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# CMSampleBuffer.DataReadiness

Constants that indicate the readiness of a sample buffer’s data.

```
enum DataReadiness
```

## Topics

### States

[`case notReady`](/documentation/CoreMedia/CMSampleBuffer/DataReadiness-swift.enum/notReady)

The media data isn’t ready to use.

[`case ready`](/documentation/CoreMedia/CMSampleBuffer/DataReadiness-swift.enum/ready)

The media data is ready to use.

[`case failed(OSStatus)`](/documentation/CoreMedia/CMSampleBuffer/DataReadiness-swift.enum/failed(_:))

The system failed to load the media data.

## Relationships

### Conforms To

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

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

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

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

---

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