Hi Markus,
> What I think it means that frame #61269 has to be an I-frame, and there
> should be no other I-frame until frame #61281, which is the next
> I-frame. This seems to be needed in order to remux a MPEG2 video stream
> to a valid DVD structure and to not have sync issues.
Hmmm... the picture kind should make *no difference* to sync. This looks
like one of those doing-x-happens-to-fix-y where x and y aren't really related
issues.
Anyway, where does the "template" requirement come from. Is it something
folk discovered by accident or is it something the IfoEdit author specified.
If the latter I can maybe figure out whats really going on by asking them...
What sync issues arise if you allow variable-size GOPs? What happens if you
simply force mpeg2enc to use a fixed GOP size of 12 (-g 12 -G 12)?
> Definitely true, but I do not author a completely new DVD, but I want
> to remux the the video together with the existing (dts/AC3)
> streams. And with a normal m2v file (produced by either TMPGEnc or
> mpeg2enc) I have stuttering sound.
Hmmm... how very peculiar. Can you send me a short snippet of a muxed
sequence that works and one that doesn't? (1 or 2MB each - enough to hear
the stutter). Sounds like something interesting is going on. What device are
you replaying on?
Andrew
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