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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 OL_DEPTHLIMIT
583	UInt uiSymbol;
584	#endif
585	if ( pcCU->isIntra( uiAbsPartIdx ) )
586	{
587	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
588	{
589	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
590	#if OL_DEPTHLIMIT
591	if(pcCU->getPartDumpFlag())
592	{
593	uiSymbol = (UInt)(eSize == SIZE_2Nx2N? 1 : 0);
594	pcCU->updatePartInfo(uiSymbol?0:1,uiDepth); //0 for 2Nx2N and 1 for NxN
595	pcCU->incrementPartInfo();
596	}
597	#endif
598	}
599	#if OL_DEPTHLIMIT
600	if(pcCU->getPartDumpFlag() && uiDepth < g_uiMaxCUDepth - g_uiAddCUDepth && !pcCU->getSlice()->isIntra())
601	{
602	pcCU->updatePartInfo(0,uiDepth); //0 for 2Nx2N and 1 for NxN
603	pcCU->incrementPartInfo();
604	}
605	#endif
606	return;
607	}
608
609	switch(eSize)
610	{
611	case SIZE_2Nx2N:
612	{
613	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
614	#if OL_DEPTHLIMIT
615	if(pcCU->getPartDumpFlag())
616	{
617	// if (!pcCU->isIntra( uiAbsPartIdx ))
618	{
619	pcCU->updatePartInfo(0,uiDepth); //0 for 2Nx2N
620	pcCU->incrementPartInfo();
621	}
622	}
623	#endif
624	break;
625	}
626	case SIZE_2NxN:
627	case SIZE_2NxnU:
628	case SIZE_2NxnD:
629	{
630	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
631	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
632	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
633	{
634	if (eSize == SIZE_2NxN)
635	{
636	#if AMP_CTX
637	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
638	#else
639	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
640	#endif
641	}
642	else
643	{
644	#if AMP_CTX
645	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
646	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
647	#else
648	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
649	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
650	#endif
651	}
652	}
653	#if OL_DEPTHLIMIT
654	if(pcCU->getPartDumpFlag())
655	{
656	// if (!pcCU->isIntra( uiAbsPartIdx ))
657	{
658	pcCU->updatePartInfo(2,uiDepth); //2 for 2NxN
659	pcCU->incrementPartInfo();
660	}
661	}
662	#endif
663	break;
664	}
665	case SIZE_Nx2N:
666	case SIZE_nLx2N:
667	case SIZE_nRx2N:
668	{
669	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
670	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
671	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
672	{
673	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
674	}
675	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
676	{
677	if (eSize == SIZE_Nx2N)
678	{
679	#if AMP_CTX
680	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
681	#else
682	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
683	#endif
684	}
685	else
686	{
687	#if AMP_CTX
688	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
689	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
690	#else
691	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
692	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
693	#endif
694	}
695	}
696	#if OL_DEPTHLIMIT
697	if(pcCU->getPartDumpFlag())
698	{
699	// if (!pcCU->isIntra( uiAbsPartIdx ))
700	{
701	pcCU->updatePartInfo(3,uiDepth); //3 for Nx2N
702	pcCU->incrementPartInfo();
703	}
704	}
705	#endif
706	break;
707	}
708	case SIZE_NxN:
709	{
710	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
711	{
712	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
713	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
714	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
715	#if OL_DEPTHLIMIT
716	if(pcCU->getPartDumpFlag())
717	{
718	//if (!pcCU->getSlice()->isIntra())
719	{
720	pcCU->updatePartInfo(1,uiDepth); //2Nx2N here since we disable NxN in Inter
721	pcCU->incrementPartInfo();
722	}
723	}
724	#endif
725	}
726	else
727	{
728	#if OL_DEPTHLIMIT
729	if(pcCU->getPartDumpFlag())
730	{
731	//if (!pcCU->getSlice()->isIntra())
732	{
733	pcCU->updatePartInfo(0,uiDepth); //2Nx2N here since we disable NxN in Inter
734	pcCU->incrementPartInfo();
735	}
736	}
737	#endif
738	}
739	break;
740	}
741	default:
742	{
743	assert(0);
744	}
745	}
746	}
747
748	/** code prediction mode
749	* \param pcCU
750	* \param uiAbsPartIdx
751	* \returns Void
752	*/
753	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
754	{
755	// get context function is here
756	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
757	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
758	}
759
760	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
761	{
762	if (!m_bAlfCtrl)
763	return;
764
765	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
766	{
767	return;
768	}
769
770	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
771	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
772	}
773
774	Void TEncSbac::codeAlfCtrlDepth()
775	{
776	if (!m_bAlfCtrl)
777	return;
778
779	UInt uiDepth = m_uiMaxAlfCtrlDepth;
780	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
781	}
782
783	/** code skip flag
784	* \param pcCU
785	* \param uiAbsPartIdx
786	* \returns Void
787	*/
788	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
789	{
790	// get context function is here
791	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
792	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
793	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
794	DTRACE_CABAC_VL( g_nSymbolCounter++ );
795	DTRACE_CABAC_T( "\tSkipFlag" );
796	DTRACE_CABAC_T( "\tuiCtxSkip: ");
797	DTRACE_CABAC_V( uiCtxSkip );
798	DTRACE_CABAC_T( "\tuiSymbol: ");
799	DTRACE_CABAC_V( uiSymbol );
800	DTRACE_CABAC_T( "\n");
801	}
802
803	/** code merge flag
804	* \param pcCU
805	* \param uiAbsPartIdx
806	* \returns Void
807	*/
808	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
809	{
810	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
811	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
812
813	DTRACE_CABAC_VL( g_nSymbolCounter++ );
814	DTRACE_CABAC_T( "\tMergeFlag: " );
815	DTRACE_CABAC_V( uiSymbol );
816	DTRACE_CABAC_T( "\tAddress: " );
817	DTRACE_CABAC_V( pcCU->getAddr() );
818	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
819	DTRACE_CABAC_V( uiAbsPartIdx );
820	DTRACE_CABAC_T( "\n" );
821	}
822
823	/** code merge index
824	* \param pcCU
825	* \param uiAbsPartIdx
826	* \returns Void
827	*/
828	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
829	{
830	UInt uiNumCand = MRG_MAX_NUM_CANDS;
831	#if !MRG_IDX_CTX_RED
832	UInt auiCtx[4] = { 0, 1, 2, 3 };
833	#endif
834	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
835	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
836	#if HHI_MPI
837	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
838	if( bMVIAvailable )
839	{
840	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
841	if( bUseMVI )
842	{
843	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
844	}
845	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
846	{
847	uiUnaryIdx++;
848	}
849	}
850	#endif
851	if ( uiNumCand > 1 )
852	{
853	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
854	{
855	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
856	#if MRG_IDX_CTX_RED
857	if ( ui==0 )
858	{
859	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
860	}
861	else
862	{
863	m_pcBinIf->encodeBinEP( uiSymbol );
