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# AVDisplayCriteria

An object the system uses to guide the selection of a display mode in tvOS.

```
class AVDisplayCriteria
```

## Overview

In tvOS, this object provides the display criteria that an <doc://com.apple.documentation/documentation/AVKit/AVDisplayManager> uses to set an appropriate display mode, such as switching to HDR, when presenting a video asset. If your app uses <doc://com.apple.documentation/documentation/AVKit/AVPlayerViewController> for its player user interface, the system automatically applies the display critera when it presents the asset. If you use a custom player interface, load the value of an asset’s [`preferredDisplayCriteria`](/documentation/AVFoundation/AVPartialAsyncProperty/preferredDisplayCriteria) property and set it on the window’s <doc://com.apple.documentation/documentation/UIKit/UIWindow/avDisplayManager> object.

> Important:
> Most apps don’t create instances of this class, and instead retrieve the preferred display criteria from a media asset. If your app doesn’t use ``doc://com.apple.avfoundation/documentation/AVFoundation/AVAsset``, such as a streaming app that renders sample buffers using ``doc://com.apple.avfoundation/documentation/AVFoundation/AVSampleBufferDisplayLayer``, you can manually create an instance using the ``doc://com.apple.avfoundation/documentation/AVFoundation/AVDisplayCriteria/init(refreshRate:formatDescription:)`` initializer.

## Topics

### Create a display criteria

[`-  initWithRefreshRate:formatDescription:`](/documentation/AVFoundation/AVDisplayCriteria/init(refreshRate:formatDescription:))

Creates a display criteria object with the specified refresh rate and format description.

## Relationships

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

### Conforms To

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSCopying`](/documentation/Foundation/NSCopying)

[`Equatable`](/documentation/Swift/Equatable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`Hashable`](/documentation/Swift/Hashable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

---

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