pub unsafe extern "C" fn gst_audio_encoder_finish_frame(
enc: *mut GstAudioEncoder,
buffer: *mut GstBuffer,
samples: c_int,
) -> GstFlowReturn
pub unsafe extern "C" fn gst_audio_encoder_finish_frame(
enc: *mut GstAudioEncoder,
buffer: *mut GstBuffer,
samples: c_int,
) -> GstFlowReturn