[5] | 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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[56] | 4 | * granted under this license. |
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[5] | 5 | * |
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[56] | 6 | * Copyright (c) 2010-2012, ITU/ISO/IEC |
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[5] | 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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[56] | 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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[5] | 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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[2] | 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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[56] | 40 | #include "TDecSlice.h" |
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[2] | 41 | |
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[56] | 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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[2] | 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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[56] | 122 | m_iSliceGranularity = 0; |
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[2] | 123 | |
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[56] | 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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[2] | 129 | { |
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[56] | 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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[2] | 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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[56] | 139 | for( UInt uiVId = 0; uiVId < MAX_VIEW_NUM; uiVId++ ) |
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[2] | 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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[56] | 161 | assert(!m_pcBitstream->getNumBitsUntilByteAligned()); |
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| 162 | do |
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| 163 | { |
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[2] | 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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[56] | 167 | assert(!m_pcBitstream->getNumBitsUntilByteAligned()); |
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[2] | 168 | } while (0x80 != m_pcBitstream->peekBits(8)); |
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[56] | 169 | assert(m_pcBitstream->getNumBitsLeft() == 8); /* rsbp_trailing_bits */ |
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[2] | 170 | } |
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[56] | 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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[2] | 176 | { |
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[56] | 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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[2] | 190 | #endif |
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[56] | 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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[2] | 209 | |
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[56] | 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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[2] | 254 | #endif |
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| 255 | } |
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| 256 | |
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[56] | 257 | Void TDecCavlc::parseAPS(TComAPS* aps) |
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[2] | 258 | { |
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[56] | 259 | #if ENC_DEC_TRACE |
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| 260 | xTraceAPSHeader(aps); |
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[2] | 261 | #endif |
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| 262 | |
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[56] | 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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[2] | 269 | #endif |
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[56] | 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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[2] | 272 | #endif |
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[56] | 273 | if(aps->getScalingListEnabled()) |
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[2] | 274 | { |
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[56] | 275 | parseScalingList( aps->getScalingList() ); |
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[2] | 276 | } |
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[56] | 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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[2] | 282 | #endif |
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[56] | 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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[2] | 288 | #endif |
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[56] | 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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[2] | 296 | #endif |
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[56] | 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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[2] | 299 | #endif |
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[56] | 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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[2] | 304 | #endif |
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[56] | 305 | xParseAlfParam( aps->getAlfParam()); |
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[2] | 306 | } |
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[56] | 307 | READ_FLAG( uiCode, "aps_extension_flag"); |
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| 308 | if (uiCode) |
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[2] | 309 | { |
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[56] | 310 | while ( xMoreRbspData() ) |
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[2] | 311 | { |
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[56] | 312 | READ_FLAG( uiCode, "aps_extension_data_flag"); |
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[2] | 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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[56] | 318 | #if DBL_CONTROL |
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| 319 | Void TDecCavlc::xParseDblParam ( TComAPS* aps ) |
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[2] | 320 | { |
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[56] | 321 | UInt uiSymbol; |
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| 322 | Int iSymbol; |
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[2] | 323 | |
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[56] | 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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[2] | 328 | { |
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[56] | 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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[2] | 333 | } |
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[56] | 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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[2] | 342 | |
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[56] | 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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[2] | 356 | |
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[56] | 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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[2] | 360 | |
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[56] | 361 | if (pSaoParam->bSaoFlag[1]) |
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[2] | 362 | { |
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[56] | 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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[2] | 366 | } |
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[56] | 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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[2] | 395 | #else |
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[56] | 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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[2] | 403 | { |
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[56] | 404 | xParseSaoSplitParam (pSaoParam, 0, 1); |
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| 405 | xParseSaoOffsetParam(pSaoParam, 0, 1); |
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[2] | 406 | } |
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| 407 | |
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[56] | 408 | READ_FLAG (uiSymbol, "sao_flag_cr"); |
---|
| 409 | pSaoParam->bSaoFlag[2] = uiSymbol? true:false; |
---|
| 410 | if (pSaoParam->bSaoFlag[2]) |
---|
[2] | 411 | { |
---|
[56] | 412 | xParseSaoSplitParam (pSaoParam, 0, 2); |
---|
| 413 | xParseSaoOffsetParam(pSaoParam, 0, 2); |
---|
[2] | 414 | } |
---|
[56] | 415 | } |
---|
| 416 | #endif |
---|
| 417 | } |
---|
| 418 | #if SAO_UNIT_INTERLEAVING |
---|
| 419 | /** copy SAO parameter |
---|
| 420 | * \param dst |
---|
| 421 | * \param src |
---|
| 422 | */ |
---|
| 423 | inline Void copySaoOneLcuParam(SaoLcuParam* dst, SaoLcuParam* src) |
---|
| 424 | { |
---|
| 425 | Int i; |
---|
| 426 | dst->partIdx = src->partIdx; |
---|
| 427 | dst->typeIdx = src->typeIdx; |
---|
| 428 | if (dst->typeIdx != -1) |
---|
| 429 | { |
---|
| 430 | if (dst->typeIdx == SAO_BO) |
---|
| 431 | { |
---|
| 432 | dst->bandPosition = src->bandPosition ; |
---|
| 433 | } |
---|
[2] | 434 | else |
---|
| 435 | { |
---|
[56] | 436 | dst->bandPosition = 0; |
---|
[2] | 437 | } |
---|
[56] | 438 | dst->length = src->length; |
---|
| 439 | for (i=0;i<dst->length;i++) |
---|
[2] | 440 | { |
---|
[56] | 441 | dst->offset[i] = src->offset[i]; |
---|
[2] | 442 | } |
---|
[56] | 443 | } |
---|
| 444 | else |
---|
| 445 | { |
---|
| 446 | dst->length = 0; |
---|
| 447 | for (i=0;i<SAO_BO_LEN;i++) |
---|
[2] | 448 | { |
---|
[56] | 449 | dst->offset[i] = 0; |
---|
[2] | 450 | } |
---|
[56] | 451 | } |
---|
| 452 | } |
---|
| 453 | /** parse SAO offset |
---|
| 454 | * \param saoLcuParam SAO LCU parameters |
---|
| 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 | }; |
---|
[2] | 467 | |
---|
[56] | 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 ) |
---|
[2] | 473 | { |
---|
[56] | 474 | READ_CODE( 5, uiSymbol, "sao_band_position"); saoLcuParam->bandPosition = uiSymbol; |
---|
| 475 | for(Int i=0; i< saoLcuParam->length; i++) |
---|
[2] | 476 | { |
---|
[56] | 477 | READ_SVLC (iSymbol, "sao_offset"); saoLcuParam->offset[i] = iSymbol; |
---|
| 478 | } |
---|
[2] | 479 | } |
---|
[56] | 480 | else if( saoLcuParam->typeIdx < 4 ) |
---|
[2] | 481 | { |
---|
[56] | 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; |
---|
| 485 | READ_UVLC (uiSymbol, "sao_offset"); saoLcuParam->offset[3] = -(Int)uiSymbol; |
---|
[2] | 486 | } |
---|
[56] | 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 |
---|
| 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; |
---|
| 516 | |
---|
| 517 | saoOneLcu = &(saoParam->saoLcuParam[compIdx][addr]); |
---|
| 518 | if (!repeatedRow) |
---|
| 519 | { |
---|
| 520 | runLeft = (addrLeft>=0 ) ? saoParam->saoLcuParam[compIdx][addrLeft].run : -1; |
---|
| 521 | if (rx == 0 || runLeft==0) |
---|
[2] | 522 | { |
---|
[56] | 523 | saoOneLcu->mergeLeftFlag = 0; |
---|
| 524 | if (ry == 0) |
---|
[2] | 525 | { |
---|
[56] | 526 | maxValue = numCuInWidth-rx-1; |
---|
| 527 | UInt length = 0; |
---|
| 528 | UInt val = 0; |
---|
| 529 | if (maxValue) |
---|
[2] | 530 | { |
---|
[56] | 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 | } |
---|
[2] | 543 | } |
---|
[56] | 544 | uiSymbol = val; |
---|
| 545 | saoOneLcu->runDiff = uiSymbol; |
---|
| 546 | xParseSaoOffset(saoOneLcu); |
---|
| 547 | saoOneLcu->run = saoOneLcu->runDiff; |
---|
| 548 | } |
---|
| 549 | else |
---|
| 550 | { |
---|
| 551 | saoOneLcuUp = &(saoParam->saoLcuParam[compIdx][addrUp]); |
---|
| 552 | READ_SVLC (iSymbol , "sao_run_diff" ); saoOneLcu->runDiff = iSymbol; |
---|
| 553 | READ_FLAG (uiSymbol, "sao_merge_up_flag"); saoOneLcu->mergeUpFlag = uiSymbol? true:false; |
---|
| 554 | if (!saoOneLcu->mergeUpFlag) |
---|
| 555 | { |
---|
| 556 | xParseSaoOffset(saoOneLcu); |
---|
| 557 | } |
---|
[2] | 558 | else |
---|
| 559 | { |
---|
[56] | 560 | saoOneLcuUp = &(saoParam->saoLcuParam[compIdx][addrUp]); |
---|
| 561 | copySaoOneLcuParam(saoOneLcu, saoOneLcuUp); |
---|
[2] | 562 | } |
---|
[56] | 563 | saoOneLcu->run = saoOneLcu->runDiff + saoOneLcuUp->run; |
---|
[2] | 564 | } |
---|
| 565 | } |
---|
| 566 | else |
---|
| 567 | { |
