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Old 2nd March 2014, 11:57   #1  |  Link
alexVS
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DVD-lab (chapters, and video stream problem)

I worked with DVD-lab for a long time, but just found out some strange problem. During import of chapters, some of them were missing on DVD-lab timeline.

I imported frame numbers, that I took from m2v-video file using VirtualDudMod. I took only I-frames.

Before that I made m2v in Womble Mpeg Video Wizard, joining small 10-minutes fragments one-by-one into large file.

It looks like in junction points GOP structure is incorrect.
For example:
End of clip 1: .......IBBPBBPBBPBBPBBII
Begin of clip 2: BBIBBIBBPBBPBBP........
End of clip 2: ...........PBBPBBIBBPBI
Begin of clip3: BBIBBPBBPBBPBBIBBP..........

Does it mean that Womble Mpeg Video Wizard produces incorrect MPEG2 video stream in joining points or is there a problem in DVD-lab, placing chapters in such stream?
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Old 2nd March 2014, 18:58   #2  |  Link
Emulgator
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Both may be the case. Can not speak about Womble.
On Import DVDlab will omit some chapters it finds not trustworthy.
I use to insert/correct these by hand anyway.
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