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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	#if LGE_ILLUCOMP_B0045
63	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#endif
65	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#if HHI_INTER_VIEW_RESIDUAL_PRED
68	, m_cResPredFlagSCModel ( 1, 1, NUM_RES_PRED_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	#endif
70	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
71	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	, m_cCUAlfCtrlFlagSCModel ( 1, 1, NUM_ALF_CTRL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
73	, m_cCUIntraPredSCModel ( 1, 1, NUM_ADI_CTX , m_contextModels + m_numContextModels, m_numContextModels)
74	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
76	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUQtCbfSCModel ( 1, 2, NUM_QT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCuCtxLastX ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cCuCtxLastY ( 1, 2, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cALFFlagSCModel ( 1, 1, NUM_ALF_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_cALFUvlcSCModel ( 1, 1, NUM_ALF_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
91	, m_cALFSvlcSCModel ( 1, 1, NUM_ALF_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	#if AMP_CTX
93	, m_cCUAMPSCModel ( 1, 1, NUM_CU_AMP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	#else
95	, m_cCUXPosiSCModel ( 1, 1, NUM_CU_X_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cCUYPosiSCModel ( 1, 1, NUM_CU_Y_POS_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	#endif
98	, m_cSaoFlagSCModel ( 1, 1, NUM_SAO_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	, m_cSaoUvlcSCModel ( 1, 1, NUM_SAO_UVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cSaoSvlcSCModel ( 1, 1, NUM_SAO_SVLC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	#if SAO_UNIT_INTERLEAVING
102	, m_cSaoMergeLeftSCModel ( 1, 1, NUM_SAO_MERGE_LEFT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
103	, m_cSaoMergeUpSCModel ( 1, 1, NUM_SAO_MERGE_UP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
104	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	#endif
106	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
107	, m_cDmmFlagSCModel ( 1, 1, NUM_DMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
108	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
109	, m_cDmmDataSCModel ( 1, 1, NUM_DMM_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#endif
111	#if LGE_EDGE_INTRA
112	, m_cEdgeIntraSCModel ( 1, 1, NUM_EDGE_INTRA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
113	#if LGE_EDGE_INTRA_DELTA_DC
114	, m_cEdgeIntraDeltaDCSCModel ( 1, 1, NUM_EDGE_INTRA_DELTA_DC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
115	#endif
116	#endif
117	{
118	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
119	m_iSliceGranularity = 0;
120	}
121
122	TEncSbac::~TEncSbac()
123	{
124	}
125
126	// ====================================================================================================================
127	// Public member functions
128	// ====================================================================================================================
129
130	Void TEncSbac::resetEntropy ()
131	{
132	Int iQp = m_pcSlice->getSliceQp();
133	SliceType eSliceType = m_pcSlice->getSliceType();
134
135	#if CABAC_INIT_FLAG
136	Int encCABACTableIdx = m_pcSlice->getPPS()->getEncCABACTableIdx();
137	if (!m_pcSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && m_pcSlice->getPPS()->getCabacInitPresentFlag())
138	{
139	eSliceType = (SliceType) encCABACTableIdx;
140	}
141	#endif
142
143	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
144
145	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
146	#if LGE_ILLUCOMP_B0045
147	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
148	#endif
149	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
150	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
151	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
152	#if HHI_INTER_VIEW_RESIDUAL_PRED
153	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
154	#endif
155	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
156	#if AMP_CTX
157	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
158	#else
159	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
160	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
161	#endif
162	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
163	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
164	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
165	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
166	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
167	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
168	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
169	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
170	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
171	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
172	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
173	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
174	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
175	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
176	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
177	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
178	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
179	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
180	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
181	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
182	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
183	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
184	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
185	#if SAO_UNIT_INTERLEAVING
186	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
187	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
188	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
189	#endif
190	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
191	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
192	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
193	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
194	#endif
195	#if LGE_EDGE_INTRA
196	m_cEdgeIntraSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA );
197	#if LGE_EDGE_INTRA_DELTA_DC
198	m_cEdgeIntraDeltaDCSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EDGE_INTRA_DELTA_DC );
199	#endif
200	#endif
201
202	// new structure
203	m_uiLastQp = iQp;
204
205	m_pcBinIf->start();
206
207	return;
208	}
209
210	#if CABAC_INIT_FLAG
211	/** The function does the following:
212	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
213	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
214	*/
215	Void TEncSbac::determineCabacInitIdx()
216	{
217	Int qp = m_pcSlice->getSliceQp();
218
219	if (!m_pcSlice->isIntra())
220	{
221	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
222
223	UInt bestCost = MAX_UINT;
224	SliceType bestSliceType = aSliceTypeChoices[0];
225	for (UInt idx=0; idx<2; idx++)
226	{
227	UInt curCost = 0;
228	SliceType curSliceType = aSliceTypeChoices[idx];
229
230	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
231	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
232	#if LGE_ILLUCOMP_B0045
233	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
234	#endif
235	curCost += m_cCUAlfCtrlFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_CTRL_FLAG );
236	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
237	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
238	#if HHI_INTER_VIEW_RESIDUAL_PRED
239	curCost += m_cResPredFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_RES_PRED_FLAG);
240	#endif
241	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
242	#if AMP_CTX
243	curCost += m_cCUAMPSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_AMP_POS );
244	#else
245	curCost += m_cCUXPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_X_POS );
246	curCost += m_cCUYPosiSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_Y_POS );
247	#endif
248	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
249	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
250	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
251	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
252	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
253	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
254	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
255	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
256	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
257	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
258	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
259	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
260	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
261	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
262	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
263	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
264	curCost += m_cALFFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_FLAG );
265	curCost += m_cALFUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_UVLC );
266	curCost += m_cALFSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ALF_SVLC );
267	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
268	curCost += m_cSaoFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_FLAG );
269	curCost += m_cSaoUvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_UVLC );
270	curCost += m_cSaoSvlcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_SVLC );
271	#if SAO_UNIT_INTERLEAVING
272	curCost += m_cSaoMergeLeftSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
273	curCost += m_cSaoMergeUpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
274	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
275	#endif
276
277	if (curCost < bestCost)
278	{
279	bestSliceType = curSliceType;
280	bestCost = curCost;
281	}
282	}
283	m_pcSlice->getPPS()->setEncCABACTableIdx( bestSliceType );
284	}
285	else
286	{
287	m_pcSlice->getPPS()->setEncCABACTableIdx( I_SLICE );
288	}
289
290	#if CABAC_INIT_FLAG && POZNAN_CABAC_INIT_FLAG_FIX
291	m_pcSlice->getPPS()->setEncPrevPOC( m_pcSlice->getPOC() );
292	#endif
293	}
294	#endif
295
296
297	/** The function does the followng: Write out terminate bit. Flush CABAC. Intialize CABAC states. Start CABAC.
298	*/
299	Void TEncSbac::updateContextTables( SliceType eSliceType, Int iQp, Bool bExecuteFinish )
300	{
301	m_pcBinIf->encodeBinTrm(1);
302	if (bExecuteFinish) m_pcBinIf->finish();
