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) 2010-2011, 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 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 | |
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35 | |
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36 | /** \file TComDepthMapGenerator.cpp |
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37 | \brief depth map generator class |
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38 | */ |
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39 | |
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40 | |
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41 | |
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42 | #include "CommonDef.h" |
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43 | #include "TComDepthMapGenerator.h" |
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44 | |
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45 | #if H_3D_IV_MERGE |
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46 | |
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47 | TComDepthMapGenerator::TComDepthMapGenerator() |
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48 | { |
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49 | m_bCreated = false; |
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50 | m_bInit = false; |
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51 | m_bDecoder = false; |
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52 | m_pcPrediction = 0; |
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53 | m_pcSPSAccess = 0; |
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54 | m_pcAUPicAccess = 0; |
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55 | |
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56 | m_uiSubSampExpX = 0; |
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57 | m_uiSubSampExpY = 0; |
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58 | } |
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59 | |
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60 | TComDepthMapGenerator::~TComDepthMapGenerator() |
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61 | { |
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62 | destroy (); |
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63 | uninit (); |
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64 | } |
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65 | |
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66 | Void |
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67 | TComDepthMapGenerator::create( Bool bDecoder, UInt uiPicWidth, UInt uiPicHeight, UInt uiMaxCUDepth, UInt uiMaxCUWidth, UInt uiMaxCUHeight, UInt uiOrgBitDepth, UInt uiSubSampExpX, UInt uiSubSampExpY ) |
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68 | { |
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69 | destroy(); |
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70 | m_bDecoder = bDecoder; |
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71 | |
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72 | m_uiSubSampExpX = uiSubSampExpX; |
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73 | m_uiSubSampExpY = uiSubSampExpY; |
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74 | m_bCreated = true; |
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75 | } |
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76 | |
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77 | Void |
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78 | TComDepthMapGenerator::destroy() |
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79 | { |
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80 | if( m_bCreated ) |
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81 | { |
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82 | m_bCreated = false; |
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83 | |
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84 | m_uiSubSampExpX = 0; |
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85 | m_uiSubSampExpY = 0; |
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86 | m_bDecoder = false; |
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87 | } |
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88 | } |
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89 | |
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90 | |
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91 | Void |
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92 | TComDepthMapGenerator::init( TComPrediction* pcPrediction, TComVPSAccess* pcVPSAccess, TComSPSAccess* pcSPSAccess, TComAUPicAccess* pcAUPicAccess ) |
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93 | { |
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94 | AOF( pcPrediction ); |
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95 | AOF( pcSPSAccess ); |
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96 | AOF( pcAUPicAccess ); |
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97 | uninit(); |
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98 | m_pcPrediction = pcPrediction; |
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99 | m_pcVPSAccess = pcVPSAccess; |
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100 | m_pcSPSAccess = pcSPSAccess; |
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101 | m_pcAUPicAccess = pcAUPicAccess; |
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102 | m_bInit = true; |
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103 | } |
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104 | |
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105 | Void |
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106 | TComDepthMapGenerator::uninit() |
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107 | { |
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108 | if( m_bInit ) |
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109 | { |
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110 | m_bInit = false; |
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111 | m_pcPrediction = 0; |
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112 | m_pcSPSAccess = 0; |
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113 | m_pcAUPicAccess = 0; |
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114 | } |
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115 | } |
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116 | |
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117 | Void |
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118 | TComDepthMapGenerator::initViewComponent( TComPic* pcPic ) |
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119 | { |
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120 | AOF ( m_bCreated && m_bInit ); |
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121 | AOF ( pcPic ); |
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122 | AOT ( pcPic->getSPS()->getViewIndex() && !pcPic->getSPS()->isDepth() && pcPic->getPOC() && pcPic->getSPS()->getPredDepthMapGeneration() != m_pcSPSAccess->getPdm() ); |
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123 | m_bPDMAvailable = false; |
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124 | m_uiCurrViewIndex = pcPic->getSPS()->getViewIndex(); |
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125 | |
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126 | // update SPS list and AU pic list and set depth map generator in SPS |
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127 | m_pcVPSAccess ->addVPS( pcPic->getVPS() ); |
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128 | m_pcSPSAccess ->addSPS( pcPic->getSPS() ); |
