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) 2010-2014, 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 TDecGop.cpp |
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35 | \brief GOP decoder class |
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36 | */ |
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37 | |
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38 | #include "TDecGop.h" |
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39 | #include "TDecCAVLC.h" |
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40 | #include "TDecSbac.h" |
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41 | #include "TDecBinCoder.h" |
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42 | #include "TDecBinCoderCABAC.h" |
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43 | #include "libmd5/MD5.h" |
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44 | #include "TLibCommon/SEI.h" |
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45 | #if SVC_EXTENSION |
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46 | #include "TDecTop.h" |
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47 | #if CONFORMANCE_BITSTREAM_MODE |
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48 | #include <algorithm> |
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49 | #endif |
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50 | #endif |
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51 | |
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52 | #include <time.h> |
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53 | |
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54 | extern Bool g_md5_mismatch; ///< top level flag to signal when there is a decode problem |
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55 | |
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56 | #if CONFORMANCE_BITSTREAM_MODE |
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57 | Bool pocCompareFunction( const TComPic &pic1, const TComPic &pic2 ) |
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58 | { |
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59 | return (const_cast<TComPic&>(pic1).getPOC() < const_cast<TComPic&>(pic2).getPOC()); |
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60 | } |
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61 | #endif |
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62 | |
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63 | //! \ingroup TLibDecoder |
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64 | //! \{ |
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65 | static Void calcAndPrintHashStatus(TComPicYuv& pic, const SEIDecodedPictureHash* pictureHashSEI); |
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66 | #if Q0074_COLOUR_REMAPPING_SEI |
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67 | static Void applyColourRemapping(TComPicYuv& pic, const SEIColourRemappingInfo* colourRemappingInfoSEI, UInt layerId=0 ); |
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68 | static std::vector<SEIColourRemappingInfo> storeCriSEI; //Persistent Colour Remapping Information SEI |
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69 | #endif |
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70 | // ==================================================================================================================== |
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71 | // Constructor / destructor / initialization / destroy |
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72 | // ==================================================================================================================== |
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73 | |
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74 | TDecGop::TDecGop() |
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75 | { |
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76 | m_dDecTime = 0; |
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77 | } |
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78 | |
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79 | TDecGop::~TDecGop() |
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80 | { |
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81 | |
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82 | } |
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83 | |
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84 | #if SVC_EXTENSION |
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85 | Void TDecGop::create(UInt layerId) |
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86 | { |
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87 | m_layerId = layerId; |
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88 | } |
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89 | #else |
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90 | Void TDecGop::create() |
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91 | { |
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92 | |
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93 | } |
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94 | #endif |
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95 | |
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96 | Void TDecGop::destroy() |
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97 | { |
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98 | } |
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99 | |
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100 | #if SVC_EXTENSION |
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101 | Void TDecGop::init( TDecTop** ppcDecTop, |
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102 | TDecEntropy* pcEntropyDecoder, |
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103 | #else |
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104 | Void TDecGop::init( TDecEntropy* pcEntropyDecoder, |
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105 | #endif |
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106 | TDecSbac* pcSbacDecoder, |
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107 | TDecBinCABAC* pcBinCABAC, |
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108 | TDecCavlc* pcCavlcDecoder, |
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109 | TDecSlice* pcSliceDecoder, |
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110 | TComLoopFilter* pcLoopFilter, |
