---
title: AVVideoTransferFunction_ITU_R_709_2
framework: avfoundation
role: symbol
role_heading: Global Variable
path: avfoundation/avvideotransferfunction_itu_r_709_2
---

# AVVideoTransferFunction_ITU_R_709_2

The transfer function for the ITU_R BT.709 color space.

## Declaration

```swift
let AVVideoTransferFunction_ITU_R_709_2: String
```

## Mentioned in

Setting color properties for a specific resolution

## See Also

### Color properties

- [Setting color properties for a specific resolution](avfoundation/setting-color-properties-for-a-specific-resolution.md)
- [AVVideoAllowWideColorKey](avfoundation/avvideoallowwidecolorkey.md)
- [AVVideoColorPrimariesKey](avfoundation/avvideocolorprimarieskey.md)
- [AVVideoColorPrimaries_EBU_3213](avfoundation/avvideocolorprimaries_ebu_3213.md)
- [AVVideoColorPrimaries_ITU_R_2020](avfoundation/avvideocolorprimaries_itu_r_2020.md)
- [AVVideoColorPrimaries_ITU_R_709_2](avfoundation/avvideocolorprimaries_itu_r_709_2.md)
- [AVVideoColorPrimaries_P3_D65](avfoundation/avvideocolorprimaries_p3_d65.md)
- [AVVideoColorPrimaries_SMPTE_C](avfoundation/avvideocolorprimaries_smpte_c.md)
- [AVVideoColorPropertiesKey](avfoundation/avvideocolorpropertieskey.md)
- [AVVideoTransferFunctionKey](avfoundation/avvideotransferfunctionkey.md)
- [AVVideoTransferFunction_IEC_sRGB](avfoundation/avvideotransferfunction_iec_srgb.md)
- [AVVideoTransferFunction_ITU_R_2100_HLG](avfoundation/avvideotransferfunction_itu_r_2100_hlg.md)
- [AVVideoTransferFunction_Linear](avfoundation/avvideotransferfunction_linear.md)
- [AVVideoTransferFunction_SMPTE_240M_1995](avfoundation/avvideotransferfunction_smpte_240m_1995.md)
- [AVVideoTransferFunction_SMPTE_ST_2084_PQ](avfoundation/avvideotransferfunction_smpte_st_2084_pq.md)