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TEncSbac.cpp @ 193

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Last change on this file since 193 was 193, checked in by mitsubishi-htm, 12 years ago

A second release, as planned

Migrate to HTM 4.1
Move VSP related switches to cfg file instead of #define in the source code
A few bug fixes
For VC project files, only VC9 file is updated

TODO

Migrate to HTM 5.0, to be used as anchor for CE1 toward Geneva meeting

Property svn:eol-style set to native

File size: 86.3 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 OL_DEPTHLIMIT_A0044
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_A0044
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_A0044
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_A0044
615	if(pcCU->getPartDumpFlag())
616	{
617	pcCU->updatePartInfo(0,uiDepth); //0 for 2Nx2N
618	pcCU->incrementPartInfo();
619	}
620	#endif
621	break;
622	}
623	case SIZE_2NxN:
624	case SIZE_2NxnU:
625	case SIZE_2NxnD:
626	{
627	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
628	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
629	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
630	{
631	if (eSize == SIZE_2NxN)
632	{
633	#if AMP_CTX
634	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
635	#else
636	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
637	#endif
638	}
639	else
640	{
641	#if AMP_CTX
642	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
643	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
644	#else
645	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
646	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
647	#endif
648	}
649	}
650	#if OL_DEPTHLIMIT_A0044
651	if(pcCU->getPartDumpFlag())
652	{
653	pcCU->updatePartInfo(2,uiDepth); //2 for 2NxN
654	pcCU->incrementPartInfo();
655	}
656	#endif
657	break;
658	}
659	case SIZE_Nx2N:
660	case SIZE_nLx2N:
661	case SIZE_nRx2N:
662	{
663	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
664	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
665	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
666	{
667	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
668	}
669	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
670	{
671	if (eSize == SIZE_Nx2N)
672	{
673	#if AMP_CTX
674	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
675	#else
676	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
677	#endif
678	}
679	else
680	{
681	#if AMP_CTX
682	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
683	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
684	#else
685	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
686	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
687	#endif
688	}
689	}
690	#if OL_DEPTHLIMIT_A0044
691	if(pcCU->getPartDumpFlag())
692	{
693	pcCU->updatePartInfo(3,uiDepth); //3 for Nx2N
694	pcCU->incrementPartInfo();
695	}
696	#endif
697	break;
698	}
699	case SIZE_NxN:
700	{
701	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
702	{
703	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
704	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
705	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
706	#if OL_DEPTHLIMIT_A0044
707	if(pcCU->getPartDumpFlag())
708	{
709	pcCU->updatePartInfo(1,uiDepth); //2Nx2N here since we disable NxN in Inter
710	pcCU->incrementPartInfo();
711	}
712	#endif
713	}
714	else
715	{
716	#if OL_DEPTHLIMIT_A0044
717	if(pcCU->getPartDumpFlag())
718	{
719	pcCU->updatePartInfo(0,uiDepth); //2Nx2N here since we disable NxN in Inter
720	pcCU->incrementPartInfo();
721	}
722	#endif
723	}
724	break;
725	}
726	default:
727	{
728	assert(0);
729	}
730	}
731	}
732
733	/** code prediction mode
734	* \param pcCU
735	* \param uiAbsPartIdx
736	* \returns Void
737	*/
738	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
739	{
740	// get context function is here
741	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
742	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
743	}
744
745	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
746	{
747	if (!m_bAlfCtrl)
748	return;
749
750	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
751	{
752	return;
753	}
754
755	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
756	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
757	}
758
759	Void TEncSbac::codeAlfCtrlDepth()
760	{
761	if (!m_bAlfCtrl)
762	return;
763
764	UInt uiDepth = m_uiMaxAlfCtrlDepth;
765	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
766	}
767
768	/** code skip flag
769	* \param pcCU
770	* \param uiAbsPartIdx
771	* \returns Void
772	*/
773	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
774	{
775	// get context function is here
776	#if FORCE_REF_VSP==1
777	UInt uiSymbol = (pcCU->isSkipped( uiAbsPartIdx ) \|\| pcCU->isVspMode( uiAbsPartIdx )) ? 1 : 0;
778	#else
779	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
780	#endif
781	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
782	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
783	DTRACE_CABAC_VL( g_nSymbolCounter++ );
784	DTRACE_CABAC_T( "\tSkipFlag" );
785	DTRACE_CABAC_T( "\tuiCtxSkip: ");
786	DTRACE_CABAC_V( uiCtxSkip );
787	DTRACE_CABAC_T( "\tuiSymbol: ");
788	DTRACE_CABAC_V( uiSymbol );
789	DTRACE_CABAC_T( "\n");
790	}
791
792	#if FORCE_REF_VSP==1
793	Void TEncSbac::codeVspFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
794	{
795	// get context function is here
796	UInt uiSymbol = (UInt)pcCU->isVspMode( uiAbsPartIdx );
797	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
798	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
799	DTRACE_CABAC_VL( g_nSymbolCounter++ );
800	DTRACE_CABAC_T( "\tVspFlag" );
801	DTRACE_CABAC_T( "\tuiCtxSkip: ");
802	DTRACE_CABAC_V( uiCtxSkip );
803	DTRACE_CABAC_T( "\tuiSymbol: ");
804	DTRACE_CABAC_V( uiSymbol );
805	DTRACE_CABAC_T( "\n");
806	}
807	#endif
808
809	/** code merge flag
810	* \param pcCU
811	* \param uiAbsPartIdx
812	* \returns Void
813	*/
814	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
815	{
816	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
817	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
818
819	DTRACE_CABAC_VL( g_nSymbolCounter++ );
820	DTRACE_CABAC_T( "\tMergeFlag: " );
821	DTRACE_CABAC_V( uiSymbol );
822	DTRACE_CABAC_T( "\tAddress: " );
823	DTRACE_CABAC_V( pcCU->getAddr() );
824	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
825	DTRACE_CABAC_V( uiAbsPartIdx );
826	DTRACE_CABAC_T( "\n" );
827	}
828
829	/** code merge index
830	* \param pcCU
831	* \param uiAbsPartIdx
832	* \returns Void
833	*/
834	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
835	{
836	UInt uiNumCand = MRG_MAX_NUM_CANDS;
837	#if !MRG_IDX_CTX_RED
838	UInt auiCtx[4] = { 0, 1, 2, 3 };
839	#endif
840	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
