[nSLUG] ffmpeg sync issues
ian at slu.ms
Tue Nov 13 01:39:02 AST 2007
On Sun, Nov 11, 2007 at 10:06:57AM -0400, Herb wrote:
> Anyone here having issues with video falling out of sync when using
> ffmpeg? There is evidence of it on various groups, but no one is
> offering up any possible reasons or solutions.
> I'm trying to build a dvd of short clips from various sources, some of
> which I'm editing in kino before exporting as a vob. Export from kino
> works fine but converting to dv, or any other format, using ffmpeg
> drops the video out of sync.
It may depend on what kind of mangling you or ffmpeg are doing to the
video. Deinterlacing or IVTC can cause synching problems depending on
how they're done... should only happen if the framerate changes, but
I'm sure there are other possible causes.
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