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.h |
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37 | \brief depth map generator class (header) |
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38 | */ |
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39 | |
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40 | |
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41 | #ifndef __TCOM_DEPTH_MAP_GENERATOR__ |
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42 | #define __TCOM_DEPTH_MAP_GENERATOR__ |
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43 | |
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44 | |
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45 | #include "CommonDef.h" |
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46 | #include "TComPic.h" |
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47 | #include "TComPrediction.h" |
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48 | #include "TComSlice.h" |
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49 | |
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50 | |
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51 | #if DEPTH_MAP_GENERATION |
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52 | |
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53 | |
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54 | class TComSPSAccess // would be better to have a real SPS buffer |
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55 | { |
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56 | public: |
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57 | TComSPSAccess () { clear(); } |
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58 | ~TComSPSAccess() {} |
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59 | |
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60 | Void clear () { ::memset( m_aacActiveSPS, 0x00, sizeof( m_aacActiveSPS ) ); } |
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61 | Void addSPS ( TComSPS* pcSPS ) { m_aacActiveSPS[ pcSPS->isDepth() ? 1 : 0 ][ pcSPS->getViewId() ] = pcSPS; } |
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62 | TComSPS* getSPS ( UInt uiViewId, |
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63 | Bool bIsDepth = false ) { return m_aacActiveSPS[ bIsDepth ? 1 : 0 ][ uiViewId ]; } |
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64 | |
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65 | UInt getPdm () { if( m_aacActiveSPS[0][1] ) { return m_aacActiveSPS[0][1]->getPredDepthMapGeneration(); } return 0; } |
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66 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
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67 | UInt getResPrd () { if( m_aacActiveSPS[0][1] ) { return m_aacActiveSPS[0][1]->getMultiviewResPredMode (); } return 0; } |
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68 | #endif |
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69 | |
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70 | private: |
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71 | TComSPS* m_aacActiveSPS[ 2 ][ MAX_VIEW_NUM ]; |
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72 | }; |
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73 | |
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74 | |
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75 | |
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76 | class TComAUPicAccess // would be better to have a real decoded picture buffer |
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77 | { |
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78 | public: |
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79 | TComAUPicAccess () : m_iLastPoc( 0 ), m_uiMaxViewId( 0 ) { clear(); } |
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80 | ~TComAUPicAccess() {} |
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81 | |
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82 | Void clear () { ::memset( m_aacCurrAUPics, 0x00, sizeof( m_aacCurrAUPics ) ); } |
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83 | Void addPic ( TComPic* pcPic ) { if( m_iLastPoc != pcPic->getPOC() ) |
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84 | { |
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85 | clear(); |
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86 | m_iLastPoc = pcPic->getPOC(); |
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87 | } |
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88 | m_aacCurrAUPics[ pcPic->getSPS()->isDepth() ? 1 : 0 ][ pcPic->getSPS()->getViewId() ] = pcPic; |
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89 | if( pcPic->getSPS()->getViewId() > m_uiMaxViewId ) |
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90 | { |
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91 | m_uiMaxViewId = pcPic->getSPS()->getViewId(); |
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92 | } |
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93 | } |
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94 | TComPic* getPic ( UInt uiViewId, |
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95 | Bool bIsDepth = false ) { return m_aacCurrAUPics[ bIsDepth ? 1 : 0 ][ uiViewId ]; } |
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96 | UInt getMaxVId () { return m_uiMaxViewId; } |
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97 | |
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98 | private: |
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99 | Int m_iLastPoc; |
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100 | UInt m_uiMaxViewId; |
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101 | TComPic* m_aacCurrAUPics[ 2 ][ MAX_VIEW_NUM ]; |
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102 | }; |
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103 | |
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104 | |
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105 | |
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106 | class TComDepthMapGenerator |
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107 | { |
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108 | public: |
