Adding a method to allow linking already parsed slice header with parser's own sps/pps Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8673>
Adding a method to allow linking already parsed slice header with parser's own sps/pps Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8673>