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) 2010-2017, 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 TEncSlice.cpp |
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35 | \brief slice encoder class |
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36 | */ |
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37 | |
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38 | #include "TEncTop.h" |
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39 | #include "TEncSlice.h" |
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40 | #include <math.h> |
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41 | |
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42 | //! \ingroup TLibEncoder |
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43 | //! \{ |
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44 | |
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45 | // ==================================================================================================================== |
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46 | // Constructor / destructor / create / destroy |
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47 | // ==================================================================================================================== |
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48 | TEncSlice::TEncSlice() |
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49 | : m_encCABACTableIdx(I_SLICE) |
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50 | { |
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51 | } |
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52 | |
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53 | TEncSlice::~TEncSlice() |
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54 | { |
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55 | destroy(); |
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56 | } |
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57 | |
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58 | Void TEncSlice::create( Int iWidth, Int iHeight, ChromaFormat chromaFormat, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth ) |
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59 | { |
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60 | // create prediction picture |
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61 | m_picYuvPred.create( iWidth, iHeight, chromaFormat, iMaxCUWidth, iMaxCUHeight, uhTotalDepth, true ); |
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62 | |
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63 | // create residual picture |
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64 | m_picYuvResi.create( iWidth, iHeight, chromaFormat, iMaxCUWidth, iMaxCUHeight, uhTotalDepth, true ); |
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65 | } |
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66 | |
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67 | Void TEncSlice::destroy() |
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68 | { |
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69 | m_picYuvPred.destroy(); |
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70 | m_picYuvResi.destroy(); |
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71 | |
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72 | // free lambda and QP arrays |
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73 | m_vdRdPicLambda.clear(); |
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74 | m_vdRdPicQp.clear(); |
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75 | m_viRdPicQp.clear(); |
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76 | } |
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77 | |
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78 | Void TEncSlice::init( TEncTop* pcEncTop ) |
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79 | { |
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80 | m_pcCfg = pcEncTop; |
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81 | m_pcListPic = pcEncTop->getListPic(); |
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82 | |
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83 | m_pcGOPEncoder = pcEncTop->getGOPEncoder(); |
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84 | m_pcCuEncoder = pcEncTop->getCuEncoder(); |
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85 | m_pcPredSearch = pcEncTop->getPredSearch(); |
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86 | |
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87 | m_pcEntropyCoder = pcEncTop->getEntropyCoder(); |
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88 | m_pcSbacCoder = pcEncTop->getSbacCoder(); |
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89 | m_pcBinCABAC = pcEncTop->getBinCABAC(); |
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90 | m_pcTrQuant = pcEncTop->getTrQuant(); |
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91 | |
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92 | m_pcRdCost = pcEncTop->getRdCost(); |
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93 | m_pppcRDSbacCoder = pcEncTop->getRDSbacCoder(); |
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94 | m_pcRDGoOnSbacCoder = pcEncTop->getRDGoOnSbacCoder(); |
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95 | |
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96 | // create lambda and QP arrays |
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97 | m_vdRdPicLambda.resize(m_pcCfg->getDeltaQpRD() * 2 + 1 ); |
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98 | m_vdRdPicQp.resize( m_pcCfg->getDeltaQpRD() * 2 + 1 ); |
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99 | m_viRdPicQp.resize( m_pcCfg->getDeltaQpRD() * 2 + 1 ); |
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100 | #if KWU_RC_MADPRED_E0227 |
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101 | if(m_pcCfg->getUseRateCtrl()) |
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102 | { |
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103 | m_pcRateCtrl = pcEncTop->getRateCtrl(); |
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104 | } |
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105 | else |
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106 | { |
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107 | m_pcRateCtrl = NULL; |
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108 | } |
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109 | #else |
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110 | m_pcRateCtrl = pcEncTop->getRateCtrl(); |
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111 | #endif |
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112 | |
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113 | } |
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114 | |
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115 | Void TEncSlice::updateLambda(TComSlice* pSlice, Double dQP) |
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116 | { |
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117 | Int iQP = (Int)dQP; |
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118 | Double dLambda = calculateLambda(pSlice, m_gopID, pSlice->getDepth(), pSlice->getSliceQp(), dQP, iQP); |
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119 | |
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120 | setUpLambda(pSlice, dLambda, iQP); |
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121 | } |
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122 | |
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123 | |
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124 | Void |
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125 | TEncSlice::setUpLambda(TComSlice* slice, const Double dLambda, Int iQP) |
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126 | { |
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127 | // store lambda |
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128 | m_pcRdCost ->setLambda( dLambda, slice->getSPS()->getBitDepths() ); |
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129 | |
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130 | // for RDO |
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131 | // in RdCost there is only one lambda because the luma and chroma bits are not separated, instead we weight the distortion of chroma. |
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132 | Double dLambdas[MAX_NUM_COMPONENT] = { dLambda }; |
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133 | for(UInt compIdx=1; compIdx<MAX_NUM_COMPONENT; compIdx++) |
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134 | { |
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135 | const ComponentID compID=ComponentID(compIdx); |
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136 | Int chromaQPOffset = slice->getPPS()->getQpOffset(compID) + slice->getSliceChromaQpDelta(compID); |
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137 | Int qpc=(iQP + chromaQPOffset < 0) ? iQP : getScaledChromaQP(iQP + chromaQPOffset, m_pcCfg->getChromaFormatIdc()); |
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138 | Double tmpWeight = pow( 2.0, (iQP-qpc)/3.0 ); // takes into account of the chroma qp mapping and chroma qp Offset |
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139 | m_pcRdCost->setDistortionWeight(compID, tmpWeight); |
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140 | dLambdas[compIdx]=dLambda/tmpWeight; |
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141 | } |
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142 | |
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143 | #if RDOQ_CHROMA_LAMBDA |
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144 | // for RDOQ |
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145 | m_pcTrQuant->setLambdas( dLambdas ); |
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146 | #else |
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147 | m_pcTrQuant->setLambda( dLambda ); |
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148 | #endif |
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149 | |
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150 | // For SAO |
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151 | slice ->setLambdas( dLambdas ); |
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152 | } |
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153 | |
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154 | |
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155 | |
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156 | /** |
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157 | - non-referenced frame marking |
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158 | - QP computation based on temporal structure |
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159 | - lambda computation based on QP |
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160 | - set temporal layer ID and the parameter sets |
