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Re: AUListenerAddParameter returns -50

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Re: AUListenerAddParameter returns -50

Subject: Re: AUListenerAddParameter returns -50
From: Stephen Blinkhorn <email@hidden>
Date: Mon, 22 Jan 2007 17:49:49 +0000

I fixed this..

On 19 Jan 2007, at 21:15, Stephen Blinkhorn wrote:

Hello all, I am having problems with a AUListenerAddParameter call that is returning an OSStatus of -50 which I believe is a parameter error.

synthTypeParam.mAudioUnit = inComponentInstance; synthTypeParam.mScope = kAudioUnitScope_Global; synthTypeParam.mElement = 0; synthTypeParam.mParameterID = kGlobalSynthType1; OSStatus status = AUListenerAddParameter(parameterListener, this, &synthTypeParam);

I am not sure about my use of inComponentInstance which I get from my audio unit's constructor for example:

MySynth::MySynth(ComponentInstance inComponentInstance) : AUMonotimbralInstrumentBase(inComponentInstance, 0, 1).
Everything else looks ok to me.  Can anyone see what I'm missing?
thanks, Stephen. _______________________________________________ Do not post admin requests to the list. They will be ignored. Coreaudio-api mailing list (email@hidden) Help/Unsubscribe/Update your Subscription: email@hidden

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  >AUListenerAddParameter returns -50 (From: Stephen Blinkhorn <email@hidden>)




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