unsafe extern "C" fn audiosrc_read<T: AudioSrcImpl>(
ptr: *mut GstAudioSrc,
data: gpointer,
length: u32,
timestamp: *mut GstClockTime,
) -> u32
unsafe extern "C" fn audiosrc_read<T: AudioSrcImpl>(
ptr: *mut GstAudioSrc,
data: gpointer,
length: u32,
timestamp: *mut GstClockTime,
) -> u32