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 TEncEntropy.cpp |
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35 | \brief entropy encoder class |
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36 | */ |
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37 | |
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38 | #include "TEncEntropy.h" |
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39 | #include "TLibCommon/CommonDef.h" |
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40 | #include "TLibCommon/TComSampleAdaptiveOffset.h" |
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41 | #include "TLibCommon/TComTU.h" |
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42 | |
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43 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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44 | #include "../TLibCommon/Debug.h" |
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45 | static const Bool bDebugPredEnabled = DebugOptionList::DebugPred.getInt()!=0; |
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46 | #endif |
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47 | |
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48 | //! \ingroup TLibEncoder |
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49 | //! \{ |
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50 | |
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51 | Void TEncEntropy::setEntropyCoder ( TEncEntropyIf* e ) |
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52 | { |
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53 | m_pcEntropyCoderIf = e; |
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54 | } |
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55 | |
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56 | Void TEncEntropy::encodeSliceHeader ( TComSlice* pcSlice ) |
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57 | { |
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58 | m_pcEntropyCoderIf->codeSliceHeader( pcSlice ); |
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59 | return; |
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60 | } |
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61 | |
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62 | Void TEncEntropy::encodeTilesWPPEntryPoint( TComSlice* pSlice ) |
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63 | { |
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64 | m_pcEntropyCoderIf->codeTilesWPPEntryPoint( pSlice ); |
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65 | } |
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66 | |
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67 | Void TEncEntropy::encodeTerminatingBit ( UInt uiIsLast ) |
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68 | { |
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69 | m_pcEntropyCoderIf->codeTerminatingBit( uiIsLast ); |
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70 | |
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71 | return; |
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72 | } |
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73 | |
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74 | Void TEncEntropy::encodeSliceFinish() |
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75 | { |
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76 | m_pcEntropyCoderIf->codeSliceFinish(); |
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77 | } |
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78 | |
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79 | #if CGS_3D_ASYMLUT |
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80 | Void TEncEntropy::encodePPS( const TComPPS* pcPPS, TEnc3DAsymLUT * pc3DAsymLUT ) |
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81 | { |
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82 | m_pcEntropyCoderIf->codePPS( pcPPS, pc3DAsymLUT ); |
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83 | return; |
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84 | } |
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85 | #else |
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86 | Void TEncEntropy::encodePPS( const TComPPS* pcPPS ) |
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87 | { |
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88 | m_pcEntropyCoderIf->codePPS( pcPPS ); |
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89 | return; |
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90 | } |
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91 | #endif |
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92 | |
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93 | Void TEncEntropy::encodeSPS( const TComSPS* pcSPS ) |
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94 | { |
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95 | m_pcEntropyCoderIf->codeSPS( pcSPS ); |
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96 | return; |
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97 | } |
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98 | |
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99 | Void TEncEntropy::encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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100 | { |
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101 | if( bRD ) |
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102 | { |
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103 | uiAbsPartIdx = 0; |
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104 | } |
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105 | m_pcEntropyCoderIf->codeCUTransquantBypassFlag( pcCU, uiAbsPartIdx ); |
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106 | } |
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107 | |
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108 | Void TEncEntropy::encodeVPS( const TComVPS* pcVPS ) |
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109 | { |
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110 | m_pcEntropyCoderIf->codeVPS( pcVPS ); |
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111 | return; |
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112 | } |
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113 | |
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114 | Void TEncEntropy::encodeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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115 | { |
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116 | if ( pcCU->getSlice()->isIntra() ) |
