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Last change on this file was 1313, checked in by tech, 9 years ago
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1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2015, 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 NH_3D_ARP
71	, m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	#endif
73	#if NH_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 \|\| NH_3D_SDC_INTER
109	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	, m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
111	#endif
112	#if NH_3D_SDC_INTRA
113	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
114	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_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 NH_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 NH_3D_ARP
152	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
153	#endif
154	#if NH_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 \|\| NH_3D_SDC_INTER
190	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
191	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
192	#endif
193	#if NH_3D_SDC_INTRA
194	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
195	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
196	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
197	#endif
198	#if NH_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 NH_3D_ARP
240	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
241	#endif
242	#if NH_3D_IC
243	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
244	#endif
245	#if NH_3D_SDC_INTRA \|\| NH_3D_SDC_INTER
246	curCost += m_cSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SDC_FLAG );
247	#endif
248	#if NH_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 \|\| NH_3D_SDC_INTER
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
300
301	Void TEncSbac::codeVPS( const TComVPS* /pcVPS/ )
302	{
303	assert (0);
304	return;
305	}
306
307	Void TEncSbac::codeSPS( const TComSPS* /pcSPS/ )
308	{
309	assert (0);
310	return;
311	}
312
313	Void TEncSbac::codePPS( const TComPPS* /pcPPS/ )
314	{
315	assert (0);
316	return;
317	}
318
319	Void TEncSbac::codeSliceHeader( TComSlice* /pcSlice/ )
320	{
321	assert (0);
322	return;
323	}
324
325	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* /pSlice/ )
326	{
327	assert (0);
328	return;
329	}
330
331	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
332	{
333	m_pcBinIf->encodeBinTrm( uilsLast );
334	}
335
336	Void TEncSbac::codeSliceFinish()
337	{
338	m_pcBinIf->finish();
339	}
340
341	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
342	{
343	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
344
345	if( 0 == uiSymbol)
346	{
347	return;
348	}
349
350	while( uiSymbol-- )
351	{
352	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
353	}
354
355	return;
356	}
357
358	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
359	{
360	if (uiMaxSymbol == 0)
361	{
362	return;
363	}
364
365	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
366
367	if ( uiSymbol == 0 )
368	{
369	return;
370	}
371
372	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
373
374	while( --uiSymbol )
375	{
376	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
377	}
378	if( bCodeLast )
379	{
380	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
381	}
382
383	return;
384	}
385
386	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
387	{
388	UInt bins = 0;
389	Int numBins = 0;
390
391	while( uiSymbol >= (UInt)(1<<uiCount) )
392	{
393	bins = 2 * bins + 1;
394	numBins++;
395	uiSymbol -= 1 << uiCount;
396	uiCount ++;
397	}
398	bins = 2 * bins + 0;
399	numBins++;
400
401	bins = (bins << uiCount) \| uiSymbol;
402	numBins += uiCount;
403
404	assert( numBins <= 32 );
405	m_pcBinIf->encodeBinsEP( bins, numBins );
406	}
407
408	#if NH_3D_DIS
409	Void TEncSbac::codeDIS( TComDataCU* pcCU, UInt uiAbsPartIdx )
410	{
411	UInt uiSymbol = pcCU->getDISFlag(uiAbsPartIdx ) ? 1 : 0;
412	m_pcBinIf->encodeBin( uiSymbol, m_cCUDISFlagSCModel.get( 0, 0, 0 ) );
413	if(uiSymbol)
414	{
415	UInt uiUnaryIdx = (UInt) pcCU->getDISType(uiAbsPartIdx);
416	UInt uiNumCand = 4;
417
418	if ( uiNumCand > 1 )
419	{
420	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
421	{
422	const UInt uiSymbol2 = ui == uiUnaryIdx ? 0 : 1;
423	if ( ui == 0 )
424	{
425	m_pcBinIf->encodeBin( uiSymbol2, m_cCUDISTypeSCModel.get( 0, 0, 0 ) );
426	}
427	else
428	{
429	m_pcBinIf->encodeBinEP( uiSymbol2 );
430	}
431	if( uiSymbol2 == 0 )
432	{
433	break;
434	}
435	}
436	}
437	}
438	}
439	#endif
440
441
442	/** Coding of coeff_abs_level_minus3
443	* \param symbol value of coeff_abs_level_minus3
444	* \param rParam reference to Rice parameter
445	* \param useLimitedPrefixLength
446	* \param maxLog2TrDynamicRange
447	*/
448	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange )
449	{
450	Int codeNumber = (Int)symbol;
451	UInt length;
452
453	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
454	{
455	length = codeNumber>>rParam;
456	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
457	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
458	}
459	else if (useLimitedPrefixLength)
460	{
461	const UInt maximumPrefixLength = (32 - (COEF_REMAIN_BIN_REDUCTION + maxLog2TrDynamicRange));
462
463	UInt prefixLength = 0;
464	UInt suffixLength = MAX_UINT;
465	UInt codeValue = (symbol >> rParam) - COEF_REMAIN_BIN_REDUCTION;
466
467	if (codeValue >= ((1 << maximumPrefixLength) - 1))
468	{
469	prefixLength = maximumPrefixLength;
470	suffixLength = maxLog2TrDynamicRange - rParam;
471	}
472	else
473	{
474	while (codeValue > ((2 << prefixLength) - 2))
475	{
476	prefixLength++;
477	}
478
479	suffixLength = prefixLength + 1; //+1 for the separator bit
480	}
481
482	const UInt suffix = codeValue - ((1 << prefixLength) - 1);
483
484	const UInt totalPrefixLength = prefixLength + COEF_REMAIN_BIN_REDUCTION;
485	const UInt prefix = (1 << totalPrefixLength) - 1;
486	const UInt rParamBitMask = (1 << rParam) - 1;
487
488	m_pcBinIf->encodeBinsEP( prefix, totalPrefixLength ); //prefix
489	m_pcBinIf->encodeBinsEP(((suffix << rParam) \| (symbol & rParamBitMask)), (suffixLength + rParam)); //separator, suffix, and rParam bits
490	}
491	else
492	{
493	length = rParam;
494	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
495
496	while (codeNumber >= (1<<length))
497	{
498	codeNumber -= (1<<(length++));
499	}
500
501	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
502	m_pcBinIf->encodeBinsEP(codeNumber,length);
503	}
504	}
505	// SBAC RD
506	Void TEncSbac::load ( const TEncSbac* pSrc)
507	{
508	this->xCopyFrom(pSrc);
509	}
510
511	Void TEncSbac::loadIntraDirMode( const TEncSbac* pSrc, const ChannelType chType )
512	{
513	m_pcBinIf->copyState( pSrc->m_pcBinIf );
514	if (isLuma(chType))
515	{
516	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
517	}
518	else
519	{
520	this->m_cCUChromaPredSCModel .copyFrom( &pSrc->m_cCUChromaPredSCModel );
521	}
522	}
523
524	#if NH_3D_DMM
525	Void TEncSbac::loadIntraDepthDmm( const TEncSbac* pSrc )
526	{
527	m_pcBinIf->copyState( pSrc->m_pcBinIf );
528	this->m_cNotDmmFlagSCModel.copyFrom( &pSrc->m_cNotDmmFlagSCModel );
529	this->m_cDmmModeSCModel .copyFrom( &pSrc->m_cDmmModeSCModel );
530	}
531	#endif
532
533
534	Void TEncSbac::store( TEncSbac* pDest) const
535	{
536	pDest->xCopyFrom( this );
537	}
538
539
540	Void TEncSbac::xCopyFrom( const TEncSbac* pSrc )
541	{
542	m_pcBinIf->copyState( pSrc->m_pcBinIf );
543	xCopyContextsFrom(pSrc);
544	}
545
546	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
547	{
548	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
549	Int iNum = AMVP_MAX_NUM_CANDS;
550
551	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
552	#if H_MV_ENC_DEC_TRAC
553	#if ENC_DEC_TRACE
554	if ( eRefList == REF_PIC_LIST_0 )
555	{
556	DTRACE_PU("mvp_l0_flag", iSymbol)
557	}
558	else
559	{
560	DTRACE_PU("mvp_l1_flag", iSymbol)
561	}
562	#endif
563	#endif
564	}
565
566	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
567	{
568	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
569	#if NH_3D_QTLPC
570	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
571	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
572	Bool bDepthMapDetect = (pcTexture != NULL);
573	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
574
575	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);
576
577	Bool depthDependent = false;
578	UInt uiTexturePart = eSize;
579
580	#if H_3D_FCO
581	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark())
582	#else
583	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
584	#endif
585	{
586	TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr());
587	UInt uiCUIdx = (pcCU->getZorderIdxInCtu() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCtu();
588	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
589	if(pcTextureCU->getDepth(uiCUIdx) == uiDepth )
590	{
591	depthDependent = true;
592	uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx );
593	}
594	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N)
595	{
596	assert( eSize == SIZE_2Nx2N );
597	return;
598	}
599	}
600	#endif
601	const UInt log2DiffMaxMinCodingBlockSize = pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize();
602
603	if ( pcCU->isIntra( uiAbsPartIdx ) )
604	{
