[maemo-developers] [maemo-developers] Unresolved issues (Week 46)

[From: Simon Pickering]

> 
> > If you want something free, I'd suggest using our speex 
> codec, which 
> > is technically comparable, completely open, and has no known patent 
> > issues. We don't have an omap dsp implementation, but it has been 
> > ported to the various TI DSPs.
> >
> > http://speex.org/
> >
> > -r
> 
> I did quite a bit of experimentation with the 770 dsp back in late
> august.   As a point of clarification, the dsp in the OMAP 1710 (used
> in the 770) is just a TI *C55x, *which is already supported by speex
> as far as I can tell.    Thus, getting speex to work on the 770 should
> mostly be an issue of adapting the he exisiting speex C55x 
> port to the build process using the free dsp tools, or TI's 
> code composer; and writing appropriate wrappers to move data 
> back and forth across the
> ARM to DSP boundary using the linux dsp gateway interfaces.     
> 

There's still the problem of getting the DSP to output sound directly
though, is there not? Or did you work out what the functions in the
avs_kernel do (or bypass them completely)?


Simon