1 | |
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2 | |
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3 | /** \file TEncAdaptiveLoopFilter.h |
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4 | \brief estimation part of adaptive loop filter class (header) |
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5 | */ |
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6 | |
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7 | #ifndef __TENCADAPTIVELOOPFILTER__ |
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8 | #define __TENCADAPTIVELOOPFILTER__ |
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9 | |
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10 | #include "../TLibCommon/TComAdaptiveLoopFilter.h" |
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11 | #include "../TLibCommon/TComPic.h" |
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12 | |
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13 | #include "TEncEntropy.h" |
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14 | #include "TEncSbac.h" |
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15 | #include "../TLibCommon/TComBitCounter.h" |
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16 | |
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17 | // ==================================================================================================================== |
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18 | // Class definition |
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19 | // ==================================================================================================================== |
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20 | #if MTK_SAO |
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21 | |
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22 | class TEncSampleAdaptiveOffset : public TComSampleAdaptiveOffset |
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23 | { |
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24 | private: |
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25 | Double m_dLambdaLuma; |
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26 | Double m_dLambdaChroma; |
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27 | |
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28 | TEncEntropy* m_pcEntropyCoder; |
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29 | TEncSbac*** m_pppcRDSbacCoder; |
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30 | TEncSbac* m_pcRDGoOnSbacCoder; |
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31 | |
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32 | Int64 ***m_iCount ; //[MAX_NUM_QAO_PART][MAX_NUM_QAO_TYPE][MAX_NUM_QAO_CLASS]; |
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33 | Int64 ***m_iOffset; //[MAX_NUM_QAO_PART][MAX_NUM_QAO_TYPE][MAX_NUM_QAO_CLASS]; |
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34 | Int64 ***m_iOffsetOrg ; //[MAX_NUM_QAO_PART][MAX_NUM_QAO_TYPE]; |
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35 | Int64 **m_iRate ; //[MAX_NUM_QAO_PART][MAX_NUM_QAO_TYPE]; |
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36 | Int64 **m_iDist ; //[MAX_NUM_QAO_PART][MAX_NUM_QAO_TYPE]; |
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37 | Double **m_dCost ; //[MAX_NUM_QAO_PART][MAX_NUM_QAO_TYPE]; |
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38 | Double *m_dCostPartBest ;//[MAX_NUM_QAO_PART]; |
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39 | Int64 *m_iDistOrg; //[MAX_NUM_QAO_PART]; |
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40 | Int *m_iTypePartBest ;//[MAX_NUM_QAO_PART]; |
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41 | |
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42 | Bool m_bUseSBACRD; |
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43 | |
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44 | public: |
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45 | Void startSaoEnc( TComPic* pcPic, TEncEntropy* pcEntropyCoder, TEncSbac*** pppcRDSbacCoder, TEncSbac* pcRDGoOnSbacCoder); |
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46 | Void endSaoEnc(); |
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47 | Void SAOProcess(Double dLambda); |
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48 | Void xQuadTreeDecisionFunc(Int iPartIdx, TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, Double &dCostFinal); |
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49 | Void xQAOOnePart(SAOQTPart* pQAOOnePart, Int iPartIdx); |
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50 | Void xPartTreeDisable(Int iPartIdx); |
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51 | Void xGetQAOStats(TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest); |
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52 | Void calcAoStatsCu(Int iAddr, Int iPartIdx); |
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53 | Void destoryEncBuffer(); |
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54 | Void createEncBuffer(); |
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55 | }; |
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56 | #endif |
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57 | |
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58 | /// estimation part of adaptive loop filter class |
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59 | class TEncAdaptiveLoopFilter : public TComAdaptiveLoopFilter |
