1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2014, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** \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/TypeDef.h" |
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40 | #include "TLibCommon/TComSampleAdaptiveOffset.h" |
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41 | |
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42 | //! \ingroup TLibEncoder |
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43 | //! \{ |
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44 | |
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45 | Void TEncEntropy::setEntropyCoder ( TEncEntropyIf* e, TComSlice* pcSlice ) |
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46 | { |
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47 | m_pcEntropyCoderIf = e; |
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48 | m_pcEntropyCoderIf->setSlice ( pcSlice ); |
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49 | } |
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50 | |
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51 | Void TEncEntropy::encodeSliceHeader ( TComSlice* pcSlice ) |
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52 | { |
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53 | m_pcEntropyCoderIf->codeSliceHeader( pcSlice ); |
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54 | return; |
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55 | } |
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56 | |
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57 | Void TEncEntropy::encodeTilesWPPEntryPoint( TComSlice* pSlice ) |
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58 | { |
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59 | m_pcEntropyCoderIf->codeTilesWPPEntryPoint( pSlice ); |
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60 | } |
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61 | |
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62 | Void TEncEntropy::encodeTerminatingBit ( UInt uiIsLast ) |
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63 | { |
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64 | m_pcEntropyCoderIf->codeTerminatingBit( uiIsLast ); |
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65 | |
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66 | return; |
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67 | } |
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68 | |
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69 | Void TEncEntropy::encodeSliceFinish() |
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70 | { |
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71 | m_pcEntropyCoderIf->codeSliceFinish(); |
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72 | } |
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73 | |
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74 | Void TEncEntropy::encodePPS( TComPPS* pcPPS ) |
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75 | { |
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76 | m_pcEntropyCoderIf->codePPS( pcPPS ); |
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77 | return; |
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78 | } |
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79 | |
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80 | Void TEncEntropy::encodeSPS( TComSPS* pcSPS ) |
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81 | { |
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82 | m_pcEntropyCoderIf->codeSPS( pcSPS ); |
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83 | return; |
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84 | } |
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85 | |
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86 | Void TEncEntropy::encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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87 | { |
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88 | if( bRD ) |
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89 | { |
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90 | uiAbsPartIdx = 0; |
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91 | } |
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92 | m_pcEntropyCoderIf->codeCUTransquantBypassFlag( pcCU, uiAbsPartIdx ); |
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93 | } |
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94 | |
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95 | Void TEncEntropy::encodeVPS( TComVPS* pcVPS ) |
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96 | { |
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97 | m_pcEntropyCoderIf->codeVPS( pcVPS ); |
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98 | return; |
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99 | } |
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100 | |
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101 | Void TEncEntropy::encodeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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102 | { |
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103 | if ( pcCU->getSlice()->isIntra() ) |
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104 | { |
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105 | return; |
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106 | } |
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107 | if( bRD ) |
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108 | { |
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109 | uiAbsPartIdx = 0; |
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110 | } |
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111 | m_pcEntropyCoderIf->codeSkipFlag( pcCU, uiAbsPartIdx ); |
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112 | } |
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113 | |
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114 | /** encode merge flag |
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115 | * \param pcCU |
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116 | * \param uiAbsPartIdx |
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117 | * \returns Void |
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118 | */ |
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119 | Void TEncEntropy::encodeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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120 | { |
