[2] | 1 | |
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| 2 | |
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| 3 | /** \file TComDepthMapGenerator.cpp |
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| 4 | \brief depth map generator class |
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| 5 | */ |
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| 6 | |
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| 7 | |
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| 8 | |
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| 9 | #include "CommonDef.h" |
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| 10 | #include "TComDepthMapGenerator.h" |
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| 11 | |
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| 12 | |
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| 13 | |
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| 14 | TComDepthMapGenerator::TComDepthMapGenerator() |
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| 15 | { |
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| 16 | m_bCreated = false; |
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| 17 | m_bInit = false; |
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| 18 | m_bDecoder = false; |
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| 19 | m_pcPrediction = 0; |
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| 20 | m_pcSPSAccess = 0; |
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| 21 | m_pcAUPicAccess = 0; |
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| 22 | m_uiMaxDepth = 0; |
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| 23 | m_uiOrgDepthBitDepth = 0; |
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| 24 | m_ppcYuv = 0; |
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| 25 | m_ppcCU = 0; |
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| 26 | } |
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| 27 | |
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| 28 | TComDepthMapGenerator::~TComDepthMapGenerator() |
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| 29 | { |
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| 30 | destroy (); |
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| 31 | uninit (); |
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| 32 | } |
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| 33 | |
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| 34 | Void |
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| 35 | TComDepthMapGenerator::create( Bool bDecoder, UInt uiPicWidth, UInt uiPicHeight, UInt uiMaxCUDepth, UInt uiMaxCUWidth, UInt uiMaxCUHeight, UInt uiOrgBitDepth ) |
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| 36 | { |
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| 37 | destroy(); |
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| 38 | m_bDecoder = bDecoder; |
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| 39 | m_uiMaxDepth = uiMaxCUDepth; |
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| 40 | m_uiOrgDepthBitDepth = uiOrgBitDepth; |
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| 41 | m_ppcYuv = new TComYuv* [ m_uiMaxDepth ]; |
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| 42 | m_ppcCU = new TComDataCU* [ m_uiMaxDepth ]; |
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| 43 | for( UInt uiDepth = 0; uiDepth < m_uiMaxDepth; uiDepth++ ) |
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| 44 | { |
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| 45 | UInt uiNumPart = 1 << ( ( m_uiMaxDepth - uiDepth ) << 1 ); |
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| 46 | UInt uiWidth = uiMaxCUWidth >> uiDepth; |
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| 47 | UInt uiHeight = uiMaxCUHeight >> uiDepth; |
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| 48 | |
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| 49 | m_ppcYuv[ uiDepth ] = new TComYuv; m_ppcYuv[ uiDepth ]->create( uiWidth, uiHeight ); |
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| 50 | m_ppcCU [ uiDepth ] = new TComDataCU; m_ppcCU [ uiDepth ]->create( uiNumPart, uiWidth, uiHeight, true ); |
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| 51 | } |
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| 52 | m_cTmpPic.create( uiPicWidth, uiPicHeight, uiMaxCUWidth, uiMaxCUHeight, uiMaxCUDepth ); |
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| 53 | xSetChroma( &m_cTmpPic, ( 1 << uiOrgBitDepth ) >> 1 ); |
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| 54 | m_bCreated = true; |
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| 55 | } |
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| 56 | |
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| 57 | Void |
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| 58 | TComDepthMapGenerator::destroy() |
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| 59 | { |
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| 60 | if( m_bCreated ) |
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| 61 | { |
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| 62 | m_bCreated = false; |
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| 63 | for( UInt uiDepth = 0; uiDepth < m_uiMaxDepth; uiDepth++ ) |
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| 64 | { |
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| 65 | m_ppcYuv[ uiDepth ]->destroy(); delete m_ppcYuv[ uiDepth ]; m_ppcYuv[ uiDepth ] = 0; |
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| 66 | m_ppcCU [ uiDepth ]->destroy(); delete m_ppcCU [ uiDepth ]; m_ppcCU [ uiDepth ] = 0; |
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| 67 | } |
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| 68 | delete [] m_ppcYuv; m_ppcYuv = 0; |
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| 69 | delete [] m_ppcCU; m_ppcCU = 0; |
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| 70 | m_cTmpPic.destroy(); |
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| 71 | m_uiMaxDepth = 0; |
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| 72 | m_uiOrgDepthBitDepth = 0; |
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| 73 | m_bDecoder = false; |
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| 74 | } |
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| 75 | } |
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| 76 | |
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| 77 | Void |
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| 78 | TComDepthMapGenerator::init( TComPrediction* pcPrediction, TComSPSAccess* pcSPSAccess, TComAUPicAccess* pcAUPicAccess ) |
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| 79 | { |
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| 80 | AOF( pcPrediction ); |
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| 81 | AOF( pcSPSAccess ); |
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| 82 | AOF( pcAUPicAccess ); |
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| 83 | uninit(); |
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| 84 | m_pcPrediction = pcPrediction; |
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| 85 | m_pcSPSAccess = pcSPSAccess; |
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| 86 | m_pcAUPicAccess = pcAUPicAccess; |
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| 87 | m_bInit = true; |
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| 88 | } |
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| 89 | |
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| 90 | Void |
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| 91 | TComDepthMapGenerator::uninit() |
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| 92 | { |
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| 93 | if( m_bInit ) |
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| 94 | { |
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| 95 | m_bInit = false; |
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| 96 | m_pcPrediction = 0; |
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| 97 | m_pcSPSAccess = 0; |
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| 98 | m_pcAUPicAccess = 0; |
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| 99 | } |
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| 100 | } |
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| 101 | |
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| 102 | Void |
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| 103 | TComDepthMapGenerator::initViewComponent( TComPic* pcPic ) |
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| 104 | { |
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| 105 | AOF ( m_bCreated && m_bInit ); |
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| 106 | AOF ( pcPic ); |
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| 107 | AOT ( pcPic->getSPS()->getViewId() && !pcPic->getSPS()->isDepth() && pcPic->getPOC() && pcPic->getSPS()->getPredDepthMapGeneration() != m_pcSPSAccess->getPdm() ); |
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| 108 | m_bPDMAvailable = false; |
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| 109 | m_uiCurrViewId = pcPic->getSPS()->getViewId(); |
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| 110 | |
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| 111 | // update SPS list and AU pic list and set depth map generator in SPS |
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| 112 | m_pcSPSAccess ->addSPS( pcPic->getSPS() ); |
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| 113 | m_pcAUPicAccess->addPic( pcPic ); |
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| 114 | pcPic->getSPS()->setDepthMapGenerator( this ); |
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| 115 | |
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| 116 | // check whether we have depth data or don't use pred depth prediction |
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| 117 | ROFVS( pcPic->getSPS()->getViewId() ); |
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| 118 | ROTVS( pcPic->getSPS()->isDepth () ); |
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| 119 | ROFVS( m_pcSPSAccess->getPdm () ); |
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| 120 | |
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| 121 | // set basic SPS parameters |
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| 122 | const Int iDisparityDir = 1; // 1 or -1, depending on the usage of disparity vectors |
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| 123 | TComSPS* pcSPS = pcPic->getSPS (); |
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| 124 | Int iVOI = pcSPS->getViewOrderIdx (); |
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| 125 | UInt uiPdmPrec = pcSPS->getPdmPrecision (); |
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| 126 | UInt uiCamPrec = pcSPS->getCamParPrecision (); |
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| 127 | Bool bInSlice = pcSPS->hasCamParInSliceHeader (); |
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| 128 | Int iScaleVOI01 = ( 1 << ( uiPdmPrec + PDM_INTER_CALC_SHIFT + PDM_VIRT_DEPTH_PRECISION - 2 ) ); |
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| 129 | |
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| 130 | // check availability of base views and set base id list |
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| 131 | std::vector<Int> aiAbsDeltaVOI; |
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| 132 | for( UInt uiBaseId = 0; uiBaseId < m_uiCurrViewId; uiBaseId++ ) |
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| 133 | { |
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| 134 | TComSPS* pcBaseSPS = m_pcSPSAccess ->getSPS( uiBaseId ); |
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| 135 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( uiBaseId ); |
