1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2012, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** \file TDecCAVLC.cpp |
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35 | \brief CAVLC decoder class |
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36 | */ |
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37 | |
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38 | #include "TDecCAVLC.h" |
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39 | #include "SEIread.h" |
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40 | #include "TDecSlice.h" |
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41 | |
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42 | //! \ingroup TLibDecoder |
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43 | //! \{ |
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44 | |
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45 | #if ENC_DEC_TRACE |
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46 | |
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47 | #define READ_CODE(length, code, name) xReadCodeTr ( length, code, name ) |
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48 | #define READ_UVLC( code, name) xReadUvlcTr ( code, name ) |
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49 | #define READ_SVLC( code, name) xReadSvlcTr ( code, name ) |
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50 | #define READ_FLAG( code, name) xReadFlagTr ( code, name ) |
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51 | |
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52 | Void xTraceSPSHeader (TComSPS *pSPS) |
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53 | { |
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54 | fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() ); |
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55 | } |
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56 | |
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57 | Void xTracePPSHeader (TComPPS *pPPS) |
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58 | { |
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59 | fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() ); |
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60 | } |
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61 | |
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62 | Void xTraceAPSHeader (TComAPS *pAPS) |
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63 | { |
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64 | fprintf( g_hTrace, "=========== Adaptation Parameter Set ===========\n"); |
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65 | } |
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66 | |
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67 | Void xTraceSliceHeader (TComSlice *pSlice) |
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68 | { |
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69 | fprintf( g_hTrace, "=========== Slice ===========\n"); |
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70 | } |
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71 | |
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72 | |
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73 | Void TDecCavlc::xReadCodeTr (UInt length, UInt& rValue, const Char *pSymbolName) |
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74 | { |
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75 | xReadCode (length, rValue); |
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76 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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77 | fprintf( g_hTrace, "%-40s u(%d) : %d\n", pSymbolName, length, rValue ); |
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78 | fflush ( g_hTrace ); |
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79 | } |
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80 | |
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81 | Void TDecCavlc::xReadUvlcTr (UInt& rValue, const Char *pSymbolName) |
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82 | { |
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83 | xReadUvlc (rValue); |
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84 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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85 | fprintf( g_hTrace, "%-40s u(v) : %d\n", pSymbolName, rValue ); |
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86 | fflush ( g_hTrace ); |
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87 | } |
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88 | |
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89 | Void TDecCavlc::xReadSvlcTr (Int& rValue, const Char *pSymbolName) |
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90 | { |
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91 | xReadSvlc(rValue); |
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92 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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93 | fprintf( g_hTrace, "%-40s s(v) : %d\n", pSymbolName, rValue ); |
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94 | fflush ( g_hTrace ); |
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95 | } |
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96 | |
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97 | Void TDecCavlc::xReadFlagTr (UInt& rValue, const Char *pSymbolName) |
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98 | { |
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99 | xReadFlag(rValue); |
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100 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
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101 | fprintf( g_hTrace, "%-40s u(1) : %d\n", pSymbolName, rValue ); |
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102 | fflush ( g_hTrace ); |
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103 | } |
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104 | |
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105 | #else |
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106 | |
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107 | #define READ_CODE(length, code, name) xReadCode ( length, code ) |
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108 | #define READ_UVLC( code, name) xReadUvlc ( code ) |
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109 | #define READ_SVLC( code, name) xReadSvlc ( code ) |
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110 | #define READ_FLAG( code, name) xReadFlag ( code ) |
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111 | |
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112 | #endif |
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113 | |
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114 | |
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115 | |
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116 | // ==================================================================================================================== |
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117 | // Constructor / destructor / create / destroy |
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118 | // ==================================================================================================================== |
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119 | |
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120 | TDecCavlc::TDecCavlc() |
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121 | { |
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122 | m_iSliceGranularity = 0; |
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123 | |
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124 | m_aaiTempScale = new Int* [ MAX_VIEW_NUM ]; |
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125 | m_aaiTempOffset = new Int* [ MAX_VIEW_NUM ]; |
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126 | m_aaiTempPdmScaleNomDelta = new Int* [ MAX_VIEW_NUM ]; |
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127 | m_aaiTempPdmOffset = new Int* [ MAX_VIEW_NUM ]; |
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128 | for( UInt uiVId = 0; uiVId < MAX_VIEW_NUM; uiVId++ ) |
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129 | { |
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130 | m_aaiTempScale [ uiVId ] = new Int [ MAX_VIEW_NUM ]; |
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131 | m_aaiTempOffset [ uiVId ] = new Int [ MAX_VIEW_NUM ]; |
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132 | m_aaiTempPdmScaleNomDelta [ uiVId ] = new Int [ MAX_VIEW_NUM ]; |
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133 | m_aaiTempPdmOffset [ uiVId ] = new Int [ MAX_VIEW_NUM ]; |
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134 | } |
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135 | } |
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136 | |
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137 | TDecCavlc::~TDecCavlc() |
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138 | { |
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139 | for( UInt uiVId = 0; uiVId < MAX_VIEW_NUM; uiVId++ ) |
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140 | { |
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141 | delete [] m_aaiTempScale [ uiVId ]; |
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142 | delete [] m_aaiTempOffset [ uiVId ]; |
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143 | delete [] m_aaiTempPdmScaleNomDelta [ uiVId ]; |
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144 | delete [] m_aaiTempPdmOffset [ uiVId ]; |
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145 | } |
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146 | delete [] m_aaiTempScale; |
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147 | delete [] m_aaiTempOffset; |
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148 | delete [] m_aaiTempPdmScaleNomDelta; |
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149 | delete [] m_aaiTempPdmOffset; |
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150 | } |
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151 | |
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152 | // ==================================================================================================================== |
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153 | // Public member functions |
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154 | // ==================================================================================================================== |
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155 | |
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156 | /** |
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157 | * unmarshal a sequence of SEI messages from bitstream. |
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158 | */ |
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159 | void TDecCavlc::parseSEI(SEImessages& seis) |
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160 | { |
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161 | assert(!m_pcBitstream->getNumBitsUntilByteAligned()); |
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162 | do |
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163 | { |
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164 | parseSEImessage(*m_pcBitstream, seis); |
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165 | /* SEI messages are an integer number of bytes, something has failed |
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166 | * in the parsing if bitstream not byte-aligned */ |
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167 | assert(!m_pcBitstream->getNumBitsUntilByteAligned()); |
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168 | } while (0x80 != m_pcBitstream->peekBits(8)); |
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169 | assert(m_pcBitstream->getNumBitsLeft() == 8); /* rsbp_trailing_bits */ |
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170 | } |
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171 | #if RPS_IN_SPS |
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172 | void TDecCavlc::parseShortTermRefPicSet( TComSPS* sps, TComReferencePictureSet* rps, Int idx ) |
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173 | #else |
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174 | void TDecCavlc::parseShortTermRefPicSet( TComPPS* pcPPS, TComReferencePictureSet* rps, Int idx ) |
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175 | #endif |
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176 | { |
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177 | UInt code; |
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178 | UInt interRPSPred; |
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179 | READ_FLAG(interRPSPred, "inter_ref_pic_set_prediction_flag"); rps->setInterRPSPrediction(interRPSPred); |
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180 | if (interRPSPred) |
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181 | { |
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182 | UInt bit; |
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183 | READ_UVLC(code, "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 |
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184 | Int rIdx = idx - 1 - code; |
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185 | assert (rIdx <= idx && rIdx >= 0); |
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186 | #if RPS_IN_SPS |
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187 | TComReferencePictureSet* rpsRef = sps->getRPSList()->getReferencePictureSet(rIdx); |
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188 | #else |
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189 | TComReferencePictureSet* rpsRef = pcPPS->getRPSList()->getReferencePictureSet(rIdx); |
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190 | #endif |
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191 | Int k = 0, k0 = 0, k1 = 0; |
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192 | READ_CODE(1, bit, "delta_rps_sign"); // delta_RPS_sign |
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193 | READ_UVLC(code, "abs_delta_rps_minus1"); // absolute delta RPS minus 1 |
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194 | Int deltaRPS = (1 - (bit<<1)) * (code + 1); // delta_RPS |
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195 | for(Int j=0 ; j <= rpsRef->getNumberOfPictures(); j++) |
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196 | { |
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197 | READ_CODE(1, bit, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1 |
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198 | Int refIdc = bit; |
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199 | if (refIdc == 0) |
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200 | { |
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201 | READ_CODE(1, bit, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise. |
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202 | refIdc = bit<<1; //second bit is "1" if refIdc is 2, "0" if refIdc = 0. |
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203 | } |
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204 | if (refIdc == 1 || refIdc == 2) |
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205 | { |
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206 | Int deltaPOC = deltaRPS + ((j < rpsRef->getNumberOfPictures())? rpsRef->getDeltaPOC(j) : 0); |
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207 | rps->setDeltaPOC(k, deltaPOC); |
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208 | rps->setUsed(k, (refIdc == 1)); |
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209 | |
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210 | if (deltaPOC < 0) { |
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211 | k0++; |
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212 | } |
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213 | else |
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214 | { |
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215 | k1++; |
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216 | } |
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217 | k++; |
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218 | } |
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219 | rps->setRefIdc(j,refIdc); |
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220 | } |
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221 | rps->setNumRefIdc(rpsRef->getNumberOfPictures()+1); |
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222 | rps->setNumberOfPictures(k); |
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223 | rps->setNumberOfNegativePictures(k0); |
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224 | rps->setNumberOfPositivePictures(k1); |
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225 | rps->sortDeltaPOC(); |
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226 | } |
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227 | else |
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228 | { |
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229 | READ_UVLC(code, "num_negative_pics"); rps->setNumberOfNegativePictures(code); |
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230 | READ_UVLC(code, "num_positive_pics"); rps->setNumberOfPositivePictures(code); |
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231 | Int prev = 0; |
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232 | Int poc; |
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233 | for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++) |
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234 | { |
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235 | READ_UVLC(code, "delta_poc_s0_minus1"); |
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236 | poc = prev-code-1; |
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237 | prev = poc; |
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238 | rps->setDeltaPOC(j,poc); |
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239 | READ_FLAG(code, "used_by_curr_pic_s0_flag"); rps->setUsed(j,code); |
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240 | } |
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241 | prev = 0; |
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242 | for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++) |
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243 | { |
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244 | READ_UVLC(code, "delta_poc_s1_minus1"); |
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245 | poc = prev+code+1; |
