Hi,
I have a basic application which produces some sound using alsa lib. When I
plug my headphone to the jack on the PC, I can hear the sound with the
following asound.conf:
pcm.dmixer {
type dmix
ipc_key 324558
slave {
pcm "hw:1,0"
}
bindings {
0 0
1 1
}
}
pcm.!default {
type plug
slave.pcm dmixer
}
I now have a monitor which has also a jack for the headphone and the monitor
is hooked to my pc with the displayport cable. I have followed the wiki page
and realized that I should be able to hear sound with the following
configuration:
pcm.multi {
type multi;
slaves.a.pcm "hw:0,1";
slaves.a.channels 2;
slaves.b.pcm "hw:1,0";
slaves.b.channels 2;
bindings.0.slave a;
bindings.0.channel 0;
bindings.1.slave a;
bindings.1.channel 1;
bindings.2.slave b;
bindings.2.channel 0;
bindings.3.slave b;
bindings.3.channel 1;
}
pcm.!default {
type plug
slave.pcm multi
}
hw:0,1 is the sound card where the displayport is located and hw:1,0 is the
one which has the jack on the pc. With this conf, I can't hear any sound
either jacks. However, I can hear sound when I run the following famous
call: aplay Front_Center.wav
This works for both jacks.
Could anyone shed some light? Where am I doing wrong?
Thanks.
BTW: everything is un-muted in alsamixer.
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