Re: [OT] ALSA userspace API complexity

[Hannu Savolainen]

On Thu, 5 Jan 2006, Lee Revell wrote:

> On Fri, 2006-01-06 at 01:06 +0200, Hannu Savolainen wrote:
> > We have not received any single bug report that is caused 
> > by the concept of kernel mixing.
> > Kernel mixing is not rocket science. All you need to do is picking a 
> > sample from the output buffers of each of the applications, sum them 
> > together (with some volume scaling) and feed the result to the
> > physical 
> > device. 
> 
> Hey, interesting, this is exactly what dmix does in userspace.  And we
> have not seen any bug reports caused by the concept of userspace mixing
> (just implementation bugs like any piece of software).
Having dmix working in user space doesn't prove that kernel level mixing 
is evil. This was the original topic.

Best regards,

Hannu
-----
Hannu Savolainen (hannu@xxxxxxxxxxxxx)
http://www.opensound.com (Open Sound System (OSS))
http://www.compusonic.fi (Finnish OSS pages)
OH2GLH QTH: Karkkila, Finland LOC: KP20CM
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