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# CVImageChromaField.ChromaSubsampling

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

```
enum ChromaSubsampling
```

## Overview

Note: To use these values, ensure that the image buffer data was converted to 4:2:2 format using simple pixel replication.

## Topics

### Enumeration Cases

[`case `4:1:1``](/documentation/CoreVideo/CVImageChromaField/ChromaSubsampling/4:1:1)

The original chroma-subsampled data used 4:1:1 formatting.

[`case `4:2:0``](/documentation/CoreVideo/CVImageChromaField/ChromaSubsampling/4:2:0)

The original chroma-subsampled data used 4:2:0 formatting.

[`case `4:2:2``](/documentation/CoreVideo/CVImageChromaField/ChromaSubsampling/4:2:2)

The original chroma-subsampled data used 4:2:2 formatting.

## Relationships

### Conforms To

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

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

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

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

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

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

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

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

---

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