--sync does not work for VobSub tracks
Original reporter: mbunkus
reported by Liisachan: http://forum.doom9.org/showthread.php? s=&postid=396829#post396829
Edited by Moritz Bunkus
Original reporter: mbunkus
reported by Liisachan: http://forum.doom9.org/showthread.php? s=&postid=396829#post396829