VLC_EXPORT( int, __aout_VolumeDown, ( vlc_object_t *, int, audio_volume_t * ) );
#define aout_ToggleMute(a, b) __aout_ToggleMute(VLC_OBJECT(a), b)
VLC_EXPORT( int, __aout_ToggleMute, ( vlc_object_t *, audio_volume_t * ) );
+VLC_EXPORT( int, aout_SetMute, ( vlc_object_t *, audio_volume_t *, bool ) );
+VLC_EXPORT( bool, aout_IsMuted, ( vlc_object_t * ) );
VLC_EXPORT( int, aout_FindAndRestart, ( vlc_object_t *, const char *, vlc_value_t, vlc_value_t, void * ) );
VLC_EXPORT( int, aout_ChannelsRestart, ( vlc_object_t *, const char *, vlc_value_t, vlc_value_t, void * ) );