864	}
865	#else
866	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
867	#endif
868	if( uiSymbol == 0 )
869	{
870	break;
871	}
872	}
873	}
874	DTRACE_CABAC_VL( g_nSymbolCounter++ );
875	DTRACE_CABAC_T( "\tparseMergeIndex()" );
876	DTRACE_CABAC_T( "\tuiMRGIdx= " );
877	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
878	DTRACE_CABAC_T( "\n" );
879	}
880
881	#if HHI_INTER_VIEW_RESIDUAL_PRED
882	Void
883	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
884	{
885	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
886	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
887	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
888	}
889	#endif
890
891	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
892	{
893	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
894	return;
895
896	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
897	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
898
899	assert( uiCtx < 3 );
900	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
901	#if OL_DEPTHLIMIT
902	if(pcCU->getPartDumpFlag())
903	{
904	if(pcCU->getSlice()->isIntra() \|\| (!pcCU->getSlice()->isIntra() && uiCurrSplitFlag!=0))
905	{
906	pcCU->updatePartInfo(uiCurrSplitFlag,uiDepth);
907	pcCU->incrementPartInfo();
908	}
909	}
910	#endif
911	DTRACE_CABAC_VL( g_nSymbolCounter++ )
912	DTRACE_CABAC_T( "\tSplitFlag\n" )
913	return;
914	}
915
916	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
917	{
918	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
919	DTRACE_CABAC_VL( g_nSymbolCounter++ )
920	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
921	DTRACE_CABAC_T( "\tsymbol=" )
922	DTRACE_CABAC_V( uiSymbol )
923	DTRACE_CABAC_T( "\tctx=" )
924	DTRACE_CABAC_V( uiCtx )
925	DTRACE_CABAC_T( "\n" )
926	}
927
928	#if LGE_EDGE_INTRA
929	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
930	{
931	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
932	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
933	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
934	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
935	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
936	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
937	UInt uiSymbol;
938
939	// 1. Top(0) or Left(1)
940	uiSymbol = (bLeft == false) ? 0 : 1;
941	m_pcBinIf->encodeBinEP( uiSymbol );
942
943	// 2. Start position (lowest bit first)
944	uiSymbol = ucStart;
945	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
946	{
947	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
948	uiSymbol >>= 1;
949	}
950
951	// 3. Number of edges
952	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
953	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
954	{
955	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
956	uiSymbol >>= 1;
957	}
958
959	if(uiSymbol != 0)
960	{
961	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
962	assert(false);
963	}
964
965	// 4. Edges
966	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
967	{
968	UInt uiReorderSymbol = pucSymbolList[iPtr2];
969
970	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
971
972	// Left-friendly direction (Top start)
973	// 0 ( 0deg) => 0
974	// 1 ( 45deg) => 10
975	// 2 ( -45deg) => 110
976	// 3 ( 90deg) => 1110
977	// 4 ( -90deg) => 11110
978	// 5 ( 135deg) => 111110
979	// 6 (-135deg) => 111111
980	// Right-friendly direction (Left start)
981	// 0 ( 0deg) => 0
982	// 2 ( -45deg) => 10
983	// 1 ( 45deg) => 110
984	// 4 ( -90deg) => 1110
985	// 3 ( 90deg) => 11110
986	// 6 (-135deg) => 111110
987	// 5 ( 135deg) => 111111
988
989	// refer to a paper "An efficient chain code with Huffman coding"
990
991	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
992	{
993	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
994	}
995
996	if( uiReorderSymbol != 6 )
997	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
998	}
999	}
1000	#endif
1001
1002	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
1003	{
1004	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
1005
1006	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1007	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
1008	{
1009	#if LGE_EDGE_INTRA
1010	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
1011	#else
1012	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
1013	#endif
1014	}
1015	#if LGE_EDGE_INTRA
1016	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
1017	#else
1018	if( uiDir >= NUM_INTRA_MODE )
1019	#endif
1020	{
1021	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
1022	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
1023
1024	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
1025	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1026	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1027
1028	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1029	{
1030	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
1031	}
1032	#else
1033	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1034
1035	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1036	{
1037	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1038	}
1039	#endif
1040	#if HHI_DMM_WEDGE_INTRA
1041	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
1042	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
1043	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
1044	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
1045	#endif
1046	#if HHI_DMM_PRED_TEX
1047	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
1048	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
1049	#endif
1050	}
1051	else
1052	#if LGE_EDGE_INTRA
1053	if ( uiDir >= EDGE_INTRA_IDX)
1054	{
1055	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1056	m_pcBinIf->encodeBinsEP( 63, 6 );
1057	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
1058	#if LGE_EDGE_INTRA_DELTA_DC
1059	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1060	if( uiDir == EDGE_INTRA_DELTA_IDX )
1061	{
1062	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
1063	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
1064
1065	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1066	if ( iDeltaDC0 != 0 )
1067	{
1068	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
1069	m_pcBinIf->encodeBinEP( uiSign );
1070	}
1071	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1072	if ( iDeltaDC1 != 0 )
1073	{
1074	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1075	m_pcBinIf->encodeBinEP( uiSign );
1076	}
1077	}
1078	#endif
1079	}
1080	else
1081	#endif // LGE_EDGE_INTRA
1082	{
1083	#endif
1084	#if !LOGI_INTRA_NAME_3MPM
1085	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1086	#endif
1087	#if LGE_EDGE_INTRA
1088	Bool bCodeEdgeIntra = false;
1089	if( pcCU->getSlice()->getSPS()->isDepth() )
1090	{
1091	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1092	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1093	bCodeEdgeIntra = true;
1094	}
1095	#endif
1096
1097	#if LOGI_INTRA_NAME_3MPM
1098	Int uiPreds[3] = {-1, -1, -1};
1099	#else
1100	Int uiPreds[2] = {-1, -1};
1101	#endif
1102	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1103
1104	Int uiPredIdx = -1;
1105
1106	for(UInt i = 0; i < uiPredNum; i++)
1107	{
