[nas] native alsa bottom-end
pgf at foxharp.boston.ma.us
Sat May 13 09:46:47 MDT 2006
> On Fri, 12 May 2006, Paul Fox wrote:
> > unnecessary, but currently i'm having a very odd problem where i
> > can play sounds via nasd just fine, but can't control the volume.
> > i swear it used to work -- perhaps it broke in some apt-get that
> > i did. i dunno. (this is on a debian "testing" system.)
> > if i run aumix (an oss mixer) and alsamixer at the same time,
> > each affects the other. but if i run a remote mixer, nasd gets
> > the messages, and perhaps does something with them, but they
> > seem to have no effect.
> I am not sure what you mean by a remote mixer... I use xmms
> alot and the alsamixergui app. I notice that when I adjust
> the volume in xmms, the PCM volume in alsamixer is adjusted,
> as it should be.
sorry -- i meant, a mixer working via the nas interface. specifically,
auctl. i.e. i have three mixers operating on top of alsa drivers:
alsamixer (alsa native)
aumix (oss compatibility mode on alsa)
auctl --> nasd (oss compatibility mode on alsa)
the first two work, the third one doesn't.
> > given the size of the existing hp/sgi/sun/oss modules, it doesn't
> > seem like an alsalib-based module should be difficult. in
> I am not familiar with the alsa interface, but I image a
> 'basic' stereo driver would not be too difficult (he says
> > a first scan, though, i didn't see any doc that documents the api
> > at that layer. does such a doc exist?
> Alas no... When I worked on the HP driver, I used the others
> as a template.
paul fox, pgf at foxharp.boston.ma.us (arlington, ma, where it's 45.5 degrees)
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