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 TEncCavlc.cpp |
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35 | \brief CAVLC encoder class |
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36 | */ |
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37 | |
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38 | #include "../TLibCommon/CommonDef.h" |
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39 | #include "TEncCavlc.h" |
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40 | #include "SEIwrite.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 | #if ENC_DEC_TRACE |
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46 | |
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47 | #define WRITE_CODE( value, length, name) xWriteCodeTr ( value, length, name ) |
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48 | #define WRITE_UVLC( value, name) xWriteUvlcTr ( value, name ) |
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49 | #define WRITE_SVLC( value, name) xWriteSvlcTr ( value, name ) |
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50 | #define WRITE_FLAG( value, name) xWriteFlagTr ( value, name ) |
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51 | |
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52 | Void xWriteUvlcTr ( UInt value, const Char *pSymbolName); |
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53 | Void xWriteSvlcTr ( Int value, const Char *pSymbolName); |
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54 | Void xWriteFlagTr ( UInt value, const Char *pSymbolName); |
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55 | |
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56 | Void xTraceSPSHeader (TComSPS *pSPS) |
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57 | { |
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58 | fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() ); |
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59 | } |
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60 | |
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61 | Void xTracePPSHeader (TComPPS *pPPS) |
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62 | { |
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63 | fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() ); |
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64 | } |
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65 | |
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66 | Void xTraceAPSHeader (TComAPS *pAPS) |
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67 | { |
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68 | fprintf( g_hTrace, "=========== Adaptation Parameter Set ===========\n"); |
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69 | } |
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70 | |
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71 | Void xTraceSliceHeader (TComSlice *pSlice) |
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72 | { |
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73 | fprintf( g_hTrace, "=========== Slice ===========\n"); |
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74 | } |
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75 | |
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76 | |
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77 | Void TEncCavlc::xWriteCodeTr (UInt value, UInt length, const Char *pSymbolName) |
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78 | { |
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79 | xWriteCode (value,length); |
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80 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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81 | fprintf( g_hTrace, "%-40s u(%d) : %d\n", pSymbolName, length, value ); |
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82 | } |
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83 | |
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84 | Void TEncCavlc::xWriteUvlcTr (UInt value, const Char *pSymbolName) |
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85 | { |
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86 | xWriteUvlc (value); |
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87 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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88 | fprintf( g_hTrace, "%-40s u(v) : %d\n", pSymbolName, value ); |
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89 | } |
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90 | |
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91 | Void TEncCavlc::xWriteSvlcTr (Int value, const Char *pSymbolName) |
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92 | { |
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93 | xWriteSvlc(value); |
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94 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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95 | fprintf( g_hTrace, "%-40s s(v) : %d\n", pSymbolName, value ); |
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96 | } |
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97 | |
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98 | Void TEncCavlc::xWriteFlagTr(UInt value, const Char *pSymbolName) |
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99 | { |
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100 | xWriteFlag(value); |
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101 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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102 | fprintf( g_hTrace, "%-40s u(1) : %d\n", pSymbolName, value ); |
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103 | } |
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104 | |
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105 | #else |
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106 | |
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107 | #define WRITE_CODE( value, length, name) xWriteCode ( value, length ) |
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108 | #define WRITE_UVLC( value, name) xWriteUvlc ( value ) |
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109 | #define WRITE_SVLC( value, name) xWriteSvlc ( value ) |
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110 | #define WRITE_FLAG( value, name) xWriteFlag ( value ) |
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111 | |
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112 | #endif |
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113 | |
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114 | |
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115 | |
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116 | // ==================================================================================================================== |
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117 | // Constructor / destructor / create / destroy |
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118 | // ==================================================================================================================== |
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119 | |
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120 | TEncCavlc::TEncCavlc() |
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121 | { |
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122 | m_pcBitIf = NULL; |
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123 | m_uiCoeffCost = 0; |
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124 | m_bAlfCtrl = false; |
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125 | m_uiMaxAlfCtrlDepth = 0; |
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126 | |
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127 | m_iSliceGranularity = 0; |
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128 | } |
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129 | |
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130 | TEncCavlc::~TEncCavlc() |
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131 | { |
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132 | } |
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133 | |
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134 | |
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135 | // ==================================================================================================================== |
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136 | // Public member functions |
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137 | // ==================================================================================================================== |
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138 | |
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139 | Void TEncCavlc::resetEntropy() |
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140 | { |
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141 | } |
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142 | |
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143 | /** |
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144 | * marshall the SEI message sei. |
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145 | */ |
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146 | void TEncCavlc::codeSEI(const SEI& sei) |
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147 | { |
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148 | writeSEImessage(*m_pcBitIf, sei); |
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149 | } |
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150 | |
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151 | Void TEncCavlc::codeAPSInitInfo(TComAPS* pcAPS) |
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152 | { |
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153 | |
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154 | #if ENC_DEC_TRACE |
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155 | xTraceAPSHeader(pcAPS); |
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156 | #endif |
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157 | //APS ID |
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158 | WRITE_UVLC( pcAPS->getAPSID(), "aps_id" ); |
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159 | |
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160 | WRITE_FLAG( pcAPS->getScalingListEnabled()?1:0, "aps_scaling_list_data_present_flag"); |
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161 | //DF flag |
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162 | WRITE_FLAG(pcAPS->getLoopFilterOffsetInAPS()?1:0, "aps_deblocking_filter_flag"); |
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163 | #if !SAO_UNIT_INTERLEAVING |
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164 | //SAO flag |
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165 | WRITE_FLAG( pcAPS->getSaoEnabled()?1:0, "aps_sample_adaptive_offset_flag"); |
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166 | #endif |
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167 | #if !LCU_SYNTAX_ALF |
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168 | //ALF flag |
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169 | WRITE_FLAG( pcAPS->getAlfEnabled()?1:0, "aps_adaptive_loop_filter_flag"); |
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170 | #endif |
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171 | } |
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172 | #if LCU_SYNTAX_ALF |
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173 | Void TEncCavlc::codeAPSAlflag(UInt uiCode) |
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174 | { |
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175 | WRITE_FLAG(uiCode, "aps_adaptive_loop_filter_flag"); |
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176 | } |
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177 | #endif |
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178 | |
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179 | Void TEncCavlc::codeDFFlag(UInt uiCode, const Char *pSymbolName) |
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180 | { |
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181 | WRITE_FLAG(uiCode, pSymbolName); |
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182 | } |
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183 | Void TEncCavlc::codeDFSvlc(Int iCode, const Char *pSymbolName) |
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184 | { |
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185 | WRITE_SVLC(iCode, pSymbolName); |
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186 | } |
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187 | |
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188 | #if RPS_IN_SPS |
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189 | Void TEncCavlc::codeShortTermRefPicSet( TComSPS* pcSPS, TComReferencePictureSet* rps ) |
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190 | #else |
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191 | Void TEncCavlc::codeShortTermRefPicSet( TComPPS* pcPPS, TComReferencePictureSet* rps ) |
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192 | #endif |
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193 | { |
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194 | #if PRINT_RPS_INFO |
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195 | int lastBits = getNumberOfWrittenBits(); |
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196 | #endif |
