1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2012, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** \file TDecSlice.cpp |
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35 | \brief slice decoder class |
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36 | */ |
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37 | |
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38 | #include "TDecSlice.h" |
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39 | |
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40 | //! \ingroup TLibDecoder |
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41 | //! \{ |
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42 | |
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43 | ////////////////////////////////////////////////////////////////////// |
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44 | // Construction/Destruction |
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45 | ////////////////////////////////////////////////////////////////////// |
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46 | |
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47 | TDecSlice::TDecSlice() |
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48 | { |
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49 | m_pcBufferSbacDecoders = NULL; |
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50 | m_pcBufferBinCABACs = NULL; |
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51 | m_pcBufferLowLatSbacDecoders = NULL; |
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52 | m_pcBufferLowLatBinCABACs = NULL; |
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53 | } |
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54 | |
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55 | TDecSlice::~TDecSlice() |
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56 | { |
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57 | #if DEPENDENT_SLICES |
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58 | for (std::vector<TDecSbac*>::iterator i = CTXMem.begin(); i != CTXMem.end(); i++) |
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59 | { |
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60 | delete (*i); |
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61 | } |
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62 | CTXMem.clear(); |
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63 | #endif |
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64 | } |
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65 | |
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66 | #if DEPENDENT_SLICES |
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67 | Void TDecSlice::initCtxMem( UInt i ) |
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68 | { |
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69 | for (std::vector<TDecSbac*>::iterator j = CTXMem.begin(); j != CTXMem.end(); j++) |
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70 | { |
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71 | delete (*j); |
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72 | } |
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73 | CTXMem.clear(); |
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74 | CTXMem.resize(i); |
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75 | } |
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76 | #endif |
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77 | |
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78 | Void TDecSlice::create( TComSlice* pcSlice, Int iWidth, Int iHeight, UInt uiMaxWidth, UInt uiMaxHeight, UInt uiMaxDepth ) |
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79 | { |
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80 | } |
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81 | |
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82 | Void TDecSlice::destroy() |
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83 | { |
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84 | if ( m_pcBufferSbacDecoders ) |
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85 | { |
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86 | delete[] m_pcBufferSbacDecoders; |
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87 | m_pcBufferSbacDecoders = NULL; |
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88 | } |
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89 | if ( m_pcBufferBinCABACs ) |
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90 | { |
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91 | delete[] m_pcBufferBinCABACs; |
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92 | m_pcBufferBinCABACs = NULL; |
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93 | } |
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94 | if ( m_pcBufferLowLatSbacDecoders ) |
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95 | { |
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96 | delete[] m_pcBufferLowLatSbacDecoders; |
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97 | m_pcBufferLowLatSbacDecoders = NULL; |
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98 | } |
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99 | if ( m_pcBufferLowLatBinCABACs ) |
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100 | { |
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101 | delete[] m_pcBufferLowLatBinCABACs; |
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102 | m_pcBufferLowLatBinCABACs = NULL; |
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103 | } |
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104 | } |
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105 | |
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106 | #if SVC_EXTENSION |
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107 | Void TDecSlice::init(TDecTop** ppcDecTop,TDecEntropy* pcEntropyDecoder, TDecCu* pcCuDecoder) |
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108 | #else |
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109 | Void TDecSlice::init(TDecEntropy* pcEntropyDecoder, TDecCu* pcCuDecoder) |
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110 | #endif |
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111 | { |
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112 | m_pcEntropyDecoder = pcEntropyDecoder; |
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113 | m_pcCuDecoder = pcCuDecoder; |
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114 | #if SVC_EXTENSION |
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115 | m_ppcTDecTop = ppcDecTop; |
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116 | #endif |
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117 | } |
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118 | |
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119 | Void TDecSlice::decompressSlice(TComInputBitstream* pcBitstream, TComInputBitstream** ppcSubstreams, TComPic*& rpcPic, TDecSbac* pcSbacDecoder, TDecSbac* pcSbacDecoders) |
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120 | { |
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121 | TComDataCU* pcCU; |
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122 | UInt uiIsLast = 0; |
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123 | Int iStartCUEncOrder = max(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU(), rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getDependentSliceCurStartCUAddr()/rpcPic->getNumPartInCU()); |
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124 | Int iStartCUAddr = rpcPic->getPicSym()->getCUOrderMap(iStartCUEncOrder); |
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125 | |