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246 | prev = poc; |
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247 | rps->setDeltaPOC(j,poc); |
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248 | READ_FLAG(code, "used_by_curr_pic_s1_flag"); rps->setUsed(j,code); |
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249 | } |
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250 | rps->setNumberOfPictures(rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures()); |
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251 | } |
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252 | #if PRINT_RPS_INFO |
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253 | rps->printDeltaPOC(); |
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254 | #endif |
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255 | } |
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256 | |
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257 | Void TDecCavlc::parseAPS(TComAPS* aps) |
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258 | { |
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259 | #if ENC_DEC_TRACE |
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260 | xTraceAPSHeader(aps); |
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261 | #endif |
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262 | |
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263 | UInt uiCode; |
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264 | READ_UVLC(uiCode, "aps_id"); aps->setAPSID(uiCode); |
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265 | READ_FLAG(uiCode, "aps_scaling_list_data_present_flag"); aps->setScalingListEnabled( (uiCode==1)?true:false ); |
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266 | READ_FLAG(uiCode, "aps_deblocking_filter_flag"); aps->setLoopFilterOffsetInAPS( (uiCode==1)?true:false ); |
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267 | #if !SAO_UNIT_INTERLEAVING |
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268 | READ_FLAG(uiCode, "aps_sample_adaptive_offset_flag"); aps->setSaoEnabled( (uiCode==1)?true:false ); |
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269 | #endif |
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270 | #if !LCU_SYNTAX_ALF |
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271 | READ_FLAG(uiCode, "aps_adaptive_loop_filter_flag"); aps->setAlfEnabled( (uiCode==1)?true:false ); |
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272 | #endif |
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273 | if(aps->getScalingListEnabled()) |
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274 | { |
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275 | parseScalingList( aps->getScalingList() ); |
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276 | } |
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277 | #if DBL_CONTROL |
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278 | if(aps->getLoopFilterOffsetInAPS()) |
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279 | { |
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280 | xParseDblParam( aps ); |
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281 | } |
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282 | #endif |
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283 | #if SAO_UNIT_INTERLEAVING |
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284 | READ_FLAG(uiCode, "aps_sao_interleaving_flag"); aps->setSaoInterleavingFlag( (uiCode==1)?true:false ); |
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285 | if(!aps->getSaoInterleavingFlag()) |
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286 | { |
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287 | READ_FLAG(uiCode, "aps_sample_adaptive_offset_flag"); aps->setSaoEnabled( (uiCode==1)?true:false ); |
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288 | #endif |
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289 | if(aps->getSaoEnabled()) |
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290 | { |
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291 | aps->getSaoParam()->bSaoFlag[0] = true; |
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292 | xParseSaoParam( aps->getSaoParam() ); |
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293 | } |
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294 | #if SAO_UNIT_INTERLEAVING |
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295 | } |
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296 | #endif |
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297 | #if LCU_SYNTAX_ALF |
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298 | READ_FLAG(uiCode, "aps_adaptive_loop_filter_flag"); aps->setAlfEnabled( (uiCode==1)?true:false ); |
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299 | #endif |
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300 | if(aps->getAlfEnabled()) |
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301 | { |
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302 | #if !LCU_SYNTAX_ALF |
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303 | aps->getAlfParam()->alf_flag = 1; |
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304 | #endif |
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305 | xParseAlfParam( aps->getAlfParam()); |
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306 | } |
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307 | READ_FLAG( uiCode, "aps_extension_flag"); |
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308 | if (uiCode) |
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309 | { |
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310 | while ( xMoreRbspData() ) |
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311 | { |
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312 | READ_FLAG( uiCode, "aps_extension_data_flag"); |
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313 | } |
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314 | } |
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315 | |
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316 | } |
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317 | |
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318 | #if DBL_CONTROL |
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319 | Void TDecCavlc::xParseDblParam ( TComAPS* aps ) |
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320 | { |
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321 | UInt uiSymbol; |
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322 | Int iSymbol; |
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323 | |
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324 | parseDFFlag(uiSymbol, "loop_filter_disable"); |
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325 | aps->setLoopFilterDisable(uiSymbol?true:false); |
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326 | |
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327 | if (!aps->getLoopFilterDisable()) |
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328 | { |
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329 | parseDFSvlc(iSymbol, "beta_offset_div2"); |
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330 | aps->setLoopFilterBetaOffset(iSymbol); |
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331 | parseDFSvlc(iSymbol, "tc_offset_div2"); |
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332 | aps->setLoopFilterTcOffset(iSymbol); |
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333 | } |
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334 | } |
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335 | #endif |
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336 | /** parse SAO parameters |
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337 | * \param pSaoParam |
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338 | */ |
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339 | Void TDecCavlc::xParseSaoParam(SAOParam* pSaoParam) |
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340 | { |
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341 | UInt uiSymbol; |
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342 | |
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343 | #if SAO_UNIT_INTERLEAVING |
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344 | int i,j, compIdx; |
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345 | int numCuInWidth; |
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346 | int numCuInHeight; |
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347 | Bool repeatedRow[3]; |
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348 | if (pSaoParam->bSaoFlag[0]) |
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349 | { |
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350 | READ_FLAG (uiSymbol, "sao_cb_enable_flag"); pSaoParam->bSaoFlag[1] = uiSymbol? true:false; |
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351 | READ_FLAG (uiSymbol, "sao_cr_enable_flag"); pSaoParam->bSaoFlag[2] = uiSymbol? true:false; |
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352 | READ_UVLC (uiSymbol, "sao_num_lcu_in_width_minus1"); pSaoParam->numCuInWidth = uiSymbol + 1; |
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353 | READ_UVLC (uiSymbol, "sao_num_lcu_in_height_minus1"); pSaoParam->numCuInHeight = uiSymbol + 1; |
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354 | numCuInWidth = pSaoParam->numCuInWidth; |
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355 | numCuInHeight = pSaoParam->numCuInHeight; |
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356 | |
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357 | READ_FLAG (uiSymbol, "sao_one_luma_unit_flag"); pSaoParam->oneUnitFlag[0] = uiSymbol? true:false; |
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358 | if (pSaoParam->oneUnitFlag[0] ) |
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359 | xParseSaoOffset(&(pSaoParam->saoLcuParam[0][0])); |
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360 | |
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361 | if (pSaoParam->bSaoFlag[1]) |
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362 | { |
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363 | READ_FLAG (uiSymbol, "sao_one_cb_unit_flag"); pSaoParam->oneUnitFlag[1] = uiSymbol? true:false; |
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364 | if (pSaoParam->oneUnitFlag[1] ) |
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365 | xParseSaoOffset(&(pSaoParam->saoLcuParam[1][0])); |
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366 | } |
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367 | if (pSaoParam->bSaoFlag[2]) |
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368 | { |
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369 | READ_FLAG (uiSymbol, "sao_one_cr_unit_flag"); pSaoParam->oneUnitFlag[2] = uiSymbol? true:false; |
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370 | if (pSaoParam->oneUnitFlag[2] ) |
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371 | xParseSaoOffset(&(pSaoParam->saoLcuParam[2][0])); |
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372 | } |
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373 | for (j=0;j<numCuInHeight;j++) |
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374 | { |
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375 | for (compIdx=0;compIdx<3;compIdx++) |
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376 | { |
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377 | repeatedRow[compIdx] = 0; |
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378 | } |
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379 | for (i=0;i<numCuInWidth;i++) |
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380 | { |
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381 | for (compIdx=0; compIdx<3; compIdx++) |
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382 | { |
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383 | if (pSaoParam->bSaoFlag[compIdx] && !pSaoParam->oneUnitFlag[compIdx]) |
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384 | { |
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385 | if (j>0 && i==0) |
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386 | { |
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387 | READ_FLAG (uiSymbol, "sao_repeat_row_flag"); repeatedRow[compIdx] = uiSymbol? true:false; |
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388 | } |
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389 | xParseSaoUnit (i,j, compIdx, pSaoParam, repeatedRow[compIdx]); |
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390 | } |
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391 | } |
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392 | } |
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393 | } |
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394 | } |
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395 | #else |
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396 | if (pSaoParam->bSaoFlag[0]) |
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397 | { |
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398 | xParseSaoSplitParam (pSaoParam, 0, 0); |
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399 | xParseSaoOffsetParam(pSaoParam, 0, 0); |
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400 | READ_FLAG (uiSymbol, "sao_flag_cb"); |
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401 | pSaoParam->bSaoFlag[1] = uiSymbol? true:false; |
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402 | if (pSaoParam->bSaoFlag[1]) |
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403 | { |
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404 | xParseSaoSplitParam (pSaoParam, 0, 1); |
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405 | xParseSaoOffsetParam(pSaoParam, 0, 1); |
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406 | } |
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407 | |
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408 | READ_FLAG (uiSymbol, "sao_flag_cr"); |
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409 | pSaoParam->bSaoFlag[2] = uiSymbol? true:false; |
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410 | if (pSaoParam->bSaoFlag[2]) |
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411 | { |
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412 | xParseSaoSplitParam (pSaoParam, 0, 2); |
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413 | xParseSaoOffsetParam(pSaoParam, 0, 2); |
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414 | } |
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415 | } |
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416 | #endif |
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417 | } |
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418 | #if SAO_UNIT_INTERLEAVING |
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419 | /** copy SAO parameter |
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420 | * \param dst |
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421 | * \param src |
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422 | */ |
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423 | inline Void copySaoOneLcuParam(SaoLcuParam* dst, SaoLcuParam* src) |
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424 | { |
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425 | Int i; |
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426 | dst->partIdx = src->partIdx; |
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427 | dst->typeIdx = src->typeIdx; |
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428 | if (dst->typeIdx != -1) |
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429 | { |
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430 | if (dst->typeIdx == SAO_BO) |
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431 | { |
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432 | dst->bandPosition = src->bandPosition ; |
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433 | } |
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434 | else |
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435 | { |
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436 | dst->bandPosition = 0; |
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437 | } |
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438 | dst->length = src->length; |
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439 | for (i=0;i<dst->length;i++) |
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440 | { |
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441 | dst->offset[i] = src->offset[i]; |
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442 | } |
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443 | } |
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444 | else |
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445 | { |
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446 | dst->length = 0; |
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447 | for (i=0;i<SAO_BO_LEN;i++) |
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448 | { |
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449 | dst->offset[i] = 0; |
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450 | } |
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451 | } |
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452 | } |
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453 | /** parse SAO offset |
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454 | * \param saoLcuParam SAO LCU parameters |
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455 | */ |
---|
456 | Void TDecCavlc::xParseSaoOffset(SaoLcuParam* saoLcuParam) |
---|
457 | { |
---|
458 | UInt uiSymbol; |
---|
459 | Int iSymbol; |
---|
460 | static Int typeLength[MAX_NUM_SAO_TYPE] = { |
---|
461 | SAO_EO_LEN, |
---|
462 | SAO_EO_LEN, |
---|
463 | SAO_EO_LEN, |
---|
464 | SAO_EO_LEN, |
---|
465 | SAO_BO_LEN |
---|
466 | }; |
---|
467 | |
---|
468 | READ_UVLC (uiSymbol, "sao_type_idx"); saoLcuParam->typeIdx = (Int)uiSymbol - 1; |
---|
469 | if (uiSymbol) |
---|
470 | { |
---|
471 | saoLcuParam->length = typeLength[saoLcuParam->typeIdx]; |
---|
472 | if( saoLcuParam->typeIdx == SAO_BO ) |
---|
473 | { |
---|
474 | READ_CODE( 5, uiSymbol, "sao_band_position"); saoLcuParam->bandPosition = uiSymbol; |
---|
475 | for(Int i=0; i< saoLcuParam->length; i++) |
---|
476 | { |
---|
477 | READ_SVLC (iSymbol, "sao_offset"); saoLcuParam->offset[i] = iSymbol; |
---|
478 | } |
---|
479 | } |
---|
480 | else if( saoLcuParam->typeIdx < 4 ) |
---|
481 | { |
---|
482 | READ_UVLC (uiSymbol, "sao_offset"); saoLcuParam->offset[0] = uiSymbol; |
---|
483 | READ_UVLC (uiSymbol, "sao_offset"); saoLcuParam->offset[1] = uiSymbol; |
---|
484 | READ_UVLC (uiSymbol, "sao_offset"); saoLcuParam->offset[2] = -(Int)uiSymbol; |