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117 | { |
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118 | return; |
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119 | } |
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120 | if( bRD ) |
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121 | { |
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122 | uiAbsPartIdx = 0; |
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123 | } |
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124 | m_pcEntropyCoderIf->codeSkipFlag( pcCU, uiAbsPartIdx ); |
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125 | } |
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126 | |
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127 | //! encode merge flag |
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128 | Void TEncEntropy::encodeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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129 | { |
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130 | // at least one merge candidate exists |
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131 | m_pcEntropyCoderIf->codeMergeFlag( pcCU, uiAbsPartIdx ); |
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132 | } |
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133 | |
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134 | //! encode merge index |
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135 | Void TEncEntropy::encodeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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136 | { |
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137 | if( bRD ) |
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138 | { |
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139 | uiAbsPartIdx = 0; |
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140 | assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N ); |
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141 | } |
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142 | m_pcEntropyCoderIf->codeMergeIndex( pcCU, uiAbsPartIdx ); |
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143 | } |
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144 | |
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145 | |
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146 | //! encode prediction mode |
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147 | Void TEncEntropy::encodePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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148 | { |
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149 | if( bRD ) |
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150 | { |
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151 | uiAbsPartIdx = 0; |
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152 | } |
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153 | |
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154 | if ( pcCU->getSlice()->isIntra() ) |
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155 | { |
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156 | return; |
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157 | } |
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158 | |
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159 | m_pcEntropyCoderIf->codePredMode( pcCU, uiAbsPartIdx ); |
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160 | } |
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161 | |
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162 | //! encode split flag |
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163 | Void TEncEntropy::encodeSplitFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD ) |
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164 | { |
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165 | if( bRD ) |
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166 | { |
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167 | uiAbsPartIdx = 0; |
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168 | } |
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169 | |
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170 | m_pcEntropyCoderIf->codeSplitFlag( pcCU, uiAbsPartIdx, uiDepth ); |
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171 | } |
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172 | |
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173 | //! encode partition size |
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174 | Void TEncEntropy::encodePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD ) |
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175 | { |
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176 | if( bRD ) |
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177 | { |
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178 | uiAbsPartIdx = 0; |
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179 | } |
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180 | |
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181 | m_pcEntropyCoderIf->codePartSize( pcCU, uiAbsPartIdx, uiDepth ); |
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182 | } |
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183 | |
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184 | |
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185 | /** Encode I_PCM information. |
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186 | * \param pcCU pointer to CU |
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187 | * \param uiAbsPartIdx CU index |
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188 | * \param bRD flag indicating estimation or encoding |
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189 | */ |
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190 | Void TEncEntropy::encodeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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191 | { |
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192 | if(!pcCU->getSlice()->getSPS()->getUsePCM() |
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193 | || pcCU->getWidth(uiAbsPartIdx) > (1<<pcCU->getSlice()->getSPS()->getPCMLog2MaxSize()) |
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194 | || pcCU->getWidth(uiAbsPartIdx) < (1<<pcCU->getSlice()->getSPS()->getPCMLog2MinSize())) |
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195 | { |
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196 | return; |
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197 | } |
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198 | |
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199 | if( bRD ) |
