[MPlayer-dev-eng] [PATCH] autoq support for control()
Juan J. Sierralta P.
juanjo at atmlab.utfsm.cl
Mon Feb 11 02:16:12 CET 2002
On Sun, 2002-02-10 at 21:29, Michael Niedermayer wrote:
> > Most AAN implementations aren`t IEEE compliant.
> i dont care about IEEE ;)
Just speed.
> btw what does libmp1e use? i dunno but i would guess that its an AAN dct
>
> [...]
> > > imho if u can see a difference between the c & mmx dct than there is a
> > > bug somewhere
> >
> > Not me. The players that have fast IDCT. Like Windows Media Player.
> > If the DCT is inaccurate then the "inaccurate" IDCT will show artifacts and
> > users blame the encoder :(
> hmm, imho its a question between idct differences not dct
> even if the dct is inaccurate, the encoder will use the accurate idct before
> storing the data for motion compensation so i cant imagine how this could
> cause troubble ...
Did you see MPEG files generated by ffmpeg on Windows Media, MTV or
Java Media Studio before your simple idct ? It`s the same problem when
we use a bad DCT.
--
Juanjo sin .sig :(
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