[Pkg-ltsp-devel] Re: [Ltsp-discuss] VoIP status?

Joshua N Pritikin jpritikin at pobox.com
Sat Nov 4 10:19:18 UTC 2006


On Sat, Nov 04, 2006 at 01:47:05PM +0530, Joshua N Pritikin wrote:
> On Sat, Nov 04, 2006 at 09:11:21PM +1300, Krsnendu Dasa wrote:
> > Do you mean pulse audio?

Well, I got pulseaudio working with LTSP 4.2. It was a lot easier than I 
expected. Here are some notes:

0. Install pulseaudio-esound-compat on the client (easy with MueKow). 
For 4.2, I used the pkg-overlay hack which I posted a while ago.

1. pa wants alsa. I added SMODULE_01 = cmipci to the ltsp.conf.

2. esdcompat starts in user mode. In this case, I have no idea where the 
pulse_cookie is written. /root ? Anyway, it makes more sense to start in 
system mode. Instructions here:

  http://pulseaudio.org/wiki/SystemWideInstance

3. On the server, default /etc/asound.conf to pulse:

pcm.!default {
  type pulse
}
ctl.!default {
  type pulse
}

4. The pulse_cookie needs to be copied from the client /var/run/pulse to 
the user's $HOME. I did this by hand. For LTSP 4.2, it could be 
automated with ssh. MueKow would probably be easier because ldm could do 
it.

5. Test: aplay /usr/share/sounds/k3b_success1.wav

I haven't tested any softphones yet. I didn't expect to get this far so 
fast.



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