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TEncSbac.cpp @ 1256

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Last change on this file since 1256 was 1256, checked in by liu, 9 years ago
-Integration of QTL
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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 H_3D
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 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	#if H_3D_DIM
104	, m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	, m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
108	#if H_3D_DIM_SDC
109	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
111	#endif
112	#endif
113	#if H_3D_DIM_SDC
114	, m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
115	#endif
116	#if H_3D_DBBP
117	, m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
118	#endif
119	{
120	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
121	}
122
123	TEncSbac::~TEncSbac()
124	{
125	}
126
127	// ====================================================================================================================
128	// Public member functions
129	// ====================================================================================================================
130
131	Void TEncSbac::resetEntropy (const TComSlice *pSlice)
132	{
133	Int iQp = pSlice->getSliceQp();
134	SliceType eSliceType = pSlice->getSliceType();
135
136	SliceType encCABACTableIdx = pSlice->getEncCABACTableIdx();
137	if (!pSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && pSlice->getPPS()->getCabacInitPresentFlag())
138	{
139	eSliceType = encCABACTableIdx;
140	}
141
142	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
143	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
144	#if H_3D
145	m_cCUDISFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_FLAG );
146	m_cCUDISTypeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_TYPE );
147	#endif
148	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
149	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
150	#if H_3D_ARP
151	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
152	#endif
153	#if NH_3D_IC
154	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
155	#endif
156	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
157	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
158	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
159	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
160	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
161	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
162	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
163	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
164	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
165	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
166	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
167	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
168	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
169	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
170	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
171	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
172	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
173	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
174	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
175	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
176	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
177	m_CUTransquantBypassFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
178	m_explicitRdpcmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG);
179	m_explicitRdpcmDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EXPLICIT_RDPCM_DIR);
180	m_cCrossComponentPredictionSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CROSS_COMPONENT_PREDICTION );
181	m_ChromaQpAdjFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG );
182	m_ChromaQpAdjIdcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_QP_ADJ_IDC );
183	#if H_3D_DIM
184	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
185	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
186	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
187	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
188	#if H_3D_DIM_SDC
189	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
190	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
191	#endif
192	#endif
193	#if H_3D_DIM_SDC
194	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
195	#endif
196	#if H_3D_DBBP
197	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
198	#endif
199
200	for (UInt statisticIndex = 0; statisticIndex < RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS ; statisticIndex++)
201	{
202	m_golombRiceAdaptationStatistics[statisticIndex] = 0;
203	}
204
205	m_pcBinIf->start();
206
207	return;
208	}
209
210	/** The function does the following:
211	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
212	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
213	*/
214	SliceType TEncSbac::determineCabacInitIdx(const TComSlice *pSlice)
215	{
216	Int qp = pSlice->getSliceQp();
217
218	if (!pSlice->isIntra())
219	{
220	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
221
222	UInt bestCost = MAX_UINT;
223	SliceType bestSliceType = aSliceTypeChoices[0];
224	for (UInt idx=0; idx<2; idx++)
225	{
226	UInt curCost = 0;
227	SliceType curSliceType = aSliceTypeChoices[idx];
228
229	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
230	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
231	#if H_3D
232	curCost += m_cCUDISFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DIS_FLAG );
233	curCost += m_cCUDISTypeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DIS_TYPE );
234	#endif
235	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
236	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
237	#if H_3D_ARP
238	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
239	#endif
240	#if NH_3D_IC
241	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
242	#endif
243	#if H_3D_DIM_SDC
244	curCost += m_cSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SDC_FLAG );
245	#endif
246	#if H_3D_DBBP
247	curCost += m_cDBBPFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DBBP_FLAG );
248	#endif
249	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
250	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
251	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
252	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
253	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
254	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
255	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
256	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
257	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
258	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
259	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
260	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
261	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
262	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
263	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
264	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
265	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
266	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
267	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
268	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
269	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
270	curCost += m_CUTransquantBypassFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
271	curCost += m_explicitRdpcmFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG);
272	curCost += m_explicitRdpcmDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_DIR);
273	curCost += m_cCrossComponentPredictionSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CROSS_COMPONENT_PREDICTION );
274	curCost += m_ChromaQpAdjFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG );
275	curCost += m_ChromaQpAdjIdcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_IDC );
276	#if H_3D_DIM
277	if( m_pcSlice->getIntraSdcWedgeFlag() \|\| m_pcSlice->getIntraContourFlag() )
278	{
279	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
280	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
281	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
282	curCost += m_cAngleFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ANGLE_FLAG );
283	}
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	#if H_3D
301	m_cCUDISFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_FLAG );
302	m_cCUDISTypeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_TYPE );
303	#endif
304	#if H_3D_ARP
305	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
306	#endif
307	#if H_3D_DIM
308	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
309	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
310	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
311	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
312	#if H_3D_DIM_SDC
313	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
314	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
315	#endif
316	#endif
317	#if H_3D_DIM_SDC
318	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
319	#endif
320	#if H_3D_DBBP
321	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
322	#endif
323
324
325	Void TEncSbac::codeVPS( const TComVPS* /pcVPS/ )
326	{
327	assert (0);
328	return;
329	}
330
331	Void TEncSbac::codeSPS( const TComSPS* /pcSPS/ )
332	{
333	assert (0);
334	return;
335	}
336
337	Void TEncSbac::codePPS( const TComPPS* /pcPPS/ )
338	{
339	assert (0);
340	return;
341	}
342
