Thanks for your answer Finally I've found an error in a pipe for test-launch, it doen't understand single quotes with address=\"127.0.0.1\" it works -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/custom-h264-stream-tp4677500p4677505.html Sent from the GStreamer-devel mailing list archive at Nabble.com.