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197 | WRITE_FLAG( rps->getInterRPSPrediction(), "inter_ref_pic_set_prediction_flag" ); // inter_RPS_prediction_flag |
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198 | if (rps->getInterRPSPrediction()) |
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199 | { |
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200 | Int deltaRPS = rps->getDeltaRPS(); |
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201 | WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 |
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202 | WRITE_CODE( (deltaRPS >=0 ? 0: 1), 1, "delta_rps_sign" ); //delta_rps_sign |
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203 | WRITE_UVLC( abs(deltaRPS) - 1, "abs_delta_rps_minus1"); // absolute delta RPS minus 1 |
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204 | |
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205 | for(Int j=0; j < rps->getNumRefIdc(); j++) |
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206 | { |
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207 | Int refIdc = rps->getRefIdc(j); |
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208 | WRITE_CODE( (refIdc==1? 1: 0), 1, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1 |
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209 | if (refIdc != 1) |
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210 | { |
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211 | WRITE_CODE( refIdc>>1, 1, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise. |
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212 | } |
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213 | } |
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214 | } |
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215 | else |
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216 | { |
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217 | WRITE_UVLC( rps->getNumberOfNegativePictures(), "num_negative_pics" ); |
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218 | WRITE_UVLC( rps->getNumberOfPositivePictures(), "num_positive_pics" ); |
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219 | Int prev = 0; |
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220 | for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++) |
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221 | { |
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222 | WRITE_UVLC( prev-rps->getDeltaPOC(j)-1, "delta_poc_s0_minus1" ); |
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223 | prev = rps->getDeltaPOC(j); |
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224 | WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s0_flag"); |
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225 | } |
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226 | prev = 0; |
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227 | for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++) |
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228 | { |
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229 | WRITE_UVLC( rps->getDeltaPOC(j)-prev-1, "delta_poc_s1_minus1" ); |
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230 | prev = rps->getDeltaPOC(j); |
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231 | WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s1_flag" ); |
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232 | } |
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233 | } |
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234 | |
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235 | #if PRINT_RPS_INFO |
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236 | printf("irps=%d (%2d bits) ", rps->getInterRPSPrediction(), getNumberOfWrittenBits() - lastBits); |
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237 | rps->printDeltaPOC(); |
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238 | #endif |
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239 | } |
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240 | |
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241 | |
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242 | Void TEncCavlc::codePPS( TComPPS* pcPPS ) |
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243 | { |
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244 | #if ENC_DEC_TRACE |
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245 | xTracePPSHeader (pcPPS); |
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246 | #endif |
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247 | #if !RPS_IN_SPS |
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248 | TComRPSList* rpsList = pcPPS->getRPSList(); |
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249 | #endif |
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250 | |
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251 | WRITE_UVLC( pcPPS->getPPSId(), "pic_parameter_set_id" ); |
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252 | WRITE_UVLC( pcPPS->getSPSId(), "seq_parameter_set_id" ); |
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253 | |
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254 | #if MULTIBITS_DATA_HIDING |
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255 | WRITE_FLAG( pcPPS->getSignHideFlag(), "sign_data_hiding_flag" ); |
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256 | if( pcPPS->getSignHideFlag() ) |
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257 | { |
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258 | WRITE_CODE(pcPPS->getTSIG(), 4, "sign_hiding_threshold"); |
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259 | } |
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260 | #endif |
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261 | #if CABAC_INIT_FLAG |
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262 | WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" ); |
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263 | #endif |
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264 | #if !RPS_IN_SPS |
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265 | // RPS is put before entropy_coding_mode_flag |
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266 | // since entropy_coding_mode_flag will probably be removed from the WD |
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267 | TComReferencePictureSet* rps; |
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268 | |
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269 | WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" ); |
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270 | for(UInt i=0; i < rpsList->getNumberOfReferencePictureSets(); i++) |
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271 | { |
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272 | rps = rpsList->getReferencePictureSet(i); |
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273 | codeShortTermRefPicSet(pcPPS,rps); |
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274 | } |
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275 | WRITE_FLAG( pcPPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" ); |
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276 | #endif |
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277 | // entropy_coding_mode_flag |
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278 | // We code the entropy_coding_mode_flag, it's needed for tests. |
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279 | WRITE_FLAG( pcPPS->getEntropyCodingMode() ? 1 : 0, "entropy_coding_mode_flag" ); |
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280 | if (pcPPS->getEntropyCodingMode()) |
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281 | { |
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282 | #if !WPP_SIMPLIFICATION |
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283 | WRITE_UVLC( pcPPS->getEntropyCodingSynchro(), "entropy_coding_synchro" ); |
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284 | WRITE_FLAG( pcPPS->getCabacIstateReset() ? 1 : 0, "cabac_istate_reset" ); |
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285 | #endif |
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286 | #if !TILES_OR_ENTROPY_SYNC_IDC |
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287 | #if !WPP_SIMPLIFICATION |
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288 | if ( pcPPS->getEntropyCodingSynchro() ) |
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289 | #endif |
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290 | { |
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291 | WRITE_UVLC( pcPPS->getNumSubstreams()-1, "num_substreams_minus1" ); |
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292 | } |
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293 | #endif |
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294 | } |
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295 | #if !H0566_TLA |
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296 | WRITE_UVLC( pcPPS->getNumTLayerSwitchingFlags(), "num_temporal_layer_switching_point_flags" ); |
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297 | for( UInt i = 0; i < pcPPS->getNumTLayerSwitchingFlags(); i++ ) |
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298 | { |
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299 | WRITE_FLAG( pcPPS->getTLayerSwitchingFlag( i ) ? 1 : 0 , "temporal_layer_switching_point_flag" ); |
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300 | } |
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301 | #endif |
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302 | // num_ref_idx_l0_default_active_minus1 |
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303 | // num_ref_idx_l1_default_active_minus1 |
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304 | WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "pic_init_qp_minus26"); |
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305 | WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" ); |
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306 | WRITE_FLAG( pcPPS->getEnableTMVPFlag() ? 1 : 0, "enable_temporal_mvp_flag" ); |
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307 | WRITE_CODE( pcPPS->getSliceGranularity(), 2, "slice_granularity"); |
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308 | WRITE_UVLC( pcPPS->getMaxCuDQPDepth() + pcPPS->getUseDQP(), "max_cu_qp_delta_depth" ); |
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309 | |
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310 | WRITE_SVLC( pcPPS->getChromaQpOffset(), "chroma_qp_offset" ); |
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311 | WRITE_SVLC( pcPPS->getChromaQpOffset2nd(), "chroma_qp_offset_2nd" ); |
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312 | |
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313 | WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) |
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314 | WRITE_CODE( pcPPS->getWPBiPredIdc(), 2, "weighted_bipred_idc" ); // Use of Weighting Bi-Prediction (B_SLICE) |
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315 | #if H0388 |
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316 | WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); |
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317 | #endif |
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318 | #if TILES_OR_ENTROPY_SYNC_IDC |
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319 | if(pcPPS->getSPS()->getTilesOrEntropyCodingSyncIdc()==1) |
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320 | { |
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321 | #endif |
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322 | WRITE_FLAG( pcPPS->getColumnRowInfoPresent(), "tile_info_present_flag" ); |
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323 | WRITE_FLAG( pcPPS->getTileBehaviorControlPresentFlag(), "tile_control_present_flag"); |
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324 | if( pcPPS->getColumnRowInfoPresent() == 1 ) |
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325 | { |
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326 | WRITE_UVLC( pcPPS->getNumColumnsMinus1(), "num_tile_columns_minus1" ); |
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327 | WRITE_UVLC( pcPPS->getNumRowsMinus1(), "num_tile_rows_minus1" ); |
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328 | WRITE_FLAG( pcPPS->getUniformSpacingIdr(), "uniform_spacing_flag" ); |
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329 | if( pcPPS->getUniformSpacingIdr() == 0 ) |
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330 | { |
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331 | for(UInt i=0; i<pcPPS->getNumColumnsMinus1(); i++) |
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332 | { |
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333 | WRITE_UVLC( pcPPS->getColumnWidth(i), "column_width" ); |
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334 | } |
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335 | for(UInt i=0; i<pcPPS->getNumRowsMinus1(); i++) |
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336 | { |
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337 | WRITE_UVLC( pcPPS->getRowHeight(i), "row_height" ); |
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338 | } |
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339 | } |
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340 | } |
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341 | |
