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# AVPlayerVideoOutput

An object that receives video data from a player object.

```
class AVPlayerVideoOutput
```

## Overview

Attach a video output to an [`AVPlayer`](/documentation/AVFoundation/AVPlayer) object to access the player’s video data as <doc://com.apple.documentation/documentation/CoreMedia/CMTaggedBufferGroupRef> objects.

> Important:
> You can only attach an instance of this class to a single player at a time. Attempting to attach the instance to more than one player results in the system raising an exception.

## Topics

### Creating an output

[`init(specification:)`](/documentation/AVFoundation/AVPlayerVideoOutput/init(specification:))

Creates a video output from a specification.

### Accessing video data

[`sample(forHostTime:)`](/documentation/AVFoundation/AVPlayerVideoOutput/sample(forHostTime:))

Retrieves a video sample along with auxiliary information for display at the specified host time.

[`AVPlayerVideoOutput.Sample`](/documentation/AVFoundation/AVPlayerVideoOutput/Sample)

A video frame along with auxiliary information for display at the specified presentation time.

[`taggedBuffers(forHostTime:)`](/documentation/AVFoundation/AVPlayerVideoOutput/taggedBuffers(forHostTime:))

[`copyTaggedBufferGroupForHostTime:presentationTimeStamp:activeConfiguration:`](/documentation/AVFoundation/AVPlayerVideoOutput/copyTaggedBufferGroupForHostTime:presentationTimeStamp:activeConfiguration:)

[`AVPlayerVideoOutput.Configuration`](/documentation/AVFoundation/AVPlayerVideoOutput/Configuration)

An object that provides configuration information for the related player item.


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