[ANNOUNCE] New Mixer Handling in PA 0.9.16/F12

[Dr. Diesel]

On Wed, Jul 29, 2009 at 5:33 AM, Michal Hlavinka <mhlavink at redhat.com>wrote:

> > This reminds me your note:
> >
> >
> >
> https://tango.0pointer.de/pipermail/pulseaudio-discuss/2009-July/004519.htm
> >l
> >
> >     PA does not make use of hardware mixing. And I don't plan to change
> >     that. It's obsolete technology. CPUs these days come with extensions
> >     such as MMX or SSE precisely for speeding up DSP tasks such as PCM
> >     mixing. This is way more flexible that hw mixing, and definitely the
> >     way to the future, both on the desktop and on embedded envs as well.
> >
> >
> > The "obsolete technology" -- who made this decision? Is it your private
> > opinion or any suggestion from sound card manufacturers?
> >
> > It seems that HW companies still produce the "obsolete technology".
>
> First, I like pulseaudio, especially the ability of moving streams from one
> sink to another is awesome for laptops with external sound card :o)
>
> But imo hw mixer (or other hw parts) are not that bad... we still have hw
> accelerated graphic, math,... why not sound? Also this remains me that
> pulseaudio eats 24 % of my (1.6GHz) cpu when mapping stereo stream to 5.1
> which (I suppose) some hw mixer could do while letting cpu free for other
> tasks.


Absolutely... IMO Pulseaudio needs some serious justification for its
direction.

-- 
projecthuh.com
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