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111 | TComSampleAdaptiveOffset* pcSAO |
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112 | ) |
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113 | { |
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114 | m_pcEntropyDecoder = pcEntropyDecoder; |
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115 | m_pcSbacDecoder = pcSbacDecoder; |
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116 | m_pcBinCABAC = pcBinCABAC; |
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117 | m_pcCavlcDecoder = pcCavlcDecoder; |
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118 | m_pcSliceDecoder = pcSliceDecoder; |
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119 | m_pcLoopFilter = pcLoopFilter; |
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120 | m_pcSAO = pcSAO; |
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121 | #if SVC_EXTENSION |
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122 | m_ppcTDecTop = ppcDecTop; |
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123 | #endif |
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124 | } |
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125 | |
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126 | |
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127 | // ==================================================================================================================== |
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128 | // Private member functions |
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129 | // ==================================================================================================================== |
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130 | // ==================================================================================================================== |
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131 | // Public member functions |
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132 | // ==================================================================================================================== |
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133 | |
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134 | Void TDecGop::decompressSlice(TComInputBitstream* pcBitstream, TComPic* pcPic) |
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135 | { |
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136 | TComSlice* pcSlice = pcPic->getSlice(pcPic->getCurrSliceIdx()); |
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137 | // Table of extracted substreams. |
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138 | // These must be deallocated AND their internal fifos, too. |
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139 | TComInputBitstream **ppcSubstreams = NULL; |
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140 | |
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141 | //-- For time output for each slice |
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142 | clock_t iBeforeTime = clock(); |
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143 | m_pcSbacDecoder->init( (TDecBinIf*)m_pcBinCABAC ); |
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144 | m_pcEntropyDecoder->setEntropyDecoder (m_pcSbacDecoder); |
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145 | |
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146 | const UInt uiNumSubstreams = pcSlice->getNumberOfSubstreamSizes()+1; |
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147 | // const UInt uiNumSubstreams = pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag() ? pcSlice->getNumberOfSubstreamSizes()+1 : pcSlice->getPPS()->getNumSubstreams(); |
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148 | |
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149 | // init each couple {EntropyDecoder, Substream} |
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150 | ppcSubstreams = new TComInputBitstream*[uiNumSubstreams]; |
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151 | for ( UInt ui = 0 ; ui < uiNumSubstreams ; ui++ ) |
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152 | { |
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153 | ppcSubstreams[ui] = pcBitstream->extractSubstream(ui+1 < uiNumSubstreams ? (pcSlice->getSubstreamSize(ui)<<3) : pcBitstream->getNumBitsLeft()); |
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154 | } |
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155 | |
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156 | m_pcSliceDecoder->decompressSlice( ppcSubstreams, pcPic, m_pcSbacDecoder); |
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157 | // deallocate all created substreams, including internal buffers. |
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158 | for (UInt ui = 0; ui < uiNumSubstreams; ui++) |
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159 | { |
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160 | ppcSubstreams[ui]->deleteFifo(); |
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161 | delete ppcSubstreams[ui]; |
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162 | } |
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163 | delete[] ppcSubstreams; |
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164 | |
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165 | m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC; |
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166 | } |
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167 | |
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168 | Void TDecGop::filterPicture(TComPic* pcPic) |
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169 | { |
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170 | TComSlice* pcSlice = pcPic->getSlice(pcPic->getCurrSliceIdx()); |
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171 | |
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172 | //-- For time output for each slice |
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173 | clock_t iBeforeTime = clock(); |
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174 | |
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175 | // deblocking filter |
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176 | Bool bLFCrossTileBoundary = pcSlice->getPPS()->getLoopFilterAcrossTilesEnabledFlag(); |
