source: SHVCSoftware/trunk/source/Lib/TLibEncoder/TEncSlice.h @ 1083

Last change on this file since 1083 was 906, checked in by seregin, 10 years ago

merge SHM-dev
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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) 2010-2014, 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
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25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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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     TEncSlice.h
35    \brief    slice encoder class (header)
36*/
37
38#ifndef __TENCSLICE__
39#define __TENCSLICE__
40
41// Include files
42#include "TLibCommon/CommonDef.h"
43#include "TLibCommon/TComList.h"
44#include "TLibCommon/TComPic.h"
45#include "TLibCommon/TComPicYuv.h"
46#include "TEncCu.h"
47#include "WeightPredAnalysis.h"
48#include "TEncRateCtrl.h"
49
50//! \ingroup TLibEncoder
51//! \{
52
53class TEncTop;
54class TEncGOP;
55
56// ====================================================================================================================
57// Class definition
58// ====================================================================================================================
59
60/// slice encoder class
61class TEncSlice
62  : public WeightPredAnalysis
63{
64private:
65  // encoder configuration
66  TEncCfg*                m_pcCfg;                              ///< encoder configuration class
67
68  // pictures
69  TComList<TComPic*>*     m_pcListPic;                          ///< list of pictures
70  TComPicYuv*             m_apcPicYuvPred;                      ///< prediction picture buffer
71  TComPicYuv*             m_apcPicYuvResi;                      ///< residual picture buffer
72 
73  // processing units
74  TEncGOP*                m_pcGOPEncoder;                       ///< GOP encoder
75  TEncCu*                 m_pcCuEncoder;                        ///< CU encoder
76 
77  // encoder search
78  TEncSearch*             m_pcPredSearch;                       ///< encoder search class
79 
80  // coding tools
81  TEncEntropy*            m_pcEntropyCoder;                     ///< entropy encoder
82  TEncCavlc*              m_pcCavlcCoder;                       ///< CAVLC encoder
83  TEncSbac*               m_pcSbacCoder;                        ///< SBAC encoder
84  TEncBinCABAC*           m_pcBinCABAC;                         ///< Bin encoder CABAC
85  TComTrQuant*            m_pcTrQuant;                          ///< transform & quantization
86 
87  // RD optimization
88  TComBitCounter*         m_pcBitCounter;                       ///< bit counter
89  TComRdCost*             m_pcRdCost;                           ///< RD cost computation
90  TEncSbac***             m_pppcRDSbacCoder;                    ///< storage for SBAC-based RD optimization
91  TEncSbac*               m_pcRDGoOnSbacCoder;                  ///< go-on SBAC encoder
92  UInt64                  m_uiPicTotalBits;                     ///< total bits for the picture
93  UInt64                  m_uiPicDist;                          ///< total distortion for the picture
94  Double                  m_dPicRdCost;                         ///< picture-level RD cost
95  Double*                 m_pdRdPicLambda;                      ///< array of lambda candidates
96  Double*                 m_pdRdPicQp;                          ///< array of picture QP candidates (double-type for lambda)
97  Int*                    m_piRdPicQp;                          ///< array of picture QP candidates (Int-type)
98  TEncBinCABAC*           m_pcBufferBinCoderCABACs;       ///< line of bin coder CABAC
99  TEncSbac*               m_pcBufferSbacCoders;                 ///< line to store temporary contexts
100  TEncBinCABAC*           m_pcBufferLowLatBinCoderCABACs;       ///< dependent tiles: line of bin coder CABAC
101  TEncSbac*               m_pcBufferLowLatSbacCoders;           ///< dependent tiles: line to store temporary contexts
102  TEncRateCtrl*           m_pcRateCtrl;                         ///< Rate control manager
103  UInt                    m_uiSliceIdx;
104  std::vector<TEncSbac*> CTXMem;
105
106#if SVC_EXTENSION
107  TEncTop**               m_ppcTEncTop;
108#endif
109
110public:
111  TEncSlice();
112  virtual ~TEncSlice();
113 
114#if AUXILIARY_PICTURES
115  Void    create              ( Int iWidth, Int iHeight, ChromaFormat chromaFormat, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth );
116#else
117  Void    create              ( Int iWidth, Int iHeight, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth );
118#endif
119  Void    destroy             ();
120  Void    init                ( TEncTop* pcEncTop );
121 
122  /// preparation of slice encoding (reference marking, QP and lambda)
123#if SVC_EXTENSION
124  Void    initEncSlice        ( TComPic*  pcPic, Int pocLast, Int pocCurr, Int iNumPicRcvd,
125                                Int iGOPid,   TComSlice*& rpcSlice, TComSPS* pSPS, TComPPS *pPPS, TComVPS *vps, Bool isField );
126#if O0194_WEIGHTED_PREDICTION_CGS
127  Void    estimateILWpParam   ( TComSlice* pcSlice );
128#endif
129#else
130  Void    initEncSlice        ( TComPic*  pcPic, Int pocLast, Int pocCurr, Int iNumPicRcvd,
131                                Int iGOPid,   TComSlice*& rpcSlice, TComSPS* pSPS, TComPPS *pPPS, Bool isField );
132#endif
133
134  Void    resetQP             ( TComPic* pic, Int sliceQP, Double lambda );
135  // compress and encode slice
136  Void    precompressSlice    ( TComPic*& rpcPic                                );      ///< precompress slice for multi-loop opt.
137  Void    compressSlice       ( TComPic*& rpcPic                                );      ///< analysis stage of slice
138  Void    calCostSliceI       ( TComPic*& rpcPic );
139  Void    encodeSlice         ( TComPic*& rpcPic, TComOutputBitstream* pcSubstreams  );
140 
141  // misc. functions
142  Void    setSearchRange      ( TComSlice* pcSlice  );                                  ///< set ME range adaptively
143  UInt64  getTotalBits        ()  { return m_uiPicTotalBits; }
144 
145  TEncCu*        getCUEncoder() { return m_pcCuEncoder; }                        ///< CU encoder
146  Void    xDetermineStartAndBoundingCUAddr  ( UInt& uiStartCUAddr, UInt& uiBoundingCUAddr, TComPic*& rpcPic, Bool bEncodeSlice );
147  UInt    getSliceIdx()         { return m_uiSliceIdx;                    }
148  Void    setSliceIdx(UInt i)   { m_uiSliceIdx = i;                       }
149  Void      initCtxMem( UInt i );
150  Void      setCtxMem( TEncSbac* sb, Int b )   { CTXMem[b] = sb; }
151
152#if WPP_FIX
153  Void     calculateBoundingCUAddrForSlice(UInt &uiStartCUAddrSlice, UInt &uiBoundingCUAddrSlice, Bool &bReachedTileBoundary, TComPic*& rpcPic, Bool bEncodeSlice, Int sliceMode, Int sliceArgument, UInt uiSliceCurEndCUAddr); 
154#endif
155
156private:
157  Double  xGetQPValueAccordingToLambda ( Double lambda );
158
159#if SVC_EXTENSION
160#if JCTVC_M0259_LAMBDAREFINEMENT
161  Double  xCalEnhLambdaFactor( Double deltaQP , Double beta );
162#endif
163#endif //SVC_EXTENSION
164};
165
166//! \}
167
168#endif // __TENCSLICE__
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