Fix a potential segfault if we receive a ISO-FF stream with moof before moov. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2676>
Fix a potential segfault if we receive a ISO-FF stream with moof before moov. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2676>