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485 | READ_UVLC (uiSymbol, "sao_offset"); saoLcuParam->offset[3] = -(Int)uiSymbol; |
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486 | } |
---|
487 | } |
---|
488 | else |
---|
489 | { |
---|
490 | saoLcuParam->length = 0; |
---|
491 | } |
---|
492 | } |
---|
493 | |
---|
494 | /** parse SAO unit |
---|
495 | * \param rx x-axis location |
---|
496 | * \param ry y-axis location |
---|
497 | * \param compIdx color component index |
---|
498 | * \param saoParam SAO parameters |
---|
499 | * \param repeatedRow repeat row flag |
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500 | */ |
---|
501 | void TDecCavlc::xParseSaoUnit(Int rx, Int ry, Int compIdx, SAOParam* saoParam, Bool& repeatedRow ) |
---|
502 | { |
---|
503 | int addr, addrUp, addrLeft; |
---|
504 | int numCuInWidth = saoParam->numCuInWidth; |
---|
505 | SaoLcuParam* saoOneLcu; |
---|
506 | SaoLcuParam* saoOneLcuUp; |
---|
507 | SaoLcuParam* saoOneLcuLeft; |
---|
508 | UInt uiSymbol; |
---|
509 | Int iSymbol; |
---|
510 | Int runLeft; |
---|
511 | UInt maxValue; |
---|
512 | |
---|
513 | addr = rx + ry*numCuInWidth; |
---|
514 | addrLeft = (addr%numCuInWidth == 0) ? -1 : addr - 1; |
---|
515 | addrUp = (addr<numCuInWidth) ? -1 : addr - numCuInWidth; |
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516 | |
---|
517 | saoOneLcu = &(saoParam->saoLcuParam[compIdx][addr]); |
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518 | if (!repeatedRow) |
---|
519 | { |
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520 | runLeft = (addrLeft>=0 ) ? saoParam->saoLcuParam[compIdx][addrLeft].run : -1; |
---|
521 | if (rx == 0 || runLeft==0) |
---|
522 | { |
---|
523 | saoOneLcu->mergeLeftFlag = 0; |
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524 | if (ry == 0) |
---|
525 | { |
---|
526 | maxValue = numCuInWidth-rx-1; |
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527 | UInt length = 0; |
---|
528 | UInt val = 0; |
---|
529 | if (maxValue) |
---|
530 | { |
---|
531 | for(UInt i=0; i<32; i++) |
---|
532 | { |
---|
533 | if(maxValue&0x1) |
---|
534 | { |
---|
535 | length = i+1; |
---|
536 | } |
---|
537 | maxValue = (maxValue >> 1); |
---|
538 | } |
---|
539 | if(length) |
---|
540 | { |
---|
541 | READ_CODE(length, val, "sao_run_diff"); |
---|
542 | } |
---|
543 | } |
---|
544 | uiSymbol = val; |
---|
545 | saoOneLcu->runDiff = uiSymbol; |
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546 | xParseSaoOffset(saoOneLcu); |
---|
547 | saoOneLcu->run = saoOneLcu->runDiff; |
---|
548 | } |
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549 | else |
---|
550 | { |
---|
551 | saoOneLcuUp = &(saoParam->saoLcuParam[compIdx][addrUp]); |
---|
552 | READ_SVLC (iSymbol , "sao_run_diff" ); saoOneLcu->runDiff = iSymbol; |
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553 | READ_FLAG (uiSymbol, "sao_merge_up_flag"); saoOneLcu->mergeUpFlag = uiSymbol? true:false; |
---|
554 | if (!saoOneLcu->mergeUpFlag) |
---|
555 | { |
---|
556 | xParseSaoOffset(saoOneLcu); |
---|
557 | } |
---|
558 | else |
---|
559 | { |
---|
560 | saoOneLcuUp = &(saoParam->saoLcuParam[compIdx][addrUp]); |
---|
561 | copySaoOneLcuParam(saoOneLcu, saoOneLcuUp); |
---|
562 | } |
---|
563 | saoOneLcu->run = saoOneLcu->runDiff + saoOneLcuUp->run; |
---|
564 | } |
---|
565 | } |
---|
566 | else |
---|
567 | { |
---|
568 | saoOneLcuLeft = &(saoParam->saoLcuParam[compIdx][addrLeft]); |
---|
569 | copySaoOneLcuParam(saoOneLcu, saoOneLcuLeft); |
---|
570 | saoOneLcu->mergeLeftFlag = 1; |
---|
571 | saoOneLcu->run = saoOneLcuLeft->run-1; |
---|
572 | } |
---|
573 | } |
---|
574 | else |
---|
575 | { |
---|
576 | if (ry > 0) |
---|
577 | { |
---|
578 | saoOneLcuUp = &(saoParam->saoLcuParam[compIdx][addrUp]); |
---|
579 | copySaoOneLcuParam(saoOneLcu, saoOneLcuUp); |
---|
580 | saoOneLcu->mergeLeftFlag = 0; |
---|
581 | saoOneLcu->run = saoOneLcuUp->run; |
---|
582 | } |
---|
583 | } |
---|
584 | } |
---|
585 | |
---|
586 | #else |
---|
587 | /** Decode quadtree split flag |
---|
588 | * \param pSaoParam, iPartIdx |
---|
589 | */ |
---|
590 | Void TDecCavlc::xParseSaoSplitParam(SAOParam* pSaoParam, Int iPartIdx, Int iYCbCr) |
---|
591 | { |
---|
592 | UInt uiSymbol; |
---|
593 | SAOQTPart* pSaoPart = NULL; |
---|
594 | pSaoPart= &(pSaoParam->psSaoPart[iYCbCr][iPartIdx]); |
---|
595 | |
---|
596 | if(pSaoPart->PartLevel < pSaoParam->iMaxSplitLevel) |
---|
597 | { |
---|
598 | READ_FLAG (uiSymbol, "sao_split_flag"); |
---|
599 | pSaoPart->bSplit = uiSymbol? true:false; |
---|
600 | if(pSaoPart->bSplit) |
---|
601 | { |
---|
602 | for (Int i=0;i<NUM_DOWN_PART;i++) |
---|
603 | { |
---|
604 | xParseSaoSplitParam(pSaoParam, pSaoPart->DownPartsIdx[i], iYCbCr); |
---|
605 | } |
---|
606 | } |
---|
607 | } |
---|
608 | else |
---|
609 | { |
---|
610 | pSaoPart->bSplit = false; |
---|
611 | } |
---|
612 | } |
---|
613 | |
---|
614 | /** Decode SAO for one partition |
---|
615 | * \param pSaoParam, iPartIdx |
---|
616 | */ |
---|
617 | Void TDecCavlc::xParseSaoOffsetParam(SAOParam* pSaoParam, Int iPartIdx, Int iYCbCr) |
---|
618 | { |
---|
619 | UInt uiSymbol; |
---|
620 | Int iSymbol; |
---|
621 | SAOQTPart* pSaoPart = NULL; |
---|
622 | pSaoPart = &(pSaoParam->psSaoPart[iYCbCr][iPartIdx]); |
---|
623 | |
---|
624 | static Int iTypeLength[MAX_NUM_SAO_TYPE] = { |
---|
625 | SAO_EO_LEN, |
---|
626 | SAO_EO_LEN, |
---|
627 | SAO_EO_LEN, |
---|
628 | SAO_EO_LEN, |
---|
629 | SAO_BO_LEN, |
---|
630 | SAO_BO_LEN |
---|
631 | }; |
---|
632 | if(!pSaoPart->bSplit) |
---|
633 | { |
---|
634 | READ_UVLC (uiSymbol, "sao_type_idx"); |
---|
635 | if (uiSymbol) |
---|
636 | { |
---|
637 | pSaoPart->iBestType = uiSymbol-1; |
---|
638 | pSaoPart->bEnableFlag = true; |
---|
639 | } |
---|
640 | else |
---|
641 | { |
---|
642 | pSaoPart->iBestType = -1; |
---|
643 | pSaoPart->bEnableFlag = false; |
---|
644 | } |
---|
645 | |
---|
646 | if (pSaoPart->bEnableFlag) |
---|
647 | { |
---|
648 | pSaoPart->iLength = iTypeLength[pSaoPart->iBestType]; |
---|
649 | for(Int i=0; i< pSaoPart->iLength; i++) |
---|
650 | { |
---|
651 | READ_SVLC (iSymbol, "sao_offset"); |
---|
652 | pSaoPart->iOffset[i] = iSymbol; |
---|
653 | } |
---|
654 | } |
---|
655 | return; |
---|
656 | } |
---|
657 | |
---|
658 | //split |
---|
659 | if (pSaoPart->PartLevel < pSaoParam->iMaxSplitLevel) |
---|
660 | { |
---|
661 | for(Int i=0;i<NUM_DOWN_PART;i++) |
---|
662 | { |
---|
663 | xParseSaoOffsetParam(pSaoParam, pSaoPart->DownPartsIdx[i], iYCbCr); |
---|
664 | } |
---|
665 | } |
---|
666 | } |
---|
667 | #endif |
---|
668 | |
---|
669 | #if LCU_SYNTAX_ALF |
---|
670 | Void TDecCavlc::xParseAlfParam(AlfParamSet* pAlfParamSet, Bool bSentInAPS, Int firstLCUAddr, Bool acrossSlice, Int numLCUInWidth, Int numLCUInHeight) |
---|
671 | { |
---|
672 | Int numLCU; |
---|
673 | UInt uiSymbol; |
---|
674 | Bool isEnabled[NUM_ALF_COMPONENT]; |
---|
675 | Bool isUniParam[NUM_ALF_COMPONENT]; |
---|
676 | |
---|
677 | isEnabled[ALF_Y] = true; |
---|
678 | READ_FLAG(uiSymbol, "alf_cb_enable_flag"); isEnabled[ALF_Cb] = ((uiSymbol ==1)?true:false); |
---|
679 | READ_FLAG(uiSymbol, "alf_cr_enable_flag"); isEnabled[ALF_Cr] = ((uiSymbol ==1)?true:false); |
---|
680 | READ_FLAG(uiSymbol, "alf_one_luma_unit_per_slice_flag"); isUniParam[ALF_Y] = ((uiSymbol ==1)?true:false); |
---|
681 | |
---|
682 | isUniParam[ALF_Cb] = true; |
---|
683 | if (isEnabled[ALF_Cb]) |
---|
684 | { |
---|
685 | READ_FLAG(uiSymbol, "alf_one_cb_unit_per_slice_flag"); isUniParam[ALF_Cb] = ((uiSymbol ==1)?true:false); |
---|
686 | } |
---|
687 | |
---|
688 | isUniParam[ALF_Cr] = true; |
---|
689 | if (isEnabled[ALF_Cr]) |
---|
690 | { |
---|
691 | READ_FLAG(uiSymbol, "alf_one_cr_unit_per_slice_flag"); isUniParam[ALF_Cr] = ((uiSymbol ==1)?true:false); |
---|
692 | } |
---|
693 | |
---|
694 | if(bSentInAPS) |
---|
695 | { |
---|
696 | READ_UVLC(uiSymbol, "alf_num_lcu_in_width_minus1"); numLCUInWidth = uiSymbol+1; |
---|
697 | READ_UVLC(uiSymbol, "alf_num_lcu_in_height_minus1"); numLCUInHeight = uiSymbol+1; |
---|
698 | numLCU = numLCUInWidth*numLCUInHeight; |
---|
699 | } |
---|
700 | else //sent in slice header |
---|
701 | { |
---|
702 | READ_UVLC(uiSymbol, "alf_num_lcu_in_slice_minus1"); numLCU = uiSymbol+1; |
---|
703 | } |
---|
704 | |
---|
705 | assert(pAlfParamSet != NULL); |
---|
706 | |
---|
707 | pAlfParamSet->create(numLCUInWidth, numLCUInHeight, numLCU); |
---|
708 | for(Int compIdx = 0; compIdx < NUM_ALF_COMPONENT; compIdx++) |
---|
709 | { |
---|
710 | pAlfParamSet->isEnabled[compIdx] = isEnabled[compIdx]; |
---|
711 | pAlfParamSet->isUniParam[compIdx]= isUniParam[compIdx]; |
---|
712 | } |
---|
713 | |
---|
714 | parseAlfParamSet(pAlfParamSet, firstLCUAddr, acrossSlice); |
---|
715 | } |
---|
716 | |
---|
717 | |
---|
718 | Void TDecCavlc::parseAlfParamSet(AlfParamSet* pAlfParamSet, Int firstLCUAddr, Bool alfAcrossSlice) |
---|
719 | { |
---|
720 | Int numLCUInWidth = pAlfParamSet->numLCUInWidth; |
---|
721 | Int numLCU = pAlfParamSet->numLCU; |
---|
722 | |
---|
723 | static Bool isRepeatedRow [NUM_ALF_COMPONENT]; |
---|
724 | static Int numStoredFilters[NUM_ALF_COMPONENT]; |
---|
725 | static Int* run [NUM_ALF_COMPONENT]; |
---|
726 | |
---|
727 | for(Int compIdx =0; compIdx < NUM_ALF_COMPONENT; compIdx++) |
---|
728 | { |
---|
729 | isRepeatedRow[compIdx] = false; |
---|
730 | numStoredFilters[compIdx] = 0; |
---|
731 | |
---|
732 | run[compIdx] = new Int[numLCU+1]; |
---|
733 | run[compIdx][0] = -1; |
---|
734 | } |
---|
735 | |
---|
736 | UInt uiSymbol; |
---|
737 | Int iSymbol, ry, rx, addrUp; |
---|
738 | |
---|
739 | for(Int i=0; i< numLCU; i++) |
---|
740 | { |
---|
741 | rx = (i+ firstLCUAddr)% numLCUInWidth; |
---|
742 | ry = (i+ firstLCUAddr)/ numLCUInWidth; |
---|
743 | |
---|
744 | for(Int compIdx =0; compIdx < NUM_ALF_COMPONENT; compIdx++) |
---|
745 | { |
---|
746 | AlfUnitParam& alfUnitParam = pAlfParamSet->alfUnitParam[compIdx][i]; |
---|
747 | |
---|
748 | if(pAlfParamSet->isEnabled[compIdx]) |
---|
749 | { |
---|
750 | if(!pAlfParamSet->isUniParam[compIdx]) |
---|
751 | { |
---|
752 | addrUp = i-numLCUInWidth; |
---|
753 | if(rx ==0 && addrUp >=0) |
---|
754 | { |
---|
755 | READ_FLAG(uiSymbol, "alf_repeat_row _flag"); isRepeatedRow[compIdx] = ((uiSymbol ==1)?true:false); |
---|
756 | } |
---|
757 | |
---|
758 | if(isRepeatedRow[compIdx]) |
---|
759 | { |
---|
760 | alfUnitParam.mergeType = ALF_MERGE_UP; |
---|
761 | assert(addrUp >=0); |
---|
762 | run[compIdx][i] = run[compIdx][addrUp]; |
---|
763 | } |
---|
764 | else |
---|
765 | { |
---|
766 | if(rx == 0 || run[compIdx][i] < 0) |
---|
767 | { |
---|
768 | if(addrUp < 0) |
---|
769 | { |
---|
770 | //alf_run_diff u(v) |
---|
771 | parseAlfFixedLengthRun(uiSymbol, rx, numLCUInWidth); |
---|
772 | run[compIdx][i] = uiSymbol; |
---|
773 | } |
---|
774 | else |
---|
775 | { |
---|
776 | //alf_run_diff s(v) |
---|
777 | READ_SVLC(iSymbol, "alf_run_diff"); |
---|
778 | run[compIdx][i] = run[compIdx][addrUp] + iSymbol; |
---|
779 | assert(run[compIdx][i] >= 0); |
---|
780 | } |
---|
781 | |
---|
782 | if(ry > 0 && (addrUp >=0 || alfAcrossSlice)) |
---|
783 | { |
---|
784 | //alf_merge_up_flag |
---|
785 | READ_FLAG(uiSymbol, "alf_merge_up_flag"); alfUnitParam.mergeType = ((uiSymbol ==1)?ALF_MERGE_UP:ALF_MERGE_DISABLED); |
---|
786 | } |
---|
787 | else |
---|
788 | { |
---|
789 | alfUnitParam.mergeType = ALF_MERGE_DISABLED; |
---|
790 | } |
---|
791 | |
---|
792 | if(alfUnitParam.mergeType != ALF_MERGE_UP) |
---|
793 | { |
---|
794 | //alf_lcu_enable_flag |
---|
795 | READ_FLAG(uiSymbol, "alf_lcu_enable_flag"); alfUnitParam.isEnabled = ((uiSymbol ==1)?true:false); |
---|
796 | |
---|
797 | if(alfUnitParam.isEnabled) |
---|
798 | { |
---|
799 | if(numStoredFilters[compIdx] > 0) |
---|
800 | { |
---|
801 | //alf_new_filter_set_flag |
---|
802 | READ_FLAG(uiSymbol, "alf_new_filter_set_flag"); alfUnitParam.isNewFilt = ((uiSymbol ==1)?true:false); |
---|
803 | |
---|
804 | if(!alfUnitParam.isNewFilt) |
---|
805 | { |
---|
806 | //alf_stored_filter_set_idx |
---|
807 | parseAlfStoredFilterIdx(uiSymbol, numStoredFilters[compIdx]); |
---|
808 | |
---|
809 | alfUnitParam.storedFiltIdx = uiSymbol; |
---|
810 | |
---|
811 | assert( alfUnitParam.storedFiltIdx < numStoredFilters[compIdx]); |
---|
812 | } |
---|
813 | } |
---|
814 | else |
---|
815 | { |
---|
816 | alfUnitParam.isNewFilt = true; |
---|
817 | } |
---|
818 | |
---|
819 | if(alfUnitParam.isNewFilt) |
---|
820 | { |
---|
821 | alfUnitParam.alfFiltParam = new ALFParam(compIdx); |
---|
822 | xParseAlfParam(alfUnitParam.alfFiltParam); |
---|
823 | alfUnitParam.alfFiltParam->alf_flag = 1; |
---|
824 | |
---|
825 | numStoredFilters[compIdx]++; |
---|
826 | } |
---|
827 | } |
---|
828 | |
---|
829 | } |
---|
830 | } |
---|
831 | else |
---|
832 | { |
---|
833 | alfUnitParam.mergeType = ALF_MERGE_LEFT; |
---|
834 | } |
---|
835 | |
---|
836 | run[compIdx][i+1] = run[compIdx][i] -1; |
---|
837 | } |
---|
838 | |
---|
839 | } |
---|
840 | else // uni-param |
---|
841 | { |
---|
842 | if(i == 0) |
---|
843 | { |
---|
844 | alfUnitParam.mergeType = ALF_MERGE_DISABLED; |
---|
845 | |
---|
846 | //alf_lcu_enable_flag |
---|
847 | READ_FLAG(uiSymbol, "alf_lcu_enable_flag"); alfUnitParam.isEnabled = ((uiSymbol ==1)?true:false); |
---|
848 | if(alfUnitParam.isEnabled) |
---|
849 | { |
---|
850 | alfUnitParam.isNewFilt = true; |
---|
851 | alfUnitParam.alfFiltParam = new ALFParam(compIdx); |
---|
852 | xParseAlfParam(alfUnitParam.alfFiltParam); |
---|
853 | alfUnitParam.alfFiltParam->alf_flag = 1; |
---|
854 | } |
---|
855 | } |
---|
856 | else |
---|
857 | { |
---|
858 | alfUnitParam.mergeType = ALF_MERGE_FIRST; |
---|
859 | } |
---|
860 | |
---|
861 | } |
---|
862 | } |
---|
863 | else |
---|
864 | { |
---|
865 | alfUnitParam.mergeType = ALF_MERGE_DISABLED; |
---|
866 | alfUnitParam.isEnabled = false; |
---|
867 | } |
---|
868 | } |
---|
869 | } |
---|
870 | |
---|
871 | for(Int compIdx =0; compIdx < NUM_ALF_COMPONENT; compIdx++) |
---|
872 | { |
---|
873 | delete[] run[compIdx]; |
---|
874 | } |
---|
875 | } |
---|
876 | |
---|
877 | |
---|
878 | Void TDecCavlc::parseAlfFixedLengthRun( UInt& idx, UInt rx, UInt numLCUInWidth ) |
---|
879 | { |
---|
880 | assert(numLCUInWidth > rx); |
---|
881 | |
---|
882 | UInt length = 0; |
---|
883 | UInt maxNumRun = numLCUInWidth - rx - 1; |
---|
884 | |
---|
885 | for(UInt i=0; i<32; i++) |
---|
886 | { |
---|
887 | if(maxNumRun&0x1) |
---|
888 | { |
---|
889 | length = i+1; |
---|
890 | } |
---|
891 | maxNumRun = (maxNumRun >> 1); |
---|
892 | } |
---|
893 | |
---|
894 | idx = 0; |
---|
895 | if(length) |
---|
896 | { |
---|
897 | READ_CODE( length, idx, "alf_run_diff" ); |
---|
898 | } |
---|
899 | else |
---|
900 | { |
---|
901 | idx = 0; |
---|
902 | } |
---|
903 | } |
---|
904 | |
---|
905 | |
---|
906 | Void TDecCavlc::parseAlfStoredFilterIdx( UInt& idx, UInt numFilterSetsInBuffer ) |
---|
907 | { |
---|
908 | assert(numFilterSetsInBuffer > 0); |
---|
909 | |
---|
910 | UInt length = 0; |
---|
911 | UInt maxValue = numFilterSetsInBuffer - 1; |
---|
912 | |
---|
913 | for(UInt i=0; i<32; i++) |
---|
914 | { |
---|
915 | if(maxValue&0x1) |
---|
916 | { |
---|
917 | length = i+1; |
---|
918 | } |
---|
919 | maxValue = (maxValue >> 1); |
---|
920 | } |
---|
921 | |
---|
922 | idx = 0; |
---|
923 | if(length) |
---|
924 | { |
---|
925 | READ_CODE( length, idx, "alf_stored_filter_set_idx" ); |
---|
926 | } |
---|
927 | else |
---|
928 | { |
---|
929 | idx = 0; |
---|
930 | } |
---|
931 | } |
---|
932 | |
---|
933 | #endif |
---|
934 | |
---|
935 | Void TDecCavlc::xParseAlfParam(ALFParam* pAlfParam) |
---|
936 | { |
---|
937 | UInt uiSymbol; |
---|
938 | Int iSymbol; |
---|
939 | #if ALF_SINGLE_FILTER_SHAPE |
---|
940 | Int sqrFiltLengthTab[NUM_ALF_FILTER_SHAPE] = {ALF_FILTER_LEN}; |
---|
941 | #else |
---|
942 | Int sqrFiltLengthTab[2] = { 9, 9}; |
---|
943 | #endif |
---|
944 | |
---|
945 | #if LCU_SYNTAX_ALF |
---|
946 | switch(pAlfParam->componentID) |
---|
947 | { |
---|
948 | case ALF_Cb: |
---|
949 | case ALF_Cr: |
---|
950 | { |
---|
951 | pAlfParam->filter_shape = ALF_CROSS9x7_SQUARE3x3; |
---|
952 | pAlfParam->num_coeff = sqrFiltLengthTab[pAlfParam->filter_shape]; |
---|
953 | pAlfParam->filters_per_group = 1; |
---|
954 | for(Int pos=0; pos< pAlfParam->num_coeff; pos++) |
---|
955 | { |
---|
956 | READ_SVLC(iSymbol, "alf_filt_coeff"); |
---|
957 | pAlfParam->coeffmulti[0][pos] = iSymbol; |
---|
958 | } |
---|
959 | } |
---|
960 | break; |
---|
961 | case ALF_Y: |
---|
962 | { |
---|
963 | #endif |
---|
964 | pAlfParam->filters_per_group = 0; |
---|
965 | memset (pAlfParam->filterPattern, 0 , sizeof(Int)*NO_VAR_BINS); |
---|
966 | #if !LCU_SYNTAX_ALF |
---|
967 | READ_FLAG (uiSymbol, "alf_region_adaptation_flag"); |
---|
968 | pAlfParam->alf_pcr_region_flag = uiSymbol; |
---|
969 | #endif |
---|
970 | #if ALF_SINGLE_FILTER_SHAPE |
---|
971 | pAlfParam->filter_shape = 0; |
---|
972 | #else |
---|
973 | READ_UVLC (uiSymbol, "alf_length_luma_minus_5_div2"); |
---|
974 | pAlfParam->filter_shape = uiSymbol; |
---|
975 | #endif |
---|
976 | pAlfParam->num_coeff = sqrFiltLengthTab[pAlfParam->filter_shape]; |
---|
977 | |
---|
978 | // filters_per_fr |
---|
979 | READ_UVLC (uiSymbol, "alf_no_filters_minus1"); |
---|
980 | pAlfParam->filters_per_group = uiSymbol + 1; |
---|
981 | |
---|
982 | if(uiSymbol == 1) // filters_per_group == 2 |
---|
983 | { |
---|
984 | READ_UVLC (uiSymbol, "alf_start_second_filter"); |
---|
985 | pAlfParam->startSecondFilter = uiSymbol; |
---|
986 | pAlfParam->filterPattern [uiSymbol] = 1; |
---|
987 | } |
---|
988 | else if (uiSymbol > 1) // filters_per_group > 2 |
---|
989 | { |
---|
990 | pAlfParam->filters_per_group = 1; |
---|
991 | #if LCU_SYNTAX_ALF |
---|
992 | #if ALF_16_BA_GROUPS |
---|
993 | Int numMergeFlags = 16; |
---|
994 | #else |
---|
995 | Int numMergeFlags = 15; |
---|
996 | #endif |
---|
997 | #else |
---|
998 | #if ALF_16_BA_GROUPS |
---|
999 | Int numMergeFlags = 16; |
---|
1000 | #else |
---|
1001 | Int numMergeFlags = pAlfParam->alf_pcr_region_flag ? 16 : 15; |
---|
1002 | #endif |
---|
1003 | #endif |
---|
1004 | for (Int i=1; i<numMergeFlags; i++) |
---|
1005 | { |
---|
1006 | READ_FLAG (uiSymbol, "alf_filter_pattern"); |
---|
1007 | pAlfParam->filterPattern[i] = uiSymbol; |
---|
1008 | pAlfParam->filters_per_group += uiSymbol; |
---|
1009 | } |
---|
1010 | } |
---|
1011 | |
---|
1012 | if (pAlfParam->filters_per_group > 1) |
---|
1013 | { |
---|
1014 | READ_FLAG (uiSymbol, "alf_pred_method"); |
---|
1015 | pAlfParam->predMethod = uiSymbol; |
---|
1016 | } |
---|
1017 | for(Int idx = 0; idx < pAlfParam->filters_per_group; ++idx) |
---|
1018 | { |
---|
1019 | READ_FLAG (uiSymbol,"alf_nb_pred_luma"); |
---|
1020 | pAlfParam->nbSPred[idx] = uiSymbol; |
---|
1021 | } |
---|
1022 | |
---|
1023 | #if ALF_SINGLE_FILTER_SHAPE |
---|
1024 | Int minScanVal = MIN_SCAN_POS_CROSS; |
---|
1025 | #else |
---|
1026 | Int minScanVal = (pAlfParam->filter_shape == ALF_STAR5x5) ? 0: MIN_SCAN_POS_CROSS; |
---|
1027 | #endif |
---|
1028 | |
---|
1029 | // Determine maxScanVal |
