[5] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2011, ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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[2] | 33 | |
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| 34 | |
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[5] | 35 | |
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[2] | 36 | /** \file TComDepthMapGenerator.h |
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| 37 | \brief depth map generator class (header) |
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| 38 | */ |
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| 39 | |
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| 40 | |
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| 41 | #ifndef __TCOM_DEPTH_MAP_GENERATOR__ |
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| 42 | #define __TCOM_DEPTH_MAP_GENERATOR__ |
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| 43 | |
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| 44 | |
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| 45 | #include "CommonDef.h" |
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| 46 | #include "TComPic.h" |
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| 47 | #include "TComPrediction.h" |
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| 48 | #include "TComSlice.h" |
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| 49 | |
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| 50 | |
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[5] | 51 | #if DEPTH_MAP_GENERATION |
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[2] | 52 | |
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[5] | 53 | |
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[2] | 54 | class TComSPSAccess // would be better to have a real SPS buffer |
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| 55 | { |
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| 56 | public: |
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| 57 | TComSPSAccess () { clear(); } |
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| 58 | ~TComSPSAccess() {} |
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| 59 | |
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| 60 | Void clear () { ::memset( m_aacActiveSPS, 0x00, sizeof( m_aacActiveSPS ) ); } |
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| 61 | Void addSPS ( TComSPS* pcSPS ) { m_aacActiveSPS[ pcSPS->isDepth() ? 1 : 0 ][ pcSPS->getViewId() ] = pcSPS; } |
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| 62 | TComSPS* getSPS ( UInt uiViewId, |
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| 63 | Bool bIsDepth = false ) { return m_aacActiveSPS[ bIsDepth ? 1 : 0 ][ uiViewId ]; } |
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| 64 | |
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| 65 | UInt getPdm () { if( m_aacActiveSPS[0][1] ) { return m_aacActiveSPS[0][1]->getPredDepthMapGeneration(); } return 0; } |
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[5] | 66 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
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[2] | 67 | UInt getResPrd () { if( m_aacActiveSPS[0][1] ) { return m_aacActiveSPS[0][1]->getMultiviewResPredMode (); } return 0; } |
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[5] | 68 | #endif |
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[2] | 69 | |
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| 70 | private: |
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| 71 | TComSPS* m_aacActiveSPS[ 2 ][ MAX_NUMBER_VIEWS ]; |
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| 72 | }; |
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| 73 | |
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| 74 | |
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| 75 | |
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| 76 | class TComAUPicAccess // would be better to have a real decoded picture buffer |
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| 77 | { |
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| 78 | public: |
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| 79 | TComAUPicAccess () : m_iLastPoc( 0 ), m_uiMaxViewId( 0 ) { clear(); } |
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| 80 | ~TComAUPicAccess() {} |
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| 81 | |
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| 82 | Void clear () { ::memset( m_aacCurrAUPics, 0x00, sizeof( m_aacCurrAUPics ) ); } |
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| 83 | Void addPic ( TComPic* pcPic ) { if( m_iLastPoc != pcPic->getPOC() ) |
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| 84 | { |
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| 85 | clear(); |
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| 86 | m_iLastPoc = pcPic->getPOC(); |
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| 87 | } |
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| 88 | m_aacCurrAUPics[ pcPic->getSPS()->isDepth() ? 1 : 0 ][ pcPic->getSPS()->getViewId() ] = pcPic; |
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| 89 | if( pcPic->getSPS()->getViewId() > m_uiMaxViewId ) |
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| 90 | { |
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| 91 | m_uiMaxViewId = pcPic->getSPS()->getViewId(); |
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| 92 | } |
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| 93 | } |
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| 94 | TComPic* getPic ( UInt uiViewId, |
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| 95 | Bool bIsDepth = false ) { return m_aacCurrAUPics[ bIsDepth ? 1 : 0 ][ uiViewId ]; } |
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| 96 | UInt getMaxVId () { return m_uiMaxViewId; } |
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| 97 | |
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| 98 | private: |
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| 99 | Int m_iLastPoc; |
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| 100 | UInt m_uiMaxViewId; |
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| 101 | TComPic* m_aacCurrAUPics[ 2 ][ MAX_NUMBER_VIEWS ]; |
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| 102 | }; |
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| 103 | |
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| 104 | |
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| 105 | |
