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-rw-r--r--src/audiomixer.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/audiomixer.h b/src/audiomixer.h
index cc67a83..2e50420 100644
--- a/src/audiomixer.h
+++ b/src/audiomixer.h
@@ -20,6 +20,7 @@ struct mixer_control
{
char name[32];
double volume;
+ float gain;
bool mute;
};
@@ -30,6 +31,7 @@ struct audiomixer_events
void (*value_changed) (void *data,
#define MIXER_CONTROL_CHANGE_FLAG_VOLUME (1<<0)
#define MIXER_CONTROL_CHANGE_FLAG_MUTE (1<<1)
+#define MIXER_CONTROL_CHANGE_FLAG_GAIN (1<<2)
unsigned int change_mask,
const struct mixer_control *control);
};
@@ -60,6 +62,10 @@ void audiomixer_change_volume(struct audiomixer *self,
const struct mixer_control *control,
double volume);
+void audiomixer_change_gain(struct audiomixer *self,
+ const struct mixer_control *control,
+ float gain);
+
void audiomixer_change_mute(struct audiomixer *self,
const struct mixer_control *control,
bool mute);