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) 2010-2015, 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 | Void xTraceVPSHeader () |
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48 | { |
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49 | fprintf( g_hTrace, "=========== Video Parameter Set ===========\n" ); |
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50 | } |
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51 | |
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52 | Void xTraceSPSHeader () |
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53 | { |
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54 | fprintf( g_hTrace, "=========== Sequence Parameter Set ===========\n" ); |
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55 | } |
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56 | |
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57 | Void xTracePPSHeader () |
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58 | { |
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59 | fprintf( g_hTrace, "=========== Picture Parameter Set ===========\n"); |
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60 | } |
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61 | |
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62 | Void xTraceSliceHeader () |
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63 | { |
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64 | fprintf( g_hTrace, "=========== Slice ===========\n"); |
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65 | } |
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66 | |
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67 | #endif |
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68 | |
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69 | |
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70 | |
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71 | // ==================================================================================================================== |
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72 | // Constructor / destructor / create / destroy |
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73 | // ==================================================================================================================== |
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74 | |
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75 | TEncCavlc::TEncCavlc() |
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76 | { |
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77 | m_pcBitIf = NULL; |
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78 | } |
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79 | |
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80 | TEncCavlc::~TEncCavlc() |
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81 | { |
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82 | } |
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83 | |
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84 | |
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85 | // ==================================================================================================================== |
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86 | // Public member functions |
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87 | // ==================================================================================================================== |
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88 | |
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89 | Void TEncCavlc::resetEntropy(const TComSlice* /*pSlice*/) |
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90 | { |
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91 | } |
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92 | |
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93 | |
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94 | Void TEncCavlc::codeShortTermRefPicSet( const TComReferencePictureSet* rps, Bool calledFromSliceHeader, Int idx) |
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95 | { |
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96 | #if PRINT_RPS_INFO |
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97 | Int lastBits = getNumberOfWrittenBits(); |
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98 | #endif |
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99 | if (idx > 0) |
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100 | { |
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101 | WRITE_FLAG( rps->getInterRPSPrediction(), "inter_ref_pic_set_prediction_flag" ); // inter_RPS_prediction_flag |
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102 | } |
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103 | if (rps->getInterRPSPrediction()) |
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104 | { |
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105 | Int deltaRPS = rps->getDeltaRPS(); |
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106 | if(calledFromSliceHeader) |
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107 | { |
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108 | WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 |
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109 | } |
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110 | |
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111 | WRITE_CODE( (deltaRPS >=0 ? 0: 1), 1, "delta_rps_sign" ); //delta_rps_sign |
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112 | WRITE_UVLC( abs(deltaRPS) - 1, "abs_delta_rps_minus1"); // absolute delta RPS minus 1 |
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113 | |
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114 | for(Int j=0; j < rps->getNumRefIdc(); j++) |
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115 | { |
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116 | Int refIdc = rps->getRefIdc(j); |
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117 | WRITE_CODE( (refIdc==1? 1: 0), 1, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1 |
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118 | if (refIdc != 1) |
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119 | { |
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120 | WRITE_CODE( refIdc>>1, 1, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise. |
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121 | } |
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122 | } |
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123 | } |
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124 | else |
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125 | { |
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126 | WRITE_UVLC( rps->getNumberOfNegativePictures(), "num_negative_pics" ); |
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127 | WRITE_UVLC( rps->getNumberOfPositivePictures(), "num_positive_pics" ); |
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128 | Int prev = 0; |
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129 | for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++) |
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130 | { |
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131 | WRITE_UVLC( prev-rps->getDeltaPOC(j)-1, "delta_poc_s0_minus1" ); |
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132 | prev = rps->getDeltaPOC(j); |
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133 | WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s0_flag"); |
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134 | } |
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135 | prev = 0; |
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136 | for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++) |
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137 | { |
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138 | WRITE_UVLC( rps->getDeltaPOC(j)-prev-1, "delta_poc_s1_minus1" ); |
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139 | prev = rps->getDeltaPOC(j); |
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140 | WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s1_flag" ); |
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141 | } |
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142 | } |
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143 | |
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144 | #if PRINT_RPS_INFO |
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145 | printf("irps=%d (%2d bits) ", rps->getInterRPSPrediction(), getNumberOfWrittenBits() - lastBits); |
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146 | rps->printDeltaPOC(); |
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147 | #endif |
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148 | } |
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149 | |
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150 | |
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151 | #if CGS_3D_ASYMLUT |
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152 | Void TEncCavlc::codePPS( const TComPPS* pcPPS, TEnc3DAsymLUT * pc3DAsymLUT ) |
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153 | #else |
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154 | Void TEncCavlc::codePPS( const TComPPS* pcPPS ) |
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155 | #endif |
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156 | { |
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157 | #if ENC_DEC_TRACE |
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158 | xTracePPSHeader (); |
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159 | #endif |
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160 | |
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161 | WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" ); |
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162 | WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" ); |
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163 | WRITE_FLAG( pcPPS->getDependentSliceSegmentsEnabledFlag() ? 1 : 0, "dependent_slice_segments_enabled_flag" ); |
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164 | WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); |
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165 | WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits"); |
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166 | WRITE_FLAG( pcPPS->getSignHideFlag(), "sign_data_hiding_flag" ); |
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167 | WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" ); |
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168 | WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1"); |
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169 | WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1"); |
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170 | |
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171 | WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26"); |
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172 | WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" ); |
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173 | WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" ); |
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174 | WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" ); |
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175 | if ( pcPPS->getUseDQP() ) |
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176 | { |
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177 | WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" ); |
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178 | } |
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179 | |
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180 | WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" ); |
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181 | WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" ); |
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182 | |
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183 | WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" ); |
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184 | |
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185 | WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) |
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186 | WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE) |
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187 | WRITE_FLAG( pcPPS->getTransquantBypassEnableFlag() ? 1 : 0, "transquant_bypass_enable_flag" ); |
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188 | WRITE_FLAG( pcPPS->getTilesEnabledFlag() ? 1 : 0, "tiles_enabled_flag" ); |
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189 | WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" ); |
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190 | if( pcPPS->getTilesEnabledFlag() ) |
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191 | { |
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192 | WRITE_UVLC( pcPPS->getNumTileColumnsMinus1(), "num_tile_columns_minus1" ); |
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193 | WRITE_UVLC( pcPPS->getNumTileRowsMinus1(), "num_tile_rows_minus1" ); |
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194 | WRITE_FLAG( pcPPS->getTileUniformSpacingFlag(), "uniform_spacing_flag" ); |
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195 | if( !pcPPS->getTileUniformSpacingFlag() ) |
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196 | { |
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197 | for(UInt i=0; i<pcPPS->getNumTileColumnsMinus1(); i++) |
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198 | { |
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199 | WRITE_UVLC( pcPPS->getTileColumnWidth(i)-1, "column_width_minus1" ); |
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200 | } |
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201 | for(UInt i=0; i<pcPPS->getNumTileRowsMinus1(); i++) |
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202 | { |
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203 | WRITE_UVLC( pcPPS->getTileRowHeight(i)-1, "row_height_minus1" ); |
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204 | } |
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205 | } |
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206 | if(pcPPS->getNumTileColumnsMinus1() !=0 || pcPPS->getNumTileRowsMinus1() !=0) |
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207 | { |
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208 | WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0, "loop_filter_across_tiles_enabled_flag"); |
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209 | } |
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210 | } |
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211 | WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "pps_loop_filter_across_slices_enabled_flag"); |
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212 | WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag"); |
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213 | if(pcPPS->getDeblockingFilterControlPresentFlag()) |
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214 | { |
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215 | WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" ); |
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216 | WRITE_FLAG( pcPPS->getPicDisableDeblockingFilterFlag() ? 1 : 0, "pps_disable_deblocking_filter_flag" ); |
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217 | if(!pcPPS->getPicDisableDeblockingFilterFlag()) |
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218 | { |
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219 | WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" ); |
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220 | WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" ); |
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221 | } |
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222 | } |
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223 | WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0, "pps_scaling_list_data_present_flag" ); |
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224 | if( pcPPS->getScalingListPresentFlag() ) |
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225 | { |
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226 | codeScalingList( pcPPS->getScalingList() ); |
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227 | } |
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228 | WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag"); |
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229 | WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2"); |
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230 | WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag"); |
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231 | |
