1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2014, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** |
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35 | \file TEncSampleAdaptiveOffset.cpp |
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36 | \brief estimation part of sample adaptive offset class |
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37 | */ |
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38 | #include "TEncSampleAdaptiveOffset.h" |
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39 | #include <string.h> |
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40 | #include <stdlib.h> |
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41 | #include <stdio.h> |
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42 | #include <math.h> |
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43 | |
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44 | //! \ingroup TLibEncoder |
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45 | //! \{ |
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46 | |
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47 | |
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48 | /** rounding with IBDI |
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49 | * \param x |
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50 | */ |
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51 | inline Double xRoundIbdi2(Int bitDepth, Double x) |
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52 | { |
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53 | return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))) : ((Int)(((Int)(x)-(1<<(bitDepth-8-1)))/(1<<(bitDepth-8)))); |
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54 | } |
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55 | |
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56 | inline Double xRoundIbdi(Int bitDepth, Double x) |
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57 | { |
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58 | return (bitDepth > 8 ? xRoundIbdi2(bitDepth, (x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ; |
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59 | } |
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60 | |
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61 | |
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62 | TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset() |
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63 | { |
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64 | m_pppcRDSbacCoder = NULL; |
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65 | m_pcRDGoOnSbacCoder = NULL; |
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66 | m_pppcBinCoderCABAC = NULL; |
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67 | m_statData = NULL; |
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68 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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69 | m_preDBFstatData = NULL; |
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70 | #endif |
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71 | } |
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72 | |
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73 | TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset() |
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74 | { |
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75 | destroyEncData(); |
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76 | } |
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77 | |
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78 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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79 | Void TEncSampleAdaptiveOffset::createEncData(Bool isPreDBFSamplesUsed) |
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80 | #else |
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81 | Void TEncSampleAdaptiveOffset::createEncData() |
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82 | #endif |
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83 | { |
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84 | |
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85 | //cabac coder for RDO |
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86 | m_pppcRDSbacCoder = new TEncSbac* [NUM_SAO_CABACSTATE_LABELS]; |
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87 | m_pppcBinCoderCABAC = new TEncBinCABACCounter* [NUM_SAO_CABACSTATE_LABELS]; |
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88 | |
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89 | for(Int cs=0; cs < NUM_SAO_CABACSTATE_LABELS; cs++) |
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90 | { |
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91 | m_pppcRDSbacCoder[cs] = new TEncSbac; |
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92 | m_pppcBinCoderCABAC[cs] = new TEncBinCABACCounter; |
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93 | m_pppcRDSbacCoder [cs]->init( m_pppcBinCoderCABAC [cs] ); |
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94 | } |
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95 | |
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96 | |
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97 | //statistics |
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98 | m_statData = new SAOStatData**[m_numCTUsPic]; |
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99 | for(Int i=0; i< m_numCTUsPic; i++) |
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100 | { |
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101 | m_statData[i] = new SAOStatData*[NUM_SAO_COMPONENTS]; |
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102 | for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++) |
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103 | { |
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104 | m_statData[i][compIdx] = new SAOStatData[NUM_SAO_NEW_TYPES]; |
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105 | } |
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106 | } |
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107 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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108 | if(isPreDBFSamplesUsed) |
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109 | { |
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110 | m_preDBFstatData = new SAOStatData**[m_numCTUsPic]; |
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111 | for(Int i=0; i< m_numCTUsPic; i++) |
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112 | { |
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113 | m_preDBFstatData[i] = new SAOStatData*[NUM_SAO_COMPONENTS]; |
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114 | for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++) |
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115 | { |
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116 | m_preDBFstatData[i][compIdx] = new SAOStatData[NUM_SAO_NEW_TYPES]; |
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117 | } |
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118 | } |
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119 | |
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120 | } |
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121 | #endif |
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122 | |
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123 | #if SAO_ENCODING_CHOICE |
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124 | ::memset(m_saoDisabledRate, 0, sizeof(m_saoDisabledRate)); |
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125 | #endif |
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126 | |
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127 | for(Int typeIdc=0; typeIdc < NUM_SAO_NEW_TYPES; typeIdc++) |
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128 | { |
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129 | m_skipLinesR[SAO_Y ][typeIdc]= 5; |
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130 | m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 3; |
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131 | |
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132 | m_skipLinesB[SAO_Y ][typeIdc]= 4; |
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133 | m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 2; |
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134 | |
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135 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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136 | if(isPreDBFSamplesUsed) |
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137 | { |
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138 | switch(typeIdc) |
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139 | { |
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140 | case SAO_TYPE_EO_0: |
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141 | { |
