f34ee92999
See docs: https://gstreamer.freedesktop.org/documentation/additional/design/seqnums.html?gi-language=c#seqnums-sequence-numbers Per docs: When a sink element receives an EOS event and creates a new EOS message to post, it should copy the seqnum from the event to the message because the EOS message is a consequence of the EOS event being received. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2588>