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) 2010-2016, 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 TEncRateCtrl.h |
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35 | \brief Rate control manager class |
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36 | */ |
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37 | |
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38 | #ifndef __TENCRATECTRL__ |
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39 | #define __TENCRATECTRL__ |
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40 | |
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41 | #if _MSC_VER > 1000 |
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42 | #pragma once |
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43 | #endif // _MSC_VER > 1000 |
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44 | |
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45 | |
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46 | #include "../TLibCommon/CommonDef.h" |
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47 | #include "../TLibCommon/TComDataCU.h" |
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48 | |
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49 | #include <vector> |
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50 | #include <algorithm> |
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51 | |
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52 | using namespace std; |
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53 | |
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54 | //! \ingroup TLibEncoder |
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55 | //! \{ |
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56 | |
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57 | #include "../TLibEncoder/TEncCfg.h" |
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58 | #include <list> |
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59 | #include <cassert> |
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60 | |
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61 | const Int g_RCInvalidQPValue = -999; |
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62 | const Int g_RCSmoothWindowSize = 40; |
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63 | const Int g_RCMaxPicListSize = 32; |
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64 | const Double g_RCWeightPicTargetBitInGOP = 0.9; |
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65 | const Double g_RCWeightPicRargetBitInBuffer = 1.0 - g_RCWeightPicTargetBitInGOP; |
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66 | const Int g_RCIterationNum = 20; |
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67 | const Double g_RCWeightHistoryLambda = 0.5; |
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68 | const Double g_RCWeightCurrentLambda = 1.0 - g_RCWeightHistoryLambda; |
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69 | const Int g_RCLCUSmoothWindowSize = 4; |
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70 | const Double g_RCAlphaMinValue = 0.05; |
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71 | const Double g_RCAlphaMaxValue = 500.0; |
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72 | const Double g_RCBetaMinValue = -3.0; |
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73 | const Double g_RCBetaMaxValue = -0.1; |
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74 | |
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75 | #define ALPHA 6.7542; |
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76 | #define BETA1 1.2517 |
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77 | #define BETA2 1.7860 |
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78 | |
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79 | struct TRCLCU |
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80 | { |
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81 | Int m_actualBits; |
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82 | Int m_QP; // QP of skip mode is set to g_RCInvalidQPValue |
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83 | Int m_targetBits; |
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84 | Double m_lambda; |
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85 | Double m_bitWeight; |
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86 | Int m_numberOfPixel; |
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87 | Double m_costIntra; |
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88 | Int m_targetBitsLeft; |
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89 | #if KWU_RC_MADPRED_E0227 |
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90 | Double m_MAD; |
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91 | Int m_CUWidth; |
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92 | Int m_CUHeight; |
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93 | Double m_IVMAD; |
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94 | #endif |
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95 | }; |
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96 | |
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97 | struct TRCParameter |
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98 | { |
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99 | Double m_alpha; |
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100 | Double m_beta; |
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101 | }; |
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102 | |
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103 | class TEncRCSeq |
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104 | { |
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105 | public: |
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106 | TEncRCSeq(); |
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107 | ~TEncRCSeq(); |
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108 | |
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109 | public: |
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110 | Void create( Int totalFrames, Int targetBitrate, Int frameRate, Int GOPSize, Int picWidth, Int picHeight, Int LCUWidth, Int LCUHeight, Int numberOfLevel, Bool useLCUSeparateModel, Int adaptiveBit ); |
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111 | Void destroy(); |
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112 | Void initBitsRatio( Int bitsRatio[] ); |
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113 | Void initGOPID2Level( Int GOPID2Level[] ); |
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114 | Void initPicPara( TRCParameter* picPara = NULL ); // NULL to initial with default value |
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115 | Void initLCUPara( TRCParameter** LCUPara = NULL ); // NULL to initial with default value |
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116 | Void updateAfterPic ( Int bits ); |
