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TEncSbac.cpp @ 441

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Last change on this file since 441 was 231, checked in by mitsubishi-htm, 12 years ago
-Integration of JCT3V-C0152 & JCT3V-C0131 -This check-in enable C0131 only
Property svn:eol-style set to `native`
File size: 90.4 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(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
628	{
629	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
630	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
631	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
632	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) != SIZE_NxN)
633	{
634	assert( eSize == SIZE_2Nx2N );
635	return;
636	}
637	}
638	#endif
639
640	if ( pcCU->isIntra( uiAbsPartIdx ) )
641	{
642	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
643	{
644	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
645	}
646	return;
647	}
648
649	switch(eSize)
650	{
651	case SIZE_2Nx2N:
652	{
653	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
654	break;
655	}
656	case SIZE_2NxN:
657	case SIZE_2NxnU:
658	case SIZE_2NxnD:
659	{
660	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
661	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
662	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
663	{
664	if (eSize == SIZE_2NxN)
665	{
666	#if AMP_CTX
667	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
668	#else
669	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
670	#endif
671	}
672	else
673	{
674	#if AMP_CTX
675	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
676	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
677	#else
678	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
679	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
680	#endif
681	}
682	}
683	break;
684	}
685	case SIZE_Nx2N:
686	case SIZE_nLx2N:
687	case SIZE_nRx2N:
688	{
689	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
690	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
691	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
692	{
693	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
694	}
695	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
696	{
697	if (eSize == SIZE_Nx2N)
698	{
699	#if AMP_CTX
700	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
701	#else
702	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
703	#endif
704	}
705	else
706	{
707	#if AMP_CTX
708	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
709	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
710	#else
711	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
712	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
713	#endif
714	}
715	}
716	break;
717	}
718	case SIZE_NxN:
719	{
720	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
721	{
722	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
723	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
724	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
725	}
726	break;
727	}
728	default:
729	{
730	assert(0);
731	}
732	}
733	}
734
735	/** code prediction mode
736	* \param pcCU
737	* \param uiAbsPartIdx
738	* \returns Void
739	*/
740	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
741	{
742	#if RWTH_SDC_DLT_B0036
743	if ( pcCU->getSlice()->isIntra() )
744	{
745	assert( pcCU->isIntra(uiAbsPartIdx) );
746	return;
747	}
748	#endif
749
750	// get context function is here
751	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
752	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
753	}
754
755	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
756	{
757	if (!m_bAlfCtrl)
758	return;
759
760	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
761	{
762	return;
763	}
764
765	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
766	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
767	}
768
769	Void TEncSbac::codeAlfCtrlDepth()
770	{
771	if (!m_bAlfCtrl)
772	return;
773
774	UInt uiDepth = m_uiMaxAlfCtrlDepth;
775	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
776	}
777
778	/** code skip flag
779	* \param pcCU
780	* \param uiAbsPartIdx
781	* \returns Void
782	*/
783	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
784	{
785	// get context function is here
786	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
787	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
788	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
789	DTRACE_CABAC_VL( g_nSymbolCounter++ );
790	DTRACE_CABAC_T( "\tSkipFlag" );
791	DTRACE_CABAC_T( "\tuiCtxSkip: ");
792	DTRACE_CABAC_V( uiCtxSkip );
793	DTRACE_CABAC_T( "\tuiSymbol: ");
794	DTRACE_CABAC_V( uiSymbol );
795	DTRACE_CABAC_T( "\n");
796	}
797
798	#if LGE_ILLUCOMP_B0045
799	/** code Illumination Compensation flag
800	* \param pcCU
801	* \param uiAbsPartIdx
802	* \returns Void
803	*/
804	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
805	{
806	// get context function is here
807	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
808	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
809	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
810	DTRACE_CABAC_VL( g_nSymbolCounter++ );
811	DTRACE_CABAC_T( "\tICFlag" );
812	DTRACE_CABAC_T( "\tuiCtxIC: ");
813	DTRACE_CABAC_V( uiCtxIC );
814	DTRACE_CABAC_T( "\tuiSymbol: ");
815	DTRACE_CABAC_V( uiSymbol );
816	DTRACE_CABAC_T( "\n");
817	}
818	#endif
819
820	/** code merge flag
821	* \param pcCU
822	* \param uiAbsPartIdx
823	* \returns Void
824	*/
825	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
826	{
827	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
828	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
829
830	DTRACE_CABAC_VL( g_nSymbolCounter++ );
831	DTRACE_CABAC_T( "\tMergeFlag: " );
832	DTRACE_CABAC_V( uiSymbol );
833	DTRACE_CABAC_T( "\tAddress: " );
834	DTRACE_CABAC_V( pcCU->getAddr() );
835	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
836	DTRACE_CABAC_V( uiAbsPartIdx );
837	DTRACE_CABAC_T( "\n" );
838	}
839
840	/** code merge index
841	* \param pcCU
842	* \param uiAbsPartIdx
843	* \returns Void
844	*/
845	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
846	{
847	UInt uiNumCand = MRG_MAX_NUM_CANDS;
848	#if !MRG_IDX_CTX_RED
849	UInt auiCtx[4] = { 0, 1, 2, 3 };
850	#endif
851	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
852	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
853	#if HHI_MPI
854	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
855	if( bMVIAvailable )
856	{
857	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
858	if( bUseMVI )
859	{
860	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
861	}
862	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
863	{
864	uiUnaryIdx++;
865	}
866	}
867	#endif
868	if ( uiNumCand > 1 )
869	{
870	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
871	{
872	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
873	#if MRG_IDX_CTX_RED
874	if ( ui==0 )
875	{
876	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
877	}
878	else
879	{
880	m_pcBinIf->encodeBinEP( uiSymbol );
881	}
882	#else
883	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
884	#endif
885	if( uiSymbol == 0 )
886	{
887	break;
888	}
889	}
890	}
891	DTRACE_CABAC_VL( g_nSymbolCounter++ );
892	DTRACE_CABAC_T( "\tparseMergeIndex()" );
893	DTRACE_CABAC_T( "\tuiMRGIdx= " );
894	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
895	DTRACE_CABAC_T( "\n" );
896	}
897
898	#if HHI_INTER_VIEW_RESIDUAL_PRED
899	Void
900	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
901	{
902	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