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126 | // decoder don't need prediction & residual frame buffer |
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127 | rpcPic->setPicYuvPred( 0 ); |
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128 | rpcPic->setPicYuvResi( 0 ); |
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129 | |
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130 | #if ENC_DEC_TRACE |
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131 | g_bJustDoIt = g_bEncDecTraceEnable; |
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132 | #endif |
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133 | DTRACE_CABAC_VL( g_nSymbolCounter++ ); |
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134 | DTRACE_CABAC_T( "\tPOC: " ); |
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135 | DTRACE_CABAC_V( rpcPic->getPOC() ); |
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136 | DTRACE_CABAC_T( "\n" ); |
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137 | |
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138 | #if ENC_DEC_TRACE |
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139 | g_bJustDoIt = g_bEncDecTraceDisable; |
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140 | #endif |
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141 | |
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142 | UInt uiTilesAcross = rpcPic->getPicSym()->getNumColumnsMinus1()+1; |
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143 | TComSlice* pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx()); |
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144 | Int iNumSubstreams = pcSlice->getPPS()->getNumSubstreams(); |
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145 | |
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146 | // delete decoders if already allocated in previous slice |
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147 | if (m_pcBufferSbacDecoders) |
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148 | { |
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149 | delete [] m_pcBufferSbacDecoders; |
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150 | } |
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151 | if (m_pcBufferBinCABACs) |
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152 | { |
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153 | delete [] m_pcBufferBinCABACs; |
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154 | } |
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155 | // allocate new decoders based on tile numbaer |
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156 | m_pcBufferSbacDecoders = new TDecSbac [uiTilesAcross]; |
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157 | m_pcBufferBinCABACs = new TDecBinCABAC[uiTilesAcross]; |
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158 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
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159 | { |
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160 | m_pcBufferSbacDecoders[ui].init(&m_pcBufferBinCABACs[ui]); |
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161 | } |
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162 | //save init. state |
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163 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
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164 | { |
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165 | m_pcBufferSbacDecoders[ui].load(pcSbacDecoder); |
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166 | } |
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167 | |
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168 | // free memory if already allocated in previous call |
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169 | if (m_pcBufferLowLatSbacDecoders) |
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170 | { |
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171 | delete [] m_pcBufferLowLatSbacDecoders; |
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172 | } |
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173 | if (m_pcBufferLowLatBinCABACs) |
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174 | { |
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175 | delete [] m_pcBufferLowLatBinCABACs; |
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176 | } |
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177 | m_pcBufferLowLatSbacDecoders = new TDecSbac [uiTilesAcross]; |
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178 | m_pcBufferLowLatBinCABACs = new TDecBinCABAC[uiTilesAcross]; |
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179 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
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180 | { |
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181 | m_pcBufferLowLatSbacDecoders[ui].init(&m_pcBufferLowLatBinCABACs[ui]); |
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182 | } |
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183 | //save init. state |
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184 | for (UInt ui = 0; ui < uiTilesAcross; ui++) |
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185 | { |
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186 | m_pcBufferLowLatSbacDecoders[ui].load(pcSbacDecoder); |
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187 | } |
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188 | |
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189 | UInt uiWidthInLCUs = rpcPic->getPicSym()->getFrameWidthInCU(); |
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190 | //UInt uiHeightInLCUs = rpcPic->getPicSym()->getFrameHeightInCU(); |
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191 | UInt uiCol=0, uiLin=0, uiSubStrm=0; |
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192 | |
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193 | UInt uiTileCol; |
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194 | UInt uiTileStartLCU; |
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195 | UInt uiTileLCUX; |
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196 | UInt uiTileLCUY; |
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197 | UInt uiTileWidth; |
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198 | UInt uiTileHeight; |
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199 | Int iNumSubstreamsPerTile = 1; // if independent. |
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200 | |
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201 | #if INTRA_BL |
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202 | m_pcCuDecoder->setBaseRecPic( rpcPic->getLayerId() > 0 ? rpcPic->getFullPelBaseRec() : NULL); |
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203 | #endif |
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204 | #if DEPENDENT_SLICES |
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205 | Bool bAllowDependence = false; |
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206 | #if TILES_WPP_ENTROPYSLICES_FLAGS |
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207 | if( rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getPPS()->getDependentSliceEnabledFlag()&& (!rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getPPS()->getEntropySliceEnabledFlag()) ) |
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208 | #else |
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209 | if( rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getPPS()->getDependentSliceEnabledFlag()&& (!rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getPPS()->getCabacIndependentFlag()) ) |
