dtach -A /tmp/mplayer.sock \
mplayer dvd://2 -dvd-device /dev/sr0 \
 -dumpstream -dumpfile /tmp/dvd2.vob
dtach -A /tmp/ffmpeg.sock \
ffmpeg \
 -analyzeduration 200M -probesize 200M -i /tmp/dvd2.vob\
 -map 0:v:0 -map 0:i:0x80\
 -map 0:i:0x20 \
 -metadata:s:a:0 language=fra -metadata:s:a:0 title="Francais - Stéréo"\
 -metadata:s:s:0 language=nld -metadata:s:s:0 title="Nederlands" \
 -c:a copy -c:v libx264 -c:s copy \
 CEST_ARRIVE_PRES_DE_CHEZ_VOUS.mkv