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177 | m_pcLoopFilter->setCfg(bLFCrossTileBoundary); |
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178 | m_pcLoopFilter->loopFilterPic( pcPic ); |
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179 | |
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180 | if( pcSlice->getSPS()->getUseSAO() ) |
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181 | { |
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182 | m_pcSAO->reconstructBlkSAOParams(pcPic, pcPic->getPicSym()->getSAOBlkParam()); |
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183 | m_pcSAO->SAOProcess(pcPic); |
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184 | m_pcSAO->PCMLFDisableProcess(pcPic); |
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185 | } |
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186 | |
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187 | pcPic->compressMotion(); |
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188 | Char c = (pcSlice->isIntra() ? 'I' : pcSlice->isInterP() ? 'P' : 'B'); |
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189 | if (!pcSlice->isReferenced()) c += 32; |
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190 | |
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191 | //-- For time output for each slice |
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192 | #if SVC_EXTENSION |
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193 | printf("POC %4d LId: %1d TId: %1d ( %c-SLICE %s, QP%3d ) ", pcSlice->getPOC(), |
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194 | pcPic->getLayerId(), |
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195 | pcSlice->getTLayer(), |
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196 | c, |
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197 | NaluToStr( pcSlice->getNalUnitType() ).data(), |
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198 | pcSlice->getSliceQp() ); |
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199 | #else |
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200 | printf("POC %4d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getPOC(), |
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201 | pcSlice->getTLayer(), |
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202 | c, |
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203 | pcSlice->getSliceQp() ); |
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204 | |
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205 | #endif |
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206 | m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC; |
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207 | printf ("[DT %6.3f] ", m_dDecTime ); |
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208 | m_dDecTime = 0; |
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209 | |
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210 | for (Int iRefList = 0; iRefList < 2; iRefList++) |
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211 | { |
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212 | printf ("[L%d ", iRefList); |
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213 | for (Int iRefIndex = 0; iRefIndex < pcSlice->getNumRefIdx(RefPicList(iRefList)); iRefIndex++) |
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214 | { |
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215 | #if SVC_EXTENSION |
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216 | #if VPS_EXTN_DIRECT_REF_LAYERS |
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217 | if( pcSlice->getRefPic(RefPicList(iRefList), iRefIndex)->isILR( m_layerId ) ) |
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218 | { |
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219 | UInt refLayerId = pcSlice->getRefPic(RefPicList(iRefList), iRefIndex)->getLayerId(); |
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220 | UInt refLayerIdc = pcSlice->getReferenceLayerIdc(refLayerId); |
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221 | assert( g_posScalingFactor[refLayerIdc][0] ); |
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222 | assert( g_posScalingFactor[refLayerIdc][1] ); |
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223 | |
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224 | printf( "%d(%d, {%1.2f, %1.2f}x)", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex), refLayerId, 65536.0/g_posScalingFactor[refLayerIdc][0], 65536.0/g_posScalingFactor[refLayerIdc][1] ); |
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225 | } |
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226 | else |
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227 | { |
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228 | printf ("%d", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex)); |
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229 | } |
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230 | #endif |
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231 | if( pcSlice->getEnableTMVPFlag() && iRefList == 1 - pcSlice->getColFromL0Flag() && iRefIndex == pcSlice->getColRefIdx() ) |
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232 | { |
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233 | printf( "c" ); |
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234 | } |
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235 | |
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236 | printf( " " ); |
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237 | #else |
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238 | printf ("%d ", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex)); |
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239 | #endif |
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240 | } |
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241 | printf ("] "); |
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242 | } |
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243 | if (m_decodedPictureHashSEIEnabled) |
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244 | { |
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245 | SEIMessages pictureHashes = getSeisByType(pcPic->getSEIs(), SEI::DECODED_PICTURE_HASH ); |
