dynamicAspectRatio
A key-value observable property indicating the current aspect ratio for a device.
Declaration
var dynamicAspectRatio: AVCaptureDevice.AspectRatio? { get }Discussion
This property is initialized to the first AVCaptureDevice.AspectRatio listed in the device’s activeFormat’s supportedDynamicAspectRatios property. If the activeFormat’s supportedDynamicAspectRatios is an empty array, this property returns nil.