#!/bin/sh gst-launch-1.0 \ videotestsrc pattern=ball foreground-color=0x0000ff00 background-color=0x00004400 !\ video/x-raw,format=I420,width=1920,height=1080,framerate=25/1,pixel-aspect-ratio=1/1 !\ mux. \ \ audiotestsrc freq=550 !\ audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000 !\ mux. \ \ matroskamux name=mux !\ tcpclientsink host=localhost port=10001