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Re: AudioDeviceIOProcID
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Re: AudioDeviceIOProcID


  • Subject: Re: AudioDeviceIOProcID
  • From: Daniel Mack <email@hidden>
  • Date: Sun, 29 May 2011 15:36:17 +0200

On Sat, May 28, 2011 at 4:38 PM, email@hidden
<email@hidden> wrote:
> Quick question about the type AudioDeviceIOProcID.
>
> >From an old reply by Jeff Moore available in the archives, I read this:
>
> "The AudioDeviceIOProcID that AudioDeviceCreateIOProcID() returns in it's
> fourth parameter is a token that represents the IOProc/client data pointer pair
> that you are registering. This token is what you pass to AudioDeivceStart(),
> AudioDeviceStop(), etc. to tell the HAL what IOProc to perform the operation
> on."
>
> My question is: what is the internal type of AudioDeviceIOProcID? Is it a
> UInt32 like a deviceID?

It's a void*, so the driver can hand out a pointer to its internal
data structures or objects.

Daniel
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References: 
 >AudioDeviceIOProcID (From: "email@hidden" <email@hidden>)

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