303	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
304
305	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
306	#if LGE_ILLUCOMP_B0045
307	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
308	#endif
309	m_cCUAlfCtrlFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_CTRL_FLAG );
310	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
311	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
312	#if HHI_INTER_VIEW_RESIDUAL_PRED
313	m_cResPredFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_RES_PRED_FLAG );
314	#endif
315	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
316	#if AMP_CTX
317	m_cCUAMPSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_AMP_POS );
318	#else
319	m_cCUXPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_X_POS );
320	m_cCUYPosiSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_Y_POS );
321	#endif
322	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
323	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
324	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
325	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
326	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
327	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
328	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
329	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
330	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
331	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
332	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
333	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
334	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
335	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
336	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
337	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
338	m_cALFFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_FLAG );
339	m_cALFUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_UVLC );
340	m_cALFSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ALF_SVLC );
341	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
342	m_cSaoFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_FLAG );
343	m_cSaoUvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_UVLC );
344	m_cSaoSvlcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_SVLC );
345	#if SAO_UNIT_INTERLEAVING
346	m_cSaoMergeLeftSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_LEFT_FLAG );
347	m_cSaoMergeUpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_UP_FLAG );
348	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
349	#endif
350	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
351	m_cDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_FLAG );
352	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
353	m_cDmmDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_DATA );
354	#endif
355
356	m_pcBinIf->start();
357	}
358
359	Void TEncSbac::writeTileMarker( UInt uiTileIdx, UInt uiBitsUsed )
360	{
361	for (Int iShift=uiBitsUsed-1; iShift>=0; iShift--)
362	{
363	m_pcBinIf->encodeBinEP ( (uiTileIdx & (1 << iShift)) >> iShift );
364	}
365	}
366
367	void TEncSbac::codeSEI(const SEI&)
368	{
369	assert(0);
370	}
371
372	#if VIDYO_VPS_INTEGRATION
373	Void TEncSbac::codeVPS( TComVPS* pcVPS )
374	{
375	assert (0);
376	return;
377	}
378	#endif
379
380	#if HHI_MPI
381	Void TEncSbac::codeSPS( TComSPS* pcSPS, Bool bIsDepth )
382	#else
383	Void TEncSbac::codeSPS( TComSPS* pcSPS )
384	#endif
385	{
386	assert (0);
387	return;
388	}
389
390	Void TEncSbac::codePPS( TComPPS* pcPPS )
391	{
392	assert (0);
393	return;
394	}
395
396	Void TEncSbac::codeSliceHeader( TComSlice* pcSlice )
397	{
398	assert (0);
399	return;
400	}
401
402	#if TILES_WPP_ENTRY_POINT_SIGNALLING
403	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* pSlice )
404	{
405	assert (0);
406	return;
407	}
408	#else
409	Void TEncSbac::codeSliceHeaderSubstreamTable( TComSlice* pcSlice )
410	{
411	assert (0);
412	}
413	#endif
414
415	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
416	{
417	m_pcBinIf->encodeBinTrm( uilsLast );
418	}
419
420	Void TEncSbac::codeSliceFinish()
421	{
422	m_pcBinIf->finish();
423	}
424
425	#if OL_FLUSH
426	Void TEncSbac::codeFlush()
427	{
428	m_pcBinIf->flush();
429	}
430
431	Void TEncSbac::encodeStart()
432	{
433	m_pcBinIf->start();
434	}
435	#endif
436
437	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
438	{
439	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
440
441	if( 0 == uiSymbol)
442	{
443	return;
444	}
445
446	while( uiSymbol-- )
447	{
448	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
449	}
450
451	return;
452	}
453
454	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
455	{
456	if (uiMaxSymbol == 0)
457	{
458	return;
459	}
460
461	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
462
463	if ( uiSymbol == 0 )
464	{
465	return;
466	}
467
468	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
469
470	while( --uiSymbol )
471	{
472	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
473	}
474	if( bCodeLast )
475	{
476	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
477	}
478
479	return;
480	}
481
482	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
483	{
484	UInt bins = 0;
485	Int numBins = 0;
486
487	while( uiSymbol >= (UInt)(1<<uiCount) )
488	{
489	bins = 2 * bins + 1;
490	numBins++;
491	uiSymbol -= 1 << uiCount;
492	uiCount ++;
493	}
494	bins = 2 * bins + 0;
495	numBins++;
496
497	bins = (bins << uiCount) \| uiSymbol;
498	numBins += uiCount;
499
500	assert( numBins <= 32 );
501	m_pcBinIf->encodeBinsEP( bins, numBins );
502	}
503
504	/** Coding of coeff_abs_level_minus3
505	* \param uiSymbol value of coeff_abs_level_minus3
506	* \param ruiGoRiceParam reference to Rice parameter
507	* \returns Void
508	*/
509	Void TEncSbac::xWriteGoRiceExGolomb( UInt uiSymbol, UInt &ruiGoRiceParam )
510	{
511	UInt uiMaxVlc = g_auiGoRiceRange[ ruiGoRiceParam ];
512	Bool bExGolomb = ( uiSymbol > uiMaxVlc );
513	UInt uiCodeWord = min<UInt>( uiSymbol, ( uiMaxVlc + 1 ) );
514	UInt uiQuotient = uiCodeWord >> ruiGoRiceParam;
515	UInt uiMaxPreLen = g_auiGoRicePrefixLen[ ruiGoRiceParam ];
516
517	UInt binValues;
518	Int numBins;
519
520	if ( uiQuotient >= uiMaxPreLen )
521	{
522	numBins = uiMaxPreLen;
523	binValues = ( 1 << numBins ) - 1;
524	}
525	else
526	{
527	numBins = uiQuotient + 1;
528	binValues = ( 1 << numBins ) - 2;
529	}
530
531	m_pcBinIf->encodeBinsEP( ( binValues << ruiGoRiceParam ) + uiCodeWord - ( uiQuotient << ruiGoRiceParam ), numBins + ruiGoRiceParam );
532
533	#if EIGHT_BITS_RICE_CODE
534	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 23 ) ];
535	#else
536	ruiGoRiceParam = g_aauiGoRiceUpdate[ ruiGoRiceParam ][ min<UInt>( uiSymbol, 15 ) ];
537	#endif
538
539	if( bExGolomb )
540	{
541	uiSymbol -= uiMaxVlc + 1;
542	xWriteEpExGolomb( uiSymbol, 0 );
543	}
544	}
545
546	// SBAC RD
547	Void TEncSbac::load ( TEncSbac* pSrc)
548	{
549	this->xCopyFrom(pSrc);
550	}
551
552	Void TEncSbac::loadIntraDirModeLuma( TEncSbac* pSrc)
553	{
554	m_pcBinIf->copyState( pSrc->m_pcBinIf );
555
556	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
557	}
558
559
560	Void TEncSbac::store( TEncSbac* pDest)
561	{
562	pDest->xCopyFrom( this );
563	}
564
565
566	Void TEncSbac::xCopyFrom( TEncSbac* pSrc )
567	{
568	m_pcBinIf->copyState( pSrc->m_pcBinIf );
569
570	this->m_uiCoeffCost = pSrc->m_uiCoeffCost;
571	this->m_uiLastQp = pSrc->m_uiLastQp;
572
573	memcpy( m_contextModels, pSrc->m_contextModels, m_numContextModels * sizeof( ContextModel ) );
574	}
575
576	#if HHI_INTER_VIEW_MOTION_PRED
577	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum )
578	#else
579	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
580	#endif
581	{
582	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
583	#if HHI_INTER_VIEW_MOTION_PRED
584	#else
585	Int iNum = AMVP_MAX_NUM_CANDS;
586	#endif
587
588	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
589	}
590
591	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
592	{
593	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
594	#if OL_DEPTHLIMIT_A0044
595	UInt uiSymbol;
596	#endif
597	if ( pcCU->isIntra( uiAbsPartIdx ) )
598	{
599	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
600	{
601	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
602	#if OL_DEPTHLIMIT_A0044
603	if(pcCU->getPartDumpFlag())
604	{
605	uiSymbol = (UInt)(eSize == SIZE_2Nx2N? 1 : 0);
606	pcCU->updatePartInfo(uiSymbol?0:1,uiDepth); //0 for 2Nx2N and 1 for NxN
607	pcCU->incrementPartInfo();
608	}
609	#endif
610	}
611	#if OL_DEPTHLIMIT_A0044
612	if(pcCU->getPartDumpFlag() && uiDepth < g_uiMaxCUDepth - g_uiAddCUDepth && !pcCU->getSlice()->isIntra())
613	{
614	pcCU->updatePartInfo(0,uiDepth); //0 for 2Nx2N and 1 for NxN
615	pcCU->incrementPartInfo();
616	}
617	#endif
618	return;
619	}
620
621	switch(eSize)
622	{
623	case SIZE_2Nx2N:
624	{
625	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
626	#if OL_DEPTHLIMIT_A0044
627	if(pcCU->getPartDumpFlag())
628	{
629	pcCU->updatePartInfo(0,uiDepth); //0 for 2Nx2N
630	pcCU->incrementPartInfo();
631	}
632	#endif
633	break;
634	}
635	case SIZE_2NxN:
636	case SIZE_2NxnU:
637	case SIZE_2NxnD:
638	{
639	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
640	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
641	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
642	{
643	if (eSize == SIZE_2NxN)
644	{
645	#if AMP_CTX
646	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
647	#else
648	m_pcBinIf->encodeBin(1, m_cCUYPosiSCModel.get( 0, 0, 0 ));
649	#endif
650	}
651	else
652	{
653	#if AMP_CTX
654	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
655	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
656	#else
657	m_pcBinIf->encodeBin(0, m_cCUYPosiSCModel.get( 0, 0, 0 ));
658	m_pcBinIf->encodeBin((eSize == SIZE_2NxnU? 0: 1), m_cCUYPosiSCModel.get( 0, 0, 1 ));
659	#endif
660	}
661	}
662	#if OL_DEPTHLIMIT_A0044
663	if(pcCU->getPartDumpFlag())
664	{
665	pcCU->updatePartInfo(2,uiDepth); //2 for 2NxN
666	pcCU->incrementPartInfo();
667	}
668	#endif
669	break;
670	}
671	case SIZE_Nx2N:
672	case SIZE_nLx2N:
673	case SIZE_nRx2N:
674	{
675	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
676	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
677	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
678	{
679	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
680	}
681	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
682	{
683	if (eSize == SIZE_Nx2N)
684	{
685	#if AMP_CTX
686	m_pcBinIf->encodeBin(1, m_cCUAMPSCModel.get( 0, 0, 0 ));
