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TEncSbac.cpp

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Last change on this file was 139, checked in by nokia, 12 years ago
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1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2012, ITU/ISO/IEC
7	* All rights reserved.
8	*
9	* Redistribution and use in source and binary forms, with or without
10	* modification, are permitted provided that the following conditions are met:
11	*
12	* * Redistributions of source code must retain the above copyright notice,
13	* this list of conditions and the following disclaimer.
14	* * Redistributions in binary form must reproduce the above copyright notice,
15	* this list of conditions and the following disclaimer in the documentation
16	* and/or other materials provided with the distribution.
17	* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18	* be used to endorse or promote products derived from this software without
19	* specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31	* THE POSSIBILITY OF SUCH DAMAGE.
32	*/
33
34	/** \file TEncSbac.cpp
35	\brief SBAC encoder class
36	*/
37
38	#include "TEncTop.h"
39	#include "TEncSbac.h"
40
41	#include <map>
42	#include <algorithm>
43
44	//! \ingroup TLibEncoder
45	//! \{
46
47	// ====================================================================================================================
48	// Constructor / destructor / create / destroy
49	// ====================================================================================================================
50
51	TEncSbac::TEncSbac()
52	// new structure here
53	: m_pcBitIf ( NULL )
54	, m_pcSlice ( NULL )
55	, m_pcBinIf ( NULL )
56	, m_bAlfCtrl ( false )
57	, m_uiCoeffCost ( 0 )
58	, m_uiMaxAlfCtrlDepth ( 0 )
59	, m_numContextModels ( 0 )
60	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels )
61	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
62	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
63	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#if HHI_INTER_VIEW_RESIDUAL_PRED
65	, m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66	#endif
67	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
68	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	#if AMP_CTX
90	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
91	#else
92	, m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	#endif
95	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	#if SAO_UNIT_INTERLEAVING
99	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	#endif
103	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
104	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	#endif
108	#if LGE_EDGE_INTRA
109	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#if LGE_EDGE_INTRA_DELTA_DC
111	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
112	#endif
113	#endif
114	{
115	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
116	m_iSliceGranularity = 0;
117	}
118
119	TEncSbac::~TEncSbac()
120	{
121	}
122
123	// ====================================================================================================================
124	// Public member functions
125	// ====================================================================================================================
126
127	Void TEncSbac::resetEntropy ()
128	{
129	Int iQp = m_pcSlice->getSliceQp();
130	SliceType eSliceType = m_pcSlice->getSliceType();
131
132	#if CABAC_INIT_FLAG
133	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
134	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
135	{
136	eSliceType = (SliceType) encCABACTableIdx;
137	}
138	#endif
139
140	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
141
142	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
143	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
144	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
145	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
146	#if HHI_INTER_VIEW_RESIDUAL_PRED
147	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
148	#endif
149	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
150	#if AMP_CTX
151	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
152	#else
153	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
154	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
155	#endif
156	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
157	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
158	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
159	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
160	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
161	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
162	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
163	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
164	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
165	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
166	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
167	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
168	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
169	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
170	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
171	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
172	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
173	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
174	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
175	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
176	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
177	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
178	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
179	#if SAO_UNIT_INTERLEAVING
180	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
181	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
182	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
183	#endif
184	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
185	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
186	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
187	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
188	#endif
189	#if LGE_EDGE_INTRA
190	m_cEdgeIntraSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA );
191	#if LGE_EDGE_INTRA_DELTA_DC
192	m_cEdgeIntraDeltaDCSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
193	#endif
194	#endif
195
196	// new structure
197	m_uiLastQp = iQp;
198
199	m_pcBinIf->start();
200
201	return;
202	}
203
204	#if CABAC_INIT_FLAG
205	/** The function does the following:
206	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
207	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
208	*/
209	Void TEncSbac::determineCabacInitIdx()
210	{
211	Int qp = m_pcSlice->getSliceQp();
212
213	if (!m_pcSlice->isIntra())
214	{
215	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
216
217	UInt bestCost = MAX_UINT;
218	SliceType bestSliceType = aSliceTypeChoices[0];
219	for (UInt idx=0; idx<2; idx++)
220	{
221	UInt curCost = 0;
222	SliceType curSliceType = aSliceTypeChoices[idx];
223
224	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
225	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
226	curCost += m_cCUAlfCtrlFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
227	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
228	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
229	#if HHI_INTER_VIEW_RESIDUAL_PRED
230	curCost += m_cResPredFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_RES_PRED_FLAG);
231	#endif
232	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
233	#if AMP_CTX
234	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
235	#else
236	curCost += m_cCUXPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_X_POS );
237	curCost += m_cCUYPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_Y_POS );
238	#endif
239	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
240	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
241	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
242	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
243	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
244	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
245	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
246	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
247	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
248	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
249	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
250	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
251	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
252	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
253	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
254	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
255	curCost += m_cALFFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_FLAG );
256	curCost += m_cALFUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_UVLC );
257	curCost += m_cALFSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_SVLC );
258	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
259	curCost += m_cSaoFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_FLAG );
260	curCost += m_cSaoUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_UVLC );
261	curCost += m_cSaoSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_SVLC );
262	#if SAO_UNIT_INTERLEAVING
263	curCost += m_cSaoMergeLeftSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