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117 | Void setAllBitRatio( Double basicLambda, Double* equaCoeffA, Double* equaCoeffB ); |
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118 | |
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119 | public: |
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120 | Int getTotalFrames() { return m_totalFrames; } |
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121 | Int getTargetRate() { return m_targetRate; } |
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122 | Int getFrameRate() { return m_frameRate; } |
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123 | Int getGOPSize() { return m_GOPSize; } |
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124 | Int getPicWidth() { return m_picWidth; } |
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125 | Int getPicHeight() { return m_picHeight; } |
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126 | Int getLCUWidth() { return m_LCUWidth; } |
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127 | Int getLCUHeight() { return m_LCUHeight; } |
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128 | Int getNumberOfLevel() { return m_numberOfLevel; } |
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129 | Int getAverageBits() { return m_averageBits; } |
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130 | Int getLeftAverageBits() { assert( m_framesLeft > 0 ); return (Int)(m_bitsLeft / m_framesLeft); } |
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131 | Bool getUseLCUSeparateModel() { return m_useLCUSeparateModel; } |
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132 | |
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133 | Int getNumPixel() { return m_numberOfPixel; } |
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134 | Int64 getTargetBits() { return m_targetBits; } |
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135 | Int getNumberOfLCU() { return m_numberOfLCU; } |
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136 | Int* getBitRatio() { return m_bitsRatio; } |
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137 | Int getBitRatio( Int idx ) { assert( idx<m_GOPSize); return m_bitsRatio[idx]; } |
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138 | Int* getGOPID2Level() { return m_GOPID2Level; } |
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139 | Int getGOPID2Level( Int ID ) { assert( ID < m_GOPSize ); return m_GOPID2Level[ID]; } |
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140 | TRCParameter* getPicPara() { return m_picPara; } |
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141 | TRCParameter getPicPara( Int level ) { assert( level < m_numberOfLevel ); return m_picPara[level]; } |
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142 | Void setPicPara( Int level, TRCParameter para ) { assert( level < m_numberOfLevel ); m_picPara[level] = para; } |
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143 | TRCParameter** getLCUPara() { return m_LCUPara; } |
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144 | TRCParameter* getLCUPara( Int level ) { assert( level < m_numberOfLevel ); return m_LCUPara[level]; } |
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145 | TRCParameter getLCUPara( Int level, Int LCUIdx ) { assert( LCUIdx < m_numberOfLCU ); return getLCUPara(level)[LCUIdx]; } |
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146 | Void setLCUPara( Int level, Int LCUIdx, TRCParameter para ) { assert( level < m_numberOfLevel ); assert( LCUIdx < m_numberOfLCU ); m_LCUPara[level][LCUIdx] = para; } |
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147 | |
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148 | Int getFramesLeft() { return m_framesLeft; } |
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149 | Int64 getBitsLeft() { return m_bitsLeft; } |
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150 | |
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151 | Double getSeqBpp() { return m_seqTargetBpp; } |
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152 | Double getAlphaUpdate() { return m_alphaUpdate; } |
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153 | Double getBetaUpdate() { return m_betaUpdate; } |
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154 | |
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155 | Int getAdaptiveBits() { return m_adaptiveBit; } |
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156 | Double getLastLambda() { return m_lastLambda; } |
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157 | Void setLastLambda( Double lamdba ) { m_lastLambda = lamdba; } |
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158 | |
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159 | private: |
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160 | Int m_totalFrames; |
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161 | Int m_targetRate; |
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162 | Int m_frameRate; |
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163 | Int m_GOPSize; |
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164 | Int m_picWidth; |
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165 | Int m_picHeight; |
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166 | Int m_LCUWidth; |
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167 | Int m_LCUHeight; |
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168 | Int m_numberOfLevel; |
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169 | Int m_averageBits; |
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170 | |
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171 | Int m_numberOfPixel; |
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172 | Int64 m_targetBits; |
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173 | Int m_numberOfLCU; |
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174 | Int* m_bitsRatio; |
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175 | Int* m_GOPID2Level; |
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176 | TRCParameter* m_picPara; |
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177 | TRCParameter** m_LCUPara; |
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178 | |
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179 | Int m_framesLeft; |
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180 | Int64 m_bitsLeft; |
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181 | Double m_seqTargetBpp; |
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182 | Double m_alphaUpdate; |
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183 | Double m_betaUpdate; |
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184 | Bool m_useLCUSeparateModel; |
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185 | |
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186 | Int m_adaptiveBit; |
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187 | Double m_lastLambda; |
