event type to be added
+ *
+ * Set the event filtering flag of this client_info and add the specified event type to the
+ * filter bitmap of this client_info container.
+ *
+ * \sa snd_seq_get_client_info(),
+ * snd_seq_set_client_info(),
+ * snd_seq_client_info_event_filter_del(),
+ * snd_seq_client_info_event_filter_check(),
+ * snd_seq_client_info_event_filter_clear()
+ */
+void snd_seq_client_info_event_filter_add(snd_seq_client_info_t *info, int event_type)
+{
+ assert(info);
+ info->filter |= SNDRV_SEQ_FILTER_USE_EVENT;
+ snd_seq_set_bit(event_type, info->event_filter);
+}
+
+/**
+ * \brief Remove an event type from the event filtering of a client_info container
+ * \param info client_info container
+ * \param event_type event type to be removed
+ *
+ * Removes the specified event from the filter bitmap of this client_info container. It will
+ * not clear the event filtering flag, use #snd_seq_client_info_event_filter_clear instead.
+ *
+ * \sa snd_seq_get_client_info(),
+ * snd_seq_set_client_info(),
+ * snd_seq_client_info_event_filter_add(),
+ * snd_seq_client_info_event_filter_check(),
+ * snd_seq_client_info_event_filter_clear()
+ */
+void snd_seq_client_info_event_filter_del(snd_seq_client_info_t *info, int event_type)
+{
+ assert(info);
+ snd_seq_unset_bit(event_type, info->event_filter);
+}
+
+/**
+ * \brief Check if an event type is present in the event filtering of a client_info container
+ * \param info client_info container
+ * \param event_type event type to be checked
+ * \return 1 if the event type is present, 0 otherwise
+ *
+ * Test if the event type is in the filter bitmap of this client_info container.
+ *
+ * \sa snd_seq_get_client_info(),
+ * snd_seq_set_client_info(),
+ * snd_seq_client_info_event_filter_add(),
+ * snd_seq_client_info_event_filter_del(),
+ * snd_seq_client_info_event_filter_clear()
+ */
+int snd_seq_client_info_event_filter_check(snd_seq_client_info_t *info, int event_type)
+{
+ assert(info);
+ return snd_seq_get_bit(event_type, info->event_filter);
+}
+
+/**
+ * \brief Get the number of opened ports of a client_info container
+ * \param info client_info container
+ * \return number of opened ports
+ *
+ * \sa snd_seq_get_client_info()
+ */
+int snd_seq_client_info_get_num_ports(const snd_seq_client_info_t *info)
+{
+ assert(info);
+ return info->num_ports;
+}
+
+/**
+ * \brief Get the number of lost events of a client_info container
+ * \param info client_info container
+ * \return number of lost events
+ *
+ * \sa snd_seq_get_client_info()
+ */
+int snd_seq_client_info_get_event_lost(const snd_seq_client_info_t *info)
+{
+ assert(info);
+ return info->event_lost;
+}
+
+/**
+ * \brief Set the client id of a client_info container
+ * \param info client_info container
+ * \param client client id
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_get_client()
+ */
+void snd_seq_client_info_set_client(snd_seq_client_info_t *info, int client)
+{
+ assert(info);
+ info->client = client;
+}
+
+/**
+ * \brief Set the name of a client_info container
+ * \param info client_info container
+ * \param name name string
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_get_name(),
+ * snd_seq_set_client_name()
+ */
+void snd_seq_client_info_set_name(snd_seq_client_info_t *info, const char *name)
+{
+ assert(info && name);
+ strncpy(info->name, name, sizeof(info->name));
+}
+
+/**
+ * \brief Set the broadcast filter usage of a client_info container
+ * \param info client_info container
+ * \param val non-zero if broadcast is accepted
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_get_broadcast_filter()
+ */
+void snd_seq_client_info_set_broadcast_filter(snd_seq_client_info_t *info, int val)
+{
+ assert(info);
+ if (val)
+ info->filter |= SNDRV_SEQ_FILTER_BROADCAST;
+ else
+ info->filter &= ~SNDRV_SEQ_FILTER_BROADCAST;
+}
+
+/**
+ * \brief Set the error-bounce usage of a client_info container
+ * \param info client_info container
+ * \param val non-zero if error is bounced
+ *
+ * \sa snd_seq_get_client_info(), snd_seq_client_info_get_error_bounce()
+ */
+void snd_seq_client_info_set_error_bounce(snd_seq_client_info_t *info, int val)
+{
+ assert(info);
+ if (val)
+ info->filter |= SNDRV_SEQ_FILTER_BOUNCE;
+ else
+ info->filter &= ~SNDRV_SEQ_FILTER_BOUNCE;
+}
+
+/**
+ * \brief (DEPRECATED) Set the event filter bitmap of a client_info container
+ * \param info client_info container
+ * \param filter event filter bitmap, pass NULL for no event filtering
+ *
+ * Use #snd_seq_client_info_event_filter_add instead.
+ *
+ * \sa snd_seq_client_info_event_filter_add(),
+ * snd_seq_client_info_event_filter_del(),
+ * snd_seq_client_info_event_filter_check(),
+ * snd_seq_client_info_event_filter_clear(),
+ * snd_seq_set_client_info()
+ */
+void snd_seq_client_info_set_event_filter(snd_seq_client_info_t *info, unsigned char *filter)
+{
+ assert(info);
+ if (! filter)
+ info->filter &= ~SNDRV_SEQ_FILTER_USE_EVENT;
+ else {
+ info->filter |= SNDRV_SEQ_FILTER_USE_EVENT;
+ memcpy(info->event_filter, filter, sizeof(info->event_filter));
+ }
+}
+
+
+/**
+ * \brief obtain the information of the given client
+ * \param seq sequencer handle
+ * \param client client id
+ * \param info the pointer to be stored
+ * \return 0 on success otherwise a negative error code
+ *
+ * Obtains the information of the client with a client id specified by
+ * info argument.
+ * The obtained information is written on info parameter.
+ *
+ * \sa snd_seq_get_client_info()
+ */
+int snd_seq_get_any_client_info(snd_seq_t *seq, int client, snd_seq_client_info_t *info)
+{
+ assert(seq && info && client >= 0);
+ memset(info, 0, sizeof(snd_seq_client_info_t));
+ info->client = client;
+ return seq->ops->get_client_info(seq, info);
+}
+
+/**
+ * \brief obtain the current client information
+ * \param seq sequencer handle
+ * \param info the pointer to be stored
+ * \return 0 on success otherwise a negative error code
+ *
+ * Obtains the information of the current client stored on info.
+ * client and type fields are ignored.
+ *
+ * \sa snd_seq_get_any_client_info(), snd_seq_set_client_info(),
+ * snd_seq_query_next_client()
+ */
+int snd_seq_get_client_info(snd_seq_t *seq, snd_seq_client_info_t *info)
+{
+ return snd_seq_get_any_client_info(seq, seq->client, info);
+}
+
+/**
+ * \brief set the current client information
+ * \param seq sequencer handle
+ * \param info the client info data to set
+ * \return 0 on success otherwise a negative error code
+ *
+ * Obtains the information of the current client stored on info.
+ * client and type fields are ignored.
+ *
+ * \sa snd_seq_get_client_info()
+ */
+int snd_seq_set_client_info(snd_seq_t *seq, snd_seq_client_info_t *info)
+{
+ assert(seq && info);
+ info->client = seq->client;
+ info->type = USER_CLIENT;
+ return seq->ops->set_client_info(seq, info);
+}
+
+/**
+ * \brief query the next client
+ * \param seq sequencer handle
+ * \param info query pattern and result
+ *
+ * Queries the next client.
+ * The search begins at the client with an id one greater than
+ * client field in info.
+ * If a client is found, its attributes are stored in info,
+ * and zero is returned.
+ * Otherwise returns a negative error code.
+ *
+ * \sa snd_seq_get_any_client_info()
+ */
+int snd_seq_query_next_client(snd_seq_t *seq, snd_seq_client_info_t *info)
+{
+ assert(seq && info);
+ return seq->ops->query_next_client(seq, info);
+}
+
+
+/*----------------------------------------------------------------*/
+
+
+/*
+ * Port
+ */
+
+/**
+ * \brief get size of #snd_seq_port_info_t
+ * \return size in bytes
+ */
+size_t snd_seq_port_info_sizeof()
+{
+ return sizeof(snd_seq_port_info_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_port_info_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_port_info_malloc(snd_seq_port_info_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_port_info_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_port_info_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_port_info_free(snd_seq_port_info_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_port_info_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_port_info_copy(snd_seq_port_info_t *dst, const snd_seq_port_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get client id of a port_info container
+ * \param info port_info container
+ * \return client id
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_client()
+ */
+int snd_seq_port_info_get_client(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->addr.client;
+}
+
+/**
+ * \brief Get port id of a port_info container
+ * \param info port_info container
+ * \return port id
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_port()
+ */
+int snd_seq_port_info_get_port(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->addr.port;
+}
+
+/**
+ * \brief Get client/port address of a port_info container
+ * \param info port_info container
+ * \return client/port address pointer
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_addr()
+ */
+const snd_seq_addr_t *snd_seq_port_info_get_addr(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return (const snd_seq_addr_t *) &info->addr;
+}
+
+/**
+ * \brief Get the name of a port_info container
+ * \param info port_info container
+ * \return name string
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_name()
+ */
+const char *snd_seq_port_info_get_name(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->name;
+}
+
+/**
+ * \brief Get the capability bits of a port_info container
+ * \param info port_info container
+ * \return capability bits
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_capability()
+ */
+unsigned int snd_seq_port_info_get_capability(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->capability;
+}
+
+/**
+ * \brief Get the type bits of a port_info container
+ * \param info port_info container
+ * \return port type bits
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_type()
+ */
+unsigned int snd_seq_port_info_get_type(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->type;
+}
+
+/**
+ * \brief Get the number of read subscriptions of a port_info container
+ * \param info port_info container
+ * \return number of read subscriptions
+ *
+ * \sa snd_seq_get_port_info()
+ */
+int snd_seq_port_info_get_read_use(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->read_use;
+}
+
+/**
+ * \brief Get the number of write subscriptions of a port_info container
+ * \param info port_info container
+ * \return number of write subscriptions
+ *
+ * \sa snd_seq_get_port_info()
+ */
+int snd_seq_port_info_get_write_use(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->write_use;
+}
+
+/**
+ * \brief Get the midi channels of a port_info container
+ * \param info port_info container
+ * \return number of midi channels (default 0)
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_midi_channels()
+ */
+int snd_seq_port_info_get_midi_channels(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->midi_channels;
+}
+
+/**
+ * \brief Get the midi voices of a port_info container
+ * \param info port_info container
+ * \return number of midi voices (default 0)
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_midi_voices()
+ */
+int snd_seq_port_info_get_midi_voices(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->midi_voices;
+}
+
+/**
+ * \brief Get the synth voices of a port_info container
+ * \param info port_info container
+ * \return number of synth voices (default 0)
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_synth_voices()
+ */
+int snd_seq_port_info_get_synth_voices(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->synth_voices;
+}
+
+/**
+ * \brief Get the port-specified mode of a port_info container
+ * \param info port_info container
+ * \return 1 if port id is specified at creation
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_port_specified()
+ */
+int snd_seq_port_info_get_port_specified(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_FLG_GIVEN_PORT) ? 1 : 0;
+}
+
+/**
+ * \brief Get the time-stamping mode of the given port in a port_info container
+ * \param info port_info container
+ * \return 1 if the port updates timestamps of incoming events
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_timestamping()
+ */
+int snd_seq_port_info_get_timestamping(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_FLG_TIMESTAMP) ? 1 : 0;
+}
+
+/**
+ * \brief Get whether the time-stamping of the given port is real-time mode
+ * \param info port_info container
+ * \return 1 if the time-stamping is in the real-time mode
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_timestamp_real()
+ */
+int snd_seq_port_info_get_timestamp_real(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_FLG_TIME_REAL) ? 1 : 0;
+}
+
+/**
+ * \brief Get the queue id to update timestamps
+ * \param info port_info container
+ * \return the queue id to get the timestamps
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_set_timestamp_queue()
+ */
+int snd_seq_port_info_get_timestamp_queue(const snd_seq_port_info_t *info)
+{
+ assert(info);
+ return info->time_queue;
+}
+
+/**
+ * \brief Set the client id of a port_info container
+ * \param info port_info container
+ * \param client client id
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_client()
+ */
+void snd_seq_port_info_set_client(snd_seq_port_info_t *info, int client)
+{
+ assert(info);
+ info->addr.client = client;
+}
+
+/**
+ * \brief Set the port id of a port_info container
+ * \param info port_info container
+ * \param port port id
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_port()
+ */
+void snd_seq_port_info_set_port(snd_seq_port_info_t *info, int port)
+{
+ assert(info);
+ info->addr.port = port;
+}
+
+/**
+ * \brief Set the client/port address of a port_info container
+ * \param info port_info container
+ * \param addr client/port address
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_addr()
+ */
+void snd_seq_port_info_set_addr(snd_seq_port_info_t *info, const snd_seq_addr_t *addr)
+{
+ assert(info);
+ info->addr = *(const struct sndrv_seq_addr *)addr;
+}
+
+/**
+ * \brief Set the name of a port_info container
+ * \param info port_info container
+ * \param name name string
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_name()
+ */
+void snd_seq_port_info_set_name(snd_seq_port_info_t *info, const char *name)
+{
+ assert(info && name);
+ strncpy(info->name, name, sizeof(info->name));
+}
+
+/**
+ * \brief set the capability bits of a port_info container
+ * \param info port_info container
+ * \param capability capability bits
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_capability()
+ */
+void snd_seq_port_info_set_capability(snd_seq_port_info_t *info, unsigned int capability)
+{
+ assert(info);
+ info->capability = capability;
+}
+
+/**
+ * \brief Get the type bits of a port_info container
+ * \param info port_info container
+ * \param type port type bits
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_type()
+ */
+void snd_seq_port_info_set_type(snd_seq_port_info_t *info, unsigned int type)
+{
+ assert(info);
+ info->type = type;
+}
+
+/**
+ * \brief set the midi channels of a port_info container
+ * \param info port_info container
+ * \param channels midi channels (default 0)
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_midi_channels()
+ */
+void snd_seq_port_info_set_midi_channels(snd_seq_port_info_t *info, int channels)
+{
+ assert(info);
+ info->midi_channels = channels;
+}
+
+/**
+ * \brief set the midi voices of a port_info container
+ * \param info port_info container
+ * \param voices midi voices (default 0)
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_midi_voices()
+ */
+void snd_seq_port_info_set_midi_voices(snd_seq_port_info_t *info, int voices)
+{
+ assert(info);
+ info->midi_voices = voices;
+}
+
+/**
+ * \brief set the synth voices of a port_info container
+ * \param info port_info container
+ * \param voices synth voices (default 0)
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_synth_voice()
+ */
+void snd_seq_port_info_set_synth_voices(snd_seq_port_info_t *info, int voices)
+{
+ assert(info);
+ info->synth_voices = voices;
+}
+
+/**
+ * \brief Set the port-specified mode of a port_info container
+ * \param info port_info container
+ * \param val non-zero if specifying the port id at creation
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_port_specified()
+ */
+void snd_seq_port_info_set_port_specified(snd_seq_port_info_t *info, int val)
+{
+ assert(info);
+ if (val)
+ info->flags |= SNDRV_SEQ_PORT_FLG_GIVEN_PORT;
+ else
+ info->flags &= ~SNDRV_SEQ_PORT_FLG_GIVEN_PORT;
+}
+
+/**
+ * \brief Set the time-stamping mode of the given port
+ * \param info port_info container
+ * \param enable non-zero if updating the timestamps of incoming events
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_timestamping()
+ */
+void snd_seq_port_info_set_timestamping(snd_seq_port_info_t *info, int enable)
+{
+ assert(info);
+ if (enable)
+ info->flags |= SNDRV_SEQ_PORT_FLG_TIMESTAMP;
+ else
+ info->flags &= ~SNDRV_SEQ_PORT_FLG_TIMESTAMP;
+}
+
+/**
+ * \brief Set whether the timestime is updated in the real-time mode
+ * \param info port_info container
+ * \param enable non-zero if updating the timestamps in real-time mode
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_timestamp_real()
+ */
+void snd_seq_port_info_set_timestamp_real(snd_seq_port_info_t *info, int enable)
+{
+ assert(info);
+ if (enable)
+ info->flags |= SNDRV_SEQ_PORT_FLG_TIME_REAL;
+ else
+ info->flags &= ~SNDRV_SEQ_PORT_FLG_TIME_REAL;
+}
+
+/**
+ * \brief Set the queue id for timestamping
+ * \param info port_info container
+ * \param queue the queue id to get timestamps
+ *
+ * \sa snd_seq_get_port_info(), snd_seq_port_info_get_timestamp_queue()
+ */
+void snd_seq_port_info_set_timestamp_queue(snd_seq_port_info_t *info, int queue)
+{
+ assert(info);
+ info->time_queue = queue;
+}
+
+
+/**
+ * \brief create a sequencer port on the current client
+ * \param seq sequencer handle
+ * \param port port information for the new port
+ * \return 0 on success otherwise a negative error code
+ *
+ * Creates a sequencer port on the current client.
+ * The attributes of created port is specified in \a info argument.
+ *
+ * The client field in \a info argument is overwritten with the current client id.
+ * The port id to be created can be specified via #snd_seq_port_info_set_port_specified.
+ * You can get the created port id by reading the port pointer via #snd_seq_port_info_get_port.
+ *
+ * Each port has the capability bit-masks to specify the access capability
+ * of the port from other clients.
+ * The capability bit flags are defined as follows:
+ * - #SND_SEQ_PORT_CAP_READ Readable from this port
+ * - #SND_SEQ_PORT_CAP_WRITE Writable to this port.
+ * - #SND_SEQ_PORT_CAP_SYNC_READ For synchronization (not implemented)
+ * - #SND_SEQ_PORT_CAP_SYNC_WRITE For synchronization (not implemented)
+ * - #SND_SEQ_PORT_CAP_DUPLEX Read/write duplex access is supported
+ * - #SND_SEQ_PORT_CAP_SUBS_READ Read subscription is allowed
+ * - #SND_SEQ_PORT_CAP_SUBS_WRITE Write subscription is allowed
+ * - #SND_SEQ_PORT_CAP_NO_EXPORT Subscription management from 3rd client is disallowed
+ *
+ * Each port has also the type bitmasks defined as follows:
+ * - #SND_SEQ_PORT_TYPE_SPECIFIC Hardware specific port
+ * - #SND_SEQ_PORT_TYPE_MIDI_GENERIC Generic MIDI device
+ * - #SND_SEQ_PORT_TYPE_MIDI_GM General MIDI compatible device
+ * - #SND_SEQ_PORT_TYPE_MIDI_GM2 General MIDI 2 compatible device
+ * - #SND_SEQ_PORT_TYPE_MIDI_GS GS compatible device
+ * - #SND_SEQ_PORT_TYPE_MIDI_XG XG compatible device
+ * - #SND_SEQ_PORT_TYPE_MIDI_MT32 MT-32 compatible device
+ * - #SND_SEQ_PORT_TYPE_HARDWARE Implemented in hardware
+ * - #SND_SEQ_PORT_TYPE_SOFTWARE Implemented in software
+ * - #SND_SEQ_PORT_TYPE_SYNTHESIZER Generates sound
+ * - #SND_SEQ_PORT_TYPE_PORT Connects to other device(s)
+ * - #SND_SEQ_PORT_TYPE_APPLICATION Application (sequencer/editor)
+ *
+ * A port may contain specific midi channels, midi voices and synth voices.
+ * These values could be zero as default.
+ *
+ * \sa snd_seq_delete_port(), snd_seq_get_port_info(),
+ * snd_seq_create_simple_port()
+ */
+int snd_seq_create_port(snd_seq_t *seq, snd_seq_port_info_t * port)
+{
+ assert(seq && port);
+ port->addr.client = seq->client;
+ return seq->ops->create_port(seq, port);
+}
+
+/**
+ * \brief delete a sequencer port on the current client
+ * \param seq sequencer handle
+ * \param port port to be deleted
+ * \return 0 on success otherwise a negative error code
+ *
+ * Deletes the existing sequencer port on the current client.
+ *
+ * \sa snd_seq_create_port(), snd_seq_delete_simple_port()
+ */
+int snd_seq_delete_port(snd_seq_t *seq, int port)
+{
+ snd_seq_port_info_t pinfo;
+ assert(seq);
+ memset(&pinfo, 0, sizeof(pinfo));
+ pinfo.addr.client = seq->client;
+ pinfo.addr.port = port;
+ return seq->ops->delete_port(seq, &pinfo);
+}
+
+/**
+ * \brief obtain the information of a port on an arbitrary client
+ * \param seq sequencer handle
+ * \param client client id to get
+ * \param port port id to get
+ * \param info pointer information returns
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_get_port_info()
+ */
+int snd_seq_get_any_port_info(snd_seq_t *seq, int client, int port, snd_seq_port_info_t * info)
+{
+ assert(seq && info && client >= 0 && port >= 0);
+ memset(info, 0, sizeof(snd_seq_port_info_t));
+ info->addr.client = client;
+ info->addr.port = port;
+ return seq->ops->get_port_info(seq, info);
+}
+
+/**
+ * \brief obtain the information of a port on the current client
+ * \param seq sequencer handle
+ * \param port port id to get
+ * \param info pointer information returns
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_create_port(), snd_seq_get_any_port_info(), snd_seq_set_port_info(),
+ * snd_seq_query_next_port()
+ */
+int snd_seq_get_port_info(snd_seq_t *seq, int port, snd_seq_port_info_t * info)
+{
+ return snd_seq_get_any_port_info(seq, seq->client, port, info);
+}
+
+/**
+ * \brief set the information of a port on the current client
+ * \param seq sequencer handle
+ * \param port port to be set
+ * \param info port information to be set
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_set_port_info()
+ */
+int snd_seq_set_port_info(snd_seq_t *seq, int port, snd_seq_port_info_t * info)
+{
+ assert(seq && info && port >= 0);
+ info->addr.client = seq->client;
+ info->addr.port = port;
+ return seq->ops->set_port_info(seq, info);
+}
+
+/**
+ * \brief query the next matching port
+ * \param seq sequencer handle
+ * \param info query pattern and result
+
+ * Queries the next matching port on the client specified in
+ * \a info argument.
+ * The search begins at the next port specified in
+ * port field of \a info argument.
+ * For finding the first port at a certain client, give -1.
+ *
+ * If a matching port is found, its attributes are stored on
+ * \a info and function returns zero.
+ * Otherwise, a negative error code is returned.
+ *
+ * \sa snd_seq_get_port_info()
+ */
+int snd_seq_query_next_port(snd_seq_t *seq, snd_seq_port_info_t *info)
+{
+ assert(seq && info);
+ return seq->ops->query_next_port(seq, info);
+}
+
+
+/*----------------------------------------------------------------*/
+
+/*
+ * subscription
+ */
+
+
+/**
+ * \brief get size of #snd_seq_port_subscribe_t
+ * \return size in bytes
+ */
+size_t snd_seq_port_subscribe_sizeof()
+{
+ return sizeof(snd_seq_port_subscribe_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_port_subscribe_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_port_subscribe_malloc(snd_seq_port_subscribe_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_port_subscribe_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_port_subscribe_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_port_subscribe_free(snd_seq_port_subscribe_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_port_subscribe_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_port_subscribe_copy(snd_seq_port_subscribe_t *dst, const snd_seq_port_subscribe_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get sender address of a port_subscribe container
+ * \param info port_subscribe container
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_set_sender()
+ */
+const snd_seq_addr_t *snd_seq_port_subscribe_get_sender(const snd_seq_port_subscribe_t *info)
+{
+ assert(info);
+ return (const snd_seq_addr_t *)&info->sender;
+}
+
+/**
+ * \brief Get destination address of a port_subscribe container
+ * \param info port_subscribe container
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_set_dest()
+ */
+const snd_seq_addr_t *snd_seq_port_subscribe_get_dest(const snd_seq_port_subscribe_t *info)
+{
+ assert(info);
+ return (const snd_seq_addr_t *)&info->dest;
+}
+
+/**
+ * \brief Get the queue id of a port_subscribe container
+ * \param info port_subscribe container
+ * \return queue id
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_set_queue()
+ */
+int snd_seq_port_subscribe_get_queue(const snd_seq_port_subscribe_t *info)
+{
+ assert(info);
+ return info->queue;
+}
+
+/**
+ * \brief Get the exclusive mode of a port_subscribe container
+ * \param info port_subscribe container
+ * \return 1 if exclusive mode
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_set_exclusive()
+ */
+int snd_seq_port_subscribe_get_exclusive(const snd_seq_port_subscribe_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE) ? 1 : 0;
+}
+
+/**
+ * \brief Get the time-update mode of a port_subscribe container
+ * \param info port_subscribe container
+ * \return 1 if update timestamp
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_set_time_update()
+ */
+int snd_seq_port_subscribe_get_time_update(const snd_seq_port_subscribe_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_SUBS_TIMESTAMP) ? 1 : 0;
+}
+
+/**
+ * \brief Get the real-time update mode of a port_subscribe container
+ * \param info port_subscribe container
+ * \return 1 if real-time update mode
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_set_time_real()
+ */
+int snd_seq_port_subscribe_get_time_real(const snd_seq_port_subscribe_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_SUBS_TIME_REAL) ? 1 : 0;
+}
+
+/**
+ * \brief Set sender address of a port_subscribe container
+ * \param info port_subscribe container
+ * \param addr sender address
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_get_sender()
+ */
+void snd_seq_port_subscribe_set_sender(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr)
+{
+ assert(info);
+ memcpy(&info->sender, addr, sizeof(*addr));
+}
+
+/**
+ * \brief Set destination address of a port_subscribe container
+ * \param info port_subscribe container
+ * \param addr destination address
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_get_dest()
+ */
+void snd_seq_port_subscribe_set_dest(snd_seq_port_subscribe_t *info, const snd_seq_addr_t *addr)
+{
+ assert(info);
+ memcpy(&info->dest, addr, sizeof(*addr));
+}
+
+/**
+ * \brief Set the queue id of a port_subscribe container
+ * \param info port_subscribe container
+ * \param q queue id
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_get_queue()
+ */
+void snd_seq_port_subscribe_set_queue(snd_seq_port_subscribe_t *info, int q)
+{
+ assert(info);
+ info->queue = q;
+}
+
+/**
+ * \brief Set the exclusive mode of a port_subscribe container
+ * \param info port_subscribe container
+ * \param val non-zero to enable
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_get_exclusive()
+ */
+void snd_seq_port_subscribe_set_exclusive(snd_seq_port_subscribe_t *info, int val)
+{
+ assert(info);
+ if (val)
+ info->flags |= SNDRV_SEQ_PORT_SUBS_EXCLUSIVE;
+ else
+ info->flags &= ~SNDRV_SEQ_PORT_SUBS_EXCLUSIVE;
+}
+
+/**
+ * \brief Set the time-update mode of a port_subscribe container
+ * \param info port_subscribe container
+ * \param val non-zero to enable
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_get_time_update()
+ */
+void snd_seq_port_subscribe_set_time_update(snd_seq_port_subscribe_t *info, int val)
+{
+ assert(info);
+ if (val)
+ info->flags |= SNDRV_SEQ_PORT_SUBS_TIMESTAMP;
+ else
+ info->flags &= ~SNDRV_SEQ_PORT_SUBS_TIMESTAMP;
+}
+
+/**
+ * \brief Set the real-time mode of a port_subscribe container
+ * \param info port_subscribe container
+ * \param val non-zero to enable
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_port_subscribe_get_time_real()
+ */
+void snd_seq_port_subscribe_set_time_real(snd_seq_port_subscribe_t *info, int val)
+{
+ assert(info);
+ if (val)
+ info->flags |= SNDRV_SEQ_PORT_SUBS_TIME_REAL;
+ else
+ info->flags &= ~SNDRV_SEQ_PORT_SUBS_TIME_REAL;
+}
+
+
+/**
+ * \brief obtain subscription information
+ * \param seq sequencer handle
+ * \param sub pointer to return the subscription information
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_query_port_subscribers()
+ */
+int snd_seq_get_port_subscription(snd_seq_t *seq, snd_seq_port_subscribe_t * sub)
+{
+ assert(seq && sub);
+ return seq->ops->get_port_subscription(seq, sub);
+}
+
+/**
+ * \brief subscribe a port connection
+ * \param seq sequencer handle
+ * \param sub subscription information
+ * \return 0 on success otherwise a negative error code
+ *
+ * Subscribes a connection between two ports.
+ * The subscription information is stored in sub argument.
+ *
+ * \sa snd_seq_get_port_subscription(), snd_seq_unsubscribe_port(),
+ * snd_seq_connect_from(), snd_seq_connect_to()
+ */
+int snd_seq_subscribe_port(snd_seq_t *seq, snd_seq_port_subscribe_t * sub)
+{
+ assert(seq && sub);
+ return seq->ops->subscribe_port(seq, sub);
+}
+
+/**
+ * \brief unsubscribe a connection between ports
+ * \param seq sequencer handle
+ * \param sub subscription information to disconnect
+ * \return 0 on success otherwise a negative error code
+ *
+ * Unsubscribes a connection between two ports,
+ * described in sender and dest fields in sub argument.
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_disconnect_from(), snd_seq_disconnect_to()
+ */
+int snd_seq_unsubscribe_port(snd_seq_t *seq, snd_seq_port_subscribe_t * sub)
+{
+ assert(seq && sub);
+ return seq->ops->unsubscribe_port(seq, sub);
+}
+
+
+/**
+ * \brief get size of #snd_seq_query_subscribe_t
+ * \return size in bytes
+ */
+size_t snd_seq_query_subscribe_sizeof()
+{
+ return sizeof(snd_seq_query_subscribe_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_query_subscribe_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_query_subscribe_malloc(snd_seq_query_subscribe_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_query_subscribe_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_query_subscribe_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_query_subscribe_free(snd_seq_query_subscribe_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_query_subscribe_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_query_subscribe_copy(snd_seq_query_subscribe_t *dst, const snd_seq_query_subscribe_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get the client id of a query_subscribe container
+ * \param info query_subscribe container
+ * \return client id
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_set_client()
+ */
+int snd_seq_query_subscribe_get_client(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return info->root.client;
+}
+
+/**
+ * \brief Get the port id of a query_subscribe container
+ * \param info query_subscribe container
+ * \return port id
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_set_port()
+ */
+int snd_seq_query_subscribe_get_port(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return info->root.port;
+}
+
+/**
+ * \brief Get the client/port address of a query_subscribe container
+ * \param info query_subscribe container
+ * \return client/port address pointer
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_set_root()
+ */
+const snd_seq_addr_t *snd_seq_query_subscribe_get_root(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return (const snd_seq_addr_t *)&info->root;
+}
+
+/**
+ * \brief Get the query type of a query_subscribe container
+ * \param info query_subscribe container
+ * \return query type
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_set_type()
+ */
+snd_seq_query_subs_type_t snd_seq_query_subscribe_get_type(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return info->type;
+}
+
+/**
+ * \brief Get the index of subscriber of a query_subscribe container
+ * \param info query_subscribe container
+ * \return subscriber's index
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_set_index()
+ */
+int snd_seq_query_subscribe_get_index(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return info->index;
+}
+
+/**
+ * \brief Get the number of subscriptions of a query_subscribe container
+ * \param info query_subscribe container
+ * \return number of subscriptions
+ *
+ * \sa snd_seq_query_port_subscribers()
+ */
+int snd_seq_query_subscribe_get_num_subs(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return info->num_subs;
+}
+
+/**
+ * \brief Get the address of subscriber of a query_subscribe container
+ * \param info query_subscribe container
+ * \return subscriber's address pointer
+ *
+ * \sa snd_seq_query_port_subscribers()
+ */
+const snd_seq_addr_t *snd_seq_query_subscribe_get_addr(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return (const snd_seq_addr_t *)&info->addr;
+}
+
+/**
+ * \brief Get the queue id of subscriber of a query_subscribe container
+ * \param info query_subscribe container
+ * \return subscriber's queue id
+ *
+ * \sa snd_seq_query_port_subscribers()
+ */
+int snd_seq_query_subscribe_get_queue(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return info->queue;
+}
+
+/**
+ * \brief Get the exclusive mode of a query_subscribe container
+ * \param info query_subscribe container
+ * \return 1 if exclusive mode
+ *
+ * \sa snd_seq_query_port_subscribers()
+ */
+int snd_seq_query_subscribe_get_exclusive(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE) ? 1 : 0;
+}
+
+/**
+ * \brief Get the time-update mode of a query_subscribe container
+ * \param info query_subscribe container
+ * \return 1 if update timestamp
+ *
+ * \sa snd_seq_query_port_subscribers()
+ */
+int snd_seq_query_subscribe_get_time_update(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_SUBS_TIMESTAMP) ? 1 : 0;
+}
+
+/**
+ * \brief Get the real-time update mode of a query_subscribe container
+ * \param info query_subscribe container
+ * \return 1 if real-time update mode
+ *
+ * \sa snd_seq_query_port_subscribers()
+ */
+int snd_seq_query_subscribe_get_time_real(const snd_seq_query_subscribe_t *info)
+{
+ assert(info);
+ return (info->flags & SNDRV_SEQ_PORT_SUBS_TIMESTAMP) ? 1 : 0;
+}
+
+/**
+ * \brief Set the client id of a query_subscribe container
+ * \param info query_subscribe container
+ * \param client client id
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_get_client()
+ */
+void snd_seq_query_subscribe_set_client(snd_seq_query_subscribe_t *info, int client)
+{
+ assert(info);
+ info->root.client = client;
+}
+
+/**
+ * \brief Set the port id of a query_subscribe container
+ * \param info query_subscribe container
+ * \param port port id
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_get_port()
+ */
+void snd_seq_query_subscribe_set_port(snd_seq_query_subscribe_t *info, int port)
+{
+ assert(info);
+ info->root.port = port;
+}
+
+/**
+ * \brief Set the client/port address of a query_subscribe container
+ * \param info query_subscribe container
+ * \param addr client/port address pointer
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_get_root()
+ */
+void snd_seq_query_subscribe_set_root(snd_seq_query_subscribe_t *info, const snd_seq_addr_t *addr)
+{
+ assert(info);
+ info->root = *(const struct snd_seq_addr *)addr;
+}
+
+/**
+ * \brief Set the query type of a query_subscribe container
+ * \param info query_subscribe container
+ * \param type query type
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_get_type()
+ */
+void snd_seq_query_subscribe_set_type(snd_seq_query_subscribe_t *info, snd_seq_query_subs_type_t type)
+{
+ assert(info);
+ info->type = type;
+}
+
+/**
+ * \brief Set the subscriber's index to be queried
+ * \param info query_subscribe container
+ * \param index index to be queried
+ *
+ * \sa snd_seq_query_port_subscribers(), snd_seq_query_subscribe_get_index()
+ */
+void snd_seq_query_subscribe_set_index(snd_seq_query_subscribe_t *info, int index)
+{
+ assert(info);
+ info->index = index;
+}
+
+
+/**
+ * \brief query port subscriber list
+ * \param seq sequencer handle
+ * \param subs subscription to query
+ * \return 0 on success otherwise a negative error code
+ *
+ * Queries the subscribers accessing to a port.
+ * The query information is specified in subs argument.
+ *
+ * At least, the client id, the port id, the index number and
+ * the query type must be set to perform a proper query.
+ * As the query type, #SND_SEQ_QUERY_SUBS_READ or #SND_SEQ_QUERY_SUBS_WRITE
+ * can be specified to check whether the readers or the writers to the port.
+ * To query the first subscription, set 0 to the index number. To list up
+ * all the subscriptions, call this function with the index numbers from 0
+ * until this returns a negative value.
+ *
+ * \sa snd_seq_get_port_subscription()
+ */
+int snd_seq_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs)
+{
+ assert(seq && subs);
+ return seq->ops->query_port_subscribers(seq, subs);
+}
+
+/*----------------------------------------------------------------*/
+
+/*
+ * queue handlers
+ */
+
+/**
+ * \brief get size of #snd_seq_queue_info_t
+ * \return size in bytes
+ */
+size_t snd_seq_queue_info_sizeof()
+{
+ return sizeof(snd_seq_queue_info_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_queue_info_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_queue_info_malloc(snd_seq_queue_info_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_queue_info_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_queue_info_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_queue_info_free(snd_seq_queue_info_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_queue_info_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_queue_info_copy(snd_seq_queue_info_t *dst, const snd_seq_queue_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get the queue id of a queue_info container
+ * \param info queue_info container
+ * \return queue id
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_set_queue()
+ */
+int snd_seq_queue_info_get_queue(const snd_seq_queue_info_t *info)
+{
+ assert(info);
+ return info->queue;
+}
+
+/**
+ * \brief Get the name of a queue_info container
+ * \param info queue_info container
+ * \return name string
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_set_name()
+ */
+const char *snd_seq_queue_info_get_name(const snd_seq_queue_info_t *info)
+{
+ assert(info);
+ return info->name;
+}
+
+/**
+ * \brief Get the owner client id of a queue_info container
+ * \param info queue_info container
+ * \return owner client id
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_set_owner()
+ */
+int snd_seq_queue_info_get_owner(const snd_seq_queue_info_t *info)
+{
+ assert(info);
+ return info->owner;
+}
+
+/**
+ * \brief Get the lock status of a queue_info container
+ * \param info queue_info container
+ * \return lock status --- non-zero = locked
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_set_locked()
+ */
+int snd_seq_queue_info_get_locked(const snd_seq_queue_info_t *info)
+{
+ assert(info);
+ return info->locked;
+}
+
+/**
+ * \brief Get the conditional bit flags of a queue_info container
+ * \param info queue_info container
+ * \return conditional bit flags
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_set_flags()
+ */
+unsigned int snd_seq_queue_info_get_flags(const snd_seq_queue_info_t *info)
+{
+ assert(info);
+ return info->flags;
+}
+
+/**
+ * \brief Set the name of a queue_info container
+ * \param info queue_info container
+ * \param name name string
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_get_name()
+ */
+void snd_seq_queue_info_set_name(snd_seq_queue_info_t *info, const char *name)
+{
+ assert(info && name);
+ strncpy(info->name, name, sizeof(info->name));
+}
+
+/**
+ * \brief Set the owner client id of a queue_info container
+ * \param info queue_info container
+ * \param owner client id
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_get_owner()
+ */
+void snd_seq_queue_info_set_owner(snd_seq_queue_info_t *info, int owner)
+{
+ assert(info);
+ info->owner = owner;
+}
+
+/**
+ * \brief Set the lock status of a queue_info container
+ * \param info queue_info container
+ * \param locked lock status
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_get_locked()
+ */
+void snd_seq_queue_info_set_locked(snd_seq_queue_info_t *info, int locked)
+{
+ assert(info);
+ info->locked = locked;
+}
+
+/**
+ * \brief Set the conditional bit flags of a queue_info container
+ * \param info queue_info container
+ * \param flags conditional bit flags
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_queue_info_get_flags()
+ */
+void snd_seq_queue_info_set_flags(snd_seq_queue_info_t *info, unsigned int flags)
+{
+ assert(info);
+ info->flags = flags;
+}
+
+
+/**
+ * \brief create a queue
+ * \param seq sequencer handle
+ * \param info queue information to initialize
+ * \return the queue id (zero or positive) on success otherwise a negative error code
+ *
+ * \sa snd_seq_alloc_queue()
+ */
+int snd_seq_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info)
+{
+ int err;
+ assert(seq && info);
+ info->owner = seq->client;
+ err = seq->ops->create_queue(seq, info);
+ if (err < 0)
+ return err;
+ return info->queue;
+}
+
+/**
+ * \brief allocate a queue with the specified name
+ * \param seq sequencer handle
+ * \param name the name of the new queue
+ * \return the queue id (zero or positive) on success otherwise a negative error code
+ *
+ * \sa snd_seq_alloc_queue()
+ */
+int snd_seq_alloc_named_queue(snd_seq_t *seq, const char *name)
+{
+ snd_seq_queue_info_t info;
+ memset(&info, 0, sizeof(info));
+ info.locked = 1;
+ if (name)
+ strncpy(info.name, name, sizeof(info.name) - 1);
+ return snd_seq_create_queue(seq, &info);
+}
+
+/**
+ * \brief allocate a queue
+ * \param seq sequencer handle
+ * \return the queue id (zero or positive) on success otherwise a negative error code
+ *
+ * \sa snd_seq_alloc_named_queue(), snd_seq_create_queue(), snd_seq_free_queue(),
+ * snd_seq_get_queue_info()
+ */
+int snd_seq_alloc_queue(snd_seq_t *seq)
+{
+ return snd_seq_alloc_named_queue(seq, NULL);
+}
+
+/**
+ * \brief delete the specified queue
+ * \param seq sequencer handle
+ * \param q queue id to delete
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_alloc_queue()
+ */
+int snd_seq_free_queue(snd_seq_t *seq, int q)
+{
+ snd_seq_queue_info_t info;
+ assert(seq);
+ memset(&info, 0, sizeof(info));
+ info.queue = q;
+ return seq->ops->delete_queue(seq, &info);
+}
+
+/**
+ * \brief obtain queue attributes
+ * \param seq sequencer handle
+ * \param q queue id to query
+ * \param info information returned
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_alloc_queue(), snd_seq_set_queue_info(), snd_seq_query_named_queue()
+ */
+int snd_seq_get_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info)
+{
+ assert(seq && info);
+ info->queue = q;
+ return seq->ops->get_queue_info(seq, info);
+}
+
+/**
+ * \brief change the queue attributes
+ * \param seq sequencer handle
+ * \param q queue id to change
+ * \param info information changed
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_get_queue_info()
+ */
+int snd_seq_set_queue_info(snd_seq_t *seq, int q, snd_seq_queue_info_t *info)
+{
+ assert(seq && info);
+ info->queue = q;
+ return seq->ops->set_queue_info(seq, info);
+}
+
+/**
+ * \brief query the matching queue with the specified name
+ * \param seq sequencer handle
+ * \param name the name string to query
+ * \return the queue id if found or negative error code
+ *
+ * Searches the matching queue with the specified name string.
+ *
+ * \sa snd_seq_get_queue_info()
+ */
+int snd_seq_query_named_queue(snd_seq_t *seq, const char *name)
+{
+ int err;
+ snd_seq_queue_info_t info;
+ assert(seq && name);
+ strncpy(info.name, name, sizeof(info.name));
+ err = seq->ops->get_named_queue(seq, &info);
+ if (err < 0)
+ return err;
+ return info.queue;
+}
+
+/**
+ * \brief Get the queue usage flag to the client
+ * \param seq sequencer handle
+ * \param q queue id
+ * \return 1 = client is allowed to access the queue, 0 = not allowed,
+ * otherwise a negative error code
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_set_queue_usage()
+ */
+int snd_seq_get_queue_usage(snd_seq_t *seq, int q)
+{
+ struct snd_seq_queue_client info;
+ int err;
+ assert(seq);
+ memset(&info, 0, sizeof(info));
+ info.queue = q;
+ info.client = seq->client;
+ if ((err = seq->ops->get_queue_client(seq, &info)) < 0)
+ return err;
+ return info.used;
+}
+
+/**
+ * \brief Set the queue usage flag to the client
+ * \param seq sequencer handle
+ * \param q queue id
+ * \param used non-zero if the client is allowed
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_get_queue_info(), snd_seq_set_queue_usage()
+ */
+int snd_seq_set_queue_usage(snd_seq_t *seq, int q, int used)
+{
+ struct snd_seq_queue_client info;
+ assert(seq);
+ memset(&info, 0, sizeof(info));
+ info.queue = q;
+ info.client = seq->client;
+ info.used = used ? 1 : 0;
+ return seq->ops->set_queue_client(seq, &info);
+}
+
+
+/**
+ * \brief get size of #snd_seq_queue_status_t
+ * \return size in bytes
+ */
+size_t snd_seq_queue_status_sizeof()
+{
+ return sizeof(snd_seq_queue_status_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_queue_status_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_queue_status_malloc(snd_seq_queue_status_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_queue_status_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_queue_status_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_queue_status_free(snd_seq_queue_status_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_queue_status_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_queue_status_copy(snd_seq_queue_status_t *dst, const snd_seq_queue_status_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get the queue id of a queue_status container
+ * \param info queue_status container
+ * \return queue id
+ *
+ * \sa snd_seq_get_queue_status()
+ */
+int snd_seq_queue_status_get_queue(const snd_seq_queue_status_t *info)
+{
+ assert(info);
+ return info->queue;
+}
+
+/**
+ * \brief Get the number of events of a queue_status container
+ * \param info queue_status container
+ * \return number of events
+ *
+ * \sa snd_seq_get_queue_status()
+ */
+int snd_seq_queue_status_get_events(const snd_seq_queue_status_t *info)
+{
+ assert(info);
+ return info->events;
+}
+
+/**
+ * \brief Get the tick time of a queue_status container
+ * \param info queue_status container
+ * \return tick time
+ *
+ * \sa snd_seq_get_queue_status()
+ */
+snd_seq_tick_time_t snd_seq_queue_status_get_tick_time(const snd_seq_queue_status_t *info)
+{
+ assert(info);
+ return info->tick;
+}
+
+/**
+ * \brief Get the real time of a queue_status container
+ * \param info queue_status container
+ *
+ * \sa snd_seq_get_queue_status()
+ */
+const snd_seq_real_time_t *snd_seq_queue_status_get_real_time(const snd_seq_queue_status_t *info)
+{
+ assert(info);
+ return (const snd_seq_real_time_t *)&info->time;
+}
+
+/**
+ * \brief Get the running status bits of a queue_status container
+ * \param info queue_status container
+ * \return running status bits
+ *
+ * \sa snd_seq_get_queue_status()
+ */
+unsigned int snd_seq_queue_status_get_status(const snd_seq_queue_status_t *info)
+{
+ assert(info);
+ return info->running;
+}
+
+
+/**
+ * \brief obtain the running state of the queue
+ * \param seq sequencer handle
+ * \param q queue id to query
+ * \param status pointer to store the current status
+ * \return 0 on success otherwise a negative error code
+ *
+ * Obtains the running state of the specified queue q.
+ */
+int snd_seq_get_queue_status(snd_seq_t *seq, int q, snd_seq_queue_status_t * status)
+{
+ assert(seq && status);
+ memset(status, 0, sizeof(snd_seq_queue_status_t));
+ status->queue = q;
+ return seq->ops->get_queue_status(seq, status);
+}
+
+
+/**
+ * \brief get size of #snd_seq_queue_tempo_t
+ * \return size in bytes
+ */
+size_t snd_seq_queue_tempo_sizeof()
+{
+ return sizeof(snd_seq_queue_tempo_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_queue_tempo_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_queue_tempo_malloc(snd_seq_queue_tempo_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_queue_tempo_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_queue_tempo_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_queue_tempo_free(snd_seq_queue_tempo_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_queue_tempo_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_queue_tempo_copy(snd_seq_queue_tempo_t *dst, const snd_seq_queue_tempo_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get the queue id of a queue_status container
+ * \param info queue_status container
+ * \return queue id
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+int snd_seq_queue_tempo_get_queue(const snd_seq_queue_tempo_t *info)
+{
+ assert(info);
+ return info->queue;
+}
+
+/**
+ * \brief Get the tempo of a queue_status container
+ * \param info queue_status container
+ * \return tempo value
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+unsigned int snd_seq_queue_tempo_get_tempo(const snd_seq_queue_tempo_t *info)
+{
+ assert(info);
+ return info->tempo;
+}
+
+/**
+ * \brief Get the ppq of a queue_status container
+ * \param info queue_status container
+ * \return ppq value
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+int snd_seq_queue_tempo_get_ppq(const snd_seq_queue_tempo_t *info)
+{
+ assert(info);
+ return info->ppq;
+}
+
+/**
+ * \brief Get the timer skew value of a queue_status container
+ * \param info queue_status container
+ * \return timer skew value
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+unsigned int snd_seq_queue_tempo_get_skew(const snd_seq_queue_tempo_t *info)
+{
+ assert(info);
+ return info->skew_value;
+}
+
+/**
+ * \brief Get the timer skew base value of a queue_status container
+ * \param info queue_status container
+ * \return timer skew base value
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+unsigned int snd_seq_queue_tempo_get_skew_base(const snd_seq_queue_tempo_t *info)
+{
+ assert(info);
+ return info->skew_base;
+}
+
+/**
+ * \brief Set the tempo of a queue_status container
+ * \param info queue_status container
+ * \param tempo tempo value
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+void snd_seq_queue_tempo_set_tempo(snd_seq_queue_tempo_t *info, unsigned int tempo)
+{
+ assert(info);
+ info->tempo = tempo;
+}
+
+/**
+ * \brief Set the ppq of a queue_status container
+ * \param info queue_status container
+ * \param ppq ppq value
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+void snd_seq_queue_tempo_set_ppq(snd_seq_queue_tempo_t *info, int ppq)
+{
+ assert(info);
+ info->ppq = ppq;
+}
+
+/**
+ * \brief Set the timer skew value of a queue_status container
+ * \param info queue_status container
+ * \param skew timer skew value
+ *
+ * The skew of timer is calculated as skew / base.
+ * For example, to play with double speed, pass base * 2 as the skew value.
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+void snd_seq_queue_tempo_set_skew(snd_seq_queue_tempo_t *info, unsigned int skew)
+{
+ assert(info);
+ info->skew_value = skew;
+}
+
+/**
+ * \brief Set the timer skew base value of a queue_status container
+ * \param info queue_status container
+ * \param base timer skew base value
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+void snd_seq_queue_tempo_set_skew_base(snd_seq_queue_tempo_t *info, unsigned int base)
+{
+ assert(info);
+ info->skew_base = base;
+}
+
+/**
+ * \brief obtain the current tempo of the queue
+ * \param seq sequencer handle
+ * \param q queue id to be queried
+ * \param tempo pointer to store the current tempo
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_set_queue_tempo()
+ */
+int snd_seq_get_queue_tempo(snd_seq_t *seq, int q, snd_seq_queue_tempo_t * tempo)
+{
+ assert(seq && tempo);
+ memset(tempo, 0, sizeof(snd_seq_queue_tempo_t));
+ tempo->queue = q;
+ return seq->ops->get_queue_tempo(seq, tempo);
+}
+
+/**
+ * \brief set the tempo of the queue
+ * \param seq sequencer handle
+ * \param q queue id to change the tempo
+ * \param tempo tempo information
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_get_queue_tempo()
+ */
+int snd_seq_set_queue_tempo(snd_seq_t *seq, int q, snd_seq_queue_tempo_t * tempo)
+{
+ assert(seq && tempo);
+ tempo->queue = q;
+ return seq->ops->set_queue_tempo(seq, tempo);
+}
+
+
+/*----------------------------------------------------------------*/
+
+/**
+ * \brief get size of #snd_seq_queue_timer_t
+ * \return size in bytes
+ */
+size_t snd_seq_queue_timer_sizeof()
+{
+ return sizeof(snd_seq_queue_timer_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_queue_timer_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_queue_timer_malloc(snd_seq_queue_timer_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_queue_timer_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_queue_timer_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_queue_timer_free(snd_seq_queue_timer_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_queue_timer_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_queue_timer_copy(snd_seq_queue_timer_t *dst, const snd_seq_queue_timer_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get the queue id of a queue_timer container
+ * \param info queue_timer container
+ * \return queue id
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+int snd_seq_queue_timer_get_queue(const snd_seq_queue_timer_t *info)
+{
+ assert(info);
+ return info->queue;
+}
+
+/**
+ * \brief Get the timer type of a queue_timer container
+ * \param info queue_timer container
+ * \return timer type
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+snd_seq_queue_timer_type_t snd_seq_queue_timer_get_type(const snd_seq_queue_timer_t *info)
+{
+ assert(info);
+ return (snd_seq_queue_timer_type_t)info->type;
+}
+
+/**
+ * \brief Get the timer id of a queue_timer container
+ * \param info queue_timer container
+ * \return timer id pointer
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+const snd_timer_id_t *snd_seq_queue_timer_get_id(const snd_seq_queue_timer_t *info)
+{
+ assert(info);
+ return &info->u.alsa.id;
+}
+
+/**
+ * \brief Get the timer resolution of a queue_timer container
+ * \param info queue_timer container
+ * \return timer resolution
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+unsigned int snd_seq_queue_timer_get_resolution(const snd_seq_queue_timer_t *info)
+{
+ assert(info);
+ return info->u.alsa.resolution;
+}
+
+/**
+ * \brief Set the timer type of a queue_timer container
+ * \param info queue_timer container
+ * \param type timer type
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+void snd_seq_queue_timer_set_type(snd_seq_queue_timer_t *info, snd_seq_queue_timer_type_t type)
+{
+ assert(info);
+ info->type = (int)type;
+}
+
+/**
+ * \brief Set the timer id of a queue_timer container
+ * \param info queue_timer container
+ * \param id timer id pointer
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+void snd_seq_queue_timer_set_id(snd_seq_queue_timer_t *info, const snd_timer_id_t *id)
+{
+ assert(info && id);
+ info->u.alsa.id = *id;
+}
+
+/**
+ * \brief Set the timer resolution of a queue_timer container
+ * \param info queue_timer container
+ * \param resolution timer resolution
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+void snd_seq_queue_timer_set_resolution(snd_seq_queue_timer_t *info, unsigned int resolution)
+{
+ assert(info);
+ info->u.alsa.resolution = resolution;
+}
+
+
+/**
+ * \brief obtain the queue timer information
+ * \param seq sequencer handle
+ * \param q queue id to query
+ * \param timer pointer to store the timer information
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_set_queue_timer()
+ */
+int snd_seq_get_queue_timer(snd_seq_t *seq, int q, snd_seq_queue_timer_t * timer)
+{
+ assert(seq && timer);
+ memset(timer, 0, sizeof(snd_seq_queue_timer_t));
+ timer->queue = q;
+ return seq->ops->get_queue_timer(seq, timer);
+}
+
+/**
+ * \brief set the queue timer information
+ * \param seq sequencer handle
+ * \param q queue id to change the timer
+ * \param timer timer information
+ * \return 0 on success otherwise a negative error code
+ *
+ * \sa snd_seq_get_queue_timer()
+ */
+int snd_seq_set_queue_timer(snd_seq_t *seq, int q, snd_seq_queue_timer_t * timer)
+{
+ assert(seq && timer);
+ timer->queue = q;
+ return seq->ops->set_queue_timer(seq, timer);
+}
+
+/*----------------------------------------------------------------*/
+
+#ifndef DOC_HIDDEN
+/**
+ * \brief (DEPRECATED) create an event cell
+ * \return the cell pointer allocated
+ *
+ * create an event cell via malloc. the returned pointer must be released
+ * by the application itself via normal free() call,
+ * not via snd_seq_free_event().
+ */
+snd_seq_event_t *snd_seq_create_event(void)
+{
+ return (snd_seq_event_t *) calloc(1, sizeof(snd_seq_event_t));
+}
+#endif
+
+/**
+ * \brief (DEPRECATED) free an event
+ *
+ * In the former version, this function was used to
+ * release the event pointer which was allocated by snd_seq_event_input().
+ * In the current version, the event record is not allocated, so
+ * you don't have to call this function any more.
+ */
+#ifndef DOXYGEN
+int snd_seq_free_event(snd_seq_event_t *ev ATTRIBUTE_UNUSED)
+#else
+int snd_seq_free_event(snd_seq_event_t *ev)
+#endif
+{
+ return 0;
+}
+
+/**
+ * \brief calculates the (encoded) byte-stream size of the event
+ * \param ev the event
+ * \return the size of decoded bytes
+ */
+ssize_t snd_seq_event_length(snd_seq_event_t *ev)
+{
+ ssize_t len = sizeof(snd_seq_event_t);
+ assert(ev);
+ if (snd_seq_ev_is_variable(ev))
+ len += ev->data.ext.len;
+ return len;
+}
+
+/*----------------------------------------------------------------*/
+
+/*
+ * output to sequencer
+ */
+
+/**
+ * \brief output an event
+ * \param seq sequencer handle
+ * \param ev event to be output
+ * \return the number of remaining events or a negative error code
+ *
+ * An event is once expanded on the output buffer.
+ * The output buffer will be drained automatically if it becomes full.
+ *
+ * If events remain unprocessed on output buffer before drained,
+ * the size of total byte data on output buffer is returned.
+ * If the output buffer is empty, this returns zero.
+ *
+ * \sa snd_seq_event_output_direct(), snd_seq_event_output_buffer(),
+ * snd_seq_event_output_pending(), snd_seq_drain_output(),
+ * snd_seq_drop_output(), snd_seq_extract_output(),
+ * snd_seq_remove_events()
+ */
+int snd_seq_event_output(snd_seq_t *seq, snd_seq_event_t *ev)
+{
+ int result;
+
+ result = snd_seq_event_output_buffer(seq, ev);
+ if (result == -EAGAIN) {
+ result = snd_seq_drain_output(seq);
+ if (result < 0)
+ return result;
+ return snd_seq_event_output_buffer(seq, ev);
+ }
+ return result;
+}
+
+/**
+ * \brief output an event onto the lib buffer without draining buffer
+ * \param seq sequencer handle
+ * \param ev event to be output
+ * \return the byte size of remaining events. \c -EAGAIN if the buffer becomes full.
+ *
+ * This function doesn't drain buffer unlike snd_seq_event_output().
+ *
+ * \sa snd_seq_event_output()
+ */
+int snd_seq_event_output_buffer(snd_seq_t *seq, snd_seq_event_t *ev)
+{
+ int len;
+ assert(seq && ev);
+ len = snd_seq_event_length(ev);
+ if (len < 0)
+ return -EINVAL;
+ if ((size_t) len >= seq->obufsize)
+ return -EINVAL;
+ if ((seq->obufsize - seq->obufused) < (size_t) len)
+ return -EAGAIN;
+ memcpy(seq->obuf + seq->obufused, ev, sizeof(snd_seq_event_t));
+ seq->obufused += sizeof(snd_seq_event_t);
+ if (snd_seq_ev_is_variable(ev)) {
+ memcpy(seq->obuf + seq->obufused, ev->data.ext.ptr, ev->data.ext.len);
+ seq->obufused += ev->data.ext.len;
+ }
+ return seq->obufused;
+}
+
+/*
+ * allocate the temporary buffer
+ */
+static int alloc_tmpbuf(snd_seq_t *seq, size_t len)
+{
+ size_t size = ((len + sizeof(snd_seq_event_t) - 1) / sizeof(snd_seq_event_t));
+ if (seq->tmpbuf == NULL) {
+ if (size > DEFAULT_TMPBUF_SIZE)
+ seq->tmpbufsize = size;
+ else
+ seq->tmpbufsize = DEFAULT_TMPBUF_SIZE;
+ seq->tmpbuf = malloc(seq->tmpbufsize * sizeof(snd_seq_event_t));
+ if (seq->tmpbuf == NULL)
+ return -ENOMEM;
+ } else if (len > seq->tmpbufsize) {
+ seq->tmpbuf = realloc(seq->tmpbuf, size * sizeof(snd_seq_event_t));
+ if (seq->tmpbuf == NULL)
+ return -ENOMEM;
+ seq->tmpbufsize = size;
+ }
+ return 0;
+}
+
+/**
+ * \brief output an event directly to the sequencer NOT through output buffer
+ * \param seq sequencer handle
+ * \param ev event to be output
+ * \return the byte size sent to sequencer or a negative error code
+ *
+ * This function sends an event to the sequencer directly not through the
+ * output buffer. When the event is a variable length event, a temporary
+ * buffer is allocated inside alsa-lib and the data is copied there before
+ * actually sent.
+ *
+ * \sa snd_seq_event_output()
+ */
+int snd_seq_event_output_direct(snd_seq_t *seq, snd_seq_event_t *ev)
+{
+ ssize_t len;
+ void *buf;
+
+ len = snd_seq_event_length(ev);
+ if (len < 0)
+ return len;
+ else if (len == sizeof(*ev)) {
+ buf = ev;
+ } else {
+ if (alloc_tmpbuf(seq, (size_t)len) < 0)
+ return -ENOMEM;
+ *seq->tmpbuf = *ev;
+ memcpy(seq->tmpbuf + 1, ev->data.ext.ptr, ev->data.ext.len);
+ buf = seq->tmpbuf;
+ }
+ return seq->ops->write(seq, buf, (size_t) len);
+}
+
+/**
+ * \brief return the size of pending events on output buffer
+ * \param seq sequencer handle
+ * \return the byte size of total of pending events
+ *
+ * \sa snd_seq_event_output()
+ */
+int snd_seq_event_output_pending(snd_seq_t *seq)
+{
+ assert(seq);
+ return seq->obufused;
+}
+
+/**
+ * \brief drain output buffer to sequencer
+ * \param seq sequencer handle
+ * \return 0 when all events are drained and sent to sequencer.
+ * When events still remain on the buffer, the byte size of remaining
+ * events are returned. On error a negative error code is returned.
+ *
+ * This function drains all pending events on the output buffer.
+ * The function returns immediately after the events are sent to the queues
+ * regardless whether the events are processed or not.
+ * To get synchronization with the all event processes, use
+ * #snd_seq_sync_output_queue() after calling this function.
+ *
+ * \sa snd_seq_event_output(), snd_seq_sync_output_queue()
+ */
+int snd_seq_drain_output(snd_seq_t *seq)
+{
+ ssize_t result, processed = 0;
+ assert(seq);
+ while (seq->obufused > 0) {
+ result = seq->ops->write(seq, seq->obuf, seq->obufused);
+ if (result < 0) {
+ if (result == -EAGAIN && processed)
+ return seq->obufused;
+ return result;
+ }
+ if ((size_t)result < seq->obufused)
+ memmove(seq->obuf, seq->obuf + result, seq->obufused - result);
+ seq->obufused -= result;
+ }
+ return 0;
+}
+
+/**
+ * \brief extract the first event in output buffer
+ * \param seq sequencer handle
+ * \param ev_res event pointer to be extracted
+ * \return 0 on success otherwise a negative error code
+ *
+ * Extracts the first event in output buffer.
+ * If ev_res is NULL, just remove the event.
+ *
+ * \sa snd_seq_event_output()
+ */
+int snd_seq_extract_output(snd_seq_t *seq, snd_seq_event_t **ev_res)
+{
+ size_t len, olen;
+ snd_seq_event_t ev;
+ assert(seq);
+ if (ev_res)
+ *ev_res = NULL;
+ if ((olen = seq->obufused) < sizeof(snd_seq_event_t))
+ return -ENOENT;
+ memcpy(&ev, seq->obuf, sizeof(snd_seq_event_t));
+ len = snd_seq_event_length(&ev);
+ if (ev_res) {
+ /* extract the event */
+ if (alloc_tmpbuf(seq, len) < 0)
+ return -ENOMEM;
+ memcpy(seq->tmpbuf, seq->obuf, len);
+ *ev_res = seq->tmpbuf;
+ }
+ seq->obufused = olen - len;
+ memmove(seq->obuf, seq->obuf + len, seq->obufused);
+ return 0;
+}
+
+/*----------------------------------------------------------------*/
+
+/*
+ * input from sequencer
+ */
+
+/*
+ * read from sequencer to input buffer
+ */
+static ssize_t snd_seq_event_read_buffer(snd_seq_t *seq)
+{
+ ssize_t len;
+ len = (seq->ops->read)(seq, seq->ibuf, seq->ibufsize * sizeof(snd_seq_event_t));
+ if (len < 0)
+ return len;
+ seq->ibuflen = len / sizeof(snd_seq_event_t);
+ seq->ibufptr = 0;
+ return seq->ibuflen;
+}
+
+static int snd_seq_event_retrieve_buffer(snd_seq_t *seq, snd_seq_event_t **retp)
+{
+ size_t ncells;
+ snd_seq_event_t *ev;
+
+ *retp = ev = &seq->ibuf[seq->ibufptr];
+ seq->ibufptr++;
+ seq->ibuflen--;
+ if (! snd_seq_ev_is_variable(ev))
+ return 1;
+ ncells = (ev->data.ext.len + sizeof(snd_seq_event_t) - 1) / sizeof(snd_seq_event_t);
+ if (seq->ibuflen < ncells) {
+ seq->ibuflen = 0; /* clear buffer */
+ *retp = NULL;
+ return -EINVAL;
+ }
+ ev->data.ext.ptr = ev + 1;
+ seq->ibuflen -= ncells;
+ seq->ibufptr += ncells;
+ return 1;
+}
+
+/**
+ * \brief retrieve an event from sequencer
+ * \param seq sequencer handle
+ * \param ev event pointer to be stored
+ * \return
+ *
+ * Obtains an input event from sequencer.
+ * The event is created via snd_seq_create_event(), and its pointer is stored on
+ * ev argument.
+ *
+ * This function firstly receives the event byte-stream data from sequencer
+ * as much as possible at once. Then it retrieves the first event record
+ * and store the pointer on ev.
+ * By calling this function sequentially, events are extracted from the input buffer.
+ *
+ * If there is no input from sequencer, function falls into sleep
+ * in blocking mode until an event is received,
+ * or returns \c -EAGAIN error in non-blocking mode.
+ * Occasionally, this function may return \c -ENOSPC error.
+ * This means that the input FIFO of sequencer overran, and some events are
+ * lost.
+ * Once this error is returned, the input FIFO is cleared automatically.
+ *
+ * Function returns the byte size of remaining events on the input buffer
+ * if an event is successfully received.
+ * Application can determine from the returned value whether to call
+ * input once more or not.
+ *
+ * \sa snd_seq_event_input_pending(), snd_seq_drop_input()
+ */
+int snd_seq_event_input(snd_seq_t *seq, snd_seq_event_t **ev)
+{
+ int err;
+ assert(seq);
+ *ev = NULL;
+ if (seq->ibuflen <= 0) {
+ if ((err = snd_seq_event_read_buffer(seq)) < 0)
+ return err;
+ }
+
+ return snd_seq_event_retrieve_buffer(seq, ev);
+}
+
+/*
+ * read input data from sequencer if available
+ */
+static int snd_seq_event_input_feed(snd_seq_t *seq, int timeout)
+{
+ struct pollfd pfd;
+ int err;
+ pfd.fd = seq->poll_fd;
+ pfd.events = POLLIN;
+ err = poll(&pfd, 1, timeout);
+ if (err < 0) {
+ SYSERR("poll");
+ return -errno;
+ }
+ if (pfd.revents & POLLIN)
+ return snd_seq_event_read_buffer(seq);
+ return seq->ibuflen;
+}
+
+/**
+ * \brief check events in input buffer
+ * \return the byte size of remaining input events on input buffer.
+ *
+ * If events remain on the input buffer of user-space, function returns
+ * the total byte size of events on it.
+ * If fetch_sequencer argument is non-zero,
+ * this function checks the presence of events on sequencer FIFO
+ * When events exist, they are transferred to the input buffer,
+ * and the number of received events are returned.
+ * If fetch_sequencer argument is zero and
+ * no events remain on the input buffer, function simply returns zero.
+ *
+ * \sa snd_seq_event_input()
+ */
+int snd_seq_event_input_pending(snd_seq_t *seq, int fetch_sequencer)
+{
+ if (seq->ibuflen == 0 && fetch_sequencer) {
+ return snd_seq_event_input_feed(seq, 0);
+ }
+ return seq->ibuflen;
+}
+
+/*----------------------------------------------------------------*/
+
+/*
+ * clear event buffers
+ */
+
+/**
+ * \brief remove all events on user-space output buffer
+ * \param seq sequencer handle
+ *
+ * Removes all events on user-space output buffer.
+ * Unlike snd_seq_drain_output(), this function doesn't remove
+ * events on output memory pool of sequencer.
+ *
+ * \sa snd_seq_drop_output()
+ */
+int snd_seq_drop_output_buffer(snd_seq_t *seq)
+{
+ assert(seq);
+ seq->obufused = 0;
+ return 0;
+}
+
+/**
+ * \brief remove all events on user-space input FIFO
+ * \param seq sequencer handle
+ *
+ * \sa snd_seq_drop_input()
+ */
+int snd_seq_drop_input_buffer(snd_seq_t *seq)
+{
+ assert(seq);
+ seq->ibufptr = 0;
+ seq->ibuflen = 0;
+ return 0;
+}
+
+/**
+ * \brief remove all events on output buffer
+ * \param seq sequencer handle
+ *
+ * Removes all events on both user-space output buffer and
+ * output memory pool on kernel.
+ *
+ * \sa snd_seq_drain_output(), snd_seq_drop_output_buffer(), snd_seq_remove_events()
+ */
+int snd_seq_drop_output(snd_seq_t *seq)
+{
+ snd_seq_remove_events_t rminfo;
+ assert(seq);
+
+ memset(&rminfo, 0, sizeof(rminfo));
+ rminfo.remove_mode = SNDRV_SEQ_REMOVE_OUTPUT;
+
+ return snd_seq_remove_events(seq, &rminfo);
+}
+
+/**
+ * \brief clear input buffer and and remove events in sequencer queue
+ * \param seq sequencer handle
+ *
+ * \sa snd_seq_drop_input_buffer(), snd_seq_remove_events()
+ */
+int snd_seq_drop_input(snd_seq_t *seq)
+{
+ snd_seq_remove_events_t rminfo;
+ assert(seq);
+
+ memset(&rminfo, 0, sizeof(rminfo));
+ rminfo.remove_mode = SNDRV_SEQ_REMOVE_INPUT;
+
+ return snd_seq_remove_events(seq, &rminfo);
+}
+
+
+/**
+ * \brief get size of #snd_seq_remove_events_t
+ * \return size in bytes
+ */
+size_t snd_seq_remove_events_sizeof()
+{
+ return sizeof(snd_seq_remove_events_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_remove_events_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_remove_events_malloc(snd_seq_remove_events_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_remove_events_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_remove_events_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_remove_events_free(snd_seq_remove_events_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_remove_events_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_remove_events_copy(snd_seq_remove_events_t *dst, const snd_seq_remove_events_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get the removal condition bits
+ * \param info remove_events container
+ * \return removal condition bits
+ *
+ * \sa snd_seq_remove_events()
+ */
+unsigned int snd_seq_remove_events_get_condition(const snd_seq_remove_events_t *info)
+{
+ assert(info);
+ return info->remove_mode;
+}
+
+/**
+ * \brief Get the queue as removal condition
+ * \param info remove_events container
+ * \return queue id
+ *
+ * \sa snd_seq_remove_events()
+ */
+int snd_seq_remove_events_get_queue(const snd_seq_remove_events_t *info)
+{
+ assert(info);
+ return info->queue;
+}
+
+/**
+ * \brief Get the event timestamp as removal condition
+ * \param info remove_events container
+ * \return time stamp
+ *
+ * \sa snd_seq_remove_events()
+ */
+const snd_seq_timestamp_t *snd_seq_remove_events_get_time(const snd_seq_remove_events_t *info)
+{
+ assert(info);
+ return (const snd_seq_timestamp_t *)&info->time;
+}
+
+/**
+ * \brief Get the event destination address as removal condition
+ * \param info remove_events container
+ * \return destination address
+ *
+ * \sa snd_seq_remove_events()
+ */
+const snd_seq_addr_t *snd_seq_remove_events_get_dest(const snd_seq_remove_events_t *info)
+{
+ assert(info);
+ return (const snd_seq_addr_t *)&info->dest;
+}
+
+/**
+ * \brief Get the event channel as removal condition
+ * \param info remove_events container
+ * \return channel number
+ *
+ * \sa snd_seq_remove_events()
+ */
+int snd_seq_remove_events_get_channel(const snd_seq_remove_events_t *info)
+{
+ assert(info);
+ return info->channel;
+}
+
+/**
+ * \brief Get the event type as removal condition
+ * \param info remove_events container
+ * \return event type
+ *
+ * \sa snd_seq_remove_events()
+ */
+int snd_seq_remove_events_get_event_type(const snd_seq_remove_events_t *info)
+{
+ assert(info);
+ return info->type;
+}
+
+/**
+ * \brief Get the event tag id as removal condition
+ * \param info remove_events container
+ * \return tag id
+ *
+ * \sa snd_seq_remove_events()
+ */
+int snd_seq_remove_events_get_tag(const snd_seq_remove_events_t *info)
+{
+ assert(info);
+ return info->tag;
+}
+
+/**
+ * \brief Set the removal condition bits
+ * \param info remove_events container
+ * \param flags removal condition bits
+ *
+ * \sa snd_seq_remove_events()
+ */
+void snd_seq_remove_events_set_condition(snd_seq_remove_events_t *info, unsigned int flags)
+{
+ assert(info);
+ info->remove_mode = flags;
+}
+
+/**
+ * \brief Set the queue as removal condition
+ * \param info remove_events container
+ * \param queue queue id
+ *
+ * \sa snd_seq_remove_events()
+ */
+void snd_seq_remove_events_set_queue(snd_seq_remove_events_t *info, int queue)
+{
+ assert(info);
+ info->queue = queue;
+}
+
+/**
+ * \brief Set the timestamp as removal condition
+ * \param info remove_events container
+ * \param time timestamp pointer
+ *
+ * \sa snd_seq_remove_events()
+ */
+void snd_seq_remove_events_set_time(snd_seq_remove_events_t *info, const snd_seq_timestamp_t *time)
+{
+ assert(info);
+ info->time = *(const union sndrv_seq_timestamp *)time;
+}
+
+/**
+ * \brief Set the destination address as removal condition
+ * \param info remove_events container
+ * \param addr destination address
+ *
+ * \sa snd_seq_remove_events()
+ */
+void snd_seq_remove_events_set_dest(snd_seq_remove_events_t *info, const snd_seq_addr_t *addr)
+{
+ assert(info);
+ info->dest = *(const struct sndrv_seq_addr *)addr;
+}
+
+/**
+ * \brief Set the channel as removal condition
+ * \param info remove_events container
+ * \param channel channel number
+ *
+ * \sa snd_seq_remove_events()
+ */
+void snd_seq_remove_events_set_channel(snd_seq_remove_events_t *info, int channel)
+{
+ assert(info);
+ info->channel = channel;
+}
+
+/**
+ * \brief Set the event type as removal condition
+ * \param info remove_events container
+ * \param type event type
+ *
+ * \sa snd_seq_remove_events()
+ */
+void snd_seq_remove_events_set_event_type(snd_seq_remove_events_t *info, int type)
+{
+ assert(info);
+ info->type = type;
+}
+
+/**
+ * \brief Set the event tag as removal condition
+ * \param info remove_events container
+ * \param tag tag id
+ *
+ * \sa snd_seq_remove_events()
+ */
+void snd_seq_remove_events_set_tag(snd_seq_remove_events_t *info, int tag)
+{
+ assert(info);
+ info->tag = tag;
+}
+
+
+/* compare timestamp between events */
+/* return 1 if a >= b; otherwise return 0 */
+static inline int snd_seq_compare_tick_time(snd_seq_tick_time_t *a, snd_seq_tick_time_t *b)
+{
+ /* compare ticks */
+ return (*a >= *b);
+}
+
+static inline int snd_seq_compare_real_time(snd_seq_real_time_t *a, snd_seq_real_time_t *b)
+{
+ /* compare real time */
+ if (a->tv_sec > b->tv_sec)
+ return 1;
+ if ((a->tv_sec == b->tv_sec) && (a->tv_nsec >= b->tv_nsec))
+ return 1;
+ return 0;
+}
+
+/* Routine to match events to be removed */
+static int remove_match(snd_seq_remove_events_t *info, snd_seq_event_t *ev)
+{
+ int res;
+
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_DEST) {
+ if (ev->dest.client != info->dest.client ||
+ ev->dest.port != info->dest.port)
+ return 0;
+ }
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_DEST_CHANNEL) {
+ if (! snd_seq_ev_is_channel_type(ev))
+ return 0;
+ /* data.note.channel and data.control.channel are identical */
+ if (ev->data.note.channel != info->channel)
+ return 0;
+ }
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_AFTER) {
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_TICK)
+ res = snd_seq_compare_tick_time(&ev->time.tick, &info->time.tick);
+ else
+ res = snd_seq_compare_real_time(&ev->time.time, (snd_seq_real_time_t *)&info->time.time);
+ if (!res)
+ return 0;
+ }
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_BEFORE) {
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_TIME_TICK)
+ res = snd_seq_compare_tick_time(&ev->time.tick, &info->time.tick);
+ else
+ res = snd_seq_compare_real_time(&ev->time.time, (snd_seq_real_time_t *)&info->time.time);
+ if (res)
+ return 0;
+ }
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_EVENT_TYPE) {
+ if (ev->type != info->type)
+ return 0;
+ }
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_IGNORE_OFF) {
+ /* Do not remove off events */
+ switch (ev->type) {
+ case SND_SEQ_EVENT_NOTEOFF:
+ /* case SND_SEQ_EVENT_SAMPLE_STOP: */
+ return 0;
+ default:
+ break;
+ }
+ }
+ if (info->remove_mode & SNDRV_SEQ_REMOVE_TAG_MATCH) {
+ if (info->tag != ev->tag)
+ return 0;
+ }
+
+ return 1;
+}
+
+/**
+ * \brief remove events on input/output buffers and pools
+ * \param seq sequencer handle
+ * \param rmp remove event container
+ *
+ * Removes matching events with the given condition from input/output buffers
+ * and pools.
