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TEncSbac.cpp @ 1220

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Last change on this file since 1220 was 1200, checked in by tech, 10 years ago

Update to HM-16.5.
Starting point for further re-activation of 3D-tools.

Includes:

active:

MV-HEVC
3D-HLS (apart from DLT)
VSO

inactive:

remaining 3D-HEVC tools.

Property svn:eol-style set to native

File size: 91.8 KB

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1	/* The copyright in this software is being made available under the BSD
2	* License, included below. This software may be subject to other third party
3	* and contributor rights, including patent rights, and no such rights are
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2015, ITU/ISO/IEC
7	* All rights reserved.
8	*
9	* Redistribution and use in source and binary forms, with or without
10	* modification, are permitted provided that the following conditions are met:
11	*
12	* * Redistributions of source code must retain the above copyright notice,
13	* this list of conditions and the following disclaimer.
14	* * Redistributions in binary form must reproduce the above copyright notice,
15	* this list of conditions and the following disclaimer in the documentation
16	* and/or other materials provided with the distribution.
17	* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18	* be used to endorse or promote products derived from this software without
19	* specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31	* THE POSSIBILITY OF SUCH DAMAGE.
32	*/
33
34	/** \file TEncSbac.cpp
35	\brief SBAC encoder class
36	*/
37
38	#include "TEncTop.h"
39	#include "TEncSbac.h"
40	#include "TLibCommon/TComTU.h"
41
42	#include <map>
43	#include <algorithm>
44
45	#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
46	#include "../TLibCommon/Debug.h"
47	#endif
48
49
50	//! \ingroup TLibEncoder
51	//! \{
52
53	// ====================================================================================================================
54	// Constructor / destructor / create / destroy
55	// ====================================================================================================================
56
57	TEncSbac::TEncSbac()
58	// new structure here
59	: m_pcBitIf ( NULL )
60	, m_pcBinIf ( NULL )
61	, m_numContextModels ( 0 )
62	, m_cCUSplitFlagSCModel ( 1, 1, NUM_SPLIT_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
63	, m_cCUSkipFlagSCModel ( 1, 1, NUM_SKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
64	#if H_3D
65	, m_cCUDISFlagSCModel ( 1, 1, NUM_DIS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
66	, m_cCUDISTypeSCModel ( 1, 1, NUM_DIS_TYPE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
67	#endif
68	, m_cCUMergeFlagExtSCModel ( 1, 1, NUM_MERGE_FLAG_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
69	, m_cCUMergeIdxExtSCModel ( 1, 1, NUM_MERGE_IDX_EXT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
70	#if H_3D_ARP
71	, m_cCUPUARPWSCModel ( 1, 1, NUM_ARPW_CTX , m_contextModels + m_numContextModels, m_numContextModels)
72	#endif
73	#if H_3D_IC
74	, m_cCUICFlagSCModel ( 1, 1, NUM_IC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
75	#endif
76	, m_cCUPartSizeSCModel ( 1, 1, NUM_PART_SIZE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
77	, m_cCUPredModeSCModel ( 1, 1, NUM_PRED_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
78	, m_cCUIntraPredSCModel ( 1, 1, NUM_INTRA_PREDICT_CTX , m_contextModels + m_numContextModels, m_numContextModels)
79	, m_cCUChromaPredSCModel ( 1, 1, NUM_CHROMA_PRED_CTX , m_contextModels + m_numContextModels, m_numContextModels)
80	, m_cCUDeltaQpSCModel ( 1, 1, NUM_DELTA_QP_CTX , m_contextModels + m_numContextModels, m_numContextModels)
81	, m_cCUInterDirSCModel ( 1, 1, NUM_INTER_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
82	, m_cCURefPicSCModel ( 1, 1, NUM_REF_NO_CTX , m_contextModels + m_numContextModels, m_numContextModels)
83	, m_cCUMvdSCModel ( 1, 1, NUM_MV_RES_CTX , m_contextModels + m_numContextModels, m_numContextModels)
84	, m_cCUQtCbfSCModel ( 1, NUM_QT_CBF_CTX_SETS, NUM_QT_CBF_CTX_PER_SET , m_contextModels + m_numContextModels, m_numContextModels)
85	, m_cCUTransSubdivFlagSCModel ( 1, 1, NUM_TRANS_SUBDIV_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
86	, m_cCUQtRootCbfSCModel ( 1, 1, NUM_QT_ROOT_CBF_CTX , m_contextModels + m_numContextModels, m_numContextModels)
87	, m_cCUSigCoeffGroupSCModel ( 1, 2, NUM_SIG_CG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
88	, m_cCUSigSCModel ( 1, 1, NUM_SIG_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
89	, m_cCuCtxLastX ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
90	, m_cCuCtxLastY ( 1, NUM_CTX_LAST_FLAG_SETS, NUM_CTX_LAST_FLAG_XY , m_contextModels + m_numContextModels, m_numContextModels)
91	, m_cCUOneSCModel ( 1, 1, NUM_ONE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
92	, m_cCUAbsSCModel ( 1, 1, NUM_ABS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
93	, m_cMVPIdxSCModel ( 1, 1, NUM_MVP_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
94	, m_cSaoMergeSCModel ( 1, 1, NUM_SAO_MERGE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
95	, m_cSaoTypeIdxSCModel ( 1, 1, NUM_SAO_TYPE_IDX_CTX , m_contextModels + m_numContextModels, m_numContextModels)
96	, m_cTransformSkipSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_TRANSFORMSKIP_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
97	, m_CUTransquantBypassFlagSCModel ( 1, 1, NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
98	, m_explicitRdpcmFlagSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
99	, m_explicitRdpcmDirSCModel ( 1, MAX_NUM_CHANNEL_TYPE, NUM_EXPLICIT_RDPCM_DIR_CTX , m_contextModels + m_numContextModels, m_numContextModels)
100	, m_cCrossComponentPredictionSCModel ( 1, 1, NUM_CROSS_COMPONENT_PREDICTION_CTX , m_contextModels + m_numContextModels, m_numContextModels)
101	, m_ChromaQpAdjFlagSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
102	, m_ChromaQpAdjIdcSCModel ( 1, 1, NUM_CHROMA_QP_ADJ_IDC_CTX , m_contextModels + m_numContextModels, m_numContextModels)
103	#if H_3D_DIM
104	, m_cDepthIntraModeSCModel ( 1, 1, NUM_DEPTH_INTRA_MODE_CTX , m_contextModels + m_numContextModels, m_numContextModels)
105	, m_cDdcFlagSCModel ( 1, 1, NUM_DDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
106	, m_cDdcDataSCModel ( 1, 1, NUM_DDC_DATA_CTX , m_contextModels + m_numContextModels, m_numContextModels)
107	, m_cAngleFlagSCModel ( 1, 1, NUM_ANGLE_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
108	#if H_3D_DIM_SDC
109	, m_cSDCResidualFlagSCModel ( 1, 1, SDC_NUM_RESIDUAL_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
110	, m_cSDCResidualSCModel ( 1, 1, SDC_NUM_RESIDUAL_CTX , m_contextModels + m_numContextModels, m_numContextModels)
111	#endif
112	#endif
113	#if H_3D_DIM_SDC
114	, m_cSDCFlagSCModel ( 1, 1, NUM_SDC_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
115	#endif
116	#if H_3D_DBBP
117	, m_cDBBPFlagSCModel ( 1, 1, DBBP_NUM_FLAG_CTX , m_contextModels + m_numContextModels, m_numContextModels)
118	#endif
119	{
120	assert( m_numContextModels <= MAX_NUM_CTX_MOD );
121	}
122
123	TEncSbac::~TEncSbac()
124	{
125	}
126
127	// ====================================================================================================================
128	// Public member functions
129	// ====================================================================================================================
130
131	Void TEncSbac::resetEntropy (const TComSlice *pSlice)
132	{
133	Int iQp = pSlice->getSliceQp();
134	SliceType eSliceType = pSlice->getSliceType();
135
136	SliceType encCABACTableIdx = pSlice->getEncCABACTableIdx();
137	if (!pSlice->isIntra() && (encCABACTableIdx==B_SLICE \|\| encCABACTableIdx==P_SLICE) && pSlice->getPPS()->getCabacInitPresentFlag())
138	{
139	eSliceType = encCABACTableIdx;
140	}
141
142	m_cCUSplitFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SPLIT_FLAG );
143	m_cCUSkipFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SKIP_FLAG );
144	#if H_3D
145	m_cCUDISFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_FLAG );
146	m_cCUDISTypeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_TYPE );
147	#endif
148	m_cCUMergeFlagExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_FLAG_EXT);
149	m_cCUMergeIdxExtSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MERGE_IDX_EXT);
150	#if H_3D_ARP
151	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
152	#endif
153	#if H_3D_IC
154	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
155	#endif
156	m_cCUPartSizeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PART_SIZE );
157	m_cCUPredModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_PRED_MODE );
158	m_cCUIntraPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTRA_PRED_MODE );
159	m_cCUChromaPredSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_PRED_MODE );
160	m_cCUInterDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_INTER_DIR );
161	m_cCUMvdSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVD );
162	m_cCURefPicSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_REF_PIC );
163	m_cCUDeltaQpSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DQP );
164	m_cCUQtCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_CBF );
165	m_cCUQtRootCbfSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_QT_ROOT_CBF );
166	m_cCUSigCoeffGroupSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_CG_FLAG );
167	m_cCUSigSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SIG_FLAG );
168	m_cCuCtxLastX.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
169	m_cCuCtxLastY.initBuffer ( eSliceType, iQp, (UChar*)INIT_LAST );
170	m_cCUOneSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ONE_FLAG );
171	m_cCUAbsSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ABS_FLAG );
172	m_cMVPIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_MVP_IDX );
173	m_cCUTransSubdivFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
174	m_cSaoMergeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_MERGE_FLAG );
175	m_cSaoTypeIdxSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SAO_TYPE_IDX );
176	m_cTransformSkipSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
177	m_CUTransquantBypassFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
178	m_explicitRdpcmFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG);
179	m_explicitRdpcmDirSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_EXPLICIT_RDPCM_DIR);
180	m_cCrossComponentPredictionSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CROSS_COMPONENT_PREDICTION );
181	m_ChromaQpAdjFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG );
182	m_ChromaQpAdjIdcSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_CHROMA_QP_ADJ_IDC );
183	#if H_3D_DIM
184	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
185	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
186	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
187	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
188	#if H_3D_DIM_SDC
189	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
190	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
191	#endif
192	#endif
193	#if H_3D_DIM_SDC
194	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
195	#endif
196	#if H_3D_DBBP
197	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
198	#endif
199
200	for (UInt statisticIndex = 0; statisticIndex < RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS ; statisticIndex++)
201	{
202	m_golombRiceAdaptationStatistics[statisticIndex] = 0;
203	}
204
205	m_pcBinIf->start();
206
207	return;
208	}
209
210	/** The function does the following:
211	* If current slice type is P/B then it determines the distance of initialisation type 1 and 2 from the current CABAC states and
212	* stores the index of the closest table. This index is used for the next P/B slice when cabac_init_present_flag is true.
