[pulseaudio-discuss] Re : Effects of Clock Resolution on Pulseaudio

Stanley Cai stanley.w.cai at gmail.com
Thu Jul 31 08:09:57 PDT 2008

On Thu, Jul 31, 2008 at 09:46:52AM -0500, keith preston wrote:
> > Marvell Xscale processor family provides some SSE-like instructions, and
> > others ARM vendor may have different solution on SIMD and vector.
> If you look at
> http://developer.garmin.com/linux/nuvi-8xx-series/
> They actually use the marvell processor and a specific resampler and
> mixer written for the process.
Nice! I will try it definitely.

> > I think
> > a generic ARM implementation is better for open source, as Nick said. On
> > the other hand, it is great to have some plugin interfaces for users to
> > insert their own resampler and mixing functions. The ARM vendor
> > usually provides some optimized functions based on their architecture.
> > So I like the resampler implementation very well, and I could insert my
> > routines to replace the one in PA.
> >
> The resampler is already pluggable, I just think that the mixer should
> also be pluggable.
I expect the feature too. One more optimization (this probably not a
good idea) is to do resampling and mixing in a loop, but PA seperates 
resampler and mixer into sink input and sink.

Stanley Cai
Gtalk: stanley.w.cai at gmail.com
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