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60 | { |
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61 | private: |
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62 | static const Int m_aiSymmetricArray9x9[81]; ///< scan index for 9x9 filter |
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63 | static const Int m_aiSymmetricArray7x7[49]; ///< scan index for 7x7 filter |
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64 | static const Int m_aiSymmetricArray5x5[25]; ///< scan index for 5x5 filter |
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65 | #if TI_ALF_MAX_VSIZE_7 |
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66 | static const Int m_aiSymmetricArray9x7[63]; ///< scan index for 9x7 filter |
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67 | #endif |
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68 | |
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69 | Double** m_ppdAlfCorr; |
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70 | Double* m_pdDoubleAlfCoeff; |
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71 | |
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72 | SliceType m_eSliceType; |
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73 | Int m_iPicNalReferenceIdc; |
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74 | |
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75 | Double m_dLambdaLuma; |
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76 | Double m_dLambdaChroma; |
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77 | |
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78 | TEncEntropy* m_pcEntropyCoder; |
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79 | |
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80 | TComPic* m_pcPic; |
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81 | ALFParam* m_pcBestAlfParam; |
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82 | ALFParam* m_pcTempAlfParam; |
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83 | |
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84 | TComPicYuv* m_pcPicYuvBest; |
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85 | TComPicYuv* m_pcPicYuvTmp; |
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86 | |
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87 | UInt m_uiNumSCUInCU; |
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88 | |
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89 | Int m_varIndTab[NO_VAR_BINS]; |
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90 | double ***m_yGlobalSym; |
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91 | double ****m_EGlobalSym; |
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92 | double *m_pixAcc; |
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93 | Int **m_filterCoeffSymQuant; |
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94 | imgpel **m_varImg; |
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95 | imgpel **m_maskImg; |
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96 | Int m_im_width; |
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97 | Int m_im_height; |
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98 | ALFParam *m_tempALFp; |
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99 | TEncEntropy* m_pcDummyEntropyCoder; |
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100 | |
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101 | double **m_y_merged; |
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102 | double ***m_E_merged; |
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103 | double *m_pixAcc_merged; |
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104 | double *m_y_temp; |
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105 | double **m_E_temp; |
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106 | |
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107 | Int *m_filterCoeffQuantMod; |
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108 | double *m_filterCoeff; |
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109 | Int *m_filterCoeffQuant; |
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110 | Int **m_diffFilterCoeffQuant; |
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111 | Int **m_FilterCoeffQuantTemp; |
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112 | |
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113 | #if MQT_ALF_NPASS |
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114 | Int m_iUsePreviousFilter; |
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115 | Int m_iDesignCurrentFilter; |
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116 | Int m_iFilterIdx; |
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117 | #if MQT_BA_RA |
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118 | Int*** m_aiFilterCoeffSavedMethods[NUM_ALF_CLASS_METHOD]; |
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119 | Int*** m_aiFilterCoeffSaved; |
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120 | #else |
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121 | Int m_aiFilterCoeffSaved[9][NO_VAR_BINS][MAX_SQR_FILT_LENGTH]; |
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122 | #endif |
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123 | Int m_iGOPSize; |
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124 | Int m_iCurrentPOC; |
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125 | Int m_iALFEncodePassReduction; |
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126 | Int m_iALFNumOfRedesign; |