903	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
904	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
905	}
906	#endif
907
908	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
909	{
910	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
911	return;
912
913	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
914	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
915
916	assert( uiCtx < 3 );
917
918	#if OL_QTLIMIT_PREDCODING_B0068
919	Bool bCodeSplitFlag = true;
920
921	TComSPS *sps = pcCU->getPic()->getSlice(0)->getSPS();
922	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
923	Bool bDepthMapDetect = (pcTexture != NULL);
924	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
925
926	if(bDepthMapDetect && !bIntraSliceDetect && sps->getUseQTLPC() && pcCU->getPic()->getReduceBitsFlag())
927	{
928	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
929	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
930	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
931	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
932	}
933
934	if(!bCodeSplitFlag)
935	{
936	assert(uiCurrSplitFlag == 0);
937	return;
938	}
939	#endif
940
941	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
942	DTRACE_CABAC_VL( g_nSymbolCounter++ )
943	DTRACE_CABAC_T( "\tSplitFlag\n" )
944	return;
945	}
946
947	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
948	{
949	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
950	DTRACE_CABAC_VL( g_nSymbolCounter++ )
951	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
952	DTRACE_CABAC_T( "\tsymbol=" )
953	DTRACE_CABAC_V( uiSymbol )
954	DTRACE_CABAC_T( "\tctx=" )
955	DTRACE_CABAC_V( uiCtx )
956	DTRACE_CABAC_T( "\n" )
957	}
958
959	#if LGE_EDGE_INTRA_A0070
960	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
961	{
962	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
963	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
964	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
965	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
966	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
967	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
968	UInt uiSymbol;
969
970	// 1. Top(0) or Left(1)
971	uiSymbol = (bLeft == false) ? 0 : 1;
972	m_pcBinIf->encodeBinEP( uiSymbol );
973
974	// 2. Start position (lowest bit first)
975	uiSymbol = ucStart;
976	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
977	{
978	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
979	uiSymbol >>= 1;
980	}
981
982	// 3. Number of edges
983	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
984	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
985	{
986	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
987	uiSymbol >>= 1;
988	}
989
990	if(uiSymbol != 0)
991	{
992	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
993	assert(false);
994	}
995
996	// 4. Edges
997	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
998	{
999	UInt uiReorderSymbol = pucSymbolList[iPtr2];
1000
1001	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
1002
1003	// Left-friendly direction (Top start)
1004	// 0 ( 0deg) => 0
1005	// 1 ( 45deg) => 10
1006	// 2 ( -45deg) => 110
1007	// 3 ( 90deg) => 1110
1008	// 4 ( -90deg) => 11110
1009	// 5 ( 135deg) => 111110
1010	// 6 (-135deg) => 111111
1011	// Right-friendly direction (Left start)
1012	// 0 ( 0deg) => 0
1013	// 2 ( -45deg) => 10
1014	// 1 ( 45deg) => 110
1015	// 4 ( -90deg) => 1110
1016	// 3 ( 90deg) => 11110
1017	// 6 (-135deg) => 111110
1018	// 5 ( 135deg) => 111111
1019
1020	// refer to a paper "An efficient chain code with Huffman coding"
1021
1022	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
1023	{
1024	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1025	}
1026
1027	if( uiReorderSymbol != 6 )
1028	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1029	}
1030	}
1031	#endif
1032
1033	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
1034	{
1035	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
1036
1037	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1038	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
1039	{
1040	#if LGE_EDGE_INTRA_A0070
1041	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
1042	#else
1043	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
1044	#endif
1045	}
1046	#if LGE_EDGE_INTRA_A0070
1047	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
1048	#else
1049	if( uiDir >= NUM_INTRA_MODE )
1050	#endif
1051	{
1052	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
1053	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
1054
1055	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
1056	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1057	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1058
1059	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1060	{
1061	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
1062	}
1063	#else
1064	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1065
1066	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1067	{
1068	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1069	}
1070	#endif
1071	#if HHI_DMM_WEDGE_INTRA
1072	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
1073	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
1074	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
1075	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
1076	#endif
1077	#if HHI_DMM_PRED_TEX
1078
1079	#if FLEX_CODING_ORDER_M23723
1080	if ( !pcCU->getSlice()->getSPS()->getUseDMM34() )
1081	{
1082	assert( uiDir != DMM_WEDGE_PREDTEX_D_IDX );
1083	assert( uiDir != DMM_CONTOUR_PREDTEX_D_IDX );
1084	}
1085	#endif
1086
1087	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
1088	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
1089	#endif
1090	}
1091	else
1092	#if LGE_EDGE_INTRA_A0070
1093	if ( uiDir >= EDGE_INTRA_IDX)
1094	{
1095	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1096	m_pcBinIf->encodeBinsEP( 63, 6 );
1097	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
1098	#if LGE_EDGE_INTRA_DELTA_DC
1099	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1100	if( uiDir == EDGE_INTRA_DELTA_IDX )
1101	{
1102	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
1103	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
1104
1105	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1106	if ( iDeltaDC0 != 0 )
1107	{
1108	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
1109	m_pcBinIf->encodeBinEP( uiSign );
1110	}
1111	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1112	if ( iDeltaDC1 != 0 )
1113	{
1114	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1115	m_pcBinIf->encodeBinEP( uiSign );
1116	}
1117	}
1118	#endif
1119	}
1120	else
1121	#endif // LGE_EDGE_INTRA
1122	{
1123	#endif
1124	#if !LOGI_INTRA_NAME_3MPM
1125	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1126	#endif
1127	#if LGE_EDGE_INTRA_A0070
1128	Bool bCodeEdgeIntra = false;
1129	if( pcCU->getSlice()->getSPS()->isDepth() )
1130	{
1131	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1132	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1133	bCodeEdgeIntra = true;
1134	}
1135	#endif
1136
1137	#if LOGI_INTRA_NAME_3MPM
1138	Int uiPreds[3] = {-1, -1, -1};
1139	#else
1140	Int uiPreds[2] = {-1, -1};
1141	#endif
1142	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1143
1144	Int uiPredIdx = -1;
1145
1146	for(UInt i = 0; i < uiPredNum; i++)
1147	{
1148	if(uiDir == uiPreds[i])
1149	{
1150	uiPredIdx = i;
1151	}
1152	}
1153
1154	if(uiPredIdx != -1)
1155	{
1156	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1157	#if LOGI_INTRA_NAME_3MPM
