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TEncSbac.cpp @ 1258

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Last change on this file since 1258 was 1258, checked in by mediatek-htm, 9 years ago

The reactivation of depth intra skip mode (DIS), the MACRO is "NH_3D_DIS".

by Yi-Wen Chen (yiwen.chen@…)

Property svn:eol-style set to native

File size: 90.7 KB

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1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2015, 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	#include "TLibCommon/TComTU.h"
41
42	#include <map>
43	#include <algorithm>
44
45	#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
46	#include "../TLibCommon/Debug.h"
47	#endif
48
49
50	//! \ingroup TLibEncoder
51	//! \{
52
53	// ====================================================================================================================
54	// Constructor / destructor / create / destroy
55	// ====================================================================================================================
56
57	TEncSbac::TEncSbac()
58	// new structure here
59	: m_pcBitIf ( NULL )
60	, m_pcBinIf ( NULL )
61	, m_numContextModels ( 0 )
62	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
63	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#if NH_3D_DIS
65	, m_cCUDISFlagSCModel ( 1, 1, NUM_DIS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66	, m_cCUDISTypeSCModel ( 1, 1, NUM_DIS_TYPE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#endif
68	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	#if H_3D_ARP
71	, m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	#endif
73	#if H_3D_IC
74	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	#endif
76	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUIntraPredSCModel ( 1, 1, NUM_INTRA_PREDICT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUQtCbfSCModel ( 1, NUM_QT_CBF_CTX_SETS, NUM_QT_CBF_CTX_PER_SET , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cCuCtxLastX ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_cCuCtxLastY ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
91	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cTransformSkipSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_CUTransquantBypassFlagSCModel ( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	, m_explicitRdpcmFlagSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	, m_explicitRdpcmDirSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cCrossComponentPredictionSCModel ( 1, 1, NUM_CROSS_COMPONENT_PREDICTION_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_ChromaQpAdjFlagSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	, m_ChromaQpAdjIdcSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_IDC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
103
104	#if NH_3D_DMM
105	, m_cNotDmmFlagSCModel ( 1, 1, NUM_NOTDMM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	, m_cDmmModeSCModel ( 1, 1, NUM_DMM_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	#endif
108	#if NH_3D_DMM \|\| NH_3D_SDC_INTRA
109	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	#endif
111	#if NH_3D_SDC_INTRA
112	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
113	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
114	, m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
115	, m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
116	#endif
117	#if H_3D_DBBP
118	, m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
119	#endif
120	{
121	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
122	}
123
124	TEncSbac::~TEncSbac()
125	{
126	}
127
128	// ====================================================================================================================
129	// Public member functions
130	// ====================================================================================================================
131
132	Void TEncSbac::resetEntropy (const TComSlice *pSlice)
133	{
134	Int iQp = pSlice->getSliceQp();
135	SliceType eSliceType = pSlice->getSliceType();
136
137	SliceType encCABACTableIdx = pSlice->getEncCABACTableIdx();
138	if (!pSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && pSlice->getPPS()->getCabacInitPresentFlag())
139	{
140	eSliceType = encCABACTableIdx;
141	}
142
143	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
144	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
145	#if NH_3D_DIS
146	m_cCUDISFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_FLAG );
147	m_cCUDISTypeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_TYPE );
148	#endif
149	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
150	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
151	#if H_3D_ARP
152	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
153	#endif
154	#if H_3D_IC
155	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
156	#endif
157	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
158	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
159	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
160	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
161	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
162	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
163	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
164	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
165	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
166	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
167	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
168	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
169	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
170	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
171	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
172	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
173	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
174	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
175	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
176	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
177	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
178	m_CUTransquantBypassFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
179	m_explicitRdpcmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG);
180	m_explicitRdpcmDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EXPLICIT_RDPCM_DIR);
181	m_cCrossComponentPredictionSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CROSS_COMPONENT_PREDICTION );
182	m_ChromaQpAdjFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG );
183	m_ChromaQpAdjIdcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_QP_ADJ_IDC );
184
185	#if NH_3D_DMM
186	m_cNotDmmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_NOTDMM_FLAG );
187	m_cDmmModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DMM_MODE );
188	#endif
189	#if NH_3D_DMM \|\| NH_3D_SDC_INTRA
190	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
191	#endif
192	#if NH_3D_SDC_INTRA
193	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
194	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
195	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
196	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
197	#endif
198	#if H_3D_DBBP
199	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
200	#endif
201
202	for (UInt statisticIndex = 0; statisticIndex < RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS ; statisticIndex++)
203	{
204	m_golombRiceAdaptationStatistics[statisticIndex] = 0;
205	}
206
207	m_pcBinIf->start();
208
209	return;
210	}
211
212	/** The function does the following:
213	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
214	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
215	*/
216	SliceType TEncSbac::determineCabacInitIdx(const TComSlice *pSlice)
217	{
218	Int qp = pSlice->getSliceQp();
219
220	if (!pSlice->isIntra())
221	{
222	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
223
224	UInt bestCost = MAX_UINT;
225	SliceType bestSliceType = aSliceTypeChoices[0];
226	for (UInt idx=0; idx<2; idx++)
227	{
228	UInt curCost = 0;
229	SliceType curSliceType = aSliceTypeChoices[idx];
230
231	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
232	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
233	#if NH_3D_DIS
234	curCost += m_cCUDISFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DIS_FLAG );
235	curCost += m_cCUDISTypeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DIS_TYPE );
236	#endif
237	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
238	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
239	#if H_3D_ARP
240	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
241	#endif
242	#if H_3D_IC
243	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
244	#endif
245	#if NH_3D_SDC_INTRA
246	curCost += m_cSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SDC_FLAG );
247	#endif
248	#if H_3D_DBBP
249	curCost += m_cDBBPFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DBBP_FLAG );
250	#endif
251	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
252	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
253	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
254	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
255	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
256	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
257	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
258	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
259	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
260	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
261	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
262	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
263	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
264	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
265	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
266	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
267	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
268	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
269	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
270	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
271	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
272	curCost += m_CUTransquantBypassFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
273	curCost += m_explicitRdpcmFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG);
274	curCost += m_explicitRdpcmDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_DIR);
275	curCost += m_cCrossComponentPredictionSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CROSS_COMPONENT_PREDICTION );
276	curCost += m_ChromaQpAdjFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG );
277	curCost += m_ChromaQpAdjIdcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_IDC );
278	#if NH_3D_DMM
279	curCost += m_cNotDmmFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_NOTDMM_FLAG );
