I'm not sure if alignment property of mpegtsmux is functional. You can also try rndbuffersize min=max=1316 -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/gst-equivalent-off-ffmpeg-pkt-size-for-udpsink-tp4681387p4681391.html Sent from the GStreamer-devel mailing list archive at Nabble.com.