+ * The removal condition is specified in \a rmp argument.
+ *
+ * \sa snd_seq_event_output(), snd_seq_drop_output(), snd_seq_reset_pool_output()
+ */
+int snd_seq_remove_events(snd_seq_t *seq, snd_seq_remove_events_t *rmp)
+{
+ if (rmp->remove_mode & SNDRV_SEQ_REMOVE_INPUT) {
+ /*
+ * First deal with any events that are still buffered
+ * in the library.
+ */
+ snd_seq_drop_input_buffer(seq);
+ }
+
+ if (rmp->remove_mode & SNDRV_SEQ_REMOVE_OUTPUT) {
+ /*
+ * First deal with any events that are still buffered
+ * in the library.
+ */
+ if (! (rmp->remove_mode & ~(SNDRV_SEQ_REMOVE_INPUT|SNDRV_SEQ_REMOVE_OUTPUT))) {
+ /* The simple case - remove all */
+ snd_seq_drop_output_buffer(seq);
+ } else {
+ char *ep;
+ size_t len;
+ snd_seq_event_t *ev;
+
+ ep = seq->obuf;
+ while (ep - seq->obuf < (ssize_t)seq->obufused) {
+
+ ev = (snd_seq_event_t *)ep;
+ len = snd_seq_event_length(ev);
+
+ if (remove_match(rmp, ev)) {
+ /* Remove event */
+ seq->obufused -= len;
+ memmove(ep, ep + len, seq->obufused - (ep - seq->obuf));
+ } else {
+ ep += len;
+ }
+ }
+ }
+ }
+
+ return seq->ops->remove_events(seq, rmp);
+}
+
+/*----------------------------------------------------------------*/
+
+/*
+ * client memory pool
+ */
+
+/**
+ * \brief get size of #snd_seq_client_pool_t
+ * \return size in bytes
+ */
+size_t snd_seq_client_pool_sizeof()
+{
+ return sizeof(snd_seq_client_pool_t);
+}
+
+/**
+ * \brief allocate an empty #snd_seq_client_pool_t using standard malloc
+ * \param ptr returned pointer
+ * \return 0 on success otherwise negative error code
+ */
+int snd_seq_client_pool_malloc(snd_seq_client_pool_t **ptr)
+{
+ assert(ptr);
+ *ptr = calloc(1, sizeof(snd_seq_client_pool_t));
+ if (!*ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees a previously allocated #snd_seq_client_pool_t
+ * \param obj pointer to object to free
+ */
+void snd_seq_client_pool_free(snd_seq_client_pool_t *obj)
+{
+ free(obj);
+}
+
+/**
+ * \brief copy one #snd_seq_client_pool_t to another
+ * \param dst pointer to destination
+ * \param src pointer to source
+ */
+void snd_seq_client_pool_copy(snd_seq_client_pool_t *dst, const snd_seq_client_pool_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+/**
+ * \brief Get the client id of a queue_info container
+ * \param info client_pool container
+ * \return client id
+ */
+int snd_seq_client_pool_get_client(const snd_seq_client_pool_t *info)
+{
+ assert(info);
+ return info->client;
+}
+
+/**
+ * \brief Get the output pool size of a queue_info container
+ * \param info client_pool container
+ * \return output pool size
+ */
+size_t snd_seq_client_pool_get_output_pool(const snd_seq_client_pool_t *info)
+{
+ assert(info);
+ return info->output_pool;
+}
+
+/**
+ * \brief Get the input pool size of a queue_info container
+ * \param info client_pool container
+ * \return input pool size
+ */
+size_t snd_seq_client_pool_get_input_pool(const snd_seq_client_pool_t *info)
+{
+ assert(info);
+ return info->input_pool;
+}
+
+/**
+ * \brief Get the output room size of a queue_info container
+ * \param info client_pool container
+ * \return output room size
+ */
+size_t snd_seq_client_pool_get_output_room(const snd_seq_client_pool_t *info)
+{
+ assert(info);
+ return info->output_room;
+}
+
+/**
+ * \brief Get the available size on output pool of a queue_info container
+ * \param info client_pool container
+ * \return available output size
+ */
+size_t snd_seq_client_pool_get_output_free(const snd_seq_client_pool_t *info)
+{
+ assert(info);
+ return info->output_free;
+}
+
+/**
+ * \brief Get the available size on input pool of a queue_info container
+ * \param info client_pool container
+ * \return available input size
+ */
+size_t snd_seq_client_pool_get_input_free(const snd_seq_client_pool_t *info)
+{
+ assert(info);
+ return info->input_free;
+}
+
+/**
+ * \brief Set the output pool size of a queue_info container
+ * \param info client_pool container
+ * \param size output pool size
+ */
+void snd_seq_client_pool_set_output_pool(snd_seq_client_pool_t *info, size_t size)
+{
+ assert(info);
+ info->output_pool = size;
+}
+
+/**
+ * \brief Set the input pool size of a queue_info container
+ * \param info client_pool container
+ * \param size input pool size
+ */
+void snd_seq_client_pool_set_input_pool(snd_seq_client_pool_t *info, size_t size)
+{
+ assert(info);
+ info->input_pool = size;
+}
+
+/**
+ * \brief Set the output room size of a queue_info container
+ * \param info client_pool container
+ * \param size output room size
+ */
+void snd_seq_client_pool_set_output_room(snd_seq_client_pool_t *info, size_t size)
+{
+ assert(info);
+ info->output_room = size;
+}
+
+
+/**
+ * \brief obtain the pool information of the current client
+ * \param seq sequencer handle
+ * \param info information to be stored
+ */
+int snd_seq_get_client_pool(snd_seq_t *seq, snd_seq_client_pool_t *info)
+{
+ assert(seq && info);
+ info->client = seq->client;
+ return seq->ops->get_client_pool(seq, info);
+}
+
+/**
+ * \brief set the pool information
+ * \param seq sequencer handle
+ * \param info information to update
+ *
+ * Sets the pool information of the current client.
+ * The client field in \a info is replaced automatically with the current id.
+ */
+int snd_seq_set_client_pool(snd_seq_t *seq, snd_seq_client_pool_t *info)
+{
+ assert(seq && info);
+ info->client = seq->client;
+ return seq->ops->set_client_pool(seq, info);
+}
+
+/*----------------------------------------------------------------*/
+
+/*
+ * misc.
+ */
+
+/**
+ * \brief set a bit flag
+ */
+void snd_seq_set_bit(int nr, void *array)
+{
+ ((unsigned int *)array)[nr >> 5] |= 1UL << (nr & 31);
+}
+
+/**
+ * \brief unset a bit flag
+ */
+void snd_seq_unset_bit(int nr, void *array)
+{
+ ((unsigned int *)array)[nr >> 5] &= ~(1UL << (nr & 31));
+}
+
+/**
+ * \brief change a bit flag
+ */
+int snd_seq_change_bit(int nr, void *array)
+{
+ int result;
+
+ result = ((((unsigned int *)array)[nr >> 5]) & (1UL << (nr & 31))) ? 1 : 0;
+ ((unsigned int *)array)[nr >> 5] ^= 1UL << (nr & 31);
+ return result;
+}
+
+/**
+ * \brief get a bit flag state
+ */
+int snd_seq_get_bit(int nr, void *array)
+{
+ return ((((unsigned int *)array)[nr >> 5]) & (1UL << (nr & 31))) ? 1 : 0;
+}
diff --git a/src/seq/seq_event.c b/src/seq/seq_event.c
new file mode 100644
index 0000000..0571b21
--- /dev/null
+++ b/src/seq/seq_event.c
@@ -0,0 +1,49 @@
+/**
+ * \file seq/seq_event.c
+ * \brief Sequencer Event Types
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 2001
+ */
+
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+#define FIXED_EV(x) (_SND_SEQ_TYPE(SND_SEQ_EVFLG_FIXED) | _SND_SEQ_TYPE(x))
+#endif
+
+/** Event types conversion array */
+const unsigned int snd_seq_event_types[256] = {
+ [SND_SEQ_EVENT_SYSTEM ... SND_SEQ_EVENT_RESULT]
+ = FIXED_EV(SND_SEQ_EVFLG_RESULT),
+ [SND_SEQ_EVENT_NOTE]
+ = FIXED_EV(SND_SEQ_EVFLG_NOTE) | _SND_SEQ_TYPE_OPT(SND_SEQ_EVFLG_NOTE_TWOARG),
+ [SND_SEQ_EVENT_NOTEON ... SND_SEQ_EVENT_KEYPRESS]
+ = FIXED_EV(SND_SEQ_EVFLG_NOTE),
+ [SND_SEQ_EVENT_CONTROLLER ... SND_SEQ_EVENT_REGPARAM]
+ = FIXED_EV(SND_SEQ_EVFLG_CONTROL),
+ [SND_SEQ_EVENT_START ... SND_SEQ_EVENT_STOP]
+ = FIXED_EV(SND_SEQ_EVFLG_QUEUE),
+ [SND_SEQ_EVENT_SETPOS_TICK]
+ = FIXED_EV(SND_SEQ_EVFLG_QUEUE) | _SND_SEQ_TYPE_OPT(SND_SEQ_EVFLG_QUEUE_TICK),
+ [SND_SEQ_EVENT_SETPOS_TIME]
+ = FIXED_EV(SND_SEQ_EVFLG_QUEUE) | _SND_SEQ_TYPE_OPT(SND_SEQ_EVFLG_QUEUE_TIME),
+ [SND_SEQ_EVENT_TEMPO ... SND_SEQ_EVENT_SYNC_POS]
+ = FIXED_EV(SND_SEQ_EVFLG_QUEUE) | _SND_SEQ_TYPE_OPT(SND_SEQ_EVFLG_QUEUE_VALUE),
+ [SND_SEQ_EVENT_TUNE_REQUEST ... SND_SEQ_EVENT_SENSING]
+ = FIXED_EV(SND_SEQ_EVFLG_NONE),
+ [SND_SEQ_EVENT_ECHO ... SND_SEQ_EVENT_OSS]
+ = FIXED_EV(SND_SEQ_EVFLG_RAW) | FIXED_EV(SND_SEQ_EVFLG_SYSTEM),
+ [SND_SEQ_EVENT_CLIENT_START ... SND_SEQ_EVENT_PORT_CHANGE]
+ = FIXED_EV(SND_SEQ_EVFLG_MESSAGE),
+ [SND_SEQ_EVENT_PORT_SUBSCRIBED ... SND_SEQ_EVENT_PORT_UNSUBSCRIBED]
+ = FIXED_EV(SND_SEQ_EVFLG_CONNECTION),
+ [SND_SEQ_EVENT_USR0 ... SND_SEQ_EVENT_USR9]
+ = FIXED_EV(SND_SEQ_EVFLG_RAW) | FIXED_EV(SND_SEQ_EVFLG_USERS),
+ [SND_SEQ_EVENT_SYSEX ... SND_SEQ_EVENT_BOUNCE]
+ = _SND_SEQ_TYPE(SND_SEQ_EVFLG_VARIABLE),
+ [SND_SEQ_EVENT_USR_VAR0 ... SND_SEQ_EVENT_USR_VAR4]
+ = _SND_SEQ_TYPE(SND_SEQ_EVFLG_VARIABLE) | _SND_SEQ_TYPE(SND_SEQ_EVFLG_USERS),
+ [SND_SEQ_EVENT_NONE]
+ = FIXED_EV(SND_SEQ_EVFLG_NONE),
+};
+
diff --git a/src/seq/seq_hw.c b/src/seq/seq_hw.c
new file mode 100644
index 0000000..6cb31d6
--- /dev/null
+++ b/src/seq/seq_hw.c
@@ -0,0 +1,557 @@
+/*
+ * Sequencer Interface - main file
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ * Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "seq_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_seq_hw = "";
+#endif
+
+#ifndef DOC_HIDDEN
+#define SNDRV_FILE_SEQ ALSA_DEVICE_DIRECTORY "seq"
+#define SNDRV_FILE_ALOADSEQ ALOAD_DEVICE_DIRECTORY "aloadSEQ"
+#define SNDRV_SEQ_VERSION_MAX SNDRV_PROTOCOL_VERSION(1, 0, 1)
+
+typedef struct {
+ int fd;
+} snd_seq_hw_t;
+#endif /* DOC_HIDDEN */
+
+static int snd_seq_hw_close(snd_seq_t *seq)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ int err = 0;
+
+ if (close(hw->fd)) {
+ err = -errno;
+ SYSERR("close failed\n");
+ }
+ free(hw);
+ return err;
+}
+
+static int snd_seq_hw_nonblock(snd_seq_t *seq, int nonblock)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ long flags;
+
+ if ((flags = fcntl(hw->fd, F_GETFL)) < 0) {
+ SYSERR("F_GETFL failed");
+ return -errno;
+ }
+ if (nonblock)
+ flags |= O_NONBLOCK;
+ else
+ flags &= ~O_NONBLOCK;
+ if (fcntl(hw->fd, F_SETFL, flags) < 0) {
+ SYSERR("F_SETFL for O_NONBLOCK failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_client_id(snd_seq_t *seq)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ int client;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_CLIENT_ID, &client) < 0) {
+ SYSERR("SNDRV_SEQ_IOCTL_CLIENT_ID failed");
+ return -errno;
+ }
+ return client;
+}
+
+static int snd_seq_hw_system_info(snd_seq_t *seq, snd_seq_system_info_t * info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SYSTEM_INFO, info) < 0) {
+ SYSERR("SNDRV_SEQ_IOCTL_SYSTEM_INFO failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_client_info(snd_seq_t *seq, snd_seq_client_info_t * info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_CLIENT_INFO, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_CLIENT_INFO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_set_client_info(snd_seq_t *seq, snd_seq_client_info_t * info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_CLIENT_INFO, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SET_CLIENT_INFO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_create_port(snd_seq_t *seq, snd_seq_port_info_t * port)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_CREATE_PORT, port) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_CREATE_PORT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_delete_port(snd_seq_t *seq, snd_seq_port_info_t * port)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_DELETE_PORT, port) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_DELETE_PORT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_port_info(snd_seq_t *seq, snd_seq_port_info_t * info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_PORT_INFO, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_PORT_INFO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_set_port_info(snd_seq_t *seq, snd_seq_port_info_t * info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_PORT_INFO, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SET_PORT_INFO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_port_subscription(snd_seq_t *seq, snd_seq_port_subscribe_t * sub)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION, sub) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_subscribe_port(snd_seq_t *seq, snd_seq_port_subscribe_t * sub)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT, sub) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_unsubscribe_port(snd_seq_t *seq, snd_seq_port_subscribe_t * sub)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT, sub) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_query_port_subscribers(snd_seq_t *seq, snd_seq_query_subscribe_t * subs)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_QUERY_SUBS, subs) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_QUERY_SUBS failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_queue_status(snd_seq_t *seq, snd_seq_queue_status_t * status)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS, status) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_queue_tempo(snd_seq_t *seq, snd_seq_queue_tempo_t * tempo)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO, tempo) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_set_queue_tempo(snd_seq_t *seq, snd_seq_queue_tempo_t * tempo)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO, tempo) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_queue_timer(snd_seq_t *seq, snd_seq_queue_timer_t * timer)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER, timer) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_set_queue_timer(snd_seq_t *seq, snd_seq_queue_timer_t * timer)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER, timer) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_queue_client(snd_seq_t *seq, snd_seq_queue_client_t * info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_set_queue_client(snd_seq_t *seq, snd_seq_queue_client_t * info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_create_queue(snd_seq_t *seq, snd_seq_queue_info_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_CREATE_QUEUE, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_CREATE_QUEUE failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_delete_queue(snd_seq_t *seq, snd_seq_queue_info_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_DELETE_QUEUE, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_DELETE_QUEUE failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_queue_info(snd_seq_t *seq, snd_seq_queue_info_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_QUEUE_INFO, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_QUEUE_INFO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_set_queue_info(snd_seq_t *seq, snd_seq_queue_info_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_QUEUE_INFO, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SET_QUEUE_INFO failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_named_queue(snd_seq_t *seq, snd_seq_queue_info_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static ssize_t snd_seq_hw_write(snd_seq_t *seq, void *buf, size_t len)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ ssize_t result = write(hw->fd, buf, len);
+ if (result < 0)
+ return -errno;
+ return result;
+}
+
+static ssize_t snd_seq_hw_read(snd_seq_t *seq, void *buf, size_t len)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ ssize_t result = read(hw->fd, buf, len);
+ if (result < 0)
+ return -errno;
+ return result;
+}
+
+static int snd_seq_hw_remove_events(snd_seq_t *seq, snd_seq_remove_events_t *rmp)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_REMOVE_EVENTS, rmp) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_REMOVE_EVENTS failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_get_client_pool(snd_seq_t *seq, snd_seq_client_pool_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_GET_CLIENT_POOL, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_GET_CLIENT_POOL failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_set_client_pool(snd_seq_t *seq, snd_seq_client_pool_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_CLIENT_POOL, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_SET_CLIENT_POOL failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_query_next_client(snd_seq_t *seq, snd_seq_client_info_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_seq_hw_query_next_port(snd_seq_t *seq, snd_seq_port_info_t *info)
+{
+ snd_seq_hw_t *hw = seq->private_data;
+ if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT, info) < 0) {
+ /*SYSERR("SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT failed");*/
+ return -errno;
+ }
+ return 0;
+}
+
+static const snd_seq_ops_t snd_seq_hw_ops = {
+ .close = snd_seq_hw_close,
+ .nonblock = snd_seq_hw_nonblock,
+ .system_info = snd_seq_hw_system_info,
+ .get_client_info = snd_seq_hw_get_client_info,
+ .set_client_info = snd_seq_hw_set_client_info,
+ .create_port = snd_seq_hw_create_port,
+ .delete_port = snd_seq_hw_delete_port,
+ .get_port_info = snd_seq_hw_get_port_info,
+ .set_port_info = snd_seq_hw_set_port_info,
+ .get_port_subscription = snd_seq_hw_get_port_subscription,
+ .subscribe_port = snd_seq_hw_subscribe_port,
+ .unsubscribe_port = snd_seq_hw_unsubscribe_port,
+ .query_port_subscribers = snd_seq_hw_query_port_subscribers,
+ .get_queue_status = snd_seq_hw_get_queue_status,
+ .get_queue_tempo = snd_seq_hw_get_queue_tempo,
+ .set_queue_tempo = snd_seq_hw_set_queue_tempo,
+ .get_queue_timer = snd_seq_hw_get_queue_timer,
+ .set_queue_timer = snd_seq_hw_set_queue_timer,
+ .get_queue_client = snd_seq_hw_get_queue_client,
+ .set_queue_client = snd_seq_hw_set_queue_client,
+ .create_queue = snd_seq_hw_create_queue,
+ .delete_queue = snd_seq_hw_delete_queue,
+ .get_queue_info = snd_seq_hw_get_queue_info,
+ .set_queue_info = snd_seq_hw_set_queue_info,
+ .get_named_queue = snd_seq_hw_get_named_queue,
+ .write = snd_seq_hw_write,
+ .read = snd_seq_hw_read,
+ .remove_events = snd_seq_hw_remove_events,
+ .get_client_pool = snd_seq_hw_get_client_pool,
+ .set_client_pool = snd_seq_hw_set_client_pool,
+ .query_next_client = snd_seq_hw_query_next_client,
+ .query_next_port = snd_seq_hw_query_next_port,
+};
+
+int snd_seq_hw_open(snd_seq_t **handle, const char *name, int streams, int mode)
+{
+ int fd, ver, client, fmode, ret;
+ const char *filename;
+ snd_seq_t *seq;
+ snd_seq_hw_t *hw;
+
+ *handle = NULL;
+
+ switch (streams) {
+ case SND_SEQ_OPEN_OUTPUT:
+ fmode = O_WRONLY;
+ break;
+ case SND_SEQ_OPEN_INPUT:
+ fmode = O_RDONLY;
+ break;
+ case SND_SEQ_OPEN_DUPLEX:
+ fmode = O_RDWR;
+ break;
+ default:
+ assert(0);
+ return -EINVAL;
+ }
+
+ if (mode & SND_SEQ_NONBLOCK)
+ fmode |= O_NONBLOCK;
+
+ filename = SNDRV_FILE_SEQ;
+ fd = snd_open_device(filename, fmode);
+#ifdef SUPPORT_ALOAD
+ if (fd < 0) {
+ fd = snd_open_device(SNDRV_FILE_ALOADSEQ, fmode);
+ if (fd >= 0)
+ close(fd);
+ fd = snd_open_device(filename, fmode);
+ }
+#endif
+ if (fd < 0) {
+ SYSERR("open %s failed", filename);
+ return -errno;
+ }
+ if (ioctl(fd, SNDRV_SEQ_IOCTL_PVERSION, &ver) < 0) {
+ SYSERR("SNDRV_SEQ_IOCTL_PVERSION failed");
+ ret = -errno;
+ close(fd);
+ return ret;
+ }
+ if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_SEQ_VERSION_MAX)) {
+ close(fd);
+ return -SND_ERROR_INCOMPATIBLE_VERSION;
+ }
+ hw = calloc(1, sizeof(snd_seq_hw_t));
+ if (hw == NULL) {
+ close(fd);
+ return -ENOMEM;
+ }
+
+ seq = calloc(1, sizeof(snd_seq_t));
+ if (seq == NULL) {
+ free(hw);
+ close(fd);
+ return -ENOMEM;
+ }
+ hw->fd = fd;
+ if (streams & SND_SEQ_OPEN_OUTPUT) {
+ seq->obuf = (char *) malloc(seq->obufsize = SND_SEQ_OBUF_SIZE);
+ if (!seq->obuf) {
+ free(hw);
+ free(seq);
+ close(fd);
+ return -ENOMEM;
+ }
+ }
+ if (streams & SND_SEQ_OPEN_INPUT) {
+ seq->ibuf = (snd_seq_event_t *) calloc(sizeof(snd_seq_event_t), seq->ibufsize = SND_SEQ_IBUF_SIZE);
+ if (!seq->ibuf) {
+ free(seq->obuf);
+ free(hw);
+ free(seq);
+ close(fd);
+ return -ENOMEM;
+ }
+ }
+ if (name)
+ seq->name = strdup(name);
+ seq->type = SND_SEQ_TYPE_HW;
+ seq->streams = streams;
+ seq->mode = mode;
+ seq->tmpbuf = NULL;
+ seq->tmpbufsize = 0;
+ seq->poll_fd = fd;
+ seq->ops = &snd_seq_hw_ops;
+ seq->private_data = hw;
+ client = snd_seq_hw_client_id(seq);
+ if (client < 0) {
+ snd_seq_close(seq);
+ return client;
+ } else
+ seq->client = client;
+
+#ifdef SNDRV_SEQ_IOCTL_RUNNING_MODE
+ {
+ struct snd_seq_running_info run_mode;
+ /* check running mode */
+ memset(&run_mode, 0, sizeof(run_mode));
+ run_mode.client = client;
+#ifdef SNDRV_BIG_ENDIAN
+ run_mode.big_endian = 1;
+#else
+ run_mode.big_endian = 0;
+#endif
+ run_mode.cpu_mode = sizeof(long);
+ ioctl(fd, SNDRV_SEQ_IOCTL_RUNNING_MODE, &run_mode);
+ }
+#endif
+
+ *handle = seq;
+ return 0;
+}
+
+int _snd_seq_hw_open(snd_seq_t **handlep, char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf,
+ int streams, int mode)
+{
+ snd_config_iterator_t i, next;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0)
+ continue;
+ return -EINVAL;
+ }
+ return snd_seq_hw_open(handlep, name, streams, mode);
+}
+SND_DLSYM_BUILD_VERSION(_snd_seq_hw_open, SND_SEQ_DLSYM_VERSION);
diff --git a/src/seq/seq_local.h b/src/seq/seq_local.h
new file mode 100644
index 0000000..e600011
--- /dev/null
+++ b/src/seq/seq_local.h
@@ -0,0 +1,97 @@
+/*
+ * Sequencer Interface - definition of sequencer event handler
+ * Copyright (c) 2000 by Jaroslav Kysela <perex@perex.cz>
+ * Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __SEQ_LOCAL_H
+#define __SEQ_LOCAL_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "local.h"
+
+#define SND_SEQ_OBUF_SIZE (16*1024) /* default size */
+#define SND_SEQ_IBUF_SIZE 500 /* in event_size aligned */
+#define DEFAULT_TMPBUF_SIZE 20
+
+typedef struct snd_seq_queue_client snd_seq_queue_client_t;
+
+
+typedef struct {
+ int (*close)(snd_seq_t *seq);
+ int (*nonblock)(snd_seq_t *seq, int nonblock);
+ int (*system_info)(snd_seq_t *seq, snd_seq_system_info_t * info);
+ int (*get_client_info)(snd_seq_t *seq, snd_seq_client_info_t * info);
+ int (*set_client_info)(snd_seq_t *seq, snd_seq_client_info_t * info);
+ int (*create_port)(snd_seq_t *seq, snd_seq_port_info_t * port);
+ int (*delete_port)(snd_seq_t *seq, snd_seq_port_info_t * port);
+ int (*get_port_info)(snd_seq_t *seq, snd_seq_port_info_t * info);
+ int (*set_port_info)(snd_seq_t *seq, snd_seq_port_info_t * info);
+ int (*get_port_subscription)(snd_seq_t *seq, snd_seq_port_subscribe_t * sub);
+ int (*subscribe_port)(snd_seq_t *seq, snd_seq_port_subscribe_t * sub);
+ int (*unsubscribe_port)(snd_seq_t *seq, snd_seq_port_subscribe_t * sub);
+ int (*query_port_subscribers)(snd_seq_t *seq, snd_seq_query_subscribe_t * subs);
+ int (*get_queue_status)(snd_seq_t *seq, snd_seq_queue_status_t * status);
+ int (*get_queue_tempo)(snd_seq_t *seq, snd_seq_queue_tempo_t * tempo);
+ int (*set_queue_tempo)(snd_seq_t *seq, snd_seq_queue_tempo_t * tempo);
+ int (*get_queue_timer)(snd_seq_t *seq, snd_seq_queue_timer_t * timer);
+ int (*set_queue_timer)(snd_seq_t *seq, snd_seq_queue_timer_t * timer);
+ int (*get_queue_client)(snd_seq_t *seq, snd_seq_queue_client_t * client);
+ int (*set_queue_client)(snd_seq_t *seq, snd_seq_queue_client_t * client);
+ int (*create_queue)(snd_seq_t *seq, snd_seq_queue_info_t *info);
+ int (*delete_queue)(snd_seq_t *seq, snd_seq_queue_info_t *info);
+ int (*get_queue_info)(snd_seq_t *seq, snd_seq_queue_info_t *info);
+ int (*set_queue_info)(snd_seq_t *seq, snd_seq_queue_info_t *info);
+ int (*get_named_queue)(snd_seq_t *seq, snd_seq_queue_info_t *info);
+ ssize_t (*write)(snd_seq_t *seq, void *buf, size_t len);
+ ssize_t (*read)(snd_seq_t *seq, void *buf, size_t len);
+ int (*remove_events)(snd_seq_t *seq, snd_seq_remove_events_t *rmp);
+ int (*get_client_pool)(snd_seq_t *seq, snd_seq_client_pool_t *info);
+ int (*set_client_pool)(snd_seq_t *seq, snd_seq_client_pool_t *info);
+ int (*query_next_client)(snd_seq_t *seq, snd_seq_client_info_t *info);
+ int (*query_next_port)(snd_seq_t *seq, snd_seq_port_info_t *info);
+} snd_seq_ops_t;
+
+struct _snd_seq {
+ char *name;
+ snd_seq_type_t type;
+ int streams;
+ int mode;
+ int poll_fd;
+ void *dl_handle;
+ const snd_seq_ops_t *ops;
+ void *private_data;
+ int client; /* client number */
+ /* buffers */
+ char *obuf; /* output buffer */
+ size_t obufsize; /* output buffer size */
+ size_t obufused; /* output buffer used size */
+ snd_seq_event_t *ibuf; /* input buffer */
+ size_t ibufptr; /* current pointer of input buffer */
+ size_t ibuflen; /* queued length */
+ size_t ibufsize; /* input buffer size */
+ snd_seq_event_t *tmpbuf; /* temporary event for extracted event */
+ size_t tmpbufsize; /* size of errbuf */
+};
+
+int snd_seq_hw_open(snd_seq_t **handle, const char *name, int streams, int mode);
+
+#endif
diff --git a/src/seq/seq_midi_event.c b/src/seq/seq_midi_event.c
new file mode 100644
index 0000000..ddaac5a
--- /dev/null
+++ b/src/seq/seq_midi_event.c
@@ -0,0 +1,727 @@
+/**
+ * \file seq/seq_midi_event.c
+ * \brief MIDI byte <-> sequencer event coder
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2000-2001
+ */
+
+/*
+ * MIDI byte <-> sequencer event coder
+ *
+ * Copyright (C) 1998,99,2000 Takashi Iwai <tiwai@suse.de>,
+ * Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <malloc.h>
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+
+/* midi status */
+struct snd_midi_event {
+ size_t qlen; /* queue length */
+ size_t read; /* chars read */
+ int type; /* current event type */
+ unsigned char lastcmd;
+ unsigned char nostat;
+ size_t bufsize;
+ unsigned char *buf; /* input buffer */
+};
+
+
+/* event type, index into status_event[] */
+/* from 0 to 6 are normal commands (note off, on, etc.) for 0x8?-0xe? */
+#define ST_INVALID 7
+#define ST_SPECIAL 8
+#define ST_SYSEX ST_SPECIAL
+/* from 8 to 15 are events for 0xf0-0xf7 */
+
+
+/* status event types */
+typedef void (*event_encode_t)(snd_midi_event_t *dev, snd_seq_event_t *ev);
+typedef void (*event_decode_t)(const snd_seq_event_t *ev, unsigned char *buf);
+
+#endif /* DOC_HIDDEN */
+
+/*
+ * prototypes
+ */
+static void note_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
+static void one_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
+static void pitchbend_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
+static void two_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
+static void one_param_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
+static void songpos_event(snd_midi_event_t *dev, snd_seq_event_t *ev);
+static void note_decode(const snd_seq_event_t *ev, unsigned char *buf);
+static void one_param_decode(const snd_seq_event_t *ev, unsigned char *buf);
+static void pitchbend_decode(const snd_seq_event_t *ev, unsigned char *buf);
+static void two_param_decode(const snd_seq_event_t *ev, unsigned char *buf);
+static void songpos_decode(const snd_seq_event_t *ev, unsigned char *buf);
+
+/*
+ * event list
+ */
+#ifndef DOC_HIDDEN
+static const struct status_event_list_t {
+ int event;
+ int qlen;
+ event_encode_t encode;
+ event_decode_t decode;
+} status_event[] = {
+ /* 0x80 - 0xef */
+ {SND_SEQ_EVENT_NOTEOFF, 2, note_event, note_decode},
+ {SND_SEQ_EVENT_NOTEON, 2, note_event, note_decode},
+ {SND_SEQ_EVENT_KEYPRESS, 2, note_event, note_decode},
+ {SND_SEQ_EVENT_CONTROLLER, 2, two_param_ctrl_event, two_param_decode},
+ {SND_SEQ_EVENT_PGMCHANGE, 1, one_param_ctrl_event, one_param_decode},
+ {SND_SEQ_EVENT_CHANPRESS, 1, one_param_ctrl_event, one_param_decode},
+ {SND_SEQ_EVENT_PITCHBEND, 2, pitchbend_ctrl_event, pitchbend_decode},
+ /* invalid */
+ {SND_SEQ_EVENT_NONE, -1, NULL, NULL},
+ /* 0xf0 - 0xff */
+ {SND_SEQ_EVENT_SYSEX, 1, NULL, NULL}, /* sysex: 0xf0 */
+ {SND_SEQ_EVENT_QFRAME, 1, one_param_event, one_param_decode}, /* 0xf1 */
+ {SND_SEQ_EVENT_SONGPOS, 2, songpos_event, songpos_decode}, /* 0xf2 */
+ {SND_SEQ_EVENT_SONGSEL, 1, one_param_event, one_param_decode}, /* 0xf3 */
+ {SND_SEQ_EVENT_NONE, -1, NULL, NULL}, /* 0xf4 */
+ {SND_SEQ_EVENT_NONE, -1, NULL, NULL}, /* 0xf5 */
+ {SND_SEQ_EVENT_TUNE_REQUEST, 0, NULL, NULL}, /* 0xf6 */
+ {SND_SEQ_EVENT_NONE, -1, NULL, NULL}, /* 0xf7 */
+ {SND_SEQ_EVENT_CLOCK, 0, NULL, NULL}, /* 0xf8 */
+ {SND_SEQ_EVENT_NONE, -1, NULL, NULL}, /* 0xf9 */
+ {SND_SEQ_EVENT_START, 0, NULL, NULL}, /* 0xfa */
+ {SND_SEQ_EVENT_CONTINUE, 0, NULL, NULL}, /* 0xfb */
+ {SND_SEQ_EVENT_STOP, 0, NULL, NULL}, /* 0xfc */
+ {SND_SEQ_EVENT_NONE, -1, NULL, NULL}, /* 0xfd */
+ {SND_SEQ_EVENT_SENSING, 0, NULL, NULL}, /* 0xfe */
+ {SND_SEQ_EVENT_RESET, 0, NULL, NULL}, /* 0xff */
+};
+
+static int extra_decode_ctrl14(snd_midi_event_t *dev, unsigned char *buf, int len, const snd_seq_event_t *ev);
+static int extra_decode_xrpn(snd_midi_event_t *dev, unsigned char *buf, int count, const snd_seq_event_t *ev);
+
+static const struct extra_event_list_t {
+ int event;
+ int (*decode)(snd_midi_event_t *dev, unsigned char *buf, int len, const snd_seq_event_t *ev);
+} extra_event[] = {
+ {SND_SEQ_EVENT_CONTROL14, extra_decode_ctrl14},
+ {SND_SEQ_EVENT_NONREGPARAM, extra_decode_xrpn},
+ {SND_SEQ_EVENT_REGPARAM, extra_decode_xrpn},
+};
+
+#define numberof(ary) (sizeof(ary)/sizeof(ary[0]))
+#endif /* DOC_HIDDEN */
+
+/**
+ * \brief Creates a MIDI event parser.
+ * \param[in] bufsize Size of the buffer used for encoding; this should be
+ * large enough to hold the largest MIDI message to be
+ * encoded.
+ * \param[out] rdev The new MIDI event parser.
+ * \return Zero on success, otherwise a negative error code.
+ *
+ * This function creates and initializes a MIDI parser object that can be used
+ * to convert a MIDI byte stream to sequencer events (encoding) and/or to
+ * convert sequencer events to a MIDI byte stream (decoding).
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev)
+{
+ snd_midi_event_t *dev;
+
+ *rdev = NULL;
+ dev = (snd_midi_event_t *)calloc(1, sizeof(snd_midi_event_t));
+ if (dev == NULL)
+ return -ENOMEM;
+ if (bufsize > 0) {
+ dev->buf = malloc(bufsize);
+ if (dev->buf == NULL) {
+ free(dev);
+ return -ENOMEM;
+ }
+ }
+ dev->bufsize = bufsize;
+ dev->lastcmd = 0xff;
+ dev->type = ST_INVALID;
+ *rdev = dev;
+ return 0;
+}
+
+/**
+ * \brief Frees a MIDI event parser.
+ * \param dev MIDI event parser.
+ *
+ * Frees a MIDI event parser.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+void snd_midi_event_free(snd_midi_event_t *dev)
+{
+ if (dev != NULL) {
+ free(dev->buf);
+ free(dev);
+ }
+}
+
+/**
+ * \brief Enables/disables MIDI command merging.
+ * \param dev MIDI event parser.
+ * \param on 0 to enable MIDI command merging,
+ * 1 to always write the command byte.
+ *
+ * This function enables or disables MIDI command merging (running status).
+ *
+ * When MIDI command merging is not disabled, #snd_midi_event_decode is allowed
+ * to omit any status byte that is identical to the previous status byte.
+ */
+void snd_midi_event_no_status(snd_midi_event_t *dev, int on)
+{
+ dev->nostat = on ? 1 : 0;
+}
+
+/*
+ * initialize record
+ */
+inline static void reset_encode(snd_midi_event_t *dev)
+{
+ dev->read = 0;
+ dev->qlen = 0;
+ dev->type = ST_INVALID;
+}
+
+/**
+ * \brief Resets MIDI encode parser.
+ * \param dev MIDI event parser.
+ *
+ * This function resets the MIDI encoder of the parser \a dev.
+ * Any partially encoded MIDI message is dropped,
+ * and running status state is cleared.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+void snd_midi_event_reset_encode(snd_midi_event_t *dev)
+{
+ reset_encode(dev);
+}
+
+/**
+ * \brief Resets MIDI decode parser.
+ * \param dev MIDI event parser.
+ *
+ * This function resets the MIDI decoder of the parser \a dev.
+ * The next decoded message does not use running status from before the call to
+ * \a snd_midi_event_reset_decode.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+void snd_midi_event_reset_decode(snd_midi_event_t *dev)
+{
+ dev->lastcmd = 0xff;
+}
+
+/**
+ * \brief Resets MIDI encode/decode parsers.
+ * \param dev MIDI event parser.
+ *
+ * This function resets both encoder and decoder of the MIDI event parser.
+ * \sa snd_midi_event_reset_encode, snd_midi_event_reset_decode
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ */
+void snd_midi_event_init(snd_midi_event_t *dev)
+{
+ snd_midi_event_reset_encode(dev);
+ snd_midi_event_reset_decode(dev);
+}
+
+/**
+ * \brief Resizes the MIDI message encoding buffer.
+ * \param dev MIDI event parser.
+ * \param bufsize The new buffer size.
+ * \return Zero on success, otherwise a negative error code.
+ *
+ * This function resizes the buffer that is used to hold partially encoded MIDI
+ * messages.
+ *
+ * If there is a partially encoded message in the buffer, it is dropped.
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-ENOMEM<dd>Out of memory.
+ *
+ * \sa snd_midi_event_encode, snd_midi_event_reset_encode
+ */
+int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize)
+{
+ unsigned char *new_buf, *old_buf;
+
+ if (bufsize == dev->bufsize)
+ return 0;
+ new_buf = malloc(bufsize);
+ if (new_buf == NULL)
+ return -ENOMEM;
+ old_buf = dev->buf;
+ dev->buf = new_buf;
+ dev->bufsize = bufsize;
+ reset_encode(dev);
+ free(old_buf);
+ return 0;
+}
+
+/**
+ * \brief Encodes bytes to sequencer event.
+ * \param[in] dev MIDI event parser.
+ * \param[in] buf Buffer containing bytes of a raw MIDI stream.
+ * \param[in] count Number of bytes in \a buf.
+ * \param[out] ev Sequencer event.
+ * \return The number of bytes consumed, or a negative error code.
+ *
+ * This function tries to use up to \a count bytes from the beginning of the
+ * buffer to encode a sequencer event. If a complete MIDI message has been
+ * encoded, the sequencer event is written to \a ev; otherwise, \a ev->type is
+ * set to #SND_SEQ_EVENT_NONE, and further bytes are required to complete
+ * a message.
+ *
+ * The buffer in \a dev is used to hold any bytes of a not-yet-complete MIDI
+ * message. If a System Exclusive message is larger than the buffer, the
+ * message is split into multiple parts, and a sequencer event is returned at
+ * the end of each part.
+ *
+ * Any bytes that are not part of a valid MIDI message are silently ignored,
+ * i.e., they are consumed without signaling an error.
+ *
+ * When this function returns a system exclusive sequencer event (\a ev->type
+ * is #SND_SEQ_EVENT_SYSEX), the data pointer (\a ev->data.ext.ptr) points into
+ * the MIDI event parser's buffer. Therefore, the sequencer event can only be
+ * used as long as that buffer remains valid, i.e., until the next call to
+ * #snd_midi_event_encode, #snd_midi_event_encode_byte,
+ * #snd_midi_event_resize_buffer, #snd_midi_event_init,
+ * #snd_midi_event_reset_encode, or #snd_midi_event_free for that MIDI event
+ * parser.
+ *
+ * This function can generate any sequencer event that corresponds to a MIDI
+ * message, i.e.:
+ * - #SND_SEQ_EVENT_NOTEOFF
+ * - #SND_SEQ_EVENT_NOTEON
+ * - #SND_SEQ_EVENT_KEYPRESS
+ * - #SND_SEQ_EVENT_CONTROLLER
+ * - #SND_SEQ_EVENT_PGMCHANGE
+ * - #SND_SEQ_EVENT_CHANPRESS
+ * - #SND_SEQ_EVENT_PITCHBEND
+ * - #SND_SEQ_EVENT_SYSEX
+ * - #SND_SEQ_EVENT_QFRAME
+ * - #SND_SEQ_EVENT_SONGPOS
+ * - #SND_SEQ_EVENT_SONGSEL
+ * - #SND_SEQ_EVENT_TUNE_REQUEST
+ * - #SND_SEQ_EVENT_CLOCK
+ * - #SND_SEQ_EVENT_START
+ * - #SND_SEQ_EVENT_CONTINUE
+ * - #SND_SEQ_EVENT_STOP
+ * - #SND_SEQ_EVENT_SENSING
+ * - #SND_SEQ_EVENT_RESET
+ * .
+ * Some implementations may also be able to generate the following events
+ * for a sequence of controller change messages:
+ * - #SND_SEQ_EVENT_CONTROL14
+ * - #SND_SEQ_EVENT_NONREGPARAM
+ * - #SND_SEQ_EVENT_REGPARAM
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ *
+ * \sa snd_midi_event_new, snd_midi_event_reset_encode, snd_midi_event_encode_byte
+ */
+long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev)
+{
+ long result = 0;
+ int rc;
+
+ ev->type = SND_SEQ_EVENT_NONE;
+
+ while (count-- > 0) {
+ rc = snd_midi_event_encode_byte(dev, *buf++, ev);
+ result++;
+ if (rc < 0)
+ return rc;
+ else if (rc > 0)
+ return result;
+ }
+
+ return result;
+}
+
+/**
+ * \brief Encodes byte to sequencer event.
+ * \param[in] dev MIDI event parser.
+ * \param[in] c A byte of a raw MIDI stream.
+ * \param[out] ev Sequencer event.
+ * \return 1 if a sequenver event has been completed, 0 if more bytes are
+ * required to complete an event, or a negative error code.
+ *
+ * This function tries to use the byte \a c to encode a sequencer event. If
+ * a complete MIDI message has been encoded, the sequencer event is written to
+ * \a ev; otherwise, further bytes are required to complete a message.
+ *
+ * See also the description of #snd_midi_event_encode.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ *
+ * \sa snd_midi_event_new, snd_midi_event_reset_encode, snd_midi_event_encode
+ */
+int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev)
+{
+ int rc = 0;
+
+ c &= 0xff;
+
+ if (c >= MIDI_CMD_COMMON_CLOCK) {
+ /* real-time event */
+ ev->type = status_event[ST_SPECIAL + c - 0xf0].event;
+ ev->flags &= ~SND_SEQ_EVENT_LENGTH_MASK;
+ ev->flags |= SND_SEQ_EVENT_LENGTH_FIXED;
+ return ev->type != SND_SEQ_EVENT_NONE;
+ }
+
+ if ((c & 0x80) &&
+ (c != MIDI_CMD_COMMON_SYSEX_END || dev->type != ST_SYSEX)) {
+ /* new command */
+ dev->buf[0] = c;
+ if ((c & 0xf0) == 0xf0) /* system message */
+ dev->type = (c & 0x0f) + ST_SPECIAL;
+ else
+ dev->type = (c >> 4) & 0x07;
+ dev->read = 1;
+ dev->qlen = status_event[dev->type].qlen;
+ } else {
+ if (dev->qlen > 0) {
+ /* rest of command */
+ dev->buf[dev->read++] = c;
+ if (dev->type != ST_SYSEX)
+ dev->qlen--;
+ } else {
+ /* running status */
+ dev->buf[1] = c;
+ dev->qlen = status_event[dev->type].qlen - 1;
+ dev->read = 2;
+ }
+ }
+ if (dev->qlen == 0) {
+ ev->type = status_event[dev->type].event;
+ ev->flags &= ~SND_SEQ_EVENT_LENGTH_MASK;
+ ev->flags |= SND_SEQ_EVENT_LENGTH_FIXED;
+ if (status_event[dev->type].encode) /* set data values */
+ status_event[dev->type].encode(dev, ev);
+ if (dev->type >= ST_SPECIAL)
+ dev->type = ST_INVALID;
+ rc = 1;
+ } else if (dev->type == ST_SYSEX) {
+ if (c == MIDI_CMD_COMMON_SYSEX_END ||
+ dev->read >= dev->bufsize) {
+ ev->flags &= ~SND_SEQ_EVENT_LENGTH_MASK;
+ ev->flags |= SND_SEQ_EVENT_LENGTH_VARIABLE;
+ ev->type = SND_SEQ_EVENT_SYSEX;
+ ev->data.ext.len = dev->read;
+ ev->data.ext.ptr = dev->buf;
+ if (c != MIDI_CMD_COMMON_SYSEX_END)
+ dev->read = 0; /* continue to parse */
+ else
+ reset_encode(dev); /* all parsed */
+ rc = 1;
+ }
+ }
+
+ return rc;
+}
+
+/* encode note event */
+static void note_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+{
+ ev->data.note.channel = dev->buf[0] & 0x0f;
+ ev->data.note.note = dev->buf[1];
+ ev->data.note.velocity = dev->buf[2];
+}
+
+/* encode one parameter controls */
+static void one_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+{
+ ev->data.control.channel = dev->buf[0] & 0x0f;
+ ev->data.control.value = dev->buf[1];
+}
+
+/* encode pitch wheel change */
+static void pitchbend_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+{
+ ev->data.control.channel = dev->buf[0] & 0x0f;
+ ev->data.control.value = (int)dev->buf[2] * 128 + (int)dev->buf[1] - 8192;
+}
+
+/* encode midi control change */
+static void two_param_ctrl_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+{
+ ev->data.control.channel = dev->buf[0] & 0x0f;
+ ev->data.control.param = dev->buf[1];
+ ev->data.control.value = dev->buf[2];
+}
+
+/* encode one parameter value*/
+static void one_param_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+{
+ ev->data.control.value = dev->buf[1];
+}
+
+/* encode song position */
+static void songpos_event(snd_midi_event_t *dev, snd_seq_event_t *ev)
+{
+ ev->data.control.value = (int)dev->buf[2] * 128 + (int)dev->buf[1];
+}
+
+/**
+ * \brief Decodes sequencer event to MIDI byte stream.
+ * \param[in] dev MIDI event parser.
+ * \param[out] buf Buffer for the resulting MIDI byte stream.
+ * \param[in] count Number of bytes in \a buf.
+ * \param[in] ev The sequencer event to decode.
+ * \return The number of bytes written to \a buf, or a negative error code.
+ *
+ * This function tries to decode the sequencer event into one or more MIDI
+ * messages, and writes the raw MIDI byte(s) into \a buf.
+ *
+ * The generated MIDI messages may use running status, unless disabled with
+ * #snd_midi_event_no_status.
+ *
+ * The required buffer size for a sequencer event it as most 12 bytes, except
+ * for System Exclusive events (\a ev->type == #SND_SEQ_EVENT_SYSEX) which can
+ * have any length (as specified by \a ev->data.ext.len).
+ *
+ * The following sequencer events correspond to MIDI messages:
+ * - #SND_SEQ_EVENT_NOTEOFF
+ * - #SND_SEQ_EVENT_NOTEON
+ * - #SND_SEQ_EVENT_KEYPRESS
+ * - #SND_SEQ_EVENT_CONTROLLER
+ * - #SND_SEQ_EVENT_PGMCHANGE
+ * - #SND_SEQ_EVENT_CHANPRESS
+ * - #SND_SEQ_EVENT_PITCHBEND
+ * - #SND_SEQ_EVENT_SYSEX
+ * - #SND_SEQ_EVENT_QFRAME
+ * - #SND_SEQ_EVENT_SONGPOS
+ * - #SND_SEQ_EVENT_SONGSEL
+ * - #SND_SEQ_EVENT_TUNE_REQUEST
+ * - #SND_SEQ_EVENT_CLOCK
+ * - #SND_SEQ_EVENT_START
+ * - #SND_SEQ_EVENT_CONTINUE
+ * - #SND_SEQ_EVENT_STOP
+ * - #SND_SEQ_EVENT_SENSING
+ * - #SND_SEQ_EVENT_RESET
+ * - #SND_SEQ_EVENT_CONTROL14
+ * - #SND_SEQ_EVENT_NONREGPARAM
+ * - #SND_SEQ_EVENT_REGPARAM
+ *
+ * \par Errors:
+ * <dl>
+ * <dt>-EINVAL<dd>\a ev is not a valid sequencer event.
+ * <dt>-ENOENT<dd>The sequencer event does not correspond to one or more MIDI messages.
+ * <dt>-ENOMEM<dd>The MIDI message(s) would not fit into \a count bytes.
+ *
+ * \par Conforming to:
+ * LSB 3.2
+ *
+ * \sa snd_midi_event_reset_decode, snd_midi_event_no_status
+ */
+long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev)
+{
+ int cmd;
+ long qlen;
+ unsigned int type;
+
+ if (ev->type == SND_SEQ_EVENT_NONE)
+ return -ENOENT;
+
+ for (type = 0; type < numberof(status_event); type++) {
+ if (ev->type == status_event[type].event)
+ goto __found;
+ }
+ for (type = 0; type < numberof(extra_event); type++) {
+ if (ev->type == extra_event[type].event)
+ return extra_event[type].decode(dev, buf, count, ev);
+ }
+ return -ENOENT;
+
+ __found:
+ if (type >= ST_SPECIAL)
+ cmd = 0xf0 + (type - ST_SPECIAL);
+ else
+ /* data.note.channel and data.control.channel is identical */
+ cmd = 0x80 | (type << 4) | (ev->data.note.channel & 0x0f);
+
+
+ if (cmd == MIDI_CMD_COMMON_SYSEX) {
+ snd_midi_event_reset_decode(dev);
+ qlen = ev->data.ext.len;
+ if (count < qlen)
+ return -ENOMEM;
+ switch (ev->flags & SND_SEQ_EVENT_LENGTH_MASK) {
+ case SND_SEQ_EVENT_LENGTH_FIXED:
+ return -EINVAL; /* invalid event */
+ }
+ memcpy(buf, ev->data.ext.ptr, qlen);
+ return qlen;
+ } else {
+ unsigned char xbuf[4];
+
+ if ((cmd & 0xf0) == 0xf0 || dev->lastcmd != cmd || dev->nostat) {
+ dev->lastcmd = cmd;
+ xbuf[0] = cmd;
+ if (status_event[type].decode)
+ status_event[type].decode(ev, xbuf + 1);
+ qlen = status_event[type].qlen + 1;
+ } else {
+ if (status_event[type].decode)
+ status_event[type].decode(ev, xbuf + 0);
+ qlen = status_event[type].qlen;
+ }
+ if (count < qlen)
+ return -ENOMEM;
+ memcpy(buf, xbuf, qlen);
+ return qlen;
+ }
+}
+
+
+/* decode note event */
+static void note_decode(const snd_seq_event_t *ev, unsigned char *buf)
+{
+ buf[0] = ev->data.note.note & 0x7f;
+ buf[1] = ev->data.note.velocity & 0x7f;
+}
+
+/* decode one parameter controls */
+static void one_param_decode(const snd_seq_event_t *ev, unsigned char *buf)
+{
+ buf[0] = ev->data.control.value & 0x7f;
+}
+
+/* decode pitch wheel change */
+static void pitchbend_decode(const snd_seq_event_t *ev, unsigned char *buf)
+{
+ int value = ev->data.control.value + 8192;
+ buf[0] = value & 0x7f;
+ buf[1] = (value >> 7) & 0x7f;
+}
+
+/* decode midi control change */
+static void two_param_decode(const snd_seq_event_t *ev, unsigned char *buf)
+{
+ buf[0] = ev->data.control.param & 0x7f;
+ buf[1] = ev->data.control.value & 0x7f;
+}
+
+/* decode song position */
+static void songpos_decode(const snd_seq_event_t *ev, unsigned char *buf)
+{
+ buf[0] = ev->data.control.value & 0x7f;
+ buf[1] = (ev->data.control.value >> 7) & 0x7f;
+}
+
+/* decode 14bit control */
+static int extra_decode_ctrl14(snd_midi_event_t *dev, unsigned char *buf, int count, const snd_seq_event_t *ev)
+{
+ unsigned char cmd;
+ int idx = 0;
+
+ cmd = MIDI_CMD_CONTROL|(ev->data.control.channel & 0x0f);
+ if (ev->data.control.param < 32) {
+ if (count < 4)
+ return -ENOMEM;
+ if (dev->nostat && count < 6)
+ return -ENOMEM;
+ if (cmd != dev->lastcmd || dev->nostat) {
+ if (count < 5)
+ return -ENOMEM;
+ buf[idx++] = dev->lastcmd = cmd;
+ }
+ buf[idx++] = ev->data.control.param;
+ buf[idx++] = (ev->data.control.value >> 7) & 0x7f;
+ if (dev->nostat)
+ buf[idx++] = cmd;
+ buf[idx++] = ev->data.control.param + 32;
+ buf[idx++] = ev->data.control.value & 0x7f;
+ } else {
+ if (count < 2)
+ return -ENOMEM;
+ if (cmd != dev->lastcmd || dev->nostat) {
+ if (count < 3)
+ return -ENOMEM;
+ buf[idx++] = dev->lastcmd = cmd;
+ }
+ buf[idx++] = ev->data.control.param & 0x7f;
+ buf[idx++] = ev->data.control.value & 0x7f;
+ }
+ return idx;
+}
+
+/* decode reg/nonreg param */
+static int extra_decode_xrpn(snd_midi_event_t *dev, unsigned char *buf, int count, const snd_seq_event_t *ev)
+{
+ unsigned char cmd;
+ const char *cbytes;
+ static const char cbytes_nrpn[4] = { MIDI_CTL_NONREG_PARM_NUM_MSB,
+ MIDI_CTL_NONREG_PARM_NUM_LSB,
+ MIDI_CTL_MSB_DATA_ENTRY,
+ MIDI_CTL_LSB_DATA_ENTRY };
+ static const char cbytes_rpn[4] = { MIDI_CTL_REGIST_PARM_NUM_MSB,
+ MIDI_CTL_REGIST_PARM_NUM_LSB,
+ MIDI_CTL_MSB_DATA_ENTRY,
+ MIDI_CTL_LSB_DATA_ENTRY };
+ unsigned char bytes[4];
+ int idx = 0, i;
+
+ if (count < 8)
+ return -ENOMEM;
+ if (dev->nostat && count < 12)
+ return -ENOMEM;
+ cmd = MIDI_CMD_CONTROL|(ev->data.control.channel & 0x0f);
+ bytes[0] = (ev->data.control.param & 0x3f80) >> 7;
+ bytes[1] = ev->data.control.param & 0x007f;
+ bytes[2] = (ev->data.control.value & 0x3f80) >> 7;
+ bytes[3] = ev->data.control.value & 0x007f;
+ if (cmd != dev->lastcmd && !dev->nostat) {
+ if (count < 9)
+ return -ENOMEM;
+ buf[idx++] = dev->lastcmd = cmd;
+ }
+ cbytes = ev->type == SND_SEQ_EVENT_NONREGPARAM ? cbytes_nrpn : cbytes_rpn;
+ for (i = 0; i < 4; i++) {
+ if (dev->nostat)
+ buf[idx++] = dev->lastcmd = cmd;
+ buf[idx++] = cbytes[i];
+ buf[idx++] = bytes[i];
+ }
+ return idx;
+}
diff --git a/src/seq/seq_old.c b/src/seq/seq_old.c
new file mode 100644
index 0000000..60d5f4b
--- /dev/null
+++ b/src/seq/seq_old.c
@@ -0,0 +1,222 @@
+/*
+ * place-holders to keep libasound linkable to old binaries
+ */
+
+#ifndef DOXYGEN
+
+#include "local.h"
+
+size_t snd_instr_header_sizeof(void)
+{
+ return 0;
+}
+
+int snd_instr_header_malloc(void **ptr ATTRIBUTE_UNUSED,
+ size_t len ATTRIBUTE_UNUSED)
+{
+ return -ENOMEM;
+}
+
+void snd_instr_header_free(void *obj ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_copy(void *dst ATTRIBUTE_UNUSED,
+ const void *src ATTRIBUTE_UNUSED)
+{
+}
+
+const void *snd_instr_header_get_id(const void *info ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+int snd_instr_header_get_cluster(const void *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+unsigned int snd_instr_header_get_cmd(const void *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+size_t snd_instr_header_get_len(const void *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+const char *snd_instr_header_get_name(const void *info ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+int snd_instr_header_get_type(const void *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+const char *snd_instr_header_get_format(const void *info ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+const void *snd_instr_header_get_alias(const void *info ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+void *snd_instr_header_get_data(const void *info ATTRIBUTE_UNUSED)
+{
+ return NULL;
+}
+
+int snd_instr_header_get_follow_alias(const void *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+void snd_instr_header_set_id(void *info ATTRIBUTE_UNUSED,
+ const void *id ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_cluster(void *info ATTRIBUTE_UNUSED,
+ int cluster ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_cmd(void *info ATTRIBUTE_UNUSED,
+ unsigned int cmd ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_len(void *info ATTRIBUTE_UNUSED,
+ size_t len ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_name(void *info ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_type(void *info ATTRIBUTE_UNUSED,
+ int type ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_format(void *info ATTRIBUTE_UNUSED,
+ const char *format ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_alias(void *info ATTRIBUTE_UNUSED,
+ const void *instr ATTRIBUTE_UNUSED)
+{
+}
+
+void snd_instr_header_set_follow_alias(void *info ATTRIBUTE_UNUSED,
+ int val ATTRIBUTE_UNUSED)
+{
+}
+
+int snd_instr_fm_free(void *fm ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+int snd_instr_fm_convert_to_stream(void *fm ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ void **__data ATTRIBUTE_UNUSED,
+ size_t *__size ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+int snd_instr_fm_convert_from_stream(void *__data ATTRIBUTE_UNUSED,
+ size_t size ATTRIBUTE_UNUSED,
+ void **simple ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+
+int snd_instr_iwffff_open(void **handle ATTRIBUTE_UNUSED,
+ const char *name_fff ATTRIBUTE_UNUSED,
+ const char *name_dat ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+int snd_instr_iwffff_open_rom(void **handle ATTRIBUTE_UNUSED,
+ int card ATTRIBUTE_UNUSED,
+ int bank ATTRIBUTE_UNUSED,
+ int file ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+int snd_instr_iwffff_open_rom_file(void **handle ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ int bank ATTRIBUTE_UNUSED,
+ int file ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+int snd_instr_iwffff_close(void *handle ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+int snd_instr_iwffff_free(void *__instr ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+int snd_instr_iwffff_load(void *iwf ATTRIBUTE_UNUSED,
+ int bank ATTRIBUTE_UNUSED,
+ int prg ATTRIBUTE_UNUSED,
+ void **__iwffff ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+int snd_instr_iwffff_convert_to_stream(void *iwffff ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ void **__data ATTRIBUTE_UNUSED,
+ size_t *__size ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+int snd_instr_iwffff_convert_from_stream(void *data ATTRIBUTE_UNUSED,
+ size_t size ATTRIBUTE_UNUSED,
+ void **iwffff ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+
+int snd_instr_simple_free(void *simple ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+int snd_instr_simple_convert_to_stream(void *simple ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ void **__data ATTRIBUTE_UNUSED,
+ size_t *__size ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+int snd_instr_simple_convert_from_stream(void *__data ATTRIBUTE_UNUSED,
+ size_t size ATTRIBUTE_UNUSED,
+ void **simple ATTRIBUTE_UNUSED)
+{
+ return -ENXIO;
+}
+
+#endif /* !DOXYGEN */
diff --git a/src/seq/seq_symbols.c b/src/seq/seq_symbols.c
new file mode 100644
index 0000000..1d30133
--- /dev/null
+++ b/src/seq/seq_symbols.c
@@ -0,0 +1,34 @@
+/*
+ * Sequencer Symbols
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef PIC
+
+extern const char *_snd_module_seq_hw;
+
+static const char **snd_seq_open_objects[] = {
+ &_snd_module_seq_hw
+};
+
+void *snd_seq_open_symbols(void)
+{
+ return snd_seq_open_objects;
+}
+
+#endif /* !PIC */
diff --git a/src/seq/seqmid.c b/src/seq/seqmid.c
new file mode 100644
index 0000000..23c2a3d
--- /dev/null
+++ b/src/seq/seqmid.c
@@ -0,0 +1,441 @@
+/*
+ * Sequencer Interface - middle-level routines
+ *
+ * Copyright (c) 1999 by Takashi Iwai <tiwai@suse.de>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <sys/ioctl.h>
+#include "seq_local.h"
+
+/**
+ * \brief queue controls - start/stop/continue
+ * \param seq sequencer handle
+ * \param q queue id to control
+ * \param type event type
+ * \param value event value
+ * \param ev event instance
+ *
+ * This function sets up general queue control event and sends it.
+ * To send at scheduled time, set the schedule in \a ev.
+ * If \a ev is NULL, the event is composed locally and sent immediately
+ * to the specified queue. In any cases, you need to call #snd_seq_drain_output()
+ * appropriately to feed the event.
+ *
+ * \sa snd_seq_alloc_queue()
+ */
+int snd_seq_control_queue(snd_seq_t *seq, int q, int type, int value, snd_seq_event_t *ev)
+{
+ snd_seq_event_t tmpev;
+ if (ev == NULL) {
+ snd_seq_ev_clear(&tmpev);
+ ev = &tmpev;
+ snd_seq_ev_set_direct(ev);
+ }
+ snd_seq_ev_set_queue_control(ev, type, q, value);
+ return snd_seq_event_output(seq, ev);
+}
+
+
+/**
+ * \brief create a port - simple version
+ * \param seq sequencer handle
+ * \param name the name of the port
+ * \param caps capability bits
+ * \param type type bits
+ * \return the created port number or negative error code
+ *
+ * Creates a port with the given capability and type bits.
+ *
+ * \sa snd_seq_create_port(), snd_seq_delete_simple_port()
+ */
+int snd_seq_create_simple_port(snd_seq_t *seq, const char *name,
+ unsigned int caps, unsigned int type)
+{
+ snd_seq_port_info_t pinfo;
+ int result;
+
+ memset(&pinfo, 0, sizeof(pinfo));
+ if (name)
+ strncpy(pinfo.name, name, sizeof(pinfo.name) - 1);
+ pinfo.capability = caps;
+ pinfo.type = type;
+ pinfo.midi_channels = 16;
+ pinfo.midi_voices = 64; /* XXX */
+ pinfo.synth_voices = 0; /* XXX */
+
+ result = snd_seq_create_port(seq, &pinfo);
+ if (result < 0)
+ return result;
+ else
+ return pinfo.addr.port;
+}
+
+/**
+ * \brief delete the port
+ * \param seq sequencer handle
+ * \param port port id
+ * \return 0 on success or negative error code
+ *
+ * \sa snd_seq_delete_port(), snd_seq_create_simple_port()
+ */
+int snd_seq_delete_simple_port(snd_seq_t *seq, int port)
+{
+ return snd_seq_delete_port(seq, port);
+}
+
+/**
+ * \brief simple subscription (w/o exclusive & time conversion)
+ * \param seq sequencer handle
+ * \param myport the port id as receiver
+ * \param src_client sender client id
+ * \param src_port sender port id
+ * \return 0 on success or negative error code
+ *
+ * Connect from the given sender client:port to the given destination port in the
+ * current client.
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_disconnect_from()
+ */
+int snd_seq_connect_from(snd_seq_t *seq, int myport, int src_client, int src_port)
+{
+ snd_seq_port_subscribe_t subs;
+
+ memset(&subs, 0, sizeof(subs));
+ subs.sender.client = src_client;
+ subs.sender.port = src_port;
+ /*subs.dest.client = seq->client;*/
+ subs.dest.client = snd_seq_client_id(seq);
+ subs.dest.port = myport;
+
+ return snd_seq_subscribe_port(seq, &subs);
+}
+
+/**
+ * \brief simple subscription (w/o exclusive & time conversion)
+ * \param seq sequencer handle
+ * \param myport the port id as sender
+ * \param dest_client destination client id
+ * \param dest_port destination port id
+ * \return 0 on success or negative error code
+ *
+ * Connect from the given receiver port in the current client
+ * to the given destination client:port.
+ *
+ * \sa snd_seq_subscribe_port(), snd_seq_disconnect_to()
+ */
+int snd_seq_connect_to(snd_seq_t *seq, int myport, int dest_client, int dest_port)
+{
+ snd_seq_port_subscribe_t subs;
+
+ memset(&subs, 0, sizeof(subs));
+ /*subs.sender.client = seq->client;*/
+ subs.sender.client = snd_seq_client_id(seq);
+ subs.sender.port = myport;
+ subs.dest.client = dest_client;
+ subs.dest.port = dest_port;
+
+ return snd_seq_subscribe_port(seq, &subs);
+}
+
+/**
+ * \brief simple disconnection
+ * \param seq sequencer handle
+ * \param myport the port id as receiver
+ * \param src_client sender client id
+ * \param src_port sender port id
+ * \return 0 on success or negative error code
+ *
+ * Remove connection from the given sender client:port
+ * to the given destination port in the current client.
+ *
+ * \sa snd_seq_unsubscribe_port(), snd_seq_connect_from()
+ */
+int snd_seq_disconnect_from(snd_seq_t *seq, int myport, int src_client, int src_port)
+{
+ snd_seq_port_subscribe_t subs;
+
+ memset(&subs, 0, sizeof(subs));
+ subs.sender.client = src_client;
+ subs.sender.port = src_port;
+ /*subs.dest.client = seq->client;*/
+ subs.dest.client = snd_seq_client_id(seq);
+ subs.dest.port = myport;
+
+ return snd_seq_unsubscribe_port(seq, &subs);
+}
+
+/**
+ * \brief simple disconnection
+ * \param seq sequencer handle
+ * \param myport the port id as sender
+ * \param dest_client destination client id
+ * \param dest_port destination port id
+ * \return 0 on success or negative error code
+ *
+ * Remove connection from the given sender client:port
+ * to the given destination port in the current client.
+ *
+ * \sa snd_seq_unsubscribe_port(), snd_seq_connect_to()
+ */
+int snd_seq_disconnect_to(snd_seq_t *seq, int myport, int dest_client, int dest_port)
+{
+ snd_seq_port_subscribe_t subs;
+
+ memset(&subs, 0, sizeof(subs));
+ /*subs.sender.client = seq->client;*/
+ subs.sender.client = snd_seq_client_id(seq);
+ subs.sender.port = myport;
+ subs.dest.client = dest_client;
+ subs.dest.port = dest_port;
+
+ return snd_seq_unsubscribe_port(seq, &subs);
+}
+
+/*
+ * set client information
+ */
+
+/**
+ * \brief set client name
+ * \param seq sequencer handle
+ * \param name name string
+ * \return 0 on success or negative error code
+ *
+ * \sa snd_seq_set_client_info()
+ */
+int snd_seq_set_client_name(snd_seq_t *seq, const char *name)
+{
+ snd_seq_client_info_t info;
+ int err;
+
+ if ((err = snd_seq_get_client_info(seq, &info)) < 0)
+ return err;
+ strncpy(info.name, name, sizeof(info.name) - 1);
+ return snd_seq_set_client_info(seq, &info);
+}
+
+/**
+ * \brief add client event filter
+ * \param seq sequencer handle
+ * \param event_type event type to be added
+ * \return 0 on success or negative error code
+ *
+ * \sa snd_seq_set_client_info()
+ */
+int snd_seq_set_client_event_filter(snd_seq_t *seq, int event_type)
+{
+ snd_seq_client_info_t info;
+ int err;
+
+ if ((err = snd_seq_get_client_info(seq, &info)) < 0)
+ return err;
+ snd_seq_client_info_event_filter_add(&info, event_type);
+ return snd_seq_set_client_info(seq, &info);
+}
+
+/**
+ * \brief change the output pool size of the given client
+ * \param seq sequencer handle
+ * \param size output pool size
+ * \return 0 on success or negative error code
+ *
+ * \sa snd_seq_set_client_pool()
+ */
+int snd_seq_set_client_pool_output(snd_seq_t *seq, size_t size)
+{
+ snd_seq_client_pool_t info;
+ int err;
+
+ if ((err = snd_seq_get_client_pool(seq, &info)) < 0)
+ return err;
+ info.output_pool = size;
+ return snd_seq_set_client_pool(seq, &info);
+}
+
+/**
+ * \brief change the output room size of the given client
+ * \param seq sequencer handle
+ * \param size output room size
+ * \return 0 on success or negative error code
+ *
+ * \sa snd_seq_set_client_pool()
+ */
+int snd_seq_set_client_pool_output_room(snd_seq_t *seq, size_t size)
+{
+ snd_seq_client_pool_t info;
+ int err;
+
+ if ((err = snd_seq_get_client_pool(seq, &info)) < 0)
+ return err;
+ info.output_room = size;
+ return snd_seq_set_client_pool(seq, &info);
+}
+
+/**
+ * \brief change the input pool size of the given client
+ * \param seq sequencer handle
+ * \param size input pool size
+ * \return 0 on success or negative error code
+ *
+ * \sa snd_seq_set_client_pool()
+ */
+int snd_seq_set_client_pool_input(snd_seq_t *seq, size_t size)
+{
+ snd_seq_client_pool_t info;
+ int err;
+
+ if ((err = snd_seq_get_client_pool(seq, &info)) < 0)
+ return err;
+ info.input_pool = size;
+ return snd_seq_set_client_pool(seq, &info);
+}
+
+/**
+ * \brief reset client output pool
+ * \param seq sequencer handle
+ * \return 0 on success or negative error code
+ *
+ * So far, this works identically like #snd_seq_drop_output().