343	Void TEncSbac::codeSliceHeader( TComSlice* /pcSlice/ )
344	{
345	assert (0);
346	return;
347	}
348
349	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* /pSlice/ )
350	{
351	assert (0);
352	return;
353	}
354
355	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
356	{
357	m_pcBinIf->encodeBinTrm( uilsLast );
358	}
359
360	Void TEncSbac::codeSliceFinish()
361	{
362	m_pcBinIf->finish();
363	}
364
365	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
366	{
367	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
368
369	if( 0 == uiSymbol)
370	{
371	return;
372	}
373
374	while( uiSymbol-- )
375	{
376	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
377	}
378
379	return;
380	}
381
382	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
383	{
384	if (uiMaxSymbol == 0)
385	{
386	return;
387	}
388
389	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
390
391	if ( uiSymbol == 0 )
392	{
393	return;
394	}
395
396	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
397
398	while( --uiSymbol )
399	{
400	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
401	}
402	if( bCodeLast )
403	{
404	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
405	}
406
407	return;
408	}
409
410	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
411	{
412	UInt bins = 0;
413	Int numBins = 0;
414
415	while( uiSymbol >= (UInt)(1<<uiCount) )
416	{
417	bins = 2 * bins + 1;
418	numBins++;
419	uiSymbol -= 1 << uiCount;
420	uiCount ++;
421	}
422	bins = 2 * bins + 0;
423	numBins++;
424
425	bins = (bins << uiCount) \| uiSymbol;
426	numBins += uiCount;
427
428	assert( numBins <= 32 );
429	m_pcBinIf->encodeBinsEP( bins, numBins );
430	}
431
432	#if H_3D
433	Void TEncSbac::codeDIS( TComDataCU* pcCU, UInt uiAbsPartIdx )
434	{
435	UInt uiSymbol = pcCU->getDISFlag(uiAbsPartIdx ) ? 1 : 0;
436	m_pcBinIf->encodeBin( uiSymbol, m_cCUDISFlagSCModel.get( 0, 0, 0 ) );
437	if(uiSymbol)
438	{
439	UInt uiUnaryIdx = (UInt) pcCU->getDISType(uiAbsPartIdx);
440	UInt uiNumCand = 4;
441
442	if ( uiNumCand > 1 )
443	{
444	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
445	{
446	const UInt uiSymbol2 = ui == uiUnaryIdx ? 0 : 1;
447	if ( ui == 0 )
448	{
449	m_pcBinIf->encodeBin( uiSymbol2, m_cCUDISTypeSCModel.get( 0, 0, 0 ) );
450	}
451	else
452	{
453	m_pcBinIf->encodeBinEP( uiSymbol2 );
454	}
455	if( uiSymbol2 == 0 )
456	{
457	break;
458	}
459	}
460	}
461	}
462	}
463	#endif
464
465
466	/** Coding of coeff_abs_level_minus3
467	* \param symbol value of coeff_abs_level_minus3
468	* \param rParam reference to Rice parameter
469	* \param useLimitedPrefixLength
470	* \param maxLog2TrDynamicRange
471	*/
472	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange )
473	{
474	Int codeNumber = (Int)symbol;
475	UInt length;
476
477	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
478	{
479	length = codeNumber>>rParam;
480	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
481	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
482	}
483	else if (useLimitedPrefixLength)
484	{
485	const UInt maximumPrefixLength = (32 - (COEF_REMAIN_BIN_REDUCTION + maxLog2TrDynamicRange));
486
487	UInt prefixLength = 0;
488	UInt suffixLength = MAX_UINT;
489	UInt codeValue = (symbol >> rParam) - COEF_REMAIN_BIN_REDUCTION;
490
491	if (codeValue >= ((1 << maximumPrefixLength) - 1))
492	{
493	prefixLength = maximumPrefixLength;
494	suffixLength = maxLog2TrDynamicRange - rParam;
495	}
496	else
497	{
498	while (codeValue > ((2 << prefixLength) - 2))
499	{
500	prefixLength++;
501	}
502
503	suffixLength = prefixLength + 1; //+1 for the separator bit
504	}
505
506	const UInt suffix = codeValue - ((1 << prefixLength) - 1);
507
508	const UInt totalPrefixLength = prefixLength + COEF_REMAIN_BIN_REDUCTION;
509	const UInt prefix = (1 << totalPrefixLength) - 1;
510	const UInt rParamBitMask = (1 << rParam) - 1;
511
512	m_pcBinIf->encodeBinsEP( prefix, totalPrefixLength ); //prefix
513	m_pcBinIf->encodeBinsEP(((suffix << rParam) \| (symbol & rParamBitMask)), (suffixLength + rParam)); //separator, suffix, and rParam bits
514	}
515	else
516	{
517	length = rParam;
518	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
519
520	while (codeNumber >= (1<<length))
521	{
522	codeNumber -= (1<<(length++));
523	}
524
525	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
526	m_pcBinIf->encodeBinsEP(codeNumber,length);
527	}
528	}
529	#if H_3D_DIM
530	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
531	{
532	if( uiSymbol )
533	{
534	m_pcBinIf->encodeBin( 1, rcSCModel );
535	UInt uiCount = 0;
536	Bool bNoExGo = ( uiSymbol < 3 );
537
538	while( --uiSymbol && ++uiCount < 3 )
539	{
540	m_pcBinIf->encodeBin( 1, rcSCModel );
541	}
542	if( bNoExGo )
543	{
544	m_pcBinIf->encodeBin( 0, rcSCModel );
545	}
546	else
547	{
548	xWriteEpExGolomb( uiSymbol, 0 );
549	}
550	}
551	else
552	{
553	m_pcBinIf->encodeBin( 0, rcSCModel );
554	}
555
556	return;
557	}
558
559	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
560	{
561	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
562	if( valDeltaDC != 0 )
563	{
564	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
565	m_pcBinIf->encodeBinEP( uiSign );
566	}
567	}
568
569	#if H_3D_DIM_DMM
570	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
571	{
572	for ( Int i = 0; i < iNumBit; i++ )
573	{
574	m_pcBinIf->encodeBinEP( ( uiTabIdx >> i ) & 1 );
575	}
576	}
577
578	#endif
579	#endif
580
581	// SBAC RD
582	Void TEncSbac::load ( const TEncSbac* pSrc)
583	{
584	this->xCopyFrom(pSrc);
585	}
586
587	Void TEncSbac::loadIntraDirMode( const TEncSbac* pSrc, const ChannelType chType )
588	{
589	m_pcBinIf->copyState( pSrc->m_pcBinIf );
590	if (isLuma(chType))
591	{
592	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
593	}
594	else
595	{
596	this->m_cCUChromaPredSCModel .copyFrom( &pSrc->m_cCUChromaPredSCModel );
597	}
598	}
599
600	#if H_3D_DIM
601	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
602	{
603	m_pcBinIf->copyState( pSrc->m_pcBinIf );
604
605	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
606	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
607	this->m_cAngleFlagSCModel .copyFrom( &pSrc->m_cAngleFlagSCModel );
608	}
609	#endif
610
611
612	Void TEncSbac::store( TEncSbac* pDest) const
613	{
614	pDest->xCopyFrom( this );
615	}
616
617
618	Void TEncSbac::xCopyFrom( const TEncSbac* pSrc )
619	{
620	m_pcBinIf->copyState( pSrc->m_pcBinIf );
621	xCopyContextsFrom(pSrc);
622	}
623
624	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
625	{
626	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
627	Int iNum = AMVP_MAX_NUM_CANDS;
628
629	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
630	#if H_MV_ENC_DEC_TRAC
631	#if ENC_DEC_TRACE
632	if ( eRefList == REF_PIC_LIST_0 )
633	{
634	DTRACE_PU("mvp_l0_flag", iSymbol)
635	}
636	else
637	{
638	DTRACE_PU("mvp_l1_flag", iSymbol)
639	}
640	#endif
641	#endif
642	}
643
644	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
645	{
646	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
647	#if NH_3D_QTLPC
648	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
649	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
650	Bool bDepthMapDetect = (pcTexture != NULL);
651	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
652
653	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);
654
655	Bool depthDependent = false;
656	UInt uiTexturePart = eSize;
657
658	#if H_3D_FCO
659	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark())
660	#else
661	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
662	#endif
663	{
664	TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr());
665	UInt uiCUIdx = (pcCU->getZorderIdxInCtu() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCtu();
666	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
667	if(pcTextureCU->getDepth(uiCUIdx) == uiDepth )
668	{
669	depthDependent = true;
670	uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx );
671	}
672	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N)
673	{
674	assert( eSize == SIZE_2Nx2N );
675	return;
676	}
677	}
678	#endif
679	const UInt log2DiffMaxMinCodingBlockSize = pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize();
680
681	if ( pcCU->isIntra( uiAbsPartIdx ) )
682	{
683	if( uiDepth == log2DiffMaxMinCodingBlockSize )
684	{
685	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
686	#if H_MV_ENC_DEC_TRAC
687	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
688	#endif
689
690	}
691	return;
692	}
693	#if H_MV_ENC_DEC_TRAC
694	DTRACE_CU("part_mode", eSize )
695	#endif
696	#if NH_3D_QTLPC
697	if (depthDependent==false \|\| uiTexturePart == SIZE_NxN\|\| uiTexturePart == SIZE_2Nx2N)
698	{
699	#endif
700
701	switch(eSize)
702	{
703	case SIZE_2Nx2N:
704	{
705	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
706	break;
707	}
708	case SIZE_2NxN:
709	case SIZE_2NxnU:
710	case SIZE_2NxnD:
711	{
712	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
713	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
714	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
715	{
716	if (eSize == SIZE_2NxN)
717	{
718	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
719	}
720	else
721	{
722	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
723	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
724	}
725	}
726	break;
727	}
728	case SIZE_Nx2N:
729	case SIZE_nLx2N:
730	case SIZE_nRx2N:
731	{
732	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
733	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
734
735	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
736	{
737	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
738	}
739
740	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
