Context navigation

TEncSbac.cpp @ 1274

Visit:

Last change on this file since 1274 was 1274, checked in by tech, 9 years ago
Merged HTM-14.1-update-dev3@1273.
Property svn:eol-style set to `native`
File size: 91.4 KB

Line
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 NH_3D_ARP
71	, m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	#endif
73	#if NH_3D_IC
74	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	#endif
76	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUIntraPredSCModel ( 1, 1, NUM_INTRA_PREDICT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUQtCbfSCModel ( 1, NUM_QT_CBF_CTX_SETS, NUM_QT_CBF_CTX_PER_SET , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cCuCtxLastX ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_cCuCtxLastY ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
91	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cTransformSkipSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_CUTransquantBypassFlagSCModel ( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	, m_explicitRdpcmFlagSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	, m_explicitRdpcmDirSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cCrossComponentPredictionSCModel ( 1, 1, NUM_CROSS_COMPONENT_PREDICTION_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_ChromaQpAdjFlagSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	, m_ChromaQpAdjIdcSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_IDC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
103	#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 NH_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 NH_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 NH_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 NH_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 NH_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_DIM
305	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
306	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
307	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
308	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
309	#if H_3D_DIM_SDC
310	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
311	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
312	#endif
313	#endif
314	#if H_3D_DIM_SDC
315	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
316	#endif
317
318
319	Void TEncSbac::codeVPS( const TComVPS* /pcVPS/ )
320	{
321	assert (0);
322	return;
323	}
324
325	Void TEncSbac::codeSPS( const TComSPS* /pcSPS/ )
326	{
327	assert (0);
328	return;
329	}
330
331	Void TEncSbac::codePPS( const TComPPS* /pcPPS/ )
332	{
333	assert (0);
334	return;
335	}
336
337	Void TEncSbac::codeSliceHeader( TComSlice* /pcSlice/ )
338	{
339	assert (0);
340	return;
341	}
342
343	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* /pSlice/ )
344	{
345	assert (0);
346	return;
347	}
348
349	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
350	{
351	m_pcBinIf->encodeBinTrm( uilsLast );
352	}
353
354	Void TEncSbac::codeSliceFinish()
355	{
356	m_pcBinIf->finish();
357	}
358
359	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
360	{
361	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
362
363	if( 0 == uiSymbol)
364	{
365	return;
366	}
367
368	while( uiSymbol-- )
369	{
370	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
371	}
372
373	return;
374	}
375
376	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
377	{
378	if (uiMaxSymbol == 0)
379	{
380	return;
381	}
382
383	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
384
385	if ( uiSymbol == 0 )
386	{
387	return;
388	}
389
390	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
391
392	while( --uiSymbol )
393	{
394	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
395	}
396	if( bCodeLast )
397	{
398	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
399	}
400
401	return;
402	}
403
404	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
405	{
406	UInt bins = 0;
407	Int numBins = 0;
408
409	while( uiSymbol >= (UInt)(1<<uiCount) )
410	{
411	bins = 2 * bins + 1;
412	numBins++;
413	uiSymbol -= 1 << uiCount;
414	uiCount ++;
415	}
416	bins = 2 * bins + 0;
417	numBins++;
418
419	bins = (bins << uiCount) \| uiSymbol;
420	numBins += uiCount;
421
422	assert( numBins <= 32 );
423	m_pcBinIf->encodeBinsEP( bins, numBins );
424	}
425
426	#if H_3D
427	Void TEncSbac::codeDIS( TComDataCU* pcCU, UInt uiAbsPartIdx )
428	{
429	UInt uiSymbol = pcCU->getDISFlag(uiAbsPartIdx ) ? 1 : 0;
430	m_pcBinIf->encodeBin( uiSymbol, m_cCUDISFlagSCModel.get( 0, 0, 0 ) );
431	if(uiSymbol)
432	{
433	UInt uiUnaryIdx = (UInt) pcCU->getDISType(uiAbsPartIdx);
434	UInt uiNumCand = 4;
435
436	if ( uiNumCand > 1 )
437	{
438	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
439	{
440	const UInt uiSymbol2 = ui == uiUnaryIdx ? 0 : 1;
441	if ( ui == 0 )
442	{
443	m_pcBinIf->encodeBin( uiSymbol2, m_cCUDISTypeSCModel.get( 0, 0, 0 ) );
444	}
445	else
446	{
447	m_pcBinIf->encodeBinEP( uiSymbol2 );
448	}
449	if( uiSymbol2 == 0 )
450	{
451	break;
452	}
453	}
454	}
455	}
456	}
457	#endif
458
459
460	/** Coding of coeff_abs_level_minus3
461	* \param symbol value of coeff_abs_level_minus3
462	* \param rParam reference to Rice parameter
463	* \param useLimitedPrefixLength
464	* \param maxLog2TrDynamicRange
465	*/
466	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange )
467	{
468	Int codeNumber = (Int)symbol;
469	UInt length;
470
471	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
472	{
473	length = codeNumber>>rParam;
474	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
475	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
476	}
477	else if (useLimitedPrefixLength)
478	{
479	const UInt maximumPrefixLength = (32 - (COEF_REMAIN_BIN_REDUCTION + maxLog2TrDynamicRange));
480
481	UInt prefixLength = 0;
482	UInt suffixLength = MAX_UINT;
483	UInt codeValue = (symbol >> rParam) - COEF_REMAIN_BIN_REDUCTION;
484
485	if (codeValue >= ((1 << maximumPrefixLength) - 1))
486	{
487	prefixLength = maximumPrefixLength;
488	suffixLength = maxLog2TrDynamicRange - rParam;
489	}
490	else
491	{
492	while (codeValue > ((2 << prefixLength) - 2))
493	{
494	prefixLength++;
495	}
496
497	suffixLength = prefixLength + 1; //+1 for the separator bit
498	}
499
500	const UInt suffix = codeValue - ((1 << prefixLength) - 1);
501
502	const UInt totalPrefixLength = prefixLength + COEF_REMAIN_BIN_REDUCTION;
503	const UInt prefix = (1 << totalPrefixLength) - 1;
504	const UInt rParamBitMask = (1 << rParam) - 1;
505
506	m_pcBinIf->encodeBinsEP( prefix, totalPrefixLength ); //prefix
507	m_pcBinIf->encodeBinsEP(((suffix << rParam) \| (symbol & rParamBitMask)), (suffixLength + rParam)); //separator, suffix, and rParam bits
508	}
509	else
510	{
511	length = rParam;
512	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
513
514	while (codeNumber >= (1<<length))
515	{
516	codeNumber -= (1<<(length++));
517	}
518
519	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
520	m_pcBinIf->encodeBinsEP(codeNumber,length);
521	}
522	}
523	#if H_3D_DIM
524	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
525	{
526	if( uiSymbol )
527	{
528	m_pcBinIf->encodeBin( 1, rcSCModel );
529	UInt uiCount = 0;
530	Bool bNoExGo = ( uiSymbol < 3 );
531
532	while( --uiSymbol && ++uiCount < 3 )
533	{
534	m_pcBinIf->encodeBin( 1, rcSCModel );
535	}
536	if( bNoExGo )
537	{
538	m_pcBinIf->encodeBin( 0, rcSCModel );
539	}
540	else
541	{
542	xWriteEpExGolomb( uiSymbol, 0 );
543	}
544	}
545	else
546	{
547	m_pcBinIf->encodeBin( 0, rcSCModel );
548	}
549
550	return;
551	}
552
553	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
554	{
555	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
556	if( valDeltaDC != 0 )
557	{
558	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
559	m_pcBinIf->encodeBinEP( uiSign );
560	}
561	}
562
563	#if H_3D_DIM_DMM
564	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
565	{
566	for ( Int i = 0; i < iNumBit; i++ )
567	{
568	m_pcBinIf->encodeBinEP( ( uiTabIdx >> i ) & 1 );
569	}
570	}
571
572	#endif
573	#endif
574
575	// SBAC RD
576	Void TEncSbac::load ( const TEncSbac* pSrc)
577	{
578	this->xCopyFrom(pSrc);
579	}
580
581	Void TEncSbac::loadIntraDirMode( const TEncSbac* pSrc, const ChannelType chType )
582	{
583	m_pcBinIf->copyState( pSrc->m_pcBinIf );
584	if (isLuma(chType))
585	{
586	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
587	}
588	else
589	{
590	this->m_cCUChromaPredSCModel .copyFrom( &pSrc->m_cCUChromaPredSCModel );
591	}
592	}
593
594	#if H_3D_DIM
595	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
596	{
597	m_pcBinIf->copyState( pSrc->m_pcBinIf );
598
599	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
600	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
601	this->m_cAngleFlagSCModel .copyFrom( &pSrc->m_cAngleFlagSCModel );
602	}
603	#endif
604
605
606	Void TEncSbac::store( TEncSbac* pDest) const
607	{
608	pDest->xCopyFrom( this );
609	}
610
611
612	Void TEncSbac::xCopyFrom( const TEncSbac* pSrc )
613	{
614	m_pcBinIf->copyState( pSrc->m_pcBinIf );
615	xCopyContextsFrom(pSrc);
616	}
617
618	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
619	{
620	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