+ */
+int snd_seq_reset_pool_output(snd_seq_t *seq)
+{
+ return snd_seq_drop_output(seq);
+}
+
+/**
+ * \brief reset client input pool
+ * \param seq sequencer handle
+ * \return 0 on success or negative error code
+ *
+ * So far, this works identically like #snd_seq_drop_input().
+ */
+int snd_seq_reset_pool_input(snd_seq_t *seq)
+{
+ return snd_seq_drop_input(seq);
+}
+
+/**
+ * \brief wait until all events are processed
+ * \param seq sequencer handle
+ * \return 0 on success or negative error code
+ *
+ * This function waits until all events of this client are processed.
+ *
+ * \sa snd_seq_drain_output()
+ */
+int snd_seq_sync_output_queue(snd_seq_t *seq)
+{
+ int err;
+ snd_seq_client_pool_t info;
+ int saved_room;
+ struct pollfd pfd;
+
+ assert(seq);
+ /* reprogram the room size to full */
+ if ((err = snd_seq_get_client_pool(seq, &info)) < 0)
+ return err;
+ saved_room = info.output_room;
+ info.output_room = info.output_pool; /* wait until all gone */
+ if ((err = snd_seq_set_client_pool(seq, &info)) < 0)
+ return err;
+ /* wait until all events are purged */
+ pfd.fd = seq->poll_fd;
+ pfd.events = POLLOUT;
+ err = poll(&pfd, 1, -1);
+ /* restore the room size */
+ info.output_room = saved_room;
+ snd_seq_set_client_pool(seq, &info);
+ return err;
+}
+
+/**
+ * \brief parse the given string and get the sequencer address
+ * \param seq sequencer handle
+ * \param addr the address pointer to be returned
+ * \param arg the string to be parsed
+ * \return 0 on success or negative error code
+ *
+ * This function parses the sequencer client and port numbers from the given string.
+ * The client and port tokens are separated by either colon or period, e.g. 128:1.
+ * When \a seq is not NULL, the function accepts also a client name not only
+ * digit numbers.
+ * Actually \a arg need to be only a prefix of the wanted client.
+ * That is, if a client named "Foobar XXL Master 2012" with number 128 is available,
+ * then parsing "Foobar" will return the address 128:0 if no other client is
+ * an exact match.
+ */
+int snd_seq_parse_address(snd_seq_t *seq, snd_seq_addr_t *addr, const char *arg)
+{
+ char *p;
+ int client, port;
+ int len;
+
+ assert(addr && arg);
+
+ if ((p = strpbrk(arg, ":.")) != NULL) {
+ if ((port = atoi(p + 1)) < 0)
+ return -EINVAL;
+ len = (int)(p - arg); /* length of client name */
+ } else {
+ port = 0;
+ len = strlen(arg);
+ }
+ addr->port = port;
+ if (isdigit(*arg)) {
+ client = atoi(arg);
+ if (client < 0)
+ return -EINVAL;
+ addr->client = client;
+ } else {
+ /* convert from the name */
+ snd_seq_client_info_t cinfo;
+
+ if (! seq)
+ return -EINVAL;
+ if (len <= 0)
+ return -EINVAL;
+ client = -1;
+ cinfo.client = -1;
+ while (snd_seq_query_next_client(seq, &cinfo) >= 0) {
+ if (!strncmp(arg, cinfo.name, len)) {
+ if (strlen(cinfo.name) == (size_t)len) {
+ /* exact match */
+ addr->client = cinfo.client;
+ return 0;
+ }
+ if (client < 0)
+ client = cinfo.client;
+ }
+ }
+ if (client >= 0) {
+ /* prefix match */
+ addr->client = client;
+ return 0;
+ }
+ return -ENOENT; /* not found */
+ }
+ return 0;
+}
+
diff --git a/src/shmarea.c b/src/shmarea.c
new file mode 100644
index 0000000..071f9f3
--- /dev/null
+++ b/src/shmarea.c
@@ -0,0 +1,108 @@
+/*
+ * IPC SHM area manager
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <malloc.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/poll.h>
+#include <sys/mman.h>
+#include <sys/shm.h>
+#include "list.h"
+
+#ifndef DOC_HIDDEN
+struct snd_shm_area {
+ struct list_head list;
+ int shmid;
+ void *ptr;
+ int share;
+};
+#endif
+
+static LIST_HEAD(shm_areas);
+
+/**
+ * \brief Create a shm area record
+ * \param shmid IPC SHM ID
+ * \param ptr the shared area pointer
+ * \return The allocated shm area record, NULL if fail
+ *
+ * Allocates a shared area record with the given SHM ID and pointer.
+ * The record has a reference counter, which is initialized to 1 by this function.
+ */
+struct snd_shm_area *snd_shm_area_create(int shmid, void *ptr)
+{
+ struct snd_shm_area *area = malloc(sizeof(*area));
+ if (area) {
+ area->shmid = shmid;
+ area->ptr = ptr;
+ area->share = 1;
+ list_add_tail(&area->list, &shm_areas);
+ }
+ return area;
+}
+
+/**
+ * \brief Increase the reference counter of shm area record
+ * \param area shm area record
+ * \return the shm area record (identical with the argument)
+ *
+ * Increases the reference counter of the given shared area record.
+ */
+struct snd_shm_area *snd_shm_area_share(struct snd_shm_area *area)
+{
+ if (area == NULL)
+ return NULL;
+ area->share++;
+ return area;
+}
+
+/**
+ * \brief Release the shared area record
+ * \param area the shared are record
+ * \return 0 if successful, or a negative error code
+ *
+ * Decreases the reference counter of the given shared area record, and
+ * releases the resources automaticall if it reaches to 0.
+ */
+int snd_shm_area_destroy(struct snd_shm_area *area)
+{
+ if (area == NULL)
+ return -ENOENT;
+ if (--area->share)
+ return 0;
+ list_del(&area->list);
+ shmdt(area->ptr);
+ free(area);
+ return 0;
+}
+
+void snd_shm_area_destructor(void) __attribute__ ((destructor));
+
+void snd_shm_area_destructor(void)
+{
+ struct list_head *pos;
+ struct snd_shm_area *area;
+
+ list_for_each(pos, &shm_areas) {
+ area = list_entry(pos, struct snd_shm_area, list);
+ shmdt(area->ptr);
+ }
+}
diff --git a/src/socket.c b/src/socket.c
new file mode 100644
index 0000000..d40c845
--- /dev/null
+++ b/src/socket.c
@@ -0,0 +1,109 @@
+/**
+ * \file socket.c
+ * \brief Socket helper routines
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \date 2003
+ */
+/*
+ * Socket helper routines
+ * Copyright (c) 2003 by Abramo Bagnara <abramo@alsa-project.org>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <netdb.h>
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+int snd_send_fd(int sock, void *data, size_t len, int fd)
+{
+ int ret;
+ size_t cmsg_len = CMSG_LEN(sizeof(int));
+ struct cmsghdr *cmsg = alloca(cmsg_len);
+ int *fds = (int *) CMSG_DATA(cmsg);
+ struct msghdr msghdr;
+ struct iovec vec;
+
+ vec.iov_base = (void *)&data;
+ vec.iov_len = len;
+
+ cmsg->cmsg_len = cmsg_len;
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ *fds = fd;
+
+ msghdr.msg_name = NULL;
+ msghdr.msg_namelen = 0;
+ msghdr.msg_iov = &vec;
+ msghdr.msg_iovlen = 1;
+ msghdr.msg_control = cmsg;
+ msghdr.msg_controllen = cmsg_len;
+ msghdr.msg_flags = 0;
+
+ ret = sendmsg(sock, &msghdr, 0 );
+ if (ret < 0) {
+ SYSERR("sendmsg failed");
+ return -errno;
+ }
+ return ret;
+}
+
+int snd_receive_fd(int sock, void *data, size_t len, int *fd)
+{
+ int ret;
+ size_t cmsg_len = CMSG_LEN(sizeof(int));
+ struct cmsghdr *cmsg = alloca(cmsg_len);
+ int *fds = (int *) CMSG_DATA(cmsg);
+ struct msghdr msghdr;
+ struct iovec vec;
+
+ vec.iov_base = (void *)&data;
+ vec.iov_len = len;
+
+ cmsg->cmsg_len = cmsg_len;
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ *fds = -1;
+
+ msghdr.msg_name = NULL;
+ msghdr.msg_namelen = 0;
+ msghdr.msg_iov = &vec;
+ msghdr.msg_iovlen = 1;
+ msghdr.msg_control = cmsg;
+ msghdr.msg_controllen = cmsg_len;
+ msghdr.msg_flags = 0;
+
+ ret = recvmsg(sock, &msghdr, 0);
+ if (ret < 0) {
+ SYSERR("recvmsg failed");
+ return -errno;
+ }
+ *fd = *fds;
+ return ret;
+}
+#endif
diff --git a/src/timer/Android.mk b/src/timer/Android.mk
new file mode 100644
index 0000000..00090db
--- /dev/null
+++ b/src/timer/Android.mk
@@ -0,0 +1,13 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+ timer.c \
+ timer_hw.c \
+ timer_query.c \
+ timer_query_hw.c \
+ timer_symbols.c
+LOCAL_CFLAGS := $(ALSA_LIB_CFLAGS)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../include
+LOCAL_MODULE := libtimer
+include $(BUILD_STATIC_LIBRARY)
diff --git a/src/timer/Makefile.am b/src/timer/Makefile.am
new file mode 100644
index 0000000..7cfbe45
--- /dev/null
+++ b/src/timer/Makefile.am
@@ -0,0 +1,9 @@
+EXTRA_LTLIBRARIES=libtimer.la
+
+libtimer_la_SOURCES = timer.c timer_hw.c timer_query.c timer_query_hw.c \
+ timer_symbols.c
+noinst_HEADERS = timer_local.h
+all: libtimer.la
+
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/src/timer/Makefile.in b/src/timer/Makefile.in
new file mode 100644
index 0000000..8bca1ca
--- /dev/null
+++ b/src/timer/Makefile.in
@@ -0,0 +1,547 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = src/timer
+DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
+ $(srcdir)/Makefile.in $(top_srcdir)/depcomp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+libtimer_la_LIBADD =
+am_libtimer_la_OBJECTS = timer.lo timer_hw.lo timer_query.lo \
+ timer_query_hw.lo timer_symbols.lo
+libtimer_la_OBJECTS = $(am_libtimer_la_OBJECTS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo " GEN " $@;
+am__v_GEN_1 =
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 =
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include
+depcomp = $(SHELL) $(top_srcdir)/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo " CC " $@;
+am__v_CC_1 =
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo " CCLD " $@;
+am__v_CCLD_1 =
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+DIST_SOURCES = $(libtimer_la_SOURCES)
+am__can_run_installinfo = \
+ case $$AM_UPDATE_INFO_DIR in \
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+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALSA_CONFIG_DIR = @ALSA_CONFIG_DIR@
+ALSA_DEPLIBS = @ALSA_DEPLIBS@
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+
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+ esac; \
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+ $(am__cd) $(top_srcdir) && \
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+
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+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
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+ else \
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+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
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+ @echo "it deletes files that may require special tools to rebuild."
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+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
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+ distclean-tags
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+ mostlyclean-libtool
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+
+all: libtimer.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/timer/timer.c b/src/timer/timer.c
new file mode 100644
index 0000000..b71a9f8
--- /dev/null
+++ b/src/timer/timer.c
@@ -0,0 +1,959 @@
+/**
+ * \file timer/timer.c
+ * \brief Timer Interface
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 1998-2001
+ *
+ * Timer Interface is designed to access timers.
+ * See \ref timer page for more details.
+ */
+/*
+ * Timer Interface - main file
+ * Copyright (c) 1998-2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*! \page timer Timer interface
+
+<P> Timer interface is designed to use internal timers in sound hardware, but
+it can be driven with any timer.
+
+\section timer_general_overview General overview
+
+The timer implementation uses ring buffer to store information about timing
+events. In this buffer is recorded count of ticks and current tick resolution
+in nanoseconds.
+
+\section timer_open Opening
+
+Timer devices can be opened in two ways. When #SND_TIMER_OPEN_NONBLOCK flag
+is used, then the open functions return immediately with -EBUSY error code when
+resources are occupied with another application. When #SND_TIMER_OPEN_NONBLOCK
+is not used (by default) the open functions block the application requesting
+device until resources are not free.
+
+\section timer_events Events
+
+Events are read via snd_timer_read() function.
+
+\section timer_examples Examples
+
+The full featured examples with cross-links:
+
+\par Simple timer test program
+\ref example_test_timer "example code"
+\par
+This example shows opening a timer device and reading of timer events.
+
+*/
+
+/**
+ * \example ../test/timer.c
+ * \anchor example_test_timer
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+#include "timer_local.h"
+
+static int snd_timer_open_conf(snd_timer_t **timer,
+ const char *name, snd_config_t *timer_root,
+ snd_config_t *timer_conf, int mode)
+{
+ const char *str;
+ char buf[256];
+ int err;
+ snd_config_t *conf, *type_conf = NULL;
+ snd_config_iterator_t i, next;
+ const char *id;
+ const char *lib = NULL, *open_name = NULL;
+ int (*open_func)(snd_timer_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
+#ifndef PIC
+ extern void *snd_timer_open_symbols(void);
+#endif
+ void *h = NULL;
+ if (snd_config_get_type(timer_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ if (name)
+ SNDERR("Invalid type for TIMER %s definition", name);
+ else
+ SNDERR("Invalid type for TIMER definition");
+ return -EINVAL;
+ }
+ err = snd_config_search(timer_conf, "type", &conf);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ return err;
+ }
+ err = snd_config_get_id(conf, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(timer_root, "timer_type", str, &type_conf);
+ if (err >= 0) {
+ if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for TIMER type %s definition", str);
+ goto _err;
+ }
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ open_name = buf;
+ snprintf(buf, sizeof(buf), "_snd_timer_%s_open", str);
+ }
+#ifndef PIC
+ snd_timer_open_symbols();
+#endif
+ h = snd_dlopen(lib, RTLD_NOW);
+ if (h)
+ open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_TIMER_DLSYM_VERSION));
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ } else if (!open_func) {
+ SNDERR("symbol %s is not defined inside %s", open_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ if (! err) {
+ err = open_func(timer, name, timer_root, timer_conf, mode);
+ if (err < 0)
+ snd_dlclose(h);
+ else
+ (*timer)->dl_handle = h;
+ }
+ return err;
+}
+
+static int snd_timer_open_noupdate(snd_timer_t **timer, snd_config_t *root, const char *name, int mode)
+{
+ int err;
+ snd_config_t *timer_conf;
+ err = snd_config_search_definition(root, "timer", name, &timer_conf);
+ if (err < 0) {
+ SNDERR("Unknown timer %s", name);
+ return err;
+ }
+ err = snd_timer_open_conf(timer, name, root, timer_conf, mode);
+ snd_config_delete(timer_conf);
+ return err;
+}
+
+/**
+ * \brief Opens a new connection to the timer interface.
+ * \param timer Returned handle (NULL if not wanted)
+ * \param name ASCII identifier of the timer handle
+ * \param mode Open mode
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the timer interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_timer_open(snd_timer_t **timer, const char *name, int mode)
+{
+ int err;
+ assert(timer && name);
+ err = snd_config_update();
+ if (err < 0)
+ return err;
+ return snd_timer_open_noupdate(timer, snd_config, name, mode);
+}
+
+/**
+ * \brief Opens a new connection to the timer interface using local configuration
+ * \param timer Returned handle (NULL if not wanted)
+ * \param name ASCII identifier of the timer handle
+ * \param mode Open mode
+ * \param lconf Local configuration
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the timer interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_timer_open_lconf(snd_timer_t **timer, const char *name,
+ int mode, snd_config_t *lconf)
+{
+ assert(timer && name && lconf);
+ return snd_timer_open_noupdate(timer, lconf, name, mode);
+}
+
+/**
+ * \brief close timer handle
+ * \param timer timer handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the specified timer handle and frees all associated
+ * resources.
+ */
+int snd_timer_close(snd_timer_t *timer)
+{
+ int err;
+ assert(timer);
+ while (!list_empty(&timer->async_handlers)) {
+ snd_async_handler_t *h = list_entry(timer->async_handlers.next, snd_async_handler_t, hlist);
+ snd_async_del_handler(h);
+ }
+ err = timer->ops->close(timer);
+ if (timer->dl_handle)
+ snd_dlclose(timer->dl_handle);
+ free(timer->name);
+ free(timer);
+ return err;
+}
+
+/**
+ * \brief get identifier of timer handle
+ * \param timer a timer handle
+ * \return ascii identifier of timer handle
+ *
+ * Returns the ASCII identifier of given timer handle. It's the same
+ * identifier specified in snd_timer_open().
+ */
+const char *snd_timer_name(snd_timer_t *timer)
+{
+ assert(timer);
+ return timer->name;
+}
+
+/**
+ * \brief get type of timer handle
+ * \param timer a timer handle
+ * \return type of timer handle
+ *
+ * Returns the type #snd_timer_type_t of given timer handle.
+ */
+snd_timer_type_t snd_timer_type(snd_timer_t *timer)
+{
+ assert(timer);
+ return timer->type;
+}
+
+/**
+ * \brief Add an async handler for a timer
+ * \param handler Returned handler handle
+ * \param timer timer handle
+ * \param callback Callback function
+ * \param private_data Callback private data
+ * \return 0 otherwise a negative error code on failure
+ *
+ * The asynchronous callback is called when new timer event occurs.
+ */
+int snd_async_add_timer_handler(snd_async_handler_t **handler, snd_timer_t *timer,
+ snd_async_callback_t callback, void *private_data)
+{
+ int err;
+ int was_empty;
+ snd_async_handler_t *h;
+ err = snd_async_add_handler(&h, timer->poll_fd,
+ callback, private_data);
+ if (err < 0)
+ return err;
+ h->type = SND_ASYNC_HANDLER_TIMER;
+ h->u.timer = timer;
+ was_empty = list_empty(&timer->async_handlers);
+ list_add_tail(&h->hlist, &timer->async_handlers);
+ if (was_empty) {
+ err = snd_timer_async(timer, snd_async_handler_get_signo(h), getpid());
+ if (err < 0) {
+ snd_async_del_handler(h);
+ return err;
+ }
+ }
+ *handler = h;
+ return 0;
+}
+
+/**
+ * \brief Return timer handle related to an async handler
+ * \param handler Async handler handle
+ * \return timer handle
+ */
+snd_timer_t *snd_async_handler_get_timer(snd_async_handler_t *handler)
+{
+ if (handler->type != SND_ASYNC_HANDLER_TIMER) {
+ SNDMSG("invalid handler type %d", handler->type);
+ return NULL;
+ }
+ return handler->u.timer;
+}
+
+/**
+ * \brief get count of poll descriptors for timer handle
+ * \param timer timer handle
+ * \return count of poll descriptors
+ */
+int snd_timer_poll_descriptors_count(snd_timer_t *timer)
+{
+ assert(timer);
+ return 1;
+}
+
+/**
+ * \brief get poll descriptors
+ * \param timer timer handle
+ * \param pfds array of poll descriptors
+ * \param space space in the poll descriptor array
+ * \return count of filled descriptors
+ */
+int snd_timer_poll_descriptors(snd_timer_t *timer, struct pollfd *pfds, unsigned int space)
+{
+ assert(timer);
+ if (space >= 1) {
+ pfds->fd = timer->poll_fd;
+ switch (timer->mode & O_ACCMODE) {
+ case O_WRONLY:
+ pfds->events = POLLOUT|POLLERR|POLLNVAL;
+ break;
+ case O_RDONLY:
+ pfds->events = POLLIN|POLLERR|POLLNVAL;
+ break;
+ case O_RDWR:
+ pfds->events = POLLOUT|POLLIN|POLLERR|POLLNVAL;
+ break;
+ default:
+ return -EIO;
+ }
+ return 1;
+ }
+ return 0;
+}
+
+/**
+ * \brief get returned events from poll descriptors
+ * \param timer timer handle
+ * \param pfds array of poll descriptors
+ * \param nfds count of poll descriptors
+ * \param revents returned events
+ * \return zero if success, otherwise a negative error code
+ */
+int snd_timer_poll_descriptors_revents(snd_timer_t *timer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
+{
+ assert(timer && pfds && revents);
+ if (nfds == 1) {
+ *revents = pfds->revents;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/**
+ * \brief set nonblock mode
+ * \param timer timer handle
+ * \param nonblock 0 = block, 1 = nonblock mode
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_timer_nonblock(snd_timer_t *timer, int nonblock)
+{
+ int err;
+ assert(timer);
+ if ((err = timer->ops->nonblock(timer, nonblock)) < 0)
+ return err;
+ if (nonblock)
+ timer->mode |= SND_TIMER_OPEN_NONBLOCK;
+ else
+ timer->mode &= ~SND_TIMER_OPEN_NONBLOCK;
+ return 0;
+}
+
+#ifndef DOC_HIDDEN
+/**
+ * \brief set async mode
+ * \param timer timer handle
+ * \param sig Signal to raise: < 0 disable, 0 default (SIGIO)
+ * \param pid Process ID to signal: 0 current
+ * \return 0 on success otherwise a negative error code
+ *
+ * A signal is raised every period.
+ */
+int snd_timer_async(snd_timer_t *timer, int sig, pid_t pid)
+{
+ assert(timer);
+ if (sig == 0)
+ sig = SIGIO;
+ if (pid == 0)
+ pid = getpid();
+ return timer->ops->async(timer, sig, pid);
+}
+#endif
+
+/**
+ * \brief get size of the snd_timer_info_t structure in bytes
+ * \return size of the snd_timer_info_t structure in bytes
+ */
+size_t snd_timer_info_sizeof()
+{
+ return sizeof(snd_timer_info_t);
+}
+
+/**
+ * \brief allocate a new snd_timer_info_t structure
+ * \param info returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_timer_info_t structure using the standard
+ * malloc C library function.
+ */
+int snd_timer_info_malloc(snd_timer_info_t **info)
+{
+ assert(info);
+ *info = calloc(1, sizeof(snd_timer_info_t));
+ if (!*info)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_timer_info_t structure
+ * \param info pointer to the snd_timer_info_t structure to free
+ *
+ * Frees the given snd_timer_info_t structure using the standard
+ * free C library function.
+ */
+void snd_timer_info_free(snd_timer_info_t *info)
+{
+ assert(info);
+ free(info);
+}
+
+/**
+ * \brief copy one snd_timer_info_t structure to another
+ * \param dst destination snd_timer_info_t structure
+ * \param src source snd_timer_info_t structure
+ */
+void snd_timer_info_copy(snd_timer_info_t *dst, const snd_timer_info_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief determine, if timer is slave
+ * \param info pointer to #snd_timer_info_t structure
+ * \return nonzero if timer is slave
+ */
+int snd_timer_info_is_slave(snd_timer_info_t * info)
+{
+ assert(info);
+ return info->flags & SNDRV_TIMER_FLG_SLAVE ? 1 : 0;
+}
+
+/**
+ * \brief get timer card
+ * \param info pointer to #snd_timer_info_t structure
+ * \return timer card number
+ */
+int snd_timer_info_get_card(snd_timer_info_t * info)
+{
+ assert(info);
+ return info->card;
+}
+
+/**
+ * \brief get timer id
+ * \param info pointer to #snd_timer_info_t structure
+ * \return timer id
+ */
+const char *snd_timer_info_get_id(snd_timer_info_t * info)
+{
+ assert(info);
+ return (const char *)info->id;
+}
+
+/**
+ * \brief get timer name
+ * \param info pointer to #snd_timer_info_t structure
+ * \return timer name
+ */
+const char *snd_timer_info_get_name(snd_timer_info_t * info)
+{
+ assert(info);
+ return (const char *)info->name;
+}
+
+
+/**
+ * \brief get timer resolution in us
+ * \param info pointer to #snd_timer_info_t structure
+ * \return timer resolution
+ */
+long snd_timer_info_get_resolution(snd_timer_info_t * info)
+{
+ assert(info);
+ return info->resolution;
+}
+
+/**
+ * \brief get information about timer handle
+ * \param timer timer handle
+ * \param info pointer to a snd_timer_info_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_timer_info(snd_timer_t *timer, snd_timer_info_t * info)
+{
+ assert(timer);
+ assert(info);
+ return timer->ops->info(timer, info);
+}
+
+/**
+ * \brief get size of the snd_timer_params_t structure in bytes
+ * \return size of the snd_timer_params_t structure in bytes
+ */
+size_t snd_timer_params_sizeof()
+{
+ return sizeof(snd_timer_params_t);
+}
+
+/**
+ * \brief allocate a new snd_timer_params_t structure
+ * \param params returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_timer_params_t structure using the standard
+ * malloc C library function.
+ */
+int snd_timer_params_malloc(snd_timer_params_t **params)
+{
+ assert(params);
+ *params = calloc(1, sizeof(snd_timer_params_t));
+ if (!*params)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_timer_params_t structure
+ * \param params pointer to the snd_timer_params_t structure to free
+ *
+ * Frees the given snd_timer_params_t structure using the standard
+ * free C library function.
+ */
+void snd_timer_params_free(snd_timer_params_t *params)
+{
+ assert(params);
+ free(params);
+}
+
+/**
+ * \brief copy one snd_timer_params_t structure to another
+ * \param dst destination snd_timer_params_t structure
+ * \param src source snd_timer_params_t structure
+ */
+void snd_timer_params_copy(snd_timer_params_t *dst, const snd_timer_params_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief set timer auto start
+ * \param params pointer to #snd_timer_params_t structure
+ * \param auto_start The boolean value to set
+ */
+int snd_timer_params_set_auto_start(snd_timer_params_t * params, int auto_start)
+{
+ assert(params);
+ if (auto_start)
+ params->flags |= SNDRV_TIMER_PSFLG_AUTO;
+ else
+ params->flags &= ~SNDRV_TIMER_PSFLG_AUTO;
+ return 0;
+}
+
+/**
+ * \brief determine if timer has auto start flag
+ * \param params pointer to #snd_timer_params_t structure
+ * \return nonzero if timer has auto start flag
+ */
+int snd_timer_params_get_auto_start(snd_timer_params_t * params)
+{
+ assert(params);
+ return params->flags & SNDRV_TIMER_PSFLG_AUTO ? 1 : 0;
+}
+
+/**
+ * \brief set timer exclusive use
+ * \param params pointer to #snd_timer_params_t structure
+ * \param exclusive The boolean value to set
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_timer_params_set_exclusive)(snd_timer_params_t * params, int exclusive)
+#else
+int snd_timer_params_set_exclusive(snd_timer_params_t * params, int exclusive)
+#endif
+{
+ assert(params);
+ if (exclusive)
+ params->flags |= SNDRV_TIMER_PSFLG_EXCLUSIVE;
+ else
+ params->flags &= ~SNDRV_TIMER_PSFLG_EXCLUSIVE;
+ return 0;
+}
+use_default_symbol_version(__snd_timer_params_set_exclusive, snd_timer_params_set_exclusive, ALSA_0.9.0);
+
+/**
+ * \brief determine if timer has exclusive flag
+ * \param params pointer to #snd_timer_params_t structure
+ * \return nonzero if timer has exclusive flag
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_timer_params_get_exclusive)(snd_timer_params_t * params)
+#else
+int snd_timer_params_get_exclusive(snd_timer_params_t * params)
+#endif
+{
+ assert(params);
+ return params->flags & SNDRV_TIMER_PSFLG_EXCLUSIVE ? 1 : 0;
+}
+use_default_symbol_version(__snd_timer_params_get_exclusive, snd_timer_params_get_exclusive, ALSA_0.9.0);
+
+/**
+ * \brief set timer early event
+ * \param params pointer to #snd_timer_params_t structure
+ * \param early_event The boolean value to set
+ */
+int snd_timer_params_set_early_event(snd_timer_params_t * params, int early_event)
+{
+ assert(params);
+ if (early_event)
+ params->flags |= SNDRV_TIMER_PSFLG_EARLY_EVENT;
+ else
+ params->flags &= ~SNDRV_TIMER_PSFLG_EARLY_EVENT;
+ return 0;
+}
+
+/**
+ * \brief determine if timer has early event flag
+ * \param params pointer to #snd_timer_params_t structure
+ * \return nonzero if timer has early event flag set
+ */
+int snd_timer_params_get_early_event(snd_timer_params_t * params)
+{
+ assert(params);
+ return params->flags & SNDRV_TIMER_PSFLG_EARLY_EVENT ? 1 : 0;
+}
+
+/**
+ * \brief set timer ticks
+ * \param params pointer to #snd_timer_params_t structure
+ * \param ticks Ticks to set
+ */
+void snd_timer_params_set_ticks(snd_timer_params_t * params, long ticks)
+{
+ assert(params);
+ params->ticks = ticks;
+}
+
+/**
+ * \brief get timer ticks
+ * \param params pointer to #snd_timer_params_t structure
+ * \return timer ticks
+ */
+long snd_timer_params_get_ticks(snd_timer_params_t * params)
+{
+ assert(params);
+ return params->ticks;
+}
+
+/**
+ * \brief set timer queue size (32-1024)
+ * \param params pointer to #snd_timer_params_t structure
+ * \param queue_size The queue size to set
+ */
+void snd_timer_params_set_queue_size(snd_timer_params_t * params, long queue_size)
+{
+ assert(params);
+ params->queue_size = queue_size;
+}
+
+/**
+ * \brief get queue size
+ * \param params pointer to #snd_timer_params_t structure
+ * \return queue size
+ */
+long snd_timer_params_get_queue_size(snd_timer_params_t * params)
+{
+ assert(params);
+ return params->queue_size;
+}
+
+/**
+ * \brief set timer event filter
+ * \param params pointer to #snd_timer_params_t structure
+ * \param filter The event filter bits to set
+ */
+#ifndef DOXYGEN
+void INTERNAL(snd_timer_params_set_filter)(snd_timer_params_t * params, unsigned int filter)
+#else
+void snd_timer_params_set_filter(snd_timer_params_t * params, unsigned int filter)
+#endif
+{
+ assert(params);
+ params->filter = filter;
+}
+use_default_symbol_version(__snd_timer_params_set_filter, snd_timer_params_set_filter, ALSA_0.9.0);
+
+/**
+ * \brief get timer event filter
+ * \param params pointer to #snd_timer_params_t structure
+ * \return timer event filter
+ */
+#ifndef DOXYGEN
+unsigned int INTERNAL(snd_timer_params_get_filter)(snd_timer_params_t * params)
+#else
+unsigned int snd_timer_params_get_filter(snd_timer_params_t * params)
+#endif
+{
+ assert(params);
+ return params->filter;
+}
+use_default_symbol_version(__snd_timer_params_get_filter, snd_timer_params_get_filter, ALSA_0.9.0);
+
+/**
+ * \brief set parameters for timer handle
+ * \param timer timer handle
+ * \param params pointer to a #snd_timer_params_t structure
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_timer_params(snd_timer_t *timer, snd_timer_params_t * params)
+{
+ assert(timer);
+ assert(params);
+ return timer->ops->params(timer, params);
+}
+
+/**
+ * \brief get size of the snd_timer_status_t structure in bytes
+ * \return size of the snd_timer_status_t structure in bytes
+ */
+size_t snd_timer_status_sizeof()
+{
+ return sizeof(snd_timer_status_t);
+}
+
+/**
+ * \brief allocate a new snd_timer_status_t structure
+ * \param status returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_timer_status_t structure using the standard
+ * malloc C library function.
+ */
+int snd_timer_status_malloc(snd_timer_status_t **status)
+{
+ assert(status);
+ *status = calloc(1, sizeof(snd_timer_status_t));
+ if (!*status)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_timer_status_t structure
+ * \param status pointer to the snd_timer_status_t structure to free
+ *
+ * Frees the given snd_timer_status_t structure using the standard
+ * free C library function.
+ */
+void snd_timer_status_free(snd_timer_status_t *status)
+{
+ assert(status);
+ free(status);
+}
+
+/**
+ * \brief copy one snd_timer_status_t structure to another
+ * \param dst destination snd_timer_status_t structure
+ * \param src source snd_timer_status_t structure
+ */
+void snd_timer_status_copy(snd_timer_status_t *dst, const snd_timer_status_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+
+
+/**
+ * \brief get timestamp
+ * \param status pointer to #snd_timer_status_t structure
+ * \return timestamp
+ */
+snd_htimestamp_t snd_timer_status_get_timestamp(snd_timer_status_t * status)
+{
+ assert(status);
+ return status->tstamp;
+}
+
+/**
+ * \brief get resolution in us
+ * \param status pointer to #snd_timer_status_t structure
+ * \return resolution
+ */
+long snd_timer_status_get_resolution(snd_timer_status_t * status)
+{
+ assert(status);
+ return status->resolution;
+}
+
+/**
+ * \brief get master tick lost count
+ * \param status pointer to #snd_timer_status_t structure
+ * \return master tick lost count
+ */
+long snd_timer_status_get_lost(snd_timer_status_t * status)
+{
+ assert(status);
+ return status->lost;
+}
+
+/**
+ * \brief get overrun count
+ * \param status pointer to #snd_timer_status_t structure
+ * \return overrun count
+ */
+long snd_timer_status_get_overrun(snd_timer_status_t * status)
+{
+ assert(status);
+ return status->overrun;
+}
+
+/**
+ * \brief get count of used queue elements
+ * \param status pointer to #snd_timer_status_t structure
+ * \return count of used queue elements
+ */
+long snd_timer_status_get_queue(snd_timer_status_t * status)
+{
+ assert(status);
+ return status->queue;
+}
+
+/**
+ * \brief get status from timer handle
+ * \param timer timer handle
+ * \param status pointer to a #snd_timer_status_t structure to be filled
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_timer_status(snd_timer_t *timer, snd_timer_status_t * status)
+{
+ assert(timer);
+ assert(status);
+ return timer->ops->status(timer, status);
+}
+
+/**
+ * \brief start the timer
+ * \param timer timer handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_timer_start(snd_timer_t *timer)
+{
+ assert(timer);
+ return timer->ops->rt_start(timer);
+}
+
+/**
+ * \brief stop the timer
+ * \param timer timer handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_timer_stop(snd_timer_t *timer)
+{
+ assert(timer);
+ return timer->ops->rt_stop(timer);
+}
+
+/**
+ * \brief continue the timer
+ * \param timer timer handle
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_timer_continue(snd_timer_t *timer)
+{
+ assert(timer);
+ return timer->ops->rt_continue(timer);
+}
+
+/**
+ * \brief read bytes using timer handle
+ * \param timer timer handle
+ * \param buffer buffer to store the input bytes
+ * \param size input buffer size in bytes
+ */
+ssize_t snd_timer_read(snd_timer_t *timer, void *buffer, size_t size)
+{
+ assert(timer);
+ assert(((timer->mode & O_ACCMODE) == O_RDONLY) || ((timer->mode & O_ACCMODE) == O_RDWR));
+ assert(buffer || size == 0);
+ return (timer->ops->read)(timer, buffer, size);
+}
+
+/**
+ * \brief (DEPRECATED) get maximum timer ticks
+ * \param info pointer to #snd_timer_info_t structure
+ * \return maximum timer ticks
+ */
+long snd_timer_info_get_ticks(snd_timer_info_t * info)
+{
+ assert(info);
+ return 1;
+}
+#ifndef DOC_HIDDEN
+link_warning(snd_timer_info_get_ticks, "Warning: snd_timer_info_get_ticks is deprecated");
+#endif
diff --git a/src/timer/timer_hw.c b/src/timer/timer_hw.c
new file mode 100644
index 0000000..aa6a0b1
--- /dev/null
+++ b/src/timer/timer_hw.c
@@ -0,0 +1,349 @@
+/*
+ * Timer Interface - main file
+ * Copyright (c) 1998-2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "timer_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_timer_hw = "";
+#endif
+
+#define SNDRV_FILE_TIMER ALSA_DEVICE_DIRECTORY "timer"
+#define SNDRV_TIMER_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 5)
+
+#define SNDRV_TIMER_IOCTL_STATUS_OLD _IOW('T', 0x14, struct snd_timer_status)
+
+enum {
+ SNDRV_TIMER_IOCTL_START_OLD = _IO('T', 0x20),
+ SNDRV_TIMER_IOCTL_STOP_OLD = _IO('T', 0x21),
+ SNDRV_TIMER_IOCTL_CONTINUE_OLD = _IO('T', 0x22),
+ SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23),
+};
+
+static int snd_timer_hw_close(snd_timer_t *handle)
+{
+ snd_timer_t *tmr = handle;
+ int res;
+
+ if (!tmr)
+ return -EINVAL;
+ res = close(tmr->poll_fd) < 0 ? -errno : 0;
+ return res;
+}
+
+static int snd_timer_hw_nonblock(snd_timer_t *timer, int nonblock)
+{
+ long flags;
+ assert(timer);
+ if ((flags = fcntl(timer->poll_fd, F_GETFL)) < 0)
+ return -errno;
+ if (nonblock)
+ flags |= O_NONBLOCK;
+ else
+ flags &= ~O_NONBLOCK;
+ if (fcntl(timer->poll_fd, F_SETFL, flags) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_hw_async(snd_timer_t *timer, int sig, pid_t pid)
+{
+ long flags;
+ int fd;
+
+ assert(timer);
+ fd = timer->poll_fd;
+ if ((flags = fcntl(fd, F_GETFL)) < 0) {
+ SYSERR("F_GETFL failed");
+ return -errno;
+ }
+ if (sig >= 0)
+ flags |= O_ASYNC;
+ else
+ flags &= ~O_ASYNC;
+ if (fcntl(fd, F_SETFL, flags) < 0) {
+ SYSERR("F_SETFL for O_ASYNC failed");
+ return -errno;
+ }
+ if (sig < 0)
+ return 0;
+ if (fcntl(fd, F_SETSIG, (long)sig) < 0) {
+ SYSERR("F_SETSIG failed");
+ return -errno;
+ }
+ if (fcntl(fd, F_SETOWN, (long)pid) < 0) {
+ SYSERR("F_SETOWN failed");
+ return -errno;
+ }
+ return 0;
+}
+
+static int snd_timer_hw_info(snd_timer_t *handle, snd_timer_info_t * info)
+{
+ snd_timer_t *tmr;
+
+ tmr = handle;
+ if (!tmr || !info)
+ return -EINVAL;
+ if (ioctl(tmr->poll_fd, SNDRV_TIMER_IOCTL_INFO, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_hw_params(snd_timer_t *handle, snd_timer_params_t * params)
+{
+ snd_timer_t *tmr;
+
+ tmr = handle;
+ if (!tmr || !params)
+ return -EINVAL;
+ if (ioctl(tmr->poll_fd, SNDRV_TIMER_IOCTL_PARAMS, params) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_hw_status(snd_timer_t *handle, snd_timer_status_t * status)
+{
+ snd_timer_t *tmr;
+ int cmd;
+
+ tmr = handle;
+ if (!tmr || !status)
+ return -EINVAL;
+ if (tmr->version < SNDRV_PROTOCOL_VERSION(2, 0, 1))
+ cmd = SNDRV_TIMER_IOCTL_STATUS_OLD;
+ else
+ cmd = SNDRV_TIMER_IOCTL_STATUS;
+ if (ioctl(tmr->poll_fd, cmd, status) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_hw_start(snd_timer_t *handle)
+{
+ snd_timer_t *tmr;
+ unsigned int cmd;
+
+ tmr = handle;
+ if (!tmr)
+ return -EINVAL;
+ if (tmr->version < SNDRV_PROTOCOL_VERSION(2, 0, 4))
+ cmd = SNDRV_TIMER_IOCTL_START_OLD;
+ else
+ cmd = SNDRV_TIMER_IOCTL_START;
+ if (ioctl(tmr->poll_fd, cmd) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_hw_stop(snd_timer_t *handle)
+{
+ snd_timer_t *tmr;
+ unsigned int cmd;
+
+ tmr = handle;
+ if (!tmr)
+ return -EINVAL;
+ if (tmr->version < SNDRV_PROTOCOL_VERSION(2, 0, 4))
+ cmd = SNDRV_TIMER_IOCTL_STOP_OLD;
+ else
+ cmd = SNDRV_TIMER_IOCTL_STOP;
+ if (ioctl(tmr->poll_fd, cmd) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_hw_continue(snd_timer_t *handle)
+{
+ snd_timer_t *tmr;
+ unsigned int cmd;
+
+ tmr = handle;
+ if (!tmr)
+ return -EINVAL;
+ if (tmr->version < SNDRV_PROTOCOL_VERSION(2, 0, 4))
+ cmd = SNDRV_TIMER_IOCTL_CONTINUE_OLD;
+ else
+ cmd = SNDRV_TIMER_IOCTL_CONTINUE;
+ if (ioctl(tmr->poll_fd, cmd) < 0)
+ return -errno;
+ return 0;
+}
+
+static ssize_t snd_timer_hw_read(snd_timer_t *handle, void *buffer, size_t size)
+{
+ snd_timer_t *tmr;
+ ssize_t result;
+
+ tmr = handle;
+ if (!tmr || (!buffer && size > 0))
+ return -EINVAL;
+ result = read(tmr->poll_fd, buffer, size);
+ if (result < 0)
+ return -errno;
+ return result;
+}
+
+static const snd_timer_ops_t snd_timer_hw_ops = {
+ .close = snd_timer_hw_close,
+ .nonblock = snd_timer_hw_nonblock,
+ .async = snd_timer_hw_async,
+ .info = snd_timer_hw_info,
+ .params = snd_timer_hw_params,
+ .status = snd_timer_hw_status,
+ .rt_start = snd_timer_hw_start,
+ .rt_stop = snd_timer_hw_stop,
+ .rt_continue = snd_timer_hw_continue,
+ .read = snd_timer_hw_read,
+};
+
+int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int dev_sclass, int card, int device, int subdevice, int mode)
+{
+ int fd, ver, tmode, ret;
+ snd_timer_t *tmr;
+ struct snd_timer_select sel;
+
+ *handle = NULL;
+
+ tmode = O_RDONLY;
+ if (mode & SND_TIMER_OPEN_NONBLOCK)
+ tmode |= O_NONBLOCK;
+ fd = snd_open_device(SNDRV_FILE_TIMER, tmode);
+ if (fd < 0)
+ return -errno;
+ if (ioctl(fd, SNDRV_TIMER_IOCTL_PVERSION, &ver) < 0) {
+ ret = -errno;
+ close(fd);
+ return ret;
+ }
+ if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_TIMER_VERSION_MAX)) {
+ close(fd);
+ return -SND_ERROR_INCOMPATIBLE_VERSION;
+ }
+ if (mode & SND_TIMER_OPEN_TREAD) {
+ int arg = 1;
+ if (ver < SNDRV_PROTOCOL_VERSION(2, 0, 3)) {
+ ret = -ENOTTY;
+ goto __no_tread;
+ }
+ if (ioctl(fd, SNDRV_TIMER_IOCTL_TREAD, &arg) < 0) {
+ ret = -errno;
+ __no_tread:
+ close(fd);
+ SNDMSG("extended read is not supported (SNDRV_TIMER_IOCTL_TREAD)");
+ return ret;
+ }
+ }
+ memset(&sel, 0, sizeof(sel));
+ sel.id.dev_class = dev_class;
+ sel.id.dev_sclass = dev_sclass;
+ sel.id.card = card;
+ sel.id.device = device;
+ sel.id.subdevice = subdevice;
+ if (ioctl(fd, SNDRV_TIMER_IOCTL_SELECT, &sel) < 0) {
+ ret = -errno;
+ close(fd);
+ return ret;
+ }
+ tmr = (snd_timer_t *) calloc(1, sizeof(snd_timer_t));
+ if (tmr == NULL) {
+ close(fd);
+ return -ENOMEM;
+ }
+ tmr->type = SND_TIMER_TYPE_HW;
+ tmr->version = ver;
+ tmr->mode = tmode;
+ tmr->name = strdup(name);
+ tmr->poll_fd = fd;
+ tmr->ops = &snd_timer_hw_ops;
+ INIT_LIST_HEAD(&tmr->async_handlers);
+ *handle = tmr;
+ return 0;
+}
+
+int _snd_timer_hw_open(snd_timer_t **timer, char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *conf, int mode)
+{
+ snd_config_iterator_t i, next;
+ long dev_class = SND_TIMER_CLASS_GLOBAL, dev_sclass = SND_TIMER_SCLASS_NONE;
+ long card = 0, device = 0, subdevice = 0;
+ const char *str;
+ int err;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0)
+ continue;
+ if (strcmp(id, "class") == 0) {
+ err = snd_config_get_integer(n, &dev_class);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "sclass") == 0) {
+ err = snd_config_get_integer(n, &dev_sclass);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "card") == 0) {
+ err = snd_config_get_integer(n, &card);
+ if (err < 0) {
+ err = snd_config_get_string(n, &str);
+ if (err < 0)
+ return -EINVAL;
+ card = snd_card_get_index(str);
+ if (card < 0)
+ return card;
+ }
+ continue;
+ }
+ if (strcmp(id, "device") == 0) {
+ err = snd_config_get_integer(n, &device);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ if (strcmp(id, "subdevice") == 0) {
+ err = snd_config_get_integer(n, &subdevice);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ SNDERR("Unexpected field %s", id);
+ return -EINVAL;
+ }
+ if (card < 0)
+ return -EINVAL;
+ return snd_timer_hw_open(timer, name, dev_class, dev_sclass, card, device, subdevice, mode);
+}
+SND_DLSYM_BUILD_VERSION(_snd_timer_hw_open, SND_TIMER_DLSYM_VERSION);
diff --git a/src/timer/timer_local.h b/src/timer/timer_local.h
new file mode 100644
index 0000000..8040b05
--- /dev/null
+++ b/src/timer/timer_local.h
@@ -0,0 +1,76 @@
+/*
+ * Timer interface - local header file
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "local.h"
+
+#ifndef DOC_HIDDEN
+typedef struct {
+ int (*close)(snd_timer_t *timer);
+ int (*nonblock)(snd_timer_t *timer, int nonblock);
+ int (*async)(snd_timer_t *timer, int sig, pid_t pid);
+ int (*info)(snd_timer_t *timer, snd_timer_info_t *info);
+ int (*params)(snd_timer_t *timer, snd_timer_params_t *params);
+ int (*status)(snd_timer_t *timer, snd_timer_status_t *status);
+ int (*rt_start)(snd_timer_t *timer);
+ int (*rt_stop)(snd_timer_t *timer);
+ int (*rt_continue)(snd_timer_t *timer);
+ ssize_t (*read)(snd_timer_t *timer, void *buffer, size_t size);
+} snd_timer_ops_t;
+
+struct _snd_timer {
+ unsigned int version;
+ void *dl_handle;
+ char *name;
+ snd_timer_type_t type;
+ int mode;
+ int poll_fd;
+ const snd_timer_ops_t *ops;
+ void *private_data;
+ struct list_head async_handlers;
+};
+
+typedef struct {
+ int (*close)(snd_timer_query_t *timer);
+ int (*next_device)(snd_timer_query_t *timer, snd_timer_id_t *tid);
+ int (*info)(snd_timer_query_t *timer, snd_timer_ginfo_t *info);
+ int (*params)(snd_timer_query_t *timer, snd_timer_gparams_t *info);
+ int (*status)(snd_timer_query_t *timer, snd_timer_gstatus_t *info);
+} snd_timer_query_ops_t;
+
+struct _snd_timer_query {
+ void *dl_handle;
+ char *name;
+ snd_timer_type_t type;
+ int mode;
+ int poll_fd;
+ const snd_timer_query_ops_t *ops;
+ void *private_data;
+};
+#endif /* DOC_HIDDEN */
+
+int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int dev_sclass, int card, int device, int subdevice, int mode);
+
+int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mode);
+
+int snd_timer_async(snd_timer_t *timer, int sig, pid_t pid);
diff --git a/src/timer/timer_query.c b/src/timer/timer_query.c
new file mode 100644
index 0000000..50b098a
--- /dev/null
+++ b/src/timer/timer_query.c
@@ -0,0 +1,594 @@
+/**
+ * \file timer/timer_query.c
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \date 2001
+ *
+ * Timer Query Interface is designed to obtain identification of timers.
+ */
+/*
+ * Timer Query Interface - main file
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "timer_local.h"
+
+static int snd_timer_query_open_conf(snd_timer_query_t **timer,
+ const char *name, snd_config_t *timer_root,
+ snd_config_t *timer_conf, int mode)
+{
+ const char *str;
+ char buf[256];
+ int err;
+ snd_config_t *conf, *type_conf = NULL;
+ snd_config_iterator_t i, next;
+ const char *id;
+ const char *lib = NULL, *open_name = NULL;
+ int (*open_func)(snd_timer_query_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
+#ifndef PIC
+ extern void *snd_timer_query_open_symbols(void);
+#endif
+ void *h = NULL;
+ if (snd_config_get_type(timer_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ if (name)
+ SNDERR("Invalid type for TIMER %s definition", name);
+ else
+ SNDERR("Invalid type for TIMER definition");
+ return -EINVAL;
+ }
+ err = snd_config_search(timer_conf, "type", &conf);
+ if (err < 0) {
+ SNDERR("type is not defined");
+ return err;
+ }
+ err = snd_config_get_id(conf, &id);
+ if (err < 0) {
+ SNDERR("unable to get id");
+ return err;
+ }
+ err = snd_config_get_string(conf, &str);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ return err;
+ }
+ err = snd_config_search_definition(timer_root, "timer_query_type", str, &type_conf);
+ if (err >= 0) {
+ if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("Invalid type for TIMER type %s definition", str);
+ err = -EINVAL;
+ goto _err;
+ }
+ snd_config_for_each(i, next, type_conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "lib") == 0) {
+ err = snd_config_get_string(n, &lib);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ if (strcmp(id, "open") == 0) {
+ err = snd_config_get_string(n, &open_name);
+ if (err < 0) {
+ SNDERR("Invalid type for %s", id);
+ goto _err;
+ }
+ continue;
+ }
+ SNDERR("Unknown field %s", id);
+ err = -EINVAL;
+ goto _err;
+ }
+ }
+ if (!open_name) {
+ open_name = buf;
+ snprintf(buf, sizeof(buf), "_snd_timer_query_%s_open", str);
+ }
+#ifndef PIC
+ snd_timer_query_open_symbols();
+#endif
+ h = snd_dlopen(lib, RTLD_NOW);
+ if (h)
+ open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_TIMER_QUERY_DLSYM_VERSION));
+ err = 0;
+ if (!h) {
+ SNDERR("Cannot open shared library %s", lib);
+ err = -ENOENT;
+ } else if (!open_func) {
+ SNDERR("symbol %s is not defined inside %s", open_name, lib);
+ snd_dlclose(h);
+ err = -ENXIO;
+ }
+ _err:
+ if (type_conf)
+ snd_config_delete(type_conf);
+ if (! err) {
+ err = open_func(timer, name, timer_root, timer_conf, mode);
+ if (err < 0)
+ snd_dlclose(h);
+ else
+ (*timer)->dl_handle = h;
+ }
+ return err;
+}
+
+static int snd_timer_query_open_noupdate(snd_timer_query_t **timer, snd_config_t *root, const char *name, int mode)
+{
+ int err;
+ snd_config_t *timer_conf;
+ err = snd_config_search_definition(root, "timer_query", name, &timer_conf);
+ if (err < 0) {
+ SNDERR("Unknown timer %s", name);
+ return err;
+ }
+ err = snd_timer_query_open_conf(timer, name, root, timer_conf, mode);
+ snd_config_delete(timer_conf);
+ return err;
+}
+
+/**
+ * \brief Opens a new connection to the timer query interface.
+ * \param timer Returned handle (NULL if not wanted)
+ * \param name ASCII identifier of the RawMidi handle
+ * \param mode Open mode
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the RawMidi interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_timer_query_open(snd_timer_query_t **timer, const char *name, int mode)
+{
+ int err;
+ assert(timer && name);
+ err = snd_config_update();
+ if (err < 0)
+ return err;
+ return snd_timer_query_open_noupdate(timer, snd_config, name, mode);
+}
+
+/**
+ * \brief Opens a new connection to the timer query interface using local configuration
+ * \param timer Returned handle (NULL if not wanted)
+ * \param name ASCII identifier of the RawMidi handle
+ * \param mode Open mode
+ * \param lconf Local configuration
+ * \return 0 on success otherwise a negative error code
+ *
+ * Opens a new connection to the RawMidi interface specified with
+ * an ASCII identifier and mode.
+ */
+int snd_timer_query_open_lconf(snd_timer_query_t **timer, const char *name,
+ int mode, snd_config_t *lconf)
+{
+ assert(timer && name && lconf);
+ return snd_timer_query_open_noupdate(timer, lconf, name, mode);
+}
+
+/**
+ * \brief close timer query handle
+ * \param timer timer handle
+ * \return 0 on success otherwise a negative error code
+ *
+ * Closes the specified timer handle and frees all associated
+ * resources.
+ */
+int snd_timer_query_close(snd_timer_query_t *timer)
+{
+ int err;
+ assert(timer);
+ err = timer->ops->close(timer);
+ if (timer->dl_handle)
+ snd_dlclose(timer->dl_handle);
+ free(timer->name);
+ free(timer);
+ return err;
+}
+
+/**
+ * \brief obtain the next timer identification
+ * \param timer timer handle
+ * \param tid timer identification
+ * \return 0 on success otherwise a negative error code
+ *
+ * if tid->dev_class is -1, then the first device is returned
+ * if result tid->dev_class is -1, no more devices are left
+ */
+int snd_timer_query_next_device(snd_timer_query_t *timer, snd_timer_id_t *tid)
+{
+ assert(timer);
+ assert(tid);
+ return timer->ops->next_device(timer, tid);
+}
+
+/**
+ * \brief get size of the snd_timer_ginfo_t structure in bytes
+ * \return size of the snd_timer_ginfo_t structure in bytes
+ */
+size_t snd_timer_ginfo_sizeof(void)
+{
+ return sizeof(snd_timer_ginfo_t);
+}
+
+/**
+ * \brief allocate a new snd_timer_ginfo_t structure
+ * \param info returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_timer_info_t structure using the standard
+ * malloc C library function.
+ */
+int snd_timer_ginfo_malloc(snd_timer_ginfo_t **info)
+{
+ assert(info);
+ *info = calloc(1, sizeof(snd_timer_ginfo_t));
+ if (!*info)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_timer_ginfo_t structure
+ * \param info pointer to the snd_timer_ginfo_t structure to free
+ *
+ * Frees the given snd_timer_info_t structure using the standard
+ * free C library function.
+ */
+void snd_timer_ginfo_free(snd_timer_ginfo_t *info)
+{
+ assert(info);
+ free(info);
+}
+
+/**
+ * \brief copy one snd_timer_info_t structure to another
+ * \param dst destination snd_timer_info_t structure
+ * \param src source snd_timer_info_t structure
+ */
+void snd_timer_ginfo_copy(snd_timer_ginfo_t *dst, const snd_timer_ginfo_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief set timer identification
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \param tid pointer to #snd_timer_id_t structure
+ * \return zero on success otherwise a negative error number
+ */
+int snd_timer_ginfo_set_tid(snd_timer_ginfo_t *obj, snd_timer_id_t *tid)
+{
+ obj->tid = *((snd_timer_id_t *)tid);
+ return 0;
+}
+
+/**
+ * \brief get timer identification
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return pointer to snd_timer_id_t
+ */
+snd_timer_id_t *snd_timer_ginfo_get_tid(snd_timer_ginfo_t *obj)
+{
+ return (snd_timer_id_t *)&obj->tid;
+}
+
+/**
+ * \brief get timer flags
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return timer flags
+ */
+unsigned int snd_timer_ginfo_get_flags(snd_timer_ginfo_t *obj)
+{
+ return obj->flags;
+}
+
+/**
+ * \brief get associated card with timer
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return associated card
+ */
+int snd_timer_ginfo_get_card(snd_timer_ginfo_t *obj)
+{
+ return obj->card;
+}
+
+/**
+ * \brief get timer identification
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return timer identification
+ */
+char *snd_timer_ginfo_get_id(snd_timer_ginfo_t *obj)
+{
+ return (char *)obj->id;
+}
+
+/**
+ * \brief get timer name
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return timer name
+ */
+char *snd_timer_ginfo_get_name(snd_timer_ginfo_t *obj)
+{
+ return (char *)obj->name;
+}
+
+/**
+ * \brief get timer resolution in ns
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return timer resolution in ns
+ */
+unsigned long snd_timer_ginfo_get_resolution(snd_timer_ginfo_t *obj)
+{
+ return obj->resolution;
+}
+
+/**
+ * \brief get timer minimal resolution in ns
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return timer minimal resolution in ns
+ */
+unsigned long snd_timer_ginfo_get_resolution_min(snd_timer_ginfo_t *obj)
+{
+ return obj->resolution_min;
+}
+
+/**
+ * \brief get timer maximal resolution in ns
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return timer maximal resolution in ns
+ */
+unsigned long snd_timer_ginfo_get_resolution_max(snd_timer_ginfo_t *obj)
+{
+ return obj->resolution_max;
+}
+
+/**
+ * \brief get current timer clients
+ * \param obj pointer to #snd_timer_ginfo_t structure
+ * \return current timer clients
+ */
+unsigned int snd_timer_ginfo_get_clients(snd_timer_ginfo_t *obj)
+{
+ return obj->clients;
+}
+
+/**
+ * \brief obtain the timer global information
+ * \param timer timer handle
+ * \param info timer information
+ * \return 0 on success otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_timer_query_info)(snd_timer_query_t *timer, snd_timer_ginfo_t *info)
+#else
+int snd_timer_query_info(snd_timer_query_t *timer, snd_timer_ginfo_t *info)
+#endif
+{
+ assert(timer);
+ assert(info);
+ return timer->ops->info(timer, info);
+}
+use_default_symbol_version(__snd_timer_query_info, snd_timer_query_info, ALSA_0.9.0);
+
+/**
+ * \brief set the timer global parameters
+ * \param timer timer handle
+ * \param params timer parameters
+ * \return 0 on success otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_timer_query_params)(snd_timer_query_t *timer, snd_timer_gparams_t *params)
+#else
+int snd_timer_query_params(snd_timer_query_t *timer, snd_timer_gparams_t *params)
+#endif
+{
+ assert(timer);
+ assert(params);
+ return timer->ops->params(timer, params);
+}
+use_default_symbol_version(__snd_timer_query_params, snd_timer_query_params, ALSA_0.9.0);
+
+/**
+ * \brief get the timer global status
+ * \param timer timer handle
+ * \param status timer status
+ * \return 0 on success otherwise a negative error code
+ */
+#ifndef DOXYGEN
+int INTERNAL(snd_timer_query_status)(snd_timer_query_t *timer, snd_timer_gstatus_t *status)
+#else
+int snd_timer_query_status(snd_timer_query_t *timer, snd_timer_gstatus_t *status)
+#endif
+{
+ assert(timer);
+ assert(status);
+ return timer->ops->status(timer, status);
+}
+use_default_symbol_version(__snd_timer_query_status, snd_timer_query_status, ALSA_0.9.0);
+
+/**
+ * \brief get size of the snd_timer_id_t structure in bytes
+ * \return size of the snd_timer_id_t structure in bytes
+ */
+size_t snd_timer_id_sizeof()
+{
+ return sizeof(snd_timer_id_t);
+}
+
+/**
+ * \brief allocate a new snd_timer_id_t structure
+ * \param info returned pointer
+ * \return 0 on success otherwise a negative error code if fails
+ *
+ * Allocates a new snd_timer_id_t structure using the standard
+ * malloc C library function.
+ */
+int snd_timer_id_malloc(snd_timer_id_t **info)
+{
+ assert(info);
+ *info = calloc(1, sizeof(snd_timer_id_t));
+ if (!*info)
+ return -ENOMEM;
+ return 0;
+}
+
+/**
+ * \brief frees the snd_timer_id_t structure
+ * \param info pointer to the snd_timer_id_t structure to free
+ *
+ * Frees the given snd_timer_id_t structure using the standard
+ * free C library function.
+ */
+void snd_timer_id_free(snd_timer_id_t *info)
+{
+ assert(info);
+ free(info);
+}
+
+/**
+ * \brief copy one snd_timer_id_t structure to another
+ * \param dst destination snd_timer_id_t structure
+ * \param src source snd_timer_id_t structure
+ */
+void snd_timer_id_copy(snd_timer_id_t *dst, const snd_timer_id_t *src)
+{
+ assert(dst && src);
+ *dst = *src;
+}
+
+/**
+ * \brief set timer class
+ * \param tid pointer to #snd_timer_id_t structure
+ * \param dev_class class of timer device
+ */
+void snd_timer_id_set_class(snd_timer_id_t * tid, int dev_class)
+{
+ assert(tid);
+ tid->dev_class = dev_class;
+}
+
+/**
+ * \brief get timer class
+ * \param tid pointer to #snd_timer_id_t structure
+ * \return timer class
+ */
+int snd_timer_id_get_class(snd_timer_id_t * tid)
+{
+ assert(tid);
+ return tid->dev_class;
+}
+
+/**
+ * \brief set timer sub-class
+ * \param tid pointer to #snd_timer_id_t structure
+ * \param dev_sclass sub-class of timer device
+ */
+void snd_timer_id_set_sclass(snd_timer_id_t * tid, int dev_sclass)
+{
+ assert(tid);
+ tid->dev_sclass = dev_sclass;
+}
+
+/**
+ * \brief get timer sub-class
+ * \param tid pointer to #snd_timer_id_t structure
+ * \return timer sub-class
+ */
+int snd_timer_id_get_sclass(snd_timer_id_t * tid)
+{
+ assert(tid);
+ return tid->dev_sclass;
+}
+
+/**
+ * \brief set timer card
+ * \param tid pointer to #snd_timer_id_t structure
+ * \param card card number
+ */
+void snd_timer_id_set_card(snd_timer_id_t * tid, int card)
+{
+ assert(tid);
+ tid->card = card;
+}
+
+/**
+ * \brief get timer card
+ * \param tid pointer to #snd_timer_id_t structure
+ * \return timer card number
+ */
+int snd_timer_id_get_card(snd_timer_id_t * tid)
+{
+ assert(tid);
+ return tid->card;
+}
+
+/**
+ * \brief set timer device
+ * \param tid pointer to #snd_timer_id_t structure
+ * \param device device number
+ */
+void snd_timer_id_set_device(snd_timer_id_t * tid, int device)
+{
+ assert(tid);
+ tid->device = device;
+}
+
+/**
+ * \brief get timer device
+ * \param tid pointer to #snd_timer_id_t structure
+ * \return timer device number
+ */
+int snd_timer_id_get_device(snd_timer_id_t * tid)
+{
+ assert(tid);
+ return tid->device;
+}
+
+/**
+ * \brief set timer subdevice
+ * \param tid pointer to #snd_timer_id_t structure
+ * \param subdevice subdevice number
+ */
+void snd_timer_id_set_subdevice(snd_timer_id_t * tid, int subdevice)
+{
+ assert(tid);
+ tid->subdevice = subdevice;
+}
+
+/**
+ * \brief get timer subdevice
+ * \param tid pointer to #snd_timer_id_t structure
+ * \return timer subdevice number
+ */
+int snd_timer_id_get_subdevice(snd_timer_id_t * tid)
+{
+ assert(tid);
+ return tid->subdevice;
+}
diff --git a/src/timer/timer_query_hw.c b/src/timer/timer_query_hw.c
new file mode 100644
index 0000000..9f62b78
--- /dev/null
+++ b/src/timer/timer_query_hw.c
@@ -0,0 +1,146 @@
+/*
+ * Timer Interface - main file
+ * Copyright (c) 1998-2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "timer_local.h"
+
+#ifndef PIC
+/* entry for static linking */
+const char *_snd_module_timer_query_hw = "";
+#endif
+
+#define SNDRV_FILE_TIMER ALSA_DEVICE_DIRECTORY "timer"
+#define SNDRV_TIMER_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 0)
+
+static int snd_timer_query_hw_close(snd_timer_query_t *handle)
+{
+ int res;
+
+ if (!handle)
+ return -EINVAL;
+ res = close(handle->poll_fd) < 0 ? -errno : 0;
+ return res;
+}
+
+static int snd_timer_query_hw_next_device(snd_timer_query_t *handle, snd_timer_id_t * tid)
+{
+ if (!handle || !tid)
+ return -EINVAL;
+ if (ioctl(handle->poll_fd, SNDRV_TIMER_IOCTL_NEXT_DEVICE, tid) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_query_hw_info(snd_timer_query_t *handle, snd_timer_ginfo_t *info)
+{
+ if (!handle || !info)
+ return -EINVAL;
+ if (ioctl(handle->poll_fd, SNDRV_TIMER_IOCTL_GINFO, info) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_query_hw_params(snd_timer_query_t *handle, snd_timer_gparams_t *params)
+{
+ if (!handle || !params)
+ return -EINVAL;
+ if (ioctl(handle->poll_fd, SNDRV_TIMER_IOCTL_GPARAMS, params) < 0)
+ return -errno;
+ return 0;
+}
+
+static int snd_timer_query_hw_status(snd_timer_query_t *handle, snd_timer_gstatus_t *status)
+{
+ if (!handle || !status)
+ return -EINVAL;
+ if (ioctl(handle->poll_fd, SNDRV_TIMER_IOCTL_GSTATUS, status) < 0)
+ return -errno;
+ return 0;
+}
+
+static const snd_timer_query_ops_t snd_timer_query_hw_ops = {
+ .close = snd_timer_query_hw_close,
+ .next_device = snd_timer_query_hw_next_device,
+ .info = snd_timer_query_hw_info,
+ .params = snd_timer_query_hw_params,
+ .status = snd_timer_query_hw_status
+};
+
+int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mode)
+{
+ int fd, ver, tmode;
+ snd_timer_query_t *tmr;
+
+ *handle = NULL;
+
+ tmode = O_RDONLY;
+ if (mode & SND_TIMER_OPEN_NONBLOCK)
+ tmode |= O_NONBLOCK;
+ fd = snd_open_device(SNDRV_FILE_TIMER, tmode);
+ if (fd < 0)
+ return -errno;
+ if (ioctl(fd, SNDRV_TIMER_IOCTL_PVERSION, &ver) < 0) {
+ close(fd);
+ return -errno;
+ }
+ if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_TIMER_VERSION_MAX)) {
+ close(fd);
+ return -SND_ERROR_INCOMPATIBLE_VERSION;
+ }
+ tmr = (snd_timer_query_t *) calloc(1, sizeof(snd_timer_t));
+ if (tmr == NULL) {
+ close(fd);
+ return -ENOMEM;
+ }
+ tmr->type = SND_TIMER_TYPE_HW;
+ tmr->mode = tmode;
+ tmr->name = strdup(name);
+ tmr->poll_fd = fd;
+ tmr->ops = &snd_timer_query_hw_ops;
+ *handle = tmr;
+ return 0;
+}
+
+int _snd_timer_query_hw_open(snd_timer_query_t **timer, char *name,
+ snd_config_t *root ATTRIBUTE_UNUSED,
+ snd_config_t *conf, int mode)
+{
+ snd_config_iterator_t i, next;
+ snd_config_for_each(i, next, conf) {
+ snd_config_t *n = snd_config_iterator_entry(i);
+ const char *id;
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+ if (strcmp(id, "comment") == 0)
+ continue;
+ if (strcmp(id, "type") == 0)
+ continue;
+ SNDERR("Unexpected field %s", id);
+ return -EINVAL;
+ }
+ return snd_timer_query_hw_open(timer, name, mode);
+}
+SND_DLSYM_BUILD_VERSION(_snd_timer_query_hw_open, SND_TIMER_QUERY_DLSYM_VERSION);
diff --git a/src/timer/timer_symbols.c b/src/timer/timer_symbols.c
new file mode 100644
index 0000000..797721e
--- /dev/null
+++ b/src/timer/timer_symbols.c
@@ -0,0 +1,46 @@
+/*
+ * Timer Symbols
+ * Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef PIC
+
+extern const char *_snd_module_timer_hw;
+
+static const char **snd_timer_open_objects[] = {
+ &_snd_module_timer_hw
+};
+
+void *snd_timer_open_symbols(void)
+{
+ return (void *)snd_timer_open_objects[0];
+}
+
+
+extern const char *_snd_module_timer_query_hw;
+
+static const char **snd_timer_query_open_objects[] = {
+ &_snd_module_timer_query_hw
+};
+
+void *snd_timer_query_open_symbols(void)
+{
+ return snd_timer_query_open_objects;
+}
+
+#endif /* !PIC */
diff --git a/src/ucm/Makefile.am b/src/ucm/Makefile.am
new file mode 100644
index 0000000..9d66b24
--- /dev/null
+++ b/src/ucm/Makefile.am
@@ -0,0 +1,10 @@
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+
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+
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+
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+
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new file mode 100644
index 0000000..ba65aa5
--- /dev/null
+++ b/src/ucm/Makefile.in
@@ -0,0 +1,543 @@
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+# with or without modifications, as long as this notice is preserved.
+
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+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool cscopelist ctags distclean distclean-compile \
+ distclean-generic distclean-libtool distclean-tags distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
+ install-exec install-exec-am install-html install-html-am \
+ install-info install-info-am install-man install-pdf \
+ install-pdf-am install-ps install-ps-am install-strip \
+ installcheck installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am
+
+
+all: libucm.la
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/ucm/main.c b/src/ucm/main.c
new file mode 100644
index 0000000..7e44603
--- /dev/null
+++ b/src/ucm/main.c
@@ -0,0 +1,1737 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Support for the verb/device/modifier core logic and API,
+ * command line tool and file parser was kindly sponsored by
+ * Texas Instruments Inc.
+ * Support for multiple active modifiers and devices,
+ * transition sequences, multiple client access and user defined use
+ * cases was kindly sponsored by Wolfson Microelectronics PLC.
+ *
+ * Copyright (C) 2008-2010 SlimLogic Ltd
+ * Copyright (C) 2010 Wolfson Microelectronics PLC
+ * Copyright (C) 2010 Texas Instruments Inc.
+ * Copyright (C) 2010 Red Hat Inc.
+ * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
+ * Stefan Schmidt <stefan@slimlogic.co.uk>
+ * Justin Xu <justinx@slimlogic.co.uk>
+ * Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include "ucm_local.h"
+#include <ctype.h>
+#include <stdarg.h>
+#include <pthread.h>
+#include <sys/stat.h>
+
+/*
+ * misc
+ */
+
+static int get_value1(char **value, struct list_head *value_list,
+ const char *identifier);
+static int get_value3(char **value,
+ const char *identifier,
+ struct list_head *value_list1,
+ struct list_head *value_list2,
+ struct list_head *value_list3);
+
+static int check_identifier(const char *identifier, const char *prefix)
+{
+ int len;
+
+ if (strcmp(identifier, prefix) == 0)
+ return 1;
+ len = strlen(prefix);
+ if (memcmp(identifier, prefix, len) == 0 && identifier[len] == '/')
+ return 1;
+ return 0;
+}
+
+static int list_count(struct list_head *list)
+{
+ struct list_head *pos;
+ int count = 0;
+
+ list_for_each(pos, list) {
+ count += 1;
+ }
+ return count;
+}
+
+static int alloc_str_list(struct list_head *list, int mult, char **result[])
+{
+ char **res;
+ int cnt;
+
+ cnt = list_count(list) * mult;
+ if (cnt == 0) {
+ *result = NULL;
+ return cnt;
+ }
+ res = calloc(mult, cnt * sizeof(char *));
+ if (res == NULL)
+ return -ENOMEM;
+ *result = res;
+ return cnt;
+}
+
+/**
+ * \brief Create an identifier
+ * \param fmt Format (sprintf like)
+ * \param ... Optional arguments for sprintf like format
+ * \return Allocated string identifier or NULL on error
+ */
+char *snd_use_case_identifier(const char *fmt, ...)
