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TEncSbac.cpp

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Last change on this file was 229, checked in by hhi-htm, 12 years ago
bug fix
Property svn:eol-style set to `native`
File size: 90.8 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 TEncSbac.cpp
35	\brief SBAC encoder class
36	*/
37
38	#include "TEncTop.h"
39	#include "TEncSbac.h"
40
41	#include <map>
42	#include <algorithm>
43
44	#if RWTH_SDC_DLT_B0036
45	#define GetNumDepthValues() (pcCU->getSlice()->getSPS()->getNumDepthValues())
46	#define GetBitsPerDepthValue() (pcCU->getSlice()->getSPS()->getBitsPerDepthValue())
47	#endif
48
49	//! \ingroup TLibEncoder
50	//! \{
51
52	// ====================================================================================================================
53	// Constructor / destructor / create / destroy
54	// ====================================================================================================================
55
56	TEncSbac::TEncSbac()
57	// new structure here
58	: m_pcBitIf ( NULL )
59	, m_pcSlice ( NULL )
60	, m_pcBinIf ( NULL )
61	, m_bAlfCtrl ( false )
62	, m_uiCoeffCost ( 0 )
63	, m_uiMaxAlfCtrlDepth ( 0 )
64	, m_numContextModels ( 0 )
65	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
66	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#if LGE_ILLUCOMP_B0045
68	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	#endif
70	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	#if HHI_INTER_VIEW_RESIDUAL_PRED
73	, m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	#endif
75	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
91	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	, m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	#if AMP_CTX
98	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	#else
100	, m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#endif
103	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
104	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	#if SAO_UNIT_INTERLEAVING
107	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
108	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
109	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#endif
111	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
112	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
113	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
114	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
115	#endif
116	#if LGE_EDGE_INTRA_A0070
117	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
118	#if LGE_EDGE_INTRA_DELTA_DC
119	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
120	#endif
121	#endif
122	#if RWTH_SDC_DLT_B0036
123	, m_cSDCFlagSCModel ( 1, 1, SDC_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
124	, m_cSDCResidualFlagSCModel ( 1, 2, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
125	, m_cSDCResidualSignFlagSCModel ( 1, 2, SDC_NUM_SIGN_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
126	, m_cSDCResidualSCModel ( 1, 2, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
127	, m_cSDCPredModeSCModel ( 1, 3, SDC_NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
128	#endif
129	{
130	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
131	m_iSliceGranularity = 0;
132	}
133
134	TEncSbac::~TEncSbac()
135	{
136	}
137
138	// ====================================================================================================================
139	// Public member functions
140	// ====================================================================================================================
141
142	Void TEncSbac::resetEntropy ()
143	{
144	Int iQp = m_pcSlice->getSliceQp();
145	SliceType eSliceType = m_pcSlice->getSliceType();
146
147	#if CABAC_INIT_FLAG
148	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
149	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
150	{
151	eSliceType = (SliceType) encCABACTableIdx;
152	}
153	#endif
154
155	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
156
157	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
158	#if LGE_ILLUCOMP_B0045
159	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
160	#endif
161	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
162	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
163	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
164	#if HHI_INTER_VIEW_RESIDUAL_PRED
165	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
166	#endif
167	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
168	#if AMP_CTX
169	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
170	#else
171	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
172	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
173	#endif
174	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
175	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
176	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
177	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
178	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
179	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
180	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
181	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
182	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
183	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
184	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
185	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
186	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
187	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
188	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
189	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
190	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
191	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
192	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
193	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
194	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
195	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
196	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
197	#if SAO_UNIT_INTERLEAVING
198	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
199	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
200	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
201	#endif
202	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
203	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
204	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
205	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
206	#endif
207	#if LGE_EDGE_INTRA_A0070
208	m_cEdgeIntraSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA );
209	#if LGE_EDGE_INTRA_DELTA_DC
210	m_cEdgeIntraDeltaDCSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
211	#endif
212	#endif
213	#if RWTH_SDC_DLT_B0036
214	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
215	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
216	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
217	m_cSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_SIGN_FLAG );
218	m_cSDCPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_PRED_MODE );
219	#endif
220
221	// new structure
222	m_uiLastQp = iQp;
223
224	m_pcBinIf->start();
225
226	return;
227	}
228
229	#if CABAC_INIT_FLAG
230	/** The function does the following:
231	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
232	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
233	*/
234	Void TEncSbac::determineCabacInitIdx()
235	{
236	Int qp = m_pcSlice->getSliceQp();
237
238	if (!m_pcSlice->isIntra())
239	{
240	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
241
242	UInt bestCost = MAX_UINT;
243	SliceType bestSliceType = aSliceTypeChoices[0];
244	for (UInt idx=0; idx<2; idx++)
245	{
246	UInt curCost = 0;
247	SliceType curSliceType = aSliceTypeChoices[idx];
248
249	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
250	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
251	#if LGE_ILLUCOMP_B0045
252	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
253	#endif
254	curCost += m_cCUAlfCtrlFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
255	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
256	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
257	#if HHI_INTER_VIEW_RESIDUAL_PRED
258	curCost += m_cResPredFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_RES_PRED_FLAG);
259	#endif
260	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
261	#if AMP_CTX
262	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
263	#else
264	curCost += m_cCUXPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_X_POS );
265	curCost += m_cCUYPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_Y_POS );
266	#endif
267	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
268	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
269	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
270	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
271	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
272	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
273	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
274	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
275	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
276	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
277	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
278	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
279	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
280	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
281	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
282	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
283	curCost += m_cALFFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_FLAG );
284	curCost += m_cALFUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_UVLC );
285	curCost += m_cALFSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_SVLC );
286	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
287	curCost += m_cSaoFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_FLAG );
288	curCost += m_cSaoUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_UVLC );
289	curCost += m_cSaoSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_SVLC );
290	#if SAO_UNIT_INTERLEAVING
291	curCost += m_cSaoMergeLeftSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
292	curCost += m_cSaoMergeUpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
