> > It should be -D maudio_spdif, so lose the plug: and it will work. I think
> > the analog should also work without plug.
>
> Thanks! That did it, mostly... I now can play sound through the SPDIF!
>
> The analog doesn't work without "plug", I get an error "aplay:
> set_params:827: Sample format non available". I think it's because the
> 2496 driver only does 24bit, so 16bit pcm requires translation.
Yes, of course.
> But that's not a problem - plug works fine.
>
> The one problem is I still can't play different wave files
> simultaneously through the two outputs.
>
> If I start "aplay -D maudio_spdif 12.wav &" and then try to do "aplay -D
> plug:maudio_analog 11.wav" at the same time, the second one just blocks
> until the first one is done.
>
> This is unfortunate, since I'd really like to be able to run two-room
> sound from my computer into different amplifiers and speakers. I'm sure
> there's a way to do it, since the hardware is capable of it...
Well, some kind of dmix approach might do it.
app1 >-- --> analog
\ /
dmix
/ \
app2 >-- --> spdif
I don't know how to do it. I think this kind of plug device would be
popular among 5.1 owners, where you could define what input goes to what
output. Something like:
-D dmix_rear
-D dmix_front
etc..
But how to separate them from the mix? Anyway, dmix allows multiple
instances to use the soundcard, so it's a start.
Maybe the plugins can be linked so that output of one goes to input of the
other. I guess this can be done, but I'm not any .asoundrc magician.
Or ttable & bindings...
http://www.alsa-project.org/alsa-doc/doc-php/asoundrc.php3
Tommi
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