741	{
742	if (eSize == SIZE_Nx2N)
743	{
744	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
745	}
746	else
747	{
748	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
749	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
750	}
751	}
752	break;
753	}
754	case SIZE_NxN:
755	{
756	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
757	{
758	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
759	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
760	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
761	}
762	break;
763	}
764	default:
765	{
766	assert(0);
767	break;
768	}
769	}
770	#if NH_3D_QTLPC
771	}
772	else if(uiTexturePart == SIZE_2NxN \|\| uiTexturePart == SIZE_2NxnU \|\| uiTexturePart == SIZE_2NxnD)
773	{
774	//assert(eSize!=SIZE_NxN);
775	//assert(eSize!=SIZE_Nx2N);
776	//assert(eSize==SIZE_2Nx2N \|\| eSize==SIZE_2NxN \|\| eSize==SIZE_2NxnU \|\| eSize==SIZE_2NxnD);
777	switch(eSize)
778	{
779	case SIZE_2Nx2N:
780	{
781	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
782	break;
783	}
784	case SIZE_2NxN:
785	{
786	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
787	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
788	{
789	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
790	}
791	break;
792	}
793	case SIZE_2NxnU:
794	case SIZE_2NxnD:
795	{
796	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
797	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
798	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
799	break;
800	}
801	default:
802	{
803	assert(0);
804	}
805	}
806	}
807	else if(uiTexturePart == SIZE_Nx2N\|\| uiTexturePart==SIZE_nLx2N \|\| uiTexturePart==SIZE_nRx2N)
808	{
809	//assert(eSize!=SIZE_NxN);
810	//assert(eSize!=SIZE_2NxN);
811	//assert(eSize==SIZE_2Nx2N \|\|eSize==SIZE_Nx2N \|\| eSize==SIZE_nLx2N \|\| eSize==SIZE_nRx2N);
812	switch(eSize)
813	{
814	case SIZE_2Nx2N:
815	{
816	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
817	break;
818	}
819	case SIZE_Nx2N:
820	{
821	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
822	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
823	{
824	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
825	}
826	break;
827	}
828	case SIZE_nLx2N:
829	case SIZE_nRx2N:
830	{
831	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
832	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
833	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
834	break;
835	}
836	default:
837	{
838	assert(0);
839	}
840	}
841	}
842	else
843	{
844	printf("uiTexturePart=%d",uiTexturePart);
845	assert(0);
846	}
847	#endif
848
849	}
850
851
852	/** code prediction mode
853	* \param pcCU
854	* \param uiAbsPartIdx
855	* \returns Void
856	*/
857	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
858	{
859	#if H_3D_DIM_SDC
860	if ( pcCU->getSlice()->isIntra() )
861	{
862	assert( pcCU->isIntra(uiAbsPartIdx) );
863	return;
864	}
865	#endif
866
867	// get context function is here
868	m_pcBinIf->encodeBin( pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
869	#if H_MV_ENC_DEC_TRAC
870	DTRACE_CU("pred_mode_flag", pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0);
871	#endif
872
873	}
874
875	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
876	{
877	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
878	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
879	#if H_MV_ENC_DEC_TRAC
880	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
881	#endif
882
883	}
884
885	/** code skip flag
886	* \param pcCU
887	* \param uiAbsPartIdx
888	* \returns Void
889	*/
890	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
891	{
892	// get context function is here
893	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
894	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
895	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
896	#if !H_MV_ENC_DEC_TRAC
897	DTRACE_CABAC_VL( g_nSymbolCounter++ );
898	DTRACE_CABAC_T( "\tSkipFlag" );
899	DTRACE_CABAC_T( "\tuiCtxSkip: ");
900	DTRACE_CABAC_V( uiCtxSkip );
901	DTRACE_CABAC_T( "\tuiSymbol: ");
902	DTRACE_CABAC_V( uiSymbol );
903	DTRACE_CABAC_T( "\n");
904	#else
905	DTRACE_CU("cu_skip_flag", uiSymbol);
906	#endif
907	}
908
909	/** code merge flag
910	* \param pcCU
911	* \param uiAbsPartIdx
912	* \returns Void
913	*/
914	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
915	{
916	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
917	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
918
919	#if H_MV_ENC_DEC_TRAC
920	DTRACE_PU("merge_flag", uiSymbol);
921	#else
922	DTRACE_CABAC_VL( g_nSymbolCounter++ );
923	DTRACE_CABAC_T( "\tMergeFlag: " );
924	DTRACE_CABAC_V( uiSymbol );
925	DTRACE_CABAC_T( "\tAddress: " );
926	DTRACE_CABAC_V( pcCU->getCtuRsAddr() );
927	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
928	DTRACE_CABAC_V( uiAbsPartIdx );
929	DTRACE_CABAC_T( "\n" );
930	#endif
931	}
932
933	/** code merge index
934	* \param pcCU
935	* \param uiAbsPartIdx
936	* \returns Void
937	*/
938	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
939	{
940	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
941	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
942	if ( uiNumCand > 1 )
943	{
944	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
945	{
946	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
947	if ( ui==0 )
948	{
949	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
950	}
951	else
952	{
953	m_pcBinIf->encodeBinEP( uiSymbol );
954	}
955	if( uiSymbol == 0 )
956	{
957	break;
958	}
959	}
960	#if H_MV_ENC_DEC_TRAC
961	DTRACE_PU("merge_idx", uiUnaryIdx);
962	#endif
963	}
964	#if !H_MV_ENC_DEC_TRAC
965	DTRACE_CABAC_VL( g_nSymbolCounter++ );
966	DTRACE_CABAC_T( "\tparseMergeIndex()" );
967	DTRACE_CABAC_T( "\tuiMRGIdx= " );
968	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
969	DTRACE_CABAC_T( "\n" );
970	#endif
971	}
972
973	#if H_3D_ARP
974	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
975	{
976	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
977	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
978	assert( iMaxW > 0);
979
980	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
981	Int nBinNum = iW + ( iW != iMaxW );
982	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
983	if( nBinNum > 1 )
984	{
985	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) );
986	}
987	#if H_MV_ENC_DEC_TRAC
988	DTRACE_CU("iv_res_pred_weight_idx", iW);
989	#endif
990	}
991	#endif
992
993	#if NH_3D_IC
994	/** code Illumination Compensation flag
995	* \param pcCU
996	* \param uiAbsPartIdx
997	* \returns Void
998	*/
999	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1000	{
1001	// get context function is here
1002	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
1003	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) );
1004	#if !H_MV_ENC_DEC_TRAC
1005	DTRACE_CABAC_VL( g_nSymbolCounter++ );
1006	DTRACE_CABAC_T( "\tICFlag" );
1007	DTRACE_CABAC_T( "\tuiSymbol: ");
1008	DTRACE_CABAC_V( uiSymbol );
1009	DTRACE_CABAC_T( "\n");
1010	#else
1011	DTRACE_CU("ic_flag", uiSymbol );
1012	#endif
1013	}
1014	#endif
1015
1016
1017	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1018	{
1019	if( uiDepth == pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize() )
1020	{
1021	return;
1022	}
1023
1024	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
1025	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
1026
1027	assert( uiCtx < 3 );
1028	#if NH_3D_QTLPC
1029	Bool bCodeSplitFlag = true;
1030
1031
1032	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
1033	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
1034	Bool bDepthMapDetect = (pcTexture != NULL);
1035	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
1036
1037	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);
1038
1039	#if H_3D_FCO
1040	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark() )
1041	#else
1042	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
1043	#endif
1044	{
1045	TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr());
1046	UInt uiCUIdx = (pcCU->getZorderIdxInCtu() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCtu();
1047	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
1048	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
1049	}
1050
1051	if(!bCodeSplitFlag)
1052	{
1053	assert(uiCurrSplitFlag == 0);
1054	return;
1055	}
1056	#endif
1057
1058	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
1059	#if !H_MV_ENC_DEC_TRAC
1060	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1061	DTRACE_CABAC_T( "\tSplitFlag\n" )
1062	#else
1063	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1064	#endif
1065	return;
1066	}
1067
1068	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1069	{
1070	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1071	#if !H_MV_ENC_DEC_TRAC
1072	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1073	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1074	DTRACE_CABAC_T( "\tsymbol=" )
1075	DTRACE_CABAC_V( uiSymbol )
1076	DTRACE_CABAC_T( "\tctx=" )
1077	DTRACE_CABAC_V( uiCtx )
1078	DTRACE_CABAC_T( "\n" )
1079	#else
1080	DTRACE_TU("split_transform_flag", uiSymbol )
1081	#endif
1082
1083	}
1084
1085
1086	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1087	{
1088	UInt dir[4],j;
1089	Int preds[4][NUM_MOST_PROBABLE_MODES] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1090	Int predIdx[4] ={ -1,-1,-1,-1};
1091	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1092	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1093	UInt partOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1094	for (j=0;j<partNum;j++)
1095	{
