[MPlayer-dev-eng] [PATCH] Fix av sync calculations during lagging video

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Wed Apr 5 20:59:36 CEST 2006


Hi,
On Wed, Apr 05, 2006 at 06:06:46PM +0300, Uoti Urpala wrote:
> If video is lagging behind audio for performance reasons, the av sync
> code will incorrectly keep moving video timing forward to "compensate"
> for the lagging video (even though the video is not behind because of
> late timing but because it can't meet the current time target). As a
> result, if the performance problem goes away, the video will now jump
> ahead of audio until the timing gets gradually corrected back. The
> problem does not occur in autosync mode.

I cannot comment on the patch itself, but I can say that I personally
have experienced the problem it describes, and it is quite bad IMHO
(though I can't completely exclude that it is supposed to behave like
that)...

Greetings,
Reimar Döffinger




More information about the MPlayer-dev-eng mailing list