(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_MatrixCoefficients

Colorspace matrix coefficients.

Header File

Defined in <SDL3/SDL_pixels.h>

Syntax

typedef enum SDL_MatrixCoefficients
{
    SDL_MATRIX_COEFFICIENTS_IDENTITY = 0,
    SDL_MATRIX_COEFFICIENTS_BT709 = 1,              /**< ITU-R BT.709-6 */
    SDL_MATRIX_COEFFICIENTS_UNSPECIFIED = 2,
    SDL_MATRIX_COEFFICIENTS_FCC = 4,                /**< US FCC Title 47 */
    SDL_MATRIX_COEFFICIENTS_BT470BG = 5,            /**< ITU-R BT.470-6 System B, G / ITU-R BT.601-7 625, functionally the same as SDL_MATRIX_COEFFICIENTS_BT601 */
    SDL_MATRIX_COEFFICIENTS_BT601 = 6,              /**< ITU-R BT.601-7 525 */
    SDL_MATRIX_COEFFICIENTS_SMPTE240 = 7,           /**< SMPTE 240M */
    SDL_MATRIX_COEFFICIENTS_YCGCO = 8,
    SDL_MATRIX_COEFFICIENTS_BT2020_NCL = 9,         /**< ITU-R BT.2020-2 non-constant luminance */
    SDL_MATRIX_COEFFICIENTS_BT2020_CL = 10,         /**< ITU-R BT.2020-2 constant luminance */
    SDL_MATRIX_COEFFICIENTS_SMPTE2085 = 11,         /**< SMPTE ST 2085 */
    SDL_MATRIX_COEFFICIENTS_CHROMA_DERIVED_NCL = 12,
    SDL_MATRIX_COEFFICIENTS_CHROMA_DERIVED_CL = 13,
    SDL_MATRIX_COEFFICIENTS_ICTCP = 14,             /**< ITU-R BT.2100-0 ICTCP */
    SDL_MATRIX_COEFFICIENTS_CUSTOM = 31
} SDL_MatrixCoefficients;

Remarks

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

Version

This enum is available since SDL 3.1.3.

---

CategoryAPI, CategoryAPIEnum, CategoryPixels

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