605	if( uiDepth == log2DiffMaxMinCodingBlockSize )
606	{
607	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
608	#if H_MV_ENC_DEC_TRAC
609	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
610	#endif
611
612	}
613	return;
614	}
615	#if H_MV_ENC_DEC_TRAC
616	DTRACE_CU("part_mode", eSize )
617	#endif
618	#if NH_3D_QTLPC
619	if (depthDependent==false \|\| uiTexturePart == SIZE_NxN\|\| uiTexturePart == SIZE_2Nx2N)
620	{
621	#endif
622
623	switch(eSize)
624	{
625	case SIZE_2Nx2N:
626	{
627	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
628	break;
629	}
630	case SIZE_2NxN:
631	case SIZE_2NxnU:
632	case SIZE_2NxnD:
633	{
634	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
635	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
636	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
637	{
638	if (eSize == SIZE_2NxN)
639	{
640	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
641	}
642	else
643	{
644	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
645	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
646	}
647	}
648	break;
649	}
650	case SIZE_Nx2N:
651	case SIZE_nLx2N:
652	case SIZE_nRx2N:
653	{
654	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
655	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
656
657	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
658	{
659	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
660	}
661
662	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
663	{
664	if (eSize == SIZE_Nx2N)
665	{
666	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
667	}
668	else
669	{
670	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
671	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
672	}
673	}
674	break;
675	}
676	case SIZE_NxN:
677	{
678	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
679	{
680	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
681	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
682	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
683	}
684	break;
685	}
686	default:
687	{
688	assert(0);
689	break;
690	}
691	}
692	#if NH_3D_QTLPC
693	}
694	else if(uiTexturePart == SIZE_2NxN \|\| uiTexturePart == SIZE_2NxnU \|\| uiTexturePart == SIZE_2NxnD)
695	{
696	//assert(eSize!=SIZE_NxN);
697	//assert(eSize!=SIZE_Nx2N);
698	//assert(eSize==SIZE_2Nx2N \|\| eSize==SIZE_2NxN \|\| eSize==SIZE_2NxnU \|\| eSize==SIZE_2NxnD);
699	switch(eSize)
700	{
701	case SIZE_2Nx2N:
702	{
703	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
704	break;
705	}
706	case SIZE_2NxN:
707	{
708	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
709	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
710	{
711	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
712	}
713	break;
714	}
715	case SIZE_2NxnU:
716	case SIZE_2NxnD:
717	{
718	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
719	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
720	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
721	break;
722	}
723	default:
724	{
725	assert(0);
726	}
727	}
728	}
729	else if(uiTexturePart == SIZE_Nx2N\|\| uiTexturePart==SIZE_nLx2N \|\| uiTexturePart==SIZE_nRx2N)
730	{
731	//assert(eSize!=SIZE_NxN);
732	//assert(eSize!=SIZE_2NxN);
733	//assert(eSize==SIZE_2Nx2N \|\|eSize==SIZE_Nx2N \|\| eSize==SIZE_nLx2N \|\| eSize==SIZE_nRx2N);
734	switch(eSize)
735	{
736	case SIZE_2Nx2N:
737	{
738	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
739	break;
740	}
741	case SIZE_Nx2N:
742	{
743	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
744	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
745	{
746	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
747	}
748	break;
749	}
750	case SIZE_nLx2N:
751	case SIZE_nRx2N:
752	{
753	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
754	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
755	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
756	break;
757	}
758	default:
759	{
760	assert(0);
761	}
762	}
763	}
764	else
765	{
766	printf("uiTexturePart=%d",uiTexturePart);
767	assert(0);
768	}
769	#endif
770
771	}
772
773
774	/** code prediction mode
775	* \param pcCU
776	* \param uiAbsPartIdx
777	* \returns Void
778	*/
779	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
780	{
781	// get context function is here
782	m_pcBinIf->encodeBin( pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
783	#if H_MV_ENC_DEC_TRAC
784	DTRACE_CU("pred_mode_flag", pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0);
785	#endif
786
787	}
788
789	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
790	{
791	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
792	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
793	#if H_MV_ENC_DEC_TRAC
794	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
795	#endif
796
797	}
798
799	/** code skip flag
800	* \param pcCU
801	* \param uiAbsPartIdx
802	* \returns Void
803	*/
804	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
805	{
806	// get context function is here
807	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
808	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
809	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
810	#if !H_MV_ENC_DEC_TRAC
811	DTRACE_CABAC_VL( g_nSymbolCounter++ );
812	DTRACE_CABAC_T( "\tSkipFlag" );
813	DTRACE_CABAC_T( "\tuiCtxSkip: ");
814	DTRACE_CABAC_V( uiCtxSkip );
815	DTRACE_CABAC_T( "\tuiSymbol: ");
816	DTRACE_CABAC_V( uiSymbol );
817	DTRACE_CABAC_T( "\n");
818	#else
819	DTRACE_CU("cu_skip_flag", uiSymbol);
820	#endif
821	}
822
823	/** code merge flag
824	* \param pcCU
825	* \param uiAbsPartIdx
826	* \returns Void
827	*/
828	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
829	{
830	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
831	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
832
833	#if H_MV_ENC_DEC_TRAC
834	DTRACE_PU("merge_flag", uiSymbol);
835	#else
836	DTRACE_CABAC_VL( g_nSymbolCounter++ );
837	DTRACE_CABAC_T( "\tMergeFlag: " );
838	DTRACE_CABAC_V( uiSymbol );
839	DTRACE_CABAC_T( "\tAddress: " );
840	DTRACE_CABAC_V( pcCU->getCtuRsAddr() );
841	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
842	DTRACE_CABAC_V( uiAbsPartIdx );
843	DTRACE_CABAC_T( "\n" );
844	#endif
845	}
846
847	/** code merge index
848	* \param pcCU
849	* \param uiAbsPartIdx
850	* \returns Void
851	*/
852	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
853	{
854	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
855	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
856	if ( uiNumCand > 1 )
857	{
858	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
859	{
860	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
861	if ( ui==0 )
862	{
863	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
864	}
865	else
866	{
867	m_pcBinIf->encodeBinEP( uiSymbol );
868	}
869	if( uiSymbol == 0 )
870	{
871	break;
872	}
873	}
874	#if H_MV_ENC_DEC_TRAC
875	DTRACE_PU("merge_idx", uiUnaryIdx);
876	#endif
877	}
878	#if !H_MV_ENC_DEC_TRAC
879	DTRACE_CABAC_VL( g_nSymbolCounter++ );
880	DTRACE_CABAC_T( "\tparseMergeIndex()" );
881	DTRACE_CABAC_T( "\tuiMRGIdx= " );
882	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
883	DTRACE_CABAC_T( "\n" );
884	#endif
885	}
886
887	#if NH_3D_ARP
888	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
889	{
890	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
891	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
892	assert( iMaxW > 0);
893
894	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
895	Int nBinNum = iW + ( iW != iMaxW );
896	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
897	if( nBinNum > 1 )
898	{
899	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) );
900	}
901	#if H_MV_ENC_DEC_TRAC
902	DTRACE_CU("iv_res_pred_weight_idx", iW);
903	#endif
904	}
905	#endif
906
907	#if NH_3D_IC
908	/** code Illumination Compensation flag
909	* \param pcCU
910	* \param uiAbsPartIdx
911	* \returns Void
912	*/
913	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
914	{
915	// get context function is here
916	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
917	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) );
918	#if !H_MV_ENC_DEC_TRAC
919	DTRACE_CABAC_VL( g_nSymbolCounter++ );
920	DTRACE_CABAC_T( "\tICFlag" );
921	DTRACE_CABAC_T( "\tuiSymbol: ");
922	DTRACE_CABAC_V( uiSymbol );
923	DTRACE_CABAC_T( "\n");
924	#else
925	DTRACE_CU("ic_flag", uiSymbol );
926	#endif
927	}
928	#endif
929
930
931	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
932	{
933	if( uiDepth == pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize() )
934	{
935	return;
936	}
937
938	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
939	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
940
941	assert( uiCtx < 3 );
942	#if NH_3D_QTLPC
943	Bool bCodeSplitFlag = true;
944
945
946	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
947	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
948	Bool bDepthMapDetect = (pcTexture != NULL);
949	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
950
951	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);
952
953	#if H_3D_FCO
954	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark() )
955	#else
956	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
957	#endif
958	{
959	TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr());
