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source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/TEncSbac.cpp @ 111

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Last change on this file since 111 was 101, checked in by tech, 12 years ago
Added POZNAN_CABAC_INIT_FLAG_FIX bug Fixed CTC cfg-file bug Changed define name
Property svn:eol-style set to `native`
File size: 82.4 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	//! \ingroup TLibEncoder
45	//! \{
46
47	// ====================================================================================================================
48	// Constructor / destructor / create / destroy
49	// ====================================================================================================================
50
51	TEncSbac::TEncSbac()
52	// new structure here
53	: m_pcBitIf ( NULL )
54	, m_pcSlice ( NULL )
55	, m_pcBinIf ( NULL )
56	, m_bAlfCtrl ( false )
57	, m_uiCoeffCost ( 0 )
58	, m_uiMaxAlfCtrlDepth ( 0 )
59	, m_numContextModels ( 0 )
60	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
61	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
62	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
63	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#if HHI_INTER_VIEW_RESIDUAL_PRED
65	, m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66	#endif
67	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
68	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	#if AMP_CTX
90	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
91	#else
92	, m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	#endif
95	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	#if SAO_UNIT_INTERLEAVING
99	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#endif
103	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
104	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	#endif
108	#if LGE_EDGE_INTRA
109	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#if LGE_EDGE_INTRA_DELTA_DC
111	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
112	#endif
113	#endif
114	{
115	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
116	m_iSliceGranularity = 0;
117	}
118
119	TEncSbac::~TEncSbac()
120	{
121	}
122
123	// ====================================================================================================================
124	// Public member functions
125	// ====================================================================================================================
126
127	Void TEncSbac::resetEntropy ()
128	{
129	Int iQp = m_pcSlice->getSliceQp();
130	SliceType eSliceType = m_pcSlice->getSliceType();
131
132	#if CABAC_INIT_FLAG
133	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
134	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
135	{
136	eSliceType = (SliceType) encCABACTableIdx;
137	}
138	#endif
139
140	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
141
142	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
143	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
144	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
145	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
146	#if HHI_INTER_VIEW_RESIDUAL_PRED
147	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
148	#endif
149	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
150	#if AMP_CTX
151	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
152	#else
153	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
154	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
155	#endif
156	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
157	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
158	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
159	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
160	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
161	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
162	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
163	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
164	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
165	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
166	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
167	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
168	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
169	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
170	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
171	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
172	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
173	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
174	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
175	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
176	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
177	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
178	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
179	#if SAO_UNIT_INTERLEAVING
180	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
181	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
182	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
183	#endif
184	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
185	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
186	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
187	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
188	#endif
189	#if LGE_EDGE_INTRA
190	m_cEdgeIntraSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA );
191	#if LGE_EDGE_INTRA_DELTA_DC
192	m_cEdgeIntraDeltaDCSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
193	#endif
194	#endif
195
196	// new structure
197	m_uiLastQp = iQp;
198
199	m_pcBinIf->start();
200
201	return;
202	}
203
204	#if CABAC_INIT_FLAG
205	/** The function does the following:
206	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
207	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
208	*/
209	Void TEncSbac::determineCabacInitIdx()
210	{
211	Int qp = m_pcSlice->getSliceQp();
212
213	if (!m_pcSlice->isIntra())
214	{
215	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
216
217	UInt bestCost = MAX_UINT;
218	SliceType bestSliceType = aSliceTypeChoices[0];
219	for (UInt idx=0; idx<2; idx++)
220	{
221	UInt curCost = 0;
222	SliceType curSliceType = aSliceTypeChoices[idx];
223
224	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
225	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
226	curCost += m_cCUAlfCtrlFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
227	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
228	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
229	#if HHI_INTER_VIEW_RESIDUAL_PRED
230	curCost += m_cResPredFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_RES_PRED_FLAG);
231	#endif
232	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
233	#if AMP_CTX
234	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
235	#else
236	curCost += m_cCUXPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_X_POS );
237	curCost += m_cCUYPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_Y_POS );
238	#endif
239	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
240	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
241	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
242	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
243	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
244	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
245	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
246	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
247	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
248	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
249	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
250	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
251	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
252	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
253	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
254	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
255	curCost += m_cALFFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_FLAG );
256	curCost += m_cALFUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_UVLC );
257	curCost += m_cALFSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_SVLC );
258	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
259	curCost += m_cSaoFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_FLAG );
260	curCost += m_cSaoUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_UVLC );
261	curCost += m_cSaoSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_SVLC );
262	#if SAO_UNIT_INTERLEAVING
263	curCost += m_cSaoMergeLeftSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
264	curCost += m_cSaoMergeUpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
265	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
266	#endif
267
268	if (curCost < bestCost)
269	{
270	bestSliceType = curSliceType;
271	bestCost = curCost;
272	}
273	}
274	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
275	}
276	else
277	{
278	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
279	}
280
281	#if CABAC_INIT_FLAG && POZNAN_CABAC_INIT_FLAG_FIX
282	m_pcSlice->getPPS()->setEncPrevPOC( m_pcSlice->getPOC() );
283	#endif
284	}
285	#endif
286
287