+{
+ char *str, *res;
+ int size = strlen(fmt) + 512;
+ va_list args;
+
+ str = malloc(size);
+ if (str == NULL)
+ return NULL;
+ va_start(args, fmt);
+ vsnprintf(str, size, fmt, args);
+ va_end(args);
+ str[size-1] = '\0';
+ res = realloc(str, strlen(str) + 1);
+ if (res)
+ return res;
+ return str;
+}
+
+/**
+ * \brief Free a string list
+ * \param list The string list to free
+ * \param items Count of strings
+ * \return Zero if success, otherwise a negative error code
+ */
+int snd_use_case_free_list(const char *list[], int items)
+{
+ int i;
+ if (list == NULL)
+ return 0;
+ for (i = 0; i < items; i++)
+ free((void *)list[i]);
+ free(list);
+ return 0;
+}
+
+static int open_ctl(snd_use_case_mgr_t *uc_mgr,
+ snd_ctl_t **ctl,
+ const char *ctl_dev)
+{
+ int err;
+
+ /* FIXME: add a list of ctl devices to uc_mgr structure and
+ cache accesses for multiple opened ctl devices */
+ if (uc_mgr->ctl_dev != NULL && strcmp(ctl_dev, uc_mgr->ctl_dev) == 0) {
+ *ctl = uc_mgr->ctl;
+ return 0;
+ }
+ if (uc_mgr->ctl_dev) {
+ free(uc_mgr->ctl_dev);
+ uc_mgr->ctl_dev = NULL;
+ snd_ctl_close(uc_mgr->ctl);
+ uc_mgr->ctl = NULL;
+
+ }
+ err = snd_ctl_open(ctl, ctl_dev, 0);
+ if (err < 0)
+ return err;
+ uc_mgr->ctl_dev = strdup(ctl_dev);
+ if (uc_mgr->ctl_dev == NULL) {
+ snd_ctl_close(*ctl);
+ return -ENOMEM;
+ }
+ uc_mgr->ctl = *ctl;
+ return 0;
+}
+
+static int binary_file_parse(snd_ctl_elem_value_t *dst,
+ snd_ctl_elem_info_t *info,
+ const char *filepath)
+{
+ int err = 0;
+ int fd;
+ struct stat st;
+ size_t sz;
+ ssize_t sz_read;
+ char *res;
+ snd_ctl_elem_type_t type;
+ unsigned int idx, count;
+
+ type = snd_ctl_elem_info_get_type(info);
+ if (type != SND_CTL_ELEM_TYPE_BYTES) {
+ uc_error("only support byte type!");
+ err = -EINVAL;
+ return err;
+ }
+ fd = open(filepath, O_RDONLY);
+ if (fd < 0) {
+ err = -errno;
+ return err;
+ }
+ if (stat(filepath, &st) == -1) {
+ err = -errno;
+ goto __fail;
+ }
+ sz = st.st_size;
+ count = snd_ctl_elem_info_get_count(info);
+ if (sz != count || sz > sizeof(dst->value.bytes)) {
+ uc_error("invalid parameter size %d!", sz);
+ err = -EINVAL;
+ goto __fail;
+ }
+ res = malloc(sz);
+ if (res == NULL) {
+ err = -ENOMEM;
+ goto __fail;
+ }
+ sz_read = read(fd, res, sz);
+ if (sz_read < 0 || (size_t)sz_read != sz) {
+ err = -errno;
+ goto __fail_read;
+ }
+ for (idx = 0; idx < sz; idx++)
+ snd_ctl_elem_value_set_byte(dst, idx, *(res + idx));
+ __fail_read:
+ free(res);
+ __fail:
+ close(fd);
+ return err;
+}
+
+extern int __snd_ctl_ascii_elem_id_parse(snd_ctl_elem_id_t *dst,
+ const char *str,
+ const char **ret_ptr);
+
+static int execute_cset(snd_ctl_t *ctl, const char *cset, unsigned int type)
+{
+ const char *pos;
+ int err;
+ snd_ctl_elem_id_t *id;
+ snd_ctl_elem_value_t *value;
+ snd_ctl_elem_info_t *info;
+
+ snd_ctl_elem_id_malloc(&id);
+ snd_ctl_elem_value_malloc(&value);
+ snd_ctl_elem_info_malloc(&info);
+
+ err = __snd_ctl_ascii_elem_id_parse(id, cset, &pos);
+ if (err < 0)
+ goto __fail;
+ while (*pos && isspace(*pos))
+ pos++;
+ if (!*pos) {
+ uc_error("undefined value for cset >%s<", cset);
+ err = -EINVAL;
+ goto __fail;
+ }
+ snd_ctl_elem_value_set_id(value, id);
+ snd_ctl_elem_info_set_id(info, id);
+ err = snd_ctl_elem_read(ctl, value);
+ if (err < 0)
+ goto __fail;
+ err = snd_ctl_elem_info(ctl, info);
+ if (err < 0)
+ goto __fail;
+ if (type == SEQUENCE_ELEMENT_TYPE_CSET_BIN_FILE)
+ err = binary_file_parse(value, info, pos);
+ else
+ err = snd_ctl_ascii_value_parse(ctl, value, info, pos);
+ if (err < 0)
+ goto __fail;
+ err = snd_ctl_elem_write(ctl, value);
+ if (err < 0)
+ goto __fail;
+ err = 0;
+ __fail:
+ if (id != NULL)
+ free(id);
+ if (value != NULL)
+ free(value);
+ if (info != NULL)
+ free(info);
+
+ return err;
+}
+
+/**
+ * \brief Execute the sequence
+ * \param uc_mgr Use case manager
+ * \param seq Sequence
+ * \return zero on success, otherwise a negative error code
+ */
+static int execute_sequence(snd_use_case_mgr_t *uc_mgr,
+ struct list_head *seq,
+ struct list_head *value_list1,
+ struct list_head *value_list2,
+ struct list_head *value_list3)
+{
+ struct list_head *pos;
+ struct sequence_element *s;
+ char *cdev = NULL;
+ snd_ctl_t *ctl = NULL;
+ int err = 0;
+
+ list_for_each(pos, seq) {
+ s = list_entry(pos, struct sequence_element, list);
+ switch (s->type) {
+ case SEQUENCE_ELEMENT_TYPE_CDEV:
+ cdev = strdup(s->data.cdev);
+ if (cdev == NULL)
+ goto __fail_nomem;
+ break;
+ case SEQUENCE_ELEMENT_TYPE_CSET:
+ case SEQUENCE_ELEMENT_TYPE_CSET_BIN_FILE:
+ if (cdev == NULL) {
+ char *playback_ctl = NULL;
+ char *capture_ctl = NULL;
+
+ err = get_value3(&playback_ctl, "PlaybackCTL",
+ value_list1,
+ value_list2,
+ value_list3);
+ if (err < 0 && err != -ENOENT) {
+ uc_error("cdev is not defined!");
+ return err;
+ }
+ err = get_value3(&capture_ctl, "CaptureCTL",
+ value_list1,
+ value_list2,
+ value_list3);
+ if (err < 0 && err != -ENOENT) {
+ free(playback_ctl);
+ uc_error("cdev is not defined!");
+ return err;
+ }
+ if (playback_ctl == NULL &&
+ capture_ctl == NULL) {
+ uc_error("cdev is not defined!");
+ return -EINVAL;
+ }
+ if (playback_ctl != NULL &&
+ capture_ctl != NULL &&
+ strcmp(playback_ctl, capture_ctl) != 0) {
+ free(playback_ctl);
+ free(capture_ctl);
+ uc_error("cdev is not defined!");
+ return -EINVAL;
+ }
+ if (playback_ctl != NULL) {
+ cdev = playback_ctl;
+ free(capture_ctl);
+ } else
+ cdev = capture_ctl;
+ }
+ if (ctl == NULL) {
+ err = open_ctl(uc_mgr, &ctl, cdev);
+ if (err < 0) {
+ uc_error("unable to open ctl device '%s'", cdev);
+ goto __fail;
+ }
+ }
+ err = execute_cset(ctl, s->data.cset, s->type);
+ if (err < 0) {
+ uc_error("unable to execute cset '%s'\n", s->data.cset);
+ goto __fail;
+ }
+ break;
+ case SEQUENCE_ELEMENT_TYPE_SLEEP:
+ usleep(s->data.sleep);
+ break;
+ case SEQUENCE_ELEMENT_TYPE_EXEC:
+ err = system(s->data.exec);
+ if (err < 0)
+ goto __fail;
+ break;
+ default:
+ uc_error("unknown sequence command %i", s->type);
+ break;
+ }
+ }
+ free(cdev);
+ return 0;
+ __fail_nomem:
+ err = -ENOMEM;
+ __fail:
+ free(cdev);
+ return err;
+
+}
+
+/**
+ * \brief Import master config and execute the default sequence
+ * \param uc_mgr Use case manager
+ * \return zero on success, otherwise a negative error code
+ */
+static int import_master_config(snd_use_case_mgr_t *uc_mgr)
+{
+ int err;
+
+ err = uc_mgr_import_master_config(uc_mgr);
+ if (err < 0)
+ return err;
+ err = execute_sequence(uc_mgr, &uc_mgr->default_list,
+ &uc_mgr->value_list, NULL, NULL);
+ if (err < 0)
+ uc_error("Unable to execute default sequence");
+ return err;
+}
+
+/**
+ * \brief Universal find - string in a list
+ * \param list List of structures
+ * \param offset Offset of list structure
+ * \param soffset Offset of string structure
+ * \param match String to match
+ * \return structure on success, otherwise a NULL (not found)
+ */
+static void *find0(struct list_head *list,
+ unsigned long offset,
+ unsigned long soffset,
+ const char *match)
+{
+ struct list_head *pos;
+ char *ptr, *str;
+
+ list_for_each(pos, list) {
+ ptr = list_entry_offset(pos, char, offset);
+ str = *((char **)(ptr + soffset));
+ if (strcmp(str, match) == 0)
+ return ptr;
+ }
+ return NULL;
+}
+
+#define find(list, type, member, value, match) \
+ find0(list, (unsigned long)(&((type *)0)->member), \
+ (unsigned long)(&((type *)0)->value), match)
+
+/**
+ * \brief Universal string list
+ * \param list List of structures
+ * \param result Result list
+ * \param offset Offset of list structure
+ * \param s1offset Offset of string structure
+ * \return count of items on success, otherwise a negative error code
+ */
+static int get_list0(struct list_head *list,
+ const char **result[],
+ unsigned long offset,
+ unsigned long s1offset)
+{
+ char **res;
+ int cnt;
+ struct list_head *pos;
+ char *ptr, *str1;
+
+ cnt = alloc_str_list(list, 1, &res);
+ if (cnt <= 0) {
+ *result = NULL;
+ return cnt;
+ }
+ *result = (const char **)res;
+ list_for_each(pos, list) {
+ ptr = list_entry_offset(pos, char, offset);
+ str1 = *((char **)(ptr + s1offset));
+ if (str1 != NULL) {
+ *res = strdup(str1);
+ if (*res == NULL)
+ goto __fail;
+ } else {
+ *res = NULL;
+ }
+ res++;
+ }
+ return cnt;
+ __fail:
+ snd_use_case_free_list((const char **)res, cnt);
+ return -ENOMEM;
+}
+
+#define get_list(list, result, type, member, s1) \
+ get_list0(list, result, \
+ (unsigned long)(&((type *)0)->member), \
+ (unsigned long)(&((type *)0)->s1))
+
+/**
+ * \brief Universal string list - pair of strings
+ * \param list List of structures
+ * \param result Result list
+ * \param offset Offset of list structure
+ * \param s1offset Offset of string structure
+ * \param s1offset Offset of string structure
+ * \return count of items on success, otherwise a negative error code
+ */
+static int get_list20(struct list_head *list,
+ const char **result[],
+ unsigned long offset,
+ unsigned long s1offset,
+ unsigned long s2offset)
+{
+ char **res;
+ int cnt;
+ struct list_head *pos;
+ char *ptr, *str1, *str2;
+
+ cnt = alloc_str_list(list, 2, &res);
+ if (cnt <= 0) {
+ *result = NULL;
+ return cnt;
+ }
+ *result = (const char **)res;
+ list_for_each(pos, list) {
+ ptr = list_entry_offset(pos, char, offset);
+ str1 = *((char **)(ptr + s1offset));
+ if (str1 != NULL) {
+ *res = strdup(str1);
+ if (*res == NULL)
+ goto __fail;
+ } else {
+ *res = NULL;
+ }
+ res++;
+ str2 = *((char **)(ptr + s2offset));
+ if (str2 != NULL) {
+ *res = strdup(str2);
+ if (*res == NULL)
+ goto __fail;
+ } else {
+ *res = NULL;
+ }
+ res++;
+ }
+ return cnt;
+ __fail:
+ snd_use_case_free_list((const char **)res, cnt);
+ return -ENOMEM;
+}
+
+#define get_list2(list, result, type, member, s1, s2) \
+ get_list20(list, result, \
+ (unsigned long)(&((type *)0)->member), \
+ (unsigned long)(&((type *)0)->s1), \
+ (unsigned long)(&((type *)0)->s2))
+
+/**
+ * \brief Find verb
+ * \param uc_mgr Use case manager
+ * \param verb_name verb to find
+ * \return structure on success, otherwise a NULL (not found)
+ */
+static inline struct use_case_verb *find_verb(snd_use_case_mgr_t *uc_mgr,
+ const char *verb_name)
+{
+ return find(&uc_mgr->verb_list,
+ struct use_case_verb, list, name,
+ verb_name);
+}
+
+static int is_devlist_supported(snd_use_case_mgr_t *uc_mgr,
+ struct dev_list *dev_list)
+{
+ struct dev_list_node *device;
+ struct use_case_device *adev;
+ struct list_head *pos, *pos1;
+ int found_ret;
+
+ switch (dev_list->type) {
+ case DEVLIST_NONE:
+ default:
+ return 1;
+ case DEVLIST_SUPPORTED:
+ found_ret = 1;
+ break;
+ case DEVLIST_CONFLICTING:
+ found_ret = 0;
+ break;
+ }
+
+ list_for_each(pos, &dev_list->list) {
+ device = list_entry(pos, struct dev_list_node, list);
+
+ list_for_each(pos1, &uc_mgr->active_devices) {
+ adev = list_entry(pos1, struct use_case_device,
+ active_list);
+ if (!strcmp(device->name, adev->name))
+ return found_ret;
+ }
+ }
+ return 1 - found_ret;
+}
+
+static inline int is_modifier_supported(snd_use_case_mgr_t *uc_mgr,
+ struct use_case_modifier *modifier)
+{
+ return is_devlist_supported(uc_mgr, &modifier->dev_list);
+}
+
+static inline int is_device_supported(snd_use_case_mgr_t *uc_mgr,
+ struct use_case_device *device)
+{
+ return is_devlist_supported(uc_mgr, &device->dev_list);
+}
+
+/**
+ * \brief Find device
+ * \param verb Use case verb
+ * \param device_name device to find
+ * \return structure on success, otherwise a NULL (not found)
+ */
+static inline struct use_case_device *
+ find_device(snd_use_case_mgr_t *uc_mgr, struct use_case_verb *verb,
+ const char *device_name, int check_supported)
+{
+ struct use_case_device *device;
+ struct list_head *pos;
+
+ list_for_each(pos, &verb->device_list) {
+ device = list_entry(pos, struct use_case_device, list);
+
+ if (strcmp(device_name, device->name))
+ continue;
+
+ if (check_supported &&
+ !is_device_supported(uc_mgr, device))
+ continue;
+
+ return device;
+ }
+ return NULL;
+}
+
+/**
+ * \brief Find modifier
+ * \param verb Use case verb
+ * \param modifier_name modifier to find
+ * \return structure on success, otherwise a NULL (not found)
+ */
+static struct use_case_modifier *
+ find_modifier(snd_use_case_mgr_t *uc_mgr, struct use_case_verb *verb,
+ const char *modifier_name, int check_supported)
+{
+ struct use_case_modifier *modifier;
+ struct list_head *pos;
+
+ list_for_each(pos, &verb->modifier_list) {
+ modifier = list_entry(pos, struct use_case_modifier, list);
+
+ if (strcmp(modifier->name, modifier_name))
+ continue;
+
+ if (check_supported &&
+ !is_modifier_supported(uc_mgr, modifier))
+ continue;
+
+ return modifier;
+ }
+ return NULL;
+}
+
+long device_status(snd_use_case_mgr_t *uc_mgr,
+ const char *device_name)
+{
+ struct use_case_device *dev;
+ struct list_head *pos;
+
+ list_for_each(pos, &uc_mgr->active_devices) {
+ dev = list_entry(pos, struct use_case_device, active_list);
+ if (strcmp(dev->name, device_name) == 0)
+ return 1;
+ }
+ return 0;
+}
+
+long modifier_status(snd_use_case_mgr_t *uc_mgr,
+ const char *modifier_name)
+{
+ struct use_case_modifier *mod;
+ struct list_head *pos;
+
+ list_for_each(pos, &uc_mgr->active_modifiers) {
+ mod = list_entry(pos, struct use_case_modifier, active_list);
+ if (strcmp(mod->name, modifier_name) == 0)
+ return 1;
+ }
+ return 0;
+}
+
+/**
+ * \brief Set verb
+ * \param uc_mgr Use case manager
+ * \param verb verb to set
+ * \param enable nonzero = enable, zero = disable
+ * \return zero on success, otherwise a negative error code
+ */
+static int set_verb(snd_use_case_mgr_t *uc_mgr,
+ struct use_case_verb *verb,
+ int enable)
+{
+ struct list_head *seq;
+ int err;
+
+ if (enable) {
+ seq = &verb->enable_list;
+ } else {
+ seq = &verb->disable_list;
+ }
+ err = execute_sequence(uc_mgr, seq,
+ &verb->value_list,
+ &uc_mgr->value_list,
+ NULL);
+ if (enable && err >= 0)
+ uc_mgr->active_verb = verb;
+ return err;
+}
+
+/**
+ * \brief Set modifier
+ * \param uc_mgr Use case manager
+ * \param modifier modifier to set
+ * \param enable nonzero = enable, zero = disable
+ * \return zero on success, otherwise a negative error code
+ */
+static int set_modifier(snd_use_case_mgr_t *uc_mgr,
+ struct use_case_modifier *modifier,
+ int enable)
+{
+ struct list_head *seq;
+ int err;
+
+ if (modifier_status(uc_mgr, modifier->name) == enable)
+ return 0;
+
+ if (enable) {
+ seq = &modifier->enable_list;
+ } else {
+ seq = &modifier->disable_list;
+ }
+ err = execute_sequence(uc_mgr, seq,
+ &modifier->value_list,
+ &uc_mgr->active_verb->value_list,
+ &uc_mgr->value_list);
+ if (enable && err >= 0) {
+ list_add_tail(&modifier->active_list, &uc_mgr->active_modifiers);
+ } else if (!enable) {
+ list_del(&modifier->active_list);
+ }
+ return err;
+}
+
+/**
+ * \brief Set device
+ * \param uc_mgr Use case manager
+ * \param device device to set
+ * \param enable nonzero = enable, zero = disable
+ * \return zero on success, otherwise a negative error code
+ */
+static int set_device(snd_use_case_mgr_t *uc_mgr,
+ struct use_case_device *device,
+ int enable)
+{
+ struct list_head *seq;
+ int err;
+
+ if (device_status(uc_mgr, device->name) == enable)
+ return 0;
+
+ if (enable) {
+ seq = &device->enable_list;
+ } else {
+ seq = &device->disable_list;
+ }
+ err = execute_sequence(uc_mgr, seq,
+ &device->value_list,
+ &uc_mgr->active_verb->value_list,
+ &uc_mgr->value_list);
+ if (enable && err >= 0) {
+ list_add_tail(&device->active_list, &uc_mgr->active_devices);
+ } else if (!enable) {
+ list_del(&device->active_list);
+ }
+ return err;
+}
+
+/**
+ * \brief Init sound card use case manager.
+ * \param uc_mgr Returned use case manager pointer
+ * \param card_name name of card to open
+ * \return zero on success, otherwise a negative error code
+ */
+int snd_use_case_mgr_open(snd_use_case_mgr_t **uc_mgr,
+ const char *card_name)
+{
+ snd_use_case_mgr_t *mgr;
+ int err;
+
+ /* create a new UCM */
+ mgr = calloc(1, sizeof(snd_use_case_mgr_t));
+ if (mgr == NULL)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&mgr->verb_list);
+ INIT_LIST_HEAD(&mgr->default_list);
+ INIT_LIST_HEAD(&mgr->value_list);
+ INIT_LIST_HEAD(&mgr->active_modifiers);
+ INIT_LIST_HEAD(&mgr->active_devices);
+ pthread_mutex_init(&mgr->mutex, NULL);
+
+ mgr->card_name = strdup(card_name);
+ if (mgr->card_name == NULL) {
+ free(mgr);
+ return -ENOMEM;
+ }
+
+ /* get info on use_cases and verify against card */
+ err = import_master_config(mgr);
+ if (err < 0) {
+ uc_error("error: failed to import %s use case configuration %d",
+ card_name, err);
+ goto err;
+ }
+
+ *uc_mgr = mgr;
+ return 0;
+
+err:
+ uc_mgr_free(mgr);
+ return err;
+}
+
+/**
+ * \brief Reload and reparse all use case files.
+ * \param uc_mgr Use case manager
+ * \return zero on success, otherwise a negative error code
+ */
+int snd_use_case_mgr_reload(snd_use_case_mgr_t *uc_mgr)
+{
+ int err;
+
+ pthread_mutex_lock(&uc_mgr->mutex);
+
+ uc_mgr_free_verb(uc_mgr);
+
+ /* reload all use cases */
+ err = import_master_config(uc_mgr);
+ if (err < 0) {
+ uc_error("error: failed to reload use cases\n");
+ pthread_mutex_unlock(&uc_mgr->mutex);
+ return -EINVAL;
+ }
+
+ pthread_mutex_unlock(&uc_mgr->mutex);
+ return err;
+}
+
+/**
+ * \brief Close use case manager.
+ * \param uc_mgr Use case manager
+ * \return zero on success, otherwise a negative error code
+ */
+int snd_use_case_mgr_close(snd_use_case_mgr_t *uc_mgr)
+{
+ uc_mgr_free(uc_mgr);
+
+ return 0;
+}
+
+/*
+ * Tear down current use case verb, device and modifier.
+ */
+static int dismantle_use_case(snd_use_case_mgr_t *uc_mgr)
+{
+ struct list_head *pos, *npos;
+ struct use_case_modifier *modifier;
+ struct use_case_device *device;
+ int err;
+
+ list_for_each_safe(pos, npos, &uc_mgr->active_modifiers) {
+ modifier = list_entry(pos, struct use_case_modifier,
+ active_list);
+ err = set_modifier(uc_mgr, modifier, 0);
+ if (err < 0)
+ uc_error("Unable to disable modifier %s", modifier->name);
+ }
+ INIT_LIST_HEAD(&uc_mgr->active_modifiers);
+
+ list_for_each_safe(pos, npos, &uc_mgr->active_devices) {
+ device = list_entry(pos, struct use_case_device,
+ active_list);
+ err = set_device(uc_mgr, device, 0);
+ if (err < 0)
+ uc_error("Unable to disable device %s", device->name);
+ }
+ INIT_LIST_HEAD(&uc_mgr->active_devices);
+
+ err = set_verb(uc_mgr, uc_mgr->active_verb, 0);
+ if (err < 0) {
+ uc_error("Unable to disable verb %s", uc_mgr->active_verb->name);
+ return err;
+ }
+ uc_mgr->active_verb = NULL;
+
+ err = execute_sequence(uc_mgr, &uc_mgr->default_list,
+ &uc_mgr->value_list, NULL, NULL);
+
+ return err;
+}
+
+/**
+ * \brief Reset sound card controls to default values.
+ * \param uc_mgr Use case manager
+ * \return zero on success, otherwise a negative error code
+ */
+int snd_use_case_mgr_reset(snd_use_case_mgr_t *uc_mgr)
+{
+ int err;
+
+ pthread_mutex_lock(&uc_mgr->mutex);
+ err = execute_sequence(uc_mgr, &uc_mgr->default_list,
+ &uc_mgr->value_list, NULL, NULL);
+ INIT_LIST_HEAD(&uc_mgr->active_modifiers);
+ INIT_LIST_HEAD(&uc_mgr->active_devices);
+ uc_mgr->active_verb = NULL;
+ pthread_mutex_unlock(&uc_mgr->mutex);
+ return err;
+}
+
+/**
+ * \brief Get list of verbs in pair verbname+comment
+ * \param list Returned list
+ * \param verbname For verb (NULL = current)
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_verb_list(snd_use_case_mgr_t *uc_mgr, const char **list[])
+{
+ return get_list2(&uc_mgr->verb_list, list,
+ struct use_case_verb, list,
+ name, comment);
+}
+
+/**
+ * \brief Get list of devices in pair devicename+comment
+ * \param list Returned list
+ * \param verbname For verb (NULL = current)
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_device_list(snd_use_case_mgr_t *uc_mgr, const char **list[],
+ char *verbname)
+{
+ struct use_case_verb *verb;
+
+ if (verbname) {
+ verb = find_verb(uc_mgr, verbname);
+ } else {
+ verb = uc_mgr->active_verb;
+ }
+ if (verb == NULL)
+ return -ENOENT;
+ return get_list2(&verb->device_list, list,
+ struct use_case_device, list,
+ name, comment);
+}
+
+/**
+ * \brief Get list of modifiers in pair devicename+comment
+ * \param list Returned list
+ * \param verbname For verb (NULL = current)
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_modifier_list(snd_use_case_mgr_t *uc_mgr, const char **list[],
+ char *verbname)
+{
+ struct use_case_verb *verb;
+
+ if (verbname) {
+ verb = find_verb(uc_mgr, verbname);
+ } else {
+ verb = uc_mgr->active_verb;
+ }
+ if (verb == NULL)
+ return -ENOENT;
+ return get_list2(&verb->modifier_list, list,
+ struct use_case_modifier, list,
+ name, comment);
+}
+
+/**
+ * \brief Get list of supported/conflicting devices
+ * \param list Returned list
+ * \param name Name of modifier or verb to query
+ * \param type Type of device list entries to return
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_supcon_device_list(snd_use_case_mgr_t *uc_mgr,
+ const char **list[], char *name,
+ enum dev_list_type type)
+{
+ char *str;
+ struct use_case_verb *verb;
+ struct use_case_modifier *modifier;
+ struct use_case_device *device;
+
+ if (!name)
+ return -ENOENT;
+
+ str = strchr(name, '/');
+ if (str) {
+ *str = '\0';
+ verb = find_verb(uc_mgr, str + 1);
+ }
+ else {
+ verb = uc_mgr->active_verb;
+ }
+ if (!verb)
+ return -ENOENT;
+
+ modifier = find_modifier(uc_mgr, verb, name, 0);
+ if (modifier) {
+ if (modifier->dev_list.type != type)
+ return 0;
+ return get_list(&modifier->dev_list.list, list,
+ struct dev_list_node, list,
+ name);
+ }
+
+ device = find_device(uc_mgr, verb, name, 0);
+ if (device) {
+ if (device->dev_list.type != type)
+ return 0;
+ return get_list(&device->dev_list.list, list,
+ struct dev_list_node, list,
+ name);
+ }
+
+ return -ENOENT;
+
+}
+
+/**
+ * \brief Get list of supported devices
+ * \param list Returned list
+ * \param name Name of verb or modifier to query
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_supported_device_list(snd_use_case_mgr_t *uc_mgr,
+ const char **list[], char *name)
+{
+ return get_supcon_device_list(uc_mgr, list, name, DEVLIST_SUPPORTED);
+}
+
+/**
+ * \brief Get list of conflicting devices
+ * \param list Returned list
+ * \param name Name of verb or modifier to query
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_conflicting_device_list(snd_use_case_mgr_t *uc_mgr,
+ const char **list[], char *name)
+{
+ return get_supcon_device_list(uc_mgr, list, name, DEVLIST_CONFLICTING);
+}
+
+#ifndef DOC_HIDDEN
+struct myvalue {
+ struct list_head list;
+ char *value;
+};
+#endif
+
+static int add_values(struct list_head *list,
+ const char *identifier,
+ struct list_head *source)
+{
+ struct ucm_value *v;
+ struct myvalue *val;
+ struct list_head *pos, *pos1;
+ int match;
+
+ list_for_each(pos, source) {
+ v = list_entry(pos, struct ucm_value, list);
+ if (check_identifier(identifier, v->name)) {
+ match = 0;
+ list_for_each(pos1, list) {
+ val = list_entry(pos1, struct myvalue, list);
+ if (strcmp(val->value, v->data) == 0) {
+ match = 1;
+ break;
+ }
+ }
+ if (!match) {
+ val = malloc(sizeof(struct myvalue));
+ if (val == NULL)
+ return -ENOMEM;
+ val->value = v->data;
+ list_add_tail(&val->list, list);
+ }
+ }
+ }
+ return 0;
+}
+
+/**
+ * \brief Get list of values
+ * \param list Returned list
+ * \param verbname For verb (NULL = current)
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_value_list(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ const char **list[],
+ char *verbname)
+{
+ struct list_head mylist, *pos, *npos;
+ struct myvalue *val;
+ struct use_case_verb *verb;
+ struct use_case_device *dev;
+ struct use_case_modifier *mod;
+ char **res;
+ int err;
+
+ if (verbname) {
+ verb = find_verb(uc_mgr, verbname);
+ } else {
+ verb = uc_mgr->active_verb;
+ }
+ if (verb == NULL)
+ return -ENOENT;
+ INIT_LIST_HEAD(&mylist);
+ err = add_values(&mylist, identifier, &uc_mgr->value_list);
+ if (err < 0)
+ goto __fail;
+ err = add_values(&mylist, identifier, &verb->value_list);
+ if (err < 0)
+ goto __fail;
+ list_for_each(pos, &verb->device_list) {
+ dev = list_entry(pos, struct use_case_device, list);
+ err = add_values(&mylist, identifier, &dev->value_list);
+ if (err < 0)
+ goto __fail;
+ }
+ list_for_each(pos, &verb->modifier_list) {
+ mod = list_entry(pos, struct use_case_modifier, list);
+ err = add_values(&mylist, identifier, &mod->value_list);
+ if (err < 0)
+ goto __fail;
+ }
+ err = alloc_str_list(&mylist, 1, &res);
+ if (err >= 0) {
+ *list = (const char **)res;
+ list_for_each(pos, &mylist) {
+ val = list_entry(pos, struct myvalue, list);
+ *res = strdup(val->value);
+ if (*res == NULL) {
+ snd_use_case_free_list((const char **)res, err);
+ err = -ENOMEM;
+ goto __fail;
+ }
+ res++;
+ }
+ }
+ __fail:
+ list_for_each_safe(pos, npos, &mylist) {
+ val = list_entry(pos, struct myvalue, list);
+ list_del(&val->list);
+ free(val);
+ }
+ return err;
+}
+
+/**
+ * \brief Get list of enabled devices
+ * \param list Returned list
+ * \param verbname For verb (NULL = current)
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_enabled_device_list(snd_use_case_mgr_t *uc_mgr,
+ const char **list[])
+{
+ if (uc_mgr->active_verb == NULL)
+ return -EINVAL;
+ return get_list(&uc_mgr->active_devices, list,
+ struct use_case_device, active_list,
+ name);
+}
+
+/**
+ * \brief Get list of enabled modifiers
+ * \param list Returned list
+ * \param verbname For verb (NULL = current)
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+static int get_enabled_modifier_list(snd_use_case_mgr_t *uc_mgr,
+ const char **list[])
+{
+ if (uc_mgr->active_verb == NULL)
+ return -EINVAL;
+ return get_list(&uc_mgr->active_modifiers, list,
+ struct use_case_modifier, active_list,
+ name);
+}
+
+/**
+ * \brief Obtain a list of entries
+ * \param uc_mgr Use case manager (may be NULL - card list)
+ * \param identifier (may be NULL - card list)
+ * \param list Returned allocated list
+ * \return Number of list entries if success, otherwise a negative error code
+ */
+int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ const char **list[])
+{
+ char *str, *str1;
+ int err;
+
+ if (uc_mgr == NULL || identifier == NULL)
+ return uc_mgr_scan_master_configs(list);
+ pthread_mutex_lock(&uc_mgr->mutex);
+ if (strcmp(identifier, "_verbs") == 0)
+ err = get_verb_list(uc_mgr, list);
+ else if (strcmp(identifier, "_enadevs") == 0)
+ err = get_enabled_device_list(uc_mgr, list);
+ else if (strcmp(identifier, "_enamods") == 0)
+ err = get_enabled_modifier_list(uc_mgr, list);
+ else {
+ str1 = strchr(identifier, '/');
+ if (str1) {
+ str = strdup(str1 + 1);
+ if (str == NULL) {
+ err = -ENOMEM;
+ goto __end;
+ }
+ } else {
+ str = NULL;
+ }
+ if (check_identifier(identifier, "_devices"))
+ err = get_device_list(uc_mgr, list, str);
+ else if (check_identifier(identifier, "_modifiers"))
+ err = get_modifier_list(uc_mgr, list, str);
+ else if (check_identifier(identifier, "_supporteddevs"))
+ err = get_supported_device_list(uc_mgr, list, str);
+ else if (check_identifier(identifier, "_conflictingdevs"))
+ err = get_conflicting_device_list(uc_mgr, list, str);
+ else if (identifier[0] == '_')
+ err = -ENOENT;
+ else
+ err = get_value_list(uc_mgr, identifier, list, str);
+ if (str)
+ free(str);
+ }
+ __end:
+ pthread_mutex_unlock(&uc_mgr->mutex);
+ return err;
+}
+
+static int get_value1(char **value, struct list_head *value_list,
+ const char *identifier)
+{
+ struct ucm_value *val;
+ struct list_head *pos;
+
+ if (!value_list)
+ return -ENOENT;
+
+ list_for_each(pos, value_list) {
+ val = list_entry(pos, struct ucm_value, list);
+ if (check_identifier(identifier, val->name)) {
+ *value = strdup(val->data);
+ if (*value == NULL)
+ return -ENOMEM;
+ return 0;
+ }
+ }
+ return -ENOENT;
+}
+
+static int get_value3(char **value,
+ const char *identifier,
+ struct list_head *value_list1,
+ struct list_head *value_list2,
+ struct list_head *value_list3)
+{
+ int err;
+
+ err = get_value1(value, value_list1, identifier);
+ if (err >= 0 || err != -ENOENT)
+ return err;
+ err = get_value1(value, value_list2, identifier);
+ if (err >= 0 || err != -ENOENT)
+ return err;
+ err = get_value1(value, value_list3, identifier);
+ if (err >= 0 || err != -ENOENT)
+ return err;
+ return -ENOENT;
+}
+
+/**
+ * \brief Get value
+ * \param uc_mgr Use case manager
+ * \param identifier Value identifier (string)
+ * \param value Returned value string
+ * \param item Modifier or Device name (string)
+ * \return Zero on success (value is filled), otherwise a negative error code
+ */
+static int get_value(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ char **value,
+ const char *mod_dev_name,
+ const char *verb_name,
+ int exact)
+{
+ struct use_case_verb *verb;
+ struct use_case_modifier *mod;
+ struct use_case_device *dev;
+ int err;
+
+ if (mod_dev_name || verb_name || !exact) {
+ if (verb_name && strlen(verb_name)) {
+ verb = find_verb(uc_mgr, verb_name);
+ } else {
+ verb = uc_mgr->active_verb;
+ }
+ if (verb) {
+ if (mod_dev_name) {
+ mod = find_modifier(uc_mgr, verb,
+ mod_dev_name, 0);
+ if (mod) {
+ err = get_value1(value,
+ &mod->value_list,
+ identifier);
+ if (err >= 0 || err != -ENOENT)
+ return err;
+ }
+
+ dev = find_device(uc_mgr, verb,
+ mod_dev_name, 0);
+ if (dev) {
+ err = get_value1(value,
+ &dev->value_list,
+ identifier);
+ if (err >= 0 || err != -ENOENT)
+ return err;
+ }
+
+ if (exact)
+ return -ENOENT;
+ }
+
+ err = get_value1(value, &verb->value_list, identifier);
+ if (err >= 0 || err != -ENOENT)
+ return err;
+ }
+
+ if (exact)
+ return -ENOENT;
+ }
+
+ err = get_value1(value, &uc_mgr->value_list, identifier);
+ if (err >= 0 || err != -ENOENT)
+ return err;
+
+ return -ENOENT;
+}
+
+/**
+ * \brief Get current - string
+ * \param uc_mgr Use case manager
+ * \param identifier
+ * \param value Value pointer
+ * \return Zero if success, otherwise a negative error code
+ *
+ * Note: String is dynamically allocated, use free() to
+ * deallocate this string.
+ */
+int snd_use_case_get(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ const char **value)
+{
+ const char *slash1, *slash2, *mod_dev_after;
+ const char *ident, *mod_dev, *verb;
+ int exact = 0;
+ int err;
+
+ pthread_mutex_lock(&uc_mgr->mutex);
+ if (identifier == NULL) {
+ *value = strdup(uc_mgr->card_name);
+ if (*value == NULL) {
+ err = -ENOMEM;
+ goto __end;
+ }
+ err = 0;
+ } else if (strcmp(identifier, "_verb") == 0) {
+ if (uc_mgr->active_verb == NULL) {
+ err = -ENOENT;
+ goto __end;
+ }
+ *value = strdup(uc_mgr->active_verb->name);
+ if (*value == NULL) {
+ err = -ENOMEM;
+ goto __end;
+ }
+ err = 0;
+ } else if (identifier[0] == '_') {
+ err = -ENOENT;
+ goto __end;
+ } else {
+ if (identifier[0] == '=') {
+ exact = 1;
+ identifier++;
+ }
+
+ slash1 = strchr(identifier, '/');
+ if (slash1) {
+ ident = strndup(identifier, slash1 - identifier);
+
+ slash2 = strchr(slash1 + 1, '/');
+ if (slash2) {
+ mod_dev_after = slash2;
+ verb = slash2 + 1;
+ }
+ else {
+ mod_dev_after = slash1 + strlen(slash1);
+ verb = NULL;
+ }
+
+ if (mod_dev_after == slash1 + 1)
+ mod_dev = NULL;
+ else
+ mod_dev = strndup(slash1 + 1,
+ mod_dev_after - (slash1 + 1));
+ }
+ else {
+ ident = identifier;
+ mod_dev = NULL;
+ verb = NULL;
+ }
+
+ err = get_value(uc_mgr, ident, (char **)value, mod_dev, verb,
+ exact);
+ if (ident != identifier)
+ free((void *)ident);
+ if (mod_dev)
+ free((void *)mod_dev);
+ }
+ __end:
+ pthread_mutex_unlock(&uc_mgr->mutex);
+ return err;
+}
+
+
+/**
+ * \brief Get current - integer
+ * \param uc_mgr Use case manager
+ * \param identifier
+ * \return Value if success, otherwise a negative error code
+ */
+int snd_use_case_geti(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ long *value)
+{
+ char *str, *str1;
+ long err;
+
+ pthread_mutex_lock(&uc_mgr->mutex);
+ if (0) {
+ /* nothing here - prepared for fixed identifiers */
+ } else {
+ str1 = strchr(identifier, '/');
+ if (str1) {
+ str = strdup(str1 + 1);
+ if (str == NULL) {
+ err = -ENOMEM;
+ goto __end;
+ }
+ } else {
+ str = NULL;
+ }
+ if (check_identifier(identifier, "_devstatus")) {
+ err = device_status(uc_mgr, str);
+ if (err >= 0) {
+ *value = err;
+ err = 0;
+ }
+ } else if (check_identifier(identifier, "_modstatus")) {
+ err = modifier_status(uc_mgr, str);
+ if (err >= 0) {
+ *value = err;
+ err = 0;
+ }
+#if 0
+ /*
+ * enable this block if the else clause below is expanded to query
+ * user-supplied values
+ */
+ } else if (identifier[0] == '_')
+ err = -ENOENT;
+#endif
+ } else
+ err = -ENOENT;
+ if (str)
+ free(str);
+ }
+ __end:
+ pthread_mutex_unlock(&uc_mgr->mutex);
+ return err;
+}
+
+static int handle_transition_verb(snd_use_case_mgr_t *uc_mgr,
+ struct use_case_verb *new_verb)
+{
+ struct list_head *pos;
+ struct transition_sequence *trans;
+ int err;
+
+ list_for_each(pos, &uc_mgr->active_verb->transition_list) {
+ trans = list_entry(pos, struct transition_sequence, list);
+ if (strcmp(trans->name, new_verb->name) == 0) {
+ err = execute_sequence(uc_mgr, &trans->transition_list,
+ &uc_mgr->active_verb->value_list,
+ &uc_mgr->value_list,
+ NULL);
+ if (err >= 0)
+ return 1;
+ return err;
+ }
+ }
+ return 0;
+}
+
+static int set_verb_user(snd_use_case_mgr_t *uc_mgr,
+ const char *verb_name)
+{
+ struct use_case_verb *verb;
+ int err = 0;
+
+ if (uc_mgr->active_verb &&
+ strcmp(uc_mgr->active_verb->name, verb_name) == 0)
+ return 0;
+ if (strcmp(verb_name, SND_USE_CASE_VERB_INACTIVE) != 0) {
+ verb = find_verb(uc_mgr, verb_name);
+ if (verb == NULL)
+ return -ENOENT;
+ } else {
+ verb = NULL;
+ }
+ if (uc_mgr->active_verb) {
+ err = handle_transition_verb(uc_mgr, verb);
+ if (err == 0) {
+ err = dismantle_use_case(uc_mgr);
+ if (err < 0)
+ return err;
+ } else if (err == 1) {
+ uc_mgr->active_verb = verb;
+ verb = NULL;
+ } else {
+ verb = NULL; /* show error */
+ }
+ }
+ if (verb) {
+ err = set_verb(uc_mgr, verb, 1);
+ if (err < 0)
+ uc_error("error: failed to initialize new use case: %s",
+ verb_name);
+ }
+ return err;
+}
+
+
+static int set_device_user(snd_use_case_mgr_t *uc_mgr,
+ const char *device_name,
+ int enable)
+{
+ struct use_case_device *device;
+
+ if (uc_mgr->active_verb == NULL)
+ return -ENOENT;
+ device = find_device(uc_mgr, uc_mgr->active_verb, device_name, 1);
+ if (device == NULL)
+ return -ENOENT;
+ return set_device(uc_mgr, device, enable);
+}
+
+static int set_modifier_user(snd_use_case_mgr_t *uc_mgr,
+ const char *modifier_name,
+ int enable)
+{
+ struct use_case_modifier *modifier;
+
+ if (uc_mgr->active_verb == NULL)
+ return -ENOENT;
+
+ modifier = find_modifier(uc_mgr, uc_mgr->active_verb, modifier_name, 1);
+ if (modifier == NULL)
+ return -ENOENT;
+ return set_modifier(uc_mgr, modifier, enable);
+}
+
+static int switch_device(snd_use_case_mgr_t *uc_mgr,
+ const char *old_device,
+ const char *new_device)
+{
+ struct use_case_device *xold, *xnew;
+ struct transition_sequence *trans;
+ struct list_head *pos;
+ int err, seq_found = 0;
+
+ if (uc_mgr->active_verb == NULL)
+ return -ENOENT;
+ if (device_status(uc_mgr, old_device) == 0) {
+ uc_error("error: device %s not enabled", old_device);
+ return -EINVAL;
+ }
+ if (device_status(uc_mgr, new_device) != 0) {
+ uc_error("error: device %s already enabled", new_device);
+ return -EINVAL;
+ }
+ xold = find_device(uc_mgr, uc_mgr->active_verb, old_device, 1);
+ if (xold == NULL)
+ return -ENOENT;
+ list_del(&xold->active_list);
+ xnew = find_device(uc_mgr, uc_mgr->active_verb, new_device, 1);
+ list_add_tail(&xold->active_list, &uc_mgr->active_devices);
+ if (xnew == NULL)
+ return -ENOENT;
+ err = 0;
+ list_for_each(pos, &xold->transition_list) {
+ trans = list_entry(pos, struct transition_sequence, list);
+ if (strcmp(trans->name, new_device) == 0) {
+ err = execute_sequence(uc_mgr, &trans->transition_list,
+ &xold->value_list,
+ &uc_mgr->active_verb->value_list,
+ &uc_mgr->value_list);
+ if (err >= 0) {
+ list_del(&xold->active_list);
+ list_add_tail(&xnew->active_list, &uc_mgr->active_devices);
+ }
+ seq_found = 1;
+ break;
+ }
+ }
+ if (!seq_found) {
+ err = set_device(uc_mgr, xold, 0);
+ if (err < 0)
+ return err;
+ err = set_device(uc_mgr, xnew, 1);
+ if (err < 0)
+ return err;
+ }
+ return err;
+}
+
+static int switch_modifier(snd_use_case_mgr_t *uc_mgr,
+ const char *old_modifier,
+ const char *new_modifier)
+{
+ struct use_case_modifier *xold, *xnew;
+ struct transition_sequence *trans;
+ struct list_head *pos;
+ int err, seq_found = 0;
+
+ if (uc_mgr->active_verb == NULL)
+ return -ENOENT;
+ if (modifier_status(uc_mgr, old_modifier) == 0) {
+ uc_error("error: modifier %s not enabled", old_modifier);
+ return -EINVAL;
+ }
+ if (modifier_status(uc_mgr, new_modifier) != 0) {
+ uc_error("error: modifier %s already enabled", new_modifier);
+ return -EINVAL;
+ }
+ xold = find_modifier(uc_mgr, uc_mgr->active_verb, old_modifier, 1);
+ if (xold == NULL)
+ return -ENOENT;
+ xnew = find_modifier(uc_mgr, uc_mgr->active_verb, new_modifier, 1);
+ if (xnew == NULL)
+ return -ENOENT;
+ err = 0;
+ list_for_each(pos, &xold->transition_list) {
+ trans = list_entry(pos, struct transition_sequence, list);
+ if (strcmp(trans->name, new_modifier) == 0) {
+ err = execute_sequence(uc_mgr, &trans->transition_list,
+ &xold->value_list,
+ &uc_mgr->active_verb->value_list,
+ &uc_mgr->value_list);
+ if (err >= 0) {
+ list_del(&xold->active_list);
+ list_add_tail(&xnew->active_list, &uc_mgr->active_modifiers);
+ }
+ seq_found = 1;
+ break;
+ }
+ }
+ if (!seq_found) {
+ err = set_modifier(uc_mgr, xold, 0);
+ if (err < 0)
+ return err;
+ err = set_modifier(uc_mgr, xnew, 1);
+ if (err < 0)
+ return err;
+ }
+ return err;
+}
+
+/**
+ * \brief Set new
+ * \param uc_mgr Use case manager
+ * \param identifier
+ * \param value Value
+ * \return Zero if success, otherwise a negative error code
+ */
+int snd_use_case_set(snd_use_case_mgr_t *uc_mgr,
+ const char *identifier,
+ const char *value)
+{
+ char *str, *str1;
+ int err = 0;
+
+ pthread_mutex_lock(&uc_mgr->mutex);
+ if (strcmp(identifier, "_verb") == 0)
+ err = set_verb_user(uc_mgr, value);
+ else if (strcmp(identifier, "_enadev") == 0)
+ err = set_device_user(uc_mgr, value, 1);
+ else if (strcmp(identifier, "_disdev") == 0)
+ err = set_device_user(uc_mgr, value, 0);
+ else if (strcmp(identifier, "_enamod") == 0)
+ err = set_modifier_user(uc_mgr, value, 1);
+ else if (strcmp(identifier, "_dismod") == 0)
+ err = set_modifier_user(uc_mgr, value, 0);
+ else {
+ str1 = strchr(identifier, '/');
+ if (str1) {
+ str = strdup(str1 + 1);
+ if (str == NULL) {
+ err = -ENOMEM;
+ goto __end;
+ }
+ } else {
+ err = -EINVAL;
+ goto __end;
+ }
+ if (check_identifier(identifier, "_swdev"))
+ err = switch_device(uc_mgr, str, value);
+ else if (check_identifier(identifier, "_swmod"))
+ err = switch_modifier(uc_mgr, str, value);
+ else
+ err = -EINVAL;
+ if (str)
+ free(str);
+ }
+ __end:
+ pthread_mutex_unlock(&uc_mgr->mutex);
+ return err;
+}
diff --git a/src/ucm/parser.c b/src/ucm/parser.c
new file mode 100644
index 0000000..9e1cb41
--- /dev/null
+++ b/src/ucm/parser.c
@@ -0,0 +1,1344 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Support for the verb/device/modifier core logic and API,
+ * command line tool and file parser was kindly sponsored by
+ * Texas Instruments Inc.
+ * Support for multiple active modifiers and devices,
+ * transition sequences, multiple client access and user defined use
+ * cases was kindly sponsored by Wolfson Microelectronics PLC.
+ *
+ * Copyright (C) 2008-2010 SlimLogic Ltd
+ * Copyright (C) 2010 Wolfson Microelectronics PLC
+ * Copyright (C) 2010 Texas Instruments Inc.
+ * Copyright (C) 2010 Red Hat Inc.
+ * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
+ * Stefan Schmidt <stefan@slimlogic.co.uk>
+ * Justin Xu <justinx@slimlogic.co.uk>
+ * Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include "ucm_local.h"
+#include <dirent.h>
+
+/** The name of the environment variable containing the UCM directory */
+#define ALSA_CONFIG_UCM_VAR "ALSA_CONFIG_UCM"
+
+static int parse_sequence(snd_use_case_mgr_t *uc_mgr,
+ struct list_head *base,
+ snd_config_t *cfg);
+
+/*
+ * Parse string
+ */
+int parse_string(snd_config_t *n, char **res)
+{
+ int err;
+
+ err = snd_config_get_string(n, (const char **)res);
+ if (err < 0)
+ return err;
+ *res = strdup(*res);
+ if (*res == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+/*
+ * Parse safe ID
+ */
+int parse_is_name_safe(const char *name)
+{
+ if (strchr(name, '.')) {
+ uc_error("char '.' not allowed in '%s'", name);
+ return 0;
+ }
+ return 1;
+}
+
+int parse_get_safe_id(snd_config_t *n, const char **id)
+{
+ int err;
+
+ err = snd_config_get_id(n, id);
+ if (err < 0)
+ return err;
+ if (!parse_is_name_safe((char *)(*id)))
+ return -EINVAL;
+ return 0;
+}
+
+/*
+ * Parse transition
+ */
+static int parse_transition(snd_use_case_mgr_t *uc_mgr,
+ struct list_head *tlist,
+ snd_config_t *cfg)
+{
+ struct transition_sequence *tseq;
+ const char *id;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ int err;
+
+ if (snd_config_get_id(cfg, &id) < 0)
+ return -EINVAL;
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("compound type expected for %s", id);
+ return -EINVAL;
+ }
+
+ snd_config_for_each(i, next, cfg) {
+ n = snd_config_iterator_entry(i);
+
+ if (snd_config_get_id(n, &id) < 0)
+ return -EINVAL;
+
+ tseq = calloc(1, sizeof(*tseq));
+ if (tseq == NULL)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&tseq->transition_list);
+
+ tseq->name = strdup(id);
+ if (tseq->name == NULL) {
+ free(tseq);
+ return -ENOMEM;
+ }
+
+ err = parse_sequence(uc_mgr, &tseq->transition_list, n);
+ if (err < 0) {
+ uc_mgr_free_transition_element(tseq);
+ return err;
+ }
+
+ list_add(&tseq->list, tlist);
+ }
+ return 0;
+}
+
+/*
+ * Parse compound
+ */
+static int parse_compound(snd_use_case_mgr_t *uc_mgr, snd_config_t *cfg,
+ int (*fcn)(snd_use_case_mgr_t *, snd_config_t *, void *, void *),
+ void *data1, void *data2)
+{
+ const char *id;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ int err;
+
+ if (snd_config_get_id(cfg, &id) < 0)
+ return -EINVAL;
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("compound type expected for %s", id);
+ return -EINVAL;
+ }
+ /* parse compound */
+ snd_config_for_each(i, next, cfg) {
+ n = snd_config_iterator_entry(i);
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("compound type expected for %s, is %d", id, snd_config_get_type(cfg));
+ return -EINVAL;
+ }
+
+ err = fcn(uc_mgr, n, data1, data2);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static int strip_legacy_dev_index(char *name)
+{
+ char *dot = strchr(name, '.');
+ if (!dot)
+ return 0;
+ if (dot[1] != '0' || dot[2] != '\0') {
+ uc_error("device name %s contains a '.',"
+ " and is not legacy foo.0 format", name);
+ return -EINVAL;
+ }
+ *dot = '\0';
+ return 0;
+}
+
+/*
+ * Parse device list
+ */
+static int parse_device_list(snd_use_case_mgr_t *uc_mgr ATTRIBUTE_UNUSED,
+ struct dev_list *dev_list,
+ enum dev_list_type type,
+ snd_config_t *cfg)
+{
+ struct dev_list_node *sdev;
+ const char *id;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ int err;
+
+ if (dev_list->type != DEVLIST_NONE) {
+ uc_error("error: multiple supported or"
+ " conflicting device lists");
+ return -EEXIST;
+ }
+
+ if (snd_config_get_id(cfg, &id) < 0)
+ return -EINVAL;
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("compound type expected for %s", id);
+ return -EINVAL;
+ }
+
+ snd_config_for_each(i, next, cfg) {
+ n = snd_config_iterator_entry(i);
+
+ if (snd_config_get_id(n, &id) < 0)
+ return -EINVAL;
+
+ sdev = calloc(1, sizeof(struct dev_list_node));
+ if (sdev == NULL)
+ return -ENOMEM;
+ err = parse_string(n, &sdev->name);
+ if (err < 0) {
+ free(sdev);
+ return err;
+ }
+ err = strip_legacy_dev_index(sdev->name);
+ if (err < 0) {
+ free(sdev->name);
+ free(sdev);
+ return err;
+ }
+ list_add(&sdev->list, &dev_list->list);
+ }
+
+ dev_list->type = type;
+
+ return 0;
+}
+
+/*
+ * Parse sequences.
+ *
+ * Sequence controls elements are in the following form:-
+ *
+ * cdev "hw:0"
+ * cset "element_id_syntax value_syntax"
+ * usleep time
+ * exec "any unix command with arguments"
+ *
+ * e.g.
+ * cset "name='Master Playback Switch' 0,0"
+ * cset "iface=PCM,name='Disable HDMI',index=1 0"
+ */
+static int parse_sequence(snd_use_case_mgr_t *uc_mgr ATTRIBUTE_UNUSED,
+ struct list_head *base,
+ snd_config_t *cfg)
+{
+ struct sequence_element *curr;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ int err, idx = 0;
+ const char *cmd = NULL;
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("error: compound is expected for sequence definition");
+ return -EINVAL;
+ }
+
+ snd_config_for_each(i, next, cfg) {
+ const char *id;
+ idx ^= 1;
+ n = snd_config_iterator_entry(i);
+ err = snd_config_get_id(n, &id);
+ if (err < 0)
+ continue;
+ if (idx == 1) {
+ if (snd_config_get_type(n) != SND_CONFIG_TYPE_STRING) {
+ uc_error("error: string type is expected for sequence command");
+ return -EINVAL;
+ }
+ snd_config_get_string(n, &cmd);
+ continue;
+ }
+
+ /* alloc new sequence element */
+ curr = calloc(1, sizeof(struct sequence_element));
+ if (curr == NULL)
+ return -ENOMEM;
+ list_add_tail(&curr->list, base);
+
+ if (strcmp(cmd, "cdev") == 0) {
+ curr->type = SEQUENCE_ELEMENT_TYPE_CDEV;
+ err = parse_string(n, &curr->data.cdev);
+ if (err < 0) {
+ uc_error("error: cdev requires a string!");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(cmd, "cset") == 0) {
+ curr->type = SEQUENCE_ELEMENT_TYPE_CSET;
+ err = parse_string(n, &curr->data.cset);
+ if (err < 0) {
+ uc_error("error: cset requires a string!");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(cmd, "cset-bin-file") == 0) {
+ curr->type = SEQUENCE_ELEMENT_TYPE_CSET_BIN_FILE;
+ err = parse_string(n, &curr->data.cset);
+ if (err < 0) {
+ uc_error("error: cset-bin-file requires a string!");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(cmd, "usleep") == 0) {
+ curr->type = SEQUENCE_ELEMENT_TYPE_SLEEP;
+ err = snd_config_get_integer(n, &curr->data.sleep);
+ if (err < 0) {
+ uc_error("error: usleep requires integer!");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(cmd, "msleep") == 0) {
+ curr->type = SEQUENCE_ELEMENT_TYPE_SLEEP;
+ err = snd_config_get_integer(n, &curr->data.sleep);
+ if (err < 0) {
+ uc_error("error: msleep requires integer!");
+ return err;
+ }
+ curr->data.sleep *= 1000L;
+ continue;
+ }
+
+ if (strcmp(cmd, "exec") == 0) {
+ curr->type = SEQUENCE_ELEMENT_TYPE_EXEC;
+ err = parse_string(n, &curr->data.exec);
+ if (err < 0) {
+ uc_error("error: exec requires a string!");
+ return err;
+ }
+ continue;
+ }
+
+ list_del(&curr->list);
+ uc_mgr_free_sequence_element(curr);
+ }
+
+ return 0;
+}
+
+/*
+ * Parse values.
+ *
+ * Parse values describing PCM, control/mixer settings and stream parameters.
+ *
+ * Value {
+ * TQ Voice
+ * CapturePCM "hw:1"
+ * PlaybackVolume "name='Master Playback Volume',index=2"
+ * PlaybackSwitch "name='Master Playback Switch',index=2"
+ * }
+ */
+static int parse_value(snd_use_case_mgr_t *uc_mgr ATTRIBUTE_UNUSED,
+ struct list_head *base,
+ snd_config_t *cfg)
+{
+ struct ucm_value *curr;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ long l;
+ long long ll;
+ double d;
+ snd_config_type_t type;
+ int err;
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("error: compound is expected for value definition");
+ return -EINVAL;
+ }
+ snd_config_for_each(i, next, cfg) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ err = snd_config_get_id(n, &id);
+ if (err < 0)
+ continue;
+
+ /* alloc new value */
+ curr = calloc(1, sizeof(struct ucm_value));
+ if (curr == NULL)
+ return -ENOMEM;
+ list_add_tail(&curr->list, base);
+ curr->name = strdup(id);
+ if (curr->name == NULL)
+ return -ENOMEM;
+ type = snd_config_get_type(n);
+ switch (type) {
+ case SND_CONFIG_TYPE_INTEGER:
+ curr->data = malloc(16);
+ if (curr->data == NULL)
+ return -ENOMEM;
+ snd_config_get_integer(n, &l);
+ sprintf(curr->data, "%li", l);
+ break;
+ case SND_CONFIG_TYPE_INTEGER64:
+ curr->data = malloc(32);
+ if (curr->data == NULL)
+ return -ENOMEM;
+ snd_config_get_integer64(n, &ll);
+ sprintf(curr->data, "%lli", ll);
+ break;
+ case SND_CONFIG_TYPE_REAL:
+ curr->data = malloc(64);
+ if (curr->data == NULL)
+ return -ENOMEM;
+ snd_config_get_real(n, &d);
+ sprintf(curr->data, "%-16g", d);
+ break;
+ case SND_CONFIG_TYPE_STRING:
+ err = parse_string(n, &curr->data);
+ if (err < 0) {
+ uc_error("error: unable to parse a string for id '%s'!", id);
+ return err;
+ }
+ break;
+ default:
+ uc_error("error: invalid type %i in Value compound", type);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Parse Modifier Use cases
+ *
+ * # Each modifier is described in new section. N modifiers are allowed
+ * SectionModifier."Capture Voice" {
+ *
+ * Comment "Record voice call"
+ *
+ * SupportedDevice [
+ * "x"
+ * "y"
+ * ]
+ *
+ * ConflictingDevice [
+ * "x"
+ * "y"
+ * ]
+ *
+ * EnableSequence [
+ * ....
+ * ]
+ *
+ * DisableSequence [
+ * ...
+ * ]
+ *
+ * TransitionSequence."ToModifierName" [
+ * ...
+ * ]
+ *
+ * # Optional TQ and ALSA PCMs
+ * Value {
+ * TQ Voice
+ * CapturePCM "hw:1"
+ * PlaybackVolume "name='Master Playback Volume',index=2"
+ * PlaybackSwitch "name='Master Playback Switch',index=2"
+ * }
+ *
+ * }
+ *
+ * SupportedDevice and ConflictingDevice cannot be specified together.
+ * Both are optional.
+ */
+static int parse_modifier(snd_use_case_mgr_t *uc_mgr,
+ snd_config_t *cfg,
+ void *data1,
+ void *data2)
+{
+ struct use_case_verb *verb = data1;
+ struct use_case_modifier *modifier;
+ const char *name;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ int err;
+
+ if (data2) {
+ name = data2;
+ if (!parse_is_name_safe(name))
+ return -EINVAL;
+ }
+ else {
+ if (parse_get_safe_id(cfg, &name) < 0)
+ return -EINVAL;
+ }
+
+ /* allocate modifier */
+ modifier = calloc(1, sizeof(*modifier));
+ if (modifier == NULL)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&modifier->enable_list);
+ INIT_LIST_HEAD(&modifier->disable_list);
+ INIT_LIST_HEAD(&modifier->transition_list);
+ INIT_LIST_HEAD(&modifier->dev_list.list);
+ INIT_LIST_HEAD(&modifier->value_list);
+ list_add_tail(&modifier->list, &verb->modifier_list);
+ modifier->name = strdup(name);
+
+ snd_config_for_each(i, next, cfg) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+
+ if (strcmp(id, "Comment") == 0) {
+ err = parse_string(n, &modifier->comment);
+ if (err < 0) {
+ uc_error("error: failed to get modifier comment");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "SupportedDevice") == 0) {
+ err = parse_device_list(uc_mgr, &modifier->dev_list,
+ DEVLIST_SUPPORTED, n);
+ if (err < 0) {
+ uc_error("error: failed to parse supported"
+ " device list");
+ return err;
+ }
+ }
+
+ if (strcmp(id, "ConflictingDevice") == 0) {
+ err = parse_device_list(uc_mgr, &modifier->dev_list,
+ DEVLIST_CONFLICTING, n);
+ if (err < 0) {
+ uc_error("error: failed to parse conflicting"
+ " device list");
+ return err;
+ }
+ }
+
+ if (strcmp(id, "EnableSequence") == 0) {
+ err = parse_sequence(uc_mgr, &modifier->enable_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse modifier"
+ " enable sequence");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "DisableSequence") == 0) {
+ err = parse_sequence(uc_mgr, &modifier->disable_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse modifier"
+ " disable sequence");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "TransitionSequence") == 0) {
+ err = parse_transition(uc_mgr, &modifier->transition_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse transition"
+ " modifier");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "Value") == 0) {
+ err = parse_value(uc_mgr, &modifier->value_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse Value");
+ return err;
+ }
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Parse Device Use Cases
+ *
+ *# Each device is described in new section. N devices are allowed
+ *SectionDevice."Headphones" {
+ * Comment "Headphones connected to 3.5mm jack"
+ *
+ * upportedDevice [
+ * "x"
+ * "y"
+ * ]
+ *
+ * ConflictingDevice [
+ * "x"
+ * "y"
+ * ]
+ *
+ * EnableSequence [
+ * ....
+ * ]
+ *
+ * DisableSequence [
+ * ...
+ * ]
+ *
+ * TransitionSequence."ToDevice" [
+ * ...
+ * ]
+ *
+ * Value {
+ * PlaybackVolume "name='Master Playback Volume',index=2"
+ * PlaybackSwitch "name='Master Playback Switch',index=2"
+ * }
+ * }
+ */
+static int parse_device(snd_use_case_mgr_t *uc_mgr,
+ snd_config_t *cfg,
+ void *data1,
+ void *data2)
+{
+ struct use_case_verb *verb = data1;
+ const char *name;
+ struct use_case_device *device;
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ int err;
+
+ if (data2) {
+ name = data2;
+ if (!parse_is_name_safe(name))
+ return -EINVAL;
+ }
+ else {
+ if (parse_get_safe_id(cfg, &name) < 0)
+ return -EINVAL;
+ }
+
+ device = calloc(1, sizeof(*device));
+ if (device == NULL)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&device->enable_list);
+ INIT_LIST_HEAD(&device->disable_list);
+ INIT_LIST_HEAD(&device->transition_list);
+ INIT_LIST_HEAD(&device->dev_list.list);
+ INIT_LIST_HEAD(&device->value_list);
+ list_add_tail(&device->list, &verb->device_list);
+ device->name = strdup(name);
+
+ snd_config_for_each(i, next, cfg) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+
+ if (strcmp(id, "Comment") == 0) {
+ err = parse_string(n, &device->comment);
+ if (err < 0) {
+ uc_error("error: failed to get device comment");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "SupportedDevice") == 0) {
+ err = parse_device_list(uc_mgr, &device->dev_list,
+ DEVLIST_SUPPORTED, n);
+ if (err < 0) {
+ uc_error("error: failed to parse supported"
+ " device list");
+ return err;
+ }
+ }
+
+ if (strcmp(id, "ConflictingDevice") == 0) {
+ err = parse_device_list(uc_mgr, &device->dev_list,
+ DEVLIST_CONFLICTING, n);
+ if (err < 0) {
+ uc_error("error: failed to parse conflicting"
+ " device list");
+ return err;
+ }
+ }
+
+ if (strcmp(id, "EnableSequence") == 0) {
+ uc_dbg("EnableSequence");
+ err = parse_sequence(uc_mgr, &device->enable_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse device enable"
+ " sequence");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "DisableSequence") == 0) {
+ uc_dbg("DisableSequence");
+ err = parse_sequence(uc_mgr, &device->disable_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse device disable"
+ " sequence");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "TransitionSequence") == 0) {
+ uc_dbg("TransitionSequence");
+ err = parse_transition(uc_mgr, &device->transition_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse transition"
+ " device");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "Value") == 0) {
+ err = parse_value(uc_mgr, &device->value_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse Value");
+ return err;
+ }
+ continue;
+ }
+ }
+ return 0;
+}
+
+static int parse_compound_check_legacy(snd_use_case_mgr_t *uc_mgr,
+ snd_config_t *cfg,
+ int (*fcn)(snd_use_case_mgr_t *, snd_config_t *, void *, void *),
+ void *data1)
+{
+ const char *id, *idchild;
+ int child_ctr = 0, legacy_format = 1;
+ snd_config_iterator_t i, next;
+ snd_config_t *child;
+ int err;
+
+ err = snd_config_get_id(cfg, &id);
+ if (err < 0)
+ return err;
+
+ snd_config_for_each(i, next, cfg) {
+ child_ctr++;
+ if (child_ctr > 1) {
+ break;
+ }
+
+ child = snd_config_iterator_entry(i);
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ legacy_format = 0;
+ break;
+ }
+
+ if (snd_config_get_id(child, &idchild) < 0)
+ return -EINVAL;
+
+ if (strcmp(idchild, "0")) {
+ legacy_format = 0;
+ break;
+ }
+ }
+ if (child_ctr != 1) {
+ legacy_format = 0;
+ }
+
+ if (legacy_format)
+ return parse_compound(uc_mgr, cfg, fcn, data1, (void *)id);
+ else
+ return fcn(uc_mgr, cfg, data1, NULL);
+}
+
+static int parse_device_name(snd_use_case_mgr_t *uc_mgr,
+ snd_config_t *cfg,
+ void *data1,
+ void *data2 ATTRIBUTE_UNUSED)
+{
+ return parse_compound_check_legacy(uc_mgr, cfg, parse_device, data1);
+}
+
+static int parse_modifier_name(snd_use_case_mgr_t *uc_mgr,
+ snd_config_t *cfg,
+ void *data1,
+ void *data2 ATTRIBUTE_UNUSED)
+{
+ return parse_compound_check_legacy(uc_mgr, cfg, parse_modifier, data1);
+}
+
+/*
+ * Parse Verb Section
+ *
+ * # Example Use case verb section for Voice call blah
+ * # By Joe Blogs <joe@blogs.com>
+ *
+ * SectionVerb {
+ * # enable and disable sequences are compulsory
+ * EnableSequence [
+ * cset "name='Master Playback Switch',index=2 0,0"
+ * cset "name='Master Playback Volume',index=2 25,25"
+ * msleep 50
+ * cset "name='Master Playback Switch',index=2 1,1"
+ * cset "name='Master Playback Volume',index=2 50,50"
+ * ]
+ *
+ * DisableSequence [
+ * cset "name='Master Playback Switch',index=2 0,0"
+ * cset "name='Master Playback Volume',index=2 25,25"
+ * msleep 50
+ * cset "name='Master Playback Switch',index=2 1,1"
+ * cset "name='Master Playback Volume',index=2 50,50"
+ * ]
+ *
+ * # Optional transition verb
+ * TransitionSequence."ToCaseName" [
+ * msleep 1
+ * ]
+ *
+ * # Optional TQ and ALSA PCMs
+ * Value {
+ * TQ HiFi
+ * CapturePCM "hw:0"
+ * PlaybackPCM "hw:0"
+ * }
+ * }
+ */
+static int parse_verb(snd_use_case_mgr_t *uc_mgr,
+ struct use_case_verb *verb,
+ snd_config_t *cfg)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ int err;
+
+ /* parse verb section */
+ snd_config_for_each(i, next, cfg) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+
+ if (strcmp(id, "EnableSequence") == 0) {
+ uc_dbg("Parse EnableSequence");
+ err = parse_sequence(uc_mgr, &verb->enable_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse verb enable sequence");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "DisableSequence") == 0) {
+ uc_dbg("Parse DisableSequence");
+ err = parse_sequence(uc_mgr, &verb->disable_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse verb disable sequence");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "TransitionSequence") == 0) {
+ uc_dbg("Parse TransitionSequence");
+ err = parse_transition(uc_mgr, &verb->transition_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse transition sequence");
+ return err;
+ }
+ continue;
+ }
+
+ if (strcmp(id, "Value") == 0) {
+ uc_dbg("Parse Value");
+ err = parse_value(uc_mgr, &verb->value_list, n);
+ if (err < 0)
+ return err;
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Parse a Use case verb file.
+ *
+ * This file contains the following :-
+ * o Verb enable and disable sequences.
+ * o Supported Device enable and disable sequences for verb.
+ * o Supported Modifier enable and disable sequences for verb
+ * o Optional QoS for the verb and modifiers.
+ * o Optional PCM device ID for verb and modifiers
+ * o Alias kcontrols IDs for master and volumes and mutes.
+ */
+static int parse_verb_file(snd_use_case_mgr_t *uc_mgr,
+ const char *use_case_name,
+ const char *comment,
+ const char *file)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ struct use_case_verb *verb;
+ snd_config_t *cfg;
+ char filename[MAX_FILE];
+ char *env = getenv(ALSA_CONFIG_UCM_VAR);
+ int err;
+
+ /* allocate verb */
+ verb = calloc(1, sizeof(struct use_case_verb));
+ if (verb == NULL)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&verb->enable_list);
+ INIT_LIST_HEAD(&verb->disable_list);
+ INIT_LIST_HEAD(&verb->transition_list);
+ INIT_LIST_HEAD(&verb->device_list);
+ INIT_LIST_HEAD(&verb->modifier_list);
+ INIT_LIST_HEAD(&verb->value_list);
+ list_add_tail(&verb->list, &uc_mgr->verb_list);
+ if (use_case_name == NULL)
+ return -EINVAL;
+ verb->name = strdup(use_case_name);
+ if (verb->name == NULL)
+ return -ENOMEM;
+
+ if (comment != NULL) {
+ verb->comment = strdup(comment);
+ if (verb->comment == NULL)
+ return -ENOMEM;
+ }
+
+ /* open Verb file for reading */
+ snprintf(filename, sizeof(filename), "%s/%s/%s",
+ env ? env : ALSA_USE_CASE_DIR,
+ uc_mgr->card_name, file);
+ filename[sizeof(filename)-1] = '\0';
+
+ err = uc_mgr_config_load(filename, &cfg);
+ if (err < 0) {
+ uc_error("error: failed to open verb file %s : %d",
+ filename, -errno);
+ return err;
+ }
+
+ /* parse master config sections */
+ snd_config_for_each(i, next, cfg) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+
+ /* find verb section and parse it */
+ if (strcmp(id, "SectionVerb") == 0) {
+ err = parse_verb(uc_mgr, verb, n);
+ if (err < 0) {
+ uc_error("error: %s failed to parse verb",
+ file);
+ return err;
+ }
+ continue;
+ }
+
+ /* find device sections and parse them */
+ if (strcmp(id, "SectionDevice") == 0) {
+ err = parse_compound(uc_mgr, n,
+ parse_device_name, verb, NULL);
+ if (err < 0) {
+ uc_error("error: %s failed to parse device",
+ file);
+ return err;
+ }
+ continue;
+ }
+
+ /* find modifier sections and parse them */
+ if (strcmp(id, "SectionModifier") == 0) {
+ err = parse_compound(uc_mgr, n,
+ parse_modifier_name, verb, NULL);
+ if (err < 0) {
+ uc_error("error: %s failed to parse modifier",
+ file);
+ return err;
+ }
+ continue;
+ }
+ }
+
+ /* use case verb must have at least 1 device */
+ if (list_empty(&verb->device_list)) {
+ uc_error("error: no use case device defined", file);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/*
+ * Parse master section for "Use Case" and "File" tags.