264	curCost += m_cSaoMergeUpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
265	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
266	#endif
267
268	if (curCost < bestCost)
269	{
270	bestSliceType = curSliceType;
271	bestCost = curCost;
272	}
273	}
274	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
275	}
276	else
277	{
278	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
279	}
280
281	#if CABAC_INIT_FLAG && POZNAN_CABAC_INIT_FLAG_FIX
282	m_pcSlice->getPPS()->setEncPrevPOC( m_pcSlice->getPOC() );
283	#endif
284	}
285	#endif
286
287
288	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
289	*/
290	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
291	{
292	m_pcBinIf->encodeBinTrm(1);
293	if (bExecuteFinish) m_pcBinIf->finish();
294	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
295
296	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
297	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
298	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
299	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
300	#if HHI_INTER_VIEW_RESIDUAL_PRED
301	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
302	#endif
303	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
304	#if AMP_CTX
305	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
306	#else
307	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
308	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
309	#endif
310	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
311	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
312	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
313	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
314	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
315	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
316	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
317	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
318	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
319	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
320	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
321	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
322	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
323	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
324	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
325	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
326	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
327	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
328	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
329	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
330	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
331	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
332	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
333	#if SAO_UNIT_INTERLEAVING
334	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
335	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
336	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
337	#endif
338	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
339	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
340	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
341	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
342	#endif
343
344	m_pcBinIf->start();
345	}
346
347	Void TEncSbac::writeTileMarker( UInt uiTileIdx, UInt uiBitsUsed )
348	{
349	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
350	{
351	m_pcBinIf->encodeBinEP ( (uiTileIdx & (1 << iShift)) >> iShift );
352	}
353	}
354
355	void TEncSbac::codeSEI(const SEI&)
356	{
357	assert(0);
358	}
359
360	#if VIDYO_VPS_INTEGRATION
361	Void TEncSbac::codeVPS( TComVPS* pcVPS )
362	{
363	assert (0);
364	return;
365	}
366	#endif
367
368	#if HHI_MPI
369	Void TEncSbac::codeSPS( TComSPS* pcSPS, Bool bIsDepth )
370	#else
371	Void TEncSbac::codeSPS( TComSPS* pcSPS )
372	#endif
373	{
374	assert (0);
375	return;
376	}
377
378	Void TEncSbac::codePPS( TComPPS* pcPPS )
379	{
380	assert (0);
381	return;
382	}
383
384	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
385	{
386	assert (0);
387	return;
388	}
389
390	#if TILES_WPP_ENTRY_POINT_SIGNALLING
391	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
392	{
393	assert (0);
394	return;
395	}
396	#else
397	Void TEncSbac::codeSliceHeaderSubstreamTable( TComSlice* pcSlice )
398	{
399	assert (0);
400	}
401	#endif
402
403	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
404	{
405	m_pcBinIf->encodeBinTrm( uilsLast );
406	}
407
408	Void TEncSbac::codeSliceFinish()
409	{
410	m_pcBinIf->finish();
411	}
412
413	#if OL_FLUSH
414	Void TEncSbac::codeFlush()
415	{
416	m_pcBinIf->flush();
417	}
418
419	Void TEncSbac::encodeStart()
420	{
421	m_pcBinIf->start();
422	}
423	#endif
424
425	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
426	{
427	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
428
429	if( 0 == uiSymbol)
430	{
431	return;
432	}
433
434	while( uiSymbol-- )
435	{
436	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
437	}
438
439	return;
440	}
441
442	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
443	{
444	if (uiMaxSymbol == 0)
445	{
446	return;
447	}
448
449	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
450
451	if ( uiSymbol == 0 )
452	{
453	return;
454	}
455
456	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
457
458	while( --uiSymbol )
459	{
460	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
461	}
462	if( bCodeLast )
463	{
464	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
465	}
466
467	return;
468	}
469
470	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
471	{
472	UInt bins = 0;
473	Int numBins = 0;
474
475	while( uiSymbol >= (UInt)(1<<uiCount) )
476	{
477	bins = 2 * bins + 1;
478	numBins++;
479	uiSymbol -= 1 << uiCount;
480	uiCount ++;
481	}
482	bins = 2 * bins + 0;
483	numBins++;
484
485	bins = (bins << uiCount) \| uiSymbol;
486	numBins += uiCount;
487
488	assert( numBins <= 32 );
489	m_pcBinIf->encodeBinsEP( bins, numBins );
490	}
491
492	/** Coding of coeff_abs_level_minus3
493	* \param uiSymbol value of coeff_abs_level_minus3
494	* \param ruiGoRiceParam reference to Rice parameter
495	* \returns Void
496	*/
497	Void TEncSbac::xWriteGoRiceExGolomb( UInt uiSymbol, UInt &ruiGoRiceParam )
498	{
499	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
500	Bool bExGolomb = ( uiSymbol > uiMaxVlc );
501	UInt uiCodeWord = min<UInt>( uiSymbol, ( uiMaxVlc + 1 ) );
502	UInt uiQuotient = uiCodeWord >> ruiGoRiceParam;
503	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
504
505	UInt binValues;
506	Int numBins;
507
508	if ( uiQuotient >= uiMaxPreLen )
509	{
510	numBins = uiMaxPreLen;
511	binValues = ( 1 << numBins ) - 1;
512	}
513	else
514	{
515	numBins = uiQuotient + 1;
516	binValues = ( 1 << numBins ) - 2;
517	}
518
519	m_pcBinIf->encodeBinsEP( ( binValues << ruiGoRiceParam ) + uiCodeWord - ( uiQuotient << ruiGoRiceParam ), numBins + ruiGoRiceParam );
520
521	#if EIGHT_BITS_RICE_CODE
522	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 23 ) ];
523	#else
524	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 15 ) ];
525	#endif
526
527	if( bExGolomb )
528	{
529	uiSymbol -= uiMaxVlc + 1;
530	xWriteEpExGolomb( uiSymbol, 0 );
531	}
532	}
533
534	// SBAC RD
535	Void TEncSbac::load ( TEncSbac* pSrc)
536	{
537	this->xCopyFrom(pSrc);
538	}
539
540	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
541	{
542	m_pcBinIf->copyState( pSrc->m_pcBinIf );
543
544	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
545	}
546
547
548	Void TEncSbac::store( TEncSbac* pDest)
549	{
550	pDest->xCopyFrom( this );
551	}
552
553
554	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
555	{
556	m_pcBinIf->copyState( pSrc->m_pcBinIf );
557
558	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
559	this->m_uiLastQp = pSrc->m_uiLastQp;
560
561	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
562	}
563
564	#if HHI_INTER_VIEW_MOTION_PRED
565	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum )
566	#else
567	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
568	#endif
569	{
570	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
571	#if HHI_INTER_VIEW_MOTION_PRED
572	#else
573	Int iNum = AMVP_MAX_NUM_CANDS;
574	#endif
575
576	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
577	}
578
579	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
580	{
581	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
582	if ( pcCU->isIntra( uiAbsPartIdx ) )
583	{
584	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
585	{
586	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
587	}
588	return;
589	}
590
591	switch(eSize)
592	{
593	case SIZE_2Nx2N:
594	{
595	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
596	break;
597	}
598	case SIZE_2NxN:
599	case SIZE_2NxnU:
600	case SIZE_2NxnD:
601	{
602	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
603	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
604	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
605	{
606	if (eSize == SIZE_2NxN)
607	{
608	#if AMP_CTX
609	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
610	#else
611	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
612	#endif
613	}
614	else
615	{
616	#if AMP_CTX
617	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
618	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
619	#else
620	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
621	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
622	#endif
623	}
624	}
625	break;
626	}
627	case SIZE_Nx2N:
