[Speex-dev] Speex for TI 5509 DSP

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Thu Mar 3 06:57:07 PST 2005

Hi Jamey,

Something's wrong with your patch. It's 146387 lines long(!!) and
includes the content of many files that weren't touched. Do you have
anything smaller that would include only the changes you made?


Le jeudi 03 mars 2005 à 08:13 -0500, Jamey Hicks a écrit :
> Paul Gryting wrote:
> >I saw a thread in the list archives about a speex port to  TI 55x DSP.
> >Wondering how that worked out (is working out)?
> >
> >Also wondering if there is a source archive for it,
> >  or if the patch in the email archives is still current, or if there's been
> >updates.
> >
> >  
> >
> My patch to provide fixed-point support for Speex on the TI 55xx DSP is 
> available here:
>   http://handhelds.org/~jamey/speex/speex-1.1.6-jeh2.patch
> The issue with codebooks that Jean-Marc mentioned is that the TI 55xx C 
> compiler uses two bytes per char, so codebooks take more memory than 
> they need to.  The whole compress/decompress fit in SRAM, though, so it 
> probably runs faster this way and consumes less power.  I did update 
> speex_bits to use all the bits in 2 byte chars.
> If I remember correctly, that patch also enables Speex fixed-point on 
> Analog Devices Blackfin DSP.
> Hope this is helpful.  Let me know if you find any issues with the 
> patch.  I've been working on things lower in the food chain lately so I 
> have not had a chance to update it.
> Jamey
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Jean-Marc Valin <Jean-Marc.Valin at USherbrooke.ca>
Université de Sherbrooke

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