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# colorYCbCrMatrix

The YCbCr matrix used for video composition.

```
var colorYCbCrMatrix: String? { get }
```

## Discussion

The default value is `nil`. When the value of this property is `nil`, the source’s matrix is propagated and used. Valid values are those suitable for [`AVVideoYCbCrMatrixKey`](/documentation/AVFoundation/AVVideoYCbCrMatrixKey).

---

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