628	case SIZE_nLx2N:
629	case SIZE_nRx2N:
630	{
631	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
632	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
633	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
634	{
635	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
636	}
637	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
638	{
639	if (eSize == SIZE_Nx2N)
640	{
641	#if AMP_CTX
642	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
643	#else
644	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
645	#endif
646	}
647	else
648	{
649	#if AMP_CTX
650	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
651	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
652	#else
653	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
654	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
655	#endif
656	}
657	}
658	break;
659	}
660	case SIZE_NxN:
661	{
662	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
663	{
664	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
665	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
666	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
667	}
668	break;
669	}
670	default:
671	{
672	assert(0);
673	}
674	}
675	}
676
677	/** code prediction mode
678	* \param pcCU
679	* \param uiAbsPartIdx
680	* \returns Void
681	*/
682	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
683	{
684	// get context function is here
685	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
686	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
687	}
688
689	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
690	{
691	if (!m_bAlfCtrl)
692	return;
693
694	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
695	{
696	return;
697	}
698
699	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
700	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
701	}
702
703	Void TEncSbac::codeAlfCtrlDepth()
704	{
705	if (!m_bAlfCtrl)
706	return;
707
708	UInt uiDepth = m_uiMaxAlfCtrlDepth;
709	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
710	}
711
712	/** code skip flag
713	* \param pcCU
714	* \param uiAbsPartIdx
715	* \returns Void
716	*/
717	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
718	{
719	// get context function is here
720	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
721	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
722	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
723	DTRACE_CABAC_VL( g_nSymbolCounter++ );
724	DTRACE_CABAC_T( "\tSkipFlag" );
725	DTRACE_CABAC_T( "\tuiCtxSkip: ");
726	DTRACE_CABAC_V( uiCtxSkip );
727	DTRACE_CABAC_T( "\tuiSymbol: ");
728	DTRACE_CABAC_V( uiSymbol );
729	DTRACE_CABAC_T( "\n");
730	}
731
732	/** code merge flag
733	* \param pcCU
734	* \param uiAbsPartIdx
735	* \returns Void
736	*/
737	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
738	{
739	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
740	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
741
742	DTRACE_CABAC_VL( g_nSymbolCounter++ );
743	DTRACE_CABAC_T( "\tMergeFlag: " );
744	DTRACE_CABAC_V( uiSymbol );
745	DTRACE_CABAC_T( "\tAddress: " );
746	DTRACE_CABAC_V( pcCU->getAddr() );
747	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
748	DTRACE_CABAC_V( uiAbsPartIdx );
749	DTRACE_CABAC_T( "\n" );
750	}
751
752	/** code merge index
753	* \param pcCU
754	* \param uiAbsPartIdx
755	* \returns Void
756	*/
757	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
758	{
759	UInt uiNumCand = MRG_MAX_NUM_CANDS;
760	#if !MRG_IDX_CTX_RED
761	UInt auiCtx[4] = { 0, 1, 2, 3 };
762	#endif
763	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
764	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
765	#if HHI_MPI
766	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
767	if( bMVIAvailable )
768	{
769	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
770	if( bUseMVI )
771	{
772	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
773	}
774	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
775	{
776	uiUnaryIdx++;
777	}
778	}
779	#endif
780	if ( uiNumCand > 1 )
781	{
782	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
783	{
784	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
785	#if MRG_IDX_CTX_RED
786	if ( ui==0 )
787	{
788	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
789	}
790	else
791	{
792	m_pcBinIf->encodeBinEP( uiSymbol );
793	}
794	#else
795	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
796	#endif
797	if( uiSymbol == 0 )
798	{
799	break;
800	}
801	}
802	}
803	DTRACE_CABAC_VL( g_nSymbolCounter++ );
804	DTRACE_CABAC_T( "\tparseMergeIndex()" );
805	DTRACE_CABAC_T( "\tuiMRGIdx= " );
806	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
807	DTRACE_CABAC_T( "\n" );
808	}
809
810	#if HHI_INTER_VIEW_RESIDUAL_PRED
811	Void
812	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
813	{
814	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
815	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
816	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
817	}
818	#endif
819
820	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
821	{
822	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
823	return;
824
825	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
826	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
827
828	assert( uiCtx < 3 );
829	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
830	DTRACE_CABAC_VL( g_nSymbolCounter++ )
831	DTRACE_CABAC_T( "\tSplitFlag\n" )
832	return;
833	}
834
835	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
836	{
837	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
838	DTRACE_CABAC_VL( g_nSymbolCounter++ )
839	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
840	DTRACE_CABAC_T( "\tsymbol=" )
841	DTRACE_CABAC_V( uiSymbol )
842	DTRACE_CABAC_T( "\tctx=" )
843	DTRACE_CABAC_V( uiCtx )
844	DTRACE_CABAC_T( "\n" )
845	}
846
847	#if LGE_EDGE_INTRA
848	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
849	{
850	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
851	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
852	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
853	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
854	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
855	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
856	UInt uiSymbol;
857
858	// 1. Top(0) or Left(1)
859	uiSymbol = (bLeft == false) ? 0 : 1;
860	m_pcBinIf->encodeBinEP( uiSymbol );
861
862	// 2. Start position (lowest bit first)
863	uiSymbol = ucStart;
864	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
865	{
866	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
867	uiSymbol >>= 1;
868	}
869
870	// 3. Number of edges
871	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
872	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
873	{
874	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
875	uiSymbol >>= 1;
876	}
877
878	if(uiSymbol != 0)
879	{
880	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
881	assert(false);
882	}
883
884	// 4. Edges
885	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
886	{
887	UInt uiReorderSymbol = pucSymbolList[iPtr2];
888
889	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
890
891	// Left-friendly direction (Top start)
892	// 0 ( 0deg) => 0
893	// 1 ( 45deg) => 10
894	// 2 ( -45deg) => 110
895	// 3 ( 90deg) => 1110
896	// 4 ( -90deg) => 11110
897	// 5 ( 135deg) => 111110
898	// 6 (-135deg) => 111111
899	// Right-friendly direction (Left start)
900	// 0 ( 0deg) => 0
901	// 2 ( -45deg) => 10
902	// 1 ( 45deg) => 110
903	// 4 ( -90deg) => 1110
904	// 3 ( 90deg) => 11110
905	// 6 (-135deg) => 111110
906	// 5 ( 135deg) => 111111
907
908	// refer to a paper "An efficient chain code with Huffman coding"
909
910	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
911	{
912	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
913	}
914
915	if( uiReorderSymbol != 6 )
916	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
917	}
918	}
919	#endif
920
921	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
922	{
923	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
924
925	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
926	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
927	{
928	#if LGE_EDGE_INTRA
929	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
930	#else
931	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
932	#endif
933	}
934	#if LGE_EDGE_INTRA
935	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
936	#else
937	if( uiDir >= NUM_INTRA_MODE )
938	#endif
939	{
940	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
941	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
942
943	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
944	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
945	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
946
947	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
948	{
949	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
950	}
951	#else
952	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
953
954	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
955	{
956	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
957	}
958	#endif
959	#if HHI_DMM_WEDGE_INTRA
960	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
961	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
962	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
963	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
964	#endif
965	#if HHI_DMM_PRED_TEX
966