1096	dir[j] = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j );
1097	#if H_3D_DIM
1098	if( pcCU->getSlice()->getIntraSdcWedgeFlag() \|\| pcCU->getSlice()->getIntraContourFlag() )
1099	{
1100	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1101	}
1102	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1103	{
1104	#endif
1105	pcCU->getIntraDirPredictor(absPartIdx+partOffset*j, preds[j], COMPONENT_Y);
1106	for(UInt i = 0; i < NUM_MOST_PROBABLE_MODES; i++)
1107	{
1108	if(dir[j] == preds[j][i])
1109	{
1110	predIdx[j] = i;
1111	}
1112	}
1113	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1114	#if H_MV_ENC_DEC_TRAC
1115	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1116	#endif
1117	#if H_3D_DIM
1118	}
1119	#endif
1120
1121	}
1122	for (j=0;j<partNum;j++)
1123	{
1124	#if H_3D_DIM
1125	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1126	{
1127	#endif
1128	if(predIdx[j] != -1)
1129	{
1130	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1131	if (predIdx[j])
1132	{
1133	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1134	}
1135	#if H_MV_ENC_DEC_TRAC
1136	DTRACE_CU("mpm_idx", predIdx[j] );
1137	#endif
1138	}
1139	else
1140	{
1141	if (preds[j][0] > preds[j][1])
1142	{
1143	std::swap(preds[j][0], preds[j][1]);
1144	}
1145	if (preds[j][0] > preds[j][2])
1146	{
1147	std::swap(preds[j][0], preds[j][2]);
1148	}
1149	if (preds[j][1] > preds[j][2])
1150	{
1151	std::swap(preds[j][1], preds[j][2]);
1152	}
1153	for(Int i = (Int(NUM_MOST_PROBABLE_MODES) - 1); i >= 0; i--)
1154	{
1155	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1156	}
1157	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1158	#if H_MV_ENC_DEC_TRAC
1159	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1160	#endif
1161	}
1162	#if H_3D_DIM
1163	}
1164	#endif
1165	}
1166	return;
1167	}
1168
1169	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1170	{
1171	UInt uiIntraDirChroma = pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx );
1172
1173	if( uiIntraDirChroma == DM_CHROMA_IDX )
1174	{
1175	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1176	#if H_MV_ENC_DEC_TRAC
1177	DTRACE_CU("intra_chroma_pred_mode", 0 );
1178	#endif
1179	}
1180	else
1181	{
1182	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1183
1184	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1185	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1186
1187	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1188	{
1189	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1190	{
1191	uiIntraDirChroma = i;
1192	break;
1193	}
1194	}
1195
1196	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1197	#if H_MV_ENC_DEC_TRAC
1198	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1199	#endif
1200
1201	}
1202
1203	return;
1204	}
1205
1206	#if H_3D_DIM
1207	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1208	{
1209	codeIntraDepthMode( pcCU, absPartIdx );
1210
1211	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1212	UInt dimType = getDimType( dir );
1213
1214	switch( dimType )
1215	{
1216	#if H_3D_DIM_DMM
1217	case( DMM1_IDX ):
1218	{
1219	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1220	} break;
1221	case( DMM4_IDX ): break;
1222	#endif
1223	default: break;
1224	}
1225	}
1226
1227	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1228	{
1229	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1230
1231	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
1232	{
1233	m_pcBinIf->encodeBin( isDimMode( dir ) ? 0 : 1, m_cAngleFlagSCModel.get( 0, 0, 0 ) );
1234	}
1235	if( isDimMode( dir ) )
1236	{
1237	UInt uiCodeIdx = 0;
1238
1239	switch( getDimType( dir ) )
1240	{
1241	case DMM1_IDX: uiCodeIdx = 0; break;
1242	case DMM4_IDX: uiCodeIdx = 1; break;
1243	default: break;
1244	}
1245	//mode coding
1246	if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag())
1247	{
1248	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) );
1249	}
1250	}
1251	}
1252	#endif
1253
1254	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1255	{
1256	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1257	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1258	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1259
1260	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1261	{
1262	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1263	}
1264
1265	if (uiInterDir < 2)
1266	{
1267	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1268	}
1269	#if H_MV_ENC_DEC_TRAC
1270	DTRACE_PU("inter_pred_idc", uiInterDir );
1271	#endif
1272
1273	return;
1274	}
1275
1276	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1277	{
1278	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1279	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1280	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1281
1282	if( iRefFrame > 0 )
1283	{
1284	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1285	pCtx++;
1286	iRefFrame--;
1287	for( UInt ui = 0; ui < uiRefNum; ++ui )
1288	{
1289	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1290	if( ui == 0 )
1291	{
1292	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1293	}
1294	else
1295	{
1296	m_pcBinIf->encodeBinEP( uiSymbol );
1297	}
1298	if( uiSymbol == 0 )
1299	{
1300	break;
1301	}
1302	}
1303	}
1304	#if H_MV_ENC_DEC_TRAC
1305	#if ENC_DEC_TRACE
1306	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1307	if ( eRefList == REF_PIC_LIST_0 )
1308	{
1309	DTRACE_PU("ref_idx_l0", iRefFrame)
1310	}
1311	else
1312	{
1313	DTRACE_PU("ref_idx_l1", iRefFrame)
1314	}
1315	#endif
1316	#endif
1317	return;
1318	}
1319
1320	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1321	{
1322	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1323	{
1324	return;
1325	}
1326
1327	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1328	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1329	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1330	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1331
1332	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1333	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1334
1335	const Bool bHorAbsGr0 = iHor != 0;
1336	const Bool bVerAbsGr0 = iVer != 0;
1337	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1338	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1339	pCtx++;
1340
1341	if( bHorAbsGr0 )
1342	{
1343	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1344	}
1345
1346	if( bVerAbsGr0 )
1347	{
1348	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1349	}
1350
1351	if( bHorAbsGr0 )
1352	{
1353	if( uiHorAbs > 1 )
1354	{
1355	xWriteEpExGolomb( uiHorAbs-2, 1 );
1356	}
1357
1358	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1359	}
1360
1361	if( bVerAbsGr0 )
1362	{
1363	if( uiVerAbs > 1 )
1364	{
1365	xWriteEpExGolomb( uiVerAbs-2, 1 );
1366	}
1367
1368	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1369	}
1370
1371	return;
1372	}
1373
1374	Void TEncSbac::codeCrossComponentPrediction( TComTU &rTu, ComponentID compID )
1375	{
1376	TComDataCU *pcCU = rTu.getCU();
1377
1378	if( isLuma(compID) \|\| !pcCU->getSlice()->getPPS()->getPpsRangeExtension().getCrossComponentPredictionEnabledFlag() )
1379	{
1380	return;
1381	}
1382
1383	const UInt uiAbsPartIdx = rTu.GetAbsPartIdxTU();
1384
1385	if (!pcCU->isIntra(uiAbsPartIdx) \|\| (pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx ) == DM_CHROMA_IDX))
1386	{
1387	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1388	DTRACE_CABAC_T("\tparseCrossComponentPrediction()")
1389	DTRACE_CABAC_T( "\tAddr=" )
1390	DTRACE_CABAC_V( compID )
1391	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1392	DTRACE_CABAC_V( uiAbsPartIdx )
1393
1394	Int alpha = pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID );
1395	ContextModel *pCtx = m_cCrossComponentPredictionSCModel.get(0, 0) + ((compID == COMPONENT_Cr) ? (NUM_CROSS_COMPONENT_PREDICTION_CTX >> 1) : 0);
1396	m_pcBinIf->encodeBin(((alpha != 0) ? 1 : 0), pCtx[0]);
1397
1398	if (alpha != 0)
1399	{
1400	static const Int log2AbsAlphaMinus1Table[8] = { 0, 1, 1, 2, 2, 2, 3, 3 };
1401	assert(abs(alpha) <= 8);
1402
1403	if (abs(alpha)>1)
1404	{
1405	m_pcBinIf->encodeBin(1, pCtx[1]);
1406	xWriteUnaryMaxSymbol( log2AbsAlphaMinus1Table[abs(alpha) - 1] - 1, (pCtx + 2), 1, 2 );
1407	}
1408	else
1409	{
1410	m_pcBinIf->encodeBin(0, pCtx[1]);
1411	}
1412	m_pcBinIf->encodeBin( ((alpha < 0) ? 1 : 0), pCtx[4] );
1413	}
1414	DTRACE_CABAC_T( "\tAlpha=" )
1415	DTRACE_CABAC_V( pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID ) )
1416	DTRACE_CABAC_T( "\n" )
1417	}
1418	}
1419
1420	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1421	{
1422	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1423
1424	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
1425	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1426
1427	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1428	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1429	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1430	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1431	{
1432	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1433	}
1434
1435	if ( uiAbsDQp > 0)
1436	{
1437	UInt uiSign = (iDQp > 0 ? 0 : 1);
1438	m_pcBinIf->encodeBinEP(uiSign);
1439	}
1440
1441	return;
1442	}
1443
1444	/** code chroma qp adjustment, converting from the internal table representation
1445	* \returns Void
1446	*/
1447	Void TEncSbac::codeChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx )
1448	{
1449	Int internalIdc = cu->getChromaQpAdj( absPartIdx );
1450	Int chromaQpOffsetListLen = cu->getSlice()->getPPS()->getPpsRangeExtension().getChromaQpOffsetListLen();
1451	/* internal_idc == 0 => flag = 0
