[Ffmpeg-devel] Question about FAQ 1.3

Erik Slagter erik
Sun Dec 25 17:59:21 CET 2005

On Sun, 2005-12-11 at 15:57 +0100, Luca Abeni wrote:
> On Sat, 2005-12-10 at 21:17 +0100, Balatoni Denes wrote:
> [...]
> > Maybe it is referring to the a-v desync that's possible if the soundcard is 
> > not exactly clocked at the nominal sampling rate (eg. 44100 Hz). For one, 
> > MEncoder compensates for this (the video and audio stay in sync although the 
> > audio is faster/slower than in the original).
> If I understand correctly, I think ffmpeg can compensate this drift too,
> by properly resampling the audio to synchronize audio and video. I think
> this is what the async option is for, right?
> Maybe the FAQ entry has been written before async was implemented?

Of course this would better be solved with video4linux2 support, but I
guess I'd better shut up or get to write the code ;-)
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