960	UInt uiCUIdx = (pcCU->getZorderIdxInCtu() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCtu();
961	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
962	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
963	}
964
965	if(!bCodeSplitFlag)
966	{
967	assert(uiCurrSplitFlag == 0);
968	return;
969	}
970	#endif
971
972	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
973	#if !H_MV_ENC_DEC_TRAC
974	DTRACE_CABAC_VL( g_nSymbolCounter++ )
975	DTRACE_CABAC_T( "\tSplitFlag\n" )
976	#else
977	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
978	#endif
979	return;
980	}
981
982	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
983	{
984	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
985	#if !H_MV_ENC_DEC_TRAC
986	DTRACE_CABAC_VL( g_nSymbolCounter++ )
987	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
988	DTRACE_CABAC_T( "\tsymbol=" )
989	DTRACE_CABAC_V( uiSymbol )
990	DTRACE_CABAC_T( "\tctx=" )
991	DTRACE_CABAC_V( uiCtx )
992	DTRACE_CABAC_T( "\n" )
993	#else
994	DTRACE_TU("split_transform_flag", uiSymbol )
995	#endif
996
997	}
998
999
1000	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1001	{
1002	UInt dir[4],j;
1003	Int preds[4][NUM_MOST_PROBABLE_MODES] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1004	Int predIdx[4] ={ -1,-1,-1,-1};
1005	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1006	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1007	UInt partOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1008	for (j=0;j<partNum;j++)
1009	{
1010	dir[j] = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j );
1011	#if NH_3D_DMM
1012	if( pcCU->getSlice()->getIntraSdcWedgeFlag() \|\| pcCU->getSlice()->getIntraContourFlag() )
1013	{
1014	xCodeIntraDepthMode( pcCU, absPartIdx+partOffset*j );
1015	xCodeDmmData ( pcCU, absPartIdx+partOffset*j );
1016	}
1017	if( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1018	{
1019	#endif
1020	pcCU->getIntraDirPredictor(absPartIdx+partOffset*j, preds[j], COMPONENT_Y);
1021	for(UInt i = 0; i < NUM_MOST_PROBABLE_MODES; i++)
1022	{
1023	if(dir[j] == preds[j][i])
1024	{
1025	predIdx[j] = i;
1026	}
1027	}
1028	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1029	#if H_MV_ENC_DEC_TRAC
1030	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1031	#endif
1032	#if NH_3D_DMM
1033	}
1034	#endif
1035
1036	}
1037	for (j=0;j<partNum;j++)
1038	{
1039	#if NH_3D_DMM
1040	if( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1041	{
1042	#endif
1043	if(predIdx[j] != -1)
1044	{
1045	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1046	if (predIdx[j])
1047	{
1048	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1049	}
1050	#if H_MV_ENC_DEC_TRAC
1051	DTRACE_CU("mpm_idx", predIdx[j] );
1052	#endif
1053	}
1054	else
1055	{
1056	if (preds[j][0] > preds[j][1])
1057	{
1058	std::swap(preds[j][0], preds[j][1]);
1059	}
1060	if (preds[j][0] > preds[j][2])
1061	{
1062	std::swap(preds[j][0], preds[j][2]);
1063	}
1064	if (preds[j][1] > preds[j][2])
1065	{
1066	std::swap(preds[j][1], preds[j][2]);
1067	}
1068	for(Int i = (Int(NUM_MOST_PROBABLE_MODES) - 1); i >= 0; i--)
1069	{
1070	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1071	}
1072	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1073	#if H_MV_ENC_DEC_TRAC
1074	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1075	#endif
1076	}
1077	#if NH_3D_DMM
1078	}
1079	#endif
1080	}
1081	return;
1082	}
1083
1084	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1085	{
1086	UInt uiIntraDirChroma = pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx );
1087
1088	if( uiIntraDirChroma == DM_CHROMA_IDX )
1089	{
1090	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1091	#if H_MV_ENC_DEC_TRAC
1092	DTRACE_CU("intra_chroma_pred_mode", 0 );
1093	#endif
1094	}
1095	else
1096	{
1097	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1098
1099	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1100	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1101
1102	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1103	{
1104	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1105	{
1106	uiIntraDirChroma = i;
1107	break;
1108	}
1109	}
1110
1111	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1112	#if H_MV_ENC_DEC_TRAC
1113	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1114	#endif
1115
1116	}
1117
1118	return;
1119	}
1120
1121	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1122	{
1123	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1124	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1125	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1126
1127	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1128	{
1129	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1130	}
1131
1132	if (uiInterDir < 2)
1133	{
1134	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1135	}
1136	#if H_MV_ENC_DEC_TRAC
1137	DTRACE_PU("inter_pred_idc", uiInterDir );
1138	#endif
1139
1140	return;
1141	}
1142
1143	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1144	{
1145	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1146	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1147	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1148
1149	if( iRefFrame > 0 )
1150	{
1151	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1152	pCtx++;
1153	iRefFrame--;
1154	for( UInt ui = 0; ui < uiRefNum; ++ui )
1155	{
1156	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1157	if( ui == 0 )
1158	{
1159	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1160	}
1161	else
1162	{
1163	m_pcBinIf->encodeBinEP( uiSymbol );
1164	}
1165	if( uiSymbol == 0 )
1166	{
1167	break;
1168	}
1169	}
1170	}
1171	#if H_MV_ENC_DEC_TRAC
1172	#if ENC_DEC_TRACE
1173	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1174	if ( eRefList == REF_PIC_LIST_0 )
1175	{
1176	DTRACE_PU("ref_idx_l0", iRefFrame)
1177	}
1178	else
1179	{
1180	DTRACE_PU("ref_idx_l1", iRefFrame)
1181	}
1182	#endif
1183	#endif
1184	return;
1185	}
1186
1187	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1188	{
1189	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1190	{
1191	return;
1192	}
1193
1194	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1195	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1196	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1197	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1198
1199	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1200	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1201
1202	const Bool bHorAbsGr0 = iHor != 0;
1203	const Bool bVerAbsGr0 = iVer != 0;
1204	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1205	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1206	pCtx++;
1207
1208	if( bHorAbsGr0 )
1209	{
1210	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1211	}
1212
1213	if( bVerAbsGr0 )
1214	{
1215	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1216	}
1217
1218	if( bHorAbsGr0 )
1219	{
1220	if( uiHorAbs > 1 )
1221	{
1222	xWriteEpExGolomb( uiHorAbs-2, 1 );
1223	}
1224
1225	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1226	}
1227
1228	if( bVerAbsGr0 )
1229	{
1230	if( uiVerAbs > 1 )
1231	{
1232	xWriteEpExGolomb( uiVerAbs-2, 1 );
1233	}
1234
1235	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1236	}
1237
1238	return;
1239	}
1240
1241	Void TEncSbac::codeCrossComponentPrediction( TComTU &rTu, ComponentID compID )
1242	{
1243	TComDataCU *pcCU = rTu.getCU();
1244
1245	if( isLuma(compID) \|\| !pcCU->getSlice()->getPPS()->getPpsRangeExtension().getCrossComponentPredictionEnabledFlag() )
1246	{
1247	return;
1248	}
1249
1250	const UInt uiAbsPartIdx = rTu.GetAbsPartIdxTU();
1251
1252	if (!pcCU->isIntra(uiAbsPartIdx) \|\| (pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx ) == DM_CHROMA_IDX))
1253	{
1254	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1255	DTRACE_CABAC_T("\tparseCrossComponentPrediction()")
1256	DTRACE_CABAC_T( "\tAddr=" )
1257	DTRACE_CABAC_V( compID )
1258	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1259	DTRACE_CABAC_V( uiAbsPartIdx )
1260
1261	Int alpha = pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID );
1262	ContextModel *pCtx = m_cCrossComponentPredictionSCModel.get(0, 0) + ((compID == COMPONENT_Cr) ? (NUM_CROSS_COMPONENT_PREDICTION_CTX >> 1) : 0);
1263	m_pcBinIf->encodeBin(((alpha != 0) ? 1 : 0), pCtx[0]);
1264
1265	if (alpha != 0)
1266	{
1267	static const Int log2AbsAlphaMinus1Table[8] = { 0, 1, 1, 2, 2, 2, 3, 3 };
1268	assert(abs(alpha) <= 8);
1269
1270	if (abs(alpha)>1)
1271	{
1272	m_pcBinIf->encodeBin(1, pCtx[1]);
1273	xWriteUnaryMaxSymbol( log2AbsAlphaMinus1Table[abs(alpha) - 1] - 1, (pCtx + 2), 1, 2 );
1274	}
1275	else
1276	{
1277	m_pcBinIf->encodeBin(0, pCtx[1]);
1278	}
1279	m_pcBinIf->encodeBin( ((alpha < 0) ? 1 : 0), pCtx[4] );
1280	}
1281	DTRACE_CABAC_T( "\tAlpha=" )
1282	DTRACE_CABAC_V( pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID ) )
1283	DTRACE_CABAC_T( "\n" )
1284	}
1285	}
1286
1287	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1288	{
1289	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1290
1291	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
1292	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1293
1294	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1295	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1296	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1297	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1298	{