280	curCost += m_cDmmModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DMM_MODE );
281	#endif
282	#if NH_3D_DMM \|\| NH_3D_SDC_INTRA
283	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
284	#endif
285
286	if (curCost < bestCost)
287	{
288	bestSliceType = curSliceType;
289	bestCost = curCost;
290	}
291	}
292	return bestSliceType;
293	}
294	else
295	{
296	return I_SLICE;
297	}
298	}
299	#if H_3D_ARP
300	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
301	#endif
302	#if H_3D_IC
303	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
304	#endif
305	#if H_3D_DBBP
306	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
307	#endif
308
309
310	Void TEncSbac::codeVPS( const TComVPS* /pcVPS/ )
311	{
312	assert (0);
313	return;
314	}
315
316	Void TEncSbac::codeSPS( const TComSPS* /pcSPS/ )
317	{
318	assert (0);
319	return;
320	}
321
322	Void TEncSbac::codePPS( const TComPPS* /pcPPS/ )
323	{
324	assert (0);
325	return;
326	}
327
328	Void TEncSbac::codeSliceHeader( TComSlice* /pcSlice/ )
329	{
330	assert (0);
331	return;
332	}
333
334	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* /pSlice/ )
335	{
336	assert (0);
337	return;
338	}
339
340	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
341	{
342	m_pcBinIf->encodeBinTrm( uilsLast );
343	}
344
345	Void TEncSbac::codeSliceFinish()
346	{
347	m_pcBinIf->finish();
348	}
349
350	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
351	{
352	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
353
354	if( 0 == uiSymbol)
355	{
356	return;
357	}
358
359	while( uiSymbol-- )
360	{
361	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
362	}
363
364	return;
365	}
366
367	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
368	{
369	if (uiMaxSymbol == 0)
370	{
371	return;
372	}
373
374	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
375
376	if ( uiSymbol == 0 )
377	{
378	return;
379	}
380
381	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
382
383	while( --uiSymbol )
384	{
385	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
386	}
387	if( bCodeLast )
388	{
389	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
390	}
391
392	return;
393	}
394
395	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
396	{
397	UInt bins = 0;
398	Int numBins = 0;
399
400	while( uiSymbol >= (UInt)(1<<uiCount) )
401	{
402	bins = 2 * bins + 1;
403	numBins++;
404	uiSymbol -= 1 << uiCount;
405	uiCount ++;
406	}
407	bins = 2 * bins + 0;
408	numBins++;
409
410	bins = (bins << uiCount) \| uiSymbol;
411	numBins += uiCount;
412
413	assert( numBins <= 32 );
414	m_pcBinIf->encodeBinsEP( bins, numBins );
415	}
416
417	#if NH_3D_DIS
418	Void TEncSbac::codeDIS( TComDataCU* pcCU, UInt uiAbsPartIdx )
419	{
420	UInt uiSymbol = pcCU->getDISFlag(uiAbsPartIdx ) ? 1 : 0;
421	m_pcBinIf->encodeBin( uiSymbol, m_cCUDISFlagSCModel.get( 0, 0, 0 ) );
422	if(uiSymbol)
423	{
424	UInt uiUnaryIdx = (UInt) pcCU->getDISType(uiAbsPartIdx);
425	UInt uiNumCand = 4;
426
427	if ( uiNumCand > 1 )
428	{
429	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
430	{
431	const UInt uiSymbol2 = ui == uiUnaryIdx ? 0 : 1;
432	if ( ui == 0 )
433	{
434	m_pcBinIf->encodeBin( uiSymbol2, m_cCUDISTypeSCModel.get( 0, 0, 0 ) );
435	}
436	else
437	{
438	m_pcBinIf->encodeBinEP( uiSymbol2 );
439	}
440	if( uiSymbol2 == 0 )
441	{
442	break;
443	}
444	}
445	}
446	}
447	}
448	#endif
449
450
451	/** Coding of coeff_abs_level_minus3
452	* \param symbol value of coeff_abs_level_minus3
453	* \param rParam reference to Rice parameter
454	* \param useLimitedPrefixLength
455	* \param maxLog2TrDynamicRange
456	*/
457	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange )
458	{
459	Int codeNumber = (Int)symbol;
460	UInt length;
461
462	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
463	{
464	length = codeNumber>>rParam;
465	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
466	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
467	}
468	else if (useLimitedPrefixLength)
469	{
470	const UInt maximumPrefixLength = (32 - (COEF_REMAIN_BIN_REDUCTION + maxLog2TrDynamicRange));
471
472	UInt prefixLength = 0;
473	UInt suffixLength = MAX_UINT;
474	UInt codeValue = (symbol >> rParam) - COEF_REMAIN_BIN_REDUCTION;
475
476	if (codeValue >= ((1 << maximumPrefixLength) - 1))
477	{
478	prefixLength = maximumPrefixLength;
479	suffixLength = maxLog2TrDynamicRange - rParam;
480	}
481	else
482	{
483	while (codeValue > ((2 << prefixLength) - 2))
484	{
485	prefixLength++;
486	}
487
488	suffixLength = prefixLength + 1; //+1 for the separator bit
489	}
490
491	const UInt suffix = codeValue - ((1 << prefixLength) - 1);
492
493	const UInt totalPrefixLength = prefixLength + COEF_REMAIN_BIN_REDUCTION;
494	const UInt prefix = (1 << totalPrefixLength) - 1;
495	const UInt rParamBitMask = (1 << rParam) - 1;
496
497	m_pcBinIf->encodeBinsEP( prefix, totalPrefixLength ); //prefix
498	m_pcBinIf->encodeBinsEP(((suffix << rParam) \| (symbol & rParamBitMask)), (suffixLength + rParam)); //separator, suffix, and rParam bits
499	}
500	else
501	{
502	length = rParam;
503	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
504
505	while (codeNumber >= (1<<length))
506	{
507	codeNumber -= (1<<(length++));
508	}
509
510	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
511	m_pcBinIf->encodeBinsEP(codeNumber,length);
512	}
513	}
514	// SBAC RD
515	Void TEncSbac::load ( const TEncSbac* pSrc)
516	{
517	this->xCopyFrom(pSrc);
518	}
519
520	Void TEncSbac::loadIntraDirMode( const TEncSbac* pSrc, const ChannelType chType )
521	{
522	m_pcBinIf->copyState( pSrc->m_pcBinIf );
523	if (isLuma(chType))
524	{
525	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
526	}
527	else
528	{
529	this->m_cCUChromaPredSCModel .copyFrom( &pSrc->m_cCUChromaPredSCModel );
530	}
531	}
532
533	#if NH_3D_DMM
534	Void TEncSbac::loadIntraDepthDmm( const TEncSbac* pSrc )
535	{
536	m_pcBinIf->copyState( pSrc->m_pcBinIf );
537	this->m_cNotDmmFlagSCModel.copyFrom( &pSrc->m_cNotDmmFlagSCModel );
538	this->m_cDmmModeSCModel .copyFrom( &pSrc->m_cDmmModeSCModel );
539	}
540	#endif
541
542
543	Void TEncSbac::store( TEncSbac* pDest) const
544	{
545	pDest->xCopyFrom( this );
546	}
547
548
549	Void TEncSbac::xCopyFrom( const TEncSbac* pSrc )
550	{
551	m_pcBinIf->copyState( pSrc->m_pcBinIf );
552	xCopyContextsFrom(pSrc);
553	}
554
555	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
556	{
557	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
558	Int iNum = AMVP_MAX_NUM_CANDS;
559
560	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
561	#if H_MV_ENC_DEC_TRAC
562	#if ENC_DEC_TRACE
563	if ( eRefList == REF_PIC_LIST_0 )
564	{
565	DTRACE_PU("mvp_l0_flag", iSymbol)
566	}
567	else
568	{
569	DTRACE_PU("mvp_l1_flag", iSymbol)
570	}
571	#endif
572	#endif
573	}
574
575	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
576	{
577	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
578	#if H_3D_QTLPC
579	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
580	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
581	Bool bDepthMapDetect = (pcTexture != NULL);
582	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
583
584	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
585
586	Bool depthDependent = false;
587	UInt uiTexturePart = eSize;
588
589	#if H_3D_FCO
590	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark())
591	#else
592	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
593	#endif
594	{
595	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
596	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
597	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
598	if(pcTextureCU->getDepth(uiCUIdx) == uiDepth )
599	{
600	depthDependent = true;
601	uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx );
602	}
603	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N)
604	{
605	assert( eSize == SIZE_2Nx2N );
606	return;
607	}
608	}
609	#endif
610	const UInt log2DiffMaxMinCodingBlockSize = pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize();
611
612	if ( pcCU->isIntra( uiAbsPartIdx ) )
613	{
614	if( uiDepth == log2DiffMaxMinCodingBlockSize )
615	{
616	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
617	#if H_MV_ENC_DEC_TRAC
618	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
619	#endif
620
621	}
622	return;
623	}
624	#if H_MV_ENC_DEC_TRAC
625	DTRACE_CU("part_mode", eSize )
626	#endif
627	#if H_3D_QTLPC
628	if (depthDependent==false \|\| uiTexturePart == SIZE_NxN\|\| uiTexturePart == SIZE_2Nx2N)
629	{
630	#endif
631
632	switch(eSize)
633	{
634	case SIZE_2Nx2N:
635	{
636	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
637	break;
638	}
639	case SIZE_2NxN:
640	case SIZE_2NxnU:
641	case SIZE_2NxnD:
642	{
643	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
644	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
645	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
646	{
647	if (eSize == SIZE_2NxN)
648	{
649	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
650	}
651	else
652	{
653	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
654	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
655	}
656	}
657	break;
658	}
659	case SIZE_Nx2N:
660	case SIZE_nLx2N:
661	case SIZE_nRx2N:
662	{
663	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
664	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
665
666	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
667	{
668	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
669	}
670
671	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
672	{
673	if (eSize == SIZE_Nx2N)
674	{
675	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
676	}
677	else
678	{
679	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
680	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
681	}
682	}
683	break;
684	}
685	case SIZE_NxN:
686	{
687	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
688	{
689	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
690	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
691	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
692	}
693	break;
694	}
695	default:
696	{
697	assert(0);
698	break;
699	}
700	}
701	#if H_3D_QTLPC
702	}
703	else if(uiTexturePart == SIZE_2NxN \|\| uiTexturePart == SIZE_2NxnU \|\| uiTexturePart == SIZE_2NxnD)
704	{
705	//assert(eSize!=SIZE_NxN);
706	//assert(eSize!=SIZE_Nx2N);
707	//assert(eSize==SIZE_2Nx2N \|\| eSize==SIZE_2NxN \|\| eSize==SIZE_2NxnU \|\| eSize==SIZE_2NxnD);
708	switch(eSize)
709	{
710	case SIZE_2Nx2N:
711	{
712	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
713	break;
714	}
715	case SIZE_2NxN:
716	{
717	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
718	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
719	{
720	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
721	}
722	break;
723	}
724	case SIZE_2NxnU:
725	case SIZE_2NxnD:
726	{
727	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
728	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