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| 136 | AOF( pcBaseSPS != 0 && pcBasePic != 0 ); |
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| 137 | Int iDeltaVOI = iVOI - pcBaseSPS->getViewOrderIdx(); |
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| 138 | Int iAbsDeltaVOI = ( iDeltaVOI < 0 ? -iDeltaVOI : iDeltaVOI ); |
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| 139 | AOT( iAbsDeltaVOI == 0 ); |
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| 140 | aiAbsDeltaVOI.push_back( iAbsDeltaVOI ); |
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| 141 | } |
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| 142 | m_auiBaseIdList.clear(); |
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| 143 | while( (UInt)m_auiBaseIdList.size() < m_uiCurrViewId ) |
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| 144 | { |
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| 145 | Int iMinAbsDelta = MAX_INT; |
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| 146 | UInt uiNextBaseId = MAX_NUMBER_VIEWS; |
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| 147 | for( UInt uiBaseId = 0; uiBaseId < m_uiCurrViewId; uiBaseId++ ) |
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| 148 | { |
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| 149 | if( aiAbsDeltaVOI[ uiBaseId ] > 0 && aiAbsDeltaVOI[ uiBaseId ] <= iMinAbsDelta ) |
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| 150 | { |
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| 151 | iMinAbsDelta = aiAbsDeltaVOI[ uiBaseId ]; |
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| 152 | uiNextBaseId = uiBaseId; |
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| 153 | } |
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| 154 | } |
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| 155 | m_auiBaseIdList.push_back( uiNextBaseId ); |
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| 156 | aiAbsDeltaVOI[ uiNextBaseId ] = 0; |
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| 157 | } |
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| 158 | |
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| 159 | // check availability of prediction depth map |
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| 160 | if( m_uiCurrViewId ) |
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| 161 | { |
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| 162 | Bool bCheckVId1 = ( m_uiCurrViewId > 1 && m_auiBaseIdList[0] == 0 ); |
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| 163 | UInt uiBaseVId = ( bCheckVId1 ? 1 : m_auiBaseIdList[0] ); |
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| 164 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( uiBaseVId ); |
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| 165 | SliceType eSliceType = pcBasePic->getCurrSlice()->getSliceType(); |
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| 166 | Bool bNoRAPdm = ( pcPic->getSPS()->getPredDepthMapGeneration() == 1 ); |
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| 167 | m_bPDMAvailable = ( eSliceType != I_SLICE || !bNoRAPdm ); |
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| 168 | } |
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| 169 | |
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| 170 | // update disparity depth conversion parameters |
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| 171 | for( UInt uiBaseId = 0; uiBaseId < m_uiCurrViewId; uiBaseId++ ) |
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| 172 | { |
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| 173 | TComSPS* pcBaseSPS = m_pcSPSAccess->getSPS( uiBaseId ); |
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| 174 | Int iBaseVOI = pcBaseSPS->getViewOrderIdx(); |
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| 175 | |
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| 176 | // disparity -> virtual depth |
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| 177 | Int iVNominator = ( 1 << PDM_LOG4_SCALE_DENOMINATOR ) + pcSPS->getPdmScaleNomDelta()[ uiBaseId ]; |
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| 178 | Int iVDiv = iVOI - iBaseVOI; |
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| 179 | Int iVAdd = ( iVDiv > 0 ? iVDiv / 2 : -iVDiv / 2 ); |
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| 180 | Int iVScalePred = ( iScaleVOI01 + iVAdd ) / iVDiv; |
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| 181 | Int iVShift = PDM_INTER_CALC_SHIFT; |
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| 182 | Int iVScale = Int( ( (Int64)iVNominator * (Int64)iVScalePred + (Int64)( ( 1 << PDM_LOG4_SCALE_DENOMINATOR ) >> 1 ) ) >> PDM_LOG4_SCALE_DENOMINATOR ); |
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| 183 | Int iVOffset = pcSPS->getPdmOffset()[ uiBaseId ] << PDM_OFFSET_SHIFT; |
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| 184 | m_aaiConvParsDisparity2VirtDepth[ uiBaseId ][ 0 ] = iDisparityDir * iVScale; |
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| 185 | m_aaiConvParsDisparity2VirtDepth[ uiBaseId ][ 1 ] = iDisparityDir * iVOffset + ( ( 1 << iVShift ) >> 1 ); |
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| 186 | m_aaiConvParsDisparity2VirtDepth[ uiBaseId ][ 2 ] = iVShift; |
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| 187 | |
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| 188 | // virtual depth -> disparity |
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| 189 | Int iVInvAdd = ( iVScale > 0 ? iVScale / 2 : -iVScale / 2 ); |
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| 190 | Int iVInvScale = Int( ( ( Int64( 1 ) << ( iVShift << 1 ) ) + iVInvAdd ) / Int64( iVScale ) ); |
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| 191 | Int iVInvOffset = Int( ( ( Int64( -iVOffset ) << iVShift ) + iVInvAdd ) / Int64( iVScale ) ); |
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| 192 | m_aaiConvParsVirtDepth2Disparity[ uiBaseId ][ 0 ] = iDisparityDir * iVInvScale; |
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| 193 | m_aaiConvParsVirtDepth2Disparity[ uiBaseId ][ 1 ] = iDisparityDir * iVInvOffset + ( ( 1 << iVShift ) >> 1 ); |
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| 194 | m_aaiConvParsVirtDepth2Disparity[ uiBaseId ][ 2 ] = iVShift; |
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| 195 | |
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| 196 | // coded depth -> virtual depth |
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| 197 | Int iCScale = ( bInSlice ? pcPic->getCurrSlice()->getCodedScale () : pcSPS->getCodedScale () )[ uiBaseId ]; |
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| 198 | Int iCOffset = ( bInSlice ? pcPic->getCurrSlice()->getCodedOffset() : pcSPS->getCodedOffset() )[ uiBaseId ] << m_uiOrgDepthBitDepth; |
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| 199 | Int iCShift = m_uiOrgDepthBitDepth + uiCamPrec + 1 - 2; |
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| 200 | Int iCVShift = PDM_INTER_CALC_SHIFT; |
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| 201 | Int iTmpShift = iVShift + iCShift - iCVShift; AOF( iTmpShift >= 0 ) |
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| 202 | Int iCVScale = Int( ( Int64( iVScale ) * Int64( iCScale ) + Int64( ( 1 << iTmpShift ) >> 1 ) ) >> iTmpShift ); |
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| 203 | Int iCVOffset = Int( ( Int64( iVScale ) * Int64( iCOffset ) + Int64( ( 1 << iTmpShift ) >> 1 ) ) >> iTmpShift ); |
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| 204 | iTmpShift = iVShift - iCVShift; AOF( iTmpShift >= 0 ) |
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| 205 | iCVOffset += ( iVOffset + ( ( 1 << iTmpShift ) >> 1 ) ) >> iTmpShift; |
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| 206 | m_aaiConvParsOrigDepth2VirtDepth[ uiBaseId ][ 0 ] = iCVScale; |
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| 207 | m_aaiConvParsOrigDepth2VirtDepth[ uiBaseId ][ 1 ] = iCVOffset + ( ( 1 << iCVShift ) >> 1 ); |
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| 208 | m_aaiConvParsOrigDepth2VirtDepth[ uiBaseId ][ 2 ] = iCVShift; |
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| 209 | |
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| 210 | // virtual depth -> coded depth |
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| 211 | Int iCVAdd = ( iCVScale > 0 ? iCVScale / 2 : -iCVScale / 2 ); |
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| 212 | Int iCVInvScale = Int( ( ( Int64( 1 ) << ( iCVShift << 1 ) ) + iCVAdd ) / Int64( iCVScale ) ); |
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| 213 | Int iCVInvOffset= Int( ( ( Int64( -iCVOffset ) << iCVShift ) + iCVAdd ) / Int64( iCVScale ) ); |
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| 214 | m_aaiConvParsVirtDepth2OrigDepth[ uiBaseId ][ 0 ] = iCVInvScale; |
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| 215 | m_aaiConvParsVirtDepth2OrigDepth[ uiBaseId ][ 1 ] = iCVInvOffset + ( ( 1 << iCVShift ) >> 1 ); |
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| 216 | m_aaiConvParsVirtDepth2OrigDepth[ uiBaseId ][ 2 ] = iCVShift; |
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| 217 | } |
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| 218 | |
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| 219 | if( m_uiCurrViewId > 0 ) |
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| 220 | { |
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| 221 | UInt uiBaseId = 0; |
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| 222 | UInt uiBaseVOI = 0; // per definition |
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| 223 | Int iVNominator = ( 1 << PDM_LOG4_SCALE_DENOMINATOR ) + pcSPS->getPdmScaleNomDelta()[ uiBaseId ]; |
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| 224 | Int iVDiv = iVOI - uiBaseVOI; |
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| 225 | Int iVAdd = ( iVDiv > 0 ? iVDiv / 2 : -iVDiv / 2 ); |
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| 226 | Int iVScalePred = ( iScaleVOI01 + iVAdd ) / iVDiv; |
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| 227 | Int iVShift = PDM_INTER_CALC_SHIFT; |
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| 228 | Int iVScale = Int( ( (Int64)iVNominator * (Int64)iVScalePred + (Int64)( ( 1 << PDM_LOG4_SCALE_DENOMINATOR ) >> 1 ) ) >> PDM_LOG4_SCALE_DENOMINATOR ); |
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| 229 | Int iVOffset = pcSPS->getPdmOffset()[ uiBaseId ] << PDM_OFFSET_SHIFT; |
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| 230 | |
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| 231 | // coded depth -> virtual depth (current view) |
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| 232 | Int iCScale = ( bInSlice ? pcPic->getCurrSlice()->getInvCodedScale () : pcSPS->getInvCodedScale () )[ uiBaseId ]; |
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| 233 | Int iCOffset = ( bInSlice ? pcPic->getCurrSlice()->getInvCodedOffset() : pcSPS->getInvCodedOffset() )[ uiBaseId ] << m_uiOrgDepthBitDepth; |
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| 234 | Int iCShift = m_uiOrgDepthBitDepth + uiCamPrec + 1 - 2; |
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| 235 | Int iCVShift = PDM_INTER_CALC_SHIFT; |
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| 236 | Int iTmpShift = iVShift + iCShift - iCVShift; AOF( iTmpShift >= 0 ) |
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| 237 | Int iCVScale = Int( ( Int64( -iVScale ) * Int64( iCScale ) + Int64( ( 1 << iTmpShift ) >> 1 ) ) >> iTmpShift ); |
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| 238 | Int iCVOffset = Int( ( Int64( -iVScale ) * Int64( iCOffset ) + Int64( ( 1 << iTmpShift ) >> 1 ) ) >> iTmpShift ); |
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| 239 | iTmpShift = iVShift - iCVShift; AOF( iTmpShift >= 0 ) |
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| 240 | iCVOffset += ( iVOffset + ( ( 1 << iTmpShift ) >> 1 ) ) >> iTmpShift; |