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200 | { |
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201 | uiAbsPartIdx = 0; |
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202 | } |
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203 | |
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204 | m_pcEntropyCoderIf->codeIPCMInfo ( pcCU, uiAbsPartIdx ); |
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205 | |
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206 | } |
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207 | |
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208 | Void TEncEntropy::xEncodeTransform( Bool& bCodeDQP, Bool& codeChromaQpAdj, TComTU &rTu ) |
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209 | { |
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210 | //pcCU, absPartIdxCU, uiAbsPartIdx, uiDepth+1, uiTrIdx+1, quadrant, |
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211 | TComDataCU *pcCU=rTu.getCU(); |
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212 | const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(); |
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213 | const UInt numValidComponent = pcCU->getPic()->getNumberValidComponents(); |
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214 | const Bool bChroma = isChromaEnabled(pcCU->getPic()->getChromaFormat()); |
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215 | const UInt uiTrIdx = rTu.GetTransformDepthRel(); |
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216 | const UInt uiDepth = rTu.GetTransformDepthTotal(); |
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217 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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218 | const Bool bDebugRQT=pcCU->getSlice()->getFinalized() && DebugOptionList::DebugRQT.getInt()!=0; |
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219 | if (bDebugRQT) |
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220 | { |
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221 | printf("x..codeTransform: offsetLuma=%d offsetChroma=%d absPartIdx=%d, uiDepth=%d\n width=%d, height=%d, uiTrIdx=%d, uiInnerQuadIdx=%d\n", |
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222 | rTu.getCoefficientOffset(COMPONENT_Y), rTu.getCoefficientOffset(COMPONENT_Cb), uiAbsPartIdx, uiDepth, rTu.getRect(COMPONENT_Y).width, rTu.getRect(COMPONENT_Y).height, rTu.GetTransformDepthRel(), rTu.GetSectionNumber()); |
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223 | } |
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224 | #endif |
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225 | const UInt uiSubdiv = pcCU->getTransformIdx( uiAbsPartIdx ) > uiTrIdx;// + pcCU->getDepth( uiAbsPartIdx ) > uiDepth; |
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226 | const UInt uiLog2TrafoSize = rTu.GetLog2LumaTrSize(); |
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227 | |
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228 | |
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229 | UInt cbf[MAX_NUM_COMPONENT] = {0,0,0}; |
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230 | Bool bHaveACodedBlock = false; |
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231 | Bool bHaveACodedChromaBlock = false; |
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232 | |
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233 | for(UInt ch=0; ch<numValidComponent; ch++) |
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234 | { |
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235 | const ComponentID compID = ComponentID(ch); |
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236 | |
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237 | cbf[compID] = pcCU->getCbf( uiAbsPartIdx, compID , uiTrIdx ); |
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238 | |
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239 | if (cbf[ch] != 0) |
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240 | { |
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241 | bHaveACodedBlock = true; |
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242 | if (isChroma(compID)) |
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243 | { |
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244 | bHaveACodedChromaBlock = true; |
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245 | } |
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246 | } |
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247 | } |
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248 | |
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249 | if( pcCU->isIntra(uiAbsPartIdx) && pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_NxN && uiDepth == pcCU->getDepth(uiAbsPartIdx) ) |
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250 | { |
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251 | assert( uiSubdiv ); |
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252 | } |
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253 | else if( pcCU->isInter(uiAbsPartIdx) && (pcCU->getPartitionSize(uiAbsPartIdx) != SIZE_2Nx2N) && uiDepth == pcCU->getDepth(uiAbsPartIdx) && (pcCU->getSlice()->getSPS()->getQuadtreeTUMaxDepthInter() == 1) ) |
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254 | { |
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255 | if ( uiLog2TrafoSize > pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) ) |
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256 | { |
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257 | assert( uiSubdiv ); |
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258 | } |
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259 | else |
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260 | { |
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261 | assert(!uiSubdiv ); |
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262 | } |
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263 | } |
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264 | else if( uiLog2TrafoSize > pcCU->getSlice()->getSPS()->getQuadtreeTULog2MaxSize() ) |
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265 | { |
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266 | assert( uiSubdiv ); |
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267 | } |
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268 | else if( uiLog2TrafoSize == pcCU->getSlice()->getSPS()->getQuadtreeTULog2MinSize() ) |
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269 | { |
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270 | assert( !uiSubdiv ); |