213	*/
214	SliceType TEncSbac::determineCabacInitIdx(const TComSlice *pSlice)
215	{
216	Int qp = pSlice->getSliceQp();
217
218	if (!pSlice->isIntra())
219	{
220	SliceType aSliceTypeChoices[] = {B_SLICE, P_SLICE};
221
222	UInt bestCost = MAX_UINT;
223	SliceType bestSliceType = aSliceTypeChoices[0];
224	for (UInt idx=0; idx<2; idx++)
225	{
226	UInt curCost = 0;
227	SliceType curSliceType = aSliceTypeChoices[idx];
228
229	curCost = m_cCUSplitFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SPLIT_FLAG );
230	curCost += m_cCUSkipFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SKIP_FLAG );
231	#if H_3D
232	curCost += m_cCUDISFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DIS_FLAG );
233	curCost += m_cCUDISTypeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DIS_TYPE );
234	#endif
235	curCost += m_cCUMergeFlagExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_FLAG_EXT);
236	curCost += m_cCUMergeIdxExtSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MERGE_IDX_EXT);
237	#if H_3D_ARP
238	curCost += m_cCUPUARPWSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ARPW );
239	#endif
240	#if H_3D_IC
241	curCost += m_cCUICFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_IC_FLAG );
242	#endif
243	#if H_3D_DIM_SDC
244	curCost += m_cSDCFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SDC_FLAG );
245	#endif
246	#if H_3D_DBBP
247	curCost += m_cDBBPFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DBBP_FLAG );
248	#endif
249	curCost += m_cCUPartSizeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PART_SIZE );
250	curCost += m_cCUPredModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_PRED_MODE );
251	curCost += m_cCUIntraPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTRA_PRED_MODE );
252	curCost += m_cCUChromaPredSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_PRED_MODE );
253	curCost += m_cCUInterDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_INTER_DIR );
254	curCost += m_cCUMvdSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVD );
255	curCost += m_cCURefPicSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_REF_PIC );
256	curCost += m_cCUDeltaQpSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DQP );
257	curCost += m_cCUQtCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_CBF );
258	curCost += m_cCUQtRootCbfSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_QT_ROOT_CBF );
259	curCost += m_cCUSigCoeffGroupSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_CG_FLAG );
260	curCost += m_cCUSigSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SIG_FLAG );
261	curCost += m_cCuCtxLastX.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
262	curCost += m_cCuCtxLastY.calcCost ( curSliceType, qp, (UChar*)INIT_LAST );
263	curCost += m_cCUOneSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ONE_FLAG );
264	curCost += m_cCUAbsSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ABS_FLAG );
265	curCost += m_cMVPIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_MVP_IDX );
266	curCost += m_cCUTransSubdivFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANS_SUBDIV_FLAG );
267	curCost += m_cSaoMergeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_MERGE_FLAG );
268	curCost += m_cSaoTypeIdxSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_SAO_TYPE_IDX );
269	curCost += m_cTransformSkipSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_TRANSFORMSKIP_FLAG );
270	curCost += m_CUTransquantBypassFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CU_TRANSQUANT_BYPASS_FLAG );
271	curCost += m_explicitRdpcmFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_FLAG);
272	curCost += m_explicitRdpcmDirSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_EXPLICIT_RDPCM_DIR);
273	curCost += m_cCrossComponentPredictionSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CROSS_COMPONENT_PREDICTION );
274	curCost += m_ChromaQpAdjFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_FLAG );
275	curCost += m_ChromaQpAdjIdcSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_CHROMA_QP_ADJ_IDC );
276	#if H_3D_DIM
277	if( m_pcSlice->getIntraSdcWedgeFlag() \|\| m_pcSlice->getIntraContourFlag() )
278	{
279	curCost += m_cDepthIntraModeSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DEPTH_INTRA_MODE );
280	curCost += m_cDdcFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_FLAG );
281	curCost += m_cDdcDataSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_DDC_DATA );
282	curCost += m_cAngleFlagSCModel.calcCost ( curSliceType, qp, (UChar*)INIT_ANGLE_FLAG );
283	}
284	#endif
285
286	if (curCost < bestCost)
287	{
288	bestSliceType = curSliceType;
289	bestCost = curCost;
290	}
291	}
292	return bestSliceType;
293	}
294	else
295	{
296	return I_SLICE;
297	}
298	}
299
300	#if H_3D
301	m_cCUDISFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_FLAG );
302	m_cCUDISTypeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DIS_TYPE );
303	#endif
304	#if H_3D_ARP
305	m_cCUPUARPWSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ARPW );
306	#endif
307	#if H_3D_IC
308	m_cCUICFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_IC_FLAG );
309	#endif
310	#if H_3D_DIM
311	m_cDepthIntraModeSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DEPTH_INTRA_MODE );
312	m_cDdcFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_FLAG );
313	m_cDdcDataSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DDC_DATA );
314	m_cAngleFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_ANGLE_FLAG );
315	#if H_3D_DIM_SDC
316	m_cSDCResidualFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL_FLAG );
317	m_cSDCResidualSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_RESIDUAL );
318	#endif
319	#endif
320	#if H_3D_DIM_SDC
321	m_cSDCFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_SDC_FLAG );
322	#endif
323	#if H_3D_DBBP
324	m_cDBBPFlagSCModel.initBuffer ( eSliceType, iQp, (UChar*)INIT_DBBP_FLAG );
325	#endif
326
327
328	Void TEncSbac::codeVPS( const TComVPS* /pcVPS/ )
329	{
330	assert (0);
331	return;
332	}
333
334	Void TEncSbac::codeSPS( const TComSPS* /pcSPS/ )
335	{
336	assert (0);
337	return;
338	}
339
340	Void TEncSbac::codePPS( const TComPPS* /pcPPS/ )
341	{
342	assert (0);
343	return;
344	}
345
346	Void TEncSbac::codeSliceHeader( TComSlice* /pcSlice/ )
347	{
348	assert (0);
349	return;
350	}
351
352	Void TEncSbac::codeTilesWPPEntryPoint( TComSlice* /pSlice/ )
353	{
354	assert (0);
355	return;
356	}
357
358	Void TEncSbac::codeTerminatingBit( UInt uilsLast )
359	{
360	m_pcBinIf->encodeBinTrm( uilsLast );
361	}
362
363	Void TEncSbac::codeSliceFinish()
364	{
365	m_pcBinIf->finish();
366	}
367
368	Void TEncSbac::xWriteUnarySymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset )
369	{
370	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[0] );
371
372	if( 0 == uiSymbol)
373	{
374	return;
375	}
376
377	while( uiSymbol-- )
378	{
379	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ iOffset ] );
380	}
381
382	return;
383	}
384
385	Void TEncSbac::xWriteUnaryMaxSymbol( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol )
386	{
387	if (uiMaxSymbol == 0)
388	{
389	return;
390	}
391
392	m_pcBinIf->encodeBin( uiSymbol ? 1 : 0, pcSCModel[ 0 ] );
393
394	if ( uiSymbol == 0 )
395	{
396	return;
397	}
398
399	Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
400
401	while( --uiSymbol )
402	{
403	m_pcBinIf->encodeBin( 1, pcSCModel[ iOffset ] );
404	}
405	if( bCodeLast )
406	{
407	m_pcBinIf->encodeBin( 0, pcSCModel[ iOffset ] );
408	}
409
410	return;
411	}
412
413	Void TEncSbac::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
414	{
415	UInt bins = 0;
416	Int numBins = 0;
417
418	while( uiSymbol >= (UInt)(1<<uiCount) )
419	{
420	bins = 2 * bins + 1;
421	numBins++;
422	uiSymbol -= 1 << uiCount;
423	uiCount ++;
424	}
425	bins = 2 * bins + 0;
426	numBins++;
427
428	bins = (bins << uiCount) \| uiSymbol;
429	numBins += uiCount;
430
431	assert( numBins <= 32 );
432	m_pcBinIf->encodeBinsEP( bins, numBins );
433	}
434
435	#if H_3D
436	Void TEncSbac::codeDIS( TComDataCU* pcCU, UInt uiAbsPartIdx )
437	{
438	UInt uiSymbol = pcCU->getDISFlag(uiAbsPartIdx ) ? 1 : 0;
439	m_pcBinIf->encodeBin( uiSymbol, m_cCUDISFlagSCModel.get( 0, 0, 0 ) );
440	if(uiSymbol)
441	{
442	UInt uiUnaryIdx = (UInt) pcCU->getDISType(uiAbsPartIdx);
443	UInt uiNumCand = 4;
444
445	if ( uiNumCand > 1 )
446	{
447	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
448	{
449	const UInt uiSymbol2 = ui == uiUnaryIdx ? 0 : 1;
450	if ( ui == 0 )
451	{
452	m_pcBinIf->encodeBin( uiSymbol2, m_cCUDISTypeSCModel.get( 0, 0, 0 ) );
453	}
454	else
455	{
456	m_pcBinIf->encodeBinEP( uiSymbol2 );
457	}
458	if( uiSymbol2 == 0 )
459	{
460	break;
461	}
462	}
463	}
464	}
465	}
466	#endif
467
468
469	/** Coding of coeff_abs_level_minus3
470	* \param symbol value of coeff_abs_level_minus3
471	* \param rParam reference to Rice parameter
472	* \param useLimitedPrefixLength
473	* \param maxLog2TrDynamicRange
474	*/
475	Void TEncSbac::xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange )
476	{
477	Int codeNumber = (Int)symbol;
478	UInt length;
479
480	if (codeNumber < (COEF_REMAIN_BIN_REDUCTION << rParam))
481	{
482	length = codeNumber>>rParam;
483	m_pcBinIf->encodeBinsEP( (1<<(length+1))-2 , length+1);
484	m_pcBinIf->encodeBinsEP((codeNumber%(1<<rParam)),rParam);
485	}
486	else if (useLimitedPrefixLength)
487	{
488	const UInt maximumPrefixLength = (32 - (COEF_REMAIN_BIN_REDUCTION + maxLog2TrDynamicRange));
489
490	UInt prefixLength = 0;
491	UInt suffixLength = MAX_UINT;
492	UInt codeValue = (symbol >> rParam) - COEF_REMAIN_BIN_REDUCTION;
493
494	if (codeValue >= ((1 << maximumPrefixLength) - 1))
495	{
496	prefixLength = maximumPrefixLength;
497	suffixLength = maxLog2TrDynamicRange - rParam;
498	}
499	else
500	{
501	while (codeValue > ((2 << prefixLength) - 2))
502	{
503	prefixLength++;
504	}
505
506	suffixLength = prefixLength + 1; //+1 for the separator bit
507	}
508
509	const UInt suffix = codeValue - ((1 << prefixLength) - 1);
510
511	const UInt totalPrefixLength = prefixLength + COEF_REMAIN_BIN_REDUCTION;
512	const UInt prefix = (1 << totalPrefixLength) - 1;
513	const UInt rParamBitMask = (1 << rParam) - 1;
514
515	m_pcBinIf->encodeBinsEP( prefix, totalPrefixLength ); //prefix
516	m_pcBinIf->encodeBinsEP(((suffix << rParam) \| (symbol & rParamBitMask)), (suffixLength + rParam)); //separator, suffix, and rParam bits
517	}
518	else
519	{
520	length = rParam;
521	codeNumber = codeNumber - ( COEF_REMAIN_BIN_REDUCTION << rParam);
522
523	while (codeNumber >= (1<<length))
524	{
525	codeNumber -= (1<<(length++));
526	}
527
528	m_pcBinIf->encodeBinsEP((1<<(COEF_REMAIN_BIN_REDUCTION+length+1-rParam))-2,COEF_REMAIN_BIN_REDUCTION+length+1-rParam);
529	m_pcBinIf->encodeBinsEP(codeNumber,length);
530	}
531	}
532	#if H_3D_DIM
533	Void TEncSbac::xWriteExGolombLevel( UInt uiSymbol, ContextModel& rcSCModel )
534	{
535	if( uiSymbol )
536	{
537	m_pcBinIf->encodeBin( 1, rcSCModel );
538	UInt uiCount = 0;
539	Bool bNoExGo = ( uiSymbol < 3 );
540
541	while( --uiSymbol && ++uiCount < 3 )
542	{
543	m_pcBinIf->encodeBin( 1, rcSCModel );
544	}
545	if( bNoExGo )
546	{
547	m_pcBinIf->encodeBin( 0, rcSCModel );
548	}
549	else
550	{
551	xWriteEpExGolomb( uiSymbol, 0 );
552	}
553	}
554	else
555	{
556	m_pcBinIf->encodeBin( 0, rcSCModel );
557	}
558
559	return;
560	}
561
