On Thursday 27 September 2007, Mark Constable wrote:
> As a baseline, say I started with this, where could I go
>
> >from here to get an app (ie; Amarok) to play back out two
>
> soundcards at once ?
Well, first of all you'd probably like to slap a plug plugin around it:
pcm.pshared {
type plug
slave.pcm "shared"
}
and then use pshared as the pcm device name in ALSA apps... [As far as i can
tell the plug plugin should usually copy a 2 channel input signal into all 4
channels of the combined pcm device per default [not tested]]
Flo
>
> # cat .asoundrc
> pcm.NVidia { type hw; card NVidia; }
> ctl.NVidia { type hw; card NVidia; }
>
> pcm.USX2Y { type hw; card USX2Y; }
> ctl.USX2Y { type hw; card USX2Y; }
>
> pcm.shared {
> type dshare
> ipc_key 321456 # any unique value
> ipc_key_add_uid true
> slave NVidia
> slave USX2Y
> bindings {
> 0 0
> 1 1
> }
> }
>
> --markc
>
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