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| 241 | m_aaiConvParsOrigDepth2VirtDepth[ m_uiCurrViewId ][ 0 ] = iCVScale; |
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| 242 | m_aaiConvParsOrigDepth2VirtDepth[ m_uiCurrViewId ][ 1 ] = iCVOffset + ( ( 1 << iCVShift ) >> 1 ); |
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| 243 | m_aaiConvParsOrigDepth2VirtDepth[ m_uiCurrViewId ][ 2 ] = iCVShift; |
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| 244 | |
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| 245 | // virtual depth -> coded depth |
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| 246 | Int iCVAdd = ( iCVScale > 0 ? iCVScale / 2 : -iCVScale / 2 ); |
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| 247 | Int iCVInvScale = Int( ( ( Int64( 1 ) << ( iCVShift << 1 ) ) + iCVAdd ) / Int64( iCVScale ) ); |
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| 248 | Int iCVInvOffset= Int( ( ( Int64( -iCVOffset ) << iCVShift ) + iCVAdd ) / Int64( iCVScale ) ); |
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| 249 | m_aaiConvParsVirtDepth2OrigDepth[ m_uiCurrViewId ][ 0 ] = iCVInvScale; |
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| 250 | m_aaiConvParsVirtDepth2OrigDepth[ m_uiCurrViewId ][ 1 ] = iCVInvOffset + ( ( 1 << iCVShift ) >> 1 ); |
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| 251 | m_aaiConvParsVirtDepth2OrigDepth[ m_uiCurrViewId ][ 2 ] = iCVShift; |
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| 252 | } |
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| 253 | else if( pcPic->getPOC() == 0 ) |
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| 254 | { // set dummy values |
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| 255 | m_aaiConvParsOrigDepth2VirtDepth[ m_uiCurrViewId ][ 0 ] = 0; |
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| 256 | m_aaiConvParsOrigDepth2VirtDepth[ m_uiCurrViewId ][ 1 ] = 0; |
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| 257 | m_aaiConvParsOrigDepth2VirtDepth[ m_uiCurrViewId ][ 2 ] = 0; |
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| 258 | m_aaiConvParsVirtDepth2OrigDepth[ m_uiCurrViewId ][ 0 ] = 0; |
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| 259 | m_aaiConvParsVirtDepth2OrigDepth[ m_uiCurrViewId ][ 1 ] = 0; |
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| 260 | m_aaiConvParsVirtDepth2OrigDepth[ m_uiCurrViewId ][ 2 ] = 0; |
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| 261 | } |
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| 262 | |
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| 263 | |
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| 264 | #if 0 // print out for debugging |
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| 265 | if( m_uiCurrViewId ) |
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| 266 | { |
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| 267 | printf( "\n\ninit slice of view %d (VOI=%2d):\n===============================\n", m_uiCurrViewId, iVOI ); |
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| 268 | { |
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| 269 | printf( "\n disparity -> virtual depth:\n" ); |
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| 270 | for( UInt uiBaseId = 0; uiBaseId < m_uiCurrViewId; uiBaseId++ ) |
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| 271 | { |
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| 272 | Int* pP = m_aaiConvParsDisparity2VirtDepth[ uiBaseId ]; |
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| 273 | Double dF = 1.0 / Double( 1 << pP[ 2 ] ); |
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| 274 | Double dA = dF * Double( pP[ 0 ] ); |
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| 275 | Double dB = dF * Double( pP[ 1 ] - ( ( 1 << pP[ 2 ] ) >> 1 ) ); |
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| 276 | printf( " BId=%d: a = %10.4lf b = %10.4lf\n", uiBaseId, dA, dB ); |
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| 277 | } |
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| 278 | printf( "\n virtual depth -> disparity:\n" ); |
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| 279 | for( UInt uiBaseId = 0; uiBaseId < m_uiCurrViewId; uiBaseId++ ) |
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| 280 | { |
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| 281 | Int* pP = m_aaiConvParsVirtDepth2Disparity[ uiBaseId ]; |
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| 282 | Double dF = 1.0 / Double( 1 << pP[ 2 ] ); |
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| 283 | Double dA = dF * Double( pP[ 0 ] ); |
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| 284 | Double dB = dF * Double( pP[ 1 ] - ( ( 1 << pP[ 2 ] ) >> 1 ) ); |
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| 285 | printf( " BId=%d: a = %10.4lf b = %10.4lf\n", uiBaseId, dA, dB ); |
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| 286 | } |
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| 287 | printf( "\n original depth -> virtual depth:\n" ); |
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| 288 | for( UInt uiBaseId = 0; uiBaseId <= m_uiCurrViewId; uiBaseId++ ) |
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| 289 | { |
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| 290 | Int* pP = m_aaiConvParsOrigDepth2VirtDepth[ uiBaseId ]; |
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| 291 | Double dF = 1.0 / Double( 1 << pP[ 2 ] ); |
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| 292 | Double dA = dF * Double( pP[ 0 ] ); |
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| 293 | Double dB = dF * Double( pP[ 1 ] - ( ( 1 << pP[ 2 ] ) >> 1 ) ); |
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| 294 | printf( " VId=%d: a = %10.4lf b = %10.4lf\n", uiBaseId, dA, dB ); |
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| 295 | } |
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| 296 | printf( "\n virtual depth -> original depth:\n" ); |
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| 297 | for( UInt uiBaseId = 0; uiBaseId <= m_uiCurrViewId; uiBaseId++ ) |
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| 298 | { |
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| 299 | Int* pP = m_aaiConvParsVirtDepth2OrigDepth[ uiBaseId ]; |
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| 300 | Double dF = 1.0 / Double( 1 << pP[ 2 ] ); |
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| 301 | Double dA = dF * Double( pP[ 0 ] ); |
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| 302 | Double dB = dF * Double( pP[ 1 ] - ( ( 1 << pP[ 2 ] ) >> 1 ) ); |
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| 303 | printf( " VId=%d: a = %10.4lf b = %10.4lf\n", uiBaseId, dA, dB ); |
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| 304 | } |
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| 305 | printf( "\n" ); |
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| 306 | } |
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| 307 | } |
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| 308 | #endif |
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| 309 | } |
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| 310 | |
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| 311 | |
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| 312 | Bool |
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| 313 | TComDepthMapGenerator::predictDepthMap( TComPic* pcPic ) |
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| 314 | { |
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| 315 | AOF ( m_bCreated && m_bInit ); |
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| 316 | AOF ( pcPic ); |
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| 317 | ROTRS( pcPic->getSPS()->isDepth(), true ); |
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| 318 | ROFRS( m_pcSPSAccess->getPdm(), true ); |
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| 319 | AOF ( pcPic->getPredDepthMap() ); |
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| 320 | AOF ( pcPic->getSPS()->getViewId() == m_uiCurrViewId ); |
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| 321 | |
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| 322 | #if PDM_OUTPUT_PRED_DEPTH_MAP |
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| 323 | Char acFilenameBase[1024]; |
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| 324 | ::sprintf( acFilenameBase, "PDM_%s_Prd", ( m_bDecoder ? "Dec" : "Enc" ) ); |
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| 325 | #endif |
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| 326 | |
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| 327 | Bool bUndefined = true; |
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| 328 | if( m_uiCurrViewId ) |
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| 329 | { |
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| 330 | AOF( m_auiBaseIdList.size() ); |
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| 331 | UInt uiBaseId = m_auiBaseIdList[ 0 ]; |
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| 332 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( uiBaseId ); |
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| 333 | AOF( pcBasePic ); |
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| 334 | |
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| 335 | if( m_uiCurrViewId == 1 ) |
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| 336 | { |
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| 337 | if( pcBasePic->getPOC() == 0 ) |
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| 338 | { |
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| 339 | xClearDepthMap( pcBasePic ); |
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| 340 | } |
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| 341 | #if PDM_OUTPUT_PRED_DEPTH_MAP |
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| 342 | dumpDepthMap( pcBasePic, acFilenameBase ); |
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| 343 | #endif |
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| 344 | } |
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| 345 | |
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| 346 | Bool bLoadDepth = ( m_pcSPSAccess->getPdm() == 2 ); |
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| 347 | if( m_pcSPSAccess->getPdm() > 2 ) |
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| 348 | { |
---|
| 349 | bLoadDepth = ( pcBasePic->getCurrSlice()->getSliceType() == I_SLICE ); |
---|
| 350 | } |
---|
| 351 | |
---|
| 352 | if( bLoadDepth) |
---|
| 353 | { // load coded depth of base view |
---|
| 354 | TComPic* pcBaseDepth = m_pcAUPicAccess->getPic( uiBaseId, true ); |
---|
| 355 | AOF( pcBaseDepth ); |
---|
| 356 | AOF( pcBaseDepth->getPicYuvRec() ); |
---|
| 357 | AOF( pcBaseDepth->getPicYuvRec()->getWidth () == pcBasePic->getPredDepthMap()->getWidth () ); |
---|
| 358 | AOF( pcBaseDepth->getPicYuvRec()->getHeight() == pcBasePic->getPredDepthMap()->getHeight() ); |
---|
| 359 | Int iWidth = pcBasePic ->getPredDepthMap()->getWidth (); |
---|
| 360 | Int iHeight = pcBasePic ->getPredDepthMap()->getHeight (); |
---|
| 361 | Int iDesStride = pcBasePic ->getPredDepthMap()->getStride (); |
---|
| 362 | Int iSrcStride = pcBaseDepth->getPicYuvRec ()->getStride (); |
---|
| 363 | Pel* pDesSamples = pcBasePic ->getPredDepthMap()->getLumaAddr ( 0 ); |
---|
| 364 | Pel* pSrcSamples = pcBaseDepth->getPicYuvRec ()->getLumaAddr ( 0 ); |
---|
| 365 | for( Int iY = 0; iY < iHeight; iY++, pSrcSamples += iSrcStride, pDesSamples += iDesStride ) |
---|
| 366 | { |
---|
| 367 | for( Int iX = 0; iX < iWidth; iX++ ) |
---|
| 368 | { |
---|
| 369 | pDesSamples[ iX ] = xGetVirtDepthFromOrigDepth( uiBaseId, pSrcSamples[ iX ] ); |
---|
| 370 | } |
---|
| 371 | } |
---|
| 372 | } |
---|
| 373 | |
---|
| 374 | // convert depth of base view to current view |
---|
