This avoids accidentally setting it in the middle of a fragment, which could cause havoc in demuxer/parsers Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6610>
This avoids accidentally setting it in the middle of a fragment, which could cause havoc in demuxer/parsers Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6610>