---
title: AVVideoOutputSpecification
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avvideooutputspecification
---

# AVVideoOutputSpecification

An object that specifies the pixel buffer attributes and tag collections handled by a player video output.

## Declaration

```swift
class AVVideoOutputSpecification
```

## Topics

### Creating a specification

- [init(tagCollections:)](avfoundation/avvideooutputspecification/init(tagcollections:).md)

### Configuring the specification

- [defaultOutputSettings](avfoundation/avvideooutputspecification/defaultoutputsettings.md)
- [setOutputSettings(_:for:)](avfoundation/avvideooutputspecification/setoutputsettings(_:for:).md)
- [defaultPixelBufferAttributes](avfoundation/avvideooutputspecification/defaultpixelbufferattributes.md)
- [setOutputPixelBufferAttributes(_:for:)](avfoundation/avvideooutputspecification/setoutputpixelbufferattributes(_:for:).md)
- [preferredTagCollections](avfoundation/avvideooutputspecification/preferredtagcollections-3gdo7.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Media output

- [AVPlayerVideoOutput](avfoundation/avplayervideooutput.md)
- [AVPlayerItemOutput](avfoundation/avplayeritemoutput.md)
- [AVPlayerItemVideoOutput](avfoundation/avplayeritemvideooutput.md)
- [AVPlayerItemLegibleOutput](avfoundation/avplayeritemlegibleoutput.md)
- [AVPlayerItemRenderedLegibleOutput](avfoundation/avplayeritemrenderedlegibleoutput.md)
- [AVRenderedCaptionImage](avfoundation/avrenderedcaptionimage.md)
- [AVPlayerItemMetadataOutput](avfoundation/avplayeritemmetadataoutput.md)
- [AVPlayerItemOutputPushDelegate](avfoundation/avplayeritemoutputpushdelegate.md)
- [AVPlayerItemSampleBufferOutput](avfoundation/avplayeritemsamplebufferoutput.md)
- [AVPlayerItemSampleBufferOutputConfiguration](avfoundation/avplayeritemsamplebufferoutputconfiguration.md)
- [AVPlayerItemSampleBufferOutputAudioConfiguration](avfoundation/avplayeritemsamplebufferoutputaudioconfiguration.md)