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232 | Bool pps_extension_present_flag=false; |
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233 | Bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false}; |
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234 | |
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235 | pps_extension_flags[PPS_EXT__REXT] = pcPPS->getPpsRangeExtension().settingsDifferFromDefaults(pcPPS->getUseTransformSkip()); |
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236 | |
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237 | // Other PPS extension flags checked here. |
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238 | |
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239 | #if SVC_EXTENSION |
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240 | pps_extension_flags[PPS_EXT__MLAYER] = pcPPS->getExtensionFlag() ? 1 : 0; |
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241 | #if CGS_3D_ASYMLUT |
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242 | UInt bits = 0; |
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243 | #endif |
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244 | #endif |
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245 | |
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246 | for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) |
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247 | { |
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248 | pps_extension_present_flag|=pps_extension_flags[i]; |
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249 | } |
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250 | |
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251 | WRITE_FLAG( (pps_extension_present_flag?1:0), "pps_extension_present_flag" ); |
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252 | |
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253 | if (pps_extension_present_flag) |
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254 | { |
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255 | #if ENC_DEC_TRACE || RExt__DECODER_DEBUG_BIT_STATISTICS |
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256 | static const char *syntaxStrings[]={ "pps_range_extension_flag", |
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257 | "pps_multilayer_extension_flag", |
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258 | "pps_extension_6bits[0]", |
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259 | "pps_extension_6bits[1]", |
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260 | "pps_extension_6bits[2]", |
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261 | "pps_extension_6bits[3]", |
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262 | "pps_extension_6bits[4]", |
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263 | "pps_extension_6bits[5]" }; |
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264 | #endif |
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265 | |
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266 | for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) |
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267 | { |
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268 | WRITE_FLAG( pps_extension_flags[i]?1:0, syntaxStrings[i] ); |
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269 | } |
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270 | |
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271 | for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum. |
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272 | { |
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273 | if (pps_extension_flags[i]) |
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274 | { |
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275 | switch (PPSExtensionFlagIndex(i)) |
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276 | { |
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277 | case PPS_EXT__REXT: |
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278 | { |
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279 | const TComPPSRExt &ppsRangeExtension = pcPPS->getPpsRangeExtension(); |
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280 | if (pcPPS->getUseTransformSkip()) |
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281 | { |
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282 | WRITE_UVLC( ppsRangeExtension.getLog2MaxTransformSkipBlockSize()-2, "log2_max_transform_skip_block_size_minus2"); |
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283 | } |
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284 | |
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285 | WRITE_FLAG((ppsRangeExtension.getCrossComponentPredictionEnabledFlag() ? 1 : 0), "cross_component_prediction_enabled_flag" ); |
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286 | |
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287 | WRITE_FLAG(UInt(ppsRangeExtension.getChromaQpOffsetListEnabledFlag()), "chroma_qp_offset_list_enabled_flag" ); |
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288 | if (ppsRangeExtension.getChromaQpOffsetListEnabledFlag()) |
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289 | { |
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290 | WRITE_UVLC(ppsRangeExtension.getDiffCuChromaQpOffsetDepth(), "diff_cu_chroma_qp_offset_depth"); |
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291 | WRITE_UVLC(ppsRangeExtension.getChromaQpOffsetListLen() - 1, "chroma_qp_offset_list_len_minus1"); |
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292 | /* skip zero index */ |
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293 | for (Int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx < ppsRangeExtension.getChromaQpOffsetListLen(); cuChromaQpOffsetIdx++) |
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294 | { |
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295 | WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CbOffset, "cb_qp_offset_list[i]"); |
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296 | WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "cr_qp_offset_list[i]"); |
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297 | } |
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298 | } |
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299 | |
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300 | WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_LUMA), "log2_sao_offset_scale_luma" ); |
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301 | WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA), "log2_sao_offset_scale_chroma" ); |
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302 | } |
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303 | break; |
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304 | |
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305 | #if SVC_EXTENSION |
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306 | case PPS_EXT__MLAYER: |
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307 | WRITE_FLAG( pcPPS->getPocResetInfoPresentFlag() ? 1 : 0, "poc_reset_info_present_flag" ); |
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308 | |
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309 | WRITE_FLAG( pcPPS->getInferScalingListFlag() ? 1 : 0, "pps_infer_scaling_list_flag" ); |
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310 | if( pcPPS->getInferScalingListFlag() ) |
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311 | { |
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312 | // The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive |
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313 | assert( pcPPS->getScalingListRefLayerId() <= 62 ); |
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314 | WRITE_CODE( pcPPS->getScalingListRefLayerId(), 6, "pps_scaling_list_ref_layer_id" ); |
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315 | } |
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316 | |
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317 | WRITE_UVLC( pcPPS->getNumRefLayerLocationOffsets(), "num_ref_loc_offsets" ); |
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318 | for(Int k = 0; k < pcPPS->getNumRefLayerLocationOffsets(); k++) |
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319 | { |
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320 | WRITE_CODE( pcPPS->getRefLocationOffsetLayerId(k), 6, "ref_loc_offset_layer_id" ); |
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321 | WRITE_FLAG( pcPPS->getScaledRefLayerOffsetPresentFlag(k) ? 1 : 0, "scaled_ref_layer_offset_prsent_flag" ); |
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322 | if( pcPPS->getScaledRefLayerOffsetPresentFlag(k) ) |
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323 | { |
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324 | Window scaledWindow = pcPPS->getScaledRefLayerWindow(k); |
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325 | WRITE_SVLC( scaledWindow.getWindowLeftOffset() >> 1, "scaled_ref_layer_left_offset" ); |
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326 | WRITE_SVLC( scaledWindow.getWindowTopOffset() >> 1, "scaled_ref_layer_top_offset" ); |
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327 | WRITE_SVLC( scaledWindow.getWindowRightOffset() >> 1, "scaled_ref_layer_right_offset" ); |
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328 | WRITE_SVLC( scaledWindow.getWindowBottomOffset() >> 1, "scaled_ref_layer_bottom_offset" ); |
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329 | } |
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330 | |
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331 | WRITE_FLAG( pcPPS->getRefRegionOffsetPresentFlag(k) ? 1 : 0, "ref_region_offset_prsent_flag" ); |
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332 | |
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333 | if( pcPPS->getRefRegionOffsetPresentFlag(k) ) |
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334 | { |
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335 | const Window refWindow = pcPPS->getRefLayerWindow(k); |
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336 | WRITE_SVLC( refWindow.getWindowLeftOffset() >> 1, "ref_region_left_offset" ); |
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337 | WRITE_SVLC( refWindow.getWindowTopOffset() >> 1, "ref_region_top_offset" ); |
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338 | WRITE_SVLC( refWindow.getWindowRightOffset() >> 1, "ref_region_right_offset" ); |
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339 | WRITE_SVLC( refWindow.getWindowBottomOffset() >> 1, "ref_region_bottom_offset" ); |
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340 | } |
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341 | |
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342 | WRITE_FLAG( pcPPS->getResamplePhaseSetPresentFlag(k) ? 1 : 0, "resample_phase_set_present_flag" ); |
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343 | |
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344 | if( pcPPS->getResamplePhaseSetPresentFlag(k) ) |
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345 | { |
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346 | WRITE_UVLC( pcPPS->getPhaseHorLuma(k), "phase_hor_luma" ); |
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347 | WRITE_UVLC( pcPPS->getPhaseVerLuma(k), "phase_ver_luma" ); |
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348 | WRITE_UVLC( pcPPS->getPhaseHorChroma(k) + 8, "phase_hor_chroma_plus8" ); |
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349 | WRITE_UVLC( pcPPS->getPhaseVerChroma(k) + 8, "phase_ver_chroma_plus8" ); |
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350 | } |
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351 | } |
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352 | #if CGS_3D_ASYMLUT |
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353 | bits = getNumberOfWrittenBits(); |
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354 | WRITE_FLAG( pcPPS->getCGSFlag() , "colour_mapping_enabled_flag" ); |
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355 | if( pcPPS->getCGSFlag() ) |
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356 | { |
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357 | assert( pc3DAsymLUT != NULL ); |
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358 | xCode3DAsymLUT( pc3DAsymLUT ); |
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359 | } |
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360 | pc3DAsymLUT->setPPSBit( getNumberOfWrittenBits() - bits ); |
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361 | #endif |
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362 | break; |
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363 | #endif |
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364 | default: |
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365 | assert(pps_extension_flags[i]==false); // Should never get here with an active PPS extension flag. |
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366 | break; |
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367 | } // switch |
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368 | } // if flag present |
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369 | } // loop over PPS flags |
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370 | } // pps_extension_present_flag is non-zero |
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371 | xWriteRbspTrailingBits(); |
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372 | } |
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373 | |
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374 | Void TEncCavlc::codeVUI( const TComVUI *pcVUI, const TComSPS* pcSPS ) |
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375 | { |
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376 | #if ENC_DEC_TRACE |
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377 | fprintf( g_hTrace, "----------- vui_parameters -----------\n"); |
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378 | #endif |
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379 | WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "aspect_ratio_info_present_flag"); |
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380 | if (pcVUI->getAspectRatioInfoPresentFlag()) |
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381 | { |
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382 | WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "aspect_ratio_idc" ); |
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383 | if (pcVUI->getAspectRatioIdc() == 255) |
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384 | { |
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385 | WRITE_CODE(pcVUI->getSarWidth(), 16, "sar_width"); |
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386 | WRITE_CODE(pcVUI->getSarHeight(), 16, "sar_height"); |
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387 | } |
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388 | } |
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389 | WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "overscan_info_present_flag"); |
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390 | if (pcVUI->getOverscanInfoPresentFlag()) |
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391 | { |
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392 | WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "overscan_appropriate_flag"); |
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393 | } |
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394 | WRITE_FLAG(pcVUI->getVideoSignalTypePresentFlag(), "video_signal_type_present_flag"); |
---|
395 | if (pcVUI->getVideoSignalTypePresentFlag()) |
---|
396 | { |
---|
397 | WRITE_CODE(pcVUI->getVideoFormat(), 3, "video_format"); |
---|
398 | WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "video_full_range_flag"); |
---|
399 | WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "colour_description_present_flag"); |
---|
400 | if (pcVUI->getColourDescriptionPresentFlag()) |
---|
401 | { |
---|
402 | WRITE_CODE(pcVUI->getColourPrimaries(), 8, "colour_primaries"); |
---|
403 | WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "transfer_characteristics"); |
---|
404 | WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "matrix_coeffs"); |
---|
405 | } |
---|
406 | } |
---|
407 | |
---|
408 | WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "chroma_loc_info_present_flag"); |
---|
409 | if (pcVUI->getChromaLocInfoPresentFlag()) |
---|
410 | { |
---|
411 | WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "chroma_sample_loc_type_top_field"); |
---|
412 | WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "chroma_sample_loc_type_bottom_field"); |
---|
413 | } |
---|
414 | |
---|
415 | WRITE_FLAG(pcVUI->getNeutralChromaIndicationFlag(), "neutral_chroma_indication_flag"); |
---|
416 | WRITE_FLAG(pcVUI->getFieldSeqFlag(), "field_seq_flag"); |
---|
417 | WRITE_FLAG(pcVUI->getFrameFieldInfoPresentFlag(), "frame_field_info_present_flag"); |
