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AUv3 with Mac Catalyst issues with auval
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AUv3 with Mac Catalyst issues with auval


  • Subject: AUv3 with Mac Catalyst issues with auval
  • From: Nikolozi Meladze via Coreaudio-api <email@hidden>
  • Date: Mon, 14 Jun 2021 16:44:59 +0400

Hi,

I’m trying to run my iPad AUv3 synth on macOS Big Sur using Mac Catalyst. I’ve
fixed a few issues and made some progress. But I’m currently stuck on the auval
returning this error:

```
Checking parameter setting
Using AudioUnitSetParameter
Using AudioUnitScheduleParameter
ERROR: -66745 IN CALL AudioUnitRender

* * FAIL
```

What does this particular test do? Is there documentation that I can read, to
see what each auval test does?

I know -66745 corresponds to kAudioUnitErr_RenderTimeout but that still doesn’t
tell me much.

The AUv3 loads and works fine in Reaper, but doesn’t work in Logic because
auval fails it because of the above error. Any pointers would be appreciated.

Cheers
Niko
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