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271 | } |
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272 | else if( uiLog2TrafoSize == pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) ) |
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273 | { |
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274 | assert( !uiSubdiv ); |
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275 | } |
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276 | else |
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277 | { |
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278 | assert( uiLog2TrafoSize > pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) ); |
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279 | m_pcEntropyCoderIf->codeTransformSubdivFlag( uiSubdiv, 5 - uiLog2TrafoSize ); |
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280 | } |
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281 | |
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282 | const UInt uiTrDepthCurr = uiDepth - pcCU->getDepth( uiAbsPartIdx ); |
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283 | const Bool bFirstCbfOfCU = uiTrDepthCurr == 0; |
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284 | |
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285 | for(UInt ch=COMPONENT_Cb; ch<numValidComponent; ch++) |
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286 | { |
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287 | const ComponentID compID=ComponentID(ch); |
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288 | if( bFirstCbfOfCU || rTu.ProcessingAllQuadrants(compID) ) |
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289 | { |
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290 | if( bFirstCbfOfCU || pcCU->getCbf( uiAbsPartIdx, compID, uiTrDepthCurr - 1 ) ) |
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291 | { |
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292 | m_pcEntropyCoderIf->codeQtCbf( rTu, compID, (uiSubdiv == 0) ); |
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293 | } |
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294 | } |
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295 | else |
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296 | { |
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297 | assert( pcCU->getCbf( uiAbsPartIdx, compID, uiTrDepthCurr ) == pcCU->getCbf( uiAbsPartIdx, compID, uiTrDepthCurr - 1 ) ); |
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298 | } |
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299 | } |
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300 | |
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301 | if( uiSubdiv ) |
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302 | { |
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303 | TComTURecurse tuRecurseChild(rTu, true); |
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304 | do |
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305 | { |
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306 | xEncodeTransform( bCodeDQP, codeChromaQpAdj, tuRecurseChild ); |
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307 | } while (tuRecurseChild.nextSection(rTu)); |
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308 | } |
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309 | else |
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310 | { |
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311 | { |
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312 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
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313 | DTRACE_CABAC_T( "\tTrIdx: abspart=" ); |
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314 | DTRACE_CABAC_V( uiAbsPartIdx ); |
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315 | DTRACE_CABAC_T( "\tdepth=" ); |
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316 | DTRACE_CABAC_V( uiDepth ); |
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317 | DTRACE_CABAC_T( "\ttrdepth=" ); |
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318 | DTRACE_CABAC_V( pcCU->getTransformIdx( uiAbsPartIdx ) ); |
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319 | DTRACE_CABAC_T( "\n" ); |
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320 | } |
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321 | |
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322 | if( !pcCU->isIntra(uiAbsPartIdx) && uiDepth == pcCU->getDepth( uiAbsPartIdx ) && (!bChroma || (!pcCU->getCbf( uiAbsPartIdx, COMPONENT_Cb, 0 ) && !pcCU->getCbf( uiAbsPartIdx, COMPONENT_Cr, 0 ) ) ) ) |
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323 | { |
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324 | assert( pcCU->getCbf( uiAbsPartIdx, COMPONENT_Y, 0 ) ); |
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325 | // printf( "saved one bin! " ); |
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326 | } |
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327 | else |
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328 | { |
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329 | m_pcEntropyCoderIf->codeQtCbf( rTu, COMPONENT_Y, true ); //luma CBF is always at the lowest level |
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330 | } |
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331 | |
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332 | if ( bHaveACodedBlock ) |
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333 | { |
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334 | // dQP: only for CTU once |
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335 | if ( pcCU->getSlice()->getPPS()->getUseDQP() ) |
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336 | { |
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337 | if ( bCodeDQP ) |
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338 | { |
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339 | encodeQP( pcCU, rTu.GetAbsPartIdxCU() ); |
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340 | bCodeDQP = false; |
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341 | } |
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342 | } |
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343 | |
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344 | if ( pcCU->getSlice()->getUseChromaQpAdj() ) |
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345 | { |
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346 | if ( bHaveACodedChromaBlock && codeChromaQpAdj && !pcCU->getCUTransquantBypass(rTu.GetAbsPartIdxCU()) ) |
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347 | { |
