Re: AudioUnit kAudioUnitProperty_ClassInfo and UI update
Re: AudioUnit kAudioUnitProperty_ClassInfo and UI update
- Subject: Re: AudioUnit kAudioUnitProperty_ClassInfo and UI update
- From: Wolfgang Kundrus <email@hidden>
- Date: Tue, 13 Apr 2010 10:11:24 +0200
Thanks, I have not seen any hint to that in the documentation. Maybe,
it needs to be added to the documentation of
kAudioUnitProperty_ClassInfo, so you can not miss it.
All the best
Wolfgang
2010/4/12 William Stewart <email@hidden>:
> Hi Wolfgang
>
> It is the responsibility of the host to notify that some of the parameter values might have changed.
>
> something like this should be done after you set the class info:
>
> AudioUnitParameter changedUnit;
> changedUnit.mAudioUnit = theChangedAU;
> changedUnit.mParameterID = kAUParameterListener_AnyParameter;
> AUParameterListenerNotify (NULL, NULL, &changedUnit);
>
> Bill
>
> On Apr 12, 2010, at 11:58 AM, Wolfgang Kundrus wrote:
>
>> I have got a problem with some AudioUnit plugins, in this case the
>> AUParametricEQ. After I call kAudioUnitProperty_ClassInfo, the UI
>> update is missing. I can clearly hear that the preset changed, but no
>> graphical update happens. I am out of option to try, so I am hoping to
>> gather some information here. For instance, what I am not sure about
>> is, whether this call should happen in the Initialized or
>> Uninitialized state.
>>
>> The same plugin works fine in AULab.
>>
>> Thanks
>> Wolfgang
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