mplayer dvd://2 -dvd-device /dev/sr0 \
 -dumpstream -dumpfile '/media/driveb/Cinema/Mikhalkov/Urga(1991)/dvd.vob'
ffmpeg -i '/media/driveb/Cinema/Mikhalkov/Urga(1991)/dvd.vob' -an -c:v libvpx-vp9 -b:v 1700k -minrate 700k -maxrate 3000k -tile-columns 1 -g 240 -threads 4 \
 -quality good -crf 20 -pass 1 -speed 4 \
 -f null /dev/null -pass 1 -f null /dev/null
ffmpeg \
 -analyzeduration 700M -probesize 700M -i '/media/driveb/Cinema/Mikhalkov/Urga(1991)/dvd.vob'\
 -map 0:v:0 -map 0:i:0x80 -map 0:i:0x81\
 -map 0:i:0x20 \
 -metadata:s:a:0 language=fra -metadata:s:a:0 title="Francais - Stéréo" -metadata:s:a:1 language=rus -metadata:s:a:1 title="Russian - Stéréo"\
 -metadata:s:s:0 language=fra -metadata:s:s:0 title="Francais" \
 -c:a libvorbis -c:v libvpx-vp9 -b:v 1700k -minrate 700k -maxrate 3000k -tile-columns 1 -g 240 -threads 4 \
 -quality good -crf 20 -pass 2 -speed 1 -c:s copy \
 URGA.mkv