---
name: "SDL_TransferCharacteristics"
section: "3type"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_TransferCharacteristics"
---

# SDL\_TransferCharacteristics(3type)

Colorspace transfer characteristics.

## NAME

SDL\_TransferCharacteristics - Colorspace transfer characteristics.

## HEADER FILE

Defined in SDL3/SDL\_pixels.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**typedef enum SDL\_TransferCharacteristics** **{**     **SDL\_TRANSFER\_CHARACTERISTICS\_UNKNOWN = 0,**     **SDL\_TRANSFER\_CHARACTERISTICS\_BT709 = 1,         /\*\*\< Rec. ITU-R BT.709-6 / ITU-R BT1361 \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_UNSPECIFIED = 2,**     **SDL\_TRANSFER\_CHARACTERISTICS\_GAMMA22 = 4,       /\*\*\< ITU-R BT.470-6 System M / ITU-R BT1700 625 PAL & SECAM \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_GAMMA28 = 5,       /\*\*\< ITU-R BT.470-6 System B, G \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_BT601 = 6,         /\*\*\< SMPTE ST 170M / ITU-R BT.601-7 525 or 625 \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_SMPTE240 = 7,      /\*\*\< SMPTE ST 240M \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_LINEAR = 8,**     **SDL\_TRANSFER\_CHARACTERISTICS\_LOG100 = 9,**     **SDL\_TRANSFER\_CHARACTERISTICS\_LOG100\_SQRT10 = 10,**     **SDL\_TRANSFER\_CHARACTERISTICS\_IEC61966 = 11,     /\*\*\< IEC 61966-2-4 \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_BT1361 = 12,       /\*\*\< ITU-R BT1361 Extended Colour Gamut \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_SRGB = 13,         /\*\*\< IEC 61966-2-1 (sRGB or sYCC) \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_BT2020\_10BIT = 14, /\*\*\< ITU-R BT2020 for 10-bit system \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_BT2020\_12BIT = 15, /\*\*\< ITU-R BT2020 for 12-bit system \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_PQ = 16,           /\*\*\< SMPTE ST 2084 for 10-, 12-, 14- and 16-bit systems \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_SMPTE428 = 17,     /\*\*\< SMPTE ST 428-1 \*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_HLG = 18,          /\*\*\< ARIB STD-B67, known as** *hybrid***log-gamma"***(HLG)***\*/**     **SDL\_TRANSFER\_CHARACTERISTICS\_CUSTOM = 31** **} SDL\_TransferCharacteristics;**

## DESCRIPTION

These are as described by https://www.itu.int/rec/T-REC-H.273-201612-S/en

## AVAILABILITY

This enum is available since SDL 3.2.0.