[nas] native alsa bottom-end

Paul Fox pgf at foxharp.boston.ma.us
Fri May 12 15:49:41 MDT 2006

has anyone ever looked into writing a native alsa dda layer
for nasd?  

mostly the oss compatibility stuff in alsa makes this
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.

anyway, i find myself wishing that an entire layer of complexity
(i.e., alsa's oss emulation) would sort of go away right about
now.  :-)

given the size of the existing hp/sgi/sun/oss modules, it doesn't
seem like an alsalib-based module should be difficult.  in
a first scan, though, i didn't see any doc that documents the api
at that layer.  does such a doc exist?

 paul fox, pgf at foxharp.boston.ma.us (arlington, ma, where it's 47.5 degrees)

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