687	#else
688	m_pcBinIf->encodeBin(1, m_cCUXPosiSCModel.get( 0, 0, 0 ));
689	#endif
690	}
691	else
692	{
693	#if AMP_CTX
694	m_pcBinIf->encodeBin(0, m_cCUAMPSCModel.get( 0, 0, 0 ));
695	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
696	#else
697	m_pcBinIf->encodeBin(0, m_cCUXPosiSCModel.get( 0, 0, 0 ));
698	m_pcBinIf->encodeBin((eSize == SIZE_nLx2N? 0: 1), m_cCUXPosiSCModel.get( 0, 0, 1 ));
699	#endif
700	}
701	}
702	#if OL_DEPTHLIMIT_A0044
703	if(pcCU->getPartDumpFlag())
704	{
705	pcCU->updatePartInfo(3,uiDepth); //3 for Nx2N
706	pcCU->incrementPartInfo();
707	}
708	#endif
709	break;
710	}
711	case SIZE_NxN:
712	{
713	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth && !( pcCU->getSlice()->getSPS()->getDisInter4x4() && pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
714	{
715	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
716	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
717	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
718	#if OL_DEPTHLIMIT_A0044
719	if(pcCU->getPartDumpFlag())
720	{
721	pcCU->updatePartInfo(1,uiDepth); //2Nx2N here since we disable NxN in Inter
722	pcCU->incrementPartInfo();
723	}
724	#endif
725	}
726	else
727	{
728	#if OL_DEPTHLIMIT_A0044
729	if(pcCU->getPartDumpFlag())
730	{
731	pcCU->updatePartInfo(0,uiDepth); //2Nx2N here since we disable NxN in Inter
732	pcCU->incrementPartInfo();
733	}
734	#endif
735	}
736	break;
737	}
738	default:
739	{
740	assert(0);
741	}
742	}
743	}
744
745	/** code prediction mode
746	* \param pcCU
747	* \param uiAbsPartIdx
748	* \returns Void
749	*/
750	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
751	{
752	// get context function is here
753	Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx );
754	m_pcBinIf->encodeBin( iPredMode == MODE_INTER ? 0 : 1, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
755	}
756
757	Void TEncSbac::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
758	{
759	if (!m_bAlfCtrl)
760	return;
761
762	if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth))
763	{
764	return;
765	}
766
767	const UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0;
768	m_pcBinIf->encodeBin( uiSymbol, *m_cCUAlfCtrlFlagSCModel.get( 0 ) );
769	}
770
771	Void TEncSbac::codeAlfCtrlDepth()
772	{
773	if (!m_bAlfCtrl)
774	return;
775
776	UInt uiDepth = m_uiMaxAlfCtrlDepth;
777	xWriteUnaryMaxSymbol(uiDepth, m_cALFUvlcSCModel.get(0), 1, g_uiMaxCUDepth-1);
778	}
779
780	/** code skip flag
781	* \param pcCU
782	* \param uiAbsPartIdx
783	* \returns Void
784	*/
785	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
786	{
787	// get context function is here
788	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
789	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
790	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
791	DTRACE_CABAC_VL( g_nSymbolCounter++ );
792	DTRACE_CABAC_T( "\tSkipFlag" );
793	DTRACE_CABAC_T( "\tuiCtxSkip: ");
794	DTRACE_CABAC_V( uiCtxSkip );
795	DTRACE_CABAC_T( "\tuiSymbol: ");
796	DTRACE_CABAC_V( uiSymbol );
797	DTRACE_CABAC_T( "\n");
798	}
799
800	#if LGE_ILLUCOMP_B0045
801	/** code Illumination Compensation flag
802	* \param pcCU
803	* \param uiAbsPartIdx
804	* \returns Void
805	*/
806	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
807	{
808	// get context function is here
809	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
810	UInt uiCtxIC = pcCU->getCtxICFlag( uiAbsPartIdx ) ;
811	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, uiCtxIC ) );
812	DTRACE_CABAC_VL( g_nSymbolCounter++ );
813	DTRACE_CABAC_T( "\tICFlag" );
814	DTRACE_CABAC_T( "\tuiCtxIC: ");
815	DTRACE_CABAC_V( uiCtxIC );
816	DTRACE_CABAC_T( "\tuiSymbol: ");
817	DTRACE_CABAC_V( uiSymbol );
818	DTRACE_CABAC_T( "\n");
819	}
820	#endif
821
822	/** code merge flag
823	* \param pcCU
824	* \param uiAbsPartIdx
825	* \returns Void
826	*/
827	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
828	{
829	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
830	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
831
832	DTRACE_CABAC_VL( g_nSymbolCounter++ );
833	DTRACE_CABAC_T( "\tMergeFlag: " );
834	DTRACE_CABAC_V( uiSymbol );
835	DTRACE_CABAC_T( "\tAddress: " );
836	DTRACE_CABAC_V( pcCU->getAddr() );
837	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
838	DTRACE_CABAC_V( uiAbsPartIdx );
839	DTRACE_CABAC_T( "\n" );
840	}
841
842	/** code merge index
843	* \param pcCU
844	* \param uiAbsPartIdx
845	* \returns Void
846	*/
847	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
848	{
849	UInt uiNumCand = MRG_MAX_NUM_CANDS;
850	#if !MRG_IDX_CTX_RED
851	UInt auiCtx[4] = { 0, 1, 2, 3 };
852	#endif
853	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
854	uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
855	#if HHI_MPI
856	const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE;
857	if( bMVIAvailable )
858	{
859	const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1;
860	if( bUseMVI )
861	{
862	uiUnaryIdx = (UInt)HHI_MPI_MERGE_POS;
863	}
864	else if( (Int)uiUnaryIdx >= (Int)HHI_MPI_MERGE_POS )
865	{
866	uiUnaryIdx++;
867	}
868	}
869	#endif
870	if ( uiNumCand > 1 )
871	{
872	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
873	{
874	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
875	#if MRG_IDX_CTX_RED
876	if ( ui==0 )
877	{
878	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
879	}
880	else
881	{
882	m_pcBinIf->encodeBinEP( uiSymbol );
883	}
884	#else
885	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, auiCtx[ui] ) );
886	#endif
887	if( uiSymbol == 0 )
888	{
889	break;
890	}
891	}
892	}
893	DTRACE_CABAC_VL( g_nSymbolCounter++ );
894	DTRACE_CABAC_T( "\tparseMergeIndex()" );
895	DTRACE_CABAC_T( "\tuiMRGIdx= " );
896	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
897	DTRACE_CABAC_T( "\n" );
898	}
899
900	#if HHI_INTER_VIEW_RESIDUAL_PRED
901	Void
902	TEncSbac::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
903	{
904	UInt uiCtx = pcCU->getCtxResPredFlag( uiAbsPartIdx );
905	UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 );
906	m_pcBinIf->encodeBin( uiSymbol, m_cResPredFlagSCModel.get( 0, 0, uiCtx ) );
907	}
908	#endif
909
910	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
911	{
912	if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )
913	return;
914
915	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
916	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
917
918	assert( uiCtx < 3 );
919	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
920	#if OL_DEPTHLIMIT_A0044
921	if(pcCU->getPartDumpFlag())
922	{
923	if(pcCU->getSlice()->isIntra() \|\| (!pcCU->getSlice()->isIntra() && uiCurrSplitFlag!=0))
924	{
925	pcCU->updatePartInfo(uiCurrSplitFlag,uiDepth);
926	pcCU->incrementPartInfo();
927	}
928	}
929	#endif
930	DTRACE_CABAC_VL( g_nSymbolCounter++ )
931	DTRACE_CABAC_T( "\tSplitFlag\n" )
932	return;
933	}
934
935	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
936	{
937	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
938	DTRACE_CABAC_VL( g_nSymbolCounter++ )
939	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
940	DTRACE_CABAC_T( "\tsymbol=" )
941	DTRACE_CABAC_V( uiSymbol )
942	DTRACE_CABAC_T( "\tctx=" )
943	DTRACE_CABAC_V( uiCtx )
944	DTRACE_CABAC_T( "\n" )
945	}
946
947	#if LGE_EDGE_INTRA
948	Void TEncSbac::xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx )
949	{
950	UInt uiDepth = pcCU->getDepth( uiPartIdx ) + (pcCU->getPartitionSize( uiPartIdx ) == SIZE_NxN ? 1 : 0);
951	UInt uiCtxEdgeIntra = pcCU->getCtxEdgeIntra( uiPartIdx );
952	UChar* pucSymbolList = pcCU->getEdgeCode( uiPartIdx );
953	UChar ucEdgeNumber = pcCU->getEdgeNumber( uiPartIdx );
954	Bool bLeft = pcCU->getEdgeLeftFirst( uiPartIdx );
955	UChar ucStart = pcCU->getEdgeStartPos( uiPartIdx );
956	UInt uiSymbol;
957
958	// 1. Top(0) or Left(1)
959	uiSymbol = (bLeft == false) ? 0 : 1;
960	m_pcBinIf->encodeBinEP( uiSymbol );
961
962	// 2. Start position (lowest bit first)
963	uiSymbol = ucStart;
964	for( UInt ui = 6; ui > uiDepth; ui-- ) // 64(0)->6, 32(1)->5, 16(2)->4, 8(3)->3, 4(4)->2
965	{
966	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
967	uiSymbol >>= 1;
968	}
969
970	// 3. Number of edges
971	uiSymbol = ucEdgeNumber > 0 ? ucEdgeNumber - 1 : 0;
972	for( UInt ui = 7; ui > uiDepth; ui-- ) // 64(0)->7, 32(1)->6, 16(2)->5, 8(3)->4, 4(4)->3
973	{
974	m_pcBinIf->encodeBinEP( uiSymbol & 0x1 );
975	uiSymbol >>= 1;
976	}
977
978	if(uiSymbol != 0)
979	{
980	printf(" ucEdgeNumber %d at depth %d\n",ucEdgeNumber, uiDepth);
981	assert(false);
982	}
983
984	// 4. Edges
985	for( Int iPtr2 = 0; iPtr2 < ucEdgeNumber; iPtr2++ )
986	{
987	UInt uiReorderSymbol = pucSymbolList[iPtr2];
988
989	//printf ("Ptr = %d, Symbol = %d\n", iPtr2, uiSymbol);
990
991	// Left-friendly direction (Top start)
992	// 0 ( 0deg) => 0
993	// 1 ( 45deg) => 10
994	// 2 ( -45deg) => 110
995	// 3 ( 90deg) => 1110
996	// 4 ( -90deg) => 11110
997	// 5 ( 135deg) => 111110
998	// 6 (-135deg) => 111111
999	// Right-friendly direction (Left start)
1000	// 0 ( 0deg) => 0
1001	// 2 ( -45deg) => 10
1002	// 1 ( 45deg) => 110
1003	// 4 ( -90deg) => 1110
1004	// 3 ( 90deg) => 11110
1005	// 6 (-135deg) => 111110
1006	// 5 ( 135deg) => 111111
1007
1008	// refer to a paper "An efficient chain code with Huffman coding"
1009
1010	for( UInt ui = 0; ui < uiReorderSymbol; ui++ )
1011	{
1012	m_pcBinIf->encodeBin( 1, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1013	}
1014
1015	if( uiReorderSymbol != 6 )
1016	m_pcBinIf->encodeBin( 0, m_cEdgeIntraSCModel.get( 0, 0, uiCtxEdgeIntra ) );
1017	}
1018	}
1019	#endif
1020
1021	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx )
1022	{
1023	UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx );
1024
1025	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1026	if( pcCU->getSlice()->getSPS()->getUseDMM() && pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE )
1027	{
1028	#if LGE_EDGE_INTRA
1029	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX, m_cDmmFlagSCModel.get(0, 0, 0) );
1030	#else
1031	m_pcBinIf->encodeBin( uiDir >= NUM_INTRA_MODE, m_cDmmFlagSCModel.get(0, 0, 0) );
1032	#endif
1033	}
1034	#if LGE_EDGE_INTRA
1035	if( uiDir >= NUM_INTRA_MODE && uiDir < EDGE_INTRA_IDX )
1036	#else
1037	if( uiDir >= NUM_INTRA_MODE )
1038	#endif
1039	{
1040	assert( pcCU->getWidth( uiAbsPartIdx ) <= DMM_WEDGEMODEL_MAX_SIZE );
1041	UInt uiDMMode = uiDir - NUM_INTRA_MODE;
1042
1043	#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
1044	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1045	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1046