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129 | m_pcAUPicAccess->addPic( pcPic ); |
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130 | pcPic->getSPS()->setDepthMapGenerator( this ); |
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131 | |
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132 | // check whether we have depth data or don't use pred depth prediction |
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133 | ROFVS( pcPic->getSPS()->getViewIndex() ); |
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134 | ROTVS( pcPic->getSPS()->isDepth () ); |
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135 | ROFVS( m_pcSPSAccess->getPdm () ); |
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136 | } |
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137 | |
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138 | Bool |
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139 | TComDepthMapGenerator::getPdmCandidate(TComDataCU* pcCU, UInt uiPartIdx, RefPicList eRefPicList, Int iRefIdx, Int* paiPdmRefIdx, TComMv* pacPdmMv, DisInfo* pDInfo, Int* iPdm, Bool bMerge ) |
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140 | { |
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141 | AOF ( m_bCreated && m_bInit ); |
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142 | TComSlice* pcSlice = pcCU->getSlice (); |
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143 | TComSPS* pcSPS = pcSlice->getSPS(); |
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144 | AOF ( pcSPS->getViewIndex() == m_uiCurrViewIndex ); |
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145 | |
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146 | TComPic* pcRefPic = pcSlice->getRefPic( eRefPicList, iRefIdx ); |
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147 | UInt uiRefViewId = pcRefPic->getSPS()->getViewIndex(); |
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148 | Bool bInterview = ( uiRefViewId < m_uiCurrViewIndex ); |
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149 | Bool bPdmIView = ( ( pcSPS->getMultiviewMvPredMode() & PDM_USE_FOR_IVIEW ) == PDM_USE_FOR_IVIEW ); |
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150 | Bool bPdmInter = ( ( pcSPS->getMultiviewMvPredMode() & PDM_USE_FOR_INTER ) == PDM_USE_FOR_INTER ); |
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151 | Bool bPdmMerge = ( ( pcSPS->getMultiviewMvPredMode() & PDM_USE_FOR_MERGE ) == PDM_USE_FOR_MERGE ); |
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152 | if(!bMerge) |
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153 | { |
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154 | ROTRS( ( bInterview && !bMerge ) && !bPdmIView, false ); |
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155 | ROTRS( (!bInterview && !bMerge ) && !bPdmInter, false ); |
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156 | ROTRS( bMerge && !bPdmMerge, false ); |
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157 | } |
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158 | else |
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159 | ROTRS( !bPdmMerge, 0 ); |
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160 | |
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161 | |
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162 | Bool abPdmAvailable[4] = {false, false, false, false}; |
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163 | |
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164 | Int iValid = 0; |
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165 | Int iViewIndex = 0; |
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166 | for( UInt uiBIndex = 0; uiBIndex < m_uiCurrViewIndex && iValid==0; uiBIndex++ ) |
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167 | { |
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168 | |
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169 | UInt uiBaseIndex = uiBIndex; |
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170 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( uiBaseIndex ); |
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171 | for( Int iRefListId = 0; iRefListId < 2 && iValid==0; iRefListId++ ) |
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172 | { |
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173 | RefPicList eRefPicListTest = RefPicList( iRefListId ); |
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174 | Int iNumRefPics = pcSlice->getNumRefIdx( eRefPicListTest ) ; |
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175 | for( Int iRefIndex = 0; iRefIndex < iNumRefPics; iRefIndex++ ) |
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176 | { |
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177 | if(pcBasePic->getPOC() == pcSlice->getRefPic( eRefPicListTest, iRefIndex )->getPOC() |
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178 | && pcBasePic->getViewIndex() == pcSlice->getRefPic( eRefPicListTest, iRefIndex )->getViewIndex()) |
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179 | { |
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180 | iValid=1; |
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181 | iViewIndex = uiBaseIndex; |
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182 | break; |
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183 | } |
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184 | } |
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185 | } |
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186 | } |
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187 | if (iValid == 0) |
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188 | return false; |
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189 | |
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190 | //--- get base CU/PU and check prediction mode --- |
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191 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( iViewIndex ); |
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192 | TComPicYuv* pcBaseRec = pcBasePic->getPicYuvRec (); |
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193 | if(bMerge || !bInterview) |
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194 | { |
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195 | Int iCurrPosX, iCurrPosY; |
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196 | UInt uiPartAddr; |
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197 | Int iWidth; |
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198 | Int iHeight; |
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199 | |
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200 | pcCU->getPartIndexAndSize( uiPartIdx, uiPartAddr, iWidth, iHeight ); |
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201 | pcBaseRec->getTopLeftSamplePos( pcCU->getAddr(), pcCU->getZorderIdxInCU() + uiPartAddr, iCurrPosX, iCurrPosY ); |
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202 | iCurrPosX += ( ( iWidth - 1 ) >> 1 ); |
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203 | iCurrPosY += ( ( iHeight - 1 ) >> 1 ); |
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204 | |
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205 | Int iBasePosX = Clip3( 0, pcBaseRec->getWidth () - 1, iCurrPosX + ( (pDInfo->m_acNBDV.getHor() + 2 ) >> 2 ) ); |
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206 | Int iBasePosY = Clip3( 0, pcBaseRec->getHeight() - 1, iCurrPosY + ( (pDInfo->m_acNBDV.getVer() + 2 ) >> 2 )); |
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207 | Int iBaseCUAddr; |
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208 | Int iBaseAbsPartIdx; |
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209 | pcBaseRec->getCUAddrAndPartIdx( iBasePosX , iBasePosY , iBaseCUAddr, iBaseAbsPartIdx ); |
