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) 2010-2012, 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 TEncSampleAdaptiveOffset.cpp |
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35 | \brief estimation part of sample adaptive offset class |
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36 | */ |
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37 | #include "TEncSampleAdaptiveOffset.h" |
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38 | #include <string.h> |
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39 | #include <stdlib.h> |
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40 | #include <stdio.h> |
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41 | #include <math.h> |
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42 | |
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43 | //! \ingroup TLibEncoder |
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44 | //! \{ |
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45 | |
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46 | TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset() |
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47 | { |
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48 | m_pcEntropyCoder = NULL; |
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49 | m_pppcRDSbacCoder = NULL; |
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50 | m_pcRDGoOnSbacCoder = NULL; |
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51 | m_pppcBinCoderCABAC = NULL; |
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52 | m_iCount = NULL; |
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53 | m_iOffset = NULL; |
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54 | m_iOffsetOrg = NULL; |
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55 | m_iRate = NULL; |
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56 | m_iDist = NULL; |
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57 | m_dCost = NULL; |
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58 | m_dCostPartBest = NULL; |
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59 | m_iDistOrg = NULL; |
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60 | m_iTypePartBest = NULL; |
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61 | } |
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62 | TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset() |
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63 | { |
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64 | |
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65 | } |
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66 | // ==================================================================================================================== |
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67 | // Constants |
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68 | // ==================================================================================================================== |
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69 | |
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70 | |
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71 | // ==================================================================================================================== |
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72 | // Tables |
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73 | // ==================================================================================================================== |
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74 | |
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75 | inline Double xRoundIbdi2(Double x) |
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76 | { |
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77 | #if FULL_NBIT |
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78 | Int bitDepthMinus8 = g_uiBitDepth - 8; |
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79 | return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepthMinus8-1)))/(1<<bitDepthMinus8)) : ((Int)(((Int)(x)-(1<<(bitDepthMinus8-1)))/(1<<bitDepthMinus8))); |
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80 | #else |
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81 | return ((x)>0) ? (Int)(((Int)(x)+(1<<(g_uiBitIncrement-1)))/(1<<g_uiBitIncrement)) : ((Int)(((Int)(x)-(1<<(g_uiBitIncrement-1)))/(1<<g_uiBitIncrement))); |
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82 | #endif |
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83 | } |
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84 | |
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85 | /** rounding with IBDI |
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86 | * \param x |
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87 | */ |
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88 | inline Double xRoundIbdi(Double x) |
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89 | { |
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90 | #if FULL_NBIT |
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91 | return (g_uiBitDepth > 8 ? xRoundIbdi2((x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ; |
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92 | #else |
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93 | return (g_uiBitIncrement >0 ? xRoundIbdi2((x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ; |
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94 | #endif |
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95 | } |
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96 | |
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97 | |
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98 | |
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99 | /** process SAO for one partition |
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100 | * \param *psQTPart, iPartIdx, dLambda |
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101 | */ |
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102 | #if SAO_UNIT_INTERLEAVING |
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103 | Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda) |
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104 | { |
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105 | Int iTypeIdx; |
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106 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
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107 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
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108 | |
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109 | Int64 iEstDist; |
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110 | Int64 iOffsetOrg; |
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111 | Int64 iOffset; |
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112 | Int64 iCount; |
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113 | Int iClassIdx; |
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114 | Int uiShift = g_uiBitIncrement << 1; |
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115 | UInt uiDepth = pOnePart->PartLevel; |
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116 | |
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117 | m_iDistOrg [iPartIdx] = 0; |
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118 | |
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119 | Double bestRDCostTableBo = MAX_DOUBLE; |
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120 | Int bestClassTableBo = 0; |
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121 | Int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
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122 | Double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
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123 | |
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124 | #if HHI_INTERVIEW_SKIP |
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125 | Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU(); |
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126 | Int LcuIdxX = psQTPart->StartCUX; |
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127 | Int LcuIdxY = psQTPart->StartCUY; |
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128 | Int iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
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129 | TComDataCU *pcCU = m_pcPic->getCU(iAddr); |
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130 | Bool bRenderable = pcCU->getRenderable(0) ; |
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131 | |
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132 | #endif |
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133 | for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++) |
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134 | { |
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135 | if( m_bUseSBACRD ) |
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136 | { |
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137 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
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138 | m_pcRDGoOnSbacCoder->resetBits(); |
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139 | } |
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140 | else |
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141 | { |
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142 | m_pcEntropyCoder->resetEntropy(); |
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143 | m_pcEntropyCoder->resetBits(); |
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144 | } |
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145 | |
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146 | iEstDist = 0; |
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147 | |
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148 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoTypeIdx(iTypeIdx+1); |
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149 | |
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150 | if (iTypeIdx>=0) |
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151 | { |
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152 | |
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153 | for(iClassIdx=1; iClassIdx < ( (iTypeIdx < SAO_BO) ? m_iNumClass[iTypeIdx]+1 : SAO_MAX_BO_CLASSES+1); iClassIdx++) |
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154 | { |
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155 | if( iTypeIdx == SAO_BO) |
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156 | { |
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157 | currentDistortionTableBo[iClassIdx-1] = 0; |
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158 | currentRdCostTableBo[iClassIdx-1] = dLambda; |
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159 | } |
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160 | #if HHI_INTERVIEW_SKIP |
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161 | if(m_iCount [iPartIdx][iTypeIdx][iClassIdx] && !bRenderable) |
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162 | #else |
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163 | if(m_iCount [iPartIdx][iTypeIdx][iClassIdx]) |
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164 | #endif |
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165 | { |
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166 | #if FULL_NBIT |
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167 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitDepth-8) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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168 | #else |
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169 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitIncrement) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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170 | #endif |
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171 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = Clip3(-m_iOffsetTh, m_iOffsetTh-1, (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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172 | |
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173 | if (iTypeIdx < 4) |
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174 | { |
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175 | if ( m_iOffset[iPartIdx][iTypeIdx][iClassIdx]<0 && iClassIdx<3 ) |
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176 | { |
