gstreamer-video: Add VideoSeiUserDataUnregisteredMeta
requested to merge jonas.danielsson/gstreamer-rs:jonasdn/video-meta-add-sei-user-data-unregistered into main
GitLab will be down for maintenance Monday June 03, from approx 10am UTC for roughly 48 hours. This is for a major gitlab upgrade which requires a DB migration. See the tracker issue for more informations.