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210 | #endif |
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211 | { |
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212 | bAllowDependence = true; |
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213 | } |
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214 | if( bAllowDependence ) |
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215 | { |
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216 | if( !rpcPic->getSlice(rpcPic->getCurrSliceIdx())->isNextSlice() ) |
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217 | { |
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218 | uiTileCol = 0; |
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219 | #if TILES_WPP_ENTROPYSLICES_FLAGS |
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220 | if(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) |
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221 | #else |
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222 | if(pcSlice->getPPS()->getTilesOrEntropyCodingSyncIdc()==2) |
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223 | #endif |
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224 | { |
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225 | m_pcBufferSbacDecoders[uiTileCol].loadContexts( CTXMem[1] );//2.LCU |
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226 | } |
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227 | pcSbacDecoder->loadContexts(CTXMem[0] ); //end of depSlice-1 |
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228 | pcSbacDecoders[uiSubStrm].loadContexts(pcSbacDecoder); |
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229 | } |
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230 | else |
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231 | { |
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232 | #if TILES_WPP_ENTROPYSLICES_FLAGS |
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233 | if(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) |
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234 | #else |
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235 | if(pcSlice->getPPS()->getTilesOrEntropyCodingSyncIdc()==2) |
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236 | #endif |
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237 | { |
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238 | CTXMem[1]->loadContexts(pcSbacDecoder); |
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239 | } |
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240 | CTXMem[0]->loadContexts(pcSbacDecoder); |
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241 | } |
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242 | } |
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243 | #endif |
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244 | for( Int iCUAddr = iStartCUAddr; !uiIsLast && iCUAddr < rpcPic->getNumCUsInFrame(); iCUAddr = rpcPic->getPicSym()->xCalculateNxtCUAddr(iCUAddr) ) |
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245 | { |
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246 | pcCU = rpcPic->getCU( iCUAddr ); |
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247 | pcCU->initCU( rpcPic, iCUAddr ); |
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248 | uiTileCol = rpcPic->getPicSym()->getTileIdxMap(iCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); // what column of tiles are we in? |
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249 | uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getFirstCUAddr(); |
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250 | uiTileLCUX = uiTileStartLCU % uiWidthInLCUs; |
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251 | uiTileLCUY = uiTileStartLCU / uiWidthInLCUs; |
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252 | uiTileWidth = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getTileWidth(); |
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253 | uiTileHeight = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getTileHeight(); |
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254 | uiCol = iCUAddr % uiWidthInLCUs; |
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255 | // The 'line' is now relative to the 1st line in the slice, not the 1st line in the picture. |
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256 | uiLin = (iCUAddr/uiWidthInLCUs)-(iStartCUAddr/uiWidthInLCUs); |
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257 | // inherit from TR if necessary, select substream to use. |
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258 | #if DEPENDENT_SLICES |
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259 | #if TILES_WPP_ENTROPYSLICES_FLAGS |
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260 | if( (pcSlice->getPPS()->getNumSubstreams() > 1) || ( bAllowDependence && (uiCol == uiTileLCUX)&&(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) )) |
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261 | #else |
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262 | if( (pcSlice->getPPS()->getNumSubstreams() > 1) || ( bAllowDependence && (uiCol == uiTileLCUX)&&(pcSlice->getPPS()->getTilesOrEntropyCodingSyncIdc()==2) )) |
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263 | #endif |
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264 | #else |
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265 | if( pcSlice->getPPS()->getNumSubstreams() > 1 ) |
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266 | #endif |
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267 | { |
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268 | // independent tiles => substreams are "per tile". iNumSubstreams has already been multiplied. |
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269 | iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles(); |
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270 | uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(iCUAddr)*iNumSubstreamsPerTile |
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271 | + uiLin%iNumSubstreamsPerTile; |
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272 | m_pcEntropyDecoder->setBitstream( ppcSubstreams[uiSubStrm] ); |
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273 | // Synchronize cabac probabilities with upper-right LCU if it's available and we're at the start of a line. |
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274 | #if DEPENDENT_SLICES |
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275 | #if TILES_WPP_ENTROPYSLICES_FLAGS |
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276 | if (((pcSlice->getPPS()->getNumSubstreams() > 1) || bAllowDependence ) && (uiCol == uiTileLCUX)&&(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag())) |
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277 | #else |
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278 | if (((pcSlice->getPPS()->getNumSubstreams() > 1) || bAllowDependence ) && (uiCol == uiTileLCUX)&&(pcSlice->getPPS()->getTilesOrEntropyCodingSyncIdc()==2)) |
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279 | #endif |
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280 | #else |
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281 | if (pcSlice->getPPS()->getNumSubstreams() > 1 && uiCol == uiTileLCUX) |
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282 | #endif |
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283 | { |
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284 | // We'll sync if the TR is available. |
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285 | TComDataCU *pcCUUp = pcCU->getCUAbove(); |
