I’m working on a couple of AU’s and I’m doing KVO on allParameterValues to
update my UI. I’ve noticed that
observeValue(forKeyPath keyPath: String?, of object: Any?, change:
[NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?)
is called twice when setting a preset via either fullSt
Are there any AU hosts on iOS that can host mono-to-stereo AU’s? I’m working on
an AU now where this would be the preferred configuration and the hosts I’ve
tested in so far all seem to default to stereo-stereo even when I’m using a
single input channel. It appears that they are all ignoring the
One thing to keep in mind while trying to trace issues with auvaltool and
errors with Mac Catalyst is that the reported error may not be where the actual
problem is. I spent several months trying to trace a failure with an iOS AUv3 I
was porting using Catalyst that wouldn’t pass auval because t
My issue was in allocateRenderResources() not in the internalRenderBlock. The
AU had actually been running fine on iOS for a few years when I ported it to
macOS and saw the issue in auval. It was even running fine on macOS in Logic,
GarageBand, MainStage, and Reaper. That’s why I mentioned it he