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142 | m_skipLinesR[SAO_Y ][typeIdc]= 5; |
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143 | m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 3; |
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144 | |
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145 | m_skipLinesB[SAO_Y ][typeIdc]= 3; |
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146 | m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 1; |
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147 | } |
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148 | break; |
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149 | case SAO_TYPE_EO_90: |
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150 | { |
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151 | m_skipLinesR[SAO_Y ][typeIdc]= 4; |
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152 | m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 2; |
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153 | |
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154 | m_skipLinesB[SAO_Y ][typeIdc]= 4; |
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155 | m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 2; |
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156 | } |
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157 | break; |
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158 | case SAO_TYPE_EO_135: |
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159 | case SAO_TYPE_EO_45: |
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160 | { |
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161 | m_skipLinesR[SAO_Y ][typeIdc]= 5; |
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162 | m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 3; |
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163 | |
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164 | m_skipLinesB[SAO_Y ][typeIdc]= 4; |
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165 | m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 2; |
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166 | } |
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167 | break; |
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168 | case SAO_TYPE_BO: |
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169 | { |
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170 | m_skipLinesR[SAO_Y ][typeIdc]= 4; |
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171 | m_skipLinesR[SAO_Cb][typeIdc]= m_skipLinesR[SAO_Cr][typeIdc]= 2; |
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172 | |
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173 | m_skipLinesB[SAO_Y ][typeIdc]= 3; |
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174 | m_skipLinesB[SAO_Cb][typeIdc]= m_skipLinesB[SAO_Cr][typeIdc]= 1; |
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175 | } |
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176 | break; |
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177 | default: |
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178 | { |
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179 | printf("Not a supported type"); |
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180 | assert(0); |
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181 | exit(-1); |
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182 | } |
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183 | } |
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184 | } |
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185 | #endif |
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186 | } |
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187 | |
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188 | } |
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189 | |
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190 | Void TEncSampleAdaptiveOffset::destroyEncData() |
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191 | { |
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192 | if(m_pppcRDSbacCoder != NULL) |
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193 | { |
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194 | for (Int cs = 0; cs < NUM_SAO_CABACSTATE_LABELS; cs ++ ) |
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195 | { |
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196 | delete m_pppcRDSbacCoder[cs]; |
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197 | } |
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198 | delete[] m_pppcRDSbacCoder; m_pppcRDSbacCoder = NULL; |
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199 | } |
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200 | |
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201 | if(m_pppcBinCoderCABAC != NULL) |
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202 | { |
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203 | for (Int cs = 0; cs < NUM_SAO_CABACSTATE_LABELS; cs ++ ) |
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204 | { |
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205 | delete m_pppcBinCoderCABAC[cs]; |
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206 | } |
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207 | delete[] m_pppcBinCoderCABAC; m_pppcBinCoderCABAC = NULL; |
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208 | } |
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209 | |
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210 | if(m_statData != NULL) |
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211 | { |
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212 | for(Int i=0; i< m_numCTUsPic; i++) |
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213 | { |
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214 | for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++) |
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215 | { |
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216 | delete[] m_statData[i][compIdx]; |
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217 | } |
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218 | delete[] m_statData[i]; |
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219 | } |
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220 | delete[] m_statData; m_statData = NULL; |
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221 | } |
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222 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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223 | if(m_preDBFstatData != NULL) |
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224 | { |
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225 | for(Int i=0; i< m_numCTUsPic; i++) |
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226 | { |
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227 | for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++) |
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228 | { |
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229 | delete[] m_preDBFstatData[i][compIdx]; |
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230 | } |
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231 | delete[] m_preDBFstatData[i]; |
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232 | } |
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233 | delete[] m_preDBFstatData; m_preDBFstatData = NULL; |
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234 | } |
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235 | |
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236 | #endif |
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237 | } |
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238 | |
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239 | Void TEncSampleAdaptiveOffset::initRDOCabacCoder(TEncSbac* pcRDGoOnSbacCoder, TComSlice* pcSlice) |
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240 | { |
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241 | m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder; |
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242 | m_pcRDGoOnSbacCoder->setSlice(pcSlice); |
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243 | m_pcRDGoOnSbacCoder->resetEntropy(); |
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244 | m_pcRDGoOnSbacCoder->resetBits(); |
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245 | |
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246 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[SAO_CABACSTATE_PIC_INIT]); |
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247 | } |
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248 | |
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249 | |
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250 | |
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251 | Void TEncSampleAdaptiveOffset::SAOProcess(TComPic* pPic, Bool* sliceEnabled, const Double *lambdas |
