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Sorry about the long-winded title here, but I thought that this may be of help to some folks authoring hybrid DVD-A discs.
VIDEO_TS Restrictions for Video Links
When a VIDEO_TS is used for a Video, the following restrictions should be observed for the contents of the VIDEO_TS:
VMG (Video Manager)
The Video Manager is used when the disc is played in a DVD-Video player. The following VMG restrictions should be observed:
? No Region Management.
? No Parental Management.
? Text Data Manager should not be specified.
VTS (Video Title Set)
VTS titles shall be linked from the DVD-Audio playlist.
A Video Title may be specified in conjunction with an Audio Title for a playlist item. In this case, the Video Title will be played on video-capable players, and the Audio Title will be played on audio-only players (e.g. portable or car players).
If only a Video Title is specified for a playlist item, the title will only be accessible from a video-capable player.
The Video Title (and VTS to which it belongs) should observe the following restrictions:
? A Title shall consist of one Program Chain (PGC), and should not be a PGC Block. The Title shall be set for Sequential playback.
? Pre-Command, Post-Command, and Cell-Command shall not be specified, except for the ?CallSS from TT_DOM (title domain) to VMGM_DOM (vmg domain)? in the Post-Command area. This command will only used by DVD-Video players, and ignored by DVD-Audio players.
? Availability control of User Operations, Audio Streams, and Sub-picture Streams should not be specified. These features will always be available.
? Cell Stills and VOBU Stills shall not be defined.
? Number of audio streams shall be 1 or 2, with one stream being Linear PCM or AC-3 (if playlist title only consists of Video Title).
? Cell blocks (e.g. different Angles) may be specified if the playlist title consists of only the Video Title.
? Some Button Commands are restricted. The available commands for a Video Title are LinkPGCN, LinkCN, LinkSIns(PG, C), COMP_LinkPGN, COMP_LinkCN, COMP_LinkSIns(PG, C), SetSTN, Set, COMP_SetSTN, SetSTN_LinkPGN, SetSTN_LinkCN, SetSTN_LinkSIns(PG, C), Set_LinkPGN, Set_LinkCN, Set_LinkSIns(PG, C)
? The Navigation Timer should not be used.
Any questions.....
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