[MPlayer-users] A/V sync problem when appending AVIs

[Matthias Czapla]

On Fri, Feb 06, 2004 at 09:18:22AM +0100, Daniele Forghieri wrote:
> Matthias Czapla wrote:
> >I have created three AVI files with (for each one)
> >[...]
> >Each one plays fine as usual, but when appending them via
> >cat 1.avi 2.avi 3.avi | mencoder -noidx -oac copy -ovc copy -o bla.avi -
> >I get A/V desyncronized after the point where the second file starts. 
>
> mp3 uses packet of sound of, say, 250 millisec.
> In any file you have a certain number of complete packet.
> If the length of the video file is not exactly a multiple of the packet 
> size (in millisec) you' ve got an A/V desync in the second (and 
> successive) files.
> [...]
> To avoid the problem I encode the audio in PCM and, after you cat the 
> files, convert in mp3

Yes, it worked! Thank you very much :)

Regards
Matthias