Gaetan Lord wrote:
> I do home automation, and like to have a single card from which I could
> have 2 separate stereo output.
>
> I'd like to be able to run 1 XMMS instance on each of them, or also have
> the possibility to run a single instance of XMMS on both simultaneously.
>
> I have a hard time with my Soundblaster card, using the front and back
> output.
········································································
Using the "front" and "rear" devices for separate outputs should already
work. If your application uses a sample format not supported by the
hardware, use "plug:front" and "plug:rear".
To output a stereo stream to both front and rear speaker pairs, put the
following into /etc/asound.conf:
pcm.stereosurround {
@args [ CARD ]
@args.CARD {
type string
}
type route
slave {
pcm {
@func concat
strings [ "surround40:CARD=" $CARD ]
}
channels 4
}
ttable [
[ 1 0 1 0 ]
[ 0 1 0 1 ]
]
}
and tell xmms or aplay to use device "stereosurround:0" (or
"plug:stereosurround:0"). ("0" is the card number.)
HTH
Clemens
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