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177 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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178 | } |
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179 | if ( m_iOffset[iPartIdx][iTypeIdx][iClassIdx]>0 && iClassIdx>=3) |
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180 | { |
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181 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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182 | } |
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183 | } |
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184 | { |
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185 | //Clean up, best_q_offset. |
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186 | Int64 iIterOffset, iTempOffset; |
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187 | Int64 iTempDist, iTempRate; |
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188 | Double dTempCost, dTempMinCost; |
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189 | UInt uiLength, uiTemp; |
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190 | |
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191 | iIterOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx]; |
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192 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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193 | dTempMinCost = dLambda; // Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here. |
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194 | |
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195 | while (iIterOffset != 0) |
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196 | { |
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197 | // Calculate the bits required for signalling the offset |
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198 | uiLength = 1; |
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199 | uiTemp = (UInt)((iIterOffset <= 0) ? ( (-iIterOffset<<1) + 1 ) : (iIterOffset<<1)); |
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200 | while( 1 != uiTemp ) |
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201 | { |
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202 | uiTemp >>= 1; |
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203 | uiLength += 2; |
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204 | } |
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205 | iTempRate = (uiLength >> 1) + ((uiLength+1) >> 1); |
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206 | |
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207 | // Do the dequntization before distorion calculation |
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208 | iTempOffset = iIterOffset << m_uiSaoBitIncrease; |
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209 | iTempDist = (( m_iCount [iPartIdx][iTypeIdx][iClassIdx]*iTempOffset*iTempOffset-m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]*iTempOffset*2 ) >> uiShift); |
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210 | |
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211 | dTempCost = ((Double)iTempDist + dLambda * (Double) iTempRate); |
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212 | if(dTempCost < dTempMinCost) |
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213 | { |
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214 | dTempMinCost = dTempCost; |
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215 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = iIterOffset; |
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216 | if(iTypeIdx == SAO_BO) |
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217 | { |
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218 | currentDistortionTableBo[iClassIdx-1] = (Int) iTempDist; |
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219 | currentRdCostTableBo[iClassIdx-1] = dTempCost; |
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220 | } |
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221 | } |
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222 | iIterOffset = (iIterOffset > 0) ? (iIterOffset-1):(iIterOffset+1); |
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223 | } |
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224 | |
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225 | } |
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226 | } |
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227 | else |
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228 | { |
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229 | m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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230 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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231 | } |
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232 | if( iTypeIdx != SAO_BO ) |
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233 | { |
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234 | iCount = m_iCount [iPartIdx][iTypeIdx][iClassIdx]; |
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235 | iOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx] << m_uiSaoBitIncrease; |
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236 | iOffsetOrg = m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]; |
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237 | iEstDist += (( iCount*iOffset*iOffset-iOffsetOrg*iOffset*2 ) >> uiShift); |
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238 | if (iTypeIdx < 4) |
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239 | { |
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240 | if (iClassIdx<3) |
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241 | { |
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242 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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243 | } |
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244 | else |
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245 | { |
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246 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)-m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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247 | } |
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248 | } |
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249 | else |
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250 | { |
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251 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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252 | } |
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253 | } |
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254 | } |
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255 | |
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256 | if( iTypeIdx == SAO_BO ) |
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257 | { |
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258 | // Estimate Best Position |
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259 | Double currentRDCost = 0.0; |
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260 | |
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261 | for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++) |
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262 | { |
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263 | currentRDCost = 0.0; |
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264 | for(UInt uj = i; uj < i+SAO_BO_LEN; uj++) |
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265 | { |
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266 | currentRDCost += currentRdCostTableBo[uj]; |
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267 | } |
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268 | |
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269 | if( currentRDCost < bestRDCostTableBo) |
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270 | { |
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271 | bestRDCostTableBo = currentRDCost; |
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272 | bestClassTableBo = i; |
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273 | } |
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274 | } |
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275 | |
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276 | // Re code all Offsets |
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277 | // Code Center |
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278 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUflc( (UInt) (bestClassTableBo) ); |
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279 | |
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280 | for(iClassIdx = bestClassTableBo; iClassIdx < bestClassTableBo+SAO_BO_LEN; iClassIdx++) |
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281 | { |
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282 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+1]); |
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283 | iEstDist += currentDistortionTableBo[iClassIdx]; |
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284 | } |
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285 | } |
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286 | |
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287 | m_iDist[iPartIdx][iTypeIdx] = iEstDist; |
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288 | m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits(); |
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289 | |
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290 | m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]); |
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291 | |
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292 | if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx]) |
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293 | { |
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294 | m_iDistOrg [iPartIdx] = 0; |
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295 | m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx]; |
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296 | m_iTypePartBest[iPartIdx] = iTypeIdx; |
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297 | if( m_bUseSBACRD ) |
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298 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
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299 | } |
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300 | } |
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301 | else |
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302 | { |
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303 | if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] ) |
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304 | { |
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305 | m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ; |
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306 | m_iTypePartBest[iPartIdx] = -1; |
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307 | if( m_bUseSBACRD ) |
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308 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
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309 | } |
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310 | } |
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311 | } |
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312 | |
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313 | pOnePart->bProcessed = true; |
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314 | pOnePart->bSplit = false; |
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315 | pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx]; |
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316 | pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0); |
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317 | pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate; |
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318 | pOnePart->iBestType = m_iTypePartBest[iPartIdx]; |
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319 | if (pOnePart->iBestType != -1) |
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320 | { |
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321 | // pOnePart->bEnableFlag = 1; |
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322 | pOnePart->iLength = m_iNumClass[pOnePart->iBestType]; |
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323 | Int minIndex = 0; |
