source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibEncoder/TEncCavlc.h @ 832

Last change on this file since 832 was 826, checked in by interdigital, 10 years ago

Added R0300_CGS_RES_COEFF_CODING for improved residual coefficient coding
Added R0179_CGS_SIZE_8x1x1 to allow 8x1x1 LUT size
  • Property svn:eol-style set to native
File size: 8.4 KB
Line 
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
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     TEncCavlc.h
35    \brief    CAVLC encoder class (header)
36*/
37
38#ifndef __TENCCAVLC__
39#define __TENCCAVLC__
40
41#if _MSC_VER > 1000
42#pragma once
43#endif // _MSC_VER > 1000
44
45#include "TLibCommon/CommonDef.h"
46#include "TLibCommon/TComBitStream.h"
47#include "TLibCommon/TComRom.h"
48#include "TEncEntropy.h"
49#include "SyntaxElementWriter.h"
50#if Q0048_CGS_3D_ASYMLUT
51#include "../TLibCommon/TCom3DAsymLUT.h"
52#include "TEnc3DAsymLUT.h"
53#endif
54
55//! \ingroup TLibEncoder
56//! \{
57
58class TEncTop;
59#if Q0048_CGS_3D_ASYMLUT
60class TCom3DAsymLUT;
61#endif
62
63// ====================================================================================================================
64// Class definition
65// ====================================================================================================================
66
67/// CAVLC encoder class
68class TEncCavlc : public SyntaxElementWriter, public TEncEntropyIf
69{
70public:
71  TEncCavlc();
72  virtual ~TEncCavlc();
73 
74protected:
75  TComSlice*    m_pcSlice;
76  UInt          m_uiCoeffCost;
77#if !P0307_REMOVE_VPS_VUI_OFFSET
78#if VPS_VUI_OFFSET
79  Int m_vpsVuiCounter;
80#endif
81#endif
82  Void codeShortTermRefPicSet              ( TComSPS* pcSPS, TComReferencePictureSet* pcRPS, Bool calledFromSliceHeader, Int idx );
83  Bool findMatchingLTRP ( TComSlice* pcSlice, UInt *ltrpsIndex, Int ltrpPOC, Bool usedFlag );
84 
85public:
86 
87  Void  resetEntropy          ();
88  Void  determineCabacInitIdx  () {};
89
90  Void  setBitstream          ( TComBitIf* p )  { m_pcBitIf = p;  }
91  Void  setSlice              ( TComSlice* p )  { m_pcSlice = p;  }
92  Void  resetBits             ()                { m_pcBitIf->resetBits(); }
93  Void  resetCoeffCost        ()                { m_uiCoeffCost = 0;  }
94  UInt  getNumberOfWrittenBits()                { return  m_pcBitIf->getNumberOfWrittenBits();  }
95  UInt  getCoeffCost          ()                { return  m_uiCoeffCost;  }
96  Void  codeVPS                 ( TComVPS* pcVPS );
97  Void  codeVUI                 ( TComVUI *pcVUI, TComSPS* pcSPS );
98  Void  codeSPS                 ( TComSPS* pcSPS );
99  Void  codePPS                 ( TComPPS* pcPPS
100#if Q0048_CGS_3D_ASYMLUT
101    , TEnc3DAsymLUT * pc3DAsymLUT
102#endif
103    );
104  Void  codeSliceHeader         ( TComSlice* pcSlice );
105  Void  codePTL                 ( TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1);
106  Void  codeProfileTier         ( ProfileTierLevel* ptl );
107  Void  codeHrdParameters       ( TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1 );
108  Void  codeTilesWPPEntryPoint( TComSlice* pSlice );
109#if POC_RESET_IDC_SIGNALLING
110  Void  codeSliceHeaderExtn( TComSlice* slice, Int shBitsWrittenTillNow );
111#endif
112  Void  codeTerminatingBit      ( UInt uilsLast );
113  Void  codeSliceFinish         ();
114 
115  Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
116#if SVC_EXTENSION
117  Void codeSAOBlkParam(SAOBlkParam& saoBlkParam, UInt* saoMaxOffsetQVal, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false){printf("only supported in CABAC"); assert(0); exit(-1);}
118#else
119  Void codeSAOBlkParam(SAOBlkParam& saoBlkParam, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false){printf("only supported in CABAC"); assert(0); exit(-1);}
120#endif
121  Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx );
122  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
123  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
124  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
125 
126  Void codeInterModeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiEncMode );
127  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
128 
129  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
130  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
131 
132  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
133
134  Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx );
135  Void codeQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
136  Void codeQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
137  Void codeQtCbfZero     ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth );
138  Void codeQtRootCbfZero ( TComDataCU* pcCU );
139  Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple);
140  Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx );
141  Void codeInterDir      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
142  Void codeRefFrmIdx     ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
143  Void codeMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
144 
145  Void codeDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
146 
147  Void codeCoeffNxN      ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
148  Void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType );
149
150  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
151 
152  Void xCodePredWeightTable          ( TComSlice* pcSlice );
153  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true ) { return;   }
154  Void updateContextTables           ( SliceType eSliceType, Int iQp  )                          { return;   }
155
156  Void codeScalingList  ( TComScalingList* scalingList );
157  Void xCodeScalingList ( TComScalingList* scalingList, UInt sizeId, UInt listId);
158  Void codeDFFlag       ( UInt uiCode, const Char *pSymbolName );
159  Void codeDFSvlc       ( Int   iCode, const Char *pSymbolName );
160
161#if SVC_EXTENSION
162  Void codeSPSExtension        ( TComSPS* pcSPS );
163  Void codeVPSExtension        ( TComVPS* pcVPS );
164  Void codeVPSVUI              ( TComVPS *vps   );
165#if REPN_FORMAT_IN_VPS
166  Void  codeRepFormat          ( RepFormat *repFormat );
167#endif
168#if VPS_DPB_SIZE_TABLE
169  Void  codeVpsDpbSizeTable    (TComVPS *vps);
170#endif
171#if Q0048_CGS_3D_ASYMLUT
172protected:
173  Void xCode3DAsymLUT( TCom3DAsymLUT * pc3DAsymLUT );
174  Void xCode3DAsymLUTOctant( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength );
175#if R0151_CGS_3D_ASYMLUT_IMPROVE
176#if R0300_CGS_RES_COEFF_CODING
177  Void xWriteParam( Int param, UInt nFLCBits);
178  Void xCheckParamBits( Int param, Int nFLCBits, Int & nCurBits);
179  Void xTally3DAsymLUTOctantBits( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength, Int nDeltaBits, Int &nCurBits); 
180  Void xFindDeltaBits( TCom3DAsymLUT * pc3DAsymLUT );
181#else
182  Void xWriteParam( Int param);
183#endif
184#endif
185#endif
186#endif //SVC_EXTENSION
187
188};
189
190//! \}
191
192#endif // !defined(AFX_TENCCAVLC_H__EE8A0B30_945B_4169_B290_24D3AD52296F__INCLUDED_)
193
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