562	Void TEncSbac::xCodeDimDeltaDC( Pel valDeltaDC, UInt uiNumSeg )
563	{
564	xWriteExGolombLevel( UInt( abs( valDeltaDC ) - ( uiNumSeg > 1 ? 0 : 1 ) ), m_cDdcDataSCModel.get(0, 0, 0) );
565	if( valDeltaDC != 0 )
566	{
567	UInt uiSign = valDeltaDC > 0 ? 0 : 1;
568	m_pcBinIf->encodeBinEP( uiSign );
569	}
570	}
571
572	#if H_3D_DIM_DMM
573	Void TEncSbac::xCodeDmm1WedgeIdx( UInt uiTabIdx, Int iNumBit )
574	{
575	for ( Int i = 0; i < iNumBit; i++ )
576	{
577	m_pcBinIf->encodeBinEP( ( uiTabIdx >> i ) & 1 );
578	}
579	}
580
581	#endif
582	#endif
583
584	// SBAC RD
585	Void TEncSbac::load ( const TEncSbac* pSrc)
586	{
587	this->xCopyFrom(pSrc);
588	}
589
590	Void TEncSbac::loadIntraDirMode( const TEncSbac* pSrc, const ChannelType chType )
591	{
592	m_pcBinIf->copyState( pSrc->m_pcBinIf );
593	if (isLuma(chType))
594	{
595	this->m_cCUIntraPredSCModel .copyFrom( &pSrc->m_cCUIntraPredSCModel );
596	}
597	else
598	{
599	this->m_cCUChromaPredSCModel .copyFrom( &pSrc->m_cCUChromaPredSCModel );
600	}
601	}
602
603	#if H_3D_DIM
604	Void TEncSbac::loadIntraDepthMode( TEncSbac* pSrc)
605	{
606	m_pcBinIf->copyState( pSrc->m_pcBinIf );
607
608	this->m_cDepthIntraModeSCModel .copyFrom( &pSrc->m_cDepthIntraModeSCModel );
609	this->m_cDdcFlagSCModel .copyFrom( &pSrc->m_cDdcFlagSCModel );
610	this->m_cAngleFlagSCModel .copyFrom( &pSrc->m_cAngleFlagSCModel );
611	}
612	#endif
613
614
615	Void TEncSbac::store( TEncSbac* pDest) const
616	{
617	pDest->xCopyFrom( this );
618	}
619
620
621	Void TEncSbac::xCopyFrom( const TEncSbac* pSrc )
622	{
623	m_pcBinIf->copyState( pSrc->m_pcBinIf );
624	xCopyContextsFrom(pSrc);
625	}
626
627	Void TEncSbac::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
628	{
629	Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx);
630	Int iNum = AMVP_MAX_NUM_CANDS;
631
632	xWriteUnaryMaxSymbol(iSymbol, m_cMVPIdxSCModel.get(0), 1, iNum-1);
633	#if H_MV_ENC_DEC_TRAC
634	#if ENC_DEC_TRACE
635	if ( eRefList == REF_PIC_LIST_0 )
636	{
637	DTRACE_PU("mvp_l0_flag", iSymbol)
638	}
639	else
640	{
641	DTRACE_PU("mvp_l1_flag", iSymbol)
642	}
643	#endif
644	#endif
645	}
646
647	Void TEncSbac::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
648	{
649	PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx );
650	#if H_3D_QTLPC
651	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
652	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
653	Bool bDepthMapDetect = (pcTexture != NULL);
654	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
655
656	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);
657
658	Bool depthDependent = false;
659	UInt uiTexturePart = eSize;
660
661	#if H_3D_FCO
662	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark())
663	#else
664	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
665	#endif
666	{
667	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
668	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
669	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
670	if(pcTextureCU->getDepth(uiCUIdx) == uiDepth )
671	{
672	depthDependent = true;
673	uiTexturePart = pcTextureCU->getPartitionSize( uiCUIdx );
674	}
675	if (pcTextureCU->getDepth(uiCUIdx) == uiDepth && pcTextureCU->getPartitionSize( uiCUIdx ) == SIZE_2Nx2N)
676	{
677	assert( eSize == SIZE_2Nx2N );
678	return;
679	}
680	}
681	#endif
682	const UInt log2DiffMaxMinCodingBlockSize = pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize();
683
684	if ( pcCU->isIntra( uiAbsPartIdx ) )
685	{
686	if( uiDepth == log2DiffMaxMinCodingBlockSize )
687	{
688	m_pcBinIf->encodeBin( eSize == SIZE_2Nx2N? 1 : 0, m_cCUPartSizeSCModel.get( 0, 0, 0 ) );
689	#if H_MV_ENC_DEC_TRAC
690	DTRACE_CU("part_mode", eSize == SIZE_2Nx2N? 1 : 0)
691	#endif
692
693	}
694	return;
695	}
696	#if H_MV_ENC_DEC_TRAC
697	DTRACE_CU("part_mode", eSize )
698	#endif
699	#if H_3D_QTLPC
700	if (depthDependent==false \|\| uiTexturePart == SIZE_NxN\|\| uiTexturePart == SIZE_2Nx2N)
701	{
702	#endif
703
704	switch(eSize)
705	{
706	case SIZE_2Nx2N:
707	{
708	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
709	break;
710	}
711	case SIZE_2NxN:
712	case SIZE_2NxnU:
713	case SIZE_2NxnD:
714	{
715	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
716	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
717	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
718	{
719	if (eSize == SIZE_2NxN)
720	{
721	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
722	}
723	else
724	{
725	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
726	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
727	}
728	}
729	break;
730	}
731	case SIZE_Nx2N:
732	case SIZE_nLx2N:
733	case SIZE_nRx2N:
734	{
735	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
736	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
737
738	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
739	{
740	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 2) );
741	}
742
743	if ( pcCU->getSlice()->getSPS()->getUseAMP() && uiDepth < log2DiffMaxMinCodingBlockSize )
744	{
745	if (eSize == SIZE_Nx2N)
746	{
747	m_pcBinIf->encodeBin(1, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
748	}
749	else
750	{
751	m_pcBinIf->encodeBin(0, m_cCUPartSizeSCModel.get( 0, 0, 3 ));
752	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
753	}
754	}
755	break;
756	}
757	case SIZE_NxN:
758	{
759	if( uiDepth == log2DiffMaxMinCodingBlockSize && !( pcCU->getWidth(uiAbsPartIdx) == 8 && pcCU->getHeight(uiAbsPartIdx) == 8 ) )
760	{
761	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
762	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
763	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 2) );
764	}
765	break;
766	}
767	default:
768	{
769	assert(0);
770	break;
771	}
772	}
773	#if H_3D_QTLPC
774	}
775	else if(uiTexturePart == SIZE_2NxN \|\| uiTexturePart == SIZE_2NxnU \|\| uiTexturePart == SIZE_2NxnD)
776	{
777	//assert(eSize!=SIZE_NxN);
778	//assert(eSize!=SIZE_Nx2N);
779	//assert(eSize==SIZE_2Nx2N \|\| eSize==SIZE_2NxN \|\| eSize==SIZE_2NxnU \|\| eSize==SIZE_2NxnD);
780	switch(eSize)
781	{
782	case SIZE_2Nx2N:
783	{
784	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
785	break;
786	}
787	case SIZE_2NxN:
788	{
789	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
790	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
791	{
792	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
793	}
794	break;
795	}
796	case SIZE_2NxnU:
797	case SIZE_2NxnD:
798	{
799	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
800	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
801	m_pcBinIf->encodeBinEP((eSize == SIZE_2NxnU? 0: 1));
802	break;
803	}
804	default:
805	{
806	assert(0);
807	}
808	}
809	}
810	else if(uiTexturePart == SIZE_Nx2N\|\| uiTexturePart==SIZE_nLx2N \|\| uiTexturePart==SIZE_nRx2N)
811	{
812	//assert(eSize!=SIZE_NxN);
813	//assert(eSize!=SIZE_2NxN);
814	//assert(eSize==SIZE_2Nx2N \|\|eSize==SIZE_Nx2N \|\| eSize==SIZE_nLx2N \|\| eSize==SIZE_nRx2N);
815	switch(eSize)
816	{
817	case SIZE_2Nx2N:
818	{
819	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 0) );
820	break;
821	}
822	case SIZE_Nx2N:
823	{
824	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
825	if ( pcCU->getSlice()->getSPS()->getAMPAcc( uiDepth ) )
826	{
827	m_pcBinIf->encodeBin( 1, m_cCUPartSizeSCModel.get( 0, 0, 1) );
828	}
829	break;
830	}
831	case SIZE_nLx2N:
832	case SIZE_nRx2N:
833	{
834	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 0) );
835	m_pcBinIf->encodeBin( 0, m_cCUPartSizeSCModel.get( 0, 0, 1) );
836	m_pcBinIf->encodeBinEP((eSize == SIZE_nLx2N? 0: 1));
837	break;
838	}
839	default:
840	{
841	assert(0);
842	}
843	}
844	}
845	else
846	{
847	printf("uiTexturePart=%d",uiTexturePart);
848	assert(0);
849	}
850	#endif
851
852	}
853
854
855	/** code prediction mode
856	* \param pcCU
857	* \param uiAbsPartIdx
858	* \returns Void
859	*/
860	Void TEncSbac::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
861	{
862	#if H_3D_DIM_SDC
863	if ( pcCU->getSlice()->isIntra() )
864	{
865	assert( pcCU->isIntra(uiAbsPartIdx) );
866	return;
867	}
868	#endif
869
870	// get context function is here
871	m_pcBinIf->encodeBin( pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0, m_cCUPredModeSCModel.get( 0, 0, 0 ) );
872	#if H_MV_ENC_DEC_TRAC
873	DTRACE_CU("pred_mode_flag", pcCU->isIntra( uiAbsPartIdx ) ? 1 : 0);
874	#endif
875
876	}
877
878	Void TEncSbac::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
879	{
880	UInt uiSymbol = pcCU->getCUTransquantBypass(uiAbsPartIdx);
881	m_pcBinIf->encodeBin( uiSymbol, m_CUTransquantBypassFlagSCModel.get( 0, 0, 0 ) );
882	#if H_MV_ENC_DEC_TRAC
883	DTRACE_CU("cu_transquant_bypass_flag", uiSymbol);
884	#endif
885
886	}
887
888	/** code skip flag
889	* \param pcCU
890	* \param uiAbsPartIdx
891	* \returns Void
892	*/
893	Void TEncSbac::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
894	{
895	// get context function is here
896	UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0;
897	UInt uiCtxSkip = pcCU->getCtxSkipFlag( uiAbsPartIdx ) ;
898	m_pcBinIf->encodeBin( uiSymbol, m_cCUSkipFlagSCModel.get( 0, 0, uiCtxSkip ) );
899	#if !H_MV_ENC_DEC_TRAC
900	DTRACE_CABAC_VL( g_nSymbolCounter++ );
901	DTRACE_CABAC_T( "\tSkipFlag" );
902	DTRACE_CABAC_T( "\tuiCtxSkip: ");
903	DTRACE_CABAC_V( uiCtxSkip );
904	DTRACE_CABAC_T( "\tuiSymbol: ");
905	DTRACE_CABAC_V( uiSymbol );
906	DTRACE_CABAC_T( "\n");
907	#else
908	DTRACE_CU("cu_skip_flag", uiSymbol);
909	#endif
910	}
911
912	/** code merge flag
913	* \param pcCU
914	* \param uiAbsPartIdx
915	* \returns Void
916	*/
917	Void TEncSbac::codeMergeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
918	{
919	const UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0;
920	m_pcBinIf->encodeBin( uiSymbol, *m_cCUMergeFlagExtSCModel.get( 0 ) );
921
922	#if H_MV_ENC_DEC_TRAC
923	DTRACE_PU("merge_flag", uiSymbol);
924	#else
925	DTRACE_CABAC_VL( g_nSymbolCounter++ );
926	DTRACE_CABAC_T( "\tMergeFlag: " );
927	DTRACE_CABAC_V( uiSymbol );
928	DTRACE_CABAC_T( "\tAddress: " );
929	DTRACE_CABAC_V( pcCU->getCtuRsAddr() );
930	DTRACE_CABAC_T( "\tuiAbsPartIdx: " );
931	DTRACE_CABAC_V( uiAbsPartIdx );
932	DTRACE_CABAC_T( "\n" );
933	#endif
934	}
935
936	/** code merge index
937	* \param pcCU
938	* \param uiAbsPartIdx
939	* \returns Void
940	*/
941	Void TEncSbac::codeMergeIndex( TComDataCU* pcCU, UInt uiAbsPartIdx )
942	{
943	UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx );
944	UInt uiNumCand = pcCU->getSlice()->getMaxNumMergeCand();
945	if ( uiNumCand > 1 )
946	{
947	for( UInt ui = 0; ui < uiNumCand - 1; ++ui )
948	{
949	const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1;
950	if ( ui==0 )
951	{
952	m_pcBinIf->encodeBin( uiSymbol, m_cCUMergeIdxExtSCModel.get( 0, 0, 0 ) );
953	}
954	else
955	{
956	m_pcBinIf->encodeBinEP( uiSymbol );
957	}
958	if( uiSymbol == 0 )
959	{
960	break;
961	}
962	}
963	#if H_MV_ENC_DEC_TRAC
964	DTRACE_PU("merge_idx", uiUnaryIdx);
965	#endif
966	}
967	#if !H_MV_ENC_DEC_TRAC
968	DTRACE_CABAC_VL( g_nSymbolCounter++ );
969	DTRACE_CABAC_T( "\tparseMergeIndex()" );
970	DTRACE_CABAC_T( "\tuiMRGIdx= " );
971	DTRACE_CABAC_V( pcCU->getMergeIndex( uiAbsPartIdx ) );
972	DTRACE_CABAC_T( "\n" );
973	#endif
974	}
975
976	#if H_3D_ARP
977	Void TEncSbac::codeARPW( TComDataCU* pcCU, UInt uiAbsPartIdx )
978	{
979	Int iW = (Int)pcCU->getARPW( uiAbsPartIdx );
980	Int iMaxW = pcCU->getSlice()->getARPStepNum() - 1;