1047	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1048	{
1049	m_pcBinIf->encodeBin( (uiDMMode & 0x04) >> 2, m_cDmmModeSCModel.get(0, 0, 0) );
1050	}
1051	#else
1052	m_pcBinIf->encodeBin( (uiDMMode & 0x01), m_cDmmModeSCModel.get(0, 0, 0) );
1053
1054	if( pcCU->getPartitionSize( uiAbsPartIdx ) != SIZE_NxN && pcCU->getWidth( uiAbsPartIdx ) > 4 )
1055	{
1056	m_pcBinIf->encodeBin( (uiDMMode & 0x02) >> 1, m_cDmmModeSCModel.get(0, 0, 0) );
1057	}
1058	#endif
1059	#if HHI_DMM_WEDGE_INTRA
1060	if( uiDir == DMM_WEDGE_FULL_IDX ) { xCodeWedgeFullInfo ( pcCU, uiAbsPartIdx ); }
1061	if( uiDir == DMM_WEDGE_FULL_D_IDX ) { xCodeWedgeFullDeltaInfo ( pcCU, uiAbsPartIdx ); }
1062	if( uiDir == DMM_WEDGE_PREDDIR_IDX ) { xCodeWedgePredDirInfo ( pcCU, uiAbsPartIdx ); }
1063	if( uiDir == DMM_WEDGE_PREDDIR_D_IDX ) { xCodeWedgePredDirDeltaInfo ( pcCU, uiAbsPartIdx ); }
1064	#endif
1065	#if HHI_DMM_PRED_TEX
1066	if( uiDir == DMM_WEDGE_PREDTEX_D_IDX ) { xCodeWedgePredTexDeltaInfo ( pcCU, uiAbsPartIdx ); }
1067	if( uiDir == DMM_CONTOUR_PREDTEX_D_IDX ) { xCodeContourPredTexDeltaInfo( pcCU, uiAbsPartIdx ); }
1068	#endif
1069	}
1070	else
1071	#if LGE_EDGE_INTRA
1072	if ( uiDir >= EDGE_INTRA_IDX)
1073	{
1074	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1075	m_pcBinIf->encodeBinsEP( 63, 6 );
1076	xCodeEdgeIntraInfo( pcCU, uiAbsPartIdx );
1077	#if LGE_EDGE_INTRA_DELTA_DC
1078	m_pcBinIf->encodeBin( (uiDir == EDGE_INTRA_DELTA_IDX), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 0) );
1079	if( uiDir == EDGE_INTRA_DELTA_IDX )
1080	{
1081	Int iDeltaDC0 = pcCU->getEdgeDeltaDC0( uiAbsPartIdx );
1082	Int iDeltaDC1 = pcCU->getEdgeDeltaDC1( uiAbsPartIdx );
1083
1084	xWriteExGolombLevel( UInt( abs( iDeltaDC0 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1085	if ( iDeltaDC0 != 0 )
1086	{
1087	UInt uiSign = iDeltaDC0 > 0 ? 0 : 1;
1088	m_pcBinIf->encodeBinEP( uiSign );
1089	}
1090	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cEdgeIntraDeltaDCSCModel.get(0, 0, 1) );
1091	if ( iDeltaDC1 != 0 )
1092	{
1093	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
1094	m_pcBinIf->encodeBinEP( uiSign );
1095	}
1096	}
1097	#endif
1098	}
1099	else
1100	#endif // LGE_EDGE_INTRA
1101	{
1102	#endif
1103	#if !LOGI_INTRA_NAME_3MPM
1104	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
1105	#endif
1106	#if LGE_EDGE_INTRA
1107	Bool bCodeEdgeIntra = false;
1108	if( pcCU->getSlice()->getSPS()->isDepth() )
1109	{
1110	UInt uiPUWidth = pcCU->getWidth( uiAbsPartIdx ) >> (pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_NxN ? 1 : 0);
1111	if( uiPUWidth <= LGE_EDGE_INTRA_MAX_SIZE && uiPUWidth >= LGE_EDGE_INTRA_MIN_SIZE )
1112	bCodeEdgeIntra = true;
1113	}
1114	#endif
1115
1116	#if LOGI_INTRA_NAME_3MPM
1117	Int uiPreds[3] = {-1, -1, -1};
1118	#else
1119	Int uiPreds[2] = {-1, -1};
1120	#endif
1121	Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds);
1122
1123	Int uiPredIdx = -1;
1124
1125	for(UInt i = 0; i < uiPredNum; i++)
1126	{
1127	if(uiDir == uiPreds[i])
1128	{
1129	uiPredIdx = i;
1130	}
1131	}
1132
1133	if(uiPredIdx != -1)
1134	{
1135	m_pcBinIf->encodeBin( 1, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1136	#if LOGI_INTRA_NAME_3MPM
1137	m_pcBinIf->encodeBinEP( uiPredIdx ? 1 : 0 );
1138	if (uiPredIdx)
1139	{
1140	m_pcBinIf->encodeBinEP( uiPredIdx-1 );
1141	}
1142	#else
1143	m_pcBinIf->encodeBinEP( uiPredIdx );
1144	#endif
1145	}
1146	else
1147	{
1148	m_pcBinIf->encodeBin( 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1149
1150	#if LOGI_INTRA_NAME_3MPM
1151	if (uiPreds[0] > uiPreds[1])
1152	{
1153	std::swap(uiPreds[0], uiPreds[1]);
1154	}
1155	if (uiPreds[0] > uiPreds[2])
1156	{
1157	std::swap(uiPreds[0], uiPreds[2]);
1158	}
1159	if (uiPreds[1] > uiPreds[2])
1160	{
1161	std::swap(uiPreds[1], uiPreds[2]);
1162	}
1163	#endif
1164
1165	for(Int i = (uiPredNum - 1); i >= 0; i--)
1166	{
1167	uiDir = uiDir > uiPreds[i] ? uiDir - 1 : uiDir;
1168	}
1169
1170	#if LOGI_INTRA_NAME_3MPM
1171	m_pcBinIf->encodeBinsEP( uiDir, 5 );
1172	#if LGE_EDGE_INTRA
1173	if (bCodeEdgeIntra)
1174	if (uiDir == 31) m_pcBinIf->encodeBinsEP(0,1);
1175	#endif
1176	#else
1177	if ( uiDir < 31 )
1178	{
1179	m_pcBinIf->encodeBinsEP( uiDir, g_aucIntraModeBitsAng[ iIntraIdx ] - 1 );
1180	}
1181	else
1182	{
1183	m_pcBinIf->encodeBinsEP( 31, 5 );
1184	m_pcBinIf->encodeBinEP( uiDir - 31 );
1185	}
1186	#endif
1187	}
1188	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX
1189	}
1190	#endif
1191	return;
1192	}
1193
1194	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1195	{
1196	UInt uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx );
1197
1198	if( uiIntraDirChroma == DM_CHROMA_IDX )
1199	{
1200	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1201	}
1202	else if( uiIntraDirChroma == LM_CHROMA_IDX )
1203	{
1204	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1205	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 1 ) );
1206	}
1207	else
1208	{
1209	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1210	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1211
1212	for( Int i = 0; i < NUM_CHROMA_MODE - 2; i++ )
1213	{
1214	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1215	{
1216	uiIntraDirChroma = i;
1217	break;
1218	}
1219	}
1220	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1221
1222	if (pcCU->getSlice()->getSPS()->getUseLMChroma())
1223	{
1224	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 1 ));
1225	}
1226	#if CHROMA_MODE_CODING
1227	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1228	#else
1229	xWriteUnaryMaxSymbol( uiIntraDirChroma, m_cCUChromaPredSCModel.get( 0, 0 ) + 1, 0, 3 );
1230	#endif
1231	}
1232	return;
1233	}
1234
1235	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1236	{
1237	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1238	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1239	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1240	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1241
1242	return;
1243	}
1244
1245	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1246	{
1247	if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getInterDir( uiAbsPartIdx ) != 3)
1248	{
1249	Int iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ));
1250
1251	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1252	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1253
1254	if( iRefFrame > 0 )
1255	{
1256	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_C )-2 );
1257	}
1258	}
1259	else
1260	{
1261	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1262	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1263	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1264
1265	if( iRefFrame > 0 )
1266	{
1267	xWriteUnaryMaxSymbol( iRefFrame - 1, pCtx + 1, 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 );
1268	}
1269	}
1270	return;
1271	}
1272
1273	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1274	{
1275	#if H0111_MVD_L1_ZERO
1276	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1277	{
1278	return;
1279	}
1280	#endif
1281
1282	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1283	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1284	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1285	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1286
1287	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1288	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1289
1290	const Bool bHorAbsGr0 = iHor != 0;
1291	const Bool bVerAbsGr0 = iVer != 0;
1292	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1293	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1294	pCtx++;
1295
1296	if( bHorAbsGr0 )
1297	{
1298	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1299	}
1300
1301	if( bVerAbsGr0 )
1302	{
1303	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1304	}
1305
1306	if( bHorAbsGr0 )
1307	{
1308	if( uiHorAbs > 1 )
1309	{
1310	xWriteEpExGolomb( uiHorAbs-2, 1 );
1311	}
1312
1313	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1314	}
1315
1316	if( bVerAbsGr0 )
1317	{
1318	if( uiVerAbs > 1 )
1319	{
1320	xWriteEpExGolomb( uiVerAbs-2, 1 );
1321	}
1322
1323	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1324	}
1325
1326	return;
1327	}
1328
1329	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1330	{
1331	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1332
1333	#if H0736_AVC_STYLE_QP_RANGE
1334	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1335	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1336	#else
1337	#if LOSSLESS_CODING
1338	if(pcCU->getSlice()->getSPS()->getUseLossless())
1339	{
1340	if(iDQp > 25)
1341	{
1342	iDQp = iDQp - 52;
1343	}
1344	if(iDQp < -26)
1345	{
1346	iDQp = iDQp + 52;
1347	}
1348	}
1349	#endif
1350	#endif
1351
1352	if ( iDQp == 0 )
1353	{
1354	m_pcBinIf->encodeBin( 0, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1355	}
1356	else
1357	{
1358	m_pcBinIf->encodeBin( 1, m_cCUDeltaQpSCModel.get( 0, 0, 0 ) );
1359
1360	UInt uiSign = (iDQp > 0 ? 0 : 1);
1361	#if !H0736_AVC_STYLE_QP_RANGE
1362	UInt uiQpBdOffsetY = 6*(g_uiBitIncrement + g_uiBitDepth - 8);
1363	#endif
1364
1365	m_pcBinIf->encodeBinEP(uiSign);
1366
1367	#if H0736_AVC_STYLE_QP_RANGE
1368	assert(iDQp >= -(26+(qpBdOffsetY/2)));
1369	assert(iDQp <= (25+(qpBdOffsetY/2)));
1370
1371	UInt uiMaxAbsDQpMinus1 = 24 + (qpBdOffsetY/2) + (uiSign);
1372	#else
1373	assert(iDQp >= -(26+(Int)(uiQpBdOffsetY/2)));
1374	assert(iDQp <= (25+(Int)(uiQpBdOffsetY/2)));
1375
1376	UInt uiMaxAbsDQpMinus1 = 24 + (uiQpBdOffsetY/2) + (uiSign);
1377	#endif
1378	UInt uiAbsDQpMinus1 = (UInt)((iDQp > 0)? iDQp : (-iDQp)) - 1;
1379	xWriteUnaryMaxSymbol( uiAbsDQpMinus1, &m_cCUDeltaQpSCModel.get( 0, 0, 1 ), 1, uiMaxAbsDQpMinus1);
1380	}
1381
1382	return;
1383	}
1384
1385	Void TEncSbac::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1386	{
1387	UInt uiCbf = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth );
1388	UInt uiCtx = pcCU->getCtxQtCbf( uiAbsPartIdx, eType, uiTrDepth );
1389	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, eType ? TEXT_CHROMA : eType, uiCtx ) );
1390	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1391	DTRACE_CABAC_T( "\tparseQtCbf()" )
1392	DTRACE_CABAC_T( "\tsymbol=" )
1393	DTRACE_CABAC_V( uiCbf )
1394	DTRACE_CABAC_T( "\tctx=" )
1395	DTRACE_CABAC_V( uiCtx )
1396	DTRACE_CABAC_T( "\tetype=" )
1397	DTRACE_CABAC_V( eType )
1398	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1399	DTRACE_CABAC_V( uiAbsPartIdx )
1400	DTRACE_CABAC_T( "\n" )
1401	}
1402
1403	#if BURST_IPCM
1404	/** Code I_PCM information.
