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) 2010-2011, 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 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 | |
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35 | |
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36 | /** \file TDecCAVLC.h |
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37 | \brief CAVLC decoder class (header) |
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38 | */ |
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39 | |
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40 | #ifndef __TDECCAVLC__ |
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41 | #define __TDECCAVLC__ |
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42 | |
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43 | #if _MSC_VER > 1000 |
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44 | #pragma once |
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45 | #endif // _MSC_VER > 1000 |
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46 | |
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47 | #include "TDecEntropy.h" |
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48 | |
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49 | // ==================================================================================================================== |
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50 | // Class definition |
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51 | // ==================================================================================================================== |
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52 | |
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53 | class SEImessages; |
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54 | |
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55 | /// CAVLC decoder class |
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56 | class TDecCavlc : public TDecEntropyIf |
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57 | { |
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58 | public: |
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59 | TDecCavlc(); |
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60 | virtual ~TDecCavlc(); |
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61 | |
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62 | protected: |
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63 | Void xReadCode (UInt uiLength, UInt& ruiCode); |
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64 | Void xReadUvlc (UInt& ruiVal); |
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65 | Void xReadSvlc (Int& riVal); |
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66 | Void xReadFlag (UInt& ruiCode); |
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67 | Void xReadEpExGolomb ( UInt& ruiSymbol, UInt uiCount ); |
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68 | Void xReadExGolombLevel ( UInt& ruiSymbol ); |
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69 | Void xReadUnaryMaxSymbol ( UInt& ruiSymbol, UInt uiMaxSymbol ); |
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70 | |
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71 | UInt xGetBit (); |
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72 | Int xReadVlc ( Int n ); |
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73 | #if CAVLC_COEF_LRG_BLK |
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74 | Void xParseCoeff ( TCoeff* scoeff, Int iTableNumber, Int blSize); |
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75 | #else |
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76 | Void xParseCoeff4x4 ( TCoeff* scoeff, Int iTableNumber ); |
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77 | Void xParseCoeff8x8 ( TCoeff* scoeff, Int iTableNumber ); |
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78 | #endif |
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79 | #if QC_MOD_LCEC |
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80 | Void xRunLevelIndInv (LastCoeffStruct *combo, Int maxrun, UInt lrg1Pos, UInt cn); |
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81 | #if RUNLEVEL_TABLE_CUT |
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82 | Void xRunLevelIndInterInv(LastCoeffStruct *combo, Int maxrun, UInt cn); |
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83 | #endif |
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84 | #endif |
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85 | |
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86 | private: |
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87 | TComBitstream* m_pcBitstream; |
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88 | UInt m_uiCoeffCost; |
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89 | Bool m_bRunLengthCoding; |
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90 | UInt m_uiRun; |
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91 | Bool m_bAlfCtrl; |
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92 | UInt m_uiMaxAlfCtrlDepth; |
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93 | UInt m_uiLPTableD4[3][32]; |
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94 | #if !CAVLC_COEF_LRG_BLK |
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95 | UInt m_uiLPTableD8[10][128]; |
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96 | #endif |
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97 | UInt m_uiLastPosVlcIndex[10]; |
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98 | |
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99 | #if LCEC_INTRA_MODE |
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100 | #if MTK_DCM_MPM |
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101 | UInt m_uiIntraModeTableD17[2][16]; |
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102 | UInt m_uiIntraModeTableD34[2][33]; |
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103 | #else |
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104 | UInt m_uiIntraModeTableD17[16]; |
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105 | UInt m_uiIntraModeTableD34[33]; |
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106 | #endif |
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107 | #endif |
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108 | #if QC_LCEC_INTER_MODE |
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109 | UInt m_uiSplitTableD[4][7]; |
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110 | #endif |
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111 | #if CAVLC_RQT_CBP |
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112 | UInt m_uiCBP_YUV_TableD[4][8]; |
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113 | UInt m_uiCBP_YS_TableD[2][4]; |
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114 | UInt m_uiCBP_YCS_TableD[2][8]; |
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115 | UInt m_uiCBP_4Y_TableD[2][15]; |
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116 | UInt m_uiCBP_4Y_VlcIdx; |
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117 | #else |
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118 | UInt m_uiBlkCBPTableD[2][15]; |
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119 | UInt m_uiCBPTableD[2][8]; |
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120 | UInt m_uiCbpVlcIdx[2]; |
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121 | UInt m_uiBlkCbpVlcIdx; |
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122 | #endif |
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123 | |
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124 | |
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125 | |
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126 | Int m_iRefFrame0[1000]; |
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127 | Int m_iRefFrame1[1000]; |
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128 | Bool m_bMVres0[1000]; |
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129 | Bool m_bMVres1[1000]; |
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130 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
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131 | UInt m_uiMI1TableD[9]; |
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132 | #else |
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133 | UInt m_uiMI1TableD[8]; |
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134 | #endif |
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135 | UInt m_uiMI2TableD[15]; |
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136 | UInt m_uiMITableVlcIdx; |
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137 | |
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138 | #if CAVLC_COUNTER_ADAPT |
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139 | #if CAVLC_RQT_CBP |
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140 | UChar m_ucCBP_YUV_TableCounter[4][4]; |
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141 | UChar m_ucCBP_4Y_TableCounter[2][2]; |
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142 | UChar m_ucCBP_YS_TableCounter[2][3]; |
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143 | UChar m_ucCBP_YCS_TableCounter[2][4]; |