1299	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1300	}
1301
1302	if ( uiAbsDQp > 0)
1303	{
1304	UInt uiSign = (iDQp > 0 ? 0 : 1);
1305	m_pcBinIf->encodeBinEP(uiSign);
1306	}
1307
1308	return;
1309	}
1310
1311	/** code chroma qp adjustment, converting from the internal table representation
1312	* \returns Void
1313	*/
1314	Void TEncSbac::codeChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx )
1315	{
1316	Int internalIdc = cu->getChromaQpAdj( absPartIdx );
1317	Int chromaQpOffsetListLen = cu->getSlice()->getPPS()->getPpsRangeExtension().getChromaQpOffsetListLen();
1318	/* internal_idc == 0 => flag = 0
1319	* internal_idc > 1 => code idc value (if table size warrents) */
1320	m_pcBinIf->encodeBin( internalIdc > 0, m_ChromaQpAdjFlagSCModel.get( 0, 0, 0 ) );
1321
1322	if (internalIdc > 0 && chromaQpOffsetListLen > 1)
1323	{
1324	xWriteUnaryMaxSymbol( internalIdc - 1, &m_ChromaQpAdjIdcSCModel.get( 0, 0, 0 ), 0, chromaQpOffsetListLen - 1 );
1325	}
1326	}
1327
1328	Void TEncSbac::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel )
1329	{
1330	TComDataCU* pcCU = rTu.getCU();
1331
1332	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
1333	const UInt TUDepth = rTu.GetTransformDepthRel();
1334	UInt uiCtx = pcCU->getCtxQtCbf( rTu, toChannelType(compID) );
1335	const UInt contextSet = toChannelType(compID);
1336
1337	const UInt width = rTu.getRect(compID).width;
1338	const UInt height = rTu.getRect(compID).height;
1339	const Bool canQuadSplit = (width >= (MIN_TU_SIZE * 2)) && (height >= (MIN_TU_SIZE * 2));
1340
1341	// Since the CBF for chroma is coded at the highest level possible, if sub-TUs are
1342	// to be coded for a 4x8 chroma TU, their CBFs must be coded at the highest 4x8 level
1343	// (i.e. where luma TUs are 8x8 rather than 4x4)
1344	// ___ ___
1345	// \| \| \| <- 4 x (8x8 luma + 4x8 4:2:2 chroma)
1346	// \|___\|___\| each quadrant has its own chroma CBF
1347	// \| \| \| _ _ _ _
1348	// \|___\|___\| \|
1349	// <--16---> V
1350	// _ _
1351	// \|_\|_\| <- 4 x 4x4 luma + 1 x 4x8 4:2:2 chroma
1352	// \|_\|_\| no chroma CBF is coded - instead the parent CBF is inherited
1353	// <-8-> if sub-TUs are present, their CBFs had to be coded at the parent level
1354
1355	const UInt lowestTUDepth = TUDepth + ((!lowestLevel && !canQuadSplit) ? 1 : 0); //unsplittable TUs inherit their parent's CBF
1356
1357	if ((width != height) && (lowestLevel \|\| !canQuadSplit)) //if sub-TUs are present
1358	{
1359	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)
1360	const UInt partIdxesPerSubTU = rTu.GetAbsPartIdxNumParts(compID) >> 1;
1361
1362	for (UInt subTU = 0; subTU < 2; subTU++)
1363	{
1364	const UInt subTUAbsPartIdx = absPartIdx + (subTU * partIdxesPerSubTU);
1365	const UInt uiCbf = pcCU->getCbf(subTUAbsPartIdx, compID, subTUDepth);
1366
1367	m_pcBinIf->encodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx));
1368	#if !H_MV_ENC_DEC_TRAC
1369	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1370	DTRACE_CABAC_T( "\tparseQtCbf()" )
1371	DTRACE_CABAC_T( "\tsub-TU=" )
1372	DTRACE_CABAC_V( subTU )
1373	DTRACE_CABAC_T( "\tsymbol=" )
1374	DTRACE_CABAC_V( uiCbf )
1375	DTRACE_CABAC_T( "\tctx=" )
1376	DTRACE_CABAC_V( uiCtx )
1377	DTRACE_CABAC_T( "\tetype=" )
1378	DTRACE_CABAC_V( compID )
1379	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1380	DTRACE_CABAC_V( subTUAbsPartIdx )
1381	DTRACE_CABAC_T( "\n" )
1382	#else
1383	if ( compID == COMPONENT_Cb )
1384	{
1385	DTRACE_TU("cbf_cb", uiCbf )
1386	}
1387	else if ( compID == COMPONENT_Cr )
1388	{
1389	DTRACE_TU("cbf_cr", uiCbf )
1390	}
1391	else
1392	{
1393	DTRACE_TU("cbf_luma", uiCbf )
1394	}
1395	#endif
1396	}
1397	}
1398	else
1399	{
1400	const UInt uiCbf = pcCU->getCbf( absPartIdx, compID, lowestTUDepth );
1401	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, contextSet, uiCtx ) );
1402	#if !H_MV_ENC_DEC_TRAC
1403	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1404	DTRACE_CABAC_T( "\tparseQtCbf()" )
1405	DTRACE_CABAC_T( "\tsymbol=" )
1406	DTRACE_CABAC_V( uiCbf )
1407	DTRACE_CABAC_T( "\tctx=" )
1408	DTRACE_CABAC_V( uiCtx )
1409	DTRACE_CABAC_T( "\tetype=" )
1410	DTRACE_CABAC_V( compID )
1411	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1412	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) )
1413	DTRACE_CABAC_T( "\n" )
1414	#else
1415	if ( compID == COMPONENT_Cb )
1416	{
1417	DTRACE_TU("cbf_cb", uiCbf )
1418	}
1419	else if ( compID == COMPONENT_Cr )
1420	{
1421	DTRACE_TU("cbf_cr", uiCbf )
1422	}
1423	else
1424	{
1425	DTRACE_TU("cbf_luma", uiCbf )
1426	}
1427	#endif
1428
1429	}
1430	}
1431
1432
1433	Void TEncSbac::codeTransformSkipFlags (TComTU &rTu, ComponentID component )
1434	{
1435	TComDataCU* pcCU=rTu.getCU();
1436	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU();
1437
1438	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1439	{
1440	return;
1441	}
1442
1443	if (!TUCompRectHasAssociatedTransformSkipFlag(rTu.getRect(component), pcCU->getSlice()->getPPS()->getPpsRangeExtension().getLog2MaxTransformSkipBlockSize()))
1444	{
1445	return;
1446	}
1447
1448	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,component);
1449	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, toChannelType(component), 0 ) );
1450	#if !H_MV_ENC_DEC_TRAC
1451	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1452	DTRACE_CABAC_T("\tparseTransformSkip()");
1453	DTRACE_CABAC_T( "\tsymbol=" )
1454	DTRACE_CABAC_V( useTransformSkip )
1455	DTRACE_CABAC_T( "\tAddr=" )
1456	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1457	DTRACE_CABAC_T( "\tetype=" )
1458	DTRACE_CABAC_V( component )
1459	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1460	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU() )
1461	DTRACE_CABAC_T( "\n" )
1462	#endif
1463	}
1464
1465
1466	/** Code I_PCM information.
1467	* \param pcCU pointer to CU
1468	* \param uiAbsPartIdx CU index
1469	* \returns Void
1470	*/
1471	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1472	{
1473	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1474
1475	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1476
1477	m_pcBinIf->encodeBinTrm (uiIPCM);
1478	#if H_MV_ENC_DEC_TRAC
1479	DTRACE_CU("pcm_flag", uiIPCM)
1480	#endif
1481	if (writePCMSampleFlag)
1482	{
1483	m_pcBinIf->encodePCMAlignBits();
1484
1485	const UInt minCoeffSizeY = pcCU->getPic()->getMinCUWidth() * pcCU->getPic()->getMinCUHeight();
1486	const UInt offsetY = minCoeffSizeY * uiAbsPartIdx;
1487	for (UInt ch=0; ch < pcCU->getPic()->getNumberValidComponents(); ch++)
1488	{
1489	const ComponentID compID = ComponentID(ch);
1490	const UInt offset = offsetY >> (pcCU->getPic()->getComponentScaleX(compID) + pcCU->getPic()->getComponentScaleY(compID));
1491	Pel * pPCMSample = pcCU->getPCMSample(compID) + offset;
1492	const UInt width = pcCU->getWidth (uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleX(compID);
1493	const UInt height = pcCU->getHeight(uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleY(compID);
1494	const UInt sampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepth(toChannelType(compID));
1495	for (UInt y=0; y<height; y++)
1496	{
1497	for (UInt x=0; x<width; x++)
1498	{
1499	UInt sample = pPCMSample[x];
1500	m_pcBinIf->xWritePCMCode(sample, sampleBits);
1501	}
1502	pPCMSample += width;
1503	}
1504	}
1505	m_pcBinIf->resetBac();
1506	}
1507	}
1508
1509	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1510	{
1511	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1512	UInt uiCtx = 0;
1513	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1514	#if !H_MV_ENC_DEC_TRAC
1515	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1516	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1517	DTRACE_CABAC_T( "\tsymbol=" )
1518	DTRACE_CABAC_V( uiCbf )
1519	DTRACE_CABAC_T( "\tctx=" )
1520	DTRACE_CABAC_V( uiCtx )
1521	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1522	DTRACE_CABAC_V( uiAbsPartIdx )
1523	DTRACE_CABAC_T( "\n" )
1524	#else
1525	DTRACE_CU( "rqt_root_cbf", uiCbf )
1526	#endif
1527	}
1528
1529	Void TEncSbac::codeQtCbfZero( TComTU & rTu, const ChannelType chType )
1530	{
1531	// this function is only used to estimate the bits when cbf is 0
1532	// and will never be called when writing the bistream. do not need to write log
1533	UInt uiCbf = 0;
1534	UInt uiCtx = rTu.getCU()->getCtxQtCbf( rTu, chType );
1535
1536	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, chType, uiCtx ) );
1537	}
1538
1539	Void TEncSbac::codeQtRootCbfZero( )
1540	{
1541	// this function is only used to estimate the bits when cbf is 0
1542	// and will never be called when writing the bistream. do not need to write log
1543	UInt uiCbf = 0;
1544	UInt uiCtx = 0;
1545	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1546	}
1547
1548	/** Encode (X,Y) position of the last significant coefficient
1549	* \param uiPosX X component of last coefficient
1550	* \param uiPosY Y component of last coefficient
1551	* \param width Block width
1552	* \param height Block height
1553	* \param component chroma component ID
1554	* \param uiScanIdx scan type (zig-zag, hor, ver)
1555	* This method encodes the X and Y component within a block of the last significant coefficient.