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252 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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253 | , Bool isPreDBFSamplesUsed |
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254 | #endif |
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255 | ) |
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256 | { |
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257 | TComPicYuv* orgYuv= pPic->getPicYuvOrg(); |
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258 | TComPicYuv* resYuv= pPic->getPicYuvRec(); |
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259 | m_lambda[SAO_Y]= lambdas[0]; m_lambda[SAO_Cb]= lambdas[1]; m_lambda[SAO_Cr]= lambdas[2]; |
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260 | TComPicYuv* srcYuv = m_tempPicYuv; |
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261 | resYuv->copyToPic(srcYuv); |
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262 | srcYuv->setBorderExtension(false); |
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263 | srcYuv->extendPicBorder(); |
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264 | |
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265 | //collect statistics |
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266 | getStatistics(m_statData, orgYuv, srcYuv, pPic); |
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267 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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268 | if(isPreDBFSamplesUsed) |
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269 | { |
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270 | addPreDBFStatistics(m_statData); |
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271 | } |
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272 | #endif |
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273 | //slice on/off |
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274 | decidePicParams(sliceEnabled, pPic->getSlice(0)->getDepth()); |
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275 | |
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276 | //block on/off |
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277 | SAOBlkParam* reconParams = new SAOBlkParam[m_numCTUsPic]; //temporary parameter buffer for storing reconstructed SAO parameters |
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278 | decideBlkParams(pPic, sliceEnabled, m_statData, srcYuv, resYuv, reconParams, pPic->getPicSym()->getSAOBlkParam()); |
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279 | delete[] reconParams; |
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280 | |
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281 | } |
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282 | |
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283 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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284 | Void TEncSampleAdaptiveOffset::getPreDBFStatistics(TComPic* pPic) |
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285 | { |
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286 | getStatistics(m_preDBFstatData, pPic->getPicYuvOrg(), pPic->getPicYuvRec(), pPic, true); |
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287 | } |
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288 | |
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289 | Void TEncSampleAdaptiveOffset::addPreDBFStatistics(SAOStatData*** blkStats) |
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290 | { |
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291 | for(Int n=0; n< m_numCTUsPic; n++) |
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292 | { |
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293 | for(Int compIdx=0; compIdx < NUM_SAO_COMPONENTS; compIdx++) |
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294 | { |
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295 | for(Int typeIdc=0; typeIdc < NUM_SAO_NEW_TYPES; typeIdc++) |
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296 | { |
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297 | blkStats[n][compIdx][typeIdc] += m_preDBFstatData[n][compIdx][typeIdc]; |
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298 | } |
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299 | } |
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300 | } |
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301 | } |
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302 | |
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303 | #endif |
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304 | |
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305 | Void TEncSampleAdaptiveOffset::getStatistics(SAOStatData*** blkStats, TComPicYuv* orgYuv, TComPicYuv* srcYuv, TComPic* pPic |
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306 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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307 | , Bool isCalculatePreDeblockSamples |
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308 | #endif |
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309 | ) |
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310 | { |
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311 | Bool isLeftAvail,isRightAvail,isAboveAvail,isBelowAvail,isAboveLeftAvail,isAboveRightAvail,isBelowLeftAvail,isBelowRightAvail; |
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312 | |
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313 | for(Int ctu= 0; ctu < m_numCTUsPic; ctu++) |
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314 | { |
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315 | Int yPos = (ctu / m_numCTUInWidth)*m_maxCUHeight; |
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316 | Int xPos = (ctu % m_numCTUInWidth)*m_maxCUWidth; |
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317 | Int height = (yPos + m_maxCUHeight > m_picHeight)?(m_picHeight- yPos):m_maxCUHeight; |
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318 | Int width = (xPos + m_maxCUWidth > m_picWidth )?(m_picWidth - xPos):m_maxCUWidth; |
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319 | |
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320 | pPic->getPicSym()->deriveLoopFilterBoundaryAvailibility(ctu, isLeftAvail,isRightAvail,isAboveAvail,isBelowAvail,isAboveLeftAvail,isAboveRightAvail,isBelowLeftAvail,isBelowRightAvail); |
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321 | |
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322 | //NOTE: The number of skipped lines during gathering CTU statistics depends on the slice boundary availabilities. |
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323 | //For simplicity, here only picture boundaries are considered. |
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324 | |
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325 | isRightAvail = (xPos + m_maxCUWidth < m_picWidth ); |
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326 | isBelowAvail = (yPos + m_maxCUHeight < m_picHeight); |
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327 | isBelowRightAvail = (isRightAvail && isBelowAvail); |
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328 | isBelowLeftAvail = ((xPos > 0) && (isBelowAvail)); |
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329 | isAboveRightAvail = ((yPos > 0) && (isRightAvail)); |
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330 | |
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331 | for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++) |
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332 | { |
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333 | Bool isLuma = (compIdx == SAO_Y); |
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334 | Int formatShift= isLuma?0:1; |
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335 | |
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336 | Int srcStride = isLuma?srcYuv->getStride():srcYuv->getCStride(); |
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337 | Pel* srcBlk = getPicBuf(srcYuv, compIdx)+ (yPos >> formatShift)*srcStride+ (xPos >> formatShift); |
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338 | |
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339 | Int orgStride = isLuma?orgYuv->getStride():orgYuv->getCStride(); |
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340 | Pel* orgBlk = getPicBuf(orgYuv, compIdx)+ (yPos >> formatShift)*orgStride+ (xPos >> formatShift); |
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341 | |
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342 | getBlkStats(compIdx, blkStats[ctu][compIdx] |
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343 | , srcBlk, orgBlk, srcStride, orgStride, (width >> formatShift), (height >> formatShift) |
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344 | , isLeftAvail, isRightAvail, isAboveAvail, isBelowAvail, isAboveLeftAvail, isAboveRightAvail, isBelowLeftAvail, isBelowRightAvail |