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324 | if( pOnePart->iBestType == SAO_BO ) |
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325 | { |
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326 | pOnePart->bandPosition = bestClassTableBo; |
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327 | minIndex = pOnePart->bandPosition; |
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328 | } |
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329 | for (Int i=0; i< pOnePart->iLength ; i++) |
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330 | { |
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331 | pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][minIndex+i+1]; |
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332 | } |
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333 | |
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334 | } |
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335 | else |
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336 | { |
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337 | // pOnePart->bEnableFlag = 0; |
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338 | pOnePart->iLength = 0; |
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339 | } |
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340 | } |
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341 | |
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342 | #else |
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343 | Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda) |
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344 | { |
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345 | Int iTypeIdx; |
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346 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
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347 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
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348 | |
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349 | Int64 iEstDist; |
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350 | Int64 iOffsetOrg; |
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351 | Int64 iOffset; |
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352 | Int64 iCount; |
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353 | Int iClassIdx; |
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354 | Int uiShift = g_uiBitIncrement << 1; |
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355 | |
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356 | UInt uiDepth = pOnePart->PartLevel; |
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357 | |
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358 | m_iDistOrg [iPartIdx] = 0; |
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359 | |
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360 | for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++) |
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361 | { |
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362 | if( m_bUseSBACRD ) |
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363 | { |
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364 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
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365 | m_pcRDGoOnSbacCoder->resetBits(); |
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366 | } |
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367 | else |
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368 | { |
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369 | m_pcEntropyCoder->resetEntropy(); |
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370 | m_pcEntropyCoder->resetBits(); |
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371 | } |
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372 | |
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373 | iEstDist = 0; |
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374 | |
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375 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc(iTypeIdx+1); |
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376 | |
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377 | if (iTypeIdx>=0) |
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378 | { |
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379 | |
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380 | for(iClassIdx=1; iClassIdx < m_iNumClass[iTypeIdx]+1; iClassIdx++) |
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381 | { |
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382 | if(m_iCount [iPartIdx][iTypeIdx][iClassIdx]) |
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383 | { |
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384 | #if FULL_NBIT |
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385 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitDepth-8) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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386 | #else |
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387 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitIncrement) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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388 | #endif |
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389 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = Clip3(-m_iOffsetTh, m_iOffsetTh-1, (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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390 | { |
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391 | Int64 iterOffset, tempOffset; |
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392 | Int64 tempDist, tempRate; |
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393 | Double tempCost, tempMinCost; |
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394 | UInt codeLength, tempValue; |
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395 | |
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396 | iterOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx]; |
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397 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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398 | tempMinCost = dLambda; // Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here. |
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399 | |
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400 | while (iterOffset != 0) |
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401 | { |
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402 | // Calculate the bits required for signalling the offset |
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403 | codeLength = 1; |
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404 | tempValue = (UInt)((iterOffset <= 0) ? ( (-iterOffset<<1) + 1 ) : (iterOffset<<1)); |
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405 | while( 1 != tempValue ) |
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406 | { |
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407 | tempValue >>= 1; |
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408 | codeLength += 2; |
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409 | } |
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410 | tempRate = (codeLength >> 1) + ((codeLength+1) >> 1); |
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411 | |
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412 | // Do the dequntization before distorion calculation |
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413 | tempOffset = iterOffset << m_uiSaoBitIncrease; |
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414 | tempDist = (( m_iCount [iPartIdx][iTypeIdx][iClassIdx]*tempOffset*tempOffset-m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]*tempOffset*2 ) >> uiShift); |
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415 | |
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416 | tempCost = ((Double)tempDist + dLambda * (Double) tempRate); |
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417 | if(tempCost < tempMinCost) |
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418 | { |
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419 | tempMinCost = tempCost; |
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420 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = iterOffset; |
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421 | } |
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422 | iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1); |
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423 | } |
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424 | } |
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425 | } |
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426 | else |
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427 | { |
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428 | m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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429 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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430 | } |
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431 | |
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432 | iCount = m_iCount [iPartIdx][iTypeIdx][iClassIdx]; |
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433 | iOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx] << m_uiSaoBitIncrease; |
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434 | iOffsetOrg = m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]; |
---|
435 | iEstDist += (( iCount*iOffset*iOffset-iOffsetOrg*iOffset*2 ) >> uiShift); |
---|
436 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
---|
437 | } |
---|
438 | m_iDist[iPartIdx][iTypeIdx] = iEstDist; |
---|
439 | m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
440 | |
---|
441 | m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]); |
---|
442 | |
---|
443 | if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx]) |
---|
444 | { |
---|
445 | m_iDistOrg [iPartIdx] = 0; |
---|
446 | m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx]; |
---|
447 | m_iTypePartBest[iPartIdx] = iTypeIdx; |
---|
448 | if( m_bUseSBACRD ) |
---|
449 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
---|
450 | } |
---|
451 | } |
---|
452 | else |
---|
453 | { |
---|
454 | if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] ) |
---|
455 | { |
---|
456 | m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ; |
---|
457 | m_iTypePartBest[iPartIdx] = -1; |
---|
458 | if( m_bUseSBACRD ) |
---|
459 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
---|
460 | } |
---|
461 | } |
---|
462 | } |
---|
463 | |
---|
464 | pOnePart->bProcessed = true; |
---|
465 | pOnePart->bSplit = false; |
---|
466 | pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx]; |
---|
467 | pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0); |
---|
468 | pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate; |
---|
469 | pOnePart->iBestType = m_iTypePartBest[iPartIdx]; |
---|
470 | if (pOnePart->iBestType != -1) |
---|
471 | { |
---|
472 | pOnePart->bEnableFlag = 1; |
---|
473 | pOnePart->iLength = m_iNumClass[pOnePart->iBestType]; |
---|
474 | for (Int i=0; i<pOnePart->iLength ; i++) |
---|
475 | pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][i+1]; |
---|
476 | } |
---|
477 | else |
---|
478 | { |
---|
479 | pOnePart->bEnableFlag = 0; |
---|
480 | pOnePart->iLength = 0; |
---|
481 | } |
---|
482 | } |
---|
483 | |
---|
484 | #endif |
---|
485 | /** Run partition tree disable |
---|
486 | */ |
---|
487 | Void TEncSampleAdaptiveOffset::disablePartTree(SAOQTPart *psQTPart, Int iPartIdx) |
---|
488 | { |
---|
489 | SAOQTPart* pOnePart= &(psQTPart[iPartIdx]); |
---|
490 | #if !SAO_UNIT_INTERLEAVING |
---|
491 | pOnePart->bEnableFlag = false; |
---|
492 | #endif |
---|
493 | pOnePart->bSplit = false; |
---|
494 | pOnePart->iLength = 0; |
---|
495 | pOnePart->iBestType = -1; |
---|
496 | |
---|
497 | if (pOnePart->PartLevel < m_uiMaxSplitLevel) |
---|
498 | { |
---|
499 | for (Int i=0; i<NUM_DOWN_PART; i++) |
---|
500 | { |
---|
501 | disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]); |
---|
502 | } |
---|
503 | } |
---|
504 | } |
---|
505 | |
---|
506 | /** Run quadtree decision function |
---|
507 | * \param iPartIdx, pcPicOrg, pcPicDec, pcPicRest, &dCostFinal |
---|
508 | */ |
---|
509 | Void TEncSampleAdaptiveOffset::runQuadTreeDecision(SAOQTPart *psQTPart, Int iPartIdx, Double &dCostFinal, Int iMaxLevel, Double dLambda) |
---|
510 | { |
---|
511 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
---|
512 | |
---|
513 | UInt uiDepth = pOnePart->PartLevel; |
---|
