pub unsafe extern "C" fn gst_buffer_add_video_hdr_meta(
buffer: *mut GstBuffer,
format: GstVideoHDRFormat,
data: *const u8,
size: size_t,
) -> *mut GstVideoHDRMetapub unsafe extern "C" fn gst_buffer_add_video_hdr_meta(
buffer: *mut GstBuffer,
format: GstVideoHDRFormat,
data: *const u8,
size: size_t,
) -> *mut GstVideoHDRMeta