+ */
+static int parse_master_section(snd_use_case_mgr_t *uc_mgr, snd_config_t *cfg,
+ void *data1 ATTRIBUTE_UNUSED,
+ void *data2 ATTRIBUTE_UNUSED)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ const char *use_case_name, *file = NULL, *comment = NULL;
+ int err;
+
+ if (snd_config_get_id(cfg, &use_case_name) < 0) {
+ uc_error("unable to get name for use case section");
+ return -EINVAL;
+ }
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("compound type expected for use case section");
+ return -EINVAL;
+ }
+ /* parse master config sections */
+ snd_config_for_each(i, next, cfg) {
+ const char *id;
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+
+ /* get use case verb file name */
+ if (strcmp(id, "File") == 0) {
+ err = snd_config_get_string(n, &file);
+ if (err < 0) {
+ uc_error("failed to get File");
+ return err;
+ }
+ continue;
+ }
+
+ /* get optional use case comment */
+ if (strncmp(id, "Comment", 7) == 0) {
+ err = snd_config_get_string(n, &comment);
+ if (err < 0) {
+ uc_error("error: failed to get Comment");
+ return err;
+ }
+ continue;
+ }
+
+ uc_error("unknown field %s in master section");
+ }
+
+ uc_dbg("use_case_name %s file '%s'", use_case_name, file);
+
+ /* do we have both use case name and file ? */
+ if (!file) {
+ uc_error("error: use case missing file");
+ return -EINVAL;
+ }
+
+ /* parse verb file */
+ return parse_verb_file(uc_mgr, use_case_name, comment, file);
+}
+
+/*
+ * parse controls
+ */
+static int parse_controls(snd_use_case_mgr_t *uc_mgr, snd_config_t *cfg)
+{
+ int err;
+
+ if (!list_empty(&uc_mgr->default_list)) {
+ uc_error("Default list is not empty");
+ return -EINVAL;
+ }
+ err = parse_sequence(uc_mgr, &uc_mgr->default_list, cfg);
+ if (err < 0) {
+ uc_error("Unable to parse SectionDefaults");
+ return err;
+ }
+
+ return 0;
+}
+
+/*
+ * Each sound card has a master sound card file that lists all the supported
+ * use case verbs for that sound card. i.e.
+ *
+ * #Example master file for blah sound card
+ * #By Joe Blogs <joe@bloggs.org>
+ *
+ * Comment "Nice Abstracted Soundcard"
+ *
+ * # The file is divided into Use case sections. One section per use case verb.
+ *
+ * SectionUseCase."Voice Call" {
+ * File "voice_call_blah"
+ * Comment "Make a voice phone call."
+ * }
+ *
+ * SectionUseCase."HiFi" {
+ * File "hifi_blah"
+ * Comment "Play and record HiFi quality Music."
+ * }
+ *
+ * # Define Value defaults
+ *
+ * ValueDefaults {
+ * PlaybackCTL "hw:CARD=0"
+ * CaptureCTL "hw:CARD=0"
+ * }
+ *
+ * # This file also stores the default sound card state.
+ *
+ * SectionDefaults [
+ * cset "name='Master Playback Switch',index=2 1,1"
+ * cset "name='Master Playback Volume',index=2 25,25"
+ * cset "name='Master Mono Playback',index=1 0"
+ * cset "name='Master Mono Playback Volume',index=1 0"
+ * cset "name='PCM Switch',index=2 1,1"
+ * exec "some binary here"
+ * msleep 50
+ * ........
+ * ]
+ *
+ * # End of example file.
+ */
+static int parse_master_file(snd_use_case_mgr_t *uc_mgr, snd_config_t *cfg)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *n;
+ const char *id;
+ int err;
+
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ uc_error("compound type expected for master file");
+ return -EINVAL;
+ }
+
+ /* parse master config sections */
+ snd_config_for_each(i, next, cfg) {
+
+ n = snd_config_iterator_entry(i);
+ if (snd_config_get_id(n, &id) < 0)
+ continue;
+
+ if (strcmp(id, "Comment") == 0) {
+ err = parse_string(n, &uc_mgr->comment);
+ if (err < 0) {
+ uc_error("error: failed to get master comment");
+ return err;
+ }
+ continue;
+ }
+
+ /* find use case section and parse it */
+ if (strcmp(id, "SectionUseCase") == 0) {
+ err = parse_compound(uc_mgr, n,
+ parse_master_section,
+ NULL, NULL);
+ if (err < 0)
+ return err;
+ continue;
+ }
+
+ /* find default control values section and parse it */
+ if (strcmp(id, "SectionDefaults") == 0) {
+ err = parse_controls(uc_mgr, n);
+ if (err < 0)
+ return err;
+ continue;
+ }
+
+ /* get the default values */
+ if (strcmp(id, "ValueDefaults") == 0) {
+ err = parse_value(uc_mgr, &uc_mgr->value_list, n);
+ if (err < 0) {
+ uc_error("error: failed to parse ValueDefaults");
+ return err;
+ }
+ continue;
+ }
+
+ uc_error("uknown master file field %s", id);
+ }
+ return 0;
+}
+
+static int load_master_config(const char *card_name, snd_config_t **cfg)
+{
+ char filename[MAX_FILE];
+ char *env = getenv(ALSA_CONFIG_UCM_VAR);
+ int err;
+
+ snprintf(filename, sizeof(filename)-1,
+ "%s/%s/%s.conf", env ? env : ALSA_USE_CASE_DIR,
+ card_name, card_name);
+ filename[MAX_FILE-1] = '\0';
+
+ err = uc_mgr_config_load(filename, cfg);
+ if (err < 0) {
+ uc_error("error: could not parse configuration for card %s",
+ card_name);
+ return err;
+ }
+
+ return 0;
+}
+
+/* load master use case file for sound card */
+int uc_mgr_import_master_config(snd_use_case_mgr_t *uc_mgr)
+{
+ snd_config_t *cfg;
+ int err;
+
+ err = load_master_config(uc_mgr->card_name, &cfg);
+ if (err < 0)
+ return err;
+ err = parse_master_file(uc_mgr, cfg);
+ snd_config_delete(cfg);
+ if (err < 0)
+ uc_mgr_free_verb(uc_mgr);
+
+ return err;
+}
+
+static int filename_filter(const struct dirent *dirent)
+{
+ if (dirent == NULL)
+ return 0;
+ if (dirent->d_type == DT_DIR) {
+ if (dirent->d_name[0] == '.') {
+ if (dirent->d_name[1] == '\0')
+ return 0;
+ if (dirent->d_name[1] == '.' &&
+ dirent->d_name[2] == '\0')
+ return 0;
+ }
+ return 1;
+ }
+ return 0;
+}
+
+/* scan all cards and comments */
+int uc_mgr_scan_master_configs(const char **_list[])
+{
+ char filename[MAX_FILE], dfl[MAX_FILE];
+ char *env = getenv(ALSA_CONFIG_UCM_VAR);
+ const char **list;
+ snd_config_t *cfg, *c;
+ int i, cnt, err;
+ ssize_t ss;
+ struct dirent **namelist;
+
+ snprintf(filename, sizeof(filename)-1,
+ "%s", env ? env : ALSA_USE_CASE_DIR);
+ filename[MAX_FILE-1] = '\0';
+
+#ifdef _GNU_SOURCE
+#define SORTFUNC versionsort
+#else
+#define SORTFUNC alphasort
+#endif
+ err = scandir(filename, &namelist, filename_filter, SORTFUNC);
+ if (err < 0) {
+ err = -errno;
+ uc_error("error: could not scan directory %s: %s",
+ filename, strerror(-err));
+ return err;
+ }
+ cnt = err;
+
+ dfl[0] = '\0';
+ if (strlen(filename) + 8 < sizeof(filename)) {
+ strcat(filename, "/default");
+ ss = readlink(filename, dfl, sizeof(dfl)-1);
+ if (ss >= 0) {
+ dfl[ss] = '\0';
+ dfl[sizeof(dfl)-1] = '\0';
+ if (dfl[0] && dfl[strlen(dfl)-1] == '/')
+ dfl[strlen(dfl)-1] = '\0';
+ } else {
+ dfl[0] = '\0';
+ }
+ }
+
+ list = calloc(1, cnt * 2 * sizeof(char *));
+ if (list == NULL) {
+ err = -ENOMEM;
+ goto __err;
+ }
+
+ for (i = 0; i < cnt; i++) {
+ err = load_master_config(namelist[i]->d_name, &cfg);
+ if (err < 0)
+ goto __err;
+ err = snd_config_search(cfg, "Comment", &c);
+ if (err >= 0) {
+ err = parse_string(c, (char **)&list[i*2+1]);
+ if (err < 0) {
+ snd_config_delete(cfg);
+ goto __err;
+ }
+ }
+ snd_config_delete(cfg);
+ list[i * 2] = strdup(namelist[i]->d_name);
+ if (list[i * 2] == NULL) {
+ err = -ENOMEM;
+ goto __err;
+ }
+ if (strcmp(dfl, list[i * 2]) == 0) {
+ /* default to top */
+ const char *save1 = list[i * 2];
+ const char *save2 = list[i * 2 + 1];
+ memmove(list + 2, list, i * 2 * sizeof(char *));
+ list[0] = save1;
+ list[1] = save2;
+ }
+ }
+ err = cnt * 2;
+
+ __err:
+ for (i = 0; i < cnt; i++) {
+ free(namelist[i]);
+ if (err < 0) {
+ free((void *)list[i * 2]);
+ free((void *)list[i * 2 + 1]);
+ }
+ }
+ free(namelist);
+
+ if (err >= 0)
+ *_list = list;
+
+ return err;
+}
diff --git a/src/ucm/ucm_local.h b/src/ucm/ucm_local.h
new file mode 100644
index 0000000..c1655c7
--- /dev/null
+++ b/src/ucm/ucm_local.h
@@ -0,0 +1,223 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Support for the verb/device/modifier core logic and API,
+ * command line tool and file parser was kindly sponsored by
+ * Texas Instruments Inc.
+ * Support for multiple active modifiers and devices,
+ * transition sequences, multiple client access and user defined use
+ * cases was kindly sponsored by Wolfson Microelectronics PLC.
+ *
+ * Copyright (C) 2008-2010 SlimLogic Ltd
+ * Copyright (C) 2010 Wolfson Microelectronics PLC
+ * Copyright (C) 2010 Texas Instruments Inc.
+ * Copyright (C) 2010 Red Hat Inc.
+ * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
+ * Stefan Schmidt <stefan@slimlogic.co.uk>
+ * Justin Xu <justinx@slimlogic.co.uk>
+ * Jaroslav Kysela <perex@perex.cz>
+ */
+
+
+
+#if 0
+#define UC_MGR_DEBUG
+#endif
+
+#include <pthread.h>
+#include "local.h"
+#include "use-case.h"
+
+#define MAX_FILE 256
+#define ALSA_USE_CASE_DIR ALSA_CONFIG_DIR "/ucm"
+
+#define SEQUENCE_ELEMENT_TYPE_CDEV 1
+#define SEQUENCE_ELEMENT_TYPE_CSET 2
+#define SEQUENCE_ELEMENT_TYPE_SLEEP 3
+#define SEQUENCE_ELEMENT_TYPE_EXEC 4
+#define SEQUENCE_ELEMENT_TYPE_CSET_BIN_FILE 5
+
+struct ucm_value {
+ struct list_head list;
+ char *name;
+ char *data;
+};
+
+struct sequence_element {
+ struct list_head list;
+ unsigned int type;
+ union {
+ long sleep; /* Sleep time in microseconds if sleep element, else 0 */
+ char *cdev;
+ char *cset;
+ char *exec;
+ } data;
+};
+
+/*
+ * Transition sequences. i.e. transition between one verb, device, mod to another
+ */
+struct transition_sequence {
+ struct list_head list;
+ char *name;
+ struct list_head transition_list;
+};
+
+/*
+ * Modifier Supported Devices.
+ */
+enum dev_list_type {
+ DEVLIST_NONE,
+ DEVLIST_SUPPORTED,
+ DEVLIST_CONFLICTING
+};
+
+struct dev_list_node {
+ struct list_head list;
+ char *name;
+};
+
+struct dev_list {
+ enum dev_list_type type;
+ struct list_head list;
+};
+
+/*
+ * Describes a Use Case Modifier and it's enable and disable sequences.
+ * A use case verb can have N modifiers.
+ */
+struct use_case_modifier {
+ struct list_head list;
+ struct list_head active_list;
+
+ char *name;
+ char *comment;
+
+ /* modifier enable and disable sequences */
+ struct list_head enable_list;
+ struct list_head disable_list;
+
+ /* modifier transition list */
+ struct list_head transition_list;
+
+ /* list of devices supported or conflicting */
+ struct dev_list dev_list;
+
+ /* values */
+ struct list_head value_list;
+};
+
+/*
+ * Describes a Use Case Device and it's enable and disable sequences.
+ * A use case verb can have N devices.
+ */
+struct use_case_device {
+ struct list_head list;
+ struct list_head active_list;
+
+ char *name;
+ char *comment;
+
+ /* device enable and disable sequences */
+ struct list_head enable_list;
+ struct list_head disable_list;
+
+ /* device transition list */
+ struct list_head transition_list;
+
+ /* list of devices supported or conflicting */
+ struct dev_list dev_list;
+
+ /* value list */
+ struct list_head value_list;
+};
+
+/*
+ * Describes a Use Case Verb and it's enable and disable sequences.
+ * A use case verb can have N devices and N modifiers.
+ */
+struct use_case_verb {
+ struct list_head list;
+
+ unsigned int active: 1;
+
+ char *name;
+ char *comment;
+
+ /* verb enable and disable sequences */
+ struct list_head enable_list;
+ struct list_head disable_list;
+
+ /* verb transition list */
+ struct list_head transition_list;
+
+ /* hardware devices that can be used with this use case */
+ struct list_head device_list;
+
+ /* modifiers that can be used with this use case */
+ struct list_head modifier_list;
+
+ /* value list */
+ struct list_head value_list;
+};
+
+/*
+ * Manages a sound card and all its use cases.
+ */
+struct snd_use_case_mgr {
+ char *card_name;
+ char *comment;
+
+ /* use case verb, devices and modifier configs parsed from files */
+ struct list_head verb_list;
+
+ /* default settings - sequence */
+ struct list_head default_list;
+
+ /* default settings - value list */
+ struct list_head value_list;
+
+ /* current status */
+ struct use_case_verb *active_verb;
+ struct list_head active_devices;
+ struct list_head active_modifiers;
+
+ /* locking */
+ pthread_mutex_t mutex;
+
+ /* change to list of ctl handles */
+ snd_ctl_t *ctl;
+ char *ctl_dev;
+};
+
+#define uc_error SNDERR
+
+#ifdef UC_MGR_DEBUG
+#define uc_dbg SNDERR
+#else
+#define uc_dbg(fmt, arg...) do { } while (0)
+#endif
+
+void uc_mgr_error(const char *fmt, ...);
+void uc_mgr_stdout(const char *fmt, ...);
+
+int uc_mgr_config_load(const char *file, snd_config_t **cfg);
+int uc_mgr_import_master_config(snd_use_case_mgr_t *uc_mgr);
+int uc_mgr_scan_master_configs(const char **_list[]);
+
+void uc_mgr_free_sequence_element(struct sequence_element *seq);
+void uc_mgr_free_transition_element(struct transition_sequence *seq);
+void uc_mgr_free_verb(snd_use_case_mgr_t *uc_mgr);
+void uc_mgr_free(snd_use_case_mgr_t *uc_mgr);
diff --git a/src/ucm/utils.c b/src/ucm/utils.c
new file mode 100644
index 0000000..45307b0
--- /dev/null
+++ b/src/ucm/utils.c
@@ -0,0 +1,237 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Support for the verb/device/modifier core logic and API,
+ * command line tool and file parser was kindly sponsored by
+ * Texas Instruments Inc.
+ * Support for multiple active modifiers and devices,
+ * transition sequences, multiple client access and user defined use
+ * cases was kindly sponsored by Wolfson Microelectronics PLC.
+ *
+ * Copyright (C) 2008-2010 SlimLogic Ltd
+ * Copyright (C) 2010 Wolfson Microelectronics PLC
+ * Copyright (C) 2010 Texas Instruments Inc.
+ * Copyright (C) 2010 Red Hat Inc.
+ * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
+ * Stefan Schmidt <stefan@slimlogic.co.uk>
+ * Justin Xu <justinx@slimlogic.co.uk>
+ * Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include "ucm_local.h"
+
+void uc_mgr_error(const char *fmt,...)
+{
+ va_list va;
+ va_start(va, fmt);
+ fprintf(stderr, "ucm: ");
+ vfprintf(stderr, fmt, va);
+ va_end(va);
+}
+
+void uc_mgr_stdout(const char *fmt,...)
+{
+ va_list va;
+ va_start(va, fmt);
+ vfprintf(stdout, fmt, va);
+ va_end(va);
+}
+
+int uc_mgr_config_load(const char *file, snd_config_t **cfg)
+{
+ FILE *fp;
+ snd_input_t *in;
+ snd_config_t *top;
+ int err;
+
+ fp = fopen(file, "r");
+ if (fp == NULL) {
+ err = -errno;
+ goto __err;
+ }
+ err = snd_input_stdio_attach(&in, fp, 1);
+ if (err < 0) {
+ __err:
+ uc_error("could not open configuration file %s", file);
+ return err;
+ }
+ err = snd_config_top(&top);
+ if (err < 0)
+ return err;
+ err = snd_config_load(top, in);
+ if (err < 0) {
+ uc_error("could not load configuration file %s", file);
+ snd_config_delete(top);
+ return err;
+ }
+ err = snd_input_close(in);
+ if (err < 0) {
+ snd_config_delete(top);
+ return err;
+ }
+ *cfg = top;
+ return 0;
+}
+
+void uc_mgr_free_value(struct list_head *base)
+{
+ struct list_head *pos, *npos;
+ struct ucm_value *val;
+
+ list_for_each_safe(pos, npos, base) {
+ val = list_entry(pos, struct ucm_value, list);
+ free(val->name);
+ free(val->data);
+ list_del(&val->list);
+ free(val);
+ }
+}
+
+void uc_mgr_free_dev_list(struct dev_list *dev_list)
+{
+ struct list_head *pos, *npos;
+ struct dev_list_node *dlist;
+
+ list_for_each_safe(pos, npos, &dev_list->list) {
+ dlist = list_entry(pos, struct dev_list_node, list);
+ free(dlist->name);
+ list_del(&dlist->list);
+ free(dlist);
+ }
+}
+
+void uc_mgr_free_sequence_element(struct sequence_element *seq)
+{
+ if (seq == NULL)
+ return;
+ switch (seq->type) {
+ case SEQUENCE_ELEMENT_TYPE_CSET:
+ case SEQUENCE_ELEMENT_TYPE_EXEC:
+ free(seq->data.exec);
+ break;
+ default:
+ break;
+ }
+ free(seq);
+}
+
+void uc_mgr_free_sequence(struct list_head *base)
+{
+ struct list_head *pos, *npos;
+ struct sequence_element *seq;
+
+ list_for_each_safe(pos, npos, base) {
+ seq = list_entry(pos, struct sequence_element, list);
+ list_del(&seq->list);
+ uc_mgr_free_sequence_element(seq);
+ }
+}
+
+void uc_mgr_free_transition_element(struct transition_sequence *tseq)
+{
+ free(tseq->name);
+ uc_mgr_free_sequence(&tseq->transition_list);
+ free(tseq);
+}
+
+void uc_mgr_free_transition(struct list_head *base)
+{
+ struct list_head *pos, *npos;
+ struct transition_sequence *tseq;
+
+ list_for_each_safe(pos, npos, base) {
+ tseq = list_entry(pos, struct transition_sequence, list);
+ list_del(&tseq->list);
+ uc_mgr_free_transition_element(tseq);
+ }
+}
+
+void uc_mgr_free_modifier(struct list_head *base)
+{
+ struct list_head *pos, *npos;
+ struct use_case_modifier *mod;
+
+ list_for_each_safe(pos, npos, base) {
+ mod = list_entry(pos, struct use_case_modifier, list);
+ free(mod->name);
+ free(mod->comment);
+ uc_mgr_free_sequence(&mod->enable_list);
+ uc_mgr_free_sequence(&mod->disable_list);
+ uc_mgr_free_transition(&mod->transition_list);
+ uc_mgr_free_dev_list(&mod->dev_list);
+ uc_mgr_free_value(&mod->value_list);
+ list_del(&mod->list);
+ free(mod);
+ }
+}
+
+void uc_mgr_free_device(struct list_head *base)
+{
+ struct list_head *pos, *npos;
+ struct use_case_device *dev;
+
+ list_for_each_safe(pos, npos, base) {
+ dev = list_entry(pos, struct use_case_device, list);
+ free(dev->name);
+ free(dev->comment);
+ uc_mgr_free_sequence(&dev->enable_list);
+ uc_mgr_free_sequence(&dev->disable_list);
+ uc_mgr_free_transition(&dev->transition_list);
+ uc_mgr_free_dev_list(&dev->dev_list);
+ uc_mgr_free_value(&dev->value_list);
+ list_del(&dev->list);
+ free(dev);
+ }
+}
+
+void uc_mgr_free_verb(snd_use_case_mgr_t *uc_mgr)
+{
+ struct list_head *pos, *npos;
+ struct use_case_verb *verb;
+
+ list_for_each_safe(pos, npos, &uc_mgr->verb_list) {
+ verb = list_entry(pos, struct use_case_verb, list);
+ free(verb->name);
+ free(verb->comment);
+ uc_mgr_free_sequence(&verb->enable_list);
+ uc_mgr_free_sequence(&verb->disable_list);
+ uc_mgr_free_transition(&verb->transition_list);
+ uc_mgr_free_value(&verb->value_list);
+ uc_mgr_free_device(&verb->device_list);
+ uc_mgr_free_modifier(&verb->modifier_list);
+ list_del(&verb->list);
+ free(verb);
+ }
+ uc_mgr_free_sequence(&uc_mgr->default_list);
+ uc_mgr_free_value(&uc_mgr->value_list);
+ free(uc_mgr->comment);
+ uc_mgr->comment = NULL;
+ uc_mgr->active_verb = NULL;
+ INIT_LIST_HEAD(&uc_mgr->active_devices);
+ INIT_LIST_HEAD(&uc_mgr->active_modifiers);
+ if (uc_mgr->ctl != NULL) {
+ snd_ctl_close(uc_mgr->ctl);
+ uc_mgr->ctl = NULL;
+ }
+ free(uc_mgr->ctl_dev);
+ uc_mgr->ctl_dev = NULL;
+}
+
+void uc_mgr_free(snd_use_case_mgr_t *uc_mgr)
+{
+ uc_mgr_free_verb(uc_mgr);
+ free(uc_mgr->card_name);
+ free(uc_mgr);
+}
diff --git a/src/userfile.c b/src/userfile.c
new file mode 100644
index 0000000..72779da
--- /dev/null
+++ b/src/userfile.c
@@ -0,0 +1,73 @@
+/*
+ * Get full filename
+ * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <config.h>
+#include <string.h>
+#include <errno.h>
+
+/**
+ * \brief Get the full file name
+ * \param file The file name string to parse
+ * \param result The pointer to store the resultant file name
+ * \return 0 if successful, or a negative error code
+ *
+ * Parses the given file name with POSIX-Shell-like expansion and
+ * stores the first matchine one. The returned string is strdup'ed.
+ */
+
+#ifdef HAVE_WORDEXP_H
+#include <wordexp.h>
+#include <assert.h>
+int snd_user_file(const char *file, char **result)
+{
+ wordexp_t we;
+ int err;
+
+ assert(file && result);
+ err = wordexp(file, &we, WRDE_NOCMD);
+ switch (err) {
+ case WRDE_NOSPACE:
+ wordfree(&we);
+ return -ENOMEM;
+ case 0:
+ if (we.we_wordc == 1)
+ break;
+ wordfree(&we);
+ /* fall thru */
+ default:
+ return -EINVAL;
+ }
+ *result = strdup(we.we_wordv[0]);
+ wordfree(&we);
+ if (*result == NULL)
+ return -ENOMEM;
+ return 0;
+}
+
+#else /* !HAVE_WORDEXP_H */
+/* just copy the string - would be nicer to expand by ourselves, though... */
+int snd_user_file(const char *file, char **result)
+{
+ *result = strdup(file);
+ if (! *result)
+ return -ENOMEM;
+ return 0;
+}
+#endif /* HAVE_WORDEXP_H */
diff --git a/test/Makefile.am b/test/Makefile.am
new file mode 100644
index 0000000..ce6e521
--- /dev/null
+++ b/test/Makefile.am
@@ -0,0 +1,30 @@
+SUBDIRS=. lsb
+
+check_PROGRAMS=control pcm pcm_min latency seq \
+ playmidi1 timer rawmidi midiloop \
+ oldapi queue_timer namehint client_event_filter \
+ chmap audio_time
+
+control_LDADD=../src/libasound.la
+pcm_LDADD=../src/libasound.la
+pcm_LDFLAGS= -lm
+pcm_min_LDADD=../src/libasound.la
+latency_LDADD=../src/libasound.la
+latency_LDFLAGS= -lm
+seq_LDADD=../src/libasound.la
+playmidi1_LDADD=../src/libasound.la
+timer_LDADD=../src/libasound.la
+rawmidi_LDADD=../src/libasound.la
+midiloop_LDADD=../src/libasound.la
+oldapi_LDADD=../src/libasound.la
+queue_timer_LDADD=../src/libasound.la
+namehint_LDADD=../src/libasound.la
+client_event_filter_LDADD=../src/libasound.la
+code_CFLAGS=-Wall -pipe -g -O2
+chmap_LDADD=../src/libasound.la
+audio_time_LDADD=../src/libasound.la
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
+AM_CFLAGS=-Wall -pipe -g
+
+EXTRA_DIST=seq-decoder.c seq-sender.c midifile.h midifile.c midifile.3
diff --git a/test/Makefile.in b/test/Makefile.in
new file mode 100644
index 0000000..904624e
--- /dev/null
+++ b/test/Makefile.in
@@ -0,0 +1,809 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
+am__make_dryrun = \
+ { \
+ am__dry=no; \
+ case $$MAKEFLAGS in \
+ *\\[\ \ ]*) \
+ echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
+ | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
+ *) \
+ for am__flg in $$MAKEFLAGS; do \
+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
+ esac; \
+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+check_PROGRAMS = control$(EXEEXT) pcm$(EXEEXT) pcm_min$(EXEEXT) \
+ latency$(EXEEXT) seq$(EXEEXT) playmidi1$(EXEEXT) \
+ timer$(EXEEXT) rawmidi$(EXEEXT) midiloop$(EXEEXT) \
+ oldapi$(EXEEXT) queue_timer$(EXEEXT) namehint$(EXEEXT) \
+ client_event_filter$(EXEEXT) chmap$(EXEEXT) \
+ audio_time$(EXEEXT)
+subdir = test
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(top_srcdir)/depcomp
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+ $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+audio_time_SOURCES = audio_time.c
+audio_time_OBJECTS = audio_time.$(OBJEXT)
+audio_time_DEPENDENCIES = ../src/libasound.la
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 =
+chmap_SOURCES = chmap.c
+chmap_OBJECTS = chmap.$(OBJEXT)
+chmap_DEPENDENCIES = ../src/libasound.la
+client_event_filter_SOURCES = client_event_filter.c
+client_event_filter_OBJECTS = client_event_filter.$(OBJEXT)
+client_event_filter_DEPENDENCIES = ../src/libasound.la
+control_SOURCES = control.c
+control_OBJECTS = control.$(OBJEXT)
+control_DEPENDENCIES = ../src/libasound.la
+latency_SOURCES = latency.c
+latency_OBJECTS = latency.$(OBJEXT)
+latency_DEPENDENCIES = ../src/libasound.la
+latency_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(latency_LDFLAGS) $(LDFLAGS) -o $@
+midiloop_SOURCES = midiloop.c
+midiloop_OBJECTS = midiloop.$(OBJEXT)
+midiloop_DEPENDENCIES = ../src/libasound.la
+namehint_SOURCES = namehint.c
+namehint_OBJECTS = namehint.$(OBJEXT)
+namehint_DEPENDENCIES = ../src/libasound.la
+oldapi_SOURCES = oldapi.c
+oldapi_OBJECTS = oldapi.$(OBJEXT)
+oldapi_DEPENDENCIES = ../src/libasound.la
+pcm_SOURCES = pcm.c
+pcm_OBJECTS = pcm.$(OBJEXT)
+pcm_DEPENDENCIES = ../src/libasound.la
+pcm_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(pcm_LDFLAGS) $(LDFLAGS) -o $@
+pcm_min_SOURCES = pcm_min.c
+pcm_min_OBJECTS = pcm_min.$(OBJEXT)
+pcm_min_DEPENDENCIES = ../src/libasound.la
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+ fi; \
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+ test ! -f $$subdir/TAGS || \
+ set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
+ fi; \
+ done; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+ shift; \
+ if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ if test $$# -gt 0; then \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ "$$@" $$unique; \
+ else \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$unique; \
+ fi; \
+ fi
+ctags: CTAGS
+CTAGS: ctags-recursive $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
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+ test -z "$(CTAGS_ARGS)$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && $(am__cd) $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) "$$here"
+
+cscopelist: cscopelist-recursive $(HEADERS) $(SOURCES) $(LISP)
+ list='$(SOURCES) $(HEADERS) $(LISP)'; \
+ case "$(srcdir)" in \
+ [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+ *) sdir=$(subdir)/$(srcdir) ;; \
+ esac; \
+ for i in $$list; do \
+ if test -f "$$i"; then \
+ echo "$(subdir)/$$i"; \
+ else \
+ echo "$$sdir/$$i"; \
+ fi; \
+ done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
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+check: check-recursive
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+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
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+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
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+clean-am: clean-checkPROGRAMS clean-generic clean-libtool \
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+ all all-am check check-am clean clean-checkPROGRAMS \
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+ install-data install-data-am install-dvi install-dvi-am \
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/test/audio_time.c b/test/audio_time.c
new file mode 100644
index 0000000..7435db6
--- /dev/null
+++ b/test/audio_time.c
@@ -0,0 +1,298 @@
+/*
+ * This program only tracks the difference between system time
+ * and audio time, as reported in snd_pcm_status(). It should be
+ * helpful to verify the information reported by drivers.
+ */
+
+#include "../include/asoundlib.h"
+#include <math.h>
+
+static char *device = "hw:0,0";
+
+snd_output_t *output = NULL;
+
+long long timestamp2ns(snd_htimestamp_t t)
+{
+ long long nsec;
+
+ nsec = t.tv_sec * 1000000000;
+ nsec += t.tv_nsec;
+
+ return nsec;
+}
+
+long long timediff(snd_htimestamp_t t1, snd_htimestamp_t t2)
+{
+ long long nsec1, nsec2;
+
+ nsec1 = timestamp2ns(t1);
+ nsec2 = timestamp2ns(t2);
+
+ return nsec1 - nsec2;
+}
+
+void gettimestamp(snd_pcm_t *handle, snd_htimestamp_t *timestamp,
+ snd_htimestamp_t *trigger_timestamp,
+ snd_htimestamp_t *audio_timestamp,
+ snd_pcm_uframes_t *avail, snd_pcm_sframes_t *delay)
+{
+ int err;
+ snd_pcm_status_t *status;
+
+ snd_pcm_status_alloca(&status);
+ if ((err = snd_pcm_status(handle, status)) < 0) {
+ printf("Stream status error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ snd_pcm_status_get_trigger_htstamp(status, trigger_timestamp);
+ snd_pcm_status_get_htstamp(status, timestamp);
+ snd_pcm_status_get_audio_htstamp(status, audio_timestamp);
+ *avail = snd_pcm_status_get_avail(status);
+ *delay = snd_pcm_status_get_delay(status);
+}
+
+#define PERIOD 6000
+#define PCM_LINK /* sync start for playback and capture */
+#define TRACK_CAPTURE /* dump capture timing info */
+#define TRACK_PLAYBACK /* dump playback timing info */
+#define TRACK_SAMPLE_COUNTS /* show difference between sample counters and audiotimestamps returned by driver */
+#define PLAYBACK_BUFFERS 4
+#define TSTAMP_TYPE SND_PCM_TSTAMP_TYPE_MONOTONIC
+
+
+int main(void)
+{
+ int err;
+ unsigned int i;
+ snd_pcm_t *handle_p = NULL;
+ snd_pcm_t *handle_c = NULL;
+ snd_pcm_sframes_t frames;
+ snd_htimestamp_t tstamp_c, tstamp_p;
+ snd_htimestamp_t trigger_tstamp_c, trigger_tstamp_p;
+ snd_htimestamp_t audio_tstamp_c, audio_tstamp_p;
+ unsigned char buffer_p[PERIOD*4*4];
+ unsigned char buffer_c[PERIOD*4*4];
+
+ snd_pcm_hw_params_t *hwparams_p;
+ snd_pcm_hw_params_t *hwparams_c;
+
+ snd_pcm_sw_params_t *swparams_p;
+ snd_pcm_sw_params_t *swparams_c;
+
+ snd_pcm_uframes_t curr_count_c;
+ snd_pcm_uframes_t frame_count_c = 0;
+ snd_pcm_uframes_t curr_count_p;
+ snd_pcm_uframes_t frame_count_p = 0;
+
+ snd_pcm_sframes_t delay_p, delay_c;
+ snd_pcm_uframes_t avail_p, avail_c;
+
+ if ((err = snd_pcm_open(&handle_p, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) {
+ printf("Playback open error: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+ if ((err = snd_pcm_set_params(handle_p,
+ SND_PCM_FORMAT_S16,
+ SND_PCM_ACCESS_RW_INTERLEAVED,
+ 2,
+ 48000,
+ 0,
+ 500000)) < 0) { /* 0.5sec */
+ printf("Playback open error: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ snd_pcm_hw_params_alloca(&hwparams_p);
+ /* get the current hwparams */
+ err = snd_pcm_hw_params_current(handle_p, hwparams_p);
+ if (err < 0) {
+ printf("Unable to determine current hwparams_p: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+ if (snd_pcm_hw_params_supports_audio_wallclock_ts(hwparams_p))
+ printf("Playback relies on audio wallclock timestamps\n");
+ else
+ printf("Playback relies on audio sample counter timestamps\n");
+
+ snd_pcm_sw_params_alloca(&swparams_p);
+ /* get the current swparams */
+ err = snd_pcm_sw_params_current(handle_p, swparams_p);
+ if (err < 0) {
+ printf("Unable to determine current swparams_p: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ /* enable tstamp */
+ err = snd_pcm_sw_params_set_tstamp_mode(handle_p, swparams_p, SND_PCM_TSTAMP_ENABLE);
+ if (err < 0) {
+ printf("Unable to set tstamp mode : %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ err = snd_pcm_sw_params_set_tstamp_type(handle_p, swparams_p, TSTAMP_TYPE);
+ if (err < 0) {
+ printf("Unable to set tstamp type : %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ /* write the sw parameters */
+ err = snd_pcm_sw_params(handle_p, swparams_p);
+ if (err < 0) {
+ printf("Unable to set swparams_p : %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ if ((err = snd_pcm_open(&handle_c, device, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK)) < 0) {
+ printf("Capture open error: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+ if ((err = snd_pcm_set_params(handle_c,
+ SND_PCM_FORMAT_S16,
+ SND_PCM_ACCESS_RW_INTERLEAVED,
+ 2,
+ 48000,
+ 0,
+ 500000)) < 0) { /* 0.5sec */
+ printf("Capture open error: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ snd_pcm_hw_params_alloca(&hwparams_c);
+ /* get the current hwparams */
+ err = snd_pcm_hw_params_current(handle_c, hwparams_c);
+ if (err < 0) {
+ printf("Unable to determine current hwparams_c: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+ if (snd_pcm_hw_params_supports_audio_wallclock_ts(hwparams_c))
+ printf("Capture relies on audio wallclock timestamps\n");
+ else
+ printf("Capture relies on audio sample counter timestamps\n");
+
+ snd_pcm_sw_params_alloca(&swparams_c);
+ /* get the current swparams */
+ err = snd_pcm_sw_params_current(handle_c, swparams_c);
+ if (err < 0) {
+ printf("Unable to determine current swparams_c: %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ /* enable tstamp */
+ err = snd_pcm_sw_params_set_tstamp_mode(handle_c, swparams_c, SND_PCM_TSTAMP_ENABLE);
+ if (err < 0) {
+ printf("Unable to set tstamp mode : %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ err = snd_pcm_sw_params_set_tstamp_type(handle_c, swparams_c, TSTAMP_TYPE);
+ if (err < 0) {
+ printf("Unable to set tstamp type : %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+ /* write the sw parameters */
+ err = snd_pcm_sw_params(handle_c, swparams_c);
+ if (err < 0) {
+ printf("Unable to set swparams_c : %s\n", snd_strerror(err));
+ goto _exit;
+ }
+
+#ifdef PCM_LINK
+ if ((err = snd_pcm_link(handle_c, handle_p)) < 0) {
+ printf("Streams link error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+#endif
+
+ i = PLAYBACK_BUFFERS;
+ while (i--) {
+ frames = snd_pcm_writei(handle_p, buffer_p, PERIOD);
+ if (frames < 0) {
+ printf("snd_pcm_writei failed: %s\n", snd_strerror(frames));
+ goto _exit;
+ }
+ frame_count_p += frames;
+ }
+
+ if (PLAYBACK_BUFFERS != 4)
+ snd_pcm_start(handle_p);
+
+#ifndef PCM_LINK
+ /* need to start capture explicitly */
+ snd_pcm_start(handle_c);
+#endif
+
+ while (1) {
+
+ frames = snd_pcm_wait(handle_c, -1);
+ if (frames < 0) {
+ printf("snd_pcm_wait failed: %s\n", snd_strerror(frames));
+ goto _exit;
+ }
+
+ frames = snd_pcm_readi(handle_c, buffer_c, PERIOD);
+ if (frames < 0) {
+ printf("snd_pcm_readi failed: %s\n", snd_strerror(frames));
+ goto _exit;
+ }
+ frame_count_c += frames;
+
+ frames = snd_pcm_writei(handle_p, buffer_p, PERIOD);
+ if (frames < 0) {
+ printf("snd_pcm_writei failed: %s\n", snd_strerror(frames));
+ goto _exit;
+ }
+
+ frame_count_p += frames;
+
+#if defined(TRACK_PLAYBACK)
+ gettimestamp(handle_p, &tstamp_p, &trigger_tstamp_p, &audio_tstamp_p, &avail_p, &delay_p);
+
+#if defined(TRACK_SAMPLE_COUNTS)
+ curr_count_p = frame_count_p - delay_p; /* written minus queued */
+
+ printf("playback: curr_count %lli driver count %lli, delta %lli\n",
+ (long long)curr_count_p * 1000000000LL / 48000 ,
+ timestamp2ns(audio_tstamp_p),
+ (long long)curr_count_p * 1000000000LL / 48000 - timestamp2ns(audio_tstamp_p)
+ );
+#endif
+
+ printf("playback: systime: %lli nsec, audio time %lli nsec, \tsystime delta %lli\n",
+ timediff(tstamp_p, trigger_tstamp_p),
+ timestamp2ns(audio_tstamp_p),
+ timediff(tstamp_p, trigger_tstamp_p) - timestamp2ns(audio_tstamp_p)
+ );
+#endif
+
+#if defined(TRACK_CAPTURE)
+ gettimestamp(handle_c, &tstamp_c, &trigger_tstamp_c, &audio_tstamp_c, &avail_c, &delay_c);
+
+#if defined(TRACK_SAMPLE_COUNTS)
+ curr_count_c = frame_count_c + delay_c; /* read plus queued */
+
+
+ printf("capture: curr_count %lli driver count %lli, delta %lli\n",
+ (long long)curr_count_c * 1000000000LL / 48000 ,
+ timestamp2ns(audio_tstamp_c),
+ (long long)curr_count_c * 1000000000LL / 48000 - timestamp2ns(audio_tstamp_c)
+ );
+#endif
+
+ printf("\t capture: systime: %lli nsec, audio time %lli nsec, \tsystime delta %lli\n",
+ timediff(tstamp_c, trigger_tstamp_c),
+ timestamp2ns(audio_tstamp_c),
+ timediff(tstamp_c, trigger_tstamp_c) - timestamp2ns(audio_tstamp_c)
+ );
+#endif
+
+ }
+
+_exit:
+ if (handle_p)
+ snd_pcm_close(handle_p);
+ if (handle_c)
+ snd_pcm_close(handle_c);
+
+ return 0;
+}
diff --git a/test/chmap.c b/test/chmap.c
new file mode 100644
index 0000000..ad3b305
--- /dev/null
+++ b/test/chmap.c
@@ -0,0 +1,214 @@
+/*
+ * channel mapping API test program
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <getopt.h>
+#include "../include/asoundlib.h"
+
+static void usage(void)
+{
+ printf("usage: chmap [options] query\n"
+ " chmap [options] get\n"
+ " chmap [options] set CH0 CH1 CH2...\n"
+ "options:\n"
+ " -D device Specify PCM device to handle\n"
+ " -s stream Specify PCM stream direction (playback/capture)\n"
+ " -f format PCM format\n"
+ " -c channels Channels\n"
+ " -r rate Sample rate\n");
+}
+
+static void print_channels(const snd_pcm_chmap_t *map)
+{
+ char tmp[128];
+ if (snd_pcm_chmap_print(map, sizeof(tmp), tmp) > 0)
+ printf(" %s\n", tmp);
+}
+
+static int query_chmaps(snd_pcm_t *pcm)
+{
+ snd_pcm_chmap_query_t **maps = snd_pcm_query_chmaps(pcm);
+ snd_pcm_chmap_query_t **p, *v;
+
+ if (!maps) {
+ printf("Cannot query maps\n");
+ return 1;
+ }
+ for (p = maps; (v = *p) != NULL; p++) {
+ printf("Type = %s, Channels = %d\n",
+ snd_pcm_chmap_type_name(v->type),
+ v->map.channels);
+ print_channels(&v->map);
+ }
+ snd_pcm_free_chmaps(maps);
+ return 0;
+}
+
+static int setup_pcm(snd_pcm_t *pcm, int format, int channels, int rate)
+{
+ snd_pcm_hw_params_t *params;
+
+ snd_pcm_hw_params_alloca(¶ms);
+ if (snd_pcm_hw_params_any(pcm, params) < 0) {
+ printf("Cannot init hw_params\n");
+ return -1;
+ }
+ if (format != SND_PCM_FORMAT_UNKNOWN) {
+ if (snd_pcm_hw_params_set_format(pcm, params, format) < 0) {
+ printf("Cannot set format %s\n",
+ snd_pcm_format_name(format));
+ return -1;
+ }
+ }
+ if (channels > 0) {
+ if (snd_pcm_hw_params_set_channels(pcm, params, channels) < 0) {
+ printf("Cannot set channels %d\n", channels);
+ return -1;
+ }
+ }
+ if (rate > 0) {
+ if (snd_pcm_hw_params_set_rate_near(pcm, params, (unsigned int *)&rate, 0) < 0) {
+ printf("Cannot set rate %d\n", rate);
+ return -1;
+ }
+ }
+ if (snd_pcm_hw_params(pcm, params) < 0) {
+ printf("Cannot set hw_params\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int get_chmap(snd_pcm_t *pcm, int format, int channels, int rate)
+{
+ snd_pcm_chmap_t *map;
+
+ if (setup_pcm(pcm, format, channels, rate))
+ return 1;
+ map = snd_pcm_get_chmap(pcm);
+ if (!map) {
+ printf("Cannot get chmap\n");
+ return 1;
+ }
+ printf("Channels = %d\n", map->channels);
+ print_channels(map);
+ free(map);
+ return 0;
+}
+
+static int set_chmap(snd_pcm_t *pcm, int format, int channels, int rate,
+ int nargs, char **arg)
+{
+ int i;
+ snd_pcm_chmap_t *map;
+
+ if (channels && channels != nargs) {
+ printf("Inconsistent channels %d vs %d\n", channels, nargs);
+ return 1;
+ }
+ if (!channels) {
+ if (!nargs) {
+ printf("No channels are given\n");
+ return 1;
+ }
+ channels = nargs;
+ }
+ if (setup_pcm(pcm, format, channels, rate))
+ return 1;
+ map = malloc(sizeof(int) * (channels + 1));
+ if (!map) {
+ printf("cannot malloc\n");
+ return 1;
+ }
+ map->channels = channels;
+ for (i = 0; i < channels; i++) {
+ int val = snd_pcm_chmap_from_string(arg[i]);
+ if (val < 0)
+ val = SND_CHMAP_UNKNOWN;
+ map->pos[i] = val;
+ }
+ if (snd_pcm_set_chmap(pcm, map) < 0) {
+ printf("Cannot set chmap\n");
+ return 1;
+ }
+ free(map);
+
+ map = snd_pcm_get_chmap(pcm);
+ if (!map) {
+ printf("Cannot get chmap\n");
+ return 1;
+ }
+ printf("Get channels = %d\n", map->channels);
+ print_channels(map);
+ free(map);
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ char *device = NULL;
+ int stream = SND_PCM_STREAM_PLAYBACK;
+ int format = SND_PCM_FORMAT_UNKNOWN;
+ int channels = 0;
+ int rate = 0;
+ snd_pcm_t *pcm;
+ int c;
+
+ while ((c = getopt(argc, argv, "D:s:f:c:r:")) != -1) {
+ switch (c) {
+ case 'D':
+ device = optarg;
+ break;
+ case 's':
+ if (*optarg == 'c' || *optarg == 'C')
+ stream = SND_PCM_STREAM_CAPTURE;
+ else
+ stream = SND_PCM_STREAM_PLAYBACK;
+ break;
+ case 'f':
+ format = snd_pcm_format_value(optarg);
+ break;
+ case 'c':
+ channels = atoi(optarg);
+ break;
+ case 'r':
+ rate = atoi(optarg);
+ break;
+ default:
+ usage();
+ return 1;
+ }
+ }
+
+ if (argc <= optind) {
+ usage();
+ return 1;
+ }
+
+ if (!device) {
+ printf("No device is specified\n");
+ return 1;
+ }
+
+ if (snd_pcm_open(&pcm, device, stream, SND_PCM_NONBLOCK) < 0) {
+ printf("Cannot open PCM stream %s for %s\n", device,
+ snd_pcm_stream_name(stream));
+ return 1;
+ }
+
+ switch (*argv[optind]) {
+ case 'q':
+ return query_chmaps(pcm);
+ case 'g':
+ return get_chmap(pcm, format, channels, rate);
+ case 's':
+ return set_chmap(pcm, format, channels, rate,
+ argc - optind - 1, argv + optind + 1);
+ }
+ usage();
+ return 1;
+}
diff --git a/test/client_event_filter.c b/test/client_event_filter.c
new file mode 100644
index 0000000..0650314
--- /dev/null
+++ b/test/client_event_filter.c
@@ -0,0 +1,46 @@
+#include <alsa/asoundlib.h>
+
+void dump_event_filter(snd_seq_client_info_t *client_info) {
+ int i, b;
+
+ for (i = 0; i <= 255;) {
+ b = snd_seq_client_info_event_filter_check(client_info, i);
+ i++;
+ printf("%c%s%s", (b ? 'X' : '.'),
+ (i % 8 == 0 ? " " : ""),
+ (i % 32 == 0 ? "\n" : ""));
+ }
+ printf("\n");
+}
+
+int main(void) {
+ snd_seq_client_info_t *client_info;
+
+ snd_seq_client_info_alloca(&client_info);
+
+ printf("first client_info_event_filter :\n");
+ dump_event_filter(client_info);
+
+ snd_seq_client_info_event_filter_add(client_info, SND_SEQ_EVENT_NOTEON);
+ printf("after snd_seq_client_info_event_filter_add(client_info, SND_SEQ_EVENT_NOTEON);\n");
+ dump_event_filter(client_info);
+
+ snd_seq_client_info_event_filter_add(client_info, SND_SEQ_EVENT_PGMCHANGE);
+ printf("after snd_seq_client_info_event_filter_add(client_info, SND_SEQ_EVENT_PGMCHANGE);\n");
+ dump_event_filter(client_info);
+
+ snd_seq_client_info_event_filter_del(client_info, SND_SEQ_EVENT_NOTEON);
+ printf("after snd_seq_client_info_event_filter_del(client_info, SND_SEQ_EVENT_NOTEON);\n");
+ dump_event_filter(client_info);
+
+ snd_seq_client_info_event_filter_clear(client_info);
+ printf("after snd_seq_client_info_event_filter_clear(client_info);\n");
+ dump_event_filter(client_info);
+
+ snd_seq_client_info_event_filter_add(client_info, SND_SEQ_EVENT_NOTEON);
+ printf("after snd_seq_client_info_event_filter_add(client_info, SND_SEQ_EVENT_NOTEON);\n");
+ dump_event_filter(client_info);
+
+ return 0;
+}
+
diff --git a/test/control.c b/test/control.c
new file mode 100644
index 0000000..f4b437e
--- /dev/null
+++ b/test/control.c
@@ -0,0 +1,106 @@
+#include <stdio.h>
+#include <string.h>
+#include "../include/asoundlib.h"
+
+int main(void)
+{
+ int idx, dev, err;
+ snd_ctl_t *handle;
+ snd_ctl_card_info_t *info;
+ snd_pcm_info_t *pcminfo;
+ snd_rawmidi_info_t *rawmidiinfo;
+ char str[128];
+
+ snd_ctl_card_info_alloca(&info);
+ snd_pcm_info_alloca(&pcminfo);
+ snd_rawmidi_info_alloca(&rawmidiinfo);
+
+ idx = -1;
+ while (1) {
+ if ((err = snd_card_next(&idx)) < 0) {
+ printf("Card next error: %s\n", snd_strerror(err));
+ break;
+ }
+ if (idx < 0)
+ break;
+ sprintf(str, "hw:CARD=%i", idx);
+ if ((err = snd_ctl_open(&handle, str, 0)) < 0) {
+ printf("Open error: %s\n", snd_strerror(err));
+ continue;
+ }
+ if ((err = snd_ctl_card_info(handle, info)) < 0) {
+ printf("HW info error: %s\n", snd_strerror(err));
+ continue;
+ }
+ printf("Soundcard #%i:\n", idx + 1);
+ printf(" card - %i\n", snd_ctl_card_info_get_card(info));
+ printf(" id - '%s'\n", snd_ctl_card_info_get_id(info));
+ printf(" driver - '%s'\n", snd_ctl_card_info_get_driver(info));
+ printf(" name - '%s'\n", snd_ctl_card_info_get_name(info));
+ printf(" longname - '%s'\n", snd_ctl_card_info_get_longname(info));
+ printf(" mixername - '%s'\n", snd_ctl_card_info_get_mixername(info));
+ printf(" components - '%s'\n", snd_ctl_card_info_get_components(info));
+ dev = -1;
+ while (1) {
+ snd_pcm_sync_id_t sync;
+ if ((err = snd_ctl_pcm_next_device(handle, &dev)) < 0) {
+ printf(" PCM next device error: %s\n", snd_strerror(err));
+ break;
+ }
+ if (dev < 0)
+ break;
+ snd_pcm_info_set_device(pcminfo, dev);
+ snd_pcm_info_set_subdevice(pcminfo, 0);
+ snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_PLAYBACK);
+ if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) {
+ printf(" PCM info error: %s\n", snd_strerror(err));
+ continue;
+ }
+ printf("PCM info, device #%i:\n", dev);
+ printf(" device - %i\n", snd_pcm_info_get_device(pcminfo));
+ printf(" subdevice - %i\n", snd_pcm_info_get_subdevice(pcminfo));
+ printf(" stream - %i\n", snd_pcm_info_get_stream(pcminfo));
+ printf(" card - %i\n", snd_pcm_info_get_card(pcminfo));
+ printf(" id - '%s'\n", snd_pcm_info_get_id(pcminfo));
+ printf(" name - '%s'\n", snd_pcm_info_get_name(pcminfo));
+ printf(" subdevice name - '%s'\n", snd_pcm_info_get_subdevice_name(pcminfo));
+ printf(" class - 0x%x\n", snd_pcm_info_get_class(pcminfo));
+ printf(" subclass - 0x%x\n", snd_pcm_info_get_subclass(pcminfo));
+ printf(" subdevices count - %i\n", snd_pcm_info_get_subdevices_count(pcminfo));
+ printf(" subdevices avail - %i\n", snd_pcm_info_get_subdevices_avail(pcminfo));
+ sync = snd_pcm_info_get_sync(pcminfo);
+ printf(" sync - 0x%x,0x%x,0x%x,0x%x\n", sync.id32[0], sync.id32[1], sync.id32[2], sync.id32[3]);
+ }
+ dev = -1;
+ while (1) {
+ if ((err = snd_ctl_rawmidi_next_device(handle, &dev)) < 0) {
+ printf(" RAWMIDI next device error: %s\n", snd_strerror(err));
+ break;
+ }
+ if (dev < 0)
+ break;
+ snd_rawmidi_info_set_device(rawmidiinfo, dev);
+ snd_rawmidi_info_set_subdevice(rawmidiinfo, 0);
+ snd_rawmidi_info_set_stream(rawmidiinfo, SND_RAWMIDI_STREAM_OUTPUT);
+ if ((err = snd_ctl_rawmidi_info(handle, rawmidiinfo)) < 0) {
+ printf(" RAWMIDI info error: %s\n", snd_strerror(err));
+ continue;
+ }
+ printf("RAWMIDI info, device #%i:\n", dev);
+ printf(" device - %i\n", snd_rawmidi_info_get_device(rawmidiinfo));
+ printf(" subdevice - %i\n", snd_rawmidi_info_get_subdevice(rawmidiinfo));
+ printf(" stream - %i\n", snd_rawmidi_info_get_stream(rawmidiinfo));
+ printf(" card - %i\n", snd_rawmidi_info_get_card(rawmidiinfo));
+ printf(" flags - 0x%x\n", snd_rawmidi_info_get_flags(rawmidiinfo));
+ printf(" id - '%s'\n", snd_rawmidi_info_get_id(rawmidiinfo));
+ printf(" name - '%s'\n", snd_rawmidi_info_get_name(rawmidiinfo));
+ printf(" subname - '%s'\n", snd_rawmidi_info_get_subdevice_name(rawmidiinfo));
+ printf(" subdevices count - %i\n", snd_rawmidi_info_get_subdevices_count(rawmidiinfo));
+ printf(" subdevices avail - %i\n", snd_rawmidi_info_get_subdevices_avail(rawmidiinfo));
+ }
+ snd_ctl_close(handle);
+ }
+
+ snd_config_update_free_global();
+ return 0;
+}
diff --git a/test/latency.c b/test/latency.c
new file mode 100644
index 0000000..f3d2eb6
--- /dev/null
+++ b/test/latency.c
@@ -0,0 +1,701 @@
+/*
+ * Latency test program
+ *
+ * Author: Jaroslav Kysela <perex@perex.cz>
+ *
+ * Author of bandpass filter sweep effect:
+ * Maarten de Boer <mdeboer@iua.upf.es>
+ *
+ * This small demo program can be used for measuring latency between
+ * capture and playback. This latency is measured from driver (diff when
+ * playback and capture was started). Scheduler is set to SCHED_RR.
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sched.h>
+#include <errno.h>
+#include <getopt.h>
+#include "../include/asoundlib.h"
+#include <sys/time.h>
+#include <math.h>
+
+char *pdevice = "hw:0,0";
+char *cdevice = "hw:0,0";
+snd_pcm_format_t format = SND_PCM_FORMAT_S16_LE;
+int rate = 22050;
+int channels = 2;
+int buffer_size = 0; /* auto */
+int period_size = 0; /* auto */
+int latency_min = 32; /* in frames / 2 */
+int latency_max = 2048; /* in frames / 2 */
+int loop_sec = 30; /* seconds */
+int block = 0; /* block mode */
+int use_poll = 0;
+int resample = 1;
+unsigned long loop_limit;
+
+snd_output_t *output = NULL;
+
+int setparams_stream(snd_pcm_t *handle,
+ snd_pcm_hw_params_t *params,
+ const char *id)
+{
+ int err;
+ unsigned int rrate;
+
+ err = snd_pcm_hw_params_any(handle, params);
+ if (err < 0) {
+ printf("Broken configuration for %s PCM: no configurations available: %s\n", snd_strerror(err), id);
+ return err;
+ }
+ err = snd_pcm_hw_params_set_rate_resample(handle, params, resample);
+ if (err < 0) {
+ printf("Resample setup failed for %s (val %i): %s\n", id, resample, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED);
+ if (err < 0) {
+ printf("Access type not available for %s: %s\n", id, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_hw_params_set_format(handle, params, format);
+ if (err < 0) {
+ printf("Sample format not available for %s: %s\n", id, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_hw_params_set_channels(handle, params, channels);
+ if (err < 0) {
+ printf("Channels count (%i) not available for %s: %s\n", channels, id, snd_strerror(err));
+ return err;
+ }
+ rrate = rate;
+ err = snd_pcm_hw_params_set_rate_near(handle, params, &rrate, 0);
+ if (err < 0) {
+ printf("Rate %iHz not available for %s: %s\n", rate, id, snd_strerror(err));
+ return err;
+ }
+ if ((int)rrate != rate) {
+ printf("Rate doesn't match (requested %iHz, get %iHz)\n", rate, err);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int setparams_bufsize(snd_pcm_t *handle,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_hw_params_t *tparams,
+ snd_pcm_uframes_t bufsize,
+ const char *id)
+{
+ int err;
+ snd_pcm_uframes_t periodsize;
+
+ snd_pcm_hw_params_copy(params, tparams);
+ periodsize = bufsize * 2;
+ err = snd_pcm_hw_params_set_buffer_size_near(handle, params, &periodsize);
+ if (err < 0) {
+ printf("Unable to set buffer size %li for %s: %s\n", bufsize * 2, id, snd_strerror(err));
+ return err;
+ }
+ if (period_size > 0)
+ periodsize = period_size;
+ else
+ periodsize /= 2;
+ err = snd_pcm_hw_params_set_period_size_near(handle, params, &periodsize, 0);
+ if (err < 0) {
+ printf("Unable to set period size %li for %s: %s\n", periodsize, id, snd_strerror(err));
+ return err;
+ }
+ return 0;
+}
+
+int setparams_set(snd_pcm_t *handle,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_sw_params_t *swparams,
+ const char *id)
+{
+ int err;
+ snd_pcm_uframes_t val;
+
+ err = snd_pcm_hw_params(handle, params);
+ if (err < 0) {
+ printf("Unable to set hw params for %s: %s\n", id, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_sw_params_current(handle, swparams);
+ if (err < 0) {
+ printf("Unable to determine current swparams for %s: %s\n", id, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_sw_params_set_start_threshold(handle, swparams, 0x7fffffff);
+ if (err < 0) {
+ printf("Unable to set start threshold mode for %s: %s\n", id, snd_strerror(err));
+ return err;
+ }
+ if (!block)
+ val = 4;
+ else
+ snd_pcm_hw_params_get_period_size(params, &val, NULL);
+ err = snd_pcm_sw_params_set_avail_min(handle, swparams, val);
+ if (err < 0) {
+ printf("Unable to set avail min for %s: %s\n", id, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_sw_params(handle, swparams);
+ if (err < 0) {
+ printf("Unable to set sw params for %s: %s\n", id, snd_strerror(err));
+ return err;
+ }
+ return 0;
+}
+
+int setparams(snd_pcm_t *phandle, snd_pcm_t *chandle, int *bufsize)
+{
+ int err, last_bufsize = *bufsize;
+ snd_pcm_hw_params_t *pt_params, *ct_params; /* templates with rate, format and channels */
+ snd_pcm_hw_params_t *p_params, *c_params;
+ snd_pcm_sw_params_t *p_swparams, *c_swparams;
+ snd_pcm_uframes_t p_size, c_size, p_psize, c_psize;
+ unsigned int p_time, c_time;
+ unsigned int val;
+
+ snd_pcm_hw_params_alloca(&p_params);
+ snd_pcm_hw_params_alloca(&c_params);
+ snd_pcm_hw_params_alloca(&pt_params);
+ snd_pcm_hw_params_alloca(&ct_params);
+ snd_pcm_sw_params_alloca(&p_swparams);
+ snd_pcm_sw_params_alloca(&c_swparams);
+ if ((err = setparams_stream(phandle, pt_params, "playback")) < 0) {
+ printf("Unable to set parameters for playback stream: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ if ((err = setparams_stream(chandle, ct_params, "capture")) < 0) {
+ printf("Unable to set parameters for playback stream: %s\n", snd_strerror(err));
+ exit(0);
+ }
+
+ if (buffer_size > 0) {
+ *bufsize = buffer_size;
+ goto __set_it;
+ }
+
+ __again:
+ if (buffer_size > 0)
+ return -1;
+ if (last_bufsize == *bufsize)
+ *bufsize += 4;
+ last_bufsize = *bufsize;
+ if (*bufsize > latency_max)
+ return -1;
+ __set_it:
+ if ((err = setparams_bufsize(phandle, p_params, pt_params, *bufsize, "playback")) < 0) {
+ printf("Unable to set sw parameters for playback stream: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ if ((err = setparams_bufsize(chandle, c_params, ct_params, *bufsize, "capture")) < 0) {
+ printf("Unable to set sw parameters for playback stream: %s\n", snd_strerror(err));
+ exit(0);
+ }
+
+ snd_pcm_hw_params_get_period_size(p_params, &p_psize, NULL);
+ if (p_psize > (unsigned int)*bufsize)
+ *bufsize = p_psize;
+ snd_pcm_hw_params_get_period_size(c_params, &c_psize, NULL);
+ if (c_psize > (unsigned int)*bufsize)
+ *bufsize = c_psize;
+ snd_pcm_hw_params_get_period_time(p_params, &p_time, NULL);
+ snd_pcm_hw_params_get_period_time(c_params, &c_time, NULL);
+ if (p_time != c_time)
+ goto __again;
+
+ snd_pcm_hw_params_get_buffer_size(p_params, &p_size);
+ if (p_psize * 2 < p_size) {
+ snd_pcm_hw_params_get_periods_min(p_params, &val, NULL);
+ if (val > 2) {
+ printf("playback device does not support 2 periods per buffer\n");
+ exit(0);
+ }
+ goto __again;
+ }
+ snd_pcm_hw_params_get_buffer_size(c_params, &c_size);
+ if (c_psize * 2 < c_size) {
+ snd_pcm_hw_params_get_periods_min(c_params, &val, NULL);
+ if (val > 2 ) {
+ printf("capture device does not support 2 periods per buffer\n");
+ exit(0);
+ }
+ goto __again;
+ }
+ if ((err = setparams_set(phandle, p_params, p_swparams, "playback")) < 0) {
+ printf("Unable to set sw parameters for playback stream: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ if ((err = setparams_set(chandle, c_params, c_swparams, "capture")) < 0) {
+ printf("Unable to set sw parameters for playback stream: %s\n", snd_strerror(err));
+ exit(0);
+ }
+
+ if ((err = snd_pcm_prepare(phandle)) < 0) {
+ printf("Prepare error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+
+ snd_pcm_dump(phandle, output);
+ snd_pcm_dump(chandle, output);
+ fflush(stdout);
+ return 0;
+}
+
+void showstat(snd_pcm_t *handle, size_t frames)
+{
+ int err;
+ snd_pcm_status_t *status;
+
+ snd_pcm_status_alloca(&status);
+ if ((err = snd_pcm_status(handle, status)) < 0) {
+ printf("Stream status error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ printf("*** frames = %li ***\n", (long)frames);
+ snd_pcm_status_dump(status, output);
+}
+
+void showlatency(size_t latency)
+{
+ double d;
+ latency *= 2;
+ d = (double)latency / (double)rate;
+ printf("Trying latency %li frames, %.3fus, %.6fms (%.4fHz)\n", (long)latency, d * 1000000, d * 1000, (double)1 / d);
+}
+
+void showinmax(size_t in_max)
+{
+ double d;
+
+ printf("Maximum read: %li frames\n", (long)in_max);
+ d = (double)in_max / (double)rate;
+ printf("Maximum read latency: %.3fus, %.6fms (%.4fHz)\n", d * 1000000, d * 1000, (double)1 / d);
+}
+
+void gettimestamp(snd_pcm_t *handle, snd_timestamp_t *timestamp)
+{
+ int err;
+ snd_pcm_status_t *status;
+
+ snd_pcm_status_alloca(&status);
+ if ((err = snd_pcm_status(handle, status)) < 0) {
+ printf("Stream status error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ snd_pcm_status_get_trigger_tstamp(status, timestamp);
+}
+
+void setscheduler(void)
+{
+ struct sched_param sched_param;
+
+ if (sched_getparam(0, &sched_param) < 0) {
+ printf("Scheduler getparam failed...\n");
+ return;
+ }
+ sched_param.sched_priority = sched_get_priority_max(SCHED_RR);
+ if (!sched_setscheduler(0, SCHED_RR, &sched_param)) {
+ printf("Scheduler set to Round Robin with priority %i...\n", sched_param.sched_priority);
+ fflush(stdout);
+ return;
+ }
+ printf("!!!Scheduler set to Round Robin with priority %i FAILED!!!\n", sched_param.sched_priority);
+}
+
+long timediff(snd_timestamp_t t1, snd_timestamp_t t2)
+{
+ signed long l;
+
+ t1.tv_sec -= t2.tv_sec;
+ l = (signed long) t1.tv_usec - (signed long) t2.tv_usec;
+ if (l < 0) {
+ t1.tv_sec--;
+ l = 1000000 + l;
+ l %= 1000000;
+ }
+ return (t1.tv_sec * 1000000) + l;
+}
+
+long readbuf(snd_pcm_t *handle, char *buf, long len, size_t *frames, size_t *max)
+{
+ long r;
+
+ if (!block) {
+ do {
+ r = snd_pcm_readi(handle, buf, len);
+ } while (r == -EAGAIN);
+ if (r > 0) {
+ *frames += r;
+ if ((long)*max < r)
+ *max = r;
+ }
+ // printf("read = %li\n", r);
+ } else {
+ int frame_bytes = (snd_pcm_format_width(format) / 8) * channels;
+ do {
+ r = snd_pcm_readi(handle, buf, len);
+ if (r > 0) {
+ buf += r * frame_bytes;
+ len -= r;
+ *frames += r;
+ if ((long)*max < r)
+ *max = r;
+ }
+ // printf("r = %li, len = %li\n", r, len);
+ } while (r >= 1 && len > 0);
+ }
+ // showstat(handle, 0);
+ return r;
+}
+
+long writebuf(snd_pcm_t *handle, char *buf, long len, size_t *frames)
+{
+ long r;
+
+ while (len > 0) {
+ r = snd_pcm_writei(handle, buf, len);
+ if (r == -EAGAIN)
+ continue;
+ // printf("write = %li\n", r);
+ if (r < 0)
+ return r;
+ // showstat(handle, 0);
+ buf += r * 4;
+ len -= r;
+ *frames += r;
+ }
+ return 0;
+}
+
+#define FILTERSWEEP_LFO_CENTER 2000.
+#define FILTERSWEEP_LFO_DEPTH 1800.