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342 | if(pcPPS->getTileBehaviorControlPresentFlag() == 1) |
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343 | { |
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344 | Int iNumColTilesMinus1 = (pcPPS->getColumnRowInfoPresent() == 1)?(pcPPS->getNumColumnsMinus1()):(pcPPS->getSPS()->getNumColumnsMinus1()); |
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345 | Int iNumRowTilesMinus1 = (pcPPS->getColumnRowInfoPresent() == 1)?(pcPPS->getNumColumnsMinus1()):(pcPPS->getSPS()->getNumRowsMinus1()); |
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346 | |
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347 | if(iNumColTilesMinus1 !=0 || iNumRowTilesMinus1 !=0) |
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348 | { |
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349 | #if !REMOVE_TILE_DEPENDENCE |
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350 | WRITE_FLAG( pcPPS->getTileBoundaryIndependenceIdr(), "tile_boundary_independence_flag" ); |
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351 | if(pcPPS->getTileBoundaryIndependenceIdr() == 1) |
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352 | { |
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353 | #endif |
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354 | WRITE_FLAG( pcPPS->getLFCrossTileBoundaryFlag()?1 : 0, "loop_filter_across_tile_flag"); |
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355 | #if !REMOVE_TILE_DEPENDENCE |
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356 | } |
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357 | #endif |
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358 | } |
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359 | } |
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360 | #if TILES_OR_ENTROPY_SYNC_IDC |
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361 | } |
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362 | else if(pcPPS->getSPS()->getTilesOrEntropyCodingSyncIdc()==2) |
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363 | { |
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364 | WRITE_UVLC( pcPPS->getNumSubstreams()-1, "num_substreams_minus1" ); |
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365 | } |
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366 | #endif |
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367 | |
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368 | #if DBL_CONTROL |
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369 | WRITE_FLAG( pcPPS->getDeblockingFilterControlPresent()?1 : 0, "deblocking_filter_control_present_flag"); |
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370 | #endif |
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371 | #if PARALLEL_MERGE |
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372 | WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2"); |
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373 | #endif |
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374 | WRITE_FLAG( 0, "pps_extension_flag" ); |
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375 | } |
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376 | |
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377 | #if VIDYO_VPS_INTEGRATION |
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378 | Void TEncCavlc::codeVPS( TComVPS* pcVPS ) |
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379 | { |
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380 | WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "max_temporal_layers_minus1" ); |
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381 | WRITE_CODE( pcVPS->getMaxLayers() - 1, 5, "max_layers_minus1" ); |
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382 | WRITE_FLAG( pcVPS->getTemporalNestingFlag() - 1, "temporal_id_nesting_flag" ); |
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383 | WRITE_UVLC( pcVPS->getVPSId(), "video_parameter_set_id" ); |
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384 | for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++) |
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385 | { |
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386 | WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i), "max_dec_pic_buffering[i]" ); |
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387 | WRITE_UVLC( pcVPS->getNumReorderPics(i), "num_reorder_pics[i]" ); |
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388 | WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "max_latency_increase[i]" ); |
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389 | } |
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390 | |
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391 | WRITE_CODE( 1, 1, "bit_equal_to_one" ); |
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392 | |
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393 | if( pcVPS->getMaxLayers() - 1 > 0 ) |
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394 | { |
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395 | WRITE_UVLC( pcVPS->getExtensionType(), "extension_type" ); |
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396 | |
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397 | for(UInt i=1; i <= pcVPS->getMaxLayers()-1; i++) |
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398 | { |
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399 | WRITE_FLAG( pcVPS->getDependentFlag(i), "dependent_flag[i]" ); |
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400 | if( pcVPS->getDependentFlag(i) ) |
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401 | { |
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402 | WRITE_UVLC( i - pcVPS->getDependentLayer(i) - 1, "delta_reference_layer_id_minus1[i]" ); |
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403 | if( pcVPS->getExtensionType() == VPS_EXTENSION_TYPE_MULTI_VIEW ) |
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404 | { |
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405 | WRITE_UVLC( pcVPS->getViewId(i), "view_id[i]" ); |
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406 | WRITE_FLAG( pcVPS->getDepthFlag(i), "depth_flag[i]" ); |
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407 | WRITE_SVLC( pcVPS->getViewOrderIdx(i), "view_order_idx[i]" ); |
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408 | } |
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409 | |
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410 | } |
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411 | } |
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412 | } |
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413 | |
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414 | WRITE_FLAG( 0, "vps_extension_flag" ); |
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415 | |
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416 | //future extensions here.. |
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417 | |
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418 | return; |
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419 | } |
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420 | #endif |
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421 | |
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422 | #if HHI_MPI |
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423 | Void TEncCavlc::codeSPS( TComSPS* pcSPS, Bool bIsDepth ) |
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424 | #else |
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425 | Void TEncCavlc::codeSPS( TComSPS* pcSPS ) |
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426 | #endif |
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427 | { |
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428 | #if ENC_DEC_TRACE |
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429 | xTraceSPSHeader (pcSPS); |
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430 | #endif |
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431 | WRITE_CODE( pcSPS->getProfileIdc (), 8, "profile_idc" ); |
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432 | WRITE_CODE( 0, 8, "reserved_zero_8bits" ); |
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433 | WRITE_CODE( pcSPS->getLevelIdc (), 8, "level_idc" ); |
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434 | WRITE_UVLC( pcSPS->getSPSId (), "seq_parameter_set_id" ); |
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435 | #if VIDYO_VPS_INTEGRATION |
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436 | WRITE_UVLC( pcSPS->getVPSId (), "video_parameter_set_id" ); |
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437 | #endif |
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438 | WRITE_UVLC( pcSPS->getChromaFormatIdc (), "chroma_format_idc" ); |
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439 | WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "max_temporal_layers_minus1" ); |
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440 | WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" ); |
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441 | WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" ); |
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442 | #if PIC_CROPPING |
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443 | WRITE_FLAG( pcSPS->getPicCroppingFlag(), "pic_cropping_flag" ); |
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444 | if (pcSPS->getPicCroppingFlag()) |
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445 | { |
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446 | WRITE_UVLC( pcSPS->getPicCropLeftOffset(), "pic_crop_left_offset" ); |
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447 | WRITE_UVLC( pcSPS->getPicCropRightOffset(), "pic_crop_right_offset" ); |
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448 | WRITE_UVLC( pcSPS->getPicCropTopOffset(), "pic_crop_top_offset" ); |
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449 | WRITE_UVLC( pcSPS->getPicCropBottomOffset(), "pic_crop_bottom_offset" ); |
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450 | } |
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451 | #endif |
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452 | |
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453 | #if FULL_NBIT |
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454 | WRITE_UVLC( pcSPS->getBitDepth() - 8, "bit_depth_luma_minus8" ); |
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455 | #else |
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456 | WRITE_UVLC( pcSPS->getBitIncrement(), "bit_depth_luma_minus8" ); |
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457 | #endif |
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458 | #if FULL_NBIT |
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459 | WRITE_UVLC( pcSPS->getBitDepth() - 8, "bit_depth_chroma_minus8" ); |
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460 | #else |
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461 | WRITE_UVLC( pcSPS->getBitIncrement(), "bit_depth_chroma_minus8" ); |
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462 | #endif |
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463 | |
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464 | WRITE_FLAG( pcSPS->getUsePCM() ? 1 : 0, "pcm_enabled_flag"); |
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465 | |
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466 | if( pcSPS->getUsePCM() ) |
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467 | { |
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468 | WRITE_CODE( pcSPS->getPCMBitDepthLuma() - 1, 4, "pcm_bit_depth_luma_minus1" ); |
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469 | WRITE_CODE( pcSPS->getPCMBitDepthChroma() - 1, 4, "pcm_bit_depth_chroma_minus1" ); |
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470 | } |
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471 | |
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472 | #if LOSSLESS_CODING |
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473 | WRITE_FLAG( (pcSPS->getUseLossless ()) ? 1 : 0, "qpprime_y_zero_transquant_bypass_flag" ); |
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474 | #endif |
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475 | |
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476 | WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" ); |
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477 | #if H0567_DPB_PARAMETERS_PER_TEMPORAL_LAYER |
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478 | for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) |
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479 | { |
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480 | WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i), "max_dec_pic_buffering[i]" ); |
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481 | WRITE_UVLC( pcSPS->getNumReorderPics(i), "num_reorder_pics[i]" ); |
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482 | WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i), "max_latency_increase[i]" ); |
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483 | } |
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484 | #else |
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485 | WRITE_UVLC( pcSPS->getMaxNumberOfReferencePictures(), "max_num_ref_pics" ); |
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486 | WRITE_UVLC( pcSPS->getNumReorderFrames(), "num_reorder_frames" ); |
