Thank you for the answer, it seems to be very useful. I have some problem to understand how the tags can be used, can you share the example to understand how it works. -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/video-with-custom-data-tp4677401p4677504.html Sent from the GStreamer-devel mailing list archive at Nabble.com.