841	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
842	#if HHI_MPI
843	#if VSP_N
844	TComDataCU* pcTextCU = pcCU->getSlice()->getSPS()->getUseMVI() ? pcCU->getSlice()->getTexturePic()->getCU( pcCU->getAddr() ) : NULL;
845	Int aiRefIdxVsp[2] = { pcTextCU ? pcTextCU->getCUMvField( RefPicList(0) )->getRefIdx( uiAbsPartIdx ) : -1,
846	pcTextCU ? pcTextCU->getCUMvField( RefPicList(1) )->getRefIdx( uiAbsPartIdx ) : -1 };
847	#if VSP_CFG
848	const Bool bMVIAvailable = (pcCU->getSlice()->getSPS()->getVspDepthPresentFlag() \|\| pcCU->getSlice()->getViewId()==0)
849	? pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE
850	: pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE
851	&& !( aiRefIdxVsp[0] >= pcCU->getSlice()->getNumRefIdx( RefPicList(0) ) )
852	&& !( aiRefIdxVsp[1] >= pcCU->getSlice()->getNumRefIdx( RefPicList(1) ) );
853	#else
854	const Bool bMVIAvailable = pcCU->getSlice()->getVspDepthDisableFlag() ? pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE
855	&& !( aiRefIdxVsp[0] >= 0 && pcTextCU->isVspRef( RefPicList(0), aiRefIdxVsp[0] ) )
856	&& !( aiRefIdxVsp[1] >= 0 && pcTextCU->isVspRef( RefPicList(1), aiRefIdxVsp[1] ) )
857	: pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
858	#endif
859	#endif
860	if( bMVIAvailable )
861	{
862	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
863	if( bUseMVI )
864	{
865	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
866	}
867	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
868	{
869	uiUnaryIdx++;
870	}
871	}
872	#endif
873	if ( uiNumCand > 1 )
874	{
875	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
876	{
877	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
878	#if MRG_IDX_CTX_RED
879	if ( ui==0 )
880	{
881	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
882	}
883	else
884	{
885	m_pcBinIf->encodeBinEP( uiSymbol );
886	}
887	#else
888	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
889	#endif
890	if( uiSymbol == 0 )
891	{
892	break;
893	}
894	}
895	}
896	DTRACE_CABAC_VL( g_nSymbolCounter++ );
897	DTRACE_CABAC_T( "\tparseMergeIndex()" );
898	DTRACE_CABAC_T( "\tuiMRGIdx= " );
899	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
900	DTRACE_CABAC_T( "\n" );
901	}
902
903	#if HHI_INTER_VIEW_RESIDUAL_PRED
904	Void
905	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
906	{
907	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
908	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
909	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
910	}
911	#endif
912
913	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
914	{
915	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
916	return;
917
918	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
919	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
920
921	assert( uiCtx < 3 );
922	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
923	#if OL_DEPTHLIMIT_A0044
924	if(pcCU->getPartDumpFlag())
925	{
926	if(pcCU->getSlice()->isIntra() \|\| (!pcCU->getSlice()->isIntra() && uiCurrSplitFlag!=0))
927	{
928	pcCU->updatePartInfo(uiCurrSplitFlag,uiDepth);
929	pcCU->incrementPartInfo();
930	}
931	}
932	#endif
933	DTRACE_CABAC_VL( g_nSymbolCounter++ )
934	DTRACE_CABAC_T( "\tSplitFlag\n" )
935	return;
936	}
937
938	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
939	{
940	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
941	DTRACE_CABAC_VL( g_nSymbolCounter++ )
942	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
943	DTRACE_CABAC_T( "\tsymbol=" )
944	DTRACE_CABAC_V( uiSymbol )
945	DTRACE_CABAC_T( "\tctx=" )
946	DTRACE_CABAC_V( uiCtx )
947	DTRACE_CABAC_T( "\n" )
948	}
949
950	#if LGE_EDGE_INTRA
951	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
952	{
953	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
954	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
955	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
956	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
957	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
958	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
959	UInt uiSymbol;
960
961	// 1. Top(0) or Left(1)
962	uiSymbol = (bLeft == false) ? 0 : 1;
963	m_pcBinIf->encodeBinEP( uiSymbol );
964
965	// 2. Start position (lowest bit first)
966	uiSymbol = ucStart;
967	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
968	{
969	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
970	uiSymbol >>= 1;
971	}
972
973	// 3. Number of edges
974	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
975	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
976	{
977	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
978	uiSymbol >>= 1;
979	}
980
981	if(uiSymbol != 0)
982	{
983	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
984	assert(false);
985	}
986
987	// 4. Edges
988	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
989	{
990	UInt uiReorderSymbol = pucSymbolList[iPtr2];
991
992	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
993
994	// Left-friendly direction (Top start)
995	// 0 ( 0deg) => 0
996	// 1 ( 45deg) => 10
997	// 2 ( -45deg) => 110
998	// 3 ( 90deg) => 1110
999	// 4 ( -90deg) => 11110
1000	// 5 ( 135deg) => 111110
1001	// 6 (-135deg) => 111111
1002	// Right-friendly direction (Left start)
1003	// 0 ( 0deg) => 0
1004	// 2 ( -45deg) => 10
1005	// 1 ( 45deg) => 110
1006	// 4 ( -90deg) => 1110
1007	// 3 ( 90deg) => 11110
1008	// 6 (-135deg) => 111110
1009	// 5 ( 135deg) => 111111
1010
1011	// refer to a paper "An efficient chain code with Huffman coding"
1012
1013	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
1014	{
1015	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1016	}
1017
1018	if( uiReorderSymbol != 6 )
1019	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1020	}
1021	}
1022	#endif
1023
1024	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
1025	{
1026	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
1027
1028	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1029	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
1030	{
1031	#if LGE_EDGE_INTRA
1032	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
1033	#else
1034	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
1035	#endif
1036	}
1037	#if LGE_EDGE_INTRA
1038	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
1039	#else
1040	if( uiDir >= NUM_INTRA_MODE )
1041	#endif
1042	{
1043	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
1044	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
1045
1046	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
1047	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1048	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1049
1050	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1051	{
1052	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
1053	}