1405	* \param pcCU pointer to CU
1406	* \param uiAbsPartIdx CU index
1407	* \param numIPCM the number of succesive IPCM blocks with the same size
1408	* \param firstIPCMFlag
1409	* \returns Void
1410	*/
1411	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag)
1412	#else
1413	/** Code I_PCM information.
1414	* \param pcCU pointer to CU
1415	* \param uiAbsPartIdx CU index
1416	* \returns Void
1417	*
1418	* If I_PCM flag indicates that the CU is I_PCM, code its PCM alignment bits and codes.
1419	*/
1420	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx)
1421	#endif
1422	{
1423	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1424
1425	#if BURST_IPCM
1426	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1427
1428	if( uiIPCM == 0 \|\| firstIPCMFlag)
1429	{
1430	m_pcBinIf->encodeBinTrm (uiIPCM);
1431
1432	if ( firstIPCMFlag )
1433	{
1434	m_pcBinIf->encodeNumSubseqIPCM( numIPCM - 1 );
1435	m_pcBinIf->encodePCMAlignBits();
1436	}
1437	}
1438	#else
1439	m_pcBinIf->encodeBinTrm (uiIPCM);
1440	#endif
1441
1442	#if BURST_IPCM
1443	if (writePCMSampleFlag)
1444	#else
1445	if (uiIPCM)
1446	#endif
1447	{
1448	#if !BURST_IPCM
1449	m_pcBinIf->encodePCMAlignBits();
1450	#endif
1451	UInt uiMinCoeffSize = pcCU->getPic()->getMinCUWidth()*pcCU->getPic()->getMinCUHeight();
1452	UInt uiLumaOffset = uiMinCoeffSize*uiAbsPartIdx;
1453	UInt uiChromaOffset = uiLumaOffset>>2;
1454	Pel* piPCMSample;
1455	UInt uiWidth;
1456	UInt uiHeight;
1457	UInt uiSampleBits;
1458	UInt uiX, uiY;
1459
1460	piPCMSample = pcCU->getPCMSampleY() + uiLumaOffset;
1461	uiWidth = pcCU->getWidth(uiAbsPartIdx);
1462	uiHeight = pcCU->getHeight(uiAbsPartIdx);
1463	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthLuma();
1464
1465	for(uiY = 0; uiY < uiHeight; uiY++)
1466	{
1467	for(uiX = 0; uiX < uiWidth; uiX++)
1468	{
1469	UInt uiSample = piPCMSample[uiX];
1470
1471	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1472	}
1473	piPCMSample += uiWidth;
1474	}
1475
1476	piPCMSample = pcCU->getPCMSampleCb() + uiChromaOffset;
1477	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1478	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1479	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1480
1481	for(uiY = 0; uiY < uiHeight; uiY++)
1482	{
1483	for(uiX = 0; uiX < uiWidth; uiX++)
1484	{
1485	UInt uiSample = piPCMSample[uiX];
1486
1487	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1488	}
1489	piPCMSample += uiWidth;
1490	}
1491
1492	piPCMSample = pcCU->getPCMSampleCr() + uiChromaOffset;
1493	uiWidth = pcCU->getWidth(uiAbsPartIdx)/2;
1494	uiHeight = pcCU->getHeight(uiAbsPartIdx)/2;
1495	uiSampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepthChroma();
1496
1497	for(uiY = 0; uiY < uiHeight; uiY++)
1498	{
1499	for(uiX = 0; uiX < uiWidth; uiX++)
1500	{
1501	UInt uiSample = piPCMSample[uiX];
1502
1503	m_pcBinIf->xWritePCMCode(uiSample, uiSampleBits);
1504	}
1505	piPCMSample += uiWidth;
1506	}
1507	#if BURST_IPCM
1508	numIPCM--;
1509	if(numIPCM == 0)
1510	{
1511	m_pcBinIf->resetBac();
1512	}
1513	#else
1514	m_pcBinIf->resetBac();
1515	#endif
1516	}
1517	}
1518
1519	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1520	{
1521	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1522	UInt uiCtx = 0;
1523	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1524	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1525	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1526	DTRACE_CABAC_T( "\tsymbol=" )
1527	DTRACE_CABAC_V( uiCbf )
1528	DTRACE_CABAC_T( "\tctx=" )
1529	DTRACE_CABAC_V( uiCtx )
1530	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1531	DTRACE_CABAC_V( uiAbsPartIdx )
1532	DTRACE_CABAC_T( "\n" )
1533	}
1534
1535	/** Encode (X,Y) position of the last significant coefficient
1536	* \param uiPosX X component of last coefficient
1537	* \param uiPosY Y component of last coefficient
1538	* \param width Block width
1539	* \param height Block height
1540	* \param eTType plane type / luminance or chrominance
1541	* \param uiScanIdx scan type (zig-zag, hor, ver)
1542	* This method encodes the X and Y component within a block of the last significant coefficient.
1543	*/
1544	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx )
1545	{
1546	// swap
1547	if( uiScanIdx == SCAN_VER )
1548	{
1549	swap( uiPosX, uiPosY );
1550	}
1551
1552	UInt uiCtxLast;
1553	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
1554	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
1555	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1556	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1557
1558	// posX
1559	#if LAST_CTX_REDUCTION
1560	Int widthCtx = eTType? 4: width;
1561	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ widthCtx ] ( g_aucConvertToBit[ widthCtx ] + 3 ) );
1562	#else
1563	const UInt puiCtxIdxX = g_uiLastCtx + ( g_aucConvertToBit[ width ] ( g_aucConvertToBit[ width ] + 3 ) );
1564	#endif
1565	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1566	{
1567	#if LAST_CTX_REDUCTION
1568	if (eTType)
1569	{
1570	m_pcBinIf->encodeBin( 1, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1571	}
1572	else
1573	{
1574	#endif
1575	m_pcBinIf->encodeBin( 1, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1576	#if LAST_CTX_REDUCTION
1577	}
1578	#endif
1579	}
1580	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1581	{
1582	#if LAST_CTX_REDUCTION
1583	if ( eTType )
1584	{
1585	m_pcBinIf->encodeBin( 0, *( pCtxX + (uiCtxLast>>g_aucConvertToBit[ width ]) ) );
1586	}
1587	else
1588	{
1589	#endif
1590	m_pcBinIf->encodeBin( 0, *( pCtxX + puiCtxIdxX[ uiCtxLast ] ) );
1591	#if LAST_CTX_REDUCTION
1592	}
1593	#endif
1594	}
1595
1596	// posY
1597	#if LAST_CTX_REDUCTION
1598	Int heightCtx = eTType? 4: height;
1599	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ heightCtx ] ( g_aucConvertToBit[ heightCtx ] + 3 ) );
1600	#else
1601	const UInt puiCtxIdxY = g_uiLastCtx + ( g_aucConvertToBit[ height ] ( g_aucConvertToBit[ height ] + 3 ) );
1602	#endif
1603	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1604	{
1605	#if LAST_CTX_REDUCTION
1606	if (eTType)
1607	{
1608	m_pcBinIf->encodeBin( 1, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ])));
1609	}
1610	else
1611	{
1612	#endif
1613	m_pcBinIf->encodeBin( 1, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1614	#if LAST_CTX_REDUCTION
1615	}
1616	#endif
1617	}
1618	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1619	{
1620	#if LAST_CTX_REDUCTION
1621	if (eTType)
1622	{
1623	m_pcBinIf->encodeBin( 0, *( pCtxY + (uiCtxLast>>g_aucConvertToBit[ height ]) ) );
1624	}
1625	else
1626	{
1627	#endif
1628	m_pcBinIf->encodeBin( 0, *( pCtxY + puiCtxIdxY[ uiCtxLast ] ) );
1629	#if LAST_CTX_REDUCTION
1630	}
1631	#endif
1632	}
1633	if ( uiGroupIdxX > 3 )
1634	{
1635	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1636	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1637	for (Int i = uiCount - 1 ; i >= 0; i-- )
1638	{
1639	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1640	}
1641	}
1642	if ( uiGroupIdxY > 3 )
1643	{
1644	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1645	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1646	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1647	{
1648	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1649	}
1650	}
1651	}
1652
1653	Void TEncSbac::codeCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1654	{
1655	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1656	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1657	DTRACE_CABAC_V( eTType )
1658	DTRACE_CABAC_T( "\twidth=" )
1659	DTRACE_CABAC_V( uiWidth )
1660	DTRACE_CABAC_T( "\theight=" )
1661	DTRACE_CABAC_V( uiHeight )
1662	DTRACE_CABAC_T( "\tdepth=" )
1663	DTRACE_CABAC_V( uiDepth )
1664	DTRACE_CABAC_T( "\tabspartidx=" )
1665	DTRACE_CABAC_V( uiAbsPartIdx )
1666	DTRACE_CABAC_T( "\ttoCU-X=" )
1667	DTRACE_CABAC_V( pcCU->getCUPelX() )
1668	DTRACE_CABAC_T( "\ttoCU-Y=" )
1669	DTRACE_CABAC_V( pcCU->getCUPelY() )
1670	DTRACE_CABAC_T( "\tCU-addr=" )
1671	DTRACE_CABAC_V( pcCU->getAddr() )
1672	DTRACE_CABAC_T( "\tinCU-X=" )
1673	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1674	DTRACE_CABAC_T( "\tinCU-Y=" )
1675	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1676	DTRACE_CABAC_T( "\tpredmode=" )
1677	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1678	DTRACE_CABAC_T( "\n" )
1679
1680	if( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() )
1681	{
1682	uiWidth = m_pcSlice->getSPS()->getMaxTrSize();
1683	uiHeight = m_pcSlice->getSPS()->getMaxTrSize();
1684	}
1685
1686	UInt uiNumSig = 0;
1687
1688	// compute number of significant coefficients
1689	uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1690
1691	if ( uiNumSig == 0 )
1692	return;
1693
1694	eTType = eTType == TEXT_LUMA ? TEXT_LUMA : ( eTType == TEXT_NONE ? TEXT_NONE : TEXT_CHROMA );
1695