| 375 | bUndefined = xConvertDepthMapRef2Curr( pcPic, pcBasePic ); |
---|
| 376 | |
---|
| 377 | #if PDM_OUTPUT_PRED_DEPTH_MAP |
---|
| 378 | dumpDepthMap( pcPic, acFilenameBase ); |
---|
| 379 | #endif |
---|
| 380 | } |
---|
| 381 | else |
---|
| 382 | { |
---|
| 383 | xClearDepthMap( pcPic ); |
---|
| 384 | } |
---|
| 385 | return bUndefined; |
---|
| 386 | } |
---|
| 387 | |
---|
| 388 | |
---|
| 389 | Void |
---|
| 390 | TComDepthMapGenerator::updateDepthMap( TComPic* pcPic ) |
---|
| 391 | { |
---|
| 392 | AOF ( m_bCreated && m_bInit ); |
---|
| 393 | AOF ( pcPic ); |
---|
| 394 | ROTVS( pcPic->getSPS()->isDepth() ); |
---|
| 395 | ROFVS( m_pcSPSAccess->getPdm() == 1 || m_pcSPSAccess->getPdm() == 3 ); |
---|
| 396 | AOF ( pcPic->getPredDepthMap() ); |
---|
| 397 | AOF ( pcPic->getSPS()->getViewId() == m_uiCurrViewId ); |
---|
| 398 | |
---|
| 399 | #if PDM_OUTPUT_PRED_DEPTH_MAP |
---|
| 400 | Char acFilenameBase[1024]; |
---|
| 401 | ::sprintf( acFilenameBase, "PDM_%s_Upd", ( m_bDecoder ? "Dec" : "Enc" ) ); |
---|
| 402 | #endif |
---|
| 403 | |
---|
| 404 | // predict depth map using current coding symbols |
---|
| 405 | xPredictDepthMap( pcPic ); |
---|
| 406 | #if PDM_OUTPUT_PRED_DEPTH_MAP |
---|
| 407 | if( m_uiCurrViewId ) |
---|
| 408 | { |
---|
| 409 | dumpDepthMap( pcPic, acFilenameBase ); |
---|
| 410 | } |
---|
| 411 | #endif |
---|
| 412 | |
---|
| 413 | // generate base depth map |
---|
| 414 | if( m_uiCurrViewId == 1 ) |
---|
| 415 | { |
---|
| 416 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( 0 ); |
---|
| 417 | AOF( pcBasePic ); |
---|
| 418 | xConvertDepthMapCurr2Ref( pcBasePic, pcPic ); |
---|
| 419 | #if PDM_OUTPUT_PRED_DEPTH_MAP |
---|
| 420 | dumpDepthMap( pcBasePic, acFilenameBase ); |
---|
| 421 | #endif |
---|
| 422 | } |
---|
| 423 | } |
---|
| 424 | |
---|
| 425 | |
---|
| 426 | Void |
---|
| 427 | TComDepthMapGenerator::dumpDepthMap( TComPic* pcPic, char* pFilenameBase ) |
---|
| 428 | { |
---|
| 429 | AOF( m_bCreated && m_bInit ); |
---|
| 430 | AOF( pcPic ); |
---|
| 431 | AOF( pFilenameBase ); |
---|
| 432 | AOF( m_uiOrgDepthBitDepth == 8 + g_uiBitIncrement ); |
---|
| 433 | AOF( pcPic->getSPS()->getViewId() <= m_uiCurrViewId ); |
---|
| 434 | |
---|
| 435 | // convert to output format |
---|
| 436 | Int iMax = ( 1 << m_uiOrgDepthBitDepth ) - 1; |
---|
| 437 | UInt uiViewId = pcPic->getSPS()->getViewId(); |
---|
| 438 | TComPicYuv* pcPicYuv = pcPic->getPredDepthMap(); |
---|
| 439 | Int iWidth = pcPicYuv->getWidth (); |
---|
| 440 | Int iHeight = pcPicYuv->getHeight (); |
---|
| 441 | Int iSrcStride = pcPicYuv->getStride (); |
---|
| 442 | Int iDstStride = m_cTmpPic.getStride (); |
---|
| 443 | Pel* pSrcSamples = pcPicYuv->getLumaAddr ( 0 ); |
---|
| 444 | Pel* pDstSamples = m_cTmpPic.getLumaAddr ( 0 ); |
---|
| 445 | Int iMidOrgDpth = ( 1 << m_uiOrgDepthBitDepth ) >> 1; |
---|
| 446 | AOF( m_cTmpPic.getWidth () == iWidth ); |
---|
| 447 | AOF( m_cTmpPic.getHeight() == iHeight ); |
---|
| 448 | for( Int iY = 0; iY < iHeight; iY++, pSrcSamples += iSrcStride, pDstSamples += iDstStride ) |
---|
| 449 | { |
---|
| 450 | for( Int iX = 0; iX < iWidth; iX++ ) |
---|
| 451 | { |
---|
| 452 | Int iOrgDepth = ( pSrcSamples[ iX ] != PDM_UNDEFINED_DEPTH ? xGetOrigDepthFromVirtDepth( uiViewId, pSrcSamples[ iX ] ) : iMidOrgDpth ); |
---|
| 453 | pDstSamples[ iX ] = Max( 0, Min( iMax, iOrgDepth ) ); |
---|
| 454 | } |
---|
| 455 | } |
---|
| 456 | |
---|
| 457 | // output |
---|
| 458 | Char acFilename[1024]; |
---|
| 459 | ::sprintf ( acFilename, "%s_V%d.yuv", pFilenameBase, uiViewId ); |
---|
| 460 | m_cTmpPic.dump( acFilename, ( pcPic->getPOC() != 0 ) ); |
---|
| 461 | } |
---|
| 462 | |
---|
| 463 | |
---|
| 464 | Void |
---|
| 465 | TComDepthMapGenerator::covertOrgDepthMap( TComPic* pcPic ) |
---|
| 466 | { |
---|
| 467 | AOF ( m_bCreated && m_bInit ); |
---|
| 468 | AOF ( pcPic ); |
---|
| 469 | ROFVS( pcPic->getOrgDepthMap() ); |
---|
| 470 | AOF ( pcPic->getViewIdx() ); |
---|
| 471 | |
---|
| 472 | UInt uiBaseId = pcPic->getViewIdx(); |
---|
| 473 | Int iWidth = pcPic->getOrgDepthMap()->getWidth (); |
---|
| 474 | Int iHeight = pcPic->getOrgDepthMap()->getHeight (); |
---|
| 475 | Int iStride = pcPic->getOrgDepthMap()->getStride (); |
---|
| 476 | Pel* pSamples = pcPic->getOrgDepthMap()->getLumaAddr ( 0 ); |
---|
| 477 | for( Int iY = 0; iY < iHeight; iY++, pSamples += iStride ) |
---|
| 478 | { |
---|
| 479 | for( Int iX = 0; iX < iWidth; iX++ ) |
---|
| 480 | { |
---|
| 481 | pSamples[ iX ] = xGetVirtDepthFromOrigDepth( uiBaseId, pSamples[ iX ] ); |
---|
| 482 | } |
---|
| 483 | } |
---|
| 484 | } |
---|
| 485 | |
---|
| 486 | |
---|
| 487 | Int |
---|
| 488 | TComDepthMapGenerator::getDisparity( TComPic* pcPic, Int iPosX, Int iPosY, UInt uiRefViewId ) |
---|
| 489 | { |
---|
| 490 | AOF( pcPic ); |
---|
| 491 | AOF( pcPic->getPredDepthMap() ); |
---|
| 492 | AOF( iPosX >= 0 && iPosX < pcPic->getPredDepthMap()->getWidth () ); |
---|
| 493 | AOF( iPosY >= 0 && iPosY < pcPic->getPredDepthMap()->getHeight() ); |
---|
| 494 | Pel* piPdmMap = pcPic->getPredDepthMap()->getLumaAddr( 0 ); |
---|
| 495 | Int iStride = pcPic->getPredDepthMap()->getStride (); |
---|
| 496 | Int iPrdDepth = piPdmMap[ iPosX + iPosY * iStride ]; |
---|
| 497 | Int iDisparity = xGetDisparityFromVirtDepth( uiRefViewId, iPrdDepth ); |
---|
| 498 | return iDisparity; |
---|
| 499 | } |
---|
| 500 | |
---|
| 501 | |
---|
| 502 | |
---|
| 503 | Int |
---|
| 504 | TComDepthMapGenerator::getPdmMergeCandidate( TComDataCU* pcCU, UInt uiPartIdx, Int* paiPdmRefIdx, TComMv* pacPdmMv ) |
---|
| 505 | { |
---|
| 506 | Int iMaxNumInterPics = 1; |
---|
| 507 | Int iMaxNumAllPics = 2; |
---|
| 508 | |
---|
| 509 | // inter-only |
---|
| 510 | Bool abPdmAvailable[2] = {false,false}; |
---|
| 511 | for( Int iRefListId = 0; iRefListId < 2; iRefListId++ ) |
---|
| 512 | { |
---|
| 513 | RefPicList eRefPicList = RefPicList( iRefListId ); |
---|
| 514 | Int iNumRefPics = pcCU->getSlice()->getNumRefIdx( eRefPicList ); |
---|
| 515 | TComMv cMv; |
---|
| 516 | for( Int iPdmRefIdx = 0, iInterPics = 0; iPdmRefIdx < iNumRefPics && iInterPics < iMaxNumInterPics; iPdmRefIdx++ ) |
---|
| 517 | { |
---|
| 518 | if( pcCU->getSlice()->getRefPOC( eRefPicList, iPdmRefIdx ) != pcCU->getSlice()->getPOC() ) |
---|
| 519 | { |
---|
| 520 | if( getPdmMvPred( pcCU, uiPartIdx, eRefPicList, iPdmRefIdx, cMv, true ) ) |
---|
| 521 | { |
---|
| 522 | pcCU->clipMv( cMv ); |
---|
| 523 | abPdmAvailable[ iRefListId ] = true; |
---|
| 524 | paiPdmRefIdx [ iRefListId ] = iPdmRefIdx; |
---|
| 525 | pacPdmMv [ iRefListId ] = cMv; |
---|
| 526 | break; |
---|
| 527 | } |
---|
| 528 | iInterPics++; |
---|
| 529 | } |
---|
| 530 | } |
---|
| 531 | } |
---|
| 532 | Int iPdmInterDir = ( abPdmAvailable[0] ? 1 : 0 ) + ( abPdmAvailable[1] ? 2 : 0 ); |
---|
| 533 | if( 0==iPdmInterDir ) |
---|
| 534 | { // check all, including inter view references |
---|
| 535 | for( Int iRefListId = 0; iRefListId < 2; iRefListId++ ) |
---|
| 536 | { |
---|
| 537 | RefPicList eRefPicList = RefPicList( iRefListId ); |
---|
| 538 | Int iNumRefPics = Min( iMaxNumAllPics, pcCU->getSlice()->getNumRefIdx( eRefPicList ) ); |
---|
| 539 | TComMv cMv; |
---|
| 540 | for( Int iPdmRefIdx = 0; iPdmRefIdx < iNumRefPics; iPdmRefIdx++ ) |
---|
| 541 | { |
---|
| 542 | if( getPdmMvPred( pcCU, uiPartIdx, eRefPicList, iPdmRefIdx, cMv, true ) ) |
---|
| 543 | { |
---|
| 544 | pcCU->clipMv( cMv ); |
---|
| 545 | abPdmAvailable[ iRefListId ] = true; |
---|
| 546 | paiPdmRefIdx [ iRefListId ] = iPdmRefIdx; |
---|
| 547 | pacPdmMv [ iRefListId ] = cMv; |
---|
| 548 | break; |
---|
| 549 | } |
---|
| 550 | } |
---|
| 551 | } |
---|
| 552 | iPdmInterDir = ( abPdmAvailable[0] ? 1 : 0 ) + ( abPdmAvailable[1] ? 2 : 0 ); |
---|
| 553 | } |
---|
| 554 | return iPdmInterDir; |
---|
| 555 | } |
---|
| 556 | |
---|
| 557 | |
---|
| 558 | Bool |
---|
| 559 | TComDepthMapGenerator::getPdmMvPred( TComDataCU* pcCU, UInt uiPartIdx, RefPicList eRefPicList, Int iRefIdx, TComMv& rcMv, Bool bMerge ) |
---|
| 560 | { |
---|
| 561 | AOF ( m_bCreated && m_bInit ); |
---|
| 562 | AOF ( iRefIdx >= 0 ); |
---|
| 563 | AOF ( pcCU ); |
---|
| 564 | ROFRS( m_bPDMAvailable, false ); |
---|
| 565 | |
---|
| 566 | TComSlice* pcSlice = pcCU->getSlice (); |
---|
| 567 | TComPic* pcPic = pcCU->getPic (); |
---|
| 568 | TComSPS* pcSPS = pcSlice->getSPS(); |
---|
| 569 | AOF ( pcPic->getPredDepthMap() ); |
---|
| 570 | AOF ( pcSPS->getViewId() == m_uiCurrViewId ); |
---|
| 571 | |
---|
| 572 | TComPic* pcRefPic = pcSlice->getRefPic( eRefPicList, iRefIdx ); |
---|
| 573 | UInt uiRefViewId = pcRefPic->getSPS()->getViewId(); |
---|
| 574 | Int iRefPoc = pcRefPic->getPOC(); |
---|
| 575 | Bool bInterview = ( uiRefViewId < m_uiCurrViewId ); |
---|
| 576 | AOT( bInterview && iRefPoc != pcSlice->getPOC() ); |
---|
| 577 | AOT( !bInterview && iRefPoc == pcSlice->getPOC() ); |
---|
| 578 | |
---|
| 579 | Bool bPdmIView = ( ( pcSPS->getMultiviewMvPredMode() & PDM_USE_FOR_IVIEW ) == PDM_USE_FOR_IVIEW ); |
---|
| 580 | Bool bPdmInter = ( ( pcSPS->getMultiviewMvPredMode() & PDM_USE_FOR_INTER ) == PDM_USE_FOR_INTER ); |
---|
| 581 | Bool bPdmMerge = ( ( pcSPS->getMultiviewMvPredMode() & PDM_USE_FOR_MERGE ) == PDM_USE_FOR_MERGE ); |
---|
| 582 | ROTRS( ( bInterview && !bMerge ) && !bPdmIView, false ); |
---|
| 583 | ROTRS( (!bInterview && !bMerge ) && !bPdmInter, false ); |
---|
| 584 | ROTRS( bMerge && !bPdmMerge, false ); |
---|
| 585 | |
---|
| 586 | //===== get predicted depth for middle position of current PU ===== |
---|
| 587 | Int iPrdDepth, iCurrPosX, iCurrPosY; |
---|
| 588 | Bool bAvailable = xGetPredDepth( pcCU, uiPartIdx, iPrdDepth, &iCurrPosX, &iCurrPosY ); |
---|
| 589 | AOF( bAvailable ); |
---|
| 590 | |
---|
| 591 | //===== inter-view motion vector prediction ===== |
---|
| 592 | if( bInterview ) |
---|
| 593 | { |
---|
| 594 | Int iDisparity = xGetDisparityFromVirtDepth( uiRefViewId, iPrdDepth ); |
---|
| 595 | rcMv.set ( iDisparity, 0 ); |
---|
| 596 | return true; |
---|
| 597 | } |
---|
| 598 | |
---|
| 599 | //===== inter motion vector prediction ===== |
---|
| 600 | for( UInt uiBId = 0; uiBId < m_uiCurrViewId; uiBId++ ) |
---|
| 601 | { |
---|
| 602 | //--- get base CU/PU and check prediction mode --- |
---|
| 603 | UInt uiBaseId = m_auiBaseIdList[ uiBId ]; |
---|
| 604 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( uiBaseId ); |
---|
| 605 | TComPicYuv* pcBasePdm = pcBasePic->getPredDepthMap(); |
---|
| 606 | TComPicYuv* pcBaseRec = pcBasePic->getPicYuvRec (); |
---|
| 607 | Int iDisparity = xGetDisparityFromVirtDepth( uiBaseId, iPrdDepth ); |
---|
| 608 | Int iBasePosX = Clip3( 0, pcBasePdm->getWidth () - 1, iCurrPosX + ( ( iDisparity + 2 ) >> 2 ) ); |
---|
| 609 | Int iBasePosY = Clip3( 0, pcBasePdm->getHeight() - 1, iCurrPosY ); |
---|
| 610 | Int iBaseCUAddr; |
---|
| 611 | Int iBaseAbsPartIdx; |
---|
| 612 | pcBaseRec->getCUAddrAndPartIdx( iBasePosX, iBasePosY, iBaseCUAddr, iBaseAbsPartIdx ); |
---|
| 613 | TComDataCU* pcBaseCU = pcBasePic->getCU( iBaseCUAddr ); |
---|
| 614 | if( pcBaseCU->getPredictionMode( iBaseAbsPartIdx ) != MODE_INTER && pcBaseCU->getPredictionMode( iBaseAbsPartIdx ) != MODE_SKIP ) |
---|
| 615 | { |
---|
| 616 | continue; |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | for( UInt uiBaseRefListId = 0; uiBaseRefListId < 2; uiBaseRefListId++ ) |
---|
| 620 | { |
---|
| 621 | RefPicList eBaseRefPicList = RefPicList( uiBaseRefListId ); |
---|
| 622 | TComMvField cBaseMvField; |
---|
| 623 | pcBaseCU->getMvField( pcBaseCU, iBaseAbsPartIdx, eBaseRefPicList, cBaseMvField ); |
---|
| 624 | Int iBaseRefIdx = cBaseMvField.getRefIdx(); |
---|
| 625 | Int iBaseRefPoc = ( iBaseRefIdx >= 0 ? pcBaseCU->getSlice()->getRefPic( eBaseRefPicList, iBaseRefIdx )->getPOC() : -(1<<30) ); |
---|
| 626 | if( iBaseRefIdx >= 0 && iBaseRefPoc == iRefPoc ) |
---|
| 627 | { |
---|
| 628 | rcMv.set( cBaseMvField.getHor(), cBaseMvField.getVer() ); |
---|
| 629 | return true; |
---|
| 630 | } |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | return false; |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | |
---|
| 637 | Bool // first version |
---|
| 638 | TComDepthMapGenerator::getIViewOrgDepthMvPred( TComDataCU* pcCU, UInt uiPartIdx, RefPicList eRefPicList, Int iRefIdx, TComMv& rcMv ) |
---|
| 639 | { |
---|
| 640 | AOF ( m_bCreated && m_bInit ); |
---|
| 641 | AOF ( iRefIdx >= 0 ); |
---|
| 642 | AOF ( pcCU ); |
---|
| 643 | |
---|
| 644 | TComSlice* pcSlice = pcCU->getSlice (); |
---|
| 645 | TComPic* pcPic = pcCU->getPic (); |
---|
| 646 | TComSPS* pcSPS = pcSlice->getSPS(); |
---|
| 647 | AOF ( pcSPS->getViewId() == m_uiCurrViewId ); |
---|
| 648 | ROFRS( pcPic->getOrgDepthMap(), false ); |
---|
| 649 | |
---|
| 650 | TComPic* pcRefPic = pcSlice->getRefPic( eRefPicList, iRefIdx ); |
---|
| 651 | UInt uiRefViewId = pcRefPic->getSPS()->getViewId(); |
---|
| 652 | Int iRefPoc = pcRefPic->getPOC(); |
---|
| 653 | ROFRS( uiRefViewId < m_uiCurrViewId, false ); |
---|
| 654 | AOF ( iRefPoc == pcSlice->getPOC() ); |
---|
| 655 | |
---|
| 656 | //===== get predicted depth for middle position of current PU (first version) ===== |
---|
| 657 | UInt uiPartAddr; |
---|
| 658 | Int iWidth; |
---|
| 659 | Int iHeight; |
---|
| 660 | pcCU->getPartIndexAndSize( uiPartIdx, uiPartAddr, iWidth, iHeight ); |
---|
| 661 | TComPicYuv* pcOrgDepthMap = pcPic->getOrgDepthMap(); |
---|
| 662 | Pel* piOrgDepthMap = pcOrgDepthMap->getLumaAddr ( 0 ); |
---|
| 663 | Int iCurrStride = pcOrgDepthMap->getStride (); |
---|
| 664 | Int iCurrPosX; |
---|
| 665 | Int iCurrPosY; |
---|
| 666 | pcOrgDepthMap->getTopLeftSamplePos( pcCU->getAddr(), pcCU->getZorderIdxInCU() + uiPartAddr, iCurrPosX, iCurrPosY ); |
---|
| 667 | iCurrPosX += ( iWidth - 1 ) >> 1; |
---|
| 668 | iCurrPosY += ( iHeight - 1 ) >> 1; |
---|
| 669 | Int iPrdDepth = piOrgDepthMap[ iCurrPosX + iCurrPosY * iCurrStride ]; |
---|
| 670 | |
---|
| 671 | //===== get disparity vector ===== |
---|
| 672 | Int iDisparity = xGetDisparityFromVirtDepth( uiRefViewId, iPrdDepth ); |
---|
| 673 | rcMv.set ( iDisparity, 0 ); |
---|
| 674 | return true; |
---|
| 675 | } |
---|
| 676 | |
---|
| 677 | |
---|
| 678 | |
---|
| 679 | |
---|
| 680 | |
---|
| 681 | |
---|
| 682 | |
---|
| 683 | /*=======================================================* |
---|
| 684 | *===== =====* |
---|
| 685 | *===== p i c t u r e o p e r a t i o n s =====* |
---|
| 686 | *===== =====* |
---|
| 687 | *=======================================================*/ |
---|
| 688 | |
---|
| 689 | Bool |
---|
| 690 | TComDepthMapGenerator::xConvertDepthMapCurr2Ref( TComPic* pcRef, TComPic* pcCur ) |
---|
| 691 | { |
---|
| 692 | AOF( pcCur->getSPS()->getViewId() == m_uiCurrViewId ); |
---|
| 693 | AOF( pcCur->getSPS()->getViewId() > pcRef->getSPS()->getViewId() ); |
---|
| 694 | AOF( pcCur->getPredDepthMap() ); |
---|
| 695 | AOF( pcRef->getPredDepthMap() ); |
---|
| 696 | AOF( pcRef->getPredDepthMap()->getWidth () == pcCur->getPredDepthMap()->getWidth () ); |
---|
| 697 | AOF( pcRef->getPredDepthMap()->getHeight() == pcCur->getPredDepthMap()->getHeight() ); |
---|
| 698 | |
---|
| 699 | xClearDepthMap( pcRef ); |
---|
| 700 | TComPicYuv* pcCurDepthMap = pcCur->getPredDepthMap (); |
---|
| 701 | TComPicYuv* pcRefDepthMap = pcRef->getPredDepthMap (); |
---|
| 702 | Int iWidth = pcCurDepthMap->getWidth (); |
---|
| 703 | Int iHeight = pcCurDepthMap->getHeight (); |
---|
| 704 | Int iCurStride = pcCurDepthMap->getStride (); |
---|
| 705 | Int iRefStride = pcRefDepthMap->getStride (); |
---|
| 706 | Pel* pCurSamples = pcCurDepthMap->getLumaAddr( 0 ); |
---|
| 707 | Pel* pRefSamples = pcRefDepthMap->getLumaAddr( 0 ); |
---|
| 708 | Int iRefViewIdx = pcRef->getViewIdx(); |
---|
| 709 | for( Int iY = 0; iY < iHeight; iY++, pCurSamples += iCurStride, pRefSamples += iRefStride ) |
---|
| 710 | { |
---|
| 711 | for( Int iXCur = 0; iXCur < iWidth; iXCur++ ) |
---|
| 712 | { |
---|
| 713 | Int iDepth = pCurSamples[ iXCur ]; |
---|
| 714 | Int iDisp = xGetDisparityFromVirtDepth( iRefViewIdx, iDepth ); |
---|
| 715 | Int iXRef = iXCur + ( ( iDisp + 2 ) >> 2 ); |
---|
| 716 | if( iXRef >= 0 && iXRef < iWidth && iDepth > pRefSamples[ iXRef ] ) |
---|
| 717 | { |
---|
| 718 | pRefSamples[ iXRef ] = iDepth; |
---|
| 719 | } |
---|
| 720 | } |
---|
| 721 | } |
---|
| 722 | Bool bUndefined = xFillDepthMapHoles( pcRef ); |
---|
| 723 | pcRefDepthMap->setBorderExtension( false ); |
---|
| 724 | pcRefDepthMap->extendPicBorder (); |
---|
| 725 | return bUndefined; |
---|
| 726 | } |
---|
| 727 | |
---|
| 728 | |
---|
| 729 | Bool |
---|
| 730 | TComDepthMapGenerator::xConvertDepthMapRef2Curr( TComPic* pcCur, TComPic* pcRef ) |
---|
| 731 | { |
---|
| 732 | AOF( pcCur->getSPS()->getViewId() == m_uiCurrViewId ); |
---|
| 733 | AOF( pcCur->getSPS()->getViewId() > pcRef->getSPS()->getViewId() ); |
---|
| 734 | AOF( pcCur->getPredDepthMap() ); |
---|
| 735 | AOF( pcRef->getPredDepthMap() ); |
---|
| 736 | AOF( pcRef->getPredDepthMap()->getWidth () == pcCur->getPredDepthMap()->getWidth () ); |
---|
| 737 | AOF( pcRef->getPredDepthMap()->getHeight() == pcCur->getPredDepthMap()->getHeight() ); |
---|
| 738 | |
---|
| 739 | xClearDepthMap( pcCur ); |
---|
| 740 | TComPicYuv* pcRefDepthMap = pcRef->getPredDepthMap (); |
---|
| 741 | TComPicYuv* pcCurDepthMap = pcCur->getPredDepthMap (); |
---|
| 742 | Int iWidth = pcRefDepthMap->getWidth (); |
---|
| 743 | Int iHeight = pcRefDepthMap->getHeight (); |
---|
| 744 | Int iRefStride = pcRefDepthMap->getStride (); |
---|
| 745 | Int iCurStride = pcCurDepthMap->getStride (); |
---|
| 746 | Pel* pRefSamples = pcRefDepthMap->getLumaAddr( 0 ); |
---|
| 747 | Pel* pCurSamples = pcCurDepthMap->getLumaAddr( 0 ); |
---|
| 748 | Int iRefViewIdx = pcRef->getViewIdx(); |
---|
| 749 | for( Int iY = 0; iY < iHeight; iY++, pRefSamples += iRefStride, pCurSamples += iCurStride ) |
---|
| 750 | { |
---|
| 751 | for( Int iXRef = 0; iXRef < iWidth; iXRef++ ) |
---|
| 752 | { |
---|
| 753 | Int iDepth = pRefSamples[ iXRef ]; |
---|
| 754 | Int iDisp = xGetDisparityFromVirtDepth( iRefViewIdx, iDepth ); |
---|
| 755 | Int iXCur = iXRef - ( ( iDisp + 2 ) >> 2 ); |
---|
| 756 | if( iXCur >= 0 && iXCur < iWidth && iDepth > pCurSamples[ iXCur ] ) |
---|
| 757 | { |
---|
| 758 | pCurSamples[ iXCur ] = iDepth; |
---|
| 759 | } |
---|
| 760 | } |
---|
| 761 | } |
---|
| 762 | Bool bUndefined = xFillDepthMapHoles( pcCur ); |
---|
| 763 | pcCurDepthMap->setBorderExtension( false ); |
---|
| 764 | pcCurDepthMap->extendPicBorder (); |
---|
| 765 | return bUndefined; |
---|
| 766 | } |
---|
| 767 | |
---|
| 768 | |
---|
| 769 | Bool |
---|
| 770 | TComDepthMapGenerator::xPredictDepthMap( TComPic* pcPic ) |
---|
| 771 | { |
---|
| 772 | for( UInt uiCUAddr = 0; uiCUAddr < pcPic->getPicSym()->getNumberOfCUsInFrame(); uiCUAddr++ ) |
---|
| 773 | { |
---|
| 774 | TComDataCU* pcCU = pcPic->getCU( uiCUAddr ); |
---|
| 775 | xPredictCUDepthMap( pcCU, 0, 0 ); |
---|
| 776 | } |
---|
| 777 | Bool bUndefined = xFillDepthMapHoles( pcPic ); |
---|
| 778 | pcPic->getPredDepthMap()->setBorderExtension( false ); |
---|
| 779 | pcPic->getPredDepthMap()->extendPicBorder (); |
---|
| 780 | return bUndefined; |
---|
| 781 | } |
---|
| 782 | |
---|
| 783 | |
---|
| 784 | Bool |
---|
| 785 | TComDepthMapGenerator::xFillDepthMapHoles( TComPic* pcPic ) |
---|
| 786 | { |
---|
| 787 | Bool bUndefined = false; |
---|
| 788 | TComPicYuv* pcDepthMap = pcPic->getPredDepthMap (); |
---|
| 789 | Int iWidth = pcDepthMap->getWidth (); |
---|
| 790 | Int iHeight = pcDepthMap->getHeight (); |
---|
| 791 | Int iStride = pcDepthMap->getStride (); |
---|
| 792 | Pel* pDMSamples = pcDepthMap->getLumaAddr ( 0 ); |
---|
| 793 | // horizontal |
---|
| 794 | for( Int iY = 0; iY < iHeight && !bUndefined; iY++, pDMSamples += iStride ) |
---|
| 795 | { |
---|
| 796 | for( Int iX = 0; iX < iWidth; iX++ ) |
---|
| 797 | { |
---|
| 798 | if( pDMSamples[ iX ] == PDM_UNDEFINED_DEPTH ) |
---|
| 799 | { |
---|
| 800 | Int iE; |
---|
| 801 | for( iE = iX + 1; iE < iWidth; iE++ ) |
---|
| 802 | { |
---|
| 803 | if( pDMSamples[ iE ] != PDM_UNDEFINED_DEPTH ) |
---|
| 804 | { |
---|
| 805 | break; |
---|
| 806 | } |
---|
| 807 | } |
---|
| 808 | if( iX > 0 || iE < iWidth ) |
---|
| 809 | { |
---|
| 810 | Int iDepth; |
---|
| 811 | if ( iX > 0 && iE < iWidth ) iDepth = ( pDMSamples[ iX-1 ] < pDMSamples[ iE ] ? pDMSamples[ iX-1 ] : pDMSamples[ iE ] ); |
---|
| 812 | else if( iX > 0 ) iDepth = pDMSamples[ iX-1 ]; |
---|
| 813 | else /*( iE < iWidth )*/ iDepth = pDMSamples[ iE ]; |
---|
| 814 | for( Int iZ = iX; iZ < iE; iZ++ ) |
---|
| 815 | { |
---|
| 816 | pDMSamples[ iZ ] = iDepth; |
---|
| 817 | } |
---|
| 818 | } |
---|
| 819 | else |
---|
| 820 | { |
---|
| 821 | bUndefined = true; |
---|
| 822 | break; |
---|
| 823 | } |
---|
| 824 | iX = iE - 1; |
---|
| 825 | } |
---|
| 826 | } |
---|
| 827 | } |
---|
| 828 | |
---|
| 829 | if( bUndefined && m_uiCurrViewId ) |
---|
| 830 | { |
---|
| 831 | pDMSamples = pcDepthMap->getLumaAddr( 0 ); |
---|
| 832 | Int iMiddleOrgDpth = ( 1 << m_uiOrgDepthBitDepth ) >> 1; |
---|
| 833 | Int iMiddleDepth = xGetVirtDepthFromOrigDepth( m_uiCurrViewId, iMiddleOrgDpth ); |
---|
| 834 | for( Int iY = 0; iY < iHeight; iY++, pDMSamples += iStride ) |
---|
| 835 | { |
---|
| 836 | for( Int iX = 0; iX < iWidth; iX++ ) |
---|
| 837 | { |
---|
| 838 | pDMSamples[ iX ] = iMiddleDepth; |
---|
| 839 | } |
---|
| 840 | } |
---|
| 841 | } |
---|
| 842 | return bUndefined; |
---|
| 843 | } |
---|
| 844 | |
---|
| 845 | |
---|
| 846 | Void |
---|
| 847 | TComDepthMapGenerator::xClearDepthMap( TComPic* pcPic, Int iVal ) |
---|
| 848 | { |
---|
| 849 | TComPicYuv* pcDepthMap = pcPic->getPredDepthMap (); |
---|
| 850 | Int iWidth = pcDepthMap->getWidth (); |
---|
| 851 | Int iHeight = pcDepthMap->getHeight (); |
---|
| 852 | Int iStride = pcDepthMap->getStride (); |
---|
| 853 | Pel* pDMSamples = pcDepthMap->getLumaAddr ( 0 ); |
---|
| 854 | for( Int iY = 0; iY < iHeight; iY++, pDMSamples += iStride ) |
---|
| 855 | { |
---|
| 856 | for( Int iX = 0; iX < iWidth; iX++ ) |
---|
| 857 | { |
---|
| 858 | pDMSamples[ iX ] = iVal; |
---|
| 859 | } |
---|
| 860 | } |
---|
| 861 | pcDepthMap->setBorderExtension( false ); |
---|
| 862 | pcDepthMap->extendPicBorder (); |
---|
| 863 | } |
---|
| 864 | |
---|
| 865 | Void |
---|
| 866 | TComDepthMapGenerator::xSetChroma( TComPicYuv* pcPic, Int iVal ) |
---|
| 867 | { |
---|
| 868 | Int iWidth = pcPic->getWidth () >> 1; |
---|
| 869 | Int iHeight = pcPic->getHeight () >> 1; |
---|
| 870 | Int iStride = pcPic->getCStride (); |
---|
| 871 | Pel* pCbSamples = pcPic->getCbAddr ( 0 ); |
---|
| 872 | Pel* pCrSamples = pcPic->getCrAddr ( 0 ); |
---|
| 873 | for( Int iY = 0; iY < iHeight; iY++, pCbSamples += iStride, pCrSamples += iStride ) |
---|
| 874 | { |
---|
| 875 | for( Int iX = 0; iX < iWidth; iX++ ) |
---|
| 876 | { |
---|
| 877 | pCbSamples[ iX ] = pCrSamples[ iX ] = iVal; |
---|
| 878 | } |
---|
| 879 | } |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | |
---|
| 883 | |
---|
| 884 | |
---|
| 885 | |
---|
| 886 | |
---|
| 887 | |
---|
| 888 | /*===============================================* |
---|
| 889 | *===== =====* |
---|
| 890 | *===== C U p r e d i c t i o n s =====* |
---|
| 891 | *===== =====* |
---|
| 892 | *===============================================*/ |
---|
| 893 | |
---|
| 894 | Void |
---|
| 895 | TComDepthMapGenerator::xPredictCUDepthMap( TComDataCU* pcCU, UInt uiDepth, UInt uiAbsPartIdx ) |
---|
| 896 | { |
---|
| 897 | UInt uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[ uiAbsPartIdx ] ]; |
---|
| 898 | UInt uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[ uiAbsPartIdx ] ]; |
---|
| 899 | UInt uiRPelX = uiLPelX + ( g_uiMaxCUWidth >> uiDepth ) - 1; |
---|
| 900 | UInt uiBPelY = uiTPelY + ( g_uiMaxCUHeight >> uiDepth ) - 1; |
---|
| 901 | Bool bBoundary = ( uiRPelX >= pcCU->getSlice()->getSPS()->getWidth() || uiBPelY >= pcCU->getSlice()->getSPS()->getHeight() ); |
---|
| 902 | Bool bSplit = ( ( uiDepth < pcCU->getDepth( uiAbsPartIdx ) && uiDepth < ( g_uiMaxCUDepth - g_uiAddCUDepth ) ) || bBoundary ); |