---|
1030 | Int maxScanVal = 0; |
---|
1031 | Int *pDepthInt = pDepthIntTabShapes[pAlfParam->filter_shape]; |
---|
1032 | for(Int idx = 0; idx < pAlfParam->num_coeff; idx++) |
---|
1033 | { |
---|
1034 | maxScanVal = max(maxScanVal, pDepthInt[idx]); |
---|
1035 | } |
---|
1036 | |
---|
1037 | // Golomb parameters |
---|
1038 | #if LCU_SYNTAX_ALF |
---|
1039 | if( pAlfParam->filters_per_group > 1 ) |
---|
1040 | { |
---|
1041 | #endif |
---|
1042 | READ_UVLC (uiSymbol, "alf_min_kstart_minus1"); |
---|
1043 | pAlfParam->minKStart = 1 + uiSymbol; |
---|
1044 | |
---|
1045 | Int kMin = pAlfParam->minKStart; |
---|
1046 | |
---|
1047 | for(Int scanPos = minScanVal; scanPos < maxScanVal; scanPos++) |
---|
1048 | { |
---|
1049 | READ_FLAG (uiSymbol, "alf_golomb_index_bit"); |
---|
1050 | pAlfParam->kMinTab[scanPos] = kMin + uiSymbol; |
---|
1051 | kMin = pAlfParam->kMinTab[scanPos]; |
---|
1052 | } |
---|
1053 | #if LCU_SYNTAX_ALF |
---|
1054 | } |
---|
1055 | #endif |
---|
1056 | |
---|
1057 | Int scanPos; |
---|
1058 | for(Int idx = 0; idx < pAlfParam->filters_per_group; ++idx) |
---|
1059 | { |
---|
1060 | for(Int i = 0; i < pAlfParam->num_coeff; i++) |
---|
1061 | { |
---|
1062 | scanPos = pDepthInt[i] - 1; |
---|
1063 | #if LCU_SYNTAX_ALF |
---|
1064 | Int k = (pAlfParam->filters_per_group == 1) ? kTableTabShapes[ALF_CROSS9x7_SQUARE3x3][i] : pAlfParam->kMinTab[scanPos]; |
---|
1065 | pAlfParam->coeffmulti[idx][i] = xGolombDecode(k); |
---|
1066 | #else |
---|
1067 | pAlfParam->coeffmulti[idx][i] = xGolombDecode(pAlfParam->kMinTab[scanPos]); |
---|
1068 | #endif |
---|
1069 | } |
---|
1070 | } |
---|
1071 | #if LCU_SYNTAX_ALF |
---|
1072 | } |
---|
1073 | break; |
---|
1074 | default: |
---|
1075 | { |
---|
1076 | printf("Not a legal component ID for ALF\n"); |
---|
1077 | assert(0); |
---|
1078 | exit(-1); |
---|
1079 | } |
---|
1080 | } |
---|
1081 | #else |
---|
1082 | // filter parameters for chroma |
---|
1083 | READ_UVLC (uiSymbol, "alf_chroma_idc"); |
---|
1084 | pAlfParam->chroma_idc = uiSymbol; |
---|
1085 | |
---|
1086 | if(pAlfParam->chroma_idc) |
---|
1087 | { |
---|
1088 | |
---|
1089 | #if ALF_SINGLE_FILTER_SHAPE |
---|
1090 | pAlfParam->filter_shape_chroma = 0; |
---|
1091 | #else |
---|
1092 | READ_UVLC (uiSymbol, "alf_length_chroma_minus_5_div2"); |
---|
1093 | |
---|
1094 | pAlfParam->filter_shape_chroma = uiSymbol; |
---|
1095 | #endif |
---|
1096 | pAlfParam->num_coeff_chroma = sqrFiltLengthTab[pAlfParam->filter_shape_chroma]; |
---|
1097 | // filter coefficients for chroma |
---|
1098 | for(Int pos=0; pos<pAlfParam->num_coeff_chroma; pos++) |
---|
1099 | { |
---|
1100 | READ_SVLC (iSymbol, "alf_coeff_chroma"); |
---|
1101 | pAlfParam->coeff_chroma[pos] = iSymbol; |
---|
1102 | } |
---|
1103 | } |
---|
1104 | #endif |
---|
1105 | } |
---|
1106 | |
---|
1107 | Int TDecCavlc::xGolombDecode(Int k) |
---|
1108 | { |
---|
1109 | UInt uiSymbol; |
---|
1110 | Int q = -1; |
---|
1111 | Int nr = 0; |
---|
1112 | Int a; |
---|
1113 | |
---|
1114 | uiSymbol = 1; |
---|
1115 | while (uiSymbol) |
---|
1116 | { |
---|
1117 | xReadFlag(uiSymbol); |
---|
1118 | q++; |
---|
1119 | } |
---|
1120 | for(a = 0; a < k; ++a) // read out the sequential log2(M) bits |
---|
1121 | { |
---|
1122 | xReadFlag(uiSymbol); |
---|
1123 | if(uiSymbol) |
---|
1124 | nr += 1 << a; |
---|
1125 | } |
---|
1126 | nr += q << k; |
---|
1127 | if(nr != 0) |
---|
1128 | { |
---|
1129 | xReadFlag(uiSymbol); |
---|
1130 | nr = (uiSymbol)? nr: -nr; |
---|
1131 | } |
---|
1132 | #if ENC_DEC_TRACE |
---|
1133 | fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); |
---|
1134 | fprintf( g_hTrace, "%-40s ge(v) : %d\n", "alf_coeff_luma", nr ); |
---|
1135 | #endif |
---|
1136 | return nr; |
---|
1137 | } |
---|
1138 | |
---|
1139 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
1140 | Void TDecCavlc::parsePPS(TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet) |
---|
1141 | #else |
---|
1142 | Void TDecCavlc::parsePPS(TComPPS* pcPPS) |
---|
1143 | #endif |
---|
1144 | { |
---|
1145 | #if ENC_DEC_TRACE |
---|
1146 | xTracePPSHeader (pcPPS); |
---|
1147 | #endif |
---|
1148 | UInt uiCode; |
---|
1149 | |
---|
1150 | Int iCode; |
---|
1151 | |
---|
1152 | #if !RPS_IN_SPS |
---|
1153 | TComRPSList* rpsList = pcPPS->getRPSList(); |
---|
1154 | #endif |
---|
1155 | READ_UVLC( uiCode, "pic_parameter_set_id"); pcPPS->setPPSId (uiCode); |
---|
1156 | READ_UVLC( uiCode, "seq_parameter_set_id"); pcPPS->setSPSId (uiCode); |
---|
1157 | |
---|
1158 | #if MULTIBITS_DATA_HIDING |
---|
1159 | READ_FLAG ( uiCode, "sign_data_hiding_flag" ); pcPPS->setSignHideFlag( uiCode ); |
---|
1160 | if( pcPPS->getSignHideFlag() ) |
---|
1161 | { |
---|
1162 | READ_CODE( 4, uiCode, "sign_hiding_threshold"); pcPPS->setTSIG(uiCode); |
---|
1163 | } |
---|
1164 | #endif |
---|
1165 | |
---|
1166 | #if CABAC_INIT_FLAG |
---|
1167 | READ_FLAG( uiCode, "cabac_init_present_flag" ); pcPPS->setCabacInitPresentFlag( uiCode ? true : false ); |
---|
1168 | #endif |
---|
1169 | #if !RPS_IN_SPS |
---|
1170 | // RPS is put before entropy_coding_mode_flag |
---|
1171 | // since entropy_coding_mode_flag will probably be removed from the WD |
---|
1172 | TComReferencePictureSet* pcRPS; |
---|
1173 | |
---|
1174 | READ_UVLC( uiCode, "num_short_term_ref_pic_sets" ); |
---|
1175 | rpsList->create(uiCode); |
---|
1176 | |
---|
1177 | for(Int i=0; i< rpsList->getNumberOfReferencePictureSets(); i++) |
---|
1178 | { |
---|
1179 | pcRPS = rpsList->getReferencePictureSet(i); |
---|
1180 | parseShortTermRefPicSet(pcPPS,pcRPS,i); |
---|
1181 | } |
---|
1182 | READ_FLAG( uiCode, "long_term_ref_pics_present_flag" ); pcPPS->setLongTermRefsPresent(uiCode); |
---|
1183 | #endif |
---|
1184 | // entropy_coding_mode_flag |
---|
1185 | // We code the entropy_coding_mode_flag, it's needed for tests. |
---|
1186 | READ_FLAG( uiCode, "entropy_coding_mode_flag" ); pcPPS->setEntropyCodingMode( uiCode ? true : false ); |
---|
1187 | if (pcPPS->getEntropyCodingMode()) |
---|
1188 | { |
---|
1189 | #if !WPP_SIMPLIFICATION |
---|
1190 | READ_UVLC( uiCode, "entropy_coding_synchro" ); pcPPS->setEntropyCodingSynchro( uiCode ); |
---|
1191 | READ_FLAG( uiCode, "cabac_istate_reset" ); pcPPS->setCabacIstateReset( uiCode ? true : false ); |
---|
1192 | #endif |
---|
1193 | #if !TILES_OR_ENTROPY_SYNC_IDC |
---|
1194 | #if !WPP_SIMPLIFICATION |
---|
1195 | if ( pcPPS->getEntropyCodingSynchro() ) |
---|
1196 | #endif |
---|
1197 | { |
---|
1198 | READ_UVLC( uiCode, "num_substreams_minus1" ); pcPPS->setNumSubstreams(uiCode+1); |
---|
1199 | } |
---|
1200 | #endif |
---|
1201 | } |
---|
1202 | #if !H0566_TLA |
---|
1203 | READ_UVLC( uiCode, "num_temporal_layer_switching_point_flags" ); pcPPS->setNumTLayerSwitchingFlags( uiCode ); |
---|
1204 | for ( UInt i = 0; i < pcPPS->getNumTLayerSwitchingFlags(); i++ ) |
---|
1205 | { |
---|
1206 | READ_FLAG( uiCode, "temporal_layer_switching_point_flag" ); pcPPS->setTLayerSwitchingFlag( i, uiCode > 0 ? true : false ); |
---|
1207 | } |
---|
1208 | #endif |
---|
1209 | |
---|
1210 | // num_ref_idx_l0_default_active_minus1 |
---|
1211 | // num_ref_idx_l1_default_active_minus1 |
---|
1212 | READ_SVLC(iCode, "pic_init_qp_minus26" ); pcPPS->setPicInitQPMinus26(iCode); |
---|
1213 | READ_FLAG( uiCode, "constrained_intra_pred_flag" ); pcPPS->setConstrainedIntraPred( uiCode ? true : false ); |
---|
1214 | READ_FLAG( uiCode, "enable_temporal_mvp_flag" ); pcPPS->setEnableTMVPFlag( uiCode ? true : false ); |
---|
1215 | READ_CODE( 2, uiCode, "slice_granularity" ); pcPPS->setSliceGranularity(uiCode); |
---|
1216 | |
---|
1217 | // alf_param() ? |
---|
1218 | |
---|
1219 | READ_UVLC( uiCode, "max_cu_qp_delta_depth"); |
---|
1220 | if(uiCode == 0) |
---|
1221 | { |
---|
1222 | pcPPS->setUseDQP (false); |
---|
1223 | pcPPS->setMaxCuDQPDepth( 0 ); |
---|
1224 | } |
---|
1225 | else |
---|
1226 | { |
---|
1227 | pcPPS->setUseDQP (true); |
---|
1228 | pcPPS->setMaxCuDQPDepth(uiCode - 1); |
---|
1229 | } |
---|
1230 | |
---|
1231 | READ_SVLC( iCode, "chroma_qp_offset"); |
---|
1232 | pcPPS->setChromaQpOffset(iCode); |
---|
1233 | |
---|
1234 | READ_SVLC( iCode, "chroma_qp_offset_2nd"); |
---|
1235 | pcPPS->setChromaQpOffset2nd(iCode); |
---|
1236 | |
---|
1237 | READ_FLAG( uiCode, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) |
---|
1238 | pcPPS->setUseWP( uiCode==1 ); |
---|
1239 | READ_CODE( 2, uiCode, "weighted_bipred_idc" ); // Use of Bi-Directional Weighting Prediction (B_SLICE) |
---|
1240 | pcPPS->setWPBiPredIdc( uiCode ); |
---|
1241 | //printf("TDecCavlc::parsePPS():\tm_bUseWeightPred=%d\tm_uiBiPredIdc=%d\n", pcPPS->getUseWP(), pcPPS->getWPBiPredIdc()); |
---|
1242 | |
---|
1243 | #if H0388 |
---|
1244 | READ_FLAG( uiCode, "output_flag_present_flag" ); |
---|
1245 | pcPPS->setOutputFlagPresentFlag( uiCode==1 ); |
---|
1246 | #endif |
---|
1247 | |
---|
1248 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
1249 | if(parameterSet->getPrefetchedSPS(pcPPS->getSPSId())->getTilesOrEntropyCodingSyncIdc()==1) |
---|
1250 | { |
---|
1251 | #endif |
---|
1252 | READ_FLAG ( uiCode, "tile_info_present_flag" ); |
---|
1253 | pcPPS->setColumnRowInfoPresent(uiCode); |
---|
1254 | READ_FLAG ( uiCode, "tile_control_present_flag" ); |
---|
1255 | pcPPS->setTileBehaviorControlPresentFlag(uiCode); |
---|
1256 | if( pcPPS->getColumnRowInfoPresent() == 1 ) |
---|
1257 | { |
---|
1258 | READ_UVLC ( uiCode, "num_tile_columns_minus1" ); |
---|
1259 | pcPPS->setNumColumnsMinus1( uiCode ); |
---|
1260 | READ_UVLC ( uiCode, "num_tile_rows_minus1" ); |
---|
1261 | pcPPS->setNumRowsMinus1( uiCode ); |
---|
1262 | READ_FLAG ( uiCode, "uniform_spacing_flag" ); |
---|
1263 | pcPPS->setUniformSpacingIdr( uiCode ); |
---|
1264 | |
---|
1265 | if( pcPPS->getUniformSpacingIdr() == 0 ) |
---|
1266 | { |
---|
1267 | UInt* columnWidth = (UInt*)malloc(pcPPS->getNumColumnsMinus1()*sizeof(UInt)); |
---|
1268 | for(UInt i=0; i<pcPPS->getNumColumnsMinus1(); i++) |
---|
1269 | { |
---|
1270 | READ_UVLC( uiCode, "column_width" ); |
---|
1271 | columnWidth[i] = uiCode; |
---|
1272 | } |
---|
1273 | pcPPS->setColumnWidth(columnWidth); |
---|
1274 | free(columnWidth); |
---|
1275 | |
---|
1276 | UInt* rowHeight = (UInt*)malloc(pcPPS->getNumRowsMinus1()*sizeof(UInt)); |
---|
1277 | for(UInt i=0; i<pcPPS->getNumRowsMinus1(); i++) |
---|
1278 | { |
---|
1279 | READ_UVLC( uiCode, "row_height" ); |
---|
1280 | rowHeight[i] = uiCode; |
---|
1281 | } |
---|
1282 | pcPPS->setRowHeight(rowHeight); |
---|
1283 | free(rowHeight); |
---|
1284 | } |
---|
1285 | } |
---|
1286 | |
---|
1287 | |
---|
1288 | if(pcPPS->getTileBehaviorControlPresentFlag() == 1) |
---|
1289 | { |
---|
1290 | Int iNumColTilesMinus1 = (pcPPS->getColumnRowInfoPresent() == 1)?(pcPPS->getNumColumnsMinus1()):(pcPPS->getSPS()->getNumColumnsMinus1()); |
---|
1291 | Int iNumRowTilesMinus1 = (pcPPS->getColumnRowInfoPresent() == 1)?(pcPPS->getNumColumnsMinus1()):(pcPPS->getSPS()->getNumRowsMinus1()); |
---|
1292 | #if !REMOVE_TILE_DEPENDENCE |
---|
1293 | pcPPS->setTileBoundaryIndependenceIdr( 1 ); //default |
---|
1294 | #endif |
---|
1295 | pcPPS->setLFCrossTileBoundaryFlag(true); //default |
---|
1296 | |
---|
1297 | if(iNumColTilesMinus1 !=0 || iNumRowTilesMinus1 !=0) |
---|
1298 | { |
---|
1299 | #if !REMOVE_TILE_DEPENDENCE |
---|
1300 | READ_FLAG ( uiCode, "tile_boundary_independence_flag" ); |
---|
1301 | pcPPS->setTileBoundaryIndependenceIdr( uiCode ); |
---|
1302 | |
---|
1303 | if(pcPPS->getTileBoundaryIndependenceIdr() == 1) |
---|
1304 | { |
---|
1305 | #endif |
---|
1306 | READ_FLAG ( uiCode, "loop_filter_across_tile_flag" ); |
---|
1307 | pcPPS->setLFCrossTileBoundaryFlag( (uiCode == 1)?true:false ); |
---|
1308 | #if !REMOVE_TILE_DEPENDENCE |
---|
1309 | } |
---|
1310 | #endif |
---|
1311 | } |
---|
1312 | } |
---|
1313 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
1314 | } |
---|
1315 | else if(parameterSet->getPrefetchedSPS(pcPPS->getSPSId())->getTilesOrEntropyCodingSyncIdc()==2) |
---|
1316 | { |
---|
1317 | READ_UVLC( uiCode, "num_substreams_minus1" ); pcPPS->setNumSubstreams(uiCode+1); |
---|
1318 | } |
---|
1319 | #endif |
---|
1320 | |
---|
1321 | #if DBL_CONTROL |
---|
1322 | READ_FLAG( uiCode, "deblocking_filter_control_present_flag" ); |
---|
1323 | pcPPS->setDeblockingFilterControlPresent( uiCode ? true : false); |
---|
1324 | #endif |
---|
1325 | #if PARALLEL_MERGE |
---|
1326 | READ_UVLC( uiCode, "log2_parallel_merge_level_minus2"); |
---|
1327 | assert(uiCode == LOG2_PARALLEL_MERGE_LEVEL_MINUS2); |
---|
1328 | pcPPS->setLog2ParallelMergeLevelMinus2 (uiCode); |
---|
1329 | #endif |
---|
1330 | |
---|
1331 | READ_FLAG( uiCode, "pps_extension_flag"); |
---|
1332 | if (uiCode) |
---|
1333 | { |
---|
1334 | while ( xMoreRbspData() ) |
---|
1335 | { |
---|
1336 | READ_FLAG( uiCode, "pps_extension_data_flag"); |
---|
1337 | } |
---|
1338 | } |
---|
1339 | } |
---|
1340 | |
---|
1341 | #if VIDYO_VPS_INTEGRATION |
---|
1342 | Void TDecCavlc::parseVPS(TComVPS* pcVPS) |
---|
1343 | { |
---|
1344 | UInt uiCode; |
---|
1345 | Int iCode; |
---|
1346 | |
---|
1347 | READ_CODE( 3, uiCode, "max_temporal_layers_minus1" ); pcVPS->setMaxTLayers( uiCode + 1 ); |
---|
1348 | READ_CODE( 5, uiCode, "max_layers_minus1" ); pcVPS->setMaxLayers( uiCode + 1 ); |
---|
1349 | READ_FLAG( uiCode, "temporal_id_nesting_flag" ); pcVPS->setTemporalNestingFlag( uiCode ? true:false ); |
---|
1350 | READ_UVLC( uiCode, "video_parameter_set_id" ); pcVPS->setVPSId( uiCode ); |
---|
1351 | for(UInt i = 0; i <= pcVPS->getMaxTLayers()-1; i++) |
---|
1352 | { |
---|
1353 | READ_UVLC( uiCode, "max_dec_pic_buffering[i]" ); pcVPS->setMaxDecPicBuffering( uiCode, i ); |
---|
1354 | READ_UVLC( uiCode, "num_reorder_pics[i]" ); pcVPS->setNumReorderPics( uiCode, i ); |
---|
1355 | READ_UVLC( uiCode, "max_latency_increase[i]" ); pcVPS->setMaxLatencyIncrease( uiCode, i ); |
---|
1356 | } |
---|
1357 | |
---|
1358 | READ_CODE( 1, uiCode, "bit_equal_to_one" ); assert( uiCode ); |
---|
1359 | |
---|
1360 | if( pcVPS->getMaxLayers() - 1 > 0 ) |
---|
1361 | { |
---|
1362 | READ_UVLC( uiCode, "extension_type" ); pcVPS->setExtensionType( uiCode ); |
---|
1363 | |
---|
1364 | pcVPS->setViewOrderIdx( 0, 0 ); |
---|
1365 | pcVPS->setViewId( 0, 0 ); |
---|
1366 | pcVPS->setDepthFlag( 0, 0 ); |
---|
1367 | for(UInt i = 1; i <= pcVPS->getMaxLayers()-1; i++) |
---|
1368 | { |
---|
1369 | READ_FLAG( uiCode, "dependent_flag[i]" ); pcVPS->setDependentFlag( uiCode ? true:false, i); |
---|
1370 | if( pcVPS->getDependentFlag(i) ) |
---|
1371 | { |
---|
1372 | READ_UVLC( uiCode, "delta_reference_layer_id_minus1[i]" ); pcVPS->setDependentLayer( i - uiCode + 1, i ); |
---|
1373 | if( pcVPS->getExtensionType() == VPS_EXTENSION_TYPE_MULTI_VIEW ) |
---|
1374 | { |
---|
1375 | READ_UVLC( uiCode, "view_id[i]" ); pcVPS->setViewId( uiCode, i ); |
---|
1376 | READ_FLAG( uiCode, "depth_flag[i]" ); pcVPS->setDepthFlag( uiCode ? true:false, i ); |
---|
1377 | READ_SVLC( iCode, "view_order_idx[i]" ); pcVPS->setViewOrderIdx( iCode, i ); |
---|
1378 | } |
---|
1379 | |
---|
1380 | } |
---|
1381 | } |
---|
1382 | } |
---|
1383 | |
---|
1384 | READ_FLAG( uiCode, "vps_extension_flag" ); assert(!uiCode); |
---|
1385 | //future extensions go here.. |
---|
1386 | |
---|
1387 | return; |
---|
1388 | } |
---|
1389 | |
---|
1390 | #endif |
---|
1391 | |
---|
1392 | #if HHI_MPI |
---|
1393 | Void TDecCavlc::parseSPS(TComSPS* pcSPS, Bool bIsDepth) |
---|
1394 | #else |
---|
1395 | Void TDecCavlc::parseSPS(TComSPS* pcSPS) |
---|
1396 | #endif |
---|
1397 | { |
---|
1398 | #if ENC_DEC_TRACE |
---|
1399 | xTraceSPSHeader (pcSPS); |
---|
1400 | #endif |
---|
1401 | |
---|
1402 | UInt uiCode; |
---|
1403 | Int iCode; |
---|
1404 | |
---|
1405 | READ_CODE( 8, uiCode, "profile_idc" ); pcSPS->setProfileIdc( uiCode ); |
---|
1406 | READ_CODE( 8, uiCode, "reserved_zero_8bits" ); |
---|
1407 | READ_CODE( 8, uiCode, "level_idc" ); pcSPS->setLevelIdc( uiCode ); |
---|
1408 | READ_UVLC( uiCode, "seq_parameter_set_id" ); pcSPS->setSPSId( uiCode ); |
---|
1409 | #if VIDYO_VPS_INTEGRATION |
---|
1410 | READ_UVLC( uiCode, "video_parameter_set_id" ); pcSPS->setVPSId( uiCode ); |
---|
1411 | #endif |
---|
1412 | READ_UVLC( uiCode, "chroma_format_idc" ); pcSPS->setChromaFormatIdc( uiCode ); |
---|
1413 | READ_CODE( 3, uiCode, "max_temporal_layers_minus1" ); pcSPS->setMaxTLayers( uiCode+1 ); |
---|
1414 | READ_UVLC ( uiCode, "pic_width_in_luma_samples" ); pcSPS->setPicWidthInLumaSamples ( uiCode ); |
---|
1415 | READ_UVLC ( uiCode, "pic_height_in_luma_samples" ); pcSPS->setPicHeightInLumaSamples( uiCode ); |
---|
1416 | #if PIC_CROPPING |
---|
1417 | READ_FLAG( uiCode, "pic_cropping_flag"); pcSPS->setPicCroppingFlag ( uiCode ? true : false ); |
---|
1418 | if (uiCode != 0) |
---|
1419 | { |
---|
1420 | READ_UVLC( uiCode, "pic_crop_left_offset" ); pcSPS->setPicCropLeftOffset( uiCode ); |
---|
1421 | READ_UVLC( uiCode, "pic_crop_right_offset" ); pcSPS->setPicCropRightOffset( uiCode ); |
---|
1422 | READ_UVLC( uiCode, "pic_crop_top_offset" ); pcSPS->setPicCropTopOffset( uiCode ); |
---|
1423 | READ_UVLC( uiCode, "pic_crop_bottom_offset" ); pcSPS->setPicCropBottomOffset( uiCode ); |
---|
1424 | } |
---|
1425 | #endif |
---|
1426 | |
---|
1427 | #if FULL_NBIT |
---|
1428 | READ_UVLC( uiCode, "bit_depth_luma_minus8" ); |
---|
1429 | g_uiBitDepth = 8 + uiCode; |
---|
1430 | g_uiBitIncrement = 0; |
---|
1431 | pcSPS->setBitDepth(g_uiBitDepth); |
---|
1432 | pcSPS->setBitIncrement(g_uiBitIncrement); |
---|
1433 | #else |
---|
1434 | READ_UVLC( uiCode, "bit_depth_luma_minus8" ); |
---|
1435 | g_uiBitDepth = 8; |
---|
1436 | g_uiBitIncrement = uiCode; |
---|
1437 | pcSPS->setBitDepth(g_uiBitDepth); |
---|
1438 | pcSPS->setBitIncrement(g_uiBitIncrement); |
---|
1439 | #endif |
---|
1440 | |
---|
1441 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
1442 | g_iDeltaDCsQuantOffset = g_uiBitIncrement - 2; |
---|
1443 | #endif |
---|
1444 | |
---|
1445 | #if H0736_AVC_STYLE_QP_RANGE |
---|
1446 | pcSPS->setQpBDOffsetY( (Int) (6*uiCode) ); |
---|
1447 | #endif |
---|
1448 | |
---|
1449 | g_uiBASE_MAX = ((1<<(g_uiBitDepth))-1); |
---|
1450 | |
---|
1451 | #if IBDI_NOCLIP_RANGE |
---|
1452 | g_uiIBDI_MAX = g_uiBASE_MAX << g_uiBitIncrement; |
---|
1453 | #else |
---|
1454 | g_uiIBDI_MAX = ((1<<(g_uiBitDepth+g_uiBitIncrement))-1); |
---|
1455 | #endif |
---|
1456 | READ_UVLC( uiCode, "bit_depth_chroma_minus8" ); |
---|
1457 | #if H0736_AVC_STYLE_QP_RANGE |
---|
1458 | pcSPS->setQpBDOffsetC( (Int) (6*uiCode) ); |
---|
1459 | #endif |
---|
1460 | |
---|
1461 | READ_FLAG( uiCode, "pcm_enabled_flag" ); pcSPS->setUsePCM( uiCode ? true : false ); |
---|
1462 | |
---|
1463 | if( pcSPS->getUsePCM() ) |
---|
1464 | { |
---|
1465 | READ_CODE( 4, uiCode, "pcm_bit_depth_luma_minus1" ); pcSPS->setPCMBitDepthLuma ( 1 + uiCode ); |
---|
1466 | READ_CODE( 4, uiCode, "pcm_bit_depth_chroma_minus1" ); pcSPS->setPCMBitDepthChroma ( 1 + uiCode ); |
---|
1467 | } |
---|
1468 | |
---|
1469 | #if LOSSLESS_CODING |
---|
1470 | READ_FLAG( uiCode, "qpprime_y_zero_transquant_bypass_flag" ); pcSPS->setUseLossless ( uiCode ? true : false ); |