---|
[56] | 568 | saoOneLcuLeft = &(saoParam->saoLcuParam[compIdx][addrLeft]); |
---|
| 569 | copySaoOneLcuParam(saoOneLcu, saoOneLcuLeft); |
---|
| 570 | saoOneLcu->mergeLeftFlag = 1; |
---|
| 571 | saoOneLcu->run = saoOneLcuLeft->run-1; |
---|
[2] | 572 | } |
---|
[56] | 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 | } |
---|
[2] | 585 | |
---|
[56] | 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) |
---|
[2] | 601 | { |
---|
[56] | 602 | for (Int i=0;i<NUM_DOWN_PART;i++) |
---|
[2] | 603 | { |
---|
[56] | 604 | xParseSaoSplitParam(pSaoParam, pSaoPart->DownPartsIdx[i], iYCbCr); |
---|
[2] | 605 | } |
---|
| 606 | } |
---|
[56] | 607 | } |
---|
| 608 | else |
---|
| 609 | { |
---|
| 610 | pSaoPart->bSplit = false; |
---|
| 611 | } |
---|
| 612 | } |
---|
[2] | 613 | |
---|
[56] | 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]); |
---|
[2] | 623 | |
---|
[56] | 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) |
---|
[2] | 636 | { |
---|
[56] | 637 | pSaoPart->iBestType = uiSymbol-1; |
---|
| 638 | pSaoPart->bEnableFlag = true; |
---|
[2] | 639 | } |
---|
[56] | 640 | else |
---|
[2] | 641 | { |
---|
[56] | 642 | pSaoPart->iBestType = -1; |
---|
| 643 | pSaoPart->bEnableFlag = false; |
---|
[2] | 644 | } |
---|
| 645 | |
---|
[56] | 646 | if (pSaoPart->bEnableFlag) |
---|
[2] | 647 | { |
---|
[56] | 648 | pSaoPart->iLength = iTypeLength[pSaoPart->iBestType]; |
---|
| 649 | for(Int i=0; i< pSaoPart->iLength; i++) |
---|
[2] | 650 | { |
---|
[56] | 651 | READ_SVLC (iSymbol, "sao_offset"); |
---|
| 652 | pSaoPart->iOffset[i] = iSymbol; |
---|
[2] | 653 | } |
---|
| 654 | } |
---|
[56] | 655 | return; |
---|
[2] | 656 | } |
---|
[56] | 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 | } |
---|
[2] | 666 | } |
---|
[56] | 667 | #endif |
---|
[2] | 668 | |
---|
[56] | 669 | #if LCU_SYNTAX_ALF |
---|
| 670 | Void TDecCavlc::xParseAlfParam(AlfParamSet* pAlfParamSet, Bool bSentInAPS, Int firstLCUAddr, Bool acrossSlice, Int numLCUInWidth, Int numLCUInHeight) |
---|
[2] | 671 | { |
---|
[56] | 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]) |
---|
[2] | 684 | { |
---|
[56] | 685 | READ_FLAG(uiSymbol, "alf_one_cb_unit_per_slice_flag"); isUniParam[ALF_Cb] = ((uiSymbol ==1)?true:false); |
---|
[2] | 686 | } |
---|
[56] | 687 | |
---|
| 688 | isUniParam[ALF_Cr] = true; |
---|
| 689 | if (isEnabled[ALF_Cr]) |
---|
[2] | 690 | { |
---|
[56] | 691 | READ_FLAG(uiSymbol, "alf_one_cr_unit_per_slice_flag"); isUniParam[ALF_Cr] = ((uiSymbol ==1)?true:false); |
---|
[2] | 692 | } |
---|
[56] | 693 | |
---|
| 694 | if(bSentInAPS) |
---|
[2] | 695 | { |
---|
[56] | 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; |
---|
[2] | 699 | } |
---|
[56] | 700 | else //sent in slice header |
---|
[2] | 701 | { |
---|
[56] | 702 | READ_UVLC(uiSymbol, "alf_num_lcu_in_slice_minus1"); numLCU = uiSymbol+1; |
---|
[2] | 703 | } |
---|
[56] | 704 | |
---|
| 705 | assert(pAlfParamSet != NULL); |
---|
| 706 | |
---|
| 707 | pAlfParamSet->create(numLCUInWidth, numLCUInHeight, numLCU); |
---|
| 708 | for(Int compIdx = 0; compIdx < NUM_ALF_COMPONENT; compIdx++) |
---|
[2] | 709 | { |
---|
[56] | 710 | pAlfParamSet->isEnabled[compIdx] = isEnabled[compIdx]; |
---|
| 711 | pAlfParamSet->isUniParam[compIdx]= isUniParam[compIdx]; |
---|
[2] | 712 | } |
---|
[56] | 713 | |
---|
| 714 | parseAlfParamSet(pAlfParamSet, firstLCUAddr, acrossSlice); |
---|
[2] | 715 | } |
---|
| 716 | |
---|
| 717 | |
---|
[56] | 718 | Void TDecCavlc::parseAlfParamSet(AlfParamSet* pAlfParamSet, Int firstLCUAddr, Bool alfAcrossSlice) |
---|
[2] | 719 | { |
---|
[56] | 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++) |
---|
[2] | 728 | { |
---|
[56] | 729 | isRepeatedRow[compIdx] = false; |
---|
| 730 | numStoredFilters[compIdx] = 0; |
---|
| 731 | |
---|
| 732 | run[compIdx] = new Int[numLCU+1]; |
---|
| 733 | run[compIdx][0] = -1; |
---|
[2] | 734 | } |
---|
[56] | 735 | |
---|
[2] | 736 | UInt uiSymbol; |
---|
[56] | 737 | Int iSymbol, ry, rx, addrUp; |
---|
| 738 | |
---|
| 739 | for(Int i=0; i< numLCU; i++) |
---|
[2] | 740 | { |
---|
[56] | 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 | } |
---|
[2] | 869 | } |
---|
[56] | 870 | |
---|
| 871 | for(Int compIdx =0; compIdx < NUM_ALF_COMPONENT; compIdx++) |
---|
[2] | 872 | { |
---|
[56] | 873 | delete[] run[compIdx]; |
---|
[2] | 874 | } |
---|
| 875 | } |
---|
| 876 | |
---|
[56] | 877 | |
---|
| 878 | Void TDecCavlc::parseAlfFixedLengthRun( UInt& idx, UInt rx, UInt numLCUInWidth ) |
---|
[2] | 879 | { |
---|
[56] | 880 | assert(numLCUInWidth > rx); |
---|
| 881 | |
---|
| 882 | UInt length = 0; |
---|
| 883 | UInt maxNumRun = numLCUInWidth - rx - 1; |
---|
| 884 | |
---|
| 885 | for(UInt i=0; i<32; i++) |
---|
[2] | 886 | { |
---|
[56] | 887 | if(maxNumRun&0x1) |
---|
| 888 | { |
---|
| 889 | length = i+1; |
---|
| 890 | } |
---|
| 891 | maxNumRun = (maxNumRun >> 1); |
---|
[2] | 892 | } |
---|
[56] | 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 | } |
---|
[2] | 904 | |
---|
| 905 | |
---|
[56] | 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++) |
---|
[2] | 914 | { |
---|
[56] | 915 | if(maxValue&0x1) |
---|
[2] | 916 | { |
---|
[56] | 917 | length = i+1; |
---|
[2] | 918 | } |
---|
[56] | 919 | maxValue = (maxValue >> 1); |
---|
[2] | 920 | } |
---|
[56] | 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 | } |
---|
[2] | 931 | } |
---|
| 932 | |
---|
[56] | 933 | #endif |
---|
[2] | 934 | |
---|
[56] | 935 | Void TDecCavlc::xParseAlfParam(ALFParam* pAlfParam) |
---|
[2] | 936 | { |
---|
| 937 | UInt uiSymbol; |
---|
[56] | 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 |
---|
[2] | 944 | |
---|
[56] | 945 | #if LCU_SYNTAX_ALF |
---|
| 946 | switch(pAlfParam->componentID) |
---|
[2] | 947 | { |
---|
[56] | 948 | case ALF_Cb: |
---|
| 949 | case ALF_Cr: |
---|
[2] | 950 | { |
---|
[56] | 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 | } |
---|
[2] | 959 | } |
---|
[56] | 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]; |
---|
[2] | 977 | |
---|
[56] | 978 | // filters_per_fr |
---|
| 979 | READ_UVLC (uiSymbol, "alf_no_filters_minus1"); |
---|
| 980 | pAlfParam->filters_per_group = uiSymbol + 1; |
---|
[2] | 981 | |
---|
[56] | 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; |
---|
[2] | 987 | } |
---|
[56] | 988 | else if (uiSymbol > 1) // filters_per_group > 2 |
---|
[2] | 989 | { |
---|
[56] | 990 | pAlfParam->filters_per_group = 1; |
---|
| 991 | #if LCU_SYNTAX_ALF |
---|
| 992 | #if ALF_16_BA_GROUPS |
---|
| 993 | Int numMergeFlags = 16; |
---|
[2] | 994 | #else |
---|
[56] | 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++) |
---|
[2] | 1005 | { |
---|
[56] | 1006 | READ_FLAG (uiSymbol, "alf_filter_pattern"); |
---|
| 1007 | pAlfParam->filterPattern[i] = uiSymbol; |
---|
| 1008 | pAlfParam->filters_per_group += uiSymbol; |
---|
[2] | 1009 | } |
---|
| 1010 | } |
---|
[56] | 1011 | |
---|
| 1012 | if (pAlfParam->filters_per_group > 1) |
---|
[2] | 1013 | { |
---|
[56] | 1014 | READ_FLAG (uiSymbol, "alf_pred_method"); |
---|
| 1015 | pAlfParam->predMethod = uiSymbol; |
---|
[2] | 1016 | } |
---|
[56] | 1017 | for(Int idx = 0; idx < pAlfParam->filters_per_group; ++idx) |
---|
[2] | 1018 | { |
---|
[56] | 1019 | READ_FLAG (uiSymbol,"alf_nb_pred_luma"); |
---|
| 1020 | pAlfParam->nbSPred[idx] = uiSymbol; |
---|
| 1021 | } |
---|
[2] | 1022 | |
---|
[56] | 1023 | #if ALF_SINGLE_FILTER_SHAPE |
---|
| 1024 | Int minScanVal = MIN_SCAN_POS_CROSS; |
---|
[2] | 1025 | #else |
---|
[56] | 1026 | Int minScanVal = (pAlfParam->filter_shape == ALF_STAR5x5) ? 0: MIN_SCAN_POS_CROSS; |
---|
| 1027 | #endif |
---|
[2] | 1028 | |
---|
[56] | 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 | } |
---|
[2] | 1036 | |
---|
[56] | 1037 | // Golomb parameters |
---|
| 1038 | #if LCU_SYNTAX_ALF |
---|
| 1039 | if( pAlfParam->filters_per_group > 1 ) |
---|
| 1040 | { |
---|
[2] | 1041 | #endif |
---|
[56] | 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++) |
---|
[2] | 1061 | { |
---|
[56] | 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]); |
---|
[2] | 1068 | #endif |
---|
| 1069 | } |
---|
[56] | 1070 | } |
---|
| 1071 | #if LCU_SYNTAX_ALF |
---|
| 1072 | } |
---|
| 1073 | break; |
---|
| 1074 | default: |
---|
[2] | 1075 | { |
---|
[56] | 1076 | printf("Not a legal component ID for ALF\n"); |
---|
| 1077 | assert(0); |
---|
| 1078 | exit(-1); |
---|
[2] | 1079 | } |
---|
| 1080 | } |
---|
| 1081 | #else |
---|
[56] | 1082 | // filter parameters for chroma |
---|
| 1083 | READ_UVLC (uiSymbol, "alf_chroma_idc"); |
---|
| 1084 | pAlfParam->chroma_idc = uiSymbol; |
---|
| 1085 | |
---|
| 1086 | if(pAlfParam->chroma_idc) |
---|
[2] | 1087 | { |
---|
[56] | 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 | } |
---|
[2] | 1103 | } |
---|
[56] | 1104 | #endif |
---|
| 1105 | } |
---|
[2] | 1106 | |
---|
[56] | 1107 | Int TDecCavlc::xGolombDecode(Int k) |
---|
| 1108 | { |
---|
[2] | 1109 | UInt uiSymbol; |
---|
[56] | 1110 | Int q = -1; |
---|
| 1111 | Int nr = 0; |
---|
| 1112 | Int a; |
---|
[2] | 1113 | |
---|
[56] | 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; |
---|
[2] | 1137 | } |
---|
[56] | 1138 | |
---|
| 1139 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
| 1140 | Void TDecCavlc::parsePPS(TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet) |
---|
| 1141 | #else |
---|
| 1142 | Void TDecCavlc::parsePPS(TComPPS* pcPPS) |
---|
[2] | 1143 | #endif |
---|
[56] | 1144 | { |
---|
| 1145 | #if ENC_DEC_TRACE |
---|
| 1146 | xTracePPSHeader (pcPPS); |
---|
| 1147 | #endif |
---|
| 1148 | UInt uiCode; |
---|
[2] | 1149 | |
---|
[56] | 1150 | Int iCode; |
---|
[2] | 1151 | |
---|
[56] | 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() ) |
---|
[2] | 1161 | { |
---|
[56] | 1162 | READ_CODE( 4, uiCode, "sign_hiding_threshold"); pcPPS->setTSIG(uiCode); |
---|
[2] | 1163 | } |
---|
| 1164 | #endif |
---|
[56] | 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++) |
---|
[2] | 1178 | { |
---|
[56] | 1179 | pcRPS = rpsList->getReferencePictureSet(i); |
---|
| 1180 | parseShortTermRefPicSet(pcPPS,pcRPS,i); |
---|
[2] | 1181 | } |
---|
[56] | 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()) |
---|
[2] | 1188 | { |
---|
[56] | 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 |
---|
[2] | 1197 | { |
---|
[56] | 1198 | READ_UVLC( uiCode, "num_substreams_minus1" ); pcPPS->setNumSubstreams(uiCode+1); |
---|
[2] | 1199 | } |
---|
| 1200 | #endif |
---|
| 1201 | } |
---|
[56] | 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++ ) |
---|
[2] | 1205 | { |
---|
[56] | 1206 | READ_FLAG( uiCode, "temporal_layer_switching_point_flag" ); pcPPS->setTLayerSwitchingFlag( i, uiCode > 0 ? true : false ); |
---|
[2] | 1207 | } |
---|
[56] | 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) |
---|
[2] | 1221 | { |
---|
[56] | 1222 | pcPPS->setUseDQP (false); |
---|
| 1223 | pcPPS->setMaxCuDQPDepth( 0 ); |
---|
[2] | 1224 | } |
---|
[56] | 1225 | else |
---|
[2] | 1226 | { |
---|
[56] | 1227 | pcPPS->setUseDQP (true); |
---|
| 1228 | pcPPS->setMaxCuDQPDepth(uiCode - 1); |
---|
[2] | 1229 | } |
---|
| 1230 | |
---|
[56] | 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 ); |
---|
[146] | 1241 | //printf("TDecCavlc::parsePPS():\tm_bUseWeightPred=%d\tm_uiBiPredIdc=%d\n", pcPPS->getUseWP(), pcPPS->getWPBiPredIdc()); |
---|
[56] | 1242 | |
---|
| 1243 | #if H0388 |
---|
| 1244 | READ_FLAG( uiCode, "output_flag_present_flag" ); |
---|
| 1245 | pcPPS->setOutputFlagPresentFlag( uiCode==1 ); |
---|
[2] | 1246 | #endif |
---|
[56] | 1247 | |
---|
| 1248 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
| 1249 | if(parameterSet->getPrefetchedSPS(pcPPS->getSPSId())->getTilesOrEntropyCodingSyncIdc()==1) |
---|
[2] | 1250 | { |
---|
| 1251 | #endif |
---|
[56] | 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 ) |
---|
[2] | 1257 | { |
---|
[56] | 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 ) |
---|
[2] | 1266 | { |
---|
[56] | 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++) |
---|
[2] | 1278 | { |
---|
[56] | 1279 | READ_UVLC( uiCode, "row_height" ); |
---|
| 1280 | rowHeight[i] = uiCode; |
---|
[2] | 1281 | } |
---|
[56] | 1282 | pcPPS->setRowHeight(rowHeight); |
---|
| 1283 | free(rowHeight); |
---|
[2] | 1284 | } |
---|
| 1285 | } |
---|
| 1286 | |
---|
[56] | 1287 | |
---|
| 1288 | if(pcPPS->getTileBehaviorControlPresentFlag() == 1) |
---|
[2] | 1289 | { |
---|
[56] | 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 |
---|
[2] | 1294 | #endif |
---|
[56] | 1295 | pcPPS->setLFCrossTileBoundaryFlag(true); //default |
---|
| 1296 | |
---|
| 1297 | if(iNumColTilesMinus1 !=0 || iNumRowTilesMinus1 !=0) |
---|
[2] | 1298 | { |
---|
[56] | 1299 | #if !REMOVE_TILE_DEPENDENCE |
---|
| 1300 | READ_FLAG ( uiCode, "tile_boundary_independence_flag" ); |
---|
| 1301 | pcPPS->setTileBoundaryIndependenceIdr( uiCode ); |
---|
[2] | 1302 | |
---|
[56] | 1303 | if(pcPPS->getTileBoundaryIndependenceIdr() == 1) |
---|
| 1304 | { |
---|
[2] | 1305 | #endif |
---|
[56] | 1306 | READ_FLAG ( uiCode, "loop_filter_across_tile_flag" ); |
---|