1054	#else
1055	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1056
1057	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1058	{
1059	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1060	}
1061	#endif
1062	#if HHI_DMM_WEDGE_INTRA
1063	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
1064	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
1065	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
1066	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
1067	#endif
1068	#if HHI_DMM_PRED_TEX
1069	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
1070	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
1071	#endif
1072	}
1073	else
1074	#if LGE_EDGE_INTRA
1075	if ( uiDir >= EDGE_INTRA_IDX)
1076	{
1077	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1078	m_pcBinIf->encodeBinsEP( 63, 6 );
1079	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
1080	#if LGE_EDGE_INTRA_DELTA_DC
1081	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1082	if( uiDir == EDGE_INTRA_DELTA_IDX )
1083	{
1084	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
1085	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
1086
1087	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1088	if ( iDeltaDC0 != 0 )
1089	{
1090	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
1091	m_pcBinIf->encodeBinEP( uiSign );
1092	}
1093	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1094	if ( iDeltaDC1 != 0 )
1095	{
1096	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1097	m_pcBinIf->encodeBinEP( uiSign );
1098	}
1099	}
1100	#endif
1101	}
1102	else
1103	#endif // LGE_EDGE_INTRA
1104	{
1105	#endif
1106	#if !LOGI_INTRA_NAME_3MPM
1107	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1108	#endif
1109	#if LGE_EDGE_INTRA
1110	Bool bCodeEdgeIntra = false;
1111	if( pcCU->getSlice()->getSPS()->isDepth() )
1112	{
1113	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1114	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1115	bCodeEdgeIntra = true;
1116	}
1117	#endif
1118
1119	#if LOGI_INTRA_NAME_3MPM
1120	Int uiPreds[3] = {-1, -1, -1};
1121	#else
1122	Int uiPreds[2] = {-1, -1};
1123	#endif
1124	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1125
1126	Int uiPredIdx = -1;
1127
1128	for(UInt i = 0; i < uiPredNum; i++)
1129	{
1130	if(uiDir == uiPreds[i])
1131	{
1132	uiPredIdx = i;
1133	}
1134	}
1135
1136	if(uiPredIdx != -1)
1137	{
1138	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1139	#if LOGI_INTRA_NAME_3MPM
1140	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1141	if (uiPredIdx)
1142	{
1143	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1144	}
1145	#else
1146	m_pcBinIf->encodeBinEP( uiPredIdx );
1147	#endif
1148	}
1149	else
1150	{
1151	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1152
1153	#if LOGI_INTRA_NAME_3MPM
1154	if (uiPreds[0] > uiPreds[1])
1155	{
1156	std::swap(uiPreds[0], uiPreds[1]);
1157	}
1158	if (uiPreds[0] > uiPreds[2])
1159	{
1160	std::swap(uiPreds[0], uiPreds[2]);
1161	}
1162	if (uiPreds[1] > uiPreds[2])
1163	{
1164	std::swap(uiPreds[1], uiPreds[2]);
1165	}
1166	#endif
1167
1168	for(Int i = (uiPredNum - 1); i >= 0; i--)
1169	{
1170	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1171	}
1172
1173	#if LOGI_INTRA_NAME_3MPM
1174	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1175	#if LGE_EDGE_INTRA
1176	if (bCodeEdgeIntra)
1177	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1178	#endif
1179	#else
1180	if ( uiDir < 31 )
1181	{
1182	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1183	}
1184	else
1185	{
1186	m_pcBinIf->encodeBinsEP( 31, 5 );
1187	m_pcBinIf->encodeBinEP( uiDir - 31 );
1188	}
1189	#endif
1190	}
1191	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1192	}
1193	#endif
1194	return;
1195	}
1196
1197	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1198	{
1199	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1200
1201	if( uiIntraDirChroma == DM_CHROMA_IDX )
1202	{
1203	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1204	}
1205	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1206	{
1207	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1208	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1209	}
1210	else
1211	{
1212	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1213	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1214
1215	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1216	{
1217	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1218	{
1219	uiIntraDirChroma = i;
1220	break;
1221	}
1222	}
1223	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1224
1225	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1226	{
1227	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1228	}
1229	#if CHROMA_MODE_CODING
1230	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1231	#else
1232	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1233	#endif
1234	}
1235	return;
1236	}
1237
1238	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1239	{
1240	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1241	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1242	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1243	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1244
1245	return;
1246	}
1247
1248	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1249	{
1250	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1251	{
1252	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1253
1254	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1255	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1256
1257	if( iRefFrame > 0 )
1258	{
1259	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1260	}
1261	}
1262	else
1263	{
1264	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1265	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1266	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1267
1268	if( iRefFrame > 0 )
1269	{
1270	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1271	}
1272	}
1273	return;
1274	}
1275
1276	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1277	{
1278	#if H0111_MVD_L1_ZERO
1279	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1280	{
1281	return;
1282	}
1283	#endif
1284
1285	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1286	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1287	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1288	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1289
1290	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1291	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1292
1293	const Bool bHorAbsGr0 = iHor != 0;
1294	const Bool bVerAbsGr0 = iVer != 0;
1295	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1296	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1297	pCtx++;
1298
1299	if( bHorAbsGr0 )
1300	{