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188 | }; |
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189 | |
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190 | class TEncRCGOP |
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191 | { |
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192 | public: |
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193 | TEncRCGOP(); |
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194 | ~TEncRCGOP(); |
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195 | |
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196 | public: |
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197 | Void create( TEncRCSeq* encRCSeq, Int numPic ); |
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198 | Void destroy(); |
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199 | Void updateAfterPicture( Int bitsCost ); |
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200 | |
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201 | private: |
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202 | Int xEstGOPTargetBits( TEncRCSeq* encRCSeq, Int GOPSize ); |
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203 | Void xCalEquaCoeff( TEncRCSeq* encRCSeq, Double* lambdaRatio, Double* equaCoeffA, Double* equaCoeffB, Int GOPSize ); |
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204 | Double xSolveEqua( Double targetBpp, Double* equaCoeffA, Double* equaCoeffB, Int GOPSize ); |
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205 | |
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206 | public: |
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207 | TEncRCSeq* getEncRCSeq() { return m_encRCSeq; } |
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208 | Int getNumPic() { return m_numPic;} |
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209 | Int getTargetBits() { return m_targetBits; } |
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210 | Int getPicLeft() { return m_picLeft; } |
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211 | Int getBitsLeft() { return m_bitsLeft; } |
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212 | Int getTargetBitInGOP( Int i ) { return m_picTargetBitInGOP[i]; } |
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213 | |
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214 | private: |
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215 | TEncRCSeq* m_encRCSeq; |
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216 | Int* m_picTargetBitInGOP; |
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217 | Int m_numPic; |
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218 | Int m_targetBits; |
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219 | Int m_picLeft; |
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220 | Int m_bitsLeft; |
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221 | }; |
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222 | |
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223 | class TEncRCPic |
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224 | { |
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225 | public: |
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226 | TEncRCPic(); |
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227 | ~TEncRCPic(); |
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228 | |
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229 | public: |
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230 | #if KWU_RC_MADPRED_E0227 |
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231 | Void create( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP, Int frameLevel, list<TEncRCPic*>& listPreviousPictures, Int layerID ); |
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232 | #else |
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233 | Void create( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP, Int frameLevel, list<TEncRCPic*>& listPreviousPictures ); |
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234 | #endif |
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235 | Void destroy(); |
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236 | |
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237 | #if KWU_RC_MADPRED_E0227 |
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238 | Double estimatePicLambdaIV( list<TEncRCPic*>& listPreviousPictures, Int curPOC ); |
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239 | #endif |
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240 | Int estimatePicQP ( Double lambda, list<TEncRCPic*>& listPreviousPictures ); |
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241 | Int getRefineBitsForIntra(Int orgBits); |
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242 | Double calculateLambdaIntra(Double alpha, Double beta, Double MADPerPixel, Double bitsPerPixel); |
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243 | Double estimatePicLambda( list<TEncRCPic*>& listPreviousPictures, SliceType eSliceType); |
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244 | |
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245 | Void updateAlphaBetaIntra(Double *alpha, Double *beta); |
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246 | |
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247 | Double getLCUTargetBpp(SliceType eSliceType); |
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248 | Double getLCUEstLambdaAndQP(Double bpp, Int clipPicQP, Int *estQP); |
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249 | #if KWU_RC_MADPRED_E0227 |
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250 | Double getLCUTargetBppforInterView( list<TEncRCPic*>& listPreviousPictures, TComDataCU* pcCU, Double basePos, Double curPos, Double focalLen, Double znear, Double zfar, Int direction, Int* disparity ); |
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251 | #endif |
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252 | Double getLCUEstLambda( Double bpp ); |
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253 | Int getLCUEstQP( Double lambda, Int clipPicQP ); |
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254 | |
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255 | Void updateAfterCTU( Int LCUIdx, Int bits, Int QP, Double lambda, Bool updateLCUParameter = true ); |
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256 | Void updateAfterPicture( Int actualHeaderBits, Int actualTotalBits, Double averageQP, Double averageLambda, SliceType eSliceType); |
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257 | |
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258 | Void addToPictureLsit( list<TEncRCPic*>& listPreviousPictures ); |
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259 | #if KWU_RC_MADPRED_E0227 |
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260 | Void addToPictureLsitIV( list<TEncRCPic*>& listPreviousPictures ); |