514 | UInt uhNextDepth = uiDepth+1; |
---|
515 | |
---|
516 | if (iPartIdx == 0) |
---|
517 | { |
---|
518 | dCostFinal = 0; |
---|
519 | } |
---|
520 | |
---|
521 | //SAO for this part |
---|
522 | if(!pOnePart->bProcessed) |
---|
523 | { |
---|
524 | rdoSaoOnePart (psQTPart, iPartIdx, dLambda); |
---|
525 | } |
---|
526 | |
---|
527 | //SAO for sub 4 parts |
---|
528 | if (pOnePart->PartLevel < iMaxLevel) |
---|
529 | { |
---|
530 | Double dCostNotSplit = dLambda + pOnePart->dMinCost; |
---|
531 | Double dCostSplit = dLambda; |
---|
532 | |
---|
533 | for (Int i=0; i< NUM_DOWN_PART ;i++) |
---|
534 | { |
---|
535 | if( m_bUseSBACRD ) |
---|
536 | { |
---|
537 | if ( 0 == i) //initialize RD with previous depth buffer |
---|
538 | { |
---|
539 | m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
---|
540 | } |
---|
541 | else |
---|
542 | { |
---|
543 | m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]); |
---|
544 | } |
---|
545 | } |
---|
546 | runQuadTreeDecision(psQTPart, pOnePart->DownPartsIdx[i], dCostFinal, iMaxLevel, dLambda); |
---|
547 | dCostSplit += dCostFinal; |
---|
548 | if( m_bUseSBACRD ) |
---|
549 | { |
---|
550 | m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_TEMP_BEST]); |
---|
551 | } |
---|
552 | } |
---|
553 | |
---|
554 | if(dCostSplit < dCostNotSplit) |
---|
555 | { |
---|
556 | dCostFinal = dCostSplit; |
---|
557 | pOnePart->bSplit = true; |
---|
558 | #if !SAO_UNIT_INTERLEAVING |
---|
559 | pOnePart->bEnableFlag = false; |
---|
560 | #endif |
---|
561 | pOnePart->iLength = 0; |
---|
562 | pOnePart->iBestType = -1; |
---|
563 | if( m_bUseSBACRD ) |
---|
564 | { |
---|
565 | m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]); |
---|
566 | } |
---|
567 | } |
---|
568 | else |
---|
569 | { |
---|
570 | dCostFinal = dCostNotSplit; |
---|
571 | pOnePart->bSplit = false; |
---|
572 | for (Int i=0; i<NUM_DOWN_PART; i++) |
---|
573 | { |
---|
574 | disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]); |
---|
575 | } |
---|
576 | if( m_bUseSBACRD ) |
---|
577 | { |
---|
578 | m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_TEMP_BEST]); |
---|
579 | } |
---|
580 | } |
---|
581 | } |
---|
582 | else |
---|
583 | { |
---|
584 | dCostFinal = pOnePart->dMinCost; |
---|
585 | } |
---|
586 | } |
---|
587 | |
---|
588 | /** delete allocated memory of TEncSampleAdaptiveOffset class. |
---|
589 | */ |
---|
590 | Void TEncSampleAdaptiveOffset::destroyEncBuffer() |
---|
591 | { |
---|
592 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
593 | { |
---|
594 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
595 | { |
---|
596 | if (m_iCount [i][j]) |
---|
597 | { |
---|
598 | delete [] m_iCount [i][j]; |
---|
599 | } |
---|
600 | if (m_iOffset[i][j]) |
---|
601 | { |
---|
602 | delete [] m_iOffset[i][j]; |
---|
603 | } |
---|
604 | if (m_iOffsetOrg[i][j]) |
---|
605 | { |
---|
606 | delete [] m_iOffsetOrg[i][j]; |
---|
607 | } |
---|
608 | } |
---|
609 | if (m_iRate[i]) |
---|
610 | { |
---|
611 | delete [] m_iRate[i]; |
---|
612 | } |
---|
613 | if (m_iDist[i]) |
---|
614 | { |
---|
615 | delete [] m_iDist[i]; |
---|
616 | } |
---|
617 | if (m_dCost[i]) |
---|
618 | { |
---|
619 | delete [] m_dCost[i]; |
---|
620 | } |
---|
621 | if (m_iCount [i]) |
---|
622 | { |
---|
623 | delete [] m_iCount [i]; |
---|
624 | } |
---|
625 | if (m_iOffset[i]) |
---|
626 | { |
---|
627 | delete [] m_iOffset[i]; |
---|
628 | } |
---|
629 | if (m_iOffsetOrg[i]) |
---|
630 | { |
---|
631 | delete [] m_iOffsetOrg[i]; |
---|
632 | } |
---|
633 | |
---|
634 | } |
---|
635 | if (m_iDistOrg) |
---|
636 | { |
---|
637 | delete [] m_iDistOrg ; m_iDistOrg = NULL; |
---|
638 | } |
---|
639 | if (m_dCostPartBest) |
---|
640 | { |
---|
641 | delete [] m_dCostPartBest ; m_dCostPartBest = NULL; |
---|
642 | } |
---|
643 | if (m_iTypePartBest) |
---|
644 | { |
---|
645 | delete [] m_iTypePartBest ; m_iTypePartBest = NULL; |
---|
646 | } |
---|
647 | if (m_iRate) |
---|
648 | { |
---|
649 | delete [] m_iRate ; m_iRate = NULL; |
---|
650 | } |
---|
651 | if (m_iDist) |
---|
652 | { |
---|
653 | delete [] m_iDist ; m_iDist = NULL; |
---|
654 | } |
---|
655 | if (m_dCost) |
---|
656 | { |
---|
657 | delete [] m_dCost ; m_dCost = NULL; |
---|
658 | } |
---|
659 | if (m_iCount) |
---|
660 | { |
---|
661 | delete [] m_iCount ; m_iCount = NULL; |
---|
662 | } |
---|
663 | if (m_iOffset) |
---|
664 | { |
---|
665 | delete [] m_iOffset ; m_iOffset = NULL; |
---|
666 | } |
---|
667 | if (m_iOffsetOrg) |
---|
668 | { |
---|
669 | delete [] m_iOffsetOrg ; m_iOffsetOrg = NULL; |
---|
670 | } |
---|
671 | |
---|
672 | Int iMaxDepth = 4; |
---|
673 | Int iDepth; |
---|
674 | for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
675 | { |
---|
676 | for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ ) |
---|
677 | { |
---|
678 | delete m_pppcRDSbacCoder[iDepth][iCIIdx]; |
---|
679 | delete m_pppcBinCoderCABAC[iDepth][iCIIdx]; |
---|
680 | } |
---|
681 | } |
---|
682 | |
---|
683 | for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
684 | { |
---|
685 | delete [] m_pppcRDSbacCoder[iDepth]; |
---|
686 | delete [] m_pppcBinCoderCABAC[iDepth]; |
---|
687 | } |
---|
688 | |
---|
689 | delete [] m_pppcRDSbacCoder; |
---|
690 | delete [] m_pppcBinCoderCABAC; |
---|
691 | } |
---|
692 | |
---|
693 | /** create Encoder Buffer for SAO |
---|
694 | * \param |
---|
695 | */ |
---|
696 | Void TEncSampleAdaptiveOffset::createEncBuffer() |
---|
697 | { |
---|
698 | m_iDistOrg = new Int64 [m_iNumTotalParts]; |
---|
699 | m_dCostPartBest = new Double [m_iNumTotalParts]; |
---|
700 | m_iTypePartBest = new Int [m_iNumTotalParts]; |
---|
701 | |
---|
702 | m_iRate = new Int64* [m_iNumTotalParts]; |
---|
703 | m_iDist = new Int64* [m_iNumTotalParts]; |
---|
704 | m_dCost = new Double*[m_iNumTotalParts]; |
---|
705 | |
---|
706 | m_iCount = new Int64 **[m_iNumTotalParts]; |
---|
707 | m_iOffset = new Int64 **[m_iNumTotalParts]; |
---|
708 | m_iOffsetOrg = new Int64 **[m_iNumTotalParts]; |
---|
709 | |
---|
710 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
711 | { |
---|
712 | m_iRate[i] = new Int64 [MAX_NUM_SAO_TYPE]; |
---|
713 | m_iDist[i] = new Int64 [MAX_NUM_SAO_TYPE]; |
---|
714 | m_dCost[i] = new Double [MAX_NUM_SAO_TYPE]; |
---|
715 | |
---|
716 | m_iCount [i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
717 | m_iOffset[i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
718 | m_iOffsetOrg[i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
719 | |
---|
720 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
721 | { |
---|
722 | m_iCount [i][j] = new Int64 [MAX_NUM_SAO_CLASS]; |
---|
723 | m_iOffset[i][j] = new Int64 [MAX_NUM_SAO_CLASS]; |
---|
724 | m_iOffsetOrg[i][j]= new Int64 [MAX_NUM_SAO_CLASS]; |
---|
725 | } |
---|
726 | } |
---|
727 | |
---|
728 | Int iMaxDepth = 4; |
---|
729 | m_pppcRDSbacCoder = new TEncSbac** [iMaxDepth+1]; |
---|
730 | #if FAST_BIT_EST |
---|
731 | m_pppcBinCoderCABAC = new TEncBinCABACCounter** [iMaxDepth+1]; |
---|
732 | #else |
---|
733 | m_pppcBinCoderCABAC = new TEncBinCABAC** [iMaxDepth+1]; |
---|
734 | #endif |
---|
735 | |
---|
736 | for ( Int iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
737 | { |
---|
738 | m_pppcRDSbacCoder[iDepth] = new TEncSbac* [CI_NUM]; |
---|
739 | #if FAST_BIT_EST |
---|
740 | m_pppcBinCoderCABAC[iDepth] = new TEncBinCABACCounter* [CI_NUM]; |
---|
741 | #else |
---|
742 | m_pppcBinCoderCABAC[iDepth] = new TEncBinCABAC* [CI_NUM]; |
---|
743 | #endif |
---|
744 | for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ ) |
---|
745 | { |
---|
746 | m_pppcRDSbacCoder[iDepth][iCIIdx] = new TEncSbac; |
---|
747 | #if FAST_BIT_EST |
---|
748 | m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABACCounter; |
---|
749 | #else |
---|
750 | m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABAC; |
---|
751 | #endif |
---|
752 | m_pppcRDSbacCoder [iDepth][iCIIdx]->init( m_pppcBinCoderCABAC [iDepth][iCIIdx] ); |
---|
753 | } |
---|
754 | } |
---|
755 | } |
---|
756 | |
---|
757 | /** Start SAO encoder |
---|
758 | * \param pcPic, pcEntropyCoder, pppcRDSbacCoder, pcRDGoOnSbacCoder |
---|
759 | */ |
---|
760 | Void TEncSampleAdaptiveOffset::startSaoEnc( TComPic* pcPic, TEncEntropy* pcEntropyCoder, TEncSbac*** pppcRDSbacCoder, TEncSbac* pcRDGoOnSbacCoder) |
---|
761 | { |
---|
762 | if( pcRDGoOnSbacCoder ) |
---|
763 | m_bUseSBACRD = true; |
---|
764 | else |
---|
765 | m_bUseSBACRD = false; |
---|
766 | |
---|
767 | m_pcPic = pcPic; |
---|
768 | m_pcEntropyCoder = pcEntropyCoder; |
---|
769 | |
---|
770 | m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder; |
---|
771 | m_pcEntropyCoder->resetEntropy(); |
---|
772 | m_pcEntropyCoder->resetBits(); |
---|
773 | |
---|
774 | if( m_bUseSBACRD ) |
---|
775 | { |
---|
776 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_NEXT_BEST]); |
---|
777 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_NEXT_BEST]); |
---|
778 | } |
---|
779 | } |
---|
780 | |
---|
781 | /** End SAO encoder |
---|
782 | */ |
---|
783 | Void TEncSampleAdaptiveOffset::endSaoEnc() |
---|
784 | { |
---|
785 | m_pcPic = NULL; |
---|
786 | m_pcEntropyCoder = NULL; |
---|
787 | } |
---|
788 | |
---|
789 | inline int xSign(int x) |
---|
790 | { |
---|
791 | return ((x >> 31) | ((int)( (((unsigned int) -x)) >> 31))); |
---|
792 | } |
---|
793 | |
---|
794 | /** Calculate SAO statistics for non-cross-slice or non-cross-tile processing |
---|
795 | * \param pRecStart to-be-filtered block buffer pointer |
---|
796 | * \param pOrgStart original block buffer pointer |
---|
797 | * \param stride picture buffer stride |
---|
798 | * \param ppStat statistics buffer |
---|
799 | * \param ppCount counter buffer |
---|
800 | * \param width block width |
---|
801 | * \param height block height |
---|
802 | * \param pbBorderAvail availabilities of block border pixels |
---|
803 | */ |
---|
804 | Void TEncSampleAdaptiveOffset::calcSaoStatsBlock( Pel* pRecStart, Pel* pOrgStart, Int stride, Int64** ppStats, Int64** ppCount, UInt width, UInt height, Bool* pbBorderAvail) |
---|
805 | { |
---|
806 | Int64 *stats, *count; |
---|
807 | Int classIdx, posShift, startX, endX, startY, endY, signLeft,signRight,signDown,signDown1; |
---|
808 | Pel *pOrg, *pRec; |
---|
809 | UInt edgeType; |
---|
810 | Int x, y; |
---|
811 | |
---|
812 | #if SAO_UNIT_INTERLEAVING |
---|
813 | //--------- Band offset-----------// |
---|
814 | stats = ppStats[SAO_BO]; |
---|
815 | count = ppCount[SAO_BO]; |
---|
816 | pOrg = pOrgStart; |
---|
817 | pRec = pRecStart; |
---|
818 | for (y=0; y< height; y++) |
---|
819 | { |
---|
820 | for (x=0; x< width; x++) |
---|
821 | { |
---|
822 | classIdx = m_lumaTableBo[pRec[x]]; |
---|
823 | if (classIdx) |
---|
824 | { |
---|
825 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
826 | count[classIdx] ++; |
---|
827 | } |
---|
828 | } |
---|
829 | pOrg += stride; |
---|
830 | pRec += stride; |
---|
831 | } |
---|
832 | #else |
---|
833 | //--------- Band offset 0-----------// |
---|
834 | stats = ppStats[SAO_BO_0]; |
---|
835 | count = ppCount[SAO_BO_0]; |
---|
836 | pOrg = pOrgStart; |
---|
837 | pRec = pRecStart; |
---|
838 | for (y=0; y< height; y++) |
---|
839 | { |
---|
840 | for (x=0; x< width; x++) |
---|
841 | { |
---|
842 | classIdx = m_ppLumaTableBo0[pRec[x]]; |
---|
843 | if (classIdx) |
---|
844 | { |
---|
845 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
846 | count[classIdx] ++; |
---|
847 | } |
---|
848 | } |
---|
849 | pOrg += stride; |
---|
850 | pRec += stride; |
---|
851 | } |
---|
852 | |
---|
853 | //--------- Band offset 1-----------// |
---|
854 | stats = ppStats[SAO_BO_1]; |
---|
855 | count = ppCount[SAO_BO_1]; |
---|
856 | pOrg = pOrgStart; |
---|
857 | pRec = pRecStart; |
---|
858 | |
---|
859 | for (y=0; y< height; y++) |
---|
860 | { |
---|
861 | for (x=0; x< width; x++) |
---|
862 | { |
---|
863 | classIdx = m_ppLumaTableBo1[pRec[x]]; |
---|
864 | if (classIdx) |
---|
865 | { |
---|
866 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
867 | count[classIdx] ++; |
---|
868 | } |
---|
869 | } |
---|
870 | pOrg += stride; |
---|
871 | pRec += stride; |
---|
872 | } |
---|
873 | #endif |
---|
874 | //---------- Edge offset 0--------------// |
---|
875 | stats = ppStats[SAO_EO_0]; |
---|
876 | count = ppCount[SAO_EO_0]; |
---|
877 | pOrg = pOrgStart; |
---|
878 | pRec = pRecStart; |
---|
879 | |
---|
880 | |
---|
881 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1; |
---|
882 | endX = (pbBorderAvail[SGU_R]) ? width : (width -1); |
---|
883 | for (y=0; y< height; y++) |
---|
884 | { |
---|
885 | signLeft = xSign(pRec[startX] - pRec[startX-1]); |
---|
886 | for (x=startX; x< endX; x++) |
---|
887 | { |
---|
888 | signRight = xSign(pRec[x] - pRec[x+1]); |
---|
889 | edgeType = signRight + signLeft + 2; |
---|