| 1307 | pcPPS->setLFCrossTileBoundaryFlag( (uiCode == 1)?true:false ); |
---|
| 1308 | #if !REMOVE_TILE_DEPENDENCE |
---|
[2] | 1309 | } |
---|
[56] | 1310 | #endif |
---|
[2] | 1311 | } |
---|
| 1312 | } |
---|
[56] | 1313 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
[2] | 1314 | } |
---|
[56] | 1315 | else if(parameterSet->getPrefetchedSPS(pcPPS->getSPSId())->getTilesOrEntropyCodingSyncIdc()==2) |
---|
| 1316 | { |
---|
| 1317 | READ_UVLC( uiCode, "num_substreams_minus1" ); pcPPS->setNumSubstreams(uiCode+1); |
---|
| 1318 | } |
---|
| 1319 | #endif |
---|
[2] | 1320 | |
---|
[56] | 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 |
---|
[2] | 1330 | |
---|
[56] | 1331 | READ_FLAG( uiCode, "pps_extension_flag"); |
---|
| 1332 | if (uiCode) |
---|
[2] | 1333 | { |
---|
[56] | 1334 | while ( xMoreRbspData() ) |
---|
[2] | 1335 | { |
---|
[56] | 1336 | READ_FLAG( uiCode, "pps_extension_data_flag"); |
---|
[2] | 1337 | } |
---|
| 1338 | } |
---|
| 1339 | } |
---|
[56] | 1340 | |
---|
[77] | 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 | |
---|
[56] | 1392 | #if HHI_MPI |
---|
| 1393 | Void TDecCavlc::parseSPS(TComSPS* pcSPS, Bool bIsDepth) |
---|
| 1394 | #else |
---|
| 1395 | Void TDecCavlc::parseSPS(TComSPS* pcSPS) |
---|
[2] | 1396 | #endif |
---|
| 1397 | { |
---|
[56] | 1398 | #if ENC_DEC_TRACE |
---|
| 1399 | xTraceSPSHeader (pcSPS); |
---|
| 1400 | #endif |
---|
| 1401 | |
---|
| 1402 | UInt uiCode; |
---|
| 1403 | Int iCode; |
---|
[2] | 1404 | |
---|
[56] | 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 ); |
---|
[77] | 1409 | #if VIDYO_VPS_INTEGRATION |
---|
| 1410 | READ_UVLC( uiCode, "video_parameter_set_id" ); pcSPS->setVPSId( uiCode ); |
---|
| 1411 | #endif |
---|
[56] | 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) |
---|
[2] | 1419 | { |
---|
[56] | 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 ); |
---|
[2] | 1424 | } |
---|
[56] | 1425 | #endif |
---|
[2] | 1426 | |
---|
[56] | 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); |
---|
[2] | 1439 | #endif |
---|
[56] | 1440 | |
---|
| 1441 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
| 1442 | g_iDeltaDCsQuantOffset = g_uiBitIncrement - 2; |
---|
| 1443 | #endif |
---|
[2] | 1444 | |
---|
[56] | 1445 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 1446 | pcSPS->setQpBDOffsetY( (Int) (6*uiCode) ); |
---|
| 1447 | #endif |
---|
[2] | 1448 | |
---|
[56] | 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 |
---|
[2] | 1460 | |
---|
[56] | 1461 | READ_FLAG( uiCode, "pcm_enabled_flag" ); pcSPS->setUsePCM( uiCode ? true : false ); |
---|
| 1462 | |
---|
| 1463 | if( pcSPS->getUsePCM() ) |
---|
[2] | 1464 | { |
---|
[56] | 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 | } |
---|
[2] | 1468 | |
---|
[56] | 1469 | #if LOSSLESS_CODING |
---|
| 1470 | READ_FLAG( uiCode, "qpprime_y_zero_transquant_bypass_flag" ); pcSPS->setUseLossless ( uiCode ? true : false ); |
---|
| 1471 | #endif |
---|
[2] | 1472 | |
---|
[56] | 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 ); |
---|
[2] | 1483 | } |
---|
[56] | 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 |
---|
[2] | 1492 | |
---|
[56] | 1493 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
| 1494 | READ_FLAG( uiCode, "restricted_ref_pic_lists_flag" ); |
---|
| 1495 | pcSPS->setRestrictedRefPicListsFlag( uiCode ); |
---|
| 1496 | if( pcSPS->getRestrictedRefPicListsFlag() ) |
---|
[2] | 1497 | { |
---|
[56] | 1498 | READ_FLAG( uiCode, "lists_modification_present_flag" ); |
---|
| 1499 | pcSPS->setListsModificationPresentFlag(uiCode); |
---|
[2] | 1500 | } |
---|
[56] | 1501 | else |
---|
[2] | 1502 | { |
---|
[56] | 1503 | pcSPS->setListsModificationPresentFlag(true); |
---|
[2] | 1504 | } |
---|
[56] | 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 ); |
---|
[2] | 1513 | |
---|
[56] | 1514 | READ_UVLC( uiCode, "log2_diff_max_min_transform_block_size" ); pcSPS->setQuadtreeTULog2MaxSize( uiCode + pcSPS->getQuadtreeTULog2MinSize() ); |
---|
| 1515 | pcSPS->setMaxTrSize( 1<<(uiCode + pcSPS->getQuadtreeTULog2MinSize()) ); |
---|
[2] | 1516 | |
---|
[56] | 1517 | if(log2MinCUSize == 3) |
---|
[2] | 1518 | { |
---|
[56] | 1519 | xReadFlag( uiCode ); pcSPS->setDisInter4x4( uiCode ? true : false ); |
---|
| 1520 | } |
---|
[2] | 1521 | |
---|
[56] | 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 | } |
---|
[2] | 1527 | |
---|
[56] | 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++; |
---|
[2] | 1534 | } |
---|
[56] | 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()) |
---|
[2] | 1550 | { |
---|
[56] | 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 | } |
---|
[2] | 1558 | |
---|
[56] | 1559 | READ_FLAG( uiCode, "temporal_id_nesting_flag" ); pcSPS->setTemporalIdNestingFlag ( uiCode > 0 ? true : false ); |
---|
[2] | 1560 | |
---|
| 1561 | |
---|
[56] | 1562 | #if RPS_IN_SPS |
---|
| 1563 | TComRPSList* rpsList = pcSPS->getRPSList(); |
---|
| 1564 | TComReferencePictureSet* rps; |
---|
[2] | 1565 | |
---|
[56] | 1566 | READ_UVLC( uiCode, "num_short_term_ref_pic_sets" ); |
---|
| 1567 | rpsList->create(uiCode); |
---|
[2] | 1568 | |
---|
[56] | 1569 | for(UInt i=0; i< rpsList->getNumberOfReferencePictureSets(); i++) |
---|
[2] | 1570 | { |
---|
[56] | 1571 | rps = rpsList->getReferencePictureSet(i); |
---|
| 1572 | parseShortTermRefPicSet(pcSPS,rps,i); |
---|
[2] | 1573 | } |
---|
[56] | 1574 | READ_FLAG( uiCode, "long_term_ref_pics_present_flag" ); pcSPS->setLongTermRefsPresent(uiCode); |
---|
[2] | 1575 | #endif |
---|
[56] | 1576 | #if !PIC_CROPPING |
---|
| 1577 | //!!!KS: Syntax not in WD !!! |
---|
[2] | 1578 | |
---|
[56] | 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 | } |
---|
[2] | 1589 | |
---|
[56] | 1590 | #if TILES_WPP_ENTRY_POINT_SIGNALLING |
---|
| 1591 | READ_CODE(2, uiCode, "tiles_or_entropy_coding_sync_idc"); pcSPS->setTilesOrEntropyCodingSyncIdc(uiCode); |
---|
| 1592 | #endif |
---|
[2] | 1593 | |
---|
[56] | 1594 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
| 1595 | if(pcSPS->getTilesOrEntropyCodingSyncIdc() == 1) |
---|
[2] | 1596 | { |
---|
[56] | 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 ) |
---|
[2] | 1605 | { |
---|
[56] | 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); |
---|
[2] | 1623 | } |
---|
[56] | 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) |
---|
[2] | 1630 | { |
---|
[56] | 1631 | #if !REMOVE_TILE_DEPENDENCE |
---|
| 1632 | READ_FLAG ( uiCode, "tile_boundary_independence_flag" ); |
---|
| 1633 | pcSPS->setTileBoundaryIndependenceIdr( uiCode ); |
---|
| 1634 | if(pcSPS->getTileBoundaryIndependenceIdr() == 1) |
---|
[2] | 1635 | { |
---|
[56] | 1636 | #endif |
---|
| 1637 | READ_FLAG ( uiCode, "loop_filter_across_tile_flag" ); |
---|
| 1638 | pcSPS->setLFCrossTileBoundaryFlag( (uiCode==1)?true:false); |
---|
| 1639 | #if !REMOVE_TILE_DEPENDENCE |
---|
[2] | 1640 | } |
---|
[56] | 1641 | #endif |
---|
[2] | 1642 | } |
---|
[56] | 1643 | #if TILES_OR_ENTROPY_SYNC_IDC |
---|
[2] | 1644 | } |
---|
[56] | 1645 | #endif |
---|
| 1646 | READ_FLAG( uiCode, "sps_extension_flag"); |
---|
| 1647 | if(uiCode) |
---|
[2] | 1648 | { |
---|
[56] | 1649 | READ_FLAG( uiCode, "interview_refs_present_flag"); |
---|
| 1650 | if(uiCode) |
---|
[2] | 1651 | { |
---|
[56] | 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++ ) |
---|
[2] | 1657 | { |
---|
[56] | 1658 | READ_UVLC(uiCode, "delta_usable_interview_ref_minus1"); |
---|
| 1659 | pcSPS->setUsableInterViewRef( j, (prev - uiCode - 1) ); |
---|
| 1660 | prev = pcSPS->getUsableInterViewRef( j ); |
---|
[2] | 1661 | } |
---|
[56] | 1662 | } |
---|
[2] | 1663 | |
---|
[56] | 1664 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
---|
| 1665 | READ_FLAG( uiCode, "enable_dmm_flag" ); |
---|
| 1666 | pcSPS->setUseDMM( uiCode ); |
---|
| 1667 | #endif |
---|
[2] | 1668 | |
---|
[56] | 1669 | #if HHI_MPI |
---|
| 1670 | if( bIsDepth ) |
---|
[2] | 1671 | { |
---|
[56] | 1672 | READ_FLAG( uiCode, "use_mvi_flag" ); |
---|
| 1673 | pcSPS->setUseMVI( uiCode ); |
---|
[2] | 1674 | } |
---|
| 1675 | #endif |
---|
[56] | 1676 | |
---|
| 1677 | READ_FLAG( uiCode, "base_view_flag" ); |
---|
| 1678 | if( uiCode ) |
---|
| 1679 | { // baseview SPS -> set standard values |
---|
| 1680 | pcSPS->initMultiviewSPS ( 0 ); |
---|
| 1681 | #if DEPTH_MAP_GENERATION |
---|
| 1682 | pcSPS->setPredDepthMapGeneration( 0, false ); |
---|
[2] | 1683 | #endif |
---|
[56] | 1684 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
| 1685 | pcSPS->setMultiviewResPredMode ( 0 ); |
---|
| 1686 | #endif |
---|
[2] | 1687 | } |
---|
| 1688 | else |
---|
| 1689 | { |
---|
[56] | 1690 | READ_FLAG( uiCode, "depth_flag" ); |
---|
| 1691 | if( uiCode ) |
---|
| 1692 | { |
---|
| 1693 | READ_UVLC( uiCode, "view_id" ); |
---|
| 1694 | READ_SVLC( iCode, "view_order_idx" ); |
---|
| 1695 | pcSPS->initMultiviewSPSDepth ( uiCode, iCode ); |
---|
| 1696 | #if DEPTH_MAP_GENERATION |
---|
| 1697 | pcSPS->setPredDepthMapGeneration( uiCode, true ); |
---|
| 1698 | #endif |
---|
| 1699 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
| 1700 | pcSPS->setMultiviewResPredMode ( 0 ); |
---|
| 1701 | #endif |
---|
| 1702 | } |
---|
| 1703 | else |
---|
| 1704 | { |
---|
| 1705 | UInt uiViewId, uiCamParPrecision; |
---|
| 1706 | Int iVOI; |
---|
| 1707 | Bool bCamParSlice; |
---|
| 1708 | READ_UVLC( uiViewId, "view_id" ); uiViewId++; |
---|
| 1709 | READ_SVLC( iVOI, "view_order_idx" ); |
---|
| 1710 | READ_UVLC( uiCamParPrecision, "camera_parameter_precision" ); |
---|
| 1711 | READ_FLAG( uiCode, "camera_parameter_in_slice_header" ); bCamParSlice = ( uiCode == 1 ); |
---|
| 1712 | if( !bCamParSlice ) |
---|
| 1713 | { |
---|
| 1714 | for( UInt uiBaseId = 0; uiBaseId < uiViewId; uiBaseId++ ) |
---|
| 1715 | { |
---|
| 1716 | READ_SVLC( iCode, "coded_scale" ); m_aaiTempScale [ uiBaseId ][ uiViewId ] = iCode; |
---|
| 1717 | READ_SVLC( iCode, "coded_offset" ); m_aaiTempOffset[ uiBaseId ][ uiViewId ] = iCode; |
---|
| 1718 | READ_SVLC( iCode, "inverse_coded_scale_plus_coded_scale" ); m_aaiTempScale [ uiViewId ][ uiBaseId ] = iCode - m_aaiTempScale [ uiBaseId ][ uiViewId ]; |
---|
| 1719 | READ_SVLC( iCode, "inverse_coded_offset_plus_coded_offset" ); m_aaiTempOffset[ uiViewId ][ uiBaseId ] = iCode - m_aaiTempOffset[ uiBaseId ][ uiViewId ]; |
---|
| 1720 | } |
---|
| 1721 | } |
---|
| 1722 | pcSPS->initMultiviewSPS( uiViewId, iVOI, uiCamParPrecision, bCamParSlice, m_aaiTempScale, m_aaiTempOffset ); |
---|
[2] | 1723 | |
---|
[56] | 1724 | #if DEPTH_MAP_GENERATION |
---|
| 1725 | UInt uiPredDepthMapGeneration = 0, uiPdmPrecision = 0; |
---|
| 1726 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
| 1727 | UInt uiMultiviewMvPredMode = 0; |
---|
| 1728 | #endif |
---|
| 1729 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
| 1730 | UInt uiMultiviewResPredMode = 0; |
---|
| 1731 | #endif |
---|
| 1732 | READ_UVLC( uiPredDepthMapGeneration, "Pdm_generation" ); |
---|
| 1733 | if( uiPredDepthMapGeneration ) |
---|
| 1734 | { |
---|
| 1735 | READ_UVLC( uiPdmPrecision, "Pdm_precision" ); |
---|
| 1736 | for( UInt uiBaseId = 0; uiBaseId < uiViewId; uiBaseId++ ) |
---|
| 1737 | { |
---|
| 1738 | READ_SVLC( iCode, "Pdm_scale_nom_delta" ); m_aaiTempPdmScaleNomDelta[ uiViewId ][ uiBaseId ] = iCode; |
---|
| 1739 | READ_SVLC( iCode, "Pdm_offset" ); m_aaiTempPdmOffset [ uiViewId ][ uiBaseId ] = iCode; |
---|
| 1740 | } |
---|
| 1741 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
| 1742 | READ_UVLC( uiMultiviewMvPredMode, "multi_view_mv_pred_mode" ); |
---|
| 1743 | #endif |
---|
| 1744 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
| 1745 | READ_FLAG( uiMultiviewResPredMode, "multi_view_residual_pred_mode" ); |
---|
| 1746 | #endif |
---|
| 1747 | } |
---|
| 1748 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
| 1749 | pcSPS->setPredDepthMapGeneration( uiViewId, false, uiPredDepthMapGeneration, uiMultiviewMvPredMode, uiPdmPrecision, m_aaiTempPdmScaleNomDelta, m_aaiTempPdmOffset ); |
---|
| 1750 | #else |
---|
| 1751 | pcSPS->setPredDepthMapGeneration( uiViewId, false, uiPredDepthMapGeneration, 0, uiPdmPrecision, m_aaiTempPdmScaleNomDelta, m_aaiTempPdmOffset ); |
---|
| 1752 | #endif |
---|
| 1753 | #endif |
---|
| 1754 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
| 1755 | pcSPS->setMultiviewResPredMode ( uiMultiviewResPredMode ); |
---|
| 1756 | #endif |
---|
[2] | 1757 | } |
---|
| 1758 | } |
---|
[56] | 1759 | READ_FLAG( uiCode, "sps_extension2_flag"); |
---|
| 1760 | if (uiCode) |
---|
[2] | 1761 | { |
---|
[56] | 1762 | while ( xMoreRbspData() ) |
---|
| 1763 | { |
---|
| 1764 | READ_FLAG( uiCode, "sps_extension2_data_flag"); |
---|
| 1765 | } |
---|
[2] | 1766 | } |
---|
| 1767 | } |
---|
| 1768 | } |
---|
| 1769 | |
---|
[56] | 1770 | Void TDecCavlc::readTileMarker ( UInt& uiTileIdx, UInt uiBitsUsed ) |
---|
[2] | 1771 | { |
---|
[56] | 1772 | xReadCode ( uiBitsUsed, uiTileIdx ); |
---|
| 1773 | } |
---|
| 1774 | |
---|
| 1775 | #if LCU_SYNTAX_ALF |
---|
| 1776 | Void TDecCavlc::parseSliceHeader (TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet) |
---|
| 1777 | #else |
