• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: Virtual Device Questions
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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
>

Attachment: smime.p7s
Description: S/MIME cryptographic signature

 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden

  • Follow-Ups:
    • Re: Virtual Device Questions
      • From: William Stewart <email@hidden>
References: 
 >Re: Virtual Device Questions (From: William Stewart <email@hidden>)

  • Prev by Date: Re: Virtual Device Questions
  • Next by Date: Re: Virtual Device Questions
  • Previous by thread: Re: Virtual Device Questions
  • Next by thread: Re: Virtual Device Questions
  • Index(es):
    • Date
    • Thread