1301	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1302	}
1303
1304	if( bVerAbsGr0 )
1305	{
1306	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1307	}
1308
1309	if( bHorAbsGr0 )
1310	{
1311	if( uiHorAbs > 1 )
1312	{
1313	xWriteEpExGolomb( uiHorAbs-2, 1 );
1314	}
1315
1316	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1317	}
1318
1319	if( bVerAbsGr0 )
1320	{
1321	if( uiVerAbs > 1 )
1322	{
1323	xWriteEpExGolomb( uiVerAbs-2, 1 );
1324	}
1325
1326	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1327	}
1328
1329	return;
1330	}
1331
1332	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1333	{
1334	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1335
1336	#if H0736_AVC_STYLE_QP_RANGE
1337	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1338	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1339	#else
1340	#if LOSSLESS_CODING
1341	if(pcCU->getSlice()->getSPS()->getUseLossless())
1342	{
1343	if(iDQp > 25)
1344	{
1345	iDQp = iDQp - 52;
1346	}
1347	if(iDQp < -26)
1348	{
1349	iDQp = iDQp + 52;
1350	}
1351	}
1352	#endif
1353	#endif
1354
1355	if ( iDQp == 0 )
1356	{
1357	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1358	}
1359	else
1360	{
1361	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1362
1363	UInt uiSign = (iDQp > 0 ? 0 : 1);
1364	#if !H0736_AVC_STYLE_QP_RANGE
1365	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1366	#endif
1367
1368	m_pcBinIf->encodeBinEP(uiSign);
1369
1370	#if H0736_AVC_STYLE_QP_RANGE
1371	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1372	assert(iDQp <= (25+(qpBdOffsetY/2)));
1373
1374	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1375	#else
1376	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1377	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1378
1379	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1380	#endif
1381	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1382	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1383	}
1384
1385	return;
1386	}
1387
1388	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1389	{
1390	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1391	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1392	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1393	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1394	DTRACE_CABAC_T( "\tparseQtCbf()" )
1395	DTRACE_CABAC_T( "\tsymbol=" )
1396	DTRACE_CABAC_V( uiCbf )
1397	DTRACE_CABAC_T( "\tctx=" )
1398	DTRACE_CABAC_V( uiCtx )
1399	DTRACE_CABAC_T( "\tetype=" )
1400	DTRACE_CABAC_V( eType )
1401	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1402	DTRACE_CABAC_V( uiAbsPartIdx )
1403	DTRACE_CABAC_T( "\n" )
1404	}
1405
1406	#if BURST_IPCM
1407	/** Code I_PCM information.
1408	* \param pcCU pointer to CU
1409	* \param uiAbsPartIdx CU index
1410	* \param numIPCM the number of succesive IPCM blocks with the same size
1411	* \param firstIPCMFlag
1412	* \returns Void
1413	*/
1414	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1415	#else
1416	/** Code I_PCM information.
1417	* \param pcCU pointer to CU
1418	* \param uiAbsPartIdx CU index
1419	* \returns Void
1420	*
1421	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1422	*/
1423	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1424	#endif
1425	{
1426	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1427
1428	#if BURST_IPCM
1429	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1430
1431	if( uiIPCM == 0 \|\| firstIPCMFlag)
1432	{
1433	m_pcBinIf->encodeBinTrm (uiIPCM);
1434
1435	if ( firstIPCMFlag )
1436	{
1437	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1438	m_pcBinIf->encodePCMAlignBits();
1439	}
1440	}
1441	#else
1442	m_pcBinIf->encodeBinTrm (uiIPCM);
1443	#endif
1444
1445	#if BURST_IPCM
1446	if (writePCMSampleFlag)
1447	#else
1448	if (uiIPCM)
1449	#endif
1450	{
1451	#if !BURST_IPCM
1452	m_pcBinIf->encodePCMAlignBits();
1453	#endif
1454	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1455	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1456	UInt uiChromaOffset = uiLumaOffset>>2;
1457	Pel* piPCMSample;
1458	UInt uiWidth;
1459	UInt uiHeight;
1460	UInt uiSampleBits;
1461	UInt uiX, uiY;
1462
1463	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1464	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1465	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1466	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1467
1468	for(uiY = 0; uiY < uiHeight; uiY++)
1469	{
1470	for(uiX = 0; uiX < uiWidth; uiX++)
1471	{
1472	UInt uiSample = piPCMSample[uiX];
1473
1474	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1475	}
1476	piPCMSample += uiWidth;
1477	}
1478
1479	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1480	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1481	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1482	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1483
1484	for(uiY = 0; uiY < uiHeight; uiY++)
1485	{
1486	for(uiX = 0; uiX < uiWidth; uiX++)
1487	{
1488	UInt uiSample = piPCMSample[uiX];
1489
1490	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1491	}
1492	piPCMSample += uiWidth;
1493	}
1494
1495	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1496	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1497	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1498	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1499
1500	for(uiY = 0; uiY < uiHeight; uiY++)
1501	{
1502	for(uiX = 0; uiX < uiWidth; uiX++)
1503	{
1504	UInt uiSample = piPCMSample[uiX];
1505
1506	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1507	}
1508	piPCMSample += uiWidth;
1509	}
1510	#if BURST_IPCM
1511	numIPCM--;
1512	if(numIPCM == 0)
1513	{
1514	m_pcBinIf->resetBac();
1515	}
1516	#else
1517	m_pcBinIf->resetBac();
1518	#endif
1519	}
1520	}
1521
1522	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1523	{
1524	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1525	UInt uiCtx = 0;
1526	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1527	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1528	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1529	DTRACE_CABAC_T( "\tsymbol=" )
1530	DTRACE_CABAC_V( uiCbf )
1531	DTRACE_CABAC_T( "\tctx=" )
1532	DTRACE_CABAC_V( uiCtx )
1533	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1534	DTRACE_CABAC_V( uiAbsPartIdx )
1535	DTRACE_CABAC_T( "\n" )
1536	}
1537
1538	/** Encode (X,Y) position of the last significant coefficient
1539	* \param uiPosX X component of last coefficient
1540	* \param uiPosY Y component of last coefficient
1541	* \param width Block width
1542	* \param height Block height
1543	* \param eTType plane type / luminance or chrominance
1544	* \param uiScanIdx scan type (zig-zag, hor, ver)
1545	* This method encodes the X and Y component within a block of the last significant coefficient.