1556	*/
1557	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx )
1558	{
1559	// swap
1560	if( uiScanIdx == SCAN_VER )
1561	{
1562	swap( uiPosX, uiPosY );
1563	swap( width, height );
1564	}
1565
1566	UInt uiCtxLast;
1567	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1568	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1569
1570	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, toChannelType(component) );
1571	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, toChannelType(component) );
1572
1573	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1574	getLastSignificantContextParameters(component, width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
1575
1576	//------------------
1577
1578	// posX
1579
1580	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1581	{
1582	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1583	}
1584	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1585	{
1586	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1587	}
1588
1589	// posY
1590
1591	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1592	{
1593	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1594	}
1595	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1596	{
1597	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1598	}
1599
1600	// EP-coded part
1601
1602	if ( uiGroupIdxX > 3 )
1603	{
1604	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1605	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1606	for (Int i = uiCount - 1 ; i >= 0; i-- )
1607	{
1608	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1609	}
1610	}
1611	if ( uiGroupIdxY > 3 )
1612	{
1613	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1614	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1615	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1616	{
1617	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1618	}
1619	}
1620	}
1621
1622
1623	Void TEncSbac::codeCoeffNxN( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID )
1624	{
1625	TComDataCU* pcCU=rTu.getCU();
1626	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(compID);
1627	const TComRectangle &tuRect=rTu.getRect(compID);
1628	const UInt uiWidth=tuRect.width;
1629	const UInt uiHeight=tuRect.height;
1630	const TComSPS &sps=*(pcCU->getSlice()->getSPS());
1631	#if !H_MV_ENC_DEC_TRAC
1632
1633	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1634	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1635	DTRACE_CABAC_V( compID )
1636	DTRACE_CABAC_T( "\twidth=" )
1637	DTRACE_CABAC_V( uiWidth )
1638	DTRACE_CABAC_T( "\theight=" )
1639	DTRACE_CABAC_V( uiHeight )
1640	DTRACE_CABAC_T( "\tdepth=" )
1641	// DTRACE_CABAC_V( rTu.GetTransformDepthTotalAdj(compID) )
1642	DTRACE_CABAC_V( rTu.GetTransformDepthTotal() )
1643	DTRACE_CABAC_T( "\tabspartidx=" )
1644	DTRACE_CABAC_V( uiAbsPartIdx )
1645	DTRACE_CABAC_T( "\ttoCU-X=" )
1646	DTRACE_CABAC_V( pcCU->getCUPelX() )
1647	DTRACE_CABAC_T( "\ttoCU-Y=" )
1648	DTRACE_CABAC_V( pcCU->getCUPelY() )
1649	DTRACE_CABAC_T( "\tCU-addr=" )
1650	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1651	DTRACE_CABAC_T( "\tinCU-X=" )
1652	// DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1653	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1654	DTRACE_CABAC_T( "\tinCU-Y=" )
1655	// DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1656	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1657	DTRACE_CABAC_T( "\tpredmode=" )
1658	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1659	DTRACE_CABAC_T( "\n" )
1660	#endif
1661
1662	//--------------------------------------------------------------------------------------------------
1663
1664	if( uiWidth > sps.getMaxTrSize() )
1665	{
1666	std::cerr << "ERROR: codeCoeffNxN was passed a TU with dimensions larger than the maximum allowed size" << std::endl;
1667	assert(false);
1668	exit(1);
1669	}
1670
1671	// compute number of significant coefficients
1672	UInt uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1673
1674	if ( uiNumSig == 0 )
1675	{
1676	std::cerr << "ERROR: codeCoeffNxN called for empty TU!" << std::endl;
1677	assert(false);
1678	exit(1);
1679	}
1680
1681	//--------------------------------------------------------------------------------------------------
1682
1683	//set parameters
1684
1685	const ChannelType chType = toChannelType(compID);
1686	const UInt uiLog2BlockWidth = g_aucConvertToBit[ uiWidth ] + 2;
1687	const UInt uiLog2BlockHeight = g_aucConvertToBit[ uiHeight ] + 2;
1688
1689	const ChannelType channelType = toChannelType(compID);
1690	const Bool extendedPrecision = sps.getSpsRangeExtension().getExtendedPrecisionProcessingFlag();
1691
1692	const Bool alignCABACBeforeBypass = sps.getSpsRangeExtension().getCabacBypassAlignmentEnabledFlag();
1693	const Int maxLog2TrDynamicRange = sps.getMaxLog2TrDynamicRange(channelType);
1694
1695	Bool beValid;
1696
1697	{
1698	Int uiIntraMode = -1;
1699	const Bool bIsLuma = isLuma(compID);
1700	Int isIntra = pcCU->isIntra(uiAbsPartIdx) ? 1 : 0;
1701	if ( isIntra )
1702	{
1703	uiIntraMode = pcCU->getIntraDir( toChannelType(compID), uiAbsPartIdx );
1704
1705	const UInt partsPerMinCU = 1<<(2*(sps.getMaxTotalCUDepth() - sps.getLog2DiffMaxMinCodingBlockSize()));
1706	uiIntraMode = (uiIntraMode==DM_CHROMA_IDX && !bIsLuma) ? pcCU->getIntraDir(CHANNEL_TYPE_LUMA, getChromasCorrespondingPULumaIdx(uiAbsPartIdx, rTu.GetChromaFormat(), partsPerMinCU)) : uiIntraMode;
1707	uiIntraMode = ((rTu.GetChromaFormat() == CHROMA_422) && !bIsLuma) ? g_chroma422IntraAngleMappingTable[uiIntraMode] : uiIntraMode;
1708	}
1709
1710	Int transformSkip = pcCU->getTransformSkip( uiAbsPartIdx,compID) ? 1 : 0;
1711	Bool rdpcm_lossy = ( transformSkip && isIntra && ( (uiIntraMode == HOR_IDX) \|\| (uiIntraMode == VER_IDX) ) ) && pcCU->isRDPCMEnabled(uiAbsPartIdx);
1712
1713	if ( (pcCU->getCUTransquantBypass(uiAbsPartIdx)) \|\| rdpcm_lossy )
1714	{
1715	beValid = false;
1716	if ( (!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1717	{
1718	codeExplicitRdpcmMode( rTu, compID);
1719	}
1720	}
1721	else
1722	{
1723	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag();
1724	}
1725	}
1726
1727	//--------------------------------------------------------------------------------------------------
1728
1729	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1730	{
1731	codeTransformSkipFlags(rTu, compID);
1732	if(pcCU->getTransformSkip(uiAbsPartIdx, compID) && !pcCU->isIntra(uiAbsPartIdx) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1733	{
1734	// This TU has coefficients and is transform skipped. Check whether is inter coded and if yes encode the explicit RDPCM mode
1735	codeExplicitRdpcmMode( rTu, compID);
1736
1737	if(pcCU->getExplicitRdpcmMode(compID, uiAbsPartIdx) != RDPCM_OFF)
1738	{
1739	// Sign data hiding is avoided for horizontal and vertical explicit RDPCM modes
1740	beValid = false;
1741	}
1742	}
1743	}
1744
1745	//--------------------------------------------------------------------------------------------------
1746
1747	const Bool bUseGolombRiceParameterAdaptation = sps.getSpsRangeExtension().getPersistentRiceAdaptationEnabledFlag();
1748	UInt &currentGolombRiceStatistic = m_golombRiceAdaptationStatistics[rTu.getGolombRiceStatisticsIndex(compID)];
1749
1750	//select scans
1751	TUEntropyCodingParameters codingParameters;
1752	getTUEntropyCodingParameters(codingParameters, rTu, compID);
1753
1754	//----- encode significance map -----
1755
1756	// Find position of last coefficient
1757	Int scanPosLast = -1;
1758	Int posLast;
1759
1760
1761	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1762
1763	memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1764	do
1765	{
1766	posLast = codingParameters.scan[ ++scanPosLast ];
1767
1768	if( pcCoef[ posLast ] != 0 )
1769	{
1770	// get L1 sig map
1771	UInt uiPosY = posLast >> uiLog2BlockWidth;
1772	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockWidth );
1773
1774	UInt uiBlkIdx = (codingParameters.widthInGroups * (uiPosY >> MLS_CG_LOG2_HEIGHT)) + (uiPosX >> MLS_CG_LOG2_WIDTH);
1775	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1776
1777	uiNumSig--;
1778	}
1779	} while ( uiNumSig > 0 );
1780
1781	// Code position of last coefficient
1782	Int posLastY = posLast >> uiLog2BlockWidth;
1783	Int posLastX = posLast - ( posLastY << uiLog2BlockWidth );
1784	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, compID, codingParameters.scanType);
1785
1786	//===== code significance flag =====
1787	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, chType );
1788	ContextModel * const baseCtx = m_cCUSigSCModel.get( 0, 0 ) + getSignificanceMapContextOffset(compID);
1789
1790	const Int iLastScanSet = scanPosLast >> MLS_CG_SIZE;
1791
1792	UInt c1 = 1;
1793	UInt uiGoRiceParam = 0;
