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) 2010-2015, 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 | /** |
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35 | \file TEncSampleAdaptiveOffset.h |
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36 | \brief estimation part of sample adaptive offset class (header) |
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37 | */ |
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38 | |
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39 | #ifndef __TENCSAMPLEADAPTIVEOFFSET__ |
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40 | #define __TENCSAMPLEADAPTIVEOFFSET__ |
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41 | |
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42 | #include "TLibCommon/TComSampleAdaptiveOffset.h" |
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43 | #include "TLibCommon/TComPic.h" |
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44 | |
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45 | #include "TEncEntropy.h" |
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46 | #include "TEncSbac.h" |
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47 | #include "TLibCommon/TComBitCounter.h" |
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48 | |
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49 | //! \ingroup TLibEncoder |
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50 | //! \{ |
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51 | |
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52 | // ==================================================================================================================== |
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53 | // Class definition |
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54 | // ==================================================================================================================== |
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55 | |
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56 | enum SAOCabacStateLablesRDO //CABAC state labels |
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57 | { |
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58 | SAO_CABACSTATE_PIC_INIT =0, |
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59 | SAO_CABACSTATE_BLK_CUR, |
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60 | SAO_CABACSTATE_BLK_NEXT, |
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61 | SAO_CABACSTATE_BLK_MID, |
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62 | SAO_CABACSTATE_BLK_TEMP, |
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63 | NUM_SAO_CABACSTATE_LABELS |
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64 | }; |
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65 | |
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66 | struct SAOStatData //data structure for SAO statistics |
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67 | { |
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68 | Int64 diff[MAX_NUM_SAO_CLASSES]; |
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69 | Int64 count[MAX_NUM_SAO_CLASSES]; |
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70 | |
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71 | SAOStatData(){} |
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72 | ~SAOStatData(){} |
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73 | Void reset() |
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74 | { |
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75 | ::memset(diff, 0, sizeof(Int64)*MAX_NUM_SAO_CLASSES); |
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76 | ::memset(count, 0, sizeof(Int64)*MAX_NUM_SAO_CLASSES); |
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77 | } |
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78 | const SAOStatData& operator=(const SAOStatData& src) |
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79 | { |
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80 | ::memcpy(diff, src.diff, sizeof(Int64)*MAX_NUM_SAO_CLASSES); |
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81 | ::memcpy(count, src.count, sizeof(Int64)*MAX_NUM_SAO_CLASSES); |
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82 | return *this; |
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83 | } |
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84 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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85 | const SAOStatData& operator+= (const SAOStatData& src) |
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86 | { |
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87 | for(Int i=0; i< MAX_NUM_SAO_CLASSES; i++) |
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88 | { |
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89 | diff[i] += src.diff[i]; |
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90 | count[i] += src.count[i]; |
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91 | } |
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92 | return *this; |
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93 | } |
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94 | #endif |
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95 | }; |
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96 | |
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97 | class TEncSampleAdaptiveOffset : public TComSampleAdaptiveOffset |
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98 | { |
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99 | public: |
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100 | TEncSampleAdaptiveOffset(); |
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101 | virtual ~TEncSampleAdaptiveOffset(); |
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102 | |
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103 | //interface |
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104 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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105 | Void createEncData(Bool isPreDBFSamplesUsed); |
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106 | #else |
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107 | Void createEncData(); |
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108 | #endif |
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109 | Void destroyEncData(); |
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110 | Void initRDOCabacCoder(TEncSbac* pcRDGoOnSbacCoder, TComSlice* pcSlice) ; |
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111 | Void SAOProcess(TComPic* pPic, Bool* sliceEnabled, const Double *lambdas |
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112 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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113 | , Bool isPreDBFSamplesUsed |
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114 | #endif |
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115 | ); |
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116 | public: //methods |
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117 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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118 | Void getPreDBFStatistics(TComPic* pPic); |
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119 | #endif |
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120 | private: //methods |
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121 | Void getStatistics(SAOStatData*** blkStats, TComPicYuv* orgYuv, TComPicYuv* srcYuv,TComPic* pPic |
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122 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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123 | , Bool isCalculatePreDeblockSamples = false |
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124 | #endif |
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125 | ); |
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126 | Void decidePicParams(Bool* sliceEnabled, Int picTempLayer); |
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127 | Void decideBlkParams(TComPic* pic, Bool* sliceEnabled, SAOStatData*** blkStats, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam* reconParams, SAOBlkParam* codedParams); |
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128 | Void getBlkStats(ComponentID compIdx, SAOStatData* statsDataTypes, Pel* srcBlk, Pel* orgBlk, Int srcStride, Int orgStride, Int width, Int height, Bool isLeftAvail, Bool isRightAvail, Bool isAboveAvail, Bool isBelowAvail, Bool isAboveLeftAvail, Bool isAboveRightAvail, Bool isBelowLeftAvail, Bool isBelowRightAvail |
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129 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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130 | , Bool isCalculatePreDeblockSamples |
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131 | #endif |
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132 | ); |
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133 | Void deriveModeNewRDO(Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel); |
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134 | Void deriveModeMergeRDO(Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel); |
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135 | Int64 getDistortion(ComponentID compIdx, Int typeIdc, Int typeAuxInfo, Int* offsetVal, SAOStatData& statData); |
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136 | Void deriveOffsets(ComponentID compIdx, Int typeIdc, SAOStatData& statData, Int* quantOffsets, Int& typeAuxInfo); |
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137 | inline Int64 estSaoDist(Int64 count, Int64 offset, Int64 diffSum, Int shift); |
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138 | inline Int estIterOffset(Int typeIdx, Int classIdx, Double lambda, Int offsetInput, Int64 count, Int64 diffSum, Int shift, Int bitIncrease, Int64& bestDist, Double& bestCost, Int offsetTh ); |
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139 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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140 | Void addPreDBFStatistics(SAOStatData*** blkStats); |
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141 | #endif |
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142 | private: //members |
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143 | //for RDO |
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144 | TEncSbac** m_pppcRDSbacCoder; |
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145 | TEncSbac* m_pcRDGoOnSbacCoder; |
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146 | #if FAST_BIT_EST |
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147 | TEncBinCABACCounter** m_pppcBinCoderCABAC; |
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148 | #else |
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149 | TEncBinCABAC** m_pppcBinCoderCABAC; |
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150 | #endif |
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151 | Double m_lambda[MAX_NUM_COMPONENT]; |
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152 | |
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153 | //statistics |
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154 | SAOStatData*** m_statData; //[ctu][comp][classes] |
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155 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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156 | SAOStatData*** m_preDBFstatData; |
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157 | #endif |
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158 | #if SAO_ENCODING_CHOICE |
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159 | Double m_saoDisabledRate[MAX_NUM_COMPONENT][MAX_TLAYER]; |
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160 | #endif |
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161 | Int m_skipLinesR[MAX_NUM_COMPONENT][NUM_SAO_NEW_TYPES]; |
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162 | Int m_skipLinesB[MAX_NUM_COMPONENT][NUM_SAO_NEW_TYPES]; |
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163 | }; |
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164 | |
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165 | |
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166 | //! \} |
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167 | |
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168 | #endif |
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