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144 | UChar m_ucCBP_YUV_TableCounterSum[4]; |
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145 | UChar m_ucCBP_4Y_TableCounterSum[2]; |
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146 | UChar m_ucCBP_YS_TableCounterSum[2]; |
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147 | UChar m_ucCBP_YCS_TableCounterSum[2]; |
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148 | #else |
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149 | UChar m_ucCBFTableCounter [2][4]; |
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150 | UChar m_ucBlkCBPTableCounter [2][2]; |
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151 | UChar m_ucCBFTableCounterSum[2]; |
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152 | UChar m_ucBlkCBPTableCounterSum[2]; |
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153 | #endif |
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154 | |
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155 | UChar m_ucMI1TableCounter[4]; |
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156 | UChar m_ucSplitTableCounter[4][4]; |
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157 | UChar m_ucSplitTableCounterSum[4]; |
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158 | UChar m_ucMI1TableCounterSum; |
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159 | #endif |
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160 | |
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161 | Int** m_aaiTempScale; |
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162 | Int** m_aaiTempOffset; |
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163 | Int** m_aaiTempPdmScaleNomDelta; |
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164 | Int** m_aaiTempPdmOffset; |
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165 | |
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166 | public: |
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167 | Void resetEntropy ( TComSlice* pcSlice ); |
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168 | Void setBitstream ( TComBitstream* p ) { m_pcBitstream = p; } |
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169 | Void setAlfCtrl ( Bool bAlfCtrl ) { m_bAlfCtrl = bAlfCtrl; } |
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170 | Void setMaxAlfCtrlDepth ( UInt uiMaxAlfCtrlDepth ) { m_uiMaxAlfCtrlDepth = uiMaxAlfCtrlDepth; } |
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171 | |
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172 | Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ); |
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173 | Void parseQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ); |
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174 | Void parseQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ); |
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175 | Void parseAlfFlag ( UInt& ruiVal ); |
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176 | Void parseAlfUvlc ( UInt& ruiVal ); |
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177 | Void parseAlfSvlc ( Int& riVal ); |
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178 | #if MTK_SAO |
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179 | Void parseAoFlag ( UInt& ruiVal ); |
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180 | Void parseAoUvlc ( UInt& ruiVal ); |
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181 | Void parseAoSvlc ( Int& riVal ); |
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182 | #endif |
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183 | |
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184 | Void parseNalUnitHeader ( NalUnitType& eNalUnitType, UInt& TemporalId, Bool& bOutputFlag ); |
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185 | |
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186 | Void parseSPS ( TComSPS* pcSPS ); |
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187 | Void parsePPS ( TComPPS* pcPPS); |
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188 | void parseSEI(SEImessages&); |
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189 | Void parseSliceHeader ( TComSlice*& rpcSlice ); |
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190 | Void parseTerminatingBit ( UInt& ruiBit ); |
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191 | |
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192 | Void parseMVPIdx ( TComDataCU* pcCU, Int& riMVPIdx, Int iMVPNum, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ); |
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193 | |
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194 | Void parseSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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195 | Void parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ); |
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196 | Void parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ); |
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197 | #if HHI_INTER_VIEW_MOTION_PRED || HHI_MPI || POZNAN_EIVD |
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198 | Void parseMergeIndexMV ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ); |
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199 | #endif |
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200 | Void parseResPredFlag ( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ); |
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201 | Void parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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202 | Void parsePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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203 | Void parsePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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204 | |
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205 | Void parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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206 | |
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207 | Void parseIntraDirChroma ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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208 | |
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209 | Void parseInterDir ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ); |
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210 | Void parseRefFrmIdx ( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ); |
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211 | Void parseMvd ( TComDataCU* pcCU, UInt uiAbsPartAddr,UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ); |
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212 | |
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213 | Void parseDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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214 | #if CAVLC_RQT_CBP |
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215 | Void parseCbfTrdiv ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiTrDepth, UInt uiDepth, UInt& uiSubdiv ); |
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216 | UInt xGetFlagPattern ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiSubdiv ); |
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217 | #endif |
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218 | Void parseCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ); |
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219 | Void parseBlockCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth, UInt uiQPartNum ); |
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220 | Void parseCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ); |
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221 | |
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222 | Void parseAlfCtrlDepth ( UInt& ruiAlfCtrlDepth ); |
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223 | Void parseAlfCtrlFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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224 | #if TSB_ALF_HEADER |
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225 | Void parseAlfFlagNum ( UInt& ruiVal, UInt minValue, UInt depth ); |
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226 | Void parseAlfCtrlFlag ( UInt &ruiAlfCtrlFlag ); |
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227 | #endif |
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228 | |
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229 | #ifdef WEIGHT_PRED |
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230 | Void parseWeightPredTable ( TComSlice* pcSlice ); |
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231 | #endif |
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232 | |
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233 | Void parseViewIdx (Int& riViewIdx) ; |
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234 | }; |
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235 | #endif // !defined(AFX_TDECCAVLC_H__9732DD64_59B0_4A41_B29E_1A5B18821EAD__INCLUDED_) |
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236 | |
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