---
title: CMVideoCardGamma
framework: Application Services
role: symbol
role_heading: Structure
platforms: [macOS 10.0+]
path: applicationservices/cmvideocardgamma
---

# CMVideoCardGamma

Contains video gamma data to store with a video gamma profile tag. 

## Declaration

```occ
typedef struct CMVideoCardGamma {
    ...
} CMVideoCardGamma;
```

## Overview

The ColorSync Manager defines the `CMVideoCardGamma` data structure to specify the video gamma data to store with a video gamma profile tag. The structure is a union that can store data in either table or formula format. 

## Topics

### Fields

- [table](cmvideocardgamma/1806487-table.md)
- [formula](cmvideocardgamma/1806493-formula.md)

### Instance Properties

- [tagType](cmvideocardgamma/1560322-tagtype.md)
- [u](cmvideocardgamma/1560238-u.md)