server avconv -f x11grab -r 25 -s 1920x1200 -i :0.0 -vcodec libx264 -tune zerolatency -f mpegts udp://127.0.0.1:1234 client mplayer -benchmark udp://127.0.0.1:1234 notes strange artefacts with mplayer2 and avplay latency is about 200ms on loopback