---|
1471 | #endif |
---|
1472 | |
---|
1473 | READ_UVLC( uiCode, "log2_max_pic_order_cnt_lsb_minus4" ); pcSPS->setBitsForPOC( 4 + uiCode ); |
---|
1474 | #if H0567_DPB_PARAMETERS_PER_TEMPORAL_LAYER |
---|
1475 | for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) |
---|
1476 | { |
---|
1477 | READ_UVLC ( uiCode, "max_dec_pic_buffering"); |
---|
1478 | pcSPS->setMaxDecPicBuffering( uiCode, i); |
---|
1479 | READ_UVLC ( uiCode, "num_reorder_pics" ); |
---|
1480 | pcSPS->setNumReorderPics(uiCode, i); |
---|
1481 | READ_UVLC ( uiCode, "max_latency_increase"); |
---|
1482 | pcSPS->setMaxLatencyIncrease( uiCode, i ); |
---|
1483 | } |
---|
1484 | #else |
---|
1485 | READ_UVLC( uiCode, "max_num_ref_pics" ); pcSPS->setMaxNumberOfReferencePictures(uiCode); |
---|
1486 | READ_UVLC( uiCode, "num_reorder_frames" ); pcSPS->setNumReorderFrames(uiCode); |
---|
1487 | READ_UVLC ( uiCode, "max_dec_frame_buffering"); |
---|
1488 | pcSPS->setMaxDecFrameBuffering( uiCode ); |
---|
1489 | READ_UVLC ( uiCode, "max_latency_increase"); |
---|
1490 | pcSPS->setMaxLatencyIncrease( uiCode ); |
---|
1491 | #endif |
---|
1492 | |
---|
1493 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
1494 | READ_FLAG( uiCode, "restricted_ref_pic_lists_flag" ); |
---|
1495 | pcSPS->setRestrictedRefPicListsFlag( uiCode ); |
---|
1496 | if( pcSPS->getRestrictedRefPicListsFlag() ) |
---|
1497 | { |
---|
1498 | READ_FLAG( uiCode, "lists_modification_present_flag" ); |
---|
1499 | pcSPS->setListsModificationPresentFlag(uiCode); |
---|
1500 | } |
---|
1501 | else |
---|
1502 | { |
---|
1503 | pcSPS->setListsModificationPresentFlag(true); |
---|
1504 | } |
---|
1505 | #endif |
---|
1506 | READ_UVLC( uiCode, "log2_min_coding_block_size_minus3" ); |
---|
1507 | UInt log2MinCUSize = uiCode + 3; |
---|
1508 | READ_UVLC( uiCode, "log2_diff_max_min_coding_block_size" ); |
---|
1509 | UInt uiMaxCUDepthCorrect = uiCode; |
---|
1510 | pcSPS->setMaxCUWidth ( 1<<(log2MinCUSize + uiMaxCUDepthCorrect) ); g_uiMaxCUWidth = 1<<(log2MinCUSize + uiMaxCUDepthCorrect); |
---|
1511 | pcSPS->setMaxCUHeight ( 1<<(log2MinCUSize + uiMaxCUDepthCorrect) ); g_uiMaxCUHeight = 1<<(log2MinCUSize + uiMaxCUDepthCorrect); |
---|
1512 | READ_UVLC( uiCode, "log2_min_transform_block_size_minus2" ); pcSPS->setQuadtreeTULog2MinSize( uiCode + 2 ); |
---|
1513 | |
---|
1514 | READ_UVLC( uiCode, "log2_diff_max_min_transform_block_size" ); pcSPS->setQuadtreeTULog2MaxSize( uiCode + pcSPS->getQuadtreeTULog2MinSize() ); |
---|
1515 | pcSPS->setMaxTrSize( 1<<(uiCode + pcSPS->getQuadtreeTULog2MinSize()) ); |
---|
1516 | |
---|
1517 | if(log2MinCUSize == 3) |
---|
1518 | { |
---|
1519 | xReadFlag( uiCode ); pcSPS->setDisInter4x4( uiCode ? true : false ); |
---|
1520 | } |
---|
1521 | |
---|
1522 | if( pcSPS->getUsePCM() ) |
---|
1523 | { |
---|
1524 | READ_UVLC( uiCode, "log2_min_pcm_coding_block_size_minus3" ); pcSPS->setPCMLog2MinSize (uiCode+3); |
---|
1525 | READ_UVLC( uiCode, "log2_diff_max_min_pcm_coding_block_size" ); pcSPS->setPCMLog2MaxSize ( uiCode+pcSPS->getPCMLog2MinSize() ); |
---|
1526 | } |
---|
1527 | |
---|
1528 | READ_UVLC( uiCode, "max_transform_hierarchy_depth_inter" ); pcSPS->setQuadtreeTUMaxDepthInter( uiCode+1 ); |
---|
1529 | READ_UVLC( uiCode, "max_transform_hierarchy_depth_intra" ); pcSPS->setQuadtreeTUMaxDepthIntra( uiCode+1 ); |
---|
1530 | g_uiAddCUDepth = 0; |
---|
1531 | while( ( pcSPS->getMaxCUWidth() >> uiMaxCUDepthCorrect ) > ( 1 << ( pcSPS->getQuadtreeTULog2MinSize() + g_uiAddCUDepth ) ) ) |
---|
1532 | { |
---|
1533 | g_uiAddCUDepth++; |
---|
1534 | } |
---|
1535 | pcSPS->setMaxCUDepth( uiMaxCUDepthCorrect+g_uiAddCUDepth ); |
---|
1536 | g_uiMaxCUDepth = uiMaxCUDepthCorrect+g_uiAddCUDepth; |
---|
1537 | // BB: these parameters may be removed completly and replaced by the fixed values |
---|
1538 | pcSPS->setMinTrDepth( 0 ); |
---|
1539 | pcSPS->setMaxTrDepth( 1 ); |
---|
1540 | READ_FLAG( uiCode, "scaling_list_enabled_flag" ); pcSPS->setScalingListFlag ( uiCode ); |
---|
1541 | READ_FLAG( uiCode, "chroma_pred_from_luma_enabled_flag" ); pcSPS->setUseLMChroma ( uiCode ? true : false ); |
---|
1542 | READ_FLAG( uiCode, "deblocking_filter_in_aps_enabled_flag" ); pcSPS->setUseDF ( uiCode ? true : false ); |
---|
1543 | READ_FLAG( uiCode, "loop_filter_across_slice_flag" ); pcSPS->setLFCrossSliceBoundaryFlag( uiCode ? true : false); |
---|
1544 | READ_FLAG( uiCode, "asymmetric_motion_partitions_enabled_flag" ); pcSPS->setUseAMP( uiCode ); |
---|
1545 | READ_FLAG( uiCode, "non_square_quadtree_enabled_flag" ); pcSPS->setUseNSQT( uiCode ); |
---|
1546 | READ_FLAG( uiCode, "sample_adaptive_offset_enabled_flag" ); pcSPS->setUseSAO ( uiCode ? true : false ); |
---|
1547 | READ_FLAG( uiCode, "adaptive_loop_filter_enabled_flag" ); pcSPS->setUseALF ( uiCode ? true : false ); |
---|
1548 | #if LCU_SYNTAX_ALF |
---|
1549 | if(pcSPS->getUseALF()) |
---|
1550 | { |
---|
1551 | READ_FLAG( uiCode, "alf_coef_in_slice_flag" ); pcSPS->setUseALFCoefInSlice ( uiCode ? true : false ); |
---|
1552 | } |
---|
1553 | #endif |
---|
1554 | if( pcSPS->getUsePCM() ) |
---|
1555 | { |
---|
1556 | READ_FLAG( uiCode, "pcm_loop_filter_disable_flag" ); pcSPS->setPCMFilterDisableFlag ( uiCode ? true : false ); |
---|
1557 | } |
---|
1558 | |
---|
1559 | READ_FLAG( uiCode, "temporal_id_nesting_flag" ); pcSPS->setTemporalIdNestingFlag ( uiCode > 0 ? true : false ); |
---|
1560 | |
---|
1561 | |
---|
1562 | #if RPS_IN_SPS |
---|
1563 | TComRPSList* rpsList = pcSPS->getRPSList(); |
---|
1564 | TComReferencePictureSet* rps; |
---|
1565 | |
---|
1566 | READ_UVLC( uiCode, "num_short_term_ref_pic_sets" ); |
---|
1567 | rpsList->create(uiCode); |
---|
1568 | |
---|
1569 | for(UInt i=0; i< rpsList->getNumberOfReferencePictureSets(); i++) |
---|
1570 | { |
---|
1571 | rps = rpsList->getReferencePictureSet(i); |
---|
1572 | parseShortTermRefPicSet(pcSPS,rps,i); |
---|
1573 | } |
---|
1574 | READ_FLAG( uiCode, "long_term_ref_pics_present_flag" ); pcSPS->setLongTermRefsPresent(uiCode); |
---|
1575 | #endif |
---|
1576 | #if !PIC_CROPPING |
---|
1577 | //!!!KS: Syntax not in WD !!! |
---|
1578 | |
---|
1579 | xReadUvlc ( uiCode ); pcSPS->setPadX ( uiCode ); |
---|
1580 | xReadUvlc ( uiCode ); pcSPS->setPadY ( uiCode ); |
---|
1581 | #endif |
---|
1582 | |
---|
1583 | // AMVP mode for each depth (AM_NONE or AM_EXPL) |
---|
1584 | for (Int i = 0; i < pcSPS->getMaxCUDepth(); i++) |
---|
1585 | { |
---|
1586 | xReadFlag( uiCode ); |
---|
1587 | pcSPS->setAMVPMode( i, (AMVP_MODE)uiCode ); |
---|
1588 | } |
---|
1589 | |
---|
1590 | #if TILES_WPP_ENTRY_POINT_SIGNALLING |
---|
1591 | READ_CODE(2, uiCode, "tiles_or_entropy_coding_sync_idc"); pcSPS->setTilesOrEntropyCodingSyncIdc(uiCode); |
---|
1592 | #endif |
---|
1593 | |
---|
1594 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
1595 | if(pcSPS->getTilesOrEntropyCodingSyncIdc() == 1) |
---|
1596 | { |
---|
1597 | #endif |
---|
1598 | READ_UVLC ( uiCode, "num_tile_columns_minus1" ); |
---|
1599 | pcSPS->setNumColumnsMinus1( uiCode ); |
---|
1600 | READ_UVLC ( uiCode, "num_tile_rows_minus1" ); |
---|
1601 | pcSPS->setNumRowsMinus1( uiCode ); |
---|
1602 | READ_FLAG ( uiCode, "uniform_spacing_flag" ); |
---|
1603 | pcSPS->setUniformSpacingIdr( uiCode ); |
---|
1604 | if( pcSPS->getUniformSpacingIdr() == 0 ) |
---|
1605 | { |
---|
1606 | UInt* columnWidth = (UInt*)malloc(pcSPS->getNumColumnsMinus1()*sizeof(UInt)); |
---|
1607 | for(UInt i=0; i<pcSPS->getNumColumnsMinus1(); i++) |
---|
1608 | { |
---|
1609 | READ_UVLC( uiCode, "column_width" ); |
---|
1610 | columnWidth[i] = uiCode; |
---|
1611 | } |
---|
1612 | pcSPS->setColumnWidth(columnWidth); |
---|
1613 | free(columnWidth); |
---|
1614 | |
---|
1615 | UInt* rowHeight = (UInt*)malloc(pcSPS->getNumRowsMinus1()*sizeof(UInt)); |
---|
1616 | for(UInt i=0; i<pcSPS->getNumRowsMinus1(); i++) |
---|
1617 | { |
---|
1618 | READ_UVLC( uiCode, "row_height" ); |
---|
1619 | rowHeight[i] = uiCode; |
---|
1620 | } |
---|
1621 | pcSPS->setRowHeight(rowHeight); |
---|
1622 | free(rowHeight); |
---|
1623 | } |
---|
1624 | #if !REMOVE_TILE_DEPENDENCE |
---|
1625 | pcSPS->setTileBoundaryIndependenceIdr( 1 ); //default |
---|
1626 | #endif |
---|
1627 | pcSPS->setLFCrossTileBoundaryFlag(true); //default |
---|
1628 | |
---|
1629 | if( pcSPS->getNumColumnsMinus1() !=0 || pcSPS->getNumRowsMinus1() != 0) |
---|
1630 | { |
---|
1631 | #if !REMOVE_TILE_DEPENDENCE |
---|
1632 | READ_FLAG ( uiCode, "tile_boundary_independence_flag" ); |
---|
1633 | pcSPS->setTileBoundaryIndependenceIdr( uiCode ); |
---|
1634 | if(pcSPS->getTileBoundaryIndependenceIdr() == 1) |
---|
1635 | { |
---|
1636 | #endif |
---|
1637 | READ_FLAG ( uiCode, "loop_filter_across_tile_flag" ); |
---|
1638 | pcSPS->setLFCrossTileBoundaryFlag( (uiCode==1)?true:false); |
---|
1639 | #if !REMOVE_TILE_DEPENDENCE |
---|
1640 | } |
---|
1641 | #endif |
---|
1642 | } |
---|
1643 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
1644 | } |
---|
1645 | #endif |
---|
1646 | READ_FLAG( uiCode, "sps_extension_flag"); |
---|
1647 | if(uiCode) |
---|
1648 | { |
---|
1649 | READ_FLAG( uiCode, "interview_refs_present_flag"); |
---|
1650 | if(uiCode) |
---|
1651 | { |
---|
1652 | READ_UVLC( uiCode, "num_usable_interview_refs_minus1" ); |
---|
1653 | pcSPS->setNumberOfUsableInterViewRefs( uiCode + 1 ); |
---|
1654 | |
---|
1655 | Int prev = 0; |
---|
1656 | for( Int j = 0 ; j < pcSPS->getNumberOfUsableInterViewRefs(); j++ ) |
---|
1657 | { |
---|
1658 | READ_UVLC(uiCode, "delta_usable_interview_ref_minus1"); |
---|
1659 | pcSPS->setUsableInterViewRef( j, (prev - uiCode - 1) ); |
---|
1660 | prev = pcSPS->getUsableInterViewRef( j ); |
---|
1661 | } |
---|
1662 | } |
---|
1663 | |
---|
1664 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
1665 | READ_FLAG( uiCode, "enable_dmm_flag" ); |
---|
1666 | pcSPS->setUseDMM( uiCode ); |
---|
1667 | #endif |
---|
1668 | |
---|
1669 | #if HHI_MPI |
---|
1670 | if( bIsDepth ) |
---|
1671 | { |
---|
1672 | READ_FLAG( uiCode, "use_mvi_flag" ); |
---|
1673 | pcSPS->setUseMVI( uiCode ); |
---|
1674 | } |
---|
1675 | #endif |
---|
1676 | #if OL_QTLIMIT_PREDCODING_B0068 |
---|
1677 | if( bIsDepth ) |
---|
1678 | { |
---|
1679 | READ_FLAG( uiCode, "use_qtlpc_flag" ); |
---|
1680 | pcSPS->setUseQTLPC( uiCode ); |
---|
1681 | } |
---|
1682 | #endif |
---|
1683 | |
---|
1684 | #if RWTH_SDC_DLT_B0036 |
---|
1685 | if( bIsDepth ) |
---|
1686 | { |
---|
1687 | READ_FLAG( uiCode, "use_dlt_flag" ); |
---|
1688 | pcSPS->setUseDLT( uiCode ); |
---|
1689 | if( pcSPS->getUseDLT() ) |
---|
1690 | { |
---|
1691 | // decode mapping |
---|
1692 | UInt uiNumDepthValues; |
---|
1693 | // parse number of values in DLT |
---|
1694 | xReadUvlc( uiNumDepthValues ); |
---|
1695 | |
---|
1696 | // parse actual DLT values |
---|
1697 | UInt* auiIdx2DepthValue = (UInt*) calloc(uiNumDepthValues, sizeof(UInt)); |
---|
1698 | for(UInt d=0; d<uiNumDepthValues; d++) |
---|
1699 | { |
---|
1700 | xReadUvlc( uiCode ); |
---|
1701 | auiIdx2DepthValue[d] = uiCode; |
---|
1702 | } |
---|
1703 | |
---|
1704 | pcSPS->setDepthLUTs(auiIdx2DepthValue, uiNumDepthValues); |
---|
1705 | |
---|
1706 | // clean memory |
---|
1707 | free(auiIdx2DepthValue); |
---|
1708 | } |
---|
1709 | else |
---|
1710 | pcSPS->setDepthLUTs(); |
---|
1711 | } |
---|
1712 | #endif |
---|
1713 | |
---|
1714 | READ_FLAG( uiCode, "base_view_flag" ); |
---|
1715 | if( uiCode ) |
---|
1716 | { // baseview SPS -> set standard values |
---|
1717 | pcSPS->initMultiviewSPS ( 0 ); |
---|
1718 | #if DEPTH_MAP_GENERATION |
---|
1719 | pcSPS->setPredDepthMapGeneration( 0, false ); |
---|
1720 | #endif |
---|
1721 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
1722 | pcSPS->setMultiviewResPredMode ( 0 ); |
---|
1723 | #endif |
---|
1724 | } |
---|
1725 | else |
---|
1726 | { |
---|
1727 | READ_FLAG( uiCode, "depth_flag" ); |
---|
1728 | if( uiCode ) |
---|
1729 | { |
---|
1730 | READ_UVLC( uiCode, "view_id" ); |
---|
1731 | READ_SVLC( iCode, "view_order_idx" ); |
---|
1732 | pcSPS->initMultiviewSPSDepth ( uiCode, iCode ); |
---|
1733 | #if DEPTH_MAP_GENERATION |
---|
1734 | pcSPS->setPredDepthMapGeneration( uiCode, true ); |
---|
1735 | #endif |
---|
1736 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
1737 | pcSPS->setMultiviewResPredMode ( 0 ); |
---|
1738 | #endif |
---|
1739 | } |
---|
1740 | else |
---|
1741 | { |
---|
1742 | UInt uiViewId, uiCamParPrecision; |
---|
1743 | Int iVOI; |
---|
1744 | Bool bCamParSlice; |
---|
1745 | READ_UVLC( uiViewId, "view_id" ); uiViewId++; |
---|
1746 | READ_SVLC( iVOI, "view_order_idx" ); |
---|
1747 | READ_UVLC( uiCamParPrecision, "camera_parameter_precision" ); |
---|
1748 | READ_FLAG( uiCode, "camera_parameter_in_slice_header" ); bCamParSlice = ( uiCode == 1 ); |
---|
1749 | if( !bCamParSlice ) |
---|
1750 | { |
---|
1751 | for( UInt uiBaseId = 0; uiBaseId < uiViewId; uiBaseId++ ) |
---|
1752 | { |
---|
1753 | READ_SVLC( iCode, "coded_scale" ); m_aaiTempScale [ uiBaseId ][ uiViewId ] = iCode; |
---|
1754 | READ_SVLC( iCode, "coded_offset" ); m_aaiTempOffset[ uiBaseId ][ uiViewId ] = iCode; |
---|
1755 | READ_SVLC( iCode, "inverse_coded_scale_plus_coded_scale" ); m_aaiTempScale [ uiViewId ][ uiBaseId ] = iCode - m_aaiTempScale [ uiBaseId ][ uiViewId ]; |
---|
1756 | READ_SVLC( iCode, "inverse_coded_offset_plus_coded_offset" ); m_aaiTempOffset[ uiViewId ][ uiBaseId ] = iCode - m_aaiTempOffset[ uiBaseId ][ uiViewId ]; |
---|
1757 | } |
---|
1758 | } |
---|
1759 | pcSPS->initMultiviewSPS( uiViewId, iVOI, uiCamParPrecision, bCamParSlice, m_aaiTempScale, m_aaiTempOffset ); |
---|
1760 | |
---|
1761 | #if DEPTH_MAP_GENERATION |
---|
1762 | UInt uiPredDepthMapGeneration = 0, uiPdmPrecision = 0; |
---|
1763 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
1764 | UInt uiMultiviewMvPredMode = 0; |
---|
1765 | #endif |
---|
1766 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
1767 | UInt uiMultiviewResPredMode = 0; |
---|
1768 | #endif |
---|
1769 | READ_UVLC( uiPredDepthMapGeneration, "Pdm_generation" ); |
---|
1770 | if( uiPredDepthMapGeneration ) |
---|
1771 | { |
---|
1772 | READ_UVLC( uiPdmPrecision, "Pdm_precision" ); |
---|
1773 | for( UInt uiBaseId = 0; uiBaseId < uiViewId; uiBaseId++ ) |
---|
1774 | { |
---|
1775 | READ_SVLC( iCode, "Pdm_scale_nom_delta" ); m_aaiTempPdmScaleNomDelta[ uiViewId ][ uiBaseId ] = iCode; |
---|
1776 | READ_SVLC( iCode, "Pdm_offset" ); m_aaiTempPdmOffset [ uiViewId ][ uiBaseId ] = iCode; |
---|
1777 | } |
---|
1778 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
1779 | READ_UVLC( uiMultiviewMvPredMode, "multi_view_mv_pred_mode" ); |
---|
1780 | #endif |
---|
1781 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
1782 | READ_FLAG( uiMultiviewResPredMode, "multi_view_residual_pred_mode" ); |
---|
1783 | #endif |
---|
1784 | } |
---|
1785 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
1786 | pcSPS->setPredDepthMapGeneration( uiViewId, false, uiPredDepthMapGeneration, uiMultiviewMvPredMode, uiPdmPrecision, m_aaiTempPdmScaleNomDelta, m_aaiTempPdmOffset ); |
---|
1787 | #else |
---|
1788 | pcSPS->setPredDepthMapGeneration( uiViewId, false, uiPredDepthMapGeneration, 0, uiPdmPrecision, m_aaiTempPdmScaleNomDelta, m_aaiTempPdmOffset ); |
---|
1789 | #endif |
---|
1790 | #endif |
---|
1791 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
1792 | pcSPS->setMultiviewResPredMode ( uiMultiviewResPredMode ); |
---|
1793 | #endif |
---|
1794 | } |
---|
1795 | } |
---|
1796 | READ_FLAG( uiCode, "sps_extension2_flag"); |
---|
1797 | if (uiCode) |
---|
1798 | { |
---|
1799 | while ( xMoreRbspData() ) |
---|
1800 | { |
---|
1801 | READ_FLAG( uiCode, "sps_extension2_data_flag"); |
---|
1802 | } |
---|
1803 | } |
---|
1804 | } |
---|
1805 | } |
---|
1806 | |
---|
1807 | Void TDecCavlc::readTileMarker ( UInt& uiTileIdx, UInt uiBitsUsed ) |
---|
1808 | { |
---|
1809 | xReadCode ( uiBitsUsed, uiTileIdx ); |
---|
1810 | } |
---|
1811 | |
---|
1812 | #if LCU_SYNTAX_ALF |
---|
1813 | Void TDecCavlc::parseSliceHeader (TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet) |
---|
1814 | #else |
---|
1815 | Void TDecCavlc::parseSliceHeader (TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl) |
---|
1816 | #endif |
---|
1817 | { |
---|
1818 | UInt uiCode; |
---|
1819 | Int iCode; |
---|
1820 | |
---|
1821 | #if ENC_DEC_TRACE |
---|
1822 | xTraceSliceHeader(rpcSlice); |
---|
1823 | #endif |
---|
1824 | Int numCUs = ((rpcSlice->getSPS()->getPicWidthInLumaSamples()+rpcSlice->getSPS()->getMaxCUWidth()-1)/rpcSlice->getSPS()->getMaxCUWidth())*((rpcSlice->getSPS()->getPicHeightInLumaSamples()+rpcSlice->getSPS()->getMaxCUHeight()-1)/rpcSlice->getSPS()->getMaxCUHeight()); |
---|
1825 | Int maxParts = (1<<(rpcSlice->getSPS()->getMaxCUDepth()<<1)); |
---|
1826 | Int numParts = (1<<(rpcSlice->getPPS()->getSliceGranularity()<<1)); |
---|
1827 | UInt lCUAddress = 0; |
---|
1828 | Int reqBitsOuter = 0; |
---|
1829 | while(numCUs>(1<<reqBitsOuter)) |
---|
1830 | { |
---|
1831 | reqBitsOuter++; |
---|
1832 | } |
---|
1833 | Int reqBitsInner = 0; |
---|
1834 | while((numParts)>(1<<reqBitsInner)) |
---|
1835 | { |
---|
1836 | reqBitsInner++; |
---|
1837 | } |
---|
1838 | |
---|
1839 | READ_FLAG( uiCode, "first_slice_in_pic_flag" ); |
---|
1840 | UInt address; |
---|
1841 | UInt innerAddress = 0; |
---|
1842 | |
---|
1843 | #if LGE_ILLUCOMP_B0045 |
---|
1844 | // IC flag is on only first_slice_in_pic |
---|
1845 | if (uiCode) |
---|
1846 | { |
---|
1847 | UInt uiCodeTmp = 0; |
---|
1848 | if ( rpcSlice->getSPS()->getViewId() && !rpcSlice->getSPS()->isDepth() ) |
---|
1849 | { |
---|
1850 | READ_FLAG (uiCodeTmp, "applying IC flag"); |
---|
1851 | } |
---|
1852 | rpcSlice->setApplyIC(uiCodeTmp); |
---|
1853 | } |
---|
1854 | #endif |
---|
1855 | |
---|
1856 | if(!uiCode) |
---|
1857 | { |
---|
1858 | READ_CODE( reqBitsOuter+reqBitsInner, address, "slice_address" ); |
---|
1859 | lCUAddress = address >> reqBitsInner; |
---|
1860 | innerAddress = address - (lCUAddress<<reqBitsInner); |
---|
1861 | } |
---|
1862 | //set uiCode to equal slice start address (or entropy slice start address) |
---|
1863 | uiCode=(maxParts*lCUAddress)+(innerAddress*(maxParts>>(rpcSlice->getPPS()->getSliceGranularity()<<1))); |
---|
1864 | |
---|
1865 | rpcSlice->setEntropySliceCurStartCUAddr( uiCode ); |
---|
1866 | rpcSlice->setEntropySliceCurEndCUAddr(numCUs*maxParts); |
---|
1867 | |
---|
1868 | // slice_type |
---|
1869 | READ_UVLC ( uiCode, "slice_type" ); rpcSlice->setSliceType((SliceType)uiCode); |
---|
1870 | // lightweight_slice_flag |
---|
1871 | READ_FLAG( uiCode, "entropy_slice_flag" ); |
---|
1872 | Bool bEntropySlice = uiCode ? true : false; |
---|
1873 | |
---|
1874 | if (bEntropySlice) |
---|
1875 | { |
---|
1876 | rpcSlice->setNextSlice ( false ); |
---|
1877 | rpcSlice->setNextEntropySlice ( true ); |
---|
1878 | } |
---|
1879 | else |
---|
1880 | { |
---|
1881 | rpcSlice->setNextSlice ( true ); |
---|
1882 | rpcSlice->setNextEntropySlice ( false ); |
---|
1883 | |
---|
1884 | uiCode=(maxParts*lCUAddress)+(innerAddress*(maxParts>>(rpcSlice->getPPS()->getSliceGranularity()<<1))); |