621	Int iNum = AMVP_MAX_NUM_CANDS;
622
623	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
624	#if H_MV_ENC_DEC_TRAC
625	#if ENC_DEC_TRACE
626	if ( eRefList == REF_PIC_LIST_0 )
627	{
628	DTRACE_PU("mvp_l0_flag", iSymbol)
629	}
630	else
631	{
632	DTRACE_PU("mvp_l1_flag", iSymbol)
633	}
634	#endif
635	#endif
636	}
637
638	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
639	{
640	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
641	#if NH_3D_QTLPC
642	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
643	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
644	Bool bDepthMapDetect = (pcTexture != NULL);
645	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
646
647	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);
648
649	Bool depthDependent = false;
650	UInt uiTexturePart = eSize;
651
652	#if H_3D_FCO
653	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark())
654	#else
655	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
656	#endif
657	{
658	TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr());
659	UInt uiCUIdx = (pcCU->getZorderIdxInCtu() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCtu();
660	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
661	if(pcTextureCU->getDepth(uiCUIdx) == uiDepth )
662	{
663	depthDependent = true;
664	uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx );
665	}
666	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N)
667	{
668	assert( eSize == SIZE_2Nx2N );
669	return;
670	}
671	}
672	#endif
673	const UInt log2DiffMaxMinCodingBlockSize = pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize();
674
675	if ( pcCU->isIntra( uiAbsPartIdx ) )
676	{
677	if( uiDepth == log2DiffMaxMinCodingBlockSize )
678	{
679	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
680	#if H_MV_ENC_DEC_TRAC
681	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
682	#endif
683
684	}
685	return;
686	}
687	#if H_MV_ENC_DEC_TRAC
688	DTRACE_CU("part_mode", eSize )
689	#endif
690	#if NH_3D_QTLPC
691	if (depthDependent==false \|\| uiTexturePart == SIZE_NxN\|\| uiTexturePart == SIZE_2Nx2N)
692	{
693	#endif
694
695	switch(eSize)
696	{
697	case SIZE_2Nx2N:
698	{
699	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
700	break;
701	}
702	case SIZE_2NxN:
703	case SIZE_2NxnU:
704	case SIZE_2NxnD:
705	{
706	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
707	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
708	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
709	{
710	if (eSize == SIZE_2NxN)
711	{
712	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
713	}
714	else
715	{
716	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
717	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
718	}
719	}
720	break;
721	}
722	case SIZE_Nx2N:
723	case SIZE_nLx2N:
724	case SIZE_nRx2N:
725	{
726	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
727	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
728
729	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
730	{
731	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
732	}
733
734	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
735	{
736	if (eSize == SIZE_Nx2N)
737	{
738	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
739	}
740	else
741	{
742	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
743	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
744	}
745	}
746	break;
747	}
748	case SIZE_NxN:
749	{
750	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
751	{
752	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
753	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
754	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
755	}
756	break;
757	}
758	default:
759	{
760	assert(0);
761	break;
762	}
763	}
764	#if NH_3D_QTLPC
765	}
766	else if(uiTexturePart == SIZE_2NxN \|\| uiTexturePart == SIZE_2NxnU \|\| uiTexturePart == SIZE_2NxnD)
767	{
768	//assert(eSize!=SIZE_NxN);
769	//assert(eSize!=SIZE_Nx2N);
770	//assert(eSize==SIZE_2Nx2N \|\| eSize==SIZE_2NxN \|\| eSize==SIZE_2NxnU \|\| eSize==SIZE_2NxnD);
771	switch(eSize)
772	{
773	case SIZE_2Nx2N:
774	{
775	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
776	break;
777	}
778	case SIZE_2NxN:
779	{
780	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
781	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
782	{
783	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
784	}
785	break;
786	}
787	case SIZE_2NxnU:
788	case SIZE_2NxnD:
789	{
790	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
791	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
792	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
793	break;
794	}
795	default:
796	{
797	assert(0);
798	}
799	}
800	}
801	else if(uiTexturePart == SIZE_Nx2N\|\| uiTexturePart==SIZE_nLx2N \|\| uiTexturePart==SIZE_nRx2N)
802	{
803	//assert(eSize!=SIZE_NxN);
804	//assert(eSize!=SIZE_2NxN);
805	//assert(eSize==SIZE_2Nx2N \|\|eSize==SIZE_Nx2N \|\| eSize==SIZE_nLx2N \|\| eSize==SIZE_nRx2N);
806	switch(eSize)
807	{
808	case SIZE_2Nx2N:
809	{
810	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
811	break;
812	}
813	case SIZE_Nx2N:
814	{
815	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
816	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
817	{
818	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
819	}
820	break;
821	}
822	case SIZE_nLx2N:
823	case SIZE_nRx2N:
824	{
825	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
826	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
827	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
828	break;
829	}
830	default:
831	{
832	assert(0);
833	}
834	}
835	}
836	else
837	{
838	printf("uiTexturePart=%d",uiTexturePart);
839	assert(0);
840	}
841	#endif
842
843	}
844
845
846	/** code prediction mode
847	* \param pcCU
848	* \param uiAbsPartIdx
849	* \returns Void
850	*/
851	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
852	{
853	#if H_3D_DIM_SDC
854	if ( pcCU->getSlice()->isIntra() )
855	{
856	assert( pcCU->isIntra(uiAbsPartIdx) );
857	return;
858	}
859	#endif
860
861	// get context function is here
862	m_pcBinIf->encodeBin( pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
863	#if H_MV_ENC_DEC_TRAC
864	DTRACE_CU("pred_mode_flag", pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0);
865	#endif
866
867	}
868
869	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
870	{
871	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
872	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
873	#if H_MV_ENC_DEC_TRAC
874	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
875	#endif
876
877	}
878
879	/** code skip flag
880	* \param pcCU
881	* \param uiAbsPartIdx
882	* \returns Void
883	*/
884	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
885	{
886	// get context function is here
887	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
888	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
889	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
890	#if !H_MV_ENC_DEC_TRAC
891	DTRACE_CABAC_VL( g_nSymbolCounter++ );
892	DTRACE_CABAC_T( "\tSkipFlag" );
893	DTRACE_CABAC_T( "\tuiCtxSkip: ");
894	DTRACE_CABAC_V( uiCtxSkip );
895	DTRACE_CABAC_T( "\tuiSymbol: ");
896	DTRACE_CABAC_V( uiSymbol );
897	DTRACE_CABAC_T( "\n");
898	#else
899	DTRACE_CU("cu_skip_flag", uiSymbol);
900	#endif
901	}
902
903	/** code merge flag
904	* \param pcCU
905	* \param uiAbsPartIdx
906	* \returns Void
907	*/
908	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
909	{
910	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
911	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
912
913	#if H_MV_ENC_DEC_TRAC
914	DTRACE_PU("merge_flag", uiSymbol);
915	#else
916	DTRACE_CABAC_VL( g_nSymbolCounter++ );
917	DTRACE_CABAC_T( "\tMergeFlag: " );
918	DTRACE_CABAC_V( uiSymbol );
919	DTRACE_CABAC_T( "\tAddress: " );
920	DTRACE_CABAC_V( pcCU->getCtuRsAddr() );
921	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
922	DTRACE_CABAC_V( uiAbsPartIdx );
923	DTRACE_CABAC_T( "\n" );
924	#endif
925	}
926
927	/** code merge index
928	* \param pcCU
929	* \param uiAbsPartIdx
930	* \returns Void
931	*/
932	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
933	{
934	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
935	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
936	if ( uiNumCand > 1 )
937	{
938	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
939	{
940	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
941	if ( ui==0 )
942	{
943	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
944	}
945	else
946	{
947	m_pcBinIf->encodeBinEP( uiSymbol );
948	}
949	if( uiSymbol == 0 )
950	{
951	break;
952	}
953	}
954	#if H_MV_ENC_DEC_TRAC
955	DTRACE_PU("merge_idx", uiUnaryIdx);
956	#endif
957	}
958	#if !H_MV_ENC_DEC_TRAC
959	DTRACE_CABAC_VL( g_nSymbolCounter++ );
960	DTRACE_CABAC_T( "\tparseMergeIndex()" );
961	DTRACE_CABAC_T( "\tuiMRGIdx= " );
962	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
963	DTRACE_CABAC_T( "\n" );
964	#endif
965	}
966
967	#if NH_3D_ARP
968	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
969	{
970	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
971	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
