source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibEncoder/TEncEntropy.h @ 1550

Last change on this file since 1550 was 1549, checked in by seregin, 9 years ago

port rev 4732, update copyright notice to include 2016
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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) 2010-2016, 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#if CGS_3D_ASYMLUT
54class TEnc3DAsymLUT;
55#endif
56
57// ====================================================================================================================
58// Class definition
59// ====================================================================================================================
60
61/// entropy encoder pure class
62class TEncEntropyIf
63{
64public:
65  virtual Void  resetEntropy          (const TComSlice *pSlice)                = 0;
66  virtual SliceType determineCabacInitIdx (const TComSlice *pSlice)                = 0;
67  virtual Void  setBitstream          ( TComBitIf* p )  = 0;
68  virtual Void  resetBits             ()                = 0;
69  virtual UInt  getNumberOfWrittenBits()                = 0;
70
71  virtual Void  codeVPS                 ( const TComVPS* pcVPS )                                      = 0;
72  virtual Void  codeSPS                 ( const TComSPS* pcSPS )                                      = 0;
73#if CGS_3D_ASYMLUT
74  virtual Void  codePPS                 ( const TComPPS* pcPPS, TEnc3DAsymLUT * pc3DAsymLUT )         = 0;
75#else
76  virtual Void  codePPS                 ( const TComPPS* pcPPS )                                      = 0;
77#endif
78  virtual Void  codeSliceHeader         ( TComSlice* pcSlice )                                  = 0;
79
80  virtual Void  codeTilesWPPEntryPoint  ( TComSlice* pSlice )     = 0;
81  virtual Void  codeTerminatingBit      ( UInt uilsLast )                                       = 0;
82  virtual Void  codeSliceFinish         ()                                                      = 0;
83  virtual Void  codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0;
84
85public:
86  virtual Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
87  virtual Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
88  virtual Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
89  virtual Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
90  virtual Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
91
92  virtual Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
93  virtual Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
94
95  virtual Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
96
97  virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0;
98  virtual Void codeQtCbf         ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0;
99  virtual Void codeQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
100  virtual Void codeQtCbfZero     ( TComTU &rTu, const ChannelType chType ) = 0;
101  virtual Void codeQtRootCbfZero ( ) = 0;
102  virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0;
103
104  virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
105  virtual Void codeInterDir      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
106  virtual Void codeRefFrmIdx     ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
107  virtual Void codeMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
108
109  virtual Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID ) = 0;
110
111  virtual Void codeDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
112  virtual Void codeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
113  virtual Void codeCoeffNxN      ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ) = 0;
114  virtual Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component ) = 0;
115  virtual Void codeSAOBlkParam   (SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false)    =0;
116  virtual Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType) = 0;
117
118  virtual Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID ) = 0;
119
120  virtual ~TEncEntropyIf() {}
121
122#if SVC_EXTENSION
123  virtual Void codeSliceHeaderExtn( TComSlice* pSlice, Int shBitsWrittenTillNow )     = 0;
124#endif
125};
126
127/// entropy encoder class
128class TEncEntropy
129{
130public:
131  Void    setEntropyCoder           ( TEncEntropyIf* e );
132  Void    setBitstream              ( TComBitIf* p )          { m_pcEntropyCoderIf->setBitstream(p);  }
133  Void    resetBits                 ()                        { m_pcEntropyCoderIf->resetBits();      }
134  UInt    getNumberOfWrittenBits    ()                        { return m_pcEntropyCoderIf->getNumberOfWrittenBits(); }
135  Void    resetEntropy              (const TComSlice *pSlice) { m_pcEntropyCoderIf->resetEntropy(pSlice);  }
136  SliceType determineCabacInitIdx   (const TComSlice *pSlice) { return m_pcEntropyCoderIf->determineCabacInitIdx(pSlice); }
137
138  Void    encodeSliceHeader         ( TComSlice* pcSlice );
139  Void    encodeTilesWPPEntryPoint( TComSlice* pSlice );
140  Void    encodeTerminatingBit      ( UInt uiIsLast );
141  Void    encodeSliceFinish         ();
142  TEncEntropyIf*      m_pcEntropyCoderIf;
143
144public:
145  Void encodeVPS               ( const TComVPS* pcVPS);
146  // SPS
147  Void encodeSPS               ( const TComSPS* pcSPS );
148#if CGS_3D_ASYMLUT
149  Void encodePPS               ( const TComPPS* pcPPS, TEnc3DAsymLUT * pc3DAsymLUT );
150#else
151  Void encodePPS               ( const TComPPS* pcPPS );
152#endif
153  Void encodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
154  Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
155  Void encodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
156  Void encodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
157  Void encodeInterDirPU   ( TComDataCU* pcSubCU, UInt uiAbsPartIdx  );
158  Void encodeRefFrmIdxPU  ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
159  Void encodeMvdPU        ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
160  Void encodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
161  Void encodeMergeFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
162  Void encodeMergeIndex   ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
163  Void encodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
164  Void encodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
165  Void encodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
166  Void encodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
167  Void encodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false );
168
169  Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx );
170
171  Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx );
172  Void encodeQtCbf             ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel );
173
174  Void encodeQtCbfZero         ( TComTU &rTu, const ChannelType chType );
175  Void encodeQtRootCbfZero     ( );
176  Void encodeQtRootCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx );
177  Void encodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
178  Void encodeChromaQpAdjustment ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
179
180  Void encodeCrossComponentPrediction( TComTU &rTu, ComponentID compID );
181
182private:
183  Void xEncodeTransform        ( Bool& bCodeDQP, Bool& codeChromaQpAdj, TComTU &rTu );
184
185public:
186  Void encodeCoeff             ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& codeChromaQpAdj );
187
188  Void encodeCoeffNxN         ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID );
189
190  Void estimateBit             ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType );
191
192  Void encodeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail){m_pcEntropyCoderIf->codeSAOBlkParam(saoBlkParam, bitDepths, sliceEnabled, leftMergeAvail, aboveMergeAvail, false);}
193
194  static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize );
195
196#if SVC_EXTENSION
197  Void encodeSliceHeaderExtn( TComSlice* pSlice, Int shBitsWrittenTillNow );
198#endif
199};// END CLASS DEFINITION TEncEntropy
200
201//! \}
202
203#endif // __TENCENTROPY__
204
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