ValidationType RequireOneRecognized TrackTypes vide soun clcp sbtl text text wvtt svtt soun lpcm ima4 aac aach aacl aace aacf aacg aacp paac alac .mp3 ulaw alaw ac-3 pac3 ec-3 pec3 0x6d730002 0x6d730011 0x6d730031 vide hvc1 avc1 mp4v ipb h263 dmb1 jpeg drmi