[MPlayer-dev-eng] another libavcodec bug ...
michaelni at gmx.at
Tue Jan 1 14:08:26 CET 2002
On Tuesday 01 January 2002 05:31, Arpi wrote:
> > > i just found a file which shows some artefacts on the left edge of the
> > > image mostly on the bottom 50% (occures several times in the first
> > > 2min) divx4 & divx3 are ok
> > >
> > > iam uploading it to incoming/left_edge_artifacts_in_ffmpeg.avi
> > [...]
> > fixed :) but the fix doesnt make much sense to me :(
> > the fix simply deactivates the ac prediction for the leftmost middle
> > blocks 1 lumi 2 chromi
> uhh. it looks more like hotfix workaround than fix :)
> doe sit work with all files, or only fix this one?
i found one which shows some artefacts with the hotfix (and none without)
> btw, ac prediction seems to by buggy for other files too, for example that
> weird_al asf. mayeb some undiscovered tricks of divx fornat...
are u sure its ac, ... flat green looks more dc to me
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