---
title: itu_R_2020
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/itu_r_2020
---

# itu_R_2020

## Declaration

```swift
static let itu_R_2020: CMFormatDescription.Extensions.Value.TransferFunction
```

## See Also

### Transfer Functions

- [itu_R_2100_HLG](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/itu_r_2100_hlg.md)
- [itu_R_709_2](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/itu_r_709_2.md)
- [linear](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/linear.md)
- [sRGB](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/srgb.md)
- [smpte_240M_1995](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/smpte_240m_1995.md)
- [smpte_ST_2084_PQ](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/smpte_st_2084_pq.md)
- [smpte_ST_428_1](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/smpte_st_428_1.md)
- [useGamma](coremedia/cmformatdescription/extensions-swift.struct/value/transferfunction/usegamma.md)