---|
1885 | rpcSlice->setSliceCurStartCUAddr(uiCode); |
---|
1886 | rpcSlice->setSliceCurEndCUAddr(numCUs*maxParts); |
---|
1887 | } |
---|
1888 | TComPPS* pps = NULL; |
---|
1889 | TComSPS* sps = NULL; |
---|
1890 | |
---|
1891 | if (!bEntropySlice) |
---|
1892 | { |
---|
1893 | READ_UVLC ( uiCode, "pic_parameter_set_id" ); rpcSlice->setPPSId(uiCode); |
---|
1894 | pps = parameterSetManager->getPrefetchedPPS(uiCode); |
---|
1895 | sps = parameterSetManager->getPrefetchedSPS(pps->getSPSId()); |
---|
1896 | rpcSlice->setSPS(sps); |
---|
1897 | rpcSlice->setPPS(pps); |
---|
1898 | #if H0388 |
---|
1899 | if( pps->getOutputFlagPresentFlag() ) |
---|
1900 | { |
---|
1901 | READ_FLAG( uiCode, "pic_output_flag" ); |
---|
1902 | rpcSlice->setPicOutputFlag( uiCode ? true : false ); |
---|
1903 | } |
---|
1904 | else |
---|
1905 | { |
---|
1906 | rpcSlice->setPicOutputFlag( true ); |
---|
1907 | } |
---|
1908 | #endif |
---|
1909 | if(rpcSlice->getNalUnitType()==NAL_UNIT_CODED_SLICE_IDR) |
---|
1910 | { |
---|
1911 | READ_UVLC( uiCode, "idr_pic_id" ); //ignored |
---|
1912 | READ_FLAG( uiCode, "no_output_of_prior_pics_flag" ); //ignored |
---|
1913 | rpcSlice->setPOC(0); |
---|
1914 | TComReferencePictureSet* rps = rpcSlice->getLocalRPS(); |
---|
1915 | rps->setNumberOfNegativePictures(0); |
---|
1916 | rps->setNumberOfPositivePictures(0); |
---|
1917 | rps->setNumberOfLongtermPictures(0); |
---|
1918 | rps->setNumberOfPictures(0); |
---|
1919 | rpcSlice->setRPS(rps); |
---|
1920 | } |
---|
1921 | else |
---|
1922 | { |
---|
1923 | READ_CODE(sps->getBitsForPOC(), uiCode, "pic_order_cnt_lsb"); |
---|
1924 | Int iPOClsb = uiCode; |
---|
1925 | Int iPrevPOC = rpcSlice->getPrevPOC(); |
---|
1926 | Int iMaxPOClsb = 1<< sps->getBitsForPOC(); |
---|
1927 | Int iPrevPOClsb = iPrevPOC%iMaxPOClsb; |
---|
1928 | Int iPrevPOCmsb = iPrevPOC-iPrevPOClsb; |
---|
1929 | Int iPOCmsb; |
---|
1930 | if( ( iPOClsb < iPrevPOClsb ) && ( ( iPrevPOClsb - iPOClsb ) >= ( iMaxPOClsb / 2 ) ) ) |
---|
1931 | { |
---|
1932 | iPOCmsb = iPrevPOCmsb + iMaxPOClsb; |
---|
1933 | } |
---|
1934 | else if( (iPOClsb > iPrevPOClsb ) && ( (iPOClsb - iPrevPOClsb ) > ( iMaxPOClsb / 2 ) ) ) |
---|
1935 | { |
---|
1936 | iPOCmsb = iPrevPOCmsb - iMaxPOClsb; |
---|
1937 | } |
---|
1938 | else |
---|
1939 | { |
---|
1940 | iPOCmsb = iPrevPOCmsb; |
---|
1941 | } |
---|
1942 | rpcSlice->setPOC( iPOCmsb+iPOClsb ); |
---|
1943 | |
---|
1944 | if( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDV && rpcSlice->getPOC() == 0 ) |
---|
1945 | { |
---|
1946 | TComReferencePictureSet* rps = rpcSlice->getLocalRPS(); |
---|
1947 | rps->setNumberOfNegativePictures(0); |
---|
1948 | rps->setNumberOfPositivePictures(0); |
---|
1949 | rps->setNumberOfLongtermPictures(0); |
---|
1950 | rps->setNumberOfPictures(0); |
---|
1951 | rpcSlice->setRPS(rps); |
---|
1952 | } |
---|
1953 | else |
---|
1954 | { |
---|
1955 | TComReferencePictureSet* rps; |
---|
1956 | READ_FLAG( uiCode, "short_term_ref_pic_set_sps_flag" ); |
---|
1957 | if(uiCode == 0) // use short-term reference picture set explicitly signalled in slice header |
---|
1958 | { |
---|
1959 | rps = rpcSlice->getLocalRPS(); |
---|
1960 | #if RPS_IN_SPS |
---|
1961 | parseShortTermRefPicSet(sps,rps, sps->getRPSList()->getNumberOfReferencePictureSets()); |
---|
1962 | #else |
---|
1963 | parseShortTermRefPicSet(pps,rps, pps->getRPSList()->getNumberOfReferencePictureSets()); |
---|
1964 | #endif |
---|
1965 | rpcSlice->setRPS(rps); |
---|
1966 | } |
---|
1967 | else // use reference to short-term reference picture set in PPS |
---|
1968 | { |
---|
1969 | #if RPS_IN_SPS |
---|
1970 | READ_UVLC( uiCode, "short_term_ref_pic_set_idx"); rpcSlice->setRPS(sps->getRPSList()->getReferencePictureSet(uiCode)); |
---|
1971 | #else |
---|
1972 | READ_UVLC( uiCode, "short_term_ref_pic_set_idx"); rpcSlice->setRPS(pps->getRPSList()->getReferencePictureSet(uiCode)); |
---|
1973 | #endif |
---|
1974 | rps = rpcSlice->getRPS(); |
---|
1975 | } |
---|
1976 | #if RPS_IN_SPS |
---|
1977 | if(sps->getLongTermRefsPresent()) |
---|
1978 | #else |
---|
1979 | if(pps->getLongTermRefsPresent()) |
---|
1980 | #endif |
---|
1981 | { |
---|
1982 | Int offset = rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); |
---|
1983 | READ_UVLC( uiCode, "num_long_term_pics"); rps->setNumberOfLongtermPictures(uiCode); |
---|
1984 | Int prev = 0; |
---|
1985 | #if LTRP_MULT |
---|
1986 | Int prevMsb=0; |
---|
1987 | Int prevDeltaPocLt=0; |
---|
1988 | #endif |
---|
1989 | for(Int j=rps->getNumberOfLongtermPictures()+offset-1 ; j > offset-1; j--) |
---|
1990 | { |
---|
1991 | READ_UVLC(uiCode,"delta_poc_lsb_lt"); |
---|
1992 | prev += uiCode; |
---|
1993 | |
---|
1994 | #if LTRP_MULT |
---|
1995 | READ_FLAG(uiCode,"delta_poc_msb_present_flag"); |
---|
1996 | Int decDeltaPOCMsbPresent=uiCode; |
---|
1997 | |
---|
1998 | if(decDeltaPOCMsbPresent==1) |
---|
1999 | { |
---|
2000 | READ_UVLC(uiCode, "delta_poc_msb_cycle_lt_minus1"); |
---|
2001 | if( (j==(rps->getNumberOfLongtermPictures()+offset-1)) || (prev!=prevDeltaPocLt) ) |
---|
2002 | { |
---|
2003 | prevMsb=(1+uiCode); |
---|
2004 | } |
---|
2005 | else |
---|
2006 | { |
---|
2007 | prevMsb+=(1+uiCode); |
---|
2008 | } |
---|
2009 | Int decMaxPocLsb = 1<<rpcSlice->getSPS()->getBitsForPOC(); |
---|
2010 | rps->setPOC(j,rpcSlice->getPOC()-prev-(prevMsb)*decMaxPocLsb); |
---|
2011 | rps->setDeltaPOC(j,-(Int)(prev+(prevMsb)*decMaxPocLsb)); |
---|
2012 | } |
---|
2013 | else |
---|
2014 | { |
---|
2015 | #endif |
---|
2016 | rps->setPOC(j,rpcSlice->getPOC()-prev); |
---|
2017 | rps->setDeltaPOC(j,-(Int)prev); |
---|
2018 | #if LTRP_MULT |
---|
2019 | } |
---|
2020 | prevDeltaPocLt=prev; |
---|
2021 | #endif |
---|
2022 | READ_FLAG( uiCode, "used_by_curr_pic_lt_flag"); rps->setUsed(j,uiCode); |
---|
2023 | } |
---|
2024 | offset += rps->getNumberOfLongtermPictures(); |
---|
2025 | rps->setNumberOfPictures(offset); |
---|
2026 | } |
---|
2027 | } |
---|
2028 | } |
---|
2029 | |
---|
2030 | if(sps->getUseSAO() || sps->getUseALF() || sps->getScalingListFlag() || sps->getUseDF()) |
---|
2031 | { |
---|
2032 | //!!!KS: order is different in WD5! |
---|
2033 | if (sps->getUseALF()) |
---|
2034 | { |
---|
2035 | READ_FLAG(uiCode, "slice_adaptive_loop_filter_flag"); |
---|
2036 | rpcSlice->setAlfEnabledFlag((Bool)uiCode); |
---|
2037 | } |
---|
2038 | if (sps->getUseSAO()) |
---|
2039 | { |
---|
2040 | #if SAO_UNIT_INTERLEAVING |
---|
2041 | READ_FLAG(uiCode, "slice_sao_interleaving_flag"); rpcSlice->setSaoInterleavingFlag(uiCode); |
---|
2042 | #endif |
---|
2043 | READ_FLAG(uiCode, "slice_sample_adaptive_offset_flag"); rpcSlice->setSaoEnabledFlag((Bool)uiCode); |
---|
2044 | #if SAO_UNIT_INTERLEAVING |
---|
2045 | if (rpcSlice->getSaoEnabledFlag() && rpcSlice->getSaoInterleavingFlag()) |
---|
2046 | { |
---|
2047 | READ_FLAG(uiCode, "sao_cb_enable_flag"); rpcSlice->setSaoEnabledFlagCb((Bool)uiCode); |
---|
2048 | READ_FLAG(uiCode, "sao_cr_enable_flag"); rpcSlice->setSaoEnabledFlagCr((Bool)uiCode); |
---|
2049 | } |
---|
2050 | else |
---|
2051 | { |
---|
2052 | rpcSlice->setSaoEnabledFlagCb(0); |
---|
2053 | rpcSlice->setSaoEnabledFlagCr(0); |
---|
2054 | } |
---|
2055 | #endif |
---|
2056 | } |
---|
2057 | READ_UVLC ( uiCode, "aps_id" ); rpcSlice->setAPSId(uiCode); |
---|
2058 | } |
---|
2059 | if (!rpcSlice->isIntra()) |
---|
2060 | { |
---|
2061 | READ_FLAG( uiCode, "num_ref_idx_active_override_flag"); |
---|
2062 | if (uiCode) |
---|
2063 | { |
---|
2064 | READ_CODE (3, uiCode, "num_ref_idx_l0_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_0, uiCode + 1 ); |
---|
2065 | if (rpcSlice->isInterB()) |
---|
2066 | { |
---|
2067 | READ_CODE (3, uiCode, "num_ref_idx_l1_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_1, uiCode + 1 ); |
---|
2068 | } |
---|
2069 | else |
---|
2070 | { |
---|
2071 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
2072 | } |
---|
2073 | } |
---|
2074 | else |
---|
2075 | { |
---|
2076 | rpcSlice->setNumRefIdx(REF_PIC_LIST_0, 0); |
---|
2077 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
2078 | } |
---|
2079 | } |
---|
2080 | TComRefPicListModification* refPicListModification = rpcSlice->getRefPicListModification(); |
---|
2081 | if( !rpcSlice->isIntra() ) |
---|
2082 | { |
---|
2083 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
2084 | if( !rpcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
2085 | { |
---|
2086 | refPicListModification->setRefPicListModificationFlagL0( 0 ); |
---|
2087 | } |
---|
2088 | else |
---|
2089 | { |
---|
2090 | #endif |
---|
2091 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_l0" ); refPicListModification->setRefPicListModificationFlagL0( uiCode ? 1 : 0 ); |
---|
2092 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
2093 | } |
---|
2094 | #endif |
---|
2095 | |
---|
2096 | if(refPicListModification->getRefPicListModificationFlagL0()) |
---|
2097 | { |
---|
2098 | uiCode = 0; |
---|
2099 | Int i = 0; |
---|
2100 | #if H0137_0138_LIST_MODIFICATION |
---|
2101 | Int NumPocTotalCurr = rpcSlice->getNumPocTotalCurrMvc(); |
---|
2102 | if ( NumPocTotalCurr > 1 ) |
---|
2103 | { |
---|
2104 | Int length = 1; |
---|
2105 | NumPocTotalCurr --; |
---|
2106 | while ( NumPocTotalCurr >>= 1) |
---|
2107 | { |
---|
2108 | length ++; |
---|
2109 | } |
---|
2110 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) |
---|
2111 | { |
---|
2112 | READ_CODE( length, uiCode, "list_entry_l0" ); |
---|
2113 | refPicListModification->setRefPicSetIdxL0(i, uiCode ); |
---|
2114 | } |
---|
2115 | } |
---|
2116 | else |
---|
2117 | { |
---|
2118 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) |
---|
2119 | { |
---|
2120 | refPicListModification->setRefPicSetIdxL0(i, 0 ); |
---|
2121 | } |
---|
2122 | } |
---|
2123 | #else |
---|
2124 | Int list_modification_idc = 0; |
---|
2125 | while(list_modification_idc != 3) |
---|
2126 | { |
---|
2127 | READ_UVLC( uiCode, "list_modification_idc" ); refPicListModification->setListIdcL0(i, uiCode ); |
---|
2128 | list_modification_idc = uiCode; |
---|
2129 | if(uiCode != 3) |
---|
2130 | { |
---|
2131 | READ_UVLC( uiCode, "ref_pic_set_idx" ); refPicListModification->setRefPicSetIdxL0(i, uiCode ); |
---|
2132 | } |
---|
2133 | i++; |
---|
2134 | } |
---|
2135 | refPicListModification->setNumberOfRefPicListModificationsL0(i-1); |
---|
2136 | #endif |
---|
2137 | } |
---|
2138 | #if !H0137_0138_LIST_MODIFICATION |
---|
2139 | else |
---|
2140 | { |
---|
2141 | refPicListModification->setNumberOfRefPicListModificationsL0(0); |
---|
2142 | } |
---|
2143 | #endif |
---|
2144 | } |
---|
2145 | else |
---|
2146 | { |
---|
2147 | refPicListModification->setRefPicListModificationFlagL0(0); |
---|
2148 | #if !H0137_0138_LIST_MODIFICATION |
---|
2149 | refPicListModification->setNumberOfRefPicListModificationsL0(0); |
---|
2150 | #endif |
---|
2151 | } |
---|
2152 | if(rpcSlice->isInterB()) |
---|
2153 | { |
---|
2154 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
2155 | if( !rpcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
2156 | { |
---|
2157 | refPicListModification->setRefPicListModificationFlagL1( 0 ); |
---|
2158 | } |
---|
2159 | else |
---|
2160 | { |
---|
2161 | #endif |
---|
2162 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_l1" ); refPicListModification->setRefPicListModificationFlagL1( uiCode ? 1 : 0 ); |
---|
2163 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
2164 | } |
---|
2165 | #endif |
---|
2166 | if(refPicListModification->getRefPicListModificationFlagL1()) |
---|
2167 | { |
---|
2168 | uiCode = 0; |
---|
2169 | Int i = 0; |
---|
2170 | #if H0137_0138_LIST_MODIFICATION |
---|
2171 | Int NumPocTotalCurr = rpcSlice->getNumPocTotalCurrMvc(); |
---|
2172 | if ( NumPocTotalCurr > 1 ) |
---|
2173 | { |
---|
2174 | Int length = 1; |
---|
2175 | NumPocTotalCurr --; |
---|
2176 | while ( NumPocTotalCurr >>= 1) |
---|
2177 | { |
---|
2178 | length ++; |
---|
2179 | } |
---|
2180 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) |
---|
2181 | { |
---|
2182 | READ_CODE( length, uiCode, "list_entry_l1" ); |
---|
2183 | refPicListModification->setRefPicSetIdxL1(i, uiCode ); |
---|
2184 | } |
---|
2185 | } |
---|
2186 | else |
---|
2187 | { |
---|
2188 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) |
---|
2189 | { |
---|
2190 | refPicListModification->setRefPicSetIdxL1(i, 0 ); |
---|
2191 | } |
---|
2192 | } |
---|
2193 | #else |
---|
2194 | Int list_modification_idc = 0; |
---|
2195 | while(list_modification_idc != 3) |
---|
2196 | { |
---|
2197 | READ_UVLC( uiCode, "list_modification_idc" ); refPicListModification->setListIdcL1(i, uiCode ); |
---|
2198 | list_modification_idc = uiCode; |
---|
2199 | if(uiCode != 3) |
---|
2200 | { |
---|
2201 | READ_UVLC( uiCode, "ref_pic_set_idx" ); refPicListModification->setRefPicSetIdxL1(i, uiCode ); |
---|
2202 | } |
---|
2203 | i++; |
---|
2204 | } |
---|
2205 | refPicListModification->setNumberOfRefPicListModificationsL1(i-1); |
---|
2206 | #endif |
---|
2207 | } |
---|
2208 | #if !H0137_0138_LIST_MODIFICATION |
---|
2209 | else |
---|
2210 | { |
---|
2211 | refPicListModification->setNumberOfRefPicListModificationsL1(0); |
---|
2212 | } |
---|
2213 | #endif |
---|
2214 | } |
---|
2215 | else |
---|
2216 | { |
---|
2217 | refPicListModification->setRefPicListModificationFlagL1(0); |
---|
2218 | #if !H0137_0138_LIST_MODIFICATION |
---|
2219 | refPicListModification->setNumberOfRefPicListModificationsL1(0); |
---|
2220 | #endif |
---|
2221 | } |
---|
2222 | } |
---|
2223 | else |
---|
2224 | { |
---|
2225 | // initialize from previous slice |
---|
2226 | pps = rpcSlice->getPPS(); |
---|
2227 | sps = rpcSlice->getSPS(); |
---|
2228 | } |
---|
2229 | // ref_pic_list_combination( ) |
---|
2230 | //!!!KS: ref_pic_list_combination() should be conditioned on entropy_slice_flag |
---|
2231 | if (rpcSlice->isInterB()) |
---|
2232 | { |
---|
2233 | READ_FLAG( uiCode, "ref_pic_list_combination_flag" ); rpcSlice->setRefPicListCombinationFlag( uiCode ? 1 : 0 ); |
---|
2234 | if(uiCode) |
---|
2235 | { |
---|
2236 | READ_UVLC( uiCode, "num_ref_idx_lc_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_C, uiCode + 1 ); |
---|
2237 | |
---|
2238 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
2239 | if(rpcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
2240 | { |
---|
2241 | #endif |
---|
2242 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_lc" ); rpcSlice->setRefPicListModificationFlagLC( uiCode ? 1 : 0 ); |
---|
2243 | if(uiCode) |
---|
2244 | { |
---|
2245 | for (UInt i=0;i<rpcSlice->getNumRefIdx(REF_PIC_LIST_C);i++) |
---|
2246 | { |
---|
2247 | READ_FLAG( uiCode, "pic_from_list_0_flag" ); |
---|
2248 | rpcSlice->setListIdFromIdxOfLC(i, uiCode); |
---|
2249 | #if H0137_0138_LIST_MODIFICATION |
---|
2250 | if (((rpcSlice->getListIdFromIdxOfLC(i) == REF_PIC_LIST_0) && (rpcSlice->getNumRefIdx( REF_PIC_LIST_0 ) == 1)) || ((rpcSlice->getListIdFromIdxOfLC(i) == REF_PIC_LIST_1) && (rpcSlice->getNumRefIdx( REF_PIC_LIST_1 ) == 1)) ) |
---|
2251 | { |
---|
2252 | uiCode = 0; |
---|
2253 | } |
---|
2254 | else |
---|
2255 | { |
---|
2256 | READ_UVLC( uiCode, "ref_idx_list_curr" ); |
---|
2257 | } |
---|
2258 | #else |
---|
2259 | READ_UVLC( uiCode, "ref_idx_list_curr" ); |
---|
2260 | #endif |
---|
2261 | rpcSlice->setRefIdxFromIdxOfLC(i, uiCode); |
---|
2262 | rpcSlice->setRefIdxOfLC((RefPicList)rpcSlice->getListIdFromIdxOfLC(i), rpcSlice->getRefIdxFromIdxOfLC(i), i); |
---|
2263 | } |
---|
2264 | } |
---|
2265 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
2266 | } |
---|
2267 | else |
---|
2268 | { |
---|
2269 | rpcSlice->setRefPicListModificationFlagLC(false); |
---|
2270 | } |
---|
2271 | #endif |
---|
2272 | } |
---|
2273 | else |
---|
2274 | { |
---|
2275 | rpcSlice->setRefPicListModificationFlagLC(false); |
---|
2276 | rpcSlice->setNumRefIdx(REF_PIC_LIST_C, 0); |
---|
2277 | } |
---|
2278 | } |
---|
2279 | else |
---|
2280 | { |
---|
2281 | rpcSlice->setRefPicListCombinationFlag(false); |
---|
2282 | } |
---|
2283 | |
---|
2284 | #if H0111_MVD_L1_ZERO |
---|
2285 | if (rpcSlice->isInterB()) |
---|
2286 | { |
---|
2287 | READ_FLAG( uiCode, "mvd_l1_zero_flag" ); rpcSlice->setMvdL1ZeroFlag( (uiCode ? true : false) ); |
---|
2288 | } |
---|
2289 | #endif |
---|
2290 | |
---|
2291 | #if CABAC_INIT_FLAG |
---|
2292 | rpcSlice->setCabacInitFlag( false ); // default |
---|
2293 | if(pps->getCabacInitPresentFlag() && !rpcSlice->isIntra()) |
---|
2294 | { |
---|
2295 | READ_FLAG(uiCode, "cabac_init_flag"); |
---|
2296 | rpcSlice->setCabacInitFlag( uiCode ? true : false ); |
---|
2297 | } |
---|
2298 | #else |
---|
2299 | if(pps->getEntropyCodingMode() && !rpcSlice->isIntra()) |
---|
2300 | { |
---|
2301 | READ_UVLC(uiCode, "cabac_init_idc"); |
---|
2302 | rpcSlice->setCABACinitIDC(uiCode); |
---|
2303 | } |
---|
2304 | else if (pps->getEntropyCodingMode() && rpcSlice->isIntra()) |
---|
2305 | { |
---|
2306 | rpcSlice->setCABACinitIDC(0); |
---|
2307 | } |
---|
2308 | #endif |
---|
2309 | |
---|
2310 | if(!bEntropySlice) |
---|
2311 | { |
---|
2312 | READ_SVLC( iCode, "slice_qp_delta" ); |
---|
2313 | rpcSlice->setSliceQp (26 + pps->getPicInitQPMinus26() + iCode); |
---|
2314 | |
---|
2315 | #if H0736_AVC_STYLE_QP_RANGE |
---|
2316 | assert( rpcSlice->getSliceQp() >= -sps->getQpBDOffsetY() ); |
---|
2317 | assert( rpcSlice->getSliceQp() <= 51 ); |
---|
2318 | #endif |
---|
2319 | |
---|
2320 | #if DBL_CONTROL |
---|
2321 | if (rpcSlice->getPPS()->getDeblockingFilterControlPresent()) |
---|
2322 | { |
---|
2323 | if ( rpcSlice->getSPS()->getUseDF() ) |
---|
2324 | { |
---|
2325 | READ_FLAG ( uiCode, "inherit_dbl_param_from_APS_flag" ); rpcSlice->setInheritDblParamFromAPS(uiCode ? 1 : 0); |
---|
2326 | } else |
---|
2327 | { |
---|
2328 | rpcSlice->setInheritDblParamFromAPS(0); |
---|
2329 | } |
---|
2330 | #else |
---|
2331 | READ_FLAG ( uiCode, "inherit_dbl_param_from_APS_flag" ); rpcSlice->setInheritDblParamFromAPS(uiCode ? 1 : 0); |
---|
2332 | #endif |
---|
2333 | if(!rpcSlice->getInheritDblParamFromAPS()) |
---|
2334 | { |
---|
2335 | READ_FLAG ( uiCode, "disable_deblocking_filter_flag" ); rpcSlice->setLoopFilterDisable(uiCode ? 1 : 0); |
---|
2336 | if(!rpcSlice->getLoopFilterDisable()) |
---|
2337 | { |
---|
2338 | READ_SVLC( iCode, "beta_offset_div2" ); rpcSlice->setLoopFilterBetaOffset(iCode); |
---|
2339 | READ_SVLC( iCode, "tc_offset_div2" ); rpcSlice->setLoopFilterTcOffset(iCode); |
---|
2340 | } |
---|
2341 | } |
---|
2342 | #if DBL_CONTROL |
---|
2343 | } |
---|
2344 | #endif |
---|
2345 | if ( rpcSlice->getSliceType() == B_SLICE ) |
---|
2346 | { |
---|
2347 | READ_FLAG( uiCode, "collocated_from_l0_flag" ); |
---|
2348 | rpcSlice->setColDir(uiCode); |
---|
2349 | } |
---|
2350 | |
---|
2351 | #if COLLOCATED_REF_IDX |
---|
2352 | if ( rpcSlice->getSliceType() != I_SLICE && |
---|
2353 | ((rpcSlice->getColDir()==0 && rpcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)|| |
---|
2354 | (rpcSlice->getColDir() ==1 && rpcSlice->getNumRefIdx(REF_PIC_LIST_1)>1))) |
---|
2355 | { |
---|
2356 | READ_UVLC( uiCode, "collocated_ref_idx" ); |