288	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
289	*/
290	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
291	{
292	m_pcBinIf->encodeBinTrm(1);
293	if (bExecuteFinish) m_pcBinIf->finish();
294	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
295
296	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
297	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
298	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
299	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
300	#if HHI_INTER_VIEW_RESIDUAL_PRED
301	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
302	#endif
303	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
304	#if AMP_CTX
305	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
306	#else
307	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
308	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
309	#endif
310	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
311	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
312	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
313	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
314	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
315	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
316	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
317	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
318	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
319	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
320	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
321	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
322	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
323	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
324	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
325	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
326	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
327	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
328	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
329	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
330	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
331	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
332	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
333	#if SAO_UNIT_INTERLEAVING
334	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
335	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
336	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
337	#endif
338	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
339	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
340	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
341	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
342	#endif
343
344	m_pcBinIf->start();
345	}
346
347	Void TEncSbac::writeTileMarker( UInt uiTileIdx, UInt uiBitsUsed )
348	{
349	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
350	{
351	m_pcBinIf->encodeBinEP ( (uiTileIdx & (1 << iShift)) >> iShift );
352	}
353	}
354
355	void TEncSbac::codeSEI(const SEI&)
356	{
357	assert(0);
358	}
359
360	#if VIDYO_VPS_INTEGRATION
361	Void TEncSbac::codeVPS( TComVPS* pcVPS )
362	{
363	assert (0);
364	return;
365	}
366	#endif
367
368	#if HHI_MPI
369	Void TEncSbac::codeSPS( TComSPS* pcSPS, Bool bIsDepth )
370	#else
371	Void TEncSbac::codeSPS( TComSPS* pcSPS )
372	#endif
373	{
374	assert (0);
375	return;
376	}
377
378	Void TEncSbac::codePPS( TComPPS* pcPPS )
379	{
380	assert (0);
381	return;
382	}
383
384	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
385	{
386	assert (0);
387	return;
388	}
389
390	#if TILES_WPP_ENTRY_POINT_SIGNALLING
391	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
392	{
393	assert (0);
394	return;
395	}
396	#else
397	Void TEncSbac::codeSliceHeaderSubstreamTable( TComSlice* pcSlice )
398	{
399	assert (0);
400	}
401	#endif
402
403	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
404	{
405	m_pcBinIf->encodeBinTrm( uilsLast );
406	}
407
408	Void TEncSbac::codeSliceFinish()
409	{
410	m_pcBinIf->finish();
411	}
412
413	#if OL_FLUSH
414	Void TEncSbac::codeFlush()
415	{
416	m_pcBinIf->flush();
417	}
418
419	Void TEncSbac::encodeStart()
420	{
421	m_pcBinIf->start();
422	}
423	#endif
424
425	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
426	{
427	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
428
429	if( 0 == uiSymbol)
430	{
431	return;
432	}
433
434	while( uiSymbol-- )
435	{
436	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
437	}
438
439	return;
440	}
441
442	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
443	{
444	if (uiMaxSymbol == 0)
445	{
446	return;
447	}
448
449	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
450
451	if ( uiSymbol == 0 )
452	{
453	return;
454	}
455
456	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
457
458	while( --uiSymbol )
459	{
460	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
461	}
462	if( bCodeLast )
463	{
464	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
465	}
466
467	return;
468	}
469
470	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
471	{
472	UInt bins = 0;
473	Int numBins = 0;
474
475	while( uiSymbol >= (UInt)(1<<uiCount) )
476	{
477	bins = 2 * bins + 1;
478	numBins++;
479	uiSymbol -= 1 << uiCount;
480	uiCount ++;
481	}
482	bins = 2 * bins + 0;
483	numBins++;
484
485	bins = (bins << uiCount) \| uiSymbol;
486	numBins += uiCount;
487
488	assert( numBins <= 32 );
489	m_pcBinIf->encodeBinsEP( bins, numBins );
490	}
491
492	/** Coding of coeff_abs_level_minus3
493	* \param uiSymbol value of coeff_abs_level_minus3
494	* \param ruiGoRiceParam reference to Rice parameter
495	* \returns Void
496	*/
497	Void TEncSbac::xWriteGoRiceExGolomb( UInt uiSymbol, UInt &ruiGoRiceParam )
498	{
499	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
500	Bool bExGolomb = ( uiSymbol > uiMaxVlc );
501	UInt uiCodeWord = min<UInt>( uiSymbol, ( uiMaxVlc + 1 ) );
502	UInt uiQuotient = uiCodeWord >> ruiGoRiceParam;
503	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
504
505	UInt binValues;
506	Int numBins;
507
508	if ( uiQuotient >= uiMaxPreLen )
509	{
510	numBins = uiMaxPreLen;
511	binValues = ( 1 << numBins ) - 1;
512	}
513	else
514	{
515	numBins = uiQuotient + 1;
516	binValues = ( 1 << numBins ) - 2;
517	}
518
519	m_pcBinIf->encodeBinsEP( ( binValues << ruiGoRiceParam ) + uiCodeWord - ( uiQuotient << ruiGoRiceParam ), numBins + ruiGoRiceParam );
520
521	#if EIGHT_BITS_RICE_CODE
522	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 23 ) ];
523	#else
524	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 15 ) ];
525	#endif
526
527	if( bExGolomb )
528	{
529	uiSymbol -= uiMaxVlc + 1;
530	xWriteEpExGolomb( uiSymbol, 0 );
531	}
532	}
533
534	// SBAC RD
535	Void TEncSbac::load ( TEncSbac* pSrc)
536	{
537	this->xCopyFrom(pSrc);
538	}
539
540	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
541	{
542	m_pcBinIf->copyState( pSrc->m_pcBinIf );
543
544	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
545	}
546
547
548	Void TEncSbac::store( TEncSbac* pDest)
549	{
550	pDest->xCopyFrom( this );
551	}
552
553
554	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
555	{
556	m_pcBinIf->copyState( pSrc->m_pcBinIf );
557
558	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
559	this->m_uiLastQp = pSrc->m_uiLastQp;
560
561	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
562	}
563
564	#if HHI_INTER_VIEW_MOTION_PRED
565	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum )
566	#else
567	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
568	#endif
569	{
570	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
571	#if HHI_INTER_VIEW_MOTION_PRED
572	#else
573	Int iNum = AMVP_MAX_NUM_CANDS;
574	#endif
575
576	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
577	}
578
579	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
580	{
581	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
582	if ( pcCU->isIntra( uiAbsPartIdx ) )
583	{
584	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
585	{
586	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
587	}
588	return;
589	}
590
591	switch(eSize)
592	{
593	case SIZE_2Nx2N:
594	{
595	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
596	break;
597	}
598	case SIZE_2NxN:
599	case SIZE_2NxnU:
600	case SIZE_2NxnD:
601	{
602	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
603	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
604	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
605	{
606	if (eSize == SIZE_2NxN)
607	{
608	#if AMP_CTX
609	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
610	#else
611	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
612	#endif
613	}
614	else
615	{
616	#if AMP_CTX
617	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
618	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
619	#else
620	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
621	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
622	#endif
623	}
624	}
625	break;
626	}
627	case SIZE_Nx2N:
628	case SIZE_nLx2N:
629	case SIZE_nRx2N:
630	{
631	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
632	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
633	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
634	{
635	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
636	}