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487 | WRITE_UVLC(pcSPS->getMaxDecFrameBuffering(), "max_dec_frame_buffering" ); |
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488 | WRITE_UVLC(pcSPS->getMaxLatencyIncrease(), "max_latency_increase" ); |
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489 | #endif |
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490 | assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() ); |
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491 | |
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492 | UInt MinCUSize = pcSPS->getMaxCUWidth() >> ( pcSPS->getMaxCUDepth()-g_uiAddCUDepth ); |
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493 | UInt log2MinCUSize = 0; |
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494 | while(MinCUSize > 1) |
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495 | { |
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496 | MinCUSize >>= 1; |
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497 | log2MinCUSize++; |
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498 | } |
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499 | |
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500 | #if H0412_REF_PIC_LIST_RESTRICTION |
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501 | WRITE_FLAG( pcSPS->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag" ); |
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502 | if( pcSPS->getRestrictedRefPicListsFlag() ) |
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503 | { |
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504 | WRITE_FLAG( pcSPS->getListsModificationPresentFlag(), "lists_modification_present_flag" ); |
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505 | } |
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506 | #endif |
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507 | WRITE_UVLC( log2MinCUSize - 3, "log2_min_coding_block_size_minus3" ); |
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508 | WRITE_UVLC( pcSPS->getMaxCUDepth()-g_uiAddCUDepth, "log2_diff_max_min_coding_block_size" ); |
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509 | WRITE_UVLC( pcSPS->getQuadtreeTULog2MinSize() - 2, "log2_min_transform_block_size_minus2" ); |
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510 | WRITE_UVLC( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize(), "log2_diff_max_min_transform_block_size" ); |
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511 | |
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512 | if(log2MinCUSize == 3) |
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513 | { |
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514 | xWriteFlag ( (pcSPS->getDisInter4x4()) ? 1 : 0 ); |
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515 | } |
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516 | |
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517 | if( pcSPS->getUsePCM() ) |
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518 | { |
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519 | WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_coding_block_size_minus3" ); |
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520 | WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_coding_block_size" ); |
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521 | } |
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522 | WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthInter() - 1, "max_transform_hierarchy_depth_inter" ); |
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523 | WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthIntra() - 1, "max_transform_hierarchy_depth_intra" ); |
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524 | WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "scaling_list_enabled_flag" ); |
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525 | WRITE_FLAG( pcSPS->getUseLMChroma () ? 1 : 0, "chroma_pred_from_luma_enabled_flag" ); |
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526 | WRITE_FLAG( pcSPS->getUseDF() ? 1 : 0, "deblocking_filter_in_aps_enabled_flag"); |
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527 | WRITE_FLAG( pcSPS->getLFCrossSliceBoundaryFlag()?1 : 0, "seq_loop_filter_across_slices_enabled_flag"); |
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528 | WRITE_FLAG( pcSPS->getUseAMP(), "asymmetric_motion_partitions_enabled_flag" ); |
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529 | WRITE_FLAG( pcSPS->getUseNSQT(), "non_square_quadtree_enabled_flag" ); |
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530 | WRITE_FLAG( pcSPS->getUseSAO() ? 1 : 0, "sample_adaptive_offset_enabled_flag"); |
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531 | WRITE_FLAG( pcSPS->getUseALF () ? 1 : 0, "adaptive_loop_filter_enabled_flag"); |
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532 | #if LCU_SYNTAX_ALF |
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533 | if(pcSPS->getUseALF()) |
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534 | { |
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535 | WRITE_FLAG( (pcSPS->getUseALFCoefInSlice()) ? 1 : 0, "alf_coef_in_slice_flag"); |
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536 | } |
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537 | #endif |
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538 | |
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539 | if( pcSPS->getUsePCM() ) |
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540 | { |
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541 | WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag"); |
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542 | } |
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543 | |
---|
544 | assert( pcSPS->getMaxTLayers() > 0 ); |
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545 | |
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546 | WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0, "temporal_id_nesting_flag" ); |
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547 | |
---|
548 | #if RPS_IN_SPS |
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549 | TComRPSList* rpsList = pcSPS->getRPSList(); |
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550 | TComReferencePictureSet* rps; |
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551 | |
---|
552 | WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" ); |
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553 | for(Int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++) |
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554 | { |
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555 | rps = rpsList->getReferencePictureSet(i); |
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556 | codeShortTermRefPicSet(pcSPS,rps); |
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557 | } |
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558 | WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" ); |
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559 | #endif |
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560 | #if !PIC_CROPPING |
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561 | //!!!KS: Syntax not in WD !!! |
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562 | |
---|
563 | xWriteUvlc ( pcSPS->getPad (0) ); |
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564 | xWriteUvlc ( pcSPS->getPad (1) ); |
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565 | #endif |
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566 | // AMVP mode for each depth |
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567 | for (Int i = 0; i < pcSPS->getMaxCUDepth(); i++) |
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568 | { |
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569 | xWriteFlag( pcSPS->getAMVPMode(i) ? 1 : 0); |
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570 | } |
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571 | |
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572 | #if TILES_WPP_ENTRY_POINT_SIGNALLING |
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573 | Int tilesOrEntropyCodingSyncIdc = 0; |
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574 | if ( pcSPS->getNumColumnsMinus1() > 0 || pcSPS->getNumRowsMinus1() > 0) |
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575 | { |
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576 | tilesOrEntropyCodingSyncIdc = 1; |
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577 | } |
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578 | else if ( pcSPS->getNumSubstreams() > 1 ) |
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579 | { |
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580 | tilesOrEntropyCodingSyncIdc = 2; |
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581 | } |
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582 | pcSPS->setTilesOrEntropyCodingSyncIdc( tilesOrEntropyCodingSyncIdc ); |
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583 | WRITE_CODE(tilesOrEntropyCodingSyncIdc, 2, "tiles_or_entropy_coding_sync_idc"); |
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584 | #endif |
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585 | |
---|
586 | #if TILES_OR_ENTROPY_SYNC_IDC |
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587 | if(tilesOrEntropyCodingSyncIdc == 1) |
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588 | { |
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589 | #endif |
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590 | WRITE_UVLC( pcSPS->getNumColumnsMinus1(), "num_tile_columns_minus1" ); |
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591 | WRITE_UVLC( pcSPS->getNumRowsMinus1(), "num_tile_rows_minus1" ); |
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592 | WRITE_FLAG( pcSPS->getUniformSpacingIdr(), "uniform_spacing_flag" ); |
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593 | |
---|
594 | if( pcSPS->getUniformSpacingIdr()==0 ) |
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595 | { |
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596 | for(UInt i=0; i<pcSPS->getNumColumnsMinus1(); i++) |
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597 | { |
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598 | WRITE_UVLC( pcSPS->getColumnWidth(i), "column_width" ); |
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599 | } |
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600 | for(UInt i=0; i<pcSPS->getNumRowsMinus1(); i++) |
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601 | { |
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602 | WRITE_UVLC( pcSPS->getRowHeight(i), "row_height" ); |
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603 | } |
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604 | } |
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605 | |
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606 | if( pcSPS->getNumColumnsMinus1() !=0 || pcSPS->getNumRowsMinus1() != 0) |
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607 | { |
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608 | #if !REMOVE_TILE_DEPENDENCE |
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609 | WRITE_FLAG( pcSPS->getTileBoundaryIndependenceIdr(), "tile_boundary_independence_flag" ); |
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610 | if(pcSPS->getTileBoundaryIndependenceIdr() == 1) |
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611 | { |
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612 | #endif |
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613 | WRITE_FLAG( pcSPS->getLFCrossTileBoundaryFlag()?1 : 0, "loop_filter_across_tile_flag"); |
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614 | #if !REMOVE_TILE_DEPENDENCE |
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615 | } |
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616 | #endif |
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617 | } |
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618 | #if TILES_OR_ENTROPY_SYNC_IDC |
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619 | } |
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620 | #endif |
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621 | WRITE_FLAG( 1, "sps_extension_flag" ); |
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622 | |
---|
623 | WRITE_FLAG( (pcSPS->getNumberOfUsableInterViewRefs() > 0) ? 1 : 0, "interview_refs_present_flag" ); |
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624 | if( pcSPS->getNumberOfUsableInterViewRefs() > 0 ) |
---|
625 | { |
---|
626 | WRITE_UVLC( pcSPS->getNumberOfUsableInterViewRefs() - 1, "num_usable_interview_refs_minus1" ); |
---|
627 | |
---|
628 | Int prev = 0; |
---|
629 | for( Int j = 0 ; j < pcSPS->getNumberOfUsableInterViewRefs(); j++ ) |
---|
630 | { |
---|
631 | WRITE_UVLC( prev - pcSPS->getUsableInterViewRef( j ) - 1, "delta_usable_interview_ref_minus1" ); |
---|
632 | prev = pcSPS->getUsableInterViewRef( j ); |
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633 | } |
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634 | } |
---|
635 | |
---|
636 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
637 | WRITE_FLAG( pcSPS->getUseDMM(), "enable_dmm_flag" ); |
---|
638 | #endif |
---|
639 | |
---|
640 | #if HHI_MPI |
---|
641 | if( bIsDepth ) |
---|
642 | { |
---|
643 | WRITE_FLAG( pcSPS->getUseMVI() ? 1 : 0, "use_mvi_flag" ); |
---|
644 | } |
---|
645 | #endif |
---|
646 | |
---|
647 | if( pcSPS->getViewId() || pcSPS->isDepth() ) |
---|
648 | { |
---|