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127 | Int m_iMatrixBaseFiltNo; |
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128 | |
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129 | #if TI_ALF_MAX_VSIZE_7 |
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130 | static Int m_aiTapPos9x9_In9x9Sym[21]; |
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131 | #else |
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132 | static Int m_aiTapPos9x9_In9x9Sym[22]; |
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133 | #endif |
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134 | static Int m_aiTapPos7x7_In9x9Sym[14]; |
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135 | static Int m_aiTapPos5x5_In9x9Sym[8]; |
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136 | static Int* m_iTapPosTabIn9x9Sym[NO_TEST_FILT]; |
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137 | #endif |
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138 | |
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139 | #if MTK_NONCROSS_INLOOP_FILTER |
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140 | TComPicYuv* m_pcSliceYuvTmp; |
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141 | #endif |
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142 | |
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143 | private: |
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144 | // init / uninit internal variables |
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145 | Void xInitParam (); |
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146 | Void xUninitParam (); |
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147 | |
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148 | // create/destroy/copy/set functions of ALF control flags |
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149 | Void xCreateTmpAlfCtrlFlags (); |
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150 | Void xDestroyTmpAlfCtrlFlags (); |
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151 | Void xCopyTmpAlfCtrlFlagsTo (); |
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152 | Void xCopyTmpAlfCtrlFlagsFrom (); |
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153 | |
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154 | // encoder ALF control flags |
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155 | Void xEncodeCUAlfCtrlFlags (); |
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156 | Void xEncodeCUAlfCtrlFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth); |
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157 | |
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158 | // functions related to correlation computation |
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159 | #if MTK_NONCROSS_INLOOP_FILTER |
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160 | Void xCalcCorrelationFunc ( Int ypos, Int xpos, Pel* pOrg, Pel* pCmp, Int iTap, Int iWidth, Int iHeight, Int iOrgStride, Int iCmpStride, Bool bSymmCopyBlockMatrix); |
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161 | #else |
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162 | Void xCalcCorrelationFunc ( Pel* pOrg, Pel* pCmp, Int iTap, Int iWidth, Int iHeight, Int iOrgStride, Int iCmpStride); |
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163 | #endif |
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164 | |
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165 | // functions related to filtering |
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166 | Void xFilterCoefQuickSort ( Double *coef_data, Int *coef_num, Int upper, Int lower ); |
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167 | Void xQuantFilterCoef ( Double* h, Int* qh, Int tap, int bit_depth ); |
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168 | Void xClearFilterCoefInt ( Int* qh, Int N ); |
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169 | Void xCopyDecToRestCUs ( TComPicYuv* pcPicDec, TComPicYuv* pcPicRest ); |
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170 | Void xCopyDecToRestCU ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest ); |
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171 | Void xFilteringFrameChroma ( TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest ); |
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172 | |
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173 | // distortion / misc functions |
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174 | UInt64 xCalcSSD ( Pel* pOrg, Pel* pCmp, Int iWidth, Int iHeight, Int iStride ); |
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175 | Void xCalcRDCost ( TComPicYuv* pcPicOrg, TComPicYuv* pcPicCmp, ALFParam* pAlfParam, UInt64& ruiRate, UInt64& ruiDist, Double& rdCost ); |
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176 | Void xCalcRDCostChroma ( TComPicYuv* pcPicOrg, TComPicYuv* pcPicCmp, ALFParam* pAlfParam, UInt64& ruiRate, UInt64& ruiDist, Double& rdCost ); |
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177 | Void xCalcRDCost ( ALFParam* pAlfParam, UInt64& ruiRate, UInt64 uiDist, Double& rdCost ); |
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178 | Int xGauss ( Double **a, Int N ); |
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179 | |
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180 | #if MQT_ALF_NPASS |
