[FFmpeg-devel] [PATCH] split-radix FFT

matthieu castet castet.matthieu
Tue Aug 5 22:51:11 CEST 2008

Siarhei Siamashka wrote:
> On Tue, Aug 5, 2008 at 9:10 PM, M?ns Rullg?rd wrote:
>> matthieu castet <castet.matthieu at free.fr> writes:

> Generally the source of ARM11 floating point slowness rumors are the
> blogs like this:
> http://etrunko.blogspot.com/2008/05/ogg-support-on-canola2.html
> They typically compare libvorbis performance with tremor, get much
> better results with tremor and make a conclusion that the difference
> is caused by slow floating point hardware. But they don't take into
> account that libvorbis itself is slow (on x86 too). I benchmarked
> ffvorbis vs. tremor in MPlayer on ARM11 and even in its current state,
> ffvorbis was slightly faster (that was before the recent ffvorbis
> performance optimizations done by Loren Merritt).
Did you tried tremolo (http://wss.co.uk/pinknoise/tremolo/index.html) ?


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