source: 3DVCSoftware/branches/HTM-15.1-MV-draft-4/source/Lib/TLibEncoder/TEncEntropy.h @ 1389

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1/* The copyright in this software is being made available under the BSD
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33
34/** \file     TEncEntropy.h
35    \brief    entropy encoder class (header)
36*/
37
38#ifndef __TENCENTROPY__
39#define __TENCENTROPY__
40
41#include "TLibCommon/TComSlice.h"
42#include "TLibCommon/TComDataCU.h"
43#include "TLibCommon/TComBitStream.h"
44#include "TLibCommon/ContextModel.h"
45#include "TLibCommon/TComPic.h"
46#include "TLibCommon/TComTrQuant.h"
47#include "TLibCommon/TComSampleAdaptiveOffset.h"
48#include "TLibCommon/TComChromaFormat.h"
49
50class TEncSbac;
51class TEncCavlc;
52class SEI;
53
54// ====================================================================================================================
55// Class definition
56// ====================================================================================================================
57
58/// entropy encoder pure class
59class TEncEntropyIf
60{
61public:
62  virtual Void  resetEntropy          (const TComSlice *pSlice)                = 0;
63  virtual SliceType determineCabacInitIdx (const TComSlice *pSlice)                = 0;
64  virtual Void  setBitstream          ( TComBitIf* p )  = 0;
65  virtual Void  resetBits             ()                = 0;
66  virtual UInt  getNumberOfWrittenBits()                = 0;
67
68  virtual Void  codeVPS                 ( const TComVPS* pcVPS )                                      = 0;
69  virtual Void  codeSPS                 ( const TComSPS* pcSPS )                                      = 0;
70  virtual Void  codePPS                 ( const TComPPS* pcPPS )                                      = 0;
71  virtual Void  codeSliceHeader         ( TComSlice* pcSlice )                                  = 0;
72
73  virtual Void  codeTilesWPPEntryPoint  ( TComSlice* pSlice )     = 0;
74  virtual Void  codeTerminatingBit      ( UInt uilsLast )                                       = 0;
75  virtual Void  codeSliceFinish         ()                                                      = 0;
76  virtual Void  codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0;
77
78public:
79  virtual Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
80  virtual Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
81  virtual Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
82  virtual Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
83  virtual Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
84
85  virtual Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
86  virtual Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
87
88  virtual Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
89
90  virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0;
91  virtual Void codeQtCbf         ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0;
92  virtual Void codeQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
93  virtual Void codeQtCbfZero     ( TComTU &rTu, const ChannelType chType ) = 0;
94  virtual Void codeQtRootCbfZero ( ) = 0;
95  virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0;
96
97  virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
98  virtual Void codeInterDir      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
99  virtual Void codeRefFrmIdx     ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
100  virtual Void codeMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
101
102  virtual Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID ) = 0;
103
104  virtual Void codeDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
105  virtual Void codeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
106  virtual Void codeCoeffNxN      ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ) = 0;
107  virtual Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component ) = 0;
108  virtual Void codeSAOBlkParam   (SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false)    =0;
109  virtual Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType) = 0;
110
111  virtual Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID ) = 0;
112
113  virtual ~TEncEntropyIf() {}
114};
115
116/// entropy encoder class
117class TEncEntropy
118{
119public:
120  Void    setEntropyCoder           ( TEncEntropyIf* e );
121  Void    setBitstream              ( TComBitIf* p )          { m_pcEntropyCoderIf->setBitstream(p);  }
122  Void    resetBits                 ()                        { m_pcEntropyCoderIf->resetBits();      }
123  UInt    getNumberOfWrittenBits    ()                        {
124#if NH_MV
125      D_PRINT_INDENT(g_encNumberOfWrittenBits,  "NumBits: " +  n2s( m_pcEntropyCoderIf->getNumberOfWrittenBits() ))
126#endif
127 return m_pcEntropyCoderIf->getNumberOfWrittenBits(); }
128  Void    resetEntropy              (const TComSlice *pSlice) { m_pcEntropyCoderIf->resetEntropy(pSlice);  }
129  SliceType determineCabacInitIdx   (const TComSlice *pSlice) { return m_pcEntropyCoderIf->determineCabacInitIdx(pSlice); }
130
131  Void    encodeSliceHeader         ( TComSlice* pcSlice );
132  Void    encodeTilesWPPEntryPoint( TComSlice* pSlice );
133  Void    encodeTerminatingBit      ( UInt uiIsLast );
134  Void    encodeSliceFinish         ();
135  TEncEntropyIf*      m_pcEntropyCoderIf;
136
137public:
138  Void encodeVPS               ( const TComVPS* pcVPS);
139  // SPS
140  Void encodeSPS               ( const TComSPS* pcSPS );
141  Void encodePPS               ( const TComPPS* pcPPS );
142  Void encodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
143  Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
144  Void encodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
145  Void encodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
146  Void encodeInterDirPU   ( TComDataCU* pcSubCU, UInt uiAbsPartIdx  );
147  Void encodeRefFrmIdxPU  ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
148  Void encodeMvdPU        ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
149  Void encodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
150  Void encodeMergeFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
151  Void encodeMergeIndex   ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
152  Void encodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
153  Void encodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
154  Void encodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
155  Void encodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
156  Void encodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false );
157
158  Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx );
159
160  Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx );
161  Void encodeQtCbf             ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel );
162
163  Void encodeQtCbfZero         ( TComTU &rTu, const ChannelType chType );
164  Void encodeQtRootCbfZero     ( );
165  Void encodeQtRootCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx );
166  Void encodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
167  Void encodeChromaQpAdjustment ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
168
169  Void encodeCrossComponentPrediction( TComTU &rTu, ComponentID compID );
170
171private:
172  Void xEncodeTransform        ( Bool& bCodeDQP, Bool& codeChromaQpAdj, TComTU &rTu );
173
174public:
175  Void encodeCoeff             ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& codeChromaQpAdj );
176
177  Void encodeCoeffNxN         ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID );
178
179  Void estimateBit             ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType );
180
181  Void encodeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail){m_pcEntropyCoderIf->codeSAOBlkParam(saoBlkParam, bitDepths, sliceEnabled, leftMergeAvail, aboveMergeAvail, false);}
182
183  static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize );
184
185};// END CLASS DEFINITION TEncEntropy
186
187//! \}
188
189#endif // __TENCENTROPY__
190
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