At Thu, 05 Feb 2004 00:08:18 +0100,
Joern Nettingsmeier wrote:
>
> [crossposted to alsa-devel and jackit-devel]
>
> hi *!
>
> i'd like to use the rear outs of my sblive platinum with jack.
>
> the following works:
> # aplay some.wav -Dfront &
> # aplay someother.wav -Drear
> both signals end up at my mixer as expected, so it seems the devices
> are independent.
>
> front is hw:0,0 which is a duplex device.
> rear is hw:0,3 and is playback only.
hmm? hw:0,3 isn't for the rear output...
there is already a standard definition for 4.0 output, "surround40".
so, something like below would be better:
ctl.jtest {
type hw
card 0
}
pcm.jtest {
type asym
playback.pcm {
# route for mmap workaround
type route
slave.pcm surround40
ttable.0.0 1
ttable.1.1 1
ttable.2.2 1
ttable.3.3 1
}
capture.pcm {
# 2 channels only
type hw
card 0
}
}
and run jack with -d jtest -i 2 -o 6 options.
Takashi
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