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# AVPlayerItemOutputPushDelegate

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

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

## Topics

### Flushing sequence state

[`-  outputSequenceWasFlushed:`](/documentation/AVFoundation/AVPlayerItemOutputPushDelegate/outputSequenceWasFlushed(_:))

Tells the delegate that the output is starting a new sequence of media data.

## Relationships

### Inherited By

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

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

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

### Inherits From

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

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

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

---

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