1 files changed, 11 insertions, 0 deletions
diff --git a/src/audioio.h b/src/audioio.h
index e78813b..5f62e27 100644
--- a/src/audioio.h
+++ b/src/audioio.h
@@ -46,6 +46,7 @@ extern "C" {
 #define COULD_NOT_OPEN_DEVICE      -110
 #define INVALID_MIXER_LEVEL        -111
 #define NO_SUCH_ENUM               -112
+#define NO_SUCH_CHANNEL            -113
 
 struct aio_t;
 
@@ -186,6 +187,16 @@ int aio_set_enum_value(struct aio_t *handle,
                        const char *name, const char *value);
 
 /**
+ * Set mute state of a named channel.
+ */
+int aio_set_mute(struct aio_t *handle, const char *name, int muted);
+
+/**
+ * Get mute state of a named channel.
+ */
+int aio_get_mute(struct aio_t *handle, const char *name, int *muted);
+
+/**
  * Get actual samplerate.
  * The samplerate set in ai_init may or may not match a possible samplerate for
  * the audio hardware and therefore the ALSA library might decide to use another