Re: Quality resampling code for libasound

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At Thu, 22 Feb 2007 22:48:57 +1100,
Jean-Marc Valin wrote:
> 
> > Thanks, now committed to HG tree.
> 
> Good, thanks.
> 
> >> So I'm attaching both a patch for rate_samplerate and a new version of
> >> my resampler plugin (now BSD-licensed). Both seem to work much better
> >> with the numerator and denominator in the right place. I still haven't
> >> changed the code to resolve the symbol conflict, but I'll do that soon.
> > 
> > Regarding the license, LGPL would be suitable especailly if thinking
> > about merging the code to alsa-lib tree later.  Other codes in
> > alsa-lib are all LGPL, so putting a BSD piece isn't fun.  The license 
> > can be changed at merge time, though.
> > Of course, if you prefer BSD, it's fine.  We can keep it as is.
> 
> I don't mind at all relicensing to plugin to LGPL, since it's a part of
> ALSA anyway. The resampler itself is BSD and whenever possible, I'd
> really like to have any patch/fix to it available under the BSD. In any
> case, since any BSD code can be easily integrated into LGPL code, it
> shouldn't be a problem.

Yes.  I'll apply your current version to the HG tree now, then.

> >> Can everyone give this a bit of testing? I hope we can soon get rid of
> >> linear resampling as the default resampling once and for all.
> > 
> > Looks working good as long as I've tested.
> > Could you give a short document for this plugin, too (put in
> > alsa-firmware/doc)?
> 
> What kind of document do you want? I can't find anything about the other
> sample rate converters, so I'm not sure what it should look like.

A brief instruction how to set up would be enough.
See alsa-plugins/doc/samplerate.txt, for example.

Although it's planned to be merged in future, a documentation is
always nice to have :)


thanks,

Takashi

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