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mixer: adding code to optionally disable all hw mixers

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This commit is contained in:
Viliam Mateicka
2009-03-02 18:39:43 +01:00
committed by Max Kellermann
parent 2f438e5d23
commit 406b0403a5
3 changed files with 33 additions and 3 deletions
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31
src/mixer_api.c
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@@ -19,13 +19,30 @@
#include <stdio.h>
#include <assert.h>
#include <glib.h>
#include "mixer_api.h"
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "mixer"
static bool mixers_enabled = true;
void mixer_disable_all(void)
{
g_debug("mixer api is disabled\n");
mixers_enabled = false;
}
struct mixer *
mixer_new(const struct mixer_plugin *plugin, const struct config_param *param)
{
struct mixer *mixer;
//mixers are disabled (by using software volume)
if (!mixers_enabled) {
return NULL;
}
assert(plugin != NULL);
mixer = plugin->init(param);
@@ -38,7 +55,9 @@ mixer_new(const struct mixer_plugin *plugin, const struct config_param *param)
void
mixer_free(struct mixer *mixer)
{
assert(mixer != NULL);
if (!mixer) {
return;
}
assert(mixer->plugin != NULL);
mixer->plugin->finish(mixer);
@@ -46,12 +65,18 @@ mixer_free(struct mixer *mixer)
bool mixer_open(struct mixer *mixer)
{
assert(mixer != NULL && mixer->plugin != NULL);
if (!mixer) {
return false;
}
assert(mixer->plugin != NULL);
return mixer->plugin->open(mixer);
}
void mixer_close(struct mixer *mixer)
{
assert(mixer != NULL && mixer->plugin != NULL);
if (!mixer) {
return;
}
assert(mixer->plugin != NULL);
mixer->plugin->close(mixer);
}