729	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
730	break;
731	}
732	default:
733	{
734	assert(0);
735	}
736	}
737	}
738	else if(uiTexturePart == SIZE_Nx2N\|\| uiTexturePart==SIZE_nLx2N \|\| uiTexturePart==SIZE_nRx2N)
739	{
740	//assert(eSize!=SIZE_NxN);
741	//assert(eSize!=SIZE_2NxN);
742	//assert(eSize==SIZE_2Nx2N \|\|eSize==SIZE_Nx2N \|\| eSize==SIZE_nLx2N \|\| eSize==SIZE_nRx2N);
743	switch(eSize)
744	{
745	case SIZE_2Nx2N:
746	{
747	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
748	break;
749	}
750	case SIZE_Nx2N:
751	{
752	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
753	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
754	{
755	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
756	}
757	break;
758	}
759	case SIZE_nLx2N:
760	case SIZE_nRx2N:
761	{
762	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
763	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
764	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
765	break;
766	}
767	default:
768	{
769	assert(0);
770	}
771	}
772	}
773	else
774	{
775	printf("uiTexturePart=%d",uiTexturePart);
776	assert(0);
777	}
778	#endif
779
780	}
781
782
783	/** code prediction mode
784	* \param pcCU
785	* \param uiAbsPartIdx
786	* \returns Void
787	*/
788	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
789	{
790	// get context function is here
791	m_pcBinIf->encodeBin( pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
792	#if H_MV_ENC_DEC_TRAC
793	DTRACE_CU("pred_mode_flag", pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0);
794	#endif
795
796	}
797
798	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
799	{
800	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
801	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
802	#if H_MV_ENC_DEC_TRAC
803	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
804	#endif
805
806	}
807
808	/** code skip flag
809	* \param pcCU
810	* \param uiAbsPartIdx
811	* \returns Void
812	*/
813	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
814	{
815	// get context function is here
816	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
817	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
818	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
819	#if !H_MV_ENC_DEC_TRAC
820	DTRACE_CABAC_VL( g_nSymbolCounter++ );
821	DTRACE_CABAC_T( "\tSkipFlag" );
822	DTRACE_CABAC_T( "\tuiCtxSkip: ");
823	DTRACE_CABAC_V( uiCtxSkip );
824	DTRACE_CABAC_T( "\tuiSymbol: ");
825	DTRACE_CABAC_V( uiSymbol );
826	DTRACE_CABAC_T( "\n");
827	#else
828	DTRACE_CU("cu_skip_flag", uiSymbol);
829	#endif
830	}
831
832	/** code merge flag
833	* \param pcCU
834	* \param uiAbsPartIdx
835	* \returns Void
836	*/
837	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
838	{
839	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
840	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
841
842	#if H_MV_ENC_DEC_TRAC
843	DTRACE_PU("merge_flag", uiSymbol);
844	#else
845	DTRACE_CABAC_VL( g_nSymbolCounter++ );
846	DTRACE_CABAC_T( "\tMergeFlag: " );
847	DTRACE_CABAC_V( uiSymbol );
848	DTRACE_CABAC_T( "\tAddress: " );
849	DTRACE_CABAC_V( pcCU->getCtuRsAddr() );
850	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
851	DTRACE_CABAC_V( uiAbsPartIdx );
852	DTRACE_CABAC_T( "\n" );
853	#endif
854	}
855
856	/** code merge index
857	* \param pcCU
858	* \param uiAbsPartIdx
859	* \returns Void
860	*/
861	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
862	{
863	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
864	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
865	if ( uiNumCand > 1 )
866	{
867	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
868	{
869	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
870	if ( ui==0 )
871	{
872	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
873	}
874	else
875	{
876	m_pcBinIf->encodeBinEP( uiSymbol );
877	}
878	if( uiSymbol == 0 )
879	{
880	break;
881	}
882	}
883	#if H_MV_ENC_DEC_TRAC
884	DTRACE_PU("merge_idx", uiUnaryIdx);
885	#endif
886	}
887	#if !H_MV_ENC_DEC_TRAC
888	DTRACE_CABAC_VL( g_nSymbolCounter++ );
889	DTRACE_CABAC_T( "\tparseMergeIndex()" );
890	DTRACE_CABAC_T( "\tuiMRGIdx= " );
891	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
892	DTRACE_CABAC_T( "\n" );
893	#endif
894	}
895
896	#if H_3D_ARP
897	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
898	{
899	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
900	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
901	assert( iMaxW > 0);
902
903	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
904	Int nBinNum = iW + ( iW != iMaxW );
905	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
906	if( nBinNum > 1 )
907	{
908	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) );
909	}
910	#if H_MV_ENC_DEC_TRAC
911	DTRACE_CU("iv_res_pred_weight_idx", iW);
912	#endif
913	}
914	#endif
915
916	#if H_3D_IC
917	/** code Illumination Compensation flag
918	* \param pcCU
919	* \param uiAbsPartIdx
920	* \returns Void
921	*/
922	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
923	{
924	// get context function is here
925	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
926	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) );
927	#if !H_MV_ENC_DEC_TRAC
928	DTRACE_CABAC_VL( g_nSymbolCounter++ );
929	DTRACE_CABAC_T( "\tICFlag" );
930	DTRACE_CABAC_T( "\tuiSymbol: ");
931	DTRACE_CABAC_V( uiSymbol );
932	DTRACE_CABAC_T( "\n");
933	#else
934	DTRACE_CU("ic_flag", uiSymbol );
935	#endif
936	}
937	#endif
938
939
940	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
941	{
942	if( uiDepth == pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize() )
943	{
944	return;
945	}
946
947	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
948	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
949
950	assert( uiCtx < 3 );
951	#if H_3D_QTLPC
952	Bool bCodeSplitFlag = true;
953
954
955	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
956	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
957	Bool bDepthMapDetect = (pcTexture != NULL);
958	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
959
960	Bool rapPic = (pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP \|\| pcCU->getSlice()->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA);
961
962	#if H_3D_FCO
963	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark() )
964	#else
965	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
966	#endif
967	{
968	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
969	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
970	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
971	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
972	}
973
974	if(!bCodeSplitFlag)
975	{
976	assert(uiCurrSplitFlag == 0);
977	return;
978	}
979	#endif
980
981	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
982	#if !H_MV_ENC_DEC_TRAC
983	DTRACE_CABAC_VL( g_nSymbolCounter++ )
984	DTRACE_CABAC_T( "\tSplitFlag\n" )
985	#else
986	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
987	#endif
988	return;
989	}
990
991	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
992	{
993	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
994	#if !H_MV_ENC_DEC_TRAC
995	DTRACE_CABAC_VL( g_nSymbolCounter++ )
996	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
997	DTRACE_CABAC_T( "\tsymbol=" )
998	DTRACE_CABAC_V( uiSymbol )
999	DTRACE_CABAC_T( "\tctx=" )
1000	DTRACE_CABAC_V( uiCtx )
1001	DTRACE_CABAC_T( "\n" )
1002	#else
1003	DTRACE_TU("split_transform_flag", uiSymbol )
1004	#endif
1005
1006	}
1007
1008
1009	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1010	{
1011	UInt dir[4],j;
1012	Int preds[4][NUM_MOST_PROBABLE_MODES] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1013	Int predIdx[4] ={ -1,-1,-1,-1};
1014	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1015	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1016	UInt partOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1017	for (j=0;j<partNum;j++)
1018	{
1019	dir[j] = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j );
1020	#if NH_3D_DMM
1021	if( pcCU->getSlice()->getIntraSdcWedgeFlag() \|\| pcCU->getSlice()->getIntraContourFlag() )
1022	{
1023	xCodeIntraDepthMode( pcCU, absPartIdx+partOffset*j );
1024	xCodeDmmData ( pcCU, absPartIdx+partOffset*j );
1025	}
1026	if( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1027	{
1028	#endif
1029	pcCU->getIntraDirPredictor(absPartIdx+partOffset*j, preds[j], COMPONENT_Y);
1030	for(UInt i = 0; i < NUM_MOST_PROBABLE_MODES; i++)
1031	{
1032	if(dir[j] == preds[j][i])
1033	{
1034	predIdx[j] = i;
1035	}
1036	}
1037	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1038	#if H_MV_ENC_DEC_TRAC
1039	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1040	#endif
1041	#if NH_3D_DMM
1042	}
1043	#endif
1044
1045	}
1046	for (j=0;j<partNum;j++)
1047	{
1048	#if NH_3D_DMM
1049	if( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1050	{
1051	#endif
1052	if(predIdx[j] != -1)
1053	{
1054	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1055	if (predIdx[j])
1056	{
1057	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1058	}
1059	#if H_MV_ENC_DEC_TRAC
1060	DTRACE_CU("mpm_idx", predIdx[j] );
1061	#endif
1062	}
1063	else
1064	{
1065	if (preds[j][0] > preds[j][1])
1066	{
1067	std::swap(preds[j][0], preds[j][1]);
1068	}
1069	if (preds[j][0] > preds[j][2])
1070	{
1071	std::swap(preds[j][0], preds[j][2]);
1072	}
1073	if (preds[j][1] > preds[j][2])
1074	{
1075	std::swap(preds[j][1], preds[j][2]);
1076	}
1077	for(Int i = (Int(NUM_MOST_PROBABLE_MODES) - 1); i >= 0; i--)
1078	{
1079	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1080	}
1081	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1082	#if H_MV_ENC_DEC_TRAC
1083	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1084	#endif
1085	}
1086	#if NH_3D_DMM
1087	}
1088	#endif
1089	}
1090	return;
1091	}
1092
1093	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1094	{
1095	UInt uiIntraDirChroma = pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx );
1096
1097	if( uiIntraDirChroma == DM_CHROMA_IDX )
1098	{
1099	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1100	#if H_MV_ENC_DEC_TRAC
1101	DTRACE_CU("intra_chroma_pred_mode", 0 );
1102	#endif
1103	}
1104	else
1105	{
1106	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1107
1108	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1109	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1110
1111	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1112	{
1113	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1114	{
1115	uiIntraDirChroma = i;
1116	break;
1117	}
1118	}
1119
1120	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1121	#if H_MV_ENC_DEC_TRAC
1122	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1123	#endif
1124
1125	}
1126
1127	return;
1128	}
1129
1130	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1131	{
