| /* |
| * alsamixer - curses mixer for the ALSA project |
| * Copyright (c) 1998,1999 Tim Janik |
| * Jaroslav Kysela <perex@perex.cz> |
| * Copyright (c) 2009 Clemens Ladisch <clemens@ladisch.de> |
| * |
| * 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, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "aconfig.h" |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <locale.h> |
| #include <getopt.h> |
| #include <alsa/asoundlib.h> |
| #include "gettext_curses.h" |
| #include "mixer_widget.h" |
| #include "mainloop.h" |
| |
| static int use_color = 1; |
| static struct snd_mixer_selem_regopt selem_regopt = { |
| .ver = 1, |
| .abstract = SND_MIXER_SABSTRACT_NONE, |
| .device = "default", |
| }; |
| |
| static void show_help(void) |
| { |
| puts(_("Usage: alsamixer [options]")); |
| puts(_("Useful options:\n" |
| " -h, --help this help\n" |
| " -c, --card=NUMBER sound card number or id\n" |
| " -D, --device=NAME mixer device name\n" |
| " -V, --view=MODE starting view mode: playback/capture/all")); |
| puts(_("Debugging options:\n" |
| " -g, --no-color toggle using of colors\n" |
| " -a, --abstraction=NAME mixer abstraction level: none/basic")); |
| } |
| |
| static void parse_options(int argc, char *argv[]) |
| { |
| static const char short_options[] = "hc:D:V:gsa:"; |
| static const struct option long_options[] = { |
| { .name = "help", .val = 'h' }, |
| { .name = "card", .has_arg = 1, .val = 'c' }, |
| { .name = "device", .has_arg = 1, .val = 'D' }, |
| { .name = "view", .has_arg = 1, .val = 'V' }, |
| { .name = "no-color", .val = 'g' }, |
| { .name = "abstraction", .has_arg = 1, .val = 'a' }, |
| { } |
| }; |
| int option; |
| int card_index; |
| static char name_buf[16]; |
| |
| while ((option = getopt_long(argc, argv, short_options, |
| long_options, NULL)) != -1) { |
| switch (option) { |
| case '?': |
| case 'h': |
| show_help(); |
| exit(EXIT_SUCCESS); |
| case 'c': |
| card_index = snd_card_get_index(optarg); |
| if (card_index < 0) { |
| fprintf(stderr, _("invalid card index: %s\n"), optarg); |
| goto fail; |
| } |
| sprintf(name_buf, "hw:%d", card_index); |
| selem_regopt.device = name_buf; |
| break; |
| case 'D': |
| selem_regopt.device = optarg; |
| break; |
| case 'V': |
| if (*optarg == 'p' || *optarg == 'P') |
| view_mode = VIEW_MODE_PLAYBACK; |
| else if (*optarg == 'c' || *optarg == 'C') |
| view_mode = VIEW_MODE_CAPTURE; |
| else |
| view_mode = VIEW_MODE_ALL; |
| break; |
| case 'g': |
| use_color = !use_color; |
| break; |
| case 'a': |
| if (!strcmp(optarg, "none")) |
| selem_regopt.abstract = SND_MIXER_SABSTRACT_NONE; |
| else if (!strcmp(optarg, "basic")) |
| selem_regopt.abstract = SND_MIXER_SABSTRACT_BASIC; |
| else { |
| fprintf(stderr, _("unknown abstraction level: %s\n"), optarg); |
| goto fail; |
| } |
| break; |
| default: |
| fprintf(stderr, _("unknown option: %c\n"), option); |
| fail: |
| fputs(_("try `alsamixer --help' for more information\n"), stderr); |
| exit(EXIT_FAILURE); |
| } |
| } |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| setlocale(LC_ALL, ""); |
| #ifdef ENABLE_NLS_IN_CURSES |
| textdomain(PACKAGE); |
| #endif |
| |
| parse_options(argc, argv); |
| |
| create_mixer_object(&selem_regopt); |
| |
| initialize_curses(use_color); |
| |
| create_mixer_widget(); |
| |
| mainloop(); |
| |
| app_shutdown(); |
| return 0; |
| } |