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348 | encodeChromaQpAdjustment( pcCU, rTu.GetAbsPartIdxCU() ); |
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349 | codeChromaQpAdj = false; |
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350 | } |
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351 | } |
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352 | |
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353 | const UInt numValidComp=pcCU->getPic()->getNumberValidComponents(); |
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354 | |
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355 | for(UInt ch=COMPONENT_Y; ch<numValidComp; ch++) |
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356 | { |
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357 | const ComponentID compID=ComponentID(ch); |
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358 | |
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359 | if (rTu.ProcessComponentSection(compID)) |
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360 | { |
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361 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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362 | if (bDebugRQT) |
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363 | { |
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364 | printf("Call NxN for chan %d width=%d height=%d cbf=%d\n", compID, rTu.getRect(compID).width, rTu.getRect(compID).height, 1); |
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365 | } |
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366 | #endif |
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367 | |
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368 | if (rTu.getRect(compID).width != rTu.getRect(compID).height) |
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369 | { |
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370 | //code two sub-TUs |
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371 | TComTURecurse subTUIterator(rTu, false, TComTU::VERTICAL_SPLIT, true, compID); |
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372 | |
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373 | do |
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374 | { |
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375 | const UChar subTUCBF = pcCU->getCbf(subTUIterator.GetAbsPartIdxTU(compID), compID, (uiTrIdx + 1)); |
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376 | |
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377 | if (subTUCBF != 0) |
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378 | { |
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379 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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380 | if (bDebugRQT) |
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381 | { |
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382 | printf("Call NxN for chan %d width=%d height=%d cbf=%d\n", compID, subTUIterator.getRect(compID).width, subTUIterator.getRect(compID).height, 1); |
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383 | } |
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384 | #endif |
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385 | m_pcEntropyCoderIf->codeCoeffNxN( subTUIterator, (pcCU->getCoeff(compID) + subTUIterator.getCoefficientOffset(compID)), compID ); |
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386 | } |
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387 | } |
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388 | while (subTUIterator.nextSection(rTu)); |
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389 | } |
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390 | else |
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391 | { |
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392 | if (isChroma(compID) && (cbf[COMPONENT_Y] != 0)) |
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393 | { |
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394 | m_pcEntropyCoderIf->codeCrossComponentPrediction( rTu, compID ); |
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395 | } |
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396 | |
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397 | if (cbf[compID] != 0) |
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398 | { |
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399 | m_pcEntropyCoderIf->codeCoeffNxN( rTu, (pcCU->getCoeff(compID) + rTu.getCoefficientOffset(compID)), compID ); |
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400 | } |
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401 | } |
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402 | } |
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403 | } |
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404 | } |
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405 | } |
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406 | } |
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407 | |
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408 | |
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409 | //! encode intra direction for luma |
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410 | Void TEncEntropy::encodeIntraDirModeLuma ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU ) |
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411 | { |
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412 | m_pcEntropyCoderIf->codeIntraDirLumaAng( pcCU, absPartIdx , isMultiplePU); |
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413 | } |
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414 | |
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415 | |
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416 | //! encode intra direction for chroma |
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417 | Void TEncEntropy::encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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418 | { |
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419 | m_pcEntropyCoderIf->codeIntraDirChroma( pcCU, uiAbsPartIdx ); |
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420 | |
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421 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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422 | if (bDebugPredEnabled && pcCU->getSlice()->getFinalized()) |
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423 | { |
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424 | UInt cdir=pcCU->getIntraDir(CHANNEL_TYPE_CHROMA, uiAbsPartIdx); |
