lvsti / cameo Goto Github PK

Thanks for the recent effort of swift-wrapping (and more) of CoreMediaIO. In the unmodified code for this app, I get a crash when clicking the Adjust Control button.

Digging in, I see a Control.model doesn't initialize properly, leading to a failed initialization of any AdjustControlPanelController... This is a failable initializer and returns nil, but explicitly unwrapped in showAdjustControlPanel, leading to a crash when setting its delegate. A guard would be effective here to avoid the crash, but the cause itself is more interesting:

In my experiments the following code segment in Control.model always fails:
case .boolean(let isTuning) = FeatureControlProperty.tune.value(in: controlID). When I comment that part, I can continue working with the app and explore my cameras and controls.

BTW I haven't seen the FourCC 'fctn' / kCMIOFeatureControlPropertyTune be available anywhere in my connected camera's/controls on MacOS 10.14.6 Mojave.

This project is great and I would like to fund some beer for you :D

Properties may exist/be missing/have different value based on the scope field in the property address. This has been ignored so far, but there should be a way to specify the scope for the list.