---
title: masteringDisplayColorVolume
framework: corevideo
role: symbol
role_heading: Type Property
path: corevideo/cvimagebufferattachmentkeydefinitions/masteringdisplaycolorvolume
---

# masteringDisplayColorVolume

Mastering display color volume of the image.

## Declaration

```swift
static var masteringDisplayColorVolume: CVAttachmentKeyDefinition<Self.ShouldPropagate, Data> { get }
```

## Discussion

Discussion The value for this key is a 44 byte big-endian data sequence to match the payload of ISO/IEC 23008-2:2015(E), D.2.28 mastering display color volume in the supplemental enhancement information (SEI) message.