| /** |
| * \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 */ |
| |