1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** \file TComTrQuant.h |
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35 | \brief transform and quantization class (header) |
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36 | */ |
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37 | |
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38 | #ifndef __TCOMTRQUANT__ |
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39 | #define __TCOMTRQUANT__ |
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40 | |
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41 | #include "CommonDef.h" |
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42 | #include "TComYuv.h" |
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43 | #include "TComDataCU.h" |
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44 | #include "TComChromaFormat.h" |
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45 | #include "ContextTables.h" |
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46 | |
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47 | //! \ingroup TLibCommon |
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48 | //! \{ |
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49 | |
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50 | // ==================================================================================================================== |
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51 | // Constants |
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52 | // ==================================================================================================================== |
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53 | |
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54 | #define QP_BITS 15 |
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55 | |
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56 | // ==================================================================================================================== |
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57 | // Type definition |
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58 | // ==================================================================================================================== |
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59 | |
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60 | typedef struct |
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61 | { |
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62 | Int significantCoeffGroupBits[NUM_SIG_CG_FLAG_CTX][2 /*Flag = [0|1]*/]; |
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63 | Int significantBits[NUM_SIG_FLAG_CTX][2 /*Flag = [0|1]*/]; |
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64 | Int lastXBits[MAX_NUM_CHANNEL_TYPE][LAST_SIGNIFICANT_GROUPS]; |
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65 | Int lastYBits[MAX_NUM_CHANNEL_TYPE][LAST_SIGNIFICANT_GROUPS]; |
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66 | Int m_greaterOneBits[NUM_ONE_FLAG_CTX][2 /*Flag = [0|1]*/]; |
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67 | Int m_levelAbsBits[NUM_ABS_FLAG_CTX][2 /*Flag = [0|1]*/]; |
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68 | |
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69 | Int blockCbpBits[NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET][2 /*Flag = [0|1]*/]; |
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70 | Int blockRootCbpBits[4][2 /*Flag = [0|1]*/]; |
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71 | |
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72 | Int golombRiceAdaptationStatistics[RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS]; |
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73 | } estBitsSbacStruct; |
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74 | |
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75 | // ==================================================================================================================== |
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76 | // Class definition |
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77 | // ==================================================================================================================== |
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78 | |
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79 | /// QP struct |
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80 | struct QpParam |
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81 | { |
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82 | Int Qp; |
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83 | Int per; |
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84 | Int rem; |
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85 | |
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86 | QpParam(const Int qpy, |
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87 | const ChannelType chType, |
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88 | const Int qpBdOffset, |
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89 | const Int chromaQPOffset, |
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90 | const ChromaFormat chFmt ); |
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91 | |
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92 | QpParam(const TComDataCU &cu, const ComponentID compID); |
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93 | |
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94 | }; // END STRUCT DEFINITION QpParam |
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95 | |
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96 | |
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97 | /// transform and quantization class |
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98 | class TComTrQuant |
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99 | { |
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100 | public: |
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101 | TComTrQuant(); |
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102 | ~TComTrQuant(); |
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103 | |
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104 | // initialize class |
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105 | Void init ( UInt uiMaxTrSize, |
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106 | Bool useRDOQ = false, |
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107 | Bool useRDOQTS = false, |
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108 | #if T0196_SELECTIVE_RDOQ |
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109 | Bool useSelectiveRDOQ = false, |
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110 | #endif |
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111 | Bool bEnc = false, |
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112 | Bool useTransformSkipFast = false |
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113 | #if ADAPTIVE_QP_SELECTION |
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114 | , Bool bUseAdaptQpSelect = false |
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115 | #endif |