972	assert( iMaxW > 0);
973
974	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
975	Int nBinNum = iW + ( iW != iMaxW );
976	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
977	if( nBinNum > 1 )
978	{
979	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) );
980	}
981	#if H_MV_ENC_DEC_TRAC
982	DTRACE_CU("iv_res_pred_weight_idx", iW);
983	#endif
984	}
985	#endif
986
987	#if NH_3D_IC
988	/** code Illumination Compensation flag
989	* \param pcCU
990	* \param uiAbsPartIdx
991	* \returns Void
992	*/
993	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
994	{
995	// get context function is here
996	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
997	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) );
998	#if !H_MV_ENC_DEC_TRAC
999	DTRACE_CABAC_VL( g_nSymbolCounter++ );
1000	DTRACE_CABAC_T( "\tICFlag" );
1001	DTRACE_CABAC_T( "\tuiSymbol: ");
1002	DTRACE_CABAC_V( uiSymbol );
1003	DTRACE_CABAC_T( "\n");
1004	#else
1005	DTRACE_CU("ic_flag", uiSymbol );
1006	#endif
1007	}
1008	#endif
1009
1010
1011	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1012	{
1013	if( uiDepth == pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize() )
1014	{
1015	return;
1016	}
1017
1018	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
1019	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
1020
1021	assert( uiCtx < 3 );
1022	#if NH_3D_QTLPC
1023	Bool bCodeSplitFlag = true;
1024
1025
1026	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
1027	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
1028	Bool bDepthMapDetect = (pcTexture != NULL);
1029	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
1030
1031	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);
1032
1033	#if H_3D_FCO
1034	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark() )
1035	#else
1036	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
1037	#endif
1038	{
1039	TComDataCU *pcTextureCU = pcTexture->getCtu(pcCU->getCtuRsAddr());
1040	UInt uiCUIdx = (pcCU->getZorderIdxInCtu() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCtu();
1041	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
1042	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
1043	}
1044
1045	if(!bCodeSplitFlag)
1046	{
1047	assert(uiCurrSplitFlag == 0);
1048	return;
1049	}
1050	#endif
1051
1052	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
1053	#if !H_MV_ENC_DEC_TRAC
1054	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1055	DTRACE_CABAC_T( "\tSplitFlag\n" )
1056	#else
1057	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1058	#endif
1059	return;
1060	}
1061
1062	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1063	{
1064	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1065	#if !H_MV_ENC_DEC_TRAC
1066	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1067	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1068	DTRACE_CABAC_T( "\tsymbol=" )
1069	DTRACE_CABAC_V( uiSymbol )
1070	DTRACE_CABAC_T( "\tctx=" )
1071	DTRACE_CABAC_V( uiCtx )
1072	DTRACE_CABAC_T( "\n" )
1073	#else
1074	DTRACE_TU("split_transform_flag", uiSymbol )
1075	#endif
1076
1077	}
1078
1079
1080	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1081	{
1082	UInt dir[4],j;
1083	Int preds[4][NUM_MOST_PROBABLE_MODES] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1084	Int predIdx[4] ={ -1,-1,-1,-1};
1085	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1086	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1087	UInt partOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1088	for (j=0;j<partNum;j++)
1089	{
1090	dir[j] = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j );
1091	#if H_3D_DIM
1092	if( pcCU->getSlice()->getIntraSdcWedgeFlag() \|\| pcCU->getSlice()->getIntraContourFlag() )
1093	{
1094	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1095	}
1096	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1097	{
1098	#endif
1099	pcCU->getIntraDirPredictor(absPartIdx+partOffset*j, preds[j], COMPONENT_Y);
1100	for(UInt i = 0; i < NUM_MOST_PROBABLE_MODES; i++)
1101	{
1102	if(dir[j] == preds[j][i])
1103	{
1104	predIdx[j] = i;
1105	}
1106	}
1107	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1108	#if H_MV_ENC_DEC_TRAC
1109	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1110	#endif
1111	#if H_3D_DIM
1112	}
1113	#endif
1114
1115	}
1116	for (j=0;j<partNum;j++)
1117	{
1118	#if H_3D_DIM
1119	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1120	{
1121	#endif
1122	if(predIdx[j] != -1)
1123	{
1124	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1125	if (predIdx[j])
1126	{
1127	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1128	}
1129	#if H_MV_ENC_DEC_TRAC
1130	DTRACE_CU("mpm_idx", predIdx[j] );
1131	#endif
1132	}
1133	else
1134	{
1135	if (preds[j][0] > preds[j][1])
1136	{
1137	std::swap(preds[j][0], preds[j][1]);
1138	}
1139	if (preds[j][0] > preds[j][2])
1140	{
1141	std::swap(preds[j][0], preds[j][2]);
1142	}
1143	if (preds[j][1] > preds[j][2])
1144	{
1145	std::swap(preds[j][1], preds[j][2]);
1146	}
1147	for(Int i = (Int(NUM_MOST_PROBABLE_MODES) - 1); i >= 0; i--)
1148	{
1149	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1150	}
1151	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1152	#if H_MV_ENC_DEC_TRAC
1153	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1154	#endif
1155	}
1156	#if H_3D_DIM
1157	}
1158	#endif
1159	}
1160	return;
1161	}
1162
1163	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1164	{
1165	UInt uiIntraDirChroma = pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx );
1166
1167	if( uiIntraDirChroma == DM_CHROMA_IDX )
1168	{
1169	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1170	#if H_MV_ENC_DEC_TRAC
1171	DTRACE_CU("intra_chroma_pred_mode", 0 );
1172	#endif
1173	}
1174	else
1175	{
1176	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1177
1178	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1179	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1180
1181	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1182	{
1183	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1184	{
1185	uiIntraDirChroma = i;
1186	break;
1187	}
1188	}
1189
1190	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1191	#if H_MV_ENC_DEC_TRAC
1192	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1193	#endif
1194
1195	}
1196
1197	return;
1198	}
1199
1200	#if H_3D_DIM
1201	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1202	{
1203	codeIntraDepthMode( pcCU, absPartIdx );
1204
1205	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1206	UInt dimType = getDimType( dir );
1207
1208	switch( dimType )
1209	{
1210	#if H_3D_DIM_DMM
1211	case( DMM1_IDX ):
1212	{
1213	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1214	} break;
1215	case( DMM4_IDX ): break;
1216	#endif
1217	default: break;
1218	}
1219	}
1220
1221	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1222	{
1223	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1224
1225	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
1226	{
1227	m_pcBinIf->encodeBin( isDimMode( dir ) ? 0 : 1, m_cAngleFlagSCModel.get( 0, 0, 0 ) );
1228	}
1229	if( isDimMode( dir ) )
1230	{
1231	UInt uiCodeIdx = 0;
1232
1233	switch( getDimType( dir ) )
1234	{
1235	case DMM1_IDX: uiCodeIdx = 0; break;
1236	case DMM4_IDX: uiCodeIdx = 1; break;
1237	default: break;
1238	}
1239	//mode coding
1240	if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag())
1241	{
1242	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) );
1243	}
1244	}
1245	}
1246	#endif
1247
1248	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1249	{
1250	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1251	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1252	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1253
1254	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1255	{
1256	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1257	}
1258
1259	if (uiInterDir < 2)
1260	{
1261	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1262	}
1263	#if H_MV_ENC_DEC_TRAC
1264	DTRACE_PU("inter_pred_idc", uiInterDir );
1265	#endif
1266
1267	return;
1268	}
1269
1270	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1271	{
1272	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1273	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1274	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1275
1276	if( iRefFrame > 0 )
1277	{
1278	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1279	pCtx++;
1280	iRefFrame--;
1281	for( UInt ui = 0; ui < uiRefNum; ++ui )
1282	{
1283	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1284	if( ui == 0 )
1285	{
1286	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1287	}
1288	else
1289	{
1290	m_pcBinIf->encodeBinEP( uiSymbol );
1291	}
1292	if( uiSymbol == 0 )
1293	{
1294	break;
1295	}
1296	}
1297	}
1298	#if H_MV_ENC_DEC_TRAC
1299	#if ENC_DEC_TRACE
1300	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1301	if ( eRefList == REF_PIC_LIST_0 )
1302	{
1303	DTRACE_PU("ref_idx_l0", iRefFrame)
1304	}
1305	else
1306	{
1307	DTRACE_PU("ref_idx_l1", iRefFrame)
1308	}
1309	#endif
1310	#endif
1311	return;
1312	}
1313
1314	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1315	{