+#define FILTERSWEEP_LFO_FREQ 0.2
+#define FILTER_BANDWIDTH 50
+
+/* filter the sweep variables */
+float lfo,dlfo,fs,fc,BW,C,D,a0,a1,a2,b1,b2,*x[3],*y[3];
+
+void applyeffect(char* buffer,int r)
+{
+ short* samples = (short*) buffer;
+ int i;
+ for (i=0;i<r;i++)
+ {
+ int chn;
+
+ fc = sin(lfo)*FILTERSWEEP_LFO_DEPTH+FILTERSWEEP_LFO_CENTER;
+ lfo += dlfo;
+ if (lfo>2.*M_PI) lfo -= 2.*M_PI;
+ C = 1./tan(M_PI*BW/fs);
+ D = 2.*cos(2*M_PI*fc/fs);
+ a0 = 1./(1.+C);
+ a1 = 0;
+ a2 = -a0;
+ b1 = -C*D*a0;
+ b2 = (C-1)*a0;
+
+ for (chn=0;chn<channels;chn++)
+ {
+ x[chn][2] = x[chn][1];
+ x[chn][1] = x[chn][0];
+
+ y[chn][2] = y[chn][1];
+ y[chn][1] = y[chn][0];
+
+ x[chn][0] = samples[i*channels+chn];
+ y[chn][0] = a0*x[chn][0] + a1*x[chn][1] + a2*x[chn][2]
+ - b1*y[chn][1] - b2*y[chn][2];
+ samples[i*channels+chn] = y[chn][0];
+ }
+ }
+}
+
+void help(void)
+{
+ int k;
+ printf(
+"Usage: latency [OPTION]... [FILE]...\n"
+"-h,--help help\n"
+"-P,--pdevice playback device\n"
+"-C,--cdevice capture device\n"
+"-m,--min minimum latency in frames\n"
+"-M,--max maximum latency in frames\n"
+"-F,--frames frames to transfer\n"
+"-f,--format sample format\n"
+"-c,--channels channels\n"
+"-r,--rate rate\n"
+"-B,--buffer buffer size in frames\n"
+"-E,--period period size in frames\n"
+"-s,--seconds duration of test in seconds\n"
+"-b,--block block mode\n"
+"-p,--poll use poll (wait for event - reduces CPU usage)\n"
+"-e,--effect apply an effect (bandpass filter sweep)\n"
+);
+ printf("Recognized sample formats are:");
+ for (k = 0; k < SND_PCM_FORMAT_LAST; ++k) {
+ const char *s = snd_pcm_format_name(k);
+ if (s)
+ printf(" %s", s);
+ }
+ printf("\n\n");
+ printf(
+"Tip #1 (usable latency with large periods, non-blocking mode, good CPU usage,\n"
+" superb xrun prevention):\n"
+" latency -m 8192 -M 8192 -t 1 -p\n"
+"Tip #2 (superb latency, non-blocking mode, but heavy CPU usage):\n"
+" latency -m 128 -M 128\n"
+);
+}
+
+int main(int argc, char *argv[])
+{
+ struct option long_option[] =
+ {
+ {"help", 0, NULL, 'h'},
+ {"pdevice", 1, NULL, 'P'},
+ {"cdevice", 1, NULL, 'C'},
+ {"min", 1, NULL, 'm'},
+ {"max", 1, NULL, 'M'},
+ {"frames", 1, NULL, 'F'},
+ {"format", 1, NULL, 'f'},
+ {"channels", 1, NULL, 'c'},
+ {"rate", 1, NULL, 'r'},
+ {"buffer", 1, NULL, 'B'},
+ {"period", 1, NULL, 'E'},
+ {"seconds", 1, NULL, 's'},
+ {"block", 0, NULL, 'b'},
+ {"poll", 0, NULL, 'p'},
+ {"effect", 0, NULL, 'e'},
+ {NULL, 0, NULL, 0},
+ };
+ snd_pcm_t *phandle, *chandle;
+ char *buffer;
+ int err, latency, morehelp;
+ int ok;
+ snd_timestamp_t p_tstamp, c_tstamp;
+ ssize_t r;
+ size_t frames_in, frames_out, in_max;
+ int effect = 0;
+ morehelp = 0;
+ while (1) {
+ int c;
+ if ((c = getopt_long(argc, argv, "hP:C:m:M:F:f:c:r:B:E:s:bpen", long_option, NULL)) < 0)
+ break;
+ switch (c) {
+ case 'h':
+ morehelp++;
+ break;
+ case 'P':
+ pdevice = strdup(optarg);
+ break;
+ case 'C':
+ cdevice = strdup(optarg);
+ break;
+ case 'm':
+ err = atoi(optarg) / 2;
+ latency_min = err >= 4 ? err : 4;
+ if (latency_max < latency_min)
+ latency_max = latency_min;
+ break;
+ case 'M':
+ err = atoi(optarg) / 2;
+ latency_max = latency_min > err ? latency_min : err;
+ break;
+ case 'f':
+ format = snd_pcm_format_value(optarg);
+ if (format == SND_PCM_FORMAT_UNKNOWN) {
+ printf("Unknown format, setting to default S16_LE\n");
+ format = SND_PCM_FORMAT_S16_LE;
+ }
+ break;
+ case 'c':
+ err = atoi(optarg);
+ channels = err >= 1 && err < 1024 ? err : 1;
+ break;
+ case 'r':
+ err = atoi(optarg);
+ rate = err >= 4000 && err < 200000 ? err : 44100;
+ break;
+ case 'B':
+ err = atoi(optarg);
+ buffer_size = err >= 32 && err < 200000 ? err : 0;
+ break;
+ case 'E':
+ err = atoi(optarg);
+ period_size = err >= 32 && err < 200000 ? err : 0;
+ break;
+ case 's':
+ err = atoi(optarg);
+ loop_sec = err >= 1 && err <= 100000 ? err : 30;
+ break;
+ case 'b':
+ block = 1;
+ break;
+ case 'p':
+ use_poll = 1;
+ break;
+ case 'e':
+ effect = 1;
+ break;
+ case 'n':
+ resample = 0;
+ break;
+ }
+ }
+
+ if (morehelp) {
+ help();
+ return 0;
+ }
+ err = snd_output_stdio_attach(&output, stdout, 0);
+ if (err < 0) {
+ printf("Output failed: %s\n", snd_strerror(err));
+ return 0;
+ }
+
+ loop_limit = loop_sec * rate;
+ latency = latency_min - 4;
+ buffer = malloc((latency_max * snd_pcm_format_width(format) / 8) * 2);
+
+ setscheduler();
+
+ printf("Playback device is %s\n", pdevice);
+ printf("Capture device is %s\n", cdevice);
+ printf("Parameters are %iHz, %s, %i channels, %s mode\n", rate, snd_pcm_format_name(format), channels, block ? "blocking" : "non-blocking");
+ printf("Poll mode: %s\n", use_poll ? "yes" : "no");
+ printf("Loop limit is %li frames, minimum latency = %i, maximum latency = %i\n", loop_limit, latency_min * 2, latency_max * 2);
+
+ if ((err = snd_pcm_open(&phandle, pdevice, SND_PCM_STREAM_PLAYBACK, block ? 0 : SND_PCM_NONBLOCK)) < 0) {
+ printf("Playback open error: %s\n", snd_strerror(err));
+ return 0;
+ }
+ if ((err = snd_pcm_open(&chandle, cdevice, SND_PCM_STREAM_CAPTURE, block ? 0 : SND_PCM_NONBLOCK)) < 0) {
+ printf("Record open error: %s\n", snd_strerror(err));
+ return 0;
+ }
+
+ /* initialize the filter sweep variables */
+ if (effect) {
+ fs = (float) rate;
+ BW = FILTER_BANDWIDTH;
+
+ lfo = 0;
+ dlfo = 2.*M_PI*FILTERSWEEP_LFO_FREQ/fs;
+
+ x[0] = (float*) malloc(channels*sizeof(float));
+ x[1] = (float*) malloc(channels*sizeof(float));
+ x[2] = (float*) malloc(channels*sizeof(float));
+ y[0] = (float*) malloc(channels*sizeof(float));
+ y[1] = (float*) malloc(channels*sizeof(float));
+ y[2] = (float*) malloc(channels*sizeof(float));
+ }
+
+ while (1) {
+ frames_in = frames_out = 0;
+ if (setparams(phandle, chandle, &latency) < 0)
+ break;
+ showlatency(latency);
+ if ((err = snd_pcm_link(chandle, phandle)) < 0) {
+ printf("Streams link error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ if (snd_pcm_format_set_silence(format, buffer, latency*channels) < 0) {
+ fprintf(stderr, "silence error\n");
+ break;
+ }
+ if (writebuf(phandle, buffer, latency, &frames_out) < 0) {
+ fprintf(stderr, "write error\n");
+ break;
+ }
+ if (writebuf(phandle, buffer, latency, &frames_out) < 0) {
+ fprintf(stderr, "write error\n");
+ break;
+ }
+
+ if ((err = snd_pcm_start(chandle)) < 0) {
+ printf("Go error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ gettimestamp(phandle, &p_tstamp);
+ gettimestamp(chandle, &c_tstamp);
+#if 0
+ printf("Playback:\n");
+ showstat(phandle, frames_out);
+ printf("Capture:\n");
+ showstat(chandle, frames_in);
+#endif
+
+ ok = 1;
+ in_max = 0;
+ while (ok && frames_in < loop_limit) {
+ if (use_poll) {
+ /* use poll to wait for next event */
+ snd_pcm_wait(chandle, 1000);
+ }
+ if ((r = readbuf(chandle, buffer, latency, &frames_in, &in_max)) < 0)
+ ok = 0;
+ else {
+ if (effect)
+ applyeffect(buffer,r);
+ if (writebuf(phandle, buffer, r, &frames_out) < 0)
+ ok = 0;
+ }
+ }
+ if (ok)
+ printf("Success\n");
+ else
+ printf("Failure\n");
+ printf("Playback:\n");
+ showstat(phandle, frames_out);
+ printf("Capture:\n");
+ showstat(chandle, frames_in);
+ showinmax(in_max);
+ if (p_tstamp.tv_sec == p_tstamp.tv_sec &&
+ p_tstamp.tv_usec == c_tstamp.tv_usec)
+ printf("Hardware sync\n");
+ snd_pcm_drop(chandle);
+ snd_pcm_nonblock(phandle, 0);
+ snd_pcm_drain(phandle);
+ snd_pcm_nonblock(phandle, !block ? 1 : 0);
+ if (ok) {
+#if 1
+ printf("Playback time = %li.%i, Record time = %li.%i, diff = %li\n",
+ p_tstamp.tv_sec,
+ (int)p_tstamp.tv_usec,
+ c_tstamp.tv_sec,
+ (int)c_tstamp.tv_usec,
+ timediff(p_tstamp, c_tstamp));
+#endif
+ break;
+ }
+ snd_pcm_unlink(chandle);
+ snd_pcm_hw_free(phandle);
+ snd_pcm_hw_free(chandle);
+ }
+ snd_pcm_close(phandle);
+ snd_pcm_close(chandle);
+ return 0;
+}
diff --git a/test/lsb/Makefile.am b/test/lsb/Makefile.am
new file mode 100644
index 0000000..ceb4d71
--- /dev/null
+++ b/test/lsb/Makefile.am
@@ -0,0 +1,7 @@
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+TESTS += midi_event
+check_PROGRAMS = $(TESTS)
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+
+AM_CFLAGS = -Wall -pipe
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diff --git a/test/lsb/Makefile.in b/test/lsb/Makefile.in
new file mode 100644
index 0000000..bf70c02
--- /dev/null
+++ b/test/lsb/Makefile.in
@@ -0,0 +1,661 @@
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+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/test/lsb/config.c b/test/lsb/config.c
new file mode 100644
index 0000000..3503798
--- /dev/null
+++ b/test/lsb/config.c
@@ -0,0 +1,582 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include "test.h"
+
+static int configs_equal(snd_config_t *c1, snd_config_t *c2);
+
+/* checks if all children of c1 also occur in c2 */
+static int subset_of(snd_config_t *c1, snd_config_t *c2)
+{
+ snd_config_iterator_t i, next;
+ snd_config_t *e1, *e2;
+ const char *id;
+
+ snd_config_for_each(i, next, c1) {
+ e1 = snd_config_iterator_entry(i);
+ if (snd_config_get_id(e1, &id) < 0 || !id)
+ return 0;
+ if (snd_config_search(c2, id, &e2) < 0)
+ return 0;
+ if (!configs_equal(e1, e2))
+ return 0;
+ }
+ return 1;
+}
+
+/* checks if two configuration nodes are equal */
+static int configs_equal(snd_config_t *c1, snd_config_t *c2)
+{
+ long i1, i2;
+ long long i641, i642;
+ const char *s1, *s2;
+
+ if (snd_config_get_type(c1) != snd_config_get_type(c2))
+ return 0;
+ switch (snd_config_get_type(c1)) {
+ case SND_CONFIG_TYPE_INTEGER:
+ return snd_config_get_integer(c1, &i1) >= 0 &&
+ snd_config_get_integer(c2, &i2) >= 0 &&
+ i1 == i2;
+ case SND_CONFIG_TYPE_INTEGER64:
+ return snd_config_get_integer64(c1, &i641) >= 0 &&
+ snd_config_get_integer64(c2, &i642) >= 0 &&
+ i641 == i642;
+ case SND_CONFIG_TYPE_STRING:
+ return snd_config_get_string(c1, &s1) >= 0 &&
+ snd_config_get_string(c2, &s2) >= 0 &&
+ !s1 == !s2 &&
+ (!s1 || !strcmp(s1, s2));
+ case SND_CONFIG_TYPE_COMPOUND:
+ return subset_of(c1, c2) && subset_of(c2, c1);
+ default:
+ fprintf(stderr, "unknown configuration node type %d\n",
+ (int)snd_config_get_type(c1));
+ return 0;
+ }
+}
+
+static void test_top(void)
+{
+ snd_config_t *top;
+ const char *id;
+
+ if (ALSA_CHECK(snd_config_top(&top)) < 0)
+ return;
+
+ TEST_CHECK(snd_config_get_type(top) == SND_CONFIG_TYPE_COMPOUND);
+ TEST_CHECK(snd_config_iterator_first(top) == snd_config_iterator_end(top));
+ TEST_CHECK(snd_config_get_id(top, &id) >= 0 && id == NULL);
+
+ ALSA_CHECK(snd_config_delete(top));
+}
+
+static void test_load(void)
+{
+ const char *config_text1 = "s='world';";
+ const char *config_text2 = "c.elem 0";
+ snd_config_t *loaded, *made, *c, *c2;
+ snd_input_t *input;
+
+ ALSA_CHECK(snd_config_top(&loaded));
+ ALSA_CHECK(snd_config_imake_integer(&c, "i", 42));
+ ALSA_CHECK(snd_config_add(loaded, c));
+ ALSA_CHECK(snd_config_imake_string(&c, "s", "hello"));
+ ALSA_CHECK(snd_config_add(loaded, c));
+
+ ALSA_CHECK(snd_config_top(&made));
+ ALSA_CHECK(snd_config_imake_string(&c, "s", "world"));
+ ALSA_CHECK(snd_config_add(made, c));
+ ALSA_CHECK(snd_config_imake_integer(&c, "i", 42));
+ ALSA_CHECK(snd_config_add(made, c));
+
+ ALSA_CHECK(snd_input_buffer_open(&input, config_text1, strlen(config_text1)));
+ ALSA_CHECK(snd_config_load(loaded, input));
+ ALSA_CHECK(snd_input_close(input));
+ TEST_CHECK(configs_equal(loaded, made));
+
+ ALSA_CHECK(snd_config_make_compound(&c, "c", 0));
+ ALSA_CHECK(snd_config_add(made, c));
+ ALSA_CHECK(snd_config_imake_integer(&c2, "elem", 0));
+ ALSA_CHECK(snd_config_add(c, c2));
+
+ ALSA_CHECK(snd_input_buffer_open(&input, config_text2, strlen(config_text2)));
+ ALSA_CHECK(snd_config_load(loaded, input));
+ ALSA_CHECK(snd_input_close(input));
+ TEST_CHECK(configs_equal(loaded, made));
+
+ ALSA_CHECK(snd_config_delete(loaded));
+ ALSA_CHECK(snd_config_delete(made));
+}
+
+static void test_save(void)
+{
+ const char *text =
+ "a.b.c 'x.y.z'\n"
+ "xxx = yyy;\n"
+ "q { qq=qqq }\n"
+ "a [ 1 2 3 4 5 '...' ]\n";
+ snd_config_t *orig, *saved;
+ snd_input_t *input;
+ snd_output_t *output;
+ char *buf;
+ size_t buf_size;
+
+ ALSA_CHECK(snd_input_buffer_open(&input, text, strlen(text)));
+ ALSA_CHECK(snd_config_top(&orig));
+ ALSA_CHECK(snd_config_load(orig, input));
+ ALSA_CHECK(snd_input_close(input));
+ ALSA_CHECK(snd_output_buffer_open(&output));
+ ALSA_CHECK(snd_config_save(orig, output));
+ buf_size = snd_output_buffer_string(output, &buf);
+ ALSA_CHECK(snd_input_buffer_open(&input, buf, buf_size));
+ ALSA_CHECK(snd_config_top(&saved));
+ ALSA_CHECK(snd_config_load(saved, input));
+ ALSA_CHECK(snd_input_close(input));
+ ALSA_CHECK(snd_output_close(output));
+ TEST_CHECK(configs_equal(orig, saved));
+ ALSA_CHECK(snd_config_delete(orig));
+ ALSA_CHECK(snd_config_delete(saved));
+}
+
+static void test_update(void)
+{
+ ALSA_CHECK(snd_config_update_free_global());
+ TEST_CHECK(snd_config == NULL);
+ ALSA_CHECK(snd_config_update());
+ TEST_CHECK(snd_config_get_type(snd_config) == SND_CONFIG_TYPE_COMPOUND);
+ ALSA_CHECK(snd_config_update());
+ TEST_CHECK(snd_config_get_type(snd_config) == SND_CONFIG_TYPE_COMPOUND);
+ ALSA_CHECK(snd_config_update_free_global());
+ TEST_CHECK(snd_config == NULL);
+}
+
+static void test_search(void)
+{
+ const char *text =
+ "a 42\n"
+ "b {\n"
+ " c cee\n"
+ " d {\n"
+ " e 2.71828\n"
+ " }\n"
+ "}\n";
+ snd_input_t *input;
+ snd_config_t *top, *c;
+ const char *id;
+
+ ALSA_CHECK(snd_input_buffer_open(&input, text, strlen(text)));
+ ALSA_CHECK(snd_config_top(&top));
+ ALSA_CHECK(snd_config_load(top, input));
+ ALSA_CHECK(snd_input_close(input));
+
+ ALSA_CHECK(snd_config_search(top, "a", &c));
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "a"));
+ ALSA_CHECK(snd_config_search(top, "b.d.e", &c));
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "e"));
+ ALSA_CHECK(snd_config_search(top, "b.c", NULL));
+ TEST_CHECK(snd_config_search(top, "x", NULL) == -ENOENT);
+ TEST_CHECK(snd_config_search(top, "b.y", &c) == -ENOENT);
+ TEST_CHECK(snd_config_search(top, "a.z", &c) == -ENOENT);
+
+ ALSA_CHECK(snd_config_delete(top));
+}
+
+static void test_searchv(void)
+{
+ const char *text =
+ "a 42\n"
+ "b {\n"
+ " c cee\n"
+ " d {\n"
+ " e 2.71828\n"
+ " }\n"
+ "}\n";
+ snd_input_t *input;
+ snd_config_t *top, *c;
+ const char *id;
+
+ ALSA_CHECK(snd_input_buffer_open(&input, text, strlen(text)));
+ ALSA_CHECK(snd_config_top(&top));
+ ALSA_CHECK(snd_config_load(top, input));
+ ALSA_CHECK(snd_input_close(input));
+
+ ALSA_CHECK(snd_config_searchv(top, &c, "a", NULL));
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "a"));
+ ALSA_CHECK(snd_config_searchv(top, &c, "b", "d.e", NULL));
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "e"));
+ ALSA_CHECK(snd_config_searchv(top, NULL, "b.c", NULL));
+ TEST_CHECK(snd_config_searchv(top, NULL, "x", NULL) == -ENOENT);
+ TEST_CHECK(snd_config_searchv(top, &c, "b.y", NULL) == -ENOENT);
+ TEST_CHECK(snd_config_searchv(top, &c, "a", "z", NULL) == -ENOENT);
+
+ ALSA_CHECK(snd_config_delete(top));
+}
+
+static void test_add(void)
+{
+ snd_config_t *c1, *c2, *c3, *c4, *c5;
+ snd_config_iterator_t i;
+ unsigned int count = 0;
+
+ ALSA_CHECK(snd_config_top(&c1));
+ ALSA_CHECK(snd_config_imake_integer(&c2, "c2", 0xc2));
+ ALSA_CHECK(snd_config_add(c1, c2));
+ ALSA_CHECK(snd_config_imake_string(&c3, "c3", "c3"));
+ ALSA_CHECK(snd_config_add(c1, c3));
+ for (i = snd_config_iterator_first(c1);
+ i != snd_config_iterator_end(c1);
+ i = snd_config_iterator_next(i))
+ ++count;
+ TEST_CHECK(count == 2);
+ ALSA_CHECK(snd_config_search(c1, "c2", &c2));
+ ALSA_CHECK(snd_config_search(c1, "c3", &c3));
+ ALSA_CHECK(snd_config_top(&c4));
+ TEST_CHECK(snd_config_add(c1, c4) == -EINVAL);
+ ALSA_CHECK(snd_config_imake_integer(&c5, "c5", 5));
+ ALSA_CHECK(snd_config_add(c4, c5));
+ TEST_CHECK(snd_config_add(c1, c5) == -EINVAL);
+ ALSA_CHECK(snd_config_delete(c4));
+ ALSA_CHECK(snd_config_imake_integer(&c3, "c3", 333));
+ TEST_CHECK(snd_config_add(c1, c3) == -EEXIST);
+ ALSA_CHECK(snd_config_delete(c3));
+ ALSA_CHECK(snd_config_delete(c1));
+}
+
+static void test_delete(void)
+{
+ snd_config_t *c;
+
+ ALSA_CHECK(snd_config_top(&c));
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_imake_string(&c, "s", "..."));
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_copy(void)
+{
+ snd_config_t *c1, *c2, *c3;
+ long value;
+
+ ALSA_CHECK(snd_config_imake_integer(&c1, "c1", 123));
+ ALSA_CHECK(snd_config_copy(&c2, c1));
+ ALSA_CHECK(snd_config_set_integer(c1, 456));
+ TEST_CHECK(snd_config_get_type(c2) == SND_CONFIG_TYPE_INTEGER);
+ ALSA_CHECK(snd_config_get_integer(c2, &value));
+ TEST_CHECK(value == 123);
+ ALSA_CHECK(snd_config_delete(c1));
+ ALSA_CHECK(snd_config_delete(c2));
+ ALSA_CHECK(snd_config_top(&c1));
+ ALSA_CHECK(snd_config_imake_integer(&c2, "a", 1));
+ ALSA_CHECK(snd_config_add(c1, c2));
+ ALSA_CHECK(snd_config_copy(&c3, c1));
+ ALSA_CHECK(snd_config_set_integer(c2, 2));
+ TEST_CHECK(!configs_equal(c1, c3));
+ ALSA_CHECK(snd_config_search(c3, "a", &c2));
+ ALSA_CHECK(snd_config_set_integer(c2, 2));
+ TEST_CHECK(configs_equal(c1, c3));
+ ALSA_CHECK(snd_config_delete(c1));
+ ALSA_CHECK(snd_config_delete(c3));
+}
+
+static void test_make_integer(void)
+{
+ snd_config_t *c;
+ const char *id;
+ long value;
+
+ ALSA_CHECK(snd_config_make_integer(&c, "i"));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_INTEGER);
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "i"));
+ ALSA_CHECK(snd_config_get_integer(c, &value));
+ TEST_CHECK(value == 0);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_make_integer64(void)
+{
+ snd_config_t *c;
+ const char *id;
+ long long value;
+
+ ALSA_CHECK(snd_config_make_integer64(&c, "i"));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_INTEGER64);
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "i"));
+ ALSA_CHECK(snd_config_get_integer64(c, &value));
+ TEST_CHECK(value == 0);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_make_string(void)
+{
+ snd_config_t *c;
+ const char *id;
+ const char *value;
+
+ ALSA_CHECK(snd_config_make_string(&c, "s"));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_STRING);
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "s"));
+ ALSA_CHECK(snd_config_get_string(c, &value));
+ TEST_CHECK(value == NULL);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_make_compound(void)
+{
+ snd_config_t *c;
+ const char *id;
+
+ ALSA_CHECK(snd_config_make_compound(&c, "c", 0));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_COMPOUND);
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "c"));
+ TEST_CHECK(snd_config_iterator_first(c) == snd_config_iterator_end(c));
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_imake_integer(void)
+{
+ snd_config_t *c;
+ const char *id;
+ long value;
+
+ ALSA_CHECK(snd_config_imake_integer(&c, "i", 123));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_INTEGER);
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "i"));
+ ALSA_CHECK(snd_config_get_integer(c, &value));
+ TEST_CHECK(value == 123);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_imake_integer64(void)
+{
+ snd_config_t *c;
+ const char *id;
+ long long value;
+
+ ALSA_CHECK(snd_config_imake_integer64(&c, "i", 123456789012345LL));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_INTEGER64);
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "i"));
+ ALSA_CHECK(snd_config_get_integer64(c, &value));
+ TEST_CHECK(value == 123456789012345LL);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_imake_string(void)
+{
+ snd_config_t *c;
+ const char *id;
+ const char *value;
+
+ ALSA_CHECK(snd_config_imake_string(&c, "s", "xyzzy"));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_STRING);
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "s"));
+ ALSA_CHECK(snd_config_get_string(c, &value));
+ TEST_CHECK(!strcmp(value, "xyzzy"));
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_get_type(void)
+{
+ snd_config_t *c;
+
+ ALSA_CHECK(snd_config_top(&c));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_COMPOUND);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_make_integer(&c, "i"));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_INTEGER);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_make_string(&c, "s"));
+ TEST_CHECK(snd_config_get_type(c) == SND_CONFIG_TYPE_STRING);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_set_integer(void)
+{
+ snd_config_t *c;
+ long value;
+
+ ALSA_CHECK(snd_config_make_integer(&c, "i"));
+ ALSA_CHECK(snd_config_set_integer(c, 123));
+ ALSA_CHECK(snd_config_get_integer(c, &value));
+ TEST_CHECK(value == 123);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_make_string(&c, "s"));
+ TEST_CHECK(snd_config_set_integer(c, 123) == -EINVAL);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_set_integer64(void)
+{
+ snd_config_t *c;
+ long long value;
+
+ ALSA_CHECK(snd_config_make_integer64(&c, "i"));
+ ALSA_CHECK(snd_config_set_integer64(c, 123456789012345LL));
+ ALSA_CHECK(snd_config_get_integer64(c, &value));
+ TEST_CHECK(value == 123456789012345LL);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_make_string(&c, "s"));
+ TEST_CHECK(snd_config_set_integer64(c, 123) == -EINVAL);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_set_string(void)
+{
+ snd_config_t *c;
+ const char *value;
+
+ ALSA_CHECK(snd_config_make_string(&c, "s"));
+ ALSA_CHECK(snd_config_set_string(c, "string"));
+ ALSA_CHECK(snd_config_get_string(c, &value));
+ TEST_CHECK(!strcmp(value, "string"));
+ ALSA_CHECK(snd_config_set_string(c, NULL));
+ ALSA_CHECK(snd_config_get_string(c, &value));
+ TEST_CHECK(value == NULL);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_make_integer(&c, "i"));
+ TEST_CHECK(snd_config_set_string(c, "") == -EINVAL);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_set_ascii(void)
+{
+ snd_config_t *c;
+ const char *s;
+ long i;
+
+ ALSA_CHECK(snd_config_make_string(&c, "s"));
+ ALSA_CHECK(snd_config_set_ascii(c, "foo"));
+ ALSA_CHECK(snd_config_get_string(c, &s));
+ TEST_CHECK(!strcmp(s, "foo"));
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_make_integer(&c, "i"));
+ ALSA_CHECK(snd_config_set_ascii(c, "23"));
+ ALSA_CHECK(snd_config_get_integer(c, &i));
+ TEST_CHECK(i == 23);
+ TEST_CHECK(snd_config_set_ascii(c, "half blue") == -EINVAL);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_top(&c));
+ TEST_CHECK(snd_config_set_ascii(c, "0") == -EINVAL);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_get_id(void)
+{
+ snd_config_t *c;
+ const char *id;
+
+ ALSA_CHECK(snd_config_make_integer(&c, "my_id"));
+ ALSA_CHECK(snd_config_get_id(c, &id));
+ TEST_CHECK(!strcmp(id, "my_id"));
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+#define test_get_integer test_set_integer
+#define test_get_integer64 test_set_integer64
+#define test_get_string test_set_string
+
+static void test_get_ascii(void)
+{
+ snd_config_t *c;
+ char *value;
+
+ ALSA_CHECK(snd_config_imake_integer(&c, "i", 123));
+ ALSA_CHECK(snd_config_get_ascii(c, &value));
+ TEST_CHECK(!strcmp(value, "123"));
+ free(value);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_imake_string(&c, "s", "bar"));
+ ALSA_CHECK(snd_config_get_ascii(c, &value));
+ TEST_CHECK(!strcmp(value, "bar"));
+ free(value);
+ ALSA_CHECK(snd_config_delete(c));
+ ALSA_CHECK(snd_config_top(&c));
+ TEST_CHECK(snd_config_get_ascii(c, &value) == -EINVAL);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_iterators(void)
+{
+ snd_config_t *c, *c2;
+ snd_config_iterator_t i;
+ long v;
+
+ ALSA_CHECK(snd_config_top(&c));
+ i = snd_config_iterator_first(c);
+ TEST_CHECK(i == snd_config_iterator_end(c));
+ ALSA_CHECK(snd_config_imake_integer(&c2, "one", 1));
+ ALSA_CHECK(snd_config_add(c, c2));
+ i = snd_config_iterator_first(c);
+ TEST_CHECK(i != snd_config_iterator_end(c));
+ c2 = snd_config_iterator_entry(i);
+ ALSA_CHECK(snd_config_get_integer(c2, &v));
+ TEST_CHECK(v == 1);
+ i = snd_config_iterator_next(i);
+ TEST_CHECK(i == snd_config_iterator_end(c));
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+static void test_for_each(void)
+{
+ snd_config_t *c, *c2;
+ snd_config_iterator_t i, next;
+ long v;
+ unsigned int count = 0;
+
+ ALSA_CHECK(snd_config_top(&c));
+ ALSA_CHECK(snd_config_imake_integer(&c2, "one", 1));
+ ALSA_CHECK(snd_config_add(c, c2));
+ snd_config_for_each(i, next, c) {
+ TEST_CHECK(i != snd_config_iterator_end(c));
+ c2 = snd_config_iterator_entry(i);
+ ALSA_CHECK(snd_config_get_integer(c2, &v));
+ TEST_CHECK(v == 1);
+ ++count;
+ }
+ TEST_CHECK(count == 1);
+ ALSA_CHECK(snd_config_delete(c));
+}
+
+int main(void)
+{
+ test_top();
+ test_load();
+ test_save();
+ test_update();
+ test_search();
+ test_searchv();
+ test_add();
+ test_delete();
+ test_copy();
+ test_make_integer();
+ test_make_integer64();
+ test_make_string();
+ test_make_compound();
+ test_imake_integer();
+ test_imake_integer64();
+ test_imake_string();
+ test_get_type();
+ test_set_integer();
+ test_set_integer64();
+ test_set_string();
+ test_set_ascii();
+ test_get_id();
+ test_get_integer();
+ test_get_integer64();
+ test_get_string();
+ test_get_ascii();
+ test_iterators();
+ test_for_each();
+ return TEST_EXIT_CODE();
+}
diff --git a/test/lsb/midi_event.c b/test/lsb/midi_event.c
new file mode 100644
index 0000000..2ae90a7
--- /dev/null
+++ b/test/lsb/midi_event.c
@@ -0,0 +1,371 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <regex.h>
+#include "test.h"
+
+/*
+ * Checks whether the regular expression matches the entire MIDI data, printed
+ * as hex.
+ */
+static int midi_matches_regex(unsigned char *midi, int count, const char *regex)
+{
+ char *text;
+ regex_t re;
+ regmatch_t match;
+ int i;
+
+ text = malloc(2 * count + 1);
+ if (!text)
+ return 0;
+ for (i = 0; i < count; ++i)
+ sprintf(text + 2 * i, "%02x", midi[i]);
+ if (regcomp(&re, regex, REG_EXTENDED) != 0) {
+ free(text);
+ return 0;
+ }
+ i = regexec(&re, text, 1, &match, 0);
+ i = i == 0 && match.rm_so == 0 && match.rm_eo == strlen(text);
+ regfree(&re);
+ free(text);
+ return i;
+}
+
+static void test_decode(void)
+{
+ snd_midi_event_t *midi_event;
+ snd_seq_event_t ev;
+ unsigned char buf[50];
+ int count;
+
+ if (ALSA_CHECK(snd_midi_event_new(256 /* ? */, &midi_event)) < 0)
+ return;
+
+#define DECODE() snd_midi_event_decode(midi_event, buf, sizeof(buf), &ev)
+#define BUF_MATCHES(str) midi_matches_regex(buf, count, str)
+#define DECODES_TO(str) ((count = DECODE()), BUF_MATCHES(str))
+
+ snd_seq_ev_clear(&ev);
+
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_NONE;
+ TEST_CHECK(DECODE() == -ENOENT);
+
+ snd_seq_ev_set_noteoff(&ev, 1, 2, 3);
+ TEST_CHECK(DECODES_TO("810203"));
+
+ snd_seq_ev_set_noteon(&ev, 4, 5, 6);
+ TEST_CHECK(DECODES_TO("940506"));
+
+ snd_seq_ev_set_keypress(&ev, 7, 8, 9);
+ TEST_CHECK(DECODES_TO("a70809"));
+
+ snd_seq_ev_set_controller(&ev, 10, 11, 12);
+ TEST_CHECK(DECODES_TO("ba0b0c"));
+
+ snd_seq_ev_set_pgmchange(&ev, 13, 14);
+ TEST_CHECK(DECODES_TO("cd0e"));
+
+ snd_seq_ev_set_chanpress(&ev, 15, 16);
+ TEST_CHECK(DECODES_TO("df10"));
+
+ snd_seq_ev_set_pitchbend(&ev, 1, 0x222);
+ TEST_CHECK(DECODES_TO("e12244"));
+
+ snd_seq_ev_set_sysex(&ev, 6, "\xf0\x7e\x7f\x06\x01\xf7");
+ TEST_CHECK(DECODES_TO("f07e7f0601f7"));
+
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_QFRAME;
+ ev.data.control.value = 3;
+ TEST_CHECK(DECODES_TO("f103"));
+
+ ev.type = SND_SEQ_EVENT_SONGPOS;
+ ev.data.control.value = 0x444;
+ TEST_CHECK(DECODES_TO("f24408"));
+
+ ev.type = SND_SEQ_EVENT_SONGSEL;
+ ev.data.control.value = 5;
+ TEST_CHECK(DECODES_TO("f305"));
+
+ ev.type = SND_SEQ_EVENT_TUNE_REQUEST;
+ TEST_CHECK(DECODES_TO("f6"));
+
+ ev.type = SND_SEQ_EVENT_CLOCK;
+ TEST_CHECK(DECODES_TO("f8"));
+
+ ev.type = SND_SEQ_EVENT_START;
+ TEST_CHECK(DECODES_TO("fa"));
+
+ ev.type = SND_SEQ_EVENT_CONTINUE;
+ TEST_CHECK(DECODES_TO("fb"));
+
+ ev.type = SND_SEQ_EVENT_STOP;
+ TEST_CHECK(DECODES_TO("fc"));
+
+ ev.type = SND_SEQ_EVENT_SENSING;
+ TEST_CHECK(DECODES_TO("fe"));
+
+ ev.type = SND_SEQ_EVENT_RESET;
+ TEST_CHECK(DECODES_TO("ff"));
+
+ ev.type = SND_SEQ_EVENT_CONTROL14;
+ ev.data.control.channel = 6;
+ ev.data.control.param = 7;
+ ev.data.control.value = 0x888;
+ /*
+ * This regular expression catches all allowed combinations of LSB/MSB
+ * order and running status.
+ */
+ TEST_CHECK(DECODES_TO("b6(0711(b6)?2708|2708(b6)?0711)"));
+
+ ev.type = SND_SEQ_EVENT_NONREGPARAM;
+ ev.data.control.channel = 9;
+ ev.data.control.param = 0xaaa;
+ ev.data.control.value = 0xbbb;
+ TEST_CHECK(DECODES_TO("b9(622a(b9)?6315|6315(b9)?622a)(b9)?(0617(b9)?263b|263b(b9)?0617)"));
+
+ ev.type = SND_SEQ_EVENT_REGPARAM;
+ ev.data.control.channel = 12;
+ ev.data.control.param = 0xddd;
+ ev.data.control.value = 0xeee;
+ TEST_CHECK(DECODES_TO("bc(645d(bc)?651b|651b(bc)?645d)(bc)?(061d(bc)?266e|266e(bc)?061d)"));
+
+ /* no running status after SysEx */
+ snd_seq_ev_set_pgmchange(&ev, 0, 0x11);
+ TEST_CHECK(DECODES_TO("c011"));
+ snd_seq_ev_set_sysex(&ev, 6, "\xf0\x7e\x7f\x09\x02\xf7");
+ TEST_CHECK(DECODES_TO("f07e7f0902f7"));
+ snd_seq_ev_set_pgmchange(&ev, 0, 0x11);
+ TEST_CHECK(DECODES_TO("c011"));
+
+ /* no running status for non-realtime common messages */
+ ev.type = SND_SEQ_EVENT_QFRAME;
+ ev.data.control.value = 0x11;
+ TEST_CHECK(DECODES_TO("f111"));
+ TEST_CHECK(DECODES_TO("f111"));
+
+ /* buffer overflow */
+ TEST_CHECK(snd_midi_event_decode(midi_event, buf, 1, &ev) == -ENOMEM);
+
+ snd_midi_event_free(midi_event);
+}
+
+static void test_reset_decode(void)
+{
+ snd_midi_event_t *midi_event;
+ snd_seq_event_t ev;
+ unsigned char buf[50];
+ int count;
+
+ if (ALSA_CHECK(snd_midi_event_new(256 /* ? */, &midi_event)) < 0)
+ return;
+
+ snd_seq_ev_clear(&ev);
+
+ snd_seq_ev_set_noteon(&ev, 1, 2, 3);
+ TEST_CHECK(DECODES_TO("910203"));
+
+ snd_midi_event_reset_decode(midi_event);
+
+ TEST_CHECK(DECODES_TO("910203"));
+
+ snd_midi_event_free(midi_event);
+}
+
+static void test_encode(void)
+{
+ snd_midi_event_t *midi_event;
+ snd_seq_event_t ev;
+
+ if (ALSA_CHECK(snd_midi_event_new(256, &midi_event)) < 0)
+ return;
+
+#define ENCODE(str) snd_midi_event_encode(midi_event, \
+ (const unsigned char *)str, \
+ sizeof(str) - 1, &ev)
+ TEST_CHECK(ENCODE("\x81\x02\x03") == 3);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEOFF);
+ TEST_CHECK((ev.flags & SND_SEQ_EVENT_LENGTH_MASK) == SND_SEQ_EVENT_LENGTH_FIXED);
+ TEST_CHECK(ev.data.note.channel == 1);
+ TEST_CHECK(ev.data.note.note == 2);
+ TEST_CHECK(ev.data.note.velocity == 3);
+
+ TEST_CHECK(ENCODE("\x94\x05\x06") == 3);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEON);
+ TEST_CHECK(ev.data.note.channel == 4);
+ TEST_CHECK(ev.data.note.note == 5);
+ TEST_CHECK(ev.data.note.velocity == 6);
+
+ TEST_CHECK(ENCODE("\xa7\x08\x09") == 3);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_KEYPRESS);
+ TEST_CHECK(ev.data.note.channel == 7);
+ TEST_CHECK(ev.data.note.note == 8);
+ TEST_CHECK(ev.data.note.velocity == 9);
+
+ TEST_CHECK(ENCODE("\xba\x0b\x0c") == 3);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_CONTROLLER);
+ TEST_CHECK(ev.data.control.channel == 10);
+ TEST_CHECK(ev.data.control.param == 11);
+ TEST_CHECK(ev.data.control.value == 12);
+
+ TEST_CHECK(ENCODE("\xcd\x0e") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_PGMCHANGE);
+ TEST_CHECK(ev.data.control.channel == 13);
+ TEST_CHECK(ev.data.control.value == 14);
+
+ TEST_CHECK(ENCODE("\xdf\x10") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_CHANPRESS);
+ TEST_CHECK(ev.data.control.channel == 15);
+ TEST_CHECK(ev.data.control.value == 16);
+
+ TEST_CHECK(ENCODE("\xe1\x22\x33") == 3);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_PITCHBEND);
+ TEST_CHECK(ev.data.control.channel == 1);
+ TEST_CHECK(ev.data.control.value == -1630);
+
+ TEST_CHECK(ENCODE("\xf0\x7f\x7f\x04\x01\x7f\x7f\xf7") == 8);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_SYSEX);
+ TEST_CHECK((ev.flags & SND_SEQ_EVENT_LENGTH_MASK) == SND_SEQ_EVENT_LENGTH_VARIABLE);
+ TEST_CHECK(ev.data.ext.len == 8);
+ TEST_CHECK(!memcmp(ev.data.ext.ptr, "\xf0\x7f\x7f\x04\x01\x7f\x7f\xf7", 8));
+
+ TEST_CHECK(ENCODE("\xf1\x04") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_QFRAME);
+ TEST_CHECK(ev.data.control.value == 4);
+
+ TEST_CHECK(ENCODE("\xf2\x55\x66") == 3);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_SONGPOS);
+ TEST_CHECK(ev.data.control.value == 13141);
+
+ TEST_CHECK(ENCODE("\xf3\x07") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_SONGSEL);
+ TEST_CHECK(ev.data.control.value == 7);
+
+ TEST_CHECK(ENCODE("\xf6") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_TUNE_REQUEST);
+
+ TEST_CHECK(ENCODE("\xf8") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+
+ TEST_CHECK(ENCODE("\xfa") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_START);
+
+ TEST_CHECK(ENCODE("\xfb") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_CONTINUE);
+
+ TEST_CHECK(ENCODE("\xfc") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_STOP);
+
+ TEST_CHECK(ENCODE("\xfe") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_SENSING);
+
+ TEST_CHECK(ENCODE("\xff") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_RESET);
+
+ TEST_CHECK(ENCODE("\xc1\xf8") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+ TEST_CHECK(ENCODE("\x22") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_PGMCHANGE);
+ TEST_CHECK(ev.data.control.channel == 1);
+ TEST_CHECK(ev.data.control.value == 0x22);
+ TEST_CHECK(ENCODE("\xf8") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+ TEST_CHECK(ENCODE("\x33") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_PGMCHANGE);
+ TEST_CHECK(ev.data.control.channel == 1);
+ TEST_CHECK(ev.data.control.value == 0x33);
+
+ TEST_CHECK(ENCODE("\xc1\xf6") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_TUNE_REQUEST);
+ TEST_CHECK(ENCODE("\x44\x44") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+ snd_midi_event_free(midi_event);
+}
+
+static void test_reset_encode(void)
+{
+ snd_midi_event_t *midi_event;
+ snd_seq_event_t ev;
+
+ if (ALSA_CHECK(snd_midi_event_new(256, &midi_event)) < 0)
+ return;
+
+ TEST_CHECK(ENCODE("\x91\x02") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+ snd_midi_event_reset_encode(midi_event);
+
+ TEST_CHECK(ENCODE("\x03") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+ snd_midi_event_free(midi_event);
+}
+
+static void test_init(void)
+{
+ snd_midi_event_t *midi_event;
+ snd_seq_event_t ev;
+ unsigned char buf[50];
+ int count;
+
+ if (ALSA_CHECK(snd_midi_event_new(256, &midi_event)) < 0)
+ return;
+
+ snd_seq_ev_set_noteon(&ev, 1, 2, 3);
+ TEST_CHECK(DECODES_TO("910203"));
+
+ TEST_CHECK(ENCODE("\x94\x05") == 2);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+ snd_midi_event_init(midi_event);
+
+ snd_seq_ev_set_noteon(&ev, 1, 2, 3);
+ TEST_CHECK(DECODES_TO("910203"));
+
+ TEST_CHECK(ENCODE("\x06") == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NONE);
+
+ snd_midi_event_free(midi_event);
+}
+
+static void test_encode_byte(void)
+{
+ snd_midi_event_t *midi_event;
+ snd_seq_event_t ev;
+
+ if (ALSA_CHECK(snd_midi_event_new(256, &midi_event)) < 0)
+ return;
+
+#define ENCODE_BYTE(c) snd_midi_event_encode_byte(midi_event, c, &ev)
+ TEST_CHECK(ENCODE_BYTE(0x81) == 0);
+ TEST_CHECK(ENCODE_BYTE(0x02) == 0);
+ TEST_CHECK(ENCODE_BYTE(0x03) == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEOFF);
+ TEST_CHECK((ev.flags & SND_SEQ_EVENT_LENGTH_MASK) == SND_SEQ_EVENT_LENGTH_FIXED);
+ TEST_CHECK(ev.data.note.channel == 1);
+ TEST_CHECK(ev.data.note.note == 2);
+ TEST_CHECK(ev.data.note.velocity == 3);
+ TEST_CHECK(ENCODE_BYTE(0x04) == 0);
+ TEST_CHECK(ENCODE_BYTE(0xf8) == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_CLOCK);
+ TEST_CHECK(ENCODE_BYTE(0x05) == 1);
+ TEST_CHECK(ev.type == SND_SEQ_EVENT_NOTEOFF);
+ TEST_CHECK(ev.data.note.channel == 1);
+ TEST_CHECK(ev.data.note.note == 4);
+ TEST_CHECK(ev.data.note.velocity == 5);
+
+ snd_midi_event_free(midi_event);
+}
+
+int main(void)
+{
+ test_decode();
+ test_reset_decode();
+ test_encode();
+ test_reset_encode();
+ test_encode_byte();
+ test_init();
+ return TEST_EXIT_CODE();
+}
diff --git a/test/lsb/test.h b/test/lsb/test.h
new file mode 100644
index 0000000..ff697c5
--- /dev/null
+++ b/test/lsb/test.h
@@ -0,0 +1,29 @@
+#ifndef TEST_H_INCLUDED
+#define TEST_H_INCLUDED
+
+#include <stdio.h>
+#include <alsa/asoundlib.h>
+
+/* XXX this variable definition does not belong in a header file */
+static int any_test_failed;
+
+#define TEST_CHECK(cond) do \
+ if (!(cond)) { \
+ fprintf(stderr, "%s:%d: test failed: %s\n", __FILE__, __LINE__, #cond); \
+ any_test_failed = 1; \
+ } \
+ while (0)
+
+#define ALSA_CHECK(fn) ({ \
+ int err = fn; \
+ if (err < 0) { \
+ fprintf(stderr, "%s:%d: ALSA function call failed (%s): %s\n", \
+ __FILE__, __LINE__, snd_strerror(err), #fn); \
+ any_test_failed = 1; \
+ } \
+ err; \
+ })
+
+#define TEST_EXIT_CODE() any_test_failed
+
+#endif
diff --git a/test/midifile.3 b/test/midifile.3
new file mode 100644
index 0000000..3aadb6d
--- /dev/null
+++ b/test/midifile.3
@@ -0,0 +1,336 @@
+.TH MIDIFILE 3
+.SH NAME
+mfread,mfwrite \- read and write a standard MIDI file
+.SH SYNOPSIS
+\fC#include "mfread.h"
+
+mfread ()
+
+.nf
+int (*Mf_getc) ();
+int (*Mf_putc) ();
+int (*Mf_error) (char *msg);
+int (*Mf_header) (int format, int ntrks, int division);
+int (*Mf_trackstart) ();
+int (*Mf_trackend) ();
+int (*Mf_noteon) (int chan, int pitch, int vol);
+int (*Mf_noteoff) (int chan, int pitch, int vol);
+int (*Mf_pressure) (int chan, int pitch, int pressure);
+int (*Mf_parameter) (int chan, int control, int value);
+int (*Mf_pitchbend) (int chan, int msb, int lsb);
+int (*Mf_program) (int chan, int program);
+int (*Mf_chanpressure) (int chan, int pressure);
+int (*Mf_sysex) (int leng, char *msg);
+int (*Mf_metamisc) (int type, int leng, int msg);
+int (*Mf_seqspecific) (int type, int leng, int msg);
+int (*Mf_seqnum) (int num);
+int (*Mf_text) (int type, int leng, int msg);
+int (*Mf_eot) ();
+int (*Mf_timesig) (int numer, int denom, int clocks, int qnotes);
+int (*Mf_smpte) (int hour, int min, int sec, int frame, int fract);
+int (*Mf_tempo) (int microsecs);
+int (*Mf_keysig) (int sharpflat, int minor);
+int (*Mf_arbitrary) (int leng, int msg);
+int Mf_nomerge;
+long Mf_currtime;
+.fi
+.sp 1
+mfwrite(int format, int ntracks, int division, FILE *fp)
+.sp 1
+.nf
+int (*Mf_writetrack)(int track);
+int (*Mf_writetempotrack)();
+
+void mf_write_midi_event(delta, type, chan, data, size)
+unsigned long delta;
+unsigned int type,chan,size;
+char *data;
+
+void mf_write_meta_event(delta, type, data, size)
+unsigned long delta;
+unsigned int type,chan,size;
+char *data;
+
+void mf_write_tempo(tempo)
+unsigned long tempo;
+
+unsigned long mf_sec2ticks(float seconds, int division, int tempo)
+float seconds;
+int division;
+unsigned int tempo;
+
+float mf_ticks2sec(ticks, division, tempo)
+unsigned long ticks;
+int division;
+unsigned int tempo;
+.fi
+
+.SH DESCRIPTION
+The \fCmfread\fR function reads and interprets a standard MIDI file.
+To use it you need to understand the general form of a
+MIDI file and the type of information it contains, but you don't
+need to know much, if anything, about the detailed format of the file
+and the mechanics of reading it reliably and portably.
+
+The \fCmfwrite\fR function writes a standard MIDI file making
+use of user-defined functions that access the program's
+data structure. To use it you need to define your own Mf_writetrack
+routine and then make use of the write_* family of routines to
+write out the MIDI data. The \fCmfwrite\fR routine takes
+care of the file format and writing the file and track chunk headers.
+
+.SH READING STANDARD MIDI FILES
+A single call to \fCmfread\fR will read an entire MIDI file.
+The interface to \fCmfread\fR is a set of external variables
+named \fCMf_*\fR, most of which are function pointers to be called
+from within \fCmfread\fR during the process of parsing the MIDI file.
+Before calling \fCmfread\fR, the only
+requirement is that you assign a value
+to \fCMf_getc\fR - a pointer to a function that will return
+characters from the MIDI file, using \-1 to indicate EOF.
+All the rest of the function
+pointers are initialized to NULL, and the default action for each
+is to do nothing. The following is a complete program using \fCmfread\fR
+that could serve as a 'syntax checker' for MIDI files:
+
+.in +1i
+.ft C
+.nf
+#include <stdio.h>
+#include "midifile.h"
+
+mygetc()
+{
+ /* use standard input */
+ return(getchar());
+}
+
+main()
+{
+ Mf_getc = mygetc;
+ mfread();
+ exit(0);
+}
+.fi
+.ft R
+.in -1i
+
+This takes advantage of the default action when an error is detected, which
+is to exit silently with a return code of 1. An error function of your
+own can be used by giving a value to \fCMf_error\fR; the function will be
+called with the error message as an argument.
+The other \fCMf_* variables can similarly be used to call arbitrary
+functions while parsing the MIDI file. The descriptions below
+of the information passed to these functions is sparse; refer to
+the MIDI file standard for the complete descriptions.
+
+\fCMf_header\fR is the first function to be called, and its arguments
+contain information from the MIDI file's header; the format (0,1, or 2),
+the number of tracks, and the division of a quarter-note that defines
+the times units.
+\fCMf_trackstart\fR and
+\fCMf_trackend\fR are called at the beginning and end of each track.
+
+Once inside a track, each separate message causes a function to be called.
+For example, each note-on message causes \fCMf_noteon\fR to be called
+with the channel, pitch, and volume as arguments. The time at which
+the message occurred is stored in \fCMf_currtime\fR - one of the few
+external variables that isn't a function pointer. The other channel messages
+are handled in a similar and obvious fashion -
+\fCMf_noteoff\fR,
+\fCMf_pressure\fR,
+\fCMf_parameter\fR,
+\fCMf_pitchbend\fR,
+\fCMf_program\fR,
+and \fCMf_chanpressure\fR. See the declarations above for the arguments
+that are passed to each.
+
+System exclusive messages are handled by calling \fCMf_sysex\fR, passing
+as arguments the message length and a pointer to a static buffer containing
+the entire message.
+The buffer is expanded when necessary; memory availability is the only limit
+to its size. Normally, 'continued' system exclusives are automatically
+merged, and \fCMf_sysex\fR is only called once. It you want to disable this
+you can set \fCMf_nomerge\fR to 1, causing \fCMf_sysex\fR to be called
+once for each part of the message.
+
+\fCMf_seqnum\fR is called by the \fImeta\fR message that provides
+a sequence number,
+which if present must appear at the beginning of a track.
+The tempo \fImeta\fR message causes \fCMf_tempo\fR to be called; its
+argument is the number of microseconds per MIDI quarter-note (24 MIDI clocks).
+The end-of-track \fImeta\fR message causes \fCMf_eot\fR to be called.
+The key signature \fImeta\fR message causes \fCMf_keysig\fR to be called;
+the first argument conveys the number of sharps or flats, the second
+argument is 1 if the key is minor.
+
+The \fCMf_timesig\fR and \fCMf_smpte\fR functions are called when the
+corresponding \fImeta\fR messages are seen. See the MIDI file standard
+for a description of their arguments.
+
+The \fItext\fR messages in the MIDI file standard are of the following
+types:
+
+.in +1i
+.nf
+0x01 Text Event
+0x02 Copyright
+0x03 Sequence/Track Name
+0x04 Instrument
+0x05 Lyric
+0x06 Marker
+0x07 Cue Point
+0x08-0x0F Reserved but Undefined
+.fi
+.in -1i
+
+\fCMf_text\fR is called for each of these; the arguments are
+the type number, the message length, and a pointer to the message buffer.
+
+Miscellaneous \fImeta\fR messages are handled by \fCMf_metamisc\fR,
+sequencer-specific messages are handled by \fCMf_seqspecific\fR, and
+arbitrary "escape" messages (started with 0xF7) are handled by
+\fCMf_arbitrary\fR.
+.SH READING EXAMPLE
+The following is a \fCstrings\fR-like program for MIDI files:
+
+.in +1i
+.ft C
+.nf
+#include <stdio.h>
+#include <ctype.h>
+#include "midifile.h"
+
+FILE *F;
+
+mygetc() { return(getc(F)); }
+
+mytext(type,leng,msg)
+char *msg;
+{
+ char *p;
+ char *ep = msg + leng;
+
+ for ( p=msg; p<ep ; p++ )
+ putchar( isprint(*p) ? *p : '?' );
+ putchar('\n');
+}
+
+main(argc,argv)
+char **argv;
+{
+ if ( argc > 1 )
+ F = fopen(argv[1],"r");
+ else
+ F = stdin;
+
+ Mf_getc = mygetc;
+ Mf_text = mytext;
+
+ mfread();
+
+ exit(0);
+}
+.fi
+.ft R
+.in -1i
+.sp
+.SH WRITING STANDARD MIDI FILES
+A single call to \fCmfwrite\fR will write an entire MIDI file. Before
+calling \fCmfwrite\fR, you must assign values to function pointers
+\fCMf_writetrack\fR and \fCMf_putc\fR. The first is a routine to
+access your MIDI data structure, which can make use of other library
+routines to write the actual MIDI data. The routine
+\fCMf_writetrack\fR will be passed a single parameter which is the
+number of the track to be written. The pointer \fCMf_putc\fR should be
+set to point to a routine that accepts a character as input, writes that
+character to a file, and returns the value that was written. In the
+case of a format 1 file, a routine has to be written to write a tempo
+map, and assigned to the function pointer \fCMf_writetempotrack\fR.
+This is because format 1 files assume the first track written is a
+tempo track.
+
+\fCmf_write_midi_event\fR and \fCmf_write_meta_event\fR are routines
+that should be called from your \fCMf_writetrack\fR routine to write
+out MIDI events. The delta time param is the number of ticks since the
+last event. The int "type" is the type of MIDI message. The int "chan"
+is the MIDI channel, which can be between 1 and 16. The char pointer
+"data" points to an array containing the data bytes, if any exist. The
+int "size" is the number of data bytes.
+
+\fCmf_sec2ticks\fR and \fCmf_ticks2sec\fR are utility routines
+to help you convert between the MIDI file parameter of ticks
+and the more standard seconds. The int "division" is the same
+division parameter from the file header, and tempo is expressed
+in microseconds per MIDI quarter-note, or "24ths of a microsecond
+per MIDI clock". The division has two meanings, depending on
+whether bit 15 is set or not. If bit 15 of division is zero,
+bits 14 through 0 represent the number of delta-time "ticks"
+which make up a quarter note. If bit 15 of division is a one,
+delta-times in a file correspond to subdivisions of a second
+similar to SMPTE and MIDI time code. In this format bits
+14 through 8 contain one of four values \-24, \-25, \-29, or \-30,
+corresponding to the four standard SMPTE and MIDI time code
+frame per second formats, where \-29 represents 30 drop frame.
+The second byte consisting of bits 7 through 0 corresponds
+the the resolution within a frame. Refer the Standard MIDI Files
+1.0 spec for more details.
+
+.SH WRITING EXAMPLE
+The following is a simple program to demonstrate writing MIDI files.
+The track would consist of a series of quarter notes from lowest to
+highest in pitch at constant velocity, each separated by a quarter-note
+rest.
+.sp
+.in +1i
+.ft C
+.nf
+#include <stdio.h>
+#include <ctype.h>
+#include "midifile.h"
+
+FILE *fp;
+myputc(c) { return(putc(c,fp));}
+
+int mywritetrack(track)
+int track;
+{
+ int i;
+ char data[2];
+
+ /* 120 beats/per/second */
+ mf_write_tempo((long)500000);
+
+ for(i = 1 ; i < 128; i++){
+ data[0] = i; /* note number */
+ data[1] = 64; /* velocity */
+ if(!mf_write_midi_event(480,note_on,1,data,2))
+ return(\-1);
+ if(!mf_write_midi_event(480,note_off,1,data,2))
+ return(\-1);
+ }
+
+ return(1);
+} /* end of write_track() */
+
+main(argc,argv)
+char **argv;
+{
+ if((fp = fopen(argv[1],"w")) == 0L)
+ exit(1);
+
+ Mf_putc = myputc;
+ Mf_writetrack = mywritetrack;
+
+ /* write a single track */
+ mfwrite(0,1,480,fp);
+}
+.sp
+.fi
+.ft R
+.in -1i
+.sp
+.SH AUTHOR
+Tim Thompson (att!twitch!glimmer!tjt)
+.SH CONTRIBUTORS
+Michael Czeiszperger (mike@pan.com)
diff --git a/test/midifile.c b/test/midifile.c
new file mode 100644
index 0000000..8d6ba90
--- /dev/null
+++ b/test/midifile.c
@@ -0,0 +1,1173 @@
+/*
+ * midifile 1.11
+ *
+ * Read and write a MIDI file. Externally-assigned function pointers are
+ * called upon recognizing things in the file.
+ *
+ * Original release ?
+ * June 1989 - Added writing capability, M. Czeiszperger.
+ *
+ * The file format implemented here is called
+ * Standard MIDI Files, and is part of the Musical
+ * instrument Digital Interface specification.
+ * The spec is available from:
+ *
+ * International MIDI Association
+ * 5316 West 57th Street
+ * Los Angeles, CA 90056
+ *
+ * An in-depth description of the spec can also be found
+ * in the article "Introducing Standard MIDI Files", published
+ * in Electronic Musician magazine, April, 1989.
+ *
+ * February 1993 - Minor adjustments, Greg Lee:
+ * (1) can now set the global variable Mf_interactive to 1 to prevent the
+ * reading functions from looking for file and track headers
+ * (2) can now write system exclusive data with
+ * mf_write_midi_event(delta_time, system_exclusive, 0, data, size)
+ * (3) changed definition of 'sequencer_specific' in midifile.h to 0x7f
+ * (4) changed mf_write_tempo to take additional delta_time as first argument
+ * (since delta need not be zero)
+ * (5) added function mf_write_seqnum(unsigned long delta_time, unsigned seqnum)
+ * (6) changed mf_write_midi_event to use running status
+ * (7) removed the code to write an end of track meta event automatically
+ * -- this must now be done by the user of the library (I changed
+ * it because I need to be able to control the time delta of this
+ * meta event)
+ * (8) added global variables Mf_division, Mf_currtempo, Mf_realtime, which
+ * are updated by the reading functions. Mf_realtime is useful,
+ * because Mf_currtime does not really measure time at all, since
+ * its units change value at every tempo change. Mf_realtime is
+ * the midi-time elapsed in units of 1/16 of a centisecond (but it
+ * does not handle SMPTE times)
+ * (9) maintains a history of tempo settings to update Mf_currtempo,
+ * to handle tempo tracks.
+ * (10) if there is an Mf_error function, the error routine no longer
+ * exits, leaving it to the application to do this.
+ * (11) chanmessage skips over invalid c1 command bytes > 127 and
+ * adjusts invalid c2 argument byte > 127 to 127.
+ * (12) readmt returns EOF when it encounters a 0 or 0x1a byte instead of an expected
+ * header string (some midi files have padding at end).
+ */
+#define NO_LC_DEFINES
+#include "midifile.h"
+#ifdef NO_LC_DEFINES
+#define system_exclusive 0xf0
+#define meta_event 0xFF
+#define set_tempo 0x51
+#define lowerbyte(x) ((unsigned char)(x & 0xff))
+#define upperbyte(x) ((unsigned char)((x & 0xff00)>>8))
+#endif
+
+#define NULLFUNC 0
+#if 0
+#define NULL 0
+#endif
+
+#define THINK
+
+#ifdef THINK
+#include <stdlib.h>
+#endif
+
+#include <stdio.h>
+#include <values.h>
+
+#include <string.h>
+/*void exit(), free();*/
+
+/* public stuff */
+
+/* Functions to be called while processing the MIDI file. */
+int (*Mf_getc) () = NULLFUNC;
+void (*Mf_error) () = NULLFUNC;
+void (*Mf_header) () = NULLFUNC;
+void (*Mf_trackstart) () = NULLFUNC;
+void (*Mf_trackend) () = NULLFUNC;
+void (*Mf_noteon) () = NULLFUNC;
+void (*Mf_noteoff) () = NULLFUNC;
+void (*Mf_pressure) () = NULLFUNC;
+void (*Mf_parameter) () = NULLFUNC;
+void (*Mf_pitchbend) () = NULLFUNC;
+void (*Mf_program) () = NULLFUNC;
+void (*Mf_chanpressure) () = NULLFUNC;
+void (*Mf_sysex) () = NULLFUNC;
+void (*Mf_arbitrary) () = NULLFUNC;
+void (*Mf_metamisc) () = NULLFUNC;
+void (*Mf_seqnum) () = NULLFUNC;
+void (*Mf_eot) () = NULLFUNC;
+void (*Mf_smpte) () = NULLFUNC;
+void (*Mf_tempo) () = NULLFUNC;
+void (*Mf_timesig) () = NULLFUNC;
+void (*Mf_keysig) () = NULLFUNC;
+void (*Mf_seqspecific) () = NULLFUNC;
+void (*Mf_text) () = NULLFUNC;
+
+/* Functions to implement in order to write a MIDI file */
+int (*Mf_putc) () = NULLFUNC;
+int (*Mf_writetrack) () = NULLFUNC;
+int (*Mf_writetempotrack) () = NULLFUNC;
+
+int Mf_nomerge = 0; /* 1 => continue'ed system exclusives are */
+ /* not collapsed. */
+int Mf_interactive = 0; /* 1 => file and track headers are not required */
+unsigned long Mf_currtime = 0L; /* current time in delta-time units */
+unsigned long Mf_realtime = 0L; /* current time in 1/16 centisecond-time units */
+static double Mf_f_realtime = 0;/* as above, floating */
+static double old_f_realtime = 0;
+int Mf_division = 96;
+unsigned long Mf_currtempo = 500000;
+static unsigned long old_currtempo = 500000;
+static unsigned long old_realtime = 0;
+static unsigned long old_currtime = 0;
+static unsigned long revised_time = 0;
+static unsigned long tempo_change_time = 0;
+
+#define MAX_HISTORY 512
+static unsigned long tempo_history[MAX_HISTORY];
+static unsigned long tempo_history_time[MAX_HISTORY];
+static int tempo_history_count = 0;
+
+/* private stuff */
+static long Mf_toberead = 0L;
+static long Mf_numbyteswritten = 0L;
+
+static long readvarinum ();
+static long read32bit ();
+static long to32bit ();
+static int read16bit ();
+static int to16bit ();
+static char *msg ();
+static void readheader ();
+static int readtrack ();
+static void badbyte ();
+static void metaevent ();
+static void sysex ();
+static void chanmessage ();
+static void msginit ();
+static int msgleng ();
+static void msgadd ();
+static void biggermsg ();
+static int eputc (unsigned char c);
+
+double mf_ticks2sec (unsigned long ticks, int division, unsigned long tempo);
+int mf_write_meta_event ();
+void mf_write_tempo ();
+void mf_write_seqnum ();
+void WriteVarLen ();
+
+#ifdef READ_MODS
+#include "mp_mod.c"
+static int mod_file_flag = 0;
+#endif /* READ_MODS */
+static int force_exit;
+
+void
+mfread ()
+{
+ force_exit = 0;
+ if (Mf_getc == NULLFUNC)
+ mferror ("mfread() called without setting Mf_getc");
+
+ readheader ();
+#ifdef READ_MODS
+ if (mod_file_flag)
+ do_module();
+ else
+#endif
+ while (readtrack () && !force_exit)
+ ;
+}
+
+/* for backward compatibility with the original lib */
+void
+midifile ()
+{
+ mfread ();
+}
+
+static
+int
+readmt (s) /* read through the "MThd" or "MTrk" header string */
+ char *s;
+{
+ int n = 0;
+ char *p = s;
+ int c;
+
+ while (n++ < 4 && (c = (*Mf_getc) ()) != EOF)
+ {
+ if (c != *p++)
+ {
+ char buff[32];
+ if (!c) return(EOF);
+ if (c == 0x1a) return(EOF);
+ (void) strcpy (buff, "expecting ");
+ (void) strcat (buff, s);
+ mferror (buff);
+ break;
+ }
+ }
+ return (c);
+}
+
+static
+int
+egetc () /* read a single character and abort on EOF */
+{
+ int c = (*Mf_getc) ();
+
+ if (c == EOF) {
+ mferror ("premature EOF");
+ force_exit = 1;
+ }
+ Mf_toberead--;
+ return (c);
+}
+
+static
+void
+readheader () /* read a header chunk */
+{
+ int format, ntrks, division;
+
+
+ Mf_division = 96;
+ Mf_currtempo = 500000;
+ old_currtempo = 500000;
+ tempo_history_count = 0;
+ tempo_history[tempo_history_count] = Mf_currtempo;
+ tempo_history_time[tempo_history_count] = 0;
+
+ if (Mf_interactive)
+ {
+ Mf_toberead = 0;
+ format = 0;
+ ntrks = 1;
+ division = 96;
+ }
+ else
+#ifdef READ_MODS
+ if (!strncmp(Mf_file_contents, "MThd", 4))
+#endif
+ {
+ if (readmt ("MThd") == EOF)
+ return;
+
+ Mf_toberead = read32bit ();
+ format = read16bit ();
+ ntrks = read16bit ();
+ Mf_division = division = read16bit ();
+ }
+#ifdef READ_MODS
+ else
+ {
+ format = 0;
+ ntrks = 1;
+ division = Mf_division;
+ Mf_toberead = 0;
+ mod_file_flag = 1;
+ }
+#endif
+
+ if (Mf_header)
+ (*Mf_header) (format, ntrks, division);
+
+ /* flush any extra stuff, in case the length of header is not 6 */
+ while (Mf_toberead > 0 && !force_exit)
+ (void) egetc ();
+}
+
+
+/*#define DEBUG_TIMES*/
+static
+unsigned long
+find_tempo()
+{
+ int i;
+ unsigned long old_tempo = Mf_currtempo;
+ unsigned long new_tempo = Mf_currtempo;
+
+ for (i = 0; i <= tempo_history_count; i++) {
+ if (tempo_history_time[i] <= Mf_currtime) old_tempo = tempo_history[i];
+ new_tempo = tempo_history[i];
+ if (tempo_history_time[i] > revised_time) break;
+ }
+ if (i > tempo_history_count || tempo_history_time[i] > Mf_currtime) {
+#ifdef DEBUG_TIMES
+printf("[past %d, old_tempo %d]\n", tempo_history_time[i], old_tempo);
+#endif
+ revised_time = Mf_currtime;
+ return(old_tempo);
+ }
+ tempo_change_time = revised_time = tempo_history_time[i];
+#ifdef DEBUG_TIMES
+printf("[revised_time %d, new_tempo %d]\n", revised_time, new_tempo);
+#endif
+ return(new_tempo);
+}
+
+static
+int
+readtrack () /* read a track chunk */
+{
+ /* This array is indexed by the high half of a status byte. It's */
+ /* value is either the number of bytes needed (1 or 2) for a channel */
+ /* message, or 0 (meaning it's not a channel message). */
+ static int chantype[] =
+ {
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 through 0x70 */
+ 2, 2, 2, 2, 1, 1, 2, 0 /* 0x80 through 0xf0 */
+ };
+ long lookfor;
+ int c, c1, type;
+ int sysexcontinue = 0; /* 1 if last message was an unfinished sysex */
+ int running = 0; /* 1 when running status used */
+ int status = 0; /* status value (e.g. 0x90==note-on) */
+ int needed;
+
+ if (Mf_interactive)
+ {
+ Mf_toberead = MAXINT;
+ }
+ else
+ {
+ if (readmt ("MTrk") == EOF)
+ return (0);
+
+ Mf_toberead = read32bit ();
+ }
+ Mf_currtime = Mf_realtime = 0;
+ Mf_f_realtime = old_f_realtime = 0;
+ old_currtime = old_realtime = 0;
+ Mf_currtempo = find_tempo();
+
+ if (Mf_trackstart)
+ (*Mf_trackstart) ();
+
+ while (!force_exit && (Mf_interactive || Mf_toberead > 0))
+ {
+
+ if (Mf_interactive)
+ Mf_currtime += 1;
+ else
+ {
+ double delta_secs;
+ unsigned long delta_ticks = readvarinum ();
+ revised_time = Mf_currtime;
+ Mf_currtime += delta_ticks; /* delta time */
+
+/*
+ * Step through each tempo change from old_currtime up to now,
+ * revising Mf_realtime after each change.
+ */
+
+ while (revised_time < Mf_currtime) {
+ unsigned long save_time = revised_time;
+ unsigned long save_tempo = Mf_currtempo;
+ Mf_currtempo = find_tempo();
+
+ if (Mf_currtempo != old_currtempo) {
+ old_currtempo = Mf_currtempo;
+ old_realtime = Mf_realtime;
+ if (revised_time != tempo_change_time) {
+ old_f_realtime = Mf_f_realtime;
+ old_currtime = save_time;
+ }
+ delta_secs = mf_ticks2sec (revised_time-old_currtime, Mf_division, save_tempo);
+#ifdef DEBUG_TIMES
+printf("d(rev %d - old %d, div %d, tempo %d) = %.3f\n",
+revised_time, old_currtime, Mf_division, save_tempo, delta_secs * 1600.0);
+#endif
+ Mf_f_realtime = old_f_realtime + delta_secs * 1600.0;
+ Mf_realtime = (unsigned long)(0.5 + Mf_f_realtime);
+#ifdef DEBUG_TIMES
+printf("\tt=%d ticks ( = %d csec/16 < old %.2f + %.2f)\n", Mf_currtime, Mf_realtime,
+old_f_realtime, delta_secs * 1600.0);
+#endif
+ if (revised_time == tempo_change_time) {
+ old_currtime = revised_time;
+ old_f_realtime = Mf_f_realtime;
+ }
+ }
+ else {
+ delta_secs = mf_ticks2sec (revised_time-old_currtime, Mf_division, Mf_currtempo);
+#ifdef DEBUG_TIMES
+printf("d(rev %d - old %d, div %d, tempo %d) = %.3f\n",
+revised_time, old_currtime, Mf_division, Mf_currtempo, delta_secs * 1600.0);
+#endif
+ Mf_f_realtime = old_f_realtime + delta_secs * 1600.0;
+ Mf_realtime = (unsigned long)(0.5 + Mf_f_realtime);
+#ifdef DEBUG_TIMES
+printf("\tt=%d ticks ( = %d csec/16 < old %.2f + %.2f)\n", Mf_currtime, Mf_realtime,
+old_f_realtime, delta_secs * 1600.0);
+#endif
+ }
+
+
+ }
+ }
+
+ c = egetc ();
+
+ if (sysexcontinue && c != 0xf7)
+ mferror ("didn't find expected continuation of a sysex");
+
+ if ((c & 0x80) == 0)
+ { /* running status? */
+ if (status == 0)
+ mferror ("unexpected running status");
+ running = 1;
+ }
+ else
+ {
+ status = c;
+ running = 0;
+ }
+
+ needed = chantype[(status >> 4) & 0xf];
+
+ if (needed)
+ { /* ie. is it a channel message? */
+
+ if (running)
+ c1 = c;
+ else
+ c1 = egetc ();
+ chanmessage (status, c1, (needed > 1) ? egetc () : 0);
+ continue;;
+ }
+
+ switch (c)
+ {
+
+ case 0xff: /* meta event */
+
+ type = egetc ();
+ lookfor = Mf_toberead - readvarinum ();
+ msginit ();
+
+ while (Mf_toberead > lookfor)
+ msgadd (egetc ());
+
+ metaevent (type);
+ break;
+
+ case 0xf0: /* start of system exclusive */
+
+ lookfor = Mf_toberead - readvarinum ();
+ msginit ();
+ msgadd (0xf0);
+
+ while (Mf_toberead > lookfor)
+ msgadd (c = egetc ());
+
+ if (c == 0xf7 || Mf_nomerge == 0)
+ sysex ();
+ else
+ sysexcontinue = 1; /* merge into next msg */
+ break;
+
+ case 0xf7: /* sysex continuation or arbitrary stuff */
+
+ lookfor = Mf_toberead - readvarinum ();
+
+ if (!sysexcontinue)
+ msginit ();
+
+ while (Mf_toberead > lookfor)
+ msgadd (c = egetc ());
+
+ if (!sysexcontinue)
+ {
+ if (Mf_arbitrary)
+ (*Mf_arbitrary) (msgleng (), msg ());
+ }
+ else if (c == 0xf7)
+ {
+ sysex ();
+ sysexcontinue = 0;
+ }
+ break;
+ default:
+ badbyte (c);
+ break;
+ }
+ }
+ if (Mf_trackend)
+ (*Mf_trackend) ();
+ return (1);
+}
+
+static
+void
+badbyte (c)
+ int c;
+{
+ char buff[32];
+
+ (void) sprintf (buff, "unexpected byte: 0x%02x", c);
+ mferror (buff);
+}
+
+static
+void
+metaevent (int type)
+{
+ int leng = msgleng ();
+ char *m = msg ();
+
+ switch (type)
+ {
+ case 0x00:
+ if (Mf_seqnum)
+ (*Mf_seqnum) (to16bit (m[0], m[1]));
+ break;
+ case 0x01: /* Text event */
+ case 0x02: /* Copyright notice */
+ case 0x03: /* Sequence/Track name */
+ case 0x04: /* Instrument name */
+ case 0x05: /* Lyric */
+ case 0x06: /* Marker */
+ case 0x07: /* Cue point */
+ case 0x08:
+ case 0x09:
+ case 0x0a:
+ case 0x0b:
+ case 0x0c:
+ case 0x0d:
+ case 0x0e:
+ case 0x0f:
+ /* These are all text events */
+ if (Mf_text)
+ (*Mf_text) (type, leng, m);
+ break;
+ case 0x2f: /* End of Track */
+ if (Mf_eot)
+ (*Mf_eot) ();
+ break;
+ case 0x51: /* Set tempo */
+ if (Mf_tempo)
+ (*Mf_tempo) (Mf_currtempo = to32bit (0, m[0], m[1], m[2]));
+ if (tempo_history[tempo_history_count] == Mf_currtempo) break;
+ if (tempo_history_time[tempo_history_count] > Mf_currtime) break;
+ if (tempo_history_count < MAX_HISTORY - 1) tempo_history_count++;
+ tempo_history[tempo_history_count] = Mf_currtempo;
+ tempo_history_time[tempo_history_count] = Mf_currtime;
+ break;
+ case 0x54:
+ if (Mf_smpte)
+ (*Mf_smpte) (m[0], m[1], m[2], m[3], m[4]);
+ break;
+ case 0x58:
+ if (Mf_timesig)
+ (*Mf_timesig) (m[0], m[1], m[2], m[3]);
+ break;
+ case 0x59:
+ if (Mf_keysig)
+ (*Mf_keysig) (m[0], m[1]);
+ break;
+ case 0x7f:
+ if (Mf_seqspecific)
+ (*Mf_seqspecific) (leng, m);
+ break;
+ default:
+ if (Mf_metamisc)
+ (*Mf_metamisc) (type, leng, m);
+ }
+}
+
+static
+void
+sysex ()
+{
+ if (Mf_sysex)
+ (*Mf_sysex) (msgleng (), msg ());
+}
+
+static
+void
+chanmessage (status, c1, c2)
+ int status;
+ int c1, c2;
+{
+ int chan = status & 0xf;
+
+ /* I found a midi file with Mod Wheel values 128. --gl */
+
+ if (c1 > 127) /*mferror("chanmessage: bad c1") ??*/ return;
+ if (c2 > 127) c2 = 127;
+
+ switch (status & 0xf0)
+ {
+ case 0x80:
+ if (Mf_noteoff)
+ (*Mf_noteoff) (chan, c1, c2);
+ break;
+ case 0x90:
+ if (Mf_noteon)
+ (*Mf_noteon) (chan, c1, c2);
+ break;
+ case 0xa0:
+ if (Mf_pressure)
+ (*Mf_pressure) (chan, c1, c2);
+ break;
+ case 0xb0:
+ if (Mf_parameter)
+ (*Mf_parameter) (chan, c1, c2);
+ break;
+ case 0xe0:
+ if (Mf_pitchbend)
+ (*Mf_pitchbend) (chan, c1, c2);
+ break;
+ case 0xc0:
+ if (Mf_program)
+ (*Mf_program) (chan, c1);
+ break;
+ case 0xd0:
+ if (Mf_chanpressure)
+ (*Mf_chanpressure) (chan, c1);
+ break;
+ }
+}
+
+/* readvarinum - read a varying-length number, and return the */
+/* number of characters it took. */
+
+static long
+readvarinum ()
+{
+ long value;
+ int c;
+
+ c = egetc ();
+ value = c;
+ if (c & 0x80)
+ {
+ value &= 0x7f;
+ do
+ {
+ c = egetc ();
+ value = (value << 7) + (c & 0x7f);
+ }
+ while (c & 0x80);
+ }
+ return (value);
+}
+
+static long
+to32bit (int c1, int c2, int c3, int c4)
+{
+ long value = 0L;
+
+ value = (c1 & 0xff);
+ value = (value << 8) + (c2 & 0xff);
+ value = (value << 8) + (c3 & 0xff);
+ value = (value << 8) + (c4 & 0xff);
+ return (value);
+}
+
+static int
+to16bit (c1, c2)
+ int c1, c2;
+{
+ return ((c1 & 0xff) << 8) + (c2 & 0xff);
+}
+
+static long
+read32bit ()
+{
+ int c1, c2, c3, c4;
+
+ c1 = egetc ();
+ c2 = egetc ();
+ c3 = egetc ();
+ c4 = egetc ();
+ return to32bit (c1, c2, c3, c4);
+}
+
+static int
+read16bit ()
+{
+ int c1, c2;
+ c1 = egetc ();
+ c2 = egetc ();
+ return to16bit (c1, c2);
+}
+
+/* static */
+void
+mferror (s)
+ char *s;
+{
+ if (Mf_error)
+ (*Mf_error) (s);
+ else exit (1);
+}
+
+/* The code below allows collection of a system exclusive message of */
+/* arbitrary length. The Msgbuff is expanded as necessary. The only */
+/* visible data/routines are msginit(), msgadd(), msg(), msgleng(). */
+
+#define MSGINCREMENT 128
+static char *Msgbuff = NULL; /* message buffer */
+static int Msgsize = 0; /* Size of currently allocated Msg */
+static int Msgindex = 0; /* index of next available location in Msg */
+
+static
+void
+msginit ()
+{
+ Msgindex = 0;
+}
+
+static char *
+msg ()
+{
+ return (Msgbuff);
+}
+
+static
+int
+msgleng ()
+{
+ return (Msgindex);
+}
+
+static
+void
+msgadd (c)
+ int c;
+{
+ /* If necessary, allocate larger message buffer. */
+ if (Msgindex >= Msgsize)
+ biggermsg ();
+ Msgbuff[Msgindex++] = c;
+}
+
+static
+void
+biggermsg ()
+{
+/* char *malloc(); */
+ char *newmess;
+ char *oldmess = Msgbuff;
+ int oldleng = Msgsize;
+
+ Msgsize += MSGINCREMENT;
+ newmess = (char *) malloc ((unsigned) (sizeof (char) * Msgsize));
+
+ if (newmess == NULL)
+ mferror ("malloc error!");
+
+ /* copy old message into larger new one */
+ if (oldmess != NULL)
+ {
+ register char *p = newmess;
+ register char *q = oldmess;
+ register char *endq = &oldmess[oldleng];
+
+ for (; q != endq; p++, q++)
+ *p = *q;
+ free (oldmess);
+ }
+ Msgbuff = newmess;
+}
+
+static int laststatus = 0;
+
+/*
+ * mfwrite() - The only function you'll need to call to write out
+ * a midi file.