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425 | if (cdir==36) |
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426 | { |
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427 | cdir=pcCU->getIntraDir(CHANNEL_TYPE_LUMA, uiAbsPartIdx); |
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428 | } |
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429 | printf("coding chroma Intra dir: %d, uiAbsPartIdx: %d, luma dir: %d\n", cdir, uiAbsPartIdx, pcCU->getIntraDir(CHANNEL_TYPE_LUMA, uiAbsPartIdx)); |
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430 | } |
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431 | #endif |
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432 | } |
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433 | |
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434 | |
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435 | Void TEncEntropy::encodePredInfo( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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436 | { |
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437 | if( pcCU->isIntra( uiAbsPartIdx ) ) // If it is Intra mode, encode intra prediction mode. |
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438 | { |
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439 | encodeIntraDirModeLuma ( pcCU, uiAbsPartIdx,true ); |
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440 | if (pcCU->getPic()->getChromaFormat()!=CHROMA_400) |
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441 | { |
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442 | encodeIntraDirModeChroma( pcCU, uiAbsPartIdx ); |
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443 | |
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444 | if (enable4ChromaPUsInIntraNxNCU(pcCU->getPic()->getChromaFormat()) && pcCU->getPartitionSize( uiAbsPartIdx )==SIZE_NxN) |
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445 | { |
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446 | UInt uiPartOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(uiAbsPartIdx) << 1 ) ) >> 2; |
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447 | encodeIntraDirModeChroma( pcCU, uiAbsPartIdx + uiPartOffset ); |
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448 | encodeIntraDirModeChroma( pcCU, uiAbsPartIdx + uiPartOffset*2 ); |
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449 | encodeIntraDirModeChroma( pcCU, uiAbsPartIdx + uiPartOffset*3 ); |
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450 | } |
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451 | } |
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452 | } |
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453 | else // if it is Inter mode, encode motion vector and reference index |
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454 | { |
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455 | encodePUWise( pcCU, uiAbsPartIdx ); |
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456 | } |
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457 | } |
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458 | |
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459 | Void TEncEntropy::encodeCrossComponentPrediction( TComTU &rTu, ComponentID compID ) |
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460 | { |
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461 | m_pcEntropyCoderIf->codeCrossComponentPrediction( rTu, compID ); |
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462 | } |
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463 | |
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464 | //! encode motion information for every PU block |
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465 | Void TEncEntropy::encodePUWise( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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466 | { |
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467 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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468 | const Bool bDebugPred = bDebugPredEnabled && pcCU->getSlice()->getFinalized(); |
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469 | #endif |
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470 | |
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471 | PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx ); |
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472 | UInt uiNumPU = ( ePartSize == SIZE_2Nx2N ? 1 : ( ePartSize == SIZE_NxN ? 4 : 2 ) ); |
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473 | UInt uiDepth = pcCU->getDepth( uiAbsPartIdx ); |
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474 | UInt uiPUOffset = ( g_auiPUOffset[UInt( ePartSize )] << ( ( pcCU->getSlice()->getSPS()->getMaxTotalCUDepth() - uiDepth ) << 1 ) ) >> 4; |
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475 | |
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476 | for ( UInt uiPartIdx = 0, uiSubPartIdx = uiAbsPartIdx; uiPartIdx < uiNumPU; uiPartIdx++, uiSubPartIdx += uiPUOffset ) |
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477 | { |
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478 | encodeMergeFlag( pcCU, uiSubPartIdx ); |
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479 | if ( pcCU->getMergeFlag( uiSubPartIdx ) ) |
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480 | { |
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481 | encodeMergeIndex( pcCU, uiSubPartIdx ); |
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482 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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483 | if (bDebugPred) |
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484 | { |
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485 | std::cout << "Coded merge flag, CU absPartIdx: " << uiAbsPartIdx << " PU(" << uiPartIdx << ") absPartIdx: " << uiSubPartIdx; |
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486 | std::cout << " merge index: " << (UInt)pcCU->getMergeIndex(uiSubPartIdx) << std::endl; |
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487 | } |
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488 | #endif |
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489 | } |
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490 | else |
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491 | { |
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492 | encodeInterDirPU( pcCU, uiSubPartIdx ); |
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493 | for ( UInt uiRefListIdx = 0; uiRefListIdx < 2; uiRefListIdx++ ) |