1108	if(uiDir == uiPreds[i])
1109	{
1110	uiPredIdx = i;
1111	}
1112	}
1113
1114	if(uiPredIdx != -1)
1115	{
1116	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1117	#if LOGI_INTRA_NAME_3MPM
1118	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1119	if (uiPredIdx)
1120	{
1121	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1122	}
1123	#else
1124	m_pcBinIf->encodeBinEP( uiPredIdx );
1125	#endif
1126	}
1127	else
1128	{
1129	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1130
1131	#if LOGI_INTRA_NAME_3MPM
1132	if (uiPreds[0] > uiPreds[1])
1133	{
1134	std::swap(uiPreds[0], uiPreds[1]);
1135	}
1136	if (uiPreds[0] > uiPreds[2])
1137	{
1138	std::swap(uiPreds[0], uiPreds[2]);
1139	}
1140	if (uiPreds[1] > uiPreds[2])
1141	{
1142	std::swap(uiPreds[1], uiPreds[2]);
1143	}
1144	#endif
1145
1146	for(Int i = (uiPredNum - 1); i >= 0; i--)
1147	{
1148	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1149	}
1150
1151	#if LOGI_INTRA_NAME_3MPM
1152	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1153	#if LGE_EDGE_INTRA
1154	if (bCodeEdgeIntra)
1155	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1156	#endif
1157	#else
1158	if ( uiDir < 31 )
1159	{
1160	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1161	}
1162	else
1163	{
1164	m_pcBinIf->encodeBinsEP( 31, 5 );
1165	m_pcBinIf->encodeBinEP( uiDir - 31 );
1166	}
1167	#endif
1168	}
1169	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1170	}
1171	#endif
1172	return;
1173	}
1174
1175	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1176	{
1177	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1178
1179	if( uiIntraDirChroma == DM_CHROMA_IDX )
1180	{
1181	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1182	}
1183	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1184	{
1185	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1186	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1187	}
1188	else
1189	{
1190	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1191	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1192
1193	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1194	{
1195	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1196	{
1197	uiIntraDirChroma = i;
1198	break;
1199	}
1200	}
1201	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1202
1203	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1204	{
1205	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1206	}
1207	#if CHROMA_MODE_CODING
1208	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1209	#else
1210	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1211	#endif
1212	}
1213	return;
1214	}
1215
1216	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1217	{
1218	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1219	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1220	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1221	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1222
1223	return;
1224	}
1225
1226	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1227	{
1228	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1229	{
1230	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1231
1232	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1233	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1234
1235	if( iRefFrame > 0 )
1236	{
1237	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1238	}
1239	}
1240	else
1241	{
1242	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1243	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1244	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1245
1246	if( iRefFrame > 0 )
1247	{
1248	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1249	}
1250	}
1251	return;
1252	}
1253
1254	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1255	{
1256	#if H0111_MVD_L1_ZERO
1257	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1258	{
1259	return;
1260	}
1261	#endif
1262
1263	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1264	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1265	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1266	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1267
1268	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1269	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1270
1271	const Bool bHorAbsGr0 = iHor != 0;
1272	const Bool bVerAbsGr0 = iVer != 0;
1273	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1274	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1275	pCtx++;
1276
1277	if( bHorAbsGr0 )
1278	{
1279	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1280	}
1281
1282	if( bVerAbsGr0 )
1283	{
1284	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1285	}
1286
1287	if( bHorAbsGr0 )
1288	{
1289	if( uiHorAbs > 1 )
1290	{
1291	xWriteEpExGolomb( uiHorAbs-2, 1 );
1292	}
1293
1294	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1295	}
1296
1297	if( bVerAbsGr0 )
1298	{
1299	if( uiVerAbs > 1 )
1300	{
1301	xWriteEpExGolomb( uiVerAbs-2, 1 );
1302	}
1303
1304	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1305	}
1306
1307	return;
1308	}
1309
1310	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1311	{
1312	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1313
1314	#if H0736_AVC_STYLE_QP_RANGE
1315	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1316	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1317	#else
1318	#if LOSSLESS_CODING
1319	if(pcCU->getSlice()->getSPS()->getUseLossless())
1320	{
1321	if(iDQp > 25)
1322	{
1323	iDQp = iDQp - 52;
1324	}
1325	if(iDQp < -26)
1326	{
1327	iDQp = iDQp + 52;
1328	}
1329	}
1330	#endif
1331	#endif
1332
1333	if ( iDQp == 0 )
1334	{
1335	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1336	}
1337	else
1338	{
1339	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1340
1341	UInt uiSign = (iDQp > 0 ? 0 : 1);
1342	#if !H0736_AVC_STYLE_QP_RANGE
1343	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1344	#endif
1345
1346	m_pcBinIf->encodeBinEP(uiSign);
1347
1348	#if H0736_AVC_STYLE_QP_RANGE
1349	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1350	assert(iDQp <= (25+(qpBdOffsetY/2)));
1351
1352	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1353	#else
1354	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1355	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1356
1357	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1358	#endif
1359	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1360	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1361	}
1362
1363	return;
1364	}
1365
1366	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1367	{
1368	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1369	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1370	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1371	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1372	DTRACE_CABAC_T( "\tparseQtCbf()" )
1373	DTRACE_CABAC_T( "\tsymbol=" )
1374	DTRACE_CABAC_V( uiCbf )
1375	DTRACE_CABAC_T( "\tctx=" )
1376	DTRACE_CABAC_V( uiCtx )
1377	DTRACE_CABAC_T( "\tetype=" )
1378	DTRACE_CABAC_V( eType )
1379	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1380	DTRACE_CABAC_V( uiAbsPartIdx )
1381	DTRACE_CABAC_T( "\n" )
1382	}
1383
1384	#if BURST_IPCM
1385	/** Code I_PCM information.