---|
| 1778 | Void TDecCavlc::parseSliceHeader (TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl) |
---|
[2] | 1779 | #endif |
---|
[56] | 1780 | { |
---|
| 1781 | UInt uiCode; |
---|
| 1782 | Int iCode; |
---|
| 1783 | |
---|
| 1784 | #if ENC_DEC_TRACE |
---|
| 1785 | xTraceSliceHeader(rpcSlice); |
---|
| 1786 | #endif |
---|
| 1787 | Int numCUs = ((rpcSlice->getSPS()->getPicWidthInLumaSamples()+rpcSlice->getSPS()->getMaxCUWidth()-1)/rpcSlice->getSPS()->getMaxCUWidth())*((rpcSlice->getSPS()->getPicHeightInLumaSamples()+rpcSlice->getSPS()->getMaxCUHeight()-1)/rpcSlice->getSPS()->getMaxCUHeight()); |
---|
| 1788 | Int maxParts = (1<<(rpcSlice->getSPS()->getMaxCUDepth()<<1)); |
---|
| 1789 | Int numParts = (1<<(rpcSlice->getPPS()->getSliceGranularity()<<1)); |
---|
| 1790 | UInt lCUAddress = 0; |
---|
| 1791 | Int reqBitsOuter = 0; |
---|
| 1792 | while(numCUs>(1<<reqBitsOuter)) |
---|
[2] | 1793 | { |
---|
[56] | 1794 | reqBitsOuter++; |
---|
[2] | 1795 | } |
---|
[56] | 1796 | Int reqBitsInner = 0; |
---|
| 1797 | while((numParts)>(1<<reqBitsInner)) |
---|
[2] | 1798 | { |
---|
[56] | 1799 | reqBitsInner++; |
---|
[2] | 1800 | } |
---|
[56] | 1801 | |
---|
| 1802 | READ_FLAG( uiCode, "first_slice_in_pic_flag" ); |
---|
| 1803 | UInt address; |
---|
| 1804 | UInt innerAddress = 0; |
---|
[152] | 1805 | |
---|
| 1806 | #if LGE_ILLUCOMP_B0045 |
---|
| 1807 | // IC flag is on only first_slice_in_pic |
---|
| 1808 | if (uiCode) |
---|
| 1809 | { |
---|
| 1810 | UInt uiCodeTmp = 0; |
---|
| 1811 | if ( rpcSlice->getSPS()->getViewId() && !rpcSlice->getSPS()->isDepth() ) |
---|
| 1812 | { |
---|
| 1813 | READ_FLAG (uiCodeTmp, "applying IC flag"); |
---|
| 1814 | } |
---|
| 1815 | rpcSlice->setApplyIC(uiCodeTmp); |
---|
| 1816 | } |
---|
| 1817 | #endif |
---|
| 1818 | |
---|
[56] | 1819 | if(!uiCode) |
---|
[2] | 1820 | { |
---|
[56] | 1821 | READ_CODE( reqBitsOuter+reqBitsInner, address, "slice_address" ); |
---|
| 1822 | lCUAddress = address >> reqBitsInner; |
---|
| 1823 | innerAddress = address - (lCUAddress<<reqBitsInner); |
---|
[2] | 1824 | } |
---|
[56] | 1825 | //set uiCode to equal slice start address (or entropy slice start address) |
---|
| 1826 | uiCode=(maxParts*lCUAddress)+(innerAddress*(maxParts>>(rpcSlice->getPPS()->getSliceGranularity()<<1))); |
---|
| 1827 | |
---|
| 1828 | rpcSlice->setEntropySliceCurStartCUAddr( uiCode ); |
---|
| 1829 | rpcSlice->setEntropySliceCurEndCUAddr(numCUs*maxParts); |
---|
[2] | 1830 | |
---|
[56] | 1831 | // slice_type |
---|
| 1832 | READ_UVLC ( uiCode, "slice_type" ); rpcSlice->setSliceType((SliceType)uiCode); |
---|
| 1833 | // lightweight_slice_flag |
---|
| 1834 | READ_FLAG( uiCode, "entropy_slice_flag" ); |
---|
| 1835 | Bool bEntropySlice = uiCode ? true : false; |
---|
[2] | 1836 | |
---|
[56] | 1837 | if (bEntropySlice) |
---|
[2] | 1838 | { |
---|
[56] | 1839 | rpcSlice->setNextSlice ( false ); |
---|
| 1840 | rpcSlice->setNextEntropySlice ( true ); |
---|
[2] | 1841 | } |
---|
| 1842 | else |
---|
| 1843 | { |
---|
[56] | 1844 | rpcSlice->setNextSlice ( true ); |
---|
| 1845 | rpcSlice->setNextEntropySlice ( false ); |
---|
| 1846 | |
---|
| 1847 | uiCode=(maxParts*lCUAddress)+(innerAddress*(maxParts>>(rpcSlice->getPPS()->getSliceGranularity()<<1))); |
---|
| 1848 | rpcSlice->setSliceCurStartCUAddr(uiCode); |
---|
| 1849 | rpcSlice->setSliceCurEndCUAddr(numCUs*maxParts); |
---|
[2] | 1850 | } |
---|
[56] | 1851 | TComPPS* pps = NULL; |
---|
| 1852 | TComSPS* sps = NULL; |
---|
[2] | 1853 | |
---|
[56] | 1854 | if (!bEntropySlice) |
---|
[2] | 1855 | { |
---|
[56] | 1856 | READ_UVLC ( uiCode, "pic_parameter_set_id" ); rpcSlice->setPPSId(uiCode); |
---|
| 1857 | pps = parameterSetManager->getPrefetchedPPS(uiCode); |
---|
| 1858 | sps = parameterSetManager->getPrefetchedSPS(pps->getSPSId()); |
---|
| 1859 | rpcSlice->setSPS(sps); |
---|
| 1860 | rpcSlice->setPPS(pps); |
---|
| 1861 | #if H0388 |
---|
| 1862 | if( pps->getOutputFlagPresentFlag() ) |
---|
[2] | 1863 | { |
---|
[56] | 1864 | READ_FLAG( uiCode, "pic_output_flag" ); |
---|
| 1865 | rpcSlice->setPicOutputFlag( uiCode ? true : false ); |
---|
[2] | 1866 | } |
---|
[56] | 1867 | else |
---|
| 1868 | { |
---|
| 1869 | rpcSlice->setPicOutputFlag( true ); |
---|
| 1870 | } |
---|
[2] | 1871 | #endif |
---|
[56] | 1872 | if(rpcSlice->getNalUnitType()==NAL_UNIT_CODED_SLICE_IDR) |
---|
| 1873 | { |
---|
| 1874 | READ_UVLC( uiCode, "idr_pic_id" ); //ignored |
---|
| 1875 | READ_FLAG( uiCode, "no_output_of_prior_pics_flag" ); //ignored |
---|
| 1876 | rpcSlice->setPOC(0); |
---|
| 1877 | TComReferencePictureSet* rps = rpcSlice->getLocalRPS(); |
---|
| 1878 | rps->setNumberOfNegativePictures(0); |
---|
| 1879 | rps->setNumberOfPositivePictures(0); |
---|
| 1880 | rps->setNumberOfLongtermPictures(0); |
---|
| 1881 | rps->setNumberOfPictures(0); |
---|
| 1882 | rpcSlice->setRPS(rps); |
---|
| 1883 | } |
---|
| 1884 | else |
---|
[2] | 1885 | { |
---|
[56] | 1886 | READ_CODE(sps->getBitsForPOC(), uiCode, "pic_order_cnt_lsb"); |
---|
| 1887 | Int iPOClsb = uiCode; |
---|
| 1888 | Int iPrevPOC = rpcSlice->getPrevPOC(); |
---|
| 1889 | Int iMaxPOClsb = 1<< sps->getBitsForPOC(); |
---|
| 1890 | Int iPrevPOClsb = iPrevPOC%iMaxPOClsb; |
---|
| 1891 | Int iPrevPOCmsb = iPrevPOC-iPrevPOClsb; |
---|
| 1892 | Int iPOCmsb; |
---|
| 1893 | if( ( iPOClsb < iPrevPOClsb ) && ( ( iPrevPOClsb - iPOClsb ) >= ( iMaxPOClsb / 2 ) ) ) |
---|
[2] | 1894 | { |
---|
[56] | 1895 | iPOCmsb = iPrevPOCmsb + iMaxPOClsb; |
---|
[2] | 1896 | } |
---|
[56] | 1897 | else if( (iPOClsb > iPrevPOClsb ) && ( (iPOClsb - iPrevPOClsb ) > ( iMaxPOClsb / 2 ) ) ) |
---|
| 1898 | { |
---|
| 1899 | iPOCmsb = iPrevPOCmsb - iMaxPOClsb; |
---|
| 1900 | } |
---|
| 1901 | else |
---|
| 1902 | { |
---|
| 1903 | iPOCmsb = iPrevPOCmsb; |
---|
| 1904 | } |
---|
| 1905 | rpcSlice->setPOC( iPOCmsb+iPOClsb ); |
---|
[2] | 1906 | |
---|
[77] | 1907 | if( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDV && rpcSlice->getPOC() == 0 ) |
---|
[56] | 1908 | { |
---|
| 1909 | TComReferencePictureSet* rps = rpcSlice->getLocalRPS(); |
---|
| 1910 | rps->setNumberOfNegativePictures(0); |
---|
| 1911 | rps->setNumberOfPositivePictures(0); |
---|
| 1912 | rps->setNumberOfLongtermPictures(0); |
---|
| 1913 | rps->setNumberOfPictures(0); |
---|
| 1914 | rpcSlice->setRPS(rps); |
---|
| 1915 | } |
---|
| 1916 | else |
---|
| 1917 | { |
---|
| 1918 | TComReferencePictureSet* rps; |
---|
| 1919 | READ_FLAG( uiCode, "short_term_ref_pic_set_sps_flag" ); |
---|
| 1920 | if(uiCode == 0) // use short-term reference picture set explicitly signalled in slice header |
---|
| 1921 | { |
---|
| 1922 | rps = rpcSlice->getLocalRPS(); |
---|
| 1923 | #if RPS_IN_SPS |
---|
| 1924 | parseShortTermRefPicSet(sps,rps, sps->getRPSList()->getNumberOfReferencePictureSets()); |
---|
| 1925 | #else |
---|
| 1926 | parseShortTermRefPicSet(pps,rps, pps->getRPSList()->getNumberOfReferencePictureSets()); |
---|
[2] | 1927 | #endif |
---|
[56] | 1928 | rpcSlice->setRPS(rps); |
---|
| 1929 | } |
---|
| 1930 | else // use reference to short-term reference picture set in PPS |
---|
| 1931 | { |
---|
| 1932 | #if RPS_IN_SPS |
---|
| 1933 | READ_UVLC( uiCode, "short_term_ref_pic_set_idx"); rpcSlice->setRPS(sps->getRPSList()->getReferencePictureSet(uiCode)); |
---|
| 1934 | #else |
---|
| 1935 | READ_UVLC( uiCode, "short_term_ref_pic_set_idx"); rpcSlice->setRPS(pps->getRPSList()->getReferencePictureSet(uiCode)); |
---|
[2] | 1936 | #endif |
---|
[56] | 1937 | rps = rpcSlice->getRPS(); |
---|
| 1938 | } |
---|
| 1939 | #if RPS_IN_SPS |
---|
| 1940 | if(sps->getLongTermRefsPresent()) |
---|
[2] | 1941 | #else |
---|
[56] | 1942 | if(pps->getLongTermRefsPresent()) |
---|
[2] | 1943 | #endif |
---|
[56] | 1944 | { |
---|
| 1945 | Int offset = rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); |
---|
| 1946 | READ_UVLC( uiCode, "num_long_term_pics"); rps->setNumberOfLongtermPictures(uiCode); |
---|
| 1947 | Int prev = 0; |
---|
| 1948 | #if LTRP_MULT |
---|
| 1949 | Int prevMsb=0; |
---|
| 1950 | Int prevDeltaPocLt=0; |
---|
| 1951 | #endif |
---|
| 1952 | for(Int j=rps->getNumberOfLongtermPictures()+offset-1 ; j > offset-1; j--) |
---|
| 1953 | { |
---|
| 1954 | READ_UVLC(uiCode,"delta_poc_lsb_lt"); |
---|
| 1955 | prev += uiCode; |
---|
[2] | 1956 | |
---|
[56] | 1957 | #if LTRP_MULT |
---|
| 1958 | READ_FLAG(uiCode,"delta_poc_msb_present_flag"); |
---|
| 1959 | Int decDeltaPOCMsbPresent=uiCode; |
---|
[2] | 1960 | |
---|
[56] | 1961 | if(decDeltaPOCMsbPresent==1) |
---|
| 1962 | { |
---|
| 1963 | READ_UVLC(uiCode, "delta_poc_msb_cycle_lt_minus1"); |
---|
| 1964 | if( (j==(rps->getNumberOfLongtermPictures()+offset-1)) || (prev!=prevDeltaPocLt) ) |
---|
| 1965 | { |
---|
| 1966 | prevMsb=(1+uiCode); |
---|
| 1967 | } |
---|
| 1968 | else |
---|
| 1969 | { |
---|
| 1970 | prevMsb+=(1+uiCode); |
---|
| 1971 | } |
---|
| 1972 | Int decMaxPocLsb = 1<<rpcSlice->getSPS()->getBitsForPOC(); |
---|
| 1973 | rps->setPOC(j,rpcSlice->getPOC()-prev-(prevMsb)*decMaxPocLsb); |
---|
| 1974 | rps->setDeltaPOC(j,-(Int)(prev+(prevMsb)*decMaxPocLsb)); |
---|
| 1975 | } |
---|
| 1976 | else |
---|
| 1977 | { |
---|
[2] | 1978 | #endif |
---|
[56] | 1979 | rps->setPOC(j,rpcSlice->getPOC()-prev); |
---|
| 1980 | rps->setDeltaPOC(j,-(Int)prev); |
---|
| 1981 | #if LTRP_MULT |
---|
| 1982 | } |
---|
| 1983 | prevDeltaPocLt=prev; |
---|
| 1984 | #endif |
---|
| 1985 | READ_FLAG( uiCode, "used_by_curr_pic_lt_flag"); rps->setUsed(j,uiCode); |
---|
| 1986 | } |
---|
| 1987 | offset += rps->getNumberOfLongtermPictures(); |
---|
| 1988 | rps->setNumberOfPictures(offset); |
---|
| 1989 | } |
---|
| 1990 | } |
---|
[2] | 1991 | } |
---|
| 1992 | |
---|
[56] | 1993 | if(sps->getUseSAO() || sps->getUseALF() || sps->getScalingListFlag() || sps->getUseDF()) |
---|
[2] | 1994 | { |
---|
[56] | 1995 | //!!!KS: order is different in WD5! |
---|
| 1996 | if (sps->getUseALF()) |
---|
[2] | 1997 | { |
---|
[56] | 1998 | READ_FLAG(uiCode, "slice_adaptive_loop_filter_flag"); |
---|
| 1999 | rpcSlice->setAlfEnabledFlag((Bool)uiCode); |
---|
| 2000 | } |
---|
| 2001 | if (sps->getUseSAO()) |
---|
| 2002 | { |
---|
| 2003 | #if SAO_UNIT_INTERLEAVING |
---|
| 2004 | READ_FLAG(uiCode, "slice_sao_interleaving_flag"); rpcSlice->setSaoInterleavingFlag(uiCode); |
---|
| 2005 | #endif |
---|
| 2006 | READ_FLAG(uiCode, "slice_sample_adaptive_offset_flag"); rpcSlice->setSaoEnabledFlag((Bool)uiCode); |
---|
| 2007 | #if SAO_UNIT_INTERLEAVING |
---|
| 2008 | if (rpcSlice->getSaoEnabledFlag() && rpcSlice->getSaoInterleavingFlag()) |
---|
[2] | 2009 | { |
---|
[56] | 2010 | READ_FLAG(uiCode, "sao_cb_enable_flag"); rpcSlice->setSaoEnabledFlagCb((Bool)uiCode); |
---|
| 2011 | READ_FLAG(uiCode, "sao_cr_enable_flag"); rpcSlice->setSaoEnabledFlagCr((Bool)uiCode); |
---|
[2] | 2012 | } |
---|
| 2013 | else |
---|
| 2014 | { |
---|
[56] | 2015 | rpcSlice->setSaoEnabledFlagCb(0); |
---|
| 2016 | rpcSlice->setSaoEnabledFlagCr(0); |
---|
[2] | 2017 | } |
---|
[56] | 2018 | #endif |
---|
[2] | 2019 | } |
---|
[56] | 2020 | READ_UVLC ( uiCode, "aps_id" ); rpcSlice->setAPSId(uiCode); |
---|
| 2021 | } |
---|
| 2022 | if (!rpcSlice->isIntra()) |
---|
| 2023 | { |
---|
| 2024 | READ_FLAG( uiCode, "num_ref_idx_active_override_flag"); |
---|
| 2025 | if (uiCode) |
---|
[2] | 2026 | { |
---|
[56] | 2027 | READ_CODE (3, uiCode, "num_ref_idx_l0_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_0, uiCode + 1 ); |
---|
| 2028 | if (rpcSlice->isInterB()) |
---|
[2] | 2029 | { |
---|
[56] | 2030 | READ_CODE (3, uiCode, "num_ref_idx_l1_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_1, uiCode + 1 ); |
---|
[2] | 2031 | } |
---|
| 2032 | else |
---|
| 2033 | { |
---|
[56] | 2034 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
[2] | 2035 | } |
---|
| 2036 | } |
---|
| 2037 | else |
---|
| 2038 | { |
---|
[56] | 2039 | rpcSlice->setNumRefIdx(REF_PIC_LIST_0, 0); |
---|
| 2040 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
[2] | 2041 | } |
---|
| 2042 | } |
---|
[56] | 2043 | TComRefPicListModification* refPicListModification = rpcSlice->getRefPicListModification(); |
---|
| 2044 | if( !rpcSlice->isIntra() ) |
---|
[2] | 2045 | { |
---|
[56] | 2046 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
| 2047 | if( !rpcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
[2] | 2048 | { |
---|
[56] | 2049 | refPicListModification->setRefPicListModificationFlagL0( 0 ); |
---|
[2] | 2050 | } |
---|
| 2051 | else |
---|
| 2052 | { |
---|
[56] | 2053 | #endif |
---|
| 2054 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_l0" ); refPicListModification->setRefPicListModificationFlagL0( uiCode ? 1 : 0 ); |
---|
| 2055 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
[2] | 2056 | } |
---|
[56] | 2057 | #endif |
---|
| 2058 | |
---|
| 2059 | if(refPicListModification->getRefPicListModificationFlagL0()) |
---|
[2] | 2060 | { |
---|
[56] | 2061 | uiCode = 0; |
---|
| 2062 | Int i = 0; |
---|
| 2063 | #if H0137_0138_LIST_MODIFICATION |
---|
| 2064 | Int NumPocTotalCurr = rpcSlice->getNumPocTotalCurrMvc(); |
---|
| 2065 | if ( NumPocTotalCurr > 1 ) |