981	assert( iMaxW > 0);
982
983	Int nOffset = pcCU->getCTXARPWFlag(uiAbsPartIdx);
984	Int nBinNum = iW + ( iW != iMaxW );
985	m_pcBinIf->encodeBin( iW ? 1 : 0 , m_cCUPUARPWSCModel.get( 0, 0, 0 + nOffset ) );
986	if( nBinNum > 1 )
987	{
988	m_pcBinIf->encodeBin( ( iW == iMaxW ) ? 1 : 0, m_cCUPUARPWSCModel.get( 0, 0, 2 ) );
989	}
990	#if H_MV_ENC_DEC_TRAC
991	DTRACE_CU("iv_res_pred_weight_idx", iW);
992	#endif
993	}
994	#endif
995
996	#if H_3D_IC
997	/** code Illumination Compensation flag
998	* \param pcCU
999	* \param uiAbsPartIdx
1000	* \returns Void
1001	*/
1002	Void TEncSbac::codeICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1003	{
1004	// get context function is here
1005	UInt uiSymbol = pcCU->getICFlag( uiAbsPartIdx ) ? 1 : 0;
1006	m_pcBinIf->encodeBin( uiSymbol, m_cCUICFlagSCModel.get( 0, 0, 0 ) );
1007	#if !H_MV_ENC_DEC_TRAC
1008	DTRACE_CABAC_VL( g_nSymbolCounter++ );
1009	DTRACE_CABAC_T( "\tICFlag" );
1010	DTRACE_CABAC_T( "\tuiSymbol: ");
1011	DTRACE_CABAC_V( uiSymbol );
1012	DTRACE_CABAC_T( "\n");
1013	#else
1014	DTRACE_CU("ic_flag", uiSymbol );
1015	#endif
1016	}
1017	#endif
1018
1019
1020	Void TEncSbac::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1021	{
1022	if( uiDepth == pcCU->getSlice()->getSPS()->getLog2DiffMaxMinCodingBlockSize() )
1023	{
1024	return;
1025	}
1026
1027	UInt uiCtx = pcCU->getCtxSplitFlag( uiAbsPartIdx, uiDepth );
1028	UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0;
1029
1030	assert( uiCtx < 3 );
1031	#if H_3D_QTLPC
1032	Bool bCodeSplitFlag = true;
1033
1034
1035	Bool bLimQtPredFlag = pcCU->getPic()->getSlice(0)->getQtPredFlag();
1036	TComPic *pcTexture = pcCU->getSlice()->getTexturePic();
1037	Bool bDepthMapDetect = (pcTexture != NULL);
1038	Bool bIntraSliceDetect = (pcCU->getSlice()->getSliceType() == I_SLICE);
1039
1040	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);
1041
1042	#if H_3D_FCO
1043	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag && pcTexture->getReconMark() )
1044	#else
1045	if(bDepthMapDetect && !bIntraSliceDetect && !rapPic && pcCU->getPic()->getReduceBitsFlag() && bLimQtPredFlag )
1046	#endif
1047	{
1048	TComDataCU *pcTextureCU = pcTexture->getCU(pcCU->getAddr());
1049	UInt uiCUIdx = (pcCU->getZorderIdxInCU() == 0) ? uiAbsPartIdx : pcCU->getZorderIdxInCU();
1050	assert(pcTextureCU->getDepth(uiCUIdx) >= uiDepth);
1051	bCodeSplitFlag = (pcTextureCU->getDepth(uiCUIdx) > uiDepth);
1052	}
1053
1054	if(!bCodeSplitFlag)
1055	{
1056	assert(uiCurrSplitFlag == 0);
1057	return;
1058	}
1059	#endif
1060
1061	m_pcBinIf->encodeBin( uiCurrSplitFlag, m_cCUSplitFlagSCModel.get( 0, 0, uiCtx ) );
1062	#if !H_MV_ENC_DEC_TRAC
1063	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1064	DTRACE_CABAC_T( "\tSplitFlag\n" )
1065	#else
1066	DTRACE_CU("split_cu_flag", uiCurrSplitFlag );
1067	#endif
1068	return;
1069	}
1070
1071	Void TEncSbac::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1072	{
1073	m_pcBinIf->encodeBin( uiSymbol, m_cCUTransSubdivFlagSCModel.get( 0, 0, uiCtx ) );
1074	#if !H_MV_ENC_DEC_TRAC
1075	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1076	DTRACE_CABAC_T( "\tparseTransformSubdivFlag()" )
1077	DTRACE_CABAC_T( "\tsymbol=" )
1078	DTRACE_CABAC_V( uiSymbol )
1079	DTRACE_CABAC_T( "\tctx=" )
1080	DTRACE_CABAC_V( uiCtx )
1081	DTRACE_CABAC_T( "\n" )
1082	#else
1083	DTRACE_TU("split_transform_flag", uiSymbol )
1084	#endif
1085
1086	}
1087
1088
1089	Void TEncSbac::codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple)
1090	{
1091	UInt dir[4],j;
1092	Int preds[4][NUM_MOST_PROBABLE_MODES] = {{-1, -1, -1},{-1, -1, -1},{-1, -1, -1},{-1, -1, -1}};
1093	Int predIdx[4] ={ -1,-1,-1,-1};
1094	PartSize mode = pcCU->getPartitionSize( absPartIdx );
1095	UInt partNum = isMultiple?(mode==SIZE_NxN?4:1):1;
1096	UInt partOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(absPartIdx) << 1 ) ) >> 2;
1097	for (j=0;j<partNum;j++)
1098	{
1099	dir[j] = pcCU->getIntraDir( CHANNEL_TYPE_LUMA, absPartIdx+partOffset*j );
1100	#if H_3D_DIM
1101	if( pcCU->getSlice()->getIntraSdcWedgeFlag() \|\| pcCU->getSlice()->getIntraContourFlag() )
1102	{
1103	codeIntraDepth( pcCU, absPartIdx+partOffset*j );
1104	}
1105	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1106	{
1107	#endif
1108	pcCU->getIntraDirPredictor(absPartIdx+partOffset*j, preds[j], COMPONENT_Y);
1109	for(UInt i = 0; i < NUM_MOST_PROBABLE_MODES; i++)
1110	{
1111	if(dir[j] == preds[j][i])
1112	{
1113	predIdx[j] = i;
1114	}
1115	}
1116	m_pcBinIf->encodeBin((predIdx[j] != -1)? 1 : 0, m_cCUIntraPredSCModel.get( 0, 0, 0 ) );
1117	#if H_MV_ENC_DEC_TRAC
1118	DTRACE_CU("prev_intra_luma_pred_flag", (predIdx[j] != -1)? 1 : 0);
1119	#endif
1120	#if H_3D_DIM
1121	}
1122	#endif
1123
1124	}
1125	for (j=0;j<partNum;j++)
1126	{
1127	#if H_3D_DIM
1128	if( pcCU->getLumaIntraDir( absPartIdx+partOffset*j ) < NUM_INTRA_MODE )
1129	{
1130	#endif
1131	if(predIdx[j] != -1)
1132	{
1133	m_pcBinIf->encodeBinEP( predIdx[j] ? 1 : 0 );
1134	if (predIdx[j])
1135	{
1136	m_pcBinIf->encodeBinEP( predIdx[j]-1 );
1137	}
1138	#if H_MV_ENC_DEC_TRAC
1139	DTRACE_CU("mpm_idx", predIdx[j] );
1140	#endif
1141	}
1142	else
1143	{
1144	if (preds[j][0] > preds[j][1])
1145	{
1146	std::swap(preds[j][0], preds[j][1]);
1147	}
1148	if (preds[j][0] > preds[j][2])
1149	{
1150	std::swap(preds[j][0], preds[j][2]);
1151	}
1152	if (preds[j][1] > preds[j][2])
1153	{
1154	std::swap(preds[j][1], preds[j][2]);
1155	}
1156	for(Int i = (Int(NUM_MOST_PROBABLE_MODES) - 1); i >= 0; i--)
1157	{
1158	dir[j] = dir[j] > preds[j][i] ? dir[j] - 1 : dir[j];
1159	}
1160	m_pcBinIf->encodeBinsEP( dir[j], 5 );
1161	#if H_MV_ENC_DEC_TRAC
1162	DTRACE_CU("rem_intra_luma_pred_mode", dir[j] );
1163	#endif
1164	}
1165	#if H_3D_DIM
1166	}
1167	#endif
1168	}
1169	return;
1170	}
1171
1172	Void TEncSbac::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1173	{
1174	UInt uiIntraDirChroma = pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx );
1175
1176	if( uiIntraDirChroma == DM_CHROMA_IDX )
1177	{
1178	m_pcBinIf->encodeBin( 0, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1179	#if H_MV_ENC_DEC_TRAC
1180	DTRACE_CU("intra_chroma_pred_mode", 0 );
1181	#endif
1182	}
1183	else
1184	{
1185	m_pcBinIf->encodeBin( 1, m_cCUChromaPredSCModel.get( 0, 0, 0 ) );
1186
1187	UInt uiAllowedChromaDir[ NUM_CHROMA_MODE ];
1188	pcCU->getAllowedChromaDir( uiAbsPartIdx, uiAllowedChromaDir );
1189
1190	for( Int i = 0; i < NUM_CHROMA_MODE - 1; i++ )
1191	{
1192	if( uiIntraDirChroma == uiAllowedChromaDir[i] )
1193	{
1194	uiIntraDirChroma = i;
1195	break;
1196	}
1197	}
1198
1199	m_pcBinIf->encodeBinsEP( uiIntraDirChroma, 2 );
1200	#if H_MV_ENC_DEC_TRAC
1201	DTRACE_CU("intra_chroma_pred_mode", uiIntraDirChroma );
1202	#endif
1203
1204	}
1205
1206	return;
1207	}
1208
1209	#if H_3D_DIM
1210	Void TEncSbac::codeIntraDepth( TComDataCU* pcCU, UInt absPartIdx )
1211	{
1212	codeIntraDepthMode( pcCU, absPartIdx );
1213
1214	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1215	UInt dimType = getDimType( dir );
1216
1217	switch( dimType )
1218	{
1219	#if H_3D_DIM_DMM
1220	case( DMM1_IDX ):
1221	{
1222	xCodeDmm1WedgeIdx( pcCU->getDmmWedgeTabIdx( dimType, absPartIdx ), g_dmm1TabIdxBits[pcCU->getIntraSizeIdx(absPartIdx)] );
1223	} break;
1224	case( DMM4_IDX ): break;
1225	#endif
1226	default: break;
1227	}
1228	}
1229
1230	Void TEncSbac::codeIntraDepthMode( TComDataCU* pcCU, UInt absPartIdx )
1231	{
1232	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
1233
1234	if( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() >> pcCU->getDepth( absPartIdx ) ) < 64 ) //DMM and HEVC intra modes are both allowed
1235	{
1236	m_pcBinIf->encodeBin( isDimMode( dir ) ? 0 : 1, m_cAngleFlagSCModel.get( 0, 0, 0 ) );
1237	}
1238	if( isDimMode( dir ) )
1239	{
1240	UInt uiCodeIdx = 0;
1241
1242	switch( getDimType( dir ) )
1243	{
1244	case DMM1_IDX: uiCodeIdx = 0; break;
1245	case DMM4_IDX: uiCodeIdx = 1; break;
1246	default: break;
1247	}
1248	//mode coding
1249	if( pcCU->getSlice()->getIntraSdcWedgeFlag() && pcCU->getSlice()->getIntraContourFlag())
1250	{
1251	m_pcBinIf->encodeBin( uiCodeIdx == 0 ? 0 : 1, m_cDepthIntraModeSCModel.get( 0, 0, 0 ) );
1252	}
1253	}
1254	}
1255	#endif
1256
1257	Void TEncSbac::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1258	{
1259	const UInt uiInterDir = pcCU->getInterDir( uiAbsPartIdx ) - 1;
1260	const UInt uiCtx = pcCU->getCtxInterDir( uiAbsPartIdx );
1261	ContextModel *pCtx = m_cCUInterDirSCModel.get( 0 );
1262
1263	if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N \|\| pcCU->getHeight(uiAbsPartIdx) != 8 )
1264	{
1265	m_pcBinIf->encodeBin( uiInterDir == 2 ? 1 : 0, *( pCtx + uiCtx ) );
1266	}
1267
1268	if (uiInterDir < 2)
1269	{
1270	m_pcBinIf->encodeBin( uiInterDir, *( pCtx + 4 ) );
1271	}
1272	#if H_MV_ENC_DEC_TRAC
1273	DTRACE_PU("inter_pred_idc", uiInterDir );
1274	#endif
1275
1276	return;
1277	}
1278
1279	Void TEncSbac::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1280	{
1281	Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1282	ContextModel *pCtx = m_cCURefPicSCModel.get( 0 );
1283	m_pcBinIf->encodeBin( ( iRefFrame == 0 ? 0 : 1 ), *pCtx );
1284
1285	if( iRefFrame > 0 )
1286	{
1287	UInt uiRefNum = pcCU->getSlice()->getNumRefIdx( eRefList ) - 2;
1288	pCtx++;
1289	iRefFrame--;
1290	for( UInt ui = 0; ui < uiRefNum; ++ui )
1291	{
1292	const UInt uiSymbol = ui == iRefFrame ? 0 : 1;
1293	if( ui == 0 )
1294	{
1295	m_pcBinIf->encodeBin( uiSymbol, *pCtx );
1296	}
1297	else
1298	{
1299	m_pcBinIf->encodeBinEP( uiSymbol );
1300	}
1301	if( uiSymbol == 0 )
1302	{
1303	break;
1304	}
1305	}
1306	}
1307	#if H_MV_ENC_DEC_TRAC
1308	#if ENC_DEC_TRACE
1309	iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx );
1310	if ( eRefList == REF_PIC_LIST_0 )
1311	{
1312	DTRACE_PU("ref_idx_l0", iRefFrame)
1313	}
1314	else
1315	{
1316	DTRACE_PU("ref_idx_l1", iRefFrame)
1317	}
1318	#endif
1319	#endif
1320	return;
1321	}
1322
1323	Void TEncSbac::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1324	{
1325	if(pcCU->getSlice()->getMvdL1ZeroFlag() && eRefList == REF_PIC_LIST_1 && pcCU->getInterDir(uiAbsPartIdx)==3)
1326	{
1327	return;
1328	}
1329
1330	const TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList );
1331	const Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor();
1332	const Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer();
1333	ContextModel* pCtx = m_cCUMvdSCModel.get( 0 );
1334
1335	m_pcBinIf->encodeBin( iHor != 0 ? 1 : 0, *pCtx );
1336	m_pcBinIf->encodeBin( iVer != 0 ? 1 : 0, *pCtx );
1337
1338	const Bool bHorAbsGr0 = iHor != 0;
1339	const Bool bVerAbsGr0 = iVer != 0;
1340	const UInt uiHorAbs = 0 > iHor ? -iHor : iHor;
1341	const UInt uiVerAbs = 0 > iVer ? -iVer : iVer;
1342	pCtx++;
1343
1344	if( bHorAbsGr0 )
1345	{
1346	m_pcBinIf->encodeBin( uiHorAbs > 1 ? 1 : 0, *pCtx );
1347	}
1348
1349	if( bVerAbsGr0 )
1350	{
1351	m_pcBinIf->encodeBin( uiVerAbs > 1 ? 1 : 0, *pCtx );
1352	}
1353
1354	if( bHorAbsGr0 )
1355	{
1356	if( uiHorAbs > 1 )
1357	{
1358	xWriteEpExGolomb( uiHorAbs-2, 1 );
1359	}
1360
1361	m_pcBinIf->encodeBinEP( 0 > iHor ? 1 : 0 );
1362	}
1363
1364	if( bVerAbsGr0 )
1365	{
1366	if( uiVerAbs > 1 )
1367	{
1368	xWriteEpExGolomb( uiVerAbs-2, 1 );
1369	}
1370
1371	m_pcBinIf->encodeBinEP( 0 > iVer ? 1 : 0 );
1372	}
1373
1374	return;
1375	}
1376
1377	Void TEncSbac::codeCrossComponentPrediction( TComTU &rTu, ComponentID compID )