1386	* \param pcCU pointer to CU
1387	* \param uiAbsPartIdx CU index
1388	* \param numIPCM the number of succesive IPCM blocks with the same size
1389	* \param firstIPCMFlag
1390	* \returns Void
1391	*/
1392	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1393	#else
1394	/** Code I_PCM information.
1395	* \param pcCU pointer to CU
1396	* \param uiAbsPartIdx CU index
1397	* \returns Void
1398	*
1399	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1400	*/
1401	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1402	#endif
1403	{
1404	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1405
1406	#if BURST_IPCM
1407	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1408
1409	if( uiIPCM == 0 \|\| firstIPCMFlag)
1410	{
1411	m_pcBinIf->encodeBinTrm (uiIPCM);
1412
1413	if ( firstIPCMFlag )
1414	{
1415	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1416	m_pcBinIf->encodePCMAlignBits();
1417	}
1418	}
1419	#else
1420	m_pcBinIf->encodeBinTrm (uiIPCM);
1421	#endif
1422
1423	#if BURST_IPCM
1424	if (writePCMSampleFlag)
1425	#else
1426	if (uiIPCM)
1427	#endif
1428	{
1429	#if !BURST_IPCM
1430	m_pcBinIf->encodePCMAlignBits();
1431	#endif
1432	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1433	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1434	UInt uiChromaOffset = uiLumaOffset>>2;
1435	Pel* piPCMSample;
1436	UInt uiWidth;
1437	UInt uiHeight;
1438	UInt uiSampleBits;
1439	UInt uiX, uiY;
1440
1441	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1442	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1443	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1444	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1445
1446	for(uiY = 0; uiY < uiHeight; uiY++)
1447	{
1448	for(uiX = 0; uiX < uiWidth; uiX++)
1449	{
1450	UInt uiSample = piPCMSample[uiX];
1451
1452	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1453	}
1454	piPCMSample += uiWidth;
1455	}
1456
1457	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1458	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1459	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1460	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1461
1462	for(uiY = 0; uiY < uiHeight; uiY++)
1463	{
1464	for(uiX = 0; uiX < uiWidth; uiX++)
1465	{
1466	UInt uiSample = piPCMSample[uiX];
1467
1468	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1469	}
1470	piPCMSample += uiWidth;
1471	}
1472
1473	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1474	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1475	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1476	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1477
1478	for(uiY = 0; uiY < uiHeight; uiY++)
1479	{
1480	for(uiX = 0; uiX < uiWidth; uiX++)
1481	{
1482	UInt uiSample = piPCMSample[uiX];
1483
1484	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1485	}
1486	piPCMSample += uiWidth;
1487	}
1488	#if BURST_IPCM
1489	numIPCM--;
1490	if(numIPCM == 0)
1491	{
1492	m_pcBinIf->resetBac();
1493	}
1494	#else
1495	m_pcBinIf->resetBac();
1496	#endif
1497	}
1498	}
1499
1500	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1501	{
1502	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1503	UInt uiCtx = 0;
1504	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1505	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1506	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1507	DTRACE_CABAC_T( "\tsymbol=" )
1508	DTRACE_CABAC_V( uiCbf )
1509	DTRACE_CABAC_T( "\tctx=" )
1510	DTRACE_CABAC_V( uiCtx )
1511	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1512	DTRACE_CABAC_V( uiAbsPartIdx )
1513	DTRACE_CABAC_T( "\n" )
1514	}
1515
1516	/** Encode (X,Y) position of the last significant coefficient
1517	* \param uiPosX X component of last coefficient
1518	* \param uiPosY Y component of last coefficient
1519	* \param width Block width
1520	* \param height Block height
1521	* \param eTType plane type / luminance or chrominance
1522	* \param uiScanIdx scan type (zig-zag, hor, ver)
1523	* This method encodes the X and Y component within a block of the last significant coefficient.
