gst-launch-1.0 -e filesrc location={FROM.mp4} ! qtdemux name=demux mpegtsmux name=mux ! filesink location=/{TO.ts} demux.video_0 ! h264parse ! queue ! mux. demux.audio_0 ! queue ! mux. Works for me. -- Sent from: http://gstreamer-devel.966125.n4.nabble.com/