1316	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1317	{
1318	return;
1319	}
1320
1321	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1322	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1323	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1324	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1325
1326	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1327	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1328
1329	const Bool bHorAbsGr0 = iHor != 0;
1330	const Bool bVerAbsGr0 = iVer != 0;
1331	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1332	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1333	pCtx++;
1334
1335	if( bHorAbsGr0 )
1336	{
1337	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1338	}
1339
1340	if( bVerAbsGr0 )
1341	{
1342	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1343	}
1344
1345	if( bHorAbsGr0 )
1346	{
1347	if( uiHorAbs > 1 )
1348	{
1349	xWriteEpExGolomb( uiHorAbs-2, 1 );
1350	}
1351
1352	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1353	}
1354
1355	if( bVerAbsGr0 )
1356	{
1357	if( uiVerAbs > 1 )
1358	{
1359	xWriteEpExGolomb( uiVerAbs-2, 1 );
1360	}
1361
1362	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1363	}
1364
1365	return;
1366	}
1367
1368	Void TEncSbac::codeCrossComponentPrediction( TComTU &rTu, ComponentID compID )
1369	{
1370	TComDataCU *pcCU = rTu.getCU();
1371
1372	if( isLuma(compID) \|\| !pcCU->getSlice()->getPPS()->getPpsRangeExtension().getCrossComponentPredictionEnabledFlag() )
1373	{
1374	return;
1375	}
1376
1377	const UInt uiAbsPartIdx = rTu.GetAbsPartIdxTU();
1378
1379	if (!pcCU->isIntra(uiAbsPartIdx) \|\| (pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx ) == DM_CHROMA_IDX))
1380	{
1381	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1382	DTRACE_CABAC_T("\tparseCrossComponentPrediction()")
1383	DTRACE_CABAC_T( "\tAddr=" )
1384	DTRACE_CABAC_V( compID )
1385	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1386	DTRACE_CABAC_V( uiAbsPartIdx )
1387
1388	Int alpha = pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID );
1389	ContextModel *pCtx = m_cCrossComponentPredictionSCModel.get(0, 0) + ((compID == COMPONENT_Cr) ? (NUM_CROSS_COMPONENT_PREDICTION_CTX >> 1) : 0);
1390	m_pcBinIf->encodeBin(((alpha != 0) ? 1 : 0), pCtx[0]);
1391
1392	if (alpha != 0)
1393	{
1394	static const Int log2AbsAlphaMinus1Table[8] = { 0, 1, 1, 2, 2, 2, 3, 3 };
1395	assert(abs(alpha) <= 8);
1396
1397	if (abs(alpha)>1)
1398	{
1399	m_pcBinIf->encodeBin(1, pCtx[1]);
1400	xWriteUnaryMaxSymbol( log2AbsAlphaMinus1Table[abs(alpha) - 1] - 1, (pCtx + 2), 1, 2 );
1401	}
1402	else
1403	{
1404	m_pcBinIf->encodeBin(0, pCtx[1]);
1405	}
1406	m_pcBinIf->encodeBin( ((alpha < 0) ? 1 : 0), pCtx[4] );
1407	}
1408	DTRACE_CABAC_T( "\tAlpha=" )
1409	DTRACE_CABAC_V( pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID ) )
1410	DTRACE_CABAC_T( "\n" )
1411	}
1412	}
1413
1414	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1415	{
1416	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1417
1418	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
1419	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1420
1421	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1422	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1423	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1424	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1425	{
1426	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1427	}
1428
1429	if ( uiAbsDQp > 0)
1430	{
1431	UInt uiSign = (iDQp > 0 ? 0 : 1);
1432	m_pcBinIf->encodeBinEP(uiSign);
1433	}
1434
1435	return;
1436	}
1437
1438	/** code chroma qp adjustment, converting from the internal table representation
1439	* \returns Void
1440	*/
1441	Void TEncSbac::codeChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx )
1442	{
1443	Int internalIdc = cu->getChromaQpAdj( absPartIdx );
1444	Int chromaQpOffsetListLen = cu->getSlice()->getPPS()->getPpsRangeExtension().getChromaQpOffsetListLen();
1445	/* internal_idc == 0 => flag = 0
1446	* internal_idc > 1 => code idc value (if table size warrents) */
1447	m_pcBinIf->encodeBin( internalIdc > 0, m_ChromaQpAdjFlagSCModel.get( 0, 0, 0 ) );
1448
1449	if (internalIdc > 0 && chromaQpOffsetListLen > 1)
1450	{
1451	xWriteUnaryMaxSymbol( internalIdc - 1, &m_ChromaQpAdjIdcSCModel.get( 0, 0, 0 ), 0, chromaQpOffsetListLen - 1 );
1452	}
1453	}
1454
1455	Void TEncSbac::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel )
1456	{
1457	TComDataCU* pcCU = rTu.getCU();
1458
1459	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
1460	const UInt TUDepth = rTu.GetTransformDepthRel();
1461	UInt uiCtx = pcCU->getCtxQtCbf( rTu, toChannelType(compID) );
1462	const UInt contextSet = toChannelType(compID);
1463
1464	const UInt width = rTu.getRect(compID).width;
1465	const UInt height = rTu.getRect(compID).height;
1466	const Bool canQuadSplit = (width >= (MIN_TU_SIZE * 2)) && (height >= (MIN_TU_SIZE * 2));
1467
1468	// Since the CBF for chroma is coded at the highest level possible, if sub-TUs are
1469	// to be coded for a 4x8 chroma TU, their CBFs must be coded at the highest 4x8 level
1470	// (i.e. where luma TUs are 8x8 rather than 4x4)
1471	// ___ ___
1472	// \| \| \| <- 4 x (8x8 luma + 4x8 4:2:2 chroma)
1473	// \|___\|___\| each quadrant has its own chroma CBF
1474	// \| \| \| _ _ _ _
1475	// \|___\|___\| \|
1476	// <--16---> V
1477	// _ _
1478	// \|_\|_\| <- 4 x 4x4 luma + 1 x 4x8 4:2:2 chroma
1479	// \|_\|_\| no chroma CBF is coded - instead the parent CBF is inherited
1480	// <-8-> if sub-TUs are present, their CBFs had to be coded at the parent level
1481
1482	const UInt lowestTUDepth = TUDepth + ((!lowestLevel && !canQuadSplit) ? 1 : 0); //unsplittable TUs inherit their parent's CBF
1483
1484	if ((width != height) && (lowestLevel \|\| !canQuadSplit)) //if sub-TUs are present
1485	{
1486	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)
1487	const UInt partIdxesPerSubTU = rTu.GetAbsPartIdxNumParts(compID) >> 1;
1488
1489	for (UInt subTU = 0; subTU < 2; subTU++)
1490	{
1491	const UInt subTUAbsPartIdx = absPartIdx + (subTU * partIdxesPerSubTU);
1492	const UInt uiCbf = pcCU->getCbf(subTUAbsPartIdx, compID, subTUDepth);
1493
1494	m_pcBinIf->encodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx));
1495	#if !H_MV_ENC_DEC_TRAC
1496	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1497	DTRACE_CABAC_T( "\tparseQtCbf()" )
1498	DTRACE_CABAC_T( "\tsub-TU=" )
1499	DTRACE_CABAC_V( subTU )
1500	DTRACE_CABAC_T( "\tsymbol=" )
1501	DTRACE_CABAC_V( uiCbf )
1502	DTRACE_CABAC_T( "\tctx=" )
1503	DTRACE_CABAC_V( uiCtx )
1504	DTRACE_CABAC_T( "\tetype=" )
1505	DTRACE_CABAC_V( compID )
1506	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1507	DTRACE_CABAC_V( subTUAbsPartIdx )
1508	DTRACE_CABAC_T( "\n" )
1509	#else
1510	if ( compID == COMPONENT_Cb )
1511	{
1512	DTRACE_TU("cbf_cb", uiCbf )
1513	}
1514	else if ( compID == COMPONENT_Cr )
1515	{
1516	DTRACE_TU("cbf_cr", uiCbf )
1517	}
1518	else
1519	{
1520	DTRACE_TU("cbf_luma", uiCbf )
1521	}
1522	#endif
1523	}
1524	}
1525	else
1526	{
1527	const UInt uiCbf = pcCU->getCbf( absPartIdx, compID, lowestTUDepth );
1528	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, contextSet, uiCtx ) );
1529	#if !H_MV_ENC_DEC_TRAC
1530	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1531	DTRACE_CABAC_T( "\tparseQtCbf()" )
1532	DTRACE_CABAC_T( "\tsymbol=" )
1533	DTRACE_CABAC_V( uiCbf )
1534	DTRACE_CABAC_T( "\tctx=" )
1535	DTRACE_CABAC_V( uiCtx )
1536	DTRACE_CABAC_T( "\tetype=" )
1537	DTRACE_CABAC_V( compID )
1538	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1539	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) )
1540	DTRACE_CABAC_T( "\n" )
1541	#else
1542	if ( compID == COMPONENT_Cb )
1543	{
1544	DTRACE_TU("cbf_cb", uiCbf )
1545	}
1546	else if ( compID == COMPONENT_Cr )
1547	{
1548	DTRACE_TU("cbf_cr", uiCbf )
1549	}
1550	else
1551	{
1552	DTRACE_TU("cbf_luma", uiCbf )
1553	}
1554	#endif
1555
1556	}
1557	}
1558
1559
1560	Void TEncSbac::codeTransformSkipFlags (TComTU &rTu, ComponentID component )
1561	{
1562	TComDataCU* pcCU=rTu.getCU();
1563	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU();
1564
1565	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1566	{
1567	return;
1568	}
1569
1570	if (!TUCompRectHasAssociatedTransformSkipFlag(rTu.getRect(component), pcCU->getSlice()->getPPS()->getPpsRangeExtension().getLog2MaxTransformSkipBlockSize()))
1571	{
1572	return;
1573	}
1574
1575	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,component);
1576	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, toChannelType(component), 0 ) );
1577	#if !H_MV_ENC_DEC_TRAC
1578	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1579	DTRACE_CABAC_T("\tparseTransformSkip()");
1580	DTRACE_CABAC_T( "\tsymbol=" )
1581	DTRACE_CABAC_V( useTransformSkip )
1582	DTRACE_CABAC_T( "\tAddr=" )
1583	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1584	DTRACE_CABAC_T( "\tetype=" )
1585	DTRACE_CABAC_V( component )
1586	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1587	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU() )
1588	DTRACE_CABAC_T( "\n" )
1589	#endif
1590	}
1591
1592
1593	/** Code I_PCM information.