+ *
+ * format 0 - Single multi-channel track
+ * 1 - Multiple simultaneous tracks
+ * 2 - One or more sequentially independent
+ * single track patterns
+ * ntracks The number of tracks in the file.
+ * division This is kind of tricky, it can represent two
+ * things, depending on whether it is positive or negative
+ * (bit 15 set or not). If bit 15 of division is zero,
+ * bits 14 through 0 represent the number of delta-time
+ * "ticks" which make up a quarter note. If bit 15 of
+ * division is a one, delta-times in a file correspond to
+ * subdivisions of a second similar to SMPTE and MIDI
+ * time code. In this format bits 14 through 8 contain
+ * one of four values - 24, -25, -29, or -30,
+ * corresponding to the four standard SMPTE and MIDI
+ * time code frame per second formats, where -29
+ * represents 30 drop frame. The second byte
+ * consisting of bits 7 through 0 corresponds the the
+ * resolution within a frame. Refer the Standard MIDI
+ * Files 1.0 spec for more details.
+ * fp This should be the open file pointer to the file you
+ * want to write. It will have be a global in order
+ * to work with Mf_putc.
+ */
+void
+mfwrite (format, ntracks, division, fp)
+ int format, ntracks, division;
+ FILE *fp;
+{
+ int i;
+ void mf_write_track_chunk (), mf_write_header_chunk ();
+
+ if (Mf_putc == NULLFUNC)
+ mferror ("mfmf_write() called without setting Mf_putc");
+
+ if (Mf_writetrack == NULLFUNC)
+ mferror ("mfmf_write() called without setting Mf_mf_writetrack");
+
+ laststatus = 0;
+
+ /* every MIDI file starts with a header */
+ mf_write_header_chunk (format, ntracks, division);
+
+ laststatus = 0;
+
+ /* In format 1 files, the first track is a tempo map */
+ if (format == 1 && (Mf_writetempotrack))
+ {
+ (*Mf_writetempotrack) ();
+ }
+
+ /* The rest of the file is a series of tracks */
+ for (i = 0; i < ntracks; i++)
+ mf_write_track_chunk (i, fp);
+}
+
+void
+mf_write_track_chunk (which_track, fp)
+ int which_track;
+ FILE *fp;
+{
+ unsigned long trkhdr, trklength;
+ long offset, place_marker;
+ void write16bit (), write32bit ();
+
+
+ laststatus = 0;
+
+ trkhdr = MTrk;
+ trklength = 0;
+
+ /* Remember where the length was written, because we don't
+ know how long it will be until we've finished writing */
+ offset = ftell (fp);
+
+#ifdef DEBUG
+ printf ("offset = %d\n", (int) offset);
+#endif
+
+ /* Write the track chunk header */
+ write32bit (trkhdr);
+ write32bit (trklength);
+
+ Mf_numbyteswritten = 0L; /* the header's length doesn't count */
+
+ if (Mf_writetrack)
+ {
+ (*Mf_writetrack) (which_track);
+ }
+
+ /* mf_write End of track meta event */
+/* but this does not necessarily have a delta of 0, so
+ * I don't want to do it -- leave it up to the user of the
+ * library functions to do
+ * --gl
+ eputc(0);
+ eputc(laststatus = meta_event);
+ eputc(end_of_track);
+
+ eputc(0);
+ */
+
+ /* It's impossible to know how long the track chunk will be beforehand,
+ so the position of the track length data is kept so that it can
+ be written after the chunk has been generated */
+ place_marker = ftell (fp);
+
+ /* This method turned out not to be portable because the
+ parameter returned from ftell is not guaranteed to be
+ in bytes on every machine */
+ /* track.length = place_marker - offset - (long) sizeof(track); */
+
+#ifdef DEBUG
+ printf ("length = %d\n", (int) trklength);
+#endif
+
+ if (fseek (fp, offset, 0) < 0)
+ mferror ("error seeking during final stage of write");
+
+ trklength = Mf_numbyteswritten;
+
+ /* Re-mf_write the track chunk header with right length */
+ write32bit (trkhdr);
+ write32bit (trklength);
+
+ fseek (fp, place_marker, 0);
+} /* End gen_track_chunk() */
+
+
+void
+mf_write_header_chunk (format, ntracks, division)
+ int format, ntracks, division;
+{
+ unsigned long ident, length;
+ void write16bit (), write32bit ();
+
+ ident = MThd; /* Head chunk identifier */
+ length = 6; /* Chunk length */
+
+ /* individual bytes of the header must be written separately
+ to preserve byte order across cpu types :-( */
+ write32bit (ident);
+ write32bit (length);
+ write16bit (format);
+ write16bit (ntracks);
+ write16bit (division);
+} /* end gen_header_chunk() */
+
+
+/*
+ * mf_write_midi_event()
+ *
+ * Library routine to mf_write a single MIDI track event in the standard MIDI
+ * file format. The format is:
+ *
+ * <delta-time><event>
+ *
+ * In this case, event can be any multi-byte midi message, such as
+ * "note on", "note off", etc.
+ *
+ * delta_time - the time in ticks since the last event.
+ * type - the type of meta event.
+ * chan - The midi channel.
+ * data - A pointer to a block of chars containing the META EVENT,
+ * data.
+ * size - The length of the meta-event data.
+ */
+int
+mf_write_midi_event (delta_time, type, chan, data, size)
+ unsigned long delta_time;
+ int chan, type;
+ unsigned long size;
+ char *data;
+{
+ int i;
+ unsigned char c;
+
+ WriteVarLen (delta_time);
+
+ /* all MIDI events start with the type in the first four bits,
+ and the channel in the lower four bits */
+ if (type == system_exclusive || type == 0xf7)
+ {
+ c = type;
+ laststatus = 0;
+ }
+ else
+ c = type | chan;
+
+ if (chan > 15)
+ perror ("error: MIDI channel greater than 16\n");
+
+ if (laststatus != c)
+ eputc (laststatus = c);
+
+ if (type == system_exclusive || type == 0xf7)
+ WriteVarLen (size);
+
+ /* write out the data bytes */
+ for (i = 0; i < (int)size; i++)
+ eputc (data[i]);
+
+ return (size);
+} /* end mf_write MIDI event */
+
+/*
+ * mf_write_meta_event()
+ *
+ * Library routine to mf_write a single meta event in the standard MIDI
+ * file format. The format of a meta event is:
+ *
+ * <delta-time><FF><type><length><bytes>
+ *
+ * delta_time - the time in ticks since the last event.
+ * type - the type of meta event.
+ * data - A pointer to a block of chars containing the META EVENT,
+ * data.
+ * size - The length of the meta-event data.
+ */
+int
+mf_write_meta_event (delta_time, type, data, size)
+ unsigned long delta_time;
+ unsigned char *data, type;
+ unsigned long size;
+{
+ int i;
+
+ WriteVarLen (delta_time);
+
+ /* This marks the fact we're writing a meta-event */
+ eputc (laststatus = meta_event);
+
+ /* The type of meta event */
+ eputc (type);
+
+ /* The length of the data bytes to follow */
+ WriteVarLen (size);
+
+ for (i = 0; i < (int)size; i++)
+ {
+ if (eputc (data[i]) != data[i])
+ return (-1);
+ }
+ return (size);
+} /* end mf_write_meta_event */
+
+void
+mf_write_tempo (delta_time, tempo)
+ unsigned long delta_time;
+ unsigned long tempo;
+{
+ /* Write tempo */
+ /* all tempos are written as 120 beats/minute, */
+ /* expressed in microseconds/quarter note */
+
+ WriteVarLen (delta_time);
+ eputc (laststatus = meta_event);
+ eputc (set_tempo);
+
+ eputc (3);
+ eputc ((unsigned) (0xff & (tempo >> 16)));
+ eputc ((unsigned) (0xff & (tempo >> 8)));
+ eputc ((unsigned) (0xff & tempo));
+}
+
+void
+mf_write_seqnum (delta_time, seqnum)
+ unsigned long delta_time;
+ unsigned seqnum;
+{
+
+ WriteVarLen (delta_time);
+ eputc (laststatus = meta_event);
+ eputc (0);
+
+ eputc ((unsigned) (0xff & (seqnum >> 8)));
+ eputc ((unsigned) (0xff & seqnum));
+}
+
+unsigned long
+mf_sec2ticks (secs, division, tempo)
+ int division;
+ unsigned long tempo;
+ double secs;
+{
+ return (unsigned long) (((secs * 1000.0) / 4.0 * division) / tempo);
+}
+
+/*
+ * Write multi-length bytes to MIDI format files
+ */
+void
+WriteVarLen (value)
+ unsigned long value;
+{
+ unsigned long buffer;
+
+ buffer = value & 0x7f;
+ while ((value >>= 7) > 0)
+ {
+ buffer <<= 8;
+ buffer |= 0x80;
+ buffer += (value & 0x7f);
+ }
+ while (1)
+ {
+ eputc ((unsigned) (buffer & 0xff));
+
+ if (buffer & 0x80)
+ buffer >>= 8;
+ else
+ return;
+ }
+} /* end of WriteVarLen */
+
+/*
+ * This routine converts delta times in ticks into seconds. The
+ * else statement is needed because the formula is different for tracks
+ * based on notes and tracks based on SMPTE times.
+ *
+ */
+double
+mf_ticks2sec (ticks, division, tempo)
+ int division;
+ unsigned long tempo;
+ unsigned long ticks;
+{
+ double smpte_format, smpte_resolution;
+
+ if (division > 0)
+ return ((double) (((double) (ticks) * (double) (tempo)) / ((double) (division) * 1000000.0)));
+ else
+ {
+ smpte_format = upperbyte (division);
+ smpte_resolution = lowerbyte (division);
+ return (double) ((double) ticks / (smpte_format * smpte_resolution * 1000000.0));
+ }
+} /* end of ticks2sec() */
+
+
+/*
+ * write32bit()
+ * write16bit()
+ *
+ * These routines are used to make sure that the byte order of
+ * the various data types remains constant between machines. This
+ * helps make sure that the code will be portable from one system
+ * to the next. It is slightly dangerous that it assumes that longs
+ * have at least 32 bits and ints have at least 16 bits, but this
+ * has been true at least on PCs, UNIX machines, and Macintosh's.
+ *
+ */
+void
+write32bit (data)
+ unsigned long data;
+{
+ eputc ((unsigned) ((data >> 24) & 0xff));
+ eputc ((unsigned) ((data >> 16) & 0xff));
+ eputc ((unsigned) ((data >> 8) & 0xff));
+ eputc ((unsigned) (data & 0xff));
+}
+
+void
+write16bit (data)
+ int data;
+{
+ eputc ((unsigned) ((data & 0xff00) >> 8));
+ eputc ((unsigned) (data & 0xff));
+}
+
+/* write a single character and abort on error */
+static int
+eputc (c)
+ unsigned char c;
+{
+ int return_val;
+
+ if ((Mf_putc) == NULLFUNC)
+ {
+ mferror ("Mf_putc undefined");
+ return (-1);
+ }
+
+ return_val = (*Mf_putc) (c);
+
+ if (return_val == EOF)
+ mferror ("error writing");
+
+ Mf_numbyteswritten++;
+ return (return_val);
+}
diff --git a/test/midifile.h b/test/midifile.h
new file mode 100644
index 0000000..7dd4626
--- /dev/null
+++ b/test/midifile.h
@@ -0,0 +1,132 @@
+/* definitions for MIDI file parsing code */
+extern int (*Mf_getc)();
+extern void (*Mf_header)();
+extern void (*Mf_trackstart)();
+extern void (*Mf_trackend)();
+extern void (*Mf_noteon)();
+extern void (*Mf_noteoff)();
+extern void (*Mf_pressure)();
+extern void (*Mf_parameter)();
+extern void (*Mf_pitchbend)();
+extern void (*Mf_program)();
+extern void (*Mf_chanpressure)();
+extern void (*Mf_sysex)();
+extern void (*Mf_metamisc)();
+extern void (*Mf_seqspecific)();
+extern void (*Mf_seqnum)();
+extern void (*Mf_text)();
+extern void (*Mf_eot)();
+extern void (*Mf_timesig)();
+extern void (*Mf_smpte)();
+extern void (*Mf_tempo)();
+extern void (*Mf_keysig)();
+extern void (*Mf_arbitrary)();
+extern void (*Mf_error)();
+extern unsigned long Mf_currtime;
+extern unsigned long Mf_realtime;
+extern unsigned long Mf_currtempo;
+extern int Mf_division;
+extern int Mf_nomerge;
+#ifdef READ_MODS
+extern unsigned char *Mf_file_contents;
+extern int Mf_file_size;
+#endif
+
+/* definitions for MIDI file writing code */
+extern int (*Mf_putc)();
+extern int (*Mf_writetrack)();
+extern int (*Mf_writetempotrack)();
+
+extern void midifile();
+extern unsigned long mf_sec2ticks();
+extern void mfwrite();
+extern int mf_write_meta_event();
+extern int mf_write_midi_event(unsigned long delta_time, int type,
+ int chan, char *data, unsigned long size);
+extern double mf_ticks2sec(unsigned long ticks,int division,unsigned long tempo);
+extern void mf_write_tempo();
+extern void mf_write_seqnum();
+extern void mfread();
+extern void mferror(char *s);
+
+#ifndef NO_LC_DEFINES
+/* MIDI status commands most significant bit is 1 */
+#define note_off 0x80
+#define note_on 0x90
+#define poly_aftertouch 0xa0
+#define control_change 0xb0
+#define program_chng 0xc0
+#define channel_aftertouch 0xd0
+#define pitch_wheel 0xe0
+#define system_exclusive 0xf0
+#define delay_packet (1111)
+
+/* 7 bit controllers */
+#define damper_pedal 0x40
+#define portamento 0x41
+#define sustenuto 0x42
+#define soft_pedal 0x43
+#define general_4 0x44
+#define hold_2 0x45
+#define general_5 0x50
+#define general_6 0x51
+#define general_7 0x52
+#define general_8 0x53
+#ifndef PLAYMIDI
+#define tremolo_depth 0x5c
+#define ctrl_chorus_depth 0x5d
+#define detune 0x5e
+#define phaser_depth 0x5f
+#endif
+
+/* parameter values */
+#define data_inc 0x60
+#define data_dec 0x61
+
+/* parameter selection */
+#define non_reg_lsb 0x62
+#define non_reg_msb 0x63
+#define reg_lsb 0x64
+#define reg_msb 0x65
+
+/* Standard MIDI Files meta event definitions */
+#define meta_event 0xFF
+#define sequence_number 0x00
+#define text_event 0x01
+#define copyright_notice 0x02
+#define sequence_name 0x03
+#define instrument_name 0x04
+#define lyric 0x05
+#define marker 0x06
+#define cue_point 0x07
+#define channel_prefix 0x20
+#define end_of_track 0x2f
+#define set_tempo 0x51
+#define smpte_offset 0x54
+#define time_signature 0x58
+#define key_signature 0x59
+#define sequencer_specific 0x74
+
+/* Manufacturer's ID number */
+#define Seq_Circuits (0x01) /* Sequential Circuits Inc. */
+#define Big_Briar (0x02) /* Big Briar Inc. */
+#define Octave (0x03) /* Octave/Plateau */
+#define Moog (0x04) /* Moog Music */
+#define Passport (0x05) /* Passport Designs */
+#define Lexicon (0x06) /* Lexicon */
+#define Tempi (0x20) /* Bon Tempi */
+#define Siel (0x21) /* S.I.E.L. */
+#define Kawai (0x41)
+#define Roland (0x42)
+#define Korg (0x42)
+#define Yamaha (0x43)
+#endif
+
+/* miscellaneous definitions */
+#define MThd 0x4d546864
+#define MTrk 0x4d54726b
+
+#ifndef NO_LC_DEFINES
+#define lowerbyte(x) ((unsigned char)(x & 0xff))
+#define upperbyte(x) ((unsigned char)((x & 0xff00)>>8))
+#endif
diff --git a/test/midiloop.c b/test/midiloop.c
new file mode 100644
index 0000000..d6548b5
--- /dev/null
+++ b/test/midiloop.c
@@ -0,0 +1,190 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <sys/time.h>
+#include "../include/asoundlib.h"
+#include <string.h>
+#include <signal.h>
+
+static void usage(void)
+{
+ fprintf(stderr, "Usage: midiloop [options]\n");
+ fprintf(stderr, " options:\n");
+ fprintf(stderr, " -v: verbose mode\n");
+ fprintf(stderr, " -i <rawmidi device> : test input device\n");
+ fprintf(stderr, " -o <rawmidi device> : test output device\n");
+}
+
+int stop = 0;
+
+void sighandler(int dummy ATTRIBUTE_UNUSED)
+{
+ stop=1;
+}
+
+long long timediff(struct timeval t1, struct timeval t2)
+{
+ signed long l;
+
+ t1.tv_sec -= t2.tv_sec;
+ l = (signed long) t1.tv_usec - (signed long) t2.tv_usec;
+ if (l < 0) {
+ t1.tv_sec--;
+ l = -l;
+ l %= 1000000;
+ }
+ return ((long long)t1.tv_sec * (long long)1000000) + (long long)l;
+}
+
+int writepattern(snd_rawmidi_t *handle_out, unsigned char *obuf)
+{
+ int patsize, i;
+
+ patsize = 0;
+ for (i = 0; i < 15; i++) {
+ obuf[patsize++] = 0x90 + i;
+ obuf[patsize++] = 0x40;
+ obuf[patsize++] = 0x3f;
+ obuf[patsize++] = 0xb0 + i;
+ obuf[patsize++] = 0x2e;
+ obuf[patsize++] = 0x7a;
+ obuf[patsize++] = 0x80 + i;
+ obuf[patsize++] = 0x23;
+ obuf[patsize++] = 0x24;
+ obuf[patsize++] = 0xf0;
+ obuf[patsize++] = i;
+ obuf[patsize++] = 0xf7;
+ }
+ i = snd_rawmidi_write(handle_out, obuf, patsize);
+ if (i != patsize) {
+ printf("Written only %i bytes from %i bytes\n", i, patsize);
+ exit(EXIT_FAILURE);
+ }
+ return patsize;
+}
+
+int main(int argc, char** argv)
+{
+ int i, j, k, opos, ipos, patsize;
+ int err;
+ int verbose = 0;
+ snd_rawmidi_t *handle_in = NULL, *handle_out = NULL;
+ unsigned char ibuf[512], obuf[512];
+ char *iname = "hw:0,0", *oname = "hw:0,0";
+ struct timeval start, end;
+ long long diff;
+ snd_rawmidi_status_t *istat, *ostat;
+
+ for (i = 1 ; i<argc ; i++) {
+ if (argv[i][0]=='-') {
+ if (!strcmp(argv[i], "--help")) {
+ usage();
+ return 0;
+ }
+ switch (argv[i][1]) {
+ case 'h':
+ usage();
+ return 0;
+ case 'v':
+ verbose = 1;
+ break;
+ case 'i':
+ if (i + 1 < argc)
+ iname = argv[++i];
+ break;
+ case 'o':
+ if (i + 1 < argc)
+ oname = argv[++i];
+ break;
+ }
+ }
+ }
+
+ if (iname == NULL)
+ iname = oname;
+ if (oname == NULL)
+ oname = iname;
+
+ if (verbose) {
+ fprintf(stderr, "Using: \n");
+ fprintf(stderr, " Input: %s Output: %s\n", iname, oname);
+ }
+
+ err = snd_rawmidi_open(&handle_in, NULL, iname, SND_RAWMIDI_NONBLOCK);
+ if (err) {
+ fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",iname,err);
+ exit(EXIT_FAILURE);
+ }
+
+ err = snd_rawmidi_open(NULL, &handle_out, oname, 0);
+ if (err) {
+ fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",oname,err);
+ exit(EXIT_FAILURE);
+ }
+
+ signal(SIGINT, sighandler);
+
+ i = snd_rawmidi_read(handle_in, ibuf, sizeof(ibuf));
+ if (i > 0) {
+ printf("Read ahead: %i\n", i);
+ for (j = 0; j < i; j++)
+ printf("%02x:", ibuf[j]);
+ printf("\n");
+ exit(EXIT_FAILURE);
+ }
+
+ snd_rawmidi_nonblock(handle_in, 0);
+
+ patsize = writepattern(handle_out, obuf);
+ gettimeofday(&start, NULL);
+ patsize = writepattern(handle_out, obuf);
+
+ k = ipos = opos = err = 0;
+ while (!stop) {
+ i = snd_rawmidi_read(handle_in, ibuf, sizeof(ibuf));
+ for (j = 0; j < i; j++, ipos++)
+ if (obuf[k] != ibuf[j]) {
+ printf("ipos = %i, i[0x%x] != o[0x%x]\n", ipos, ibuf[j], obuf[k]);
+ if (opos > 0)
+ stop = 1;
+ } else {
+ printf("match success: ipos = %i, opos = %i [%i:0x%x]\n", ipos, opos, k, obuf[k]);
+ k++; opos++;
+ if (k >= patsize) {
+ patsize = writepattern(handle_out, obuf);
+ k = 0;
+ }
+ }
+ }
+
+ gettimeofday(&end, NULL);
+
+ printf("End...\n");
+
+ snd_rawmidi_status_alloca(&istat);
+ snd_rawmidi_status_alloca(&ostat);
+ err = snd_rawmidi_status(handle_in, istat);
+ if (err < 0)
+ fprintf(stderr, "input stream status error: %d\n", err);
+ err = snd_rawmidi_status(handle_out, ostat);
+ if (err < 0)
+ fprintf(stderr, "output stream status error: %d\n", err);
+ printf("input.status.avail = %zi\n", snd_rawmidi_status_get_avail(istat));
+ printf("input.status.xruns = %zi\n", snd_rawmidi_status_get_xruns(istat));
+ printf("output.status.avail = %zi\n", snd_rawmidi_status_get_avail(ostat));
+ printf("output.status.xruns = %zi\n", snd_rawmidi_status_get_xruns(ostat));
+
+ diff = timediff(end, start);
+ printf("Time diff: %lliusec (%lli bytes/sec)\n", diff, ((long long)opos * 1000000) / diff);
+
+ if (verbose) {
+ fprintf(stderr,"Closing\n");
+ }
+
+ snd_rawmidi_drain(handle_in);
+ snd_rawmidi_close(handle_in);
+ snd_rawmidi_drain(handle_out);
+ snd_rawmidi_close(handle_out);
+
+ return 0;
+}
diff --git a/test/namehint.c b/test/namehint.c
new file mode 100644
index 0000000..e978d5c
--- /dev/null
+++ b/test/namehint.c
@@ -0,0 +1,22 @@
+#include "../include/asoundlib.h"
+#include <err.h>
+
+int main(int argc, char *argv[])
+{
+ const char *iface = "pcm";
+ char **hints, **n;
+ int err;
+
+ if (argc > 1)
+ iface = argv[1];
+ err = snd_device_name_hint(-1, iface, &hints);
+ if (err < 0)
+ errx(1, "snd_device_name_hint error: %s", snd_strerror(err));
+ n = hints;
+ while (*n != NULL) {
+ printf("%s\n", *n);
+ n++;
+ }
+ snd_device_name_free_hint(hints);
+ return 0;
+}
diff --git a/test/oldapi.c b/test/oldapi.c
new file mode 100644
index 0000000..e325f4c
--- /dev/null
+++ b/test/oldapi.c
@@ -0,0 +1,42 @@
+/*
+ * Old PCM API compilation test
+ *
+ * Author: Jaroslav Kysela <perex@perex.cz>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sched.h>
+#include <errno.h>
+#include <getopt.h>
+#define ALSA_PCM_OLD_HW_PARAMS_API
+#define ALSA_PCM_OLD_SW_PARAMS_API
+#include "../include/asoundlib.h"
+#include <sys/time.h>
+
+typedef void (myfcn)(void *);
+
+int main(int argc ATTRIBUTE_UNUSED, char *argv[] ATTRIBUTE_UNUSED)
+{
+ myfcn *fcn;
+ snd_pcm_hw_params_get_access(NULL);
+ fcn = &snd_pcm_hw_params_get_access;
+ return 0;
+}
diff --git a/test/pcm.c b/test/pcm.c
new file mode 100644
index 0000000..abb83e4
--- /dev/null
+++ b/test/pcm.c
@@ -0,0 +1,925 @@
+/*
+ * This small demo sends a simple sinusoidal wave to your speakers.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sched.h>
+#include <errno.h>
+#include <getopt.h>
+#include "../include/asoundlib.h"
+#include <sys/time.h>
+#include <math.h>
+
+static char *device = "plughw:0,0"; /* playback device */
+static snd_pcm_format_t format = SND_PCM_FORMAT_S16; /* sample format */
+static unsigned int rate = 44100; /* stream rate */
+static unsigned int channels = 1; /* count of channels */
+static unsigned int buffer_time = 500000; /* ring buffer length in us */
+static unsigned int period_time = 100000; /* period time in us */
+static double freq = 440; /* sinusoidal wave frequency in Hz */
+static int verbose = 0; /* verbose flag */
+static int resample = 1; /* enable alsa-lib resampling */
+static int period_event = 0; /* produce poll event after each period */
+
+static snd_pcm_sframes_t buffer_size;
+static snd_pcm_sframes_t period_size;
+static snd_output_t *output = NULL;
+
+static void generate_sine(const snd_pcm_channel_area_t *areas,
+ snd_pcm_uframes_t offset,
+ int count, double *_phase)
+{
+ static double max_phase = 2. * M_PI;
+ double phase = *_phase;
+ double step = max_phase*freq/(double)rate;
+ unsigned char *samples[channels];
+ int steps[channels];
+ unsigned int chn;
+ int format_bits = snd_pcm_format_width(format);
+ unsigned int maxval = (1 << (format_bits - 1)) - 1;
+ int bps = format_bits / 8; /* bytes per sample */
+ int phys_bps = snd_pcm_format_physical_width(format) / 8;
+ int big_endian = snd_pcm_format_big_endian(format) == 1;
+ int to_unsigned = snd_pcm_format_unsigned(format) == 1;
+ int is_float = (format == SND_PCM_FORMAT_FLOAT_LE ||
+ format == SND_PCM_FORMAT_FLOAT_BE);
+
+ /* verify and prepare the contents of areas */
+ for (chn = 0; chn < channels; chn++) {
+ if ((areas[chn].first % 8) != 0) {
+ printf("areas[%i].first == %i, aborting...\n", chn, areas[chn].first);
+ exit(EXIT_FAILURE);
+ }
+ samples[chn] = /*(signed short *)*/(((unsigned char *)areas[chn].addr) + (areas[chn].first / 8));
+ if ((areas[chn].step % 16) != 0) {
+ printf("areas[%i].step == %i, aborting...\n", chn, areas[chn].step);
+ exit(EXIT_FAILURE);
+ }
+ steps[chn] = areas[chn].step / 8;
+ samples[chn] += offset * steps[chn];
+ }
+ /* fill the channel areas */
+ while (count-- > 0) {
+ union {
+ float f;
+ int i;
+ } fval;
+ int res, i;
+ if (is_float) {
+ fval.f = sin(phase) * maxval;
+ res = fval.i;
+ } else
+ res = sin(phase) * maxval;
+ if (to_unsigned)
+ res ^= 1U << (format_bits - 1);
+ for (chn = 0; chn < channels; chn++) {
+ /* Generate data in native endian format */
+ if (big_endian) {
+ for (i = 0; i < bps; i++)
+ *(samples[chn] + phys_bps - 1 - i) = (res >> i * 8) & 0xff;
+ } else {
+ for (i = 0; i < bps; i++)
+ *(samples[chn] + i) = (res >> i * 8) & 0xff;
+ }
+ samples[chn] += steps[chn];
+ }
+ phase += step;
+ if (phase >= max_phase)
+ phase -= max_phase;
+ }
+ *_phase = phase;
+}
+
+static int set_hwparams(snd_pcm_t *handle,
+ snd_pcm_hw_params_t *params,
+ snd_pcm_access_t access)
+{
+ unsigned int rrate;
+ snd_pcm_uframes_t size;
+ int err, dir;
+
+ /* choose all parameters */
+ err = snd_pcm_hw_params_any(handle, params);
+ if (err < 0) {
+ printf("Broken configuration for playback: no configurations available: %s\n", snd_strerror(err));
+ return err;
+ }
+ /* set hardware resampling */
+ err = snd_pcm_hw_params_set_rate_resample(handle, params, resample);
+ if (err < 0) {
+ printf("Resampling setup failed for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ /* set the interleaved read/write format */
+ err = snd_pcm_hw_params_set_access(handle, params, access);
+ if (err < 0) {
+ printf("Access type not available for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ /* set the sample format */
+ err = snd_pcm_hw_params_set_format(handle, params, format);
+ if (err < 0) {
+ printf("Sample format not available for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ /* set the count of channels */
+ err = snd_pcm_hw_params_set_channels(handle, params, channels);
+ if (err < 0) {
+ printf("Channels count (%i) not available for playbacks: %s\n", channels, snd_strerror(err));
+ return err;
+ }
+ /* set the stream rate */
+ rrate = rate;
+ err = snd_pcm_hw_params_set_rate_near(handle, params, &rrate, 0);
+ if (err < 0) {
+ printf("Rate %iHz not available for playback: %s\n", rate, snd_strerror(err));
+ return err;
+ }
+ if (rrate != rate) {
+ printf("Rate doesn't match (requested %iHz, get %iHz)\n", rate, err);
+ return -EINVAL;
+ }
+ /* set the buffer time */
+ err = snd_pcm_hw_params_set_buffer_time_near(handle, params, &buffer_time, &dir);
+ if (err < 0) {
+ printf("Unable to set buffer time %i for playback: %s\n", buffer_time, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_hw_params_get_buffer_size(params, &size);
+ if (err < 0) {
+ printf("Unable to get buffer size for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ buffer_size = size;
+ /* set the period time */
+ err = snd_pcm_hw_params_set_period_time_near(handle, params, &period_time, &dir);
+ if (err < 0) {
+ printf("Unable to set period time %i for playback: %s\n", period_time, snd_strerror(err));
+ return err;
+ }
+ err = snd_pcm_hw_params_get_period_size(params, &size, &dir);
+ if (err < 0) {
+ printf("Unable to get period size for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ period_size = size;
+ /* write the parameters to device */
+ err = snd_pcm_hw_params(handle, params);
+ if (err < 0) {
+ printf("Unable to set hw params for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ return 0;
+}
+
+static int set_swparams(snd_pcm_t *handle, snd_pcm_sw_params_t *swparams)
+{
+ int err;
+
+ /* get the current swparams */
+ err = snd_pcm_sw_params_current(handle, swparams);
+ if (err < 0) {
+ printf("Unable to determine current swparams for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ /* start the transfer when the buffer is almost full: */
+ /* (buffer_size / avail_min) * avail_min */
+ err = snd_pcm_sw_params_set_start_threshold(handle, swparams, (buffer_size / period_size) * period_size);
+ if (err < 0) {
+ printf("Unable to set start threshold mode for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ /* allow the transfer when at least period_size samples can be processed */
+ /* or disable this mechanism when period event is enabled (aka interrupt like style processing) */
+ err = snd_pcm_sw_params_set_avail_min(handle, swparams, period_event ? buffer_size : period_size);
+ if (err < 0) {
+ printf("Unable to set avail min for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ /* enable period events when requested */
+ if (period_event) {
+ err = snd_pcm_sw_params_set_period_event(handle, swparams, 1);
+ if (err < 0) {
+ printf("Unable to set period event: %s\n", snd_strerror(err));
+ return err;
+ }
+ }
+ /* write the parameters to the playback device */
+ err = snd_pcm_sw_params(handle, swparams);
+ if (err < 0) {
+ printf("Unable to set sw params for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+ return 0;
+}
+
+/*
+ * Underrun and suspend recovery
+ */
+
+static int xrun_recovery(snd_pcm_t *handle, int err)
+{
+ if (verbose)
+ printf("stream recovery\n");
+ if (err == -EPIPE) { /* under-run */
+ err = snd_pcm_prepare(handle);
+ if (err < 0)
+ printf("Can't recovery from underrun, prepare failed: %s\n", snd_strerror(err));
+ return 0;
+ } else if (err == -ESTRPIPE) {
+ while ((err = snd_pcm_resume(handle)) == -EAGAIN)
+ sleep(1); /* wait until the suspend flag is released */
+ if (err < 0) {
+ err = snd_pcm_prepare(handle);
+ if (err < 0)
+ printf("Can't recovery from suspend, prepare failed: %s\n", snd_strerror(err));
+ }
+ return 0;
+ }
+ return err;
+}
+
+/*
+ * Transfer method - write only
+ */
+
+static int write_loop(snd_pcm_t *handle,
+ signed short *samples,
+ snd_pcm_channel_area_t *areas)
+{
+ double phase = 0;
+ signed short *ptr;
+ int err, cptr;
+
+ while (1) {
+ generate_sine(areas, 0, period_size, &phase);
+ ptr = samples;
+ cptr = period_size;
+ while (cptr > 0) {
+ err = snd_pcm_writei(handle, ptr, cptr);
+ if (err == -EAGAIN)
+ continue;
+ if (err < 0) {
+ if (xrun_recovery(handle, err) < 0) {
+ printf("Write error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ break; /* skip one period */
+ }
+ ptr += err * channels;
+ cptr -= err;
+ }
+ }
+}
+
+/*
+ * Transfer method - write and wait for room in buffer using poll
+ */
+
+static int wait_for_poll(snd_pcm_t *handle, struct pollfd *ufds, unsigned int count)
+{
+ unsigned short revents;
+
+ while (1) {
+ poll(ufds, count, -1);
+ snd_pcm_poll_descriptors_revents(handle, ufds, count, &revents);
+ if (revents & POLLERR)
+ return -EIO;
+ if (revents & POLLOUT)
+ return 0;
+ }
+}
+
+static int write_and_poll_loop(snd_pcm_t *handle,
+ signed short *samples,
+ snd_pcm_channel_area_t *areas)
+{
+ struct pollfd *ufds;
+ double phase = 0;
+ signed short *ptr;
+ int err, count, cptr, init;
+
+ count = snd_pcm_poll_descriptors_count (handle);
+ if (count <= 0) {
+ printf("Invalid poll descriptors count\n");
+ return count;
+ }
+
+ ufds = malloc(sizeof(struct pollfd) * count);
+ if (ufds == NULL) {
+ printf("No enough memory\n");
+ return -ENOMEM;
+ }
+ if ((err = snd_pcm_poll_descriptors(handle, ufds, count)) < 0) {
+ printf("Unable to obtain poll descriptors for playback: %s\n", snd_strerror(err));
+ return err;
+ }
+
+ init = 1;
+ while (1) {
+ if (!init) {
+ err = wait_for_poll(handle, ufds, count);
+ if (err < 0) {
+ if (snd_pcm_state(handle) == SND_PCM_STATE_XRUN ||
+ snd_pcm_state(handle) == SND_PCM_STATE_SUSPENDED) {
+ err = snd_pcm_state(handle) == SND_PCM_STATE_XRUN ? -EPIPE : -ESTRPIPE;
+ if (xrun_recovery(handle, err) < 0) {
+ printf("Write error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ init = 1;
+ } else {
+ printf("Wait for poll failed\n");
+ return err;
+ }
+ }
+ }
+
+ generate_sine(areas, 0, period_size, &phase);
+ ptr = samples;
+ cptr = period_size;
+ while (cptr > 0) {
+ err = snd_pcm_writei(handle, ptr, cptr);
+ if (err < 0) {
+ if (xrun_recovery(handle, err) < 0) {
+ printf("Write error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ init = 1;
+ break; /* skip one period */
+ }
+ if (snd_pcm_state(handle) == SND_PCM_STATE_RUNNING)
+ init = 0;
+ ptr += err * channels;
+ cptr -= err;
+ if (cptr == 0)
+ break;
+ /* it is possible, that the initial buffer cannot store */
+ /* all data from the last period, so wait awhile */
+ err = wait_for_poll(handle, ufds, count);
+ if (err < 0) {
+ if (snd_pcm_state(handle) == SND_PCM_STATE_XRUN ||
+ snd_pcm_state(handle) == SND_PCM_STATE_SUSPENDED) {
+ err = snd_pcm_state(handle) == SND_PCM_STATE_XRUN ? -EPIPE : -ESTRPIPE;
+ if (xrun_recovery(handle, err) < 0) {
+ printf("Write error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ init = 1;
+ } else {
+ printf("Wait for poll failed\n");
+ return err;
+ }
+ }
+ }
+ }
+}
+
+/*
+ * Transfer method - asynchronous notification
+ */
+
+struct async_private_data {
+ signed short *samples;
+ snd_pcm_channel_area_t *areas;
+ double phase;
+};
+
+static void async_callback(snd_async_handler_t *ahandler)
+{
+ snd_pcm_t *handle = snd_async_handler_get_pcm(ahandler);
+ struct async_private_data *data = snd_async_handler_get_callback_private(ahandler);
+ signed short *samples = data->samples;
+ snd_pcm_channel_area_t *areas = data->areas;
+ snd_pcm_sframes_t avail;
+ int err;
+
+ avail = snd_pcm_avail_update(handle);
+ while (avail >= period_size) {
+ generate_sine(areas, 0, period_size, &data->phase);
+ err = snd_pcm_writei(handle, samples, period_size);
+ if (err < 0) {
+ printf("Write error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ if (err != period_size) {
+ printf("Write error: written %i expected %li\n", err, period_size);
+ exit(EXIT_FAILURE);
+ }
+ avail = snd_pcm_avail_update(handle);
+ }
+}
+
+static int async_loop(snd_pcm_t *handle,
+ signed short *samples,
+ snd_pcm_channel_area_t *areas)
+{
+ struct async_private_data data;
+ snd_async_handler_t *ahandler;
+ int err, count;
+
+ data.samples = samples;
+ data.areas = areas;
+ data.phase = 0;
+ err = snd_async_add_pcm_handler(&ahandler, handle, async_callback, &data);
+ if (err < 0) {
+ printf("Unable to register async handler\n");
+ exit(EXIT_FAILURE);
+ }
+ for (count = 0; count < 2; count++) {
+ generate_sine(areas, 0, period_size, &data.phase);
+ err = snd_pcm_writei(handle, samples, period_size);
+ if (err < 0) {
+ printf("Initial write error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ if (err != period_size) {
+ printf("Initial write error: written %i expected %li\n", err, period_size);
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (snd_pcm_state(handle) == SND_PCM_STATE_PREPARED) {
+ err = snd_pcm_start(handle);
+ if (err < 0) {
+ printf("Start error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ /* because all other work is done in the signal handler,
+ suspend the process */
+ while (1) {
+ sleep(1);
+ }
+}
+
+/*
+ * Transfer method - asynchronous notification + direct write
+ */
+
+static void async_direct_callback(snd_async_handler_t *ahandler)
+{
+ snd_pcm_t *handle = snd_async_handler_get_pcm(ahandler);
+ struct async_private_data *data = snd_async_handler_get_callback_private(ahandler);
+ const snd_pcm_channel_area_t *my_areas;
+ snd_pcm_uframes_t offset, frames, size;
+ snd_pcm_sframes_t avail, commitres;
+ snd_pcm_state_t state;
+ int first = 0, err;
+
+ while (1) {
+ state = snd_pcm_state(handle);
+ if (state == SND_PCM_STATE_XRUN) {
+ err = xrun_recovery(handle, -EPIPE);
+ if (err < 0) {
+ printf("XRUN recovery failed: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ first = 1;
+ } else if (state == SND_PCM_STATE_SUSPENDED) {
+ err = xrun_recovery(handle, -ESTRPIPE);
+ if (err < 0) {
+ printf("SUSPEND recovery failed: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ }
+ avail = snd_pcm_avail_update(handle);
+ if (avail < 0) {
+ err = xrun_recovery(handle, avail);
+ if (err < 0) {
+ printf("avail update failed: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ first = 1;
+ continue;
+ }
+ if (avail < period_size) {
+ if (first) {
+ first = 0;
+ err = snd_pcm_start(handle);
+ if (err < 0) {
+ printf("Start error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ break;
+ }
+ continue;
+ }
+ size = period_size;
+ while (size > 0) {
+ frames = size;
+ err = snd_pcm_mmap_begin(handle, &my_areas, &offset, &frames);
+ if (err < 0) {
+ if ((err = xrun_recovery(handle, err)) < 0) {
+ printf("MMAP begin avail error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ first = 1;
+ }
+ generate_sine(my_areas, offset, frames, &data->phase);
+ commitres = snd_pcm_mmap_commit(handle, offset, frames);
+ if (commitres < 0 || (snd_pcm_uframes_t)commitres != frames) {
+ if ((err = xrun_recovery(handle, commitres >= 0 ? -EPIPE : commitres)) < 0) {
+ printf("MMAP commit error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ first = 1;
+ }
+ size -= frames;
+ }
+ }
+}
+
+static int async_direct_loop(snd_pcm_t *handle,
+ signed short *samples ATTRIBUTE_UNUSED,
+ snd_pcm_channel_area_t *areas ATTRIBUTE_UNUSED)
+{
+ struct async_private_data data;
+ snd_async_handler_t *ahandler;
+ const snd_pcm_channel_area_t *my_areas;
+ snd_pcm_uframes_t offset, frames, size;
+ snd_pcm_sframes_t commitres;
+ int err, count;
+
+ data.samples = NULL; /* we do not require the global sample area for direct write */
+ data.areas = NULL; /* we do not require the global areas for direct write */
+ data.phase = 0;
+ err = snd_async_add_pcm_handler(&ahandler, handle, async_direct_callback, &data);
+ if (err < 0) {
+ printf("Unable to register async handler\n");
+ exit(EXIT_FAILURE);
+ }
+ for (count = 0; count < 2; count++) {
+ size = period_size;
+ while (size > 0) {
+ frames = size;
+ err = snd_pcm_mmap_begin(handle, &my_areas, &offset, &frames);
+ if (err < 0) {
+ if ((err = xrun_recovery(handle, err)) < 0) {
+ printf("MMAP begin avail error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ }
+ generate_sine(my_areas, offset, frames, &data.phase);
+ commitres = snd_pcm_mmap_commit(handle, offset, frames);
+ if (commitres < 0 || (snd_pcm_uframes_t)commitres != frames) {
+ if ((err = xrun_recovery(handle, commitres >= 0 ? -EPIPE : commitres)) < 0) {
+ printf("MMAP commit error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ }
+ size -= frames;
+ }
+ }
+ err = snd_pcm_start(handle);
+ if (err < 0) {
+ printf("Start error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+
+ /* because all other work is done in the signal handler,
+ suspend the process */
+ while (1) {
+ sleep(1);
+ }
+}
+
+/*
+ * Transfer method - direct write only
+ */
+
+static int direct_loop(snd_pcm_t *handle,
+ signed short *samples ATTRIBUTE_UNUSED,
+ snd_pcm_channel_area_t *areas ATTRIBUTE_UNUSED)
+{
+ double phase = 0;
+ const snd_pcm_channel_area_t *my_areas;
+ snd_pcm_uframes_t offset, frames, size;
+ snd_pcm_sframes_t avail, commitres;
+ snd_pcm_state_t state;
+ int err, first = 1;
+
+ while (1) {
+ state = snd_pcm_state(handle);
+ if (state == SND_PCM_STATE_XRUN) {
+ err = xrun_recovery(handle, -EPIPE);
+ if (err < 0) {
+ printf("XRUN recovery failed: %s\n", snd_strerror(err));
+ return err;
+ }
+ first = 1;
+ } else if (state == SND_PCM_STATE_SUSPENDED) {
+ err = xrun_recovery(handle, -ESTRPIPE);
+ if (err < 0) {
+ printf("SUSPEND recovery failed: %s\n", snd_strerror(err));
+ return err;
+ }
+ }
+ avail = snd_pcm_avail_update(handle);
+ if (avail < 0) {
+ err = xrun_recovery(handle, avail);
+ if (err < 0) {
+ printf("avail update failed: %s\n", snd_strerror(err));
+ return err;
+ }
+ first = 1;
+ continue;
+ }
+ if (avail < period_size) {
+ if (first) {
+ first = 0;
+ err = snd_pcm_start(handle);
+ if (err < 0) {
+ printf("Start error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ err = snd_pcm_wait(handle, -1);
+ if (err < 0) {
+ if ((err = xrun_recovery(handle, err)) < 0) {
+ printf("snd_pcm_wait error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ first = 1;
+ }
+ }
+ continue;
+ }
+ size = period_size;
+ while (size > 0) {
+ frames = size;
+ err = snd_pcm_mmap_begin(handle, &my_areas, &offset, &frames);
+ if (err < 0) {
+ if ((err = xrun_recovery(handle, err)) < 0) {
+ printf("MMAP begin avail error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ first = 1;
+ }
+ generate_sine(my_areas, offset, frames, &phase);
+ commitres = snd_pcm_mmap_commit(handle, offset, frames);
+ if (commitres < 0 || (snd_pcm_uframes_t)commitres != frames) {
+ if ((err = xrun_recovery(handle, commitres >= 0 ? -EPIPE : commitres)) < 0) {
+ printf("MMAP commit error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ first = 1;
+ }
+ size -= frames;
+ }
+ }
+}
+
+/*
+ * Transfer method - direct write only using mmap_write functions
+ */
+
+static int direct_write_loop(snd_pcm_t *handle,
+ signed short *samples,
+ snd_pcm_channel_area_t *areas)
+{
+ double phase = 0;
+ signed short *ptr;
+ int err, cptr;
+
+ while (1) {
+ generate_sine(areas, 0, period_size, &phase);
+ ptr = samples;
+ cptr = period_size;
+ while (cptr > 0) {
+ err = snd_pcm_mmap_writei(handle, ptr, cptr);
+ if (err == -EAGAIN)
+ continue;
+ if (err < 0) {
+ if (xrun_recovery(handle, err) < 0) {
+ printf("Write error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ break; /* skip one period */
+ }
+ ptr += err * channels;
+ cptr -= err;
+ }
+ }
+}
+
+/*
+ *
+ */
+
+struct transfer_method {
+ const char *name;
+ snd_pcm_access_t access;
+ int (*transfer_loop)(snd_pcm_t *handle,
+ signed short *samples,
+ snd_pcm_channel_area_t *areas);
+};
+
+static struct transfer_method transfer_methods[] = {
+ { "write", SND_PCM_ACCESS_RW_INTERLEAVED, write_loop },
+ { "write_and_poll", SND_PCM_ACCESS_RW_INTERLEAVED, write_and_poll_loop },
+ { "async", SND_PCM_ACCESS_RW_INTERLEAVED, async_loop },
+ { "async_direct", SND_PCM_ACCESS_MMAP_INTERLEAVED, async_direct_loop },
+ { "direct_interleaved", SND_PCM_ACCESS_MMAP_INTERLEAVED, direct_loop },
+ { "direct_noninterleaved", SND_PCM_ACCESS_MMAP_NONINTERLEAVED, direct_loop },
+ { "direct_write", SND_PCM_ACCESS_MMAP_INTERLEAVED, direct_write_loop },
+ { NULL, SND_PCM_ACCESS_RW_INTERLEAVED, NULL }
+};
+
+static void help(void)
+{
+ int k;
+ printf(
+"Usage: pcm [OPTION]... [FILE]...\n"
+"-h,--help help\n"
+"-D,--device playback device\n"
+"-r,--rate stream rate in Hz\n"
+"-c,--channels count of channels in stream\n"
+"-f,--frequency sine wave frequency in Hz\n"
+"-b,--buffer ring buffer size in us\n"
+"-p,--period period size in us\n"
+"-m,--method transfer method\n"
+"-o,--format sample format\n"
+"-v,--verbose show the PCM setup parameters\n"
+"-n,--noresample do not resample\n"
+"-e,--pevent enable poll event after each period\n"
+"\n");
+ printf("Recognized sample formats are:");
+ for (k = 0; k < SND_PCM_FORMAT_LAST; ++k) {
+ const char *s = snd_pcm_format_name(k);
+ if (s)
+ printf(" %s", s);
+ }
+ printf("\n");
+ printf("Recognized transfer methods are:");
+ for (k = 0; transfer_methods[k].name; k++)
+ printf(" %s", transfer_methods[k].name);
+ printf("\n");
+}
+
+int main(int argc, char *argv[])
+{
+ struct option long_option[] =
+ {
+ {"help", 0, NULL, 'h'},
+ {"device", 1, NULL, 'D'},
+ {"rate", 1, NULL, 'r'},
+ {"channels", 1, NULL, 'c'},
+ {"frequency", 1, NULL, 'f'},
+ {"buffer", 1, NULL, 'b'},
+ {"period", 1, NULL, 'p'},
+ {"method", 1, NULL, 'm'},
+ {"format", 1, NULL, 'o'},
+ {"verbose", 1, NULL, 'v'},
+ {"noresample", 1, NULL, 'n'},
+ {"pevent", 1, NULL, 'e'},
+ {NULL, 0, NULL, 0},
+ };
+ snd_pcm_t *handle;
+ int err, morehelp;
+ snd_pcm_hw_params_t *hwparams;
+ snd_pcm_sw_params_t *swparams;
+ int method = 0;
+ signed short *samples;
+ unsigned int chn;
+ snd_pcm_channel_area_t *areas;
+
+ snd_pcm_hw_params_alloca(&hwparams);
+ snd_pcm_sw_params_alloca(&swparams);
+
+ morehelp = 0;
+ while (1) {
+ int c;
+ if ((c = getopt_long(argc, argv, "hD:r:c:f:b:p:m:o:vne", long_option, NULL)) < 0)
+ break;
+ switch (c) {
+ case 'h':
+ morehelp++;
+ break;
+ case 'D':
+ device = strdup(optarg);
+ break;
+ case 'r':
+ rate = atoi(optarg);
+ rate = rate < 4000 ? 4000 : rate;
+ rate = rate > 196000 ? 196000 : rate;
+ break;
+ case 'c':
+ channels = atoi(optarg);
+ channels = channels < 1 ? 1 : channels;
+ channels = channels > 1024 ? 1024 : channels;
+ break;
+ case 'f':
+ freq = atoi(optarg);
+ freq = freq < 50 ? 50 : freq;
+ freq = freq > 5000 ? 5000 : freq;
+ break;
+ case 'b':
+ buffer_time = atoi(optarg);
+ buffer_time = buffer_time < 1000 ? 1000 : buffer_time;
+ buffer_time = buffer_time > 1000000 ? 1000000 : buffer_time;
+ break;
+ case 'p':
+ period_time = atoi(optarg);
+ period_time = period_time < 1000 ? 1000 : period_time;
+ period_time = period_time > 1000000 ? 1000000 : period_time;
+ break;
+ case 'm':
+ for (method = 0; transfer_methods[method].name; method++)
+ if (!strcasecmp(transfer_methods[method].name, optarg))
+ break;
+ if (transfer_methods[method].name == NULL)
+ method = 0;
+ break;
+ case 'o':
+ for (format = 0; format < SND_PCM_FORMAT_LAST; format++) {
+ const char *format_name = snd_pcm_format_name(format);
+ if (format_name)
+ if (!strcasecmp(format_name, optarg))
+ break;
+ }
+ if (format == SND_PCM_FORMAT_LAST)
+ format = SND_PCM_FORMAT_S16;
+ if (!snd_pcm_format_linear(format) &&
+ !(format == SND_PCM_FORMAT_FLOAT_LE ||
+ format == SND_PCM_FORMAT_FLOAT_BE)) {
+ printf("Invalid (non-linear/float) format %s\n",
+ optarg);
+ return 1;
+ }
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ case 'n':
+ resample = 0;
+ break;
+ case 'e':
+ period_event = 1;
+ break;
+ }
+ }
+
+ if (morehelp) {
+ help();
+ return 0;
+ }
+
+ err = snd_output_stdio_attach(&output, stdout, 0);
+ if (err < 0) {
+ printf("Output failed: %s\n", snd_strerror(err));
+ return 0;
+ }
+
+ printf("Playback device is %s\n", device);
+ printf("Stream parameters are %iHz, %s, %i channels\n", rate, snd_pcm_format_name(format), channels);
+ printf("Sine wave rate is %.4fHz\n", freq);
+ printf("Using transfer method: %s\n", transfer_methods[method].name);
+
+ if ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) {
+ printf("Playback open error: %s\n", snd_strerror(err));
+ return 0;
+ }
+
+ if ((err = set_hwparams(handle, hwparams, transfer_methods[method].access)) < 0) {
+ printf("Setting of hwparams failed: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ if ((err = set_swparams(handle, swparams)) < 0) {
+ printf("Setting of swparams failed: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+
+ if (verbose > 0)
+ snd_pcm_dump(handle, output);
+
+ samples = malloc((period_size * channels * snd_pcm_format_physical_width(format)) / 8);
+ if (samples == NULL) {
+ printf("No enough memory\n");
+ exit(EXIT_FAILURE);
+ }
+
+ areas = calloc(channels, sizeof(snd_pcm_channel_area_t));
+ if (areas == NULL) {
+ printf("No enough memory\n");
+ exit(EXIT_FAILURE);
+ }
+ for (chn = 0; chn < channels; chn++) {
+ areas[chn].addr = samples;
+ areas[chn].first = chn * snd_pcm_format_physical_width(format);
+ areas[chn].step = channels * snd_pcm_format_physical_width(format);
+ }
+
+ err = transfer_methods[method].transfer_loop(handle, samples, areas);
+ if (err < 0)
+ printf("Transfer failed: %s\n", snd_strerror(err));
+
+ free(areas);
+ free(samples);
+ snd_pcm_close(handle);
+ return 0;
+}
+
diff --git a/test/pcm_min.c b/test/pcm_min.c
new file mode 100644
index 0000000..e971405
--- /dev/null
+++ b/test/pcm_min.c
@@ -0,0 +1,51 @@
+/*
+ * This extra small demo sends a random samples to your speakers.