1158	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1159	if (uiPredIdx)
1160	{
1161	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1162	}
1163	#else
1164	m_pcBinIf->encodeBinEP( uiPredIdx );
1165	#endif
1166	}
1167	else
1168	{
1169	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1170
1171	#if LOGI_INTRA_NAME_3MPM
1172	if (uiPreds[0] > uiPreds[1])
1173	{
1174	std::swap(uiPreds[0], uiPreds[1]);
1175	}
1176	if (uiPreds[0] > uiPreds[2])
1177	{
1178	std::swap(uiPreds[0], uiPreds[2]);
1179	}
1180	if (uiPreds[1] > uiPreds[2])
1181	{
1182	std::swap(uiPreds[1], uiPreds[2]);
1183	}
1184	#endif
1185
1186	for(Int i = (uiPredNum - 1); i >= 0; i--)
1187	{
1188	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1189	}
1190
1191	#if LOGI_INTRA_NAME_3MPM
1192	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1193	#if LGE_EDGE_INTRA_A0070
1194	if (bCodeEdgeIntra)
1195	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1196	#endif
1197	#else
1198	if ( uiDir < 31 )
1199	{
1200	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1201	}
1202	else
1203	{
1204	m_pcBinIf->encodeBinsEP( 31, 5 );
1205	m_pcBinIf->encodeBinEP( uiDir - 31 );
1206	}
1207	#endif
1208	}
1209	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1210	}
1211	#endif
1212	return;
1213	}
1214
1215	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1216	{
1217	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1218
1219	if( uiIntraDirChroma == DM_CHROMA_IDX )
1220	{
1221	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1222	}
1223	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1224	{
1225	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1226	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1227	}
1228	else
1229	{
1230	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1231	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1232
1233	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1234	{
1235	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1236	{
1237	uiIntraDirChroma = i;
1238	break;
1239	}
1240	}
1241	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1242
1243	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1244	{
1245	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1246	}
1247	#if CHROMA_MODE_CODING
1248	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1249	#else
1250	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1251	#endif
1252	}
1253	return;
1254	}
1255
1256	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1257	{
1258	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1259	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1260	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1261	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1262
1263	return;
1264	}
1265
1266	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1267	{
1268	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1269	{
1270	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1271
1272	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1273	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1274
1275	if( iRefFrame > 0 )
1276	{
1277	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1278	}
1279	#if MERL_VSP_C0152
1280	else if (iRefFrame < 0) // NOT_VALID
1281	{
1282	assert(0);
1283	}
1284	#endif
1285	}
1286	else
1287	{
1288	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1289	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1290	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1291
1292	if( iRefFrame > 0 )
1293	{
1294	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1295	}
1296	#if MERL_VSP_C0152
1297	else if (iRefFrame < 0) // NOT_VALID
1298	{
1299	assert(0);
1300	}
1301	#endif
1302	}
1303	return;
1304	}
1305
1306	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1307	{
1308	#if H0111_MVD_L1_ZERO
1309	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1310	{
1311	return;
1312	}
1313	#endif
1314
1315	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1316	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1317	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1318	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1319
1320	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1321	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1322
1323	const Bool bHorAbsGr0 = iHor != 0;
1324	const Bool bVerAbsGr0 = iVer != 0;
1325	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1326	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1327	pCtx++;
1328
1329	if( bHorAbsGr0 )
1330	{
1331	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1332	}
1333
1334	if( bVerAbsGr0 )
1335	{
1336	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1337	}
1338
1339	if( bHorAbsGr0 )
1340	{
1341	if( uiHorAbs > 1 )
1342	{
1343	xWriteEpExGolomb( uiHorAbs-2, 1 );
1344	}
1345
1346	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1347	}
1348
1349	if( bVerAbsGr0 )
1350	{
1351	if( uiVerAbs > 1 )
1352	{
1353	xWriteEpExGolomb( uiVerAbs-2, 1 );
1354	}
1355
1356	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1357	}
1358
1359	return;
1360	}
1361
1362	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1363	{
1364	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1365
1366	#if H0736_AVC_STYLE_QP_RANGE
1367	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1368	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1369	#else
1370	#if LOSSLESS_CODING
1371	if(pcCU->getSlice()->getSPS()->getUseLossless())
1372	{
1373	if(iDQp > 25)
1374	{
1375	iDQp = iDQp - 52;
1376	}
1377	if(iDQp < -26)
1378	{
1379	iDQp = iDQp + 52;
1380	}
1381	}
1382	#endif
1383	#endif
1384
1385	if ( iDQp == 0 )
1386	{
1387	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1388	}
1389	else
1390	{
1391	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1392
1393	UInt uiSign = (iDQp > 0 ? 0 : 1);
1394	#if !H0736_AVC_STYLE_QP_RANGE
1395	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1396	#endif
1397
1398	m_pcBinIf->encodeBinEP(uiSign);
1399
1400	#if H0736_AVC_STYLE_QP_RANGE
1401	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1402	assert(iDQp <= (25+(qpBdOffsetY/2)));
1403
1404	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1405	#else
1406	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1407	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1408
1409	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1410	#endif
1411	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1412	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1413	}
1414
1415	return;
1416	}
1417
1418	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1419	{
1420	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1421	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1422	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1423	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1424	DTRACE_CABAC_T( "\tparseQtCbf()" )
1425	DTRACE_CABAC_T( "\tsymbol=" )
1426	DTRACE_CABAC_V( uiCbf )
1427	DTRACE_CABAC_T( "\tctx=" )
1428	DTRACE_CABAC_V( uiCtx )
1429	DTRACE_CABAC_T( "\tetype=" )
1430	DTRACE_CABAC_V( eType )
1431	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1432	DTRACE_CABAC_V( uiAbsPartIdx )
1433	DTRACE_CABAC_T( "\n" )
1434	}
1435
1436	#if BURST_IPCM
1437	/** Code I_PCM information.
1438	* \param pcCU pointer to CU
1439	* \param uiAbsPartIdx CU index
1440	* \param numIPCM the number of succesive IPCM blocks with the same size
1441	* \param firstIPCMFlag
1442	* \returns Void
1443	*/
1444	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1445	#else
1446	/** Code I_PCM information.