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181 | Void xretriveBlockMatrix (Int iNumTaps, Int* piTapPosInMaxFilter, Double*** pppdEBase, Double*** pppdETarget, Double** ppdyBase, Double** ppdyTarget ); |
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182 | Void xcalcPredFilterCoeffPrev(Int filtNo); |
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183 | Void setALFEncodingParam(TComPic *pcPic); |
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184 | Void setFilterIdx(Int index); |
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185 | Void setInitialMask(TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec); |
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186 | #if MQT_BA_RA |
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187 | Void xFirstEstimateFilteringFrameLumaAllTap(imgpel* ImgOrg, imgpel* ImgDec, Int Stride, ALFParam* pcAlfSaved,Int* aiVarIndTabBest,Int** ppiBestCoeffSet, Int& ibestfiltNo,Int& ibestfilters_per_fr, Double** ppdBesty,Double*** pppdBestE,Double* pdBestpixAcc,UInt64& ruiRate,Int64& riDist,Double& rdCost); |
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188 | #else |
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189 | Void xFirstFilteringFrameLumaAllTap(imgpel* ImgOrg, imgpel* ImgDec, imgpel* ImgRest, Int Stride); |
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190 | #endif |
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191 | Int64 xFastFiltDistEstimation(Double** ppdE, Double* pdy, Int* piCoeff, Int iFiltLength); |
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192 | Int64 xEstimateFiltDist (Int filters_per_fr, Int* VarIndTab, Double*** pppdE, Double** ppdy, Int** ppiCoeffSet, Int iFiltLength); |
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193 | #endif |
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194 | |
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195 | |
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196 | #if MTK_NONCROSS_INLOOP_FILTER |
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197 | Void xstoreInBlockMatrixforSlices (imgpel* ImgOrg, imgpel* ImgDec, Int tap, Int iStride); |
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198 | Void xstoreInBlockMatrixforOneSlice(CAlfSlice* pSlice, imgpel* ImgOrg, imgpel* ImgDec, Int tap, Int iStride, Bool bFirstSlice, Bool bLastSlice); |
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199 | Void xfilterSlices_en (imgpel* ImgDec, imgpel* ImgRest,int filtNo, int Stride); |
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200 | Void xfilterOneSlice_en (CAlfSlice* pSlice, imgpel* ImgDec, imgpel* ImgRest,int filtNo, int iStride); |
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201 | Void calcVarforSlices (imgpel **varmap, imgpel *imgY_pad, Int pad_size, Int fl, Int img_stride); |
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202 | |
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203 | //only for chroma |
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204 | Void xCalcCorrelationFuncforChromaSlices (Int ComponentID, Pel* pOrg, Pel* pCmp, Int iTap, Int iOrgStride, Int iCmpStride); |
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205 | Void xCalcCorrelationFuncforChromaOneSlice(CAlfSlice* pSlice, Pel* pOrg, Pel* pCmp, Int iTap, Int iStride, Bool bLastSlice); |
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206 | Void xFrameChromaforSlices (Int ComponentID, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, Int *qh, Int iTap); |
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207 | #endif |
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208 | |
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209 | |
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210 | protected: |
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211 | /// do ALF for chroma |
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212 | Void xEncALFChroma ( UInt64 uiLumaRate, TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, UInt64& ruiDist, UInt64& ruiBits ); |
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213 | public: |
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214 | TEncAdaptiveLoopFilter (); |
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215 | virtual ~TEncAdaptiveLoopFilter () {} |
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216 | |
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217 | /// allocate temporal memory |
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218 | Void startALFEnc(TComPic* pcPic, TEncEntropy* pcEntropyCoder); |
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219 | |
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220 | /// destroy temporal memory |
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221 | Void endALFEnc(); |
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222 | |
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223 | /// estimate ALF parameters |
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224 | Void ALFProcess(ALFParam* pcAlfParam, Double dLambda, UInt64& ruiDist, UInt64& ruiBits, UInt& ruiMaxAlfCtrlDepth ); |
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225 | /// test ALF for luma |
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226 | Void xEncALFLuma_qc ( TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, UInt64& ruiMinRate, |
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227 | UInt64& ruiMinDist, Double& rdMinCost ); |
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228 | Void xCUAdaptiveControl_qc ( TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, UInt64& ruiMinRate, |