1452	* internal_idc > 1 => code idc value (if table size warrents) */
1453	m_pcBinIf->encodeBin( internalIdc > 0, m_ChromaQpAdjFlagSCModel.get( 0, 0, 0 ) );
1454
1455	if (internalIdc > 0 && chromaQpOffsetListLen > 1)
1456	{
1457	xWriteUnaryMaxSymbol( internalIdc - 1, &m_ChromaQpAdjIdcSCModel.get( 0, 0, 0 ), 0, chromaQpOffsetListLen - 1 );
1458	}
1459	}
1460
1461	Void TEncSbac::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel )
1462	{
1463	TComDataCU* pcCU = rTu.getCU();
1464
1465	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
1466	const UInt TUDepth = rTu.GetTransformDepthRel();
1467	UInt uiCtx = pcCU->getCtxQtCbf( rTu, toChannelType(compID) );
1468	const UInt contextSet = toChannelType(compID);
1469
1470	const UInt width = rTu.getRect(compID).width;
1471	const UInt height = rTu.getRect(compID).height;
1472	const Bool canQuadSplit = (width >= (MIN_TU_SIZE * 2)) && (height >= (MIN_TU_SIZE * 2));
1473
1474	// Since the CBF for chroma is coded at the highest level possible, if sub-TUs are
1475	// to be coded for a 4x8 chroma TU, their CBFs must be coded at the highest 4x8 level
1476	// (i.e. where luma TUs are 8x8 rather than 4x4)
1477	// ___ ___
1478	// \| \| \| <- 4 x (8x8 luma + 4x8 4:2:2 chroma)
1479	// \|___\|___\| each quadrant has its own chroma CBF
1480	// \| \| \| _ _ _ _
1481	// \|___\|___\| \|
1482	// <--16---> V
1483	// _ _
1484	// \|_\|_\| <- 4 x 4x4 luma + 1 x 4x8 4:2:2 chroma
1485	// \|_\|_\| no chroma CBF is coded - instead the parent CBF is inherited
1486	// <-8-> if sub-TUs are present, their CBFs had to be coded at the parent level
1487
1488	const UInt lowestTUDepth = TUDepth + ((!lowestLevel && !canQuadSplit) ? 1 : 0); //unsplittable TUs inherit their parent's CBF
1489
1490	if ((width != height) && (lowestLevel \|\| !canQuadSplit)) //if sub-TUs are present
1491	{
1492	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)
1493	const UInt partIdxesPerSubTU = rTu.GetAbsPartIdxNumParts(compID) >> 1;
1494
1495	for (UInt subTU = 0; subTU < 2; subTU++)
1496	{
1497	const UInt subTUAbsPartIdx = absPartIdx + (subTU * partIdxesPerSubTU);
1498	const UInt uiCbf = pcCU->getCbf(subTUAbsPartIdx, compID, subTUDepth);
1499
1500	m_pcBinIf->encodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx));
1501	#if !H_MV_ENC_DEC_TRAC
1502	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1503	DTRACE_CABAC_T( "\tparseQtCbf()" )
1504	DTRACE_CABAC_T( "\tsub-TU=" )
1505	DTRACE_CABAC_V( subTU )
1506	DTRACE_CABAC_T( "\tsymbol=" )
1507	DTRACE_CABAC_V( uiCbf )
1508	DTRACE_CABAC_T( "\tctx=" )
1509	DTRACE_CABAC_V( uiCtx )
1510	DTRACE_CABAC_T( "\tetype=" )
1511	DTRACE_CABAC_V( compID )
1512	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1513	DTRACE_CABAC_V( subTUAbsPartIdx )
1514	DTRACE_CABAC_T( "\n" )
1515	#else
1516	if ( compID == COMPONENT_Cb )
1517	{
1518	DTRACE_TU("cbf_cb", uiCbf )
1519	}
1520	else if ( compID == COMPONENT_Cr )
1521	{
1522	DTRACE_TU("cbf_cr", uiCbf )
1523	}
1524	else
1525	{
1526	DTRACE_TU("cbf_luma", uiCbf )
1527	}
1528	#endif
1529	}
1530	}
1531	else
1532	{
1533	const UInt uiCbf = pcCU->getCbf( absPartIdx, compID, lowestTUDepth );
1534	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, contextSet, uiCtx ) );
1535	#if !H_MV_ENC_DEC_TRAC
1536	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1537	DTRACE_CABAC_T( "\tparseQtCbf()" )
1538	DTRACE_CABAC_T( "\tsymbol=" )
1539	DTRACE_CABAC_V( uiCbf )
1540	DTRACE_CABAC_T( "\tctx=" )
1541	DTRACE_CABAC_V( uiCtx )
1542	DTRACE_CABAC_T( "\tetype=" )
1543	DTRACE_CABAC_V( compID )
1544	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1545	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) )
1546	DTRACE_CABAC_T( "\n" )
1547	#else
1548	if ( compID == COMPONENT_Cb )
1549	{
1550	DTRACE_TU("cbf_cb", uiCbf )
1551	}
1552	else if ( compID == COMPONENT_Cr )
1553	{
1554	DTRACE_TU("cbf_cr", uiCbf )
1555	}
1556	else
1557	{
1558	DTRACE_TU("cbf_luma", uiCbf )
1559	}
1560	#endif
1561
1562	}
1563	}
1564
1565
1566	Void TEncSbac::codeTransformSkipFlags (TComTU &rTu, ComponentID component )
1567	{
1568	TComDataCU* pcCU=rTu.getCU();
1569	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU();
1570
1571	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1572	{
1573	return;
1574	}
1575
1576	if (!TUCompRectHasAssociatedTransformSkipFlag(rTu.getRect(component), pcCU->getSlice()->getPPS()->getPpsRangeExtension().getLog2MaxTransformSkipBlockSize()))
1577	{
1578	return;
1579	}
1580
1581	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,component);
1582	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, toChannelType(component), 0 ) );
1583	#if !H_MV_ENC_DEC_TRAC
1584	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1585	DTRACE_CABAC_T("\tparseTransformSkip()");
1586	DTRACE_CABAC_T( "\tsymbol=" )
1587	DTRACE_CABAC_V( useTransformSkip )
1588	DTRACE_CABAC_T( "\tAddr=" )
1589	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1590	DTRACE_CABAC_T( "\tetype=" )
1591	DTRACE_CABAC_V( component )
1592	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1593	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU() )
1594	DTRACE_CABAC_T( "\n" )
1595	#endif
1596	}
1597
1598
1599	/** Code I_PCM information.
1600	* \param pcCU pointer to CU
1601	* \param uiAbsPartIdx CU index
1602	* \returns Void
1603	*/
1604	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1605	{
1606	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1607
1608	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1609
1610	m_pcBinIf->encodeBinTrm (uiIPCM);
1611	#if H_MV_ENC_DEC_TRAC
1612	DTRACE_CU("pcm_flag", uiIPCM)
1613	#endif
1614	if (writePCMSampleFlag)
1615	{
1616	m_pcBinIf->encodePCMAlignBits();
1617
1618	const UInt minCoeffSizeY = pcCU->getPic()->getMinCUWidth() * pcCU->getPic()->getMinCUHeight();
1619	const UInt offsetY = minCoeffSizeY * uiAbsPartIdx;
1620	for (UInt ch=0; ch < pcCU->getPic()->getNumberValidComponents(); ch++)
1621	{
1622	const ComponentID compID = ComponentID(ch);
1623	const UInt offset = offsetY >> (pcCU->getPic()->getComponentScaleX(compID) + pcCU->getPic()->getComponentScaleY(compID));
1624	Pel * pPCMSample = pcCU->getPCMSample(compID) + offset;
1625	const UInt width = pcCU->getWidth (uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleX(compID);
1626	const UInt height = pcCU->getHeight(uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleY(compID);
1627	const UInt sampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepth(toChannelType(compID));
1628	for (UInt y=0; y<height; y++)
1629	{
1630	for (UInt x=0; x<width; x++)
1631	{
1632	UInt sample = pPCMSample[x];
1633	m_pcBinIf->xWritePCMCode(sample, sampleBits);
1634	}
1635	pPCMSample += width;
1636	}
1637	}
1638	m_pcBinIf->resetBac();
1639	}
1640	}
1641
1642	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1643	{
1644	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1645	UInt uiCtx = 0;
1646	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1647	#if !H_MV_ENC_DEC_TRAC
1648	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1649	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1650	DTRACE_CABAC_T( "\tsymbol=" )
1651	DTRACE_CABAC_V( uiCbf )
1652	DTRACE_CABAC_T( "\tctx=" )
1653	DTRACE_CABAC_V( uiCtx )
1654	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1655	DTRACE_CABAC_V( uiAbsPartIdx )
1656	DTRACE_CABAC_T( "\n" )
1657	#else
1658	DTRACE_CU( "rqt_root_cbf", uiCbf )
1659	#endif
1660	}
1661
1662	Void TEncSbac::codeQtCbfZero( TComTU & rTu, const ChannelType chType )
1663	{
1664	// this function is only used to estimate the bits when cbf is 0
1665	// and will never be called when writing the bistream. do not need to write log
1666	UInt uiCbf = 0;
1667	UInt uiCtx = rTu.getCU()->getCtxQtCbf( rTu, chType );
1668
1669	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, chType, uiCtx ) );
1670	}
1671
1672	Void TEncSbac::codeQtRootCbfZero( )
1673	{
1674	// this function is only used to estimate the bits when cbf is 0
1675	// and will never be called when writing the bistream. do not need to write log
1676	UInt uiCbf = 0;
1677	UInt uiCtx = 0;
1678	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1679	}
1680
1681	/** Encode (X,Y) position of the last significant coefficient
1682	* \param uiPosX X component of last coefficient
1683	* \param uiPosY Y component of last coefficient
1684	* \param width Block width
1685	* \param height Block height
1686	* \param component chroma component ID
1687	* \param uiScanIdx scan type (zig-zag, hor, ver)
1688	* This method encodes the X and Y component within a block of the last significant coefficient.
1689	*/
1690	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx )
1691	{
1692	// swap
1693	if( uiScanIdx == SCAN_VER )
1694	{
1695	swap( uiPosX, uiPosY );
1696	swap( width, height );
1697	}
1698
1699	UInt uiCtxLast;
1700	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1701	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1702
1703	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, toChannelType(component) );
1704	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, toChannelType(component) );
1705
1706	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1707	getLastSignificantContextParameters(component, width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
1708
1709	//------------------
1710
1711	// posX
1712
1713	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1714	{
1715	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1716	}
1717	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1718	{
1719	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1720	}
1721
1722	// posY
1723
1724	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1725	{