1132	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1133	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1134	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1135
1136	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1137	{
1138	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1139	}
1140
1141	if (uiInterDir < 2)
1142	{
1143	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1144	}
1145	#if H_MV_ENC_DEC_TRAC
1146	DTRACE_PU("inter_pred_idc", uiInterDir );
1147	#endif
1148
1149	return;
1150	}
1151
1152	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1153	{
1154	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1155	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1156	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1157
1158	if( iRefFrame > 0 )
1159	{
1160	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1161	pCtx++;
1162	iRefFrame--;
1163	for( UInt ui = 0; ui < uiRefNum; ++ui )
1164	{
1165	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1166	if( ui == 0 )
1167	{
1168	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1169	}
1170	else
1171	{
1172	m_pcBinIf->encodeBinEP( uiSymbol );
1173	}
1174	if( uiSymbol == 0 )
1175	{
1176	break;
1177	}
1178	}
1179	}
1180	#if H_MV_ENC_DEC_TRAC
1181	#if ENC_DEC_TRACE
1182	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1183	if ( eRefList == REF_PIC_LIST_0 )
1184	{
1185	DTRACE_PU("ref_idx_l0", iRefFrame)
1186	}
1187	else
1188	{
1189	DTRACE_PU("ref_idx_l1", iRefFrame)
1190	}
1191	#endif
1192	#endif
1193	return;
1194	}
1195
1196	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1197	{
1198	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1199	{
1200	return;
1201	}
1202
1203	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1204	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1205	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1206	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1207
1208	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1209	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1210
1211	const Bool bHorAbsGr0 = iHor != 0;
1212	const Bool bVerAbsGr0 = iVer != 0;
1213	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1214	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1215	pCtx++;
1216
1217	if( bHorAbsGr0 )
1218	{
1219	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1220	}
1221
1222	if( bVerAbsGr0 )
1223	{
1224	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1225	}
1226
1227	if( bHorAbsGr0 )
1228	{
1229	if( uiHorAbs > 1 )
1230	{
1231	xWriteEpExGolomb( uiHorAbs-2, 1 );
1232	}
1233
1234	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1235	}
1236
1237	if( bVerAbsGr0 )
1238	{
1239	if( uiVerAbs > 1 )
1240	{
1241	xWriteEpExGolomb( uiVerAbs-2, 1 );
1242	}
1243
1244	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1245	}
1246
1247	return;
1248	}
1249
1250	Void TEncSbac::codeCrossComponentPrediction( TComTU &rTu, ComponentID compID )
1251	{
1252	TComDataCU *pcCU = rTu.getCU();
1253
1254	if( isLuma(compID) \|\| !pcCU->getSlice()->getPPS()->getPpsRangeExtension().getCrossComponentPredictionEnabledFlag() )
1255	{
1256	return;
1257	}
1258
1259	const UInt uiAbsPartIdx = rTu.GetAbsPartIdxTU();
1260
1261	if (!pcCU->isIntra(uiAbsPartIdx) \|\| (pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx ) == DM_CHROMA_IDX))
1262	{
1263	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1264	DTRACE_CABAC_T("\tparseCrossComponentPrediction()")
1265	DTRACE_CABAC_T( "\tAddr=" )
1266	DTRACE_CABAC_V( compID )
1267	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1268	DTRACE_CABAC_V( uiAbsPartIdx )
1269
1270	Int alpha = pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID );
1271	ContextModel *pCtx = m_cCrossComponentPredictionSCModel.get(0, 0) + ((compID == COMPONENT_Cr) ? (NUM_CROSS_COMPONENT_PREDICTION_CTX >> 1) : 0);
1272	m_pcBinIf->encodeBin(((alpha != 0) ? 1 : 0), pCtx[0]);
1273
1274	if (alpha != 0)
1275	{
1276	static const Int log2AbsAlphaMinus1Table[8] = { 0, 1, 1, 2, 2, 2, 3, 3 };
1277	assert(abs(alpha) <= 8);
1278
1279	if (abs(alpha)>1)
1280	{
1281	m_pcBinIf->encodeBin(1, pCtx[1]);
1282	xWriteUnaryMaxSymbol( log2AbsAlphaMinus1Table[abs(alpha) - 1] - 1, (pCtx + 2), 1, 2 );
1283	}
1284	else
1285	{
1286	m_pcBinIf->encodeBin(0, pCtx[1]);
1287	}
1288	m_pcBinIf->encodeBin( ((alpha < 0) ? 1 : 0), pCtx[4] );
1289	}
1290	DTRACE_CABAC_T( "\tAlpha=" )
1291	DTRACE_CABAC_V( pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID ) )
1292	DTRACE_CABAC_T( "\n" )
1293	}
1294	}
1295
1296	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1297	{
1298	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1299
1300	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
1301	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1302
1303	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1304	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1305	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1306	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1307	{
1308	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1309	}
1310
1311	if ( uiAbsDQp > 0)
1312	{
1313	UInt uiSign = (iDQp > 0 ? 0 : 1);
1314	m_pcBinIf->encodeBinEP(uiSign);
1315	}
1316
1317	return;
1318	}
1319
1320	/** code chroma qp adjustment, converting from the internal table representation
1321	* \returns Void
1322	*/
1323	Void TEncSbac::codeChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx )
1324	{
1325	Int internalIdc = cu->getChromaQpAdj( absPartIdx );
1326	Int chromaQpOffsetListLen = cu->getSlice()->getPPS()->getPpsRangeExtension().getChromaQpOffsetListLen();
1327	/* internal_idc == 0 => flag = 0
1328	* internal_idc > 1 => code idc value (if table size warrents) */
1329	m_pcBinIf->encodeBin( internalIdc > 0, m_ChromaQpAdjFlagSCModel.get( 0, 0, 0 ) );
1330
1331	if (internalIdc > 0 && chromaQpOffsetListLen > 1)
1332	{
1333	xWriteUnaryMaxSymbol( internalIdc - 1, &m_ChromaQpAdjIdcSCModel.get( 0, 0, 0 ), 0, chromaQpOffsetListLen - 1 );
1334	}
1335	}
1336
1337	Void TEncSbac::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel )
1338	{
1339	TComDataCU* pcCU = rTu.getCU();
1340
1341	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
1342	const UInt TUDepth = rTu.GetTransformDepthRel();
1343	UInt uiCtx = pcCU->getCtxQtCbf( rTu, toChannelType(compID) );
1344	const UInt contextSet = toChannelType(compID);
1345
1346	const UInt width = rTu.getRect(compID).width;
1347	const UInt height = rTu.getRect(compID).height;
1348	const Bool canQuadSplit = (width >= (MIN_TU_SIZE * 2)) && (height >= (MIN_TU_SIZE * 2));
1349
1350	// Since the CBF for chroma is coded at the highest level possible, if sub-TUs are
1351	// to be coded for a 4x8 chroma TU, their CBFs must be coded at the highest 4x8 level
1352	// (i.e. where luma TUs are 8x8 rather than 4x4)
1353	// ___ ___
1354	// \| \| \| <- 4 x (8x8 luma + 4x8 4:2:2 chroma)
1355	// \|___\|___\| each quadrant has its own chroma CBF
1356	// \| \| \| _ _ _ _
1357	// \|___\|___\| \|
1358	// <--16---> V
1359	// _ _
1360	// \|_\|_\| <- 4 x 4x4 luma + 1 x 4x8 4:2:2 chroma
1361	// \|_\|_\| no chroma CBF is coded - instead the parent CBF is inherited
1362	// <-8-> if sub-TUs are present, their CBFs had to be coded at the parent level
1363
1364	const UInt lowestTUDepth = TUDepth + ((!lowestLevel && !canQuadSplit) ? 1 : 0); //unsplittable TUs inherit their parent's CBF
1365
1366	if ((width != height) && (lowestLevel \|\| !canQuadSplit)) //if sub-TUs are present
1367	{
1368	const UInt subTUDepth = lowestTUDepth + 1; //if this is the lowest level of the TU-tree, the sub-TUs are directly below. Otherwise, this must be the level above the lowest level (as specified above)
1369	const UInt partIdxesPerSubTU = rTu.GetAbsPartIdxNumParts(compID) >> 1;
1370
1371	for (UInt subTU = 0; subTU < 2; subTU++)
1372	{
1373	const UInt subTUAbsPartIdx = absPartIdx + (subTU * partIdxesPerSubTU);
1374	const UInt uiCbf = pcCU->getCbf(subTUAbsPartIdx, compID, subTUDepth);
1375
1376	m_pcBinIf->encodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx));
1377	#if !H_MV_ENC_DEC_TRAC
1378	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1379	DTRACE_CABAC_T( "\tparseQtCbf()" )
1380	DTRACE_CABAC_T( "\tsub-TU=" )
1381	DTRACE_CABAC_V( subTU )
1382	DTRACE_CABAC_T( "\tsymbol=" )
1383	DTRACE_CABAC_V( uiCbf )
1384	DTRACE_CABAC_T( "\tctx=" )
1385	DTRACE_CABAC_V( uiCtx )
1386	DTRACE_CABAC_T( "\tetype=" )
1387	DTRACE_CABAC_V( compID )
1388	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1389	DTRACE_CABAC_V( subTUAbsPartIdx )
1390	DTRACE_CABAC_T( "\n" )
1391	#else
1392	if ( compID == COMPONENT_Cb )
1393	{
1394	DTRACE_TU("cbf_cb", uiCbf )
1395	}
1396	else if ( compID == COMPONENT_Cr )
1397	{
1398	DTRACE_TU("cbf_cr", uiCbf )
1399	}
1400	else
1401	{
1402	DTRACE_TU("cbf_luma", uiCbf )
1403	}
1404	#endif
1405	}
1406	}
1407	else
1408	{
1409	const UInt uiCbf = pcCU->getCbf( absPartIdx, compID, lowestTUDepth );
1410	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, contextSet, uiCtx ) );
1411	#if !H_MV_ENC_DEC_TRAC
1412	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1413	DTRACE_CABAC_T( "\tparseQtCbf()" )
1414	DTRACE_CABAC_T( "\tsymbol=" )
1415	DTRACE_CABAC_V( uiCbf )
1416	DTRACE_CABAC_T( "\tctx=" )
1417	DTRACE_CABAC_V( uiCtx )
1418	DTRACE_CABAC_T( "\tetype=" )
1419	DTRACE_CABAC_V( compID )
1420	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1421	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) )
1422	DTRACE_CABAC_T( "\n" )
1423	#else
1424	if ( compID == COMPONENT_Cb )
1425	{
1426	DTRACE_TU("cbf_cb", uiCbf )
1427	}
1428	else if ( compID == COMPONENT_Cr )
1429	{
1430	DTRACE_TU("cbf_cr", uiCbf )
1431	}
1432	else
1433	{
1434	DTRACE_TU("cbf_luma", uiCbf )
1435	}
1436	#endif
1437
1438	}
1439	}
1440
1441
1442	Void TEncSbac::codeTransformSkipFlags (TComTU &rTu, ComponentID component )
1443	{
1444	TComDataCU* pcCU=rTu.getCU();
1445	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU();
1446
1447	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1448	{
1449	return;
1450	}
1451
1452	if (!TUCompRectHasAssociatedTransformSkipFlag(rTu.getRect(component), pcCU->getSlice()->getPPS()->getPpsRangeExtension().getLog2MaxTransformSkipBlockSize()))
1453	{
1454	return;
1455	}
1456
1457	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,component);
1458	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, toChannelType(component), 0 ) );
1459	#if !H_MV_ENC_DEC_TRAC
1460	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1461	DTRACE_CABAC_T("\tparseTransformSkip()");
1462	DTRACE_CABAC_T( "\tsymbol=" )
1463	DTRACE_CABAC_V( useTransformSkip )
1464	DTRACE_CABAC_T( "\tAddr=" )
1465	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1466	DTRACE_CABAC_T( "\tetype=" )
1467	DTRACE_CABAC_V( component )
1468	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1469	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU() )
1470	DTRACE_CABAC_T( "\n" )
1471	#endif
1472	}
1473
1474
1475	/** Code I_PCM information.