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121 | // at least one merge candidate exists |
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122 | m_pcEntropyCoderIf->codeMergeFlag( pcCU, uiAbsPartIdx ); |
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123 | } |
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124 | |
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125 | /** encode merge index |
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126 | * \param pcCU |
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127 | * \param uiAbsPartIdx |
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128 | * \param uiPUIdx |
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129 | * \param bRD |
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130 | * \returns Void |
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131 | */ |
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132 | Void TEncEntropy::encodeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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133 | { |
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134 | if( bRD ) |
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135 | { |
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136 | uiAbsPartIdx = 0; |
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137 | assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N ); |
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138 | } |
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139 | m_pcEntropyCoderIf->codeMergeIndex( pcCU, uiAbsPartIdx ); |
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140 | } |
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141 | |
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142 | /** encode prediction mode |
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143 | * \param pcCU |
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144 | * \param uiAbsPartIdx |
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145 | * \param bRD |
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146 | * \returns Void |
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147 | */ |
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148 | Void TEncEntropy::encodePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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149 | { |
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150 | if( bRD ) |
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151 | { |
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152 | uiAbsPartIdx = 0; |
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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 | // Split mode |
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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 | m_pcEntropyCoderIf->codeSplitFlag( pcCU, uiAbsPartIdx, uiDepth ); |
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170 | } |
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171 | |
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172 | /** encode partition size |
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173 | * \param pcCU |
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174 | * \param uiAbsPartIdx |
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175 | * \param uiDepth |
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176 | * \param bRD |
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177 | * \returns Void |
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178 | */ |
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179 | Void TEncEntropy::encodePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD ) |
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180 | { |
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181 | if( bRD ) |
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182 | { |
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183 | uiAbsPartIdx = 0; |
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184 | } |
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185 | m_pcEntropyCoderIf->codePartSize( pcCU, uiAbsPartIdx, uiDepth ); |
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186 | } |
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187 | |
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188 | /** Encode I_PCM information. |
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189 | * \param pcCU pointer to CU |
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190 | * \param uiAbsPartIdx CU index |
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191 | * \param bRD flag indicating estimation or encoding |
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192 | * \returns Void |
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193 | */ |
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194 | Void TEncEntropy::encodeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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195 | { |
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196 | if(!pcCU->getSlice()->getSPS()->getUsePCM() |
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197 | || pcCU->getWidth(uiAbsPartIdx) > (1<<pcCU->getSlice()->getSPS()->getPCMLog2MaxSize()) |
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198 | || pcCU->getWidth(uiAbsPartIdx) < (1<<pcCU->getSlice()->getSPS()->getPCMLog2MinSize())) |
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199 | { |
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200 | return; |
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201 | } |
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202 | |
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203 | if( bRD ) |
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204 | { |
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205 | uiAbsPartIdx = 0; |
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206 | } |
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207 | |
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208 | m_pcEntropyCoderIf->codeIPCMInfo ( pcCU, uiAbsPartIdx ); |
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209 | } |
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210 | |
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211 | Void TEncEntropy::xEncodeTransform( TComDataCU* pcCU,UInt offsetLuma, UInt offsetChroma, UInt uiAbsPartIdx, UInt uiDepth, UInt width, UInt height, UInt uiTrIdx, Bool& bCodeDQP ) |
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212 | { |