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161 | . |
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162 | \param pcPic picture class |
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163 | \param pocLast POC of last picture |
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164 | \param pocCurr current POC |
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165 | \param iNumPicRcvd number of received pictures |
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166 | \param iGOPid POC offset for hierarchical structure |
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167 | \param rpcSlice slice header class |
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168 | \param isField true for field coding |
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169 | */ |
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170 | |
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171 | #if NH_MV |
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172 | Void TEncSlice::initEncSlice( TComPic* pcPic, Int pocLast, Int pocCurr, Int iGOPid, TComSlice*& rpcSlice, TComVPS* pVPS, Int layerId, bool isField ) |
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173 | #else |
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174 | Void TEncSlice::initEncSlice( TComPic* pcPic, const Int pocLast, const Int pocCurr, const Int iGOPid, TComSlice*& rpcSlice, const Bool isField ) |
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175 | #endif |
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176 | { |
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177 | Double dQP; |
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178 | Double dLambda; |
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179 | |
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180 | rpcSlice = pcPic->getSlice(0); |
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181 | |
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182 | #if NH_MV |
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183 | rpcSlice->setVPS( pVPS ); |
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184 | |
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185 | rpcSlice->setLayerId ( layerId ); |
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186 | rpcSlice->setViewId ( pVPS->getViewId ( layerId ) ); |
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187 | rpcSlice->setViewIndex ( pVPS->getViewIndex ( layerId ) ); |
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188 | #if NH_3D |
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189 | rpcSlice->setIsDepth ( pVPS->getDepthId ( layerId ) != 0 ); |
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190 | #endif |
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191 | #endif |
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192 | rpcSlice->setSliceBits(0); |
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193 | rpcSlice->setPic( pcPic ); |
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194 | rpcSlice->initSlice(); |
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195 | rpcSlice->setPicOutputFlag( true ); |
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196 | rpcSlice->setPOC( pocCurr ); |
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197 | pcPic->setField(isField); |
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198 | m_gopID = iGOPid; |
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199 | |
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200 | #if NH_3D |
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201 | rpcSlice->setApplyIC( false ); |
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202 | #endif |
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203 | // depth computation based on GOP size |
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204 | Int depth; |
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205 | { |
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206 | |
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207 | Int poc = rpcSlice->getPOC(); |
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208 | if(isField) |
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209 | { |
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210 | poc = (poc/2) % (m_pcCfg->getGOPSize()/2); |
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211 | } |
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212 | else |
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213 | { |
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214 | poc = poc % m_pcCfg->getGOPSize(); |
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215 | } |
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216 | if ( poc == 0 ) |
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217 | { |
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218 | depth = 0; |
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219 | } |
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220 | else |
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221 | { |
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222 | Int step = m_pcCfg->getGOPSize(); |
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223 | depth = 0; |
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224 | for( Int i=step>>1; i>=1; i>>=1 ) |
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225 | { |
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226 | for ( Int j=i; j<m_pcCfg->getGOPSize(); j+=step ) |
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227 | { |
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228 | if ( j == poc ) |
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229 | { |
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230 | i=0; |
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231 | break; |
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232 | } |
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233 | } |
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234 | step >>= 1; |
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235 | depth++; |
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236 | } |
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237 | } |
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238 | |
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239 | if(m_pcCfg->getHarmonizeGopFirstFieldCoupleEnabled() && poc != 0) |
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240 | { |
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241 | if (isField && ((rpcSlice->getPOC() % 2) == 1)) |
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242 | { |
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243 | depth ++; |
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244 | } |
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245 | } |
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246 | } |
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247 | |
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248 | // slice type |
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249 | #if NH_MV |
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250 | SliceType eSliceTypeBaseView; |
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251 | if( pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0 ) |
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252 | { |
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253 | eSliceTypeBaseView = I_SLICE; |
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254 | } |
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255 | else |
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256 | { |
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257 | eSliceTypeBaseView = B_SLICE; |
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258 | } |
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259 | SliceType eSliceType = eSliceTypeBaseView; |
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260 | if( eSliceTypeBaseView == I_SLICE && m_pcCfg->getGOPEntry(MAX_GOP).m_POC == 0 && m_pcCfg->getGOPEntry(MAX_GOP).m_sliceType != 'I' ) |
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261 | { |
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262 | eSliceType = B_SLICE; |
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263 | } |
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264 | m_eSliceTypeBaseView = eSliceTypeBaseView; |
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265 | #else |
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266 | SliceType eSliceType; |
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267 | |
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268 | eSliceType=B_SLICE; |
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269 | if(!(isField && pocLast == 1) || !m_pcCfg->getEfficientFieldIRAPEnabled()) |
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270 | { |
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271 | if(m_pcCfg->getDecodingRefreshType() == 3) |
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272 | { |
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273 | eSliceType = (pocLast == 0 || pocCurr % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; |
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274 | } |
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275 | else |
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276 | { |
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277 | eSliceType = (pocLast == 0 || (pocCurr - (isField ? 1 : 0)) % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; |
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278 | } |
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279 | } |
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280 | #endif |
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281 | rpcSlice->setSliceType ( eSliceType ); |
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282 | |
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283 | // ------------------------------------------------------------------------------------------------------------------ |
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284 | // Non-referenced frame marking |
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285 | // ------------------------------------------------------------------------------------------------------------------ |
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286 | |
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287 | if(pocLast == 0) |
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288 | { |
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289 | rpcSlice->setTemporalLayerNonReferenceFlag(false); |
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290 | } |
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291 | else |
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292 | { |
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293 | #if NH_MV |
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294 | #if 0 // Check this! NH_MV |