649 | WRITE_FLAG( 0, "base_view_flag" ); |
---|
650 | if( pcSPS->isDepth() ) |
---|
651 | { |
---|
652 | WRITE_FLAG( 1, "depth_flag" ); |
---|
653 | WRITE_UVLC( pcSPS->getViewId(), "view_id" ); |
---|
654 | WRITE_SVLC( pcSPS->getViewOrderIdx(), "view_order_idx" ); |
---|
655 | } |
---|
656 | else |
---|
657 | { |
---|
658 | WRITE_FLAG( 0, "depth_flag" ); |
---|
659 | WRITE_UVLC( pcSPS->getViewId() - 1, "view_id_minus1" ); |
---|
660 | WRITE_SVLC( pcSPS->getViewOrderIdx(), "view_order_idx" ); |
---|
661 | WRITE_UVLC( pcSPS->getCamParPrecision(), "camera_parameter_precision" ); |
---|
662 | WRITE_FLAG( pcSPS->hasCamParInSliceHeader() ? 1 : 0, "camera_parameter_in_slice_header" ); |
---|
663 | if( !pcSPS->hasCamParInSliceHeader() ) |
---|
664 | { |
---|
665 | for( UInt uiId = 0; uiId < pcSPS->getViewId(); uiId++ ) |
---|
666 | { |
---|
667 | WRITE_SVLC( pcSPS->getCodedScale ()[ uiId ], "coded_scale" ); |
---|
668 | WRITE_SVLC( pcSPS->getCodedOffset ()[ uiId ], "coded_offset" ); |
---|
669 | WRITE_SVLC( pcSPS->getInvCodedScale ()[ uiId ] + pcSPS->getCodedScale ()[ uiId ], "inverse_coded_scale_plus_coded_scale" ); |
---|
670 | WRITE_SVLC( pcSPS->getInvCodedOffset()[ uiId ] + pcSPS->getCodedOffset()[ uiId ], "inverse_coded_offset_plus_coded_offset" ); |
---|
671 | } |
---|
672 | } |
---|
673 | #if DEPTH_MAP_GENERATION |
---|
674 | WRITE_UVLC( pcSPS->getPredDepthMapGeneration(), "Pdm_generation" ); |
---|
675 | if( pcSPS->getPredDepthMapGeneration() ) |
---|
676 | { |
---|
677 | WRITE_UVLC( pcSPS->getPdmPrecision(), "Pdm_precision" ); |
---|
678 | for( UInt uiId = 0; uiId < pcSPS->getViewId(); uiId++ ) |
---|
679 | { |
---|
680 | WRITE_SVLC( pcSPS->getPdmScaleNomDelta()[ uiId ], "Pdm_scale_nom_delta" ); |
---|
681 | WRITE_SVLC( pcSPS->getPdmOffset ()[ uiId ], "Pdm_offset" ); |
---|
682 | } |
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683 | #if HHI_INTER_VIEW_MOTION_PRED |
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684 | WRITE_UVLC( pcSPS->getMultiviewMvPredMode(), "multi_view_mv_pred_mode" ); |
---|
685 | #endif |
---|
686 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
687 | WRITE_FLAG ( pcSPS->getMultiviewResPredMode(), "multi_view_residual_pred_mode" ); |
---|
688 | #endif |
---|
689 | } |
---|
690 | #endif |
---|
691 | } |
---|
692 | } |
---|
693 | else |
---|
694 | { |
---|
695 | WRITE_FLAG( 1, "base_view_flag" ); |
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696 | } |
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697 | WRITE_FLAG( 0, "sps_extension2_flag" ); |
---|
698 | } |
---|
699 | |
---|
700 | Void TEncCavlc::writeTileMarker( UInt uiTileIdx, UInt uiBitsUsed ) |
---|
701 | { |
---|
702 | xWriteCode( uiTileIdx, uiBitsUsed ); |
---|
703 | } |
---|
704 | |
---|
705 | Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice ) |
---|
706 | { |
---|
707 | #if ENC_DEC_TRACE |
---|
708 | xTraceSliceHeader (pcSlice); |
---|
709 | #endif |
---|
710 | |
---|
711 | // if( nal_ref_idc != 0 ) |
---|
712 | // dec_ref_pic_marking( ) |
---|
713 | // if( entropy_coding_mode_flag && slice_type != I) |
---|
714 | // cabac_init_idc |
---|
715 | // first_slice_in_pic_flag |
---|
716 | // if( first_slice_in_pic_flag == 0 ) |
---|
717 | // slice_address |
---|
718 | //calculate number of bits required for slice address |
---|
719 | Int maxAddrOuter = pcSlice->getPic()->getNumCUsInFrame(); |
---|
720 | Int reqBitsOuter = 0; |
---|
721 | while(maxAddrOuter>(1<<reqBitsOuter)) |
---|
722 | { |
---|
723 | reqBitsOuter++; |
---|
724 | } |
---|
725 | Int maxAddrInner = pcSlice->getPic()->getNumPartInCU()>>(2); |
---|
726 | maxAddrInner = (1<<(pcSlice->getPPS()->getSliceGranularity()<<1)); |
---|
727 | Int reqBitsInner = 0; |
---|
728 | |
---|
729 | while(maxAddrInner>(1<<reqBitsInner)) |
---|
730 | { |
---|
731 | reqBitsInner++; |
---|
732 | } |
---|
733 | Int lCUAddress; |
---|
734 | Int innerAddress; |
---|
735 | if (pcSlice->isNextSlice()) |
---|
736 | { |
---|
737 | // Calculate slice address |
---|
738 | lCUAddress = (pcSlice->getSliceCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU()); |
---|
739 | innerAddress = (pcSlice->getSliceCurStartCUAddr()%(pcSlice->getPic()->getNumPartInCU()))>>((pcSlice->getSPS()->getMaxCUDepth()-pcSlice->getPPS()->getSliceGranularity())<<1); |
---|
740 | } |
---|
741 | else |
---|
742 | { |
---|
743 | // Calculate slice address |
---|
744 | lCUAddress = (pcSlice->getEntropySliceCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU()); |
---|
745 | innerAddress = (pcSlice->getEntropySliceCurStartCUAddr()%(pcSlice->getPic()->getNumPartInCU()))>>((pcSlice->getSPS()->getMaxCUDepth()-pcSlice->getPPS()->getSliceGranularity())<<1); |
---|
746 | |
---|
747 | } |
---|
748 | //write slice address |
---|
749 | Int address = (pcSlice->getPic()->getPicSym()->getCUOrderMap(lCUAddress) << reqBitsInner) + innerAddress; |
---|
750 | WRITE_FLAG( address==0, "first_slice_in_pic_flag" ); |
---|
751 | if(address>0) |
---|
752 | { |
---|
753 | WRITE_CODE( address, reqBitsOuter+reqBitsInner, "slice_address" ); |
---|
754 | } |
---|
755 | |
---|
756 | WRITE_UVLC( pcSlice->getSliceType(), "slice_type" ); |
---|
757 | Bool bEntropySlice = (!pcSlice->isNextSlice()); |
---|
758 | WRITE_FLAG( bEntropySlice ? 1 : 0, "lightweight_slice_flag" ); |
---|
759 | |
---|
760 | if (!bEntropySlice) |
---|
761 | { |
---|
762 | WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "pic_parameter_set_id" ); |
---|
763 | #if H0388 |
---|
764 | if( pcSlice->getPPS()->getOutputFlagPresentFlag() ) |
---|
765 | { |
---|
766 | WRITE_FLAG( pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag" ); |
---|
767 | } |
---|
768 | #endif |
---|
769 | if(pcSlice->getNalUnitType()==NAL_UNIT_CODED_SLICE_IDR) |
---|
770 | { |
---|
771 | WRITE_UVLC( 0, "idr_pic_id" ); |
---|
772 | WRITE_FLAG( 0, "no_output_of_prior_pics_flag" ); |
---|
773 | } |
---|
774 | else |
---|
775 | { |
---|
776 | WRITE_CODE( (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<<pcSlice->getSPS()->getBitsForPOC()))%(1<<pcSlice->getSPS()->getBitsForPOC()), pcSlice->getSPS()->getBitsForPOC(), "pic_order_cnt_lsb"); |
---|
777 | if( pcSlice->getPOC() == 0 && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_IDV ) |
---|
778 | { |
---|
779 | TComReferencePictureSet* rps = pcSlice->getRPS(); |
---|
780 | if(pcSlice->getRPSidx() < 0) |
---|
781 | { |
---|
782 | WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag"); |
---|
783 | #if RPS_IN_SPS |
---|
784 | codeShortTermRefPicSet(pcSlice->getSPS(), rps); |
---|
785 | #else |
---|
786 | codeShortTermRefPicSet(pcSlice->getPPS(), rps); |
---|
787 | #endif |
---|
788 | } |
---|
789 | else |
---|
790 | { |
---|
791 | WRITE_FLAG( 1, "short_term_ref_pic_set_sps_flag"); |
---|
792 | WRITE_UVLC( pcSlice->getRPSidx(), "short_term_ref_pic_set_idx" ); |
---|
793 | } |
---|
794 | #if RPS_IN_SPS |
---|
795 | if(pcSlice->getSPS()->getLongTermRefsPresent()) |
---|
796 | #else |
---|
797 | if(pcSlice->getPPS()->getLongTermRefsPresent()) |
---|
798 | #endif |
---|
799 | { |
---|
800 | WRITE_UVLC( rps->getNumberOfLongtermPictures(), "num_long_term_pics"); |
---|
801 | Int maxPocLsb = 1<<pcSlice->getSPS()->getBitsForPOC(); |
---|
802 | Int prev = 0; |
---|
803 | #if LTRP_MULT |
---|
804 | Int prevDeltaPocLt=0; |
---|
805 | Int currDeltaPocLt=0; |
---|
806 | #endif |
---|
807 | for(Int i=rps->getNumberOfPictures()-1 ; i > rps->getNumberOfPictures()-rps->getNumberOfLongtermPictures()-1; i--) |
---|
808 | { |
---|
809 | WRITE_UVLC((maxPocLsb-rps->getDeltaPOC(i)+prev)%maxPocLsb, "delta_poc_lsb_lt"); |
---|
810 | |
---|
811 | #if LTRP_MULT |
---|
812 | currDeltaPocLt=((maxPocLsb-rps->getDeltaPOC(i)+prev)%maxPocLsb)+prevDeltaPocLt; |
---|
813 | |
---|
814 | Int deltaMsbCycle=0; |
---|
815 | if( (i==(rps->getNumberOfPictures()-1)) ) |
---|
816 | { |
---|
817 | deltaMsbCycle=((-rps->getDeltaPOC(i))/maxPocLsb)-1; |
---|
818 | } |
---|
819 | else if( prevDeltaPocLt!=currDeltaPocLt ) |
---|
820 | { |
---|
821 | deltaMsbCycle=((-rps->getDeltaPOC(i))/maxPocLsb)-1; |
---|
822 | if( ((prevDeltaPocLt==maxPocLsb-1) && (currDeltaPocLt==maxPocLsb+1)) || ((prevDeltaPocLt==maxPocLsb-2) && (currDeltaPocLt==maxPocLsb))) |
---|
823 | { |
---|
824 | deltaMsbCycle=deltaMsbCycle-1; |
---|
825 | } |
---|
826 | } |
---|
827 | else |
---|
828 | { |
---|
829 | deltaMsbCycle=((rps->getDeltaPOC(i+1)-rps->getDeltaPOC(i))/maxPocLsb)-1; |
---|
830 | } |
---|
831 | |
---|
832 | if(deltaMsbCycle>=0) |
---|
833 | { |
---|
834 | WRITE_FLAG( 1, "delta_poc_msb_present_flag"); |
---|
835 | WRITE_UVLC(deltaMsbCycle, "delta_poc_msb_cycle_lt_minus1"); |
---|
836 | } |
---|
837 | else |
---|
838 | { |
---|
839 | WRITE_FLAG( 0, "delta_poc_msb_present_flag"); |
---|
840 | } |
---|
841 | prevDeltaPocLt=currDeltaPocLt; |
---|
842 | #endif |
---|
843 | prev = rps->getDeltaPOC(i); |
---|
844 | WRITE_FLAG( rps->getUsed(i), "used_by_curr_pic_lt_flag"); |
---|
845 | } |
---|
846 | } |
---|
847 | } |
---|
848 | if( pcSlice->getPOC() != 0 ) |
---|
849 | { |
---|
850 | TComReferencePictureSet* rps = pcSlice->getRPS(); |
---|
851 | if(pcSlice->getRPSidx() < 0) |
---|
852 | { |
---|
853 | WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag"); |
---|
854 | #if RPS_IN_SPS |
---|
855 | codeShortTermRefPicSet(pcSlice->getSPS(), rps); |
---|
856 | #else |
---|
857 | codeShortTermRefPicSet(pcSlice->getPPS(), rps); |
---|
858 | #endif |
---|
859 | } |
---|
860 | else |
---|
861 | { |
---|
862 | WRITE_FLAG( 1, "short_term_ref_pic_set_sps_flag"); |
---|
863 | WRITE_UVLC( pcSlice->getRPSidx(), "short_term_ref_pic_set_idx" ); |
---|
864 | } |
---|
865 | #if RPS_IN_SPS |
---|
866 | if(pcSlice->getSPS()->getLongTermRefsPresent()) |
---|
867 | #else |
---|
868 | if(pcSlice->getPPS()->getLongTermRefsPresent()) |
---|
869 | #endif |
---|
870 | { |
---|
871 | WRITE_UVLC( rps->getNumberOfLongtermPictures(), "num_long_term_pics"); |
---|
872 | Int maxPocLsb = 1<<pcSlice->getSPS()->getBitsForPOC(); |
---|
873 | Int prev = 0; |
---|
874 | #if LTRP_MULT |
---|
875 | Int prevDeltaPocLt=0; |
---|
876 | Int currDeltaPocLt=0; |
---|
877 | #endif |
---|
878 | for(Int i=rps->getNumberOfPictures()-1 ; i > rps->getNumberOfPictures()-rps->getNumberOfLongtermPictures()-1; i--) |
---|
879 | { |
---|
880 | WRITE_UVLC((maxPocLsb-rps->getDeltaPOC(i)+prev)%maxPocLsb, "delta_poc_lsb_lt"); |
---|
881 | |
---|
882 | #if LTRP_MULT |
---|
883 | currDeltaPocLt=((maxPocLsb-rps->getDeltaPOC(i)+prev)%maxPocLsb)+prevDeltaPocLt; |
---|
884 | |
---|
885 | Int deltaMsbCycle=0; |
---|
886 | if( (i==(rps->getNumberOfPictures()-1)) ) |
---|
887 | { |
---|
888 | deltaMsbCycle=((-rps->getDeltaPOC(i))/maxPocLsb)-1; |
---|
889 | } |
---|
890 | else if( prevDeltaPocLt!=currDeltaPocLt ) |
---|
891 | { |
---|
892 | deltaMsbCycle=((-rps->getDeltaPOC(i))/maxPocLsb)-1; |
---|
893 | if( ((prevDeltaPocLt==maxPocLsb-1) && (currDeltaPocLt==maxPocLsb+1)) || ((prevDeltaPocLt==maxPocLsb-2) && (currDeltaPocLt==maxPocLsb))) |
---|
894 | { |
---|
895 | deltaMsbCycle=deltaMsbCycle-1; |
---|
896 | } |
---|
897 | } |
---|
898 | else |
---|
899 | { |
---|
900 | deltaMsbCycle=((rps->getDeltaPOC(i+1)-rps->getDeltaPOC(i))/maxPocLsb)-1; |
---|
901 | } |
---|
902 | |
---|
903 | if(deltaMsbCycle>=0) |
---|
904 | { |
---|
905 | WRITE_FLAG( 1, "delta_poc_msb_present_flag"); |
---|
906 | WRITE_UVLC(deltaMsbCycle, "delta_poc_msb_cycle_lt_minus1"); |
---|
907 | } |
---|
908 | else |
---|
909 | { |
---|
910 | WRITE_FLAG( 0, "delta_poc_msb_present_flag"); |
---|
911 | } |
---|
912 | prevDeltaPocLt=currDeltaPocLt; |
---|
913 | #endif |
---|
914 | prev = rps->getDeltaPOC(i); |
---|
915 | WRITE_FLAG( rps->getUsed(i), "used_by_curr_pic_lt_flag"); |
---|
916 | } |
---|
917 | } |
---|
918 | } |
---|
919 | } |
---|
920 | |
---|
921 | if(pcSlice->getSPS()->getUseSAO() || pcSlice->getSPS()->getUseALF()|| pcSlice->getSPS()->getScalingListFlag() || pcSlice->getSPS()->getUseDF()) |
---|
922 | { |
---|
923 | if (pcSlice->getSPS()->getUseALF()) |
---|
924 | { |
---|
925 | #if !LCU_SYNTAX_ALF |
---|
926 | if (pcSlice->getAlfEnabledFlag()) |
---|
927 | { |
---|
928 | assert (pcSlice->getAPS()->getAlfEnabled()); |
---|
929 | } |
---|
930 | #endif |
---|
931 | WRITE_FLAG( pcSlice->getAlfEnabledFlag(), "ALF on/off flag in slice header" ); |
---|
932 | } |
---|
933 | if (pcSlice->getSPS()->getUseSAO()) |
---|
934 | { |
---|
935 | #if SAO_UNIT_INTERLEAVING |
---|
936 | WRITE_FLAG( pcSlice->getSaoInterleavingFlag(), "SAO interleaving flag" ); |
---|
937 | #endif |
---|
938 | assert (pcSlice->getSaoEnabledFlag() == pcSlice->getAPS()->getSaoEnabled()); |
---|
939 | WRITE_FLAG( pcSlice->getSaoEnabledFlag(), "SAO on/off flag in slice header" ); |
---|
940 | #if SAO_UNIT_INTERLEAVING |
---|
941 | if (pcSlice->getSaoInterleavingFlag()&&pcSlice->getSaoEnabledFlag() ) |
---|
942 | { |
---|
943 | WRITE_FLAG( pcSlice->getAPS()->getSaoParam()->bSaoFlag[1], "SAO on/off flag for Cb in slice header" ); |
---|
944 | WRITE_FLAG( pcSlice->getAPS()->getSaoParam()->bSaoFlag[2], "SAO on/off flag for Cr in slice header" ); |
---|
945 | } |
---|
946 | #endif |
---|
947 | } |
---|
948 | WRITE_UVLC( pcSlice->getAPS()->getAPSID(), "aps_id"); |
---|
949 | } |
---|
950 | |
---|
951 | // we always set num_ref_idx_active_override_flag equal to one. this might be done in a more intelligent way |
---|
952 | if (!pcSlice->isIntra()) |
---|
953 | { |
---|
954 | WRITE_FLAG( 1 , "num_ref_idx_active_override_flag"); |
---|
955 | WRITE_CODE( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, 3, "num_ref_idx_l0_active_minus1" ); |
---|
956 | } |
---|
957 | else |
---|
958 | { |
---|
959 | pcSlice->setNumRefIdx(REF_PIC_LIST_0, 0); |
---|
960 | } |
---|
961 | if (pcSlice->isInterB()) |
---|
962 | { |
---|
963 | WRITE_CODE( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, 3, "num_ref_idx_l1_active_minus1" ); |