---|
| 2066 | { |
---|
| 2067 | Int length = 1; |
---|
| 2068 | NumPocTotalCurr --; |
---|
| 2069 | while ( NumPocTotalCurr >>= 1) |
---|
| 2070 | { |
---|
| 2071 | length ++; |
---|
| 2072 | } |
---|
| 2073 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) |
---|
| 2074 | { |
---|
| 2075 | READ_CODE( length, uiCode, "list_entry_l0" ); |
---|
| 2076 | refPicListModification->setRefPicSetIdxL0(i, uiCode ); |
---|
| 2077 | } |
---|
| 2078 | } |
---|
| 2079 | else |
---|
| 2080 | { |
---|
| 2081 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) |
---|
| 2082 | { |
---|
| 2083 | refPicListModification->setRefPicSetIdxL0(i, 0 ); |
---|
| 2084 | } |
---|
| 2085 | } |
---|
| 2086 | #else |
---|
| 2087 | Int list_modification_idc = 0; |
---|
| 2088 | while(list_modification_idc != 3) |
---|
| 2089 | { |
---|
| 2090 | READ_UVLC( uiCode, "list_modification_idc" ); refPicListModification->setListIdcL0(i, uiCode ); |
---|
| 2091 | list_modification_idc = uiCode; |
---|
| 2092 | if(uiCode != 3) |
---|
| 2093 | { |
---|
| 2094 | READ_UVLC( uiCode, "ref_pic_set_idx" ); refPicListModification->setRefPicSetIdxL0(i, uiCode ); |
---|
| 2095 | } |
---|
| 2096 | i++; |
---|
| 2097 | } |
---|
| 2098 | refPicListModification->setNumberOfRefPicListModificationsL0(i-1); |
---|
| 2099 | #endif |
---|
[2] | 2100 | } |
---|
[56] | 2101 | #if !H0137_0138_LIST_MODIFICATION |
---|
[2] | 2102 | else |
---|
| 2103 | { |
---|
[56] | 2104 | refPicListModification->setNumberOfRefPicListModificationsL0(0); |
---|
[2] | 2105 | } |
---|
[56] | 2106 | #endif |
---|
[2] | 2107 | } |
---|
[56] | 2108 | else |
---|
[2] | 2109 | { |
---|
[56] | 2110 | refPicListModification->setRefPicListModificationFlagL0(0); |
---|
| 2111 | #if !H0137_0138_LIST_MODIFICATION |
---|
| 2112 | refPicListModification->setNumberOfRefPicListModificationsL0(0); |
---|
| 2113 | #endif |
---|
[2] | 2114 | } |
---|
[56] | 2115 | if(rpcSlice->isInterB()) |
---|
[2] | 2116 | { |
---|
[56] | 2117 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
| 2118 | if( !rpcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
[2] | 2119 | { |
---|
[56] | 2120 | refPicListModification->setRefPicListModificationFlagL1( 0 ); |
---|
[2] | 2121 | } |
---|
| 2122 | else |
---|
| 2123 | { |
---|
| 2124 | #endif |
---|
[56] | 2125 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_l1" ); refPicListModification->setRefPicListModificationFlagL1( uiCode ? 1 : 0 ); |
---|
| 2126 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
[2] | 2127 | } |
---|
| 2128 | #endif |
---|
[56] | 2129 | if(refPicListModification->getRefPicListModificationFlagL1()) |
---|
[2] | 2130 | { |
---|
[56] | 2131 | uiCode = 0; |
---|
| 2132 | Int i = 0; |
---|
| 2133 | #if H0137_0138_LIST_MODIFICATION |
---|
| 2134 | Int NumPocTotalCurr = rpcSlice->getNumPocTotalCurrMvc(); |
---|
| 2135 | if ( NumPocTotalCurr > 1 ) |
---|
| 2136 | { |
---|
| 2137 | Int length = 1; |
---|
| 2138 | NumPocTotalCurr --; |
---|
| 2139 | while ( NumPocTotalCurr >>= 1) |
---|
| 2140 | { |
---|
| 2141 | length ++; |
---|
| 2142 | } |
---|
| 2143 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) |
---|
| 2144 | { |
---|
| 2145 | READ_CODE( length, uiCode, "list_entry_l1" ); |
---|
| 2146 | refPicListModification->setRefPicSetIdxL1(i, uiCode ); |
---|
| 2147 | } |
---|
| 2148 | } |
---|
| 2149 | else |
---|
| 2150 | { |
---|
| 2151 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) |
---|
| 2152 | { |
---|
| 2153 | refPicListModification->setRefPicSetIdxL1(i, 0 ); |
---|
| 2154 | } |
---|
| 2155 | } |
---|
[2] | 2156 | #else |
---|
[56] | 2157 | Int list_modification_idc = 0; |
---|
| 2158 | while(list_modification_idc != 3) |
---|
| 2159 | { |
---|
| 2160 | READ_UVLC( uiCode, "list_modification_idc" ); refPicListModification->setListIdcL1(i, uiCode ); |
---|
| 2161 | list_modification_idc = uiCode; |
---|
| 2162 | if(uiCode != 3) |
---|
| 2163 | { |
---|
| 2164 | READ_UVLC( uiCode, "ref_pic_set_idx" ); refPicListModification->setRefPicSetIdxL1(i, uiCode ); |
---|
| 2165 | } |
---|
| 2166 | i++; |
---|
| 2167 | } |
---|
| 2168 | refPicListModification->setNumberOfRefPicListModificationsL1(i-1); |
---|
[2] | 2169 | #endif |
---|
| 2170 | } |
---|
[56] | 2171 | #if !H0137_0138_LIST_MODIFICATION |
---|
[2] | 2172 | else |
---|
| 2173 | { |
---|
[56] | 2174 | refPicListModification->setNumberOfRefPicListModificationsL1(0); |
---|
[2] | 2175 | } |
---|
| 2176 | #endif |
---|
[56] | 2177 | } |
---|
| 2178 | else |
---|
[2] | 2179 | { |
---|
[56] | 2180 | refPicListModification->setRefPicListModificationFlagL1(0); |
---|
| 2181 | #if !H0137_0138_LIST_MODIFICATION |
---|
| 2182 | refPicListModification->setNumberOfRefPicListModificationsL1(0); |
---|
| 2183 | #endif |
---|
[2] | 2184 | } |
---|
| 2185 | } |
---|
| 2186 | else |
---|
| 2187 | { |
---|
[56] | 2188 | // initialize from previous slice |
---|
| 2189 | pps = rpcSlice->getPPS(); |
---|
| 2190 | sps = rpcSlice->getSPS(); |
---|
[2] | 2191 | } |
---|
[56] | 2192 | // ref_pic_list_combination( ) |
---|
| 2193 | //!!!KS: ref_pic_list_combination() should be conditioned on entropy_slice_flag |
---|
| 2194 | if (rpcSlice->isInterB()) |
---|
[2] | 2195 | { |
---|
[56] | 2196 | READ_FLAG( uiCode, "ref_pic_list_combination_flag" ); rpcSlice->setRefPicListCombinationFlag( uiCode ? 1 : 0 ); |
---|
| 2197 | if(uiCode) |
---|
[2] | 2198 | { |
---|
[56] | 2199 | READ_UVLC( uiCode, "num_ref_idx_lc_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_C, uiCode + 1 ); |
---|
| 2200 | |
---|
| 2201 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
| 2202 | if(rpcSlice->getSPS()->getListsModificationPresentFlag() ) |
---|
| 2203 | { |
---|
[2] | 2204 | #endif |
---|
[56] | 2205 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_lc" ); rpcSlice->setRefPicListModificationFlagLC( uiCode ? 1 : 0 ); |
---|
| 2206 | if(uiCode) |
---|
| 2207 | { |
---|
| 2208 | for (UInt i=0;i<rpcSlice->getNumRefIdx(REF_PIC_LIST_C);i++) |
---|
| 2209 | { |
---|
| 2210 | READ_FLAG( uiCode, "pic_from_list_0_flag" ); |
---|
| 2211 | rpcSlice->setListIdFromIdxOfLC(i, uiCode); |
---|
| 2212 | #if H0137_0138_LIST_MODIFICATION |
---|
| 2213 | 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)) ) |
---|
| 2214 | { |
---|
| 2215 | uiCode = 0; |
---|
| 2216 | } |
---|
| 2217 | else |
---|
| 2218 | { |
---|
| 2219 | READ_UVLC( uiCode, "ref_idx_list_curr" ); |
---|
| 2220 | } |
---|
| 2221 | #else |
---|
| 2222 | READ_UVLC( uiCode, "ref_idx_list_curr" ); |
---|
| 2223 | #endif |
---|
| 2224 | rpcSlice->setRefIdxFromIdxOfLC(i, uiCode); |
---|
| 2225 | rpcSlice->setRefIdxOfLC((RefPicList)rpcSlice->getListIdFromIdxOfLC(i), rpcSlice->getRefIdxFromIdxOfLC(i), i); |
---|
| 2226 | } |
---|
| 2227 | } |
---|
| 2228 | #if H0412_REF_PIC_LIST_RESTRICTION |
---|
[2] | 2229 | } |
---|
| 2230 | else |
---|
| 2231 | { |
---|
[56] | 2232 | rpcSlice->setRefPicListModificationFlagLC(false); |
---|
[2] | 2233 | } |
---|
[56] | 2234 | #endif |
---|
[2] | 2235 | } |
---|
[56] | 2236 | else |
---|
[2] | 2237 | { |
---|
[56] | 2238 | rpcSlice->setRefPicListModificationFlagLC(false); |
---|
| 2239 | rpcSlice->setNumRefIdx(REF_PIC_LIST_C, 0); |
---|
[2] | 2240 | } |
---|
| 2241 | } |
---|
[56] | 2242 | else |
---|
[2] | 2243 | { |
---|
[56] | 2244 | rpcSlice->setRefPicListCombinationFlag(false); |
---|
[2] | 2245 | } |
---|
[56] | 2246 | |
---|
| 2247 | #if H0111_MVD_L1_ZERO |
---|
| 2248 | if (rpcSlice->isInterB()) |
---|
[2] | 2249 | { |
---|
[56] | 2250 | READ_FLAG( uiCode, "mvd_l1_zero_flag" ); rpcSlice->setMvdL1ZeroFlag( (uiCode ? true : false) ); |
---|
[2] | 2251 | } |
---|
| 2252 | #endif |
---|
| 2253 | |
---|
[56] | 2254 | #if CABAC_INIT_FLAG |
---|
| 2255 | rpcSlice->setCabacInitFlag( false ); // default |
---|
| 2256 | if(pps->getCabacInitPresentFlag() && !rpcSlice->isIntra()) |
---|
[2] | 2257 | { |
---|
[56] | 2258 | READ_FLAG(uiCode, "cabac_init_flag"); |
---|
| 2259 | rpcSlice->setCabacInitFlag( uiCode ? true : false ); |
---|
[2] | 2260 | } |
---|
[56] | 2261 | #else |
---|
| 2262 | if(pps->getEntropyCodingMode() && !rpcSlice->isIntra()) |
---|
[2] | 2263 | { |
---|
[56] | 2264 | READ_UVLC(uiCode, "cabac_init_idc"); |
---|
| 2265 | rpcSlice->setCABACinitIDC(uiCode); |
---|
[2] | 2266 | } |
---|
[56] | 2267 | else if (pps->getEntropyCodingMode() && rpcSlice->isIntra()) |
---|
| 2268 | { |
---|
| 2269 | rpcSlice->setCABACinitIDC(0); |
---|
| 2270 | } |
---|
| 2271 | #endif |
---|
[2] | 2272 | |
---|
[56] | 2273 | if(!bEntropySlice) |
---|
| 2274 | { |
---|
| 2275 | READ_SVLC( iCode, "slice_qp_delta" ); |
---|
| 2276 | rpcSlice->setSliceQp (26 + pps->getPicInitQPMinus26() + iCode); |
---|
[2] | 2277 | |
---|
[56] | 2278 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 2279 | assert( rpcSlice->getSliceQp() >= -sps->getQpBDOffsetY() ); |
---|
| 2280 | assert( rpcSlice->getSliceQp() <= 51 ); |
---|
| 2281 | #endif |
---|
[2] | 2282 | |
---|
[56] | 2283 | #if DBL_CONTROL |
---|
| 2284 | if (rpcSlice->getPPS()->getDeblockingFilterControlPresent()) |
---|
[2] | 2285 | { |
---|
[56] | 2286 | if ( rpcSlice->getSPS()->getUseDF() ) |
---|
[2] | 2287 | { |
---|
[56] | 2288 | READ_FLAG ( uiCode, "inherit_dbl_param_from_APS_flag" ); rpcSlice->setInheritDblParamFromAPS(uiCode ? 1 : 0); |
---|
| 2289 | } else |
---|
| 2290 | { |
---|
| 2291 | rpcSlice->setInheritDblParamFromAPS(0); |
---|
[2] | 2292 | } |
---|
[56] | 2293 | #else |
---|
| 2294 | READ_FLAG ( uiCode, "inherit_dbl_param_from_APS_flag" ); rpcSlice->setInheritDblParamFromAPS(uiCode ? 1 : 0); |
---|
| 2295 | #endif |
---|
| 2296 | if(!rpcSlice->getInheritDblParamFromAPS()) |
---|
[2] | 2297 | { |
---|
[56] | 2298 | READ_FLAG ( uiCode, "disable_deblocking_filter_flag" ); rpcSlice->setLoopFilterDisable(uiCode ? 1 : 0); |
---|
| 2299 | if(!rpcSlice->getLoopFilterDisable()) |
---|
| 2300 | { |
---|
| 2301 | READ_SVLC( iCode, "beta_offset_div2" ); rpcSlice->setLoopFilterBetaOffset(iCode); |
---|
| 2302 | READ_SVLC( iCode, "tc_offset_div2" ); rpcSlice->setLoopFilterTcOffset(iCode); |
---|
| 2303 | } |
---|
[2] | 2304 | } |
---|
[56] | 2305 | #if DBL_CONTROL |
---|
| 2306 | } |
---|
| 2307 | #endif |
---|
| 2308 | if ( rpcSlice->getSliceType() == B_SLICE ) |
---|
| 2309 | { |
---|
| 2310 | READ_FLAG( uiCode, "collocated_from_l0_flag" ); |
---|
| 2311 | rpcSlice->setColDir(uiCode); |
---|
[2] | 2312 | } |
---|
[56] | 2313 | |
---|
| 2314 | #if COLLOCATED_REF_IDX |
---|
| 2315 | if ( rpcSlice->getSliceType() != I_SLICE && |
---|
| 2316 | ((rpcSlice->getColDir()==0 && rpcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)|| |
---|
| 2317 | (rpcSlice->getColDir() ==1 && rpcSlice->getNumRefIdx(REF_PIC_LIST_1)>1))) |
---|
[2] | 2318 | { |
---|
[56] | 2319 | READ_UVLC( uiCode, "collocated_ref_idx" ); |
---|
| 2320 | rpcSlice->setColRefIdx(uiCode); |
---|
[2] | 2321 | } |
---|
[56] | 2322 | #endif |
---|
| 2323 | |
---|
| 2324 | if ( (pps->getUseWP() && rpcSlice->getSliceType()==P_SLICE) || (pps->getWPBiPredIdc() && rpcSlice->getSliceType()==B_SLICE) ) |
---|
[2] | 2325 | { |
---|
[56] | 2326 | xParsePredWeightTable(rpcSlice); |
---|
| 2327 | rpcSlice->initWpScaling(); |
---|
[2] | 2328 | } |
---|
| 2329 | } |
---|
[56] | 2330 | |
---|
| 2331 | if (!bEntropySlice) |
---|
[2] | 2332 | { |
---|
[56] | 2333 | if( rpcSlice->getSPS()->hasCamParInSliceHeader() ) |
---|
[2] | 2334 | { |
---|
[56] | 2335 | UInt uiViewId = rpcSlice->getSPS()->getViewId(); |
---|
| 2336 | for( UInt uiBaseId = 0; uiBaseId < uiViewId; uiBaseId++ ) |
---|
[2] | 2337 | { |
---|
[56] | 2338 | READ_SVLC( iCode, "coded_scale" ); m_aaiTempScale [ uiBaseId ][ uiViewId ] = iCode; |
---|
| 2339 | READ_SVLC( iCode, "coded_offset" ); m_aaiTempOffset[ uiBaseId ][ uiViewId ] = iCode; |
---|
| 2340 | READ_SVLC( iCode, "inverse_coded_scale_plus_coded_scale" ); m_aaiTempScale [ uiViewId ][ uiBaseId ] = iCode - m_aaiTempScale [ uiBaseId ][ uiViewId ]; |
---|
| 2341 | READ_SVLC( iCode, "inverse_coded_offset_plus_coded_offset" ); m_aaiTempOffset[ uiViewId ][ uiBaseId ] = iCode - m_aaiTempOffset[ uiBaseId ][ uiViewId ]; |
---|
[2] | 2342 | } |
---|
[56] | 2343 | rpcSlice->initMultiviewSlice( m_aaiTempScale, m_aaiTempOffset ); |
---|
[2] | 2344 | } |
---|
[56] | 2345 | } |
---|
| 2346 | |
---|
| 2347 | #if ( HHI_MPI || HHI_INTER_VIEW_MOTION_PRED ) |
---|
| 2348 | #if ( HHI_MPI && HHI_INTER_VIEW_MOTION_PRED ) |
---|
| 2349 | const int iExtraMergeCandidates = ( sps->getUseMVI() || sps->getMultiviewMvPredMode() ) ? 1 : 0; |
---|
| 2350 | #elif HHI_MPI |
---|
| 2351 | const int iExtraMergeCandidates = sps->getUseMVI() ? 1 : 0; |
---|
| 2352 | #else |
---|
| 2353 | const int iExtraMergeCandidates = sps->getMultiviewMvPredMode() ? 1 : 0; |
---|
| 2354 | #endif |
---|
| 2355 | READ_UVLC( uiCode, "5_minus_max_num_merge_cand"); |
---|
| 2356 | rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS + iExtraMergeCandidates - uiCode); |
---|
| 2357 | assert(rpcSlice->getMaxNumMergeCand()==(MRG_MAX_NUM_CANDS_SIGNALED+iExtraMergeCandidates)); |
---|
| 2358 | #else |
---|
| 2359 | READ_UVLC( uiCode, "5_minus_max_num_merge_cand"); |
---|
| 2360 | rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - uiCode); |
