source: SHVCSoftware/branches/SHM-1.0-dev/source/Lib/TLibEncoder/TEncSlice.h @ 1108

Last change on this file since 1108 was 2, checked in by seregin, 12 years ago

Initial import by Vadim Seregin <vseregin@…>
File size: 7.3 KB
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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) 2010-2012, 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     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#if SVC_EXTENSION
69  TEncTop**               m_ppcTEncTop;
70#endif 
71
72  // pictures
73  TComList<TComPic*>*     m_pcListPic;                          ///< list of pictures
74  TComPicYuv*             m_apcPicYuvPred;                      ///< prediction picture buffer
75  TComPicYuv*             m_apcPicYuvResi;                      ///< residual picture buffer
76 
77  // processing units
78  TEncGOP*                m_pcGOPEncoder;                       ///< GOP encoder
79  TEncCu*                 m_pcCuEncoder;                        ///< CU encoder
80 
81  // encoder search
82  TEncSearch*             m_pcPredSearch;                       ///< encoder search class
83 
84  // coding tools
85  TEncEntropy*            m_pcEntropyCoder;                     ///< entropy encoder
86  TEncCavlc*              m_pcCavlcCoder;                       ///< CAVLC encoder
87  TEncSbac*               m_pcSbacCoder;                        ///< SBAC encoder
88  TEncBinCABAC*           m_pcBinCABAC;                         ///< Bin encoder CABAC
89  TComTrQuant*            m_pcTrQuant;                          ///< transform & quantization
90 
91  // RD optimization
92  TComBitCounter*         m_pcBitCounter;                       ///< bit counter
93  TComRdCost*             m_pcRdCost;                           ///< RD cost computation
94  TEncSbac***             m_pppcRDSbacCoder;                    ///< storage for SBAC-based RD optimization
95  TEncSbac*               m_pcRDGoOnSbacCoder;                  ///< go-on SBAC encoder
96  UInt64                  m_uiPicTotalBits;                     ///< total bits for the picture
97  UInt64                  m_uiPicDist;                          ///< total distortion for the picture
98  Double                  m_dPicRdCost;                         ///< picture-level RD cost
99  Double*                 m_pdRdPicLambda;                      ///< array of lambda candidates
100  Double*                 m_pdRdPicQp;                          ///< array of picture QP candidates (double-type for lambda)
101  Int*                    m_piRdPicQp;                          ///< array of picture QP candidates (int-type)
102  TEncBinCABAC*           m_pcBufferBinCoderCABACs;       ///< line of bin coder CABAC
103  TEncSbac*               m_pcBufferSbacCoders;                 ///< line to store temporary contexts
104  TEncBinCABAC*           m_pcBufferLowLatBinCoderCABACs;       ///< dependent tiles: line of bin coder CABAC
105  TEncSbac*               m_pcBufferLowLatSbacCoders;           ///< dependent tiles: line to store temporary contexts
106  TEncRateCtrl*           m_pcRateCtrl;                         ///< Rate control manager
107  UInt                    m_uiSliceIdx;
108#if DEPENDENT_SLICES
109  std::vector<TEncSbac*> CTXMem;
110#endif
111public:
112  TEncSlice();
113  virtual ~TEncSlice();
114 
115  Void    create              ( Int iWidth, Int iHeight, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth );
116  Void    destroy             ();
117  Void    init                ( TEncTop* pcEncTop );
118 
119  /// preparation of slice encoding (reference marking, QP and lambda)
120  Void    initEncSlice        ( TComPic*  pcPic, Int iPOCLast, UInt uiPOCCurr, Int iNumPicRcvd,
121                                Int iGOPid,   TComSlice*& rpcSlice, TComSPS* pSPS, TComPPS *pPPS );
122  Void    xLamdaRecalculation ( Int changeQP, Int idGOP, Int depth, SliceType eSliceType, TComSPS* pcSPS, TComSlice* pcSlice);
123  // compress and encode slice
124  Void    precompressSlice    ( TComPic*& rpcPic                                );      ///< precompress slice for multi-loop opt.
125  Void    compressSlice       ( TComPic*& rpcPic                                );      ///< analysis stage of slice
126  Void    encodeSlice         ( TComPic*& rpcPic, TComOutputBitstream* rpcBitstream, TComOutputBitstream* pcSubstreams  );
127 
128  // misc. functions
129  Void    setSearchRange      ( TComSlice* pcSlice  );                                  ///< set ME range adaptively
130  UInt64  getTotalBits        ()  { return m_uiPicTotalBits; }
131 
132  TEncCu*        getCUEncoder() { return m_pcCuEncoder; }                        ///< CU encoder
133  Void    xDetermineStartAndBoundingCUAddr  ( UInt& uiStartCUAddr, UInt& uiBoundingCUAddr, TComPic*& rpcPic, Bool bEncodeSlice );
134  UInt    getSliceIdx()         { return m_uiSliceIdx;                    }
135  Void    setSliceIdx(UInt i)   { m_uiSliceIdx = i;                       }
136#if DEPENDENT_SLICES
137  Void      initCtxMem( UInt i );
138  Void      setCtxMem( TEncSbac* sb, int b )   { CTXMem[b] = sb; }
139#endif
140
141#if RECALCULATE_QP_ACCORDING_LAMBDA
142private:
143  Double  xGetQPValueAccordingToLambda ( Double lambda );
144#endif
145};
146
147//! \}
148
149#endif // __TENCSLICE__
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