The decoder does not work with arbitrary alignment and annexb stream format and the encoder can give the information that it outputs obu-stream/tu to downstream. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3862>
cerbero does not build this plugin for now, and there's altanative dav1ddec Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3287>