2 * This file is part of DisOrder
3 * Copyright (C) 2007 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <sys/ioctl.h>
33 #include "configuration.h"
38 static const struct mixer *mixers[] = {
39 #if HAVE_SYS_SOUNDCARD_H
44 #define NMIXERS (sizeof mixers / sizeof *mixers)
46 static const struct mixer *find_mixer(int api) {
49 for(n = 0; n < NMIXERS; ++n)
50 if(mixers[n]->api == api)
55 int mixer_valid_channel(int api, const char *c) {
56 const struct mixer *const m = find_mixer(api);
58 return m ? m->validate_channel(c) : 1;
61 int mixer_valid_device(int api, const char *d) {
62 const struct mixer *const m = find_mixer(api);
64 return m ? m->validate_device(d) : 1;
67 int mixer_control(int *left, int *right, int set) {
68 const struct mixer *const m = find_mixer(config->api);
72 return m->set(left, right);
74 return m->get(left, right);
79 error(0, "don't know how to get/set volume with this api");
86 const char *mixer_default_device(int api) {
87 const struct mixer *const m = find_mixer(api);
89 return m ? m->device : "";
92 const char *mixer_default_channel(int api) {
93 const struct mixer *const m = find_mixer(api);
95 return m ? m->channel : "";