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eAVEncVideoColorTransferFunction Enumeration

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Microsoft DirectShow 9.0

eAVEncVideoColorTransferFunction Enumeration

Specifies the conversion function from R'G'B' to RGB. This enumeration is used with the AVEncVideoInputColorTransferFunction and AVEncVideoOutputColorTransferFunction properties.

Syntax

enum eAVEncVideoColorTransferFunction {
    eAVEncVideoColorTransferFunction_SameAsSource = 0,
    eAVEncVideoColorTransferFunction_10           = 1,
    eAVEncVideoColorTransferFunction_18           = 2,
    eAVEncVideoColorTransferFunction_20           = 3,
    eAVEncVideoColorTransferFunction_22           = 4,
    eAVEncVideoColorTransferFunction_22_709       = 5,
    eAVEncVideoColorTransferFunction_22_240M      = 6,
    eAVEncVideoColorTransferFunction_22_8bit_sRGB = 7,
    eAVEncVideoColorTransferFunction_28           = 8
};

Members

eAVEncVideoColorTransferFunction_SameAsSource

Use the same function as the input video. This flag applies to the AVEncVideoOutputColorTransferFunction property only.

eAVEncVideoColorTransferFunction_10

Linear RGB (gamma = 1.0).

eAVEncVideoColorTransferFunction_18

True 1.8 gamma. L' = L1/1.8.

eAVEncVideoColorTransferFunction_20

True 2.0 gamma. L' = L1/2.0..

eAVEncVideoColorTransferFunction_22

True 2.2 gamma. L' = L1/2.2..

eAVEncVideoColorTransferFunction_22_709

Gamma 2.2 curve with a linear segment in the lower range. L' = 4.5L, for L < 0.018; L' = 1.099L0.45.- 0.099, for L >= 0.018. This transfer function is used in BT-709, SMPTE 296M, SMPTE 170M, BT-470, and SPMTE 274M.

eAVEncVideoColorTransferFunction_22_240M

Gamma 2.2 curve with a linear segment in the lower range. L' = 4.0L, for L < 0.0228; L' = 1.1115L0.45.- 0.01115, for L >= 0.0228. This transfer function is used in SPMTE 240M.

eAVEncVideoColorTransferFunction_22_8bit_sRGB

Gamma 2.4 curve with a linear segment in the lower range. L' = L/12.92, for L < 0.03928; L' = ((L + 0.055) / 1.055)2.4., for L >= 0.03928.

eAVEncVideoColorTransferFunction_28

True 2.8 gamma. L' = L1/2.8..

Requirements

Header: Include codecapi.h.

See Also