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295 | rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_refPic); |
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296 | #else |
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297 | rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry(iGOPid).m_refPic); |
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298 | #endif |
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299 | #else |
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300 | rpcSlice->setTemporalLayerNonReferenceFlag(!m_pcCfg->getGOPEntry(iGOPid).m_refPic); |
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301 | #endif |
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302 | } |
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303 | rpcSlice->setReferenced(true); |
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304 | |
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305 | // ------------------------------------------------------------------------------------------------------------------ |
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306 | // QP setting |
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307 | // ------------------------------------------------------------------------------------------------------------------ |
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308 | |
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309 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
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310 | dQP = m_pcCfg->getQPForPicture(iGOPid, rpcSlice); |
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311 | #else |
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312 | dQP = m_pcCfg->getQP(); |
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313 | if(eSliceType!=I_SLICE) |
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314 | { |
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315 | if (!(( m_pcCfg->getMaxDeltaQP() == 0) && (!m_pcCfg->getLumaLevelToDeltaQPMapping().isEnabled()) && (dQP == -rpcSlice->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA) ) && (rpcSlice->getPPS()->getTransquantBypassEnabledFlag()))) |
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316 | { |
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317 | #if NH_MV |
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318 | dQP += m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_QPOffset; |
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319 | #else |
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320 | dQP += m_pcCfg->getGOPEntry(iGOPid).m_QPOffset; |
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321 | #endif |
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322 | } |
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323 | } |
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324 | |
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325 | // modify QP |
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326 | const Int* pdQPs = m_pcCfg->getdQPs(); |
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327 | if ( pdQPs ) |
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328 | { |
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329 | dQP += pdQPs[ rpcSlice->getPOC() ]; |
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330 | } |
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331 | |
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332 | if (m_pcCfg->getCostMode()==COST_LOSSLESS_CODING) |
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333 | { |
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334 | dQP=LOSSLESS_AND_MIXED_LOSSLESS_RD_COST_TEST_QP; |
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335 | m_pcCfg->setDeltaQpRD(0); |
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336 | } |
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337 | #endif |
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338 | |
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339 | // ------------------------------------------------------------------------------------------------------------------ |
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340 | // Lambda computation |
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341 | // ------------------------------------------------------------------------------------------------------------------ |
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342 | |
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343 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
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344 | #if NH_MV |
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345 | const Int temporalId=m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_temporalId; |
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346 | #else |
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347 | const Int temporalId=m_pcCfg->getGOPEntry(iGOPid).m_temporalId; |
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348 | #endif |
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349 | #endif |
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350 | |
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351 | Int iQP; |
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352 | Double dOrigQP = dQP; |
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353 | |
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354 | // pre-compute lambda and QP values for all possible QP candidates |
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355 | for ( Int iDQpIdx = 0; iDQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; iDQpIdx++ ) |
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356 | { |
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357 | // compute QP value |
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358 | dQP = dOrigQP + ((iDQpIdx+1)>>1)*(iDQpIdx%2 ? -1 : 1); |
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359 | |
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360 | dLambda = calculateLambda(rpcSlice, iGOPid, depth, dQP, dQP, iQP ); |
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361 | |
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362 | m_vdRdPicLambda[iDQpIdx] = dLambda; |
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363 | m_vdRdPicQp [iDQpIdx] = dQP; |
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364 | m_viRdPicQp [iDQpIdx] = iQP; |
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365 | } |
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366 | |
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367 | // obtain dQP = 0 case |
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368 | dLambda = m_vdRdPicLambda[0]; |
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369 | dQP = m_vdRdPicQp [0]; |
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370 | iQP = m_viRdPicQp [0]; |
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371 | |
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372 | |
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373 | #if !X0038_LAMBDA_FROM_QP_CAPABILITY |
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374 | #if NH_MV |
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375 | const Int temporalId=m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_temporalId; |
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376 | #else |
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377 | const Int temporalId=m_pcCfg->getGOPEntry(iGOPid).m_temporalId; |
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378 | #endif |
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379 | const std::vector<Double> &intraLambdaModifiers=m_pcCfg->getIntraLambdaModifier(); |
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380 | #endif |
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381 | |
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382 | if(rpcSlice->getPPS()->getSliceChromaQpFlag()) |
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383 | { |
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384 | const Bool bUseIntraOrPeriodicOffset = rpcSlice->getSliceType()==I_SLICE || (m_pcCfg->getSliceChromaOffsetQpPeriodicity()!=0 && (rpcSlice->getPOC()%m_pcCfg->getSliceChromaOffsetQpPeriodicity())==0); |
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385 | Int cbQP = bUseIntraOrPeriodicOffset? m_pcCfg->getSliceChromaOffsetQpIntraOrPeriodic(false) : m_pcCfg->getGOPEntry(iGOPid).m_CbQPoffset; |
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386 | Int crQP = bUseIntraOrPeriodicOffset? m_pcCfg->getSliceChromaOffsetQpIntraOrPeriodic(true) : m_pcCfg->getGOPEntry(iGOPid).m_CrQPoffset; |
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387 | |
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388 | cbQP = Clip3( -12, 12, cbQP + rpcSlice->getPPS()->getQpOffset(COMPONENT_Cb) ) - rpcSlice->getPPS()->getQpOffset(COMPONENT_Cb); |
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389 | crQP = Clip3( -12, 12, crQP + rpcSlice->getPPS()->getQpOffset(COMPONENT_Cr) ) - rpcSlice->getPPS()->getQpOffset(COMPONENT_Cr); |
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390 | rpcSlice->setSliceChromaQpDelta(COMPONENT_Cb, Clip3( -12, 12, cbQP)); |
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391 | assert(rpcSlice->getSliceChromaQpDelta(COMPONENT_Cb)+rpcSlice->getPPS()->getQpOffset(COMPONENT_Cb)<=12 && rpcSlice->getSliceChromaQpDelta(COMPONENT_Cb)+rpcSlice->getPPS()->getQpOffset(COMPONENT_Cb)>=-12); |
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392 | rpcSlice->setSliceChromaQpDelta(COMPONENT_Cr, Clip3( -12, 12, crQP)); |
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393 | assert(rpcSlice->getSliceChromaQpDelta(COMPONENT_Cr)+rpcSlice->getPPS()->getQpOffset(COMPONENT_Cr)<=12 && rpcSlice->getSliceChromaQpDelta(COMPONENT_Cr)+rpcSlice->getPPS()->getQpOffset(COMPONENT_Cr)>=-12); |
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394 | } |
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395 | else |
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396 | { |
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397 | rpcSlice->setSliceChromaQpDelta( COMPONENT_Cb, 0 ); |
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398 | rpcSlice->setSliceChromaQpDelta( COMPONENT_Cr, 0 ); |
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399 | } |
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400 | |
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401 | #if !X0038_LAMBDA_FROM_QP_CAPABILITY |
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402 | Double lambdaModifier; |
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403 | if( rpcSlice->getSliceType( ) != I_SLICE || intraLambdaModifiers.empty()) |
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404 | { |
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405 | lambdaModifier = m_pcCfg->getLambdaModifier( temporalId ); |
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406 | } |
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407 | else |
