pub unsafe extern "C" fn gst_buffer_add_video_time_code_meta(
buffer: *mut GstBuffer,
tc: *const GstVideoTimeCode,
) -> *mut GstVideoTimeCodeMeta
pub unsafe extern "C" fn gst_buffer_add_video_time_code_meta(
buffer: *mut GstBuffer,
tc: *const GstVideoTimeCode,
) -> *mut GstVideoTimeCodeMeta