| 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file TEncEntropy.h |
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| 35 | \brief entropy encoder class (header) |
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| 36 | */ |
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| 37 | |
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| 38 | #ifndef __TENCENTROPY__ |
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| 39 | #define __TENCENTROPY__ |
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| 40 | |
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| 41 | #include "TLibCommon/TComSlice.h" |
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| 42 | #include "TLibCommon/TComDataCU.h" |
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| 43 | #include "TLibCommon/TComBitStream.h" |
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| 44 | #include "TLibCommon/ContextModel.h" |
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| 45 | #include "TLibCommon/TComPic.h" |
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| 46 | #include "TLibCommon/TComTrQuant.h" |
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| 47 | #include "TLibCommon/TComSampleAdaptiveOffset.h" |
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| 48 | #include "TLibCommon/TComChromaFormat.h" |
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| 49 | |
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| 50 | class TEncSbac; |
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| 51 | class TEncCavlc; |
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| 52 | class SEI; |
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| 53 | |
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| 54 | // ==================================================================================================================== |
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| 55 | // Class definition |
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| 56 | // ==================================================================================================================== |
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| 57 | |
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| 58 | /// entropy encoder pure class |
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| 59 | class TEncEntropyIf |
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| 60 | { |
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| 61 | public: |
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| 62 | virtual Void resetEntropy (const TComSlice *pSlice) = 0; |
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| 63 | virtual SliceType determineCabacInitIdx (const TComSlice *pSlice) = 0; |
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| 64 | virtual Void setBitstream ( TComBitIf* p ) = 0; |
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| 65 | virtual Void resetBits () = 0; |
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| 66 | virtual UInt getNumberOfWrittenBits() = 0; |
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| 67 | |
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| 68 | virtual Void codeVPS ( const TComVPS* pcVPS ) = 0; |
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| 69 | virtual Void codeSPS ( const TComSPS* pcSPS ) = 0; |
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| 70 | virtual Void codePPS ( const TComPPS* pcPPS ) = 0; |
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| 71 | virtual Void codeSliceHeader ( TComSlice* pcSlice ) = 0; |
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| 72 | |
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| 73 | virtual Void codeTilesWPPEntryPoint ( TComSlice* pSlice ) = 0; |
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| 74 | virtual Void codeTerminatingBit ( UInt uilsLast ) = 0; |
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| 75 | virtual Void codeSliceFinish () = 0; |
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| 76 | virtual Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; |
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| 77 | |
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| 78 | public: |
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| 79 | virtual Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 80 | virtual Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 81 | #if NH_3D_DIS |
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| 82 | virtual Void codeDIS ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 83 | #endif |
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| 84 | virtual Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 85 | virtual Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 86 | #if NH_3D_DMM || NH_3D_SDC_INTRA || H_3D_INTER_SDC |
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| 87 | virtual Void codeDeltaDC ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 88 | #endif |
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| 89 | #if NH_3D_ARP |
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| 90 | virtual Void codeARPW ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 91 | #endif |
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| 92 | #if NH_3D_IC |
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| 93 | virtual Void codeICFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 94 | #endif |
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| 95 | #if NH_3D_SDC_INTRA || H_3D_INTER_SDC |
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| 96 | virtual Void codeSDCFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 97 | #endif |
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| 98 | #if NH_3D_DBBP |
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| 99 | virtual Void codeDBBPFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 100 | #endif |
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| 101 | virtual Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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| 102 | |
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| 103 | virtual Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; |
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| 104 | virtual Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 105 | |
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| 106 | virtual Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 107 | |
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| 108 | virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0; |
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| 109 | virtual Void codeQtCbf ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0; |
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| 110 | virtual Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 111 | virtual Void codeQtCbfZero ( TComTU &rTu, const ChannelType chType ) = 0; |
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| 112 | virtual Void codeQtRootCbfZero ( ) = 0; |
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| 113 | virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0; |
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| 114 | |
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| 115 | virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 116 | virtual Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 117 | virtual Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; |
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| 118 | virtual Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0; |
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| 119 | |
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| 120 | virtual Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID ) = 0; |
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| 121 | |
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| 122 | virtual Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 123 | virtual Void codeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0; |
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| 124 | virtual Void codeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ) = 0; |
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| 125 | virtual Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component ) = 0; |
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| 126 | virtual Void codeSAOBlkParam (SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false) =0; |
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| 127 | virtual Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType) = 0; |
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| 128 | |
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| 129 | virtual Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID ) = 0; |
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| 130 | |
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| 131 | virtual ~TEncEntropyIf() {} |
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| 132 | }; |
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| 133 | |
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| 134 | /// entropy encoder class |
