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 | // ==================================================================================================================== |
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67 | // Constructor / destructor / initialization / destroy |
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68 | // ==================================================================================================================== |
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69 | |
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70 | TDecGop::TDecGop() |
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71 | { |
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72 | m_dDecTime = 0; |
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73 | } |
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74 | |
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75 | TDecGop::~TDecGop() |
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76 | { |
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77 | |
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78 | } |
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79 | |
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80 | #if SVC_EXTENSION |
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81 | Void TDecGop::create(UInt layerId) |
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82 | { |
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83 | m_layerId = layerId; |
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84 | } |
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85 | #else |
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86 | Void TDecGop::create() |
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87 | { |
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88 | |
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89 | } |
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90 | #endif |
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91 | |
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92 | Void TDecGop::destroy() |
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93 | { |
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94 | } |
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95 | |
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96 | #if SVC_EXTENSION |
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97 | Void TDecGop::init( TDecTop** ppcDecTop, |
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98 | TDecEntropy* pcEntropyDecoder, |
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99 | #else |
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100 | Void TDecGop::init( TDecEntropy* pcEntropyDecoder, |
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101 | #endif |
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102 | TDecSbac* pcSbacDecoder, |
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103 | TDecBinCABAC* pcBinCABAC, |
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104 | TDecCavlc* pcCavlcDecoder, |
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105 | TDecSlice* pcSliceDecoder, |
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106 | TComLoopFilter* pcLoopFilter, |
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107 | TComSampleAdaptiveOffset* pcSAO |
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108 | ) |
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109 | { |
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110 | m_pcEntropyDecoder = pcEntropyDecoder; |
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111 | m_pcSbacDecoder = pcSbacDecoder; |
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112 | m_pcBinCABAC = pcBinCABAC; |
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113 | m_pcCavlcDecoder = pcCavlcDecoder; |
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114 | m_pcSliceDecoder = pcSliceDecoder; |
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115 | m_pcLoopFilter = pcLoopFilter; |
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116 | m_pcSAO = pcSAO; |
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117 | #if SVC_EXTENSION |
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118 | m_ppcTDecTop = ppcDecTop; |
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119 | #endif |
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120 | } |
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121 | |
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122 | |
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123 | // ==================================================================================================================== |
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124 | // Private member functions |
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125 | // ==================================================================================================================== |
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126 | // ==================================================================================================================== |
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127 | // Public member functions |
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128 | // ==================================================================================================================== |
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129 | |
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130 | Void TDecGop::decompressSlice(TComInputBitstream* pcBitstream, TComPic* pcPic) |
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131 | { |
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132 | TComSlice* pcSlice = pcPic->getSlice(pcPic->getCurrSliceIdx()); |
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133 | // Table of extracted substreams. |
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134 | // These must be deallocated AND their internal fifos, too. |
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135 | TComInputBitstream **ppcSubstreams = NULL; |
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136 | |
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137 | //-- For time output for each slice |
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138 | clock_t iBeforeTime = clock(); |
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139 | m_pcSbacDecoder->init( (TDecBinIf*)m_pcBinCABAC ); |
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140 | m_pcEntropyDecoder->setEntropyDecoder (m_pcSbacDecoder); |
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141 | |
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142 | const UInt uiNumSubstreams = pcSlice->getNumberOfSubstreamSizes()+1; |
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143 | |
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144 | // init each couple {EntropyDecoder, Substream} |
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145 | ppcSubstreams = new TComInputBitstream*[uiNumSubstreams]; |
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146 | for ( UInt ui = 0 ; ui < uiNumSubstreams ; ui++ ) |
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147 | { |
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148 | ppcSubstreams[ui] = pcBitstream->extractSubstream(ui+1 < uiNumSubstreams ? (pcSlice->getSubstreamSize(ui)<<3) : pcBitstream->getNumBitsLeft()); |
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149 | } |
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150 | |
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151 | m_pcSliceDecoder->decompressSlice( ppcSubstreams, pcPic, m_pcSbacDecoder); |
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152 | // deallocate all created substreams, including internal buffers. |
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153 | for (UInt ui = 0; ui < uiNumSubstreams; ui++) |
