[MPlayer-users] A/V sync with two-stage encoding
D Richard Felker III
dalias at aerifal.cx
Fri Apr 30 19:47:07 CEST 2004
On Fri, Apr 30, 2004 at 06:20:47PM +0100, Ian Smith wrote:
> Ian Smith wrote, on 29/04/04 20:19:
> >also tried using abr for the audio just in case. Whatever I try there
> >seems to be a small initial A/V offset, which increases gradually with
> >Bearing in mind what I said about using MPEG as source, I can only
> >assume that there is some effect at play that causes mencoder to
> >misbehave in this way when fed with it's own output?
> >If anyone can think of any other tests I can do, please let me know.
> Just reconfirmed similar effect with libavcodec mpeg4 vqscale=2 as the
> Has anyone succesfully done anything similar to this? Any clues
> gratefully accepted.
Are you seeing skipped or duplicate frames? If so, that's a definite
sign of problem. Try adding -mc 0 to the command line. It disables the
brain damaged A/V sync "repair" code in mencoder and only uses basic
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