Type Property

currentExposureDuration

A special constant representing the current exposure duration setting.

Declaration

class let currentExposureDuration: CMTime

Discussion

Pass this value to setExposureModeCustom(duration:iso:completionHandler:) to lock exposure duration to its current value (that is, to disable autoexposure).

See Also

Managing Image Exposure

var exposureDuration: CMTime

The length of time over which exposure takes place.

var exposureTargetOffset: Float

The metered exposure level's offset from the target exposure value, in EV units.

var exposureTargetBias: Float

Bias applied to the target exposure value, in EV units.

var minExposureTargetBias: Float

The minimum supported exposure bias, in EV units.

var maxExposureTargetBias: Float

The maximum supported exposure bias, in EV units.

var activeMaxExposureDuration: CMTime

The maximum exposure duration, in seconds, defined in the auto-exposure algorithm.

func setExposureTargetBias(Float, completionHandler: ((CMTime) -> Void)?)

Sets the bias to be applied to the target exposure value.

class let currentExposureTargetBias: Float

A special constant representing the current exposure bias value.