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213 | const UInt uiSubdiv = pcCU->getTransformIdx( uiAbsPartIdx ) + pcCU->getDepth( uiAbsPartIdx ) > uiDepth; |
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214 | const UInt uiLog2TrafoSize = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxCUWidth()]+2 - uiDepth; |
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215 | UInt cbfY = pcCU->getCbf( uiAbsPartIdx, TEXT_LUMA , uiTrIdx ); |
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216 | UInt cbfU = pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_U, uiTrIdx ); |
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217 | UInt cbfV = pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_V, uiTrIdx ); |
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218 | |
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219 | if(uiTrIdx==0) |
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220 | { |
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221 | m_bakAbsPartIdxCU = uiAbsPartIdx; |
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222 | } |
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223 | if( uiLog2TrafoSize == 2 ) |
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224 | { |
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225 | UInt partNum = pcCU->getPic()->getNumPartInCU() >> ( ( uiDepth - 1 ) << 1 ); |
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226 | if( ( uiAbsPartIdx % partNum ) == 0 ) |
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227 | { |
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228 | m_uiBakAbsPartIdx = uiAbsPartIdx; |
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229 | m_uiBakChromaOffset = offsetChroma; |
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230 | } |
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231 | else if( ( uiAbsPartIdx % partNum ) == (partNum - 1) ) |
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232 | { |
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233 | cbfU = pcCU->getCbf( m_uiBakAbsPartIdx, TEXT_CHROMA_U, uiTrIdx ); |
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234 | cbfV = pcCU->getCbf( m_uiBakAbsPartIdx, TEXT_CHROMA_V, uiTrIdx ); |
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235 | } |
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236 | } |
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237 | |
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238 | if( pcCU->getPredictionMode(uiAbsPartIdx) == MODE_INTRA && pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_NxN && uiDepth == pcCU->getDepth(uiAbsPartIdx) ) |
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239 | { |
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240 | assert( uiSubdiv ); |
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241 | } |
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242 | else if( pcCU->getPredictionMode(uiAbsPartIdx) == MODE_INTER && (pcCU->getPartitionSize(uiAbsPartIdx) != SIZE_2Nx2N) && uiDepth == pcCU->getDepth(uiAbsPartIdx) && (pcCU->getSlice()->getSPS()->getQuadtreeTUMaxDepthInter() == 1) ) |
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243 | { |
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244 | if ( uiLog2TrafoSize > pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) ) |
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245 | { |
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246 | assert( uiSubdiv ); |
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247 | } |
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248 | else |
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249 | { |
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250 | assert(!uiSubdiv ); |
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251 | } |
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252 | } |
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253 | else if( uiLog2TrafoSize > pcCU->getSlice()->getSPS()->getQuadtreeTULog2MaxSize() ) |
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254 | { |
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255 | assert( uiSubdiv ); |
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256 | } |
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257 | else if( uiLog2TrafoSize == pcCU->getSlice()->getSPS()->getQuadtreeTULog2MinSize() ) |
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258 | { |
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259 | assert( !uiSubdiv ); |
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260 | } |
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261 | else if( uiLog2TrafoSize == pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) ) |
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262 | { |
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263 | assert( !uiSubdiv ); |
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264 | } |
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265 | else |
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266 | { |
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267 | assert( uiLog2TrafoSize > pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) ); |
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268 | m_pcEntropyCoderIf->codeTransformSubdivFlag( uiSubdiv, 5 - uiLog2TrafoSize ); |
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269 | } |
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270 | |
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271 | const UInt uiTrDepthCurr = uiDepth - pcCU->getDepth( uiAbsPartIdx ); |
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272 | const Bool bFirstCbfOfCU = uiTrDepthCurr == 0; |
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273 | #if AUXILIARY_PICTURES |
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274 | if (pcCU->getSlice()->getChromaFormatIdc() != CHROMA_400) |
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275 | { |
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276 | #endif |
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277 | if( bFirstCbfOfCU || uiLog2TrafoSize > 2 ) |
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278 | { |
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279 | if( bFirstCbfOfCU || pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepthCurr - 1 ) ) |
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280 | { |
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281 | m_pcEntropyCoderIf->codeQtCbf( pcCU, uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepthCurr ); |