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154 | { |
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155 | ppcSubstreams[ui]->deleteFifo(); |
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156 | delete ppcSubstreams[ui]; |
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157 | } |
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158 | delete[] ppcSubstreams; |
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159 | |
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160 | m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC; |
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161 | } |
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162 | |
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163 | Void TDecGop::filterPicture(TComPic* pcPic) |
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164 | { |
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165 | TComSlice* pcSlice = pcPic->getSlice(pcPic->getCurrSliceIdx()); |
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166 | |
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167 | //-- For time output for each slice |
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168 | clock_t iBeforeTime = clock(); |
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169 | |
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170 | // deblocking filter |
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171 | Bool bLFCrossTileBoundary = pcSlice->getPPS()->getLoopFilterAcrossTilesEnabledFlag(); |
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172 | m_pcLoopFilter->setCfg(bLFCrossTileBoundary); |
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173 | m_pcLoopFilter->loopFilterPic( pcPic ); |
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174 | |
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175 | if( pcSlice->getSPS()->getUseSAO() ) |
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176 | { |
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177 | m_pcSAO->reconstructBlkSAOParams(pcPic, pcPic->getPicSym()->getSAOBlkParam()); |
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178 | m_pcSAO->SAOProcess(pcPic); |
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179 | m_pcSAO->PCMLFDisableProcess(pcPic); |
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180 | } |
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181 | |
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182 | pcPic->compressMotion(); |
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183 | Char c = (pcSlice->isIntra() ? 'I' : pcSlice->isInterP() ? 'P' : 'B'); |
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184 | if (!pcSlice->isReferenced()) |
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185 | { |
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186 | c += 32; |
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187 | } |
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188 | |
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189 | //-- For time output for each slice |
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190 | #if SVC_EXTENSION |
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191 | printf("POC %4d LId: %1d TId: %1d ( %c-SLICE %s, QP%3d ) ", pcSlice->getPOC(), |
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192 | pcPic->getLayerId(), |
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193 | pcSlice->getTLayer(), |
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194 | c, |
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195 | NaluToStr( pcSlice->getNalUnitType() ).data(), |
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196 | pcSlice->getSliceQp() ); |
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197 | #else |
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198 | printf("POC %4d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getPOC(), |
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199 | pcSlice->getTLayer(), |
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200 | c, |
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201 | pcSlice->getSliceQp() ); |
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202 | |
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203 | #endif |
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204 | m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC; |
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205 | printf ("[DT %6.3f] ", m_dDecTime ); |
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206 | m_dDecTime = 0; |
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207 | |
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208 | for (Int iRefList = 0; iRefList < 2; iRefList++) |
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209 | { |
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210 | printf ("[L%d ", iRefList); |
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211 | for (Int iRefIndex = 0; iRefIndex < pcSlice->getNumRefIdx(RefPicList(iRefList)); iRefIndex++) |
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212 | { |
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213 | #if SVC_EXTENSION |
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214 | if( pcSlice->getRefPic(RefPicList(iRefList), iRefIndex)->isILR( m_layerId ) ) |
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215 | { |
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216 | UInt refLayerId = pcSlice->getRefPic(RefPicList(iRefList), iRefIndex)->getLayerId(); |
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217 | UInt refLayerIdc = pcSlice->getReferenceLayerIdc(refLayerId); |
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218 | assert( g_posScalingFactor[refLayerIdc][0] ); |
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219 | assert( g_posScalingFactor[refLayerIdc][1] ); |
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220 | |
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221 | 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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222 | } |
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223 | else |
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224 | { |
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225 | printf ("%d", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex)); |
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226 | } |
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227 | |
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228 | if( pcSlice->getEnableTMVPFlag() && iRefList == 1 - pcSlice->getColFromL0Flag() && iRefIndex == pcSlice->getColRefIdx() ) |
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229 | { |
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230 | printf( "c" ); |
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231 | } |
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232 | |
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233 | printf( " " ); |
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234 | #else |
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235 | printf ("%d ", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex)); |
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236 | #endif |
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237 | } |
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238 | printf ("] "); |
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239 | } |
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240 | if (m_decodedPictureHashSEIEnabled) |
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241 | { |
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242 | SEIMessages pictureHashes = getSeisByType(pcPic->getSEIs(), SEI::DECODED_PICTURE_HASH ); |
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243 | const SEIDecodedPictureHash *hash = ( pictureHashes.size() > 0 ) ? (SEIDecodedPictureHash*) *(pictureHashes.begin()) : NULL; |
