Cocoa AU template, AUParameterSet and Logic automation
Cocoa AU template, AUParameterSet and Logic automation
- Subject: Cocoa AU template, AUParameterSet and Logic automation
- From: "Stephan M. Bernsee" <email@hidden>
- Date: Tue, 8 Jan 2008 10:59:34 +0100
Hi all,
I am having a strange problem with one of Apple's AudioUnits template
projects. I managed to compile the Cocoa AU template and it works just
fine, with one exception - automation in Logic 8 / 10.5.1 doesn't work
in write, latch or touch mode. I can draw automation curves just fine
and they control the plug in as expected (and in AULab I can get it to
react to parameter changes from a second instance and/or the generic
view), but recording automation data just doesn't work when the Cocoa
user interface is used to set the parameters in Logic.
The code looks ok to me, the slider correctly calls AUParameterSet
when I move it, however, the automation data seem to get lost
somewhere. I had a look at the FilterDemo example which works fine in
this regard but couldn't see anything that would make a difference.
Any hints, pointers or pitfalls that I should be aware of?
The code for the test project is here:
http://stephan.bernsee.com/TestAutomation.zip
It's the single slider gain demo project without any change. Any
insight would be appreciated.
Thanks
Stephan Bernsee
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