Nicolas: Thank you for your help,and can you tell me if my pipeline is right? gnlcomposition (pad-added)-->filesink | |add gnlurisource * n -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/gnonlin-gnlurisource-combine-videos-tp4663016p4663040.html Sent from the GStreamer-devel mailing list archive at Nabble.com.