---
title: kCVImageBufferChromaSubsampling_422
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvimagebufferchromasubsampling_422
---

# kCVImageBufferChromaSubsampling_422

A key that indicates the original chroma-subsampled data used 4:2:2 formatting.

## Declaration

```swift
let kCVImageBufferChromaSubsampling_422: CFString
```

## Discussion

Discussion Each pixel has a Y value, and U and V values are shared horizontally between 2 neighboring pixels.

## See Also

### Constants

- [kCVImageBufferChromaSubsampling_420](corevideo/kcvimagebufferchromasubsampling_420.md)
- [kCVImageBufferChromaSubsampling_411](corevideo/kcvimagebufferchromasubsampling_411.md)