1476	* \param pcCU pointer to CU
1477	* \param uiAbsPartIdx CU index
1478	* \returns Void
1479	*/
1480	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1481	{
1482	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1483
1484	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1485
1486	m_pcBinIf->encodeBinTrm (uiIPCM);
1487	#if H_MV_ENC_DEC_TRAC
1488	DTRACE_CU("pcm_flag", uiIPCM)
1489	#endif
1490	if (writePCMSampleFlag)
1491	{
1492	m_pcBinIf->encodePCMAlignBits();
1493
1494	const UInt minCoeffSizeY = pcCU->getPic()->getMinCUWidth() * pcCU->getPic()->getMinCUHeight();
1495	const UInt offsetY = minCoeffSizeY * uiAbsPartIdx;
1496	for (UInt ch=0; ch < pcCU->getPic()->getNumberValidComponents(); ch++)
1497	{
1498	const ComponentID compID = ComponentID(ch);
1499	const UInt offset = offsetY >> (pcCU->getPic()->getComponentScaleX(compID) + pcCU->getPic()->getComponentScaleY(compID));
1500	Pel * pPCMSample = pcCU->getPCMSample(compID) + offset;
1501	const UInt width = pcCU->getWidth (uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleX(compID);
1502	const UInt height = pcCU->getHeight(uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleY(compID);
1503	const UInt sampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepth(toChannelType(compID));
1504	for (UInt y=0; y<height; y++)
1505	{
1506	for (UInt x=0; x<width; x++)
1507	{
1508	UInt sample = pPCMSample[x];
1509	m_pcBinIf->xWritePCMCode(sample, sampleBits);
1510	}
1511	pPCMSample += width;
1512	}
1513	}
1514	m_pcBinIf->resetBac();
1515	}
1516	}
1517
1518	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1519	{
1520	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1521	UInt uiCtx = 0;
1522	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1523	#if !H_MV_ENC_DEC_TRAC
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	#else
1534	DTRACE_CU( "rqt_root_cbf", uiCbf )
1535	#endif
1536	}
1537
1538	Void TEncSbac::codeQtCbfZero( TComTU & rTu, const ChannelType chType )
1539	{
1540	// this function is only used to estimate the bits when cbf is 0
1541	// and will never be called when writing the bistream. do not need to write log
1542	UInt uiCbf = 0;
1543	UInt uiCtx = rTu.getCU()->getCtxQtCbf( rTu, chType );
1544
1545	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, chType, uiCtx ) );
1546	}
1547
1548	Void TEncSbac::codeQtRootCbfZero( )
1549	{
1550	// this function is only used to estimate the bits when cbf is 0
1551	// and will never be called when writing the bistream. do not need to write log
1552	UInt uiCbf = 0;
1553	UInt uiCtx = 0;
1554	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1555	}
1556
1557	/** Encode (X,Y) position of the last significant coefficient
1558	* \param uiPosX X component of last coefficient
1559	* \param uiPosY Y component of last coefficient
1560	* \param width Block width
1561	* \param height Block height
1562	* \param component chroma component ID
1563	* \param uiScanIdx scan type (zig-zag, hor, ver)
1564	* This method encodes the X and Y component within a block of the last significant coefficient.
1565	*/
1566	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx )
1567	{
1568	// swap
1569	if( uiScanIdx == SCAN_VER )
1570	{
1571	swap( uiPosX, uiPosY );
1572	swap( width, height );
1573	}
1574
1575	UInt uiCtxLast;
1576	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1577	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1578
1579	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, toChannelType(component) );
1580	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, toChannelType(component) );
1581
1582	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1583	getLastSignificantContextParameters(component, width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
1584
1585	//------------------
1586
1587	// posX
1588
1589	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1590	{
1591	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1592	}
1593	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1594	{
1595	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1596	}
1597
1598	// posY
1599
1600	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1601	{
1602	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1603	}
1604	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1605	{
1606	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1607	}
1608
1609	// EP-coded part
1610
1611	if ( uiGroupIdxX > 3 )
1612	{
1613	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1614	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1615	for (Int i = uiCount - 1 ; i >= 0; i-- )
1616	{
1617	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1618	}
1619	}
1620	if ( uiGroupIdxY > 3 )
1621	{
1622	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1623	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1624	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1625	{
1626	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1627	}
1628	}
1629	}
1630
1631
1632	Void TEncSbac::codeCoeffNxN( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID )
1633	{
1634	TComDataCU* pcCU=rTu.getCU();
1635	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(compID);
1636	const TComRectangle &tuRect=rTu.getRect(compID);
1637	const UInt uiWidth=tuRect.width;
1638	const UInt uiHeight=tuRect.height;
1639	const TComSPS &sps=*(pcCU->getSlice()->getSPS());
1640	#if !H_MV_ENC_DEC_TRAC
1641
1642	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1643	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1644	DTRACE_CABAC_V( compID )
1645	DTRACE_CABAC_T( "\twidth=" )
1646	DTRACE_CABAC_V( uiWidth )
1647	DTRACE_CABAC_T( "\theight=" )
1648	DTRACE_CABAC_V( uiHeight )
1649	DTRACE_CABAC_T( "\tdepth=" )
1650	// DTRACE_CABAC_V( rTu.GetTransformDepthTotalAdj(compID) )
1651	DTRACE_CABAC_V( rTu.GetTransformDepthTotal() )
1652	DTRACE_CABAC_T( "\tabspartidx=" )
1653	DTRACE_CABAC_V( uiAbsPartIdx )
1654	DTRACE_CABAC_T( "\ttoCU-X=" )
1655	DTRACE_CABAC_V( pcCU->getCUPelX() )
1656	DTRACE_CABAC_T( "\ttoCU-Y=" )
1657	DTRACE_CABAC_V( pcCU->getCUPelY() )
1658	DTRACE_CABAC_T( "\tCU-addr=" )
1659	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1660	DTRACE_CABAC_T( "\tinCU-X=" )
1661	// DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1662	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1663	DTRACE_CABAC_T( "\tinCU-Y=" )
1664	// DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1665	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1666	DTRACE_CABAC_T( "\tpredmode=" )
1667	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1668	DTRACE_CABAC_T( "\n" )
1669	#endif
1670
1671	//--------------------------------------------------------------------------------------------------
1672
1673	if( uiWidth > sps.getMaxTrSize() )
1674	{
1675	std::cerr << "ERROR: codeCoeffNxN was passed a TU with dimensions larger than the maximum allowed size" << std::endl;
1676	assert(false);
1677	exit(1);
1678	}
1679
1680	// compute number of significant coefficients
1681	UInt uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1682
1683	if ( uiNumSig == 0 )
1684	{
1685	std::cerr << "ERROR: codeCoeffNxN called for empty TU!" << std::endl;
1686	assert(false);
1687	exit(1);
1688	}
1689
1690	//--------------------------------------------------------------------------------------------------
1691
1692	//set parameters
1693
1694	const ChannelType chType = toChannelType(compID);
1695	const UInt uiLog2BlockWidth = g_aucConvertToBit[ uiWidth ] + 2;
1696	const UInt uiLog2BlockHeight = g_aucConvertToBit[ uiHeight ] + 2;
1697
1698	const ChannelType channelType = toChannelType(compID);
1699	const Bool extendedPrecision = sps.getSpsRangeExtension().getExtendedPrecisionProcessingFlag();
1700
1701	const Bool alignCABACBeforeBypass = sps.getSpsRangeExtension().getCabacBypassAlignmentEnabledFlag();
1702	const Int maxLog2TrDynamicRange = sps.getMaxLog2TrDynamicRange(channelType);
1703
1704	Bool beValid;
1705
1706	{
1707	Int uiIntraMode = -1;
1708	const Bool bIsLuma = isLuma(compID);
1709	Int isIntra = pcCU->isIntra(uiAbsPartIdx) ? 1 : 0;
1710	if ( isIntra )
1711	{
1712	uiIntraMode = pcCU->getIntraDir( toChannelType(compID), uiAbsPartIdx );
1713
1714	const UInt partsPerMinCU = 1<<(2*(sps.getMaxTotalCUDepth() - sps.getLog2DiffMaxMinCodingBlockSize()));
1715	uiIntraMode = (uiIntraMode==DM_CHROMA_IDX && !bIsLuma) ? pcCU->getIntraDir(CHANNEL_TYPE_LUMA, getChromasCorrespondingPULumaIdx(uiAbsPartIdx, rTu.GetChromaFormat(), partsPerMinCU)) : uiIntraMode;
1716	uiIntraMode = ((rTu.GetChromaFormat() == CHROMA_422) && !bIsLuma) ? g_chroma422IntraAngleMappingTable[uiIntraMode] : uiIntraMode;
1717	}
1718
1719	Int transformSkip = pcCU->getTransformSkip( uiAbsPartIdx,compID) ? 1 : 0;
1720	Bool rdpcm_lossy = ( transformSkip && isIntra && ( (uiIntraMode == HOR_IDX) \|\| (uiIntraMode == VER_IDX) ) ) && pcCU->isRDPCMEnabled(uiAbsPartIdx);
1721
1722	if ( (pcCU->getCUTransquantBypass(uiAbsPartIdx)) \|\| rdpcm_lossy )
1723	{
1724	beValid = false;
1725	if ( (!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1726	{
1727	codeExplicitRdpcmMode( rTu, compID);
1728	}
1729	}
1730	else
1731	{
1732	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag();
1733	}
1734	}
1735
1736	//--------------------------------------------------------------------------------------------------
1737
1738	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1739	{
1740	codeTransformSkipFlags(rTu, compID);
1741	if(pcCU->getTransformSkip(uiAbsPartIdx, compID) && !pcCU->isIntra(uiAbsPartIdx) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1742	{
1743	// This TU has coefficients and is transform skipped. Check whether is inter coded and if yes encode the explicit RDPCM mode
1744	codeExplicitRdpcmMode( rTu, compID);
1745
1746	if(pcCU->getExplicitRdpcmMode(compID, uiAbsPartIdx) != RDPCM_OFF)