---|
418 | |
---|
419 | Window defaultDisplayWindow = pcVUI->getDefaultDisplayWindow(); |
---|
420 | WRITE_FLAG(defaultDisplayWindow.getWindowEnabledFlag(), "default_display_window_flag"); |
---|
421 | if( defaultDisplayWindow.getWindowEnabledFlag() ) |
---|
422 | { |
---|
423 | WRITE_UVLC(defaultDisplayWindow.getWindowLeftOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_left_offset"); |
---|
424 | WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_right_offset"); |
---|
425 | WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_top_offset"); |
---|
426 | WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset()/ TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_bottom_offset"); |
---|
427 | } |
---|
428 | const TimingInfo *timingInfo = pcVUI->getTimingInfo(); |
---|
429 | WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vui_timing_info_present_flag"); |
---|
430 | if(timingInfo->getTimingInfoPresentFlag()) |
---|
431 | { |
---|
432 | WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vui_num_units_in_tick"); |
---|
433 | WRITE_CODE(timingInfo->getTimeScale(), 32, "vui_time_scale"); |
---|
434 | WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vui_poc_proportional_to_timing_flag"); |
---|
435 | if(timingInfo->getPocProportionalToTimingFlag()) |
---|
436 | { |
---|
437 | WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vui_num_ticks_poc_diff_one_minus1"); |
---|
438 | } |
---|
439 | WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "vui_hrd_parameters_present_flag"); |
---|
440 | if( pcVUI->getHrdParametersPresentFlag() ) |
---|
441 | { |
---|
442 | codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 ); |
---|
443 | } |
---|
444 | } |
---|
445 | |
---|
446 | WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(), "bitstream_restriction_flag"); |
---|
447 | if (pcVUI->getBitstreamRestrictionFlag()) |
---|
448 | { |
---|
449 | WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(), "tiles_fixed_structure_flag"); |
---|
450 | WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(), "motion_vectors_over_pic_boundaries_flag"); |
---|
451 | WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag"); |
---|
452 | WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(), "min_spatial_segmentation_idc"); |
---|
453 | WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(), "max_bytes_per_pic_denom"); |
---|
454 | WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(), "max_bits_per_min_cu_denom"); |
---|
455 | WRITE_UVLC(pcVUI->getLog2MaxMvLengthHorizontal(), "log2_max_mv_length_horizontal"); |
---|
456 | WRITE_UVLC(pcVUI->getLog2MaxMvLengthVertical(), "log2_max_mv_length_vertical"); |
---|
457 | } |
---|
458 | } |
---|
459 | |
---|
460 | Void TEncCavlc::codeHrdParameters( const TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1 ) |
---|
461 | { |
---|
462 | if( commonInfPresentFlag ) |
---|
463 | { |
---|
464 | WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "nal_hrd_parameters_present_flag" ); |
---|
465 | WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "vcl_hrd_parameters_present_flag" ); |
---|
466 | if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() ) |
---|
467 | { |
---|
468 | WRITE_FLAG( hrd->getSubPicCpbParamsPresentFlag() ? 1 : 0, "sub_pic_hrd_params_present_flag" ); |
---|
469 | if( hrd->getSubPicCpbParamsPresentFlag() ) |
---|
470 | { |
---|
471 | WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" ); |
---|
472 | WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_increment_length_minus1" ); |
---|
473 | WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); |
---|
474 | WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" ); |
---|
475 | } |
---|
476 | WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" ); |
---|
477 | WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" ); |
---|
478 | if( hrd->getSubPicCpbParamsPresentFlag() ) |
---|
479 | { |
---|
480 | WRITE_CODE( hrd->getDuCpbSizeScale(), 4, "du_cpb_size_scale" ); |
---|
481 | } |
---|
482 | WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" ); |
---|
483 | WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(), 5, "au_cpb_removal_delay_length_minus1" ); |
---|
484 | WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1" ); |
---|
485 | } |
---|
486 | } |
---|
487 | Int i, j, nalOrVcl; |
---|
488 | for( i = 0; i <= maxNumSubLayersMinus1; i ++ ) |
---|
489 | { |
---|
490 | WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag"); |
---|
491 | Bool fixedPixRateWithinCvsFlag = true; |
---|
492 | if( !hrd->getFixedPicRateFlag( i ) ) |
---|
493 | { |
---|
494 | fixedPixRateWithinCvsFlag = hrd->getFixedPicRateWithinCvsFlag( i ); |
---|
495 | WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag"); |
---|
496 | } |
---|
497 | if( fixedPixRateWithinCvsFlag ) |
---|
498 | { |
---|
499 | WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1"); |
---|
500 | } |
---|
501 | else |
---|
502 | { |
---|
503 | WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag"); |
---|
504 | } |
---|
505 | if (!hrd->getLowDelayHrdFlag( i )) |
---|
506 | { |
---|
507 | WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1"); |
---|
508 | } |
---|
509 | |
---|
510 | for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) |
---|
511 | { |
---|
512 | if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) || |
---|
513 | ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) ) |
---|
514 | { |
---|
515 | for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ ) |
---|
516 | { |
---|
517 | WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1"); |
---|
518 | WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1"); |
---|
519 | if( hrd->getSubPicCpbParamsPresentFlag() ) |
---|
520 | { |
---|
521 | WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1"); |
---|
522 | WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1"); |
---|
523 | } |
---|
524 | WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag"); |
---|
525 | } |
---|
526 | } |
---|
527 | } |
---|
528 | } |
---|
529 | } |
---|
530 | |
---|
531 | Void TEncCavlc::codeSPS( const TComSPS* pcSPS ) |
---|
532 | { |
---|
533 | #if SVC_EXTENSION |
---|
534 | Bool V1CompatibleSPSFlag = !(pcSPS->getLayerId() != 0 && pcSPS->getNumDirectRefLayers() != 0); |
---|
535 | #endif |
---|
536 | |
---|
537 | const ChromaFormat format = pcSPS->getChromaFormatIdc(); |
---|
538 | const Bool chromaEnabled = isChromaEnabled(format); |
---|
539 | |
---|
540 | #if ENC_DEC_TRACE |
---|
541 | xTraceSPSHeader (); |
---|
542 | #endif |
---|
543 | WRITE_CODE( pcSPS->getVPSId (), 4, "sps_video_parameter_set_id" ); |
---|
544 | #if SVC_EXTENSION |
---|
545 | if(pcSPS->getLayerId() == 0) |
---|
546 | { |
---|
547 | #endif |
---|
548 | WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1" ); |
---|
549 | #if SVC_EXTENSION |
---|
550 | } |
---|
551 | else |
---|
552 | { |
---|
553 | WRITE_CODE( V1CompatibleSPSFlag ? (pcSPS->getMaxTLayers() - 1) : 7, 3, "sps_ext_or_max_sub_layers_minus1" ); |
---|
554 | } |
---|
555 | |
---|
556 | if( V1CompatibleSPSFlag ) |
---|
557 | { |
---|
558 | #endif |
---|
559 | WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0, "sps_temporal_id_nesting_flag" ); |
---|
560 | codePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); |
---|
561 | #if SVC_EXTENSION |
---|
562 | } |
---|
563 | #endif |
---|
564 | WRITE_UVLC( pcSPS->getSPSId (), "sps_seq_parameter_set_id" ); |
---|
565 | #if SVC_EXTENSION |
---|
566 | if( !V1CompatibleSPSFlag ) |
---|
567 | { |
---|
568 | WRITE_FLAG( pcSPS->getUpdateRepFormatFlag(), "update_rep_format_flag" ); |
---|
569 | |
---|
570 | if( pcSPS->getUpdateRepFormatFlag()) |
---|
571 | { |
---|
572 | WRITE_CODE( pcSPS->getUpdateRepFormatIndex(), 8, "sps_rep_format_idx"); |
---|
573 | } |
---|
574 | } |
---|
575 | else |
---|
576 | { |
---|
577 | #endif |
---|
578 | WRITE_UVLC( Int(pcSPS->getChromaFormatIdc ()), "chroma_format_idc" ); |
---|
579 | if( format == CHROMA_444 ) |
---|
580 | { |
---|
581 | WRITE_FLAG( 0, "separate_colour_plane_flag"); |
---|
582 | } |
---|
583 | |
---|
584 | WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" ); |
---|
585 | WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" ); |
---|
586 | Window conf = pcSPS->getConformanceWindow(); |
---|
587 | |
---|
588 | WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" ); |
---|
589 | if (conf.getWindowEnabledFlag()) |
---|
590 | { |
---|
591 | #if SVC_EXTENSION |
---|
592 | WRITE_UVLC( conf.getWindowLeftOffset(), "conf_win_left_offset" ); |
---|
593 | WRITE_UVLC( conf.getWindowRightOffset(), "conf_win_right_offset" ); |
---|
594 | WRITE_UVLC( conf.getWindowTopOffset(), "conf_win_top_offset" ); |
---|
595 | WRITE_UVLC( conf.getWindowBottomOffset(), "conf_win_bottom_offset" ); |
---|
596 | #else |
---|
597 | WRITE_UVLC( conf.getWindowLeftOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_left_offset" ); |
---|
598 | WRITE_UVLC( conf.getWindowRightOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_right_offset" ); |
---|
599 | WRITE_UVLC( conf.getWindowTopOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_top_offset" ); |
---|
600 | WRITE_UVLC( conf.getWindowBottomOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_bottom_offset" ); |
---|
601 | #endif |
---|
602 | } |
---|
603 | #if SVC_EXTENSION |
---|
604 | } |
---|
605 | |
---|
606 | if( V1CompatibleSPSFlag ) |
---|
607 | { |
---|
608 | #endif |
---|
609 | WRITE_UVLC( pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_luma_minus8" ); |
---|
610 | |
---|
611 | WRITE_UVLC( chromaEnabled ? (pcSPS->getBitDepth(CHANNEL_TYPE_CHROMA) - 8):0, "bit_depth_chroma_minus8" ); |
---|
612 | #if SVC_EXTENSION |
---|
613 | } |
---|
614 | #endif |
---|
615 | |
---|
616 | WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" ); |
---|
617 | |
---|
618 | #if SVC_EXTENSION |
---|
619 | if( V1CompatibleSPSFlag ) |
---|
620 | { |
---|
621 | #endif |
---|
622 | const Bool subLayerOrderingInfoPresentFlag = 1; |
---|
623 | WRITE_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); |
---|
624 | for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) |
---|
625 | { |
---|
626 | WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" ); |
---|
627 | WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_max_num_reorder_pics[i]" ); |
---|
628 | WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i), "sps_max_latency_increase_plus1[i]" ); |
---|
629 | if (!subLayerOrderingInfoPresentFlag) |
---|
630 | { |
---|
631 | break; |
---|
632 | } |
---|
633 | } |
---|
634 | #if SVC_EXTENSION |
---|
635 | } |
---|
636 | #endif |
---|
637 | assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() ); |
---|
638 | WRITE_UVLC( pcSPS->getLog2MinCodingBlockSize() - 3, "log2_min_luma_coding_block_size_minus3" ); |
---|
639 | WRITE_UVLC( pcSPS->getLog2DiffMaxMinCodingBlockSize(), "log2_diff_max_min_luma_coding_block_size" ); |
---|
640 | WRITE_UVLC( pcSPS->getQuadtreeTULog2MinSize() - 2, "log2_min_luma_transform_block_size_minus2" ); |
---|
641 | WRITE_UVLC( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize(), "log2_diff_max_min_luma_transform_block_size" ); |
---|
642 | WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthInter() - 1, "max_transform_hierarchy_depth_inter" ); |
---|
643 | WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthIntra() - 1, "max_transform_hierarchy_depth_intra" ); |
---|
644 | WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "scaling_list_enabled_flag" ); |
---|
645 | if(pcSPS->getScalingListFlag()) |
---|
646 | { |
---|
647 | #if SVC_EXTENSION |
---|
648 | if( !V1CompatibleSPSFlag ) |
---|
649 | { |
---|
650 | WRITE_FLAG( pcSPS->getInferScalingListFlag() ? 1 : 0, "sps_infer_scaling_list_flag" ); |
---|
651 | } |
---|
652 | |
---|
653 | if( pcSPS->getInferScalingListFlag() ) |
---|
654 | { |
---|
655 | // The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive |
---|
656 | assert( pcSPS->getScalingListRefLayerId() <= 62 ); |
---|
657 | |
---|
658 | WRITE_CODE( pcSPS->getScalingListRefLayerId(), 6, "sps_scaling_list_ref_layer_id" ); |
---|
659 | } |
---|
660 | else |
---|
661 | { |
---|
662 | #endif |
---|
663 | WRITE_FLAG( pcSPS->getScalingListPresentFlag() ? 1 : 0, "sps_scaling_list_data_present_flag" ); |
---|
664 | if(pcSPS->getScalingListPresentFlag()) |
---|
665 | { |
---|
666 | codeScalingList( pcSPS->getScalingList() ); |
---|
667 | } |
---|
668 | #if SVC_EXTENSION |
---|
669 | } |
---|
670 | #endif |
---|
671 | } |
---|
672 | WRITE_FLAG( pcSPS->getUseAMP() ? 1 : 0, "amp_enabled_flag" ); |
---|
673 | WRITE_FLAG( pcSPS->getUseSAO() ? 1 : 0, "sample_adaptive_offset_enabled_flag"); |
---|
674 | |
---|
675 | WRITE_FLAG( pcSPS->getUsePCM() ? 1 : 0, "pcm_enabled_flag"); |
---|
676 | if( pcSPS->getUsePCM() ) |
---|
677 | { |
---|
678 | WRITE_CODE( pcSPS->getPCMBitDepth(CHANNEL_TYPE_LUMA) - 1, 4, "pcm_sample_bit_depth_luma_minus1" ); |
---|
679 | WRITE_CODE( chromaEnabled ? (pcSPS->getPCMBitDepth(CHANNEL_TYPE_CHROMA) - 1) : 0, 4, "pcm_sample_bit_depth_chroma_minus1" ); |
---|
680 | WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_luma_coding_block_size_minus3" ); |
---|
681 | WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_luma_coding_block_size" ); |
---|
682 | WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag"); |
---|
683 | } |
---|
684 | |
---|
685 | assert( pcSPS->getMaxTLayers() > 0 ); |
---|
686 | |
---|
687 | const TComRPSList* rpsList = pcSPS->getRPSList(); |
---|
688 | |
---|
689 | WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" ); |
---|
690 | for(Int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++) |
---|
691 | { |
---|
692 | const TComReferencePictureSet*rps = rpsList->getReferencePictureSet(i); |
---|
693 | codeShortTermRefPicSet( rps,false, i); |
---|
694 | } |
---|
695 | WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" ); |
---|
696 | if (pcSPS->getLongTermRefsPresent()) |
---|
697 | { |
---|
698 | WRITE_UVLC(pcSPS->getNumLongTermRefPicSPS(), "num_long_term_ref_pics_sps" ); |
---|
699 | for (UInt k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++) |
---|
700 | { |
---|
701 | WRITE_CODE( pcSPS->getLtRefPicPocLsbSps(k), pcSPS->getBitsForPOC(), "lt_ref_pic_poc_lsb_sps"); |
---|
702 | WRITE_FLAG( pcSPS->getUsedByCurrPicLtSPSFlag(k), "used_by_curr_pic_lt_sps_flag[i]"); |
---|
703 | } |
---|
704 | } |
---|
705 | WRITE_FLAG( pcSPS->getTMVPFlagsPresent() ? 1 : 0, "sps_temporal_mvp_enable_flag" ); |
---|
706 | |
---|
707 | WRITE_FLAG( pcSPS->getUseStrongIntraSmoothing(), "sps_strong_intra_smoothing_enable_flag" ); |
---|
708 | |
---|
709 | WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" ); |
---|
710 | if (pcSPS->getVuiParametersPresentFlag()) |
---|
711 | { |
---|
712 | codeVUI(pcSPS->getVuiParameters(), pcSPS); |
---|
713 | } |
---|
714 | |
---|
715 | Bool sps_extension_present_flag=false; |
---|
716 | Bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false}; |
---|
717 | |
---|
718 | sps_extension_flags[SPS_EXT__REXT] = pcSPS->getSpsRangeExtension().settingsDifferFromDefaults(); |
---|
719 | |
---|
720 | // Other SPS extension flags checked here. |
---|
721 | #if SVC_EXTENSION |
---|
722 | sps_extension_flags[SPS_EXT__MLAYER] = pcSPS->getExtensionFlag() ? 1 : 0; |
---|
723 | #endif |
---|
724 | |
---|
725 | for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) |
---|
726 | { |
---|
727 | sps_extension_present_flag|=sps_extension_flags[i]; |
---|
728 | } |
---|
729 | |
---|
730 | WRITE_FLAG( (sps_extension_present_flag?1:0), "sps_extension_present_flag" ); |
---|
731 | |
---|
732 | if (sps_extension_present_flag) |
---|
733 | { |
---|
734 | #if ENC_DEC_TRACE || RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
735 | static const char *syntaxStrings[]={ "sps_range_extension_flag", |
---|
736 | "sps_multilayer_extension_flag", |
---|
737 | "sps_extension_6bits[0]", |
---|
738 | "sps_extension_6bits[1]", |
---|
739 | "sps_extension_6bits[2]", |
---|
740 | "sps_extension_6bits[3]", |
---|
741 | "sps_extension_6bits[4]", |
---|
742 | "sps_extension_6bits[5]" }; |
---|
743 | #endif |
---|
744 | |
---|
745 | for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) |
---|
746 | { |
---|
747 | WRITE_FLAG( sps_extension_flags[i]?1:0, syntaxStrings[i] ); |
---|
748 | } |
---|
749 | |
---|
750 | for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum. |
---|
751 | { |
---|
752 | if (sps_extension_flags[i]) |
---|
753 | { |
---|
754 | switch (SPSExtensionFlagIndex(i)) |
---|
755 | { |
---|
756 | case SPS_EXT__REXT: |
---|
757 | { |
---|
758 | const TComSPSRExt &spsRangeExtension=pcSPS->getSpsRangeExtension(); |
---|
759 | |
---|
760 | WRITE_FLAG( (spsRangeExtension.getTransformSkipRotationEnabledFlag() ? 1 : 0), "transform_skip_rotation_enabled_flag"); |
---|
761 | WRITE_FLAG( (spsRangeExtension.getTransformSkipContextEnabledFlag() ? 1 : 0), "transform_skip_context_enabled_flag"); |
---|
762 | WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "implicit_rdpcm_enabled_flag" ); |
---|
763 | WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "explicit_rdpcm_enabled_flag" ); |
---|
764 | WRITE_FLAG( (spsRangeExtension.getExtendedPrecisionProcessingFlag() ? 1 : 0), "extended_precision_processing_flag" ); |
---|
765 | WRITE_FLAG( (spsRangeExtension.getIntraSmoothingDisabledFlag() ? 1 : 0), "intra_smoothing_disabled_flag" ); |