1794	Int iScanPosSig = scanPosLast;
1795
1796	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1797	{
1798	Int numNonZero = 0;
1799	Int iSubPos = iSubSet << MLS_CG_SIZE;
1800	uiGoRiceParam = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1801	Bool updateGolombRiceStatistics = bUseGolombRiceParameterAdaptation; //leave the statistics at 0 when not using the adaptation system
1802	UInt coeffSigns = 0;
1803
1804	Int absCoeff[1 << MLS_CG_SIZE];
1805
1806	Int lastNZPosInCG = -1;
1807	Int firstNZPosInCG = 1 << MLS_CG_SIZE;
1808
1809	Bool escapeDataPresentInGroup = false;
1810
1811	if( iScanPosSig == scanPosLast )
1812	{
1813	absCoeff[ 0 ] = Int(abs( pcCoef[ posLast ] ));
1814	coeffSigns = ( pcCoef[ posLast ] < 0 );
1815	numNonZero = 1;
1816	lastNZPosInCG = iScanPosSig;
1817	firstNZPosInCG = iScanPosSig;
1818	iScanPosSig--;
1819	}
1820
1821	// encode significant_coeffgroup_flag
1822	Int iCGBlkPos = codingParameters.scanCG[ iSubSet ];
1823	Int iCGPosY = iCGBlkPos / codingParameters.widthInGroups;
1824	Int iCGPosX = iCGBlkPos - (iCGPosY * codingParameters.widthInGroups);
1825
1826	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1827	{
1828	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1829	}
1830	else
1831	{
1832	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1833	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups );
1834	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1835	}
1836
1837	// encode significant_coeff_flag
1838	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1839	{
1840	const Int patternSigCtx = TComTrQuant::calcPatternSigCtx(uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups);
1841
1842	UInt uiBlkPos, uiSig, uiCtxSig;
1843	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1844	{
1845	uiBlkPos = codingParameters.scan[ iScanPosSig ];
1846	uiSig = (pcCoef[ uiBlkPos ] != 0);
1847	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1848	{
1849	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, codingParameters, iScanPosSig, uiLog2BlockWidth, uiLog2BlockHeight, chType );
1850	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1851	}
1852	if( uiSig )
1853	{
1854	absCoeff[ numNonZero ] = Int(abs( pcCoef[ uiBlkPos ] ));
1855	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1856	numNonZero++;
1857	if( lastNZPosInCG == -1 )
1858	{
1859	lastNZPosInCG = iScanPosSig;
1860	}
1861	firstNZPosInCG = iScanPosSig;
1862	}
1863	}
1864	}
1865	else
1866	{
1867	iScanPosSig = iSubPos - 1;
1868	}
1869
1870	if( numNonZero > 0 )
1871	{
1872	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
1873
1874	const UInt uiCtxSet = getContextSetIndex(compID, iSubSet, (c1 == 0));
1875	c1 = 1;
1876
1877	ContextModel baseCtxMod = m_cCUOneSCModel.get( 0, 0 ) + (NUM_ONE_FLAG_CTX_PER_SET uiCtxSet);
1878
1879	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
1880	Int firstC2FlagIdx = -1;
1881	for( Int idx = 0; idx < numC1Flag; idx++ )
1882	{
1883	UInt uiSymbol = absCoeff[ idx ] > 1;
1884	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
1885	if( uiSymbol )
1886	{
1887	c1 = 0;
1888
1889	if (firstC2FlagIdx == -1)
1890	{
1891	firstC2FlagIdx = idx;
1892	}
1893	else //if a greater-than-one has been encountered already this group
1894	{
1895	escapeDataPresentInGroup = true;
1896	}
1897	}
1898	else if( (c1 < 3) && (c1 > 0) )
1899	{
1900	c1++;
1901	}
1902	}
1903
1904	if (c1 == 0)
1905	{
1906	baseCtxMod = m_cCUAbsSCModel.get( 0, 0 ) + (NUM_ABS_FLAG_CTX_PER_SET * uiCtxSet);
1907	if ( firstC2FlagIdx != -1)
1908	{
1909	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
1910	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
1911	if (symbol != 0)
1912	{
1913	escapeDataPresentInGroup = true;
1914	}
1915	}
1916	}
1917
1918	escapeDataPresentInGroup = escapeDataPresentInGroup \|\| (numNonZero > C1FLAG_NUMBER);
1919
1920	if (escapeDataPresentInGroup && alignCABACBeforeBypass)
1921	{
1922	m_pcBinIf->align();
1923	}
1924
1925	if( beValid && signHidden )
1926	{
1927	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
1928	}
1929	else
1930	{
1931	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
1932	}
1933
1934	Int iFirstCoeff2 = 1;
1935	if (escapeDataPresentInGroup)
1936	{
1937	for ( Int idx = 0; idx < numNonZero; idx++ )
1938	{
1939	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
1940
1941	if( absCoeff[ idx ] >= baseLevel)
1942	{
1943	const UInt escapeCodeValue = absCoeff[idx] - baseLevel;
1944
1945	xWriteCoefRemainExGolomb( escapeCodeValue, uiGoRiceParam, extendedPrecision, maxLog2TrDynamicRange );
1946
1947	if (absCoeff[idx] > (3 << uiGoRiceParam))
1948	{
1949	uiGoRiceParam = bUseGolombRiceParameterAdaptation ? (uiGoRiceParam + 1) : (std::min<UInt>((uiGoRiceParam + 1), 4));
1950	}
1951
1952	if (updateGolombRiceStatistics)
1953	{
1954	const UInt initialGolombRiceParameter = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1955
1956	if (escapeCodeValue >= (3 << initialGolombRiceParameter))
1957	{
1958	currentGolombRiceStatistic++;
1959	}
1960	else if (((escapeCodeValue * 2) < (1 << initialGolombRiceParameter)) && (currentGolombRiceStatistic > 0))
1961	{
1962	currentGolombRiceStatistic--;
1963	}
1964
1965	updateGolombRiceStatistics = false;
1966	}
1967	}
1968
1969	if(absCoeff[ idx ] >= 2)
1970	{
1971	iFirstCoeff2 = 0;
1972	}
1973	}
1974	}
1975	}
1976	}
1977	#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
1978	printSBACCoeffData(posLastX, posLastY, uiWidth, uiHeight, compID, uiAbsPartIdx, codingParameters.scanType, pcCoef, pcCU->getSlice()->getFinalized());
1979	#endif
1980
1981	return;
1982	}
1983
1984	/** code SAO offset sign
1985	* \param code sign value
1986	*/
1987	Void TEncSbac::codeSAOSign( UInt code )
1988	{
1989	m_pcBinIf->encodeBinEP( code );
1990	}
1991
1992	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
1993	{
1994	if (maxSymbol == 0)
1995	{
1996	return;
1997	}
1998
1999	Int i;
2000	Bool bCodeLast = ( maxSymbol > code );
2001
2002	if ( code == 0 )
2003	{
2004	m_pcBinIf->encodeBinEP( 0 );
2005	}
2006	else
2007	{
2008	m_pcBinIf->encodeBinEP( 1 );
2009	for ( i=0; i<code-1; i++ )
2010	{
2011	m_pcBinIf->encodeBinEP( 1 );
2012	}
2013	if( bCodeLast )
2014	{
2015	m_pcBinIf->encodeBinEP( 0 );
2016	}
2017	}
2018	}
2019
2020	/** Code SAO EO class or BO band position
2021	*/
2022	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
2023	{
2024	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
2025	}
2026
2027	/** Code SAO merge flags
2028	*/
2029	Void TEncSbac::codeSaoMerge ( UInt uiCode )
2030	{
2031	m_pcBinIf->encodeBin(((uiCode == 0) ? 0 : 1), m_cSaoMergeSCModel.get( 0, 0, 0 ));
2032	}
2033
2034	/** Code SAO type index
2035	*/
2036	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2037	{
2038	if (uiCode == 0)
2039	{
2040	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2041	}
2042	else
2043	{
2044	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2045	m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
2046	}
2047	}
2048
2049	Void TEncSbac::codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth)
2050	{
2051	UInt uiSymbol;
2052	if(!sliceEnabled)
2053	{
2054	assert(ctbParam.modeIdc == SAO_MODE_OFF);
2055	return;
2056	}
2057	const Bool bIsFirstCompOfChType = (getFirstComponentOfChannel(toChannelType(compIdx)) == compIdx);
2058
2059	//type
2060	if(bIsFirstCompOfChType)
2061	{
2062	//sao_type_idx_luma or sao_type_idx_chroma
2063	if(ctbParam.modeIdc == SAO_MODE_OFF)
2064	{
2065	uiSymbol =0;
2066	}
2067	else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
2068	{
2069	uiSymbol = 1;
2070	}
2071	else
2072	{
2073	assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
2074	uiSymbol = 2;
2075	}
2076	codeSaoTypeIdx(uiSymbol);
2077	}
2078
2079	if(ctbParam.modeIdc == SAO_MODE_NEW)
2080	{
2081	Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
2082	Int offset[4];
2083	Int k=0;
2084	for(Int i=0; i< numClasses; i++)
2085	{
2086	if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
2087	{
2088	continue;
2089	}
2090	Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
2091	offset[k] = ctbParam.offset[classIdx];
2092	k++;
2093	}
2094
2095	const Int maxOffsetQVal = TComSampleAdaptiveOffset::getMaxOffsetQVal(channelBitDepth);
2096	for(Int i=0; i< 4; i++)
2097	{
2098	codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), maxOffsetQVal ); //sao_offset_abs
2099	}
2100
2101
2102	if(ctbParam.typeIdc == SAO_TYPE_BO)
2103	{
2104	for(Int i=0; i< 4; i++)
2105	{
2106	if(offset[i] != 0)
2107	{
2108	codeSAOSign((offset[i]< 0)?1:0);
2109	}
2110	}
2111
2112	codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
2113	}
2114	else //EO
2115	{
2116	if(bIsFirstCompOfChType)
2117	{
2118	assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
2119	codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
2120	}
2121	}
2122