+ */
+
+#include "../include/asoundlib.h"
+
+static char *device = "default"; /* playback device */
+
+snd_output_t *output = NULL;
+unsigned char buffer[16*1024]; /* some random data */
+
+int main(void)
+{
+ int err;
+ unsigned int i;
+ snd_pcm_t *handle;
+ snd_pcm_sframes_t frames;
+
+ for (i = 0; i < sizeof(buffer); i++)
+ buffer[i] = random() & 0xff;
+
+ if ((err = snd_pcm_open(&handle, device, SND_PCM_STREAM_PLAYBACK, 0)) < 0) {
+ printf("Playback open error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ if ((err = snd_pcm_set_params(handle,
+ SND_PCM_FORMAT_U8,
+ SND_PCM_ACCESS_RW_INTERLEAVED,
+ 1,
+ 48000,
+ 1,
+ 500000)) < 0) { /* 0.5sec */
+ printf("Playback open error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+
+ for (i = 0; i < 16; i++) {
+ frames = snd_pcm_writei(handle, buffer, sizeof(buffer));
+ if (frames < 0)
+ frames = snd_pcm_recover(handle, frames, 0);
+ if (frames < 0) {
+ printf("snd_pcm_writei failed: %s\n", snd_strerror(err));
+ break;
+ }
+ if (frames > 0 && frames < (long)sizeof(buffer))
+ printf("Short write (expected %li, wrote %li)\n", (long)sizeof(buffer), frames);
+ }
+
+ snd_pcm_close(handle);
+ return 0;
+}
diff --git a/test/playmidi1.c b/test/playmidi1.c
new file mode 100644
index 0000000..a7f3a63
--- /dev/null
+++ b/test/playmidi1.c
@@ -0,0 +1,617 @@
+/*
+ * MIDI file player for ALSA sequencer
+ * (type 0 only!, the library that is used doesn't support merging of tracks)
+ *
+ * Copyright (c) 1998 by Frank van de Pol <F.K.W.van.de.Pol@inter.nl.net>
+ *
+ * Modified so that this uses alsa-lib
+ * 1999 Jan. by Isaku Yamahata <yamahata@kusm.kyoto-u.ac.jp>
+ *
+ * 19990604 Takashi Iwai <iwai@ww.uni-erlangen.de>
+ * - use blocking mode
+ * - fix tempo event bug
+ * - add command line options
+ *
+ * 19990827 Takashi Iwai <iwai@ww.uni-erlangen.de>
+ * - use snd_seq_alloc_queue()
+ *
+ * 19990916 Takashi Iwai <iwai@ww.uni-erlangen.de>
+ * - use middle-level sequencer routines and macros
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+#include "midifile.h" /* SMF library header */
+#include "midifile.c" /* SMF library code */
+
+#include "../include/asoundlib.h"
+
+/* send the real-time time stamps (instead of midi ticks) to the ALSA sequencer */
+static int use_realtime = 0;
+
+/* control the event buffering by using a blocking mode */
+static int use_blocking_mode = 1;
+
+/* default destination queue, client and port numbers */
+#define DEST_CLIENT_NUMBER 65
+#define DEST_PORT_NUMBER 0
+
+/* event pool size */
+#define WRITE_POOL_SIZE 200
+#define WRITE_POOL_SPACE 10
+#define READ_POOL_SIZE 10 /* we need to read the pool only for echoing */
+
+static FILE *F;
+static snd_seq_t *seq_handle = NULL;
+static int ppq = 96;
+static int slave_ppq = 96;
+
+static double local_secs = 0;
+static int local_ticks = 0;
+static int local_tempo = 500000;
+
+static int dest_queue = -1;
+static int shared_queue = 0;
+static int tick_offset = 0;
+static int dest_client = DEST_CLIENT_NUMBER;
+static int dest_port = DEST_PORT_NUMBER;
+static int my_port = 0;
+
+static int verbose = 0;
+static int slave = 0; /* allow external sync */
+
+#define VERB_INFO 1
+#define VERB_MUCH 2
+#define VERB_EVENT 3
+
+static void alsa_start_timer(void);
+static void alsa_stop_timer(void);
+static void wait_start(void);
+
+
+static inline double tick2time_dbl(int tick)
+{
+ return local_secs + ((double) (tick - local_ticks) * (double) local_tempo * 1.0E-6 / (double) ppq);
+}
+
+static void tick2time(snd_seq_real_time_t * tm, int tick)
+{
+ double secs = tick2time_dbl(tick);
+ tm->tv_sec = secs;
+ tm->tv_nsec = (secs - tm->tv_sec) * 1.0E9;
+}
+
+static void write_ev(snd_seq_event_t *ev)
+{
+ int rc;
+
+ if (use_blocking_mode) {
+ rc = snd_seq_event_output(seq_handle, ev);
+ if (rc < 0) {
+ printf("written = %i (%s)\n", rc, snd_strerror(rc));
+ exit(1);
+ }
+ return;
+ }
+ while ((rc = snd_seq_event_output(seq_handle, ev)) < 0) {
+ int npfds = snd_seq_poll_descriptors_count(seq_handle, POLLOUT);
+ struct pollfd *pfds = alloca(sizeof(*pfds) * npfds);
+ snd_seq_poll_descriptors(seq_handle, pfds, npfds, POLLOUT);
+ if ((rc = poll(pfds, npfds, -1)) < 0) {
+ printf("poll error = %i (%s)\n", rc, snd_strerror(errno));
+ exit(1);
+ }
+ }
+}
+
+/* read the byte */
+static int mygetc(void)
+{
+ return getc(F);
+}
+
+/* print out the text */
+static void mytext(int type ATTRIBUTE_UNUSED, int leng, char *msg)
+{
+ char *p;
+ char *ep = msg + leng;
+
+ if (verbose >= VERB_INFO) {
+ for (p = msg; p < ep; p++)
+ putchar(isprint(*p) ? *p : '?');
+ putchar('\n');
+ }
+}
+
+static void do_header(int format, int ntracks, int division)
+{
+ snd_seq_queue_tempo_t *tempo;
+
+ if (verbose >= VERB_INFO)
+ printf("smf format %d, %d tracks, %d ppq\n", format, ntracks, division);
+ ppq = division;
+
+ if (format != 0 || ntracks != 1) {
+ printf("This player does not support merging of tracks.\n");
+ if (! shared_queue)
+ alsa_stop_timer();
+ exit(1);
+ }
+ /* set the ppq */
+ snd_seq_queue_tempo_alloca(&tempo);
+ /* ppq must be set before starting the timer */
+ if (snd_seq_get_queue_tempo(seq_handle, dest_queue, tempo) < 0) {
+ perror("get_queue_tempo");
+ exit(1);
+ }
+ if ((slave_ppq = snd_seq_queue_tempo_get_ppq(tempo)) != ppq) {
+ snd_seq_queue_tempo_set_ppq(tempo, ppq);
+ if (snd_seq_set_queue_tempo(seq_handle, dest_queue, tempo) < 0) {
+ perror("set_queue_tempo");
+ if (!slave && !shared_queue)
+ exit(1);
+ else
+ printf("different PPQ %d in SMF from queue PPQ %d\n", ppq, slave_ppq);
+ } else
+ slave_ppq = ppq;
+ if (verbose >= VERB_INFO)
+ printf("ALSA Timer updated, PPQ = %d\n", snd_seq_queue_tempo_get_ppq(tempo));
+ }
+
+ /* start playing... */
+ if (slave) {
+ if (verbose >= VERB_INFO)
+ printf("Wait till timer starts...\n");
+ wait_start();
+ if (verbose >= VERB_INFO)
+ printf("Go!\n");
+ } else if (shared_queue) {
+ snd_seq_queue_status_t *stat;
+ snd_seq_queue_status_alloca(&stat);
+ snd_seq_get_queue_status(seq_handle, dest_queue, stat);
+ tick_offset = snd_seq_queue_status_get_tick_time(stat);
+ fprintf(stderr, "tick offset = %d\n", tick_offset);
+ } else {
+ alsa_start_timer();
+ tick_offset = 0;
+ }
+}
+
+/* fill the event time */
+static void set_event_time(snd_seq_event_t *ev, unsigned int currtime)
+{
+ if (use_realtime) {
+ snd_seq_real_time_t rtime;
+ if (ppq != slave_ppq)
+ currtime = (currtime * slave_ppq) / ppq;
+ tick2time(&rtime, currtime);
+ snd_seq_ev_schedule_real(ev, dest_queue, 0, &rtime);
+ } else {
+ if (ppq != slave_ppq)
+ currtime = (currtime * slave_ppq) / ppq;
+ currtime += tick_offset;
+ snd_seq_ev_schedule_tick(ev, dest_queue, 0, currtime);
+ }
+}
+
+/* fill the normal event header */
+static void set_event_header(snd_seq_event_t *ev)
+{
+ snd_seq_ev_clear(ev);
+ snd_seq_ev_set_dest(ev, dest_client, dest_port);
+ snd_seq_ev_set_source(ev, my_port);
+ set_event_time(ev, Mf_currtime);
+}
+
+/* start the timer */
+static void alsa_start_timer(void)
+{
+ snd_seq_start_queue(seq_handle, dest_queue, NULL);
+}
+
+/* stop the timer */
+static void alsa_stop_timer(void)
+{
+ snd_seq_event_t ev;
+ set_event_header(&ev);
+ snd_seq_stop_queue(seq_handle, dest_queue, &ev);
+}
+
+/* change the tempo */
+static void do_tempo(int us)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_MUCH) {
+ double bpm;
+ bpm = 60.0E6 / (double) us;
+ printf("Tempo %d us/beat, %.2f bpm\n", us, bpm);
+ }
+
+ /* store the new tempo and timestamp of the tempo change */
+ local_secs = tick2time_dbl(Mf_currtime);
+ local_ticks = Mf_currtime;
+ local_tempo = us;
+
+ set_event_header(&ev);
+ if (!slave)
+ snd_seq_change_queue_tempo(seq_handle, dest_queue, us, &ev);
+}
+
+static void do_noteon(int chan, int pitch, int vol)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_EVENT)
+ printf("%ld: NoteOn (%d) %d %d\n", Mf_currtime, chan, pitch, vol);
+ set_event_header(&ev);
+ snd_seq_ev_set_noteon(&ev, chan, pitch, vol);
+ write_ev(&ev);
+}
+
+
+static void do_noteoff(int chan, int pitch, int vol)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_EVENT)
+ printf("%ld: NoteOff (%d) %d %d\n", Mf_currtime, chan, pitch, vol);
+ set_event_header(&ev);
+ snd_seq_ev_set_noteoff(&ev, chan, pitch, vol);
+ write_ev(&ev);
+}
+
+
+static void do_program(int chan, int program)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_EVENT)
+ printf("%ld: Program (%d) %d\n", Mf_currtime, chan, program);
+ set_event_header(&ev);
+ snd_seq_ev_set_pgmchange(&ev, chan, program);
+ write_ev(&ev);
+}
+
+
+static void do_parameter(int chan, int control, int value)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_EVENT)
+ printf("%ld: Control (%d) %d %d\n", Mf_currtime, chan, control, value);
+ set_event_header(&ev);
+ snd_seq_ev_set_controller(&ev, chan, control, value);
+ write_ev(&ev);
+}
+
+
+static void do_pitchbend(int chan, int lsb, int msb)
+{ /* !@#$% lsb & msb are in the wrong order in docs */
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_EVENT)
+ printf("%ld: Pitchbend (%d) %d %d\n", Mf_currtime, chan, lsb, msb);
+ set_event_header(&ev);
+ snd_seq_ev_set_pitchbend(&ev, chan, (lsb + (msb << 7)) - 8192);
+ write_ev(&ev);
+}
+
+static void do_pressure(int chan, int pitch, int pressure)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_EVENT)
+ printf("%ld: KeyPress (%d) %d %d\n", Mf_currtime, chan, pitch, pressure);
+ set_event_header(&ev);
+ snd_seq_ev_set_keypress(&ev, chan, pitch, pressure);
+ write_ev(&ev);
+}
+
+static void do_chanpressure(int chan, int pressure)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_EVENT)
+ printf("%ld: ChanPress (%d) %d\n", Mf_currtime, chan, pressure);
+ set_event_header(&ev);
+ snd_seq_ev_set_chanpress(&ev, chan, pressure);
+ write_ev(&ev);
+}
+
+static void do_sysex(int len, char *msg)
+{
+ snd_seq_event_t ev;
+
+ if (verbose >= VERB_MUCH) {
+ int c;
+ printf("%ld: Sysex, len=%d\n", Mf_currtime, len);
+ for (c = 0; c < len; c++) {
+ printf(" %02x", (unsigned char)msg[c]);
+ if (c % 16 == 15)
+ putchar('\n');
+ }
+ if (c % 16 != 15)
+ putchar('\n');
+ }
+
+ set_event_header(&ev);
+ snd_seq_ev_set_sysex(&ev, len, msg);
+ write_ev(&ev);
+}
+
+static snd_seq_event_t *wait_for_event(void)
+{
+ int left;
+ snd_seq_event_t *input_event;
+
+ if (use_blocking_mode) {
+ /* read the event - blocked until any event is read */
+ left = snd_seq_event_input(seq_handle, &input_event);
+ } else {
+ /* read the event - using select syscall */
+ while ((left = snd_seq_event_input(seq_handle, &input_event)) >= 0 &&
+ input_event == NULL) {
+ int npfds = snd_seq_poll_descriptors_count(seq_handle, POLLIN);
+ struct pollfd *pfds = alloca(sizeof(*pfds) * npfds);
+ snd_seq_poll_descriptors(seq_handle, pfds, npfds, POLLIN);
+ if ((left = poll(pfds, npfds, -1)) < 0) {
+ printf("poll error = %i (%s)\n", errno, snd_strerror(errno));
+ exit(1);
+ }
+ }
+ }
+
+ if (left < 0) {
+ printf("alsa_sync error!:%s\n", snd_strerror(left));
+ return NULL;
+ }
+
+ return input_event;
+}
+
+/* synchronize to the end of the event */
+static void alsa_sync(void)
+{
+ /* send the echo event to the self client. */
+ if (verbose >= VERB_MUCH)
+ printf("alsa_sync syncing...\n");
+ /* dump the buffer */
+ snd_seq_drain_output(seq_handle);
+ snd_seq_sync_output_queue(seq_handle);
+ if (verbose >= VERB_MUCH)
+ printf("alsa_sync synced\n");
+ sleep(1); /* give a time for note releasing.. */
+}
+
+
+/* wait for the start of the queue */
+static void wait_start(void)
+{
+ snd_seq_event_t *input_event;
+
+ /* wait for the start event from the system timer */
+ for (;;) {
+ input_event = wait_for_event();
+ if (input_event) {
+ if (verbose >= VERB_MUCH)
+ printf("wait_start got event. type=%d, flags=%d\n",
+ input_event->type, input_event->flags);
+ if (input_event->type == SND_SEQ_EVENT_START &&
+ input_event->data.queue.queue == dest_queue) {
+ snd_seq_free_event(input_event);
+ break;
+ }
+ snd_seq_free_event(input_event);
+ }
+ }
+ if (verbose >= VERB_MUCH)
+ printf("start received\n");
+}
+
+
+/* print the usage */
+static void usage(void)
+{
+ fprintf(stderr, "usage: playmidi1 [options] [file]\n");
+ fprintf(stderr, " options:\n");
+ fprintf(stderr, " -v: verbose mode\n");
+ fprintf(stderr, " -a client:port : set destination address (default=%d:%d)\n",
+ DEST_CLIENT_NUMBER, DEST_PORT_NUMBER);
+ fprintf(stderr, " -q queue: use the specified queue\n");
+ fprintf(stderr, " -s queue: slave mode (allow external clock synchronization)\n");
+ fprintf(stderr, " -r : play on real-time mode\n");
+ fprintf(stderr, " -b : play on non-blocking mode\n");
+}
+
+int main(int argc, char *argv[])
+{
+ int tmp;
+ int c;
+ snd_seq_addr_t dest_addr;
+ const char *addr = "65:0";
+
+ while ((c = getopt(argc, argv, "s:a:p:q:vrb")) != -1) {
+ switch (c) {
+ case 'v':
+ verbose++;
+ break;
+ case 'a':
+ case 'p':
+ addr = optarg;
+ break;
+ case 'q':
+ dest_queue = atoi(optarg);
+ if (dest_queue < 0) {
+ fprintf(stderr, "invalid queue number %d\n", dest_queue);
+ exit(1);
+ }
+ break;
+ case 's':
+ slave = 1;
+ dest_queue = atoi(optarg);
+ if (dest_queue < 0) {
+ fprintf(stderr, "invalid queue number %d\n", dest_queue);
+ exit(1);
+ }
+ break;
+ case 'r':
+ use_realtime = 1;
+ break;
+ case 'b':
+ use_blocking_mode = 0;
+ break;
+ default:
+ usage();
+ exit(1);
+ }
+ }
+
+ if (verbose >= VERB_INFO) {
+ if (use_realtime)
+ printf("ALSA MIDI Player, feeding events to real-time queue\n");
+ else
+ printf("ALSA MIDI Player, feeding events to song queue\n");
+ }
+
+ /* open the sequencer device */
+ /* Here we open the device in read/write for slave mode. */
+ tmp = snd_seq_open(&seq_handle, "hw", slave ? SND_SEQ_OPEN_DUPLEX : SND_SEQ_OPEN_OUTPUT, 0);
+ if (tmp < 0) {
+ perror("open /dev/snd/seq");
+ exit(1);
+ }
+
+ tmp = snd_seq_nonblock(seq_handle, !use_blocking_mode);
+ if (tmp < 0) {
+ perror("block_mode");
+ exit(1);
+ }
+
+ /* set the name */
+ /* set the event filter to receive only the echo event */
+ /* if running in slave mode, also listen for a START event */
+ if (slave)
+ snd_seq_set_client_event_filter(seq_handle, SND_SEQ_EVENT_START);
+ snd_seq_set_client_name(seq_handle, "MIDI file player");
+
+ /* create the port */
+ my_port = snd_seq_create_simple_port(seq_handle, "Port 0",
+ SND_SEQ_PORT_CAP_WRITE |
+ SND_SEQ_PORT_CAP_READ,
+ SND_SEQ_PORT_TYPE_MIDI_GENERIC);
+ if (my_port < 0) {
+ perror("create port");
+ exit(1);
+ }
+
+ if (snd_seq_parse_address(seq_handle, &dest_addr, addr) < 0) {
+ perror("invalid destination address");
+ exit(1);
+ }
+ dest_client = dest_addr.client;
+ dest_port = dest_addr.port;
+
+ /* set the queue */
+ if (dest_queue >= 0) {
+ shared_queue = 1;
+ if (snd_seq_set_queue_usage(seq_handle, dest_queue, 1) < 0) {
+ perror("use queue");
+ exit(1);
+ }
+ } else {
+ shared_queue = 0;
+ dest_queue = snd_seq_alloc_queue(seq_handle);
+ if (dest_queue < 0) {
+ perror("alloc queue");
+ exit(1);
+ }
+ }
+
+ /* set the subscriber */
+ tmp = snd_seq_connect_to(seq_handle, my_port, dest_client, dest_port);
+ if (tmp < 0) {
+ perror("subscribe");
+ exit(1);
+ }
+
+ /* subscribe for the timer START event */
+ if (slave) {
+ tmp = snd_seq_connect_from(seq_handle, my_port,
+ SND_SEQ_CLIENT_SYSTEM,
+ dest_queue + 16 /*snd_seq_queue_sync_port(dest_queue)*/);
+ if (tmp < 0) {
+ perror("subscribe");
+ exit(1);
+ }
+ }
+
+ /* change the pool size */
+ if (snd_seq_set_client_pool_output(seq_handle, WRITE_POOL_SIZE) < 0 ||
+ snd_seq_set_client_pool_input(seq_handle, READ_POOL_SIZE) < 0 ||
+ snd_seq_set_client_pool_output_room(seq_handle, WRITE_POOL_SPACE) < 0) {
+ perror("pool");
+ exit(1);
+ }
+
+ if (optind < argc) {
+ F = fopen(argv[optind], "r");
+ if (F == NULL) {
+ fprintf(stderr, "playmidi1: can't open file %s\n", argv[optind]);
+ exit(1);
+ }
+ } else
+ F = stdin;
+
+ Mf_header = do_header;
+ Mf_tempo = do_tempo;
+ Mf_getc = mygetc;
+ Mf_text = mytext;
+
+ Mf_noteon = do_noteon;
+ Mf_noteoff = do_noteoff;
+ Mf_program = do_program;
+ Mf_parameter = do_parameter;
+ Mf_pitchbend = do_pitchbend;
+ Mf_pressure = do_pressure;
+ Mf_chanpressure = do_chanpressure;
+ Mf_sysex = do_sysex;
+
+ /* go.. go.. go.. */
+ mfread();
+
+ alsa_sync();
+ if (! shared_queue)
+ alsa_stop_timer();
+
+ snd_seq_close(seq_handle);
+
+ if (verbose >= VERB_INFO) {
+ printf("Stopping at %f s, tick %f\n",
+ tick2time_dbl(Mf_currtime + 1), (double) (Mf_currtime + 1));
+ }
+
+ exit(0);
+}
diff --git a/test/queue_timer.c b/test/queue_timer.c
new file mode 100644
index 0000000..c4ffb19
--- /dev/null
+++ b/test/queue_timer.c
@@ -0,0 +1,128 @@
+#include <unistd.h>
+#include <sys/time.h>
+#include <alsa/asoundlib.h>
+#include <alsa/seq.h>
+
+void normalize(struct timeval *tv)
+{
+ if (tv->tv_sec == 0) {
+ while (tv->tv_usec <= -1000000) { tv->tv_usec += 1000000; --tv->tv_sec; }
+ while (tv->tv_usec >= 1000000) { tv->tv_usec -= 1000000; ++tv->tv_sec; }
+ } else if (tv->tv_sec < 0) {
+ while (tv->tv_usec <= -1000000) { tv->tv_usec += 1000000; --tv->tv_sec; }
+ while (tv->tv_usec > 0) { tv->tv_usec -= 1000000; ++tv->tv_sec; }
+ } else {
+ while (tv->tv_usec >= 1000000) { tv->tv_usec -= 1000000; ++tv->tv_sec; }
+ while (tv->tv_usec < 0) { tv->tv_usec += 1000000; --tv->tv_sec; }
+ }
+}
+
+int
+main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
+{
+ snd_seq_t *handle;
+ int portid;
+ /* int npfd;
+ struct pollfd *pfd;
+ */
+ int queue;
+ /* int i;
+ int rval;'
+ */
+ struct timeval starttv, prevdiff;
+ int countdown = -1;
+ /* snd_seq_queue_timer_t *timer;
+ snd_timer_id_t *timerid;
+ */
+
+ if (snd_seq_open(&handle, "hw", SND_SEQ_OPEN_DUPLEX, 0) < 0) {
+ fprintf(stderr, "failed to open ALSA sequencer interface\n");
+ return 1;
+ }
+
+ snd_seq_set_client_name(handle, "generator");
+
+ if ((portid = snd_seq_create_simple_port
+ (handle, "generator",
+ SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ, 0)) < 0) {
+ fprintf(stderr, "failed to create ALSA sequencer port\n");
+ return 1;
+ }
+
+ if ((queue = snd_seq_alloc_queue(handle)) < 0) {
+ fprintf(stderr, "failed to create ALSA sequencer queue\n");
+ return 1;
+ }
+/*
+ snd_seq_queue_timer_alloca(&timer);
+ snd_seq_get_queue_timer(handle, queue, timer);
+ snd_timer_id_alloca(&timerid);
+ snd_timer_id_set_class(timerid, SND_TIMER_CLASS_PCM);
+ snd_timer_id_set_sclass(timerid, SND_TIMER_SCLASS_NONE);
+ snd_timer_id_set_card(timerid, 0);
+ snd_timer_id_set_device(timerid, 0);
+ snd_timer_id_set_subdevice(timerid, 0);
+ snd_seq_queue_timer_set_id(timer, timerid);
+ snd_seq_set_queue_timer(handle, queue, timer);
+*/
+ snd_seq_start_queue(handle, queue, 0);
+ snd_seq_drain_output(handle);
+
+ gettimeofday(&starttv, 0);
+ prevdiff.tv_sec = 0;
+ prevdiff.tv_usec = 0;
+
+ while (countdown != 0) {
+
+ snd_seq_queue_status_t *status;
+ const snd_seq_real_time_t *rtime;
+ struct timeval tv, diff, diffdiff;
+ struct timespec ts;
+
+ snd_seq_queue_status_alloca(&status);
+
+ snd_seq_get_queue_status(handle, queue, status);
+ rtime = snd_seq_queue_status_get_real_time(status);
+
+ gettimeofday(&tv, 0);
+
+ tv.tv_sec -= starttv.tv_sec;
+ tv.tv_usec -= starttv.tv_usec;
+ normalize(&tv);
+
+ diff.tv_sec = tv.tv_sec - rtime->tv_sec;
+ diff.tv_usec = tv.tv_usec - rtime->tv_nsec / 1000;
+ normalize(&diff);
+
+ diffdiff.tv_sec = diff.tv_sec - prevdiff.tv_sec;
+ diffdiff.tv_usec = diff.tv_usec - prevdiff.tv_usec;
+ normalize(&diffdiff);
+ prevdiff = diff;
+
+ fprintf(stderr, " real time: %12ld sec %8ld usec\nqueue time: %12ld sec %8ld usec\n diff: %12ld sec %8ld usec\n diffdiff: %12ld sec %8ld usec\n",
+ tv.tv_sec, tv.tv_usec,
+ (long)rtime->tv_sec, (long)rtime->tv_nsec / 1000,
+ diff.tv_sec, diff.tv_usec,
+ (long)diffdiff.tv_sec, (long)diffdiff.tv_usec);
+
+ if (diffdiff.tv_usec > 5000 ||
+ diffdiff.tv_usec < -5000) {
+ fprintf(stderr, "oops! queue slipped\n");
+ if (tv.tv_sec < 5) {
+ fprintf(stderr, "(ignoring in first few seconds)\n");
+ } else {
+ countdown = 2;
+ }
+ } else {
+ if (countdown > 0) --countdown;
+ }
+
+ fprintf(stderr, "\n");
+// sleep(1);
+ ts.tv_sec = 0;
+ ts.tv_nsec = 500000000;
+ nanosleep(&ts, 0);
+ }
+ return EXIT_SUCCESS;
+}
+
diff --git a/test/rawmidi.c b/test/rawmidi.c
new file mode 100644
index 0000000..67f585b
--- /dev/null
+++ b/test/rawmidi.c
@@ -0,0 +1,241 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "../include/asoundlib.h"
+#include <signal.h>
+
+static void usage(void)
+{
+ fprintf(stderr, "usage: rawmidi [options]\n");
+ fprintf(stderr, " options:\n");
+ fprintf(stderr, " -v: verbose mode\n");
+ fprintf(stderr, " -i device-id : test ALSA input device\n");
+ fprintf(stderr, " -o device-id : test ALSA output device\n");
+ fprintf(stderr, " -I node : test input node\n");
+ fprintf(stderr, " -O node : test output node\n");
+ fprintf(stderr, " -t: test midi thru\n");
+ fprintf(stderr, " example:\n");
+ fprintf(stderr, " rawmidi -i hw:0,0 -O /dev/midi1\n");
+ fprintf(stderr, " tests input for card 0, device 0, using snd_rawmidi API\n");
+ fprintf(stderr, " and /dev/midi1 using file descriptors\n");
+}
+
+int stop=0;
+
+void sighandler(int dum)
+{
+ stop=1;
+}
+
+int main(int argc,char** argv)
+{
+ int i;
+ int err;
+ int thru=0;
+ int verbose = 0;
+ char *device_in = NULL;
+ char *device_out = NULL;
+ char *node_in = NULL;
+ char *node_out = NULL;
+
+ int fd_in = -1,fd_out = -1;
+ snd_rawmidi_t *handle_in = 0,*handle_out = 0;
+
+ if (argc==1) {
+ usage();
+ exit(0);
+ }
+
+ for (i = 1 ; i<argc ; i++) {
+ if (argv[i][0]=='-') {
+ switch (argv[i][1]) {
+ case 'h':
+ usage();
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ case 't':
+ thru = 1;
+ break;
+ case 'i':
+ if (i + 1 < argc)
+ device_in = argv[++i];
+ break;
+ case 'I':
+ if (i + 1 < argc)
+ node_in = argv[++i];
+ break;
+ case 'o':
+ if (i + 1 < argc)
+ device_out = argv[++i];
+ break;
+ case 'O':
+ if (i + 1 < argc)
+ node_out = argv[++i];
+ break;
+ }
+ }
+ }
+
+ if (verbose) {
+ fprintf(stderr,"Using: \n");
+ fprintf(stderr,"Input: ");
+ if (device_in) {
+ fprintf(stderr,"device %s\n",device_in);
+ }else if (node_in){
+ fprintf(stderr,"%s\n",node_in);
+ }else{
+ fprintf(stderr,"NONE\n");
+ }
+ fprintf(stderr,"Output: ");
+ if (device_out) {
+ fprintf(stderr,"device %s\n",device_out);
+ }else if (node_out){
+ fprintf(stderr,"%s\n",node_out);
+ }else{
+ fprintf(stderr,"NONE\n");
+ }
+ }
+
+ if (device_in) {
+ err = snd_rawmidi_open(&handle_in,NULL,device_in,0);
+ if (err) {
+ fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",device_in,err);
+ }
+ }
+ if (node_in && (!node_out || strcmp(node_out,node_in))) {
+ fd_in = open(node_in,O_RDONLY);
+ if (fd_in<0) {
+ fprintf(stderr,"open %s for input failed\n",node_in);
+ }
+ }
+
+ signal(SIGINT,sighandler);
+
+ if (device_out) {
+ err = snd_rawmidi_open(NULL,&handle_out,device_out,0);
+ if (err) {
+ fprintf(stderr,"snd_rawmidi_open %s failed: %d\n",device_out,err);
+ }
+ }
+ if (node_out && (!node_in || strcmp(node_out,node_in))) {
+ fd_out = open(node_out,O_WRONLY);
+ if (fd_out<0) {
+ fprintf(stderr,"open %s for output failed\n",node_out);
+ }
+ }
+
+ if (node_in && node_out && strcmp(node_out,node_in)==0) {
+ fd_in = fd_out = open(node_out,O_RDWR);
+ if (fd_out<0) {
+ fprintf(stderr,"open %s for input and output failed\n",node_out);
+ }
+ }
+
+
+
+ if (!thru) {
+ if (handle_in || fd_in!=-1) {
+ fprintf(stderr,"Read midi in\n");
+ fprintf(stderr,"Press ctrl-c to stop\n");
+ }
+
+ if (handle_in) {
+ unsigned char ch;
+ while (!stop) {
+ snd_rawmidi_read(handle_in,&ch,1);
+ if (verbose) {
+ fprintf(stderr,"read %02x\n",ch);
+ }
+ }
+ }
+ if (fd_in!=-1) {
+ unsigned char ch;
+ while (!stop) {
+ read(fd_in,&ch,1);
+ if (verbose) {
+ fprintf(stderr,"read %02x\n",ch);
+ }
+ }
+ }
+
+ if (handle_out || fd_out!=-1) {
+ fprintf(stderr,"Writing note on / note off\n");
+ }
+
+ if (handle_out) {
+ unsigned char ch;
+ ch=0x90; snd_rawmidi_write(handle_out,&ch,1);
+ ch=60; snd_rawmidi_write(handle_out,&ch,1);
+ ch=100; snd_rawmidi_write(handle_out,&ch,1);
+ snd_rawmidi_drain(handle_out);
+ sleep(1);
+ ch=0x90; snd_rawmidi_write(handle_out,&ch,1);
+ ch=60; snd_rawmidi_write(handle_out,&ch,1);
+ ch=0; snd_rawmidi_write(handle_out,&ch,1);
+ snd_rawmidi_drain(handle_out);
+ }
+ if (fd_out!=-1) {
+ unsigned char ch;
+ ch=0x90; write(fd_out,&ch,1);
+ ch=60; write(fd_out,&ch,1);
+ ch=100; write(fd_out,&ch,1);
+ sleep(1);
+ ch=0x90; write(fd_out,&ch,1);
+ ch=60; write(fd_out,&ch,1);
+ ch=0; write(fd_out,&ch,1);
+ }
+ } else {
+ if ((handle_in || fd_in!=-1) && (handle_out || fd_out!=-1)) {
+ if (verbose) {
+ fprintf(stderr,"Testing midi thru in\n");
+ }
+ while (!stop) {
+ unsigned char ch;
+
+ if (handle_in) {
+ snd_rawmidi_read(handle_in,&ch,1);
+ }
+ if (fd_in!=-1) {
+ read(fd_in,&ch,1);
+ }
+ if (verbose) {
+ fprintf(stderr,"thru: %02x\n",ch);
+ }
+
+ if (handle_out) {
+ snd_rawmidi_write(handle_out,&ch,1);
+ snd_rawmidi_drain(handle_out);
+ }
+ if (fd_out!=-1) {
+ write(fd_out,&ch,1);
+ }
+ }
+ }else{
+ fprintf(stderr,"Testing midi thru needs both input and output\n");
+ exit(-1);
+ }
+ }
+
+ if (verbose) {
+ fprintf(stderr,"Closing\n");
+ }
+
+ if (handle_in) {
+ snd_rawmidi_drain(handle_in);
+ snd_rawmidi_close(handle_in);
+ }
+ if (handle_out) {
+ snd_rawmidi_drain(handle_out);
+ snd_rawmidi_close(handle_out);
+ }
+ if (fd_in!=-1) {
+ close(fd_in);
+ }
+ if (fd_out!=-1) {
+ close(fd_out);
+ }
+
+ return 0;
+}
diff --git a/test/seq-decoder.c b/test/seq-decoder.c
new file mode 100644
index 0000000..b110e98
--- /dev/null
+++ b/test/seq-decoder.c
@@ -0,0 +1,353 @@
+/*
+ * Simple event decoder
+ */
+
+static char *event_names[256] = {
+ [SND_SEQ_EVENT_SYSTEM]= "System",
+ [SND_SEQ_EVENT_RESULT]= "Result",
+ [SND_SEQ_EVENT_NOTE]= "Note",
+ [SND_SEQ_EVENT_NOTEON]= "Note On",
+ [SND_SEQ_EVENT_NOTEOFF]= "Note Off",
+ [SND_SEQ_EVENT_KEYPRESS]= "Key Pressure",
+ [SND_SEQ_EVENT_CONTROLLER]= "Controller",
+ [SND_SEQ_EVENT_PGMCHANGE]= "Program Change",
+ [SND_SEQ_EVENT_CHANPRESS]= "Channel Pressure",
+ [SND_SEQ_EVENT_PITCHBEND]= "Pitchbend",
+ [SND_SEQ_EVENT_CONTROL14]= "Control14",
+ [SND_SEQ_EVENT_NONREGPARAM]= "Nonregparam",
+ [SND_SEQ_EVENT_REGPARAM]= "Regparam",
+ [SND_SEQ_EVENT_SONGPOS]= "Song Position",
+ [SND_SEQ_EVENT_SONGSEL]= "Song Select",
+ [SND_SEQ_EVENT_QFRAME]= "Qframe",
+ [SND_SEQ_EVENT_TIMESIGN]= "SMF Time Signature",
+ [SND_SEQ_EVENT_KEYSIGN]= "SMF Key Signature",
+ [SND_SEQ_EVENT_START]= "Start",
+ [SND_SEQ_EVENT_CONTINUE]= "Continue",
+ [SND_SEQ_EVENT_STOP]= "Stop",
+ [SND_SEQ_EVENT_SETPOS_TICK]= "Set Position Tick",
+ [SND_SEQ_EVENT_SETPOS_TIME]= "Set Position Time",
+ [SND_SEQ_EVENT_TEMPO]= "Tempo",
+ [SND_SEQ_EVENT_CLOCK]= "Clock",
+ [SND_SEQ_EVENT_TICK]= "Tick",
+ [SND_SEQ_EVENT_TUNE_REQUEST]= "Tune Request",
+ [SND_SEQ_EVENT_RESET]= "Reset",
+ [SND_SEQ_EVENT_SENSING]= "Active Sensing",
+ [SND_SEQ_EVENT_ECHO]= "Echo",
+ [SND_SEQ_EVENT_OSS]= "OSS",
+ [SND_SEQ_EVENT_CLIENT_START]= "Client Start",
+ [SND_SEQ_EVENT_CLIENT_EXIT]= "Client Exit",
+ [SND_SEQ_EVENT_CLIENT_CHANGE]= "Client Change",
+ [SND_SEQ_EVENT_PORT_START]= "Port Start",
+ [SND_SEQ_EVENT_PORT_EXIT]= "Port Exit",
+ [SND_SEQ_EVENT_PORT_CHANGE]= "Port Change",
+ [SND_SEQ_EVENT_PORT_SUBSCRIBED]= "Port Subscribed",
+ [SND_SEQ_EVENT_PORT_UNSUBSCRIBED]= "Port Unsubscribed",
+#if 0
+ [SND_SEQ_EVENT_SAMPLE]= "Sample",
+ [SND_SEQ_EVENT_SAMPLE_CLUSTER]= "Sample Cluster",
+ [SND_SEQ_EVENT_SAMPLE_START]= "Sample Start",
+ [SND_SEQ_EVENT_SAMPLE_STOP]= "Sample Stop",
+ [SND_SEQ_EVENT_SAMPLE_FREQ]= "Sample Freq",
+ [SND_SEQ_EVENT_SAMPLE_VOLUME]= "Sample Volume",
+ [SND_SEQ_EVENT_SAMPLE_LOOP]= "Sample Loop",
+ [SND_SEQ_EVENT_SAMPLE_POSITION]= "Sample Position",
+ [SND_SEQ_EVENT_SAMPLE_PRIVATE1]= "Sample Private1",
+#endif
+ [SND_SEQ_EVENT_USR0]= "User 0",
+ [SND_SEQ_EVENT_USR1]= "User 1",
+ [SND_SEQ_EVENT_USR2]= "User 2",
+ [SND_SEQ_EVENT_USR3]= "User 3",
+ [SND_SEQ_EVENT_USR4]= "User 4",
+ [SND_SEQ_EVENT_USR5]= "User 5",
+ [SND_SEQ_EVENT_USR6]= "User 6",
+ [SND_SEQ_EVENT_USR7]= "User 7",
+ [SND_SEQ_EVENT_USR8]= "User 8",
+ [SND_SEQ_EVENT_USR9]= "User 9",
+#if 0
+ [SND_SEQ_EVENT_INSTR_BEGIN]= "Instr Begin",
+ [SND_SEQ_EVENT_INSTR_END]= "Instr End",
+ [SND_SEQ_EVENT_INSTR_INFO]= "Instr Info",
+ [SND_SEQ_EVENT_INSTR_INFO_RESULT]= "Instr Info Result",
+ [SND_SEQ_EVENT_INSTR_FINFO]= "Instr Font Info",
+ [SND_SEQ_EVENT_INSTR_FINFO_RESULT]= "Instr Font Info Result",
+ [SND_SEQ_EVENT_INSTR_RESET]= "Instr Reset",
+ [SND_SEQ_EVENT_INSTR_STATUS]= "Instr Status",
+ [SND_SEQ_EVENT_INSTR_STATUS_RESULT]= "Instr Status Result",
+ [SND_SEQ_EVENT_INSTR_PUT]= "Instr Put",
+ [SND_SEQ_EVENT_INSTR_GET]= "Instr Get",
+ [SND_SEQ_EVENT_INSTR_GET_RESULT]= "Instr Get Result",
+ [SND_SEQ_EVENT_INSTR_FREE]= "Instr Free",
+ [SND_SEQ_EVENT_INSTR_LIST]= "Instr List",
+ [SND_SEQ_EVENT_INSTR_LIST_RESULT]= "Instr List Result",
+ [SND_SEQ_EVENT_INSTR_CLUSTER]= "Instr Cluster",
+ [SND_SEQ_EVENT_INSTR_CLUSTER_GET]= "Instr Cluster Get",
+ [SND_SEQ_EVENT_INSTR_CLUSTER_RESULT]= "Instr Cluster Result",
+ [SND_SEQ_EVENT_INSTR_CHANGE]= "Instr Change",
+#endif
+ [SND_SEQ_EVENT_SYSEX]= "Sysex",
+ [SND_SEQ_EVENT_BOUNCE]= "Bounce",
+ [SND_SEQ_EVENT_USR_VAR0]= "User Var0",
+ [SND_SEQ_EVENT_USR_VAR1]= "User Var1",
+ [SND_SEQ_EVENT_USR_VAR2]= "User Var2",
+ [SND_SEQ_EVENT_USR_VAR3]= "User Var3",
+ [SND_SEQ_EVENT_USR_VAR4]= "User Var4",
+#if 0
+ [SND_SEQ_EVENT_IPCSHM]= "IPC Shm",
+ [SND_SEQ_EVENT_USR_VARIPC0]= "User IPC0",
+ [SND_SEQ_EVENT_USR_VARIPC1]= "User IPC1",
+ [SND_SEQ_EVENT_USR_VARIPC2]= "User IPC2",
+ [SND_SEQ_EVENT_USR_VARIPC3]= "User IPC3",
+ [SND_SEQ_EVENT_USR_VARIPC4]= "User IPC4",
+#endif
+ [SND_SEQ_EVENT_NONE]= "None",
+};
+
+int decode_event(snd_seq_event_t * ev)
+{
+ char *space = " ";
+
+ printf("EVENT>>> Type = %d, flags = 0x%x", ev->type, ev->flags);
+ switch (ev->flags & SND_SEQ_TIME_STAMP_MASK) {
+ case SND_SEQ_TIME_STAMP_TICK:
+ printf(", time = %d ticks",
+ ev->time.tick);
+ break;
+ case SND_SEQ_TIME_STAMP_REAL:
+ printf(", time = %d.%09d",
+ (int)ev->time.time.tv_sec,
+ (int)ev->time.time.tv_nsec);
+ break;
+ }
+ printf("\n%sSource = %d.%d, dest = %d.%d, queue = %d\n",
+ space,
+ ev->source.client,
+ ev->source.port,
+ ev->dest.client,
+ ev->dest.port,
+ ev->queue);
+
+ if (event_names[ev->type])
+ printf("%sEvent = %s", space, event_names[ev->type]);
+ else
+ printf("%sEvent = Reserved %d\n", space, ev->type);
+ /* decode the actual event data... */
+ switch (ev->type) {
+ case SND_SEQ_EVENT_NOTE:
+ printf("; ch=%d, note=%d, velocity=%d, off_velocity=%d, duration=%d\n",
+ ev->data.note.channel,
+ ev->data.note.note,
+ ev->data.note.velocity,
+ ev->data.note.off_velocity,
+ ev->data.note.duration);
+ break;
+
+ case SND_SEQ_EVENT_NOTEON:
+ case SND_SEQ_EVENT_NOTEOFF:
+ case SND_SEQ_EVENT_KEYPRESS:
+ printf("; ch=%d, note=%d, velocity=%d\n",
+ ev->data.note.channel,
+ ev->data.note.note,
+ ev->data.note.velocity);
+ break;
+
+ case SND_SEQ_EVENT_CONTROLLER:
+ printf("; ch=%d, param=%i, value=%i\n",
+ ev->data.control.channel,
+ ev->data.control.param,
+ ev->data.control.value);
+ break;
+
+ case SND_SEQ_EVENT_PGMCHANGE:
+ printf("; ch=%d, program=%i\n",
+ ev->data.control.channel,
+ ev->data.control.value);
+ break;
+
+ case SND_SEQ_EVENT_CHANPRESS:
+ case SND_SEQ_EVENT_PITCHBEND:
+ printf("; ch=%d, value=%i\n",
+ ev->data.control.channel,
+ ev->data.control.value);
+ break;
+
+ case SND_SEQ_EVENT_SYSEX:
+ {
+ unsigned char *sysex = (unsigned char *) ev + sizeof(snd_seq_event_t);
+ unsigned int c;
+
+ printf("; len=%d [", ev->data.ext.len);
+
+ for (c = 0; c < ev->data.ext.len; c++) {
+ printf("%02x%s", sysex[c], c < ev->data.ext.len - 1 ? ":" : "");
+ }
+ printf("]\n");
+ }
+ break;
+
+ case SND_SEQ_EVENT_QFRAME:
+ printf("; frame=0x%02x\n", ev->data.control.value);
+ break;
+
+ case SND_SEQ_EVENT_CLOCK:
+ case SND_SEQ_EVENT_START:
+ case SND_SEQ_EVENT_CONTINUE:
+ case SND_SEQ_EVENT_STOP:
+ printf("; queue = %i\n", ev->data.queue.queue);
+ break;
+
+ case SND_SEQ_EVENT_SENSING:
+ printf("\n");
+ break;
+
+ case SND_SEQ_EVENT_ECHO:
+ {
+ int i;
+
+ printf("; ");
+ for (i = 0; i < 8; i++) {
+ printf("%02i%s", ev->data.raw8.d[i], i < 7 ? ":" : "\n");
+ }
+ }
+ break;
+
+ case SND_SEQ_EVENT_CLIENT_START:
+ case SND_SEQ_EVENT_CLIENT_EXIT:
+ case SND_SEQ_EVENT_CLIENT_CHANGE:
+ printf("; client=%i\n", ev->data.addr.client);
+ break;
+
+ case SND_SEQ_EVENT_PORT_START:
+ case SND_SEQ_EVENT_PORT_EXIT:
+ case SND_SEQ_EVENT_PORT_CHANGE:
+ printf("; client=%i, port = %i\n", ev->data.addr.client, ev->data.addr.port);
+ break;
+
+ case SND_SEQ_EVENT_PORT_SUBSCRIBED:
+ case SND_SEQ_EVENT_PORT_UNSUBSCRIBED:
+ printf("; %i:%i -> %i:%i\n",
+ ev->data.connect.sender.client, ev->data.connect.sender.port,
+ ev->data.connect.dest.client, ev->data.connect.dest.port);
+ break;
+
+ default:
+ printf("; not implemented\n");
+ }
+
+
+ switch (ev->flags & SND_SEQ_EVENT_LENGTH_MASK) {
+ case SND_SEQ_EVENT_LENGTH_FIXED:
+ return sizeof(snd_seq_event_t);
+
+ case SND_SEQ_EVENT_LENGTH_VARIABLE:
+ return sizeof(snd_seq_event_t) + ev->data.ext.len;
+ }
+
+ return 0;
+}
+
+void event_decoder_start_timer(snd_seq_t *handle, int queue,
+ int client ATTRIBUTE_UNUSED,
+ int port ATTRIBUTE_UNUSED)
+{
+ int err;
+
+ if ((err = snd_seq_start_queue(handle, queue, NULL))<0)
+ fprintf(stderr, "Timer event output error: %s\n", snd_strerror(err));
+ while (snd_seq_drain_output(handle)>0)
+ sleep(1);
+}
+
+void event_decoder(snd_seq_t *handle, int argc, char *argv[])
+{
+ snd_seq_event_t *ev;
+ snd_seq_port_info_t *pinfo;
+ snd_seq_port_subscribe_t *sub;
+ snd_seq_addr_t addr;
+ int client, port, queue, max, err, v1, v2;
+ char *ptr;
+ struct pollfd *pfds;
+
+ if ((client = snd_seq_client_id(handle))<0) {
+ fprintf(stderr, "Cannot determine client number: %s\n", snd_strerror(client));
+ return;
+ }
+ printf("Client ID = %i\n", client);
+ if ((queue = snd_seq_alloc_queue(handle))<0) {
+ fprintf(stderr, "Cannot allocate queue: %s\n", snd_strerror(queue));
+ return;
+ }
+ printf("Queue ID = %i\n", queue);
+ if ((err = snd_seq_nonblock(handle, 1))<0)
+ fprintf(stderr, "Cannot set nonblock mode: %s\n", snd_strerror(err));
+ snd_seq_port_info_alloca(&pinfo);
+ snd_seq_port_info_set_name(pinfo, "Input");
+ snd_seq_port_info_set_type(pinfo, SND_SEQ_PORT_TYPE_MIDI_GENERIC);
+ snd_seq_port_info_set_capability(pinfo, SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_WRITE);
+ if ((err = snd_seq_create_port(handle, pinfo)) < 0) {
+ fprintf(stderr, "Cannot create input port: %s\n", snd_strerror(err));
+ return;
+ }
+ port = snd_seq_port_info_get_port(pinfo);
+ event_decoder_start_timer(handle, queue, client, port);
+
+ snd_seq_port_subscribe_alloca(&sub);
+ addr.client = SND_SEQ_CLIENT_SYSTEM;
+ addr.port = SND_SEQ_PORT_SYSTEM_ANNOUNCE;
+ snd_seq_port_subscribe_set_sender(sub, &addr);
+ addr.client = client;
+ addr.port = port;
+ snd_seq_port_subscribe_set_dest(sub, &addr);
+ snd_seq_port_subscribe_set_queue(sub, queue);
+ snd_seq_port_subscribe_set_time_update(sub, 1);
+ snd_seq_port_subscribe_set_time_real(sub, 1);
+ if ((err = snd_seq_subscribe_port(handle, sub))<0) {
+ fprintf(stderr, "Cannot subscribe announce port: %s\n", snd_strerror(err));
+ return;
+ }
+
+ addr.client = SND_SEQ_CLIENT_SYSTEM;
+ addr.port = SND_SEQ_PORT_SYSTEM_TIMER;
+ snd_seq_port_subscribe_set_sender(sub, &addr);
+ if ((err = snd_seq_subscribe_port(handle, sub))<0) {
+ fprintf(stderr, "Cannot subscribe timer port: %s\n", snd_strerror(err));
+ return;
+ }
+
+ for (max = 0; max < argc; max++) {
+ ptr = argv[max];
+ if (!ptr)
+ continue;
+ snd_seq_port_subscribe_set_time_real(sub, 0);
+ if (tolower(*ptr) == 'r') {
+ snd_seq_port_subscribe_set_time_real(sub, 1);
+ ptr++;
+ }
+ if (sscanf(ptr, "%i.%i", &v1, &v2) != 2) {
+ fprintf(stderr, "Wrong argument '%s'...\n", argv[max]);
+ return;
+ }
+ addr.client = v1;
+ addr.port = v2;
+ snd_seq_port_subscribe_set_sender(sub, &addr);
+ if ((err = snd_seq_subscribe_port(handle, sub))<0) {
+ fprintf(stderr, "Cannot subscribe port %i from client %i: %s\n", v2, v1, snd_strerror(err));
+ return;
+ }
+ }
+
+ max = snd_seq_poll_descriptors_count(handle, POLLIN);
+ pfds = alloca(sizeof(*pfds) * max);
+ while (1) {
+ snd_seq_poll_descriptors(handle, pfds, max, POLLIN);
+ if (poll(pfds, max, -1) < 0)
+ break;
+ do {
+ if ((err = snd_seq_event_input(handle, &ev))<0)
+ break;
+ if (!ev)
+ continue;
+ decode_event(ev);
+ snd_seq_free_event(ev);
+ } while (err > 0);
+ }
+}
diff --git a/test/seq-sender.c b/test/seq-sender.c
new file mode 100644
index 0000000..5d8ac92
--- /dev/null
+++ b/test/seq-sender.c
@@ -0,0 +1,272 @@
+
+#ifdef USE_PCM // XXX not yet
+/*
+ * PCM timer layer
+ */
+
+int pcard = 0;
+int pdevice = 0;
+int period_size = 1024;
+
+void set_hwparams(snd_pcm_t *phandle)
+{
+ int err;
+ snd_pcm_hw_params_t *params;
+
+ err = snd_output_stdio_attach(&log, stderr, 0);
+ if (err < 0) {
+ fprintf(stderr, "cannot attach output stdio\n");
+ exit(0);
+ }
+
+ snd_pcm_hw_params_alloca(¶ms);
+ err = snd_pcm_hw_params_any(phandle, params);
+ if (err < 0) {
+ fprintf(stderr, "Broken configuration for this PCM: no configurations available\n");
+ exit(0);
+ }
+
+ err = snd_pcm_hw_params_set_access(phandle, params,
+ SND_PCM_ACCESS_RW_INTERLEAVED);
+ if (err < 0) {
+ fprintf(stderr, "Access type not available\n");
+ exit(0);
+ }
+ err = snd_pcm_hw_params_set_format(phandle, params, SND_PCM_FORMAT_S16_LE);
+ if (err < 0) {
+ fprintf(stderr, "cannot set format\n");
+ exit(0);
+ }
+ err = snd_pcm_hw_params_set_channels(phandle, params, 2);
+ if (err < 0) {
+ fprintf(stderr, "cannot set channels 2\n");
+ exit(0);
+ }
+ err = snd_pcm_hw_params_set_rate_near(phandle, params, 44100, 0);
+ if (err < 0) {
+ fprintf(stderr, "cannot set rate\n");
+ exit(0);
+ }
+ err = snd_pcm_hw_params_set_period_size_near(phandle, params, period_size);
+ if (err < 0) {
+ fprintf(stderr, "cannot set period size\n");
+ exit(0);
+ }
+ err = snd_pcm_hw_params(phandle, params);
+ if (err < 0) {
+ fprintf(stderr, "Unable to install hw params:\n");
+ exit(0);
+ }
+ snd_pcm_hw_params_dump(params, log);
+}
+
+#endif
+/*
+ * Simple event sender
+ */
+
+void event_sender_start_timer(snd_seq_t *handle,
+ int client ATTRIBUTE_UNUSED,
+ int queue,
+ snd_pcm_t *phandle ATTRIBUTE_UNUSED)
+{
+ int err;
+
+#ifdef USE_PCM
+ if (phandle) {
+ snd_pcm_playback_info_t pinfo;
+ snd_seq_queue_timer_t qtimer;
+
+ if ((err = snd_pcm_playback_info(phandle, &pinfo)) < 0) {
+ fprintf(stderr, "Playback info error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ bzero(&qtimer, sizeof(qtimer));
+ qtimer.type = SND_SEQ_TIMER_MASTER;
+ /* note: last bit from the subdevices specifies playback */
+ /* or capture direction for the timer specification */
+ qtimer.number = SND_TIMER_PCM(pcard, pdevice, pinfo.subdevice << 1);
+ if ((err = snd_seq_set_queue_timer(handle, queue, &qtimer)) < 0) {
+ fprintf(stderr, "Sequencer PCM timer setup failed: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ }
+#endif
+ if ((err = snd_seq_start_queue(handle, queue, NULL))<0)
+ fprintf(stderr, "Timer event output error: %s\n", snd_strerror(err));
+ snd_seq_drain_output(handle);
+}
+
+void event_sender_filter(snd_seq_t *handle)
+{
+ int err;
+
+ if ((err = snd_seq_set_client_event_filter(handle, SND_SEQ_EVENT_ECHO)) < 0) {
+ fprintf(stderr, "Unable to set client info: %s\n", snd_strerror(err));
+ return;
+ }
+}
+
+void send_event(snd_seq_t *handle, int queue, int client, int port,
+ snd_seq_addr_t *dest, int *time)
+{
+ int err;
+ snd_seq_event_t ev;
+
+ bzero(&ev, sizeof(ev));
+ ev.queue = queue;
+ ev.source.client = ev.dest.client = client;
+ ev.source.port = ev.dest.port = port;
+ ev.flags = SND_SEQ_TIME_STAMP_REAL | SND_SEQ_TIME_MODE_ABS;
+ ev.time.time.tv_sec = *time; (*time)++;
+ ev.type = SND_SEQ_EVENT_ECHO;
+ if ((err = snd_seq_event_output(handle, &ev))<0)
+ fprintf(stderr, "Event output error: %s\n", snd_strerror(err));
+ ev.dest = *dest;
+ ev.type = SND_SEQ_EVENT_PGMCHANGE;
+ ev.data.control.channel = 0;
+ ev.data.control.value = 16;
+ if ((err = snd_seq_event_output(handle, &ev))<0)
+ fprintf(stderr, "Event output error: %s\n", snd_strerror(err));
+ ev.type = SND_SEQ_EVENT_NOTE;
+ ev.data.note.channel = 0;
+ ev.data.note.note = 64 + (queue*2);
+ ev.data.note.velocity = 127;
+ ev.data.note.off_velocity = 127;
+ ev.data.note.duration = 500; /* 0.5sec */
+ if ((err = snd_seq_event_output(handle, &ev))<0)
+ fprintf(stderr, "Event output error: %s\n", snd_strerror(err));
+ if ((err = snd_seq_drain_output(handle))<0)
+ fprintf(stderr, "Event drain error: %s\n", snd_strerror(err));
+}
+
+void event_sender(snd_seq_t *handle, int argc, char *argv[])
+{
+ snd_seq_event_t *ev;
+ snd_seq_port_info_t *pinfo;
+ snd_seq_port_subscribe_t *sub;
+ snd_seq_addr_t addr;
+ struct pollfd *pfds;
+ int client, port, queue, max, err, v1, v2, time = 0, pcm_flag = 0;
+ char *ptr;
+ snd_pcm_t *phandle = NULL;
+
+ if (argc < 1) {
+ fprintf(stderr, "Invalid destination...\n");
+ return;
+ }
+
+ if ((client = snd_seq_client_id(handle))<0) {
+ fprintf(stderr, "Cannot determine client number: %s\n", snd_strerror(client));
+ return;
+ }
+ printf("Client ID = %i\n", client);
+ if ((queue = snd_seq_alloc_queue(handle))<0) {
+ fprintf(stderr, "Cannot allocate queue: %s\n", snd_strerror(queue));
+ return;
+ }
+ printf("Queue ID = %i\n", queue);
+ event_sender_filter(handle);
+ if ((err = snd_seq_nonblock(handle, 1))<0)
+ fprintf(stderr, "Cannot set nonblock mode: %s\n", snd_strerror(err));
+
+ snd_seq_port_info_alloca(&pinfo);
+ snd_seq_port_info_set_capability(pinfo, SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_READ);
+ snd_seq_port_info_set_name(pinfo, "Output");
+ if ((err = snd_seq_create_port(handle, pinfo)) < 0) {
+ fprintf(stderr, "Cannot create output port: %s\n", snd_strerror(err));
+ return;
+ }
+ port = snd_seq_port_info_get_port(pinfo);
+
+ snd_seq_port_subscribe_alloca(&sub);
+ addr.client = client;
+ addr.port = port;
+ snd_seq_port_subscribe_set_sender(sub, &addr);
+
+ for (max = 0; max < argc; max++) {
+ ptr = argv[max];
+ if (!ptr)
+ continue;
+ if (!strcmp(ptr, "pcm")) {
+ pcm_flag = 1;
+ continue;
+ }
+ if (sscanf(ptr, "%i.%i", &v1, &v2) != 2) {
+ fprintf(stderr, "Wrong argument '%s'...\n", argv[max]);
+ return;
+ }
+ addr.client = v1;
+ addr.port = v2;
+ snd_seq_port_subscribe_set_dest(sub, &addr);
+ if ((err = snd_seq_subscribe_port(handle, sub))<0) {
+ fprintf(stderr, "Cannot subscribe port %i from client %i: %s\n", v2, v1, snd_strerror(err));
+ return;
+ }
+ }
+
+ printf("Destination client = %i, port = %i\n", addr.client, addr.port);
+
+#ifdef USE_PCM
+ if (pcm_flag) {
+ if ((err = snd_pcm_open(&phandle, "default", SND_PCM_STREAM_PLAYBACK, 0)) < 0) {
+ fprintf(stderr, "Playback open error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ set_hwparams(phandle);
+ pbuf = calloc(1, period_size * 4);
+ if (pbuf == NULL) {
+ fprintf(stderr, "No enough memory...\n");
+ exit(0);
+ }
+ }
+#endif
+ event_sender_start_timer(handle, client, queue, phandle);
+
+ /* send the first event */
+ send_event(handle, queue, client, port, &addr, &time);
+#ifdef USE_PCM
+ if (phandle)
+ max += snd_pcm_poll_descriptors_count(phandle);
+#endif
+ pfds = alloca(sizeof(*pfds) * max);
+ while (1) {
+ int nseqs = snd_seq_poll_descriptors_count(handle, POLLOUT|POLLIN);
+ if (snd_seq_event_output_pending(handle))
+ snd_seq_poll_descriptors(handle, pfds, nseqs, POLLOUT|POLLIN);
+ else
+ snd_seq_poll_descriptors(handle, pfds, nseqs, POLLIN);
+ max = nseqs;
+#ifdef USE_PCM
+ if (phandle) {
+ int pmax = snd_pcm_poll_descriptors_count(phandle);
+ snd_seq_poll_descriptors(phandle, pfds + max, pmax);
+ max += pmax;
+ }
+#endif
+ if (poll(pfds, max, -1) < 0)
+ break;
+#ifdef USE_PCM
+ if (phandle && (pfds[nseqs].revents & POLLOUT)) {
+ if (snd_pcm_writei(phandle, pbuf, period_size) != period_size) {
+ fprintf(stderr, "Playback write error!!\n");
+ exit(0);
+ }
+ }
+#endif
+ if (pfds[0].revents & POLLOUT)
+ snd_seq_drain_output(handle);
+ if (pfds[0].revents & POLLIN) {
+ do {
+ if ((err = snd_seq_event_input(handle, &ev))<0)
+ break;
+ if (!ev)
+ continue;
+ if (ev->type == SND_SEQ_EVENT_ECHO)
+ send_event(handle, queue, client, port, &addr, &time);
+ decode_event(ev);
+ snd_seq_free_event(ev);
+ } while (err > 0);
+ }
+ }
+}
diff --git a/test/seq.c b/test/seq.c
new file mode 100644
index 0000000..34b000f
--- /dev/null
+++ b/test/seq.c
@@ -0,0 +1,233 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <getopt.h>
+#include "../include/asoundlib.h"
+
+#include "seq-decoder.c"
+#include "seq-sender.c"
+
+#define SEQ_VERSION "0.0.1"
+
+#define HELPID_HELP 1000
+#define HELPID_DEBUG 1001
+#define HELPID_VERBOSE 1002
+#define HELPID_VERSION 1003
+
+int max_clients;
+int max_ports;
+int max_queues;
+int debug = 0;
+int verbose = 0;
+
+void set_name(snd_seq_t *handle)
+{
+ int err;
+ char name[64];
+
+ sprintf(name, "SeqUtil - %i", getpid());
+ if ((err = snd_seq_set_client_name(handle, name)) < 0) {
+ fprintf(stderr, "Set client info error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+}
+
+void system_info(snd_seq_t *handle)
+{
+ int err;
+ snd_seq_system_info_t *sysinfo;
+
+ snd_seq_system_info_alloca(&sysinfo);
+ if ((err = snd_seq_system_info(handle, sysinfo))<0) {
+ fprintf(stderr, "System info error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ max_clients = snd_seq_system_info_get_clients(sysinfo);
+ max_ports = snd_seq_system_info_get_ports(sysinfo);
+ max_queues = snd_seq_system_info_get_ports(sysinfo);
+}
+
+void show_system_info(snd_seq_t *handle ATTRIBUTE_UNUSED)
+{
+ printf("System info\n");
+ printf(" Max queues : %i\n", max_queues);
+ printf(" Max clients : %i\n", max_clients);
+ printf(" Max ports : %i\n", max_ports);
+}
+
+void show_queue_status(snd_seq_t *handle, int queue)
+{
+ int err, idx, min, max;
+ snd_seq_queue_status_t *status;
+
+ snd_seq_queue_status_alloca(&status);
+ min = queue < 0 ? 0 : queue;
+ max = queue < 0 ? max_queues : queue + 1;
+ for (idx = min; idx < max; idx++) {
+ if ((err = snd_seq_get_queue_status(handle, idx, status))<0) {
+ if (err == -ENOENT)
+ continue;
+ fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
+ exit(0);
+ }
+ printf("Queue %i info\n", snd_seq_queue_status_get_queue(status));
+ printf(" Tick : %u\n", snd_seq_queue_status_get_tick_time(status));
+ printf(" Realtime : %i.%i\n",
+ snd_seq_queue_status_get_real_time(status)->tv_sec,
+ snd_seq_queue_status_get_real_time(status)->tv_nsec);
+ printf(" Flags : 0x%x\n", snd_seq_queue_status_get_status(status));
+ }
+}
+
+void show_port_info(snd_seq_t *handle, int client, int port)
+{
+ int err, idx, min, max;
+ snd_seq_port_info_t *info;
+
+ snd_seq_port_info_alloca(&info);
+ min = port < 0 ? 0 : port;
+ max = port < 0 ? max_ports : port + 1;
+ for (idx = min; idx < max; idx++) {
+ if ((err = snd_seq_get_any_port_info(handle, client, idx, info))<0) {
+ if (err == -ENOENT)
+ continue;
+ fprintf(stderr, "Port %i/%i info error: %s\n", client, idx, snd_strerror(err));
+ exit(0);
+ }
+ printf(" Port %i info\n", idx);
+ printf(" Client : %i\n", snd_seq_port_info_get_client(info));
+ printf(" Port : %i\n", snd_seq_port_info_get_port(info));
+ printf(" Name : %s\n", snd_seq_port_info_get_name(info));
+ printf(" Capability : 0x%x\n", snd_seq_port_info_get_capability(info));
+ printf(" Type : 0x%x\n", snd_seq_port_info_get_type(info));
+ //printf(" Midi channels : %i\n", info.midi_channels);
+ //printf(" Synth voices : %i\n", info.synth_voices);
+ printf(" Output subs : %i\n", snd_seq_port_info_get_write_use(info));
+ printf(" Input subs : %i\n", snd_seq_port_info_get_read_use(info));
+ }
+}
+
+void show_client_info(snd_seq_t *handle, int client)
+{
+ int err, idx, min, max;
+ snd_seq_client_info_t *info;
+
+ snd_seq_client_info_alloca(&info);
+ min = client < 0 ? 0 : client;
+ max = client < 0 ? max_clients : client + 1;
+ for (idx = min; idx < max; idx++) {
+ if ((err = snd_seq_get_any_client_info(handle, idx, info))<0) {
+ if (err == -ENOENT)
+ continue;
+ fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
+ exit(0);
+ }
+ printf("Client %i info\n", idx);
+ if (verbose)
+ printf(" Client : %i\n", snd_seq_client_info_get_client(info));
+ printf(" Type : %s\n", snd_seq_client_info_get_type(info) == SND_SEQ_KERNEL_CLIENT ? "kernel" : "user");
+ printf(" Name : %s\n", snd_seq_client_info_get_name(info));
+ }
+}
+
+static void help(void)
+{
+ printf("Usage: seq <options> command\n");
+ printf("\nAvailable options:\n");
+ printf(" -h,--help this help\n");
+ printf(" -d,--debug debug mode\n");
+ printf(" -v,--verbose verbose mode\n");
+ printf(" -V,--version print version of this program\n");
+ printf("\nAvailable commands:\n");
+ printf(" system show basic sequencer info\n");
+ printf(" queue [#] show all queues or specified queue\n");
+ printf(" client [#] show all clients or specified client\n");
+ printf(" port <client> [#] show all ports or specified port for specified client\n");
+ printf(" decoder event decoder\n");
+ printf(" sender <client.port> [<client.port>] ... event sender\n");
+}
+
+int main(int argc, char *argv[])
+{
+ int morehelp, err, arg, arg1;
+ snd_seq_t *handle;
+ static struct option long_option[] =
+ {
+ {"help", 0, NULL, HELPID_HELP},
+ {"debug", 0, NULL, HELPID_DEBUG},
+ {"verbose", 0, NULL, HELPID_VERBOSE},
+ {"version", 0, NULL, HELPID_VERSION},
+ {NULL, 0, NULL, 0},
+ };
+
+ morehelp = 0;
+
+ while (1) {
+ int c;
+
+ if ((c = getopt_long(argc, argv, "hdvV", long_option, NULL)) < 0)
+ break;
+ switch (c) {
+ case 'h':
+ case HELPID_HELP:
+ morehelp++;
+ break;
+ case 'd':
+ case HELPID_DEBUG:
+ debug = 1;
+ break;
+ case 'v':
+ case HELPID_VERBOSE:
+ verbose = 1;
+ break;
+ case 'V':
+ case HELPID_VERSION:
+ printf("alsactl version " SEQ_VERSION "\n");
+ return 1;
+ default:
+ fprintf(stderr, "\07Invalid switch or option needs an argument.\n");
+ morehelp++;
+ }
+ }
+ if (morehelp) {
+ help();
+ return 1;
+ }
+ if (argc - optind <= 0) {
+ fprintf(stderr, "seq: Specify command...\n");
+ return 0;
+ }
+ if ((err = snd_seq_open(&handle, "hw", SND_SEQ_OPEN_DUPLEX, 0))<0) {
+ fprintf(stderr, "Open error: %s\n", snd_strerror(err));
+ exit(0);
+ }
+ set_name(handle);
+ system_info(handle);
+
+ if (!strcmp(argv[optind], "system")) {
+ show_system_info(handle);
+ } else if (!strcmp(argv[optind], "queue")) {
+ arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
+ show_queue_status(handle, arg);
+ } else if (!strcmp(argv[optind], "client")) {
+ arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
+ show_client_info(handle, arg);
+ } else if (!strcmp(argv[optind], "port")) {
+ arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
+ if (arg < 0) {
+ fprintf(stderr, "Specify port...\n");
+ exit(0);
+ }
+ arg1 = argc - optind > 2 ? atoi(argv[optind + 2]) : -1;
+ show_port_info(handle, arg, arg1);
+ } else if (!strcmp(argv[optind], "decoder")) {
+ event_decoder(handle, argc - optind - 1, argv + optind + 1);
+ } else if (!strcmp(argv[optind], "sender")) {
+ event_sender(handle, argc - optind - 1, argv + optind + 1);
+ } else {
+ help();
+ }
+ exit(1);
+}
diff --git a/test/timer.c b/test/timer.c
new file mode 100644
index 0000000..b05eb2f
--- /dev/null
+++ b/test/timer.c
@@ -0,0 +1,193 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include "../include/asoundlib.h"
+
+void show_status(void *handle)
+{
+ int err;
+ snd_timer_status_t *status;
+
+ snd_timer_status_alloca(&status);
+ if ((err = snd_timer_status(handle, status)) < 0) {
+ fprintf(stderr, "timer status %i (%s)\n", err, snd_strerror(err));
+ return;
+ }
+ printf("STATUS:\n");
+ printf(" resolution = %li\n", snd_timer_status_get_resolution(status));
+ printf(" lost = %li\n", snd_timer_status_get_lost(status));
+ printf(" overrun = %li\n", snd_timer_status_get_overrun(status));
+ printf(" queue = %li\n", snd_timer_status_get_queue(status));
+}
+
+void read_loop(void *handle, int master_ticks, int timeout)
+{
+ int count, err;
+ struct pollfd *fds;
+ snd_timer_read_t tr;
+
+ count = snd_timer_poll_descriptors_count(handle);
+ fds = calloc(count, sizeof(struct pollfd));
+ if (fds == NULL) {
+ fprintf(stderr, "malloc error\n");
+ exit(EXIT_FAILURE);
+ }
+ while (master_ticks-- > 0) {
+ if ((err = snd_timer_poll_descriptors(handle, fds, count)) < 0) {
+ fprintf(stderr, "snd_timer_poll_descriptors error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ if ((err = poll(fds, count, timeout)) < 0) {
+ fprintf(stderr, "poll error %i (%s)\n", err, strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ if (err == 0) {
+ fprintf(stderr, "timer time out!!\n");
+ exit(EXIT_FAILURE);
+ }
+ while (snd_timer_read(handle, &tr, sizeof(tr)) == sizeof(tr)) {
+ printf("TIMER: resolution = %uns, ticks = %u\n",
+ tr.resolution, tr.ticks);
+ }
+ }
+ free(fds);
+}
+
+static void async_callback(snd_async_handler_t *ahandler)
+{
+ snd_timer_t *handle = snd_async_handler_get_timer(ahandler);
+ int *acount = snd_async_handler_get_callback_private(ahandler);
+ snd_timer_read_t tr;
+
+ while (snd_timer_read(handle, &tr, sizeof(tr)) == sizeof(tr)) {
+ printf("TIMER: resolution = %uns, ticks = %u\n",
+ tr.resolution, tr.ticks);
+ }
+ (*acount)++;
+}
+
+int main(int argc, char *argv[])
+{
+ int idx, err;
+ int class = SND_TIMER_CLASS_GLOBAL;
+ int sclass = SND_TIMER_CLASS_NONE;
+ int card = 0;
+ int device = SND_TIMER_GLOBAL_SYSTEM;
+ int subdevice = 0;
+ int list = 0;
+ int async = 0;
+ int acount = 0;
+ snd_timer_t *handle;
+ snd_timer_id_t *id;
+ snd_timer_info_t *info;
+ snd_timer_params_t *params;
+ char timername[64];
+ snd_async_handler_t *ahandler;
+
+ snd_timer_id_alloca(&id);
+ snd_timer_info_alloca(&info);
+ snd_timer_params_alloca(¶ms);
+
+ idx = 1;
+ while (idx < argc) {
+ if (!strncmp(argv[idx], "class=", 5)) {
+ class = atoi(argv[idx]+6);
+ } else if (!strncmp(argv[idx], "sclass=", 6)) {
+ sclass = atoi(argv[idx]+7);
+ } else if (!strncmp(argv[idx], "card=", 5)) {
+ card = atoi(argv[idx]+5);
+ } else if (!strncmp(argv[idx], "device=", 7)) {
+ device = atoi(argv[idx]+7);
+ } else if (!strncmp(argv[idx], "subdevice=", 10)) {
+ subdevice = atoi(argv[idx]+10);
+ } else if (!strcmp(argv[idx], "list")) {
+ list = 1;
+ } else if (!strcmp(argv[idx], "async")) {
+ async = 1;
+ }
+ idx++;
+ }
+ if (class == SND_TIMER_CLASS_SLAVE && sclass == SND_TIMER_SCLASS_NONE) {
+ fprintf(stderr, "slave class is not set\n");
+ exit(EXIT_FAILURE);
+ }
+ if (list) {
+ snd_timer_query_t *qhandle;
+ if ((err = snd_timer_query_open(&qhandle, "hw", 0)) < 0) {
+ fprintf(stderr, "snd_timer_query_open error: %s\n", snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ snd_timer_id_set_class(id, SND_TIMER_CLASS_NONE);
+ while (1) {
+ if ((err = snd_timer_query_next_device(qhandle, id)) < 0) {
+ fprintf(stderr, "timer next device error: %s\n", snd_strerror(err));
+ break;
+ }
+ if (snd_timer_id_get_class(id) < 0)
+ break;
+ printf("Timer device: class %i, sclass %i, card %i, device %i, subdevice %i\n",
+ snd_timer_id_get_class(id),
+ snd_timer_id_get_sclass(id),
+ snd_timer_id_get_card(id),
+ snd_timer_id_get_device(id),
+ snd_timer_id_get_subdevice(id));
+ }
+ snd_timer_query_close(qhandle);
+ exit(EXIT_SUCCESS);
+ }
+ sprintf(timername, "hw:CLASS=%i,SCLASS=%i,CARD=%i,DEV=%i,SUBDEV=%i", class, sclass, card, device, subdevice);
+ if ((err = snd_timer_open(&handle, timername, SND_TIMER_OPEN_NONBLOCK))<0) {
+ fprintf(stderr, "timer open %i (%s)\n", err, snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ printf("Using timer class %i, slave class %i, card %i, device %i, subdevice %i\n", class, sclass, card, device, subdevice);
+ if ((err = snd_timer_info(handle, info)) < 0) {
+ fprintf(stderr, "timer info %i (%s)\n", err, snd_strerror(err));
+ exit(0);
+ }
+ printf("Timer info:\n");
+ printf(" slave = %s\n", snd_timer_info_is_slave(info) ? "yes" : "no");
+ printf(" card = %i\n", snd_timer_info_get_card(info));
+ printf(" id = '%s'\n", snd_timer_info_get_id(info));
+ printf(" name = '%s'\n", snd_timer_info_get_name(info));
+ printf(" average resolution = %li\n", snd_timer_info_get_resolution(info));
+ snd_timer_params_set_auto_start(params, 1);
+ if (!snd_timer_info_is_slave(info)) {
+ snd_timer_params_set_ticks(params, (1000000000 / snd_timer_info_get_resolution(info)) / 50); /* 50Hz */
+ if (snd_timer_params_get_ticks(params) < 1)
+ snd_timer_params_set_ticks(params, 1);
+ printf("Using %li tick(s)\n", snd_timer_params_get_ticks(params));
+ } else {
+ snd_timer_params_set_ticks(params, 1);
+ }
+ if ((err = snd_timer_params(handle, params)) < 0) {
+ fprintf(stderr, "timer params %i (%s)\n", err, snd_strerror(err));
+ exit(0);
+ }
+ show_status(handle);
+ if (async) {
+ err = snd_async_add_timer_handler(&ahandler, handle, async_callback, &acount);
+ if (err < 0) {
+ fprintf(stderr, "unable to add async handler %i (%s)\n", err, snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ }
+ if ((err = snd_timer_start(handle)) < 0) {
+ fprintf(stderr, "timer start %i (%s)\n", err, snd_strerror(err));
+ exit(EXIT_FAILURE);
+ }
+ if (async) {
+ /* because all other work is done in the signal handler,
+ suspend the process */
+ while (acount < 25)
+ sleep(1);
+ snd_timer_stop(handle);
+ } else {
+ read_loop(handle, 25, snd_timer_info_is_slave(info) ? 10000 : 25);
+ }
+ show_status(handle);
+ snd_timer_close(handle);
+ printf("Done\n");
+ return EXIT_SUCCESS;
+}
diff --git a/utils/Makefile.am b/utils/Makefile.am
new file mode 100644
index 0000000..7220c02
--- /dev/null
+++ b/utils/Makefile.am
@@ -0,0 +1,14 @@
+if INSTALL_M4
+aclocaldir=$(datadir)/aclocal
+aclocal_DATA=alsa.m4
+endif
+EXTRA_DIST=alsa.m4 buildrpm alsa.pc.in
+
+alsapkgconfdir = @ALSA_PKGCONF_DIR@
+pkgconfigdir = $(alsapkgconfdir)
+pkgconfig_DATA = alsa.pc
+
+rpm: buildrpm alsa-lib.spec
+ VERSION=$(VERSION) $(srcdir)/buildrpm
+
+AM_CPPFLAGS=-I$(top_srcdir)/include
diff --git a/utils/Makefile.in b/utils/Makefile.in
new file mode 100644
index 0000000..a6a4de0
--- /dev/null
+++ b/utils/Makefile.in
@@ -0,0 +1,498 @@
+# Makefile.in generated by automake 1.12.2 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+
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+uninstall-aclocalDATA:
+ @$(NORMAL_UNINSTALL)
+ @list='$(aclocal_DATA)'; test -n "$(aclocaldir)" || list=; \
+ files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+ dir='$(DESTDIR)$(aclocaldir)'; $(am__uninstall_files_from_dir)
+install-pkgconfigDATA: $(pkgconfig_DATA)
+ @$(NORMAL_INSTALL)
+ @list='$(pkgconfig_DATA)'; test -n "$(pkgconfigdir)" || list=; \
+ if test -n "$$list"; then \
+ echo " $(MKDIR_P) '$(DESTDIR)$(pkgconfigdir)'"; \
+ $(MKDIR_P) "$(DESTDIR)$(pkgconfigdir)" || exit 1; \
+ fi; \
+ for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ echo "$$d$$p"; \
+ done | $(am__base_list) | \
+ while read files; do \
+ echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(pkgconfigdir)'"; \
+ $(INSTALL_DATA) $$files "$(DESTDIR)$(pkgconfigdir)" || exit $$?; \
+ done
+
+uninstall-pkgconfigDATA:
+ @$(NORMAL_UNINSTALL)
+ @list='$(pkgconfig_DATA)'; test -n "$(pkgconfigdir)" || list=; \
+ files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+ dir='$(DESTDIR)$(pkgconfigdir)'; $(am__uninstall_files_from_dir)
+tags: TAGS
+TAGS:
+
+ctags: CTAGS
+CTAGS:
+
+cscope cscopelist:
+
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(DATA)
+installdirs:
+ for dir in "$(DESTDIR)$(aclocaldir)" "$(DESTDIR)$(pkgconfigdir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-aclocalDATA install-pkgconfigDATA
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-aclocalDATA uninstall-pkgconfigDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+ distclean distclean-generic distclean-libtool distdir dvi \
+ dvi-am html html-am info info-am install install-aclocalDATA \
+ install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-info install-info-am install-man \
+ install-pdf install-pdf-am install-pkgconfigDATA install-ps \
+ install-ps-am install-strip installcheck installcheck-am \
+ installdirs maintainer-clean maintainer-clean-generic \
+ mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
+ ps ps-am uninstall uninstall-aclocalDATA uninstall-am \
+ uninstall-pkgconfigDATA
+
+
+rpm: buildrpm alsa-lib.spec
+ VERSION=$(VERSION) $(srcdir)/buildrpm
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/utils/alsa-lib.spec.in b/utils/alsa-lib.spec.in
new file mode 100644
index 0000000..021cc75
--- /dev/null
+++ b/utils/alsa-lib.spec.in
@@ -0,0 +1,75 @@
+%define ver @SND_LIB_VERSION@
+%define rel 1
+
+Summary: Advanced Linux Sound Architecture (ALSA) - Library
+Name: alsa-lib
+Version: %ver
+Release: %rel
+License: LGPL
+Group: System/Libraries
+Source: ftp://ftp.alsa-project.org/pub/lib/alsa-lib-%{ver}.tar.bz2
+BuildRoot: %{_tmppath}/%{name}-%{version}-root
+URL: http://www.alsa-project.org
+
+%description
+
+Advanced Linux Sound Architecture (ALSA) - Library
+
+%package -n alsa-lib-devel
+Summary: ALSA Libraries Development Files
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release}
+
+%description -n alsa-lib-devel
+Development files for building applications which use the ALSA libraries.
+
+%changelog
+* Sat Feb 22 2003 Ronny V. Vindenes <sublett@dc-s.com>
+- split alsa-lib into alsa-lib and alsa-lib-devel
+- changed which files are installed (now includes alsa.pc)
+- use standard rpm macros for build and install
+- changed BuildRoot from /var/tmp to %{_tmppath}
+
+* Tue Nov 20 2001 Jaroslav Kysela <perex@perex.cz>
+
+- changed BuildRoot from /tmp to /var/tmp
+- use the standard RPM macros for prefix and paths
+- added DESTDIR for make install
+
+* Sun Nov 11 2001 Miroslav Benes <mbenes@tenez.cz>
+
+- dangerous command "rpm -rf $RPM_BUILD_ROOT" checks $RPM_BUILD_ROOT variable
+- unset key "Docdir" - on some new systems are documentation in /usr/share/doc
+
+* Mon May 28 1998 Helge Jensen <slog@slog.dk>
+
+- Made SPEC file
+
+%prep
+%setup
+%build
+%configure
+make
+
+%install
+[ "$RPM_BUILD_ROOT" != "/" ] && rm -rf $RPM_BUILD_ROOT
+%makeinstall
+
+%clean
+[ "$RPM_BUILD_ROOT" != "/" ] && rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(-, root, root)
+%{_bindir}/*
+%{_libdir}/*.so.*
+%{_datadir}/alsa
+%doc doc/*.txt
+
+%files -n alsa-lib-devel
+%defattr(-,root,root)
+%{_includedir}/alsa
+%{_includedir}/sys/*
+%{_libdir}/*.la
+%{_libdir}/*.so
+%{_datadir}/aclocal/*
+%{_libdir}/pkgconfig/*
diff --git a/utils/alsa.m4 b/utils/alsa.m4
new file mode 100644
index 0000000..e12310d
--- /dev/null
+++ b/utils/alsa.m4
@@ -0,0 +1,143 @@
+dnl Configure Paths for Alsa
+dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
+dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
+dnl Jaroslav Kysela <perex@perex.cz>
+dnl Last modification: $Id: alsa.m4,v 1.24 2004/09/15 18:48:07 tiwai Exp $
+dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
+dnl enables arguments --with-alsa-prefix=
+dnl --with-alsa-enc-prefix=
+dnl --disable-alsatest
+dnl
+dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
+dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
+dnl
+AC_DEFUN([AM_PATH_ALSA],
+[dnl Save the original CFLAGS, LDFLAGS, and LIBS
+alsa_save_CFLAGS="$CFLAGS"
+alsa_save_LDFLAGS="$LDFLAGS"
+alsa_save_LIBS="$LIBS"
+alsa_found=yes
+
+dnl
+dnl Get the cflags and libraries for alsa
+dnl
+AC_ARG_WITH(alsa-prefix,
+[ --with-alsa-prefix=PFX Prefix where Alsa library is installed(optional)],
+[alsa_prefix="$withval"], [alsa_prefix=""])
+
+AC_ARG_WITH(alsa-inc-prefix,
+[ --with-alsa-inc-prefix=PFX Prefix where include libraries are (optional)],
+[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
+
+dnl FIXME: this is not yet implemented
+AC_ARG_ENABLE(alsatest,
+[ --disable-alsatest Do not try to compile and run a test Alsa program],
+[enable_alsatest="$enableval"],
+[enable_alsatest=yes])
+
+dnl Add any special include directories
+AC_MSG_CHECKING(for ALSA CFLAGS)
+if test "$alsa_inc_prefix" != "" ; then
+ ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
+ CFLAGS="$CFLAGS -I$alsa_inc_prefix"
+fi
+AC_MSG_RESULT($ALSA_CFLAGS)
+
+dnl add any special lib dirs
+AC_MSG_CHECKING(for ALSA LDFLAGS)
+if test "$alsa_prefix" != "" ; then
+ ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"
+ LDFLAGS="$LDFLAGS $ALSA_LIBS"
+fi
+
+dnl add the alsa library
+ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
+LIBS="$ALSA_LIBS $LIBS"
+AC_MSG_RESULT($ALSA_LIBS)
+
+dnl Check for a working version of libasound that is of the right version.
+if test "x$enable_alsatest" = "xyes"; then
+min_alsa_version=ifelse([$1], ,0.1.1,$1)
+AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)
+no_alsa=""
+ alsa_min_major_version=`echo $min_alsa_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ alsa_min_minor_version=`echo $min_alsa_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ alsa_min_micro_version=`echo $min_alsa_version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+AC_LANG_SAVE
+AC_LANG_C
+AC_TRY_COMPILE([
+#include <alsa/asoundlib.h>
+], [
+/* ensure backward compatibility */
+#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
+#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
+#endif
+#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
+#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
+#endif
+#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
+#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
+#endif
+
+# if(SND_LIB_MAJOR > $alsa_min_major_version)
+ exit(0);
+# else
+# if(SND_LIB_MAJOR < $alsa_min_major_version)
+# error not present
+# endif
+
+# if(SND_LIB_MINOR > $alsa_min_minor_version)
+ exit(0);
+# else
+# if(SND_LIB_MINOR < $alsa_min_minor_version)
+# error not present
+# endif
+
+# if(SND_LIB_SUBMINOR < $alsa_min_micro_version)
+# error not present
+# endif
+# endif
+# endif
+exit(0);
+],
+ [AC_MSG_RESULT(found.)],
+ [AC_MSG_RESULT(not present.)
+ ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
+ alsa_found=no]
+)
+AC_LANG_RESTORE
+fi
+
+dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
+if test "x$enable_alsatest" = "xyes"; then
+AC_CHECK_LIB([asound], [snd_ctl_open],,
+ [ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
+ alsa_found=no]
+)
+fi
+
+if test "x$alsa_found" = "xyes" ; then
+ ifelse([$2], , :, [$2])
+ LIBS=`echo $LIBS | sed 's/-lasound//g'`
+ LIBS=`echo $LIBS | sed 's/ //'`
+ LIBS="-lasound $LIBS"
+fi
+if test "x$alsa_found" = "xno" ; then
+ ifelse([$3], , :, [$3])
+ CFLAGS="$alsa_save_CFLAGS"
+ LDFLAGS="$alsa_save_LDFLAGS"
+ LIBS="$alsa_save_LIBS"
+ ALSA_CFLAGS=""
+ ALSA_LIBS=""
+fi
+
+dnl That should be it. Now just export out symbols:
+AC_SUBST(ALSA_CFLAGS)
+AC_SUBST(ALSA_LIBS)
+])
+
diff --git a/utils/alsa.pc.in b/utils/alsa.pc.in
new file mode 100644
index 0000000..8de9859
--- /dev/null
+++ b/utils/alsa.pc.in
@@ -0,0 +1,14 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: alsa
+Description: Advanced Linux Sound Architecture (ALSA) - Library
+Version: @VERSION@
+Requires:
+Libs: -L${libdir} -lasound
+Libs.private: @ALSA_DEPLIBS@
+# -I${includedir}/alsa below is just for backward compatibility
+# (it was set so mistakely in the older version)
+Cflags: -I${includedir} -I${includedir}/alsa
diff --git a/utils/buildrpm b/utils/buildrpm
new file mode 100755
index 0000000..e6f44ba
--- /dev/null
+++ b/utils/buildrpm
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+source=.
+version=`cat $source/../version`
+package=$source/../../alsa-lib-$version.tar.bz2
+packagedir=/usr/src/redhat
+xrpmbuild=rpm
+rpmbuild --usage 2> /dev/null > /dev/null && xrpmbuild=rpmbuild
+
+if [ -d /usr/src/packages ]; then
+ packagedir=/usr/src/packages
+fi
+
+make -C .. clean
+make -C .. dist
+
+if [ ! -r $package ]; then
+ package=$source/../alsa-lib-$version.tar.bz2
+ if [ ! -r $package ]; then
+ echo "Error: wrong package: $package"
+ exit 1
+ fi
+fi
+
+cp -fv $package ${packagedir}/SOURCES
+
+if [ ! -r $source/buildrpm ]; then
+ echo "Error: invalid directory: $source"
+ exit 1
+fi
+
+if [ ! -d ${packagedir} ]; then
+ echo "Error: ${packagedir} directory not found"
+ exit 1
+fi
+
+if [ ! -r $source/alsa-lib.spec ]; then
+ cd $source/..
+ ./configure
+ cd utils
+fi
+
+cp -fv $source/alsa-lib.spec ${packagedir}/SPECS
+cd ${packagedir}/SPECS
+$xrpmbuild -ba alsa-lib.spec
+cd ${packagedir}
diff --git a/version b/version
new file mode 100644
index 0000000..4c24bf1
--- /dev/null
+++ b/version
@@ -0,0 +1 @@
+1.0.29