---|
964 | } |
---|
965 | else |
---|
966 | { |
---|
967 | pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
968 | } |
---|
969 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
970 | if( pcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
971 | { |
---|
972 | #endif |
---|
973 | TComRefPicListModification* refPicListModification = pcSlice->getRefPicListModification(); |
---|
974 | #if H0137_0138_LIST_MODIFICATION |
---|
975 | if( !pcSlice->isIntra() ) |
---|
976 | { |
---|
977 | WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0() ? 1 : 0, "ref_pic_list_modification_flag_l0" ); |
---|
978 | if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0()) |
---|
979 | { |
---|
980 | Int NumPocTotalCurr = pcSlice->getNumPocTotalCurrMvc(); |
---|
981 | if (NumPocTotalCurr > 1) |
---|
982 | { |
---|
983 | Int length = 1; |
---|
984 | NumPocTotalCurr --; |
---|
985 | while ( NumPocTotalCurr >>= 1) |
---|
986 | { |
---|
987 | length ++; |
---|
988 | } |
---|
989 | for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_0 ); i++) |
---|
990 | { |
---|
991 | WRITE_CODE( refPicListModification->getRefPicSetIdxL0(i), length, "list_entry_l0"); |
---|
992 | } |
---|
993 | } |
---|
994 | } |
---|
995 | } |
---|
996 | if(pcSlice->isInterB()) |
---|
997 | { |
---|
998 | WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1() ? 1 : 0, "ref_pic_list_modification_flag_l1" ); |
---|
999 | if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1()) |
---|
1000 | { |
---|
1001 | Int NumPocTotalCurr = pcSlice->getNumPocTotalCurrMvc(); |
---|
1002 | if ( NumPocTotalCurr > 1 ) |
---|
1003 | { |
---|
1004 | Int length = 1; |
---|
1005 | NumPocTotalCurr --; |
---|
1006 | while ( NumPocTotalCurr >>= 1) |
---|
1007 | { |
---|
1008 | length ++; |
---|
1009 | } |
---|
1010 | for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_1 ); i++) |
---|
1011 | { |
---|
1012 | WRITE_CODE( refPicListModification->getRefPicSetIdxL1(i), length, "list_entry_l1"); |
---|
1013 | } |
---|
1014 | } |
---|
1015 | } |
---|
1016 | } |
---|
1017 | #else |
---|
1018 | if(!pcSlice->isIntra()) |
---|
1019 | { |
---|
1020 | WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0() ? 1 : 0, "ref_pic_list_modification_flag" ); |
---|
1021 | for(Int i = 0; i < refPicListModification->getNumberOfRefPicListModificationsL0(); i++) |
---|
1022 | { |
---|
1023 | WRITE_UVLC( refPicListModification->getListIdcL0(i), "ref_pic_list_modification_idc"); |
---|
1024 | WRITE_UVLC( refPicListModification->getRefPicSetIdxL0(i), "ref_pic_set_idx"); |
---|
1025 | } |
---|
1026 | if(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0()) |
---|
1027 | WRITE_UVLC( 3, "ref_pic_list_modification_idc"); |
---|
1028 | } |
---|
1029 | if(pcSlice->isInterB()) |
---|
1030 | { |
---|
1031 | WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1() ? 1 : 0, "ref_pic_list_modification_flag" ); |
---|
1032 | for(Int i = 0; i < refPicListModification->getNumberOfRefPicListModificationsL1(); i++) |
---|
1033 | { |
---|
1034 | WRITE_UVLC( refPicListModification->getListIdcL1(i), "ref_pic_list_modification_idc"); |
---|
1035 | WRITE_UVLC( refPicListModification->getRefPicSetIdxL1(i), "ref_pic_set_idx"); |
---|
1036 | } |
---|
1037 | if(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1()) |
---|
1038 | WRITE_UVLC( 3, "ref_pic_list_modification_idc"); |
---|
1039 | } |
---|
1040 | #endif |
---|
1041 | } |
---|
1042 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
1043 | } |
---|
1044 | #endif |
---|
1045 | // ref_pic_list_combination( ) |
---|
1046 | // maybe move to own function? |
---|
1047 | if (pcSlice->isInterB()) |
---|
1048 | { |
---|
1049 | WRITE_FLAG(pcSlice->getRefPicListCombinationFlag() ? 1 : 0, "ref_pic_list_combination_flag" ); |
---|
1050 | if(pcSlice->getRefPicListCombinationFlag()) |
---|
1051 | { |
---|
1052 | WRITE_UVLC( pcSlice->getNumRefIdx(REF_PIC_LIST_C) - 1, "num_ref_idx lc_active_minus1"); |
---|
1053 | |
---|
1054 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
1055 | if( pcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
1056 | { |
---|
1057 | #endif |
---|
1058 | WRITE_FLAG( pcSlice->getRefPicListModificationFlagLC() ? 1 : 0, "ref_pic_list_modification_flag_lc" ); |
---|
1059 | if(pcSlice->getRefPicListModificationFlagLC()) |
---|
1060 | { |
---|
1061 | for (UInt i=0;i<pcSlice->getNumRefIdx(REF_PIC_LIST_C);i++) |
---|
1062 | { |
---|
1063 | WRITE_FLAG( pcSlice->getListIdFromIdxOfLC(i), "pic_from_list_0_flag" ); |
---|
1064 | #if H0137_0138_LIST_MODIFICATION |
---|
1065 | if (((pcSlice->getListIdFromIdxOfLC(i)==REF_PIC_LIST_0) && pcSlice->getNumRefIdx( REF_PIC_LIST_0 )>1 ) || ((pcSlice->getListIdFromIdxOfLC(i)==REF_PIC_LIST_1) && pcSlice->getNumRefIdx( REF_PIC_LIST_1 )>1 ) ) |
---|
1066 | { |
---|
1067 | WRITE_UVLC( pcSlice->getRefIdxFromIdxOfLC(i), "ref_idx_list_curr" ); |
---|
1068 | } |
---|
1069 | #else |
---|
1070 | WRITE_UVLC( pcSlice->getRefIdxFromIdxOfLC(i), "ref_idx_list_curr" ); |
---|
1071 | #endif |
---|
1072 | } |
---|
1073 | } |
---|
1074 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
1075 | } |
---|
1076 | #endif |
---|
1077 | } |
---|
1078 | } |
---|
1079 | |
---|
1080 | #if H0111_MVD_L1_ZERO |
---|
1081 | if (pcSlice->isInterB()) |
---|
1082 | { |
---|
1083 | WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0, "mvd_l1_zero_flag"); |
---|
1084 | } |
---|
1085 | #endif |
---|
1086 | |
---|
1087 | if(pcSlice->getPPS()->getEntropyCodingMode() && !pcSlice->isIntra()) |
---|
1088 | { |
---|
1089 | #if CABAC_INIT_FLAG |
---|
1090 | if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag()) |
---|
1091 | { |
---|
1092 | SliceType sliceType = pcSlice->getSliceType(); |
---|
1093 | Int encCABACTableIdx = pcSlice->getPPS()->getEncCABACTableIdx(); |
---|
1094 | Bool encCabacInitFlag = (sliceType!=encCABACTableIdx && encCABACTableIdx!=0) ? true : false; |
---|
1095 | pcSlice->setCabacInitFlag( encCabacInitFlag ); |
---|
1096 | WRITE_FLAG( encCabacInitFlag?1:0, "cabac_init_flag" ); |
---|
1097 | } |
---|
1098 | #else |
---|
1099 | WRITE_UVLC(pcSlice->getCABACinitIDC(), "cabac_init_idc"); |
---|
1100 | #endif |
---|
1101 | } |
---|
1102 | |
---|
1103 | // if( !lightweight_slice_flag ) { |
---|
1104 | if (!bEntropySlice) |
---|
1105 | { |
---|
1106 | Int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 ); |
---|
1107 | WRITE_SVLC( iCode, "slice_qp_delta" ); |
---|
1108 | #if DBL_CONTROL |
---|
1109 | if (pcSlice->getPPS()->getDeblockingFilterControlPresent()) |
---|
1110 | { |
---|
1111 | if ( pcSlice->getSPS()->getUseDF() ) |
---|
1112 | { |
---|
1113 | WRITE_FLAG(pcSlice->getInheritDblParamFromAPS(), "inherit_dbl_param_from_APS_flag"); |
---|
1114 | } |
---|
1115 | #else |
---|
1116 | WRITE_FLAG(pcSlice->getInheritDblParamFromAPS(), "inherit_dbl_param_from_APS_flag"); |
---|
1117 | #endif |
---|
1118 | if (!pcSlice->getInheritDblParamFromAPS()) |
---|
1119 | { |
---|
1120 | WRITE_FLAG(pcSlice->getLoopFilterDisable(), "loop_filter_disable"); // should be an IDC |
---|
1121 | if(!pcSlice->getLoopFilterDisable()) |
---|
1122 | { |
---|
1123 | WRITE_SVLC (pcSlice->getLoopFilterBetaOffset(), "beta_offset_div2"); |
---|
1124 | WRITE_SVLC (pcSlice->getLoopFilterTcOffset(), "tc_offset_div2"); |
---|
1125 | } |
---|
1126 | } |
---|
1127 | #if DBL_CONTROL |
---|
1128 | } |
---|
1129 | #endif |
---|
1130 | if ( pcSlice->getSliceType() == B_SLICE ) |
---|
1131 | { |
---|
1132 | WRITE_FLAG( pcSlice->getColDir(), "collocated_from_l0_flag" ); |
---|
1133 | } |
---|
1134 | |
---|
1135 | #if COLLOCATED_REF_IDX |
---|
1136 | if ( pcSlice->getSliceType() != I_SLICE && |
---|
1137 | ((pcSlice->getColDir()==0 && pcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)|| |
---|
1138 | (pcSlice->getColDir()==1 && pcSlice->getNumRefIdx(REF_PIC_LIST_1)>1))) |
---|
1139 | { |
---|
1140 | WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" ); |
---|
1141 | } |
---|
1142 | #endif |
---|
1143 | |
---|
1144 | if ( (pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pcSlice->getPPS()->getWPBiPredIdc()==1 && pcSlice->getSliceType()==B_SLICE) ) |
---|
1145 | { |
---|
1146 | xCodePredWeightTable( pcSlice ); |
---|
1147 | } |
---|
1148 | } |
---|
1149 | |
---|
1150 | // !!!! sytnax elements not in the WD !!!! |
---|
1151 | if (!bEntropySlice) |
---|
1152 | { |
---|
1153 | if( pcSlice->getSPS()->hasCamParInSliceHeader() ) |
---|
1154 | { |
---|
1155 | for( UInt uiId = 0; uiId < pcSlice->getSPS()->getViewId(); uiId++ ) |
---|
1156 | { |
---|
1157 | WRITE_SVLC( pcSlice->getCodedScale ()[ uiId ], "coded_scale" ); |
---|
1158 | WRITE_SVLC( pcSlice->getCodedOffset ()[ uiId ], "coded_offset" ); |
---|
1159 | WRITE_SVLC( pcSlice->getInvCodedScale ()[ uiId ] + pcSlice->getCodedScale ()[ uiId ], "inverse_coded_scale_plus_coded_scale" ); |
---|
1160 | WRITE_SVLC( pcSlice->getInvCodedOffset()[ uiId ] + pcSlice->getCodedOffset()[ uiId ], "inverse_coded_offset_plus_coded_offset" ); |
---|
1161 | } |
---|
1162 | } |
---|
1163 | } |
---|
1164 | |
---|
1165 | #if ( HHI_MPI || HHI_INTER_VIEW_MOTION_PRED ) |
---|
1166 | #if ( HHI_MPI && HHI_INTER_VIEW_MOTION_PRED ) |
---|
1167 | const int iExtraMergeCandidates = ( pcSlice->getSPS()->getUseMVI() || pcSlice->getSPS()->getMultiviewMvPredMode() ) ? 1 : 0; |
---|
1168 | #elif HHI_MPI |
---|
1169 | const int iExtraMergeCandidates = pcSlice->getSPS()->getUseMVI() ? 1 : 0; |
---|
1170 | #else |
---|
1171 | const int iExtraMergeCandidates = pcSlice->getSPS()->getMultiviewMvPredMode() ? 1 : 0; |
---|
1172 | #endif |
---|
1173 | assert(pcSlice->getMaxNumMergeCand()<=(MRG_MAX_NUM_CANDS_SIGNALED+iExtraMergeCandidates)); |
---|
1174 | assert(MRG_MAX_NUM_CANDS_SIGNALED<=MRG_MAX_NUM_CANDS); |
---|
1175 | WRITE_UVLC(MRG_MAX_NUM_CANDS + iExtraMergeCandidates - pcSlice->getMaxNumMergeCand(), "maxNumMergeCand"); |
---|
1176 | #else |
---|
1177 | assert(pcSlice->getMaxNumMergeCand()<=MRG_MAX_NUM_CANDS_SIGNALED); |
---|
1178 | assert(MRG_MAX_NUM_CANDS_SIGNALED<=MRG_MAX_NUM_CANDS); |
---|
1179 | WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "maxNumMergeCand"); |
---|
1180 | #endif |
---|
1181 | } |
---|
1182 | |
---|
1183 | |
---|
1184 | Void TEncCavlc::codeTileMarkerFlag(TComSlice* pcSlice) |
---|
1185 | { |
---|
1186 | Bool bEntropySlice = (!pcSlice->isNextSlice()); |
---|
1187 | if (!bEntropySlice) |
---|
1188 | { |
---|
1189 | xWriteFlag (pcSlice->getTileMarkerFlag() ? 1 : 0 ); |
---|
1190 | } |
---|
1191 | } |
---|
1192 | |
---|
1193 | /** |
---|
1194 | - write wavefront substreams sizes for the slice header. |
---|
1195 | . |
---|
1196 | \param pcSlice Where we find the substream size information. |
---|
1197 | */ |
---|
1198 | #if TILES_WPP_ENTRY_POINT_SIGNALLING |
---|
1199 | Void TEncCavlc::codeTilesWPPEntryPoint( TComSlice* pSlice ) |
---|
1200 | { |
---|
1201 | Int tilesOrEntropyCodingSyncIdc = pSlice->getSPS()->getTilesOrEntropyCodingSyncIdc(); |
---|
1202 | |
---|
1203 | if ( tilesOrEntropyCodingSyncIdc == 0 ) |
---|
1204 | { |
---|
1205 | return; |
---|
1206 | } |
---|
1207 | |
---|
1208 | UInt numEntryPointOffsets = 0, offsetLenMinus1 = 0, maxOffset = 0; |
---|
1209 | UInt *entryPointOffset = NULL; |
---|
1210 | if (tilesOrEntropyCodingSyncIdc == 1) // tiles |
---|
1211 | { |
---|
1212 | numEntryPointOffsets = pSlice->getTileLocationCount(); |
---|
1213 | entryPointOffset = new UInt[numEntryPointOffsets]; |
---|
1214 | for (Int idx=0; idx<pSlice->getTileLocationCount(); idx++) |
---|
1215 | { |
---|
1216 | if ( idx == 0 ) |
---|
1217 | { |
---|
1218 | entryPointOffset [ idx ] = pSlice->getTileLocation( 0 ); |
---|
1219 | } |
---|
1220 | else |
---|
1221 | { |
---|
1222 | entryPointOffset [ idx ] = pSlice->getTileLocation( idx ) - pSlice->getTileLocation( idx-1 ); |
---|
1223 | } |
---|
1224 | |
---|
1225 | if ( entryPointOffset[ idx ] > maxOffset ) |
---|
1226 | { |
---|
1227 | maxOffset = entryPointOffset[ idx ]; |
---|
1228 | } |
---|
1229 | } |
---|
1230 | } |
---|
1231 | else if (tilesOrEntropyCodingSyncIdc == 2) // wavefront |
---|
1232 | { |
---|
1233 | Int numZeroSubstreamsAtEndOfSlice = 0; |
---|
1234 | UInt* pSubstreamSizes = pSlice->getSubstreamSizes(); |
---|
1235 | // Find number of zero substreams at the end of slice |
---|
1236 | for (Int idx=pSlice->getPPS()->getNumSubstreams()-2; idx>=0; idx--) |
---|
1237 | { |
---|
1238 | if ( pSubstreamSizes[ idx ] == 0 ) |
---|
1239 | { |
---|
1240 | numZeroSubstreamsAtEndOfSlice++; |
---|
1241 | } |
---|
1242 | else |
---|
1243 | { |
---|
1244 | break; |
---|
1245 | } |
---|
1246 | } |
---|
1247 | numEntryPointOffsets = pSlice->getPPS()->getNumSubstreams() - 1 - numZeroSubstreamsAtEndOfSlice; |
---|
1248 | entryPointOffset = new UInt[numEntryPointOffsets]; |
---|
1249 | for (Int idx=0; idx<numEntryPointOffsets; idx++) |
---|
1250 | { |
---|
1251 | entryPointOffset[ idx ] = ( pSubstreamSizes[ idx ] >> 3 ) ; |
---|
1252 | if ( entryPointOffset[ idx ] > maxOffset ) |
---|
1253 | { |
---|
1254 | maxOffset = entryPointOffset[ idx ]; |
---|
1255 | } |
---|
1256 | } |
---|
1257 | } |
---|
1258 | |
---|
1259 | maxOffset += ((m_pcBitIf->getNumberOfWrittenBits() + 16) >> 3) + 8 + 2; // allowing for NALU header, slice header, bytes added for "offset_len_minus1" and "num_entry_point_offsets" |
---|
1260 | |
---|
1261 | // Determine number of bits "offsetLenMinus1+1" required for entry point information |
---|
1262 | offsetLenMinus1 = 0; |
---|
1263 | while (1) |
---|
1264 | { |
---|
1265 | if (maxOffset >= (1 << offsetLenMinus1) ) |
---|
1266 | { |
---|
1267 | offsetLenMinus1++; |
---|
1268 | if ( offsetLenMinus1 > 32 ) |
---|
1269 | { |
---|
1270 | FATAL_ERROR_0("exceeded 32-bits", -1); |
---|
1271 | } |
---|
1272 | } |
---|
1273 | else |
---|
1274 | { |
---|
1275 | break; |
---|
1276 | } |
