If we find VPS/SPS/PPS in codec_data and call gst_h266_parse_process_nal
with them, we need to have negotiated before in order to correctly
process them with flags like h266parse->transform set or not depending
on the negotiation. This is important because in certain vvc1/vvi1 streams we
may have correct codec_data but faulty parameter sets in the stream and
we would want to push the parameter sets from codec_data first.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8359>
implement serialization of codec_data containing VvcDecoderConfigurationRecord
as defined in ISO/IEC 14996-15.
The VPS/SPS/PPS NALs are added to the codec_data. APS NALs could be
optionally included as well but will be pushed in-band instead, because:
1. Logic is easier that way. We'd have to filter out for PREFIX_APS only
(SUFFIX_APS aren't allowed in codec_data).
2. APS NALs can also be sent for every non-keyframe slice, and often are, so just pushing
them in-band makes more sense to have less to keep track and avoid possible
duplicates.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8359>
