CoreAudioSDK

Here's the definitive source of the Core Audio SDK because It's been missing forever. Originally from Apple documentation Archive, Core Audio Utility Classes.

Careful!

Rumours are that you can define CA_NO_CORE_SERVICES and CA_USE_AUDIO_PLUGIN_ONLY, but that causes the build of AUPublic to fail.

What's different

verify and verify_noerr

These macros are removed by Apple in macOS 10.13 (Source). They are replaced with __Verify and __Verify_noErr so the code would compile under the latest macOS.

Carbon things (.r files)

I have no idea how to deal with Carbon and I never used these to develop graphical AU plugin, so I didn't include any of the .r files in the targets. If you are familiar with Carbon please make PRs ❤️