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-rw-r--r--src/mixer_api.c31
-rw-r--r--src/mixer_api.h2
-rw-r--r--src/volume.c3
3 files changed, 33 insertions, 3 deletions
diff --git a/src/mixer_api.c b/src/mixer_api.c
index ec621950c..9dc3e3b09 100644
--- a/src/mixer_api.c
+++ b/src/mixer_api.c
@@ -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);
}
diff --git a/src/mixer_api.h b/src/mixer_api.h
index 48f962ed7..c8f219d83 100644
--- a/src/mixer_api.h
+++ b/src/mixer_api.h
@@ -99,4 +99,6 @@ mixer_set_volume(struct mixer *mixer, unsigned volume)
return mixer->plugin->set_volume(mixer, volume);
}
+void mixer_disable_all(void);
+
#endif
diff --git a/src/volume.c b/src/volume.c
index 3ff42b9be..46d6118d4 100644
--- a/src/volume.c
+++ b/src/volume.c
@@ -24,6 +24,7 @@
#include "config.h"
#include "audio.h"
#include "output_all.h"
+#include "mixer_api.h"
#include <glib.h>
@@ -140,8 +141,10 @@ void volume_init(void)
if (param) {
if (strcmp(param->value, VOLUME_MIXER_SOFTWARE) == 0) {
volume_mixer_type = VOLUME_MIXER_TYPE_SOFTWARE;
+ mixer_disable_all();
} else if (strcmp(param->value, VOLUME_MIXER_DISABLED) == 0) {
volume_mixer_type = VOLUME_MIXER_TYPE_DISABLED;
+ mixer_disable_all();
} else if (strcmp(param->value, VOLUME_MIXER_HARDWARE) == 0) {
//nothing to do
} else {