1524	*/
1525	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1526	{
1527	// swap
1528	if( uiScanIdx == SCAN_VER )
1529	{
1530	swap( uiPosX, uiPosY );
1531	}
1532
1533	UInt uiCtxLast;
1534	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1535	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1536	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1537	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1538
1539	// posX
1540	#if LAST_CTX_REDUCTION
1541	Int widthCtx = eTType? 4: width;
1542	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1543	#else
1544	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1545	#endif
1546	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1547	{
1548	#if LAST_CTX_REDUCTION
1549	if (eTType)
1550	{
1551	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1552	}
1553	else
1554	{
1555	#endif
1556	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1557	#if LAST_CTX_REDUCTION
1558	}
1559	#endif
1560	}
1561	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1562	{
1563	#if LAST_CTX_REDUCTION
1564	if ( eTType )
1565	{
1566	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1567	}
1568	else
1569	{
1570	#endif
1571	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1572	#if LAST_CTX_REDUCTION
1573	}
1574	#endif
1575	}
1576
1577	// posY
1578	#if LAST_CTX_REDUCTION
1579	Int heightCtx = eTType? 4: height;
1580	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1581	#else
1582	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1583	#endif
1584	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1585	{
1586	#if LAST_CTX_REDUCTION
1587	if (eTType)
1588	{
1589	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1590	}
1591	else
1592	{
1593	#endif
1594	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1595	#if LAST_CTX_REDUCTION
1596	}
1597	#endif
1598	}
1599	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1600	{
1601	#if LAST_CTX_REDUCTION
1602	if (eTType)
1603	{
1604	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1605	}
1606	else
1607	{
1608	#endif
1609	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1610	#if LAST_CTX_REDUCTION
1611	}
1612	#endif
1613	}
1614	if ( uiGroupIdxX > 3 )
1615	{
1616	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1617	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1618	for (Int i = uiCount - 1 ; i >= 0; i-- )
1619	{
1620	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1621	}
1622	}
1623	if ( uiGroupIdxY > 3 )
1624	{
1625	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1626	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1627	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1628	{
1629	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1630	}
1631	}
1632	}
1633
1634	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1635	{
1636	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1637	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1638	DTRACE_CABAC_V( eTType )
1639	DTRACE_CABAC_T( "\twidth=" )
1640	DTRACE_CABAC_V( uiWidth )
1641	DTRACE_CABAC_T( "\theight=" )
1642	DTRACE_CABAC_V( uiHeight )
1643	DTRACE_CABAC_T( "\tdepth=" )
1644	DTRACE_CABAC_V( uiDepth )
1645	DTRACE_CABAC_T( "\tabspartidx=" )
1646	DTRACE_CABAC_V( uiAbsPartIdx )
1647	DTRACE_CABAC_T( "\ttoCU-X=" )
1648	DTRACE_CABAC_V( pcCU->getCUPelX() )
1649	DTRACE_CABAC_T( "\ttoCU-Y=" )
1650	DTRACE_CABAC_V( pcCU->getCUPelY() )
1651	DTRACE_CABAC_T( "\tCU-addr=" )
1652	DTRACE_CABAC_V( pcCU->getAddr() )
1653	DTRACE_CABAC_T( "\tinCU-X=" )
1654	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1655	DTRACE_CABAC_T( "\tinCU-Y=" )
1656	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1657	DTRACE_CABAC_T( "\tpredmode=" )
1658	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1659	DTRACE_CABAC_T( "\n" )
1660
1661	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1662	{
1663	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1664	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1665	}
1666
1667	UInt uiNumSig = 0;
1668
1669	// compute number of significant coefficients
1670	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1671
1672	if ( uiNumSig == 0 )
1673	return;
1674
1675	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1676
1677	//----- encode significance map -----
1678	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1679	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1680	if (uiScanIdx == SCAN_ZIGZAG)
1681	{
1682	// Map zigzag to diagonal scan
1683	uiScanIdx = SCAN_DIAG;
1684	}
1685	Int blockType = uiLog2BlockSize;
1686	if (uiWidth != uiHeight)
1687	{
1688	uiScanIdx = SCAN_DIAG;
1689	blockType = 4;
1690	}
1691
1692	const UInt * scan;
1693	if (uiWidth == uiHeight)
1694	{
1695	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1696	}
1697	else
1698	{
1699	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1700	}
1701
1702	#if MULTIBITS_DATA_HIDING
1703	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1704	#if LOSSLESS_CODING
1705	Bool beValid;
1706	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1707	{
1708	beValid = false;
1709	}
1710	else
1711	{
1712	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1713	}
1714	#else
1715	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1716	#endif
1717	#endif
1718
1719	// Find position of last coefficient
1720	Int scanPosLast = -1;
1721	Int posLast;
1722
1723	const UInt * scanCG;
1724	if (uiWidth == uiHeight)
1725	{
1726	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1727	#if MULTILEVEL_SIGMAP_EXT
1728	if( uiLog2BlockSize == 3 )
1729	{
1730	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1731	}
1732	else if( uiLog2BlockSize == 5 )
1733	{
1734	scanCG = g_sigLastScanCG32x32;
1735	}
1736	#endif
1737	}
1738	else
1739	{
1740	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1741	}
1742	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1743	static const UInt uiShift = MLS_CG_SIZE >> 1;
1744	const UInt uiNumBlkSide = uiWidth >> uiShift;
1745
1746	#if !MULTILEVEL_SIGMAP_EXT
1747	if( blockType > 3 )
1748	{
1749	#endif
1750	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1751
1752	do
1753	{
1754	posLast = scan[ ++scanPosLast ];
1755
1756	// get L1 sig map
1757	UInt uiPosY = posLast >> uiLog2BlockSize;
1758	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1759	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1760	#if MULTILEVEL_SIGMAP_EXT
1761	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1762	{
1763	if( uiScanIdx == SCAN_HOR )
1764	{
1765	uiBlkIdx = uiPosY >> 1;
1766	}
1767	else if( uiScanIdx == SCAN_VER )
1768	{
1769	uiBlkIdx = uiPosX >> 1;
1770	}
1771	}
1772	#endif
1773	if( pcCoef[ posLast ] )
1774	{
1775	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1776	}
1777
1778	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1779	}
1780	while ( uiNumSig > 0 );
1781	#if !MULTILEVEL_SIGMAP_EXT
1782	}
1783	else
1784	{
1785
1786	do
1787	{
1788	posLast = scan[ ++scanPosLast ];
1789	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1790	}
