#!/bin/sh gst-launch-1.0 -vm \ videotestsrc pattern=smpte !\ video/x-raw,format=I420,width=1280,height=720,framerate=25/1,pixel-aspect-ratio=1/1 ! \ timeoverlay valignment=bottom ! \ mux. \ \ audiotestsrc freq=440 !\ audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000 !\ mux. \ \ matroskamux name=mux !\ tcpclientsrc host=localhost port=10000