On Thursday 13 Nov 2003 21:29, you wrote:
> Is there a way to get the OSS emulation to use this duplication setup?
There might be by using the ALSA OSS emulation libraries (libaoss) instead of
the default kernel OSS emulation modules. But I haven't tried it yet so
someone else will have to confirm that it works.
> Also just thinking about it - is it at all possible to have alsa setup
> so that a different setup is used depending on how many channels the
> sound is playing to, ie so 8 channel sound just plays as normal, 6 has 2
> channels duplicated to make 8, and so on...
There's no simple solution I know of other than defining the separate pcms and
routing tables in your asoundrc and configuring each application to use one
of them. e.g. 5.1+2 duplicated centre surround channels:
pcm.ice1724_51+2 {
type plug
slave {
pcm 'hw:0,0'
channels 8
}
ttable.0.0 1
ttable.1.1 1
ttable.4.2 1
ttable.5.3 1
ttable.2.4 1
ttable.3.5 1
ttable.2.6 1
ttable.3.7 1
}
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