source: 3DVCSoftware/branches/HTM-15.1-dev0/source/Lib/TLibEncoder/TEncEntropy.h

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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license.
5 *
6 * Copyright (c) 2010-2015, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
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#if NH_3D_DIS
82  virtual Void codeDIS          ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
83#endif
84  virtual Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
85  virtual Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
86#if NH_3D_DMM || NH_3D_SDC_INTRA || NH_3D_SDC_INTER
87  virtual Void codeDeltaDC       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
88#endif
89#if NH_3D_ARP 
90  virtual Void codeARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
91#endif
92#if NH_3D_IC
93  virtual Void codeICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
94#endif
95#if NH_3D_SDC_INTRA || NH_3D_SDC_INTER
96  virtual Void codeSDCFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
97#endif
98#if NH_3D_DBBP
99  virtual Void codeDBBPFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
100#endif
101  virtual Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
102
103  virtual Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
104  virtual Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
105
106  virtual Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
107
108  virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0;
109  virtual Void codeQtCbf         ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0;
110  virtual Void codeQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
111  virtual Void codeQtCbfZero     ( TComTU &rTu, const ChannelType chType ) = 0;
112  virtual Void codeQtRootCbfZero ( ) = 0;
113  virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0;
114
115  virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
116  virtual Void codeInterDir      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
117  virtual Void codeRefFrmIdx     ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
118  virtual Void codeMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
119
120  virtual Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID ) = 0;
121
122  virtual Void codeDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
123  virtual Void codeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
124  virtual Void codeCoeffNxN      ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ) = 0;
125  virtual Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component ) = 0;
126  virtual Void codeSAOBlkParam   (SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false)    =0;
127  virtual Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType) = 0;
128
129  virtual Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID ) = 0;
130
131  virtual ~TEncEntropyIf() {}
132};
133
134/// entropy encoder class
135class TEncEntropy
136{
137public:
138  Void    setEntropyCoder           ( TEncEntropyIf* e );
139  Void    setBitstream              ( TComBitIf* p )          { m_pcEntropyCoderIf->setBitstream(p);  }
140  Void    resetBits                 ()                        { m_pcEntropyCoderIf->resetBits();      }
141  UInt    getNumberOfWrittenBits    ()                        {
142#if NH_MV
143      D_PRINT_INDENT(g_encNumberOfWrittenBits,  "NumBits: " +  n2s( m_pcEntropyCoderIf->getNumberOfWrittenBits() ))
144#endif
145 return m_pcEntropyCoderIf->getNumberOfWrittenBits(); }
146  Void    resetEntropy              (const TComSlice *pSlice) { m_pcEntropyCoderIf->resetEntropy(pSlice);  }
147  SliceType determineCabacInitIdx   (const TComSlice *pSlice) { return m_pcEntropyCoderIf->determineCabacInitIdx(pSlice); }
148
149  Void    encodeSliceHeader         ( TComSlice* pcSlice );
150  Void    encodeTilesWPPEntryPoint( TComSlice* pSlice );
151  Void    encodeTerminatingBit      ( UInt uiIsLast );
152  Void    encodeSliceFinish         ();
153  TEncEntropyIf*      m_pcEntropyCoderIf;
154
155public:
156  Void encodeVPS               ( const TComVPS* pcVPS);
157  // SPS
158  Void encodeSPS               ( const TComSPS* pcSPS );
159  Void encodePPS               ( const TComPPS* pcPPS );
160  Void encodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
161  Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
162  Void encodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
163#if NH_3D_DIS
164  Void encodeDIS               ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD=false );
165#endif
166  Void encodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
167  Void encodeInterDirPU   ( TComDataCU* pcSubCU, UInt uiAbsPartIdx  );
168  Void encodeRefFrmIdxPU  ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
169  Void encodeMvdPU        ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
170  Void encodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
171  Void encodeMergeFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
172  Void encodeMergeIndex   ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
173#if NH_3D_ARP
174  Void encodeARPW         ( TComDataCU* pcCU, UInt uiAbspartIdx );
175#endif
176#if NH_3D_IC
177  Void encodeICFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
178#endif
179#if NH_3D_DMM || NH_3D_SDC_INTRA || NH_3D_SDC_INTER
180  Void encodeDeltaDC      ( TComDataCU* pcCU, UInt absPartIdx );
181#endif
182#if NH_3D_SDC_INTRA || NH_3D_SDC_INTER
183  Void encodeSDCFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
184#endif
185#if NH_3D_DBBP
186  Void encodeDBBPFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
187#endif
188  Void encodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
189  Void encodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
190  Void encodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
191  Void encodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
192  Void encodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false );
193
194  Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx );
195
196  Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx );
197  Void encodeQtCbf             ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel );
198
199  Void encodeQtCbfZero         ( TComTU &rTu, const ChannelType chType );
200  Void encodeQtRootCbfZero     ( );
201  Void encodeQtRootCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx );
202  Void encodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
203  Void encodeChromaQpAdjustment ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
204
205  Void encodeCrossComponentPrediction( TComTU &rTu, ComponentID compID );
206
207private:
208  Void xEncodeTransform        ( Bool& bCodeDQP, Bool& codeChromaQpAdj, TComTU &rTu );
209
210public:
211  Void encodeCoeff             ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& codeChromaQpAdj );
212
213  Void encodeCoeffNxN         ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID );
214
215  Void estimateBit             ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType );
216
217  Void encodeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail){m_pcEntropyCoderIf->codeSAOBlkParam(saoBlkParam, bitDepths, sliceEnabled, leftMergeAvail, aboveMergeAvail, false);}
218
219  static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize );
220
221};// END CLASS DEFINITION TEncEntropy
222
223//! \}
224
225#endif // __TENCENTROPY__
226
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