vlc.AudioSetVolumeCb ==================== .. py:class:: vlc.AudioSetVolumeCb Bases: :py:obj:`ctypes.c_void_p` Callback prototype for audio *volume* change. :param data: data pointer as passed to :func:`libvlc_audio_set_callbacks` [IN]. :param volume: software volume (1. = nominal, 0. = mute). :param mute: muted flag. Initialize self. See help(type(self)) for accurate signature.