1696	//----- encode significance map -----
1697	const UInt uiLog2BlockSize = g_aucConvertToBit[ uiWidth ] + 2;
1698	UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx));
1699	if (uiScanIdx == SCAN_ZIGZAG)
1700	{
1701	// Map zigzag to diagonal scan
1702	uiScanIdx = SCAN_DIAG;
1703	}
1704	Int blockType = uiLog2BlockSize;
1705	if (uiWidth != uiHeight)
1706	{
1707	uiScanIdx = SCAN_DIAG;
1708	blockType = 4;
1709	}
1710
1711	const UInt * scan;
1712	if (uiWidth == uiHeight)
1713	{
1714	scan = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize - 1 ];
1715	}
1716	else
1717	{
1718	scan = g_sigScanNSQT[ uiLog2BlockSize - 2 ];
1719	}
1720
1721	#if MULTIBITS_DATA_HIDING
1722	UInt const tsig = pcCU->getSlice()->getPPS()->getTSIG();
1723	#if LOSSLESS_CODING
1724	Bool beValid;
1725	if (pcCU->isLosslessCoded(uiAbsPartIdx))
1726	{
1727	beValid = false;
1728	}
1729	else
1730	{
1731	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1732	}
1733	#else
1734	Bool beValid = pcCU->getSlice()->getPPS()->getSignHideFlag() > 0;
1735	#endif
1736	#endif
1737
1738	// Find position of last coefficient
1739	Int scanPosLast = -1;
1740	Int posLast;
1741
1742	const UInt * scanCG;
1743	if (uiWidth == uiHeight)
1744	{
1745	scanCG = g_auiSigLastScan[ uiScanIdx ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
1746	#if MULTILEVEL_SIGMAP_EXT
1747	if( uiLog2BlockSize == 3 )
1748	{
1749	scanCG = g_sigLastScan8x8[ uiScanIdx ];
1750	}
1751	else if( uiLog2BlockSize == 5 )
1752	{
1753	scanCG = g_sigLastScanCG32x32;
1754	}
1755	#endif
1756	}
1757	else
1758	{
1759	scanCG = g_sigCGScanNSQT[ uiLog2BlockSize - 2 ];
1760	}
1761	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1762	static const UInt uiShift = MLS_CG_SIZE >> 1;
1763	const UInt uiNumBlkSide = uiWidth >> uiShift;
1764
1765	#if !MULTILEVEL_SIGMAP_EXT
1766	if( blockType > 3 )
1767	{
1768	#endif
1769	::memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1770
1771	do
1772	{
1773	posLast = scan[ ++scanPosLast ];
1774
1775	// get L1 sig map
1776	UInt uiPosY = posLast >> uiLog2BlockSize;
1777	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockSize );
1778	UInt uiBlkIdx = uiNumBlkSide * (uiPosY >> uiShift) + (uiPosX >> uiShift);
1779	#if MULTILEVEL_SIGMAP_EXT
1780	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1781	{
1782	if( uiScanIdx == SCAN_HOR )
1783	{
1784	uiBlkIdx = uiPosY >> 1;
1785	}
1786	else if( uiScanIdx == SCAN_VER )
1787	{
1788	uiBlkIdx = uiPosX >> 1;
1789	}
1790	}
1791	#endif
1792	if( pcCoef[ posLast ] )
1793	{
1794	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1795	}
1796
1797	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1798	}
1799	while ( uiNumSig > 0 );
1800	#if !MULTILEVEL_SIGMAP_EXT
1801	}
1802	else
1803	{
1804
1805	do
1806	{
1807	posLast = scan[ ++scanPosLast ];
1808	uiNumSig -= ( pcCoef[ posLast ] != 0 );
1809	}
1810	while ( uiNumSig > 0 );
1811
1812	}
1813	#endif
1814
1815	// Code position of last coefficient
1816	Int posLastY = posLast >> uiLog2BlockSize;
1817	Int posLastX = posLast - ( posLastY << uiLog2BlockSize );
1818	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, eTType, uiScanIdx);
1819
1820	//===== code significance flag =====
1821	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, eTType );
1822	ContextModel * const baseCtx = (eTType==TEXT_LUMA) ? m_cCUSigSCModel.get( 0, 0 ) : m_cCUSigSCModel.get( 0, 0 ) + NUM_SIG_FLAG_CTX_LUMA;
1823
1824
1825	const Int iLastScanSet = scanPosLast >> LOG2_SCAN_SET_SIZE;
1826	UInt uiNumOne = 0;
1827	UInt uiGoRiceParam = 0;
1828	Int iScanPosSig = scanPosLast;
1829
1830	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1831	{
1832	Int numNonZero = 0;
1833	Int iSubPos = iSubSet << LOG2_SCAN_SET_SIZE;
1834	uiGoRiceParam = 0;
1835	Int absCoeff[16];
1836	UInt coeffSigns = 0;
1837
1838	#if MULTIBITS_DATA_HIDING
1839	Int lastNZPosInCG = -1, firstNZPosInCG = SCAN_SET_SIZE;
1840	#endif
1841
1842	if( iScanPosSig == scanPosLast )
1843	{
1844	absCoeff[ 0 ] = abs( pcCoef[ posLast ] );
1845	coeffSigns = ( pcCoef[ posLast ] < 0 );
1846	numNonZero = 1;
1847	#if MULTIBITS_DATA_HIDING
1848	lastNZPosInCG = iScanPosSig;
1849	firstNZPosInCG = iScanPosSig;
1850	#endif
1851	iScanPosSig--;
1852	}
1853
1854	#if !MULTILEVEL_SIGMAP_EXT
1855	if( blockType > 3 )
1856	{
1857	#endif
1858	// encode significant_coeffgroup_flag
1859	Int iCGBlkPos = scanCG[ iSubSet ];
1860	Int iCGPosY = iCGBlkPos / uiNumBlkSide;
1861	Int iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
1862	#if MULTILEVEL_SIGMAP_EXT
1863	if( uiWidth == 8 && uiHeight == 8 && (uiScanIdx == SCAN_HOR \|\| uiScanIdx == SCAN_VER) )
1864	{
1865	iCGPosY = (uiScanIdx == SCAN_HOR ? iCGBlkPos : 0);
1866	iCGPosX = (uiScanIdx == SCAN_VER ? iCGBlkPos : 0);
1867	}
1868	#endif
1869	#if !REMOVE_INFER_SIGGRP
1870	Bool bInferredCGFlag = false;
1871	#endif
1872	#if REMOVE_INFER_SIGGRP
1873	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1874	#else
1875	if( iSubSet == iLastScanSet )
1876	#endif
1877	{
1878	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1879	}
1880	else
1881	{
1882	#if !REMOVE_INFER_SIGGRP
1883	#if MULTILEVEL_SIGMAP_EXT
1884	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight ) && ( iSubSet ) )
1885	#else
1886	if( !TComTrQuant::bothCGNeighboursOne( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight ) && ( iSubSet ) )
1887	#endif
1888	{
1889	#endif
1890	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1891	#if MULTILEVEL_SIGMAP_EXT
1892	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiScanIdx, uiWidth, uiHeight );
1893	#else
1894	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, uiWidth, uiHeight );
1895	#endif
1896	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1897	#if !REMOVE_INFER_SIGGRP
1898	}
1899	else
1900	{
1901	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1902	bInferredCGFlag = true;
1903	}
1904	#endif
1905	}
1906
1907	// encode significant_coeff_flag
1908	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1909	{
1910	UInt uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
1911	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1912	{
1913	uiBlkPos = scan[ iScanPosSig ];
1914	uiPosY = uiBlkPos >> uiLog2BlockSize;
1915	uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1916	uiSig = (pcCoef[ uiBlkPos ] != 0);
1917	#if REMOVE_INFER_SIGGRP
1918	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1919	#else
1920	if( iScanPosSig > iSubPos \|\| bInferredCGFlag \|\| numNonZero )
1921	#endif
1922	{
1923	uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1924	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1925	}
1926	if( uiSig )
1927	{
1928	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1929	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1930	numNonZero++;
1931	#if MULTIBITS_DATA_HIDING
1932	if( lastNZPosInCG == -1 )
1933	{
1934	lastNZPosInCG = iScanPosSig;
1935	}
1936	firstNZPosInCG = iScanPosSig;
1937	#endif
1938	}
1939	}
1940	}
1941	else
1942	{
1943	iScanPosSig = iSubPos - 1;
1944	}
1945	#if !MULTILEVEL_SIGMAP_EXT
1946	}
1947	else
1948	{
1949
1950	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1951	{
1952	UInt uiBlkPos = scan[ iScanPosSig ];
1953	UInt uiPosY = uiBlkPos >> uiLog2BlockSize;
1954	UInt uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
1955	UInt uiSig = 0;
1956	if( pcCoef[ uiBlkPos ] != 0 )
1957	{
1958	uiSig = 1;
1959	absCoeff[ numNonZero ] = abs( pcCoef[ uiBlkPos ] );
1960	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1961	numNonZero++;
1962	#if MULTIBITS_DATA_HIDING
1963	if( lastNZPosInCG == -1 )
1964	{
1965	lastNZPosInCG = iScanPosSig;
1966	}
1967	firstNZPosInCG = iScanPosSig;
1968	#endif
1969	}
1970	UInt uiCtxSig = TComTrQuant::getSigCtxInc( pcCoef, uiPosX, uiPosY, blockType, uiWidth, uiHeight, eTType );
1971	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1972	}
1973
1974	}
1975	#endif
1976
1977	if( numNonZero > 0 )
1978	{
1979	#if MULTIBITS_DATA_HIDING
1980	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= (Int)tsig );
1981	#endif // MULTIBITS_DATA_HIDING
1982
1983	UInt c1 = 1;
1984	#if !RESTRICT_GR1GR2FLAG_NUMBER
1985	UInt c2 = 0;
1986	#endif
1987	#if LEVEL_CTX_LUMA_RED
1988	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 2 : 0;
1989	#else
1990	UInt uiCtxSet = (iSubSet > 0 && eTType==TEXT_LUMA) ? 3 : 0;
1991	#endif
1992
1993	if( uiNumOne > 0 )
1994	{
1995	uiCtxSet++;
1996	#if !LEVEL_CTX_LUMA_RED
1997	if( uiNumOne > 3 && eTType==TEXT_LUMA)
1998	{
1999	uiCtxSet++;
2000	}
2001	#endif
2002	}
2003
2004	uiNumOne >>= 1;
2005	ContextModel baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUOneSCModel.get( 0, 0 ) + 4 uiCtxSet : m_cCUOneSCModel.get( 0, 0 ) + NUM_ONE_FLAG_CTX_LUMA + 4 * uiCtxSet;
2006
2007	#if RESTRICT_GR1GR2FLAG_NUMBER
2008	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2009	Int firstC2FlagIdx = -1;
2010	for( Int idx = 0; idx < numC1Flag; idx++ )
