---
title: AVPlayerItemOutputPushDelegate
framework: avfoundation
role: symbol
role_heading: Protocol
path: avfoundation/avplayeritemoutputpushdelegate
---

# AVPlayerItemOutputPushDelegate

A protocol that defines the methods to implement to respond to changes in the media data sequence.

## Declaration

```swift
protocol AVPlayerItemOutputPushDelegate : NSObjectProtocol, Sendable
```

## Topics

### Flushing sequence state

- [outputSequenceWasFlushed(_:)](avfoundation/avplayeritemoutputpushdelegate/outputsequencewasflushed(_:).md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

### Inherited By

- [AVPlayerItemLegibleOutputPushDelegate](avfoundation/avplayeritemlegibleoutputpushdelegate.md)
- [AVPlayerItemMetadataOutputPushDelegate](avfoundation/avplayeritemmetadataoutputpushdelegate.md)
- [AVPlayerItemRenderedLegibleOutputPushDelegate](avfoundation/avplayeritemrenderedlegibleoutputpushdelegate.md)

## See Also

### Media output

- [AVPlayerVideoOutput](avfoundation/avplayervideooutput.md)
- [AVVideoOutputSpecification](avfoundation/avvideooutputspecification.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)
- [AVPlayerItemSampleBufferOutput](avfoundation/avplayeritemsamplebufferoutput.md)
- [AVPlayerItemSampleBufferOutputConfiguration](avfoundation/avplayeritemsamplebufferoutputconfiguration.md)
- [AVPlayerItemSampleBufferOutputAudioConfiguration](avfoundation/avplayeritemsamplebufferoutputaudioconfiguration.md)