1447	* \param pcCU pointer to CU
1448	* \param uiAbsPartIdx CU index
1449	* \returns Void
1450	*
1451	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1452	*/
1453	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1454	#endif
1455	{
1456	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1457
1458	#if BURST_IPCM
1459	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1460
1461	if( uiIPCM == 0 \|\| firstIPCMFlag)
1462	{
1463	m_pcBinIf->encodeBinTrm (uiIPCM);
1464
1465	if ( firstIPCMFlag )
1466	{
1467	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1468	m_pcBinIf->encodePCMAlignBits();
1469	}
1470	}
1471	#else
1472	m_pcBinIf->encodeBinTrm (uiIPCM);
1473	#endif
1474
1475	#if BURST_IPCM
1476	if (writePCMSampleFlag)
1477	#else
1478	if (uiIPCM)
1479	#endif
1480	{
1481	#if !BURST_IPCM
1482	m_pcBinIf->encodePCMAlignBits();
1483	#endif
1484	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1485	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1486	UInt uiChromaOffset = uiLumaOffset>>2;
1487	Pel* piPCMSample;
1488	UInt uiWidth;
1489	UInt uiHeight;
1490	UInt uiSampleBits;
1491	UInt uiX, uiY;
1492
1493	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1494	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1495	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1496	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1497
1498	for(uiY = 0; uiY < uiHeight; uiY++)
1499	{
1500	for(uiX = 0; uiX < uiWidth; uiX++)
1501	{
1502	UInt uiSample = piPCMSample[uiX];
1503
1504	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1505	}
1506	piPCMSample += uiWidth;
1507	}
1508
1509	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1510	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1511	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1512	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1513
1514	for(uiY = 0; uiY < uiHeight; uiY++)
1515	{
1516	for(uiX = 0; uiX < uiWidth; uiX++)
1517	{
1518	UInt uiSample = piPCMSample[uiX];
1519
1520	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1521	}
1522	piPCMSample += uiWidth;
1523	}
1524
1525	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1526	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1527	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1528	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1529
1530	for(uiY = 0; uiY < uiHeight; uiY++)
1531	{
1532	for(uiX = 0; uiX < uiWidth; uiX++)
1533	{
1534	UInt uiSample = piPCMSample[uiX];
1535
1536	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1537	}
1538	piPCMSample += uiWidth;
1539	}
1540	#if BURST_IPCM
1541	numIPCM--;
1542	if(numIPCM == 0)
1543	{
1544	m_pcBinIf->resetBac();
1545	}
1546	#else
1547	m_pcBinIf->resetBac();
1548	#endif
1549	}
1550	}
1551
1552	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1553	{
1554	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1555	UInt uiCtx = 0;
1556	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1557	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1558	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1559	DTRACE_CABAC_T( "\tsymbol=" )
1560	DTRACE_CABAC_V( uiCbf )
1561	DTRACE_CABAC_T( "\tctx=" )
1562	DTRACE_CABAC_V( uiCtx )
1563	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1564	DTRACE_CABAC_V( uiAbsPartIdx )
1565	DTRACE_CABAC_T( "\n" )
1566	}
1567
1568	/** Encode (X,Y) position of the last significant coefficient
1569	* \param uiPosX X component of last coefficient
1570	* \param uiPosY Y component of last coefficient
1571	* \param width Block width
1572	* \param height Block height
1573	* \param eTType plane type / luminance or chrominance
1574	* \param uiScanIdx scan type (zig-zag, hor, ver)
1575	* This method encodes the X and Y component within a block of the last significant coefficient.
1576	*/
1577	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1578	{
1579	// swap
1580	if( uiScanIdx == SCAN_VER )
1581	{
1582	swap( uiPosX, uiPosY );
1583	}
1584
1585	UInt uiCtxLast;
1586	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1587	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1588	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1589	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1590
1591	// posX
1592	#if LAST_CTX_REDUCTION
1593	Int widthCtx = eTType? 4: width;
1594	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1595	#else
1596	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1597	#endif
1598	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1599	{
1600	#if LAST_CTX_REDUCTION
1601	if (eTType)
1602	{
1603	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1604	}
1605	else
1606	{
1607	#endif
1608	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1609	#if LAST_CTX_REDUCTION
1610	}
1611	#endif
1612	}
1613	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1614	{
1615	#if LAST_CTX_REDUCTION
1616	if ( eTType )
1617	{
1618	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1619	}
1620	else
1621	{
1622	#endif
1623	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1624	#if LAST_CTX_REDUCTION
1625	}
1626	#endif
1627	}
1628
1629	// posY
1630	#if LAST_CTX_REDUCTION
1631	Int heightCtx = eTType? 4: height;
1632	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1633	#else
1634	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1635	#endif
1636	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1637	{
1638	#if LAST_CTX_REDUCTION
1639	if (eTType)
1640	{
1641	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1642	}
1643	else
1644	{
1645	#endif
1646	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1647	#if LAST_CTX_REDUCTION
1648	}
1649	#endif
1650	}
1651	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1652	{
1653	#if LAST_CTX_REDUCTION
1654	if (eTType)
1655	{
1656	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1657	}
1658	else
1659	{
1660	#endif
1661	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1662	#if LAST_CTX_REDUCTION
1663	}
1664	#endif
1665	}
1666	if ( uiGroupIdxX > 3 )
1667	{
1668	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1669	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1670	for (Int i = uiCount - 1 ; i >= 0; i-- )
1671	{
1672	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1673	}
1674	}
1675	if ( uiGroupIdxY > 3 )
1676	{
1677	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1678	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1679	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1680	{
1681	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1682	}
1683	}
1684	}
1685
1686	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1687	{
1688	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1689	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1690	DTRACE_CABAC_V( eTType )
1691	DTRACE_CABAC_T( "\twidth=" )
1692	DTRACE_CABAC_V( uiWidth )
1693	DTRACE_CABAC_T( "\theight=" )
1694	DTRACE_CABAC_V( uiHeight )
1695	DTRACE_CABAC_T( "\tdepth=" )
1696	DTRACE_CABAC_V( uiDepth )
1697	DTRACE_CABAC_T( "\tabspartidx=" )
1698	DTRACE_CABAC_V( uiAbsPartIdx )
1699	DTRACE_CABAC_T( "\ttoCU-X=" )
1700	DTRACE_CABAC_V( pcCU->getCUPelX() )
1701	DTRACE_CABAC_T( "\ttoCU-Y=" )
1702	DTRACE_CABAC_V( pcCU->getCUPelY() )
1703	DTRACE_CABAC_T( "\tCU-addr=" )
1704	DTRACE_CABAC_V( pcCU->getAddr() )
1705	DTRACE_CABAC_T( "\tinCU-X=" )
1706	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1707	DTRACE_CABAC_T( "\tinCU-Y=" )
1708	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1709	DTRACE_CABAC_T( "\tpredmode=" )
1710	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1711	DTRACE_CABAC_T( "\n" )
