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kAudioUnitProperty_DependentParameters
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kAudioUnitProperty_DependentParameters


  • Subject: kAudioUnitProperty_DependentParameters
  • From: Pavol Markovic <email@hidden>
  • Date: Mon, 17 Oct 2005 23:44:21 +0200

Sorry if I'm asking obvious, but I have yet another property which usage is quite unclear to me:
kAudioUnitProperty_DependentParameters


The header says:
array of AUDependentParameter (read only)

For parameters marked with kAudioUnitParameterFlag_IsGlobalMeta, any non-global dependent parameters are assumed to be dependent in every element of their scope.

For parameters marked with kAudioUnitParameterFlag_IsElementMeta, then its dependent parameters must all be the same scope, and are assumed to apply only within a single element, not to other instances of the same parameter in other elements.

If the host is asking which parameters are dependent on certain Meta parameter, where does it pass the meta parameter id? And how can AU find out which meta dependent parameters host wants to return - does the nonzero element value in GetProperty call mean I'm asking for element meta?
Because I can't find it, I suspect the AU should return the array of all parameters that are dependent on any meta parameter.


Best,
Palo Markovic

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