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229 | UInt64& ruiMinDist, Double& rdMinCost ); |
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230 | #if TSB_ALF_HEADER |
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231 | Void xSetCUAlfCtrlFlags_qc (UInt uiAlfCtrlDepth, TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, |
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232 | UInt64& ruiDist, ALFParam *pAlfParam); |
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233 | Void xSetCUAlfCtrlFlag_qc (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiAlfCtrlDepth, TComPicYuv* pcPicOrg, |
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234 | TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, UInt64& ruiDist, ALFParam *pAlfParam); |
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235 | #else |
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236 | Void xSetCUAlfCtrlFlags_qc (UInt uiAlfCtrlDepth, TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, |
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237 | UInt64& ruiDist); |
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238 | Void xSetCUAlfCtrlFlag_qc (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiAlfCtrlDepth, TComPicYuv* pcPicOrg, |
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239 | TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, UInt64& ruiDist); |
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240 | #endif |
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241 | Void xReDesignFilterCoeff_qc (TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, Bool bReadCorr); |
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242 | Void xFilterTapDecision_qc (TComPicYuv* pcPicOrg, TComPicYuv* pcPicDec, TComPicYuv* pcPicRest, UInt64& ruiMinRate, |
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243 | UInt64& ruiMinDist, Double& rdMinCost); |
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244 | Void xFirstFilteringFrameLuma (imgpel* ImgOrg, imgpel* ImgDec, imgpel* ImgRest, ALFParam* ALFp, Int tap, Int Stride); |
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245 | #if MTK_NONCROSS_INLOOP_FILTER |
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246 | Void xstoreInBlockMatrix(Int ypos, Int xpos, Int iheight, Int iwidth, Bool bResetBlockMatrix, Bool bSymmCopyBlockMatrix, imgpel* ImgOrg, imgpel* ImgDec, Int tap, Int Stride); |
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247 | #else |
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248 | Void xstoreInBlockMatrix(imgpel* ImgOrg, imgpel* ImgDec, Int tap, Int Stride); |
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249 | #endif |
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250 | Void xFilteringFrameLuma_qc(imgpel* ImgOrg, imgpel* imgY_pad, imgpel* ImgFilt, ALFParam* ALFp, Int tap, Int Stride); |
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251 | #if MTK_NONCROSS_INLOOP_FILTER |
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252 | Void xfilterFrame_en(int ypos, int xpos, int iheight, int iwidth, imgpel* ImgDec, imgpel* ImgRest,int filtNo, int Stride); |
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253 | #else |
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254 | Void xfilterFrame_en(imgpel* ImgDec, imgpel* ImgRest,int filtNo, int Stride); |
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255 | #endif |
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256 | Void xcalcPredFilterCoeff(Int filtNo); |
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257 | #if MQT_ALF_NPASS |
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258 | UInt xcodeFiltCoeff(Int **filterCoeffSymQuant, Int filtNo, Int varIndTab[], Int filters_per_fr_best, Int frNo, ALFParam* ALFp); |
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259 | #else |
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260 | Void xcodeFiltCoeff(Int **filterCoeffSymQuant, Int filtNo, Int varIndTab[], Int filters_per_fr_best, Int frNo, ALFParam* ALFp); |
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261 | #endif |
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262 | Void xfindBestFilterVarPred(double **ySym, double ***ESym, double *pixAcc, Int **filterCoeffSym, Int **filterCoeffSymQuant, |
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263 | Int filtNo, Int *filters_per_fr_best, Int varIndTab[], imgpel **imgY_rec, imgpel **varImg, |
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264 | imgpel **maskImg, imgpel **imgY_pad, double lambda_val); |
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265 | double xfindBestCoeffCodMethod(int codedVarBins[NO_VAR_BINS], int *forceCoeff0, |
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266 | int **filterCoeffSymQuant, int fl, int sqrFiltLength, |
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267 | int filters_per_fr, double errorForce0CoeffTab[NO_VAR_BINS][2], |
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268 | double *errorQuant, double lambda); |
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269 | Void xcollectStatCodeFilterCoeffForce0(int **pDiffQFilterCoeffIntPP, int fl, int sqrFiltLength, int filters_per_group, |
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270 | int bitsVarBin[]); |
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271 | Void xdecideCoeffForce0(int codedVarBins[NO_VAR_BINS], double errorForce0Coeff[], double errorForce0CoeffTab[NO_VAR_BINS][2], |