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246 | const SEIDecodedPictureHash *hash = ( pictureHashes.size() > 0 ) ? (SEIDecodedPictureHash*) *(pictureHashes.begin()) : NULL; |
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247 | if (pictureHashes.size() > 1) |
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248 | { |
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249 | printf ("Warning: Got multiple decoded picture hash SEI messages. Using first."); |
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250 | } |
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251 | calcAndPrintHashStatus(*(pcPic->getPicYuvRec()), hash); |
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252 | } |
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253 | #if CONFORMANCE_BITSTREAM_MODE |
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254 | if( this->getLayerDec(pcPic->getLayerId())->getConfModeFlag() ) |
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255 | { |
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256 | // Add this reconstructed picture to the parallel buffer. |
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257 | std::vector<TComPic> *thisLayerBuffer = (this->getLayerDec(pcPic->getLayerId()))->getConfListPic(); |
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258 | thisLayerBuffer->push_back(*pcPic); |
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259 | std::sort( thisLayerBuffer->begin(), thisLayerBuffer->end(), pocCompareFunction ); |
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260 | } |
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261 | #endif |
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262 | #if Q0074_COLOUR_REMAPPING_SEI |
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263 | if (m_colourRemapSEIEnabled) |
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264 | { |
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265 | SEIMessages colourRemappingInfo = getSeisByType(pcPic->getSEIs(), SEI::COLOUR_REMAPPING_INFO ); |
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266 | const SEIColourRemappingInfo *seiColourRemappingInfo = ( colourRemappingInfo.size() > 0 ) ? (SEIColourRemappingInfo*) *(colourRemappingInfo.begin()) : NULL; |
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267 | if (colourRemappingInfo.size() > 1) |
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268 | { |
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269 | printf ("Warning: Got multiple Colour Remapping Information SEI messages. Using first."); |
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270 | } |
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271 | applyColourRemapping(*pcPic->getPicYuvRec(), seiColourRemappingInfo |
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272 | #if SVC_EXTENSION |
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273 | , pcPic->getLayerId() |
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274 | #endif |
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275 | ); |
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276 | } |
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277 | #endif |
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278 | |
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279 | printf("\n"); |
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280 | |
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281 | pcPic->setOutputMark(pcPic->getSlice(0)->getPicOutputFlag() ? true : false); |
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282 | pcPic->setReconMark(true); |
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283 | } |
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284 | |
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285 | /** |
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286 | * Calculate and print hash for pic, compare to picture_digest SEI if |
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287 | * present in seis. seis may be NULL. Hash is printed to stdout, in |
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288 | * a manner suitable for the status line. Theformat is: |
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289 | * [Hash_type:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,(yyy)] |
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290 | * Where, x..x is the hash |
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291 | * yyy has the following meanings: |
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292 | * OK - calculated hash matches the SEI message |
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293 | * ***ERROR*** - calculated hash does not match the SEI message |
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294 | * unk - no SEI message was available for comparison |
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295 | */ |
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296 | static Void calcAndPrintHashStatus(TComPicYuv& pic, const SEIDecodedPictureHash* pictureHashSEI) |
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297 | { |
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298 | /* calculate MD5sum for entire reconstructed picture */ |
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299 | TComDigest recon_digest; |
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300 | Int numChar=0; |
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301 | const Char* hashType = "\0"; |
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302 | |
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303 | if (pictureHashSEI) |
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304 | { |
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305 | switch (pictureHashSEI->method) |
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306 | { |
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307 | case SEIDecodedPictureHash::MD5: |
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308 | { |
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309 | hashType = "MD5"; |
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310 | numChar = calcMD5(pic, recon_digest); |
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311 | break; |
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312 | } |
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313 | case SEIDecodedPictureHash::CRC: |
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314 | { |
