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[Linphone-developers] Linphone and ALSA plug-ins

From: Cameron Barfield
Subject: [Linphone-developers] Linphone and ALSA plug-ins
Date: Fri, 11 Apr 2008 10:42:35 -0700
User-agent: Thunderbird (X11/20070604)

Hi --

I'd like to run multiple instances of Linphone, each with the ability to 
adjust its own volume. When Linphone uses the default ALSA device, it adjusts 
the PCM
volume which changes the volume of the whole system.

I've got ALSA's softvol plug-in working. I've created four new 'devices' in my 
and can play to them using 'aplay -D new_chan1 file.wav'. I can independently 
adjust the
volume for each device without affecting the system volume.

I can't seem to figure out how to get Linphone to use these devices, though. No 
what I change 'playback_dev_id=' to in .linphonerc, it's always overwritten 
with 'ALSA:
default device' whenever I run linphonec.

Is there a way to force Linphone to use a plugin/virtual device? Also, is it 
possible with
the mediastream test utility?


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