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272 | int bitsVarBin[NO_VAR_BINS], double lambda, int filters_per_fr); |
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273 | Int xsendAllFiltersPPPredForce0(int **FilterCoeffQuant, int fl, int sqrFiltLength, int filters_per_group, |
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274 | int codedVarBins[NO_VAR_BINS], int createBistream, ALFParam* ALFp); |
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275 | Int xsendAllFiltersPPPred(int **FilterCoeffQuant, int fl, int sqrFiltLength, |
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276 | int filters_per_group, int createBistream, ALFParam* ALFp); |
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277 | Int xcodeAuxInfo(int filtNo, int noFilters, int varIndTab[NO_VAR_BINS], int frNo, int createBitstream,int realfiltNo, ALFParam* ALFp); |
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278 | Int xcodeFilterCoeff(int **pDiffQFilterCoeffIntPP, int fl, int sqrFiltLength, int filters_per_group, int createBitstream); |
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279 | Int lengthGolomb(int coeffVal, int k); |
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280 | Int lengthPredFlags(int force0, int predMethod, int codedVarBins[NO_VAR_BINS], |
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281 | int filters_per_group, int createBitstream); |
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282 | Int lengthFilterCoeffs(int sqrFiltLength, int filters_per_group, int pDepthInt[], |
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283 | int **FilterCoeff, int kMinTab[], int createBitstream); |
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284 | //cholesky related |
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285 | Double findFilterCoeff(double ***EGlobalSeq, double **yGlobalSeq, double *pixAccGlobalSeq, int **filterCoeffSeq, |
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286 | int **filterCoeffQuantSeq, int intervalBest[NO_VAR_BINS][2], int varIndTab[NO_VAR_BINS], int sqrFiltLength, |
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287 | int filters_per_fr, int *weights, int bit_depth, double errorTabForce0Coeff[NO_VAR_BINS][2]); |
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288 | Double QuantizeIntegerFilterPP(double *filterCoeff, int *filterCoeffQuant, double **E, double *y, |
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289 | int sqrFiltLength, int *weights, int bit_depth); |
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290 | Void roundFiltCoeff(int *FilterCoeffQuan, double *FilterCoeff, int sqrFiltLength, int factor); |
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291 | double findFilterGroupingError(double ***EGlobalSeq, double **yGlobalSeq, double *pixAccGlobalSeq, |
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292 | int intervalBest[NO_VAR_BINS][2], int sqrFiltLength, int filters_per_fr); |
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293 | double mergeFiltersGreedy(double **yGlobalSeq, double ***EGlobalSeq, double *pixAccGlobalSeq, |
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294 | int intervalBest[NO_VAR_BINS][2], int sqrFiltLength, int noIntervals); |
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295 | double calculateErrorAbs(double **A, double *b, double y, int size); |
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296 | double calculateErrorCoeffProvided(double **A, double *b, double *c, int size); |
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297 | Void add_b(double *bmerged, double **b, int start, int stop, int size); |
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298 | Void add_A(double **Amerged, double ***A, int start, int stop, int size); |
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299 | Int gnsSolveByChol(double **LHS, double *rhs, double *x, int noEq); |
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300 | Void gnsBacksubstitution(double R[MAX_SQR_FILT_LENGTH][MAX_SQR_FILT_LENGTH], double z[MAX_SQR_FILT_LENGTH], |
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301 | int R_size, double A[MAX_SQR_FILT_LENGTH]); |
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302 | Void gnsTransposeBacksubstitution(double U[MAX_SQR_FILT_LENGTH][MAX_SQR_FILT_LENGTH], double rhs[], double x[], |
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303 | int order); |
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304 | Int gnsCholeskyDec(double **inpMatr, double outMatr[MAX_SQR_FILT_LENGTH][MAX_SQR_FILT_LENGTH], int noEq); |
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305 | #if MQT_ALF_NPASS |
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306 | Void setGOPSize(Int val) { m_iGOPSize = val; } |
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307 | Void setALFEncodePassReduction (Int iVal) {m_iALFEncodePassReduction = iVal;} |
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308 | |
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309 | #if MQT_BA_RA |
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310 | Void createAlfGlobalBuffers(Int iALFEncodePassReduction); |
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311 | Void destroyAlfGlobalBuffers(); |
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312 | #endif |
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313 | #endif |
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314 | }; |
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315 | #endif |
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