object - How to successfully attach audio unit extensions to a host in Xcode without crashing the host? -


i'm trying start writing v3 audio unit extension macos, can't audio unit attach without crashing host.

i downloaded apple's sample code https://developer.apple.com/library/content/samplecode/audiounitv3example

i switched signing on team, built osxauv3host, built osxfilterdemoappextension target , tried both freshly built osxauv3host , garageband target app.

the extension visible within both apps, when select it, host application crashes unexpectedly "libc++abi.dylib: terminating uncaught exception of type nsexception"

the crash reporter log here: http://pastebin.com/hnp8c8uh

my code similar , exact same thing. doing wrong or there larger issue how audio units handled in macos?


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