293	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
294	#endif
295
296	if (curCost < bestCost)
297	{
298	bestSliceType = curSliceType;
299	bestCost = curCost;
300	}
301	}
302	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
303	}
304	else
305	{
306	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
307	}
308
309	#if CABAC_INIT_FLAG && FIX_POZNAN_CABAC_INIT_FLAG
310	m_pcSlice->getPPS()->setEncPrevPOC( m_pcSlice->getPOC() );
311	#endif
312	}
313	#endif
314
315
316	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
317	*/
318	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
319	{
320	m_pcBinIf->encodeBinTrm(1);
321	if (bExecuteFinish) m_pcBinIf->finish();
322	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
323
324	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
325	#if LGE_ILLUCOMP_B0045
326	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
327	#endif
328	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
329	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
330	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
331	#if HHI_INTER_VIEW_RESIDUAL_PRED
332	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
333	#endif
334	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
335	#if AMP_CTX
336	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
337	#else
338	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
339	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
340	#endif
341	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
342	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
343	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
344	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
345	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
346	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
347	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
348	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
349	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
350	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
351	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
352	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
353	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
354	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
355	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
356	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
357	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
358	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
359	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
360	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
361	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
362	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
363	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
364	#if SAO_UNIT_INTERLEAVING
365	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
366	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
367	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
368	#endif
369	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
370	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
371	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
372	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
373	#endif
374	#if RWTH_SDC_DLT_B0036
375	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
376	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
377	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
378	m_cSDCResidualSignFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_SIGN_FLAG );
379	m_cSDCPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_PRED_MODE );
380	#endif
381
382	m_pcBinIf->start();
383	}
384
385	Void TEncSbac::writeTileMarker( UInt uiTileIdx, UInt uiBitsUsed )
386	{
387	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
388	{
389	m_pcBinIf->encodeBinEP ( (uiTileIdx & (1 << iShift)) >> iShift );
390	}
391	}
392
393	void TEncSbac::codeSEI(const SEI&)
394	{
395	assert(0);
396	}
397
398	#if VIDYO_VPS_INTEGRATION\|QC_MVHEVC_B0046
399	Void TEncSbac::codeVPS( TComVPS* pcVPS )
400	{
401	assert (0);
402	return;
403	}
404	#endif
405
406	#if HHI_MPI
407	Void TEncSbac::codeSPS( TComSPS* pcSPS, Bool bIsDepth )
408	#else
409	Void TEncSbac::codeSPS( TComSPS* pcSPS )
410	#endif
411	{
412	assert (0);
413	return;
414	}
415
416	Void TEncSbac::codePPS( TComPPS* pcPPS )
417	{
418	assert (0);
419	return;
420	}
421
422	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
423	{
424	assert (0);
425	return;
426	}
427
428	#if TILES_WPP_ENTRY_POINT_SIGNALLING
429	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
430	{
431	assert (0);
432	return;
433	}
434	#else
435	Void TEncSbac::codeSliceHeaderSubstreamTable( TComSlice* pcSlice )
436	{
437	assert (0);
438	}
439	#endif
440
441	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
442	{
443	m_pcBinIf->encodeBinTrm( uilsLast );
444	}
445
446	Void TEncSbac::codeSliceFinish()
447	{
448	m_pcBinIf->finish();
449	}
450
451	#if OL_FLUSH
452	Void TEncSbac::codeFlush()
453	{
454	m_pcBinIf->flush();
455	}
456
457	Void TEncSbac::encodeStart()
458	{
459	m_pcBinIf->start();
460	}
461	#endif
462
463	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
464	{
465	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
466
467	if( 0 == uiSymbol)
468	{
469	return;
470	}
471
472	while( uiSymbol-- )
473	{
474	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
475	}
476
477	return;
478	}
479
480	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
481	{
482	if (uiMaxSymbol == 0)
483	{
484	return;
485	}
486
487	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
488
489	if ( uiSymbol == 0 )
490	{
491	return;
492	}
493
494	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
495
496	while( --uiSymbol )
497	{
498	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
499	}
500	if( bCodeLast )
501	{
502	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
503	}
504
505	return;
506	}
507
508	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
509	{
510	UInt bins = 0;
511	Int numBins = 0;
512
513	while( uiSymbol >= (UInt)(1<<uiCount) )
514	{
515	bins = 2 * bins + 1;
516	numBins++;
517	uiSymbol -= 1 << uiCount;
518	uiCount ++;
519	}
520	bins = 2 * bins + 0;
521	numBins++;
522
523	bins = (bins << uiCount) \| uiSymbol;
524	numBins += uiCount;
525
526	assert( numBins <= 32 );
527	m_pcBinIf->encodeBinsEP( bins, numBins );
528	}
529
530	/** Coding of coeff_abs_level_minus3
531	* \param uiSymbol value of coeff_abs_level_minus3
532	* \param ruiGoRiceParam reference to Rice parameter
533	* \returns Void
534	*/
535	Void TEncSbac::xWriteGoRiceExGolomb( UInt uiSymbol, UInt &ruiGoRiceParam )
536	{
537	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
538	Bool bExGolomb = ( uiSymbol > uiMaxVlc );
539	UInt uiCodeWord = min<UInt>( uiSymbol, ( uiMaxVlc + 1 ) );
540	UInt uiQuotient = uiCodeWord >> ruiGoRiceParam;
541	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
542
543	UInt binValues;
544	Int numBins;
545
546	if ( uiQuotient >= uiMaxPreLen )
547	{
548	numBins = uiMaxPreLen;
549	binValues = ( 1 << numBins ) - 1;
550	}
551	else
552	{
553	numBins = uiQuotient + 1;
554	binValues = ( 1 << numBins ) - 2;
555	}
556
557	m_pcBinIf->encodeBinsEP( ( binValues << ruiGoRiceParam ) + uiCodeWord - ( uiQuotient << ruiGoRiceParam ), numBins + ruiGoRiceParam );
558
559	#if EIGHT_BITS_RICE_CODE
560	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 23 ) ];
561	#else
562	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 15 ) ];
563	#endif
564
565	if( bExGolomb )
566	{
567	uiSymbol -= uiMaxVlc + 1;
568	xWriteEpExGolomb( uiSymbol, 0 );
569	}
570	}
571
572	// SBAC RD
573	Void TEncSbac::load ( TEncSbac* pSrc)
574	{
575	this->xCopyFrom(pSrc);
576	}
577
578	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
579	{
580	m_pcBinIf->copyState( pSrc->m_pcBinIf );
581
582	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
583	}
584
585
586	Void TEncSbac::store( TEncSbac* pDest)
587	{
588	pDest->xCopyFrom( this );
589	}
590
591
592	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
593	{
594	m_pcBinIf->copyState( pSrc->m_pcBinIf );
595
596	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
597	this->m_uiLastQp = pSrc->m_uiLastQp;
598
599	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
600	}
601
602	#if HHI_INTER_VIEW_MOTION_PRED
603	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum )
604	#else
605	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
606	#endif
607	{
608	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
609	#if HHI_INTER_VIEW_MOTION_PRED
610	#else
611	Int iNum = AMVP_MAX_NUM_CANDS;
612	#endif
613
614	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
615	}
616
617	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
618	{
619	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
620
621	#if OL_QTLIMIT_PREDCODING_B0068
622	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
623	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
624	Bool bDepthMapDetect = (pcTexture != NULL);
625	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
626
627	#if HHI_QTLPC_RAU_OFF_C0160
628	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
629	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
630	#else
631	if(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
632	#endif
633	{
634	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
635	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
636	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
637	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
638	{
639	assert( eSize == SIZE_2Nx2N );
640	return;
641	}
642	}
643	#endif
644
645	if ( pcCU->isIntra( uiAbsPartIdx ) )
646	{
647	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
648	{
649	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
650	}
651	return;
652	}
653
654	switch(eSize)
655	{
656	case SIZE_2Nx2N:
657	{
658	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
659	break;
660	}
661	case SIZE_2NxN:
662	case SIZE_2NxnU:
663	case SIZE_2NxnD:
664	{
665	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
666	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
667	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
668	{
669	if (eSize == SIZE_2NxN)
670	{
671	#if AMP_CTX
672	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
673	#else
674	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
675	#endif
676	}
677	else
678	{
