---
title: kCVImageBufferChromaLocation_DV420
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvimagebufferchromalocation_dv420
---

# kCVImageBufferChromaLocation_DV420

A key that indicates the Cr and Cb samples are alternatingly co-sited with the left luma samples of the same field.

## Declaration

```swift
let kCVImageBufferChromaLocation_DV420: CFString
```

## See Also

### Constants

- [kCVImageBufferChromaLocation_Left](corevideo/kcvimagebufferchromalocation_left.md)
- [kCVImageBufferChromaLocation_Center](corevideo/kcvimagebufferchromalocation_center.md)
- [kCVImageBufferChromaLocation_TopLeft](corevideo/kcvimagebufferchromalocation_topleft.md)
- [kCVImageBufferChromaLocation_Top](corevideo/kcvimagebufferchromalocation_top.md)
- [kCVImageBufferChromaLocation_BottomLeft](corevideo/kcvimagebufferchromalocation_bottomleft.md)
- [kCVImageBufferChromaLocation_Bottom](corevideo/kcvimagebufferchromalocation_bottom.md)