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| 135 | class TEncEntropy |
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| 136 | { |
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| 137 | public: |
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| 138 | Void setEntropyCoder ( TEncEntropyIf* e ); |
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| 139 | Void setBitstream ( TComBitIf* p ) { m_pcEntropyCoderIf->setBitstream(p); } |
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| 140 | Void resetBits () { m_pcEntropyCoderIf->resetBits(); } |
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| 141 | UInt getNumberOfWrittenBits () |
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| 142 | { |
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| 143 | #if ENC_DEC_TRACE && H_MV_ENC_DEC_TRAC |
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| 144 | Bool oldJustDoIt = g_bJustDoIt; |
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| 145 | g_bJustDoIt = true; |
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| 146 | writeToTraceFile( "NumberOfWrittenBits", m_pcEntropyCoderIf->getNumberOfWrittenBits(), g_encNumberOfWrittenBits ); |
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| 147 | g_bJustDoIt = oldJustDoIt; |
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| 148 | #endif |
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| 149 | return m_pcEntropyCoderIf->getNumberOfWrittenBits(); } |
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| 150 | Void resetEntropy (const TComSlice *pSlice) { m_pcEntropyCoderIf->resetEntropy(pSlice); } |
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| 151 | SliceType determineCabacInitIdx (const TComSlice *pSlice) { return m_pcEntropyCoderIf->determineCabacInitIdx(pSlice); } |
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| 152 | |
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| 153 | Void encodeSliceHeader ( TComSlice* pcSlice ); |
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| 154 | Void encodeTilesWPPEntryPoint( TComSlice* pSlice ); |
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| 155 | Void encodeTerminatingBit ( UInt uiIsLast ); |
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| 156 | Void encodeSliceFinish (); |
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| 157 | TEncEntropyIf* m_pcEntropyCoderIf; |
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| 158 | |
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| 159 | public: |
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| 160 | Void encodeVPS ( const TComVPS* pcVPS); |
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| 161 | // SPS |
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| 162 | Void encodeSPS ( const TComSPS* pcSPS ); |
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| 163 | Void encodePPS ( const TComPPS* pcPPS ); |
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| 164 | Void encodeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false ); |
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| 165 | Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 166 | Void encodeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 167 | #if NH_3D_DIS |
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| 168 | Void encodeDIS ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD=false ); |
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| 169 | #endif |
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| 170 | Void encodePUWise ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 171 | Void encodeInterDirPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx ); |
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| 172 | Void encodeRefFrmIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 173 | Void encodeMvdPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 174 | Void encodeMVPIdxPU ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList ); |
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| 175 | Void encodeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 176 | Void encodeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 177 | #if NH_3D_ARP |
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| 178 | Void encodeARPW ( TComDataCU* pcCU, UInt uiAbspartIdx ); |
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| 179 | #endif |
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| 180 | #if NH_3D_IC |
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| 181 | Void encodeICFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 182 | #endif |
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| 183 | #if NH_3D_DMM || NH_3D_SDC_INTRA || H_3D_INTER_SDC |
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| 184 | Void encodeDeltaDC ( TComDataCU* pcCU, UInt absPartIdx ); |
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| 185 | #endif |
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| 186 | #if NH_3D_SDC_INTRA || H_3D_INTER_SDC |
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| 187 | Void encodeSDCFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 188 | #endif |
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| 189 | #if NH_3D_DBBP |
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| 190 | Void encodeDBBPFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 191 | #endif |
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| 192 | Void encodePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 193 | Void encodePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false ); |
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| 194 | Void encodeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 195 | Void encodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 196 | Void encodeIntraDirModeLuma ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false ); |
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| 197 | |
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| 198 | Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 199 | |
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| 200 | Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ); |
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| 201 | Void encodeQtCbf ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ); |
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| 202 | |
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| 203 | Void encodeQtCbfZero ( TComTU &rTu, const ChannelType chType ); |
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| 204 | Void encodeQtRootCbfZero ( ); |
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| 205 | Void encodeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx ); |
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| 206 | Void encodeQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 207 | Void encodeChromaQpAdjustment ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false ); |
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| 208 | |
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| 209 | Void encodeCrossComponentPrediction( TComTU &rTu, ComponentID compID ); |
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| 210 | |
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| 211 | private: |
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| 212 | Void xEncodeTransform ( Bool& bCodeDQP, Bool& codeChromaQpAdj, TComTU &rTu ); |
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| 213 | |
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| 214 | public: |
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| 215 | Void encodeCoeff ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& codeChromaQpAdj ); |
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| 216 | |
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| 217 | Void encodeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ); |
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| 218 | |
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| 219 | Void estimateBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType ); |
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| 220 | |
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| 221 | Void encodeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail){m_pcEntropyCoderIf->codeSAOBlkParam(saoBlkParam, bitDepths, sliceEnabled, leftMergeAvail, aboveMergeAvail, false);} |
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| 222 | |
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| 223 | static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize ); |
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| 224 | |
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| 225 | };// END CLASS DEFINITION TEncEntropy |
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| 226 | |
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| 227 | //! \} |
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| 228 | |
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| 229 | #endif // __TENCENTROPY__ |
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| 230 | |
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