2123	}
2124	}
2125
2126
2127	Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths
2128	, Bool* sliceEnabled
2129	, Bool leftMergeAvail
2130	, Bool aboveMergeAvail
2131	, Bool onlyEstMergeInfo // = false
2132	)
2133	{
2134
2135	Bool isLeftMerge = false;
2136	Bool isAboveMerge= false;
2137
2138	if(leftMergeAvail)
2139	{
2140	isLeftMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_LEFT));
2141	codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
2142	}
2143
2144	if( aboveMergeAvail && !isLeftMerge)
2145	{
2146	isAboveMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_ABOVE));
2147	codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
2148	}
2149
2150	if(onlyEstMergeInfo)
2151	{
2152	return; //only for RDO
2153	}
2154
2155	if(!isLeftMerge && !isAboveMerge) //not merge mode
2156	{
2157	for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++)
2158	{
2159	codeSAOOffsetParam(ComponentID(compIdx), saoBlkParam[compIdx], sliceEnabled[compIdx], bitDepths.recon[toChannelType(ComponentID(compIdx))]);
2160	}
2161	}
2162	}
2163
2164	/*!
2165	****************************************************************************
2166	* \brief
2167	* estimate bit cost for CBP, significant map and significant coefficients
2168	****************************************************************************
2169	*/
2170	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2171	{
2172	estCBFBit( pcEstBitsSbac );
2173
2174	estSignificantCoeffGroupMapBit( pcEstBitsSbac, chType );
2175
2176	// encode significance map
2177	estSignificantMapBit( pcEstBitsSbac, width, height, chType );
2178
2179	// encode last significant position
2180	estLastSignificantPositionBit( pcEstBitsSbac, width, height, chType );
2181
2182	// encode significant coefficients
2183	estSignificantCoefficientsBit( pcEstBitsSbac, chType );
2184
2185	memcpy(pcEstBitsSbac->golombRiceAdaptationStatistics, m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2186	}
2187
2188	/*!
2189	****************************************************************************
2190	* \brief
2191	* estimate bit cost for each CBP bit
2192	****************************************************************************
2193	*/
2194	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2195	{
2196	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2197
2198	for( UInt uiCtxInc = 0; uiCtxInc < (NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET); uiCtxInc++ )
2199	{
2200	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2201	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2202	}
2203
2204	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2205
2206	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2207	{
2208	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2209	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2210	}
2211	}
2212
2213
2214	/*!
2215	****************************************************************************
2216	* \brief
2217	* estimate SAMBAC bit cost for significant coefficient group map
2218	****************************************************************************
2219	*/
2220	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2221	{
2222	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2223
2224	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2225	{
2226	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2227	{
2228	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, chType, ctxIdx ).getEntropyBits( uiBin );
2229	}
2230	}
2231	}
2232
2233
2234	/*!
2235	****************************************************************************
2236	* \brief
2237	* estimate SAMBAC bit cost for significant coefficient map
2238	****************************************************************************
2239	*/
2240	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2241	{
2242	//--------------------------------------------------------------------------------------------------
2243
2244	//set up the number of channels and context variables
2245
2246	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2247	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2248
2249	//----------------------------------------------------------
2250
2251	Int firstCtx = MAX_INT;
2252	Int numCtx = MAX_INT;
2253
2254	if ((width == 4) && (height == 4))
2255	{
2256	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_4x4];
2257	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_4x4];
2258	}
2259	else if ((width == 8) && (height == 8))
2260	{
2261	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_8x8];
2262	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_8x8];
2263	}
2264	else
2265	{
2266	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_NxN];
2267	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_NxN];
2268	}
2269
2270	//--------------------------------------------------------------------------------------------------
2271
2272	//fill the data for the significace map
2273
2274	for (UInt component = firstComponent; component <= lastComponent; component++)
2275	{
2276	const UInt contextOffset = getSignificanceMapContextOffset(ComponentID(component));
2277
2278	if (firstCtx > 0)
2279	{
2280	for( UInt bin = 0; bin < 2; bin++ ) //always get the DC
2281	{
2282	pcEstBitsSbac->significantBits[ contextOffset ][ bin ] = m_cCUSigSCModel.get( 0, 0, contextOffset ).getEntropyBits( bin );
2283	}
2284	}
2285
2286	// This could be made optional, but would require this function to have knowledge of whether the
2287	// TU is transform-skipped or transquant-bypassed and whether the SPS flag is set
2288	for( UInt bin = 0; bin < 2; bin++ )
2289	{
2290	const Int ctxIdx = significanceMapContextSetStart[chType][CONTEXT_TYPE_SINGLE];
2291	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ bin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( bin );
2292	}
2293
2294	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2295	{
2296	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2297	{
2298	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( uiBin );
2299	}
2300	}
2301	}
2302
2303	//--------------------------------------------------------------------------------------------------
2304	}
2305
2306
2307	/*!
2308	****************************************************************************
2309	* \brief
2310	* estimate bit cost of significant coefficient
2311	****************************************************************************
2312	*/
2313
2314	Void TEncSbac::estLastSignificantPositionBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2315	{
2316	//--------------------------------------------------------------------------------------------------.
2317
2318	//set up the number of channels
2319
2320	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2321	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2322
2323	//--------------------------------------------------------------------------------------------------
2324
2325	//fill the data for the last-significant-coefficient position
2326
2327	for (UInt componentIndex = firstComponent; componentIndex <= lastComponent; componentIndex++)
2328	{
2329	const ComponentID component = ComponentID(componentIndex);
2330
2331	Int iBitsX = 0, iBitsY = 0;
2332
2333	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2334	getLastSignificantContextParameters(ComponentID(component), width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
2335
2336	Int ctx;
2337
2338	const ChannelType channelType = toChannelType(ComponentID(component));
2339
2340	ContextModel *const pCtxX = m_cCuCtxLastX.get( 0, channelType );
2341	ContextModel *const pCtxY = m_cCuCtxLastY.get( 0, channelType );
2342	Int *const lastXBitsArray = pcEstBitsSbac->lastXBits[channelType];
2343	Int *const lastYBitsArray = pcEstBitsSbac->lastYBits[channelType];
2344
2345	//------------------------------------------------
2346
2347	//X-coordinate
2348
2349	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2350	{
2351	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2352	lastXBitsArray[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2353	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2354	}
2355
2356	lastXBitsArray[ctx] = iBitsX;
2357
2358	//------------------------------------------------
2359
2360	//Y-coordinate
2361
2362	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2363	{
2364	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2365	lastYBitsArray[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2366	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2367	}
2368
2369	lastYBitsArray[ctx] = iBitsY;
2370
2371	} //end of component loop
2372
2373	//--------------------------------------------------------------------------------------------------
2374	}
2375
2376
2377	/*!
