[MPlayer-dev-eng] libavcodec/ffodivx bugs?

Daniel Egger degger at fhm.edu
Fri Aug 2 11:22:33 CEST 2002


Am Fre, 2002-08-02 um 01.35 schrieb Michael Niedermayer:

> likely IDCT bug in encoder, but iam not 100% sure, it was still green with the 
> reference double precission IDCT, when i tried some time ago, i should try 
> with all IDCTs to see if any displays it correctly :(

Same here, encoders were FAME, XviD, DivX4, DivX5 so I doubt it is
something with the encoder. The files all worked fine some weeks ago.
I've seen that green before when writing the AltiVec MC stuff and it
happened there when the alignment of the data was slightly off (which
is very easy to get with AltiVec since it discards the last 3 bits of
any memory reference).

<guess>
So maybe libavcodec is passing wrong addresses to the MC.
</guess>
 
-- 
Servus,
       Daniel
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