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Re: Changes in CoreAudio interface with QT update
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Re: Changes in CoreAudio interface with QT update


  • Subject: Re: Changes in CoreAudio interface with QT update
  • From: William Stewart <email@hidden>
  • Date: Thu, 29 Apr 2004 17:02:09 -0700

On 29/04/2004, at 1:33 PM, Airy Andri wrote:

> It seems the QT update changed the CoreAudio API and you need to do
> the following changes to your AU and SDK (and maybe more) :
> - in your AU :
> 1) There is a new field in the AudioUnitParameterInfo struct
> (unitName, second field). You have to put a 0 there if you don't use
> it (and probably don't since it's new...)

You shouldn't need the zero... you have to set an explicit flag to say
that this new field is valid, otherwise a host should never be looking
at that field.

Bill

>
> - in the SDK :
> 1) Comment (remove) the #include "PostPantherAdditions.h" in
> CAAUParameter.h
> 2) You need to do the following change in CAAUParameter.cpp :
> //CFStringRef unitName = TEMP_GET_PARAMETER_UNIT_NAME(mParamInfo);
> CFStringRef unitName = mParamInfo.unitName;
> (there is a pragma warning about that in the code).
>
> That has been enough for my latest AU to compile with QT 6.5.1
> installed (and SDK 1.3.1)
>
> Airy
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  • Follow-Ups:
    • Re: Changes in CoreAudio interface with QT update
      • From: Airy André <email@hidden>
References: 
 >Changes in CoreAudio interface with QT update (From: Airy André <email@hidden>)

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