1712
1713	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1714	{
1715	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1716	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1717	}
1718
1719	UInt uiNumSig = 0;
1720
1721	// compute number of significant coefficients
1722	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1723
1724	if ( uiNumSig == 0 )
1725	return;
1726
1727	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1728
1729	//----- encode significance map -----
1730	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1731	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1732	if (uiScanIdx == SCAN_ZIGZAG)
1733	{
1734	// Map zigzag to diagonal scan
1735	uiScanIdx = SCAN_DIAG;
1736	}
1737	Int blockType = uiLog2BlockSize;
1738	if (uiWidth != uiHeight)
1739	{
1740	uiScanIdx = SCAN_DIAG;
1741	blockType = 4;
1742	}
1743
1744	const UInt * scan;
1745	if (uiWidth == uiHeight)
1746	{
1747	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1748	}
1749	else
1750	{
1751	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1752	}
1753
1754	#if MULTIBITS_DATA_HIDING
1755	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1756	#if LOSSLESS_CODING
1757	Bool beValid;
1758	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1759	{
1760	beValid = false;
1761	}
1762	else
1763	{
1764	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1765	}
1766	#else
1767	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1768	#endif
1769	#endif
1770
1771	// Find position of last coefficient
1772	Int scanPosLast = -1;
1773	Int posLast;
1774
1775	const UInt * scanCG;
1776	if (uiWidth == uiHeight)
1777	{
1778	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1779	#if MULTILEVEL_SIGMAP_EXT
1780	if( uiLog2BlockSize == 3 )
1781	{
1782	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1783	}
1784	else if( uiLog2BlockSize == 5 )
1785	{
1786	scanCG = g_sigLastScanCG32x32;
1787	}
1788	#endif
1789	}
1790	else
1791	{
1792	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1793	}
1794	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1795	static const UInt uiShift = MLS_CG_SIZE >> 1;
1796	const UInt uiNumBlkSide = uiWidth >> uiShift;
1797
1798	#if !MULTILEVEL_SIGMAP_EXT
1799	if( blockType > 3 )
1800	{
1801	#endif
1802	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1803
1804	do
1805	{
1806	posLast = scan[ ++scanPosLast ];
1807
1808	// get L1 sig map
1809	UInt uiPosY = posLast >> uiLog2BlockSize;
1810	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1811	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1812	#if MULTILEVEL_SIGMAP_EXT
1813	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1814	{
1815	if( uiScanIdx == SCAN_HOR )
1816	{
1817	uiBlkIdx = uiPosY >> 1;
1818	}
1819	else if( uiScanIdx == SCAN_VER )
1820	{
1821	uiBlkIdx = uiPosX >> 1;
1822	}
1823	}
1824	#endif
1825	if( pcCoef[ posLast ] )
1826	{
1827	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1828	}
1829
1830	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1831	}
1832	while ( uiNumSig > 0 );
1833	#if !MULTILEVEL_SIGMAP_EXT
1834	}
1835	else
1836	{
1837
1838	do
1839	{
1840	posLast = scan[ ++scanPosLast ];
1841	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1842	}
1843	while ( uiNumSig > 0 );
1844
1845	}
1846	#endif
1847
1848	// Code position of last coefficient
1849	Int posLastY = posLast >> uiLog2BlockSize;
1850	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1851	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1852
1853	//===== code significance flag =====
1854	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1855	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1856
1857
1858	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1859	UInt uiNumOne = 0;
1860	UInt uiGoRiceParam = 0;
1861	Int iScanPosSig = scanPosLast;
1862
1863	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1864	{
1865	Int numNonZero = 0;
1866	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1867	uiGoRiceParam = 0;
1868	Int absCoeff[16];
1869	UInt coeffSigns = 0;
1870
1871	#if MULTIBITS_DATA_HIDING
1872	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1873	#endif
1874
1875	if( iScanPosSig == scanPosLast )
1876	{
1877	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1878	coeffSigns = ( pcCoef[ posLast ] < 0 );
1879	numNonZero = 1;
1880	#if MULTIBITS_DATA_HIDING
1881	lastNZPosInCG = iScanPosSig;
1882	firstNZPosInCG = iScanPosSig;
1883	#endif
1884	iScanPosSig--;
1885	}
1886
1887	#if !MULTILEVEL_SIGMAP_EXT
1888	if( blockType > 3 )
1889	{
1890	#endif
1891	// encode significant_coeffgroup_flag
1892	Int iCGBlkPos = scanCG[ iSubSet ];
1893	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1894	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1895	#if MULTILEVEL_SIGMAP_EXT
1896	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1897	{
1898	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1899	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1900	}
1901	#endif
1902	#if !REMOVE_INFER_SIGGRP
1903	Bool bInferredCGFlag = false;
1904	#endif
1905	#if REMOVE_INFER_SIGGRP
1906	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1907	#else
1908	if( iSubSet == iLastScanSet )
1909	#endif
1910	{
1911	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1912	}
1913	else
1914	{
1915	#if !REMOVE_INFER_SIGGRP
1916	#if MULTILEVEL_SIGMAP_EXT
1917	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1918	#else
1919	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1920	#endif
1921	{
1922	#endif
1923	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1924	#if MULTILEVEL_SIGMAP_EXT
1925	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1926	#else
1927	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1928	#endif
1929	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1930	#if !REMOVE_INFER_SIGGRP
1931	}
1932	else
1933	{
1934	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1935	bInferredCGFlag = true;
1936	}
1937	#endif
1938	}
1939
1940	// encode significant_coeff_flag
1941	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1942	{
1943	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1944	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1945	{
1946	uiBlkPos = scan[ iScanPosSig ];
1947	uiPosY = uiBlkPos >> uiLog2BlockSize;
1948	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1949	uiSig = (pcCoef[ uiBlkPos ] != 0);
1950	#if REMOVE_INFER_SIGGRP
1951	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1952	#else
1953	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1954	#endif
1955	{
1956	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1957	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1958	}
1959	if( uiSig )
1960	{
1961	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1962	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1963	numNonZero++;
1964	#if MULTIBITS_DATA_HIDING
1965	if( lastNZPosInCG == -1 )
1966	{
1967	lastNZPosInCG = iScanPosSig;
1968	}
1969	firstNZPosInCG = iScanPosSig;
1970	#endif
1971	}
1972	}
1973	}
1974	else
1975	{
1976	iScanPosSig = iSubPos - 1;
1977	}
1978	#if !MULTILEVEL_SIGMAP_EXT
1979	}
1980	else
1981	{
1982
1983	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1984	{
1985	UInt uiBlkPos = scan[ iScanPosSig ];
1986	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1987	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1988	UInt uiSig = 0;
1989	if( pcCoef[ uiBlkPos ] != 0 )
1990	{
1991	uiSig = 1;
1992	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1993	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1994	numNonZero++;