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261 | Void setIVPic( TEncRCPic* baseRCPic ); |
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262 | #endif |
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263 | Double calAverageQP(); |
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264 | Double calAverageLambda(); |
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265 | |
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266 | private: |
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267 | Int xEstPicTargetBits( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP ); |
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268 | Int xEstPicHeaderBits( list<TEncRCPic*>& listPreviousPictures, Int frameLevel ); |
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269 | #if V0078_ADAPTIVE_LOWER_BOUND |
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270 | Int xEstPicLowerBound( TEncRCSeq* encRCSeq, TEncRCGOP* encRCGOP ); |
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271 | #endif |
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272 | |
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273 | public: |
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274 | TEncRCSeq* getRCSequence() { return m_encRCSeq; } |
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275 | TEncRCGOP* getRCGOP() { return m_encRCGOP; } |
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276 | |
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277 | Int getFrameLevel() { return m_frameLevel; } |
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278 | Int getNumberOfPixel() { return m_numberOfPixel; } |
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279 | Int getNumberOfLCU() { return m_numberOfLCU; } |
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280 | Int getTargetBits() { return m_targetBits; } |
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281 | Int getEstHeaderBits() { return m_estHeaderBits; } |
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282 | Int getLCULeft() { return m_LCULeft; } |
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283 | Int getBitsLeft() { return m_bitsLeft; } |
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284 | Int getPixelsLeft() { return m_pixelsLeft; } |
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285 | Int getBitsCoded() { return m_targetBits - m_estHeaderBits - m_bitsLeft; } |
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286 | Int getLCUCoded() { return m_numberOfLCU - m_LCULeft; } |
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287 | #if V0078_ADAPTIVE_LOWER_BOUND |
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288 | Int getLowerBound() { return m_lowerBound; } |
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289 | #endif |
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290 | TRCLCU* getLCU() { return m_LCUs; } |
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291 | TRCLCU& getLCU( Int LCUIdx ) { return m_LCUs[LCUIdx]; } |
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292 | Int getPicActualHeaderBits() { return m_picActualHeaderBits; } |
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293 | #if U0132_TARGET_BITS_SATURATION |
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294 | Void setBitLeft(Int bits) { m_bitsLeft = bits; } |
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295 | #endif |
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296 | Void setTargetBits( Int bits ) { m_targetBits = bits; m_bitsLeft = bits;} |
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297 | Void setTotalIntraCost(Double cost) { m_totalCostIntra = cost; } |
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298 | Void getLCUInitTargetBits(); |
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299 | #if KWU_RC_MADPRED_E0227 |
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300 | Double getTotalMAD() { return m_totalMAD; } |
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301 | Void setTotalMAD( Double MAD ) { m_totalMAD = MAD; } |
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302 | |
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303 | Double getIVTotalMAD() { return m_IVtotalMAD; } |
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304 | Void setIVTotalMAD( Double MAD ) { m_IVtotalMAD = MAD; } |
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305 | #endif |
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306 | |
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307 | Int getPicActualBits() { return m_picActualBits; } |
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308 | Int getPicActualQP() { return m_picQP; } |
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309 | Double getPicActualLambda() { return m_picLambda; } |
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310 | Int getPicEstQP() { return m_estPicQP; } |
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311 | Void setPicEstQP( Int QP ) { m_estPicQP = QP; } |
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312 | Double getPicEstLambda() { return m_estPicLambda; } |
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313 | Void setPicEstLambda( Double lambda ) { m_picLambda = lambda; } |
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314 | |
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315 | #if KWU_RC_MADPRED_E0227 |
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316 | Int getLayerID() { return m_LayerID; } |
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317 | Void setLayerID(Int layerid) { m_LayerID = layerid; } |
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318 | #endif |
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319 | private: |
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320 | TEncRCSeq* m_encRCSeq; |
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321 | TEncRCGOP* m_encRCGOP; |
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322 | |
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323 | Int m_frameLevel; |
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324 | Int m_numberOfPixel; |
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325 | Int m_numberOfLCU; |
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326 | Int m_targetBits; |
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327 | Int m_estHeaderBits; |
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328 | Int m_estPicQP; |
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329 | #if V0078_ADAPTIVE_LOWER_BOUND |
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330 | Int m_lowerBound; |
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331 | #endif |
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332 | Double m_estPicLambda; |
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333 | |
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334 | Int m_LCULeft; |
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335 | Int m_bitsLeft; |
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336 | Int m_pixelsLeft; |
