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1 /* The copyright in this software is being made available under the BSD
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2 * License, included below. This software may be subject to other third party
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3 * and contributor rights, including patent rights, and no such rights are
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4 * granted under this license.
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5 *
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6 * Copyright (c) 2010-2014, ITU/ISO/IEC
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7 * All rights reserved.
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8 *
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9 * Redistribution and use in source and binary forms, with or without
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10 * modification, are permitted provided that the following conditions are met:
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11 *
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12 * * Redistributions of source code must retain the above copyright notice,
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13 * this list of conditions and the following disclaimer.
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14 * * Redistributions in binary form must reproduce the above copyright notice,
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15 * this list of conditions and the following disclaimer in the documentation
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16 * and/or other materials provided with the distribution.
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17 * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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18 * be used to endorse or promote products derived from this software without
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19 * specific prior written permission.
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20 *
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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31 * THE POSSIBILITY OF SUCH DAMAGE.
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32 */
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33
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34 /** \file TComPrediction.h
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35 \brief prediction class (header)
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36 */
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37
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38 #ifndef __TCOMPREDICTION__
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39 #define __TCOMPREDICTION__
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40
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41
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42 // Include files
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43 #include "TComPic.h"
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44 #include "TComMotionInfo.h"
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45 #include "TComPattern.h"
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46 #include "TComTrQuant.h"
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47 #include "TComInterpolationFilter.h"
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48 #include "TComWeightPrediction.h"
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49
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50 class TComTU; // forward declaration
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51
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52 //! \ingroup TLibCommon
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53 //! \{
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54
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55 // ====================================================================================================================
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56 // Class definition
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57 // ====================================================================================================================
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58
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59 /// prediction class
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60 typedef enum PRED_BUF_E
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61 {
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62 PRED_BUF_UNFILTERED=0,
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63 PRED_BUF_FILTERED=1,
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64 NUM_PRED_BUF=2
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65 } PRED_BUF;
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66
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67 static const UInt MAX_INTRA_FILTER_DEPTHS=5;
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68
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69 class TComPrediction : public TComWeightPrediction
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70 {
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71 private:
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72 static const UChar m_aucIntraFilter[MAX_NUM_CHANNEL_TYPE][MAX_INTRA_FILTER_DEPTHS];
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73
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74 protected:
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75 Pel* m_piYuvExt[MAX_NUM_COMPONENT][NUM_PRED_BUF];
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76 Int m_iYuvExtSize;
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77
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78 TComYuv m_acYuvPred[NUM_REF_PIC_LIST_01];
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79 TComYuv m_cYuvPredTemp;
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80 TComYuv m_filteredBlock[LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS][LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS];
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81 TComYuv m_filteredBlockTmp[LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS];
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82
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83 TComInterpolationFilter m_if;
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84
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85 Pel* m_pLumaRecBuffer; ///< array for downsampled reconstructed luma sample
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86 Int m_iLumaRecStride; ///< stride of #m_pLumaRecBuffer array
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87
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88 Void xPredIntraAng ( Int bitDepth, const Pel* pSrc, Int srcStride, Pel* pDst, Int dstStride, UInt width, UInt height, ChannelType channelType, ChromaFormat format, UInt dirMode, Bool blkAboveAvailable, Bool blkLeftAvailable, const Bool bEnableEdgeFilters );
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89 Void xPredIntraPlanar ( const Pel* pSrc, Int srcStride, Pel* rpDst, Int dstStride, UInt width, UInt height, ChannelType channelType, ChromaFormat format );
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90
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91 // motion compensation functions
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92 Void xPredInterUni ( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv* pcYuvPred, Bool bi=false );
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93 Void xPredInterBi ( TComDataCU* pcCU, UInt uiPartAddr, Int iWidth, Int iHeight, TComYuv* pcYuvPred );
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94 Void xPredInterBlk(const ComponentID compID, TComDataCU *cu, TComPicYuv *refPic, UInt partAddr, TComMv *mv, Int width, Int height, TComYuv *dstPic, Bool bi );
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95 Void xWeightedAverage ( TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, Int iRefIdx0, Int iRefIdx1, UInt uiPartAddr, Int iWidth, Int iHeight, TComYuv* pcYuvDst );
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96
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97 Void xGetLLSPrediction ( const Pel* pSrc0, Int iSrcStride, Pel* pDst0, Int iDstStride, UInt uiWidth, UInt uiHeight, UInt uiExt0, const ChromaFormat chFmt DEBUG_STRING_FN_DECLARE(sDebug) );
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98
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99 Void xDCPredFiltering( const Pel* pSrc, Int iSrcStride, Pel* pDst, Int iDstStride, Int iWidth, Int iHeight, ChannelType channelType );
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100 Bool xCheckIdenticalMotion ( TComDataCU* pcCU, UInt PartAddr);
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101 Void destroy();
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102
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103 public:
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104 TComPrediction();
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105 virtual ~TComPrediction();
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106
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107 Void initTempBuff(ChromaFormat chromaFormatIDC);
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108
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109 ChromaFormat getChromaFormat() const { return m_cYuvPredTemp.getChromaFormat(); }
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110
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111 // inter
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112 Void motionCompensation ( TComDataCU* pcCU, TComYuv* pcYuvPred, RefPicList eRefPicList = REF_PIC_LIST_X, Int iPartIdx = -1 );
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113
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114 // motion vector prediction
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115 Void getMvPredAMVP ( TComDataCU* pcCU, UInt uiPartIdx, UInt uiPartAddr, RefPicList eRefPicList, TComMv& rcMvPred );
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116
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117 // Angular Intra
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118 Void predIntraAng ( const ComponentID compID, UInt uiDirMode, Pel *piOrg /* Will be null for decoding */, UInt uiOrgStride, Pel* piPred, UInt uiStride, TComTU &rTu, Bool bAbove, Bool bLeft, const Bool bUseFilteredPredSamples, const Bool bUseLosslessDPCM = false );
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119
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120 Pel predIntraGetPredValDC ( const Pel* pSrc, Int iSrcStride, UInt iWidth, UInt iHeight, ChannelType channelType, ChromaFormat format, Bool bAbove, Bool bLeft );
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121
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122 Pel* getPredictorPtr ( const ComponentID compID, const Bool bUseFilteredPredictions )
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123 {
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124 return m_piYuvExt[compID][bUseFilteredPredictions?PRED_BUF_FILTERED:PRED_BUF_UNFILTERED];
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125 }
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126
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127 // This function is actually still in TComPattern.cpp
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128 /// set parameters from CU data for accessing ADI data
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129 Void initAdiPatternChType ( TComTU &rTu,
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130 Bool& bAbove,
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131 Bool& bLeft,
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132 const ComponentID compID, const Bool bFilterRefSamples
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133 DEBUG_STRING_FN_DECLARE(sDebug)
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134 );
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135
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136 static Bool filteringIntraReferenceSamples(const ComponentID compID, UInt uiDirMode, UInt uiTuChWidth, UInt uiTuChHeight, const ChromaFormat chFmt, const Bool intraReferenceSmoothingDisabled);
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137
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138 static Bool UseDPCMForFirstPassIntraEstimation(TComTU &rTu, const UInt uiDirMode);
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139 };
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140
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141 //! \}
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142
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143 #endif // __TCOMPREDICTION__
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