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408 | { |
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409 | lambdaModifier = intraLambdaModifiers[ (temporalId < intraLambdaModifiers.size()) ? temporalId : (intraLambdaModifiers.size()-1) ]; |
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410 | } |
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411 | |
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412 | dLambda *= lambdaModifier; |
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413 | #endif |
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414 | |
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415 | setUpLambda(rpcSlice, dLambda, iQP); |
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416 | |
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417 | #if NH_3D_VSO |
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418 | m_pcRdCost->setUseLambdaScaleVSO ( (m_pcCfg->getUseVSO() || m_pcCfg->getForceLambdaScaleVSO()) && ( m_pcCfg->getIsDepth() || m_pcCfg->getIsAuxDepth() ) ); |
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419 | m_pcRdCost->setLambdaVSO ( dLambda * m_pcCfg->getLambdaScaleVSO() ); |
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420 | |
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421 | // Should be moved to TEncTop |
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422 | |
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423 | // SAIT_VSO_EST_A0033 |
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424 | m_pcRdCost->setDisparityCoeff( m_pcCfg->getDispCoeff() ); |
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425 | |
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426 | // LGE_WVSO_A0119 |
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427 | if( m_pcCfg->getUseWVSO() && ( m_pcCfg->getIsDepth() || m_pcCfg->getIsAuxDepth() ) ) |
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428 | { |
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429 | m_pcRdCost->setDWeight ( m_pcCfg->getDWeight() ); |
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430 | m_pcRdCost->setVSOWeight( m_pcCfg->getVSOWeight() ); |
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431 | m_pcRdCost->setVSDWeight( m_pcCfg->getVSDWeight() ); |
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432 | } |
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433 | |
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434 | #endif |
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435 | |
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436 | if (m_pcCfg->getFastMEForGenBLowDelayEnabled()) |
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437 | { |
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438 | // restore original slice type |
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439 | #if NH_MV |
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440 | eSliceType = eSliceTypeBaseView; |
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441 | if( eSliceTypeBaseView == I_SLICE && m_pcCfg->getGOPEntry(MAX_GOP).m_POC == 0 && m_pcCfg->getGOPEntry(MAX_GOP).m_sliceType != 'I' ) |
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442 | { |
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443 | eSliceType = B_SLICE; |
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444 | } |
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445 | #else |
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446 | if(!(isField && pocLast == 1) || !m_pcCfg->getEfficientFieldIRAPEnabled()) |
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447 | { |
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448 | if(m_pcCfg->getDecodingRefreshType() == 3) |
---|
449 | { |
---|
450 | eSliceType = (pocLast == 0 || (pocCurr) % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; |
---|
451 | } |
---|
452 | else |
---|
453 | { |
---|
454 | eSliceType = (pocLast == 0 || (pocCurr - (isField ? 1 : 0)) % m_pcCfg->getIntraPeriod() == 0 || m_pcGOPEncoder->getGOPSize() == 0) ? I_SLICE : eSliceType; |
---|
455 | |
---|
456 | } |
---|
457 | } |
---|
458 | #endif |
---|
459 | |
---|
460 | rpcSlice->setSliceType ( eSliceType ); |
---|
461 | } |
---|
462 | |
---|
463 | if (m_pcCfg->getUseRecalculateQPAccordingToLambda()) |
---|
464 | { |
---|
465 | dQP = xGetQPValueAccordingToLambda( dLambda ); |
---|
466 | iQP = max( -rpcSlice->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA), min( MAX_QP, (Int) floor( dQP + 0.5 ) ) ); |
---|
467 | } |
---|
468 | |
---|
469 | rpcSlice->setSliceQp ( iQP ); |
---|
470 | #if ADAPTIVE_QP_SELECTION |
---|
471 | rpcSlice->setSliceQpBase ( iQP ); |
---|
472 | #endif |
---|
473 | rpcSlice->setSliceQpDelta ( 0 ); |
---|
474 | rpcSlice->setUseChromaQpAdj( rpcSlice->getPPS()->getPpsRangeExtension().getChromaQpOffsetListEnabledFlag() ); |
---|
475 | #if NH_MV |
---|
476 | rpcSlice->setNumRefIdx(REF_PIC_LIST_0,m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_numRefPicsActive); |
---|
477 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1,m_pcCfg->getGOPEntry( (eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid ).m_numRefPicsActive); |
---|
478 | #else |
---|
479 | rpcSlice->setNumRefIdx(REF_PIC_LIST_0,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); |
---|
480 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1,m_pcCfg->getGOPEntry(iGOPid).m_numRefPicsActive); |
---|
481 | #endif |
---|
482 | |
---|
483 | if ( m_pcCfg->getDeblockingFilterMetric() ) |
---|
484 | { |
---|
485 | rpcSlice->setDeblockingFilterOverrideFlag(true); |
---|
486 | rpcSlice->setDeblockingFilterDisable(false); |
---|
487 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); |
---|
488 | rpcSlice->setDeblockingFilterTcOffsetDiv2( 0 ); |
---|
489 | } |
---|
490 | else if (rpcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) |
---|
491 | { |
---|
492 | rpcSlice->setDeblockingFilterOverrideFlag( rpcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() ); |
---|
493 | rpcSlice->setDeblockingFilterDisable( rpcSlice->getPPS()->getPPSDeblockingFilterDisabledFlag() ); |
---|
494 | if ( !rpcSlice->getDeblockingFilterDisable()) |
---|
495 | { |
---|
496 | if ( rpcSlice->getDeblockingFilterOverrideFlag() && eSliceType!=I_SLICE) |
---|
497 | { |
---|
498 | #if NH_MV |
---|
499 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); |
---|
500 | rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry((eSliceTypeBaseView == I_SLICE) ? MAX_GOP : iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); |
---|
501 | #else |
---|
502 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_betaOffsetDiv2 + m_pcCfg->getLoopFilterBetaOffset() ); |
---|
503 | rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getGOPEntry(iGOPid).m_tcOffsetDiv2 + m_pcCfg->getLoopFilterTcOffset() ); |
---|
504 | #endif |
---|
505 | } |
---|
506 | else |
---|
507 | { |
---|
508 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( m_pcCfg->getLoopFilterBetaOffset() ); |
---|
509 | rpcSlice->setDeblockingFilterTcOffsetDiv2( m_pcCfg->getLoopFilterTcOffset() ); |
---|
510 | } |
---|
511 | } |
---|
512 | } |
---|
513 | else |
---|
514 | { |
---|
515 | rpcSlice->setDeblockingFilterOverrideFlag( false ); |
---|
516 | rpcSlice->setDeblockingFilterDisable( false ); |
---|
517 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); |
---|
518 | rpcSlice->setDeblockingFilterTcOffsetDiv2( 0 ); |
---|
519 | } |
---|
520 | |
---|
521 | rpcSlice->setDepth ( depth ); |
---|
522 | |
---|
523 | pcPic->setTLayer( temporalId ); |
---|
524 | if(eSliceType==I_SLICE) |
---|
525 | { |
---|
526 | pcPic->setTLayer(0); |
---|
527 | } |
---|
528 | rpcSlice->setTLayer( pcPic->getTLayer() ); |
---|
529 | |
---|
530 | pcPic->setPicYuvPred( &m_picYuvPred ); |
---|
531 | pcPic->setPicYuvResi( &m_picYuvResi ); |
---|
532 | rpcSlice->setSliceMode ( m_pcCfg->getSliceMode() ); |
---|
533 | rpcSlice->setSliceArgument ( m_pcCfg->getSliceArgument() ); |
---|
534 | rpcSlice->setSliceSegmentMode ( m_pcCfg->getSliceSegmentMode() ); |
---|
535 | rpcSlice->setSliceSegmentArgument ( m_pcCfg->getSliceSegmentArgument() ); |
---|
536 | #if NH_3D |
---|
537 | #else |
---|
538 | rpcSlice->setMaxNumMergeCand ( m_pcCfg->getMaxNumMergeCand() ); |
---|
539 | #endif |
---|
540 | } |
---|
541 | |
---|
542 | Double TEncSlice::calculateLambda( const TComSlice* slice, |
---|
543 | const Int GOPid, // entry in the GOP table |
---|
544 | const Int depth, // slice GOP hierarchical depth. |
---|
545 | const Double refQP, // initial slice-level QP |
---|
546 | const Double dQP, // initial double-precision QP |
---|
547 | Int &iQP ) // returned integer QP. |
---|
548 | { |
---|
549 | enum SliceType eSliceType = slice->getSliceType(); |
---|
550 | const Bool isField = slice->getPic()->isField(); |
---|
551 | const Int NumberBFrames = ( m_pcCfg->getGOPSize() - 1 ); |
---|
552 | const Int SHIFT_QP = 12; |
---|
553 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
---|
554 | const Int temporalId=m_pcCfg->getGOPEntry(GOPid).m_temporalId; |
---|
555 | const std::vector<Double> &intraLambdaModifiers=m_pcCfg->getIntraLambdaModifier(); |
---|
556 | #endif |
---|
557 | |
---|
558 | #if FULL_NBIT |
---|
559 | Int bitdepth_luma_qp_scale = 6 * (slice->getSPS()->getBitDepth(CHANNEL_TYPE_LUMA) - 8); |
---|
560 | #else |
---|
561 | Int bitdepth_luma_qp_scale = 0; |
---|
562 | #endif |
---|
563 | Double qp_temp = dQP + bitdepth_luma_qp_scale - SHIFT_QP; |
---|
564 | // Case #1: I or P-slices (key-frame) |
---|
565 | #if NH_MV |
---|
566 | Double dQPFactor = m_pcCfg->getGOPEntry( (m_eSliceTypeBaseView == I_SLICE) ? MAX_GOP : GOPid ).m_QPFactor; |
---|
567 | #else |
---|
568 | Double dQPFactor = m_pcCfg->getGOPEntry(GOPid).m_QPFactor; |
---|
569 | #endif |
---|
570 | if ( eSliceType==I_SLICE ) |
---|
571 | { |
---|
572 | if (m_pcCfg->getIntraQpFactor()>=0.0 && m_pcCfg->getGOPEntry(GOPid).m_sliceType != I_SLICE) |
---|
573 | { |
---|
574 | dQPFactor=m_pcCfg->getIntraQpFactor(); |
---|
575 | } |
---|
576 | else |
---|
577 | { |
---|
578 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
---|
579 | if(m_pcCfg->getLambdaFromQPEnable()) |
---|
580 | { |
---|
581 | dQPFactor=0.57; |
---|
582 | } |
---|
583 | else |
---|
584 | { |
---|
585 | #endif |
---|
586 | Double dLambda_scale = 1.0 - Clip3( 0.0, 0.5, 0.05*(Double)(isField ? NumberBFrames/2 : NumberBFrames) ); |
---|
587 | dQPFactor=0.57*dLambda_scale; |
---|
588 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
---|
589 | } |
---|
590 | #endif |
---|
591 | } |
---|
592 | } |
---|
593 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
---|
594 | else if( m_pcCfg->getLambdaFromQPEnable() ) |
---|
595 | { |
---|
596 | dQPFactor=0.57; |
---|
597 | } |
---|
598 | #endif |
---|
599 | |
---|
600 | Double dLambda = dQPFactor*pow( 2.0, qp_temp/3.0 ); |
---|
601 | |
---|
602 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
---|
603 | if( !(m_pcCfg->getLambdaFromQPEnable()) && depth>0 ) |
---|
604 | #else |
---|
605 | if ( depth>0 ) |
---|
606 | #endif |
---|
607 | { |
---|
608 | #if FULL_NBIT |
---|
609 | Double qp_temp_ref_orig = refQP - SHIFT_QP; |
---|
610 | dLambda *= Clip3( 2.00, 4.00, (qp_temp_ref_orig / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) |