967	#if FLEX_CODING_ORDER
968	if ( !pcCU->getSlice()->getSPS()->getUseDMM34() )
969	{
970	assert( uiDir != DMM_WEDGE_PREDTEX_D_IDX );
971	assert( uiDir != DMM_CONTOUR_PREDTEX_D_IDX );
972	}
973	#endif
974
975	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
976	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
977	#endif
978	}
979	else
980	#if LGE_EDGE_INTRA
981	if ( uiDir >= EDGE_INTRA_IDX)
982	{
983	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
984	m_pcBinIf->encodeBinsEP( 63, 6 );
985	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
986	#if LGE_EDGE_INTRA_DELTA_DC
987	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
988	if( uiDir == EDGE_INTRA_DELTA_IDX )
989	{
990	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
991	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
992
993	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
994	if ( iDeltaDC0 != 0 )
995	{
996	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
997	m_pcBinIf->encodeBinEP( uiSign );
998	}
999	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1000	if ( iDeltaDC1 != 0 )
1001	{
1002	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1003	m_pcBinIf->encodeBinEP( uiSign );
1004	}
1005	}
1006	#endif
1007	}
1008	else
1009	#endif // LGE_EDGE_INTRA
1010	{
1011	#endif
1012	#if !LOGI_INTRA_NAME_3MPM
1013	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1014	#endif
1015	#if LGE_EDGE_INTRA
1016	Bool bCodeEdgeIntra = false;
1017	if( pcCU->getSlice()->getSPS()->isDepth() )
1018	{
1019	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1020	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1021	bCodeEdgeIntra = true;
1022	}
1023	#endif
1024
1025	#if LOGI_INTRA_NAME_3MPM
1026	Int uiPreds[3] = {-1, -1, -1};
1027	#else
1028	Int uiPreds[2] = {-1, -1};
1029	#endif
1030	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1031
1032	Int uiPredIdx = -1;
1033
1034	for(UInt i = 0; i < uiPredNum; i++)
1035	{
1036	if(uiDir == uiPreds[i])
1037	{
1038	uiPredIdx = i;
1039	}
1040	}
1041
1042	if(uiPredIdx != -1)
1043	{
1044	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1045	#if LOGI_INTRA_NAME_3MPM
1046	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1047	if (uiPredIdx)
1048	{
1049	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1050	}
1051	#else
1052	m_pcBinIf->encodeBinEP( uiPredIdx );
1053	#endif
1054	}
1055	else
1056	{
1057	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1058
1059	#if LOGI_INTRA_NAME_3MPM
1060	if (uiPreds[0] > uiPreds[1])
1061	{
1062	std::swap(uiPreds[0], uiPreds[1]);
1063	}
1064	if (uiPreds[0] > uiPreds[2])
1065	{
1066	std::swap(uiPreds[0], uiPreds[2]);
1067	}
1068	if (uiPreds[1] > uiPreds[2])
1069	{
1070	std::swap(uiPreds[1], uiPreds[2]);
1071	}
1072	#endif
1073
1074	for(Int i = (uiPredNum - 1); i >= 0; i--)
1075	{
1076	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1077	}
1078
1079	#if LOGI_INTRA_NAME_3MPM
1080	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1081	#if LGE_EDGE_INTRA
1082	if (bCodeEdgeIntra)
1083	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1084	#endif
1085	#else
1086	if ( uiDir < 31 )
1087	{
1088	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1089	}
1090	else
1091	{
1092	m_pcBinIf->encodeBinsEP( 31, 5 );
1093	m_pcBinIf->encodeBinEP( uiDir - 31 );
1094	}
1095	#endif
1096	}
1097	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1098	}
1099	#endif
1100	return;
1101	}
1102
1103	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1104	{
1105	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1106
1107	if( uiIntraDirChroma == DM_CHROMA_IDX )
1108	{
1109	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1110	}
1111	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1112	{
1113	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1114	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1115	}
1116	else
1117	{
1118	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1119	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1120
1121	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1122	{
1123	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1124	{
1125	uiIntraDirChroma = i;
1126	break;
1127	}
1128	}
1129	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1130
1131	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1132	{
1133	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1134	}
1135	#if CHROMA_MODE_CODING
1136	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1137	#else
1138	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1139	#endif
1140	}
1141	return;
1142	}
1143
1144	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1145	{
1146	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1147	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1148	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1149	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1150
1151	return;
1152	}
1153
1154	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1155	{
1156	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1157	{
1158	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1159
1160	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1161	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1162
1163	if( iRefFrame > 0 )
1164	{
1165	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1166	}
1167	}
1168	else
1169	{
1170	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1171	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1172	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1173
1174	if( iRefFrame > 0 )
1175	{
1176	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1177	}
1178	}
1179	return;
1180	}
1181
1182	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1183	{
1184	#if H0111_MVD_L1_ZERO
1185	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1186	{
1187	return;
1188	}
1189	#endif
1190
1191	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1192	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1193	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1194	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1195
1196	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1197	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1198
1199	const Bool bHorAbsGr0 = iHor != 0;
1200	const Bool bVerAbsGr0 = iVer != 0;
1201	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1202	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1203	pCtx++;
1204
1205	if( bHorAbsGr0 )
1206	{
1207	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1208	}
1209
1210	if( bVerAbsGr0 )
1211	{
1212	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1213	}
1214
1215	if( bHorAbsGr0 )
1216	{
1217	if( uiHorAbs > 1 )
1218	{
1219	xWriteEpExGolomb( uiHorAbs-2, 1 );
1220	}
1221
1222	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1223	}
1224
1225	if( bVerAbsGr0 )
1226	{
1227	if( uiVerAbs > 1 )
1228	{
1229	xWriteEpExGolomb( uiVerAbs-2, 1 );
1230	}
1231
1232	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1233	}
1234
1235	return;
1236	}
1237
1238	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1239	{
1240	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1241
1242	#if H0736_AVC_STYLE_QP_RANGE
1243	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1244	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1245	#else
1246	#if LOSSLESS_CODING
1247	if(pcCU->getSlice()->getSPS()->getUseLossless())
1248	{
1249	if(iDQp > 25)
1250	{
1251	iDQp = iDQp - 52;
1252	}
1253	if(iDQp < -26)
1254	{
1255	iDQp = iDQp + 52;
1256	}
1257	}
1258	#endif
1259	#endif
1260
1261	if ( iDQp == 0 )
1262	{
1263	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1264	}
1265	else
1266	{
1267	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1268
1269	UInt uiSign = (iDQp > 0 ? 0 : 1);
1270	#if !H0736_AVC_STYLE_QP_RANGE
1271	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1272	#endif
1273
1274	m_pcBinIf->encodeBinEP(uiSign);
1275
1276	#if H0736_AVC_STYLE_QP_RANGE
1277	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1278	assert(iDQp <= (25+(qpBdOffsetY/2)));
1279
1280	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1281	#else
1282	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1283	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1284
1285	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1286	#endif
1287	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1288	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1289	}
1290
1291	return;
1292	}
1293
1294	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1295	{
1296	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1297	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1298	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1299	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1300	DTRACE_CABAC_T( "\tparseQtCbf()" )
1301	DTRACE_CABAC_T( "\tsymbol=" )
1302	DTRACE_CABAC_V( uiCbf )
1303	DTRACE_CABAC_T( "\tctx=" )
1304	DTRACE_CABAC_V( uiCtx )
1305	DTRACE_CABAC_T( "\tetype=" )
1306	DTRACE_CABAC_V( eType )
1307	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1308	DTRACE_CABAC_V( uiAbsPartIdx )
1309	DTRACE_CABAC_T( "\n" )
1310	}
1311
1312	#if BURST_IPCM
1313	/** Code I_PCM information.
1314	* \param pcCU pointer to CU
1315	* \param uiAbsPartIdx CU index
1316	* \param numIPCM the number of succesive IPCM blocks with the same size
1317	* \param firstIPCMFlag
1318	* \returns Void
1319	*/
1320	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1321	#else
1322	/** Code I_PCM information.