---|
| 903 | if( bSplit ) |
---|
| 904 | { |
---|
| 905 | UInt uiQNumParts = ( pcCU->getPic()->getNumPartInCU() >> ( uiDepth << 1 ) ) >> 2; |
---|
| 906 | for ( UInt uiPartUnitIdx = 0; uiPartUnitIdx < 4; uiPartUnitIdx++, uiAbsPartIdx += uiQNumParts ) |
---|
| 907 | { |
---|
| 908 | uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[ uiAbsPartIdx ] ]; |
---|
| 909 | uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[ uiAbsPartIdx ] ]; |
---|
| 910 | Bool bInside = ( uiLPelX < pcCU->getSlice()->getSPS()->getWidth() && uiTPelY < pcCU->getSlice()->getSPS()->getHeight() ); |
---|
| 911 | if( bInside ) |
---|
| 912 | { |
---|
| 913 | xPredictCUDepthMap( pcCU, uiDepth + 1, uiAbsPartIdx ); |
---|
| 914 | } |
---|
| 915 | } |
---|
| 916 | return; |
---|
| 917 | } |
---|
| 918 | |
---|
| 919 | //--- set sub-CU and sub-depth-map --- |
---|
| 920 | TComDataCU* pcSubCU = m_ppcCU [ uiDepth ]; |
---|
| 921 | TComYuv* pcSubDM = m_ppcYuv[ uiDepth ]; |
---|
| 922 | TComPicYuv* pcPicDM = pcCU->getPic()->getPredDepthMap(); |
---|
| 923 | UInt uiCUAddr = pcCU->getAddr(); |
---|
| 924 | pcSubCU->copySubCU( pcCU, uiAbsPartIdx, uiDepth ); |
---|
| 925 | |
---|
| 926 | //--- update depth map --- |
---|
| 927 | switch( pcSubCU->getPredictionMode( 0 ) ) |
---|
| 928 | { |
---|
| 929 | case MODE_INTRA: |
---|
| 930 | xIntraPredictCUDepthMap( pcSubCU, pcSubDM ); |
---|
| 931 | break; |
---|
| 932 | case MODE_SKIP: |
---|
| 933 | case MODE_INTER: |
---|
| 934 | xInterPredictCUDepthMap( pcSubCU, pcSubDM ); |
---|
| 935 | break; |
---|
| 936 | default: |
---|
| 937 | AOT( true ); |
---|
| 938 | break; |
---|
| 939 | } |
---|
| 940 | |
---|
| 941 | //--- copy sub-depth-map --- |
---|
| 942 | pcSubDM->copyToPicYuv( pcPicDM, uiCUAddr, uiAbsPartIdx ); |
---|
| 943 | } |
---|
| 944 | |
---|
| 945 | |
---|
| 946 | Void |
---|
| 947 | TComDepthMapGenerator::xIntraPredictCUDepthMap( TComDataCU* pcCU, TComYuv* pcCUDepthMap ) |
---|
| 948 | { |
---|
| 949 | UInt uiInitTrDepth = ( pcCU->getPartitionSize( 0 ) == SIZE_2Nx2N ? 0 : 1 ); |
---|
| 950 | UInt uiNumPart = pcCU->getNumPartInter (); |
---|
| 951 | UInt uiNumQParts = pcCU->getTotalNumPart () >> 2; |
---|
| 952 | for( UInt uiPU = 0; uiPU < uiNumPart; uiPU++ ) |
---|
| 953 | { |
---|
| 954 | xIntraPredictBlkDepthMap( pcCU, pcCUDepthMap, uiPU * uiNumQParts, uiInitTrDepth ); |
---|
| 955 | } |
---|
| 956 | } |
---|
| 957 | |
---|
| 958 | |
---|
| 959 | Void |
---|
| 960 | TComDepthMapGenerator::xInterPredictCUDepthMap( TComDataCU* pcCU, TComYuv* pcCUDepthMap ) |
---|
| 961 | { |
---|
| 962 | for( UInt uiPartIdx = 0; uiPartIdx < pcCU->getNumPartInter(); uiPartIdx++ ) |
---|
| 963 | { |
---|
| 964 | xInterPredictPUDepthMap( pcCU, pcCUDepthMap, uiPartIdx ); |
---|
| 965 | } |
---|
| 966 | } |
---|
| 967 | |
---|
| 968 | |
---|
| 969 | |
---|
| 970 | |
---|
| 971 | |
---|
| 972 | |
---|
| 973 | |
---|
| 974 | /*=====================================================================* |
---|
| 975 | *===== =====* |
---|
| 976 | *===== P U - a n d B l o c k p r e d i c t i o n s =====* |
---|
| 977 | *===== =====* |
---|
| 978 | *=====================================================================*/ |
---|
| 979 | |
---|
| 980 | Void |
---|
| 981 | TComDepthMapGenerator::xIntraPredictBlkDepthMap( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiAbsPartIdx, UInt uiTrDepth ) |
---|
| 982 | { |
---|
| 983 | UInt uiFullDepth = pcCU->getDepth( 0 ) + uiTrDepth; |
---|
| 984 | UInt uiTrMode = pcCU->getTransformIdx( uiAbsPartIdx ); |
---|
| 985 | if( uiTrMode == uiTrDepth ) |
---|
| 986 | { |
---|
| 987 | UInt uiWidth = pcCU->getWidth ( 0 ) >> uiTrDepth; |
---|
| 988 | UInt uiHeight = pcCU->getHeight( 0 ) >> uiTrDepth; |
---|
| 989 | UInt uiStride = pcCUDepthMap->getStride (); |
---|
| 990 | Pel* pDepthMap = pcCUDepthMap->getLumaAddr( uiAbsPartIdx ); |
---|
| 991 | UInt uiLumaPredMode = pcCU->getLumaIntraDir ( uiAbsPartIdx ); |
---|
| 992 | Bool bAboveAvail = false; |
---|
| 993 | Bool bLeftAvail = false; |
---|
| 994 | pcCU->getPattern()->initPattern ( pcCU, uiTrDepth, uiAbsPartIdx, true ); |
---|
| 995 | pcCU->getPattern()->initAdiPattern( pcCU, uiAbsPartIdx, uiTrDepth, |
---|
| 996 | m_pcPrediction->getPredicBuf (), |
---|
| 997 | m_pcPrediction->getPredicBufWidth (), |
---|
| 998 | m_pcPrediction->getPredicBufHeight (), |
---|
| 999 | bAboveAvail, bLeftAvail, true ); |
---|
| 1000 | m_pcPrediction->predIntraDepthAng ( pcCU->getPattern(), uiLumaPredMode, pDepthMap, uiStride, uiWidth, uiHeight ); // could be replaced with directional intra prediction |
---|
| 1001 | // using "predIntraLumaAng", but note: |
---|
| 1002 | // - need to take care of neighbours with undefined depth |
---|
| 1003 | // - special case for wedgelet mode (if available in normal views) |
---|
| 1004 | // copy to picture array (for next intra prediction block) |
---|
| 1005 | UInt uiZOrderIdx = pcCU->getZorderIdxInCU() + uiAbsPartIdx; |
---|
| 1006 | Pel* pPicDepthMap = pcCU->getPic()->getPredDepthMap()->getLumaAddr( pcCU->getAddr(), uiZOrderIdx ); |
---|
| 1007 | Int iPicStride = pcCU->getPic()->getPredDepthMap()->getStride (); |
---|
| 1008 | for( UInt uiY = 0; uiY < uiHeight; uiY++, pDepthMap += uiStride, pPicDepthMap += iPicStride ) |
---|
| 1009 | { |
---|
| 1010 | for( UInt uiX = 0; uiX < uiWidth; uiX++ ) |
---|
| 1011 | { |
---|
| 1012 | pPicDepthMap[ uiX ] = pDepthMap[ uiX ]; |
---|
| 1013 | } |
---|
| 1014 | } |
---|
| 1015 | } |
---|
| 1016 | else |
---|
| 1017 | { |
---|
| 1018 | UInt uiNumQPart = pcCU->getPic()->getNumPartInCU() >> ( ( uiFullDepth + 1 ) << 1 ); |
---|
| 1019 | for( UInt uiPart = 0; uiPart < 4; uiPart++ ) |
---|
| 1020 | { |
---|
| 1021 | xIntraPredictBlkDepthMap( pcCU, pcCUDepthMap, uiAbsPartIdx + uiPart * uiNumQPart, uiTrDepth + 1 ); |
---|
| 1022 | } |
---|
| 1023 | } |
---|
| 1024 | } |
---|
| 1025 | |
---|
| 1026 | |
---|
| 1027 | Void |
---|
| 1028 | TComDepthMapGenerator::xInterPredictPUDepthMap( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ) |
---|
| 1029 | { |
---|
| 1030 | if ( pcCU->getSlice()->getSPS()->getViewId() ) |
---|
| 1031 | { |
---|
| 1032 | AOF( m_uiCurrViewId == pcCU->getSlice()->getSPS()->getViewId() ); |
---|
| 1033 | // check for interview prediction |
---|
| 1034 | Int iWidth; |
---|
| 1035 | Int iHeight; |
---|
| 1036 | UInt uiAbsPartIdx; |
---|
| 1037 | pcCU->getPartIndexAndSize( uiPartIdx, uiAbsPartIdx, iWidth, iHeight ); |
---|
| 1038 | TComCUMvField* aiCurrMvField[2] = { pcCU->getCUMvField( REF_PIC_LIST_0 ), pcCU->getCUMvField( REF_PIC_LIST_1 ) }; |
---|
| 1039 | Int aiCurrRefIdx [2] = { aiCurrMvField[0]->getRefIdx( uiAbsPartIdx ), aiCurrMvField[1]->getRefIdx( uiAbsPartIdx ) }; |
---|
| 1040 | Bool abCurrIntView[2] = { aiCurrRefIdx[0] >= 0 && pcCU->getSlice()->getRefPic( REF_PIC_LIST_0, aiCurrRefIdx[0] )->getSPS()->getViewId() != m_uiCurrViewId, |
---|
| 1041 | aiCurrRefIdx[1] >= 0 && pcCU->getSlice()->getRefPic( REF_PIC_LIST_1, aiCurrRefIdx[1] )->getSPS()->getViewId() != m_uiCurrViewId }; |
---|
| 1042 | Bool bUsesInterViewPrd = ( abCurrIntView[0] || abCurrIntView[1] ); |
---|
| 1043 | if( bUsesInterViewPrd ) |
---|
| 1044 | { |
---|
| 1045 | xIViewPUDepthMapUpdate ( pcCU, pcCUDepthMap, uiPartIdx ); |
---|
| 1046 | } |
---|
| 1047 | else |
---|
| 1048 | { |
---|
| 1049 | #if PDM_NO_INTER_UPDATE |
---|
| 1050 | xInterPUDepthMapPrediction( pcCU, pcCUDepthMap, uiPartIdx ); |
---|
| 1051 | #else |
---|
| 1052 | xInterPUDepthMapUpdate ( pcCU, pcCUDepthMap, uiPartIdx ); |
---|
| 1053 | #endif |
---|
| 1054 | } |
---|
| 1055 | } |
---|
| 1056 | else |
---|
| 1057 | { |
---|
| 1058 | xInterPUDepthMapPrediction( pcCU, pcCUDepthMap, uiPartIdx ); |
---|
| 1059 | } |
---|
| 1060 | } |
---|
| 1061 | |
---|
| 1062 | |
---|
| 1063 | Void |
---|
| 1064 | TComDepthMapGenerator::xIViewPUDepthMapUpdate( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ) |
---|
| 1065 | { |
---|
| 1066 | // get width, height, and part address |
---|
| 1067 | Int iWidth; |
---|
| 1068 | Int iHeight; |
---|
| 1069 | UInt uiAbsPartIdx; |
---|
| 1070 | pcCU->getPartIndexAndSize( uiPartIdx, uiAbsPartIdx, iWidth, iHeight ); |
---|
| 1071 | |
---|
| 1072 | // get depth values |
---|
| 1073 | Int iDepthValue = PDM_UNDEFINED_DEPTH; |
---|
| 1074 | Int aiPrdDepth[2] = { PDM_UNDEFINED_DEPTH, PDM_UNDEFINED_DEPTH }; |
---|
| 1075 | for( Int iRefListId = 0; iRefListId < 2; iRefListId++ ) |
---|
| 1076 | { |
---|
| 1077 | RefPicList eRefPicList = RefPicList( iRefListId ); |
---|
| 1078 | TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefPicList ); |
---|
| 1079 | Int iRefIdx = pcCUMvField->getRefIdx( uiAbsPartIdx ); |
---|
| 1080 | UInt uiBaseId = ( iRefIdx >= 0 ? pcCU->getSlice()->getRefPic( eRefPicList, iRefIdx )->getSPS()->getViewId() : MAX_NUMBER_VIEWS ); |
---|
| 1081 | Bool bInterview = ( iRefIdx >= 0 && uiBaseId < m_uiCurrViewId ); |
---|
| 1082 | if( bInterview ) |
---|
| 1083 | { |
---|
| 1084 | Int iMvX = pcCUMvField->getMv( uiAbsPartIdx ).getHor(); |
---|
| 1085 | aiPrdDepth[ iRefListId ] = xGetVirtDepthFromDisparity( uiBaseId, iMvX ); |
---|
| 1086 | } |
---|
| 1087 | } |
---|
| 1088 | if( aiPrdDepth[ 0 ] != PDM_UNDEFINED_DEPTH && aiPrdDepth[ 1 ] != PDM_UNDEFINED_DEPTH ) |
---|
| 1089 | { |
---|
| 1090 | iDepthValue = ( aiPrdDepth[ 0 ] + aiPrdDepth[ 1 ] + 1 ) >> 2; |
---|
| 1091 | } |
---|
| 1092 | else |
---|
| 1093 | { |
---|
| 1094 | iDepthValue = ( aiPrdDepth[ 0 ] != PDM_UNDEFINED_DEPTH ? aiPrdDepth[ 0 ] : aiPrdDepth[ 1 ] ); |
---|
| 1095 | AOT( iDepthValue == PDM_UNDEFINED_DEPTH ); |
---|
| 1096 | } |
---|
| 1097 | iDepthValue = Max( 0, Min( PDM_MAX_ABS_VIRT_DEPTH, iDepthValue ) ); |
---|
| 1098 | |
---|
| 1099 | // set depth map for PU |
---|
| 1100 | Pel* pDMSamples = pcCUDepthMap->getLumaAddr( uiAbsPartIdx ); |
---|
| 1101 | Int iStride = pcCUDepthMap->getStride (); |
---|
| 1102 | for( Int iY = 0; iY < iHeight; iY++, pDMSamples += iStride ) |
---|
| 1103 | { |
---|
| 1104 | for( Int iX = 0; iX < iWidth; iX++) |
---|
| 1105 | { |
---|
| 1106 | pDMSamples[ iX ] = (Pel)iDepthValue; |
---|
| 1107 | } |
---|
| 1108 | } |
---|
| 1109 | } |
---|
| 1110 | |
---|
| 1111 | |
---|
| 1112 | Void |
---|
| 1113 | TComDepthMapGenerator::xInterPUDepthMapUpdate( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ) |
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| 1114 | { |
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| 1115 | const Int iMaxAbsDeltaMvY = 8 << 2; |
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| 1116 | |
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| 1117 | //===== determine block parameters for current access unit and current view ===== |
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| 1118 | Int iWidth; |
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| 1119 | Int iHeight; |
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| 1120 | UInt uiAbsPartIdx; |
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| 1121 | pcCU->getPartIndexAndSize ( uiPartIdx, uiAbsPartIdx, iWidth, iHeight ); |
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| 1122 | UInt uiCurrViewId = pcCU->getSlice()->getSPS()->getViewId(); |
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| 1123 | Int iNum4x4BlksY = iHeight >> 2; |
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| 1124 | Int iNum4x4BlksX = iWidth >> 2; |
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| 1125 | TComPicYuv* pcCurrDepthMap = pcCU->getPic()->getPredDepthMap(); |
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| 1126 | Pel* piCurrDepthMap = pcCurrDepthMap->getLumaAddr(); |
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| 1127 | Int iCurrStride = pcCurrDepthMap->getStride(); |
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| 1128 | TComCUMvField* aiCurrMvField[2] = { pcCU->getCUMvField( REF_PIC_LIST_0 ), pcCU->getCUMvField( REF_PIC_LIST_1 ) }; |
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| 1129 | Int aiCurrRefIdx [2] = { aiCurrMvField[0]->getRefIdx( uiAbsPartIdx ), aiCurrMvField[1]->getRefIdx( uiAbsPartIdx ) }; |
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| 1130 | Int iMinCurrListId = ( aiCurrRefIdx [0] < 0 ? 1 : 0 ); |
