[Speex-dev] Is real-time encoding possible with ARM7 @ 66mHz?

[Jean-Marc Valin]

Hi Scot,

I think the answer depends on the actual core you have, since I have
noticed huge variability in timings, even among V4 cores. I suggest you
try the code in SVN and use complexity 0. The code in SVN has inline
assembly for the V4 architecture as well as many optimizations. Let me
know what you obtain.

	Jean-Marc

P.S. The least complex mode is 6 kbps, followed by 8 kbps.

Le mardi 15 février 2005 à 17:07 -0600, Scot Robertson a écrit :
> Hi,
> 
>  
> 
> I have the encoder running on an ARM7 at 66mHz and it takes about
> 2-times real-time to encode a monophonic pcm file.  Both quality and
> complexity are set to 3.
> 
> I am using the ADS 1.2 tool-chain which seems to optimize C pretty
> well.  I cannot use the inline ARM assy code because the operations
> used are only available for the V5 and up core.
> 
> I would be grateful for any thoughts or suggestions.
> 
>  
> 
> Thanks,
> 
>  
> 
> Scot R
> 
>  
> 
>  
> 
> 
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-- 
Jean-Marc Valin <Jean-Marc.Valin at USherbrooke.ca>
Universite de Sherbrooke