637	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
638	{
639	if (eSize == SIZE_Nx2N)
640	{
641	#if AMP_CTX
642	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
643	#else
644	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
645	#endif
646	}
647	else
648	{
649	#if AMP_CTX
650	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
651	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
652	#else
653	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
654	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
655	#endif
656	}
657	}
658	break;
659	}
660	case SIZE_NxN:
661	{
662	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
663	{
664	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
665	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
666	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
667	}
668	break;
669	}
670	default:
671	{
672	assert(0);
673	}
674	}
675	}
676
677	/** code prediction mode
678	* \param pcCU
679	* \param uiAbsPartIdx
680	* \returns Void
681	*/
682	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
683	{
684	// get context function is here
685	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
686	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
687	}
688
689	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
690	{
691	if (!m_bAlfCtrl)
692	return;
693
694	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
695	{
696	return;
697	}
698
699	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
700	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
701	}
702
703	Void TEncSbac::codeAlfCtrlDepth()
704	{
705	if (!m_bAlfCtrl)
706	return;
707
708	UInt uiDepth = m_uiMaxAlfCtrlDepth;
709	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
710	}
711
712	/** code skip flag
713	* \param pcCU
714	* \param uiAbsPartIdx
715	* \returns Void
716	*/
717	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
718	{
719	// get context function is here
720	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
721	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
722	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
723	DTRACE_CABAC_VL( g_nSymbolCounter++ );
724	DTRACE_CABAC_T( "\tSkipFlag" );
725	DTRACE_CABAC_T( "\tuiCtxSkip: ");
726	DTRACE_CABAC_V( uiCtxSkip );
727	DTRACE_CABAC_T( "\tuiSymbol: ");
728	DTRACE_CABAC_V( uiSymbol );
729	DTRACE_CABAC_T( "\n");
730	}
731
732	/** code merge flag
733	* \param pcCU
734	* \param uiAbsPartIdx
735	* \returns Void
736	*/
737	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
738	{
739	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
740	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
741
742	DTRACE_CABAC_VL( g_nSymbolCounter++ );
743	DTRACE_CABAC_T( "\tMergeFlag: " );
744	DTRACE_CABAC_V( uiSymbol );
745	DTRACE_CABAC_T( "\tAddress: " );
746	DTRACE_CABAC_V( pcCU->getAddr() );
747	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
748	DTRACE_CABAC_V( uiAbsPartIdx );
749	DTRACE_CABAC_T( "\n" );
750	}
751
752	/** code merge index
753	* \param pcCU
754	* \param uiAbsPartIdx
755	* \returns Void
756	*/
757	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
758	{
759	UInt uiNumCand = MRG_MAX_NUM_CANDS;
760	#if !MRG_IDX_CTX_RED
761	UInt auiCtx[4] = { 0, 1, 2, 3 };
762	#endif
763	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
764	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
765	#if HHI_MPI
766	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
767	if( bMVIAvailable )
768	{
769	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
770	if( bUseMVI )
771	{
772	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
773	}
774	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
775	{
776	uiUnaryIdx++;
777	}
778	}
779	#endif
780	if ( uiNumCand > 1 )
781	{
782	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
783	{
784	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
785	#if MRG_IDX_CTX_RED
786	if ( ui==0 )
787	{
788	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
789	}
790	else
791	{
792	m_pcBinIf->encodeBinEP( uiSymbol );
793	}
794	#else
795	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
796	#endif
797	if( uiSymbol == 0 )
798	{
799	break;
800	}
801	}
802	}
803	DTRACE_CABAC_VL( g_nSymbolCounter++ );
804	DTRACE_CABAC_T( "\tparseMergeIndex()" );
805	DTRACE_CABAC_T( "\tuiMRGIdx= " );
806	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
807	DTRACE_CABAC_T( "\n" );
808	}
809
810	#if HHI_INTER_VIEW_RESIDUAL_PRED
811	Void
812	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
813	{
814	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
815	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
816	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
817	}
818	#endif
819
820	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
821	{
822	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
823	return;
824
825	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
826	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
827
828	assert( uiCtx < 3 );
829	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
830	DTRACE_CABAC_VL( g_nSymbolCounter++ )
831	DTRACE_CABAC_T( "\tSplitFlag\n" )
832	return;
833	}
834
835	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
836	{
837	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
838	DTRACE_CABAC_VL( g_nSymbolCounter++ )
839	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
840	DTRACE_CABAC_T( "\tsymbol=" )
841	DTRACE_CABAC_V( uiSymbol )
842	DTRACE_CABAC_T( "\tctx=" )
843	DTRACE_CABAC_V( uiCtx )
844	DTRACE_CABAC_T( "\n" )
845	}
846
847	#if LGE_EDGE_INTRA
848	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
849	{
850	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
851	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
852	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
853	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
854	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
855	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
856	UInt uiSymbol;
857
858	// 1. Top(0) or Left(1)
859	uiSymbol = (bLeft == false) ? 0 : 1;
860	m_pcBinIf->encodeBinEP( uiSymbol );
861
862	// 2. Start position (lowest bit first)
863	uiSymbol = ucStart;
864	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
865	{
866	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
867	uiSymbol >>= 1;
868	}
869
870	// 3. Number of edges
871	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
872	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
873	{
874	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
875	uiSymbol >>= 1;
876	}
877
878	if(uiSymbol != 0)
879	{
880	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
881	assert(false);
882	}
883
884	// 4. Edges
885	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
886	{
887	UInt uiReorderSymbol = pucSymbolList[iPtr2];
888
889	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
890
891	// Left-friendly direction (Top start)
892	// 0 ( 0deg) => 0
893	// 1 ( 45deg) => 10
894	// 2 ( -45deg) => 110
895	// 3 ( 90deg) => 1110
896	// 4 ( -90deg) => 11110
897	// 5 ( 135deg) => 111110
898	// 6 (-135deg) => 111111
899	// Right-friendly direction (Left start)
900	// 0 ( 0deg) => 0
901	// 2 ( -45deg) => 10
902	// 1 ( 45deg) => 110
903	// 4 ( -90deg) => 1110
904	// 3 ( 90deg) => 11110
905	// 6 (-135deg) => 111110
906	// 5 ( 135deg) => 111111
907
908	// refer to a paper "An efficient chain code with Huffman coding"
909
910	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
911	{
912	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
913	}
914
915	if( uiReorderSymbol != 6 )
916	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
917	}
918	}
919	#endif
920
921	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
922	{
923	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
924
925	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
926	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
927	{
928	#if LGE_EDGE_INTRA
929	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
930	#else
931	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
932	#endif
933	}
934	#if LGE_EDGE_INTRA
935	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
936	#else
937	if( uiDir >= NUM_INTRA_MODE )
938	#endif
939	{
940	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
941	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
942
943	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
944	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
945	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
946
947	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
948	{
949	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
950	}
951	#else
952	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
953
954	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
955	{
956	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
957	}
958	#endif
959	#if HHI_DMM_WEDGE_INTRA
960	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
961	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
962	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
963	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
964	#endif
965	#if HHI_DMM_PRED_TEX
966	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