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345 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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346 | , isCalculatePreDeblockSamples |
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347 | #endif |
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348 | ); |
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349 | |
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350 | } |
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351 | } |
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352 | } |
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353 | |
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354 | Void TEncSampleAdaptiveOffset::decidePicParams(Bool* sliceEnabled, Int picTempLayer) |
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355 | { |
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356 | //decide sliceEnabled[compIdx] |
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357 | for (Int compIdx=0; compIdx<NUM_SAO_COMPONENTS; compIdx++) |
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358 | { |
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359 | // reset flags & counters |
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360 | sliceEnabled[compIdx] = true; |
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361 | |
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362 | #if SAO_ENCODING_CHOICE |
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363 | #if SAO_ENCODING_CHOICE_CHROMA |
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364 | // decide slice-level on/off based on previous results |
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365 | if( (picTempLayer > 0) |
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366 | && (m_saoDisabledRate[compIdx][picTempLayer-1] > ((compIdx==SAO_Y) ? SAO_ENCODING_RATE : SAO_ENCODING_RATE_CHROMA)) ) |
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367 | { |
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368 | sliceEnabled[compIdx] = false; |
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369 | } |
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370 | #else |
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371 | // decide slice-level on/off based on previous results |
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372 | if( (picTempLayer > 0) |
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373 | && (m_saoDisabledRate[SAO_Y][0] > SAO_ENCODING_RATE) ) |
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374 | { |
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375 | sliceEnabled[compIdx] = false; |
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376 | } |
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377 | #endif |
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378 | #endif |
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379 | } |
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380 | } |
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381 | |
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382 | Int64 TEncSampleAdaptiveOffset::getDistortion(Int ctu, Int compIdx, Int typeIdc, Int typeAuxInfo, Int* invQuantOffset, SAOStatData& statData) |
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383 | { |
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384 | Int64 dist=0; |
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385 | Int inputBitDepth = (compIdx == SAO_Y) ? g_bitDepthY : g_bitDepthC ; |
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386 | Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(inputBitDepth-8); |
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387 | |
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388 | switch(typeIdc) |
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389 | { |
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390 | case SAO_TYPE_EO_0: |
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391 | case SAO_TYPE_EO_90: |
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392 | case SAO_TYPE_EO_135: |
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393 | case SAO_TYPE_EO_45: |
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394 | { |
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395 | for (Int offsetIdx=0; offsetIdx<NUM_SAO_EO_CLASSES; offsetIdx++) |
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396 | { |
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397 | dist += estSaoDist( statData.count[offsetIdx], invQuantOffset[offsetIdx], statData.diff[offsetIdx], shift); |
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398 | } |
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399 | } |
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400 | break; |
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401 | case SAO_TYPE_BO: |
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402 | { |
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403 | for (Int offsetIdx=typeAuxInfo; offsetIdx<typeAuxInfo+4; offsetIdx++) |
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404 | { |
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405 | Int bandIdx = offsetIdx % NUM_SAO_BO_CLASSES ; |
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406 | dist += estSaoDist( statData.count[bandIdx], invQuantOffset[bandIdx], statData.diff[bandIdx], shift); |
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407 | } |
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408 | } |
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409 | break; |
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410 | default: |
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411 | { |
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412 | printf("Not a supported type"); |
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413 | assert(0); |
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414 | exit(-1); |
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415 | } |
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416 | } |
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417 | |
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418 | return dist; |
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419 | } |
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420 | |
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421 | inline Int64 TEncSampleAdaptiveOffset::estSaoDist(Int64 count, Int64 offset, Int64 diffSum, Int shift) |
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422 | { |
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423 | return (( count*offset*offset-diffSum*offset*2 ) >> shift); |
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424 | } |
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425 | |
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426 | |
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427 | inline Int TEncSampleAdaptiveOffset::estIterOffset(Int typeIdx, Int classIdx, Double lambda, Int offsetInput, Int64 count, Int64 diffSum, Int shift, Int bitIncrease, Int64& bestDist, Double& bestCost, Int offsetTh ) |
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428 | { |
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429 | Int iterOffset, tempOffset; |
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430 | Int64 tempDist, tempRate; |
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431 | Double tempCost, tempMinCost; |
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432 | Int offsetOutput = 0; |
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433 | iterOffset = offsetInput; |
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434 | // 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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435 | tempMinCost = lambda; |
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436 | while (iterOffset != 0) |
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437 | { |
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438 | // Calculate the bits required for signaling the offset |
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439 | tempRate = (typeIdx == SAO_TYPE_BO) ? (abs((Int)iterOffset)+2) : (abs((Int)iterOffset)+1); |
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440 | if (abs((Int)iterOffset)==offsetTh) //inclusive |
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441 | { |
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442 | tempRate --; |
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443 | } |
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444 | // Do the dequantization before distortion calculation |
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445 | tempOffset = iterOffset << bitIncrease; |
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446 | tempDist = estSaoDist( count, tempOffset, diffSum, shift); |
---|
447 | tempCost = ((Double)tempDist + lambda * (Double) tempRate); |
---|
448 | if(tempCost < tempMinCost) |
---|
449 | { |
---|
450 | tempMinCost = tempCost; |
---|
451 | offsetOutput = iterOffset; |
---|
452 | bestDist = tempDist; |
---|