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282 | } |
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283 | if( bFirstCbfOfCU || pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepthCurr - 1 ) ) |
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284 | { |
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285 | m_pcEntropyCoderIf->codeQtCbf( pcCU, uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepthCurr ); |
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286 | } |
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287 | } |
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288 | else if( uiLog2TrafoSize == 2 ) |
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289 | { |
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290 | assert( pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepthCurr ) == pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepthCurr - 1 ) ); |
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291 | assert( pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepthCurr ) == pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepthCurr - 1 ) ); |
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292 | } |
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293 | #if AUXILIARY_PICTURES |
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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, TEXT_CHROMA_U, uiTrDepthCurr ) == 0 ); |
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298 | assert( pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepthCurr ) == 0 ); |
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299 | } |
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300 | #endif |
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301 | |
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302 | if( uiSubdiv ) |
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303 | { |
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304 | UInt size; |
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305 | width >>= 1; |
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306 | height >>= 1; |
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307 | size = width*height; |
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308 | uiTrIdx++; |
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309 | ++uiDepth; |
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310 | const UInt partNum = pcCU->getPic()->getNumPartInCU() >> (uiDepth << 1); |
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311 | |
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312 | xEncodeTransform( pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP ); |
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313 | |
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314 | uiAbsPartIdx += partNum; offsetLuma += size; offsetChroma += (size>>2); |
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315 | xEncodeTransform( pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP ); |
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316 | |
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317 | uiAbsPartIdx += partNum; offsetLuma += size; offsetChroma += (size>>2); |
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318 | xEncodeTransform( pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP ); |
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319 | |
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320 | uiAbsPartIdx += partNum; offsetLuma += size; offsetChroma += (size>>2); |
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321 | xEncodeTransform( pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP ); |
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322 | } |
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323 | else |
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324 | { |
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325 | { |
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326 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
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327 | DTRACE_CABAC_T( "\tTrIdx: abspart=" ); |
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328 | DTRACE_CABAC_V( uiAbsPartIdx ); |
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329 | DTRACE_CABAC_T( "\tdepth=" ); |
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330 | DTRACE_CABAC_V( uiDepth ); |
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331 | DTRACE_CABAC_T( "\ttrdepth=" ); |
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332 | DTRACE_CABAC_V( pcCU->getTransformIdx( uiAbsPartIdx ) ); |
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333 | DTRACE_CABAC_T( "\n" ); |
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334 | } |
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335 | |
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336 | if( pcCU->getPredictionMode(uiAbsPartIdx) != MODE_INTRA && uiDepth == pcCU->getDepth( uiAbsPartIdx ) && !pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_U, 0 ) && !pcCU->getCbf( uiAbsPartIdx, TEXT_CHROMA_V, 0 ) ) |
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337 | { |
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338 | assert( pcCU->getCbf( uiAbsPartIdx, TEXT_LUMA, 0 ) ); |
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339 | // printf( "saved one bin! " ); |
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340 | } |
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341 | else |
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342 | { |
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343 | m_pcEntropyCoderIf->codeQtCbf( pcCU, uiAbsPartIdx, TEXT_LUMA, pcCU->getTransformIdx( uiAbsPartIdx ) ); |
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344 | } |
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345 | |
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346 | |
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347 | if ( cbfY || cbfU || cbfV ) |
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348 | { |
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349 | // dQP: only for LCU once |
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350 | if ( pcCU->getSlice()->getPPS()->getUseDQP() ) |
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351 | { |
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352 | if ( bCodeDQP ) |
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353 | { |