1546	*/
1547	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1548	{
1549	// swap
1550	if( uiScanIdx == SCAN_VER )
1551	{
1552	swap( uiPosX, uiPosY );
1553	}
1554
1555	UInt uiCtxLast;
1556	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1557	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1558	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1559	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1560
1561	// posX
1562	#if LAST_CTX_REDUCTION
1563	Int widthCtx = eTType? 4: width;
1564	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1565	#else
1566	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1567	#endif
1568	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1569	{
1570	#if LAST_CTX_REDUCTION
1571	if (eTType)
1572	{
1573	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1574	}
1575	else
1576	{
1577	#endif
1578	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1579	#if LAST_CTX_REDUCTION
1580	}
1581	#endif
1582	}
1583	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1584	{
1585	#if LAST_CTX_REDUCTION
1586	if ( eTType )
1587	{
1588	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1589	}
1590	else
1591	{
1592	#endif
1593	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1594	#if LAST_CTX_REDUCTION
1595	}
1596	#endif
1597	}
1598
1599	// posY
1600	#if LAST_CTX_REDUCTION
1601	Int heightCtx = eTType? 4: height;
1602	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1603	#else
1604	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1605	#endif
1606	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1607	{
1608	#if LAST_CTX_REDUCTION
1609	if (eTType)
1610	{
1611	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1612	}
1613	else
1614	{
1615	#endif
1616	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1617	#if LAST_CTX_REDUCTION
1618	}
1619	#endif
1620	}
1621	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1622	{
1623	#if LAST_CTX_REDUCTION
1624	if (eTType)
1625	{
1626	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1627	}
1628	else
1629	{
1630	#endif
1631	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1632	#if LAST_CTX_REDUCTION
1633	}
1634	#endif
1635	}
1636	if ( uiGroupIdxX > 3 )
1637	{
1638	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1639	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1640	for (Int i = uiCount - 1 ; i >= 0; i-- )
1641	{
1642	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1643	}
1644	}
1645	if ( uiGroupIdxY > 3 )
1646	{
1647	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1648	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1649	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1650	{
1651	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1652	}
1653	}
1654	}
1655
1656	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1657	{
1658	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1659	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1660	DTRACE_CABAC_V( eTType )
1661	DTRACE_CABAC_T( "\twidth=" )
1662	DTRACE_CABAC_V( uiWidth )
1663	DTRACE_CABAC_T( "\theight=" )
1664	DTRACE_CABAC_V( uiHeight )
1665	DTRACE_CABAC_T( "\tdepth=" )
1666	DTRACE_CABAC_V( uiDepth )
1667	DTRACE_CABAC_T( "\tabspartidx=" )
1668	DTRACE_CABAC_V( uiAbsPartIdx )
1669	DTRACE_CABAC_T( "\ttoCU-X=" )
1670	DTRACE_CABAC_V( pcCU->getCUPelX() )
1671	DTRACE_CABAC_T( "\ttoCU-Y=" )
1672	DTRACE_CABAC_V( pcCU->getCUPelY() )
1673	DTRACE_CABAC_T( "\tCU-addr=" )
1674	DTRACE_CABAC_V( pcCU->getAddr() )
1675	DTRACE_CABAC_T( "\tinCU-X=" )
1676	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1677	DTRACE_CABAC_T( "\tinCU-Y=" )
1678	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1679	DTRACE_CABAC_T( "\tpredmode=" )
1680	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1681	DTRACE_CABAC_T( "\n" )
1682
1683	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1684	{
1685	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1686	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1687	}
1688
1689	UInt uiNumSig = 0;
1690
1691	// compute number of significant coefficients
1692	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1693
1694	if ( uiNumSig == 0 )
1695	return;
1696
1697	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1698
1699	//----- encode significance map -----
1700	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1701	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1702	if (uiScanIdx == SCAN_ZIGZAG)
1703	{
1704	// Map zigzag to diagonal scan
1705	uiScanIdx = SCAN_DIAG;
1706	}
1707	Int blockType = uiLog2BlockSize;
1708	if (uiWidth != uiHeight)
1709	{
1710	uiScanIdx = SCAN_DIAG;
1711	blockType = 4;
1712	}
1713
1714	const UInt * scan;
1715	if (uiWidth == uiHeight)
1716	{
1717	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1718	}
1719	else
1720	{
1721	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1722	}
1723
1724	#if MULTIBITS_DATA_HIDING
1725	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1726	#if LOSSLESS_CODING
1727	Bool beValid;
1728	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1729	{
1730	beValid = false;
1731	}
1732	else
1733	{
1734	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1735	}
1736	#else
1737	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1738	#endif
1739	#endif
1740
1741	// Find position of last coefficient
1742	Int scanPosLast = -1;
1743	Int posLast;
1744
1745	const UInt * scanCG;
1746	if (uiWidth == uiHeight)
1747	{
1748	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1749	#if MULTILEVEL_SIGMAP_EXT
1750	if( uiLog2BlockSize == 3 )
1751	{
1752	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1753	}
1754	else if( uiLog2BlockSize == 5 )
1755	{
1756	scanCG = g_sigLastScanCG32x32;
1757	}
1758	#endif
1759	}
1760	else
1761	{
1762	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1763	}
1764	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1765	static const UInt uiShift = MLS_CG_SIZE >> 1;
1766	const UInt uiNumBlkSide = uiWidth >> uiShift;
1767
1768	#if !MULTILEVEL_SIGMAP_EXT
1769	if( blockType > 3 )
1770	{
1771	#endif
1772	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1773
1774	do
1775	{
1776	posLast = scan[ ++scanPosLast ];
1777
1778	// get L1 sig map
1779	UInt uiPosY = posLast >> uiLog2BlockSize;
1780	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1781	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1782	#if MULTILEVEL_SIGMAP_EXT
1783	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1784	{
1785	if( uiScanIdx == SCAN_HOR )
1786	{
1787	uiBlkIdx = uiPosY >> 1;
1788	}
1789	else if( uiScanIdx == SCAN_VER )
1790	{
1791	uiBlkIdx = uiPosX >> 1;
1792	}
1793	}
1794	#endif
1795	if( pcCoef[ posLast ] )
1796	{
1797	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1798	}
1799
1800	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1801	}
1802	while ( uiNumSig > 0 );
1803	#if !MULTILEVEL_SIGMAP_EXT
1804	}
1805	else
1806	{
1807
1808	do
1809	{
1810	posLast = scan[ ++scanPosLast ];
1811	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1812	}