1791	while ( uiNumSig > 0 );
1792
1793	}
1794	#endif
1795
1796	// Code position of last coefficient
1797	Int posLastY = posLast >> uiLog2BlockSize;
1798	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1799	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1800
1801	//===== code significance flag =====
1802	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1803	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1804
1805
1806	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1807	UInt uiNumOne = 0;
1808	UInt uiGoRiceParam = 0;
1809	Int iScanPosSig = scanPosLast;
1810
1811	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1812	{
1813	Int numNonZero = 0;
1814	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1815	uiGoRiceParam = 0;
1816	Int absCoeff[16];
1817	UInt coeffSigns = 0;
1818
1819	#if MULTIBITS_DATA_HIDING
1820	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1821	#endif
1822
1823	if( iScanPosSig == scanPosLast )
1824	{
1825	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1826	coeffSigns = ( pcCoef[ posLast ] < 0 );
1827	numNonZero = 1;
1828	#if MULTIBITS_DATA_HIDING
1829	lastNZPosInCG = iScanPosSig;
1830	firstNZPosInCG = iScanPosSig;
1831	#endif
1832	iScanPosSig--;
1833	}
1834
1835	#if !MULTILEVEL_SIGMAP_EXT
1836	if( blockType > 3 )
1837	{
1838	#endif
1839	// encode significant_coeffgroup_flag
1840	Int iCGBlkPos = scanCG[ iSubSet ];
1841	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1842	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1843	#if MULTILEVEL_SIGMAP_EXT
1844	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1845	{
1846	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1847	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1848	}
1849	#endif
1850	#if !REMOVE_INFER_SIGGRP
1851	Bool bInferredCGFlag = false;
1852	#endif
1853	#if REMOVE_INFER_SIGGRP
1854	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1855	#else
1856	if( iSubSet == iLastScanSet )
1857	#endif
1858	{
1859	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1860	}
1861	else
1862	{
1863	#if !REMOVE_INFER_SIGGRP
1864	#if MULTILEVEL_SIGMAP_EXT
1865	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1866	#else
1867	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1868	#endif
1869	{
1870	#endif
1871	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1872	#if MULTILEVEL_SIGMAP_EXT
1873	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1874	#else
1875	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1876	#endif
1877	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1878	#if !REMOVE_INFER_SIGGRP
1879	}
1880	else
1881	{
1882	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1883	bInferredCGFlag = true;
1884	}
1885	#endif
1886	}
1887
1888	// encode significant_coeff_flag
1889	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1890	{
1891	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1892	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1893	{
1894	uiBlkPos = scan[ iScanPosSig ];
1895	uiPosY = uiBlkPos >> uiLog2BlockSize;
1896	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1897	uiSig = (pcCoef[ uiBlkPos ] != 0);
1898	#if REMOVE_INFER_SIGGRP
1899	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1900	#else
1901	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1902	#endif
1903	{
1904	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1905	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1906	}
1907	if( uiSig )
1908	{
1909	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1910	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1911	numNonZero++;
1912	#if MULTIBITS_DATA_HIDING
1913	if( lastNZPosInCG == -1 )
1914	{
1915	lastNZPosInCG = iScanPosSig;
1916	}
1917	firstNZPosInCG = iScanPosSig;
1918	#endif
1919	}
1920	}
1921	}
1922	else
1923	{
1924	iScanPosSig = iSubPos - 1;
1925	}
1926	#if !MULTILEVEL_SIGMAP_EXT
1927	}
1928	else
1929	{
1930
1931	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1932	{
1933	UInt uiBlkPos = scan[ iScanPosSig ];
1934	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1935	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1936	UInt uiSig = 0;
1937	if( pcCoef[ uiBlkPos ] != 0 )
1938	{
1939	uiSig = 1;
1940	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1941	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1942	numNonZero++;
1943	#if MULTIBITS_DATA_HIDING
1944	if( lastNZPosInCG == -1 )
1945	{
1946	lastNZPosInCG = iScanPosSig;
1947	}
1948	firstNZPosInCG = iScanPosSig;
1949	#endif
1950	}
1951	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1952	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1953	}
1954
1955	}
1956	#endif
1957
1958	if( numNonZero > 0 )
1959	{
1960	#if MULTIBITS_DATA_HIDING
1961	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1962	#endif // MULTIBITS_DATA_HIDING
1963
1964	UInt c1 = 1;
1965	#if !RESTRICT_GR1GR2FLAG_NUMBER
1966	UInt c2 = 0;
1967	#endif
1968	#if LEVEL_CTX_LUMA_RED
1969	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1970	#else
1971	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1972	#endif
1973
1974	if( uiNumOne > 0 )
1975	{
1976	uiCtxSet++;
1977	#if !LEVEL_CTX_LUMA_RED
1978	if( uiNumOne > 3 && eTType==TEXT_LUMA)
1979	{
1980	uiCtxSet++;
1981	}
1982	#endif
1983	}
1984
1985	uiNumOne >>= 1;
1986	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1987
1988	#if RESTRICT_GR1GR2FLAG_NUMBER
1989	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1990	Int firstC2FlagIdx = -1;
1991	for( Int idx = 0; idx < numC1Flag; idx++ )
1992	#else
1993	for ( Int idx = 0; idx < numNonZero; idx++ )
1994	#endif
1995	{
1996	UInt uiSymbol = absCoeff[ idx ] > 1;
1997	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1998	if( uiSymbol )
1999	{
2000	c1 = 0;
2001
2002	#if RESTRICT_GR1GR2FLAG_NUMBER
2003	if (firstC2FlagIdx == -1)
2004	{
2005	firstC2FlagIdx = idx;
2006	}
2007	#endif
2008	}
2009	else if( (c1 < 3) && (c1 > 0) )
2010	{
2011	c1++;
2012	}
2013	}
2014
2015	if (c1 == 0)
2016	{
2017
2018	#if RESTRICT_GR1GR2FLAG_NUMBER
2019	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
2020	if ( firstC2FlagIdx != -1)
2021	{
2022	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2023	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2024	}
2025	#else
2026	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
2027	for ( Int idx = 0; idx < numNonZero; idx++ )
2028	{
2029	if( absCoeff[ idx ] > 1 )
2030	{
2031	UInt symbol = absCoeff[ idx ] > 2;
2032	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
2033	c2 += (c2 < 2);
2034	uiNumOne++;
2035	}
2036	}
2037	#endif
2038	}
2039
2040	#if MULTIBITS_DATA_HIDING
2041	if( beValid && signHidden )
2042	{
2043	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2044	}
2045	else
2046	{
2047	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2048	}
2049	#else
2050	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2051	#endif
2052
2053	#if RESTRICT_GR1GR2FLAG_NUMBER
2054	Int iFirstCoeff2 = 1;
