[MPlayer-users] rebuilding index introduces a seeking problem

D Richard Felker III dalias at aerifal.cx
Mon May 19 09:53:01 CEST 2003

On Tue, May 20, 2003 at 01:30:03AM +0300, Joonas Koivunen wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> hey there,
> i just recently acquired dvl-animatrix.avi, which is encoded with XVID (judged 
> by the fourcc) with mp3 audio. i thought i heard some progressive audio 
> desync, getting stronger in the end of the film so i wanted to play it with 
> mplayers index. with the original index, seeking works well (seeks to 
> keyframe) but with the mplayer index it seeks to somewhere else, and it takes 
> 1-15 seconds for the messynes go away. i've had this problem with other xvid 
> and divx encoded videos too.
> i remember reading somewhere that xvid supports variable keyframe intervals, 
> so could this be the cause? should mplayer/mencoder be able to put up a index 
> for this sort of a video stream?

Nope, codec has absolutely nothing to do with a/v sync. It's just a
matter of the muxer, which is in turn a matter of the program (not
codec) used to make the file.


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