1323	* \param pcCU pointer to CU
1324	* \param uiAbsPartIdx CU index
1325	* \returns Void
1326	*
1327	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1328	*/
1329	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1330	#endif
1331	{
1332	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1333
1334	#if BURST_IPCM
1335	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1336
1337	if( uiIPCM == 0 \|\| firstIPCMFlag)
1338	{
1339	m_pcBinIf->encodeBinTrm (uiIPCM);
1340
1341	if ( firstIPCMFlag )
1342	{
1343	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1344	m_pcBinIf->encodePCMAlignBits();
1345	}
1346	}
1347	#else
1348	m_pcBinIf->encodeBinTrm (uiIPCM);
1349	#endif
1350
1351	#if BURST_IPCM
1352	if (writePCMSampleFlag)
1353	#else
1354	if (uiIPCM)
1355	#endif
1356	{
1357	#if !BURST_IPCM
1358	m_pcBinIf->encodePCMAlignBits();
1359	#endif
1360	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1361	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1362	UInt uiChromaOffset = uiLumaOffset>>2;
1363	Pel* piPCMSample;
1364	UInt uiWidth;
1365	UInt uiHeight;
1366	UInt uiSampleBits;
1367	UInt uiX, uiY;
1368
1369	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1370	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1371	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1372	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1373
1374	for(uiY = 0; uiY < uiHeight; uiY++)
1375	{
1376	for(uiX = 0; uiX < uiWidth; uiX++)
1377	{
1378	UInt uiSample = piPCMSample[uiX];
1379
1380	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1381	}
1382	piPCMSample += uiWidth;
1383	}
1384
1385	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1386	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1387	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1388	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1389
1390	for(uiY = 0; uiY < uiHeight; uiY++)
1391	{
1392	for(uiX = 0; uiX < uiWidth; uiX++)
1393	{
1394	UInt uiSample = piPCMSample[uiX];
1395
1396	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1397	}
1398	piPCMSample += uiWidth;
1399	}
1400
1401	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1402	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1403	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1404	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1405
1406	for(uiY = 0; uiY < uiHeight; uiY++)
1407	{
1408	for(uiX = 0; uiX < uiWidth; uiX++)
1409	{
1410	UInt uiSample = piPCMSample[uiX];
1411
1412	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1413	}
1414	piPCMSample += uiWidth;
1415	}
1416	#if BURST_IPCM
1417	numIPCM--;
1418	if(numIPCM == 0)
1419	{
1420	m_pcBinIf->resetBac();
1421	}
1422	#else
1423	m_pcBinIf->resetBac();
1424	#endif
1425	}
1426	}
1427
1428	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1429	{
1430	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1431	UInt uiCtx = 0;
1432	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1433	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1434	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1435	DTRACE_CABAC_T( "\tsymbol=" )
1436	DTRACE_CABAC_V( uiCbf )
1437	DTRACE_CABAC_T( "\tctx=" )
1438	DTRACE_CABAC_V( uiCtx )
1439	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1440	DTRACE_CABAC_V( uiAbsPartIdx )
1441	DTRACE_CABAC_T( "\n" )
1442	}
1443
1444	/** Encode (X,Y) position of the last significant coefficient
1445	* \param uiPosX X component of last coefficient
1446	* \param uiPosY Y component of last coefficient
1447	* \param width Block width
1448	* \param height Block height
1449	* \param eTType plane type / luminance or chrominance
1450	* \param uiScanIdx scan type (zig-zag, hor, ver)
1451	* This method encodes the X and Y component within a block of the last significant coefficient.
1452	*/
1453	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1454	{
1455	// swap
1456	if( uiScanIdx == SCAN_VER )
1457	{
1458	swap( uiPosX, uiPosY );
1459	}
1460
1461	UInt uiCtxLast;
1462	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1463	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1464	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1465	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1466
1467	// posX
1468	#if LAST_CTX_REDUCTION
1469	Int widthCtx = eTType? 4: width;
1470	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1471	#else
1472	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1473	#endif
1474	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1475	{
1476	#if LAST_CTX_REDUCTION
1477	if (eTType)
1478	{
1479	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1480	}
1481	else
1482	{
1483	#endif
1484	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1485	#if LAST_CTX_REDUCTION
1486	}
1487	#endif
1488	}
1489	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1490	{
1491	#if LAST_CTX_REDUCTION
1492	if ( eTType )
1493	{
1494	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1495	}
1496	else
1497	{
1498	#endif
1499	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1500	#if LAST_CTX_REDUCTION
1501	}
1502	#endif
1503	}
1504
1505	// posY
1506	#if LAST_CTX_REDUCTION
1507	Int heightCtx = eTType? 4: height;
1508	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1509	#else
1510	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1511	#endif
1512	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1513	{
1514	#if LAST_CTX_REDUCTION
1515	if (eTType)
1516	{
1517	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1518	}
1519	else
1520	{
1521	#endif
1522	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1523	#if LAST_CTX_REDUCTION
1524	}
1525	#endif
1526	}
1527	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1528	{
1529	#if LAST_CTX_REDUCTION
1530	if (eTType)
1531	{
1532	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1533	}
1534	else
1535	{
1536	#endif
1537	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1538	#if LAST_CTX_REDUCTION
1539	}
1540	#endif
1541	}
1542	if ( uiGroupIdxX > 3 )
1543	{
1544	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1545	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1546	for (Int i = uiCount - 1 ; i >= 0; i-- )
1547	{
1548	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1549	}
1550	}
1551	if ( uiGroupIdxY > 3 )
1552	{
1553	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1554	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1555	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1556	{
1557	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1558	}
1559	}
1560	}
1561
1562	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1563	{
1564	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1565	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1566	DTRACE_CABAC_V( eTType )
1567	DTRACE_CABAC_T( "\twidth=" )
1568	DTRACE_CABAC_V( uiWidth )
1569	DTRACE_CABAC_T( "\theight=" )
1570	DTRACE_CABAC_V( uiHeight )
1571	DTRACE_CABAC_T( "\tdepth=" )
1572	DTRACE_CABAC_V( uiDepth )
1573	DTRACE_CABAC_T( "\tabspartidx=" )
1574	DTRACE_CABAC_V( uiAbsPartIdx )
1575	DTRACE_CABAC_T( "\ttoCU-X=" )
1576	DTRACE_CABAC_V( pcCU->getCUPelX() )
1577	DTRACE_CABAC_T( "\ttoCU-Y=" )
1578	DTRACE_CABAC_V( pcCU->getCUPelY() )
1579	DTRACE_CABAC_T( "\tCU-addr=" )
1580	DTRACE_CABAC_V( pcCU->getAddr() )
1581	DTRACE_CABAC_T( "\tinCU-X=" )
1582	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1583	DTRACE_CABAC_T( "\tinCU-Y=" )
1584	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1585	DTRACE_CABAC_T( "\tpredmode=" )
1586	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1587	DTRACE_CABAC_T( "\n" )
1588
1589	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1590	{
1591	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1592	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1593	}