---|
766 | WRITE_FLAG( (spsRangeExtension.getHighPrecisionOffsetsEnabledFlag() ? 1 : 0), "high_precision_offsets_enabled_flag" ); |
---|
767 | WRITE_FLAG( (spsRangeExtension.getPersistentRiceAdaptationEnabledFlag() ? 1 : 0), "persistent_rice_adaptation_enabled_flag" ); |
---|
768 | WRITE_FLAG( (spsRangeExtension.getCabacBypassAlignmentEnabledFlag() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" ); |
---|
769 | break; |
---|
770 | } |
---|
771 | #if SVC_EXTENSION |
---|
772 | case SPS_EXT__MLAYER: |
---|
773 | codeSPSExtension( pcSPS ); //it is sps_multilayer_extension |
---|
774 | break; |
---|
775 | #endif |
---|
776 | default: |
---|
777 | assert(sps_extension_flags[i]==false); // Should never get here with an active SPS extension flag. |
---|
778 | break; |
---|
779 | } |
---|
780 | } |
---|
781 | } |
---|
782 | } |
---|
783 | xWriteRbspTrailingBits(); |
---|
784 | } |
---|
785 | |
---|
786 | Void TEncCavlc::codeVPS( const TComVPS* pcVPS ) |
---|
787 | { |
---|
788 | #if ENC_DEC_TRACE |
---|
789 | xTraceVPSHeader(); |
---|
790 | #endif |
---|
791 | WRITE_CODE( pcVPS->getVPSId(), 4, "vps_video_parameter_set_id" ); |
---|
792 | #if SVC_EXTENSION |
---|
793 | WRITE_FLAG( pcVPS->getBaseLayerInternalFlag(), "vps_base_layer_internal_flag"); |
---|
794 | WRITE_FLAG( pcVPS->getBaseLayerAvailableFlag(), "vps_base_layer_available_flag"); |
---|
795 | WRITE_CODE( pcVPS->getMaxLayers() - 1, 6, "vps_max_layers_minus1" ); |
---|
796 | assert( pcVPS->getBaseLayerInternalFlag() || pcVPS->getMaxLayers() > 1 ); |
---|
797 | #else |
---|
798 | WRITE_FLAG( 1, "vps_base_layer_internal_flag" ); |
---|
799 | WRITE_FLAG( 1, "vps_base_layer_available_flag" ); |
---|
800 | WRITE_CODE( 0, 6, "vps_max_layers_minus1" ); |
---|
801 | #endif |
---|
802 | WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_sub_layers_minus1" ); |
---|
803 | WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" ); |
---|
804 | assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag()); |
---|
805 | WRITE_CODE( 0xffff, 16, "vps_reserved_0xffff_16bits" ); |
---|
806 | codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 ); |
---|
807 | const Bool subLayerOrderingInfoPresentFlag = 1; |
---|
808 | WRITE_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag"); |
---|
809 | for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++) |
---|
810 | { |
---|
811 | WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i) - 1, "vps_max_dec_pic_buffering_minus1[i]" ); |
---|
812 | WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_max_num_reorder_pics[i]" ); |
---|
813 | WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase_plus1[i]" ); |
---|
814 | if (!subLayerOrderingInfoPresentFlag) |
---|
815 | { |
---|
816 | break; |
---|
817 | } |
---|
818 | } |
---|
819 | |
---|
820 | #if SVC_EXTENSION |
---|
821 | assert( pcVPS->getNumHrdParameters() <= MAX_VPS_LAYER_SETS_PLUS1 ); |
---|
822 | assert( pcVPS->getMaxLayerId() < MAX_VPS_LAYER_IDX_PLUS1 ); |
---|
823 | |
---|
824 | WRITE_CODE( pcVPS->getMaxLayerId(), 6, "vps_max_layer_id" ); |
---|
825 | WRITE_UVLC(pcVPS->getVpsNumLayerSetsMinus1(), "vps_num_layer_sets_minus1"); |
---|
826 | |
---|
827 | for( UInt opsIdx = 1; opsIdx <= pcVPS->getVpsNumLayerSetsMinus1(); opsIdx++ ) |
---|
828 | { |
---|
829 | // Operation point set |
---|
830 | for( UInt i = 0; i <= pcVPS->getMaxLayerId(); i ++ ) |
---|
831 | { |
---|
832 | #else |
---|
833 | assert( pcVPS->getNumHrdParameters() <= MAX_VPS_NUM_HRD_PARAMETERS ); |
---|
834 | assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 ); |
---|
835 | WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6, "vps_max_layer_id" ); |
---|
836 | WRITE_UVLC( pcVPS->getMaxOpSets() - 1, "vps_num_layer_sets_minus1" ); |
---|
837 | for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ ) |
---|
838 | { |
---|
839 | // Operation point set |
---|
840 | for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ ) |
---|
841 | { |
---|
842 | // Only applicable for version 1 |
---|
843 | // pcVPS->setLayerIdIncludedFlag( true, opsIdx, i ); |
---|
844 | #endif |
---|
845 | WRITE_FLAG( pcVPS->getLayerIdIncludedFlag( opsIdx, i ) ? 1 : 0, "layer_id_included_flag[opsIdx][i]" ); |
---|
846 | } |
---|
847 | } |
---|
848 | const TimingInfo *timingInfo = pcVPS->getTimingInfo(); |
---|
849 | WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vps_timing_info_present_flag"); |
---|
850 | if(timingInfo->getTimingInfoPresentFlag()) |
---|
851 | { |
---|
852 | WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vps_num_units_in_tick"); |
---|
853 | WRITE_CODE(timingInfo->getTimeScale(), 32, "vps_time_scale"); |
---|
854 | WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vps_poc_proportional_to_timing_flag"); |
---|
855 | if(timingInfo->getPocProportionalToTimingFlag()) |
---|
856 | { |
---|
857 | WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vps_num_ticks_poc_diff_one_minus1"); |
---|
858 | } |
---|
859 | WRITE_UVLC( pcVPS->getNumHrdParameters(), "vps_num_hrd_parameters" ); |
---|
860 | |
---|
861 | if( pcVPS->getNumHrdParameters() > 0 ) |
---|
862 | { |
---|
863 | for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ ) |
---|
864 | { |
---|
865 | // Only applicable for version 1 |
---|
866 | WRITE_UVLC( pcVPS->getHrdOpSetIdx( i ), "hrd_layer_set_idx" ); |
---|
867 | if( i > 0 ) |
---|
868 | { |
---|
869 | WRITE_FLAG( pcVPS->getCprmsPresentFlag( i ) ? 1 : 0, "cprms_present_flag[i]" ); |
---|
870 | } |
---|
871 | codeHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1); |
---|
872 | } |
---|
873 | } |
---|
874 | } |
---|
875 | #if SVC_EXTENSION |
---|
876 | // When MaxLayersMinus1 is greater than 0, vps_extension_flag shall be equal to 1. |
---|
877 | if( pcVPS->getMaxLayers() > 1 ) |
---|
878 | { |
---|
879 | assert( pcVPS->getVpsExtensionFlag() == true ); |
---|
880 | } |
---|
881 | |
---|
882 | WRITE_FLAG( pcVPS->getVpsExtensionFlag() ? 1 : 0, "vps_extension_flag" ); |
---|
883 | |
---|
884 | if( pcVPS->getVpsExtensionFlag() ) |
---|
885 | { |
---|
886 | while ( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 ) |
---|
887 | { |
---|
888 | WRITE_FLAG(1, "vps_extension_alignment_bit_equal_to_one"); |
---|
889 | } |
---|
890 | codeVPSExtension(pcVPS); |
---|
891 | WRITE_FLAG( 0, "vps_extension2_flag" ); // Flag value of 1 reserved |
---|
892 | } |
---|
893 | #else |
---|
894 | WRITE_FLAG( 0, "vps_extension_flag" ); |
---|
895 | #endif |
---|
896 | |
---|
897 | //future extensions here.. |
---|
898 | xWriteRbspTrailingBits(); |
---|
899 | } |
---|
900 | |
---|
901 | Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice ) |
---|
902 | { |
---|
903 | #if ENC_DEC_TRACE |
---|
904 | xTraceSliceHeader (); |
---|
905 | #endif |
---|
906 | |
---|
907 | const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc(); |
---|
908 | const UInt numberValidComponents = getNumberValidComponents(format); |
---|
909 | const Bool chromaEnabled = isChromaEnabled(format); |
---|
910 | |
---|
911 | //calculate number of bits required for slice address |
---|
912 | Int maxSliceSegmentAddress = pcSlice->getPic()->getNumberOfCtusInFrame(); |
---|
913 | Int bitsSliceSegmentAddress = 0; |
---|
914 | while(maxSliceSegmentAddress>(1<<bitsSliceSegmentAddress)) |
---|
915 | { |
---|
916 | bitsSliceSegmentAddress++; |
---|
917 | } |
---|
918 | const Int ctuTsAddress = pcSlice->getSliceSegmentCurStartCtuTsAddr(); |
---|
919 | |
---|
920 | //write slice address |
---|
921 | const Int sliceSegmentRsAddress = pcSlice->getPic()->getPicSym()->getCtuTsToRsAddrMap(ctuTsAddress); |
---|
922 | |
---|
923 | WRITE_FLAG( sliceSegmentRsAddress==0, "first_slice_segment_in_pic_flag" ); |
---|
924 | if ( pcSlice->getRapPicFlag() ) |
---|
925 | { |
---|
926 | WRITE_FLAG( pcSlice->getNoOutputPriorPicsFlag() ? 1 : 0, "no_output_of_prior_pics_flag" ); |
---|
927 | } |
---|
928 | WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" ); |
---|
929 | if ( pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag() && (sliceSegmentRsAddress!=0) ) |
---|
930 | { |
---|
931 | WRITE_FLAG( pcSlice->getDependentSliceSegmentFlag() ? 1 : 0, "dependent_slice_segment_flag" ); |
---|
932 | } |
---|
933 | if(sliceSegmentRsAddress>0) |
---|
934 | { |
---|
935 | WRITE_CODE( sliceSegmentRsAddress, bitsSliceSegmentAddress, "slice_segment_address" ); |
---|
936 | } |
---|
937 | if ( !pcSlice->getDependentSliceSegmentFlag() ) |
---|
938 | { |
---|
939 | #if SVC_EXTENSION |
---|
940 | Int iBits = 0; |
---|
941 | if(pcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits) |
---|
942 | { |
---|
943 | assert(!!"discardable_flag"); |
---|
944 | |
---|
945 | if (pcSlice->getDiscardableFlag()) |
---|
946 | { |
---|
947 | assert(pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TRAIL_R && |
---|
948 | pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TSA_R && |
---|
949 | pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_STSA_R && |
---|
950 | pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RADL_R && |
---|
951 | pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RASL_R); |
---|
952 | } |
---|
953 | |
---|
954 | WRITE_FLAG(pcSlice->getDiscardableFlag(), "discardable_flag"); |
---|
955 | iBits++; |
---|
956 | } |
---|
957 | |
---|
958 | if( pcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits ) |
---|
959 | { |
---|
960 | assert(!!"cross_layer_bla_flag"); |
---|
961 | WRITE_FLAG(pcSlice->getCrossLayerBLAFlag(), "cross_layer_bla_flag"); |
---|
962 | iBits++; |
---|
963 | } |
---|
964 | |
---|
965 | for (; iBits < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); iBits++) |
---|
966 | { |
---|
967 | assert(!!"slice_reserved_undetermined_flag[]"); |
---|
968 | WRITE_FLAG(0, "slice_reserved_undetermined_flag[]"); |
---|
969 | } |
---|
970 | #else //SVC_EXTENSION |
---|
971 | for (Int i = 0; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) |
---|
972 | { |
---|
973 | WRITE_FLAG(0, "slice_reserved_flag[]"); |
---|
974 | } |
---|
975 | #endif //SVC_EXTENSION |
---|
976 | |
---|
977 | WRITE_UVLC( pcSlice->getSliceType(), "slice_type" ); |
---|
978 | |
---|
979 | if( pcSlice->getPPS()->getOutputFlagPresentFlag() ) |
---|
980 | { |
---|
981 | WRITE_FLAG( pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag" ); |
---|
982 | } |
---|
983 | |
---|
984 | #if SVC_EXTENSION |
---|
985 | if( (pcSlice->getLayerId() > 0 && !pcSlice->getVPS()->getPocLsbNotPresentFlag( pcSlice->getVPS()->getLayerIdxInVps(pcSlice->getLayerId())) ) || !pcSlice->getIdrPicFlag()) |
---|
986 | #else |
---|
987 | if( !pcSlice->getIdrPicFlag() ) |
---|
988 | #endif |
---|
989 | { |
---|
990 | #if SVC_POC |
---|
991 | Int picOrderCntLSB; |
---|
992 | if( pcSlice->getPocResetIdc() == 2 ) // i.e. the LSB is reset |
---|
993 | { |
---|
994 | picOrderCntLSB = pcSlice->getPicOrderCntLsb(); // This will be the LSB value w.r.t to the previous POC reset period. |
---|
995 | } |
---|
996 | else |
---|
997 | { |
---|
998 | picOrderCntLSB = (pcSlice->getPOC() + (1<<pcSlice->getSPS()->getBitsForPOC())) & ((1<<pcSlice->getSPS()->getBitsForPOC())-1); |
---|
999 | } |
---|
1000 | #else |
---|
1001 | Int picOrderCntLSB = (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<<pcSlice->getSPS()->getBitsForPOC())) & ((1<<pcSlice->getSPS()->getBitsForPOC())-1); |
---|
1002 | #endif |
---|
1003 | WRITE_CODE( picOrderCntLSB, pcSlice->getSPS()->getBitsForPOC(), "slice_pic_order_cnt_lsb"); |
---|
1004 | |
---|
1005 | #if SVC_EXTENSION |
---|
1006 | } |
---|
1007 | if( !pcSlice->getIdrPicFlag() ) |
---|
1008 | { |
---|
1009 | #endif |
---|
1010 | const TComReferencePictureSet* rps = pcSlice->getRPS(); |
---|
1011 | |
---|
1012 | // check for bitstream restriction stating that: |
---|
1013 | // If the current picture is a BLA or CRA picture, the value of NumPocTotalCurr shall be equal to 0. |
---|
1014 | // Ideally this process should not be repeated for each slice in a picture |
---|
1015 | #if SVC_EXTENSION |
---|
1016 | if( pcSlice->getLayerId() == 0 ) |
---|
1017 | #endif |
---|
1018 | if (pcSlice->isIRAP()) |
---|
1019 | { |
---|
1020 | for (Int picIdx = 0; picIdx < rps->getNumberOfPictures(); picIdx++) |
---|
1021 | { |
---|
1022 | assert (!rps->getUsed(picIdx)); |
---|
1023 | } |
---|
1024 | } |
---|
1025 | |
---|
1026 | if(pcSlice->getRPSidx() < 0) |
---|
1027 | { |
---|
1028 | WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag"); |
---|
1029 | codeShortTermRefPicSet( rps, true, pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets()); |
---|
1030 | } |
---|
1031 | else |
---|
1032 | { |
---|
1033 | WRITE_FLAG( 1, "short_term_ref_pic_set_sps_flag"); |
---|
1034 | Int numBits = 0; |
---|
1035 | while ((1 << numBits) < pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets()) |
---|
1036 | { |
---|
1037 | numBits++; |
---|
1038 | } |
---|
1039 | if (numBits > 0) |
---|
1040 | { |
---|
1041 | WRITE_CODE( pcSlice->getRPSidx(), numBits, "short_term_ref_pic_set_idx" ); |
---|
1042 | } |
---|
1043 | } |
---|
1044 | if(pcSlice->getSPS()->getLongTermRefsPresent()) |
---|
1045 | { |
---|
1046 | Int numLtrpInSH = rps->getNumberOfLongtermPictures(); |
---|
1047 | Int ltrpInSPS[MAX_NUM_REF_PICS]; |
---|
1048 | Int numLtrpInSPS = 0; |
---|
1049 | UInt ltrpIndex; |
---|
1050 | Int counter = 0; |
---|
1051 | // WARNING: The following code only works only if a matching long-term RPS is |
---|
1052 | // found in the SPS for ALL long-term pictures |
---|
1053 | // The problem is that the SPS coded long-term pictures are moved to the |
---|
1054 | // beginning of the list which causes a mismatch when no reference picture |
---|
1055 | // list reordering is used |
---|
1056 | // NB: Long-term coding is currently not supported in general by the HM encoder |
---|
1057 | for(Int k = rps->getNumberOfPictures()-1; k > rps->getNumberOfPictures()-rps->getNumberOfLongtermPictures()-1; k--) |
---|
1058 | { |
---|
1059 | if (findMatchingLTRP(pcSlice, <rpIndex, rps->getPOC(k), rps->getUsed(k))) |
---|
1060 | { |
---|
1061 | ltrpInSPS[numLtrpInSPS] = ltrpIndex; |
---|
1062 | numLtrpInSPS++; |
---|
1063 | } |
---|
1064 | else |
---|
1065 | { |
---|
1066 | counter++; |
---|
1067 | } |
---|
1068 | } |
---|
1069 | numLtrpInSH -= numLtrpInSPS; |
---|
1070 | // check that either all long-term pictures are coded in SPS or in slice header (no mixing) |
---|
1071 | assert (numLtrpInSH==0 || numLtrpInSPS==0); |
---|
1072 | |
---|
1073 | Int bitsForLtrpInSPS = 0; |
---|
1074 | while (pcSlice->getSPS()->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS)) |
---|
1075 | { |
---|
1076 | bitsForLtrpInSPS++; |
---|
1077 | } |
---|
1078 | if (pcSlice->getSPS()->getNumLongTermRefPicSPS() > 0) |
---|
1079 | { |
---|
1080 | WRITE_UVLC( numLtrpInSPS, "num_long_term_sps"); |
---|
1081 | } |
---|
1082 | WRITE_UVLC( numLtrpInSH, "num_long_term_pics"); |
---|
1083 | // Note that the LSBs of the LT ref. pic. POCs must be sorted before. |
---|
1084 | // Not sorted here because LT ref indices will be used in setRefPicList() |
---|
1085 | Int prevDeltaMSB = 0, prevLSB = 0; |
---|
1086 | Int offset = rps->getNumberOfNegativePictures() + rps->getNumberOfPositivePictures(); |
---|
1087 | counter = 0; |
---|
1088 | // Warning: If some pictures are moved to ltrpInSPS, i is referring to a wrong index |
---|
1089 | // (mapping would be required) |
---|
1090 | for(Int i=rps->getNumberOfPictures()-1 ; i > offset-1; i--, counter++) |
---|
1091 | { |
---|
1092 | if (counter < numLtrpInSPS) |
---|
1093 | { |
---|
1094 | if (bitsForLtrpInSPS > 0) |
---|
1095 | { |
---|
1096 | WRITE_CODE( ltrpInSPS[counter], bitsForLtrpInSPS, "lt_idx_sps[i]"); |
---|
1097 | } |
---|
1098 | } |
---|
1099 | else |
---|
1100 | { |
---|
1101 | WRITE_CODE( rps->getPocLSBLT(i), pcSlice->getSPS()->getBitsForPOC(), "poc_lsb_lt"); |
---|
1102 | WRITE_FLAG( rps->getUsed(i), "used_by_curr_pic_lt_flag"); |
---|
1103 | } |
---|
1104 | WRITE_FLAG( rps->getDeltaPocMSBPresentFlag(i), "delta_poc_msb_present_flag"); |
---|
1105 | |
---|
1106 | if(rps->getDeltaPocMSBPresentFlag(i)) |
---|
1107 | { |
---|
1108 | Bool deltaFlag = false; |
---|
1109 | // First LTRP from SPS || First LTRP from SH || curr LSB != prev LSB |
---|
1110 | if( (i == rps->getNumberOfPictures()-1) || (i == rps->getNumberOfPictures()-1-numLtrpInSPS) || (rps->getPocLSBLT(i) != prevLSB) ) |
---|
1111 | { |
---|
1112 | deltaFlag = true; |
---|
1113 | } |
---|
1114 | if(deltaFlag) |
---|
1115 | { |
---|
1116 | WRITE_UVLC( rps->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i]" ); |
---|
1117 | } |
---|
1118 | else |
---|
1119 | { |
---|
1120 | Int differenceInDeltaMSB = rps->getDeltaPocMSBCycleLT(i) - prevDeltaMSB; |
---|
1121 | assert(differenceInDeltaMSB >= 0); |
---|
1122 | WRITE_UVLC( differenceInDeltaMSB, "delta_poc_msb_cycle_lt[i]" ); |
---|
1123 | } |
---|
1124 | prevLSB = rps->getPocLSBLT(i); |
---|
1125 | prevDeltaMSB = rps->getDeltaPocMSBCycleLT(i); |
---|
1126 | } |
---|
1127 | } |
---|
1128 | } |
---|
1129 | if (pcSlice->getSPS()->getTMVPFlagsPresent()) |
---|
1130 | { |
---|
1131 | WRITE_FLAG( pcSlice->getEnableTMVPFlag() ? 1 : 0, "slice_temporal_mvp_enabled_flag" ); |
---|
1132 | } |
---|
1133 | } |
---|
1134 | |
---|
1135 | #if SVC_EXTENSION |
---|
1136 | if((pcSlice->getLayerId() > 0) && !(pcSlice->getVPS()->getIlpSshSignalingEnabledFlag()) && (pcSlice->getNumILRRefIdx() > 0) ) |
---|
1137 | { |
---|