---|
| 2361 | assert(rpcSlice->getMaxNumMergeCand()==MRG_MAX_NUM_CANDS_SIGNALED); |
---|
| 2362 | #endif |
---|
| 2363 | |
---|
| 2364 | if (!bEntropySlice) |
---|
| 2365 | { |
---|
| 2366 | if(sps->getUseALF() && rpcSlice->getAlfEnabledFlag()) |
---|
[2] | 2367 | { |
---|
[56] | 2368 | UInt uiNumLCUsInWidth = sps->getPicWidthInLumaSamples() / g_uiMaxCUWidth; |
---|
| 2369 | UInt uiNumLCUsInHeight = sps->getPicHeightInLumaSamples() / g_uiMaxCUHeight; |
---|
| 2370 | |
---|
| 2371 | uiNumLCUsInWidth += ( sps->getPicWidthInLumaSamples() % g_uiMaxCUWidth ) ? 1 : 0; |
---|
| 2372 | uiNumLCUsInHeight += ( sps->getPicHeightInLumaSamples() % g_uiMaxCUHeight ) ? 1 : 0; |
---|
| 2373 | |
---|
| 2374 | Int uiNumCUsInFrame = uiNumLCUsInWidth* uiNumLCUsInHeight; |
---|
| 2375 | #if LCU_SYNTAX_ALF |
---|
| 2376 | if(sps->getUseALFCoefInSlice()) |
---|
[2] | 2377 | { |
---|
[56] | 2378 | alfParamSet.releaseALFParam(); |
---|
| 2379 | alfParamSet.init(); |
---|
| 2380 | Bool isAcrossSlice = sps->getLFCrossSliceBoundaryFlag(); |
---|
| 2381 | Int numSUinLCU = 1<< (g_uiMaxCUDepth << 1); |
---|
| 2382 | Int firstLCUAddr = rpcSlice->getSliceCurStartCUAddr() / numSUinLCU; |
---|
| 2383 | xParseAlfParam(&alfParamSet, false, firstLCUAddr, isAcrossSlice, uiNumLCUsInWidth, uiNumLCUsInHeight); |
---|
[2] | 2384 | } |
---|
[56] | 2385 | |
---|
| 2386 | if(!sps->getUseALFCoefInSlice()) |
---|
[2] | 2387 | { |
---|
[56] | 2388 | #endif |
---|
| 2389 | xParseAlfCuControlParam(alfCUCtrl, uiNumCUsInFrame); |
---|
| 2390 | #if LCU_SYNTAX_ALF |
---|
[2] | 2391 | } |
---|
[56] | 2392 | #endif |
---|
| 2393 | |
---|
[2] | 2394 | } |
---|
[56] | 2395 | } |
---|
| 2396 | |
---|
| 2397 | //!!!KS: The following syntax is not aligned with the working draft, TRACE support needs to be added |
---|
| 2398 | rpcSlice->setTileMarkerFlag ( 0 ); // default |
---|
| 2399 | if (!bEntropySlice) |
---|
| 2400 | { |
---|
| 2401 | #if !REMOVE_TILE_DEPENDENCE |
---|
| 2402 | if (sps->getTileBoundaryIndependenceIdr()) |
---|
| 2403 | { |
---|
| 2404 | #endif |
---|
| 2405 | xReadCode(1, uiCode); // read flag indicating if tile markers transmitted |
---|
| 2406 | rpcSlice->setTileMarkerFlag( uiCode ); |
---|
| 2407 | #if !REMOVE_TILE_DEPENDENCE |
---|
| 2408 | } |
---|
| 2409 | #endif |
---|
| 2410 | } |
---|
| 2411 | |
---|
| 2412 | #if TILES_WPP_ENTRY_POINT_SIGNALLING |
---|
| 2413 | Int tilesOrEntropyCodingSyncIdc = rpcSlice->getSPS()->getTilesOrEntropyCodingSyncIdc(); |
---|
| 2414 | UInt *entryPointOffset = NULL; |
---|
| 2415 | UInt numEntryPointOffsets, offsetLenMinus1; |
---|
| 2416 | |
---|
| 2417 | rpcSlice->setNumEntryPointOffsets ( 0 ); // default |
---|
| 2418 | |
---|
| 2419 | if (tilesOrEntropyCodingSyncIdc>0) |
---|
| 2420 | { |
---|
| 2421 | READ_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); rpcSlice->setNumEntryPointOffsets ( numEntryPointOffsets ); |
---|
| 2422 | if (numEntryPointOffsets>0) |
---|
[2] | 2423 | { |
---|
[56] | 2424 | READ_UVLC(offsetLenMinus1, "offset_len_minus1"); |
---|
[2] | 2425 | } |
---|
[56] | 2426 | entryPointOffset = new UInt[numEntryPointOffsets]; |
---|
| 2427 | for (UInt idx=0; idx<numEntryPointOffsets; idx++) |
---|
[2] | 2428 | { |
---|
[56] | 2429 | Int bitsRead = m_pcBitstream->getNumBitsRead(); |
---|
| 2430 | READ_CODE(offsetLenMinus1+1, uiCode, "entry_point_offset"); |
---|
| 2431 | entryPointOffset[ idx ] = uiCode; |
---|
| 2432 | if ( idx == 0 && tilesOrEntropyCodingSyncIdc == 2 ) |
---|
[2] | 2433 | { |
---|
[56] | 2434 | // Subtract distance from NALU header start to provide WPP 0-th substream the correct size. |
---|
| 2435 | entryPointOffset[ idx ] -= ( bitsRead + numEntryPointOffsets*(offsetLenMinus1+1) ) >> 3; |
---|
[2] | 2436 | } |
---|
[56] | 2437 | } |
---|
| 2438 | } |
---|
[2] | 2439 | |
---|
[56] | 2440 | if ( tilesOrEntropyCodingSyncIdc == 1 ) // tiles |
---|
| 2441 | { |
---|
| 2442 | rpcSlice->setTileLocationCount( numEntryPointOffsets ); |
---|
[2] | 2443 | |
---|
[56] | 2444 | UInt prevPos = 0; |
---|
| 2445 | for (Int idx=0; idx<rpcSlice->getTileLocationCount(); idx++) |
---|
| 2446 | { |
---|
| 2447 | rpcSlice->setTileLocation( idx, prevPos + entryPointOffset [ idx ] ); |
---|
| 2448 | prevPos += entryPointOffset[ idx ]; |
---|
| 2449 | } |
---|
| 2450 | } |
---|
| 2451 | else if ( tilesOrEntropyCodingSyncIdc == 2 ) // wavefront |
---|
| 2452 | { |
---|
| 2453 | Int numSubstreams = pps->getNumSubstreams(); |
---|
| 2454 | rpcSlice->allocSubstreamSizes(numSubstreams); |
---|
| 2455 | UInt *pSubstreamSizes = rpcSlice->getSubstreamSizes(); |
---|
| 2456 | for (Int idx=0; idx<numSubstreams-1; idx++) |
---|
| 2457 | { |
---|
| 2458 | if ( idx < numEntryPointOffsets ) |
---|
[2] | 2459 | { |
---|
[56] | 2460 | pSubstreamSizes[ idx ] = ( entryPointOffset[ idx ] << 3 ) ; |
---|
[2] | 2461 | } |
---|
| 2462 | else |
---|
| 2463 | { |
---|
[56] | 2464 | pSubstreamSizes[ idx ] = 0; |
---|
[2] | 2465 | } |
---|
| 2466 | } |
---|
[56] | 2467 | } |
---|
| 2468 | |
---|
| 2469 | if (entryPointOffset) |
---|
| 2470 | { |
---|
| 2471 | delete [] entryPointOffset; |
---|
| 2472 | } |
---|
| 2473 | #else |
---|
| 2474 | #if WPP_SIMPLIFICATION |
---|
| 2475 | if (pps->getNumSubstreams() > 1) |
---|
| 2476 | #else |
---|
| 2477 | if (pps->getEntropyCodingSynchro()) |
---|
| 2478 | #endif |
---|
| 2479 | { |
---|
| 2480 | UInt uiNumSubstreams = pps->getNumSubstreams(); |
---|
| 2481 | rpcSlice->allocSubstreamSizes(uiNumSubstreams); |
---|
| 2482 | UInt *puiSubstreamSizes = rpcSlice->getSubstreamSizes(); |
---|
| 2483 | |
---|
| 2484 | for (UInt ui = 0; ui+1 < uiNumSubstreams; ui++) |
---|
[2] | 2485 | { |
---|
[56] | 2486 | xReadCode(2, uiCode); |
---|
| 2487 | |
---|
| 2488 | switch ( uiCode ) |
---|
[2] | 2489 | { |
---|
[56] | 2490 | case 0: |
---|
| 2491 | xReadCode(8, uiCode); |
---|
| 2492 | break; |
---|
| 2493 | case 1: |
---|
| 2494 | xReadCode(16, uiCode); |
---|
| 2495 | break; |
---|
| 2496 | case 2: |
---|
| 2497 | xReadCode(24, uiCode); |
---|
| 2498 | break; |
---|
| 2499 | case 3: |
---|
| 2500 | xReadCode(32, uiCode); |
---|
| 2501 | break; |
---|
| 2502 | default: |
---|
| 2503 | printf("Error in parseSliceHeader\n"); |
---|
| 2504 | exit(-1); |
---|
| 2505 | break; |
---|
[2] | 2506 | } |
---|
[56] | 2507 | puiSubstreamSizes[ui] = uiCode; |
---|
[2] | 2508 | } |
---|
| 2509 | } |
---|
[56] | 2510 | #endif |
---|
[2] | 2511 | |
---|
[56] | 2512 | if (!bEntropySlice) |
---|
| 2513 | { |
---|
| 2514 | // Reading location information |
---|
| 2515 | #if !REMOVE_TILE_DEPENDENCE |
---|
| 2516 | if (sps->getTileBoundaryIndependenceIdr()) |
---|
| 2517 | { |
---|
| 2518 | #endif |
---|
| 2519 | #if !TILES_WPP_ENTRY_POINT_SIGNALLING |
---|
| 2520 | xReadCode(1, uiCode); // read flag indicating if location information signaled in slice header |
---|
| 2521 | Bool bTileLocationInformationInSliceHeaderFlag = (uiCode)? true : false; |
---|
[2] | 2522 | |
---|
[56] | 2523 | if (bTileLocationInformationInSliceHeaderFlag) |
---|
| 2524 | { |
---|
| 2525 | // location count |
---|
| 2526 | xReadCode(5, uiCode); // number of tiles for which location information signaled |
---|
| 2527 | rpcSlice->setTileLocationCount ( uiCode + 1 ); |
---|
[2] | 2528 | |
---|
[56] | 2529 | xReadCode(5, uiCode); // number of bits used by diff |
---|
| 2530 | Int iBitsUsedByDiff = uiCode + 1; |
---|
[2] | 2531 | |
---|
[56] | 2532 | // read out tile start location |
---|
| 2533 | Int iLastSize = 0; |
---|
| 2534 | for (UInt uiIdx=0; uiIdx<rpcSlice->getTileLocationCount(); uiIdx++) |
---|
| 2535 | { |
---|
| 2536 | Int iAbsDiff, iCurSize, iCurDiff; |
---|
| 2537 | if (uiIdx==0) |
---|
| 2538 | { |
---|
| 2539 | xReadCode(iBitsUsedByDiff-1, uiCode); iAbsDiff = uiCode; |
---|
| 2540 | rpcSlice->setTileLocation( uiIdx, iAbsDiff ); |
---|
| 2541 | iCurDiff = iAbsDiff; |
---|
| 2542 | iLastSize = iAbsDiff; |
---|
| 2543 | } |
---|
| 2544 | else |
---|
| 2545 | { |
---|
| 2546 | xReadCode(1, uiCode); // read sign |
---|
| 2547 | Int iSign = (uiCode) ? -1 : +1; |
---|
| 2548 | |
---|
| 2549 | xReadCode(iBitsUsedByDiff-1, uiCode); iAbsDiff = uiCode; |
---|
| 2550 | iCurDiff = (iSign) * iAbsDiff; |
---|
| 2551 | iCurSize = iLastSize + iCurDiff; |
---|
| 2552 | iLastSize = iCurSize; |
---|
| 2553 | rpcSlice->setTileLocation( uiIdx, rpcSlice->getTileLocation( uiIdx-1 ) + iCurSize ); // calculate byte location |
---|
| 2554 | } |
---|
| 2555 | } |
---|
| 2556 | } |
---|
| 2557 | #endif |
---|
| 2558 | |
---|
| 2559 | // read out trailing bits |
---|
| 2560 | m_pcBitstream->readOutTrailingBits(); |
---|
| 2561 | #if !REMOVE_TILE_DEPENDENCE |
---|
| 2562 | } |
---|
| 2563 | #endif |
---|
[2] | 2564 | } |
---|
| 2565 | return; |
---|
| 2566 | } |
---|
| 2567 | |
---|
[56] | 2568 | Void TDecCavlc::xParseAlfCuControlParam(AlfCUCtrlInfo& cAlfParam, Int iNumCUsInPic) |
---|
[2] | 2569 | { |
---|
[56] | 2570 | UInt uiSymbol; |
---|
| 2571 | Int iSymbol; |
---|
[2] | 2572 | |
---|
[56] | 2573 | READ_FLAG (uiSymbol, "alf_cu_control_flag"); |
---|
| 2574 | cAlfParam.cu_control_flag = uiSymbol; |
---|
| 2575 | if (cAlfParam.cu_control_flag) |
---|
[2] | 2576 | { |
---|
[56] | 2577 | READ_UVLC (uiSymbol, "alf_cu_control_max_depth"); |
---|
| 2578 | cAlfParam.alf_max_depth = uiSymbol; |
---|
[2] | 2579 | |
---|
[56] | 2580 | READ_SVLC (iSymbol, "alf_length_cu_control_info"); |
---|
| 2581 | cAlfParam.num_alf_cu_flag = (UInt)(iSymbol + iNumCUsInPic); |
---|
[2] | 2582 | |
---|
[56] | 2583 | cAlfParam.alf_cu_flag.resize(cAlfParam.num_alf_cu_flag); |
---|
| 2584 | |
---|
| 2585 | for(UInt i=0; i< cAlfParam.num_alf_cu_flag; i++) |
---|
| 2586 | { |
---|
| 2587 | READ_FLAG (cAlfParam.alf_cu_flag[i], "alf_cu_flag"); |
---|
| 2588 | } |
---|
[2] | 2589 | } |
---|
[56] | 2590 | } |
---|
[2] | 2591 | |
---|
[56] | 2592 | #if !CABAC_INIT_FLAG |
---|
| 2593 | Void TDecCavlc::resetEntropy (TComSlice* pcSlice) |
---|
| 2594 | { |
---|
[2] | 2595 | } |
---|
| 2596 | #endif |
---|
[56] | 2597 | |
---|
| 2598 | Void TDecCavlc::parseTerminatingBit( UInt& ruiBit ) |
---|
[2] | 2599 | { |
---|
[56] | 2600 | ruiBit = false; |
---|
| 2601 | Int iBitsLeft = m_pcBitstream->getNumBitsLeft(); |
---|
| 2602 | if(iBitsLeft <= 8) |
---|
[2] | 2603 | { |
---|
[56] | 2604 | UInt uiPeekValue = m_pcBitstream->peekBits(iBitsLeft); |
---|
| 2605 | if (uiPeekValue == (1<<(iBitsLeft-1))) |
---|
| 2606 | { |
---|
| 2607 | ruiBit = true; |
---|
| 2608 | } |
---|
[2] | 2609 | } |
---|
| 2610 | } |
---|
| 2611 | |
---|
[56] | 2612 | Void TDecCavlc::parseSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 2613 | { |
---|
[56] | 2614 | assert(0); |
---|
| 2615 | } |
---|
[2] | 2616 | |
---|
[152] | 2617 | #if LGE_ILLUCOMP_B0045 |
---|
| 2618 | Void TDecCavlc::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2619 | { |
---|
| 2620 | assert(0); |
---|
| 2621 | } |
---|
| 2622 | #endif |
---|
| 2623 | |
---|
[56] | 2624 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
| 2625 | Void TDecCavlc::parseMVPIdx( Int& riMVPIdx, Int iAMVPCands ) |
---|
[2] | 2626 | #else |
---|
[56] | 2627 | Void TDecCavlc::parseMVPIdx( Int& riMVPIdx ) |
---|
[2] | 2628 | #endif |
---|
[56] | 2629 | { |
---|
| 2630 | assert(0); |
---|
| 2631 | } |
---|
[2] | 2632 | |
---|
[56] | 2633 | Void TDecCavlc::parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2634 | { |
---|
| 2635 | assert(0); |
---|
| 2636 | } |
---|
[2] | 2637 | |
---|
[56] | 2638 | Void TDecCavlc::parsePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2639 | { |
---|
| 2640 | assert(0); |
---|
| 2641 | } |
---|
[2] | 2642 | |
---|
[56] | 2643 | Void TDecCavlc::parsePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2644 | { |
---|
| 2645 | assert(0); |
---|
| 2646 | } |
---|
[2] | 2647 | |
---|
[56] | 2648 | /** Parse I_PCM information. |
---|
| 2649 | * \param pcCU pointer to CU |
---|
| 2650 | * \param uiAbsPartIdx CU index |
---|
| 2651 | * \param uiDepth CU depth |
---|
| 2652 | * \returns Void |
---|
| 2653 | * |
---|
| 2654 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
---|
| 2655 | */ |
---|
| 2656 | Void TDecCavlc::parseIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2657 | { |
---|
| 2658 | #if BURST_IPCM |
---|
| 2659 | assert(0); |
---|
[2] | 2660 | #else |
---|
[56] | 2661 | UInt uiSymbol; |
---|
[2] | 2662 | |
---|
[56] | 2663 | xReadFlag( uiSymbol ); |
---|
[2] | 2664 | |
---|
[56] | 2665 | if ( uiSymbol ) |
---|
| 2666 | { |
---|
| 2667 | Bool bIpcmFlag = true; |
---|
[2] | 2668 | |
---|
[56] | 2669 | xReadPCMAlignZero(); |
---|
[2] | 2670 | |
---|
[56] | 2671 | pcCU->setPartSizeSubParts ( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
---|
| 2672 | pcCU->setSizeSubParts ( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
---|
| 2673 | pcCU->setIPCMFlagSubParts ( bIpcmFlag, uiAbsPartIdx, uiDepth ); |
---|
[2] | 2674 | |
---|
[56] | 2675 | UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight(); |
---|
| 2676 | UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx; |
---|
| 2677 | UInt uiChromaOffset = uiLumaOffset>>2; |
---|
[2] | 2678 | |
---|
[56] | 2679 | Pel* piPCMSample; |
---|
| 2680 | UInt uiWidth; |
---|
| 2681 | UInt uiHeight; |
---|
