hi i've tried a video .mkv with mplayer and i couldn't see the subtitle the error is "[mkv] Subtitle type 'S_TEXT/ASS' is not supported. Track will not be displayed " could you please tell me what must i do? because normaly "S_TEXT/ASS'" is supported http://www.bunkus.org/videotools/mkvtoolnix/doc/mkvextract.html thank in advance.