1726	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1727	}
1728	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1729	{
1730	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1731	}
1732
1733	// EP-coded part
1734
1735	if ( uiGroupIdxX > 3 )
1736	{
1737	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1738	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1739	for (Int i = uiCount - 1 ; i >= 0; i-- )
1740	{
1741	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1742	}
1743	}
1744	if ( uiGroupIdxY > 3 )
1745	{
1746	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1747	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1748	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1749	{
1750	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1751	}
1752	}
1753	}
1754
1755
1756	Void TEncSbac::codeCoeffNxN( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID )
1757	{
1758	TComDataCU* pcCU=rTu.getCU();
1759	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(compID);
1760	const TComRectangle &tuRect=rTu.getRect(compID);
1761	const UInt uiWidth=tuRect.width;
1762	const UInt uiHeight=tuRect.height;
1763	const TComSPS &sps=*(pcCU->getSlice()->getSPS());
1764	#if !H_MV_ENC_DEC_TRAC
1765
1766	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1767	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1768	DTRACE_CABAC_V( compID )
1769	DTRACE_CABAC_T( "\twidth=" )
1770	DTRACE_CABAC_V( uiWidth )
1771	DTRACE_CABAC_T( "\theight=" )
1772	DTRACE_CABAC_V( uiHeight )
1773	DTRACE_CABAC_T( "\tdepth=" )
1774	// DTRACE_CABAC_V( rTu.GetTransformDepthTotalAdj(compID) )
1775	DTRACE_CABAC_V( rTu.GetTransformDepthTotal() )
1776	DTRACE_CABAC_T( "\tabspartidx=" )
1777	DTRACE_CABAC_V( uiAbsPartIdx )
1778	DTRACE_CABAC_T( "\ttoCU-X=" )
1779	DTRACE_CABAC_V( pcCU->getCUPelX() )
1780	DTRACE_CABAC_T( "\ttoCU-Y=" )
1781	DTRACE_CABAC_V( pcCU->getCUPelY() )
1782	DTRACE_CABAC_T( "\tCU-addr=" )
1783	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1784	DTRACE_CABAC_T( "\tinCU-X=" )
1785	// DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1786	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1787	DTRACE_CABAC_T( "\tinCU-Y=" )
1788	// DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1789	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1790	DTRACE_CABAC_T( "\tpredmode=" )
1791	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1792	DTRACE_CABAC_T( "\n" )
1793	#endif
1794
1795	//--------------------------------------------------------------------------------------------------
1796
1797	if( uiWidth > sps.getMaxTrSize() )
1798	{
1799	std::cerr << "ERROR: codeCoeffNxN was passed a TU with dimensions larger than the maximum allowed size" << std::endl;
1800	assert(false);
1801	exit(1);
1802	}
1803
1804	// compute number of significant coefficients
1805	UInt uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1806
1807	if ( uiNumSig == 0 )
1808	{
1809	std::cerr << "ERROR: codeCoeffNxN called for empty TU!" << std::endl;
1810	assert(false);
1811	exit(1);
1812	}
1813
1814	//--------------------------------------------------------------------------------------------------
1815
1816	//set parameters
1817
1818	const ChannelType chType = toChannelType(compID);
1819	const UInt uiLog2BlockWidth = g_aucConvertToBit[ uiWidth ] + 2;
1820	const UInt uiLog2BlockHeight = g_aucConvertToBit[ uiHeight ] + 2;
1821
1822	const ChannelType channelType = toChannelType(compID);
1823	const Bool extendedPrecision = sps.getSpsRangeExtension().getExtendedPrecisionProcessingFlag();
1824
1825	const Bool alignCABACBeforeBypass = sps.getSpsRangeExtension().getCabacBypassAlignmentEnabledFlag();
1826	const Int maxLog2TrDynamicRange = sps.getMaxLog2TrDynamicRange(channelType);
1827
1828	Bool beValid;
1829
1830	{
1831	Int uiIntraMode = -1;
1832	const Bool bIsLuma = isLuma(compID);
1833	Int isIntra = pcCU->isIntra(uiAbsPartIdx) ? 1 : 0;
1834	if ( isIntra )
1835	{
1836	uiIntraMode = pcCU->getIntraDir( toChannelType(compID), uiAbsPartIdx );
1837
1838	const UInt partsPerMinCU = 1<<(2*(sps.getMaxTotalCUDepth() - sps.getLog2DiffMaxMinCodingBlockSize()));
1839	uiIntraMode = (uiIntraMode==DM_CHROMA_IDX && !bIsLuma) ? pcCU->getIntraDir(CHANNEL_TYPE_LUMA, getChromasCorrespondingPULumaIdx(uiAbsPartIdx, rTu.GetChromaFormat(), partsPerMinCU)) : uiIntraMode;
1840	uiIntraMode = ((rTu.GetChromaFormat() == CHROMA_422) && !bIsLuma) ? g_chroma422IntraAngleMappingTable[uiIntraMode] : uiIntraMode;
1841	}
1842
1843	Int transformSkip = pcCU->getTransformSkip( uiAbsPartIdx,compID) ? 1 : 0;
1844	Bool rdpcm_lossy = ( transformSkip && isIntra && ( (uiIntraMode == HOR_IDX) \|\| (uiIntraMode == VER_IDX) ) ) && pcCU->isRDPCMEnabled(uiAbsPartIdx);
1845
1846	if ( (pcCU->getCUTransquantBypass(uiAbsPartIdx)) \|\| rdpcm_lossy )
1847	{
1848	beValid = false;
1849	if ( (!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1850	{
1851	codeExplicitRdpcmMode( rTu, compID);
1852	}
1853	}
1854	else
1855	{
1856	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag();
1857	}
1858	}
1859
1860	//--------------------------------------------------------------------------------------------------
1861
1862	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1863	{
1864	codeTransformSkipFlags(rTu, compID);
1865	if(pcCU->getTransformSkip(uiAbsPartIdx, compID) && !pcCU->isIntra(uiAbsPartIdx) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1866	{
1867	// This TU has coefficients and is transform skipped. Check whether is inter coded and if yes encode the explicit RDPCM mode
1868	codeExplicitRdpcmMode( rTu, compID);
1869
1870	if(pcCU->getExplicitRdpcmMode(compID, uiAbsPartIdx) != RDPCM_OFF)
1871	{
1872	// Sign data hiding is avoided for horizontal and vertical explicit RDPCM modes
1873	beValid = false;
1874	}
1875	}
1876	}
1877
1878	//--------------------------------------------------------------------------------------------------
1879
1880	const Bool bUseGolombRiceParameterAdaptation = sps.getSpsRangeExtension().getPersistentRiceAdaptationEnabledFlag();
1881	UInt &currentGolombRiceStatistic = m_golombRiceAdaptationStatistics[rTu.getGolombRiceStatisticsIndex(compID)];
1882
1883	//select scans
1884	TUEntropyCodingParameters codingParameters;
1885	getTUEntropyCodingParameters(codingParameters, rTu, compID);
1886
1887	//----- encode significance map -----
1888
1889	// Find position of last coefficient
1890	Int scanPosLast = -1;
1891	Int posLast;
1892
1893
1894	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1895
1896	memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1897	do
1898	{
1899	posLast = codingParameters.scan[ ++scanPosLast ];
1900
1901	if( pcCoef[ posLast ] != 0 )
1902	{
1903	// get L1 sig map
1904	UInt uiPosY = posLast >> uiLog2BlockWidth;
1905	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockWidth );
1906
1907	UInt uiBlkIdx = (codingParameters.widthInGroups * (uiPosY >> MLS_CG_LOG2_HEIGHT)) + (uiPosX >> MLS_CG_LOG2_WIDTH);
1908	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1909
1910	uiNumSig--;
1911	}
1912	} while ( uiNumSig > 0 );
1913
1914	// Code position of last coefficient
1915	Int posLastY = posLast >> uiLog2BlockWidth;
1916	Int posLastX = posLast - ( posLastY << uiLog2BlockWidth );
1917	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, compID, codingParameters.scanType);
1918
1919	//===== code significance flag =====
1920	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, chType );
1921	ContextModel * const baseCtx = m_cCUSigSCModel.get( 0, 0 ) + getSignificanceMapContextOffset(compID);
1922
1923	const Int iLastScanSet = scanPosLast >> MLS_CG_SIZE;
1924
1925	UInt c1 = 1;
1926	UInt uiGoRiceParam = 0;
1927	Int iScanPosSig = scanPosLast;
1928
1929	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1930	{
1931	Int numNonZero = 0;
1932	Int iSubPos = iSubSet << MLS_CG_SIZE;
1933	uiGoRiceParam = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1934	Bool updateGolombRiceStatistics = bUseGolombRiceParameterAdaptation; //leave the statistics at 0 when not using the adaptation system
1935	UInt coeffSigns = 0;
1936
1937	Int absCoeff[1 << MLS_CG_SIZE];
1938
1939	Int lastNZPosInCG = -1;
1940	Int firstNZPosInCG = 1 << MLS_CG_SIZE;
1941
1942	Bool escapeDataPresentInGroup = false;
1943
1944	if( iScanPosSig == scanPosLast )
1945	{
1946	absCoeff[ 0 ] = Int(abs( pcCoef[ posLast ] ));
1947	coeffSigns = ( pcCoef[ posLast ] < 0 );
1948	numNonZero = 1;
1949	lastNZPosInCG = iScanPosSig;
1950	firstNZPosInCG = iScanPosSig;
1951	iScanPosSig--;
1952	}
1953
1954	// encode significant_coeffgroup_flag
1955	Int iCGBlkPos = codingParameters.scanCG[ iSubSet ];
1956	Int iCGPosY = iCGBlkPos / codingParameters.widthInGroups;
1957	Int iCGPosX = iCGBlkPos - (iCGPosY * codingParameters.widthInGroups);
1958
1959	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1960	{
1961	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1962	}
1963	else
1964	{
1965	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1966	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups );
1967	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1968	}
1969
1970	// encode significant_coeff_flag
1971	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1972	{
1973	const Int patternSigCtx = TComTrQuant::calcPatternSigCtx(uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups);
1974
1975	UInt uiBlkPos, uiSig, uiCtxSig;
1976	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1977	{
1978	uiBlkPos = codingParameters.scan[ iScanPosSig ];
1979	uiSig = (pcCoef[ uiBlkPos ] != 0);
1980	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1981	{
