pub unsafe extern "C" fn gst_buffer_add_video_dsc_initialization_meta(
buffer: *mut GstBuffer,
dsc_initialization: *const GstH274DigitallySignedContentInitialization,
) -> *mut GstVideoDSCInitializationMetapub unsafe extern "C" fn gst_buffer_add_video_dsc_initialization_meta(
buffer: *mut GstBuffer,
dsc_initialization: *const GstH274DigitallySignedContentInitialization,
) -> *mut GstVideoDSCInitializationMeta