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315 | hashType = "CRC"; |
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316 | numChar = calcCRC(pic, recon_digest); |
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317 | break; |
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318 | } |
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319 | case SEIDecodedPictureHash::CHECKSUM: |
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320 | { |
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321 | hashType = "Checksum"; |
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322 | numChar = calcChecksum(pic, recon_digest); |
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323 | break; |
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324 | } |
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325 | default: |
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326 | { |
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327 | assert (!"unknown hash type"); |
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328 | break; |
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329 | } |
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330 | } |
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331 | } |
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332 | |
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333 | /* compare digest against received version */ |
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334 | const Char* ok = "(unk)"; |
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335 | Bool mismatch = false; |
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336 | |
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337 | if (pictureHashSEI) |
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338 | { |
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339 | ok = "(OK)"; |
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340 | if (recon_digest != pictureHashSEI->m_digest) |
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341 | { |
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342 | ok = "(***ERROR***)"; |
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343 | mismatch = true; |
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344 | } |
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345 | } |
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346 | |
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347 | printf("[%s:%s,%s] ", hashType, digestToString(recon_digest, numChar).c_str(), ok); |
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348 | |
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349 | if (mismatch) |
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350 | { |
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351 | g_md5_mismatch = true; |
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352 | printf("[rx%s:%s] ", hashType, digestToString(pictureHashSEI->m_digest, numChar).c_str()); |
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353 | } |
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354 | } |
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355 | |
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356 | #if Q0074_COLOUR_REMAPPING_SEI |
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357 | Void xInitColourRemappingLut( const Int bitDepthY, const Int bitDepthC, std::vector<Int>(&preLut)[3], std::vector<Int>(&postLut)[3], const SEIColourRemappingInfo* const pCriSEI ) |
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358 | { |
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359 | for ( Int c=0 ; c<3 ; c++ ) |
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360 | { |
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361 | Int bitDepth = c ? bitDepthC : bitDepthY ; |
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362 | preLut[c].resize(1 << bitDepth); |
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363 | postLut[c].resize(1 << pCriSEI->m_colourRemapBitDepth); |
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364 | |
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365 | Int bitDepthDiff = pCriSEI->m_colourRemapBitDepth - bitDepth; |
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366 | Int iShift1 = (bitDepthDiff>0) ? bitDepthDiff : 0; //bit scale from bitdepth to ColourRemapBitdepth (manage only case colourRemapBitDepth>= bitdepth) |
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367 | if( bitDepthDiff<0 ) |
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368 | printf ("Warning: CRI SEI - colourRemapBitDepth (%d) <bitDepth (%d) - case not handled\n", pCriSEI->m_colourRemapBitDepth, bitDepth); |
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369 | bitDepthDiff = pCriSEI->m_colourRemapBitDepth - pCriSEI->m_colourRemapInputBitDepth; |
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370 | Int iShift2 = (bitDepthDiff>0) ? bitDepthDiff : 0; //bit scale from ColourRemapInputBitdepth to ColourRemapBitdepth (manage only case colourRemapBitDepth>= colourRemapInputBitDepth) |
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371 | if( bitDepthDiff<0 ) |
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372 | printf ("Warning: CRI SEI - colourRemapBitDepth (%d) <colourRemapInputBitDepth (%d) - case not handled\n", pCriSEI->m_colourRemapBitDepth, pCriSEI->m_colourRemapInputBitDepth); |
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373 | |
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374 | //Fill preLut |
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375 | for ( Int k=0 ; k<(1<<bitDepth) ; k++ ) |
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376 | { |
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377 | Int iSample = k << iShift1 ; |
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378 | for ( Int iPivot=0 ; iPivot<=pCriSEI->m_preLutNumValMinus1[c] ; iPivot++ ) |
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379 | { |
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380 | Int iCodedPrev = pCriSEI->m_preLutCodedValue[c][iPivot] << iShift2; //Coded in CRInputBitdepth |
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381 | Int iCodedNext = pCriSEI->m_preLutCodedValue[c][iPivot+1] << iShift2; //Coded in CRInputBitdepth |
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382 | Int iTargetPrev = pCriSEI->m_preLutTargetValue[c][iPivot]; //Coded in CRBitdepth |
