[313] | 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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[1029] | 4 | * granted under this license. |
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[313] | 5 | * |
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[1259] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[313] | 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file TEncSbac.h |
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| 35 | \brief Context-adaptive entropy encoder class (header) |
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| 36 | */ |
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| 37 | |
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| 38 | #ifndef __TENCSBAC__ |
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| 39 | #define __TENCSBAC__ |
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| 40 | |
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| 41 | #if _MSC_VER > 1000 |
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| 42 | #pragma once |
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| 43 | #endif // _MSC_VER > 1000 |
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| 44 | |
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| 45 | #include "TLibCommon/TComBitStream.h" |
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| 46 | #include "TLibCommon/ContextTables.h" |
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| 47 | #include "TLibCommon/ContextModel.h" |
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| 48 | #include "TLibCommon/ContextModel3DBuffer.h" |
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| 49 | #include "TEncEntropy.h" |
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| 50 | #include "TEncBinCoder.h" |
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| 51 | #include "TEncBinCoderCABAC.h" |
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| 52 | #if FAST_BIT_EST |
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| 53 | #include "TEncBinCoderCABACCounter.h" |
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| 54 | #endif |
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| 55 | |
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| 56 | class TEncTop; |
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| 57 | |
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| 58 | //! \ingroup TLibEncoder |
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| 59 | //! \{ |
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| 60 | |
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| 61 | // ==================================================================================================================== |
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| 62 | // Class definition |
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| 63 | // ==================================================================================================================== |
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| 64 | |
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| 65 | /// SBAC encoder class |
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| 66 | class TEncSbac : public TEncEntropyIf |
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| 67 | { |
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| 68 | public: |
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| 69 | TEncSbac(); |
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| 70 | virtual ~TEncSbac(); |
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[1029] | 71 | |
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[313] | 72 | Void init ( TEncBinIf* p ) { m_pcBinIf = p; } |
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| 73 | Void uninit () { m_pcBinIf = 0; } |
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| 74 | |
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| 75 | // Virtual list |
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| 76 | Void resetEntropy (); |
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[1235] | 77 | SliceType determineCabacInitIdx (); |
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[313] | 78 | Void setBitstream ( TComBitIf* p ) { m_pcBitIf = p; m_pcBinIf->init( p ); } |
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| 79 | Void setSlice ( TComSlice* p ) { m_pcSlice = p; } |
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[1029] | 80 | |
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| 81 | Void load ( const TEncSbac* pSrc ); |
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| 82 | Void loadIntraDirMode ( const TEncSbac* pScr, const ChannelType chType ); |
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| 83 | Void store ( TEncSbac* pDest ) const; |
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| 84 | Void loadContexts ( const TEncSbac* pSrc ); |
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[313] | 85 | Void resetBits () { m_pcBinIf->resetBits(); m_pcBitIf->resetBits(); } |
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| 86 | UInt getNumberOfWrittenBits () { return m_pcBinIf->getNumWrittenBits(); } |
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| 87 | //--SBAC RD |
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| 88 | |
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[1235] | 89 | Void codeVPS ( const TComVPS* pcVPS ); |
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| 90 | Void codeSPS ( const TComSPS* pcSPS ); |
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[1212] | 91 | #if CGS_3D_ASYMLUT |
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[1235] | 92 | Void codePPS ( const TComPPS* pcPPS, TEnc3DAsymLUT * pc3DAsymLUT ); |
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| 93 | #else |
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| 94 | Void codePPS ( const TComPPS* pcPPS ); |
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[713] | 95 | #endif |
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[1029] | 96 | Void codeSliceHeader ( TComSlice* pcSlice ); |
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| 97 | Void codeTilesWPPEntryPoint ( TComSlice* pSlice ); |
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| 98 | Void codeTerminatingBit ( UInt uilsLast ); |
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| 99 | Void codeSliceFinish (); |
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| 100 | Void codeSaoMaxUvlc ( UInt code, UInt maxSymbol ); |
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| 101 | Void codeSaoMerge ( UInt uiCode ); |
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| 102 | Void codeSaoTypeIdx ( UInt uiCode); |
