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Re: Setting AudioQueue input device and format?
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Re: Setting AudioQueue input device and format?


  • Subject: Re: Setting AudioQueue input device and format?
  • From: Rick Mann <email@hidden>
  • Date: Thu, 10 Mar 2011 17:42:39 -0800

On Mar 10, 2011, at 17:41:00, Brian Willoughby wrote:

> I believe that you'll need to call the CoreAudio API directly to query the hardware sample rate, and I assume you have the right AudioObject for this.  You can confirm that your code is working by comparing against the values shown in Audio MIDI Setup.  There might be a pass-through available via AudioQueue through some indirect means but I would not necessarily trust it as easily as the direct API.

That's fine.

My biggest problem, at this point, is getting the Audio Device UID from the IOHIDDevice I already have. I'm not sure there's any way to associate the two. I can enumerate the attached audio devices, but I have no way of identifying them as belonging to the same device that the IOHIDDeviceRef I have belongs to.

--
Rick

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 >Setting AudioQueue input device and format? (From: Rick Mann <email@hidden>)
 >Re: Setting AudioQueue input device and format? (From: Brian Willoughby <email@hidden>)
 >Re: Setting AudioQueue input device and format? (From: Rick Mann <email@hidden>)
 >Re: Setting AudioQueue input device and format? (From: Brian Willoughby <email@hidden>)

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