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383 | Int iTargetNext = pCriSEI->m_preLutTargetValue[c][iPivot+1]; //Coded in CRBitdepth |
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384 | if ( iCodedPrev <= iSample && iSample <= iCodedNext ) |
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385 | { |
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386 | Float fInterpol = (Float)( (iCodedNext - iSample)*iTargetPrev + (iSample - iCodedPrev)*iTargetNext ) * 1.f / (Float)(iCodedNext - iCodedPrev); |
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387 | preLut[c][k] = (Int)( 0.5f + fInterpol ); |
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388 | iPivot = pCriSEI->m_preLutNumValMinus1[c] + 1; |
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389 | } |
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390 | } |
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391 | } |
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392 | |
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393 | //Fill postLut |
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394 | for ( Int k=0 ; k<(1<<pCriSEI->m_colourRemapBitDepth) ; k++ ) |
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395 | { |
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396 | Int iSample = k; |
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397 | for ( Int iPivot=0 ; iPivot<=pCriSEI->m_postLutNumValMinus1[c] ; iPivot++ ) |
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398 | { |
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399 | Int iCodedPrev = pCriSEI->m_postLutCodedValue[c][iPivot]; //Coded in CRBitdepth |
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400 | Int iCodedNext = pCriSEI->m_postLutCodedValue[c][iPivot+1]; //Coded in CRBitdepth |
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401 | Int iTargetPrev = pCriSEI->m_postLutTargetValue[c][iPivot]; //Coded in CRBitdepth |
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402 | Int iTargetNext = pCriSEI->m_postLutTargetValue[c][iPivot+1]; //Coded in CRBitdepth |
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403 | if ( iCodedPrev <= iSample && iSample <= iCodedNext ) |
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404 | { |
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405 | Float fInterpol = (Float)( (iCodedNext - iSample)*iTargetPrev + (iSample - iCodedPrev)*iTargetNext ) * 1.f / (Float)(iCodedNext - iCodedPrev) ; |
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406 | postLut[c][k] = (Int)( 0.5f + fInterpol ); |
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407 | iPivot = pCriSEI->m_postLutNumValMinus1[c] + 1; |
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408 | } |
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409 | } |
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410 | } |
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411 | } |
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412 | } |
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413 | |
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414 | static Void applyColourRemapping(TComPicYuv& pic, const SEIColourRemappingInfo* pCriSEI, UInt layerId ) |
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415 | { |
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416 | if( !storeCriSEI.size() ) |
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417 | #if SVC_EXTENSION |
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418 | storeCriSEI.resize(MAX_LAYERS); |
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419 | #else |
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420 | storeCriSEI.resize(1); |
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421 | #endif |
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422 | |
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423 | if ( pCriSEI ) //if a CRI SEI has just been retrieved, keep it in memory (persistence management) |
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424 | storeCriSEI[layerId] = *pCriSEI; |
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425 | |
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426 | if( !storeCriSEI[layerId].m_colourRemapCancelFlag ) |
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427 | { |
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428 | Int iHeight = pic.getHeight(COMPONENT_Y); |
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429 | Int iWidth = pic.getWidth(COMPONENT_Y); |
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430 | Int iStride = pic.getStride(COMPONENT_Y); |
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431 | Int iCStride = pic.getStride(COMPONENT_Cb); |
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432 | |
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433 | Pel *YUVIn[3], *YUVOut[3]; |
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434 | YUVIn[0] = pic.getAddr(COMPONENT_Y); |
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435 | YUVIn[1] = pic.getAddr(COMPONENT_Cb); |
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436 | YUVIn[2] = pic.getAddr(COMPONENT_Cr); |
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437 | |
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438 | TComPicYuv picColourRemapped; |
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439 | #if SVC_EXTENSION |
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440 | picColourRemapped.create( pic.getWidth(COMPONENT_Y), pic.getHeight(COMPONENT_Y), pic.getChromaFormat(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, NULL ); |
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441 | #else |
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442 | picColourRemapped.create( pic.getWidth(COMPONENT_Y), pic.getHeight(COMPONENT_Y), pic.getChromaFormat(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth ); |
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443 | #endif |
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444 | YUVOut[0] = picColourRemapped.getAddr(COMPONENT_Y); |
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445 | YUVOut[1] = picColourRemapped.getAddr(COMPONENT_Cb); |
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446 | YUVOut[2] = picColourRemapped.getAddr(COMPONENT_Cr); |
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447 | |
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448 | #if SVC_EXTENSION |