967	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
968	#endif
969	}
970	else
971	#if LGE_EDGE_INTRA
972	if ( uiDir >= EDGE_INTRA_IDX)
973	{
974	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
975	m_pcBinIf->encodeBinsEP( 63, 6 );
976	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
977	#if LGE_EDGE_INTRA_DELTA_DC
978	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
979	if( uiDir == EDGE_INTRA_DELTA_IDX )
980	{
981	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
982	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
983
984	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
985	if ( iDeltaDC0 != 0 )
986	{
987	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
988	m_pcBinIf->encodeBinEP( uiSign );
989	}
990	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
991	if ( iDeltaDC1 != 0 )
992	{
993	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
994	m_pcBinIf->encodeBinEP( uiSign );
995	}
996	}
997	#endif
998	}
999	else
1000	#endif // LGE_EDGE_INTRA
1001	{
1002	#endif
1003	#if !LOGI_INTRA_NAME_3MPM
1004	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1005	#endif
1006	#if LGE_EDGE_INTRA
1007	Bool bCodeEdgeIntra = false;
1008	if( pcCU->getSlice()->getSPS()->isDepth() )
1009	{
1010	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1011	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1012	bCodeEdgeIntra = true;
1013	}
1014	#endif
1015
1016	#if LOGI_INTRA_NAME_3MPM
1017	Int uiPreds[3] = {-1, -1, -1};
1018	#else
1019	Int uiPreds[2] = {-1, -1};
1020	#endif
1021	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1022
1023	Int uiPredIdx = -1;
1024
1025	for(UInt i = 0; i < uiPredNum; i++)
1026	{
1027	if(uiDir == uiPreds[i])
1028	{
1029	uiPredIdx = i;
1030	}
1031	}
1032
1033	if(uiPredIdx != -1)
1034	{
1035	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1036	#if LOGI_INTRA_NAME_3MPM
1037	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1038	if (uiPredIdx)
1039	{
1040	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1041	}
1042	#else
1043	m_pcBinIf->encodeBinEP( uiPredIdx );
1044	#endif
1045	}
1046	else
1047	{
1048	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1049
1050	#if LOGI_INTRA_NAME_3MPM
1051	if (uiPreds[0] > uiPreds[1])
1052	{
1053	std::swap(uiPreds[0], uiPreds[1]);
1054	}
1055	if (uiPreds[0] > uiPreds[2])
1056	{
1057	std::swap(uiPreds[0], uiPreds[2]);
1058	}
1059	if (uiPreds[1] > uiPreds[2])
1060	{
1061	std::swap(uiPreds[1], uiPreds[2]);
1062	}
1063	#endif
1064
1065	for(Int i = (uiPredNum - 1); i >= 0; i--)
1066	{
1067	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1068	}
1069
1070	#if LOGI_INTRA_NAME_3MPM
1071	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1072	#if LGE_EDGE_INTRA
1073	if (bCodeEdgeIntra)
1074	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1075	#endif
1076	#else
1077	if ( uiDir < 31 )
1078	{
1079	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1080	}
1081	else
1082	{
1083	m_pcBinIf->encodeBinsEP( 31, 5 );
1084	m_pcBinIf->encodeBinEP( uiDir - 31 );
1085	}
1086	#endif
1087	}
1088	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1089	}
1090	#endif
1091	return;
1092	}
1093
1094	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1095	{
1096	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1097
1098	if( uiIntraDirChroma == DM_CHROMA_IDX )
1099	{
1100	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1101	}
1102	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1103	{
1104	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1105	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1106	}
1107	else
1108	{
1109	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1110	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1111
1112	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1113	{
1114	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1115	{
1116	uiIntraDirChroma = i;
1117	break;
1118	}
1119	}
1120	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1121
1122	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1123	{
1124	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1125	}
1126	#if CHROMA_MODE_CODING
1127	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1128	#else
1129	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1130	#endif
1131	}
1132	return;
1133	}
1134
1135	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1136	{
1137	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1138	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1139	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1140	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1141
1142	return;
1143	}
1144
1145	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1146	{
1147	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1148	{
1149	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1150
1151	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1152	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1153
1154	if( iRefFrame > 0 )
1155	{
1156	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1157	}
1158	}
1159	else
1160	{
1161	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1162	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1163	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1164
1165	if( iRefFrame > 0 )
1166	{
1167	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1168	}
1169	}
1170	return;
1171	}
1172
1173	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1174	{
1175	#if H0111_MVD_L1_ZERO
1176	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1177	{
1178	return;
1179	}
1180	#endif
1181
1182	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1183	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1184	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1185	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1186
1187	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1188	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1189
1190	const Bool bHorAbsGr0 = iHor != 0;
1191	const Bool bVerAbsGr0 = iVer != 0;
1192	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1193	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1194	pCtx++;
1195
1196	if( bHorAbsGr0 )
1197	{
1198	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1199	}
1200
1201	if( bVerAbsGr0 )
1202	{
1203	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1204	}
1205
1206	if( bHorAbsGr0 )
1207	{
1208	if( uiHorAbs > 1 )
1209	{
1210	xWriteEpExGolomb( uiHorAbs-2, 1 );
1211	}
1212
1213	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1214	}
1215
1216	if( bVerAbsGr0 )
1217	{
1218	if( uiVerAbs > 1 )
1219	{
1220	xWriteEpExGolomb( uiVerAbs-2, 1 );
1221	}
1222
1223	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1224	}
1225
1226	return;
1227	}
1228
1229	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1230	{
1231	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1232
1233	#if H0736_AVC_STYLE_QP_RANGE
1234	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1235	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1236	#else
1237	#if LOSSLESS_CODING
1238	if(pcCU->getSlice()->getSPS()->getUseLossless())
1239	{
1240	if(iDQp > 25)
1241	{
1242	iDQp = iDQp - 52;
1243	}
1244	if(iDQp < -26)
1245	{
1246	iDQp = iDQp + 52;
1247	}
1248	}
1249	#endif
1250	#endif
1251
1252	if ( iDQp == 0 )
1253	{
1254	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1255	}
1256	else
1257	{
1258	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1259
1260	UInt uiSign = (iDQp > 0 ? 0 : 1);
1261	#if !H0736_AVC_STYLE_QP_RANGE
1262	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1263	#endif
1264
1265	m_pcBinIf->encodeBinEP(uiSign);
1266
1267	#if H0736_AVC_STYLE_QP_RANGE
1268	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1269	assert(iDQp <= (25+(qpBdOffsetY/2)));
1270
1271	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1272	#else
1273	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1274	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1275
1276	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1277	#endif
1278	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1279	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1280	}
1281
1282	return;
1283	}
1284
1285	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1286	{
1287	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1288	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1289	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1290	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1291	DTRACE_CABAC_T( "\tparseQtCbf()" )
1292	DTRACE_CABAC_T( "\tsymbol=" )
1293	DTRACE_CABAC_V( uiCbf )
1294	DTRACE_CABAC_T( "\tctx=" )
1295	DTRACE_CABAC_V( uiCtx )
1296	DTRACE_CABAC_T( "\tetype=" )
1297	DTRACE_CABAC_V( eType )
1298	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1299	DTRACE_CABAC_V( uiAbsPartIdx )
1300	DTRACE_CABAC_T( "\n" )
1301	}
1302
1303	#if BURST_IPCM
1304	/** Code I_PCM information.
1305	* \param pcCU pointer to CU
1306	* \param uiAbsPartIdx CU index
1307	* \param numIPCM the number of succesive IPCM blocks with the same size
1308	* \param firstIPCMFlag
1309	* \returns Void
1310	*/
1311	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1312	#else
1313	/** Code I_PCM information.