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| 1131 | Int iMaxCurrListId = ( aiCurrRefIdx [1] < 0 ? 0 : 1 ); |
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| 1132 | Int iCurrPUPosX; |
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| 1133 | Int iCurrPUPosY; |
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| 1134 | pcCurrDepthMap->getTopLeftSamplePos( pcCU->getAddr(), pcCU->getZorderIdxInCU() + uiAbsPartIdx, iCurrPUPosX, iCurrPUPosY ); |
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| 1135 | AOT( uiCurrViewId != m_uiCurrViewId ); |
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| 1136 | AOT( iMinCurrListId > iMaxCurrListId ); |
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| 1137 | AOT( aiCurrRefIdx[0] >= 0 && pcCU->getSlice()->getRefPic( REF_PIC_LIST_0, aiCurrRefIdx[0] )->getSPS()->getViewId() != uiCurrViewId ); |
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| 1138 | AOT( aiCurrRefIdx[1] >= 0 && pcCU->getSlice()->getRefPic( REF_PIC_LIST_1, aiCurrRefIdx[1] )->getSPS()->getViewId() != uiCurrViewId ); |
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| 1139 | |
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| 1140 | //===== determine parameters for current access unit and base view ===== |
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| 1141 | AOF( m_auiBaseIdList.size() ); |
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| 1142 | UInt uiBaseId = m_auiBaseIdList[ 0 ]; |
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| 1143 | TComPic* pcBasePic = m_pcAUPicAccess->getPic( uiBaseId ); |
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| 1144 | AOF( pcBasePic ); |
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| 1145 | TComPicYuv* pcBaseDepthMap = pcBasePic->getPredDepthMap(); |
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| 1146 | TComPicYuv* pcBaseRecPic = pcBasePic->getPicYuvRec (); |
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| 1147 | Pel* piBaseDepthMap = pcBaseDepthMap->getLumaAddr(); |
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| 1148 | Int iBaseStride = pcBaseDepthMap->getStride(); |
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| 1149 | |
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| 1150 | //===== initialize 4x4 block arrays ===== |
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| 1151 | for( Int i4x4BlkY = 0; i4x4BlkY < iNum4x4BlksY; i4x4BlkY++ ) |
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| 1152 | { |
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| 1153 | for( Int i4x4BlkX = 0; i4x4BlkX < iNum4x4BlksX; i4x4BlkX++ ) |
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| 1154 | { |
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| 1155 | m_aabDepthSet[ i4x4BlkY ][ i4x4BlkX ] = false; |
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| 1156 | m_aai4x4Depth[ i4x4BlkY ][ i4x4BlkX ] = PDM_UNDEFINED_DEPTH; |
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| 1157 | } |
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| 1158 | } |
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| 1159 | Int iNum4x4Set = 0; |
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| 1160 | |
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| 1161 | //===== determine depth based on 4x4 blocks ===== |
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| 1162 | for( Int i4x4BlkY = 0; i4x4BlkY < iNum4x4BlksY; i4x4BlkY++ ) |
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| 1163 | { |
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| 1164 | for( Int i4x4BlkX = 0; i4x4BlkX < iNum4x4BlksX; i4x4BlkX++ ) |
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| 1165 | { |
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| 1166 | // position parameters |
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| 1167 | Int iCurrBlkPosX = iCurrPUPosX + ( i4x4BlkX << 2 ); |
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| 1168 | Int iCurrBlkPosY = iCurrPUPosY + ( i4x4BlkY << 2 ); |
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| 1169 | Int iCurrSamplePosX = iCurrBlkPosX + 1; |
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| 1170 | Int iCurrSamplePosY = iCurrBlkPosY + 1; |
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| 1171 | Int iCurrPredDepth = piCurrDepthMap[ iCurrSamplePosY * iCurrStride + iCurrSamplePosX ]; |
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| 1172 | Int iCurrPredDisp = xGetDisparityFromVirtDepth( uiBaseId, iCurrPredDepth ); |
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| 1173 | Int iBaseSamplePosX = iCurrSamplePosX + ( ( iCurrPredDisp + 2 ) >> 2 ); |
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| 1174 | Int iBaseSamplePosY = iCurrSamplePosY; |
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| 1175 | iBaseSamplePosX = Clip3( 0, pcBaseDepthMap->getWidth () - 1, iBaseSamplePosX ); |
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| 1176 | iBaseSamplePosY = Clip3( 0, pcBaseDepthMap->getHeight() - 1, iBaseSamplePosY ); |
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| 1177 | |
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| 1178 | // check for occlusion |
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| 1179 | if( piBaseDepthMap[ iBaseSamplePosY * iBaseStride + iBaseSamplePosX ] != iCurrPredDepth ) |
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| 1180 | { |
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| 1181 | continue; |
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| 1182 | } |
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| 1183 | |
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| 1184 | // determine base motion data and check prediction mode |
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| 1185 | Int iBaseCUAddr; |
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| 1186 | Int iBaseAbsPartIdx; |
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| 1187 | pcBaseRecPic->getCUAddrAndPartIdx( iBaseSamplePosX, iBaseSamplePosY, iBaseCUAddr, iBaseAbsPartIdx ); |
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| 1188 | TComDataCU* pcBaseCU = pcBasePic->getCU( iBaseCUAddr ); |
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| 1189 | if( pcBaseCU->getPredictionMode( iBaseAbsPartIdx ) != MODE_INTER && pcBaseCU->getPredictionMode( iBaseAbsPartIdx ) != MODE_SKIP ) |
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| 1190 | { |
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| 1191 | continue; |
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| 1192 | } |
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| 1193 | |
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| 1194 | // check whether base was inter-view predicted |
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| 1195 | TComCUMvField* aiBaseMvField[2] = { pcBaseCU->getCUMvField( REF_PIC_LIST_0 ), pcBaseCU->getCUMvField( REF_PIC_LIST_1 ) }; |
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| 1196 | Int aiBaseRefIdx [2] = { aiBaseMvField[0]->getRefIdx( iBaseAbsPartIdx ), aiBaseMvField[1]->getRefIdx( iBaseAbsPartIdx ) }; |
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| 1197 | Bool abBaseIntView[2] = { aiBaseRefIdx[0] >= 0 && pcBaseCU->getSlice()->getRefPic( REF_PIC_LIST_0, aiBaseRefIdx[0] )->getSPS()->getViewId() != uiBaseId, |
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| 1198 | aiBaseRefIdx[1] >= 0 && pcBaseCU->getSlice()->getRefPic( REF_PIC_LIST_1, aiBaseRefIdx[1] )->getSPS()->getViewId() != uiBaseId }; |
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| 1199 | if( abBaseIntView[0] || abBaseIntView[1] ) |
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| 1200 | { // current depth is reliable |
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| 1201 | m_aai4x4Depth[i4x4BlkY][i4x4BlkX] = iCurrPredDepth; |
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| 1202 | m_aabDepthSet[i4x4BlkY][i4x4BlkX] = true; |
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| 1203 | iNum4x4Set++; |
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| 1204 | continue; |
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| 1205 | } |
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| 1206 | |
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| 1207 | // determine depth candidates using an approximate 4-point relationship (if appropriate) |
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| 1208 | std::vector<Int> aiDepthCand; |
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| 1209 | Int iMinBaseListId = ( aiBaseRefIdx [0] < 0 ? 1 : 0 ); |
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| 1210 | Int iMaxBaseListId = ( aiBaseRefIdx [1] < 0 ? 0 : 1 ); |
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| 1211 | AOT( iMinBaseListId > iMaxBaseListId ); |
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| 1212 | for( Int iCurrRefListId = iMinCurrListId; iCurrRefListId <= iMaxCurrListId; iCurrRefListId++ ) |
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| 1213 | { |
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| 1214 | RefPicList eCurrRefPicList = RefPicList( iCurrRefListId ); |
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| 1215 | Int iCurrRefPoc = pcCU->getSlice()->getRefPOC( eCurrRefPicList, aiCurrRefIdx[ iCurrRefListId ] ); |
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| 1216 | TComPic* pcCurrRefPic = pcCU->getSlice()->getRefPic( eCurrRefPicList, aiCurrRefIdx[ iCurrRefListId ] ); |
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| 1217 | TComPicYuv* pcCurrRefDMap = pcCurrRefPic->getPredDepthMap(); |
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| 1218 | Pel* piCurrRefDMap = pcCurrRefDMap->getLumaAddr(); |
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| 1219 | Int iCurrRefStride = pcCurrRefDMap->getStride(); |
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| 1220 | TComMv& rcCurrMv = aiCurrMvField[ iCurrRefListId ]->getMv( uiAbsPartIdx ); |
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| 1221 | Int iCurrRefSamplePosX = iCurrSamplePosX + ( ( rcCurrMv.getHor() + 2 ) >> 2 ); |
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| 1222 | Int iCurrRefSamplePosY = iCurrSamplePosY + ( ( rcCurrMv.getVer() + 2 ) >> 2 ); |
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| 1223 | Int iCurrRefSamplePosXC = Clip3( 0, pcCurrRefDMap->getWidth () - 1, iCurrRefSamplePosX ); |
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| 1224 | Int iCurrRefSamplePosYC = Clip3( 0, pcCurrRefDMap->getHeight() - 1, iCurrRefSamplePosY ); |
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| 1225 | Int iCurrRefDepth = piCurrRefDMap[ iCurrRefSamplePosYC * iCurrRefStride + iCurrRefSamplePosXC ]; |
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| 1226 | |
---|
| 1227 | for( Int iBaseRefListId = iMinBaseListId; iBaseRefListId <= iMaxBaseListId; iBaseRefListId++ ) |
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| 1228 | { |
---|
| 1229 | RefPicList eBaseRefPicList = RefPicList( iBaseRefListId ); |
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| 1230 | Int iBaseRefPoc = pcBaseCU->getSlice()->getRefPOC( eBaseRefPicList, aiBaseRefIdx[ iBaseRefListId ] ); |
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| 1231 | |
---|
| 1232 | if( iCurrRefPoc == iBaseRefPoc ) |
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| 1233 | { |
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| 1234 | // location and depth for path currView/currAU -> currView/refAU -> baseView/refAU |
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| 1235 | Int iCurrRefDisp = xGetDisparityFromVirtDepth( uiBaseId, iCurrRefDepth ); |
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| 1236 | Int iBaseRefSamplePosX = iCurrRefSamplePosX + ( ( iCurrRefDisp + 2 ) >> 2 ); |
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| 1237 | Int iBaseRefSamplePosY = iCurrRefSamplePosY; |
