---
title: AVDisplayDynamicRange.constrainedHigh
framework: avkit
role: symbol
role_heading: Case
path: avkit/avdisplaydynamicrange/constrainedhigh
---

# AVDisplayDynamicRange.constrainedHigh

Defines a constrained high dynamic range. Allows for constrained High Dynamic Range (HDR) video content which is useful for mixing HDR and Standard Dynamic Range (SDR) content.

## Declaration

```swift
case constrainedHigh
```

## See Also

### Dynamic Ranges

- [AVDisplayDynamicRange.automatic](avkit/avdisplaydynamicrange/automatic.md)
- [AVDisplayDynamicRange.standard](avkit/avdisplaydynamicrange/standard.md)
- [AVDisplayDynamicRange.high](avkit/avdisplaydynamicrange/high.md)