1314	* \param pcCU pointer to CU
1315	* \param uiAbsPartIdx CU index
1316	* \returns Void
1317	*
1318	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1319	*/
1320	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1321	#endif
1322	{
1323	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1324
1325	#if BURST_IPCM
1326	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1327
1328	if( uiIPCM == 0 \|\| firstIPCMFlag)
1329	{
1330	m_pcBinIf->encodeBinTrm (uiIPCM);
1331
1332	if ( firstIPCMFlag )
1333	{
1334	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1335	m_pcBinIf->encodePCMAlignBits();
1336	}
1337	}
1338	#else
1339	m_pcBinIf->encodeBinTrm (uiIPCM);
1340	#endif
1341
1342	#if BURST_IPCM
1343	if (writePCMSampleFlag)
1344	#else
1345	if (uiIPCM)
1346	#endif
1347	{
1348	#if !BURST_IPCM
1349	m_pcBinIf->encodePCMAlignBits();
1350	#endif
1351	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1352	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1353	UInt uiChromaOffset = uiLumaOffset>>2;
1354	Pel* piPCMSample;
1355	UInt uiWidth;
1356	UInt uiHeight;
1357	UInt uiSampleBits;
1358	UInt uiX, uiY;
1359
1360	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1361	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1362	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1363	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1364
1365	for(uiY = 0; uiY < uiHeight; uiY++)
1366	{
1367	for(uiX = 0; uiX < uiWidth; uiX++)
1368	{
1369	UInt uiSample = piPCMSample[uiX];
1370
1371	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1372	}
1373	piPCMSample += uiWidth;
1374	}
1375
1376	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1377	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1378	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1379	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1380
1381	for(uiY = 0; uiY < uiHeight; uiY++)
1382	{
1383	for(uiX = 0; uiX < uiWidth; uiX++)
1384	{
1385	UInt uiSample = piPCMSample[uiX];
1386
1387	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1388	}
1389	piPCMSample += uiWidth;
1390	}
1391
1392	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1393	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1394	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1395	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1396
1397	for(uiY = 0; uiY < uiHeight; uiY++)
1398	{
1399	for(uiX = 0; uiX < uiWidth; uiX++)
1400	{
1401	UInt uiSample = piPCMSample[uiX];
1402
1403	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1404	}
1405	piPCMSample += uiWidth;
1406	}
1407	#if BURST_IPCM
1408	numIPCM--;
1409	if(numIPCM == 0)
1410	{
1411	m_pcBinIf->resetBac();
1412	}
1413	#else
1414	m_pcBinIf->resetBac();
1415	#endif
1416	}
1417	}
1418
1419	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1420	{
1421	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1422	UInt uiCtx = 0;
1423	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1424	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1425	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1426	DTRACE_CABAC_T( "\tsymbol=" )
1427	DTRACE_CABAC_V( uiCbf )
1428	DTRACE_CABAC_T( "\tctx=" )
1429	DTRACE_CABAC_V( uiCtx )
1430	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1431	DTRACE_CABAC_V( uiAbsPartIdx )
1432	DTRACE_CABAC_T( "\n" )
1433	}
1434
1435	/** Encode (X,Y) position of the last significant coefficient
1436	* \param uiPosX X component of last coefficient
1437	* \param uiPosY Y component of last coefficient
1438	* \param width Block width
1439	* \param height Block height
1440	* \param eTType plane type / luminance or chrominance
1441	* \param uiScanIdx scan type (zig-zag, hor, ver)
1442	* This method encodes the X and Y component within a block of the last significant coefficient.
1443	*/
1444	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1445	{
1446	// swap
1447	if( uiScanIdx == SCAN_VER )
1448	{
1449	swap( uiPosX, uiPosY );
1450	}
1451
1452	UInt uiCtxLast;
1453	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1454	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1455	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1456	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1457
1458	// posX
1459	#if LAST_CTX_REDUCTION
1460	Int widthCtx = eTType? 4: width;
1461	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1462	#else
1463	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1464	#endif
1465	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1466	{
1467	#if LAST_CTX_REDUCTION
1468	if (eTType)
1469	{
1470	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1471	}
1472	else
1473	{
1474	#endif
1475	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1476	#if LAST_CTX_REDUCTION
1477	}
1478	#endif
1479	}
1480	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1481	{
1482	#if LAST_CTX_REDUCTION
1483	if ( eTType )
1484	{
1485	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1486	}
1487	else
1488	{
1489	#endif
1490	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1491	#if LAST_CTX_REDUCTION
1492	}
1493	#endif
1494	}
1495
1496	// posY
1497	#if LAST_CTX_REDUCTION
1498	Int heightCtx = eTType? 4: height;
1499	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1500	#else
1501	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1502	#endif
1503	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1504	{
1505	#if LAST_CTX_REDUCTION
1506	if (eTType)
1507	{
1508	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1509	}
1510	else
1511	{
1512	#endif
1513	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1514	#if LAST_CTX_REDUCTION
1515	}
1516	#endif
1517	}
1518	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1519	{
1520	#if LAST_CTX_REDUCTION
1521	if (eTType)
1522	{
1523	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1524	}
1525	else
1526	{
1527	#endif
1528	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1529	#if LAST_CTX_REDUCTION
1530	}
1531	#endif
1532	}
1533	if ( uiGroupIdxX > 3 )
1534	{
1535	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1536	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1537	for (Int i = uiCount - 1 ; i >= 0; i-- )
1538	{
1539	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1540	}
1541	}
1542	if ( uiGroupIdxY > 3 )
1543	{
1544	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1545	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1546	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1547	{
1548	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1549	}
1550	}
1551	}
1552
1553	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1554	{
1555	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1556	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1557	DTRACE_CABAC_V( eTType )
1558	DTRACE_CABAC_T( "\twidth=" )
1559	DTRACE_CABAC_V( uiWidth )
1560	DTRACE_CABAC_T( "\theight=" )
1561	DTRACE_CABAC_V( uiHeight )
1562	DTRACE_CABAC_T( "\tdepth=" )
1563	DTRACE_CABAC_V( uiDepth )
1564	DTRACE_CABAC_T( "\tabspartidx=" )
1565	DTRACE_CABAC_V( uiAbsPartIdx )
1566	DTRACE_CABAC_T( "\ttoCU-X=" )
1567	DTRACE_CABAC_V( pcCU->getCUPelX() )
1568	DTRACE_CABAC_T( "\ttoCU-Y=" )
1569	DTRACE_CABAC_V( pcCU->getCUPelY() )
1570	DTRACE_CABAC_T( "\tCU-addr=" )
1571	DTRACE_CABAC_V( pcCU->getAddr() )
1572	DTRACE_CABAC_T( "\tinCU-X=" )
1573	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1574	DTRACE_CABAC_T( "\tinCU-Y=" )
1575	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1576	DTRACE_CABAC_T( "\tpredmode=" )
1577	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1578	DTRACE_CABAC_T( "\n" )
1579
1580	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1581	{
1582	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1583	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1584	}