1995	#if MULTIBITS_DATA_HIDING
1996	if( lastNZPosInCG == -1 )
1997	{
1998	lastNZPosInCG = iScanPosSig;
1999	}
2000	firstNZPosInCG = iScanPosSig;
2001	#endif
2002	}
2003	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
2004	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
2005	}
2006
2007	}
2008	#endif
2009
2010	if( numNonZero > 0 )
2011	{
2012	#if MULTIBITS_DATA_HIDING
2013	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
2014	#endif // MULTIBITS_DATA_HIDING
2015
2016	UInt c1 = 1;
2017	#if !RESTRICT_GR1GR2FLAG_NUMBER
2018	UInt c2 = 0;
2019	#endif
2020	#if LEVEL_CTX_LUMA_RED
2021	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
2022	#else
2023	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
2024	#endif
2025
2026	if( uiNumOne > 0 )
2027	{
2028	uiCtxSet++;
2029	#if !LEVEL_CTX_LUMA_RED
2030	if( uiNumOne > 3 && eTType==TEXT_LUMA)
2031	{
2032	uiCtxSet++;
2033	}
2034	#endif
2035	}
2036
2037	uiNumOne >>= 1;
2038	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
2039
2040	#if RESTRICT_GR1GR2FLAG_NUMBER
2041	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2042	Int firstC2FlagIdx = -1;
2043	for( Int idx = 0; idx < numC1Flag; idx++ )
2044	#else
2045	for ( Int idx = 0; idx < numNonZero; idx++ )
2046	#endif
2047	{
2048	UInt uiSymbol = absCoeff[ idx ] > 1;
2049	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2050	if( uiSymbol )
2051	{
2052	c1 = 0;
2053
2054	#if RESTRICT_GR1GR2FLAG_NUMBER
2055	if (firstC2FlagIdx == -1)
2056	{
2057	firstC2FlagIdx = idx;
2058	}
2059	#endif
2060	}
2061	else if( (c1 < 3) && (c1 > 0) )
2062	{
2063	c1++;
2064	}
2065	}
2066
2067	if (c1 == 0)
2068	{
2069
2070	#if RESTRICT_GR1GR2FLAG_NUMBER
2071	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
2072	if ( firstC2FlagIdx != -1)
2073	{
2074	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2075	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2076	}
2077	#else
2078	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
2079	for ( Int idx = 0; idx < numNonZero; idx++ )
2080	{
2081	if( absCoeff[ idx ] > 1 )
2082	{
2083	UInt symbol = absCoeff[ idx ] > 2;
2084	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
2085	c2 += (c2 < 2);
2086	uiNumOne++;
2087	}
2088	}
2089	#endif
2090	}
2091
2092	#if MULTIBITS_DATA_HIDING
2093	if( beValid && signHidden )
2094	{
2095	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2096	}
2097	else
2098	{
2099	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2100	}
2101	#else
2102	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2103	#endif
2104
2105	#if RESTRICT_GR1GR2FLAG_NUMBER
2106	Int iFirstCoeff2 = 1;
2107	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
2108	#else
2109	if (c1 == 0)
2110	#endif
2111	{
2112	for ( Int idx = 0; idx < numNonZero; idx++ )
2113	{
2114	#if RESTRICT_GR1GR2FLAG_NUMBER
2115	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2116
2117	if( absCoeff[ idx ] >= baseLevel)
2118	{
2119	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
2120	}
2121	if(absCoeff[ idx ] >= 2)
2122	{
2123	iFirstCoeff2 = 0;
2124	uiNumOne++;
2125	}
2126	#else
2127	if ( absCoeff[ idx ] > 2 )
2128	{
2129	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2130	}
2131	#endif
2132	}
2133	}
2134	}
2135	else
2136	{
2137	uiNumOne >>= 1;
2138	}
2139	}
2140
2141	return;
2142	}
2143
2144	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2145	{
2146	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2147	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2148	}
2149
2150	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2151	{
2152	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2153	}
2154
2155	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2156	{
2157	Int i;
2158
2159	if ( uiCode == 0 )
2160	{
2161	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2162	}
2163	else
2164	{
2165	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2166	for ( i=0; i<uiCode-1; i++ )
2167	{
2168	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2169	}
2170	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2171	}
2172	}
2173
2174	Void TEncSbac::codeAlfSvlc ( Int iCode )
2175	{
2176	Int i;
2177
2178	if ( iCode == 0 )
2179	{
2180	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2181	}
2182	else
2183	{
2184	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2185
2186	// write sign
2187	if ( iCode > 0 )
2188	{
2189	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2190	}
2191	else
2192	{
2193	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2194	iCode = -iCode;
2195	}
2196
2197	// write magnitude
2198	for ( i=0; i<iCode-1; i++ )
2199	{
2200	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2201	}
2202	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2203	}
2204	}
2205
2206	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2207	{
2208	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2209	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2210	}
2211
2212	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2213	{
2214	Int i;
2215
2216	if ( uiCode == 0 )
2217	{
2218	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2219	}
2220	else
2221	{
2222	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2223	for ( i=0; i<uiCode-1; i++ )
2224	{
2225	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2226	}
2227	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2228	}
2229	}
2230
2231	Void TEncSbac::codeSaoSvlc ( Int iCode )
2232	{
2233	Int i;
2234
2235	if ( iCode == 0 )
2236	{
2237	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2238	}
2239	else
2240	{
2241	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2242
2243	// write sign
2244	if ( iCode > 0 )
2245	{
2246	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2247	}
2248	else
2249	{
2250	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2251	iCode = -iCode;
2252	}
2253
2254	// write magnitude
2255	for ( i=0; i<iCode-1; i++ )
2256	{
2257	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2258	}
2259	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2260	}
2261	}
2262	#if SAO_UNIT_INTERLEAVING
2263	/** Code SAO band position
2264	* \param uiCode
2265	*/
2266	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2267	{
2268	for (Int i=0;i<5;i++)
2269	{
2270	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2271	}
2272	}
2273	/** Code SAO merge left flag
2274	* \param uiCode
2275	* \param uiCompIdx
2276	*/
2277	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2278	{
2279	if (uiCode == 0)
2280	{
2281	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2282	}
2283	else
2284	{
2285	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2286	}
2287	}
2288	/** Code SAO merge up flag
2289	* \param uiCode
2290	*/
2291	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2292	{
2293	if (uiCode == 0)
2294	{
2295	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2296	}
2297	else
2298	{
2299	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2300	}
2301	}
2302	/** Code SAO type index
2303	* \param uiCode
2304	*/
2305	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2306	{
2307	Int i;
2308	if ( uiCode == 0 )
2309	{
2310	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2311	}
2312	else
2313	{
2314	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2315	for ( i=0; i<uiCode-1; i++ )
2316	{
2317	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2318	}
2319	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2320	}
2321	}
2322	#endif
2323	/*!