890 | signLeft = -signRight; |
---|
891 | |
---|
892 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
893 | count[m_auiEoTable[edgeType]] ++; |
---|
894 | } |
---|
895 | pRec += stride; |
---|
896 | pOrg += stride; |
---|
897 | } |
---|
898 | |
---|
899 | //---------- Edge offset 1--------------// |
---|
900 | stats = ppStats[SAO_EO_1]; |
---|
901 | count = ppCount[SAO_EO_1]; |
---|
902 | pOrg = pOrgStart; |
---|
903 | pRec = pRecStart; |
---|
904 | |
---|
905 | startY = (pbBorderAvail[SGU_T]) ? 0 : 1; |
---|
906 | endY = (pbBorderAvail[SGU_B]) ? height : height-1; |
---|
907 | if (!pbBorderAvail[SGU_T]) |
---|
908 | { |
---|
909 | pRec += stride; |
---|
910 | pOrg += stride; |
---|
911 | } |
---|
912 | |
---|
913 | for (x=0; x< width; x++) |
---|
914 | { |
---|
915 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]); |
---|
916 | } |
---|
917 | for (y=startY; y<endY; y++) |
---|
918 | { |
---|
919 | for (x=0; x< width; x++) |
---|
920 | { |
---|
921 | signDown = xSign(pRec[x] - pRec[x+stride]); |
---|
922 | edgeType = signDown + m_iUpBuff1[x] + 2; |
---|
923 | m_iUpBuff1[x] = -signDown; |
---|
924 | |
---|
925 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
926 | count[m_auiEoTable[edgeType]] ++; |
---|
927 | } |
---|
928 | pOrg += stride; |
---|
929 | pRec += stride; |
---|
930 | } |
---|
931 | //---------- Edge offset 2--------------// |
---|
932 | stats = ppStats[SAO_EO_2]; |
---|
933 | count = ppCount[SAO_EO_2]; |
---|
934 | pOrg = pOrgStart; |
---|
935 | pRec = pRecStart; |
---|
936 | |
---|
937 | posShift= stride + 1; |
---|
938 | |
---|
939 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1 ; |
---|
940 | endX = (pbBorderAvail[SGU_R]) ? width : (width-1); |
---|
941 | |
---|
942 | //prepare 2nd line upper sign |
---|
943 | pRec += stride; |
---|
944 | for (x=startX; x< endX+1; x++) |
---|
945 | { |
---|
946 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]); |
---|
947 | } |
---|
948 | |
---|
949 | //1st line |
---|
950 | pRec -= stride; |
---|
951 | if(pbBorderAvail[SGU_TL]) |
---|
952 | { |
---|
953 | x= 0; |
---|
954 | edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2; |
---|
955 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
956 | count[m_auiEoTable[edgeType]] ++; |
---|
957 | } |
---|
958 | if(pbBorderAvail[SGU_T]) |
---|
959 | { |
---|
960 | for(x= 1; x< endX; x++) |
---|
961 | { |
---|
962 | edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2; |
---|
963 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
964 | count[m_auiEoTable[edgeType]] ++; |
---|
965 | } |
---|
966 | } |
---|
967 | pRec += stride; |
---|
968 | pOrg += stride; |
---|
969 | |
---|
970 | //middle lines |
---|
971 | for (y= 1; y< height-1; y++) |
---|
972 | { |
---|
973 | for (x=startX; x<endX; x++) |
---|
974 | { |
---|
975 | signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ; |
---|
976 | edgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
977 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
978 | count[m_auiEoTable[edgeType]] ++; |
---|
979 | |
---|
980 | m_iUpBufft[x+1] = -signDown1; |
---|
981 | } |
---|
982 | m_iUpBufft[startX] = xSign(pRec[stride+startX] - pRec[startX-1]); |
---|
983 | |
---|
984 | ipSwap = m_iUpBuff1; |
---|
985 | m_iUpBuff1 = m_iUpBufft; |
---|
986 | m_iUpBufft = ipSwap; |
---|
987 | |
---|
988 | pRec += stride; |
---|
989 | pOrg += stride; |
---|
990 | } |
---|
991 | |
---|
992 | //last line |
---|
993 | if(pbBorderAvail[SGU_B]) |
---|
994 | { |
---|
995 | for(x= startX; x< width-1; x++) |
---|
996 | { |
---|
997 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
998 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
999 | count[m_auiEoTable[edgeType]] ++; |
---|
1000 | } |
---|
1001 | } |
---|
1002 | if(pbBorderAvail[SGU_BR]) |
---|
1003 | { |
---|
1004 | x= width -1; |
---|
1005 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
1006 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
1007 | count[m_auiEoTable[edgeType]] ++; |
---|
1008 | } |
---|
1009 | |
---|
1010 | //---------- Edge offset 3--------------// |
---|
1011 | |
---|
1012 | stats = ppStats[SAO_EO_3]; |
---|
1013 | count = ppCount[SAO_EO_3]; |
---|
1014 | pOrg = pOrgStart; |
---|
1015 | pRec = pRecStart; |
---|
1016 | |
---|
1017 | posShift = stride - 1; |
---|
1018 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1; |
---|
1019 | endX = (pbBorderAvail[SGU_R]) ? width : (width -1); |
---|
1020 | |
---|
1021 | //prepare 2nd line upper sign |
---|
1022 | pRec += stride; |
---|
1023 | for (x=startX-1; x< endX; x++) |
---|
1024 | { |
---|
1025 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]); |
---|
1026 | } |
---|
1027 | |
---|
1028 | |
---|
1029 | //first line |
---|
1030 | pRec -= stride; |
---|
1031 | if(pbBorderAvail[SGU_T]) |
---|
1032 | { |
---|
1033 | for(x= startX; x< width -1; x++) |
---|
1034 | { |
---|
1035 | edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2; |
---|
1036 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
1037 | count[m_auiEoTable[edgeType]] ++; |
---|
1038 | } |
---|
1039 | } |
---|
1040 | if(pbBorderAvail[SGU_TR]) |
---|
1041 | { |
---|
1042 | x= width-1; |
---|
1043 | edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2; |
---|
1044 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
1045 | count[m_auiEoTable[edgeType]] ++; |
---|
1046 | } |
---|
1047 | pRec += stride; |
---|
1048 | pOrg += stride; |
---|
1049 | |
---|
1050 | //middle lines |
---|
1051 | for (y= 1; y< height-1; y++) |
---|
1052 | { |
---|
1053 | for(x= startX; x< endX; x++) |
---|
1054 | { |
---|
1055 | signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ; |
---|
1056 | edgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
1057 | |
---|
1058 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
1059 | count[m_auiEoTable[edgeType]] ++; |
---|
1060 | m_iUpBuff1[x-1] = -signDown1; |
---|
1061 | |
---|
1062 | } |
---|
1063 | m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]); |
---|
1064 | |
---|
1065 | pRec += stride; |
---|
1066 | pOrg += stride; |
---|
1067 | } |
---|
1068 | |
---|
1069 | //last line |
---|
1070 | if(pbBorderAvail[SGU_BL]) |
---|
1071 | { |
---|
1072 | x= 0; |
---|
1073 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
1074 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
1075 | count[m_auiEoTable[edgeType]] ++; |
---|
1076 | |
---|
1077 | } |
---|
1078 | if(pbBorderAvail[SGU_B]) |
---|
1079 | { |
---|
1080 | for(x= 1; x< endX; x++) |
---|
1081 | { |
---|
1082 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
1083 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
1084 | count[m_auiEoTable[edgeType]] ++; |
---|
1085 | } |
---|
1086 | } |
---|
1087 | } |
---|
1088 | |
---|
1089 | /** Calculate SAO statistics for current LCU |
---|
1090 | * \param iAddr, iPartIdx, iYCbCr |
---|
1091 | */ |
---|
1092 | Void TEncSampleAdaptiveOffset::calcSaoStatsCu(Int iAddr, Int iPartIdx, Int iYCbCr) |
---|
1093 | { |
---|
1094 | if(!m_bUseNIF) |
---|
1095 | { |
---|
1096 | calcSaoStatsCuOrg( iAddr, iPartIdx, iYCbCr); |
---|
1097 | } |
---|
1098 | else |
---|
1099 | { |
---|
1100 | Int64** ppStats = m_iOffsetOrg[iPartIdx]; |
---|
1101 | Int64** ppCount = m_iCount [iPartIdx]; |
---|
1102 | |
---|
1103 | //parameters |
---|
1104 | Int isChroma = (iYCbCr != 0)? 1:0; |
---|
1105 | Int stride = (iYCbCr != 0)?(m_pcPic->getCStride()):(m_pcPic->getStride()); |
---|
1106 | Pel* pPicOrg = getPicYuvAddr (m_pcPic->getPicYuvOrg(), iYCbCr); |
---|
1107 | Pel* pPicRec = getPicYuvAddr(m_pcYuvTmp, iYCbCr); |
---|
1108 | |
---|
1109 | std::vector<NDBFBlockInfo>& vFilterBlocks = *(m_pcPic->getCU(iAddr)->getNDBFilterBlocks()); |
---|
1110 | |
---|
1111 | //variables |
---|
1112 | UInt xPos, yPos, width, height; |
---|
1113 | Bool* pbBorderAvail; |
---|
1114 | UInt posOffset; |
---|
1115 | |
---|
1116 | for(Int i=0; i< vFilterBlocks.size(); i++) |
---|
1117 | { |
---|
1118 | xPos = vFilterBlocks[i].posX >> isChroma; |
---|
1119 | yPos = vFilterBlocks[i].posY >> isChroma; |
---|
1120 | width = vFilterBlocks[i].width >> isChroma; |
---|
1121 | height = vFilterBlocks[i].height >> isChroma; |
---|
1122 | pbBorderAvail = vFilterBlocks[i].isBorderAvailable; |
---|
1123 | |
---|
1124 | posOffset = (yPos* stride) + xPos; |
---|
1125 | |
---|
1126 | #if HHI_INTERVIEW_SKIP |
---|
1127 | if( !m_pcPic->getCU(iAddr)->getRenderable(0 )) |
---|
1128 | { |
---|
1129 | calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail); |
---|
1130 | } |
---|
1131 | #else |
---|
1132 | calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail); |
---|
1133 | #endif |
---|
1134 | } |
---|
1135 | } |
---|
1136 | |
---|
1137 | } |
---|
1138 | |
---|
1139 | /** Calculate SAO statistics for current LCU without non-crossing slice |
---|
1140 | * \param iAddr, iPartIdx, iYCbCr |
---|
1141 | */ |
---|
1142 | Void TEncSampleAdaptiveOffset::calcSaoStatsCuOrg(Int iAddr, Int iPartIdx, Int iYCbCr) |
---|
1143 | { |
---|
1144 | Int x,y; |
---|
1145 | TComDataCU *pTmpCu = m_pcPic->getCU(iAddr); |
---|
1146 | TComSPS *pTmpSPS = m_pcPic->getSlice(0)->getSPS(); |
---|
1147 | |
---|
1148 | Pel* pOrg; |
---|
1149 | Pel* pRec; |
---|
1150 | Int iStride; |
---|
1151 | Int iLcuWidth = pTmpSPS->getMaxCUHeight(); |
---|
1152 | Int iLcuHeight = pTmpSPS->getMaxCUWidth(); |
---|
1153 | UInt uiLPelX = pTmpCu->getCUPelX(); |
---|
1154 | UInt uiTPelY = pTmpCu->getCUPelY(); |
---|
1155 | UInt uiRPelX; |
---|
1156 | UInt uiBPelY; |
---|
1157 | Int64* iStats; |
---|
1158 | Int64* iCount; |
---|
1159 | Int iClassIdx; |
---|
1160 | Int iPicWidthTmp; |
---|
1161 | Int iPicHeightTmp; |
---|
1162 | Int iStartX; |
---|
1163 | Int iStartY; |
---|
1164 | Int iEndX; |
---|
1165 | Int iEndY; |
---|
1166 | |
---|
1167 | Int iIsChroma = (iYCbCr!=0)? 1:0; |
---|
1168 | #if SAO_UNIT_INTERLEAVING |
---|
1169 | Int numSkipLine = iIsChroma? 2:4; |
---|
1170 | if (m_saoInterleavingFlag == 0) |
---|
1171 | { |
---|
1172 | numSkipLine = 0; |
---|
1173 | } |
---|
1174 | #endif |
---|
1175 | |
---|
1176 | iPicWidthTmp = m_iPicWidth >> iIsChroma; |
---|
1177 | iPicHeightTmp = m_iPicHeight >> iIsChroma; |
---|
1178 | iLcuWidth = iLcuWidth >> iIsChroma; |
---|
1179 | iLcuHeight = iLcuHeight >> iIsChroma; |
---|
1180 | uiLPelX = uiLPelX >> iIsChroma; |
---|
1181 | uiTPelY = uiTPelY >> iIsChroma; |
---|
1182 | uiRPelX = uiLPelX + iLcuWidth ; |
---|
1183 | uiBPelY = uiTPelY + iLcuHeight ; |
---|
1184 | uiRPelX = uiRPelX > iPicWidthTmp ? iPicWidthTmp : uiRPelX; |
---|
1185 | uiBPelY = uiBPelY > iPicHeightTmp ? iPicHeightTmp : uiBPelY; |
---|
1186 | iLcuWidth = uiRPelX - uiLPelX; |
---|
1187 | iLcuHeight = uiBPelY - uiTPelY; |
---|
1188 | |
---|
1189 | iStride = (iYCbCr == 0)? m_pcPic->getStride(): m_pcPic->getCStride(); |
---|
1190 | |
---|
1191 | //if(iSaoType == BO_0 || iSaoType == BO_1) |
---|
1192 | #if HHI_INTERVIEW_SKIP |
---|
1193 | if( !m_pcPic->getCU(iAddr)->getRenderable(0) ) |
---|
1194 | #endif |
---|
1195 | { |
---|
1196 | #if SAO_UNIT_INTERLEAVING |
---|
1197 | iStats = m_iOffsetOrg[iPartIdx][SAO_BO]; |
---|
1198 | iCount = m_iCount [iPartIdx][SAO_BO]; |
---|
1199 | #else |
---|
1200 | iStats = m_iOffsetOrg[iPartIdx][SAO_BO_0]; |
---|
1201 | iCount = m_iCount [iPartIdx][SAO_BO_0]; |
---|
1202 | #endif |
---|
1203 | |
---|
1204 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
1205 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
1206 | |
---|
1207 | #if SAO_UNIT_INTERLEAVING |
---|
1208 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight : iLcuHeight-numSkipLine; |
---|
1209 | for (y=0; y<iEndY; y++) |
---|
1210 | #else |
---|
1211 | for (y=0; y<iLcuHeight; y++) |
---|
1212 | #endif |
---|
1213 | { |
---|
1214 | for (x=0; x<iLcuWidth; x++) |
---|
1215 | { |
---|
1216 | #if SAO_UNIT_INTERLEAVING |
---|
1217 | iClassIdx = m_lumaTableBo[pRec[x]]; |
---|
1218 | #else |
---|
1219 | iClassIdx = m_ppLumaTableBo0[pRec[x]]; |
---|
1220 | #endif |
---|
1221 | if (iClassIdx) |
---|
1222 | { |
---|
1223 | iStats[iClassIdx] += (pOrg[x] - pRec[x]); |
---|
1224 | iCount[iClassIdx] ++; |
---|
1225 | } |
---|
1226 | } |
---|
1227 | pOrg += iStride; |
---|
1228 | pRec += iStride; |
---|
1229 | } |
---|
1230 | |
---|
1231 | #if !SAO_UNIT_INTERLEAVING |
---|
1232 | iStats = m_iOffsetOrg[iPartIdx][SAO_BO_1]; |
---|
1233 | iCount = m_iCount [iPartIdx][SAO_BO_1]; |
---|
1234 | |
---|
1235 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
1236 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
1237 | |
---|
1238 | for (y=0; y<iLcuHeight; y++) |
---|
1239 | { |
---|
1240 | for (x=0; x<iLcuWidth; x++) |
---|
1241 | { |
---|
1242 | iClassIdx = m_ppLumaTableBo1[pRec[x]]; |
---|
1243 | if (iClassIdx) |
---|
1244 | { |
---|
1245 | iStats[iClassIdx] += (pOrg[x] - pRec[x]); |
---|
1246 | iCount[iClassIdx] ++; |
---|
1247 | } |
---|
1248 | } |
---|
1249 | pOrg += iStride; |
