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comparison jctvc/TLibEncoder/TEncSlice.h @ 0:772086c29cc7

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Initial import.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 16 Nov 2016 11:16:33 +0200
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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
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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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
53 class TEncTop;
54 class TEncGOP;
55
56 // ====================================================================================================================
57 // Class definition
58 // ====================================================================================================================
59
60 /// slice encoder class
61 class TEncSlice
62 : public WeightPredAnalysis
63 {
64 private:
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 TEncSbac* m_pcSbacCoder; ///< SBAC encoder
83 TEncBinCABAC* m_pcBinCABAC; ///< Bin encoder CABAC
84 TComTrQuant* m_pcTrQuant; ///< transform & quantization
85
86 // RD optimization
87 TComRdCost* m_pcRdCost; ///< RD cost computation
88 TEncSbac*** m_pppcRDSbacCoder; ///< storage for SBAC-based RD optimization
89 TEncSbac* m_pcRDGoOnSbacCoder; ///< go-on SBAC encoder
90 UInt64 m_uiPicTotalBits; ///< total bits for the picture
91 UInt64 m_uiPicDist; ///< total distortion for the picture
92 Double m_dPicRdCost; ///< picture-level RD cost
93 Double* m_pdRdPicLambda; ///< array of lambda candidates
94 Double* m_pdRdPicQp; ///< array of picture QP candidates (double-type for lambda)
95 Int* m_piRdPicQp; ///< array of picture QP candidates (Int-type)
96 TEncRateCtrl* m_pcRateCtrl; ///< Rate control manager
97 UInt m_uiSliceIdx;
98 TEncSbac m_lastSliceSegmentEndContextState; ///< context storage for state at the end of the previous slice-segment (used for dependent slices only).
99 TEncSbac m_entropyCodingSyncContextState; ///< context storate for state of contexts at the wavefront/WPP/entropy-coding-sync second CTU of tile-row
100
101 Void setUpLambda(TComSlice* slice, const Double dLambda, Int iQP);
102 Void calculateBoundingCtuTsAddrForSlice(UInt &startCtuTSAddrSlice, UInt &boundingCtuTSAddrSlice, Bool &haveReachedTileBoundary, TComPic* pcPic, const Bool encodingSlice, const Int sliceMode, const Int sliceArgument, const UInt uiSliceCurEndCtuTSAddr);
103
104 public:
105 TEncSlice();
106 virtual ~TEncSlice();
107
108 Void create ( Int iWidth, Int iHeight, ChromaFormat chromaFormat, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth );
109 Void destroy ();
110 Void init ( TEncTop* pcEncTop );
111
112 /// preparation of slice encoding (reference marking, QP and lambda)
113 Void initEncSlice ( TComPic* pcPic, Int pocLast, Int pocCurr, Int iNumPicRcvd,
114 Int iGOPid, TComSlice*& rpcSlice, TComSPS* pSPS, TComPPS *pPPS, Bool isField );
115 Void resetQP ( TComPic* pic, Int sliceQP, Double lambda );
116 // compress and encode slice
117 Void precompressSlice ( TComPic* pcPic ); ///< precompress slice for multi-loop opt.
118 Void compressSlice ( TComPic* pcPic ); ///< analysis stage of slice
119 Void calCostSliceI ( TComPic* pcPic );
120 Void encodeSlice ( TComPic* pcPic, TComOutputBitstream* pcSubstreams, UInt &numBinsCoded );
121
122 // misc. functions
123 Void setSearchRange ( TComSlice* pcSlice ); ///< set ME range adaptively
124
125 TEncCu* getCUEncoder() { return m_pcCuEncoder; } ///< CU encoder
126 Void xDetermineStartAndBoundingCtuTsAddr ( UInt& startCtuTsAddr, UInt& boundingCtuTsAddr, TComPic* pcPic, const Bool encodingSlice );
127 UInt getSliceIdx() { return m_uiSliceIdx; }
128 Void setSliceIdx(UInt i) { m_uiSliceIdx = i; }
129
130 private:
131 Double xGetQPValueAccordingToLambda ( Double lambda );
132 };
133
134 //! \}
135
136 #endif // __TENCSLICE__