2055	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
2056	#else
2057	if (c1 == 0)
2058	#endif
2059	{
2060	for ( Int idx = 0; idx < numNonZero; idx++ )
2061	{
2062	#if RESTRICT_GR1GR2FLAG_NUMBER
2063	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2064
2065	if( absCoeff[ idx ] >= baseLevel)
2066	{
2067	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
2068	}
2069	if(absCoeff[ idx ] >= 2)
2070	{
2071	iFirstCoeff2 = 0;
2072	uiNumOne++;
2073	}
2074	#else
2075	if ( absCoeff[ idx ] > 2 )
2076	{
2077	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2078	}
2079	#endif
2080	}
2081	}
2082	}
2083	else
2084	{
2085	uiNumOne >>= 1;
2086	}
2087	}
2088
2089	return;
2090	}
2091
2092	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2093	{
2094	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2095	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2096	}
2097
2098	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2099	{
2100	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2101	}
2102
2103	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2104	{
2105	Int i;
2106
2107	if ( uiCode == 0 )
2108	{
2109	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2110	}
2111	else
2112	{
2113	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2114	for ( i=0; i<uiCode-1; i++ )
2115	{
2116	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2117	}
2118	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2119	}
2120	}
2121
2122	Void TEncSbac::codeAlfSvlc ( Int iCode )
2123	{
2124	Int i;
2125
2126	if ( iCode == 0 )
2127	{
2128	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2129	}
2130	else
2131	{
2132	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2133
2134	// write sign
2135	if ( iCode > 0 )
2136	{
2137	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2138	}
2139	else
2140	{
2141	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2142	iCode = -iCode;
2143	}
2144
2145	// write magnitude
2146	for ( i=0; i<iCode-1; i++ )
2147	{
2148	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2149	}
2150	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2151	}
2152	}
2153
2154	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2155	{
2156	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2157	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2158	}
2159
2160	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2161	{
2162	Int i;
2163
2164	if ( uiCode == 0 )
2165	{
2166	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2167	}
2168	else
2169	{
2170	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2171	for ( i=0; i<uiCode-1; i++ )
2172	{
2173	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2174	}
2175	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2176	}
2177	}
2178
2179	Void TEncSbac::codeSaoSvlc ( Int iCode )
2180	{
2181	Int i;
2182
2183	if ( iCode == 0 )
2184	{
2185	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2186	}
2187	else
2188	{
2189	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2190
2191	// write sign
2192	if ( iCode > 0 )
2193	{
2194	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2195	}
2196	else
2197	{
2198	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2199	iCode = -iCode;
2200	}
2201
2202	// write magnitude
2203	for ( i=0; i<iCode-1; i++ )
2204	{
2205	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2206	}
2207	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2208	}
2209	}
2210	#if SAO_UNIT_INTERLEAVING
2211	/** Code SAO band position
2212	* \param uiCode
2213	*/
2214	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2215	{
2216	for (Int i=0;i<5;i++)
2217	{
2218	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2219	}
2220	}
2221	/** Code SAO merge left flag
2222	* \param uiCode
2223	* \param uiCompIdx
2224	*/
2225	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2226	{
2227	if (uiCode == 0)
2228	{
2229	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2230	}
2231	else
2232	{
2233	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2234	}
2235	}
2236	/** Code SAO merge up flag
2237	* \param uiCode
2238	*/
2239	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2240	{
2241	if (uiCode == 0)
2242	{
2243	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2244	}
2245	else
2246	{
2247	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2248	}
2249	}
2250	/** Code SAO type index
2251	* \param uiCode
2252	*/
2253	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2254	{
2255	Int i;
2256	if ( uiCode == 0 )
2257	{
2258	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2259	}
2260	else
2261	{
2262	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2263	for ( i=0; i<uiCode-1; i++ )
2264	{
2265	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2266	}
2267	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2268	}
2269	}
2270	#endif
2271	/*!
2272	****************************************************************************
2273	* \brief
2274	* estimate bit cost for CBP, significant map and significant coefficients
2275	****************************************************************************
2276	*/
2277	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2278	{
2279	estCBFBit( pcEstBitsSbac, 0, eTType );
2280
2281	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2282
2283	// encode significance map
2284	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2285
2286	// encode significant coefficients
2287	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2288	}
2289
2290	/*!
2291	****************************************************************************
2292	* \brief
2293	* estimate bit cost for each CBP bit
2294	****************************************************************************
2295	*/
2296	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2297	{
2298	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2299
2300	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2301	{
2302	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2303	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2304	}
2305
2306	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2307
2308	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2309	{
2310	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2311	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2312	}
2313	}
2314
2315
2316	/*!
2317	****************************************************************************
2318	* \brief
2319	* estimate SAMBAC bit cost for significant coefficient group map
2320	****************************************************************************
2321	*/
2322	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2323	{
2324	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2325
2326	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2327	{
2328	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2329	{
2330	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2331	}
2332	}
2333	}
2334
2335
2336	/*!