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337 | |
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338 | TRCLCU* m_LCUs; |
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339 | Int m_picActualHeaderBits; // only SH and potential APS |
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340 | Double m_totalCostIntra; |
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341 | Double m_remainingCostIntra; |
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342 | Int m_picActualBits; // the whole picture, including header |
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343 | Int m_picQP; // in integer form |
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344 | Double m_picLambda; |
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345 | #if KWU_RC_MADPRED_E0227 |
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346 | Double m_totalMAD; |
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347 | TEncRCPic* m_lastPicture; |
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348 | Int m_LayerID; |
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349 | TEncRCPic* m_lastIVPicture; |
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350 | Double m_IVtotalMAD; |
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351 | #endif |
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352 | }; |
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353 | |
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354 | class TEncRateCtrl |
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355 | { |
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356 | public: |
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357 | TEncRateCtrl(); |
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358 | ~TEncRateCtrl(); |
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359 | |
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360 | public: |
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361 | #if KWU_RC_MADPRED_E0227 |
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362 | Void init( Int totalFrames, Int targetBitrate, Int frameRate, Int GOPSize, Int picWidth, Int picHeight, Int LCUWidth, Int LCUHeight, Bool keepHierBits, Bool useLCUSeparateModel, GOPEntry GOPList[MAX_GOP], Int layerID ); |
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363 | #else |
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364 | Void init( Int totalFrames, Int targetBitrate, Int frameRate, Int GOPSize, Int picWidth, Int picHeight, Int LCUWidth, Int LCUHeight, Int keepHierBits, Bool useLCUSeparateModel, GOPEntry GOPList[MAX_GOP] ); |
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365 | #endif |
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366 | Void destroy(); |
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367 | Void initRCPic( Int frameLevel ); |
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368 | Void initRCGOP( Int numberOfPictures ); |
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369 | Void destroyRCGOP(); |
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370 | |
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371 | public: |
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372 | Void setRCQP ( Int QP ) { m_RCQP = QP; } |
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373 | Int getRCQP () { return m_RCQP; } |
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374 | TEncRCSeq* getRCSeq() { assert ( m_encRCSeq != NULL ); return m_encRCSeq; } |
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375 | TEncRCGOP* getRCGOP() { assert ( m_encRCGOP != NULL ); return m_encRCGOP; } |
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376 | TEncRCPic* getRCPic() { assert ( m_encRCPic != NULL ); return m_encRCPic; } |
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377 | list<TEncRCPic*>& getPicList() { return m_listRCPictures; } |
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378 | |
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379 | #if KWU_RC_MADPRED_E0227 |
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380 | Int getLayerID() { return m_LayerID; } |
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381 | Void setLayerID(Int layerid) { m_LayerID = layerid; } |
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382 | #endif |
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383 | #if U0132_TARGET_BITS_SATURATION |
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384 | Bool getCpbSaturationEnabled() { return m_CpbSaturationEnabled; } |
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385 | UInt getCpbState() { return m_cpbState; } |
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386 | UInt getCpbSize() { return m_cpbSize; } |
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387 | UInt getBufferingRate() { return m_bufferingRate; } |
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388 | Int updateCpbState(Int actualBits); |
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389 | Void initHrdParam(const TComHRD* pcHrd, Int iFrameRate, Double fInitialCpbFullness); |
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390 | #endif |
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391 | |
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392 | private: |
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393 | TEncRCSeq* m_encRCSeq; |
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394 | TEncRCGOP* m_encRCGOP; |
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395 | TEncRCPic* m_encRCPic; |
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396 | list<TEncRCPic*> m_listRCPictures; |
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397 | Int m_RCQP; |
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398 | #if U0132_TARGET_BITS_SATURATION |
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399 | Bool m_CpbSaturationEnabled; // Enable target bits saturation to avoid CPB overflow and underflow |
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400 | Int m_cpbState; // CPB State |
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401 | UInt m_cpbSize; // CPB size |
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402 | UInt m_bufferingRate; // Buffering rate |
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403 | #endif |
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404 | |
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405 | #if KWU_RC_MADPRED_E0227 |
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406 | Int m_LayerID; |
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407 | #endif |
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408 | }; |
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409 | |
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410 | #endif |
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411 | |
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412 | |
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