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Re: AUListenerAddParameter

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Re: AUListenerAddParameter

Subject: Re: AUListenerAddParameter
From: Richard Burnett <email@hidden>
Date: Thu, 15 Jun 2006 18:17:13 -0400

Hmmm.  Here is some of the code I use:

enum {
	kParam_One          = 0,
	kLfo1RateParam      = 1,
	kNumberOfParameters = 2
};

AudioUnitParameter parameter[] = { { 0, kParam_One, kAudioUnitScope_Global, 0 },
			{ 0, kLfo1RateParam, kAudioUnitScope_Global, 0 } 								};

   int i;
   for (i = 0; i < kNumberOfParameters; ++i) {
      parameter[i].mAudioUnit = mAU;

      NSAssert (  AUListenerAddParameter (mParameterListener, NULL, &parameter[i]) == noErr,
         @"[CocoaView _addListeners] AUListenerAddParameter()");
   }


So the second element of the AudioUnitParameter should be unique, right?

Strange...

Rick

>Its probably rejecting the second one because you're adding an
>identical entry? An unique identity is formed by:
>Listener
>"Object" (this is the object arg to the listener APIs)
>ParamInfo - AU, Scope, Element, ParamID

>Bill
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References:
	>AUListenerAddParameter (From: Richard Burnett <email@hidden>)
	>Re: AUListenerAddParameter (From: William Stewart <email@hidden>)

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