453 | bestCost = tempCost; |
---|
454 | } |
---|
455 | iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1); |
---|
456 | } |
---|
457 | return offsetOutput; |
---|
458 | } |
---|
459 | |
---|
460 | |
---|
461 | Void TEncSampleAdaptiveOffset::deriveOffsets(Int ctu, Int compIdx, Int typeIdc, SAOStatData& statData, Int* quantOffsets, Int& typeAuxInfo) |
---|
462 | { |
---|
463 | Int bitDepth = (compIdx== SAO_Y) ? g_bitDepthY : g_bitDepthC; |
---|
464 | Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(bitDepth-8); |
---|
465 | Int offsetTh = g_saoMaxOffsetQVal[compIdx]; //inclusive |
---|
466 | |
---|
467 | ::memset(quantOffsets, 0, sizeof(Int)*MAX_NUM_SAO_CLASSES); |
---|
468 | |
---|
469 | //derive initial offsets |
---|
470 | Int numClasses = (typeIdc == SAO_TYPE_BO)?((Int)NUM_SAO_BO_CLASSES):((Int)NUM_SAO_EO_CLASSES); |
---|
471 | for(Int classIdx=0; classIdx< numClasses; classIdx++) |
---|
472 | { |
---|
473 | if( (typeIdc != SAO_TYPE_BO) && (classIdx==SAO_CLASS_EO_PLAIN) ) |
---|
474 | { |
---|
475 | continue; //offset will be zero |
---|
476 | } |
---|
477 | |
---|
478 | if(statData.count[classIdx] == 0) |
---|
479 | { |
---|
480 | continue; //offset will be zero |
---|
481 | } |
---|
482 | |
---|
483 | quantOffsets[classIdx] = (Int) xRoundIbdi(bitDepth, (Double)( statData.diff[classIdx]<<(bitDepth-8)) |
---|
484 | / |
---|
485 | (Double)( statData.count[classIdx]<< m_offsetStepLog2[compIdx]) |
---|
486 | ); |
---|
487 | quantOffsets[classIdx] = Clip3(-offsetTh, offsetTh, quantOffsets[classIdx]); |
---|
488 | } |
---|
489 | |
---|
490 | // adjust offsets |
---|
491 | switch(typeIdc) |
---|
492 | { |
---|
493 | case SAO_TYPE_EO_0: |
---|
494 | case SAO_TYPE_EO_90: |
---|
495 | case SAO_TYPE_EO_135: |
---|
496 | case SAO_TYPE_EO_45: |
---|
497 | { |
---|
498 | Int64 classDist; |
---|
499 | Double classCost; |
---|
500 | for(Int classIdx=0; classIdx<NUM_SAO_EO_CLASSES; classIdx++) |
---|
501 | { |
---|
502 | if(classIdx==SAO_CLASS_EO_FULL_VALLEY && quantOffsets[classIdx] < 0) quantOffsets[classIdx] =0; |
---|
503 | if(classIdx==SAO_CLASS_EO_HALF_VALLEY && quantOffsets[classIdx] < 0) quantOffsets[classIdx] =0; |
---|
504 | if(classIdx==SAO_CLASS_EO_HALF_PEAK && quantOffsets[classIdx] > 0) quantOffsets[classIdx] =0; |
---|
505 | if(classIdx==SAO_CLASS_EO_FULL_PEAK && quantOffsets[classIdx] > 0) quantOffsets[classIdx] =0; |
---|
506 | |
---|
507 | if( quantOffsets[classIdx] != 0 ) //iterative adjustment only when derived offset is not zero |
---|
508 | { |
---|
509 | quantOffsets[classIdx] = estIterOffset( typeIdc, classIdx, m_lambda[compIdx], quantOffsets[classIdx], statData.count[classIdx], statData.diff[classIdx], shift, m_offsetStepLog2[compIdx], classDist , classCost , offsetTh ); |
---|
510 | } |
---|
511 | } |
---|
512 | |
---|
513 | typeAuxInfo =0; |
---|
514 | } |
---|
515 | break; |
---|
516 | case SAO_TYPE_BO: |
---|
517 | { |
---|
518 | Int64 distBOClasses[NUM_SAO_BO_CLASSES]; |
---|
519 | Double costBOClasses[NUM_SAO_BO_CLASSES]; |
---|
520 | ::memset(distBOClasses, 0, sizeof(Int64)*NUM_SAO_BO_CLASSES); |
---|
521 | for(Int classIdx=0; classIdx< NUM_SAO_BO_CLASSES; classIdx++) |
---|
522 | { |
---|
523 | costBOClasses[classIdx]= m_lambda[compIdx]; |
---|
524 | if( quantOffsets[classIdx] != 0 ) //iterative adjustment only when derived offset is not zero |
---|
525 | { |
---|
526 | quantOffsets[classIdx] = estIterOffset( typeIdc, classIdx, m_lambda[compIdx], quantOffsets[classIdx], statData.count[classIdx], statData.diff[classIdx], shift, m_offsetStepLog2[compIdx], distBOClasses[classIdx], costBOClasses[classIdx], offsetTh ); |
---|
527 | } |
---|
528 | } |
---|
529 | |
---|
530 | //decide the starting band index |
---|
531 | Double minCost = MAX_DOUBLE, cost; |
---|
532 | for(Int band=0; band< NUM_SAO_BO_CLASSES- 4+ 1; band++) |
---|
533 | { |
---|
534 | cost = costBOClasses[band ]; |
---|
535 | cost += costBOClasses[band+1]; |
---|
536 | cost += costBOClasses[band+2]; |
---|
537 | cost += costBOClasses[band+3]; |
---|
538 | |
---|
539 | if(cost < minCost) |
---|
540 | { |
---|
541 | minCost = cost; |
---|
542 | typeAuxInfo = band; |
---|
543 | } |
---|
544 | } |
---|
545 | //clear those unused classes |
---|
546 | Int clearQuantOffset[NUM_SAO_BO_CLASSES]; |
---|
547 | ::memset(clearQuantOffset, 0, sizeof(Int)*NUM_SAO_BO_CLASSES); |
---|
548 | for(Int i=0; i< 4; i++) |
---|
549 | { |
---|
550 | Int band = (typeAuxInfo+i)%NUM_SAO_BO_CLASSES; |
---|
551 | clearQuantOffset[band] = quantOffsets[band]; |
---|
552 | } |
---|
553 | ::memcpy(quantOffsets, clearQuantOffset, sizeof(Int)*NUM_SAO_BO_CLASSES); |
---|
554 | } |
---|
555 | break; |
---|
556 | default: |
---|
557 | { |
---|
558 | printf("Not a supported type"); |
---|
559 | assert(0); |
---|
560 | exit(-1); |
---|
561 | } |
---|
562 | |
---|
563 | } |
---|
564 | |
---|
565 | |
---|
566 | } |
---|
567 | |
---|
568 | |
---|
569 | Void TEncSampleAdaptiveOffset::deriveModeNewRDO(Int ctu, std::vector<SAOBlkParam*>& mergeList, Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel) |
---|
570 | { |
---|
571 | Double minCost, cost; |
---|
572 | Int rate; |
---|
573 | UInt previousWrittenBits; |
---|
574 | Int64 dist[NUM_SAO_COMPONENTS], modeDist[NUM_SAO_COMPONENTS]; |
---|
575 | SAOOffset testOffset[NUM_SAO_COMPONENTS]; |
---|
576 | Int compIdx; |
---|
577 | Int invQuantOffset[MAX_NUM_SAO_CLASSES]; |
---|
578 | |
---|
579 | modeDist[SAO_Y]= modeDist[SAO_Cb] = modeDist[SAO_Cr] = 0; |
---|
580 | |
---|
581 | //pre-encode merge flags |
---|
582 | modeParam[SAO_Y ].modeIdc = SAO_MODE_OFF; |
---|
583 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]); |
---|
584 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), true); |
---|
585 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
586 | |
---|
587 | //------ luma --------// |
---|
588 | compIdx = SAO_Y; |
---|
589 | //"off" case as initial cost |
---|
590 | modeParam[compIdx].modeIdc = SAO_MODE_OFF; |
---|
591 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
592 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, modeParam[compIdx], sliceEnabled[compIdx]); |
---|
593 | modeDist[compIdx] = 0; |
---|
594 | minCost= m_lambda[compIdx]*((Double)m_pcRDGoOnSbacCoder->getNumberOfWrittenBits()); |
---|
595 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
596 | if(sliceEnabled[compIdx]) |
---|
597 | { |
---|
598 | for(Int typeIdc=0; typeIdc< NUM_SAO_NEW_TYPES; typeIdc++) |
---|
599 | { |
---|
600 | testOffset[compIdx].modeIdc = SAO_MODE_NEW; |
---|
601 | testOffset[compIdx].typeIdc = typeIdc; |
---|
602 | |
---|
603 | //derive coded offset |
---|
604 | deriveOffsets(ctu, compIdx, typeIdc, blkStats[ctu][compIdx][typeIdc], testOffset[compIdx].offset, testOffset[compIdx].typeAuxInfo); |
---|
605 | |
---|
606 | //inversed quantized offsets |
---|
607 | invertQuantOffsets(compIdx, typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, testOffset[compIdx].offset); |
---|
608 | |
---|
609 | //get distortion |
---|
610 | dist[compIdx] = getDistortion(ctu, compIdx, testOffset[compIdx].typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, blkStats[ctu][compIdx][typeIdc]); |
---|
611 | |
---|
612 | //get rate |
---|
613 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
614 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
615 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, testOffset[compIdx], sliceEnabled[compIdx]); |
---|
616 | rate = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
617 | cost = (Double)dist[compIdx] + m_lambda[compIdx]*((Double)rate); |
---|
618 | if(cost < minCost) |
---|
619 | { |
---|
620 | minCost = cost; |
---|
621 | modeDist[compIdx] = dist[compIdx]; |
---|
622 | modeParam[compIdx]= testOffset[compIdx]; |
---|
623 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
624 | } |
---|
625 | } |
---|
626 | } |
---|
627 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
628 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
629 | |
---|
630 | //------ chroma --------// |
---|
631 | //"off" case as initial cost |
---|
632 | cost = 0; |
---|
633 | previousWrittenBits = 0; |
---|
634 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
635 | for (Int component = SAO_Cb; component < NUM_SAO_COMPONENTS; component++) |
---|
636 | { |
---|
637 | modeParam[component].modeIdc = SAO_MODE_OFF; |
---|
638 | modeDist [component] = 0; |
---|
639 | |
---|
640 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(component, modeParam[component], sliceEnabled[component]); |
---|
641 | |
---|
642 | const UInt currentWrittenBits = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
643 | cost += m_lambda[component] * (currentWrittenBits - previousWrittenBits); |
---|
644 | previousWrittenBits = currentWrittenBits; |
---|
645 | } |
---|
646 | |
---|
647 | minCost = cost; |
---|
648 | |
---|
649 | //doesn't need to store cabac status here since the whole CTU parameters will be re-encoded at the end of this function |
---|
650 | |
---|
651 | for(Int typeIdc=0; typeIdc< NUM_SAO_NEW_TYPES; typeIdc++) |
---|
652 | { |
---|
653 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
654 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