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354 | encodeQP( pcCU, m_bakAbsPartIdxCU ); |
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355 | bCodeDQP = false; |
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356 | } |
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357 | } |
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358 | } |
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359 | if( cbfY ) |
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360 | { |
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361 | Int trWidth = width; |
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362 | Int trHeight = height; |
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363 | m_pcEntropyCoderIf->codeCoeffNxN( pcCU, (pcCU->getCoeffY()+offsetLuma), uiAbsPartIdx, trWidth, trHeight, uiDepth, TEXT_LUMA ); |
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364 | } |
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365 | if( uiLog2TrafoSize > 2 ) |
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366 | { |
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367 | Int trWidth = width >> 1; |
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368 | Int trHeight = height >> 1; |
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369 | if( cbfU ) |
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370 | { |
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371 | m_pcEntropyCoderIf->codeCoeffNxN( pcCU, (pcCU->getCoeffCb()+offsetChroma), uiAbsPartIdx, trWidth, trHeight, uiDepth, TEXT_CHROMA_U ); |
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372 | } |
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373 | if( cbfV ) |
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374 | { |
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375 | m_pcEntropyCoderIf->codeCoeffNxN( pcCU, (pcCU->getCoeffCr()+offsetChroma), uiAbsPartIdx, trWidth, trHeight, uiDepth, TEXT_CHROMA_V ); |
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376 | } |
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377 | } |
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378 | else |
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379 | { |
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380 | UInt partNum = pcCU->getPic()->getNumPartInCU() >> ( ( uiDepth - 1 ) << 1 ); |
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381 | if( ( uiAbsPartIdx % partNum ) == (partNum - 1) ) |
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382 | { |
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383 | Int trWidth = width; |
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384 | Int trHeight = height; |
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385 | if( cbfU ) |
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386 | { |
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387 | m_pcEntropyCoderIf->codeCoeffNxN( pcCU, (pcCU->getCoeffCb()+m_uiBakChromaOffset), m_uiBakAbsPartIdx, trWidth, trHeight, uiDepth, TEXT_CHROMA_U ); |
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388 | } |
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389 | if( cbfV ) |
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390 | { |
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391 | m_pcEntropyCoderIf->codeCoeffNxN( pcCU, (pcCU->getCoeffCr()+m_uiBakChromaOffset), m_uiBakAbsPartIdx, trWidth, trHeight, uiDepth, TEXT_CHROMA_V ); |
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392 | } |
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393 | } |
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394 | } |
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395 | } |
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396 | } |
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397 | |
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398 | // Intra direction for Luma |
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399 | Void TEncEntropy::encodeIntraDirModeLuma ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU ) |
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400 | { |
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401 | m_pcEntropyCoderIf->codeIntraDirLumaAng( pcCU, absPartIdx , isMultiplePU); |
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402 | } |
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403 | |
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404 | // Intra direction for Chroma |
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405 | Void TEncEntropy::encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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406 | { |
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407 | #if AUXILIARY_PICTURES |
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408 | if ( pcCU->getSlice()->getChromaFormatIdc() == CHROMA_400 ) |
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409 | { |
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410 | return; |
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411 | } |
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412 | #endif |
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413 | if( bRD ) |
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414 | { |
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415 | uiAbsPartIdx = 0; |
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416 | } |
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417 | |
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418 | m_pcEntropyCoderIf->codeIntraDirChroma( pcCU, uiAbsPartIdx ); |
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419 | } |
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420 | |
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421 | Void TEncEntropy::encodePredInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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422 | { |
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423 | if( bRD ) |
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424 | { |
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425 | uiAbsPartIdx = 0; |
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426 | } |
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427 | if( pcCU->isIntra( uiAbsPartIdx ) ) // If it is Intra mode, encode intra prediction mode. |
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428 | { |
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429 | encodeIntraDirModeLuma ( pcCU, uiAbsPartIdx,true ); |