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494 | { |
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495 | if ( pcCU->getSlice()->getNumRefIdx( RefPicList( uiRefListIdx ) ) > 0 ) |
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496 | { |
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497 | encodeRefFrmIdxPU ( pcCU, uiSubPartIdx, RefPicList( uiRefListIdx ) ); |
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498 | encodeMvdPU ( pcCU, uiSubPartIdx, RefPicList( uiRefListIdx ) ); |
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499 | encodeMVPIdxPU ( pcCU, uiSubPartIdx, RefPicList( uiRefListIdx ) ); |
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500 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
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501 | if (bDebugPred) |
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502 | { |
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503 | std::cout << "refListIdx: " << uiRefListIdx << std::endl; |
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504 | std::cout << "MVD horizontal: " << pcCU->getCUMvField(RefPicList(uiRefListIdx))->getMvd( uiAbsPartIdx ).getHor() << std::endl; |
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505 | std::cout << "MVD vertical: " << pcCU->getCUMvField(RefPicList(uiRefListIdx))->getMvd( uiAbsPartIdx ).getVer() << std::endl; |
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506 | std::cout << "MVPIdxPU: " << pcCU->getMVPIdx(RefPicList( uiRefListIdx ), uiSubPartIdx) << std::endl; |
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507 | std::cout << "InterDir: " << (UInt)pcCU->getInterDir(uiSubPartIdx) << std::endl; |
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508 | } |
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509 | #endif |
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510 | } |
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511 | } |
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512 | } |
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513 | } |
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514 | |
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515 | return; |
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516 | } |
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517 | |
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518 | Void TEncEntropy::encodeInterDirPU( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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519 | { |
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520 | if ( !pcCU->getSlice()->isInterB() ) |
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521 | { |
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522 | return; |
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523 | } |
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524 | |
---|
525 | m_pcEntropyCoderIf->codeInterDir( pcCU, uiAbsPartIdx ); |
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526 | |
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527 | return; |
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528 | } |
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529 | |
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530 | //! encode reference frame index for a PU block |
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531 | Void TEncEntropy::encodeRefFrmIdxPU( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
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532 | { |
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533 | assert( pcCU->isInter( uiAbsPartIdx ) ); |
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534 | |
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535 | if ( ( pcCU->getSlice()->getNumRefIdx( eRefList ) == 1 ) ) |
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536 | { |
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537 | return; |
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538 | } |
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539 | |
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540 | if ( pcCU->getInterDir( uiAbsPartIdx ) & ( 1 << eRefList ) ) |
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541 | { |
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542 | m_pcEntropyCoderIf->codeRefFrmIdx( pcCU, uiAbsPartIdx, eRefList ); |
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543 | } |
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544 | |
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545 | return; |
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546 | } |
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547 | |
---|
548 | //! encode motion vector difference for a PU block |
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549 | Void TEncEntropy::encodeMvdPU( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
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550 | { |
---|
551 | assert( pcCU->isInter( uiAbsPartIdx ) ); |
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552 | |
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553 | if ( pcCU->getInterDir( uiAbsPartIdx ) & ( 1 << eRefList ) ) |
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554 | { |
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555 | m_pcEntropyCoderIf->codeMvd( pcCU, uiAbsPartIdx, eRefList ); |
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556 | } |
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557 | return; |
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558 | } |
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559 | |
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560 | Void TEncEntropy::encodeMVPIdxPU( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
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561 | { |
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562 | if ( (pcCU->getInterDir( uiAbsPartIdx ) & ( 1 << eRefList )) ) |
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563 | { |
---|
564 | m_pcEntropyCoderIf->codeMVPIdx( pcCU, uiAbsPartIdx, eRefList ); |
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565 | } |
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566 | |
---|
567 | return; |
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568 | } |
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569 | |
---|
570 | Void TEncEntropy::encodeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) |
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571 | { |
---|
572 | m_pcEntropyCoderIf->codeQtCbf( rTu, compID, lowestLevel ); |
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573 | } |