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| 106 | class TComDepthMapGenerator |
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| 107 | { |
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| 108 | public: |
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| 109 | TComDepthMapGenerator (); |
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| 110 | ~TComDepthMapGenerator(); |
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| 111 | |
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[21] | 112 | Void create ( Bool bDecoder, UInt uiPicWidth, UInt uiPicHeight, UInt uiMaxCUDepth, UInt uiMaxCUWidth, UInt uiMaxCUHeight, UInt uiOrgBitDepth, UInt uiSubSampExpX, UInt uiSubSampExpY ); |
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[2] | 113 | Void destroy (); |
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| 114 | |
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| 115 | Void init ( TComPrediction* pcPrediction, TComSPSAccess* pcSPSAccess, TComAUPicAccess* pcAUPicAccess ); |
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| 116 | Void uninit (); |
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| 117 | |
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| 118 | Void initViewComponent ( TComPic* pcPic ); |
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| 119 | Bool predictDepthMap ( TComPic* pcPic ); |
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| 120 | Void updateDepthMap ( TComPic* pcPic ); |
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| 121 | Void dumpDepthMap ( TComPic* pcPic, char* pFilenameBase ); |
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| 122 | |
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[5] | 123 | #if HHI_INTER_VIEW_MOTION_PRED |
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[2] | 124 | Void covertOrgDepthMap ( TComPic* pcPic ); |
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[5] | 125 | #endif |
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[2] | 126 | |
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| 127 | UInt getBaseViewId ( UInt uiIdx ) { AOF( uiIdx < m_auiBaseIdList.size() ); return m_auiBaseIdList[uiIdx]; } |
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[21] | 128 | UInt getSubSampExpX () { return m_uiSubSampExpX; } |
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| 129 | UInt getSubSampExpY () { return m_uiSubSampExpY; } |
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[2] | 130 | Int getDisparity ( TComPic* pcPic, Int iPosX, Int iPosY, UInt uiRefViewId ); |
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[5] | 131 | #if HHI_INTER_VIEW_MOTION_PRED |
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[2] | 132 | Int getPdmMergeCandidate ( TComDataCU* pcCU, UInt uiPartIdx, Int* paiPdmRefIdx, TComMv* pacPdmMv ); |
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| 133 | Bool getPdmMvPred ( TComDataCU* pcCU, UInt uiPartIdx, RefPicList eRefPicList, Int iRefIdx, TComMv& rcMv, Bool bMerge ); |
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| 134 | Bool getIViewOrgDepthMvPred( TComDataCU* pcCU, UInt uiPartIdx, RefPicList eRefPicList, Int iRefIdx, TComMv& rcMv ); |
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[5] | 135 | #endif |
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[2] | 136 | |
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| 137 | TComPrediction* getPrediction () { return m_pcPrediction; } |
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| 138 | TComSPSAccess* getSPSAccess () { return m_pcSPSAccess; } |
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| 139 | TComAUPicAccess* getAUPicAccess() { return m_pcAUPicAccess; } |
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| 140 | |
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| 141 | private: |
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| 142 | // picture operations |
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| 143 | Bool xConvertDepthMapCurr2Ref ( TComPic* pcRef, TComPic* pcCur ); |
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| 144 | Bool xConvertDepthMapRef2Curr ( TComPic* pcCur, TComPic* pcRef ); |
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| 145 | Bool xPredictDepthMap ( TComPic* pcPic ); |
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| 146 | Bool xFillDepthMapHoles ( TComPic* pcPic ); |
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| 147 | Void xClearDepthMap ( TComPic* pcPic, Int iVal = PDM_UNDEFINED_DEPTH ); |
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| 148 | Void xSetChroma ( TComPicYuv* pcPic, Int iVal ); |
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| 149 | |
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| 150 | // CU operations |
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| 151 | Void xPredictCUDepthMap ( TComDataCU* pcCU, UInt uiDepth, UInt uiAbsPartIdx ); // CU depth map prediction |
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| 152 | Void xIntraPredictCUDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap ); // CU intra prediction |
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| 153 | Void xInterPredictCUDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap ); // CU inter prediction |
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| 154 | |
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| 155 | // PU and block operations |
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| 156 | Void xIntraPredictBlkDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiAbsPartIdx, UInt uiTrDepth ); // block intra prediction |
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| 157 | Void xInterPredictPUDepthMap ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU inter prediction/update |
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| 158 | Void xIViewPUDepthMapUpdate ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU interview update |
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| 159 | Void xInterPUDepthMapUpdate ( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU inter update |
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| 160 | Void xInterPUDepthMapPrediction( TComDataCU* pcCU, TComYuv* pcCUDepthMap, UInt uiPartIdx ); // PU inter prediction |
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| 161 | Bool xGetPredDepth ( TComDataCU* pcCU, UInt uiPartIdx, Int& riPrdDepth, Int* piPosX = 0, Int* piPosY = 0 ); |
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| 162 | |