---|
611 | #else |
---|
612 | Double qp_temp_ref = refQP + bitdepth_luma_qp_scale - SHIFT_QP; |
---|
613 | dLambda *= Clip3( 2.00, 4.00, (qp_temp_ref / 6.0) ); // (j == B_SLICE && p_cur_frm->layer != 0 ) |
---|
614 | #endif |
---|
615 | } |
---|
616 | |
---|
617 | // if hadamard is used in ME process |
---|
618 | if ( !m_pcCfg->getUseHADME() && slice->getSliceType( ) != I_SLICE ) |
---|
619 | { |
---|
620 | dLambda *= 0.95; |
---|
621 | } |
---|
622 | |
---|
623 | #if X0038_LAMBDA_FROM_QP_CAPABILITY |
---|
624 | Double lambdaModifier; |
---|
625 | if( eSliceType != I_SLICE || intraLambdaModifiers.empty()) |
---|
626 | { |
---|
627 | lambdaModifier = m_pcCfg->getLambdaModifier( temporalId ); |
---|
628 | } |
---|
629 | else |
---|
630 | { |
---|
631 | lambdaModifier = intraLambdaModifiers[ (temporalId < intraLambdaModifiers.size()) ? temporalId : (intraLambdaModifiers.size()-1) ]; |
---|
632 | } |
---|
633 | dLambda *= lambdaModifier; |
---|
634 | #endif |
---|
635 | |
---|
636 | iQP = max( -slice->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA), min( MAX_QP, (Int) floor( dQP + 0.5 ) ) ); |
---|
637 | |
---|
638 | // NOTE: the lambda modifiers that are sometimes applied later might be best always applied in here. |
---|
639 | return dLambda; |
---|
640 | } |
---|
641 | |
---|
642 | |
---|
643 | Void TEncSlice::resetQP( TComPic* pic, Int sliceQP, Double lambda ) |
---|
644 | { |
---|
645 | TComSlice* slice = pic->getSlice(0); |
---|
646 | |
---|
647 | // store lambda |
---|
648 | slice->setSliceQp( sliceQP ); |
---|
649 | #if ADAPTIVE_QP_SELECTION |
---|
650 | slice->setSliceQpBase ( sliceQP ); |
---|
651 | #endif |
---|
652 | setUpLambda(slice, lambda, sliceQP); |
---|
653 | } |
---|
654 | |
---|
655 | // ==================================================================================================================== |
---|
656 | // Public member functions |
---|
657 | // ==================================================================================================================== |
---|
658 | |
---|
659 | //! set adaptive search range based on poc difference |
---|
660 | Void TEncSlice::setSearchRange( TComSlice* pcSlice ) |
---|
661 | { |
---|
662 | Int iCurrPOC = pcSlice->getPOC(); |
---|
663 | Int iRefPOC; |
---|
664 | Int iGOPSize = m_pcCfg->getGOPSize(); |
---|
665 | Int iOffset = (iGOPSize >> 1); |
---|
666 | Int iMaxSR = m_pcCfg->getSearchRange(); |
---|
667 | Int iNumPredDir = pcSlice->isInterP() ? 1 : 2; |
---|
668 | |
---|
669 | for (Int iDir = 0; iDir < iNumPredDir; iDir++) |
---|
670 | { |
---|
671 | RefPicList e = ( iDir ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
---|
672 | for (Int iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(e); iRefIdx++) |
---|
673 | { |
---|
674 | iRefPOC = pcSlice->getRefPic(e, iRefIdx)->getPOC(); |
---|
675 | Int newSearchRange = Clip3(m_pcCfg->getMinSearchWindow(), iMaxSR, (iMaxSR*ADAPT_SR_SCALE*abs(iCurrPOC - iRefPOC)+iOffset)/iGOPSize); |
---|
676 | m_pcPredSearch->setAdaptiveSearchRange(iDir, iRefIdx, newSearchRange); |
---|
677 | } |
---|
678 | } |
---|
679 | } |
---|
680 | |
---|
681 | /** |
---|
682 | Multi-loop slice encoding for different slice QP |
---|
683 | |
---|
684 | \param pcPic picture class |
---|
685 | */ |
---|
686 | Void TEncSlice::precompressSlice( TComPic* pcPic ) |
---|
687 | { |
---|
688 | // if deltaQP RD is not used, simply return |
---|
689 | if ( m_pcCfg->getDeltaQpRD() == 0 ) |
---|
690 | { |
---|
691 | return; |
---|
692 | } |
---|
693 | |
---|
694 | if ( m_pcCfg->getUseRateCtrl() ) |
---|
695 | { |
---|
696 | printf( "\nMultiple QP optimization is not allowed when rate control is enabled." ); |
---|
697 | assert(0); |
---|
698 | return; |
---|
699 | } |
---|
700 | |
---|
701 | TComSlice* pcSlice = pcPic->getSlice(getSliceIdx()); |
---|
702 | |
---|
703 | if (pcSlice->getDependentSliceSegmentFlag()) |
---|
704 | { |
---|
705 | // if this is a dependent slice segment, then it was optimised |
---|
706 | // when analysing the entire slice. |
---|
707 | return; |
---|
708 | } |
---|
709 | |
---|
710 | if (pcSlice->getSliceMode()==FIXED_NUMBER_OF_BYTES) |
---|
711 | { |
---|
712 | // TODO: investigate use of average cost per CTU so that this Slice Mode can be used. |
---|
713 | printf( "\nUnable to optimise Slice-level QP if Slice Mode is set to FIXED_NUMBER_OF_BYTES\n" ); |
---|
714 | assert(0); |
---|
715 | return; |
---|
716 | } |
---|
717 | |
---|
718 | |
---|
719 | Double dPicRdCostBest = MAX_DOUBLE; |
---|
720 | UInt uiQpIdxBest = 0; |
---|
721 | |
---|
722 | Double dFrameLambda; |
---|
723 | #if FULL_NBIT |
---|
724 | Int SHIFT_QP = 12 + 6 * (pcSlice->getSPS()->getBitDepth(CHANNEL_TYPE_LUMA) - 8); |
---|
725 | #else |
---|
726 | Int SHIFT_QP = 12; |
---|
727 | #endif |
---|
728 | |
---|
729 | // set frame lambda |
---|
730 | if (m_pcCfg->getGOPSize() > 1) |
---|
731 | { |
---|
732 | dFrameLambda = 0.68 * pow (2, (m_viRdPicQp[0] - SHIFT_QP) / 3.0) * (pcSlice->isInterB()? 2 : 1); |
---|
733 | } |
---|
734 | else |
---|
735 | { |
---|
736 | dFrameLambda = 0.68 * pow (2, (m_viRdPicQp[0] - SHIFT_QP) / 3.0); |
---|
737 | } |
---|
738 | m_pcRdCost ->setFrameLambda(dFrameLambda); |
---|
739 | |
---|
740 | // for each QP candidate |
---|
741 | for ( UInt uiQpIdx = 0; uiQpIdx < 2 * m_pcCfg->getDeltaQpRD() + 1; uiQpIdx++ ) |
---|
742 | { |
---|
743 | pcSlice ->setSliceQp ( m_viRdPicQp [uiQpIdx] ); |
---|
744 | #if ADAPTIVE_QP_SELECTION |
---|
745 | pcSlice ->setSliceQpBase ( m_viRdPicQp [uiQpIdx] ); |
---|
746 | #endif |
---|
747 | setUpLambda(pcSlice, m_vdRdPicLambda[uiQpIdx], m_viRdPicQp [uiQpIdx]); |
---|
748 | |
---|
749 | // try compress |
---|
750 | compressSlice ( pcPic, true, m_pcCfg->getFastDeltaQp()); |
---|
751 | |
---|
752 | #if NH_3D_VSO |
---|
753 | Dist64 uiPicDist = m_uiPicDist; |
---|
754 | #else |
---|
755 | UInt64 uiPicDist = m_uiPicDist; // Distortion, as calculated by compressSlice. |
---|
756 | // NOTE: This distortion is the chroma-weighted SSE distortion for the slice. |
---|
757 | // Previously a standard SSE distortion was calculated (for the entire frame). |
---|
758 | // Which is correct? |
---|
759 | |
---|
760 | // TODO: Update loop filter, SAO and distortion calculation to work on one slice only. |
---|
761 | // m_pcGOPEncoder->preLoopFilterPicAll( pcPic, uiPicDist ); |
---|
762 | |
---|
763 | #endif |
---|
764 | |
---|
765 | // compute RD cost and choose the best |
---|
766 | #if NH_3D_VSO |
---|
767 | Double dPicRdCost = m_pcRdCost->calcRdCost( (Double)m_uiPicTotalBits, uiPicDist, DF_SSE_FRAME); |
---|
768 | #else |
---|
769 | Double dPicRdCost = m_pcRdCost->calcRdCost( (Double)m_uiPicTotalBits, (Double)uiPicDist, DF_SSE_FRAME); |
---|
770 | #endif |
---|
771 | #if H_3D |
---|
772 | // Above calculation need to be fixed for VSO, including frameLambda value. |
---|
773 | #endif |
---|
774 | |
---|
775 | if ( dPicRdCost < dPicRdCostBest ) |
---|
776 | { |
---|
777 | uiQpIdxBest = uiQpIdx; |
---|
778 | dPicRdCostBest = dPicRdCost; |
---|
779 | } |
---|
780 | } |
---|
781 | |
---|
782 | // set best values |
---|
783 | pcSlice ->setSliceQp ( m_viRdPicQp [uiQpIdxBest] ); |
---|
784 | #if ADAPTIVE_QP_SELECTION |
---|
785 | pcSlice ->setSliceQpBase ( m_viRdPicQp [uiQpIdxBest] ); |
---|
786 | #endif |
---|
787 | setUpLambda(pcSlice, m_vdRdPicLambda[uiQpIdxBest], m_viRdPicQp [uiQpIdxBest]); |
---|
788 | } |
---|
789 | |
---|
790 | Void TEncSlice::calCostSliceI(TComPic* pcPic) // TODO: this only analyses the first slice segment. What about the others? |
---|
791 | { |
---|
792 | Double iSumHadSlice = 0; |
---|
793 | TComSlice * const pcSlice = pcPic->getSlice(getSliceIdx()); |
---|
794 | const TComSPS &sps = *(pcSlice->getSPS()); |
---|
795 | const Int shift = sps.getBitDepth(CHANNEL_TYPE_LUMA)-8; |
---|
796 | const Int offset = (shift>0)?(1<<(shift-1)):0; |
---|
797 | |
---|
798 | pcSlice->setSliceSegmentBits(0); |
---|
799 | |
---|
800 | UInt startCtuTsAddr, boundingCtuTsAddr; |
---|
801 | xDetermineStartAndBoundingCtuTsAddr ( startCtuTsAddr, boundingCtuTsAddr, pcPic ); |
---|
802 | |
---|
803 | for( UInt ctuTsAddr = startCtuTsAddr, ctuRsAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap( startCtuTsAddr); |
---|
804 | ctuTsAddr < boundingCtuTsAddr; |
---|
805 | ctuRsAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap(++ctuTsAddr) ) |
---|
806 | { |
---|
807 | // initialize CU encoder |
---|
808 | TComDataCU* pCtu = pcPic->getCtu( ctuRsAddr ); |
---|
809 | pCtu->initCtu( pcPic, ctuRsAddr ); |
---|
810 | |
---|
811 | Int height = min( sps.getMaxCUHeight(),sps.getPicHeightInLumaSamples() - ctuRsAddr / pcPic->getFrameWidthInCtus() * sps.getMaxCUHeight() ); |
---|
812 | Int width = min( sps.getMaxCUWidth(), sps.getPicWidthInLumaSamples() - ctuRsAddr % pcPic->getFrameWidthInCtus() * sps.getMaxCUWidth() ); |
---|
813 | |
---|
814 | Int iSumHad = m_pcCuEncoder->updateCtuDataISlice(pCtu, width, height); |
---|
815 | |
---|
816 | (m_pcRateCtrl->getRCPic()->getLCU(ctuRsAddr)).m_costIntra=(iSumHad+offset)>>shift; |
---|
817 | iSumHadSlice += (m_pcRateCtrl->getRCPic()->getLCU(ctuRsAddr)).m_costIntra; |
---|
818 | |
---|
819 | } |
---|
820 | m_pcRateCtrl->getRCPic()->setTotalIntraCost(iSumHadSlice); |
---|
821 | } |
---|
822 | |
---|
823 | /** \param pcPic picture class |
---|
824 | */ |
---|
825 | Void TEncSlice::compressSlice( TComPic* pcPic, const Bool bCompressEntireSlice, const Bool bFastDeltaQP ) |
---|
826 | { |
---|
827 | // if bCompressEntireSlice is true, then the entire slice (not slice segment) is compressed, |
---|
828 | // effectively disabling the slice-segment-mode. |
---|
829 | |
---|
830 | UInt startCtuTsAddr; |
---|
831 | UInt boundingCtuTsAddr; |
---|
832 | TComSlice* const pcSlice = pcPic->getSlice(getSliceIdx()); |
---|
833 | pcSlice->setSliceSegmentBits(0); |
---|
834 | xDetermineStartAndBoundingCtuTsAddr ( startCtuTsAddr, boundingCtuTsAddr, pcPic ); |
---|
835 | if (bCompressEntireSlice) |
---|
836 | { |
---|
837 | boundingCtuTsAddr = pcSlice->getSliceCurEndCtuTsAddr(); |
---|
838 | pcSlice->setSliceSegmentCurEndCtuTsAddr(boundingCtuTsAddr); |
---|
839 | } |
---|
840 | |
---|
841 | // initialize cost values - these are used by precompressSlice (they should be parameters). |
---|
842 | m_uiPicTotalBits = 0; |
---|
843 | m_dPicRdCost = 0; // NOTE: This is a write-only variable! |
---|
844 | m_uiPicDist = 0; |
---|
845 | |
---|
846 | m_pcEntropyCoder->setEntropyCoder ( m_pppcRDSbacCoder[0][CI_CURR_BEST] ); |
---|
847 | m_pcEntropyCoder->resetEntropy ( pcSlice ); |
---|
848 | |
---|
849 | TEncBinCABAC* pRDSbacCoder = (TEncBinCABAC *) m_pppcRDSbacCoder[0][CI_CURR_BEST]->getEncBinIf(); |
---|
850 | pRDSbacCoder->setBinCountingEnableFlag( false ); |
---|
851 | pRDSbacCoder->setBinsCoded( 0 ); |
---|
852 | |
---|
853 | TComBitCounter tempBitCounter; |
---|
854 | const UInt frameWidthInCtus = pcPic->getPicSym()->getFrameWidthInCtus(); |
---|
855 | |
---|
856 | m_pcCuEncoder->setFastDeltaQp(bFastDeltaQP); |
---|
857 | |
---|
858 | //------------------------------------------------------------------------------ |
---|
859 | // Weighted Prediction parameters estimation. |
---|
