[alsa-devel] [Alsa-devel] Quality resampling code for libasound

Takashi Iwai tiwai at suse.de
Mon Mar 26 12:36:57 CEST 2007

At Mon, 26 Mar 2007 19:53:34 +1000,
Jean-Marc Valin wrote:
> > Hmm, from where comes this "5 lines" rule?  Usually you need to put
> > whole sentenses to the code you release under GPL such as below:
> From me -- I don't particularly like having huge headers at the
> beginning of every file.

Me too personally, but I'm afraid it's almost mandatory to have it
all.  If you find a shorter version with legally validity, please let
us know.

> >> No more plans to have the resampler in alsa-lib?
> > 
> > No merge unless we agree with all issues, of course.
> > Otherwise someone might blame later.
> So what are the issues left?

See my previous post.

> >>> Actually, any optimization would be interesting for us, too.
> >> Good. Actually, if you know anyone good at SSE code, I'm interested :-)
> > 
> > Actually, I'm not sure whether SSE would be much helpful for fixed
> > point integer operations.  But, perhaps you may know better :)
> I've been considering SSE for the float version, not the fixed point. On
> any new PC, floating-point is now much faster than fixed-point anyway.

Agreed.  I just thought that fixed-point is used as default in your
resampler code but it seems wrong.


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