| 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 ); |
|---|
| 406 | } |
|---|
| 407 | else |
|---|
| 408 | { |
|---|
| 409 | lambdaModifier = intraLambdaModifiers[ (temporalId < intraLambdaModifiers.size()) ? temporalId : (intraLambdaModifiers.size()-1) ]; |
|---|
| 410 | } |
|---|
| 411 | |
|---|
| 412 | dLambda *= lambdaModifier; |
|---|
| 413 | #endif |
|---|
| 414 | |
|---|
| 415 | setUpLambda(rpcSlice, dLambda, iQP); |
|---|
| 416 | |
|---|
| 417 | #if NH_3D_VSO |
|---|
| 418 | m_pcRdCost->setUseLambdaScaleVSO ( (m_pcCfg->getUseVSO() || m_pcCfg->getForceLambdaScaleVSO()) && ( m_pcCfg->getIsDepth() || m_pcCfg->getIsAuxDepth() ) ); |
|---|
| 419 | m_pcRdCost->setLambdaVSO ( dLambda * m_pcCfg->getLambdaScaleVSO() ); |
|---|
| 420 | |
|---|
| 421 | // Should be moved to TEncTop |
|---|
| 422 | |
|---|
| 423 | // SAIT_VSO_EST_A0033 |
|---|
| 424 | m_pcRdCost->setDisparityCoeff( m_pcCfg->getDispCoeff() ); |
|---|
| 425 | |
|---|
| 426 | // LGE_WVSO_A0119 |
|---|
| 427 | if( m_pcCfg->getUseWVSO() && ( m_pcCfg->getIsDepth() || m_pcCfg->getIsAuxDepth() ) ) |
|---|
| 428 | { |
|---|
| 429 | m_pcRdCost->setDWeight ( m_pcCfg->getDWeight() ); |
|---|
| 430 | m_pcRdCost->setVSOWeight( m_pcCfg->getVSOWeight() ); |
|---|
| 431 | m_pcRdCost->setVSDWeight( m_pcCfg->getVSDWeight() ); |
|---|
| 432 | } |
|---|
| 433 | |
|---|
| 434 | #endif |
|---|
| 435 | |
|---|
| 436 | if (m_pcCfg->getFastMEForGenBLowDelayEnabled()) |
|---|
| 437 | { |
|---|
| 438 | // restore original slice type |
|---|
| 439 | #if NH_MV |
|---|
| 440 | eSliceType = eSliceTypeBaseView; |
|---|
| 441 | if( eSliceTypeBaseView == I_SLICE && m_pcCfg->getGOPEntry(MAX_GOP).m_POC == 0 && m_pcCfg->getGOPEntry(MAX_GOP).m_sliceType != 'I' ) |
|---|
| 442 | { |
|---|
| 443 | eSliceType = B_SLICE; |
|---|
| 444 | } |
|---|
| 445 | #else |
|---|
| 446 | if(!(isField && pocLast == 1) || !m_pcCfg->getEfficientFieldIRAPEnabled()) |
|---|
| 447 | { |
|---|
| 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 | |
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| 1475 | // Non-dependent slice |
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| 1476 | UInt startCtuTsAddrSlice = pcSlice->getSliceCurStartCtuTsAddr(); |
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| 1477 | Bool haveReachedTileBoundarySlice = false; |
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| 1478 | UInt boundingCtuTsAddrSlice; |
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| 1479 | calculateBoundingCtuTsAddrForSlice(startCtuTsAddrSlice, boundingCtuTsAddrSlice, haveReachedTileBoundarySlice, pcPic, |
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| 1480 | m_pcCfg->getSliceMode(), m_pcCfg->getSliceArgument()); |
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| 1481 | pcSlice->setSliceCurEndCtuTsAddr( boundingCtuTsAddrSlice ); |
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| 1482 | pcSlice->setSliceCurStartCtuTsAddr( startCtuTsAddrSlice ); |
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| 1483 | |
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| 1484 | // Dependent slice |
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| 1485 | UInt startCtuTsAddrSliceSegment = pcSlice->getSliceSegmentCurStartCtuTsAddr(); |
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| 1486 | Bool haveReachedTileBoundarySliceSegment = false; |
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| 1487 | UInt boundingCtuTsAddrSliceSegment; |
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| 1488 | calculateBoundingCtuTsAddrForSlice(startCtuTsAddrSliceSegment, boundingCtuTsAddrSliceSegment, haveReachedTileBoundarySliceSegment, pcPic, |
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| 1489 | m_pcCfg->getSliceSegmentMode(), m_pcCfg->getSliceSegmentArgument()); |
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| 1490 | if (boundingCtuTsAddrSliceSegment>boundingCtuTsAddrSlice) |
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| 1491 | { |
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| 1492 | boundingCtuTsAddrSliceSegment = boundingCtuTsAddrSlice; |
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| 1493 | } |
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| 1494 | pcSlice->setSliceSegmentCurEndCtuTsAddr( boundingCtuTsAddrSliceSegment ); |
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| 1495 | pcSlice->setSliceSegmentCurStartCtuTsAddr(startCtuTsAddrSliceSegment); |
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| 1496 | |
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| 1497 | // Make a joint decision based on reconstruction and dependent slice bounds |
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| 1498 | startCtuTsAddr = max(startCtuTsAddrSlice , startCtuTsAddrSliceSegment ); |
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| 1499 | boundingCtuTsAddr = boundingCtuTsAddrSliceSegment; |
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| 1500 | } |
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| 1501 | |
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| 1502 | Double TEncSlice::xGetQPValueAccordingToLambda ( Double lambda ) |
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| 1503 | { |
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| 1504 | return 4.2005*log(lambda) + 13.7122; |
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| 1505 | } |
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| 1506 | |
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| 1507 | //! \} |
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