Static AVCaptureInputPortFormatDescriptionDidChangeNotification 

pub unsafe static AVCaptureInputPortFormatDescriptionDidChangeNotification: &'static NSNotificationName

Available on crate feature AVCaptureInput only.

This notification is posted when the value of an AVCaptureInputPort instance’s formatDescription property changes.

The notification object is the AVCaptureInputPort instance whose format description changed.

See also Apple’s documentation