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Re: Multiple accesses to /dev/dsp



I knew about Esound, but I need something that:
 - Split input (microphone, etc) to multiple processes
 - Works with existing programs (eg. Quake)

This is probably a wishlist item for ALSA, but I was wondering if anyone
already knew on a *kernel* patch that does the mixing at the /dev/dsp
level.

On Wed, Oct 13, 1999 at 01:30:23AM -0500, John Foster wrote:
> Rob Mahurin wrote:
> > 
> > On Tue, Oct 12, 1999 at 07:21:06PM -0600, Dwayne C . Litzenberger wrote:
> > > Anyone know of a kernel patch that basically lets any number of processes
> > > open /dev/dsp any number of times?
> > >
> > > Basically, a microphone splitter and a speaker mixer in one?  I know this
> > > would take CPU time, but I'd like to be able to play a RealAudio stream,
> > > while hearing the superfluous sounds of KDE, while talking to a friend via
> > > SpeakFreely.
> > >
> > > I know it should be possible, but I've never seen it done.
> > >
> > 
> > I've heard that esound or something like that (from enlightenment) can
> > do that, but I've not played with it myself.  Anybody else?
> > 
> > Rob
> ---------------------------------------------------------
> I use OSS the commercial version as my sound driver and I also run
> esound from my Gnome desktop. It was purely an accident but I found that
> all of the Gnome system sounds are output via esound and I can use the
> CD player from XMCD to have music at the same time. I also noticed that
> my microphone is active too, since I was getting some bad feedback
> noise. I was able to use the Gnome mixer to control all of this, so that
> it works OK. The wierd thing is that I have to log in and start both OSS
> and Esound as root, in an Xterm, in Gnome; then log out and log back in
> as a user to have it work in a regular session. If any one knows how to
> get them both running at boot up I would appreciate some help. I have
> only been experimenting with sounds for a month or so. Thanks. BTW I run
> ICEGnome not enlightenment and I have a Gnome taskbar hidden at the top
> of the screen and a ICE debian taskbar hidden at the bottom of the
> screen. Works great!
 
-- 
"I already have all the latest software."
     -- Laura Winslow, "Family Matters"

Dwayne C. Litzenberger - dlitz@cheerful.com

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