---
title: "CVImageChromaField.ChromaSubsampling.4:1:1"
framework: corevideo
role: symbol
role_heading: Case
path: "corevideo/cvimagechromafield/chromasubsampling/4:1:1"
---

# CVImageChromaField.ChromaSubsampling.4:1:1

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

## Declaration

```swift
case `4:1:1`
```