---|
1277 | } |
---|
1278 | |
---|
1279 | WRITE_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); |
---|
1280 | if (numEntryPointOffsets>0) |
---|
1281 | { |
---|
1282 | WRITE_UVLC(offsetLenMinus1, "offset_len_minus1"); |
---|
1283 | } |
---|
1284 | |
---|
1285 | for (UInt idx=0; idx<numEntryPointOffsets; idx++) |
---|
1286 | { |
---|
1287 | if ( idx == 0 ) |
---|
1288 | { |
---|
1289 | // Adding sizes of NALU header and slice header information to entryPointOffset[ 0 ] |
---|
1290 | Int bitDistFromNALUHdrStart = m_pcBitIf->getNumberOfWrittenBits() + 16; |
---|
1291 | entryPointOffset[ idx ] += ( bitDistFromNALUHdrStart + numEntryPointOffsets*(offsetLenMinus1+1) ) >> 3; |
---|
1292 | } |
---|
1293 | WRITE_CODE(entryPointOffset[ idx ], offsetLenMinus1+1, "entry_point_offset"); |
---|
1294 | } |
---|
1295 | |
---|
1296 | delete [] entryPointOffset; |
---|
1297 | } |
---|
1298 | #else |
---|
1299 | Void TEncCavlc::codeSliceHeaderSubstreamTable( TComSlice* pcSlice ) |
---|
1300 | { |
---|
1301 | UInt uiNumSubstreams = pcSlice->getPPS()->getNumSubstreams(); |
---|
1302 | UInt*puiSubstreamSizes = pcSlice->getSubstreamSizes(); |
---|
1303 | |
---|
1304 | // Write header information for all substreams except the last. |
---|
1305 | for (UInt ui = 0; ui+1 < uiNumSubstreams; ui++) |
---|
1306 | { |
---|
1307 | UInt uiNumbits = puiSubstreamSizes[ui]; |
---|
1308 | |
---|
1309 | //the 2 first bits are used to give the size of the header |
---|
1310 | if ( uiNumbits < (1<<8) ) |
---|
1311 | { |
---|
1312 | xWriteCode(0, 2 ); |
---|
1313 | xWriteCode(uiNumbits, 8 ); |
---|
1314 | } |
---|
1315 | else if ( uiNumbits < (1<<16) ) |
---|
1316 | { |
---|
1317 | xWriteCode(1, 2 ); |
---|
1318 | xWriteCode(uiNumbits, 16 ); |
---|
1319 | } |
---|
1320 | else if ( uiNumbits < (1<<24) ) |
---|
1321 | { |
---|
1322 | xWriteCode(2, 2 ); |
---|
1323 | xWriteCode(uiNumbits, 24 ); |
---|
1324 | } |
---|
1325 | else if ( uiNumbits < (1<<31) ) |
---|
1326 | { |
---|
1327 | xWriteCode(3, 2 ); |
---|
1328 | xWriteCode(uiNumbits, 32 ); |
---|
1329 | } |
---|
1330 | else |
---|
1331 | { |
---|
1332 | printf("Error in codeSliceHeaderTable\n"); |
---|
1333 | exit(-1); |
---|
1334 | } |
---|
1335 | } |
---|
1336 | } |
---|
1337 | #endif |
---|
1338 | |
---|
1339 | Void TEncCavlc::codeTerminatingBit ( UInt uilsLast ) |
---|
1340 | { |
---|
1341 | } |
---|
1342 | |
---|
1343 | Void TEncCavlc::codeSliceFinish () |
---|
1344 | { |
---|
1345 | } |
---|
1346 | |
---|
1347 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
1348 | Void TEncCavlc::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum ) |
---|
1349 | #else |
---|
1350 | Void TEncCavlc::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
---|
1351 | #endif |
---|
1352 | { |
---|
1353 | assert(0); |
---|
1354 | } |
---|
1355 | |
---|
1356 | Void TEncCavlc::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
1357 | { |
---|
1358 | assert(0); |
---|
1359 | } |
---|
1360 | |
---|
1361 | Void TEncCavlc::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1362 | { |
---|
1363 | assert(0); |
---|
1364 | } |
---|
1365 | |
---|
1366 | Void TEncCavlc::codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1367 | { |
---|
1368 | assert(0); |
---|
1369 | } |
---|
1370 | |
---|
1371 | Void TEncCavlc::codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1372 | { |
---|
1373 | assert(0); |
---|
1374 | } |
---|
1375 | |
---|
1376 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
1377 | Void |
---|
1378 | TEncCavlc::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1379 | { |
---|
1380 | assert(0); |
---|
1381 | } |
---|
1382 | #endif |
---|
1383 | |
---|
1384 | Void TEncCavlc::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1385 | { |
---|
1386 | if (!m_bAlfCtrl) |
---|
1387 | { |
---|
1388 | return; |
---|
1389 | } |
---|
1390 | |
---|
1391 | if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth)) |
---|
1392 | { |
---|
1393 | return; |
---|
1394 | } |
---|
1395 | |
---|
1396 | // get context function is here |
---|
1397 | UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0; |
---|
1398 | |
---|
1399 | xWriteFlag( uiSymbol ); |
---|
1400 | } |
---|
1401 | |
---|
1402 | Void TEncCavlc::codeApsExtensionFlag () |
---|
1403 | { |
---|
1404 | WRITE_FLAG(0, "aps_extension_flag"); |
---|
1405 | } |
---|
1406 | |
---|
1407 | Void TEncCavlc::codeAlfCtrlDepth() |
---|
1408 | { |
---|
1409 | if (!m_bAlfCtrl) |
---|
1410 | { |
---|
1411 | return; |
---|
1412 | } |
---|
1413 | |
---|
1414 | UInt uiDepth = m_uiMaxAlfCtrlDepth; |
---|
1415 | |
---|
1416 | xWriteUvlc(uiDepth); |
---|
1417 | } |
---|
1418 | |
---|
1419 | Void TEncCavlc::codeInterModeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiEncMode ) |
---|
1420 | { |
---|
1421 | assert(0); |
---|
1422 | } |
---|
1423 | |
---|
1424 | Void TEncCavlc::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1425 | { |
---|
1426 | assert(0); |
---|
1427 | } |
---|
1428 | |
---|
1429 | Void TEncCavlc::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
1430 | { |
---|
1431 | assert(0); |
---|
1432 | } |
---|
1433 | |
---|
1434 | Void TEncCavlc::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) |
---|
1435 | { |
---|
1436 | assert(0); |
---|
1437 | } |
---|
1438 | |
---|
1439 | Void TEncCavlc::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) |
---|
1440 | { |
---|
1441 | assert(0); |
---|
1442 | } |
---|
1443 | |
---|
1444 | Void TEncCavlc::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1445 | { |
---|
1446 | assert(0); |
---|
1447 | } |
---|
1448 | |
---|
1449 | #if BURST_IPCM |
---|
1450 | /** Code I_PCM information. |
---|
1451 | * \param pcCU pointer to CU |
---|
1452 | * \param uiAbsPartIdx CU index |
---|
1453 | * \param numIPCM the number of succesive IPCM blocks with the same size |
---|
1454 | * \param firstIPCMFlag |
---|
1455 | * \returns Void |
---|
1456 | */ |
---|
1457 | Void TEncCavlc::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag) |
---|
1458 | { |
---|
1459 | assert(0); |
---|
1460 | } |
---|
1461 | #else |
---|
1462 | /** Code I_PCM information. |
---|
1463 | * \param pcCU pointer to CU |
---|
1464 | * \param uiAbsPartIdx CU index |
---|
1465 | * \returns Void |
---|
1466 | * |
---|
1467 | * If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes. |
---|
1468 | */ |
---|
1469 | Void TEncCavlc::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx) |
---|
1470 | { |
---|
1471 | UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0; |
---|
1472 | |
---|
1473 | xWriteFlag(uiIPCM); |
---|
1474 | |
---|
1475 | if (uiIPCM) |
---|
1476 | { |
---|
1477 | xWritePCMAlignZero(); |
---|
1478 | |
---|
1479 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
---|
1480 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
---|
1481 | UInt uiChromaOffset = uiLumaOffset>>2; |
---|
1482 | |
---|
1483 | Pel* piPCMSample; |
---|
1484 | UInt uiWidth; |
---|
1485 | UInt uiHeight; |
---|
1486 | UInt uiSampleBits; |
---|
1487 | UInt uiX, uiY; |
---|
1488 | |
---|
1489 | piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset; |
---|
1490 | uiWidth = pcCU->getWidth(uiAbsPartIdx); |
---|
1491 | uiHeight = pcCU->getHeight(uiAbsPartIdx); |
---|
1492 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
---|
1493 | |
---|
1494 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
1495 | { |
---|
1496 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
1497 | { |
---|
1498 | UInt uiSample = piPCMSample[uiX]; |
---|
1499 | |
---|
1500 | xWriteCode(uiSample, uiSampleBits); |
---|
1501 | } |
---|
1502 | piPCMSample += uiWidth; |
---|
1503 | } |
---|
1504 | |
---|
1505 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
---|
1506 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
1507 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
1508 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
1509 | |
---|
1510 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
1511 | { |
---|
1512 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
1513 | { |
---|
1514 | UInt uiSample = piPCMSample[uiX]; |
---|
1515 | |
---|
1516 | xWriteCode(uiSample, uiSampleBits); |
---|
1517 | } |
---|
1518 | piPCMSample += uiWidth; |
---|
1519 | } |
---|
1520 | |
---|
1521 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
---|
1522 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
1523 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
1524 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
1525 | |
---|
1526 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
1527 | { |
---|
1528 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
1529 | { |
---|
1530 | UInt uiSample = piPCMSample[uiX]; |
---|
1531 | |
---|
1532 | xWriteCode(uiSample, uiSampleBits); |
---|
1533 | } |
---|
1534 | piPCMSample += uiWidth; |
---|
1535 | } |
---|
1536 | } |
---|
1537 | } |
---|
1538 | #endif |
---|
1539 | |
---|
1540 | Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1541 | { |
---|
1542 | assert(0); |
---|
1543 | } |
---|
1544 | |
---|
1545 | Void TEncCavlc::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1546 | { |
---|
1547 | assert(0); |
---|
1548 | } |
---|
1549 | |
---|
1550 | Void TEncCavlc::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1551 | { |
---|
1552 | assert(0); |
---|
1553 | } |
---|
1554 | |
---|
1555 | Void TEncCavlc::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
---|
1556 | { |
---|
1557 | assert(0); |
---|
1558 | } |
---|
1559 | |
---|
1560 | Void TEncCavlc::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
---|
1561 | { |
---|
1562 | assert(0); |
---|
1563 | } |
---|
1564 | |
---|
1565 | Void TEncCavlc::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1566 | { |
---|
1567 | Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx ); |
---|
1568 | |
---|
1569 | #if H0736_AVC_STYLE_QP_RANGE |
---|
1570 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
---|
1571 | iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2); |
---|
1572 | #endif |
---|
1573 | |
---|
1574 | xWriteSvlc( iDQp ); |
---|
1575 | |
---|
1576 | return; |
---|
1577 | } |
---|
1578 | |
---|
1579 | Void TEncCavlc::codeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
1580 | { |
---|
1581 | assert(0); |
---|
1582 | } |
---|
1583 | |
---|
1584 | Void TEncCavlc::codeAlfFlag( UInt uiCode ) |
---|
1585 | { |
---|
1586 | xWriteFlag( uiCode ); |
---|
1587 | } |
---|
1588 | |
---|
1589 | Void TEncCavlc::codeAlfCtrlFlag( UInt uiSymbol ) |
---|
1590 | { |
---|
1591 | xWriteFlag( uiSymbol ); |
---|
1592 | } |
---|
1593 | |
---|
1594 | Void TEncCavlc::codeAlfUvlc( UInt uiCode ) |
---|
1595 | { |
---|
1596 | xWriteUvlc( uiCode ); |
---|
1597 | } |
---|
1598 | |
---|
1599 | Void TEncCavlc::codeAlfSvlc( Int iCode ) |
---|
1600 | { |
---|
1601 | xWriteSvlc( iCode ); |
---|
1602 | } |
---|
1603 | #if LCU_SYNTAX_ALF |
---|
1604 | /** Code the fixed length code (smaller than one max value) in OSALF |
---|
1605 | * \param idx: coded value |
---|
1606 | * \param maxValue: max value |
---|
1607 | */ |
---|
1608 | Void TEncCavlc::codeAlfFixedLengthIdx( UInt idx, UInt maxValue) |
---|
1609 | { |
---|
1610 | UInt length = 0; |
---|
1611 | assert(idx<=maxValue); |
---|
1612 | |
---|
1613 | UInt temp = maxValue; |
---|
1614 | for(UInt i=0; i<32; i++) |
---|
1615 | { |
---|
1616 | if(temp&0x1) |
---|
1617 | { |
---|
1618 | length = i+1; |
---|
1619 | } |
---|
1620 | temp = (temp >> 1); |
---|
1621 | } |
---|
1622 | |
---|
1623 | if(length) |
---|
1624 | { |
---|
1625 | xWriteCode( idx, length ); |
---|
1626 | } |
---|
1627 | } |
---|
1628 | #endif |
---|
1629 | |
---|
1630 | Void TEncCavlc::codeSaoFlag( UInt uiCode ) |
---|
1631 | { |
---|
1632 | xWriteFlag( uiCode ); |
---|
1633 | } |
---|
1634 | |
---|
1635 | Void TEncCavlc::codeSaoUvlc( UInt uiCode ) |
---|
1636 | { |
---|
1637 | xWriteUvlc( uiCode ); |
---|
1638 | } |
---|
1639 | |
---|
1640 | Void TEncCavlc::codeSaoSvlc( Int iCode ) |
---|
1641 | { |
---|
1642 | xWriteSvlc( iCode ); |
---|
1643 | } |
---|
1644 | #if SAO_UNIT_INTERLEAVING |
---|
1645 | /** Code SAO run. |
---|
1646 | * \param uiCode |
---|
1647 | * \param maxValue |
---|
1648 | */ |
---|
1649 | Void TEncCavlc::codeSaoRun( UInt uiCode, UInt maxValue) |
---|
1650 | { |
---|
1651 | UInt uiLength = 0; |
---|
1652 | if (!maxValue) |
---|
1653 | { |
---|
1654 | return; |
---|
1655 | } |
---|
1656 | assert(uiCode<=maxValue); |
---|
1657 | |
---|
1658 | for(UInt i=0; i<32; i++) |
---|
1659 | { |
---|
1660 | if(maxValue&0x1) |
---|
1661 | { |
---|
1662 | uiLength = i+1; |
---|
1663 | } |
---|
1664 | maxValue = (maxValue >> 1); |
---|
1665 | } |
---|
1666 | WRITE_CODE( uiCode, uiLength, "sao_run_diff"); |
---|
1667 | } |
---|
1668 | #endif |
---|
1669 | |
---|
1670 | Void TEncCavlc::estBit( estBitsSbacStruct* pcEstBitsCabac, Int width, Int height, TextType eTType ) |
---|
1671 | { |
---|
1672 | // printf("error : no VLC mode support in this version\n"); |
---|
1673 | return; |
---|
1674 | } |
---|
1675 | |
---|
1676 | // ==================================================================================================================== |
---|
1677 | // Protected member functions |
---|
1678 | // ==================================================================================================================== |
---|
1679 | |
---|
1680 | Void TEncCavlc::xWriteCode ( UInt uiCode, UInt uiLength ) |
---|
1681 | { |
---|
1682 | assert ( uiLength > 0 ); |
---|
1683 | m_pcBitIf->write( uiCode, uiLength ); |
---|
1684 | } |
---|
1685 | |
---|
1686 | Void TEncCavlc::xWriteUvlc ( UInt uiCode ) |
---|
1687 | { |
---|
1688 | UInt uiLength = 1; |
---|
1689 | UInt uiTemp = ++uiCode; |
---|
1690 | |
---|
1691 | assert ( uiTemp ); |
---|
1692 | |
---|
1693 | while( 1 != uiTemp ) |
---|
