[FFmpeg-devel] [PATCH] Altivec version of h264_idct_add

Luca Barbato lu_zero
Sat Jun 2 16:03:49 CEST 2007

David Conrad wrote:
> Hi,
> This is an updated version of ff_h264_idct_add_altivec, based on a patch
> by Mauricio Alvarez [1]. It's 1.9 times faster than the scalar version
> on my G4. Regression tests pass except for seektest, which is currently
> broken for me with vanilla SVN (should it work?)

I'm still having problems with my mail (as in "I'm reading from gmane
the replies), little update:

cell : 1/50 speedup

The ffmpeg seems a bit broken: you have to issue 2 times make in order
to have it rebuild libav* AND ffmpeg/ffplay.

lu ...


Luca Barbato

Gentoo/linux Gentoo/PPC

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