1378	{
1379	TComDataCU *pcCU = rTu.getCU();
1380
1381	if( isLuma(compID) \|\| !pcCU->getSlice()->getPPS()->getPpsRangeExtension().getCrossComponentPredictionEnabledFlag() )
1382	{
1383	return;
1384	}
1385
1386	const UInt uiAbsPartIdx = rTu.GetAbsPartIdxTU();
1387
1388	if (!pcCU->isIntra(uiAbsPartIdx) \|\| (pcCU->getIntraDir( CHANNEL_TYPE_CHROMA, uiAbsPartIdx ) == DM_CHROMA_IDX))
1389	{
1390	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1391	DTRACE_CABAC_T("\tparseCrossComponentPrediction()")
1392	DTRACE_CABAC_T( "\tAddr=" )
1393	DTRACE_CABAC_V( compID )
1394	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1395	DTRACE_CABAC_V( uiAbsPartIdx )
1396
1397	Int alpha = pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID );
1398	ContextModel *pCtx = m_cCrossComponentPredictionSCModel.get(0, 0) + ((compID == COMPONENT_Cr) ? (NUM_CROSS_COMPONENT_PREDICTION_CTX >> 1) : 0);
1399	m_pcBinIf->encodeBin(((alpha != 0) ? 1 : 0), pCtx[0]);
1400
1401	if (alpha != 0)
1402	{
1403	static const Int log2AbsAlphaMinus1Table[8] = { 0, 1, 1, 2, 2, 2, 3, 3 };
1404	assert(abs(alpha) <= 8);
1405
1406	if (abs(alpha)>1)
1407	{
1408	m_pcBinIf->encodeBin(1, pCtx[1]);
1409	xWriteUnaryMaxSymbol( log2AbsAlphaMinus1Table[abs(alpha) - 1] - 1, (pCtx + 2), 1, 2 );
1410	}
1411	else
1412	{
1413	m_pcBinIf->encodeBin(0, pCtx[1]);
1414	}
1415	m_pcBinIf->encodeBin( ((alpha < 0) ? 1 : 0), pCtx[4] );
1416	}
1417	DTRACE_CABAC_T( "\tAlpha=" )
1418	DTRACE_CABAC_V( pcCU->getCrossComponentPredictionAlpha( uiAbsPartIdx, compID ) )
1419	DTRACE_CABAC_T( "\n" )
1420	}
1421	}
1422
1423	Void TEncSbac::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1424	{
1425	Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1426
1427	Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
1428	iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1429
1430	UInt uiAbsDQp = (UInt)((iDQp > 0)? iDQp : (-iDQp));
1431	UInt TUValue = min((Int)uiAbsDQp, CU_DQP_TU_CMAX);
1432	xWriteUnaryMaxSymbol( TUValue, &m_cCUDeltaQpSCModel.get( 0, 0, 0 ), 1, CU_DQP_TU_CMAX);
1433	if( uiAbsDQp >= CU_DQP_TU_CMAX )
1434	{
1435	xWriteEpExGolomb( uiAbsDQp - CU_DQP_TU_CMAX, CU_DQP_EG_k );
1436	}
1437
1438	if ( uiAbsDQp > 0)
1439	{
1440	UInt uiSign = (iDQp > 0 ? 0 : 1);
1441	m_pcBinIf->encodeBinEP(uiSign);
1442	}
1443
1444	return;
1445	}
1446
1447	/** code chroma qp adjustment, converting from the internal table representation
1448	* \returns Void
1449	*/
1450	Void TEncSbac::codeChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx )
1451	{
1452	Int internalIdc = cu->getChromaQpAdj( absPartIdx );
1453	Int chromaQpOffsetListLen = cu->getSlice()->getPPS()->getPpsRangeExtension().getChromaQpOffsetListLen();
1454	/* internal_idc == 0 => flag = 0
1455	* internal_idc > 1 => code idc value (if table size warrents) */
1456	m_pcBinIf->encodeBin( internalIdc > 0, m_ChromaQpAdjFlagSCModel.get( 0, 0, 0 ) );
1457
1458	if (internalIdc > 0 && chromaQpOffsetListLen > 1)
1459	{
1460	xWriteUnaryMaxSymbol( internalIdc - 1, &m_ChromaQpAdjIdcSCModel.get( 0, 0, 0 ), 0, chromaQpOffsetListLen - 1 );
1461	}
1462	}
1463
1464	Void TEncSbac::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel )
1465	{
1466	TComDataCU* pcCU = rTu.getCU();
1467
1468	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
1469	const UInt TUDepth = rTu.GetTransformDepthRel();
1470	UInt uiCtx = pcCU->getCtxQtCbf( rTu, toChannelType(compID) );
1471	const UInt contextSet = toChannelType(compID);
1472
1473	const UInt width = rTu.getRect(compID).width;
1474	const UInt height = rTu.getRect(compID).height;
1475	const Bool canQuadSplit = (width >= (MIN_TU_SIZE * 2)) && (height >= (MIN_TU_SIZE * 2));
1476
1477	// Since the CBF for chroma is coded at the highest level possible, if sub-TUs are
1478	// to be coded for a 4x8 chroma TU, their CBFs must be coded at the highest 4x8 level
1479	// (i.e. where luma TUs are 8x8 rather than 4x4)
1480	// ___ ___
1481	// \| \| \| <- 4 x (8x8 luma + 4x8 4:2:2 chroma)
1482	// \|___\|___\| each quadrant has its own chroma CBF
1483	// \| \| \| _ _ _ _
1484	// \|___\|___\| \|
1485	// <--16---> V
1486	// _ _
1487	// \|_\|_\| <- 4 x 4x4 luma + 1 x 4x8 4:2:2 chroma
1488	// \|_\|_\| no chroma CBF is coded - instead the parent CBF is inherited
1489	// <-8-> if sub-TUs are present, their CBFs had to be coded at the parent level
1490
1491	const UInt lowestTUDepth = TUDepth + ((!lowestLevel && !canQuadSplit) ? 1 : 0); //unsplittable TUs inherit their parent's CBF
1492
1493	if ((width != height) && (lowestLevel \|\| !canQuadSplit)) //if sub-TUs are present
1494	{
1495	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)
1496	const UInt partIdxesPerSubTU = rTu.GetAbsPartIdxNumParts(compID) >> 1;
1497
1498	for (UInt subTU = 0; subTU < 2; subTU++)
1499	{
1500	const UInt subTUAbsPartIdx = absPartIdx + (subTU * partIdxesPerSubTU);
1501	const UInt uiCbf = pcCU->getCbf(subTUAbsPartIdx, compID, subTUDepth);
1502
1503	m_pcBinIf->encodeBin(uiCbf, m_cCUQtCbfSCModel.get(0, contextSet, uiCtx));
1504	#if !H_MV_ENC_DEC_TRAC
1505	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1506	DTRACE_CABAC_T( "\tparseQtCbf()" )
1507	DTRACE_CABAC_T( "\tsub-TU=" )
1508	DTRACE_CABAC_V( subTU )
1509	DTRACE_CABAC_T( "\tsymbol=" )
1510	DTRACE_CABAC_V( uiCbf )
1511	DTRACE_CABAC_T( "\tctx=" )
1512	DTRACE_CABAC_V( uiCtx )
1513	DTRACE_CABAC_T( "\tetype=" )
1514	DTRACE_CABAC_V( compID )
1515	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1516	DTRACE_CABAC_V( subTUAbsPartIdx )
1517	DTRACE_CABAC_T( "\n" )
1518	#else
1519	if ( compID == COMPONENT_Cb )
1520	{
1521	DTRACE_TU("cbf_cb", uiCbf )
1522	}
1523	else if ( compID == COMPONENT_Cr )
1524	{
1525	DTRACE_TU("cbf_cr", uiCbf )
1526	}
1527	else
1528	{
1529	DTRACE_TU("cbf_luma", uiCbf )
1530	}
1531	#endif
1532	}
1533	}
1534	else
1535	{
1536	const UInt uiCbf = pcCU->getCbf( absPartIdx, compID, lowestTUDepth );
1537	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, contextSet, uiCtx ) );
1538	#if !H_MV_ENC_DEC_TRAC
1539	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1540	DTRACE_CABAC_T( "\tparseQtCbf()" )
1541	DTRACE_CABAC_T( "\tsymbol=" )
1542	DTRACE_CABAC_V( uiCbf )
1543	DTRACE_CABAC_T( "\tctx=" )
1544	DTRACE_CABAC_V( uiCtx )
1545	DTRACE_CABAC_T( "\tetype=" )
1546	DTRACE_CABAC_V( compID )
1547	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1548	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU(compID) )
1549	DTRACE_CABAC_T( "\n" )
1550	#else
1551	if ( compID == COMPONENT_Cb )
1552	{
1553	DTRACE_TU("cbf_cb", uiCbf )
1554	}
1555	else if ( compID == COMPONENT_Cr )
1556	{
1557	DTRACE_TU("cbf_cr", uiCbf )
1558	}
1559	else
1560	{
1561	DTRACE_TU("cbf_luma", uiCbf )
1562	}
1563	#endif
1564
1565	}
1566	}
1567
1568
1569	Void TEncSbac::codeTransformSkipFlags (TComTU &rTu, ComponentID component )
1570	{
1571	TComDataCU* pcCU=rTu.getCU();
1572	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU();
1573
1574	if (pcCU->getCUTransquantBypass(uiAbsPartIdx))
1575	{
1576	return;
1577	}
1578
1579	if (!TUCompRectHasAssociatedTransformSkipFlag(rTu.getRect(component), pcCU->getSlice()->getPPS()->getPpsRangeExtension().getLog2MaxTransformSkipBlockSize()))
1580	{
1581	return;
1582	}
1583
1584	UInt useTransformSkip = pcCU->getTransformSkip( uiAbsPartIdx,component);
1585	m_pcBinIf->encodeBin( useTransformSkip, m_cTransformSkipSCModel.get( 0, toChannelType(component), 0 ) );
1586	#if !H_MV_ENC_DEC_TRAC
1587	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1588	DTRACE_CABAC_T("\tparseTransformSkip()");
1589	DTRACE_CABAC_T( "\tsymbol=" )
1590	DTRACE_CABAC_V( useTransformSkip )
1591	DTRACE_CABAC_T( "\tAddr=" )
1592	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1593	DTRACE_CABAC_T( "\tetype=" )
1594	DTRACE_CABAC_V( component )
1595	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1596	DTRACE_CABAC_V( rTu.GetAbsPartIdxTU() )
1597	DTRACE_CABAC_T( "\n" )
1598	#endif
1599	}
1600
1601
1602	/** Code I_PCM information.
1603	* \param pcCU pointer to CU
1604	* \param uiAbsPartIdx CU index
1605	* \returns Void
1606	*/
1607	Void TEncSbac::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1608	{
1609	UInt uiIPCM = (pcCU->getIPCMFlag(uiAbsPartIdx) == true)? 1 : 0;
1610
1611	Bool writePCMSampleFlag = pcCU->getIPCMFlag(uiAbsPartIdx);
1612
1613	m_pcBinIf->encodeBinTrm (uiIPCM);
1614	#if H_MV_ENC_DEC_TRAC
1615	DTRACE_CU("pcm_flag", uiIPCM)
1616	#endif
1617	if (writePCMSampleFlag)
1618	{
1619	m_pcBinIf->encodePCMAlignBits();
1620
1621	const UInt minCoeffSizeY = pcCU->getPic()->getMinCUWidth() * pcCU->getPic()->getMinCUHeight();
1622	const UInt offsetY = minCoeffSizeY * uiAbsPartIdx;
1623	for (UInt ch=0; ch < pcCU->getPic()->getNumberValidComponents(); ch++)
1624	{
1625	const ComponentID compID = ComponentID(ch);
1626	const UInt offset = offsetY >> (pcCU->getPic()->getComponentScaleX(compID) + pcCU->getPic()->getComponentScaleY(compID));
1627	Pel * pPCMSample = pcCU->getPCMSample(compID) + offset;
1628	const UInt width = pcCU->getWidth (uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleX(compID);
1629	const UInt height = pcCU->getHeight(uiAbsPartIdx) >> pcCU->getPic()->getComponentScaleY(compID);
1630	const UInt sampleBits = pcCU->getSlice()->getSPS()->getPCMBitDepth(toChannelType(compID));
1631	for (UInt y=0; y<height; y++)
1632	{
1633	for (UInt x=0; x<width; x++)
1634	{
1635	UInt sample = pPCMSample[x];
1636	m_pcBinIf->xWritePCMCode(sample, sampleBits);
1637	}
1638	pPCMSample += width;
1639	}
1640	}
1641	m_pcBinIf->resetBac();
1642	}
1643	}
1644
1645	Void TEncSbac::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1646	{
1647	UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx );
1648	UInt uiCtx = 0;
1649	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1650	#if !H_MV_ENC_DEC_TRAC
1651	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1652	DTRACE_CABAC_T( "\tparseQtRootCbf()" )
1653	DTRACE_CABAC_T( "\tsymbol=" )
1654	DTRACE_CABAC_V( uiCbf )
1655	DTRACE_CABAC_T( "\tctx=" )
1656	DTRACE_CABAC_V( uiCtx )
1657	DTRACE_CABAC_T( "\tuiAbsPartIdx=" )
1658	DTRACE_CABAC_V( uiAbsPartIdx )
1659	DTRACE_CABAC_T( "\n" )
1660	#else
1661	DTRACE_CU( "rqt_root_cbf", uiCbf )
1662	#endif
1663	}
1664
1665	Void TEncSbac::codeQtCbfZero( TComTU & rTu, const ChannelType chType )
1666	{
1667	// this function is only used to estimate the bits when cbf is 0
1668	// and will never be called when writing the bistream. do not need to write log
1669	UInt uiCbf = 0;
1670	UInt uiCtx = rTu.getCU()->getCtxQtCbf( rTu, chType );
1671
1672	m_pcBinIf->encodeBin( uiCbf , m_cCUQtCbfSCModel.get( 0, chType, uiCtx ) );
1673	}
1674
1675	Void TEncSbac::codeQtRootCbfZero( )
1676	{
1677	// this function is only used to estimate the bits when cbf is 0
1678	// and will never be called when writing the bistream. do not need to write log
1679	UInt uiCbf = 0;
1680	UInt uiCtx = 0;
1681	m_pcBinIf->encodeBin( uiCbf , m_cCUQtRootCbfSCModel.get( 0, 0, uiCtx ) );
1682	}
1683
1684	/** Encode (X,Y) position of the last significant coefficient
1685	* \param uiPosX X component of last coefficient
1686	* \param uiPosY Y component of last coefficient
1687	* \param width Block width
1688	* \param height Block height
1689	* \param component chroma component ID
1690	* \param uiScanIdx scan type (zig-zag, hor, ver)
1691	* This method encodes the X and Y component within a block of the last significant coefficient.