1585
1586	UInt uiNumSig = 0;
1587
1588	// compute number of significant coefficients
1589	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1590
1591	if ( uiNumSig == 0 )
1592	return;
1593
1594	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1595
1596	//----- encode significance map -----
1597	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1598	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1599	if (uiScanIdx == SCAN_ZIGZAG)
1600	{
1601	// Map zigzag to diagonal scan
1602	uiScanIdx = SCAN_DIAG;
1603	}
1604	Int blockType = uiLog2BlockSize;
1605	if (uiWidth != uiHeight)
1606	{
1607	uiScanIdx = SCAN_DIAG;
1608	blockType = 4;
1609	}
1610
1611	const UInt * scan;
1612	if (uiWidth == uiHeight)
1613	{
1614	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1615	}
1616	else
1617	{
1618	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1619	}
1620
1621	#if MULTIBITS_DATA_HIDING
1622	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1623	#if LOSSLESS_CODING
1624	Bool beValid;
1625	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1626	{
1627	beValid = false;
1628	}
1629	else
1630	{
1631	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1632	}
1633	#else
1634	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1635	#endif
1636	#endif
1637
1638	// Find position of last coefficient
1639	Int scanPosLast = -1;
1640	Int posLast;
1641
1642	const UInt * scanCG;
1643	if (uiWidth == uiHeight)
1644	{
1645	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1646	#if MULTILEVEL_SIGMAP_EXT
1647	if( uiLog2BlockSize == 3 )
1648	{
1649	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1650	}
1651	else if( uiLog2BlockSize == 5 )
1652	{
1653	scanCG = g_sigLastScanCG32x32;
1654	}
1655	#endif
1656	}
1657	else
1658	{
1659	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1660	}
1661	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1662	static const UInt uiShift = MLS_CG_SIZE >> 1;
1663	const UInt uiNumBlkSide = uiWidth >> uiShift;
1664
1665	#if !MULTILEVEL_SIGMAP_EXT
1666	if( blockType > 3 )
1667	{
1668	#endif
1669	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1670
1671	do
1672	{
1673	posLast = scan[ ++scanPosLast ];
1674
1675	// get L1 sig map
1676	UInt uiPosY = posLast >> uiLog2BlockSize;
1677	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1678	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1679	#if MULTILEVEL_SIGMAP_EXT
1680	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1681	{
1682	if( uiScanIdx == SCAN_HOR )
1683	{
1684	uiBlkIdx = uiPosY >> 1;
1685	}
1686	else if( uiScanIdx == SCAN_VER )
1687	{
1688	uiBlkIdx = uiPosX >> 1;
1689	}
1690	}
1691	#endif
1692	if( pcCoef[ posLast ] )
1693	{
1694	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1695	}
1696
1697	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1698	}
1699	while ( uiNumSig > 0 );
1700	#if !MULTILEVEL_SIGMAP_EXT
1701	}
1702	else
1703	{
1704
1705	do
1706	{
1707	posLast = scan[ ++scanPosLast ];
1708	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1709	}
1710	while ( uiNumSig > 0 );
1711
1712	}
1713	#endif
1714
1715	// Code position of last coefficient
1716	Int posLastY = posLast >> uiLog2BlockSize;
1717	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1718	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1719
1720	//===== code significance flag =====
1721	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1722	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1723
1724
1725	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1726	UInt uiNumOne = 0;
1727	UInt uiGoRiceParam = 0;
1728	Int iScanPosSig = scanPosLast;
1729
1730	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1731	{
1732	Int numNonZero = 0;
1733	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1734	uiGoRiceParam = 0;
1735	Int absCoeff[16];
1736	UInt coeffSigns = 0;
1737
1738	#if MULTIBITS_DATA_HIDING
1739	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1740	#endif
1741
1742	if( iScanPosSig == scanPosLast )
1743	{
1744	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1745	coeffSigns = ( pcCoef[ posLast ] < 0 );
1746	numNonZero = 1;
1747	#if MULTIBITS_DATA_HIDING
1748	lastNZPosInCG = iScanPosSig;
1749	firstNZPosInCG = iScanPosSig;
1750	#endif
1751	iScanPosSig--;
1752	}
1753
1754	#if !MULTILEVEL_SIGMAP_EXT
1755	if( blockType > 3 )
1756	{
1757	#endif
1758	// encode significant_coeffgroup_flag
1759	Int iCGBlkPos = scanCG[ iSubSet ];
1760	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1761	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1762	#if MULTILEVEL_SIGMAP_EXT
1763	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1764	{
1765	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1766	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1767	}
1768	#endif
1769	#if !REMOVE_INFER_SIGGRP
1770	Bool bInferredCGFlag = false;
1771	#endif
1772	#if REMOVE_INFER_SIGGRP
1773	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1774	#else
1775	if( iSubSet == iLastScanSet )
1776	#endif
1777	{
1778	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1779	}
1780	else
1781	{
1782	#if !REMOVE_INFER_SIGGRP
1783	#if MULTILEVEL_SIGMAP_EXT
1784	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1785	#else
1786	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1787	#endif
1788	{
1789	#endif
1790	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1791	#if MULTILEVEL_SIGMAP_EXT
1792	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1793	#else
1794	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1795	#endif
1796	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1797	#if !REMOVE_INFER_SIGGRP
1798	}
1799	else
1800	{
1801	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1802	bInferredCGFlag = true;
1803	}
1804	#endif
1805	}
1806
1807	// encode significant_coeff_flag
1808	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1809	{
1810	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1811	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1812	{
1813	uiBlkPos = scan[ iScanPosSig ];
1814	uiPosY = uiBlkPos >> uiLog2BlockSize;
1815	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1816	uiSig = (pcCoef[ uiBlkPos ] != 0);
1817	#if REMOVE_INFER_SIGGRP
1818	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1819	#else
1820	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1821	#endif
1822	{
1823	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1824	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1825	}
1826	if( uiSig )
1827	{
1828	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1829	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1830	numNonZero++;
1831	#if MULTIBITS_DATA_HIDING
1832	if( lastNZPosInCG == -1 )
1833	{
1834	lastNZPosInCG = iScanPosSig;
1835	}
1836	firstNZPosInCG = iScanPosSig;
1837	#endif
1838	}
1839	}
1840	}
1841	else
1842	{
1843	iScanPosSig = iSubPos - 1;
1844	}
1845	#if !MULTILEVEL_SIGMAP_EXT
1846	}
1847	else
1848	{
1849
1850	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1851	{
1852	UInt uiBlkPos = scan[ iScanPosSig ];
1853	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1854	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1855	UInt uiSig = 0;
1856	if( pcCoef[ uiBlkPos ] != 0 )
1857	{
1858	uiSig = 1;
1859	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1860	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1861	numNonZero++;
1862	#if MULTIBITS_DATA_HIDING
1863	if( lastNZPosInCG == -1 )
1864	{
1865	lastNZPosInCG = iScanPosSig;
1866	}
1867	firstNZPosInCG = iScanPosSig;
1868	#endif
1869	}
1870	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1871	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1872	}
1873
1874	}
1875	#endif
1876
1877	if( numNonZero > 0 )
1878	{
1879	#if MULTIBITS_DATA_HIDING
