unsafe extern "C" fn audio_decoder_src_event<T: AudioDecoderImpl>(
ptr: *mut GstAudioDecoder,
event: *mut GstEvent,
) -> gboolean
unsafe extern "C" fn audio_decoder_src_event<T: AudioDecoderImpl>(
ptr: *mut GstAudioDecoder,
event: *mut GstEvent,
) -> gboolean