[FFmpeg-devel] dealing with tables in DV codec
Roman V. Shaposhnik
Sat Sep 13 04:55:52 CEST 2008
On Thu, 2008-09-11 at 19:57 +0200, matthieu castet wrote:
> Michael Niedermayer wrote:
> > On Wed, Sep 10, 2008 at 07:27:13PM -0700, Roman V. Shaposhnik wrote:
> >> On Wed, 2008-09-10 at 23:06 +0200, Michael Niedermayer wrote:
> >>> Divx4-bugs/Lorenna_McKennit-Mummers_Dance-Mononoke_Hime-gabucino.avi
> >>> on samples.mplayerhq.hu is a good one to test idcts.
> >> Do you mean just comparing PSNRs or a more involved test?
> > i meant ffplay -idct 6 file.avi
> > and looking at it
> > for comarission you can look at
> > -idct 2 (no artifacts)
> > -idct 1 (minor atifacts)
> > -idct 4 (major artifacts)
> And just for info the benchmark that were done when the patch was
> commited : http://article.gmane.org/gmane.comp.video.ffmpeg.devel/55962
> It show the idct is a bit slower that mlib (3%), but more accurate.
I see that there are numbers from dct-test, but it seems to me
that it doesn't hook to mlib by default. Am I missing something,
or should I just manually hook it up?
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