---|
1250 | pRec += iStride; |
---|
1251 | } |
---|
1252 | #endif |
---|
1253 | } |
---|
1254 | Int iSignLeft; |
---|
1255 | Int iSignRight; |
---|
1256 | Int iSignDown; |
---|
1257 | Int iSignDown1; |
---|
1258 | Int iSignDown2; |
---|
1259 | |
---|
1260 | UInt uiEdgeType; |
---|
1261 | |
---|
1262 | //if (iSaoType == EO_0 || iSaoType == EO_1 || iSaoType == EO_2 || iSaoType == EO_3) |
---|
1263 | #if HHI_INTERVIEW_SKIP |
---|
1264 | if( !m_pcPic->getCU(iAddr)->getRenderable(0) ) |
---|
1265 | #endif |
---|
1266 | { |
---|
1267 | //if (iSaoType == EO_0) |
---|
1268 | { |
---|
1269 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_0]; |
---|
1270 | iCount = m_iCount [iPartIdx][SAO_EO_0]; |
---|
1271 | |
---|
1272 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
1273 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
1274 | |
---|
1275 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
1276 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth; |
---|
1277 | #if SAO_UNIT_INTERLEAVING |
---|
1278 | for (y=0; y<iLcuHeight-numSkipLine; y++) |
---|
1279 | #else |
---|
1280 | for (y=0; y<iLcuHeight; y++) |
---|
1281 | #endif |
---|
1282 | { |
---|
1283 | iSignLeft = xSign(pRec[iStartX] - pRec[iStartX-1]); |
---|
1284 | for (x=iStartX; x< iEndX; x++) |
---|
1285 | { |
---|
1286 | iSignRight = xSign(pRec[x] - pRec[x+1]); |
---|
1287 | uiEdgeType = iSignRight + iSignLeft + 2; |
---|
1288 | iSignLeft = -iSignRight; |
---|
1289 | |
---|
1290 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
1291 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
1292 | } |
---|
1293 | pOrg += iStride; |
---|
1294 | pRec += iStride; |
---|
1295 | } |
---|
1296 | } |
---|
1297 | |
---|
1298 | //if (iSaoType == EO_1) |
---|
1299 | { |
---|
1300 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_1]; |
---|
1301 | iCount = m_iCount [iPartIdx][SAO_EO_1]; |
---|
1302 | |
---|
1303 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
1304 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
1305 | |
---|
1306 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
1307 | #if SAO_UNIT_INTERLEAVING |
---|
1308 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
1309 | #else |
---|
1310 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight; |
---|
1311 | #endif |
---|
1312 | if (uiTPelY == 0) |
---|
1313 | { |
---|
1314 | pOrg += iStride; |
---|
1315 | pRec += iStride; |
---|
1316 | } |
---|
1317 | |
---|
1318 | for (x=0; x< iLcuWidth; x++) |
---|
1319 | { |
---|
1320 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride]); |
---|
1321 | } |
---|
1322 | for (y=iStartY; y<iEndY; y++) |
---|
1323 | { |
---|
1324 | for (x=0; x<iLcuWidth; x++) |
---|
1325 | { |
---|
1326 | iSignDown = xSign(pRec[x] - pRec[x+iStride]); |
---|
1327 | uiEdgeType = iSignDown + m_iUpBuff1[x] + 2; |
---|
1328 | m_iUpBuff1[x] = -iSignDown; |
---|
1329 | |
---|
1330 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
1331 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
1332 | } |
---|
1333 | pOrg += iStride; |
---|
1334 | pRec += iStride; |
---|
1335 | } |
---|
1336 | } |
---|
1337 | //if (iSaoType == EO_2) |
---|
1338 | { |
---|
1339 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_2]; |
---|
1340 | iCount = m_iCount [iPartIdx][SAO_EO_2]; |
---|
1341 | |
---|
1342 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
1343 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
1344 | |
---|
1345 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
1346 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth; |
---|
1347 | |
---|
1348 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
1349 | #if SAO_UNIT_INTERLEAVING |
---|
1350 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
1351 | #else |
---|
1352 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight; |
---|
1353 | #endif |
---|
1354 | if (uiTPelY == 0) |
---|
1355 | { |
---|
1356 | pOrg += iStride; |
---|
1357 | pRec += iStride; |
---|
1358 | } |
---|
1359 | |
---|
1360 | for (x=iStartX; x<iEndX; x++) |
---|
1361 | { |
---|
1362 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride-1]); |
---|
1363 | } |
---|
1364 | for (y=iStartY; y<iEndY; y++) |
---|
1365 | { |
---|
1366 | iSignDown2 = xSign(pRec[iStride+iStartX] - pRec[iStartX-1]); |
---|
1367 | for (x=iStartX; x<iEndX; x++) |
---|
1368 | { |
---|
1369 | iSignDown1 = xSign(pRec[x] - pRec[x+iStride+1]) ; |
---|
1370 | uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2; |
---|
1371 | m_iUpBufft[x+1] = -iSignDown1; |
---|
1372 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
1373 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
1374 | } |
---|
1375 | m_iUpBufft[iStartX] = iSignDown2; |
---|
1376 | ipSwap = m_iUpBuff1; |
---|
1377 | m_iUpBuff1 = m_iUpBufft; |
---|
1378 | m_iUpBufft = ipSwap; |
---|
1379 | |
---|
1380 | pRec += iStride; |
---|
1381 | pOrg += iStride; |
---|
1382 | } |
---|
1383 | } |
---|
1384 | //if (iSaoType == EO_3 ) |
---|
1385 | { |
---|
1386 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_3]; |
---|
1387 | iCount = m_iCount [iPartIdx][SAO_EO_3]; |
---|
1388 | |
---|
1389 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
1390 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
1391 | |
---|
1392 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
1393 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth; |
---|
1394 | |
---|
1395 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
1396 | #if SAO_UNIT_INTERLEAVING |
---|
1397 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
1398 | #else |
---|
1399 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight; |
---|
1400 | #endif |
---|
1401 | if (iStartY == 1) |
---|
1402 | { |
---|
1403 | pOrg += iStride; |
---|
1404 | pRec += iStride; |
---|
1405 | } |
---|
1406 | |
---|
1407 | for (x=iStartX-1; x<iEndX; x++) |
---|
1408 | { |
---|
1409 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride+1]); |
---|
1410 | } |
---|
1411 | |
---|
1412 | for (y=iStartY; y<iEndY; y++) |
---|
1413 | { |
---|
1414 | for (x=iStartX; x<iEndX; x++) |
---|
1415 | { |
---|
1416 | iSignDown1 = xSign(pRec[x] - pRec[x+iStride-1]) ; |
---|
1417 | uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2; |
---|
1418 | m_iUpBuff1[x-1] = -iSignDown1; |
---|
1419 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
1420 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
1421 | } |
---|
1422 | m_iUpBuff1[iEndX-1] = xSign(pRec[iEndX-1 + iStride] - pRec[iEndX]); |
---|
1423 | |
---|
1424 | pRec += iStride; |
---|
1425 | pOrg += iStride; |
---|
1426 | } |
---|
1427 | } |
---|
1428 | } |
---|
1429 | } |
---|
1430 | |
---|
1431 | /** get SAO statistics |
---|
1432 | * \param *psQTPart, iYCbCr |
---|
1433 | */ |
---|
1434 | Void TEncSampleAdaptiveOffset::getSaoStats(SAOQTPart *psQTPart, Int iYCbCr) |
---|
1435 | { |
---|
1436 | Int iLevelIdx, iPartIdx, iTypeIdx, iClassIdx; |
---|
1437 | Int i; |
---|
1438 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
---|
1439 | Int LcuIdxX; |
---|
1440 | Int LcuIdxY; |
---|
1441 | Int iAddr; |
---|
1442 | Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU(); |
---|
1443 | Int iDownPartIdx; |
---|
1444 | Int iPartStart; |
---|
1445 | Int iPartEnd; |
---|
1446 | SAOQTPart* pOnePart; |
---|
1447 | |
---|
1448 | if (m_uiMaxSplitLevel == 0) |
---|
1449 | { |
---|
1450 | iPartIdx = 0; |
---|
1451 | pOnePart = &(psQTPart[iPartIdx]); |
---|
1452 | for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++) |
---|
1453 | { |
---|
1454 | for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++) |
---|
1455 | { |
---|
1456 | iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
---|
1457 | calcSaoStatsCu(iAddr, iPartIdx, iYCbCr); |
---|
1458 | } |
---|
1459 | } |
---|
1460 | } |
---|
1461 | else |
---|
1462 | { |
---|
1463 | for(iPartIdx=m_aiNumCulPartsLevel[m_uiMaxSplitLevel-1]; iPartIdx<m_aiNumCulPartsLevel[m_uiMaxSplitLevel]; iPartIdx++) |
---|
1464 | { |
---|
1465 | pOnePart = &(psQTPart[iPartIdx]); |
---|
1466 | for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++) |
---|
1467 | { |
---|
1468 | for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++) |
---|
1469 | { |
---|
1470 | iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
---|
1471 | calcSaoStatsCu(iAddr, iPartIdx, iYCbCr); |
---|
1472 | } |
---|
1473 | } |
---|
1474 | } |
---|
1475 | for (iLevelIdx = m_uiMaxSplitLevel-1; iLevelIdx>=0; iLevelIdx-- ) |
---|
1476 | { |
---|
1477 | iPartStart = (iLevelIdx > 0) ? m_aiNumCulPartsLevel[iLevelIdx-1] : 0; |
---|
1478 | iPartEnd = m_aiNumCulPartsLevel[iLevelIdx]; |
---|
1479 | |
---|
1480 | for(iPartIdx = iPartStart; iPartIdx < iPartEnd; iPartIdx++) |
---|
1481 | { |
---|
1482 | pOnePart = &(psQTPart[iPartIdx]); |
---|
1483 | for (i=0; i< NUM_DOWN_PART; i++) |
---|
1484 | { |
---|
1485 | iDownPartIdx = pOnePart->DownPartsIdx[i]; |
---|
1486 | for (iTypeIdx=0; iTypeIdx<iNumTotalType; iTypeIdx++) |
---|
1487 | { |
---|
1488 | #if SAO_UNIT_INTERLEAVING |
---|
1489 | for (iClassIdx=0; iClassIdx< (iTypeIdx < SAO_BO ? m_iNumClass[iTypeIdx] : SAO_MAX_BO_CLASSES) +1; iClassIdx++) |
---|
1490 | #else |
---|
1491 | for (iClassIdx=0; iClassIdx<m_iNumClass[iTypeIdx]+1; iClassIdx++) |
---|
1492 | #endif |
---|
1493 | { |
---|
1494 | m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] += m_iOffsetOrg[iDownPartIdx][iTypeIdx][iClassIdx]; |
---|
1495 | m_iCount [iPartIdx][iTypeIdx][iClassIdx] += m_iCount [iDownPartIdx][iTypeIdx][iClassIdx]; |
---|
1496 | } |
---|
1497 | } |
---|
1498 | } |
---|
1499 | } |
---|
1500 | } |
---|
1501 | } |
---|
1502 | } |
---|
1503 | |
---|
1504 | /** reset offset statistics |
---|
1505 | * \param |
---|
1506 | */ |
---|
1507 | Void TEncSampleAdaptiveOffset::resetStats() |
---|
1508 | { |
---|
1509 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
1510 | { |
---|
1511 | m_dCostPartBest[i] = MAX_DOUBLE; |
---|
1512 | m_iTypePartBest[i] = -1; |
---|
1513 | m_iDistOrg[i] = 0; |
---|
1514 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
1515 | { |
---|
1516 | m_iDist[i][j] = 0; |
---|
1517 | m_iRate[i][j] = 0; |
---|
1518 | m_dCost[i][j] = 0; |
---|
1519 | for (Int k=0;k<MAX_NUM_SAO_CLASS;k++) |
---|
1520 | { |
---|
1521 | m_iCount [i][j][k] = 0; |
---|
1522 | m_iOffset[i][j][k] = 0; |
---|
1523 | m_iOffsetOrg[i][j][k] = 0; |
---|
1524 | } |
---|
1525 | } |
---|
1526 | } |
---|
1527 | } |
---|
1528 | |
---|
1529 | #if SAO_CHROMA_LAMBDA |
---|
1530 | /** Sample adaptive offset process |
---|
1531 | * \param pcSaoParam |
---|
1532 | * \param dLambdaLuma |
---|
1533 | * \param dLambdaChroma |
---|
1534 | */ |
---|
1535 | Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma) |
---|
1536 | #else |
---|
1537 | /** Sample adaptive offset process |
---|
1538 | * \param dLambda |
---|
1539 | */ |
---|
1540 | Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambda) |
---|
1541 | #endif |
---|
1542 | { |
---|
1543 | |
---|
1544 | m_eSliceType = m_pcPic->getSlice(0)->getSliceType(); |
---|
1545 | m_iPicNalReferenceIdc = (m_pcPic->getSlice(0)->isReferenced() ? 1 :0); |
---|
1546 | |
---|
1547 | #if SAO_CHROMA_LAMBDA |
---|
1548 | m_dLambdaLuma = dLambdaLuma; |
---|
1549 | m_dLambdaChroma = dLambdaChroma; |
---|
1550 | #else |
---|
1551 | m_dLambdaLuma = dLambda; |
---|
1552 | m_dLambdaChroma = dLambda; |
---|
1553 | #endif |
---|
1554 | |
---|
1555 | if(m_bUseNIF) |
---|
1556 | { |
---|
1557 | m_pcPic->getPicYuvRec()->copyToPic(m_pcYuvTmp); |
---|
1558 | } |
---|
1559 | |
---|
1560 | #if FULL_NBIT |
---|
1561 | m_uiSaoBitIncrease = g_uiBitDepth + (g_uiBitDepth-8) - min((Int)(g_uiBitDepth + (g_uiBitDepth-8)), 10); |
---|
1562 | #else |
---|
1563 | m_uiSaoBitIncrease = g_uiBitDepth + g_uiBitIncrement - min((Int)(g_uiBitDepth + g_uiBitIncrement), 10); |
---|
1564 | #endif |
---|
1565 | |
---|
1566 | const Int iOffsetBitRange8Bit = 4; |
---|
1567 | Int iOffsetBitDepth = g_uiBitDepth + g_uiBitIncrement - m_uiSaoBitIncrease; |
---|
1568 | Int iOffsetBitRange = iOffsetBitRange8Bit + (iOffsetBitDepth - 8); |
---|
1569 | m_iOffsetTh = 1 << (iOffsetBitRange - 1); |
---|
1570 | resetSAOParam(pcSaoParam); |
---|
1571 | resetStats(); |
---|
1572 | |
---|
1573 | Int iY = 0; |
---|
1574 | Double dCostFinal = 0; |
---|
1575 | |
---|
1576 | #if !SAO_UNIT_INTERLEAVING |
---|
1577 | Int iCb = 1; |
---|
1578 | Int iCr = 2; |
---|
1579 | Double dCostFinalCb = 0; |
---|
1580 | Double dCostFinalCr = 0; |
---|
1581 | #endif |
---|
1582 | |
---|
1583 | #if SAO_UNIT_INTERLEAVING |
---|
1584 | if ( m_saoInterleavingFlag) |
---|
1585 | { |
---|
1586 | rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma); |
---|
1587 | } |
---|
1588 | else |
---|
1589 | { |
---|
1590 | pcSaoParam->bSaoFlag[0] = 1; |
---|
1591 | pcSaoParam->bSaoFlag[1] = 0; |
---|
1592 | pcSaoParam->bSaoFlag[2] = 0; |
---|
1593 | for (Int compIdx=0;compIdx<3;compIdx++) |