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210 | |
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211 | TComDataCU* pcBaseCU = pcBasePic->getCU( iBaseCUAddr ); |
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212 | if(!( pcBaseCU->getPredictionMode( iBaseAbsPartIdx ) == MODE_INTRA )) |
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213 | { |
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214 | for( UInt uiCurrRefListId = 0; uiCurrRefListId < 2; uiCurrRefListId++ ) |
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215 | { |
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216 | RefPicList eCurrRefPicList = RefPicList( uiCurrRefListId ); |
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217 | if(!bMerge && eCurrRefPicList != eRefPicList) |
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218 | continue; |
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219 | Bool bLoop_stop = false; |
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220 | for(Int iLoop = 0; iLoop < 2 && !bLoop_stop; ++iLoop) |
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221 | { |
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222 | RefPicList eBaseRefPicList = (iLoop ==1)? RefPicList( 1 - uiCurrRefListId ) : RefPicList( uiCurrRefListId ); |
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223 | TComMvField cBaseMvField; |
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224 | pcBaseCU->getMvField( pcBaseCU, iBaseAbsPartIdx, eBaseRefPicList, cBaseMvField ); |
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225 | Int iBaseRefIdx = cBaseMvField.getRefIdx(); |
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226 | if (iBaseRefIdx >= 0) |
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227 | { |
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228 | Int iBaseRefPOC = pcBaseCU->getSlice()->getRefPOC(eBaseRefPicList, iBaseRefIdx); |
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229 | if (iBaseRefPOC != pcSlice->getPOC()) |
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230 | { |
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231 | for (Int iPdmRefIdx = (bMerge?0: iRefIdx); iPdmRefIdx < (bMerge? pcSlice->getNumRefIdx( eCurrRefPicList ): (iRefIdx+1)); iPdmRefIdx++) |
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232 | { |
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233 | if (iBaseRefPOC == pcSlice->getRefPOC(eCurrRefPicList, iPdmRefIdx)) |
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234 | { |
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235 | abPdmAvailable[ uiCurrRefListId ] = true; |
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236 | TComMv cMv(cBaseMvField.getHor(), cBaseMvField.getVer()); |
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237 | |
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238 | //if( bMerge ) |
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239 | //{ |
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240 | //cMv.m_bDvMcp = true; |
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241 | //cMv.m_iDvMcpDispX = pDInfo->m_acMvCand[0].getHor(); |
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242 | //} |
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243 | |
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244 | pcCU->clipMv( cMv ); |
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245 | if(bMerge) |
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246 | { |
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247 | paiPdmRefIdx [ uiCurrRefListId ] = iPdmRefIdx; |
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248 | pacPdmMv [ uiCurrRefListId ] = cMv; |
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249 | bLoop_stop = true; |
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250 | break; |
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251 | }else |
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252 | { |
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253 | pacPdmMv [0] = cMv; |
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254 | return true; |
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255 | } |
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256 | } |
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257 | } |
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258 | } |
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259 | } |
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260 | } |
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261 | } |
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262 | } |
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263 | if( bMerge ) |
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264 | iPdm[0] = ( abPdmAvailable[0] ? 1 : 0 ) + ( abPdmAvailable[1] ? 2 : 0 ); |
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265 | } |
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266 | if(bMerge || bInterview) |
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267 | { |
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268 | for( Int iRefListId = 0; iRefListId < 2 ; iRefListId++ ) |
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269 | { |
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270 | RefPicList eRefPicListDMV = RefPicList( iRefListId ); |
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271 | Int iNumRefPics = pcSlice->getNumRefIdx( eRefPicListDMV ); |
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272 | for( Int iPdmRefIdx = (bMerge ? 0: iRefIdx); iPdmRefIdx < (bMerge ? iNumRefPics: (iRefIdx+1) ); iPdmRefIdx++ ) |
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273 | { |
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274 | if( pcSlice->getRefPOC( eRefPicListDMV, iPdmRefIdx ) == pcSlice->getPOC()) |
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275 | { |
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276 | abPdmAvailable[ iRefListId+2 ] = true; |
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277 | paiPdmRefIdx [ iRefListId+2 ] = iPdmRefIdx; |
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278 | |
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279 | TComMv cMv = pDInfo->m_acNBDV; |
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280 | cMv.setVer(0); |
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281 | |
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282 | pcCU->clipMv( cMv ); |
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283 | pacPdmMv [ iRefListId + 2] = cMv; |
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284 | if(bMerge) |
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285 | break; |
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286 | else |
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287 | { |
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288 | pacPdmMv [0] = cMv; |
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289 | return true; |
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290 | } |
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291 | } |
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292 | } |
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293 | } |
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294 | iPdm[1] = ( abPdmAvailable[2] ? 1 : 0 ) + ( abPdmAvailable[3] ? 2 : 0 ); |
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295 | } |
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296 | return false; |
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297 | } |
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298 | #endif |
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299 | |
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