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

Diego Biurrun diego
Sat Jun 2 16:56:02 CEST 2007

On Sat, Jun 02, 2007 at 04:03:49PM +0200, Luca Barbato wrote:
> David Conrad wrote:
> > 
> > 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.

It's called recursive make.  IIRC it might work when you disable vhook.


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