1692	*/
1693	Void TEncSbac::codeLastSignificantXY( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx )
1694	{
1695	// swap
1696	if( uiScanIdx == SCAN_VER )
1697	{
1698	swap( uiPosX, uiPosY );
1699	swap( width, height );
1700	}
1701
1702	UInt uiCtxLast;
1703	UInt uiGroupIdxX = g_uiGroupIdx[ uiPosX ];
1704	UInt uiGroupIdxY = g_uiGroupIdx[ uiPosY ];
1705
1706	ContextModel *pCtxX = m_cCuCtxLastX.get( 0, toChannelType(component) );
1707	ContextModel *pCtxY = m_cCuCtxLastY.get( 0, toChannelType(component) );
1708
1709	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
1710	getLastSignificantContextParameters(component, width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
1711
1712	//------------------
1713
1714	// posX
1715
1716	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxX; uiCtxLast++ )
1717	{
1718	m_pcBinIf->encodeBin( 1, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1719	}
1720	if( uiGroupIdxX < g_uiGroupIdx[ width - 1 ])
1721	{
1722	m_pcBinIf->encodeBin( 0, *( pCtxX + blkSizeOffsetX + (uiCtxLast >>shiftX) ) );
1723	}
1724
1725	// posY
1726
1727	for( uiCtxLast = 0; uiCtxLast < uiGroupIdxY; uiCtxLast++ )
1728	{
1729	m_pcBinIf->encodeBin( 1, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1730	}
1731	if( uiGroupIdxY < g_uiGroupIdx[ height - 1 ])
1732	{
1733	m_pcBinIf->encodeBin( 0, *( pCtxY + blkSizeOffsetY + (uiCtxLast >>shiftY) ) );
1734	}
1735
1736	// EP-coded part
1737
1738	if ( uiGroupIdxX > 3 )
1739	{
1740	UInt uiCount = ( uiGroupIdxX - 2 ) >> 1;
1741	uiPosX = uiPosX - g_uiMinInGroup[ uiGroupIdxX ];
1742	for (Int i = uiCount - 1 ; i >= 0; i-- )
1743	{
1744	m_pcBinIf->encodeBinEP( ( uiPosX >> i ) & 1 );
1745	}
1746	}
1747	if ( uiGroupIdxY > 3 )
1748	{
1749	UInt uiCount = ( uiGroupIdxY - 2 ) >> 1;
1750	uiPosY = uiPosY - g_uiMinInGroup[ uiGroupIdxY ];
1751	for ( Int i = uiCount - 1 ; i >= 0; i-- )
1752	{
1753	m_pcBinIf->encodeBinEP( ( uiPosY >> i ) & 1 );
1754	}
1755	}
1756	}
1757
1758
1759	Void TEncSbac::codeCoeffNxN( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID )
1760	{
1761	TComDataCU* pcCU=rTu.getCU();
1762	const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU(compID);
1763	const TComRectangle &tuRect=rTu.getRect(compID);
1764	const UInt uiWidth=tuRect.width;
1765	const UInt uiHeight=tuRect.height;
1766	const TComSPS &sps=*(pcCU->getSlice()->getSPS());
1767	#if !H_MV_ENC_DEC_TRAC
1768
1769	DTRACE_CABAC_VL( g_nSymbolCounter++ )
1770	DTRACE_CABAC_T( "\tparseCoeffNxN()\teType=" )
1771	DTRACE_CABAC_V( compID )
1772	DTRACE_CABAC_T( "\twidth=" )
1773	DTRACE_CABAC_V( uiWidth )
1774	DTRACE_CABAC_T( "\theight=" )
1775	DTRACE_CABAC_V( uiHeight )
1776	DTRACE_CABAC_T( "\tdepth=" )
1777	// DTRACE_CABAC_V( rTu.GetTransformDepthTotalAdj(compID) )
1778	DTRACE_CABAC_V( rTu.GetTransformDepthTotal() )
1779	DTRACE_CABAC_T( "\tabspartidx=" )
1780	DTRACE_CABAC_V( uiAbsPartIdx )
1781	DTRACE_CABAC_T( "\ttoCU-X=" )
1782	DTRACE_CABAC_V( pcCU->getCUPelX() )
1783	DTRACE_CABAC_T( "\ttoCU-Y=" )
1784	DTRACE_CABAC_V( pcCU->getCUPelY() )
1785	DTRACE_CABAC_T( "\tCU-addr=" )
1786	DTRACE_CABAC_V( pcCU->getCtuRsAddr() )
1787	DTRACE_CABAC_T( "\tinCU-X=" )
1788	// DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1789	DTRACE_CABAC_V( g_auiRasterToPelX[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1790	DTRACE_CABAC_T( "\tinCU-Y=" )
1791	// DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ] )
1792	DTRACE_CABAC_V( g_auiRasterToPelY[ g_auiZscanToRaster[rTu.GetAbsPartIdxTU(compID)] ] )
1793	DTRACE_CABAC_T( "\tpredmode=" )
1794	DTRACE_CABAC_V( pcCU->getPredictionMode( uiAbsPartIdx ) )
1795	DTRACE_CABAC_T( "\n" )
1796	#endif
1797
1798	//--------------------------------------------------------------------------------------------------
1799
1800	if( uiWidth > sps.getMaxTrSize() )
1801	{
1802	std::cerr << "ERROR: codeCoeffNxN was passed a TU with dimensions larger than the maximum allowed size" << std::endl;
1803	assert(false);
1804	exit(1);
1805	}
1806
1807	// compute number of significant coefficients
1808	UInt uiNumSig = TEncEntropy::countNonZeroCoeffs(pcCoef, uiWidth * uiHeight);
1809
1810	if ( uiNumSig == 0 )
1811	{
1812	std::cerr << "ERROR: codeCoeffNxN called for empty TU!" << std::endl;
1813	assert(false);
1814	exit(1);
1815	}
1816
1817	//--------------------------------------------------------------------------------------------------
1818
1819	//set parameters
1820
1821	const ChannelType chType = toChannelType(compID);
1822	const UInt uiLog2BlockWidth = g_aucConvertToBit[ uiWidth ] + 2;
1823	const UInt uiLog2BlockHeight = g_aucConvertToBit[ uiHeight ] + 2;
1824
1825	const ChannelType channelType = toChannelType(compID);
1826	const Bool extendedPrecision = sps.getSpsRangeExtension().getExtendedPrecisionProcessingFlag();
1827
1828	const Bool alignCABACBeforeBypass = sps.getSpsRangeExtension().getCabacBypassAlignmentEnabledFlag();
1829	const Int maxLog2TrDynamicRange = sps.getMaxLog2TrDynamicRange(channelType);
1830
1831	Bool beValid;
1832
1833	{
1834	Int uiIntraMode = -1;
1835	const Bool bIsLuma = isLuma(compID);
1836	Int isIntra = pcCU->isIntra(uiAbsPartIdx) ? 1 : 0;
1837	if ( isIntra )
1838	{
1839	uiIntraMode = pcCU->getIntraDir( toChannelType(compID), uiAbsPartIdx );
1840
1841	const UInt partsPerMinCU = 1<<(2*(sps.getMaxTotalCUDepth() - sps.getLog2DiffMaxMinCodingBlockSize()));
1842	uiIntraMode = (uiIntraMode==DM_CHROMA_IDX && !bIsLuma) ? pcCU->getIntraDir(CHANNEL_TYPE_LUMA, getChromasCorrespondingPULumaIdx(uiAbsPartIdx, rTu.GetChromaFormat(), partsPerMinCU)) : uiIntraMode;
1843	uiIntraMode = ((rTu.GetChromaFormat() == CHROMA_422) && !bIsLuma) ? g_chroma422IntraAngleMappingTable[uiIntraMode] : uiIntraMode;
1844	}
1845
1846	Int transformSkip = pcCU->getTransformSkip( uiAbsPartIdx,compID) ? 1 : 0;
1847	Bool rdpcm_lossy = ( transformSkip && isIntra && ( (uiIntraMode == HOR_IDX) \|\| (uiIntraMode == VER_IDX) ) ) && pcCU->isRDPCMEnabled(uiAbsPartIdx);
1848
1849	if ( (pcCU->getCUTransquantBypass(uiAbsPartIdx)) \|\| rdpcm_lossy )
1850	{
1851	beValid = false;
1852	if ( (!pcCU->isIntra(uiAbsPartIdx)) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1853	{
1854	codeExplicitRdpcmMode( rTu, compID);
1855	}
1856	}
1857	else
1858	{
1859	beValid = pcCU->getSlice()->getPPS()->getSignHideFlag();
1860	}
1861	}
1862
1863	//--------------------------------------------------------------------------------------------------
1864
1865	if(pcCU->getSlice()->getPPS()->getUseTransformSkip())
1866	{
1867	codeTransformSkipFlags(rTu, compID);
1868	if(pcCU->getTransformSkip(uiAbsPartIdx, compID) && !pcCU->isIntra(uiAbsPartIdx) && pcCU->isRDPCMEnabled(uiAbsPartIdx))
1869	{
1870	// This TU has coefficients and is transform skipped. Check whether is inter coded and if yes encode the explicit RDPCM mode
1871	codeExplicitRdpcmMode( rTu, compID);
1872
1873	if(pcCU->getExplicitRdpcmMode(compID, uiAbsPartIdx) != RDPCM_OFF)
1874	{
1875	// Sign data hiding is avoided for horizontal and vertical explicit RDPCM modes
1876	beValid = false;
1877	}
1878	}
1879	}
1880
1881	//--------------------------------------------------------------------------------------------------
1882
1883	const Bool bUseGolombRiceParameterAdaptation = sps.getSpsRangeExtension().getPersistentRiceAdaptationEnabledFlag();
1884	UInt &currentGolombRiceStatistic = m_golombRiceAdaptationStatistics[rTu.getGolombRiceStatisticsIndex(compID)];
1885
1886	//select scans
1887	TUEntropyCodingParameters codingParameters;
1888	getTUEntropyCodingParameters(codingParameters, rTu, compID);
1889
1890	//----- encode significance map -----
1891
1892	// Find position of last coefficient
1893	Int scanPosLast = -1;
1894	Int posLast;
1895
1896
1897	UInt uiSigCoeffGroupFlag[ MLS_GRP_NUM ];
1898
1899	memset( uiSigCoeffGroupFlag, 0, sizeof(UInt) * MLS_GRP_NUM );
1900	do
1901	{
1902	posLast = codingParameters.scan[ ++scanPosLast ];
1903
1904	if( pcCoef[ posLast ] != 0 )
1905	{
1906	// get L1 sig map
1907	UInt uiPosY = posLast >> uiLog2BlockWidth;
1908	UInt uiPosX = posLast - ( uiPosY << uiLog2BlockWidth );
1909
1910	UInt uiBlkIdx = (codingParameters.widthInGroups * (uiPosY >> MLS_CG_LOG2_HEIGHT)) + (uiPosX >> MLS_CG_LOG2_WIDTH);
1911	uiSigCoeffGroupFlag[ uiBlkIdx ] = 1;
1912
1913	uiNumSig--;
1914	}
1915	} while ( uiNumSig > 0 );
1916
1917	// Code position of last coefficient
1918	Int posLastY = posLast >> uiLog2BlockWidth;
1919	Int posLastX = posLast - ( posLastY << uiLog2BlockWidth );
1920	codeLastSignificantXY(posLastX, posLastY, uiWidth, uiHeight, compID, codingParameters.scanType);
1921
1922	//===== code significance flag =====
1923	ContextModel * const baseCoeffGroupCtx = m_cCUSigCoeffGroupSCModel.get( 0, chType );
1924	ContextModel * const baseCtx = m_cCUSigSCModel.get( 0, 0 ) + getSignificanceMapContextOffset(compID);
1925
1926	const Int iLastScanSet = scanPosLast >> MLS_CG_SIZE;
1927
1928	UInt c1 = 1;
1929	UInt uiGoRiceParam = 0;
1930	Int iScanPosSig = scanPosLast;
1931
1932	for( Int iSubSet = iLastScanSet; iSubSet >= 0; iSubSet-- )
1933	{
1934	Int numNonZero = 0;
1935	Int iSubPos = iSubSet << MLS_CG_SIZE;
1936	uiGoRiceParam = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
1937	Bool updateGolombRiceStatistics = bUseGolombRiceParameterAdaptation; //leave the statistics at 0 when not using the adaptation system
1938	UInt coeffSigns = 0;
1939
1940	Int absCoeff[1 << MLS_CG_SIZE];
1941
1942	Int lastNZPosInCG = -1;
1943	Int firstNZPosInCG = 1 << MLS_CG_SIZE;
1944
1945	Bool escapeDataPresentInGroup = false;
1946
1947	if( iScanPosSig == scanPosLast )
1948	{
1949	absCoeff[ 0 ] = Int(abs( pcCoef[ posLast ] ));
1950	coeffSigns = ( pcCoef[ posLast ] < 0 );
1951	numNonZero = 1;
1952	lastNZPosInCG = iScanPosSig;
1953	firstNZPosInCG = iScanPosSig;
1954	iScanPosSig--;
1955	}
1956
1957	// encode significant_coeffgroup_flag
1958	Int iCGBlkPos = codingParameters.scanCG[ iSubSet ];
1959	Int iCGPosY = iCGBlkPos / codingParameters.widthInGroups;
1960	Int iCGPosX = iCGBlkPos - (iCGPosY * codingParameters.widthInGroups);
1961
1962	if( iSubSet == iLastScanSet \|\| iSubSet == 0)
1963	{
1964	uiSigCoeffGroupFlag[ iCGBlkPos ] = 1;
1965	}
1966	else
1967	{
1968	UInt uiSigCoeffGroup = (uiSigCoeffGroupFlag[ iCGBlkPos ] != 0);
1969	UInt uiCtxSig = TComTrQuant::getSigCoeffGroupCtxInc( uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups );
1970	m_pcBinIf->encodeBin( uiSigCoeffGroup, baseCoeffGroupCtx[ uiCtxSig ] );
1971	}
1972
1973	// encode significant_coeff_flag
1974	if( uiSigCoeffGroupFlag[ iCGBlkPos ] )
1975	{