1138 | WRITE_FLAG(pcSlice->getInterLayerPredEnabledFlag(),"inter_layer_pred_enabled_flag"); |
---|
1139 | if( pcSlice->getInterLayerPredEnabledFlag()) |
---|
1140 | { |
---|
1141 | if(pcSlice->getNumILRRefIdx() > 1) |
---|
1142 | { |
---|
1143 | Int numBits = 1; |
---|
1144 | while ((1 << numBits) < pcSlice->getNumILRRefIdx()) |
---|
1145 | { |
---|
1146 | numBits++; |
---|
1147 | } |
---|
1148 | if( !pcSlice->getVPS()->getMaxOneActiveRefLayerFlag()) |
---|
1149 | { |
---|
1150 | WRITE_CODE(pcSlice->getActiveNumILRRefIdx() - 1, numBits,"num_inter_layer_ref_pics_minus1"); |
---|
1151 | } |
---|
1152 | |
---|
1153 | if( pcSlice->getNumILRRefIdx() != pcSlice->getActiveNumILRRefIdx() ) |
---|
1154 | { |
---|
1155 | for(Int i = 0; i < pcSlice->getActiveNumILRRefIdx(); i++ ) |
---|
1156 | { |
---|
1157 | WRITE_CODE(pcSlice->getInterLayerPredLayerIdc(i),numBits,"inter_layer_pred_layer_idc[i]"); |
---|
1158 | } |
---|
1159 | } |
---|
1160 | } |
---|
1161 | } |
---|
1162 | } |
---|
1163 | #endif //SVC_EXTENSION |
---|
1164 | |
---|
1165 | if(pcSlice->getSPS()->getUseSAO()) |
---|
1166 | { |
---|
1167 | WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "slice_sao_luma_flag" ); |
---|
1168 | if (chromaEnabled) |
---|
1169 | { |
---|
1170 | WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "slice_sao_chroma_flag" ); |
---|
1171 | } |
---|
1172 | } |
---|
1173 | |
---|
1174 | //check if numrefidxes match the defaults. If not, override |
---|
1175 | |
---|
1176 | if (!pcSlice->isIntra()) |
---|
1177 | { |
---|
1178 | Bool overrideFlag = (pcSlice->getNumRefIdx( REF_PIC_LIST_0 )!=pcSlice->getPPS()->getNumRefIdxL0DefaultActive()||(pcSlice->isInterB()&&pcSlice->getNumRefIdx( REF_PIC_LIST_1 )!=pcSlice->getPPS()->getNumRefIdxL1DefaultActive())); |
---|
1179 | WRITE_FLAG( overrideFlag ? 1 : 0, "num_ref_idx_active_override_flag"); |
---|
1180 | if (overrideFlag) |
---|
1181 | { |
---|
1182 | WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, "num_ref_idx_l0_active_minus1" ); |
---|
1183 | if (pcSlice->isInterB()) |
---|
1184 | { |
---|
1185 | WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, "num_ref_idx_l1_active_minus1" ); |
---|
1186 | } |
---|
1187 | else |
---|
1188 | { |
---|
1189 | pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
1190 | } |
---|
1191 | } |
---|
1192 | } |
---|
1193 | else |
---|
1194 | { |
---|
1195 | pcSlice->setNumRefIdx(REF_PIC_LIST_0, 0); |
---|
1196 | pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
1197 | } |
---|
1198 | |
---|
1199 | if( pcSlice->getPPS()->getListsModificationPresentFlag() && pcSlice->getNumRpsCurrTempList() > 1) |
---|
1200 | { |
---|
1201 | TComRefPicListModification* refPicListModification = pcSlice->getRefPicListModification(); |
---|
1202 | if(!pcSlice->isIntra()) |
---|
1203 | { |
---|
1204 | WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0() ? 1 : 0, "ref_pic_list_modification_flag_l0" ); |
---|
1205 | if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0()) |
---|
1206 | { |
---|
1207 | Int numRpsCurrTempList0 = pcSlice->getNumRpsCurrTempList(); |
---|
1208 | if (numRpsCurrTempList0 > 1) |
---|
1209 | { |
---|
1210 | Int length = 1; |
---|
1211 | numRpsCurrTempList0 --; |
---|
1212 | while ( numRpsCurrTempList0 >>= 1) |
---|
1213 | { |
---|
1214 | length ++; |
---|
1215 | } |
---|
1216 | for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_0 ); i++) |
---|
1217 | { |
---|
1218 | WRITE_CODE( refPicListModification->getRefPicSetIdxL0(i), length, "list_entry_l0"); |
---|
1219 | } |
---|
1220 | } |
---|
1221 | } |
---|
1222 | } |
---|
1223 | if(pcSlice->isInterB()) |
---|
1224 | { |
---|
1225 | WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1() ? 1 : 0, "ref_pic_list_modification_flag_l1" ); |
---|
1226 | if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1()) |
---|
1227 | { |
---|
1228 | Int numRpsCurrTempList1 = pcSlice->getNumRpsCurrTempList(); |
---|
1229 | if ( numRpsCurrTempList1 > 1 ) |
---|
1230 | { |
---|
1231 | Int length = 1; |
---|
1232 | numRpsCurrTempList1 --; |
---|
1233 | while ( numRpsCurrTempList1 >>= 1) |
---|
1234 | { |
---|
1235 | length ++; |
---|
1236 | } |
---|
1237 | for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_1 ); i++) |
---|
1238 | { |
---|
1239 | WRITE_CODE( refPicListModification->getRefPicSetIdxL1(i), length, "list_entry_l1"); |
---|
1240 | } |
---|
1241 | } |
---|
1242 | } |
---|
1243 | } |
---|
1244 | } |
---|
1245 | |
---|
1246 | if (pcSlice->isInterB()) |
---|
1247 | { |
---|
1248 | WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0, "mvd_l1_zero_flag"); |
---|
1249 | } |
---|
1250 | |
---|
1251 | if(!pcSlice->isIntra()) |
---|
1252 | { |
---|
1253 | if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag()) |
---|
1254 | { |
---|
1255 | SliceType sliceType = pcSlice->getSliceType(); |
---|
1256 | SliceType encCABACTableIdx = pcSlice->getEncCABACTableIdx(); |
---|
1257 | Bool encCabacInitFlag = (sliceType!=encCABACTableIdx && encCABACTableIdx!=I_SLICE) ? true : false; |
---|
1258 | pcSlice->setCabacInitFlag( encCabacInitFlag ); |
---|
1259 | WRITE_FLAG( encCabacInitFlag?1:0, "cabac_init_flag" ); |
---|
1260 | } |
---|
1261 | } |
---|
1262 | |
---|
1263 | if ( pcSlice->getEnableTMVPFlag() ) |
---|
1264 | { |
---|
1265 | if ( pcSlice->getSliceType() == B_SLICE ) |
---|
1266 | { |
---|
1267 | WRITE_FLAG( pcSlice->getColFromL0Flag(), "collocated_from_l0_flag" ); |
---|
1268 | } |
---|
1269 | |
---|
1270 | if ( pcSlice->getSliceType() != I_SLICE && |
---|
1271 | ((pcSlice->getColFromL0Flag()==1 && pcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)|| |
---|
1272 | (pcSlice->getColFromL0Flag()==0 && pcSlice->getNumRefIdx(REF_PIC_LIST_1)>1))) |
---|
1273 | { |
---|
1274 | WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" ); |
---|
1275 | } |
---|
1276 | } |
---|
1277 | if ( (pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType()==B_SLICE) ) |
---|
1278 | { |
---|
1279 | xCodePredWeightTable( pcSlice ); |
---|
1280 | } |
---|
1281 | assert(pcSlice->getMaxNumMergeCand()<=MRG_MAX_NUM_CANDS); |
---|
1282 | if (!pcSlice->isIntra()) |
---|
1283 | { |
---|
1284 | WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "five_minus_max_num_merge_cand"); |
---|
1285 | } |
---|
1286 | Int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 ); |
---|
1287 | WRITE_SVLC( iCode, "slice_qp_delta" ); |
---|
1288 | if (pcSlice->getPPS()->getSliceChromaQpFlag()) |
---|
1289 | { |
---|
1290 | if (numberValidComponents > COMPONENT_Cb) |
---|
1291 | { |
---|
1292 | WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb), "slice_cb_qp_offset" ); |
---|
1293 | } |
---|
1294 | if (numberValidComponents > COMPONENT_Cr) |
---|
1295 | { |
---|
1296 | WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr), "slice_cr_qp_offset" ); |
---|
1297 | } |
---|
1298 | assert(numberValidComponents <= COMPONENT_Cr+1); |
---|
1299 | } |
---|
1300 | |
---|
1301 | if (pcSlice->getPPS()->getPpsRangeExtension().getChromaQpOffsetListEnabledFlag()) |
---|
1302 | { |
---|
1303 | WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "cu_chroma_qp_offset_enabled_flag"); |
---|
1304 | } |
---|
1305 | |
---|
1306 | if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) |
---|
1307 | { |
---|
1308 | if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() ) |
---|
1309 | { |
---|
1310 | WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag"); |
---|
1311 | } |
---|
1312 | if (pcSlice->getDeblockingFilterOverrideFlag()) |
---|
1313 | { |
---|
1314 | WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "slice_disable_deblocking_filter_flag"); |
---|
1315 | if(!pcSlice->getDeblockingFilterDisable()) |
---|
1316 | { |
---|
1317 | WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "slice_beta_offset_div2"); |
---|
1318 | WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "slice_tc_offset_div2"); |
---|
1319 | } |
---|
1320 | } |
---|
1321 | } |
---|
1322 | |
---|
1323 | Bool isSAOEnabled = pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA) || (chromaEnabled && pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA))); |
---|
1324 | Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable()); |
---|
1325 | |
---|
1326 | if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) |
---|
1327 | { |
---|
1328 | WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag"); |
---|
1329 | } |
---|
1330 | } |
---|
1331 | #if !SVC_EXTENSION |
---|
1332 | if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag()) |
---|
1333 | { |
---|
1334 | WRITE_UVLC(0,"slice_segment_header_extension_length"); |
---|
1335 | } |
---|
1336 | #endif |
---|
1337 | } |
---|
1338 | |
---|
1339 | Void TEncCavlc::codePTL( const TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1) |
---|
1340 | { |
---|
1341 | if(profilePresentFlag) |
---|
1342 | { |
---|
1343 | codeProfileTier(pcPTL->getGeneralPTL(), false); // general_... |
---|
1344 | } |
---|
1345 | WRITE_CODE( Int(pcPTL->getGeneralPTL()->getLevelIdc()), 8, "general_level_idc" ); |
---|
1346 | |
---|
1347 | for (Int i = 0; i < maxNumSubLayersMinus1; i++) |
---|
1348 | { |
---|
1349 | WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" ); |
---|
1350 | WRITE_FLAG( pcPTL->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" ); |
---|
1351 | } |
---|
1352 | |
---|
1353 | if (maxNumSubLayersMinus1 > 0) |
---|
1354 | { |
---|
1355 | for (Int i = maxNumSubLayersMinus1; i < 8; i++) |
---|
1356 | { |
---|
1357 | WRITE_CODE(0, 2, "reserved_zero_2bits"); |
---|
1358 | } |
---|
1359 | } |
---|
1360 | |
---|
1361 | for(Int i = 0; i < maxNumSubLayersMinus1; i++) |
---|
1362 | { |
---|
1363 | if( pcPTL->getSubLayerProfilePresentFlag(i) ) |
---|
1364 | { |
---|
1365 | codeProfileTier(pcPTL->getSubLayerPTL(i), true); // sub_layer_... |
---|
1366 | } |
---|
1367 | if( pcPTL->getSubLayerLevelPresentFlag(i) ) |
---|
1368 | { |
---|
1369 | WRITE_CODE( Int(pcPTL->getSubLayerPTL(i)->getLevelIdc()), 8, "sub_layer_level_idc[i]" ); |
---|
1370 | } |
---|
1371 | } |
---|
1372 | } |
---|
1373 | |
---|
1374 | #if ENC_DEC_TRACE || RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
1375 | Void TEncCavlc::codeProfileTier( const ProfileTierLevel* ptl, const Bool bIsSubLayer ) |
---|
1376 | #define PTL_TRACE_TEXT(txt) bIsSubLayer?("sub_layer_" txt) : ("general_" txt) |
---|
1377 | #else |
---|
1378 | Void TEncCavlc::codeProfileTier( const ProfileTierLevel* ptl, const Bool /*bIsSubLayer*/ ) |
---|
1379 | #define PTL_TRACE_TEXT(txt) txt |
---|
1380 | #endif |
---|
1381 | { |
---|
1382 | WRITE_CODE( ptl->getProfileSpace(), 2 , PTL_TRACE_TEXT("profile_space" )); |
---|
1383 | WRITE_FLAG( ptl->getTierFlag()==Level::HIGH, PTL_TRACE_TEXT("tier_flag" )); |
---|
1384 | #if SVC_EXTENSION |
---|
1385 | WRITE_CODE( (ptl->getProfileIdc() == Profile::SCALABLEMAIN || ptl->getProfileIdc() == Profile::SCALABLEMAIN10) ? 7 : Int(ptl->getProfileIdc()), 5 , PTL_TRACE_TEXT("profile_idc") ); |
---|
1386 | #else |
---|
1387 | WRITE_CODE( Int(ptl->getProfileIdc()), 5 , PTL_TRACE_TEXT("profile_idc" )); |
---|
1388 | #endif |
---|
1389 | for(Int j = 0; j < 32; j++) |
---|
1390 | { |
---|
1391 | WRITE_FLAG( ptl->getProfileCompatibilityFlag(j), PTL_TRACE_TEXT("profile_compatibility_flag[][j]" )); |
---|
1392 | } |
---|
1393 | |
---|
1394 | WRITE_FLAG(ptl->getProgressiveSourceFlag(), PTL_TRACE_TEXT("progressive_source_flag" )); |
---|
1395 | WRITE_FLAG(ptl->getInterlacedSourceFlag(), PTL_TRACE_TEXT("interlaced_source_flag" )); |
---|
1396 | WRITE_FLAG(ptl->getNonPackedConstraintFlag(), PTL_TRACE_TEXT("non_packed_constraint_flag" )); |
---|
1397 | WRITE_FLAG(ptl->getFrameOnlyConstraintFlag(), PTL_TRACE_TEXT("frame_only_constraint_flag" )); |
---|
1398 | |
---|
1399 | if (ptl->getProfileIdc() == Profile::MAINREXT || ptl->getProfileIdc() == Profile::HIGHTHROUGHPUTREXT ) |
---|
1400 | { |
---|
1401 | const UInt bitDepthConstraint=ptl->getBitDepthConstraint(); |
---|
1402 | WRITE_FLAG(bitDepthConstraint<=12, PTL_TRACE_TEXT("max_12bit_constraint_flag" )); |
---|
1403 | WRITE_FLAG(bitDepthConstraint<=10, PTL_TRACE_TEXT("max_10bit_constraint_flag" )); |
---|
1404 | WRITE_FLAG(bitDepthConstraint<= 8, PTL_TRACE_TEXT("max_8bit_constraint_flag" )); |
---|
1405 | const ChromaFormat chromaFmtConstraint=ptl->getChromaFormatConstraint(); |
---|
1406 | WRITE_FLAG(chromaFmtConstraint==CHROMA_422||chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, PTL_TRACE_TEXT("max_422chroma_constraint_flag" )); |
---|
1407 | WRITE_FLAG(chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, PTL_TRACE_TEXT("max_420chroma_constraint_flag" )); |
---|
1408 | WRITE_FLAG(chromaFmtConstraint==CHROMA_400, PTL_TRACE_TEXT("max_monochrome_constraint_flag")); |
---|
1409 | WRITE_FLAG(ptl->getIntraConstraintFlag(), PTL_TRACE_TEXT("intra_constraint_flag" )); |
---|
1410 | WRITE_FLAG(0, PTL_TRACE_TEXT("one_picture_only_constraint_flag")); |
---|
1411 | WRITE_FLAG(ptl->getLowerBitRateConstraintFlag(), PTL_TRACE_TEXT("lower_bit_rate_constraint_flag" )); |
---|
1412 | #if SVC_EXTENSION |
---|
1413 | WRITE_CODE(0, 32, "general_reserved_zero_34bits"); WRITE_CODE(0, 2, "general_reserved_zero_34bits"); |
---|
1414 | } |
---|
1415 | else if( ptl->getProfileIdc() == Profile::SCALABLEMAIN || ptl->getProfileIdc() == Profile::SCALABLEMAIN10 ) // at encoder side, scalable-main10 profile has a profile idc equal to 8, which is converted to 7 during signalling |
---|
1416 | { |
---|
1417 | WRITE_FLAG(true, "general_max_12bit_constraint_flag"); |
---|
1418 | WRITE_FLAG(true, "general_max_10bit_constraint_flag"); |
---|
1419 | WRITE_FLAG((ptl->getProfileIdc() == Profile::SCALABLEMAIN) ? true : false, "general_max_8bit_constraint_flag"); |
---|
1420 | WRITE_FLAG(true, "general_max_422chroma_constraint_flag"); |
---|
1421 | WRITE_FLAG(true, "general_max_420chroma_constraint_flag"); |
---|
1422 | WRITE_FLAG(false, "general_max_monochrome_constraint_flag"); |
---|
1423 | WRITE_FLAG(false, "general_intra_constraint_flag"); |
---|
1424 | WRITE_FLAG(false, "general_one_picture_only_constraint_flag"); |
---|
1425 | WRITE_FLAG(true, "general_lower_bit_rate_constraint_flag"); |
---|
1426 | WRITE_CODE(0, 32, "general_reserved_zero_34bits"); WRITE_CODE(0, 2, "general_reserved_zero_34bits"); |
---|
1427 | } |
---|
1428 | else |
---|
1429 | { |
---|
1430 | WRITE_CODE(0, 32, "general_reserved_zero_43bits"); WRITE_CODE(0, 11, "general_reserved_zero_43bits"); |
---|
1431 | } |
---|
1432 | #else |
---|
1433 | WRITE_CODE(0 , 16, PTL_TRACE_TEXT("reserved_zero_34bits[0..15]" )); |
---|
1434 | WRITE_CODE(0 , 16, PTL_TRACE_TEXT("reserved_zero_34bits[16..31]" )); |
---|
1435 | WRITE_CODE(0 , 2, PTL_TRACE_TEXT("reserved_zero_34bits[32..33]" )); |
---|
1436 | } |
---|
1437 | else |
---|
1438 | { |
---|
1439 | WRITE_CODE(0x0000 , 16, PTL_TRACE_TEXT("reserved_zero_43bits[0..15]" )); |
---|
1440 | WRITE_CODE(0x0000 , 16, PTL_TRACE_TEXT("reserved_zero_43bits[16..31]" )); |
---|
1441 | WRITE_CODE(0x000 , 11, PTL_TRACE_TEXT("reserved_zero_43bits[32..42]" )); |
---|
1442 | } |
---|
1443 | #endif |
---|
1444 | WRITE_FLAG(false, PTL_TRACE_TEXT("inbld_flag" )); |
---|
1445 | #undef PTL_TRACE_TEXT |
---|
1446 | } |
---|
1447 | |
---|
1448 | /** |
---|
1449 | * Write tiles and wavefront substreams sizes for the slice header (entry points). |
---|
1450 | * |
---|
1451 | * \param pSlice TComSlice structure that contains the substream size information. |
---|
1452 | */ |
---|
1453 | Void TEncCavlc::codeTilesWPPEntryPoint( TComSlice* pSlice ) |
---|
1454 | { |
---|
1455 | if (!pSlice->getPPS()->getTilesEnabledFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) |
---|
1456 | { |
---|
1457 | return; |
---|
1458 | } |
---|
1459 | UInt maxOffset = 0; |
---|
1460 | for(Int idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++) |
---|
1461 | { |
---|
1462 | UInt offset=pSlice->getSubstreamSize(idx); |
---|
1463 | if ( offset > maxOffset ) |
---|
1464 | { |
---|
1465 | maxOffset = offset; |
---|
1466 | } |
---|
1467 | } |
---|
1468 | |
---|
1469 | // Determine number of bits "offsetLenMinus1+1" required for entry point information |
---|
1470 | UInt offsetLenMinus1 = 0; |
---|
1471 | while (maxOffset >= (1u << (offsetLenMinus1 + 1))) |
---|
1472 | { |
---|
1473 | offsetLenMinus1++; |
---|
1474 | assert(offsetLenMinus1 + 1 < 32); |
---|
1475 | } |
---|
1476 | |
---|
1477 | WRITE_UVLC(pSlice->getNumberOfSubstreamSizes(), "num_entry_point_offsets"); |
---|
1478 | if (pSlice->getNumberOfSubstreamSizes()>0) |
---|
1479 | { |
---|
1480 | WRITE_UVLC(offsetLenMinus1, "offset_len_minus1"); |
---|
1481 | |
---|
1482 | for (UInt idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++) |
---|
1483 | { |
---|
1484 | WRITE_CODE(pSlice->getSubstreamSize(idx)-1, offsetLenMinus1+1, "entry_point_offset_minus1"); |
---|
1485 | } |
---|
1486 | } |
---|
1487 | } |
---|
1488 | |
---|
1489 | Void TEncCavlc::codeTerminatingBit ( UInt /*uilsLast*/ ) |
---|
1490 | { |
---|
1491 | } |
---|
1492 | |
---|
1493 | Void TEncCavlc::codeSliceFinish () |
---|
1494 | { |
---|
1495 | } |
---|
1496 | |
---|
1497 | Void TEncCavlc::codeMVPIdx ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, RefPicList /*eRefList*/ ) |
---|
1498 | { |
---|
1499 | assert(0); |
---|
1500 | } |
---|
1501 | |
---|
1502 | Void TEncCavlc::codePartSize( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
---|
1503 | { |
---|
1504 | assert(0); |
---|
1505 | } |
---|
1506 | |
---|