655 | previousWrittenBits = 0; |
---|
656 | cost = 0; |
---|
657 | |
---|
658 | for(compIdx= SAO_Cb; compIdx< NUM_SAO_COMPONENTS; compIdx++) |
---|
659 | { |
---|
660 | if(!sliceEnabled[compIdx]) |
---|
661 | { |
---|
662 | testOffset[compIdx].modeIdc = SAO_MODE_OFF; |
---|
663 | dist[compIdx]= 0; |
---|
664 | continue; |
---|
665 | } |
---|
666 | testOffset[compIdx].modeIdc = SAO_MODE_NEW; |
---|
667 | testOffset[compIdx].typeIdc = typeIdc; |
---|
668 | |
---|
669 | //derive offset & get distortion |
---|
670 | deriveOffsets(ctu, compIdx, typeIdc, blkStats[ctu][compIdx][typeIdc], testOffset[compIdx].offset, testOffset[compIdx].typeAuxInfo); |
---|
671 | invertQuantOffsets(compIdx, typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, testOffset[compIdx].offset); |
---|
672 | dist[compIdx]= getDistortion(ctu, compIdx, typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, blkStats[ctu][compIdx][typeIdc]); |
---|
673 | |
---|
674 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, testOffset[compIdx], sliceEnabled[compIdx]); |
---|
675 | |
---|
676 | const UInt currentWrittenBits = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
677 | cost += dist[compIdx] + (m_lambda[compIdx] * (currentWrittenBits - previousWrittenBits)); |
---|
678 | previousWrittenBits = currentWrittenBits; |
---|
679 | } |
---|
680 | |
---|
681 | if(cost < minCost) |
---|
682 | { |
---|
683 | minCost = cost; |
---|
684 | for(compIdx= SAO_Cb; compIdx< NUM_SAO_COMPONENTS; compIdx++) |
---|
685 | { |
---|
686 | modeDist [compIdx] = dist [compIdx]; |
---|
687 | modeParam[compIdx] = testOffset[compIdx]; |
---|
688 | } |
---|
689 | } |
---|
690 | } |
---|
691 | |
---|
692 | |
---|
693 | //----- re-gen rate & normalized cost----// |
---|
694 | modeNormCost = 0; |
---|
695 | for(UInt component = SAO_Y; component < NUM_SAO_COMPONENTS; component++) |
---|
696 | { |
---|
697 | modeNormCost += (Double)modeDist[component] / m_lambda[component]; |
---|
698 | } |
---|
699 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]); |
---|
700 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
701 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false); |
---|
702 | modeNormCost += (Double)m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
703 | |
---|
704 | } |
---|
705 | |
---|
706 | Void TEncSampleAdaptiveOffset::deriveModeMergeRDO(Int ctu, std::vector<SAOBlkParam*>& mergeList, Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel) |
---|
707 | { |
---|
708 | Int mergeListSize = (Int)mergeList.size(); |
---|
709 | modeNormCost = MAX_DOUBLE; |
---|
710 | |
---|
711 | Double cost; |
---|
712 | SAOBlkParam testBlkParam; |
---|
713 | |
---|
714 | for(Int mergeType=0; mergeType< mergeListSize; mergeType++) |
---|
715 | { |
---|
716 | if(mergeList[mergeType] == NULL) |
---|
717 | { |
---|
718 | continue; |
---|
719 | } |
---|
720 | |
---|
721 | testBlkParam = *(mergeList[mergeType]); |
---|
722 | //normalized distortion |
---|
723 | Double normDist=0; |
---|
724 | for(Int compIdx=0; compIdx< NUM_SAO_COMPONENTS; compIdx++) |
---|
725 | { |
---|
726 | testBlkParam[compIdx].modeIdc = SAO_MODE_MERGE; |
---|
727 | testBlkParam[compIdx].typeIdc = mergeType; |
---|
728 | |
---|
729 | SAOOffset& mergedOffsetParam = (*(mergeList[mergeType]))[compIdx]; |
---|
730 | |
---|
731 | if( mergedOffsetParam.modeIdc != SAO_MODE_OFF) |
---|
732 | { |
---|
733 | //offsets have been reconstructed. Don't call inversed quantization function. |
---|
734 | normDist += (((Double)getDistortion(ctu, compIdx, mergedOffsetParam.typeIdc, mergedOffsetParam.typeAuxInfo, mergedOffsetParam.offset, blkStats[ctu][compIdx][mergedOffsetParam.typeIdc])) |
---|
735 | /m_lambda[compIdx] |
---|
736 | ); |
---|
737 | } |
---|
738 | |
---|
739 | } |
---|
740 | |
---|
741 | //rate |
---|
742 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]); |
---|
743 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
744 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(testBlkParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false); |
---|
745 | Int rate = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
746 | |
---|
747 | cost = normDist+(Double)rate; |
---|
748 | |
---|
749 | if(cost < modeNormCost) |
---|
750 | { |
---|
751 | modeNormCost = cost; |
---|
752 | modeParam = testBlkParam; |
---|
753 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
754 | } |
---|
755 | } |
---|
756 | |
---|
757 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
758 | |
---|
759 | |
---|
760 | } |
---|
761 | |
---|
762 | Void TEncSampleAdaptiveOffset::decideBlkParams(TComPic* pic, Bool* sliceEnabled, SAOStatData*** blkStats, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam* reconParams, SAOBlkParam* codedParams) |
---|
763 | { |
---|
764 | Bool isAllBlksDisabled = false; |
---|
765 | if(!sliceEnabled[SAO_Y] && !sliceEnabled[SAO_Cb] && !sliceEnabled[SAO_Cr]) |
---|
766 | { |
---|
767 | isAllBlksDisabled = true; |
---|
768 | } |
---|
769 | |
---|
770 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[ SAO_CABACSTATE_PIC_INIT ]); |
---|
771 | |
---|
772 | SAOBlkParam modeParam; |
---|
773 | Double minCost, modeCost; |
---|
774 | |
---|
775 | for(Int ctu=0; ctu< m_numCTUsPic; ctu++) |
---|
776 | { |
---|
777 | if(isAllBlksDisabled) |
---|
778 | { |
---|
779 | codedParams[ctu].reset(); |
---|
780 | continue; |
---|
781 | } |
---|
782 | |
---|
783 | m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_CUR ]); |
---|
784 | |
---|
785 | //get merge list |
---|
786 | std::vector<SAOBlkParam*> mergeList; |
---|
787 | getMergeList(pic, ctu, reconParams, mergeList); |
---|
788 | |
---|
789 | minCost = MAX_DOUBLE; |
---|
790 | for(Int mode=0; mode < NUM_SAO_MODES; mode++) |
---|
791 | { |
---|
792 | switch(mode) |
---|
793 | { |
---|
794 | case SAO_MODE_OFF: |
---|
795 | { |
---|
796 | continue; //not necessary, since all-off case will be tested in SAO_MODE_NEW case. |
---|
797 | } |
---|
798 | break; |
---|
799 | case SAO_MODE_NEW: |
---|
800 | { |
---|
801 | deriveModeNewRDO(ctu, mergeList, sliceEnabled, blkStats, modeParam, modeCost, m_pppcRDSbacCoder, SAO_CABACSTATE_BLK_CUR); |
---|
802 | |
---|
803 | } |
---|
804 | break; |
---|
805 | case SAO_MODE_MERGE: |
---|
806 | { |
---|
807 | deriveModeMergeRDO(ctu, mergeList, sliceEnabled, blkStats , modeParam, modeCost, m_pppcRDSbacCoder, SAO_CABACSTATE_BLK_CUR); |
---|
808 | } |
---|
809 | break; |
---|
810 | default: |
---|
811 | { |
---|
812 | printf("Not a supported SAO mode\n"); |
---|
813 | assert(0); |
---|
814 | exit(-1); |
---|
815 | } |
---|
816 | } |
---|
817 | |
---|
818 | if(modeCost < minCost) |
---|
819 | { |
---|
820 | minCost = modeCost; |
---|
821 | codedParams[ctu] = modeParam; |
---|
822 | m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_NEXT ]); |
---|
823 | |
---|
824 | } |
---|
825 | } //mode |
---|
826 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_NEXT ]); |
---|
827 | |
---|
828 | //apply reconstructed offsets |
---|
829 | reconParams[ctu] = codedParams[ctu]; |
---|
830 | reconstructBlkSAOParam(reconParams[ctu], mergeList); |
---|
831 | offsetCTU(ctu, srcYuv, resYuv, reconParams[ctu], pic); |
---|
832 | } //ctu |
---|
833 | |
---|
834 | #if SAO_ENCODING_CHOICE |
---|
835 | Int picTempLayer = pic->getSlice(0)->getDepth(); |
---|
836 | Int numLcusForSAOOff[NUM_SAO_COMPONENTS]; |
---|
837 | numLcusForSAOOff[SAO_Y ] = numLcusForSAOOff[SAO_Cb]= numLcusForSAOOff[SAO_Cr]= 0; |
---|
838 | |
---|
839 | for (Int compIdx=0; compIdx<NUM_SAO_COMPONENTS; compIdx++) |
---|
840 | { |
---|
841 | for(Int ctu=0; ctu< m_numCTUsPic; ctu++) |
---|
842 | { |
---|
843 | if( reconParams[ctu][compIdx].modeIdc == SAO_MODE_OFF) |
---|
844 | { |
---|
845 | numLcusForSAOOff[compIdx]++; |
---|
846 | } |
---|
847 | } |
---|
848 | } |
---|
849 | #if SAO_ENCODING_CHOICE_CHROMA |
---|
850 | for (Int compIdx=0; compIdx<NUM_SAO_COMPONENTS; compIdx++) |
---|
851 | { |
---|
852 | m_saoDisabledRate[compIdx][picTempLayer] = (Double)numLcusForSAOOff[compIdx]/(Double)m_numCTUsPic; |
---|
853 | } |
---|
854 | #else |
---|
855 | if (picTempLayer == 0) |
---|
856 | { |
---|
857 | m_saoDisabledRate[SAO_Y][0] = (Double)(numLcusForSAOOff[SAO_Y]+numLcusForSAOOff[SAO_Cb]+numLcusForSAOOff[SAO_Cr])/(Double)(m_numCTUsPic*3); |
---|
858 | } |
---|
859 | #endif |
---|
860 | #endif |
---|
861 | } |
---|
862 | |
---|
863 | |
---|
864 | Void TEncSampleAdaptiveOffset::getBlkStats(Int compIdx, SAOStatData* statsDataTypes |
---|
865 | , Pel* srcBlk, Pel* orgBlk, Int srcStride, Int orgStride, Int width, Int height |
---|
866 | , Bool isLeftAvail, Bool isRightAvail, Bool isAboveAvail, Bool isBelowAvail, Bool isAboveLeftAvail, Bool isAboveRightAvail, Bool isBelowLeftAvail, Bool isBelowRightAvail |
---|
867 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
868 | , Bool isCalculatePreDeblockSamples |
---|
869 | #endif |
---|
870 | ) |
---|
871 | { |
---|
872 | if(m_lineBufWidth != m_maxCUWidth) |
---|
873 | { |
---|
874 | m_lineBufWidth = m_maxCUWidth; |
---|
875 | |
---|
876 | if (m_signLineBuf1) delete[] m_signLineBuf1; m_signLineBuf1 = NULL; |
---|
877 | m_signLineBuf1 = new Char[m_lineBufWidth+1]; |
