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# CVImageChromaField

Information about chroma field in the 2VUY format image data.

```
struct CVImageChromaField
```

## Topics

### Initializers

[`init(fieldLocation: CVImageChromaField.FieldLocation, subsampling: CVImageChromaField.ChromaSubsampling)`](/documentation/CoreVideo/CVImageChromaField/init(fieldLocation:subsampling:))

### Instance Properties

[`var fieldLocation: CVImageChromaField.FieldLocation`](/documentation/CoreVideo/CVImageChromaField/fieldLocation-swift.property)

[`var subsampling: CVImageChromaField.ChromaSubsampling`](/documentation/CoreVideo/CVImageChromaField/subsampling)

### Enumerations

[`enum ChromaSubsampling`](/documentation/CoreVideo/CVImageChromaField/ChromaSubsampling)

Original format of subsampled data in the image buffer before conversion to 422/2vuy format.

[`enum FieldLocation`](/documentation/CoreVideo/CVImageChromaField/FieldLocation-swift.enum)

Indicates chroma sample location for progressive-scan & interlaced image data.

[`enum SampleLocation`](/documentation/CoreVideo/CVImageChromaField/SampleLocation)

Indicates the locations of the chroma sample in the image buffer.

## Relationships

### Conforms To

[`CVAttachmentValueRepresentable`](/documentation/CoreVideo/CVAttachmentValueRepresentable)

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

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

---

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