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109 | TComDepthMapGenerator (); |
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110 | ~TComDepthMapGenerator(); |
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111 | |
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112 | Void create ( Bool bDecoder, UInt uiPicWidth, UInt uiPicHeight, UInt uiMaxCUDepth, UInt uiMaxCUWidth, UInt uiMaxCUHeight, UInt uiOrgBitDepth, UInt uiSubSampExpX, UInt uiSubSampExpY ); |
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113 | Void destroy (); |
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114 | |
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115 | Void init ( TComPrediction* pcPrediction, TComSPSAccess* pcSPSAccess, TComAUPicAccess* pcAUPicAccess ); |
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116 | Void uninit (); |
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117 | |
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118 | Void initViewComponent ( TComPic* pcPic ); |
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119 | Bool predictDepthMap ( TComPic* pcPic ); |
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120 | Void updateDepthMap ( TComPic* pcPic ); |
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121 | Void dumpDepthMap ( TComPic* pcPic, char* pFilenameBase ); |
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122 | |
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123 | #if HHI_INTER_VIEW_MOTION_PRED |
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124 | Void covertOrgDepthMap ( TComPic* pcPic ); |
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125 | #endif |
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126 | |
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127 | UInt getBaseViewId ( UInt uiIdx ) { AOF( uiIdx < m_auiBaseIdList.size() ); return m_auiBaseIdList[uiIdx]; } |
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128 | UInt getSubSampExpX () { return m_uiSubSampExpX; } |
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129 | UInt getSubSampExpY () { return m_uiSubSampExpY; } |
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130 | Int getDisparity ( TComPic* pcPic, Int iPosX, Int iPosY, UInt uiRefViewId ); |
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131 | #if HHI_INTER_VIEW_MOTION_PRED |
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132 | Int getPdmMergeCandidate ( TComDataCU* pcCU, UInt uiPartIdx, Int* paiPdmRefIdx, TComMv* pacPdmMv ); |
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133 | Bool getPdmMvPred ( TComDataCU* pcCU, UInt uiPartIdx, RefPicList eRefPicList, Int iRefIdx, TComMv& rcMv, Bool bMerge ); |
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134 | Bool getIViewOrgDepthMvPred( TComDataCU* pcCU, UInt uiPartIdx, RefPicList eRefPicList, Int iRefIdx, TComMv& rcMv ); |
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135 | #endif |
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136 | |
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137 | TComPrediction* getPrediction () { return m_pcPrediction; } |
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138 | TComSPSAccess* getSPSAccess () { return m_pcSPSAccess; } |
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139 | TComAUPicAccess* getAUPicAccess() { return m_pcAUPicAccess; } |
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140 | |
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141 | private: |
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142 | // picture operations |
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143 | Bool xConvertDepthMapCurr2Ref ( TComPic* pcRef, TComPic* pcCur ); |
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144 | Bool xConvertDepthMapRef2Curr ( TComPic* pcCur, TComPic* pcRef ); |
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145 | Bool xPredictDepthMap ( TComPic* pcPic ); |
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146 | Bool xFillDepthMapHoles ( TComPic* pcPic ); |
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147 | Void xClearDepthMap ( TComPic* pcPic, Int iVal = PDM_UNDEFINED_DEPTH ); |
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148 | Void xSetChroma ( TComPicYuv* pcPic, Int iVal ); |
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149 | |
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150 | // CU operations |
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151 | Void xPredictCUDepthMap ( TComDataCU* pcCU, UInt uiDepth, UInt uiAbsPartIdx ); // CU depth map prediction |
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152 | Void xIntraPredictCUDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap ); // CU intra prediction |
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153 | Void xInterPredictCUDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap ); // CU inter prediction |
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154 | |
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155 | // PU and block operations |
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156 | Void xIntraPredictBlkDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiAbsPartIdx, UInt uiTrDepth ); // block intra prediction |
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157 | Void xInterPredictPUDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU inter prediction/update |
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158 | Void xIViewPUDepthMapUpdate ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU interview update |
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159 | Void xInterPUDepthMapUpdate ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU inter update |
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160 | Void xInterPUDepthMapPrediction( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU inter prediction |
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161 | Bool xGetPredDepth ( TComDataCU* pcCU, UInt uiPartIdx, Int& riPrdDepth, Int* piPosX = 0, Int* piPosY = 0 ); |
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162 | |
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163 | // conversion functions |