---|
878 | |
---|
879 | if (m_signLineBuf2) delete[] m_signLineBuf2; m_signLineBuf2 = NULL; |
---|
880 | m_signLineBuf2 = new Char[m_lineBufWidth+1]; |
---|
881 | } |
---|
882 | |
---|
883 | Int x,y, startX, startY, endX, endY, edgeType, firstLineStartX, firstLineEndX; |
---|
884 | Char signLeft, signRight, signDown; |
---|
885 | Int64 *diff, *count; |
---|
886 | Pel *srcLine, *orgLine; |
---|
887 | Int* skipLinesR = m_skipLinesR[compIdx]; |
---|
888 | Int* skipLinesB = m_skipLinesB[compIdx]; |
---|
889 | |
---|
890 | for(Int typeIdx=0; typeIdx< NUM_SAO_NEW_TYPES; typeIdx++) |
---|
891 | { |
---|
892 | SAOStatData& statsData= statsDataTypes[typeIdx]; |
---|
893 | statsData.reset(); |
---|
894 | |
---|
895 | srcLine = srcBlk; |
---|
896 | orgLine = orgBlk; |
---|
897 | diff = statsData.diff; |
---|
898 | count = statsData.count; |
---|
899 | switch(typeIdx) |
---|
900 | { |
---|
901 | case SAO_TYPE_EO_0: |
---|
902 | { |
---|
903 | diff +=2; |
---|
904 | count+=2; |
---|
905 | endY = (isBelowAvail) ? (height - skipLinesB[typeIdx]) : height; |
---|
906 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
907 | startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1) |
---|
908 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
909 | ; |
---|
910 | #else |
---|
911 | startX = isLeftAvail ? 0 : 1; |
---|
912 | #endif |
---|
913 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
914 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
915 | : (isRightAvail ? width : (width - 1)) |
---|
916 | ; |
---|
917 | #else |
---|
918 | endX = isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1); |
---|
919 | #endif |
---|
920 | for (y=0; y<endY; y++) |
---|
921 | { |
---|
922 | #if SAO_SGN_FUNC |
---|
923 | signLeft = (Char)sgn(srcLine[startX] - srcLine[startX-1]); |
---|
924 | #else |
---|
925 | signLeft = (Char)m_sign[srcLine[startX] - srcLine[startX-1]]; |
---|
926 | #endif |
---|
927 | for (x=startX; x<endX; x++) |
---|
928 | { |
---|
929 | #if SAO_SGN_FUNC |
---|
930 | signRight = (Char)sgn(srcLine[x] - srcLine[x+1]); |
---|
931 | #else |
---|
932 | signRight = (Char)m_sign[srcLine[x] - srcLine[x+1]]; |
---|
933 | #endif |
---|
934 | edgeType = signRight + signLeft; |
---|
935 | signLeft = -signRight; |
---|
936 | |
---|
937 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
938 | count[edgeType] ++; |
---|
939 | } |
---|
940 | srcLine += srcStride; |
---|
941 | orgLine += orgStride; |
---|
942 | } |
---|
943 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
944 | if(isCalculatePreDeblockSamples) |
---|
945 | { |
---|
946 | if(isBelowAvail) |
---|
947 | { |
---|
948 | startX = isLeftAvail ? 0 : 1; |
---|
949 | endX = isRightAvail ? width : (width -1); |
---|
950 | |
---|
951 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
952 | { |
---|
953 | #if SAO_SGN_FUNC |
---|
954 | signLeft = (Char)sgn(srcLine[startX] - srcLine[startX-1]); |
---|
955 | #else |
---|
956 | signLeft = (Char)m_sign[srcLine[startX] - srcLine[startX-1]]; |
---|
957 | #endif |
---|
958 | for (x=startX; x<endX; x++) |
---|
959 | { |
---|
960 | #if SAO_SGN_FUNC |
---|
961 | signRight = (Char)sgn(srcLine[x] - srcLine[x+1]); |
---|
962 | #else |
---|
963 | signRight = (Char)m_sign[srcLine[x] - srcLine[x+1]]; |
---|
964 | #endif |
---|
965 | edgeType = signRight + signLeft; |
---|
966 | signLeft = -signRight; |
---|
967 | |
---|
968 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
969 | count[edgeType] ++; |
---|
970 | } |
---|
971 | srcLine += srcStride; |
---|
972 | orgLine += orgStride; |
---|
973 | } |
---|
974 | } |
---|
975 | } |
---|
976 | #endif |
---|
977 | } |
---|
978 | break; |
---|
979 | case SAO_TYPE_EO_90: |
---|
980 | { |
---|
981 | diff +=2; |
---|
982 | count+=2; |
---|
983 | Char *signUpLine = m_signLineBuf1; |
---|
984 | |
---|
985 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
986 | startX = (!isCalculatePreDeblockSamples) ? 0 |
---|
987 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : width) |
---|
988 | ; |
---|
989 | #endif |
---|
990 | startY = isAboveAvail ? 0 : 1; |
---|
991 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
992 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : width) |
---|
993 | : width |
---|
994 | ; |
---|
995 | #else |
---|
996 | endX = isRightAvail ? (width - skipLinesR[typeIdx]) : width ; |
---|
997 | #endif |
---|
998 | endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1); |
---|
999 | if (!isAboveAvail) |
---|
1000 | { |
---|
1001 | srcLine += srcStride; |
---|
1002 | orgLine += orgStride; |
---|
1003 | } |
---|
1004 | |
---|
1005 | Pel* srcLineAbove = srcLine - srcStride; |
---|
1006 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1007 | for (x=startX; x<endX; x++) |
---|
1008 | #else |
---|
1009 | for (x=0; x< endX; x++) |
---|
1010 | #endif |
---|
1011 | { |
---|
1012 | #if SAO_SGN_FUNC |
---|
1013 | signUpLine[x] = (Char)sgn(srcLine[x] - srcLineAbove[x]); |
---|
1014 | #else |
---|
1015 | signUpLine[x] = (Char)m_sign[srcLine[x] - srcLineAbove[x]]; |
---|
1016 | #endif |
---|
1017 | } |
---|
1018 | |
---|
1019 | Pel* srcLineBelow; |
---|
1020 | for (y=startY; y<endY; y++) |
---|
1021 | { |
---|
1022 | srcLineBelow = srcLine + srcStride; |
---|
1023 | |
---|
1024 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1025 | for (x=startX; x<endX; x++) |
---|
1026 | #else |
---|
1027 | for (x=0; x<endX; x++) |
---|
1028 | #endif |
---|
1029 | { |
---|
1030 | #if SAO_SGN_FUNC |
---|
1031 | signDown = (Char)sgn(srcLine[x] - srcLineBelow[x]); |
---|
1032 | #else |
---|
1033 | signDown = (Char)m_sign[srcLine[x] - srcLineBelow[x]]; |
---|
1034 | #endif |
---|
1035 | edgeType = signDown + signUpLine[x]; |
---|
1036 | signUpLine[x]= -signDown; |
---|
1037 | |
---|
1038 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1039 | count[edgeType] ++; |
---|
1040 | } |
---|
1041 | srcLine += srcStride; |
---|
1042 | orgLine += orgStride; |
---|
1043 | } |
---|
1044 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1045 | if(isCalculatePreDeblockSamples) |
---|
1046 | { |
---|
1047 | if(isBelowAvail) |
---|
1048 | { |
---|
1049 | startX = 0; |
---|
1050 | endX = width; |
---|
1051 | |
---|
1052 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
1053 | { |
---|
1054 | srcLineBelow = srcLine + srcStride; |
---|
1055 | srcLineAbove = srcLine - srcStride; |
---|
1056 | |
---|
1057 | for (x=startX; x<endX; x++) |
---|
1058 | { |
---|
1059 | #if SAO_SGN_FUNC |
---|
1060 | edgeType = sgn(srcLine[x] - srcLineBelow[x]) + sgn(srcLine[x] - srcLineAbove[x]); |
---|
1061 | #else |
---|
1062 | edgeType = m_sign[srcLine[x] - srcLineBelow[x]] + m_sign[srcLine[x] - srcLineAbove[x]]; |
---|
1063 | #endif |
---|
1064 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1065 | count[edgeType] ++; |
---|
1066 | } |
---|
1067 | srcLine += srcStride; |
---|
1068 | orgLine += orgStride; |
---|
1069 | } |
---|
1070 | } |
---|
1071 | } |
---|
1072 | #endif |
---|
1073 | |
---|
1074 | } |
---|
1075 | break; |
---|
1076 | case SAO_TYPE_EO_135: |
---|
1077 | { |
---|
1078 | diff +=2; |
---|
1079 | count+=2; |
---|
1080 | Char *signUpLine, *signDownLine, *signTmpLine; |
---|
1081 | |
---|
1082 | signUpLine = m_signLineBuf1; |
---|
1083 | signDownLine= m_signLineBuf2; |
---|
1084 | |
---|
1085 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1086 | startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1) |
---|
1087 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
1088 | ; |
---|
1089 | #else |
---|
1090 | startX = isLeftAvail ? 0 : 1 ; |
---|
1091 | #endif |
---|
1092 | |
---|
1093 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1094 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1)) |
---|
1095 | : (isRightAvail ? width : (width - 1)) |
---|
1096 | ; |
---|
1097 | #else |
---|
1098 | endX = isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1); |
---|
1099 | #endif |
---|
1100 | endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1); |
---|
1101 | |
---|
1102 | //prepare 2nd line's upper sign |
---|
1103 | Pel* srcLineBelow = srcLine + srcStride; |
---|
1104 | for (x=startX; x<endX+1; x++) |
---|
1105 | { |
---|
1106 | #if SAO_SGN_FUNC |
---|
1107 | signUpLine[x] = (Char)sgn(srcLineBelow[x] - srcLine[x-1]); |
---|
1108 | #else |
---|
1109 | signUpLine[x] = (Char)m_sign[srcLineBelow[x] - srcLine[x-1]]; |
---|
1110 | #endif |
---|
1111 | } |
---|
1112 | |
---|
1113 | //1st line |
---|
1114 | Pel* srcLineAbove = srcLine - srcStride; |
---|
1115 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1116 | firstLineStartX = (!isCalculatePreDeblockSamples) ? (isAboveLeftAvail ? 0 : 1) : startX; |
---|
1117 | firstLineEndX = (!isCalculatePreDeblockSamples) ? (isAboveAvail ? endX : 1) : endX; |
---|
1118 | #else |
---|
1119 | firstLineStartX = isAboveLeftAvail ? 0 : 1; |
---|
1120 | firstLineEndX = isAboveAvail ? endX : 1; |
---|
1121 | #endif |
---|
1122 | for(x=firstLineStartX; x<firstLineEndX; x++) |
---|
1123 | { |
---|
1124 | #if SAO_SGN_FUNC |
---|
1125 | edgeType = sgn(srcLine[x] - srcLineAbove[x-1]) - signUpLine[x+1]; |
---|
1126 | #else |
---|
1127 | edgeType = m_sign[srcLine[x] - srcLineAbove[x-1]] - signUpLine[x+1]; |