2011	#else
2012	for ( Int idx = 0; idx < numNonZero; idx++ )
2013	#endif
2014	{
2015	UInt uiSymbol = absCoeff[ idx ] > 1;
2016	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2017	if( uiSymbol )
2018	{
2019	c1 = 0;
2020
2021	#if RESTRICT_GR1GR2FLAG_NUMBER
2022	if (firstC2FlagIdx == -1)
2023	{
2024	firstC2FlagIdx = idx;
2025	}
2026	#endif
2027	}
2028	else if( (c1 < 3) && (c1 > 0) )
2029	{
2030	c1++;
2031	}
2032	}
2033
2034	if (c1 == 0)
2035	{
2036
2037	#if RESTRICT_GR1GR2FLAG_NUMBER
2038	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + uiCtxSet;
2039	if ( firstC2FlagIdx != -1)
2040	{
2041	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2042	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2043	}
2044	#else
2045	baseCtxMod = ( eTType==TEXT_LUMA ) ? m_cCUAbsSCModel.get( 0, 0 ) + 3 * uiCtxSet : m_cCUAbsSCModel.get( 0, 0 ) + NUM_ABS_FLAG_CTX_LUMA + 3 * uiCtxSet;
2046	for ( Int idx = 0; idx < numNonZero; idx++ )
2047	{
2048	if( absCoeff[ idx ] > 1 )
2049	{
2050	UInt symbol = absCoeff[ idx ] > 2;
2051	m_pcBinIf->encodeBin( symbol, baseCtxMod[c2] );
2052	c2 += (c2 < 2);
2053	uiNumOne++;
2054	}
2055	}
2056	#endif
2057	}
2058
2059	#if MULTIBITS_DATA_HIDING
2060	if( beValid && signHidden )
2061	{
2062	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2063	}
2064	else
2065	{
2066	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2067	}
2068	#else
2069	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2070	#endif
2071
2072	#if RESTRICT_GR1GR2FLAG_NUMBER
2073	Int iFirstCoeff2 = 1;
2074	if (c1 == 0 \|\| numNonZero > C1FLAG_NUMBER)
2075	#else
2076	if (c1 == 0)
2077	#endif
2078	{
2079	for ( Int idx = 0; idx < numNonZero; idx++ )
2080	{
2081	#if RESTRICT_GR1GR2FLAG_NUMBER
2082	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2083
2084	if( absCoeff[ idx ] >= baseLevel)
2085	{
2086	xWriteGoRiceExGolomb( absCoeff[ idx ] - baseLevel, uiGoRiceParam );
2087	}
2088	if(absCoeff[ idx ] >= 2)
2089	{
2090	iFirstCoeff2 = 0;
2091	uiNumOne++;
2092	}
2093	#else
2094	if ( absCoeff[ idx ] > 2 )
2095	{
2096	xWriteGoRiceExGolomb( absCoeff[ idx ] - 3, uiGoRiceParam );
2097	}
2098	#endif
2099	}
2100	}
2101	}
2102	else
2103	{
2104	uiNumOne >>= 1;
2105	}
2106	}
2107
2108	return;
2109	}
2110
2111	Void TEncSbac::codeAlfFlag ( UInt uiCode )
2112	{
2113	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2114	m_pcBinIf->encodeBin( uiSymbol, m_cALFFlagSCModel.get( 0, 0, 0 ) );
2115	}
2116
2117	Void TEncSbac::codeAlfCtrlFlag( UInt uiSymbol )
2118	{
2119	m_pcBinIf->encodeBin( uiSymbol, m_cCUAlfCtrlFlagSCModel.get( 0, 0, 0) );
2120	}
2121
2122	Void TEncSbac::codeAlfUvlc ( UInt uiCode )
2123	{
2124	Int i;
2125
2126	if ( uiCode == 0 )
2127	{
2128	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2129	}
2130	else
2131	{
2132	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 0 ) );
2133	for ( i=0; i<uiCode-1; i++ )
2134	{
2135	m_pcBinIf->encodeBin( 1, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2136	}
2137	m_pcBinIf->encodeBin( 0, m_cALFUvlcSCModel.get( 0, 0, 1 ) );
2138	}
2139	}
2140
2141	Void TEncSbac::codeAlfSvlc ( Int iCode )
2142	{
2143	Int i;
2144
2145	if ( iCode == 0 )
2146	{
2147	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2148	}
2149	else
2150	{
2151	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 0 ) );
2152
2153	// write sign
2154	if ( iCode > 0 )
2155	{
2156	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2157	}
2158	else
2159	{
2160	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 1 ) );
2161	iCode = -iCode;
2162	}
2163
2164	// write magnitude
2165	for ( i=0; i<iCode-1; i++ )
2166	{
2167	m_pcBinIf->encodeBin( 1, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2168	}
2169	m_pcBinIf->encodeBin( 0, m_cALFSvlcSCModel.get( 0, 0, 2 ) );
2170	}
2171	}
2172
2173	Void TEncSbac::codeSaoFlag ( UInt uiCode )
2174	{
2175	UInt uiSymbol = ( ( uiCode == 0 ) ? 0 : 1 );
2176	m_pcBinIf->encodeBin( uiSymbol, m_cSaoFlagSCModel.get( 0, 0, 0 ) );
2177	}
2178
2179	Void TEncSbac::codeSaoUvlc ( UInt uiCode )
2180	{
2181	Int i;
2182
2183	if ( uiCode == 0 )
2184	{
2185	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2186	}
2187	else
2188	{
2189	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 0 ) );
2190	for ( i=0; i<uiCode-1; i++ )
2191	{
2192	m_pcBinIf->encodeBin( 1, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2193	}
2194	m_pcBinIf->encodeBin( 0, m_cSaoUvlcSCModel.get( 0, 0, 1 ) );
2195	}
2196	}
2197
2198	Void TEncSbac::codeSaoSvlc ( Int iCode )
2199	{
2200	Int i;
2201
2202	if ( iCode == 0 )
2203	{
2204	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2205	}
2206	else
2207	{
2208	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 0 ) );
2209
2210	// write sign
2211	if ( iCode > 0 )
2212	{
2213	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2214	}
2215	else
2216	{
2217	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 1 ) );
2218	iCode = -iCode;
2219	}
2220
2221	// write magnitude
2222	for ( i=0; i<iCode-1; i++ )
2223	{
2224	m_pcBinIf->encodeBin( 1, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2225	}
2226	m_pcBinIf->encodeBin( 0, m_cSaoSvlcSCModel.get( 0, 0, 2 ) );
2227	}
2228	}
2229	#if SAO_UNIT_INTERLEAVING
2230	/** Code SAO band position
2231	* \param uiCode
2232	*/
2233	Void TEncSbac::codeSaoUflc ( UInt uiCode )
2234	{
2235	for (Int i=0;i<5;i++)
2236	{
2237	m_pcBinIf->encodeBinEP ( (uiCode>>i) &0x01 );
2238	}
2239	}
2240	/** Code SAO merge left flag
2241	* \param uiCode
2242	* \param uiCompIdx
2243	*/
2244	Void TEncSbac::codeSaoMergeLeft ( UInt uiCode, UInt uiCompIdx )
2245	{
2246	if (uiCode == 0)
2247	{
2248	m_pcBinIf->encodeBin(0, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2249	}
2250	else
2251	{
2252	m_pcBinIf->encodeBin(1, m_cSaoMergeLeftSCModel.get( 0, 0, uiCompIdx ));
2253	}
2254	}
2255	/** Code SAO merge up flag
2256	* \param uiCode
2257	*/
2258	Void TEncSbac::codeSaoMergeUp ( UInt uiCode)
2259	{
2260	if (uiCode == 0)
2261	{
2262	m_pcBinIf->encodeBin(0, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2263	}
2264	else
2265	{
2266	m_pcBinIf->encodeBin(1, m_cSaoMergeUpSCModel.get( 0, 0, 0 ));
2267	}
2268	}
2269	/** Code SAO type index
2270	* \param uiCode
2271	*/
2272	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2273	{
2274	Int i;
2275	if ( uiCode == 0 )
2276	{
2277	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2278	}
2279	else
2280	{
2281	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2282	for ( i=0; i<uiCode-1; i++ )
2283	{
2284	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2285	}
2286	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 1 ) );
2287	}
2288	}
2289	#endif
2290	/*!
2291	****************************************************************************
2292	* \brief
2293	* estimate bit cost for CBP, significant map and significant coefficients
2294	****************************************************************************
2295	*/
2296	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2297	{
2298	estCBFBit( pcEstBitsSbac, 0, eTType );
2299
2300	estSignificantCoeffGroupMapBit( pcEstBitsSbac, 0, eTType );
2301
2302	// encode significance map
2303	estSignificantMapBit( pcEstBitsSbac, width, height, eTType );
2304
2305	// encode significant coefficients
2306	estSignificantCoefficientsBit( pcEstBitsSbac, 0, eTType );
2307	}
2308
2309	/*!
2310	****************************************************************************
2311	* \brief
2312	* estimate bit cost for each CBP bit
2313	****************************************************************************
2314	*/
2315	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2316	{
2317	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2318
2319	for( UInt uiCtxInc = 0; uiCtxInc < 3*NUM_QT_CBF_CTX; uiCtxInc++ )
2320	{
2321	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2322	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2323	}
2324
2325	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2326
2327	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2328	{
2329	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2330	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2331	}
2332	}
2333
2334
2335	/*!
2336	****************************************************************************
2337	* \brief
2338	* estimate SAMBAC bit cost for significant coefficient group map
2339	****************************************************************************
2340	*/
2341	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2342	{
2343	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2344
2345	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2346	{
2347	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2348	{
2349	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, eTType, ctxIdx ).getEntropyBits( uiBin );
2350	}
2351	}
2352	}
2353
2354
2355	/*!