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244 | if (pictureHashes.size() > 1) |
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245 | { |
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246 | printf ("Warning: Got multiple decoded picture hash SEI messages. Using first."); |
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247 | } |
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248 | calcAndPrintHashStatus(*(pcPic->getPicYuvRec()), hash); |
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249 | } |
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250 | #if CONFORMANCE_BITSTREAM_MODE |
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251 | if( this->getLayerDec(pcPic->getLayerId())->getConfModeFlag() ) |
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252 | { |
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253 | // Add this reconstructed picture to the parallel buffer. |
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254 | std::vector<TComPic> *thisLayerBuffer = (this->getLayerDec(pcPic->getLayerId()))->getConfListPic(); |
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255 | thisLayerBuffer->push_back(*pcPic); |
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256 | std::sort( thisLayerBuffer->begin(), thisLayerBuffer->end(), pocCompareFunction ); |
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257 | } |
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258 | #endif |
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259 | |
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260 | printf("\n"); |
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261 | |
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262 | pcPic->setOutputMark(pcPic->getSlice(0)->getPicOutputFlag() ? true : false); |
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263 | pcPic->setReconMark(true); |
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264 | } |
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265 | |
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266 | /** |
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267 | * Calculate and print hash for pic, compare to picture_digest SEI if |
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268 | * present in seis. seis may be NULL. Hash is printed to stdout, in |
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269 | * a manner suitable for the status line. Theformat is: |
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270 | * [Hash_type:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,(yyy)] |
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271 | * Where, x..x is the hash |
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272 | * yyy has the following meanings: |
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273 | * OK - calculated hash matches the SEI message |
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274 | * ***ERROR*** - calculated hash does not match the SEI message |
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275 | * unk - no SEI message was available for comparison |
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276 | */ |
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277 | static Void calcAndPrintHashStatus(TComPicYuv& pic, const SEIDecodedPictureHash* pictureHashSEI) |
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278 | { |
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279 | /* calculate MD5sum for entire reconstructed picture */ |
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280 | TComDigest recon_digest; |
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281 | Int numChar=0; |
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282 | const Char* hashType = "\0"; |
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283 | |
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284 | if (pictureHashSEI) |
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285 | { |
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286 | switch (pictureHashSEI->method) |
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287 | { |
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288 | case SEIDecodedPictureHash::MD5: |
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289 | { |
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290 | hashType = "MD5"; |
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291 | numChar = calcMD5(pic, recon_digest); |
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292 | break; |
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293 | } |
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294 | case SEIDecodedPictureHash::CRC: |
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295 | { |
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296 | hashType = "CRC"; |
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297 | numChar = calcCRC(pic, recon_digest); |
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298 | break; |
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299 | } |
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300 | case SEIDecodedPictureHash::CHECKSUM: |
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301 | { |
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302 | hashType = "Checksum"; |
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303 | numChar = calcChecksum(pic, recon_digest); |
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304 | break; |
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305 | } |
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306 | default: |
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307 | { |
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308 | assert (!"unknown hash type"); |
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309 | break; |
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310 | } |
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311 | } |
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312 | } |
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313 | |
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314 | /* compare digest against received version */ |
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315 | const Char* ok = "(unk)"; |
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316 | Bool mismatch = false; |
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317 | |
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318 | if (pictureHashSEI) |
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319 | { |
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320 | ok = "(OK)"; |
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321 | if (recon_digest != pictureHashSEI->m_digest) |
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322 | { |
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323 | ok = "(***ERROR***)"; |
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324 | mismatch = true; |
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325 | } |
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326 | } |
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327 | |
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328 | printf("[%s:%s,%s] ", hashType, digestToString(recon_digest, numChar).c_str(), ok); |
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329 | |
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330 | if (mismatch) |
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331 | { |
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332 | g_md5_mismatch = true; |
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333 | printf("[rx%s:%s] ", hashType, digestToString(pictureHashSEI->m_digest, numChar).c_str()); |
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334 | } |
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335 | } |
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336 | |
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337 | //! \} |
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