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| 1238 | TComPic* pcBaseRefPic = pcBaseCU->getSlice()->getRefPic( eBaseRefPicList, aiBaseRefIdx[ iBaseRefListId ] ); |
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| 1239 | TComPicYuv* pcBaseRefDMap = pcBaseRefPic->getPredDepthMap(); |
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| 1240 | Pel* piBaseRefDMap = pcBaseRefDMap->getLumaAddr(); |
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| 1241 | Int iBaseRefStride = pcBaseRefDMap->getStride(); |
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| 1242 | iBaseRefSamplePosX = Clip3( 0, pcBaseRefDMap->getWidth () - 1, iBaseRefSamplePosX ); |
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| 1243 | iBaseRefSamplePosY = Clip3( 0, pcBaseRefDMap->getHeight() - 1, iBaseRefSamplePosY ); |
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| 1244 | Int iBaseRefDepth = piBaseRefDMap[ iBaseRefSamplePosY * iBaseRefStride + iBaseRefSamplePosX ]; |
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| 1245 | |
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| 1246 | // location and depth for path currView/currAU ->baseView/currAU -> baseView/refAU |
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| 1247 | TComMv& rcBaseMv = aiBaseMvField[ iBaseRefListId ]->getMv( iBaseAbsPartIdx ); |
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| 1248 | Int iAbsDeltaMvY = ( rcBaseMv.getAbsVer() > rcCurrMv.getVer() ? rcBaseMv.getAbsVer() - rcCurrMv.getVer() : rcCurrMv.getVer() - rcBaseMv.getAbsVer() ); |
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| 1249 | |
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| 1250 | // check reliability (occlusion in reference access unit / vertical motion vector difference) |
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| 1251 | if( iBaseRefDepth != iCurrRefDepth || iAbsDeltaMvY > iMaxAbsDeltaMvY ) |
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| 1252 | { |
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| 1253 | continue; |
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| 1254 | } |
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| 1255 | |
---|
| 1256 | // determine new depth |
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| 1257 | Int iCurrCandDisp = iCurrRefDisp + rcCurrMv.getHor() - rcBaseMv.getHor(); |
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| 1258 | Int iCurrCandDepth = xGetVirtDepthFromDisparity( uiBaseId, iCurrCandDisp ); |
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| 1259 | aiDepthCand.push_back( iCurrCandDepth ); |
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| 1260 | } // iCurrRefPoc == iBaseRefPoc |
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| 1261 | } // iBaseRefListId |
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| 1262 | } // iCurrRefListId |
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| 1263 | |
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| 1264 | // set depth for 4x4 block |
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| 1265 | if( aiDepthCand.size() ) |
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| 1266 | { // get depth with minimum change (probably most reliable) |
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| 1267 | Int iMinAbsDepthChange = (1<<30); |
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| 1268 | Int iDepthForMinChange = (1<<30); |
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| 1269 | for( UInt uiCandId = 0; uiCandId < (UInt)aiDepthCand.size(); uiCandId++ ) |
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| 1270 | { |
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| 1271 | Int iAbsDeltaDepth = ( aiDepthCand[uiCandId] > iCurrPredDepth ? aiDepthCand[uiCandId] > iCurrPredDepth : iCurrPredDepth - aiDepthCand[uiCandId] ); |
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| 1272 | if( iAbsDeltaDepth < iMinAbsDepthChange ) |
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| 1273 | { |
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| 1274 | iMinAbsDepthChange = iAbsDeltaDepth; |
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| 1275 | iDepthForMinChange = aiDepthCand[uiCandId]; |
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| 1276 | } |
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| 1277 | } |
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| 1278 | m_aai4x4Depth[i4x4BlkY][i4x4BlkX] = Min( Max( 0, iDepthForMinChange ), PDM_MAX_ABS_VIRT_DEPTH ); |
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| 1279 | m_aabDepthSet[i4x4BlkY][i4x4BlkX] = true; |
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| 1280 | iNum4x4Set++; |
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| 1281 | } |
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| 1282 | } // i4x4BlkX |
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| 1283 | } // i4x4BlkY |
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| 1284 | |
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| 1285 | //===== fall back (take original depth for 4x4 blocks) ==== |
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| 1286 | if( iNum4x4Set < Max( 1, ( iNum4x4BlksY * iNum4x4BlksX ) >> 2 ) ) |
---|
| 1287 | { |
---|
| 1288 | iNum4x4Set = 0; |
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| 1289 | for( Int i4x4BlkY = 0; i4x4BlkY < iNum4x4BlksY; i4x4BlkY++ ) |
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| 1290 | { |
---|
| 1291 | for( Int i4x4BlkX = 0; i4x4BlkX < iNum4x4BlksX; i4x4BlkX++ ) |
---|
| 1292 | { |
---|
| 1293 | Int iCurrSamplePosX = iCurrPUPosX + ( i4x4BlkX << 2 ) + 1; |
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| 1294 | Int iCurrSamplePosY = iCurrPUPosY + ( i4x4BlkY << 2 ) + 1; |
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| 1295 | m_aai4x4Depth[i4x4BlkY][i4x4BlkX] = piCurrDepthMap[ iCurrSamplePosY * iCurrStride + iCurrSamplePosX ]; |
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| 1296 | m_aabDepthSet[i4x4BlkY][i4x4BlkX] = true; |
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| 1297 | iNum4x4Set++; |
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| 1298 | } |
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| 1299 | } |
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| 1300 | } |
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| 1301 | |
---|
| 1302 | #if PDM_ONE_DEPTH_PER_PU |
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| 1303 | //===== set average in 4x4 depth array ===== |
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| 1304 | Int iSum = 0; |
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| 1305 | for( Int i4x4BlkY = 0; i4x4BlkY < iNum4x4BlksY; i4x4BlkY++ ) |
---|
| 1306 | { |
---|
| 1307 | for( Int i4x4BlkX = 0; i4x4BlkX < iNum4x4BlksX; i4x4BlkX++ ) |
---|
| 1308 | { |
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| 1309 | if( m_aabDepthSet[ i4x4BlkY ][ i4x4BlkX ] ) |
---|
| 1310 | { |
---|
| 1311 | iSum += m_aai4x4Depth[ i4x4BlkY ][ i4x4BlkX ]; |
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| 1312 | } |
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| 1313 | } |
---|
| 1314 | } |
---|
| 1315 | Int iDepth = ( iSum + ( iNum4x4Set >> 1 ) ) / iNum4x4Set; |
---|
| 1316 | iNum4x4Set = iNum4x4BlksY * iNum4x4BlksX; |
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| 1317 | for( Int i4x4BlkY = 0; i4x4BlkY < iNum4x4BlksY; i4x4BlkY++ ) |
---|
| 1318 | { |
---|
| 1319 | for( Int i4x4BlkX = 0; i4x4BlkX < iNum4x4BlksX; i4x4BlkX++ ) |
---|
| 1320 | { |
---|
| 1321 | m_aai4x4Depth[ i4x4BlkY ][ i4x4BlkX ] = iDepth; |
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| 1322 | m_aabDepthSet[ i4x4BlkY ][ i4x4BlkX ] = true; |
---|
| 1323 | } |
---|
| 1324 | } |
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| 1325 | #endif |
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| 1326 | |
---|
| 1327 | //===== complete depth arrays ===== |
---|
| 1328 | while( iNum4x4BlksY * iNum4x4BlksX - iNum4x4Set ) |
---|
| 1329 | { |
---|
| 1330 | for( Int i4x4BlkY = 0; i4x4BlkY < iNum4x4BlksY; i4x4BlkY++ ) |
---|
| 1331 | { |
---|
| 1332 | for( Int i4x4BlkX = 0; i4x4BlkX < iNum4x4BlksX; i4x4BlkX++ ) |
---|
| 1333 | { |
---|
| 1334 | if( !m_aabDepthSet[ i4x4BlkY ][ i4x4BlkX ] ) |
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| 1335 | { // could also use minimum of neighbours (occlusions) |
---|
| 1336 | Int iNumNeighbours = 0; |
---|
| 1337 | Int iSumNeighbours = 0; |
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| 1338 | if( i4x4BlkY > 0 && m_aabDepthSet[ i4x4BlkY-1 ][ i4x4BlkX ] ) { iSumNeighbours += m_aai4x4Depth[ i4x4BlkY-1 ][ i4x4BlkX ]; iNumNeighbours++; } |
---|
| 1339 | if( i4x4BlkY < iNum4x4BlksY-1 && m_aabDepthSet[ i4x4BlkY+1 ][ i4x4BlkX ] ) { iSumNeighbours += m_aai4x4Depth[ i4x4BlkY+1 ][ i4x4BlkX ]; iNumNeighbours++; } |
---|
| 1340 | if( i4x4BlkX > 0 && m_aabDepthSet[ i4x4BlkY ][ i4x4BlkX-1 ] ) { iSumNeighbours += m_aai4x4Depth[ i4x4BlkY ][ i4x4BlkX-1 ]; iNumNeighbours++; } |
---|
| 1341 | if( i4x4BlkX < iNum4x4BlksX-1 && m_aabDepthSet[ i4x4BlkY ][ i4x4BlkX+1 ] ) { iSumNeighbours += m_aai4x4Depth[ i4x4BlkY ][ i4x4BlkX+1 ]; iNumNeighbours++; } |
---|
| 1342 | if( iNumNeighbours ) |
---|
| 1343 | { |
---|
| 1344 | m_aai4x4Depth[ i4x4BlkY ][ i4x4BlkX ] = ( iSumNeighbours + ( iNumNeighbours >> 1 ) ) / iNumNeighbours; |
---|
| 1345 | m_aabDepthSet[ i4x4BlkY ][ i4x4BlkX ] = true; |
---|
| 1346 | iNum4x4Set++; |
---|
| 1347 | } |
---|
| 1348 | } |
---|
| 1349 | } |
---|
| 1350 | } |
---|
| 1351 | } |
---|
| 1352 | |
---|
| 1353 | //===== set depth values ===== |
---|
| 1354 | Pel* piDepthMap = pcCUDepthMap->getLumaAddr( uiAbsPartIdx ); |
---|
| 1355 | Int iCUStride = pcCUDepthMap->getStride (); |
---|
| 1356 | for( Int iRow = 0; iRow < iHeight; iRow++, piDepthMap += iCUStride ) |
---|
| 1357 | { |
---|
| 1358 | for( Int iCol = 0; iCol < iWidth; iCol++ ) |
---|
| 1359 | { |
---|
| 1360 | piDepthMap[ iCol ] = m_aai4x4Depth[ iRow >> 2 ][ iCol >> 2 ]; |
---|
| 1361 | } |
---|
| 1362 | } |
---|
| 1363 | } |
---|
| 1364 | |
---|
| 1365 | |
---|
| 1366 | Void |
---|
| 1367 | TComDepthMapGenerator::xInterPUDepthMapPrediction( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ) |
---|
| 1368 | { |
---|
| 1369 | m_pcPrediction->motionCompensation( pcCU, pcCUDepthMap, REF_PIC_LIST_X, (Int)uiPartIdx, true ); |
---|
| 1370 | } |
---|
| 1371 | |
---|
| 1372 | |
---|
| 1373 | Bool |
---|
| 1374 | TComDepthMapGenerator::xGetPredDepth( TComDataCU* pcCU, UInt uiPartIdx, Int& riPrdDepth, Int* piPosX, Int* piPosY ) |
---|
| 1375 | { |
---|
| 1376 | AOF ( m_bCreated && m_bInit ); |
---|
| 1377 | AOF ( pcCU ); |
---|
| 1378 | ROFRS( m_bPDMAvailable, false ); |
---|
| 1379 | |
---|
| 1380 | TComSlice* pcSlice = pcCU->getSlice (); |
---|
| 1381 | TComPic* pcPic = pcCU->getPic (); |
---|
| 1382 | TComSPS* pcSPS = pcSlice->getSPS(); |
---|
| 1383 | AOF ( pcPic->getPredDepthMap() ); |
---|
| 1384 | AOF ( pcSPS->getViewId() == m_uiCurrViewId ); |
---|
| 1385 | |
---|
| 1386 | //===== get predicted depth and disprity for middle position of current PU ===== |
---|
| 1387 | UInt uiPartAddr; |
---|
| 1388 | Int iWidth; |
---|
| 1389 | Int iHeight; |
---|
| 1390 | pcCU->getPartIndexAndSize( uiPartIdx, uiPartAddr, iWidth, iHeight ); |
---|
| 1391 | TComPicYuv* pcPredDepthMap = pcPic->getPredDepthMap(); |
---|
| 1392 | Pel* piPredDepthMap = pcPredDepthMap->getLumaAddr ( 0 ); |
---|
| 1393 | Int iCurrStride = pcPredDepthMap->getStride (); |
---|
| 1394 | Int iCurrPosX; |
---|
| 1395 | Int iCurrPosY; |
---|
| 1396 | pcPredDepthMap->getTopLeftSamplePos( pcCU->getAddr(), pcCU->getZorderIdxInCU() + uiPartAddr, iCurrPosX, iCurrPosY ); |
---|
| 1397 | iCurrPosX += ( iWidth - 1 ) >> 1; |
---|
| 1398 | iCurrPosY += ( iHeight - 1 ) >> 1; |
---|
| 1399 | riPrdDepth = piPredDepthMap[ iCurrPosX + iCurrPosY * iCurrStride ]; |
---|
| 1400 | if( piPosX ) |
---|
| 1401 | { |
---|
| 1402 | *piPosX = iCurrPosX; |
---|
| 1403 | } |
---|
| 1404 | if( piPosY ) |
---|
| 1405 | { |
---|
| 1406 | *piPosY = iCurrPosY; |
---|
| 1407 | } |
---|
| 1408 | return true; |
---|
| 1409 | } |
---|
| 1410 | |
---|