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286 | UInt uiWidthInCU = rpcPic->getFrameWidthInCU(); |
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287 | TComDataCU *pcCUTR = NULL; |
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288 | if ( pcCUUp && ((iCUAddr%uiWidthInCU+1) < uiWidthInCU) ) |
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289 | { |
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290 | pcCUTR = rpcPic->getCU( iCUAddr - uiWidthInCU + 1 ); |
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291 | } |
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292 | UInt uiMaxParts = 1<<(pcSlice->getSPS()->getMaxCUDepth()<<1); |
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293 | |
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294 | if ( (true/*bEnforceSliceRestriction*/ && |
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295 | ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || |
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296 | ((pcCUTR->getSCUAddr()+uiMaxParts-1) < pcSlice->getSliceCurStartCUAddr()) || |
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297 | ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr))) |
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298 | ))|| |
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299 | (true/*bEnforceDependentSliceRestriction*/ && |
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300 | ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || |
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301 | ((pcCUTR->getSCUAddr()+uiMaxParts-1) < pcSlice->getDependentSliceCurStartCUAddr()) || |
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302 | ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr))) |
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303 | )) |
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304 | ) |
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305 | { |
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306 | #if DEPENDENT_SLICES |
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307 | if( (iCUAddr!=0) && ((pcCUTR->getSCUAddr()+uiMaxParts-1) >= pcSlice->getSliceCurStartCUAddr()) && bAllowDependence) |
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308 | { |
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309 | pcSbacDecoders[uiSubStrm].loadContexts( &m_pcBufferSbacDecoders[uiTileCol] ); |
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310 | } |
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311 | #endif |
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312 | // TR not available. |
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313 | } |
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314 | else |
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315 | { |
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316 | // TR is available, we use it. |
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317 | pcSbacDecoders[uiSubStrm].loadContexts( &m_pcBufferSbacDecoders[uiTileCol] ); |
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318 | } |
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319 | } |
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320 | pcSbacDecoder->load(&pcSbacDecoders[uiSubStrm]); //this load is used to simplify the code (avoid to change all the call to pcSbacDecoders) |
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321 | } |
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322 | else if ( pcSlice->getPPS()->getNumSubstreams() <= 1 ) |
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323 | { |
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324 | // Set variables to appropriate values to avoid later code change. |
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325 | iNumSubstreamsPerTile = 1; |
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326 | } |
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327 | |
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328 | if ( (iCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getFirstCUAddr()) && // 1st in tile. |
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329 | (iCUAddr!=0) && (iCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr())/rpcPic->getNumPartInCU()) |
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330 | #if DEPENDENT_SLICES |
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331 | && (iCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getDependentSliceCurStartCUAddr())/rpcPic->getNumPartInCU()) |
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332 | #endif |
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333 | ) // !1st in frame && !1st in slice |
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334 | { |
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335 | if (pcSlice->getPPS()->getNumSubstreams() > 1) |
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336 | { |
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337 | // We're crossing into another tile, tiles are independent. |
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338 | // When tiles are independent, we have "substreams per tile". Each substream has already been terminated, and we no longer |
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339 | // have to perform it here. |
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340 | // For TILES_DECODER, there can be a header at the start of the 1st substream in a tile. These are read when the substreams |
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341 | // are extracted, not here. |
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342 | } |
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343 | else |
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344 | { |
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345 | SliceType sliceType = pcSlice->getSliceType(); |
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346 | if (pcSlice->getCabacInitFlag()) |
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347 | { |
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348 | switch (sliceType) |
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349 | { |
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350 | case P_SLICE: // change initialization table to B_SLICE intialization |
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351 | sliceType = B_SLICE; |
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352 | break; |
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353 | case B_SLICE: // change initialization table to P_SLICE intialization |
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354 | sliceType = P_SLICE; |
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355 | break; |
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356 | default : // should not occur |
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357 | assert(0); |
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358 | } |
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359 | } |
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360 | m_pcEntropyDecoder->updateContextTables( sliceType, pcSlice->getSliceQp() ); |
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361 | } |
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362 | |
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363 | } |
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364 | |
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365 | #if ENC_DEC_TRACE |
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366 | g_bJustDoIt = g_bEncDecTraceEnable; |
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367 | #endif |
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368 | #if !SAO_LUM_CHROMA_ONOFF_FLAGS |
