---
title: AVVideoComposition.PerFrameHDRDisplayMetadataPolicy
framework: avfoundation
role: symbol
role_heading: Structure
path: avfoundation/avvideocomposition/perframehdrdisplaymetadatapolicy-swift.struct
---

# AVVideoComposition.PerFrameHDRDisplayMetadataPolicy

A type that defines the policy for handling of per frame HDR metadata.

## Declaration

```swift
struct PerFrameHDRDisplayMetadataPolicy
```

## Discussion

Discussion Use this type to specify what HDR display metadata to attach to the rendered frame.

## Topics

### Policies

- [propagate](avfoundation/avvideocomposition/perframehdrdisplaymetadatapolicy-swift.struct/propagate.md)
- [generate](avfoundation/avvideocomposition/perframehdrdisplaymetadatapolicy-swift.struct/generate.md)

### Initializers

- [init(rawValue:)](avfoundation/avvideocomposition/perframehdrdisplaymetadatapolicy-swift.struct/init(rawvalue:).md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Configuring HDR metadata

- [perFrameHDRDisplayMetadataPolicy](avfoundation/avmutablevideocomposition/perframehdrdisplaymetadatapolicy.md)