Re: no luck with virtual multi channel devices

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kellerassel wrote:
> i tried to start up two RME-Cards (a 9632 and a 96/8) as a
> virtual multi channel device.

How many channels to they use for playback and capture?

> pcm.rme_multi {
>          ...
>          type multi;
>          ...
>          bindings.0.slave a;
>          bindings.0.channel 0;
>          bindings.1.slave a;
>          bindings.1.channel 1;
>          ...

Please note that it might be easier to write the bindings like this:

        bindings [
            { slave a channel 0 }
            { slave a channel 1 }
            { slave a channel 2 }
            ...
            { slave b channel 0 }
            ...
        ]

>          bindings.11.slave b;
>          bindings.11.channel 3;
>          bindings.12.slave b;
>         bindings.13.slave b;
>          bindings.13.channel 5;

Isn't there something missing?

> ALSA: no playback configurations available (Invalid argument)

Does it work with aplay, like this:

    aplay -D rme968    -t raw -c 8  -f S32_LE -r 48000 /dev/zero
    aplay -D rme9632   -t raw -c 16 -f S32_LE -r 48000 /dev/zero
    aplay -D rme_multi -t raw -c 24 -f S32_LE -r 48000 /dev/zero


Regards,
Clemens

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