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116 | ); |
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117 | |
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118 | // transform & inverse transform functions |
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119 | Void transformNxN( TComTU & rTu, |
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120 | const ComponentID compID, |
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121 | Pel * pcResidual, |
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122 | const UInt uiStride, |
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123 | TCoeff * rpcCoeff, |
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124 | #if ADAPTIVE_QP_SELECTION |
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125 | TCoeff * rpcArlCoeff, |
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126 | #endif |
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127 | TCoeff & uiAbsSum, |
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128 | const QpParam & cQP |
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129 | ); |
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130 | |
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131 | |
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132 | Void invTransformNxN( TComTU & rTu, |
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133 | const ComponentID compID, |
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134 | Pel *pcResidual, |
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135 | const UInt uiStride, |
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136 | TCoeff * pcCoeff, |
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137 | const QpParam & cQP |
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138 | DEBUG_STRING_FN_DECLAREP(psDebug)); |
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139 | |
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140 | Void invRecurTransformNxN ( const ComponentID compID, TComYuv *pResidual, TComTU &rTu ); |
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141 | |
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142 | Void rdpcmNxN ( TComTU& rTu, const ComponentID compID, Pel* pcResidual, const UInt uiStride, const QpParam& cQP, TCoeff* pcCoeff, TCoeff &uiAbsSum, RDPCMMode& rdpcmMode ); |
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143 | Void invRdpcmNxN( TComTU& rTu, const ComponentID compID, Pel* pcResidual, const UInt uiStride ); |
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144 | |
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145 | Void applyForwardRDPCM( TComTU& rTu, const ComponentID compID, Pel* pcResidual, const UInt uiStride, const QpParam& cQP, TCoeff* pcCoeff, TCoeff &uiAbsSum, const RDPCMMode mode ); |
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146 | |
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147 | // Misc functions |
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148 | |
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149 | #if RDOQ_CHROMA_LAMBDA |
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150 | Void setLambdas(const Double lambdas[MAX_NUM_COMPONENT]) { for (UInt component = 0; component < MAX_NUM_COMPONENT; component++) m_lambdas[component] = lambdas[component]; } |
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151 | Void selectLambda(const ComponentID compIdx) { m_dLambda = m_lambdas[compIdx]; } |
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152 | #else |
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153 | Void setLambda(Double dLambda) { m_dLambda = dLambda;} |
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154 | #endif |
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155 | Void setRDOQOffset( UInt uiRDOQOffset ) { m_uiRDOQOffset = uiRDOQOffset; } |
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156 | |
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157 | estBitsSbacStruct* m_pcEstBitsSbac; |
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158 | |
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159 | static Int calcPatternSigCtx( const UInt* sigCoeffGroupFlag, UInt uiCGPosX, UInt uiCGPosY, UInt widthInGroups, UInt heightInGroups ); |
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160 | |
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161 | static Int getSigCtxInc ( Int patternSigCtx, |
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162 | const TUEntropyCodingParameters &codingParameters, |
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163 | const Int scanPosition, |
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164 | const Int log2BlockWidth, |
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165 | const Int log2BlockHeight, |
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166 | const ChannelType chanType |
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167 | ); |
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168 | |
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169 | static UInt getSigCoeffGroupCtxInc (const UInt* uiSigCoeffGroupFlag, |
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170 | const UInt uiCGPosX, |
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171 | const UInt uiCGPosY, |
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172 | const UInt widthInGroups, |
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173 | const UInt heightInGroups); |
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174 | |
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175 | Void initScalingList (); |
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176 | Void destroyScalingList (); |
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177 | Void setErrScaleCoeff ( UInt list, UInt size, Int qp, const Int maxLog2TrDynamicRange[MAX_NUM_CHANNEL_TYPE], const BitDepths &bitDepths ); |
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178 | Double* getErrScaleCoeff ( UInt list, UInt size, Int qp ) { return m_errScale [size][list][qp]; }; //!< get Error Scale Coefficent |
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179 | Double& getErrScaleCoeffNoScalingList ( UInt list, UInt size, Int qp ) { return m_errScaleNoScalingList[size][list][qp]; }; //!< get Error Scale Coefficent |
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180 | Int* getQuantCoeff ( UInt list, Int qp, UInt size ) { return m_quantCoef [size][list][qp]; }; //!< get Quant Coefficent |
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181 | Int* getDequantCoeff ( UInt list, Int qp, UInt size ) { return m_dequantCoef [size][list][qp]; }; //!< get DeQuant Coefficent |
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182 | Void setUseScalingList ( Bool bUseScalingList){ m_scalingListEnabledFlag = bUseScalingList; }; |
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183 | Bool getUseScalingList (const UInt width, const UInt height, const Bool isTransformSkip){ return m_scalingListEnabledFlag && (!isTransformSkip || ((width == 4) && (height == 4))); }; |
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184 | Void setFlatScalingList (const Int maxLog2TrDynamicRange[MAX_NUM_CHANNEL_TYPE], const BitDepths &bitDepths); |
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185 | Void xsetFlatScalingList ( UInt list, UInt size, Int qp); |