1982	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, codingParameters, iScanPosSig, uiLog2BlockWidth, uiLog2BlockHeight, chType );
1983	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1984	}
1985	if( uiSig )
1986	{
1987	absCoeff[ numNonZero ] = Int(abs( pcCoef[ uiBlkPos ] ));
1988	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1989	numNonZero++;
1990	if( lastNZPosInCG == -1 )
1991	{
1992	lastNZPosInCG = iScanPosSig;
1993	}
1994	firstNZPosInCG = iScanPosSig;
1995	}
1996	}
1997	}
1998	else
1999	{
2000	iScanPosSig = iSubPos - 1;
2001	}
2002
2003	if( numNonZero > 0 )
2004	{
2005	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
2006
2007	const UInt uiCtxSet = getContextSetIndex(compID, iSubSet, (c1 == 0));
2008	c1 = 1;
2009
2010	ContextModel baseCtxMod = m_cCUOneSCModel.get( 0, 0 ) + (NUM_ONE_FLAG_CTX_PER_SET uiCtxSet);
2011
2012	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2013	Int firstC2FlagIdx = -1;
2014	for( Int idx = 0; idx < numC1Flag; idx++ )
2015	{
2016	UInt uiSymbol = absCoeff[ idx ] > 1;
2017	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2018	if( uiSymbol )
2019	{
2020	c1 = 0;
2021
2022	if (firstC2FlagIdx == -1)
2023	{
2024	firstC2FlagIdx = idx;
2025	}
2026	else //if a greater-than-one has been encountered already this group
2027	{
2028	escapeDataPresentInGroup = true;
2029	}
2030	}
2031	else if( (c1 < 3) && (c1 > 0) )
2032	{
2033	c1++;
2034	}
2035	}
2036
2037	if (c1 == 0)
2038	{
2039	baseCtxMod = m_cCUAbsSCModel.get( 0, 0 ) + (NUM_ABS_FLAG_CTX_PER_SET * uiCtxSet);
2040	if ( firstC2FlagIdx != -1)
2041	{
2042	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2043	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2044	if (symbol != 0)
2045	{
2046	escapeDataPresentInGroup = true;
2047	}
2048	}
2049	}
2050
2051	escapeDataPresentInGroup = escapeDataPresentInGroup \|\| (numNonZero > C1FLAG_NUMBER);
2052
2053	if (escapeDataPresentInGroup && alignCABACBeforeBypass)
2054	{
2055	m_pcBinIf->align();
2056	}
2057
2058	if( beValid && signHidden )
2059	{
2060	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2061	}
2062	else
2063	{
2064	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2065	}
2066
2067	Int iFirstCoeff2 = 1;
2068	if (escapeDataPresentInGroup)
2069	{
2070	for ( Int idx = 0; idx < numNonZero; idx++ )
2071	{
2072	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2073
2074	if( absCoeff[ idx ] >= baseLevel)
2075	{
2076	const UInt escapeCodeValue = absCoeff[idx] - baseLevel;
2077
2078	xWriteCoefRemainExGolomb( escapeCodeValue, uiGoRiceParam, extendedPrecision, maxLog2TrDynamicRange );
2079
2080	if (absCoeff[idx] > (3 << uiGoRiceParam))
2081	{
2082	uiGoRiceParam = bUseGolombRiceParameterAdaptation ? (uiGoRiceParam + 1) : (std::min<UInt>((uiGoRiceParam + 1), 4));
2083	}
2084
2085	if (updateGolombRiceStatistics)
2086	{
2087	const UInt initialGolombRiceParameter = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
2088
2089	if (escapeCodeValue >= (3 << initialGolombRiceParameter))
2090	{
2091	currentGolombRiceStatistic++;
2092	}
2093	else if (((escapeCodeValue * 2) < (1 << initialGolombRiceParameter)) && (currentGolombRiceStatistic > 0))
2094	{
2095	currentGolombRiceStatistic--;
2096	}
2097
2098	updateGolombRiceStatistics = false;
2099	}
2100	}
2101
2102	if(absCoeff[ idx ] >= 2)
2103	{
2104	iFirstCoeff2 = 0;
2105	}
2106	}
2107	}
2108	}
2109	}
2110	#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
2111	printSBACCoeffData(posLastX, posLastY, uiWidth, uiHeight, compID, uiAbsPartIdx, codingParameters.scanType, pcCoef, pcCU->getSlice()->getFinalized());
2112	#endif
2113
2114	return;
2115	}
2116
2117	/** code SAO offset sign
2118	* \param code sign value
2119	*/
2120	Void TEncSbac::codeSAOSign( UInt code )
2121	{
2122	m_pcBinIf->encodeBinEP( code );
2123	}
2124
2125	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
2126	{
2127	if (maxSymbol == 0)
2128	{
2129	return;
2130	}
2131
2132	Int i;
2133	Bool bCodeLast = ( maxSymbol > code );
2134
2135	if ( code == 0 )
2136	{
2137	m_pcBinIf->encodeBinEP( 0 );
2138	}
2139	else
2140	{
2141	m_pcBinIf->encodeBinEP( 1 );
2142	for ( i=0; i<code-1; i++ )
2143	{
2144	m_pcBinIf->encodeBinEP( 1 );
2145	}
2146	if( bCodeLast )
2147	{
2148	m_pcBinIf->encodeBinEP( 0 );
2149	}
2150	}
2151	}
2152
2153	/** Code SAO EO class or BO band position
2154	*/
2155	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
2156	{
2157	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
2158	}
2159
2160	/** Code SAO merge flags
2161	*/
2162	Void TEncSbac::codeSaoMerge ( UInt uiCode )
2163	{
2164	m_pcBinIf->encodeBin(((uiCode == 0) ? 0 : 1), m_cSaoMergeSCModel.get( 0, 0, 0 ));
2165	}
2166
2167	/** Code SAO type index
2168	*/
2169	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2170	{
2171	if (uiCode == 0)
2172	{
2173	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2174	}
2175	else
2176	{
2177	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2178	m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
2179	}
2180	}
2181
2182	Void TEncSbac::codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth)
2183	{
2184	UInt uiSymbol;
2185	if(!sliceEnabled)
2186	{
2187	assert(ctbParam.modeIdc == SAO_MODE_OFF);
2188	return;
2189	}
2190	const Bool bIsFirstCompOfChType = (getFirstComponentOfChannel(toChannelType(compIdx)) == compIdx);
2191
2192	//type
2193	if(bIsFirstCompOfChType)
2194	{
2195	//sao_type_idx_luma or sao_type_idx_chroma
2196	if(ctbParam.modeIdc == SAO_MODE_OFF)
2197	{
2198	uiSymbol =0;
2199	}
2200	else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
2201	{
2202	uiSymbol = 1;
2203	}
2204	else
2205	{
2206	assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
2207	uiSymbol = 2;
2208	}
2209	codeSaoTypeIdx(uiSymbol);
2210	}
2211
2212	if(ctbParam.modeIdc == SAO_MODE_NEW)
2213	{
2214	Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
2215	Int offset[4];
2216	Int k=0;
2217	for(Int i=0; i< numClasses; i++)
2218	{
2219	if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
2220	{
2221	continue;
2222	}
2223	Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
2224	offset[k] = ctbParam.offset[classIdx];
2225	k++;
2226	}
2227
2228	const Int maxOffsetQVal = TComSampleAdaptiveOffset::getMaxOffsetQVal(channelBitDepth);
2229	for(Int i=0; i< 4; i++)
2230	{
2231	codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), maxOffsetQVal ); //sao_offset_abs
2232	}
2233
2234
2235	if(ctbParam.typeIdc == SAO_TYPE_BO)
2236	{
2237	for(Int i=0; i< 4; i++)
2238	{
2239	if(offset[i] != 0)
2240	{
2241	codeSAOSign((offset[i]< 0)?1:0);
2242	}
2243	}
2244
2245	codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
2246	}
2247	else //EO
2248	{
2249	if(bIsFirstCompOfChType)
2250	{
2251	assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
2252	codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
2253	}
2254	}
2255
2256	}
2257	}
2258
2259
2260	Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths
2261	, Bool* sliceEnabled
2262	, Bool leftMergeAvail
2263	, Bool aboveMergeAvail
2264	, Bool onlyEstMergeInfo // = false
2265	)
2266	{
2267
2268	Bool isLeftMerge = false;
2269	Bool isAboveMerge= false;
2270
2271	if(leftMergeAvail)
2272	{
2273	isLeftMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_LEFT));
2274	codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
2275	}
2276
2277	if( aboveMergeAvail && !isLeftMerge)
2278	{
2279	isAboveMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_ABOVE));
2280	codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
2281	}
2282
2283	if(onlyEstMergeInfo)
2284	{
2285	return; //only for RDO
2286	}
2287
2288	if(!isLeftMerge && !isAboveMerge) //not merge mode
2289	{
2290	for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++)
2291	{
2292	codeSAOOffsetParam(ComponentID(compIdx), saoBlkParam[compIdx], sliceEnabled[compIdx], bitDepths.recon[toChannelType(ComponentID(compIdx))]);
2293	}
2294	}
2295	}
2296
2297	/*!
2298	****************************************************************************
2299	* \brief
2300	* estimate bit cost for CBP, significant map and significant coefficients
2301	****************************************************************************
2302	*/
2303	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2304	{
2305	estCBFBit( pcEstBitsSbac );
2306
2307	estSignificantCoeffGroupMapBit( pcEstBitsSbac, chType );
2308
2309	// encode significance map
2310	estSignificantMapBit( pcEstBitsSbac, width, height, chType );
2311
2312	// encode last significant position
2313	estLastSignificantPositionBit( pcEstBitsSbac, width, height, chType );
2314
2315	// encode significant coefficients
2316	estSignificantCoefficientsBit( pcEstBitsSbac, chType );
2317
2318	memcpy(pcEstBitsSbac->golombRiceAdaptationStatistics, m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2319	}
2320
2321	/*!
2322	****************************************************************************
2323	* \brief
2324	* estimate bit cost for each CBP bit
2325	****************************************************************************
2326	*/
2327	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2328	{
2329	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2330
2331	for( UInt uiCtxInc = 0; uiCtxInc < (NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET); uiCtxInc++ )
2332	{
2333	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2334	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2335	}
2336
2337	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2338
2339	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2340	{
2341	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2342	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2343	}
2344	}
2345
2346
2347	/*!