1976	const Int patternSigCtx = TComTrQuant::calcPatternSigCtx(uiSigCoeffGroupFlag, iCGPosX, iCGPosY, codingParameters.widthInGroups, codingParameters.heightInGroups);
1977
1978	UInt uiBlkPos, uiSig, uiCtxSig;
1979	for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
1980	{
1981	uiBlkPos = codingParameters.scan[ iScanPosSig ];
1982	uiSig = (pcCoef[ uiBlkPos ] != 0);
1983	if( iScanPosSig > iSubPos \|\| iSubSet == 0 \|\| numNonZero )
1984	{
1985	uiCtxSig = TComTrQuant::getSigCtxInc( patternSigCtx, codingParameters, iScanPosSig, uiLog2BlockWidth, uiLog2BlockHeight, chType );
1986	m_pcBinIf->encodeBin( uiSig, baseCtx[ uiCtxSig ] );
1987	}
1988	if( uiSig )
1989	{
1990	absCoeff[ numNonZero ] = Int(abs( pcCoef[ uiBlkPos ] ));
1991	coeffSigns = 2 * coeffSigns + ( pcCoef[ uiBlkPos ] < 0 );
1992	numNonZero++;
1993	if( lastNZPosInCG == -1 )
1994	{
1995	lastNZPosInCG = iScanPosSig;
1996	}
1997	firstNZPosInCG = iScanPosSig;
1998	}
1999	}
2000	}
2001	else
2002	{
2003	iScanPosSig = iSubPos - 1;
2004	}
2005
2006	if( numNonZero > 0 )
2007	{
2008	Bool signHidden = ( lastNZPosInCG - firstNZPosInCG >= SBH_THRESHOLD );
2009
2010	const UInt uiCtxSet = getContextSetIndex(compID, iSubSet, (c1 == 0));
2011	c1 = 1;
2012
2013	ContextModel baseCtxMod = m_cCUOneSCModel.get( 0, 0 ) + (NUM_ONE_FLAG_CTX_PER_SET uiCtxSet);
2014
2015	Int numC1Flag = min(numNonZero, C1FLAG_NUMBER);
2016	Int firstC2FlagIdx = -1;
2017	for( Int idx = 0; idx < numC1Flag; idx++ )
2018	{
2019	UInt uiSymbol = absCoeff[ idx ] > 1;
2020	m_pcBinIf->encodeBin( uiSymbol, baseCtxMod[c1] );
2021	if( uiSymbol )
2022	{
2023	c1 = 0;
2024
2025	if (firstC2FlagIdx == -1)
2026	{
2027	firstC2FlagIdx = idx;
2028	}
2029	else //if a greater-than-one has been encountered already this group
2030	{
2031	escapeDataPresentInGroup = true;
2032	}
2033	}
2034	else if( (c1 < 3) && (c1 > 0) )
2035	{
2036	c1++;
2037	}
2038	}
2039
2040	if (c1 == 0)
2041	{
2042	baseCtxMod = m_cCUAbsSCModel.get( 0, 0 ) + (NUM_ABS_FLAG_CTX_PER_SET * uiCtxSet);
2043	if ( firstC2FlagIdx != -1)
2044	{
2045	UInt symbol = absCoeff[ firstC2FlagIdx ] > 2;
2046	m_pcBinIf->encodeBin( symbol, baseCtxMod[0] );
2047	if (symbol != 0)
2048	{
2049	escapeDataPresentInGroup = true;
2050	}
2051	}
2052	}
2053
2054	escapeDataPresentInGroup = escapeDataPresentInGroup \|\| (numNonZero > C1FLAG_NUMBER);
2055
2056	if (escapeDataPresentInGroup && alignCABACBeforeBypass)
2057	{
2058	m_pcBinIf->align();
2059	}
2060
2061	if( beValid && signHidden )
2062	{
2063	m_pcBinIf->encodeBinsEP( (coeffSigns >> 1), numNonZero-1 );
2064	}
2065	else
2066	{
2067	m_pcBinIf->encodeBinsEP( coeffSigns, numNonZero );
2068	}
2069
2070	Int iFirstCoeff2 = 1;
2071	if (escapeDataPresentInGroup)
2072	{
2073	for ( Int idx = 0; idx < numNonZero; idx++ )
2074	{
2075	UInt baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
2076
2077	if( absCoeff[ idx ] >= baseLevel)
2078	{
2079	const UInt escapeCodeValue = absCoeff[idx] - baseLevel;
2080
2081	xWriteCoefRemainExGolomb( escapeCodeValue, uiGoRiceParam, extendedPrecision, maxLog2TrDynamicRange );
2082
2083	if (absCoeff[idx] > (3 << uiGoRiceParam))
2084	{
2085	uiGoRiceParam = bUseGolombRiceParameterAdaptation ? (uiGoRiceParam + 1) : (std::min<UInt>((uiGoRiceParam + 1), 4));
2086	}
2087
2088	if (updateGolombRiceStatistics)
2089	{
2090	const UInt initialGolombRiceParameter = currentGolombRiceStatistic / RExt__GOLOMB_RICE_INCREMENT_DIVISOR;
2091
2092	if (escapeCodeValue >= (3 << initialGolombRiceParameter))
2093	{
2094	currentGolombRiceStatistic++;
2095	}
2096	else if (((escapeCodeValue * 2) < (1 << initialGolombRiceParameter)) && (currentGolombRiceStatistic > 0))
2097	{
2098	currentGolombRiceStatistic--;
2099	}
2100
2101	updateGolombRiceStatistics = false;
2102	}
2103	}
2104
2105	if(absCoeff[ idx ] >= 2)
2106	{
2107	iFirstCoeff2 = 0;
2108	}
2109	}
2110	}
2111	}
2112	}
2113	#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
2114	printSBACCoeffData(posLastX, posLastY, uiWidth, uiHeight, compID, uiAbsPartIdx, codingParameters.scanType, pcCoef, pcCU->getSlice()->getFinalized());
2115	#endif
2116
2117	return;
2118	}
2119
2120	/** code SAO offset sign
2121	* \param code sign value
2122	*/
2123	Void TEncSbac::codeSAOSign( UInt code )
2124	{
2125	m_pcBinIf->encodeBinEP( code );
2126	}
2127
2128	Void TEncSbac::codeSaoMaxUvlc ( UInt code, UInt maxSymbol )
2129	{
2130	if (maxSymbol == 0)
2131	{
2132	return;
2133	}
2134
2135	Int i;
2136	Bool bCodeLast = ( maxSymbol > code );
2137
2138	if ( code == 0 )
2139	{
2140	m_pcBinIf->encodeBinEP( 0 );
2141	}
2142	else
2143	{
2144	m_pcBinIf->encodeBinEP( 1 );
2145	for ( i=0; i<code-1; i++ )
2146	{
2147	m_pcBinIf->encodeBinEP( 1 );
2148	}
2149	if( bCodeLast )
2150	{
2151	m_pcBinIf->encodeBinEP( 0 );
2152	}
2153	}
2154	}
2155
2156	/** Code SAO EO class or BO band position
2157	*/
2158	Void TEncSbac::codeSaoUflc ( UInt uiLength, UInt uiCode )
2159	{
2160	m_pcBinIf->encodeBinsEP ( uiCode, uiLength );
2161	}
2162
2163	/** Code SAO merge flags
2164	*/
2165	Void TEncSbac::codeSaoMerge ( UInt uiCode )
2166	{
2167	m_pcBinIf->encodeBin(((uiCode == 0) ? 0 : 1), m_cSaoMergeSCModel.get( 0, 0, 0 ));
2168	}
2169
2170	/** Code SAO type index
2171	*/
2172	Void TEncSbac::codeSaoTypeIdx ( UInt uiCode)
2173	{
2174	if (uiCode == 0)
2175	{
2176	m_pcBinIf->encodeBin( 0, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2177	}
2178	else
2179	{
2180	m_pcBinIf->encodeBin( 1, m_cSaoTypeIdxSCModel.get( 0, 0, 0 ) );
2181	m_pcBinIf->encodeBinEP( uiCode == 1 ? 0 : 1 );
2182	}
2183	}
2184
2185	Void TEncSbac::codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth)
2186	{
2187	UInt uiSymbol;
2188	if(!sliceEnabled)
2189	{
2190	assert(ctbParam.modeIdc == SAO_MODE_OFF);
2191	return;
2192	}
2193	const Bool bIsFirstCompOfChType = (getFirstComponentOfChannel(toChannelType(compIdx)) == compIdx);
2194
2195	//type
2196	if(bIsFirstCompOfChType)
2197	{
2198	//sao_type_idx_luma or sao_type_idx_chroma
2199	if(ctbParam.modeIdc == SAO_MODE_OFF)
2200	{
2201	uiSymbol =0;
2202	}
2203	else if(ctbParam.typeIdc == SAO_TYPE_BO) //BO
2204	{
2205	uiSymbol = 1;
2206	}
2207	else
2208	{
2209	assert(ctbParam.typeIdc < SAO_TYPE_START_BO); //EO
2210	uiSymbol = 2;
2211	}
2212	codeSaoTypeIdx(uiSymbol);
2213	}
2214
2215	if(ctbParam.modeIdc == SAO_MODE_NEW)
2216	{
2217	Int numClasses = (ctbParam.typeIdc == SAO_TYPE_BO)?4:NUM_SAO_EO_CLASSES;
2218	Int offset[4];
2219	Int k=0;
2220	for(Int i=0; i< numClasses; i++)
2221	{
2222	if(ctbParam.typeIdc != SAO_TYPE_BO && i == SAO_CLASS_EO_PLAIN)
2223	{
2224	continue;
2225	}
2226	Int classIdx = (ctbParam.typeIdc == SAO_TYPE_BO)?( (ctbParam.typeAuxInfo+i)% NUM_SAO_BO_CLASSES ):i;
2227	offset[k] = ctbParam.offset[classIdx];
2228	k++;
2229	}
2230
2231	const Int maxOffsetQVal = TComSampleAdaptiveOffset::getMaxOffsetQVal(channelBitDepth);
2232	for(Int i=0; i< 4; i++)
2233	{
2234	codeSaoMaxUvlc((offset[i]<0)?(-offset[i]):(offset[i]), maxOffsetQVal ); //sao_offset_abs
2235	}
2236
2237
2238	if(ctbParam.typeIdc == SAO_TYPE_BO)
2239	{
2240	for(Int i=0; i< 4; i++)
2241	{
2242	if(offset[i] != 0)
2243	{
2244	codeSAOSign((offset[i]< 0)?1:0);
2245	}
2246	}
2247
2248	codeSaoUflc(NUM_SAO_BO_CLASSES_LOG2, ctbParam.typeAuxInfo ); //sao_band_position
2249	}
2250	else //EO
2251	{
2252	if(bIsFirstCompOfChType)
2253	{
2254	assert(ctbParam.typeIdc - SAO_TYPE_START_EO >=0);
2255	codeSaoUflc(NUM_SAO_EO_TYPES_LOG2, ctbParam.typeIdc - SAO_TYPE_START_EO ); //sao_eo_class_luma or sao_eo_class_chroma
2256	}
2257	}
2258
2259	}
2260	}
2261
2262
2263	Void TEncSbac::codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths
2264	, Bool* sliceEnabled
2265	, Bool leftMergeAvail
2266	, Bool aboveMergeAvail
2267	, Bool onlyEstMergeInfo // = false
2268	)
2269	{
2270
2271	Bool isLeftMerge = false;
2272	Bool isAboveMerge= false;
2273
2274	if(leftMergeAvail)
2275	{
2276	isLeftMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_LEFT));
2277	codeSaoMerge( isLeftMerge?1:0 ); //sao_merge_left_flag
2278	}
2279
2280	if( aboveMergeAvail && !isLeftMerge)
2281	{
2282	isAboveMerge = ((saoBlkParam[COMPONENT_Y].modeIdc == SAO_MODE_MERGE) && (saoBlkParam[COMPONENT_Y].typeIdc == SAO_MERGE_ABOVE));
2283	codeSaoMerge( isAboveMerge?1:0 ); //sao_merge_left_flag
2284	}
2285
2286	if(onlyEstMergeInfo)
2287	{
2288	return; //only for RDO
2289	}
2290
2291	if(!isLeftMerge && !isAboveMerge) //not merge mode
2292	{
2293	for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++)
2294	{
2295	codeSAOOffsetParam(ComponentID(compIdx), saoBlkParam[compIdx], sliceEnabled[compIdx], bitDepths.recon[toChannelType(ComponentID(compIdx))]);
2296	}
2297	}
2298	}
2299
2300	/*!
2301	****************************************************************************
2302	* \brief
2303	* estimate bit cost for CBP, significant map and significant coefficients
2304	****************************************************************************
2305	*/
2306	Void TEncSbac::estBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2307	{
2308	estCBFBit( pcEstBitsSbac );
2309
2310	estSignificantCoeffGroupMapBit( pcEstBitsSbac, chType );
2311
2312	// encode significance map
2313	estSignificantMapBit( pcEstBitsSbac, width, height, chType );
2314
2315	// encode last significant position
2316	estLastSignificantPositionBit( pcEstBitsSbac, width, height, chType );
2317
2318	// encode significant coefficients
2319	estSignificantCoefficientsBit( pcEstBitsSbac, chType );
2320
2321	memcpy(pcEstBitsSbac->golombRiceAdaptationStatistics, m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2322	}
2323
2324	/*!
2325	****************************************************************************
2326	* \brief
2327	* estimate bit cost for each CBP bit
2328	****************************************************************************
2329	*/
2330	Void TEncSbac::estCBFBit( estBitsSbacStruct* pcEstBitsSbac )
2331	{
2332	ContextModel *pCtx = m_cCUQtCbfSCModel.get( 0 );
2333
2334	for( UInt uiCtxInc = 0; uiCtxInc < (NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET); uiCtxInc++ )
2335	{
2336	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2337	pcEstBitsSbac->blockCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2338	}
2339
2340	pCtx = m_cCUQtRootCbfSCModel.get( 0 );
2341
2342	for( UInt uiCtxInc = 0; uiCtxInc < 4; uiCtxInc++ )
2343	{
2344	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 0 ] = pCtx[ uiCtxInc ].getEntropyBits( 0 );
2345	pcEstBitsSbac->blockRootCbpBits[ uiCtxInc ][ 1 ] = pCtx[ uiCtxInc ].getEntropyBits( 1 );
2346	}
2347	}
2348
2349
2350	/*!