---|
2357 | rpcSlice->setColRefIdx(uiCode); |
---|
2358 | } |
---|
2359 | #endif |
---|
2360 | |
---|
2361 | if ( (pps->getUseWP() && rpcSlice->getSliceType()==P_SLICE) || (pps->getWPBiPredIdc() && rpcSlice->getSliceType()==B_SLICE) ) |
---|
2362 | { |
---|
2363 | xParsePredWeightTable(rpcSlice); |
---|
2364 | rpcSlice->initWpScaling(); |
---|
2365 | } |
---|
2366 | } |
---|
2367 | |
---|
2368 | if (!bEntropySlice) |
---|
2369 | { |
---|
2370 | if( rpcSlice->getSPS()->hasCamParInSliceHeader() ) |
---|
2371 | { |
---|
2372 | UInt uiViewId = rpcSlice->getSPS()->getViewId(); |
---|
2373 | for( UInt uiBaseId = 0; uiBaseId < uiViewId; uiBaseId++ ) |
---|
2374 | { |
---|
2375 | READ_SVLC( iCode, "coded_scale" ); m_aaiTempScale [ uiBaseId ][ uiViewId ] = iCode; |
---|
2376 | READ_SVLC( iCode, "coded_offset" ); m_aaiTempOffset[ uiBaseId ][ uiViewId ] = iCode; |
---|
2377 | READ_SVLC( iCode, "inverse_coded_scale_plus_coded_scale" ); m_aaiTempScale [ uiViewId ][ uiBaseId ] = iCode - m_aaiTempScale [ uiBaseId ][ uiViewId ]; |
---|
2378 | READ_SVLC( iCode, "inverse_coded_offset_plus_coded_offset" ); m_aaiTempOffset[ uiViewId ][ uiBaseId ] = iCode - m_aaiTempOffset[ uiBaseId ][ uiViewId ]; |
---|
2379 | } |
---|
2380 | rpcSlice->initMultiviewSlice( m_aaiTempScale, m_aaiTempOffset ); |
---|
2381 | } |
---|
2382 | } |
---|
2383 | |
---|
2384 | #if ( HHI_MPI || HHI_INTER_VIEW_MOTION_PRED ) |
---|
2385 | #if ( HHI_MPI && HHI_INTER_VIEW_MOTION_PRED ) |
---|
2386 | const int iExtraMergeCandidates = ( sps->getUseMVI() || sps->getMultiviewMvPredMode() ) ? 1 : 0; |
---|
2387 | #elif HHI_MPI |
---|
2388 | const int iExtraMergeCandidates = sps->getUseMVI() ? 1 : 0; |
---|
2389 | #else |
---|
2390 | const int iExtraMergeCandidates = sps->getMultiviewMvPredMode() ? 1 : 0; |
---|
2391 | #endif |
---|
2392 | READ_UVLC( uiCode, "5_minus_max_num_merge_cand"); |
---|
2393 | rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS + iExtraMergeCandidates - uiCode); |
---|
2394 | assert(rpcSlice->getMaxNumMergeCand()==(MRG_MAX_NUM_CANDS_SIGNALED+iExtraMergeCandidates)); |
---|
2395 | #else |
---|
2396 | READ_UVLC( uiCode, "5_minus_max_num_merge_cand"); |
---|
2397 | rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - uiCode); |
---|
2398 | assert(rpcSlice->getMaxNumMergeCand()==MRG_MAX_NUM_CANDS_SIGNALED); |
---|
2399 | #endif |
---|
2400 | |
---|
2401 | if (!bEntropySlice) |
---|
2402 | { |
---|
2403 | if(sps->getUseALF() && rpcSlice->getAlfEnabledFlag()) |
---|
2404 | { |
---|
2405 | UInt uiNumLCUsInWidth = sps->getPicWidthInLumaSamples() / g_uiMaxCUWidth; |
---|
2406 | UInt uiNumLCUsInHeight = sps->getPicHeightInLumaSamples() / g_uiMaxCUHeight; |
---|
2407 | |
---|
2408 | uiNumLCUsInWidth += ( sps->getPicWidthInLumaSamples() % g_uiMaxCUWidth ) ? 1 : 0; |
---|
2409 | uiNumLCUsInHeight += ( sps->getPicHeightInLumaSamples() % g_uiMaxCUHeight ) ? 1 : 0; |
---|
2410 | |
---|
2411 | Int uiNumCUsInFrame = uiNumLCUsInWidth* uiNumLCUsInHeight; |
---|
2412 | #if LCU_SYNTAX_ALF |
---|
2413 | if(sps->getUseALFCoefInSlice()) |
---|
2414 | { |
---|
2415 | alfParamSet.releaseALFParam(); |
---|
2416 | alfParamSet.init(); |
---|
2417 | Bool isAcrossSlice = sps->getLFCrossSliceBoundaryFlag(); |
---|
2418 | Int numSUinLCU = 1<< (g_uiMaxCUDepth << 1); |
---|
2419 | Int firstLCUAddr = rpcSlice->getSliceCurStartCUAddr() / numSUinLCU; |
---|
2420 | xParseAlfParam(&alfParamSet, false, firstLCUAddr, isAcrossSlice, uiNumLCUsInWidth, uiNumLCUsInHeight); |
---|
2421 | } |
---|
2422 | |
---|
2423 | if(!sps->getUseALFCoefInSlice()) |
---|
2424 | { |
---|
2425 | #endif |
---|
2426 | xParseAlfCuControlParam(alfCUCtrl, uiNumCUsInFrame); |
---|
2427 | #if LCU_SYNTAX_ALF |
---|
2428 | } |
---|
2429 | #endif |
---|
2430 | |
---|
2431 | } |
---|
2432 | } |
---|
2433 | |
---|
2434 | //!!!KS: The following syntax is not aligned with the working draft, TRACE support needs to be added |
---|
2435 | rpcSlice->setTileMarkerFlag ( 0 ); // default |
---|
2436 | if (!bEntropySlice) |
---|
2437 | { |
---|
2438 | #if !REMOVE_TILE_DEPENDENCE |
---|
2439 | if (sps->getTileBoundaryIndependenceIdr()) |
---|
2440 | { |
---|
2441 | #endif |
---|
2442 | xReadCode(1, uiCode); // read flag indicating if tile markers transmitted |
---|
2443 | rpcSlice->setTileMarkerFlag( uiCode ); |
---|
2444 | #if !REMOVE_TILE_DEPENDENCE |
---|
2445 | } |
---|
2446 | #endif |
---|
2447 | } |
---|
2448 | |
---|
2449 | #if TILES_WPP_ENTRY_POINT_SIGNALLING |
---|
2450 | Int tilesOrEntropyCodingSyncIdc = rpcSlice->getSPS()->getTilesOrEntropyCodingSyncIdc(); |
---|
2451 | UInt *entryPointOffset = NULL; |
---|
2452 | UInt numEntryPointOffsets, offsetLenMinus1; |
---|
2453 | |
---|
2454 | rpcSlice->setNumEntryPointOffsets ( 0 ); // default |
---|
2455 | |
---|
2456 | if (tilesOrEntropyCodingSyncIdc>0) |
---|
2457 | { |
---|
2458 | READ_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); rpcSlice->setNumEntryPointOffsets ( numEntryPointOffsets ); |
---|
2459 | if (numEntryPointOffsets>0) |
---|
2460 | { |
---|
2461 | READ_UVLC(offsetLenMinus1, "offset_len_minus1"); |
---|
2462 | } |
---|
2463 | entryPointOffset = new UInt[numEntryPointOffsets]; |
---|
2464 | for (UInt idx=0; idx<numEntryPointOffsets; idx++) |
---|
2465 | { |
---|
2466 | Int bitsRead = m_pcBitstream->getNumBitsRead(); |
---|
2467 | READ_CODE(offsetLenMinus1+1, uiCode, "entry_point_offset"); |
---|
2468 | entryPointOffset[ idx ] = uiCode; |
---|
2469 | if ( idx == 0 && tilesOrEntropyCodingSyncIdc == 2 ) |
---|
2470 | { |
---|
2471 | // Subtract distance from NALU header start to provide WPP 0-th substream the correct size. |
---|
2472 | entryPointOffset[ idx ] -= ( bitsRead + numEntryPointOffsets*(offsetLenMinus1+1) ) >> 3; |
---|
2473 | } |
---|
2474 | } |
---|
2475 | } |
---|
2476 | |
---|
2477 | if ( tilesOrEntropyCodingSyncIdc == 1 ) // tiles |
---|
2478 | { |
---|
2479 | rpcSlice->setTileLocationCount( numEntryPointOffsets ); |
---|
2480 | |
---|
2481 | UInt prevPos = 0; |
---|
2482 | for (Int idx=0; idx<rpcSlice->getTileLocationCount(); idx++) |
---|
2483 | { |
---|
2484 | rpcSlice->setTileLocation( idx, prevPos + entryPointOffset [ idx ] ); |
---|
2485 | prevPos += entryPointOffset[ idx ]; |
---|
2486 | } |
---|
2487 | } |
---|
2488 | else if ( tilesOrEntropyCodingSyncIdc == 2 ) // wavefront |
---|
2489 | { |
---|
2490 | Int numSubstreams = pps->getNumSubstreams(); |
---|
2491 | rpcSlice->allocSubstreamSizes(numSubstreams); |
---|
2492 | UInt *pSubstreamSizes = rpcSlice->getSubstreamSizes(); |
---|
2493 | for (Int idx=0; idx<numSubstreams-1; idx++) |
---|
2494 | { |
---|
2495 | if ( idx < numEntryPointOffsets ) |
---|
2496 | { |
---|
2497 | pSubstreamSizes[ idx ] = ( entryPointOffset[ idx ] << 3 ) ; |
---|
2498 | } |
---|
2499 | else |
---|
2500 | { |
---|
2501 | pSubstreamSizes[ idx ] = 0; |
---|
2502 | } |
---|
2503 | } |
---|
2504 | } |
---|
2505 | |
---|
2506 | if (entryPointOffset) |
---|
2507 | { |
---|
2508 | delete [] entryPointOffset; |
---|
2509 | } |
---|
2510 | #else |
---|
2511 | #if WPP_SIMPLIFICATION |
---|
2512 | if (pps->getNumSubstreams() > 1) |
---|
2513 | #else |
---|
2514 | if (pps->getEntropyCodingSynchro()) |
---|
2515 | #endif |
---|
2516 | { |
---|
2517 | UInt uiNumSubstreams = pps->getNumSubstreams(); |
---|
2518 | rpcSlice->allocSubstreamSizes(uiNumSubstreams); |
---|
2519 | UInt *puiSubstreamSizes = rpcSlice->getSubstreamSizes(); |
---|
2520 | |
---|
2521 | for (UInt ui = 0; ui+1 < uiNumSubstreams; ui++) |
---|
2522 | { |
---|
2523 | xReadCode(2, uiCode); |
---|
2524 | |
---|
2525 | switch ( uiCode ) |
---|
2526 | { |
---|
2527 | case 0: |
---|
2528 | xReadCode(8, uiCode); |
---|
2529 | break; |
---|
2530 | case 1: |
---|
2531 | xReadCode(16, uiCode); |
---|
2532 | break; |
---|
2533 | case 2: |
---|
2534 | xReadCode(24, uiCode); |
---|
2535 | break; |
---|
2536 | case 3: |
---|
2537 | xReadCode(32, uiCode); |
---|
2538 | break; |
---|
2539 | default: |
---|
2540 | printf("Error in parseSliceHeader\n"); |
---|
2541 | exit(-1); |
---|
2542 | break; |
---|
2543 | } |
---|
2544 | puiSubstreamSizes[ui] = uiCode; |
---|
2545 | } |
---|
2546 | } |
---|
2547 | #endif |
---|
2548 | |
---|
2549 | if (!bEntropySlice) |
---|
2550 | { |
---|
2551 | // Reading location information |
---|
2552 | #if !REMOVE_TILE_DEPENDENCE |
---|
2553 | if (sps->getTileBoundaryIndependenceIdr()) |
---|
2554 | { |
---|
2555 | #endif |
---|
2556 | #if !TILES_WPP_ENTRY_POINT_SIGNALLING |
---|
2557 | xReadCode(1, uiCode); // read flag indicating if location information signaled in slice header |
---|
2558 | Bool bTileLocationInformationInSliceHeaderFlag = (uiCode)? true : false; |
---|
2559 | |
---|
2560 | if (bTileLocationInformationInSliceHeaderFlag) |
---|
2561 | { |
---|
2562 | // location count |
---|
2563 | xReadCode(5, uiCode); // number of tiles for which location information signaled |
---|
2564 | rpcSlice->setTileLocationCount ( uiCode + 1 ); |
---|
2565 | |
---|
2566 | xReadCode(5, uiCode); // number of bits used by diff |
---|
2567 | Int iBitsUsedByDiff = uiCode + 1; |
---|
2568 | |
---|
2569 | // read out tile start location |
---|
2570 | Int iLastSize = 0; |
---|
2571 | for (UInt uiIdx=0; uiIdx<rpcSlice->getTileLocationCount(); uiIdx++) |
---|
2572 | { |
---|
2573 | Int iAbsDiff, iCurSize, iCurDiff; |
---|
2574 | if (uiIdx==0) |
---|
2575 | { |
---|
2576 | xReadCode(iBitsUsedByDiff-1, uiCode); iAbsDiff = uiCode; |
---|
2577 | rpcSlice->setTileLocation( uiIdx, iAbsDiff ); |
---|
2578 | iCurDiff = iAbsDiff; |
---|
2579 | iLastSize = iAbsDiff; |
---|
2580 | } |
---|
2581 | else |
---|
2582 | { |
---|
2583 | xReadCode(1, uiCode); // read sign |
---|
2584 | Int iSign = (uiCode) ? -1 : +1; |
---|
2585 | |
---|
2586 | xReadCode(iBitsUsedByDiff-1, uiCode); iAbsDiff = uiCode; |
---|
2587 | iCurDiff = (iSign) * iAbsDiff; |
---|
2588 | iCurSize = iLastSize + iCurDiff; |
---|
2589 | iLastSize = iCurSize; |
---|
2590 | rpcSlice->setTileLocation( uiIdx, rpcSlice->getTileLocation( uiIdx-1 ) + iCurSize ); // calculate byte location |
---|
2591 | } |
---|
2592 | } |
---|
2593 | } |
---|
2594 | #endif |
---|
2595 | |
---|
2596 | // read out trailing bits |
---|
2597 | m_pcBitstream->readOutTrailingBits(); |
---|
2598 | #if !REMOVE_TILE_DEPENDENCE |
---|
2599 | } |
---|
2600 | #endif |
---|
2601 | } |
---|
2602 | return; |
---|
2603 | } |
---|
2604 | |
---|
2605 | Void TDecCavlc::xParseAlfCuControlParam(AlfCUCtrlInfo& cAlfParam, Int iNumCUsInPic) |
---|
2606 | { |
---|
2607 | UInt uiSymbol; |
---|
2608 | Int iSymbol; |
---|
2609 | |
---|
2610 | READ_FLAG (uiSymbol, "alf_cu_control_flag"); |
---|
2611 | cAlfParam.cu_control_flag = uiSymbol; |
---|
2612 | if (cAlfParam.cu_control_flag) |
---|
2613 | { |
---|
2614 | READ_UVLC (uiSymbol, "alf_cu_control_max_depth"); |
---|
2615 | cAlfParam.alf_max_depth = uiSymbol; |
---|
2616 | |
---|
2617 | READ_SVLC (iSymbol, "alf_length_cu_control_info"); |
---|
2618 | cAlfParam.num_alf_cu_flag = (UInt)(iSymbol + iNumCUsInPic); |
---|
2619 | |
---|
2620 | cAlfParam.alf_cu_flag.resize(cAlfParam.num_alf_cu_flag); |
---|
2621 | |
---|
2622 | for(UInt i=0; i< cAlfParam.num_alf_cu_flag; i++) |
---|
2623 | { |
---|
2624 | READ_FLAG (cAlfParam.alf_cu_flag[i], "alf_cu_flag"); |
---|
2625 | } |
---|
2626 | } |
---|
2627 | } |
---|
2628 | |
---|
2629 | #if !CABAC_INIT_FLAG |
---|
2630 | Void TDecCavlc::resetEntropy (TComSlice* pcSlice) |
---|
2631 | { |
---|
2632 | } |
---|
2633 | #endif |
---|
2634 | |
---|
2635 | Void TDecCavlc::parseTerminatingBit( UInt& ruiBit ) |
---|
2636 | { |
---|
2637 | ruiBit = false; |
---|
2638 | Int iBitsLeft = m_pcBitstream->getNumBitsLeft(); |
---|
2639 | if(iBitsLeft <= 8) |
---|
2640 | { |
---|
2641 | UInt uiPeekValue = m_pcBitstream->peekBits(iBitsLeft); |
---|
2642 | if (uiPeekValue == (1<<(iBitsLeft-1))) |
---|
2643 | { |
---|
2644 | ruiBit = true; |
---|
2645 | } |
---|
2646 | } |
---|
2647 | } |
---|
2648 | |
---|
2649 | Void TDecCavlc::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2650 | { |
---|
2651 | assert(0); |
---|
2652 | } |
---|
2653 | |
---|
2654 | #if LGE_ILLUCOMP_B0045 |
---|
2655 | Void TDecCavlc::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2656 | { |
---|
2657 | assert(0); |
---|
2658 | } |
---|
2659 | #endif |
---|
2660 | |
---|
2661 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
2662 | Void TDecCavlc::parseMVPIdx( Int& riMVPIdx, Int iAMVPCands ) |
---|
2663 | #else |
---|
2664 | Void TDecCavlc::parseMVPIdx( Int& riMVPIdx ) |
---|
2665 | #endif |
---|
2666 | { |
---|
2667 | assert(0); |
---|
2668 | } |
---|
2669 | |
---|
2670 | Void TDecCavlc::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2671 | { |
---|
2672 | assert(0); |
---|
2673 | } |
---|
2674 | |
---|
2675 | Void TDecCavlc::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2676 | { |
---|
2677 | assert(0); |
---|
2678 | } |
---|
2679 | |
---|
2680 | Void TDecCavlc::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2681 | { |
---|
2682 | assert(0); |
---|
2683 | } |
---|
2684 | |
---|
2685 | /** Parse I_PCM information. |
---|
2686 | * \param pcCU pointer to CU |
---|
2687 | * \param uiAbsPartIdx CU index |
---|
2688 | * \param uiDepth CU depth |
---|
2689 | * \returns Void |
---|
2690 | * |
---|
2691 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
---|
2692 | */ |
---|
2693 | Void TDecCavlc::parseIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2694 | { |
---|
2695 | #if BURST_IPCM |
---|
2696 | assert(0); |
---|
2697 | #else |
---|
2698 | UInt uiSymbol; |
---|
2699 | |
---|
2700 | xReadFlag( uiSymbol ); |
---|
2701 | |
---|
2702 | if ( uiSymbol ) |
---|
2703 | { |
---|
2704 | Bool bIpcmFlag = true; |
---|
2705 | |
---|
2706 | xReadPCMAlignZero(); |
---|
2707 | |
---|
2708 | pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
2709 | pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
2710 | pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth ); |
---|
2711 | |
---|
2712 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
---|
2713 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
---|
2714 | UInt uiChromaOffset = uiLumaOffset>>2; |
---|
2715 | |
---|
2716 | Pel* piPCMSample; |
---|
2717 | UInt uiWidth; |
---|
2718 | UInt uiHeight; |
---|
2719 | UInt uiSampleBits; |
---|
2720 | UInt uiX, uiY; |
---|
2721 | |
---|
2722 | piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset; |
---|
2723 | uiWidth = pcCU->getWidth(uiAbsPartIdx); |
---|
2724 | uiHeight = pcCU->getHeight(uiAbsPartIdx); |
---|
2725 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
---|
2726 | |
---|
2727 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
2728 | { |
---|
2729 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
2730 | { |
---|
2731 | UInt uiSample; |
---|
2732 | xReadCode(uiSampleBits, uiSample); |
---|
2733 | |
---|
2734 | piPCMSample[uiX] = uiSample; |
---|
2735 | } |
---|
2736 | piPCMSample += uiWidth; |
---|
2737 | } |
---|
2738 | |
---|
2739 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
---|
2740 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
2741 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
2742 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
2743 | |
---|
2744 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
2745 | { |
---|
2746 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
2747 | { |
---|
2748 | UInt uiSample; |
---|
2749 | xReadCode(uiSampleBits, uiSample); |
---|
2750 | piPCMSample[uiX] = uiSample; |
---|
2751 | } |
---|
2752 | piPCMSample += uiWidth; |
---|
2753 | } |
---|
2754 | |
---|
2755 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
---|
2756 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
2757 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
2758 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
2759 | |
---|
2760 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
2761 | { |
---|
2762 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
2763 | { |
---|
2764 | UInt uiSample; |
---|
2765 | xReadCode(uiSampleBits, uiSample); |
---|
2766 | piPCMSample[uiX] = uiSample; |
---|
2767 | } |
---|
2768 | piPCMSample += uiWidth; |
---|
2769 | } |
---|
2770 | } |
---|
2771 | #endif |
---|
2772 | } |
---|
2773 | |
---|
2774 | Void TDecCavlc::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2775 | { |
---|
2776 | assert(0); |
---|
2777 | } |
---|
2778 | |
---|
2779 | Void TDecCavlc::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2780 | { |
---|
2781 | assert(0); |
---|
2782 | } |
---|
2783 | |
---|
2784 | Void TDecCavlc::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2785 | { |
---|
2786 | assert(0); |
---|
2787 | } |
---|
2788 | |
---|
2789 | Void TDecCavlc::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
2790 | { |
---|
2791 | assert(0); |
---|
2792 | } |
---|
2793 | |
---|
2794 | Void TDecCavlc::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
2795 | { |
---|
2796 | assert(0); |
---|
2797 | } |
---|
2798 | |
---|
2799 | Void TDecCavlc::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2800 | { |
---|
2801 | #if H0736_AVC_STYLE_QP_RANGE |
---|
2802 | Int qp; |
---|
2803 | #else |
---|
2804 | UInt uiQp; |
---|
2805 | #endif |
---|
2806 | Int iDQp; |
---|
2807 | |
---|
2808 | xReadSvlc( iDQp ); |
---|
2809 | |
---|
2810 | #if H0736_AVC_STYLE_QP_RANGE |
---|
2811 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
---|
2812 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+ qpBdOffsetY)) - qpBdOffsetY; |
---|
2813 | #else |
---|
2814 | uiQp = pcCU->getRefQP( uiAbsPartIdx ) + iDQp; |
---|
2815 | #endif |
---|
2816 | |
---|
2817 | UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ; |
---|
2818 | UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ; |
---|
2819 | |
---|
2820 | #if H0736_AVC_STYLE_QP_RANGE |
---|
2821 | pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
2822 | #else |
---|
2823 | pcCU->setQPSubParts( uiQp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
2824 | #endif |
---|
2825 | } |
---|
2826 | |
---|
2827 | Void TDecCavlc::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
2828 | { |
---|
2829 | assert(0); |
---|
2830 | } |
---|
2831 | |
---|
2832 | Void TDecCavlc::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
2833 | { |
---|
2834 | assert(0); |
---|
2835 | } |
---|
2836 | |
---|
2837 | Void TDecCavlc::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) |
---|
2838 | { |
---|
2839 | assert(0); |
---|
2840 | } |
---|
2841 | |
---|
2842 | Void TDecCavlc::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) |
---|
2843 | { |
---|
2844 | assert(0); |
---|
2845 | } |
---|
2846 | |
---|
2847 | |
---|
2848 | Void TDecCavlc::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
2849 | { |
---|
2850 | assert(0); |
---|
2851 | } |
---|
2852 | |
---|
2853 | Void TDecCavlc::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2854 | { |
---|
2855 | assert(0); |
---|
2856 | } |
---|
2857 | |
---|
2858 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
2859 | Void |
---|
2860 | TDecCavlc::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2861 | { |
---|
2862 | assert(0); |
---|
2863 | } |
---|
2864 | #endif |
---|
2865 | |
---|
2866 | #if RWTH_SDC_DLT_B0036 |