860 | //------------------------------------------------------------------------------ |
---|
861 | // calculate AC/DC values for current picture |
---|
862 | if( pcSlice->getPPS()->getUseWP() || pcSlice->getPPS()->getWPBiPred() ) |
---|
863 | { |
---|
864 | xCalcACDCParamSlice(pcSlice); |
---|
865 | } |
---|
866 | |
---|
867 | const Bool bWp_explicit = (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()); |
---|
868 | |
---|
869 | if ( bWp_explicit ) |
---|
870 | { |
---|
871 | //------------------------------------------------------------------------------ |
---|
872 | // Weighted Prediction implemented at Slice level. SliceMode=2 is not supported yet. |
---|
873 | //------------------------------------------------------------------------------ |
---|
874 | if ( pcSlice->getSliceMode()==FIXED_NUMBER_OF_BYTES || pcSlice->getSliceSegmentMode()==FIXED_NUMBER_OF_BYTES ) |
---|
875 | { |
---|
876 | printf("Weighted Prediction is not supported with slice mode determined by max number of bins.\n"); exit(0); |
---|
877 | } |
---|
878 | |
---|
879 | xEstimateWPParamSlice( pcSlice, m_pcCfg->getWeightedPredictionMethod() ); |
---|
880 | pcSlice->initWpScaling(pcSlice->getSPS()); |
---|
881 | |
---|
882 | // check WP on/off |
---|
883 | xCheckWPEnable( pcSlice ); |
---|
884 | } |
---|
885 | |
---|
886 | #if ADAPTIVE_QP_SELECTION |
---|
887 | if( m_pcCfg->getUseAdaptQpSelect() && !(pcSlice->getDependentSliceSegmentFlag())) |
---|
888 | { |
---|
889 | // TODO: this won't work with dependent slices: they do not have their own QP. Check fix to mask clause execution with && !(pcSlice->getDependentSliceSegmentFlag()) |
---|
890 | m_pcTrQuant->clearSliceARLCnt(); // TODO: this looks wrong for multiple slices - the results of all but the last slice will be cleared before they are used (all slices compressed, and then all slices encoded) |
---|
891 | if(pcSlice->getSliceType()!=I_SLICE) |
---|
892 | { |
---|
893 | Int qpBase = pcSlice->getSliceQpBase(); |
---|
894 | pcSlice->setSliceQp(qpBase + m_pcTrQuant->getQpDelta(qpBase)); |
---|
895 | } |
---|
896 | } |
---|
897 | #endif |
---|
898 | |
---|
899 | #if NH_3D |
---|
900 | if ( m_pcCfg->getViewIndex() && m_pcCfg->getUseIC() && |
---|
901 | !( ( pcSlice->getSliceType() == P_SLICE && pcSlice->getPPS()->getUseWP() ) || ( pcSlice->getSliceType() == B_SLICE && pcSlice->getPPS()->getWPBiPred() ) ) |
---|
902 | ) |
---|
903 | { |
---|
904 | pcSlice ->xSetApplyIC(m_pcCfg->getUseICLowLatencyEnc()); |
---|
905 | if ( pcSlice->getApplyIC() ) |
---|
906 | { |
---|
907 | pcSlice->setIcSkipParseFlag( pcSlice->getPOC() % m_pcCfg->getIntraPeriod() != 0 ); |
---|
908 | } |
---|
909 | } |
---|
910 | #endif |
---|
911 | |
---|
912 | |
---|
913 | |
---|
914 | // Adjust initial state if this is the start of a dependent slice. |
---|
915 | { |
---|
916 | const UInt ctuRsAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap( startCtuTsAddr); |
---|
917 | const UInt currentTileIdx = pcPic->getPicSym()->getTileIdxMap(ctuRsAddr); |
---|
918 | const TComTile *pCurrentTile = pcPic->getPicSym()->getTComTile(currentTileIdx); |
---|
919 | const UInt firstCtuRsAddrOfTile = pCurrentTile->getFirstCtuRsAddr(); |
---|
920 | if( pcSlice->getDependentSliceSegmentFlag() && ctuRsAddr != firstCtuRsAddrOfTile ) |
---|
921 | { |
---|
922 | // This will only occur if dependent slice-segments (m_entropyCodingSyncContextState=true) are being used. |
---|
923 | if( pCurrentTile->getTileWidthInCtus() >= 2 || !m_pcCfg->getEntropyCodingSyncEnabledFlag() ) |
---|
924 | { |
---|
925 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->loadContexts( &m_lastSliceSegmentEndContextState ); |
---|
926 | } |
---|
927 | } |
---|
928 | } |
---|
929 | |
---|
930 | // for every CTU in the slice segment (may terminate sooner if there is a byte limit on the slice-segment) |
---|
931 | #if NH_3D_VSO |
---|
932 | Int iLastPosY = -1; |
---|
933 | #endif |
---|
934 | |
---|
935 | for( UInt ctuTsAddr = startCtuTsAddr; ctuTsAddr < boundingCtuTsAddr; ++ctuTsAddr ) |
---|
936 | { |
---|
937 | const UInt ctuRsAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap(ctuTsAddr); |
---|
938 | // initialize CTU encoder |
---|
939 | TComDataCU* pCtu = pcPic->getCtu( ctuRsAddr ); |
---|
940 | pCtu->initCtu( pcPic, ctuRsAddr ); |
---|
941 | #if NH_3D_VSO |
---|
942 | if ( m_pcRdCost->getUseRenModel() ) |
---|
943 | { |
---|
944 | // updated renderer model if necessary |
---|
945 | Int iCurPosX; |
---|
946 | Int iCurPosY; |
---|
947 | pCtu->getPosInPic(0, iCurPosX, iCurPosY ); |
---|
948 | if ( iCurPosY != iLastPosY ) |
---|
949 | { |
---|
950 | iLastPosY = iCurPosY; |
---|
951 | TEncTop* pcEncTop = (TEncTop*) m_pcCfg; // Fix this later. |
---|
952 | pcEncTop->setupRenModel( pcSlice->getPOC() , pcSlice->getViewIndex(), pcSlice->getIsDepth() || pcSlice->getVPS()->getAuxId( pcSlice->getLayerId() ) ? 1 : 0, iCurPosY, pcSlice->getSPS()->getMaxCUHeight() ); |
---|
953 | } |
---|
954 | } |
---|
955 | #endif |
---|
956 | |
---|
957 | // update CABAC state |
---|
958 | const UInt firstCtuRsAddrOfTile = pcPic->getPicSym()->getTComTile(pcPic->getPicSym()->getTileIdxMap(ctuRsAddr))->getFirstCtuRsAddr(); |
---|
959 | const UInt tileXPosInCtus = firstCtuRsAddrOfTile % frameWidthInCtus; |
---|
960 | const UInt ctuXPosInCtus = ctuRsAddr % frameWidthInCtus; |
---|
961 | |
---|
962 | if (ctuRsAddr == firstCtuRsAddrOfTile) |
---|
963 | { |
---|
964 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->resetEntropy(pcSlice); |
---|
965 | } |
---|
966 | else if ( ctuXPosInCtus == tileXPosInCtus && m_pcCfg->getEntropyCodingSyncEnabledFlag()) |
---|
967 | { |
---|
968 | // reset and then update contexts to the state at the end of the top-right CTU (if within current slice and tile). |
---|
969 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->resetEntropy(pcSlice); |
---|
970 | // Sync if the Top-Right is available. |
---|
971 | TComDataCU *pCtuUp = pCtu->getCtuAbove(); |
---|
972 | if ( pCtuUp && ((ctuRsAddr%frameWidthInCtus+1) < frameWidthInCtus) ) |
---|
973 | { |
---|
974 | TComDataCU *pCtuTR = pcPic->getCtu( ctuRsAddr - frameWidthInCtus + 1 ); |
---|
975 | if ( pCtu->CUIsFromSameSliceAndTile(pCtuTR) ) |
---|
976 | { |
---|
977 | // Top-Right is available, we use it. |
---|
978 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->loadContexts( &m_entropyCodingSyncContextState ); |
---|
979 | } |
---|
980 | } |
---|
981 | } |
---|
982 | |
---|
983 | // set go-on entropy coder (used for all trial encodings - the cu encoder and encoder search also have a copy of the same pointer) |
---|
984 | m_pcEntropyCoder->setEntropyCoder ( m_pcRDGoOnSbacCoder ); |
---|
985 | m_pcEntropyCoder->setBitstream( &tempBitCounter ); |
---|
986 | tempBitCounter.resetBits(); |
---|
987 | m_pcRDGoOnSbacCoder->load( m_pppcRDSbacCoder[0][CI_CURR_BEST] ); // this copy is not strictly necessary here, but indicates that the GoOnSbacCoder |
---|
988 | // is reset to a known state before every decision process. |
---|
989 | |
---|
990 | ((TEncBinCABAC*)m_pcRDGoOnSbacCoder->getEncBinIf())->setBinCountingEnableFlag(true); |
---|
991 | |
---|
992 | Double oldLambda = m_pcRdCost->getLambda(); |
---|
993 | if ( m_pcCfg->getUseRateCtrl() ) |
---|
994 | { |
---|
995 | Int estQP = pcSlice->getSliceQp(); |
---|
996 | Double estLambda = -1.0; |
---|
997 | Double bpp = -1.0; |
---|
998 | |
---|
999 | if ( ( pcPic->getSlice( 0 )->getSliceType() == I_SLICE && m_pcCfg->getForceIntraQP() ) || !m_pcCfg->getLCULevelRC() ) |
---|
1000 | { |
---|
1001 | estQP = pcSlice->getSliceQp(); |
---|
1002 | } |
---|
1003 | else |
---|
1004 | { |
---|
1005 | #if KWU_RC_MADPRED_E0227 |
---|
1006 | if(pcSlice->getLayerId() != 0 && m_pcCfg->getUseDepthMADPred() && !pcSlice->getIsDepth()) |
---|
1007 | { |
---|
1008 | Double zn, zf, focallength, position, camShift; |
---|
1009 | Double basePos; |
---|
1010 | Bool bInterpolated; |
---|
1011 | Int direction = pcSlice->getViewId() - pcCU->getSlice()->getIvPic(false, 0)->getViewId(); |
---|
1012 | Int disparity; |
---|
1013 | |
---|
1014 | pcEncTop->getCamParam()->xGetZNearZFar(pcEncTop->getCamParam()->getBaseViewNumbers()[pcSlice->getViewIndex()], pcSlice->getPOC(), zn, zf); |
---|
1015 | pcEncTop->getCamParam()->xGetGeometryData(pcEncTop->getCamParam()->getBaseViewNumbers()[0], pcSlice->getPOC(), focallength, basePos, camShift, bInterpolated); |
---|
1016 | pcEncTop->getCamParam()->xGetGeometryData(pcEncTop->getCamParam()->getBaseViewNumbers()[pcSlice->getViewIndex()], pcSlice->getPOC(), focallength, position, camShift, bInterpolated); |
---|
1017 | bpp = m_pcRateCtrl->getRCPic()->getLCUTargetBppforInterView( m_pcRateCtrl->getPicList(), pcCU, |
---|
1018 | basePos, position, focallength, zn, zf, (direction > 0 ? 1 : -1), &disparity ); |
---|
1019 | } |
---|
1020 | else |
---|
1021 | { |
---|
1022 | #endif |
---|
1023 | bpp = m_pcRateCtrl->getRCPic()->getLCUTargetBpp(pcSlice->getSliceType()); |
---|
1024 | if ( pcPic->getSlice( 0 )->getSliceType() == I_SLICE) |
---|
1025 | { |
---|
1026 | estLambda = m_pcRateCtrl->getRCPic()->getLCUEstLambdaAndQP(bpp, pcSlice->getSliceQp(), &estQP); |
---|
1027 | } |
---|
1028 | else |
---|
1029 | { |
---|
1030 | estLambda = m_pcRateCtrl->getRCPic()->getLCUEstLambda( bpp ); |
---|
1031 | estQP = m_pcRateCtrl->getRCPic()->getLCUEstQP ( estLambda, pcSlice->getSliceQp() ); |
---|
1032 | } |
---|
1033 | #if KWU_RC_MADPRED_E0227 |
---|
1034 | estLambda = m_pcRateCtrl->getRCPic()->getLCUEstLambda( bpp ); |
---|
1035 | estQP = m_pcRateCtrl->getRCPic()->getLCUEstQP ( estLambda, pcSlice->getSliceQp() ); |
---|
1036 | #endif |
---|
1037 | |
---|
1038 | estQP = Clip3( -pcSlice->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA), MAX_QP, estQP ); |
---|
1039 | |
---|
1040 | m_pcRdCost->setLambda(estLambda, pcSlice->getSPS()->getBitDepths()); |
---|
1041 | |
---|
1042 | #if RDOQ_CHROMA_LAMBDA |
---|
1043 | // set lambda for RDOQ |
---|
1044 | const Double chromaLambda = estLambda / m_pcRdCost->getChromaWeight(); |
---|
1045 | const Double lambdaArray[MAX_NUM_COMPONENT] = { estLambda, chromaLambda, chromaLambda }; |
---|
1046 | m_pcTrQuant->setLambdas( lambdaArray ); |
---|
1047 | #else |
---|
1048 | m_pcTrQuant->setLambda( estLambda ); |
---|
1049 | #endif |
---|
1050 | } |
---|
1051 | |
---|
1052 | m_pcRateCtrl->setRCQP( estQP ); |
---|
1053 | #if ADAPTIVE_QP_SELECTION |
---|
1054 | pCtu->getSlice()->setSliceQpBase( estQP ); |
---|
1055 | #endif |
---|
1056 | } |
---|
1057 | |
---|
1058 | // run CTU trial encoder |
---|
1059 | m_pcCuEncoder->compressCtu( pCtu ); |
---|
1060 | |
---|
1061 | |
---|
1062 | // All CTU decisions have now been made. Restore entropy coder to an initial stage, ready to make a true encode, |
---|
1063 | // which will result in the state of the contexts being correct. It will also count up the number of bits coded, |
---|
1064 | // which is used if there is a limit of the number of bytes per slice-segment. |
---|
1065 | |
---|
1066 | m_pcEntropyCoder->setEntropyCoder ( m_pppcRDSbacCoder[0][CI_CURR_BEST] ); |
---|
1067 | m_pcEntropyCoder->setBitstream( &tempBitCounter ); |
---|
1068 | pRDSbacCoder->setBinCountingEnableFlag( true ); |
---|