679	#if AMP_CTX
680	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
681	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
682	#else
683	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
684	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
685	#endif
686	}
687	}
688	break;
689	}
690	case SIZE_Nx2N:
691	case SIZE_nLx2N:
692	case SIZE_nRx2N:
693	{
694	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
695	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
696	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
697	{
698	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
699	}
700	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
701	{
702	if (eSize == SIZE_Nx2N)
703	{
704	#if AMP_CTX
705	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
706	#else
707	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
708	#endif
709	}
710	else
711	{
712	#if AMP_CTX
713	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
714	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
715	#else
716	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
717	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
718	#endif
719	}
720	}
721	break;
722	}
723	case SIZE_NxN:
724	{
725	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
726	{
727	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
728	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
729	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
730	}
731	break;
732	}
733	default:
734	{
735	assert(0);
736	}
737	}
738	}
739
740	/** code prediction mode
741	* \param pcCU
742	* \param uiAbsPartIdx
743	* \returns Void
744	*/
745	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
746	{
747	#if RWTH_SDC_DLT_B0036
748	if ( pcCU->getSlice()->isIntra() )
749	{
750	assert( pcCU->isIntra(uiAbsPartIdx) );
751	return;
752	}
753	#endif
754
755	// get context function is here
756	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
757	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
758	}
759
760	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
761	{
762	if (!m_bAlfCtrl)
763	return;
764
765	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
766	{
767	return;
768	}
769
770	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
771	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
772	}
773
774	Void TEncSbac::codeAlfCtrlDepth()
775	{
776	if (!m_bAlfCtrl)
777	return;
778
779	UInt uiDepth = m_uiMaxAlfCtrlDepth;
780	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
781	}
782
783	/** code skip flag
784	* \param pcCU
785	* \param uiAbsPartIdx
786	* \returns Void
787	*/
788	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
789	{
790	// get context function is here
791	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
792	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
793	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
794	DTRACE_CABAC_VL( g_nSymbolCounter++ );
795	DTRACE_CABAC_T( "\tSkipFlag" );
796	DTRACE_CABAC_T( "\tuiCtxSkip: ");
797	DTRACE_CABAC_V( uiCtxSkip );
798	DTRACE_CABAC_T( "\tuiSymbol: ");
799	DTRACE_CABAC_V( uiSymbol );
800	DTRACE_CABAC_T( "\n");
801	}
802
803	#if LGE_ILLUCOMP_B0045
804	/** code Illumination Compensation flag
805	* \param pcCU
806	* \param uiAbsPartIdx
807	* \returns Void
808	*/
809	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
810	{
811	// get context function is here
812	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
813	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
814	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
815	DTRACE_CABAC_VL( g_nSymbolCounter++ );
816	DTRACE_CABAC_T( "\tICFlag" );
817	DTRACE_CABAC_T( "\tuiCtxIC: ");
818	DTRACE_CABAC_V( uiCtxIC );
819	DTRACE_CABAC_T( "\tuiSymbol: ");
820	DTRACE_CABAC_V( uiSymbol );
821	DTRACE_CABAC_T( "\n");
822	}
823	#endif
824
825	/** code merge flag
826	* \param pcCU
827	* \param uiAbsPartIdx
828	* \returns Void
829	*/
830	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
831	{
832	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
833	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
834
835	DTRACE_CABAC_VL( g_nSymbolCounter++ );
836	DTRACE_CABAC_T( "\tMergeFlag: " );
837	DTRACE_CABAC_V( uiSymbol );
838	DTRACE_CABAC_T( "\tAddress: " );
839	DTRACE_CABAC_V( pcCU->getAddr() );
840	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
841	DTRACE_CABAC_V( uiAbsPartIdx );
842	DTRACE_CABAC_T( "\n" );
843	}
844
845	/** code merge index
846	* \param pcCU
847	* \param uiAbsPartIdx
848	* \returns Void
849	*/
850	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
851	{
852	UInt uiNumCand = MRG_MAX_NUM_CANDS;
853	#if !MRG_IDX_CTX_RED
854	UInt auiCtx[4] = { 0, 1, 2, 3 };
855	#endif
856	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
857	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
858	#if HHI_MPI
859	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
860	if( bMVIAvailable )
861	{
862	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
863	if( bUseMVI )
864	{
865	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
866	}
867	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
868	{
869	uiUnaryIdx++;
870	}
871	}
872	#endif
873	if ( uiNumCand > 1 )
874	{
875	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
876	{
877	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
878	#if MRG_IDX_CTX_RED
879	if ( ui==0 )
880	{
881	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
882	}
883	else
884	{
885	m_pcBinIf->encodeBinEP( uiSymbol );
886	}
887	#else
888	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
889	#endif
890	if( uiSymbol == 0 )
891	{
892	break;
893	}
894	}
895	}
896	DTRACE_CABAC_VL( g_nSymbolCounter++ );
897	DTRACE_CABAC_T( "\tparseMergeIndex()" );
898	DTRACE_CABAC_T( "\tuiMRGIdx= " );
899	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
900	DTRACE_CABAC_T( "\n" );
901	}
902
903	#if HHI_INTER_VIEW_RESIDUAL_PRED
904	Void
905	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
906	{
907	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
908	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
909	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
910	}
911	#endif
912
913	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
914	{
915	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
916	return;
917
918	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
919	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
920
921	assert( uiCtx < 3 );
922
923	#if OL_QTLIMIT_PREDCODING_B0068
924	Bool bCodeSplitFlag = true;
925
926	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
927	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
928	Bool bDepthMapDetect = (pcTexture != NULL);
929	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
930
931	#if HHI_QTLPC_RAU_OFF_C0160
932	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
933	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
934	#else
935	if(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
936	#endif
937	{
938	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
939	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
940	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
941	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
942	}
943
944	if(!bCodeSplitFlag)
945	{
946	assert(uiCurrSplitFlag == 0);
947	return;
948	}
949	#endif
950
951	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
952	DTRACE_CABAC_VL( g_nSymbolCounter++ )
953	DTRACE_CABAC_T( "\tSplitFlag\n" )
954	return;
955	}
956
957	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
958	{
959	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
960	DTRACE_CABAC_VL( g_nSymbolCounter++ )
961	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
962	DTRACE_CABAC_T( "\tsymbol=" )
963	DTRACE_CABAC_V( uiSymbol )
964	DTRACE_CABAC_T( "\tctx=" )
965	DTRACE_CABAC_V( uiCtx )
966	DTRACE_CABAC_T( "\n" )
967	}
968
969	#if LGE_EDGE_INTRA_A0070
970	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
971	{
972	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
973	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
974	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
975	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
976	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
977	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
978	UInt uiSymbol;
979
980	// 1. Top(0) or Left(1)
981	uiSymbol = (bLeft == false) ? 0 : 1;
982	m_pcBinIf->encodeBinEP( uiSymbol );
983
984	// 2. Start position (lowest bit first)
985	uiSymbol = ucStart;
986	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
987	{
988	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
989	uiSymbol >>= 1;
990	}
991
992	// 3. Number of edges
993	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
994	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
995	{
996	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
997	uiSymbol >>= 1;
998	}
999
1000	if(uiSymbol != 0)
1001	{
1002	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
1003	assert(false);
1004	}
1005
1006	// 4. Edges
1007	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
1008	{
1009	UInt uiReorderSymbol = pucSymbolList[iPtr2];
1010
1011	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
1012
1013	// Left-friendly direction (Top start)
1014	// 0 ( 0deg) => 0
1015	// 1 ( 45deg) => 10
1016	// 2 ( -45deg) => 110
1017	// 3 ( 90deg) => 1110
1018	// 4 ( -90deg) => 11110
1019	// 5 ( 135deg) => 111110
1020	// 6 (-135deg) => 111111
1021	// Right-friendly direction (Left start)
1022	// 0 ( 0deg) => 0
1023	// 2 ( -45deg) => 10
1024	// 1 ( 45deg) => 110
1025	// 4 ( -90deg) => 1110
1026	// 3 ( 90deg) => 11110
1027	// 6 (-135deg) => 111110
1028	// 5 ( 135deg) => 111111
1029
1030	// refer to a paper "An efficient chain code with Huffman coding"
1031
1032	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
1033	{
1034	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1035	}
1036
1037	if( uiReorderSymbol != 6 )
1038	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1039	}
1040	}
1041	#endif
1042
1043	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
1044	{
1045	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
1046
1047	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1048	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
1049	{
1050	#if LGE_EDGE_INTRA_A0070
1051	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
1052	#else
