Hi,
I am trying to configure my Audio2DJ soundcard. First, I put the following
to ~/.asoundrc as proposed in the Native Instruments forum:
---
pcm.djA { type plug; slave.pcm "hw:Audio2DJ,0,0"; }
pcm.djB { type plug; slave.pcm "hw:Audio2DJ,0,1"; }
pcm.djAB {
type multi
# bind hardware devices
slaves.a.pcm djA
slaves.a.channels 2
slaves.b.pcm djB
slaves.b.channels 2
# bind channels to virtual device
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
}
---
The configuration works fine, when I run
aplay -D djA test.wav
aplay -D djB test.wav
I hear the sound on the corresponding output. However, I cannot
play two sounds on djA at the same time, because the second call
aplay -D djA test.wav
yields:
aplay: main:608: audio open error: Device or resource busy
So I tried the dmix plugin and appended the following to my ~/.asoundrc:
---
pcm.djAmix {
type plug
slave.pcm "dmixer"
}
pcm.dsp0 {
type plug
slave.pcm "dmixer"
}
pcm.dmixer {
type dmix
ipc_key 1024
slave {
pcm "hw:Audio2DJ,0,0"
period_time 0
period_size 1024
buffer_size 8192
rate 44100 #many new cards are 48000 only
}
bindings {
0 0
1 1
}
}
ctl.dmixer {
type hw
card Audio2DJ
}
---
Now, when I run
aplay -D djAmix test.wav
I get:
ALSA lib pcm_direct.c:909:(snd1_pcm_direct_initialize_slave) requested or
auto-format is not available
ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to initialize slave
aplay: main:608: audio open error: Invalid argument
Can anybody tell me how to configure Audio2DJ to play several sounds at the
same time on the same output?
Thank you very much for your help!
Fabian
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