1069 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->resetBits(); |
---|
1070 | pRDSbacCoder->setBinsCoded( 0 ); |
---|
1071 | |
---|
1072 | // encode CTU and calculate the true bit counters. |
---|
1073 | m_pcCuEncoder->encodeCtu( pCtu ); |
---|
1074 | |
---|
1075 | |
---|
1076 | pRDSbacCoder->setBinCountingEnableFlag( false ); |
---|
1077 | |
---|
1078 | const Int numberOfWrittenBits = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
1079 | |
---|
1080 | // Calculate if this CTU puts us over slice bit size. |
---|
1081 | // cannot terminate if current slice/slice-segment would be 0 Ctu in size, |
---|
1082 | const UInt validEndOfSliceCtuTsAddr = ctuTsAddr + (ctuTsAddr == startCtuTsAddr ? 1 : 0); |
---|
1083 | // Set slice end parameter |
---|
1084 | if(pcSlice->getSliceMode()==FIXED_NUMBER_OF_BYTES && pcSlice->getSliceBits()+numberOfWrittenBits > (pcSlice->getSliceArgument()<<3)) |
---|
1085 | { |
---|
1086 | pcSlice->setSliceSegmentCurEndCtuTsAddr(validEndOfSliceCtuTsAddr); |
---|
1087 | pcSlice->setSliceCurEndCtuTsAddr(validEndOfSliceCtuTsAddr); |
---|
1088 | boundingCtuTsAddr=validEndOfSliceCtuTsAddr; |
---|
1089 | } |
---|
1090 | else if((!bCompressEntireSlice) && pcSlice->getSliceSegmentMode()==FIXED_NUMBER_OF_BYTES && pcSlice->getSliceSegmentBits()+numberOfWrittenBits > (pcSlice->getSliceSegmentArgument()<<3)) |
---|
1091 | { |
---|
1092 | pcSlice->setSliceSegmentCurEndCtuTsAddr(validEndOfSliceCtuTsAddr); |
---|
1093 | boundingCtuTsAddr=validEndOfSliceCtuTsAddr; |
---|
1094 | } |
---|
1095 | |
---|
1096 | if (boundingCtuTsAddr <= ctuTsAddr) |
---|
1097 | { |
---|
1098 | break; |
---|
1099 | } |
---|
1100 | |
---|
1101 | pcSlice->setSliceBits( (UInt)(pcSlice->getSliceBits() + numberOfWrittenBits) ); |
---|
1102 | pcSlice->setSliceSegmentBits(pcSlice->getSliceSegmentBits()+numberOfWrittenBits); |
---|
1103 | |
---|
1104 | // Store probabilities of second CTU in line into buffer - used only if wavefront-parallel-processing is enabled. |
---|
1105 | if ( ctuXPosInCtus == tileXPosInCtus+1 && m_pcCfg->getEntropyCodingSyncEnabledFlag()) |
---|
1106 | { |
---|
1107 | m_entropyCodingSyncContextState.loadContexts(m_pppcRDSbacCoder[0][CI_CURR_BEST]); |
---|
1108 | } |
---|
1109 | |
---|
1110 | |
---|
1111 | if ( m_pcCfg->getUseRateCtrl() ) |
---|
1112 | { |
---|
1113 | #if KWU_RC_MADPRED_E0227 |
---|
1114 | UInt SAD = m_pcCuEncoder->getLCUPredictionSAD(); |
---|
1115 | Int height = min( pcSlice->getSPS()->getMaxCUHeight(),pcSlice->getSPS()->getPicHeightInLumaSamples() - uiCUAddr / rpcPic->getFrameWidthInCU() * pcSlice->getSPS()->getMaxCUHeight() ); |
---|
1116 | Int width = min( pcSlice->getSPS()->getMaxCUWidth(),pcSlice->getSPS()->getPicWidthInLumaSamples() - uiCUAddr % rpcPic->getFrameWidthInCU() * pcSlice->getSPS()->getMaxCUWidth() ); |
---|
1117 | Double MAD = (Double)SAD / (Double)(height * width); |
---|
1118 | MAD = MAD * MAD; |
---|
1119 | ( m_pcRateCtrl->getRCPic()->getLCU(uiCUAddr) ).m_MAD = MAD; |
---|
1120 | #endif |
---|
1121 | |
---|
1122 | Int actualQP = g_RCInvalidQPValue; |
---|
1123 | Double actualLambda = m_pcRdCost->getLambda(); |
---|
1124 | Int actualBits = pCtu->getTotalBits(); |
---|
1125 | Int numberOfEffectivePixels = 0; |
---|
1126 | for ( Int idx = 0; idx < pcPic->getNumPartitionsInCtu(); idx++ ) |
---|
1127 | { |
---|
1128 | if ( pCtu->getPredictionMode( idx ) != NUMBER_OF_PREDICTION_MODES && ( !pCtu->isSkipped( idx ) ) ) |
---|
1129 | { |
---|
1130 | numberOfEffectivePixels = numberOfEffectivePixels + 16; |
---|
1131 | break; |
---|
1132 | } |
---|
1133 | } |
---|
1134 | |
---|
1135 | if ( numberOfEffectivePixels == 0 ) |
---|
1136 | { |
---|
1137 | actualQP = g_RCInvalidQPValue; |
---|
1138 | } |
---|
1139 | else |
---|
1140 | { |
---|
1141 | actualQP = pCtu->getQP( 0 ); |
---|
1142 | } |
---|
1143 | m_pcRdCost->setLambda(oldLambda, pcSlice->getSPS()->getBitDepths()); |
---|
1144 | m_pcRateCtrl->getRCPic()->updateAfterCTU( m_pcRateCtrl->getRCPic()->getLCUCoded(), actualBits, actualQP, actualLambda, |
---|
1145 | pCtu->getSlice()->getSliceType() == I_SLICE ? 0 : m_pcCfg->getLCULevelRC() ); |
---|
1146 | } |
---|
1147 | |
---|
1148 | m_uiPicTotalBits += pCtu->getTotalBits(); |
---|
1149 | m_dPicRdCost += pCtu->getTotalCost(); |
---|
1150 | m_uiPicDist += pCtu->getTotalDistortion(); |
---|
1151 | } |
---|
1152 | |
---|
1153 | // store context state at the end of this slice-segment, in case the next slice is a dependent slice and continues using the CABAC contexts. |
---|
1154 | if( pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag() ) |
---|
1155 | { |
---|
1156 | m_lastSliceSegmentEndContextState.loadContexts( m_pppcRDSbacCoder[0][CI_CURR_BEST] );//ctx end of dep.slice |
---|
1157 | } |
---|
1158 | |
---|
1159 | // stop use of temporary bit counter object. |
---|
1160 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->setBitstream(NULL); |
---|
1161 | m_pcRDGoOnSbacCoder->setBitstream(NULL); // stop use of tempBitCounter. |
---|
1162 | |
---|
1163 | // TODO: optimise cabac_init during compress slice to improve multi-slice operation |
---|
1164 | //if (pcSlice->getPPS()->getCabacInitPresentFlag() && !pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag()) |
---|
1165 | //{ |
---|
1166 | // m_encCABACTableIdx = m_pcEntropyCoder->determineCabacInitIdx(); |
---|
1167 | //} |
---|
1168 | //else |
---|
1169 | //{ |
---|
1170 | // m_encCABACTableIdx = pcSlice->getSliceType(); |
---|
1171 | //} |
---|
1172 | } |
---|
1173 | |
---|
1174 | Void TEncSlice::encodeSlice ( TComPic* pcPic, TComOutputBitstream* pcSubstreams, UInt &numBinsCoded ) |
---|
1175 | { |
---|
1176 | TComSlice *const pcSlice = pcPic->getSlice(getSliceIdx()); |
---|
1177 | |
---|
1178 | const UInt startCtuTsAddr = pcSlice->getSliceSegmentCurStartCtuTsAddr(); |
---|
1179 | const UInt boundingCtuTsAddr = pcSlice->getSliceSegmentCurEndCtuTsAddr(); |
---|
1180 | |
---|
1181 | const UInt frameWidthInCtus = pcPic->getPicSym()->getFrameWidthInCtus(); |
---|
1182 | const Bool depSliceSegmentsEnabled = pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag(); |
---|
1183 | const Bool wavefrontsEnabled = pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag(); |
---|
1184 | |
---|
1185 | // initialise entropy coder for the slice |
---|
1186 | m_pcSbacCoder->init( (TEncBinIf*)m_pcBinCABAC ); |
---|
1187 | m_pcEntropyCoder->setEntropyCoder ( m_pcSbacCoder ); |
---|
1188 | m_pcEntropyCoder->resetEntropy ( pcSlice ); |
---|
1189 | |
---|
1190 | numBinsCoded = 0; |
---|
1191 | m_pcBinCABAC->setBinCountingEnableFlag( true ); |
---|
1192 | m_pcBinCABAC->setBinsCoded(0); |
---|
1193 | |
---|
1194 | #if ENC_DEC_TRACE |
---|
1195 | g_bJustDoIt = g_bEncDecTraceEnable; |
---|
1196 | #endif |
---|
1197 | #if NH_MV_ENC_DEC_TRAC |
---|
1198 | #if ENC_DEC_TRACE |
---|
1199 | incSymbolCounter(); |
---|
1200 | #endif |
---|
1201 | DTRACE_CABAC_VL( g_nSymbolCounter ); |
---|
1202 | #else |
---|
1203 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
---|
1204 | #endif |
---|
1205 | DTRACE_CABAC_T( "\tPOC: " ); |
---|
1206 | DTRACE_CABAC_V( pcPic->getPOC() ); |
---|
1207 | #if NH_MV_ENC_DEC_TRAC |
---|
1208 | DTRACE_CABAC_T( " Layer: " ); |
---|
1209 | DTRACE_CABAC_V( pcPic->getLayerId() ); |
---|
1210 | #endif |
---|
1211 | DTRACE_CABAC_T( "\n" ); |
---|
1212 | #if ENC_DEC_TRACE |
---|
1213 | g_bJustDoIt = g_bEncDecTraceDisable; |
---|
1214 | #endif |
---|
1215 | |
---|
1216 | |
---|
1217 | if (depSliceSegmentsEnabled) |
---|
1218 | { |
---|
1219 | // modify initial contexts with previous slice segment if this is a dependent slice. |
---|
1220 | const UInt ctuRsAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap( startCtuTsAddr ); |
---|
1221 | const UInt currentTileIdx=pcPic->getPicSym()->getTileIdxMap(ctuRsAddr); |
---|
1222 | const TComTile *pCurrentTile=pcPic->getPicSym()->getTComTile(currentTileIdx); |
---|
1223 | const UInt firstCtuRsAddrOfTile = pCurrentTile->getFirstCtuRsAddr(); |
---|
1224 | |
---|
1225 | if( pcSlice->getDependentSliceSegmentFlag() && ctuRsAddr != firstCtuRsAddrOfTile ) |
---|
1226 | { |
---|
1227 | if( pCurrentTile->getTileWidthInCtus() >= 2 || !wavefrontsEnabled ) |
---|
1228 | { |
---|
1229 | m_pcSbacCoder->loadContexts(&m_lastSliceSegmentEndContextState); |
---|
1230 | } |
---|
1231 | } |
---|
1232 | } |
---|
1233 | |
---|
1234 | // for every CTU in the slice segment... |
---|
1235 | |
---|
1236 | for( UInt ctuTsAddr = startCtuTsAddr; ctuTsAddr < boundingCtuTsAddr; ++ctuTsAddr ) |
---|
1237 | { |
---|
1238 | const UInt ctuRsAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap(ctuTsAddr); |
---|
1239 | const TComTile ¤tTile = *(pcPic->getPicSym()->getTComTile(pcPic->getPicSym()->getTileIdxMap(ctuRsAddr))); |
---|
1240 | const UInt firstCtuRsAddrOfTile = currentTile.getFirstCtuRsAddr(); |
---|
1241 | const UInt tileXPosInCtus = firstCtuRsAddrOfTile % frameWidthInCtus; |
---|
1242 | const UInt tileYPosInCtus = firstCtuRsAddrOfTile / frameWidthInCtus; |
---|
1243 | const UInt ctuXPosInCtus = ctuRsAddr % frameWidthInCtus; |
---|
1244 | const UInt ctuYPosInCtus = ctuRsAddr / frameWidthInCtus; |
---|
1245 | const UInt uiSubStrm=pcPic->getSubstreamForCtuAddr(ctuRsAddr, true, pcSlice); |
---|
1246 | TComDataCU* pCtu = pcPic->getCtu( ctuRsAddr ); |
---|
1247 | |
---|
1248 | m_pcEntropyCoder->setBitstream( &pcSubstreams[uiSubStrm] ); |
---|
1249 | |
---|
1250 | // set up CABAC contexts' state for this CTU |
---|
1251 | if (ctuRsAddr == firstCtuRsAddrOfTile) |
---|
1252 | { |
---|
1253 | if (ctuTsAddr != startCtuTsAddr) // if it is the first CTU, then the entropy coder has already been reset |
---|
1254 | { |
---|
1255 | m_pcEntropyCoder->resetEntropy(pcSlice); |
---|
1256 | } |
---|
1257 | } |
---|
1258 | else if (ctuXPosInCtus == tileXPosInCtus && wavefrontsEnabled) |
---|
1259 | { |
---|
1260 | // Synchronize cabac probabilities with upper-right CTU if it's available and at the start of a line. |
---|
1261 | if (ctuTsAddr != startCtuTsAddr) // if it is the first CTU, then the entropy coder has already been reset |
---|
1262 | { |
---|
1263 | m_pcEntropyCoder->resetEntropy(pcSlice); |
---|
1264 | } |
---|
1265 | TComDataCU *pCtuUp = pCtu->getCtuAbove(); |
---|
1266 | if ( pCtuUp && ((ctuRsAddr%frameWidthInCtus+1) < frameWidthInCtus) ) |
---|
1267 | { |
---|
1268 | TComDataCU *pCtuTR = pcPic->getCtu( ctuRsAddr - frameWidthInCtus + 1 ); |
---|
1269 | if ( pCtu->CUIsFromSameSliceAndTile(pCtuTR) ) |
---|
1270 | { |
---|
1271 | // Top-right is available, so use it. |
---|
1272 | m_pcSbacCoder->loadContexts( &m_entropyCodingSyncContextState ); |
---|
1273 | } |
---|
1274 | } |
---|
1275 | } |
---|
1276 | |
---|
1277 | #if NH_3D |
---|
1278 | pcPic->setReduceBitsFlag(true); |
---|
1279 | #endif |
---|
1280 | if ( pcSlice->getSPS()->getUseSAO() ) |
---|
1281 | { |
---|
1282 | Bool bIsSAOSliceEnabled = false; |
---|
1283 | Bool sliceEnabled[MAX_NUM_COMPONENT]; |
---|
1284 | for(Int comp=0; comp < MAX_NUM_COMPONENT; comp++) |
---|
1285 | { |
---|
1286 | ComponentID compId=ComponentID(comp); |
---|
1287 | sliceEnabled[compId] = pcSlice->getSaoEnabledFlag(toChannelType(compId)) && (comp < pcPic->getNumberValidComponents()); |
---|
1288 | if (sliceEnabled[compId]) |
---|
1289 | { |
---|