1053	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
1054	#endif
1055	}
1056	#if LGE_EDGE_INTRA_A0070
1057	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
1058	#else
1059	if( uiDir >= NUM_INTRA_MODE )
1060	#endif
1061	{
1062	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
1063	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
1064
1065	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
1066	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1067	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1068
1069	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1070	{
1071	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
1072	}
1073	#else
1074	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1075
1076	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1077	{
1078	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1079	}
1080	#endif
1081	#if HHI_DMM_WEDGE_INTRA
1082	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
1083	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
1084	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
1085	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
1086	#endif
1087	#if HHI_DMM_PRED_TEX
1088
1089	#if FLEX_CODING_ORDER_M23723
1090	if ( !pcCU->getSlice()->getSPS()->getUseDMM34() )
1091	{
1092	assert( uiDir != DMM_WEDGE_PREDTEX_D_IDX );
1093	assert( uiDir != DMM_CONTOUR_PREDTEX_D_IDX );
1094	}
1095	#endif
1096
1097	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
1098	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
1099	#endif
1100	}
1101	else
1102	#if LGE_EDGE_INTRA_A0070
1103	if ( uiDir >= EDGE_INTRA_IDX)
1104	{
1105	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1106	m_pcBinIf->encodeBinsEP( 63, 6 );
1107	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
1108	#if LGE_EDGE_INTRA_DELTA_DC
1109	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1110	if( uiDir == EDGE_INTRA_DELTA_IDX )
1111	{
1112	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
1113	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
1114
1115	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1116	if ( iDeltaDC0 != 0 )
1117	{
1118	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
1119	m_pcBinIf->encodeBinEP( uiSign );
1120	}
1121	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1122	if ( iDeltaDC1 != 0 )
1123	{
1124	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1125	m_pcBinIf->encodeBinEP( uiSign );
1126	}
1127	}
1128	#endif
1129	}
1130	else
1131	#endif // LGE_EDGE_INTRA
1132	{
1133	#endif
1134	#if !LOGI_INTRA_NAME_3MPM
1135	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1136	#endif
1137	#if LGE_EDGE_INTRA_A0070
1138	Bool bCodeEdgeIntra = false;
1139	if( pcCU->getSlice()->getSPS()->isDepth() )
1140	{
1141	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1142	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1143	bCodeEdgeIntra = true;
1144	}
1145	#endif
1146
1147	#if LOGI_INTRA_NAME_3MPM
1148	Int uiPreds[3] = {-1, -1, -1};
1149	#else
1150	Int uiPreds[2] = {-1, -1};
1151	#endif
1152	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1153
1154	Int uiPredIdx = -1;
1155
1156	for(UInt i = 0; i < uiPredNum; i++)
1157	{
1158	if(uiDir == uiPreds[i])
1159	{
1160	uiPredIdx = i;
1161	}
1162	}
1163
1164	if(uiPredIdx != -1)
1165	{
1166	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1167	#if LOGI_INTRA_NAME_3MPM
1168	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1169	if (uiPredIdx)
1170	{
1171	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1172	}
1173	#else
1174	m_pcBinIf->encodeBinEP( uiPredIdx );
1175	#endif
1176	}
1177	else
1178	{
1179	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1180
1181	#if LOGI_INTRA_NAME_3MPM
1182	if (uiPreds[0] > uiPreds[1])
1183	{
1184	std::swap(uiPreds[0], uiPreds[1]);
1185	}
1186	if (uiPreds[0] > uiPreds[2])
1187	{
1188	std::swap(uiPreds[0], uiPreds[2]);
1189	}
1190	if (uiPreds[1] > uiPreds[2])
1191	{
1192	std::swap(uiPreds[1], uiPreds[2]);
1193	}
1194	#endif
1195
1196	for(Int i = (uiPredNum - 1); i >= 0; i--)
1197	{
1198	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1199	}
1200
1201	#if LOGI_INTRA_NAME_3MPM
1202	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1203	#if LGE_EDGE_INTRA_A0070
1204	if (bCodeEdgeIntra)
1205	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1206	#endif
1207	#else
1208	if ( uiDir < 31 )
1209	{
1210	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1211	}
1212	else
1213	{
1214	m_pcBinIf->encodeBinsEP( 31, 5 );
1215	m_pcBinIf->encodeBinEP( uiDir - 31 );
1216	}
1217	#endif
1218	}
1219	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1220	}
1221	#endif
1222	return;
1223	}
1224
1225	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1226	{
1227	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1228
1229	if( uiIntraDirChroma == DM_CHROMA_IDX )
1230	{
1231	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1232	}
1233	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1234	{
1235	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1236	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1237	}
1238	else
1239	{
1240	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1241	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1242
1243	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1244	{
1245	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1246	{
1247	uiIntraDirChroma = i;
1248	break;
1249	}
1250	}
1251	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1252
1253	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1254	{
1255	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1256	}
1257	#if CHROMA_MODE_CODING
1258	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1259	#else
1260	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1261	#endif
1262	}
1263	return;
1264	}
1265
1266	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1267	{
1268	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1269	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1270	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1271	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1272
1273	return;
1274	}
1275
1276	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1277	{
1278	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1279	{
1280	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1281
1282	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1283	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1284
1285	if( iRefFrame > 0 )
1286	{
1287	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1288	}
1289	}
1290	else
1291	{
1292	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1293	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1294	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1295
1296	if( iRefFrame > 0 )
1297	{
1298	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1299	}
1300	}
1301	return;
1302	}
1303
1304	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1305	{
1306	#if H0111_MVD_L1_ZERO
1307	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1308	{
1309	return;
1310	}
1311	#endif
1312
1313	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1314	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1315	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1316	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1317
1318	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1319	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1320
1321	const Bool bHorAbsGr0 = iHor != 0;
1322	const Bool bVerAbsGr0 = iVer != 0;
1323	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1324	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1325	pCtx++;
1326
1327	if( bHorAbsGr0 )
1328	{
1329	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1330	}
1331
1332	if( bVerAbsGr0 )
1333	{
1334	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1335	}
1336
1337	if( bHorAbsGr0 )
1338	{
1339	if( uiHorAbs > 1 )
1340	{
1341	xWriteEpExGolomb( uiHorAbs-2, 1 );
1342	}
1343
1344	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1345	}
1346
1347	if( bVerAbsGr0 )
1348	{
1349	if( uiVerAbs > 1 )
1350	{
1351	xWriteEpExGolomb( uiVerAbs-2, 1 );
1352	}
1353
1354	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1355	}
1356
1357	return;
1358	}
1359
1360	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1361	{
1362	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1363
1364	#if H0736_AVC_STYLE_QP_RANGE
1365	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1366	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1367	#else
1368	#if LOSSLESS_CODING
1369	if(pcCU->getSlice()->getSPS()->getUseLossless())
1370	{
1371	if(iDQp > 25)
1372	{
1373	iDQp = iDQp - 52;
1374	}
1375	if(iDQp < -26)
1376	{
1377	iDQp = iDQp + 52;
1378	}
1379	}
1380	#endif
1381	#endif
1382
1383	if ( iDQp == 0 )
1384	{
1385	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1386	}
1387	else
1388	{
1389	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1390
1391	UInt uiSign = (iDQp > 0 ? 0 : 1);
1392	#if !H0736_AVC_STYLE_QP_RANGE
1393	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1394	#endif
1395
1396	m_pcBinIf->encodeBinEP(uiSign);
1397
1398	#if H0736_AVC_STYLE_QP_RANGE
1399	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1400	assert(iDQp <= (25+(qpBdOffsetY/2)));
1401
1402	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1403	#else
1404	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1405	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1406
1407	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1408	#endif
1409	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1410	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1411	}
1412
1413	return;
1414	}
1415
1416	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1417	{
1418	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1419	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1420	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1421	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1422	DTRACE_CABAC_T( "\tparseQtCbf()" )
1423	DTRACE_CABAC_T( "\tsymbol=" )
1424	DTRACE_CABAC_V( uiCbf )
1425	DTRACE_CABAC_T( "\tctx=" )
1426	DTRACE_CABAC_V( uiCtx )
1427	DTRACE_CABAC_T( "\tetype=" )
1428	DTRACE_CABAC_V( eType )
1429	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1430	DTRACE_CABAC_V( uiAbsPartIdx )
1431	DTRACE_CABAC_T( "\n" )
1432	}
1433
1434	#if BURST_IPCM
1435	/** Code I_PCM information.