1880	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1881	#endif // MULTIBITS_DATA_HIDING
1882
1883	UInt c1 = 1;
1884	#if !RESTRICT_GR1GR2FLAG_NUMBER
1885	UInt c2 = 0;
1886	#endif
1887	#if LEVEL_CTX_LUMA_RED
1888	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1889	#else
1890	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1891	#endif
1892
1893	if( uiNumOne > 0 )
1894	{
1895	uiCtxSet++;
1896	#if !LEVEL_CTX_LUMA_RED
1897	if( uiNumOne > 3 && eTType==TEXT_LUMA)
1898	{
1899	uiCtxSet++;
1900	}
1901	#endif
1902	}
1903
1904	uiNumOne >>= 1;
1905	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1906
1907	#if RESTRICT_GR1GR2FLAG_NUMBER
1908	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1909	Int firstC2FlagIdx = -1;
1910	for( Int idx = 0; idx < numC1Flag; idx++ )
1911	#else
1912	for ( Int idx = 0; idx < numNonZero; idx++ )
1913	#endif
1914	{
1915	UInt uiSymbol = absCoeff[ idx ] > 1;
1916	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1917	if( uiSymbol )
1918	{
1919	c1 = 0;
1920
1921	#if RESTRICT_GR1GR2FLAG_NUMBER
1922	if (firstC2FlagIdx == -1)
1923	{
1924	firstC2FlagIdx = idx;
1925	}
1926	#endif
1927	}
1928	else if( (c1 < 3) && (c1 > 0) )
1929	{
1930	c1++;
1931	}
1932	}
1933
1934	if (c1 == 0)
1935	{
1936
1937	#if RESTRICT_GR1GR2FLAG_NUMBER
1938	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1939	if ( firstC2FlagIdx != -1)
1940	{
1941	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1942	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1943	}
1944	#else
1945	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
1946	for ( Int idx = 0; idx < numNonZero; idx++ )
1947	{
1948	if( absCoeff[ idx ] > 1 )
1949	{
1950	UInt symbol = absCoeff[ idx ] > 2;
1951	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
1952	c2 += (c2 < 2);
1953	uiNumOne++;
1954	}
1955	}
1956	#endif
1957	}
1958
1959	#if MULTIBITS_DATA_HIDING
1960	if( beValid && signHidden )
1961	{
1962	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1963	}
1964	else
1965	{
1966	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1967	}
1968	#else
1969	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1970	#endif
1971
1972	#if RESTRICT_GR1GR2FLAG_NUMBER
1973	Int iFirstCoeff2 = 1;
1974	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1975	#else
1976	if (c1 == 0)
1977	#endif
1978	{
1979	for ( Int idx = 0; idx < numNonZero; idx++ )
1980	{
1981	#if RESTRICT_GR1GR2FLAG_NUMBER
1982	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1983
1984	if( absCoeff[ idx ] >= baseLevel)
1985	{
1986	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1987	}
1988	if(absCoeff[ idx ] >= 2)
1989	{
1990	iFirstCoeff2 = 0;
1991	uiNumOne++;
1992	}
1993	#else
1994	if ( absCoeff[ idx ] > 2 )
1995	{
1996	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
1997	}
1998	#endif
1999	}
2000	}
2001	}
2002	else
2003	{
2004	uiNumOne >>= 1;
2005	}
2006	}
2007
2008	return;
2009	}
2010
2011	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2012	{
2013	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2014	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2015	}
2016
2017	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2018	{
2019	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2020	}
2021
2022	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2023	{
2024	Int i;
2025
2026	if ( uiCode == 0 )
2027	{
2028	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2029	}
2030	else
2031	{
2032	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2033	for ( i=0; i<uiCode-1; i++ )
2034	{
2035	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2036	}
2037	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2038	}
2039	}
2040
2041	Void TEncSbac::codeAlfSvlc ( Int iCode )
2042	{
2043	Int i;
2044
2045	if ( iCode == 0 )
2046	{
2047	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2048	}
2049	else
2050	{
2051	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2052
2053	// write sign
2054	if ( iCode > 0 )
2055	{
2056	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2057	}
2058	else
2059	{
2060	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2061	iCode = -iCode;
2062	}
2063
2064	// write magnitude
2065	for ( i=0; i<iCode-1; i++ )
2066	{
2067	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2068	}
2069	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2070	}
2071	}
2072
2073	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2074	{
2075	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2076	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2077	}
2078
2079	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2080	{
2081	Int i;
2082
2083	if ( uiCode == 0 )
2084	{
2085	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2086	}
2087	else
2088	{
2089	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2090	for ( i=0; i<uiCode-1; i++ )
2091	{
2092	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2093	}
2094	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2095	}
2096	}
2097
2098	Void TEncSbac::codeSaoSvlc ( Int iCode )
2099	{
2100	Int i;
2101
2102	if ( iCode == 0 )
2103	{
2104	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2105	}
2106	else
2107	{
2108	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2109
2110	// write sign
2111	if ( iCode > 0 )
2112	{
2113	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2114	}
2115	else
2116	{
2117	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2118	iCode = -iCode;
2119	}
2120
2121	// write magnitude
2122	for ( i=0; i<iCode-1; i++ )
2123	{
2124	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2125	}
2126	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2127	}
2128	}
2129	#if SAO_UNIT_INTERLEAVING
2130	/** Code SAO band position
2131	* \param uiCode
2132	*/
2133	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2134	{
2135	for (Int i=0;i<5;i++)
2136	{
2137	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2138	}
2139	}
2140	/** Code SAO merge left flag
2141	* \param uiCode
2142	* \param uiCompIdx
2143	*/
2144	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2145	{
2146	if (uiCode == 0)
2147	{
2148	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2149	}
2150	else
2151	{
2152	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2153	}
2154	}
2155	/** Code SAO merge up flag
2156	* \param uiCode
2157	*/
2158	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2159	{
2160	if (uiCode == 0)
2161	{
2162	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2163	}
2164	else
2165	{
2166	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2167	}
2168	}
2169	/** Code SAO type index
2170	* \param uiCode
2171	*/
2172	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2173	{
2174	Int i;
2175	if ( uiCode == 0 )
2176	{
2177	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2178	}
2179	else
2180	{
2181	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2182	for ( i=0; i<uiCode-1; i++ )
2183	{
2184	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2185	}
2186	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2187	}
2188	}
2189	#endif
2190	/*!
2191	****************************************************************************
2192	* \brief
2193	* estimate bit cost for CBP, significant map and significant coefficients
2194	****************************************************************************
2195	*/
2196	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2197	{
2198	estCBFBit( pcEstBitsSbac, 0, eTType );
2199
2200	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2201
2202	// encode significance map
2203	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2204
2205	// encode significant coefficients
2206	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2207	}
2208
2209	/*!
