| /* |
| * Advanced Linux Sound Architecture Control Program |
| * Copyright (c) by Abramo Bagnara <abramo@alsa-project.org> |
| * 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 "aconfig.h" |
| #include "version.h" |
| #include <getopt.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <assert.h> |
| #include <errno.h> |
| #include <alsa/asoundlib.h> |
| #include "alsactl.h" |
| |
| #ifndef SYS_ASOUNDRC |
| #define SYS_ASOUNDRC "/var/lib/alsa/asound.state" |
| #endif |
| |
| int debugflag = 0; |
| int force_restore = 1; |
| int ignore_nocards = 0; |
| char *command; |
| char *statefile = NULL; |
| |
| static void help(void) |
| { |
| printf("Usage: alsactl <options> command\n"); |
| printf("\nAvailable global options:\n"); |
| printf(" -h,--help this help\n"); |
| printf(" -d,--debug debug mode\n"); |
| printf(" -v,--version print version of this program\n"); |
| printf("\nAvailable state options:\n"); |
| printf(" -f,--file # configuration file (default " SYS_ASOUNDRC ")\n"); |
| printf(" -F,--force try to restore the matching controls as much as possible\n"); |
| printf(" (default mode)\n"); |
| printf(" -g,--ignore ignore 'No soundcards found' error\n"); |
| printf(" -P,--pedantic do not restore mismatching controls (old default)\n"); |
| printf(" -I,--no-init-fallback\n" |
| " don't initialize even if restore fails\n"); |
| printf(" -r,--runstate # save restore and init state to this file (only errors)\n"); |
| printf(" default settings is 'no file set'\n"); |
| printf(" -R,--remove remove runstate file at first, otherwise append errors\n"); |
| printf("\nAvailable init options:\n"); |
| printf(" -E,--env #=# set environment variable for init phase (NAME=VALUE)\n"); |
| printf(" -i,--initfile # main configuation file for init phase (default " DATADIR "/init/00main)\n"); |
| printf("\n"); |
| printf("\nAvailable commands:\n"); |
| printf(" store <card #> save current driver setup for one or each soundcards\n"); |
| printf(" to configuration file\n"); |
| printf(" restore <card #> load current driver setup for one or each soundcards\n"); |
| printf(" from configuration file\n"); |
| printf(" init <card #> initialize driver to a default state\n"); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| static const struct option long_option[] = |
| { |
| {"help", 0, NULL, 'h'}, |
| {"file", 1, NULL, 'f'}, |
| {"env", 1, NULL, 'E'}, |
| {"initfile", 1, NULL, 'i'}, |
| {"no-init-fallback", 0, NULL, 'I'}, |
| {"force", 0, NULL, 'F'}, |
| {"ignore", 0, NULL, 'g'}, |
| {"pedantic", 0, NULL, 'P'}, |
| {"runstate", 0, NULL, 'r'}, |
| {"remove", 0, NULL, 'R'}, |
| {"debug", 0, NULL, 'd'}, |
| {"version", 0, NULL, 'v'}, |
| {NULL, 0, NULL, 0}, |
| }; |
| static const char *const devfiles[] = { |
| "/dev/snd/controlC", |
| "/dev/snd/pcmC", |
| "/dev/snd/midiC", |
| "/dev/snd/hwC", |
| NULL |
| }; |
| char *cfgfile = SYS_ASOUNDRC; |
| char *initfile = DATADIR "/init/00main"; |
| char *cardname, ncardname[16]; |
| const char *const *tmp; |
| int removestate = 0; |
| int init_fallback = 1; /* new default behavior */ |
| int res; |
| |
| command = argv[0]; |
| while (1) { |
| int c; |
| |
| if ((c = getopt_long(argc, argv, "hdvf:FgE:i:IPr:R", long_option, NULL)) < 0) |
| break; |
| switch (c) { |
| case 'h': |
| help(); |
| return EXIT_SUCCESS; |
| case 'f': |
| cfgfile = optarg; |
| break; |
| case 'F': |
| force_restore = 1; |
| break; |
| case 'g': |
| ignore_nocards = 1; |
| break; |
| case 'E': |
| if (putenv(optarg)) { |
| fprintf(stderr, "environment string '%s' is wrong\n", optarg); |
| return EXIT_FAILURE; |
| } |
| break; |
| case 'i': |
| initfile = optarg; |
| break; |
| case 'I': |
| init_fallback = 0; |
| break; |
| case 'r': |
| statefile = optarg; |
| break; |
| case 'R': |
| removestate = 1; |
| break; |
| case 'P': |
| force_restore = 0; |
| break; |
| case 'd': |
| debugflag = 1; |
| break; |
| case 'v': |
| printf("alsactl version " SND_UTIL_VERSION_STR "\n"); |
| return EXIT_SUCCESS; |
| case '?': // error msg already printed |
| help(); |
| return EXIT_FAILURE; |
| break; |
| default: // should never happen |
| fprintf(stderr, |
| "Invalid option '%c' (%d) not handled??\n", c, c); |
| } |
| } |
| if (argc - optind <= 0) { |
| fprintf(stderr, "alsactl: Specify command...\n"); |
| return 0; |
| } |
| |
| cardname = argc - optind > 1 ? argv[optind + 1] : NULL; |
| for (tmp = devfiles; cardname != NULL && *tmp != NULL; tmp++) { |
| int len = strlen(*tmp); |
| if (!strncmp(cardname, *tmp, len)) { |
| long l = strtol(cardname + len, NULL, 0); |
| sprintf(ncardname, "%li", l); |
| cardname = ncardname; |
| break; |
| } |
| } |
| |
| if (!strcmp(argv[optind], "init")) { |
| res = init(initfile, cardname); |
| } else if (!strcmp(argv[optind], "store")) { |
| res = save_state(cfgfile, cardname); |
| } else if (!strcmp(argv[optind], "restore")) { |
| if (removestate) |
| remove(statefile); |
| res = load_state(cfgfile, initfile, cardname, init_fallback); |
| } else { |
| fprintf(stderr, "alsactl: Unknown command '%s'...\n", |
| argv[optind]); |
| res = -ENODEV; |
| } |
| |
| snd_config_update_free_global(); |
| return res < 0 ? -res : 0; |
| } |