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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 TComPic.cpp
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35 \brief picture class
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36 */
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37
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38 #include "TComPic.h"
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39 #include "SEI.h"
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40
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41 //! \ingroup TLibCommon
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42 //! \{
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43
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44 // ====================================================================================================================
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45 // Constructor / destructor / create / destroy
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46 // ====================================================================================================================
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47
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48 TComPic::TComPic()
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49 : m_uiTLayer (0)
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50 , m_bUsedByCurr (false)
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51 , m_bIsLongTerm (false)
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52 , m_apcPicSym (NULL)
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53 , m_pcPicYuvPred (NULL)
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54 , m_pcPicYuvResi (NULL)
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55 , m_bReconstructed (false)
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56 , m_bNeededForOutput (false)
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57 , m_uiCurrSliceIdx (0)
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58 , m_bCheckLTMSB (false)
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59 {
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60 for(UInt i=0; i<NUM_PIC_YUV; i++)
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61 {
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62 m_apcPicYuv[i] = NULL;
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63 }
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64 }
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65
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66 TComPic::~TComPic()
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67 {
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68 }
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69
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70 Void TComPic::create( Int iWidth, Int iHeight, ChromaFormat chromaFormatIDC, UInt uiMaxWidth, UInt uiMaxHeight, UInt uiMaxDepth, Window &conformanceWindow, Window &defaultDisplayWindow,
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71 Int *numReorderPics, Bool bIsVirtual)
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72 {
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73 m_apcPicSym = new TComPicSym; m_apcPicSym ->create( chromaFormatIDC, iWidth, iHeight, uiMaxWidth, uiMaxHeight, uiMaxDepth );
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74 if (!bIsVirtual)
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75 {
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76 m_apcPicYuv[PIC_YUV_ORG] = new TComPicYuv; m_apcPicYuv[PIC_YUV_ORG]->create( iWidth, iHeight, chromaFormatIDC, uiMaxWidth, uiMaxHeight, uiMaxDepth );
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77 m_apcPicYuv[PIC_YUV_TRUE_ORG] = new TComPicYuv; m_apcPicYuv[PIC_YUV_TRUE_ORG]->create( iWidth, iHeight, chromaFormatIDC, uiMaxWidth, uiMaxHeight, uiMaxDepth );
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78 }
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79 m_apcPicYuv[PIC_YUV_REC] = new TComPicYuv; m_apcPicYuv[PIC_YUV_REC]->create( iWidth, iHeight, chromaFormatIDC, uiMaxWidth, uiMaxHeight, uiMaxDepth );
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80
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81 // there are no SEI messages associated with this picture initially
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82 if (m_SEIs.size() > 0)
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83 {
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84 deleteSEIs (m_SEIs);
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85 }
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86 m_bUsedByCurr = false;
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87
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88 /* store conformance window parameters with picture */
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89 m_conformanceWindow = conformanceWindow;
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90
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91 /* store display window parameters with picture */
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92 m_defaultDisplayWindow = defaultDisplayWindow;
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93
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94 /* store number of reorder pics with picture */
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95 memcpy(m_numReorderPics, numReorderPics, MAX_TLAYER*sizeof(Int));
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96
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97 return;
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98 }
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99
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100 Void TComPic::destroy()
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101 {
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102 if (m_apcPicSym)
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103 {
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104 m_apcPicSym->destroy();
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105 delete m_apcPicSym;
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106 m_apcPicSym = NULL;
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107 }
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108
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109 for(UInt i=0; i<NUM_PIC_YUV; i++)
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110 {
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111 if (m_apcPicYuv[i])
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112 {
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113 m_apcPicYuv[i]->destroy();
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114 delete m_apcPicYuv[i];
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115 m_apcPicYuv[i] = NULL;
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116 }
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117 }
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118
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119 deleteSEIs(m_SEIs);
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120 }
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121
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122 Void TComPic::compressMotion()
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123 {
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124 TComPicSym* pPicSym = getPicSym();
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125 for ( UInt uiCUAddr = 0; uiCUAddr < pPicSym->getNumberOfCtusInFrame(); uiCUAddr++ )
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126 {
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127 TComDataCU* pCtu = pPicSym->getCtu(uiCUAddr);
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128 pCtu->compressMV();
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129 }
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130 }
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131
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132 Bool TComPic::getSAOMergeAvailability(Int currAddr, Int mergeAddr)
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133 {
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134 Bool mergeCtbInSliceSeg = (mergeAddr >= getPicSym()->getCtuTsToRsAddrMap(getCtu(currAddr)->getSlice()->getSliceCurStartCtuTsAddr()));
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135 Bool mergeCtbInTile = (getPicSym()->getTileIdxMap(mergeAddr) == getPicSym()->getTileIdxMap(currAddr));
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136 return (mergeCtbInSliceSeg && mergeCtbInTile);
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137 }
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138
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139 UInt TComPic::getSubstreamForCtuAddr(const UInt ctuAddr, const Bool bAddressInRaster, TComSlice *pcSlice)
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140 {
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141 UInt subStrm;
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142
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143 if (pcSlice->getPPS()->getNumSubstreams() > 1) // wavefronts, and possibly tiles being used.
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144 {
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145 if (pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
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146 {
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147 const TComPicSym &picSym = *(getPicSym());
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148 const UInt ctuRsAddr = bAddressInRaster?ctuAddr : picSym.getCtuTsToRsAddrMap(ctuAddr);
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149 const UInt frameWidthInCtus = picSym.getFrameWidthInCtus();
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150 const UInt tileIndex = picSym.getTileIdxMap(ctuRsAddr);
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151 const UInt numTileColumns = (picSym.getNumTileColumnsMinus1()+1);
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152 const TComTile *pTile = picSym.getTComTile(tileIndex);
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153 const UInt firstCtuRsAddrOfTile = pTile->getFirstCtuRsAddr();
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154 const UInt tileYInCtus = firstCtuRsAddrOfTile / frameWidthInCtus;
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155 // independent tiles => substreams are "per tile"
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156 const UInt ctuLine = ctuRsAddr / frameWidthInCtus;
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157 const UInt startingSubstreamForTile =(tileYInCtus*numTileColumns) + (pTile->getTileHeightInCtus()*(tileIndex%numTileColumns));
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158 subStrm = startingSubstreamForTile + (ctuLine - tileYInCtus);
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159 }
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160 else
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161 {
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162 const TComPicSym &picSym = *(getPicSym());
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163 const UInt ctuRsAddr = bAddressInRaster?ctuAddr : picSym.getCtuTsToRsAddrMap(ctuAddr);
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164 const UInt tileIndex = picSym.getTileIdxMap(ctuRsAddr);
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165 subStrm=tileIndex;
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166 }
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167 }
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168 else
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169 {
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170 // dependent tiles => substreams are "per frame".
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171 subStrm = 0;
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172 }
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173 return subStrm;
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174 }
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175
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176
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177 //! \}
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