[Ffmpeg-devel] [REQUEST] MMX/MMX2 and SSE optimizations for H.264 decoding

Martin Boehme boehme
Thu Sep 15 15:01:10 CEST 2005

Marcus Hunger wrote:
> Am 15 Sep 2005 um 14:06 hat Martin Boehme geschrieben:
>>Reimar D??ffinger wrote:
>>>I know you can't trust it too much, but last time I checked oprofile
>>>indicated a lot of time is spent in some more general "parsing" and
>>>comparisons that can't be easily converted to e.g. MMX...
>>>So yes, if somebody knows a code part that could still really benefit from
>>>e.g. MMX please say so, because I didn't see any.
>>And if FFmpeg is faster than Nero, that would also seem to indicate that 
>>there probably isn't too much "low-hanging fruit"...
> I visited the Frauenhofer I. booth at the ibc and they showed off with their h264 decoder 
> (running on a pocket pc)  telling me it would be much faster than ffmpeg's. So I guess 
> there is room for optimization.

On a Pocket PC? 8-o This was probably a relatively low resolution, 
though, right?


Martin B?hme
Inst. f. Neuro- and Bioinformatics
Ratzeburger Allee 160, D-23538 Luebeck
Phone: +49 451 500 5514
Fax:   +49 451 500 5502
boehme at inb.uni-luebeck.de

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