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| 103 | Void codeSaoUflc ( UInt uiLength, UInt uiCode ); |
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| 104 | Void codeSAOSign ( UInt uiCode); //<! code SAO offset sign |
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[313] | 105 | |
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[644] | 106 | #if SVC_EXTENSION |
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[713] | 107 | Void codeSliceHeaderExtn ( TComSlice* pSlice, Int shBitsWrittenTillNow ); |
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[1207] | 108 | Void codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, UInt* saoMaxOffsetQVal); |
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| 109 | Void codeSAOBlkParam(SAOBlkParam& saoBlkParam |
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[644] | 110 | , UInt* saoMaxOffsetQVal |
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| 111 | , Bool* sliceEnabled |
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| 112 | , Bool leftMergeAvail |
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| 113 | , Bool aboveMergeAvail |
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| 114 | , Bool onlyEstMergeInfo = false |
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| 115 | ); |
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| 116 | #else |
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[1029] | 117 | Void codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled); |
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[540] | 118 | Void codeSAOBlkParam(SAOBlkParam& saoBlkParam |
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| 119 | , Bool* sliceEnabled |
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| 120 | , Bool leftMergeAvail |
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| 121 | , Bool aboveMergeAvail |
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| 122 | , Bool onlyEstMergeInfo = false |
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| 123 | ); |
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[644] | 124 | #endif |
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[540] | 125 | |
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[313] | 126 | private: |
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| 127 | Void xWriteUnarySymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset ); |
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| 128 | Void xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ); |
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| 129 | Void xWriteEpExGolomb ( UInt uiSymbol, UInt uiCount ); |
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[1029] | 130 | Void xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const ChannelType channelType ); |
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| 131 | |
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| 132 | Void xCopyFrom ( const TEncSbac* pSrc ); |
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| 133 | Void xCopyContextsFrom ( const TEncSbac* pSrc ); |
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| 134 | |
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[313] | 135 | Void codeDFFlag( UInt /*uiCode*/, const Char* /*pSymbolName*/ ) {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);}; |
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| 136 | Void codeDFSvlc( Int /*iCode*/, const Char* /*pSymbolName*/ ) {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);}; |
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| 137 | |
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| 138 | protected: |
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| 139 | TComBitIf* m_pcBitIf; |
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| 140 | TComSlice* m_pcSlice; |
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| 141 | TEncBinIf* m_pcBinIf; |
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| 142 | |
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| 143 | //--Adaptive loop filter |
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[1029] | 144 | |
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[313] | 145 | public: |
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| 146 | Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 147 | Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 148 | Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 149 | Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 150 | Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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| 151 | Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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[345] | 152 | |
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[313] | 153 | Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); |
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| 154 | Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 155 | Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 156 | Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx ); |
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[1029] | 157 | Void codeQtCbf ( TComTU & rTu, const ComponentID compID, const Bool lowestLevel ); |
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[313] | 158 | Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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[1029] | 159 | Void codeQtCbfZero ( TComTU &rTu, const ChannelType chType ); |
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[313] | 160 | Void codeQtRootCbfZero ( TComDataCU* pcCU ); |
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| 161 | Void codeIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple); |
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[1029] | 162 | |
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[313] | 163 | Void codeIntraDirChroma ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 164 | Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 165 | Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 166 | Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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[1029] | 167 | |
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| 168 | Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID ); |
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| 169 | |
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[313] | 170 | Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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[1029] | 171 | Void codeChromaQpAdjustment ( TComDataCU* cu, UInt absPartIdx ); |
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[313] | 172 | |