2210	****************************************************************************
2211	* \brief
2212	* estimate bit cost for each CBP bit
2213	****************************************************************************
2214	*/
2215	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2216	{
2217	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2218
2219	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2220	{
2221	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2222	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2223	}
2224
2225	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2226
2227	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2228	{
2229	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2230	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2231	}
2232	}
2233
2234
2235	/*!
2236	****************************************************************************
2237	* \brief
2238	* estimate SAMBAC bit cost for significant coefficient group map
2239	****************************************************************************
2240	*/
2241	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2242	{
2243	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2244
2245	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2246	{
2247	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2248	{
2249	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2250	}
2251	}
2252	}
2253
2254
2255	/*!
2256	****************************************************************************
2257	* \brief
2258	* estimate SAMBAC bit cost for significant coefficient map
2259	****************************************************************************
2260	*/
2261	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2262	{
2263	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2264	if (std::max(width, height) >= 16)
2265	{
2266	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2267	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2268	}
2269	else if (width == 8)
2270	{
2271	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2272	numCtx = 11;
2273	}
2274
2275	if (eTType == TEXT_LUMA )
2276	{
2277	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2278	{
2279	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2280	{
2281	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2282	}
2283	}
2284	}
2285	else
2286	{
2287	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2288	{
2289	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2290	{
2291	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2292	}
2293	}
2294	}
2295	Int iBitsX = 0, iBitsY = 0;
2296	const UInt *puiCtxIdx;
2297	Int ctx;
2298	#if LAST_CTX_REDUCTION
2299	Int widthCtx = eTType? 4 : width;
2300	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2301	#else
2302	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2303	#endif
2304	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2305	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2306	{
2307	Int ctxOffset = puiCtxIdx[ ctx ];
2308	#if LAST_CTX_REDUCTION
2309	if (eTType)
2310	{
2311	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2312	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2313	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2314	}
2315	else
2316	{
2317	#endif
2318	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2319	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2320	#if LAST_CTX_REDUCTION
2321	}
2322	#endif
2323	}
2324	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2325
2326	#if LAST_CTX_REDUCTION
2327	Int heightCtx = eTType? 4 : height;
2328	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2329	#else
2330	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2331	#endif
2332	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2333	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2334	{
2335	Int ctxOffset = puiCtxIdx[ ctx ];
2336	#if LAST_CTX_REDUCTION
2337	if (eTType)
2338	{
2339	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2340	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2341	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2342	}
2343	else
2344	{
2345	#endif
2346	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2347	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2348	#if LAST_CTX_REDUCTION
2349	}
2350	#endif
2351	}
2352	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2353	}
2354
2355	/*!
2356	****************************************************************************
2357	* \brief
2358	* estimate bit cost of significant coefficient
2359	****************************************************************************
2360	*/
2361	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2362	{
2363	if (eTType==TEXT_LUMA)
2364	{
2365	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2366	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2367
2368	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2369	{
2370	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2371	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2372	}
2373
2374	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2375	{
2376	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2377	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2378	}
2379	}
2380	else
2381	{
2382	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2383	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2384
2385	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2386	{
2387	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2388	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2389	}
2390
2391	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2392	{
2393	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2394	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2395	}
2396	}
2397	}
2398
2399	/**
2400	- Initialize our context information from the nominated source.
2401	.
2402	\param pSrc From where to copy context information.
2403	*/
2404	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2405	{
2406	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2407	}
2408
2409	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2410	{
2411	this->xCopyContextsFrom(pScr);
2412	}
2413
2414	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC)
2415	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2416	{
2417	if( uiSymbol )
2418	{
2419	m_pcBinIf->encodeBin( 1, rcSCModel );
2420	UInt uiCount = 0;
2421	Bool bNoExGo = (uiSymbol < 13);
2422
2423	while( --uiSymbol && ++uiCount < 13 )
2424	{
2425	m_pcBinIf->encodeBin( 1, rcSCModel );
2426	}
2427	if( bNoExGo )
2428	{
2429	m_pcBinIf->encodeBin( 0, rcSCModel );
2430	}
2431	else
2432	{
2433	xWriteEpExGolomb( uiSymbol, 0 );
2434	}
2435	}
2436	else
2437	{
2438	m_pcBinIf->encodeBin( 0, rcSCModel );
2439	}
2440
2441	return;
2442	}
2443	#endif
2444	#if HHI_DMM_WEDGE_INTRA
2445	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2446	{
2447	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2448	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2449
2450	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2451
2452	for ( Int i = 0; i < iBits; i++ )
2453	{
2454	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2455	}
2456	}
2457
2458	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2459	{
2460	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2461	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2462
2463	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2464
2465	for ( Int i = 0; i < iBits; i++ )
2466	{
2467	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2468	}
2469
2470	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2471	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2472
2473	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2474	if ( iDeltaDC1 != 0 )
2475	{
2476	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2477	m_pcBinIf->encodeBinEP( uiSign );
2478	}
2479	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2480	if ( iDeltaDC2 != 0 )
2481	{
2482	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2483	m_pcBinIf->encodeBinEP( uiSign );
2484	}
2485	}
2486
2487	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2488	{
2489	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2490	{
2491	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2492	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2493
2494	if( iDeltaEnd != 0 )
2495	{
2496	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2497	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2498	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2499
2500	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2501	m_pcBinIf->encodeBinEP( uiSign );
2502	}
2503	}
2504	}
2505
2506	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2507	{
2508	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2509	{
2510	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2511	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2512
2513	if( iDeltaEnd != 0 )
2514	{
2515	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2516	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2517	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2518
2519	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2520	m_pcBinIf->encodeBinEP( uiSign );
2521	}
2522	}
2523
2524	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2525	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2526
2527	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2528	if ( iDeltaDC1 != 0 )
2529	{
2530	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2531	m_pcBinIf->encodeBinEP( uiSign );
2532	}
2533	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2534	if ( iDeltaDC2 != 0 )
2535	{
2536	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2537	m_pcBinIf->encodeBinEP( uiSign );
2538	}
2539	}
2540	#endif
2541	#if HHI_DMM_PRED_TEX
2542	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2543	{
2544	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2545	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2546
2547	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2548	if ( iDeltaDC1 != 0 )
2549	{
2550	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2551	m_pcBinIf->encodeBinEP( uiSign );
2552	}
2553	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2554	if ( iDeltaDC2 != 0 )
2555	{
2556	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2557	m_pcBinIf->encodeBinEP( uiSign );
2558	}
2559	}
2560
2561	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2562	{
2563	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2564	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2565
2566	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2567	if ( iDeltaDC1 != 0 )
2568	{
2569	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2570	m_pcBinIf->encodeBinEP( uiSign );
2571	}
2572	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2573	if ( iDeltaDC2 != 0 )
2574	{
2575	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2576	m_pcBinIf->encodeBinEP( uiSign );
2577	}
2578	}
2579	#endif
2580	//! \}

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