1747	{
1748	// Sign data hiding is avoided for horizontal and vertical explicit RDPCM modes
1749	beValid = false;
1750	}
1751	}
1752	}
1753
1754	//--------------------------------------------------------------------------------------------------
1755
1756	const Bool bUseGolombRiceParameterAdaptation = sps.getSpsRangeExtension().getPersistentRiceAdaptationEnabledFlag();
1757	UInt &currentGolombRiceStatistic = m_golombRiceAdaptationStatistics[rTu.getGolombRiceStatisticsIndex(compID)];
1758
1759	//select scans
1760	TUEntropyCodingParameters codingParameters;
1761	getTUEntropyCodingParameters(codingParameters, rTu, compID);
1762
1763	//----- encode significance map -----
1764
1765	// Find position of last coefficient
1766	Int scanPosLast = -1;
1767	Int posLast;
1768
1769
1770	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1771
1772	memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1773	do
1774	{
1775	posLast = codingParameters.scan[ ++scanPosLast ];
1776
1777	if( pcCoef[ posLast ] != 0 )
1778	{
1779	// get L1 sig map
1780	UInt uiPosY = posLast >> uiLog2BlockWidth;
1781	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockWidth );
1782
1783	UInt uiBlkIdx = (codingParameters.widthInGroups * (uiPosY >> MLS_CG_LOG2_HEIGHT)) + (uiPosX >> MLS_CG_LOG2_WIDTH);
1784	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1785
1786	uiNumSig--;
1787	}
1788	} while ( uiNumSig > 0 );
1789
1790	// Code position of last coefficient
1791	Int posLastY = posLast >> uiLog2BlockWidth;
1792	Int posLastX = posLast - ( posLastY << uiLog2BlockWidth );
1793	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, compID, codingParameters.scanType);
1794
1795	//===== code significance flag =====
1796	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, chType );
1797	ContextModel * const baseCtx = m_cCUSigSCModel.get( 0, 0 ) + getSignificanceMapContextOffset(compID);
1798
1799	const Int iLastScanSet = scanPosLast >> MLS_CG_SIZE;
1800
1801	UInt c1 = 1;
1802	UInt uiGoRiceParam = 0;
1803	Int iScanPosSig = scanPosLast;
1804
1805	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1806	{
1807	Int numNonZero = 0;
1808	Int iSubPos = iSubSet << MLS_CG_SIZE;
1809	uiGoRiceParam = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1810	Bool updateGolombRiceStatistics = bUseGolombRiceParameterAdaptation; //leave the statistics at 0 when not using the adaptation system
1811	UInt coeffSigns = 0;
1812
1813	Int absCoeff[1 << MLS_CG_SIZE];
1814
1815	Int lastNZPosInCG = -1;
1816	Int firstNZPosInCG = 1 << MLS_CG_SIZE;
1817
1818	Bool escapeDataPresentInGroup = false;
1819
1820	if( iScanPosSig == scanPosLast )
1821	{
1822	absCoeff[ 0 ] = Int(abs( pcCoef[ posLast ] ));
1823	coeffSigns = ( pcCoef[ posLast ] < 0 );
1824	numNonZero = 1;
1825	lastNZPosInCG = iScanPosSig;
1826	firstNZPosInCG = iScanPosSig;
1827	iScanPosSig--;
1828	}
1829
1830	// encode significant_coeffgroup_flag
1831	Int iCGBlkPos = codingParameters.scanCG[ iSubSet ];
1832	Int iCGPosY = iCGBlkPos / codingParameters.widthInGroups;
1833	Int iCGPosX = iCGBlkPos - (iCGPosY * codingParameters.widthInGroups);
1834
1835	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1836	{
1837	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1838	}
1839	else
1840	{
1841	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1842	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups );
1843	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1844	}
1845
1846	// encode significant_coeff_flag
1847	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1848	{
1849	const Int patternSigCtx = TComTrQuant::calcPatternSigCtx(uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups);
1850
1851	UInt uiBlkPos, uiSig, uiCtxSig;
1852	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1853	{
1854	uiBlkPos = codingParameters.scan[ iScanPosSig ];
1855	uiSig = (pcCoef[ uiBlkPos ] != 0);
1856	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1857	{
1858	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, codingParameters, iScanPosSig, uiLog2BlockWidth, uiLog2BlockHeight, chType );
1859	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1860	}
1861	if( uiSig )
1862	{
1863	absCoeff[ numNonZero ] = Int(abs( pcCoef[ uiBlkPos ] ));
1864	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1865	numNonZero++;
1866	if( lastNZPosInCG == -1 )
1867	{
1868	lastNZPosInCG = iScanPosSig;
1869	}
1870	firstNZPosInCG = iScanPosSig;
1871	}
1872	}
1873	}
1874	else
1875	{
1876	iScanPosSig = iSubPos - 1;
1877	}
1878
1879	if( numNonZero > 0 )
1880	{
1881	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1882
1883	const UInt uiCtxSet = getContextSetIndex(compID, iSubSet, (c1 == 0));
1884	c1 = 1;
1885
1886	ContextModel baseCtxMod = m_cCUOneSCModel.get( 0, 0 ) + (NUM_ONE_FLAG_CTX_PER_SET uiCtxSet);
1887
1888	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1889	Int firstC2FlagIdx = -1;
1890	for( Int idx = 0; idx < numC1Flag; idx++ )
1891	{
1892	UInt uiSymbol = absCoeff[ idx ] > 1;
1893	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1894	if( uiSymbol )
1895	{
1896	c1 = 0;
1897
1898	if (firstC2FlagIdx == -1)
1899	{
1900	firstC2FlagIdx = idx;
1901	}
1902	else //if a greater-than-one has been encountered already this group
1903	{
1904	escapeDataPresentInGroup = true;
1905	}
1906	}
1907	else if( (c1 < 3) && (c1 > 0) )
1908	{
1909	c1++;
1910	}
1911	}
1912
1913	if (c1 == 0)
1914	{
1915	baseCtxMod = m_cCUAbsSCModel.get( 0, 0 ) + (NUM_ABS_FLAG_CTX_PER_SET * uiCtxSet);
1916	if ( firstC2FlagIdx != -1)
1917	{
1918	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1919	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1920	if (symbol != 0)
1921	{
1922	escapeDataPresentInGroup = true;
1923	}
1924	}
1925	}
1926
1927	escapeDataPresentInGroup = escapeDataPresentInGroup \|\| (numNonZero > C1FLAG_NUMBER);
1928
1929	if (escapeDataPresentInGroup && alignCABACBeforeBypass)
1930	{
1931	m_pcBinIf->align();
1932	}
1933
1934	if( beValid && signHidden )
1935	{
1936	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1937	}
1938	else
1939	{
1940	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1941	}
1942
1943	Int iFirstCoeff2 = 1;
1944	if (escapeDataPresentInGroup)
1945	{
1946	for ( Int idx = 0; idx < numNonZero; idx++ )
1947	{
1948	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1949
1950	if( absCoeff[ idx ] >= baseLevel)
1951	{
1952	const UInt escapeCodeValue = absCoeff[idx] - baseLevel;
1953
1954	xWriteCoefRemainExGolomb( escapeCodeValue, uiGoRiceParam, extendedPrecision, maxLog2TrDynamicRange );
1955
1956	if (absCoeff[idx] > (3 << uiGoRiceParam))
1957	{
1958	uiGoRiceParam = bUseGolombRiceParameterAdaptation ? (uiGoRiceParam + 1) : (std::min<UInt>((uiGoRiceParam + 1), 4));
1959	}
1960
1961	if (updateGolombRiceStatistics)
1962	{
1963	const UInt initialGolombRiceParameter = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1964
1965	if (escapeCodeValue >= (3 << initialGolombRiceParameter))
1966	{
1967	currentGolombRiceStatistic++;
1968	}
1969	else if (((escapeCodeValue * 2) < (1 << initialGolombRiceParameter)) && (currentGolombRiceStatistic > 0))
1970	{
1971	currentGolombRiceStatistic--;
1972	}
1973
1974	updateGolombRiceStatistics = false;
1975	}
1976	}
1977
1978	if(absCoeff[ idx ] >= 2)
1979	{
1980	iFirstCoeff2 = 0;
1981	}
1982	}
1983	}
1984	}
1985	}
1986	#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
1987	printSBACCoeffData(posLastX, posLastY, uiWidth, uiHeight, compID, uiAbsPartIdx, codingParameters.scanType, pcCoef, pcCU->getSlice()->getFinalized());
1988	#endif
1989
1990	return;
1991	}
1992
1993	/** code SAO offset sign
1994	* \param code sign value
1995	*/
1996	Void TEncSbac::codeSAOSign( UInt code )
1997	{
1998	m_pcBinIf->encodeBinEP( code );
1999	}
2000
2001	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
2002	{
2003	if (maxSymbol == 0)
2004	{
2005	return;
2006	}
2007
2008	Int i;
2009	Bool bCodeLast = ( maxSymbol > code );
2010
2011	if ( code == 0 )
2012	{
2013	m_pcBinIf->encodeBinEP( 0 );
2014	}
2015	else
2016	{
2017	m_pcBinIf->encodeBinEP( 1 );
2018	for ( i=0; i<code-1; i++ )
2019	{
2020	m_pcBinIf->encodeBinEP( 1 );
2021	}
2022	if( bCodeLast )
2023	{
2024	m_pcBinIf->encodeBinEP( 0 );
2025	}
2026	}
2027	}
2028
2029	/** Code SAO EO class or BO band position
2030	*/
2031	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
2032	{
2033	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
2034	}
2035
2036	/** Code SAO merge flags
2037	*/
2038	Void TEncSbac::codeSaoMerge ( UInt uiCode )
2039	{
2040	m_pcBinIf->encodeBin(((uiCode == 0) ? 0 : 1), m_cSaoMergeSCModel.get( 0, 0, 0 ));
2041	}
2042
2043	/** Code SAO type index
2044	*/
2045	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2046	{
2047	if (uiCode == 0)
2048	{
2049	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2050	}
2051	else
2052	{
2053	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2054	m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
2055	}
2056	}
2057
2058	Void TEncSbac::codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth)
2059	{
2060	UInt uiSymbol;
2061	if(!sliceEnabled)
2062	{
2063	assert(ctbParam.modeIdc == SAO_MODE_OFF);
2064	return;
2065	}
2066	const Bool bIsFirstCompOfChType = (getFirstComponentOfChannel(toChannelType(compIdx)) == compIdx);
2067
2068	//type
2069	if(bIsFirstCompOfChType)
2070	{
2071	//sao_type_idx_luma or sao_type_idx_chroma
2072	if(ctbParam.modeIdc == SAO_MODE_OFF)
2073	{
2074	uiSymbol =0;
2075	}
2076	else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
2077	{
2078	uiSymbol = 1;
2079	}
2080	else
2081	{
2082	assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
2083	uiSymbol = 2;
2084	}
2085	codeSaoTypeIdx(uiSymbol);
2086	}
2087
2088	if(ctbParam.modeIdc == SAO_MODE_NEW)
2089	{