1594	* \param pcCU pointer to CU
1595	* \param uiAbsPartIdx CU index
1596	* \returns Void
1597	*/
1598	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1599	{
1600	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1601
1602	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1603
1604	m_pcBinIf->encodeBinTrm (uiIPCM);
1605	#if H_MV_ENC_DEC_TRAC
1606	DTRACE_CU("pcm_flag", uiIPCM)
1607	#endif
1608	if (writePCMSampleFlag)
1609	{
1610	m_pcBinIf->encodePCMAlignBits();
1611
1612	const UInt minCoeffSizeY = pcCU->getPic()->getMinCUWidth() * pcCU->getPic()->getMinCUHeight();
1613	const UInt offsetY = minCoeffSizeY * uiAbsPartIdx;
1614	for (UInt ch=0; ch < pcCU->getPic()->getNumberValidComponents(); ch++)
1615	{
1616	const ComponentID compID = ComponentID(ch);
1617	const UInt offset = offsetY >> (pcCU->getPic()->getComponentScaleX(compID) + pcCU->getPic()->getComponentScaleY(compID));
1618	Pel * pPCMSample = pcCU->getPCMSample(compID) + offset;
1619	const UInt width = pcCU->getWidth (uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleX(compID);
1620	const UInt height = pcCU->getHeight(uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleY(compID);
1621	const UInt sampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepth(toChannelType(compID));
1622	for (UInt y=0; y<height; y++)
1623	{
1624	for (UInt x=0; x<width; x++)
1625	{
1626	UInt sample = pPCMSample[x];
1627	m_pcBinIf->xWritePCMCode(sample, sampleBits);
1628	}
1629	pPCMSample += width;
1630	}
1631	}
1632	m_pcBinIf->resetBac();
1633	}
1634	}
1635
1636	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1637	{
1638	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1639	UInt uiCtx = 0;
1640	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1641	#if !H_MV_ENC_DEC_TRAC
1642	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1643	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1644	DTRACE_CABAC_T( "\tsymbol=" )
1645	DTRACE_CABAC_V( uiCbf )
1646	DTRACE_CABAC_T( "\tctx=" )
1647	DTRACE_CABAC_V( uiCtx )
1648	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1649	DTRACE_CABAC_V( uiAbsPartIdx )
1650	DTRACE_CABAC_T( "\n" )
1651	#else
1652	DTRACE_CU( "rqt_root_cbf", uiCbf )
1653	#endif
1654	}
1655
1656	Void TEncSbac::codeQtCbfZero( TComTU & rTu, const ChannelType chType )
1657	{
1658	// this function is only used to estimate the bits when cbf is 0
1659	// and will never be called when writing the bistream. do not need to write log
1660	UInt uiCbf = 0;
1661	UInt uiCtx = rTu.getCU()->getCtxQtCbf( rTu, chType );
1662
1663	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, chType, uiCtx ) );
1664	}
1665
1666	Void TEncSbac::codeQtRootCbfZero( )
1667	{
1668	// this function is only used to estimate the bits when cbf is 0
1669	// and will never be called when writing the bistream. do not need to write log
1670	UInt uiCbf = 0;
1671	UInt uiCtx = 0;
1672	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1673	}
1674
1675	/** Encode (X,Y) position of the last significant coefficient
1676	* \param uiPosX X component of last coefficient
1677	* \param uiPosY Y component of last coefficient
1678	* \param width Block width
1679	* \param height Block height
1680	* \param component chroma component ID
1681	* \param uiScanIdx scan type (zig-zag, hor, ver)
1682	* This method encodes the X and Y component within a block of the last significant coefficient.
1683	*/
1684	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx )
1685	{
1686	// swap
1687	if( uiScanIdx == SCAN_VER )
1688	{
1689	swap( uiPosX, uiPosY );
1690	swap( width, height );
1691	}
1692
1693	UInt uiCtxLast;
1694	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1695	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1696
1697	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, toChannelType(component) );
1698	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, toChannelType(component) );
1699
1700	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1701	getLastSignificantContextParameters(component, width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
1702
1703	//------------------
1704
1705	// posX
1706
1707	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1708	{
1709	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1710	}
1711	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1712	{
1713	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1714	}
1715
1716	// posY
1717
1718	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1719	{
1720	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1721	}
1722	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1723	{
1724	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1725	}
1726
1727	// EP-coded part
1728
1729	if ( uiGroupIdxX > 3 )
1730	{
1731	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1732	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1733	for (Int i = uiCount - 1 ; i >= 0; i-- )
1734	{
1735	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1736	}
1737	}
1738	if ( uiGroupIdxY > 3 )
1739	{
1740	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1741	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1742	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1743	{
1744	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1745	}
1746	}
1747	}
1748
1749
1750	Void TEncSbac::codeCoeffNxN( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID )
1751	{
1752	TComDataCU* pcCU=rTu.getCU();
1753	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(compID);
1754	const TComRectangle &tuRect=rTu.getRect(compID);
1755	const UInt uiWidth=tuRect.width;
1756	const UInt uiHeight=tuRect.height;
1757	const TComSPS &sps=*(pcCU->getSlice()->getSPS());
1758	#if !H_MV_ENC_DEC_TRAC
1759
1760	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1761	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1762	DTRACE_CABAC_V( compID )
1763	DTRACE_CABAC_T( "\twidth=" )
1764	DTRACE_CABAC_V( uiWidth )
1765	DTRACE_CABAC_T( "\theight=" )
1766	DTRACE_CABAC_V( uiHeight )
1767	DTRACE_CABAC_T( "\tdepth=" )
1768	// DTRACE_CABAC_V( rTu.GetTransformDepthTotalAdj(compID) )
1769	DTRACE_CABAC_V( rTu.GetTransformDepthTotal() )
1770	DTRACE_CABAC_T( "\tabspartidx=" )
1771	DTRACE_CABAC_V( uiAbsPartIdx )
1772	DTRACE_CABAC_T( "\ttoCU-X=" )
1773	DTRACE_CABAC_V( pcCU->getCUPelX() )
1774	DTRACE_CABAC_T( "\ttoCU-Y=" )
1775	DTRACE_CABAC_V( pcCU->getCUPelY() )
1776	DTRACE_CABAC_T( "\tCU-addr=" )
1777	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1778	DTRACE_CABAC_T( "\tinCU-X=" )
1779	// DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1780	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1781	DTRACE_CABAC_T( "\tinCU-Y=" )
1782	// DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1783	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1784	DTRACE_CABAC_T( "\tpredmode=" )
1785	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1786	DTRACE_CABAC_T( "\n" )
1787	#endif
1788
1789	//--------------------------------------------------------------------------------------------------
1790
1791	if( uiWidth > sps.getMaxTrSize() )
1792	{
1793	std::cerr << "ERROR: codeCoeffNxN was passed a TU with dimensions larger than the maximum allowed size" << std::endl;
1794	assert(false);
1795	exit(1);
1796	}
1797
1798	// compute number of significant coefficients
1799	UInt uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1800
1801	if ( uiNumSig == 0 )
1802	{
1803	std::cerr << "ERROR: codeCoeffNxN called for empty TU!" << std::endl;
1804	assert(false);
1805	exit(1);
1806	}
1807
1808	//--------------------------------------------------------------------------------------------------
1809
1810	//set parameters
1811
1812	const ChannelType chType = toChannelType(compID);
1813	const UInt uiLog2BlockWidth = g_aucConvertToBit[ uiWidth ] + 2;
1814	const UInt uiLog2BlockHeight = g_aucConvertToBit[ uiHeight ] + 2;
1815
1816	const ChannelType channelType = toChannelType(compID);
1817	const Bool extendedPrecision = sps.getSpsRangeExtension().getExtendedPrecisionProcessingFlag();
1818
1819	const Bool alignCABACBeforeBypass = sps.getSpsRangeExtension().getCabacBypassAlignmentEnabledFlag();