1507 | Void TEncCavlc::codePredMode( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1508 | { |
---|
1509 | assert(0); |
---|
1510 | } |
---|
1511 | |
---|
1512 | Void TEncCavlc::codeMergeFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1513 | { |
---|
1514 | assert(0); |
---|
1515 | } |
---|
1516 | |
---|
1517 | Void TEncCavlc::codeMergeIndex ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1518 | { |
---|
1519 | assert(0); |
---|
1520 | } |
---|
1521 | |
---|
1522 | Void TEncCavlc::codeInterModeFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/, UInt /*uiEncMode*/ ) |
---|
1523 | { |
---|
1524 | assert(0); |
---|
1525 | } |
---|
1526 | |
---|
1527 | Void TEncCavlc::codeCUTransquantBypassFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1528 | { |
---|
1529 | assert(0); |
---|
1530 | } |
---|
1531 | |
---|
1532 | Void TEncCavlc::codeSkipFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1533 | { |
---|
1534 | assert(0); |
---|
1535 | } |
---|
1536 | |
---|
1537 | Void TEncCavlc::codeSplitFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
---|
1538 | { |
---|
1539 | assert(0); |
---|
1540 | } |
---|
1541 | |
---|
1542 | Void TEncCavlc::codeTransformSubdivFlag( UInt /*uiSymbol*/, UInt /*uiCtx*/ ) |
---|
1543 | { |
---|
1544 | assert(0); |
---|
1545 | } |
---|
1546 | |
---|
1547 | Void TEncCavlc::codeQtCbf( TComTU& /*rTu*/, const ComponentID /*compID*/, const Bool /*lowestLevel*/ ) |
---|
1548 | { |
---|
1549 | assert(0); |
---|
1550 | } |
---|
1551 | |
---|
1552 | Void TEncCavlc::codeQtRootCbf( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1553 | { |
---|
1554 | assert(0); |
---|
1555 | } |
---|
1556 | |
---|
1557 | Void TEncCavlc::codeQtCbfZero( TComTU& /*rTu*/, const ChannelType /*chType*/ ) |
---|
1558 | { |
---|
1559 | assert(0); |
---|
1560 | } |
---|
1561 | Void TEncCavlc::codeQtRootCbfZero( ) |
---|
1562 | { |
---|
1563 | assert(0); |
---|
1564 | } |
---|
1565 | |
---|
1566 | Void TEncCavlc::codeTransformSkipFlags (TComTU& /*rTu*/, ComponentID /*component*/ ) |
---|
1567 | { |
---|
1568 | assert(0); |
---|
1569 | } |
---|
1570 | |
---|
1571 | /** Code I_PCM information. |
---|
1572 | * \param pcCU pointer to CU |
---|
1573 | * \param uiAbsPartIdx CU index |
---|
1574 | * \returns Void |
---|
1575 | */ |
---|
1576 | Void TEncCavlc::codeIPCMInfo( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1577 | { |
---|
1578 | assert(0); |
---|
1579 | } |
---|
1580 | |
---|
1581 | Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, Bool /*isMultiple*/) |
---|
1582 | { |
---|
1583 | assert(0); |
---|
1584 | } |
---|
1585 | |
---|
1586 | Void TEncCavlc::codeIntraDirChroma( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1587 | { |
---|
1588 | assert(0); |
---|
1589 | } |
---|
1590 | |
---|
1591 | Void TEncCavlc::codeInterDir( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1592 | { |
---|
1593 | assert(0); |
---|
1594 | } |
---|
1595 | |
---|
1596 | Void TEncCavlc::codeRefFrmIdx( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, RefPicList /*eRefList*/ ) |
---|
1597 | { |
---|
1598 | assert(0); |
---|
1599 | } |
---|
1600 | |
---|
1601 | Void TEncCavlc::codeMvd( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, RefPicList /*eRefList*/ ) |
---|
1602 | { |
---|
1603 | assert(0); |
---|
1604 | } |
---|
1605 | |
---|
1606 | Void TEncCavlc::codeCrossComponentPrediction( TComTU& /*rTu*/, ComponentID /*compID*/ ) |
---|
1607 | { |
---|
1608 | assert(0); |
---|
1609 | } |
---|
1610 | |
---|
1611 | Void TEncCavlc::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
1612 | { |
---|
1613 | Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx ); |
---|
1614 | |
---|
1615 | #if SVC_EXTENSION |
---|
1616 | Int qpBdOffsetY = pcCU->getSlice()->getQpBDOffset(CHANNEL_TYPE_LUMA); |
---|
1617 | #else |
---|
1618 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA); |
---|
1619 | #endif |
---|
1620 | iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2); |
---|
1621 | |
---|
1622 | xWriteSvlc( iDQp ); |
---|
1623 | |
---|
1624 | return; |
---|
1625 | } |
---|
1626 | |
---|
1627 | Void TEncCavlc::codeChromaQpAdjustment( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) |
---|
1628 | { |
---|
1629 | assert(0); |
---|
1630 | } |
---|
1631 | |
---|
1632 | Void TEncCavlc::codeCoeffNxN ( TComTU& /*rTu*/, TCoeff* /*pcCoef*/, const ComponentID /*compID*/ ) |
---|
1633 | { |
---|
1634 | assert(0); |
---|
1635 | } |
---|
1636 | |
---|
1637 | Void TEncCavlc::estBit( estBitsSbacStruct* /*pcEstBitsCabac*/, Int /*width*/, Int /*height*/, ChannelType /*chType*/ ) |
---|
1638 | { |
---|
1639 | // printf("error : no VLC mode support in this version\n"); |
---|
1640 | return; |
---|
1641 | } |
---|
1642 | |
---|
1643 | // ==================================================================================================================== |
---|
1644 | // Protected member functions |
---|
1645 | // ==================================================================================================================== |
---|
1646 | |
---|
1647 | //! Code weighted prediction tables |
---|
1648 | Void TEncCavlc::xCodePredWeightTable( TComSlice* pcSlice ) |
---|
1649 | { |
---|
1650 | WPScalingParam *wp; |
---|
1651 | const ChromaFormat format = pcSlice->getPic()->getChromaFormat(); |
---|
1652 | const UInt numberValidComponents = getNumberValidComponents(format); |
---|
1653 | const Bool bChroma = isChromaEnabled(format); |
---|
1654 | const Int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1); |
---|
1655 | Bool bDenomCoded = false; |
---|
1656 | UInt uiTotalSignalledWeightFlags = 0; |
---|
1657 | |
---|
1658 | if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) ) |
---|
1659 | { |
---|
1660 | for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) // loop over l0 and l1 syntax elements |
---|
1661 | { |
---|
1662 | RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
---|
1663 | |
---|
1664 | // NOTE: wp[].uiLog2WeightDenom and wp[].bPresentFlag are actually per-channel-type settings. |
---|
1665 | |
---|
1666 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
---|
1667 | { |
---|
1668 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
1669 | if ( !bDenomCoded ) |
---|
1670 | { |
---|
1671 | Int iDeltaDenom; |
---|
1672 | WRITE_UVLC( wp[COMPONENT_Y].uiLog2WeightDenom, "luma_log2_weight_denom" ); |
---|
1673 | |
---|
1674 | if( bChroma ) |
---|
1675 | { |
---|
1676 | assert(wp[COMPONENT_Cb].uiLog2WeightDenom == wp[COMPONENT_Cr].uiLog2WeightDenom); // check the channel-type settings are consistent across components. |
---|
1677 | iDeltaDenom = (wp[COMPONENT_Cb].uiLog2WeightDenom - wp[COMPONENT_Y].uiLog2WeightDenom); |
---|
1678 | WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); |
---|
1679 | } |
---|
1680 | bDenomCoded = true; |
---|
1681 | } |
---|
1682 | WRITE_FLAG( wp[COMPONENT_Y].bPresentFlag, iNumRef==0?"luma_weight_l0_flag[i]":"luma_weight_l1_flag[i]" ); |
---|
1683 | uiTotalSignalledWeightFlags += wp[COMPONENT_Y].bPresentFlag; |
---|
1684 | } |
---|
1685 | if (bChroma) |
---|
1686 | { |
---|
1687 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
---|
1688 | { |
---|
1689 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
1690 | assert(wp[COMPONENT_Cb].bPresentFlag == wp[COMPONENT_Cr].bPresentFlag); // check the channel-type settings are consistent across components. |
---|
1691 | WRITE_FLAG( wp[COMPONENT_Cb].bPresentFlag, iNumRef==0?"chroma_weight_l0_flag[i]":"chroma_weight_l1_flag[i]" ); |
---|
1692 | uiTotalSignalledWeightFlags += 2*wp[COMPONENT_Cb].bPresentFlag; |
---|
1693 | } |
---|
1694 | } |
---|
1695 | |
---|
1696 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
---|
1697 | { |
---|
1698 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
1699 | if ( wp[COMPONENT_Y].bPresentFlag ) |
---|
1700 | { |
---|
1701 | Int iDeltaWeight = (wp[COMPONENT_Y].iWeight - (1<<wp[COMPONENT_Y].uiLog2WeightDenom)); |
---|
1702 | WRITE_SVLC( iDeltaWeight, iNumRef==0?"delta_luma_weight_l0[i]":"delta_luma_weight_l1[i]" ); |
---|
1703 | WRITE_SVLC( wp[COMPONENT_Y].iOffset, iNumRef==0?"luma_offset_l0[i]":"luma_offset_l1[i]" ); |
---|
1704 | } |
---|
1705 | |
---|
1706 | if ( bChroma ) |
---|
1707 | { |
---|
1708 | if ( wp[COMPONENT_Cb].bPresentFlag ) |
---|
1709 | { |
---|
1710 | for ( Int j = COMPONENT_Cb ; j < numberValidComponents ; j++ ) |
---|
1711 | { |
---|
1712 | assert(wp[COMPONENT_Cb].uiLog2WeightDenom == wp[COMPONENT_Cr].uiLog2WeightDenom); |
---|
1713 | Int iDeltaWeight = (wp[j].iWeight - (1<<wp[COMPONENT_Cb].uiLog2WeightDenom)); |
---|
1714 | WRITE_SVLC( iDeltaWeight, iNumRef==0?"delta_chroma_weight_l0[i]":"delta_chroma_weight_l1[i]" ); |
---|
1715 | |
---|
1716 | #if SVC_EXTENSION |
---|
1717 | Int range=pcSlice->getSPS()->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<<pcSlice->getBitDepth(CHANNEL_TYPE_CHROMA))/2 : 128; |
---|
1718 | #else |
---|
1719 | Int range=pcSlice->getSPS()->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<<pcSlice->getSPS()->getBitDepth(CHANNEL_TYPE_CHROMA))/2 : 128; |
---|
1720 | #endif |
---|
1721 | Int pred = ( range - ( ( range*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) ); |
---|
1722 | Int iDeltaChroma = (wp[j].iOffset - pred); |
---|
1723 | WRITE_SVLC( iDeltaChroma, iNumRef==0?"delta_chroma_offset_l0[i]":"delta_chroma_offset_l1[i]" ); |
---|
1724 | } |
---|
1725 | } |
---|
1726 | } |
---|
1727 | } |
---|
1728 | } |
---|
1729 | assert(uiTotalSignalledWeightFlags<=24); |
---|
1730 | } |
---|
1731 | } |
---|
1732 | |
---|
1733 | /** code quantization matrix |
---|
1734 | * \param scalingList quantization matrix information |
---|
1735 | */ |
---|
1736 | Void TEncCavlc::codeScalingList( const TComScalingList &scalingList ) |
---|
1737 | { |
---|
1738 | //for each size |
---|
1739 | for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) |
---|
1740 | { |
---|
1741 | const Int predListStep = (sizeId == SCALING_LIST_32x32? (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) : 1); // if 32x32, skip over chroma entries. |
---|
1742 | |
---|
1743 | for(UInt listId = 0; listId < SCALING_LIST_NUM; listId+=predListStep) |
---|
1744 | { |
---|
1745 | Bool scalingListPredModeFlag = scalingList.getScalingListPredModeFlag(sizeId, listId); |
---|
1746 | WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" ); |
---|
1747 | if(!scalingListPredModeFlag)// Copy Mode |
---|
1748 | { |
---|
1749 | if (sizeId == SCALING_LIST_32x32) |
---|
1750 | { |
---|
1751 | // adjust the code, to cope with the missing chroma entries |
---|
1752 | WRITE_UVLC( ((Int)listId - (Int)scalingList.getRefMatrixId (sizeId,listId)) / (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES), "scaling_list_pred_matrix_id_delta"); |
---|
1753 | } |
---|
1754 | else |
---|
1755 | { |
---|
1756 | WRITE_UVLC( (Int)listId - (Int)scalingList.getRefMatrixId (sizeId,listId), "scaling_list_pred_matrix_id_delta"); |
---|
1757 | } |
---|
1758 | } |
---|
1759 | else// DPCM Mode |
---|
1760 | { |
---|
1761 | xCodeScalingList(&scalingList, sizeId, listId); |
---|
1762 | } |
---|
1763 | } |
---|
1764 | } |
---|
1765 | return; |
---|
1766 | } |
---|
1767 | /** code DPCM |
---|
1768 | * \param scalingList quantization matrix information |
---|
1769 | * \param sizeId size index |
---|
1770 | * \param listId list index |
---|
1771 | */ |
---|
1772 | Void TEncCavlc::xCodeScalingList(const TComScalingList* scalingList, UInt sizeId, UInt listId) |
---|
1773 | { |
---|
1774 | Int coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); |
---|
1775 | UInt* scan = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][sizeId==0 ? 2 : 3][sizeId==0 ? 2 : 3]; |
---|
1776 | Int nextCoef = SCALING_LIST_START_VALUE; |
---|
1777 | Int data; |
---|
1778 | const Int *src = scalingList->getScalingListAddress(sizeId, listId); |
---|
1779 | if( sizeId > SCALING_LIST_8x8 ) |
---|
1780 | { |
---|
1781 | WRITE_SVLC( scalingList->getScalingListDC(sizeId,listId) - 8, "scaling_list_dc_coef_minus8"); |
---|
1782 | nextCoef = scalingList->getScalingListDC(sizeId,listId); |
---|
1783 | } |
---|
1784 | for(Int i=0;i<coefNum;i++) |
---|
1785 | { |
---|
1786 | data = src[scan[i]] - nextCoef; |
---|
1787 | nextCoef = src[scan[i]]; |
---|
1788 | if(data > 127) |
---|
1789 | { |
---|
1790 | data = data - 256; |
---|
1791 | } |
---|
1792 | if(data < -128) |
---|
1793 | { |
---|
1794 | data = data + 256; |
---|
1795 | } |
---|
1796 | |
---|
1797 | WRITE_SVLC( data, "scaling_list_delta_coef"); |
---|
1798 | } |
---|
1799 | } |
---|
1800 | Bool TEncCavlc::findMatchingLTRP ( TComSlice* pcSlice, UInt *ltrpsIndex, Int ltrpPOC, Bool usedFlag ) |
---|
1801 | { |
---|
1802 | // Bool state = true, state2 = false; |
---|
1803 | Int lsb = ltrpPOC & ((1<<pcSlice->getSPS()->getBitsForPOC())-1); |
---|
1804 | for (Int k = 0; k < pcSlice->getSPS()->getNumLongTermRefPicSPS(); k++) |
---|
1805 | { |
---|
1806 | if ( (lsb == pcSlice->getSPS()->getLtRefPicPocLsbSps(k)) && (usedFlag == pcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(k)) ) |
---|
1807 | { |
---|
1808 | *ltrpsIndex = k; |
---|
1809 | return true; |
---|
1810 | } |
---|
1811 | } |
---|
1812 | return false; |
---|
1813 | } |
---|
1814 | |
---|
1815 | Void TEncCavlc::codeExplicitRdpcmMode( TComTU& /*rTu*/, const ComponentID /*compID*/ ) |
---|
1816 | { |
---|
1817 | assert(0); |
---|
1818 | } |
---|
1819 | |
---|
1820 | #if SVC_EXTENSION |
---|
1821 | Void TEncCavlc::codeSliceHeaderExtn( TComSlice* slice, Int shBitsWrittenTillNow ) |
---|
1822 | { |
---|
1823 | Int tmpBitsBeforeWriting = getNumberOfWrittenBits(); |
---|
1824 | Int maxPocLsb = 1 << slice->getSPS()->getBitsForPOC(); |
---|
1825 | if(slice->getPPS()->getSliceHeaderExtensionPresentFlag()) |
---|
1826 | { |
---|
1827 | // Derive the value of PocMsbValRequiredFlag |
---|
1828 | slice->setPocMsbValRequiredFlag( (slice->getCraPicFlag() || slice->getBlaPicFlag()) |
---|
1829 | && (!slice->getVPS()->getVpsPocLsbAlignedFlag() || |
---|
1830 | (slice->getVPS()->getVpsPocLsbAlignedFlag() && slice->getVPS()->getNumDirectRefLayers(slice->getLayerId()) == 0)) |
---|
1831 | ); |
---|
1832 | |
---|
1833 | // Determine value of SH extension length. |
---|
1834 | Int shExtnLengthInBit = 0; |
---|
1835 | if( slice->getPPS()->getPocResetInfoPresentFlag() ) |
---|
1836 | { |
---|
1837 | shExtnLengthInBit += 2; |
---|
1838 | } |
---|
1839 | |
---|
1840 | if( slice->getPocResetIdc() > 0 ) |
---|
1841 | { |
---|
1842 | shExtnLengthInBit += 6; |
---|
1843 | } |
---|
1844 | |
---|
1845 | if( slice->getPocResetIdc() == 3 ) |
---|
1846 | { |
---|
1847 | shExtnLengthInBit += (slice->getSPS()->getBitsForPOC() + 1); |
---|
1848 | } |
---|
1849 | |
---|
1850 | if( !slice->getPocMsbValRequiredFlag() && slice->getVPS()->getVpsPocLsbAlignedFlag() ) |
---|
1851 | { |
---|
1852 | shExtnLengthInBit++; |
---|
1853 | } |
---|
1854 | else |
---|
1855 | { |
---|
1856 | if( slice->getPocMsbValRequiredFlag() ) |
---|
1857 | { |
---|
1858 | slice->setPocMsbValPresentFlag( true ); |
---|
1859 | } |
---|
1860 | else |
---|
1861 | { |
---|
1862 | slice->setPocMsbValPresentFlag( false ); |
---|
1863 | } |
---|
1864 | } |
---|
1865 | |
---|
1866 | if( slice->getPocMsbNeeded() ) |
---|
1867 | { |
---|
1868 | slice->setPocMsbValPresentFlag(true); |
---|
1869 | } |
---|
1870 | |
---|
1871 | if( slice->getPocMsbValPresentFlag() ) |
---|
1872 | { |
---|
1873 | UInt lengthVal = 1; |
---|
1874 | UInt tempVal = (slice->getPocMsbVal() / maxPocLsb) + 1; |
---|
1875 | assert ( tempVal ); |
---|
1876 | while( 1 != tempVal ) |
---|
1877 | { |
---|
1878 | tempVal >>= 1; |
---|
1879 | lengthVal += 2; |
---|
1880 | } |
---|
1881 | shExtnLengthInBit += lengthVal; |
---|
1882 | } |
---|
1883 | |
---|
1884 | Int shExtnAdditionalBits = 0; |
---|
1885 | |
---|
1886 | if( shExtnLengthInBit % 8 != 0 ) |
---|
1887 | { |
---|
1888 | shExtnAdditionalBits = 8 - (shExtnLengthInBit % 8); |
---|
1889 | } |
---|
1890 | |
---|
1891 | Int shExtnLength = (shExtnLengthInBit + shExtnAdditionalBits) / 8; |
---|
1892 | WRITE_UVLC( shExtnLength, "slice_header_extension_length" ); |
---|
1893 | |
---|
1894 | if( slice->getPPS()->getPocResetInfoPresentFlag() ) |
---|
1895 | { |
---|
1896 | WRITE_CODE( slice->getPocResetIdc(), 2, "poc_reset_idc"); |
---|
1897 | } |
---|
1898 | if( slice->getPocResetIdc() > 0 ) |
---|
1899 | { |
---|
1900 | WRITE_CODE( slice->getPocResetPeriodId(), 6, "poc_reset_period_id"); |
---|
1901 | } |
---|
1902 | if( slice->getPocResetIdc() == 3 ) |
---|
1903 | { |
---|
1904 | WRITE_FLAG( slice->getFullPocResetFlag() ? 1 : 0, "full_poc_reset_flag"); |
---|
1905 | WRITE_CODE( slice->getPocLsbVal(), slice->getSPS()->getBitsForPOC(), "poc_lsb_val"); |
---|
1906 | } |
---|
1907 | |
---|
1908 | if( !slice->getPocMsbValRequiredFlag() && slice->getVPS()->getVpsPocLsbAlignedFlag() ) |
---|
1909 | { |
---|
1910 | WRITE_FLAG( slice->getPocMsbValPresentFlag(), "poc_msb_cycle_val_present_flag" ); |
---|
1911 | } |
---|
1912 | |
---|
1913 | if( slice->getPocMsbValPresentFlag() ) |
---|
1914 | { |
---|
1915 | assert(slice->getPocMsbVal() % maxPocLsb == 0); |
---|
1916 | WRITE_UVLC(slice->getPocMsbVal() / maxPocLsb, "poc_msb_cycle_val"); |
---|
1917 | } |
---|
1918 | |
---|
1919 | for(Int i = 0; i < shExtnAdditionalBits; i++) |
---|
1920 | { |
---|
1921 | WRITE_FLAG( 1, "slice_segment_header_extension_data_bit"); |
---|
1922 | } |
---|
1923 | } |
---|
1924 | |