1813	while ( uiNumSig > 0 );
1814
1815	}
1816	#endif
1817
1818	// Code position of last coefficient
1819	Int posLastY = posLast >> uiLog2BlockSize;
1820	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1821	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1822
1823	//===== code significance flag =====
1824	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1825	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1826
1827
1828	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1829	UInt uiNumOne = 0;
1830	UInt uiGoRiceParam = 0;
1831	Int iScanPosSig = scanPosLast;
1832
1833	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1834	{
1835	Int numNonZero = 0;
1836	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1837	uiGoRiceParam = 0;
1838	Int absCoeff[16];
1839	UInt coeffSigns = 0;
1840
1841	#if MULTIBITS_DATA_HIDING
1842	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1843	#endif
1844
1845	if( iScanPosSig == scanPosLast )
1846	{
1847	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1848	coeffSigns = ( pcCoef[ posLast ] < 0 );
1849	numNonZero = 1;
1850	#if MULTIBITS_DATA_HIDING
1851	lastNZPosInCG = iScanPosSig;
1852	firstNZPosInCG = iScanPosSig;
1853	#endif
1854	iScanPosSig--;
1855	}
1856
1857	#if !MULTILEVEL_SIGMAP_EXT
1858	if( blockType > 3 )
1859	{
1860	#endif
1861	// encode significant_coeffgroup_flag
1862	Int iCGBlkPos = scanCG[ iSubSet ];
1863	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1864	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1865	#if MULTILEVEL_SIGMAP_EXT
1866	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1867	{
1868	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1869	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1870	}
1871	#endif
1872	#if !REMOVE_INFER_SIGGRP
1873	Bool bInferredCGFlag = false;
1874	#endif
1875	#if REMOVE_INFER_SIGGRP
1876	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1877	#else
1878	if( iSubSet == iLastScanSet )
1879	#endif
1880	{
1881	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1882	}
1883	else
1884	{
1885	#if !REMOVE_INFER_SIGGRP
1886	#if MULTILEVEL_SIGMAP_EXT
1887	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1888	#else
1889	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1890	#endif
1891	{
1892	#endif
1893	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1894	#if MULTILEVEL_SIGMAP_EXT
1895	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1896	#else
1897	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1898	#endif
1899	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1900	#if !REMOVE_INFER_SIGGRP
1901	}
1902	else
1903	{
1904	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1905	bInferredCGFlag = true;
1906	}
1907	#endif
1908	}
1909
1910	// encode significant_coeff_flag
1911	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1912	{
1913	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1914	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1915	{
1916	uiBlkPos = scan[ iScanPosSig ];
1917	uiPosY = uiBlkPos >> uiLog2BlockSize;
1918	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1919	uiSig = (pcCoef[ uiBlkPos ] != 0);
1920	#if REMOVE_INFER_SIGGRP
1921	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1922	#else
1923	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1924	#endif
1925	{
1926	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1927	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1928	}
1929	if( uiSig )
1930	{
1931	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1932	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1933	numNonZero++;
1934	#if MULTIBITS_DATA_HIDING
1935	if( lastNZPosInCG == -1 )
1936	{
1937	lastNZPosInCG = iScanPosSig;
1938	}
1939	firstNZPosInCG = iScanPosSig;
1940	#endif
1941	}
1942	}
1943	}
1944	else
1945	{
1946	iScanPosSig = iSubPos - 1;
1947	}
1948	#if !MULTILEVEL_SIGMAP_EXT
1949	}
1950	else
1951	{
1952
1953	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1954	{
1955	UInt uiBlkPos = scan[ iScanPosSig ];
1956	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1957	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1958	UInt uiSig = 0;
1959	if( pcCoef[ uiBlkPos ] != 0 )
1960	{
1961	uiSig = 1;
1962	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1963	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1964	numNonZero++;
1965	#if MULTIBITS_DATA_HIDING
1966	if( lastNZPosInCG == -1 )
1967	{
1968	lastNZPosInCG = iScanPosSig;
1969	}
1970	firstNZPosInCG = iScanPosSig;
1971	#endif
1972	}
1973	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1974	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1975	}
1976
1977	}
1978	#endif
1979
1980	if( numNonZero > 0 )
1981	{
1982	#if MULTIBITS_DATA_HIDING
1983	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1984	#endif // MULTIBITS_DATA_HIDING
1985
1986	UInt c1 = 1;
1987	#if !RESTRICT_GR1GR2FLAG_NUMBER
1988	UInt c2 = 0;
1989	#endif
1990	#if LEVEL_CTX_LUMA_RED
1991	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1992	#else
1993	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1994	#endif
1995
1996	if( uiNumOne > 0 )
1997	{
1998	uiCtxSet++;
1999	#if !LEVEL_CTX_LUMA_RED
2000	if( uiNumOne > 3 && eTType==TEXT_LUMA)
2001	{
2002	uiCtxSet++;
2003	}
2004	#endif
2005	}
2006
2007	uiNumOne >>= 1;
2008	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
2009
2010	#if RESTRICT_GR1GR2FLAG_NUMBER
2011	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2012	Int firstC2FlagIdx = -1;
2013	for( Int idx = 0; idx < numC1Flag; idx++ )
2014	#else
2015	for ( Int idx = 0; idx < numNonZero; idx++ )
2016	#endif
2017	{
2018	UInt uiSymbol = absCoeff[ idx ] > 1;
2019	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2020	if( uiSymbol )
2021	{
2022	c1 = 0;
2023
2024	#if RESTRICT_GR1GR2FLAG_NUMBER
2025	if (firstC2FlagIdx == -1)
2026	{
2027	firstC2FlagIdx = idx;
2028	}
2029	#endif
2030	}
2031	else if( (c1 < 3) && (c1 > 0) )
2032	{
2033	c1++;
2034	}
2035	}
2036
2037	if (c1 == 0)
2038	{
2039
2040	#if RESTRICT_GR1GR2FLAG_NUMBER
2041	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
2042	if ( firstC2FlagIdx != -1)
2043	{
2044	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2045	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2046	}
2047	#else
2048	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
2049	for ( Int idx = 0; idx < numNonZero; idx++ )
2050	{
2051	if( absCoeff[ idx ] > 1 )
2052	{
2053	UInt symbol = absCoeff[ idx ] > 2;
2054	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
2055	c2 += (c2 < 2);
2056	uiNumOne++;
2057	}
2058	}
2059	#endif
2060	}
2061
2062	#if MULTIBITS_DATA_HIDING
2063	if( beValid && signHidden )
2064	{
2065	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2066	}
2067	else
2068	{
2069	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2070	}
2071	#else
2072	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2073	#endif
2074
2075	#if RESTRICT_GR1GR2FLAG_NUMBER
2076	Int iFirstCoeff2 = 1;
