[Ffmpeg-cvslog] CVS: ffmpeg/libavcodec vp3.c,1.64,1.65

Michael Niedermayer michaelni
Sat May 21 13:02:01 CEST 2005


On Saturday 21 May 2005 12:03, Diego Biurrun wrote:
> On Sat, May 21, 2005 at 09:35:17AM +0200, Michael Niedermayer CVS wrote:
> > Modified Files:
> > 	vp3.c
> > Log Message:
> > disable broken loop filter optimization
> > melanson please test your optimizations before commiting!
> I cannot see any artifacts on my samples, 

i can, and the md5 of the output changes which is what matters, the md5 must 
not change due to optimizations unless its fully understood why
if this rule is ignored you quickly end up with a deeply broken mess which is 
very hard to debug and fix

> but performance actually seems 
> to go down with the optimizations enabled...

you mean with this one too? the unconditional change to decoding all 3 planes 
at once instead of sequantially even if the user app doesnt support slices 
did already reduce the speed ...


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