[vorbis-dev] Re: Optimizing Vorbis for a DSP

Adam D. Moss adam at gimp.org
Fri Apr 9 09:58:09 PDT 2004



Adam D. Moss wrote:
>> Here is maybe a patch of the code. Should include both optimized TI
>> assembler and reference c code. Patch available at:
>> http://www.sandvall.nu/patch
> 
> Anyone been able to take a look at this patch?  I haven't had an
> opportunity yet, myself...

Well, now I have.  :)  I used the C version.  Unfortunately
the results were not too pleasing -- the output sounded somewhat
heavily distorted and (for some strange reason... massive lookup
tables?) the binary footprint of lowmem-branch Tremor on x86 with
this patch is around 100K (!) larger.

Regards,
--Adam

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