[Ffmpeg-devel] [PATCH] Vorbis sse fix

[Rich Felker]

On Mon, May 30, 2005 at 02:38:13AM +0200, M?ns Rullg?rd wrote:
> Rich Felker <dalias at aerifal.cx> writes:
> 
> > On Sun, May 29, 2005 at 11:51:20PM +0200, Diego Biurrun wrote:
> >> On Sun, May 29, 2005 at 09:34:11PM +0200, Balatoni Denes wrote:
> >> > 
> >> > This patch fixes xmmintrin.h support detection for me (gcc 3.3.6 (Debian 
> >> > 1:3.3.6-5)), and adjusts the vorbis decoder so that buffers are adequately 
> >> > aligned. The decoder - by my estimation - is roughly 10 % faster then the 
> >> > reference implementation on my p4.
> >> 
> >> Are you referring to libvorbis?  I assume yes.
> >> 
> >> Has anybody else benchmarked ffvorbis?
> >
> > I dunno, about tremor is roughly 50% faster than libvorbis, at least
> 
> Last time I tried tremor, it was slower than libvorbis on my Alpha
> machine.
> 
> > with the low-precision mode enabled.
> 
> Are you speaking for low-precision modes?  You're normally the one to
> complain the loudest about bad scaling algorithms and such.

Yes, visual. As for sound, I'm tone-deaf. :)

Rich