Re: Virtual Device Questions
Re: Virtual Device Questions
- Subject: Re: Virtual Device Questions
- From: "Mike Silva" <email@hidden>
- Date: Thu, 29 Jun 2006 17:59:05 -0400
- Thread-topic: Virtual Device Questions
Thanks Bill! That worked.
Out of curiosity, can I do the same for a multi-channel input device? Can I
sub-divide it into multiple 'devices' that are independently controllable?
Mike
On 6/29/06 5:35 PM, "William Stewart" <email@hidden> wrote:
> You can make multiple virtuals (aggregates with just the one device
> in it) - one for each of the stereo channels you want.
>
> Then, make sure that for each of these you set the default stereo
> pair to the 2 channels that you want to use for that particular device
>
> Apps that are doing stereo output are expected to honour the stereo
> pair designation - for instance, both iTunes and QT will, and I'd
> expect VLC to as well.
>
> As for efficiency, this depends in part on how the device is
> constructed. For instance, if the device publishes its channels as a
> collection of stereo pairs, (or mono channels), then the output units
> that we provide (AUHAL, etc) will turn off those channels of the
> device that aren't being used.
>
> So, I think what you need can already be supported.
>
> Bill
>
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