1436	* \param pcCU pointer to CU
1437	* \param uiAbsPartIdx CU index
1438	* \param numIPCM the number of succesive IPCM blocks with the same size
1439	* \param firstIPCMFlag
1440	* \returns Void
1441	*/
1442	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1443	#else
1444	/** Code I_PCM information.
1445	* \param pcCU pointer to CU
1446	* \param uiAbsPartIdx CU index
1447	* \returns Void
1448	*
1449	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1450	*/
1451	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1452	#endif
1453	{
1454	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1455
1456	#if BURST_IPCM
1457	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1458
1459	if( uiIPCM == 0 \|\| firstIPCMFlag)
1460	{
1461	m_pcBinIf->encodeBinTrm (uiIPCM);
1462
1463	if ( firstIPCMFlag )
1464	{
1465	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1466	m_pcBinIf->encodePCMAlignBits();
1467	}
1468	}
1469	#else
1470	m_pcBinIf->encodeBinTrm (uiIPCM);
1471	#endif
1472
1473	#if BURST_IPCM
1474	if (writePCMSampleFlag)
1475	#else
1476	if (uiIPCM)
1477	#endif
1478	{
1479	#if !BURST_IPCM
1480	m_pcBinIf->encodePCMAlignBits();
1481	#endif
1482	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1483	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1484	UInt uiChromaOffset = uiLumaOffset>>2;
1485	Pel* piPCMSample;
1486	UInt uiWidth;
1487	UInt uiHeight;
1488	UInt uiSampleBits;
1489	UInt uiX, uiY;
1490
1491	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1492	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1493	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1494	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1495
1496	for(uiY = 0; uiY < uiHeight; uiY++)
1497	{
1498	for(uiX = 0; uiX < uiWidth; uiX++)
1499	{
1500	UInt uiSample = piPCMSample[uiX];
1501
1502	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1503	}
1504	piPCMSample += uiWidth;
1505	}
1506
1507	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1508	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1509	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1510	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1511
1512	for(uiY = 0; uiY < uiHeight; uiY++)
1513	{
1514	for(uiX = 0; uiX < uiWidth; uiX++)
1515	{
1516	UInt uiSample = piPCMSample[uiX];
1517
1518	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1519	}
1520	piPCMSample += uiWidth;
1521	}
1522
1523	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1524	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1525	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1526	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1527
1528	for(uiY = 0; uiY < uiHeight; uiY++)
1529	{
1530	for(uiX = 0; uiX < uiWidth; uiX++)
1531	{
1532	UInt uiSample = piPCMSample[uiX];
1533
1534	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1535	}
1536	piPCMSample += uiWidth;
1537	}
1538	#if BURST_IPCM
1539	numIPCM--;
1540	if(numIPCM == 0)
1541	{
1542	m_pcBinIf->resetBac();
1543	}
1544	#else
1545	m_pcBinIf->resetBac();
1546	#endif
1547	}
1548	}
1549
1550	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1551	{
1552	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1553	UInt uiCtx = 0;
1554	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1555	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1556	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1557	DTRACE_CABAC_T( "\tsymbol=" )
1558	DTRACE_CABAC_V( uiCbf )
1559	DTRACE_CABAC_T( "\tctx=" )
1560	DTRACE_CABAC_V( uiCtx )
1561	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1562	DTRACE_CABAC_V( uiAbsPartIdx )
1563	DTRACE_CABAC_T( "\n" )
1564	}
1565
1566	/** Encode (X,Y) position of the last significant coefficient
1567	* \param uiPosX X component of last coefficient
1568	* \param uiPosY Y component of last coefficient
1569	* \param width Block width
1570	* \param height Block height
1571	* \param eTType plane type / luminance or chrominance
1572	* \param uiScanIdx scan type (zig-zag, hor, ver)
1573	* This method encodes the X and Y component within a block of the last significant coefficient.
1574	*/
1575	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1576	{
1577	// swap
1578	if( uiScanIdx == SCAN_VER )
1579	{
1580	swap( uiPosX, uiPosY );
1581	}
1582
1583	UInt uiCtxLast;
1584	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1585	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1586	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1587	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1588
1589	// posX
1590	#if LAST_CTX_REDUCTION
1591	Int widthCtx = eTType? 4: width;
1592	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1593	#else
1594	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1595	#endif
1596	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1597	{
1598	#if LAST_CTX_REDUCTION
1599	if (eTType)
1600	{
1601	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1602	}
1603	else
1604	{
1605	#endif
1606	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1607	#if LAST_CTX_REDUCTION
1608	}
1609	#endif
1610	}
1611	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1612	{
1613	#if LAST_CTX_REDUCTION
1614	if ( eTType )
1615	{
1616	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1617	}
1618	else
1619	{
1620	#endif
1621	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1622	#if LAST_CTX_REDUCTION
1623	}
1624	#endif
1625	}
1626
1627	// posY
1628	#if LAST_CTX_REDUCTION
1629	Int heightCtx = eTType? 4: height;
1630	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1631	#else
1632	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1633	#endif
1634	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1635	{
1636	#if LAST_CTX_REDUCTION
1637	if (eTType)
1638	{
1639	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1640	}
1641	else
1642	{
1643	#endif
1644	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1645	#if LAST_CTX_REDUCTION
1646	}
1647	#endif
1648	}
1649	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1650	{
1651	#if LAST_CTX_REDUCTION
1652	if (eTType)
1653	{
1654	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1655	}
1656	else
1657	{
1658	#endif
1659	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1660	#if LAST_CTX_REDUCTION
1661	}
1662	#endif
1663	}
1664	if ( uiGroupIdxX > 3 )
1665	{
1666	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1667	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1668	for (Int i = uiCount - 1 ; i >= 0; i-- )
1669	{
1670	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1671	}
1672	}
1673	if ( uiGroupIdxY > 3 )
1674	{
1675	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1676	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1677	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1678	{
1679	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1680	}
1681	}
1682	}
1683
1684	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1685	{
1686	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1687	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1688	DTRACE_CABAC_V( eTType )
1689	DTRACE_CABAC_T( "\twidth=" )
1690	DTRACE_CABAC_V( uiWidth )
1691	DTRACE_CABAC_T( "\theight=" )
1692	DTRACE_CABAC_V( uiHeight )
1693	DTRACE_CABAC_T( "\tdepth=" )
1694	DTRACE_CABAC_V( uiDepth )
1695	DTRACE_CABAC_T( "\tabspartidx=" )
1696	DTRACE_CABAC_V( uiAbsPartIdx )
1697	DTRACE_CABAC_T( "\ttoCU-X=" )
1698	DTRACE_CABAC_V( pcCU->getCUPelX() )
1699	DTRACE_CABAC_T( "\ttoCU-Y=" )
1700	DTRACE_CABAC_V( pcCU->getCUPelY() )
1701	DTRACE_CABAC_T( "\tCU-addr=" )
1702	DTRACE_CABAC_V( pcCU->getAddr() )
1703	DTRACE_CABAC_T( "\tinCU-X=" )
1704	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1705	DTRACE_CABAC_T( "\tinCU-Y=" )
1706	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1707	DTRACE_CABAC_T( "\tpredmode=" )
1708	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1709	DTRACE_CABAC_T( "\n" )
1710
1711	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1712	{
1713	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1714	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1715	}
1716
1717	UInt uiNumSig = 0;
1718
1719	// compute number of significant coefficients
1720	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1721
1722	if ( uiNumSig == 0 )
1723	return;
1724
1725	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1726
1727	//----- encode significance map -----
1728	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1729	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1730	if (uiScanIdx == SCAN_ZIGZAG)
1731	{
1732	// Map zigzag to diagonal scan
1733	uiScanIdx = SCAN_DIAG;
1734	}
1735	Int blockType = uiLog2BlockSize;
1736	if (uiWidth != uiHeight)
1737	{
1738	uiScanIdx = SCAN_DIAG;
1739	blockType = 4;
1740	}
1741
1742	const UInt * scan;
1743	if (uiWidth == uiHeight)
1744	{
1745	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1746	}
1747	else
1748	{
1749	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1750	}
1751
1752	#if MULTIBITS_DATA_HIDING
1753	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1754	#if LOSSLESS_CODING
1755	Bool beValid;
1756	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1757	{
1758	beValid = false;
1759	}
1760	else
1761	{
1762	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1763	}
1764	#else
1765	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1766	#endif
