somagic-capture -c --sync=1 2>/dev/null | ffmpeg -f rawvideo -pix_fmt uyvy422 -vtag 2vuy -s 720x576 -r 25 -aspect 4:3 -b:v 6000k -vsync 0 -i pipe: -f alsa -acodec pcm_s16le -ac 2 -i default   -y output.mpg