pub unsafe static AVCaptureWhiteBalanceGainsCurrent: AVCaptureWhiteBalanceGainsAvailable on crate feature
AVCaptureDevice only.Expand description
A special value that may be passed as a parameter of setWhiteBalanceModeLockedWithDeviceWhiteBalanceGains:completionHandler: to indicate that the caller does not wish to specify a value for deviceWhiteBalanceGains, and that gains should instead be locked at their value at the moment that white balance is locked.
See also Apple’s documentation