2348	****************************************************************************
2349	* \brief
2350	* estimate SAMBAC bit cost for significant coefficient group map
2351	****************************************************************************
2352	*/
2353	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2354	{
2355	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2356
2357	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2358	{
2359	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2360	{
2361	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, chType, ctxIdx ).getEntropyBits( uiBin );
2362	}
2363	}
2364	}
2365
2366
2367	/*!
2368	****************************************************************************
2369	* \brief
2370	* estimate SAMBAC bit cost for significant coefficient map
2371	****************************************************************************
2372	*/
2373	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2374	{
2375	//--------------------------------------------------------------------------------------------------
2376
2377	//set up the number of channels and context variables
2378
2379	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2380	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2381
2382	//----------------------------------------------------------
2383
2384	Int firstCtx = MAX_INT;
2385	Int numCtx = MAX_INT;
2386
2387	if ((width == 4) && (height == 4))
2388	{
2389	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_4x4];
2390	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_4x4];
2391	}
2392	else if ((width == 8) && (height == 8))
2393	{
2394	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_8x8];
2395	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_8x8];
2396	}
2397	else
2398	{
2399	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_NxN];
2400	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_NxN];
2401	}
2402
2403	//--------------------------------------------------------------------------------------------------
2404
2405	//fill the data for the significace map
2406
2407	for (UInt component = firstComponent; component <= lastComponent; component++)
2408	{
2409	const UInt contextOffset = getSignificanceMapContextOffset(ComponentID(component));
2410
2411	if (firstCtx > 0)
2412	{
2413	for( UInt bin = 0; bin < 2; bin++ ) //always get the DC
2414	{
2415	pcEstBitsSbac->significantBits[ contextOffset ][ bin ] = m_cCUSigSCModel.get( 0, 0, contextOffset ).getEntropyBits( bin );
2416	}
2417	}
2418
2419	// This could be made optional, but would require this function to have knowledge of whether the
2420	// TU is transform-skipped or transquant-bypassed and whether the SPS flag is set
2421	for( UInt bin = 0; bin < 2; bin++ )
2422	{
2423	const Int ctxIdx = significanceMapContextSetStart[chType][CONTEXT_TYPE_SINGLE];
2424	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ bin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( bin );
2425	}
2426
2427	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2428	{
2429	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2430	{
2431	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( uiBin );
2432	}
2433	}
2434	}
2435
2436	//--------------------------------------------------------------------------------------------------
2437	}
2438
2439
2440	/*!
2441	****************************************************************************
2442	* \brief
2443	* estimate bit cost of significant coefficient
2444	****************************************************************************
2445	*/
2446
2447	Void TEncSbac::estLastSignificantPositionBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2448	{
2449	//--------------------------------------------------------------------------------------------------.
2450
2451	//set up the number of channels
2452
2453	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2454	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2455
2456	//--------------------------------------------------------------------------------------------------
2457
2458	//fill the data for the last-significant-coefficient position
2459
2460	for (UInt componentIndex = firstComponent; componentIndex <= lastComponent; componentIndex++)
2461	{
2462	const ComponentID component = ComponentID(componentIndex);
2463
2464	Int iBitsX = 0, iBitsY = 0;
2465
2466	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2467	getLastSignificantContextParameters(ComponentID(component), width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
2468
2469	Int ctx;
2470
2471	const ChannelType channelType = toChannelType(ComponentID(component));
2472
2473	ContextModel *const pCtxX = m_cCuCtxLastX.get( 0, channelType );
2474	ContextModel *const pCtxY = m_cCuCtxLastY.get( 0, channelType );
2475	Int *const lastXBitsArray = pcEstBitsSbac->lastXBits[channelType];
2476	Int *const lastYBitsArray = pcEstBitsSbac->lastYBits[channelType];
2477
2478	//------------------------------------------------
2479
2480	//X-coordinate
2481
2482	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2483	{
2484	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2485	lastXBitsArray[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2486	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2487	}
2488
2489	lastXBitsArray[ctx] = iBitsX;
2490
2491	//------------------------------------------------
2492
2493	//Y-coordinate
2494
2495	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2496	{
2497	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2498	lastYBitsArray[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2499	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2500	}
2501
2502	lastYBitsArray[ctx] = iBitsY;
2503
2504	} //end of component loop
2505
2506	//--------------------------------------------------------------------------------------------------
2507	}
2508
2509
2510	/*!
2511	****************************************************************************
2512	* \brief
2513	* estimate bit cost of significant coefficient
2514	****************************************************************************
2515	*/
2516	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2517	{
2518	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2519	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2520
2521	const UInt oneStartIndex = ((isLuma(chType)) ? (0) : (NUM_ONE_FLAG_CTX_LUMA));
2522	const UInt oneStopIndex = ((isLuma(chType)) ? (NUM_ONE_FLAG_CTX_LUMA) : (NUM_ONE_FLAG_CTX));
2523	const UInt absStartIndex = ((isLuma(chType)) ? (0) : (NUM_ABS_FLAG_CTX_LUMA));
2524	const UInt absStopIndex = ((isLuma(chType)) ? (NUM_ABS_FLAG_CTX_LUMA) : (NUM_ABS_FLAG_CTX));
2525
2526	for (Int ctxIdx = oneStartIndex; ctxIdx < oneStopIndex; ctxIdx++)
2527	{
2528	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2529	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2530	}
2531
2532	for (Int ctxIdx = absStartIndex; ctxIdx < absStopIndex; ctxIdx++)
2533	{
2534	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2535	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2536	}
2537	}
2538
2539	/**
2540	- Initialize our context information from the nominated source.
2541	.
2542	\param pSrc From where to copy context information.
2543	*/
2544	Void TEncSbac::xCopyContextsFrom( const TEncSbac* pSrc )
2545	{
2546	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2547	memcpy(m_golombRiceAdaptationStatistics, pSrc->m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2548	}
2549
2550	Void TEncSbac::loadContexts ( const TEncSbac* pSrc)
2551	{
2552	xCopyContextsFrom(pSrc);
2553	}
2554
2555	/** Performs CABAC encoding of the explicit RDPCM mode
2556	* \param rTu current TU data structure
2557	* \param compID component identifier
2558	*/
2559	Void TEncSbac::codeExplicitRdpcmMode( TComTU &rTu, const ComponentID compID )
2560	{
2561	TComDataCU *cu = rTu.getCU();
2562	const TComRectangle &rect = rTu.getRect(compID);
2563	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
2564	const UInt tuHeight = g_aucConvertToBit[rect.height];
2565	const UInt tuWidth = g_aucConvertToBit[rect.width];
2566
2567	assert(tuHeight == tuWidth);
2568	assert(tuHeight < 4);
2569
2570	UInt explicitRdpcmMode = cu->getExplicitRdpcmMode(compID, absPartIdx);
2571
2572	if( explicitRdpcmMode == RDPCM_OFF )
2573	{
2574	m_pcBinIf->encodeBin (0, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2575	}
2576	else if( explicitRdpcmMode == RDPCM_HOR \|\| explicitRdpcmMode == RDPCM_VER )
2577	{
2578	m_pcBinIf->encodeBin (1, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2579	if(explicitRdpcmMode == RDPCM_HOR)
2580	{
2581	m_pcBinIf->encodeBin ( 0, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2582	}
2583	else
2584	{
2585	m_pcBinIf->encodeBin ( 1, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2586	}
2587	}
2588	else
2589	{
2590	assert(0);
2591	}
2592	}
2593
2594	#if H_3D_INTER_SDC
2595	Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx )
2596	{
2597	if( !( pcCU->getSDCFlag( absPartIdx ) \|\| ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) )
2598	{
2599	assert( 0 );
2600	}
2601
2602	UInt uiNumSegments = isDimMode( pcCU->getLumaIntraDir( absPartIdx ) ) ? 2 : 1;
2603	UInt dimDeltaDC = 1;
2604
2605	if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx ))
2606	{
2607	if( uiNumSegments == 1 )
2608	{
2609	dimDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0;
2610	}
2611	else
2612	{
2613	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) \|\| pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0;
2614	}
2615	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get( 0, 0, 0 ) );
2616	}
2617
2618	if( dimDeltaDC )
2619	{
2620	for( UInt segment = 0; segment < uiNumSegments; segment++ )
2621	{
2622	Pel deltaDC = 0;
2623
2624	if( pcCU->isIntra( absPartIdx ) )
2625	{
2626	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
2627	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset( segment, absPartIdx ) : pcCU->getDimDeltaDC( getDimType( dir ), segment, absPartIdx );
2628	}
2629	else
2630	{
2631	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2632	}
2633
2634	xCodeDimDeltaDC( deltaDC, uiNumSegments );
2635	}
2636	}
2637	}
2638
2639	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2640	{
2641	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2642	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2643	DTRACE_CU("dc_only_flag", uiSymbol)
2644	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2645	}
2646
2647	#endif
2648
2649	#if H_3D_DBBP
2650	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2651	{
2652	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2653	AOF( ePartSize == SIZE_2NxN \|\| ePartSize == SIZE_Nx2N );
2654	AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() );
2655	AOF( !pcCU->getSlice()->getIsDepth() );
2656
2657	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2658	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2659	DTRACE_CU("dbbp_flag", uiSymbol)
2660	}
2661	#endif
2662
2663	//! \}

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source: 3DVCSoftware/branches/HTM-14.1-update-dev2-Orange/source/Lib/TLibEncoder/TEncSbac.cpp @ 1256

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