| 2682 | UInt uiSampleBits; |
---|
| 2683 | UInt uiX, uiY; |
---|
[2] | 2684 | |
---|
[56] | 2685 | piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset; |
---|
| 2686 | uiWidth = pcCU->getWidth(uiAbsPartIdx); |
---|
| 2687 | uiHeight = pcCU->getHeight(uiAbsPartIdx); |
---|
| 2688 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
---|
[2] | 2689 | |
---|
[56] | 2690 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
[2] | 2691 | { |
---|
[56] | 2692 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
[2] | 2693 | { |
---|
[56] | 2694 | UInt uiSample; |
---|
| 2695 | xReadCode(uiSampleBits, uiSample); |
---|
| 2696 | |
---|
| 2697 | piPCMSample[uiX] = uiSample; |
---|
[2] | 2698 | } |
---|
[56] | 2699 | piPCMSample += uiWidth; |
---|
[2] | 2700 | } |
---|
| 2701 | |
---|
[56] | 2702 | piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset; |
---|
| 2703 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 2704 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 2705 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
[2] | 2706 | |
---|
[56] | 2707 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
[2] | 2708 | { |
---|
[56] | 2709 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
[2] | 2710 | { |
---|
[56] | 2711 | UInt uiSample; |
---|
| 2712 | xReadCode(uiSampleBits, uiSample); |
---|
| 2713 | piPCMSample[uiX] = uiSample; |
---|
[2] | 2714 | } |
---|
[56] | 2715 | piPCMSample += uiWidth; |
---|
[2] | 2716 | } |
---|
| 2717 | |
---|
[56] | 2718 | piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset; |
---|
| 2719 | uiWidth = pcCU->getWidth(uiAbsPartIdx)/2; |
---|
| 2720 | uiHeight = pcCU->getHeight(uiAbsPartIdx)/2; |
---|
| 2721 | uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 2722 | |
---|
| 2723 | for(uiY = 0; uiY < uiHeight; uiY++) |
---|
[2] | 2724 | { |
---|
[56] | 2725 | for(uiX = 0; uiX < uiWidth; uiX++) |
---|
[2] | 2726 | { |
---|
[56] | 2727 | UInt uiSample; |
---|
| 2728 | xReadCode(uiSampleBits, uiSample); |
---|
| 2729 | piPCMSample[uiX] = uiSample; |
---|
[2] | 2730 | } |
---|
[56] | 2731 | piPCMSample += uiWidth; |
---|
[2] | 2732 | } |
---|
| 2733 | } |
---|
[56] | 2734 | #endif |
---|
[2] | 2735 | } |
---|
| 2736 | |
---|
[56] | 2737 | Void TDecCavlc::parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2738 | { |
---|
| 2739 | assert(0); |
---|
[2] | 2740 | } |
---|
| 2741 | |
---|
[56] | 2742 | Void TDecCavlc::parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 2743 | { |
---|
[56] | 2744 | assert(0); |
---|
[2] | 2745 | } |
---|
| 2746 | |
---|
[56] | 2747 | Void TDecCavlc::parseInterDir( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 2748 | { |
---|
[56] | 2749 | assert(0); |
---|
[2] | 2750 | } |
---|
| 2751 | |
---|
[56] | 2752 | Void TDecCavlc::parseRefFrmIdx( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
[2] | 2753 | { |
---|
[56] | 2754 | assert(0); |
---|
[2] | 2755 | } |
---|
| 2756 | |
---|
[56] | 2757 | Void TDecCavlc::parseMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) |
---|
[2] | 2758 | { |
---|
[56] | 2759 | assert(0); |
---|
[2] | 2760 | } |
---|
| 2761 | |
---|
[56] | 2762 | Void TDecCavlc::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
[2] | 2763 | { |
---|
[56] | 2764 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 2765 | Int qp; |
---|
| 2766 | #else |
---|
| 2767 | UInt uiQp; |
---|
[2] | 2768 | #endif |
---|
[56] | 2769 | Int iDQp; |
---|
| 2770 | |
---|
| 2771 | xReadSvlc( iDQp ); |
---|
[2] | 2772 | |
---|
[56] | 2773 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 2774 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
---|
| 2775 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+ qpBdOffsetY)) - qpBdOffsetY; |
---|
| 2776 | #else |
---|
| 2777 | uiQp = pcCU->getRefQP( uiAbsPartIdx ) + iDQp; |
---|
| 2778 | #endif |
---|
| 2779 | |
---|
| 2780 | UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)))<<(8-(pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()<<1)) ; |
---|
| 2781 | UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ; |
---|
| 2782 | |
---|
| 2783 | #if H0736_AVC_STYLE_QP_RANGE |
---|
| 2784 | pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
| 2785 | #else |
---|
| 2786 | pcCU->setQPSubParts( uiQp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
---|
| 2787 | #endif |
---|
[2] | 2788 | } |
---|
| 2789 | |
---|
[56] | 2790 | Void TDecCavlc::parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) |
---|
[2] | 2791 | { |
---|
[56] | 2792 | assert(0); |
---|
[2] | 2793 | } |
---|
| 2794 | |
---|
[56] | 2795 | Void TDecCavlc::parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) |
---|
[2] | 2796 | { |
---|
[56] | 2797 | assert(0); |
---|
[2] | 2798 | } |
---|
| 2799 | |
---|
[56] | 2800 | Void TDecCavlc::parseQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) |
---|
[2] | 2801 | { |
---|
[56] | 2802 | assert(0); |
---|
[2] | 2803 | } |
---|
| 2804 | |
---|
[56] | 2805 | Void TDecCavlc::parseQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) |
---|
[2] | 2806 | { |
---|
[56] | 2807 | assert(0); |
---|
[2] | 2808 | } |
---|
| 2809 | |
---|
| 2810 | |
---|
[56] | 2811 | Void TDecCavlc::parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) |
---|
[2] | 2812 | { |
---|
[56] | 2813 | assert(0); |
---|
[2] | 2814 | } |
---|
| 2815 | |
---|
| 2816 | Void TDecCavlc::parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2817 | { |
---|
[56] | 2818 | assert(0); |
---|
[2] | 2819 | } |
---|
| 2820 | |
---|
[56] | 2821 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
[2] | 2822 | Void |
---|
| 2823 | TDecCavlc::parseResPredFlag( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2824 | { |
---|
[56] | 2825 | assert(0); |
---|
[2] | 2826 | } |
---|
[56] | 2827 | #endif |
---|
[2] | 2828 | |
---|
| 2829 | // ==================================================================================================================== |
---|
| 2830 | // Protected member functions |
---|
| 2831 | // ==================================================================================================================== |
---|
| 2832 | |
---|
| 2833 | Void TDecCavlc::xReadCode (UInt uiLength, UInt& ruiCode) |
---|
| 2834 | { |
---|
| 2835 | assert ( uiLength > 0 ); |
---|
| 2836 | m_pcBitstream->read (uiLength, ruiCode); |
---|
| 2837 | } |
---|
| 2838 | |
---|
| 2839 | Void TDecCavlc::xReadUvlc( UInt& ruiVal) |
---|
| 2840 | { |
---|
| 2841 | UInt uiVal = 0; |
---|
| 2842 | UInt uiCode = 0; |
---|
| 2843 | UInt uiLength; |
---|
| 2844 | m_pcBitstream->read( 1, uiCode ); |
---|
[56] | 2845 | |
---|
[2] | 2846 | if( 0 == uiCode ) |
---|
| 2847 | { |
---|
| 2848 | uiLength = 0; |
---|
[56] | 2849 | |
---|
[2] | 2850 | while( ! ( uiCode & 1 )) |
---|
| 2851 | { |
---|
| 2852 | m_pcBitstream->read( 1, uiCode ); |
---|
| 2853 | uiLength++; |
---|
| 2854 | } |
---|
[56] | 2855 | |
---|
[2] | 2856 | m_pcBitstream->read( uiLength, uiVal ); |
---|
[56] | 2857 | |
---|
[2] | 2858 | uiVal += (1 << uiLength)-1; |
---|
| 2859 | } |
---|
[56] | 2860 | |
---|
[2] | 2861 | ruiVal = uiVal; |
---|
| 2862 | } |
---|
| 2863 | |
---|
| 2864 | Void TDecCavlc::xReadSvlc( Int& riVal) |
---|
| 2865 | { |
---|
| 2866 | UInt uiBits = 0; |
---|
| 2867 | m_pcBitstream->read( 1, uiBits ); |
---|
| 2868 | if( 0 == uiBits ) |
---|
| 2869 | { |
---|
| 2870 | UInt uiLength = 0; |
---|
[56] | 2871 | |
---|
[2] | 2872 | while( ! ( uiBits & 1 )) |
---|
| 2873 | { |
---|
| 2874 | m_pcBitstream->read( 1, uiBits ); |
---|
| 2875 | uiLength++; |
---|
| 2876 | } |
---|
[56] | 2877 | |
---|
[2] | 2878 | m_pcBitstream->read( uiLength, uiBits ); |
---|
[56] | 2879 | |
---|
[2] | 2880 | uiBits += (1 << uiLength); |
---|
| 2881 | riVal = ( uiBits & 1) ? -(Int)(uiBits>>1) : (Int)(uiBits>>1); |
---|
| 2882 | } |
---|
| 2883 | else |
---|
| 2884 | { |
---|
| 2885 | riVal = 0; |
---|
| 2886 | } |
---|
| 2887 | } |
---|
| 2888 | |
---|
| 2889 | Void TDecCavlc::xReadFlag (UInt& ruiCode) |
---|
| 2890 | { |
---|
| 2891 | m_pcBitstream->read( 1, ruiCode ); |
---|
| 2892 | } |
---|
| 2893 | |
---|
[56] | 2894 | /** Parse PCM alignment zero bits. |
---|
| 2895 | * \returns Void |
---|
| 2896 | */ |
---|
| 2897 | Void TDecCavlc::xReadPCMAlignZero( ) |
---|
| 2898 | { |
---|
| 2899 | UInt uiNumberOfBits = m_pcBitstream->getNumBitsUntilByteAligned(); |
---|
| 2900 | |
---|
| 2901 | if(uiNumberOfBits) |
---|
| 2902 | { |
---|
| 2903 | UInt uiBits; |
---|
| 2904 | UInt uiSymbol; |
---|
| 2905 | |
---|
| 2906 | for(uiBits = 0; uiBits < uiNumberOfBits; uiBits++) |
---|
| 2907 | { |
---|
| 2908 | xReadFlag( uiSymbol ); |
---|
| 2909 | |
---|
| 2910 | if(uiSymbol) |
---|
| 2911 | { |
---|
| 2912 | printf("\nWarning! pcm_align_zero include a non-zero value.\n"); |
---|
| 2913 | } |
---|
| 2914 | } |
---|
| 2915 | } |
---|
| 2916 | } |
---|
| 2917 | |
---|
[2] | 2918 | Void TDecCavlc::xReadUnaryMaxSymbol( UInt& ruiSymbol, UInt uiMaxSymbol ) |
---|
| 2919 | { |
---|
| 2920 | if (uiMaxSymbol == 0) |
---|
| 2921 | { |
---|
| 2922 | ruiSymbol = 0; |
---|
| 2923 | return; |
---|
| 2924 | } |
---|
[56] | 2925 | |
---|
[2] | 2926 | xReadFlag( ruiSymbol ); |
---|
[56] | 2927 | |
---|
[2] | 2928 | if (ruiSymbol == 0 || uiMaxSymbol == 1) |
---|
| 2929 | { |
---|
| 2930 | return; |
---|
| 2931 | } |
---|
[56] | 2932 | |
---|
[2] | 2933 | UInt uiSymbol = 0; |
---|
| 2934 | UInt uiCont; |
---|
[56] | 2935 | |
---|
[2] | 2936 | do |
---|
| 2937 | { |
---|
| 2938 | xReadFlag( uiCont ); |
---|
| 2939 | uiSymbol++; |
---|
| 2940 | } |
---|
| 2941 | while( uiCont && (uiSymbol < uiMaxSymbol-1) ); |
---|
[56] | 2942 | |
---|
[2] | 2943 | if( uiCont && (uiSymbol == uiMaxSymbol-1) ) |
---|
| 2944 | { |
---|
| 2945 | uiSymbol++; |
---|
| 2946 | } |
---|
[56] | 2947 | |
---|
[2] | 2948 | ruiSymbol = uiSymbol; |
---|
| 2949 | } |
---|
| 2950 | |
---|
| 2951 | Void TDecCavlc::xReadExGolombLevel( UInt& ruiSymbol ) |
---|
| 2952 | { |
---|
| 2953 | UInt uiSymbol ; |
---|
| 2954 | UInt uiCount = 0; |
---|
| 2955 | do |
---|
| 2956 | { |
---|
| 2957 | xReadFlag( uiSymbol ); |
---|
| 2958 | uiCount++; |
---|
| 2959 | } |
---|
| 2960 | while( uiSymbol && (uiCount != 13)); |
---|
[56] | 2961 | |
---|
[2] | 2962 | ruiSymbol = uiCount-1; |
---|
[56] | 2963 | |
---|
[2] | 2964 | if( uiSymbol ) |
---|
| 2965 | { |
---|
| 2966 | xReadEpExGolomb( uiSymbol, 0 ); |
---|
| 2967 | ruiSymbol += uiSymbol+1; |
---|
| 2968 | } |
---|
[56] | 2969 | |
---|
[2] | 2970 | return; |
---|
| 2971 | } |
---|
| 2972 | |
---|
| 2973 | Void TDecCavlc::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
---|
| 2974 | { |
---|
| 2975 | UInt uiSymbol = 0; |
---|
| 2976 | UInt uiBit = 1; |
---|
[56] | 2977 | |
---|
| 2978 | |
---|
[2] | 2979 | while( uiBit ) |
---|
| 2980 | { |
---|
| 2981 | xReadFlag( uiBit ); |
---|
| 2982 | uiSymbol += uiBit << uiCount++; |
---|
| 2983 | } |
---|
[56] | 2984 | |
---|
[2] | 2985 | uiCount--; |
---|
| 2986 | while( uiCount-- ) |
---|
| 2987 | { |
---|
| 2988 | xReadFlag( uiBit ); |
---|
| 2989 | uiSymbol += uiBit << uiCount; |
---|
| 2990 | } |
---|
[56] | 2991 | |
---|
[2] | 2992 | ruiSymbol = uiSymbol; |
---|
[56] | 2993 | |
---|
[2] | 2994 | return; |
---|
| 2995 | } |
---|
| 2996 | |
---|
| 2997 | UInt TDecCavlc::xGetBit() |
---|
| 2998 | { |
---|
| 2999 | UInt ruiCode; |
---|
| 3000 | m_pcBitstream->read( 1, ruiCode ); |
---|
| 3001 | return ruiCode; |
---|
| 3002 | } |
---|
| 3003 | |
---|
[56] | 3004 | |
---|
| 3005 | /** parse explicit wp tables |
---|
| 3006 | * \param TComSlice* pcSlice |
---|
| 3007 | * \returns Void |
---|
| 3008 | */ |
---|
| 3009 | Void TDecCavlc::xParsePredWeightTable( TComSlice* pcSlice ) |
---|
[2] | 3010 | { |
---|
[56] | 3011 | wpScalingParam *wp; |
---|
| 3012 | Bool bChroma = true; // color always present in HEVC ? |
---|
| 3013 | TComPPS* pps = pcSlice->getPPS(); |
---|
| 3014 | SliceType eSliceType = pcSlice->getSliceType(); |
---|
| 3015 | Int iNbRef = (eSliceType == B_SLICE ) ? (2) : (1); |
---|
| 3016 | UInt uiLog2WeightDenomLuma, uiLog2WeightDenomChroma; |
---|
| 3017 | UInt uiMode = 0; |
---|
[2] | 3018 | |
---|
[56] | 3019 | if ( (eSliceType==P_SLICE && pps->getUseWP()) || (eSliceType==B_SLICE && pps->getWPBiPredIdc()==1 && pcSlice->getRefPicListCombinationFlag()==0) ) |
---|
| 3020 | uiMode = 1; // explicit |
---|
| 3021 | else if ( eSliceType==B_SLICE && pps->getWPBiPredIdc()==2 ) |
---|
| 3022 | uiMode = 2; // implicit |
---|
| 3023 | else if (eSliceType==B_SLICE && pps->getWPBiPredIdc()==1 && pcSlice->getRefPicListCombinationFlag()) |
---|
| 3024 | uiMode = 3; // combined explicit |
---|
[2] | 3025 | |
---|
[56] | 3026 | if ( uiMode == 1 ) // explicit |
---|
[2] | 3027 | { |
---|
[56] | 3028 | printf("\nTDecCavlc::xParsePredWeightTable(poc=%d) explicit...\n", pcSlice->getPOC()); |
---|
| 3029 | Int iDeltaDenom; |
---|
| 3030 | // decode delta_luma_log2_weight_denom : |
---|
| 3031 | READ_UVLC( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom |
---|
| 3032 | if( bChroma ) |
---|
[2] | 3033 | { |
---|
[56] | 3034 | READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom |
---|
| 3035 | assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)>=0); |