1820	const Int maxLog2TrDynamicRange = sps.getMaxLog2TrDynamicRange(channelType);
1821
1822	Bool beValid;
1823
1824	{
1825	Int uiIntraMode = -1;
1826	const Bool bIsLuma = isLuma(compID);
1827	Int isIntra = pcCU->isIntra(uiAbsPartIdx) ? 1 : 0;
1828	if ( isIntra )
1829	{
1830	uiIntraMode = pcCU->getIntraDir( toChannelType(compID), uiAbsPartIdx );
1831
1832	const UInt partsPerMinCU = 1<<(2*(sps.getMaxTotalCUDepth() - sps.getLog2DiffMaxMinCodingBlockSize()));
1833	uiIntraMode = (uiIntraMode==DM_CHROMA_IDX && !bIsLuma) ? pcCU->getIntraDir(CHANNEL_TYPE_LUMA, getChromasCorrespondingPULumaIdx(uiAbsPartIdx, rTu.GetChromaFormat(), partsPerMinCU)) : uiIntraMode;
1834	uiIntraMode = ((rTu.GetChromaFormat() == CHROMA_422) && !bIsLuma) ? g_chroma422IntraAngleMappingTable[uiIntraMode] : uiIntraMode;
1835	}
1836
1837	Int transformSkip = pcCU->getTransformSkip( uiAbsPartIdx,compID) ? 1 : 0;
1838	Bool rdpcm_lossy = ( transformSkip && isIntra && ( (uiIntraMode == HOR_IDX) \|\| (uiIntraMode == VER_IDX) ) ) && pcCU->isRDPCMEnabled(uiAbsPartIdx);
1839
1840	if ( (pcCU->getCUTransquantBypass(uiAbsPartIdx)) \|\| rdpcm_lossy )
1841	{
1842	beValid = false;
1843	if ( (!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1844	{
1845	codeExplicitRdpcmMode( rTu, compID);
1846	}
1847	}
1848	else
1849	{
1850	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag();
1851	}
1852	}
1853
1854	//--------------------------------------------------------------------------------------------------
1855
1856	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1857	{
1858	codeTransformSkipFlags(rTu, compID);
1859	if(pcCU->getTransformSkip(uiAbsPartIdx, compID) && !pcCU->isIntra(uiAbsPartIdx) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1860	{
1861	// This TU has coefficients and is transform skipped. Check whether is inter coded and if yes encode the explicit RDPCM mode
1862	codeExplicitRdpcmMode( rTu, compID);
1863
1864	if(pcCU->getExplicitRdpcmMode(compID, uiAbsPartIdx) != RDPCM_OFF)
1865	{
1866	// Sign data hiding is avoided for horizontal and vertical explicit RDPCM modes
1867	beValid = false;
1868	}
1869	}
1870	}
1871
1872	//--------------------------------------------------------------------------------------------------
1873
1874	const Bool bUseGolombRiceParameterAdaptation = sps.getSpsRangeExtension().getPersistentRiceAdaptationEnabledFlag();
1875	UInt &currentGolombRiceStatistic = m_golombRiceAdaptationStatistics[rTu.getGolombRiceStatisticsIndex(compID)];
1876
1877	//select scans
1878	TUEntropyCodingParameters codingParameters;
1879	getTUEntropyCodingParameters(codingParameters, rTu, compID);
1880
1881	//----- encode significance map -----
1882
1883	// Find position of last coefficient
1884	Int scanPosLast = -1;
1885	Int posLast;
1886
1887
1888	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1889
1890	memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1891	do
1892	{
1893	posLast = codingParameters.scan[ ++scanPosLast ];
1894
1895	if( pcCoef[ posLast ] != 0 )
1896	{
1897	// get L1 sig map
1898	UInt uiPosY = posLast >> uiLog2BlockWidth;
1899	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockWidth );
1900
1901	UInt uiBlkIdx = (codingParameters.widthInGroups * (uiPosY >> MLS_CG_LOG2_HEIGHT)) + (uiPosX >> MLS_CG_LOG2_WIDTH);
1902	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1903
1904	uiNumSig--;
1905	}
1906	} while ( uiNumSig > 0 );
1907
1908	// Code position of last coefficient
1909	Int posLastY = posLast >> uiLog2BlockWidth;
1910	Int posLastX = posLast - ( posLastY << uiLog2BlockWidth );
1911	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, compID, codingParameters.scanType);
1912
1913	//===== code significance flag =====
1914	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, chType );
1915	ContextModel * const baseCtx = m_cCUSigSCModel.get( 0, 0 ) + getSignificanceMapContextOffset(compID);
1916
1917	const Int iLastScanSet = scanPosLast >> MLS_CG_SIZE;
1918
1919	UInt c1 = 1;
1920	UInt uiGoRiceParam = 0;
1921	Int iScanPosSig = scanPosLast;
1922
1923	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1924	{
1925	Int numNonZero = 0;
1926	Int iSubPos = iSubSet << MLS_CG_SIZE;
1927	uiGoRiceParam = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1928	Bool updateGolombRiceStatistics = bUseGolombRiceParameterAdaptation; //leave the statistics at 0 when not using the adaptation system
1929	UInt coeffSigns = 0;
1930
1931	Int absCoeff[1 << MLS_CG_SIZE];
1932
1933	Int lastNZPosInCG = -1;
1934	Int firstNZPosInCG = 1 << MLS_CG_SIZE;
1935
1936	Bool escapeDataPresentInGroup = false;
1937
1938	if( iScanPosSig == scanPosLast )
1939	{
1940	absCoeff[ 0 ] = Int(abs( pcCoef[ posLast ] ));
1941	coeffSigns = ( pcCoef[ posLast ] < 0 );
1942	numNonZero = 1;
1943	lastNZPosInCG = iScanPosSig;
1944	firstNZPosInCG = iScanPosSig;
1945	iScanPosSig--;
1946	}
1947
1948	// encode significant_coeffgroup_flag
1949	Int iCGBlkPos = codingParameters.scanCG[ iSubSet ];
1950	Int iCGPosY = iCGBlkPos / codingParameters.widthInGroups;
1951	Int iCGPosX = iCGBlkPos - (iCGPosY * codingParameters.widthInGroups);
1952
1953	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1954	{
1955	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1956	}
1957	else
1958	{
1959	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1960	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups );
1961	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1962	}
1963
1964	// encode significant_coeff_flag
1965	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1966	{
1967	const Int patternSigCtx = TComTrQuant::calcPatternSigCtx(uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups);
1968
1969	UInt uiBlkPos, uiSig, uiCtxSig;
1970	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1971	{
1972	uiBlkPos = codingParameters.scan[ iScanPosSig ];
1973	uiSig = (pcCoef[ uiBlkPos ] != 0);
1974	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1975	{
1976	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, codingParameters, iScanPosSig, uiLog2BlockWidth, uiLog2BlockHeight, chType );
1977	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1978	}
1979	if( uiSig )
1980	{
1981	absCoeff[ numNonZero ] = Int(abs( pcCoef[ uiBlkPos ] ));
1982	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1983	numNonZero++;
1984	if( lastNZPosInCG == -1 )
1985	{
1986	lastNZPosInCG = iScanPosSig;
1987	}
1988	firstNZPosInCG = iScanPosSig;
1989	}
1990	}
1991	}
1992	else
1993	{
1994	iScanPosSig = iSubPos - 1;
1995	}
1996
1997	if( numNonZero > 0 )
1998	{
1999	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
2000
2001	const UInt uiCtxSet = getContextSetIndex(compID, iSubSet, (c1 == 0));
2002	c1 = 1;
2003
2004	ContextModel baseCtxMod = m_cCUOneSCModel.get( 0, 0 ) + (NUM_ONE_FLAG_CTX_PER_SET uiCtxSet);
2005
2006	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2007	Int firstC2FlagIdx = -1;
2008	for( Int idx = 0; idx < numC1Flag; idx++ )
2009	{
2010	UInt uiSymbol = absCoeff[ idx ] > 1;
2011	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2012	if( uiSymbol )
2013	{
2014	c1 = 0;
2015
2016	if (firstC2FlagIdx == -1)
2017	{
2018	firstC2FlagIdx = idx;
2019	}
2020	else //if a greater-than-one has been encountered already this group
2021	{
2022	escapeDataPresentInGroup = true;
2023	}
2024	}
2025	else if( (c1 < 3) && (c1 > 0) )
2026	{
2027	c1++;
2028	}
2029	}
2030
2031	if (c1 == 0)
2032	{
2033	baseCtxMod = m_cCUAbsSCModel.get( 0, 0 ) + (NUM_ABS_FLAG_CTX_PER_SET * uiCtxSet);
2034	if ( firstC2FlagIdx != -1)
2035	{
2036	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2037	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2038	if (symbol != 0)
2039	{
2040	escapeDataPresentInGroup = true;
2041	}
2042	}
2043	}
2044
2045	escapeDataPresentInGroup = escapeDataPresentInGroup \|\| (numNonZero > C1FLAG_NUMBER);
2046
2047	if (escapeDataPresentInGroup && alignCABACBeforeBypass)
2048	{
2049	m_pcBinIf->align();
2050	}
2051
2052	if( beValid && signHidden )
2053	{
2054	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2055	}
2056	else
2057	{
2058	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2059	}
2060
2061	Int iFirstCoeff2 = 1;
