Alsa question

Janina Sajka janina at rednote.net
Mon Aug 15 15:59:21 EDT 2005


Hi Again, Hynek:

Yes, my statement was presupposing that the mix would have to be
software based.

Hynek Hanke writes:
> On Mon, Aug 15, 2005 at 09:37:14AM -0400, Janina Sajka wrote:
> > alsa only emmulates oss.
> > Since oss only supports one sound source at a time, alsa can't fix that
> > behavior by emmulating what oss does and how it behaves.
> 
> I don't think so. On soundcards able to play multiple streams at once, it's
> possible to open /dev/dsp multiple times even with OSS. So if the emulation is
> done correctly, and it operates over dmix, it should be possible to open
> /dev/dsp by more applications.
> 
> Actually I've read in some dmix how-to this is supposed to work.
> 
> But I'm also a little puzzled with the magic of /etc/asound.conf and with what
> it's supposed to contain to make dmix and oss emulation work (and the last step,
> make them work together).
> 
> I would recommend asking on alsa-users at alsa-project.org.
> 
> With regards,
> Hynek Hanke
> 
> 
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Janina Sajka				Phone: +1.202.494.7040
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