2337	****************************************************************************
2338	* \brief
2339	* estimate SAMBAC bit cost for significant coefficient map
2340	****************************************************************************
2341	*/
2342	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2343	{
2344	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2345	if (std::max(width, height) >= 16)
2346	{
2347	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2348	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2349	}
2350	else if (width == 8)
2351	{
2352	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2353	numCtx = 11;
2354	}
2355
2356	if (eTType == TEXT_LUMA )
2357	{
2358	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2359	{
2360	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2361	{
2362	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2363	}
2364	}
2365	}
2366	else
2367	{
2368	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2369	{
2370	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2371	{
2372	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2373	}
2374	}
2375	}
2376	Int iBitsX = 0, iBitsY = 0;
2377	const UInt *puiCtxIdx;
2378	Int ctx;
2379	#if LAST_CTX_REDUCTION
2380	Int widthCtx = eTType? 4 : width;
2381	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2382	#else
2383	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2384	#endif
2385	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2386	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2387	{
2388	Int ctxOffset = puiCtxIdx[ ctx ];
2389	#if LAST_CTX_REDUCTION
2390	if (eTType)
2391	{
2392	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2393	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2394	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2395	}
2396	else
2397	{
2398	#endif
2399	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2400	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2401	#if LAST_CTX_REDUCTION
2402	}
2403	#endif
2404	}
2405	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2406
2407	#if LAST_CTX_REDUCTION
2408	Int heightCtx = eTType? 4 : height;
2409	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2410	#else
2411	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2412	#endif
2413	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2414	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2415	{
2416	Int ctxOffset = puiCtxIdx[ ctx ];
2417	#if LAST_CTX_REDUCTION
2418	if (eTType)
2419	{
2420	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2421	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2422	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2423	}
2424	else
2425	{
2426	#endif
2427	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2428	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2429	#if LAST_CTX_REDUCTION
2430	}
2431	#endif
2432	}
2433	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2434	}
2435
2436	/*!
2437	****************************************************************************
2438	* \brief
2439	* estimate bit cost of significant coefficient
2440	****************************************************************************
2441	*/
2442	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2443	{
2444	if (eTType==TEXT_LUMA)
2445	{
2446	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2447	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2448
2449	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2450	{
2451	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2452	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2453	}
2454
2455	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2456	{
2457	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2458	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2459	}
2460	}
2461	else
2462	{
2463	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2464	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2465
2466	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2467	{
2468	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2469	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2470	}
2471
2472	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2473	{
2474	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2475	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2476	}
2477	}
2478	}
2479
2480	/**
2481	- Initialize our context information from the nominated source.
2482	.
2483	\param pSrc From where to copy context information.
2484	*/
2485	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2486	{
2487	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2488	}
2489
2490	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2491	{
2492	this->xCopyContextsFrom(pScr);
2493	}
2494
2495	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC)
2496	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2497	{
2498	if( uiSymbol )
2499	{
2500	m_pcBinIf->encodeBin( 1, rcSCModel );
2501	UInt uiCount = 0;
2502	Bool bNoExGo = (uiSymbol < 13);
2503
2504	while( --uiSymbol && ++uiCount < 13 )
2505	{
2506	m_pcBinIf->encodeBin( 1, rcSCModel );
2507	}
2508	if( bNoExGo )
2509	{
2510	m_pcBinIf->encodeBin( 0, rcSCModel );
2511	}
2512	else
2513	{
2514	xWriteEpExGolomb( uiSymbol, 0 );
2515	}
2516	}
2517	else
2518	{
2519	m_pcBinIf->encodeBin( 0, rcSCModel );
2520	}
2521
2522	return;
2523	}
2524	#endif
2525	#if HHI_DMM_WEDGE_INTRA
2526	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2527	{
2528	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2529	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2530
2531	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2532
2533	for ( Int i = 0; i < iBits; i++ )
2534	{
2535	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2536	}
2537	}
2538
2539	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2540	{
2541	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2542	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2543
2544	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2545
2546	for ( Int i = 0; i < iBits; i++ )
2547	{
2548	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2549	}
2550
2551	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2552	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2553
2554	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2555	if ( iDeltaDC1 != 0 )
2556	{
2557	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2558	m_pcBinIf->encodeBinEP( uiSign );
2559	}
2560	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2561	if ( iDeltaDC2 != 0 )
2562	{
2563	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2564	m_pcBinIf->encodeBinEP( uiSign );
2565	}
2566	}
2567
2568	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2569	{
2570	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2571	{
2572	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2573	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2574
2575	if( iDeltaEnd != 0 )
2576	{
2577	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2578	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2579	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2580
2581	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2582	m_pcBinIf->encodeBinEP( uiSign );
2583	}
2584	}
2585	}
2586
2587	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2588	{
2589	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2590	{
2591	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2592	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2593
2594	if( iDeltaEnd != 0 )
2595	{
2596	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2597	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2598	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2599
2600	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2601	m_pcBinIf->encodeBinEP( uiSign );
2602	}
2603	}
2604
2605	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2606	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2607
2608	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2609	if ( iDeltaDC1 != 0 )
2610	{
2611	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2612	m_pcBinIf->encodeBinEP( uiSign );
2613	}
2614	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2615	if ( iDeltaDC2 != 0 )
2616	{
2617	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2618	m_pcBinIf->encodeBinEP( uiSign );
2619	}
2620	}
2621	#endif
2622	#if HHI_DMM_PRED_TEX
2623	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2624	{
2625	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2626	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2627
2628	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2629	if ( iDeltaDC1 != 0 )
2630	{
2631	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2632	m_pcBinIf->encodeBinEP( uiSign );
2633	}
2634	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2635	if ( iDeltaDC2 != 0 )
2636	{
2637	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2638	m_pcBinIf->encodeBinEP( uiSign );
2639	}
2640	}
2641
2642	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2643	{
2644	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2645	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2646
2647	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2648	if ( iDeltaDC1 != 0 )
2649	{
2650	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2651	m_pcBinIf->encodeBinEP( uiSign );
2652	}
2653	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2654	if ( iDeltaDC2 != 0 )
2655	{
2656	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2657	m_pcBinIf->encodeBinEP( uiSign );
2658	}
2659	}
2660	#endif
2661	//! \}

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