2378	****************************************************************************
2379	* \brief
2380	* estimate bit cost of significant coefficient
2381	****************************************************************************
2382	*/
2383	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2384	{
2385	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2386	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2387
2388	const UInt oneStartIndex = ((isLuma(chType)) ? (0) : (NUM_ONE_FLAG_CTX_LUMA));
2389	const UInt oneStopIndex = ((isLuma(chType)) ? (NUM_ONE_FLAG_CTX_LUMA) : (NUM_ONE_FLAG_CTX));
2390	const UInt absStartIndex = ((isLuma(chType)) ? (0) : (NUM_ABS_FLAG_CTX_LUMA));
2391	const UInt absStopIndex = ((isLuma(chType)) ? (NUM_ABS_FLAG_CTX_LUMA) : (NUM_ABS_FLAG_CTX));
2392
2393	for (Int ctxIdx = oneStartIndex; ctxIdx < oneStopIndex; ctxIdx++)
2394	{
2395	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2396	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2397	}
2398
2399	for (Int ctxIdx = absStartIndex; ctxIdx < absStopIndex; ctxIdx++)
2400	{
2401	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2402	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2403	}
2404	}
2405
2406	/**
2407	- Initialize our context information from the nominated source.
2408	.
2409	\param pSrc From where to copy context information.
2410	*/
2411	Void TEncSbac::xCopyContextsFrom( const TEncSbac* pSrc )
2412	{
2413	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2414	memcpy(m_golombRiceAdaptationStatistics, pSrc->m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2415	}
2416
2417	Void TEncSbac::loadContexts ( const TEncSbac* pSrc)
2418	{
2419	xCopyContextsFrom(pSrc);
2420	}
2421
2422	/** Performs CABAC encoding of the explicit RDPCM mode
2423	* \param rTu current TU data structure
2424	* \param compID component identifier
2425	*/
2426	Void TEncSbac::codeExplicitRdpcmMode( TComTU &rTu, const ComponentID compID )
2427	{
2428	TComDataCU *cu = rTu.getCU();
2429	const TComRectangle &rect = rTu.getRect(compID);
2430	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
2431	const UInt tuHeight = g_aucConvertToBit[rect.height];
2432	const UInt tuWidth = g_aucConvertToBit[rect.width];
2433
2434	assert(tuHeight == tuWidth);
2435	assert(tuHeight < 4);
2436
2437	UInt explicitRdpcmMode = cu->getExplicitRdpcmMode(compID, absPartIdx);
2438
2439	if( explicitRdpcmMode == RDPCM_OFF )
2440	{
2441	m_pcBinIf->encodeBin (0, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2442	}
2443	else if( explicitRdpcmMode == RDPCM_HOR \|\| explicitRdpcmMode == RDPCM_VER )
2444	{
2445	m_pcBinIf->encodeBin (1, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2446	if(explicitRdpcmMode == RDPCM_HOR)
2447	{
2448	m_pcBinIf->encodeBin ( 0, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2449	}
2450	else
2451	{
2452	m_pcBinIf->encodeBin ( 1, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2453	}
2454	}
2455	else
2456	{
2457	assert(0);
2458	}
2459	}
2460
2461	#if NH_3D_DMM \|\| NH_3D_SDC_INTRA \|\| NH_3D_SDC_INTER
2462	Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx )
2463	{
2464	#if NH_3D_SDC_INTRA \|\| NH_3D_SDC_INTER
2465	if( !(pcCU->getSDCFlag( absPartIdx )) )
2466	#endif
2467	#if NH_3D_DMM
2468	if( !(pcCU->isIntra( absPartIdx ) && isDmmMode( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx ) )) )
2469	#endif
2470	assert( 0 );
2471
2472	UInt uiNumSegments = 1;
2473	#if NH_3D_DMM
2474	uiNumSegments = isDmmMode( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx ) ) ? 2 : 1;
2475	#endif
2476
2477	UInt hasDeltaDC = 1;
2478	#if NH_3D_SDC_INTRA
2479	if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx ))
2480	{
2481	if( uiNumSegments == 1 )
2482	{
2483	hasDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0;
2484	}
2485	else
2486	{
2487	hasDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) \|\| pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0;
2488	}
2489	m_pcBinIf->encodeBin( hasDeltaDC, m_cDdcFlagSCModel.get( 0, 0, 0 ) );
2490	}
2491	#endif
2492
2493	if( hasDeltaDC )
2494	{
2495	for( UInt segment = 0; segment < uiNumSegments; segment++ )
2496	{
2497	Pel deltaDC = 0;
2498	if( pcCU->isIntra( absPartIdx ) )
2499	{
2500	#if NH_3D_SDC_INTRA
2501	if( pcCU->getSDCFlag( absPartIdx ) )
2502	{
2503	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2504	}
2505	else
2506	{
2507	#endif
2508	#if NH_3D_DMM
2509	deltaDC = pcCU->getDmmDeltaDC( getDmmType( pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx ) ), segment, absPartIdx );
2510	#endif
2511	#if NH_3D_SDC_INTRA
2512	}
2513	#endif
2514	}
2515	#if NH_3D_SDC_INTER
2516	else
2517	{
2518	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2519	}
2520	#endif
2521	xCodeDeltaDC( deltaDC, uiNumSegments );
2522	}
2523	}
2524	}
2525
2526	Void TEncSbac::xCodeDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
2527	{
2528	#if ENC_DEC_TRACE && H_MV_ENC_DEC_TRAC
2529	DTRACE_CU("delta_dc", valDeltaDC);
2530	#endif
2531	xWriteExGolombLevelDdc( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ) );
2532	if( valDeltaDC != 0 )
2533	{
2534	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
2535	m_pcBinIf->encodeBinEP( uiSign );
2536	}
2537	}
2538
2539	Void TEncSbac::xWriteExGolombLevelDdc( UInt uiSymbol )
2540	{
2541	if( uiSymbol )
2542	{
2543	m_pcBinIf->encodeBin( 1, m_cDdcDataSCModel.get(0, 0, 0) );
2544	UInt uiCount = 0;
2545	Bool bNoExGo = ( uiSymbol < 3 );
2546
2547	while( --uiSymbol && ++uiCount < 3 )
2548	{
2549	m_pcBinIf->encodeBin( 1, m_cDdcDataSCModel.get(0, 0, 0) );
2550	}
2551	if( bNoExGo )
2552	{
2553	m_pcBinIf->encodeBin( 0, m_cDdcDataSCModel.get(0, 0, 0) );
2554	}
2555	else
2556	{
2557	xWriteEpExGolomb( uiSymbol, 0 );
2558	}
2559	}
2560	else
2561	{
2562	m_pcBinIf->encodeBin( 0, m_cDdcDataSCModel.get(0, 0, 0) );
2563	}
2564
2565	return;
2566	}
2567	#endif
2568
2569	#if NH_3D_DMM
2570	Void TEncSbac::xCodeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
2571	{
2572	UInt dir = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx );
2573
2574	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
2575	{
2576	m_pcBinIf->encodeBin( isDmmMode( dir ) ? 0 : 1, m_cNotDmmFlagSCModel.get( 0, 0, 0 ) );
2577	}
2578	if( isDmmMode( dir ) )
2579	{
2580	UInt uiCodeIdx = 0;
2581
2582	switch( getDmmType( dir ) )
2583	{
2584	case DMM1_IDX: uiCodeIdx = 0; break;
2585	case DMM4_IDX: uiCodeIdx = 1; break;
2586	default: break;
2587	}
2588	//mode coding
2589	if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag())
2590	{
2591	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDmmModeSCModel.get( 0, 0, 0 ) );
2592	}
2593	}
2594	}
2595
2596	Void TEncSbac::xCodeDmmData( TComDataCU* pcCU, UInt absPartIdx )
2597	{
2598	UInt dir = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx );
2599	switch( getDmmType( dir ) )
2600	{
2601	case( DMM1_IDX ): { xCodeDmm1WedgeIdx( pcCU->getDmm1WedgeTabIdx( absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] ); } break;
2602	case( DMM4_IDX ): break;
2603	default: break;
2604	}
2605	}
2606
2607	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
2608	{
2609	for ( Int i = 0; i < iNumBit; i++ )
2610	{
2611	m_pcBinIf->encodeBinEP( ( uiTabIdx >> i ) & 1 );
2612	}
2613	}
2614	#endif
2615
2616	#if NH_3D_SDC_INTRA \|\| NH_3D_SDC_INTER
2617	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2618	{
2619	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2620	#if ENC_DEC_TRACE && H_MV_ENC_DEC_TRAC
2621	DTRACE_CU("dc_only_flag", uiSymbol)
2622	#endif
2623	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, 0 ) );
2624	}
2625
2626	#endif
2627
2628	#if NH_3D_DBBP
2629	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2630	{
2631	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2632	AOF( ePartSize == SIZE_2NxN \|\| ePartSize == SIZE_Nx2N );
2633	AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() );
2634	AOF( !pcCU->getSlice()->getIsDepth() );
2635
2636	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2637	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2638	DTRACE_CU("dbbp_flag", uiSymbol)
2639	}
2640	#endif
2641
2642	//! \}

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