Hello,
A few of you have reported problems with DMIX and GnomeMeeting.
The symptoms are that when DMIX is used, the jitter buffer in
GnomeMeeting constantly increases due to the growing latency added by
DMIX.
That is due to full-duplex problems introduced by DMIX. However, there
is a way to prevent that: use the same period_* buffer_* parameters for
DSNOOP (capture) and DMIX (playback).
The file .asoundrc in attachment is an example of config that works.
The latency added by DMIX is about 80 to 100 ms. It could be better, but
it is still acceptable.
Enjoy!
PS: Yes, I'll add it to the 2.00 FAQ.
--
_ Damien Sandras
(o-
//\ GnomeMeeting: http://www.gnomemeeting.org/
v_/_ FOSDEM 2006 : http://www.fosdem.org
SIP Phone : sip:[EMAIL PROTECTED]
sip:[EMAIL PROTECTED]
# Useful so that all settings can be changed to a different card here.
pcm.snd_card {
type hw
card 0
}
# Allow mixing of multiple output streams to this device
pcm.dmixer {
type dmix
ipc_key 1024
slave.pcm "snd_card"
slave {
period_time 0
period_size 1024
buffer_size 8192
rate 44100
}
bindings {
0 0
1 1
}
}
# Allow reading from the default device.
# Also known as record or capture.
pcm.dsnooper {
type dsnoop
ipc_key 2048
slave.pcm "snd_card"
slave {
period_time 0
period_size 1024
buffer_size 8192
rate 44100
}
bindings {
0 0
1 1
}
}
# This is what we want as our default device
pcm.duplex {
type asym
playback.pcm "dmixer"
capture.pcm "dsnooper"
}
pcm.!default {
type plug
slave.pcm "duplex"
}
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