1594
1595	UInt uiNumSig = 0;
1596
1597	// compute number of significant coefficients
1598	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1599
1600	if ( uiNumSig == 0 )
1601	return;
1602
1603	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1604
1605	//----- encode significance map -----
1606	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1607	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1608	if (uiScanIdx == SCAN_ZIGZAG)
1609	{
1610	// Map zigzag to diagonal scan
1611	uiScanIdx = SCAN_DIAG;
1612	}
1613	Int blockType = uiLog2BlockSize;
1614	if (uiWidth != uiHeight)
1615	{
1616	uiScanIdx = SCAN_DIAG;
1617	blockType = 4;
1618	}
1619
1620	const UInt * scan;
1621	if (uiWidth == uiHeight)
1622	{
1623	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1624	}
1625	else
1626	{
1627	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1628	}
1629
1630	#if MULTIBITS_DATA_HIDING
1631	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1632	#if LOSSLESS_CODING
1633	Bool beValid;
1634	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1635	{
1636	beValid = false;
1637	}
1638	else
1639	{
1640	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1641	}
1642	#else
1643	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1644	#endif
1645	#endif
1646
1647	// Find position of last coefficient
1648	Int scanPosLast = -1;
1649	Int posLast;
1650
1651	const UInt * scanCG;
1652	if (uiWidth == uiHeight)
1653	{
1654	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1655	#if MULTILEVEL_SIGMAP_EXT
1656	if( uiLog2BlockSize == 3 )
1657	{
1658	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1659	}
1660	else if( uiLog2BlockSize == 5 )
1661	{
1662	scanCG = g_sigLastScanCG32x32;
1663	}
1664	#endif
1665	}
1666	else
1667	{
1668	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1669	}
1670	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1671	static const UInt uiShift = MLS_CG_SIZE >> 1;
1672	const UInt uiNumBlkSide = uiWidth >> uiShift;
1673
1674	#if !MULTILEVEL_SIGMAP_EXT
1675	if( blockType > 3 )
1676	{
1677	#endif
1678	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1679
1680	do
1681	{
1682	posLast = scan[ ++scanPosLast ];
1683
1684	// get L1 sig map
1685	UInt uiPosY = posLast >> uiLog2BlockSize;
1686	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1687	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1688	#if MULTILEVEL_SIGMAP_EXT
1689	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1690	{
1691	if( uiScanIdx == SCAN_HOR )
1692	{
1693	uiBlkIdx = uiPosY >> 1;
1694	}
1695	else if( uiScanIdx == SCAN_VER )
1696	{
1697	uiBlkIdx = uiPosX >> 1;
1698	}
1699	}
1700	#endif
1701	if( pcCoef[ posLast ] )
1702	{
1703	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1704	}
1705
1706	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1707	}
1708	while ( uiNumSig > 0 );
1709	#if !MULTILEVEL_SIGMAP_EXT
1710	}
1711	else
1712	{
1713
1714	do
1715	{
1716	posLast = scan[ ++scanPosLast ];
1717	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1718	}
1719	while ( uiNumSig > 0 );
1720
1721	}
1722	#endif
1723
1724	// Code position of last coefficient
1725	Int posLastY = posLast >> uiLog2BlockSize;
1726	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1727	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1728
1729	//===== code significance flag =====
1730	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1731	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1732
1733
1734	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1735	UInt uiNumOne = 0;
1736	UInt uiGoRiceParam = 0;
1737	Int iScanPosSig = scanPosLast;
1738
1739	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1740	{
1741	Int numNonZero = 0;
1742	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1743	uiGoRiceParam = 0;
1744	Int absCoeff[16];
1745	UInt coeffSigns = 0;
1746
1747	#if MULTIBITS_DATA_HIDING
1748	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1749	#endif
1750
1751	if( iScanPosSig == scanPosLast )
1752	{
1753	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1754	coeffSigns = ( pcCoef[ posLast ] < 0 );
1755	numNonZero = 1;
1756	#if MULTIBITS_DATA_HIDING
1757	lastNZPosInCG = iScanPosSig;
1758	firstNZPosInCG = iScanPosSig;
1759	#endif
1760	iScanPosSig--;
1761	}
1762
1763	#if !MULTILEVEL_SIGMAP_EXT
1764	if( blockType > 3 )
1765	{
1766	#endif
1767	// encode significant_coeffgroup_flag
1768	Int iCGBlkPos = scanCG[ iSubSet ];
1769	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1770	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1771	#if MULTILEVEL_SIGMAP_EXT
1772	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1773	{
1774	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1775	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1776	}
1777	#endif
1778	#if !REMOVE_INFER_SIGGRP
1779	Bool bInferredCGFlag = false;
1780	#endif
1781	#if REMOVE_INFER_SIGGRP
1782	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1783	#else
1784	if( iSubSet == iLastScanSet )
1785	#endif
1786	{
1787	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1788	}
1789	else
1790	{
1791	#if !REMOVE_INFER_SIGGRP
1792	#if MULTILEVEL_SIGMAP_EXT
1793	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1794	#else
1795	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1796	#endif
1797	{
1798	#endif
1799	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1800	#if MULTILEVEL_SIGMAP_EXT
1801	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1802	#else
1803	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1804	#endif
1805	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1806	#if !REMOVE_INFER_SIGGRP
1807	}
1808	else
1809	{
1810	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1811	bInferredCGFlag = true;
1812	}
1813	#endif
1814	}
1815
1816	// encode significant_coeff_flag
1817	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1818	{
1819	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1820	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1821	{
1822	uiBlkPos = scan[ iScanPosSig ];
1823	uiPosY = uiBlkPos >> uiLog2BlockSize;
1824	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1825	uiSig = (pcCoef[ uiBlkPos ] != 0);
1826	#if REMOVE_INFER_SIGGRP
1827	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1828	#else
1829	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1830	#endif
1831	{
1832	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1833	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1834	}
1835	if( uiSig )
1836	{
1837	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1838	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1839	numNonZero++;
1840	#if MULTIBITS_DATA_HIDING
1841	if( lastNZPosInCG == -1 )
1842	{
1843	lastNZPosInCG = iScanPosSig;
1844	}
1845	firstNZPosInCG = iScanPosSig;
1846	#endif
1847	}
1848	}
1849	}
1850	else
1851	{
1852	iScanPosSig = iSubPos - 1;
1853	}
1854	#if !MULTILEVEL_SIGMAP_EXT
1855	}
1856	else
1857	{
1858
1859	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1860	{
1861	UInt uiBlkPos = scan[ iScanPosSig ];
1862	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1863	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1864	UInt uiSig = 0;
1865	if( pcCoef[ uiBlkPos ] != 0 )
1866	{
1867	uiSig = 1;
1868	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1869	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1870	numNonZero++;
1871	#if MULTIBITS_DATA_HIDING
1872	if( lastNZPosInCG == -1 )
1873	{
1874	lastNZPosInCG = iScanPosSig;
1875	}
1876	firstNZPosInCG = iScanPosSig;
1877	#endif
1878	}
1879	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1880	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1881	}
1882
1883	}
1884	#endif
1885
1886	if( numNonZero > 0 )
1887	{
1888	#if MULTIBITS_DATA_HIDING