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164 | Int xGetVirtDepthFromDisparity( UInt uiBaseId, Int iDisparity ) |
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165 | { |
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166 | AOF( uiBaseId < m_uiCurrViewId ); |
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167 | Int* pPar = m_aaiConvParsDisparity2VirtDepth[ uiBaseId ]; |
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168 | Int iRes = ( pPar[ 0 ] * iDisparity + pPar[ 1 ] ) >> pPar[ 2 ]; |
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169 | return iRes; |
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170 | } |
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171 | Int xGetDisparityFromVirtDepth( UInt uiBaseId, Int iVirtDepth ) |
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172 | { |
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173 | AOF( uiBaseId < m_uiCurrViewId ); |
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174 | Int* pPar = m_aaiConvParsVirtDepth2Disparity[ uiBaseId ]; |
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175 | Int iRes = ( pPar[ 0 ] * iVirtDepth + pPar[ 1 ] ) >> pPar[ 2 ]; |
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176 | return iRes; |
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177 | } |
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178 | Int xGetVirtDepthFromOrigDepth( UInt uiViewId, Int iOrigDepth ) |
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179 | { |
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180 | AOF( uiViewId <= m_uiCurrViewId ); |
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181 | Int* pPar = m_aaiConvParsOrigDepth2VirtDepth[ uiViewId ]; |
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182 | Int iRes = ( pPar[ 0 ] * iOrigDepth + pPar[ 1 ] ) >> pPar[ 2 ]; |
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183 | return iRes; |
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184 | } |
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185 | Int xGetOrigDepthFromVirtDepth( UInt uiViewId, Int iVirtDepth ) |
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186 | { |
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187 | AOF( uiViewId <= m_uiCurrViewId ); |
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188 | Int* pPar = m_aaiConvParsVirtDepth2OrigDepth[ uiViewId ]; |
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189 | Int iRes = ( pPar[ 0 ] * iVirtDepth + pPar[ 1 ] ) >> pPar[ 2 ]; |
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190 | return iRes; |
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191 | } |
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192 | |
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193 | |
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194 | private: |
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195 | // general parameters |
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196 | Bool m_bCreated; |
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197 | Bool m_bInit; |
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198 | Bool m_bDecoder; |
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199 | TComPrediction* m_pcPrediction; |
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200 | TComSPSAccess* m_pcSPSAccess; |
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201 | TComAUPicAccess* m_pcAUPicAccess; |
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202 | UInt m_uiMaxDepth; |
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203 | UInt m_uiOrgDepthBitDepth; |
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204 | UInt m_uiSubSampExpX; |
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205 | UInt m_uiSubSampExpY; |
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206 | TComYuv** m_ppcYuv; |
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207 | TComDataCU** m_ppcCU; |
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208 | TComPicYuv m_cTmpPic; |
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209 | |
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210 | // conversion parameters |
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211 | UInt m_uiCurrViewId; |
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212 | Bool m_bPDMAvailable; |
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213 | std::vector<UInt> m_auiBaseIdList; |
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214 | Int m_aaiConvParsDisparity2VirtDepth[ MAX_VIEW_NUM ][ 3 ]; // disparity ==> virtual depth (0:scale, 1:add, 2:shift) |
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215 | Int m_aaiConvParsVirtDepth2Disparity[ MAX_VIEW_NUM ][ 3 ]; // virtual depth ==> disparity (0:scale, 1:add, 2:shift) |
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216 | Int m_aaiConvParsOrigDepth2VirtDepth[ MAX_VIEW_NUM ][ 3 ]; // original depth ==> virtual depth (0:scale, 1:add, 2:shift) |
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217 | Int m_aaiConvParsVirtDepth2OrigDepth[ MAX_VIEW_NUM ][ 3 ]; // virtual depth ==> original depth (0:scale, 1:add, 2:shift) |
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218 | |
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219 | // temporary arrays |
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220 | Bool m_aabDepthSet[ MAX_CU_SIZE >> 2 ][ MAX_CU_SIZE >> 2 ]; |
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221 | Int m_aai4x4Depth[ MAX_CU_SIZE >> 2 ][ MAX_CU_SIZE >> 2 ]; |
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222 | }; |
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223 | |
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224 | |
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225 | #endif // DEPTH_MAP_GENERATION |
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226 | |
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227 | #endif // __TCOM_DEPTH_MAP_GENERATOR__ |
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228 | |
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229 | |
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230 | |
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231 | |
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