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369 | if ( pcSlice->getSPS()->getUseSAO() && pcSlice->getSaoEnabledFlag() ) |
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370 | #else |
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371 | if ( pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma()) ) |
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372 | #endif |
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373 | { |
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374 | #if REMOVE_APS |
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375 | SAOParam *saoParam = rpcPic->getPicSym()->getSaoParam(); |
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376 | #else |
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377 | SAOParam *saoParam = pcSlice->getAPS()->getSaoParam(); |
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378 | #endif |
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379 | saoParam->bSaoFlag[0] = pcSlice->getSaoEnabledFlag(); |
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380 | if (iCUAddr == iStartCUAddr) |
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381 | { |
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382 | #if SAO_TYPE_SHARING |
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383 | saoParam->bSaoFlag[1] = pcSlice->getSaoEnabledFlagChroma(); |
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384 | #else |
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385 | saoParam->bSaoFlag[1] = pcSlice->getSaoEnabledFlagCb(); |
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386 | saoParam->bSaoFlag[2] = pcSlice->getSaoEnabledFlagCr(); |
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387 | #endif |
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388 | } |
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389 | Int numCuInWidth = saoParam->numCuInWidth; |
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390 | Int cuAddrInSlice = iCUAddr - rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU()); |
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391 | Int cuAddrUpInSlice = cuAddrInSlice - numCuInWidth; |
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392 | Int rx = iCUAddr % numCuInWidth; |
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393 | Int ry = iCUAddr / numCuInWidth; |
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394 | Int allowMergeLeft = 1; |
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395 | Int allowMergeUp = 1; |
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396 | if (rx!=0) |
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397 | { |
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398 | if (rpcPic->getPicSym()->getTileIdxMap(iCUAddr-1) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr)) |
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399 | { |
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400 | allowMergeLeft = 0; |
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401 | } |
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402 | } |
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403 | if (ry!=0) |
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404 | { |
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405 | if (rpcPic->getPicSym()->getTileIdxMap(iCUAddr-numCuInWidth) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr)) |
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406 | { |
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407 | allowMergeUp = 0; |
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408 | } |
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409 | } |
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410 | pcSbacDecoder->parseSaoOneLcuInterleaving(rx, ry, saoParam,pcCU, cuAddrInSlice, cuAddrUpInSlice, allowMergeLeft, allowMergeUp); |
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411 | } |
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412 | #if !REMOVE_ALF |
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413 | if(pcSlice->getSPS()->getUseALF()) |
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414 | { |
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415 | UInt alfEnabledFlag; |
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416 | for(Int compIdx=0; compIdx< 3; compIdx++) |
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417 | { |
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418 | alfEnabledFlag = 0; |
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419 | if(pcSlice->getAlfEnabledFlag(compIdx)) |
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420 | { |
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421 | pcSbacDecoder->parseAlfCtrlFlag(compIdx, alfEnabledFlag); |
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422 | } |
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423 | pcCU->setAlfLCUEnabled((alfEnabledFlag==1)?true:false, compIdx); |
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424 | } |
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425 | } |
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426 | #endif |
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427 | m_pcCuDecoder->decodeCU ( pcCU, uiIsLast ); |
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428 | m_pcCuDecoder->decompressCU ( pcCU ); |
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429 | |
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430 | #if ENC_DEC_TRACE |
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431 | g_bJustDoIt = g_bEncDecTraceDisable; |
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432 | #endif |
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433 | /*If at the end of a LCU line but not at the end of a substream, perform CABAC flush*/ |
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434 | if (!uiIsLast && pcSlice->getPPS()->getNumSubstreams() > 1) |
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435 | { |
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436 | if ((uiCol == uiTileLCUX+uiTileWidth-1) && (uiLin+iNumSubstreamsPerTile < uiTileLCUY+uiTileHeight)) |
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437 | { |
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438 | m_pcEntropyDecoder->decodeFlush(); |
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439 | } |
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440 | } |
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441 | pcSbacDecoders[uiSubStrm].load(pcSbacDecoder); |
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442 | |
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443 | //Store probabilities of second LCU in line into buffer |
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444 | #if DEPENDENT_SLICES |
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445 | #if TILES_WPP_ENTROPYSLICES_FLAGS |
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446 | if ( (uiCol == uiTileLCUX+1)&& (bAllowDependence || (pcSlice->getPPS()->getNumSubstreams() > 1)) && (pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) ) |
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447 | #else |
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448 | if ( (uiCol == uiTileLCUX+1)&& (bAllowDependence || (pcSlice->getPPS()->getNumSubstreams() > 1)) && (pcSlice->getPPS()->getTilesOrEntropyCodingSyncIdc() == 2)) |
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449 | #endif |
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450 | #else |
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451 | if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiCol == uiTileLCUX+1)) |
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452 | #endif |
