Thanks. Forcing pixel-aspect-ratio downstream doesn't seem to help I have filed a bug at https://bugzilla.gnome.org/show_bug.cgi?id=777475 -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Issue-in-compositor-element-tp4681530p4681550.html Sent from the GStreamer-devel mailing list archive at Nabble.com.