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# AVPlayerItemVideoOutput

An object that outputs video frames from a player item.

```
class AVPlayerItemVideoOutput
```

## Topics

### Creating a video output

[`init(pixelBufferAttributes:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/init(pixelBufferAttributes:)-7n7v8)

Creates a video output object using the specified pixel buffer attributes.

[`init(pixelBufferAttributes:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/init(pixelBufferAttributes:)-18izh)

Initializes an instance of AVPlayerItemVideoOutput, using the specified pixel buffer attributes, for video image output   

[`init(outputSettings:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/init(outputSettings:))

Creates a video output object initialized with the specified output settings.

### Configuring the delegate

[`setDelegate(_:queue:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/setDelegate(_:queue:))

Sets the delegate and dispatch queue for the receiver.

[`delegate`](/documentation/AVFoundation/AVPlayerItemVideoOutput/delegate)

The delegate for the video output object.

[`AVPlayerItemOutputPullDelegate`](/documentation/AVFoundation/AVPlayerItemOutputPullDelegate)

Methods you can implement to respond to pixel buffer changes.

[`delegateQueue`](/documentation/AVFoundation/AVPlayerItemVideoOutput/delegateQueue)

The dispatch queue on which to call delegate methods.

### Notifying the delegate of changes

[`requestNotificationOfMediaDataChange(withAdvanceInterval:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/requestNotificationOfMediaDataChange(withAdvanceInterval:))

Tells the receiver that the video out put client is entering a quiescent state.

### Getting pixel buffer data

[`hasNewPixelBuffer(forItemTime:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/hasNewPixelBuffer(forItemTime:))

Returns a Boolean value that indicates whether video output is available for the specified item time.

[`copyPixelBuffer(forItemTime:itemTimeForDisplay:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/copyPixelBuffer(forItemTime:itemTimeForDisplay:))

Retrieves an image that is appropriate for display at the specified item time, and marks the image as acquired.

[`pixelBufferAndDisplayTime(forItemTime:)`](/documentation/AVFoundation/AVPlayerItemVideoOutput/pixelBufferAndDisplayTime(forItemTime:))

Retrieves an image that is appropriate for display at the specified item time, and marks the image as acquired


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