1767	#endif
1768
1769	// Find position of last coefficient
1770	Int scanPosLast = -1;
1771	Int posLast;
1772
1773	const UInt * scanCG;
1774	if (uiWidth == uiHeight)
1775	{
1776	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1777	#if MULTILEVEL_SIGMAP_EXT
1778	if( uiLog2BlockSize == 3 )
1779	{
1780	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1781	}
1782	else if( uiLog2BlockSize == 5 )
1783	{
1784	scanCG = g_sigLastScanCG32x32;
1785	}
1786	#endif
1787	}
1788	else
1789	{
1790	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1791	}
1792	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1793	static const UInt uiShift = MLS_CG_SIZE >> 1;
1794	const UInt uiNumBlkSide = uiWidth >> uiShift;
1795
1796	#if !MULTILEVEL_SIGMAP_EXT
1797	if( blockType > 3 )
1798	{
1799	#endif
1800	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1801
1802	do
1803	{
1804	posLast = scan[ ++scanPosLast ];
1805
1806	// get L1 sig map
1807	UInt uiPosY = posLast >> uiLog2BlockSize;
1808	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1809	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1810	#if MULTILEVEL_SIGMAP_EXT
1811	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1812	{
1813	if( uiScanIdx == SCAN_HOR )
1814	{
1815	uiBlkIdx = uiPosY >> 1;
1816	}
1817	else if( uiScanIdx == SCAN_VER )
1818	{
1819	uiBlkIdx = uiPosX >> 1;
1820	}
1821	}
1822	#endif
1823	if( pcCoef[ posLast ] )
1824	{
1825	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1826	}
1827
1828	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1829	}
1830	while ( uiNumSig > 0 );
1831	#if !MULTILEVEL_SIGMAP_EXT
1832	}
1833	else
1834	{
1835
1836	do
1837	{
1838	posLast = scan[ ++scanPosLast ];
1839	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1840	}
1841	while ( uiNumSig > 0 );
1842
1843	}
1844	#endif
1845
1846	// Code position of last coefficient
1847	Int posLastY = posLast >> uiLog2BlockSize;
1848	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1849	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1850
1851	//===== code significance flag =====
1852	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1853	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1854
1855
1856	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1857	UInt uiNumOne = 0;
1858	UInt uiGoRiceParam = 0;
1859	Int iScanPosSig = scanPosLast;
1860
1861	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1862	{
1863	Int numNonZero = 0;
1864	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1865	uiGoRiceParam = 0;
1866	Int absCoeff[16];
1867	UInt coeffSigns = 0;
1868
1869	#if MULTIBITS_DATA_HIDING
1870	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1871	#endif
1872
1873	if( iScanPosSig == scanPosLast )
1874	{
1875	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1876	coeffSigns = ( pcCoef[ posLast ] < 0 );
1877	numNonZero = 1;
1878	#if MULTIBITS_DATA_HIDING
1879	lastNZPosInCG = iScanPosSig;
1880	firstNZPosInCG = iScanPosSig;
1881	#endif
1882	iScanPosSig--;
1883	}
1884
1885	#if !MULTILEVEL_SIGMAP_EXT
1886	if( blockType > 3 )
1887	{
1888	#endif
1889	// encode significant_coeffgroup_flag
1890	Int iCGBlkPos = scanCG[ iSubSet ];
1891	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1892	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1893	#if MULTILEVEL_SIGMAP_EXT
1894	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1895	{
1896	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1897	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1898	}
1899	#endif
1900	#if !REMOVE_INFER_SIGGRP
1901	Bool bInferredCGFlag = false;
1902	#endif
1903	#if REMOVE_INFER_SIGGRP
1904	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1905	#else
1906	if( iSubSet == iLastScanSet )
1907	#endif
1908	{
1909	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1910	}
1911	else
1912	{
1913	#if !REMOVE_INFER_SIGGRP
1914	#if MULTILEVEL_SIGMAP_EXT
1915	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1916	#else
1917	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1918	#endif
1919	{
1920	#endif
1921	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1922	#if MULTILEVEL_SIGMAP_EXT
1923	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1924	#else
1925	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1926	#endif
1927	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1928	#if !REMOVE_INFER_SIGGRP
1929	}
1930	else
1931	{
1932	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1933	bInferredCGFlag = true;
1934	}
1935	#endif
1936	}
1937
1938	// encode significant_coeff_flag
1939	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1940	{
1941	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1942	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1943	{
1944	uiBlkPos = scan[ iScanPosSig ];
1945	uiPosY = uiBlkPos >> uiLog2BlockSize;
1946	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1947	uiSig = (pcCoef[ uiBlkPos ] != 0);
1948	#if REMOVE_INFER_SIGGRP
1949	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1950	#else
1951	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1952	#endif
1953	{
1954	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1955	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1956	}
1957	if( uiSig )
1958	{
1959	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1960	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1961	numNonZero++;
1962	#if MULTIBITS_DATA_HIDING
1963	if( lastNZPosInCG == -1 )
1964	{
1965	lastNZPosInCG = iScanPosSig;
1966	}
1967	firstNZPosInCG = iScanPosSig;
1968	#endif
1969	}
1970	}
1971	}
1972	else
1973	{
1974	iScanPosSig = iSubPos - 1;
1975	}
1976	#if !MULTILEVEL_SIGMAP_EXT
1977	}
1978	else
1979	{
1980
1981	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1982	{
1983	UInt uiBlkPos = scan[ iScanPosSig ];
1984	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1985	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1986	UInt uiSig = 0;
1987	if( pcCoef[ uiBlkPos ] != 0 )
1988	{
1989	uiSig = 1;
1990	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1991	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1992	numNonZero++;
1993	#if MULTIBITS_DATA_HIDING
1994	if( lastNZPosInCG == -1 )
1995	{
1996	lastNZPosInCG = iScanPosSig;
1997	}
1998	firstNZPosInCG = iScanPosSig;
1999	#endif
2000	}
2001	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
2002	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
2003	}
2004
2005	}
2006	#endif
2007
2008	if( numNonZero > 0 )
2009	{
2010	#if MULTIBITS_DATA_HIDING
2011	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
2012	#endif // MULTIBITS_DATA_HIDING
2013
2014	UInt c1 = 1;
2015	#if !RESTRICT_GR1GR2FLAG_NUMBER
2016	UInt c2 = 0;
2017	#endif
2018	#if LEVEL_CTX_LUMA_RED
2019	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
2020	#else
2021	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
2022	#endif
2023
2024	if( uiNumOne > 0 )
2025	{
2026	uiCtxSet++;
2027	#if !LEVEL_CTX_LUMA_RED
2028	if( uiNumOne > 3 && eTType==TEXT_LUMA)
2029	{
2030	uiCtxSet++;
2031	}
2032	#endif
2033	}
2034
2035	uiNumOne >>= 1;
2036	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
2037
2038	#if RESTRICT_GR1GR2FLAG_NUMBER
2039	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2040	Int firstC2FlagIdx = -1;
2041	for( Int idx = 0; idx < numC1Flag; idx++ )
2042	#else
2043	for ( Int idx = 0; idx < numNonZero; idx++ )
2044	#endif
2045	{
2046	UInt uiSymbol = absCoeff[ idx ] > 1;
2047	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2048	if( uiSymbol )
2049	{
2050	c1 = 0;
2051
2052	#if RESTRICT_GR1GR2FLAG_NUMBER
2053	if (firstC2FlagIdx == -1)
2054	{
2055	firstC2FlagIdx = idx;
2056	}
2057	#endif
2058	}
2059	else if( (c1 < 3) && (c1 > 0) )
2060	{
2061	c1++;
2062	}
2063	}
2064
2065	if (c1 == 0)
2066	{
2067
2068	#if RESTRICT_GR1GR2FLAG_NUMBER
2069	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
2070	if ( firstC2FlagIdx != -1)
2071	{
2072	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2073	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2074	}
2075	#else
2076	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
2077	for ( Int idx = 0; idx < numNonZero; idx++ )
2078	{
2079	if( absCoeff[ idx ] > 1 )
2080	{
2081	UInt symbol = absCoeff[ idx ] > 2;
2082	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
2083	c2 += (c2 < 2);
2084	uiNumOne++;
2085	}
2086	}
2087	#endif
2088	}
2089
2090	#if MULTIBITS_DATA_HIDING
2091	if( beValid && signHidden )
2092	{
2093	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2094	}
2095	else
2096	{
2097	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2098	}
2099	#else
2100	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2101	#endif
2102
2103	#if RESTRICT_GR1GR2FLAG_NUMBER
2104	Int iFirstCoeff2 = 1;
2105	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
2106	#else
2107	if (c1 == 0)
2108	#endif
2109	{
2110	for ( Int idx = 0; idx < numNonZero; idx++ )
2111	{
2112	#if RESTRICT_GR1GR2FLAG_NUMBER
2113	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2114
2115	if( absCoeff[ idx ] >= baseLevel)
2116	{
2117	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
2118	}
2119	if(absCoeff[ idx ] >= 2)
2120	{
2121	iFirstCoeff2 = 0;
2122	uiNumOne++;
2123	}
2124	#else
2125	if ( absCoeff[ idx ] > 2 )
2126	{
2127	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2128	}
2129	#endif
2130	}
2131	}
2132	}
