On Thu, 24 Mar 2005, Florin Andrei wrote:
> I started to increase the -O parameter, since with the difference
> indicated by tcprobe, the audio in the generated VOB was too early.
> Well, no matter how much i increase -O, it does not get in sync. I used
> ridiculous values ("-O 1000ms" while the original indicated difference
>
> It seems like mplex can only handle differences up to a certain value
> (around 200ms or so), after which it will not create a correct file. Yet...
I think the Real Problem is that you're using an old version of
mplex - that problem was discussed a long time ago (a year? gosh -
where'd the time go ;)).
If the problem still exists in the cvs version then it wasn't fixed -
but I vaguely recall changes in mplex a year or so ago.
When recoding DVDs I wonder if you're encountering rate changes in
the original - would a DVD switching between 30 and 24 (with 3:2
pulldown) introduce A/V sync issues? That's what I ran into when
the times I've tried to reprocess (via a decode/encode cycle) a DVD.
IF that's the case then it's not mplex that's causing the problem but
the earlier steps in the pipeline and no amount of offset with mplex
can restore A/V sync.
Cheers,
Steven Schultz
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