---|
1925 | shBitsWrittenTillNow += ( getNumberOfWrittenBits() - tmpBitsBeforeWriting ); |
---|
1926 | |
---|
1927 | // Slice header byte_alignment() included in xAttachSliceDataToNalUnit |
---|
1928 | } |
---|
1929 | |
---|
1930 | Void TEncCavlc::codeVPSExtension( const TComVPS *vps ) |
---|
1931 | { |
---|
1932 | Int NumOutputLayersInOutputLayerSet[MAX_VPS_LAYER_SETS_PLUS1]; |
---|
1933 | Int OlsHighestOutputLayerId[MAX_VPS_LAYER_SETS_PLUS1]; |
---|
1934 | |
---|
1935 | if( vps->getMaxLayers() > 1 && vps->getBaseLayerInternalFlag() ) |
---|
1936 | { |
---|
1937 | codePTL( vps->getPTL(1), false, vps->getMaxTLayers() - 1 ); |
---|
1938 | } |
---|
1939 | |
---|
1940 | UInt i = 0, j = 0; |
---|
1941 | |
---|
1942 | WRITE_FLAG( vps->getSplittingFlag(), "splitting_flag" ); |
---|
1943 | |
---|
1944 | for(i = 0; i < MAX_VPS_NUM_SCALABILITY_TYPES; i++) |
---|
1945 | { |
---|
1946 | WRITE_FLAG( vps->getScalabilityMask(i), "scalability_mask[i]" ); |
---|
1947 | } |
---|
1948 | |
---|
1949 | for(j = 0; j < vps->getNumScalabilityTypes() - vps->getSplittingFlag(); j++) |
---|
1950 | { |
---|
1951 | WRITE_CODE( vps->getDimensionIdLen(j) - 1, 3, "dimension_id_len_minus1[j]" ); |
---|
1952 | } |
---|
1953 | |
---|
1954 | // The value of dimBitOffset[ NumScalabilityTypes ] is set equal to 6. |
---|
1955 | if(vps->getSplittingFlag()) |
---|
1956 | { |
---|
1957 | UInt splDimSum=0; |
---|
1958 | for(j = 0; j < vps->getNumScalabilityTypes(); j++) |
---|
1959 | { |
---|
1960 | splDimSum+=(vps->getDimensionIdLen(j)); |
---|
1961 | } |
---|
1962 | assert(splDimSum<=6); |
---|
1963 | } |
---|
1964 | |
---|
1965 | WRITE_FLAG( vps->getNuhLayerIdPresentFlag(), "vps_nuh_layer_id_present_flag" ); |
---|
1966 | for(i = 1; i < vps->getMaxLayers(); i++) |
---|
1967 | { |
---|
1968 | if( vps->getNuhLayerIdPresentFlag() ) |
---|
1969 | { |
---|
1970 | WRITE_CODE( vps->getLayerIdInNuh(i), 6, "layer_id_in_nuh[i]" ); |
---|
1971 | } |
---|
1972 | |
---|
1973 | if( !vps->getSplittingFlag() ) |
---|
1974 | { |
---|
1975 | for(j = 0; j < vps->getNumScalabilityTypes(); j++) |
---|
1976 | { |
---|
1977 | UInt bits = vps->getDimensionIdLen(j); |
---|
1978 | WRITE_CODE( vps->getDimensionId(i, j), bits, "dimension_id[i][j]" ); |
---|
1979 | } |
---|
1980 | } |
---|
1981 | } |
---|
1982 | |
---|
1983 | WRITE_CODE( vps->getViewIdLen( ), 4, "view_id_len" ); |
---|
1984 | assert ( vps->getNumViews() >= (1<<vps->getViewIdLen()) ); |
---|
1985 | |
---|
1986 | if ( vps->getViewIdLen() > 0 ) |
---|
1987 | { |
---|
1988 | for( i = 0; i < vps->getNumViews(); i++ ) |
---|
1989 | { |
---|
1990 | WRITE_CODE( vps->getViewIdVal( i ), vps->getViewIdLen( ), "view_id_val[i]" ); |
---|
1991 | } |
---|
1992 | } |
---|
1993 | |
---|
1994 | for( Int layerCtr = 1; layerCtr < vps->getMaxLayers(); layerCtr++) |
---|
1995 | { |
---|
1996 | for( Int refLayerCtr = 0; refLayerCtr < layerCtr; refLayerCtr++) |
---|
1997 | { |
---|
1998 | WRITE_FLAG(vps->getDirectDependencyFlag(layerCtr, refLayerCtr), "direct_dependency_flag[i][j]" ); |
---|
1999 | } |
---|
2000 | } |
---|
2001 | |
---|
2002 | if( vps->getNumIndependentLayers() > 1 ) |
---|
2003 | { |
---|
2004 | WRITE_UVLC( vps->getNumAddLayerSets(), "num_add_layer_sets" ); |
---|
2005 | |
---|
2006 | for( i = 0; i < vps->getNumAddLayerSets(); i++ ) |
---|
2007 | { |
---|
2008 | for( j = 1; j < vps->getNumIndependentLayers(); j++ ) |
---|
2009 | { |
---|
2010 | Int len = 1; |
---|
2011 | while( (1 << len) < (vps->getNumLayersInTreePartition(j) + 1) ) |
---|
2012 | { |
---|
2013 | len++; |
---|
2014 | } |
---|
2015 | WRITE_CODE(vps->getHighestLayerIdxPlus1(i, j), len, "highest_layer_idx_plus1[i][j]"); |
---|
2016 | } |
---|
2017 | } |
---|
2018 | } |
---|
2019 | |
---|
2020 | WRITE_FLAG( vps->getMaxTSLayersPresentFlag(), "vps_sub_layers_max_minus1_present_flag"); |
---|
2021 | if( vps->getMaxTSLayersPresentFlag() ) |
---|
2022 | { |
---|
2023 | for( i = 0; i < vps->getMaxLayers(); i++ ) |
---|
2024 | { |
---|
2025 | WRITE_CODE(vps->getMaxTSLayersMinus1(i), 3, "sub_layers_vps_max_minus1[i]" ); |
---|
2026 | } |
---|
2027 | } |
---|
2028 | |
---|
2029 | WRITE_FLAG( vps->getMaxTidRefPresentFlag(), "max_tid_ref_present_flag"); |
---|
2030 | if (vps->getMaxTidRefPresentFlag()) |
---|
2031 | { |
---|
2032 | for( i = 0; i < vps->getMaxLayers() - 1; i++) |
---|
2033 | { |
---|
2034 | for( j = i+1; j <= vps->getMaxLayers() - 1; j++) |
---|
2035 | { |
---|
2036 | if(vps->getDirectDependencyFlag(j, i)) |
---|
2037 | { |
---|
2038 | WRITE_CODE(vps->getMaxTidIlRefPicsPlus1(i,j), 3, "max_tid_il_ref_pics_plus1[i][j]" ); |
---|
2039 | } |
---|
2040 | } |
---|
2041 | } |
---|
2042 | } |
---|
2043 | WRITE_FLAG( vps->getIlpSshSignalingEnabledFlag(), "all_ref_layers_active_flag" ); |
---|
2044 | |
---|
2045 | // Profile-tier-level signalling |
---|
2046 | WRITE_UVLC( vps->getNumProfileTierLevel() - 1, "vps_num_profile_tier_level_minus1"); |
---|
2047 | |
---|
2048 | Int const numBitsForPtlIdx = vps->calculateLenOfSyntaxElement( vps->getNumProfileTierLevel() ); |
---|
2049 | |
---|
2050 | //Do something here to make sure the loop is correct to consider base layer internal stuff |
---|
2051 | |
---|
2052 | for( Int idx = vps->getBaseLayerInternalFlag() ? 2 : 1; idx < vps->getNumProfileTierLevel(); idx++ ) |
---|
2053 | { |
---|
2054 | WRITE_FLAG( vps->getProfilePresentFlag(idx), "vps_profile_present_flag[i]" ); |
---|
2055 | |
---|
2056 | codePTL( vps->getPTL(idx), vps->getProfilePresentFlag(idx), vps->getMaxTLayers() - 1 ); |
---|
2057 | } |
---|
2058 | |
---|
2059 | Int numOutputLayerSets = vps->getNumOutputLayerSets(); |
---|
2060 | Int numAddOutputLayerSets = numOutputLayerSets - (Int)vps->getNumLayerSets(); |
---|
2061 | |
---|
2062 | // The value of num_add_olss shall be in the range of 0 to 1023, inclusive. |
---|
2063 | assert( numAddOutputLayerSets >= 0 && numAddOutputLayerSets < 1024 ); |
---|
2064 | |
---|
2065 | if( vps->getNumLayerSets() > 1 ) |
---|
2066 | { |
---|
2067 | WRITE_UVLC( numAddOutputLayerSets, "num_add_olss" ); |
---|
2068 | WRITE_CODE( vps->getDefaultTargetOutputLayerIdc(), 2, "default_output_layer_idc" ); |
---|
2069 | } |
---|
2070 | |
---|
2071 | for(i = 1; i < numOutputLayerSets; i++) |
---|
2072 | { |
---|
2073 | Int layerSetIdxForOutputLayerSet = vps->getOutputLayerSetIdx(i); |
---|
2074 | if( vps->getNumLayerSets() > 2 && i >= vps->getNumLayerSets() ) |
---|
2075 | { |
---|
2076 | Int numBits = 1; |
---|
2077 | while ((1 << numBits) < (vps->getNumLayerSets() - 1)) |
---|
2078 | { |
---|
2079 | numBits++; |
---|
2080 | } |
---|
2081 | WRITE_CODE( vps->getOutputLayerSetIdx(i) - 1, numBits, "layer_set_idx_for_ols_minus1"); |
---|
2082 | } |
---|
2083 | |
---|
2084 | if( i > vps->getVpsNumLayerSetsMinus1() || vps->getDefaultTargetOutputLayerIdc() >= 2 ) //Instead of == 2, >= 2 is used to follow the agreement that value 3 should be interpreted as 2 |
---|
2085 | { |
---|
2086 | for( j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++ ) |
---|
2087 | { |
---|
2088 | WRITE_FLAG( vps->getOutputLayerFlag(i,j), "output_layer_flag[i][j]"); |
---|
2089 | } |
---|
2090 | } |
---|
2091 | |
---|
2092 | for( j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++ ) |
---|
2093 | { |
---|
2094 | if( vps->getNecessaryLayerFlag(i, j) && (vps->getNumProfileTierLevel() - 1) > 0 ) |
---|
2095 | { |
---|
2096 | WRITE_CODE( vps->getProfileLevelTierIdx(i, j), numBitsForPtlIdx, "profile_tier_level_idx[i]" ); |
---|
2097 | } |
---|
2098 | } |
---|
2099 | |
---|
2100 | NumOutputLayersInOutputLayerSet[i] = 0; |
---|
2101 | |
---|
2102 | for( j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++ ) |
---|
2103 | { |
---|
2104 | NumOutputLayersInOutputLayerSet[i] += vps->getOutputLayerFlag(i, j); |
---|
2105 | if( vps->getOutputLayerFlag(i, j) ) |
---|
2106 | { |
---|
2107 | OlsHighestOutputLayerId[i] = vps->getLayerSetLayerIdList(layerSetIdxForOutputLayerSet, j); |
---|
2108 | } |
---|
2109 | } |
---|
2110 | if( NumOutputLayersInOutputLayerSet[i] == 1 && vps->getNumDirectRefLayers(OlsHighestOutputLayerId[i]) > 0 ) |
---|
2111 | { |
---|
2112 | WRITE_FLAG(vps->getAltOuputLayerFlag(i), "alt_output_layer_flag[i]"); |
---|
2113 | } |
---|
2114 | |
---|
2115 | assert( NumOutputLayersInOutputLayerSet[i] > 0 ); |
---|
2116 | } |
---|
2117 | |
---|
2118 | // The value of vps_num_rep_formats_minus1 shall be in the range of 0 to 255, inclusive. |
---|
2119 | assert( vps->getVpsNumRepFormats() > 0 && vps->getVpsNumRepFormats() <= 256 ); |
---|
2120 | |
---|
2121 | WRITE_UVLC( vps->getVpsNumRepFormats() - 1, "vps_num_rep_formats_minus1" ); |
---|
2122 | |
---|
2123 | for(i = 0; i < vps->getVpsNumRepFormats(); i++) |
---|
2124 | { |
---|
2125 | // Write rep_format_structures |
---|
2126 | codeRepFormat( vps->getVpsRepFormat(i) ); |
---|
2127 | } |
---|
2128 | |
---|
2129 | if( vps->getVpsNumRepFormats() > 1 ) |
---|
2130 | { |
---|
2131 | WRITE_FLAG( vps->getRepFormatIdxPresentFlag(), "rep_format_idx_present_flag"); |
---|
2132 | } |
---|
2133 | else |
---|
2134 | { |
---|
2135 | // When not present, the value of rep_format_idx_present_flag is inferred to be equal to 0 |
---|
2136 | assert( !vps->getRepFormatIdxPresentFlag() ); |
---|
2137 | } |
---|
2138 | |
---|
2139 | if( vps->getRepFormatIdxPresentFlag() ) |
---|
2140 | { |
---|
2141 | for( i = vps->getBaseLayerInternalFlag() ? 1 : 0; i < vps->getMaxLayers(); i++ ) |
---|
2142 | { |
---|
2143 | Int numBits = 1; |
---|
2144 | while ((1 << numBits) < (vps->getVpsNumRepFormats())) |
---|
2145 | { |
---|
2146 | numBits++; |
---|
2147 | } |
---|
2148 | WRITE_CODE( vps->getVpsRepFormatIdx(i), numBits, "vps_rep_format_idx[i]" ); |
---|
2149 | } |
---|
2150 | } |
---|
2151 | |
---|
2152 | WRITE_FLAG(vps->getMaxOneActiveRefLayerFlag(), "max_one_active_ref_layer_flag"); |
---|
2153 | |
---|
2154 | WRITE_FLAG(vps->getVpsPocLsbAlignedFlag(), "vps_poc_lsb_aligned_flag"); |
---|
2155 | |
---|
2156 | for( i = 1; i< vps->getMaxLayers(); i++ ) |
---|
2157 | { |
---|
2158 | if( vps->getNumDirectRefLayers( vps->getLayerIdInNuh(i) ) == 0 ) |
---|
2159 | { |
---|
2160 | WRITE_FLAG(vps->getPocLsbNotPresentFlag(i), "poc_lsb_not_present_flag[i]"); |
---|
2161 | } |
---|
2162 | } |
---|
2163 | |
---|
2164 | codeVpsDpbSizeTable(vps); |
---|
2165 | |
---|
2166 | WRITE_UVLC( vps->getDirectDepTypeLen()-2, "direct_dep_type_len_minus2"); |
---|
2167 | |
---|
2168 | WRITE_FLAG(vps->getDefaultDirectDependencyTypeFlag(), "direct_dependency_all_layers_flag"); |
---|
2169 | |
---|
2170 | if( vps->getDefaultDirectDependencyTypeFlag() ) |
---|
2171 | { |
---|
2172 | WRITE_CODE( vps->getDefaultDirectDependencyType(), vps->getDirectDepTypeLen(), "direct_dependency_all_layers_type" ); |
---|
2173 | } |
---|
2174 | else |
---|
2175 | { |
---|
2176 | for( i = vps->getBaseLayerInternalFlag() ? 1 : 2; i < vps->getMaxLayers(); i++ ) |
---|
2177 | { |
---|
2178 | for( j = vps->getBaseLayerInternalFlag() ? 0 : 1; j < i; j++ ) |
---|
2179 | { |
---|
2180 | if (vps->getDirectDependencyFlag(i, j)) |
---|
2181 | { |
---|
2182 | WRITE_CODE( vps->getDirectDependencyType(i, j), vps->getDirectDepTypeLen(), "direct_dependency_type[i][j]" ); |
---|
2183 | } |
---|
2184 | } |
---|
2185 | } |
---|
2186 | } |
---|
2187 | |
---|
2188 | // The value of vps_non_vui_extension_length shall be in the range of 0 to 4096, inclusive. |
---|
2189 | assert( vps->getVpsNonVuiExtLength() >= 0 && vps->getVpsNonVuiExtLength() <= 4096 ); |
---|
2190 | |
---|
2191 | WRITE_UVLC( vps->getVpsNonVuiExtLength(), "vps_non_vui_extension_length" ); |
---|
2192 | |
---|
2193 | for( i = 1; i <= vps->getVpsNonVuiExtLength(); i++ ) |
---|
2194 | { |
---|
2195 | WRITE_CODE(1, 8, "vps_non_vui_extension_data_byte"); |
---|
2196 | } |
---|
2197 | |
---|
2198 | WRITE_FLAG( vps->getVpsVuiPresentFlag() ? 1 : 0, "vps_vui_present_flag" ); |
---|
2199 | |
---|
2200 | if(vps->getVpsVuiPresentFlag()) // Should be conditioned on the value of vps_vui_present_flag |
---|
2201 | { |
---|
2202 | while ( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 ) |
---|
2203 | { |
---|
2204 | WRITE_FLAG(1, "vps_vui_alignment_bit_equal_to_one"); |
---|
2205 | } |
---|
2206 | |
---|
2207 | codeVPSVUI(vps); |
---|
2208 | } |
---|
2209 | } |
---|
2210 | |
---|
2211 | Void TEncCavlc::codeRepFormat( const RepFormat *repFormat ) |
---|
2212 | { |
---|
2213 | WRITE_CODE( repFormat->getPicWidthVpsInLumaSamples (), 16, "pic_width_vps_in_luma_samples" ); |
---|
2214 | WRITE_CODE( repFormat->getPicHeightVpsInLumaSamples(), 16, "pic_height_vps_in_luma_samples" ); |
---|
2215 | WRITE_FLAG( repFormat->getChromaAndBitDepthVpsPresentFlag(), "chroma_and_bit_depth_vps_present_flag" ); |
---|
2216 | |
---|
2217 | if( repFormat->getChromaAndBitDepthVpsPresentFlag() ) |
---|
2218 | { |
---|
2219 | WRITE_CODE( repFormat->getChromaFormatVpsIdc(), 2, "chroma_format_vps_idc" ); |
---|
2220 | |
---|
2221 | if( repFormat->getChromaFormatVpsIdc() == 3 ) |
---|
2222 | { |
---|
2223 | WRITE_FLAG( repFormat->getSeparateColourPlaneVpsFlag(), "separate_colour_plane_vps_flag" ); |
---|
2224 | } |
---|
2225 | |
---|
2226 | assert( repFormat->getBitDepthVpsLuma() >= 8 ); |
---|
2227 | assert( repFormat->getBitDepthVpsChroma() >= 8 ); |
---|
2228 | WRITE_CODE( repFormat->getBitDepthVpsLuma() - 8, 4, "bit_depth_vps_luma_minus8" ); |
---|
2229 | WRITE_CODE( repFormat->getBitDepthVpsChroma() - 8, 4, "bit_depth_vps_chroma_minus8" ); |
---|
2230 | } |
---|
2231 | |
---|
2232 | Window conf = repFormat->getConformanceWindowVps(); |
---|
2233 | |
---|
2234 | WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_vps_flag" ); |
---|
2235 | if (conf.getWindowEnabledFlag()) |
---|
2236 | { |
---|
2237 | WRITE_UVLC( conf.getWindowLeftOffset(), "conf_win_vps_left_offset" ); |
---|
2238 | WRITE_UVLC( conf.getWindowRightOffset(), "conf_win_vps_right_offset" ); |
---|
2239 | WRITE_UVLC( conf.getWindowTopOffset(), "conf_win_vps_top_offset" ); |
---|
2240 | WRITE_UVLC( conf.getWindowBottomOffset(), "conf_win_vps_bottom_offset" ); |
---|
2241 | } |
---|
2242 | } |
---|
2243 | |
---|
2244 | Void TEncCavlc::codeVpsDpbSizeTable( const TComVPS *vps ) |
---|
2245 | { |
---|
2246 | for( Int i = 1; i < vps->getNumOutputLayerSets(); i++ ) |
---|
2247 | { |
---|
2248 | Int layerSetIdxForOutputLayerSet = vps->getOutputLayerSetIdx( i ); |
---|
2249 | |
---|
2250 | WRITE_FLAG( vps->getSubLayerFlagInfoPresentFlag( i ), "sub_layer_flag_info_present_flag[i]"); |
---|
2251 | |
---|
2252 | for(Int j = 0; j <= vps->getMaxSLayersInLayerSetMinus1( layerSetIdxForOutputLayerSet ); j++) |
---|
2253 | { |
---|
2254 | if( j > 0 && vps->getSubLayerFlagInfoPresentFlag(i) ) |
---|
2255 | { |
---|
2256 | WRITE_FLAG( vps->getSubLayerDpbInfoPresentFlag( i, j), "sub_layer_dpb_info_present_flag[i]"); |
---|
2257 | } |
---|
2258 | |
---|
2259 | if( vps->getSubLayerDpbInfoPresentFlag(i, j) ) |
---|
2260 | { |
---|
2261 | for(Int k = 0; k < vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ); k++) |
---|
2262 | { |
---|
2263 | if( vps->getNecessaryLayerFlag(i, k) && (vps->getBaseLayerInternalFlag() || (vps->getLayerSetLayerIdList(layerSetIdxForOutputLayerSet, k) != 0)) ) |
---|
2264 | { |
---|
2265 | WRITE_UVLC( vps->getMaxVpsDecPicBufferingMinus1( i, k, j ), "max_vps_dec_pic_buffering_minus1[i][k][j]" ); |
---|
2266 | } |
---|
2267 | } |
---|
2268 | |
---|
2269 | WRITE_UVLC( vps->getMaxVpsNumReorderPics( i, j), "max_vps_num_reorder_pics[i][j]" ); |
---|
2270 | |
---|
2271 | WRITE_UVLC( vps->getMaxVpsLatencyIncreasePlus1( i, j), "max_vps_latency_increase_plus1[i][j]" ); |
---|
2272 | } |
---|
2273 | } |
---|
2274 | } |
---|
2275 | } |
---|
2276 | |
---|
2277 | Void TEncCavlc::codeVPSVUI( const TComVPS *vps ) |
---|
2278 | { |
---|
2279 | Int i,j; |
---|
2280 | WRITE_FLAG(vps->getCrossLayerPictureTypeAlignFlag(), "cross_layer_pic_type_aligned_flag"); |
---|
2281 | |
---|
2282 | if( !vps->getCrossLayerPictureTypeAlignFlag() ) |
---|
2283 | { |
---|
2284 | WRITE_FLAG(vps->getCrossLayerIrapAlignFlag(), "cross_layer_irap_aligned_flag"); |
---|
2285 | } |
---|
2286 | else |
---|
2287 | { |
---|
2288 | // When not present, the value of cross_layer_irap_aligned_flag is inferred to be equal to vps_vui_present_flag, |
---|
2289 | assert( vps->getCrossLayerIrapAlignFlag() == true ); |
---|
2290 | } |
---|
2291 | |
---|
2292 | if( vps->getCrossLayerIrapAlignFlag() ) |
---|
2293 | { |
---|
2294 | WRITE_FLAG(vps->getCrossLayerAlignedIdrOnlyFlag(), "all_layers_idr_aligned_flag"); |
---|
2295 | } |
---|
2296 | |
---|
2297 | WRITE_FLAG( vps->getBitRatePresentVpsFlag(), "bit_rate_present_vps_flag" ); |
---|
2298 | WRITE_FLAG( vps->getPicRatePresentVpsFlag(), "pic_rate_present_vps_flag" ); |
---|
2299 | |
---|
2300 | if( vps->getBitRatePresentVpsFlag() || vps->getPicRatePresentVpsFlag() ) |
---|
2301 | { |
---|
2302 | for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getNumLayerSets(); i++ ) |
---|
2303 | { |
---|
2304 | for( j = 0; j <= vps->getMaxSLayersInLayerSetMinus1(i); j++ ) |
---|
2305 | { |
---|
2306 | if( vps->getBitRatePresentVpsFlag() ) |
---|
2307 | { |
---|
2308 | WRITE_FLAG( vps->getBitRatePresentFlag( i, j), "bit_rate_present_flag[i][j]" ); |
---|
2309 | } |
---|
2310 | |
---|
2311 | if( vps->getPicRatePresentVpsFlag() ) |
---|
2312 | { |
---|
2313 | WRITE_FLAG( vps->getPicRatePresentFlag( i, j), "pic_rate_present_flag[i][j]" ); |
---|
2314 | } |
---|
2315 | |
---|