2077	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
2078	#else
2079	if (c1 == 0)
2080	#endif
2081	{
2082	for ( Int idx = 0; idx < numNonZero; idx++ )
2083	{
2084	#if RESTRICT_GR1GR2FLAG_NUMBER
2085	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2086
2087	if( absCoeff[ idx ] >= baseLevel)
2088	{
2089	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
2090	}
2091	if(absCoeff[ idx ] >= 2)
2092	{
2093	iFirstCoeff2 = 0;
2094	uiNumOne++;
2095	}
2096	#else
2097	if ( absCoeff[ idx ] > 2 )
2098	{
2099	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2100	}
2101	#endif
2102	}
2103	}
2104	}
2105	else
2106	{
2107	uiNumOne >>= 1;
2108	}
2109	}
2110
2111	return;
2112	}
2113
2114	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2115	{
2116	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2117	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2118	}
2119
2120	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2121	{
2122	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2123	}
2124
2125	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2126	{
2127	Int i;
2128
2129	if ( uiCode == 0 )
2130	{
2131	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2132	}
2133	else
2134	{
2135	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2136	for ( i=0; i<uiCode-1; i++ )
2137	{
2138	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2139	}
2140	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2141	}
2142	}
2143
2144	Void TEncSbac::codeAlfSvlc ( Int iCode )
2145	{
2146	Int i;
2147
2148	if ( iCode == 0 )
2149	{
2150	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2151	}
2152	else
2153	{
2154	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2155
2156	// write sign
2157	if ( iCode > 0 )
2158	{
2159	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2160	}
2161	else
2162	{
2163	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2164	iCode = -iCode;
2165	}
2166
2167	// write magnitude
2168	for ( i=0; i<iCode-1; i++ )
2169	{
2170	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2171	}
2172	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2173	}
2174	}
2175
2176	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2177	{
2178	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2179	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2180	}
2181
2182	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2183	{
2184	Int i;
2185
2186	if ( uiCode == 0 )
2187	{
2188	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2189	}
2190	else
2191	{
2192	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2193	for ( i=0; i<uiCode-1; i++ )
2194	{
2195	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2196	}
2197	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2198	}
2199	}
2200
2201	Void TEncSbac::codeSaoSvlc ( Int iCode )
2202	{
2203	Int i;
2204
2205	if ( iCode == 0 )
2206	{
2207	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2208	}
2209	else
2210	{
2211	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2212
2213	// write sign
2214	if ( iCode > 0 )
2215	{
2216	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2217	}
2218	else
2219	{
2220	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2221	iCode = -iCode;
2222	}
2223
2224	// write magnitude
2225	for ( i=0; i<iCode-1; i++ )
2226	{
2227	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2228	}
2229	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2230	}
2231	}
2232	#if SAO_UNIT_INTERLEAVING
2233	/** Code SAO band position
2234	* \param uiCode
2235	*/
2236	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2237	{
2238	for (Int i=0;i<5;i++)
2239	{
2240	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2241	}
2242	}
2243	/** Code SAO merge left flag
2244	* \param uiCode
2245	* \param uiCompIdx
2246	*/
2247	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2248	{
2249	if (uiCode == 0)
2250	{
2251	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2252	}
2253	else
2254	{
2255	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2256	}
2257	}
2258	/** Code SAO merge up flag
2259	* \param uiCode
2260	*/
2261	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2262	{
2263	if (uiCode == 0)
2264	{
2265	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2266	}
2267	else
2268	{
2269	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2270	}
2271	}
2272	/** Code SAO type index
2273	* \param uiCode
2274	*/
2275	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2276	{
2277	Int i;
2278	if ( uiCode == 0 )
2279	{
2280	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2281	}
2282	else
2283	{
2284	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2285	for ( i=0; i<uiCode-1; i++ )
2286	{
2287	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2288	}
2289	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2290	}
2291	}
2292	#endif
2293	/*!
2294	****************************************************************************
2295	* \brief
2296	* estimate bit cost for CBP, significant map and significant coefficients
2297	****************************************************************************
2298	*/
2299	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2300	{
2301	estCBFBit( pcEstBitsSbac, 0, eTType );
2302
2303	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2304
2305	// encode significance map
2306	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2307
2308	// encode significant coefficients
2309	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2310	}
2311
2312	/*!
2313	****************************************************************************
2314	* \brief
2315	* estimate bit cost for each CBP bit
2316	****************************************************************************
2317	*/
2318	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2319	{
2320	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2321
2322	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2323	{
2324	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2325	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2326	}
2327
2328	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2329
2330	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2331	{
2332	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2333	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2334	}
2335	}
2336
2337
2338	/*!
2339	****************************************************************************
2340	* \brief
2341	* estimate SAMBAC bit cost for significant coefficient group map
2342	****************************************************************************
2343	*/
2344	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2345	{
2346	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2347
2348	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2349	{
2350	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2351	{
2352	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2353	}
2354	}
2355	}
2356
2357
2358	/*!