2351	****************************************************************************
2352	* \brief
2353	* estimate SAMBAC bit cost for significant coefficient group map
2354	****************************************************************************
2355	*/
2356	Void TEncSbac::estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2357	{
2358	Int firstCtx = 0, numCtx = NUM_SIG_CG_FLAG_CTX;
2359
2360	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2361	{
2362	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2363	{
2364	pcEstBitsSbac->significantCoeffGroupBits[ ctxIdx ][ uiBin ] = m_cCUSigCoeffGroupSCModel.get( 0, chType, ctxIdx ).getEntropyBits( uiBin );
2365	}
2366	}
2367	}
2368
2369
2370	/*!
2371	****************************************************************************
2372	* \brief
2373	* estimate SAMBAC bit cost for significant coefficient map
2374	****************************************************************************
2375	*/
2376	Void TEncSbac::estSignificantMapBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2377	{
2378	//--------------------------------------------------------------------------------------------------
2379
2380	//set up the number of channels and context variables
2381
2382	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2383	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2384
2385	//----------------------------------------------------------
2386
2387	Int firstCtx = MAX_INT;
2388	Int numCtx = MAX_INT;
2389
2390	if ((width == 4) && (height == 4))
2391	{
2392	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_4x4];
2393	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_4x4];
2394	}
2395	else if ((width == 8) && (height == 8))
2396	{
2397	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_8x8];
2398	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_8x8];
2399	}
2400	else
2401	{
2402	firstCtx = significanceMapContextSetStart[chType][CONTEXT_TYPE_NxN];
2403	numCtx = significanceMapContextSetSize [chType][CONTEXT_TYPE_NxN];
2404	}
2405
2406	//--------------------------------------------------------------------------------------------------
2407
2408	//fill the data for the significace map
2409
2410	for (UInt component = firstComponent; component <= lastComponent; component++)
2411	{
2412	const UInt contextOffset = getSignificanceMapContextOffset(ComponentID(component));
2413
2414	if (firstCtx > 0)
2415	{
2416	for( UInt bin = 0; bin < 2; bin++ ) //always get the DC
2417	{
2418	pcEstBitsSbac->significantBits[ contextOffset ][ bin ] = m_cCUSigSCModel.get( 0, 0, contextOffset ).getEntropyBits( bin );
2419	}
2420	}
2421
2422	// This could be made optional, but would require this function to have knowledge of whether the
2423	// TU is transform-skipped or transquant-bypassed and whether the SPS flag is set
2424	for( UInt bin = 0; bin < 2; bin++ )
2425	{
2426	const Int ctxIdx = significanceMapContextSetStart[chType][CONTEXT_TYPE_SINGLE];
2427	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ bin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( bin );
2428	}
2429
2430	for ( Int ctxIdx = firstCtx; ctxIdx < firstCtx + numCtx; ctxIdx++ )
2431	{
2432	for( UInt uiBin = 0; uiBin < 2; uiBin++ )
2433	{
2434	pcEstBitsSbac->significantBits[ contextOffset + ctxIdx ][ uiBin ] = m_cCUSigSCModel.get( 0, 0, (contextOffset + ctxIdx) ).getEntropyBits( uiBin );
2435	}
2436	}
2437	}
2438
2439	//--------------------------------------------------------------------------------------------------
2440	}
2441
2442
2443	/*!
2444	****************************************************************************
2445	* \brief
2446	* estimate bit cost of significant coefficient
2447	****************************************************************************
2448	*/
2449
2450	Void TEncSbac::estLastSignificantPositionBit( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType )
2451	{
2452	//--------------------------------------------------------------------------------------------------.
2453
2454	//set up the number of channels
2455
2456	const UInt firstComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2457	const UInt lastComponent = ((isLuma(chType)) ? (COMPONENT_Y) : (COMPONENT_Cb));
2458
2459	//--------------------------------------------------------------------------------------------------
2460
2461	//fill the data for the last-significant-coefficient position
2462
2463	for (UInt componentIndex = firstComponent; componentIndex <= lastComponent; componentIndex++)
2464	{
2465	const ComponentID component = ComponentID(componentIndex);
2466
2467	Int iBitsX = 0, iBitsY = 0;
2468
2469	Int blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY;
2470	getLastSignificantContextParameters(ComponentID(component), width, height, blkSizeOffsetX, blkSizeOffsetY, shiftX, shiftY);
2471
2472	Int ctx;
2473
2474	const ChannelType channelType = toChannelType(ComponentID(component));
2475
2476	ContextModel *const pCtxX = m_cCuCtxLastX.get( 0, channelType );
2477	ContextModel *const pCtxY = m_cCuCtxLastY.get( 0, channelType );
2478	Int *const lastXBitsArray = pcEstBitsSbac->lastXBits[channelType];
2479	Int *const lastYBitsArray = pcEstBitsSbac->lastYBits[channelType];
2480
2481	//------------------------------------------------
2482
2483	//X-coordinate
2484
2485	for (ctx = 0; ctx < g_uiGroupIdx[ width - 1 ]; ctx++)
2486	{
2487	Int ctxOffset = blkSizeOffsetX + (ctx >>shiftX);
2488	lastXBitsArray[ ctx ] = iBitsX + pCtxX[ ctxOffset ].getEntropyBits( 0 );
2489	iBitsX += pCtxX[ ctxOffset ].getEntropyBits( 1 );
2490	}
2491
2492	lastXBitsArray[ctx] = iBitsX;
2493
2494	//------------------------------------------------
2495
2496	//Y-coordinate
2497
2498	for (ctx = 0; ctx < g_uiGroupIdx[ height - 1 ]; ctx++)
2499	{
2500	Int ctxOffset = blkSizeOffsetY + (ctx >>shiftY);
2501	lastYBitsArray[ ctx ] = iBitsY + pCtxY[ ctxOffset ].getEntropyBits( 0 );
2502	iBitsY += pCtxY[ ctxOffset ].getEntropyBits( 1 );
2503	}
2504
2505	lastYBitsArray[ctx] = iBitsY;
2506
2507	} //end of component loop
2508
2509	//--------------------------------------------------------------------------------------------------
2510	}
2511
2512
2513	/*!
2514	****************************************************************************
2515	* \brief
2516	* estimate bit cost of significant coefficient
2517	****************************************************************************
2518	*/
2519	Void TEncSbac::estSignificantCoefficientsBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType )
2520	{
2521	ContextModel *ctxOne = m_cCUOneSCModel.get(0, 0);
2522	ContextModel *ctxAbs = m_cCUAbsSCModel.get(0, 0);
2523
2524	const UInt oneStartIndex = ((isLuma(chType)) ? (0) : (NUM_ONE_FLAG_CTX_LUMA));
2525	const UInt oneStopIndex = ((isLuma(chType)) ? (NUM_ONE_FLAG_CTX_LUMA) : (NUM_ONE_FLAG_CTX));
2526	const UInt absStartIndex = ((isLuma(chType)) ? (0) : (NUM_ABS_FLAG_CTX_LUMA));
2527	const UInt absStopIndex = ((isLuma(chType)) ? (NUM_ABS_FLAG_CTX_LUMA) : (NUM_ABS_FLAG_CTX));
2528
2529	for (Int ctxIdx = oneStartIndex; ctxIdx < oneStopIndex; ctxIdx++)
2530	{
2531	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 0 ] = ctxOne[ ctxIdx ].getEntropyBits( 0 );
2532	pcEstBitsSbac->m_greaterOneBits[ ctxIdx ][ 1 ] = ctxOne[ ctxIdx ].getEntropyBits( 1 );
2533	}
2534
2535	for (Int ctxIdx = absStartIndex; ctxIdx < absStopIndex; ctxIdx++)
2536	{
2537	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 0 ] = ctxAbs[ ctxIdx ].getEntropyBits( 0 );
2538	pcEstBitsSbac->m_levelAbsBits[ ctxIdx ][ 1 ] = ctxAbs[ ctxIdx ].getEntropyBits( 1 );
2539	}
2540	}
2541
2542	/**
2543	- Initialize our context information from the nominated source.
2544	.
2545	\param pSrc From where to copy context information.
2546	*/
2547	Void TEncSbac::xCopyContextsFrom( const TEncSbac* pSrc )
2548	{
2549	memcpy(m_contextModels, pSrc->m_contextModels, m_numContextModels*sizeof(m_contextModels[0]));
2550	memcpy(m_golombRiceAdaptationStatistics, pSrc->m_golombRiceAdaptationStatistics, (sizeof(UInt) * RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS));
2551	}
2552
2553	Void TEncSbac::loadContexts ( const TEncSbac* pSrc)
2554	{
2555	xCopyContextsFrom(pSrc);
2556	}
2557
2558	/** Performs CABAC encoding of the explicit RDPCM mode
2559	* \param rTu current TU data structure
2560	* \param compID component identifier
2561	*/
2562	Void TEncSbac::codeExplicitRdpcmMode( TComTU &rTu, const ComponentID compID )
2563	{
2564	TComDataCU *cu = rTu.getCU();
2565	const TComRectangle &rect = rTu.getRect(compID);
2566	const UInt absPartIdx = rTu.GetAbsPartIdxTU(compID);
2567	const UInt tuHeight = g_aucConvertToBit[rect.height];
2568	const UInt tuWidth = g_aucConvertToBit[rect.width];
2569
2570	assert(tuHeight == tuWidth);
2571	assert(tuHeight < 4);
2572
2573	UInt explicitRdpcmMode = cu->getExplicitRdpcmMode(compID, absPartIdx);
2574
2575	if( explicitRdpcmMode == RDPCM_OFF )
2576	{
2577	m_pcBinIf->encodeBin (0, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2578	}
2579	else if( explicitRdpcmMode == RDPCM_HOR \|\| explicitRdpcmMode == RDPCM_VER )
2580	{
2581	m_pcBinIf->encodeBin (1, m_explicitRdpcmFlagSCModel.get (0, toChannelType(compID), 0));
2582	if(explicitRdpcmMode == RDPCM_HOR)
2583	{
2584	m_pcBinIf->encodeBin ( 0, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2585	}
2586	else
2587	{
2588	m_pcBinIf->encodeBin ( 1, m_explicitRdpcmDirSCModel.get(0, toChannelType(compID), 0));
2589	}
2590	}
2591	else
2592	{
2593	assert(0);
2594	}
2595	}
2596
2597	#if H_3D_INTER_SDC
2598	Void TEncSbac::codeDeltaDC( TComDataCU* pcCU, UInt absPartIdx )
2599	{
2600	if( !( pcCU->getSDCFlag( absPartIdx ) \|\| ( pcCU->isIntra( absPartIdx ) && getDimType( pcCU->getLumaIntraDir( absPartIdx ) ) < DIM_NUM_TYPE ) ) )
2601	{
2602	assert( 0 );
2603	}
2604
2605	UInt uiNumSegments = isDimMode( pcCU->getLumaIntraDir( absPartIdx ) ) ? 2 : 1;
2606	UInt dimDeltaDC = 1;
2607
2608	if( pcCU->isIntra( absPartIdx ) && pcCU->getSDCFlag( absPartIdx ))
2609	{
2610	if( uiNumSegments == 1 )
2611	{
2612	dimDeltaDC = pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) ? 1 : 0;
2613	}
2614	else
2615	{
2616	dimDeltaDC = ( pcCU->getSDCSegmentDCOffset( 0, absPartIdx ) \|\| pcCU->getSDCSegmentDCOffset( 1, absPartIdx ) ) ? 1 : 0;
2617	}
2618	m_pcBinIf->encodeBin( dimDeltaDC, m_cDdcFlagSCModel.get( 0, 0, 0 ) );
2619	}
2620
2621	if( dimDeltaDC )
2622	{
2623	for( UInt segment = 0; segment < uiNumSegments; segment++ )
2624	{
2625	Pel deltaDC = 0;
2626
2627	if( pcCU->isIntra( absPartIdx ) )
2628	{
2629	UInt dir = pcCU->getLumaIntraDir( absPartIdx );
2630	deltaDC = pcCU->getSDCFlag( absPartIdx ) ? pcCU->getSDCSegmentDCOffset( segment, absPartIdx ) : pcCU->getDimDeltaDC( getDimType( dir ), segment, absPartIdx );
2631	}
2632	else
2633	{
2634	deltaDC = pcCU->getSDCSegmentDCOffset( segment, absPartIdx );
2635	}
2636
2637	xCodeDimDeltaDC( deltaDC, uiNumSegments );
2638	}
2639	}
2640	}
2641
2642	Void TEncSbac::codeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2643	{
2644	UInt uiSymbol = pcCU->getSDCFlag( uiAbsPartIdx ) ? 1 : 0;
2645	UInt uiCtxSDCFlag = pcCU->getCtxSDCFlag( uiAbsPartIdx );
2646	DTRACE_CU("dc_only_flag", uiSymbol)
2647	m_pcBinIf->encodeBin( uiSymbol, m_cSDCFlagSCModel.get( 0, 0, uiCtxSDCFlag ) );
2648	}
2649
2650	#endif
2651
2652	#if H_3D_DBBP
2653	Void TEncSbac::codeDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
2654	{
2655	PartSize ePartSize = pcCU->getPartitionSize( uiAbsPartIdx );
2656	AOF( ePartSize == SIZE_2NxN \|\| ePartSize == SIZE_Nx2N );
2657	AOF( pcCU->getSlice()->getDepthBasedBlkPartFlag() );
2658	AOF( !pcCU->getSlice()->getIsDepth() );
2659
2660	UInt uiSymbol = pcCU->getDBBPFlag( uiAbsPartIdx ) ? 1 : 0;
2661	m_pcBinIf->encodeBin( uiSymbol, m_cDBBPFlagSCModel.get( 0, 0, 0 ) );
2662	DTRACE_CU("dbbp_flag", uiSymbol)
2663	}
2664	#endif
2665
2666	//! \}

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source: 3DVCSoftware/branches/HTM-14.1-update-dev4-RWTH/source/Lib/TLibEncoder/TEncSbac.cpp @ 1220

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