output_selector----->mp4mux linking is not possible. Mp4mux does not take raw inputs. Add any video encoder in between.. ~ Sudhir -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Recording-and-taking-picture-from-a-webcam-tp4669732p4669814.html Sent from the GStreamer-devel mailing list archive at Nabble.com.