2090	Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
2091	Int offset[4];
2092	Int k=0;
2093	for(Int i=0; i< numClasses; i++)
2094	{
2095	if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
2096	{
2097	continue;
2098	}
2099	Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
2100	offset[k] = ctbParam.offset[classIdx];
2101	k++;
2102	}
2103
2104	const Int maxOffsetQVal = TComSampleAdaptiveOffset::getMaxOffsetQVal(channelBitDepth);
2105	for(Int i=0; i< 4; i++)
2106	{
2107	codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), maxOffsetQVal ); //sao_offset_abs
2108	}
2109
2110
2111	if(ctbParam.typeIdc == SAO_TYPE_BO)
2112	{
2113	for(Int i=0; i< 4; i++)
2114	{
2115	if(offset[i] != 0)
2116	{
2117	codeSAOSign((offset[i]< 0)?1:0);
2118	}
2119	}
2120
2121	codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
2122	}
2123	else //EO
2124	{
2125	if(bIsFirstCompOfChType)
2126	{
2127	assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
2128	codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
2129	}
2130	}
2131
2132	}
2133	}
2134
2135
2136	Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths
2137	, Bool* sliceEnabled
2138	, Bool leftMergeAvail
2139	, Bool aboveMergeAvail
2140	, Bool onlyEstMergeInfo // = false
2141	)
2142	{
2143
2144	Bool isLeftMerge = false;
2145	Bool isAboveMerge= false;
2146
2147	if(leftMergeAvail)
2148	{
2149	isLeftMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_LEFT));
2150	codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
2151	}
2152
2153	if( aboveMergeAvail && !isLeftMerge)
2154	{
2155	isAboveMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_ABOVE));
2156	codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
2157	}
2158
2159	if(onlyEstMergeInfo)
2160	{
2161	return; //only for RDO
2162	}
2163
2164	if(!isLeftMerge && !isAboveMerge) //not merge mode
2165	{
2166	for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++)
2167	{
2168	codeSAOOffsetParam(ComponentID(compIdx), saoBlkParam[compIdx], sliceEnabled[compIdx], bitDepths.recon[toChannelType(ComponentID(compIdx))]);
2169	}
2170	}
2171	}
2172
2173	/*!
2174	****************************************************************************
2175	* \brief
2176	* estimate bit cost for CBP, significant map and significant coefficients
2177	****************************************************************************
2178	*/
2179	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2180	{
2181	estCBFBit( pcEstBitsSbac );
2182
2183	estSignificantCoeffGroupMapBit( pcEstBitsSbac, chType );
2184
2185	// encode significance map
2186	estSignificantMapBit( pcEstBitsSbac, width, height, chType );
2187
2188	// encode last significant position
2189	estLastSignificantPositionBit( pcEstBitsSbac, width, height, chType );
2190
2191	// encode significant coefficients
2192	estSignificantCoefficientsBit( pcEstBitsSbac, chType );
2193
2194	memcpy(pcEstBitsSbac->golombRiceAdaptationStatistics, m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2195	}
2196
2197	/*!
2198	****************************************************************************
2199	* \brief
2200	* estimate bit cost for each CBP bit
2201	****************************************************************************
2202	*/
2203	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2204	{
2205	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2206
2207	for( UInt uiCtxInc = 0; uiCtxInc < (NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET); uiCtxInc++ )
2208	{
2209	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2210	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2211	}
2212
2213	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2214
2215	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2216	{
2217	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2218	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2219	}
2220	}
2221
2222
2223	/*!
2224	****************************************************************************
2225	* \brief
2226	* estimate SAMBAC bit cost for significant coefficient group map
2227	****************************************************************************
2228	*/
2229	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2230	{
2231	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2232
2233	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2234	{
2235	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2236	{
2237	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, chType, ctxIdx ).getEntropyBits( uiBin );
2238	}
2239	}
2240	}
2241
2242
2243	/*!
2244	****************************************************************************
2245	* \brief
2246	* estimate SAMBAC bit cost for significant coefficient map
2247	****************************************************************************
2248	*/
2249	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2250	{
2251	//--------------------------------------------------------------------------------------------------
2252
2253	//set up the number of channels and context variables
2254
2255	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2256	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2257
2258	//----------------------------------------------------------
2259
2260	Int firstCtx = MAX_INT;
2261	Int numCtx = MAX_INT;
2262
2263	if ((width == 4) && (height == 4))
2264	{
2265	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_4x4];
2266	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_4x4];
2267	}
2268	else if ((width == 8) && (height == 8))
2269	{
2270	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_8x8];
2271	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_8x8];
2272	}
2273	else
2274	{
2275	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_NxN];
2276	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_NxN];
2277	}
2278
2279	//--------------------------------------------------------------------------------------------------
2280
2281	//fill the data for the significace map
2282
2283	for (UInt component = firstComponent; component <= lastComponent; component++)
2284	{
2285	const UInt contextOffset = getSignificanceMapContextOffset(ComponentID(component));
2286
2287	if (firstCtx > 0)
2288	{
2289	for( UInt bin = 0; bin < 2; bin++ ) //always get the DC
2290	{
2291	pcEstBitsSbac->significantBits[ contextOffset ][ bin ] = m_cCUSigSCModel.get( 0, 0, contextOffset ).getEntropyBits( bin );
2292	}
2293	}
2294
2295	// This could be made optional, but would require this function to have knowledge of whether the
2296	// TU is transform-skipped or transquant-bypassed and whether the SPS flag is set
2297	for( UInt bin = 0; bin < 2; bin++ )
2298	{
2299	const Int ctxIdx = significanceMapContextSetStart[chType][CONTEXT_TYPE_SINGLE];
2300	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ bin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( bin );
2301	}
2302
2303	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2304	{
2305	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2306	{
2307	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( uiBin );
2308	}
2309	}
2310	}
2311
2312	//--------------------------------------------------------------------------------------------------
2313	}
2314
2315
2316	/*!
2317	****************************************************************************
2318	* \brief
2319	* estimate bit cost of significant coefficient
2320	****************************************************************************
2321	*/
2322
2323	Void TEncSbac::estLastSignificantPositionBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2324	{
2325	//--------------------------------------------------------------------------------------------------.
2326
2327	//set up the number of channels
2328
2329	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2330	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2331
2332	//--------------------------------------------------------------------------------------------------
2333
2334	//fill the data for the last-significant-coefficient position
2335
2336	for (UInt componentIndex = firstComponent; componentIndex <= lastComponent; componentIndex++)
2337	{
2338	const ComponentID component = ComponentID(componentIndex);
2339
2340	Int iBitsX = 0, iBitsY = 0;
2341
2342	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2343	getLastSignificantContextParameters(ComponentID(component), width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
2344
2345	Int ctx;
2346
2347	const ChannelType channelType = toChannelType(ComponentID(component));
2348
2349	ContextModel *const pCtxX = m_cCuCtxLastX.get( 0, channelType );
2350	ContextModel *const pCtxY = m_cCuCtxLastY.get( 0, channelType );
2351	Int *const lastXBitsArray = pcEstBitsSbac->lastXBits[channelType];
2352	Int *const lastYBitsArray = pcEstBitsSbac->lastYBits[channelType];
2353
2354	//------------------------------------------------
2355
2356	//X-coordinate
2357
2358	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2359	{
2360	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2361	lastXBitsArray[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2362	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2363	}
2364
2365	lastXBitsArray[ctx] = iBitsX;
2366
2367	//------------------------------------------------
2368
2369	//Y-coordinate
2370
2371	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2372	{
2373	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2374	lastYBitsArray[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2375	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2376	}
2377
2378	lastYBitsArray[ctx] = iBitsY;
2379
2380	} //end of component loop
2381
2382	//--------------------------------------------------------------------------------------------------
2383	}
2384
2385
2386	/*!