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| 163 | // conversion functions |
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| 164 | Int xGetVirtDepthFromDisparity( UInt uiBaseId, Int iDisparity ) |
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| 165 | { |
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| 166 | AOF( uiBaseId < m_uiCurrViewId ); |
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| 167 | Int* pPar = m_aaiConvParsDisparity2VirtDepth[ uiBaseId ]; |
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| 168 | Int iRes = ( pPar[ 0 ] * iDisparity + pPar[ 1 ] ) >> pPar[ 2 ]; |
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| 169 | return iRes; |
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| 170 | } |
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| 171 | Int xGetDisparityFromVirtDepth( UInt uiBaseId, Int iVirtDepth ) |
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| 172 | { |
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| 173 | AOF( uiBaseId < m_uiCurrViewId ); |
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| 174 | Int* pPar = m_aaiConvParsVirtDepth2Disparity[ uiBaseId ]; |
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| 175 | Int iRes = ( pPar[ 0 ] * iVirtDepth + pPar[ 1 ] ) >> pPar[ 2 ]; |
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| 176 | return iRes; |
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| 177 | } |
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| 178 | Int xGetVirtDepthFromOrigDepth( UInt uiViewId, Int iOrigDepth ) |
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| 179 | { |
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| 180 | AOF( uiViewId <= m_uiCurrViewId ); |
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| 181 | Int* pPar = m_aaiConvParsOrigDepth2VirtDepth[ uiViewId ]; |
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| 182 | Int iRes = ( pPar[ 0 ] * iOrigDepth + pPar[ 1 ] ) >> pPar[ 2 ]; |
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| 183 | return iRes; |
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| 184 | } |
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| 185 | Int xGetOrigDepthFromVirtDepth( UInt uiViewId, Int iVirtDepth ) |
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| 186 | { |
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| 187 | AOF( uiViewId <= m_uiCurrViewId ); |
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| 188 | Int* pPar = m_aaiConvParsVirtDepth2OrigDepth[ uiViewId ]; |
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| 189 | Int iRes = ( pPar[ 0 ] * iVirtDepth + pPar[ 1 ] ) >> pPar[ 2 ]; |
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| 190 | return iRes; |
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| 191 | } |
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| 192 | |
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| 193 | |
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| 194 | private: |
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| 195 | // general parameters |
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| 196 | Bool m_bCreated; |
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| 197 | Bool m_bInit; |
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| 198 | Bool m_bDecoder; |
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| 199 | TComPrediction* m_pcPrediction; |
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| 200 | TComSPSAccess* m_pcSPSAccess; |
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| 201 | TComAUPicAccess* m_pcAUPicAccess; |
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| 202 | UInt m_uiMaxDepth; |
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| 203 | UInt m_uiOrgDepthBitDepth; |
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[21] | 204 | UInt m_uiSubSampExpX; |
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| 205 | UInt m_uiSubSampExpY; |
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[2] | 206 | TComYuv** m_ppcYuv; |
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| 207 | TComDataCU** m_ppcCU; |
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| 208 | TComPicYuv m_cTmpPic; |
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| 209 | |
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| 210 | // conversion parameters |
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| 211 | UInt m_uiCurrViewId; |
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| 212 | Bool m_bPDMAvailable; |
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| 213 | std::vector<UInt> m_auiBaseIdList; |
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| 214 | Int m_aaiConvParsDisparity2VirtDepth[ MAX_NUMBER_VIEWS ][ 3 ]; // disparity ==> virtual depth (0:scale, 1:add, 2:shift) |
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| 215 | Int m_aaiConvParsVirtDepth2Disparity[ MAX_NUMBER_VIEWS ][ 3 ]; // virtual depth ==> disparity (0:scale, 1:add, 2:shift) |
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| 216 | Int m_aaiConvParsOrigDepth2VirtDepth[ MAX_NUMBER_VIEWS ][ 3 ]; // original depth ==> virtual depth (0:scale, 1:add, 2:shift) |
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| 217 | Int m_aaiConvParsVirtDepth2OrigDepth[ MAX_NUMBER_VIEWS ][ 3 ]; // virtual depth ==> original depth (0:scale, 1:add, 2:shift) |
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| 218 | |
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| 219 | // temporary arrays |
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| 220 | Bool m_aabDepthSet[ MAX_CU_SIZE >> 2 ][ MAX_CU_SIZE >> 2 ]; |
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| 221 | Int m_aai4x4Depth[ MAX_CU_SIZE >> 2 ][ MAX_CU_SIZE >> 2 ]; |
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| 222 | }; |
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| 223 | |
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[5] | 224 | |
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| 225 | #endif // DEPTH_MAP_GENERATION |
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| 226 | |
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[2] | 227 | #endif // __TCOM_DEPTH_MAP_GENERATOR__ |
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| 228 | |
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| 229 | |
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| 230 | |
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| 231 | |
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