1290 | bIsSAOSliceEnabled=true; |
---|
1291 | } |
---|
1292 | } |
---|
1293 | if (bIsSAOSliceEnabled) |
---|
1294 | { |
---|
1295 | SAOBlkParam& saoblkParam = (pcPic->getPicSym()->getSAOBlkParam())[ctuRsAddr]; |
---|
1296 | |
---|
1297 | Bool leftMergeAvail = false; |
---|
1298 | Bool aboveMergeAvail= false; |
---|
1299 | //merge left condition |
---|
1300 | Int rx = (ctuRsAddr % frameWidthInCtus); |
---|
1301 | if(rx > 0) |
---|
1302 | { |
---|
1303 | leftMergeAvail = pcPic->getSAOMergeAvailability(ctuRsAddr, ctuRsAddr-1); |
---|
1304 | } |
---|
1305 | |
---|
1306 | //merge up condition |
---|
1307 | Int ry = (ctuRsAddr / frameWidthInCtus); |
---|
1308 | if(ry > 0) |
---|
1309 | { |
---|
1310 | aboveMergeAvail = pcPic->getSAOMergeAvailability(ctuRsAddr, ctuRsAddr-frameWidthInCtus); |
---|
1311 | } |
---|
1312 | |
---|
1313 | m_pcEntropyCoder->encodeSAOBlkParam(saoblkParam, pcPic->getPicSym()->getSPS().getBitDepths(), sliceEnabled, leftMergeAvail, aboveMergeAvail); |
---|
1314 | } |
---|
1315 | } |
---|
1316 | |
---|
1317 | #if ENC_DEC_TRACE |
---|
1318 | g_bJustDoIt = g_bEncDecTraceEnable; |
---|
1319 | #endif |
---|
1320 | m_pcCuEncoder->encodeCtu( pCtu ); |
---|
1321 | #if ENC_DEC_TRACE |
---|
1322 | g_bJustDoIt = g_bEncDecTraceDisable; |
---|
1323 | #endif |
---|
1324 | |
---|
1325 | //Store probabilities of second CTU in line into buffer |
---|
1326 | if ( ctuXPosInCtus == tileXPosInCtus+1 && wavefrontsEnabled) |
---|
1327 | { |
---|
1328 | m_entropyCodingSyncContextState.loadContexts( m_pcSbacCoder ); |
---|
1329 | } |
---|
1330 | |
---|
1331 | // terminate the sub-stream, if required (end of slice-segment, end of tile, end of wavefront-CTU-row): |
---|
1332 | if (ctuTsAddr+1 == boundingCtuTsAddr || |
---|
1333 | ( ctuXPosInCtus + 1 == tileXPosInCtus + currentTile.getTileWidthInCtus() && |
---|
1334 | ( ctuYPosInCtus + 1 == tileYPosInCtus + currentTile.getTileHeightInCtus() || wavefrontsEnabled) |
---|
1335 | ) |
---|
1336 | ) |
---|
1337 | { |
---|
1338 | m_pcEntropyCoder->encodeTerminatingBit(1); |
---|
1339 | m_pcEntropyCoder->encodeSliceFinish(); |
---|
1340 | // Byte-alignment in slice_data() when new tile |
---|
1341 | pcSubstreams[uiSubStrm].writeByteAlignment(); |
---|
1342 | |
---|
1343 | // write sub-stream size |
---|
1344 | if (ctuTsAddr+1 != boundingCtuTsAddr) |
---|
1345 | { |
---|
1346 | pcSlice->addSubstreamSize( (pcSubstreams[uiSubStrm].getNumberOfWrittenBits() >> 3) + pcSubstreams[uiSubStrm].countStartCodeEmulations() ); |
---|
1347 | } |
---|
1348 | } |
---|
1349 | #if NH_3D |
---|
1350 | pcPic->setReduceBitsFlag(false); |
---|
1351 | #endif |
---|
1352 | } // CTU-loop |
---|
1353 | |
---|
1354 | if( depSliceSegmentsEnabled ) |
---|
1355 | { |
---|
1356 | m_lastSliceSegmentEndContextState.loadContexts( m_pcSbacCoder );//ctx end of dep.slice |
---|
1357 | } |
---|
1358 | |
---|
1359 | #if ADAPTIVE_QP_SELECTION |
---|
1360 | if( m_pcCfg->getUseAdaptQpSelect() ) |
---|
1361 | { |
---|
1362 | m_pcTrQuant->storeSliceQpNext(pcSlice); // TODO: this will only be storing the adaptive QP state of the very last slice-segment that is not dependent in the frame... Perhaps this should be moved to the compress slice loop. |
---|
1363 | } |
---|
1364 | #endif |
---|
1365 | |
---|
1366 | if (pcSlice->getPPS()->getCabacInitPresentFlag() && !pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag()) |
---|
1367 | { |
---|
1368 | m_encCABACTableIdx = m_pcEntropyCoder->determineCabacInitIdx(pcSlice); |
---|
1369 | } |
---|
1370 | else |
---|
1371 | { |
---|
1372 | m_encCABACTableIdx = pcSlice->getSliceType(); |
---|
1373 | } |
---|
1374 | |
---|
1375 | numBinsCoded = m_pcBinCABAC->getBinsCoded(); |
---|
1376 | } |
---|
1377 | |
---|
1378 | Void TEncSlice::calculateBoundingCtuTsAddrForSlice(UInt &startCtuTSAddrSlice, UInt &boundingCtuTSAddrSlice, Bool &haveReachedTileBoundary, |
---|
1379 | TComPic* pcPic, const Int sliceMode, const Int sliceArgument) |
---|
1380 | { |
---|
1381 | TComSlice* pcSlice = pcPic->getSlice(getSliceIdx()); |
---|
1382 | const UInt numberOfCtusInFrame = pcPic->getNumberOfCtusInFrame(); |
---|
1383 | const TComPPS &pps=*(pcSlice->getPPS()); |
---|
1384 | boundingCtuTSAddrSlice=0; |
---|
1385 | haveReachedTileBoundary=false; |
---|
1386 | |
---|
1387 | switch (sliceMode) |
---|
1388 | { |
---|
1389 | case FIXED_NUMBER_OF_CTU: |
---|
1390 | { |
---|
1391 | UInt ctuAddrIncrement = sliceArgument; |
---|
1392 | boundingCtuTSAddrSlice = ((startCtuTSAddrSlice + ctuAddrIncrement) < numberOfCtusInFrame) ? (startCtuTSAddrSlice + ctuAddrIncrement) : numberOfCtusInFrame; |
---|
1393 | } |
---|
1394 | break; |
---|
1395 | case FIXED_NUMBER_OF_BYTES: |
---|
1396 | boundingCtuTSAddrSlice = numberOfCtusInFrame; // This will be adjusted later if required. |
---|
1397 | break; |
---|
1398 | case FIXED_NUMBER_OF_TILES: |
---|
1399 | { |
---|
1400 | const UInt tileIdx = pcPic->getPicSym()->getTileIdxMap( pcPic->getPicSym()->getCtuTsToRsAddrMap(startCtuTSAddrSlice) ); |
---|
1401 | const UInt tileTotalCount = (pcPic->getPicSym()->getNumTileColumnsMinus1()+1) * (pcPic->getPicSym()->getNumTileRowsMinus1()+1); |
---|
1402 | UInt ctuAddrIncrement = 0; |
---|
1403 | |
---|
1404 | for(UInt tileIdxIncrement = 0; tileIdxIncrement < sliceArgument; tileIdxIncrement++) |
---|
1405 | { |
---|
1406 | if((tileIdx + tileIdxIncrement) < tileTotalCount) |
---|
1407 | { |
---|
1408 | UInt tileWidthInCtus = pcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileWidthInCtus(); |
---|
1409 | UInt tileHeightInCtus = pcPic->getPicSym()->getTComTile(tileIdx + tileIdxIncrement)->getTileHeightInCtus(); |
---|
1410 | ctuAddrIncrement += (tileWidthInCtus * tileHeightInCtus); |
---|
1411 | } |
---|
1412 | } |
---|
1413 | |
---|
1414 | boundingCtuTSAddrSlice = ((startCtuTSAddrSlice + ctuAddrIncrement) < numberOfCtusInFrame) ? (startCtuTSAddrSlice + ctuAddrIncrement) : numberOfCtusInFrame; |
---|
1415 | } |
---|
1416 | break; |
---|
1417 | default: |
---|
1418 | boundingCtuTSAddrSlice = numberOfCtusInFrame; |
---|
1419 | break; |
---|
1420 | } |
---|
1421 | |
---|
1422 | // Adjust for tiles and wavefronts. |
---|
1423 | const Bool wavefrontsAreEnabled = pps.getEntropyCodingSyncEnabledFlag(); |
---|
1424 | |
---|
1425 | if ((sliceMode == FIXED_NUMBER_OF_CTU || sliceMode == FIXED_NUMBER_OF_BYTES) && |
---|
1426 | (pps.getNumTileRowsMinus1() > 0 || pps.getNumTileColumnsMinus1() > 0)) |
---|
1427 | { |
---|
1428 | const UInt ctuRSAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap(startCtuTSAddrSlice); |
---|
1429 | const UInt startTileIdx = pcPic->getPicSym()->getTileIdxMap(ctuRSAddr); |
---|
1430 | |
---|
1431 | const TComTile *pStartingTile = pcPic->getPicSym()->getTComTile(startTileIdx); |
---|
1432 | const UInt tileStartTsAddr = pcPic->getPicSym()->getCtuRsToTsAddrMap(pStartingTile->getFirstCtuRsAddr()); |
---|
1433 | const UInt tileStartWidth = pStartingTile->getTileWidthInCtus(); |
---|
1434 | const UInt tileStartHeight = pStartingTile->getTileHeightInCtus(); |
---|
1435 | const UInt tileLastTsAddr_excl = tileStartTsAddr + tileStartWidth*tileStartHeight; |
---|
1436 | const UInt tileBoundingCtuTsAddrSlice = tileLastTsAddr_excl; |
---|
1437 | |
---|
1438 | const UInt ctuColumnOfStartingTile = ((startCtuTSAddrSlice-tileStartTsAddr)%tileStartWidth); |
---|
1439 | if (wavefrontsAreEnabled && ctuColumnOfStartingTile!=0) |
---|
1440 | { |
---|
1441 | // WPP: if a slice does not start at the beginning of a CTB row, it must end within the same CTB row |
---|
1442 | const UInt numberOfCTUsToEndOfRow = tileStartWidth - ctuColumnOfStartingTile; |
---|
1443 | const UInt wavefrontTileBoundingCtuAddrSlice = startCtuTSAddrSlice + numberOfCTUsToEndOfRow; |
---|
1444 | if (wavefrontTileBoundingCtuAddrSlice < boundingCtuTSAddrSlice) |
---|
1445 | { |
---|
1446 | boundingCtuTSAddrSlice = wavefrontTileBoundingCtuAddrSlice; |
---|
1447 | } |
---|
1448 | } |
---|
1449 | |
---|
1450 | if (tileBoundingCtuTsAddrSlice < boundingCtuTSAddrSlice) |
---|
1451 | { |
---|
1452 | boundingCtuTSAddrSlice = tileBoundingCtuTsAddrSlice; |
---|
1453 | haveReachedTileBoundary = true; |
---|
1454 | } |
---|
1455 | } |
---|
1456 | else if ((sliceMode == FIXED_NUMBER_OF_CTU || sliceMode == FIXED_NUMBER_OF_BYTES) && wavefrontsAreEnabled && ((startCtuTSAddrSlice % pcPic->getFrameWidthInCtus()) != 0)) |
---|
1457 | { |
---|
1458 | // Adjust for wavefronts (no tiles). |
---|
1459 | // WPP: if a slice does not start at the beginning of a CTB row, it must end within the same CTB row |
---|
1460 | boundingCtuTSAddrSlice = min(boundingCtuTSAddrSlice, startCtuTSAddrSlice - (startCtuTSAddrSlice % pcPic->getFrameWidthInCtus()) + (pcPic->getFrameWidthInCtus())); |
---|
1461 | } |
---|
1462 | } |
---|
1463 | |
---|
1464 | /** Determines the starting and bounding CTU address of current slice / dependent slice |
---|
1465 | * \param [out] startCtuTsAddr |
---|
1466 | * \param [out] boundingCtuTsAddr |
---|
1467 | * \param [in] pcPic |
---|
1468 | |
---|
1469 | * Updates startCtuTsAddr, boundingCtuTsAddr with appropriate CTU address |
---|
1470 | */ |
---|
1471 | Void TEncSlice::xDetermineStartAndBoundingCtuTsAddr ( UInt& startCtuTsAddr, UInt& boundingCtuTsAddr, TComPic* pcPic ) |
---|
1472 | { |
---|
1473 | TComSlice* pcSlice = pcPic->getSlice(getSliceIdx()); |
---|
1474 | |
---|
1475 | // Non-dependent slice |
---|
1476 | UInt startCtuTsAddrSlice = pcSlice->getSliceCurStartCtuTsAddr(); |
---|
1477 | Bool haveReachedTileBoundarySlice = false; |
---|
1478 | UInt boundingCtuTsAddrSlice; |
---|
1479 | calculateBoundingCtuTsAddrForSlice(startCtuTsAddrSlice, boundingCtuTsAddrSlice, haveReachedTileBoundarySlice, pcPic, |
---|
1480 | m_pcCfg->getSliceMode(), m_pcCfg->getSliceArgument()); |
---|
1481 | pcSlice->setSliceCurEndCtuTsAddr( boundingCtuTsAddrSlice ); |
---|
1482 | pcSlice->setSliceCurStartCtuTsAddr( startCtuTsAddrSlice ); |
---|
1483 | |
---|
1484 | // Dependent slice |
---|
1485 | UInt startCtuTsAddrSliceSegment = pcSlice->getSliceSegmentCurStartCtuTsAddr(); |
---|
1486 | Bool haveReachedTileBoundarySliceSegment = false; |
---|
1487 | UInt boundingCtuTsAddrSliceSegment; |
---|
1488 | calculateBoundingCtuTsAddrForSlice(startCtuTsAddrSliceSegment, boundingCtuTsAddrSliceSegment, haveReachedTileBoundarySliceSegment, pcPic, |
---|
1489 | m_pcCfg->getSliceSegmentMode(), m_pcCfg->getSliceSegmentArgument()); |
---|
1490 | if (boundingCtuTsAddrSliceSegment>boundingCtuTsAddrSlice) |
---|
1491 | { |
---|
1492 | boundingCtuTsAddrSliceSegment = boundingCtuTsAddrSlice; |
---|
1493 | } |
---|
1494 | pcSlice->setSliceSegmentCurEndCtuTsAddr( boundingCtuTsAddrSliceSegment ); |
---|
1495 | pcSlice->setSliceSegmentCurStartCtuTsAddr(startCtuTsAddrSliceSegment); |
---|
1496 | |
---|
1497 | // Make a joint decision based on reconstruction and dependent slice bounds |
---|
1498 | startCtuTsAddr = max(startCtuTsAddrSlice , startCtuTsAddrSliceSegment ); |
---|
1499 | boundingCtuTsAddr = boundingCtuTsAddrSliceSegment; |
---|
1500 | } |
---|
1501 | |
---|
1502 | Double TEncSlice::xGetQPValueAccordingToLambda ( Double lambda ) |
---|
1503 | { |
---|
1504 | return 4.2005*log(lambda) + 13.7122; |
---|
1505 | } |
---|
1506 | |
---|
1507 | //! \} |
---|