2316 | if( vps->getBitRatePresentFlag(i, j) ) |
---|
2317 | { |
---|
2318 | WRITE_CODE( vps->getAvgBitRate( i, j ), 16, "avg_bit_rate[i][j]" ); |
---|
2319 | WRITE_CODE( vps->getAvgBitRate( i, j ), 16, "max_bit_rate[i][j]" ); |
---|
2320 | } |
---|
2321 | |
---|
2322 | if( vps->getPicRatePresentFlag(i, j) ) |
---|
2323 | { |
---|
2324 | WRITE_CODE( vps->getConstPicRateIdc( i, j), 2 , "constant_pic_rate_idc[i][j]" ); |
---|
2325 | WRITE_CODE( vps->getConstPicRateIdc( i, j), 16, "avg_pic_rate[i][j]" ); |
---|
2326 | } |
---|
2327 | } |
---|
2328 | } |
---|
2329 | } |
---|
2330 | |
---|
2331 | WRITE_FLAG( vps->getVideoSigPresentVpsFlag(), "video_signal_info_idx_present_flag" ); |
---|
2332 | if (vps->getVideoSigPresentVpsFlag()) |
---|
2333 | { |
---|
2334 | WRITE_CODE(vps->getNumVideoSignalInfo()-1, 4, "vps_num_video_signal_info_minus1" ); |
---|
2335 | } |
---|
2336 | |
---|
2337 | for(i = 0; i < vps->getNumVideoSignalInfo(); i++) |
---|
2338 | { |
---|
2339 | WRITE_CODE(vps->getVideoVPSFormat(i), 3, "video_vps_format" ); |
---|
2340 | WRITE_FLAG(vps->getVideoFullRangeVpsFlag(i), "video_full_range_vps_flag" ); |
---|
2341 | WRITE_CODE(vps->getColorPrimaries(i), 8, "color_primaries_vps" ); |
---|
2342 | WRITE_CODE(vps->getTransCharacter(i), 8, "transfer_characteristics_vps" ); |
---|
2343 | WRITE_CODE(vps->getMaxtrixCoeff(i), 8, "matrix_coeffs_vps" ); |
---|
2344 | } |
---|
2345 | |
---|
2346 | if( vps->getVideoSigPresentVpsFlag() && vps->getNumVideoSignalInfo() > 1 ) |
---|
2347 | { |
---|
2348 | for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++ ) |
---|
2349 | { |
---|
2350 | WRITE_CODE( vps->getVideoSignalInfoIdx(i), 4, "vps_video_signal_info_idx" ); |
---|
2351 | } |
---|
2352 | } |
---|
2353 | |
---|
2354 | WRITE_FLAG( vps->getTilesNotInUseFlag() ? 1 : 0 , "tiles_not_in_use_flag" ); |
---|
2355 | |
---|
2356 | if( !vps->getTilesNotInUseFlag() ) |
---|
2357 | { |
---|
2358 | for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++ ) |
---|
2359 | { |
---|
2360 | WRITE_FLAG( vps->getTilesInUseFlag(i) ? 1 : 0 , "tiles_in_use_flag[ i ]" ); |
---|
2361 | |
---|
2362 | if( vps->getTilesInUseFlag(i) ) |
---|
2363 | { |
---|
2364 | WRITE_FLAG( vps->getLoopFilterNotAcrossTilesFlag(i) ? 1 : 0 , "loop_filter_not_across_tiles_flag[ i ]" ); |
---|
2365 | } |
---|
2366 | } |
---|
2367 | |
---|
2368 | for( i = vps->getBaseLayerInternalFlag() ? 1 : 2; i < vps->getMaxLayers(); i++ ) |
---|
2369 | { |
---|
2370 | for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++) |
---|
2371 | { |
---|
2372 | UInt layerIdx = vps->getLayerIdxInVps(vps->getRefLayerId(vps->getLayerIdInNuh(i), j)); |
---|
2373 | |
---|
2374 | if( vps->getTilesInUseFlag(i) && vps->getTilesInUseFlag(layerIdx) ) |
---|
2375 | { |
---|
2376 | WRITE_FLAG( vps->getTileBoundariesAlignedFlag(i,j) ? 1 : 0 , "tile_boundaries_aligned_flag[i][j]" ); |
---|
2377 | } |
---|
2378 | } |
---|
2379 | } |
---|
2380 | } |
---|
2381 | |
---|
2382 | WRITE_FLAG( vps->getWppNotInUseFlag() ? 1 : 0 , "wpp_not_in_use_flag" ); |
---|
2383 | |
---|
2384 | if( !vps->getWppNotInUseFlag() ) |
---|
2385 | { |
---|
2386 | for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++ ) |
---|
2387 | { |
---|
2388 | WRITE_FLAG( vps->getWppInUseFlag(i) ? 1 : 0 , "wpp_in_use_flag[ i ]" ); |
---|
2389 | } |
---|
2390 | } |
---|
2391 | |
---|
2392 | WRITE_FLAG(vps->getSingleLayerForNonIrapFlag(), "single_layer_for_non_irap_flag" ); |
---|
2393 | |
---|
2394 | // When single_layer_for_non_irap_flag is equal to 0, higher_layer_irap_skip_flag shall be equal to 0 |
---|
2395 | if( !vps->getSingleLayerForNonIrapFlag() ) |
---|
2396 | { |
---|
2397 | assert( !vps->getHigherLayerIrapSkipFlag() ); |
---|
2398 | } |
---|
2399 | |
---|
2400 | WRITE_FLAG(vps->getHigherLayerIrapSkipFlag(), "higher_layer_irap_skip_flag" ); |
---|
2401 | |
---|
2402 | WRITE_FLAG( vps->getIlpRestrictedRefLayersFlag() ? 1 : 0 , "ilp_restricted_ref_layers_flag" ); |
---|
2403 | if( vps->getIlpRestrictedRefLayersFlag()) |
---|
2404 | { |
---|
2405 | for(i = 1; i < vps->getMaxLayers(); i++) |
---|
2406 | { |
---|
2407 | for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++) |
---|
2408 | { |
---|
2409 | if (vps->getBaseLayerInternalFlag() || vps->getRefLayerId(vps->getLayerIdInNuh(i), j)) |
---|
2410 | { |
---|
2411 | WRITE_UVLC(vps->getMinSpatialSegmentOffsetPlus1( i, j), "min_spatial_segment_offset_plus1[i][j]"); |
---|
2412 | |
---|
2413 | if( vps->getMinSpatialSegmentOffsetPlus1(i,j ) > 0 ) |
---|
2414 | { |
---|
2415 | WRITE_FLAG( vps->getCtuBasedOffsetEnabledFlag( i, j) ? 1 : 0 , "ctu_based_offset_enabled_flag[i][j]" ); |
---|
2416 | |
---|
2417 | if(vps->getCtuBasedOffsetEnabledFlag(i,j)) |
---|
2418 | { |
---|
2419 | WRITE_UVLC(vps->getMinHorizontalCtuOffsetPlus1( i, j), "min_horizontal_ctu_offset_plus1[i][j]"); |
---|
2420 | } |
---|
2421 | } |
---|
2422 | } |
---|
2423 | } |
---|
2424 | } |
---|
2425 | } |
---|
2426 | |
---|
2427 | #if O0164_MULTI_LAYER_HRD |
---|
2428 | WRITE_FLAG(vps->getVpsVuiBspHrdPresentFlag(), "vps_vui_bsp_hrd_present_flag" ); |
---|
2429 | |
---|
2430 | if( vps->getVpsVuiBspHrdPresentFlag() ) |
---|
2431 | { |
---|
2432 | codeVpsVuiBspHrdParams(vps); |
---|
2433 | } |
---|
2434 | #endif |
---|
2435 | |
---|
2436 | for( i = 1; i < vps->getMaxLayers(); i++ ) |
---|
2437 | { |
---|
2438 | if( vps->getNumRefLayers(vps->getLayerIdInNuh(i)) == 0 ) |
---|
2439 | { |
---|
2440 | WRITE_FLAG(vps->getBaseLayerPSCompatibilityFlag(i), "base_layer_parameter_set_compatibility_flag" ); |
---|
2441 | } |
---|
2442 | } |
---|
2443 | } |
---|
2444 | |
---|
2445 | Void TEncCavlc::codeSPSExtension( const TComSPS* pcSPS ) |
---|
2446 | { |
---|
2447 | // more syntax elements to be written here |
---|
2448 | |
---|
2449 | // Vertical MV component restriction is not used in SHVC CTC |
---|
2450 | WRITE_FLAG( 0, "inter_view_mv_vert_constraint_flag" ); |
---|
2451 | } |
---|
2452 | |
---|
2453 | Void TEncCavlc::codeVpsVuiBspHrdParams( const TComVPS* vps ) |
---|
2454 | { |
---|
2455 | WRITE_UVLC( vps->getVpsNumAddHrdParams(), "vps_num_add_hrd_params" ); |
---|
2456 | |
---|
2457 | for( Int i = vps->getNumHrdParameters(), j = 0; i < vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams(); i++, j++ ) // j = i - vps->getNumHrdParameters() |
---|
2458 | { |
---|
2459 | if( i > 0 ) |
---|
2460 | { |
---|
2461 | WRITE_FLAG( vps->getCprmsAddPresentFlag(j), "cprms_add_present_flag[i]" ); |
---|
2462 | } |
---|
2463 | |
---|
2464 | WRITE_UVLC( vps->getNumSubLayerHrdMinus1(j), "num_sub_layer_hrd_minus1[i]" ); |
---|
2465 | |
---|
2466 | codeHrdParameters(vps->getBspHrd(j), i == 0 ? true : vps->getCprmsAddPresentFlag(j), vps->getNumSubLayerHrdMinus1(j)); |
---|
2467 | } |
---|
2468 | |
---|
2469 | if( vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams() > 0 ) |
---|
2470 | { |
---|
2471 | for( Int h = 1; h < vps->getNumOutputLayerSets(); h++ ) |
---|
2472 | { |
---|
2473 | Int lsIdx = vps->getOutputLayerSetIdx( h ); |
---|
2474 | |
---|
2475 | WRITE_UVLC( vps->getNumSignalledPartitioningSchemes(h), "num_signalled_partitioning_schemes[h]"); |
---|
2476 | |
---|
2477 | for( Int j = 1; j < vps->getNumSignalledPartitioningSchemes(h) + 1; j++ ) |
---|
2478 | { |
---|
2479 | WRITE_UVLC( vps->getNumPartitionsInSchemeMinus1(h, j), "num_partitions_in_scheme_minus1[h][j]" ); |
---|
2480 | |
---|
2481 | for( Int k = 0; k <= vps->getNumPartitionsInSchemeMinus1(h, j); k++ ) |
---|
2482 | { |
---|
2483 | for( Int r = 0; r < vps->getNumLayersInIdList( lsIdx ); r++ ) |
---|
2484 | { |
---|
2485 | WRITE_FLAG( vps->getLayerIncludedInPartitionFlag(h, j, k, r), "layer_included_in_partition_flag[h][j][k][r]" ); |
---|
2486 | } |
---|
2487 | } |
---|
2488 | } |
---|
2489 | |
---|
2490 | for( Int i = 0; i < vps->getNumSignalledPartitioningSchemes(h) + 1; i++ ) |
---|
2491 | { |
---|
2492 | for( Int t = 0; t <= vps->getMaxSLayersInLayerSetMinus1(lsIdx); t++ ) |
---|
2493 | { |
---|
2494 | WRITE_UVLC(vps->getNumBspSchedulesMinus1(h, i, t), "num_bsp_schedules_minus1[h][i][t]"); |
---|
2495 | |
---|
2496 | for( Int j = 0; j <= vps->getNumBspSchedulesMinus1(h, i, t); j++ ) |
---|
2497 | { |
---|
2498 | for( Int k = 0; k <= vps->getNumPartitionsInSchemeMinus1(h, i); k++ ) |
---|
2499 | { |
---|
2500 | if( vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams() > 1 ) |
---|
2501 | { |
---|
2502 | Int numBits = 1; |
---|
2503 | while ((1 << numBits) < (vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams())) |
---|
2504 | { |
---|
2505 | numBits++; |
---|
2506 | } |
---|
2507 | |
---|
2508 | WRITE_CODE(vps->getBspHrdIdx(h, i, t, j, k), numBits, "bsp_hrd_idx[h][i][t][j][k]"); |
---|
2509 | } |
---|
2510 | |
---|
2511 | WRITE_UVLC( vps->getBspSchedIdx(h, i, t, j, k), "bsp_sched_idx[h][i][t][j][k]"); |
---|
2512 | } |
---|
2513 | } |
---|
2514 | } |
---|
2515 | } |
---|
2516 | } |
---|
2517 | } |
---|
2518 | } |
---|
2519 | |
---|
2520 | |
---|
2521 | #if CGS_3D_ASYMLUT |
---|
2522 | Void TEncCavlc::xCode3DAsymLUT( TCom3DAsymLUT * pc3DAsymLUT ) |
---|
2523 | { |
---|
2524 | UInt uiNumRefLayers = ( UInt )pc3DAsymLUT->getRefLayerNum(); |
---|
2525 | WRITE_UVLC( uiNumRefLayers - 1 , "num_cm_ref_layers_minus1" ); |
---|
2526 | for( UInt i = 0 ; i < uiNumRefLayers ; i++ ) |
---|
2527 | { |
---|
2528 | WRITE_CODE( pc3DAsymLUT->getRefLayerId( i ) , 6 , "cm_ref_layer_id" ); |
---|
2529 | } |
---|
2530 | |
---|
2531 | assert( pc3DAsymLUT->getCurOctantDepth() < 4 ); |
---|
2532 | WRITE_CODE( pc3DAsymLUT->getCurOctantDepth() , 2 , "cm_octant_depth" ); |
---|
2533 | assert( pc3DAsymLUT->getCurYPartNumLog2() < 4 ); |
---|
2534 | WRITE_CODE( pc3DAsymLUT->getCurYPartNumLog2() , 2 , "cm_y_part_num_log2" ); |
---|
2535 | assert( pc3DAsymLUT->getInputBitDepthY() < 16 ); |
---|
2536 | |
---|
2537 | WRITE_UVLC( pc3DAsymLUT->getInputBitDepthY() - 8 , "cm_input_luma_bit_depth_minus8" ); |
---|
2538 | WRITE_UVLC( pc3DAsymLUT->getInputBitDepthC() - 8 , "cm_input_chroma_bit_depth_minus8" ); |
---|
2539 | WRITE_UVLC( pc3DAsymLUT->getOutputBitDepthY() - 8 , "cm_output_luma_bit_depth_minus8" ); |
---|
2540 | WRITE_UVLC( pc3DAsymLUT->getOutputBitDepthC() - 8 , "cm_output_chroma_bit_depth_minus8" ); |
---|
2541 | |
---|
2542 | assert( pc3DAsymLUT->getResQuantBit() < 4 ); |
---|
2543 | WRITE_CODE( pc3DAsymLUT->getResQuantBit() , 2 , "cm_res_quant_bit" ); |
---|
2544 | |
---|
2545 | xFindDeltaBits( pc3DAsymLUT ); |
---|
2546 | assert(pc3DAsymLUT->getDeltaBits() >=1 && pc3DAsymLUT->getDeltaBits() <= 4); |
---|
2547 | WRITE_CODE( pc3DAsymLUT->getDeltaBits()-1 , 2 , "cm_delta_bit" ); |
---|
2548 | |
---|
2549 | if( pc3DAsymLUT->getCurOctantDepth() == 1 ) |
---|
2550 | { |
---|
2551 | WRITE_SVLC( pc3DAsymLUT->getAdaptChromaThresholdU() - ( 1 << ( pc3DAsymLUT->getInputBitDepthC() - 1 ) ) , "cm_adapt_threshold_u_delta" ); |
---|
2552 | WRITE_SVLC( pc3DAsymLUT->getAdaptChromaThresholdV() - ( 1 << ( pc3DAsymLUT->getInputBitDepthC() - 1 ) ) , "cm_adapt_threshold_v_delta" ); |
---|
2553 | } |
---|
2554 | |
---|
2555 | #if R0164_CGS_LUT_BUGFIX_CHECK |
---|
2556 | pc3DAsymLUT->xInitCuboids(); |
---|
2557 | #endif |
---|
2558 | xCode3DAsymLUTOctant( pc3DAsymLUT , 0 , 0 , 0 , 0 , 1 << pc3DAsymLUT->getCurOctantDepth() ); |
---|
2559 | #if R0164_CGS_LUT_BUGFIX_CHECK |
---|
2560 | xCuboidsFilledCheck( false ); |
---|
2561 | pc3DAsymLUT->display( false ); |
---|
2562 | #endif |
---|
2563 | } |
---|
2564 | |
---|
2565 | Void TEncCavlc::xCode3DAsymLUTOctant( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength ) |
---|
2566 | { |
---|
2567 | UInt uiOctantSplit = nDepth < pc3DAsymLUT->getCurOctantDepth(); |
---|
2568 | if( nDepth < pc3DAsymLUT->getCurOctantDepth() ) |
---|
2569 | WRITE_FLAG( uiOctantSplit , "split_octant_flag" ); |
---|
2570 | Int nYPartNum = 1 << pc3DAsymLUT->getCurYPartNumLog2(); |
---|
2571 | if( uiOctantSplit ) |
---|
2572 | { |
---|
2573 | Int nHalfLength = nLength >> 1; |
---|
2574 | for( Int l = 0 ; l < 2 ; l++ ) |
---|
2575 | { |
---|
2576 | for( Int m = 0 ; m < 2 ; m++ ) |
---|
2577 | { |
---|
2578 | for( Int n = 0 ; n < 2 ; n++ ) |
---|
2579 | { |
---|
2580 | xCode3DAsymLUTOctant( pc3DAsymLUT , nDepth + 1 , yIdx + l * nHalfLength * nYPartNum , uIdx + m * nHalfLength , vIdx + n * nHalfLength , nHalfLength ); |
---|
2581 | } |
---|
2582 | } |
---|
2583 | } |
---|
2584 | } |
---|
2585 | else |
---|
2586 | { |
---|
2587 | Int nFLCbits = pc3DAsymLUT->getMappingShift()-pc3DAsymLUT->getResQuantBit()-pc3DAsymLUT->getDeltaBits() ; |
---|
2588 | nFLCbits = nFLCbits >= 0 ? nFLCbits : 0; |
---|
2589 | |
---|
2590 | for( Int l = 0 ; l < nYPartNum ; l++ ) |
---|
2591 | { |
---|
2592 | Int shift = pc3DAsymLUT->getCurOctantDepth() - nDepth ; |
---|
2593 | |
---|
2594 | for( Int nVertexIdx = 0 ; nVertexIdx < 4 ; nVertexIdx++ ) |
---|
2595 | { |
---|
2596 | SYUVP sRes = pc3DAsymLUT->getCuboidVertexResTree( yIdx + (l<<shift) , uIdx , vIdx , nVertexIdx ); |
---|
2597 | |
---|
2598 | UInt uiCodeVertex = sRes.Y != 0 || sRes.U != 0 || sRes.V != 0; |
---|
2599 | WRITE_FLAG( uiCodeVertex , "coded_vertex_flag" ); |
---|
2600 | if( uiCodeVertex ) |
---|
2601 | { |
---|
2602 | xWriteParam( sRes.Y, nFLCbits ); |
---|
2603 | xWriteParam( sRes.U, nFLCbits ); |
---|
2604 | xWriteParam( sRes.V, nFLCbits ); |
---|
2605 | } |
---|
2606 | } |
---|
2607 | #if R0164_CGS_LUT_BUGFIX_CHECK |
---|
2608 | pc3DAsymLUT->xSetExplicit( yIdx + (l<<shift) , uIdx , vIdx ); |
---|
2609 | #endif |
---|
2610 | } |
---|
2611 | } |
---|
2612 | } |
---|
2613 | |
---|
2614 | Void TEncCavlc::xWriteParam( Int param, UInt rParam) |
---|
2615 | { |
---|
2616 | Int codeNumber = abs(param); |
---|
2617 | WRITE_UVLC(codeNumber / (1 << rParam), "quotient"); |
---|
2618 | WRITE_CODE((codeNumber % (1 << rParam)), rParam, "remainder"); |
---|
2619 | if (abs(param)) |
---|
2620 | WRITE_FLAG( param <0, "sign"); |
---|
2621 | } |
---|
2622 | |
---|
2623 | Void TEncCavlc::xFindDeltaBits( TCom3DAsymLUT * pc3DAsymLUT ) |
---|
2624 | { |
---|
2625 | Int nDeltaBits; |
---|
2626 | Int nBestDeltaBits = -1; |
---|
2627 | Int nBestBits = MAX_INT; |
---|
2628 | for( nDeltaBits = 1; nDeltaBits < 5; nDeltaBits++) |
---|
2629 | { |
---|
2630 | Int nCurBits = 0; |
---|
2631 | xTally3DAsymLUTOctantBits( pc3DAsymLUT , 0 , 0 , 0 , 0 , 1 << pc3DAsymLUT->getCurOctantDepth(), nDeltaBits, nCurBits ); |
---|
2632 | //printf("%d, %d, %d\n", nDeltaBits, nCurBits, nBestBits); |
---|
2633 | if(nCurBits < nBestBits) |
---|
2634 | { |
---|
2635 | nBestDeltaBits = nDeltaBits; |
---|
2636 | nBestBits = nCurBits; |
---|
2637 | } |
---|
2638 | } |
---|
2639 | |
---|
2640 | assert(nBestDeltaBits >=1 && nBestDeltaBits < 5); |
---|
2641 | pc3DAsymLUT->setDeltaBits(nBestDeltaBits); |
---|
2642 | } |
---|
2643 | |
---|
2644 | Void TEncCavlc::xTally3DAsymLUTOctantBits( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength, Int nDeltaBits, Int& nCurBits ) |
---|
2645 | { |
---|
2646 | UInt uiOctantSplit = nDepth < pc3DAsymLUT->getCurOctantDepth(); |
---|
2647 | if( nDepth < pc3DAsymLUT->getCurOctantDepth() ) |
---|
2648 | nCurBits ++; |
---|
2649 | Int nYPartNum = 1 << pc3DAsymLUT->getCurYPartNumLog2(); |
---|
2650 | if( uiOctantSplit ) |
---|
2651 | { |
---|
2652 | Int nHalfLength = nLength >> 1; |
---|
2653 | for( Int l = 0 ; l < 2 ; l++ ) |
---|
2654 | { |
---|
2655 | for( Int m = 0 ; m < 2 ; m++ ) |
---|
2656 | { |
---|
2657 | for( Int n = 0 ; n < 2 ; n++ ) |
---|
2658 | { |
---|
2659 | xTally3DAsymLUTOctantBits( pc3DAsymLUT , nDepth + 1 , yIdx + l * nHalfLength * nYPartNum , uIdx + m * nHalfLength , vIdx + n * nHalfLength , nHalfLength, nDeltaBits, nCurBits ); |
---|
2660 | } |
---|
2661 | } |
---|
2662 | } |
---|
2663 | } |
---|
2664 | else |
---|
2665 | { |
---|
2666 | Int nFLCbits = pc3DAsymLUT->getMappingShift()-pc3DAsymLUT->getResQuantBit()-nDeltaBits ; |
---|
2667 | nFLCbits = nFLCbits >= 0 ? nFLCbits:0; |
---|
2668 | //printf("nFLCbits = %d\n", nFLCbits); |
---|
2669 | |
---|
2670 | for( Int l = 0 ; l < nYPartNum ; l++ ) |
---|
2671 | { |
---|
2672 | for( Int nVertexIdx = 0 ; nVertexIdx < 4 ; nVertexIdx++ ) |
---|
2673 | { |
---|
2674 | SYUVP sRes = pc3DAsymLUT->getCuboidVertexResTree( yIdx + l , uIdx , vIdx , nVertexIdx ); |
---|
2675 | |
---|
2676 | UInt uiCodeVertex = sRes.Y != 0 || sRes.U != 0 || sRes.V != 0; |
---|
2677 | nCurBits++; |
---|
2678 | if( uiCodeVertex ) |
---|
2679 | { |
---|
2680 | xCheckParamBits( sRes.Y, nFLCbits, nCurBits ); |
---|
2681 | xCheckParamBits( sRes.U, nFLCbits, nCurBits ); |
---|
2682 | xCheckParamBits( sRes.V, nFLCbits, nCurBits ); |
---|
2683 | } |
---|
2684 | } |
---|
2685 | } |
---|
2686 | } |
---|
2687 | } |
---|
2688 | |
---|
2689 | Void TEncCavlc::xCheckParamBits( Int param, Int rParam, Int &nBits) |
---|
2690 | { |
---|
2691 | Int codeNumber = abs(param); |
---|
2692 | Int codeQuotient = codeNumber >> rParam; |
---|
2693 | Int qLen; |
---|
2694 | |
---|
2695 | UInt uiLength = 1; |
---|
2696 | UInt uiTemp = ++codeQuotient; |
---|
2697 | |
---|
2698 | while( 1 != uiTemp ) |
---|
2699 | { |
---|
2700 | uiTemp >>= 1; |
---|
2701 | uiLength += 2; |
---|
2702 | } |
---|
2703 | |
---|
2704 | qLen = (uiLength >> 1); |
---|
2705 | qLen += ((uiLength+1) >> 1); |
---|
2706 | |
---|
2707 | nBits += qLen; |
---|
2708 | nBits += rParam; |
---|
2709 | if (abs(param)) |
---|
2710 | nBits++; |
---|
2711 | } |
---|
2712 | #endif //CGS_3D_ASYMLUT |
---|
2713 | |
---|
2714 | #endif //SVC_EXTENSION |
---|
2715 | //! \} |
---|