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# isCenterStageActive

A Boolean value that indicates whether Center Stage is active on a device.

```
var isCenterStageActive: Bool { get }
```

## Discussion

When Center Stage is active, the camera automatically pans, tightens, or widens the field of view as it requires to keep people optimally framed. If an app or a user enables Center Stage, this property value is <doc://com.apple.documentation/documentation/Swift/true> if the device supports the feature in its current configuration.

The system imposes the following restrictions on a device when Center Stage is active:

- It limits the range of values the device supports for its [`minAvailableVideoZoomFactor`](/documentation/AVFoundation/AVCaptureDevice/minAvailableVideoZoomFactor) and [`maxAvailableVideoZoomFactor`](/documentation/AVFoundation/AVCaptureDevice/maxAvailableVideoZoomFactor) properties to those of the active capture format’s [`videoMinZoomFactorForCenterStage`](/documentation/AVFoundation/AVCaptureDevice/Format/videoMinZoomFactorForCenterStage) and [`videoMaxZoomFactorForCenterStage`](/documentation/AVFoundation/AVCaptureDevice/Format/videoMaxZoomFactorForCenterStage), respectively.
- It limits the [`activeVideoMinFrameDuration`](/documentation/AVFoundation/AVCaptureDevice/activeVideoMinFrameDuration) and [`activeVideoMaxFrameDuration`](/documentation/AVFoundation/AVCaptureDevice/activeVideoMaxFrameDuration) to the value set by the active capture format’s [`videoFrameRateRangeForCenterStage`](/documentation/AVFoundation/AVCaptureDevice/Format/videoFrameRateRangeForCenterStage) property.

The system deactivates Center Stage in the following cases:

- You enable depth data delivery on a capture output, such as [`AVCaptureDepthDataOutput`](/documentation/AVFoundation/AVCaptureDepthDataOutput) or [`AVCapturePhotoOutput`](/documentation/AVFoundation/AVCapturePhotoOutput).
- The device supports geometric distortion correction, but you haven’t enabled it by setting the value of [`isGeometricDistortionCorrectionEnabled`](/documentation/AVFoundation/AVCaptureDevice/isGeometricDistortionCorrectionEnabled) to <doc://com.apple.documentation/documentation/Swift/true>.

This property is key-value observable.

---

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