2387	****************************************************************************
2388	* \brief
2389	* estimate bit cost of significant coefficient
2390	****************************************************************************
2391	*/
2392	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2393	{
2394	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2395	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2396
2397	const UInt oneStartIndex = ((isLuma(chType)) ? (0) : (NUM_ONE_FLAG_CTX_LUMA));
2398	const UInt oneStopIndex = ((isLuma(chType)) ? (NUM_ONE_FLAG_CTX_LUMA) : (NUM_ONE_FLAG_CTX));
2399	const UInt absStartIndex = ((isLuma(chType)) ? (0) : (NUM_ABS_FLAG_CTX_LUMA));
2400	const UInt absStopIndex = ((isLuma(chType)) ? (NUM_ABS_FLAG_CTX_LUMA) : (NUM_ABS_FLAG_CTX));
2401
2402	for (Int ctxIdx = oneStartIndex; ctxIdx < oneStopIndex; ctxIdx++)
2403	{
2404	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2405	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2406	}
2407
2408	for (Int ctxIdx = absStartIndex; ctxIdx < absStopIndex; ctxIdx++)
2409	{
2410	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2411	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2412	}
2413	}
2414
2415	/**
2416	- Initialize our context information from the nominated source.
2417	.
2418	\param pSrc From where to copy context information.
2419	*/
2420	Void TEncSbac::xCopyContextsFrom( const TEncSbac* pSrc )
2421	{
2422	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2423	memcpy(m_golombRiceAdaptationStatistics, pSrc->m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2424	}
2425
2426	Void TEncSbac::loadContexts ( const TEncSbac* pSrc)
2427	{
2428	xCopyContextsFrom(pSrc);
2429	}
2430
2431	/** Performs CABAC encoding of the explicit RDPCM mode
2432	* \param rTu current TU data structure
2433	* \param compID component identifier
2434	*/
2435	Void TEncSbac::codeExplicitRdpcmMode( TComTU &rTu, const ComponentID compID )
2436	{
2437	TComDataCU *cu = rTu.getCU();
2438	const TComRectangle &rect = rTu.getRect(compID);
2439	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
2440	const UInt tuHeight = g_aucConvertToBit[rect.height];
2441	const UInt tuWidth = g_aucConvertToBit[rect.width];
2442
2443	assert(tuHeight == tuWidth);
2444	assert(tuHeight < 4);
2445
2446	UInt explicitRdpcmMode = cu->getExplicitRdpcmMode(compID, absPartIdx);
2447
2448	if( explicitRdpcmMode == RDPCM_OFF )
2449	{
2450	m_pcBinIf->encodeBin (0, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2451	}
2452	else if( explicitRdpcmMode == RDPCM_HOR \|\| explicitRdpcmMode == RDPCM_VER )
2453	{
2454	m_pcBinIf->encodeBin (1, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2455	if(explicitRdpcmMode == RDPCM_HOR)
2456	{
2457	m_pcBinIf->encodeBin ( 0, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2458	}
2459	else
2460	{
2461	m_pcBinIf->encodeBin ( 1, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2462	}
2463	}
2464	else
2465	{
2466	assert(0);
2467	}
2468	}
2469
2470	#if NH_3D_DMM \|\| NH_3D_SDC_INTRA \|\| H_3D_INTER_SDC
2471	Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx )
2472	{
2473	#if NH_3D_SDC_INTRA \|\| H_3D_INTER_SDC
2474	if( !(pcCU->getSDCFlag( absPartIdx )) )
2475	#endif
2476	#if NH_3D_DMM
2477	if( !(pcCU->isIntra( absPartIdx ) && isDmmMode( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx ) )) )
2478	#endif
2479	assert( 0 );
2480
2481	UInt uiNumSegments = 1;
2482	#if NH_3D_DMM
2483	uiNumSegments = isDmmMode( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx ) ) ? 2 : 1;
2484	#endif
2485
2486	UInt hasDeltaDC = 1;
2487	#if NH_3D_SDC_INTRA
2488	if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx ))
2489	{
2490	if( uiNumSegments == 1 )
2491	{
2492	hasDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0;
2493	}
2494	else
2495	{
2496	hasDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) \|\| pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0;
2497	}
2498	m_pcBinIf->encodeBin( hasDeltaDC, m_cDdcFlagSCModel.get( 0, 0, 0 ) );
2499	}
2500	#endif
2501
2502	if( hasDeltaDC )
2503	{
2504	for( UInt segment = 0; segment < uiNumSegments; segment++ )
2505	{
2506	Pel deltaDC = 0;
2507	if( pcCU->isIntra( absPartIdx ) )
2508	{
2509	#if NH_3D_SDC_INTRA
2510	if( pcCU->getSDCFlag( absPartIdx ) )
2511	{
2512	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2513	}
2514	else
2515	{
2516	#endif
2517	#if NH_3D_DMM
2518	deltaDC = pcCU->getDmmDeltaDC( getDmmType( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx ) ), segment, absPartIdx );
2519	#endif
2520	#if NH_3D_SDC_INTRA
2521	}
2522	#endif
2523	}
2524	#if H_3D_INTER_SDC
2525	else
2526	{
2527	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2528	}
2529	#endif
2530	xCodeDeltaDC( deltaDC, uiNumSegments );
2531	}
2532	}
2533	}
2534
2535	Void TEncSbac::xCodeDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
2536	{
2537	#if ENC_DEC_TRACE && H_MV_ENC_DEC_TRAC
2538	DTRACE_CU("delta_dc", valDeltaDC);
2539	#endif
2540	xWriteExGolombLevelDdc( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ) );
2541	if( valDeltaDC != 0 )
2542	{
2543	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
2544	m_pcBinIf->encodeBinEP( uiSign );
2545	}
2546	}
2547
2548	Void TEncSbac::xWriteExGolombLevelDdc( UInt uiSymbol )
2549	{
2550	if( uiSymbol )
2551	{
2552	m_pcBinIf->encodeBin( 1, m_cDdcDataSCModel.get(0, 0, 0) );
2553	UInt uiCount = 0;
2554	Bool bNoExGo = ( uiSymbol < 3 );
2555
2556	while( --uiSymbol && ++uiCount < 3 )
2557	{
2558	m_pcBinIf->encodeBin( 1, m_cDdcDataSCModel.get(0, 0, 0) );
2559	}
2560	if( bNoExGo )
2561	{
2562	m_pcBinIf->encodeBin( 0, m_cDdcDataSCModel.get(0, 0, 0) );
2563	}
2564	else
2565	{
2566	xWriteEpExGolomb( uiSymbol, 0 );
2567	}
2568	}
2569	else
2570	{
2571	m_pcBinIf->encodeBin( 0, m_cDdcDataSCModel.get(0, 0, 0) );
2572	}
2573
2574	return;
2575	}
2576	#endif
2577
2578	#if NH_3D_DMM
2579	Void TEncSbac::xCodeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
2580	{
2581	UInt dir = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx );
2582
2583	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
2584	{
2585	m_pcBinIf->encodeBin( isDmmMode( dir ) ? 0 : 1, m_cNotDmmFlagSCModel.get( 0, 0, 0 ) );
2586	}
2587	if( isDmmMode( dir ) )
2588	{
2589	UInt uiCodeIdx = 0;
2590
2591	switch( getDmmType( dir ) )
2592	{
2593	case DMM1_IDX: uiCodeIdx = 0; break;
2594	case DMM4_IDX: uiCodeIdx = 1; break;
2595	default: break;
2596	}
2597	//mode coding
2598	if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag())
2599	{
2600	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDmmModeSCModel.get( 0, 0, 0 ) );
2601	}
2602	}
2603	}
2604
2605	Void TEncSbac::xCodeDmmData( TComDataCU* pcCU, UInt absPartIdx )
2606	{
2607	UInt dir = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx );
2608	switch( getDmmType( dir ) )
2609	{
2610	case( DMM1_IDX ): { xCodeDmm1WedgeIdx( pcCU->getDmm1WedgeTabIdx( absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] ); } break;
2611	case( DMM4_IDX ): break;
2612	default: break;
2613	}
2614	}
2615
2616	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
2617	{
2618	for ( Int i = 0; i < iNumBit; i++ )
2619	{
2620	m_pcBinIf->encodeBinEP( ( uiTabIdx >> i ) & 1 );
2621	}
2622	}
2623	#endif
2624
2625	#if NH_3D_SDC_INTRA \|\| H_3D_INTER_SDC
2626	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2627	{
2628	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2629	#if ENC_DEC_TRACE && H_MV_ENC_DEC_TRAC
2630	DTRACE_CU("dc_only_flag", uiSymbol)
2631	#endif
2632	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, 0 ) );
2633	}
2634
2635	#endif
2636
2637	#if H_3D_DBBP
2638	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2639	{
2640	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2641	AOF( ePartSize == SIZE_2NxN \|\| ePartSize == SIZE_Nx2N );
2642	AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() );
2643	AOF( !pcCU->getSlice()->getIsDepth() );
2644
2645	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2646	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2647	DTRACE_CU("dbbp_flag", uiSymbol)
2648	}
2649	#endif
2650
2651	//! \}

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source: 3DVCSoftware/branches/HTM-14.1-update-dev1-MediaTek/source/Lib/TLibEncoder/TEncSbac.cpp @ 1258

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