Tim, Thank you for that additional information. Now I know "why" the leaky queue caused problems. -Andres -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/the-humble-videotestsrc-element-is-magical-tp4678965p4679001.html Sent from the GStreamer-devel mailing list archive at Nabble.com.