---|
1594 | { |
---|
1595 | if (pcSaoParam->bSaoFlag[iY]) |
---|
1596 | { |
---|
1597 | dCostFinal = 0; |
---|
1598 | Double lambdaRdo = (compIdx==0 ? dLambdaLuma: dLambdaChroma); |
---|
1599 | resetStats(); |
---|
1600 | getSaoStats(pcSaoParam->psSaoPart[compIdx], compIdx); |
---|
1601 | runQuadTreeDecision(pcSaoParam->psSaoPart[compIdx], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo); |
---|
1602 | pcSaoParam->bSaoFlag[compIdx] = dCostFinal < 0 ? 1:0; |
---|
1603 | if(pcSaoParam->bSaoFlag[compIdx]) |
---|
1604 | { |
---|
1605 | convertQT2SaoUnit(pcSaoParam, 0, compIdx); |
---|
1606 | assignSaoUnitSyntax(pcSaoParam->saoLcuParam[compIdx], pcSaoParam->psSaoPart[compIdx], pcSaoParam->oneUnitFlag[compIdx], compIdx); |
---|
1607 | } |
---|
1608 | } |
---|
1609 | } |
---|
1610 | } |
---|
1611 | for (Int compIdx=0;compIdx<3;compIdx++) |
---|
1612 | { |
---|
1613 | if (pcSaoParam->bSaoFlag[compIdx]) |
---|
1614 | { |
---|
1615 | processSaoUnitAll( pcSaoParam->saoLcuParam[compIdx], pcSaoParam->oneUnitFlag[compIdx], compIdx); |
---|
1616 | } |
---|
1617 | } |
---|
1618 | #else |
---|
1619 | getSaoStats(pcSaoParam->psSaoPart[iY], iY); |
---|
1620 | runQuadTreeDecision(pcSaoParam->psSaoPart[iY], 0, dCostFinal, m_uiMaxSplitLevel, m_dLambdaLuma); |
---|
1621 | pcSaoParam->bSaoFlag[iY] = dCostFinal < m_iDistOrg[0] ? 1:0; |
---|
1622 | if(pcSaoParam->bSaoFlag[iY]) |
---|
1623 | { |
---|
1624 | processSaoQuadTree(pcSaoParam->psSaoPart[iY], 0, 0); |
---|
1625 | |
---|
1626 | resetStats(); |
---|
1627 | getSaoStats(pcSaoParam->psSaoPart[iCb], iCb); |
---|
1628 | runQuadTreeDecision(pcSaoParam->psSaoPart[iCb], 0, dCostFinalCb, m_uiMaxSplitLevel, m_dLambdaChroma); |
---|
1629 | pcSaoParam->bSaoFlag[iCb] = dCostFinalCb < 0 ? 1:0; |
---|
1630 | if (pcSaoParam->bSaoFlag[iCb]) |
---|
1631 | { |
---|
1632 | processSaoQuadTree(pcSaoParam->psSaoPart[iCb], 0, iCb); |
---|
1633 | } |
---|
1634 | |
---|
1635 | resetStats(); |
---|
1636 | getSaoStats(pcSaoParam->psSaoPart[iCr], iCr); |
---|
1637 | runQuadTreeDecision(pcSaoParam->psSaoPart[iCr], 0, dCostFinalCr, m_uiMaxSplitLevel, m_dLambdaChroma); |
---|
1638 | pcSaoParam->bSaoFlag[iCr] = dCostFinalCr < 0 ? 1:0; |
---|
1639 | if (pcSaoParam->bSaoFlag[iCr]) |
---|
1640 | { |
---|
1641 | processSaoQuadTree(pcSaoParam->psSaoPart[iCr], 0, iCr); |
---|
1642 | } |
---|
1643 | } |
---|
1644 | #endif |
---|
1645 | } |
---|
1646 | #if SAO_UNIT_INTERLEAVING |
---|
1647 | /** Check merge SAO unit |
---|
1648 | * \param saoUnitCurr current SAO unit |
---|
1649 | * \param saoUnitCheck SAO unit tobe check |
---|
1650 | * \param dir direction |
---|
1651 | */ |
---|
1652 | Void TEncSampleAdaptiveOffset::checkMerge(SaoLcuParam * saoUnitCurr, SaoLcuParam * saoUnitCheck, Int dir) |
---|
1653 | { |
---|
1654 | Int i ; |
---|
1655 | Int countDiff = 0; |
---|
1656 | if (saoUnitCurr->partIdx != saoUnitCheck->partIdx) |
---|
1657 | { |
---|
1658 | if (saoUnitCurr->typeIdx !=-1) |
---|
1659 | { |
---|
1660 | if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx) |
---|
1661 | { |
---|
1662 | for (i=0;i<saoUnitCurr->length;i++) |
---|
1663 | { |
---|
1664 | countDiff += (saoUnitCurr->offset[i] != saoUnitCheck->offset[i]); |
---|
1665 | } |
---|
1666 | countDiff += (saoUnitCurr->bandPosition != saoUnitCheck->bandPosition); |
---|
1667 | if (countDiff ==0) |
---|
1668 | { |
---|
1669 | saoUnitCurr->partIdx = saoUnitCheck->partIdx; |
---|
1670 | if (dir == 1) |
---|
1671 | { |
---|
1672 | saoUnitCurr->mergeUpFlag = 1; |
---|
1673 | saoUnitCurr->mergeLeftFlag = 0; |
---|
1674 | } |
---|
1675 | else |
---|
1676 | { |
---|
1677 | saoUnitCurr->mergeUpFlag = 0; |
---|
1678 | saoUnitCurr->mergeLeftFlag = 1; |
---|
1679 | } |
---|
1680 | } |
---|
1681 | } |
---|
1682 | } |
---|
1683 | else |
---|
1684 | { |
---|
1685 | if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx) |
---|
1686 | { |
---|
1687 | saoUnitCurr->partIdx = saoUnitCheck->partIdx; |
---|
1688 | if (dir == 1) |
---|
1689 | { |
---|
1690 | saoUnitCurr->mergeUpFlag = 1; |
---|
1691 | saoUnitCurr->mergeLeftFlag = 0; |
---|
1692 | } |
---|
1693 | else |
---|
1694 | { |
---|
1695 | saoUnitCurr->mergeUpFlag = 0; |
---|
1696 | saoUnitCurr->mergeLeftFlag = 1; |
---|
1697 | } |
---|
1698 | } |
---|
1699 | } |
---|
1700 | } |
---|
1701 | } |
---|
1702 | /** Assign SAO unit syntax from picture-based algorithm |
---|
1703 | * \param saoLcuParam SAO LCU parameters |
---|
1704 | * \param saoPart SAO part |
---|
1705 | * \param oneUnitFlag SAO one unit flag |
---|
1706 | * \param iYCbCr color component Index |
---|
1707 | */ |
---|
1708 | Void TEncSampleAdaptiveOffset::assignSaoUnitSyntax(SaoLcuParam* saoLcuParam, SAOQTPart* saoPart, Bool &oneUnitFlag, Int yCbCr) |
---|
1709 | { |
---|
1710 | if (saoPart->bSplit == 0) |
---|
1711 | { |
---|
1712 | oneUnitFlag = 1; |
---|
1713 | } |
---|
1714 | else |
---|
1715 | { |
---|
1716 | Int i,j, addr, addrUp, addrLeft, idx, idxUp, idxLeft, idxCount; |
---|
1717 | Int run; |
---|
1718 | Int runPartBeginAddr=0; |
---|
1719 | Int runPart; |
---|
1720 | Int runPartPrevious; |
---|
1721 | |
---|
1722 | oneUnitFlag = 0; |
---|
1723 | |
---|
1724 | idxCount = -1; |
---|
1725 | saoLcuParam[0].mergeUpFlag = 0; |
---|
1726 | saoLcuParam[0].mergeLeftFlag = 0; |
---|
1727 | |
---|
1728 | for (j=0;j<m_iNumCuInHeight;j++) |
---|
1729 | { |
---|
1730 | run = 0; |
---|
1731 | runPartPrevious = -1; |
---|
1732 | for (i=0;i<m_iNumCuInWidth;i++) |
---|
1733 | { |
---|
1734 | addr = i + j*m_iNumCuInWidth; |
---|
1735 | addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1; |
---|
1736 | addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth; |
---|
1737 | idx = saoLcuParam[addr].partIdxTmp; |
---|
1738 | idxLeft = (addrLeft == -1) ? -1 : saoLcuParam[addrLeft].partIdxTmp; |
---|
1739 | idxUp = (addrUp == -1) ? -1 : saoLcuParam[addrUp].partIdxTmp; |
---|
1740 | |
---|
1741 | if(idx!=idxLeft && idx!=idxUp) |
---|
1742 | { |
---|
1743 | saoLcuParam[addr].mergeUpFlag = 0; idxCount++; |
---|
1744 | saoLcuParam[addr].mergeLeftFlag = 0; |
---|
1745 | saoLcuParam[addr].partIdx = idxCount; |
---|
1746 | } |
---|
1747 | else if (idx==idxLeft) |
---|
1748 | { |
---|
1749 | saoLcuParam[addr].mergeUpFlag = 1; |
---|
1750 | saoLcuParam[addr].mergeLeftFlag = 1; |
---|
1751 | saoLcuParam[addr].partIdx = saoLcuParam[addrLeft].partIdx; |
---|
1752 | } |
---|
1753 | else if (idx==idxUp) |
---|
1754 | { |
---|
1755 | saoLcuParam[addr].mergeUpFlag = 1; |
---|
1756 | saoLcuParam[addr].mergeLeftFlag = 0; |
---|
1757 | saoLcuParam[addr].partIdx = saoLcuParam[addrUp].partIdx; |
---|
1758 | } |
---|
1759 | if (addrUp != -1) |
---|
1760 | { |
---|
1761 | checkMerge(&saoLcuParam[addr], &saoLcuParam[addrUp], 1); |
---|
1762 | } |
---|
1763 | if (addrLeft != -1) |
---|
1764 | { |
---|
1765 | checkMerge(&saoLcuParam[addr], &saoLcuParam[addrLeft], 0); |
---|
1766 | } |
---|
1767 | runPart = saoLcuParam[addr].partIdx; |
---|
1768 | if (runPart == runPartPrevious) |
---|
1769 | { |
---|
1770 | run ++; |
---|
1771 | saoLcuParam[addr].run = -1; |
---|
1772 | saoLcuParam[runPartBeginAddr].run = run; |
---|
1773 | } |
---|
1774 | else |
---|
1775 | { |
---|
1776 | runPartBeginAddr = addr; |
---|
1777 | run = 0; |
---|
1778 | saoLcuParam[addr].run = run; |
---|
1779 | } |
---|
1780 | runPartPrevious = runPart; |
---|
1781 | } |
---|
1782 | } |
---|
1783 | |
---|
1784 | for (j=0;j<m_iNumCuInHeight;j++) |
---|
1785 | { |
---|
1786 | for (i=0;i<m_iNumCuInWidth;i++) |
---|
1787 | { |
---|
1788 | addr = i + j*m_iNumCuInWidth; |
---|
1789 | addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1; |
---|
1790 | addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth; |
---|
1791 | |
---|
1792 | if (saoLcuParam[addr].run == -1) |
---|
1793 | { |
---|
1794 | if (addrLeft != -1) |
---|
1795 | { |
---|
1796 | saoLcuParam[addr].run = saoLcuParam[addrLeft].run-1; |
---|
1797 | } |
---|
1798 | } |
---|
1799 | if (addrUp>=0) |
---|
1800 | { |
---|
1801 | saoLcuParam[addr].runDiff = saoLcuParam[addr].run - saoLcuParam[addrUp].run; |
---|
1802 | } |
---|
1803 | else |
---|
1804 | { |
---|
1805 | saoLcuParam[addr].runDiff = saoLcuParam[addr].run ; |
---|
1806 | } |
---|
1807 | } |
---|
1808 | } |
---|
1809 | } |
---|
1810 | } |
---|
1811 | /** rate distortion optimization of all SAO units |
---|
1812 | * \param saoParam SAO parameters |
---|
1813 | * \param lambda |
---|
1814 | * \param lambdaChroma |
---|
1815 | */ |
---|
1816 | Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma) |
---|
1817 | { |
---|
1818 | |
---|
1819 | Int idxY; |
---|
1820 | Int idxX; |
---|
1821 | Int frameHeightInCU = saoParam->numCuInHeight; |
---|
1822 | Int frameWidthInCU = saoParam->numCuInWidth; |
---|
1823 | Int j, k; |
---|
1824 | Int addr = 0; |
---|
1825 | Int addrUp = -1; |
---|
1826 | Int addrLeft = -1; |
---|
1827 | Int compIdx = 0; |
---|
1828 | Double lambdaComp; |
---|
1829 | |
---|
1830 | saoParam->bSaoFlag[0] = true; |
---|
1831 | saoParam->bSaoFlag[1] = true; |
---|
1832 | saoParam->bSaoFlag[2] = true; |
---|
1833 | saoParam->oneUnitFlag[0] = false; |
---|
1834 | saoParam->oneUnitFlag[1] = false; |
---|
1835 | saoParam->oneUnitFlag[2] = false; |
---|
1836 | |
---|
1837 | |
---|
1838 | for (idxY = 0; idxY< frameHeightInCU; idxY++) |
---|
1839 | { |
---|
1840 | for (idxX = 0; idxX< frameWidthInCU; idxX++) |
---|
1841 | { |
---|
1842 | addr = idxX + frameWidthInCU*idxY; |
---|
1843 | addrUp = addr < frameWidthInCU ? -1:idxX + frameWidthInCU*(idxY-1); |
---|
1844 | addrLeft = idxX == 0 ? -1:idxX-1 + frameWidthInCU*idxY; |
---|
1845 | // reset stats Y, Cb, Cr |
---|
1846 | for ( compIdx=0;compIdx<3;compIdx++) |
---|
1847 | { |
---|
1848 | for ( j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
1849 | { |
---|
1850 | for ( k=0;k< MAX_NUM_SAO_CLASS;k++) |
---|
1851 | { |
---|
1852 | m_iCount [compIdx][j][k] = 0; |
---|
1853 | m_iOffset [compIdx][j][k] = 0; |
---|
1854 | m_iOffsetOrg[compIdx][j][k] = 0; |
---|
1855 | } |
---|
1856 | } |
---|
1857 | saoParam->saoLcuParam[compIdx][addr].typeIdx = -1; |
---|
1858 | saoParam->saoLcuParam[compIdx][addr].mergeUpFlag = 0; |
---|
1859 | saoParam->saoLcuParam[compIdx][addr].run = 0; |
---|
1860 | saoParam->saoLcuParam[compIdx][addr].runDiff = 0; |
---|
1861 | saoParam->saoLcuParam[compIdx][addr].mergeLeftFlag = 0; |
---|
1862 | saoParam->saoLcuParam[compIdx][addr].bandPosition = 0; |
---|
1863 | lambdaComp = compIdx==0 ? lambda : lambdaChroma; |
---|
1864 | calcSaoStatsCu(addr, compIdx, compIdx); |
---|
1865 | rdoSaoUnit (saoParam, addr, addrUp, addrLeft, compIdx, lambdaComp); |
---|
1866 | #if !REMOVE_SAO_LCU_ENC_CONSTRAINTS_3 |
---|
1867 | if (compIdx!=0) |
---|
1868 | { |
---|
1869 | if ( saoParam->saoLcuParam[compIdx][0].typeIdx == -1 ) |
---|
1870 | { |
---|
1871 | saoParam->bSaoFlag[compIdx] = false; |
---|
1872 | } |
---|
1873 | } |
---|
1874 | #endif |
---|
1875 | } |
---|
1876 | } |
---|
1877 | } |
---|
1878 | |
---|
1879 | } |
---|
1880 | /** rate distortion optimization of SAO unit |
---|
1881 | * \param saoParam SAO parameters |
---|
1882 | * \param addr address |
---|
1883 | * \param addrUp above address |
---|
1884 | * \param addrLeft left address |
---|
1885 | * \param yCbCr color component index |
---|
1886 | * \param lambda |
---|
1887 | */ |
---|
1888 | Void TEncSampleAdaptiveOffset::rdoSaoUnit(SAOParam *saoParam, Int addr, Int addrUp, Int addrLeft, Int yCbCr, Double lambda) |
---|
1889 | { |
---|
1890 | Int typeIdx; |
---|
1891 | |
---|
1892 | Int64 estDist; |
---|
1893 | Int64 offsetOrg; |
---|
1894 | Int64 offset; |
---|
1895 | Int64 count; |
---|
1896 | Int classIdx; |
---|
1897 | Int shift = g_uiBitIncrement << 1; |
---|
1898 | // Double dAreaWeight = 0; |
---|
1899 | Double complexityCost = 0; |
---|
1900 | SaoLcuParam* saoLcuParam = NULL; |
---|
1901 | SaoLcuParam* saoLcuParamNeighbor = NULL; |
---|
1902 | Int merge_iOffset [33]; |
---|
1903 | Int64 merge_iDist; |
---|
1904 | Int merge_iRate; |
---|
1905 | Double merge_dCost; |
---|
1906 | Int offsetTh = m_iOffsetTh; |
---|
1907 | |
---|
1908 | saoLcuParam = &(saoParam->saoLcuParam[yCbCr][addr]); |
---|
1909 | |
---|
1910 | saoLcuParam->mergeUpFlag = 0; |
---|
1911 | saoLcuParam->mergeLeftFlag = 0; |
---|
1912 | saoLcuParam->run = 0; |
---|
1913 | saoLcuParam->runDiff= 0; |
---|
1914 | |
---|
1915 | |
---|
1916 | m_iTypePartBest[yCbCr] = -1; |
---|
1917 | m_dCostPartBest[yCbCr] = 0; |
---|
1918 | m_iDistOrg[yCbCr] = 0; |
---|
1919 | |
---|
1920 | Double bestRDCostTableBo = MAX_DOUBLE; |
---|
1921 | Int bestClassTableBo = 0; |
---|
1922 | Int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
---|
1923 | Double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
---|
1924 | Int bestClassTableBoMerge = 0; |
---|
1925 | |
---|
1926 | #if HHI_INTERVIEW_SKIP |
---|
1927 | Bool bRenderable = m_pcPic->getCU(addr)->getRenderable(0) ; |