2133	else
2134	{
2135	uiNumOne >>= 1;
2136	}
2137	}
2138
2139	return;
2140	}
2141
2142	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2143	{
2144	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2145	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2146	}
2147
2148	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2149	{
2150	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2151	}
2152
2153	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2154	{
2155	Int i;
2156
2157	if ( uiCode == 0 )
2158	{
2159	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2160	}
2161	else
2162	{
2163	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2164	for ( i=0; i<uiCode-1; i++ )
2165	{
2166	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2167	}
2168	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2169	}
2170	}
2171
2172	Void TEncSbac::codeAlfSvlc ( Int iCode )
2173	{
2174	Int i;
2175
2176	if ( iCode == 0 )
2177	{
2178	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2179	}
2180	else
2181	{
2182	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2183
2184	// write sign
2185	if ( iCode > 0 )
2186	{
2187	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2188	}
2189	else
2190	{
2191	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2192	iCode = -iCode;
2193	}
2194
2195	// write magnitude
2196	for ( i=0; i<iCode-1; i++ )
2197	{
2198	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2199	}
2200	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2201	}
2202	}
2203
2204	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2205	{
2206	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2207	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2208	}
2209
2210	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2211	{
2212	Int i;
2213
2214	if ( uiCode == 0 )
2215	{
2216	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2217	}
2218	else
2219	{
2220	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2221	for ( i=0; i<uiCode-1; i++ )
2222	{
2223	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2224	}
2225	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2226	}
2227	}
2228
2229	Void TEncSbac::codeSaoSvlc ( Int iCode )
2230	{
2231	Int i;
2232
2233	if ( iCode == 0 )
2234	{
2235	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2236	}
2237	else
2238	{
2239	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2240
2241	// write sign
2242	if ( iCode > 0 )
2243	{
2244	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2245	}
2246	else
2247	{
2248	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2249	iCode = -iCode;
2250	}
2251
2252	// write magnitude
2253	for ( i=0; i<iCode-1; i++ )
2254	{
2255	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2256	}
2257	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2258	}
2259	}
2260	#if SAO_UNIT_INTERLEAVING
2261	/** Code SAO band position
2262	* \param uiCode
2263	*/
2264	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2265	{
2266	for (Int i=0;i<5;i++)
2267	{
2268	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2269	}
2270	}
2271	/** Code SAO merge left flag
2272	* \param uiCode
2273	* \param uiCompIdx
2274	*/
2275	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2276	{
2277	if (uiCode == 0)
2278	{
2279	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2280	}
2281	else
2282	{
2283	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2284	}
2285	}
2286	/** Code SAO merge up flag
2287	* \param uiCode
2288	*/
2289	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2290	{
2291	if (uiCode == 0)
2292	{
2293	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2294	}
2295	else
2296	{
2297	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2298	}
2299	}
2300	/** Code SAO type index
2301	* \param uiCode
2302	*/
2303	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2304	{
2305	Int i;
2306	if ( uiCode == 0 )
2307	{
2308	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2309	}
2310	else
2311	{
2312	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2313	for ( i=0; i<uiCode-1; i++ )
2314	{
2315	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2316	}
2317	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2318	}
2319	}
2320	#endif
2321	/*!
2322	****************************************************************************
2323	* \brief
2324	* estimate bit cost for CBP, significant map and significant coefficients
2325	****************************************************************************
2326	*/
2327	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2328	{
2329	estCBFBit( pcEstBitsSbac, 0, eTType );
2330
2331	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2332
2333	// encode significance map
2334	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2335
2336	// encode significant coefficients
2337	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2338	}
2339
2340	/*!
2341	****************************************************************************
2342	* \brief
2343	* estimate bit cost for each CBP bit
2344	****************************************************************************
2345	*/
2346	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2347	{
2348	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2349
2350	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2351	{
2352	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2353	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2354	}
2355
2356	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2357
2358	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2359	{
2360	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2361	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2362	}
2363	}
2364
2365
2366	/*!
2367	****************************************************************************
2368	* \brief
2369	* estimate SAMBAC bit cost for significant coefficient group map
2370	****************************************************************************
2371	*/
2372	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2373	{
2374	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2375
2376	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2377	{
2378	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2379	{
2380	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2381	}
2382	}
2383	}
2384
2385
2386	/*!
2387	****************************************************************************
2388	* \brief
2389	* estimate SAMBAC bit cost for significant coefficient map
2390	****************************************************************************
2391	*/
2392	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2393	{
2394	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2395	if (std::max(width, height) >= 16)
2396	{
2397	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2398	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2399	}
2400	else if (width == 8)
2401	{
2402	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2403	numCtx = 11;
2404	}
2405
2406	if (eTType == TEXT_LUMA )
2407	{
2408	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2409	{
2410	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2411	{
2412	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2413	}
2414	}
2415	}
2416	else
2417	{
2418	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2419	{
2420	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2421	{
2422	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2423	}
2424	}
2425	}
2426	Int iBitsX = 0, iBitsY = 0;
2427	const UInt *puiCtxIdx;
2428	Int ctx;
2429	#if LAST_CTX_REDUCTION
2430	Int widthCtx = eTType? 4 : width;
2431	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2432	#else
2433	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2434	#endif
2435	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2436	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2437	{
2438	Int ctxOffset = puiCtxIdx[ ctx ];
2439	#if LAST_CTX_REDUCTION
2440	if (eTType)
2441	{
2442	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2443	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2444	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2445	}
2446	else
2447	{
2448	#endif
2449	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2450	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2451	#if LAST_CTX_REDUCTION
2452	}
2453	#endif
2454	}
2455	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2456
2457	#if LAST_CTX_REDUCTION
2458	Int heightCtx = eTType? 4 : height;
2459	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2460	#else
2461	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2462	#endif
2463	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2464	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2465	{
2466	Int ctxOffset = puiCtxIdx[ ctx ];
2467	#if LAST_CTX_REDUCTION
2468	if (eTType)
2469	{
2470	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2471	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2472	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2473	}
2474	else
2475	{
2476	#endif
2477	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2478	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2479	#if LAST_CTX_REDUCTION
2480	}
2481	#endif
2482	}
2483	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2484	}
2485
2486	/*!
