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Struct VideoColorTransfer

sealed struct VideoColorTransfer
Video Color Transfer Color Transfer characteristics map the color gamut to the screen signal Transfer function describes the electro-optical algorithm supported by the rendering capabilities of a device, independent of the display, to map the source colors in the decoded media into the colors to be displayed. Values 1-15 are taken from Table 3 of ISO/IEC 23001-8:2016 Values 16-18 are proposed to extend the standard values https://matroska.org/technical/elements.html

Fields

Constants

RESERVED_0

VideoColorTransfer = {0}
For future use by ITU-T | ISO/IEC

BT_709

VideoColorTransfer = {1}
Rec. ITU-R BT.709

UNSPECIFIED

VideoColorTransfer = {2}
Image characteristics are unknown or are determined by the application.

RESERVED_3

VideoColorTransfer = {3}
For future use by ITU-T | ISO/IEC

GAMMA_2_2

VideoColorTransfer = {4}
Rec. ITU-R BT.470-6 System M

GAMMA_2_8

VideoColorTransfer = {5}
Rec. ITU-R BT.470-6 System B, G

SMPTE_170M

VideoColorTransfer = {6}
SMPTE ST 170 (2004)

SMPTE_240M

VideoColorTransfer = {7}
SMPTE ST 240 (1999)

LINEAR

VideoColorTransfer = {8}
Linear transfer characteristics

LOG

VideoColorTransfer = {9}
Logarithmic transfer characteristic (100:1 range)

LOG_SQRT

VideoColorTransfer = {10}
Logarithmic transfer characteristic(100 * Sqrt( 10 ) : 1 range)

IEC_61966_2_4

VideoColorTransfer = {11}
IEC 61966-2-4

ITU_R_BT_1361

VideoColorTransfer = {12}
Rec. ITU-R BT.1361-0 extended colour gamut system

IEC_61966_2_1

VideoColorTransfer = {13}
IEC 61966-2-1 sRGB

BT2020_10_BIT

VideoColorTransfer = {14}
Rec. ITU-R BT.2020-2

BT2020_12_BIT

VideoColorTransfer = {15}
Rec. ITU-R BT.2020-2

SMPTE_BT2100_PQ

VideoColorTransfer = {16}
This is used by HDR10, HDR10+ and Dolby Vision SMPTE ST 2084 (2014) for 10-, 12-,14- and 16-bit systems

SMPTE_ST_428_1

VideoColorTransfer = {17}
SMPTE ST 428-1 (2019)

HLG

VideoColorTransfer = {18}
Rec. ITU-R BT.2100-2 hybrid loggamma (HLG) system aka. ARIB STD-B67

GAMMA_1_0

VideoColorTransfer = {19}
Linear TGB, Gamma 1.0 curve

GAMMA_1_8

VideoColorTransfer = {20}
Gamma 2.0 curve
Last modified on October 29, 2026