1694 | { |
---|
1695 | uiTemp >>= 1; |
---|
1696 | uiLength += 2; |
---|
1697 | } |
---|
1698 | |
---|
1699 | //m_pcBitIf->write( uiCode, uiLength ); |
---|
1700 | // Take care of cases where uiLength > 32 |
---|
1701 | m_pcBitIf->write( 0, uiLength >> 1); |
---|
1702 | m_pcBitIf->write( uiCode, (uiLength+1) >> 1); |
---|
1703 | } |
---|
1704 | |
---|
1705 | Void TEncCavlc::xWriteSvlc ( Int iCode ) |
---|
1706 | { |
---|
1707 | UInt uiCode; |
---|
1708 | |
---|
1709 | uiCode = xConvertToUInt( iCode ); |
---|
1710 | xWriteUvlc( uiCode ); |
---|
1711 | } |
---|
1712 | |
---|
1713 | Void TEncCavlc::xWriteFlag( UInt uiCode ) |
---|
1714 | { |
---|
1715 | m_pcBitIf->write( uiCode, 1 ); |
---|
1716 | } |
---|
1717 | |
---|
1718 | /** Write PCM alignment bits. |
---|
1719 | * \returns Void |
---|
1720 | */ |
---|
1721 | Void TEncCavlc::xWritePCMAlignZero () |
---|
1722 | { |
---|
1723 | m_pcBitIf->writeAlignZero(); |
---|
1724 | } |
---|
1725 | |
---|
1726 | Void TEncCavlc::xWriteUnaryMaxSymbol( UInt uiSymbol, UInt uiMaxSymbol ) |
---|
1727 | { |
---|
1728 | if (uiMaxSymbol == 0) |
---|
1729 | { |
---|
1730 | return; |
---|
1731 | } |
---|
1732 | xWriteFlag( uiSymbol ? 1 : 0 ); |
---|
1733 | if ( uiSymbol == 0 ) |
---|
1734 | { |
---|
1735 | return; |
---|
1736 | } |
---|
1737 | |
---|
1738 | Bool bCodeLast = ( uiMaxSymbol > uiSymbol ); |
---|
1739 | |
---|
1740 | while( --uiSymbol ) |
---|
1741 | { |
---|
1742 | xWriteFlag( 1 ); |
---|
1743 | } |
---|
1744 | if( bCodeLast ) |
---|
1745 | { |
---|
1746 | xWriteFlag( 0 ); |
---|
1747 | } |
---|
1748 | return; |
---|
1749 | } |
---|
1750 | |
---|
1751 | Void TEncCavlc::xWriteExGolombLevel( UInt uiSymbol ) |
---|
1752 | { |
---|
1753 | if( uiSymbol ) |
---|
1754 | { |
---|
1755 | xWriteFlag( 1 ); |
---|
1756 | UInt uiCount = 0; |
---|
1757 | Bool bNoExGo = (uiSymbol < 13); |
---|
1758 | |
---|
1759 | while( --uiSymbol && ++uiCount < 13 ) |
---|
1760 | { |
---|
1761 | xWriteFlag( 1 ); |
---|
1762 | } |
---|
1763 | if( bNoExGo ) |
---|
1764 | { |
---|
1765 | xWriteFlag( 0 ); |
---|
1766 | } |
---|
1767 | else |
---|
1768 | { |
---|
1769 | xWriteEpExGolomb( uiSymbol, 0 ); |
---|
1770 | } |
---|
1771 | } |
---|
1772 | else |
---|
1773 | { |
---|
1774 | xWriteFlag( 0 ); |
---|
1775 | } |
---|
1776 | return; |
---|
1777 | } |
---|
1778 | |
---|
1779 | Void TEncCavlc::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount ) |
---|
1780 | { |
---|
1781 | while( uiSymbol >= (UInt)(1<<uiCount) ) |
---|
1782 | { |
---|
1783 | xWriteFlag( 1 ); |
---|
1784 | uiSymbol -= 1<<uiCount; |
---|
1785 | uiCount ++; |
---|
1786 | } |
---|
1787 | xWriteFlag( 0 ); |
---|
1788 | while( uiCount-- ) |
---|
1789 | { |
---|
1790 | xWriteFlag( (uiSymbol>>uiCount) & 1 ); |
---|
1791 | } |
---|
1792 | return; |
---|
1793 | } |
---|
1794 | |
---|
1795 | /** code explicit wp tables |
---|
1796 | * \param TComSlice* pcSlice |
---|
1797 | * \returns Void |
---|
1798 | */ |
---|
1799 | Void TEncCavlc::xCodePredWeightTable( TComSlice* pcSlice ) |
---|
1800 | { |
---|
1801 | wpScalingParam *wp; |
---|
1802 | Bool bChroma = true; // color always present in HEVC ? |
---|
1803 | Int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1); |
---|
1804 | Bool bDenomCoded = false; |
---|
1805 | |
---|
1806 | UInt uiMode = 0; |
---|
1807 | if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPredIdc()==1 && pcSlice->getRefPicListCombinationFlag()==0 ) ) |
---|
1808 | uiMode = 1; // explicit |
---|
1809 | else if ( pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPredIdc()==2 ) |
---|
1810 | uiMode = 2; // implicit (does not use this mode in this syntax) |
---|
1811 | if (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPredIdc()==1 && pcSlice->getRefPicListCombinationFlag()) |
---|
1812 | uiMode = 3; // combined explicit |
---|
1813 | if(uiMode == 1) |
---|
1814 | { |
---|
1815 | for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) |
---|
1816 | { |
---|
1817 | RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
---|
1818 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
---|
1819 | { |
---|
1820 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
1821 | if ( !bDenomCoded ) |
---|
1822 | { |
---|
1823 | Int iDeltaDenom; |
---|
1824 | WRITE_UVLC( wp[0].uiLog2WeightDenom, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom |
---|
1825 | |
---|
1826 | if( bChroma ) |
---|
1827 | { |
---|
1828 | iDeltaDenom = (wp[1].uiLog2WeightDenom - wp[0].uiLog2WeightDenom); |
---|
1829 | WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom |
---|
1830 | } |
---|
1831 | bDenomCoded = true; |
---|
1832 | } |
---|
1833 | |
---|
1834 | WRITE_FLAG( wp[0].bPresentFlag, "luma_weight_lX_flag" ); // u(1): luma_weight_lX_flag |
---|
1835 | |
---|
1836 | if ( wp[0].bPresentFlag ) |
---|
1837 | { |
---|
1838 | Int iDeltaWeight = (wp[0].iWeight - (1<<wp[0].uiLog2WeightDenom)); |
---|
1839 | WRITE_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_lX |
---|
1840 | WRITE_SVLC( wp[0].iOffset, "luma_offset_lX" ); // se(v): luma_offset_lX |
---|
1841 | } |
---|
1842 | |
---|
1843 | if ( bChroma ) |
---|
1844 | { |
---|
1845 | WRITE_FLAG( wp[1].bPresentFlag, "chroma_weight_lX_flag" ); // u(1): chroma_weight_lX_flag |
---|
1846 | |
---|
1847 | if ( wp[1].bPresentFlag ) |
---|
1848 | { |
---|
1849 | for ( Int j=1 ; j<3 ; j++ ) |
---|
1850 | { |
---|
1851 | Int iDeltaWeight = (wp[j].iWeight - (1<<wp[1].uiLog2WeightDenom)); |
---|
1852 | WRITE_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): delta_chroma_weight_lX |
---|
1853 | |
---|
1854 | Int iDeltaChroma = (wp[j].iOffset + ( ( (g_uiIBDI_MAX>>1)*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) - (g_uiIBDI_MAX>>1)); |
---|
1855 | WRITE_SVLC( iDeltaChroma, "delta_chroma_offset_lX" ); // se(v): delta_chroma_offset_lX |
---|
1856 | } |
---|
1857 | } |
---|
1858 | } |
---|
1859 | } |
---|
1860 | } |
---|
1861 | } |
---|
1862 | else if (uiMode == 3) |
---|
1863 | { |
---|
1864 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(REF_PIC_LIST_C) ; iRefIdx++ ) |
---|
1865 | { |
---|
1866 | RefPicList eRefPicList = (RefPicList)pcSlice->getListIdFromIdxOfLC(iRefIdx); |
---|
1867 | Int iCombRefIdx = pcSlice->getRefIdxFromIdxOfLC(iRefIdx); |
---|
1868 | |
---|
1869 | pcSlice->getWpScaling(eRefPicList, iCombRefIdx, wp); |
---|
1870 | if ( !bDenomCoded ) |
---|
1871 | { |
---|
1872 | Int iDeltaDenom; |
---|
1873 | WRITE_UVLC( wp[0].uiLog2WeightDenom, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom |
---|
1874 | |
---|
1875 | if( bChroma ) |
---|
1876 | { |
---|
1877 | iDeltaDenom = (wp[1].uiLog2WeightDenom - wp[0].uiLog2WeightDenom); |
---|
1878 | WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom |
---|
1879 | } |
---|
1880 | bDenomCoded = true; |
---|
1881 | } |
---|
1882 | |
---|
1883 | WRITE_FLAG( wp[0].bPresentFlag, "luma_weight_lc_flag" ); // u(1): luma_weight_lc_flag |
---|
1884 | |
---|
1885 | if ( wp[0].bPresentFlag ) |
---|
1886 | { |
---|
1887 | Int iDeltaWeight = (wp[0].iWeight - (1<<wp[0].uiLog2WeightDenom)); |
---|
1888 | WRITE_SVLC( iDeltaWeight, "delta_luma_weight_lc" ); // se(v): delta_luma_weight_lc |
---|
1889 | WRITE_SVLC( wp[0].iOffset, "luma_offset_lc" ); // se(v): luma_offset_lc |
---|
1890 | } |
---|
1891 | if ( bChroma ) |
---|
1892 | { |
---|
1893 | WRITE_FLAG( wp[1].bPresentFlag, "chroma_weight_lc_flag" ); // u(1): luma_weight_lc_flag |
---|
1894 | |
---|
1895 | if ( wp[1].bPresentFlag ) |
---|
1896 | { |
---|
1897 | for ( Int j=1 ; j<3 ; j++ ) |
---|
1898 | { |
---|
1899 | Int iDeltaWeight = (wp[j].iWeight - (1<<wp[1].uiLog2WeightDenom)); |
---|
1900 | WRITE_SVLC( iDeltaWeight, "delta_chroma_weight_lc" ); // se(v): delta_chroma_weight_lc |
---|
1901 | |
---|
1902 | Int iDeltaChroma = (wp[j].iOffset + ( ( (g_uiIBDI_MAX>>1)*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) - (g_uiIBDI_MAX>>1)); |
---|
1903 | WRITE_SVLC( iDeltaChroma, "delta_chroma_offset_lc" ); // se(v): delta_chroma_offset_lc |
---|
1904 | } |
---|
1905 | } |
---|
1906 | } |
---|
1907 | } |
---|
1908 | } |
---|
1909 | } |
---|
1910 | |
---|
1911 | /** code quantization matrix |
---|
1912 | * \param scalingList quantization matrix information |
---|
1913 | */ |
---|
1914 | Void TEncCavlc::codeScalingList( TComScalingList* scalingList ) |
---|
1915 | { |
---|
1916 | UInt listId,sizeId; |
---|
1917 | Bool scalingListPredModeFlag; |
---|
1918 | |
---|
1919 | #if SCALING_LIST_OUTPUT_RESULT |
---|
1920 | Int startBit; |
---|
1921 | Int startTotalBit; |
---|
1922 | startBit = m_pcBitIf->getNumberOfWrittenBits(); |
---|
1923 | startTotalBit = m_pcBitIf->getNumberOfWrittenBits(); |
---|
1924 | #endif |
---|
1925 | |
---|
1926 | WRITE_FLAG( scalingList->getScalingListPresentFlag (), "scaling_list_present_flag" ); |
---|
1927 | |
---|
1928 | if(scalingList->getScalingListPresentFlag () == false) |
---|
1929 | { |
---|
1930 | #if SCALING_LIST_OUTPUT_RESULT |
---|
1931 | printf("Header Bit %d\n",m_pcBitIf->getNumberOfWrittenBits()-startBit); |
---|
1932 | #endif |
---|
1933 | //for each size |
---|
1934 | for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) |
---|
1935 | { |
---|
1936 | for(listId = 0; listId < g_scalingListNum[sizeId]; listId++) |
---|
1937 | { |
---|
1938 | #if SCALING_LIST_OUTPUT_RESULT |
---|
1939 | startBit = m_pcBitIf->getNumberOfWrittenBits(); |
---|
1940 | #endif |
---|
1941 | scalingListPredModeFlag = scalingList->checkPredMode( sizeId, listId ); |
---|
1942 | WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" ); |
---|
1943 | if(!scalingListPredModeFlag)// Copy Mode |
---|
1944 | { |
---|
1945 | WRITE_UVLC( (Int)listId - (Int)scalingList->getRefMatrixId (sizeId,listId) - 1, "scaling_list_pred_matrix_id_delta"); |
---|
1946 | } |
---|
1947 | else// DPCM Mode |
---|
1948 | { |
---|
1949 | xCodeScalingList(scalingList, sizeId, listId); |
---|
1950 | } |
---|
1951 | #if SCALING_LIST_OUTPUT_RESULT |
---|
1952 | printf("Matrix [%d][%d] Bit %d\n",sizeId,listId,m_pcBitIf->getNumberOfWrittenBits() - startBit); |
---|
1953 | #endif |
---|
1954 | } |
---|
1955 | } |
---|
1956 | } |
---|
1957 | #if SCALING_LIST_OUTPUT_RESULT |
---|
1958 | else |
---|
1959 | { |
---|
1960 | printf("Header Bit %d\n",m_pcBitIf->getNumberOfWrittenBits()-startTotalBit); |
---|
1961 | } |
---|
1962 | printf("Total Bit %d\n",m_pcBitIf->getNumberOfWrittenBits()-startTotalBit); |
---|
1963 | #endif |
---|
1964 | return; |
---|
1965 | } |
---|
1966 | /** code DPCM |
---|
1967 | * \param scalingList quantization matrix information |
---|
1968 | * \param sizeIdc size index |
---|
1969 | * \param listIdc list index |
---|
1970 | */ |
---|
1971 | Void TEncCavlc::xCodeScalingList(TComScalingList* scalingList, UInt sizeId, UInt listId) |
---|
1972 | { |
---|
1973 | #if SCALING_LIST |
---|
1974 | Int coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); |
---|
1975 | UInt* scan = g_auiFrameScanXY [ (sizeId == 0)? 1 : 2]; |
---|
1976 | #else |
---|
1977 | Int coefNum = (Int)g_scalingListSize[sizeId]; |
---|
1978 | UInt* scan = g_auiFrameScanXY [ sizeId + 1]; |
---|
1979 | #endif |
---|
1980 | Int nextCoef = SCALING_LIST_START_VALUE; |
---|
1981 | Int data; |
---|
1982 | Int *src = scalingList->getScalingListAddress(sizeId, listId); |
---|
1983 | #if SCALING_LIST |
---|
1984 | if(sizeId > SCALING_LIST_8x8 && scalingList->getUseDefaultScalingMatrixFlag(sizeId,listId)) |
---|
1985 | { |
---|
1986 | WRITE_SVLC( -8, "scaling_list_dc_coef_minus8"); |
---|
1987 | } |
---|
1988 | else if(sizeId < SCALING_LIST_16x16 && scalingList->getUseDefaultScalingMatrixFlag(sizeId,listId)) |
---|
1989 | { |
---|
1990 | WRITE_SVLC( -8, "scaling_list_delta_coef"); |
---|
1991 | } |
---|
1992 | else |
---|
1993 | { |
---|
1994 | if( sizeId > SCALING_LIST_8x8 ) |
---|
1995 | { |
---|
1996 | WRITE_SVLC( scalingList->getScalingListDC(sizeId,listId) - 8, "scaling_list_dc_coef_minus8"); |
---|
1997 | } |
---|
1998 | for(Int i=0;i<coefNum;i++) |
---|
1999 | { |
---|
2000 | data = src[scan[i]] - nextCoef; |
---|
2001 | nextCoef = src[scan[i]]; |
---|
2002 | if(data > 127) |
---|
2003 | { |
---|
2004 | data = data - 256; |
---|
2005 | } |
---|
2006 | if(data < -128) |
---|
2007 | { |
---|
2008 | data = data + 256; |
---|
2009 | } |
---|
2010 | |
---|
2011 | WRITE_SVLC( data, "scaling_list_delta_coef"); |
---|
2012 | } |
---|
2013 | } |
---|
2014 | #else |
---|
2015 | for(Int i=0;i<coefNum;i++) |
---|
2016 | { |
---|
2017 | data = src[scan[i]] - nextCoef; |
---|
2018 | nextCoef = src[scan[i]]; |
---|
2019 | if(data > 127) |
---|
2020 | { |
---|
2021 | data = data - 256; |
---|
2022 | } |
---|
2023 | if(data < -128) |
---|
2024 | { |
---|
2025 | data = data + 256; |
---|
2026 | } |
---|
2027 | |
---|
2028 | WRITE_SVLC( data, "delta_coef"); |
---|
2029 | } |
---|
2030 | #endif |
---|
2031 | } |
---|
2032 | Bool TComScalingList::checkPredMode(UInt sizeId, UInt listId) |
---|
2033 | { |
---|
2034 | for(Int predListIdx = (Int)listId -1 ; predListIdx >= 0; predListIdx--) |
---|
2035 | { |
---|
2036 | #if SCALING_LIST |
---|
2037 | if( !memcmp(getScalingListAddress(sizeId,listId),getScalingListAddress(sizeId, predListIdx),sizeof(Int)*min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId])) // check value of matrix |
---|
2038 | && ((sizeId < SCALING_LIST_16x16) || (getScalingListDC(sizeId,listId) == getScalingListDC(sizeId,predListIdx)))) // check DC value |
---|
2039 | #else |
---|
2040 | if( !memcmp(getScalingListAddress(sizeId,listId),getScalingListAddress(sizeId, predListIdx),sizeof(Int)*(Int)g_scalingListSize[sizeId])) // check value of matrix |
---|
2041 | #endif |
---|
2042 | { |
---|
2043 | setRefMatrixId(sizeId, listId, predListIdx); |
---|
2044 | return false; |
---|
2045 | } |
---|
2046 | } |
---|
2047 | return true; |
---|
2048 | } |
---|
2049 | //! \} |
---|