---|
1128 | #endif |
---|
1129 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1130 | count[edgeType] ++; |
---|
1131 | } |
---|
1132 | srcLine += srcStride; |
---|
1133 | orgLine += orgStride; |
---|
1134 | |
---|
1135 | |
---|
1136 | //middle lines |
---|
1137 | for (y=1; y<endY; y++) |
---|
1138 | { |
---|
1139 | srcLineBelow = srcLine + srcStride; |
---|
1140 | |
---|
1141 | for (x=startX; x<endX; x++) |
---|
1142 | { |
---|
1143 | #if SAO_SGN_FUNC |
---|
1144 | signDown = (Char)sgn(srcLine[x] - srcLineBelow[x+1]); |
---|
1145 | #else |
---|
1146 | signDown = (Char)m_sign[srcLine[x] - srcLineBelow[x+1]] ; |
---|
1147 | #endif |
---|
1148 | edgeType = signDown + signUpLine[x]; |
---|
1149 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1150 | count[edgeType] ++; |
---|
1151 | |
---|
1152 | signDownLine[x+1] = -signDown; |
---|
1153 | } |
---|
1154 | #if SAO_SGN_FUNC |
---|
1155 | signDownLine[startX] = (Char)sgn(srcLineBelow[startX] - srcLine[startX-1]); |
---|
1156 | #else |
---|
1157 | signDownLine[startX] = (Char)m_sign[srcLineBelow[startX] - srcLine[startX-1]]; |
---|
1158 | #endif |
---|
1159 | |
---|
1160 | signTmpLine = signUpLine; |
---|
1161 | signUpLine = signDownLine; |
---|
1162 | signDownLine = signTmpLine; |
---|
1163 | |
---|
1164 | srcLine += srcStride; |
---|
1165 | orgLine += orgStride; |
---|
1166 | } |
---|
1167 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1168 | if(isCalculatePreDeblockSamples) |
---|
1169 | { |
---|
1170 | if(isBelowAvail) |
---|
1171 | { |
---|
1172 | startX = isLeftAvail ? 0 : 1 ; |
---|
1173 | endX = isRightAvail ? width : (width -1); |
---|
1174 | |
---|
1175 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
1176 | { |
---|
1177 | srcLineBelow = srcLine + srcStride; |
---|
1178 | srcLineAbove = srcLine - srcStride; |
---|
1179 | |
---|
1180 | for (x=startX; x< endX; x++) |
---|
1181 | { |
---|
1182 | #if SAO_SGN_FUNC |
---|
1183 | edgeType = sgn(srcLine[x] - srcLineBelow[x+1]) + sgn(srcLine[x] - srcLineAbove[x-1]); |
---|
1184 | #else |
---|
1185 | edgeType = m_sign[srcLine[x] - srcLineBelow[x+1]] + m_sign[srcLine[x] - srcLineAbove[x-1]]; |
---|
1186 | #endif |
---|
1187 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1188 | count[edgeType] ++; |
---|
1189 | } |
---|
1190 | srcLine += srcStride; |
---|
1191 | orgLine += orgStride; |
---|
1192 | } |
---|
1193 | } |
---|
1194 | } |
---|
1195 | #endif |
---|
1196 | } |
---|
1197 | break; |
---|
1198 | case SAO_TYPE_EO_45: |
---|
1199 | { |
---|
1200 | diff +=2; |
---|
1201 | count+=2; |
---|
1202 | Char *signUpLine = m_signLineBuf1+1; |
---|
1203 | |
---|
1204 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1205 | startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1) |
---|
1206 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
1207 | ; |
---|
1208 | #else |
---|
1209 | startX = isLeftAvail ? 0 : 1; |
---|
1210 | #endif |
---|
1211 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1212 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
1213 | : (isRightAvail ? width : (width - 1)) |
---|
1214 | ; |
---|
1215 | #else |
---|
1216 | endX = isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1); |
---|
1217 | #endif |
---|
1218 | endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1); |
---|
1219 | |
---|
1220 | //prepare 2nd line upper sign |
---|
1221 | Pel* srcLineBelow = srcLine + srcStride; |
---|
1222 | for (x=startX-1; x<endX; x++) |
---|
1223 | { |
---|
1224 | #if SAO_SGN_FUNC |
---|
1225 | signUpLine[x] = (Char)sgn(srcLineBelow[x] - srcLine[x+1]); |
---|
1226 | #else |
---|
1227 | signUpLine[x] = (Char)m_sign[srcLineBelow[x] - srcLine[x+1]]; |
---|
1228 | #endif |
---|
1229 | } |
---|
1230 | |
---|
1231 | |
---|
1232 | //first line |
---|
1233 | Pel* srcLineAbove = srcLine - srcStride; |
---|
1234 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1235 | firstLineStartX = (!isCalculatePreDeblockSamples) ? (isAboveAvail ? startX : endX) |
---|
1236 | : startX |
---|
1237 | ; |
---|
1238 | firstLineEndX = (!isCalculatePreDeblockSamples) ? ((!isRightAvail && isAboveRightAvail) ? width : endX) |
---|
1239 | : endX |
---|
1240 | ; |
---|
1241 | #else |
---|
1242 | firstLineStartX = isAboveAvail ? startX : endX; |
---|
1243 | firstLineEndX = (!isRightAvail && isAboveRightAvail) ? width : endX; |
---|
1244 | #endif |
---|
1245 | for(x=firstLineStartX; x<firstLineEndX; x++) |
---|
1246 | { |
---|
1247 | #if SAO_SGN_FUNC |
---|
1248 | edgeType = sgn(srcLine[x] - srcLineAbove[x+1]) - signUpLine[x-1]; |
---|
1249 | #else |
---|
1250 | edgeType = m_sign[srcLine[x] - srcLineAbove[x+1]] - signUpLine[x-1]; |
---|
1251 | #endif |
---|
1252 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1253 | count[edgeType] ++; |
---|
1254 | } |
---|
1255 | |
---|
1256 | srcLine += srcStride; |
---|
1257 | orgLine += orgStride; |
---|
1258 | |
---|
1259 | //middle lines |
---|
1260 | for (y=1; y<endY; y++) |
---|
1261 | { |
---|
1262 | srcLineBelow = srcLine + srcStride; |
---|
1263 | |
---|
1264 | for(x=startX; x<endX; x++) |
---|
1265 | { |
---|
1266 | #if SAO_SGN_FUNC |
---|
1267 | signDown = (Char)sgn(srcLine[x] - srcLineBelow[x-1]); |
---|
1268 | #else |
---|
1269 | signDown = (Char)m_sign[srcLine[x] - srcLineBelow[x-1]] ; |
---|
1270 | #endif |
---|
1271 | edgeType = signDown + signUpLine[x]; |
---|
1272 | |
---|
1273 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1274 | count[edgeType] ++; |
---|
1275 | |
---|
1276 | signUpLine[x-1] = -signDown; |
---|
1277 | } |
---|
1278 | #if SAO_SGN_FUNC |
---|
1279 | signUpLine[endX-1] = (Char)sgn(srcLineBelow[endX-1] - srcLine[endX]); |
---|
1280 | #else |
---|
1281 | signUpLine[endX-1] = (Char)m_sign[srcLineBelow[endX-1] - srcLine[endX]]; |
---|
1282 | #endif |
---|
1283 | srcLine += srcStride; |
---|
1284 | orgLine += orgStride; |
---|
1285 | } |
---|
1286 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1287 | if(isCalculatePreDeblockSamples) |
---|
1288 | { |
---|
1289 | if(isBelowAvail) |
---|
1290 | { |
---|
1291 | startX = isLeftAvail ? 0 : 1 ; |
---|
1292 | endX = isRightAvail ? width : (width -1); |
---|
1293 | |
---|
1294 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
1295 | { |
---|
1296 | srcLineBelow = srcLine + srcStride; |
---|
1297 | srcLineAbove = srcLine - srcStride; |
---|
1298 | |
---|
1299 | for (x=startX; x<endX; x++) |
---|
1300 | { |
---|
1301 | #if SAO_SGN_FUNC |
---|
1302 | edgeType = sgn(srcLine[x] - srcLineBelow[x-1]) + sgn(srcLine[x] - srcLineAbove[x+1]); |
---|
1303 | #else |
---|
1304 | edgeType = m_sign[srcLine[x] - srcLineBelow[x-1]] + m_sign[srcLine[x] - srcLineAbove[x+1]]; |
---|
1305 | #endif |
---|
1306 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
1307 | count[edgeType] ++; |
---|
1308 | } |
---|
1309 | srcLine += srcStride; |
---|
1310 | orgLine += orgStride; |
---|
1311 | } |
---|
1312 | } |
---|
1313 | } |
---|
1314 | #endif |
---|
1315 | } |
---|
1316 | break; |
---|
1317 | case SAO_TYPE_BO: |
---|
1318 | { |
---|
1319 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1320 | startX = (!isCalculatePreDeblockSamples)?0 |
---|
1321 | :( isRightAvail?(width- skipLinesR[typeIdx]):width) |
---|
1322 | ; |
---|
1323 | endX = (!isCalculatePreDeblockSamples)?(isRightAvail ? (width - skipLinesR[typeIdx]) : width ) |
---|
1324 | :width |
---|
1325 | ; |
---|
1326 | #else |
---|
1327 | endX = isRightAvail ? (width- skipLinesR[typeIdx]) : width; |
---|
1328 | #endif |
---|
1329 | endY = isBelowAvail ? (height- skipLinesB[typeIdx]) : height; |
---|
1330 | Int shiftBits = ((compIdx == SAO_Y)?g_bitDepthY:g_bitDepthC)- NUM_SAO_BO_CLASSES_LOG2; |
---|
1331 | for (y=0; y< endY; y++) |
---|
1332 | { |
---|
1333 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1334 | for (x=startX; x< endX; x++) |
---|
1335 | #else |
---|
1336 | for (x=0; x< endX; x++) |
---|
1337 | #endif |
---|
1338 | { |
---|
1339 | |
---|
1340 | Int bandIdx= srcLine[x] >> shiftBits; |
---|
1341 | diff [bandIdx] += (orgLine[x] - srcLine[x]); |
---|
1342 | count[bandIdx] ++; |
---|
1343 | } |
---|
1344 | srcLine += srcStride; |
---|
1345 | orgLine += orgStride; |
---|
1346 | } |
---|
1347 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
1348 | if(isCalculatePreDeblockSamples) |
---|
1349 | { |
---|
1350 | if(isBelowAvail) |
---|
1351 | { |
---|
1352 | startX = 0; |
---|
1353 | endX = width; |
---|
1354 | |
---|
1355 | for(y= 0; y< skipLinesB[typeIdx]; y++) |
---|
1356 | { |
---|
1357 | for (x=startX; x< endX; x++) |
---|
1358 | { |
---|
1359 | Int bandIdx= srcLine[x] >> shiftBits; |
---|
1360 | diff [bandIdx] += (orgLine[x] - srcLine[x]); |
---|
1361 | count[bandIdx] ++; |
---|
1362 | } |
---|
1363 | srcLine += srcStride; |
---|
1364 | orgLine += orgStride; |
---|
1365 | |
---|
1366 | } |
---|
1367 | |
---|
1368 | } |
---|
1369 | } |
---|
1370 | #endif |
---|
1371 | } |
---|
1372 | break; |
---|
1373 | default: |
---|
1374 | { |
---|
1375 | printf("Not a supported SAO types\n"); |
---|
1376 | assert(0); |
---|
1377 | exit(-1); |
---|
1378 | } |
---|
1379 | } |
---|
1380 | } |
---|
1381 | } |
---|
1382 | |
---|
1383 | //! \} |
---|