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[1029] | 173 | Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx ); |
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| 174 | Void codeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ); |
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| 175 | Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component ); |
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| 176 | |
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[313] | 177 | // ------------------------------------------------------------------------------------------------------------------- |
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| 178 | // for RD-optimizatioon |
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| 179 | // ------------------------------------------------------------------------------------------------------------------- |
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[1029] | 180 | |
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| 181 | Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType); |
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[313] | 182 | Void estCBFBit ( estBitsSbacStruct* pcEstBitsSbac ); |
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[1029] | 183 | Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType ); |
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| 184 | Void estSignificantMapBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType ); |
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| 185 | Void estLastSignificantPositionBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType ); |
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| 186 | Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType ); |
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| 187 | |
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| 188 | Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID ); |
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| 189 | |
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| 190 | |
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[313] | 191 | TEncBinIf* getEncBinIf() { return m_pcBinIf; } |
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| 192 | private: |
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| 193 | ContextModel m_contextModels[MAX_NUM_CTX_MOD]; |
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| 194 | Int m_numContextModels; |
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| 195 | ContextModel3DBuffer m_cCUSplitFlagSCModel; |
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| 196 | ContextModel3DBuffer m_cCUSkipFlagSCModel; |
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| 197 | ContextModel3DBuffer m_cCUMergeFlagExtSCModel; |
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| 198 | ContextModel3DBuffer m_cCUMergeIdxExtSCModel; |
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| 199 | ContextModel3DBuffer m_cCUPartSizeSCModel; |
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| 200 | ContextModel3DBuffer m_cCUPredModeSCModel; |
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| 201 | ContextModel3DBuffer m_cCUIntraPredSCModel; |
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| 202 | ContextModel3DBuffer m_cCUChromaPredSCModel; |
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| 203 | ContextModel3DBuffer m_cCUDeltaQpSCModel; |
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| 204 | ContextModel3DBuffer m_cCUInterDirSCModel; |
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| 205 | ContextModel3DBuffer m_cCURefPicSCModel; |
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| 206 | ContextModel3DBuffer m_cCUMvdSCModel; |
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| 207 | ContextModel3DBuffer m_cCUQtCbfSCModel; |
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| 208 | ContextModel3DBuffer m_cCUTransSubdivFlagSCModel; |
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| 209 | ContextModel3DBuffer m_cCUQtRootCbfSCModel; |
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[1029] | 210 | |
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[313] | 211 | ContextModel3DBuffer m_cCUSigCoeffGroupSCModel; |
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| 212 | ContextModel3DBuffer m_cCUSigSCModel; |
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| 213 | ContextModel3DBuffer m_cCuCtxLastX; |
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| 214 | ContextModel3DBuffer m_cCuCtxLastY; |
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| 215 | ContextModel3DBuffer m_cCUOneSCModel; |
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| 216 | ContextModel3DBuffer m_cCUAbsSCModel; |
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[1029] | 217 | |
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[313] | 218 | ContextModel3DBuffer m_cMVPIdxSCModel; |
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[1029] | 219 | |
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[313] | 220 | ContextModel3DBuffer m_cSaoMergeSCModel; |
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| 221 | ContextModel3DBuffer m_cSaoTypeIdxSCModel; |
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| 222 | ContextModel3DBuffer m_cTransformSkipSCModel; |
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| 223 | ContextModel3DBuffer m_CUTransquantBypassFlagSCModel; |
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[1029] | 224 | ContextModel3DBuffer m_explicitRdpcmFlagSCModel; |
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| 225 | ContextModel3DBuffer m_explicitRdpcmDirSCModel; |
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| 226 | ContextModel3DBuffer m_cCrossComponentPredictionSCModel; |
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| 227 | |
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| 228 | ContextModel3DBuffer m_ChromaQpAdjFlagSCModel; |
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| 229 | ContextModel3DBuffer m_ChromaQpAdjIdcSCModel; |
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| 230 | |
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| 231 | UInt m_golombRiceAdaptationStatistics[RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS]; |
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[313] | 232 | }; |
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| 233 | |
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| 234 | //! \} |
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| 235 | |
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| 236 | #endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_) |
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