2324	****************************************************************************
2325	* \brief
2326	* estimate bit cost for CBP, significant map and significant coefficients
2327	****************************************************************************
2328	*/
2329	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2330	{
2331	estCBFBit( pcEstBitsSbac, 0, eTType );
2332
2333	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2334
2335	// encode significance map
2336	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2337
2338	// encode significant coefficients
2339	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2340	}
2341
2342	/*!
2343	****************************************************************************
2344	* \brief
2345	* estimate bit cost for each CBP bit
2346	****************************************************************************
2347	*/
2348	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2349	{
2350	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2351
2352	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2353	{
2354	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2355	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2356	}
2357
2358	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2359
2360	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2361	{
2362	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2363	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2364	}
2365	}
2366
2367
2368	/*!
2369	****************************************************************************
2370	* \brief
2371	* estimate SAMBAC bit cost for significant coefficient group map
2372	****************************************************************************
2373	*/
2374	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2375	{
2376	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2377
2378	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2379	{
2380	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2381	{
2382	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2383	}
2384	}
2385	}
2386
2387
2388	/*!
2389	****************************************************************************
2390	* \brief
2391	* estimate SAMBAC bit cost for significant coefficient map
2392	****************************************************************************
2393	*/
2394	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2395	{
2396	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2397	if (std::max(width, height) >= 16)
2398	{
2399	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2400	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2401	}
2402	else if (width == 8)
2403	{
2404	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2405	numCtx = 11;
2406	}
2407
2408	if (eTType == TEXT_LUMA )
2409	{
2410	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2411	{
2412	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2413	{
2414	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2415	}
2416	}
2417	}
2418	else
2419	{
2420	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2421	{
2422	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2423	{
2424	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2425	}
2426	}
2427	}
2428	Int iBitsX = 0, iBitsY = 0;
2429	const UInt *puiCtxIdx;
2430	Int ctx;
2431	#if LAST_CTX_REDUCTION
2432	Int widthCtx = eTType? 4 : width;
2433	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2434	#else
2435	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2436	#endif
2437	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2438	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2439	{
2440	Int ctxOffset = puiCtxIdx[ ctx ];
2441	#if LAST_CTX_REDUCTION
2442	if (eTType)
2443	{
2444	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2445	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2446	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2447	}
2448	else
2449	{
2450	#endif
2451	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2452	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2453	#if LAST_CTX_REDUCTION
2454	}
2455	#endif
2456	}
2457	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2458
2459	#if LAST_CTX_REDUCTION
2460	Int heightCtx = eTType? 4 : height;
2461	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2462	#else
2463	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2464	#endif
2465	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2466	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2467	{
2468	Int ctxOffset = puiCtxIdx[ ctx ];
2469	#if LAST_CTX_REDUCTION
2470	if (eTType)
2471	{
2472	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2473	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2474	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2475	}
2476	else
2477	{
2478	#endif
2479	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2480	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2481	#if LAST_CTX_REDUCTION
2482	}
2483	#endif
2484	}
2485	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2486	}
2487
2488	/*!
2489	****************************************************************************
2490	* \brief
2491	* estimate bit cost of significant coefficient
2492	****************************************************************************
2493	*/
2494	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2495	{
2496	if (eTType==TEXT_LUMA)
2497	{
2498	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2499	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2500
2501	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2502	{
2503	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2504	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2505	}
2506
2507	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2508	{
2509	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2510	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2511	}
2512	}
2513	else
2514	{
2515	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2516	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2517
2518	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2519	{
2520	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2521	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2522	}
2523
2524	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2525	{
2526	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2527	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2528	}
2529	}
2530	}
2531
2532	/**
2533	- Initialize our context information from the nominated source.
2534	.
2535	\param pSrc From where to copy context information.