2062	if (escapeDataPresentInGroup)
2063	{
2064	for ( Int idx = 0; idx < numNonZero; idx++ )
2065	{
2066	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2067
2068	if( absCoeff[ idx ] >= baseLevel)
2069	{
2070	const UInt escapeCodeValue = absCoeff[idx] - baseLevel;
2071
2072	xWriteCoefRemainExGolomb( escapeCodeValue, uiGoRiceParam, extendedPrecision, maxLog2TrDynamicRange );
2073
2074	if (absCoeff[idx] > (3 << uiGoRiceParam))
2075	{
2076	uiGoRiceParam = bUseGolombRiceParameterAdaptation ? (uiGoRiceParam + 1) : (std::min<UInt>((uiGoRiceParam + 1), 4));
2077	}
2078
2079	if (updateGolombRiceStatistics)
2080	{
2081	const UInt initialGolombRiceParameter = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
2082
2083	if (escapeCodeValue >= (3 << initialGolombRiceParameter))
2084	{
2085	currentGolombRiceStatistic++;
2086	}
2087	else if (((escapeCodeValue * 2) < (1 << initialGolombRiceParameter)) && (currentGolombRiceStatistic > 0))
2088	{
2089	currentGolombRiceStatistic--;
2090	}
2091
2092	updateGolombRiceStatistics = false;
2093	}
2094	}
2095
2096	if(absCoeff[ idx ] >= 2)
2097	{
2098	iFirstCoeff2 = 0;
2099	}
2100	}
2101	}
2102	}
2103	}
2104	#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
2105	printSBACCoeffData(posLastX, posLastY, uiWidth, uiHeight, compID, uiAbsPartIdx, codingParameters.scanType, pcCoef, pcCU->getSlice()->getFinalized());
2106	#endif
2107
2108	return;
2109	}
2110
2111	/** code SAO offset sign
2112	* \param code sign value
2113	*/
2114	Void TEncSbac::codeSAOSign( UInt code )
2115	{
2116	m_pcBinIf->encodeBinEP( code );
2117	}
2118
2119	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
2120	{
2121	if (maxSymbol == 0)
2122	{
2123	return;
2124	}
2125
2126	Int i;
2127	Bool bCodeLast = ( maxSymbol > code );
2128
2129	if ( code == 0 )
2130	{
2131	m_pcBinIf->encodeBinEP( 0 );
2132	}
2133	else
2134	{
2135	m_pcBinIf->encodeBinEP( 1 );
2136	for ( i=0; i<code-1; i++ )
2137	{
2138	m_pcBinIf->encodeBinEP( 1 );
2139	}
2140	if( bCodeLast )
2141	{
2142	m_pcBinIf->encodeBinEP( 0 );
2143	}
2144	}
2145	}
2146
2147	/** Code SAO EO class or BO band position
2148	*/
2149	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
2150	{
2151	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
2152	}
2153
2154	/** Code SAO merge flags
2155	*/
2156	Void TEncSbac::codeSaoMerge ( UInt uiCode )
2157	{
2158	m_pcBinIf->encodeBin(((uiCode == 0) ? 0 : 1), m_cSaoMergeSCModel.get( 0, 0, 0 ));
2159	}
2160
2161	/** Code SAO type index
2162	*/
2163	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2164	{
2165	if (uiCode == 0)
2166	{
2167	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2168	}
2169	else
2170	{
2171	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2172	m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
2173	}
2174	}
2175
2176	Void TEncSbac::codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth)
2177	{
2178	UInt uiSymbol;
2179	if(!sliceEnabled)
2180	{
2181	assert(ctbParam.modeIdc == SAO_MODE_OFF);
2182	return;
2183	}
2184	const Bool bIsFirstCompOfChType = (getFirstComponentOfChannel(toChannelType(compIdx)) == compIdx);
2185
2186	//type
2187	if(bIsFirstCompOfChType)
2188	{
2189	//sao_type_idx_luma or sao_type_idx_chroma
2190	if(ctbParam.modeIdc == SAO_MODE_OFF)
2191	{
2192	uiSymbol =0;
2193	}
2194	else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
2195	{
2196	uiSymbol = 1;
2197	}
2198	else
2199	{
2200	assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
2201	uiSymbol = 2;
2202	}
2203	codeSaoTypeIdx(uiSymbol);
2204	}
2205
2206	if(ctbParam.modeIdc == SAO_MODE_NEW)
2207	{
2208	Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
2209	Int offset[4];
2210	Int k=0;
2211	for(Int i=0; i< numClasses; i++)
2212	{
2213	if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
2214	{
2215	continue;
2216	}
2217	Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
2218	offset[k] = ctbParam.offset[classIdx];
2219	k++;
2220	}
2221
2222	const Int maxOffsetQVal = TComSampleAdaptiveOffset::getMaxOffsetQVal(channelBitDepth);
2223	for(Int i=0; i< 4; i++)
2224	{
2225	codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), maxOffsetQVal ); //sao_offset_abs
2226	}
2227
2228
2229	if(ctbParam.typeIdc == SAO_TYPE_BO)
2230	{
2231	for(Int i=0; i< 4; i++)
2232	{
2233	if(offset[i] != 0)
2234	{
2235	codeSAOSign((offset[i]< 0)?1:0);
2236	}
2237	}
2238
2239	codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
2240	}
2241	else //EO
2242	{
2243	if(bIsFirstCompOfChType)
2244	{
2245	assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
2246	codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
2247	}
2248	}
2249
2250	}
2251	}
2252
2253
2254	Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths
2255	, Bool* sliceEnabled
2256	, Bool leftMergeAvail
2257	, Bool aboveMergeAvail
2258	, Bool onlyEstMergeInfo // = false
2259	)
2260	{
2261
2262	Bool isLeftMerge = false;
2263	Bool isAboveMerge= false;
2264
2265	if(leftMergeAvail)
2266	{
2267	isLeftMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_LEFT));
2268	codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
2269	}
2270
2271	if( aboveMergeAvail && !isLeftMerge)
2272	{
2273	isAboveMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_ABOVE));
2274	codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
2275	}
2276
2277	if(onlyEstMergeInfo)
2278	{
2279	return; //only for RDO
2280	}
2281
2282	if(!isLeftMerge && !isAboveMerge) //not merge mode
2283	{
2284	for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++)
2285	{
2286	codeSAOOffsetParam(ComponentID(compIdx), saoBlkParam[compIdx], sliceEnabled[compIdx], bitDepths.recon[toChannelType(ComponentID(compIdx))]);
2287	}
2288	}
2289	}
2290
2291	/*!
2292	****************************************************************************
2293	* \brief
2294	* estimate bit cost for CBP, significant map and significant coefficients
2295	****************************************************************************
2296	*/
2297	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2298	{
2299	estCBFBit( pcEstBitsSbac );
2300
2301	estSignificantCoeffGroupMapBit( pcEstBitsSbac, chType );
2302
2303	// encode significance map
2304	estSignificantMapBit( pcEstBitsSbac, width, height, chType );
2305
2306	// encode last significant position
2307	estLastSignificantPositionBit( pcEstBitsSbac, width, height, chType );
2308
2309	// encode significant coefficients
2310	estSignificantCoefficientsBit( pcEstBitsSbac, chType );
2311
2312	memcpy(pcEstBitsSbac->golombRiceAdaptationStatistics, m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2313	}
2314
2315	/*!
2316	****************************************************************************
2317	* \brief
2318	* estimate bit cost for each CBP bit
2319	****************************************************************************
2320	*/
2321	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2322	{
2323	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2324
2325	for( UInt uiCtxInc = 0; uiCtxInc < (NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET); uiCtxInc++ )
2326	{
2327	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2328	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2329	}
2330
2331	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2332
2333	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2334	{
2335	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2336	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2337	}
2338	}
2339
2340
2341	/*!
2342	****************************************************************************
2343	* \brief
2344	* estimate SAMBAC bit cost for significant coefficient group map
2345	****************************************************************************
2346	*/
2347	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2348	{
2349	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2350
2351	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2352	{
2353	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2354	{
2355	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, chType, ctxIdx ).getEntropyBits( uiBin );
2356	}
2357	}
2358	}
2359
2360
2361	/*!