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186 | Void xSetScalingListEnc ( TComScalingList *scalingList, UInt list, UInt size, Int qp); |
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187 | Void xSetScalingListDec ( const TComScalingList &scalingList, UInt list, UInt size, Int qp); |
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188 | Void setScalingList ( TComScalingList *scalingList, const Int maxLog2TrDynamicRange[MAX_NUM_CHANNEL_TYPE], const BitDepths &bitDepths); |
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189 | Void setScalingListDec ( const TComScalingList &scalingList); |
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190 | Void processScalingListEnc( Int *coeff, Int *quantcoeff, Int quantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc); |
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191 | Void processScalingListDec( const Int *coeff, Int *dequantcoeff, Int invQuantScales, UInt height, UInt width, UInt ratio, Int sizuNum, UInt dc); |
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192 | #if ADAPTIVE_QP_SELECTION |
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193 | Void initSliceQpDelta() ; |
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194 | Void storeSliceQpNext(TComSlice* pcSlice); |
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195 | Void clearSliceARLCnt(); |
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196 | Int getQpDelta(Int qp) { return m_qpDelta[qp]; } |
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197 | Int* getSliceNSamples(){ return m_sliceNsamples ;} |
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198 | Double* getSliceSumC() { return m_sliceSumC; } |
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199 | #endif |
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200 | Void transformSkipQuantOneSample(TComTU &rTu, const ComponentID compID, const TCoeff resiDiff, TCoeff* pcCoeff, const UInt uiPos, const QpParam &cQP, const Bool bUseHalfRoundingPoint); |
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201 | Void invTrSkipDeQuantOneSample(TComTU &rTu, ComponentID compID, TCoeff pcCoeff, Pel &reconSample, const QpParam &cQP, UInt uiPos ); |
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202 | |
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203 | protected: |
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204 | #if ADAPTIVE_QP_SELECTION |
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205 | Int m_qpDelta[MAX_QP+1]; |
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206 | Int m_sliceNsamples[LEVEL_RANGE+1]; |
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207 | Double m_sliceSumC[LEVEL_RANGE+1] ; |
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208 | #endif |
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209 | TCoeff* m_plTempCoeff; |
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210 | |
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211 | // QpParam m_cQP; - removed - placed on the stack. |
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212 | #if RDOQ_CHROMA_LAMBDA |
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213 | Double m_lambdas[MAX_NUM_COMPONENT]; |
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214 | #endif |
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215 | Double m_dLambda; |
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216 | UInt m_uiRDOQOffset; |
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217 | UInt m_uiMaxTrSize; |
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218 | Bool m_bEnc; |
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219 | Bool m_useRDOQ; |
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220 | Bool m_useRDOQTS; |
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221 | #if T0196_SELECTIVE_RDOQ |
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222 | Bool m_useSelectiveRDOQ; |
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223 | #endif |
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224 | #if ADAPTIVE_QP_SELECTION |
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225 | Bool m_bUseAdaptQpSelect; |
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226 | #endif |
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227 | Bool m_useTransformSkipFast; |
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228 | |
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229 | Bool m_scalingListEnabledFlag; |
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230 | |
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231 | Int *m_quantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4 |
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232 | Int *m_dequantCoef [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of dequantization matrix coefficient 4x4 |
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233 | Double *m_errScale [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4 |
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234 | Double m_errScaleNoScalingList[SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM][SCALING_LIST_REM_NUM]; ///< array of quantization matrix coefficient 4x4 |
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235 | |
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236 | private: |
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237 | // forward Transform |
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238 | Void xT ( const Int channelBitDepth, Bool useDST, Pel* piBlkResi, UInt uiStride, TCoeff* psCoeff, Int iWidth, Int iHeight, const Int maxLog2TrDynamicRange ); |
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239 | |
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240 | // skipping Transform |
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241 | Void xTransformSkip ( Pel* piBlkResi, UInt uiStride, TCoeff* psCoeff, TComTU &rTu, const ComponentID component ); |
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242 | |
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243 | Void signBitHidingHDQ( TCoeff* pQCoef, TCoeff* pCoef, TCoeff* deltaU, const TUEntropyCodingParameters &codingParameters, const Int maxLog2TrDynamicRange ); |
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244 | |
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245 | // quantization |
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246 | Void xQuant( TComTU &rTu, |
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247 | TCoeff * pSrc, |
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248 | TCoeff * pDes, |
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249 | #if ADAPTIVE_QP_SELECTION |
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250 | TCoeff *pArlDes, |
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251 | #endif |
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252 | TCoeff &uiAbsSum, |
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253 | const ComponentID compID, |
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254 | const QpParam &cQP ); |
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255 | |
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256 | #if T0196_SELECTIVE_RDOQ |
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257 | Bool xNeedRDOQ( TComTU &rTu, |
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258 | TCoeff * pSrc, |
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259 | const ComponentID compID, |
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260 | const QpParam &cQP ); |
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261 | #endif |
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262 | |
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263 | // RDOQ functions |
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264 | |
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265 | Void xRateDistOptQuant ( TComTU &rTu, |
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266 | TCoeff * plSrcCoeff, |
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267 | TCoeff * piDstCoeff, |
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268 | #if ADAPTIVE_QP_SELECTION |
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269 | TCoeff *piArlDstCoeff, |
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270 | #endif |
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271 | TCoeff &uiAbsSum, |
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272 | const ComponentID compID, |
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273 | const QpParam &cQP ); |
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274 | |
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275 | __inline UInt xGetCodedLevel ( Double& rd64CodedCost, |
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276 | Double& rd64CodedCost0, |
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277 | Double& rd64CodedCostSig, |
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278 | Intermediate_Int lLevelDouble, |
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279 | UInt uiMaxAbsLevel, |
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280 | UShort ui16CtxNumSig, |
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281 | UShort ui16CtxNumOne, |
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282 | UShort ui16CtxNumAbs, |
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283 | UShort ui16AbsGoRice, |
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284 | UInt c1Idx, |
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285 | UInt c2Idx, |
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286 | Int iQBits, |
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287 | Double errorScale, |
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288 | Bool bLast, |
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289 | Bool useLimitedPrefixLength, |
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290 | const Int maxLog2TrDynamicRange |
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291 | ) const; |
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292 | |
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293 | |
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294 | __inline Int xGetICRate ( const UInt uiAbsLevel, |
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295 | const UShort ui16CtxNumOne, |
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296 | const UShort ui16CtxNumAbs, |
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297 | const UShort ui16AbsGoRice, |
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298 | const UInt c1Idx, |
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299 | const UInt c2Idx, |
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300 | const Bool useLimitedPrefixLength, |
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301 | const Int maxLog2TrDynamicRange |
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302 | ) const; |
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303 | |
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304 | __inline Double xGetRateLast ( const UInt uiPosX, const UInt uiPosY, const ComponentID component ) const; |
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305 | __inline Double xGetRateSigCoeffGroup( UShort uiSignificanceCoeffGroup, UShort ui16CtxNumSig ) const; |
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306 | __inline Double xGetRateSigCoef ( UShort uiSignificance, UShort ui16CtxNumSig ) const; |
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307 | __inline Double xGetICost ( Double dRate ) const; |
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308 | __inline Double xGetIEPRate ( ) const; |
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309 | |
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310 | |
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311 | // dequantization |
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312 | Void xDeQuant( TComTU &rTu, |
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313 | const TCoeff * pSrc, |
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314 | TCoeff * pDes, |
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315 | const ComponentID compID, |
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316 | const QpParam &cQP ); |
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317 | |
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318 | // inverse transform |
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319 | Void xIT ( const Int channelBitDepth, Bool useDST, TCoeff* plCoef, Pel* pResidual, UInt uiStride, Int iWidth, Int iHeight, const Int maxLog2TrDynamicRange ); |
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320 | |
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321 | // inverse skipping transform |
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322 | Void xITransformSkip ( TCoeff* plCoef, Pel* pResidual, UInt uiStride, TComTU &rTu, const ComponentID component ); |
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323 | |
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324 | public: |
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325 | static Void crossComponentPrediction( TComTU &rTu, |
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326 | const ComponentID compID, |
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327 | const Pel *piResiL, |
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328 | const Pel *piResiC, |
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329 | Pel *piResiT, |
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330 | const Int width, |
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331 | const Int height, |
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332 | const Int strideL, |
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333 | const Int strideC, |
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334 | const Int strideT, |
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335 | const Bool reverse); |
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336 | |
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337 | };// END CLASS DEFINITION TComTrQuant |
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338 | |
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339 | //! \} |
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340 | |
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341 | #endif // __TCOMTRQUANT__ |
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