2359	****************************************************************************
2360	* \brief
2361	* estimate SAMBAC bit cost for significant coefficient map
2362	****************************************************************************
2363	*/
2364	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2365	{
2366	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2367	if (std::max(width, height) >= 16)
2368	{
2369	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2370	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2371	}
2372	else if (width == 8)
2373	{
2374	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2375	numCtx = 11;
2376	}
2377
2378	if (eTType == TEXT_LUMA )
2379	{
2380	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2381	{
2382	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2383	{
2384	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2385	}
2386	}
2387	}
2388	else
2389	{
2390	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2391	{
2392	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2393	{
2394	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2395	}
2396	}
2397	}
2398	Int iBitsX = 0, iBitsY = 0;
2399	const UInt *puiCtxIdx;
2400	Int ctx;
2401	#if LAST_CTX_REDUCTION
2402	Int widthCtx = eTType? 4 : width;
2403	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2404	#else
2405	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2406	#endif
2407	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2408	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2409	{
2410	Int ctxOffset = puiCtxIdx[ ctx ];
2411	#if LAST_CTX_REDUCTION
2412	if (eTType)
2413	{
2414	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2415	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2416	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2417	}
2418	else
2419	{
2420	#endif
2421	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2422	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2423	#if LAST_CTX_REDUCTION
2424	}
2425	#endif
2426	}
2427	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2428
2429	#if LAST_CTX_REDUCTION
2430	Int heightCtx = eTType? 4 : height;
2431	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2432	#else
2433	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2434	#endif
2435	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2436	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2437	{
2438	Int ctxOffset = puiCtxIdx[ ctx ];
2439	#if LAST_CTX_REDUCTION
2440	if (eTType)
2441	{
2442	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2443	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2444	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2445	}
2446	else
2447	{
2448	#endif
2449	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2450	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2451	#if LAST_CTX_REDUCTION
2452	}
2453	#endif
2454	}
2455	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2456	}
2457
2458	/*!
2459	****************************************************************************
2460	* \brief
2461	* estimate bit cost of significant coefficient
2462	****************************************************************************
2463	*/
2464	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2465	{
2466	if (eTType==TEXT_LUMA)
2467	{
2468	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2469	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2470
2471	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2472	{
2473	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2474	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2475	}
2476
2477	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2478	{
2479	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2480	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2481	}
2482	}
2483	else
2484	{
2485	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2486	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2487
2488	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2489	{
2490	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2491	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2492	}
2493
2494	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2495	{
2496	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2497	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2498	}
2499	}
2500	}
2501
2502	/**
2503	- Initialize our context information from the nominated source.
2504	.
2505	\param pSrc From where to copy context information.
2506	*/
2507	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2508	{
2509	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2510	}
2511
2512	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2513	{
2514	this->xCopyContextsFrom(pScr);
2515	}
2516
2517	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC)
2518	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2519	{
2520	if( uiSymbol )
2521	{
2522	m_pcBinIf->encodeBin( 1, rcSCModel );
2523	UInt uiCount = 0;
2524	Bool bNoExGo = (uiSymbol < 13);
2525
2526	while( --uiSymbol && ++uiCount < 13 )
2527	{
2528	m_pcBinIf->encodeBin( 1, rcSCModel );
2529	}
2530	if( bNoExGo )
2531	{
2532	m_pcBinIf->encodeBin( 0, rcSCModel );
2533	}
2534	else
2535	{
2536	xWriteEpExGolomb( uiSymbol, 0 );
2537	}
2538	}
2539	else
2540	{
2541	m_pcBinIf->encodeBin( 0, rcSCModel );
2542	}
2543
2544	return;
2545	}
2546	#endif
2547	#if HHI_DMM_WEDGE_INTRA
2548	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2549	{
2550	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2551	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2552
2553	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2554
2555	for ( Int i = 0; i < iBits; i++ )
2556	{
2557	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2558	}
2559	}
2560
2561	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2562	{
2563	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2564	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2565
2566	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2567
2568	for ( Int i = 0; i < iBits; i++ )
2569	{
2570	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2571	}
2572
2573	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2574	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2575
2576	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2577	if ( iDeltaDC1 != 0 )
2578	{
2579	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2580	m_pcBinIf->encodeBinEP( uiSign );
2581	}
2582	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2583	if ( iDeltaDC2 != 0 )
2584	{
2585	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2586	m_pcBinIf->encodeBinEP( uiSign );
2587	}
2588	}
2589
2590	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2591	{
2592	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2593	{
2594	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2595	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2596
2597	if( iDeltaEnd != 0 )
2598	{
2599	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2600	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2601	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2602
2603	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2604	m_pcBinIf->encodeBinEP( uiSign );
2605	}
2606	}
2607	}
2608
2609	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2610	{
2611	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2612	{
2613	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2614	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2615
2616	if( iDeltaEnd != 0 )
2617	{
2618	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2619	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2620	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2621
2622	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2623	m_pcBinIf->encodeBinEP( uiSign );
2624	}
2625	}
2626
2627	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2628	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2629
2630	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2631	if ( iDeltaDC1 != 0 )
2632	{
2633	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2634	m_pcBinIf->encodeBinEP( uiSign );
2635	}
2636	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2637	if ( iDeltaDC2 != 0 )
2638	{
2639	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2640	m_pcBinIf->encodeBinEP( uiSign );
2641	}
2642	}
2643	#endif
2644	#if HHI_DMM_PRED_TEX
2645	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2646	{
2647	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2648	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2649
2650	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2651	if ( iDeltaDC1 != 0 )
2652	{
2653	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2654	m_pcBinIf->encodeBinEP( uiSign );
2655	}
2656	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2657	if ( iDeltaDC2 != 0 )
2658	{
2659	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2660	m_pcBinIf->encodeBinEP( uiSign );
2661	}
2662	}
2663
2664	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2665	{
2666	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2667	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2668
2669	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2670	if ( iDeltaDC1 != 0 )
2671	{
2672	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2673	m_pcBinIf->encodeBinEP( uiSign );
2674	}
2675	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2676	if ( iDeltaDC2 != 0 )
2677	{
2678	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2679	m_pcBinIf->encodeBinEP( uiSign );
2680	}
2681	}
2682	#endif
2683	//! \}

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source: 3DVCSoftware/branches/HTM-4.0.1-VSP-dev0/source/Lib/TLibEncoder/TEncSbac.cpp @ 193

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