2487	****************************************************************************
2488	* \brief
2489	* estimate bit cost of significant coefficient
2490	****************************************************************************
2491	*/
2492	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2493	{
2494	if (eTType==TEXT_LUMA)
2495	{
2496	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2497	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2498
2499	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2500	{
2501	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2502	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2503	}
2504
2505	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2506	{
2507	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2508	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2509	}
2510	}
2511	else
2512	{
2513	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2514	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2515
2516	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2517	{
2518	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2519	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2520	}
2521
2522	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2523	{
2524	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2525	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2526	}
2527	}
2528	}
2529
2530	/**
2531	- Initialize our context information from the nominated source.
2532	.
2533	\param pSrc From where to copy context information.
2534	*/
2535	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2536	{
2537	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2538	}
2539
2540	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2541	{
2542	this->xCopyContextsFrom(pScr);
2543	}
2544
2545	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA_A0070 && LGE_EDGE_INTRA_DELTA_DC)
2546	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2547	{
2548	if( uiSymbol )
2549	{
2550	m_pcBinIf->encodeBin( 1, rcSCModel );
2551	UInt uiCount = 0;
2552	Bool bNoExGo = (uiSymbol < 13);
2553
2554	while( --uiSymbol && ++uiCount < 13 )
2555	{
2556	m_pcBinIf->encodeBin( 1, rcSCModel );
2557	}
2558	if( bNoExGo )
2559	{
2560	m_pcBinIf->encodeBin( 0, rcSCModel );
2561	}
2562	else
2563	{
2564	xWriteEpExGolomb( uiSymbol, 0 );
2565	}
2566	}
2567	else
2568	{
2569	m_pcBinIf->encodeBin( 0, rcSCModel );
2570	}
2571
2572	return;
2573	}
2574	#endif
2575	#if HHI_DMM_WEDGE_INTRA
2576	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2577	{
2578	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2579	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2580
2581	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2582
2583	for ( Int i = 0; i < iBits; i++ )
2584	{
2585	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2586	}
2587	}
2588
2589	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2590	{
2591	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2592	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2593
2594	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2595
2596	for ( Int i = 0; i < iBits; i++ )
2597	{
2598	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2599	}
2600
2601	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2602	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2603
2604	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2605	if ( iDeltaDC1 != 0 )
2606	{
2607	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2608	m_pcBinIf->encodeBinEP( uiSign );
2609	}
2610	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2611	if ( iDeltaDC2 != 0 )
2612	{
2613	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2614	m_pcBinIf->encodeBinEP( uiSign );
2615	}
2616	}
2617
2618	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2619	{
2620	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2621	{
2622	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2623	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2624
2625	if( iDeltaEnd != 0 )
2626	{
2627	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2628	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2629	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2630
2631	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2632	m_pcBinIf->encodeBinEP( uiSign );
2633	}
2634	}
2635	}
2636
2637	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2638	{
2639	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2640	{
2641	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2642	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2643
2644	if( iDeltaEnd != 0 )
2645	{
2646	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2647	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2648	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2649
2650	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2651	m_pcBinIf->encodeBinEP( uiSign );
2652	}
2653	}
2654
2655	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2656	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2657
2658	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2659	if ( iDeltaDC1 != 0 )
2660	{
2661	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2662	m_pcBinIf->encodeBinEP( uiSign );
2663	}
2664	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2665	if ( iDeltaDC2 != 0 )
2666	{
2667	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2668	m_pcBinIf->encodeBinEP( uiSign );
2669	}
2670	}
2671	#endif
2672	#if HHI_DMM_PRED_TEX
2673	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2674	{
2675	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2676	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2677
2678	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2679	if ( iDeltaDC1 != 0 )
2680	{
2681	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2682	m_pcBinIf->encodeBinEP( uiSign );
2683	}
2684	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2685	if ( iDeltaDC2 != 0 )
2686	{
2687	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2688	m_pcBinIf->encodeBinEP( uiSign );
2689	}
2690	}
2691
2692	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2693	{
2694	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2695	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2696
2697	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2698	if ( iDeltaDC1 != 0 )
2699	{
2700	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2701	m_pcBinIf->encodeBinEP( uiSign );
2702	}
2703	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2704	if ( iDeltaDC2 != 0 )
2705	{
2706	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2707	m_pcBinIf->encodeBinEP( uiSign );
2708	}
2709	}
2710	#endif
2711
2712	#if RWTH_SDC_DLT_B0036
2713	Void TEncSbac::codeSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
2714	{
2715	assert( pcCU->getSlice()->getSPS()->isDepth() );
2716	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2717	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2718
2719	UInt uiPredMode = pcCU->getLumaIntraDir(uiAbsPartIdx);
2720	UInt uiCtx = 0;
2721
2722	UInt uiMPModeIdx = 0;
2723
2724	for(Int i=0; i<RWTH_SDC_NUM_PRED_MODES-1; i++)
2725	{
2726	UInt uiBit = (uiPredMode == g_auiSDCPredModes[uiMPModeIdx]) ? 1 : 0;
2727	m_pcBinIf->encodeBin( uiBit, m_cSDCPredModeSCModel.get( 0, i, uiCtx ) );
2728
2729	// if mode is most probable mode, we are done here
2730	if ( uiBit == 1 )
2731	break;
2732
2733	// else: get next most probable pred mode
2734	uiMPModeIdx = (uiMPModeIdx+1)%RWTH_SDC_NUM_PRED_MODES;
2735	}
2736
2737	#if HHI_DMM_WEDGE_INTRA
2738	if( uiPredMode == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
2739	if( uiPredMode == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
2740	#endif
2741
2742	AOF(uiPredMode == g_auiSDCPredModes[uiMPModeIdx]);
2743	}
2744
2745	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2746	{
2747	// get context function is here
2748	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2749	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2750	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2751
2752	}
2753
2754	Void TEncSbac::codeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2755	{
2756	assert( pcCU->getSlice()->getSPS()->isDepth() );
2757	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2758	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2759	assert( uiSegment < 2 );
2760
2761	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
2762
2763	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
2764	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2765	UInt uiAbsIdx = abs(segmentDCOffset);
2766	UInt uiBit = 0;
2767
2768	UInt uiMaxResidualBits = GetBitsPerDepthValue();
2769	assert( uiMaxResidualBits <= g_uiBitDepth );
2770
2771	// residual flag
2772	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2773
2774	if (uiResidual)
2775	{
2776	// encode sign bit of residual
2777	m_pcBinIf->encodeBin( uiSign, m_cSDCResidualSignFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2778
2779	assert(uiAbsIdx < GetNumDepthValues());
2780
2781	// encode residual magnitude
2782	uiAbsIdx -= 1;
2783	for (Int i=0; i<uiMaxResidualBits; i++)
2784	{
2785	uiBit = (uiAbsIdx & (1<<i))>>i;
2786
2787	m_pcBinIf->encodeBin( uiBit, m_cSDCResidualSCModel.get( 0, uiSegment, i ) ); //TODO depthmap: more sophisticated context selection
2788	}
2789
2790	}
2791	}
2792	#endif
2793	//! \}

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source: 3DVCSoftware/branches/HTM-5.1-dev1-HHI/source/Lib/TLibEncoder/TEncSbac.cpp

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