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449 | Int bitDepthY = g_bitDepthLayer[CHANNEL_TYPE_LUMA][layerId]; |
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450 | Int bitDepthC = g_bitDepthLayer[CHANNEL_TYPE_CHROMA][layerId]; |
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451 | |
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452 | assert( g_bitDepth[CHANNEL_TYPE_LUMA] == bitDepthY ); |
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453 | assert( g_bitDepth[CHANNEL_TYPE_CHROMA] == bitDepthC ); |
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454 | #else |
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455 | Int bitDepthY = g_bitDepth[CHANNEL_TYPE_LUMA]; |
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456 | Int bitDepthC = g_bitDepth[CHANNEL_TYPE_CHROMA]; |
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457 | #endif |
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458 | |
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459 | std::vector<Int> preLut[3]; |
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460 | std::vector<Int> postLut[3]; |
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461 | xInitColourRemappingLut( bitDepthY, bitDepthC, preLut, postLut, &storeCriSEI[layerId] ); |
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462 | |
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463 | Int roundingOffset = (storeCriSEI[layerId].m_log2MatrixDenom==0) ? 0 : (1 << (storeCriSEI[layerId].m_log2MatrixDenom - 1)); |
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464 | |
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465 | for( Int y = 0; y < iHeight ; y++ ) |
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466 | { |
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467 | for( Int x = 0; x < iWidth ; x++ ) |
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468 | { |
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469 | Int YUVPre[3], YUVMat[3]; |
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470 | YUVPre[0] = preLut[0][ YUVIn[0][x] ]; |
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471 | YUVPre[1] = preLut[1][ YUVIn[1][x>>1] ]; |
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472 | YUVPre[2] = preLut[2][ YUVIn[2][x>>1] ]; |
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473 | |
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474 | YUVMat[0] = ( storeCriSEI[layerId].m_colourRemapCoeffs[0][0]*YUVPre[0] |
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475 | + storeCriSEI[layerId].m_colourRemapCoeffs[0][1]*YUVPre[1] |
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476 | + storeCriSEI[layerId].m_colourRemapCoeffs[0][2]*YUVPre[2] |
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477 | + roundingOffset ) >> ( storeCriSEI[layerId].m_log2MatrixDenom ); |
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478 | YUVMat[0] = Clip3( 0, (1<<storeCriSEI[layerId].m_colourRemapBitDepth)-1, YUVMat[0] ); |
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479 | YUVOut[0][x] = postLut[0][ YUVMat[0] ]; |
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480 | |
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481 | if( (y&1) && (x&1) ) |
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482 | { |
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483 | for(Int c=1 ; c<3 ; c++) |
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484 | { |
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485 | YUVMat[c] = ( storeCriSEI[layerId].m_colourRemapCoeffs[c][0]*YUVPre[0] |
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486 | + storeCriSEI[layerId].m_colourRemapCoeffs[c][1]*YUVPre[1] |
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487 | + storeCriSEI[layerId].m_colourRemapCoeffs[c][2]*YUVPre[2] |
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488 | + roundingOffset ) >> ( storeCriSEI[layerId].m_log2MatrixDenom ); |
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489 | YUVMat[c] = Clip3( 0, (1<<storeCriSEI[layerId].m_colourRemapBitDepth)-1, YUVMat[c] ); |
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490 | YUVOut[c][x>>1] = postLut[c][ YUVMat[c] ]; |
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491 | } |
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492 | } |
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493 | } |
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494 | YUVIn[0] += iStride; |
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495 | YUVOut[0] += iStride; |
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496 | if( y&1 ) |
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497 | { |
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498 | YUVIn[1] += iCStride; |
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499 | YUVIn[2] += iCStride; |
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500 | YUVOut[1] += iCStride; |
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501 | YUVOut[2] += iCStride; |
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502 | } |
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503 | } |
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504 | |
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505 | //Write remapped picture in decoding order |
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506 | Char cTemp[255]; |
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507 | sprintf(cTemp, "seiColourRemappedPic_L%d_%dx%d_%dbits.yuv", layerId, iWidth, iHeight, storeCriSEI[layerId].m_colourRemapBitDepth ); |
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508 | picColourRemapped.dump( cTemp, true, storeCriSEI[layerId].m_colourRemapBitDepth ); |
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509 | |
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510 | picColourRemapped.destroy(); |
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511 | |
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512 | storeCriSEI[layerId].m_colourRemapCancelFlag = !storeCriSEI[layerId].m_colourRemapPersistenceFlag; //Handling persistence |
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513 | } |
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514 | } |
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515 | #endif |
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516 | //! \} |
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