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Re: audiounit instrument with cocoa view
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Re: audiounit instrument with cocoa view


  • Subject: Re: audiounit instrument with cocoa view
  • From: "herve.noury" <email@hidden>
  • Date: Thu, 23 Jun 2011 21:36:48 +0200

Thanks Ben for your long answer. It's very nice from you to spend so much time to help us!!

I tried your solution today, and I encounter this problem :
- doing just a view without any slider : the compiler creates the .component but the NSView does not appear in AULAb
- then I tried something similar than a AUEffect with Cocoa View, with a sub-class of NSSlider and a NSTextField to edit the volume, and I encounter this problem :
Some C++ classes were not imported, I did it but then I had :

"Undefined symbols for architecture x86_64:
  "_AUParameterSet", referenced from:
      -[MonSecondSynthView iaParam1Changed:] in MonSecondSynthView.o
      -[MonSecondSynthView _synchronizeUIWithParameterValues] in MonSecondSynthView.o
  "_AUEventListenerNotify", referenced from:
      -[MonSecondSynthView handleMouseDown:] in MonSecondSynthView.o
      -[MonSecondSynthView handleMouseUp:] in MonSecondSynthView.o
  "_AUListenerCreate", referenced from:
      -[MonSecondSynthView _addListeners] in MonSecondSynthView.o
  "_AUListenerAddParameter", referenced from:
      -[MonSecondSynthView _addListeners] in MonSecondSynthView.o
  "_AUListenerRemoveParameter", referenced from:
      -[MonSecondSynthView _removeListeners] in MonSecondSynthView.o
  "_AUListenerDispose", referenced from:
      -[MonSecondSynthView _removeListeners] in MonSecondSynthView.o
  "_AudioUnitGetParameter", referenced from:
      -[MonSecondSynthView _synchronizeUIWithParameterValues] in MonSecondSynthView.o
  "_AUParameterListenerNotify", referenced from:
      -[MonSecondSynthView _synchronizeUIWithParameterValues] in MonSecondSynthView.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)"

The class concerned should be <AudioUnitUtilities.h>, but there's not the destructors inside. (???) Does someone would know what to do?

Thanks again Ben for your help.
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