2356	****************************************************************************
2357	* \brief
2358	* estimate SAMBAC bit cost for significant coefficient map
2359	****************************************************************************
2360	*/
2361	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType )
2362	{
2363	Int firstCtx = 0, numCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2364	if (std::max(width, height) >= 16)
2365	{
2366	firstCtx = (eTType == TEXT_LUMA) ? 20 : 17;
2367	numCtx = (eTType == TEXT_LUMA) ? 7 : 4;
2368	}
2369	else if (width == 8)
2370	{
2371	firstCtx = (eTType == TEXT_LUMA) ? 9 : 6;
2372	numCtx = 11;
2373	}
2374
2375	if (eTType == TEXT_LUMA )
2376	{
2377	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2378	{
2379	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2380	{
2381	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, ctxIdx ).getEntropyBits( uiBin );
2382	}
2383	}
2384	}
2385	else
2386	{
2387	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2388	{
2389	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2390	{
2391	pcEstBitsSbac->significantBits[ ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, NUM_SIG_FLAG_CTX_LUMA + ctxIdx ).getEntropyBits( uiBin );
2392	}
2393	}
2394	}
2395	Int iBitsX = 0, iBitsY = 0;
2396	const UInt *puiCtxIdx;
2397	Int ctx;
2398	#if LAST_CTX_REDUCTION
2399	Int widthCtx = eTType? 4 : width;
2400	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ widthCtx ]*(g_aucConvertToBit[ widthCtx ]+3));
2401	#else
2402	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ width ]*(g_aucConvertToBit[ width ]+3));
2403	#endif
2404	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, eTType );
2405	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2406	{
2407	Int ctxOffset = puiCtxIdx[ ctx ];
2408	#if LAST_CTX_REDUCTION
2409	if (eTType)
2410	{
2411	Int ctxOffsetC = ctx>>g_aucConvertToBit[ width ];
2412	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffsetC ].getEntropyBits( 0 );
2413	iBitsX += pCtxX[ ctxOffsetC].getEntropyBits( 1 );
2414	}
2415	else
2416	{
2417	#endif
2418	pcEstBitsSbac->lastXBits[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2419	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2420	#if LAST_CTX_REDUCTION
2421	}
2422	#endif
2423	}
2424	pcEstBitsSbac->lastXBits[ctx] = iBitsX;
2425
2426	#if LAST_CTX_REDUCTION
2427	Int heightCtx = eTType? 4 : height;
2428	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ heightCtx ]*(g_aucConvertToBit[ heightCtx ]+3));
2429	#else
2430	puiCtxIdx = g_uiLastCtx + (g_aucConvertToBit[ height ]*(g_aucConvertToBit[ height ]+3));
2431	#endif
2432	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, eTType );
2433	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2434	{
2435	Int ctxOffset = puiCtxIdx[ ctx ];
2436	#if LAST_CTX_REDUCTION
2437	if (eTType)
2438	{
2439	Int ctxOffsetC = ctx>>g_aucConvertToBit[ height ];
2440	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffsetC ].getEntropyBits( 0 );
2441	iBitsY += pCtxY[ctxOffsetC].getEntropyBits( 1 );
2442	}
2443	else
2444	{
2445	#endif
2446	pcEstBitsSbac->lastYBits[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2447	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2448	#if LAST_CTX_REDUCTION
2449	}
2450	#endif
2451	}
2452	pcEstBitsSbac->lastYBits[ctx] = iBitsY;
2453	}
2454
2455	/*!
2456	****************************************************************************
2457	* \brief
2458	* estimate bit cost of significant coefficient
2459	****************************************************************************
2460	*/
2461	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType )
2462	{
2463	if (eTType==TEXT_LUMA)
2464	{
2465	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2466	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2467
2468	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_LUMA; ctxIdx++)
2469	{
2470	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2471	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2472	}
2473
2474	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_LUMA; ctxIdx++)
2475	{
2476	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2477	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2478	}
2479	}
2480	else
2481	{
2482	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0) + NUM_ONE_FLAG_CTX_LUMA;
2483	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0) + NUM_ABS_FLAG_CTX_LUMA;
2484
2485	for (Int ctxIdx = 0; ctxIdx < NUM_ONE_FLAG_CTX_CHROMA; ctxIdx++)
2486	{
2487	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2488	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2489	}
2490
2491	for (Int ctxIdx = 0; ctxIdx < NUM_ABS_FLAG_CTX_CHROMA; ctxIdx++)
2492	{
2493	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2494	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2495	}
2496	}
2497	}
2498
2499	/**
2500	- Initialize our context information from the nominated source.
2501	.
2502	\param pSrc From where to copy context information.
2503	*/
2504	Void TEncSbac::xCopyContextsFrom( TEncSbac* pSrc )
2505	{
2506	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2507	}
2508
2509	Void TEncSbac::loadContexts ( TEncSbac* pScr)
2510	{
2511	this->xCopyContextsFrom(pScr);
2512	}
2513
2514	#if HHI_DMM_WEDGE_INTRA \|\| HHI_DMM_PRED_TEX \|\| (LGE_EDGE_INTRA && LGE_EDGE_INTRA_DELTA_DC)
2515	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
2516	{
2517	if( uiSymbol )
2518	{
2519	m_pcBinIf->encodeBin( 1, rcSCModel );
2520	UInt uiCount = 0;
2521	Bool bNoExGo = (uiSymbol < 13);
2522
2523	while( --uiSymbol && ++uiCount < 13 )
2524	{
2525	m_pcBinIf->encodeBin( 1, rcSCModel );
2526	}
2527	if( bNoExGo )
2528	{
2529	m_pcBinIf->encodeBin( 0, rcSCModel );
2530	}
2531	else
2532	{
2533	xWriteEpExGolomb( uiSymbol, 0 );
2534	}
2535	}
2536	else
2537	{
2538	m_pcBinIf->encodeBin( 0, rcSCModel );
2539	}
2540
2541	return;
2542	}
2543	#endif
2544	#if HHI_DMM_WEDGE_INTRA
2545	Void TEncSbac::xCodeWedgeFullInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2546	{
2547	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2548	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2549
2550	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2551
2552	for ( Int i = 0; i < iBits; i++ )
2553	{
2554	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2555	}
2556	}
2557
2558	Void TEncSbac::xCodeWedgeFullDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2559	{
2560	Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx);
2561	Int iBits = g_aucWedgeFullBitsListIdx[iIntraIdx];
2562
2563	UInt uiTabIdx = pcCU->getWedgeFullTabIdx( uiAbsPartIdx );
2564
2565	for ( Int i = 0; i < iBits; i++ )
2566	{
2567	m_pcBinIf->encodeBin( ( uiTabIdx >> i ) & 1, m_cDmmDataSCModel.get(0, 0, 0) );
2568	}
2569
2570	Int iDeltaDC1 = pcCU->getWedgeFullDeltaDC1( uiAbsPartIdx );
2571	Int iDeltaDC2 = pcCU->getWedgeFullDeltaDC2( uiAbsPartIdx );
2572
2573	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2574	if ( iDeltaDC1 != 0 )
2575	{
2576	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2577	m_pcBinIf->encodeBinEP( uiSign );
2578	}
2579	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2580	if ( iDeltaDC2 != 0 )
2581	{
2582	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2583	m_pcBinIf->encodeBinEP( uiSign );
2584	}
2585	}
2586
2587	Void TEncSbac::xCodeWedgePredDirInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2588	{
2589	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2590	{
2591	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2592	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2593
2594	if( iDeltaEnd != 0 )
2595	{
2596	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2597	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2598	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2599
2600	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2601	m_pcBinIf->encodeBinEP( uiSign );
2602	}
2603	}
2604	}
2605
2606	Void TEncSbac::xCodeWedgePredDirDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2607	{
2608	if( DMM_WEDGE_PREDDIR_DELTAEND_MAX > 0 )
2609	{
2610	Int iDeltaEnd = pcCU->getWedgePredDirDeltaEnd( uiAbsPartIdx );
2611	m_pcBinIf->encodeBin( (iDeltaEnd!=0), m_cDmmDataSCModel.get(0, 0, 2) );
2612
2613	if( iDeltaEnd != 0 )
2614	{
2615	UInt uiAbsValMinus1 = abs(iDeltaEnd)-1;
2616	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x01), m_cDmmDataSCModel.get(0, 0, 2) );
2617	m_pcBinIf->encodeBin( (uiAbsValMinus1 & 0x02) >> 1, m_cDmmDataSCModel.get(0, 0, 2) );
2618
2619	UInt uiSign = iDeltaEnd > 0 ? 0 : 1;
2620	m_pcBinIf->encodeBinEP( uiSign );
2621	}
2622	}
2623
2624	Int iDeltaDC1 = pcCU->getWedgePredDirDeltaDC1( uiAbsPartIdx );
2625	Int iDeltaDC2 = pcCU->getWedgePredDirDeltaDC2( uiAbsPartIdx );
2626
2627	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2628	if ( iDeltaDC1 != 0 )
2629	{
2630	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2631	m_pcBinIf->encodeBinEP( uiSign );
2632	}
2633	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2634	if ( iDeltaDC2 != 0 )
2635	{
2636	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2637	m_pcBinIf->encodeBinEP( uiSign );
2638	}
2639	}
2640	#endif
2641	#if HHI_DMM_PRED_TEX
2642	Void TEncSbac::xCodeWedgePredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2643	{
2644	Int iDeltaDC1 = pcCU->getWedgePredTexDeltaDC1( uiAbsPartIdx );
2645	Int iDeltaDC2 = pcCU->getWedgePredTexDeltaDC2( uiAbsPartIdx );
2646
2647	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2648	if ( iDeltaDC1 != 0 )
2649	{
2650	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2651	m_pcBinIf->encodeBinEP( uiSign );
2652	}
2653	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2654	if ( iDeltaDC2 != 0 )
2655	{
2656	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2657	m_pcBinIf->encodeBinEP( uiSign );
2658	}
2659	}
2660
2661	Void TEncSbac::xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
2662	{
2663	Int iDeltaDC1 = pcCU->getContourPredTexDeltaDC1( uiAbsPartIdx );
2664	Int iDeltaDC2 = pcCU->getContourPredTexDeltaDC2( uiAbsPartIdx );
2665
2666	xWriteExGolombLevel( UInt( abs( iDeltaDC1 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2667	if ( iDeltaDC1 != 0 )
2668	{
2669	UInt uiSign = iDeltaDC1 > 0 ? 0 : 1;
2670	m_pcBinIf->encodeBinEP( uiSign );
2671	}
2672	xWriteExGolombLevel( UInt( abs( iDeltaDC2 ) ), m_cDmmDataSCModel.get(0, 0, 1) );
2673	if ( iDeltaDC2 != 0 )
2674	{
2675	UInt uiSign = iDeltaDC2 > 0 ? 0 : 1;
2676	m_pcBinIf->encodeBinEP( uiSign );
2677	}
2678	}
2679	#endif
2680	//! \}

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source: 3DVCSoftware/branches/HTM-4.1-dev2-LG/source/Lib/TLibEncoder/TEncSbac.cpp @ 157

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