---|
2867 | Void TDecCavlc::parseSDCFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2868 | { |
---|
2869 | assert(0); |
---|
2870 | } |
---|
2871 | Void TDecCavlc::parseSDCPredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
2872 | { |
---|
2873 | assert(0); |
---|
2874 | } |
---|
2875 | Void TDecCavlc::parseSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPart ) |
---|
2876 | { |
---|
2877 | assert(0); |
---|
2878 | } |
---|
2879 | #endif |
---|
2880 | |
---|
2881 | // ==================================================================================================================== |
---|
2882 | // Protected member functions |
---|
2883 | // ==================================================================================================================== |
---|
2884 | |
---|
2885 | Void TDecCavlc::xReadCode (UInt uiLength, UInt& ruiCode) |
---|
2886 | { |
---|
2887 | assert ( uiLength > 0 ); |
---|
2888 | m_pcBitstream->read (uiLength, ruiCode); |
---|
2889 | } |
---|
2890 | |
---|
2891 | Void TDecCavlc::xReadUvlc( UInt& ruiVal) |
---|
2892 | { |
---|
2893 | UInt uiVal = 0; |
---|
2894 | UInt uiCode = 0; |
---|
2895 | UInt uiLength; |
---|
2896 | m_pcBitstream->read( 1, uiCode ); |
---|
2897 | |
---|
2898 | if( 0 == uiCode ) |
---|
2899 | { |
---|
2900 | uiLength = 0; |
---|
2901 | |
---|
2902 | while( ! ( uiCode & 1 )) |
---|
2903 | { |
---|
2904 | m_pcBitstream->read( 1, uiCode ); |
---|
2905 | uiLength++; |
---|
2906 | } |
---|
2907 | |
---|
2908 | m_pcBitstream->read( uiLength, uiVal ); |
---|
2909 | |
---|
2910 | uiVal += (1 << uiLength)-1; |
---|
2911 | } |
---|
2912 | |
---|
2913 | ruiVal = uiVal; |
---|
2914 | } |
---|
2915 | |
---|
2916 | Void TDecCavlc::xReadSvlc( Int& riVal) |
---|
2917 | { |
---|
2918 | UInt uiBits = 0; |
---|
2919 | m_pcBitstream->read( 1, uiBits ); |
---|
2920 | if( 0 == uiBits ) |
---|
2921 | { |
---|
2922 | UInt uiLength = 0; |
---|
2923 | |
---|
2924 | while( ! ( uiBits & 1 )) |
---|
2925 | { |
---|
2926 | m_pcBitstream->read( 1, uiBits ); |
---|
2927 | uiLength++; |
---|
2928 | } |
---|
2929 | |
---|
2930 | m_pcBitstream->read( uiLength, uiBits ); |
---|
2931 | |
---|
2932 | uiBits += (1 << uiLength); |
---|
2933 | riVal = ( uiBits & 1) ? -(Int)(uiBits>>1) : (Int)(uiBits>>1); |
---|
2934 | } |
---|
2935 | else |
---|
2936 | { |
---|
2937 | riVal = 0; |
---|
2938 | } |
---|
2939 | } |
---|
2940 | |
---|
2941 | Void TDecCavlc::xReadFlag (UInt& ruiCode) |
---|
2942 | { |
---|
2943 | m_pcBitstream->read( 1, ruiCode ); |
---|
2944 | } |
---|
2945 | |
---|
2946 | /** Parse PCM alignment zero bits. |
---|
2947 | * \returns Void |
---|
2948 | */ |
---|
2949 | Void TDecCavlc::xReadPCMAlignZero( ) |
---|
2950 | { |
---|
2951 | UInt uiNumberOfBits = m_pcBitstream->getNumBitsUntilByteAligned(); |
---|
2952 | |
---|
2953 | if(uiNumberOfBits) |
---|
2954 | { |
---|
2955 | UInt uiBits; |
---|
2956 | UInt uiSymbol; |
---|
2957 | |
---|
2958 | for(uiBits = 0; uiBits < uiNumberOfBits; uiBits++) |
---|
2959 | { |
---|
2960 | xReadFlag( uiSymbol ); |
---|
2961 | |
---|
2962 | if(uiSymbol) |
---|
2963 | { |
---|
2964 | printf("\nWarning! pcm_align_zero include a non-zero value.\n"); |
---|
2965 | } |
---|
2966 | } |
---|
2967 | } |
---|
2968 | } |
---|
2969 | |
---|
2970 | Void TDecCavlc::xReadUnaryMaxSymbol( UInt& ruiSymbol, UInt uiMaxSymbol ) |
---|
2971 | { |
---|
2972 | if (uiMaxSymbol == 0) |
---|
2973 | { |
---|
2974 | ruiSymbol = 0; |
---|
2975 | return; |
---|
2976 | } |
---|
2977 | |
---|
2978 | xReadFlag( ruiSymbol ); |
---|
2979 | |
---|
2980 | if (ruiSymbol == 0 || uiMaxSymbol == 1) |
---|
2981 | { |
---|
2982 | return; |
---|
2983 | } |
---|
2984 | |
---|
2985 | UInt uiSymbol = 0; |
---|
2986 | UInt uiCont; |
---|
2987 | |
---|
2988 | do |
---|
2989 | { |
---|
2990 | xReadFlag( uiCont ); |
---|
2991 | uiSymbol++; |
---|
2992 | } |
---|
2993 | while( uiCont && (uiSymbol < uiMaxSymbol-1) ); |
---|
2994 | |
---|
2995 | if( uiCont && (uiSymbol == uiMaxSymbol-1) ) |
---|
2996 | { |
---|
2997 | uiSymbol++; |
---|
2998 | } |
---|
2999 | |
---|
3000 | ruiSymbol = uiSymbol; |
---|
3001 | } |
---|
3002 | |
---|
3003 | Void TDecCavlc::xReadExGolombLevel( UInt& ruiSymbol ) |
---|
3004 | { |
---|
3005 | UInt uiSymbol ; |
---|
3006 | UInt uiCount = 0; |
---|
3007 | do |
---|
3008 | { |
---|
3009 | xReadFlag( uiSymbol ); |
---|
3010 | uiCount++; |
---|
3011 | } |
---|
3012 | while( uiSymbol && (uiCount != 13)); |
---|
3013 | |
---|
3014 | ruiSymbol = uiCount-1; |
---|
3015 | |
---|
3016 | if( uiSymbol ) |
---|
3017 | { |
---|
3018 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
3019 | ruiSymbol += uiSymbol+1; |
---|
3020 | } |
---|
3021 | |
---|
3022 | return; |
---|
3023 | } |
---|
3024 | |
---|
3025 | Void TDecCavlc::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
---|
3026 | { |
---|
3027 | UInt uiSymbol = 0; |
---|
3028 | UInt uiBit = 1; |
---|
3029 | |
---|
3030 | |
---|
3031 | while( uiBit ) |
---|
3032 | { |
---|
3033 | xReadFlag( uiBit ); |
---|
3034 | uiSymbol += uiBit << uiCount++; |
---|
3035 | } |
---|
3036 | |
---|
3037 | uiCount--; |
---|
3038 | while( uiCount-- ) |
---|
3039 | { |
---|
3040 | xReadFlag( uiBit ); |
---|
3041 | uiSymbol += uiBit << uiCount; |
---|
3042 | } |
---|
3043 | |
---|
3044 | ruiSymbol = uiSymbol; |
---|
3045 | |
---|
3046 | return; |
---|
3047 | } |
---|
3048 | |
---|
3049 | UInt TDecCavlc::xGetBit() |
---|
3050 | { |
---|
3051 | UInt ruiCode; |
---|
3052 | m_pcBitstream->read( 1, ruiCode ); |
---|
3053 | return ruiCode; |
---|
3054 | } |
---|
3055 | |
---|
3056 | |
---|
3057 | /** parse explicit wp tables |
---|
3058 | * \param TComSlice* pcSlice |
---|
3059 | * \returns Void |
---|
3060 | */ |
---|
3061 | Void TDecCavlc::xParsePredWeightTable( TComSlice* pcSlice ) |
---|
3062 | { |
---|
3063 | wpScalingParam *wp; |
---|
3064 | Bool bChroma = true; // color always present in HEVC ? |
---|
3065 | TComPPS* pps = pcSlice->getPPS(); |
---|
3066 | SliceType eSliceType = pcSlice->getSliceType(); |
---|
3067 | Int iNbRef = (eSliceType == B_SLICE ) ? (2) : (1); |
---|
3068 | UInt uiLog2WeightDenomLuma, uiLog2WeightDenomChroma; |
---|
3069 | UInt uiMode = 0; |
---|
3070 | |
---|
3071 | if ( (eSliceType==P_SLICE && pps->getUseWP()) || (eSliceType==B_SLICE && pps->getWPBiPredIdc()==1 && pcSlice->getRefPicListCombinationFlag()==0) ) |
---|
3072 | uiMode = 1; // explicit |
---|
3073 | else if ( eSliceType==B_SLICE && pps->getWPBiPredIdc()==2 ) |
---|
3074 | uiMode = 2; // implicit |
---|
3075 | else if (eSliceType==B_SLICE && pps->getWPBiPredIdc()==1 && pcSlice->getRefPicListCombinationFlag()) |
---|
3076 | uiMode = 3; // combined explicit |
---|
3077 | |
---|
3078 | if ( uiMode == 1 ) // explicit |
---|
3079 | { |
---|
3080 | printf("\nTDecCavlc::xParsePredWeightTable(poc=%d) explicit...\n", pcSlice->getPOC()); |
---|
3081 | Int iDeltaDenom; |
---|
3082 | // decode delta_luma_log2_weight_denom : |
---|
3083 | READ_UVLC( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom |
---|
3084 | if( bChroma ) |
---|
3085 | { |
---|
3086 | READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom |
---|
3087 | assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)>=0); |
---|
3088 | uiLog2WeightDenomChroma = (UInt)(iDeltaDenom + uiLog2WeightDenomLuma); |
---|
3089 | } |
---|
3090 | |
---|
3091 | for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) |
---|
3092 | { |
---|
3093 | RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
---|
3094 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
---|
3095 | { |
---|
3096 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
3097 | |
---|
3098 | wp[0].uiLog2WeightDenom = uiLog2WeightDenomLuma; |
---|
3099 | wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
3100 | wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
3101 | |
---|
3102 | UInt uiCode; |
---|
3103 | READ_FLAG( uiCode, "luma_weight_lX_flag" ); // u(1): luma_weight_l0_flag |
---|
3104 | wp[0].bPresentFlag = ( uiCode == 1 ); |
---|
3105 | if ( wp[0].bPresentFlag ) |
---|
3106 | { |
---|
3107 | Int iDeltaWeight; |
---|
3108 | READ_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_l0[i] |
---|
3109 | wp[0].iWeight = (iDeltaWeight + (1<<wp[0].uiLog2WeightDenom)); |
---|
3110 | READ_SVLC( wp[0].iOffset, "luma_offset_lX" ); // se(v): luma_offset_l0[i] |
---|
3111 | } |
---|
3112 | else |
---|
3113 | { |
---|
3114 | wp[0].iWeight = (1 << wp[0].uiLog2WeightDenom); |
---|
3115 | wp[0].iOffset = 0; |
---|
3116 | } |
---|
3117 | if ( bChroma ) |
---|
3118 | { |
---|
3119 | READ_FLAG( uiCode, "chroma_weight_lX_flag" ); // u(1): chroma_weight_l0_flag |
---|
3120 | wp[1].bPresentFlag = ( uiCode == 1 ); |
---|
3121 | wp[2].bPresentFlag = ( uiCode == 1 ); |
---|
3122 | if ( wp[1].bPresentFlag ) |
---|
3123 | { |
---|
3124 | for ( Int j=1 ; j<3 ; j++ ) |
---|
3125 | { |
---|
3126 | Int iDeltaWeight; |
---|
3127 | READ_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): chroma_weight_l0[i][j] |
---|
3128 | wp[j].iWeight = (iDeltaWeight + (1<<wp[1].uiLog2WeightDenom)); |
---|
3129 | |
---|
3130 | Int iDeltaChroma; |
---|
3131 | READ_SVLC( iDeltaChroma, "delta_chroma_offset_lX" ); // se(v): delta_chroma_offset_l0[i][j] |
---|
3132 | wp[j].iOffset = iDeltaChroma - ( ( (g_uiIBDI_MAX>>1)*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) + (g_uiIBDI_MAX>>1); |
---|
3133 | } |
---|
3134 | } |
---|
3135 | else |
---|
3136 | { |
---|
3137 | for ( Int j=1 ; j<3 ; j++ ) |
---|
3138 | { |
---|
3139 | wp[j].iWeight = (1 << wp[j].uiLog2WeightDenom); |
---|
3140 | wp[j].iOffset = 0; |
---|
3141 | } |
---|
3142 | } |
---|
3143 | } |
---|
3144 | } |
---|
3145 | |
---|
3146 | for ( Int iRefIdx=pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx<MAX_NUM_REF ; iRefIdx++ ) |
---|
3147 | { |
---|
3148 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
3149 | |
---|
3150 | wp[0].bPresentFlag = false; |
---|
3151 | wp[1].bPresentFlag = false; |
---|
3152 | wp[2].bPresentFlag = false; |
---|
3153 | } |
---|
3154 | } |
---|
3155 | } |
---|
3156 | else if ( uiMode == 2 ) // implicit |
---|
3157 | { |
---|
3158 | printf("\nTDecCavlc::xParsePredWeightTable(poc=%d) implicit...\n", pcSlice->getPOC()); |
---|
3159 | } |
---|
3160 | else if ( uiMode == 3 ) // combined explicit |
---|
3161 | { |
---|
3162 | printf("\nTDecCavlc::xParsePredWeightTable(poc=%d) combined explicit...\n", pcSlice->getPOC()); |
---|
3163 | Int iDeltaDenom; |
---|
3164 | // decode delta_luma_log2_weight_denom : |
---|
3165 | READ_UVLC ( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom |
---|
3166 | if( bChroma ) |
---|
3167 | { |
---|
3168 | READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // ue(v): delta_chroma_log2_weight_denom |
---|
3169 | assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)>=0); |
---|
3170 | uiLog2WeightDenomChroma = (UInt)(iDeltaDenom + uiLog2WeightDenomLuma); |
---|
3171 | } |
---|
3172 | |
---|
3173 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(REF_PIC_LIST_C) ; iRefIdx++ ) |
---|
3174 | { |
---|
3175 | pcSlice->getWpScalingLC(iRefIdx, wp); |
---|
3176 | |
---|
3177 | wp[0].uiLog2WeightDenom = uiLog2WeightDenomLuma; |
---|
3178 | wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
3179 | wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
3180 | |
---|
3181 | UInt uiCode; |
---|
3182 | READ_FLAG( uiCode, "luma_weight_lc_flag" ); // u(1): luma_weight_lc_flag |
---|
3183 | wp[0].bPresentFlag = ( uiCode == 1 ); |
---|
3184 | if ( wp[0].bPresentFlag ) |
---|
3185 | { |
---|
3186 | Int iDeltaWeight; |
---|
3187 | READ_SVLC( iDeltaWeight, "delta_luma_weight_lc" ); // se(v): delta_luma_weight_lc |
---|
3188 | wp[0].iWeight = (iDeltaWeight + (1<<wp[0].uiLog2WeightDenom)); |
---|
3189 | READ_SVLC( wp[0].iOffset, "luma_offset_lc" ); // se(v): luma_offset_lc |
---|
3190 | } |
---|
3191 | else |
---|
3192 | { |
---|
3193 | wp[0].iWeight = (1 << wp[0].uiLog2WeightDenom); |
---|
3194 | wp[0].iOffset = 0; |
---|
3195 | } |
---|
3196 | if ( bChroma ) |
---|
3197 | { |
---|
3198 | READ_FLAG( uiCode, "chroma_weight_lc_flag" ); // u(1): chroma_weight_lc_flag |
---|
3199 | wp[1].bPresentFlag = ( uiCode == 1 ); |
---|
3200 | wp[2].bPresentFlag = ( uiCode == 1 ); |
---|
3201 | if ( wp[1].bPresentFlag ) |
---|
3202 | { |
---|
3203 | for ( Int j=1 ; j<3 ; j++ ) |
---|
3204 | { |
---|
3205 | Int iDeltaWeight; |
---|
3206 | READ_SVLC( iDeltaWeight, "delta_chroma_weight_lc" ); // se(v): delta_chroma_weight_lc |
---|
3207 | wp[j].iWeight = (iDeltaWeight + (1<<wp[1].uiLog2WeightDenom)); |
---|
3208 | |
---|
3209 | Int iDeltaChroma; |
---|
3210 | READ_SVLC( iDeltaChroma, "delta_chroma_offset_lc" ); // se(v): delta_chroma_offset_lc |
---|
3211 | wp[j].iOffset = iDeltaChroma - ( ( (g_uiIBDI_MAX>>1)*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) + (g_uiIBDI_MAX>>1); |
---|
3212 | } |
---|
3213 | } |
---|
3214 | else |
---|
3215 | { |
---|
3216 | for ( Int j=1 ; j<3 ; j++ ) |
---|
3217 | { |
---|
3218 | wp[j].iWeight = (1 << wp[j].uiLog2WeightDenom); |
---|
3219 | wp[j].iOffset = 0; |
---|
3220 | } |
---|
3221 | } |
---|
3222 | } |
---|
3223 | } |
---|
3224 | |
---|
3225 | for ( Int iRefIdx=pcSlice->getNumRefIdx(REF_PIC_LIST_C) ; iRefIdx<2*MAX_NUM_REF ; iRefIdx++ ) |
---|
3226 | { |
---|
3227 | pcSlice->getWpScalingLC(iRefIdx, wp); |
---|
3228 | |
---|
3229 | wp[0].bPresentFlag = false; |
---|
3230 | wp[1].bPresentFlag = false; |
---|
3231 | wp[2].bPresentFlag = false; |
---|
3232 | } |
---|
3233 | } |
---|
3234 | else |
---|
3235 | { |
---|
3236 | printf("\n wrong weight pred table syntax \n "); |
---|
3237 | assert(0); |
---|
3238 | } |
---|
3239 | } |
---|
3240 | |
---|
3241 | /** decode quantization matrix |
---|
3242 | * \param scalingList quantization matrix information |
---|
3243 | */ |
---|
3244 | Void TDecCavlc::parseScalingList(TComScalingList* scalingList) |
---|
3245 | { |
---|
3246 | UInt code, sizeId, listId; |
---|
3247 | Bool scalingListPredModeFlag; |
---|
3248 | READ_FLAG( code, "scaling_list_present_flag" ); |
---|
3249 | scalingList->setScalingListPresentFlag ( (code==1)?true:false ); |
---|
3250 | if(scalingList->getScalingListPresentFlag() == false) |
---|
3251 | { |
---|
3252 | //for each size |
---|
3253 | for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) |
---|
3254 | { |
---|
3255 | for(listId = 0; listId < g_scalingListNum[sizeId]; listId++) |
---|
3256 | { |
---|
3257 | READ_FLAG( code, "scaling_list_pred_mode_flag"); |
---|
3258 | scalingListPredModeFlag = (code) ? true : false; |
---|
3259 | if(!scalingListPredModeFlag) //Copy Mode |
---|
3260 | { |
---|
3261 | READ_UVLC( code, "scaling_list_pred_matrix_id_delta"); |
---|
3262 | scalingList->setRefMatrixId (sizeId,listId,(UInt)((Int)(listId)-(code+1))); |
---|
3263 | #if SCALING_LIST |
---|
3264 | if( sizeId > SCALING_LIST_8x8 ) |
---|
3265 | { |
---|
3266 | scalingList->setScalingListDC(sizeId,listId,scalingList->getScalingListDC(sizeId, scalingList->getRefMatrixId (sizeId,listId))); |
---|
3267 | } |
---|
3268 | #endif |
---|
3269 | scalingList->processRefMatrix( sizeId, listId, scalingList->getRefMatrixId (sizeId,listId)); |
---|
3270 | |
---|
3271 | } |
---|
3272 | else //DPCM Mode |
---|
3273 | { |
---|
3274 | xDecodeScalingList(scalingList, sizeId, listId); |
---|
3275 | } |
---|
3276 | } |
---|
3277 | } |
---|
3278 | } |
---|
3279 | |
---|
3280 | return; |
---|
3281 | } |
---|
3282 | /** decode DPCM |
---|
3283 | * \param scalingList quantization matrix information |
---|
3284 | * \param sizeId size index |
---|
3285 | * \param listId list index |
---|
3286 | */ |
---|
3287 | Void TDecCavlc::xDecodeScalingList(TComScalingList *scalingList, UInt sizeId, UInt listId) |
---|
3288 | { |
---|
3289 | #if SCALING_LIST |
---|
3290 | Int i,coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); |
---|
3291 | Int data; |
---|
3292 | Int scalingListDcCoefMinus8 = 0; |
---|
3293 | Int nextCoef = SCALING_LIST_START_VALUE; |
---|
3294 | UInt* scan = g_auiFrameScanXY [ (sizeId == 0)? 1 : 2 ]; |
---|
3295 | Bool stopNow = false; |
---|
3296 | Int *dst = scalingList->getScalingListAddress(sizeId, listId); |
---|
3297 | |
---|
3298 | scalingList->setUseDefaultScalingMatrixFlag(sizeId,listId,false); |
---|
3299 | if( sizeId > SCALING_LIST_8x8 ) |
---|
3300 | { |
---|
3301 | READ_SVLC( scalingListDcCoefMinus8, "scaling_list_dc_coef_minus8"); |
---|
3302 | scalingList->setScalingListDC(sizeId,listId,scalingListDcCoefMinus8 + 8); |
---|
3303 | if(scalingListDcCoefMinus8 == -8) |
---|
3304 | { |
---|
3305 | scalingList->processDefaultMarix(sizeId,listId); |
---|
3306 | } |
---|
3307 | } |
---|
3308 | |
---|
3309 | if( !scalingList->getUseDefaultScalingMatrixFlag(sizeId,listId)) |
---|
3310 | { |
---|
3311 | for(i = 0; i < coefNum && !stopNow ; i++) |
---|
3312 | { |
---|
3313 | READ_SVLC( data, "scaling_list_delta_coef"); |
---|
3314 | nextCoef = (nextCoef + data + 256 ) % 256; |
---|
3315 | if(sizeId < SCALING_LIST_16x16) |
---|
3316 | { |
---|
3317 | if( i == 0 && nextCoef == 0 ) |
---|
3318 | { |
---|
3319 | scalingList->processDefaultMarix(sizeId,listId); |
---|
3320 | stopNow = true; |
---|
3321 | } |
---|
3322 | } |
---|
3323 | if(!stopNow) |
---|
3324 | { |
---|
3325 | dst[scan[i]] = nextCoef; |
---|
3326 | } |
---|
3327 | } |
---|
3328 | } |
---|
3329 | #else |
---|
3330 | Int i,coefNum = g_scalingListSize[sizeId]; |
---|
3331 | Int data; |
---|
3332 | Int nextCoef = SCALING_LIST_START_VALUE; |
---|
3333 | UInt* scan = g_auiFrameScanXY [ sizeId + 1 ]; |
---|
3334 | Int *dst = scalingList->getScalingListAddress(sizeId, listId); |
---|
3335 | |
---|
3336 | for(i = 0; i < coefNum; i++) |
---|
3337 | { |
---|
3338 | READ_SVLC( data, "scaling_list_delta_coef"); |
---|
3339 | nextCoef = (nextCoef + data + 256 ) % 256; |
---|
3340 | dst[scan[i]] = nextCoef; |
---|
3341 | } |
---|
3342 | #endif |
---|
3343 | } |
---|
3344 | |
---|
3345 | Void TDecCavlc::parseDFFlag(UInt& ruiVal, const Char *pSymbolName) |
---|
3346 | { |
---|
3347 | READ_FLAG(ruiVal, pSymbolName); |
---|
3348 | } |
---|
3349 | Void TDecCavlc::parseDFSvlc(Int& riVal, const Char *pSymbolName) |
---|
3350 | { |
---|
3351 | READ_SVLC(riVal, pSymbolName); |
---|
3352 | } |
---|
3353 | |
---|
3354 | Bool TDecCavlc::xMoreRbspData() |
---|
3355 | { |
---|
3356 | Int bitsLeft = m_pcBitstream->getNumBitsLeft(); |
---|
3357 | |
---|
3358 | // if there are more than 8 bits, it cannot be rbsp_trailing_bits |
---|
3359 | if (bitsLeft > 8) |
---|
3360 | { |
---|
3361 | return true; |
---|
3362 | } |
---|
3363 | |
---|
3364 | UChar lastByte = m_pcBitstream->peekBits(bitsLeft); |
---|
3365 | Int cnt = bitsLeft; |
---|
3366 | |
---|
3367 | // remove trailing bits equal to zero |
---|
3368 | while ((cnt>0) && ((lastByte & 1) == 0)) |
---|
3369 | { |
---|
3370 | lastByte >>= 1; |
---|
3371 | cnt--; |
---|
3372 | } |
---|
3373 | // remove bit equal to one |
---|
3374 | cnt--; |
---|
3375 | |
---|
3376 | // we should not have a negative number of bits |
---|
3377 | assert (cnt>=0); |
---|
3378 | |
---|
3379 | // we have more data, if cnt is not zero |
---|
3380 | return (cnt>0); |
---|
3381 | } |
---|
3382 | |
---|
3383 | //! \} |
---|