I've just tried 'fdsrc do-timestamp=true' but it isn't working neither... -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/mp4-by-mp4mux-plays-too-fast-and-is-not-seekable-tp4682115p4682125.html Sent from the GStreamer-devel mailing list archive at Nabble.com.