Re: [Linphone-users] Please include native support for PulseAudio

[Chris Seekamp]

Simon:

When you select devices for recording and playback, there should be one
called "pulse". If you do not find this, then you can put the following
in either ~/.asoundrc or /etc/asound.conf:

pcm.pulse {
        type pulse
}
ctl.pulse {
        type pulse
}

This will define the pulse devices to PulseAudio, although I would
suspect on the latest debian they would be there already.  A good way to
test is with gnome-sound-recorder.

There is also the Sound Preferences. You should make sure that the
PulseAudio Sound Server is selected there.  Also make sure that
pulseaudio is running. I have seen situations where after logging in it
wasn't although this was probably on older versions of pulseaudio.
Ubuntu 10.04 is on on a version of pulseaudio 0.9.22 while SLED 11 SP1
RC3 is at pulseaudio 0.9.21.

You can use:

pulseaudio --start

to make sure pulseaudio is running. It may also print out error or
warning messages to let you know if there are some configuration issues.

Also be aware that to use PulseAudio with ALSA you need the
libasound2-plugins package.


On Tue, 2010-05-04 at 17:29 +0200, Simon Morlat wrote: 
> Hi all pulseaudio supporters and debaters,
> 
> I've written a pulse audio backend to mediastreamer2 (linphone's media
> engine). Of course it comes together with alsa, not as a replacement.
> And it's optionnal in compilation.
> But actually the main problem I have now is that I can't get pulseaudio
> to play a single sound on my laptop, even with paplay.
> Absolutely no errors. I can see the player connection with various
> pulseaudio tools. Volumes are nonzero.
> But I just hear silence....
> I have a debian unstable updated last week.
> 
> Anyone has ideas ?
> 
> Thanks for your suggestions.
> 
> Simon
> 
> Le mardi 04 mai 2010 à 13:11 +1000, Xavion a écrit :
> >         Thank you for sharing your views regarding pulseaudio.
> >         For  you what is the main advantage of using pulseaudio
> >         compared to
> >         standart alsa ?
> > 
> > Some people might dispute this statement, but PulseAudio is the Linux
> > sound server of the future.  For me, its biggest strength is the GUI
> > approach that makes configuration much simpler.  Since Linphone is a
> > GUI application, it makes sense to liaise with a sound server that has
> > a native GUI.
> > 
> >         In my opinion pulseaudio has a too big latency and is not
> >         appropriate for VOIP.
> > 
> > Any current latency issues will probably be resolved in future
> > releases of PulseAudio.  If there are no other significant problems, I
> > think it'd be wise for Linphone to support PulseAudio now, rather than
> > continuing to lag behind the times.  Thanks for taking my opinions on
> > this matter into consideration.
> > 
> 
> 
> 
> 
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