---|
| 3036 | uiLog2WeightDenomChroma = (UInt)(iDeltaDenom + uiLog2WeightDenomLuma); |
---|
| 3037 | } |
---|
| 3038 | |
---|
| 3039 | for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) |
---|
| 3040 | { |
---|
| 3041 | RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
---|
| 3042 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
---|
[2] | 3043 | { |
---|
[56] | 3044 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
| 3045 | |
---|
| 3046 | wp[0].uiLog2WeightDenom = uiLog2WeightDenomLuma; |
---|
| 3047 | wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
| 3048 | wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
| 3049 | |
---|
| 3050 | UInt uiCode; |
---|
| 3051 | READ_FLAG( uiCode, "luma_weight_lX_flag" ); // u(1): luma_weight_l0_flag |
---|
| 3052 | wp[0].bPresentFlag = ( uiCode == 1 ); |
---|
| 3053 | if ( wp[0].bPresentFlag ) |
---|
[2] | 3054 | { |
---|
[56] | 3055 | Int iDeltaWeight; |
---|
| 3056 | READ_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_l0[i] |
---|
| 3057 | wp[0].iWeight = (iDeltaWeight + (1<<wp[0].uiLog2WeightDenom)); |
---|
| 3058 | READ_SVLC( wp[0].iOffset, "luma_offset_lX" ); // se(v): luma_offset_l0[i] |
---|
[2] | 3059 | } |
---|
[56] | 3060 | else |
---|
[2] | 3061 | { |
---|
[56] | 3062 | wp[0].iWeight = (1 << wp[0].uiLog2WeightDenom); |
---|
| 3063 | wp[0].iOffset = 0; |
---|
[2] | 3064 | } |
---|
[56] | 3065 | if ( bChroma ) |
---|
[2] | 3066 | { |
---|
[56] | 3067 | READ_FLAG( uiCode, "chroma_weight_lX_flag" ); // u(1): chroma_weight_l0_flag |
---|
| 3068 | wp[1].bPresentFlag = ( uiCode == 1 ); |
---|
| 3069 | wp[2].bPresentFlag = ( uiCode == 1 ); |
---|
| 3070 | if ( wp[1].bPresentFlag ) |
---|
[2] | 3071 | { |
---|
[56] | 3072 | for ( Int j=1 ; j<3 ; j++ ) |
---|
| 3073 | { |
---|
| 3074 | Int iDeltaWeight; |
---|
| 3075 | READ_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): chroma_weight_l0[i][j] |
---|
| 3076 | wp[j].iWeight = (iDeltaWeight + (1<<wp[1].uiLog2WeightDenom)); |
---|
| 3077 | |
---|
| 3078 | Int iDeltaChroma; |
---|
| 3079 | READ_SVLC( iDeltaChroma, "delta_chroma_offset_lX" ); // se(v): delta_chroma_offset_l0[i][j] |
---|
| 3080 | wp[j].iOffset = iDeltaChroma - ( ( (g_uiIBDI_MAX>>1)*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) + (g_uiIBDI_MAX>>1); |
---|
| 3081 | } |
---|
[2] | 3082 | } |
---|
[56] | 3083 | else |
---|
[2] | 3084 | { |
---|
[56] | 3085 | for ( Int j=1 ; j<3 ; j++ ) |
---|
| 3086 | { |
---|
| 3087 | wp[j].iWeight = (1 << wp[j].uiLog2WeightDenom); |
---|
| 3088 | wp[j].iOffset = 0; |
---|
| 3089 | } |
---|
[2] | 3090 | } |
---|
| 3091 | } |
---|
| 3092 | } |
---|
[56] | 3093 | |
---|
| 3094 | for ( Int iRefIdx=pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx<MAX_NUM_REF ; iRefIdx++ ) |
---|
[2] | 3095 | { |
---|
[56] | 3096 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
| 3097 | |
---|
| 3098 | wp[0].bPresentFlag = false; |
---|
| 3099 | wp[1].bPresentFlag = false; |
---|
| 3100 | wp[2].bPresentFlag = false; |
---|
[2] | 3101 | } |
---|
| 3102 | } |
---|
| 3103 | } |
---|
[56] | 3104 | else if ( uiMode == 2 ) // implicit |
---|
[2] | 3105 | { |
---|
[56] | 3106 | printf("\nTDecCavlc::xParsePredWeightTable(poc=%d) implicit...\n", pcSlice->getPOC()); |
---|
[2] | 3107 | } |
---|
[56] | 3108 | else if ( uiMode == 3 ) // combined explicit |
---|
[2] | 3109 | { |
---|
[56] | 3110 | printf("\nTDecCavlc::xParsePredWeightTable(poc=%d) combined explicit...\n", pcSlice->getPOC()); |
---|
| 3111 | Int iDeltaDenom; |
---|
| 3112 | // decode delta_luma_log2_weight_denom : |
---|
| 3113 | READ_UVLC ( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom |
---|
| 3114 | if( bChroma ) |
---|
[2] | 3115 | { |
---|
[56] | 3116 | READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // ue(v): delta_chroma_log2_weight_denom |
---|
| 3117 | assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)>=0); |
---|
| 3118 | uiLog2WeightDenomChroma = (UInt)(iDeltaDenom + uiLog2WeightDenomLuma); |
---|
[2] | 3119 | } |
---|
[56] | 3120 | |
---|
| 3121 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(REF_PIC_LIST_C) ; iRefIdx++ ) |
---|
[2] | 3122 | { |
---|
[56] | 3123 | pcSlice->getWpScalingLC(iRefIdx, wp); |
---|
| 3124 | |
---|
| 3125 | wp[0].uiLog2WeightDenom = uiLog2WeightDenomLuma; |
---|
| 3126 | wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
| 3127 | wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
---|
| 3128 | |
---|
| 3129 | UInt uiCode; |
---|
| 3130 | READ_FLAG( uiCode, "luma_weight_lc_flag" ); // u(1): luma_weight_lc_flag |
---|
| 3131 | wp[0].bPresentFlag = ( uiCode == 1 ); |
---|
| 3132 | if ( wp[0].bPresentFlag ) |
---|
[2] | 3133 | { |
---|
[56] | 3134 | Int iDeltaWeight; |
---|
| 3135 | READ_SVLC( iDeltaWeight, "delta_luma_weight_lc" ); // se(v): delta_luma_weight_lc |
---|
| 3136 | wp[0].iWeight = (iDeltaWeight + (1<<wp[0].uiLog2WeightDenom)); |
---|
| 3137 | READ_SVLC( wp[0].iOffset, "luma_offset_lc" ); // se(v): luma_offset_lc |
---|
[2] | 3138 | } |
---|
[56] | 3139 | else |
---|
[2] | 3140 | { |
---|
[56] | 3141 | wp[0].iWeight = (1 << wp[0].uiLog2WeightDenom); |
---|
| 3142 | wp[0].iOffset = 0; |
---|
[2] | 3143 | } |
---|
[56] | 3144 | if ( bChroma ) |
---|
[2] | 3145 | { |
---|
[56] | 3146 | READ_FLAG( uiCode, "chroma_weight_lc_flag" ); // u(1): chroma_weight_lc_flag |
---|
| 3147 | wp[1].bPresentFlag = ( uiCode == 1 ); |
---|
| 3148 | wp[2].bPresentFlag = ( uiCode == 1 ); |
---|
| 3149 | if ( wp[1].bPresentFlag ) |
---|
[2] | 3150 | { |
---|
[56] | 3151 | for ( Int j=1 ; j<3 ; j++ ) |
---|
[2] | 3152 | { |
---|
[56] | 3153 | Int iDeltaWeight; |
---|
| 3154 | READ_SVLC( iDeltaWeight, "delta_chroma_weight_lc" ); // se(v): delta_chroma_weight_lc |
---|
| 3155 | wp[j].iWeight = (iDeltaWeight + (1<<wp[1].uiLog2WeightDenom)); |
---|
| 3156 | |
---|
| 3157 | Int iDeltaChroma; |
---|
| 3158 | READ_SVLC( iDeltaChroma, "delta_chroma_offset_lc" ); // se(v): delta_chroma_offset_lc |
---|
| 3159 | wp[j].iOffset = iDeltaChroma - ( ( (g_uiIBDI_MAX>>1)*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) + (g_uiIBDI_MAX>>1); |
---|
[2] | 3160 | } |
---|
| 3161 | } |
---|
[56] | 3162 | else |
---|
[2] | 3163 | { |
---|
[56] | 3164 | for ( Int j=1 ; j<3 ; j++ ) |
---|
[2] | 3165 | { |
---|
[56] | 3166 | wp[j].iWeight = (1 << wp[j].uiLog2WeightDenom); |
---|
| 3167 | wp[j].iOffset = 0; |
---|
[2] | 3168 | } |
---|
| 3169 | } |
---|
| 3170 | } |
---|
| 3171 | } |
---|
| 3172 | |
---|
[56] | 3173 | for ( Int iRefIdx=pcSlice->getNumRefIdx(REF_PIC_LIST_C) ; iRefIdx<2*MAX_NUM_REF ; iRefIdx++ ) |
---|
[2] | 3174 | { |
---|
[56] | 3175 | pcSlice->getWpScalingLC(iRefIdx, wp); |
---|
[2] | 3176 | |
---|
[56] | 3177 | wp[0].bPresentFlag = false; |
---|
| 3178 | wp[1].bPresentFlag = false; |
---|
| 3179 | wp[2].bPresentFlag = false; |
---|
[2] | 3180 | } |
---|
| 3181 | } |
---|
| 3182 | else |
---|
| 3183 | { |
---|
[56] | 3184 | printf("\n wrong weight pred table syntax \n "); |
---|
| 3185 | assert(0); |
---|
[2] | 3186 | } |
---|
| 3187 | } |
---|
| 3188 | |
---|
[56] | 3189 | /** decode quantization matrix |
---|
| 3190 | * \param scalingList quantization matrix information |
---|
[2] | 3191 | */ |
---|
[56] | 3192 | Void TDecCavlc::parseScalingList(TComScalingList* scalingList) |
---|
[2] | 3193 | { |
---|
[56] | 3194 | UInt code, sizeId, listId; |
---|
| 3195 | Bool scalingListPredModeFlag; |
---|
| 3196 | READ_FLAG( code, "scaling_list_present_flag" ); |
---|
| 3197 | scalingList->setScalingListPresentFlag ( (code==1)?true:false ); |
---|
| 3198 | if(scalingList->getScalingListPresentFlag() == false) |
---|
[2] | 3199 | { |
---|
[56] | 3200 | //for each size |
---|
| 3201 | for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) |
---|
[2] | 3202 | { |
---|
[56] | 3203 | for(listId = 0; listId < g_scalingListNum[sizeId]; listId++) |
---|
[2] | 3204 | { |
---|
[56] | 3205 | READ_FLAG( code, "scaling_list_pred_mode_flag"); |
---|
| 3206 | scalingListPredModeFlag = (code) ? true : false; |
---|
| 3207 | if(!scalingListPredModeFlag) //Copy Mode |
---|
[2] | 3208 | { |
---|
[56] | 3209 | READ_UVLC( code, "scaling_list_pred_matrix_id_delta"); |
---|
| 3210 | scalingList->setRefMatrixId (sizeId,listId,(UInt)((Int)(listId)-(code+1))); |
---|
| 3211 | #if SCALING_LIST |
---|
| 3212 | if( sizeId > SCALING_LIST_8x8 ) |
---|
[2] | 3213 | { |
---|
[56] | 3214 | scalingList->setScalingListDC(sizeId,listId,scalingList->getScalingListDC(sizeId, scalingList->getRefMatrixId (sizeId,listId))); |
---|
[2] | 3215 | } |
---|
[56] | 3216 | #endif |
---|
| 3217 | scalingList->processRefMatrix( sizeId, listId, scalingList->getRefMatrixId (sizeId,listId)); |
---|
| 3218 | |
---|
[2] | 3219 | } |
---|
[56] | 3220 | else //DPCM Mode |
---|
[2] | 3221 | { |
---|
[56] | 3222 | xDecodeScalingList(scalingList, sizeId, listId); |
---|
[2] | 3223 | } |
---|
| 3224 | } |
---|
| 3225 | } |
---|
| 3226 | } |
---|
| 3227 | |
---|
| 3228 | return; |
---|
| 3229 | } |
---|
[56] | 3230 | /** decode DPCM |
---|
| 3231 | * \param scalingList quantization matrix information |
---|
| 3232 | * \param sizeId size index |
---|
| 3233 | * \param listId list index |
---|
[2] | 3234 | */ |
---|
[56] | 3235 | Void TDecCavlc::xDecodeScalingList(TComScalingList *scalingList, UInt sizeId, UInt listId) |
---|
[2] | 3236 | { |
---|
[56] | 3237 | #if SCALING_LIST |
---|
| 3238 | Int i,coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); |
---|
| 3239 | Int data; |
---|
| 3240 | Int scalingListDcCoefMinus8 = 0; |
---|
| 3241 | Int nextCoef = SCALING_LIST_START_VALUE; |
---|
| 3242 | UInt* scan = g_auiFrameScanXY [ (sizeId == 0)? 1 : 2 ]; |
---|
| 3243 | Bool stopNow = false; |
---|
| 3244 | Int *dst = scalingList->getScalingListAddress(sizeId, listId); |
---|
[2] | 3245 | |
---|
[56] | 3246 | scalingList->setUseDefaultScalingMatrixFlag(sizeId,listId,false); |
---|
| 3247 | if( sizeId > SCALING_LIST_8x8 ) |
---|
[2] | 3248 | { |
---|
[56] | 3249 | READ_SVLC( scalingListDcCoefMinus8, "scaling_list_dc_coef_minus8"); |
---|
| 3250 | scalingList->setScalingListDC(sizeId,listId,scalingListDcCoefMinus8 + 8); |
---|
| 3251 | if(scalingListDcCoefMinus8 == -8) |
---|
| 3252 | { |
---|
| 3253 | scalingList->processDefaultMarix(sizeId,listId); |
---|
| 3254 | } |
---|
[2] | 3255 | } |
---|
| 3256 | |
---|
[56] | 3257 | if( !scalingList->getUseDefaultScalingMatrixFlag(sizeId,listId)) |
---|
[2] | 3258 | { |
---|
[56] | 3259 | for(i = 0; i < coefNum && !stopNow ; i++) |
---|
[2] | 3260 | { |
---|
[56] | 3261 | READ_SVLC( data, "scaling_list_delta_coef"); |
---|
| 3262 | nextCoef = (nextCoef + data + 256 ) % 256; |
---|
| 3263 | if(sizeId < SCALING_LIST_16x16) |
---|
[2] | 3264 | { |
---|
[56] | 3265 | if( i == 0 && nextCoef == 0 ) |
---|
[2] | 3266 | { |
---|
[56] | 3267 | scalingList->processDefaultMarix(sizeId,listId); |
---|
| 3268 | stopNow = true; |
---|
[2] | 3269 | } |
---|
| 3270 | } |
---|
[56] | 3271 | if(!stopNow) |
---|
[2] | 3272 | { |
---|
[56] | 3273 | dst[scan[i]] = nextCoef; |
---|
[2] | 3274 | } |
---|
| 3275 | } |
---|
| 3276 | } |
---|
[56] | 3277 | #else |
---|
| 3278 | Int i,coefNum = g_scalingListSize[sizeId]; |
---|
| 3279 | Int data; |
---|
| 3280 | Int nextCoef = SCALING_LIST_START_VALUE; |
---|
| 3281 | UInt* scan = g_auiFrameScanXY [ sizeId + 1 ]; |
---|
| 3282 | Int *dst = scalingList->getScalingListAddress(sizeId, listId); |
---|
[2] | 3283 | |
---|
[56] | 3284 | for(i = 0; i < coefNum; i++) |
---|
[2] | 3285 | { |
---|
[56] | 3286 | READ_SVLC( data, "scaling_list_delta_coef"); |
---|
| 3287 | nextCoef = (nextCoef + data + 256 ) % 256; |
---|
| 3288 | dst[scan[i]] = nextCoef; |
---|
[2] | 3289 | } |
---|
[56] | 3290 | #endif |
---|
[2] | 3291 | } |
---|
| 3292 | |
---|
[56] | 3293 | Void TDecCavlc::parseDFFlag(UInt& ruiVal, const Char *pSymbolName) |
---|
[2] | 3294 | { |
---|
[56] | 3295 | READ_FLAG(ruiVal, pSymbolName); |
---|
| 3296 | } |
---|
| 3297 | Void TDecCavlc::parseDFSvlc(Int& riVal, const Char *pSymbolName) |
---|
| 3298 | { |
---|
| 3299 | READ_SVLC(riVal, pSymbolName); |
---|
| 3300 | } |
---|
[2] | 3301 | |
---|
[56] | 3302 | Bool TDecCavlc::xMoreRbspData() |
---|
| 3303 | { |
---|
| 3304 | Int bitsLeft = m_pcBitstream->getNumBitsLeft(); |
---|
[2] | 3305 | |
---|
[56] | 3306 | // if there are more than 8 bits, it cannot be rbsp_trailing_bits |
---|
| 3307 | if (bitsLeft > 8) |
---|
[2] | 3308 | { |
---|
[56] | 3309 | return true; |
---|
| 3310 | } |
---|
[2] | 3311 | |
---|
[56] | 3312 | UChar lastByte = m_pcBitstream->peekBits(bitsLeft); |
---|
| 3313 | Int cnt = bitsLeft; |
---|
[2] | 3314 | |
---|
[56] | 3315 | // remove trailing bits equal to zero |
---|
| 3316 | while ((cnt>0) && ((lastByte & 1) == 0)) |
---|
| 3317 | { |
---|
| 3318 | lastByte >>= 1; |
---|
| 3319 | cnt--; |
---|
| 3320 | } |
---|
| 3321 | // remove bit equal to one |
---|
| 3322 | cnt--; |
---|
[2] | 3323 | |
---|
[56] | 3324 | // we should not have a negative number of bits |
---|
| 3325 | assert (cnt>=0); |
---|
[2] | 3326 | |
---|
[56] | 3327 | // we have more data, if cnt is not zero |
---|
| 3328 | return (cnt>0); |
---|
| 3329 | } |
---|
[2] | 3330 | |
---|
[56] | 3331 | //! \} |
---|