2362	****************************************************************************
2363	* \brief
2364	* estimate SAMBAC bit cost for significant coefficient map
2365	****************************************************************************
2366	*/
2367	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2368	{
2369	//--------------------------------------------------------------------------------------------------
2370
2371	//set up the number of channels and context variables
2372
2373	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2374	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2375
2376	//----------------------------------------------------------
2377
2378	Int firstCtx = MAX_INT;
2379	Int numCtx = MAX_INT;
2380
2381	if ((width == 4) && (height == 4))
2382	{
2383	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_4x4];
2384	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_4x4];
2385	}
2386	else if ((width == 8) && (height == 8))
2387	{
2388	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_8x8];
2389	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_8x8];
2390	}
2391	else
2392	{
2393	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_NxN];
2394	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_NxN];
2395	}
2396
2397	//--------------------------------------------------------------------------------------------------
2398
2399	//fill the data for the significace map
2400
2401	for (UInt component = firstComponent; component <= lastComponent; component++)
2402	{
2403	const UInt contextOffset = getSignificanceMapContextOffset(ComponentID(component));
2404
2405	if (firstCtx > 0)
2406	{
2407	for( UInt bin = 0; bin < 2; bin++ ) //always get the DC
2408	{
2409	pcEstBitsSbac->significantBits[ contextOffset ][ bin ] = m_cCUSigSCModel.get( 0, 0, contextOffset ).getEntropyBits( bin );
2410	}
2411	}
2412
2413	// This could be made optional, but would require this function to have knowledge of whether the
2414	// TU is transform-skipped or transquant-bypassed and whether the SPS flag is set
2415	for( UInt bin = 0; bin < 2; bin++ )
2416	{
2417	const Int ctxIdx = significanceMapContextSetStart[chType][CONTEXT_TYPE_SINGLE];
2418	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ bin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( bin );
2419	}
2420
2421	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2422	{
2423	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2424	{
2425	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( uiBin );
2426	}
2427	}
2428	}
2429
2430	//--------------------------------------------------------------------------------------------------
2431	}
2432
2433
2434	/*!
2435	****************************************************************************
2436	* \brief
2437	* estimate bit cost of significant coefficient
2438	****************************************************************************
2439	*/
2440
2441	Void TEncSbac::estLastSignificantPositionBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2442	{
2443	//--------------------------------------------------------------------------------------------------.
2444
2445	//set up the number of channels
2446
2447	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2448	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2449
2450	//--------------------------------------------------------------------------------------------------
2451
2452	//fill the data for the last-significant-coefficient position
2453
2454	for (UInt componentIndex = firstComponent; componentIndex <= lastComponent; componentIndex++)
2455	{
2456	const ComponentID component = ComponentID(componentIndex);
2457
2458	Int iBitsX = 0, iBitsY = 0;
2459
2460	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2461	getLastSignificantContextParameters(ComponentID(component), width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
2462
2463	Int ctx;
2464
2465	const ChannelType channelType = toChannelType(ComponentID(component));
2466
2467	ContextModel *const pCtxX = m_cCuCtxLastX.get( 0, channelType );
2468	ContextModel *const pCtxY = m_cCuCtxLastY.get( 0, channelType );
2469	Int *const lastXBitsArray = pcEstBitsSbac->lastXBits[channelType];
2470	Int *const lastYBitsArray = pcEstBitsSbac->lastYBits[channelType];
2471
2472	//------------------------------------------------
2473
2474	//X-coordinate
2475
2476	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2477	{
2478	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2479	lastXBitsArray[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2480	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2481	}
2482
2483	lastXBitsArray[ctx] = iBitsX;
2484
2485	//------------------------------------------------
2486
2487	//Y-coordinate
2488
2489	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2490	{
2491	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2492	lastYBitsArray[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2493	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2494	}
2495
2496	lastYBitsArray[ctx] = iBitsY;
2497
2498	} //end of component loop
2499
2500	//--------------------------------------------------------------------------------------------------
2501	}
2502
2503
2504	/*!
2505	****************************************************************************
2506	* \brief
2507	* estimate bit cost of significant coefficient
2508	****************************************************************************
2509	*/
2510	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2511	{
2512	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2513	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2514
2515	const UInt oneStartIndex = ((isLuma(chType)) ? (0) : (NUM_ONE_FLAG_CTX_LUMA));
2516	const UInt oneStopIndex = ((isLuma(chType)) ? (NUM_ONE_FLAG_CTX_LUMA) : (NUM_ONE_FLAG_CTX));
2517	const UInt absStartIndex = ((isLuma(chType)) ? (0) : (NUM_ABS_FLAG_CTX_LUMA));
2518	const UInt absStopIndex = ((isLuma(chType)) ? (NUM_ABS_FLAG_CTX_LUMA) : (NUM_ABS_FLAG_CTX));
2519
2520	for (Int ctxIdx = oneStartIndex; ctxIdx < oneStopIndex; ctxIdx++)
2521	{
2522	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2523	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2524	}
2525
2526	for (Int ctxIdx = absStartIndex; ctxIdx < absStopIndex; ctxIdx++)
2527	{
2528	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2529	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2530	}
2531	}
2532
2533	/**
2534	- Initialize our context information from the nominated source.
2535	.
2536	\param pSrc From where to copy context information.
2537	*/
2538	Void TEncSbac::xCopyContextsFrom( const TEncSbac* pSrc )
2539	{
2540	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2541	memcpy(m_golombRiceAdaptationStatistics, pSrc->m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2542	}
2543
2544	Void TEncSbac::loadContexts ( const TEncSbac* pSrc)
2545	{
2546	xCopyContextsFrom(pSrc);
2547	}
2548
2549	/** Performs CABAC encoding of the explicit RDPCM mode
2550	* \param rTu current TU data structure
2551	* \param compID component identifier
2552	*/
2553	Void TEncSbac::codeExplicitRdpcmMode( TComTU &rTu, const ComponentID compID )
2554	{
2555	TComDataCU *cu = rTu.getCU();
2556	const TComRectangle &rect = rTu.getRect(compID);
2557	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
2558	const UInt tuHeight = g_aucConvertToBit[rect.height];
2559	const UInt tuWidth = g_aucConvertToBit[rect.width];
2560
2561	assert(tuHeight == tuWidth);
2562	assert(tuHeight < 4);
2563
2564	UInt explicitRdpcmMode = cu->getExplicitRdpcmMode(compID, absPartIdx);
2565
2566	if( explicitRdpcmMode == RDPCM_OFF )
2567	{
2568	m_pcBinIf->encodeBin (0, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2569	}
2570	else if( explicitRdpcmMode == RDPCM_HOR \|\| explicitRdpcmMode == RDPCM_VER )
2571	{
2572	m_pcBinIf->encodeBin (1, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2573	if(explicitRdpcmMode == RDPCM_HOR)
2574	{
2575	m_pcBinIf->encodeBin ( 0, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2576	}
2577	else
2578	{
2579	m_pcBinIf->encodeBin ( 1, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2580	}
2581	}
2582	else
2583	{
2584	assert(0);
2585	}
2586	}
2587
2588	#if H_3D_INTER_SDC
2589	Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx )
2590	{
2591	if( !( pcCU->getSDCFlag( absPartIdx ) \|\| ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) )
2592	{
2593	assert( 0 );
2594	}
2595
2596	UInt uiNumSegments = isDimMode( pcCU->getLumaIntraDir( absPartIdx ) ) ? 2 : 1;
2597	UInt dimDeltaDC = 1;
2598
2599	if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx ))
2600	{
2601	if( uiNumSegments == 1 )
2602	{
2603	dimDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0;
2604	}
2605	else
2606	{
2607	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) \|\| pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0;
2608	}
2609	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get( 0, 0, 0 ) );
2610	}
2611
2612	if( dimDeltaDC )
2613	{
2614	for( UInt segment = 0; segment < uiNumSegments; segment++ )
2615	{
2616	Pel deltaDC = 0;
2617
2618	if( pcCU->isIntra( absPartIdx ) )
2619	{
2620	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
2621	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset( segment, absPartIdx ) : pcCU->getDimDeltaDC( getDimType( dir ), segment, absPartIdx );
2622	}
2623	else
2624	{
2625	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2626	}
2627
2628	xCodeDimDeltaDC( deltaDC, uiNumSegments );
2629	}
2630	}
2631	}
2632
2633	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2634	{
2635	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2636	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2637	DTRACE_CU("dc_only_flag", uiSymbol)
2638	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2639	}
2640
2641	#endif
2642
2643	#if NH_3D_DBBP
2644	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2645	{
2646	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2647	AOF( ePartSize == SIZE_2NxN \|\| ePartSize == SIZE_Nx2N );
2648	AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() );
2649	AOF( !pcCU->getSlice()->getIsDepth() );
2650
2651	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2652	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2653	DTRACE_CU("dbbp_flag", uiSymbol)
2654	}
2655	#endif
2656
2657	//! \}

Note: See TracBrowser for help on using the repository browser.

JCT-3V 3D-HEVC

Context navigation

source: 3DVCSoftware/branches/HTM-14.1-update-dev2/source/Lib/TLibEncoder/TEncSbac.cpp @ 1274

Download in other formats: