| /* |
| * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, are permitted |
| * provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright notice, this list of |
| * conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright notice, this list of |
| * conditions and the following disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its contributors may be used to |
| * endorse or promote products derived from this software without specific prior written |
| * permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __COLOR_METADATA_H__ |
| #define __COLOR_METADATA_H__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #else |
| #include <stdbool.h> |
| #endif |
| #include <stdint.h> |
| |
| typedef enum ColorRange { |
| Range_Limited = 0, |
| Range_Full = 1, |
| Range_Max = 0xff, |
| } ColorRange; |
| |
| // The following values matches the HEVC spec |
| typedef enum ColorPrimaries { |
| // Unused = 0; |
| ColorPrimaries_BT709_5 = 1, // ITU-R BT.709-5 or equivalent |
| /* Unspecified = 2, Reserved = 3*/ |
| ColorPrimaries_BT470_6M = 4, // ITU-R BT.470-6 System M or equivalent |
| ColorPrimaries_BT601_6_625 = 5, // ITU-R BT.601-6 625 or equivalent |
| ColorPrimaries_BT601_6_525 = 6, // ITU-R BT.601-6 525 or equivalent |
| ColorPrimaries_SMPTE_240M = 7, // SMPTE_240M |
| ColorPrimaries_GenericFilm = 8, // Generic Film |
| ColorPrimaries_BT2020 = 9, // ITU-R BT.2020 or equivalent |
| ColorPrimaries_SMPTE_ST428 = 10, // SMPTE_240M |
| ColorPrimaries_AdobeRGB = 11, |
| ColorPrimaries_DCIP3 = 12, |
| ColorPrimaries_EBU3213 = 22, |
| ColorPrimaries_Max = 0xff, |
| } ColorPrimaries; |
| |
| typedef enum GammaTransfer { |
| // Unused = 0; |
| Transfer_sRGB = 1, // ITR-BT.709-5 |
| /* Unspecified = 2, Reserved = 3 */ |
| Transfer_Gamma2_2 = 4, |
| Transfer_Gamma2_8 = 5, |
| Transfer_SMPTE_170M = 6, // BT.601-6 525 or 625 |
| Transfer_SMPTE_240M = 7, // SMPTE_240M |
| Transfer_Linear = 8, |
| Transfer_Log = 9, |
| Transfer_Log_Sqrt = 10, |
| Transfer_XvYCC = 11, // IEC 61966-2-4 |
| Transfer_BT1361 = 12, // Rec.ITU-R BT.1361 extended gamut |
| Transfer_sYCC = 13, // IEC 61966-2-1 sRGB or sYCC |
| Transfer_BT2020_2_1 = 14, // Rec. ITU-R BT.2020-2 (same as the values 1, 6, and 15) |
| Transfer_BT2020_2_2 = 15, // Rec. ITU-R BT.2020-2 (same as the values 1, 6, and 14) |
| Transfer_SMPTE_ST2084 = 16, // 2084 |
| // transfers unlikely to be required by Android |
| Transfer_ST_428 = 17, // SMPTE ST 428-1 |
| Transfer_HLG = 18, // ARIB STD-B67 |
| Transfer_Max = 0xff, |
| } GammaTransfer; |
| |
| typedef enum MatrixCoEfficients { |
| MatrixCoEff_Identity = 0, |
| MatrixCoEff_BT709_5 = 1, |
| /* Unspecified = 2, Reserved = 3 */ |
| MatrixCoeff_FCC_73_682 = 4, |
| MatrixCoEff_BT601_6_625 = 5, |
| MatrixCoEff_BT601_6_525 = 6, |
| MatrixCoEff_SMPTE240M = 7, // used with 601_525_Unadjusted |
| MatrixCoEff_YCgCo = 8, |
| MatrixCoEff_BT2020 = 9, |
| MatrixCoEff_BT2020Constant = 10, |
| MatrixCoEff_BT601_6_Unadjusted = 11, // Used with BT601_625(KR=0.222, KB=0.071) |
| MatrixCoEff_DCIP3 = 12, |
| MatrixCoEff_Chroma_NonConstant = 13, |
| MatrixCoEff_Max = 0xff, |
| } MatrixCoEfficients; |
| |
| typedef struct Primaries { |
| uint32_t rgbPrimaries[3][2]; // unit 1/50000; |
| uint32_t whitePoint[2]; // unit 1/50000; |
| } Primaries; |
| |
| typedef struct MasteringDisplay { |
| bool colorVolumeSEIEnabled; |
| Primaries primaries; |
| uint32_t maxDisplayLuminance; // unit: cd/m^2. |
| uint32_t minDisplayLuminance; // unit: 1/10000 cd/m^2. |
| } MasteringDisplay; |
| |
| typedef struct ContentLightLevel { |
| bool lightLevelSEIEnabled; |
| uint32_t maxContentLightLevel; // unit: cd/m^2. |
| uint32_t minPicAverageLightLevel; // unit: 1/10000 cd/m^2. |
| } ContentLightLevel; |
| |
| typedef struct ColorRemappingInfo { |
| bool criEnabled; |
| uint32_t crId; |
| uint32_t crCancelFlag; |
| uint32_t crPersistenceFlag; |
| uint32_t crVideoSignalInfoPresentFlag; |
| uint32_t crRange; |
| ColorPrimaries crPrimaries; |
| GammaTransfer crTransferFunction; |
| MatrixCoEfficients crMatrixCoefficients; |
| uint32_t crInputBitDepth; |
| uint32_t crOutputBitDepth; |
| uint32_t crPreLutNumValMinusOne[3]; |
| uint32_t crPreLutCodedValue[3*33]; |
| uint32_t crPreLutTargetValue[3*33]; |
| uint32_t crMatrixPresentFlag; |
| uint32_t crLog2MatrixDenom; |
| int32_t crCoefficients[3*3]; |
| uint32_t crPostLutNumValMinusOne[3]; |
| uint32_t crPostLutCodedValue[3*33]; |
| uint32_t crPostLutTargetValue[3*33]; |
| } ColorRemappingInfo; |
| |
| #define HDR_DYNAMIC_META_DATA_SZ 1024 |
| typedef struct ColorMetaData { |
| // Default values based on sRGB, needs to be overridden in gralloc |
| // based on the format and size. |
| ColorPrimaries colorPrimaries; |
| ColorRange range; |
| GammaTransfer transfer; |
| MatrixCoEfficients matrixCoefficients; |
| |
| MasteringDisplay masteringDisplayInfo; |
| ContentLightLevel contentLightLevel; |
| ColorRemappingInfo cRI; |
| |
| // Dynamic meta data elements |
| bool dynamicMetaDataValid; |
| uint32_t dynamicMetaDataLen; |
| uint8_t dynamicMetaDataPayload[HDR_DYNAMIC_META_DATA_SZ]; |
| } ColorMetaData; |
| |
| typedef struct Color10Bit { |
| uint32_t R: 10; |
| uint32_t G: 10; |
| uint32_t B: 10; |
| uint32_t A: 2; |
| } Color10Bit; |
| |
| typedef struct Lut3d { |
| uint16_t dim; // dimension of each side of LUT cube (ex: 13, 17)in lutEntries |
| uint16_t gridSize; // number of elements in the gridEntries |
| /* Matrix ordering convension |
| for (b = 0; b < dim; b++) { |
| for (g = 0; g < dim; g++) { |
| for (r = 0; r < dim; r++) { |
| read/write [mR mG mB] associated w/ 3DLUT[r][g][b] to/from file |
| } |
| } |
| } */ |
| Color10Bit *lutEntries; |
| bool validLutEntries; // Indicates if entries are valid and can be used. |
| /* |
| The grid is a 1D LUT for each of the R,G,B channels that can be |
| used to apply an independent nonlinear transformation to each |
| channel before it is used as a coordinate for addressing |
| the uniform 3D LUT. This effectively creates a non-uniformly |
| sampled 3D LUT. This is useful for having independent control |
| of the sampling grid density along each dimension for greater |
| precision in spite of having a relatively small number of samples.i |
| */ |
| Color10Bit *gridEntries; |
| bool validGridEntries; // Indicates if entries are valid and can be used. |
| } Lut3d; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // __COLOR_METADATA_H__ |