1889	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1890	#endif // MULTIBITS_DATA_HIDING
1891
1892	UInt c1 = 1;
1893	#if !RESTRICT_GR1GR2FLAG_NUMBER
1894	UInt c2 = 0;
1895	#endif
1896	#if LEVEL_CTX_LUMA_RED
1897	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1898	#else
1899	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1900	#endif
1901
1902	if( uiNumOne > 0 )
1903	{
1904	uiCtxSet++;
1905	#if !LEVEL_CTX_LUMA_RED
1906	if( uiNumOne > 3 && eTType==TEXT_LUMA)
1907	{
1908	uiCtxSet++;
1909	}
1910	#endif
1911	}
1912
1913	uiNumOne >>= 1;
1914	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
1915
1916	#if RESTRICT_GR1GR2FLAG_NUMBER
1917	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1918	Int firstC2FlagIdx = -1;
1919	for( Int idx = 0; idx < numC1Flag; idx++ )
1920	#else
1921	for ( Int idx = 0; idx < numNonZero; idx++ )
1922	#endif
1923	{
1924	UInt uiSymbol = absCoeff[ idx ] > 1;
1925	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1926	if( uiSymbol )
1927	{
1928	c1 = 0;
1929
1930	#if RESTRICT_GR1GR2FLAG_NUMBER
1931	if (firstC2FlagIdx == -1)
1932	{
1933	firstC2FlagIdx = idx;
1934	}
1935	#endif
1936	}
1937	else if( (c1 < 3) && (c1 > 0) )
1938	{
1939	c1++;
1940	}
1941	}
1942
1943	if (c1 == 0)
1944	{
1945
1946	#if RESTRICT_GR1GR2FLAG_NUMBER
1947	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
1948	if ( firstC2FlagIdx != -1)
1949	{
1950	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1951	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1952	}
1953	#else
1954	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
1955	for ( Int idx = 0; idx < numNonZero; idx++ )
1956	{
1957	if( absCoeff[ idx ] > 1 )
1958	{
1959	UInt symbol = absCoeff[ idx ] > 2;
1960	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
1961	c2 += (c2 < 2);
1962	uiNumOne++;
1963	}
1964	}
1965	#endif
1966	}
1967
1968	#if MULTIBITS_DATA_HIDING
1969	if( beValid && signHidden )
1970	{
1971	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1972	}
1973	else
1974	{
1975	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1976	}
1977	#else
1978	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1979	#endif
1980
1981	#if RESTRICT_GR1GR2FLAG_NUMBER
1982	Int iFirstCoeff2 = 1;
1983	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
1984	#else
1985	if (c1 == 0)
1986	#endif
1987	{
1988	for ( Int idx = 0; idx < numNonZero; idx++ )
1989	{
1990	#if RESTRICT_GR1GR2FLAG_NUMBER
1991	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1992
1993	if( absCoeff[ idx ] >= baseLevel)
1994	{
1995	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
1996	}
1997	if(absCoeff[ idx ] >= 2)
1998	{
1999	iFirstCoeff2 = 0;
2000	uiNumOne++;
2001	}
2002	#else
2003	if ( absCoeff[ idx ] > 2 )
2004	{
2005	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2006	}
2007	#endif
2008	}
2009	}
2010	}
2011	else
2012	{
2013	uiNumOne >>= 1;
2014	}
2015	}
2016
2017	return;
2018	}
2019
2020	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2021	{
2022	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2023	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2024	}
2025
2026	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2027	{
2028	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2029	}
2030
2031	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2032	{
2033	Int i;
2034
2035	if ( uiCode == 0 )
2036	{
2037	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2038	}
2039	else
2040	{
2041	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2042	for ( i=0; i<uiCode-1; i++ )
2043	{
2044	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2045	}
2046	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2047	}
2048	}
2049
2050	Void TEncSbac::codeAlfSvlc ( Int iCode )
2051	{
2052	Int i;
2053
2054	if ( iCode == 0 )
2055	{
2056	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2057	}
2058	else
2059	{
2060	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2061
2062	// write sign
2063	if ( iCode > 0 )
2064	{
2065	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2066	}
2067	else
2068	{
2069	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2070	iCode = -iCode;
2071	}
2072
2073	// write magnitude
2074	for ( i=0; i<iCode-1; i++ )
2075	{
2076	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2077	}
2078	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2079	}
2080	}
2081
2082	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2083	{
2084	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2085	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2086	}
2087
2088	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2089	{
2090	Int i;
2091
2092	if ( uiCode == 0 )
2093	{
2094	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2095	}
2096	else
2097	{
2098	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2099	for ( i=0; i<uiCode-1; i++ )
2100	{
2101	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2102	}
2103	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2104	}
2105	}
2106
2107	Void TEncSbac::codeSaoSvlc ( Int iCode )
2108	{
2109	Int i;
2110
2111	if ( iCode == 0 )
2112	{
2113	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2114	}
2115	else
2116	{
2117	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2118
2119	// write sign
2120	if ( iCode > 0 )
2121	{
2122	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2123	}
2124	else
2125	{
2126	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2127	iCode = -iCode;
2128	}
2129
2130	// write magnitude
2131	for ( i=0; i<iCode-1; i++ )
2132	{
2133	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2134	}
2135	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2136	}
2137	}
2138	#if SAO_UNIT_INTERLEAVING
2139	/** Code SAO band position
2140	* \param uiCode
2141	*/
2142	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2143	{
2144	for (Int i=0;i<5;i++)
2145	{
2146	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2147	}
2148	}
2149	/** Code SAO merge left flag
2150	* \param uiCode
2151	* \param uiCompIdx
2152	*/
2153	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2154	{
2155	if (uiCode == 0)
2156	{
2157	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2158	}
2159	else
2160	{
2161	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2162	}
2163	}
2164	/** Code SAO merge up flag
2165	* \param uiCode
2166	*/
2167	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2168	{
2169	if (uiCode == 0)
2170	{
2171	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2172	}
2173	else
2174	{
2175	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2176	}
2177	}
2178	/** Code SAO type index
2179	* \param uiCode
2180	*/
2181	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2182	{
2183	Int i;
2184	if ( uiCode == 0 )
2185	{
2186	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2187	}
2188	else
2189	{
2190	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2191	for ( i=0; i<uiCode-1; i++ )
2192	{
2193	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2194	}
2195	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2196	}
2197	}
2198	#endif
2199	/*!
2200	****************************************************************************
2201	* \brief
2202	* estimate bit cost for CBP, significant map and significant coefficients
2203	****************************************************************************
2204	*/
2205	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2206	{
2207	estCBFBit( pcEstBitsSbac, 0, eTType );
2208
2209	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2210
2211	// encode significance map
2212	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2213
2214	// encode significant coefficients
2215	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2216	}
2217
2218	/*!