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453 | { |
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454 | m_pcBufferSbacDecoders[uiTileCol].loadContexts( &pcSbacDecoders[uiSubStrm] ); |
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455 | } |
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456 | #if DEPENDENT_SLICES |
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457 | if( uiIsLast && bAllowDependence ) |
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458 | { |
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459 | #if TILES_WPP_ENTROPYSLICES_FLAGS |
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460 | if (pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) |
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461 | #else |
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462 | if (pcSlice->getPPS()->getTilesOrEntropyCodingSyncIdc()==2) |
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463 | #endif |
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464 | { |
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465 | CTXMem[1]->loadContexts( &m_pcBufferSbacDecoders[uiTileCol] );//ctx 2.LCU |
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466 | } |
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467 | CTXMem[0]->loadContexts( pcSbacDecoder );//ctx end of dep.slice |
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468 | return; |
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469 | } |
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470 | #endif |
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471 | } |
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472 | } |
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473 | |
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474 | ParameterSetManagerDecoder::ParameterSetManagerDecoder() |
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475 | : m_vpsBuffer(MAX_NUM_VPS) |
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476 | ,m_spsBuffer(256) |
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477 | , m_ppsBuffer(16) |
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478 | #if !REMOVE_APS |
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479 | , m_apsBuffer(64) |
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480 | #endif |
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481 | { |
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482 | |
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483 | } |
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484 | |
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485 | ParameterSetManagerDecoder::~ParameterSetManagerDecoder() |
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486 | { |
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487 | |
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488 | } |
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489 | |
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490 | TComVPS* ParameterSetManagerDecoder::getPrefetchedVPS (Int vpsId) |
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491 | { |
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492 | if (m_vpsBuffer.getPS(vpsId) != NULL ) |
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493 | { |
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494 | return m_vpsBuffer.getPS(vpsId); |
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495 | } |
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496 | else |
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497 | { |
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498 | return getVPS(vpsId); |
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499 | } |
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500 | } |
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501 | |
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502 | |
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503 | TComSPS* ParameterSetManagerDecoder::getPrefetchedSPS (Int spsId) |
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504 | { |
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505 | if (m_spsBuffer.getPS(spsId) != NULL ) |
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506 | { |
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507 | return m_spsBuffer.getPS(spsId); |
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508 | } |
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509 | else |
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510 | { |
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511 | return getSPS(spsId); |
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512 | } |
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513 | } |
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514 | |
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515 | TComPPS* ParameterSetManagerDecoder::getPrefetchedPPS (Int ppsId) |
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516 | { |
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517 | if (m_ppsBuffer.getPS(ppsId) != NULL ) |
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518 | { |
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519 | return m_ppsBuffer.getPS(ppsId); |
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520 | } |
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521 | else |
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522 | { |
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523 | return getPPS(ppsId); |
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524 | } |
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525 | } |
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526 | |
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527 | #if !REMOVE_APS |
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528 | TComAPS* ParameterSetManagerDecoder::getPrefetchedAPS (Int apsId) |
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529 | { |
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530 | if (m_apsBuffer.getPS(apsId) != NULL ) |
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531 | { |
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532 | return m_apsBuffer.getPS(apsId); |
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533 | } |
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534 | else |
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535 | { |
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536 | return getAPS(apsId); |
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537 | } |
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538 | } |
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539 | #endif |
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540 | |
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541 | Void ParameterSetManagerDecoder::applyPrefetchedPS() |
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542 | { |
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543 | m_vpsMap.mergePSList(m_vpsBuffer); |
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544 | #if !REMOVE_APS |
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545 | m_apsMap.mergePSList(m_apsBuffer); |
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546 | #endif |
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547 | m_ppsMap.mergePSList(m_ppsBuffer); |
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548 | m_spsMap.mergePSList(m_spsBuffer); |
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549 | } |
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550 | |
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551 | //! \} |
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