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430 | encodeIntraDirModeChroma( pcCU, uiAbsPartIdx, bRD ); |
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431 | } |
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432 | else // if it is Inter mode, encode motion vector and reference index |
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433 | { |
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434 | encodePUWise( pcCU, uiAbsPartIdx, bRD ); |
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435 | } |
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436 | } |
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437 | |
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438 | /** encode motion information for every PU block |
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439 | * \param pcCU |
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440 | * \param uiAbsPartIdx |
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441 | * \param bRD |
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442 | * \returns Void |
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443 | */ |
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444 | Void TEncEntropy::encodePUWise( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
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445 | { |
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446 | if ( bRD ) |
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447 | { |
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448 | uiAbsPartIdx = 0; |
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449 | } |
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450 | |
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451 | PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx ); |
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452 | UInt uiNumPU = ( ePartSize == SIZE_2Nx2N ? 1 : ( ePartSize == SIZE_NxN ? 4 : 2 ) ); |
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453 | UInt uiDepth = pcCU->getDepth( uiAbsPartIdx ); |
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454 | UInt uiPUOffset = ( g_auiPUOffset[UInt( ePartSize )] << ( ( pcCU->getSlice()->getSPS()->getMaxCUDepth() - uiDepth ) << 1 ) ) >> 4; |
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455 | |
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456 | for ( UInt uiPartIdx = 0, uiSubPartIdx = uiAbsPartIdx; uiPartIdx < uiNumPU; uiPartIdx++, uiSubPartIdx += uiPUOffset ) |
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457 | { |
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458 | encodeMergeFlag( pcCU, uiSubPartIdx ); |
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459 | if ( pcCU->getMergeFlag( uiSubPartIdx ) ) |
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460 | { |
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461 | encodeMergeIndex( pcCU, uiSubPartIdx ); |
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462 | } |
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463 | else |
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464 | { |
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465 | encodeInterDirPU( pcCU, uiSubPartIdx ); |
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466 | for ( UInt uiRefListIdx = 0; uiRefListIdx < 2; uiRefListIdx++ ) |
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467 | { |
---|
468 | if ( pcCU->getSlice()->getNumRefIdx( RefPicList( uiRefListIdx ) ) > 0 ) |
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469 | { |
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470 | encodeRefFrmIdxPU ( pcCU, uiSubPartIdx, RefPicList( uiRefListIdx ) ); |
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471 | encodeMvdPU ( pcCU, uiSubPartIdx, RefPicList( uiRefListIdx ) ); |
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472 | encodeMVPIdxPU ( pcCU, uiSubPartIdx, RefPicList( uiRefListIdx ) ); |
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473 | } |
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474 | } |
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475 | } |
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476 | } |
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477 | |
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478 | return; |
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479 | } |
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480 | |
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481 | Void TEncEntropy::encodeInterDirPU( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
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482 | { |
---|
483 | if ( !pcCU->getSlice()->isInterB() ) |
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484 | { |
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485 | return; |
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486 | } |
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487 | |
---|
488 | m_pcEntropyCoderIf->codeInterDir( pcCU, uiAbsPartIdx ); |
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489 | return; |
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490 | } |
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491 | |
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492 | /** encode reference frame index for a PU block |
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493 | * \param pcCU |
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494 | * \param uiAbsPartIdx |
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495 | * \param eRefList |
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496 | * \returns Void |
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497 | */ |
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498 | Void TEncEntropy::encodeRefFrmIdxPU( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
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499 | { |
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500 | assert( !pcCU->isIntra( uiAbsPartIdx ) ); |
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501 | { |
---|
502 | if ( ( pcCU->getSlice()->getNumRefIdx( eRefList ) == 1 ) ) |
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503 | { |
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504 | return; |
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505 | } |
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506 | |
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507 | if ( pcCU->getInterDir( uiAbsPartIdx ) & ( 1 << eRefList ) ) |
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508 | { |