---|
1928 | #endif |
---|
1929 | for (typeIdx=-1; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++) |
---|
1930 | { |
---|
1931 | m_pcEntropyCoder->resetEntropy(); |
---|
1932 | m_pcEntropyCoder->resetBits(); |
---|
1933 | |
---|
1934 | if (m_saoInterleavingFlag) |
---|
1935 | { |
---|
1936 | #if !REMOVE_SAO_LCU_ENC_CONSTRAINTS_1 |
---|
1937 | if(yCbCr>0 && typeIdx>3 ) |
---|
1938 | { |
---|
1939 | continue; |
---|
1940 | } |
---|
1941 | #endif |
---|
1942 | #if !REMOVE_SAO_LCU_ENC_CONSTRAINTS_2 |
---|
1943 | if (yCbCr>0 ) |
---|
1944 | { |
---|
1945 | offsetTh = 2<<g_uiBitIncrement; |
---|
1946 | } |
---|
1947 | else |
---|
1948 | #endif |
---|
1949 | { |
---|
1950 | offsetTh = m_iOffsetTh; |
---|
1951 | } |
---|
1952 | } |
---|
1953 | |
---|
1954 | estDist = 0; |
---|
1955 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoTypeIdx(typeIdx+1); |
---|
1956 | if (typeIdx>=0) |
---|
1957 | { |
---|
1958 | |
---|
1959 | for(classIdx=1; classIdx < ( (typeIdx < SAO_BO) ? m_iNumClass[typeIdx]+1 : SAO_MAX_BO_CLASSES+1); classIdx++) |
---|
1960 | { |
---|
1961 | if( typeIdx == SAO_BO) |
---|
1962 | { |
---|
1963 | currentDistortionTableBo[classIdx-1] = 0; |
---|
1964 | currentRdCostTableBo[classIdx-1] = lambda; |
---|
1965 | } |
---|
1966 | #if HHI_INTERVIEW_SKIP |
---|
1967 | if(m_iCount [yCbCr][typeIdx][classIdx] && !bRenderable) |
---|
1968 | #else |
---|
1969 | if(m_iCount [yCbCr][typeIdx][classIdx]) |
---|
1970 | #endif |
---|
1971 | { |
---|
1972 | m_iOffset[yCbCr][typeIdx][classIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[yCbCr][typeIdx][classIdx]<<g_uiBitIncrement) / (Double)(m_iCount [yCbCr][typeIdx][classIdx]<<m_uiSaoBitIncrease)); |
---|
1973 | m_iOffset[yCbCr][typeIdx][classIdx] = Clip3(-offsetTh, offsetTh, (Int)m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
1974 | if (typeIdx < 4) |
---|
1975 | { |
---|
1976 | if ( m_iOffset[yCbCr][typeIdx][classIdx]<0 && classIdx<3 ) |
---|
1977 | { |
---|
1978 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
1979 | } |
---|
1980 | if ( m_iOffset[yCbCr][typeIdx][classIdx]>0 && classIdx>=3) |
---|
1981 | { |
---|
1982 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
1983 | } |
---|
1984 | } |
---|
1985 | { |
---|
1986 | //Clean up, best_q_offset. |
---|
1987 | Int64 iIterOffset, iTempOffset; |
---|
1988 | Int64 iTempDist, iTempRate; |
---|
1989 | Double dTempCost, dTempMinCost; |
---|
1990 | UInt uiLength, uiTemp; |
---|
1991 | |
---|
1992 | iIterOffset = m_iOffset[yCbCr][typeIdx][classIdx]; |
---|
1993 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
1994 | dTempMinCost = lambda; // Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here. |
---|
1995 | |
---|
1996 | while (iIterOffset != 0) |
---|
1997 | { |
---|
1998 | // Calculate the bits required for signalling the offset |
---|
1999 | uiLength = 1; |
---|
2000 | uiTemp = (UInt)((iIterOffset <= 0) ? ( (-iIterOffset<<1) + 1 ) : (iIterOffset<<1)); |
---|
2001 | while( 1 != uiTemp ) |
---|
2002 | { |
---|
2003 | uiTemp >>= 1; |
---|
2004 | uiLength += 2; |
---|
2005 | } |
---|
2006 | iTempRate = (uiLength >> 1) + ((uiLength+1) >> 1); |
---|
2007 | |
---|
2008 | // Do the dequntization before distorion calculation |
---|
2009 | iTempOffset = iIterOffset << m_uiSaoBitIncrease; |
---|
2010 | iTempDist = (( m_iCount [yCbCr][typeIdx][classIdx]*iTempOffset*iTempOffset-m_iOffsetOrg[yCbCr][typeIdx][classIdx]*iTempOffset*2 ) >> shift); |
---|
2011 | dTempCost = ((Double)iTempDist + lambda * (Double) iTempRate); |
---|
2012 | if(dTempCost < dTempMinCost) |
---|
2013 | { |
---|
2014 | dTempMinCost = dTempCost; |
---|
2015 | m_iOffset[yCbCr][typeIdx][classIdx] = iIterOffset; |
---|
2016 | if(typeIdx == SAO_BO) |
---|
2017 | { |
---|
2018 | currentDistortionTableBo[classIdx-1] = (Int) iTempDist; |
---|
2019 | currentRdCostTableBo[classIdx-1] = dTempCost; |
---|
2020 | } |
---|
2021 | } |
---|
2022 | iIterOffset = (iIterOffset > 0) ? (iIterOffset-1):(iIterOffset+1); |
---|
2023 | } |
---|
2024 | } |
---|
2025 | |
---|
2026 | } |
---|
2027 | else |
---|
2028 | { |
---|
2029 | m_iOffsetOrg[yCbCr][typeIdx][classIdx] = 0; |
---|
2030 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
2031 | } |
---|
2032 | if( typeIdx != SAO_BO ) |
---|
2033 | { |
---|
2034 | count = m_iCount [yCbCr][typeIdx][classIdx]; |
---|
2035 | offset = m_iOffset[yCbCr][typeIdx][classIdx] << m_uiSaoBitIncrease; |
---|
2036 | offsetOrg = m_iOffsetOrg[yCbCr][typeIdx][classIdx]; |
---|
2037 | #if HHI_INTERVIEW_SKIP |
---|
2038 | if (!bRenderable) |
---|
2039 | { |
---|
2040 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
2041 | } |
---|
2042 | #else |
---|
2043 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
2044 | #endif |
---|
2045 | if (typeIdx < 4) |
---|
2046 | { |
---|
2047 | if (classIdx<3) |
---|
2048 | { |
---|
2049 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
2050 | } |
---|
2051 | else |
---|
2052 | { |
---|
2053 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)-m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
2054 | } |
---|
2055 | } |
---|
2056 | else |
---|
2057 | { |
---|
2058 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
2059 | } |
---|
2060 | } |
---|
2061 | |
---|
2062 | } |
---|
2063 | |
---|
2064 | if( typeIdx == SAO_BO ) |
---|
2065 | { |
---|
2066 | // Estimate Best Position |
---|
2067 | Double currentRDCost = 0.0; |
---|
2068 | |
---|
2069 | for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++) |
---|
2070 | { |
---|
2071 | currentRDCost = 0.0; |
---|
2072 | for(UInt uj = i; uj < i+SAO_BO_LEN; uj++) |
---|
2073 | { |
---|
2074 | currentRDCost += currentRdCostTableBo[uj]; |
---|
2075 | } |
---|
2076 | |
---|
2077 | if( currentRDCost < bestRDCostTableBo) |
---|
2078 | { |
---|
2079 | bestRDCostTableBo = currentRDCost; |
---|
2080 | bestClassTableBo = i; |
---|
2081 | } |
---|
2082 | } |
---|
2083 | |
---|
2084 | // Re code all Offsets |
---|
2085 | // Code Center |
---|
2086 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUflc( (UInt) (bestClassTableBo) ); |
---|
2087 | |
---|
2088 | for(classIdx = bestClassTableBo; classIdx < bestClassTableBo+SAO_BO_LEN; classIdx++) |
---|
2089 | { |
---|
2090 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[yCbCr][typeIdx][classIdx+1]); |
---|
2091 | #if HHI_INTERVIEW_SKIP |
---|
2092 | if (!bRenderable) |
---|
2093 | { |
---|
2094 | estDist += currentDistortionTableBo[classIdx]; |
---|
2095 | } |
---|
2096 | #else |
---|
2097 | estDist += currentDistortionTableBo[classIdx]; |
---|
2098 | #endif |
---|
2099 | } |
---|
2100 | } |
---|
2101 | |
---|
2102 | m_iDist[yCbCr][typeIdx] = estDist; |
---|
2103 | m_iRate[yCbCr][typeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
2104 | |
---|
2105 | m_dCost[yCbCr][typeIdx] = (Double)((Double)m_iDist[yCbCr][typeIdx] + lambda * (Double) m_iRate[yCbCr][typeIdx]); |
---|
2106 | |
---|
2107 | if(m_dCost[yCbCr][typeIdx] < m_dCostPartBest[yCbCr]) |
---|
2108 | { |
---|
2109 | m_iDistOrg [yCbCr] = (Int64)complexityCost; |
---|
2110 | m_dCostPartBest[yCbCr] = m_dCost[yCbCr][typeIdx]; |
---|
2111 | m_iTypePartBest[yCbCr] = typeIdx; |
---|
2112 | } |
---|
2113 | } |
---|
2114 | else |
---|
2115 | { |
---|
2116 | if(m_iDistOrg[yCbCr] < m_dCostPartBest[yCbCr]) |
---|
2117 | { |
---|
2118 | m_dCostPartBest[yCbCr] = (Double) m_iDistOrg[yCbCr] + m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ; |
---|
2119 | m_iTypePartBest[yCbCr] = -1; |
---|
2120 | } |
---|
2121 | } |
---|
2122 | } |
---|
2123 | |
---|
2124 | // merge left or merge up |
---|
2125 | |
---|
2126 | for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++) |
---|
2127 | { |
---|
2128 | saoLcuParamNeighbor = NULL; |
---|
2129 | if (addrLeft>=0 && idxNeighbor ==0) |
---|
2130 | { |
---|
2131 | saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrLeft]); |
---|
2132 | } |
---|
2133 | else if (addrUp>=0 && idxNeighbor ==1) |
---|
2134 | { |
---|
2135 | saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrUp]); |
---|
2136 | } |
---|
2137 | if (saoLcuParamNeighbor!=NULL) |
---|
2138 | { |
---|
2139 | if (saoLcuParamNeighbor->typeIdx>=0) //new |
---|
2140 | { |
---|
2141 | m_pcEntropyCoder->resetEntropy(); |
---|
2142 | m_pcEntropyCoder->resetBits(); |
---|
2143 | |
---|
2144 | estDist = 0; |
---|
2145 | typeIdx = saoLcuParamNeighbor->typeIdx; |
---|
2146 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoFlag(1); |
---|
2147 | if (saoLcuParamNeighbor->typeIdx == SAO_BO) |
---|
2148 | { |
---|
2149 | for(classIdx = saoLcuParamNeighbor->bandPosition+1; classIdx < saoLcuParamNeighbor->bandPosition+SAO_BO_LEN+1; classIdx++) |
---|
2150 | { |
---|
2151 | merge_iOffset[classIdx] = saoLcuParamNeighbor->offset[classIdx-1-saoLcuParamNeighbor->bandPosition]; |
---|
2152 | |
---|
2153 | count = m_iCount [yCbCr][typeIdx][classIdx]; |
---|
2154 | offset = merge_iOffset[classIdx]; |
---|
2155 | offsetOrg = m_iOffsetOrg[yCbCr][typeIdx][classIdx]; |
---|
2156 | #if HHI_INTERVIEW_SKIP |
---|
2157 | if (!bRenderable) |
---|
2158 | { |
---|
2159 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
2160 | } |
---|
2161 | #else |
---|
2162 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
2163 | #endif |
---|
2164 | } |
---|
2165 | } |
---|
2166 | else |
---|
2167 | { |
---|
2168 | for(classIdx=1; classIdx < m_iNumClass[typeIdx]+1; classIdx++) |
---|
2169 | { |
---|
2170 | merge_iOffset[classIdx] = saoLcuParamNeighbor->offset[classIdx-1]; |
---|
2171 | |
---|
2172 | count = m_iCount [yCbCr][typeIdx][classIdx]; |
---|
2173 | offset = merge_iOffset[classIdx]; |
---|
2174 | offsetOrg = m_iOffsetOrg[yCbCr][typeIdx][classIdx]; |
---|
2175 | #if HHI_INTERVIEW_SKIP |
---|
2176 | if (!bRenderable) |
---|
2177 | { |
---|
2178 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
2179 | } |
---|
2180 | #else |
---|
2181 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
2182 | #endif |
---|
2183 | } |
---|
2184 | } |
---|
2185 | merge_iDist = estDist; |
---|
2186 | merge_iRate = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
2187 | merge_dCost = (Double)((Double)merge_iDist + m_dLambdaLuma * (Double) merge_iRate) ; |
---|
2188 | |
---|
2189 | if(merge_dCost < m_dCostPartBest[yCbCr]) |
---|
2190 | { |
---|
2191 | m_iDistOrg [yCbCr] = (Int64)complexityCost; |
---|
2192 | m_dCostPartBest[yCbCr] = merge_dCost; |
---|
2193 | m_iTypePartBest[yCbCr] = typeIdx; |
---|
2194 | if (typeIdx == SAO_BO) |
---|
2195 | { |
---|
2196 | bestClassTableBoMerge = saoLcuParamNeighbor->bandPosition; |
---|
2197 | for(classIdx = saoLcuParamNeighbor->bandPosition+1; classIdx < saoLcuParamNeighbor->bandPosition+SAO_BO_LEN+1; classIdx++) |
---|
2198 | { |
---|
2199 | m_iOffset[yCbCr][typeIdx][classIdx] = merge_iOffset[classIdx]; |
---|
2200 | } |
---|
2201 | } |
---|
2202 | else |
---|
2203 | { |
---|
2204 | for(classIdx=1; classIdx < m_iNumClass[typeIdx]+1; classIdx++) |
---|
2205 | { |
---|
2206 | m_iOffset[yCbCr][typeIdx][classIdx] = merge_iOffset[classIdx]; |
---|
2207 | } |
---|
2208 | } |
---|
2209 | saoLcuParam->mergeUpFlag = idxNeighbor; |
---|
2210 | saoLcuParam->mergeLeftFlag = !idxNeighbor; |
---|
2211 | } |
---|
2212 | } |
---|
2213 | } |
---|
2214 | } |
---|
2215 | |
---|
2216 | saoLcuParam->typeIdx = m_iTypePartBest[yCbCr]; |
---|
2217 | if (saoLcuParam->typeIdx != -1) |
---|
2218 | { |
---|
2219 | saoLcuParam->length = m_iNumClass[saoLcuParam->typeIdx]; |
---|
2220 | Int minIndex = 0; |
---|
2221 | if( saoLcuParam->typeIdx == SAO_BO ) |
---|
2222 | { |
---|
2223 | if ((saoLcuParam->mergeUpFlag )||(saoLcuParam->mergeLeftFlag)) |
---|
2224 | { |
---|
2225 | saoLcuParam->bandPosition = bestClassTableBoMerge; |
---|
2226 | } |
---|
2227 | else |
---|
2228 | { |
---|
2229 | saoLcuParam->bandPosition = bestClassTableBo; |
---|
2230 | } |
---|
2231 | minIndex = saoLcuParam->bandPosition; |
---|
2232 | } |
---|
2233 | for (Int i=0; i< saoLcuParam->length ; i++) |
---|
2234 | { |
---|
2235 | saoLcuParam->offset[i] = (Int) m_iOffset[yCbCr][saoLcuParam->typeIdx][minIndex+i+1]; |
---|
2236 | } |
---|
2237 | } |
---|
2238 | else |
---|
2239 | { |
---|
2240 | saoLcuParam->length = 0; |
---|
2241 | } |
---|
2242 | |
---|
2243 | if (addrUp>=0) |
---|
2244 | { |
---|
2245 | if (saoLcuParam->typeIdx == -1 && saoParam->saoLcuParam[yCbCr][addrUp].typeIdx == -1) |
---|
2246 | { |
---|
2247 | saoLcuParam->mergeUpFlag = 1; |
---|
2248 | saoLcuParam->mergeLeftFlag = 0; |
---|
2249 | } |
---|
2250 | } |
---|
2251 | if (addrLeft>=0) |
---|
2252 | { |
---|
2253 | if (saoLcuParam->typeIdx == -1 && saoParam->saoLcuParam[yCbCr][addrLeft].typeIdx == -1) |
---|
2254 | { |
---|
2255 | saoLcuParam->mergeUpFlag = 0; |
---|
2256 | saoLcuParam->mergeLeftFlag = 1; |
---|
2257 | } |
---|
2258 | } |
---|
2259 | |
---|
2260 | } |
---|
2261 | |
---|
2262 | #endif |
---|
2263 | |
---|
2264 | //! \} |
---|