[FFmpeg-cvslog] r18273 - trunk/libavcodec/dctref.c

Michael Niedermayer michaelni
Wed Apr 1 19:41:37 CEST 2009


On Wed, Apr 01, 2009 at 12:57:37AM +0100, M?ns Rullg?rd wrote:
> diego <subversion at mplayerhq.hu> writes:
> 
> > Author: diego
> > Date: Tue Mar 31 17:48:47 2009
> > New Revision: 18273
> >
> > Log:
> > Replacement reference DCT implementation.
> > patch by Dylan Yudaken, dyudaken gmail com
> 
> Now that this is in, would it be useful to include it in the normal
> build along with the other DCT variants?

for DCT yes maybe, for IDCT i would prefer not to because IDCT errors
can accumulate and to decode a file encoded with this IDCT it might become
needed to have a decoder with identical IDCT (which with double and x86
extended internal precission) may be less than funny ...

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.
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