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509 | m_pcEntropyCoderIf->codeRefFrmIdx( pcCU, uiAbsPartIdx, eRefList ); |
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510 | } |
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511 | } |
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512 | |
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513 | return; |
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514 | } |
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515 | |
---|
516 | /** encode motion vector difference for a PU block |
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517 | * \param pcCU |
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518 | * \param uiAbsPartIdx |
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519 | * \param eRefList |
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520 | * \returns Void |
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521 | */ |
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522 | Void TEncEntropy::encodeMvdPU( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
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523 | { |
---|
524 | assert( !pcCU->isIntra( uiAbsPartIdx ) ); |
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525 | |
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526 | if ( pcCU->getInterDir( uiAbsPartIdx ) & ( 1 << eRefList ) ) |
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527 | { |
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528 | m_pcEntropyCoderIf->codeMvd( pcCU, uiAbsPartIdx, eRefList ); |
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529 | } |
---|
530 | return; |
---|
531 | } |
---|
532 | |
---|
533 | Void TEncEntropy::encodeMVPIdxPU( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
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534 | { |
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535 | if ( (pcCU->getInterDir( uiAbsPartIdx ) & ( 1 << eRefList )) ) |
---|
536 | { |
---|
537 | m_pcEntropyCoderIf->codeMVPIdx( pcCU, uiAbsPartIdx, eRefList ); |
---|
538 | } |
---|
539 | |
---|
540 | return; |
---|
541 | } |
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542 | |
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543 | Void TEncEntropy::encodeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) |
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544 | { |
---|
545 | m_pcEntropyCoderIf->codeQtCbf( pcCU, uiAbsPartIdx, eType, uiTrDepth ); |
---|
546 | } |
---|
547 | |
---|
548 | Void TEncEntropy::encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) |
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549 | { |
---|
550 | m_pcEntropyCoderIf->codeTransformSubdivFlag( uiSymbol, uiCtx ); |
---|
551 | } |
---|
552 | |
---|
553 | Void TEncEntropy::encodeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
554 | { |
---|
555 | m_pcEntropyCoderIf->codeQtRootCbf( pcCU, uiAbsPartIdx ); |
---|
556 | } |
---|
557 | |
---|
558 | Void TEncEntropy::encodeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ) |
---|
559 | { |
---|
560 | m_pcEntropyCoderIf->codeQtCbfZero( pcCU, eType, uiTrDepth ); |
---|
561 | } |
---|
562 | Void TEncEntropy::encodeQtRootCbfZero( TComDataCU* pcCU ) |
---|
563 | { |
---|
564 | m_pcEntropyCoderIf->codeQtRootCbfZero( pcCU ); |
---|
565 | } |
---|
566 | |
---|
567 | // dQP |
---|
568 | Void TEncEntropy::encodeQP( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD ) |
---|
569 | { |
---|
570 | if( bRD ) |
---|
571 | { |
---|
572 | uiAbsPartIdx = 0; |
---|
573 | } |
---|
574 | |
---|
575 | if ( pcCU->getSlice()->getPPS()->getUseDQP() ) |
---|
576 | { |
---|
577 | m_pcEntropyCoderIf->codeDeltaQP( pcCU, uiAbsPartIdx ); |
---|
578 | } |
---|
579 | } |
---|
580 | |
---|
581 | |
---|
582 | // texture |
---|
583 | /** encode coefficients |
---|
584 | * \param pcCU |
---|
585 | * \param uiAbsPartIdx |
---|
586 | * \param uiDepth |
---|
587 | * \param uiWidth |
---|
588 | * \param uiHeight |
---|
589 | */ |
---|
590 | Void TEncEntropy::encodeCoeff( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP ) |
---|
591 | { |
---|
592 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
---|
593 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
---|
594 | UInt uiChromaOffset = uiLumaOffset>>2; |
---|
595 | |
---|
596 | if( pcCU->isIntra(uiAbsPartIdx) ) |
---|
597 | { |
---|
598 | DTRACE_CABAC_VL( g_nSymbolCounter++ ) |
---|
599 | DTRACE_CABAC_T( "\tdecodeTransformIdx()\tCUDepth=" ) |
---|
600 | DTRACE_CABAC_V( uiDepth ) |
---|
601 | DTRACE_CABAC_T( "\n" ) |
---|
602 | } |
---|
603 | else |
---|
604 | { |
---|
605 | if( !(pcCU->getMergeFlag( uiAbsPartIdx ) && pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N ) ) |
---|
606 | { |
---|
607 | m_pcEntropyCoderIf->codeQtRootCbf( pcCU, uiAbsPartIdx ); |
---|
608 | } |
---|
609 | if ( !pcCU->getQtRootCbf( uiAbsPartIdx ) ) |
---|
610 | { |
---|
611 | return; |
---|
612 | } |
---|
613 | } |
---|
614 | |
---|
615 | xEncodeTransform( pcCU, uiLumaOffset, uiChromaOffset, uiAbsPartIdx, uiDepth, uiWidth, uiHeight, 0, bCodeDQP); |
---|
616 | } |
---|
617 | |
---|
618 | Void TEncEntropy::encodeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoeff, UInt uiAbsPartIdx, UInt uiTrWidth, UInt uiTrHeight, UInt uiDepth, TextType eType ) |
---|
619 | { |
---|
620 | // This is for Transform unit processing. This may be used at mode selection stage for Inter. |
---|
621 | m_pcEntropyCoderIf->codeCoeffNxN( pcCU, pcCoeff, uiAbsPartIdx, uiTrWidth, uiTrHeight, uiDepth, eType ); |
---|
622 | } |
---|
623 | |
---|
624 | Void TEncEntropy::estimateBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType) |
---|
625 | { |
---|
626 | eTType = eTType == TEXT_LUMA ? TEXT_LUMA : TEXT_CHROMA; |
---|
627 | |
---|
628 | m_pcEntropyCoderIf->estBit ( pcEstBitsSbac, width, height, eTType ); |
---|
629 | } |
---|
630 | |
---|
631 | Int TEncEntropy::countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize ) |
---|
632 | { |
---|
633 | Int count = 0; |
---|
634 | |
---|
635 | for ( Int i = 0; i < uiSize; i++ ) |
---|
636 | { |
---|
637 | count += pcCoef[i] != 0; |
---|
638 | } |
---|
639 | |
---|
640 | return count; |
---|
641 | } |
---|
642 | |
---|
643 | /** encode quantization matrix |
---|
644 | * \param scalingList quantization matrix information |
---|
645 | */ |
---|
646 | Void TEncEntropy::encodeScalingList( TComScalingList* scalingList ) |
---|
647 | { |
---|
648 | m_pcEntropyCoderIf->codeScalingList( scalingList ); |
---|
649 | } |
---|
650 | |
---|
651 | //! \} |
---|