2219	****************************************************************************
2220	* \brief
2221	* estimate bit cost for each CBP bit
2222	****************************************************************************
2223	*/
2224	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2225	{
2226	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2227
2228	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2229	{
2230	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2231	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2232	}
2233
2234	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2235
2236	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2237	{
2238	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2239	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2240	}
2241	}
2242
2243
2244	/*!
2245	****************************************************************************
2246	* \brief
2247	* estimate SAMBAC bit cost for significant coefficient group map
2248	****************************************************************************
2249	*/
2250	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2251	{
2252	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2253
2254	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2255	{
2256	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2257	{
2258	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2259	}
2260	}
2261	}
2262
2263
2264	/*!
2265	****************************************************************************
2266	* \brief
2267	* estimate SAMBAC bit cost for significant coefficient map
2268	****************************************************************************
2269	*/
2270	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2271	{
2272	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2273	if (std::max(width, height) >= 16)
2274	{
2275	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2276	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2277	}
2278	else if (width == 8)
2279	{
2280	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2281	numCtx = 11;
2282	}
2283
2284	if (eTType == TEXT_LUMA )
2285	{
2286	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2287	{
2288	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2289	{
2290	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2291	}
2292	}
2293	}
2294	else
2295	{
2296	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2297	{
2298	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2299	{
2300	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2301	}
2302	}
2303	}
2304	Int iBitsX = 0, iBitsY = 0;
2305	const UInt *puiCtxIdx;
2306	Int ctx;
2307	#if LAST_CTX_REDUCTION
2308	Int widthCtx = eTType? 4 : width;
2309	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2310	#else
2311	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2312	#endif
2313	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2314	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2315	{
2316	Int ctxOffset = puiCtxIdx[ ctx ];
2317	#if LAST_CTX_REDUCTION
2318	if (eTType)
2319	{
2320	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2321	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2322	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2323	}
2324	else
2325	{
2326	#endif
2327	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2328	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2329	#if LAST_CTX_REDUCTION
2330	}
2331	#endif
2332	}
2333	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2334
2335	#if LAST_CTX_REDUCTION
2336	Int heightCtx = eTType? 4 : height;
2337	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2338	#else
2339	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2340	#endif
2341	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2342	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2343	{
2344	Int ctxOffset = puiCtxIdx[ ctx ];
2345	#if LAST_CTX_REDUCTION
2346	if (eTType)
2347	{
2348	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2349	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2350	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2351	}
2352	else
2353	{
2354	#endif
2355	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2356	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2357	#if LAST_CTX_REDUCTION
2358	}
2359	#endif
2360	}
2361	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2362	}
2363
2364	/*!
2365	****************************************************************************
2366	* \brief
2367	* estimate bit cost of significant coefficient
2368	****************************************************************************
2369	*/
2370	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2371	{
2372	if (eTType==TEXT_LUMA)
2373	{
2374	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2375	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2376
2377	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2378	{
2379	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2380	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2381	}
2382
2383	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2384	{
2385	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2386	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2387	}
2388	}
2389	else
2390	{
2391	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2392	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2393
2394	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2395	{
2396	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2397	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2398	}
2399
2400	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2401	{
2402	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2403	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2404	}
2405	}
2406	}
2407
2408	/**
2409	- Initialize our context information from the nominated source.
2410	.
2411	\param pSrc From where to copy context information.
2412	*/
2413	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2414	{
2415	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2416	}
2417
2418	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2419	{
2420	this->xCopyContextsFrom(pScr);
2421	}
2422
2423	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC)
2424	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2425	{
2426	if( uiSymbol )
2427	{
2428	m_pcBinIf->encodeBin( 1, rcSCModel );
2429	UInt uiCount = 0;
2430	Bool bNoExGo = (uiSymbol < 13);
2431
2432	while( --uiSymbol && ++uiCount < 13 )
2433	{
2434	m_pcBinIf->encodeBin( 1, rcSCModel );
2435	}
2436	if( bNoExGo )
2437	{
2438	m_pcBinIf->encodeBin( 0, rcSCModel );
2439	}
2440	else
2441	{
2442	xWriteEpExGolomb( uiSymbol, 0 );
2443	}
2444	}
2445	else
2446	{
2447	m_pcBinIf->encodeBin( 0, rcSCModel );
2448	}
2449
2450	return;
2451	}
2452	#endif
2453	#if HHI_DMM_WEDGE_INTRA
2454	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2455	{
2456	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2457	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2458
2459	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2460
2461	for ( Int i = 0; i < iBits; i++ )
2462	{
2463	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2464	}
2465	}
2466
2467	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2468	{
2469	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2470	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2471
2472	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2473
2474	for ( Int i = 0; i < iBits; i++ )
2475	{
2476	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2477	}
2478
2479	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2480	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2481
2482	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2483	if ( iDeltaDC1 != 0 )
2484	{
2485	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2486	m_pcBinIf->encodeBinEP( uiSign );
2487	}
2488	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2489	if ( iDeltaDC2 != 0 )
2490	{
2491	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2492	m_pcBinIf->encodeBinEP( uiSign );
2493	}
2494	}
2495
2496	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2497	{
2498	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2499	{
2500	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2501	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2502
2503	if( iDeltaEnd != 0 )
2504	{
2505	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2506	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2507	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2508
2509	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2510	m_pcBinIf->encodeBinEP( uiSign );
2511	}
2512	}
2513	}
2514
2515	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2516	{
2517	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2518	{
2519	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2520	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2521
2522	if( iDeltaEnd != 0 )
2523	{
2524	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2525	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2526	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2527
2528	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2529	m_pcBinIf->encodeBinEP( uiSign );
2530	}
2531	}
2532
2533	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2534	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2535
2536	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2537	if ( iDeltaDC1 != 0 )
2538	{
2539	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2540	m_pcBinIf->encodeBinEP( uiSign );
2541	}
2542	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2543	if ( iDeltaDC2 != 0 )
2544	{
2545	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2546	m_pcBinIf->encodeBinEP( uiSign );
2547	}
2548	}
2549	#endif
2550	#if HHI_DMM_PRED_TEX
2551	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2552	{
2553	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2554	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2555
2556	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2557	if ( iDeltaDC1 != 0 )
2558	{
2559	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2560	m_pcBinIf->encodeBinEP( uiSign );
2561	}
2562	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2563	if ( iDeltaDC2 != 0 )
2564	{
2565	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2566	m_pcBinIf->encodeBinEP( uiSign );
2567	}
2568	}
2569
2570	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2571	{
2572	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2573	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2574
2575	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2576	if ( iDeltaDC1 != 0 )
2577	{
2578	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2579	m_pcBinIf->encodeBinEP( uiSign );
2580	}
2581	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2582	if ( iDeltaDC2 != 0 )
2583	{
2584	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2585	m_pcBinIf->encodeBinEP( uiSign );
2586	}
2587	}
2588	#endif
2589	//! \}

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source: 3DVCSoftware/branches/HTM-4.0-Nokia/source/Lib/TLibEncoder/TEncSbac.cpp

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