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574 | |
---|
575 | Void TEncEntropy::encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) |
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576 | { |
---|
577 | m_pcEntropyCoderIf->codeTransformSubdivFlag( uiSymbol, uiCtx ); |
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578 | } |
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579 | |
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580 | Void TEncEntropy::encodeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
581 | { |
---|
582 | m_pcEntropyCoderIf->codeQtRootCbf( pcCU, uiAbsPartIdx ); |
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583 | } |
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584 | |
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585 | Void TEncEntropy::encodeQtCbfZero( TComTU &rTu, const ChannelType chType ) |
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586 | { |
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587 | m_pcEntropyCoderIf->codeQtCbfZero( rTu, chType ); |
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588 | } |
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589 | |
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590 | Void TEncEntropy::encodeQtRootCbfZero( ) |
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591 | { |
---|
592 | m_pcEntropyCoderIf->codeQtRootCbfZero( ); |
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593 | } |
---|
594 | |
---|
595 | // dQP |
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596 | Void TEncEntropy::encodeQP( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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597 | { |
---|
598 | if( bRD ) |
---|
599 | { |
---|
600 | uiAbsPartIdx = 0; |
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601 | } |
---|
602 | |
---|
603 | if ( pcCU->getSlice()->getPPS()->getUseDQP() ) |
---|
604 | { |
---|
605 | m_pcEntropyCoderIf->codeDeltaQP( pcCU, uiAbsPartIdx ); |
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606 | } |
---|
607 | } |
---|
608 | |
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609 | //! encode chroma qp adjustment |
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610 | Void TEncEntropy::encodeChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx, Bool inRd ) |
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611 | { |
---|
612 | if( inRd ) |
---|
613 | { |
---|
614 | absPartIdx = 0; |
---|
615 | } |
---|
616 | |
---|
617 | m_pcEntropyCoderIf->codeChromaQpAdjustment( cu, absPartIdx ); |
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618 | } |
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619 | |
---|
620 | // texture |
---|
621 | |
---|
622 | //! encode coefficients |
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623 | Void TEncEntropy::encodeCoeff( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& codeChromaQpAdj ) |
---|
624 | { |
---|
625 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
---|
626 | const Bool bDebugRQT=pcCU->getSlice()->getFinalized() && DebugOptionList::DebugRQT.getInt()!=0; |
---|
627 | #endif |
---|
628 | |
---|
629 | if( pcCU->isIntra(uiAbsPartIdx) ) |
---|
630 | { |
---|
631 | if (false) |
---|
632 | { |
---|
633 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
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634 | DTRACE_CABAC_T( "\tdecodeTransformIdx()\tCUDepth=" ) |
---|
635 | DTRACE_CABAC_V( uiDepth ) |
---|
636 | DTRACE_CABAC_T( "\n" ) |
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637 | } |
---|
638 | } |
---|
639 | else |
---|
640 | { |
---|
641 | if( !(pcCU->getMergeFlag( uiAbsPartIdx ) && pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N ) ) |
---|
642 | { |
---|
643 | m_pcEntropyCoderIf->codeQtRootCbf( pcCU, uiAbsPartIdx ); |
---|
644 | } |
---|
645 | if ( !pcCU->getQtRootCbf( uiAbsPartIdx ) ) |
---|
646 | { |
---|
647 | return; |
---|
648 | } |
---|
649 | } |
---|
650 | |
---|
651 | TComTURecurse tuRecurse(pcCU, uiAbsPartIdx, uiDepth); |
---|
652 | #if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST |
---|
653 | if (bDebugRQT) |
---|
654 | { |
---|
655 | printf("..codeCoeff: uiAbsPartIdx=%d, PU format=%d, 2Nx2N=%d, NxN=%d\n", uiAbsPartIdx, pcCU->getPartitionSize(uiAbsPartIdx), SIZE_2Nx2N, SIZE_NxN); |
---|
656 | } |
---|
657 | #endif |
---|
658 | |
---|
659 | xEncodeTransform( bCodeDQP, codeChromaQpAdj, tuRecurse ); |
---|
660 | } |
---|
661 | |
---|
662 | Void TEncEntropy::encodeCoeffNxN( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID) |
---|
663 | { |
---|
664 | TComDataCU *pcCU = rTu.getCU(); |
---|
665 | |
---|
666 | if (pcCU->getCbf(rTu.GetAbsPartIdxTU(), compID, rTu.GetTransformDepthRel()) != 0) |
---|
667 | { |
---|
668 | if (rTu.getRect(compID).width != rTu.getRect(compID).height) |
---|
669 | { |
---|
670 | //code two sub-TUs |
---|
671 | TComTURecurse subTUIterator(rTu, false, TComTU::VERTICAL_SPLIT, true, compID); |
---|
672 | |
---|
673 | const UInt subTUSize = subTUIterator.getRect(compID).width * subTUIterator.getRect(compID).height; |
---|
674 | |
---|
675 | do |
---|
676 | { |
---|
677 | const UChar subTUCBF = pcCU->getCbf(subTUIterator.GetAbsPartIdxTU(compID), compID, (subTUIterator.GetTransformDepthRel() + 1)); |
---|
678 | |
---|
679 | if (subTUCBF != 0) |
---|
680 | { |
---|
681 | m_pcEntropyCoderIf->codeCoeffNxN( subTUIterator, (pcCoef + (subTUIterator.GetSectionNumber() * subTUSize)), compID); |
---|
682 | } |
---|
683 | } |
---|
684 | while (subTUIterator.nextSection(rTu)); |
---|
685 | } |
---|
686 | else |
---|
687 | { |
---|
688 | m_pcEntropyCoderIf->codeCoeffNxN(rTu, pcCoef, compID); |
---|
689 | } |
---|
690 | } |
---|
691 | } |
---|
692 | |
---|
693 | Void TEncEntropy::estimateBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, const ChannelType chType) |
---|
694 | { |
---|
695 | const UInt heightAtEntropyCoding = (width != height) ? (height >> 1) : height; |
---|
696 | |
---|
697 | m_pcEntropyCoderIf->estBit ( pcEstBitsSbac, width, heightAtEntropyCoding, chType ); |
---|
698 | } |
---|
699 | |
---|
700 | Int TEncEntropy::countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize ) |
---|
701 | { |
---|
702 | Int count = 0; |
---|
703 | |
---|
704 | for ( Int i = 0; i < uiSize; i++ ) |
---|
705 | { |
---|
706 | count += pcCoef[i] != 0; |
---|
707 | } |
---|
708 | |
---|
709 | return count; |
---|
710 | } |
---|
711 | |
---|
712 | #if SVC_EXTENSION |
---|
713 | Void TEncEntropy::encodeSliceHeaderExtn( TComSlice* pSlice, Int shBitsWrittenTillNow ) |
---|
714 | { |
---|
715 | m_pcEntropyCoderIf->codeSliceHeaderExtn( pSlice, shBitsWrittenTillNow ); |
---|
716 | } |
---|
717 | #endif |
---|
718 | |
---|
719 | //! \} |
---|