2536	*/
2537	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2538	{
2539	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2540	}
2541
2542	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2543	{
2544	this->xCopyContextsFrom(pScr);
2545	}
2546
2547	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA_A0070 && LGE_EDGE_INTRA_DELTA_DC)
2548	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2549	{
2550	if( uiSymbol )
2551	{
2552	m_pcBinIf->encodeBin( 1, rcSCModel );
2553	UInt uiCount = 0;
2554	Bool bNoExGo = (uiSymbol < 13);
2555
2556	while( --uiSymbol && ++uiCount < 13 )
2557	{
2558	m_pcBinIf->encodeBin( 1, rcSCModel );
2559	}
2560	if( bNoExGo )
2561	{
2562	m_pcBinIf->encodeBin( 0, rcSCModel );
2563	}
2564	else
2565	{
2566	xWriteEpExGolomb( uiSymbol, 0 );
2567	}
2568	}
2569	else
2570	{
2571	m_pcBinIf->encodeBin( 0, rcSCModel );
2572	}
2573
2574	return;
2575	}
2576	#endif
2577	#if HHI_DMM_WEDGE_INTRA
2578	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2579	{
2580	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2581	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2582
2583	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2584
2585	for ( Int i = 0; i < iBits; i++ )
2586	{
2587	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2588	}
2589	}
2590
2591	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2592	{
2593	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2594	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2595
2596	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2597
2598	for ( Int i = 0; i < iBits; i++ )
2599	{
2600	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2601	}
2602
2603	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2604	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2605
2606	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2607	if ( iDeltaDC1 != 0 )
2608	{
2609	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2610	m_pcBinIf->encodeBinEP( uiSign );
2611	}
2612	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2613	if ( iDeltaDC2 != 0 )
2614	{
2615	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2616	m_pcBinIf->encodeBinEP( uiSign );
2617	}
2618	}
2619
2620	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2621	{
2622	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2623	{
2624	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2625	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2626
2627	if( iDeltaEnd != 0 )
2628	{
2629	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2630	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2631	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2632
2633	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2634	m_pcBinIf->encodeBinEP( uiSign );
2635	}
2636	}
2637	}
2638
2639	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2640	{
2641	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2642	{
2643	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2644	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2645
2646	if( iDeltaEnd != 0 )
2647	{
2648	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2649	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2650	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2651
2652	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2653	m_pcBinIf->encodeBinEP( uiSign );
2654	}
2655	}
2656
2657	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2658	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2659
2660	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2661	if ( iDeltaDC1 != 0 )
2662	{
2663	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2664	m_pcBinIf->encodeBinEP( uiSign );
2665	}
2666	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2667	if ( iDeltaDC2 != 0 )
2668	{
2669	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2670	m_pcBinIf->encodeBinEP( uiSign );
2671	}
2672	}
2673	#endif
2674	#if HHI_DMM_PRED_TEX
2675	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2676	{
2677	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2678	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2679
2680	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2681	if ( iDeltaDC1 != 0 )
2682	{
2683	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2684	m_pcBinIf->encodeBinEP( uiSign );
2685	}
2686	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2687	if ( iDeltaDC2 != 0 )
2688	{
2689	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2690	m_pcBinIf->encodeBinEP( uiSign );
2691	}
2692	}
2693
2694	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2695	{
2696	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2697	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2698
2699	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2700	if ( iDeltaDC1 != 0 )
2701	{
2702	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2703	m_pcBinIf->encodeBinEP( uiSign );
2704	}
2705	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2706	if ( iDeltaDC2 != 0 )
2707	{
2708	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2709	m_pcBinIf->encodeBinEP( uiSign );
2710	}
2711	}
2712	#endif
2713
2714	#if RWTH_SDC_DLT_B0036
2715	Void TEncSbac::codeSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
2716	{
2717	assert( pcCU->getSlice()->getSPS()->isDepth() );
2718	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2719	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2720
2721	UInt uiPredMode = pcCU->getLumaIntraDir(uiAbsPartIdx);
2722	UInt uiCtx = 0;
2723
2724	UInt uiMPModeIdx = 0;
2725
2726	for(Int i=0; i<RWTH_SDC_NUM_PRED_MODES-1; i++)
2727	{
2728	UInt uiBit = (uiPredMode == g_auiSDCPredModes[uiMPModeIdx]) ? 1 : 0;
2729	m_pcBinIf->encodeBin( uiBit, m_cSDCPredModeSCModel.get( 0, i, uiCtx ) );
2730
2731	// if mode is most probable mode, we are done here
2732	if ( uiBit == 1 )
2733	break;
2734
2735	// else: get next most probable pred mode
2736	uiMPModeIdx = (uiMPModeIdx+1)%RWTH_SDC_NUM_PRED_MODES;
2737	}
2738
2739	#if HHI_DMM_WEDGE_INTRA
2740	if( uiPredMode == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
2741	if( uiPredMode == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
2742	#endif
2743
2744	AOF(uiPredMode == g_auiSDCPredModes[uiMPModeIdx]);
2745	}
2746
2747	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2748	{
2749	// get context function is here
2750	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2751	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2752	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2753
2754	}
2755
2756	Void TEncSbac::codeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment )
2757	{
2758	assert( pcCU->getSlice()->getSPS()->isDepth() );
2759	assert( pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N );
2760	assert( pcCU->getSDCFlag(uiAbsPartIdx) );
2761	assert( uiSegment < 2 );
2762
2763	Pel segmentDCOffset = pcCU->getSDCSegmentDCOffset(uiSegment, uiAbsPartIdx);
2764
2765	UInt uiResidual = segmentDCOffset == 0 ? 0 : 1;
2766	UInt uiSign = segmentDCOffset < 0 ? 1 : 0;
2767	UInt uiAbsIdx = abs(segmentDCOffset);
2768	UInt uiBit = 0;
2769
2770	UInt uiMaxResidualBits = GetBitsPerDepthValue();
2771	assert( uiMaxResidualBits <= g_uiBitDepth );
2772
2773	// residual flag
2774	m_pcBinIf->encodeBin( uiResidual, m_cSDCResidualFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2775
2776	if (uiResidual)
2777	{
2778	// encode sign bit of residual
2779	m_pcBinIf->encodeBin( uiSign, m_cSDCResidualSignFlagSCModel.get( 0, uiSegment, 0 ) ); //TODO depthmap: more sophisticated context selection
2780
2781	assert(uiAbsIdx < GetNumDepthValues());
2782
2783	// encode residual magnitude
2784	uiAbsIdx -= 1;
2785	for (Int i=0; i<uiMaxResidualBits; i++)
2786	{
2787	uiBit = (uiAbsIdx & (1<<i))>>i;
2788
2789	m_pcBinIf->encodeBin( uiBit, m_cSDCResidualSCModel.get( 0, uiSegment, i ) ); //TODO depthmap: more sophisticated context selection
2790	}
2791
2792	}
2793	}
2794	#endif
2795	//! \}

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source: 3DVCSoftware/branches/HTM-5.1-dev3-Mediatek/source/Lib/TLibEncoder/TEncSbac.cpp @ 441

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